From: Paolo Bonzini <paolo.bonzini@polimi.it>
To: Steven Bosscher <stevenb@suse.de>
Cc: gcc@gcc.gnu.org
Subject: Re: Compile-time and execution-time impact of CSE - some numbers
Date: Tue, 31 Aug 2004 21:03:00 -0000 [thread overview]
Message-ID: <1093985632.4134e5600d3ab@webmail.polimi.it> (raw)
In-Reply-To: <200408311550.27667.stevenb@suse.de>
> The second step would be to
> make cse.c use the CFG (ie. FOR_BB_INSNS/BB_HEAD/BB_ END/etc.) instead
> of relying on block notes.
Block notes are the lesser problem. It's using barriers and labels to detect
edge types, that would drive me nuts :-)
> Next you'd clean up the path following code
> to track back only to the last visited block before following a jump.
Is it different from a very low --param max-cse-path-length?
Paolo
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prev parent reply other threads:[~2004-08-31 20:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-31 13:52 Paolo Bonzini
2004-08-31 14:39 ` Steven Bosscher
2004-08-31 21:03 ` Paolo Bonzini [this message]
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