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About Intel(R) C++ Compiler
Welcome to the Intel(R) C++ Compiler
What's New in This Release
Features and Benefits
Product Web Site and Support
System Requirements
FLEXlm* Electronic Licensing
About This Document
How to Use This Document
Related Publications
Disclaimer
Compiler Options Quick Reference Guides
Compiler Options Alphabetical Listing
Compiler Options Quick Reference Guide
Compiler Options by Functional Groups
Customizing Compilation Process Options
Alternate Tools and Locations
Preprocessing Options
Controlling Compilation Flow
Controlling Compilation Output
Debugging Options
Diagnostics and Messages
Language Conformance Options
Conformance Options
Application Performance Optimization Options
Optimization-level Options
Floating-point Arithmetic Precision
Processor Dispatch Support (IA-32 only)
Interprocedural Optimizations
Profile-guided Optimizations
High-level Language Optimizations
Vectorization
Compiler Options Cross-Reference for Windows* and Linux*
Compiler Options Cross-reference
Invoking the Intel(R) C++ Compiler
Invoking the Intel(R) C++ Compiler
Invoking the Compiler from the Command Line
Running from the Command Line with make
Default Behavior of the Compiler
Compiler Input Files
Compilation Phases
Customizing Compilation Environment
Customizing the Compilation Environment
Environment Variables
Configuration Files
Response Files
Include Files
Customizing Compilation Process
Customizing Compilation Process Overview
Specifying Alternate Tools and Paths
Preprocessing
Preprocessing Overview
Preprocessing Only
Searching for Include Files
Defining Macros
Compilation and Liking
Compilation and Linking Overview
Compiler Input and Output Options Summary
Monitoring Compiler-generated Code
Assembly File Code Example
Linking
Debugging
Debugging Options Summary
Preparing for Debugging
Support for Symbolic Debugging
Parsing for Syntax Only
Language Conformance
Conformance to the C Standard
Conformance to the C++ Standard
Optimizations
Optimization Levels
Optimization-level Options
Restricting Optimizations
Floating-point Optimizations
Floating-point Arithmetic Precision
Maintaining Floating-point Arithmetic Precision, -mp
Processor Dispatch Extensions Support (IA-32 only)
Targeting a Processor and Extensions Support Overview
Targeting a Processor (IA-32 only)
Exclusive Specialized Code (IA-32 only)
Specialized Code with -ax{i |M|K|W}
Combining Processor Target and Dispatch Options (IA-32 only)
Interprocedural Optimizations
Interprocedural Optimizations (IPO)
Multifile IPO
Multifile IPO Overview
Compilation with Real Object Files
Creating a Multifile IPO Executable
Creating a Multifile IPO Executable Using a Project Makefile
Creating a Library from IPO Objects
Analyzing the Effects of Multifile IPO
Inline Expansion of Funtions
Inline Expansion of Library Functions
Controlling Inline Expansion of User Functions
Criteria for Inline Function Expansion
Interprocedural Optimizations with -Qoption
Using -Qoptions Specificers
Using -ip witn -Qoption
Profile-guided Optimizations
Profile-guided Optimizations Overview
Profile-guided Optimizations Methodology
PGO Environment Variables
Basic Profile-guided Optimization Options
Using Profile-guided Optimization
Function Order List Usage Guidelines
Utilities for Profile-guided Optimization
High-level Language Optimizations (HLO)
HLO Overview
Loop Transformations
Loop Unrolling
Parallelization
Parallelization with OpenMP*
OpenMP* Standard Options
OpenMP* Run Time Library Routines
Intel Extensions to OpenMP*
Vectorization (IA-32 only)
Vectorization Overview
Vectorizer Options
Loop Structure Coding Background
Vectorization Key Programming Guidelines
Data Dependence
Loop Constructs
Loop Exit Conditions
Types of Loops Vectorized
Stripmining and Cleanup
Statements in the Loop Body
Vectorizable Data References
Vectorization Examples
Loop Interchange and Subscripts: Matrix Multiply
For Additional Information
Libraries
Libraries Overview
Default Libraries
Intel(R) Shared Libraries
Managing Libraries
Diagnostics and Messages
Diagnostic Overview
Diagnostic Messages
Language Diagnostics
Suppressing Warning Messages with lint Comments
Suppressing Warning Messages or Enabling Remarks
Limiting the Number of Errors Reported
Remark Messages
Reference Information
Compiler Limits
Compiler Limits
Intel C++ Intrinsics Reference
Overview of the Intrinsics
Types of Intrinsics
Benefits of Using Intrinsics
Naming and Usage Syntax
Intrinsics Implementation Across All IA
Overview of Intrinsics For All IA
Integer Arithmetic Related
Floating-point Related
String and Block Copy Related
