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Diffstat (limited to 'docs/ReleaseNotes.html')
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1 files changed, 57 insertions, 6 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index fc3a8b71bd..31cb26ca02 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -226,17 +226,26 @@ Release Notes</a>.</h1> <div> <p><a href="http://polly.llvm.org/">Polly</a> is an <em>experimental</em> - optimizer for data locality and parallelism. It currently provides high-level - loop optimizations and automatic parallelisation (using the OpenMP run time). - Work in the area of automatic SIMD and accelerator code generation was - started.</p> + optimizer for data locality and parallelism. It provides high-level + loop optimizations and automatic parallelisation.</p> <p>Within the LLVM 3.2 time-frame there were the following highlights:</p> <ul> - <li>...</li> + <li>isl, the integer set library used by Polly, was relicensed to the MIT +license</li> + <li>isl based code generation<br /> + <ul> +<li>MIT licensed replacement for CLooG (LGPLv2) </li> +<li>Fine grained option handling (separation of +core and border computations, control overhead vs. code size) </li> +</li> +</ul> +<li>Support for FORTRAN and dragonegg</li> +<li>OpenMP code generation fixes</li> </ul> + </div> </div> @@ -489,7 +498,7 @@ Release Notes</a>.</h1> <ul> <li>The inner most loops must have a single basic block.</li> <li>The number of iterations are known before the loop starts to execute.</li> - <li>The loop counter needs to be incrimented by one.</li> + <li>The loop counter needs to be incremented by one.</li> <li>The loop trip count <b>can</b> be a variable.</li> <li>Loops do <b>not</b> need to start at zero.</li> <li>The induction variable can be used inside the loop.</li> @@ -647,6 +656,46 @@ Release Notes</a>.</h1> <!--=========================================================================--> <h3> +<a name="PowerPC">PowerPC 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> +<p>There have also been code generation improvements for both 32- and 64-bit + code. Instruction scheduling support for the Freescale e500mc and e5500 + cores has been added.</p> +</ul> + +</div> + +<!--=========================================================================--> +<h3> <a name="OtherTS">Other Target Specific Improvements</a> </h3> @@ -670,6 +719,8 @@ Release Notes</a>.</h1> from the previous release.</p> <ul> + <li>The CellSPU port has been removed. It can still be found in older + versions.</li> <li>...</li> </ul> |