Re: [gomp4, WIP] Elementals improvements

2013-11-14 Thread Jakub Jelinek
On Fri, Nov 15, 2013 at 06:26:28AM +1000, Richard Henderson wrote: > On 11/15/2013 06:13 AM, Jakub Jelinek wrote: > > On Fri, Nov 15, 2013 at 05:48:27AM +1000, Richard Henderson wrote: > >> Pointers are certainly a decent fallback that would always be compatible, > >> but I wonder if we need go tha

Re: [gomp4, WIP] Elementals improvements

2013-11-14 Thread Richard Henderson
On 11/15/2013 06:13 AM, Jakub Jelinek wrote: > On Fri, Nov 15, 2013 at 05:48:27AM +1000, Richard Henderson wrote: >> Pointers are certainly a decent fallback that would always be compatible, >> but I wonder if we need go that far. >> >> Each target will have a (set of) natural simdlen to which it v

Re: [gomp4, WIP] Elementals improvements

2013-11-14 Thread Jakub Jelinek
On Fri, Nov 15, 2013 at 05:48:27AM +1000, Richard Henderson wrote: > Pointers are certainly a decent fallback that would always be compatible, > but I wonder if we need go that far. > > Each target will have a (set of) natural simdlen to which it vectorizes. This > is the set returned by autovect

Re: [gomp4, WIP] Elementals improvements

2013-11-14 Thread Richard Henderson
On 11/14/2013 02:30 AM, Jakub Jelinek wrote: > As discussed earlier, if we strictly follow the Intel ABI for simds, > we run into various issues. The clones then have to use __regcall calling > convention which e.g. mandates that on x86_64 up to 16 vector arguments > are passed in xmm/ymm register