bug in combine_stack_adjustments

[Richard Henderson]

On Fri, Mar 17, 2000 at 03:22:59PM -0700, Jeffrey A Law wrote:
> Why shouldn't we be using call-pop?

Because the standard unix ABI has the caller pop. 

The call_pop pattern is kind of a lie -- it's not the caller's
call insn that pops, but rather the callee's return insn.  So
it's not something we can arbitrarily change.

>   > And this shouldn't have matched single_set, so I shouldn't
>   > have been looking at it at all...  I wonder what went wrong...
> It's only got one set.....

Grr.  Seems like a bug in single_set to me.  It's hardly the
same thing.


r~