On 12/17/2011 2:04 AM, Kagamin wrote:
The back end will evaluate them in different orders, as it is more efficient
to evaluate varargs functions from right-to-left, and others from
left-to-right. It's not an insurmountable problem, it just needs to be worked
on.
Are you taking about push vs mov?
Yes.
By default gcc preallocates space for
arguments, evaluates them from left to right and `mov`es them to the stack.
`push`es take more cycles, `mov`s take more space. Which of them is more
efficient?
Depends on the processor.
