| /* { dg-do run { target sse2_runtime } } */ |
| /* { dg-options "-O2 -msse2 -ftree-vectorize -fdump-tree-vect-details -save-temps" } */ |
| |
| extern void abort (); |
| |
| #define N 1024 |
| float a[N] = {0.0f, -0.0f, 1.0f, -1.0f, |
| -2.0f, 3.0f, -5.0f, -8.0f, |
| 13.0f, 21.0f, -25.0f, 33.0f}; |
| int r[N]; |
| |
| int |
| main (void) |
| { |
| int i; |
| |
| for (i = 0; i < N; i++) |
| r[i] = __builtin_signbitf (a[i]); |
| |
| /* check results: */ |
| for (i = 0; i < N; i++) |
| if (__builtin_signbitf (a[i]) && !r[i]) |
| abort (); |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ |
| /* { dg-final { scan-assembler-not "\\$-2147483648" } } */ |
| /* { dg-final { scan-assembler "psrld" } } */ |
