From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DA5D23856DDF; Thu, 10 Aug 2023 06:06:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DA5D23856DDF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1691647592; bh=Srfl9JrV5tiHYCbpMxIuGtV9iDQtUEBDd0XrZJrVCJg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=wUfwx01100Dc4k8SA8jLOuKxXrPiwm5cTxvMH8xKZ68sli7C7ArZgsuG+aMnR8qH9 359vSBrjrJEHRS83zNGhSSZMlIV/goXNY3syFTAA1Efs7yFoctqnIFQU/htZNhPrYv 8ok32Gp44wnJNpPz9dwx2MK7QrdJTmLOfCIfcZVE= From: "cvs-commit at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/110832] [14 Regression] 14% capacita -O2 regression between g:9fdbd7d6fa5e0a76 (2023-07-26 01:45) and g:ca912a39cccdd990 (2023-07-27 03:44) on zen3 and core Date: Thu, 10 Aug 2023 06:06:31 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: cvs-commit at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110832 --- Comment #12 from CVS Commits --- The master branch has been updated by hongtao Liu : https://gcc.gnu.org/g:0c563a935c47e507ad97e15860ac017c14877b31 commit r14-3118-g0c563a935c47e507ad97e15860ac017c14877b31 Author: liuhongt Date: Wed Aug 9 14:25:53 2023 +0800 i386: Do not sanitize upper part of V2HFmode and V4HFmode reg with -fno-trapping-math [PR110832] Also add ix86_partial_vec_fp_math to to condition of V2HF/V4HF named patterns in order to avoid generation of partial vector V8HFmode trapping instructions. gcc/ChangeLog: PR target/110832 * config/i386/mmx.md: (movq__to_sse): Also do not sanitize upper part of V4HFmode register with -fno-trapping-math. (v4hf3): Enable for ix86_partial_vec_fp_math. (v2hf3): Ditto. (divv2hf3): Ditto. (movd_v2hf_to_sse): Do not sanitize upper part of V2HFmode register with -fno-trapping-math.=