diff options
| author | Martin Liska <mliska@suse.cz> | 2017-09-15 12:14:40 +0000 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2017-09-15 12:14:40 +0000 |
| commit | 2fa44d2c796012a445f634ab4982cb218e327c6d (patch) | |
| tree | c98533c5cb5caa32bd37e9107bbdbebf9597ceae | |
| parent | 5a9a435714a605ec6b39b59266f282dcdc25a44d (diff) | |
Backport r249728
2017-09-15 Martin Liska <mliska@suse.cz>
Backport from mainline
2017-06-28 Martin Liska <mliska@suse.cz>
PR sanitizer/81224
* asan.c (instrument_derefs): Bail out inner references
that are hard register variables.
2017-09-15 Martin Liska <mliska@suse.cz>
Backport from mainline
2017-06-28 Martin Liska <mliska@suse.cz>
PR sanitizer/81224
* gcc.dg/asan/pr81224.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@252813 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/asan.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/asan/pr81224.c | 11 |
4 files changed, 31 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 38cbf7dff75..df6a3116d0f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,15 @@ 2017-09-15 Martin Liska <mliska@suse.cz> Backport from mainline + 2017-06-28 Martin Liska <mliska@suse.cz> + + PR sanitizer/81224 + * asan.c (instrument_derefs): Bail out inner references + that are hard register variables. + +2017-09-15 Martin Liska <mliska@suse.cz> + + Backport from mainline 2017-08-30 Martin Liska <mliska@suse.cz> PR inline-asm/82001 diff --git a/gcc/asan.c b/gcc/asan.c index 8e359681fc4..3edbdf37612 100644 --- a/gcc/asan.c +++ b/gcc/asan.c @@ -1802,6 +1802,9 @@ instrument_derefs (gimple_stmt_iterator *iter, tree t, || bitsize != size_in_bytes * BITS_PER_UNIT) return; + if (TREE_CODE (inner) == VAR_DECL && DECL_HARD_REGISTER (inner)) + return; + if (TREE_CODE (inner) == VAR_DECL && offset == NULL_TREE && bitpos >= 0 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 576064b4f2c..f79cb0d3ff6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,6 +1,14 @@ 2017-09-15 Martin Liska <mliska@suse.cz> Backport from mainline + 2017-06-28 Martin Liska <mliska@suse.cz> + + PR sanitizer/81224 + * gcc.dg/asan/pr81224.c: New test. + +2017-09-15 Martin Liska <mliska@suse.cz> + + Backport from mainline 2017-08-30 Martin Liska <mliska@suse.cz> PR inline-asm/82001 diff --git a/gcc/testsuite/gcc.dg/asan/pr81224.c b/gcc/testsuite/gcc.dg/asan/pr81224.c new file mode 100644 index 00000000000..def5cb69aec --- /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]; +} |