PR target/13292

	* config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040_ONLY
	on -msoft-float.
	(TARGET_FLT_EVAL_METHOD): Don't advertise extended precision for
	68040 and soft-float.
	* config/m68k/m68k.md (truncdfsf2): Explicitly require TARGET_68881
	in the TARGET_68040_ONLY case.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83268 138bc75d-0d04-0410-961f-82ee72b054a4