From cbe26b97ab0653b334285ee6af45781c49490db2 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Thu, 26 Jun 2014 07:56:10 +0000 Subject: [PATCH] tree-ssa-dom.c (cprop_operand): Remove restriction on propagating volatile pointers. 2014-06-26 Richard Biener * tree-ssa-dom.c (cprop_operand): Remove restriction on propagating volatile pointers. From-SVN: r212013 --- gcc/ChangeLog | 5 +++++ gcc/tree-ssa-dom.c | 8 -------- 2 files changed, 5 insertions(+), 8 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d26b93e5402b..6a7516c55315 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-06-26 Richard Biener + + * tree-ssa-dom.c (cprop_operand): Remove restriction on + propagating volatile pointers. + 2014-06-26 Richard Biener PR tree-optimization/61607 diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 61e75b6fb203..62444b262de1 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 -- 2.47.2