1 /* { dg-do run { target sse2_runtime } } */
2 /* { dg-options "-O2 -msse2 -mfpmath=sse -ftree-vectorize -fdump-tree-vect-details -save-temps" } */
3
4 extern void abort ();
5
6 #define N 16
7 float a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
8 -12.5f, -15.6f, -18.7f, -21.8f,
9 24.9f, 27.1f, 30.2f, 33.3f,
10 36.4f, 39.5f, 42.6f, 45.7f};
11 float b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
12 -9.0f, 1.0f, -2.0f, 3.0f,
13 -4.0f, -5.0f, 6.0f, 7.0f,
14 -8.0f, -9.0f, 10.0f, 11.0f};
15 float r[N];
16
17 double ad[N] = {-0.1d, -3.2d, -6.3d, -9.4d,
18 -12.5d, -15.6d, -18.7d, -21.8d,
19 24.9d, 27.1d, 30.2d, 33.3d,
20 36.4d, 39.5d, 42.6d, 45.7d};
21 double bd[N] = {-1.2d, 3.4d, -5.6d, 7.8d,
22 -9.0d, 1.0d, -2.0d, 3.0d,
23 -4.0d, -5.0d, 6.0d, 7.0d,
24 -8.0d, -9.0d, 10.0d, 11.0d};
25 double rd[N];
26
27 int
main(void)28 main (void)
29 {
30 int i;
31
32 for (i = 0; i < N; i++)
33 r[i] = a[i] * __builtin_copysignf (1.0f, b[i]);
34
35 /* check results: */
36 for (i = 0; i < N; i++)
37 if (r[i] != a[i] * __builtin_copysignf (1.0f, b[i]))
38 abort ();
39
40 for (i = 0; i < N; i++)
41 rd[i] = ad[i] * __builtin_copysign (1.0d, bd[i]);
42
43 /* check results: */
44 for (i = 0; i < N; i++)
45 if (rd[i] != ad[i] * __builtin_copysign (1.0d, bd[i]))
46 abort ();
47
48 return 0;
49 }
50
51 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
52 /* { dg-final { scan-assembler "\[ \t\]xor" } } */
53 /* { dg-final { scan-assembler "\[ \t\]and" } } */
54 /* { dg-final { scan-assembler-not "copysign" } } */
55 /* { dg-final { scan-assembler-not "\[ \t\]fxam" } } */
56 /* { dg-final { scan-assembler-not "\[ \t\]or" } } */
57 /* { dg-final { scan-assembler-not "\[ \t\]mul" } } */
58