From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C8C8C3A59B for ; Fri, 30 Aug 2019 19:50:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6981922CE9 for ; Fri, 30 Aug 2019 19:50:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728181AbfH3TuX (ORCPT ); Fri, 30 Aug 2019 15:50:23 -0400 Received: from mail-qk1-f195.google.com ([209.85.222.195]:43945 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728072AbfH3TuX (ORCPT ); Fri, 30 Aug 2019 15:50:23 -0400 Received: by mail-qk1-f195.google.com with SMTP id m2so7182296qkd.10 for ; Fri, 30 Aug 2019 12:50:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=YcTquQFFNGFyj6h+17eIWTlSkXkkEaK67MosbLaZNLM=; b=g5cc3enn3T6IPfPfpKxInUaBRXrQrGEkZoKgW7s6dYRATFItDb65EbAvCm5vYxV6/B 39dbP5u+CsetXIsLu4gBepEyDF9ktTtQg7RLvkOhifx1nHCknY5WPz2+wTKItcWq3Zph V8woi/QGbq+R2MCxBwvRyP1CWFaL078wpsewIRCzXYGHlg/a6QFUSuVEOcdbAUkjJhpk m8/YhMugxfNSczFGPJZqQoFgsDqMDOWM+B286a11FYJ/3jnp533QFXGX3eHUlry8SRVa 7p7aIMHxZeyQZaxHW8spowPB30pLXReLqNLoBbVHZRxuMQPHYVnKgXjfr4OjXxBNzgC0 Ihiw== X-Gm-Message-State: APjAAAVxQzGMPBaR3H7ty4ymrsWTEzAU1ftQTVOPCQFSmN1pyHpiDPH1 /Wjd+YPah2GU54UDpiEOuziCICZgkr8kdCMOmvwMldtg X-Google-Smtp-Source: APXvYqx3T/FOkpjDHlUezeUg22GGBATaTHwRQhubWC6nsK7rYOTeQDDa8J8pHf5RD4fsEgtp4yuRwL8Pjaqgo8O86vU= X-Received: by 2002:a37:4fcf:: with SMTP id d198mr17083647qkb.394.1567194622102; Fri, 30 Aug 2019 12:50:22 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Arnd Bergmann Date: Fri, 30 Aug 2019 21:50:06 +0200 Message-ID: Subject: Re: [PATCH] __div64_const32(): improve the generic C version To: Nicolas Pitre Cc: Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 21, 2019 at 5:05 AM Nicolas Pitre wrote: > > Let's rework that code to avoid large immediate values and convert some > 64-bit variables to 32-bit ones when possible. This allows gcc to > produce smaller and better code. This even produces optimal code on > RISC-V. > > Signed-off-by: Nicolas Pitre > Applied, thanks! Arnd