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P4 style multiplication eflags

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@481 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-12-02 22:01:31 +00:00
parent 5e809a8095
commit d36cd60e6c
4 changed files with 49 additions and 24 deletions
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10
target-i386/translate.c
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@ -2016,31 +2016,35 @@ static uint8_t *disas_insn(DisasContext *s, uint8_t *pc_start)
switch(ot) {
case OT_BYTE:
gen_op_mulb_AL_T0();
s->cc_op = CC_OP_MULB;
break;
case OT_WORD:
gen_op_mulw_AX_T0();
s->cc_op = CC_OP_MULW;
break;
default:
case OT_LONG:
gen_op_mull_EAX_T0();
s->cc_op = CC_OP_MULL;
break;
}
s->cc_op = CC_OP_MUL;
break;
case 5: /* imul */
switch(ot) {
case OT_BYTE:
gen_op_imulb_AL_T0();
s->cc_op = CC_OP_MULB;
break;
case OT_WORD:
gen_op_imulw_AX_T0();
s->cc_op = CC_OP_MULW;
break;
default:
case OT_LONG:
gen_op_imull_EAX_T0();
s->cc_op = CC_OP_MULL;
break;
}
s->cc_op = CC_OP_MUL;
break;
case 6: /* div */
switch(ot) {
@ -2235,7 +2239,7 @@ static uint8_t *disas_insn(DisasContext *s, uint8_t *pc_start)
gen_op_imulw_T0_T1();
}
gen_op_mov_reg_T0[ot][reg]();
s->cc_op = CC_OP_MUL;
s->cc_op = CC_OP_MULB + ot;
break;
case 0x1c0:
case 0x1c1: /* xadd Ev, Gv */