mn10300: Expose the MDR register to register allocation.
authorRichard Henderson <rth@redhat.com>
Wed, 19 Jan 2011 17:20:26 +0000 (09:20 -0800)
committerRichard Henderson <rth@gcc.gnu.org>
Wed, 19 Jan 2011 17:20:26 +0000 (09:20 -0800)
commitc25a21f58196ce9746f137ad7e95858e5836f01a
tree8b9cb1eaac9aab8109ba4fa93d67bce380d4992b
parent36846b26721512effe580079a9ef6b982c651cb8
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
gcc/ChangeLog
gcc/config/mn10300/constraints.md
gcc/config/mn10300/mn10300.c
gcc/config/mn10300/mn10300.h
gcc/config/mn10300/mn10300.md