From patchwork Tue Sep 15 17:53:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uros Bizjak X-Patchwork-Id: 518057 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]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 04EA814018C for ; Wed, 16 Sep 2015 03:53:34 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b=oH6Zlw65; dkim-atps=neutral DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :mime-version:date:message-id:subject:from:to:content-type; q= dns; s=default; b=M5ThFzSaNGGqCUIxg6ZMAVVRGBHPlTZlEiShs6EWEsn2/w S6+6H7olQv77Auesyn+9vbbehDeVkhf4JuIlknEm8vwqePD+NLbdHU7fPJfP7v7R IVhGf0AnwEuR6Xu9pTb3utm7K8+OUMcnG7PNgAcrDfH+71wqTYZ5UvdKjiX/s= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :mime-version:date:message-id:subject:from:to:content-type; s= default; bh=xUxm9bJW+HAtZgSh/x3PrJMMOPM=; b=oH6Zlw65abDiaoJp9yk3 WcZvGiqOtA6Si7pOZUbZf/lVVHG5UWC4aLkThVCtcBOxBPKuqdhscFGsrdBKrsX0 6CabX+T5V7qNNEf1NYI14Ro0wR3jcQc5HZBP+Y8cpaiuvKFzQVmQSn8Y+lE7CtrP 3WmPG7nTi3G1GrvFKOiPPFw= Received: (qmail 114781 invoked by alias); 15 Sep 2015 17:53:27 -0000 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 Received: (qmail 114761 invoked by uid 89); 15 Sep 2015 17:53:27 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.5 required=5.0 tests=AWL, BAYES_05, FREEMAIL_FROM, RCVD_IN_DNSWL_LOW, SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-vk0-f50.google.com Received: from mail-vk0-f50.google.com (HELO mail-vk0-f50.google.com) (209.85.213.50) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 15 Sep 2015 17:53:26 +0000 Received: by vkao3 with SMTP id o3so72912679vka.2 for ; Tue, 15 Sep 2015 10:53:23 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.31.159.75 with SMTP id i72mr23523377vke.21.1442339603753; Tue, 15 Sep 2015 10:53:23 -0700 (PDT) Received: by 10.103.40.68 with HTTP; Tue, 15 Sep 2015 10:53:23 -0700 (PDT) Date: Tue, 15 Sep 2015 19:53:23 +0200 Message-ID: Subject: [PATCH, alpha]: Fix alpha bootstrap failure due to -Werror=shift-negative-value From: Uros Bizjak To: "gcc-patches@gcc.gnu.org" 2015-09-15 Uros Bizjak * config/alpha/alpha.c (alpha_expand_block_clear): Use HOST_WIDE_INT_M1U instead of ~(HOST_WIDE_INT)0 when shifting. Bootstrapped and regression tested on alpha-linux-gnu. Committed to mainline SVN. Uros. Index: config/alpha/alpha.c =================================================================== --- config/alpha/alpha.c (revision 227777) +++ config/alpha/alpha.c (working copy) @@ -4057,10 +4057,10 @@ alpha_expand_block_clear (rtx operands[]) mem = adjust_address (orig_dst, mode, ofs - inv_alignofs); set_mem_alias_set (mem, 0); - mask = ~(~(HOST_WIDE_INT)0 << (inv_alignofs * 8)); + mask = ~(HOST_WIDE_INT_M1U << (inv_alignofs * 8)); if (bytes < alignofs) { - mask |= ~(HOST_WIDE_INT)0 << ((inv_alignofs + bytes) * 8); + mask |= HOST_WIDE_INT_M1U << ((inv_alignofs + bytes) * 8); ofs += bytes; bytes = 0; } @@ -4206,7 +4206,7 @@ alpha_expand_block_clear (rtx operands[]) mem = adjust_address (orig_dst, DImode, ofs); set_mem_alias_set (mem, 0); - mask = ~(HOST_WIDE_INT)0 << (bytes * 8); + mask = HOST_WIDE_INT_M1U << (bytes * 8); tmp = expand_binop (DImode, and_optab, mem, GEN_INT (mask), NULL_RTX, 1, OPTAB_WIDEN); @@ -4222,7 +4222,7 @@ alpha_expand_block_clear (rtx operands[]) mem = adjust_address (orig_dst, SImode, ofs); set_mem_alias_set (mem, 0); - mask = ~(HOST_WIDE_INT)0 << (bytes * 8); + mask = HOST_WIDE_INT_M1U << (bytes * 8); tmp = expand_binop (SImode, and_optab, mem, GEN_INT (mask), NULL_RTX, 1, OPTAB_WIDEN);