Revision 31501a71 target-i386/translate.c

b/target-i386/translate.c
6573 6573 
            ot = dflag + OT_WORD;
6574 6574 
            modrm = ldub_code(s->pc++);
6575 6575 
            reg = ((modrm >> 3) & 7) | rex_r;
6576 
            gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
6576 
            gen_ldst_modrm(s,modrm, ot, OR_TMP0, 0);
6577 6577 
            gen_extu(ot, cpu_T[0]);
6578 
            label1 = gen_new_label();
6579 
            tcg_gen_movi_tl(cpu_cc_dst, 0);
6580 6578 
            t0 = tcg_temp_local_new();
6581 6579 
            tcg_gen_mov_tl(t0, cpu_T[0]);
6582 
            tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, label1);
6583 
            if (b & 1) {
6584 
                gen_helper_bsr(cpu_T[0], t0);
6580 
            if ((b & 1) && (prefixes & PREFIX_REPZ) &&
6581 
                (s->cpuid_ext3_features & CPUID_EXT3_ABM)) {
6582 
                switch(ot) {
6583 
                case OT_WORD: gen_helper_lzcnt(cpu_T[0], t0,
6584 
                    tcg_const_i32(16)); break;
6585 
                case OT_LONG: gen_helper_lzcnt(cpu_T[0], t0,
6586 
                    tcg_const_i32(32)); break;
6587 
                case OT_QUAD: gen_helper_lzcnt(cpu_T[0], t0,
6588 
                    tcg_const_i32(64)); break;
6589 
                }
6590 
                gen_op_mov_reg_T0(ot, reg);
6585 6591 
            } else {
6586 
                gen_helper_bsf(cpu_T[0], t0);
6592 
                label1 = gen_new_label();
6593 
                tcg_gen_movi_tl(cpu_cc_dst, 0);
6594 
                tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, label1);
6595 
                if (b & 1) {
6596 
                    gen_helper_bsr(cpu_T[0], t0);
6597 
                } else {
6598 
                    gen_helper_bsf(cpu_T[0], t0);
6599 
                }
6600 
                gen_op_mov_reg_T0(ot, reg);
6601 
                tcg_gen_movi_tl(cpu_cc_dst, 1);
6602 
                gen_set_label(label1);
6603 
                tcg_gen_discard_tl(cpu_cc_src);
6604 
                s->cc_op = CC_OP_LOGICB + ot;
6587 6605 
            }
6588 
            gen_op_mov_reg_T0(ot, reg);
6589 
            tcg_gen_movi_tl(cpu_cc_dst, 1);
6590 
            gen_set_label(label1);
6591 
            tcg_gen_discard_tl(cpu_cc_src);
6592 
            s->cc_op = CC_OP_LOGICB + ot;
6593 6606 
            tcg_temp_free(t0);
6594 6607 
        }
6595 6608 
        break;

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