Used synchronise script to update files

1 files changed, 336 insertions, 336 deletions

diff --git a/mesalib/src/mesa/x86/common_x86.c b/mesalib/src/mesa/x86/common_x86.c
index f5b9357cc..b70ee5084 100644
--- a/mesalib/src/mesa/x86/common_x86.c
+++ b/mesalib/src/mesa/x86/common_x86.c
@@ -1,336 +1,336 @@
-/*

- * Mesa 3-D graphics library

- * Version:  6.5.1

- *

- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-/**

- * \file common_x86.c

- *

- * Check CPU capabilities & initialize optimized funtions for this particular

- * processor.

- *

- * Changed by Andre Werthmann for using the new SSE functions.

- *

- * \author Holger Waechtler <holger@akaflieg.extern.tu-berlin.de>

- * \author Andre Werthmann <wertmann@cs.uni-potsdam.de>

- */

-

-/* XXX these includes should probably go into imports.h or glheader.h */

-#if defined(USE_SSE_ASM) && defined(__linux__)

-#include <linux/version.h>

-#endif

-#if defined(USE_SSE_ASM) && defined(__FreeBSD__)

-#include <sys/types.h>

-#include <sys/sysctl.h>

-#endif

-#if defined(USE_SSE_ASM) && defined(__OpenBSD__)

-#include <sys/param.h>

-#include <sys/sysctl.h>

-#include <machine/cpu.h>

-#endif

-

-#include "main/imports.h"

-#include "common_x86_asm.h"

-

-

-/** Bitmask of X86_FEATURE_x bits */

-int _mesa_x86_cpu_features = 0x0;

-

-static int detection_debug = GL_FALSE;

-

-/* No reason for this to be public.

- */

-extern GLuint	_ASMAPI _mesa_x86_has_cpuid(void);

-extern void	_ASMAPI _mesa_x86_cpuid(GLuint op, GLuint *reg_eax, GLuint *reg_ebx, GLuint *reg_ecx, GLuint *reg_edx);

-extern GLuint	_ASMAPI _mesa_x86_cpuid_eax(GLuint op);

-extern GLuint	_ASMAPI _mesa_x86_cpuid_ebx(GLuint op);

-extern GLuint	_ASMAPI _mesa_x86_cpuid_ecx(GLuint op);

-extern GLuint	_ASMAPI _mesa_x86_cpuid_edx(GLuint op);

-

-

-#if defined(USE_SSE_ASM)

-/*

- * We must verify that the Streaming SIMD Extensions are truly supported

- * on this processor before we go ahead and hook out the optimized code.

- *

- * However, I have been told by Alan Cox that all 2.4 (and later) Linux

- * kernels provide full SSE support on all processors that expose SSE via

- * the CPUID mechanism.

- */

-

-/* These are assembly functions: */

-extern void _mesa_test_os_sse_support( void );

-extern void _mesa_test_os_sse_exception_support( void );

-

-

-#if defined(WIN32)

-#ifndef STATUS_FLOAT_MULTIPLE_TRAPS

-# define STATUS_FLOAT_MULTIPLE_TRAPS (0xC00002B5L)

-#endif

-static LONG WINAPI ExceptionFilter(LPEXCEPTION_POINTERS exp)

-{

-   PEXCEPTION_RECORD rec = exp->ExceptionRecord;

-   PCONTEXT ctx = exp->ContextRecord;

-

-   if ( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION ) {

-      _mesa_debug(NULL, "EXCEPTION_ILLEGAL_INSTRUCTION\n" );

-      _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);

-   } else if ( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS ) {

-      _mesa_debug(NULL, "STATUS_FLOAT_MULTIPLE_TRAPS\n");

-      /* Windows seems to clear the exception flag itself, we just have to increment Eip */

-   } else {

-      _mesa_debug(NULL, "UNEXPECTED EXCEPTION (0x%08x), terminating!\n" );

-      return EXCEPTION_EXECUTE_HANDLER;

-   }

-

-   if ( (ctx->ContextFlags & CONTEXT_CONTROL) != CONTEXT_CONTROL ) {

-      _mesa_debug(NULL, "Context does not contain control registers, terminating!\n");

-      return EXCEPTION_EXECUTE_HANDLER;

-   }

-   ctx->Eip += 3;

-

-   return EXCEPTION_CONTINUE_EXECUTION;

-}

-#endif /* WIN32 */

-

-

-/**

- * Check if SSE is supported.

