https://sourceware.org/bugzilla/show_bug.cgi?id=22954
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Martin Liska from comment #0)
> Maybe it's an issue of glibc, maybe valgrind can't handle that properly?
> Thanks
__wmemchr_avx2 uses vector compare and checks the elements of a vector
within boundary:
L(first_vec_x1_check):
tzcntl %eax, %eax
/* Check the end of data. */
cmpq %rax, %rdx
jbe L(zero)
addq $VEC_SIZE, %rax
addq %rdi, %rax
VZEROUPPER
ret
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