gcc/

2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/cpuid.h (bit_MOVBE): New.

	* config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.

	* config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
	(OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mmovbe.
	(ix86_target_string): Add -mmovbe.
	(pta_flags): Add PTA_MOVBE.
	(processor_alias_table): Add PTA_MOVBE to "atom".
	(override_options): Handle PTA_MOVBE.

	* config/i386/i386.h (TARGET_MOVBE): New.

	* config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
	(*bswapsi_movbe): New.
	(*bswapdi_movbe): Likewise.
	(bswapdi2): Renamed to ...
	(*bswapdi_1): This.
	(bswapdi2): New expander.

	* config/i386/i386.opt (mmovbe): New.

	* doc/invoke.texi: Document -mmovbe.

gcc/testsuite/

2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/movbe-1.c: New.
	* gcc.target/i386/movbe-2.c: Likewise.

From-SVN: r147773