- * If not, turn off the X86_FEATURE_XMM flag in _mesa_x86_cpu_features.

- */

-void _mesa_check_os_sse_support( void )

-{

-#if defined(__FreeBSD__)

-   {

-      int ret, enabled;

-      unsigned int len;

-      len = sizeof(enabled);

-      ret = sysctlbyname("hw.instruction_sse", &enabled, &len, NULL, 0);

-      if (ret || !enabled)

-         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);

-   }

-#elif defined (__NetBSD__)

-   {

-      int ret, enabled;

-      size_t len = sizeof(enabled);

-      ret = sysctlbyname("machdep.sse", &enabled, &len, (void *)NULL, 0);

-      if (ret || !enabled)

-         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);

-   }

-#elif defined(__OpenBSD__)

-   {

-      int mib[2];

-      int ret, enabled;

-      size_t len = sizeof(enabled);

-

-      mib[0] = CTL_MACHDEP;

-      mib[1] = CPU_SSE;

-

-      ret = sysctl(mib, 2, &enabled, &len, NULL, 0);

-      if (ret || !enabled)

-         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);

-   }

-#elif defined(WIN32)

-   LPTOP_LEVEL_EXCEPTION_FILTER oldFilter;

-   

-   /* Install our ExceptionFilter */

-   oldFilter = SetUnhandledExceptionFilter( ExceptionFilter );

-   

-   if ( cpu_has_xmm ) {

-      _mesa_debug(NULL, "Testing OS support for SSE...\n");

-

-      _mesa_test_os_sse_support();

-

-      if ( cpu_has_xmm ) {

-	 _mesa_debug(NULL, "Yes.\n");

-      } else {

-	 _mesa_debug(NULL, "No!\n");

-      }

-   }

-

-   if ( cpu_has_xmm ) {

-      _mesa_debug(NULL, "Testing OS support for SSE unmasked exceptions...\n");

-

-      _mesa_test_os_sse_exception_support();

-

-      if ( cpu_has_xmm ) {

-	 _mesa_debug(NULL, "Yes.\n");

-      } else {

-	 _mesa_debug(NULL, "No!\n");

-      }

-   }

-

-   /* Restore previous exception filter */

-   SetUnhandledExceptionFilter( oldFilter );

-

-   if ( cpu_has_xmm ) {

-      _mesa_debug(NULL, "Tests of OS support for SSE passed.\n");

-   } else {

-      _mesa_debug(NULL, "Tests of OS support for SSE failed!\n");

-   }

-#else

-   /* Do nothing on other platforms for now.

-    */

-   if (detection_debug)

-      _mesa_debug(NULL, "Not testing OS support for SSE, leaving enabled.\n");

-#endif /* __FreeBSD__ */

-}

-

-#endif /* USE_SSE_ASM */

-

-

-/**

- * Initialize the _mesa_x86_cpu_features bitfield.

- * This is a no-op if called more than once.

- */

-void

-_mesa_get_x86_features(void)

-{

-   static int called = 0;

-

-   if (called)

-      return;

-

-   called = 1;

-

-#ifdef USE_X86_ASM

-   _mesa_x86_cpu_features = 0x0;

-

-   if (_mesa_getenv( "MESA_NO_ASM")) {

-      return;

-   }

-

-   if (!_mesa_x86_has_cpuid()) {

-       _mesa_debug(NULL, "CPUID not detected\n");

-   }

-   else {

-       GLuint cpu_features;

-       GLuint cpu_ext_features;

-       GLuint cpu_ext_info;

-       char cpu_vendor[13];

-       GLuint result;

-

-       /* get vendor name */

-       _mesa_x86_cpuid(0, &result, (GLuint *)(cpu_vendor + 0), (GLuint *)(cpu_vendor + 8), (GLuint *)(cpu_vendor + 4));

