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comparison src/cpu/sparc/vm/cppInterpreter_sparc.cpp @ 6123:2fe087c3e814

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7172967: Eliminate constMethod's _method backpointer to methodOop. Summary: Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod. Reviewed-by: roland, bdelsart, kamg
author jiangli
date Wed, 06 Jun 2012 14:33:43 -0400
parents 8a48c2906f91
children 1d7922586cf6
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6115:6e2633440960 6123:2fe087c3e814
1 /* 1 /*
2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
488 __ sll(G1_scratch, 2*BitsPerByte, G1_scratch); 488 __ sll(G1_scratch, 2*BitsPerByte, G1_scratch);
489 __ srl(G1_scratch, 2*BitsPerByte - exact_log2(in_words( 489 __ srl(G1_scratch, 2*BitsPerByte - exact_log2(in_words(
490 ConstantPoolCacheEntry::size()) * BytesPerWord), G1_scratch); 490 ConstantPoolCacheEntry::size()) * BytesPerWord), G1_scratch);
491 491
492 // get constant pool cache 492 // get constant pool cache
493 __ ld_ptr(G5_method, in_bytes(methodOopDesc::constants_offset()), G3_scratch); 493 __ ld_ptr(G5_method, in_bytes(methodOopDesc::const_offset()), G3_scratch);
494 __ ld_ptr(G3_scratch, in_bytes(constMethodOopDesc::constants_offset()), G3_scratch);
494 __ ld_ptr(G3_scratch, constantPoolOopDesc::cache_offset_in_bytes(), G3_scratch); 495 __ ld_ptr(G3_scratch, constantPoolOopDesc::cache_offset_in_bytes(), G3_scratch);
495 496
496 // get specific constant pool cache entry 497 // get specific constant pool cache entry
497 __ add(G3_scratch, G1_scratch, G3_scratch); 498 __ add(G3_scratch, G1_scratch, G3_scratch);
498 499
766 // get native function entry point(O0 is a good temp until the very end) 767 // get native function entry point(O0 is a good temp until the very end)
767 ld_ptr(Address(G5_method, 0, in_bytes(methodOopDesc::native_function_offset())), O0); 768 ld_ptr(Address(G5_method, 0, in_bytes(methodOopDesc::native_function_offset())), O0);
768 // for static methods insert the mirror argument 769 // for static methods insert the mirror argument
769 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); 770 const int mirror_offset = in_bytes(Klass::java_mirror_offset());
770 771
771 __ ld_ptr(Address(G5_method, 0, in_bytes(methodOopDesc:: constants_offset())), O1); 772 __ ld_ptr(Address(G5_method, 0, in_bytes(methodOopDesc:: const_offset())), O1);
773 __ ld_ptr(Address(O1, 0, in_bytes(constMethodOopDesc::constants_offset())), O1);
772 __ ld_ptr(Address(O1, 0, constantPoolOopDesc::pool_holder_offset_in_bytes()), O1); 774 __ ld_ptr(Address(O1, 0, constantPoolOopDesc::pool_holder_offset_in_bytes()), O1);
773 __ ld_ptr(O1, mirror_offset, O1); 775 __ ld_ptr(O1, mirror_offset, O1);
774 // where the mirror handle body is allocated: 776 // where the mirror handle body is allocated:
775 #ifdef ASSERT 777 #ifdef ASSERT
776 if (!PrintSignatureHandlers) // do not dirty the output with this 778 if (!PrintSignatureHandlers) // do not dirty the output with this
1045 // a new interpretState object and the method expression stack. 1047 // a new interpretState object and the method expression stack.
