Viewing file:  sse3-hsubps.c (2.18 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
/* { dg-require-effective-target p8vector_hw } */
#ifndef CHECK_H
#define CHECK_H "sse3-check.h"
#endif
#include CHECK_H
#ifndef TEST
#define TEST sse3_test_hsubps_1
#endif
#define NO_WARN_X86_INTRINSICS 1
#include <pmmintrin.h>
static void
sse3_test_hsubps (float *i1, float *i2, float *r)
{
__m128 t1 = _mm_loadu_ps (i1);
__m128 t2 = _mm_loadu_ps (i2);
t1 = _mm_hsub_ps (t1, t2);
_mm_storeu_ps (r, t1);
}
static void
sse3_test_hsubps_subsume (float *i1, float *i2, float *r)
{
__m128 t1 = _mm_load_ps (i1);
__m128 t2 = _mm_load_ps (i2);
t1 = _mm_hsub_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[] =
{
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
TEST ()
{
int i;
int fail = 0;
for (i = 0; i < sizeof (vals) / sizeof (vals[0]); 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_hsubps (p1, p2, p3);
fail += chk_ps (ck, p3);
sse3_test_hsubps_subsume (p1, p2, p3);
fail += chk_ps (ck, p3);
}
if (fail != 0)
abort ();
}
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