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all: Simplify mp_int_t/mp_uint_t definition.

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Assuming proper C99 language support, we can select "the int type as big as
a pointer" (most of the time) or "the 64-bit int type" (nanboxing with
REPR_D), and then define everything else automatically.

This simplifies port configuration files.  And the types can still be
overridden if needed.

Signed-off-by: Jeff Epler <jepler@unpythonic.net>
This commit is contained in:
Jeff Epler
2025-10-11 19:12:55 -05:00
committed by Damien George
parent eac81de4e0
commit 007f127a61
40 changed files with 106 additions and 188 deletions
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4
py/runtime_utils.c
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@@ -77,10 +77,6 @@ bool mp_mul_ll_overflow(long long int x, long long int y, long long int *res) {
return overflow;
}
#define MP_UINT_MAX (~(mp_uint_t)0)
#define MP_INT_MAX ((mp_int_t)(MP_UINT_MAX >> 1))
#define MP_INT_MIN (-MP_INT_MAX - 1)
bool mp_mul_mp_int_t_overflow(mp_int_t x, mp_int_t y, mp_int_t *res) {
// Check for multiply overflow; see CERT INT32-C
if (x > 0) { // x is positive