gcc/libgomp/testsuite/libgomp.c-c++-common/pr81875.c
Tom de Vries ebc6a85e3e Fix condition folding in c_parser_omp_for_loop
2017-09-16  Tom de Vries  <tom@codesourcery.com>

	PR c/81875
	* c-parser.c (c_parser_omp_for_loop): Fold only operands of cond, not
	cond itself.

	* testsuite/libgomp.c-c++-common/pr81875.c: New test.

From-SVN: r252873
2017-09-16 13:11:43 +00:00

47 lines
598 B
C

/* { dg-do run } */
extern
#ifdef __cplusplus
"C"
#endif
void abort (void);
#define N 32ULL
int a[N];
const unsigned long long c = 0x7fffffffffffffffULL;
void
f2_tpf_static32 (void)
{
unsigned long long i;
#pragma omp for
for (i = c + N; i > c; i -= 1ULL)
a[i - 1ULL - c] -= 4;
}
__attribute__((noinline, noclone)) int
test_tpf_static32 (void)
{
int i, j, k;
for (i = 0; i < N; i++)
a[i] = i - 25;
f2_tpf_static32 ();
for (i = 0; i < N; i++)
if (a[i] != i - 29)
return 1;
return 0;
}
int
main ()
{
if (test_tpf_static32 ())
abort ();
return 0;
}