;; Predicate definitions for Tilera TILE-Gx. ;; Copyright (C) 2011-2020 Free Software Foundation, Inc. ;; Contributed by Walter Lee (walt@tilera.com) ;; ;; This file is part of GCC. ;; ;; GCC 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 3, or (at your ;; option) any later version. ;; ;; GCC 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 GCC; see the file COPYING3. If not see ;; http://www.gnu.org/licenses/.
;; Return true if OP is the zero constant for MODE. (define_predicate “const_zero_operand” (and (match_code “const_int,const_double,const_vector”) (match_test “op == CONST0_RTX (mode)”)))
;; Returns true if OP is either the constant zero or a register. (define_predicate “reg_or_0_operand” (and (ior (match_operand 0 “register_operand”) (match_operand 0 “const_zero_operand”)) (match_test “GET_MODE_SIZE (mode) <= UNITS_PER_WORD”)))
; Return 1 if OP is a valid Pmode pointer. (define_predicate “pointer_operand” (and (match_operand 0 “address_operand”) (ior (match_operand 0 “pmode_register_operand”) (match_operand 0 “const_zero_operand”))))
; Return 1 if OP is a network register identifier. (define_predicate “netreg_operand” (and (match_code “const_int”) (match_test “IN_RANGE (INTVAL (op), 0, 5)”)))
; Return 1 if OP is an unsigned 6-bit constant. (define_predicate “u6bit_cint_operand” (and (match_code “const_int”) (match_test “INTVAL (op) == (INTVAL (op) & 0x3F)”)))
;; Return 1 if OP is an unsigned 16-bit constant. (define_predicate “u16bit_cint_operand” (and (match_code “const_int”) (match_test “(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 16)”)))
;; Return 1 if OP is a signed 8-bit constant. (define_predicate “s8bit_cint_operand” (and (match_code “const_int”) (match_test “satisfies_constraint_I (op)”)))
;; Return 1 if OP is a signed 16-bit constant. (define_predicate “s16bit_cint_operand” (and (match_code “const_int”) (match_test “satisfies_constraint_J (op)”)))
;; Return 1 if OP is an unsigned 14-bit constant. (define_predicate “u14bit_cint_operand” (and (match_code “const_int”) (match_test “(unsigned HOST_WIDE_INT)INTVAL (op) < (1U << 14)”)))
;; Return 1 if OP is a constant or any register. (define_predicate “reg_or_cint_operand” (ior (match_operand 0 “register_operand”) (match_operand 0 “const_int_operand”)))
;; Returns 1 if OP is a “last” unspec wrapper for a symbol, got, or ;; tls reference. (define_predicate “const_last_symbolic_operand” (and (match_code “const”) (match_test “GET_CODE (XEXP (op,0)) == UNSPEC”) (ior (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_LAST”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_PCREL”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST_PCREL”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_LAST_GOT”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_GOT”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_GD”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_IE”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_TLS_LE”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_LAST_PLT_PCREL”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW2_LAST_PLT_PCREL”))))
;; Returns 1 if OP is an unspec wrapper for a symbol, got, or tls ;; reference. (define_predicate “const_symbolic_operand” (and (match_code “const”) (match_test “GET_CODE (XEXP (op,0)) == UNSPEC”) (ior (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW2”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW3”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_PCREL”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_PCREL”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_GOT”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_GD”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_IE”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_TLS_LE”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW0_PLT_PCREL”) (match_test “XINT (XEXP (op,0), 1) == UNSPEC_HW1_PLT_PCREL”))))
;; Return 1 if OP is a 8-element vector constant with identical signed ;; 8-bit elements or any register. (define_predicate “reg_or_v8s8bit_operand” (ior (match_operand 0 “register_operand”) (and (match_code “const_vector”) (match_test “CONST_VECTOR_NUNITS (op) == 8 && (satisfies_constraint_I (unwrap_const_vec_duplicate (op)))”))))
;; Return 1 if OP is a 4-element vector constant with identical signed ;; 8-bit elements or any register. (define_predicate “reg_or_v4s8bit_operand” (ior (match_operand 0 “register_operand”) (and (match_code “const_vector”) (match_test “CONST_VECTOR_NUNITS (op) == 4 && (satisfies_constraint_I (unwrap_const_vec_duplicate (op)))”))))
;; Return 1 if the operand is a valid second operand to an add insn. (define_predicate “add_operand” (if_then_else (match_code “const_int”) (match_test “satisfies_constraint_J (op)”) (ior (match_operand 0 “register_operand”) (match_operand 0 “const_last_symbolic_operand”))))
;; Return 1 if the operand is a register or signed 8-bit immediate operand. (define_predicate “reg_or_s8bit_operand” (if_then_else (match_code “const_int”) (match_test “satisfies_constraint_I (op)”) (match_operand 0 “register_operand”)))
