Register Allocator query.

[Zack Weinberg]

Leon Taylor <leon_taylor_007@yahoo.co.in> writes:
> As I understood, the purpose of creating stack pseudos rather than
> hard stack slots is that they might get a color during subsequent
> pass (thus not needing a stack slot). They should be hard slots only
> in non-optimizing compile. Or perhaps based on heuristics.  What
> heuristics are chosen ?

Also, we want to be able to optimize the layout of the stack frame.
Avoiding assigning hard slots until after register allocation makes
this possible.

zw