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([149.14.240.163]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-41fccee9292sm222611855e9.37.2024.05.15.00.53.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 May 2024 00:53:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1715759582; x=1716364382; darn=nongnu.org; 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=1nWXlcFf/ukN+q7QhzDqXIa8CiZT41OLDlcvMAkUxKU=; b=Owl7Idi+7wiWepcHO2p4+lD4wKLgH8tIeQ4gksJZbpHh8r59nvIrA84op+sF3e16pr 8uas5g+eyJnqsaarKUOnhtiM7KLOxOKcjwmDMqx6Ln9W0RWLWeC9WvKiJU7tyqEpNe7w 9bMdzTVQKTXzClyfcaF1InqzaThND0DIgXFdMNPPuUmCz2nqRkdYIgUyIchHNZHrjgIn 0/u1NW2ksn1CVpht7NjT5IquQFak4JJXrQylhuNgLgJAMkjkuOHu5/+VEsjjaeChYGUu kCzmaWeJL6B24W1X+3/6oZ6fSRhmVgbJMzoO583N/Ss+xX1OgOw43bpccC+1IVp8FlMI TtxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715759582; x=1716364382; 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=1nWXlcFf/ukN+q7QhzDqXIa8CiZT41OLDlcvMAkUxKU=; b=ThClyNEZuwTkMGPtFn8nJGykICS0kQ8wTZzx9mQo/WkoJrtsa+L1yiGzwN4yjrDyXh C7PJ/o5k0Am0NWQcIbxVSQdlynNDy4PnBWVxaxWW+nbQ6fUohV5po4+2IYudWngrtNJU fZ8B3prtiTBNfUh4RzU0badon7Hh+egh3qYz9NEaobWeaELG6NCJL1qhkve4/Kbhx7/b 21PgiEGYSayxHRdXtXDF1k8ADizFH/OXxPpMVjcZV3d1iB1JlAo/OaeIoiNsRJZaBkUc /eQe8jvzfAfZfpdt3bVjUDE80KtleQ6D6oM4j9K8PRPrKDlmtcoPv3bWSJL8gz5a6TkE LgrQ== X-Gm-Message-State: AOJu0YyScalGK9EkbLYGaVAvcukXSYRs4D2+HzLsaVErIPJ+hg48yGMv DunhvEEzPZ2+LHcQpVcEYUk3D0wPz9XD8MujKGctdmgawYZ53thlPtfTgEF0KDx7B3DQX5szaqp jyng= X-Google-Smtp-Source: AGHT+IEBXBsdsOVUurlJskDFvZfci4VJNr7GGfOAVHe/3jNky1+oL3FfYoyhpOFZpydqSSrRIyGkPw== X-Received: by 2002:a05:600c:3ca3:b0:41a:908c:b841 with SMTP id 5b1f17b1804b1-41feac55671mr146826585e9.32.1715759582400; Wed, 15 May 2024 00:53:02 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 20/34] accel/tcg: Introduce translator_fake_ld Date: Wed, 15 May 2024 09:52:33 +0200 Message-Id: <20240515075247.68024-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240515075247.68024-1-richard.henderson@linaro.org> References: <20240515075247.68024-1-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=2a00:1450:4864:20::330; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x330.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: 1715760207295100001 Replace translator_fake_ldb, which required multiple calls, with translator_fake_ld, which can take all data at once. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- include/exec/translator.h | 8 ++++---- accel/tcg/translator.c | 5 ++--- target/s390x/tcg/translate.c | 8 ++++---- 3 files changed, 10 insertions(+), 11 deletions(-) diff --git a/include/exec/translator.h b/include/exec/translator.h index 411ce2b47e..25004dfb76 100644 --- a/include/exec/translator.h +++ b/include/exec/translator.h @@ -234,17 +234,17 @@ translator_ldq_swap(CPUArchState *env, DisasContextBa= se *db, } =20 /** - * translator_fake_ldb - fake instruction load + * translator_fake_ld - fake instruction load * @db: Disassembly context - * @pc: program counter of instruction - * @insn8: byte of instruction + * @data: bytes of instruction + * @len: number of bytes * * This is a special case helper used where the instruction we are * about to translate comes from somewhere else (e.g. being * re-synthesised for s390x "ex"). It ensures we update other areas of * the translator with details of the executed instruction. */ -void translator_fake_ldb(DisasContextBase *db, vaddr pc, uint8_t insn8); +void translator_fake_ld(DisasContextBase *db, const void *data, size_t len= ); =20 /** * translator_st diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c index 00322c6fd9..c56967eecd 100644 --- a/accel/tcg/translator.c +++ b/accel/tcg/translator.c @@ -468,9 +468,8 @@ uint64_t translator_ldq(CPUArchState *env, DisasContext= Base *db, vaddr pc) return tgt; } =20 -void translator_fake_ldb(DisasContextBase *db, vaddr pc, uint8_t insn8) +void translator_fake_ld(DisasContextBase *db, const void *data, size_t len) { - assert(pc >=3D db->pc_first); db->fake_insn =3D true; - record_save(db, pc, &insn8, sizeof(insn8)); + record_save(db, db->pc_first, data, len); } diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index d74939389a..2eb787e401 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -6191,6 +6191,8 @@ static const DisasInsn *extract_insn(CPUS390XState *e= nv, DisasContext *s) const DisasInsn *info; =20 if (unlikely(s->ex_value)) { + uint64_t be_insn; + /* Drop the EX data now, so that it's clear on exception paths. */ tcg_gen_st_i64(tcg_constant_i64(0), tcg_env, offsetof(CPUS390XState, ex_value)); @@ -6200,10 +6202,8 @@ static const DisasInsn *extract_insn(CPUS390XState *= env, DisasContext *s) ilen =3D s->ex_value & 0xf; =20 /* Register insn bytes with translator so plugins work. */ - for (int i =3D 0; i < ilen; i++) { - uint8_t byte =3D extract64(insn, 56 - (i * 8), 8); - translator_fake_ldb(&s->base, pc + i, byte); - } + be_insn =3D cpu_to_be64(insn); + translator_fake_ld(&s->base, &be_insn, ilen); op =3D insn >> 56; } else { insn =3D ld_code2(env, s, pc); --=20 2.34.1