1 | X:\>wcc386.exe
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2 | Open Watcom C32 Optimizing Compiler Version 1.9
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3 | Portions Copyright (c) 1984-2002 Sybase, Inc. All Rights Reserved.
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4 | Source code is available under the Sybase Open Watcom Public License.
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5 | See http://www.openwatcom.org/ for details.
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6 | Usage: wcc386 [options] file [options]
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7 | Options:
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8 | ( /option is also accepted )
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9 | -3r 386 register calling conventions
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10 | -3s 386 stack calling conventions
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11 | -4r 486 register calling conventions
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12 | -4s 486 stack calling conventions
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13 | -5r Pentium register calling conventions
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14 | -5s Pentium stack calling conventions
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15 | -6r Pentium Pro register calling conventions
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16 | -6s Pentium Pro stack calling conventions
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17 | -aa allow non const initializers for local aggregates or unions
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18 | -ad[=<file>] generate make style automatic dependency file
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19 | -add[=<file>] specify first dependency in make style auto-depend file
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20 | -adt[=<file>] specify target in make style auto-depend file
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21 | -adhp[=<file>]specify default path for headers without one
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22 | -adbs force path separators to '\' in auto-depend file
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23 | -adfs force path separators to '/' in auto-depend file
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24 | -ai turn off type checking on static initialization
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25 | (Press return to continue)
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26 | -aq turn off qualifier mismatch warning for const/volatile
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27 | -bc build target is a console application
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28 | -bd build target is a dynamic link library (DLL)
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29 | -bg build target is a GUI application
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30 | -bm build target is a multi-thread environment
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31 | -br build with dll run-time library
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32 | -bt=<id> build target for operating system <id>
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33 | -bw build target is a default windowing application
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34 | -d<id>[=text] precompilation #define <id> [text]
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35 | -d0 no debugging information
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36 | -d1{+} line number debugging information
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37 | -d2 full symbolic debugging information
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38 | -d3 full symbolic debugging with unreferenced type names
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39 | -d+ allow extended -d macro definitions
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40 | -db generate browsing information
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41 | -e=<num> set limit on number of error messages
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42 | -ecc set default calling convention to __cdecl
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43 | -ecd set default calling convention to __stdcall
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44 | -ecf set default calling convention to __fastcall
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45 | -ecp set default calling convention to __pascal
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46 | -ecr set default calling convention to __fortran
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47 | -ecs set default calling convention to __syscall
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48 | (Press return to continue)
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49 | -ecw set default calling convention to __watcall (default)
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50 | -ee call epilogue hook routine
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51 | -ef use full pathnames in error and warning messages
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52 | -ei force enums to be at least as large as an int
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53 | -em force enum base type to use minimum integral type
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54 | -en emit routine names in the code segment
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55 | -ep[=<num>] call prologue hook routine with <num> stack bytes available
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56 | -eq do not display error messages (they are still written to a file)
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57 | -et Pentium profiling
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58 | -ez generate PharLap EZ-OMF object files
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59 | -fh[=<file>] use pre-compiled headers
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60 | -fhq[=<file>] do not display pre-compiled header activity warnings
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61 | -fi=<file> force <file> to be included
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62 | -fo[=<file>] set object or preprocessor output file name
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63 | -fr[=<file>] set error file name
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64 | -fti print informational message when opening include file
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65 | -fp2 generate 287 floating-point code
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66 | -fp3 generate 387 floating-point code
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67 | -fp5 optimize floating-point for Pentium
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68 | -fp6 optimize floating-point for Pentium Pro
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69 | -fpc calls to floating-point library
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70 | -fpi inline 80x87 instructions with emulation
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71 | (Press return to continue)
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72 | -fpi87 inline 80x87 instructions
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73 | -fpr generate backward compatible 80x87 code
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74 | -g=<id> set code group name
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75 | -hc generate Codeview debugging information
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76 | -hd generate DWARF debugging information
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77 | -hw generate Watcom debugging information
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78 | -i=<path> add another include path
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79 | -j change char default from unsigned to signed
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80 | -mc compact memory model (small code/large data)
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81 | -mf flat memory model (small code/small data assuming CS=DS=SS=ES)
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82 | -ml large memory model (large code/large data)
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83 | -mm medium memory model (large code/small data)
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84 | -ms small memory model (small code/small data)
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85 | -na disable automatic inclusion of _ialias.h
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86 | -nc=<id> set code class name
