From owner-svn-src-all@freebsd.org Fri Apr 5 10:00:41 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 862161570408; Fri, 5 Apr 2019 10:00:41 +0000 (UTC) (envelope-from hselasky@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) server-signature RSA-PSS (4096 bits) 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 4B14B8743B; Fri, 5 Apr 2019 10:00:41 +0000 (UTC) (envelope-from hselasky@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 27067B65B; Fri, 5 Apr 2019 10:00:41 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x35A0fos059855; Fri, 5 Apr 2019 10:00:41 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x35A0fw3059854; Fri, 5 Apr 2019 10:00:41 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201904051000.x35A0fw3059854@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Fri, 5 Apr 2019 10:00:41 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r345906 - stable/11/sys/sparc64/include X-SVN-Group: stable-11 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/11/sys/sparc64/include X-SVN-Commit-Revision: 345906 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4B14B8743B X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.94 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.945,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Apr 2019 10:00:41 -0000 Author: hselasky Date: Fri Apr 5 10:00:40 2019 New Revision: 345906 URL: https://svnweb.freebsd.org/changeset/base/345906 Log: MFC r336832: Implement atomic_swap_{32,64,int,long,ptr}(9). Modified: stable/11/sys/sparc64/include/atomic.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/sparc64/include/atomic.h ============================================================================== --- stable/11/sys/sparc64/include/atomic.h Fri Apr 5 07:45:13 2019 (r345905) +++ stable/11/sys/sparc64/include/atomic.h Fri Apr 5 10:00:40 2019 (r345906) @@ -152,14 +152,15 @@ e; \ }) -#define atomic_st(p, v, sz) do { \ +#define atomic_st(p, v, sz) ({ \ itype(sz) e, r; \ for (e = *(volatile itype(sz) *)(p);; e = r) { \ r = atomic_cas((p), e, (v), sz); \ if (r == e) \ break; \ } \ -} while (0) + e; \ +}) #define atomic_st_acq(p, v, sz) do { \ atomic_st((p), (v), sz); \ @@ -308,6 +309,12 @@ static __inline void \ atomic_store_rel_ ## name(volatile ptype p, vtype v) \ { \ atomic_st_rel((p), (v), sz); \ +} \ + \ +static __inline vtype \ +atomic_swap_ ## name(volatile ptype p, vtype v) \ +{ \ + return ((vtype)atomic_st((p), (v), sz)); \ } static __inline void