MSP430 IAR C/C++ Compiler reference guide - Rice University

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--double (compiler option) . . . . . . . . . . . . . . . . . . . . . . . . 150double (data type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172avoiding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113configuring size of floating-point type . . . . . . . . . . . . . . . 7__double_size (runtime model attribute). . . . . . . . . . . . . . . 72double_t, C99 extension . . . . . . . . . . . . . . . . . . . . . . . . . . 237do_not_instantiate (pragma directive). . . . . . . . . . . . . . . . 257dynamic initialization . . . . . . . . . . . . . . . . . . . . . . . . . . 56, 79in C++ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42dynamic memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22E--ec++ (compiler option). . . . . . . . . . . . . . . . . . . . . . . . . . 151EC++ header files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234edition, of this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii--eec++ (compiler option). . . . . . . . . . . . . . . . . . . . . . . . . 151EI (assembler instruction). . . . . . . . . . . . . . . . . . . . . . . . . 220Embedded C++. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101differences from C++. . . . . . . . . . . . . . . . . . . . . . . . . . 101enabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151function linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91language extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 101overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101Embedded C++ Technical Committee . . . . . . . . . . . . . . xxivembedded systems, IAR special support for . . . . . . . . . . . . 10__embedded_cplusplus (predefined symbol) . . . . . . . . . . 226__enable_interrupt (intrinsic function) . . . . . . . . . . . . . . . 220--enable_multibytes (compiler option) . . . . . . . . . . . . . . . 151entry label, program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57enumerations, implementation-defined behavior. . . . . . . . 255enumsdata representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171forward declarations of . . . . . . . . . . . . . . . . . . . . . . . . 186environmentimplementation-defined behavior. . . . . . . . . . . . . . . . . 252runtimeCLIB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75DLIB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45environment variablesC_INCLUDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134QCC430. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134epilogue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208EQU (assembler directive) . . . . . . . . . . . . . . . . . . . . . . . . 163errno.h (library header file). . . . . . . . . . . . . . . . . . . . 233, 239error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137classifying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147error return codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136__even_in_range (intrinsic function) . . . . . . . . . . . . . . . . 221exception handling, missing from Embedded C++ . . . . . . 101exception vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42exception (library header file). . . . . . . . . . . . . . . . . . . . . . 234_Exit (library function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59exit (library function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58implementation-defined behavior. . . . . . . . . . . . . 260, 263_exit (library function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58__exit (library function) . . . . . . . . . . . . . . . . . . . . . . . . . . . 58export keyword, missing from Extended EC++ . . . . . . . . 107extended command line file . . . . . . . . . . . . . . . . . . . . . . . 152Extended Embedded C++ . . . . . . . . . . . . . . . . . . . . . . . . . 102enabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151standard template library (STL) . . . . . . . . . . . . . . . . . . 235extended keywords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189enabling (-e). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192syntax. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17object attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 192type attributes on data objects . . . . . . . . . . . . . . . . . 190type attributes on data pointers . . . . . . . . . . . . . . . . 191type attributes on functions . . . . . . . . . . . . . . . . . . . 191__interruptSee also INTVEC (segment)__trapSee also INTVEC (segment)extern "C" linkage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106270MSP430 IAR C/C++ CompilerReference Guide
IndexF-f (compiler option). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152fatal error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138fgetpos (library function), implementation-definedbehavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260field width, library support for . . . . . . . . . . . . . . . . . . . . . . 78__FILE__ (predefined symbol). . . . . . . . . . . . . . . . . . . . . 226file dependencies, tracking . . . . . . . . . . . . . . . . . . . . . . . . 146file paths, specifying for #include files . . . . . . . . . . . . . . . 153file systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262filenameof object file. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161–162specifying as parameter . . . . . . . . . . . . . . . . . . . . . . . . 140float (data type). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172floating point type, configuring size of double . . . . . . . . . . . 7floating-point constantshexadecimal notation . . . . . . . . . . . . . . . . . . . . . . . . . . 184hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114floating-point expressions,using in preprocessor extensions. . . . . . . . . . . . . . . . . . . . 155floating-point format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113–114implementation-defined behavior. . . . . . . . . . . . . . . . . 254special cases. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17332-bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17264-bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173floating-point numbers, library support for . . . . . . . . . . . . . 78float.h (library header file) . . . . . . . . . . . . . . . . . . . . 233, 239float_t, C99 extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237fmod (library function),implementation-defined behavior . . . . . . . . . . . . . . . 258, 262for loops, declarations in. . . . . . . . . . . . . . . . . . . . . . . . . . 182formatsfloating-point values . . . . . . . . . . . . . . . . . . . . . . . . . . 172standard IEEE (floating point) . . . . . . . . . . . . . . . . . . . 172_formatted_write (library function) . . . . . . . . . . . . . . . 51, 77fpclassify, C99 extension . . . . . . . . . . . . . . . . . . . . . . . . . 237FP_INFINITE, C99 extension . . . . . . . . . . . . . . . . . . . . . 237FP_NAN, C99 extension. . . . . . . . . . . . . . . . . . . . . . . . . . 237FP_NORMAL, C99 extension . . . . . . . . . . . . . . . . . . . . . 237FP_SUBNORMAL, C99 extension . . . . . . . . . . . . . . . . . 