Tremendous increase in compile times for 3.4.1 with -mcpu=G5

[Dale Johannesen]

On Aug 10, 2004, at 6:52 PM, David Edelsohn wrote:

>>>>>> Matt Austern writes:
>
>>> local alloc           : 117.49 (86%) usr   1.09 ( 8%) sys 221.13
>>> (78%) wall
>
> Matt> This is the culprit, of course.
>
> 	And most likely due to the mixed-mode 64-bit computation / 32-bit
> ABI functionality enabled by default with -mcpu=G5

I suppose, but it's not obvious why that would cause local_alloc to do 
that
much more work.  Could we be tickling a bad algorithm in local-alloc?