From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6904D3858C31; Tue, 24 Jan 2023 17:02:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6904D3858C31 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1674579765; bh=ngrwQbbunaREk9GFpA+Nwjh+RyMnkjtqfW9c4UTESyo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=GAlSHUD4ElOA35T8XG4p7tpL7GcD5NavDyVl0K0oyy8SQdX0DwG/9MmEd65cdSLKq ABSvkjQhL+TXHXPSClqcWKEl0YnyKWWaHzI9nlGor563fsKB/xaUM7Taw5KI19j6SA 7lh8VrR8SQBfbjMyes5kMcsehfzy6CbntmrIyS7w= From: "cvs-commit at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/108177] MVE predicated stores to same address get optimized away Date: Tue, 24 Jan 2023 17:02:43 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cvs-commit at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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=3D108177 --- Comment #4 from CVS Commits --- The master branch has been updated by Andre Simoes Dias Vieira : https://gcc.gnu.org/g:c1093923733a1072a237f112e3239b5ebd88eadd commit r13-5327-gc1093923733a1072a237f112e3239b5ebd88eadd Author: Andre Vieira Date: Tue Jan 24 16:59:23 2023 +0000 arm: Make MVE masked stores read memory operand [PR 108177] This patch adds the memory operand of MVE masked stores as input operan= ds to mimic the 'partial' writes, to prevent erroneous write-after-write optimizations as described in the PR. gcc/ChangeLog: PR target/108177 * config/arm/mve.md (mve_vstrbq_p_, mve_vstrhq_p_fv= 8hf, mve_vstrhq_p_, mve_vstrwq_p_v4si): Add memory operand as input operand. gcc/testsuite/ChangeLog: * gcc.target/arm/mve/pr108177-1-run.c: New test. * gcc.target/arm/mve/pr108177-1.c: New test. * gcc.target/arm/mve/pr108177-10-run.c: New test. * gcc.target/arm/mve/pr108177-10.c: New test. * gcc.target/arm/mve/pr108177-11-run.c: New test. * gcc.target/arm/mve/pr108177-11.c: New test. * gcc.target/arm/mve/pr108177-12-run.c: New test. * gcc.target/arm/mve/pr108177-12.c: New test. * gcc.target/arm/mve/pr108177-13-run.c: New test. * gcc.target/arm/mve/pr108177-13.c: New test. * gcc.target/arm/mve/pr108177-14-run.c: New test. * gcc.target/arm/mve/pr108177-14.c: New test. * gcc.target/arm/mve/pr108177-2-run.c: New test. * gcc.target/arm/mve/pr108177-2.c: New test. * gcc.target/arm/mve/pr108177-3-run.c: New test. * gcc.target/arm/mve/pr108177-3.c: New test. * gcc.target/arm/mve/pr108177-4-run.c: New test. * gcc.target/arm/mve/pr108177-4.c: New test. * gcc.target/arm/mve/pr108177-5-run.c: New test. * gcc.target/arm/mve/pr108177-5.c: New test. * gcc.target/arm/mve/pr108177-6-run.c: New test. * gcc.target/arm/mve/pr108177-6.c: New test. * gcc.target/arm/mve/pr108177-7-run.c: New test. * gcc.target/arm/mve/pr108177-7.c: New test. * gcc.target/arm/mve/pr108177-8-run.c: New test. * gcc.target/arm/mve/pr108177-8.c: New test. * gcc.target/arm/mve/pr108177-9-run.c: New test. * gcc.target/arm/mve/pr108177-9.c: New test. * gcc.target/arm/mve/pr108177-main.x: New test include. * gcc.target/arm/mve/pr108177.x: New test include.=