Yarr. -eric
On Thu, Sep 18, 2014 at 1:27 PM, Akira Hatanaka <[email protected]> wrote: > I didn’t know ‘x’ can also mean 256-bit ‘ymm’ registers. Is this legal only > if the target supports avx? > > Thanks. > > On Sep 18, 2014, at 1:20 PM, Eric Christopher <[email protected]> wrote: > >> You could probably create a 512-byte data structure to get it to fail >> as well. (Though the explicit no-error is nice too, thanks) >> >> -eric >> >> On Thu, Sep 18, 2014 at 1:04 PM, Hans Wennborg <[email protected]> wrote: >>> On Thu, Sep 18, 2014 at 11:34 AM, Eric Christopher <[email protected]> >>> wrote: >>>>> >>>> >>>> >>>>> + case 'x': >>>>> + case 'f': >>>>> + case 't': >>>>> + case 'u': >>>>> + return Size <= 128; >>>> >>>> >>>> Hans pointed out that you'll have problems here with _m256 and wanting an >>>> avx register. There is, afaict, no separate constraint for "gimme an avx >>>> register" that's different from SSE registers. There is the 'v' constraint >>>> which works for avx 512 (evex encoded) registers. >>> >>> How about the attached patch? >>> >>> - Hans > _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
