Re: [PATCH, i386, AVX-512] Emit vpbroadcastq instead if non-existent vbroadcastsd.

2016-03-18 Thread Richard Biener
On Fri, 18 Mar 2016, Kirill Yukhin wrote: > Hello, > Intel spec [1] states that there're almost all broadcasting > intructions variants available, except for (p. 2-4) > vbroadcastsd %xmm, %xmm > It is safe to emit > vpbroadcastq %xmm, %xmm > instead. > > I was uable to extract a testc

Re: [PATCH, i386, AVX-512] Emit vpbroadcastq instead if non-existent vbroadcastsd.

2016-03-18 Thread Uros Bizjak
On Fri, Mar 18, 2016 at 10:44 AM, Kirill Yukhin wrote: > Hello, > Intel spec [1] states that there're almost all broadcasting > intructions variants available, except for (p. 2-4) > vbroadcastsd %xmm, %xmm > It is safe to emit > vpbroadcastq %xmm, %xmm > instead. > > I was uable to