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Re: powerpc regnames
- From: Andreas Schwab <schwab at suse dot de>
- To: Tristan Gingold <gingold at adacore dot com>
- Cc: binutils at sourceware dot org
- Date: Fri, 19 Oct 2007 11:04:37 +0200
- Subject: Re: powerpc regnames
- References: <910B3131-CE93-432B-A948-669A952F90A8@adacore.com>
Tristan Gingold <gingold@adacore.com> writes:
> Hi,
>
> when eabispe is used, gcc (head and for a long time) generates register
> names such as in:
> cror 4*%cr7+gt,4*%cr6+gt,4*%cr7+gt
>
> Unfortunately, gas (head and for a long time) doesn't like these register
> names:
>
> $ ../as-new -mspe -mregnames t.s
> t.s: Assembler messages:
> t.s:2: Error: bad expression
> t.s:2: Error: syntax error; found `c' but expected `,'
> t.s:2: Error: junk at end of line: `cr7+gt,4*%cr7+gt,4*%cr6+gt'
>
> The question is: who is right ?
> I suppose gcc is correct and gas has to be fixed. I anyone confirm I will
> work on a patch.
I think this is a bug in gcc, the '%' prefixes should not be there.
AFAIK the ppc assembler has never supported a register prefix, nor does
it need one.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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