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[88.10.103.241]) by smtp.gmail.com with ESMTPSA id r13sm10551180wrt.10.2021.01.07.14.26.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Jan 2021 14:26:11 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: libvir-list@redhat.com, Paolo Bonzini , Laurent Vivier , kvm@vger.kernel.org, Jiaxun Yang , Aurelien Jarno , Huacai Chen , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aleksandar Rikalo , Paul Burton , Richard Henderson Subject: [PULL 38/66] target/mips: Simplify msa_reset() Date: Thu, 7 Jan 2021 23:22:25 +0100 Message-Id: <20210107222253.20382-39-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210107222253.20382-1-f4bug@amsat.org> References: <20210107222253.20382-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Call msa_reset() unconditionally, but only reset the MSA registers if MSA is implemented. Reviewed-by: Jiaxun Yang Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Tested-by: Jiaxun Yang Message-Id: <20201208003702.4088927-3-f4bug@amsat.org> --- target/mips/cpu.c | 5 +---- target/mips/cpu-defs.c.inc | 4 ++++ 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/target/mips/cpu.c b/target/mips/cpu.c index 45375ebc45c..4c590b90b25 100644 --- a/target/mips/cpu.c +++ b/target/mips/cpu.c @@ -531,10 +531,7 @@ static void mips_cpu_reset(DeviceState *dev) env->hflags |= MIPS_HFLAG_M16; } - /* MSA */ - if (ase_msa_available(env)) { - msa_reset(env); - } + msa_reset(env); compute_hflags(env); restore_fp_status(env); diff --git a/target/mips/cpu-defs.c.inc b/target/mips/cpu-defs.c.inc index 535d4c0c702..fe0f47aadf8 100644 --- a/target/mips/cpu-defs.c.inc +++ b/target/mips/cpu-defs.c.inc @@ -978,6 +978,10 @@ static void mvp_init(CPUMIPSState *env) static void msa_reset(CPUMIPSState *env) { + if (!ase_msa_available(env)) { + return; + } + #ifdef CONFIG_USER_ONLY /* MSA access enabled */ env->CP0_Config5 |= 1 << CP0C5_MSAEn; -- 2.26.2