[PATCHv2 2/4] gas/arc: Additional work to support multiple arc_opcode chains

[Nick Clifton]

Hi Andrew,

> gas/ChangeLog:
> 
> 	* config/tc-arc.c (arc_find_opcode): Now returns
> 	arc_opcode_hash_entry pointer.
> 	(find_opcode_match): Update argument type, extract arc_opcode from
> 	incoming arc_opcode_hash_entry.
> 	(find_special_case_pseudo): Update return type.
> 	(find_special_case_flag): Update return type.
> 	(find_special_case): Update return type.
> 	(assemble_tokens): Lookup arc_opcode_hash_entry based on
> 	instruction mnemonic, then use find_opcode_match to identify
> 	specific arc_opcode.

Approved - please apply.

Cheers
  Nick