1 files changed, 26 insertions, 0 deletions
diff --git a/cpudetect.h b/cpudetect.h
index c178eb7b39..997ec11195 100644
--- a/cpudetect.h
+++ b/cpudetect.h
@@ -6,6 +6,32 @@
 #define CPUTYPE_I586	5
 #define CPUTYPE_I686    6
 
+#ifdef ARCH_X86_64
+#  define REGa    rax
+#  define REGb    rbx
+#  define REGSP   rsp
+#  define REG_a  "rax"
+#  define REG_b  "rbx"
+#  define REG_c  "rcx"
+#  define REG_d  "rdx"
+#  define REG_S  "rsi"
+#  define REG_D  "rdi"
+#  define REG_SP "rsp"
+#  define REG_BP "rbp"
+#else
+#  define REGa    eax
+#  define REGb    ebx
+#  define REGSP   esp
+#  define REG_a  "eax"
+#  define REG_b  "ebx"
+#  define REG_c  "ecx"
+#  define REG_d  "edx"
+#  define REG_S  "esi"
+#  define REG_D  "edi"
+#  define REG_SP "esp"
+#  define REG_BP "ebp"
+#endif
+
 typedef struct cpucaps_s {
 	int cpuType;
 	int cpuStepping;