ARM Compiler toolchain v4.1 for ÂµVision Using the Compiler

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Compiler Coding Practices 5.61 New library features of C99 The C99 standard introduces several new library features of interest to programmers, including: • Some features similar to extensions to the C90 standard libraries offered in UNIX standard libraries, for example, the snprintf family of functions. • Some entirely new library features, for example, the standardized floating-point environment offered in . • New libraries, and new macros and functions for existing C90 libraries. A selection of new features in C99 that might be of interest to developers using them for the first time are documented. Note C90 is compatible with Standard C++ in the sense that the language specified by the standard is a subset of C++, except for a few special cases. New features in the C99 standard mean that C99 is no longer compatible with C++ in this sense. Many library features that are new to C99 are available in C90 and C++. Some require macros such as USE_C99_ALL or USE_C99_MATH to be defined before the #include. 5.61.1 See also Concepts • Additional library functions in C99 on page 5-93 • Complex numbers in C99 on page 5-94 • Boolean type and in C99 on page 5-95 • Extended integer types and functions in and in C99 on page 5-96 • floating-point environment access in C99 on page 5-97 • snprintf family of functions in C99 on page 5-98 • type-generic math macros in C99 on page 5-99 • wide character I/O functions in C99 on page 5-100. ARM DUI 0375C Copyright © 2007-2008, 2011 ARM. All rights reserved. 5-79 ID061811 Non-Confidential
Compiler Coding Practices 5.62 // comments in C99 and C90 In C99 you can use // to indicate the start of a one-line comment, like in C++. In C90 mode you can use // comments providing you do not specify --strict. 5.62.1 See also Concepts • New language features of C99 on page 5-77. Compiler Reference: • --strict, --no_strict on page 3-88. Reference Compiler Reference: • // comments on page 4-4. ARM DUI 0375C Copyright © 2007-2008, 2011 ARM. All rights reserved. 5-80 ID061811 Non-Confidential
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® ARM Compiler toolchain v4.1 for
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Contents ARM Compiler toolchain v4.
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Contents 5.19 Inline functions ....
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Contents 7.41 __mcall_is_virtual(D,
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Conventions and Feedback • the se
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Overview of the compiler 2.1 The co
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Overview of the compiler 2.3 The C
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Getting started with the Compiler
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Getting started with the Compiler 3
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Getting started with the Compiler
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Getting started with the Compiler R
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Chapter 4 Compiler Features The fol
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Compiler Features 4.1 Compiler intr
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Compiler Features 4.2 Performance b
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Compiler Features 4.4 Generic intri
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Compiler Features 4.10 Compiler sup
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Compiler Features 4.12 Texas Instru
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Compiler Features /* Declare PSR as
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Compiler Features 4.13.1 See also R
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Compiler Features 4.15 Compiler and
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Compiler Features Using the Linker:
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Compiler Features Reference Compile
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Compiler Features 4.19 Compiler sup
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Compiler Features 4.21 PreCompiled
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Compiler Features 4.23 PreCompiled
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Compiler Features Reference Compile
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Compiler Features 4.26 Obsolete Pre
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Compiler Features 4.28 Selectively
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Compiler Features 4.30 Message outp
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Compiler Features 4.32 Default comp
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Compiler Coding Practices • Guard
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Compiler Coding Practices • Exten
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Compiler Coding Practices 5.2 Compi
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Compiler Coding Practices 5.4 Selec
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Compiler Coding Practices In additi
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Compiler Coding Practices Table 5-4
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Compiler Coding Practices Table 5-6
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Compiler Coding Practices 5.9 Code
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Compiler Coding Practices 4. After
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Compiler Coding Practices 5.12 Meth
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Compiler Coding Practices 5.14 Meth
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Compiler Coding Practices 5.16 Func
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Compiler Coding Practices Reference
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Using the Inline and Embedded Assem
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ARM Compiler toolchain v4.1 for ÂµVision Using the Compiler

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