From patchwork Wed Jun 28 11:45:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 1801008 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (4096-bit key; unprotected) header.d=ilande.co.uk header.i=@ilande.co.uk header.a=rsa-sha256 header.s=20220518 header.b=aAdkK7e4; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Qrftv27PHz20bN for ; Wed, 28 Jun 2023 21:46:47 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qETd9-0003X5-Iw; Wed, 28 Jun 2023 07:46:39 -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 1qETcO-0002gE-6H for qemu-devel@nongnu.org; Wed, 28 Jun 2023 07:46:04 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qETcK-0005AX-7J for qemu-devel@nongnu.org; Wed, 28 Jun 2023 07:45:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ilande.co.uk; s=20220518; h=Subject:Content-Transfer-Encoding:Content-Type: MIME-Version:References:In-Reply-To:Message-Id:Date:To:From:Sender:Reply-To: Cc:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=/bMeEkjfg3tpxVE70QjaEvS5dMR3vXSEfAF08boX70Q=; b=aAdkK7e4yMAOUVvTyK/0E8o0XC YFWR9RIOrZYVpn7ZuzB5VxVYFAAjlFDRLXQxwXX+lcbIe/cR3pX+pF5vj0w5SKdxXB7LEeeKralxC B1CG/dbVYb/oIPOyFAsYEj6Cw0k0+6AizNI6XFWK1sZatwvQpluHHRXCXUfKMg22ta3iJ1Ut2EX3X dPk178cFtoqAzVJS8U2ixWlsSWSaMZmAE+cPN9kcgAUcd9SIqT+Gr25PTtAJRk2nbJnnON0aeqctL L7A1j2QchLci1u/YAnv5U5KphGQR0X9MiiTn0yfQMuHa0Tg2dEA1I6jw2gEGxTUy6YL+kYA+fbN2i KSpw+tQEdL5X3666xAuJ/vT1nEh6KfF3je971JM+Gl2hPqWoRcWQbRmxqQKyefR+/jDYQn8ocynkc uvZBNlWBSeEqPdj9/D8C6YRC4gHoacNQ4fwVHaY439Np0rtwi8zEFYUdLr1soiqaBeUhhIV2UNjws ZHNjBX2qnw44lb3ff9cZ49cggzbZFoylkSEPDnVUpGkRngk+1yTEWBnsbqBXuB6p/K5ttEmfLi0Or WPyd/N3KLLac73gkgbgEjHhVTI7Im2uTKN7WhdWgrEKiXiyK0M1plZsfe/vN2SOUo7v9VCZkCYMpj waYFX/1o9/R/mtGK3ARZr1tBrDZzcs1WJKpdOkaRI=; Received: from host86-130-37-216.range86-130.btcentralplus.com ([86.130.37.216] helo=kentang.home) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qETbx-00007c-J6; Wed, 28 Jun 2023 12:45:29 +0100 From: Mark Cave-Ayland To: richard.henderson@linaro.org, qemu-devel@nongnu.org Date: Wed, 28 Jun 2023 12:45:00 +0100 Message-Id: <20230628114504.546265-7-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230628114504.546265-1-mark.cave-ayland@ilande.co.uk> References: <20230628114504.546265-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 86.130.37.216 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PULL 06/10] target/sparc: Use DYNAMIC_PC_LOOKUP for conditional branches X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.ilande.co.uk) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.ilande.co.uk 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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Richard Henderson When resolving JUMP_PC, we know this is for a plain branch with no other side effects. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson Message-Id: <20230628071202.230991-6-richard.henderson@linaro.org> Signed-off-by: Mark Cave-Ayland --- target/sparc/translate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 75aa1a138e..d7b569d910 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -941,7 +941,7 @@ static void flush_cond(DisasContext *dc) { if (dc->npc == JUMP_PC) { gen_generic_branch(dc); - dc->npc = DYNAMIC_PC; + dc->npc = DYNAMIC_PC_LOOKUP; } } @@ -951,7 +951,7 @@ static void save_npc(DisasContext *dc) switch (dc->npc) { case JUMP_PC: gen_generic_branch(dc); - dc->npc = DYNAMIC_PC; + dc->npc = DYNAMIC_PC_LOOKUP; break; case DYNAMIC_PC: case DYNAMIC_PC_LOOKUP: @@ -997,7 +997,7 @@ static void gen_mov_pc_npc(DisasContext *dc) case JUMP_PC: gen_generic_branch(dc); tcg_gen_mov_tl(cpu_pc, cpu_npc); - dc->pc = DYNAMIC_PC; + dc->pc = DYNAMIC_PC_LOOKUP; break; case DYNAMIC_PC: case DYNAMIC_PC_LOOKUP: