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| author | Damien George <damien.p.george@gmail.com> | 2016-01-08 13:43:56 +0000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2016-01-08 13:43:56 +0000 |
| commit | c1c57eafac684f961923f601162bce1b19237003 (patch) | |
| tree | 7381358960a3ecf9e4386acaf247a75a56e8ea5b | |
| parent | 1fa6be52646f015b28abc0f1535af7bc4ffb647d (diff) | |
| download | micropython-c1c57eafac684f961923f601162bce1b19237003.tar.gz micropython-c1c57eafac684f961923f601162bce1b19237003.zip | |
py/smallint: Allow to override MP_SMALL_INT_MIN et al.
This allows a port to specify exactly how many bits are in a small
int (eg for a uPy bytecode cross compiler).
| -rw-r--r-- | py/smallint.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/py/smallint.h b/py/smallint.h index 0e30a80856..b9686be30a 100644 --- a/py/smallint.h +++ b/py/smallint.h @@ -31,6 +31,8 @@ // Functions for small integer arithmetic +#ifndef MP_SMALL_INT_MIN + // In SMALL_INT, next-to-highest bits is used as sign, so both must match for value in range #if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_A || MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C @@ -55,6 +57,8 @@ #endif +#endif + #define MP_SMALL_INT_MAX ((mp_int_t)(~(MP_SMALL_INT_MIN))) bool mp_small_int_mul_overflow(mp_int_t x, mp_int_t y); |