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authorJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
committerJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
commitb094d6c4bf572654a031ecc4afe675154c886dc5 (patch)
tree89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/gcc/testsuite/gcc.target/i386/ssse3-phsubw.c
parentdc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff)
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commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which are recorded in gcc-4.4.3/README.google. Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/gcc/testsuite/gcc.target/i386/ssse3-phsubw.c')
-rw-r--r--gcc-4.4.3/gcc/testsuite/gcc.target/i386/ssse3-phsubw.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/testsuite/gcc.target/i386/ssse3-phsubw.c b/gcc-4.4.3/gcc/testsuite/gcc.target/i386/ssse3-phsubw.c
new file mode 100644
index 000000000..f3dbf9c98
--- /dev/null
+++ b/gcc-4.4.3/gcc/testsuite/gcc.target/i386/ssse3-phsubw.c
@@ -0,0 +1,83 @@
+/* { 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_phsubw (int *i1, int *i2, int *r)
+{
+ __m64 t1 = *(__m64 *) i1;
+ __m64 t2 = *(__m64 *) i2;
+ *(__m64 *) r = _mm_hsub_pi16 (t1, t2);
+ _mm_empty ();
+}
+#endif
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phsubw128 (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_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 i;
+
+ for (i = 0; i < 4; i++)
+ sout[i] = s1[2 * i] - s1[2 * i + 1];
+ for (i = 0; i < 4; i++)
+ sout[i + 4] = s2[2 * i] - s2[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_phsubw (&vals[i + 0], &vals[i + 2], &r[0]);
+ ssse3_test_phsubw (&vals[i + 4], &vals[i + 6], &r[2]);
+ fail += chk_128 (ck, r);
+#endif
+
+ /* Run the 128-bit tests */
+ ssse3_test_phsubw128 (&vals[i + 0], &vals[i + 4], r);
+ fail += chk_128 (ck, r);
+ }
+
+ if (fail != 0)
+ abort ();
+}