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re PR tree-optimization/60196 (Incorrect compilation with -fwrapv and -ftree-vectorize) 

PR tree-optimization/60196
	PR tree-optimization/63189
	* gcc.dg/vect/pr63189.c: New test.
	* gcc.dg/vect/pr60196-1.c: New test.
	* gcc.dg/vect/pr60196-2.c: New test.

From-SVN: r215025
This commit is contained in:
Jakub Jelinek 2014-09-08 22:15:31 +02:00 committed by Jakub Jelinek
parent 59784c46ff
commit 19b472cc70
4 changed files with 101 additions and 0 deletions
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8
gcc/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2014-09-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/60196
PR tree-optimization/63189
* gcc.dg/vect/pr63189.c: New test.
* gcc.dg/vect/pr60196-1.c: New test.
* gcc.dg/vect/pr60196-2.c: New test.
2014-09-08 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* gcc.target/powerpc/swaps-p8-16.c: New test.

34
gcc/testsuite/gcc.dg/vect/pr60196-1.c Normal file
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/* PR tree-optimization/63189 */
/* { dg-additional-options "-fwrapv" } */
/* { dg-do run } */
#include "tree-vect.h"
__attribute__((noinline, noclone)) static int
bar (const short *a, int len)
{
int x;
int x1 = 0;
for (x = 0; x < len; x++)
x1 += x * a[x];
return x1;
}
__attribute__((noinline, noclone)) void
foo (void)
{
short stuff[9] = {1, 1, 1, 1, 1, 1, 1, 1, 1 };
if (bar (stuff, 9) != 36)
abort ();
}
int
main ()
{
check_vect ();
foo ();
return 0;
}
/* { dg-final { cleanup-tree-dump "vect" } } */

33
gcc/testsuite/gcc.dg/vect/pr60196-2.c Normal file
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/* PR tree-optimization/63189 */
/* { dg-do run } */
#include "tree-vect.h"
static const short a[8] = {1, 1, 1, 1, 1, 1, 1, 1 };
static const unsigned char b[8] = {0, 0, 0, 0, 0, 0, 0, 0 };
__attribute__((noinline, noclone)) static int
bar (void)
{
int sum = 0, i;
for (i = 0; i < 8; ++i)
sum += a[i] * b[i];
return sum;
}
__attribute__((noinline, noclone)) void
foo (void)
{
if (bar () != 0)
abort ();
}
int
main ()
{
check_vect ();
foo ();
return 0;
}
/* { dg-final { cleanup-tree-dump "vect" } } */

26
gcc/testsuite/gcc.dg/vect/pr63189.c Normal file
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/* PR tree-optimization/63189 */
/* { dg-do run } */
#include "tree-vect.h"
short int d[16] = { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 };
__attribute__((noinline, noclone)) void
foo (void)
{
int j, s = 0;
for (j = 0; j < 8; j++)
s += d[j] * j;
if (s != 7)
abort ();
}
int
main ()
{
check_vect ();
foo ();
return 0;
}
/* { dg-final { cleanup-tree-dump "vect" } } */