diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 17de42e5a79..43c7ba080d0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2012-03-11 Sandra Loosemore + + * doc/invoke.texi (Option Summary): Move -no-integrated-cpp + from C Language Options to Preprocessor Options. + (C Dialect Options): Move -no-integrated-cpp documentation + from here... + (Preprocessor Options): ...to here. Rewrite the description + so it makes more sense, and remove discussion of merging + front ends. + 2012-03-11 H.J. Lu * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 308d46e635d..a1196f06193 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -174,7 +174,7 @@ in the following sections. -aux-info @var{filename} -fallow-parameterless-variadic-functions @gol -fno-asm -fno-builtin -fno-builtin-@var{function} @gol -fhosted -ffreestanding -fopenmp -fms-extensions -fplan9-extensions @gol --trigraphs -no-integrated-cpp -traditional -traditional-cpp @gol +-trigraphs -traditional -traditional-cpp @gol -fallow-single-precision -fcond-mismatch -flax-vector-conversions @gol -fsigned-bitfields -fsigned-char @gol -funsigned-bitfields -funsigned-char} @@ -433,7 +433,7 @@ Objective-C and Objective-C++ Dialects}. -M -MM -MF -MG -MP -MQ -MT -nostdinc @gol -P -fdebug-cpp -ftrack-macro-expansion -fworking-directory @gol -remap -trigraphs -undef -U@var{macro} @gol --Wp,@var{option} -Xpreprocessor @var{option}} +-Wp,@var{option} -Xpreprocessor @var{option} -no-integrated-cpp} @item Assembler Option @xref{Assembler Options,,Passing Options to the Assembler}. @@ -1794,17 +1794,6 @@ supported for C, not C++. Support ISO C trigraphs. The @option{-ansi} option (and @option{-std} options for strict ISO C conformance) implies @option{-trigraphs}. -@item -no-integrated-cpp -@opindex no-integrated-cpp -Performs a compilation in two passes: preprocessing and compiling. This -option allows a user supplied "cc1", "cc1plus", or "cc1obj" via the -@option{-B} option. The user supplied compilation step can then add in -an additional preprocessing step after normal preprocessing but before -compiling. The default is to use the integrated cpp (internal cpp) - -The semantics of this option will change if "cc1", "cc1plus", and -"cc1obj" are merged. - @cindex traditional C language @cindex C language, traditional @item -traditional @@ -9300,6 +9289,21 @@ recognize. If you want to pass an option that takes an argument, you must use @option{-Xpreprocessor} twice, once for the option and once for the argument. + +@item -no-integrated-cpp +@opindex no-integrated-cpp +Perform preprocessing as a separate pass before compilation. +By default, GCC performs preprocessing as an integrated part of +input tokenization and parsing. +If this option is provided, the appropriate language front end +(@command{cc1}, @command{cc1plus}, or @command{cc1obj} for C, C++, +and Objective-C, respectively) is instead invoked twice, +once for preprocessing only and once for actual compilation +of the preprocessed input. +This option may be useful in conjunction with the @option{-B} or +@option{-wrapper} options to specify an alternate preprocessor or +perform additional processing of the program source between +normal preprocessing and compilation. @end table @include cppopts.texi