;;- Machine description for ARM for GNU compiler ;; Copyright 1991, 1993, 1994, 1995, 1996, 1996, 1997, 1998, 1999, 2000, 2001 ;; Free Software Foundation, Inc. ;; Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl) ;; and Martin Simmons (@harleqn.co.uk). ;; More major hacks by Richard Earnshaw (rearnsha@arm.com).
;; This file is part of GNU CC.
;; GNU CC is free software; you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 2, or (at your option) ;; any later version.
;; GNU CC is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License ;; along with GNU CC; see the file COPYING. If not, write to ;; the Free Software Foundation, 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA.
;;- See file “rtl.def” for documentation on define_insn, match_*, et. al.
;; There are patterns in this file to support XFmode arithmetic. ;; Unfortunately RISC iX doesn't work well with these so they are disabled. ;; (See arm.h) ;;--------------------------------------------------------------------------- ;; Constants
;; Register numbers (define_constants [(IP_REGNUM 12) ; Scratch register (SP_REGNUM 13) ; Stack pointer (LR_REGNUM 14) ; Return address register (PC_REGNUM 15) ; Program counter (CC_REGNUM 24) ; Condition code pseudo register (LAST_ARM_REGNUM 15) ] )
;; UNSPEC Usage: ;; Note: sin and cos are no-longer used.
(define_constants [(UNSPEC_SIN 0) ; sin' operation (MODE_FLOAT): ; operand 0 is the result, ; operand 1 the parameter. (UNPSEC_COS 1) ; cos' operation (MODE_FLOAT): ; operand 0 is the result, ; operand 1 the parameter. (UNSPEC_PUSH_MULT 2) ; push multiple' operation: ; operand 0 is the first register, ; subsequent registers are in parallel (use ...) ; expressions. (UNSPEC_PIC_SYM 3) ; A symbol that has been treated properly for pic ; usage, that is, we will add the pic_register ; value to it before trying to dereference it. (UNSPEC_PRLG_STK 4) ; A special barrier that prevents frame accesses ; being scheduled before the stack adjustment insn. (UNSPEC_CLZ 5) ; clz' instruction, count leading zeros (SImode): ; operand 0 is the result, ; operand 1 is the parameter. ] )
;; UNSPEC_VOLATILE Usage:
(define_constants [(VUNSPEC_BLOCKAGE 0) ; blockage' insn to prevent scheduling across an ; insn in the code. (VUNSPEC_EPILOGUE 1) ; epilogue' insn, used to represent any part of the ; instruction epilogue sequence that isn‘t expanded ; into normal RTL. Used for both normal and sibcall ; epilogues. (VUNSPEC_ALIGN 2) ; align' insn. Used at the head of a minipool table ; for inlined constants. (VUNSPEC_POOL_END 3) ; end-of-table’. Used to mark the end of a minipool ; table. (VUNSPEC_POOL_1 4) ; pool-entry(1)'. An entry in the constant pool for ; an 8-bit object. (VUNSPEC_POOL_2 5) ; pool-entry(2)‘. An entry in the constant pool for ; a 16-bit object. (VUNSPEC_POOL_4 6) ; pool-entry(4)'. An entry in the constant pool for ; a 32-bit object. (VUNSPEC_POOL_8 7) ; pool-entry(8)’. An entry in the constant pool for ; a 64-bit object. ] ) ;;--------------------------------------------------------------------------- ;; Attributes
; IS_THUMB is set to ‘yes’ when we are generating Thumb code, and ‘no’ when ; generating ARM code. This is used to control the length of some insn ; patterns that share the same RTL in both ARM and Thumb code. (define_attr “is_thumb” “no,yes” (const (symbol_ref “thumb_code”)))
; PROG_MODE attribute is used to determine whether condition codes are ; clobbered by a call insn: they are if in prog32 mode. This is controlled ; by the -mapcs-{32,26} flag, and possibly the -mcpu=... option. (define_attr “prog_mode” “prog26,prog32” (const (symbol_ref “arm_prog_mode”)))
; IS_STRONGARM is set to ‘yes’ when compiling for StrongARM, it affects ; scheduling decisions for the load unit and the multiplier. (define_attr “is_strongarm” “no,yes” (const (symbol_ref “arm_is_strong”)))
;; Operand number of an input operand that is shifted. Zero if the ;; given instruction does not shift one of its input operands. (define_attr “is_xscale” “no,yes” (const (symbol_ref “arm_is_xscale”))) (define_attr “shift” "" (const_int 0))
; Floating Point Unit. If we only have floating point emulation, then there ; is no point in scheduling the floating point insns. (Well, for best ; performance we should try and group them together). (define_attr “fpu” “fpa,fpe2,fpe3” (const (symbol_ref “arm_fpu_attr”)))
; LENGTH of an instruction (in bytes) (define_attr “length” "" (const_int 4))
; POOL_RANGE is how far away from a constant pool entry that this insn ; can be placed. If the distance is zero, then this insn will never ; reference the pool. ; NEG_POOL_RANGE is nonzero for insns that can reference a constant pool entry ; before its address. (define_attr “pool_range” "" (const_int 0)) (define_attr “neg_pool_range” "" (const_int 0))
; An assembler sequence may clobber the condition codes without us knowing. (define_asm_attributes [(set_attr “conds” “clob”)])
; TYPE attribute is used to detect floating point instructions which, if ; running on a co-processor can run in parallel with other, basic instructions ; If write-buffer scheduling is enabled then it can also be used in the ; scheduling of writes.
; Classification of each insn ; normal any data instruction that doesn't hit memory or fp regs ; mult a multiply instruction ; block blockage insn, this blocks all functional units ; float a floating point arithmetic operation (subject to expansion) ; fdivx XFmode floating point division ; fdivd DFmode floating point division ; fdivs SFmode floating point division ; fmul Floating point multiply ; ffmul Fast floating point multiply ; farith Floating point arithmetic (4 cycle) ; ffarith Fast floating point arithmetic (2 cycle) ; float_em a floating point arithmetic operation that is normally emulated ; even on a machine with an fpa. ; f_load a floating point load from memory ; f_store a floating point store to memory ; f_mem_r a transfer of a floating point register to a real reg via mem ; r_mem_f the reverse of f_mem_r ; f_2_r fast transfer float to arm (no memory needed) ; r_2_f fast transfer arm to float ; call a subroutine call ; load any load from memory ; store1 store 1 word to memory from arm registers ; store2 store 2 words ; store3 store 3 words ; store4 store 4 words ; (define_attr “type” “normal,mult,block,float,fdivx,fdivd,fdivs,fmul,ffmul,farith,ffarith,float_em,f_load,f_store,f_mem_r,r_mem_f,f_2_r,r_2_f,call,load,store1,store2,store3,store4” (const_string “normal”))
; Load scheduling, set from the arm_ld_sched variable ; initialised by arm_override_options() (define_attr “ldsched” “no,yes” (const (symbol_ref “arm_ld_sched”)))
; condition codes: this one is used by final_prescan_insn to speed up ; conditionalizing instructions. It saves having to scan the rtl to see if ; it uses or alters the condition codes. ; ; USE means that the condition codes are used by the insn in the process of ; outputting code, this means (at present) that we can't use the insn in ; inlined branches ; ; SET means that the purpose of the insn is to set the condition codes in a ; well defined manner. ; ; CLOB means that the condition codes are altered in an undefined manner, if ; they are altered at all ; ; JUMP_CLOB is used when the condition cannot be represented by a single ; instruction (UNEQ and LTGT). These cannot be predicated. ; ; NOCOND means that the condition codes are neither altered nor affect the ; output of this insn
(define_attr “conds” “use,set,clob,jump_clob,nocond” (if_then_else (eq_attr “type” “call”) (if_then_else (eq_attr “prog_mode” “prog32”) (const_string “clob”) (const_string “nocond”)) (const_string “nocond”)))
; Predicable means that the insn can be conditionally executed based on ; an automatically added predicate (additional patterns are generated by ; gen...). We default to ‘no’ because no Thumb patterns match this rule ; and not all ARM patterns do. (define_attr “predicable” “no,yes” (const_string “no”))
; Only model the write buffer for ARM6 and ARM7. Earlier processors don‘t ; have one. Later ones, such as StrongARM, have write-back caches, so don’t ; suffer blockages enough to warrent modelling this (and it can adversely ; affect the schedule). (define_attr “model_wbuf” “no,yes” (const (symbol_ref “arm_is_6_or_7”)))
; WRITE_CONFLICT implies that a read following an unrelated write is likely ; to stall the processor. Used with model_wbuf above. (define_attr “write_conflict” “no,yes” (if_then_else (eq_attr “type” “block,float_em,f_load,f_store,f_mem_r,r_mem_f,call,load”) (const_string “yes”) (const_string “no”)))
; Classify the insns into those that take one cycle and those that take more ; than one on the main cpu execution unit. (define_attr “core_cycles” “single,multi” (if_then_else (eq_attr “type” “normal,float,fdivx,fdivd,fdivs,fmul,ffmul,farith,ffarith”) (const_string “single”) (const_string “multi”)))
;; FAR_JUMP is “yes” if a BL instruction is used to generate a branch to a ;; distant label. Only applicable to Thumb code. (define_attr “far_jump” “yes,no” (const_string “no”))
;; (define_function_unit {name} {num-units} {n-users} {test} ;; {ready-delay} {issue-delay} [{conflict-list}])
;;-------------------------------------------------------------------- ;; Floating point unit (FPA) ;;-------------------------------------------------------------------- (define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “fdivx”)) 71 69)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “fdivd”)) 59 57)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “fdivs”)) 31 29)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “fmul”)) 9 7)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “ffmul”)) 6 4)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “farith”)) 4 2)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “ffarith”)) 2 2)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “r_2_f”)) 5 3)
(define_function_unit “fpa” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “f_2_r”)) 1 2)
; The fpa10 doesn't really have a memory read unit, but it can start to ; speculatively execute the instruction in the pipeline, provided the data ; is already loaded, so pretend reads have a delay of 2 (and that the ; pipeline is infinite).
(define_function_unit “fpa_mem” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “f_load”)) 3 1)
;;-------------------------------------------------------------------- ;; Write buffer ;;-------------------------------------------------------------------- ; Strictly, we should model a 4-deep write buffer for ARM7xx based chips ; ; The write buffer on some of the arm6 processors is hard to model exactly. ; There is room in the buffer for up to two addresses and up to eight words ; of memory, but the two needn‘t be split evenly. When writing the two ; addresses are fully pipelined. However, a read from memory that is not ; currently in the cache will block until the writes have completed. ; It is normally the case that FCLK and MCLK will be in the ratio 2:1, so ; writes will take 2 FCLK cycles per word, if FCLK and MCLK are asynchronous ; (they aren’t allowed to be at present) then there is a startup cost of 1MCLK ; cycle to add as well.
(define_function_unit “write_buf” 1 2 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store1,r_mem_f”)) 5 3) (define_function_unit “write_buf” 1 2 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store2”)) 7 4) (define_function_unit “write_buf” 1 2 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store3”)) 9 5) (define_function_unit “write_buf” 1 2 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store4”)) 11 6)
;;-------------------------------------------------------------------- ;; Write blockage unit ;;-------------------------------------------------------------------- ; The write_blockage unit models (partially), the fact that reads will stall ; until the write buffer empties. ; The f_mem_r and r_mem_f could also block, but they are to the stack, ; so we don't model them here (define_function_unit “write_blockage” 1 0 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store1”)) 5 5 [(eq_attr “write_conflict” “yes”)]) (define_function_unit “write_blockage” 1 0 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store2”)) 7 7 [(eq_attr “write_conflict” “yes”)]) (define_function_unit “write_blockage” 1 0 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store3”)) 9 9 [(eq_attr “write_conflict” “yes”)]) (define_function_unit “write_blockage” 1 0 (and (eq_attr “model_wbuf” “yes”) (eq_attr “type” “store4”)) 11 11 [(eq_attr “write_conflict” “yes”)]) (define_function_unit “write_blockage” 1 0 (and (eq_attr “model_wbuf” “yes”) (eq_attr “write_conflict” “yes”)) 1 1)
;;-------------------------------------------------------------------- ;; Core unit ;;-------------------------------------------------------------------- ; Everything must spend at least one cycle in the core unit (define_function_unit “core” 1 0 (eq_attr “core_cycles” “single”) 1 1)
(define_function_unit “core” 1 0 (and (eq_attr “ldsched” “yes”) (eq_attr “type” “store1”)) 1 1)
(define_function_unit “core” 1 0 (and (eq_attr “ldsched” “yes”) (eq_attr “type” “load”)) 2 1)
;; We do not need to conditionalize the define_function_unit immediately ;; above. This one will be ignored for anything other than xscale ;; compiles and for xscale compiles it provides a larger delay ;; and the scheduler will DTRT. ;; FIXME: this test needs to be revamped to not depend on this feature ;; of the scheduler.
(define_function_unit “core” 1 0 (and (and (eq_attr “ldsched” “yes”) (eq_attr “type” “load”)) (eq_attr “is_xscale” “yes”)) 3 1)
(define_function_unit “core” 1 0 (and (eq_attr “ldsched” “!yes”) (eq_attr “type” “load,store1”)) 2 2)
(define_function_unit “core” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “f_load”)) 3 3)
(define_function_unit “core” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “f_store”)) 4 4)
(define_function_unit “core” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “r_mem_f”)) 6 6)
(define_function_unit “core” 1 0 (and (eq_attr “fpu” “fpa”) (eq_attr “type” “f_mem_r”)) 7 7)
(define_function_unit “core” 1 0 (and (eq_attr “ldsched” “no”) (eq_attr “type” “mult”)) 16 16)
(define_function_unit “core” 1 0 (and (and (eq_attr “ldsched” “yes”) (eq_attr “is_strongarm” “no”)) (eq_attr “type” “mult”)) 4 4)
(define_function_unit “core” 1 0 (and (and (eq_attr “ldsched” “yes”) (eq_attr “is_strongarm” “yes”)) (eq_attr “type” “mult”)) 3 2)
(define_function_unit “core” 1 0 (eq_attr “type” “store2”) 3 3)
(define_function_unit “core” 1 0 (eq_attr “type” “store3”) 4 4)
(define_function_unit “core” 1 0 (eq_attr “type” “store4”) 5 5)
(define_function_unit “core” 1 0 (and (eq_attr “core_cycles” “multi”) (eq_attr “type” “!mult,load,store1,store2,store3,store4”)) 32 32) ;;--------------------------------------------------------------------------- ;; Insn patterns ;; ;; Addition insns.
;; Note: For DImode insns, there is normally no reason why operands should ;; not be in the same register, what we don't want is for something being ;; written to partially overlap something that is an input.
(define_expand “adddi3” [(parallel [(set (match_operand:DI 0 “s_register_operand” "") (plus:DI (match_operand:DI 1 “s_register_operand” "") (match_operand:DI 2 “s_register_operand” ""))) (clobber (reg:CC CC_REGNUM))])] “TARGET_EITHER” " if (TARGET_THUMB) { if (GET_CODE (operands[1]) != REG) operands[1] = force_reg (SImode, operands[1]); if (GET_CODE (operands[2]) != REG) operands[2] = force_reg (SImode, operands[2]); } " )
(define_insn “*thumb_adddi3” [(set (match_operand:DI 0 “register_operand” “=l”) (plus:DI (match_operand:DI 1 “register_operand” “%0”) (match_operand:DI 2 “register_operand” “l”))) (clobber (reg:CC CC_REGNUM)) ] “TARGET_THUMB” “add\t%Q0, %Q0, %Q2;adc\t%R0, %R0, %R2” [(set_attr “length” “4”)] )
(define_insn_and_split “*arm_adddi3” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (plus:DI (match_operand:DI 1 “s_register_operand” “%0, 0”) (match_operand:DI 2 “s_register_operand” “r, 0”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” “TARGET_ARM && reload_completed” [(parallel [(set (reg:CC_C CC_REGNUM) (compare:CC_C (plus:SI (match_dup 1) (match_dup 2)) (match_dup 1))) (set (match_dup 0) (plus:SI (match_dup 1) (match_dup 2)))]) (set (match_dup 3) (plus:SI (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0)) (plus:SI (match_dup 4) (match_dup 5))))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[5] = gen_highpart (SImode, operands[2]); operands[2] = gen_lowpart (SImode, operands[2]); }" [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn_and_split “*adddi_sesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (plus:DI (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “r,0”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” “TARGET_ARM && reload_completed” [(parallel [(set (reg:CC_C CC_REGNUM) (compare:CC_C (plus:SI (match_dup 1) (match_dup 2)) (match_dup 1))) (set (match_dup 0) (plus:SI (match_dup 1) (match_dup 2)))]) (set (match_dup 3) (plus:SI (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0)) (plus:SI (ashiftrt:SI (match_dup 2) (const_int 31)) (match_dup 4))))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[2] = gen_lowpart (SImode, operands[2]); }" [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn_and_split “*adddi_zesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (plus:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “r,0”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” “TARGET_ARM && reload_completed” [(parallel [(set (reg:CC_C CC_REGNUM) (compare:CC_C (plus:SI (match_dup 1) (match_dup 2)) (match_dup 1))) (set (match_dup 0) (plus:SI (match_dup 1) (match_dup 2)))]) (set (match_dup 3) (plus:SI (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0)) (plus:SI (match_dup 4) (const_int 0))))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[2] = gen_lowpart (SImode, operands[2]); }" [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_expand “addsi3” [(set (match_operand:SI 0 “s_register_operand” "") (plus:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “reg_or_int_operand” "")))] “TARGET_EITHER” " if (TARGET_ARM && GET_CODE (operands[2]) == CONST_INT) { arm_split_constant (PLUS, SImode, INTVAL (operands[2]), operands[0], operands[1], (no_new_pseudos ? 0 : preserve_subexpressions_p ())); DONE; } " )
; If there is a scratch available, this will be faster than synthesising the ; addition. (define_peephole2 [(match_scratch:SI 3 “r”) (set (match_operand:SI 0 “s_register_operand” "") (plus:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “const_int_operand” "")))] “TARGET_ARM && !(const_ok_for_arm (INTVAL (operands[2])) || const_ok_for_arm (-INTVAL (operands[2]))) && const_ok_for_arm (~INTVAL (operands[2]))” [(set (match_dup 3) (match_dup 2)) (set (match_dup 0) (plus:SI (match_dup 1) (match_dup 3)))] "" )
(define_insn_and_split “*arm_addsi3” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (plus:SI (match_operand:SI 1 “s_register_operand” “%r,r,r”) (match_operand:SI 2 “reg_or_int_operand” “rI,L,?n”)))] “TARGET_ARM” “@ add%?\t%0, %1, %2 sub%?\t%0, %1, #%n2 #” “TARGET_ARM && GET_CODE (operands[2]) == CONST_INT && !(const_ok_for_arm (INTVAL (operands[2])) || const_ok_for_arm (-INTVAL (operands[2])))” [(clobber (const_int 0))] " arm_split_constant (PLUS, SImode, INTVAL (operands[2]), operands[0], operands[1], 0); DONE; " [(set_attr “length” “4,4,16”) (set_attr “predicable” “yes”)] )
;; Register group ‘k’ is a single register group containing only the stack ;; register. Trying to reload it will always fail catastrophically, ;; so never allow those alternatives to match if reloading is needed.
(define_insn “*thumb_addsi3” [(set (match_operand:SI 0 “register_operand” “=l,l,l,*r,*h,l,!k”) (plus:SI (match_operand:SI 1 “register_operand” “%0,0,l,*0,*0,!k,!k”) (match_operand:SI 2 “nonmemory_operand” “I,J,lL,*h,*r,!M,!O”)))] “TARGET_THUMB” "* static const char * const asms[] = { "add\t%0, %0, %2", "sub\t%0, %0, #%n2", "add\t%0, %1, %2", "add\t%0, %0, %2", "add\t%0, %0, %2", "add\t%0, %1, %2", "add\t%0, %1, %2" }; if ((which_alternative == 2 || which_alternative == 6) && GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) < 0) return "sub\t%0, %1, #%n2"; return asms[which_alternative]; " [(set_attr “length” “2”)] )
;; Reloading and elimination of the frame pointer can ;; sometimes cause this optimization to be missed. (define_peephole2 [(set (match_operand:SI 0 “register_operand” “=l”) (match_operand:SI 1 “const_int_operand” “M”)) (set (match_dup 0) (plus:SI (match_dup 0) (match_operand:SI 2 “register_operand” “k”)))] “TARGET_THUMB && REGNO (operands[2]) == STACK_POINTER_REGNUM && (unsigned HOST_WIDE_INT) (INTVAL (operands[1])) < 1024 && (INTVAL (operands[1]) & 3) == 0” [(set (match_dup 0) (plus:SI (match_dup 2) (match_dup 1)))] "" )
(define_insn “*addsi3_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (match_operand:SI 1 “s_register_operand” “r, r”) (match_operand:SI 2 “arm_add_operand” “rI,L”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r,r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “@ add%?s\t%0, %1, %2 sub%?s\t%0, %1, #%n2” [(set_attr “conds” “set”)] )
(define_insn “*addsi3_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (match_operand:SI 0 “s_register_operand” “r, r”) (match_operand:SI 1 “arm_add_operand” “rI,L”)) (const_int 0)))] “TARGET_ARM” “@ cmn%?\t%0, %1 cmp%?\t%0, #%n1” [(set_attr “conds” “set”)] )
;; These patterns are the same ones as the two regular addsi3_compare0 ;; patterns, except we write them slightly different - the combiner ;; tends to generate them this way. (define_insn “*addsi3_compare0_for_combiner” [(set (reg:CC CC_REGNUM) (compare:CC (match_operand:SI 1 “s_register_operand” “r,r”) (neg:SI (match_operand:SI 2 “arm_add_operand” “rI,L”)))) (set (match_operand:SI 0 “s_register_operand” “=r,r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “@ add%?s\t%0, %1, %2 sub%?s\t%0, %1, #%n2” [(set_attr “conds” “set”)] )
(define_insn “*addsi3_compare0_scratch_for_combiner” [(set (reg:CC CC_REGNUM) (compare:CC (match_operand:SI 0 “s_register_operand” “r,r”) (neg:SI (match_operand:SI 1 “arm_add_operand” “rI,L”))))] “TARGET_ARM” “@ cmn%?\t%0, %1 cmp%?\t%0, #%n1” [(set_attr “conds” “set”)] )
;; The next four insns work because they compare the result with one of ;; the operands, and we know that the use of the condition code is ;; either GEU or LTU, so we can use the carry flag from the addition ;; instead of doing the compare a second time. (define_insn “*addsi3_compare_op1” [(set (reg:CC_C CC_REGNUM) (compare:CC_C (plus:SI (match_operand:SI 1 “s_register_operand” “r,r”) (match_operand:SI 2 “arm_add_operand” “rI,L”)) (match_dup 1))) (set (match_operand:SI 0 “s_register_operand” “=r,r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “@ add%?s\t%0, %1, %2 sub%?s\t%0, %1, #%n2” [(set_attr “conds” “set”)] )
(define_insn “*addsi3_compare_op2” [(set (reg:CC_C CC_REGNUM) (compare:CC_C (plus:SI (match_operand:SI 1 “s_register_operand” “r,r”) (match_operand:SI 2 “arm_add_operand” “rI,L”)) (match_dup 2))) (set (match_operand:SI 0 “s_register_operand” “=r,r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “@ add%?s\t%0, %1, %2 sub%?s\t%0, %1, #%n2” [(set_attr “conds” “set”)] )
(define_insn “*compare_addsi2_op0” [(set (reg:CC_C CC_REGNUM) (compare:CC_C (plus:SI (match_operand:SI 0 “s_register_operand” “r,r”) (match_operand:SI 1 “arm_add_operand” “rI,L”)) (match_dup 0)))] “TARGET_ARM” “@ cmn%?\t%0, %1 cmp%?\t%0, #%n1” [(set_attr “conds” “set”)] )
(define_insn “*compare_addsi2_op1” [(set (reg:CC_C CC_REGNUM) (compare:CC_C (plus:SI (match_operand:SI 0 “s_register_operand” “r,r”) (match_operand:SI 1 “arm_add_operand” “rI,L”)) (match_dup 1)))] “TARGET_ARM” “@ cmn%?\t%0, %1 cmp%?\t%0, #%n1” [(set_attr “conds” “set”)] )
(define_insn “*addsi3_carryin” [(set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0)) (plus:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rI”))))] “TARGET_ARM” “adc%?\t%0, %1, %2” [(set_attr “conds” “use”)] )
(define_insn “*addsi3_carryin_shift” [(set (match_operand:SI 0 “s_register_operand” "") (plus:SI (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0)) (plus:SI (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” "") (match_operand:SI 4 “reg_or_int_operand” "")]) (match_operand:SI 1 “s_register_operand” ""))))] “TARGET_ARM” “adc%?\t%0, %1, %3%S2” [(set_attr “conds” “use”)] )
(define_insn “*addsi3_carryin_alt1” [(set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (plus:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)) (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0))))] “TARGET_ARM” “adc%?\t%0, %1, %2” [(set_attr “conds” “use”)] )
(define_insn “*addsi3_carryin_alt2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (plus:SI (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0)) (match_operand:SI 1 “s_register_operand” “r”)) (match_operand:SI 2 “arm_rhs_operand” “rI”)))] “TARGET_ARM” “adc%?\t%0, %1, %2” [(set_attr “conds” “use”)] )
(define_insn “*addsi3_carryin_alt3” [(set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (plus:SI (ltu:SI (reg:CC_C CC_REGNUM) (const_int 0)) (match_operand:SI 2 “arm_rhs_operand” “rI”)) (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM” “adc%?\t%0, %1, %2” [(set_attr “conds” “use”)] )
(define_insn “incscc” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (plus:SI (match_operator:SI 2 “arm_comparison_operator” [(match_operand:CC 3 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “s_register_operand” “0,?r”)))] “TARGET_ARM” “@ add%d2\t%0, %1, #1 mov%D2\t%0, %1;add%d2\t%0, %1, #1” [(set_attr “conds” “use”) (set_attr “length” “4,8”)] )
(define_insn “addsf3” [(set (match_operand:SF 0 “s_register_operand” “=f,f”) (plus:SF (match_operand:SF 1 “s_register_operand” “%f,f”) (match_operand:SF 2 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ adf%?s\t%0, %1, %2 suf%?s\t%0, %1, #%N2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “adddf3” [(set (match_operand:DF 0 “s_register_operand” “=f,f”) (plus:DF (match_operand:DF 1 “s_register_operand” “%f,f”) (match_operand:DF 2 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ adf%?d\t%0, %1, %2 suf%?d\t%0, %1, #%N2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “*adddf_esfdf_df” [(set (match_operand:DF 0 “s_register_operand” “=f,f”) (plus:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f,f”)) (match_operand:DF 2 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ adf%?d\t%0, %1, %2 suf%?d\t%0, %1, #%N2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “*adddf_df_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (plus:DF (match_operand:DF 1 “s_register_operand” “f”) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “adf%?d\t%0, %1, %2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “*adddf_esfdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (plus:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “adf%?d\t%0, %1, %2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “addxf3” [(set (match_operand:XF 0 “s_register_operand” “=f,f”) (plus:XF (match_operand:XF 1 “s_register_operand” “f,f”) (match_operand:XF 2 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “@ adf%?e\t%0, %1, %2 suf%?e\t%0, %1, #%N2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_expand “subdi3” [(parallel [(set (match_operand:DI 0 “s_register_operand” "") (minus:DI (match_operand:DI 1 “s_register_operand” "") (match_operand:DI 2 “s_register_operand” ""))) (clobber (reg:CC CC_REGNUM))])] “TARGET_EITHER” " if (TARGET_THUMB) { if (GET_CODE (operands[1]) != REG) operands[1] = force_reg (SImode, operands[1]); if (GET_CODE (operands[2]) != REG) operands[2] = force_reg (SImode, operands[2]); } " )
(define_insn “*arm_subdi3” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r,&r”) (minus:DI (match_operand:DI 1 “s_register_operand” “0,r,0”) (match_operand:DI 2 “s_register_operand” “r,0,0”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “subs\t%Q0, %Q1, %Q2;sbc\t%R0, %R1, %R2” [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn “*thumb_subdi3” [(set (match_operand:DI 0 “register_operand” “=l”) (minus:DI (match_operand:DI 1 “register_operand” “0”) (match_operand:DI 2 “register_operand” “l”))) (clobber (reg:CC CC_REGNUM))] “TARGET_THUMB” “sub\t%Q0, %Q0, %Q2;sbc\t%R0, %R0, %R2” [(set_attr “length” “4”)] )
(define_insn “*subdi_di_zesidi” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (minus:DI (match_operand:DI 1 “s_register_operand” “?r,0”) (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “subs\t%Q0, %Q1, %2;sbc\t%R0, %R1, #0” [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn “*subdi_di_sesidi” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (minus:DI (match_operand:DI 1 “s_register_operand” “r,0”) (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “subs\t%Q0, %Q1, %2;sbc\t%R0, %R1, %2, asr #31” [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn “*subdi_zesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (minus:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “?r,0”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “rsbs\t%Q0, %Q1, %2;rsc\t%R0, %R1, #0” [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn “*subdi_sesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (minus:DI (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “?r,0”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “rsbs\t%Q0, %Q1, %2;rsc\t%R0, %R1, %2, asr #31” [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn “*subdi_zesidi_zesidi” [(set (match_operand:DI 0 “s_register_operand” “=r”) (minus:DI (zero_extend:DI (match_operand:SI 1 “s_register_operand” “r”)) (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “subs\t%Q0, %1, %2;rsc\t%R0, %1, %1” [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_expand “subsi3” [(set (match_operand:SI 0 “s_register_operand” "") (minus:SI (match_operand:SI 1 “reg_or_int_operand” "") (match_operand:SI 2 “s_register_operand” "")))] “TARGET_EITHER” " if (GET_CODE (operands[1]) == CONST_INT) { if (TARGET_ARM) { arm_split_constant (MINUS, SImode, INTVAL (operands[1]), operands[0], operands[2], (no_new_pseudos ? 0 : preserve_subexpressions_p ())); DONE; } else /* TARGET_THUMB */ operands[1] = force_reg (SImode, operands[1]); } " )
(define_insn “*thumb_subsi3_insn” [(set (match_operand:SI 0 “register_operand” “=l”) (minus:SI (match_operand:SI 1 “register_operand” “l”) (match_operand:SI 2 “register_operand” “l”)))] “TARGET_THUMB” “sub\t%0, %1, %2” [(set_attr “length” “2”)] )
(define_insn_and_split “*arm_subsi3_insn” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (minus:SI (match_operand:SI 1 “reg_or_int_operand” “rI,?n”) (match_operand:SI 2 “s_register_operand” “r,r”)))] “TARGET_ARM” “@ rsb%?\t%0, %2, %1 #” “TARGET_ARM && GET_CODE (operands[1]) == CONST_INT && !const_ok_for_arm (INTVAL (operands[1]))” [(clobber (const_int 0))] " arm_split_constant (MINUS, SImode, INTVAL (operands[1]), operands[0], operands[2], 0); DONE; " [(set_attr “length” “4,16”) (set_attr “predicable” “yes”)] )
(define_peephole2 [(match_scratch:SI 3 “r”) (set (match_operand:SI 0 “s_register_operand” "") (minus:SI (match_operand:SI 1 “const_int_operand” "") (match_operand:SI 2 “s_register_operand” "")))] “TARGET_ARM && !const_ok_for_arm (INTVAL (operands[1])) && const_ok_for_arm (~INTVAL (operands[1]))” [(set (match_dup 3) (match_dup 1)) (set (match_dup 0) (minus:SI (match_dup 3) (match_dup 2)))] "" )
(define_insn “*subsi3_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (minus:SI (match_operand:SI 1 “arm_rhs_operand” “r,I”) (match_operand:SI 2 “arm_rhs_operand” “rI,r”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r,r”) (minus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “@ sub%?s\t%0, %1, %2 rsb%?s\t%0, %2, %1” [(set_attr “conds” “set”)] )
(define_insn “decscc” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (minus:SI (match_operand:SI 1 “s_register_operand” “0,?r”) (match_operator:SI 2 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)])))] “TARGET_ARM” “@ sub%d2\t%0, %1, #1 mov%D2\t%0, %1;sub%d2\t%0, %1, #1” [(set_attr “conds” “use”) (set_attr “length” “*,8”)] )
(define_insn “subsf3” [(set (match_operand:SF 0 “s_register_operand” “=f,f”) (minus:SF (match_operand:SF 1 “fpu_rhs_operand” “f,G”) (match_operand:SF 2 “fpu_rhs_operand” “fG,f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ suf%?s\t%0, %1, %2 rsf%?s\t%0, %2, %1” [(set_attr “type” “farith”)] )
(define_insn “subdf3” [(set (match_operand:DF 0 “s_register_operand” “=f,f”) (minus:DF (match_operand:DF 1 “fpu_rhs_operand” “f,G”) (match_operand:DF 2 “fpu_rhs_operand” “fG,f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ suf%?d\t%0, %1, %2 rsf%?d\t%0, %2, %1” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “*subdf_esfdf_df” [(set (match_operand:DF 0 “s_register_operand” “=f”) (minus:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (match_operand:DF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “suf%?d\t%0, %1, %2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “*subdf_df_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f,f”) (minus:DF (match_operand:DF 1 “fpu_rhs_operand” “f,G”) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f,f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ suf%?d\t%0, %1, %2 rsf%?d\t%0, %2, %1” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “*subdf_esfdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (minus:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “suf%?d\t%0, %1, %2” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] )
(define_insn “subxf3” [(set (match_operand:XF 0 “s_register_operand” “=f,f”) (minus:XF (match_operand:XF 1 “fpu_rhs_operand” “f,G”) (match_operand:XF 2 “fpu_rhs_operand” “fG,f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “@ suf%?e\t%0, %1, %2 rsf%?e\t%0, %2, %1” [(set_attr “type” “farith”) (set_attr “predicable” “yes”)] ) ;; Multiplication insns
(define_expand “mulsi3” [(set (match_operand:SI 0 “s_register_operand” "") (mult:SI (match_operand:SI 2 “s_register_operand” "") (match_operand:SI 1 “s_register_operand” "")))] “TARGET_EITHER” "" )
;; Use &' and then 0' to prevent the operands 0 and 1 being the same (define_insn “*arm_mulsi3” [(set (match_operand:SI 0 “s_register_operand” “=&r,&r”) (mult:SI (match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 1 “s_register_operand” “%?r,0”)))] “TARGET_ARM” “mul%?\t%0, %2, %1” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
; Unfortunately with the Thumb the ‘&’/‘0’ trick can fails when operands ; 1 and 2; are the same, because reload will make operand 0 match ; operand 1 without realizing that this conflicts with operand 2. We fix ; this by adding another alternative to match this case, and then `reload' ; it ourselves. This alternative must come first. (define_insn “*thumb_mulsi3” [(set (match_operand:SI 0 “register_operand” “=&l,&l,&l”) (mult:SI (match_operand:SI 1 “register_operand” “%l,*h,0”) (match_operand:SI 2 “register_operand” “l,l,l”)))] “TARGET_THUMB” "* if (which_alternative < 2) return "mov\t%0, %1;mul\t%0, %0, %2"; else return "mul\t%0, %0, %2"; " [(set_attr “length” “4,4,2”) (set_attr “type” “mult”)] )
(define_insn “*mulsi3_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (mult:SI (match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 1 “s_register_operand” “%?r,0”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=&r,&r”) (mult:SI (match_dup 2) (match_dup 1)))] “TARGET_ARM && !arm_is_xscale” “mul%?s\t%0, %2, %1” [(set_attr “conds” “set”) (set_attr “type” “mult”)] )
(define_insn “*mulsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (mult:SI (match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 1 “s_register_operand” “%?r,0”)) (const_int 0))) (clobber (match_scratch:SI 0 “=&r,&r”))] “TARGET_ARM && !arm_is_xscale” “mul%?s\t%0, %2, %1” [(set_attr “conds” “set”) (set_attr “type” “mult”)] )
;; Unnamed templates to match MLA instruction.
