RealView Compilation Tools Compiler Reference Guide - ARM ...

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Language Extensions See also • Pragmas on page 4-49 • Structure, union, enum, and bitfield extensions on page 3-23 • New features of C99 on page 1-5 in the Compiler User Guide. 3-24 Copyright © 2007, 2010 ARM Limited. All rights reserved. ARM DUI 0348A Non-Confidential
Language Extensions 3.7 GNU language extensions This section describes GNU compiler extensions that are supported by the ARM compiler. These extensions are supported only in GNU mode, that is, when you compile your source code with the --gnu option. See Language compliance on page 1-6 and --gnu on page 2-44 for more information. Note Not all GNU compiler extensions are supported for all languages. For example, extended pointer arithmetic is not supported for C++. For more information on the use of the GNU extensions, see the GNU compiler documentation online at http://gcc.gnu.org. For additional reference material on the ARM compiler see also: • Appendix B Standard C Implementation Definition • Appendix C Standard C++ Implementation Definition • Appendix D C and C++ Compiler Implementation Limits. 3.7.1 Alternate keywords The compiler recognizes alternate keywords of the form __keyword__. These alternate keywords have the same behavior as the original keywords. Example __const__ int pi = 3.14; // same as const int pi = 3.14 3.7.2 asm keyword This keyword is a synonym for the __asm keyword. Mode Supported in GNU mode for C90 and C99 only. See also • __asm on page 4-5. 3.7.3 Case ranges You can specify ranges of values in switch statements. ARM DUI 0348A Copyright © 2007, 2010 ARM Limited. All rights reserved. 3-25 Non-Confidential
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® RealView Compilation Tools Versi
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Contents RealView Compilation Tools
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Preface This preface introduces the
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Preface Appendix A Via File Syntax
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Preface • ARM datasheet or techni
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Chapter 1 Introduction This chapter
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Introduction 1.2 Source language mo
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Introduction 1.3 Language extension
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Introduction • Compiling a C sour
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Chapter 2 Compiler Command-line Opt
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Compiler Command-line Options 2.1.2
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Compiler Command-line Options Defau
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Compiler Command-line Options Note
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Compiler Command-line Options Table
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Compiler Command-line Options int m
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Compiler Command-line Options See a
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Compiler Command-line Options • -
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Compiler Command-line Options • T
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Compiler Command-line Options Where
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Compiler Command-line Options Mode
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Compiler Command-line Options • #
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Compiler Command-line Options Synta
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Compiler Command-line Options When
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Compiler Command-line Options Examp
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Compiler Command-line Options A num
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Compiler Command-line Options softv
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Compiler Command-line Options If --
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Compiler Command-line Options • I
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Compiler Command-line Options Examp
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Compiler Command-line Options N #if
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Compiler Command-line Options 1 Res
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Page 115 and 116: Chapter 3 Language Extensions This
Page 117 and 118: Language Extensions 3.1.2 #include_
Page 119 and 120: Language Extensions 3.2 C99 languag
Page 121 and 122: Language Extensions 3.3 C99 languag
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Page 129 and 130: Language Extensions 3.5 Standard C+
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Page 135 and 136: Language Extensions 3.6.4 Assembler
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Page 145 and 146: Language Extensions Example int bar
Page 147 and 148: Chapter 4 Compiler-specific Feature
Page 149 and 150: Compiler-specific Features Usage __
Page 151 and 152: Compiler-specific Features Example
Page 153 and 154: Compiler-specific Features 4.1.6 __
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Page 157 and 158: Compiler-specific Features 4.1.11 _
Page 159 and 160: Compiler-specific Features short x;
Page 161 and 162: Compiler-specific Features Where: s
Page 163 and 164: Compiler-specific Features typedef
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Page 169 and 170: Compiler-specific Features 4.1.20 _
Page 171 and 172: Compiler-specific Features 4.2.2 __
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Compiler-specific Features Note Thi
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Compiler-specific Features Example
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Compiler-specific Features 4.5.9 __
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Compiler-specific Features 4.6 Prag
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Compiler-specific Features • Temp
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Compiler-specific Features Syntax #
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Compiler-specific Features #pragma
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Compiler-specific Features • __at
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Compiler-specific Features 4.6.20 #
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Compiler-specific Features If the i
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Compiler-specific Features 4.7 Inst
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Compiler-specific Features 4.7.3 __
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Compiler-specific Features Where: c
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Compiler-specific Features Return v
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Compiler-specific Features See also
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Compiler-specific Features Syntax v
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Compiler-specific Features Where: p
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Compiler-specific Features Where: v
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Compiler-specific Features Note The
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Compiler-specific Features 4.7.33 _
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Compiler-specific Features • BKPT
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Compiler-specific Features sat must
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Compiler-specific Features unsigned
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Compiler-specific Features int32_t
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Compiler-specific Features 4.8 Comp
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Compiler-specific Features Table 4-
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Compiler-specific Features Table 4-
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Chapter 5 C and C++ Implementation
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C and C++ Implementation Details th
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C and C++ Implementation Details Se
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C and C++ Implementation Details Po
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C and C++ Implementation Details
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C and C++ Implementation Details st
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C and C++ Implementation Details 5.
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C and C++ Implementation Details No
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C and C++ Implementation Details na
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C and C++ Implementation Details 5.
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Appendix A Via File Syntax This app
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Via File Syntax A.2 Syntax Via file
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Appendix B Standard C Implementatio
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Standard C Implementation Definitio
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Appendix C Standard C++ Implementat
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Standard C++ Implementation Definit
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Standard C++ Implementation Definit
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Appendix D C and C++ Compiler Imple
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C and C++ Compiler Implementation L
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C and C++ Compiler Implementation L
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Appendix E Using NEON Support This
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Using NEON Support E.2 Vector data
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Using NEON Support • Vector satur
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Using NEON Support Vector add high
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Using NEON Support Vector saturatin
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Using NEON Support uint64x1_t vqsub
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Using NEON Support uint32x2_t vcle_
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Using NEON Support uint16x4_t vabd_
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Using NEON Support Long pairwise ad
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Using NEON Support int16x8_t vqshlq
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Using NEON Support uint8x8_t vrshr_
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Using NEON Support Vector signed->u
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Using NEON Support uint8x16_t vld1q
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Using NEON Support int64x1_t vld1_l
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Using NEON Support // VST1.16 {d0[0
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Using NEON Support // VLD3.32 {d0,
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Using NEON Support // VLD3.16 {d0[]
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Using NEON Support // VLD3.32 {d0[0
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Using NEON Support void vst2_u64(__
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Using NEON Support void vst2q_lane_
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Using NEON Support float32_t vget_l
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Using NEON Support uint8x16_t vdupq
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Using NEON Support uint16x4_t vget_
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Using NEON Support E.3.25 Operation
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Using NEON Support int16x8_t vmulq_
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Using NEON Support Vector widening
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Using NEON Support Absolute: Vd[i]
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Using NEON Support uint8x8_t vmvn_u
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Using NEON Support int16x8_t vornq_
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Using NEON Support uint32x4x2_t vuz
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