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py: Rename WORD_MSBIT_HIGH to MP_OBJ_WORD_MSBIT_HIGH. 

To make it clear it is for mp_obj_t/mp_uint_t "word" types, and to prefix
this macro with MP_.

Signed-off-by: Damien George <damien@micropython.org>
pull/6843/head
Damien George 2021-02-04 16:39:46 +11:00
rodzic ad4656b861
commit c891190c69
3 zmienionych plików z 8 dodań i 8 usunięć
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2
py/mpconfig.h
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@ -1540,7 +1540,7 @@ typedef double mp_float_t;
#define MP_BITS_PER_BYTE (8)
#endif
// mp_int_t value with most significant bit set
#define WORD_MSBIT_HIGH (((mp_uint_t)1) << (MP_BYTES_PER_OBJ_WORD * MP_BITS_PER_BYTE - 1))
#define MP_OBJ_WORD_MSBIT_HIGH (((mp_uint_t)1) << (MP_BYTES_PER_OBJ_WORD * MP_BITS_PER_BYTE - 1))
// Make sure both MP_ENDIANNESS_LITTLE and MP_ENDIANNESS_BIG are
// defined and that they are the opposite of each other.

4
py/mpz.c
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@ -1573,7 +1573,7 @@ bool mpz_as_int_checked(const mpz_t *i, mp_int_t *value) {
mpz_dig_t *d = i->dig + i->len;
while (d-- > i->dig) {
if (val > (~(WORD_MSBIT_HIGH) >> DIG_SIZE)) {
if (val > (~(MP_OBJ_WORD_MSBIT_HIGH) >> DIG_SIZE)) {
// will overflow
return false;
}
@ -1598,7 +1598,7 @@ bool mpz_as_uint_checked(const mpz_t *i, mp_uint_t *value) {
mpz_dig_t *d = i->dig + i->len;
while (d-- > i->dig) {
if (val > (~(WORD_MSBIT_HIGH) >> (DIG_SIZE - 1))) {
if (val > (~(MP_OBJ_WORD_MSBIT_HIGH) >> (DIG_SIZE - 1))) {
// will overflow
return false;
}

10
py/smallint.h
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@ -36,17 +36,17 @@
// 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
#define MP_SMALL_INT_MIN ((mp_int_t)(((mp_int_t)WORD_MSBIT_HIGH) >> 1))
#define MP_SMALL_INT_FITS(n) ((((n) ^ ((n) << 1)) & WORD_MSBIT_HIGH) == 0)
#define MP_SMALL_INT_MIN ((mp_int_t)(((mp_int_t)MP_OBJ_WORD_MSBIT_HIGH) >> 1))
#define MP_SMALL_INT_FITS(n) ((((n) ^ ((n) << 1)) & MP_OBJ_WORD_MSBIT_HIGH) == 0)
// Mask to truncate mp_int_t to positive value
#define MP_SMALL_INT_POSITIVE_MASK ~(WORD_MSBIT_HIGH | (WORD_MSBIT_HIGH >> 1))
#define MP_SMALL_INT_POSITIVE_MASK ~(MP_OBJ_WORD_MSBIT_HIGH | (MP_OBJ_WORD_MSBIT_HIGH >> 1))
#elif MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_B
#define MP_SMALL_INT_MIN ((mp_int_t)(((mp_int_t)WORD_MSBIT_HIGH) >> 2))
#define MP_SMALL_INT_MIN ((mp_int_t)(((mp_int_t)MP_OBJ_WORD_MSBIT_HIGH) >> 2))
#define MP_SMALL_INT_FITS(n) ((((n) & MP_SMALL_INT_MIN) == 0) || (((n) & MP_SMALL_INT_MIN) == MP_SMALL_INT_MIN))
// Mask to truncate mp_int_t to positive value
#define MP_SMALL_INT_POSITIVE_MASK ~(WORD_MSBIT_HIGH | (WORD_MSBIT_HIGH >> 1) | (WORD_MSBIT_HIGH >> 2))
#define MP_SMALL_INT_POSITIVE_MASK ~(MP_OBJ_WORD_MSBIT_HIGH | (MP_OBJ_WORD_MSBIT_HIGH >> 1) | (MP_OBJ_WORD_MSBIT_HIGH >> 2))
#elif MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_D