* [committed] Add testcase for PR rtl-optimization/81020
@ 2017-11-28 10:56 Jakub Jelinek
2017-11-28 16:05 ` Christophe Lyon
0 siblings, 1 reply; 2+ messages in thread
From: Jakub Jelinek @ 2017-11-28 10:56 UTC (permalink / raw)
To: Segher Boessenkool; +Cc: gcc-patches
Hi!
This testcase was fixed by Segher's r254875:
https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00340.html
on the trunk, so I've committed it to trunk as obvious.
On release branches it still needs fixing.
2017-11-28 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/81020
* gcc.dg/pr81020.c: New test.
--- gcc/testsuite/gcc.dg/pr81020.c.jj 2017-11-27 18:49:06.659907687 +0100
+++ gcc/testsuite/gcc.dg/pr81020.c 2017-11-27 18:49:00.431982443 +0100
@@ -0,0 +1,23 @@
+/* PR rtl-optimization/81020 */
+/* { dg-do run } */
+/* { dg-options "-O -fno-tree-bit-ccp -fno-tree-coalesce-vars -fno-tree-vrp" } */
+
+unsigned v = 4;
+
+unsigned long long __attribute__((noipa))
+foo (unsigned x)
+{
+ unsigned a = v;
+ a &= 1;
+ x |= 0 < a;
+ a >>= 31;
+ return x + a;
+}
+
+int
+main ()
+{
+ if (foo (2) != 2)
+ __builtin_abort ();
+ return 0;
+}
Jakub
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [committed] Add testcase for PR rtl-optimization/81020
2017-11-28 10:56 [committed] Add testcase for PR rtl-optimization/81020 Jakub Jelinek
@ 2017-11-28 16:05 ` Christophe Lyon
0 siblings, 0 replies; 2+ messages in thread
From: Christophe Lyon @ 2017-11-28 16:05 UTC (permalink / raw)
To: Jakub Jelinek; +Cc: Segher Boessenkool, gcc-patches
Hi,
On 28 November 2017 at 11:24, Jakub Jelinek <jakub@redhat.com> wrote:
> Hi!
>
> This testcase was fixed by Segher's r254875:
> https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00340.html
> on the trunk, so I've committed it to trunk as obvious.
> On release branches it still needs fixing.
>
> 2017-11-28 Jakub Jelinek <jakub@redhat.com>
>
> PR rtl-optimization/81020
> * gcc.dg/pr81020.c: New test.
>
I'm seeing:
FAIL: gcc.dg/pr81020.c execution test
on aarch64
Is it expected?
> --- gcc/testsuite/gcc.dg/pr81020.c.jj 2017-11-27 18:49:06.659907687 +0100
> +++ gcc/testsuite/gcc.dg/pr81020.c 2017-11-27 18:49:00.431982443 +0100
> @@ -0,0 +1,23 @@
> +/* PR rtl-optimization/81020 */
> +/* { dg-do run } */
> +/* { dg-options "-O -fno-tree-bit-ccp -fno-tree-coalesce-vars -fno-tree-vrp" } */
> +
> +unsigned v = 4;
> +
> +unsigned long long __attribute__((noipa))
> +foo (unsigned x)
> +{
> + unsigned a = v;
> + a &= 1;
> + x |= 0 < a;
> + a >>= 31;
> + return x + a;
> +}
> +
> +int
> +main ()
> +{
> + if (foo (2) != 2)
> + __builtin_abort ();
> + return 0;
> +}
>
> Jakub
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-11-28 10:56 [committed] Add testcase for PR rtl-optimization/81020 Jakub Jelinek
2017-11-28 16:05 ` Christophe Lyon
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