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Diffstat (limited to 'gcc/testsuite/gcc.target/i386/ssse3-pmulhrsw.c')
-rw-r--r--gcc/testsuite/gcc.target/i386/ssse3-pmulhrsw.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/ssse3-pmulhrsw.c b/gcc/testsuite/gcc.target/i386/ssse3-pmulhrsw.c
new file mode 100644
index 000000000..24570b3bd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/ssse3-pmulhrsw.c
@@ -0,0 +1,85 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ssse3 } */
+/* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */
+
+#ifndef CHECK_H
+#define CHECK_H "ssse3-check.h"
+#endif
+
+#ifndef TEST
+#define TEST ssse3_test
+#endif
+
+#include CHECK_H
+
+#include "ssse3-vals.h"
+
+#include <tmmintrin.h>
+
+#ifndef __AVX__
+/* Test the 64-bit form */
+static void
+ssse3_test_pmulhrsw (int *i1, int *i2, int *r)
+{
+ __m64 t1 = *(__m64 *) i1;
+ __m64 t2 = *(__m64 *) i2;
+ *(__m64 *) r = _mm_mulhrs_pi16 (t1, t2);
+ _mm_empty ();
+}
+#endif
+
+/* Test the 128-bit form */
+static void
+ssse3_test_pmulhrsw128 (int *i1, int *i2, int *r)
+{
+ /* Assumes incoming pointers are 16-byte aligned */
+ __m128i t1 = *(__m128i *) i1;
+ __m128i t2 = *(__m128i *) i2;
+ *(__m128i *) r = _mm_mulhrs_epi16 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+ short *s1 = (short *) i1;
+ short *s2 = (short *) i2;
+ short *sout = (short *) r;
+ int t0;
+ int i;
+
+ for (i = 0; i < 8; i++)
+ {
+ t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1;
+ sout[i] = (short) (t0 >> 1);
+ }
+}
+
+static void
+TEST (void)
+{
+ int i;
+ int r [4] __attribute__ ((aligned(16)));
+ int ck [4];
+ int fail = 0;
+
+ for (i = 0; i < 256; i += 8)
+ {
+ /* Manually compute the result */
+ compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+#ifndef __AVX__
+ /* Run the 64-bit tests */
+ ssse3_test_pmulhrsw (&vals[i + 0], &vals[i + 4], &r[0]);
+ ssse3_test_pmulhrsw (&vals[i + 2], &vals[i + 6], &r[2]);
+ fail += chk_128 (ck, r);
+#endif
+
+ /* Run the 128-bit tests */
+ ssse3_test_pmulhrsw128 (&vals[i + 0], &vals[i + 4], r);
+ fail += chk_128 (ck, r);
+ }
+
+ if (fail != 0)
+ abort ();
+}