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re PR middle-end/35611 (FAIL: libgomp.c/omp-nested-1.c execution test)

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PR middle-end/35611
	* gimplify.c (gimplify_expr): Gimplify second operand of
	OMP_ATOMIC_LOAD.

	* testsuite/libgomp.c/atomic-4.c: New test.

From-SVN: r133309
This commit is contained in:
Jakub Jelinek 2008-03-18 13:21:02 +01:00 • committed by Jakub Jelinek
parent 9e7759638a
commit 8119fc9307
4 changed files with 36 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-03-18 Jakub Jelinek <jakub@redhat.com>
PR middle-end/35611
* gimplify.c (gimplify_expr): Gimplify second operand of
OMP_ATOMIC_LOAD.
2008-03-17 Richard Guenther <rguenther@suse.de> 2008-03-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/19637 PR tree-optimization/19637

12
gcc/gimplify.c
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@ -6022,12 +6022,18 @@ gimplify_expr (tree *expr_p, tree *pre_p, tree *post_p,
case OMP_RETURN: case OMP_RETURN:
case OMP_CONTINUE: case OMP_CONTINUE:
case OMP_ATOMIC_LOAD: case OMP_ATOMIC_STORE:
case OMP_ATOMIC_STORE:
ret = GS_ALL_DONE; ret = GS_ALL_DONE;
break; break;
case OMP_ATOMIC_LOAD:
if (gimplify_expr (&TREE_OPERAND (*expr_p, 1), pre_p, NULL,
is_gimple_val, fb_rvalue) != GS_ALL_DONE)
ret = GS_ERROR;
else
ret = GS_ALL_DONE;
break;
case POINTER_PLUS_EXPR: case POINTER_PLUS_EXPR:
/* Convert ((type *)A)+offset into &A->field_of_type_and_offset. /* Convert ((type *)A)+offset into &A->field_of_type_and_offset.
The second is gimple immediate saving a need for extra statement. The second is gimple immediate saving a need for extra statement.

3
libgomp/ChangeLog
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@ -1,5 +1,8 @@
2008-03-18 Jakub Jelinek <jakub@redhat.com> 2008-03-18 Jakub Jelinek <jakub@redhat.com>
PR middle-end/35611
* testsuite/libgomp.c/atomic-4.c: New test.
PR libgomp/35625 PR libgomp/35625
* iter.c (gomp_iter_guided_next_locked): If q > n, set end to ws->end. * iter.c (gomp_iter_guided_next_locked): If q > n, set end to ws->end.
(gomp_iter_guided_next): Likewise. (gomp_iter_guided_next): Likewise.

18
libgomp/testsuite/libgomp.c/atomic-4.c Normal file
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@ -0,0 +1,18 @@
/* PR middle-end/35611 */
/* { dg-options "-O2" } */
extern void abort (void);
int
main (void)
{
long double d = .0L;
int i;
#pragma omp parallel for shared (d)
for (i = 0; i < 1000; i++)
#pragma omp atomic
d += 1.0L;
if (d != 1000.0L)
abort ();
return 0;
}