powerpc parse_cpu

[Nick Clifton]

Hi Ryan,

> Is it an intentional requirement that -maltivec or -mspe be specified 
> after the cpu type?

No I do not believe so.  I think that it is just that this case was never checked.

I am going to check in the attached patch which fixes this behaviour and which 
adds a test to the gas testsuite to make sure that the problem does not arise 
again in the future.

Cheers
   Nick

gas/ChangeLog
2008-01-04  Nick Clifton  <nickc@redhat.com>

	* config/tc-ppc.c (parse_cpu): Preserve the settings of the
	PPC_OPCODE_ALTIVEC and PPC_OPCODE_SPE flags.

gas/testsuite/ChangeLog
2008-01-04  Nick Clifton  <nickc@redhat.com>

	* gas/ppc/altivec_and_spe.s: New test - checks that ISA extension
	command line options (-maltivec, -mspe) can be specified before
	CPU selection command line options.
	* gas/ppc/altivec_and_spe.d: Expected disassembly.
	* gas/ppc/ppc.exp: Run the new test
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