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Re: ppc64 floating point usage [was Re: PPC64 Compiler bug !!]
- From: Eric Christopher <echristo at redhat dot com>
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Sat, 09 Aug 2003 17:15:21 -0700
- Subject: Re: ppc64 floating point usage [was Re: PPC64 Compiler bug !!]
- References: <200308092327.TAA06402@makai.watson.ibm.com>
> Quoting the GCC Internals Manual, Machine Descriptions, Operand
> Constraints, Constraint Modifier Characters:
>
> "*
> Says that the following character should be ignored when choosing
> register preferences. * has no effect on the meaning of the
> constraint as a constraint, and no effect on reloading."
>
> Reload will ensure that the instruction matches its constraints.
Right, I'd read that, I'm not big on having reload fix up such things,
but via our conversation on irc I see where you're going :)
-eric
--
Eric Christopher <echristo@redhat.com>