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re PR tree-optimization/66952 (wrong code at -O2 and -O3 on x86_64-linux-gnu)

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2015-07-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66952
	* gcc.dg/torture/pr66952.c: Use signed char.

From-SVN: r226104
This commit is contained in:
Richard Biener 2015-07-23 11:19:26 +00:00 • committed by Richard Biener
parent b5fd0440dc
commit f45dacba22
2 changed files with 7 additions and 2 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-07-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/66952
* gcc.dg/torture/pr66952.c: Use signed char.
2015-07-23 Yuri Rumyantsev <ysrumyan@gmail.com>
PR tree-optimization/66926,66951

4
gcc/testsuite/gcc.dg/torture/pr66952.c
View file

@ -3,7 +3,7 @@
int a = 128, b;
static int
fn1 (char p1, int p2)
fn1 (signed char p1, int p2)
{
return p1 < 0 || p1 > 1 >> p2 ? 0 : p1 << 1;
}
@ -11,7 +11,7 @@ fn1 (char p1, int p2)
static int
fn2 ()
{
char c = a;
signed char c = a;
b = fn1 (c, 1);
if ((128 | c) < 0 ? 1 : 0)
return 1;