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Re: GCC-generated code and i386 condition codes behavior

From: Richard Henderson <rth at redhat dot com>
To: baford at mit dot edu
Cc: gcc at gcc dot gnu dot org
Date: Tue, 25 Oct 2005 15:30:19 -0700
Subject: Re: GCC-generated code and i386 condition codes behavior
References: <28932467.1130186393749.JavaMail.root@vms076.mailsrvcs.net>

On Mon, Oct 24, 2005 at 03:39:53PM -0500, Bryan Ford wrote:
> My question: does GCC-generated code ever actually depend on this aspect of 
> the x86 architecture - i.e., on instructions that architecturally change some 
> but not all condition codes _not_ changing those bits that they're not 
> supposed to change?

No.


r~

References:
- GCC-generated code and i386 condition codes behavior
  - From: Bryan Ford

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