Back to results
US 8,285,975 B2Granted
Register file with separate registers for compiler code and low level code
AssigneeBroadcom Europe Limited
InventorsStephen Barlow, Neil Bailey, Timothy Ramsdale, David Plowman, Robert Swann
Life of this patent
Estimating the term…
Abstract
A processor core comprising an execution unit and a register file, said register file comprising a first plurality of registers accessible to a compiler generated code and a second plurality of registers which can not be accessed by a compiler generated code, whereby the registers of said second plurality of registers are accessible to a low level code.
Claims12
A processor core comprising:
- an execution unit for executing a plurality of instructions;
- and
- a register file comprising:
- a first plurality of registers accessible to the plurality of instructions;
- and
- a dedicated register, wherein only one opcode in the plurality of instructions is able to read from the dedicated register and write to the dedicated register.
3 more elements
A processor core comprising:
- a compiler for compiling instructions;
- and
- a register file having a plurality of registers, wherein one register in the plurality of registers is a dedicated register, and wherein only one opcode is able to read from the dedicated register and write to the dedicated register.
Dependencies are inferred from the claim text.