;; Constraint definitions for FRV. ;; Copyright (C) 2001-2021 Free Software Foundation, Inc. ;; ;; 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/.
;; Register constraints. (define_register_constraint “a” “ACC_REGS” “@internal”)
(define_register_constraint “b” “EVEN_ACC_REGS” “@internal”)
(define_register_constraint “c” “CC_REGS” “@internal”)
(define_register_constraint “d” “GPR_REGS” “@internal”)
(define_register_constraint “e” “EVEN_REGS” “@internal”)
(define_register_constraint “f” “FPR_REGS” “@internal”)
(define_register_constraint “h” “FEVEN_REGS” “@internal”)
(define_register_constraint “l” “LR_REG” “@internal”)
(define_register_constraint “q” “QUAD_REGS” “@internal”)
(define_register_constraint “t” “ICC_REGS” “@internal”)
(define_register_constraint “u” “FCC_REGS” “@internal”)
(define_register_constraint “v” “ICR_REGS” “@internal”)
(define_register_constraint “w” “FCR_REGS” “@internal”)
(define_register_constraint “x” “QUAD_FPR_REGS” “@internal”)
(define_register_constraint “y” “LCR_REG” “@internal”)
(define_register_constraint “z” “SPR_REGS” “@internal”)
(define_register_constraint “A” “QUAD_ACC_REGS” “@internal”)
(define_register_constraint “B” “ACCG_REGS” “@internal”)
(define_register_constraint “C” “CR_REGS” “@internal”)
(define_register_constraint “D89” “GR89_REGS” “@internal”)
(define_register_constraint “D09” “GR9_REGS” “@internal”)
(define_register_constraint “D08” “GR8_REGS” “@internal”)
(define_register_constraint “D14” “FDPIC_FPTR_REGS” “@internal”)
(define_register_constraint “D15” “FDPIC_REGS” “@internal”)
(define_register_constraint “W” “FDPIC_CALL_REGS” “@internal”)
(define_register_constraint “Z” “FDPIC_REGS” “@internal”)
;; Integer constraints. (define_constraint “I” “A signed 6-bit immediate.” (and (match_code “const_int”) (match_test “IN_RANGE (ival, -32, 31)”)))
(define_constraint “J” “A signed 10-bit immediate.” (and (match_code “const_int”) (match_test “IN_RANGE (ival, -512, 511)”)))
(define_constraint “K” “@internal” ;; Unused. (and (match_code “const_int”) (match_test “0”)))
(define_constraint “L” “A signed 16-bit immediate.” (and (match_code “const_int”) (match_test “IN_RANGE (ival, -32768, 32767)”)))
(define_constraint “M” “An unsigned 16-bit immediate.” (and (match_code “const_int”) (match_test “IN_RANGE (ival, 0, 65535)”)))
(define_constraint “N” “A signed 12-bit immediate that is negative.” (and (match_code “const_int”) (match_test “IN_RANGE (ival, -2048, -1)”)))
(define_constraint “O” “Zero.” (and (match_code “const_int”) (match_test “ival == 0”)))
(define_constraint “P” “A signed 12-bit immediate that is positive.” (and (match_code “const_int”) (match_test “IN_RANGE (ival, 1, 2047)”)))
;; Floating-point constraints. (define_constraint “G” “Floating-point zero.” (and (match_code “const_double”) (ior (and (match_test “mode == VOIDmode”) (match_test “hval == 0 && lval == 0”)) (and (match_test “mode == SFmode || mode == DFmode”) (match_test “op == CONST0_RTX (mode)”)))))
(define_constraint “H” “@internal” ;; Unused. (and (match_code “const_double”) (match_test “0”)))
(define_constraint “Q” “12-bit relocations.” (match_test “got12_operand (op, mode)”))
(define_memory_constraint “R” “Double word memory ops that take one instruction.” (match_test “dbl_memory_one_insn_operand (op, mode)”))
(define_constraint “S” “SYMBOL_REF.” (match_test “CONSTANT_P (op) && call_operand (op, VOIDmode)”))
(define_memory_constraint “T” “Double word memory ops that take two instructions.” (match_test “dbl_memory_two_insn_operand (op, mode)”))
(define_memory_constraint “U” “Memory operand for conditional execution.” (match_test “condexec_memory_operand (op, mode)”))