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update release notes for 1.2

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llvm-svn: 12467
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Chris Lattner 2004-03-17 03:54:41 +00:00
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@ -81,12 +81,12 @@ href="bugfix">bug fixes</a>. Overall, this is our highest quality release to
date, and we encourage you to upgrade if you are using LLVM 1.0 or 1.1. date, and we encourage you to upgrade if you are using LLVM 1.0 or 1.1.
</p> </p>
<p><B> FIXME: UPDATE: </b> <p>
At this time, LLVM is known to correctly compile and run all C At this time, LLVM is known to correctly compile and run all C &amp; C++ SPEC
&amp; C++ SPEC CPU2000 benchmarks, the Olden benchmarks, and the Ptrdist CPU2000 benchmarks, the Olden benchmarks, and the Ptrdist benchmarks. It has
benchmarks. It has also been used to compile <b>many</b> other programs. LLVM also been used to compile <b>many</b> other programs. LLVM now also works with
now also works with a broad variety of C++ programs, though it has still a broad variety of C++ programs, though it has still received less testing than
received less testing than the C front-end. the C front-end.
</p> </p>
<!--=========================================================================--> <!--=========================================================================-->
@ -127,6 +127,13 @@ tool. You can activate it with "<tt>llc -march=c foo.bc -o foo.c</tt>".</li>
<li>LLVM includes a new interprocedural optimization that marks global variables <li>LLVM includes a new interprocedural optimization that marks global variables
"constant" when they are provably never written to.</li> "constant" when they are provably never written to.</li>
<li>LLVM now includes a new interprocedural optimization that converts small "by reference" arguments to "by value" arguments, which is often improve the performance of C++ programs substantially.</li> <li>LLVM now includes a new interprocedural optimization that converts small "by reference" arguments to "by value" arguments, which is often improve the performance of C++ programs substantially.</li>
<li>Bugpoint can now do a better job reducing miscompilation problems by
reducing programs down to a particular loop nest, instead of just the function
being miscompiled.</li>
<li>The GCSE and LICM passes can now operate on side-effect-free function calls, for example hoisting calls to "<tt>strlen</tt>" and folding "<tt>cos</tt>" common subexpressions.</li>
<li>LLVM has early support for a new <a
href="LangRef.html#i_select"><tt>select</tt></a> instruction, though it is
currently only supported by the C backend.</li>
</ol> </ol>
@ -136,9 +143,9 @@ In this release, the following missing features were implemented:
</div> </div>
<ol> <ol>
<li><a href="http://llvm.cs.uiuc.edu/PR16">Exception handling support in the X86 <li><a href="http://llvm.cs.uiuc.edu/PR16">Exception handling in the X86
&amp; Sparc native code generators</a></li> &amp; Sparc native code generators</a> is now supported</li>
<li>The C/C++ front-end now support the GCC <tt>__builtin_return_address</tt> and <tt>__builtin_frame_address</tt> extensions.</li> <li>The C/C++ front-end now support the GCC <tt>__builtin_return_address</tt> and <tt>__builtin_frame_address</tt> extensions. These are also supported by the X86 backend and by the C backend.</li>
<li><a href="http://llvm.cs.uiuc.edu/PR249">[X86] Missing cast from ULong -> Double, cast FP -> bool and support for -9223372036854775808</a></li> <li><a href="http://llvm.cs.uiuc.edu/PR249">[X86] Missing cast from ULong -> Double, cast FP -> bool and support for -9223372036854775808</a></li>
<li>The C/C++ front-end <a href="http://llvm.cs.uiuc.edu/PR273">now supports</a> <li>The C/C++ front-end <a href="http://llvm.cs.uiuc.edu/PR273">now supports</a>
the "<a href="http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html#Labels%20as%20Values">labels as values</a>" GCC extension, often used to build "threaded interpreters".</a></li> the "<a href="http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html#Labels%20as%20Values">labels as values</a>" GCC extension, often used to build "threaded interpreters".</a></li>