Mesa (master): gallivm: Fix and re-enable MMX-disabling code

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: 37e5f784220248753647801c455eb61e49e16292
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=37e5f784220248753647801c455eb61e49e16292

Author: nobled <nobled at dreamwidth.org>
Date:   Mon Aug 16 16:46:14 2010 +0000

gallivm: Fix and re-enable MMX-disabling code

Signed-off-by: José Fonseca <jfonseca at vmware.com>

---

 src/gallium/auxiliary/gallivm/lp_bld_misc.cpp |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
index 6d5410d..92f9adf 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -143,7 +143,6 @@ lp_set_target_options(void)
    llvm::UnsafeFPMath = true;
 #endif
 
-#if 0
    /*
     * LLVM will generate MMX instructions for vectors <= 64 bits, leading to
     * innefficient code, and in 32bit systems, to the corruption of the FPU
@@ -152,10 +151,8 @@ lp_set_target_options(void)
     * See also:
     * - http://llvm.org/bugs/show_bug.cgi?id=3287
     * - http://l4.me.uk/post/2009/06/07/llvm-wrinkle-3-configuration-what-configuration/
-    *
-    * XXX: Unfortunately this is not working.
     */
-   static boolean first = FALSE;
+   static boolean first = TRUE;
    if (first) {
       static const char* options[] = {
          "prog",
@@ -164,7 +161,6 @@ lp_set_target_options(void)
       llvm::cl::ParseCommandLineOptions(2, const_cast<char**>(options));
       first = FALSE;
    }
-#endif
 }