diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ipa-pure-const.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 009203b51b2..60bc0a9ae3b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2012-01-27 Richard Guenther <rguenther@suse.de> + * ipa-pure-const.c (check_stmt): Clobbers do not make a + function non-const/pure. + +2012-01-27 Richard Guenther <rguenther@suse.de> + PR tree-optimization/50444 * tree-sra.c (build_ref_for_offset): Properly adjust the MEM_REF type for unaligned accesses. diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c index 82e24cf5a01..e8b21f9fc6b 100644 --- a/gcc/ipa-pure-const.c +++ b/gcc/ipa-pure-const.c @@ -652,7 +652,8 @@ check_stmt (gimple_stmt_iterator *gsip, funct_state local, bool ipa) print_gimple_stmt (dump_file, stmt, 0, 0); } - if (gimple_has_volatile_ops (stmt)) + if (gimple_has_volatile_ops (stmt) + && !gimple_clobber_p (stmt)) { local->pure_const_state = IPA_NEITHER; if (dump_file) |