Pre-Grant Publication Number: 20070130448
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Prior Art Detail
Summary / Description
| Summary / Description | Describes a method of virtually executing instructions. If virtual execution changes the internal state (registers) of the computer, then the instruction must be actually executed, else the instuction can be deleted. |
Basic Information
| Type of Prior Art | Issued Patents - US |
| Country | United States of America |
| Patent/Application # | 5644769 |
| Kind Code | United States (US) - United STATES Patent - A |
| Patentee Name | Matsutshita Electrical Industrial Co., Ltd. |
| Relevant Pages, Columns, or Lines | pp. 7-9; claim 1 |
| URL | |
| Filing Date | August 19, 1996 |
| Additional Information | |
Notes / To Do
| Notes | |
Excerpt
Excerpt Starting line 60, Col.2: "According to the above basic construction, for each instruction of the program, the internal state of the computer which is settled by the virtual execution of the instruction is extracted and stored. If the settled internal state is identical with at least a part of that for a prior instruction, namely if the instruction substantially overlaps a prior instruction, the instruction is judged to be an unnecessary instruction." |
Relevance
Claims
22
A system comprising:
a memory to store a plurality of instructions; and
a processor core to execute the plurality of instructions, the processor core comprising:
a predicator unit to predict whether to replace memory communication with register-register communication based on information stored in a stack tracker structure; and
a stack tracker to update the stack tracker structure based on an access to a stack pointer.
Relevance
Appears this claim 22 is broad in that it describes a unit performing computing logic.
Appears this claim 22 is broad in that it describes a unit performing computing logic.
Claim Chart
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