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Tue, 13 Jul 2021 09:42:14 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id z13sm4947865pfn.94.2021.07.13.09.42.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jul 2021 09:42:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 03/14] target/i386: Split out do_fninit Date: Tue, 13 Jul 2021 09:42:00 -0700 Message-Id: <20210713164211.1520109-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210713164211.1520109-1-richard.henderson@linaro.org> References: <20210713164211.1520109-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102c; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102c.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Do not call helper_fninit directly from helper_xrstor. Do call the new helper from do_fsave. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/i386/tcg/fpu_helper.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/target/i386/tcg/fpu_helper.c b/target/i386/tcg/fpu_helper.c index 74bbe94b80..beb63be432 100644 --- a/target/i386/tcg/fpu_helper.c +++ b/target/i386/tcg/fpu_helper.c @@ -727,7 +727,7 @@ void helper_fwait(CPUX86State *env) } } -void helper_fninit(CPUX86State *env) +static void do_fninit(CPUX86State *env) { env->fpus = 0; env->fpstt = 0; @@ -742,6 +742,11 @@ void helper_fninit(CPUX86State *env) env->fptags[7] = 1; } +void helper_fninit(CPUX86State *env) +{ + do_fninit(env); +} + /* BCD ops */ void helper_fbld_ST0(CPUX86State *env, target_ulong ptr) @@ -2451,18 +2456,7 @@ static void do_fsave(CPUX86State *env, target_ulong ptr, int data32, ptr += 10; } - /* fninit */ - env->fpus = 0; - env->fpstt = 0; - cpu_set_fpuc(env, 0x37f); - env->fptags[0] = 1; - env->fptags[1] = 1; - env->fptags[2] = 1; - env->fptags[3] = 1; - env->fptags[4] = 1; - env->fptags[5] = 1; - env->fptags[6] = 1; - env->fptags[7] = 1; + do_fninit(env); } void helper_fsave(CPUX86State *env, target_ulong ptr, int data32) @@ -2834,7 +2828,7 @@ void helper_xrstor(CPUX86State *env, target_ulong ptr, uint64_t rfbm) if (xstate_bv & XSTATE_FP_MASK) { do_xrstor_fpu(env, ptr, ra); } else { - helper_fninit(env); + do_fninit(env); memset(env->fpregs, 0, sizeof(env->fpregs)); } } -- 2.25.1