re PR bootstrap/59913 ([4.9 Regresion] bootstrap failure on arm-linux-gnueabihf)

re PR bootstrap/59913 ([4.9 Regresion] bootstrap failure on arm-linux-gnueabihf)

2014-02-04  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/59913
	* lra-constraints.c (need_for_split_p): Use more 3 reloads as
	threshold for pseudo splitting.
	(update_ebb_live_info): Process call argument hard registers and
	hard registers from insn definition too.
	(max_small_class_regs_num): New constant.
	(inherit_in_ebb): Update live hard regs through EBBs.  Update
	reloads_num only for small register classes.  Don't split for
	outputs of jumps.

From-SVN: r207485