[Bug target/28882] Use more register name macros in m68k port

[kazu at gcc dot gnu dot org]

------- Comment #1 from kazu at gcc dot gnu dot org  2006-08-29 06:54 -------
For cleanliness, we can define STACK_POINTER_REGNUM in terms of SP_REG.
The same would apply to FRAME_POINTER_REGNUM once we define FP_REG in m68k.md.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28882