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ALTIVECPIM/D
6/1999
Rev. 0
AltiVec
™
Technology
Programming Interface Manual
™
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© Motorola Inc. 1999. All rights reserved.
Overview
1
High-Level Language Interface
2
Application Binary Interface
3
AltiVec Operations and Predicates
4
AltiVec Instruction Set/Operations/Predicates Cross-Reference
A
Glossary of Terms and Abbreviations
GLO
Index
IND
1
Overview
2
High-Level Language Interface
3
Application Binary Interface
4
AltiVec Operations and Predicates
A
AltiVec Instruction Set/Operations/Predicates Cross-Reference
GLO
Glossary of Terms and Abbreviations
IND
Index
CONTENTS
Paragraph
Number
Title
Page
Number
Audience .............................................................................................................. xvi
Organization......................................................................................................... xvi
Suggested Reading.............................................................................................. xvii
PowerPC Documentation................................................................................ xvii
General Information....................................................................................... xviii
Chapter 1
Overview
1.1
1.2
High-Level Language Interface ........................................................................... 1-1
Application Binary Interface (ABI) ..................................................................... 1-2
Chapter 2
High-Level Language Interface
2.1
2.2
2.2.1
2.2.2
2.3
2.3.1
2.3.2
2.3.3
2.4
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
2.4.6
2.5
2.5.1
2.5.2
2.5.3
2.5.4
2.6
Data Types ........................................................................................................... 2-1
New Keywords..................................................................................................... 2-2
The Keyword and Predefine Method............................................................... 2-2
The Context Sensitive Keyword Method......................................................... 2-3
Alignment ............................................................................................................ 2-3
Alignment of Vector Types ............................................................................. 2-3
Alignment of Non-Vector Types ..................................................................... 2-3
Alignment of Aggregates and Unions Containing Vector Types .................... 2-3
Extensions of C/C++ Operators for the New Types ............................................ 2-4
sizeof() ............................................................................................................. 2-4
Assignment ...................................................................................................... 2-4
Address Operator ............................................................................................. 2-4
Pointer Arithmetic............................................................................................ 2-4
Pointer Dereferencing ...................................................................................... 2-4
Type Casting .................................................................................................... 2-5
New Operators ..................................................................................................... 2-5
Vector Literals ................................................................................................. 2-5
Vector Literals and Casts................................................................................. 2-6
Value for Adjusting Pointers ........................................................................... 2-7
New Operators Representing AltiVec Operations........................................... 2-7
Programming Interface ........................................................................................ 2-8
Chapter 3
Application Binary Interface (ABI)
3.1
3.2
Data Representation ............................................................................................. 3-1
Register Usage Conventions ................................................................................ 3-1
MOTOROLA
Contents
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