| /* PR target/82460 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -ftree-vectorize -mavx512vbmi -mprefer-vector-width=none --param=vect-epilogues-nomask=0" } */ |
| /* 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); |
| } |