On Wed, Oct 5, 2011 at 6:19 PM, Michael Matz <m...@suse.de> wrote: >> Looking at this topic again, I'd propose that x86 adopts approach from >> rs6000. The rs6000 approach is more extensible, and offers the same >> flexibility, due to "!". >> >> So, x86 could have "-mrecip=<opt>", with all, default, none, div, >> vec-div, divf, vec-divf, rsqrt, etc ... combinations, > > Like so. Currently regstrapping on x86_64-linux. Okay if that succeeds?
OK, with a nit - I'd introduce RECIP_MASK_NONE and use it in place of 0 in a couple of places. Thanks, Uros.