diff options
Diffstat (limited to 'py')
-rw-r--r-- | py/mpconfig.h | 9 | ||||
-rw-r--r-- | py/nlrthumb.c | 6 |
2 files changed, 10 insertions, 5 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h index a21a6c7075..e8f60bd77f 100644 --- a/py/mpconfig.h +++ b/py/mpconfig.h @@ -1527,6 +1527,15 @@ typedef double mp_float_t; #define MP_UNLIKELY(x) __builtin_expect((x), 0) #endif +// To annotate that code is unreachable +#ifndef MP_UNREACHABLE +#if defined(__GNUC__) +#define MP_UNREACHABLE __builtin_unreachable(); +#else +#define MP_UNREACHABLE for (;;); +#endif +#endif + #ifndef MP_HTOBE16 #if MP_ENDIANNESS_LITTLE # define MP_HTOBE16(x) ((uint16_t)( (((x) & 0xff) << 8) | (((x) >> 8) & 0xff) )) diff --git a/py/nlrthumb.c b/py/nlrthumb.c index eef05229d6..bc30388278 100644 --- a/py/nlrthumb.c +++ b/py/nlrthumb.c @@ -135,11 +135,7 @@ NORETURN void nlr_jump(void *val) { : // clobbered registers ); - #if defined(__GNUC__) - __builtin_unreachable(); - #else - for (;;); // needed to silence compiler warning - #endif + MP_UNREACHABLE } #endif // MICROPY_NLR_THUMB |