124 lines
2.9 KiB
Markdown
124 lines
2.9 KiB
Markdown
;; Predicate definitions for FR30.
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;; Copyright (C) 2005, 2007 Free Software Foundation, Inc.
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;;
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; GCC is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; <http://www.gnu.org/licenses/>.
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;; Returns true if OP is an integer value suitable for use in an
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;; ADDSP instruction.
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(define_predicate "stack_add_operand"
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(match_code "const_int")
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{
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return
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(GET_CODE (op) == CONST_INT
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&& INTVAL (op) >= -512
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&& INTVAL (op) <= 508
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&& ((INTVAL (op) & 3) == 0));
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})
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;; Returns true if OP is hard register in the range 8 - 15.
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(define_predicate "high_register_operand"
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(match_code "reg")
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{
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return
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(GET_CODE (op) == REG
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&& REGNO (op) <= 15
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&& REGNO (op) >= 8);
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})
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;; Returns true if OP is hard register in the range 0 - 7.
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(define_predicate "low_register_operand"
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(match_code "reg")
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{
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return
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(GET_CODE (op) == REG
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&& REGNO (op) <= 7);
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})
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;; Returns true if OP is suitable for use in a CALL insn.
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(define_predicate "call_operand"
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(match_code "mem")
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{
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return (GET_CODE (op) == MEM
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&& (GET_CODE (XEXP (op, 0)) == SYMBOL_REF
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|| GET_CODE (XEXP (op, 0)) == REG));
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})
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;; Returns TRUE if OP is a valid operand of a DImode operation.
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(define_predicate "di_operand"
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(match_code "const_int,const_double,reg,mem")
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{
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if (register_operand (op, mode))
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return TRUE;
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if (mode != VOIDmode && GET_MODE (op) != VOIDmode && GET_MODE (op) != DImode)
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return FALSE;
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if (GET_CODE (op) == SUBREG)
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op = SUBREG_REG (op);
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switch (GET_CODE (op))
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{
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case CONST_DOUBLE:
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case CONST_INT:
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return TRUE;
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case MEM:
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return memory_address_p (DImode, XEXP (op, 0));
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default:
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return FALSE;
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}
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})
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;; Returns TRUE if OP is a DImode register or MEM.
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(define_predicate "nonimmediate_di_operand"
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(match_code "reg,mem")
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{
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if (register_operand (op, mode))
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return TRUE;
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if (mode != VOIDmode && GET_MODE (op) != VOIDmode && GET_MODE (op) != DImode)
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return FALSE;
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if (GET_CODE (op) == SUBREG)
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op = SUBREG_REG (op);
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if (GET_CODE (op) == MEM)
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return memory_address_p (DImode, XEXP (op, 0));
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return FALSE;
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})
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;; Returns true if OP is an integer value suitable for use in an ADD
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;; or ADD2 instruction, or if it is a register.
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(define_predicate "add_immediate_operand"
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(match_code "reg,const_int")
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{
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return
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(GET_CODE (op) == REG
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|| (GET_CODE (op) == CONST_INT
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&& INTVAL (op) >= -16
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&& INTVAL (op) <= 15));
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})
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