1 /* { dg-do run } */
2 /* { dg-require-effective-target sse3 } */
3 /* { dg-options "-O2 -msse3 -mfpmath=sse" } */
4
5 #ifndef CHECK_H
6 #define CHECK_H "sse3-check.h"
7 #endif
8
9 #ifndef TEST
10 #define TEST sse3_test
11 #endif
12
13 #include CHECK_H
14 #include <pmmintrin.h>
15
16 static void
sse3_test_hsubps(float * i1,float * i2,float * r)17 sse3_test_hsubps (float *i1, float *i2, float *r)
18 {
19 __m128 t1 = _mm_loadu_ps (i1);
20 __m128 t2 = _mm_loadu_ps (i2);
21
22 t1 = _mm_hsub_ps (t1, t2);
23
24 _mm_storeu_ps (r, t1);
25 }
26
27 static void
sse3_test_hsubps_subsume(float * i1,float * i2,float * r)28 sse3_test_hsubps_subsume (float *i1, float *i2, float *r)
29 {
30 __m128 t1 = _mm_load_ps (i1);
31 __m128 t2 = _mm_load_ps (i2);
32
33 t1 = _mm_hsub_ps (t1, t2);
34
35 _mm_storeu_ps (r, t1);
36 }
37
38 static int
chk_ps(float * v1,float * v2)39 chk_ps (float *v1, float *v2)
40 {
41 int i;
42 int n_fails = 0;
43
44 for (i = 0; i < 4; i++) {
45 if (v1[i] != v2[i]) {
46 n_fails += 1;
47 }
48 }
49
50 return n_fails;
51 }
52
53 static float p1[4] __attribute__ ((aligned(16)));
54 static float p2[4] __attribute__ ((aligned(16)));
55 static float p3[4];
56 static float ck[4];
57
58 static float vals[80] =
59 {
60 100.0, 200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
61 1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
62 32.6, 123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
63 12.16, 52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
64 541.3, 321.4, 231.4, 531.4, 71., 321., 231., -531.,
65 23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
66 23.45, -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
67 1.234, 2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
68 -9.32, -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
69 9.32, 8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
70 };
71
72 static void
TEST(void)73 TEST (void)
74 {
75 int i;
76 int fail = 0;
77
78 for (i = 0; i < 80; i += 8)
79 {
80 p1[0] = vals[i+0];
81 p1[1] = vals[i+1];
82 p1[2] = vals[i+2];
83 p1[3] = vals[i+3];
84
85 p2[0] = vals[i+4];
86 p2[1] = vals[i+5];
87 p2[2] = vals[i+6];
88 p2[3] = vals[i+7];
89
90 ck[0] = p1[0] - p1[1];
91 ck[1] = p1[2] - p1[3];
92 ck[2] = p2[0] - p2[1];
93 ck[3] = p2[2] - p2[3];
94
95 sse3_test_hsubps (p1, p2, p3);
96
97 fail += chk_ps (ck, p3);
98
99 sse3_test_hsubps_subsume (p1, p2, p3);
100
101 fail += chk_ps (ck, p3);
102 }
103
104 if (fail != 0)
105 abort ();
106 }
107