Merge pull request #28 from xen0n/preprocessor-firefighting

Fix preprocessor directive for non-targeted platforms

Author: alexcrichton

lib/builtins/int_lib.h

@@ -87,7 +87,7 @@
  * does not have dedicated bit counting instructions.
  */
 #if (defined(__sparc64__) || defined(__mips_n64) || defined(__mips_o64) || defined(__riscv__) \
-		|| (_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIO64))
+		|| (defined(_MIPS_SIM) && ((_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIO64))))
 si_int __clzsi2(si_int);
 si_int __ctzsi2(si_int);
 #define	__builtin_clz __clzsi2