summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.target/i386/avx512f-i32scatterq512-2.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/avx512f-i32scatterq512-2.c')
-rw-r--r--gcc/testsuite/gcc.target/i386/avx512f-i32scatterq512-2.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-i32scatterq512-2.c b/gcc/testsuite/gcc.target/i386/avx512f-i32scatterq512-2.c
new file mode 100644
index 00000000000..fe5c3ade1a9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-i32scatterq512-2.c
@@ -0,0 +1,53 @@
+/* { dg-do run } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#define SCALE 2
+
+static void
+compute_scatterdq (__mmask8 m8, int *idx, long long *src,
+ int scale, long long *r)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
+ {
+ if (m8 & (1 << i))
+ *(long long *) (((unsigned char *) r) + idx[i] * scale) =
+ src[i];
+ }
+}
+
+static void
+avx512f_test (void)
+{
+ int i;
+ union256i_d idx;
+ union512i_q src;
+ long long res[8] = { 0 };
+ long long res_ref[8] = { 0 };
+ __mmask8 m8 = 0xC5;
+
+ for (i = 0; i < 8; i++)
+ {
+ src.a[i] = 1983 * (i + 1) * (i + 2);
+
+ /* About to gather in reverse order,
+ divide by 2 to demonstrate scale */
+ idx.a[i] = (64 - (i + 1) * 8) >> 1;
+ }
+
+ _mm512_mask_i32scatter_epi64 (res, m8, idx.x, src.x, SCALE);
+ compute_scatterdq (m8, idx.a, src.a, SCALE, res_ref);
+
+ if (checkVl (res, res_ref, 8))
+ abort ();
+
+ _mm512_i32scatter_epi64 (res, idx.x, src.x, SCALE);
+ compute_scatterdq (0xFF, idx.a, src.a, SCALE, res_ref);
+
+ if (checkVl (res, res_ref, 8))
+ abort ();
+}