Thank you Uros, Richard! I will confirm the test results in couple off days.
Regards Ganesh -----Original Message----- From: Uros Bizjak [mailto:ubiz...@gmail.com] Sent: Saturday, August 11, 2012 3:54 AM To: Richard Henderson Cc: Gopalasubramanian, Ganesh; gcc-patches@gcc.gnu.org Subject: Re: [PATCH,i386] fma,fma4 and xop flags On Fri, Aug 10, 2012 at 10:02 PM, Richard Henderson <r...@redhat.com> wrote: > On 2012-08-10 12:59, Uros Bizjak wrote: >> Actually, this is the problem you are trying to solve. The fma4 >> patterns are defined before fma3, so gcc prefers these. > > The Real Problem is that they should not be separate patterns. > They should be a single pattern that selects alternatives via the > enabled isa. 2012-08-11 Uros Bizjak <ubiz...@gmail.com> * config/i386/i386.md (isa): Add fma and fma4. (enabled): Handle fma and fma4. * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>. (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>. (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>. (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>. (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>. (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>. Tested on x86_64-pc-linux-gnu {,-m32}, committed to mainline SVN. I will wait a couple of days before backporting patches to 4.7, so please Ganesh, test mainline if everything is OK. BTW: With this patch, we can enable PTA_FMA4 for bdver2 target. Uros.
