[Bug tree-optimization/69820] [6 Regression] Test miscompiled with -O3 option
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Feb 15 15:58:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69820
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
C runtime testcase:
unsigned int a[100];
long long int b[100];
unsigned short c[100];
__attribute__((noinline, noclone)) void
foo (void)
{
int i;
for (i = 0; i < 100; ++i)
b[i] = a[i] * (c[i] * (_Bool) c[i]);
}
int
main ()
{
int i;
if (__SIZEOF_INT__ * __CHAR_BIT__ != 32)
return 0;
for (i = 0; i < 100; ++i)
{
a[i] = 3489456818U;
b[i] = 0x1eadbeefbeefdeadLL;
c[i] = 38364;
}
foo ();
for (i = 0; i < 100; ++i)
if (b[i] != 0xed446af8U)
__builtin_abort ();
return 0;
}
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