/* PR target/50038 */ | |
/* { dg-options "-O2 -fno-tree-loop-vectorize" } */ | |
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 } } */ |