gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/reduction-2.c
Cesar Philippidis 10c3c4245b re PR testsuite/68242 (FAIL: libgomp.oacc-c-c++-common/reduction-2.c, and other OpenACC reduction test case "oddities")
libgomp/
	PR testsuite/68242
	* testsuite/libgomp.oacc-c-c++-common/reduction-1.c: Adjust test.
	* testsuite/libgomp.oacc-c-c++-common/reduction-2.c: Likewise.

From-SVN: r234957
2016-04-13 11:54:41 -07:00

84 lines
2.2 KiB
C

/* { dg-do run } */
/* Ignore vector_length warnings for offloaded (nvptx) targets. */
/* { dg-additional-options "-foffload=-w" } */
/* float reductions. */
#include <stdlib.h>
#include "reduction.h"
const int ng = 8;
const int nw = 4;
const int vl = 32;
static void
test_reductions (void)
{
const int n = 10;
int i;
float array[n];
for (i = 0; i < n; i++)
array[i] = i+1;
/* Gang reductions. */
check_reduction_op (float, +, 0, array[i], num_gangs (ng), gang);
check_reduction_op (float, *, 1, array[i], num_gangs (ng), gang);
/* Worker reductions. */
check_reduction_op (float, +, 0, array[i], num_workers (nw), worker);
check_reduction_op (float, *, 1, array[i], num_workers (nw), worker);
/* Vector reductions. */
check_reduction_op (float, +, 0, array[i], vector_length (vl), vector);
check_reduction_op (float, *, 1, array[i], vector_length (vl), vector);
/* Combined reductions. */
check_reduction_op (float, +, 0, array[i], num_gangs (ng) num_workers (nw)
vector_length (vl), gang worker vector);
check_reduction_op (float, *, 1, array[i], num_gangs (ng) num_workers (nw)
vector_length (vl), gang worker vector);
}
static void
test_reductions_minmax (void)
{
const int n = 1000;
int i;
float array[n];
for (i = 0; i < n; i++)
array[i] = i;
/* Gang reductions. */
check_reduction_macro (float, min, n + 1, array[i], num_gangs (ng), gang);
check_reduction_macro (float, max, -1, array[i], num_gangs (ng), gang);
/* Worker reductions. */
check_reduction_macro (float, min, n + 1, array[i], num_workers (nw),
worker);
check_reduction_macro (float, max, -1, array[i], num_workers (nw), worker);
/* Vector reductions. */
check_reduction_macro (float, min, n + 1, array[i], vector_length (vl),
vector);
check_reduction_macro (float, max, -1, array[i], vector_length (vl), vector);
/* Combined reductions. */
check_reduction_macro (float, min, n + 1, array[i], num_gangs (ng)
num_workers (nw) vector_length (vl), gang worker
vector);
check_reduction_macro (float, max, -1, array[i], num_gangs (ng)
num_workers (nw)vector_length (vl), gang worker
vector);
}
int
main (void)
{
test_reductions ();
test_reductions_minmax ();
return 0;
}