From: Richard Henderson <rth@redhat.com>
To: Mike Stump <mrs@apple.com>
Cc: Marco Morandini <morandini@aero.polimi.it>,
gcc@gcc.gnu.org, gcc-patches@gcc.gnu.org
Subject: Re: PATCH: Re: A user question (was: Re: Faster compilation speed)
Date: Tue, 13 Aug 2002 19:53:00 -0000 [thread overview]
Message-ID: <20020813195314.G23595@redhat.com> (raw)
In-Reply-To: <B66700BC-AF19-11D6-96AC-000393941EE6@apple.com>
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~
next prev parent reply other threads:[~2002-08-13 19:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-13 10:34 Marco Morandini
2002-08-13 10:47 ` Marco Morandini
2002-08-13 14:29 ` Mike Stump
2002-08-13 17:06 ` PATCH: " Mike Stump
2002-08-13 19:53 ` Richard Henderson [this message]
2002-08-14 4:10 ` Michael Matz
2002-08-14 4:42 ` Michael Matz
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