diff options
Diffstat (limited to 'contrib/gcc/doc/extend.texi')
| -rw-r--r-- | contrib/gcc/doc/extend.texi | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/contrib/gcc/doc/extend.texi b/contrib/gcc/doc/extend.texi index f656904..f2aca2a 100644 --- a/contrib/gcc/doc/extend.texi +++ b/contrib/gcc/doc/extend.texi @@ -2554,7 +2554,7 @@ Currently, the attribute is ignored for inlined functions. If the attribute is applied to a symbol @emph{definition}, an error is reported. If a symbol previously declared @code{dllimport} is later defined, the attribute is ignored in subsequent references, and a warning is emitted. -The attribute is also overriden by a subsequent declaration as +The attribute is also overridden by a subsequent declaration as @code{dllexport}. When applied to C++ classes, the attribute marks non-inlined @@ -2636,7 +2636,7 @@ found convenient to use @code{__attribute__} to achieve a natural attachment of attributes to their corresponding declarations, whereas @code{#pragma GCC} is of use for constructs that do not naturally form part of the grammar. @xref{Other Directives,,Miscellaneous -Preprocessing Directives, cpp, The C Preprocessor}. +Preprocessing Directives, cpp, The GNU C Preprocessor}. @node Attribute Syntax @section Attribute Syntax @@ -3666,7 +3666,7 @@ the single copy in the library. Since GCC eventually will implement ISO C99 semantics for inline functions, it is best to use @code{static inline} only -to guarentee compatibility. (The +to guarantee compatibility. (The existing semantics will remain available when @option{-std=gnu89} is specified, but eventually the default will be @option{-std=gnu99} and that will implement the C99 semantics, though it does not do so yet.) @@ -5315,6 +5315,31 @@ Generates the @code{movhps} machine instruction as a store to memory. Generates the @code{movlps} machine instruction as a store to memory. @end table +The following built-in functions are available when @option{-mpni} is used. +All of them generate the machine instruction that is part of the name. + +@example +v2df __builtin_ia32_addsubpd (v2df, v2df) +v2df __builtin_ia32_addsubps (v2df, v2df) +v2df __builtin_ia32_haddpd (v2df, v2df) +v2df __builtin_ia32_haddps (v2df, v2df) +v2df __builtin_ia32_hsubpd (v2df, v2df) +v2df __builtin_ia32_hsubps (v2df, v2df) +v16qi __builtin_ia32_lddqu (char const *) +void __builtin_ia32_monitor (void *, unsigned int, unsigned int) +v2df __builtin_ia32_movddup (v2df) +v4sf __builtin_ia32_movshdup (v4sf) +v4sf __builtin_ia32_movsldup (v4sf) +void __builtin_ia32_mwait (unsigned int, unsigned int) +@end example + +The following built-in functions are available when @option{-mpni} is used. + +@table @code +@item v2df __builtin_ia32_loadddup (double const *) +Generates the @code{movddup} machine instruction as a load from memory. +@end table + The following built-in functions are available when @option{-m3dnow} is used. All of them generate the machine instruction that is part of the name. @@ -6895,8 +6920,8 @@ can also use most of the C language extensions in your C++ programs). If you want to write code that checks whether these features are available, you can test for the GNU compiler the same way as for C programs: check for a predefined macro @code{__GNUC__}. You can also use @code{__GNUG__} to -test specifically for GNU C++ (@pxref{Standard Predefined,,Standard -Predefined Macros,cpp.info,The C Preprocessor}). +test specifically for GNU C++ (@pxref{Common Predefined Macros,, +Predefined Macros,cpp,The GNU C Preprocessor}). @menu * Min and Max:: C++ Minimum and maximum operators. |
