From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26850 invoked by alias); 29 Jul 2013 07:41:05 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 26825 invoked by uid 89); 29 Jul 2013 07:41:05 -0000 X-Spam-SWARE-Status: No, score=-0.0 required=5.0 tests=AWL,BAYES_50,KHOP_THREADED,RCVD_VIA_APNIC,RDNS_NONE,SPF_SOFTFAIL autolearn=no version=3.3.1 Received: from Unknown (HELO ozlabs.org) (203.10.76.45) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Mon, 29 Jul 2013 07:41:05 +0000 Received: from kryten (ppp121-44-48-234.lns20.syd6.internode.on.net [121.44.48.234]) (using SSLv3 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPSA id A67782C00E8; Mon, 29 Jul 2013 17:40:56 +1000 (EST) Date: Mon, 29 Jul 2013 07:41:00 -0000 From: Anton Blanchard To: gdb-patches@sourceware.org, brobecker@adacore.com, emachado@linux.vnet.ibm.com, luis_gustavo@mentor.com Subject: [PATCH 3/3] Add multiple branches to single step through atomic sequence testcase Message-ID: <20130729174042.15246769@kryten> In-Reply-To: <20130729173838.36f370a6@kryten> References: <20130729173838.36f370a6@kryten> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SW-Source: 2013-07/txt/msg00683.txt.bz2 Test 3 conditional branches in an atomic sequence, 2 to the same destination. Anton -- 2013-07-29 Anton Blanchard * gdb.arch/ppc64-atomic-inst.s: Add second and third branch inside atomic sequence. Index: b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s =================================================================== --- a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s +++ b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s @@ -10,17 +10,29 @@ gdbasm_declare main 1: lwarx 5,0,4 cmpwi 5,0 bne 2f + cmpwi 5,1 + beq 3f + cmpwi 5,2 + beq 3f /* branch to same destination */ addi 5,5,1 stwcx. 5,0,4 bne 1b - std 0,0(4) -2: ldarx 5,0,4 +2: nop + +3: std 0,0(4) +1: ldarx 5,0,4 cmpdi 5,0 - bne 3f + bne 2f + cmpdi 5,1 + beq 3f + cmpwi 5,2 + beq 3f /* branch to same destination */ addi 5,5,1 stdcx. 5,0,4 bne 1b +2: nop + 3: li 3,0 blr