[PATCH, i386]: Implement SImode/DImode setcc insn patterns

[H.J. Lu]

On Mon, Oct 12, 2009 at 9:05 AM, Paolo Bonzini <bonzini@gnu.org> wrote:
> On Mon, Oct 12, 2009 at 17:45, H.J. Lu <hjl.tools@gmail.com> wrote:
>> On Mon, Oct 12, 2009 at 8:24 AM, Uros Bizjak <ubizjak@gmail.com> wrote:
>>>>
>>>>  /* X86_TUNE_PARTIAL_FLAG_REG_STALL */
>>>>  m_CORE2 | m_GENERIC,
>>>
>>> This flag was added by H.J., let's ask him.
>>>
>>
>> I added this for Core 2. We can leave Pentium Pro out.
>
> Yeah, but why? Doesn't ppro have partial flag register stalls as well?
>

It is a new optimization for Core 2. I don't remember it was recommended
for Pentium Pro.


-- 
H.J.