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Some release notes for dragonegg.

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Duncan Sands 2012-05-11 19:59:43 +00:00
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@ -120,17 +120,30 @@ Release Notes</a>.</h1>
<div>
<p><a href="http://dragonegg.llvm.org/">DragonEgg</a> is a
<a href="http://gcc.gnu.org/wiki/plugins">gcc plugin</a> that replaces GCC's
optimizers and code generators with LLVM's. It works with gcc-4.5 or gcc-4.6,
targets the x86-32 and x86-64 processor families, and has been successfully
used on the Darwin, FreeBSD, KFreeBSD, Linux and OpenBSD platforms. It fully
supports Ada, C, C++ and Fortran. It has partial support for Go, Java, Obj-C
and Obj-C++.</p>
optimizers and code generators with LLVM's. It works with gcc-4.5 and gcc-4.6
(and partially with gcc-4.7), can target the x86-32/x86-64 and ARM processor
families, and has been successfully used on the Darwin, FreeBSD, KFreeBSD,
Linux and OpenBSD platforms. It fully supports Ada, C, C++ and Fortran. It
has partial support for Go, Java, Obj-C and Obj-C++.</p>
<p>The 3.1 release has the following notable changes:</p>
<ul>
<li>...</li>
<li>Partial support for gcc-4.7. Ada support is poor, but other languages work
fairly well.</li>
<li>Support for ARM processors. Some essential gcc headers that are needed to
build DragonEgg for ARM are not installed by gcc. To work around this,
copy the missing headers from the gcc source tree.</li>
<li>Better optimization for Fortran by exploiting the fact that Fortran scalar
arguments have 'restrict' semantics.</li>
<li>Better optimization for all languages by passing information about type
aliasing and type ranges to the LLVM optimizers.</li>
<li>A regression test-suite was added.</li>
</ul>