2013-08-19 Richard Sandiford <rdsandiford@googlemail.com>
+ * config/tc-mips.c (normalize_constant_expr): Move further up file.
+ (normalize_address_expr): Likewise.
+ (match_insn, match_mips16_insn): New functions, split out from...
+ (mips_ip, mips16_ip): ...here.
+
+2013-08-19 Richard Sandiford <rdsandiford@googlemail.com>
+
* config/tc-mips.c (operand_reg_mask, match_operand): Handle
OP_OPTIONAL_REG.
(mips_ip, mips16_ip): Use mips_optional_operand_p to check