2006-11-30 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.target / i386 / sse3-haddps.c

diff --git a/gcc/testsuite/gcc.target/i386/sse3-haddps.c b/gcc/testsuite/gcc.target/i386/sse3-haddps.c
new file mode 100644 (file)
index 0000000..2914b38
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/sse3-haddps.c
@@ -0,0 +1,111 @@
+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -msse3" } */
+#include <pmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+
+static void sse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSE3 test only if host has SSE3 support.  */
+  if ((cpu_facilities & bit_SSE3))
+    sse3_test ();
+
+  exit (0);
+}
+
+static void
+sse3_test_haddps (float *i1, float *i2, float *r)
+{
+  __m128 t1 = _mm_loadu_ps (i1);
+  __m128 t2 = _mm_loadu_ps (i2);
+
+  t1 = _mm_hadd_ps (t1, t2);
+
+  _mm_storeu_ps (r, t1);
+}
+
+static void
+sse3_test_haddps_subsume (float *i1, float *i2, float *r)
+{
+  __m128 t1 = _mm_load_ps (i1);
+  __m128 t2 = _mm_load_ps (i2);
+
+  t1 = _mm_hadd_ps (t1, t2);
+
+  _mm_storeu_ps (r, t1);
+}
+
+static int
+chk_ps(float *v1, float *v2)
+{
+  int i;
+  int n_fails = 0;
+
+  for (i = 0; i < 4; i++)
+    if (v1[i] != v2[i])
+      n_fails += 1;
+
+  return n_fails;
+}
+
+static float p1[4] __attribute__ ((aligned(16)));
+static float p2[4] __attribute__ ((aligned(16)));
+static float p3[4];
+static float ck[4];
+
+static float vals[80] =
+  {
+    100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
+    1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
+    32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
+    12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
+    541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,
+    23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
+    23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
+    1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
+    -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
+    9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
+  };
+
+static void
+sse3_test ()
+{
+  int i;
+  int fail = 0;
+
+  for (i = 0; i < 80; i += 8)
+    {
+      p1[0] = vals[i+0];
+      p1[1] = vals[i+1];
+      p1[2] = vals[i+2];
+      p1[3] = vals[i+3];
+
+      p2[0] = vals[i+4];
+      p2[1] = vals[i+5];
+      p2[2] = vals[i+6];
+      p2[3] = vals[i+7];
+
+      ck[0] = p1[0] + p1[1];
+      ck[1] = p1[2] + p1[3];
+      ck[2] = p2[0] + p2[1];
+      ck[3] = p2[2] + p2[3];
+
+      sse3_test_haddps (p1, p2, p3);
+
+      fail += chk_ps (ck, p3);
+
+      sse3_test_haddps_subsume (p1, p2, p3);
+
+      fail += chk_ps (ck, p3);
+    }
+
+  if (fail != 0)
+    abort ();
+}