OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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.

From-SVN: r250603
This commit is contained in:
Martin Liska 2017-07-27 09:31:19 +02:00 committed by Martin Liska
parent ec2af726ed
commit 7d3d0ac762
4 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
gcc/ChangeLog
View File

@ -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

3
gcc/asan.c
View File

@ -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

8
gcc/testsuite/ChangeLog
View File

@ -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

11
gcc/testsuite/gcc.dg/asan/pr81224.c Normal file
View File

@ -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];
}