| /* { dg-do compile } */ | |
| /* { dg-options "-O3 --param tree-reassoc-width=4" } */ | |
| /* { dg-additional-options "-mavx2" { target { x86_64-*-* i?86-*-* } } } */ | |
| #define N 40 | |
| #define M 128 | |
| unsigned int in[N+M]; | |
| unsigned short out[N]; | |
| /* Outer-loop vectorization. */ | |
| void | |
| foo (){ | |
| int i,j; | |
| unsigned int diff; | |
| for (i = 0; i < N; i++) { | |
| diff = 0; | |
| for (j = 0; j < M; j+=8) { | |
| diff += in[j+i]; | |
| } | |
| out[i]=(unsigned short)diff; | |
| } | |
| return; | |
| } |