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Re: PATCH: PR rtl-optimization/50696: [x32] Unnecessary lea

From: Paolo Bonzini <bonzini at gnu dot org>
To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
Cc: hjl dot tools at gmail dot com, gcc-patches at gcc dot gnu dot org
Date: Thu, 13 Oct 2011 12:17:10 +0200
Subject: Re: PATCH: PR rtl-optimization/50696: [x32] Unnecessary lea
Newsgroups: gmane.comp.gcc.patches
References: <20111012223450.GA11516@intel.com> <11110122240.AA07538@vlsi1.ultra.nyu.edu> <CAMe9rOrfH_SMrzhMZWX9BDTnvgVO-zhHLrwGiX-xXmkPJsV-yg@mail.gmail.com> <11110122304.AA07835@vlsi1.ultra.nyu.edu>

On 10/13/2011 01:04 AM, Richard Kenner wrote:


I still don't like the patch, but I'm no longer as familiar with the code
as I used to be so can't suggest a replacement.  Let's see what others
think about it.

Same here, I don't like it but I hardly see any alternative. The only possibility could be to prevent calling expand_compound_operation completely for addresses. Richard, what do you think? Don't worry, combine hasn't changed much since your days. :)

Paolo

Follow-Ups:
- Re: PATCH: PR rtl-optimization/50696: [x32] Unnecessary lea
  - From: Richard Kenner

References:
- PATCH: PR rtl-optimization/50696: [x32] Unnecessary lea
  - From: H.J. Lu
- Re: PATCH: PR rtl-optimization/50696: [x32] Unnecessary lea
  - From: Richard Kenner
- Re: PATCH: PR rtl-optimization/50696: [x32] Unnecessary lea
  - From: H.J. Lu
- Re: PATCH: PR rtl-optimization/50696: [x32] Unnecessary lea
  - From: Richard Kenner

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