re PR target/30040 (-mtune=native is wrong for Core 2 Duo and Core Duo)

re PR target/30040 (-mtune=native is wrong for Core 2 Duo and Core Duo)

2006-12-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/30040
	* config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
	(bit_SSSE3): New.
	(host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
	processor detection.

	* config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
	-march=native if there is no -mtune=*.

	* config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
	coretypes.h.

From-SVN: r119454