-       cpu_vendor[12] = '\0';

-

-       if (detection_debug)

-	  _mesa_debug(NULL, "CPU vendor: %s\n", cpu_vendor);

-

-       /* get cpu features */

-       cpu_features = _mesa_x86_cpuid_edx(1);

-

-       if (cpu_features & X86_CPU_FPU)

-	   _mesa_x86_cpu_features |= X86_FEATURE_FPU;

-       if (cpu_features & X86_CPU_CMOV)

-	   _mesa_x86_cpu_features |= X86_FEATURE_CMOV;

-

-#ifdef USE_MMX_ASM

-       if (cpu_features & X86_CPU_MMX)

-	   _mesa_x86_cpu_features |= X86_FEATURE_MMX;

-#endif

-

-#ifdef USE_SSE_ASM

-       if (cpu_features & X86_CPU_XMM)

-	   _mesa_x86_cpu_features |= X86_FEATURE_XMM;

-       if (cpu_features & X86_CPU_XMM2)

-	   _mesa_x86_cpu_features |= X86_FEATURE_XMM2;

-#endif

-

-       /* query extended cpu features */

-       if ((cpu_ext_info = _mesa_x86_cpuid_eax(0x80000000)) > 0x80000000) {

-	   if (cpu_ext_info >= 0x80000001) {

-

-	       cpu_ext_features = _mesa_x86_cpuid_edx(0x80000001);

-

-	       if (cpu_features & X86_CPU_MMX) {

-

-#ifdef USE_3DNOW_ASM

-		   if (cpu_ext_features & X86_CPUEXT_3DNOW)

-		       _mesa_x86_cpu_features |= X86_FEATURE_3DNOW;

-		   if (cpu_ext_features & X86_CPUEXT_3DNOW_EXT)

-		       _mesa_x86_cpu_features |= X86_FEATURE_3DNOWEXT;

-#endif

-

-#ifdef USE_MMX_ASM

-		   if (cpu_ext_features & X86_CPUEXT_MMX_EXT)

-		       _mesa_x86_cpu_features |= X86_FEATURE_MMXEXT;

-#endif

-	       }

-	   }

-

-	   /* query cpu name */

-	   if (cpu_ext_info >= 0x80000002) {

-	       GLuint ofs;

-	       char cpu_name[49];

-	       for (ofs = 0; ofs < 3; ofs++)

-		   _mesa_x86_cpuid(0x80000002+ofs, (GLuint *)(cpu_name + (16*ofs)+0), (GLuint *)(cpu_name + (16*ofs)+4), (GLuint *)(cpu_name + (16*ofs)+8), (GLuint *)(cpu_name + (16*ofs)+12));

-	       cpu_name[48] = '\0'; /* the name should be NULL terminated, but just to be sure */

-

-	       if (detection_debug)

-		  _mesa_debug(NULL, "CPU name: %s\n", cpu_name);

-	   }

-       }

-

-   }

-

-#ifdef USE_MMX_ASM

-   if ( cpu_has_mmx ) {

-      if ( _mesa_getenv( "MESA_NO_MMX" ) == 0 ) {

-	 if (detection_debug)

-	    _mesa_debug(NULL, "MMX cpu detected.\n");

-      } else {

-         _mesa_x86_cpu_features &= ~(X86_FEATURE_MMX);

-      }

-   }

-#endif

-

-#ifdef USE_3DNOW_ASM

-   if ( cpu_has_3dnow ) {

-      if ( _mesa_getenv( "MESA_NO_3DNOW" ) == 0 ) {

-	 if (detection_debug)

-	    _mesa_debug(NULL, "3DNow! cpu detected.\n");

-      } else {

-         _mesa_x86_cpu_features &= ~(X86_FEATURE_3DNOW);

-      }

-   }

-#endif

-

-#ifdef USE_SSE_ASM

-   if ( cpu_has_xmm ) {

-      if ( _mesa_getenv( "MESA_NO_SSE" ) == 0 ) {

-	 if (detection_debug)

-	    _mesa_debug(NULL, "SSE cpu detected.\n");

