+// See LICENSE for license details.
+
#ifndef _RISCV_COMMON_H
#define _RISCV_COMMON_H
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#ifdef __cplusplus
-# include <stdexcept>
-# define print_and_die(s) throw std::runtime_error(s)
-#else
-# define print_and_die(s) do { fprintf(stderr,"%s\n",s); abort(); } while(0)
-#endif
-
-#define demand(cond,str,...) \
- do { if(!(cond)) { \
- char __str[256]; \
- snprintf(__str,256,"in %s, line %d: " str, \
- __FILE__,__LINE__,##__VA_ARGS__); \
- print_and_die(__str); \
- } } while(0)
-
-#define static_assert(x) switch (x) case 0: case (x):
+#define likely(x) __builtin_expect(x, 1)
+#define unlikely(x) __builtin_expect(x, 0)
#endif