1/* { dg-options "-O3 -floop-interchange" } */ 2 3typedef unsigned char uint8_t; 4 5void border_mirror(uint8_t *outer_img, int w, int h, int rb, int border) 6{ 7 uint8_t *img = outer_img + border * rb + border; 8 int x, y; 9 10 for (y = -border; y < 0; y++) { 11 for (x = -border; x < 0; x++) 12 img[y*rb + x] = img[(-y)*rb + (-x)]; 13 14 for (x = 0; x < w; x++) 15 img[y*rb + x] = img[(-y)*rb + x]; 16 } 17} 18 19void border_mirror_480(uint8_t *outer_img) 20{ 21 border_mirror(outer_img, 640, 480, 640 + 16*2, 16); 22} 23