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re PR rtl-optimization/68730 (wrong code at -O3 on x86_64-linux-gnu (in 32-bit mode))

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PR rtl-optimization/68730
	* cfgrtl.c (cfg_layout_finalize): Free dominators.

	* gcc.dg/pr68730.c: New test.

From-SVN: r231606
This commit is contained in:
Jakub Jelinek 2015-12-14 09:04:37 +01:00 committed by Jakub Jelinek
parent 65a00f0e3b
commit 63da5ff6bf
4 changed files with 62 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-12-14 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/68730
* cfgrtl.c (cfg_layout_finalize): Free dominators.
2015-12-13 Alexandre Oliva <aoliva@redhat.com>
PR debug/67355

1
gcc/cfgrtl.c
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@ -4299,6 +4299,7 @@ void
cfg_layout_finalize (void)
{
checking_verify_flow_info ();
free_dominance_info (CDI_DOMINATORS);
force_one_exit_fallthru ();
rtl_register_cfg_hooks ();
if (reload_completed && !targetm.have_epilogue ())

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-12-14 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/68730
* gcc.dg/pr68730.c: New test.
2015-12-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR testsuite/68629

51
gcc/testsuite/gcc.dg/pr68730.c Normal file
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@ -0,0 +1,51 @@
/* PR rtl-optimization/68730 */
/* { dg-do compile } */
/* { dg-options "-O3 -fno-if-conversion" } */
/* { dg-additional-options "-march=x86-64" { target { i?86-*-* x86_64-*-* } } } */
int b, d, e;
unsigned long long c = 4100543410106915;
void
foo (void)
{
short f, g = 4 % c;
int h = c;
if (h)
{
int i = ~c;
if (~c)
i = 25662;
f = g = i;
h = c - g + ~-f;
c = ~(c * h - f);
}
f = g;
unsigned long long k = g || c;
short l = c ^ g ^ k;
if (g > 25662 || c == 74074520320 || !(g < 2))
{
k = c;
l = g;
c = ~((k && c) + ~l);
f = ~(f * (c ^ k) | l);
if (c > k)
__builtin_printf ("%d\n", f);
}
short m = -f;
unsigned long long n = c;
c = m * f | n % c;
if (n)
__builtin_printf ("%d\n", f);
while (f < -31807)
;
c = ~(n | c) | f;
if (n < c)
__builtin_printf ("%lld\n", (long long) f);
for (; d;)
for (; e;)
for (;;)
;
c = h;
c = l % c;
}