src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp

Tue, 24 Jul 2012 10:51:00 -0700

author
twisti
date
Tue, 24 Jul 2012 10:51:00 -0700
changeset 3969
1d7922586cf6
parent 3435
898522ae3c32
child 4153
b9a9ed0f8eeb
permissions
-rw-r--r--

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

     1 /*
     2  * Copyright (c) 2000, 2010, 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_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP
    26 #define CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP
    28  private:
    30   //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    31   //
    32   // Sparc load/store emission
    33   //
    34   // The sparc ld/st instructions cannot accomodate displacements > 13 bits long.
    35   // The following "pseudo" sparc instructions (load/store) make it easier to use the indexed addressing mode
    36   // by allowing 32 bit displacements:
    37   //
    38   //    When disp <= 13 bits long, a single load or store instruction is emitted with (disp + [d]).
    39   //    When disp >  13 bits long, code is emitted to set the displacement into the O7 register,
    40   //       and then a load or store is emitted with ([O7] + [d]).
    41   //
    43   int store(LIR_Opr from_reg, Register base, int offset, BasicType type, bool wide, bool unaligned);
    44   int store(LIR_Opr from_reg, Register base, Register disp, BasicType type, bool wide);
    46   int load(Register base, int offset, LIR_Opr to_reg, BasicType type, bool wide, bool unaligned);
    47   int load(Register base, Register disp, LIR_Opr to_reg, BasicType type, bool wide);
    49   void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register hdr, int monitor_no);
    51   int shift_amount(BasicType t);
    53   static bool is_single_instruction(LIR_Op* op);
    55   // Record the type of the receiver in ReceiverTypeData
    56   void type_profile_helper(Register mdo, int mdo_offset_bias,
    57                            ciMethodData *md, ciProfileData *data,
    58                            Register recv, Register tmp1, Label* update_done);
    59   // Setup pointers to MDO, MDO slot, also compute offset bias to access the slot.
    60   void setup_md_access(ciMethod* method, int bci,
    61                        ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias);
    62  public:
    63   void   pack64(LIR_Opr src, LIR_Opr dst);
    64   void unpack64(LIR_Opr src, LIR_Opr dst);
    66 enum {
    67 #ifdef _LP64
    68          call_stub_size = 68,
    69 #else
    70          call_stub_size = 20,
    71 #endif // _LP64
    72          exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(128),
    73          deopt_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(64)  };
    75 #endif // CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP

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