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re PR middle-end/48591 (OpenMP ICE with atomics on __float128 in 32-bit only i686 cc1)

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PR middle-end/48591
	* omp-low.c (expand_omp_atomic_fetch_op): Return false if decl is
	NULL.
	(expand_omp_atomic_pipeline): Return false if cmpxchg is NULL.

	* gcc.dg/gomp/pr48591.c: New test.

	* testsuite/libgomp.c/pr48591.c: New test.

From-SVN: r172379
This commit is contained in:
Jakub Jelinek 2011-04-13 17:50:02 +02:00 committed by Jakub Jelinek
parent 9c76a19e8f
commit 20790697dd
6 changed files with 63 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-04-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/48591
* omp-low.c (expand_omp_atomic_fetch_op): Return false if decl is
NULL.
(expand_omp_atomic_pipeline): Return false if cmpxchg is NULL.
2011-04-13 Bernd Schmidt <bernds@codesourcery.com>
* dwarf2out.c (struct dw_cfi_struct): Remove member dw_cfi_next.

4
gcc/omp-low.c
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@ -5006,6 +5006,8 @@ expand_omp_atomic_fetch_op (basic_block load_bb,
return false;
decl = built_in_decls[base + index + 1];
if (decl == NULL_TREE)
return false;
itype = TREE_TYPE (TREE_TYPE (decl));
if (direct_optab_handler (optab, TYPE_MODE (itype)) == CODE_FOR_nothing)
@ -5057,6 +5059,8 @@ expand_omp_atomic_pipeline (basic_block load_bb, basic_block store_bb,
edge e;
cmpxchg = built_in_decls[BUILT_IN_VAL_COMPARE_AND_SWAP_N + index + 1];
if (cmpxchg == NULL_TREE)
return false;
type = TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (addr)));
itype = TREE_TYPE (TREE_TYPE (cmpxchg));

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2011-04-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/48591
* gcc.dg/gomp/pr48591.c: New test.
PR c++/48570
* g++.dg/cpp0x/constexpr-wstring1.C: New test.
* g++.dg/cpp0x/constexpr-wstring2.C: New test.

22
gcc/testsuite/gcc.dg/gomp/pr48591.c Normal file
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@ -0,0 +1,22 @@
/* PR middle-end/48591 */
/* { dg-do compile { target i?86-*-* x86_64-*-* ia64-*-* } } */
/* { dg-options "-fopenmp" } */
extern void abort (void);
int
main ()
{
__float128 f = 0.0;
int i;
#pragma omp parallel for reduction(+:f)
for (i = 0; i < 128; i++)
f += 0.5Q;
if (f != 64.0Q)
abort ();
#pragma omp atomic
f += 8.5Q;
if (f != 72.5Q)
abort ();
return 0;
}

5
libgomp/ChangeLog
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@ -1,3 +1,8 @@
2011-04-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/48591
* testsuite/libgomp.c/pr48591.c: New test.
2011-03-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR bootstrap/48135

22
libgomp/testsuite/libgomp.c/pr48591.c Normal file
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@ -0,0 +1,22 @@
/* PR middle-end/48591 */
/* { dg-do run { target i?86-*-linux* x86_64-*-linux* ia64-*-linux* } } */
/* { dg-options "-fopenmp" } */
extern void abort (void);
int
main ()
{
__float128 f = 0.0;
int i;
#pragma omp parallel for reduction(+:f)
for (i = 0; i < 128; i++)
f += 0.5Q;
if (f != 64.0Q)
abort ();
#pragma omp atomic
f += 8.5Q;
if (f != 72.5Q)
abort ();
return 0;
}