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| -rw-r--r-- | docs/ReleaseNotes.html | 87 |
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diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index bf2fd30..9953d6a 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -679,8 +679,6 @@ programs.</li> Optimization</a> on most platforms "out-of-the-box". Please inquire on the llvmdev mailing list if you are interested.</p> -<p>FIXME: the list of supported stuff below needs to be updated. We do support -tls now, what else??</p> </div> <!-- _______________________________________________________________________ --> @@ -689,85 +687,52 @@ tls now, what else??</p> </div> <div class="doc_text"> - <ul> -<li>"long double" is transformed by the front-end into "double". There is no -support for floating point data types of any size other than 32 and 64 -bits.</li> +<li><p>"long double" is silently transformed by the front-end into "double". There +is no support for floating point data types of any size other than 32 and 64 +bits.</p></li> -<li>Although many GCC extensions are supported, some are not. In particular, - the following extensions are known to <b>not be</b> supported: - <ol> - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Local-Labels.html#Local%20Labels">Local Labels</a>: Labels local to a block.</li> - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Nested-Functions.html#Nested%20Functions">Nested Functions</a>: As in Algol and Pascal, lexical scoping of functions.</li> - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Constructing-Calls.html#Constructing%20Calls">Constructing Calls</a>: Dispatching a call to another function.</li> - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Thread_002dLocal.html">Thread-Local</a>: Per-thread variables.</li> - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Pragmas.html#Pragmas">Pragmas</a>: Pragmas accepted by GCC.</li> - </ol> - - <p>The following GCC extensions are <b>partially</b> supported. An ignored - attribute means that the LLVM compiler ignores the presence of the attribute, - but the code should still work. An unsupported attribute is one which is - ignored by the LLVM compiler and will cause a different interpretation of - the program.</p> +<li><p>llvm-gcc does <b>not</b> support <tt>__builtin_apply</tt> yet. + See <a href="http://gcc.gnu.org/onlinedocs/gcc/Constructing-Calls.html#Constructing%20Calls">Constructing Calls</a>: Dispatching a call to another function.</p> +</li> +<li><p>llvm-gcc <b>partially</b> supports tthese GCC extensions:</p> <ol> - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html#Variable%20Length">Variable Length</a>: - Arrays whose length is computed at run time.<br> - Supported, but allocated stack space is not freed until the function returns (noted above).</li> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Nested-Functions.html#Nested%20Functions">Nested Functions</a>: As in Algol and Pascal, lexical scoping of functions.<br> + Nested functions are supported, but llvm-gcc does not support non-local + gotos or taking the address of a nested function.</li> <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html#Function%20Attributes">Function Attributes</a>: Declaring that functions have no side effects or that they can never return.<br> - <b>Supported:</b> <tt>alias</tt>, <tt>constructor</tt>, <tt>destructor</tt>, + <b>Supported:</b> <tt>alias</tt>, <tt>always_inline</tt>, <tt>cdecl</tt>, + <tt>constructor</tt>, <tt>destructor</tt>, <tt>deprecated</tt>, <tt>fastcall</tt>, <tt>format</tt>, <tt>format_arg</tt>, <tt>non_null</tt>, <tt>noreturn</tt>, <tt>regparm</tt> <tt>section</tt>, <tt>stdcall</tt>, <tt>unused</tt>, <tt>used</tt>, <tt>visibility</tt>, <tt>warn_unused_result</tt>, <tt>weak</tt><br> - <b>Ignored:</b> <tt>noinline</tt>, - <tt>always_inline</tt>, <tt>pure</tt>, <tt>const</tt>, <tt>nothrow</tt>, - <tt>malloc</tt>, <tt>no_instrument_function</tt>, <tt>cdecl</tt><br> - - <b>Unsupported:</b> All other target specific attributes</li> - - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Variable-Attributes.html#Variable%20Attributes">Variable Attributes</a>: - Specifying attributes of variables.<br> - <b>Supported:</b> <tt>alias</tt>, <tt>cleanup</tt>, <tt>common</tt>, - <tt>nocommon</tt>, <tt>deprecated</tt>, <tt>dllimport</tt>, - <tt>dllexport</tt>, <tt>section</tt>, <tt>transparent_union</tt>, - <tt>unused</tt>, <tt>used</tt>, <tt>weak</tt><br> - - <b>Unsupported:</b> <tt>aligned</tt>, <tt>mode</tt>, <tt>packed</tt>, - <tt>shared</tt>, <tt>tls_model</tt>, - <tt>vector_size</tt>, all target specific attributes. - </li> - - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Type-Attributes.html#Type%20Attributes">Type Attributes</a>: Specifying attributes of types.<br> - <b>Supported:</b> <tt>transparent_union</tt>, <tt>unused</tt>, - <tt>deprecated</tt>, <tt>may_alias</tt><br> - - <b>Unsupported:</b> <tt>aligned</tt>, <tt>packed</tt>, - all target specific attributes.</li> - - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html#Other%20Builtins">Other Builtins</a>: - Other built-in functions.<br> - We support all builtins which have a C language equivalent (e.g., - <tt>__builtin_cos</tt>), <tt>__builtin_alloca</tt>, - <tt>__builtin_types_compatible_p</tt>, <tt>__builtin_choose_expr</tt>, - <tt>__builtin_constant_p</tt>, and <tt>__builtin_expect</tt> - (currently ignored). We also support builtins for ISO C99 floating - point comparison macros (e.g., <tt>__builtin_islessequal</tt>), - <tt>__builtin_prefetch</tt>, <tt>__builtin_popcount[ll]</tt>, - <tt>__builtin_clz[ll]</tt>, and <tt>__builtin_ctz[ll]</tt>.</li> + <b>Ignored:</b> <tt>noinline</tt>, <tt>pure</tt>, <tt>const</tt>, <tt>nothrow</tt>, + <tt>malloc</tt>, <tt>no_instrument_function</tt></li> </ol> +</li> - <p>The following extensions <b>are</b> known to be supported:</p> +<li><p>llvm-gcc supports the vast majority of GCC extensions, including:</p> <ol> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Pragmas.html#Pragmas">Pragmas</a>: Pragmas accepted by GCC.</li> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Local-Labels.html#Local%20Labels">Local Labels</a>: Labels local to a block.</li> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html#Other%20Builtins">Other Builtins</a>: + Other built-in functions.</li> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Variable-Attributes.html#Variable%20Attributes">Variable Attributes</a>: + Specifying attributes of variables.</li> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Type-Attributes.html#Type%20Attributes">Type Attributes</a>: Specifying attributes of types.</li> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Thread_002dLocal.html">Thread-Local</a>: Per-thread variables.</li> + <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html#Variable%20Length">Variable Length</a>: + Arrays whose length is computed at run time.</li> <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html#Labels%20as%20Values">Labels as Values</a>: Getting pointers to labels and computed gotos.</li> <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Statement-Exprs.html#Statement%20Exprs">Statement Exprs</a>: Putting statements and declarations inside expressions.</li> <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Typeof.html#Typeof">Typeof</a>: <code>typeof</code>: referring to the type of an expression.</li> |