From nobody Thu Sep 19 01:35:55 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1719964091; cv=none; d=zohomail.com; s=zohoarc; b=lLJN2XYZV7UmrJYffVN2MYzh7twIiLzwwrpelpbEhx01wYgXKxJlFBXS0rOOCsWLDQHosv91m+ySKDQzk6GN1ZCj3l2xzi+YBoZU/3dJ6Pt1245bhsy3WGRH3uw6mC1lnxluI1eNkIwNYOtnUMBnWHWiI3nKXJJk+/As14aCmW8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1719964091; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=dbZQwN4l72NfnRdu4dMv7G4q55sco83AM+p/oHKAQe8=; b=DJScEGfmUJr62pBdD2RbWGXhG5PS9wDEqckZNot6aa74gaxUkEPlTOkZhW8BmHiqjz4gy6epB3CEBVmrM9zVqzR8KcJVExgciSCrP6HJlJOox5HNC+QQOCvh92LQW/eHjgX/VG2wkCzhLkeN7i6zfDZMlsrdOMA88e/LRxx3mPI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1719964091611133.9926107473201; Tue, 2 Jul 2024 16:48:11 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sOnDU-0002Bw-ST; Tue, 02 Jul 2024 19:47:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sOnDN-00024W-1D for qemu-devel@nongnu.org; Tue, 02 Jul 2024 19:47:14 -0400 Received: from mail-pl1-x62b.google.com ([2607:f8b0:4864:20::62b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sOnDG-0007VI-Vs for qemu-devel@nongnu.org; Tue, 02 Jul 2024 19:47:12 -0400 Received: by mail-pl1-x62b.google.com with SMTP id d9443c01a7336-1fafc9e07f8so8496015ad.0 for ; Tue, 02 Jul 2024 16:47:04 -0700 (PDT) Received: from stoup.. (174-21-76-141.tukw.qwest.net. [174.21.76.141]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fac1535e62sm90147045ad.154.2024.07.02.16.47.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jul 2024 16:47:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1719964022; x=1720568822; 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=dbZQwN4l72NfnRdu4dMv7G4q55sco83AM+p/oHKAQe8=; b=r/2WAJJXXosDDjwGFSBIYC00w0Wg2XUsZf01jE8XeS2aHGW7nyCT/3/COwOT7ATcTF uYrCMwPo5pWg9Ja5uVkvPjlcHmboBjoTzR8xHDD2+G26xXbVaVRaKQNLasyu8OBtcyvn YI1ZW/FeC2QywOuhkkaDrYvL4jmquJMu7iIYqPgptkE4AMPrDX5ctOHhzKbodsYTPsmQ PiM6rAr11Qdben/MpbiUv5x5Cys9goBmuYoISJRovsHcrK/ZHhJFj00Ud4gHIpJ55R7l qu61GLaAwc+yqV8Ij4BQIZKewBcoNBlT/HAMn8K+J1kF47UCCIOrSjRn2c+oimQMGi8/ DTgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719964022; x=1720568822; 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=dbZQwN4l72NfnRdu4dMv7G4q55sco83AM+p/oHKAQe8=; b=f3zzVh9N8kYYwKWBIJRlq+a6WyMi6Ydn0Lc7eONsj36Eqyv/9YgGAwdZwMIj7DiXbQ bUyBzABG3ZIA8m0UULhvjYB7K9cQS5YJqBjqMmR8PwMLQI7UIpOdTnzEfOXdiIPEzJj9 uDHcXc9bJwPEFIfqyaAVFt4vbTEYakFQJO9BiLhe2QZYsd0FB8YlQ+ErqNkt4+kyJVQ2 NoajhnP33Z3qo2WvcZMaIXMfaCTRkpgHSqyIOL+YTkIJLYpSr4Hc/8RQjyalE3k0eIG0 SjPep4FfKqK+arEhu5etk/CIzvWm0ieL0ymGmVvZQAbXqLQ3Z/GPxS32Ik7S5ULTHKMP hCdg== X-Gm-Message-State: AOJu0Yy6Gu4D+1+tKTAwYwSLGFq0NF/IHxR22u5dXvEXFI7Olx8Leult h3Scxgt4ZOdm5IkJZU03m3HjSd9Xw8Ne+rMCJr7KECwFDgCFefM/mGLuuJcyZ+hFO45G3Eq8+to q X-Google-Smtp-Source: AGHT+IH7iDiyfS9f9tzqutiYSEBRLOay76fwZVTJjQUJgeuurkHJ13WUvvTI0ZN7W++kzJmVZUSrXA== X-Received: by 2002:a17:902:f611:b0:1f7:1a31:fae8 with SMTP id d9443c01a7336-1fadbc85fc7mr117478325ad.26.1719964022021; Tue, 02 Jul 2024 16:47:02 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, balaton@eik.bme.hu Subject: [PATCH 1/4] target/ppc/mem_helper.c: Remove a conditional from dcbz_common() Date: Tue, 2 Jul 2024 16:46:56 -0700 Message-Id: <20240702234659.2106870-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240702234659.2106870-1-richard.henderson@linaro.org> References: <20240702234659.2106870-1-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::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.google.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: 1719964093477100003 Content-Type: text/plain; charset="utf-8" From: BALATON Zoltan Instead of passing a bool and select a value within dcbz_common() let the callers pass in the right value to avoid this conditional statement. On PPC dcbz is often used to zero memory and some code uses it a lot. This change improves the run time of a test case that copies memory with a dcbz call in every iteration from 6.23 to 5.83 seconds. Signed-off-by: BALATON Zoltan Message-Id: <20240622204833.5F7C74E6000@zero.eik.bme.hu> Reviewed-by: Richard Henderson Signed-off-by: Richard Henderson Reviewed-by: Nicholas Piggin --- target/ppc/mem_helper.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c index f88155ad45..361fd72226 100644 --- a/target/ppc/mem_helper.c +++ b/target/ppc/mem_helper.c @@ -271,12 +271,11 @@ void helper_stsw(CPUPPCState *env, target_ulong addr,= uint32_t nb, } =20 static void dcbz_common(CPUPPCState *env, target_ulong addr, - uint32_t opcode, bool epid, uintptr_t retaddr) + uint32_t opcode, int mmu_idx, uintptr_t retaddr) { target_ulong mask, dcbz_size =3D env->dcache_line_size; uint32_t i; void *haddr; - int mmu_idx =3D epid ? PPC_TLB_EPID_STORE : ppc_env_mmu_index(env, fal= se); =20 #if defined(TARGET_PPC64) /* Check for dcbz vs dcbzl on 970 */ @@ -309,12 +308,12 @@ static void dcbz_common(CPUPPCState *env, target_ulon= g addr, =20 void helper_dcbz(CPUPPCState *env, target_ulong addr, uint32_t opcode) { - dcbz_common(env, addr, opcode, false, GETPC()); + dcbz_common(env, addr, opcode, ppc_env_mmu_index(env, false), GETPC()); } =20 void helper_dcbzep(CPUPPCState *env, target_ulong addr, uint32_t opcode) { - dcbz_common(env, addr, opcode, true, GETPC()); + dcbz_common(env, addr, opcode, PPC_TLB_EPID_STORE, GETPC()); } =20 void helper_icbi(CPUPPCState *env, target_ulong addr) --=20 2.34.1