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-rw-r--r--src/gallium/drivers/llvmpipe/README4
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: