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mn10300: Expose the MDR register to register allocation.
authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 19 Jan 2011 17:20:26 +0000 (17:20 +0000)
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 19 Jan 2011 17:20:26 +0000 (17:20 +0000)
commit85a6eed4a699ef7dcb8e64f187ba5c6541aa1cf0
tree8b9cb1eaac9aab8109ba4fa93d67bce380d4992b
parentc8a596d6239c0f63b4786fa414f4091aefeeabd5
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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169007 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/config/mn10300/constraints.md
gcc/config/mn10300/mn10300.c
gcc/config/mn10300/mn10300.h
gcc/config/mn10300/mn10300.md