diff options
Diffstat (limited to 'include/xtensa-isa.h')
| -rw-r--r-- | include/xtensa-isa.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/xtensa-isa.h b/include/xtensa-isa.h index 2dc11b9..025e317 100644 --- a/include/xtensa-isa.h +++ b/include/xtensa-isa.h @@ -755,6 +755,19 @@ xtensa_interface_inout (xtensa_isa isa, xtensa_interface intf); 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); + /* Functional Units. */ |