+2004-11-12 Bob Wilson <bob.wilson@acm.org>
+
+ * xtensa-isa-internal.h (xtensa_interface_internal): Add class_id.
+ * xtensa-isa.h (xtensa_interface_class_id): New prototype.
+
2004-11-08 Inderpreet Singh <inderpreetb@nioda.hcltech.com>
Vineet Sharma <vineets@noida.hcltech.com>
const char *name; /* Interface name. */
int num_bits; /* Width of the interface. */
uint32 flags; /* See XTENSA_INTERFACE_* flags. */
+ int class_id; /* Class of related interfaces. */
char inout; /* "i" or "o". */
} xtensa_interface_internal;
extern int
xtensa_interface_has_side_effect (xtensa_isa isa, xtensa_interface intf);
+
+/* Some interfaces may be related such that accessing one interface
+ has side effects on a set of related interfaces. The interfaces
+ are partitioned into equivalence classes of related interfaces, and
+ each class is assigned a unique identifier number. This function
+ returns the class identifier for an interface, or XTENSA_UNDEFINED
+ on error. These identifiers can be compared to determine if two
+ interfaces are related; the specific values of the identifiers have
+ no particular meaning otherwise. */
+
+extern int
+xtensa_interface_class_id (xtensa_isa isa, xtensa_interface intf);
+
\f
/* Functional Units. */