Backport fix for PR6362 to 3.2.x?

[Eric Christopher]

> Is this ok for 3.2.x?
> 

OK by me. You'll need branch approval though.

> 
> 2003-02-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
> 
> 	* mips.h (FP_INC): Define.
> 
> 	Backport:
> 	2002-10-01  Richard Sandiford  <rsandifo@redhat.com>
> 	
> 		* config/mips/mips-protos.h (mips_emit_fcc_reload): Declare.
> 		* config/mips/mips.h (PREDICATE_CODES): Add fcc_register_operand.
> 		* config/mips/mips.c (fcc_register_operand): New function.
> 		(mips_emit_fcc_reload): New function, extracted from reload_incc.
> 		* cnfig/mips/mips.md (reload_incc): Change destination prediate
> 		to fcc_register_operand.  Remove misleading source constraint.
> 		Use mips_emit_fcc_reload.
> 		(reload_outcc): Duplicate reload_incc.
> 
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