On 2/12/19, H.J. Lu <hjl.to...@gmail.com> wrote: >> This way, it is clear that we enable alternative 0 only for native >> mmx. It looks to me that we need to add similar treatment to a couple >> of other patterns in sse.md, where we allow "y" constraint, e.g. >> *vec_concatv2sf_sse, *vec_concatv2si_sse4_1, etc. >> > > I will take a look.
>From a quick look to mentioned pattern, I have see that a couple of movd with XMM reg are wrongly marked as sse2 isa. movd/movq with MMX regs are base MMX instructions. Uros.