mips.c (mips_valid_offset_p): New function.

gcc/
	* config/mips/mips.c (mips_valid_offset_p): New function.
	(mips_valid_lo_sum_p): Likewise.
	(mips_classify_address): Use them.
	(mips_force_address): New function.
	(mips_legitimize_address): Use it.
	* config/mips/mips.md (MOVE128): New mode iterator.
	(movtf): Require TARGET_64BIT.  Remove empty strings.
	(*movtf_internal): Rename to...
	(*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
	of "R" and use {,fp}{load,store} attributes instead of "multi".
	Use a separate define_split.
	(*movtf_mips16): New pattern.

gcc/testsuite/
	* gcc.target/mips/fpr-moves-7.c: New test.
	* gcc.target/mips/fpr-moves-8.c: New test.

From-SVN: r136253