-         if ( _mesa_getenv( "MESA_FORCE_SSE" ) == 0 ) {

-            _mesa_check_os_sse_support();

-         }

-      } else {

-         _mesa_debug(NULL, "SSE cpu detected, but switched off by user.\n");

-         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);

-      }

-   }

-#endif

-

-#endif /* USE_X86_ASM */

-

-   (void) detection_debug;

-}

+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.1
+ *
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file common_x86.c
+ *
+ * Check CPU capabilities & initialize optimized funtions for this particular
+ * processor.
+ *
+ * Changed by Andre Werthmann for using the new SSE functions.
+ *
+ * \author Holger Waechtler <holger@akaflieg.extern.tu-berlin.de>
+ * \author Andre Werthmann <wertmann@cs.uni-potsdam.de>
+ */
+
+/* XXX these includes should probably go into imports.h or glheader.h */
+#if defined(USE_SSE_ASM) && defined(__linux__)
+#include <linux/version.h>
+#endif
+#if defined(USE_SSE_ASM) && defined(__FreeBSD__)
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#endif
+#if defined(USE_SSE_ASM) && defined(__OpenBSD__)
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <machine/cpu.h>
+#endif
+
+#include "main/imports.h"
+#include "common_x86_asm.h"
+
+
+/** Bitmask of X86_FEATURE_x bits */
+int _mesa_x86_cpu_features = 0x0;
+
+static int detection_debug = GL_FALSE;
+
+/* No reason for this to be public.
+ */
+extern GLuint	_ASMAPI _mesa_x86_has_cpuid(void);
+extern void	_ASMAPI _mesa_x86_cpuid(GLuint op, GLuint *reg_eax, GLuint *reg_ebx, GLuint *reg_ecx, GLuint *reg_edx);
+extern GLuint	_ASMAPI _mesa_x86_cpuid_eax(GLuint op);
+extern GLuint	_ASMAPI _mesa_x86_cpuid_ebx(GLuint op);
+extern GLuint	_ASMAPI _mesa_x86_cpuid_ecx(GLuint op);
+extern GLuint	_ASMAPI _mesa_x86_cpuid_edx(GLuint op);
+
+
+#if defined(USE_SSE_ASM)
+/*
+ * We must verify that the Streaming SIMD Extensions are truly supported
+ * on this processor before we go ahead and hook out the optimized code.
+ *
+ * However, I have been told by Alan Cox that all 2.4 (and later) Linux
+ * kernels provide full SSE support on all processors that expose SSE via
+ * the CPUID mechanism.
+ */
+
+/* These are assembly functions: */
+extern void _mesa_test_os_sse_support( void );
+extern void _mesa_test_os_sse_exception_support( void );
+
+
+#if defined(WIN32)
+#ifndef STATUS_FLOAT_MULTIPLE_TRAPS
+# define STATUS_FLOAT_MULTIPLE_TRAPS (0xC00002B5L)
+#endif
+static LONG WINAPI ExceptionFilter(LPEXCEPTION_POINTERS exp)
+{
+   PEXCEPTION_RECORD rec = exp->ExceptionRecord;
+   PCONTEXT ctx = exp->ContextRecord;
+
+   if ( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION ) {
+      _mesa_debug(NULL, "EXCEPTION_ILLEGAL_INSTRUCTION\n" );
+      _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
+   } else if ( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS ) {
+      _mesa_debug(NULL, "STATUS_FLOAT_MULTIPLE_TRAPS\n");
+      /* Windows seems to clear the exception flag itself, we just have to increment Eip */
+   } else {
+      _mesa_debug(NULL, "UNEXPECTED EXCEPTION (0x%08x), terminating!\n" );
+      return EXCEPTION_EXECUTE_HANDLER;
