diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ReleaseNotes.html | 73 |
1 files changed, 16 insertions, 57 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index 5b71a71..6b4bc45 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -312,9 +312,6 @@ href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">LLVMdev list</a>.</p> <ul> <li>The X86 backend does not yet support <a href="http://llvm.org/PR879">inline assembly that uses the X86 floating point stack</a>.</li> -<li>The X86 backend occasionally has <a href="http://llvm.org/PR1649">alignment - problems</a> on operating systems that don't require 16-byte stack alignment - (including most non-darwin OS's like linux).</li> <li>The X86 backend generates inefficient floating point code when configured to generate code for systems that don't have SSE2.</li> </ul> @@ -422,10 +419,8 @@ programs.</li> <div class="doc_text"> <ul> -<li><a href="http://llvm.org/PR802">The C backend does not support inline - assembly code</a>.</li> -<li><a href="http://llvm.org/PR1126">The C backend does not support vectors - yet</a>.</li> +<li><a href="http://llvm.org/PR802">The C backend has only basic support for + inline assembly code</a>.</li> <li><a href="http://llvm.org/PR1658">The C backend violates the ABI of common C++ programs</a>, preventing intermixing between C++ compiled by the CBE and C++ code compiled with LLC or native compilers.</li> @@ -437,7 +432,7 @@ programs.</li> <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="c-fe">Known problems with the C front-end</a> + <a name="c-fe">Known problems with the llvm-gcc C front-end</a> </div> <!-- _______________________________________________________________________ --> @@ -449,57 +444,20 @@ programs.</li> Optimization</a> on most platforms "out-of-the-box". Please inquire on the llvmdev mailing list if you are interested.</p> -</div> - -<!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> - Notes -</div> - -<div class="doc_text"> -<ul> - -<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 these GCC extensions:</p> - <ol> - <li><a href="http://gcc.gnu.org/onlinedocs/gcc/Nested-Functions.html#Nested%20Functions">Nested Functions</a>: +<p>The only major language feature of GCC not supported by llvm-gcc is + the <tt>__builtin_apply</tt> family of builtins. However, some extensions + are only supported on some targets. For example, trampolines are only + supported on some targets, which are used when you take the address of a + nested function.</p> - As in Algol and Pascal, lexical scoping of functions. - Nested functions are supported, but llvm-gcc does not support - taking the address of a nested function (except on X86 targets) - or non-local gotos.</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>always_inline</tt>, <tt>cdecl</tt>, - <tt>const</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>noinline</tt>, - <tt>noreturn</tt>, <tt>nothrow</tt>, <tt>pure</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>malloc</tt>, - <tt>no_instrument_function</tt></li> - </ol> -</li> - -</ul> - -<p>If you run into GCC extensions which have not been included in any of these -lists, please let us know (also including whether or not they work).</p> +<p>If you run into GCC extensions which are not supported, please let us know. +</p> </div> <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="c++-fe">Known problems with the C++ front-end</a> + <a name="c++-fe">Known problems with the llvm-gcc C++ front-end</a> </div> <div class="doc_text"> @@ -509,8 +467,9 @@ tested and works for a number of non-trivial programs, including LLVM itself, Qt, Mozilla, etc.</p> <ul> -<li>Exception handling only works well on the X86 and PowerPC targets. -It works well for x86-64 darwin but not x86-64 linux.</li> +<li>Exception handling works well on the X86 and PowerPC targets, including +x86-64 darwin. This works when linking to a libstdc++ compiled by GCC. It is +supported on x86-64 linux, but that is disabled by default in this release.</li> </ul> </div> @@ -518,7 +477,7 @@ It works well for x86-64 darwin but not x86-64 linux.</li> <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="ada-fe">Known problems with the Ada front-end</a> + <a name="ada-fe">Known problems with the llvm-gcc Ada front-end</a> </div> <div class="doc_text"> @@ -551,7 +510,7 @@ integers.</li> <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="fortran-fe">Known problems with the Fortran front-end</a> + <a name="fortran-fe">Known problems with the llvm-gcc Fortran front-end</a> </div> <div class="doc_text"> |