Staggering execution of a single packed data instruction using the same circuit
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United States of America Patent
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Aug 2, 2005
Issued Date -
N/A
app pub date -
Oct 20, 2003
filing date -
Mar 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus are disclosed for staggering execution of an instruction. According to one embodiment of the invention, a macro instruction specifying an operation, and specifying a first and a second data operand in first and second registers, respectively, is received. The macro instruction is then split into a first micro instruction and a second micro instruction, the first micro instruction specifying the operation on a first corresponding segment including a first portion of the first data operand and a first portion of the second data operand, and the second micro instruction specifying the operation on a second corresponding segment including a second portion of the first data operand and a second portion of the second data operand. The first and second micro instructions are then executed.
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