+   }
+
+   if ( (ctx->ContextFlags & CONTEXT_CONTROL) != CONTEXT_CONTROL ) {
+      _mesa_debug(NULL, "Context does not contain control registers, terminating!\n");
+      return EXCEPTION_EXECUTE_HANDLER;
+   }
+   ctx->Eip += 3;
+
+   return EXCEPTION_CONTINUE_EXECUTION;
+}
+#endif /* WIN32 */
+
+
+/**
+ * Check if SSE is supported.
+ * If not, turn off the X86_FEATURE_XMM flag in _mesa_x86_cpu_features.
+ */
+void _mesa_check_os_sse_support( void )
+{
+#if defined(__FreeBSD__)
+   {
+      int ret, enabled;
+      unsigned int len;
+      len = sizeof(enabled);
+      ret = sysctlbyname("hw.instruction_sse", &enabled, &len, NULL, 0);
+      if (ret || !enabled)
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
+   }
+#elif defined (__NetBSD__)
+   {
+      int ret, enabled;
+      size_t len = sizeof(enabled);
+      ret = sysctlbyname("machdep.sse", &enabled, &len, (void *)NULL, 0);
+      if (ret || !enabled)
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
+   }
+#elif defined(__OpenBSD__)
+   {
+      int mib[2];
+      int ret, enabled;
+      size_t len = sizeof(enabled);
+
+      mib[0] = CTL_MACHDEP;
+      mib[1] = CPU_SSE;
+
+      ret = sysctl(mib, 2, &enabled, &len, NULL, 0);
+      if (ret || !enabled)
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
+   }
+#elif defined(WIN32)
+   LPTOP_LEVEL_EXCEPTION_FILTER oldFilter;
+   
+   /* Install our ExceptionFilter */
+   oldFilter = SetUnhandledExceptionFilter( ExceptionFilter );
+   
+   if ( cpu_has_xmm ) {
+      _mesa_debug(NULL, "Testing OS support for SSE...\n");
+
+      _mesa_test_os_sse_support();
+
+      if ( cpu_has_xmm ) {
+	 _mesa_debug(NULL, "Yes.\n");
+      } else {
+	 _mesa_debug(NULL, "No!\n");
+      }
+   }
+
+   if ( cpu_has_xmm ) {
+      _mesa_debug(NULL, "Testing OS support for SSE unmasked exceptions...\n");
+
+      _mesa_test_os_sse_exception_support();
+
+      if ( cpu_has_xmm ) {
+	 _mesa_debug(NULL, "Yes.\n");
+      } else {
+	 _mesa_debug(NULL, "No!\n");
+      }
+   }
+
+   /* Restore previous exception filter */
+   SetUnhandledExceptionFilter( oldFilter );
+
+   if ( cpu_has_xmm ) {
+      _mesa_debug(NULL, "Tests of OS support for SSE passed.\n");
+   } else {
+      _mesa_debug(NULL, "Tests of OS support for SSE failed!\n");
+   }
+#else
+   /* Do nothing on other platforms for now.
+    */
+   if (detection_debug)
+      _mesa_debug(NULL, "Not testing OS support for SSE, leaving enabled.\n");
+#endif /* __FreeBSD__ */
+}
+
+#endif /* USE_SSE_ASM */
+
+
+/**
+ * Initialize the _mesa_x86_cpu_features bitfield.
+ * This is a no-op if called more than once.
+ */
+void
+_mesa_get_x86_features(void)
+{
+   static int called = 0;
+
+   if (called)
+      return;
+
+   called = 1;
+
+#ifdef USE_X86_ASM
+   _mesa_x86_cpu_features = 0x0;
+
+   if (_mesa_getenv( "MESA_NO_ASM")) {
+      return;
+   }
+
+   if (!_mesa_x86_has_cpuid()) {
+       _mesa_debug(NULL, "CPUID not detected\n");
+   }
+   else {
+       GLuint cpu_features;
+       GLuint cpu_ext_features;
+       GLuint cpu_ext_info;
+       char cpu_vendor[13];
+       GLuint result;