237FP_ZERO, C99 extension. . . . . . . . . . . . . . . . . . . . . . . . . 237fragmentation, of heap memory . . . . . . . . . . . . . . . . . . . . . 22free (library function). See also heap . . . . . . . . . . . . . . . . . 22fstream (library header file) . . . . . . . . . . . . . . . . . . . . . . . 234fstream.h (library header file) . . . . . . . . . . . . . . . . . . . . . . 235ftell (library function), implementation-defined behavior .260Full DLIB (library configuration) . . . . . . . . . . . . . . . . . . . . 47__func__ (predefined symbol) . . . . . . . . . . . . . . . . . 188, 227FUNCALL (assembler directive) . . . . . . . . . . . . . . . . . . . . 96__FUNCTION__ (predefined symbol) . . . . . . . . . . . 188, 227function declarations, Kernighan & Ritchie . . . . . . . . . . . 125function directives for static overlay . . . . . . . . . . . . . . . . . . 96function inlining (compiler transformation) . . . . . . . . . . . 123disabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157function pointers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173function prototypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125enforcing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165function template parameter deduction (extended EC++) .108function type information, omitting in object output. . . . . 161FUNCTION (assembler directive) . . . . . . . . . . . . . . . . . . . 96function (pragma directive). . . . . . . . . . . . . . . . . . . . . . . . 257functional (STL header file) . . . . . . . . . . . . . . . . . . . . . . . 235functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23C++ and special function types . . . . . . . . . . . . . . . . . . . 28declaring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90, 125executing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13inlining. . . . . . . . . . . . . . . . . . . . . . . . . 123–124, 182, 206interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23, 26intrinsic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83, 125monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26omitting type info . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92placing in memory . . . . . . . . . . . . . . . . . . . . . . . . 116, 119recursiveavoiding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125storing data on stack . . . . . . . . . . . . . . . . . . . . . . 21–22271
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MSP430 IAR C/C++ CompilerReference
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Brief contentsTables ..............
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ContentsTables ....................
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Standard streams for input and outp
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Functions .........................
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-e ................................
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C language extensions .............
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__enable_interrupt ................
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Implementation-defined behavior ...
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32: Data pointers .................
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What this guide containsWhat this g
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PrefaceStyle[option]{option}a|b|cbo
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Part 1. Using the compilerThis part
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Supported MSP430 devicesIt is also
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Basic settings for project configur
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Basic settings for project configur
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Special support for embedded system
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Special support for embedded system
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Data models (MSP430X only)●means
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Memory types (MSP430X only)The MSP4
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Memory types (MSP430X only)Type def
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C++ and memory types (MSP430X only)
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Dynamic memory on the heapAnother p
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Primitives for interrupts, concurre
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Placing segments in memoryfrom the
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Placing segments in memorySee the I
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Data segmentsexample DATA16 and __d
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Data segmentsThe data segment used
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Data segmentsAdd the required heap
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C++ dynamic initializationINTERRUPT
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Verifying the linked result of code
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Introduction to the runtime environ
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Using a prebuilt libraryThe followi
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Using a prebuilt library● is one
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Choosing formatters for printf and
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Overriding library modulesNote: If
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System startup and terminationThe l
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System startup and termination●
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Standard streams for input and outp
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Configuration symbols for printf an
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LocaleNote: If you link your librar
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Environment interactiondescribes th
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StrtodStrtodThe function strtod doe
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C-SPY Debugger runtime interface* T
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Checking module consistencyObject f
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Checking module consistencyIf this
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Runtime environment● Position-ind
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Input and output_medium_writeThe _m
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Overriding default library modules
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Checking module consistency82MSP430
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Mixing C and assemblerAn intrinsic
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Calling assembler routines from CIn
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Calling assembler routines from C++
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Calling conventionCHOOSING A CALLIN
