Index: source/lib/sysdep/arch/x86_x64/x86_x64.cpp
===================================================================
--- source/lib/sysdep/arch/x86_x64/x86_x64.cpp
+++ source/lib/sysdep/arch/x86_x64/x86_x64.cpp
@@ -51,11 +51,11 @@
 #elif GCC_VERSION
 # if defined(__i386__) && defined(__PIC__)
 #  define __cpuidex(regsArray, level, index)\
-	__asm__ __volatile__ ("pushl %%ebx\n"\
+	__asm__ __volatile__ ( \
+		"mov %%ebx, %%edi\n" \
 		"cpuid\n"\
-		"mov %%ebx,%1\n"\
-		"popl %%ebx"\
-		: "=a" ((regsArray)[0]), "=r" ((regsArray)[1]), "=c" ((regsArray)[2]), "=d" ((regsArray)[3])\
+		"xchg %%edi, %%ebx\n" \
+		: "=a" ((regsArray)[0]), "=D" ((regsArray)[1]), "=c" ((regsArray)[2]), "=d" ((regsArray)[3])\
 		: "0" (level), "2" (index));
 # else
 #  define __cpuidex(regsArray, level, index)\