On Mon, Mar 17, 2014 at 10:37 AM, Kirill Yukhin <kirill.yuk...@gmail.com> wrote:
> On 17 Mar 10:16, H.J. Lu wrote:
>> BTW, in glibc, there are
>>
>> asm volatile ("vmovdqa64 %0, %%zmm0" : : "x" (zmm) : "xmm0" );
> Maybe. But I belive that this is much more clear to have instead:
> asm volatile ("vmovdqa64 %0, %%zmm0" : : "x" (zmm) : "zmm0" );
>
My issue is this is a user-visible change. Code using ymm which
works with GCC 4.9 won't work with the installed GCC 4.6/4.7/4.8.
This change introduces GCC portability issues without significant
benefit.
--
H.J.
