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[69.222.133.165]) by smtp.gmail.com with ESMTPSA id f84sm33383540oig.43.2019.08.09.21.13.33 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 09 Aug 2019 21:13:34 -0700 (PDT) From: Jan Bobek To: qemu-devel@nongnu.org Date: Sat, 10 Aug 2019 00:12:44 -0400 Message-Id: <20190810041255.6820-29-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 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::341 Subject: [Qemu-devel] [RFC PATCH v2 28/39] target/i386: introduce P*, N*, Q* (MMX) operands 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: Jan Bobek , =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP These address the MMX-technology register file; the corresponding cpu_env offset is passed as the operand value. Notably, offset of the entire register is pased at all times, regardless of the operand-size suffix. Signed-off-by: Jan Bobek --- target/i386/translate.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/target/i386/translate.c b/target/i386/translate.c index 9896f1c99e..19b92d61f6 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -4801,6 +4801,43 @@ INSNOP_LDST(RqMq, Rq, Mq, NULL, INSNOP_LDST_UNIFY(Ed, Rd, RdMd) INSNOP_LDST_UNIFY(Eq, Rq, RqMq) +/* + * MMX registers + */ +#define INSNOP_INIT_MM(mmid_fp) \ + do { \ + const int mmid = mmid_fp(env, s, modrm); \ + INSNOP_INIT_OK(offsetof(CPUX86State, fpregs[mmid].mmx)); \ + } while (0) + +#define INSNOP_MM(opT, init_stmt) \ + INSNOP(opT, uint32_t, \ + init_stmt, \ + INSNOP_PREPARE_NOOP, \ + INSNOP_FINALIZE_NOOP) + +INSNOP_MM(P, INSNOP_INIT_MM(decode_modrm_reg_norexr)) +INSNOP_ALIAS(Pd, P) +INSNOP_ALIAS(Pq, P) + +INSNOP_MM(N, INSNOP_INIT_DIRECT_ONLY(INSNOP_INIT_MM(decode_modrm_rm_norexb))) +INSNOP_ALIAS(Nd, N) +INSNOP_ALIAS(Nq, N) + +INSNOP_LDST(NdMd, Nd, Md, offsetof(CPUX86State, mmx_t0), + (assert(ptr == s->A0), + gen_ldd_env_A0(s, reg + offsetof(MMXReg, MMX_L(0)))), + (assert(ptr == s->A0), + gen_std_env_A0(s, reg + offsetof(MMXReg, MMX_L(0))))) +INSNOP_LDST(NqMq, Nq, Mq, offsetof(CPUX86State, mmx_t0), + (assert(ptr == s->A0), + gen_ldq_env_A0(s, reg + offsetof(MMXReg, MMX_Q(0)))), + (assert(ptr == s->A0), + gen_stq_env_A0(s, reg + offsetof(MMXReg, MMX_Q(0))))) + +INSNOP_LDST_UNIFY(Qd, Nd, NdMd) +INSNOP_LDST_UNIFY(Qq, Nq, NqMq) + /* * Code generators */