From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 76034 invoked by alias); 9 Aug 2016 09:04:55 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 76025 invoked by uid 89); 9 Aug 2016 09:04:54 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.5 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy=H*RU:209.85.220.68, Hx-spam-relays-external:209.85.220.68, UD:rs6000.h, rs6000h X-HELO: mail-pa0-f68.google.com Received: from mail-pa0-f68.google.com (HELO mail-pa0-f68.google.com) (209.85.220.68) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 09 Aug 2016 09:04:52 +0000 Received: by mail-pa0-f68.google.com with SMTP id ez1so631899pab.3 for ; Tue, 09 Aug 2016 02:04:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=TEjqeYshr1Hbw7/n8G3/YySqtQxcJxqySgoqYDTFSUQ=; b=l4S/+9dCtzgYUHStGELZojmwxjz7ujnalc8MF2fuZtIOAIsycbUL1X+Pzk+QGuuMfC rE8UKJ7vQNeWNwRLVuytHLbqFXAnEh71AC8WDcD+3ScRnG7aoun4dBQtL4ITr/yLWGWN IeZ/OLdRhPOJBMwnxcBWS1jmJvTAEIOmOFy7qVM3KQLYko4jXUmPdPEdlSaAoKjrjv03 Ovn9wYuRxsYY32RLu7Nsp52dcpnGR3QkqQiaehNOugVDuewtiaT0QYALakm+rPYdZg5v WS66h5Yp3jsvmM5fb0zuNwdUlfka5gxIPb9hsyaCHCom+bLEGu1YY/aQQVE33z+GMK9J tukA== X-Gm-Message-State: AEkoouuajeUlXuczHDbvSwUD0T6k0KWqhnJTzsMHEHKONOvCY+JEmD6gg/m4gV6Go1V0hA== X-Received: by 10.67.15.8 with SMTP id fk8mr41025461pad.19.1470733490776; Tue, 09 Aug 2016 02:04:50 -0700 (PDT) Received: from bubble.grove.modra.org (CPE-58-160-146-233.sa.bigpond.net.au. [58.160.146.233]) by smtp.gmail.com with ESMTPSA id c64sm54097808pfg.35.2016.08.09.02.04.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Aug 2016 02:04:49 -0700 (PDT) Received: by bubble.grove.modra.org (Postfix, from userid 1000) id 4F22DC17EF; Tue, 9 Aug 2016 18:34:46 +0930 (ACST) Date: Tue, 09 Aug 2016 09:04:00 -0000 From: Alan Modra To: gcc-patches@gcc.gnu.org Cc: Segher Boessenkool , Arseny Solokha Subject: [RS6000] e500 part of pr71680 Message-ID: <20160809090446.GB13182@bubble.grove.modra.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-IsSubscribed: yes X-SW-Source: 2016-08/txt/msg00673.txt.bz2 The fallback part of HARD_REGNO_CALLER_SAVE_MODE, choose_hard_reg_mode, returns DFmode for SImode when TARGET_E500_DOUBLE. This confuses lra when attempting to save ctr around a call. Arseny, the bug reporter, has regression tested this patch. OK to apply? PR target/71680 * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return SImode for TARGET_E500_DOUBLE when given SImode. diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index af77258..353f388 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -1273,6 +1273,8 @@ enum data_align { align_abi, align_opt, align_both }; && ((MODE) == VOIDmode || ALTIVEC_OR_VSX_VECTOR_MODE (MODE)) \ && FP_REGNO_P (REGNO) \ ? V2DFmode \ + : TARGET_E500_DOUBLE && (MODE) == SImode \ + ? SImode \ : TARGET_E500_DOUBLE && ((MODE) == VOIDmode || (MODE) == DFmode) \ ? DFmode \ : !TARGET_E500_DOUBLE && FLOAT128_IBM_P (MODE) && FP_REGNO_P (REGNO) \ -- Alan Modra Australia Development Lab, IBM