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| author | Bob Wilson <bob.wilson@apple.com> | 2009-08-12 21:19:49 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2009-08-12 21:19:49 +0000 |
| commit | 8033384f7539b4353e3c8c8027433b7d17c82a35 (patch) | |
| tree | 182dca20e91c5962ae5614da7f1cb051b67cf3f2 /docs/ReleaseNotes-2.6.html | |
| parent | 8ee65c55dc0cdaaa3d354830187e7674258b4cbe (diff) | |
| download | external_llvm-8033384f7539b4353e3c8c8027433b7d17c82a35.zip external_llvm-8033384f7539b4353e3c8c8027433b7d17c82a35.tar.gz external_llvm-8033384f7539b4353e3c8c8027433b7d17c82a35.tar.bz2 | |
Add some release notes about ARM v7 support and known problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78842 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/ReleaseNotes-2.6.html')
| -rw-r--r-- | docs/ReleaseNotes-2.6.html | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/docs/ReleaseNotes-2.6.html b/docs/ReleaseNotes-2.6.html index e595d2e..1dbecf6 100644 --- a/docs/ReleaseNotes-2.6.html +++ b/docs/ReleaseNotes-2.6.html @@ -395,6 +395,27 @@ it run faster:</p> </div> +<!--=========================================================================--> +<div class="doc_subsection"> +<a name="ARM">ARM Target Improvements</a> +</div> + +<div class="doc_text"> +<p>New features of the ARM target include: +</p> + +<ul> + +<li>Preliminary support for processors, such as the Cortex-A8 and Cortex-A9, +that implement version 7 of the ARM architecture. The ARM backend now +supports both the Thumb2 and Advanced SIMD (Neon) instruction sets. +These features are still somewhat experimental and subject to change. +The Neon intrinsics, in particular, may change in future releases of LLVM. +</li> +</ul> + +</div> + <!--=========================================================================--> <div class="doc_subsection"> @@ -638,6 +659,9 @@ compilation, and lacks support for debug information.</li> <div class="doc_text"> <ul> +<li>Support for the Advanced SIMD (Neon) instruction set is still incomplete +and not well tested. Some features may not work at all, and the code quality +may be poor in some cases.</li> <li>Thumb mode works only on ARMv6 or higher processors. On sub-ARMv6 processors, thumb programs can crash or produce wrong results (<a href="http://llvm.org/PR1388">PR1388</a>).</li> |