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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpermps-2.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpermps-2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpermps-2.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpermps-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpermps-2.c
new file mode 100644
index 000000000..4190189a8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpermps-2.c
@@ -0,0 +1,55 @@
+/* { dg-do run } */
+/* { dg-options "-mavx2 -O2" } */
+/* { dg-require-effective-target avx2 } */
+
+#include "avx2-check.h"
+#include <string.h>
+
+#define NUM 10
+
+static void
+init_permps (float *src1, int *src2, int seed)
+{
+ int i, sign = 1;
+
+ for (i = 0; i < 8; i++)
+ {
+ src1[i] = (i + seed) * (i + seed) * sign;
+ src2[i] = (i + seed + 20) * sign;
+ sign = -sign;
+ }
+}
+
+static void
+calc_permps (float *src1, int *src2, float *dst)
+{
+ int i;
+ unsigned temp;
+
+ memcpy (dst, src1, 32);
+ for (i = 0; i < 8; i++)
+ {
+ temp = src2[i];
+ dst[i] = src1[temp & 7];
+ }
+}
+
+static void
+avx2_test (void)
+{
+ union256 src1, dst;
+ union256i_d src2;
+ float dst_ref[8];
+ int i;
+
+ for (i = 0; i < NUM; i++)
+ {
+ init_permps (src1.a, src2.a, i);
+
+ dst.x = _mm256_permutevar8x32_ps (src1.x, src2.x);
+ calc_permps (src1.a, src2.a, dst_ref);
+
+ if (check_union256 (dst, dst_ref))
+ abort ();
+ }
+}