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| author | marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-07-27 07:31:19 +0000 |
|---|---|---|
| committer | marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-07-27 07:31:19 +0000 |
| commit | d7a0bf41601ea933d5732c9604326678a80cfd66 (patch) | |
| tree | 80d6836402f6ec2f8e4a436a1532aca5a2c79b7a | |
| parent | 31968b78d284fd5b27b088bad7bd5b6c8a2c8899 (diff) | |
| download | gcc-d7a0bf41601ea933d5732c9604326678a80cfd66.tar.gz | |
Backport r249728
2017-07-27 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.
2017-07-27 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: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@250603 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 e5dfd8badba..f57ae1eac9a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2017-07-27 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. + 2017-07-26 Sebastian Huber <sebastian.huber@embedded-brains.de> Backport from mainline diff --git a/gcc/asan.c b/gcc/asan.c index bf564a46b28..31bc060eaf1 100644 --- a/gcc/asan.c +++ b/gcc/asan.c @@ -1877,6 +1877,9 @@ 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 1ed2e14b15e..15dd9a66284 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2017-07-27 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. + 2017-07-26 Wilco Dijkstra <wdijkstr@arm.com> PR target/79041 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]; +} |