https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80936
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-08-29
CC| |egallager at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Eric Gallager <egallager at gcc dot gnu.org> ---
I get warnings for the bcopy parts:
$ /usr/local/bin/gcc -c -O2 -S -Wall -Wextra 80936.c
80936.c: In function ‘zero0’:
80936.c:4:3: warning: argument 1 null where non-null expected [-Wnonnull]
__builtin_memset (p, 0, n); // warning, good
^~~~~~~~~~~~~~~~~~~~~~~~~~
80936.c:4:3: note: in a call to built-in function ‘__builtin_memset’
80936.c: In function ‘copy0’:
80936.c:16:3: warning: argument 1 null where non-null expected [-Wnonnull]
__builtin_memcpy (p, q, n); // warning, good
^~~~~~~~~~~~~~~~~~~~~~~~~~
80936.c:16:3: note: in a call to built-in function ‘__builtin_memcpy’
80936.c: In function ‘copy1’:
80936.c:22:3: warning: argument 2 null where non-null expected [-Wnonnull]
__builtin_memcpy (p, q, n); // warning, good
^~~~~~~~~~~~~~~~~~~~~~~~~~
80936.c:22:3: note: in a call to built-in function ‘__builtin_memcpy’
80936.c: In function ‘copy2’:
80936.c:28:3: warning: argument 1 null where non-null expected [-Wnonnull]
__builtin_bcopy (q, p, n); // missing warning
^~~~~~~~~~~~~~~~~~~~~~~~~
80936.c:28:3: note: in a call to built-in function ‘__builtin_memmove’
80936.c: In function ‘copy3’:
80936.c:34:3: warning: argument 2 null where non-null expected [-Wnonnull]
__builtin_bcopy (q, p, n); // missing warning
^~~~~~~~~~~~~~~~~~~~~~~~~
80936.c:34:3: note: in a call to built-in function ‘__builtin_memmove’
80936.c: In function ‘cmp0’:
80936.c:40:10: warning: argument 1 null where non-null expected [-Wnonnull]
return __builtin_memcmp (p, q, n); // warning, good
^~~~~~~~~~~~~~~~~~~~~~~~~~
80936.c:40:10: note: in a call to built-in function ‘__builtin_memcmp’
80936.c: In function ‘cmp1’:
80936.c:47:10: warning: argument 2 null where non-null expected [-Wnonnull]
return __builtin_memcmp (p, q, n); // warning, good
^~~~~~~~~~~~~~~~~~~~~~~~~~
80936.c:47:10: note: in a call to built-in function ‘__builtin_memcmp’
$
Confirmed for the rest though.
