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authorRichard Henderson <rth@redhat.com>2011-01-19 09:20:26 -0800
committerRichard Henderson <rth@gcc.gnu.org>2011-01-19 09:20:26 -0800
commitc25a21f58196ce9746f137ad7e95858e5836f01a (patch)
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parent36846b26721512effe580079a9ef6b982c651cb8 (diff)
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mn10300: Expose the MDR register to register allocation.
Note that nothing uses the "z" constraint yet except the one move pattern; this merely defines the register class properly. From-SVN: r169007
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