/* RISC-V, https://github.com/riscv/riscv-toolchain-conventions#cc-preprocessor-definitions */
#if defined(__riscv)
#define DUK_F_RISCV
#if defined(__riscv_xlen)
#if (__riscv_xlen == 32)
#define DUK_F_RISCV32
#elif (__riscv_xlen == 64)
#define DUK_F_RISCV64
#else
#error __riscv_xlen has unsupported value (not 32 or 64)
#endif
#else
#error __riscv defined without __riscv_xlen
#endif
#endif  /* __riscv */