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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 target/101796] Miss optimization to optimized (vashl op0, (op1: const_duplicate_vector)) to (ashl op0 op1_inner) Date: Wed, 15 Dec 2021 08:27:10 +0000 [thread overview] Message-ID: <bug-101796-4-PcH0KOy6q9@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-101796-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101796 --- Comment #5 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:8f9fea41a767f6ad8cf3d521031048a2491f98b1 commit r12-5990-g8f9fea41a767f6ad8cf3d521031048a2491f98b1 Author: Haochen Jiang <haochen.jiang@intel.com> Date: Wed Dec 1 16:48:28 2021 +0800 Add combine splitter to transform vashr/vlshr/vashl_optab to ashr/lshr/ashl_optab for const vector duplicate operand. gcc/ChangeLog: PR target/101796 * config/i386/predicates.md (const_vector_operand): Add new predicate. * config/i386/sse.md(<insn><mode>3<mask_name>): Add new define_split below. gcc/testsuite/ChangeLog: PR target/101796 * gcc.target/i386/pr101796-1.c: New test.
next prev parent reply other threads:[~2021-12-15 8:27 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-06 3:22 [Bug target/101796] New: " crazylht at gmail dot com 2021-08-06 3:23 ` [Bug target/101796] " crazylht at gmail dot com 2021-08-06 6:27 ` crazylht at gmail dot com 2021-08-27 7:26 ` pinskia at gcc dot gnu.org 2021-08-27 7:34 ` crazylht at gmail dot com 2021-12-15 8:27 ` cvs-commit at gcc dot gnu.org [this message] 2021-12-15 8:27 ` crazylht at gmail dot com
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