= ["%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi", "%ebp", "%esp"]
#elif x86_64_TARGET_ARCH
= ["%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi", "%rbp", "%rsp" ]
+#else
+ = []
#endif
+
-- machine specific ------------------------------------------------------------