[Mesa-dev] [PATCH] gallivm: Fix and re-enable MMX-disabling code

[nobled]

I think this might be the problem that kept -disable-mmx from working;
can somebody test it? (attached)
====
@@ -152,15 +151,13 @@ 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",
          "-disable-mmx"
       };
       llvm::cl::ParseCommandLineOptions(2, const_cast<char**>(options));
       first = FALSE;
    }

From 988129bae95980e348e6d84b448292a73858ffef Mon Sep 17 00:00:00 2001
From: nobled <nob...@dreamwidth.org>
Date: Mon, 16 Aug 2010 16:46:14 +0000
Subject: [PATCH] gallivm: Fix and re-enable MMX-disabling code

---
 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
 }
 
 
-- 
1.5.4.3


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