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only set has_aligned flag if really necessary

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daan 2019-08-29 07:49:40 -07:00
parent 154fd471a1
commit e8c7505853
1 changed files with 1 additions and 1 deletions
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2
src/alloc-aligned.c
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@ -43,10 +43,10 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* heap, size_t size, size_t
if (p == NULL) return NULL; if (p == NULL) return NULL;
// .. and align within the allocation // .. and align within the allocation
mi_page_set_has_aligned( _mi_ptr_page(p), true );
uintptr_t adjust = alignment - (((uintptr_t)p + offset) % alignment); uintptr_t adjust = alignment - (((uintptr_t)p + offset) % alignment);
mi_assert_internal(adjust % sizeof(uintptr_t) == 0); mi_assert_internal(adjust % sizeof(uintptr_t) == 0);
void* aligned_p = (adjust == alignment ? p : (void*)((uintptr_t)p + adjust)); void* aligned_p = (adjust == alignment ? p : (void*)((uintptr_t)p + adjust));
if (aligned_p != p) mi_page_set_has_aligned(_mi_ptr_page(p), true);
mi_assert_internal(((uintptr_t)aligned_p + offset) % alignment == 0); mi_assert_internal(((uintptr_t)aligned_p + offset) % alignment == 0);
mi_assert_internal( p == _mi_page_ptr_unalign(_mi_ptr_segment(aligned_p),_mi_ptr_page(aligned_p),aligned_p) ); mi_assert_internal( p == _mi_page_ptr_unalign(_mi_ptr_segment(aligned_p),_mi_ptr_page(aligned_p),aligned_p) );
return aligned_p; return aligned_p;