(define_insn “*mulsi3addsi” [(set (match_operand:SI 0 “s_register_operand” “=&r,&r,&r,&r”) (plus:SI (mult:SI (match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 1 “s_register_operand” “%r,0,r,0”)) (match_operand:SI 3 “s_register_operand” “?r,r,0,0”)))] “TARGET_ARM” “mla%?\t%0, %2, %1, %3” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
(define_insn “*mulsi3addsi_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (mult:SI (match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 1 “s_register_operand” “%r,0,r,0”)) (match_operand:SI 3 “s_register_operand” “?r,r,0,0”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=&r,&r,&r,&r”) (plus:SI (mult:SI (match_dup 2) (match_dup 1)) (match_dup 3)))] “TARGET_ARM && !arm_is_xscale” “mla%?s\t%0, %2, %1, %3” [(set_attr “conds” “set”) (set_attr “type” “mult”)] )
(define_insn “*mulsi3addsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (mult:SI (match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 1 “s_register_operand” “%r,0,r,0”)) (match_operand:SI 3 “s_register_operand” “?r,r,0,0”)) (const_int 0))) (clobber (match_scratch:SI 0 “=&r,&r,&r,&r”))] “TARGET_ARM && !arm_is_xscale” “mla%?s\t%0, %2, %1, %3” [(set_attr “conds” “set”) (set_attr “type” “mult”)] )
;; Unnamed template to match long long multiply-accumlate (smlal)
(define_insn “*mulsidi3adddi” [(set (match_operand:DI 0 “s_register_operand” “=&r”) (plus:DI (mult:DI (sign_extend:DI (match_operand:SI 2 “s_register_operand” “%r”)) (sign_extend:DI (match_operand:SI 3 “s_register_operand” “r”))) (match_operand:DI 1 “s_register_operand” “0”)))] “TARGET_ARM && arm_fast_multiply” “smlal%?\t%Q0, %R0, %3, %2” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
(define_insn “mulsidi3” [(set (match_operand:DI 0 “s_register_operand” “=&r”) (mult:DI (sign_extend:DI (match_operand:SI 1 “s_register_operand” “%r”)) (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r”))))] “TARGET_ARM && arm_fast_multiply” “smull%?\t%Q0, %R0, %1, %2” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
(define_insn “umulsidi3” [(set (match_operand:DI 0 “s_register_operand” “=&r”) (mult:DI (zero_extend:DI (match_operand:SI 1 “s_register_operand” “%r”)) (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r”))))] “TARGET_ARM && arm_fast_multiply” “umull%?\t%Q0, %R0, %1, %2” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
;; Unnamed template to match long long unsigned multiply-accumlate (umlal)
(define_insn “*umulsidi3adddi” [(set (match_operand:DI 0 “s_register_operand” “=&r”) (plus:DI (mult:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” “%r”)) (zero_extend:DI (match_operand:SI 3 “s_register_operand” “r”))) (match_operand:DI 1 “s_register_operand” “0”)))] “TARGET_ARM && arm_fast_multiply” “umlal%?\t%Q0, %R0, %3, %2” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
(define_insn “smulsi3_highpart” [(set (match_operand:SI 0 “s_register_operand” “=&r,&r”) (truncate:SI (lshiftrt:DI (mult:DI (sign_extend:DI (match_operand:SI 1 “s_register_operand” “%r,0”)) (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”))) (const_int 32)))) (clobber (match_scratch:SI 3 “=&r,&r”))] “TARGET_ARM && arm_fast_multiply” “smull%?\t%3, %0, %2, %1” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
(define_insn “umulsi3_highpart” [(set (match_operand:SI 0 “s_register_operand” “=&r,&r”) (truncate:SI (lshiftrt:DI (mult:DI (zero_extend:DI (match_operand:SI 1 “s_register_operand” “%r,0”)) (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”))) (const_int 32)))) (clobber (match_scratch:SI 3 “=&r,&r”))] “TARGET_ARM && arm_fast_multiply” “umull%?\t%3, %0, %2, %1” [(set_attr “type” “mult”) (set_attr “predicable” “yes”)] )
(define_insn “mulhisi3” [(set (match_operand:SI 0 “s_register_operand” “=r”) (mult:SI (sign_extend:SI (match_operand:HI 1 “s_register_operand” “%r”)) (sign_extend:SI (match_operand:HI 2 “s_register_operand” “r”))))] “TARGET_ARM && arm_is_xscale” “smulbb%?\t%0, %1, %2” [(set_attr “type” “mult”)] )
(define_insn “*mulhisi3addsi” [(set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_operand:SI 1 “s_register_operand” “r”) (mult:SI (sign_extend:SI (match_operand:HI 2 “s_register_operand” “%r”)) (sign_extend:SI (match_operand:HI 3 “s_register_operand” “r”)))))] “TARGET_ARM && arm_is_xscale” “smlabb%?\t%0, %2, %3, %1” [(set_attr “type” “mult”)] )
(define_insn “*mulhidi3adddi” [(set (match_operand:DI 0 “s_register_operand” “=r”) (plus:DI (match_operand:DI 1 “s_register_operand” “0”) (mult:DI (sign_extend:DI (match_operand:HI 2 “s_register_operand” “%r”)) (sign_extend:DI (match_operand:HI 3 “s_register_operand” “r”)))))] “TARGET_ARM && arm_is_xscale” “smlalbb%?\t%Q0, %R0, %2, %3” [(set_attr “type” “mult”)])
(define_insn “mulsf3” [(set (match_operand:SF 0 “s_register_operand” “=f”) (mult:SF (match_operand:SF 1 “s_register_operand” “f”) (match_operand:SF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “fml%?s\t%0, %1, %2” [(set_attr “type” “ffmul”) (set_attr “predicable” “yes”)] )
(define_insn “muldf3” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mult:DF (match_operand:DF 1 “s_register_operand” “f”) (match_operand:DF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “muf%?d\t%0, %1, %2” [(set_attr “type” “fmul”) (set_attr “predicable” “yes”)] )
(define_insn “*muldf_esfdf_df” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mult:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (match_operand:DF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “muf%?d\t%0, %1, %2” [(set_attr “type” “fmul”) (set_attr “predicable” “yes”)] )
(define_insn “*muldf_df_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mult:DF (match_operand:DF 1 “s_register_operand” “f”) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “muf%?d\t%0, %1, %2” [(set_attr “type” “fmul”) (set_attr “predicable” “yes”)] )
(define_insn “*muldf_esfdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mult:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “muf%?d\t%0, %1, %2” [(set_attr “type” “fmul”) (set_attr “predicable” “yes”)] )
(define_insn “mulxf3” [(set (match_operand:XF 0 “s_register_operand” “=f”) (mult:XF (match_operand:XF 1 “s_register_operand” “f”) (match_operand:XF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “muf%?e\t%0, %1, %2” [(set_attr “type” “fmul”) (set_attr “predicable” “yes”)] ) ;; Division insns
(define_insn “divsf3” [(set (match_operand:SF 0 “s_register_operand” “=f,f”) (div:SF (match_operand:SF 1 “fpu_rhs_operand” “f,G”) (match_operand:SF 2 “fpu_rhs_operand” “fG,f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ fdv%?s\t%0, %1, %2 frd%?s\t%0, %2, %1” [(set_attr “type” “fdivs”) (set_attr “predicable” “yes”)] )
(define_insn “divdf3” [(set (match_operand:DF 0 “s_register_operand” “=f,f”) (div:DF (match_operand:DF 1 “fpu_rhs_operand” “f,G”) (match_operand:DF 2 “fpu_rhs_operand” “fG,f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ dvf%?d\t%0, %1, %2 rdf%?d\t%0, %2, %1” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “*divdf_esfdf_df” [(set (match_operand:DF 0 “s_register_operand” “=f”) (div:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (match_operand:DF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “dvf%?d\t%0, %1, %2” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “*divdf_df_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (div:DF (match_operand:DF 1 “fpu_rhs_operand” “fG”) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “rdf%?d\t%0, %2, %1” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “*divdf_esfdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (div:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “dvf%?d\t%0, %1, %2” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “divxf3” [(set (match_operand:XF 0 “s_register_operand” “=f,f”) (div:XF (match_operand:XF 1 “fpu_rhs_operand” “f,G”) (match_operand:XF 2 “fpu_rhs_operand” “fG,f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “@ dvf%?e\t%0, %1, %2 rdf%?e\t%0, %2, %1” [(set_attr “type” “fdivx”) (set_attr “predicable” “yes”)] ) ;; Modulo insns
(define_insn “modsf3” [(set (match_operand:SF 0 “s_register_operand” “=f”) (mod:SF (match_operand:SF 1 “s_register_operand” “f”) (match_operand:SF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “rmf%?s\t%0, %1, %2” [(set_attr “type” “fdivs”) (set_attr “predicable” “yes”)] )
(define_insn “moddf3” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mod:DF (match_operand:DF 1 “s_register_operand” “f”) (match_operand:DF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “rmf%?d\t%0, %1, %2” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “*moddf_esfdf_df” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mod:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (match_operand:DF 2 “fpu_rhs_operand” “fG”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “rmf%?d\t%0, %1, %2” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “*moddf_df_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mod:DF (match_operand:DF 1 “s_register_operand” “f”) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “rmf%?d\t%0, %1, %2” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “*moddf_esfdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (mod:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)) (float_extend:DF (match_operand:SF 2 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “rmf%?d\t%0, %1, %2” [(set_attr “type” “fdivd”) (set_attr “predicable” “yes”)] )
(define_insn “modxf3” [(set (match_operand:XF 0 “s_register_operand” “=f”) (mod:XF (match_operand:XF 1 “s_register_operand” “f”) (match_operand:XF 2 “fpu_rhs_operand” “fG”)))] “ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “rmf%?e\t%0, %1, %2” [(set_attr “type” “fdivx”) (set_attr “predicable” “yes”)] ) ;; Boolean and,ior,xor insns
;; Split up double word logical operations
;; Split up simple DImode logical operations. Simply perform the logical ;; operation on the upper and lower halves of the registers. (define_split [(set (match_operand:DI 0 “s_register_operand” "") (match_operator:DI 6 “logical_binary_operator” [(match_operand:DI 1 “s_register_operand” "") (match_operand:DI 2 “s_register_operand” "“)]))] “TARGET_ARM && reload_completed” [(set (match_dup 0) (match_op_dup:SI 6 [(match_dup 1) (match_dup 2)])) (set (match_dup 3) (match_op_dup:SI 6 [(match_dup 4) (match_dup 5)]))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[5] = gen_highpart (SImode, operands[2]); operands[2] = gen_lowpart (SImode, operands[2]); }” )
(define_split [(set (match_operand:DI 0 “s_register_operand” "") (match_operator:DI 6 “logical_binary_operator” [(sign_extend:DI (match_operand:SI 2 “s_register_operand” "")) (match_operand:DI 1 “s_register_operand” "“)]))] “TARGET_ARM && reload_completed” [(set (match_dup 0) (match_op_dup:SI 6 [(match_dup 1) (match_dup 2)])) (set (match_dup 3) (match_op_dup:SI 6 [(ashiftrt:SI (match_dup 2) (const_int 31)) (match_dup 4)]))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[5] = gen_highpart (SImode, operands[2]); operands[2] = gen_lowpart (SImode, operands[2]); }” )
;; The zero extend of operand 2 means we can just copy the high part of ;; operand1 into operand0. (define_split [(set (match_operand:DI 0 “s_register_operand” "") (ior:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” "")) (match_operand:DI 1 “s_register_operand” "“)))] “TARGET_ARM && operands[0] != operands[1] && reload_completed” [(set (match_dup 0) (ior:SI (match_dup 1) (match_dup 2))) (set (match_dup 3) (match_dup 4))] " { operands[4] = gen_highpart (SImode, operands[1]); operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[1] = gen_lowpart (SImode, operands[1]); }” )
;; The zero extend of operand 2 means we can just copy the high part of ;; operand1 into operand0. (define_split [(set (match_operand:DI 0 “s_register_operand” "") (xor:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” "")) (match_operand:DI 1 “s_register_operand” "“)))] “TARGET_ARM && operands[0] != operands[1] && reload_completed” [(set (match_dup 0) (xor:SI (match_dup 1) (match_dup 2))) (set (match_dup 3) (match_dup 4))] " { operands[4] = gen_highpart (SImode, operands[1]); operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[1] = gen_lowpart (SImode, operands[1]); }” )
(define_insn “anddi3” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (and:DI (match_operand:DI 1 “s_register_operand” “%0,r”) (match_operand:DI 2 “s_register_operand” “r,r”)))] “TARGET_ARM” “#” [(set_attr “length” “8”)] )
(define_insn_and_split “*anddi_zesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (and:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “?r,0”)))] “TARGET_ARM” “#” “TARGET_ARM && reload_completed” ; The zero extend of operand 2 clears the high word of the output ; operand. [(set (match_dup 0) (and:SI (match_dup 1) (match_dup 2))) (set (match_dup 3) (const_int 0))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[1] = gen_lowpart (SImode, operands[1]); }" [(set_attr “length” “8”)] )
(define_insn “*anddi_sesdi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (and:DI (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “?r,0”)))] “TARGET_ARM” “#” [(set_attr “length” “8”)] )
(define_expand “andsi3” [(set (match_operand:SI 0 “s_register_operand” "") (and:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “reg_or_int_operand” "")))] “TARGET_EITHER” " if (TARGET_ARM) { if (GET_CODE (operands[2]) == CONST_INT) { arm_split_constant (AND, SImode, INTVAL (operands[2]), operands[0], operands[1], (no_new_pseudos ? 0 : preserve_subexpressions_p ())); DONE; } } else /* TARGET_THUMB */ { if (GET_CODE (operands[2]) != CONST_INT) operands[2] = force_reg (SImode, operands[2]); else { int i;
if (((unsigned HOST_WIDE_INT) ~INTVAL (operands[2])) < 256)
{
operands[2] = force_reg (SImode,
GEN_INT (~INTVAL (operands[2])));
emit_insn (gen_bicsi3 (operands[0], operands[2], operands[1]));
DONE;
}
for (i = 9; i <= 31; i++)
{
if ((((HOST_WIDE_INT) 1) << i) - 1 == INTVAL (operands[2]))
{
emit_insn (gen_extzv (operands[0], operands[1], GEN_INT (i),
const0_rtx));
DONE;
}
else if ((((HOST_WIDE_INT) 1) << i) - 1
== ~INTVAL (operands[2]))
{
rtx shift = GEN_INT (i);
rtx reg = gen_reg_rtx (SImode);
emit_insn (gen_lshrsi3 (reg, operands[1], shift));
emit_insn (gen_ashlsi3 (operands[0], reg, shift));
DONE;
}
}
operands[2] = force_reg (SImode, operands[2]);
}
}
" )
(define_insn_and_split “*arm_andsi3_insn” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (and:SI (match_operand:SI 1 “s_register_operand” “r,r,r”) (match_operand:SI 2 “reg_or_int_operand” “rI,K,?n”)))] “TARGET_ARM” “@ and%?\t%0, %1, %2 bic%?\t%0, %1, #%B2 #” “TARGET_ARM && GET_CODE (operands[2]) == CONST_INT && !(const_ok_for_arm (INTVAL (operands[2])) || const_ok_for_arm (~INTVAL (operands[2])))” [(clobber (const_int 0))] " arm_split_constant (AND, SImode, INTVAL (operands[2]), operands[0], operands[1], 0); DONE; " [(set_attr “length” “4,4,16”) (set_attr “predicable” “yes”)] )
(define_insn “*thumb_andsi3_insn” [(set (match_operand:SI 0 “register_operand” “=l”) (and:SI (match_operand:SI 1 “register_operand” “%0”) (match_operand:SI 2 “register_operand” “l”)))] “TARGET_THUMB” “and\t%0, %0, %2” [(set_attr “length” “2”)] )
(define_insn “*andsi3_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (and:SI (match_operand:SI 1 “s_register_operand” “r,r”) (match_operand:SI 2 “arm_not_operand” “rI,K”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r,r”) (and:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “@ and%?s\t%0, %1, %2 bic%?s\t%0, %1, #%B2” [(set_attr “conds” “set”)] )
(define_insn “*andsi3_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (and:SI (match_operand:SI 0 “s_register_operand” “r,r”) (match_operand:SI 1 “arm_not_operand” “rI,K”)) (const_int 0))) (clobber (match_scratch:SI 2 “=X,r”))] “TARGET_ARM” “@ tst%?\t%0, %1 bic%?s\t%2, %0, #%B1” [(set_attr “conds” “set”)] )
(define_insn “*zeroextractsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (zero_extract:SI (match_operand:SI 0 “s_register_operand” “r”) (match_operand 1 “const_int_operand” “n”) (match_operand 2 “const_int_operand” “n”)) (const_int 0)))] “TARGET_ARM && (INTVAL (operands[2]) >= 0 && INTVAL (operands[2]) < 32 && INTVAL (operands[1]) > 0 && INTVAL (operands[1]) + (INTVAL (operands[2]) & 1) <= 8 && INTVAL (operands[1]) + INTVAL (operands[2]) <= 32)” "* operands[1] = GEN_INT (((1 << INTVAL (operands[1])) - 1) << INTVAL (operands[2])); output_asm_insn ("tst%?\t%0, %1", operands); return ""; " [(set_attr “conds” “set”)] )
(define_insn “*ne_zeroextractsi” [(set (match_operand:SI 0 “s_register_operand” “=r”) (ne:SI (zero_extract:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “const_int_operand” “n”) (match_operand:SI 3 “const_int_operand” “n”)) (const_int 0)))] “TARGET_ARM && (INTVAL (operands[3]) >= 0 && INTVAL (operands[3]) < 32 && INTVAL (operands[2]) > 0 && INTVAL (operands[2]) + (INTVAL (operands[3]) & 1) <= 8 && INTVAL (operands[2]) + INTVAL (operands[3]) <= 32)” "* operands[2] = GEN_INT (((1 << INTVAL (operands[2])) - 1) << INTVAL (operands[3])); output_asm_insn ("ands\t%0, %1, %2", operands); return "movne\t%0, #1"; " [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
;;; ??? This pattern is bogus. If operand3 has bits outside the range ;;; represented by the bitfield, then this will produce incorrect results. ;;; Somewhere, the value needs to be truncated. On targets like the m68k, ;;; which have a real bitfield insert instruction, the truncation happens ;;; in the bitfield insert instruction itself. Since arm does not have a ;;; bitfield insert instruction, we would have to emit code here to truncate ;;; the value before we insert. This loses some of the advantage of having ;;; this insv pattern, so this pattern needs to be reevalutated.
(define_expand “insv” [(set (zero_extract:SI (match_operand:SI 0 “s_register_operand” "") (match_operand:SI 1 “general_operand” "") (match_operand:SI 2 “general_operand” "")) (match_operand:SI 3 “nonmemory_operand” ""))] “TARGET_ARM” " { int start_bit = INTVAL (operands[2]); int width = INTVAL (operands[1]); HOST_WIDE_INT mask = (((HOST_WIDE_INT)1) << width) - 1; rtx target, subtarget;
target = operands[0];
/* Avoid using a subreg as a subtarget, and avoid writing a paradoxical
subreg as the final target. */
if (GET_CODE (target) == SUBREG)
{
subtarget = gen_reg_rtx (SImode);
if (GET_MODE_SIZE (GET_MODE (SUBREG_REG (target)))
< GET_MODE_SIZE (SImode))
target = SUBREG_REG (target);
}
else
subtarget = target;
if (GET_CODE (operands[3]) == CONST_INT)
{
/* Since we are inserting a known constant, we may be able to
reduce the number of bits that we have to clear so that
the mask becomes simple. */
/* ??? This code does not check to see if the new mask is actually
simpler. It may not be. */
rtx op1 = gen_reg_rtx (SImode);
/* ??? Truncate operand3 to fit in the bitfield. See comment before
start of this pattern. */
HOST_WIDE_INT op3_value = mask & INTVAL (operands[3]);
HOST_WIDE_INT mask2 = ((mask & ~op3_value) << start_bit);
emit_insn (gen_andsi3 (op1, operands[0], GEN_INT (~mask2)));
emit_insn (gen_iorsi3 (subtarget, op1,
GEN_INT (op3_value << start_bit)));
}
else if (start_bit == 0
&& !(const_ok_for_arm (mask)
|| const_ok_for_arm (~mask)))
{
/* A Trick, since we are setting the bottom bits in the word,
we can shift operand[3] up, operand[0] down, OR them together
and rotate the result back again. This takes 3 insns, and
the third might be mergable into another op. */
/* The shift up copes with the possibility that operand[3] is
wider than the bitfield. */
rtx op0 = gen_reg_rtx (SImode);
rtx op1 = gen_reg_rtx (SImode);
emit_insn (gen_ashlsi3 (op0, operands[3], GEN_INT (32 - width)));
emit_insn (gen_lshrsi3 (op1, operands[0], operands[1]));
emit_insn (gen_iorsi3 (op1, op1, op0));
emit_insn (gen_rotlsi3 (subtarget, op1, operands[1]));
}
else if ((width + start_bit == 32)
&& !(const_ok_for_arm (mask)
|| const_ok_for_arm (~mask)))
{
/* Similar trick, but slightly less efficient. */
rtx op0 = gen_reg_rtx (SImode);
rtx op1 = gen_reg_rtx (SImode);
emit_insn (gen_ashlsi3 (op0, operands[3], GEN_INT (32 - width)));
emit_insn (gen_ashlsi3 (op1, operands[0], operands[1]));
emit_insn (gen_lshrsi3 (op1, op1, operands[1]));
emit_insn (gen_iorsi3 (subtarget, op1, op0));
}
else
{
rtx op0 = GEN_INT (mask);
rtx op1 = gen_reg_rtx (SImode);
rtx op2 = gen_reg_rtx (SImode);
if (!(const_ok_for_arm (mask) || const_ok_for_arm (~mask)))
{
rtx tmp = gen_reg_rtx (SImode);
emit_insn (gen_movsi (tmp, op0));
op0 = tmp;
}
/* Mask out any bits in operand[3] that are not needed. */
emit_insn (gen_andsi3 (op1, operands[3], op0));
if (GET_CODE (op0) == CONST_INT
&& (const_ok_for_arm (mask << start_bit)
|| const_ok_for_arm (~(mask << start_bit))))
{
op0 = GEN_INT (~(mask << start_bit));
emit_insn (gen_andsi3 (op2, operands[0], op0));
}
else
{
if (GET_CODE (op0) == CONST_INT)
{
rtx tmp = gen_reg_rtx (SImode);
emit_insn (gen_movsi (tmp, op0));
op0 = tmp;
}
if (start_bit != 0)
emit_insn (gen_ashlsi3 (op0, op0, operands[2]));
emit_insn (gen_andsi_notsi_si (op2, operands[0], op0));
}
if (start_bit != 0)
emit_insn (gen_ashlsi3 (op1, op1, operands[2]));
emit_insn (gen_iorsi3 (subtarget, op1, op2));
}
if (subtarget != target)
{
/* If TARGET is still a SUBREG, then it must be wider than a word,
so we must be careful only to set the subword we were asked to. */
if (GET_CODE (target) == SUBREG)
emit_move_insn (target, subtarget);
else
emit_move_insn (target, gen_lowpart (GET_MODE (target), subtarget));
}
DONE;
}" )
; constants for op 2 will never be given to these patterns. (define_insn_and_split “*anddi_notdi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (and:DI (not:DI (match_operand:DI 1 “s_register_operand” “r,0”)) (match_operand:DI 2 “s_register_operand” “0,r”)))] “TARGET_ARM” “#” “TARGET_ARM && reload_completed” [(set (match_dup 0) (and:SI (not:SI (match_dup 1)) (match_dup 2))) (set (match_dup 3) (and:SI (not:SI (match_dup 4)) (match_dup 5)))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[5] = gen_highpart (SImode, operands[2]); operands[2] = gen_lowpart (SImode, operands[2]); }" [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_insn_and_split “*anddi_notzesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (and:DI (not:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”))) (match_operand:DI 1 “s_register_operand” “0,?r”)))] “TARGET_ARM” “@ bic%?\t%Q0, %Q1, %2 #” ; (not (zero_extend ...)) allows us to just copy the high word from ; operand1 to operand0. “TARGET_ARM && reload_completed && operands[0] != operands[1]” [(set (match_dup 0) (and:SI (not:SI (match_dup 1)) (match_dup 2))) (set (match_dup 3) (match_dup 4))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); }" [(set_attr “length” “4,8”) (set_attr “predicable” “yes”)] )
(define_insn_and_split “*anddi_notsesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (and:DI (not:DI (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”))) (match_operand:DI 1 “s_register_operand” “?r,0”)))] “TARGET_ARM” “#” “TARGET_ARM && reload_completed” [(set (match_dup 0) (and:SI (not:SI (match_dup 1)) (match_dup 2))) (set (match_dup 3) (and:SI (not:SI (ashiftrt:SI (match_dup 2) (const_int 31))) (match_dup 4)))] " { operands[3] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[4] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); }" [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_insn “andsi_notsi_si” [(set (match_operand:SI 0 “s_register_operand” “=r”) (and:SI (not:SI (match_operand:SI 2 “s_register_operand” “r”)) (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM” “bic%?\t%0, %1, %2” [(set_attr “predicable” “yes”)] )
(define_insn “bicsi3” [(set (match_operand:SI 0 “register_operand” “=l”) (and:SI (not:SI (match_operand:SI 1 “register_operand” “l”)) (match_operand:SI 2 “register_operand” “0”)))] “TARGET_THUMB” “bic\t%0, %0, %1” [(set_attr “length” “2”)] )
(define_insn “andsi_not_shiftsi_si” [(set (match_operand:SI 0 “s_register_operand” “=r”) (and:SI (not:SI (match_operator:SI 4 “shift_operator” [(match_operand:SI 2 “s_register_operand” “r”) (match_operand:SI 3 “arm_rhs_operand” “rM”)])) (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM” “bic%?\t%0, %1, %2%S4” [(set_attr “predicable” “yes”) (set_attr “shift” “2”) ] )
(define_insn “*andsi_notsi_si_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (and:SI (not:SI (match_operand:SI 2 “s_register_operand” “r”)) (match_operand:SI 1 “s_register_operand” “r”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (and:SI (not:SI (match_dup 2)) (match_dup 1)))] “TARGET_ARM” “bic%?s\t%0, %1, %2” [(set_attr “conds” “set”)] )
(define_insn “*andsi_notsi_si_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (and:SI (not:SI (match_operand:SI 2 “s_register_operand” “r”)) (match_operand:SI 1 “s_register_operand” “r”)) (const_int 0))) (clobber (match_scratch:SI 0 “=r”))] “TARGET_ARM” “bic%?s\t%0, %1, %2” [(set_attr “conds” “set”)] )
(define_insn “iordi3” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (ior:DI (match_operand:DI 1 “s_register_operand” “%0,r”) (match_operand:DI 2 “s_register_operand” “r,r”)))] “TARGET_ARM” “#” [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_insn “*iordi_zesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (ior:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “0,?r”)))] “TARGET_ARM” “@ orr%?\t%Q0, %Q1, %2 #” [(set_attr “length” “4,8”) (set_attr “predicable” “yes”)] )
(define_insn “*iordi_sesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (ior:DI (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “?r,0”)))] “TARGET_ARM” “#” [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_expand “iorsi3” [(set (match_operand:SI 0 “s_register_operand” "") (ior:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “reg_or_int_operand” "")))] “TARGET_EITHER” " if (GET_CODE (operands[2]) == CONST_INT) { if (TARGET_ARM) { arm_split_constant (IOR, SImode, INTVAL (operands[2]), operands[0], operands[1], (no_new_pseudos ? 0 : preserve_subexpressions_p ())); DONE; } else /* TARGET_THUMB */ operands [2] = force_reg (SImode, operands [2]); } " )
(define_insn_and_split “*arm_iorsi3” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (ior:SI (match_operand:SI 1 “s_register_operand” “r,r”) (match_operand:SI 2 “reg_or_int_operand” “rI,?n”)))] “TARGET_ARM” “@ orr%?\t%0, %1, %2 #” “TARGET_ARM && GET_CODE (operands[2]) == CONST_INT && !const_ok_for_arm (INTVAL (operands[2]))” [(clobber (const_int 0))] " arm_split_constant (IOR, SImode, INTVAL (operands[2]), operands[0], operands[1], 0); DONE; " [(set_attr “length” “4,16”) (set_attr “predicable” “yes”)] )
(define_insn “*thumb_iorsi3” [(set (match_operand:SI 0 “register_operand” “=l”) (ior:SI (match_operand:SI 1 “register_operand” “%0”) (match_operand:SI 2 “register_operand” “l”)))] “TARGET_THUMB” “orr\t%0, %0, %2” [(set_attr “length” “2”)] )
(define_peephole2 [(match_scratch:SI 3 “r”) (set (match_operand:SI 0 “s_register_operand” "") (ior:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “const_int_operand” "")))] “TARGET_ARM && !const_ok_for_arm (INTVAL (operands[2])) && const_ok_for_arm (~INTVAL (operands[2]))” [(set (match_dup 3) (match_dup 2)) (set (match_dup 0) (ior:SI (match_dup 1) (match_dup 3)))] "" )
(define_insn “*iorsi3_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (ior:SI (match_operand:SI 1 “s_register_operand” “%r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (ior:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “orr%?s\t%0, %1, %2” [(set_attr “conds” “set”)] )
(define_insn “*iorsi3_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (ior:SI (match_operand:SI 1 “s_register_operand” “%r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)) (const_int 0))) (clobber (match_scratch:SI 0 “=r”))] “TARGET_ARM” “orr%?s\t%0, %1, %2” [(set_attr “conds” “set”)] )
(define_insn “xordi3” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (xor:DI (match_operand:DI 1 “s_register_operand” “%0,r”) (match_operand:DI 2 “s_register_operand” “r,r”)))] “TARGET_ARM” “#” [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_insn “*xordi_zesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (xor:DI (zero_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “0,?r”)))] “TARGET_ARM” “@ eor%?\t%Q0, %Q1, %2 #” [(set_attr “length” “4,8”) (set_attr “predicable” “yes”)] )
(define_insn “*xordi_sesidi_di” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (xor:DI (sign_extend:DI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:DI 1 “s_register_operand” “?r,0”)))] “TARGET_ARM” “#” [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_expand “xorsi3” [(set (match_operand:SI 0 “s_register_operand” "") (xor:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “arm_rhs_operand” "")))] “TARGET_EITHER” "if (TARGET_THUMB) if (GET_CODE (operands[2]) == CONST_INT) operands[2] = force_reg (SImode, operands[2]); " )
(define_insn “*arm_xorsi3” [(set (match_operand:SI 0 “s_register_operand” “=r”) (xor:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)))] “TARGET_ARM” “eor%?\t%0, %1, %2” [(set_attr “predicable” “yes”)] )
(define_insn “*thumb_xorsi3” [(set (match_operand:SI 0 “register_operand” “=l”) (xor:SI (match_operand:SI 1 “register_operand” “%0”) (match_operand:SI 2 “register_operand” “l”)))] “TARGET_THUMB” “eor\t%0, %0, %2” [(set_attr “length” “2”)] )
(define_insn “*xorsi3_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (xor:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (xor:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM” “eor%?s\t%0, %1, %2” [(set_attr “conds” “set”)] )
(define_insn “*xorsi3_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (xor:SI (match_operand:SI 0 “s_register_operand” “r”) (match_operand:SI 1 “arm_rhs_operand” “rI”)) (const_int 0)))] “TARGET_ARM” “teq%?\t%0, %1” [(set_attr “conds” “set”)] )
; By splitting (IOR (AND (NOT A) (NOT B)) C) as D = AND (IOR A B) (NOT C), ; (NOT D) we can sometimes merge the final NOT into one of the following ; insns.
