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src/share/vm/interpreter/abstractInterpreter.hpp

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rev 13183 : 8183232: Avoid resolving method_kind in AbstractInterpreter::can_be_compiled
Reviewed-by: coleenp, mdoerr, neliasso
   1 /*
   2  * Copyright (c) 1997, 2016, 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  *


 133   static MethodKind method_kind(methodHandle m);
 134   static address    entry_for_kind(MethodKind k)                { assert(0 <= k && k < number_of_method_entries, "illegal kind"); return _entry_table[k]; }
 135   static address    entry_for_method(methodHandle m)            { return entry_for_kind(method_kind(m)); }
 136 
 137   static address entry_for_cds_method(methodHandle m) {
 138     MethodKind k = method_kind(m);
 139     assert(0 <= k && k < number_of_method_entries, "illegal kind");
 140     return _cds_entry_table[k];
 141   }
 142 
 143   // used by class data sharing
 144   static void       update_cds_entry_table(MethodKind kind) NOT_CDS_RETURN;
 145 
 146   static address    get_trampoline_code_buffer(AbstractInterpreter::MethodKind kind) NOT_CDS_RETURN_(0);
 147 
 148   // used for bootstrapping method handles:
 149   static void       set_entry_for_kind(MethodKind k, address e);
 150 
 151   static void       print_method_kind(MethodKind kind)          PRODUCT_RETURN;
 152 
 153   static bool       can_be_compiled(methodHandle m);



















 154 
 155   // Runtime support
 156 
 157   // length = invoke bytecode length (to advance to next bytecode)
 158   static address deopt_entry(TosState state, int length) { ShouldNotReachHere(); return NULL; }
 159   static address return_entry(TosState state, int length, Bytecodes::Code code) { ShouldNotReachHere(); return NULL; }
 160 
 161   static address    rethrow_exception_entry()                   { return _rethrow_exception_entry; }
 162 
 163   // Activation size in words for a method that is just being called.
 164   // Parameters haven't been pushed so count them too.
 165   static int        size_top_interpreter_activation(Method* method);
 166 
 167   // Deoptimization support
 168   // Compute the entry address for continuation after
 169   static address deopt_continue_after_entry(Method* method,
 170                                             address bcp,
 171                                             int callee_parameters,
 172                                             bool is_top_frame);
 173   // Compute the entry address for reexecution


   1 /*
   2  * Copyright (c) 1997, 2017, 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  *


 133   static MethodKind method_kind(methodHandle m);
 134   static address    entry_for_kind(MethodKind k)                { assert(0 <= k && k < number_of_method_entries, "illegal kind"); return _entry_table[k]; }
 135   static address    entry_for_method(methodHandle m)            { return entry_for_kind(method_kind(m)); }
 136 
 137   static address entry_for_cds_method(methodHandle m) {
 138     MethodKind k = method_kind(m);
 139     assert(0 <= k && k < number_of_method_entries, "illegal kind");
 140     return _cds_entry_table[k];
 141   }
 142 
 143   // used by class data sharing
 144   static void       update_cds_entry_table(MethodKind kind) NOT_CDS_RETURN;
 145 
 146   static address    get_trampoline_code_buffer(AbstractInterpreter::MethodKind kind) NOT_CDS_RETURN_(0);
 147 
 148   // used for bootstrapping method handles:
 149   static void       set_entry_for_kind(MethodKind k, address e);
 150 
 151   static void       print_method_kind(MethodKind kind)          PRODUCT_RETURN;
 152 
 153   // These should never be compiled since the interpreter will prefer
 154   // the compiled version to the intrinsic version.
 155   static bool       can_be_compiled(const methodHandle& m) {
 156     switch (m->intrinsic_id()) {
 157       case vmIntrinsics::_dsin  : // fall thru
 158       case vmIntrinsics::_dcos  : // fall thru
 159       case vmIntrinsics::_dtan  : // fall thru
 160       case vmIntrinsics::_dabs  : // fall thru
 161       case vmIntrinsics::_dsqrt : // fall thru
 162       case vmIntrinsics::_dlog  : // fall thru
 163       case vmIntrinsics::_dlog10: // fall thru
 164       case vmIntrinsics::_dpow  : // fall thru
 165       case vmIntrinsics::_dexp  : // fall thru
 166       case vmIntrinsics::_fmaD  : // fall thru
 167       case vmIntrinsics::_fmaF  : // fall thru
 168         return false;
 169       default:
 170         return true;
 171     }
 172   }
 173 
 174   // Runtime support
 175 
 176   // length = invoke bytecode length (to advance to next bytecode)
 177   static address deopt_entry(TosState state, int length) { ShouldNotReachHere(); return NULL; }
 178   static address return_entry(TosState state, int length, Bytecodes::Code code) { ShouldNotReachHere(); return NULL; }
 179 
 180   static address    rethrow_exception_entry()                   { return _rethrow_exception_entry; }
 181 
 182   // Activation size in words for a method that is just being called.
 183   // Parameters haven't been pushed so count them too.
 184   static int        size_top_interpreter_activation(Method* method);
 185 
 186   // Deoptimization support
 187   // Compute the entry address for continuation after
 188   static address deopt_continue_after_entry(Method* method,
 189                                             address bcp,
 190                                             int callee_parameters,
 191                                             bool is_top_frame);
 192   // Compute the entry address for reexecution


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