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| author | Brian Paul <brianp@vmware.com> | 2011-04-07 13:43:00 -0600 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2011-04-20 09:57:07 +0100 |
| commit | d4a82b3146b4ea26ca7c315343d82f796a2f19d3 (patch) | |
| tree | e5412c659501ba61797866be08f41c9966622c98 | |
| parent | 8d539264caea272f488ba20c44596f360999697a (diff) | |
llvmpipe: document issue with LLVM 2.8 and earlier with AVX
| -rw-r--r-- | src/gallium/drivers/llvmpipe/README | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README index 1fc7746a834..cd0e476e73b 100644 --- a/src/gallium/drivers/llvmpipe/README +++ b/src/gallium/drivers/llvmpipe/README @@ -13,6 +13,10 @@ Requirements See /proc/cpuinfo to know what your CPU supports. - LLVM. Version 2.8 recommended. 2.6 or later required. + + NOTE: LLVM 2.8 and earlier will not work on systems that support the + Intel AVX extensions (e.g. Sandybridge). LLVM's code generator will + fail when trying to emit AVX instructions. This was fixed in LLVM 2.9. For Linux, on a recent Debian based distribution do: |