(define_split [(set (match_operand:SI 0 “s_register_operand” “=r”) (ior:SI (and:SI (not:SI (match_operand:SI 1 “s_register_operand” “r”)) (not:SI (match_operand:SI 2 “arm_rhs_operand” “rI”))) (match_operand:SI 3 “arm_rhs_operand” “rI”))) (clobber (match_operand:SI 4 “s_register_operand” “=r”))] “TARGET_ARM” [(set (match_dup 4) (and:SI (ior:SI (match_dup 1) (match_dup 2)) (not:SI (match_dup 3)))) (set (match_dup 0) (not:SI (match_dup 4)))] "" )
(define_insn “*andsi_iorsi3_notsi” [(set (match_operand:SI 0 “s_register_operand” “=&r,&r,&r”) (and:SI (ior:SI (match_operand:SI 1 “s_register_operand” “r,r,0”) (match_operand:SI 2 “arm_rhs_operand” “rI,0,rI”)) (not:SI (match_operand:SI 3 “arm_rhs_operand” “rI,rI,rI”))))] “TARGET_ARM” “orr%?\t%0, %1, %2;bic%?\t%0, %0, %3” [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
;; Minimum and maximum insns
(define_insn “smaxsi3” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (smax:SI (match_operand:SI 1 “s_register_operand” “0,r,?r”) (match_operand:SI 2 “arm_rhs_operand” “rI,0,rI”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “@ cmp\t%1, %2;movlt\t%0, %2 cmp\t%1, %2;movge\t%0, %1 cmp\t%1, %2;movge\t%0, %1;movlt\t%0, %2” [(set_attr “conds” “clob”) (set_attr “length” “8,8,12”)] )
(define_insn “sminsi3” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (smin:SI (match_operand:SI 1 “s_register_operand” “0,r,?r”) (match_operand:SI 2 “arm_rhs_operand” “rI,0,rI”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “@ cmp\t%1, %2;movge\t%0, %2 cmp\t%1, %2;movlt\t%0, %1 cmp\t%1, %2;movlt\t%0, %1;movge\t%0, %2” [(set_attr “conds” “clob”) (set_attr “length” “8,8,12”)] )
(define_insn “umaxsi3” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (umax:SI (match_operand:SI 1 “s_register_operand” “0,r,?r”) (match_operand:SI 2 “arm_rhs_operand” “rI,0,rI”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “@ cmp\t%1, %2;movcc\t%0, %2 cmp\t%1, %2;movcs\t%0, %1 cmp\t%1, %2;movcs\t%0, %1;movcc\t%0, %2” [(set_attr “conds” “clob”) (set_attr “length” “8,8,12”)] )
(define_insn “uminsi3” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (umin:SI (match_operand:SI 1 “s_register_operand” “0,r,?r”) (match_operand:SI 2 “arm_rhs_operand” “rI,0,rI”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “@ cmp\t%1, %2;movcs\t%0, %2 cmp\t%1, %2;movcc\t%0, %1 cmp\t%1, %2;movcc\t%0, %1;movcs\t%0, %2” [(set_attr “conds” “clob”) (set_attr “length” “8,8,12”)] )
(define_insn “*store_minmaxsi” [(set (match_operand:SI 0 “memory_operand” “=m”) (match_operator:SI 3 “minmax_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “s_register_operand” “r”)])) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* operands[3] = gen_rtx (minmax_code (operands[3]), SImode, operands[1], operands[2]); output_asm_insn ("cmp\t%1, %2", operands); output_asm_insn ("str%d3\t%1, %0", operands); output_asm_insn ("str%D3\t%2, %0", operands); return ""; " [(set_attr “conds” “clob”) (set_attr “length” “12”) (set_attr “type” “store1”)] )
; Reject the frame pointer in operand[1], since reloading this after ; it has been eliminated can cause carnage. (define_insn “*minmax_arithsi” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (match_operator:SI 4 “shiftable_operator” [(match_operator:SI 5 “minmax_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rI,rI”)]) (match_operand:SI 1 “s_register_operand” “0,?r”)])) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM && (GET_CODE (operands[1]) != REG || (REGNO(operands[1]) != FRAME_POINTER_REGNUM && REGNO(operands[1]) != ARG_POINTER_REGNUM))” "* { enum rtx_code code = GET_CODE (operands[4]);
operands[5] = gen_rtx (minmax_code (operands[5]), SImode, operands[2],
operands[3]);
output_asm_insn (\"cmp\\t%2, %3\", operands);
output_asm_insn (\"%i4%d5\\t%0, %1, %2\", operands);
if (which_alternative != 0 || operands[3] != const0_rtx
|| (code != PLUS && code != MINUS && code != IOR && code != XOR))
output_asm_insn (\"%i4%D5\\t%0, %1, %3\", operands);
return \"\";
}" [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
;; Shift and rotation insns
(define_expand “ashlsi3” [(set (match_operand:SI 0 “s_register_operand” "") (ashift:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “arm_rhs_operand” "")))] “TARGET_EITHER” " if (GET_CODE (operands[2]) == CONST_INT && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31) { emit_insn (gen_movsi (operands[0], const0_rtx)); DONE; } " )
(define_insn “*thumb_ashlsi3” [(set (match_operand:SI 0 “register_operand” “=l,l”) (ashift:SI (match_operand:SI 1 “register_operand” “l,0”) (match_operand:SI 2 “nonmemory_operand” “N,l”)))] “TARGET_THUMB” “lsl\t%0, %1, %2” [(set_attr “length” “2”)] )
(define_expand “ashrsi3” [(set (match_operand:SI 0 “s_register_operand” "") (ashiftrt:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “arm_rhs_operand” "")))] “TARGET_EITHER” " if (GET_CODE (operands[2]) == CONST_INT && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31) operands[2] = GEN_INT (31); " )
(define_insn “*thumb_ashrsi3” [(set (match_operand:SI 0 “register_operand” “=l,l”) (ashiftrt:SI (match_operand:SI 1 “register_operand” “l,0”) (match_operand:SI 2 “nonmemory_operand” “N,l”)))] “TARGET_THUMB” “asr\t%0, %1, %2” [(set_attr “length” “2”)] )
(define_expand “lshrsi3” [(set (match_operand:SI 0 “s_register_operand” "") (lshiftrt:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “arm_rhs_operand” "")))] “TARGET_EITHER” " if (GET_CODE (operands[2]) == CONST_INT && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31) { emit_insn (gen_movsi (operands[0], const0_rtx)); DONE; } " )
(define_insn “*thumb_lshrsi3” [(set (match_operand:SI 0 “register_operand” “=l,l”) (lshiftrt:SI (match_operand:SI 1 “register_operand” “l,0”) (match_operand:SI 2 “nonmemory_operand” “N,l”)))] “TARGET_THUMB” “lsr\t%0, %1, %2” [(set_attr “length” “2”)] )
(define_expand “rotlsi3” [(set (match_operand:SI 0 “s_register_operand” "") (rotatert:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “reg_or_int_operand” "")))] “TARGET_ARM” " if (GET_CODE (operands[2]) == CONST_INT) operands[2] = GEN_INT ((32 - INTVAL (operands[2])) % 32); else { rtx reg = gen_reg_rtx (SImode); emit_insn (gen_subsi3 (reg, GEN_INT (32), operands[2])); operands[2] = reg; } " )
(define_expand “rotrsi3” [(set (match_operand:SI 0 “s_register_operand” "") (rotatert:SI (match_operand:SI 1 “s_register_operand” "") (match_operand:SI 2 “arm_rhs_operand” "")))] “TARGET_EITHER” " if (TARGET_ARM) { if (GET_CODE (operands[2]) == CONST_INT && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31) operands[2] = GEN_INT (INTVAL (operands[2]) % 32); } else /* TARGET_THUMB */ { if (GET_CODE (operands [2]) == CONST_INT) operands [2] = force_reg (SImode, operands[2]); } " )
(define_insn “*thumb_rotrsi3” [(set (match_operand:SI 0 “register_operand” “=l”) (rotatert:SI (match_operand:SI 1 “register_operand” “0”) (match_operand:SI 2 “register_operand” “l”)))] “TARGET_THUMB” “ror\t%0, %0, %2” [(set_attr “length” “2”)] )
(define_insn “*arm_shiftsi3” [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “reg_or_int_operand” “rM”)]))] “TARGET_ARM” “mov%?\t%0, %1%S3” [(set_attr “predicable” “yes”) (set_attr “shift” “1”) ] )
(define_insn “*shiftsi3_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)]) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (match_op_dup 3 [(match_dup 1) (match_dup 2)]))] “TARGET_ARM” “mov%?s\t%0, %1%S3” [(set_attr “conds” “set”) (set_attr “shift” “1”) ] )
(define_insn “*shiftsi3_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)]) (const_int 0))) (clobber (match_scratch:SI 0 “=r”))] “TARGET_ARM” “mov%?s\t%0, %1%S3” [(set_attr “conds” “set”) (set_attr “shift” “1”) ] )
(define_insn “*notsi_shiftsi” [(set (match_operand:SI 0 “s_register_operand” “=r”) (not:SI (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)])))] “TARGET_ARM” “mvn%?\t%0, %1%S3” [(set_attr “predicable” “yes”) (set_attr “shift” “1”) ] )
(define_insn “*notsi_shiftsi_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (not:SI (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)])) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (not:SI (match_op_dup 3 [(match_dup 1) (match_dup 2)])))] “TARGET_ARM” “mvn%?s\t%0, %1%S3” [(set_attr “conds” “set”) (set_attr “shift” “1”) ] )
(define_insn “*not_shiftsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (not:SI (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)])) (const_int 0))) (clobber (match_scratch:SI 0 “=r”))] “TARGET_ARM” “mvn%?s\t%0, %1%S3” [(set_attr “conds” “set”) (set_attr “shift” “1”) ] )
;; We don't really have extzv, but defining this using shifts helps ;; to reduce register pressure later on.
(define_expand “extzv” [(set (match_dup 4) (ashift:SI (match_operand:SI 1 “register_operand” "") (match_operand:SI 2 “const_int_operand” ""))) (set (match_operand:SI 0 “register_operand” "") (lshiftrt:SI (match_dup 4) (match_operand:SI 3 “const_int_operand” "")))] “TARGET_THUMB” " { HOST_WIDE_INT lshift = 32 - INTVAL (operands[2]) - INTVAL (operands[3]); HOST_WIDE_INT rshift = 32 - INTVAL (operands[2]);
operands[3] = GEN_INT (rshift);
if (lshift == 0)
{
emit_insn (gen_lshrsi3 (operands[0], operands[1], operands[3]));
DONE;
}
operands[2] = GEN_INT (lshift);
operands[4] = gen_reg_rtx (SImode);
}" )
;; Unary arithmetic insns
(define_expand “negdi2” [(parallel [(set (match_operand:DI 0 “s_register_operand” "") (neg:DI (match_operand:DI 1 “s_register_operand” ""))) (clobber (reg:CC CC_REGNUM))])] “TARGET_EITHER” " if (TARGET_THUMB) { if (GET_CODE (operands[1]) != REG) operands[1] = force_reg (SImode, operands[1]); } " )
;; The constraints here are to prevent a partial overlap (where %Q0 == %R1). ;; The second alternative is to allow the common case of a full overlap. (define_insn “*arm_negdi2” [(set (match_operand:DI 0 “s_register_operand” “=&r,r”) (neg:DI (match_operand:DI 1 “s_register_operand” “?r,0”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “rsbs\t%Q0, %Q1, #0;rsc\t%R0, %R1, #0” [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn “*thumb_negdi2” [(set (match_operand:DI 0 “register_operand” “=&l”) (neg:DI (match_operand:DI 1 “register_operand” “l”))) (clobber (reg:CC CC_REGNUM))] “TARGET_THUMB” “mov\t%R0, #0;neg\t%Q0, %Q1;sbc\t%R0, %R1” [(set_attr “length” “6”)] )
(define_expand “negsi2” [(set (match_operand:SI 0 “s_register_operand” "") (neg:SI (match_operand:SI 1 “s_register_operand” "")))] “TARGET_EITHER” "" )
(define_insn “*arm_negsi2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (neg:SI (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM” “rsb%?\t%0, %1, #0” [(set_attr “predicable” “yes”)] )
(define_insn “*thumb_negsi2” [(set (match_operand:SI 0 “register_operand” “=l”) (neg:SI (match_operand:SI 1 “register_operand” “l”)))] “TARGET_THUMB” “neg\t%0, %1” [(set_attr “length” “2”)] )
(define_insn “negsf2” [(set (match_operand:SF 0 “s_register_operand” “=f”) (neg:SF (match_operand:SF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “mnf%?s\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “negdf2” [(set (match_operand:DF 0 “s_register_operand” “=f”) (neg:DF (match_operand:DF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “mnf%?d\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “*negdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (neg:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “mnf%?d\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “negxf2” [(set (match_operand:XF 0 “s_register_operand” “=f”) (neg:XF (match_operand:XF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “mnf%?e\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
;; abssi2 doesn't really clobber the condition codes if a different register ;; is being set. To keep things simple, assume during rtl manipulations that ;; it does, but tell the final scan operator the truth. Similarly for ;; (neg (abs...))
(define_insn “abssi2” [(set (match_operand:SI 0 “s_register_operand” “=r,&r”) (abs:SI (match_operand:SI 1 “s_register_operand” “0,r”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “@ cmp\t%0, #0;rsblt\t%0, %0, #0 eor%?\t%0, %1, %1, asr #31;sub%?\t%0, %0, %1, asr #31” [(set_attr “conds” “clob,*”) (set_attr “shift” “1”) ;; predicable can't be set based on the variant, so left as no (set_attr “length” “8”)] )
(define_insn “*neg_abssi2” [(set (match_operand:SI 0 “s_register_operand” “=r,&r”) (neg:SI (abs:SI (match_operand:SI 1 “s_register_operand” “0,r”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “@ cmp\t%0, #0;rsbgt\t%0, %0, #0 eor%?\t%0, %1, %1, asr #31;rsb%?\t%0, %0, %1, asr #31” [(set_attr “conds” “clob,*”) (set_attr “shift” “1”) ;; predicable can't be set based on the variant, so left as no (set_attr “length” “8”)] )
(define_insn “abssf2” [(set (match_operand:SF 0 “s_register_operand” “=f”) (abs:SF (match_operand:SF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “abs%?s\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “absdf2” [(set (match_operand:DF 0 “s_register_operand” “=f”) (abs:DF (match_operand:DF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “abs%?d\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “*absdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (abs:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “abs%?d\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “absxf2” [(set (match_operand:XF 0 “s_register_operand” “=f”) (abs:XF (match_operand:XF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “abs%?e\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “sqrtsf2” [(set (match_operand:SF 0 “s_register_operand” “=f”) (sqrt:SF (match_operand:SF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “sqt%?s\t%0, %1” [(set_attr “type” “float_em”) (set_attr “predicable” “yes”)] )
(define_insn “sqrtdf2” [(set (match_operand:DF 0 “s_register_operand” “=f”) (sqrt:DF (match_operand:DF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “sqt%?d\t%0, %1” [(set_attr “type” “float_em”) (set_attr “predicable” “yes”)] )
(define_insn “*sqrtdf_esfdf” [(set (match_operand:DF 0 “s_register_operand” “=f”) (sqrt:DF (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “sqt%?d\t%0, %1” [(set_attr “type” “float_em”) (set_attr “predicable” “yes”)] )
(define_insn “sqrtxf2” [(set (match_operand:XF 0 “s_register_operand” “=f”) (sqrt:XF (match_operand:XF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “sqt%?e\t%0, %1” [(set_attr “type” “float_em”) (set_attr “predicable” “yes”)] )
;; SIN COS TAN and family are always emulated, so it's probably better ;; to always call a library function. ;(define_insn “sinsf2” ; [(set (match_operand:SF 0 “s_register_operand” “=f”) ; (unspec:SF [(match_operand:SF 1 “s_register_operand” “f”)] ; UNSPEC_SIN))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “sin%?s\t%0, %1” ;[(set_attr “type” “float_em”)]) ; ;(define_insn “sindf2” ; [(set (match_operand:DF 0 “s_register_operand” “=f”) ; (unspec:DF [(match_operand:DF 1 “s_register_operand” “f”)] ; UNSPEC_SIN))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “sin%?d\t%0, %1” ;[(set_attr “type” “float_em”)]) ; ;(define_insn “*sindf_esfdf” ; [(set (match_operand:DF 0 “s_register_operand” “=f”) ; (unspec:DF [(float_extend:DF ; (match_operand:SF 1 “s_register_operand” “f”))] ; UNSPEC_SIN))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “sin%?d\t%0, %1” ;[(set_attr “type” “float_em”)]) ; ;(define_insn “sinxf2” ; [(set (match_operand:XF 0 “s_register_operand” “=f”) ; (unspec:XF [(match_operand:XF 1 “s_register_operand” “f”)] ; UNSPEC_SIN))] ; “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” ; “sin%?e\t%0, %1” ;[(set_attr “type” “float_em”)]) ; ;(define_insn “cossf2” ; [(set (match_operand:SF 0 “s_register_operand” “=f”) ; (unspec:SF [(match_operand:SF 1 “s_register_operand” “f”)] ; UNSPEC_COS))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “cos%?s\t%0, %1” ;[(set_attr “type” “float_em”)]) ; ;(define_insn “cosdf2” ; [(set (match_operand:DF 0 “s_register_operand” “=f”) ; (unspec:DF [(match_operand:DF 1 “s_register_operand” “f”)] ; UNSPEC_COS))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “cos%?d\t%0, %1” ;[(set_attr “type” “float_em”)]) ; ;(define_insn “*cosdf_esfdf” ; [(set (match_operand:DF 0 “s_register_operand” “=f”) ; (unspec:DF [(float_extend:DF ; (match_operand:SF 1 “s_register_operand” “f”))] ; UNSPEC_COS))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “cos%?d\t%0, %1” ;[(set_attr “type” “float_em”)]) ; ;(define_insn “cosxf2” ; [(set (match_operand:XF 0 “s_register_operand” “=f”) ; (unspec:XF [(match_operand:XF 1 “s_register_operand” “f”)] ; UNSEPC_COS))] ; “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” ; “cos%?e\t%0, %1” ;[(set_attr “type” “float_em”)])
(define_insn_and_split “one_cmpldi2” [(set (match_operand:DI 0 “s_register_operand” “=&r,&r”) (not:DI (match_operand:DI 1 “s_register_operand” “?r,0”)))] “TARGET_ARM” “#” “TARGET_ARM && reload_completed” [(set (match_dup 0) (not:SI (match_dup 1))) (set (match_dup 2) (not:SI (match_dup 3)))] " { operands[2] = gen_highpart (SImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[3] = gen_highpart (SImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); }" [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_expand “one_cmplsi2” [(set (match_operand:SI 0 “s_register_operand” "") (not:SI (match_operand:SI 1 “s_register_operand” "")))] “TARGET_EITHER” "" )
(define_insn “*arm_one_cmplsi2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (not:SI (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM” “mvn%?\t%0, %1” [(set_attr “predicable” “yes”)] )
(define_insn “*thumb_one_cmplsi2” [(set (match_operand:SI 0 “register_operand” “=l”) (not:SI (match_operand:SI 1 “register_operand” “l”)))] “TARGET_THUMB” “mvn\t%0, %1” [(set_attr “length” “2”)] )
(define_insn “*notsi_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (not:SI (match_operand:SI 1 “s_register_operand” “r”)) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (not:SI (match_dup 1)))] “TARGET_ARM” “mvn%?s\t%0, %1” [(set_attr “conds” “set”)] )
(define_insn “*notsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (not:SI (match_operand:SI 1 “s_register_operand” “r”)) (const_int 0))) (clobber (match_scratch:SI 0 “=r”))] “TARGET_ARM” “mvn%?s\t%0, %1” [(set_attr “conds” “set”)] ) ;; Fixed <--> Floating conversion insns
(define_insn “floatsisf2” [(set (match_operand:SF 0 “s_register_operand” “=f”) (float:SF (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “flt%?s\t%0, %1” [(set_attr “type” “r_2_f”) (set_attr “predicable” “yes”)] )
(define_insn “floatsidf2” [(set (match_operand:DF 0 “s_register_operand” “=f”) (float:DF (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “flt%?d\t%0, %1” [(set_attr “type” “r_2_f”) (set_attr “predicable” “yes”)] )
(define_insn “floatsixf2” [(set (match_operand:XF 0 “s_register_operand” “=f”) (float:XF (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “flt%?e\t%0, %1” [(set_attr “type” “r_2_f”) (set_attr “predicable” “yes”)] )
(define_insn “fix_truncsfsi2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (fix:SI (match_operand:SF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “fix%?z\t%0, %1” [(set_attr “type” “f_2_r”) (set_attr “predicable” “yes”)] )
(define_insn “fix_truncdfsi2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (fix:SI (match_operand:DF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “fix%?z\t%0, %1” [(set_attr “type” “f_2_r”) (set_attr “predicable” “yes”)] )
(define_insn “fix_truncxfsi2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (fix:SI (match_operand:XF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “fix%?z\t%0, %1” [(set_attr “type” “f_2_r”) (set_attr “predicable” “yes”)] )
;; Truncation insns
(define_insn “truncdfsf2” [(set (match_operand:SF 0 “s_register_operand” “=f”) (float_truncate:SF (match_operand:DF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “mvf%?s\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “truncxfsf2” [(set (match_operand:SF 0 “s_register_operand” “=f”) (float_truncate:SF (match_operand:XF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “mvf%?s\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “truncxfdf2” [(set (match_operand:DF 0 “s_register_operand” “=f”) (float_truncate:DF (match_operand:XF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “mvf%?d\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] ) ;; Zero and sign extension instructions.
(define_insn “zero_extendsidi2” [(set (match_operand:DI 0 “s_register_operand” “=r”) (zero_extend:DI (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM” "* if (REGNO (operands[1]) != REGNO (operands[0]) + (WORDS_BIG_ENDIAN ? 1 : 0)) output_asm_insn ("mov%?\t%Q0, %1", operands); return "mov%?\t%R0, #0"; " [(set_attr “length” “8”) (set_attr “predicable” “yes”)] )
(define_insn “zero_extendqidi2” [(set (match_operand:DI 0 “s_register_operand” “=r,r”) (zero_extend:DI (match_operand:QI 1 “nonimmediate_operand” “r,m”)))] “TARGET_ARM” “@ and%?\t%Q0, %1, #255;mov%?\t%R0, #0 ldr%?b\t%Q0, %1;mov%?\t%R0, #0” [(set_attr “length” “8”) (set_attr “predicable” “yes”) (set_attr “type” “*,load”) (set_attr “pool_range” “*,4092”) (set_attr “neg_pool_range” “*,4084”)] )
(define_insn “extendsidi2” [(set (match_operand:DI 0 “s_register_operand” “=r”) (sign_extend:DI (match_operand:SI 1 “s_register_operand” “r”)))] “TARGET_ARM” "* if (REGNO (operands[1]) != REGNO (operands[0]) + (WORDS_BIG_ENDIAN ? 1 : 0)) output_asm_insn ("mov%?\t%Q0, %1", operands); return "mov%?\t%R0, %Q0, asr #31"; " [(set_attr “length” “8”) (set_attr “shift” “1”) (set_attr “predicable” “yes”)] )
(define_expand “zero_extendhisi2” [(set (match_dup 2) (ashift:SI (match_operand:HI 1 “nonimmediate_operand” "") (const_int 16))) (set (match_operand:SI 0 “s_register_operand” "") (lshiftrt:SI (match_dup 2) (const_int 16)))] “TARGET_EITHER” " { if (TARGET_ARM) { if (arm_arch4 && GET_CODE (operands[1]) == MEM) { /* Note: We do not have to worry about TARGET_MMU_TRAPS here because the insn below will generate an LDRH instruction rather than an LDR instruction, so we cannot get an unaligned word access. / emit_insn (gen_rtx_SET (VOIDmode, operands[0], gen_rtx_ZERO_EXTEND (SImode, operands[1]))); DONE; } if (TARGET_MMU_TRAPS && GET_CODE (operands[1]) == MEM) { emit_insn (gen_movhi_bytes (operands[0], operands[1])); DONE; } if (!s_register_operand (operands[1], HImode)) operands[1] = copy_to_mode_reg (HImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[2] = gen_reg_rtx (SImode); } else / TARGET_THUMB */ { if (GET_CODE (operands[1]) == MEM) { rtx tmp;
tmp = gen_rtx_ZERO_EXTEND (SImode, operands[1]);
tmp = gen_rtx_SET (VOIDmode, operands[0], tmp);
emit_insn (tmp);
}
else
{
rtx ops[3];
if (!s_register_operand (operands[1], HImode))
operands[1] = copy_to_mode_reg (HImode, operands[1]);
operands[1] = gen_lowpart (SImode, operands[1]);
operands[2] = gen_reg_rtx (SImode);
ops[0] = operands[2];
ops[1] = operands[1];
ops[2] = GEN_INT (16);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_ASHIFT (SImode, ops[1], ops[2])));
ops[0] = operands[0];
ops[1] = operands[2];
ops[2] = GEN_INT (16);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_LSHIFTRT (SImode, ops[1],
ops[2])));
}
DONE;
}
}" )
(define_insn “*thumb_zero_extendhisi2” [(set (match_operand:SI 0 “register_operand” “=l”) (zero_extend:SI (match_operand:HI 1 “memory_operand” “m”)))] “TARGET_THUMB” "* rtx mem = XEXP (operands[1], 0);
if (GET_CODE (mem) == CONST) mem = XEXP (mem, 0);
if (GET_CODE (mem) == LABEL_REF) return "ldr\t%0, %1";
if (GET_CODE (mem) == PLUS) { rtx a = XEXP (mem, 0); rtx b = XEXP (mem, 1);
/* This can happen due to bugs in reload. */
if (GET_CODE (a) == REG && REGNO (a) == SP_REGNUM)
{
rtx ops[2];
ops[0] = operands[0];
ops[1] = a;
output_asm_insn (\"mov %0, %1\", ops);
XEXP (mem, 0) = operands[0];
}
else if ( GET_CODE (a) == LABEL_REF
&& GET_CODE (b) == CONST_INT)
return \"ldr\\t%0, %1\";
}
return "ldrh\t%0, %1"; " [(set_attr “length” “4”) (set_attr “type” “load”) (set_attr “pool_range” “60”)] )
(define_insn “*arm_zero_extendhisi2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (zero_extend:SI (match_operand:HI 1 “memory_operand” “m”)))] “TARGET_ARM && arm_arch4” “ldr%?h\t%0, %1” [(set_attr “type” “load”) (set_attr “predicable” “yes”) (set_attr “pool_range” “256”) (set_attr “neg_pool_range” “244”)] )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (zero_extend:SI (match_operand:HI 1 “alignable_memory_operand” ""))) (clobber (match_operand:SI 2 “s_register_operand” ""))] “TARGET_ARM && (!arm_arch4)” [(set (match_dup 2) (match_dup 1)) (set (match_dup 0) (lshiftrt:SI (match_dup 2) (const_int 16)))] " if ((operands[1] = arm_gen_rotated_half_load (operands[1])) == NULL) FAIL; " )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (match_operator:SI 3 “shiftable_operator” [(zero_extend:SI (match_operand:HI 1 “alignable_memory_operand” "")) (match_operand:SI 4 “s_register_operand” "")])) (clobber (match_operand:SI 2 “s_register_operand” ""))] “TARGET_ARM && (!arm_arch4)” [(set (match_dup 2) (match_dup 1)) (set (match_dup 0) (match_op_dup 3 [(lshiftrt:SI (match_dup 2) (const_int 16)) (match_dup 4)]))] " if ((operands[1] = arm_gen_rotated_half_load (operands[1])) == NULL) FAIL; " )
(define_expand “zero_extendqisi2” [(set (match_operand:SI 0 “s_register_operand” "") (zero_extend:SI (match_operand:QI 1 “nonimmediate_operand” "")))] “TARGET_EITHER” " if (GET_CODE (operands[1]) != MEM) { if (TARGET_ARM) { emit_insn (gen_andsi3 (operands[0], gen_lowpart (SImode, operands[1]), GEN_INT (255))); } else /* TARGET_THUMB */ { rtx temp = gen_reg_rtx (SImode); rtx ops[3];
operands[1] = copy_to_mode_reg (QImode, operands[1]);
operands[1] = gen_lowpart (SImode, operands[1]);
ops[0] = temp;
ops[1] = operands[1];
ops[2] = GEN_INT (24);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_ASHIFT (SImode, ops[1], ops[2])));
ops[0] = operands[0];
ops[1] = temp;
ops[2] = GEN_INT (24);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_LSHIFTRT (SImode, ops[1], ops[2])));
}
DONE;
}
" )
(define_insn “*thumb_zero_extendqisi2” [(set (match_operand:SI 0 “register_operand” “=l”) (zero_extend:SI (match_operand:QI 1 “memory_operand” “m”)))] “TARGET_THUMB” “ldrb\t%0, %1” [(set_attr “length” “2”) (set_attr “type” “load”) (set_attr “pool_range” “32”)] )
(define_insn “*arm_zero_extendqisi2” [(set (match_operand:SI 0 “s_register_operand” “=r”) (zero_extend:SI (match_operand:QI 1 “memory_operand” “m”)))] “TARGET_ARM” “ldr%?b\t%0, %1\t%@ zero_extendqisi2” [(set_attr “type” “load”) (set_attr “predicable” “yes”) (set_attr “pool_range” “4096”) (set_attr “neg_pool_range” “4084”)] )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (zero_extend:SI (subreg:QI (match_operand:SI 1 "" "") 0))) (clobber (match_operand:SI 2 “s_register_operand” ""))] “TARGET_ARM && (GET_CODE (operands[1]) != MEM)” [(set (match_dup 2) (match_dup 1)) (set (match_dup 0) (and:SI (match_dup 2) (const_int 255)))] "" )
(define_insn “*compareqi_eq0” [(set (reg:CC_Z CC_REGNUM) (compare:CC_Z (match_operand:QI 0 “s_register_operand” “r”) (const_int 0)))] “TARGET_ARM” “tst\t%0, #255” [(set_attr “conds” “set”)] )
