| /* { dg-do run } */ |
| /* { dg-options "-O2 -ftree-vectorize -msse2" } */ |
| /* { dg-require-effective-target sse2 } */ |
| |
| #ifndef CHECK_H |
| #define CHECK_H "sse2-check.h" |
| #endif |
| |
| #ifndef TEST |
| #define TEST sse2_test |
| #endif |
| |
| #include CHECK_H |
| |
| extern double copysign (double, double); |
| |
| #define N 16 |
| |
| double a[N] = {-0.1,-3.2,-6.3,-9.4,-12.5,-15.6,-18.7,-21.8,24.9,27.1,30.2,33.3,36.4,39.5,42.6,45.7}; |
| double b[N] = {-1.2,3.4,-5.6,7.8,-9.0,1.0,-2.0,3.0,-4.0,-5.0,6.0,7.0,-8.0,-9.0,10.0,11.0}; |
| double r[N]; |
| |
| static void |
| TEST (void) |
| { |
| int i; |
| |
| for (i = 0; i < N; i++) |
| r[i] = copysign (a[i], b[i]); |
| |
| /* check results: */ |
| for (i = 0; i < N; i++) |
| if (r[i] != copysign (a[i], b[i])) |
| abort (); |
| } |
| |