| /* PR target/82460 */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -ftree-vectorize -mavx512vbmi -mprefer-vector-width=none" } */ | |
| /* We want to reuse the permutation mask in the loop, so use vpermt2b rather | |
| than vpermi2b. */ | |
| /* { dg-final { scan-assembler-not {\mvpermi2b\M} } } */ | |
| /* { dg-final { scan-assembler {\mvpermt2b\M} } } */ | |
| void | |
| foo (unsigned char *__restrict__ x, const unsigned short *__restrict__ y, | |
| unsigned long z) | |
| { | |
| unsigned char *w = x + z; | |
| do | |
| *x++ = *y++ >> 8; | |
| while (x < w); | |
| } |