On 01/17/13 03:39, Bin.Cheng wrote:
On Thu, Jan 17, 2013 at 1:29 AM, Jan Hubicka wrote:
Basic blocks 8/9/10 are identical and live until pass jump2, which is
after register allocation.
I think these duplicated BBs do not contain additional information and
should be better to be removed ASAP, b
On Thu, Jan 17, 2013 at 1:29 AM, Jan Hubicka wrote:
>> >
>> >Basic blocks 8/9/10 are identical and live until pass jump2, which is
>> >after register allocation.
>> >I think these duplicated BBs do not contain additional information and
>> >should be better to be removed ASAP, because they might i
> >
> >Basic blocks 8/9/10 are identical and live until pass jump2, which is
> >after register allocation.
> >I think these duplicated BBs do not contain additional information and
> >should be better to be removed ASAP, because they might interfere with
> >other passes like ifcvt.
> >
> >So should
On 01/16/2013 02:28 AM, Bin.Cheng wrote:
Hi,
For below simple function from newlib:
static int
is_option (char *argv_element, int only)
{
return ((argv_element == 0)
|| (argv_element[0] == '-') || (only && argv_element[0] == '+'));
}
The expanded rtl is like:
9: NOTE_INSN_BASIC_
Hi,
For below simple function from newlib:
static int
is_option (char *argv_element, int only)
{
return ((argv_element == 0)
|| (argv_element[0] == '-') || (only && argv_element[0] == '+'));
}
The expanded rtl is like:
9: NOTE_INSN_BASIC_BLOCK 2
2: r113:SI=r0:SI
3: r114:SI=r1