re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)

2011-04-05  Tom de Vries  <tom@codesourcery.com>

	PR target/43920
	* function.c (emit_use_return_register_into_block): New function.
	(thread_prologue_and_epilogue_insns): Use
	emit_use_return_register_into_block.

From-SVN: r171977