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loop insn fix for non x86 hosts

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1305 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-02-21 20:23:59 +00:00
parent 194884dd6f
commit 0b9dc5e4c3
3 changed files with 9 additions and 6 deletions
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5
target-i386/op.c
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@ -1366,6 +1366,11 @@ void OPPROTO op_set_cc_op(void)
CC_OP = PARAM1;
}
void OPPROTO op_mov_T0_cc(void)
{
T0 = cc_table[CC_OP].compute_all();
}
/* XXX: clear VIF/VIP in all ops ? */
void OPPROTO op_movl_eflags_T0(void)

8
target-i386/ops_template.h
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@ -339,18 +339,14 @@ void OPPROTO glue(op_jle_sub, SUFFIX)(void)
void OPPROTO glue(op_loopnz, SUFFIX)(void)
{
int eflags;
eflags = cc_table[CC_OP].compute_all();
if ((DATA_TYPE)ECX != 0 && !(eflags & CC_Z))
if ((DATA_TYPE)ECX != 0 && !(T0 & CC_Z))
GOTO_LABEL_PARAM(1);
FORCE_RET();
}
void OPPROTO glue(op_loopz, SUFFIX)(void)
{
int eflags;
eflags = cc_table[CC_OP].compute_all();
if ((DATA_TYPE)ECX != 0 && (eflags & CC_Z))
if ((DATA_TYPE)ECX != 0 && (T0 & CC_Z))
GOTO_LABEL_PARAM(1);
FORCE_RET();
}

2
target-i386/translate.c
View File

@ -5271,6 +5271,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
gen_op_jz_ecx[s->aflag](l1);
} else {
gen_op_dec_ECX[s->aflag]();
if (b <= 1)
gen_op_mov_T0_cc();
gen_op_loop[s->aflag][b](l1);
}