src/cpu/x86/vm/stubRoutines_x86_64.hpp

Wed, 17 Feb 2016 13:40:12 +0300

author
igerasim
date
Wed, 17 Feb 2016 13:40:12 +0300
changeset 8489
51c505229e71
parent 8307
daaf806995b3
child 8604
04d83ba48607
child 9742
9f614da5f371
permissions
-rw-r--r--

8081778: Use Intel x64 CPU instructions for RSA acceleration
Summary: Add intrinsics for BigInteger squareToLen and mulAdd methods.
Reviewed-by: kvn, jrose

     1 /*
     2  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #ifndef CPU_X86_VM_STUBROUTINES_X86_64_HPP
    26 #define CPU_X86_VM_STUBROUTINES_X86_64_HPP
    28 // This file holds the platform specific parts of the StubRoutines
    29 // definition. See stubRoutines.hpp for a description on how to
    30 // extend it.
    32 static bool    returns_to_call_stub(address return_pc)   { return return_pc == _call_stub_return_address; }
    34 enum platform_dependent_constants {
    35   code_size1 = 19000,          // simply increase if too small (assembler will crash if too small)
    36   code_size2 = 23000           // simply increase if too small (assembler will crash if too small)
    37 };
    39 class x86 {
    40  friend class StubGenerator;
    42  private:
    43   static address _get_previous_fp_entry;
    44   static address _get_previous_sp_entry;
    46   static address _f2i_fixup;
    47   static address _f2l_fixup;
    48   static address _d2i_fixup;
    49   static address _d2l_fixup;
    51   static address _float_sign_mask;
    52   static address _float_sign_flip;
    53   static address _double_sign_mask;
    54   static address _double_sign_flip;
    56  public:
    58   static address get_previous_fp_entry()
    59   {
    60     return _get_previous_fp_entry;
    61   }
    63   static address get_previous_sp_entry()
    64   {
    65     return _get_previous_sp_entry;
    66   }
    68   static address f2i_fixup()
    69   {
    70     return _f2i_fixup;
    71   }
    73   static address f2l_fixup()
    74   {
    75     return _f2l_fixup;
    76   }
    78   static address d2i_fixup()
    79   {
    80     return _d2i_fixup;
    81   }
    83   static address d2l_fixup()
    84   {
    85     return _d2l_fixup;
    86   }
    88   static address float_sign_mask()
    89   {
    90     return _float_sign_mask;
    91   }
    93   static address float_sign_flip()
    94   {
    95     return _float_sign_flip;
    96   }
    98   static address double_sign_mask()
    99   {
   100     return _double_sign_mask;
   101   }
   103   static address double_sign_flip()
   104   {
   105     return _double_sign_flip;
   106   }
   108 # include "stubRoutines_x86.hpp"
   110 };
   112 #endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP

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