From owner-svn-src-head@freebsd.org Wed Sep 9 18:11:04 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C90C33D7B41; Wed, 9 Sep 2020 18:11:04 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bmqp050DTz4ZJR; Wed, 9 Sep 2020 18:11:04 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 8E9662592E; Wed, 9 Sep 2020 18:11:04 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 089IB4Yb056682; Wed, 9 Sep 2020 18:11:04 GMT (envelope-from dim@FreeBSD.org) Received: (from dim@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 089IB4N4056681; Wed, 9 Sep 2020 18:11:04 GMT (envelope-from dim@FreeBSD.org) Message-Id: <202009091811.089IB4N4056681@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: dim set sender to dim@FreeBSD.org using -f From: Dimitry Andric Date: Wed, 9 Sep 2020 18:11:04 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r365507 - head/contrib/llvm-project/llvm/lib/Support X-SVN-Group: head X-SVN-Commit-Author: dim X-SVN-Commit-Paths: head/contrib/llvm-project/llvm/lib/Support X-SVN-Commit-Revision: 365507 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2020 18:11:04 -0000 Author: dim Date: Wed Sep 9 18:11:04 2020 New Revision: 365507 URL: https://svnweb.freebsd.org/changeset/base/365507 Log: Merge commit e6bb4c8e7 from llvm git (by Craig Topper): [X86] SSE4_A should only imply SSE3 not SSSE3 in the frontend. SSE4_1 and SSE4_2 due imply SSSE3. So I guess I got confused when switching the code to being table based in D83273. Fixes PR47464 This should fix builds with -march=amdfam10 emitting SSSE3 instructions such as pshufb, which lead to programs crashing with SIGILL on such processors. Reported by: avg MFC after: 6 weeks X-MFC-With: r364284 Modified: head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp Modified: head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp ============================================================================== --- head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp Wed Sep 9 18:07:13 2020 (r365506) +++ head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp Wed Sep 9 18:11:04 2020 (r365507) @@ -522,7 +522,7 @@ static constexpr FeatureBitset ImpliedFeaturesAVX5124F static constexpr FeatureBitset ImpliedFeaturesAVX5124VNNIW = {}; // SSE4_A->FMA4->XOP chain. -static constexpr FeatureBitset ImpliedFeaturesSSE4_A = FeatureSSSE3; +static constexpr FeatureBitset ImpliedFeaturesSSE4_A = FeatureSSE3; static constexpr FeatureBitset ImpliedFeaturesFMA4 = FeatureAVX | FeatureSSE4_A; static constexpr FeatureBitset ImpliedFeaturesXOP = FeatureFMA4;