1 files changed, 0 insertions, 109 deletions
diff --git a/fb/fbmmx.c b/fb/fbmmx.c
index c3aff3d2c..fef5c3820 100644
--- a/fb/fbmmx.c
+++ b/fb/fbmmx.c
@@ -2269,116 +2269,7 @@ fbCompositeCopyAreammx (CARD8		op,
 		   width, height);
 }
 
-#if !defined(__amd64__) && !defined(__x86_64__)
-
-enum CPUFeatures {
-    NoFeatures = 0,
-    MMX = 0x1,
-    MMX_Extensions = 0x2, 
-    SSE = 0x6,
-    SSE2 = 0x8,
-    CMOV = 0x10
-};
-
-static unsigned int detectCPUFeatures(void) {
-    unsigned int result;
-    char vendor[13];
-    vendor[0] = 0;
-    vendor[12] = 0;
-    /* see p. 118 of amd64 instruction set manual Vol3 */
-    /* We need to be careful about the handling of %ebx and
-     * %esp here. We can't declare either one as clobbered
-     * since they are special registers (%ebx is the "PIC
-     * register" holding an offset to global data, %esp the
-     * stack pointer), so we need to make sure they have their+      * original values when we access the output operands.
-     */
-    __asm__ ("pushf\n"
-             "pop %%eax\n"
-             "mov %%eax, %%ecx\n"
-             "xor $0x00200000, %%eax\n"
-             "push %%eax\n"
-             "popf\n"
-             "pushf\n"
-             "pop %%eax\n"
-             "mov $0x0, %%edx\n"
-             "xor %%ecx, %%eax\n"
-             "jz 1\n"
-
-             "mov $0x00000000, %%eax\n"
-	     "push %%ebx\n"
-             "cpuid\n"
-             "mov %%ebx, %%eax\n"
-	     "pop %%ebx\n"
-	     "mov %%eax, %1\n"
-             "mov %%edx, %2\n"
-             "mov %%ecx, %3\n"
-             "mov $0x00000001, %%eax\n"
-	     "push %%ebx\n"
-             "cpuid\n"
-	     "pop %%ebx\n"
-             "1:\n"
-             "mov %%edx, %0\n"
-             : "=r" (result), 
-               "=m" (vendor[0]), 
-               "=m" (vendor[4]), 
-               "=m" (vendor[8])
-             :
-             : "%eax", "%ecx", "%edx"
-        );
-
-    unsigned int features = 0;
-    if (result) {
-        /* result now contains the standard feature bits */
-        if (result & (1 << 15))
-            features |= CMOV;
-        if (result & (1 << 23))
-            features |= MMX;
-        if (result & (1 << 25))
-            features |= SSE;
-        if (result & (1 << 26))
-            features |= SSE2;
-        if ((result & MMX) && !(result & SSE) && (strcmp(vendor, "AuthenticAMD") == 0)) {
-            /* check for AMD MMX extensions */
-
-            unsigned int result;            
-            __asm__("push %%ebx\n"
-                    "mov $0x80000000, %%eax\n"
-                    "cpuid\n"
-                    "xor %%edx, %%edx\n"
-                    "cmp $0x1, %%eax\n"
-                    "jge 2\n"
-                    "mov $0x80000001, %%eax\n"
-                    "cpuid\n"
-                    "2:\n"
-                    "pop %%ebx\n"
-                    "mov %%edx, %0\n"
-                    : "=r" (result)
-                    :
-                    : "%eax", "%ecx", "%edx"
-                );
-            if (result & (1<<22))
-                features |= MMX_Extensions;
-        }
-    }
-    return features;
-}
-
-Bool
-fbHaveMMX (void)
-{
-    static Bool initialized = FALSE;
-    static Bool mmx_present;
 
-    if (!initialized)
-    {
-        unsigned int features = detectCPUFeatures();
-	mmx_present = (features & (MMX|MMX_Extensions)) == (MMX|MMX_Extensions);
-        initialized = TRUE;
-    }
-    
-    return mmx_present;
-}
-#endif /* __amd64__ */
 
 
 #endif /* RENDER */