Fix from Dave Korn in case a backend does not declare any define_register_constraints
commit520196acbe531ccadf086d8eec034a1b1751ef63
authormeissner <meissner@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 30 Apr 2009 21:52:15 +0000 (30 21:52 +0000)
committermeissner <meissner@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 30 Apr 2009 21:52:15 +0000 (30 21:52 +0000)
tree7f7ec57d936fc17fabf30bb93ea9315f9295f198
parentd8aa9276e36a847fe14750c82126566be48a2206
Fix from Dave Korn in case a backend does not declare any define_register_constraints

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147020 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/genpreds.c
gcc/ira.c