aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i64gatherd512-2.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i64gatherd512-2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i64gatherd512-2.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i64gatherd512-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i64gatherd512-2.c
new file mode 100644
index 000000000..dff818db4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx512f-i64gatherd512-2.c
@@ -0,0 +1,54 @@
+/* { dg-do run } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#define SCALE 2
+
+static void
+compute_gatherqd (int *res, __mmask8 m8, long long *idx,
+ int *src, int scale, int *r)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
+ {
+ if (m8 & (1 << i))
+ r[i] = *(int *) (((unsigned char *) src) + idx[i] * scale);
+ else
+ r[i] = res[i];
+ }
+}
+
+static void
+avx512f_test (void)
+{
+ int i;
+ union256i_d res;
+ union512i_q idx;
+ int src[8];
+ int res_ref[8];
+ __mmask8 m8 = 0xC5;
+
+ for (i = 0; i < 8; i++)
+ {
+ src[i] = 1973 * (i + 1) * (i + 2);
+
+ /* About to gather in reverse order,
+ divide by 2 to demonstrate scale */
+ idx.a[i] = (32 - (i + 1) * 4) >> 1;
+ }
+
+ res.x = _mm512_mask_i64gather_epi32 (res.x, m8, idx.x, src, SCALE);
+ compute_gatherqd (res.a, m8, idx.a, src, SCALE, res_ref);
+
+ if (check_union256i_d (res, res_ref))
+ abort ();
+
+ res.x = _mm512_i64gather_epi32 (idx.x, src, SCALE);
+ compute_gatherqd (res.a, 0xFF, idx.a, src, SCALE, res_ref);
+
+ if (check_union256i_d (res, res_ref))
+ abort ();
+}