https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99908
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>: https://gcc.gnu.org/g:8da3b309d8fb3ddec0b42218ca6762967b402dc3 commit r12-746-g8da3b309d8fb3ddec0b42218ca6762967b402dc3 Author: liuhongt <hongtao....@intel.com> Date: Wed Apr 7 09:58:54 2021 +0800 i386: Optimize vpblendvb on inverted mask register to vpblendvb on swapping the order of operand 1 and operand 2. [PR target/99908] - vpcmpeqd %ymm3, %ymm3, %ymm3 - vpandn %ymm3, %ymm2, %ymm2 - vpblendvb %ymm2, %ymm1, %ymm0, %ymm0 + vpblendvb %ymm2, %ymm0, %ymm1, %ymm0 gcc/ChangeLog: PR target/99908 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add splitters for pblendvb of NOT mask register. gcc/testsuite/ChangeLog: PR target/99908 * gcc.target/i386/avx2-pr99908.c: New test. * gcc.target/i386/sse4_1-pr99908.c: New test.
