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combine.c (combine_simplify_rtx): If the modes are all VOIDmode, check the original operand's mode also. 

* combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
check the original operand's mode also.
* simplify-rtx.c (simplify_ternary_operation): Ditto.

From-SVN: r39247
This commit is contained in:
DJ Delorie 2001-01-24 16:10:06 -05:00 committed by DJ Delorie
parent cedd825f0f
commit 1cac878554
3 changed files with 13 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2001-01-24 DJ Delorie <dj@redhat.com>
* combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
check the original operand's mode also.
* simplify-rtx.c (simplify_ternary_operation): Ditto.
2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
* c-parse.in (cast_expr): Move compound literals from here ...

6
gcc/combine.c
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@ -3654,7 +3654,11 @@ combine_simplify_rtx (x, op0_mode, last, in_dest)
{
enum machine_mode cmp_mode = GET_MODE (XEXP (x, 0));
if (cmp_mode == VOIDmode)
cmp_mode = GET_MODE (XEXP (x, 1));
{
cmp_mode = GET_MODE (XEXP (x, 1));
if (cmp_mode == VOIDmode)
cmp_mode = op0_mode;
}
temp = simplify_relational_operation (code, cmp_mode,
XEXP (x, 0), XEXP (x, 1));
}

2
gcc/simplify-rtx.c
View File

@ -2057,6 +2057,8 @@ simplify_ternary_operation (code, mode, op0_mode, op0, op1, op2)
enum machine_mode cmp_mode = (GET_MODE (XEXP (op0, 0)) == VOIDmode
? GET_MODE (XEXP (op0, 1))
: GET_MODE (XEXP (op0, 0)));
if (cmp_mode == VOIDmode)
cmp_mode = op0_mode;
rtx temp
= simplify_relational_operation (GET_CODE (op0), cmp_mode,
XEXP (op0, 0), XEXP (op0, 1));