PATCH: Re: A user question (was: Re: Faster compilation speed)

[Richard Henderson]

On Tue, Aug 13, 2002 at 05:06:42PM -0700, Mike Stump wrote:
>       * sched-rgn.c (CHECK_DEAD_NOTES): Limit how much checking
>	we do to avoid n^2 behavior.

I don't like it.

Instead, arrange to make a single pass across the rtl removing
and counting death notes and storing the counts into an array
indexed by basic block.  The add up the counts for each block
in the region as is sort of done currently.



r~