RealView Compilation Tools Compiler Reference Guide - ARM ...

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Introduction GNU extensions The compiler supports some extensions offered by the GNU compiler, for example, GNU-style extended lvalues and GNU builtin functions. For more information see: • Language compliance • GNU language extensions on page 3-25 • Chapter 4 Compiler-specific Features. 1.3.2 Language compliance ARM-specific extensions The compiler supports a range of extensions specific to the ARM compiler, for example, instruction intrinsics and other builtin functions. See Chapter 4 Compiler-specific Features for more information. The compiler has several modes in which compliance to a source language is either enforced or relaxed: Strict mode In strict mode the compiler enforces compliance with the language standard relevant to the source language. For example, the use of //-style comments results in an error when compiling strict C90. To compile in strict mode, use the command-line option --strict. GNU mode In GNU mode all the GNU compiler extensions to the relevant source language are available. For example, in GNU mode: • case ranges in switch statements are available when the source language is any of C90, C99 or non-strict C++ • C99-style designated initializers are available when the source language is either C90 or non strict C++. To compile in GNU mode, use the compiler option --gnu. Note Some GNU extensions are also available when you are in a non-strict mode. Example The following examples illustrate combining source language modes with language compliance modes: • Compiling a .cpp file with the command-line option --strict compiles Standard C++ 1-6 Copyright © 2007, 2010 ARM Limited. All rights reserved. ARM DUI 0348A Non-Confidential
Introduction • Compiling a C source file with the command-line option --gnu compiles GNU mode C90 • Compiling a .c file with the command-line options --strict and --gnu is an error. See also • --gnu on page 2-44 • --[no_]strict on page 2-84 • GNU language extensions on page 3-25 • File naming conventions on page 2-11 in the Compiler User Guide. ARM DUI 0348A Copyright © 2007, 2010 ARM Limited. All rights reserved. 1-7 Non-Confidential
Page 1 and 2: ® RealView Compilation Tools Versi
Page 3 and 4: Contents RealView Compilation Tools
Page 5 and 6: Preface This preface introduces the
Page 7 and 8: Preface Appendix A Via File Syntax
Page 9 and 10: Preface • ARM datasheet or techni
Page 11 and 12: Chapter 1 Introduction This chapter
Page 13 and 14: Introduction 1.2 Source language mo
Page 15: Introduction 1.3 Language extension
Page 19 and 20: Chapter 2 Compiler Command-line Opt
Page 21 and 22: Compiler Command-line Options 2.1.2
Page 23 and 24: Compiler Command-line Options Defau
Page 25 and 26: Compiler Command-line Options Note
Page 27 and 28: Compiler Command-line Options Table
Page 29 and 30: Compiler Command-line Options int m
Page 31 and 32: Compiler Command-line Options See a
Page 33 and 34: Compiler Command-line Options • -
Page 35 and 36: Compiler Command-line Options • T
Page 37 and 38: Compiler Command-line Options Where
Page 41 and 42: Compiler Command-line Options Mode
Page 45 and 46: Compiler Command-line Options • #
Page 47 and 48: Compiler Command-line Options Synta
Page 51 and 52: Compiler Command-line Options See a
Page 55 and 56: Compiler Command-line Options When
Page 57 and 58: Compiler Command-line Options Examp
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Compiler Command-line Options Examp
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Compiler Command-line Options See a
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Compiler Command-line Options 2.1.7
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Compiler Command-line Options • -
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Compiler Command-line Options N #if
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Compiler Command-line Options • -
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Compiler Command-line Options Defau
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Compiler Command-line Options 1 Res
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Compiler Command-line Options Restr
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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 Note
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Compiler Command-line Options Restr
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Compiler Command-line Options Note
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Compiler Command-line Options • S
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Compiler Command-line Options Examp
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Compiler Command-line Options See a
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Compiler Command-line Options --no_
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Compiler Command-line Options --apc
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Compiler Command-line Options Selec
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Chapter 3 Language Extensions This
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Language Extensions 3.1.2 #include_
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Language Extensions 3.2 C99 languag
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Language Extensions 3.3 C99 languag
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Language Extensions Example void co
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Language Extensions static int y =
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Language Extensions 3.4.4 Dollar si
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Language Extensions 3.5 Standard C+
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Language Extensions Example 3-2 Lin
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Language Extensions 3.6 Standard C
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Language Extensions 3.6.4 Assembler
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Language Extensions 3.6.12 Structur
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Language Extensions 3.7 GNU languag
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Language Extensions 3.7.5 Character
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Language Extensions 3.7.10 Inline T
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Language Extensions Example int bar
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Chapter 4 Compiler-specific Feature
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Compiler-specific Features Usage __
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Compiler-specific Features Example
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Compiler-specific Features 4.1.6 __
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Compiler-specific Features 4.1.11 _
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Compiler-specific Features short x;
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Compiler-specific Features Where: s
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Compiler-specific Features typedef
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Compiler-specific Features • 0-25
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Compiler-specific Features Usage Fu
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Compiler-specific Features }; __dec
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Compiler-specific Features 4.3 Func
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Compiler-specific Features The comp
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Compiler-specific Features Note Thi
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Compiler-specific Features In the f
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Compiler-specific Features 4.4 Type
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Compiler-specific Features void cal
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Compiler-specific Features replaced
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Compiler-specific Features Note Thi
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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 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 • 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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