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US 2015/0309798 A1Published application
Register resource locking in a vliw processor
AssigneeBroadcom Corporation
InventorsTariq KURD, John REDFORD
Life of this patent
Estimating the term…
Abstract
An apparatus including a queue configured to store a plurality of instructions and state information indicating whether each instruction of the plurality of instructions can be performed independently of older pending instructions; and a state-selection circuit configured to set a state information of each instruction of the plurality of instructions ifs view of an older pending instruction in the queue.
Claims18
A method comprising:
- receiving, by a queue, an instruction that updates a first physical resource;
- comparing, by a state-selection circuit, the instruction against an older instruction stored in the queue and requiring a second physical resource;
- and
- setting a status, by the state-selection circuit, to indicate whether (i) the instruction can be retired independent of the older memory instruction;
- or (ii) the instruction must be retired, if at all, after the older instruction is retired.
2 more elements
An apparatus comprising:
- a queue configured to store a plurality of instructions and state information indicating whether each instruction of the plurality of instructions can be performed independently older pending instructions;
- and
- a state-selection circuit configured to set a state information of each instruction of the plurality of instructions in view of an older pending instruction in the queue.
A method comprising:
- determining, by a state-update circuit, whether each instruction in a queue is eligible to be retired;
- identifying, by the state-update circuit, one or more instructions in the queue that are eligible to be retired;
- selecting one or more instructions from the identified one or more instruction to be retired;
- and
- retiring the one or more selected instructions.
2 more elements
Dependencies are inferred from the claim text.