* combine.c (is_parallel_of_n_reg_sets): New function.
	(can_split_parallel_of_n_reg_sets): New function.
	(try_combine): If I2 is a PARALLEL of two SETs, split it into
	two insns if possible.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218248 138bc75d-0d04-0410-961f-82ee72b054a4
	* combine.c (try_combine): Use is_parallel_of_n_reg_sets some more.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218249 138bc75d-0d04-0410-961f-82ee72b054a4