Fixes warning

1 files changed, 0 insertions, 67 deletions

diff --git a/gcc/ipa-str-reorg-dead-field-eliminate.c b/gcc/ipa-str-reorg-dead-field-eliminate.c
index a7a237b338b..a72ddc1452d 100644
--- a/gcc/ipa-str-reorg-dead-field-eliminate.c
+++ b/gcc/ipa-str-reorg-dead-field-eliminate.c
@@ -2016,73 +2016,6 @@ rewrite_pointer_plus_def_rhs_variable_replace_constants_implementation (
 }
 
 static tree
-rewrite_pointer_diff_def_rhs_variable (gimple_stmt_iterator &gsi, tree lhs,
-				       tree op0, tree op1, const_tree old_type)
-{
-  tree pointer_type = TREE_TYPE (op0);
-  gcc_assert (TREE_CODE (pointer_type) == POINTER_TYPE);
-  enum tree_code code = TREE_CODE (op1);
-  gcc_assert (TREE_CODE (op1) == SSA_NAME);
-  tree variable_type = TREE_TYPE (op1);
-  gcc_assert (TREE_CODE (TREE_TYPE (lhs)) == INTEGER_TYPE);
-  const_tree old_base_type = TREE_TYPE (old_type);
-  tree old_struct_size_tree_1 = TYPE_SIZE_UNIT (old_base_type);
-  int old_struct_size_int = tree_to_shwi (old_struct_size_tree_1);
-  const_tree new_base_type = TREE_TYPE (TREE_TYPE (op0));
-  tree new_struct_size_tree_1 = TYPE_SIZE_UNIT (new_base_type);
-  int new_struct_size_int = tree_to_shwi (new_struct_size_tree_1);
-
-  test_log ("old_struct_size_int = %d", 0, old_struct_size_int);
-  test_log ("new_struct_size_int = %d", 0, new_struct_size_int);
-  // avoid modifications
-  if (old_struct_size_int == new_struct_size_int)
-    return NULL;
-
-  // the variable holds the offset without multiplication by type size
-  // lhs = op0 - op1 <-- we are here
-  // _next = lhs / old_size
-  //
-  // What we want:
-  // lhs = op0 - op1
-  // tmpvar = lhs * old_size
-  // tmpvar2 = tmpvar / new_size
-  // _next = tmpvar2 / old_size
-  //
-  // Let's first create a temporary variable
-  // tmpvar = lhs * old_size
-  tree tmpvar = create_tmp_var (TREE_TYPE (lhs));
-  // Good.
-  // Now, we can make an integer constant
-  // that is old_struct_size;
-  // tmpvar = lhs * old_size
-
-  tree old_struct_size = build_int_cst (TREE_TYPE (lhs), old_struct_size_int);
-  // Good.
-  // Now we need to create a mult operation between the two
-  // Because there is no pointer division.
-  gassign *assign_stmt_1
-    = gimple_build_assign (tmpvar, MULT_EXPR, lhs, old_struct_size);
-
-  // Ok now we need a new temporary variable
-  // tmpvar2 = tmpvar / new_size
-  tree tmpvar2 = create_tmp_var (TREE_TYPE (lhs));
-  // Good.
-  // Now we need we need another integer constant
-  tree new_struct_size = build_int_cst (TREE_TYPE (lhs), new_struct_size_int);
-
-  // Good. Now we need to divide...
-  // tmpvar2 = tmpvar / new_size
-  gassign *assign_stmt_2
-    = gimple_build_assign (tmpvar2, EXACT_DIV_EXPR, tmpvar, new_struct_size);
-
-  // Now we need to insert assign_stmt_1 after us...
-  gsi_insert_after (&gsi, assign_stmt_1, GSI_NEW_STMT);
-  // Now we need to insert assign_stmt_2 after us...
-  gsi_insert_after (&gsi, assign_stmt_2, GSI_NEW_STMT);
-  return tmpvar2;
-}
-
-static tree
 rewrite_pointer_plus_def_rhs_integer_constant (tree pointer,
 					       tree integer_constant,
 					       const_tree old_type)