Intel Corporation

Tahoe Research, Ltd.

Jim Coke

Gilbert A Neiger

Jason W Brandt

Michael Mishaeli

Asit K Mallick

Leena K Puthiyedath

Vivekananthan Sanjeepan

Atul A Khare

Mohammad A Abdallah

Srinivas Chennupaty

Patrice L Roussel

Katherine Kong

Mike Cranford

Embodiments of an invention related to compacted context state management are disclosed. In one embodiment, a processor includes instruction hardware and state management logic. The instruction hardware is to receive a first save instruction and a second save instruction. The state management logic is to, in response to the first save instruction, save context state in an un-compacted format in a first save area. The state management logic is also to, in response to the second save instruction, save a compaction mask and context state in a compacted format in a second save area and set a compacted-save indicator in the second save area. The state management logic is also to, in response to a single restore instruction, determine, based on the compacted-save indicator, whether to restore context from the un-compacted format in the first save area or from the compacted format in the second save area.

Compacted context state management

An apparatus and method for performing a shuffle operation on packed data using computer-implemented steps is described. In one embodiment, a first packed data operand having at least two data elements is accessed. A second packed data operand having at least two data elements is accessed. One of the data elements in the first packed data operand is shuffled into a lower destination field of a destination register, and one of the data elements in the second packed data operand is shuffled into an upper destination field of the destination register.

Dual function system and method for shuffling packed data elements

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Shingle Springs, CA, United States of America

Jim Coke