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Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: zadeck at naturalbridge dot com
Cc: Kenneth dot Zadeck at naturalbridge dot com, bonzini at gnu dot org, dberlin at dberlin dot org, ebotcazou at libertysurf dot fr, gcc-patches at gcc dot gnu dot org, jakub at redhat dot com, mark at codesourcery dot com, stevenb dot gcc at gmail dot com
Date: Fri, 19 Oct 2007 17:44:48 EDT
Subject: Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
References: <4716FBED.803@codesourcery.com> <471744D8.20001@naturalbridge.com> <47178759.2000509@codesourcery.com> <10710182033.AA16378@vlsi1.ultra.nyu.edu> <571f6b510710181527n61bd537ci885768afb3c539e0@mail.gmail.com> <10710190151.AA20457@vlsi1.ultra.nyu.edu> <571f6b510710182229q54401eaby1ca945a556c9bf9c@mail.gmail.com> <10710191241.AA28222@vlsi1.ultra.nyu.edu> <571f6b510710190604y980dd40k2f6522e9c78e465e@mail.gmail.com> <20071019133543.GH5451@devserv.devel.redhat.com> <571f6b510710190701m6c9d9878t4d0b49ff9efb6fa7@mail.gmail.com> <4718BC60.3030506@gnu.org> <4718D332.8020200@naturalbridge.com>

> this could be too conservative, there is no reason not dce pure or const
> calls.

Agreed.

References:
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Mark Mitchell
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Kenneth Zadeck
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Mark Mitchell
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Richard Kenner
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Steven Bosscher
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Richard Kenner
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Steven Bosscher
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Richard Kenner
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Steven Bosscher
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Jakub Jelinek
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Steven Bosscher
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Paolo Bonzini
- Re: [PATCH] Fix DCE REG_LIBCALL note moving from noop move insns (PR rtl-optimization/33644)
  - From: Kenneth Zadeck

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