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Re: [m32c-elf] losing track of register lifetime in combine?

From: Eric Botcazou <ebotcazou at libertysurf dot fr>
To: Ian Lance Taylor <iant at google dot com>
Cc: gcc at gcc dot gnu dot org, DJ Delorie <dj at redhat dot com>
Date: Tue, 7 Nov 2006 21:52:16 +0100
Subject: Re: [m32c-elf] losing track of register lifetime in combine?
References: <200611071958.kA7JwEO0005633@greed.delorie.com> <m31wofnglf.fsf@dhcp-172-18-118-195.corp.google.com>

> The problem is presumably arising from the REG_EQUAL notes.  Where are
> those being generated?  Why does this case not arise for other targets?

If the problem stems from REG_NOTEs, then it may again be a duplicate of PR 
rtl-optimization/25514.

-- 
Eric Botcazou

References:
- [m32c-elf] losing track of register lifetime in combine?
  - From: DJ Delorie
- Re: [m32c-elf] losing track of register lifetime in combine?
  - From: Ian Lance Taylor

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