2013-10-25 Vladimir Makarov <vmakarov@redhat.com>

2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>

	* config/rs6000/rs6000-protos.h
	(rs6000_secondary_memory_needed_mode): New prototype.
	* config/rs6000/rs6000.c: Include ira.h.
	(TARGET_LRA_P): Redefine.
	(rs6000_legitimate_offset_address_p): Call
	legitimate_constant_pool_address_p in strict mode for LRA.
	(rs6000_legitimate_address_p): Ditto.
	(legitimate_lo_sum_address_p): Add code for LRA.
	Use lra_in_progress.
	(rs6000_emit_move): Add LRA version of code to generate load/store
	of SDmode values.
	(rs6000_secondary_memory_needed_mode): New.
	(rs6000_alloc_sdmode_stack_slot): Do nothing for LRA.
	(rs6000_secondary_reload_class): Return NO_REGS for LRA for
	constants, memory, and FP registers.
	(rs6000_lra_p): New.
	* config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_MODE): New
	macro.
	* config/rs6000/rs6000.opt (mlra): New option.
	* lra-spills.c (lra_final_code_change): Remove useless move insns.

From-SVN: r204079