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gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes for the same VAR_DECL.

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* gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
	for the same VAR_DECL.

	* testsuite/libgomp.c/atomic-3.c: New test.

From-SVN: r132977
This commit is contained in:
Jakub Jelinek 2008-03-06 18:28:54 +01:00
parent e8645a4001
commit 251923f5e4
4 changed files with 64 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2008-03-06 Jakub Jelinek <jakub@redhat.com>
* gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
for the same VAR_DECL.
2008-03-06 Tom Tromey <tromey@redhat.com>
* treelang: Delete.

5
gcc/gimplify.c
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@ -5464,7 +5464,10 @@ goa_lhs_expr_p (tree expr, tree addr)
expr = TREE_OPERAND (expr, 0);
addr = TREE_OPERAND (addr, 0);
}
return expr == addr;
if (expr == addr)
return true;
return (TREE_CODE (addr) == ADDR_EXPR && TREE_CODE (expr) == ADDR_EXPR
&& TREE_OPERAND (addr, 0) == TREE_OPERAND (expr, 0));
}
if (TREE_CODE (addr) == ADDR_EXPR && expr == TREE_OPERAND (addr, 0))
return true;

6
libgomp/ChangeLog
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@ -1,7 +1,11 @@
2008-03-06 Jakub Jelinek <jakub@redhat.com>
* testsuite/libgomp.c/atomic-3.c: New test.
2008-03-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
PR fortran/33197
* libgomp/testsuite/libgomp.fortran/fortran.exp: Add .f08 and
* testsuite/libgomp.fortran/fortran.exp: Add .f08 and
.F08 file suffixes.
2008-03-03 Peter O'Gorman <pogma@thewrittenword.com>

50
libgomp/testsuite/libgomp.c/atomic-3.c Normal file
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@ -0,0 +1,50 @@
/* { dg-do run } */
/* { dg-options "-fopenmp -O0" } */
#include <omp.h>
#include <stdlib.h>
short e[64];
int g;
_Complex double d, f;
int num_threads;
__attribute__((noinline)) void
foo (int x, long long y)
{
#pragma omp parallel num_threads (4)
{
int i;
#pragma omp barrier
for (i = 0; i < 2400; i++)
{
if (i == 0)
num_threads = omp_get_num_threads ();
#pragma omp atomic
e[0] += x;
#pragma omp atomic
e[16] += x;
#pragma omp atomic
g += y;
#pragma omp atomic
__real__ d += x;
#pragma omp atomic
__imag__ f += x;
}
}
}
int
main (void)
{
int i;
foo (3, 3LL);
if (g != 3 * 2400 * num_threads
|| __real__ d != g || __imag__ d != 0
|| __real__ f != 0 || __imag__ f != g)
abort ();
for (i = 0; i < 64; i++)
if (e[i] != ((i && i != 16) ? 0 : g))
abort ();
return 0;
}