diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-dom.c | 8 |
2 files changed, 5 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d26b93e..6a7516c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2014-06-26 Richard Biener <rguenther@suse.de> + * tree-ssa-dom.c (cprop_operand): Remove restriction on + propagating volatile pointers. + +2014-06-26 Richard Biener <rguenther@suse.de> + PR tree-optimization/61607 * tree-ssa-threadupdate.c (ssa_redirect_edges): Cancel the loop if we redirected its latch edge. diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 61e75b6..62444b2 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -2247,14 +2247,6 @@ cprop_operand (gimple stmt, use_operand_p op_p) if (!may_propagate_copy (op, val)) return; - /* Do not propagate addresses that point to volatiles into memory - stmts without volatile operands. */ - if (POINTER_TYPE_P (TREE_TYPE (val)) - && TYPE_VOLATILE (TREE_TYPE (TREE_TYPE (val))) - && gimple_has_mem_ops (stmt) - && !gimple_has_volatile_ops (stmt)) - return; - /* Do not propagate copies if the propagated value is at a deeper loop depth than the propagatee. Otherwise, this may move loop variant variables outside of their loops and prevent coalescing |