Purpose

Indicates that a PC codes for a successful operation.

Indicates that a PC codes for a failed operation. This represents ordinary failure, not "catastrophic" failure which requires an off-ramp.

Indicates that a PC codes for an off-ramp.

Indicates that a PC codes for an on-ramp.

This target address is not directly used here, but is converted to an integer constant so it can be passed elsewhere, typically to an L2_CREATE_CONTINUATION.