| /* { dg-do compile } */ | |
| /* { dg-additional-options "-Ofast -funroll-loops" } */ | |
| typedef unsigned char uchar; | |
| typedef struct rgb_ {uchar r; uchar g; uchar b;} rgb; | |
| #define N 512 | |
| rgb in[N], out[N]; | |
| float c[N]; | |
| void foo(int n) | |
| { | |
| int i, j; | |
| for (i = 0; i < n; i++) //in and out are RGB byte arrays | |
| { | |
| float r = 0, g = 0, b = 0; | |
| for (j = 0; j < 5; j++) | |
| { | |
| r += (float)in[i + j].r * c[j]; | |
| g += (float)in[i + j].g * c[j]; | |
| b += (float)in[i + j].b * c[j]; | |
| } | |
| out[i].r = (uchar)r; | |
| out[i].g = (uchar)g; | |
| out[i].b = (uchar)b; | |
| } | |
| } | |
| /* { dg-final { scan-tree-dump "vectorized 1 loops in function" "vect" { target { vect_float && vect_intfloat_cvt } } } } */ |