RISC-V ISA Explorer · Memory & Addressing

Supm: User Pointer Masking

Ratified 2024-10 · version 1.0.0

Makes hardware ignore tag bits in the upper part of user-mode addresses, so tagged pointers still dereference.

Typical use: Tagged pointers in user-mode software

Specification

Dependencies

Requires

• U

Instructions

No instruction encodings are listed for this extension in the catalogue.