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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/97770] [ICELAKE]suboptimal vectorization for vpopcntw/b/q Date: Tue, 22 Jun 2021 02:40:36 +0000 [thread overview] Message-ID: <bug-97770-4-MC38VmkKmT@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-97770-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97770 --- Comment #21 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>: https://gcc.gnu.org/g:e08a125b208e717f99caa991052537305ca75b6a commit r12-1707-ge08a125b208e717f99caa991052537305ca75b6a Author: liuhongt <hongtao.liu@intel.com> Date: Wed Jun 16 17:34:43 2021 +0800 Add vect_recog_popcount_pattern to handle mismatch between the vectorized popcount IFN and scalar popcount builtin. The patch remove those pro- and demotions when backend support direct optab. For i386: it enables vectorization for vpopcntb/vpopcntw and optimized for vpopcntq. gcc/ChangeLog: PR tree-optimization/97770 * tree-vect-patterns.c (vect_recog_popcount_pattern): New. (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern. gcc/testsuite/ChangeLog: PR tree-optimization/97770 * gcc.target/i386/avx512bitalg-pr97770-1.c: Remove xfail. * gcc.target/i386/avx512vpopcntdq-pr97770-1.c: Remove xfail.
next prev parent reply other threads:[~2021-06-22 2:40 UTC|newest] Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-10 2:12 [Bug target/97770] New: Missing vectorization for vpopcnt crazylht at gmail dot com 2020-11-10 2:14 ` [Bug target/97770] " crazylht at gmail dot com 2020-11-10 3:04 ` [Bug target/97770] [ICELAKE]Missing " crazylht at gmail dot com 2020-11-10 3:21 ` crazylht at gmail dot com 2020-11-10 8:12 ` rguenth at gcc dot gnu.org 2020-11-10 8:37 ` crazylht at gmail dot com 2020-11-10 8:55 ` rguenth at gcc dot gnu.org 2020-11-10 9:07 ` tkoenig at gcc dot gnu.org 2020-11-10 10:14 ` ubizjak at gmail dot com 2020-11-12 5:18 ` crazylht at gmail dot com 2020-11-12 7:33 ` rguenth at gcc dot gnu.org 2020-11-12 8:47 ` crazylht at gmail dot com 2020-12-03 2:03 ` cvs-commit at gcc dot gnu.org 2020-12-03 2:04 ` crazylht at gmail dot com 2020-12-03 11:24 ` [Bug tree-optimization/97770] " rguenth at gcc dot gnu.org 2021-06-04 7:41 ` crazylht at gmail dot com 2021-06-07 11:33 ` rguenth at gcc dot gnu.org 2021-06-10 3:29 ` crazylht at gmail dot com 2021-06-10 6:48 ` [Bug tree-optimization/97770] [ICELAKE]suboptimal vectorization for vpopcntw/b/q rguenther at suse dot de 2021-06-10 18:32 ` hjl.tools at gmail dot com 2021-06-11 7:25 ` rguenth at gcc dot gnu.org 2021-06-22 2:40 ` cvs-commit at gcc dot gnu.org [this message] 2021-06-22 2:46 ` crazylht at gmail dot com
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