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shuffle for 128 bit

This commit is contained in:
Daan Leijen 2024-08-21 10:45:19 -07:00
parent b5c6495f69
commit b9b529de28
1 changed files with 1 additions and 1 deletions
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2
include/mimalloc/internal.h
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@ -731,7 +731,7 @@ static inline mi_memid_t _mi_memid_create_os(bool committed, bool is_zero, bool
static inline uintptr_t _mi_random_shuffle(uintptr_t x) {
if (x==0) { x = 17; } // ensure we don't get stuck in generating zeros
#if (MI_INTPTR_SIZE==8)
#if (MI_INTPTR_SIZE>=8)
// by Sebastiano Vigna, see: <http://xoshiro.di.unimi.it/splitmix64.c>
x ^= x >> 30;
x *= 0xbf58476d1ce4e5b9UL;