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_hsubpd(double * i1,double * i2,double * r)17 sse3_test_hsubpd (double *i1, double *i2, double *r)
18 {
19 __m128d t1 = _mm_loadu_pd (i1);
20 __m128d t2 = _mm_loadu_pd (i2);
21
22 t1 = _mm_hsub_pd (t1, t2);
23
24 _mm_storeu_pd (r, t1);
25 }
26
27 static void
sse3_test_hsubpd_subsume(double * i1,double * i2,double * r)28 sse3_test_hsubpd_subsume (double *i1, double *i2, double *r)
29 {
30 __m128d t1 = _mm_load_pd (i1);
31 __m128d t2 = _mm_load_pd (i2);
32
33 t1 = _mm_hsub_pd (t1, t2);
34
35 _mm_storeu_pd (r, t1);
36 }
37
38 static int
chk_pd(double * v1,double * v2)39 chk_pd (double *v1, double *v2)
40 {
41 int i;
42 int n_fails = 0;
43
44 for (i = 0; i < 2; i++)
45 if (v1[i] != v2[i])
46 n_fails += 1;
47
48 return n_fails;
49 }
50
51 static double p1[2] __attribute__ ((aligned(16)));
52 static double p2[2] __attribute__ ((aligned(16)));
53 static double p3[2];
54 static double ck[2];
55
56 static double vals[80] =
57 {
58 100.0, 200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
59 1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
60 32.6, 123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
61 12.16, 52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
62 541.3, 321.4, 231.4, 531.4, 71., 321., 231., -531.,
63 23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
64 23.45, -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
65 1.234, 2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
66 -9.32, -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
67 9.32, 8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
68 };
69
70 static void
TEST(void)71 TEST (void)
72 {
73 int i;
74 int fail = 0;
75
76 for (i = 0; i < 80; i += 4)
77 {
78 p1[0] = vals[i+0];
79 p1[1] = vals[i+1];
80
81 p2[0] = vals[i+2];
82 p2[1] = vals[i+3];
83
84 ck[0] = p1[0] - p1[1];
85 ck[1] = p2[0] - p2[1];
86
87 sse3_test_hsubpd (p1, p2, p3);
88
89 fail += chk_pd (ck, p3);
90
91 sse3_test_hsubpd_subsume (p1, p2, p3);
92
93 fail += chk_pd (ck, p3);
94 }
95
96 if (fail != 0)
97 abort ();
98 }
99