gcc/libgomp/testsuite/libgomp.c/reduction-5.c
Jakub Jelinek c34938a8aa re PR middle-end/36506 (Broken #pragma omp sections reduction (+:x))
PR middle-end/36506
	* omp-low.c (expand_omp_sections): Handle #pragma omp sections with
	reductions.

	* testsuite/libgomp.c/reduction-5.c: New test.

From-SVN: r136696
2008-06-12 13:03:50 +02:00

79 lines
1.2 KiB
C

/* PR middle-end/36506 */
extern void abort (void);
int
main (void)
{
int sum = 0, prod = 1;
#pragma omp parallel
#pragma omp sections reduction (+:sum)
{
#pragma omp section
sum += 2;
#pragma omp section
sum += 2;
#pragma omp section
sum += 2;
}
if (sum != 6)
abort ();
sum = 0;
#pragma omp parallel sections reduction (+:sum)
{
#pragma omp section
sum += 2;
#pragma omp section
sum += 2;
#pragma omp section
sum += 2;
}
if (sum != 6)
abort ();
sum = 0;
#pragma omp parallel
#pragma omp sections reduction (+:sum) reduction (*:prod)
{
#pragma omp section
{
sum += 2;
prod *= 2;
}
#pragma omp section
{
sum += 2;
prod *= 2;
}
#pragma omp section
{
sum += 2;
prod *= 2;
}
}
if (sum != 6 || prod != 8)
abort ();
sum = 0;
prod = 1;
#pragma omp parallel sections reduction (+:sum) reduction (*:prod)
{
#pragma omp section
{
sum += 2;
prod *= 2;
}
#pragma omp section
{
sum += 2;
prod *= 2;
}
#pragma omp section
{
sum += 2;
prod *= 2;
}
}
if (sum != 6 || prod != 8)
abort ();
return 0;
}