From patchwork Mon Oct 23 17:37:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Sandiford X-Patchwork-Id: 116838 Delivered-To: patch@linaro.org Received: by 10.140.22.164 with SMTP id 33csp4900880qgn; Mon, 23 Oct 2017 10:37:47 -0700 (PDT) X-Received: by 10.99.123.71 with SMTP id k7mr12280408pgn.312.1508780267004; Mon, 23 Oct 2017 10:37:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1508780266; cv=none; d=google.com; s=arc-20160816; b=PTjhUdbTNKxiCGrfGQ9SHVwxd7IEnf338+btm/S7bgRUGo1Swbta8rRv6nRW0lshRi toDB+sJde6epV3NqNo/V8Dap43yl3t2wFfjo+NLP2Oo+fQSfqZQU0mkjFfkYuY+9KdvH dXtLvAFPUIsWAdsSQQ8VBoGDj7mGELTVvjm50TJx1m4Q99f+9lBQylLx77iySGHkvEe3 EvJLYsGoZLUlT04XVaD54v4iha6u2gQ071EoatUFWevATeG0O/jf2nisALrD3bQTD31l N82nVlkbYqXYQsF25J5MqCVAPz26n64g96iGpMLRDBJnrCm7uZjY5vEX+yVRYb8u3aPw K75w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:message-id:in-reply-to:date:references :subject:mail-followup-to:to:from:delivered-to:sender:list-help :list-post:list-archive:list-unsubscribe:list-id:precedence :mailing-list:dkim-signature:domainkey-signature :arc-authentication-results; bh=UhjWXzFKHLGHd2c7BJpzOFLbnLL+lnQCcrgiu1YKMKc=; b=XopOT3HzWIVP5eQDGzsZiLt3lviDxtP1vbMPVpizI0mHmVYP/0//o3GKobjeMfwfy6 iI4s9PPxRs8vqKfc/OjrZ5yRmRHZ9jTxpKhGlUxvu9hH95fIf/cEp/+gLpX2O6tSfXSI Ycq2QzmkbtdI3tecSxAkt+RbTxfimWq2dn547ej1FzD8yeObXFPBzpl8zbER7iGt1Cv9 M8vic2VGD+rIhwp1H31v/mTMNJSiorFqrENvYqUD3sqtAs729rLEl5tUeUmZNIL0WHxt URFGEi7vu6nAqL31TvbDXOKr4jB/lpeSEt1uZG4aZFwzhOdSrhflQIKyrKw5siWx6jQD xHMg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=Piw0MxLe; spf=pass (google.com: domain of gcc-patches-return-464869-patch=linaro.org@gcc.gnu.org designates 209.132.180.131 as permitted sender) smtp.mailfrom=gcc-patches-return-464869-patch=linaro.org@gcc.gnu.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from sourceware.org (server1.sourceware.org. [209.132.180.131]) by mx.google.com with ESMTPS id d8si5183495pgt.286.2017.10.23.10.37.46 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 Oct 2017 10:37:46 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-return-464869-patch=linaro.org@gcc.gnu.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=Piw0MxLe; spf=pass (google.com: domain of gcc-patches-return-464869-patch=linaro.org@gcc.gnu.org designates 209.132.180.131 as permitted sender) smtp.mailfrom=gcc-patches-return-464869-patch=linaro.org@gcc.gnu.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=default; b=So4QWrMIF5jveavHL/P6/z2KA5uN/ w+vGyyz/ICgYJq+UoxVgOX8vVLlaqs+C8cVKqqIDhaQfb5tHXv2BjfBEoem1m9Y6 rGa4zC7eM8zWMjhc3x84zgm8RJ7gx8uvHKZfhyyz9E1rn+Yzwcy+UmV6GEoMzFJq guLO/tMxNXHwYI= 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:from :to:subject:references:date:in-reply-to:message-id:mime-version :content-type; s=default; bh=tgaAVXWwS4T453OlpqQRL+2HGNY=; b=Piw 0MxLehDDXtxGzOK1E9KVSYSQ4HFC8Ve/GRD5lgxIg1gyHfGi2jbxwNhLDU8vl3lQ wXFAD8RzOVR3Z9VbY0gyrtx3wN539u+6dw/alY0gk/KrxOAPN/GTo/IzB9ei6aTJ l95JrAGnkF+AzgJfzPKR6elzYsYifjVls3F1C0B8= Received: (qmail 84668 invoked by alias); 23 Oct 2017 17:37:31 -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 84654 invoked by uid 89); 23 Oct 2017 17:37:31 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-11.8 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mail-wm0-f41.google.com Received: from mail-wm0-f41.google.com (HELO mail-wm0-f41.google.com) (74.125.82.41) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 23 Oct 2017 17:37:30 +0000 Received: by