From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by sourceware.org (Postfix) with ESMTPS id 79D8D3858D28 for ; Sun, 27 Feb 2022 01:28:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 79D8D3858D28 Received: by mail-wm1-x32e.google.com with SMTP id i20so3758196wmc.3 for ; Sat, 26 Feb 2022 17:28:39 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=I8v1z1X1a+cviiIlO7P/cviUWC6GXjuuggsJ8Z0MZiw=; b=sR9UmR2sTadH2rA5pVko6Aaiwn7ZQjm4TjvSdorDzCU+4jZX7l4H6RS09sGRx4Bay6 /1DfJy5xd6TIlUxs7LZlAUsmLRiVvbBqas3kjm+EyBbjWyY0J0M72lqy0BI4/KPLQMnW lACHgfzDKyX1GLWLkKbYoOp5lC2BMTpB/fAYQcOGtriQvWxKFj4FkI5iH8lc7b+SFINv AZY8GMPPi8ut8EKefTPQJzCkjd0+3YPM54sqXtUK705DqcUpBNQckYT2e9t/FIWDhNzZ QXpU+6BeHP0MNFv0MOYHK3O+I04yDJ6ntCBsmKuZtHFEJDDZzbzW83p6CW35TDpSuJtz yPGg== X-Gm-Message-State: AOAM531iftZUUxfd3gVYrZrsRAGFL7bYN5wRcGBUVT/KOn6Oj16QCfPt /gxNXIq3OiYAyHq5GrY6zGhGcka9KX86ybpNhUx9glk9V9k= X-Google-Smtp-Source: ABdhPJxzsP9JqYqbU1sG1A6beqM8tCZEPkdyss6WMmtlx8nulVX2FLyuiMHkCnpdN5kEhFZb3d8Rt0IKQUGpXeZxBR0= X-Received: by 2002:a05:600c:4f55:b0:381:2322:6b2 with SMTP id m21-20020a05600c4f5500b00381232206b2mr8217961wmq.169.1645925318313; Sat, 26 Feb 2022 17:28:38 -0800 (PST) MIME-Version: 1.0 From: Ezhil P Date: Sun, 27 Feb 2022 06:58:26 +0530 Message-ID: Subject: Machine dependent optimization To: gcc-help X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, FROM_FMBLA_NEWDOM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Feb 2022 01:28:43 -0000 Hi, I understand that Machine independent optimizations happen in the middle end of GCC and machine dependent optimizations happen in the back end of GCC. Can you please list few machine dependent optimization relevant for x-86 processor architecture?