https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99321
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 50311 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50311&action=edit gcc11-pr99321.patch One possible way to fix the above testcase (but not the many other insns, like maybe: vdbpsadbw vmovdqu16 vmovdqu8 vpabsb vpabsw vpackssdw vpacksswb vpackusdw vpackuswb vpaddb vpaddsb vpaddsw vpaddusb vpaddusw vpaddw vpalignr vpavgb vpavgw vpblendmb vpblendmw vpbroadcastb vpbroadcastw vpcmpb vpcmpeqb vpcmpeqw vpcmpgtb vpcmpgtw vpcmpub vpcmpuw vpcmpw vpermi2w vpermt2w vpermw vpextrb vpextrw vpinsrb vpinsrw vpmaddubsw vpmaddwd vpmaxsb vpmaxsw vpmaxub vpmaxuw vpminsb vpminsw vpminub vpminuw vpmovb2m vpmovm2b vpmovm2w vpmovswb vpmovsxbw vpmovuswb vpmovw2m vpmovwb vpmovzxbw vpmulhrsw vpmulhuw vpmulhw vpmullw vpsadbw vpshufb vpshufhw vpshuflw vpslldq vpsllvw vpsllw vpsravw vpsraw vpsrldq vpsrlvw vpsrlw vpsubb vpsubsb vpsubsw vpsubusb vpsubusw vpsubw vptestmb vptestmw vptestnmb vptestnmw vpunpckhbw vpunpckhwd vpunpcklbw vpunpcklwd