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Calling conventionPreserved registe
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Calling conventionStack parameters
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Calling conventionExample 2This exa
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Call frame informationA full descri
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Call frame information100MSP430 IAR
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Overview●●●Runtime type infor
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Feature descriptionsalso apply to o
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Feature descriptionsA new expressio
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Feature descriptionsTemplates and d
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Feature descriptionsExamplevector d
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C++ language extensions●Constants
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Selecting data types● Declaring a
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Controlling data and function place
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Controlling data and function place
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Controlling compiler optimizationsT
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Controlling compiler optimizationss
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Writing efficient code}*p2 = 0;*p1
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Writing efficient codeint test(); /
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Writing efficient codeWDTCNTCL = 0x
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Writing efficient code130MSP430 IAR
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132
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Include file search procedure●Via
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Diagnostics●●●Diagnostic mess
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DiagnosticsFatal errorA diagnostic
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Options syntaxFor options with a lo
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Compiler options summaryCompiler op
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Descriptions of optionsCommand line
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Descriptions of optionsDescriptionF
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Descriptions of options--diag_remar
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Descriptions of optionsTo set relat
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Descriptions of options--error_limi
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Descriptions of optionsFor informat
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Descriptions of optionsdocumentatio
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Descriptions of optionsNote: This o
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Descriptions of optionsThis option
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Descriptions of options--output, -o
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Descriptions of options--reduce_sta
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Descriptions of options--silentSynt
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Descriptions of options168MSP430 IA
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Basic data typesThe MSP430 IAR C/C+
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Basic data typesFLOATING-POINT TYPE
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Pointer typesDATA POINTERSThe follo
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Type qualifiersThe following diagra
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Data types in C++constant and non-c
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C language extensionsinstructions.
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C language extensionsIn the followi
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C language extensions{char a;unsign
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C language extensionsMINOR LANGUAGE
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C language extensionsint test(int x
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General syntax rules for extended k
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Summary of extended keywordsThe fol
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Descriptions of extended keywordsSe
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Descriptions of extended keywords__
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Descriptions of extended keywordsTh
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Descriptions of pragma directivesPr
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Descriptions of pragma directivesco
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Descriptions of pragma directivesdi
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Descriptions of pragma directivesin
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Descriptions of pragma directivesno
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Descriptions of pragma directivesna
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Descriptions of pragma directivesEx
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Descriptions of pragma directivesEx
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Descriptions of intrinsic functions
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Descriptions of intrinsic functions
Page 246 and 247: Descriptions of intrinsic functions
Page 252 and 253: Descriptions of predefined preproce
Page 254 and 255: Descriptions of miscellaneous prepr
Page 256 and 257: Descriptions of miscellaneous prepr
Page 258 and 259: IntroductionLIBRARY OBJECT FILESMos
Page 260 and 261: IAR DLIB LibraryHeader filestdbool.
Page 262 and 263: IAR DLIB LibraryThe following table
Page 264 and 265: IAR CLIB Librarystdio.hIn stdio.h,
Page 266 and 267: IAR CLIB Library240MSP430 IAR C/C++
Page 268 and 269: Descriptions of segmentsSegmentDATA
Page 270 and 271: Descriptions of segmentsDATA16_CDes
Page 272 and 273: Descriptions of segmentsDATA20_ACDe
Page 274 and 275: Descriptions of segmentsDATA20_ZDes
Page 276 and 277: Descriptions of segments250MSP430 I
Page 278 and 279: Descriptions of implementation-defi
Page 292 and 293: inary streams (CLIB) . . . . . . .
Page 294 and 295: CSTACK (segment)example . . . . . .
Page 298 and 299: eentrancy (DLIB) . . . . . . . . .
Page 300 and 301: ISO/ANSI Ccompiler extensions . . .
Page 302 and 303: memory segment. See segmentmemory t
Page 304 and 305: asic_template_matching, using . . .
Page 306 and 307: S--save_reg20 (compiler option). .
Page 308 and 309: strtod, in stdlib.h . . . . . . . .
Page 310 and 311: wchar.h (library header file) . . .
Page 312: __no_operation (intrinsic function)
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MSP430 IAR C/C++ Compiler reference guide - Rice University

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