arc.h (BITS_PER_UNIT): Removed.

2013-12-13  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* config/arc/arc.h (BITS_PER_UNIT): Removed.
	* config/bfin/bfin.h (BITS_PER_UNIT): Removed.
	* config/lm32/lm32.h (BITS_PER_UNIT): Removed.
	* config/m32c/m32c.h (BITS_PER_UNIT): Removed.
	* config/microblaze/microblaze.h (BITS_PER_UNIT): Removed.
	* config/picochip/picochip.h (BITS_PER_UNIT): Removed.
	* config/spu/spu.h (BITS_PER_UNIT): Removed.
	* defaults.h (BITS_PER_UNIT): Removed.
	* config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): New.
	* doc/rtl (BITS_PER_UNIT): Moved from tm.texi.
	(MAX_BITSIZE_MODE_ANY_INT): Updated.
	* doc/tm.texi (BITS_PER_UNIT): Removed.
	* doc/tm.texi.in (BITS_PER_UNIT): Removed.
	* genmodes.c (bits_per_unit, max_bitsize_mode_any_int): New.
	(create_modes): Added code to set bits_per_unit and
	max_bitsize_mode_any_int.
	(emit_max_int): Changed code generation.
	* mkconfig.sh: Added insn-modes.h.

From-SVN: r205964