1 /* { dg-do run } */
2 /* { dg-require-effective-target sse4 } */
3 /* { dg-options "-O2 -msse4.1" } */
4
5 #ifndef CHECK_H
6 #define CHECK_H "sse4_1-check.h"
7 #endif
8
9 #ifndef TEST
10 #define TEST sse4_1_test
11 #endif
12
13 #include CHECK_H
14
15 #include <smmintrin.h>
16 #include <string.h>
17
18 #define NUM 20
19
20 static void
init_pblendvb(unsigned char * src1,unsigned char * src2,unsigned char * mask)21 init_pblendvb (unsigned char *src1, unsigned char *src2,
22 unsigned char *mask)
23 {
24 int i, sign = 1;
25
26 for (i = 0; i < NUM * 16; i++)
27 {
28 src1[i] = i* i * sign;
29 src2[i] = (i + 20) * sign;
30 mask[i] = (i % 3) + ((i * (14 + sign))
31 ^ (src1[i] | src2[i] | (i*3)));
32 sign = -sign;
33 }
34 }
35
36 static int
check_pblendvb(__m128i * dst,unsigned char * src1,unsigned char * src2,unsigned char * mask)37 check_pblendvb (__m128i *dst, unsigned char *src1,
38 unsigned char *src2, unsigned char *mask)
39 {
40 unsigned char tmp[16];
41 int j;
42
43 memcpy (&tmp[0], src1, sizeof (tmp));
44 for (j = 0; j < 16; j++)
45 if (mask [j] & 0x80)
46 tmp[j] = src2[j];
47
48 return memcmp (dst, &tmp[0], sizeof (tmp));
49 }
50
51 static void
TEST(void)52 TEST (void)
53 {
54 union
55 {
56 __m128i x[NUM];
57 unsigned char c[NUM * 16];
58 } dst, src1, src2, mask;
59 int i;
60
61 init_pblendvb (src1.c, src2.c, mask.c);
62
63 for (i = 0; i < NUM; i++)
64 {
65 dst.x[i] = _mm_blendv_epi8 (src1.x[i], src2.x[i], mask.x[i]);
66 if (check_pblendvb (&dst.x[i], &src1.c[i * 16], &src2.c[i * 16],
67 &mask.c[i * 16]))
68 abort ();
69 }
70 }
71