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[216.228.167.147]) by smtp.gmail.com with ESMTPSA id k4sm16074pgr.87.2020.08.25.14.00.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2020 14:00:12 -0700 (PDT) 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=rMh4Sqcir06bVXs74gHMdeUNg4a+HHCVID7KGWDrg3A=; b=pLeGcz39VQ2b4YB7GhbRNmfrp8ZshjAHxpsJAi3TKvDx5mX+YuHdarLDS9gIsv/sxi 3fJYgbkzWbQYgfaRtPCcm1+taontYWQY3lp3Ciw2/N9GPWu51+JaVLVOqso9GqAMvpaT IsgNHN61Oh9WOBGhN3Oqfkod9DDsLACn7u4p//HC6B59Cw+UvFEGue8B5rxLZFVjbtDc UhUBWHlFc8Aose560U9udDL94QTStqVVWUoMp92xUxykDHZvWAnt1MK3Tu1KuW6l7IfG ErcVlTqE2QwZpwnCMuzLxLjxGxOOvNc3QdK7l2QwZ1rsLKehkV9ak1WKQRwJlpMQ5mH5 x4lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rMh4Sqcir06bVXs74gHMdeUNg4a+HHCVID7KGWDrg3A=; b=LWHKvs0W96QUu3a9qK2VGAUt+/tnPNH4pN8TzR3msaCpTXe7h29yREuPcIcbYJ9fzN zNVB/h4S7P/mSKgm1R2hp5krQcf9d2iWgidU0uF7RPDJlbkUaKiSHwp36t60Z+XymIK8 66L2+x2xOjtPUupd+8q2l6ncFeG7P3PQSTJO4miYMo4Q90XSNVzt4zOIboqsVbCYAC3y ZwFXs7ep99kf8k83PBuTkyjoQwm/XAqQdKu9M9TUpmbjawX2vDaP5MYRgQISloD1QaF6 lwiqNrnv4mLpyhHEreh5ylnXFu+8BHILDngiVEpQkbRDcpSb8NO6CLyEjJ6fXghhZfG/ vqFg== X-Gm-Message-State: AOAM531mbRgCMrf8Ld1NlgvsdtxVp0uZfy3D31ytFHGKFcVuGs9aIac9 05CBou7N0tZL7+hZF4Z0RtrzqWv7yXbscg== X-Google-Smtp-Source: ABdhPJwQfSmOTc87ZFy2jjnDiDsKnD6jMgFr5+ddYoRPEWZNN3gXdlXodjX5PITbaiq1zqGkfYHyrw== X-Received: by 2002:aa7:96c8:: with SMTP id h8mr6386665pfq.108.1598389212946; Tue, 25 Aug 2020 14:00:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 16/77] target/microblaze: Fix width of FSR Date: Tue, 25 Aug 2020 13:58:49 -0700 Message-Id: <20200825205950.730499-17-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200825205950.730499-1-richard.henderson@linaro.org> References: <20200825205950.730499-1-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::543; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x543.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgar.iglesias@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" The exception status register is only 32-bits wide. Do not use a 64-bit type to represent it. Since cpu_fsr is only used during MSR and MTR instructions, we can just as easily use an explicit load and store, so eliminate the variable. Signed-off-by: Richard Henderson --- target/microblaze/cpu.h | 2 +- target/microblaze/translate.c | 11 +++++------ 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h index aaac0c9a6c..34177f9b28 100644 --- a/target/microblaze/cpu.h +++ b/target/microblaze/cpu.h @@ -240,7 +240,7 @@ struct CPUMBState { uint32_t msr; uint64_t ear; uint32_t esr; - uint64_t fsr; + uint32_t fsr; uint64_t btr; uint64_t edr; float_status fp_status; diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index f63aae6de9..3fc2feda3d 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -59,7 +59,6 @@ static TCGv_i32 cpu_pc; static TCGv_i32 cpu_msr; static TCGv_i64 cpu_ear; static TCGv_i32 cpu_esr; -static TCGv_i64 cpu_fsr; static TCGv_i64 cpu_btr; static TCGv_i64 cpu_edr; static TCGv_i32 env_imm; @@ -542,7 +541,8 @@ static void dec_msr(DisasContext *dc) tcg_gen_mov_i32(cpu_esr, cpu_R[dc->ra]); break; case SR_FSR: - tcg_gen_extu_i32_i64(cpu_fsr, cpu_R[dc->ra]); + tcg_gen_st_i32(cpu_R[dc->ra], + cpu_env, offsetof(CPUMBState, fsr)); break; case SR_BTR: tcg_gen_extu_i32_i64(cpu_btr, cpu_R[dc->ra]); @@ -583,7 +583,8 @@ static void dec_msr(DisasContext *dc) tcg_gen_mov_i32(cpu_R[dc->rd], cpu_esr); break; case SR_FSR: - tcg_gen_extrl_i64_i32(cpu_R[dc->rd], cpu_fsr); + tcg_gen_ld_i32(cpu_R[dc->rd], + cpu_env, offsetof(CPUMBState, fsr)); break; case SR_BTR: tcg_gen_extrl_i64_i32(cpu_R[dc->rd], cpu_btr); @@ -1798,7 +1799,7 @@ void mb_cpu_dump_state(CPUState *cs, FILE *f, int fla= gs) qemu_fprintf(f, "IN: PC=3D%x %s\n", env->pc, lookup_symbol(env->pc)); qemu_fprintf(f, "rmsr=3D%x resr=3D%x rear=3D%" PRIx64 " " - "debug=3D%x imm=3D%x iflags=3D%x fsr=3D%" PRIx64 " " + "debug=3D%x imm=3D%x iflags=3D%x fsr=3D%x " "rbtr=3D%" PRIx64 "\n", env->msr, env->esr, env->ear, env->debug, env->imm, env->iflags, env->fsr, @@ -1867,8 +1868,6 @@ void mb_tcg_init(void) tcg_global_mem_new_i64(cpu_env, offsetof(CPUMBState, ear), "rear"); cpu_esr =3D tcg_global_mem_new_i32(cpu_env, offsetof(CPUMBState, esr), "resr"); - cpu_fsr =3D - tcg_global_mem_new_i64(cpu_env, offsetof(CPUMBState, fsr), "rfsr"); cpu_btr =3D tcg_global_mem_new_i64(cpu_env, offsetof(CPUMBState, btr), "rbtr"); cpu_edr =3D --=20 2.25.1