Mesa (7.10): gallivm: Disable MMX-disabling code on llvm-2.9.

Jose Fonseca jrfonseca at kemper.freedesktop.org
Wed Apr 20 02:31:28 PDT 2011


Module: Mesa
Branch: 7.10
Commit: f814e28e6df1d594ac49d1cc351ff1f54488bf49
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f814e28e6df1d594ac49d1cc351ff1f54488bf49

Author: Vinson Lee <vlee at vmware.com>
Date:   Wed Dec 22 19:44:00 2010 -0800

gallivm: Disable MMX-disabling code on llvm-2.9.

The disable-mmx option was removed in llvm-2.9svn by revisions 122188
and 122189.

Fixes FDO bug 32564.

---

 src/gallium/auxiliary/gallivm/lp_bld_misc.cpp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
index f56ddee..46dd00d 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -144,6 +144,7 @@ lp_set_target_options(void)
    llvm::UnsafeFPMath = true;
 #endif
 
+#if HAVE_LLVM < 0x0209
    /*
     * LLVM will generate MMX instructions for vectors <= 64 bits, leading to
     * innefficient code, and in 32bit systems, to the corruption of the FPU
@@ -162,6 +163,7 @@ lp_set_target_options(void)
       llvm::cl::ParseCommandLineOptions(2, const_cast<char**>(options));
       first = FALSE;
    }
+#endif
 
    /*
     * By default LLVM adds a signal handler to output a pretty stack trace.



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