On Sun, 24 Jul 2011, Ronald S. Bultje wrote:
>On Sat, Jul 23, 2011 at 8:19 PM, Loren Merritt <lor...@u.washington.edu> wrote:
>> On Sat, 23 Jul 2011, Ronald S. Bultje wrote:
>>> + mov r6m, r11
>>
>> Keep it in a register.
>
> Since I already use r10/r11, I will need another register. Is it worth
> pushing r12 to the stack (on x86-64) so it's free for my own use, or
> should I keep using r6m in that case?
push+pop outside the loop is better than memory uop inside.
--Loren Merritt
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