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riscv-gcc-1
Commit 63b6b845 by Richard Kenner
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(constrain_operands): Correctly ignore MATCH_OPERATOR operands. 

From-SVN: r4664
parent 922d9d40
Showing with 3 additions and 2 deletions
gcc/recog.c
/* Subroutines used by or related to instruction recognition. /* Subroutines used by or related to instruction recognition.
Copyright (C) 1987, 1988, 1991, 1992 Free Software Foundation, Inc. Copyright (C) 1987, 1988, 1991, 1992, 1993 Free Software Foundation, Inc.
This file is part of GNU CC. This file is part of GNU CC.
...@@ -1896,7 +1896,8 @@ constrain_operands (insn_code_num, strict) ...@@ -1896,7 +1896,8 @@ constrain_operands (insn_code_num, strict)
if ((GET_CODE (recog_operand[opno]) == MEM if ((GET_CODE (recog_operand[opno]) == MEM
|| op_types[opno] != OP_OUT) || op_types[opno] != OP_OUT)
&& opno != eopno && opno != eopno
&& constraints[opno] != 0 /* Ignore things like match_operator operands. */
&& *constraints[opno] != 0
&& ! (matching_operands[opno] == eopno && ! (matching_operands[opno] == eopno
&& rtx_equal_p (recog_operand[opno], && rtx_equal_p (recog_operand[opno],
recog_operand[eopno])) recog_operand[eopno]))
......
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