From patchwork Fri Jan 11 19:29:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Vladimir Makarov X-Patchwork-Id: 1023744 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-493887-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="TaHT27YA"; dkim-atps=neutral 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 43btHB3Hn4z9sBQ for ; Sat, 12 Jan 2019 06:29:57 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:to:cc :from:subject:message-id:date:mime-version:content-type; q=dns; s=default; b=ywtj2xr7VNNRx1TRRQvucD0TT05a6Kba6e8Tq2xOzPMtt/3QhV zMIXIf5am6EUEI99bN6FKPt10oHbqbPyv+Y1lJ74niJP1vTqF6yKSN8Q44WtJOTm TEqtDPwvqP8j+zz1hMF7IuH3Gf7qoZdORZs0zGEI/+wbfFBPn96c1Dr7Q= 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:to:cc :from:subject:message-id:date:mime-version:content-type; s= default; bh=OtU2yYBwxIjcS5ruHbDOFhpoUGU=; b=TaHT27YA6oW2/Vg+WrYm b8g8u51+3eky0Jd+IL7y1h7LyNyCF3F1J8p3GA5ce8pVQwWo7ptbFsFPUTSeSeat vyBSaNbMJ5pcFazNNsmBIByq/WxZGRoGvOmfQeer5UvBcVPxv4VyyNVaYQlT0umV r2vskaAwyHyPnJc/gMagI9c= Received: (qmail 13058 invoked by alias); 11 Jan 2019 19:29:50 -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 13046 invoked by uid 89); 11 Jan 2019 19:29:49 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-10.6 required=5.0 tests=BAYES_00, GIT_PATCH_2, GIT_PATCH_3, KAM_ASCII_DIVIDERS, KAM_NUMSUBJECT, KAM_SHORT, SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=H*UA:52.6.0, H*u:52.6.0 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 11 Jan 2019 19:29:48 +0000 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CAD8A7FD4A; Fri, 11 Jan 2019 19:29:46 +0000 (UTC) Received: from [10.10.120.25] (ovpn-120-25.rdu2.redhat.com [10.10.120.25]) by smtp.corp.redhat.com (Postfix) with ESMTP id A176067160; Fri, 11 Jan 2019 19:29:45 +0000 (UTC) To: "gcc-patches@gcc.gnu.org" Cc: Richard Sandiford From: Vladimir Makarov Subject: one more patch for PR87305 Message-ID: <96054f6b-3e52-4869-44a9-c7245e124496@redhat.com> Date: Fri, 11 Jan 2019 14:29:44 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 X-IsSubscribed: yes This patch adds code for little endian case of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87305   The patch was successfully bootstrapped and tested on x86-64.   Committed as rev. 267854. Index: ChangeLog =================================================================== --- ChangeLog (revision 267853) +++ ChangeLog (working copy) @@ -1,3 +1,10 @@ +2019-01-11 Vladimir Makarov + + PR rtl-optimization/87305 + * lra-assigns.c + (setup_live_pseudos_and_spill_after_risky_transforms): Add code + for little endian pseudos used as paradoxical subreg. + 2019-01-11 Jakub Jelinek PR tree-optimization/88693 Index: lra-assigns.c =================================================================== --- lra-assigns.c (revision 267849) +++ lra-assigns.c (working copy) @@ -1174,10 +1174,14 @@ setup_live_pseudos_and_spill_after_risky - hard_regno_nregs (hard_regno, PSEUDO_REGNO_MODE (i))); enum reg_class rclass = lra_get_allocno_class (i); - if (WORDS_BIG_ENDIAN - && (hard_regno - nregs_diff < 0 - || !TEST_HARD_REG_BIT (reg_class_contents[rclass], - hard_regno - nregs_diff))) + if ((WORDS_BIG_ENDIAN + && (hard_regno - nregs_diff < 0 + || !TEST_HARD_REG_BIT (reg_class_contents[rclass], + hard_regno - nregs_diff))) + || (!WORDS_BIG_ENDIAN + && (hard_regno + nregs_diff >= FIRST_PSEUDO_REGISTER + || !TEST_HARD_REG_BIT (reg_class_contents[rclass], + hard_regno + nregs_diff)))) { /* Hard registers of paradoxical sub-registers are out of range of pseudo register class. Spill the pseudo. */