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1. (WO2017040087) HIERARCHICAL REGISTER FILE SYSTEM

Pub. No.:    WO/2017/040087    International Application No.:    PCT/US2016/048008
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Tue Aug 23 01:59:59 CEST 2016
IPC: G06F 9/30
G06F 9/38
Applicants: QUALCOMM INCORPORATED
Inventors: KRISHNA, Anil
SMITH, Rodney Wayne
NAVADA, Sandeep Suresh
PRIYADARSHI, Shivam
CHOUDHARY, Niket Kumar
DAMODARAN, Raguram
Title: HIERARCHICAL REGISTER FILE SYSTEM
Abstract:
Systems and methods relate to a hierarchical register file system including a level 1 physical register file (LI PRF) and a backing physical register file (PRF). A subset of ouptuts of instructions executed in an instruction pipeline of a processor which are deemed to have a high likelihood of use for one or more future instructions are identified. The subset of instruction outputs are stored in the LI PRF, while all instructon outputs are stored in the backing PRF.