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([2602:47:d483:7301:8d06:f27b:d26c:91c1]) by smtp.gmail.com with ESMTPSA id n7-20020a62e507000000b00686b649cdd0sm9667699pff.86.2023.08.15.12.57.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Aug 2023 12:57:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692129476; x=1692734276; 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=7pWJR/i0qFrHbOc7VrOLRnKZxmQspNrgrC7qAbkO0lE=; b=DTMYnhgOAiNDXW4Xth/rKNHm5oPoXmAj4BATxWHK6Vqp25vvq8JnbHJgk15+wQfmHu EnY7sGc7wOm5oyPv2HgpNDRMaquZPrqjlHLy4lE7rfRGgtxYNWLEhkA9MRtkIl8KsgbW UNAwFlPI38+X6OlOcuoLM8WK9/nwA2wQkPPOzVO7Z32nBYtukhOH4bfiZ4taq+9fMr7v kkjaopvFLgEXvRVXd6jKvZLskydXUdSQ8NkFXbtHF0QngaM8nKG/p1owRQ6HUPV69lhe VxIFfnyjmsLzBLmRT2gpCZVmTMFgXYubxdLz7lgD4DQjBTpjf1BbBn5WmEFqe0XvJuMy +TJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692129476; x=1692734276; 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=7pWJR/i0qFrHbOc7VrOLRnKZxmQspNrgrC7qAbkO0lE=; b=M7KZNHv4p+qiTNmsSN8sY31yfG/5Zn7OYMttUwkFkXVQLSXzhOWHt11Rp00THm1kqn G3aXm3jlIOTQqICsI5LYqHufFH4bmRpEX656Nzt98n08QSCm/DNruXcYMs61FDRIsTJL bynHJswNXctISPGjVSmmgmqDieaFl/0ESd3AkJEPkiBd2LvRXrGRDiUcJbQQ9wMiyVop iltjeLET4n5SoFGThtgxW9i8sTC7Uf3galphScbgyAJfP2CfNrr//ifkhoAqla83Rzx0 TYM2rYeQr3QV5WyKPC1zrWMHyOmc8IAYAG+yACa7s/oreKvFRXVVE4W2/r9+jAgjqbGP fTHw== X-Gm-Message-State: AOJu0Ywc23O+RqUi2+jjwgV7HtyIr+/HQgVAhW0sC6iQBv6bfSkTl+5a 6Df6MGJaJ2SBLxq5Mx8iWwoWjmN9cVRUoH1ZKF4= X-Google-Smtp-Source: AGHT+IFhWrjPFkRgHZ/HsHtjaf2Aa/OZ8HfEAsvbvwQq/IJlOTvUDqCFDrEdSjs6ps9iKly3j7QlDw== X-Received: by 2002:a05:6a21:3295:b0:12e:caac:f263 with SMTP id yt21-20020a056a21329500b0012ecaacf263mr3594015pzb.20.1692129476627; Tue, 15 Aug 2023 12:57:56 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, jniethe5@gmail.com Subject: [PATCH v3 14/14] RFC tcg/ppc: Disable TCG_REG_TB for Power9/Power10 Date: Tue, 15 Aug 2023 12:57:41 -0700 Message-Id: <20230815195741.8325-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230815195741.8325-1-richard.henderson@linaro.org> References: <20230815195741.8325-1-richard.henderson@linaro.org> MIME-Version: 1.0 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::42b; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42b.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 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: 1692129634143100001 Content-Type: text/plain; charset="utf-8" This may or may not improve performance. It appears to result in slightly larger code, but perhaps not enough to matter. Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index 20aaa90af2..c1e0efb498 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -83,7 +83,7 @@ #define TCG_VEC_TMP2 TCG_REG_V1 =20 #define TCG_REG_TB TCG_REG_R31 -#define USE_REG_TB (TCG_TARGET_REG_BITS =3D=3D 64) +#define USE_REG_TB (TCG_TARGET_REG_BITS =3D=3D 64 && !have_isa_3_00) =20 /* Shorthand for size of a pointer. Avoid promotion to unsigned. */ #define SZP ((int)sizeof(void *)) --=20 2.34.1