gcc/

gcc/
	* caller-save.c: Include rtl-iter.h.
	(add_used_regs_1): Delete.
	(add_used_regs): Use FOR_EACH_SUBRTX rather than for_each_rtx
	to iterate over subrtxes.  Assert that any remaining pseudos
	have been spilled.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214621 138bc75d-0d04-0410-961f-82ee72b054a4