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This article's factual accuracy may be compromised due to out-of-date information. Please help update this article to reflect recent events or newly available information. (March 2017)
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Incomputer engineering, a load–store unit (LSU) is a specialized execution unit responsible for executing all load and store instructions, generating virtual addresses of load and store operations[1][2][3] and loading data from memory or storing it back to memory from registers.[4]
The load–store unit usually includes a queue which acts as a waiting area for memory instructions, and the unit itself operates independently of other processor units.[4]
Load–store units may also be used in vector processing, and in such cases the term『load–store vector』may be used.[5]
Some load–store units are also capable of executing simple fixed-point and/or integer operations.
