From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 62824C433EF for ; Tue, 8 Mar 2022 07:32:30 +0000 (UTC) Received: from localhost ([::1]:47486 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nRUKb-0004i2-Go for qemu-devel@archiver.kernel.org; Tue, 08 Mar 2022 02:32:29 -0500 Received: from eggs.gnu.org ([209.51.188.92]:44978) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nRU8r-00053S-JW for qemu-devel@nongnu.org; Tue, 08 Mar 2022 02:20:23 -0500 Received: from [2607:f8b0:4864:20::636] (port=33745 helo=mail-pl1-x636.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nRU8q-0006Gu-5E for qemu-devel@nongnu.org; Tue, 08 Mar 2022 02:20:21 -0500 Received: by mail-pl1-x636.google.com with SMTP id m2so10296940pll.0 for ; Mon, 07 Mar 2022 23:20:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Hnm7ONwW3b6w8PSvN2V8w956oTjdf4vnzb4T0LKj/Ww=; b=NpafVhxgGT1tHKxyOFWMUigif028Z986BPrw0QzES9dwjx8d+jxCXF5x2TNQD3hfBx qU6wq2D8ftvYXfshIhDFXVIcn2Ypsem8xhptKz0TIbWdKEGLQC96qrokpWDaiRHyi81I cgN+UnAtR+7pFLzSKy36YcD3rb26yv6E+FchXOrjOjggVp9XnR9K9ZQOgvB8XEi2SIsR FUfK1BEMLJsvLiq5eoWeXWN1V2CqXXtCshKGN7CYoXN3fC4v9bLZkC6qyDK4CTs+nQcY XIGc7p89vWlEQB7kf3jeBg4qJB9Kmm96HColctzz//3Fon1qfKeIm4/pq0XeVpT6U69W yK9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Hnm7ONwW3b6w8PSvN2V8w956oTjdf4vnzb4T0LKj/Ww=; b=gECztkH+66dPJKYw5r3aPSYA9wUbVgHZTT6hQUrFnHb5hI62qPjuP1QWCK0MyhlpiL yMq8MdWaAkDOX0FyZndQCo+7048QoACvrzBcTZUMzTMkAunldPMcnzgnt3ZOliMx3gAO vcuPWOzTFtGA+ZKSf+4uk31Tdt84YWLIWD9kO+PuGvszNJCItWHHsmka6j/SbuMVzeCg LQrPJIblnwRw3JseHj0VsTGEbBgOIWz5+unXWQxJgOnOWbTpR7StbxMLP2lJZk+KqFa7 cNFZP8i6DOOD/DXX0FYh++5DP46dYcLL39GbgmJ3PRn1PT0YVWe1YbkQ4SCS69MaI/CP Y4dA== X-Gm-Message-State: AOAM530q9gVPVa/JMmJWf4E96eUiwWg7npMIGQMX57/Lo8Vag7Z8+VVb tOcXh8hVo8mOYOQ1Iufjp9AO+YBmYUAhkQ== X-Google-Smtp-Source: ABdhPJxlvAd3g12NPD/NckVQxV9n5xxNN4w370JOlHoR0WtWW+bxpBmjN351j47COW66sBENw55jtw== X-Received: by 2002:a17:90a:1188:b0:1bd:36d0:d7b2 with SMTP id e8-20020a17090a118800b001bd36d0d7b2mr3151245pja.223.1646724018837; Mon, 07 Mar 2022 23:20:18 -0800 (PST) Received: from localhost.localdomain (cpe-50-113-46-110.hawaii.res.rr.com. [50.113.46.110]) by smtp.gmail.com with ESMTPSA id p125-20020a622983000000b004f6c5d58225sm13790899pfp.90.2022.03.07.23.20.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Mar 2022 23:20:18 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 06/33] target/nios2: Do not create TCGv for control registers Date: Mon, 7 Mar 2022 21:19:38 -1000 Message-Id: <20220308072005.307955-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220308072005.307955-1-richard.henderson@linaro.org> References: <20220308072005.307955-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::636 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Cc: marex@denx.de, peter.maydell@linaro.org, amir.gonnen@neuroblade.ai Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We don't need to reference them often, and when we do it is just as easy to load/store from cpu_env directly. Signed-off-by: Richard Henderson --- target/nios2/translate.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/target/nios2/translate.c b/target/nios2/translate.c index fe21bf45af..cefdcea81e 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -103,7 +103,7 @@ typedef struct DisasContext { int mem_idx; } DisasContext; -static TCGv cpu_R[NUM_CORE_REGS]; +static TCGv cpu_R[NUM_GP_REGS]; static TCGv cpu_pc; typedef struct Nios2Instruction { @@ -453,6 +453,7 @@ static void callr(DisasContext *dc, uint32_t code, uint32_t flags) static void rdctl(DisasContext *dc, uint32_t code, uint32_t flags) { R_TYPE(instr, code); + TCGv t1, t2; if (!gen_check_supervisor(dc)) { return; @@ -472,10 +473,19 @@ static void rdctl(DisasContext *dc, uint32_t code, uint32_t flags) * must perform the AND here, and anywhere else we need the * guest value of ipending. */ - tcg_gen_and_tl(cpu_R[instr.c], cpu_R[CR_IPENDING], cpu_R[CR_IENABLE]); + t1 = tcg_temp_new(); + t2 = tcg_temp_new(); + tcg_gen_ld_tl(t1, cpu_env, + offsetof(CPUNios2State, regs[CR_IPENDING])); + tcg_gen_ld_tl(t2, cpu_env, + offsetof(CPUNios2State, regs[CR_IENABLE])); + tcg_gen_and_tl(cpu_R[instr.c], t1, t2); + tcg_temp_free(t1); + tcg_temp_free(t2); break; default: - tcg_gen_mov_tl(cpu_R[instr.c], cpu_R[instr.imm5 + CR_BASE]); + tcg_gen_ld_tl(cpu_R[instr.c], cpu_env, + offsetof(CPUNios2State, regs[instr.imm5 + CR_BASE])); break; } } @@ -512,7 +522,8 @@ static void wrctl(DisasContext *dc, uint32_t code, uint32_t flags) dc->base.is_jmp = DISAS_UPDATE; /* fall through */ default: - tcg_gen_mov_tl(cpu_R[instr.imm5 + CR_BASE], v); + tcg_gen_st_tl(v, cpu_env, + offsetof(CPUNios2State, regs[instr.imm5 + CR_BASE])); break; } #endif @@ -900,7 +911,7 @@ void nios2_tcg_init(void) { int i; - for (i = 0; i < NUM_CORE_REGS; i++) { + for (i = 0; i < NUM_GP_REGS; i++) { cpu_R[i] = tcg_global_mem_new(cpu_env, offsetof(CPUNios2State, regs[i]), regnames[i]); -- 2.25.1