About "define_expand" having names which are not standard pattern names.

[David Edelsohn]

>>>>> mike  writes:

mike> I know that "define_expand" is used to expand the standard pattern
mike> name into multiple RTL, but the name "sse2_loadsd" is not a standard
mike> pattern name. What does this kind of "define_expand" mean?

	Not all pattern names must use standard pattern names.  Named
patterns can be invoked by name.  Look at the other references to
gen_sse2_loadsd and CODE_for_sse2_loadsd.

David