hotspot/src/cpu/x86/vm/stubRoutines_x86_64.hpp
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6939861: JVM should handle more conversion operations Reviewed-by: twisti, jrose
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/*
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 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef CPU_X86_VM_STUBROUTINES_X86_64_HPP
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#define CPU_X86_VM_STUBROUTINES_X86_64_HPP
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// This file holds the platform specific parts of the StubRoutines
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// definition. See stubRoutines.hpp for a description on how to
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// extend it.
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static bool    returns_to_call_stub(address return_pc)   { return return_pc == _call_stub_return_address; }
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enum platform_dependent_constants {
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  code_size1 = 19000,          // simply increase if too small (assembler will crash if too small)
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  code_size2 = 22000           // simply increase if too small (assembler will crash if too small)
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};
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// MethodHandles adapters
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enum method_handles_platform_dependent_constants {
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  method_handles_adapters_code_size = 80000 DEBUG_ONLY(+ 120000)
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};
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class x86 {
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 friend class StubGenerator;
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 private:
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  static address _get_previous_fp_entry;
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  static address _verify_mxcsr_entry;
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  static address _f2i_fixup;
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  static address _f2l_fixup;
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  static address _d2i_fixup;
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  static address _d2l_fixup;
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  static address _float_sign_mask;
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  static address _float_sign_flip;
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  static address _double_sign_mask;
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  static address _double_sign_flip;
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  static address _mxcsr_std;
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  static address get_previous_fp_entry()
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  {
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    return _get_previous_fp_entry;
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  }
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  static address verify_mxcsr_entry()
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  {
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    return _verify_mxcsr_entry;
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  }
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  static address f2i_fixup()
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  {
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    return _f2i_fixup;
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  }
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  static address f2l_fixup()
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  {
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    return _f2l_fixup;
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  }
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  static address d2i_fixup()
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  {
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    return _d2i_fixup;
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  }
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  static address d2l_fixup()
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  {
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    return _d2l_fixup;
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  }
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  static address float_sign_mask()
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  {
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    return _float_sign_mask;
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  }
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  static address float_sign_flip()
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  {
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    return _float_sign_flip;
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  }
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  static address double_sign_mask()
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  {
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    return _double_sign_mask;
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  }
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  static address double_sign_flip()
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  {
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    return _double_sign_flip;
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  }
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  static address mxcsr_std()
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  {
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    return _mxcsr_std;
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  }
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};
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#endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP