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Re: mainline "exploding"

From: Jan Hubicka <jh at suse dot cz>
To: Jeff Sturm <jsturm at one-point dot com>
Cc: Jan Hubicka <jh at suse dot cz>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Mon, 20 Oct 2003 17:09:11 +0200
Subject: Re: mainline "exploding"
References: <20031019180444.GE6212@kam.mff.cuni.cz> <Pine.LNX.4.44.0310201057360.9708-100000@ops2.one-point.com>

> On Sun, 19 Oct 2003, Jan Hubicka wrote:
> > Hmm, on the other hand the function size estimates is much larger on tree-ssa
> > branch because of new nodes introduced by gimplification process.  I
> > will write proper generic code size estimation soonish so we can see
> > better comparisons then.
> 
> Curious... is this merely for comparison with mainline?  My naive
> expectation is that we could get better code size estimates from GIMPLE
> than GENERIC.

Of course the bootom line of all this is that performance comparsions to
mainline compiler when inlining is performed should be taken curefully.
The amount of code optimized by both compilers is no longer comparable.

Honza
> 
> Jeff
>

References:
- Re: mainline "exploding"
  - From: Jan Hubicka
- Re: mainline "exploding"
  - From: Jeff Sturm

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