diff options
Diffstat (limited to 'py/runtime.c')
| -rw-r--r-- | py/runtime.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/py/runtime.c b/py/runtime.c index 54d120796a..22f9289888 100644 --- a/py/runtime.c +++ b/py/runtime.c @@ -334,7 +334,7 @@ mp_obj_t mp_binary_op(mp_uint_t op, mp_obj_t lhs, mp_obj_t rhs) { if (rhs_val < 0) { // negative shift not allowed nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "negative shift count")); - } else if (rhs_val >= BITS_PER_WORD || lhs_val > (MP_SMALL_INT_MAX >> rhs_val) || lhs_val < (MP_SMALL_INT_MIN >> rhs_val)) { + } else if (rhs_val >= (mp_int_t)BITS_PER_WORD || lhs_val > (MP_SMALL_INT_MAX >> rhs_val) || lhs_val < (MP_SMALL_INT_MIN >> rhs_val)) { // left-shift will overflow, so use higher precision integer lhs = mp_obj_new_int_from_ll(lhs_val); goto generic_binary_op; @@ -351,7 +351,7 @@ mp_obj_t mp_binary_op(mp_uint_t op, mp_obj_t lhs, mp_obj_t rhs) { nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "negative shift count")); } else { // standard precision is enough for right-shift - if (rhs_val >= BITS_PER_WORD) { + if (rhs_val >= (mp_int_t)BITS_PER_WORD) { // Shifting to big amounts is underfined behavior // in C and is CPU-dependent; propagate sign bit. rhs_val = BITS_PER_WORD - 1; |