gas/

gas/
	* config/tc-mips.c (insn_uses_reg): Delete.
	(gpr_read_mask, gpr_write_mask): New functions.
	(fpr_read_mask, fpr_write_mask): Likewise.
	(insns_between, nops_for_vr4130, append_insn): Use them.

gas/testsuite/
	* gas/mips/mips16-e.d, gas/mips/mips16-f.d,
	gas/mips/mipsel16-e.d, gas/mips/mipsel16-f.d,
	gas/mips/tmips16-e.d, gas/mips/tmips16-f.d,
	gas/mips/tmipsel16-e.d, gas/mips/tmipsel16-f.d: Fix GPR mask.
	* gas/mips/reginfo-1.s, gas/mips/reginfo-1a.d,
	gas/mips/reginfo-1b.d: New tests.
	* gas/mips/mips.exp: Run them.