Re: [PATCH] x86: Use x constraint on SSSE3 patterns with MMX operands

On Sat, Mar 26, 2022 at 1:27 AM H.J. Lu via Gcc-patches wrote: > > Since PHADDW/PHADDD/PHADDSW/PHSUBW/PHSUBD/PHSUBSW/PSIGNB/PSIGNW/PSIGND > have no AVX512 version, replace the "Yv" register constraint with the > "x" register constraint. LGTM, please backport to GCC10/GCC11 branch. > > PR t

[PATCH] x86: Use x constraint on SSSE3 patterns with MMX operands

Since PHADDW/PHADDD/PHADDSW/PHSUBW/PHSUBD/PHSUBSW/PSIGNB/PSIGNW/PSIGND have no AVX512 version, replace the "Yv" register constraint with the "x" register constraint. PR target/105052 * config/i386/sse.md (ssse3_phwv4hi3): Replace "Yv" with "x". (ssse3_phdv2si3): Lik