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Implement ColdFire ff1.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2883 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2007-05-28 02:20:34 +00:00
parent 5fc4adf6ce
commit 821f7e7610
2 changed files with 14 additions and 1 deletions
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10
target-m68k/op.c
View File

@ -170,6 +170,16 @@ OP(btest)
FORCE_RET();
}
OP(ff1)
{
uint32_t arg = get_op(PARAM2);
int n;
for (n = 32; arg; n--)
arg >>= 1;
set_op(PARAM1, n);
FORCE_RET();
}
OP(subx_cc)
{
uint32_t op1 = get_op(PARAM1);

5
target-m68k/translate.c
View File

@ -1929,7 +1929,10 @@ DISAS_INSN(shift_reg)
DISAS_INSN(ff1)
{
cpu_abort(NULL, "Unimplemented insn: ff1");
int reg;
reg = DREG(insn, 0);
gen_logic_cc(s, reg);
gen_op_ff1(reg, reg);
}
static int gen_get_sr(DisasContext *s)