From patchwork Sun Jun 27 08:23:35 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Botcazou X-Patchwork-Id: 57084 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) by ozlabs.org (Postfix) with SMTP id AE599B6EFF for ; Sun, 27 Jun 2010 18:28:04 +1000 (EST) Received: (qmail 32471 invoked by alias); 27 Jun 2010 08:28:02 -0000 Received: (qmail 32459 invoked by uid 22791); 27 Jun 2010 08:28:01 -0000 X-SWARE-Spam-Status: No, hits=-2.1 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from mel.act-europe.fr (HELO mel.act-europe.fr) (212.99.106.210) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 27 Jun 2010 08:27:57 +0000 Received: from localhost (localhost [127.0.0.1]) by filtered-smtp.eu.adacore.com (Postfix) with ESMTP id 41DFECB0221 for ; Sun, 27 Jun 2010 10:28:07 +0200 (CEST) Received: from mel.act-europe.fr ([127.0.0.1]) by localhost (smtp.eu.adacore.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BcdcAcMI8iwC for ; Sun, 27 Jun 2010 10:28:07 +0200 (CEST) Received: from [192.168.1.2] (bon31-9-83-155-120-49.fbx.proxad.net [83.155.120.49]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mel.act-europe.fr (Postfix) with ESMTP id 1E9B1CB01F2 for ; Sun, 27 Jun 2010 10:28:07 +0200 (CEST) From: Eric Botcazou To: gcc-patches@gcc.gnu.org Subject: [4.5] Backport fix for PR rtl-optimization/43332 Date: Sun, 27 Jun 2010 10:23:35 +0200 User-Agent: KMail/1.9.9 MIME-Version: 1.0 Message-Id: <201006271023.35243.ebotcazou@adacore.com> Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Tested on i586-suse-linux, applied on the branch. 2010-06-27 Eric Botcazou Backport from mainline 2010-05-18 Vladimir Makarov PR rtl-optimization/43332 * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier. Index: haifa-sched.c =================================================================== --- haifa-sched.c (revision 159544) +++ haifa-sched.c (revision 159545) @@ -1586,7 +1586,8 @@ setup_insn_max_reg_pressure (rtx after, max_reg_pressure[ira_reg_class_cover[i]] = curr_reg_pressure[ira_reg_class_cover[i]]; for (insn = NEXT_INSN (after); - insn != NULL_RTX && BLOCK_FOR_INSN (insn) == BLOCK_FOR_INSN (after); + insn != NULL_RTX && ! BARRIER_P (insn) + && BLOCK_FOR_INSN (insn) == BLOCK_FOR_INSN (after); insn = NEXT_INSN (insn)) if (NONDEBUG_INSN_P (insn)) {