#ifndef ARCH_H
#define ARCH_H
+#ifdef __WORDSIZE
+#define BITS_PER_LONG __WORDSIZE
+#else
+#define BITS_PER_LONG 32
+#endif
+
enum {
arch_x86_64,
arch_i386,
arch_ia64,
arch_s390,
arch_alpha,
-};
-
-static inline unsigned long generic_ffz(unsigned long word)
-{
- unsigned int i;
+ arch_sparc,
+ arch_sparc64,
+ arch_arm,
+ arch_sh,
+ arch_hppa,
- for (i = 0; i < sizeof(word) * 8; i++)
- if ((word & (1UL << i)) == 0)
- return i;
-
- return -1;
-}
+ arch_generic,
+};
#if defined(__i386__)
#include "arch-x86.h"
#elif defined(__x86_64__)
#include "arch-x86_64.h"
-#elif defined(__powerpc__) || defined(__powerpc64__)
+#elif defined(__powerpc__) || defined(__powerpc64__) || defined(__ppc__)
#include "arch-ppc.h"
#elif defined(__ia64__)
#include "arch-ia64.h"
#include "arch-alpha.h"
#elif defined(__s390x__) || defined(__s390__)
#include "arch-s390.h"
+#elif defined(__sparc__)
+#include "arch-sparc.h"
+#elif defined(__sparc64__)
+#include "arch-sparc64.h"
+#elif defined(__arm__)
+#include "arch-arm.h"
+#elif defined(__mips__) || defined(__mips64__)
+#include "arch-mips.h"
+#elif defined(__sh__)
+#include "arch-sh.h"
+#elif defined(__hppa__)
+#include "arch-hppa.h"
+#else
+#warning "Unknown architecture, attempting to use generic model."
+#include "arch-generic.h"
+#endif
+
+#ifdef ARCH_HAVE_FFZ
+#define ffz(bitmask) arch_ffz(bitmask)
#else
-#error "Unsupported arch"
+#include "../lib/ffz.h"
#endif
#endif