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([2602:ae:1598:4c01:c13a:d73:4f88:3654]) by smtp.gmail.com with ESMTPSA id p18-20020aa78612000000b0063b7c42a070sm6285041pfn.68.2023.05.23.16.58.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 May 2023 16:58:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684886289; x=1687478289; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=iKNcUlS+jlCWq7+Fad+OkxpU1yvQUoyJQ2LbUV5SS1s=; b=cquaSiaOcprG0bGUsTM2Clzcl210IPOulVn5QWVWpeGSw0rBR939mu/P/pVyOkjx65 S9q2bGIEIR4q8qEVK4ecWGBGhgqssj0IoFJUfBIYx1n/h7C9zLnIEudj5Ap5HdWRUtUv FuP1t9+ku/oYkLYO6P/oxIP7vt5W07miLNOitI6Uxpk013LM8nTY8cuGW24KXUTUt2YK +WiK5MuirP1yXHsIHesZdXno9df27Ts8QMCITro/4oq0c7KE7KDsL+T4P8IdoTq0T3gw BrdVYgQYNl23xflDElfDbeeuvun6WtfcEyzf4JqsXCuZmM4Rj1HgsLVCzwqieFjeP+Ug SA7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684886289; x=1687478289; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iKNcUlS+jlCWq7+Fad+OkxpU1yvQUoyJQ2LbUV5SS1s=; b=Rgo3zyR5VeImXyOFQ1ycD8CposYsg/tc6HXHg/0IHZLhYAWWWoIAsEo03FgN5U6eMN viTPpSzI/OwHw6baR9olPvyf5/n+UzQ9mSPx/zjBeER+L5SIirMEpnbX6YV0+KIu/ESp sRwiPHKs8y9ijdBIKgZ0H4c/QmYCfcr6RYRdDIEWpUAGhpmUliS1Ol7YV8mAymQ/bj5G WVWYhuIKKR5E+H6espGnSgFflyMlqLVw0NuDUBw9o9KW2D2X+cN5qUS8e+dN0k7b3Z8D TFgIpmeeI55XeahnFUqOMevezVwX3flqfmuHO2qX/tco2Dam16T0YBr6mCxnN2/OdJz/ HSMQ== X-Gm-Message-State: AC+VfDzqVXskb/nfhgHiLxNko/kXXCfyKR1C0UXOQ3wWWksflvl4PedQ pT0uIfpKEPygIowYtFHlGIIbxWM3GT1bEao+2jE= X-Google-Smtp-Source: ACHHUZ65xfktdE82Q6Ql+MSQzmNm13mbXt349D0LMoi7x7zX8pESm7aS++a7LZl1Qojw4zgMoywAtg== X-Received: by 2002:a05:6a20:9144:b0:10c:9773:5e6 with SMTP id x4-20020a056a20914400b0010c977305e6mr3346690pzc.47.1684886288781; Tue, 23 May 2023 16:58:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Peter Maydell Subject: [PULL 03/28] util: Add i386 CPUINFO_ATOMIC_VMOVDQU Date: Tue, 23 May 2023 16:57:39 -0700 Message-Id: <20230523235804.747803-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230523235804.747803-1-richard.henderson@linaro.org> References: <20230523235804.747803-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1684886370474100008 Add a bit to indicate when VMOVDQU is also atomic if aligned. Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- host/include/i386/host/cpuinfo.h | 1 + util/cpuinfo-i386.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/host/include/i386/host/cpuinfo.h b/host/include/i386/host/cpui= nfo.h index e6f7461378..a6537123cf 100644 --- a/host/include/i386/host/cpuinfo.h +++ b/host/include/i386/host/cpuinfo.h @@ -25,6 +25,7 @@ #define CPUINFO_AVX512DQ (1u << 14) #define CPUINFO_AVX512VBMI2 (1u << 15) #define CPUINFO_ATOMIC_VMOVDQA (1u << 16) +#define CPUINFO_ATOMIC_VMOVDQU (1u << 17) =20 /* Initialized with a constructor. */ extern unsigned cpuinfo; diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 434319aa71..ab6143d9e7 100644 --- a/util/cpuinfo-i386.c +++ b/util/cpuinfo-i386.c @@ -77,8 +77,10 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) * See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D1046= 88 */ __cpuid(0, a, b, c, d); - if (c =3D=3D signature_INTEL_ecx || c =3D=3D signature_AMD= _ecx) { + if (c =3D=3D signature_INTEL_ecx) { info |=3D CPUINFO_ATOMIC_VMOVDQA; + } else if (c =3D=3D signature_AMD_ecx) { + info |=3D CPUINFO_ATOMIC_VMOVDQA | CPUINFO_ATOMIC_VMOV= DQU; } } } --=20 2.34.1