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re PR middle-end/45098 (Missed induction variable optimization)

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2011-06-14  Tom de Vries  <tom@codesourcery.com>

	PR target/45098
	* gcc.target/arm/ivopts-3.c: New test.
	* gcc.target/arm/ivopts-4.c: New test.
	* gcc.target/arm/ivopts-5.c: New test.

From-SVN: r175025
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Tom de Vries 2011-06-14 15:05:26 +00:00 • committed by Tom de Vries
parent 8a76c4a040
commit 5e59d472ed
4 changed files with 80 additions and 0 deletions
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7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2011-06-14 Tom de Vries <tom@codesourcery.com>
PR target/45098
* gcc.target/arm/ivopts-3.c: New test.
* gcc.target/arm/ivopts-4.c: New test.
* gcc.target/arm/ivopts-5.c: New test.
2011-06-14 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/49390

26
gcc/testsuite/gcc.target/arm/ivopts-3.c Normal file
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/* { dg-do assemble } */
/* { dg-options "-Os -mthumb -fdump-tree-ivopts -save-temps" } */
extern unsigned int foo2 (short*) __attribute__((pure));
unsigned int
tr3 (short array[], unsigned int n)
{
int sum = 0;
unsigned int x;
x = 0;
while (1)
{
sum += foo2 (&array[x]);
if (!(x < n))
break;
x++;
}
return sum;
}
/* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */
/* { dg-final { scan-tree-dump-times "PHI <x" 0 "ivopts"} } */
/* { dg-final { scan-tree-dump-times ", x" 0 "ivopts"} } */
/* { dg-final { object-size text <= 30 { target arm_thumb2_ok } } } */
/* { dg-final { cleanup-tree-dump "ivopts" } } */

21
gcc/testsuite/gcc.target/arm/ivopts-4.c Normal file
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/* { dg-do assemble } */
/* { dg-options "-mthumb -Os -fdump-tree-ivopts -save-temps" } */
extern unsigned int foo (int*) __attribute__((pure));
unsigned int
tr2 (int array[], int n)
{
unsigned int sum = 0;
int x;
if (n > 0)
for (x = 0; x < n; x++)
sum += foo (&array[x]);
return sum;
}
/* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */
/* { dg-final { scan-tree-dump-times "PHI <x" 0 "ivopts"} } */
/* { dg-final { scan-tree-dump-times ", x" 0 "ivopts"} } */
/* { dg-final { object-size text <= 36 { target arm_thumb2_ok } } } */
/* { dg-final { cleanup-tree-dump "ivopts" } } */

26
gcc/testsuite/gcc.target/arm/ivopts-5.c Normal file
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/* { dg-do assemble } */
/* { dg-options "-Os -mthumb -fdump-tree-ivopts -save-temps" } */
extern unsigned int foo (int*) __attribute__((pure));
unsigned int
tr1 (int array[], unsigned int n)
{
int sum = 0;
unsigned int x;
x = 0;
while (1)
{
sum += foo (&array[x]);
if (!(x < n))
break;
x++;
}
return sum;
}
/* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */
/* { dg-final { scan-tree-dump-times "PHI <x" 0 "ivopts"} } */
/* { dg-final { scan-tree-dump-times ", x" 0 "ivopts"} } */
/* { dg-final { object-size text <= 30 { target arm_thumb2_ok } } } */
/* { dg-final { cleanup-tree-dump "ivopts" } } */