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Merge pull request #411 from jserv/predict-alloc_size

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Add branch hint for _mi_os_good_alloc_size
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Daan 2021-06-07 16:55:39 -07:00 • committed by GitHub
commit cd633b2e2a
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src/os.c
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@ -113,7 +113,7 @@ size_t _mi_os_good_alloc_size(size_t size) {
else if (size < 8*MiB) align_size = 256*KiB;
else if (size < 32*MiB) align_size = 1*MiB;
else align_size = 4*MiB;
if (size >= (SIZE_MAX - align_size)) return size; // possible overflow?
if (mi_unlikely(size >= (SIZE_MAX - align_size))) return size; // possible overflow?
return _mi_align_up(size, align_size);
}