gas/

gas/
	* config/tc-mips.c: Enable functions commented out in previous patch.
	(SKIP_SPACE_TABS): Move further up file.
	(mips32_to_micromips_reg_b_map, mips32_to_micromips_reg_c_map)
	(mips32_to_micromips_reg_d_map, mips32_to_micromips_reg_e_map)
	(ips32_to_micromips_reg_f_map, mips32_to_micromips_reg_g_map)
	(mips32_to_micromips_reg_l_map, mips32_to_micromips_reg_m_map)
	(mips32_to_micromips_reg_q_map, mips32_to_micromips_reg_n_map)
	(micromips_imm_b_map, micromips_imm_c_map): Delete.
	(mips_lookup_reg_pair): Delete.
	(macro): Use report_bad_range and report_bad_field.
	(mips_immed, expr_const_in_range): Delete.
	(mips_ip): Rewrite main parsing loop to use new functions.

gas/testsuite/
	* gas/mips/at-2.l: Remove duplicated $at warnings.
	* gas/mips/ext-ill.l, gas/mips/lui-1.l, gas/mips/mips32r2-ill.l,
	gas/mips/mips32r2-ill-nofp.l, gas/mips/mips32r2-ill-fp64.l,
	gas/mips/mips64r2-ill.l, gas/mips/octeon-ill.l: Update error
	messages.  Expect negative numbers to be printed as such,
	rather than as large unsigned positive numbers.