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improve mi_realloc codepath

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This commit is contained in:
Daan Leijen 2022-04-07 19:09:31 -07:00
parent 25ecec3c3b
commit 3c7ce7d3c6
2 changed files with 39 additions and 26 deletions
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6
include/mimalloc-internal.h
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@ -138,8 +138,8 @@ mi_msecs_t _mi_clock_start(void);
// "alloc.c"
void* _mi_page_malloc(mi_heap_t* heap, mi_page_t* page, size_t size) mi_attr_noexcept; // called from `_mi_malloc_generic`
void* _mi_heap_malloc_zero(mi_heap_t* heap, size_t size, bool zero);
void* _mi_heap_realloc_zero(mi_heap_t* heap, void* p, size_t newsize, bool zero);
void* _mi_heap_malloc_zero(mi_heap_t* heap, size_t size, bool zero) mi_attr_noexcept;
void* _mi_heap_realloc_zero(mi_heap_t* heap, void* p, size_t newsize, bool zero) mi_attr_noexcept;
mi_block_t* _mi_page_ptr_unalign(const mi_segment_t* segment, const mi_page_t* page, const void* p);
bool _mi_free_delayed_block(mi_block_t* block);
void _mi_block_zero_init(const mi_page_t* page, void* p, size_t size);
@ -945,7 +945,7 @@ static inline void _mi_memcpy_aligned(void* dst, const void* src, size_t n) {
mi_assert_internal(((uintptr_t)dst % MI_INTPTR_SIZE == 0) && ((uintptr_t)src % MI_INTPTR_SIZE == 0));
void* adst = __builtin_assume_aligned(dst, MI_INTPTR_SIZE);
const void* asrc = __builtin_assume_aligned(src, MI_INTPTR_SIZE);
memcpy(adst, asrc, n);
_mi_memcpy(adst, asrc, n);
}
#else
// Default fallback on `_mi_memcpy`