Invention Grant
- Patent Title: Instruction predication using unused datapath facilities
- Patent Title (中): 指令预测使用未使用的数据通路设施
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Application No.: US13330102Application Date: 2011-12-19
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Publication No.: US09465613B2Publication Date: 2016-10-11
- Inventor: Adam J. Muff , Paul E. Schardt , Robert A. Shearer , Matthew R. Tubbs
- Applicant: Adam J. Muff , Paul E. Schardt , Robert A. Shearer , Matthew R. Tubbs
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Middleton Reutlinger
- Main IPC: G06F9/30
- IPC: G06F9/30 ; G06F9/38

Abstract:
A method and circuit arrangement for selectively predicating an instruction in an instruction stream based upon a value corresponding to a predication register address indicated by a portion of an operand associated with the instruction. A first compare instruction in an instruction stream stores a compare result in at a register address of a predication register. The register address of the predication register is stored in a portion of an operand associated with a second instruction, and during decoding the second instruction, the predication register is accessed to determine a value stored at the register address of the predication register, and the second instruction is selectively predicated based on the value stored at the register address of the predication register.
Public/Granted literature
- US20130159675A1 INSTRUCTION PREDICATION USING UNUSED DATAPATH FACILITIES Public/Granted day:2013-06-20
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