[Bug target/104762] [12 Regression] x86_64 538.imagick_r 8%-28% regressions and 10% 525.x264_r regressions after r12-7319-g90d693bdc9d718
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Mar 11 14:03:21 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104762
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:69619acd8d9b5856f5af6e5323d9c7c4ec9ad08f
commit r12-7612-g69619acd8d9b5856f5af6e5323d9c7c4ec9ad08f
Author: Richard Biener <rguenther@suse.de>
Date: Fri Mar 11 11:51:13 2022 +0100
target/104762 - vectorization costs of CONSTRUCTORs
After accounting for GPR -> XMM move cost for vec_construct the
base cost needs adjustments to not double-cost those. This also
lowers the cost when such move is not necessary.
2022-03-11 Richard Biener <rguenther@suse.de>
PR target/104762
* config/i386/i386.cc (ix86_builtin_vectorization_cost): Do not
cost the first lane of SSE pieces as inserts for vec_construct.
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