Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- target/i386/tcg/decode-new.c.inc | 16 ++++++ target/i386/tcg/decode-old.c.inc | 2 +- target/i386/tcg/emit.c.inc | 86 ++++++++++++++++++++++++++++++++ 3 files changed, 103 insertions(+), 1 deletion(-)
diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.c.inc index 161a3b1554..6892000aaf 100644 --- a/target/i386/tcg/decode-new.c.inc +++ b/target/i386/tcg/decode-new.c.inc @@ -637,8 +637,24 @@ static X86OpEntry A2_08_FF[16][8] = { X86_OP_ENTRYw(POP, LoBits,d64), }, { + X86_OP_ENTRYr(PUSH, I,z), + X86_OP_ENTRY3(IMUL, G,v, E,v, I,z, nowb), + X86_OP_ENTRYr(PUSH, I,b), + X86_OP_ENTRY3(IMUL, G,v, E,v, I,b, nowb), + X86_OP_ENTRY2(INS, Y,b, 2,w, nowb), /* DX */ + X86_OP_ENTRY2(INS, Y,z, 2,w, nowb), /* DX */ + X86_OP_ENTRY2(OUTS, 2,w, X,b, nowb), /* DX */ + X86_OP_ENTRY2(OUTS, 2,w, X,b, nowb), /* DX */ }, { + X86_OP_ENTRYr(Jcc, J,b), + X86_OP_ENTRYr(Jcc, J,b), + X86_OP_ENTRYr(Jcc, J,b), + X86_OP_ENTRYr(Jcc, J,b), + X86_OP_ENTRYr(Jcc, J,b), + X86_OP_ENTRYr(Jcc, J,b), + X86_OP_ENTRYr(Jcc, J,b), + X86_OP_ENTRYr(Jcc, J,b), }, { }, diff --git a/target/i386/tcg/decode-old.c.inc b/target/i386/tcg/decode-old.c.inc index a297d126a4..7763bef11d 100644 --- a/target/i386/tcg/decode-old.c.inc +++ b/target/i386/tcg/decode-old.c.inc @@ -1821,7 +1821,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) #else use_new &= b <= limit; #endif - if (use_new && b <= 0x5f) { + if (use_new && b <= 0x7f) { 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 cf606e74c7..ae82ebd8c9 100644 --- a/target/i386/tcg/emit.c.inc +++ b/target/i386/tcg/emit.c.inc @@ -246,11 +246,74 @@ static void gen_DEC(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) gen_alu_op(s, OP_DECL, decode->op[0].ot); } +static void gen_IMUL(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) +{ + int reg = decode->op[0].n; + MemOp ot = decode->op[0].ot; + + switch (ot) { +#ifdef TARGET_X86_64 + case MO_64: + tcg_gen_muls2_i64(cpu_regs[reg], s->T1, s->T0, s->T1); + tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[reg]); + tcg_gen_sari_tl(cpu_cc_src, cpu_cc_dst, 63); + tcg_gen_sub_tl(cpu_cc_src, cpu_cc_src, s->T1); + break; +#endif + case MO_32: + tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); + tcg_gen_trunc_tl_i32(s->tmp3_i32, s->T1); + tcg_gen_muls2_i32(s->tmp2_i32, s->tmp3_i32, + s->tmp2_i32, s->tmp3_i32); + tcg_gen_extu_i32_tl(cpu_regs[reg], s->tmp2_i32); + tcg_gen_sari_i32(s->tmp2_i32, s->tmp2_i32, 31); + tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[reg]); + tcg_gen_sub_i32(s->tmp2_i32, s->tmp2_i32, s->tmp3_i32); + tcg_gen_extu_i32_tl(cpu_cc_src, s->tmp2_i32); + break; + default: + tcg_gen_ext16s_tl(s->T0, s->T0); + tcg_gen_ext16s_tl(s->T1, s->T1); + /* XXX: use 32 bit mul which could be faster */ + tcg_gen_mul_tl(s->T0, s->T0, s->T1); + tcg_gen_mov_tl(cpu_cc_dst, s->T0); + tcg_gen_ext16s_tl(s->tmp0, s->T0); + tcg_gen_sub_tl(cpu_cc_src, s->T0, s->tmp0); + gen_op_mov_reg_v(s, ot, reg, s->T0); + break; + } + set_cc_op(s, CC_OP_MULB + ot); +} + static void gen_INC(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) { gen_alu_op(s, OP_INCL, decode->op[0].ot); } +static void gen_INS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) +{ + MemOp ot = decode->op[0].ot; + + tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T1); + if (!gen_check_io(s, ot, s->tmp2_i32, + SVM_IOIO_TYPE_MASK | SVM_IOIO_STR_MASK)) { + return; + } + + if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } + if (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) { + gen_repz_ins(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base); + /* jump generated by gen_repz_ins */ + } else { + gen_ins(s, ot); + if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { + gen_jmp(s, s->pc - s->cs_base); + } + } +} + static void gen_Jcc(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) { target_ulong next_eip = s->pc - s->cs_base; @@ -273,6 +336,29 @@ static void gen_OR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) gen_alu_op(s, OP_ORL, decode->op[0].ot); } +static void gen_OUTS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) +{ + MemOp ot = decode->op[1].ot; + + tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); + if (!gen_check_io(s, ot, s->tmp2_i32, SVM_IOIO_STR_MASK)) { + return; + } + + if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } + if (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) { + gen_repz_outs(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base); + /* jump generated by gen_repz_ins */ + } else { + gen_outs(s, ot); + if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { + gen_jmp(s, s->pc - s->cs_base); + } + } +} + static void gen_PUSH(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) { gen_push_v(s, decode->op[2].v); -- 2.37.1