18 #elif defined(__x86_64__)
19 #include "arch-x86_64.h"
20 #elif defined(__powerpc__) || defined(__powerpc64__)
22 #elif defined(__ia64__)
23 #include "arch-ia64.h"
24 #elif defined(__alpha__)
25 #include "arch-alpha.h"
26 #elif defined(__s390x__) || defined(__s390__)
27 #include "arch-s390.h"
28 #elif defined(__sparc__)
29 #include "arch-sparc.h"
30 #elif defined(__sparc64__)
31 #include "arch-sparc64.h"
32 #elif defined(__arm__)
35 #error "Unsupported arch"
39 #define ffz(bitmask) arch_ffz(bitmask)
41 #include "../lib/ffz.h"