jdk8-mips64-public/hotspot: src/cpu/zero/vm/frame

6926048: Improve Zero performance
Summary: Make Zero figure out result types in a similar way to C++ interpreter implementation.
Reviewed-by: kvn
Contributed-by: gbenson@redhat.com

     1 /*

     2  * Copyright 2003-2007 Sun Microsystems, Inc.  All Rights Reserved.

     3  * Copyright 2007, 2008, 2009 Red Hat, Inc.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    21  * CA 95054 USA or visit www.sun.com if you need additional information or

    22  * have any questions.

    23  *

    24  */

    26 // Constructors

    28 inline frame::frame() {

    29   _sp = NULL;

    30   _fp = NULL;

    31   _pc = NULL;

    32   _cb = NULL;

    33   _deopt_state = unknown;

    34 }

    36 inline frame::frame(intptr_t* sp, intptr_t* fp) {

    37   _sp = sp;

    38   _fp = fp;

    39   switch (zeroframe()->type()) {

    40   case ZeroFrame::ENTRY_FRAME:

    41     _pc = StubRoutines::call_stub_return_pc();

    42     _cb = NULL;

    43     break;

    45   case ZeroFrame::INTERPRETER_FRAME:

    46     _pc = NULL;

    47     _cb = NULL;

    48     break;

    50   case ZeroFrame::SHARK_FRAME:

    51     _pc = zero_sharkframe()->pc();

    52     _cb = CodeCache::find_blob_unsafe(pc());

    53     break;

    55   case ZeroFrame::FAKE_STUB_FRAME:

    56     _pc = NULL;

    57     _cb = NULL;

    58     break;

    60   default:

    61     ShouldNotReachHere();

    62   }

    63   _deopt_state = not_deoptimized;

    64 }

    66 // Accessors

    68 inline intptr_t* frame::sender_sp() const {

    69   return (intptr_t *) zeroframe()->next();

    70 }

    72 inline intptr_t* frame::link() const {

    73   ShouldNotCallThis();

    74 }

    76 #ifdef CC_INTERP

    77 inline interpreterState frame::get_interpreterState() const {

    78   return zero_interpreterframe()->interpreter_state();

    79 }

    81 inline intptr_t** frame::interpreter_frame_locals_addr() const {

    82   return &(get_interpreterState()->_locals);

    83 }

    85 inline intptr_t* frame::interpreter_frame_bcx_addr() const {

    86   return (intptr_t*) &(get_interpreterState()->_bcp);

    87 }

    89 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const {

    90   return &(get_interpreterState()->_constants);

    91 }

    93 inline methodOop* frame::interpreter_frame_method_addr() const {

    94   return &(get_interpreterState()->_method);

    95 }

    97 inline intptr_t* frame::interpreter_frame_mdx_addr() const {

    98   return (intptr_t*) &(get_interpreterState()->_mdx);

    99 }

   101 inline intptr_t* frame::interpreter_frame_tos_address() const {

   102   return get_interpreterState()->_stack + 1;

   103 }

   104 #endif // CC_INTERP

   106 inline int frame::interpreter_frame_monitor_size() {

   107   return BasicObjectLock::size();

   108 }

   110 inline intptr_t* frame::interpreter_frame_expression_stack() const {

   111   intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end();

   112   return monitor_end - 1;

   113 }

   115 inline jint frame::interpreter_frame_expression_stack_direction() {

   116   return -1;

   117 }

   119 // Return a unique id for this frame. The id must have a value where

   120 // we can distinguish identity and younger/older relationship. NULL

   121 // represents an invalid (incomparable) frame.

   122 inline intptr_t* frame::id() const {

   123   return sp();

   124 }

   126 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const {

   127   return zero_entryframe()->call_wrapper();

   128 }

   130 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {

   131   ShouldNotCallThis();

   132 }

   134 inline oop frame::saved_oop_result(RegisterMap* map) const {

   135   ShouldNotCallThis();

   136 }

   138 inline bool frame::is_older(intptr_t* id) const {

   139   ShouldNotCallThis();

   140 }

   142 inline intptr_t* frame::entry_frame_argument_at(int offset) const {

   143   ShouldNotCallThis();

   144 }

   146 inline intptr_t* frame::unextended_sp() const {

   147   if (zeroframe()->is_shark_frame())

   148     return zero_sharkframe()->unextended_sp();

   149   else

   150     return (intptr_t *) -1;

   151 }

src/cpu/zero/vm/frame_zero.inline.hpp@c09ee209b65c

src/cpu/zero/vm/frame_zero.inline.hpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/cpu/zero/vm/frame_zero.inline.hpp@c09ee209b65c

src/cpu/zero/vm/frame_zero.inline.hpp