From owner-dev-commits-src-branches@freebsd.org Thu Sep 2 21:53:44 2021 Return-Path: Delivered-To: dev-commits-src-branches@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 B4AB5668691; Thu, 2 Sep 2021 21:53:44 +0000 (UTC) (envelope-from git@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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4H0vnh1RWxz4SHq; Thu, 2 Sep 2021 21:53:44 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 96E9520A95; Thu, 2 Sep 2021 21:53:43 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 182Lrh9V050719; Thu, 2 Sep 2021 21:53:43 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 182Lrh8M050718; Thu, 2 Sep 2021 21:53:43 GMT (envelope-from git) Date: Thu, 2 Sep 2021 21:53:43 GMT Message-Id: <202109022153.182Lrh8M050718@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Dimitry Andric Subject: git: 87addf66101d - stable/13 - Remove -simplifycfg-dup-ret from CLANG_OPT_SMALL flags for clang 13 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dim X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 87addf66101ddee9eb2289b58ec2f8f21aa78bdd Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Sep 2021 21:53:44 -0000 The branch stable/13 has been updated by dim: URL: https://cgit.FreeBSD.org/src/commit/?id=87addf66101ddee9eb2289b58ec2f8f21aa78bdd commit 87addf66101ddee9eb2289b58ec2f8f21aa78bdd Author: Dimitry Andric AuthorDate: 2021-08-29 13:39:16 +0000 Commit: Dimitry Andric CommitDate: 2021-09-02 21:53:18 +0000 Remove -simplifycfg-dup-ret from CLANG_OPT_SMALL flags for clang 13 After llvm/clang 13.0.0, the -simplifycfg-dup-ret backend flag is no longer supported. This was part of CLANG_OPT_SMALL, which is only still used for stand/i386/boot2 and stand/i386/isoboot, to achieve the very small binary size required. Luckily clang 13.0.0 does not need any additional flags for this (I get 240 bytes available when building boot2). (cherry picked from commit 22b8ab15c41a9efac201691b40e961b83698aa9c) --- share/mk/bsd.sys.mk | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk index 031d49bbaca2..2d3bec26e50d 100644 --- a/share/mk/bsd.sys.mk +++ b/share/mk/bsd.sys.mk @@ -228,8 +228,10 @@ CFLAGS+=-nobuiltininc -idirafter ${COMPILER_RESOURCE_DIR}/include .endif .endif -CLANG_OPT_SMALL= -mstack-alignment=8 -mllvm -inline-threshold=3\ - -mllvm -simplifycfg-dup-ret +CLANG_OPT_SMALL= -mstack-alignment=8 -mllvm -inline-threshold=3 +.if ${COMPILER_VERSION} < 130000 +CLANG_OPT_SMALL+= -mllvm -simplifycfg-dup-ret +.endif CLANG_OPT_SMALL+= -mllvm -enable-load-pre=false CFLAGS.clang+= -Qunused-arguments # The libc++ headers use c++11 extensions. These are normally silenced because