(define_expand “extendhisi2” [(set (match_dup 2) (ashift:SI (match_operand:HI 1 “nonimmediate_operand” "") (const_int 16))) (set (match_operand:SI 0 “s_register_operand” "") (ashiftrt:SI (match_dup 2) (const_int 16)))] “TARGET_EITHER” " { if (TARGET_ARM && arm_arch4 && GET_CODE (operands[1]) == MEM) { /* Note: We do not have to worry about TARGET_MMU_TRAPS here because the insn below will generate an LDRH instruction rather than an LDR instruction, so we cannot get an unaligned word access. */ emit_insn (gen_rtx_SET (VOIDmode, operands[0], gen_rtx_SIGN_EXTEND (SImode, operands[1]))); DONE; }
if (TARGET_ARM && TARGET_MMU_TRAPS && GET_CODE (operands[1]) == MEM)
{
emit_insn (gen_extendhisi2_mem (operands[0], operands[1]));
DONE;
}
if (!s_register_operand (operands[1], HImode))
operands[1] = copy_to_mode_reg (HImode, operands[1]);
operands[1] = gen_lowpart (SImode, operands[1]);
operands[2] = gen_reg_rtx (SImode);
if (TARGET_THUMB)
{
rtx ops[3];
ops[0] = operands[2];
ops[1] = operands[1];
ops[2] = GEN_INT (16);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_ASHIFT (SImode, ops[1], ops[2])));
ops[0] = operands[0];
ops[1] = operands[2];
ops[2] = GEN_INT (16);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_ASHIFTRT (SImode, ops[1], ops[2])));
DONE;
}
}" )
(define_insn “*thumb_extendhisi2_insn” [(set (match_operand:SI 0 “register_operand” “=l”) (sign_extend:SI (match_operand:HI 1 “memory_operand” “m”))) (clobber (match_scratch:SI 2 “=&l”))] “TARGET_THUMB” "* { rtx ops[4]; rtx mem = XEXP (operands[1], 0);
/* This code used to try to use 'V', and fix the address only if it was
offsettable, but this fails for e.g. REG+48 because 48 is outside the
range of QImode offsets, and offsettable_address_p does a QImode
address check. */
if (GET_CODE (mem) == CONST)
mem = XEXP (mem, 0);
if (GET_CODE (mem) == LABEL_REF)
return \"ldr\\t%0, %1\";
if (GET_CODE (mem) == PLUS)
{
rtx a = XEXP (mem, 0);
rtx b = XEXP (mem, 1);
if (GET_CODE (a) == LABEL_REF
&& GET_CODE (b) == CONST_INT)
return \"ldr\\t%0, %1\";
if (GET_CODE (b) == REG)
return \"ldrsh\\t%0, %1\";
ops[1] = a;
ops[2] = b;
}
else
{
ops[1] = mem;
ops[2] = const0_rtx;
}
if (GET_CODE (ops[1]) != REG)
{
debug_rtx (ops[1]);
abort ();
}
ops[0] = operands[0];
ops[3] = operands[2];
output_asm_insn (\"mov\\t%3, %2\;ldrsh\\t%0, [%1, %3]\", ops);
return \"\";
}" [(set_attr “length” “4”) (set_attr “type” “load”) (set_attr “pool_range” “1020”)] )
(define_expand “extendhisi2_mem” [(set (match_dup 2) (zero_extend:SI (match_operand:HI 1 "" ""))) (set (match_dup 3) (zero_extend:SI (match_dup 7))) (set (match_dup 6) (ashift:SI (match_dup 4) (const_int 24))) (set (match_operand:SI 0 "" "") (ior:SI (ashiftrt:SI (match_dup 6) (const_int 16)) (match_dup 5)))] “TARGET_ARM” " { rtx mem1, mem2; rtx addr = copy_to_mode_reg (SImode, XEXP (operands[1], 0));
mem1 = gen_rtx_MEM (QImode, addr);
MEM_COPY_ATTRIBUTES (mem1, operands[1]);
mem2 = gen_rtx_MEM (QImode, plus_constant (addr, 1));
MEM_COPY_ATTRIBUTES (mem2, operands[1]);
operands[0] = gen_lowpart (SImode, operands[0]);
operands[1] = mem1;
operands[2] = gen_reg_rtx (SImode);
operands[3] = gen_reg_rtx (SImode);
operands[6] = gen_reg_rtx (SImode);
operands[7] = mem2;
if (BYTES_BIG_ENDIAN)
{
operands[4] = operands[2];
operands[5] = operands[3];
}
else
{
operands[4] = operands[3];
operands[5] = operands[2];
}
}" )
(define_insn “*arm_extendhisi_insn” [(set (match_operand:SI 0 “s_register_operand” “=r”) (sign_extend:SI (match_operand:HI 1 “memory_operand” “m”)))] “TARGET_ARM && arm_arch4” “ldr%?sh\t%0, %1” [(set_attr “type” “load”) (set_attr “predicable” “yes”) (set_attr “pool_range” “256”) (set_attr “neg_pool_range” “244”)] )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (sign_extend:SI (match_operand:HI 1 “alignable_memory_operand” ""))) (clobber (match_operand:SI 2 “s_register_operand” ""))] “TARGET_ARM && (!arm_arch4)” [(set (match_dup 2) (match_dup 1)) (set (match_dup 0) (ashiftrt:SI (match_dup 2) (const_int 16)))] " if ((operands[1] = arm_gen_rotated_half_load (operands[1])) == NULL) FAIL; " )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (match_operator:SI 3 “shiftable_operator” [(sign_extend:SI (match_operand:HI 1 “alignable_memory_operand” "")) (match_operand:SI 4 “s_register_operand” "")])) (clobber (match_operand:SI 2 “s_register_operand” ""))] “TARGET_ARM && (!arm_arch4)” [(set (match_dup 2) (match_dup 1)) (set (match_dup 0) (match_op_dup 3 [(ashiftrt:SI (match_dup 2) (const_int 16)) (match_dup 4)]))] "if ((operands[1] = arm_gen_rotated_half_load (operands[1])) == NULL) FAIL; " )
(define_expand “extendqihi2” [(set (match_dup 2) (ashift:SI (match_operand:QI 1 “general_operand” "") (const_int 24))) (set (match_operand:HI 0 “s_register_operand” "“) (ashiftrt:SI (match_dup 2) (const_int 24)))] “TARGET_ARM” " { if (arm_arch4 && GET_CODE (operands[1]) == MEM) { emit_insn (gen_rtx_SET (VOIDmode, operands[0], gen_rtx_SIGN_EXTEND (HImode, operands[1]))); DONE; } if (!s_register_operand (operands[1], QImode)) operands[1] = copy_to_mode_reg (QImode, operands[1]); operands[0] = gen_lowpart (SImode, operands[0]); operands[1] = gen_lowpart (SImode, operands[1]); operands[2] = gen_reg_rtx (SImode); }” )
; Rather than restricting all byte accesses to memory addresses that ldrsb ; can handle, we fix up the ones that ldrsb can't grok with a split. (define_insn “*extendqihi_insn” [(set (match_operand:HI 0 “s_register_operand” “=r”) (sign_extend:HI (match_operand:QI 1 “memory_operand” “m”)))] “TARGET_ARM && arm_arch4” "* /* If the address is invalid, this will split the instruction into two. */ if (bad_signed_byte_operand (operands[1], VOIDmode)) return "#"; return "ldr%?sb\t%0, %1"; " [(set_attr “type” “load”) (set_attr “predicable” “yes”) (set_attr “length” “8”) (set_attr “pool_range” “256”) (set_attr “neg_pool_range” “244”)] )
(define_split [(set (match_operand:HI 0 “s_register_operand” "") (sign_extend:HI (match_operand:QI 1 “bad_signed_byte_operand” "")))] “TARGET_ARM && arm_arch4 && reload_completed” [(set (match_dup 3) (match_dup 1)) (set (match_dup 0) (sign_extend:HI (match_dup 2)))] " { HOST_WIDE_INT offset;
operands[3] = gen_rtx_REG (SImode, REGNO (operands[0]));
operands[2] = gen_rtx_MEM (QImode, operands[3]);
MEM_COPY_ATTRIBUTES (operands[2], operands[1]);
operands[1] = XEXP (operands[1], 0);
if (GET_CODE (operands[1]) == PLUS
&& GET_CODE (XEXP (operands[1], 1)) == CONST_INT
&& !(const_ok_for_arm (offset = INTVAL (XEXP (operands[1], 1)))
|| const_ok_for_arm (-offset)))
{
HOST_WIDE_INT low = (offset > 0
? (offset & 0xff) : -((-offset) & 0xff));
XEXP (operands[2], 0) = plus_constant (operands[3], low);
operands[1] = plus_constant (XEXP (operands[1], 0), offset - low);
}
/* Ensure the sum is in correct canonical form */
else if (GET_CODE (operands[1]) == PLUS
&& GET_CODE (XEXP (operands[1], 1)) != CONST_INT
&& !s_register_operand (XEXP (operands[1], 1), VOIDmode))
operands[1] = gen_rtx_PLUS (GET_MODE (operands[1]),
XEXP (operands[1], 1),
XEXP (operands[1], 0));
}" )
(define_expand “extendqisi2” [(set (match_dup 2) (ashift:SI (match_operand:QI 1 “general_operand” "") (const_int 24))) (set (match_operand:SI 0 “s_register_operand” "") (ashiftrt:SI (match_dup 2) (const_int 24)))] “TARGET_EITHER” " { if (TARGET_ARM && arm_arch4 && GET_CODE (operands[1]) == MEM) { emit_insn (gen_rtx_SET (VOIDmode, operands[0], gen_rtx_SIGN_EXTEND (SImode, operands[1]))); DONE; } if (!s_register_operand (operands[1], QImode)) operands[1] = copy_to_mode_reg (QImode, operands[1]); operands[1] = gen_lowpart (SImode, operands[1]); operands[2] = gen_reg_rtx (SImode);
if (TARGET_THUMB)
{
rtx ops[3];
ops[0] = operands[2];
ops[1] = operands[1];
ops[2] = GEN_INT (24);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_ASHIFT (SImode, ops[1], ops[2])));
ops[0] = operands[0];
ops[1] = operands[2];
ops[2] = GEN_INT (24);
emit_insn (gen_rtx_SET (VOIDmode, ops[0],
gen_rtx_ASHIFTRT (SImode, ops[1], ops[2])));
DONE;
}
}" )
; Rather than restricting all byte accesses to memory addresses that ldrsb ; can handle, we fix up the ones that ldrsb can't grok with a split. (define_insn “*arm_extendqisi_insn” [(set (match_operand:SI 0 “s_register_operand” “=r”) (sign_extend:SI (match_operand:QI 1 “memory_operand” “m”)))] “TARGET_ARM && arm_arch4” "* /* If the address is invalid, this will split the instruction into two. */ if (bad_signed_byte_operand (operands[1], VOIDmode)) return "#"; return "ldr%?sb\t%0, %1"; " [(set_attr “type” “load”) (set_attr “predicable” “yes”) (set_attr “length” “8”) (set_attr “pool_range” “256”) (set_attr “neg_pool_range” “244”)] )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (sign_extend:SI (match_operand:QI 1 “bad_signed_byte_operand” "")))] “TARGET_ARM && arm_arch4 && reload_completed” [(set (match_dup 0) (match_dup 1)) (set (match_dup 0) (sign_extend:SI (match_dup 2)))] " { HOST_WIDE_INT offset;
operands[2] = gen_rtx_MEM (QImode, operands[0]);
MEM_COPY_ATTRIBUTES (operands[2], operands[1]);
operands[1] = XEXP (operands[1], 0);
if (GET_CODE (operands[1]) == PLUS
&& GET_CODE (XEXP (operands[1], 1)) == CONST_INT
&& !(const_ok_for_arm (offset = INTVAL (XEXP (operands[1], 1)))
|| const_ok_for_arm (-offset)))
{
HOST_WIDE_INT low = (offset > 0
? (offset & 0xff) : -((-offset) & 0xff));
XEXP (operands[2], 0) = plus_constant (operands[0], low);
operands[1] = plus_constant (XEXP (operands[1], 0), offset - low);
}
/* Ensure the sum is in correct canonical form */
else if (GET_CODE (operands[1]) == PLUS
&& GET_CODE (XEXP (operands[1], 1)) != CONST_INT
&& !s_register_operand (XEXP (operands[1], 1), VOIDmode))
operands[1] = gen_rtx_PLUS (GET_MODE (operands[1]),
XEXP (operands[1], 1),
XEXP (operands[1], 0));
}" )
(define_insn “*thumb_extendqisi2_insn” [(set (match_operand:SI 0 “register_operand” “=l,l”) (sign_extend:SI (match_operand:QI 1 “memory_operand” “V,m”)))] “TARGET_THUMB” "* { rtx ops[3]; rtx mem = XEXP (operands[1], 0);
if (GET_CODE (mem) == CONST)
mem = XEXP (mem, 0);
if (GET_CODE (mem) == LABEL_REF)
return \"ldr\\t%0, %1\";
if (GET_CODE (mem) == PLUS
&& GET_CODE (XEXP (mem, 0)) == LABEL_REF)
return \"ldr\\t%0, %1\";
if (which_alternative == 0)
return \"ldrsb\\t%0, %1\";
ops[0] = operands[0];
if (GET_CODE (mem) == PLUS)
{
rtx a = XEXP (mem, 0);
rtx b = XEXP (mem, 1);
ops[1] = a;
ops[2] = b;
if (GET_CODE (a) == REG)
{
if (GET_CODE (b) == REG)
output_asm_insn (\"ldrsb\\t%0, [%1, %2]\", ops);
else if (REGNO (a) == REGNO (ops[0]))
{
output_asm_insn (\"ldrb\\t%0, [%1, %2]\", ops);
output_asm_insn (\"lsl\\t%0, %0, #24\", ops);
output_asm_insn (\"asr\\t%0, %0, #24\", ops);
}
else
output_asm_insn (\"mov\\t%0, %2\;ldrsb\\t%0, [%1, %0]\", ops);
}
else if (GET_CODE (b) != REG)
abort ();
else
{
if (REGNO (b) == REGNO (ops[0]))
{
output_asm_insn (\"ldrb\\t%0, [%2, %1]\", ops);
output_asm_insn (\"lsl\\t%0, %0, #24\", ops);
output_asm_insn (\"asr\\t%0, %0, #24\", ops);
}
else
output_asm_insn (\"mov\\t%0, %2\;ldrsb\\t%0, [%1, %0]\", ops);
}
}
else if (GET_CODE (mem) == REG && REGNO (ops[0]) == REGNO (mem))
{
output_asm_insn (\"ldrb\\t%0, [%0, #0]\", ops);
output_asm_insn (\"lsl\\t%0, %0, #24\", ops);
output_asm_insn (\"asr\\t%0, %0, #24\", ops);
}
else
{
ops[1] = mem;
ops[2] = const0_rtx;
output_asm_insn (\"mov\\t%0, %2\;ldrsb\\t%0, [%1, %0]\", ops);
}
return \"\";
}" [(set_attr “length” “2,6”) (set_attr “type” “load,load”) (set_attr “pool_range” “32,32”)] )
(define_insn “extendsfdf2” [(set (match_operand:DF 0 “s_register_operand” “=f”) (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “mvf%?d\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “extendsfxf2” [(set (match_operand:XF 0 “s_register_operand” “=f”) (float_extend:XF (match_operand:SF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “mvf%?e\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
(define_insn “extenddfxf2” [(set (match_operand:XF 0 “s_register_operand” “=f”) (float_extend:XF (match_operand:DF 1 “s_register_operand” “f”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “mvf%?e\t%0, %1” [(set_attr “type” “ffarith”) (set_attr “predicable” “yes”)] )
;; Move insns (including loads and stores)
;; XXX Just some ideas about movti. ;; I don‘t think these are a good idea on the arm, there just aren’t enough ;; registers ;;(define_expand “loadti” ;; [(set (match_operand:TI 0 “s_register_operand” "") ;; (mem:TI (match_operand:SI 1 “address_operand” "")))] ;; "" "")
;;(define_expand “storeti” ;; [(set (mem:TI (match_operand:TI 0 “address_operand” "")) ;; (match_operand:TI 1 “s_register_operand” ""))] ;; "" "")
;;(define_expand “movti” ;; [(set (match_operand:TI 0 “general_operand” "") ;; (match_operand:TI 1 “general_operand” "“))] ;; "" ;; " ;;{ ;; rtx insn; ;; ;; if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM) ;; operands[1] = copy_to_reg (operands[1]); ;; if (GET_CODE (operands[0]) == MEM) ;; insn = gen_storeti (XEXP (operands[0], 0), operands[1]); ;; else if (GET_CODE (operands[1]) == MEM) ;; insn = gen_loadti (operands[0], XEXP (operands[1], 0)); ;; else ;; FAIL; ;; ;; emit_insn (insn); ;; DONE; ;;}”)
;; Recognise garbage generated above.
;;(define_insn "" ;; [(set (match_operand:TI 0 “general_operand” “=r,r,r,<,>,m”) ;; (match_operand:TI 1 “general_operand” “<,>,m,r,r,r”))] ;; "" ;; “* ;; { ;; register mem = (which_alternative < 3); ;; register const char *template; ;; ;; operands[mem] = XEXP (operands[mem], 0); ;; switch (which_alternative) ;; { ;; case 0: template = "ldmdb\t%1!, %M0"; break; ;; case 1: template = "ldmia\t%1!, %M0"; break; ;; case 2: template = "ldmia\t%1, %M0"; break; ;; case 3: template = "stmdb\t%0!, %M1"; break; ;; case 4: template = "stmia\t%0!, %M1"; break; ;; case 5: template = "stmia\t%0, %M1"; break; ;; } ;; output_asm_insn (template, operands); ;; return ""; ;; }”)
(define_expand “movdi” [(set (match_operand:DI 0 “general_operand” "") (match_operand:DI 1 “general_operand” ""))] “TARGET_EITHER” " if (TARGET_THUMB) { if (!no_new_pseudos) { if (GET_CODE (operands[0]) != REG) operands[1] = force_reg (DImode, operands[1]); } } " )
(define_insn “*arm_movdi” [(set (match_operand:DI 0 “nonimmediate_di_operand” “=r, r, o<>”) (match_operand:DI 1 “di_operand” “rIK,mi,r”))] “TARGET_ARM” "* return (output_move_double (operands)); " [(set_attr “length” “8”) (set_attr “type” “*,load,store2”) (set_attr “pool_range” “,1020,”) (set_attr “neg_pool_range” “,1012,”)] )
;;; ??? This should have alternatives for constants. ;;; ??? This was originally identical to the movdf_insn pattern. ;;; ??? The ‘i’ constraint looks funny, but it should always be replaced by ;;; thumb_reorg with a memory reference. (define_insn “*thumb_movdi_insn” [(set (match_operand:DI 0 “nonimmediate_operand” “=l,l,l,l,>,l, m,*r”) (match_operand:DI 1 “general_operand” “l, I,J,>,l,mi,l,*r”))] “TARGET_THUMB && ( register_operand (operands[0], DImode) || register_operand (operands[1], DImode))” “* { switch (which_alternative) { default: case 0: if (REGNO (operands[1]) == REGNO (operands[0]) + 1) return "add\t%0, %1, #0;add\t%H0, %H1, #0"; return "add\t%H0, %H1, #0;add\t%0, %1, #0"; case 1: return "mov\t%Q0, %1;mov\t%R0, #0"; case 2: operands[1] = GEN_INT (- INTVAL (operands[1])); return "mov\t%Q0, %1;neg\t%Q0, %Q0;asr\t%R0, %Q0, #31"; case 3: return "ldmia\t%1, {%0, %H0}"; case 4: return "stmia\t%0, {%1, %H1}"; case 5: return thumb_load_double_from_address (operands); case 6: operands[2] = gen_rtx (MEM, SImode, plus_constant (XEXP (operands[0], 0), 4)); output_asm_insn ("str\t%1, %0;str\t%H1, %2", operands); return ""; case 7: if (REGNO (operands[1]) == REGNO (operands[0]) + 1) return "mov\t%0, %1;mov\t%H0, %H1"; return "mov\t%H0, %H1;mov\t%0, %1"; } }” [(set_attr “length” “4,4,6,2,2,6,4,4”) (set_attr “type” “,,,load,store2,load,store2,”) (set_attr “pool_range” “,,,,,1020,,*”)] )
(define_expand “movsi” [(set (match_operand:SI 0 “general_operand” "") (match_operand:SI 1 “general_operand” ""))] “TARGET_EITHER” " if (TARGET_ARM) { /* Everything except mem = const or mem = mem can be done easily / if (GET_CODE (operands[0]) == MEM) operands[1] = force_reg (SImode, operands[1]); if (GET_CODE (operands[1]) == CONST_INT && !(const_ok_for_arm (INTVAL (operands[1])) || const_ok_for_arm (~INTVAL (operands[1])))) { arm_split_constant (SET, SImode, INTVAL (operands[1]), operands[0], NULL_RTX, (no_new_pseudos ? 0 : preserve_subexpressions_p ())); DONE; } } else / TARGET_THUMB.... */ { if (!no_new_pseudos) { if (GET_CODE (operands[0]) != REG) operands[1] = force_reg (SImode, operands[1]); } }
if (flag_pic && (CONSTANT_P (operands[1]) || symbol_mentioned_p (operands[1]) || label_mentioned_p (operands[1]))) operands[1] = legitimize_pic_address (operands[1], SImode, (no_new_pseudos ? operands[0] : 0)); " )
(define_insn “*arm_movsi_insn” [(set (match_operand:SI 0 “nonimmediate_operand” “=r,r,r, m”) (match_operand:SI 1 “general_operand” “rI,K,mi,r”))] “TARGET_ARM && ( register_operand (operands[0], SImode) || register_operand (operands[1], SImode))” “@ mov%?\t%0, %1 mvn%?\t%0, #%B1 ldr%?\t%0, %1 str%?\t%1, %0” [(set_attr “type” “,,load,store1”) (set_attr “predicable” “yes”) (set_attr “pool_range” “,,4096,*”) (set_attr “neg_pool_range” “,,4084,*”)] )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (match_operand:SI 1 “const_int_operand” ""))] “TARGET_ARM && (!(const_ok_for_arm (INTVAL (operands[1])) || const_ok_for_arm (~INTVAL (operands[1]))))” [(clobber (const_int 0))] " arm_split_constant (SET, SImode, INTVAL (operands[1]), operands[0], NULL_RTX, 0); DONE; " )
(define_insn “*thumb_movsi_insn” [(set (match_operand:SI 0 “nonimmediate_operand” “=l,l,l,l,l,>,l, m,*lh”) (match_operand:SI 1 “general_operand” “l, I,J,K,>,l,mi,l,*lh”))] “TARGET_THUMB && ( register_operand (operands[0], SImode) || register_operand (operands[1], SImode))” "@ mov %0, %1 mov %0, %1
ldmia\t%1, {%0} stmia\t%0, {%1} ldr\t%0, %1 str\t%1, %0 mov\t%0, %1" [(set_attr “length” “2,2,4,4,2,2,2,2,2”) (set_attr “type” “,,,,load,store1,load,store1,*”) (set_attr “pool_range” “,,,,,,1020,,”)] )
(define_split [(set (match_operand:SI 0 “register_operand” "") (match_operand:SI 1 “const_int_operand” ""))] “TARGET_THUMB && CONST_OK_FOR_THUMB_LETTER (INTVAL (operands[1]), ‘J’)” [(set (match_dup 0) (match_dup 1)) (set (match_dup 0) (neg:SI (match_dup 0)))] “operands[1] = GEN_INT (- INTVAL (operands[1]));” )
(define_split [(set (match_operand:SI 0 “register_operand” "") (match_operand:SI 1 “const_int_operand” ""))] “TARGET_THUMB && CONST_OK_FOR_THUMB_LETTER (INTVAL (operands[1]), ‘K’)” [(set (match_dup 0) (match_dup 1)) (set (match_dup 0) (ashift:SI (match_dup 0) (match_dup 2)))] " { unsigned HOST_WIDE_INT val = INTVAL (operands[1]); unsigned HOST_WIDE_INT mask = 0xff; int i;
for (i = 0; i < 25; i++)
if ((val & (mask << i)) == val)
break;
if (i == 0)
FAIL;
operands[1] = GEN_INT (val >> i);
operands[2] = GEN_INT (i);
}" )
(define_expand “movaddr” [(set (match_operand:SI 0 “s_register_operand” "") (match_operand:DI 1 “address_operand” ""))] “TARGET_ARM” "" )
(define_insn “*movaddr_insn” [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operand:DI 1 “address_operand” “p”))] “TARGET_ARM && reload_completed && (GET_CODE (operands[1]) == LABEL_REF || (GET_CODE (operands[1]) == CONST && GET_CODE (XEXP (operands[1], 0)) == PLUS && GET_CODE (XEXP (XEXP (operands[1], 0), 0)) == LABEL_REF && GET_CODE (XEXP (XEXP (operands[1], 0), 1)) == CONST_INT))” “adr%?\t%0, %a1” [(set_attr “predicable” “yes”)] )
;; When generating pic, we need to load the symbol offset into a register. ;; So that the optimizer does not confuse this with a normal symbol load ;; we use an unspec. The offset will be loaded from a constant pool entry, ;; since that is the only type of relocation we can use.
;; The rather odd constraints on the following are to force reload to leave ;; the insn alone, and to force the minipool generation pass to then move ;; the GOT symbol to memory.
(define_insn “pic_load_addr_arm” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unspec:SI [(match_operand:SI 1 "" “mX”)] UNSPEC_PIC_SYM))] “TARGET_ARM && flag_pic” “ldr%?\t%0, %1” [(set_attr “type” “load”) (set (attr “pool_range”) (const_int 4096)) (set (attr “neg_pool_range”) (const_int 4084))] )
(define_insn “pic_load_addr_thumb” [(set (match_operand:SI 0 “s_register_operand” “=l”) (unspec:SI [(match_operand:SI 1 "" “mX”)] UNSPEC_PIC_SYM))] “TARGET_THUMB && flag_pic” “ldr\t%0, %1” [(set_attr “type” “load”) (set (attr “pool_range”) (const_int 1024))] )
;; This variant is used for AOF assembly, since it needs to mention the ;; pic register in the rtl. (define_expand “pic_load_addr_based” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unspec:SI [(match_operand 1 "" "") (match_dup 2)] UNSPEC_PIC_SYM))] “TARGET_ARM && flag_pic” “operands[2] = pic_offset_table_rtx;” )
(define_insn “*pic_load_addr_based_insn” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unspec:SI [(match_operand 1 "" "") (match_operand 2 “s_register_operand” “r”)] UNSPEC_PIC_SYM))] “TARGET_EITHER && flag_pic && operands[2] == pic_offset_table_rtx” "* #ifdef AOF_ASSEMBLER operands[1] = aof_pic_entry (operands[1]); #endif output_asm_insn ("ldr%?\t%0, %a1", operands); return ""; " [(set_attr “type” “load”) (set (attr “pool_range”) (if_then_else (eq_attr “is_thumb” “yes”) (const_int 1024) (const_int 4096))) (set (attr “neg_pool_range”) (if_then_else (eq_attr “is_thumb” “yes”) (const_int 0) (const_int 4084)))] )
(define_insn “pic_add_dot_plus_four” [(set (match_operand:SI 0 “register_operand” “+r”) (plus:SI (match_dup 0) (const (plus:SI (pc) (const_int 4))))) (use (label_ref (match_operand 1 "" "")))] “TARGET_THUMB && flag_pic” "* ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L", CODE_LABEL_NUMBER (operands[1])); return "add\t%0, %|pc"; " [(set_attr “length” “2”)] )
(define_insn “pic_add_dot_plus_eight” [(set (match_operand:SI 0 “register_operand” “+r”) (plus:SI (match_dup 0) (const (plus:SI (pc) (const_int 8))))) (use (label_ref (match_operand 1 "" "")))] “TARGET_ARM && flag_pic” "* ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L", CODE_LABEL_NUMBER (operands[1])); return "add%?\t%0, %|pc, %0"; " [(set_attr “predicable” “yes”)] )
(define_expand “builtin_setjmp_receiver” [(label_ref (match_operand 0 "" "“))] “flag_pic” " { arm_finalize_pic (0); DONE; }”)
;; If copying one reg to another we can set the condition codes according to ;; its value. Such a move is common after a return from subroutine and the ;; result is being tested against zero.
(define_insn “*movsi_compare0” [(set (reg:CC CC_REGNUM) (compare:CC (match_operand:SI 1 “s_register_operand” “0,r”) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r,r”) (match_dup 1))] “TARGET_ARM” “@ cmp%?\t%0, #0 sub%?s\t%0, %1, #0” [(set_attr “conds” “set”)] )
;; Subroutine to store a half word from a register into memory. ;; Operand 0 is the source register (HImode) ;; Operand 1 is the destination address in a register (SImode)
;; In both this routine and the next, we must be careful not to spill ;; a memory address of reg+large_const into a separate PLUS insn, since this ;; can generate unrecognizable rtl.
(define_expand “storehi” [;; store the low byte (set (match_operand 1 "" "") (match_dup 3)) ;; extract the high byte (set (match_dup 2) (ashiftrt:SI (match_operand 0 "" "") (const_int 8))) ;; store the high byte (set (match_dup 4) (subreg:QI (match_dup 2) 0))] ;explicit subreg safe “TARGET_ARM” " { rtx op1 = operands[1]; rtx addr = XEXP (op1, 0); enum rtx_code code = GET_CODE (addr);
if ((code == PLUS && GET_CODE (XEXP (addr, 1)) != CONST_INT) || code == MINUS) op1 = replace_equiv_address (operands[1], force_reg (SImode, addr)); operands[4] = adjust_address (op1, QImode, 1); operands[1] = adjust_address (operands[1], QImode, 0); operands[3] = gen_lowpart (QImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[2] = gen_reg_rtx (SImode);
}" )
(define_expand “storehi_bigend” [(set (match_dup 4) (match_dup 3)) (set (match_dup 2) (ashiftrt:SI (match_operand 0 "" "") (const_int 8))) (set (match_operand 1 "" "") (subreg:QI (match_dup 2) 0))] “TARGET_ARM” " { rtx op1 = operands[1]; rtx addr = XEXP (op1, 0); enum rtx_code code = GET_CODE (addr);
if ((code == PLUS && GET_CODE (XEXP (addr, 1)) != CONST_INT) || code == MINUS) op1 = replace_equiv_address (op1, force_reg (SImode, addr)); operands[4] = adjust_address (op1, QImode, 1); operands[1] = adjust_address (operands[1], QImode, 0); operands[3] = gen_lowpart (QImode, operands[0]); operands[0] = gen_lowpart (SImode, operands[0]); operands[2] = gen_reg_rtx (SImode);
}" )
;; Subroutine to store a half word integer constant into memory. (define_expand “storeinthi” [(set (match_operand 0 "" "") (subreg:QI (match_operand 1 "" "") 0)) (set (match_dup 3) (subreg:QI (match_dup 2) 0))] “TARGET_ARM” " { HOST_WIDE_INT value = INTVAL (operands[1]); rtx addr = XEXP (operands[0], 0); rtx op0 = operands[0]; enum rtx_code code = GET_CODE (addr);
if ((code == PLUS && GET_CODE (XEXP (addr, 1)) != CONST_INT)
|| code == MINUS)
op0 = replace_equiv_address (op0, force_reg (SImode, addr));
operands[1] = gen_reg_rtx (SImode);
if (BYTES_BIG_ENDIAN)
{
emit_insn (gen_movsi (operands[1], GEN_INT ((value >> 8) & 255)));
if ((value & 255) == ((value >> 8) & 255))
operands[2] = operands[1];
else
{
operands[2] = gen_reg_rtx (SImode);
emit_insn (gen_movsi (operands[2], GEN_INT (value & 255)));
}
}
else
{
emit_insn (gen_movsi (operands[1], GEN_INT (value & 255)));
if ((value & 255) == ((value >> 8) & 255))
operands[2] = operands[1];
else
{
operands[2] = gen_reg_rtx (SImode);
emit_insn (gen_movsi (operands[2], GEN_INT ((value >> 8) & 255)));
}
}
operands[3] = adjust_address (op0, QImode, 1);
operands[0] = adjust_address (operands[0], QImode, 0);
}" )
(define_expand “storehi_single_op” [(set (match_operand:HI 0 “memory_operand” "") (match_operand:HI 1 “general_operand” ""))] “TARGET_ARM && arm_arch4” " if (!s_register_operand (operands[1], HImode)) operands[1] = copy_to_mode_reg (HImode, operands[1]); " )
(define_expand “movhi” [(set (match_operand:HI 0 “general_operand” "") (match_operand:HI 1 “general_operand” ""))] “TARGET_EITHER” " if (TARGET_ARM) { if (!no_new_pseudos) { if (GET_CODE (operands[0]) == MEM) { if (arm_arch4) { emit_insn (gen_storehi_single_op (operands[0], operands[1])); DONE; } if (GET_CODE (operands[1]) == CONST_INT) emit_insn (gen_storeinthi (operands[0], operands[1])); else { if (GET_CODE (operands[1]) == MEM) operands[1] = force_reg (HImode, operands[1]); if (BYTES_BIG_ENDIAN) emit_insn (gen_storehi_bigend (operands[1], operands[0])); else emit_insn (gen_storehi (operands[1], operands[0])); } DONE; } /* Sign extend a constant, and keep it in an SImode reg. */ else if (GET_CODE (operands[1]) == CONST_INT) { rtx reg = gen_reg_rtx (SImode); HOST_WIDE_INT val = INTVAL (operands[1]) & 0xffff;
/* If the constant is already valid, leave it alone. */
if (!const_ok_for_arm (val))
{
/* If setting all the top bits will make the constant
loadable in a single instruction, then set them.
