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-rw-r--r--src/gallium/drivers/llvmpipe/README36
1 files changed, 21 insertions, 15 deletions
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README
index 89d08834a3c..0c3f00fd58f 100644
--- a/src/gallium/drivers/llvmpipe/README
+++ b/src/gallium/drivers/llvmpipe/README
@@ -51,21 +51,22 @@ Requirements
- Linux
- - udis86, http://udis86.sourceforge.net/ . Use my repository, which decodes
- opcodes not yet supported by upstream.
+ - A x86 or amd64 processor. 64bit mode is preferred.
- git clone git://people.freedesktop.org/~jrfonseca/udis86
- cd udis86
- ./configure --with-pic
- make
- sudo make install
+ Support for sse2 is strongly encouraged. Support for ssse3, and sse4.1 will
+ yield the most efficient code. The less features the CPU has the more
+ likely is that you ran into underperforming, buggy, or incomplete code.
+
+ See /proc/cpuinfo to know what your CPU supports.
+
+ - LLVM 2.5 or greater. LLVM 2.6 is preferred.
- - LLVM 2.5. On Debian based distributions do:
+ On Debian based distributions do:
aptitude install llvm-dev
- There is a typo in one of the llvm-dev 2.5 headers, that causes compilation
- errors in the debug build:
+ There is a typo in one of the llvm 2.5 headers, that may cause compilation
+ errors. To fix it apply the change:
--- /usr/include/llvm-c/Core.h.orig 2009-08-10 15:38:54.000000000 +0100
+++ /usr/include/llvm-c/Core.h 2009-08-10 15:38:25.000000000 +0100
@@ -79,12 +80,17 @@ Requirements
#endif
return reinterpret_cast<T**>(Vals);
- - A x86 or amd64 processor with support for sse2, sse3, and sse4.1 SIMD
- instructions. This is necessary because we emit several SSE intrinsics for
- convenience. See /proc/cpuinfo to know what your CPU supports.
-
- - scons
+ - scons (optional)
+ - udis86, http://udis86.sourceforge.net/ (optional):
+
+ git clone git://udis86.git.sourceforge.net/gitroot/udis86/udis86
+ cd udis86
+ ./autogen.sh
+ ./configure --with-pic
+ make
+ sudo make install
+
Building
========