On Thu, Feb 6, 2020 at 9:34 AM Jakub Jelinek wrote:
>
> Hi!
>
> The following testcase shows that for _mm256_set*_m128i and similar
> intrinsics, we sometimes generate bad code. All 4 routines are expressing
> the same thing, a 128-bit vector zero padded to 256-bit vector, but only the
> 3rd one
Hi!
The following testcase shows that for _mm256_set*_m128i and similar
intrinsics, we sometimes generate bad code. All 4 routines are expressing
the same thing, a 128-bit vector zero padded to 256-bit vector, but only the
3rd one actually emits the desired vmovdqa %xmm0, %xmm0 insn, the
oth
