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Re: GCC-generated code and i386 condition codes behavior
- From: Bryan Ford <baford at mit dot edu>
- To: Richard Henderson <rth at redhat dot com>, gcc at gcc dot gnu dot org
- Date: Fri, 04 Nov 2005 12:15:10 +0100
- Subject: Re: GCC-generated code and i386 condition codes behavior
- References: <28932467.1130186393749.JavaMail.root@vms076.mailsrvcs.net><20051025223019.GC16782@redhat.com>
Hi Richard,
On Wednesday 26 October 2005 00:30, Richard Henderson wrote:
> 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.
Excellent - thanks very much for responding!
Bryan