[PATCH] [MIPS] Reject $0 as source register for DAUI instruction

[Nick Clifton]

Hi Faraz,

> gas/
> 	* testsuite/gas/mips/r6-branch-constraints.s: Rename to ...
> 	* testsuite/gas/mips/r6-reg-constraints.s: this and add test
> 	case for DAUI.
> 	* testsuite/gas/mips/r6-branch-constraints.l: Rename to ...
> 	* testsuite/gas/mips/r6-reg-constraints.l: this and add test
> 	for DAUI.
> 	* testsuite/gas/mips/mips.exp: Rename test from
> 	r6-branch-constraints to r6-reg-constraints.
> 
> opcodes/
> 	* mips-opc.c (mips_builtin_opcodes): Change source register
> 	constraint for DAUI.

Approved - please apply.

Cheers
  Nick