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;; Constraint definitions for Visium.
;; Copyright (C) 2006-2017 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 "b" "MDB"
"EAM register mdb")
(define_register_constraint "c" "MDC"
"EAM register mdc")
(define_register_constraint "f" "TARGET_FPU ? FP_REGS : NO_REGS"
"Floating point register")
(define_register_constraint "k" "SIBCALL_REGS"
"Register for sibcall optimization")
(define_register_constraint "l" "LOW_REGS"
"General register, but not r29, r30 and r31")
(define_register_constraint "t" "R1"
"Register r1")
(define_register_constraint "u" "R2"
"Register r2")
(define_register_constraint "v" "R3"
"Register r3")
;; Immediate integer operand constraints
(define_constraint "J"
"Integer constant in the range 0 .. 65535 (16-bit immediate)"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, 0, 65535)")))
(define_constraint "K"
"Integer constant in the range 1 .. 31 (5-bit immediate)"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, 1, 31)")))
(define_constraint "L"
"Integer constant in the range -65535 .. -1 (16-bit negative immediate)"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, -65535, -1)")))
(define_constraint "M"
"Integer constant -1"
(and (match_code "const_int")
(match_test "ival == -1")))
(define_constraint "O"
"Integer constant 0"
(and (match_code "const_int")
(match_test "ival == 0")))
(define_constraint "P"
"Integer constant 32"
(and (match_code "const_int")
(match_test "ival == 32")))
;; Immediate FP operand constraints
(define_constraint "G"
"Floating-point constant 0.0"
(and (match_code "const_double")
(match_test "op == CONST0_RTX (mode)")))
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