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re PR tree-optimization/32824 (Missed reduction vectorizer after store to global is LIM'd)

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Fix PR32824.

2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>

	PR middle-end/32824
	* passes.c (init_optimization_passes): Move pass_lim before
	pass_copy_prop and pass_dce_loop.

	* gcc.dg/vect/pr32824: New.

From-SVN: r158018
This commit is contained in:
Changpeng Fang 2010-04-06 19:19:41 +00:00 • committed by Sebastian Pop
parent f4d1d50a5a
commit c86a394778
4 changed files with 27 additions and 1 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
PR middle-end/32824
* passes.c (init_optimization_passes): Move pass_lim before
pass_copy_prop and pass_dce_loop.
2010-04-06 Jakub Jelinek <jakub@redhat.com>
PR target/43667

2
gcc/passes.c
View file

@ -885,9 +885,9 @@ init_optimization_passes (void)
{
struct opt_pass **p = &pass_tree_loop.pass.sub;
NEXT_PASS (pass_tree_loop_init);
NEXT_PASS (pass_lim);
NEXT_PASS (pass_copy_prop);
NEXT_PASS (pass_dce_loop);
NEXT_PASS (pass_lim);
NEXT_PASS (pass_tree_unswitch);
NEXT_PASS (pass_scev_cprop);
NEXT_PASS (pass_record_bounds);

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
PR middle-end/32824
* gcc.dg/vect/pr32824: New.
2010-04-06 Tobias Burnus <burnus@net-b.de>
PR fortran/18918

15
gcc/testsuite/gcc.dg/vect/pr32824.c Normal file
View file

@ -0,0 +1,15 @@
/* { dg-do compile } */
/* { dg-require-effective-target vect_int } */
int a[16*100];
int e;
void foo(void)
{
int i;
for(i = 0;i<16*100;i++)
e += a[i];
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */