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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c
new file mode 100644
index 000000000..371984776
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c
@@ -0,0 +1,61 @@
+/* { dg-do run } */
+/* { dg-options "-mavx2 -O2" } */
+/* { dg-require-effective-target avx2 } */
+
+#include "avx2-check.h"
+#include "ssse3-vals.h"
+
+static short
+signed_saturate_to_word (int x)
+{
+ if (x > (int) 0x7fff)
+ return 0x7fff;
+
+ if (x < (int) 0xffff8000)
+ return 0x8000;
+
+ return (short) x;
+}
+
+static void
+compute_phaddsw256 (short *i1, short *i2, short *r)
+{
+ int i;
+
+ for (i = 0; i < 4; i++)
+ r[i + 0] = signed_saturate_to_word (i1[2 * i] + i1[2 * i + 1]);
+
+ for (i = 0; i < 4; i++)
+ r[i + 4] = signed_saturate_to_word (i2[2 * i] + i2[2 * i + 1]);
+
+ for (i = 0; i < 4; i++)
+ r[i + 8] = signed_saturate_to_word (i1[2 * i + 8] + i1[2 * i + 9]);
+
+ for (i = 0; i < 4; i++)
+ r[i + 12] = signed_saturate_to_word (i2[2 * i + 8] + i2[2 * i + 9]);
+}
+
+static void
+avx2_test (void)
+{
+ union256i_w s1, s2, res;
+ short res_ref[16];
+ int i, j;
+ int fail = 0;
+
+
+ for (i = 0; i < 256; i += 16)
+ {
+ s1.x = _mm256_loadu_si256 ((__m256i *) & vals[i]);
+ s2.x = _mm256_loadu_si256 ((__m256i *) & vals[i + 8]);
+
+ res.x = _mm256_hadds_epi16 (s1.x, s2.x);
+
+ compute_phaddsw256 (s1.a, s2.a, res_ref);
+
+ fail += check_union256i_w (res, res_ref);
+ }
+
+ if (fail != 0)
+ abort ();
+}