2008-09-29  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.opt: Add msse2avx.

	* config/i386/linux.h (ASM_SPEC): New.  Support -msse2avx.
	* config/i386/linux64.h (ASM_SPEC): Likewise.

	* doc/invoke.texi: Document -msse2avx.

From-SVN: r140774