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- // 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
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