| /* PR rtl-optimization/55342 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -mno-avx512dq" } */ |
| /* { dg-final { scan-assembler-not "notb" } } */ |
| |
| |
| void convert_image(unsigned char *in, unsigned char *out, int size) { |
| int i; |
| unsigned char * read = in, |
| * write = out; |
| for(i = 0; i < size; i++) { |
| unsigned char r = *read++; |
| unsigned char g = *read++; |
| unsigned char b = *read++; |
| unsigned char c, m, y, k, tmp; |
| c = 255 - r; |
| m = 255 - g; |
| y = 255 - b; |
| if (c < m) |
| k = ((c) > (y)?(y):(c)); |
| else |
| k = ((m) > (y)?(y):(m)); |
| *write++ = c - k; |
| *write++ = m - k; |
| *write++ = y - k; |
| *write++ = k; |
| } |
| } |