Miscellaneous Intrinsics
MMX(TM) Technology Intrinsics
Support for MMX(TM) Technology
The EMMS Instruction: Why You Need It
EMMS Usage Guidelines
MMX(TM) Technology General Support Intrinsics
MMX(TM) Technology Packed Arithmetic Intrinsics
MMX(TM) Technology Shift Intrinsics
MMX(TM) Technology Logical Intrinsics
MMX(TM) Technology Compare Intrinsics
MMX(TM) Technology Set Intrinsics
Using MMX(TM) Technology Intrinsics on Itanium(TM) Architecture
Streaming SIMD Extensions
Intrinsics Support for Streaming SIMD Extensions
Floating-point Intrinsics Using Streaming SIMD Extensions
Arithmetic Operations for the Streaming SIMD Extensions
Logical Operations for the Streaming SIMD Extensions
Comparisons for the Streaming SIMD Extensions
Conversion Operations for the Streaming SIMD Extensions
Miscellaneous Intrinsics Using Streaming SIMD Extensions
Macro Function for Shuffle Using Streaming SIMD Extensions
Macro Functions to Read and Write the Control Registers
Macro Function for Matrix Transposition
Summary of Memory and Initialization Using Streaming SIMD Extensions
Load Operations for the Streaming SIMD Extensions
Set Operations for the Streaming SIMD Extensions
Store Operations for the Streaming SIMD Extensions
Integer Intrinsics Using Streaming SIMD Extensions
Cacheability Support Using Streaming SIMD Extensions
Using Streaming SIMD Extensions on Itanium(TM) Architecture
Streaming SIMD Extensions 2
Overview of Streaming SIMD Extensions 2 Intrinsics
Floating Point Intrinsics
Floating-point Operations for Streaming SIMD Extensions 2
Logical Operations for Streaming SIMD Extensions 2
Comparisons for Streaming SIMD Extensions 2
Conversion Operations for Streaming SIMD Extensions 2
Cacheability Support for Streaming SIMD Extensions 2
Floating-point Memory and Initialization Operations
Streaming SIMD Extensions 2 Floating-point Memory and Initialization Operations
Load Operations for Streaming SIMD Extensions 2
Set Operations for Streaming SIMD Extensions 2
Store Operations for Streaming SIMD Extensions 2
Miscellaneous Operations for Streaming SIMD Extensions 2
Integer Intrinsics
Integer Arithmetic Operations for Streaming SIMD Extensions 2
Integer Logical Operations for Streaming SIMD Extensions 2
Integer Shift Operations for Streaming SIMD Extensions 2
Integer Comparison Operations for Streaming SIMD Extensions 2
Conversions Operations for Streaming SIMD Extensions 2
Macro Function for Shuffle
Cacheability Support Operations for Streaming SIMD Extensions 2
Integer Memory and Initialization Operations
Streaming SIMD Extensions 2 Integer Memory and Initialization
Load Operations for Streaming SIMD Extensions 2
Set Operations for Streaming SIMD Extensions 2
Store Operations for Streaming SIMD Extensions 2
Miscellaneous Operations for Streaming SIMD Extensions 2
Intrinsics for Itanium(TM) Instructions
Overview: Intrinsics for Itanium(TM) Instructions
Native Intrinsics for Itanium(TM) Instructions
Lock and Atomic Operation Related Intrinsics
Operating System Related Intrinsics
Data Alignment, Memory Allocation Intrinsics, and Inline Assembly
Overview of Data Alignment, Memory Allocation Intrinsics, and Inline Assembly
Alignment Support
Allocating and Freeing Aligned Memory Blocks
Inline Assembly
Intrinsics Cross-processor Implementation
Intrinsics Cross-processor Implementation
Intrinsics for Implementation Across All IA
MMX(TM) Technology Intrinsics Implementation
Streaming SIMD Extensions Intrinsics Implementation
Streaming SIMD Extensions 2 Intrinsics Implementation
Intel C++ Class Libraries
Introduction to the Class Libraries
Welcome to the Class Libraries
Hardware and Software Requirements
About the Classes
Technical Overview
Details About the Libraries
C++ Classes and SIMD Operations
Capabilities
Integer Vector Classes
Integer Vector Classes Overview
Terms, Conventions, and Syntax
Rules for Operators
Assignment Operator
Logical Operators
Addition and Subtraction Operators
Multiplication Operators
Shift Operators
Comparison Operators
Conditional Select Operators
Debug
Unpack Operators
Pack Operators
Clear MMX(TM) Instructions State Operator
Integer Intrinsics for Streaming SIMD Extensions
Conversions Between Fvec and Ivec
Floating-point Vector Classes
Floating-point Vector Classes
Fvec Notation Conventions
Data Alignment
Conversions
Constructors and Initialization
Arithmetic Operators
Minimum and Maximum Operators
Logical Operations
Compare Operators
Conditional Select Operators for Fvec Classes
Cacheability Support Operations
Debugging
Load and Store Operators
Unpack Operators for Fvec Operators
Move Mask Operator
Classes Quick Reference
Programming Example