From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by sourceware.org (Postfix) with ESMTPS id AFB3F3858D32 for ; Sun, 2 Oct 2022 21:08:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AFB3F3858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ej1-x62d.google.com with SMTP id nb11so18603423ejc.5 for ; Sun, 02 Oct 2022 14:08:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date; bh=fzWeqY6uwOpaQszZvM6GIVktGYa9uFONui8LyjTcvkI=; b=ATZ6LMWNYA42DIiBxtUCxSyafiM0ioPUVXss5Sk+/TvqzkLaE56Ztw9NW96x5Yc74I aWVFf8Rx3MzA0KUkdJ9l+FX467wF91u4LTAi2tfs+OxKdEByME5IHJo5ZvaOweFxm8q3 IEKCHgzNXqaUQ4rtCE9Y0LhSTy5bUR8IVyN1FQqWY9z59w08wGxY95i1D01bNiv4Sr69 3nt5VcUNh80V+Oh8KW1t7Yr6kZysu1im4A989T6rdWnem5IJ/h6o28KXkg6ivTOL8T0d OJhJXOdvvrE6YVjQzscap4E2eAHO7Qe7qII7XoSJsGsVfyOYZK/7HVYFOJJdIjVqeFMq wMZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date; bh=fzWeqY6uwOpaQszZvM6GIVktGYa9uFONui8LyjTcvkI=; b=OzUrVNRPDgmuBjsgV86HMzQ6F5ja+RCzLK8Nsmv/499hpfcehfOXohxwjIe1naetqP +FotF6lz0oSdZX+tcmy9usUqUtPq2uCKWDFhGeAs/QP4iYenKc3/vEqO9wSEUbRU82s4 e0SL/N4HZDDNB+/hW+hy/gPeQXWPYcX+0ikboUJ0yJeuY2X9N0M3TslNTaq2pNCKYYMK kIqobYiVQECkfV3oVtsjs627NEKNYAgjnZvT0L3+zszybs4m2z+831GGUYp+5PHnIhCe wCWe8GC4HgiqCGhj6eIcslM9M37QEF4h7N7ygJetfiBYhqwB+SPEM++AGv5LePI9Kr80 Ystw== X-Gm-Message-State: ACrzQf2c0wAazyn1gaFLtKVT7pJINDqzwelkFercA444lrUbNC+HUiA+ KQDYAdkl56ixoOR9C33JDI1EMjbG/2SnY4Rifhr3GNIb X-Google-Smtp-Source: AMsMyM7tnTEWxE7plXz9rsyZJcFnyvOLw3wXxT5S9tHEt0M4ybWbA9lqYtSe+1GOofRzwtIYMa7ikSgebqKB/tmX80c= X-Received: by 2002:a17:906:fe46:b0:73d:939a:ec99 with SMTP id wz6-20020a170906fe4600b0073d939aec99mr13413835ejb.169.1664744883408; Sun, 02 Oct 2022 14:08:03 -0700 (PDT) MIME-Version: 1.0 References: <20221002123424.3079805-1-aurelien@aurel32.net> <20221002123424.3079805-2-aurelien@aurel32.net> In-Reply-To: <20221002123424.3079805-2-aurelien@aurel32.net> From: Noah Goldstein Date: Sun, 2 Oct 2022 17:07:52 -0400 Message-ID: Subject: Re: [PATCH v2 1/6] x86: include BMI1 and BMI2 in x86-64-v3 level To: Aurelien Jarno Cc: libc-alpha@sourceware.org, "H . J . Lu" , Sunil K Pandey Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-9.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Sun, Oct 2, 2022 at 8:34 AM Aurelien Jarno wrote: > > The "System V Application Binary Interface AMD64 Architecture Processor > Supplement" mandates the BMI1 and BMI2 CPU features for the x86-64-v3 > level. > --- > sysdeps/x86/get-isa-level.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/sysdeps/x86/get-isa-level.h b/sysdeps/x86/get-isa-level.h > index 1ade78ab73..5b4dd5f062 100644 > --- a/sysdeps/x86/get-isa-level.h > +++ b/sysdeps/x86/get-isa-level.h > @@ -47,6 +47,8 @@ get_isa_level (const struct cpu_features *cpu_features) > isa_level |= GNU_PROPERTY_X86_ISA_1_V2; > if (CPU_FEATURE_USABLE_P (cpu_features, AVX) > && CPU_FEATURE_USABLE_P (cpu_features, AVX2) > + && CPU_FEATURE_USABLE_P (cpu_features, BMI1) > + && CPU_FEATURE_USABLE_P (cpu_features, BMI2) > && CPU_FEATURE_USABLE_P (cpu_features, F16C) > && CPU_FEATURE_USABLE_P (cpu_features, FMA) > && CPU_FEATURE_USABLE_P (cpu_features, LZCNT) > -- > 2.35.1 > LGTM.