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;; Constraint definitions for V850.
;; Copyright (C) 2011-2020 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)"))
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