src/hotspot/share/ci/ciFlatArray.hpp - master - githubmirror/panama-vector

src/hotspot/share/ci/ciFlatArray.hpp

56 строк2 KB

Christian Hagedorn

8388007: [lworld] [Umbrella] Adressing remaining compiler review comments from the Valhalla PR

03 авг 2026, 09:09

03 авг 2026, 09:09ba05044

/*
 * Copyright (c) 2017, 2026, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef SHARE_VM_CI_CIFLATARRAY_HPP
#define SHARE_VM_CI_CIFLATARRAY_HPP

#include "ci/ciArray.hpp"
#include "ci/ciClassList.hpp"

// ciFlatArray
//
// This class represents a flatArrayOop in the HotSpot virtual machine.
// TODO 8388127: Sync ciArray class hierarchy with arrayOopDesc class hierarchy.
class ciFlatArray : public ciArray {
  CI_PACKAGE_ACCESS

protected:
  ciFlatArray(flatArrayHandle h_o) : ciArray(h_o) {}

  const char* type_string() override { return "ciFlatArray"; }

public:
  bool is_flat_array() const override { return true; }
  bool is_flat() override { return true; }

  // Current value of an element at the specified offset.
  // Returns T_ILLEGAL if there is no element at the given offset.
  ciConstant element_value_by_offset(intptr_t element_offset) override;
  ciConstant field_value_by_offset(intptr_t field_offset);
  ciConstant field_value(int index, ciField* field);
  ciConstant null_marker_of_element_by_offset(intptr_t element_offset);
  ciConstant null_marker_of_element_by_index(int index);
};

#endif // SHARE_VM_CI_CIFLATARRAY_HPP