Otherwise, sign extend the number. */
if (const_ok_for_arm (~(val | ~0xffff)))
val |= ~0xffff;
else if (val & 0x8000)
val |= ~0xffff;
}
emit_insn (gen_movsi (reg, GEN_INT (val)));
operands[1] = gen_rtx_SUBREG (HImode, reg, 0);
}
else if (!arm_arch4)
{
/* Note: We do not have to worry about TARGET_MMU_TRAPS
for v4 and up architectures because LDRH instructions will
be used to access the HI values, and these cannot generate
unaligned word access faults in the MMU. */
if (GET_CODE (operands[1]) == MEM)
{
if (TARGET_MMU_TRAPS)
{
rtx base;
rtx offset = const0_rtx;
rtx reg = gen_reg_rtx (SImode);
if ((GET_CODE (base = XEXP (operands[1], 0)) == REG
|| (GET_CODE (base) == PLUS
&& (GET_CODE (offset = XEXP (base, 1))
== CONST_INT)
&& ((INTVAL(offset) & 1) != 1)
&& GET_CODE (base = XEXP (base, 0)) == REG))
&& REGNO_POINTER_ALIGN (REGNO (base)) >= 32)
{
HOST_WIDE_INT new_offset = INTVAL (offset) & ~3;
rtx new;
new = gen_rtx_MEM (SImode,
plus_constant (base, new_offset));
MEM_COPY_ATTRIBUTES (new, operands[1]);
emit_insn (gen_movsi (reg, new));
if (((INTVAL (offset) & 2) != 0)
^ (BYTES_BIG_ENDIAN ? 1 : 0))
{
rtx reg2 = gen_reg_rtx (SImode);
emit_insn (gen_lshrsi3 (reg2, reg,
GEN_INT (16)));
reg = reg2;
}
}
else
emit_insn (gen_movhi_bytes (reg, operands[1]));
operands[1] = gen_lowpart (HImode, reg);
}
else if (BYTES_BIG_ENDIAN)
{
rtx base;
rtx offset = const0_rtx;
if ((GET_CODE (base = XEXP (operands[1], 0)) == REG
|| (GET_CODE (base) == PLUS
&& (GET_CODE (offset = XEXP (base, 1))
== CONST_INT)
&& GET_CODE (base = XEXP (base, 0)) == REG))
&& REGNO_POINTER_ALIGN (REGNO (base)) >= 32)
{
rtx reg = gen_reg_rtx (SImode);
rtx new;
if ((INTVAL (offset) & 2) == 2)
{
HOST_WIDE_INT new_offset = INTVAL (offset) ^ 2;
new = gen_rtx_MEM (SImode,
plus_constant (base,
new_offset));
MEM_COPY_ATTRIBUTES (new, operands[1]);
emit_insn (gen_movsi (reg, new));
}
else
{
new = gen_rtx_MEM (SImode,
XEXP (operands[1], 0));
MEM_COPY_ATTRIBUTES (new, operands[1]);
emit_insn (gen_rotated_loadsi (reg, new));
}
operands[1] = gen_lowpart (HImode, reg);
}
else
{
emit_insn (gen_movhi_bigend (operands[0],
operands[1]));
DONE;
}
}
}
}
}
/* Handle loading a large integer during reload */
else if (GET_CODE (operands[1]) == CONST_INT
&& !const_ok_for_arm (INTVAL (operands[1]))
&& !const_ok_for_arm (~INTVAL (operands[1])))
{
/* Writing a constant to memory needs a scratch, which should
be handled with SECONDARY_RELOADs. */
if (GET_CODE (operands[0]) != REG)
abort ();
operands[0] = gen_rtx_SUBREG (SImode, operands[0], 0);
emit_insn (gen_movsi (operands[0], operands[1]));
DONE;
}
}
else /* TARGET_THUMB */ { if (!no_new_pseudos) { if (GET_CODE (operands[0]) != REG) operands[1] = force_reg (HImode, operands[1]);
/* ??? We shouldn't really get invalid addresses here, but this can
happen if we are passed a SP (never OK for HImode/QImode) or
virtual register (rejected by GO_IF_LEGITIMATE_ADDRESS for
HImode/QImode) relative address. */
/* ??? This should perhaps be fixed elsewhere, for instance, in
fixup_stack_1, by checking for other kinds of invalid addresses,
e.g. a bare reference to a virtual register. This may confuse the
alpha though, which must handle this case differently. */
if (GET_CODE (operands[0]) == MEM
&& !memory_address_p (GET_MODE (operands[0]),
XEXP (operands[0], 0)))
operands[0]
= replace_equiv_address (operands[0],
copy_to_reg (XEXP (operands[0], 0)));
if (GET_CODE (operands[1]) == MEM
&& !memory_address_p (GET_MODE (operands[1]),
XEXP (operands[1], 0)))
operands[1]
= replace_equiv_address (operands[1],
copy_to_reg (XEXP (operands[1], 0)));
}
/* Handle loading a large integer during reload */
else if (GET_CODE (operands[1]) == CONST_INT
&& !CONST_OK_FOR_THUMB_LETTER (INTVAL (operands[1]), 'I'))
{
/* Writing a constant to memory needs a scratch, which should
be handled with SECONDARY_RELOADs. */
if (GET_CODE (operands[0]) != REG)
abort ();
operands[0] = gen_rtx (SUBREG, SImode, operands[0], 0);
emit_insn (gen_movsi (operands[0], operands[1]));
DONE;
}
}
" )
(define_insn “*thumb_movhi_insn” [(set (match_operand:HI 0 “nonimmediate_operand” “=l,l, m,*r,*h,l”) (match_operand:HI 1 “general_operand” “l,mn,l,*h,*r,I”))] “TARGET_THUMB && ( register_operand (operands[0], HImode) || register_operand (operands[1], HImode))” "* switch (which_alternative) { case 0: return "add %0, %1, #0"; case 2: return "strh %1, %0"; case 3: return "mov %0, %1"; case 4: return "mov %0, %1"; case 5: return "mov %0, %1"; default: abort (); case 1: /* The stack pointer can end up being taken as an index register. Catch this case here and deal with it. */ if (GET_CODE (XEXP (operands[1], 0)) == PLUS && GET_CODE (XEXP (XEXP (operands[1], 0), 0)) == REG && REGNO (XEXP (XEXP (operands[1], 0), 0)) == SP_REGNUM) { rtx ops[2]; ops[0] = operands[0]; ops[1] = XEXP (XEXP (operands[1], 0), 0);
output_asm_insn (\"mov %0, %1\", ops);
XEXP (XEXP (operands[1], 0), 0) = operands[0];
}
return \"ldrh %0, %1\";
}"
[(set_attr “length” “2,4,2,2,2,2”) (set_attr “type” “,load,store1,,,”) (set_attr “pool_range” “,64,,,,*”)] )
(define_insn “rotated_loadsi” [(set (match_operand:SI 0 “s_register_operand” “=r”) (rotate:SI (match_operand:SI 1 “offsettable_memory_operand” “o”) (const_int 16)))] “TARGET_ARM && (!TARGET_MMU_TRAPS)” "* { rtx ops[2];
ops[0] = operands[0]; ops[1] = gen_rtx_MEM (SImode, plus_constant (XEXP (operands[1], 0), 2)); output_asm_insn (\"ldr%?\\t%0, %1\\t%@ load-rotate\", ops); return \"\";
}" [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_expand “movhi_bytes” [(set (match_dup 2) (zero_extend:SI (match_operand:HI 1 "" ""))) (set (match_dup 3) (zero_extend:SI (match_dup 6))) (set (match_operand:SI 0 "" "") (ior:SI (ashift:SI (match_dup 4) (const_int 8)) (match_dup 5)))] “TARGET_ARM” " { rtx mem1, mem2; rtx addr = copy_to_mode_reg (SImode, XEXP (operands[1], 0));
mem1 = gen_rtx_MEM (QImode, addr);
MEM_COPY_ATTRIBUTES (mem1, operands[1]);
mem2 = gen_rtx_MEM (QImode, plus_constant (addr, 1));
MEM_COPY_ATTRIBUTES (mem2, operands[1]);
operands[0] = gen_lowpart (SImode, operands[0]);
operands[1] = mem1;
operands[2] = gen_reg_rtx (SImode);
operands[3] = gen_reg_rtx (SImode);
operands[6] = mem2;
if (BYTES_BIG_ENDIAN)
{
operands[4] = operands[2];
operands[5] = operands[3];
}
else
{
operands[4] = operands[3];
operands[5] = operands[2];
}
}" )
(define_expand “movhi_bigend” [(set (match_dup 2) (rotate:SI (subreg:SI (match_operand:HI 1 “memory_operand” "") 0) (const_int 16))) (set (match_dup 3) (ashiftrt:SI (match_dup 2) (const_int 16))) (set (match_operand:HI 0 “s_register_operand” "") (subreg:HI (match_dup 3) 0))] “TARGET_ARM” " operands[2] = gen_reg_rtx (SImode); operands[3] = gen_reg_rtx (SImode); " )
;; Pattern to recognise insn generated default case above (define_insn “*movhi_insn_arch4” [(set (match_operand:HI 0 “nonimmediate_operand” “=r,r,m,r”)
(match_operand:HI 1 “general_operand” “rI,K,r,m”))]
“TARGET_ARM && arm_arch4 && (GET_CODE (operands[1]) != CONST_INT || const_ok_for_arm (INTVAL (operands[1])) || const_ok_for_arm (~INTVAL (operands[1])))” “@ mov%?\t%0, %1\t%@ movhi mvn%?\t%0, #%B1\t%@ movhi str%?h\t%1, %0\t%@ movhi ldr%?h\t%0, %1\t%@ movhi” [(set_attr “type” “,,store1,load”) (set_attr “predicable” “yes”) (set_attr “pool_range” “,,*,256”) (set_attr “neg_pool_range” “,,*,244”)] )
(define_insn “*movhi_insn_littleend” [(set (match_operand:HI 0 “s_register_operand” “=r,r,r”) (match_operand:HI 1 “general_operand” “rI,K,m”))] “TARGET_ARM && !arm_arch4 && !BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS && (GET_CODE (operands[1]) != CONST_INT || const_ok_for_arm (INTVAL (operands[1])) || const_ok_for_arm (~INTVAL (operands[1])))” “@ mov%?\t%0, %1\t%@ movhi mvn%?\t%0, #%B1\t%@ movhi ldr%?\t%0, %1\t%@ movhi” [(set_attr “type” “,,load”) (set_attr “predicable” “yes”) (set_attr “pool_range” “4096”) (set_attr “neg_pool_range” “4084”)] )
(define_insn “*movhi_insn_bigend” [(set (match_operand:HI 0 “s_register_operand” “=r,r,r”) (match_operand:HI 1 “general_operand” “rI,K,m”))] “TARGET_ARM && !arm_arch4 && BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS && (GET_CODE (operands[1]) != CONST_INT || const_ok_for_arm (INTVAL (operands[1])) || const_ok_for_arm (~INTVAL (operands[1])))” “@ mov%?\t%0, %1\t%@ movhi mvn%?\t%0, #%B1\t%@ movhi ldr%?\t%0, %1\t%@ movhi_bigend;mov%?\t%0, %0, asr #16” [(set_attr “type” “,,load”) (set_attr “predicable” “yes”) (set_attr “length” “4,4,8”) (set_attr “pool_range” “,,4092”) (set_attr “neg_pool_range” “,,4084”)] )
(define_insn “*loadhi_si_bigend” [(set (match_operand:SI 0 “s_register_operand” “=r”) (rotate:SI (subreg:SI (match_operand:HI 1 “memory_operand” “m”) 0) (const_int 16)))] “TARGET_ARM && BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS” “ldr%?\t%0, %1\t%@ movhi_bigend” [(set_attr “type” “load”) (set_attr “predicable” “yes”) (set_attr “pool_range” “4096”) (set_attr “neg_pool_range” “4084”)] )
(define_insn “*movhi_bytes” [(set (match_operand:HI 0 “s_register_operand” “=r,r”) (match_operand:HI 1 “arm_rhs_operand” “rI,K”))] “TARGET_ARM && TARGET_MMU_TRAPS” “@ mov%?\t%0, %1\t%@ movhi mvn%?\t%0, #%B1\t%@ movhi” [(set_attr “predicable” “yes”)] )
(define_insn “thumb_movhi_clobber” [(set (match_operand:HI 0 “memory_operand” “=m”) (match_operand:HI 1 “register_operand” “l”)) (clobber (match_operand:SI 2 “register_operand” “=&l”))] “TARGET_THUMB” “* abort ();” )
;; We use a DImode scratch because we may occasionally need an additional ;; temporary if the address isn‘t offsettable -- push_reload doesn’t seem ;; to take any notice of the “o” constraints on reload_memory_operand operand. (define_expand “reload_outhi” [(parallel [(match_operand:HI 0 “arm_reload_memory_operand” “=o”) (match_operand:HI 1 “s_register_operand” “r”) (match_operand:DI 2 “s_register_operand” “=&l”)])] “TARGET_EITHER” "if (TARGET_ARM) arm_reload_out_hi (operands); else thumb_reload_out_hi (operands); DONE; " )
(define_expand “reload_inhi” [(parallel [(match_operand:HI 0 “s_register_operand” “=r”) (match_operand:HI 1 “arm_reload_memory_operand” “o”) (match_operand:DI 2 “s_register_operand” “=&r”)])] “TARGET_THUMB || (TARGET_ARM && TARGET_MMU_TRAPS)” " if (TARGET_ARM) arm_reload_in_hi (operands); else thumb_reload_out_hi (operands); DONE; ")
(define_expand “movqi” [(set (match_operand:QI 0 “general_operand” "") (match_operand:QI 1 “general_operand” ""))] “TARGET_EITHER” " if (TARGET_ARM) { /* Everything except mem = const or mem = mem can be done easily */
if (!no_new_pseudos)
{
if (GET_CODE (operands[1]) == CONST_INT)
{
rtx reg = gen_reg_rtx (SImode);
emit_insn (gen_movsi (reg, operands[1]));
operands[1] = gen_rtx_SUBREG (QImode, reg, 0);
}
if (GET_CODE (operands[0]) == MEM)
operands[1] = force_reg (QImode, operands[1]);
}
}
else /* TARGET_THUMB */ { if (!no_new_pseudos) { if (GET_CODE (operands[0]) != REG) operands[1] = force_reg (QImode, operands[1]);
/* ??? We shouldn't really get invalid addresses here, but this can
happen if we are passed a SP (never OK for HImode/QImode) or
virtual register (rejected by GO_IF_LEGITIMATE_ADDRESS for
HImode/QImode) relative address. */
/* ??? This should perhaps be fixed elsewhere, for instance, in
fixup_stack_1, by checking for other kinds of invalid addresses,
e.g. a bare reference to a virtual register. This may confuse the
alpha though, which must handle this case differently. */
if (GET_CODE (operands[0]) == MEM
&& !memory_address_p (GET_MODE (operands[0]),
XEXP (operands[0], 0)))
operands[0]
= replace_equiv_address (operands[0],
copy_to_reg (XEXP (operands[0], 0)));
if (GET_CODE (operands[1]) == MEM
&& !memory_address_p (GET_MODE (operands[1]),
XEXP (operands[1], 0)))
operands[1]
= replace_equiv_address (operands[1],
copy_to_reg (XEXP (operands[1], 0)));
}
/* Handle loading a large integer during reload */
else if (GET_CODE (operands[1]) == CONST_INT
&& !CONST_OK_FOR_LETTER_P (INTVAL (operands[1]), 'I'))
{
/* Writing a constant to memory needs a scratch, which should
be handled with SECONDARY_RELOADs. */
if (GET_CODE (operands[0]) != REG)
abort ();
operands[0] = gen_rtx (SUBREG, SImode, operands[0], 0);
emit_insn (gen_movsi (operands[0], operands[1]));
DONE;
}
}
" )
(define_insn “*arm_movqi_insn” [(set (match_operand:QI 0 “nonimmediate_operand” “=r,r,r,m”) (match_operand:QI 1 “general_operand” “rI,K,m,r”))] “TARGET_ARM && ( register_operand (operands[0], QImode) || register_operand (operands[1], QImode))” “@ mov%?\t%0, %1 mvn%?\t%0, #%B1 ldr%?b\t%0, %1 str%?b\t%1, %0” [(set_attr “type” “,,load,store1”) (set_attr “predicable” “yes”)] )
(define_insn “*thumb_movqi_insn” [(set (match_operand:QI 0 “nonimmediate_operand” “=l,l,m,*r,*h,l”) (match_operand:QI 1 “general_operand” “l, m,l,*h,*r,I”))] “TARGET_THUMB && ( register_operand (operands[0], QImode) || register_operand (operands[1], QImode))” “@ add\t%0, %1, #0 ldrb\t%0, %1 strb\t%1, %0 mov\t%0, %1 mov\t%0, %1 mov\t%0, %1” [(set_attr “length” “2”) (set_attr “type” “,load,store1,,,”) (set_attr “pool_range” “,32,,,,*”)] )
(define_expand “movsf” [(set (match_operand:SF 0 “general_operand” "") (match_operand:SF 1 “general_operand” ""))] “TARGET_EITHER” " if (TARGET_ARM) { if (GET_CODE (operands[0]) == MEM) operands[1] = force_reg (SFmode, operands[1]); } else /* TARGET_THUMB */ { if (!no_new_pseudos) { if (GET_CODE (operands[0]) != REG) operands[1] = force_reg (SFmode, operands[1]); } } " )
(define_split [(set (match_operand:SF 0 “nonimmediate_operand” "") (match_operand:SF 1 “immediate_operand” ""))] “TARGET_ARM && !TARGET_HARD_FLOAT && reload_completed && GET_CODE (operands[1]) == CONST_DOUBLE” [(set (match_dup 2) (match_dup 3))] " operands[2] = gen_lowpart (SImode, operands[0]); operands[3] = gen_lowpart (SImode, operands[1]); if (operands[2] == 0 || operands[3] == 0) FAIL; " )
(define_insn “*arm_movsf_hard_insn” [(set (match_operand:SF 0 “nonimmediate_operand” “=f,f,f, m,f,r,r,r, m”) (match_operand:SF 1 “general_operand” “fG,H,mE,f,r,f,r,mE,r”))] “TARGET_ARM && TARGET_HARD_FLOAT && (GET_CODE (operands[0]) != MEM || register_operand (operands[1], SFmode))” “@ mvf%?s\t%0, %1 mnf%?s\t%0, #%N1 ldf%?s\t%0, %1 stf%?s\t%1, %0 str%?\t%1, [%|sp, #-4]!;ldf%?s\t%0, [%|sp], #4 stf%?s\t%1, [%|sp, #-4]!;ldr%?\t%0, [%|sp], #4 mov%?\t%0, %1 ldr%?\t%0, %1\t%@ float str%?\t%1, %0\t%@ float” [(set_attr “length” “4,4,4,4,8,8,4,4,4”) (set_attr “predicable” “yes”) (set_attr “type” “ffarith,ffarith,f_load,f_store,r_mem_f,f_mem_r,*,load,store1”) (set_attr “pool_range” “,,1024,,,,,4096,*”) (set_attr “neg_pool_range” “,,1012,,,,,4084,*”)] )
;; Exactly the same as above, except that all f' cases are deleted. ;; This is necessary to prevent reload from ever trying to use a f' reg ;; when -msoft-float.
(define_insn “*arm_movsf_soft_insn” [(set (match_operand:SF 0 “nonimmediate_operand” “=r,r,m”) (match_operand:SF 1 “general_operand” “r,mE,r”))] “TARGET_ARM && TARGET_SOFT_FLOAT && (GET_CODE (operands[0]) != MEM || register_operand (operands[1], SFmode))” “@ mov%?\t%0, %1 ldr%?\t%0, %1\t%@ float str%?\t%1, %0\t%@ float” [(set_attr “length” “4,4,4”) (set_attr “predicable” “yes”) (set_attr “type” “*,load,store1”) (set_attr “pool_range” “,4096,”) (set_attr “neg_pool_range” “,4084,”)] )
;;; ??? This should have alternatives for constants. (define_insn “*thumb_movsf_insn” [(set (match_operand:SF 0 “nonimmediate_operand” “=l,l,>,l, m,*r,*h”) (match_operand:SF 1 “general_operand” “l, >,l,mF,l,*h,*r”))] “TARGET_THUMB && ( register_operand (operands[0], SFmode) || register_operand (operands[1], SFmode))” “@ add\t%0, %1, #0 ldmia\t%1, {%0} stmia\t%0, {%1} ldr\t%0, %1 str\t%1, %0 mov\t%0, %1 mov\t%0, %1” [(set_attr “length” “2”) (set_attr “type” “,load,store1,load,store1,,*”) (set_attr “pool_range” “,,,1020,,,”)] )
(define_expand “movdf” [(set (match_operand:DF 0 “general_operand” "") (match_operand:DF 1 “general_operand” ""))] “TARGET_EITHER” " if (TARGET_ARM) { if (GET_CODE (operands[0]) == MEM) operands[1] = force_reg (DFmode, operands[1]); } else /* TARGET_THUMB */ { if (!no_new_pseudos) { if (GET_CODE (operands[0]) != REG) operands[1] = force_reg (DFmode, operands[1]); } } " )
;; Reloading a df mode value stored in integer regs to memory can require a ;; scratch reg. (define_expand “reload_outdf” [(match_operand:DF 0 “arm_reload_memory_operand” “=o”) (match_operand:DF 1 “s_register_operand” “r”) (match_operand:SI 2 “s_register_operand” “=&r”)] “TARGET_ARM” " { enum rtx_code code = GET_CODE (XEXP (operands[0], 0));
if (code == REG)
operands[2] = XEXP (operands[0], 0);
else if (code == POST_INC || code == PRE_DEC)
{
operands[0] = gen_rtx_SUBREG (DImode, operands[0], 0);
operands[1] = gen_rtx_SUBREG (DImode, operands[1], 0);
emit_insn (gen_movdi (operands[0], operands[1]));
DONE;
}
else if (code == PRE_INC)
{
rtx reg = XEXP (XEXP (operands[0], 0), 0);
emit_insn (gen_addsi3 (reg, reg, GEN_INT (8)));
operands[2] = reg;
}
else if (code == POST_DEC)
operands[2] = XEXP (XEXP (operands[0], 0), 0);
else
emit_insn (gen_addsi3 (operands[2], XEXP (XEXP (operands[0], 0), 0),
XEXP (XEXP (operands[0], 0), 1)));
emit_insn (gen_rtx_SET (VOIDmode, gen_rtx_MEM (DFmode, operands[2]),
operands[1]));
if (code == POST_DEC)
emit_insn (gen_addsi3 (operands[2], operands[2], GEN_INT (-8)));
DONE;
}" )
(define_insn “*movdf_hard_insn” [(set (match_operand:DF 0 “nonimmediate_operand” “=r,Q,r,m,r, f, f,f, m,!f,!r”) (match_operand:DF 1 “general_operand” “Q, r,r,r,mF,fG,H,mF,f,r, f”))] “TARGET_ARM && TARGET_HARD_FLOAT && (GET_CODE (operands[0]) != MEM || register_operand (operands[1], DFmode))” "* { switch (which_alternative) { default: case 0: return "ldm%?ia\t%m1, %M0\t%@ double"; case 1: return "stm%?ia\t%m0, %M1\t%@ double"; case 2: case 3: case 4: return output_move_double (operands); case 5: return "mvf%?d\t%0, %1"; case 6: return "mnf%?d\t%0, #%N1"; case 7: return "ldf%?d\t%0, %1"; case 8: return "stf%?d\t%1, %0"; case 9: return output_mov_double_fpu_from_arm (operands); case 10: return output_mov_double_arm_from_fpu (operands); } } " [(set_attr “length” “4,4,8,8,8,4,4,4,4,8,8”) (set_attr “predicable” “yes”) (set_attr “type” “load,store2,*,store2,load,ffarith,ffarith,f_load,f_store,r_mem_f,f_mem_r”) (set_attr “pool_range” “,,,,252,,,1024,,,*”) (set_attr “neg_pool_range” “,,,,244,,,1012,,,*”)] )
;; Software floating point version. This is essentially the same as movdi. ;; Do not use f' as a constraint to prevent reload from ever trying to use ;; an f' reg.
(define_insn “*movdf_soft_insn” [(set (match_operand:DF 0 “nonimmediate_soft_df_operand” “=r,r,m”) (match_operand:DF 1 “soft_df_operand” “r,mF,r”))] "TARGET_ARM && TARGET_SOFT_FLOAT " “* return output_move_double (operands);” [(set_attr “length” “8,8,8”) (set_attr “type” “*,load,store2”) (set_attr “pool_range” “252”) (set_attr “neg_pool_range” “244”)] )
;;; ??? This should have alternatives for constants. ;;; ??? This was originally identical to the movdi_insn pattern. ;;; ??? The ‘F’ constraint looks funny, but it should always be replaced by ;;; thumb_reorg with a memory reference. (define_insn “*thumb_movdf_insn” [(set (match_operand:DF 0 “nonimmediate_operand” “=l,l,>,l, m,*r”) (match_operand:DF 1 “general_operand” “l, >,l,mF,l,*r”))] “TARGET_THUMB && ( register_operand (operands[0], DFmode) || register_operand (operands[1], DFmode))” "* switch (which_alternative) { default: case 0: if (REGNO (operands[1]) == REGNO (operands[0]) + 1) return "add\t%0, %1, #0;add\t%H0, %H1, #0"; return "add\t%H0, %H1, #0;add\t%0, %1, #0"; case 1: return "ldmia\t%1, {%0, %H0}"; case 2: return "stmia\t%0, {%1, %H1}"; case 3: return thumb_load_double_from_address (operands); case 4: operands[2] = gen_rtx (MEM, SImode, plus_constant (XEXP (operands[0], 0), 4)); output_asm_insn ("str\t%1, %0;str\t%H1, %2", operands); return ""; case 5: if (REGNO (operands[1]) == REGNO (operands[0]) + 1) return "mov\t%0, %1;mov\t%H0, %H1"; return "mov\t%H0, %H1;mov\t%0, %1"; } " [(set_attr “length” “4,2,2,6,4,4”) (set_attr “type” “,load,store2,load,store2,”) (set_attr “pool_range” “,,,1020,,*”)] )
(define_expand “movxf” [(set (match_operand:XF 0 “general_operand” "") (match_operand:XF 1 “general_operand” ""))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” "")
;; Even when the XFmode patterns aren't enabled, we enable this after ;; reloading so that we can push floating point registers in the prologue.
(define_insn “*movxf_hard_insn” [(set (match_operand:XF 0 “nonimmediate_operand” “=f,f,f,m,f,r,r”) (match_operand:XF 1 “general_operand” “fG,H,m,f,r,f,r”))] “TARGET_ARM && TARGET_HARD_FLOAT && (ENABLE_XF_PATTERNS || reload_completed)” "* switch (which_alternative) { default: case 0: return "mvf%?e\t%0, %1"; case 1: return "mnf%?e\t%0, #%N1"; case 2: return "ldf%?e\t%0, %1"; case 3: return "stf%?e\t%1, %0"; case 4: return output_mov_long_double_fpu_from_arm (operands); case 5: return output_mov_long_double_arm_from_fpu (operands); case 6: return output_mov_long_double_arm_from_arm (operands); } " [(set_attr “length” “4,4,4,4,8,8,12”) (set_attr “predicable” “yes”) (set_attr “type” “ffarith,ffarith,f_load,f_store,r_mem_f,f_mem_r,*”) (set_attr “pool_range” “,,1024,,,,”) (set_attr “neg_pool_range” “,,1012,,,,”)] )
;; load- and store-multiple insns ;; The arm can load/store any set of registers, provided that they are in ;; ascending order; but that is beyond GCC so stick with what it knows.
(define_expand “load_multiple” [(match_par_dup 3 [(set (match_operand:SI 0 "" "") (match_operand:SI 1 "" "")) (use (match_operand:SI 2 "" ""))])] “TARGET_ARM” " /* Support only fixed point registers. */ if (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) > 14 || INTVAL (operands[2]) < 2 || GET_CODE (operands[1]) != MEM || GET_CODE (operands[0]) != REG || REGNO (operands[0]) > (LAST_ARM_REGNUM - 1) || REGNO (operands[0]) + INTVAL (operands[2]) > LAST_ARM_REGNUM) FAIL;
operands[3] = arm_gen_load_multiple (REGNO (operands[0]), INTVAL (operands[2]), force_reg (SImode, XEXP (operands[1], 0)), TRUE, FALSE, RTX_UNCHANGING_P(operands[1]), MEM_IN_STRUCT_P(operands[1]), MEM_SCALAR_P (operands[1])); " )
;; Load multiple with write-back
(define_insn “*ldmsi_postinc4” [(match_parallel 0 “load_multiple_operation” [(set (match_operand:SI 1 “s_register_operand” “=r”) (plus:SI (match_operand:SI 2 “s_register_operand” “1”) (const_int 16))) (set (match_operand:SI 3 “arm_hard_register_operand” "") (mem:SI (match_dup 2))) (set (match_operand:SI 4 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 2) (const_int 4)))) (set (match_operand:SI 5 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 2) (const_int 8)))) (set (match_operand:SI 6 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 2) (const_int 12))))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 5” “ldm%?ia\t%1!, {%3, %4, %5, %6}” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*ldmsi_postinc3” [(match_parallel 0 “load_multiple_operation” [(set (match_operand:SI 1 “s_register_operand” “=r”) (plus:SI (match_operand:SI 2 “s_register_operand” “1”) (const_int 12))) (set (match_operand:SI 3 “arm_hard_register_operand” "") (mem:SI (match_dup 2))) (set (match_operand:SI 4 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 2) (const_int 4)))) (set (match_operand:SI 5 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 2) (const_int 8))))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 4” “ldm%?ia\t%1!, {%3, %4, %5}” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*ldmsi_postinc2” [(match_parallel 0 “load_multiple_operation” [(set (match_operand:SI 1 “s_register_operand” “=r”) (plus:SI (match_operand:SI 2 “s_register_operand” “1”) (const_int 8))) (set (match_operand:SI 3 “arm_hard_register_operand” "") (mem:SI (match_dup 2))) (set (match_operand:SI 4 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 2) (const_int 4))))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 3” “ldm%?ia\t%1!, {%3, %4}” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
;; Ordinary load multiple
(define_insn “*ldmsi4” [(match_parallel 0 “load_multiple_operation” [(set (match_operand:SI 2 “arm_hard_register_operand” "") (mem:SI (match_operand:SI 1 “s_register_operand” “r”))) (set (match_operand:SI 3 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 1) (const_int 4)))) (set (match_operand:SI 4 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 1) (const_int 8)))) (set (match_operand:SI 5 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 1) (const_int 12))))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 4” “ldm%?ia\t%1, {%2, %3, %4, %5}” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*ldmsi3” [(match_parallel 0 “load_multiple_operation” [(set (match_operand:SI 2 “arm_hard_register_operand” "") (mem:SI (match_operand:SI 1 “s_register_operand” “r”))) (set (match_operand:SI 3 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 1) (const_int 4)))) (set (match_operand:SI 4 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 1) (const_int 8))))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 3” “ldm%?ia\t%1, {%2, %3, %4}” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*ldmsi2” [(match_parallel 0 “load_multiple_operation” [(set (match_operand:SI 2 “arm_hard_register_operand” "") (mem:SI (match_operand:SI 1 “s_register_operand” “r”))) (set (match_operand:SI 3 “arm_hard_register_operand” "") (mem:SI (plus:SI (match_dup 1) (const_int 4))))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 2” “ldm%?ia\t%1, {%2, %3}” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_expand “store_multiple” [(match_par_dup 3 [(set (match_operand:SI 0 "" "") (match_operand:SI 1 "" "")) (use (match_operand:SI 2 "" ""))])] “TARGET_ARM” " /* Support only fixed point registers */ if (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) > 14 || INTVAL (operands[2]) < 2 || GET_CODE (operands[1]) != REG || GET_CODE (operands[0]) != MEM || REGNO (operands[1]) > (LAST_ARM_REGNUM - 1) || REGNO (operands[1]) + INTVAL (operands[2]) > LAST_ARM_REGNUM) FAIL;
operands[3] = arm_gen_store_multiple (REGNO (operands[1]), INTVAL (operands[2]), force_reg (SImode, XEXP (operands[0], 0)), TRUE, FALSE, RTX_UNCHANGING_P (operands[0]), MEM_IN_STRUCT_P(operands[0]), MEM_SCALAR_P (operands[0])); " )
;; Store multiple with write-back
(define_insn “*stmsi_postinc4” [(match_parallel 0 “store_multiple_operation” [(set (match_operand:SI 1 “s_register_operand” “=r”) (plus:SI (match_operand:SI 2 “s_register_operand” “1”) (const_int 16))) (set (mem:SI (match_dup 2)) (match_operand:SI 3 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 2) (const_int 4))) (match_operand:SI 4 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 2) (const_int 8))) (match_operand:SI 5 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 2) (const_int 12))) (match_operand:SI 6 “arm_hard_register_operand” ""))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 5” “stm%?ia\t%1!, {%3, %4, %5, %6}” [(set_attr “predicable” “yes”) (set_attr “type” “store4”)] )
(define_insn “*stmsi_postinc3” [(match_parallel 0 “store_multiple_operation” [(set (match_operand:SI 1 “s_register_operand” “=r”) (plus:SI (match_operand:SI 2 “s_register_operand” “1”) (const_int 12))) (set (mem:SI (match_dup 2)) (match_operand:SI 3 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 2) (const_int 4))) (match_operand:SI 4 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 2) (const_int 8))) (match_operand:SI 5 “arm_hard_register_operand” ""))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 4” “stm%?ia\t%1!, {%3, %4, %5}” [(set_attr “predicable” “yes”) (set_attr “type” “store3”)] )
(define_insn “*stmsi_postinc2” [(match_parallel 0 “store_multiple_operation” [(set (match_operand:SI 1 “s_register_operand” “=r”) (plus:SI (match_operand:SI 2 “s_register_operand” “1”) (const_int 8))) (set (mem:SI (match_dup 2)) (match_operand:SI 3 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 2) (const_int 4))) (match_operand:SI 4 “arm_hard_register_operand” ""))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 3” “stm%?ia\t%1!, {%3, %4}” [(set_attr “predicable” “yes”) (set_attr “type” “store2”)] )
;; Ordinary store multiple
(define_insn “*stmsi4” [(match_parallel 0 “store_multiple_operation” [(set (mem:SI (match_operand:SI 1 “s_register_operand” “r”)) (match_operand:SI 2 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 1) (const_int 4))) (match_operand:SI 3 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 1) (const_int 8))) (match_operand:SI 4 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 1) (const_int 12))) (match_operand:SI 5 “arm_hard_register_operand” ""))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 4” “stm%?ia\t%1, {%2, %3, %4, %5}” [(set_attr “predicable” “yes”) (set_attr “type” “store4”)] )
(define_insn “*stmsi3” [(match_parallel 0 “store_multiple_operation” [(set (mem:SI (match_operand:SI 1 “s_register_operand” “r”)) (match_operand:SI 2 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 1) (const_int 4))) (match_operand:SI 3 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 1) (const_int 8))) (match_operand:SI 4 “arm_hard_register_operand” ""))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 3” “stm%?ia\t%1, {%2, %3, %4}” [(set_attr “predicable” “yes”) (set_attr “type” “store3”)] )
(define_insn “*stmsi2” [(match_parallel 0 “store_multiple_operation” [(set (mem:SI (match_operand:SI 1 “s_register_operand” “r”)) (match_operand:SI 2 “arm_hard_register_operand” "")) (set (mem:SI (plus:SI (match_dup 1) (const_int 4))) (match_operand:SI 3 “arm_hard_register_operand” ""))])] “TARGET_ARM && XVECLEN (operands[0], 0) == 2” “stm%?ia\t%1, {%2, %3}” [(set_attr “predicable” “yes”) (set_attr “type” “store2”)] )
;; Move a block of memory if it is word aligned and MORE than 2 words long. ;; We could let this apply for blocks of less than this, but it clobbers so ;; many registers that there is then probably a better way.
(define_expand “movstrqi” [(match_operand:BLK 0 “general_operand” "") (match_operand:BLK 1 “general_operand” "") (match_operand:SI 2 “const_int_operand” "") (match_operand:SI 3 “const_int_operand” "")] “TARGET_EITHER” " if (TARGET_ARM) { if (arm_gen_movstrqi (operands)) DONE; FAIL; } else /* TARGET_THUMB */ { if ( INTVAL (operands[3]) != 4 || INTVAL (operands[2]) > 48) FAIL;
thumb_expand_movstrqi (operands); DONE; }
" )
;; Thumb block-move insns
(define_insn “movmem12b” [(set (mem:SI (match_operand:SI 2 “register_operand” “0”)) (mem:SI (match_operand:SI 3 “register_operand” “1”))) (set (mem:SI (plus:SI (match_dup 2) (const_int 4))) (mem:SI (plus:SI (match_dup 3) (const_int 4)))) (set (mem:SI (plus:SI (match_dup 2) (const_int 8))) (mem:SI (plus:SI (match_dup 3) (const_int 8)))) (set (match_operand:SI 0 “register_operand” “=l”) (plus:SI (match_dup 2) (const_int 12))) (set (match_operand:SI 1 “register_operand” “=l”) (plus:SI (match_dup 3) (const_int 12))) (clobber (match_scratch:SI 4 “=&l”)) (clobber (match_scratch:SI 5 “=&l”)) (clobber (match_scratch:SI 6 “=&l”))] “TARGET_THUMB” “* return thumb_output_move_mem_multiple (3, operands);” [(set_attr “length” “4”) ; This isn't entirely accurate... It loads as well, but in terms of ; scheduling the following insn it is better to consider it as a store (set_attr “type” “store3”)] )
(define_insn “movmem8b” [(set (mem:SI (match_operand:SI 2 “register_operand” “0”)) (mem:SI (match_operand:SI 3 “register_operand” “1”))) (set (mem:SI (plus:SI (match_dup 2) (const_int 4))) (mem:SI (plus:SI (match_dup 3) (const_int 4)))) (set (match_operand:SI 0 “register_operand” “=l”) (plus:SI (match_dup 2) (const_int 8))) (set (match_operand:SI 1 “register_operand” “=l”) (plus:SI (match_dup 3) (const_int 8))) (clobber (match_scratch:SI 4 “=&l”)) (clobber (match_scratch:SI 5 “=&l”))] “TARGET_THUMB” “* return thumb_output_move_mem_multiple (2, operands);” [(set_attr “length” “4”) ; This isn't entirely accurate... It loads as well, but in terms of ; scheduling the following insn it is better to consider it as a store (set_attr “type” “store2”)] )
;; Compare & branch insns ;; The range calcualations are based as follows: ;; For forward branches, the address calculation returns the address of ;; the next instruction. This is 2 beyond the branch instruction. ;; For backward branches, the address calculation returns the address of ;; the first instruction in this pattern (cmp). This is 2 before the branch ;; instruction for the shortest sequence, and 4 before the branch instruction ;; if we have to jump around an unconditional branch. ;; To the basic branch range the PC offset must be added (this is +4). ;; So for forward branches we have ;; (pos_range - pos_base_offs + pc_offs) = (pos_range - 2 + 4). ;; And for backward branches we have ;; (neg_range - neg_base_offs + pc_offs) = (neg_range - (-2 or -4) + 4). ;; ;; For a ‘b’ pos_range = 2046, neg_range = -2048 giving (-2040->2048). ;; For a ‘b’ pos_range = 254, neg_range = -256 giving (-250 ->256).