+
+       /* get vendor name */
+       _mesa_x86_cpuid(0, &result, (GLuint *)(cpu_vendor + 0), (GLuint *)(cpu_vendor + 8), (GLuint *)(cpu_vendor + 4));
+       cpu_vendor[12] = '\0';
+
+       if (detection_debug)
+	  _mesa_debug(NULL, "CPU vendor: %s\n", cpu_vendor);
+
+       /* get cpu features */
+       cpu_features = _mesa_x86_cpuid_edx(1);
+
+       if (cpu_features & X86_CPU_FPU)
+	   _mesa_x86_cpu_features |= X86_FEATURE_FPU;
+       if (cpu_features & X86_CPU_CMOV)
+	   _mesa_x86_cpu_features |= X86_FEATURE_CMOV;
+
+#ifdef USE_MMX_ASM
+       if (cpu_features & X86_CPU_MMX)
+	   _mesa_x86_cpu_features |= X86_FEATURE_MMX;
+#endif
+
+#ifdef USE_SSE_ASM
+       if (cpu_features & X86_CPU_XMM)
+	   _mesa_x86_cpu_features |= X86_FEATURE_XMM;
+       if (cpu_features & X86_CPU_XMM2)
+	   _mesa_x86_cpu_features |= X86_FEATURE_XMM2;
+#endif
+
+       /* query extended cpu features */
+       if ((cpu_ext_info = _mesa_x86_cpuid_eax(0x80000000)) > 0x80000000) {
+	   if (cpu_ext_info >= 0x80000001) {
+
+	       cpu_ext_features = _mesa_x86_cpuid_edx(0x80000001);
+
+	       if (cpu_features & X86_CPU_MMX) {
+
+#ifdef USE_3DNOW_ASM
+		   if (cpu_ext_features & X86_CPUEXT_3DNOW)
+		       _mesa_x86_cpu_features |= X86_FEATURE_3DNOW;
+		   if (cpu_ext_features & X86_CPUEXT_3DNOW_EXT)
+		       _mesa_x86_cpu_features |= X86_FEATURE_3DNOWEXT;
+#endif
+
+#ifdef USE_MMX_ASM
+		   if (cpu_ext_features & X86_CPUEXT_MMX_EXT)
+		       _mesa_x86_cpu_features |= X86_FEATURE_MMXEXT;
+#endif
+	       }
+	   }
+
+	   /* query cpu name */
+	   if (cpu_ext_info >= 0x80000002) {
+	       GLuint ofs;
+	       char cpu_name[49];
+	       for (ofs = 0; ofs < 3; ofs++)
+		   _mesa_x86_cpuid(0x80000002+ofs, (GLuint *)(cpu_name + (16*ofs)+0), (GLuint *)(cpu_name + (16*ofs)+4), (GLuint *)(cpu_name + (16*ofs)+8), (GLuint *)(cpu_name + (16*ofs)+12));
+	       cpu_name[48] = '\0'; /* the name should be NULL terminated, but just to be sure */
+
+	       if (detection_debug)
+		  _mesa_debug(NULL, "CPU name: %s\n", cpu_name);
+	   }
+       }
+
+   }
+
+#ifdef USE_MMX_ASM
+   if ( cpu_has_mmx ) {
+      if ( _mesa_getenv( "MESA_NO_MMX" ) == 0 ) {
+	 if (detection_debug)
+	    _mesa_debug(NULL, "MMX cpu detected.\n");
+      } else {
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_MMX);
+      }
+   }
+#endif
+
+#ifdef USE_3DNOW_ASM
+   if ( cpu_has_3dnow ) {
+      if ( _mesa_getenv( "MESA_NO_3DNOW" ) == 0 ) {
+	 if (detection_debug)
+	    _mesa_debug(NULL, "3DNow! cpu detected.\n");
+      } else {
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_3DNOW);
+      }
+   }
+#endif
+
+#ifdef USE_SSE_ASM
+   if ( cpu_has_xmm ) {
+      if ( _mesa_getenv( "MESA_NO_SSE" ) == 0 ) {
+	 if (detection_debug)
+	    _mesa_debug(NULL, "SSE cpu detected.\n");
+         if ( _mesa_getenv( "MESA_FORCE_SSE" ) == 0 ) {
+            _mesa_check_os_sse_support();
+         }
+      } else {
+         _mesa_debug(NULL, "SSE cpu detected, but switched off by user.\n");
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
+      }
+   }
+#endif
+
+#endif /* USE_X86_ASM */
+
+   (void) detection_debug;
+}