rtl.c (currently_expanding_to_rtl): New.

rtl.c (currently_expanding_to_rtl): New.

	* rtl.c (currently_expanding_to_rtl): New.
	* rtl.h (currently_expanding_to_rtl): Export it.
	* cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.

	* config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
	inliner hack.
	* config/sh/sh.c: Replace rtx_equal_function_value_matters
	with currently_expanding_to_rtl.
	* config/sh/sh.md: Likewise.
	* config/ia64/ia64.c (got_symbolic_operand): Likewise.

From-SVN: r85287