https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89124
Bug ID: 89124
Summary: __attribute__((no_sanitize_address)) interferes with
__attribute__((target(xxx)))
Product: gcc
Version: 8.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: thiago at kde dot org
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at
gcc dot gnu.org
Target Milestone: ---
$ cat test.cpp
#include <immintrin.h>
#ifdef __GNUC__
__attribute__((target("avx2"), no_sanitize_address))
#endif
void f(void *ptr)
{
_mm256_loadu_si256((__m256i *)ptr);
}
$ gcc -c test.cpp && echo ok
ok
$ gcc -c -fsanitize=addreess test.cpp
In file included from
/opt/compiler-explorer/gcc-8.2.0/lib/gcc/x86_64-linux-gnu/8.2.0/include/immintrin.h:41,
from <source>:1:
/opt/compiler-explorer/gcc-8.2.0/lib/gcc/x86_64-linux-gnu/8.2.0/include/avxintrin.h:
In function 'void f(void*)':
/opt/compiler-explorer/gcc-8.2.0/lib/gcc/x86_64-linux-gnu/8.2.0/include/avxintrin.h:919:1:
error: inlining failed in call to always_inline '__m256i
_mm256_loadu_si256(const __m256i_u*)': function attribute mismatch
_mm256_loadu_si256 (__m256i_u const *__P)
^~~~~~~~~~~~~~~~~~
<source>:8:23: note: called from here
_mm256_loadu_si256((__m256i *)ptr);
~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
Works fine in Clang. Godbolt link: https://godbolt.org/z/rg5kUD
