1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/* { dg-do run } */
/* { dg-require-effective-target p8vector_hw } */
/* { dg-options "-O2 -mpower8-vector -Wno-psabi" } */
#include "sse4_1-check.h"
#include <smmintrin.h>
#include <string.h>
#include <stdlib.h>
#define NUM 20
#undef MASK
#define MASK 0xe
static void
init_blendps (float *src1, float *src2)
{
int i, sign = 1;
for (i = 0; i < NUM * 4; i++)
{
src1[i] = i * i * sign;
src2[i] = (i + 20) * sign;
sign = -sign;
}
}
static int
check_blendps (__m128 *dst, float *src1, float *src2)
{
float tmp[4];
int j;
memcpy (&tmp[0], src1, sizeof (tmp));
for (j = 0; j < 4; j++)
if ((MASK & (1 << j)))
tmp[j] = src2[j];
return memcmp (dst, &tmp[0], sizeof (tmp));
}
static void
sse4_1_test (void)
{
__m128 x, y;
union
{
__m128 x[NUM];
float f[NUM * 4];
} dst, src1, src2;
union
{
__m128 x;
float f[4];
} src3;
int i;
init_blendps (src1.f, src2.f);
for (i = 0; i < 4; i++)
src3.f[i] = (int) rand ();
/* Check blendps imm8, m128, xmm */
for (i = 0; i < NUM; i++)
{
dst.x[i] = _mm_blend_ps (src1.x[i], src2.x[i], MASK);
if (check_blendps (&dst.x[i], &src1.f[i * 4], &src2.f[i * 4]))
abort ();
}
/* Check blendps imm8, xmm, xmm */
x = _mm_blend_ps (dst.x[2], src3.x, MASK);
y = _mm_blend_ps (src3.x, dst.x[2], MASK);
if (check_blendps (&x, &dst.f[8], &src3.f[0]))
abort ();
if (check_blendps (&y, &src3.f[0], &dst.f[8]))
abort ();
}
|