(define_insn “cbranchsi4” [(set (pc) (if_then_else (match_operator 0 “arm_comparison_operator” [(match_operand:SI 1 “register_operand” “l,r”) (match_operand:SI 2 “nonmemory_operand” “rI,r”)]) (label_ref (match_operand 3 "" "")) (pc)))] “TARGET_THUMB” "* output_asm_insn ("cmp\t%1, %2", operands); switch (get_attr_length (insn)) { case 4: return "b%d0\t%l3"; case 6: return "b%D0\t.LCB%=;b\t%l3\t%@long jump\n.LCB%=:"; default: return "b%D0\t.LCB%=;bl\t%l3\t%@far jump\n.LCB%=:"; } " [(set (attr “far_jump”) (if_then_else (eq_attr “length” “8”) (const_string “yes”) (const_string “no”))) (set (attr “length”) (if_then_else (and (ge (minus (match_dup 3) (pc)) (const_int -250)) (le (minus (match_dup 3) (pc)) (const_int 256))) (const_int 4) (if_then_else (and (ge (minus (match_dup 3) (pc)) (const_int -2040)) (le (minus (match_dup 3) (pc)) (const_int 2048))) (const_int 6) (const_int 8))))] )
(define_insn “*negated_cbranchsi4” [(set (pc) (if_then_else (match_operator 0 “arm_comparison_operator” [(match_operand:SI 1 “register_operand” “l”) (neg:SI (match_operand:SI 2 “nonmemory_operand” “l”))]) (label_ref (match_operand 3 "" "")) (pc)))] “TARGET_THUMB” "* output_asm_insn ("cmn\t%1, %2", operands); switch (get_attr_length (insn)) { case 4: return "b%d0\t%l3"; case 6: return "b%D0\t.LCB%=;b\t%l3\t%@long jump\n.LCB%=:"; default: return "b%D0\t.LCB%=;bl\t%l3\t%@far jump\n.LCB%=:"; } " [(set (attr “far_jump”) (if_then_else (eq_attr “length” “8”) (const_string “yes”) (const_string “no”))) (set (attr “length”) (if_then_else (and (ge (minus (match_dup 3) (pc)) (const_int -250)) (le (minus (match_dup 3) (pc)) (const_int 256))) (const_int 4) (if_then_else (and (ge (minus (match_dup 3) (pc)) (const_int -2040)) (le (minus (match_dup 3) (pc)) (const_int 2048))) (const_int 6) (const_int 8))))] )
;; Comparison and test insns
(define_expand “cmpsi” [(match_operand:SI 0 “s_register_operand” "") (match_operand:SI 1 “arm_add_operand” "")] “TARGET_ARM” “{ arm_compare_op0 = operands[0]; arm_compare_op1 = operands[1]; DONE; }” )
(define_expand “cmpsf” [(match_operand:SF 0 “s_register_operand” "") (match_operand:SF 1 “fpu_rhs_operand” "")] “TARGET_ARM && TARGET_HARD_FLOAT” " arm_compare_op0 = operands[0]; arm_compare_op1 = operands[1]; DONE; " )
(define_expand “cmpdf” [(match_operand:DF 0 “s_register_operand” "") (match_operand:DF 1 “fpu_rhs_operand” "")] “TARGET_ARM && TARGET_HARD_FLOAT” " arm_compare_op0 = operands[0]; arm_compare_op1 = operands[1]; DONE; " )
(define_expand “cmpxf” [(match_operand:XF 0 “s_register_operand” "") (match_operand:XF 1 “fpu_rhs_operand” "")] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” " arm_compare_op0 = operands[0]; arm_compare_op1 = operands[1]; DONE; " )
(define_insn “*arm_cmpsi_insn” [(set (reg:CC CC_REGNUM) (compare:CC (match_operand:SI 0 “s_register_operand” “r,r”) (match_operand:SI 1 “arm_add_operand” “rI,L”)))] “TARGET_ARM” “@ cmp%?\t%0, %1 cmn%?\t%0, #%n1” [(set_attr “conds” “set”)] )
(define_insn “*cmpsi_shiftsi” [(set (reg:CC CC_REGNUM) (compare:CC (match_operand:SI 0 “s_register_operand” “r”) (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)])))] “TARGET_ARM” “cmp%?\t%0, %1%S3” [(set_attr “conds” “set”) (set_attr “shift” “1”) ] )
(define_insn “*cmpsi_shiftsi_swp” [(set (reg:CC_SWP CC_REGNUM) (compare:CC_SWP (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “reg_or_int_operand” “rM”)]) (match_operand:SI 0 “s_register_operand” “r”)))] “TARGET_ARM” “cmp%?\t%0, %1%S3” [(set_attr “conds” “set”) (set_attr “shift” “1”) ] )
(define_insn “*cmpsi_neg_shiftsi” [(set (reg:CC CC_REGNUM) (compare:CC (match_operand:SI 0 “s_register_operand” “r”) (neg:SI (match_operator:SI 3 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)]))))] “TARGET_ARM” “cmn%?\t%0, %1%S3” [(set_attr “conds” “set”) (set_attr “shift” “1”) ] )
(define_insn “*cmpsf_insn” [(set (reg:CCFP CC_REGNUM) (compare:CCFP (match_operand:SF 0 “s_register_operand” “f,f”) (match_operand:SF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ cmf%?\t%0, %1 cnf%?\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmpdf_insn” [(set (reg:CCFP CC_REGNUM) (compare:CCFP (match_operand:DF 0 “s_register_operand” “f,f”) (match_operand:DF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ cmf%?\t%0, %1 cnf%?\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmpesfdf_df” [(set (reg:CCFP CC_REGNUM) (compare:CCFP (float_extend:DF (match_operand:SF 0 “s_register_operand” “f,f”)) (match_operand:DF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ cmf%?\t%0, %1 cnf%?\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmpdf_esfdf” [(set (reg:CCFP CC_REGNUM) (compare:CCFP (match_operand:DF 0 “s_register_operand” “f”) (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “cmf%?\t%0, %1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmpxf_insn” [(set (reg:CCFP CC_REGNUM) (compare:CCFP (match_operand:XF 0 “s_register_operand” “f,f”) (match_operand:XF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “@ cmf%?\t%0, %1 cnf%?\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmpsf_trap” [(set (reg:CCFPE CC_REGNUM) (compare:CCFPE (match_operand:SF 0 “s_register_operand” “f,f”) (match_operand:SF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ cmf%?e\t%0, %1 cnf%?e\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmpdf_trap” [(set (reg:CCFPE CC_REGNUM) (compare:CCFPE (match_operand:DF 0 “s_register_operand” “f,f”) (match_operand:DF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ cmf%?e\t%0, %1 cnf%?e\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmp_esfdf_df_trap” [(set (reg:CCFPE CC_REGNUM) (compare:CCFPE (float_extend:DF (match_operand:SF 0 “s_register_operand” “f,f”)) (match_operand:DF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ cmf%?e\t%0, %1 cnf%?e\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmp_df_esfdf_trap” [(set (reg:CCFPE CC_REGNUM) (compare:CCFPE (match_operand:DF 0 “s_register_operand” “f”) (float_extend:DF (match_operand:SF 1 “s_register_operand” “f”))))] “TARGET_ARM && TARGET_HARD_FLOAT” “cmf%?e\t%0, %1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
(define_insn “*cmpxf_trap” [(set (reg:CCFPE CC_REGNUM) (compare:CCFPE (match_operand:XF 0 “s_register_operand” “f,f”) (match_operand:XF 1 “fpu_add_operand” “fG,H”)))] “TARGET_ARM && ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT” “@ cmf%?e\t%0, %1 cnf%?e\t%0, #%N1” [(set_attr “conds” “set”) (set_attr “type” “f_2_r”)] )
; This insn allows redundant compares to be removed by cse, nothing should ; ever appear in the output file since (set (reg x) (reg x)) is a no-op that ; is deleted later on. The match_dup will match the mode here, so that ; mode changes of the condition codes aren‘t lost by this even though we don’t ; specify what they are.
(define_insn “*deleted_compare” [(set (match_operand 0 “cc_register” "") (match_dup 0))] “TARGET_ARM” “\t%@ deleted compare” [(set_attr “conds” “set”) (set_attr “length” “0”)] )
;; Conditional branch insns
(define_expand “beq” [(set (pc) (if_then_else (eq (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (EQ, arm_compare_op0, arm_compare_op1);” )
(define_expand “bne” [(set (pc) (if_then_else (ne (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (NE, arm_compare_op0, arm_compare_op1);” )
(define_expand “bgt” [(set (pc) (if_then_else (gt (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GT, arm_compare_op0, arm_compare_op1);” )
(define_expand “ble” [(set (pc) (if_then_else (le (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LE, arm_compare_op0, arm_compare_op1);” )
(define_expand “bge” [(set (pc) (if_then_else (ge (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GE, arm_compare_op0, arm_compare_op1);” )
(define_expand “blt” [(set (pc) (if_then_else (lt (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LT, arm_compare_op0, arm_compare_op1);” )
(define_expand “bgtu” [(set (pc) (if_then_else (gtu (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GTU, arm_compare_op0, arm_compare_op1);” )
(define_expand “bleu” [(set (pc) (if_then_else (leu (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LEU, arm_compare_op0, arm_compare_op1);” )
(define_expand “bgeu” [(set (pc) (if_then_else (geu (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GEU, arm_compare_op0, arm_compare_op1);” )
(define_expand “bltu” [(set (pc) (if_then_else (ltu (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LTU, arm_compare_op0, arm_compare_op1);” )
(define_expand “bunordered” [(set (pc) (if_then_else (unordered (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNORDERED, arm_compare_op0, arm_compare_op1);” )
(define_expand “bordered” [(set (pc) (if_then_else (ordered (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (ORDERED, arm_compare_op0, arm_compare_op1);” )
(define_expand “bungt” [(set (pc) (if_then_else (ungt (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNGT, arm_compare_op0, arm_compare_op1);” )
(define_expand “bunlt” [(set (pc) (if_then_else (unlt (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNLT, arm_compare_op0, arm_compare_op1);” )
(define_expand “bunge” [(set (pc) (if_then_else (unge (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNGE, arm_compare_op0, arm_compare_op1);” )
(define_expand “bunle” [(set (pc) (if_then_else (unle (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNLE, arm_compare_op0, arm_compare_op1);” )
;; The following two patterns need two branch instructions, since there is ;; no single instruction that will handle all cases. (define_expand “buneq” [(set (pc) (if_then_else (uneq (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNEQ, arm_compare_op0, arm_compare_op1);” )
(define_expand “bltgt” [(set (pc) (if_then_else (ltgt (match_dup 1) (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (LTGT, arm_compare_op0, arm_compare_op1);” )
;; ;; Patterns to match conditional branch insns. ;;
; Special pattern to match UNEQ. (define_insn “*arm_buneq” [(set (pc) (if_then_else (uneq (match_operand 1 “cc_register” "") (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” "* if (arm_ccfsm_state != 0) abort ();
return "bvs\t%l0;beq\t%l0"; " [(set_attr “conds” “jump_clob”) (set_attr “length” “8”)] )
; Special pattern to match LTGT. (define_insn “*arm_bltgt” [(set (pc) (if_then_else (ltgt (match_operand 1 “cc_register” "") (const_int 0)) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM && TARGET_HARD_FLOAT” "* if (arm_ccfsm_state != 0) abort ();
return "bmi\t%l0;bgt\t%l0"; " [(set_attr “conds” “jump_clob”) (set_attr “length” “8”)] )
(define_insn “*arm_cond_branch” [(set (pc) (if_then_else (match_operator 1 “arm_comparison_operator” [(match_operand 2 “cc_register” "") (const_int 0)]) (label_ref (match_operand 0 "" "")) (pc)))] “TARGET_ARM” "* if (arm_ccfsm_state == 1 || arm_ccfsm_state == 2) { arm_ccfsm_state += 2; return ""; } return "b%d1\t%l0"; " [(set_attr “conds” “use”)] )
; Special pattern to match reversed UNEQ. (define_insn “*arm_buneq_reversed” [(set (pc) (if_then_else (uneq (match_operand 1 “cc_register” "") (const_int 0)) (pc) (label_ref (match_operand 0 "" ""))))] “TARGET_ARM && TARGET_HARD_FLOAT” "* if (arm_ccfsm_state != 0) abort ();
return "bmi\t%l0;bgt\t%l0"; " [(set_attr “conds” “jump_clob”) (set_attr “length” “8”)] )
; Special pattern to match reversed LTGT. (define_insn “*arm_bltgt_reversed” [(set (pc) (if_then_else (ltgt (match_operand 1 “cc_register” "") (const_int 0)) (pc) (label_ref (match_operand 0 "" ""))))] “TARGET_ARM && TARGET_HARD_FLOAT” "* if (arm_ccfsm_state != 0) abort ();
return "bvs\t%l0;beq\t%l0"; " [(set_attr “conds” “jump_clob”) (set_attr “length” “8”)] )
(define_insn “*arm_cond_branch_reversed” [(set (pc) (if_then_else (match_operator 1 “arm_comparison_operator” [(match_operand 2 “cc_register” "") (const_int 0)]) (pc) (label_ref (match_operand 0 "" ""))))] “TARGET_ARM” "* if (arm_ccfsm_state == 1 || arm_ccfsm_state == 2) { arm_ccfsm_state += 2; return ""; } return "b%D1\t%l0"; " [(set_attr “conds” “use”)] )
; scc insns
(define_expand “seq” [(set (match_operand:SI 0 “s_register_operand” “=r”) (eq:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (EQ, arm_compare_op0, arm_compare_op1);” )
(define_expand “sne” [(set (match_operand:SI 0 “s_register_operand” “=r”) (ne:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (NE, arm_compare_op0, arm_compare_op1);” )
(define_expand “sgt” [(set (match_operand:SI 0 “s_register_operand” “=r”) (gt:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GT, arm_compare_op0, arm_compare_op1);” )
(define_expand “sle” [(set (match_operand:SI 0 “s_register_operand” “=r”) (le:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LE, arm_compare_op0, arm_compare_op1);” )
(define_expand “sge” [(set (match_operand:SI 0 “s_register_operand” “=r”) (ge:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GE, arm_compare_op0, arm_compare_op1);” )
(define_expand “slt” [(set (match_operand:SI 0 “s_register_operand” “=r”) (lt:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LT, arm_compare_op0, arm_compare_op1);” )
(define_expand “sgtu” [(set (match_operand:SI 0 “s_register_operand” “=r”) (gtu:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GTU, arm_compare_op0, arm_compare_op1);” )
(define_expand “sleu” [(set (match_operand:SI 0 “s_register_operand” “=r”) (leu:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LEU, arm_compare_op0, arm_compare_op1);” )
(define_expand “sgeu” [(set (match_operand:SI 0 “s_register_operand” “=r”) (geu:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (GEU, arm_compare_op0, arm_compare_op1);” )
(define_expand “sltu” [(set (match_operand:SI 0 “s_register_operand” “=r”) (ltu:SI (match_dup 1) (const_int 0)))] “TARGET_ARM” “operands[1] = arm_gen_compare_reg (LTU, arm_compare_op0, arm_compare_op1);” )
(define_expand “sunordered” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unordered:SI (match_dup 1) (const_int 0)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNORDERED, arm_compare_op0, arm_compare_op1);” )
(define_expand “sordered” [(set (match_operand:SI 0 “s_register_operand” “=r”) (ordered:SI (match_dup 1) (const_int 0)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (ORDERED, arm_compare_op0, arm_compare_op1);” )
(define_expand “sungt” [(set (match_operand:SI 0 “s_register_operand” “=r”) (ungt:SI (match_dup 1) (const_int 0)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNGT, arm_compare_op0, arm_compare_op1);” )
(define_expand “sunge” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unge:SI (match_dup 1) (const_int 0)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNGE, arm_compare_op0, arm_compare_op1);” )
(define_expand “sunlt” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unlt:SI (match_dup 1) (const_int 0)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNLT, arm_compare_op0, arm_compare_op1);” )
(define_expand “sunle” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unle:SI (match_dup 1) (const_int 0)))] “TARGET_ARM && TARGET_HARD_FLOAT” “operands[1] = arm_gen_compare_reg (UNLE, arm_compare_op0, arm_compare_op1);” )
;;; DO NOT add patterns for SUNEQ or SLTGT, these can't be represented with ;;; simple ARM instructions. ; ; (define_expand “suneq” ; [(set (match_operand:SI 0 “s_register_operand” “=r”) ; (uneq:SI (match_dup 1) (const_int 0)))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “abort ();” ; ) ; ; (define_expand “sltgt” ; [(set (match_operand:SI 0 “s_register_operand” “=r”) ; (ltgt:SI (match_dup 1) (const_int 0)))] ; “TARGET_ARM && TARGET_HARD_FLOAT” ; “abort ();” ; )
(define_insn “*mov_scc” [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operator:SI 1 “arm_comparison_operator” [(match_operand 2 “cc_register” "") (const_int 0)]))] “TARGET_ARM” “mov%D1\t%0, #0;mov%d1\t%0, #1” [(set_attr “conds” “use”) (set_attr “length” “8”)] )
(define_insn “*mov_negscc” [(set (match_operand:SI 0 “s_register_operand” “=r”) (neg:SI (match_operator:SI 1 “arm_comparison_operator” [(match_operand 2 “cc_register” "") (const_int 0)])))] “TARGET_ARM” “mov%D1\t%0, #0;mvn%d1\t%0, #0” [(set_attr “conds” “use”) (set_attr “length” “8”)] )
(define_insn “*mov_notscc” [(set (match_operand:SI 0 “s_register_operand” “=r”) (not:SI (match_operator:SI 1 “arm_comparison_operator” [(match_operand 2 “cc_register” "") (const_int 0)])))] “TARGET_ARM” “mov%D1\t%0, #0;mvn%d1\t%0, #1” [(set_attr “conds” “use”) (set_attr “length” “8”)] )
;; Conditional move insns
(define_expand “movsicc” [(set (match_operand:SI 0 “s_register_operand” "") (if_then_else:SI (match_operand 1 “arm_comparison_operator” "") (match_operand:SI 2 “arm_not_operand” "") (match_operand:SI 3 “arm_not_operand” "")))] “TARGET_ARM” " { enum rtx_code code = GET_CODE (operands[1]); rtx ccreg = arm_gen_compare_reg (code, arm_compare_op0, arm_compare_op1);
operands[1] = gen_rtx (code, VOIDmode, ccreg, const0_rtx);
}" )
(define_expand “movsfcc” [(set (match_operand:SF 0 “s_register_operand” "") (if_then_else:SF (match_operand 1 “arm_comparison_operator” "") (match_operand:SF 2 “s_register_operand” "") (match_operand:SF 3 “nonmemory_operand” "")))] “TARGET_ARM” " { enum rtx_code code = GET_CODE (operands[1]); rtx ccreg;
/* When compiling for SOFT_FLOAT, ensure both arms are in registers.
Otherwise, ensure it is a valid FP add operand */
if ((!TARGET_HARD_FLOAT)
|| (!fpu_add_operand (operands[3], SFmode)))
operands[3] = force_reg (SFmode, operands[3]);
ccreg = arm_gen_compare_reg (code, arm_compare_op0, arm_compare_op1);
operands[1] = gen_rtx (code, VOIDmode, ccreg, const0_rtx);
}" )
(define_expand “movdfcc” [(set (match_operand:DF 0 “s_register_operand” "") (if_then_else:DF (match_operand 1 “arm_comparison_operator” "") (match_operand:DF 2 “s_register_operand” "") (match_operand:DF 3 “fpu_add_operand” "")))] “TARGET_ARM && TARGET_HARD_FLOAT” " { enum rtx_code code = GET_CODE (operands[1]); rtx ccreg = arm_gen_compare_reg (code, arm_compare_op0, arm_compare_op1);
operands[1] = gen_rtx (code, VOIDmode, ccreg, const0_rtx);
}" )
(define_insn “*movsicc_insn” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r,r,r,r,r,r”) (if_then_else:SI (match_operator 3 “arm_comparison_operator” [(match_operand 4 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “arm_not_operand” “0,0,rI,K,rI,rI,K,K”) (match_operand:SI 2 “arm_not_operand” “rI,K,0,0,rI,K,rI,K”)))] “TARGET_ARM” “@ mov%D3\t%0, %2 mvn%D3\t%0, #%B2 mov%d3\t%0, %1 mvn%d3\t%0, #%B1 mov%d3\t%0, %1;mov%D3\t%0, %2 mov%d3\t%0, %1;mvn%D3\t%0, #%B2 mvn%d3\t%0, #%B1;mov%D3\t%0, %2 mvn%d3\t%0, #%B1;mvn%D3\t%0, #%B2” [(set_attr “length” “4,4,4,4,8,8,8,8”) (set_attr “conds” “use”)] )
(define_insn “*movsfcc_hard_insn” [(set (match_operand:SF 0 “s_register_operand” “=f,f,f,f,f,f,f,f”) (if_then_else:SF (match_operator 3 “arm_comparison_operator” [(match_operand 4 “cc_register” "") (const_int 0)]) (match_operand:SF 1 “fpu_add_operand” “0,0,fG,H,fG,fG,H,H”) (match_operand:SF 2 “fpu_add_operand” “fG,H,0,0,fG,H,fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ mvf%D3s\t%0, %2 mnf%D3s\t%0, #%N2 mvf%d3s\t%0, %1 mnf%d3s\t%0, #%N1 mvf%d3s\t%0, %1;mvf%D3s\t%0, %2 mvf%d3s\t%0, %1;mnf%D3s\t%0, #%N2 mnf%d3s\t%0, #%N1;mvf%D3s\t%0, %2 mnf%d3s\t%0, #%N1;mnf%D3s\t%0, #%N2” [(set_attr “length” “4,4,4,4,8,8,8,8”) (set_attr “type” “ffarith”) (set_attr “conds” “use”)] )
(define_insn “*movsfcc_soft_insn” [(set (match_operand:SF 0 “s_register_operand” “=r,r”) (if_then_else:SF (match_operator 3 “arm_comparison_operator” [(match_operand 4 “cc_register” "") (const_int 0)]) (match_operand:SF 1 “s_register_operand” “0,r”) (match_operand:SF 2 “s_register_operand” “r,0”)))] “TARGET_ARM && TARGET_SOFT_FLOAT” “@ mov%D3\t%0, %2 mov%d3\t%0, %1” [(set_attr “conds” “use”)] )
(define_insn “*movdfcc_insn” [(set (match_operand:DF 0 “s_register_operand” “=f,f,f,f,f,f,f,f”) (if_then_else:DF (match_operator 3 “arm_comparison_operator” [(match_operand 4 “cc_register” "") (const_int 0)]) (match_operand:DF 1 “fpu_add_operand” “0,0,fG,H,fG,fG,H,H”) (match_operand:DF 2 “fpu_add_operand” “fG,H,0,0,fG,H,fG,H”)))] “TARGET_ARM && TARGET_HARD_FLOAT” “@ mvf%D3d\t%0, %2 mnf%D3d\t%0, #%N2 mvf%d3d\t%0, %1 mnf%d3d\t%0, #%N1 mvf%d3d\t%0, %1;mvf%D3d\t%0, %2 mvf%d3d\t%0, %1;mnf%D3d\t%0, #%N2 mnf%d3d\t%0, #%N1;mvf%D3d\t%0, %2 mnf%d3d\t%0, #%N1;mnf%D3d\t%0, #%N2” [(set_attr “length” “4,4,4,4,8,8,8,8”) (set_attr “type” “ffarith”) (set_attr “conds” “use”)] )
;; Jump and linkage insns
(define_expand “jump” [(set (pc) (label_ref (match_operand 0 "" "")))] “TARGET_EITHER” "" )
(define_insn “*arm_jump” [(set (pc) (label_ref (match_operand 0 "" "")))] “TARGET_ARM” "* { if (arm_ccfsm_state == 1 || arm_ccfsm_state == 2) { arm_ccfsm_state += 2; return ""; } return "b%?\t%l0"; } " [(set_attr “predicable” “yes”)] )
(define_insn “*thumb_jump” [(set (pc) (label_ref (match_operand 0 "" "")))] “TARGET_THUMB” "* if (get_attr_length (insn) == 2) return "b\t%l0"; return "bl\t%l0\t%@ far jump"; " [(set (attr “far_jump”) (if_then_else (eq_attr “length” “4”) (const_string “yes”) (const_string “no”))) (set (attr “length”) (if_then_else (and (ge (minus (match_dup 0) (pc)) (const_int -2048)) (le (minus (match_dup 0) (pc)) (const_int 2044))) (const_int 2) (const_int 4)))] )
(define_expand “call” [(parallel [(call (match_operand 0 “memory_operand” "") (match_operand 1 “general_operand” "")) (use (match_operand 2 "" "")) (clobber (reg:SI LR_REGNUM))])] “TARGET_EITHER” " { rtx callee;
/* In an untyped call, we can get NULL for operand 2. */ if (operands[2] == NULL_RTX) operands[2] = const0_rtx; /* This is to decide if we should generate indirect calls by loading the 32 bit address of the callee into a register before performing the branch and link. operand[2] encodes the long_call/short_call attribute of the function being called. This attribute is set whenever __attribute__((long_call/short_call)) or #pragma long_call/no_long_call is used, and the short_call attribute can also be set if function is declared as static or if it has already been defined in the current compilation unit. See arm.c and arm.h for info about this. The third parameter to arm_is_longcall_p is used to tell it which pattern invoked it. */ callee = XEXP (operands[0], 0); if (GET_CODE (callee) != REG && arm_is_longcall_p (operands[0], INTVAL (operands[2]), 0)) XEXP (operands[0], 0) = force_reg (Pmode, callee);
}" )
(define_insn “*call_reg” [(call (mem:SI (match_operand:SI 0 “s_register_operand” “r”)) (match_operand 1 "" "")) (use (match_operand 2 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_ARM” "* return output_call (operands); " ;; length is worst case, normally it is only two [(set_attr “length” “12”) (set_attr “type” “call”)] )
(define_insn “*call_mem” [(call (mem:SI (match_operand:SI 0 “memory_operand” “m”)) (match_operand 1 "" "")) (use (match_operand 2 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_ARM” "* return output_call_mem (operands); " [(set_attr “length” “12”) (set_attr “type” “call”)] )
(define_insn “*call_indirect” [(call (mem:SI (match_operand:SI 0 “register_operand” “l*r”)) (match_operand 1 "" "")) (use (match_operand 2 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_THUMB” “* { if (TARGET_CALLER_INTERWORKING) return "bl\t%_interwork_call_via%0"; else return "bl\t%_call_via%0"; }” [(set_attr “type” “call”)] )
(define_insn “*call_value_indirect” [(set (match_operand 0 "" “=l”) (call (mem:SI (match_operand:SI 1 “register_operand” “l*r”)) (match_operand 2 "" ""))) (use (match_operand 3 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_THUMB” “* { if (TARGET_CALLER_INTERWORKING) return "bl\t%_interwork_call_via%1"; else return "bl\t%_call_via%1"; }” [(set_attr “type” “call”)] )
(define_expand “call_value” [(parallel [(set (match_operand 0 "" "") (call (match_operand 1 “memory_operand” "") (match_operand 2 “general_operand” ""))) (use (match_operand 3 "" "")) (clobber (reg:SI LR_REGNUM))])] “TARGET_EITHER” " { rtx callee = XEXP (operands[1], 0);
/* In an untyped call, we can get NULL for operand 2. */ if (operands[3] == 0) operands[3] = const0_rtx; /* See the comment in define_expand \"call\". */ if (GET_CODE (callee) != REG && arm_is_longcall_p (operands[1], INTVAL (operands[3]), 0)) XEXP (operands[1], 0) = force_reg (Pmode, callee);
}" )
(define_insn “*call_value_reg” [(set (match_operand 0 "" “=r,f”) (call (mem:SI (match_operand:SI 1 “s_register_operand” “r,r”)) (match_operand 2 "" ""))) (use (match_operand 3 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_ARM” "* return output_call (&operands[1]); " [(set_attr “length” “12”) (set_attr “type” “call”)] )
(define_insn “*call_value_mem” [(set (match_operand 0 "" “=r,f”) (call (mem:SI (match_operand:SI 1 “memory_operand” “m,m”)) (match_operand 2 "" ""))) (use (match_operand 3 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_ARM && (!CONSTANT_ADDRESS_P (XEXP (operands[1], 0)))” "* return output_call_mem (&operands[1]); " [(set_attr “length” “12”) (set_attr “type” “call”)] )
;; Allow calls to SYMBOL_REFs specially as they are not valid general addresses ;; The ‘a’ causes the operand to be treated as an address, i.e. no ‘#’ output.
(define_insn “*call_symbol” [(call (mem:SI (match_operand:SI 0 "" “X”)) (match_operand 1 "" "")) (use (match_operand 2 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_ARM && (GET_CODE (operands[0]) == SYMBOL_REF) && !arm_is_longcall_p (operands[0], INTVAL (operands[2]), 1)” “* { return NEED_PLT_RELOC ? "bl%?\t%a0(PLT)" : "bl%?\t%a0"; }” [(set_attr “type” “call”)] )
(define_insn “*call_value_symbol” [(set (match_operand 0 “s_register_operand” “=r,f”) (call (mem:SI (match_operand:SI 1 "" “X,X”)) (match_operand:SI 2 "" ""))) (use (match_operand 3 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_ARM && (GET_CODE (operands[1]) == SYMBOL_REF) && !arm_is_longcall_p (operands[1], INTVAL (operands[3]), 1)” “* { return NEED_PLT_RELOC ? "bl%?\t%a1(PLT)" : "bl%?\t%a1"; }” [(set_attr “type” “call”)] )
(define_insn “*call_insn” [(call (mem:SI (match_operand:SI 0 "" “X”)) (match_operand:SI 1 "" "")) (use (match_operand 2 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_THUMB && operands[2] == const0_rtx && (GET_CODE (operands[0]) == SYMBOL_REF)” “bl\t%a0” [(set_attr “length” “4”) (set_attr “type” “call”)] )
(define_insn “*call_value_insn” [(set (match_operand 0 “register_operand” “=l”) (call (mem:SI (match_operand 1 "" “X”)) (match_operand 2 "" ""))) (use (match_operand 3 "" "")) (clobber (reg:SI LR_REGNUM))] “TARGET_THUMB && operands[3] == const0_rtx && (GET_CODE (operands[1]) == SYMBOL_REF)” “bl\t%a1” [(set_attr “length” “4”) (set_attr “type” “call”)] )
;; We may also be able to do sibcalls for Thumb, but it's much harder... (define_expand “sibcall” [(parallel [(call (match_operand 0 “memory_operand” "") (match_operand 1 “general_operand” "")) (use (match_operand 2 "" "“)) (use (reg:SI LR_REGNUM))])] “TARGET_ARM” " { if (operands[2] == NULL_RTX) operands[2] = const0_rtx; }” )
(define_expand “sibcall_value” [(parallel [(set (match_operand 0 “register_operand” "") (call (match_operand 1 “memory_operand” "") (match_operand 2 “general_operand” ""))) (use (match_operand 3 "" "“)) (use (reg:SI LR_REGNUM))])] “TARGET_ARM” " { if (operands[3] == NULL_RTX) operands[3] = const0_rtx; }” )
(define_insn “*sibcall_insn” [(call (mem:SI (match_operand:SI 0 "" “X”)) (match_operand 1 "" "")) (use (match_operand 2 "" "")) (use (reg:SI LR_REGNUM))] “TARGET_ARM && GET_CODE (operands[0]) == SYMBOL_REF” "* return NEED_PLT_RELOC ? "b%?\t%a0(PLT)" : "b%?\t%a0"; " [(set_attr “type” “call”)] )
(define_insn “*sibcall_value_insn” [(set (match_operand 0 “s_register_operand” “=r,f”) (call (mem:SI (match_operand:SI 1 "" “X,X”)) (match_operand 2 "" ""))) (use (match_operand 3 "" "")) (use (reg:SI LR_REGNUM))] “TARGET_ARM && GET_CODE (operands[1]) == SYMBOL_REF” "* return NEED_PLT_RELOC ? "b%?\t%a1(PLT)" : "b%?\t%a1"; " [(set_attr “type” “call”)] )
;; Often the return insn will be the same as loading from memory, so set attr (define_insn “return” [(return)] “TARGET_ARM && USE_RETURN_INSN (FALSE)” “* { if (arm_ccfsm_state == 2) { arm_ccfsm_state += 2; return ""; } return output_return_instruction (NULL, TRUE, FALSE); }” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*cond_return” [(set (pc) (if_then_else (match_operator 0 “arm_comparison_operator” [(match_operand 1 “cc_register” "") (const_int 0)]) (return) (pc)))] “TARGET_ARM && USE_RETURN_INSN (TRUE)” “* { if (arm_ccfsm_state == 2) { arm_ccfsm_state += 2; return ""; } return output_return_instruction (operands[0], TRUE, FALSE); }” [(set_attr “conds” “use”) (set_attr “type” “load”)] )
(define_insn “*cond_return_inverted” [(set (pc) (if_then_else (match_operator 0 “arm_comparison_operator” [(match_operand 1 “cc_register” "") (const_int 0)]) (pc) (return)))] “TARGET_ARM && USE_RETURN_INSN (TRUE)” “* { if (arm_ccfsm_state == 2) { arm_ccfsm_state += 2; return ""; } return output_return_instruction (operands[0], TRUE, TRUE); }” [(set_attr “conds” “use”) (set_attr “type” “load”)] )
;; Call subroutine returning any type.
(define_expand “untyped_call” [(parallel [(call (match_operand 0 "" "") (const_int 0)) (match_operand 1 "" "") (match_operand 2 "" "")])] “TARGET_ARM” " { int i;
emit_call_insn (GEN_CALL (operands[0], const0_rtx, NULL, const0_rtx));
for (i = 0; i < XVECLEN (operands[2], 0); i++)
{
rtx set = XVECEXP (operands[2], 0, i);
emit_move_insn (SET_DEST (set), SET_SRC (set));
}
/* The optimizer does not know that the call sets the function value
registers we stored in the result block. We avoid problems by
claiming that all hard registers are used and clobbered at this
point. */
emit_insn (gen_blockage ());
DONE;
}" )
;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and ;; all of memory. This blocks insns from being moved across this point.
