gcc/

	* config.gcc (mips*-mti-linux*, mips64*-*-linux*, mipsisa64*-*-linux*)
	(mips*-*-linux*): Move default with_llsc setting to where other
	defaults are set.
	(mips*-*-vxworks*): Move with_arch default from with_cpu block to
	with_arch block.
	(mips64r5900-*-*, mips64r5900el-*-*, mipsr5900-*-*, mipsr5900el-*-*):
	Likewise.  Remove default with_tune setting.  Move default float
	setting to its own block.  Handle with_llsc in the same block as above.

From-SVN: r200139