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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/ssse3-phsubd.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/ssse3-phsubd.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/ssse3-phsubd.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/ssse3-phsubd.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/ssse3-phsubd.c
new file mode 100644
index 000000000..5884e5c12
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/ssse3-phsubd.c
@@ -0,0 +1,80 @@
+/* { 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_phsubd (int *i1, int *i2, int *r)
+{
+ __m64 t1 = *(__m64 *) i1;
+ __m64 t2 = *(__m64 *) i2;
+ *(__m64 *) r = _mm_hsub_pi32(t1, t2);
+ _mm_empty ();
+}
+#endif
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phsubd128 (int *i1, int *i2, int *r)
+{
+ /* Assumes incoming pointers are 16-byte aligned */
+ __m128i t1 = *(__m128i *) i1;
+ __m128i t2 = *(__m128i *) i2;
+ *(__m128i *) r = _mm_hsub_epi32 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+ int i;
+
+ for (i = 0; i < 2; i++)
+ r[i] = i1[2 * i] - i1[2 * i + 1];
+ for (i = 0; i < 2; i++)
+ r[i + 2] = i2[2 * i] - i2[2 * i + 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_phsubd (&vals[i + 0], &vals[i + 2], &r[0]);
+ ssse3_test_phsubd (&vals[i + 4], &vals[i + 6], &r[2]);
+ fail += chk_128 (ck, r);
+#endif
+
+ /* Run the 128-bit tests */
+ ssse3_test_phsubd128 (&vals[i + 0], &vals[i + 4], r);
+ fail += chk_128 (ck, r);
+ }
+
+ if (fail != 0)
+ abort ();
+}