(define_insn “blockage” [(unspec_volatile [(const_int 0)] VUNSPEC_BLOCKAGE)] “TARGET_EITHER” "" [(set_attr “length” “0”) (set_attr “type” “block”)] )
(define_expand “casesi” [(match_operand:SI 0 “s_register_operand” "") ; index to jump on (match_operand:SI 1 “const_int_operand” "") ; lower bound (match_operand:SI 2 “const_int_operand” "") ; total range (match_operand:SI 3 "" "") ; table label (match_operand:SI 4 "" "")] ; Out of range label “TARGET_ARM” " { rtx reg; if (operands[1] != const0_rtx) { reg = gen_reg_rtx (SImode);
emit_insn (gen_addsi3 (reg, operands[0], GEN_INT (-INTVAL (operands[1])))); operands[0] = reg; } if (!const_ok_for_arm (INTVAL (operands[2]))) operands[2] = force_reg (SImode, operands[2]); emit_jump_insn (gen_casesi_internal (operands[0], operands[2], operands[3], operands[4])); DONE;
}" )
;; The USE in this pattern is needed to tell flow analysis that this is ;; a CASESI insn. It has no other purpose. (define_insn “casesi_internal” [(parallel [(set (pc) (if_then_else (leu (match_operand:SI 0 “s_register_operand” “r”) (match_operand:SI 1 “arm_rhs_operand” “rI”)) (mem:SI (plus:SI (mult:SI (match_dup 0) (const_int 4)) (label_ref (match_operand 2 "" "")))) (label_ref (match_operand 3 "" "")))) (clobber (reg:CC CC_REGNUM)) (use (label_ref (match_dup 2)))])] “TARGET_ARM” "* if (flag_pic) return "cmp\t%0, %1;addls\t%|pc, %|pc, %0, asl #2;b\t%l3"; return "cmp\t%0, %1;ldrls\t%|pc, [%|pc, %0, asl #2];b\t%l3"; " [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_expand “indirect_jump” [(set (pc) (match_operand:SI 0 “s_register_operand” ""))] “TARGET_EITHER” "" )
(define_insn “*arm_indirect_jump” [(set (pc) (match_operand:SI 0 “s_register_operand” “r”))] “TARGET_ARM” “mov%?\t%|pc, %0\t%@ indirect register jump” [(set_attr “predicable” “yes”)] )
;; Although not supported by the define_expand above, ;; cse/combine may generate this form. (define_insn “*load_indirect_jump” [(set (pc) (match_operand:SI 0 “memory_operand” “m”))] “TARGET_ARM” “ldr%?\t%|pc, %0\t%@ indirect memory jump” [(set_attr “type” “load”) (set_attr “pool_range” “4096”) (set_attr “neg_pool_range” “4084”) (set_attr “predicable” “yes”)] )
(define_insn “*thumb_indirect_jump” [(set (pc) (match_operand:SI 0 “register_operand” “l*r”))] “TARGET_THUMB” “mov\tpc, %0” [(set_attr “conds” “clob”) (set_attr “length” “2”)] )
;; Misc insns
(define_insn “nop” [(const_int 0)] “TARGET_EITHER” "* if (TARGET_ARM) return "mov%?\t%|r0, %|r0\t%@ nop"; return "mov\tr8, r8"; " [(set (attr “length”) (if_then_else (eq_attr “is_thumb” “yes”) (const_int 2) (const_int 4)))] )
;; Patterns to allow combination of arithmetic, cond code and shifts
(define_insn “*arith_shiftsi” [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operator:SI 1 “shiftable_operator” [(match_operator:SI 3 “shift_operator” [(match_operand:SI 4 “s_register_operand” “r”) (match_operand:SI 5 “reg_or_int_operand” “rI”)]) (match_operand:SI 2 “s_register_operand” “r”)]))] “TARGET_ARM” “%i1%?\t%0, %2, %4%S3” [(set_attr “predicable” “yes”) (set_attr “shift” “4”) ] )
(define_insn “*arith_shiftsi_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (match_operator:SI 1 “shiftable_operator” [(match_operator:SI 3 “shift_operator” [(match_operand:SI 4 “s_register_operand” “r”) (match_operand:SI 5 “reg_or_int_operand” “rI”)]) (match_operand:SI 2 “s_register_operand” “r”)]) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (match_op_dup 1 [(match_op_dup 3 [(match_dup 4) (match_dup 5)]) (match_dup 2)]))] “TARGET_ARM” “%i1%?s\t%0, %2, %4%S3” [(set_attr “conds” “set”) (set_attr “shift” “4”) ] )
(define_insn “*arith_shiftsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (match_operator:SI 1 “shiftable_operator” [(match_operator:SI 3 “shift_operator” [(match_operand:SI 4 “s_register_operand” “r”) (match_operand:SI 5 “reg_or_int_operand” “rI”)]) (match_operand:SI 2 “s_register_operand” “r”)]) (const_int 0))) (clobber (match_scratch:SI 0 “=r”))] “TARGET_ARM” “%i1%?s\t%0, %2, %4%S3” [(set_attr “conds” “set”) (set_attr “shift” “4”) ] )
(define_insn “*sub_shiftsi” [(set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “reg_or_int_operand” “rM”)])))] “TARGET_ARM” “sub%?\t%0, %1, %3%S2” [(set_attr “predicable” “yes”) (set_attr “shift” “3”) ] )
(define_insn “*sub_shiftsi_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (minus:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “reg_or_int_operand” “rM”)])) (const_int 0))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3) (match_dup 4)])))] “TARGET_ARM” “sub%?s\t%0, %1, %3%S2” [(set_attr “conds” “set”) (set_attr “shift” “3”) ] )
(define_insn “*sub_shiftsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (minus:SI (match_operand:SI 1 “s_register_operand” “r”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “reg_or_int_operand” “rM”)])) (const_int 0))) (clobber (match_scratch:SI 0 “=r”))] “TARGET_ARM” “sub%?s\t%0, %1, %3%S2” [(set_attr “conds” “set”) (set_attr “shift” “3”) ] )
;; These variants of the above insns can occur if the first operand is the ;; frame pointer and we eliminate that. This is a kludge, but there doesn‘t ;; seem to be a way around it. Most of the predicates have to be null ;; because the format can be generated part way through reload, so ;; if we don’t match it as soon as it becomes available, reload doesn‘t know ;; how to reload pseudos that haven’t got hard registers; the constraints will ;; sort everything out.
(define_insn “*reload_mulsi3” [(set (match_operand:SI 0 "" “=&r”) (plus:SI (plus:SI (match_operator:SI 5 “shift_operator” [(match_operand:SI 3 "" “r”) (match_operand:SI 4 "" “rM”)]) (match_operand:SI 2 "" “r”)) (match_operand:SI 1 “const_int_operand” “n”)))] “TARGET_ARM && reload_in_progress” "* output_asm_insn ("add%?\t%0, %2, %3%S5", operands); operands[2] = operands[1]; operands[1] = operands[0]; return output_add_immediate (operands); " [ ; we have no idea how long the add_immediate is, it could be up to 4. (set_attr “length” “20”)] )
(define_insn “*reload_mulsi_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (plus:SI (match_operator:SI 5 “shift_operator” [(match_operand:SI 3 "" “r”) (match_operand:SI 4 "" “rM”)]) (match_operand:SI 1 "" “r”)) (match_operand:SI 2 “const_int_operand” “n”)) (const_int 0))) (set (match_operand:SI 0 "" “=&r”) (plus:SI (plus:SI (match_op_dup 5 [(match_dup 3) (match_dup 4)]) (match_dup 1)) (match_dup 2)))] “TARGET_ARM && reload_in_progress && !arm_is_xscale” "* output_add_immediate (operands); return "add%?s\t%0, %0, %3%S5"; " [(set_attr “conds” “set”) (set_attr “shift” “3”) (set_attr “length” “20”)] )
(define_insn “*reload_mulsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (plus:SI (match_operator:SI 5 “shift_operator” [(match_operand:SI 3 "" “r”) (match_operand:SI 4 "" “rM”)]) (match_operand:SI 1 "" “r”)) (match_operand:SI 2 “const_int_operand” “n”)) (const_int 0))) (clobber (match_scratch:SI 0 “=&r”))] “TARGET_ARM && reload_in_progress && !arm_is_xscale” "* output_add_immediate (operands); return "add%?s\t%0, %0, %3%S5"; " [(set_attr “conds” “set”) (set_attr “shift” “3”) (set_attr “length” “20”)] )
;; These are similar, but are needed when the mla pattern contains the ;; eliminated register as operand 3.
(define_insn “*reload_muladdsi” [(set (match_operand:SI 0 "" “=&r,&r”) (plus:SI (plus:SI (mult:SI (match_operand:SI 1 "" “%0,r”) (match_operand:SI 2 "" “r,r”)) (match_operand:SI 3 "" “r,r”)) (match_operand:SI 4 “const_int_operand” “n,n”)))] “TARGET_ARM && reload_in_progress” "* output_asm_insn ("mla%?\t%0, %2, %1, %3", operands); operands[2] = operands[4]; operands[1] = operands[0]; return output_add_immediate (operands); " [(set_attr “length” “20”) (set_attr “type” “mult”)] )
(define_insn “*reload_muladdsi_compare0” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (plus:SI (mult:SI (match_operand:SI 3 "" “r”) (match_operand:SI 4 "" “r”)) (match_operand:SI 1 "" “r”)) (match_operand:SI 2 “const_int_operand” “n”)) (const_int 0))) (set (match_operand:SI 0 "" “=&r”) (plus:SI (plus:SI (mult:SI (match_dup 3) (match_dup 4)) (match_dup 1)) (match_dup 2)))] “TARGET_ARM && reload_in_progress && !arm_is_xscale” "* output_add_immediate (operands); output_asm_insn ("mla%?s\t%0, %3, %4, %0", operands); return ""; " [(set_attr “length” “20”) (set_attr “conds” “set”) (set_attr “type” “mult”)] )
(define_insn “*reload_muladdsi_compare0_scratch” [(set (reg:CC_NOOV CC_REGNUM) (compare:CC_NOOV (plus:SI (plus:SI (mult:SI (match_operand:SI 3 "" “r”) (match_operand:SI 4 "" “r”)) (match_operand:SI 1 "" “r”)) (match_operand:SI 2 “const_int_operand” “n”)) (const_int 0))) (clobber (match_scratch:SI 0 “=&r”))] “TARGET_ARM && reload_in_progress” "* output_add_immediate (operands); return "mla%?s\t%0, %3, %4, %0"; " [(set_attr “length” “20”) (set_attr “conds” “set”) (set_attr “type” “mult”)] )
(define_insn “*and_scc” [(set (match_operand:SI 0 “s_register_operand” “=r”) (and:SI (match_operator:SI 1 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)]) (match_operand:SI 2 “s_register_operand” “r”)))] “TARGET_ARM” “mov%D1\t%0, #0;and%d1\t%0, %2, #1” [(set_attr “conds” “use”) (set_attr “length” “8”)] )
(define_insn “*ior_scc” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (ior:SI (match_operator:SI 2 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “s_register_operand” “0,?r”)))] “TARGET_ARM” “@ orr%d2\t%0, %1, #1 mov%D2\t%0, %1;orr%d2\t%0, %1, #1” [(set_attr “conds” “use”) (set_attr “length” “4,8”)] )
(define_insn “*compare_scc” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (match_operator:SI 1 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_add_operand” “rI,L”)])) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* if (GET_CODE (operands[1]) == LT && operands[3] == const0_rtx) return "mov\t%0, %2, lsr #31";
if (GET_CODE (operands[1]) == GE && operands[3] == const0_rtx)
return \"mvn\\t%0, %2\;mov\\t%0, %0, lsr #31\";
if (GET_CODE (operands[1]) == NE)
{
if (which_alternative == 1)
return \"adds\\t%0, %2, #%n3\;movne\\t%0, #1\";
return \"subs\\t%0, %2, %3\;movne\\t%0, #1\";
}
if (which_alternative == 1)
output_asm_insn (\"cmn\\t%2, #%n3\", operands);
else
output_asm_insn (\"cmp\\t%2, %3\", operands);
return \"mov%D1\\t%0, #0\;mov%d1\\t%0, #1\";
" [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_insn “*cond_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 3 “equality_operator” [(match_operator 4 “arm_comparison_operator” [(match_operand 5 “cc_register” "") (const_int 0)]) (const_int 0)]) (match_operand:SI 1 “arm_rhs_operand” “0,rI,?rI”) (match_operand:SI 2 “arm_rhs_operand” “rI,0,rI”)))] “TARGET_ARM” "* if (GET_CODE (operands[3]) == NE) { if (which_alternative != 1) output_asm_insn ("mov%D4\t%0, %2", operands); if (which_alternative != 0) output_asm_insn ("mov%d4\t%0, %1", operands); return ""; } if (which_alternative != 0) output_asm_insn ("mov%D4\t%0, %1", operands); if (which_alternative != 1) output_asm_insn ("mov%d4\t%0, %2", operands); return ""; " [(set_attr “conds” “use”) (set_attr “length” “4,4,8”)] )
(define_insn “*cond_arith” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (match_operator:SI 5 “shiftable_operator” [(match_operator:SI 4 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rI,rI”)]) (match_operand:SI 1 “s_register_operand” “0,?r”)])) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* if (GET_CODE (operands[4]) == LT && operands[3] == const0_rtx) return "%i5\t%0, %1, %2, lsr #31";
output_asm_insn (\"cmp\\t%2, %3\", operands); if (GET_CODE (operands[5]) == AND) output_asm_insn (\"mov%D4\\t%0, #0\", operands); else if (GET_CODE (operands[5]) == MINUS) output_asm_insn (\"rsb%D4\\t%0, %1, #0\", operands); else if (which_alternative != 0) output_asm_insn (\"mov%D4\\t%0, %1\", operands); return \"%i5%d4\\t%0, %1, #1\";
" [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_insn “*cond_sub” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (minus:SI (match_operand:SI 1 “s_register_operand” “0,?r”) (match_operator:SI 4 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rI,rI”)]))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* output_asm_insn ("cmp\t%2, %3", operands); if (which_alternative != 0) output_asm_insn ("mov%D4\t%0, %1", operands); return "sub%d4\t%0, %1, #1"; " [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*cmp_ite0” [(set (match_operand 6 “dominant_cc_register” "") (compare (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand:SI 0 “s_register_operand” “r,r,r,r”) (match_operand:SI 1 “arm_add_operand” “rI,L,rI,L”)]) (match_operator:SI 5 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 3 “arm_add_operand” “rI,rI,L,L”)]) (const_int 0)) (const_int 0)))] “TARGET_ARM” "* { static const char * const opcodes[4][2] = { {"cmp\t%2, %3;cmp%d5\t%0, %1", "cmp\t%0, %1;cmp%d4\t%2, %3"}, {"cmp\t%2, %3;cmn%d5\t%0, #%n1", "cmn\t%0, #%n1;cmp%d4\t%2, %3"}, {"cmn\t%2, #%n3;cmp%d5\t%0, %1", "cmp\t%0, %1;cmn%d4\t%2, #%n3"}, {"cmn\t%2, #%n3;cmn%d5\t%0, #%n1", "cmn\t%0, #%n1;cmn%d4\t%2, #%n3"} }; int swap = comparison_dominates_p (GET_CODE (operands[5]), GET_CODE (operands[4]));
return opcodes[which_alternative][swap];
}" [(set_attr “conds” “set”) (set_attr “length” “8”)] )
(define_insn “*cmp_ite1” [(set (match_operand 6 “dominant_cc_register” "") (compare (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand:SI 0 “s_register_operand” “r,r,r,r”) (match_operand:SI 1 “arm_add_operand” “rI,L,rI,L”)]) (match_operator:SI 5 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 3 “arm_add_operand” “rI,rI,L,L”)]) (const_int 1)) (const_int 0)))] “TARGET_ARM” "* { static const char * const opcodes[4][2] = { {"cmp\t%0, %1;cmp%d4\t%2, %3", "cmp\t%2, %3;cmp%D5\t%0, %1"}, {"cmn\t%0, #%n1;cmp%d4\t%2, %3", "cmp\t%2, %3;cmn%D5\t%0, #%n1"}, {"cmp\t%0, %1;cmn%d4\t%2, #%n3", "cmn\t%2, #%n3;cmp%D5\t%0, %1"}, {"cmn\t%0, #%n1;cmn%d4\t%2, #%n3", "cmn\t%2, #%n3;cmn%D5\t%0, #%n1"} }; int swap = comparison_dominates_p (GET_CODE (operands[5]), reverse_condition (GET_CODE (operands[4])));
return opcodes[which_alternative][swap];
}" [(set_attr “conds” “set”) (set_attr “length” “8”)] )
(define_insn “*cmp_and” [(set (match_operand 6 “dominant_cc_register” "") (compare (and:SI (match_operator 4 “arm_comparison_operator” [(match_operand:SI 0 “s_register_operand” “r,r,r,r”) (match_operand:SI 1 “arm_add_operand” “rI,L,rI,L”)]) (match_operator:SI 5 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 3 “arm_add_operand” “rI,rI,L,L”)])) (const_int 0)))] “TARGET_ARM” "* { static const char *const opcodes[4][2] = { {"cmp\t%2, %3;cmp%d5\t%0, %1", "cmp\t%0, %1;cmp%d4\t%2, %3"}, {"cmp\t%2, %3;cmn%d5\t%0, #%n1", "cmn\t%0, #%n1;cmp%d4\t%2, %3"}, {"cmn\t%2, #%n3;cmp%d5\t%0, %1", "cmp\t%0, %1;cmn%d4\t%2, #%n3"}, {"cmn\t%2, #%n3;cmn%d5\t%0, #%n1", "cmn\t%0, #%n1;cmn%d4\t%2, #%n3"} }; int swap = comparison_dominates_p (GET_CODE (operands[5]), GET_CODE (operands[4]));
return opcodes[which_alternative][swap];
}" [(set_attr “conds” “set”) (set_attr “predicable” “no”) (set_attr “length” “8”)] )
(define_insn “*cmp_ior” [(set (match_operand 6 “dominant_cc_register” "") (compare (ior:SI (match_operator 4 “arm_comparison_operator” [(match_operand:SI 0 “s_register_operand” “r,r,r,r”) (match_operand:SI 1 “arm_add_operand” “rI,L,rI,L”)]) (match_operator:SI 5 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 3 “arm_add_operand” “rI,rI,L,L”)])) (const_int 0)))] “TARGET_ARM” "* { static const char *const opcodes[4][2] = { {"cmp\t%0, %1;cmp%D4\t%2, %3", "cmp\t%2, %3;cmp%D5\t%0, %1"}, {"cmn\t%0, #%n1;cmp%D4\t%2, %3", "cmp\t%2, %3;cmn%D5\t%0, #%n1"}, {"cmp\t%0, %1;cmn%D4\t%2, #%n3", "cmn\t%2, #%n3;cmp%D5\t%0, %1"}, {"cmn\t%0, #%n1;cmn%D4\t%2, #%n3", "cmn\t%2, #%n3;cmn%D5\t%0, #%n1"} }; int swap = comparison_dominates_p (GET_CODE (operands[5]), GET_CODE (operands[4]));
return opcodes[which_alternative][swap]; } " [(set_attr “conds” “set”) (set_attr “length” “8”)] )
(define_insn “*negscc” [(set (match_operand:SI 0 “s_register_operand” “=r”) (neg:SI (match_operator 3 “arm_comparison_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)]))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* if (GET_CODE (operands[3]) == LT && operands[3] == const0_rtx) return "mov\t%0, %1, asr #31";
if (GET_CODE (operands[3]) == NE) return "subs\t%0, %1, %2;mvnne\t%0, #0";
if (GET_CODE (operands[3]) == GT) return "subs\t%0, %1, %2;mvnne\t%0, %0, asr #31";
output_asm_insn ("cmp\t%1, %2", operands); output_asm_insn ("mov%D3\t%0, #0", operands); return "mvn%d3\t%0, #0"; " [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_insn “movcond” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand:SI 3 “s_register_operand” “r,r,r”) (match_operand:SI 4 “arm_add_operand” “rIL,rIL,rIL”)]) (match_operand:SI 1 “arm_rhs_operand” “0,rI,?rI”) (match_operand:SI 2 “arm_rhs_operand” “rI,0,rI”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* if (GET_CODE (operands[5]) == LT && (operands[4] == const0_rtx)) { if (which_alternative != 1 && GET_CODE (operands[1]) == REG) { if (operands[2] == const0_rtx) return "and\t%0, %1, %3, asr #31"; return "ands\t%0, %1, %3, asr #32;movcc\t%0, %2"; } else if (which_alternative != 0 && GET_CODE (operands[2]) == REG) { if (operands[1] == const0_rtx) return "bic\t%0, %2, %3, asr #31"; return "bics\t%0, %2, %3, asr #32;movcs\t%0, %1"; } /* The only case that falls through to here is when both ops 1 & 2 are constants */ }
if (GET_CODE (operands[5]) == GE && (operands[4] == const0_rtx)) { if (which_alternative != 1 && GET_CODE (operands[1]) == REG) { if (operands[2] == const0_rtx) return "bic\t%0, %1, %3, asr #31"; return "bics\t%0, %1, %3, asr #32;movcs\t%0, %2"; } else if (which_alternative != 0 && GET_CODE (operands[2]) == REG) { if (operands[1] == const0_rtx) return "and\t%0, %2, %3, asr #31"; return "ands\t%0, %2, %3, asr #32;movcc\t%0, %1"; } /* The only case that falls through to here is when both ops 1 & 2 are constants */ } if (GET_CODE (operands[4]) == CONST_INT && !const_ok_for_arm (INTVAL (operands[4]))) output_asm_insn ("cmn\t%3, #%n4", operands); else output_asm_insn ("cmp\t%3, %4", operands); if (which_alternative != 0) output_asm_insn ("mov%d5\t%0, %1", operands); if (which_alternative != 1) output_asm_insn ("mov%D5\t%0, %2", operands); return ""; " [(set_attr “conds” “clob”) (set_attr “length” “8,8,12”)] )
(define_insn “*ifcompare_plus_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 4 “s_register_operand” “r,r”) (match_operand:SI 5 “arm_add_operand” “rIL,rIL”)]) (plus:SI (match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_add_operand” “rIL,rIL”)) (match_operand:SI 1 “arm_rhs_operand” “0,?rI”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_plus_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 5 “cc_register” "") (const_int 0)]) (plus:SI (match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 3 “arm_add_operand” “rI,L,rI,L”)) (match_operand:SI 1 “arm_rhs_operand” “0,0,?rI,?rI”)))] “TARGET_ARM” “@ add%d4\t%0, %2, %3 sub%d4\t%0, %2, #%n3 add%d4\t%0, %2, %3;mov%D4\t%0, %1 sub%d4\t%0, %2, #%n3;mov%D4\t%0, %1” [(set_attr “conds” “use”) (set_attr “length” “4,4,8,8”) (set_attr “type” “,,,”)] )
(define_insn “*ifcompare_move_plus” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 4 “s_register_operand” “r,r”) (match_operand:SI 5 “arm_add_operand” “rIL,rIL”)]) (match_operand:SI 1 “arm_rhs_operand” “0,?rI”) (plus:SI (match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_add_operand” “rIL,rIL”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_move_plus” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 5 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “arm_rhs_operand” “0,0,?rI,?rI”) (plus:SI (match_operand:SI 2 “s_register_operand” “r,r,r,r”) (match_operand:SI 3 “arm_add_operand” “rI,L,rI,L”))))] “TARGET_ARM” “@ add%D4\t%0, %2, %3 sub%D4\t%0, %2, #%n3 add%D4\t%0, %2, %3;mov%d4\t%0, %1 sub%D4\t%0, %2, #%n3;mov%d4\t%0, %1” [(set_attr “conds” “use”) (set_attr “length” “4,4,8,8”) (set_attr “type” “,,,”)] )
(define_insn “*ifcompare_arith_arith” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 9 “arm_comparison_operator” [(match_operand:SI 5 “s_register_operand” “r”) (match_operand:SI 6 “arm_add_operand” “rIL”)]) (match_operator:SI 8 “shiftable_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)]) (match_operator:SI 7 “shiftable_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “arm_rhs_operand” “rI”)]))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_insn “*if_arith_arith” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand 8 “cc_register” "") (const_int 0)]) (match_operator:SI 6 “shiftable_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rI”)]) (match_operator:SI 7 “shiftable_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “arm_rhs_operand” “rI”)])))] “TARGET_ARM” “%I6%d5\t%0, %1, %2;%I7%D5\t%0, %3, %4” [(set_attr “conds” “use”) (set_attr “length” “8”)] )
(define_insn “*ifcompare_arith_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_add_operand” “rIL,rIL”)]) (match_operator:SI 7 “shiftable_operator” [(match_operand:SI 4 “s_register_operand” “r,r”) (match_operand:SI 5 “arm_rhs_operand” “rI,rI”)]) (match_operand:SI 1 “arm_rhs_operand” “0,?rI”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* /* If we have an operation where (op x 0) is the identity operation and the conditional operator is LT or GE and we are comparing against zero and everything is in registers then we can do this in two instructions */ if (operands[3] == const0_rtx && GET_CODE (operands[7]) != AND && GET_CODE (operands[5]) == REG && GET_CODE (operands[1]) == REG && REGNO (operands[1]) == REGNO (operands[4]) && REGNO (operands[4]) != REGNO (operands[0])) { if (GET_CODE (operands[6]) == LT) return "and\t%0, %5, %2, asr #31;%I7\t%0, %4, %0"; else if (GET_CODE (operands[6]) == GE) return "bic\t%0, %5, %2, asr #31;%I7\t%0, %4, %0"; } if (GET_CODE (operands[3]) == CONST_INT && !const_ok_for_arm (INTVAL (operands[3]))) output_asm_insn ("cmn\t%2, #%n3", operands); else output_asm_insn ("cmp\t%2, %3", operands); output_asm_insn ("%I7%d6\t%0, %4, %5", operands); if (which_alternative != 0) return "mov%D6\t%0, %1"; return ""; " [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_arith_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 6 “cc_register” "") (const_int 0)]) (match_operator:SI 5 “shiftable_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rI,rI”)]) (match_operand:SI 1 “arm_rhs_operand” “0,?rI”)))] “TARGET_ARM” “@ %I5%d4\t%0, %2, %3 %I5%d4\t%0, %2, %3;mov%D4\t%0, %1” [(set_attr “conds” “use”) (set_attr “length” “4,8”) (set_attr “type” “,”)] )
(define_insn “*ifcompare_move_arith” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 4 “s_register_operand” “r,r”) (match_operand:SI 5 “arm_add_operand” “rIL,rIL”)]) (match_operand:SI 1 “arm_rhs_operand” “0,?rI”) (match_operator:SI 7 “shiftable_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rI,rI”)]))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” "* /* If we have an operation where (op x 0) is the identity operation and the conditional operator is LT or GE and we are comparing against zero and everything is in registers then we can do this in two instructions */ if (operands[5] == const0_rtx && GET_CODE (operands[7]) != AND && GET_CODE (operands[3]) == REG && GET_CODE (operands[1]) == REG && REGNO (operands[1]) == REGNO (operands[2]) && REGNO (operands[2]) != REGNO (operands[0])) { if (GET_CODE (operands[6]) == GE) return "and\t%0, %3, %4, asr #31;%I7\t%0, %2, %0"; else if (GET_CODE (operands[6]) == LT) return "bic\t%0, %3, %4, asr #31;%I7\t%0, %2, %0"; }
if (GET_CODE (operands[5]) == CONST_INT && !const_ok_for_arm (INTVAL (operands[5]))) output_asm_insn ("cmn\t%4, #%n5", operands); else output_asm_insn ("cmp\t%4, %5", operands);
if (which_alternative != 0) output_asm_insn ("mov%d6\t%0, %1", operands); return "%I7%D6\t%0, %2, %3"; " [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_move_arith” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 6 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “arm_rhs_operand” “0,?rI”) (match_operator:SI 5 “shiftable_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rI,rI”)])))] “TARGET_ARM” “@ %I5%D4\t%0, %2, %3 %I5%D4\t%0, %2, %3;mov%d4\t%0, %1” [(set_attr “conds” “use”) (set_attr “length” “4,8”) (set_attr “type” “,”)] )
(define_insn “*ifcompare_move_not” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand:SI 3 “s_register_operand” “r,r”) (match_operand:SI 4 “arm_add_operand” “rIL,rIL”)]) (match_operand:SI 1 “arm_not_operand” “0,?rIK”) (not:SI (match_operand:SI 2 “s_register_operand” “r,r”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_move_not” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “arm_not_operand” “0,?rI,K”) (not:SI (match_operand:SI 2 “s_register_operand” “r,r,r”))))] “TARGET_ARM” “@ mvn%D4\t%0, %2 mov%d4\t%0, %1;mvn%D4\t%0, %2 mvn%d4\t%0, #%B1;mvn%D4\t%0, %2” [(set_attr “conds” “use”) (set_attr “length” “4,8,8”)] )
(define_insn “*ifcompare_not_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand:SI 3 “s_register_operand” “r,r”) (match_operand:SI 4 “arm_add_operand” “rIL,rIL”)]) (not:SI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:SI 1 “arm_not_operand” “0,?rIK”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_not_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)]) (not:SI (match_operand:SI 2 “s_register_operand” “r,r,r”)) (match_operand:SI 1 “arm_not_operand” “0,?rI,K”)))] “TARGET_ARM” “@ mvn%d4\t%0, %2 mov%D4\t%0, %1;mvn%d4\t%0, %2 mvn%D4\t%0, #%B1;mvn%d4\t%0, %2” [(set_attr “conds” “use”) (set_attr “length” “4,8,8”)] )
(define_insn “*ifcompare_shift_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 4 “s_register_operand” “r,r”) (match_operand:SI 5 “arm_add_operand” “rIL,rIL”)]) (match_operator:SI 7 “shift_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rM,rM”)]) (match_operand:SI 1 “arm_not_operand” “0,?rIK”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_shift_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand 6 “cc_register” "") (const_int 0)]) (match_operator:SI 4 “shift_operator” [(match_operand:SI 2 “s_register_operand” “r,r,r”) (match_operand:SI 3 “arm_rhs_operand” “rM,rM,rM”)]) (match_operand:SI 1 “arm_not_operand” “0,?rI,K”)))] “TARGET_ARM” “@ mov%d5\t%0, %2%S4 mov%D5\t%0, %1;mov%d5\t%0, %2%S4 mvn%D5\t%0, #%B1;mov%d5\t%0, %2%S4” [(set_attr “conds” “use”) (set_attr “shift” “2”) (set_attr “length” “4,8,8”)] )
(define_insn “*ifcompare_move_shift” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 4 “s_register_operand” “r,r”) (match_operand:SI 5 “arm_add_operand” “rIL,rIL”)]) (match_operand:SI 1 “arm_not_operand” “0,?rIK”) (match_operator:SI 7 “shift_operator” [(match_operand:SI 2 “s_register_operand” “r,r”) (match_operand:SI 3 “arm_rhs_operand” “rM,rM”)]))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_move_shift” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand 6 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “arm_not_operand” “0,?rI,K”) (match_operator:SI 4 “shift_operator” [(match_operand:SI 2 “s_register_operand” “r,r,r”) (match_operand:SI 3 “arm_rhs_operand” “rM,rM,rM”)])))] “TARGET_ARM” “@ mov%D5\t%0, %2%S4 mov%d5\t%0, %1;mov%D5\t%0, %2%S4 mvn%d5\t%0, #%B1;mov%D5\t%0, %2%S4” [(set_attr “conds” “use”) (set_attr “shift” “2”) (set_attr “length” “4,8,8”)] )
(define_insn “*ifcompare_shift_shift” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 7 “arm_comparison_operator” [(match_operand:SI 5 “s_register_operand” “r”) (match_operand:SI 6 “arm_add_operand” “rIL”)]) (match_operator:SI 8 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)]) (match_operator:SI 9 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “arm_rhs_operand” “rM”)]))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_insn “*if_shift_shift” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand 8 “cc_register” "") (const_int 0)]) (match_operator:SI 6 “shift_operator” [(match_operand:SI 1 “s_register_operand” “r”) (match_operand:SI 2 “arm_rhs_operand” “rM”)]) (match_operator:SI 7 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “arm_rhs_operand” “rM”)])))] “TARGET_ARM” “mov%d5\t%0, %1%S6;mov%D5\t%0, %3%S7” [(set_attr “conds” “use”) (set_attr “shift” “1”) (set_attr “length” “8”)] )
(define_insn “*ifcompare_not_arith” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 4 “s_register_operand” “r”) (match_operand:SI 5 “arm_add_operand” “rIL”)]) (not:SI (match_operand:SI 1 “s_register_operand” “r”)) (match_operator:SI 7 “shiftable_operator” [(match_operand:SI 2 “s_register_operand” “r”) (match_operand:SI 3 “arm_rhs_operand” “rI”)]))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_insn “*if_not_arith” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand 4 “cc_register” "") (const_int 0)]) (not:SI (match_operand:SI 1 “s_register_operand” “r”)) (match_operator:SI 6 “shiftable_operator” [(match_operand:SI 2 “s_register_operand” “r”) (match_operand:SI 3 “arm_rhs_operand” “rI”)])))] “TARGET_ARM” “mvn%d5\t%0, %1;%I6%D5\t%0, %2, %3” [(set_attr “conds” “use”) (set_attr “length” “8”)] )
(define_insn “*ifcompare_arith_not” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 6 “arm_comparison_operator” [(match_operand:SI 4 “s_register_operand” “r”) (match_operand:SI 5 “arm_add_operand” “rIL”)]) (match_operator:SI 7 “shiftable_operator” [(match_operand:SI 2 “s_register_operand” “r”) (match_operand:SI 3 “arm_rhs_operand” “rI”)]) (not:SI (match_operand:SI 1 “s_register_operand” “r”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
(define_insn “*if_arith_not” [(set (match_operand:SI 0 “s_register_operand” “=r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand 4 “cc_register” "") (const_int 0)]) (match_operator:SI 6 “shiftable_operator” [(match_operand:SI 2 “s_register_operand” “r”) (match_operand:SI 3 “arm_rhs_operand” “rI”)]) (not:SI (match_operand:SI 1 “s_register_operand” “r”))))] “TARGET_ARM” “mvn%D5\t%0, %1;%I6%d5\t%0, %2, %3” [(set_attr “conds” “use”) (set_attr “length” “8”)] )
(define_insn “*ifcompare_neg_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand:SI 3 “s_register_operand” “r,r”) (match_operand:SI 4 “arm_add_operand” “rIL,rIL”)]) (neg:SI (match_operand:SI 2 “s_register_operand” “r,r”)) (match_operand:SI 1 “arm_not_operand” “0,?rIK”))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_neg_move” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)]) (neg:SI (match_operand:SI 2 “s_register_operand” “r,r,r”)) (match_operand:SI 1 “arm_not_operand” “0,?rI,K”)))] “TARGET_ARM” “@ rsb%d4\t%0, %2, #0 mov%D4\t%0, %1;rsb%d4\t%0, %2, #0 mvn%D4\t%0, #%B1;rsb%d4\t%0, %2, #0” [(set_attr “conds” “use”) (set_attr “length” “4,8,8”)] )
(define_insn “*ifcompare_move_neg” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 5 “arm_comparison_operator” [(match_operand:SI 3 “s_register_operand” “r,r”) (match_operand:SI 4 “arm_add_operand” “rIL,rIL”)]) (match_operand:SI 1 “arm_not_operand” “0,?rIK”) (neg:SI (match_operand:SI 2 “s_register_operand” “r,r”)))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM” “#” [(set_attr “conds” “clob”) (set_attr “length” “8,12”)] )
(define_insn “*if_move_neg” [(set (match_operand:SI 0 “s_register_operand” “=r,r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “arm_not_operand” “0,?rI,K”) (neg:SI (match_operand:SI 2 “s_register_operand” “r,r,r”))))] “TARGET_ARM” “@ rsb%D4\t%0, %2, #0 mov%d4\t%0, %1;rsb%D4\t%0, %2, #0 mvn%d4\t%0, #%B1;rsb%D4\t%0, %2, #0” [(set_attr “conds” “use”) (set_attr “length” “4,8,8”)] )
(define_insn “*arith_adjacentmem” [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operator:SI 1 “shiftable_operator” [(match_operand:SI 2 “memory_operand” “m”) (match_operand:SI 3 “memory_operand” “m”)])) (clobber (match_scratch:SI 4 “=r”))] “TARGET_ARM && adjacent_mem_locations (operands[2], operands[3])” "* { rtx ldm[3]; rtx arith[4]; int val1 = 0, val2 = 0;
if (REGNO (operands[0]) > REGNO (operands[4]))
{
ldm[1] = operands[4];
ldm[2] = operands[0];
}
else
{
ldm[1] = operands[0];
ldm[2] = operands[4];
}
if (GET_CODE (XEXP (operands[2], 0)) != REG)
val1 = INTVAL (XEXP (XEXP (operands[2], 0), 1));
if (GET_CODE (XEXP (operands[3], 0)) != REG)
val2 = INTVAL (XEXP (XEXP (operands[3], 0), 1));
arith[0] = operands[0];
arith[3] = operands[1];
if (val1 < val2)
{
arith[1] = ldm[1];
arith[2] = ldm[2];
}
else
{
arith[1] = ldm[2];
arith[2] = ldm[1];
}
if (val1 && val2) { rtx ops[3]; ldm[0] = ops[0] = operands[4]; ops[1] = XEXP (XEXP (operands[2], 0), 0); ops[2] = XEXP (XEXP (operands[2], 0), 1); output_add_immediate (ops); if (val1 < val2) output_asm_insn ("ldm%?ia\t%0, {%1, %2}", ldm); else output_asm_insn ("ldm%?da\t%0, {%1, %2}", ldm); } else if (val1) { ldm[0] = XEXP (operands[3], 0); if (val1 < val2) output_asm_insn ("ldm%?da\t%0, {%1, %2}", ldm); else output_asm_insn ("ldm%?ia\t%0, {%1, %2}", ldm); } else { ldm[0] = XEXP (operands[2], 0); if (val1 < val2) output_asm_insn ("ldm%?ia\t%0, {%1, %2}", ldm); else output_asm_insn ("ldm%?da\t%0, {%1, %2}", ldm); } output_asm_insn ("%I3%?\t%0, %1, %2", arith); return ""; }" [(set_attr “length” “12”) (set_attr “predicable” “yes”) (set_attr “type” “load”)] )
;; the arm can support extended pre-inc instructions
;; In all these cases, we use operands 0 and 1 for the register being ;; incremented because those are the operands that local-alloc will ;; tie and these are the pair most likely to be tieable (and the ones ;; that will benefit the most).
