| /* PR target/50038 */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| void | |
| test (int len, unsigned char *in, unsigned char *out) | |
| { | |
| int i; | |
| unsigned char xr, xg; | |
| unsigned char xy=0; | |
| for (i = 0; i < len; i++) | |
| { | |
| xr = *in++; | |
| xg = *in++; | |
| xy = (unsigned char) ((19595 * xr + 38470 * xg) >> 16); | |
| *out++ = xy; | |
| } | |
| } | |
| /* { dg-final { scan-assembler-times "movzbl" 2 } } */ |