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Re: Speedup count_or_remove_death_notes


On Mon, 24 Nov 2003 law@redhat.com wrote:
> This is not strictly a bugfix, so I have not checked it into the mainline
> sources.  It has been checked into the tree-ssa branch.

We also have bad performance regressions on mainline -- in fact, PR8361
originally was created to track these...

> Mark -- if you want me to check in this change, let me know.

...so I do recommend this patch for mainline as well.  It addresses a
high priority PR and regression compared to previous releases.

>         * flow.c (count_or_remove_death_notes_bb): New.  Extracted from
>         count_or_remove_death_notes.
>         (count_or_remove_death_notes): Use EXECUTE_IF_SET_IN_SBITMAP.

Gerald


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