Oops, spoke too soon. Got you now Ian. Thanks. On Mar 2, 2018 1:37 AM, "Agniva De Sarker" <[email protected]> wrote:
> We can still support all processors. I believe it should be possible to > check for cpuid flags and conditionally emit these instructions. > > On Mar 2, 2018 12:23 AM, "Ian Lance Taylor" <[email protected]> wrote: > >> On Thu, Mar 1, 2018 at 5:05 AM, Agniva De Sarker >> <[email protected]> wrote: >> > >> > I believe using the non-destructive 3 operand form will help a lot in >> > reducing the size of binaries. And also, it might give us a good base >> to add >> > FMA support and SIMD optimizations later. >> > >> > I have been adding fast paths to some math functions to use AVX >> > instructions, but I was just wondering if there is any plan in the >> pipeline >> > to do this from the compiler itself. >> >> We would have to make a clear decision as to the oldest amd64 >> processor we wanted to support. Right now I believe we support all >> amd64 processors. Are we ready to give up on old ones? >> >> I don't think it's worth adding a GOAMD64 environment variable for >> this. I don't think the gain is worth the complexity. Happy to be >> proven wrong. >> >> Ian >> > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
