gcc/config/ft32/constraints.md

;; 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/.

;; ------------------------------------------------------------------------- ;; Constraints ;; -------------------------------------------------------------------------

(define_memory_constraint “A” “An absolute address.” (and (match_code “mem”) (match_test “(!ft32_is_mem_pm(op))”) (ior (match_test “GET_CODE (XEXP (op, 0)) == SYMBOL_REF”) (match_test “GET_CODE (XEXP (op, 0)) == LABEL_REF”) (match_test “GET_CODE (XEXP (op, 0)) == CONST_INT”) (and (match_test “(GET_CODE (XEXP (op, 0)) == PLUS)”) (ior (match_test “GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF”) (match_test “GET_CODE (XEXP (XEXP (op, 0), 0)) == LABEL_REF”) (match_test “GET_CODE (XEXP (XEXP (op, 0), 0)) == CONST_INT”)) (ior (match_test “GET_CODE (XEXP (XEXP (op, 0), 1)) == SYMBOL_REF”) (match_test “GET_CODE (XEXP (XEXP (op, 0), 1)) == LABEL_REF”) (match_test “GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT”))))))

(define_memory_constraint “B” “An offset address.” (and (match_code “mem”) (match_test “(!ft32_is_mem_pm(op))”) (match_test “(GET_CODE (XEXP (op, 0)) == PLUS)”)))

(define_memory_constraint “W” “A register indirect memory operand.” (and (match_code “mem”) (match_test “!ft32_is_mem_pm(op) && REG_P (XEXP (op, 0)) && REGNO_OK_FOR_BASE_P (REGNO (XEXP (op, 0)))”)))

(define_memory_constraint “e” “An offset address.” (and (match_code “mem”) (match_test “ft32_is_mem_pm(op) && ( (GET_CODE (XEXP (op, 0)) == SYMBOL_REF) || (GET_CODE (XEXP (op, 0)) == LABEL_REF) || (GET_CODE (XEXP (op, 0)) == CONST_INT) || (GET_CODE (XEXP (op, 0)) == CONST))” )))

(define_memory_constraint “f” “An offset address.” (and (match_code “mem”) (match_test “ft32_is_mem_pm(op) && ( ((GET_CODE (XEXP (op, 0)) == PLUS)) || (GET_CODE (XEXP (op, 0)) == REG))” )))

(define_constraint “O” “The constant zero or one” (and (match_code “const_int”) (match_test “((ival == 0) || (ival == 1))”)))

(define_constraint “I” “A 16-bit signed constant (-32768..32767)” (and (match_code “const_int”) (match_test “ival >= -32768 && ival <= 32767”)))

(define_constraint “w” “A bitfield mask suitable for bext or bins” (and (match_code “const_int”) (match_test “ft32_as_bitfield(ival) != -1”)))

(define_constraint “x” “An inverted bitfield mask suitable for bext or bins” (and (match_code “const_int”) (match_test “ft32_as_bitfield(0xffffffff ^ ival) != -1”)))

(define_constraint “L” “A 16-bit unsigned constant, multiple of 4 (-65532..0)” (and (match_code “const_int”) (match_test “ival >= -65532 && ival <= 0 && (ival & 3) == 0”)))

(define_constraint “S” “A 20-bit signed constant (-524288..524287)” (ior (and (match_code “const_int”) (match_test “ival >= -524288 && ival <= 524287”)) (match_test “GET_CODE (op) == LABEL_REF”) (match_test “GET_CODE (op) == SYMBOL_REF”) (match_test “GET_CODE (op) == CONST”)))

(define_constraint “b” “A constant for a bitfield width (1..16)” (and (match_code “const_int”) (match_test “ival >= 1 && ival <= 16”)))

(define_constraint “KA” “A 10-bit signed constant (-512..511)” (and (match_code “const_int”) (match_test “ival >= -512 && ival <= 511”)))