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| author | Martin Liska <mliska@suse.cz> | 2017-06-28 09:59:23 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2017-06-28 07:59:23 +0000 |
| commit | 6dc61b4533d9b58c10a57761378701e2f9d1b9c0 (patch) | |
| tree | d60813334f2635c212881c64cdbfa4f43714df77 /gcc | |
| parent | 576f123b8342072609eb78e6d36736c2e469cda0 (diff) | |
| download | gcc-6dc61b4533d9b58c10a57761378701e2f9d1b9c0.zip gcc-6dc61b4533d9b58c10a57761378701e2f9d1b9c0.tar.gz gcc-6dc61b4533d9b58c10a57761378701e2f9d1b9c0.tar.bz2 | |
Bail out HARD_REGISTER vars in asan (PR sanitizer/81224).
2017-06-28 Martin Liska <mliska@suse.cz>
PR sanitizer/81224
* asan.c (instrument_derefs): Bail out inner references
that are hard register variables.
2017-06-28 Martin Liska <mliska@suse.cz>
PR sanitizer/81224
* gcc.dg/asan/pr81224.c: New test.
From-SVN: r249728
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/asan.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/asan/pr81224.c | 11 |
4 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ff71efa..a70b03d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-06-28 Martin Liska <mliska@suse.cz> + + PR sanitizer/81224 + * asan.c (instrument_derefs): Bail out inner references + that are hard register variables. + 2017-06-28 Jakub Jelinek <jakub@redhat.com> PR target/81175 @@ -1875,6 +1875,9 @@ instrument_derefs (gimple_stmt_iterator *iter, tree t, || bitsize != size_in_bytes * BITS_PER_UNIT) return; + if (VAR_P (inner) && DECL_HARD_REGISTER (inner)) + return; + if (VAR_P (inner) && offset == NULL_TREE && bitpos >= 0 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index f2f9a3e..178b236 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-06-28 Martin Liska <mliska@suse.cz> + + PR sanitizer/81224 + * gcc.dg/asan/pr81224.c: New test. + 2017-06-28 Eric Botcazou <ebotcazou@adacore.com> * gcc.dg/tree-prof/val-profiler-threads-1.c (main): Fix 2nd argument diff --git a/gcc/testsuite/gcc.dg/asan/pr81224.c b/gcc/testsuite/gcc.dg/asan/pr81224.c new file mode 100644 index 0000000..def5cb6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/asan/pr81224.c @@ -0,0 +1,11 @@ +/* PR sanitizer/80659 */ +/* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */ +/* { dg-additional-options "-msse2" } */ + +int a; +int +b () +{ + register __attribute__ ((__vector_size__ (4 * sizeof (int)))) int c asm("xmm0"); + return c[a]; +} |