| // 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 |