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Compiler Command-line Options Restrictions The compiler defines and undefines macros in the following order: 1. compiler predefined macros 2. macros defined explicitly, using -Dname 3. macros explicitly undefined, using -Uname. Example Specifying the option: -DMAX(X,Y)="((X > Y) X : Y)" on the command line is equivalent to defining the macro: #define MAX(X, Y) ((X > Y) X : Y) at the head of each source file. See also • -C on page 2-22 • -E on page 2-52 • -Uname on page 2-127 • Compiler predefines on page 4-198. 2.1.36 --data_reorder, --no_data_reorder This option enables or disables automatic reordering of top-level data items, for example global variables. The compiler can save memory by eliminating wasted space between data items. However, --data_reorder can break legacy code, if the code makes invalid assumptions about ordering of data by the compiler. The ISO C Standard does not guarantee data order, so you must avoid writing code that depends on any assumed ordering. If you require data ordering, place the data items into a structure. Default The default is --data_reorder. 2-36 Copyright © 2007-2010 ARM. All rights reserved. ARM DUI 0348C Non-Confidential, ID101213
Compiler Command-line Options 2.1.37 --debug, --no_debug This option enables or disables the generation of debug tables for the current compilation. The compiler produces the same code regardless of whether --debug is used. The only difference is the existence of debug tables. Default The default is --no_debug. Using --debug does not affect optimization settings. By default, using the --debug option alone is equivalent to: --debug --dwarf3 --debug_macros See also • --debug_macros, --no_debug_macros • --dwarf2 on page 2-51 • --dwarf3 on page 2-51 • -Onum on page 2-96. 2.1.38 --debug_macros, --no_debug_macros This option enables or disables the generation of debug table entries for preprocessor macro definitions. Usage Using --no_debug_macros might reduce the size of the debug image. This option must be used with the --debug option. Default The default is --debug_macros. See also • --debug, --no_debug • --gnu_defaults on page 2-68. ARM DUI 0348C Copyright © 2007-2010 ARM. All rights reserved. 2-37 ID101213 Non-Confidential,
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® RealView Compilation Tools Versi
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Product Status The information in t
Page 5 and 6: Contents RealView Compilation Tools
Page 7 and 8: Preface This preface introduces the
Page 9 and 10: Preface Appendix A Via File Syntax
Page 11 and 12: Preface Other publications The foll
Page 13 and 14: Chapter 1 Introduction This chapter
Page 15 and 16: Introduction 1.2 Source language mo
Page 17 and 18: Introduction 1.3 Language extension
Page 19 and 20: Introduction • Compiling a C sour
Page 21 and 22: Chapter 2 Compiler Command-line Opt
Page 23 and 24: Compiler Command-line Options 2.1.2
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Page 27 and 28: Compiler Command-line Options Note
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Compiler Command-line Options 2.1.1
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Compiler Command-line Options Note
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Compiler Command-line Options Synta
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Compiler Command-line Options Usage
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Compiler Command-line Options #incl
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Compiler Command-line Options • -
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Compiler Command-line Options Error
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Compiler Command-line Options Error
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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 Restrictions Th
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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 int counter __a
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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 • You can use
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Language Extensions Errors The comp
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Chapter 4 Compiler-specific Feature
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Compiler-specific Features Usage __
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Compiler-specific Features Return v
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Compiler-specific Features Example
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Compiler-specific Features The func
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Compiler-specific Features Note The
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Compiler-specific Features Usage Th
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Compiler-specific Features Syntax _
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Compiler-specific Features See also
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Compiler-specific Features __weak v
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Compiler-specific Features When a c
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Compiler-specific Features Examples
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Compiler-specific Features Usage If
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Compiler-specific Features 4.3 Func
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Compiler-specific Features 4.3.2 __
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Compiler-specific Features Note Thi
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Compiler-specific Features 4.3.11 _
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Compiler-specific Features 4.4 Type
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Compiler-specific Features • Bit-
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Compiler-specific Features 4.5 Vari
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Compiler-specific Features In parti
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Compiler-specific Features 4.5.5 __
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Compiler-specific Features Note You
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Compiler-specific Features Default
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Compiler-specific Features • Chap
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Compiler-specific Features Where: t
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Compiler-specific Features This pra
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Compiler-specific Features Note Bot
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Compiler-specific Features 4.7 Inst
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Compiler-specific Features opcode2
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Compiler-specific Features Errors T
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Compiler-specific Features Syntax v
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Compiler-specific Features Restrict
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Compiler-specific Features 4.7.44 A
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Compiler-specific Features Table 4-
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Compiler-specific Features 4.7.47 A
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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 long
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Using NEON Support uint64x1_t vqadd
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Using NEON Support Vector multiply
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Using NEON Support int64x1_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 int16x4_t lane);
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Using NEON Support // VST1.8 {d0},
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Using NEON Support uint64x1x2_t vld
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Using NEON Support float32x2x4_t vl
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Using NEON Support lane); // VLD2.8
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Using NEON Support // VLD4.16 {d0[0
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Using NEON Support // VST3.32 {d0,
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Using NEON Support // VST3.32 {d0[0
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Using NEON Support uint8x8_t vset_l
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Using NEON Support float32x2_t vmov
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Using NEON Support uint32x2_t vcvt_
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Using NEON Support // VMLA.I16 d0,
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Using NEON Support Vector long mult
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Using NEON Support Vector widening
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Using NEON Support int8x16_t vqabsq
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Using NEON Support Bitwise and int8
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Using NEON Support Bitwise Select N
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Using NEON Support E.3.31 Vector re
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