| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -ftree-vectorize -ffast-math -march=knl" } */ | |
| /* { dg-final { scan-assembler-times "vpermpd\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */ | |
| #define N 1024 | |
| double d1[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); | |
| double d2[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); | |
| void foo () | |
| { | |
| int j; | |
| for (j=0; j<N; j++) | |
| d1[j] += d2[N-j]; | |
| } |