On Sun, Mar 11, 2012 at 2:06 AM, H.J. Lu <hjl.to...@gmail.com> wrote:
> On Thu, Mar 8, 2012 at 3:22 AM, Uros Bizjak <ubiz...@gmail.com> wrote:
>> On Fri, Mar 2, 2012 at 10:02 PM, H.J. Lu <hongjiu...@intel.com> wrote:
>>
>>> This patches uses word_mode instead of Pmode in loop expand since
>>> word_mode may have bigger size than Pmode. OK for trunk?
>>>
>>> Thanks.
>>>
>>> H.J.
>>> ---
>>> 2012-03-02 H.J. Lu <hongjiu...@intel.com>
>>>
>>> * config/i386/i386.c (ix86_expand_movmem): Use word_mode instead
>>> of Pmode on loop.
>>> (ix86_expand_setmem): Likwise.
>>
>> Jan, can you please comment on the changes in this patch?
>>
>
> Here is a complete updated patch to use word_mode in ix86_expand_movmem
> and ix86_expand_setmem. It also fixes ix86_zero_extend_to_Pmode to handle
> Pmode != DImode. OK for trunk?
Please rewrite ix86_zero_extend_to_Pmode to something like:
rtx tmp;
if (GET_MODE (exp) != Pmode)
tmp = convert_to_mode (Pmode, exp, 1);
return force_reg (Pmode, tmp));
Uros.
