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Replace power of 2 checks with inline functions

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Julian Fang 2019-07-30 01:21:02 +08:00
parent 095a87be2e
commit e8f0375a3b
2 changed files with 2 additions and 2 deletions
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2
include/mimalloc-internal.h
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@ -170,7 +170,7 @@ static inline uintptr_t _mi_is_power_of_two(uintptr_t x) {
} }
static inline uintptr_t _mi_align_up(uintptr_t sz, size_t alignment) { static inline uintptr_t _mi_align_up(uintptr_t sz, size_t alignment) {
uintptr_t mask = alignment - 1; uintptr_t mask = alignment - 1;
if ((alignment & mask) == 0) { // power of two? if (_mi_is_power_of_two(alignment)) {
return ((sz + mask) & ~mask); return ((sz + mask) & ~mask);
} }
else { else {

2
src/alloc-posix.c
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@ -46,7 +46,7 @@ int mi_posix_memalign(void** p, size_t alignment, size_t size) mi_attr_noexcept
// <http://man7.org/linux/man-pages/man3/posix_memalign.3.html> // <http://man7.org/linux/man-pages/man3/posix_memalign.3.html>
if (p == NULL) return EINVAL; if (p == NULL) return EINVAL;
if (alignment % sizeof(void*) != 0) return EINVAL; // natural alignment if (alignment % sizeof(void*) != 0) return EINVAL; // natural alignment
if ((alignment & (alignment - 1)) != 0) return EINVAL; // not a power of 2 if ((_mi_is_power_of_two(alignment) != 0)) return EINVAL;
void* q = mi_malloc_aligned(size, alignment); void* q = mi_malloc_aligned(size, alignment);
if (q==NULL && size != 0) return ENOMEM; if (q==NULL && size != 0) return ENOMEM;
*p = q; *p = q;