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| author | Jakub Jelinek <jakub@redhat.com> | 2013-04-30 10:52:39 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2013-04-30 10:52:39 +0200 |
| commit | abc27962b81152a9c68108b2e11e8a90129a46e9 (patch) | |
| tree | 8a3d7a7b22017e4955b031f6a31a1e1e9053d05f /gcc | |
| parent | a46d0aff5ed746e3f8c6c8b94cd86e3a29918300 (diff) | |
| download | gcc-abc27962b81152a9c68108b2e11e8a90129a46e9.zip gcc-abc27962b81152a9c68108b2e11e8a90129a46e9.tar.gz gcc-abc27962b81152a9c68108b2e11e8a90129a46e9.tar.bz2 | |
re PR sanitizer/57104 (ICE: in expand_expr_addr_expr_1, at expr.c:7594 with -fsanitize=thread and hardreg variable)
PR tree-optimization/57104
* tsan.c (instrument_expr): Don't instrument accesses to
DECL_HARD_REGISTER VAR_DECLs.
* gcc.dg/pr57104.c: New test.
From-SVN: r198445
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr57104.c | 12 | ||||
| -rw-r--r-- | gcc/tsan.c | 4 |
4 files changed, 26 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 62248a6..236a905 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-04-30 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/57104 + * tsan.c (instrument_expr): Don't instrument accesses to + DECL_HARD_REGISTER VAR_DECLs. + 2013-04-30 Richard Biener <rguenther@suse.de> * function.h (loops_for_fn): New inline function. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 56f3ac8..77183fe 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2013-04-30 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/57104 + * gcc.dg/pr57104.c: New test. + 2013-04-29 Uros Bizjak <ubizjak@gmail.com> PR target/44578 diff --git a/gcc/testsuite/gcc.dg/pr57104.c b/gcc/testsuite/gcc.dg/pr57104.c new file mode 100644 index 0000000..3a7013b --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr57104.c @@ -0,0 +1,12 @@ +/* PR tree-optimization/57104 */ +/* { dg-do compile { target { x86_64-*-linux* && lp64 } } } */ +/* { dg-options "-fsanitize=thread" } */ + +register int r asm ("r14"); +int v; + +int +foo (void) +{ + return r + v; +} @@ -128,7 +128,9 @@ instrument_expr (gimple_stmt_iterator gsi, tree expr, bool is_write) return false; } - if (TREE_READONLY (base)) + if (TREE_READONLY (base) + || (TREE_CODE (base) == VAR_DECL + && DECL_HARD_REGISTER (base))) return false; if (size == 0 |