------- Comment #17 from dberlin at gcc dot gnu dot org 2009-02-05 16:41
-------
Subject: Re: [4.3/4.4 Regression]
-fprofile-generate = huge SCCs for PRE
Ugh.
It might make sense to just replace the hash table implementation we
use with something better (simple power of 2, key-value stuff instead
of what we have now)
I've found in my testing that it can be quite a time sink.
On Thu, Feb 5, 2009 at 11:30 AM, bonzini at gnu dot org
<gcc-bugzi...@gcc.gnu.org> wrote:
>
>
> ------- Comment #16 from bonzini at gnu dot org 2009-02-05 16:30 -------
> Not much. The remaining compile-time hogs (~25%) are the pre_expr and
> expr_pred_trans hash tables.
>
>
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>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35639
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