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SPE Programming Documents
SPU Instruction Set Architecture
Cell Broadband Engine Public Information and Downloads
http://cell.scei.co.jp/e_download.html
Length
278 pages.
Audience
Assembly-language programmers writing application or system programs for the SPE.
Content
The instruction set architecture (ISA) implemented by the SPEs, including descriptions of instruction functions,
instruction and data formats, interrupts, and storage-access synchronization.
Recommended Use
Browse after readings of the
applications.
Document Sections
The document has the following sections:
1.
Introduction: Summarizes the SPU ISA.
2.
SPU Architectural Overview: Descriptions of the instruction and data formats.
3.
Memory – Load/Store Instructions: Descriptions of the load, store, and generate-controls instructions.
4.
Constant-Formation Instructions: Descriptions of the immediate-load instructions.
5.
Integer and Logical Instructions: Descriptions of the integer, logical, count, form-select, gather, select-bits, shuffle-
bytes, and related instructions.
6.
Shift and Rotate Instructions: Descriptions of the shift and rotate instructions.
7.
Compare, Branch, and Halt Instructions: Descriptions of the compare, branch, and halt instructions.
8.
Hint-for-Branch Instructions: Descriptions of the hint-for-branch instructions.
9.
Floating-Point Instructions: Descriptions of the floating-point instructions.
10. Control Instructions: Descriptions of the control instructions, including stop-and-signal, synchronize, and move
to/from special-purpose register (SPR).
11. Channel Instructions: Descriptions of the channel read and write instructions.
12. SPU Interrupt Facility: Descriptions of the interrupt facility.
13. Synchronization and Ordering: Descriptions of the storage-access synchronization and ordering facilities.
Recommended Prerequisites
Read or browse:
CBE Programming Handbook
C/C++ Language Extensions for CBE Architecture
Further Details
See:
SPU Assembly Language Specification
Version 1.0, August 2008
Page 14 of 16
CBE Programming Handbook
Guide to Cell/B.E. Programming Documentation
and refer to it thereafter as needed during coding of SPE
© 2008 Sony Computer Entertainment Inc. All Rights Reserved.
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