2011-07-25 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / tree-ssa-pre.c

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 51d9dcd..a50c837 100644 (file)
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -1150,14 +1150,6 @@ fully_constant_expression (pre_expr e)
        vn_nary_op_t nary = PRE_EXPR_NARY (e);
        switch (TREE_CODE_CLASS (nary->opcode))
          {
-         case tcc_expression:
-           if (nary->opcode == TRUTH_NOT_EXPR)
-             goto do_unary;
-           if (nary->opcode != TRUTH_AND_EXPR
-               && nary->opcode != TRUTH_OR_EXPR
-               && nary->opcode != TRUTH_XOR_EXPR)
-             return e;
-           /* Fallthrough.  */
          case tcc_binary:
          case tcc_comparison:
            {
@@ -1199,7 +1191,6 @@ fully_constant_expression (pre_expr e)
              return e;
            /* Fallthrough.  */
          case tcc_unary:
-do_unary:
            {
              /* We have to go from trees to pre exprs to value ids to
                 constants.  */
@@ -2771,7 +2762,7 @@ create_component_ref_by_pieces_1 (basic_block block, vn_reference_t ref,
            gcc_assert (base);
            offset = int_const_binop (PLUS_EXPR, offset,
                                      build_int_cst (TREE_TYPE (offset),
-                                                    off), 0);
+                                                    off));
            baseop = build_fold_addr_expr (base);
          }
        return fold_build2 (MEM_REF, currop->type, baseop, offset);
@@ -4978,7 +4969,7 @@ struct gimple_opt_pass pass_pre =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   TODO_rebuild_alias,                  /* todo_flags_start */
-  TODO_update_ssa_only_virtuals | TODO_dump_func | TODO_ggc_collect
+  TODO_update_ssa_only_virtuals  | TODO_ggc_collect
   | TODO_verify_ssa /* todo_flags_finish */
  }
 };
@@ -5013,6 +5004,6 @@ struct gimple_opt_pass pass_fre =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_ggc_collect | TODO_verify_ssa /* todo_flags_finish */
+  TODO_ggc_collect | TODO_verify_ssa /* todo_flags_finish */
  }
 };