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Re: Stepanov, PowerPC, life_analysis

To: rth at redhat dot com
Subject: Re: Stepanov, PowerPC, life_analysis
From: Mark Mitchell <mark at codesourcery dot com>
Date: Sat, 09 Jun 2001 12:07:33 -0700
Cc: jbuck at synopsys dot com, gcc at gcc dot gnu dot org, dje at watson dot ibm dot com, jason at cygnus dot com
Organization: CodeSourcery, LLC
References: <200106091840.LAA07819@racerx.synopsys.com><20010609114805F.mitchell@codesourcery.com><20010609115859.C3886@redhat.com>

>>>>> "Richard" == Richard Henderson <rth@redhat.com> writes:

    Richard> On Sat, Jun 09, 2001 at 11:48:05AM -0700, Mark Mitchell
    Richard> wrote:
    >> - In rest_of_compilation, indicate where the basic-block graph
    >> is known to be valid and where it is known to be invalid.

    Richard> Unfortunately, very few of our optimizations preserve the
    Richard> CFG. 

Bummer, that's what I thought.   One of these days, we should make
them dynamically update the CFG as they go.

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

References:
- Re: Stepanov, PowerPC, life_analysis
  - From: Joe Buck
- Re: Stepanov, PowerPC, life_analysis
  - From: Mark Mitchell
- Re: Stepanov, PowerPC, life_analysis
  - From: Richard Henderson

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