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bh=ujtgSY45ospJjakzud3ukSnLoFm01n4BLS2olICm0ug=; b=achZNCTXM0k/YXCOw4KNhoEhIHpwE55oAlPvN7tSrTfaxPa0ArZy3S0jAnQQ7foVwIrxOG h6EA16w8tCFoU+vrbKf/XJxEFCqdNU7JYWVeWoPRIjBc8nRLEZoKDmJT2b8t+KsmbYVJpV 5pNzvqXV0oTrRt8iVWqTCrqGVNFwjOM= X-MC-Unique: vjBg0UPTM4uG4hiOolIwSA-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, paul@nowt.org Subject: [PATCH 17/17] target/i386: add a8-af, b8-bf opcodes Date: Wed, 24 Aug 2022 19:32:50 +0200 Message-Id: <20220824173250.232491-11-pbonzini@redhat.com> In-Reply-To: <20220824173123.232018-1-pbonzini@redhat.com> References: <20220824173123.232018-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1661363087995100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Paolo Bonzini --- target/i386/tcg/decode-new.c.inc | 16 +++++++++++++++ target/i386/tcg/decode-old.c.inc | 2 +- target/i386/tcg/emit.c.inc | 35 +++++++++++++++++++++++++++++++- 3 files changed, 51 insertions(+), 2 deletions(-) diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.= c.inc index 1e607b68fa..832a8d8d25 100644 --- a/target/i386/tcg/decode-new.c.inc +++ b/target/i386/tcg/decode-new.c.inc @@ -742,8 +742,24 @@ static X86OpEntry A2_08_FF[16][8] =3D { X86_OP_ENTRY0(LAHF), }, { + X86_OP_ENTRY2(AND, 0,b, I,b, nowb), /* AL, Ib */ + X86_OP_ENTRY2(AND, 0,v, I,z, nowb), /* rAX, Iz */ + X86_OP_ENTRY2(STOS, Y,b, 0,b), + X86_OP_ENTRY2(STOS, Y,v, 0,v), + X86_OP_ENTRY2(LODS, 0,b, X,b, nowb), + X86_OP_ENTRY2(LODS, 0,v, X,v, nowb), + X86_OP_ENTRY2(SCAS, 0,b, Y,b, nowb), + X86_OP_ENTRY2(SCAS, 0,v, Y,v, nowb), }, { + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), + X86_OP_ENTRY3(MOV, LoBits,v, I,v, None, None), }, { }, diff --git a/target/i386/tcg/decode-old.c.inc b/target/i386/tcg/decode-old.= c.inc index 69ce70d141..d17671b8eb 100644 --- a/target/i386/tcg/decode-old.c.inc +++ b/target/i386/tcg/decode-old.c.inc @@ -1822,7 +1822,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) #else use_new &=3D b <=3D limit; #endif - if (use_new && b <=3D 0x7f) { + if (use_new && b <=3D 0xbf) { return disas_insn_new(s, cpu, b); } case 0x0f: diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc index 22f2fbde79..1d4f63322e 100644 --- a/target/i386/tcg/emit.c.inc +++ b/target/i386/tcg/emit.c.inc @@ -229,7 +229,7 @@ static void gen_BOUND(DisasContext *s, CPUX86State *env= , X86DecodedInsn *decode) =20 static void gen_CALLF(DisasContext *s, CPUX86State *env, X86DecodedInsn *d= ecode) { - MemOp ot =3D decode->op[1].ot; + MemOp ot =3D decode->op[2].ot; unsigned int selector, offset; =20 if (CODE64(s)) { @@ -237,6 +237,7 @@ static void gen_CALLF(DisasContext *s, CPUX86State *env= , X86DecodedInsn *decode) return; } =20 + assert(ot >=3D MO_16); offset =3D insn_get(env, s, ot); selector =3D insn_get(env, s, MO_16); tcg_gen_movi_tl(s->T0, selector); @@ -403,6 +404,16 @@ static void gen_LEA(DisasContext *s, CPUX86State *env,= X86DecodedInsn *decode) tcg_gen_mov_tl(s->T0, s->A0); } =20 +static void gen_LODS(DisasContext *s, CPUX86State *env, X86DecodedInsn *de= code) +{ + MemOp ot =3D decode->op[0].ot; + if (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) { + gen_repz_lods(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base); + } else { + gen_lods(s, ot); + } +} + static void gen_MOV(DisasContext *s, CPUX86State *env, X86DecodedInsn *dec= ode) { /* nothing to do! */ @@ -564,6 +575,28 @@ static void gen_SBB(DisasContext *s, CPUX86State *env,= X86DecodedInsn *decode) gen_alu_op(s, OP_SBBL, decode->op[0].ot); } =20 +static void gen_SCAS(DisasContext *s, CPUX86State *env, X86DecodedInsn *de= code) +{ + MemOp ot =3D decode->op[0].ot; + if (s->prefix & PREFIX_REPNZ) { + gen_repz_scas(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base,= 1); + } else if (s->prefix & PREFIX_REPZ) { + gen_repz_scas(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base,= 0); + } else { + gen_scas(s, ot); + } +} + +static void gen_STOS(DisasContext *s, CPUX86State *env, X86DecodedInsn *de= code) +{ + MemOp ot =3D decode->op[0].ot; + if (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) { + gen_repz_stos(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base); + } else { + gen_stos(s, ot); + } +} + static void gen_SUB(DisasContext *s, CPUX86State *env, X86DecodedInsn *dec= ode) { gen_alu_op(s, OP_SUBL, decode->op[0].ot); --=20 2.37.1