Message ID | 20190810041255.6820-36-jan.bobek@gmail.com |
---|---|
State | New |
Headers | show
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[69.222.133.165]) by smtp.gmail.com with ESMTPSA id f84sm33383540oig.43.2019.08.09.21.13.41 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 09 Aug 2019 21:13:41 -0700 (PDT) From: Jan Bobek <jan.bobek@gmail.com> To: qemu-devel@nongnu.org Date: Sat, 10 Aug 2019 00:12:51 -0400 Message-Id: <20190810041255.6820-36-jan.bobek@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190810041255.6820-1-jan.bobek@gmail.com> References: <20190810041255.6820-1-jan.bobek@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::343 Subject: [Qemu-devel] [RFC PATCH v2 35/39] target/i386: introduce UdqMq operand X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Jan Bobek <jan.bobek@gmail.com>, =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, Richard Henderson <richard.henderson@linaro.org> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
rewrite MMX/SSE instruction translation
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expand
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diff --git a/target/i386/translate.c b/target/i386/translate.c index 97614e5941..5802b324f0 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -4876,6 +4876,11 @@ INSNOP_LDST(UqMq, Uq, Mq, offsetof(CPUX86State, xmm_t0), gen_ldq_env_A0(s, reg + offsetof(ZMMReg, ZMM_Q(0)))), (assert(ptr == s->A0), gen_stq_env_A0(s, reg + offsetof(ZMMReg, ZMM_Q(0))))) +INSNOP_LDST(UdqMq, Udq, Mq, offsetof(CPUX86State, xmm_t0), + (assert(ptr == s->A0), + gen_ldq_env_A0(s, reg + offsetof(ZMMReg, ZMM_Q(0)))), + (assert(ptr == s->A0), + gen_stq_env_A0(s, reg + offsetof(ZMMReg, ZMM_Q(0))))) INSNOP_LDST(UdqMdq, Udq, Mdq, offsetof(CPUX86State, xmm_t0), (assert(ptr == s->A0), gen_ldo_env_A0(s, reg)), (assert(ptr == s->A0), gen_sto_env_A0(s, reg)))
The MOVHLPS instruction has a special operand: it reads the high quadword of the source operand (hence it requires the full double-quadword width), but if the operand is indirect, only 64-bits are read from memory. Introduce UdqMq operand to address this case. Signed-off-by: Jan Bobek <jan.bobek@gmail.com> --- target/i386/translate.c | 5 +++++ 1 file changed, 5 insertions(+)