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=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 B618BC433E2 for ; Sat, 5 Sep 2020 11:12:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5BA502074B for ; Sat, 5 Sep 2020 11:12:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ww/w/7u/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728405AbgIELMU (ORCPT ); Sat, 5 Sep 2020 07:12:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726597AbgIELMT (ORCPT ); Sat, 5 Sep 2020 07:12:19 -0400 Received: from mail-ej1-x642.google.com (mail-ej1-x642.google.com [IPv6:2a00:1450:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA6BDC061244 for ; Sat, 5 Sep 2020 04:12:18 -0700 (PDT) Received: by mail-ej1-x642.google.com with SMTP id a26so11902657ejc.2 for ; Sat, 05 Sep 2020 04:12:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hWD0uL4akOQ32S9DjiBXlPXP8TW0t/Qk1tVIPwEzdEc=; b=Ww/w/7u/ttLsO7tGvoszVSOKbWJd0veATalgdwJzAVq3fDjzAr1JcsuT27mINzHHD3 R69+quFeqhfBVkxBLAbIuFO/H8VsxcwAGELMyCN/0pU2SMEikJYn++fSBoZR/MyLF2/n xtpj5HY3bDhAVirNheB84ne5hemHWSU5IIzKvMTpKpfClnri/HZCJB9lmBdzqLROOg1L ko09Nv/DrqdKHwKcLLpRW9dJLl0+Cp6JHQgmimEb2wMAuBjPd9A8nGPgohKzMVlhSX7n WQjl2R1V6dXZ67eCXC6olk720BUp/ypDJbAQxL8p7qQvLjYX1kiL25iqW55mQ/WR3mt4 kQKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hWD0uL4akOQ32S9DjiBXlPXP8TW0t/Qk1tVIPwEzdEc=; b=Ng47errnAmfPhn8ipHSOjlyAvd3eG2Sc+ySkXQy0ZofVwE4dyYE8zaB/GueuJlwzFQ pkGH9RJgZ1QWIYnn24RuPT3f6iLyZpTn9q1TdzufVTOjSioH68FVJgz2aGZS9qLnxTJJ Dh39bjEFeK3BfIQoER0CyV2F2HjohI3UMopS5wdEL3G3pdDMLGAJgDBbjx2+0FB6Z2mQ AYYQymzbIKekiFZ2COiXdXrlliePtiJNzDNagoFkYqeRUvNq3L/RbGjqvsedsp1n/3lb eiDZ7lZfqWCY7i8GUmb1jcyvHjzMRKlqGTyve6GvISO9T17sNdpmowJxqgxFz0xU6kDe rOww== X-Gm-Message-State: AOAM530SHzE6dtSrbQmL0GcJpHfeH/U/eNw4pzgz7jsycFKAWeeFsxk/ m8gOLlYg+3a2PcqJufj1dWyDEg9bACU= X-Google-Smtp-Source: ABdhPJw7wP6y0l1ff0akJXrxzT/6nXXcSlbT5T277zqaHENbNQXjQ0beHGBuag71ALTOmw7U2OsRHw== X-Received: by 2002:a17:906:4c81:: with SMTP id q1mr11550098eju.72.1599304336673; Sat, 05 Sep 2020 04:12:16 -0700 (PDT) Received: from localhost.localdomain ([2a02:a03f:a7fb:e200:e1b1:2430:dffc:e425]) by smtp.gmail.com with ESMTPSA id u15sm8319506edj.69.2020.09.05.04.12.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Sep 2020 04:12:15 -0700 (PDT) From: Luc Van Oostenryck To: linux-sparse@vger.kernel.org Cc: Luc Van Oostenryck Subject: [PATCH 0/4] builtin: teach sparse to linearize __builtin_fma() Date: Sat, 5 Sep 2020 13:12:07 +0200 Message-Id: <20200905111211.82199-1-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-sparse-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org This series is the second part experimenting with adding the infrastructure needed for the linearization of builtins. The first part added support for __builtin_unreachable() but this builtin has no arguments and no return value. Now, there is an example showing how to do it when arguments and/or a return value are present. Luc Van Oostenryck (4): add support for a new instruction: OP_FMA builtin: allow linearization to fail builtin: add declaration for __builtin_fma{,f,l}() builtin: teach sparse to linearize __builtin_fma() builtin.c | 3 +++ linearize.c | 29 +++++++++++++++++++++++++++-- opcode.def | 1 + 3 files changed, 31 insertions(+), 2 deletions(-) -- 2.28.0