;; Constraint definitions for V850. ;; Copyright (C) 2011-2021 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/.

(define_register_constraint “e” “EVEN_REGS” “@internal”)

;; Integer constraints. (define_constraint “I” “Integer constant 0.” (and (match_code “const_int”) (match_test “ival == 0”)))

(define_constraint “J” “A signed 5-bit immediate.” (and (match_code “const_int”) (match_test “ival >= -16 && ival <= 15”)))

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

(define_constraint “L” “A valid constant for a movhi instruction.” (and (match_code “const_int”) (ior (match_test “(ival | 0x7fff0000) == 0x7fff0000”) (match_test “(ival | 0x7fff0000) + 0x10000 == 0”))))

(define_constraint “M” “An unsigned 16-bit immediate.” (and (match_code “const_int”) (match_test “ival >= 0 && ival <= 65535”)))

(define_constraint “N” “An unsigned 5-bit immediate in shift instructions.” (and (match_code “const_int”) (match_test “ival >= 0 && ival <= 31”)))

(define_constraint “O” “A signed 9-bit immediate for word multiply instructions.” (and (match_code “const_int”) (match_test “ival >= -255 && ival <= 255”)))

(define_constraint “P” “@internal” (and (match_code “const_int”) (match_test “0”)))

;; Floating-point constraints. (define_constraint “G” “A zero of some form.” (and (match_code “const_double”) (ior (match_test “GET_MODE_CLASS (mode) == MODE_FLOAT”) (match_test “GET_MODE_CLASS (mode) == MODE_INT”)) (match_test “op == CONST0_RTX (mode)”)))

(define_constraint “H” “@internal” (and (match_code “const_double”) (match_test “0”)))

;;; Extra constraints. (define_memory_constraint “Q” “A memory address that does not contain a symbol address.” (and (match_code “mem”) (match_test “ep_memory_operand (op, mode, FALSE)”)))

(define_constraint “R” “@internal” (match_test “special_symbolref_operand (op, VOIDmode)”))

(define_constraint “S” “@internal” (and (match_code “symbol_ref”) (match_test “!SYMBOL_REF_ZDA_P (op)”)))

(define_constraint “T” “@internal” (match_test “ep_memory_operand (op, mode, TRUE)”))

(define_constraint “U” “@internal” (ior (and (match_code “symbol_ref”) (match_test “SYMBOL_REF_ZDA_P (op)”)) (and (match_code “const”) (match_test “GET_CODE (XEXP (op, 0)) == PLUS”) (match_test “GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF”) (match_test “SYMBOL_REF_ZDA_P (XEXP (XEXP (op, 0), 0))”))))

(define_constraint “W” “@internal” (match_test “disp23_operand (op, VOIDmode)”))