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[69.222.133.165]) by smtp.gmail.com with ESMTPSA id 206sm16077696ywk.44.2019.07.31.10.57.42 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 31 Jul 2019 10:57:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1ekAymW7+Pf7uZP93T+0YUhPCN4vlbqsaROZQAkd+Pc=; b=vLAJzI/Gy5CDj9uzV67TJXjYqi91u5IaoAwEmdLazhBP53Kshly3KTKVVr+3Wt2CV0 S7ia4psPrHlb0J5wGTTQLUEn8Cw961L3E/wNy+6NYru7t34EZAecOy3gAzKygc+1Q5LU wvFFee4rhf2SDejdCJ7DuJ/I/8f5HRIhM7E3ph7MH9SjtL7OgYdsE2MTLAXAtUUY4EeN epiwzukbPji/fm5DsG4h6viCJGRpBNIIWv6o49v20qCf/vj99eYkzbE0jhzB4j1cJxoj B7Yyq3vOPs+9gCT4Obtmp8SbLv3pxFn7DES9ye/R07zSv3udi3C+rNVsyzilzYMkvTiY vBbw== 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=1ekAymW7+Pf7uZP93T+0YUhPCN4vlbqsaROZQAkd+Pc=; b=gG4GjW7DgUtxH3cmj7xJRiUT5EsyIXUp6ObEa6A80iyats70UTu46mRBKcjy1vjMz2 wB6DEOEvUWU1h3k62R0ilwo9gSCZM5UCFbMjb7dCR+3/hJl6jtHVddQl+ZeIdoFDiiQO DF0JApo9PgQoM+Ag70+TqhdXp3IuGUAiHrX4NoNHEJdMYGTUFTMIFjUtnQzrXxUejwUD l4ERR2zV8Svf6QILphkVee20SrkNjceeLoeZjx+mF0XqyeUhUdQvY74Pl50iuKiPEL8f SmYdvMu5BOaDdrtG8aqKcbh6kQXvJ6LkMwxKx5KOfcL4/qRZtmwLNze8CkOoXPeYrJ5S ij0w== X-Gm-Message-State: APjAAAVJXMEgGqgGi/4leUbLx2svZ6h3GILaX6tezOsk5HfLWP0herlT F0h9iM8Dfp6cWDcU4V23QFJhOcJf X-Google-Smtp-Source: APXvYqxcgi5vg/dBb/ht+KVNhlnMTd4CbsgxEP+QeCYTIx9xJHI6hs8C6tg9ZOyxBEOupWBmjvSnNA== X-Received: by 2002:a25:d05:: with SMTP id 5mr43380216ybn.200.1564595863127; Wed, 31 Jul 2019 10:57:43 -0700 (PDT) From: Jan Bobek To: qemu-devel@nongnu.org Date: Wed, 31 Jul 2019 13:56:45 -0400 Message-Id: <20190731175702.4916-6-jan.bobek@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190731175702.4916-1-jan.bobek@gmail.com> References: <20190731175702.4916-1-jan.bobek@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::b43 Subject: [Qemu-devel] [RFC PATCH v1 05/22] target/i386: introduce gen_ld_modrm_* helpers 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?Alex=20Benn=C3=A9e?= , Richard Henderson , Jan Bobek Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" These help with decoding/loading ModR/M vector operands; the operand's register offset is returned, which is suitable for use with gvec infrastructure. Signed-off-by: Jan Bobek Reviewed-by: Richard Henderson --- target/i386/translate.c | 47 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/target/i386/translate.c b/target/i386/translate.c index 9e22eca2dc..7548677e1f 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -3040,6 +3040,53 @@ static const struct SSEOpHelper_eppi sse_op_table7[2= 56] =3D { [0xdf] =3D AESNI_OP(aeskeygenassist), }; =20 +static inline void gen_ld_modrm_PqQq(CPUX86State *env, DisasContext *s, in= t modrm, + uint32_t* dofs, uint32_t* aofs) +{ + const int mod =3D (modrm >> 6) & 3; + const int reg =3D (modrm >> 3) & 7; /* no REX_R */ + *dofs =3D offsetof(CPUX86State, fpregs[reg].mmx); + + if(mod =3D=3D 3) { + const int rm =3D modrm & 7; /* no REX_B */ + + *aofs =3D offsetof(CPUX86State, fpregs[rm].mmx); + } else { + *aofs =3D offsetof(CPUX86State, mmx_t0); + + gen_lea_modrm(env, s, modrm); + gen_ldq_env_A0(s, *aofs); + } +} + +static inline void gen_ld_modrm_VxWx(CPUX86State *env, DisasContext *s, in= t modrm, + uint32_t* dofs, uint32_t* aofs) +{ + const int mod =3D (modrm >> 6) & 3; + const int reg =3D ((modrm >> 3) & 7) | REX_R(s); + *dofs =3D offsetof(CPUX86State, xmm_regs[reg]); + + if(mod =3D=3D 3) { + const int rm =3D (modrm & 7) | REX_B(s); + + *aofs =3D offsetof(CPUX86State, xmm_regs[rm]); + } else { + *aofs =3D offsetof(CPUX86State, xmm_t0); + + gen_lea_modrm(env, s, modrm); + gen_ldo_env_A0(s, *aofs); /* FIXME this needs to load 32 bytes for= YMM */ + } +} + +static inline void gen_ld_modrm_VxHxWx(CPUX86State *env, DisasContext *s, = int modrm, + uint32_t* dofs, uint32_t* aofs, uin= t32_t* bofs) +{ + assert(s->prefix & PREFIX_VEX); + + gen_ld_modrm_VxWx(env, s, modrm, dofs, bofs); + *aofs =3D offsetof(CPUX86State, xmm_regs[s->vex_v]); +} + static void gen_sse(CPUX86State *env, DisasContext *s, int b) { int b1, op1_offset, op2_offset, is_xmm, val; --=20 2.20.1