bfd/

bfd/
	* Makefile.am (BFD32_BACKENDS, BFD32_BACKENDS_CFILES): Move MIPS ELF
	files to...
	(BFD64_BACKENDS, BFD64_BACKENDS_CFILES): ...here.
	* Makefile.in: Regenerate.
	* config.bfd: Enclose all MIPS ELF targets in #ifdef BFD64.
	Set want64 to true for them at the end.
	* targets.c (_bfd_target_vector): Protect MIPS ELF targets with
	#ifdef BFD64.

gas/
	* config/tc-mips.c: Assert that offsetT and valueT are at least
	8 bytes in size.
	(GPR_SMIN, GPR_SMAX): New macros.
	(macro, mips_ip): Remove code for 4-byte valueT and offsetT.

ld/
	* Makefile.am (ALL_EMULATION_SOURCES): Move MIPS ELF emulations to...
	(ALL_64_EMULATION_SOURCES): ...here.
	* Makefile.in: Regenerate.