// See LICENSE for license details. | |
#ifndef _RISCV_BITS_H | |
#define _RISCV_BITS_H | |
#define likely(x) __builtin_expect((x), 1) | |
#define unlikely(x) __builtin_expect((x), 0) | |
#define ROUNDUP(a, b) ((((a)-1)/(b)+1)*(b)) | |
#define ROUNDDOWN(a, b) ((a)/(b)*(b)) | |
#define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
#define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
#define CLAMP(a, lo, hi) MIN(MAX(a, lo), hi) | |
#define EXTRACT_FIELD(val, which) (((val) & (which)) / ((which) & ~((which)-1))) | |
#define INSERT_FIELD(val, which, fieldval) (((val) & ~(which)) | ((fieldval) * ((which) & ~((which)-1)))) | |
#define STR(x) XSTR(x) | |
#define XSTR(x) #x | |
#if __riscv_xlen == 64 | |
# define SLL32 sllw | |
# define STORE sd | |
# define LOAD ld | |
# define LWU lwu | |
# define LOG_REGBYTES 3 | |
#else | |
# define SLL32 sll | |
# define STORE sw | |
# define LOAD lw | |
# define LWU lw | |
# define LOG_REGBYTES 2 | |
#endif | |
#define REGBYTES (1 << LOG_REGBYTES) | |
#endif |