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| author | Richard Biener <rguenther@suse.de> | 2014-06-26 07:56:10 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-06-26 07:56:10 +0000 |
| commit | cbe26b97ab0653b334285ee6af45781c49490db2 (patch) | |
| tree | 6a51aa6c83b292f81f0067527fd544c2e2288d42 /gcc/tree-ssa-dom.c | |
| parent | 974bb959b2323680a74b5bfffc322d60ac2c2c99 (diff) | |
| download | gcc-cbe26b97ab0653b334285ee6af45781c49490db2.zip gcc-cbe26b97ab0653b334285ee6af45781c49490db2.tar.gz gcc-cbe26b97ab0653b334285ee6af45781c49490db2.tar.bz2 | |
tree-ssa-dom.c (cprop_operand): Remove restriction on propagating volatile pointers.
2014-06-26 Richard Biener <rguenther@suse.de>
* tree-ssa-dom.c (cprop_operand): Remove restriction on
propagating volatile pointers.
From-SVN: r212013
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 8 |
1 files changed, 0 insertions, 8 deletions
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 |