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random notes, llvm-gcc is gone, fix a few broken tags.
llvm-svn: 144311
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Chris Lattner
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@ -81,7 +81,7 @@ Release Notes</a>.</h1>
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<p>The LLVM 3.0 distribution currently consists of code from the core LLVM
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repository (which roughly includes the LLVM optimizers, code generators and
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supporting tools), the Clang repository and the llvm-gcc repository. In
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supporting tools), and the Clang repository. In
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addition to this code, the LLVM Project includes other sub-projects that are
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in development. Here we include updates on these subprojects.</p>
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@ -442,7 +442,7 @@ be used to verify some algorithms.
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a single core of a CPU with an 8-wide SIMD unit compared to serial code,
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while still providing a clean and easy-to-understand programming model. For
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an introduction to the language and its performance,
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see <a href="http://ispc.github.com/example.html">the walkthrough of a short
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see <a href="http://ispc.github.com/example.html">the walkthrough</a> of a short
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example program. ispc is licensed under the BSD license.</p>
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</div>
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@ -639,89 +639,6 @@ be used to verify some algorithms.
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ZooLib all support.</p>
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</div>
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<!--=========================================================================-->
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<!--
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<h3>PinaVM</h3>
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<div>
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<p><a href="http://gitorious.org/pinavm/pages/Home">PinaVM</a> is an open
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source, <a href="http://www.systemc.org/">SystemC</a> front-end. Unlike many
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other front-ends, PinaVM actually executes the elaboration of the
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program analyzed using LLVM's JIT infrastructure. It later enriches the
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bitcode with SystemC-specific information.</p>
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</div>
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-->
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<!--=========================================================================-->
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<!--
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<h3 id="icedtea">IcedTea Java Virtual Machine Implementation</h3>
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<div>
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<p>
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<a href="http://icedtea.classpath.org/wiki/Main_Page">IcedTea</a> provides a
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harness to build OpenJDK using only free software build tools and to provide
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replacements for the not-yet free parts of OpenJDK. One of the extensions that
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IcedTea provides is a new JIT compiler named <a
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href="http://icedtea.classpath.org/wiki/ZeroSharkFaq">Shark</a> which uses LLVM
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to provide native code generation without introducing processor-dependent
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code.
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</p>
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<p> OpenJDK 7 b112, IcedTea6 1.9 and IcedTea7 1.13 and later have been tested
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and are known to work with LLVM 3.0 (and continue to work with older LLVM
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releases >= 2.6 as well).</p>
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</div>
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-->
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<!--=========================================================================-->
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<!--
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<h3>Polly - Polyhedral optimizations for LLVM</h3>
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<div>
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<p>Polly is a project that aims to provide advanced memory access optimizations
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to better take advantage of SIMD units, cache hierarchies, multiple cores or
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even vector accelerators for LLVM. Built around an abstract mathematical
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description based on Z-polyhedra, it provides the infrastructure to develop
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advanced optimizations in LLVM and to connect complex external optimizers. In
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its first year of existence Polly already provides an exact value-based
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dependency analysis as well as basic SIMD and OpenMP code generation support.
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Furthermore, Polly can use PoCC(Pluto) an advanced optimizer for data-locality
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and parallelism.</p>
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</div>
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-->
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<!--=========================================================================-->
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<!--
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<h3>Rubinius</h3>
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<div>
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<p><a href="http://github.com/evanphx/rubinius">Rubinius</a> is an environment
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for running Ruby code which strives to write as much of the implementation in
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Ruby as possible. Combined with a bytecode interpreting VM, it uses LLVM to
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optimize and compile ruby code down to machine code. Techniques such as type
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feedback, method inlining, and deoptimization are all used to remove dynamism
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from ruby execution and increase performance.</p>
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</div>
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-->
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<!--=========================================================================-->
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<!--
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<h3>
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<a name="FAUST">FAUST Real-Time Audio Signal Processing Language</a>
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</h3>
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<div>
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<p>
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<a href="http://faust.grame.fr">FAUST</a> is a compiled language for real-time
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audio signal processing. The name FAUST stands for Functional AUdio STream. Its
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programming model combines two approaches: functional programming and block
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diagram composition. In addition with the C, C++, JAVA output formats, the
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Faust compiler can now generate LLVM bitcode, and works with LLVM 2.7-3.0.</p>
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</div>
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-->
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</div>
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@ -744,8 +661,10 @@ Faust compiler can now generate LLVM bitcode, and works with LLVM 2.7-3.0.</p>
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<div>
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<p>LLVM 3.0 includes several major new capabilities:</p>
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<p><b>llvm-gcc is gone</b></p>
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<p>LLVM 3.0 includes several major new capabilities:</p>
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<ul>
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<!--
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@ -1007,11 +926,11 @@ Builder.CreateResume(UnwindData);
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<a name="OtherTS">Other Target Specific Improvements</a>
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</h3>
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<p>PPC32/ELF va_arg was implemented.</p>
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<p>PPC32 initial support for .o file writing was implemented.</p>
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<div>
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<p>PPC32/ELF va_arg was implemented.</p>
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<p>PPC32 initial support for .o file writing was implemented.</p>
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<ul>
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<!--
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<li></li>
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@ -1231,10 +1150,6 @@ Builder.CreateResume(UnwindData);
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<li>Windows x64 (aka Win64) code generator has a few issues.
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<ul>
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<li>llvm-gcc cannot build the mingw-w64 runtime currently due to lack of
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support for the 'u' inline assembly constraint and for X87 floating
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point inline assembly.</li>
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<li>On mingw-w64, you will see unresolved symbol <tt>__chkstk</tt> due
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to <a href="http://llvm.org/bugs/show_bug.cgi?id=8919">Bug 8919</a>.
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It is fixed
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@ -1347,36 +1262,6 @@ Builder.CreateResume(UnwindData);
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</div>
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<!-- ======================================================================= -->
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<h3>
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<a name="llvm-gcc">Known problems with the llvm-gcc front-end</a>
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</h3>
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<div>
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<p><b>LLVM 2.9 was the last release of llvm-gcc.</b></p>
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<p>llvm-gcc is generally very stable for the C family of languages. The only
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major language feature of GCC not supported by llvm-gcc is the
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<tt>__builtin_apply</tt> family of builtins. However, some extensions
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are only supported on some targets. For example, trampolines are only
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supported on some targets (these are used when you take the address of a
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nested function).</p>
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<p>Fortran support generally works, but there are still several unresolved bugs
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in <a href="http://llvm.org/bugs/">Bugzilla</a>. Please see the
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tools/gfortran component for details. Note that llvm-gcc is missing major
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Fortran performance work in the frontend and library that went into GCC after
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4.2. If you are interested in Fortran, we recommend that you consider using
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<a href="#dragonegg">dragonegg</a> instead.</p>
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<p>The llvm-gcc 4.2 Ada compiler has basic functionality, but is no longer being
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actively maintained. If you are interested in Ada, we recommend that you
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consider using <a href="#dragonegg">dragonegg</a> instead.</p>
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</div>
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</div>
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<!-- *********************************************************************** -->
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