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C and C++ Compiler Implementation Limits D.2 Limits for integral numbers Table D-2 gives the ranges for integral numbers in ARM C and C++. The Endpoint column of the table gives the numerical value of the range endpoint. The Hex value column gives the bit pattern (in hexadecimal) that is interpreted as this value by the ARM compiler. These constants are defined in the limits.h include file. When entering a constant, choose the size and sign with care. Constants are interpreted differently in decimal and hexadecimal/octal. See the appropriate C or C++ standard, or any of the recommended C and C++ textbooks for more information, as described in Further reading on page viii. Table D-2 Integer ranges Constant Meaning Value Hex value CHAR_MAX Maximum value of char 255 0xFF CHAR_MIN Minimum value of char 0 0x00 SCHAR_MAX Maximum value of signed char 127 0x7F SCHAR_MIN Minimum value of signed char –128 0x80 UCHAR_MAX Maximum value of unsigned char 255 0xFF SHRT_MAX Maximum value of short 32767 0x7FFF SHRT_MIN Minimum value of short –32768 0x8000 USHRT_MAX Maximum value of unsigned short 65535 0xFFFF INT_MAX Maximum value of int 2147483647 0x7FFFFFFF INT_MIN Minimum value of int –2147483648 0x80000000 LONG_MAX Maximum value of long 2147483647 0x7FFFFFFF LONG_MIN Minimum value of long –2147483648 0x80000000 ULONG_MAX Maximum value of unsigned long 4294967295 0xFFFFFFFF LLONG_MAX Maximum value of long long 9.2E+18 0x7FFFFFFF FFFFFFFF LLONG_MIN Minimum value of long long –9.2E+18 0x80000000 00000000 ULLONG_MAX Maximum value of unsigned long long 1.8E+19 0xFFFFFFFF FFFFFFFF D-4 Copyright © 2007, 2010 ARM Limited. All rights reserved. ARM DUI 0348A Non-Confidential
C and C++ Compiler Implementation Limits D.3 Limits for floating-point numbers This section describes the characteristics of floating-point numbers. Table D-3 gives the characteristics, ranges, and limits for floating-point numbers. These constants are defined in the float.h include file. Table D-3 Floating-point limits Constant Meaning Value FLT_MAX Maximum value of float 3.40282347e+38F FLT_MIN Minimum normalized positive floating-point number value of float 1.17549435e–38F DBL_MAX Maximum value of double 1.79769313486231571e+308 DBL_MIN Minimum normalized positive floating-point number value of double 2.22507385850720138e–308 LDBL_MAX Maximum value of long double 1.79769313486231571e+308 LDBL_MIN Minimum normalized positive floating-point number value of long double 2.22507385850720138e–308 FLT_MAX_EXP Maximum value of base 2 exponent for type float 128 FLT_MIN_EXP Minimum value of base 2 exponent for type float –125 DBL_MAX_EXP Maximum value of base 2 exponent for type double 1024 DBL_MIN_EXP Minimum value of base 2 exponent for type double –1021 LDBL_MAX_EXP Maximum value of base 2 exponent for type long double 1024 LDBL_MIN_EXP Minimum value of base 2 exponent for type long double –1021 FLT_MAX_10_EXP Maximum value of base 10 exponent for type float 38 FLT_MIN_10_EXP Minimum value of base 10 exponent for type float –37 DBL_MAX_10_EXP Maximum value of base 10 exponent for type double 308 DBL_MIN_10_EXP Minimum value of base 10 exponent for type double –307 LDBL_MAX_10_EXP Maximum value of base 10 exponent for type long double 308 LDBL_MIN_10_EXP Minimum value of base 10 exponent for type long double –307 ARM DUI 0348A Copyright © 2007, 2010 ARM Limited. All rights reserved. D-5 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 N #if
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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 Restr
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Compiler Command-line Options • S
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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 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 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 See also
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Compiler-specific Features unsigned
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Compiler-specific Features int32_t
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Page 275 and 276: Appendix A Via File Syntax This app
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Page 279 and 280: Appendix B Standard C Implementatio
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Page 301 and 302: Appendix E Using NEON Support This
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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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