+2010-10-22 Paul Koning <ni1d@arrl.net>
+
+ * config/pdp11/pdp11.h (IRA_COVER_CLASSES): Define.
+
2010-10-22 Richard Henderson <rth@redhat.com>
* config/i386/i386.c (ix86_builtin_vectorized_function): Add
#define INDEX_REG_CLASS GENERAL_REGS
#define BASE_REG_CLASS GENERAL_REGS
+/* The following macro defines cover classes for Integrated Register
+ Allocator. Cover classes is a set of non-intersected register
+ classes covering all hard registers used for register allocation
+ purpose. Any move between two registers of a cover class should be
+ cheaper than load or store of the registers. The macro value is
+ array of register classes with LIM_REG_CLASSES used as the end
+ marker. */
+
+#define IRA_COVER_CLASSES { GENERAL_REGS, FPU_REGS, LIM_REG_CLASSES }
+
/* Given an rtx X being reloaded into a reg required to be
in class CLASS, return the class of reg to actually use.
In general this is just CLASS; but on some machines