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Re: PPC questions
- From: Peter Bergner <bergner at vnet dot ibm dot com>
- To: Ian Lance Taylor <iant at google dot com>
- Cc: Jan Beulich <jbeulich at novell dot com>, Alan Modra <amodra at bigpond dot net dot au>, Geoff Keating <geoffk at geoffk dot org>, binutils at sourceware dot org
- Date: Wed, 17 Dec 2008 10:33:37 -0600
- Subject: Re: PPC questions
- References: <494624DE.76E4.0078.0@novell.com> <m3d4fscf5p.fsf@google.com>
On Tue, 2008-12-16 at 07:29 -0800, Ian Lance Taylor wrote:
> When I first wrote the PowerPC assembler port, it only accepted
> numbers, because that was how the AIX assembler behaved. If you
> wanted names you needed to use .S files and #define (the header file
> with the #define's is gcc/config/rs6000/ppc-asm.h). Somebody later
> added the ability to use register names, along with the -mregnames and
> -mno-regnames options.
>
> I don't know anything about the Power7 patch, but I assume it was an
> oversight that the new register names were not listed in the
> pre_defined_registers table.
I didn't know about gcc/config/rs6000/ppc-asm.h when I submitted the
POWER7 patch. I'll work on patching that to support them.
Peter