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Both src and dst should be alignment checked separately
The following pattern passes the current check:
src - 1010
dst - 0101
mask - 1111
master
Arun Prakash Jana
6 years ago
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GPG Key ID: A75979F35C080412
1 changed files with
1 additions and
1 deletions
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nnn.c
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@@ -488,7 +488,7 @@ xstrlcpy(char *dest, const char *src, size_t n) |
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* To enable -O3 ensure src and dest are 16-byte aligned |
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* More info: http://www.felixcloutier.com/x86/MOVDQA.html |
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*/ |
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if ((n >= lsize) && !((ulong)src & (ulong)dest & _ALIGNMENT_MASK)) { |
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if ((n >= lsize) && (((ulong)src & _ALIGNMENT_MASK) == 0 && ((ulong)dest & _ALIGNMENT_MASK) == 0)) { |
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s = (ulong *)src; |
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d = (ulong *)dest; |
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blocks = n >> _WSHIFT; |
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