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ReleaseNotes.html updates reflecting PPC64 Elf Linux efforts and progress.

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llvm-svn: 168189
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Will Schmidt 2012-11-16 19:46:35 +00:00
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@ -645,6 +645,43 @@ Release Notes</a>.</h1>
</div>
<!--=========================================================================-->
<h3>
<a name="PPC64">PowerPC64 Elf Linux Target Improvements</a>
</h3>
<div>
<ul>
<p>Many fixes and changes across LLVM (and Clang) for better compliance with
the 64-bit PowerPC ELF Application Binary Interface, interoperability with
GCC, and overall 64-bit PowerPC support. Some highlights include:</p>
<ul>
<li> MCJIT support added.</li>
<li> PPC64 relocation support and (small code model) TOC handling
added.</li>
<li> Parameter passing and return value fixes (alignment issues,
padding, varargs support, proper register usage, odd-sized
structure support, float support, extension of return values
for i32 return values).</li>
<li> Fixes in spill and reload code for vector registers.</li>
<li> C++ exception handling enabled.</li>
<li> Changes to remediate double-rounding compatibility issues with
respect to GCC behavior.</li>
<li> Refactoring to disentangle ppc64-elf-linux ABI from Darwin
ppc64 ABI support.</li>
<li> Assorted new test cases and test case fixes (endian and word
size issues).</li>
<li> Fixes for big-endian codegen bugs, instruction encodings, and
instruction constraints.</li>
<li> Implemented -integrated-as support.</li>
<li> Additional support for Altivec compare operations.</li>
<li> IBM long double support.</li>
</ul>
</ul>
</div>
<!--=========================================================================-->
<h3>
<a name="OtherTS">Other Target Specific Improvements</a>