1 /* PR rtl-optimization/21239 */
2 /* { dg-do run } */
3 /* { dg-options "-O2 -msse2" } */
4 /* { dg-require-effective-target sse2 } */
5
6 #include "sse2-check.h"
7
8 #include <emmintrin.h>
9
10 void
foo(unsigned int x,double * y,const double * z)11 foo (unsigned int x, double *y, const double *z)
12 {
13 __m128d tmp;
14 while (x)
15 {
16 tmp = _mm_load_sd (z);
17 _mm_store_sd (y, tmp);
18 --x; ++z; ++y;
19 }
20 }
21
22 void
bar(unsigned int x,float * y,const float * z)23 bar (unsigned int x, float *y, const float *z)
24 {
25 __m128 tmp;
26 unsigned int i;
27 for (i = 0; i < x; ++i)
28 {
29 tmp = (__m128) { *z, 0, 0, 0 };
30 *y = __builtin_ia32_vec_ext_v4sf (tmp, 0);
31 ++z; ++y;
32 }
33 for (i = 0; i < x; ++i)
34 {
35 tmp = (__m128) { 0, *z, 0, 0 };
36 *y = __builtin_ia32_vec_ext_v4sf (tmp, 1);
37 ++z; ++y;
38 }
39 for (i = 0; i < x; ++i)
40 {
41 tmp = (__m128) { 0, 0, *z, 0 };
42 *y = __builtin_ia32_vec_ext_v4sf (tmp, 2);
43 ++z; ++y;
44 }
45 for (i = 0; i < x; ++i)
46 {
47 tmp = (__m128) { 0, 0, 0, *z };
48 *y = __builtin_ia32_vec_ext_v4sf (tmp, 3);
49 ++z; ++y;
50 }
51 }
52
53 static void
sse2_test(void)54 sse2_test (void)
55 {
56 unsigned int i;
57 double a[16], b[16];
58 float c[16], d[16];
59 for (i = 0; i < 16; ++i)
60 {
61 a[i] = 1;
62 b[i] = 2;
63 c[i] = 3;
64 d[i] = 4;
65 }
66 foo (16, a, b);
67 bar (4, c, d);
68 for (i = 0; i < 16; ++i)
69 {
70 if (a[i] != 2)
71 abort ();
72 if (c[i] != 4)
73 abort ();
74 }
75 }
76