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87 | -nd=<id> set data segment name
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88 | -nm=<file> set module name
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89 | -nt=<id> set name of text segment
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90 | -o{a,b,c,d,e,f[+],h,i,k,l,m,n,o,p,r,s,t,u,x,z} control optimization
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91 | a -> relax aliasing constraints
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92 | b -> enable branch prediction
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93 | c -> disable <call followed by return> to <jump> optimization
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94 | (Press return to continue)
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95 | d -> disable all optimizations
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96 | e[=<num>] -> expand user functions inline (<num> controls max size)
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97 | f -> generate traceable stack frames as needed
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98 | f+ -> always generate traceable stack frames
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99 | h -> enable expensive optimizations (longer compiles)
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100 | i -> expand intrinsic functions inline
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101 | k -> include prologue/epilogue in flow graph
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102 | l -> enable loop optimizations
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103 | l+ -> enable loop unrolling optimizations
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104 | m -> generate inline code for math functions
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105 | n -> allow numerically unstable optimizations
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106 | o -> continue compilation if low on memory
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107 | p -> generate consistent floating-point results
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108 | r -> reorder instructions for best pipeline usage
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109 | s -> favor code size over execution time in optimizations
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110 | t -> favor execution time over code size in optimizations
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111 | u -> all functions must have unique addresses
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112 | x -> equivalent to -obmiler -s
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113 | z -> NULL points to valid memory in the target environment
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114 | -pil preprocessor ignores #line directive
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115 | -p{c,l,w=<num>} preprocess source file
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116 | c -> preserve comments
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117 | (Press return to continue)
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118 | l -> insert #line directives
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119 | w=<num> -> wrap output lines at <num> columns. Zero means no wrap.
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120 | -q operate quietly
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121 | -r save/restore segment registers across calls
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122 | -ri return chars and shorts as ints
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123 | -s remove stack overflow checks
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124 | -sg generate calls to grow the stack
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125 | -st touch stack through SS first
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126 | -tp=<id> set #pragma on( <id> )
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127 | -u<id> undefine macro <id>
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128 | -v output function declarations to .def
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129 | -vcap VC++ compatibility: alloca allowed in argument lists
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130 | -w=<num> set warning level number
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131 | -wcd=<num> warning control: disable warning message <num>
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132 | -wce=<num> warning control: enable warning message <num>
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133 | -we treat all warnings as errors
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134 | -wx set warning level to maximum setting
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135 | -za disable extensions (i.e., accept only ISO/ANSI C)
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136 | -zc place const data into the code segment
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137 | -zdf DS floats i.e. not fixed to DGROUP
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138 | -zdp DS is pegged to DGROUP
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139 | -zdl Load DS directly from DGROUP
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140 | (Press return to continue)
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141 | -ze enable extensions (i.e., near, far, export, etc.)
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142 | -zev enable arithmetic on void derived types
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143 | -zfw generate FWAIT instructions
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144 | -zff FS floats i.e. not fixed to a segment
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145 | -zfp FS is pegged to a segment
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146 | -zgf GS floats i.e. not fixed to a segment
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147 | -zgp GS is pegged to a segment
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148 | -zg generate function prototypes using base types
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149 | -zk0 double-byte character support: Kanji
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150 | -zk0u translate double-byte Kanji to Unicode
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151 | -zk1 double-byte character support: Traditional Chinese
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152 | -zk2 double-byte character support: Korean
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153 | -zk3 double-byte character support: Simplified Chinese
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154 | -zkl double-byte character support: local installed language
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155 | -zku=<num> load UNICODE translate table for specified code page
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156 | -zl remove default library information
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157 | -zld remove file dependency information
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158 | -zlf add default library information to object files
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159 | -zls remove automatically inserted symbols
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160 | -zm place each function in separate segment
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161 | -zp=<num> pack structure members with alignment {1,2,4,8,16}
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162 | -zpw output warning when padding is added in a struct
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163 | (Press return to continue)
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164 | -zq operate quietly (equivalent to -q)
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165 | -zro omit floating point rounding calls (non ANSI)
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166 | -zri inline floating point rounding calls
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167 | -zs syntax check only
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168 | -zt[=<num>] set far data threshold (i.e., larger objects go in far memory)
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169 | -zu SS != DGROUP (i.e., don't assume stack is in your data segment)
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170 | -zw generate code for Microsoft Windows
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171 | -zz remove "@size" from __stdcall function names (10.0 compatible)
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