;; Return 1 if the operand is a register or unsigned 5-bit immediate operand. (define_predicate “reg_or_u5bit_operand” (if_then_else (match_code “const_int”) (match_test “INTVAL (op) == (INTVAL (op) & 0x1F)”) (match_operand 0 “register_operand”)))
;; Return 1 if the operand is a register or unsigned 6-bit immediate operand. (define_predicate “reg_or_u6bit_operand” (if_then_else (match_code “const_int”) (match_test “INTVAL (op) == (INTVAL (op) & 0x3F)”) (match_operand 0 “register_operand”)))
;; Return 1 for an operand suitable for ANDing with a register. (define_predicate “and_operand” (if_then_else (match_code “const_int”) (match_test “satisfies_constraint_I (op) || satisfies_constraint_M (op)”) (match_operand 0 “register_operand”)))
; Return 1 if the operand is 2, 4 or 8. (define_predicate “cint_248_operand” (and (match_code “const_int”) (match_test “INTVAL (op) == 2 || INTVAL (op) == 4 || INTVAL (op) == 8”)))
;; Return true if OP is a TLS symbolic operand. (define_predicate “tls_symbolic_operand” (and (match_code “symbol_ref”) (match_test “SYMBOL_REF_TLS_MODEL (op) != TLS_MODEL_NONE”)))
;; Return true if OP is a symbolic operand for the TLS Global Dynamic model. (define_predicate “tls_gd_symbolic_operand” (and (match_code “symbol_ref”) (match_test “SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC”)))
;; Return true if OP is a symbolic operand for the TLS Local Dynamic model. (define_predicate “tls_ld_symbolic_operand” (and (match_code “symbol_ref”) (match_test “SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC”)))
;; Return true if OP is a symbolic operand that can be used for the ;; TLS Initial Exec model. (define_predicate “tls_ie_symbolic_operand” (and (match_code “symbol_ref”) (ior (match_test “SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC”) (match_test “SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC”))))
;; Return true if OP is a symbolic operand for the TLS Local Exec model. (define_predicate “tls_le_symbolic_operand” (and (match_code “symbol_ref”) (match_test “SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC”)))
;; Returns true if OP is any general operand except for an ;; auto-incrementing address operand. (define_predicate “nonautoinc_operand” (and (match_operand 0 “general_operand”) (not (ior (match_code “pre_dec”) (match_code “pre_inc”) (match_code “post_dec”) (match_code “post_inc”) (match_code “post_modify”) (match_code “pre_modify”)))))
;; Returns true if OP is a non-auto-incrementing memory operand. (define_predicate “nonautoincmem_operand” (match_operand 0 “memory_operand”) { return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); })
;; Returns true if OP is a non-auto-incrementing memory, general ;; operand. (define_predicate “nonautoincmem_general_operand” (match_operand 0 “general_operand”) { if (memory_operand (op, mode)) return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); else return true; })
;; Returns true if OP is a non-auto-incrementing memory, non-immediate ;; operand. (define_predicate “nonautoincmem_nonimmediate_operand” (match_operand 0 “nonimmediate_operand”) { if (memory_operand (op, mode)) return nonautoinc_operand (XEXP (op, 0), GET_MODE (XEXP (op, 0))); else return true; })
;; Return true if OP is a valid operand for the source of a move insn. (define_predicate “move_operand” (match_operand 0 “general_operand”) { /* If both modes are non-void they must be the same. */ if (mode != VOIDmode && GET_MODE (op) != VOIDmode && mode != GET_MODE (op)) return false;
switch (GET_CODE (op)) { case CONST_INT: return (satisfies_constraint_J (op) || satisfies_constraint_K (op) || (mode == DImode && (satisfies_constraint_N (op) || satisfies_constraint_P (op))));
case MEM: return memory_address_p (mode, XEXP (op, 0)); case CONST: return const_last_symbolic_operand (op, mode); default: return register_operand (op, mode); }
})
;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref, ;; possibly with an offset. (define_predicate “symbolic_operand” (ior (match_code “symbol_ref,label_ref”) (and (match_code “const”) (match_test “GET_CODE (XEXP (op,0)) == PLUS && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF) && CONST_INT_P (XEXP (XEXP (op,0), 1))”))))
;; Return 1 for an unsigned 16 bit or a const symbolc operand. (define_predicate “u16bit_or_const_symbolic_operand” (ior (match_operand 0 “u16bit_cint_operand”) (match_operand 0 “const_symbolic_operand”)))
;; Return true if OP is an address suitable for a call insn. ;; Call insn on TILE can take a PC-relative constant address ;; or any regular memory address. (define_predicate “call_address_operand” (ior (match_operand 0 “symbolic_operand”) (match_test “memory_address_p (Pmode, op)”)))
;; Return true if OP is an operand suitable for a call insn. (define_predicate “call_operand” (and (match_code “mem”) (match_test “call_address_operand (XEXP (op, 0), mode)”)))
;; Return 1 if OP is a signed comparison operation. ;; We can use these directly in compares against zero. (define_predicate “signed_comparison_operator” (match_code “eq,ne,le,lt,ge,gt”))
;; Return 1 if OP is a equal or not-equal operation. (define_predicate “eqne_operator” (match_code “eq,ne”))