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re PR middle-end/53823 (FAIL: gcc.c-torture/execute/930921-1.c execution at -O0 and -O1)

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PR middle-end/53823
	* expmed.c (expand_mult): Skip synth_mult for constant double op1 except
	for special cases.  Don't initialize coeff and is_neg.

From-SVN: r189980
This commit is contained in:
John David Anglin 2012-07-30 15:46:08 +00:00 committed by John David Anglin
parent a5fe079c34
commit caf624554c
2 changed files with 10 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-07-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/53823
* expmed.c (expand_mult): Skip synth_mult for constant double op1 except
for special cases. Don't initialize coeff and is_neg.
2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
Richard Earnshaw <rearnsha@arm.com>

6
gcc/expmed.c
View File

@ -3176,8 +3176,8 @@ expand_mult (enum machine_mode mode, rtx op0, rtx op1, rtx target,
if (INTEGRAL_MODE_P (mode))
{
rtx fake_reg;
HOST_WIDE_INT coeff = 0;
bool is_neg = false;
HOST_WIDE_INT coeff;
bool is_neg;
int mode_bitsize;
if (op1 == CONST0_RTX (mode))
@ -3230,6 +3230,8 @@ expand_mult (enum machine_mode mode, rtx op0, rtx op1, rtx target,
}
goto skip_synth;
}
else
goto skip_synth;
}
else
goto skip_synth;