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Re: Subreg splitting and floating point

From: Frederic Riss <frederic dot riss at gmail dot com>
To: Ian Lance Taylor <iant at google dot com>, Jeff Law <law at redhat dot com>
Cc: gcc at gcc dot gnu dot org
Date: Thu, 6 Jan 2011 17:10:51 +0100
Subject: Re: Subreg splitting and floating point
References: <AANLkTinnrWP3UwcHyMxE70=G_eGctjSsY-jRkFBfvxb6@mail.gmail.com> <mcraajehzut.fsf@google.com> <AANLkTin4tPQRLSuXCGkt=TBXjk=wW7a16kyCG+=oxV7g@mail.gmail.com> <mcroc7ugj2m.fsf@google.com> <AANLkTikiz+Sb4X-uGipYkfzDTQXmvjeenJgoHpUmnXWf@mail.gmail.com> <mcrk4iiggux.fsf@google.com>

On 6 January 2011 17:02, Ian Lance Taylor <iant@google.com> wrote:
> Oh yeah, you should never have a subreg of a subreg. ?That's a bug.
> Where did that come from?

Oh, that's interesting information! I have a splitter for movdf that
must be the culprit. I will tighten the split condition to disallow
splitting a subreg and I bet it will fix it all.

Thanks Ian and Jeff for your time and help.

Follow-Ups:
- Re: Subreg splitting and floating point
  - From: Ian Lance Taylor

References:
- Subreg splitting and floating point
  - From: Frederic Riss
- Re: Subreg splitting and floating point
  - From: Ian Lance Taylor
- Re: Subreg splitting and floating point
  - From: Frederic Riss
- Re: Subreg splitting and floating point
  - From: Ian Lance Taylor
- Re: Subreg splitting and floating point
  - From: Frederic Riss
- Re: Subreg splitting and floating point
  - From: Ian Lance Taylor

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