gcc/
	* config/rs6000/rs6000.opt (mblock-move-inline-limit): New option.
	* config/rs6000/rs6000.c (rs6000_override_options): Set
	rs6000_block_move_inline_limit appropriately.
	(expand_block_move): Use rs6000_block_move_inline_limit.
	* doc/invoke.texi (mblock-move-inline-limit): Document.

gcc/testsuite/
	* gcc.target/powerpc/block-move-1.c: New test.
	* gcc.target/powerpc/block-move-2.c: New test.

From-SVN: r162344