diff options
| author | ygribov <ygribov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-10-31 12:10:01 +0000 |
|---|---|---|
| committer | ygribov <ygribov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-10-31 12:10:01 +0000 |
| commit | a15fa55a4a13bde63a86422bba672b3af8232a31 (patch) | |
| tree | 7438abbee1b4ca771f0ec316e0e4cd9ad092194f /gcc/asan.c | |
| parent | 85b33eac67921c1f4f96cccf3fdeadcf3caa2aa9 (diff) | |
| download | gcc-a15fa55a4a13bde63a86422bba672b3af8232a31.tar.gz | |
2013-10-31 Richard Sandiford <rsandifo@linux.vnet.ibm.com>
Yury Gribov <y.gribov@samsung.com>
PR sanitizer/58543
* asan.c (asan_clear_shadow): Allocate a new vreg for temporary
shadow pointer to avoid clobbering the main one.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204251 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/asan.c')
| -rw-r--r-- | gcc/asan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/asan.c b/gcc/asan.c index f2934b0490d..81397198f60 100644 --- a/gcc/asan.c +++ b/gcc/asan.c @@ -898,7 +898,7 @@ asan_clear_shadow (rtx shadow_mem, HOST_WIDE_INT len) gcc_assert ((len & 3) == 0); top_label = gen_label_rtx (); - addr = force_reg (Pmode, XEXP (shadow_mem, 0)); + addr = copy_to_mode_reg (Pmode, XEXP (shadow_mem, 0)); shadow_mem = adjust_automodify_address (shadow_mem, SImode, addr, 0); end = force_reg (Pmode, plus_constant (Pmode, addr, len)); emit_label (top_label); |