;; We reject the frame pointer if it occurs anywhere in these patterns since ;; elimination will cause too many headaches.
(define_insn “*strqi_preinc” [(set (mem:QI (plus:SI (match_operand:SI 1 “s_register_operand” “%0”) (match_operand:SI 2 “index_operand” “rJ”))) (match_operand:QI 3 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “str%?b\t%3, [%0, %2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*strqi_predec” [(set (mem:QI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operand:SI 2 “s_register_operand” “r”))) (match_operand:QI 3 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “str%?b\t%3, [%0, -%2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*loadqi_preinc” [(set (match_operand:QI 3 “s_register_operand” “=r”) (mem:QI (plus:SI (match_operand:SI 1 “s_register_operand” “%0”) (match_operand:SI 2 “index_operand” “rJ”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?b\t%3, [%0, %2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadqi_predec” [(set (match_operand:QI 3 “s_register_operand” “=r”) (mem:QI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operand:SI 2 “s_register_operand” “r”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?b\t%3, [%0, -%2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadqisi_preinc” [(set (match_operand:SI 3 “s_register_operand” “=r”) (zero_extend:SI (mem:QI (plus:SI (match_operand:SI 1 “s_register_operand” “%0”) (match_operand:SI 2 “index_operand” “rJ”))))) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?b\t%3, [%0, %2]!\t%@ z_extendqisi” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadqisi_predec” [(set (match_operand:SI 3 “s_register_operand” “=r”) (zero_extend:SI (mem:QI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operand:SI 2 “s_register_operand” “r”))))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?b\t%3, [%0, -%2]!\t%@ z_extendqisi” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*strsi_preinc” [(set (mem:SI (plus:SI (match_operand:SI 1 “s_register_operand” “%0”) (match_operand:SI 2 “index_operand” “rJ”))) (match_operand:SI 3 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “str%?\t%3, [%0, %2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*strsi_predec” [(set (mem:SI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operand:SI 2 “s_register_operand” “r”))) (match_operand:SI 3 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “str%?\t%3, [%0, -%2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*loadsi_preinc” [(set (match_operand:SI 3 “s_register_operand” “=r”) (mem:SI (plus:SI (match_operand:SI 1 “s_register_operand” “%0”) (match_operand:SI 2 “index_operand” “rJ”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?\t%3, [%0, %2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadsi_predec” [(set (match_operand:SI 3 “s_register_operand” “=r”) (mem:SI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operand:SI 2 “s_register_operand” “r”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?\t%3, [%0, -%2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadhi_preinc” [(set (match_operand:HI 3 “s_register_operand” “=r”) (mem:HI (plus:SI (match_operand:SI 1 “s_register_operand” “%0”) (match_operand:SI 2 “index_operand” “rJ”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && !BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?\t%3, [%0, %2]!\t%@ loadhi” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadhi_predec” [(set (match_operand:HI 3 “s_register_operand” “=r”) (mem:HI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operand:SI 2 “s_register_operand” “r”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_dup 2)))] “TARGET_ARM && !BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != FRAME_POINTER_REGNUM)” “ldr%?\t%3, [%0, -%2]!\t%@ loadhi” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*strqi_shiftpreinc” [(set (mem:QI (plus:SI (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)]) (match_operand:SI 1 “s_register_operand” “0”))) (match_operand:QI 5 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)]) (match_dup 1)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “str%?b\t%5, [%0, %3%S2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*strqi_shiftpredec” [(set (mem:QI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)]))) (match_operand:QI 5 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3) (match_dup 4)])))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “str%?b\t%5, [%0, -%3%S2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*loadqi_shiftpreinc” [(set (match_operand:QI 5 “s_register_operand” “=r”) (mem:QI (plus:SI (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)]) (match_operand:SI 1 “s_register_operand” “0”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)]) (match_dup 1)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “ldr%?b\t%5, [%0, %3%S2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadqi_shiftpredec” [(set (match_operand:QI 5 “s_register_operand” “=r”) (mem:QI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)])))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3) (match_dup 4)])))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “ldr%?b\t%5, [%0, -%3%S2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*strsi_shiftpreinc” [(set (mem:SI (plus:SI (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)]) (match_operand:SI 1 “s_register_operand” “0”))) (match_operand:SI 5 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)]) (match_dup 1)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “str%?\t%5, [%0, %3%S2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*strsi_shiftpredec” [(set (mem:SI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)]))) (match_operand:SI 5 “s_register_operand” “r”)) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3) (match_dup 4)])))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “str%?\t%5, [%0, -%3%S2]!” [(set_attr “type” “store1”) (set_attr “predicable” “yes”)] )
(define_insn “*loadsi_shiftpreinc” [(set (match_operand:SI 5 “s_register_operand” “=r”) (mem:SI (plus:SI (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)]) (match_operand:SI 1 “s_register_operand” “0”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)]) (match_dup 1)))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “ldr%?\t%5, [%0, %3%S2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadsi_shiftpredec” [(set (match_operand:SI 5 “s_register_operand” “=r”) (mem:SI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)])))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3) (match_dup 4)])))] “TARGET_ARM && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “ldr%?\t%5, [%0, -%3%S2]!” [(set_attr “type” “load”) (set_attr “predicable” “yes”)])
(define_insn “*loadhi_shiftpreinc” [(set (match_operand:HI 5 “s_register_operand” “=r”) (mem:HI (plus:SI (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)]) (match_operand:SI 1 “s_register_operand” “0”)))) (set (match_operand:SI 0 “s_register_operand” “=r”) (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)]) (match_dup 1)))] “TARGET_ARM && !BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “ldr%?\t%5, [%0, %3%S2]!\t%@ loadhi” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
(define_insn “*loadhi_shiftpredec” [(set (match_operand:HI 5 “s_register_operand” “=r”) (mem:HI (minus:SI (match_operand:SI 1 “s_register_operand” “0”) (match_operator:SI 2 “shift_operator” [(match_operand:SI 3 “s_register_operand” “r”) (match_operand:SI 4 “const_shift_operand” “n”)])))) (set (match_operand:SI 0 “s_register_operand” “=r”) (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3) (match_dup 4)])))] “TARGET_ARM && !BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS && REGNO (operands[0]) != FRAME_POINTER_REGNUM && REGNO (operands[1]) != FRAME_POINTER_REGNUM && REGNO (operands[3]) != FRAME_POINTER_REGNUM” “ldr%?\t%5, [%0, -%3%S2]!\t%@ loadhi” [(set_attr “type” “load”) (set_attr “predicable” “yes”)] )
; It can also support extended post-inc expressions, but combine doesn‘t ; try these.... ; It doesn’t seem worth adding peepholes for anything but the most common ; cases since, unlike combine, the increment must immediately follow the load ; for this pattern to match. ; We must watch to see that the source/destination register isn't also the ; same as the base address register, and that if the index is a register, ; that it is not the same as the base address register. In such cases the ; instruction that we would generate would have UNPREDICTABLE behaviour so ; we cannot use it.
(define_peephole [(set (mem:QI (match_operand:SI 0 “s_register_operand” “+r”)) (match_operand:QI 2 “s_register_operand” “r”)) (set (match_dup 0) (plus:SI (match_dup 0) (match_operand:SI 1 “index_operand” “rJ”)))] “TARGET_ARM && (REGNO (operands[2]) != REGNO (operands[0])) && (GET_CODE (operands[1]) != REG || (REGNO (operands[1]) != REGNO (operands[0])))” “str%?b\t%2, [%0], %1” )
(define_peephole [(set (match_operand:QI 0 “s_register_operand” “=r”) (mem:QI (match_operand:SI 1 “s_register_operand” “+r”))) (set (match_dup 1) (plus:SI (match_dup 1) (match_operand:SI 2 “index_operand” “rJ”)))] “TARGET_ARM && REGNO (operands[0]) != REGNO(operands[1]) && (GET_CODE (operands[2]) != REG || REGNO(operands[0]) != REGNO (operands[2]))” “ldr%?b\t%0, [%1], %2” )
(define_peephole [(set (mem:SI (match_operand:SI 0 “s_register_operand” “+r”)) (match_operand:SI 2 “s_register_operand” “r”)) (set (match_dup 0) (plus:SI (match_dup 0) (match_operand:SI 1 “index_operand” “rJ”)))] “TARGET_ARM && (REGNO (operands[2]) != REGNO (operands[0])) && (GET_CODE (operands[1]) != REG || (REGNO (operands[1]) != REGNO (operands[0])))” “str%?\t%2, [%0], %1” )
(define_peephole [(set (match_operand:HI 0 “s_register_operand” “=r”) (mem:HI (match_operand:SI 1 “s_register_operand” “+r”))) (set (match_dup 1) (plus:SI (match_dup 1) (match_operand:SI 2 “index_operand” “rJ”)))] “TARGET_ARM && !BYTES_BIG_ENDIAN && !TARGET_MMU_TRAPS && REGNO (operands[0]) != REGNO(operands[1]) && (GET_CODE (operands[2]) != REG || REGNO(operands[0]) != REGNO (operands[2]))” “ldr%?\t%0, [%1], %2\t%@ loadhi” )
(define_peephole [(set (match_operand:SI 0 “s_register_operand” “=r”) (mem:SI (match_operand:SI 1 “s_register_operand” “+r”))) (set (match_dup 1) (plus:SI (match_dup 1) (match_operand:SI 2 “index_operand” “rJ”)))] “TARGET_ARM && REGNO (operands[0]) != REGNO(operands[1]) && (GET_CODE (operands[2]) != REG || REGNO(operands[0]) != REGNO (operands[2]))” “ldr%?\t%0, [%1], %2” )
(define_peephole [(set (mem:QI (plus:SI (match_operand:SI 0 “s_register_operand” “+r”) (match_operand:SI 1 “index_operand” “rJ”))) (match_operand:QI 2 “s_register_operand” “r”)) (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 1)))] “TARGET_ARM && (REGNO (operands[2]) != REGNO (operands[0])) && (GET_CODE (operands[1]) != REG || (REGNO (operands[1]) != REGNO (operands[0])))” “str%?b\t%2, [%0, %1]!” )
(define_peephole [(set (mem:QI (plus:SI (match_operator:SI 4 “shift_operator” [(match_operand:SI 0 “s_register_operand” “r”) (match_operand:SI 1 “const_int_operand” “n”)]) (match_operand:SI 2 “s_register_operand” “+r”))) (match_operand:QI 3 “s_register_operand” “r”)) (set (match_dup 2) (plus:SI (match_op_dup 4 [(match_dup 0) (match_dup 1)]) (match_dup 2)))] “TARGET_ARM && (REGNO (operands[3]) != REGNO (operands[2])) && (REGNO (operands[0]) != REGNO (operands[2]))” “str%?b\t%3, [%2, %0%S4]!” )
; This pattern is never tried by combine, so do it as a peephole
(define_peephole2 [(set (match_operand:SI 0 “s_register_operand” "") (match_operand:SI 1 “s_register_operand” "")) (set (reg:CC CC_REGNUM) (compare:CC (match_dup 1) (const_int 0)))] "TARGET_ARM " [(parallel [(set (reg:CC CC_REGNUM) (compare:CC (match_dup 1) (const_int 0))) (set (match_dup 0) (match_dup 1))])] "" )
; Peepholes to spot possible load- and store-multiples, if the ordering is ; reversed, check that the memory references aren't volatile.
(define_peephole [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operand:SI 4 “memory_operand” “m”)) (set (match_operand:SI 1 “s_register_operand” “=r”) (match_operand:SI 5 “memory_operand” “m”)) (set (match_operand:SI 2 “s_register_operand” “=r”) (match_operand:SI 6 “memory_operand” “m”)) (set (match_operand:SI 3 “s_register_operand” “=r”) (match_operand:SI 7 “memory_operand” “m”))] “TARGET_ARM && load_multiple_sequence (operands, 4, NULL, NULL, NULL)” "* return emit_ldm_seq (operands, 4); " )
(define_peephole [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operand:SI 3 “memory_operand” “m”)) (set (match_operand:SI 1 “s_register_operand” “=r”) (match_operand:SI 4 “memory_operand” “m”)) (set (match_operand:SI 2 “s_register_operand” “=r”) (match_operand:SI 5 “memory_operand” “m”))] “TARGET_ARM && load_multiple_sequence (operands, 3, NULL, NULL, NULL)” "* return emit_ldm_seq (operands, 3); " )
(define_peephole [(set (match_operand:SI 0 “s_register_operand” “=r”) (match_operand:SI 2 “memory_operand” “m”)) (set (match_operand:SI 1 “s_register_operand” “=r”) (match_operand:SI 3 “memory_operand” “m”))] “TARGET_ARM && load_multiple_sequence (operands, 2, NULL, NULL, NULL)” "* return emit_ldm_seq (operands, 2); " )
(define_peephole [(set (match_operand:SI 4 “memory_operand” “=m”) (match_operand:SI 0 “s_register_operand” “r”)) (set (match_operand:SI 5 “memory_operand” “=m”) (match_operand:SI 1 “s_register_operand” “r”)) (set (match_operand:SI 6 “memory_operand” “=m”) (match_operand:SI 2 “s_register_operand” “r”)) (set (match_operand:SI 7 “memory_operand” “=m”) (match_operand:SI 3 “s_register_operand” “r”))] “TARGET_ARM && store_multiple_sequence (operands, 4, NULL, NULL, NULL)” "* return emit_stm_seq (operands, 4); " )
(define_peephole [(set (match_operand:SI 3 “memory_operand” “=m”) (match_operand:SI 0 “s_register_operand” “r”)) (set (match_operand:SI 4 “memory_operand” “=m”) (match_operand:SI 1 “s_register_operand” “r”)) (set (match_operand:SI 5 “memory_operand” “=m”) (match_operand:SI 2 “s_register_operand” “r”))] “TARGET_ARM && store_multiple_sequence (operands, 3, NULL, NULL, NULL)” "* return emit_stm_seq (operands, 3); " )
(define_peephole [(set (match_operand:SI 2 “memory_operand” “=m”) (match_operand:SI 0 “s_register_operand” “r”)) (set (match_operand:SI 3 “memory_operand” “=m”) (match_operand:SI 1 “s_register_operand” “r”))] “TARGET_ARM && store_multiple_sequence (operands, 2, NULL, NULL, NULL)” "* return emit_stm_seq (operands, 2); " )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (and:SI (ge:SI (match_operand:SI 1 “s_register_operand” "") (const_int 0)) (neg:SI (match_operator:SI 2 “arm_comparison_operator” [(match_operand:SI 3 “s_register_operand” "") (match_operand:SI 4 “arm_rhs_operand” "")])))) (clobber (match_operand:SI 5 “s_register_operand” ""))] “TARGET_ARM” [(set (match_dup 5) (not:SI (ashiftrt:SI (match_dup 1) (const_int 31)))) (set (match_dup 0) (and:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)]) (match_dup 5)))] "" )
;; This split can be used because CC_Z mode implies that the following ;; branch will be an equality, or an unsigned inequality, so the sign ;; extension is not needed.
(define_split [(set (reg:CC_Z CC_REGNUM) (compare:CC_Z (ashift:SI (subreg:SI (match_operand:QI 0 “memory_operand” "") 0) (const_int 24)) (match_operand 1 “const_int_operand” ""))) (clobber (match_scratch:SI 2 ""))] “TARGET_ARM && (((unsigned HOST_WIDE_INT) INTVAL (operands[1])) == (((unsigned HOST_WIDE_INT) INTVAL (operands[1])) >> 24) << 24)” [(set (match_dup 2) (zero_extend:SI (match_dup 0))) (set (reg:CC CC_REGNUM) (compare:CC (match_dup 2) (match_dup 1)))] " operands[1] = GEN_INT (((unsigned long) INTVAL (operands[1])) >> 24); " )
(define_expand “prologue” [(clobber (const_int 0))] “TARGET_EITHER” "if (TARGET_ARM) arm_expand_prologue (); else thumb_expand_prologue (); DONE; " )
(define_expand “epilogue” [(unspec_volatile [(return)] VUNSPEC_EPILOGUE)] “TARGET_EITHER” " if (TARGET_THUMB) thumb_expand_epilogue (); else if (USE_RETURN_INSN (FALSE)) { emit_jump_insn (gen_return ()); DONE; } emit_jump_insn (gen_rtx_UNSPEC_VOLATILE (VOIDmode, gen_rtvec (1, gen_rtx_RETURN (VOIDmode)), VUNSPEC_EPILOGUE)); DONE; " )
(define_insn “sibcall_epilogue” [(unspec_volatile [(const_int 0)] VUNSPEC_EPILOGUE)] “TARGET_ARM” "* output_asm_insn ("%@ Sibcall epilogue", operands); if (USE_RETURN_INSN (FALSE)) return output_return_instruction (NULL, FALSE, FALSE); return arm_output_epilogue (FALSE); " ;; Length is absolute worst case [(set_attr “length” “44”) (set_attr “type” “block”)] )
(define_insn “*epilogue_insns” [(unspec_volatile [(return)] VUNSPEC_EPILOGUE)] “TARGET_EITHER” "* if (TARGET_ARM) return arm_output_epilogue (TRUE); else /* TARGET_THUMB */ return thumb_unexpanded_epilogue (); " ; Length is absolute worst case [(set_attr “length” “44”) (set_attr “type” “block”)] )
(define_expand “eh_epilogue” [(use (match_operand:SI 0 “register_operand” “r”)) (use (match_operand:SI 1 “register_operand” “r”)) (use (match_operand:SI 2 “register_operand” “r”))] “TARGET_EITHER” " { cfun->machine->eh_epilogue_sp_ofs = operands[1]; if (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != 2) { rtx ra = gen_rtx_REG (Pmode, 2);
emit_move_insn (ra, operands[2]); operands[2] = ra; } /* This is a hack -- we may have crystalized the function type too early. */ cfun->machine->func_type = 0;
}" )
;; This split is only used during output to reduce the number of patterns ;; that need assembler instructions adding to them. We allowed the setting ;; of the conditions to be implicit during rtl generation so that ;; the conditional compare patterns would work. However this conflicts to ;; some extent with the conditional data operations, so we have to split them ;; up again here.
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (if_then_else:SI (match_operator 1 “arm_comparison_operator” [(match_operand 2 "" "") (match_operand 3 "" "")]) (match_dup 0) (match_operand 4 "" ""))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM && reload_completed” [(set (match_dup 5) (match_dup 6)) (cond_exec (match_dup 7) (set (match_dup 0) (match_dup 4)))] " { enum machine_mode mode = SELECT_CC_MODE (GET_CODE (operands[1]), operands[2], operands[3]); enum rtx_code rc = GET_CODE (operands[1]);
operands[5] = gen_rtx_REG (mode, CC_REGNUM); operands[6] = gen_rtx_COMPARE (mode, operands[2], operands[3]); if (mode == CCFPmode || mode == CCFPEmode) rc = reverse_condition_maybe_unordered (rc); else rc = reverse_condition (rc); operands[7] = gen_rtx_fmt_ee (rc, VOIDmode, operands[5], const0_rtx);
}" )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (if_then_else:SI (match_operator 1 “arm_comparison_operator” [(match_operand 2 "" "") (match_operand 3 "" "")]) (match_operand 4 "" "") (match_dup 0))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM && reload_completed” [(set (match_dup 5) (match_dup 6)) (cond_exec (match_op_dup 1 [(match_dup 5) (const_int 0)]) (set (match_dup 0) (match_dup 4)))] " { enum machine_mode mode = SELECT_CC_MODE (GET_CODE (operands[1]), operands[2], operands[3]);
operands[5] = gen_rtx_REG (mode, CC_REGNUM); operands[6] = gen_rtx_COMPARE (mode, operands[2], operands[3]);
}" )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (if_then_else:SI (match_operator 1 “arm_comparison_operator” [(match_operand 2 "" "") (match_operand 3 "" "")]) (match_operand 4 "" "") (match_operand 5 "" ""))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM && reload_completed” [(set (match_dup 6) (match_dup 7)) (cond_exec (match_op_dup 1 [(match_dup 6) (const_int 0)]) (set (match_dup 0) (match_dup 4))) (cond_exec (match_dup 8) (set (match_dup 0) (match_dup 5)))] " { enum machine_mode mode = SELECT_CC_MODE (GET_CODE (operands[1]), operands[2], operands[3]); enum rtx_code rc = GET_CODE (operands[1]);
operands[6] = gen_rtx_REG (mode, CC_REGNUM); operands[7] = gen_rtx_COMPARE (mode, operands[2], operands[3]); if (mode == CCFPmode || mode == CCFPEmode) rc = reverse_condition_maybe_unordered (rc); else rc = reverse_condition (rc); operands[8] = gen_rtx_fmt_ee (rc, VOIDmode, operands[6], const0_rtx);
}" )
(define_split [(set (match_operand:SI 0 “s_register_operand” "") (if_then_else:SI (match_operator 1 “arm_comparison_operator” [(match_operand:SI 2 “s_register_operand” "") (match_operand:SI 3 “arm_add_operand” "")]) (match_operand:SI 4 “arm_rhs_operand” "") (not:SI (match_operand:SI 5 “s_register_operand” "")))) (clobber (reg:CC CC_REGNUM))] “TARGET_ARM && reload_completed” [(set (match_dup 6) (match_dup 7)) (cond_exec (match_op_dup 1 [(match_dup 6) (const_int 0)]) (set (match_dup 0) (match_dup 4))) (cond_exec (match_dup 8) (set (match_dup 0) (not:SI (match_dup 5))))] " { enum machine_mode mode = SELECT_CC_MODE (GET_CODE (operands[1]), operands[2], operands[3]); enum rtx_code rc = GET_CODE (operands[1]);
operands[6] = gen_rtx_REG (mode, CC_REGNUM); operands[7] = gen_rtx (COMPARE, mode, operands[2], operands[3]); if (mode == CCFPmode || mode == CCFPEmode) rc = reverse_condition_maybe_unordered (rc); else rc = reverse_condition (rc); operands[8] = gen_rtx_fmt_ee (rc, VOIDmode, operands[6], const0_rtx);
}" )
(define_insn “*cond_move_not” [(set (match_operand:SI 0 “s_register_operand” “=r,r”) (if_then_else:SI (match_operator 4 “arm_comparison_operator” [(match_operand 3 “cc_register” "") (const_int 0)]) (match_operand:SI 1 “arm_rhs_operand” “0,?rI”) (not:SI (match_operand:SI 2 “s_register_operand” “r,r”))))] “TARGET_ARM” “@ mvn%D4\t%0, %2 mov%d4\t%0, %1;mvn%D4\t%0, %2” [(set_attr “conds” “use”) (set_attr “length” “4,8”)] )
;; The next two patterns occur when an AND operation is followed by a ;; scc insn sequence
(define_insn “*sign_extract_onebit” [(set (match_operand:SI 0 “s_register_operand” “=r”) (sign_extract:SI (match_operand:SI 1 “s_register_operand” “r”) (const_int 1) (match_operand:SI 2 “const_int_operand” “n”)))] “TARGET_ARM” "* operands[2] = GEN_INT (1 << INTVAL (operands[2])); output_asm_insn ("ands\t%0, %1, %2", operands); return "mvnne\t%0, #0"; " [(set_attr “conds” “clob”) (set_attr “length” “8”)] )
(define_insn “*not_signextract_onebit” [(set (match_operand:SI 0 “s_register_operand” “=r”) (not:SI (sign_extract:SI (match_operand:SI 1 “s_register_operand” “r”) (const_int 1) (match_operand:SI 2 “const_int_operand” “n”))))] “TARGET_ARM” "* operands[2] = GEN_INT (1 << INTVAL (operands[2])); output_asm_insn ("tst\t%1, %2", operands); output_asm_insn ("mvneq\t%0, #0", operands); return "movne\t%0, #0"; " [(set_attr “conds” “clob”) (set_attr “length” “12”)] )
;; Push multiple registers to the stack. Registers are in parallel (use ...) ;; expressions. For simplicity, the first register is also in the unspec ;; part. (define_insn “*push_multi” [(match_parallel 2 “multi_register_push” [(set (match_operand:BLK 0 “memory_operand” “=m”) (unspec:BLK [(match_operand:SI 1 “s_register_operand” “r”)] UNSPEC_PUSH_MULT))])] “TARGET_ARM” "* { int num_saves = XVECLEN (operands[2], 0);
/* For the StrongARM at least it is faster to
use STR to store only a single register. */
if (num_saves == 1)
output_asm_insn (\"str\\t%1, [%m0, #-4]!\", operands);
else
{
int i;
char pattern[100];
strcpy (pattern, \"stmfd\\t%m0!, {%1\");
for (i = 1; i < num_saves; i++)
{
strcat (pattern, \", %|\");
strcat (pattern,
reg_names[REGNO (XEXP (XVECEXP (operands[2], 0, i), 0))]);
}
strcat (pattern, \"}\");
output_asm_insn (pattern, operands);
}
return \"\";
}" [(set_attr “type” “store4”)] )
;; Similarly for the floating point registers (define_insn “*push_fp_multi” [(match_parallel 2 “multi_register_push” [(set (match_operand:BLK 0 “memory_operand” “=m”) (unspec:BLK [(match_operand:XF 1 “f_register_operand” “f”)] UNSPEC_PUSH_MULT))])] “TARGET_ARM” "* { char pattern[100];
sprintf (pattern, \"sfmfd\\t%%1, %d, [%%m0]!\", XVECLEN (operands[2], 0)); output_asm_insn (pattern, operands); return \"\";
}" [(set_attr “type” “f_store”)] )
;; Special patterns for dealing with the constant pool
(define_insn “align_4” [(unspec_volatile [(const_int 0)] VUNSPEC_ALIGN)] “TARGET_EITHER” "* assemble_align (32); return ""; " )
(define_insn “consttable_end” [(unspec_volatile [(const_int 0)] VUNSPEC_POOL_END)] “TARGET_EITHER” "* making_const_table = FALSE; return ""; " )
(define_insn “consttable_1” [(unspec_volatile [(match_operand 0 "" "")] VUNSPEC_POOL_1)] “TARGET_THUMB” "* making_const_table = TRUE; assemble_integer (operands[0], 1, BITS_PER_WORD, 1); assemble_zeros (3); return ""; " [(set_attr “length” “4”)] )
(define_insn “consttable_2” [(unspec_volatile [(match_operand 0 "" "")] VUNSPEC_POOL_2)] “TARGET_THUMB” "* making_const_table = TRUE; assemble_integer (operands[0], 2, BITS_PER_WORD, 1); assemble_zeros (2); return ""; " [(set_attr “length” “4”)] )
(define_insn “consttable_4” [(unspec_volatile [(match_operand 0 "" "")] VUNSPEC_POOL_4)] “TARGET_EITHER” “* { making_const_table = TRUE; switch (GET_MODE_CLASS (GET_MODE (operands[0]))) { case MODE_FLOAT: { union real_extract u; memcpy (&u, &CONST_DOUBLE_LOW (operands[0]), sizeof u); assemble_real (u.d, GET_MODE (operands[0]), BITS_PER_WORD); break; } default: assemble_integer (operands[0], 4, BITS_PER_WORD, 1); break; } return ""; }” [(set_attr “length” “4”)] )
(define_insn “consttable_8” [(unspec_volatile [(match_operand 0 "" "")] VUNSPEC_POOL_8)] “TARGET_EITHER” “* { making_const_table = TRUE; switch (GET_MODE_CLASS (GET_MODE (operands[0]))) { case MODE_FLOAT: { union real_extract u; memcpy (&u, &CONST_DOUBLE_LOW (operands[0]), sizeof u); assemble_real (u.d, GET_MODE (operands[0]), BITS_PER_WORD); break; } default: assemble_integer (operands[0], 8, BITS_PER_WORD, 1); break; } return ""; }” [(set_attr “length” “8”)] )
;; Miscellaneous Thumb patterns
(define_insn “tablejump” [(set (pc) (match_operand:SI 0 “register_operand” “l*r”)) (use (label_ref (match_operand 1 "" "")))] “TARGET_THUMB” “mov pc, %0” [(set_attr “length” “2”)] )
;; V5 Instructions,
(define_insn “clz” [(set (match_operand:SI 0 “s_register_operand” “=r”) (unspec:SI [(match_operand:SI 1 “s_register_operand” “r”)] UNSPEC_CLZ))] “TARGET_ARM && arm_arch5” “clz\t%0, %1”)
(define_expand “ffssi2” [(set (match_operand:SI 0 “s_register_operand” "") (ffs:SI (match_operand:SI 1 “s_register_operand” "")))] “TARGET_ARM && arm_arch5” " { rtx t1, t2, t3;
t1 = gen_reg_rtx (SImode); t2 = gen_reg_rtx (SImode); t3 = gen_reg_rtx (SImode); emit_insn (gen_negsi2 (t1, operands[1])); emit_insn (gen_andsi3 (t2, operands[1], t1)); emit_insn (gen_clz (t3, t2)); emit_insn (gen_subsi3 (operands[0], GEN_INT (32), t3)); DONE;
}" )
;; V5E instructions.
(define_insn “prefetch” [(prefetch (match_operand:SI 0 “address_operand” “p”) (match_operand:SI 1 "" "") (match_operand:SI 2 "" ""))] “TARGET_ARM && arm_arch5e” “pld\t[%0]”)
;; General predication pattern
(define_cond_exec [(match_operator 0 “arm_comparison_operator” [(match_operand 1 “cc_register” "") (const_int 0)])] “TARGET_ARM” "" )