combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 / elim_i1.

combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 / elim_i1.

	* combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
	elim_i1.
	In REG_DEAD handling: When handling parts of multi-hard-reg hard
	registers, increment the loop counter by the size of the parts;
	use recursion to handle individual parts.

From-SVN: r37211