1 /* { dg-do compile } */ 2 /* { dg-options "-O3 -ftree-vectorize" } */ 3 4 int col[8]; extend_options(int w,int h,int * map,int x,int y,int index)5int extend_options(int w, int h, int *map, int x, int y, int index) 6 { 7 int dx, dy; 8 for (dx = -1; dx <= +1; dx++) 9 { 10 int index = (dy < 0 ? 6-dx : dy > 0 ? 2+dx : 2*(1+dx)); 11 if (x+dx >= 0 && x+dx < w && y+dy >= 0 && y+dy < h) 12 col[index] = map[(y+dy)*w+(x+dx)]; 13 col[index] = -1; 14 } 15 } 16