mail-wm0-f41.google.com with SMTP id b9so5637628wmh.0 for ; Mon, 23 Oct 2017 10:37:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:mail-followup-to:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=UhjWXzFKHLGHd2c7BJpzOFLbnLL+lnQCcrgiu1YKMKc=; b=GsfEcA/FXM7zU0DFZ1GyGmyiKf79iWzj+XCYR5ij9zYbypYnsd/tr9e9AoWrB3F9SY 4ezDpD72w+AVLdjweugW5xIV/rvCx0ka+lQLcHhHLRmAgkBa4Y4goYqmsuGsdUo7fdHL cxvZwu7F3UVSQXj4VdQ1rjYERJc3YeH2TrzSekX6eImNJsuwY8D9XDUp7hm/bHozyQCD kKgBKpn2HG1TZFOo3jZUgPi5l0weN94BOSMIroeCuRS9DF9NL/NOmXSiGi6b35Kzddt3 pwuAlSTwq1MsmA2mWmKmvEuweo5i7WX6f8M6sH92+yLy/kb695cNN0UclPNjyX85whwQ EVKw== X-Gm-Message-State: AMCzsaXmpXxiTGQapEFw7e5WJ1LeZBrBd2JpcIyyH5i6Um2NPYt3ZFgd J2QQEdlrQfBQth9qjujF40Mq8WxikgQ= X-Google-Smtp-Source: ABhQp+QPLrOlWFopU6SoiJUwHMLC1QgFGYBKobyScVJbQj3318wtNJ2rHs3SMD5WiOIComq2iTiN8Q== X-Received: by 10.28.12.65 with SMTP id 62mr6707570wmm.129.1508780247758; Mon, 23 Oct 2017 10:37:27 -0700 (PDT) Received: from localhost ([2.26.27.199]) by smtp.gmail.com with ESMTPSA id n138sm8256768wmd.3.2017.10.23.10.37.26 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 23 Oct 2017 10:37:27 -0700 (PDT) From: Richard Sandiford To: gcc-patches@gcc.gnu.org Mail-Followup-To: gcc-patches@gcc.gnu.org, richard.sandiford@linaro.org Subject: [093/nnn] poly_int: adjust_mems References: <871sltvm7r.fsf@linaro.org> Date: Mon, 23 Oct 2017 18:37:26 +0100 In-Reply-To: <871sltvm7r.fsf@linaro.org> (Richard Sandiford's message of "Mon, 23 Oct 2017 17:54:32 +0100") Message-ID: <87mv4hepex.fsf@linaro.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 This patch makes the var-tracking.c handling of autoinc addresses cope with polynomial mode sizes. 2017-10-23 Richard Sandiford Alan Hayward David Sherwood gcc/ * var-tracking.c (adjust_mems): Treat mode sizes as polynomial. Use plus_constant instead of gen_rtx_PLUS. Index: gcc/var-tracking.c =================================================================== --- gcc/var-tracking.c 2017-10-23 17:16:59.708267276 +0100 +++ gcc/var-tracking.c 2017-10-23 17:25:40.610779914 +0100 @@ -1016,6 +1016,7 @@ adjust_mems (rtx loc, const_rtx old_rtx, machine_mode mem_mode_save; bool store_save; scalar_int_mode tem_mode, tem_subreg_mode; + poly_int64 size; switch (GET_CODE (loc)) { case REG: @@ -1060,11 +1061,9 @@ adjust_mems (rtx loc, const_rtx old_rtx, return mem; case PRE_INC: case PRE_DEC: - addr = gen_rtx_PLUS (GET_MODE (loc), XEXP (loc, 0), - gen_int_mode (GET_CODE (loc) == PRE_INC - ? GET_MODE_SIZE (amd->mem_mode) - : -GET_MODE_SIZE (amd->mem_mode), - GET_MODE (loc))); + size = GET_MODE_SIZE (amd->mem_mode); + addr = plus_constant (GET_MODE (loc), XEXP (loc, 0), + GET_CODE (loc) == PRE_INC ? size : -size); /* FALLTHRU */ case POST_INC: case POST_DEC: @@ -1072,12 +1071,10 @@ adjust_mems (rtx loc, const_rtx old_rtx, addr = XEXP (loc, 0); gcc_assert (amd->mem_mode != VOIDmode && amd->mem_mode != BLKmode); addr = simplify_replace_fn_rtx (addr, old_rtx, adjust_mems, data); - tem = gen_rtx_PLUS (GET_MODE (loc), XEXP (loc, 0), - gen_int_mode ((GET_CODE (loc) == PRE_INC - || GET_CODE (loc) == POST_INC) - ? GET_MODE_SIZE (amd->mem_mode) - : -GET_MODE_SIZE (amd->mem_mode), - GET_MODE (loc))); + size = GET_MODE_SIZE (amd->mem_mode); + tem = plus_constant (GET_MODE (loc), XEXP (loc, 0), + (GET_CODE (loc) == PRE_INC + || GET_CODE (loc) == POST_INC) ? size : -size); store_save = amd->store; amd->store = false; tem = simplify_replace_fn_rtx (tem, old_rtx, adjust_mems, data);