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Compiler Command-line Options 2.1.80 --gnu_defaults This option alters the default settings of certain other options to match the default behavior found in GCC. Platform-specific settings, such as those targeting ARM Linux, are unaffected. Usage When you use --arm_linux and other ARM Linux-targeting options, --gnu_defaults is automatically implied. --gnu_defaults does not imply specific targeting of ARM Linux. When you use --gnu_defaults, the following options are enabled: • --allow_null_this • --gnu • --no_debug_macros • --no_hide_all • --no_implicit_include • --signed_bitfields • --wchar32. --gnu does not set these defaults. It only enables the GNU compiler extensions. See also • --allow_null_this, --no_allow_this on page 2-3 • --arm_linux on page 2-9 • --debug_macros, --no_debug_macros on page 2-37 • --gnu on page 2-67 • --hide_all, --no_hide_all on page 2-71 • --implicit_include, --no_implicit_include on page 2-73 • --signed_bitfields, --unsigned_bitfields on page 2-116 • --wchar32 on page 2-135. 2.1.81 --gnu_instrument, --no_gnu_instrument This option inserts GCC-style instrumentation calls for profiling entry and exit to functions. 2-68 Copyright © 2007-2010 ARM. All rights reserved. ARM DUI 0348C Non-Confidential, ID101213
Compiler Command-line Options Usage After function entry and before function exit, the following profiling functions are called with the address of the current function and its call site: void __cyg_profile_func_enter(void *current_func, void *callsite); void __cyg_profile_func_exit(void *current_func, void *callsite); Restrictions You must provide definitions of __cyg_profile_func_enter() and __cyg_profile_func_exit(). It is necessary to explicitly mark __cyg_profile_func_enter() and __cyg_profile_func_exit() with __attribute__((no_instrument_function)). See also • __attribute__((no_instrument_function)) on page 4-35. 2.1.82 --gnu_version=version This option attempts to make the compiler compatible with a particular version of GCC. Syntax --gnu_version=version Where version is a decimal number denoting the version of GCC that you are attempting to make the compiler compatible with. Mode This option is for when GNU compatibility mode is being used. Usage This option is for expert use. It is provided for dealing with legacy code. You are not normally required to use it. Default In RVCT v4.0, the default is 40200. This corresponds to GCC version 4.2.0. ARM DUI 0348C Copyright © 2007-2010 ARM. All rights reserved. 2-69 ID101213 Non-Confidential,
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® RealView Compilation Tools Versi
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Product Status The information in t
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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 Other publications The foll
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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 Each
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Compiler Command-line Options Note
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Compiler Command-line Options • -
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Compiler Command-line Options Restr
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Compiler Command-line Options Defau
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Compiler Command-line Options Restr
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Compiler Command-line Options Error
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Compiler Command-line Options • a
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Compiler Command-line Options See a
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Compiler Command-line Options 2.1.1
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Compiler Command-line Options and a
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Compiler Command-line Options Defau
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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 • __at
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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 Syntax v
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Compiler-specific Features Where: p
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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 Errors T
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Compiler-specific Features ptr poin
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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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Compiler-specific Features • __uh
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Compiler-specific Features • Para
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Compiler-specific Features • Para
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Compiler-specific Features 4.7.100
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Compiler-specific Features } int32_
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Compiler-specific Features 4.8 VFP
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Compiler-specific Features 4.10 GNU
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Compiler-specific Features __builti
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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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