1046 1048
1047 assert_different_registers(state, prev_state); 1049 assert_different_registers(state, prev_state);
1048 assert_different_registers(prev_state, G3_scratch); 1050 assert_different_registers(prev_state, G3_scratch);
1049 const Register Gtmp = G3_scratch; 1051 const Register Gtmp = G3_scratch;
1050 const Address constants (G5_method, 0, in_bytes(methodOopDesc::constants_offset())); 1052 const Address constMethod (G5_method, 0, in_bytes(methodOopDesc::const_offset()));
1051 const Address access_flags (G5_method, 0, in_bytes(methodOopDesc::access_flags_offset())); 1053 const Address access_flags (G5_method, 0, in_bytes(methodOopDesc::access_flags_offset()));
1052 const Address size_of_parameters(G5_method, 0, in_bytes(methodOopDesc::size_of_parameters_offset())); 1054 const Address size_of_parameters(G5_method, 0, in_bytes(methodOopDesc::size_of_parameters_offset()));
1053 const Address max_stack (G5_method, 0, in_bytes(methodOopDesc::max_stack_offset())); 1055 const Address max_stack (G5_method, 0, in_bytes(methodOopDesc::max_stack_offset()));
1054 const Address size_of_locals (G5_method, 0, in_bytes(methodOopDesc::size_of_locals_offset())); 1056 const Address size_of_locals (G5_method, 0, in_bytes(methodOopDesc::size_of_locals_offset()));
1055 1057
1153 __ st_ptr(G5_method, XXX_STATE(_method)); 1155 __ st_ptr(G5_method, XXX_STATE(_method));
1154 1156
1155 __ set((int) BytecodeInterpreter::method_entry, O1); 1157 __ set((int) BytecodeInterpreter::method_entry, O1);
1156 __ st(O1, XXX_STATE(_msg)); 1158 __ st(O1, XXX_STATE(_msg));
1157 1159
1158 __ ld_ptr(constants, O3); 1160 __ ld_ptr(constMethod, O3);
1161 __ ld_ptr(O3, in_bytes(constMethodOopDesc::constants_offset()), O3);
1159 __ ld_ptr(O3, constantPoolOopDesc::cache_offset_in_bytes(), O2); 1162 __ ld_ptr(O3, constantPoolOopDesc::cache_offset_in_bytes(), O2);
1160 __ st_ptr(O2, XXX_STATE(_constants)); 1163 __ st_ptr(O2, XXX_STATE(_constants));
1161 1164
1162 __ st_ptr(G0, XXX_STATE(_result._to_call._callee)); 1165 __ st_ptr(G0, XXX_STATE(_result._to_call._callee));
1163 1166
1176 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); 1179 const int mirror_offset = in_bytes(Klass::java_mirror_offset());
1177 __ delayed()->btst(JVM_ACC_STATIC, O1); 1180 __ delayed()->btst(JVM_ACC_STATIC, O1);
1178 __ ld_ptr(XXX_STATE(_locals), O1); 1181 __ ld_ptr(XXX_STATE(_locals), O1);
1179 __ br( Assembler::zero, true, Assembler::pt, got_obj); 1182 __ br( Assembler::zero, true, Assembler::pt, got_obj);
1180 __ delayed()->ld_ptr(O1, 0, O1); // get receiver for not-static case 1183 __ delayed()->ld_ptr(O1, 0, O1); // get receiver for not-static case
1181 __ ld_ptr(constants, O1); 1184 __ ld_ptr(constMethod, O1);
1185 __ ld_ptr( O1, in_bytes(constMethodOopDesc::constants_offset()), O1);
1182 __ ld_ptr( O1, constantPoolOopDesc::pool_holder_offset_in_bytes(), O1); 1186 __ ld_ptr( O1, constantPoolOopDesc::pool_holder_offset_in_bytes(), O1);
1183 // lock the mirror, not the klassOop 1187 // lock the mirror, not the klassOop
1184 __ ld_ptr( O1, mirror_offset, O1); 1188 __ ld_ptr( O1, mirror_offset, O1);
1185 1189
1186 __ bind(got_obj); 1190 __ bind(got_obj);
1534 1538
1535 // the following temporary registers are used during frame creation 1539 // the following temporary registers are used during frame creation
1536 const Register Gtmp1 = G3_scratch; 1540 const Register Gtmp1 = G3_scratch;
1537 // const Register Lmirror = L1; // native mirror (native calls only) 1541 // const Register Lmirror = L1; // native mirror (native calls only)
1538 1542
1539 const Address constants (G5_method, 0, in_bytes(methodOopDesc::constants_offset())); 1543 const Address constMethod (G5_method, 0, in_bytes(methodOopDesc::const_offset()));
1540 const Address access_flags (G5_method, 0, in_bytes(methodOopDesc::access_flags_offset())); 1544 const Address access_flags (G5_method, 0, in_bytes(methodOopDesc::access_flags_offset()));
1541 const Address size_of_parameters(G5_method, 0, in_bytes(methodOopDesc::size_of_parameters_offset())); 1545 const Address size_of_parameters(G5_method, 0, in_bytes(methodOopDesc::size_of_parameters_offset()));
1542 const Address max_stack (G5_method, 0, in_bytes(methodOopDesc::max_stack_offset())); 1546 const Address max_stack (G5_method, 0, in_bytes(methodOopDesc::max_stack_offset()));
1543 const Address size_of_locals (G5_method, 0, in_bytes(methodOopDesc::size_of_locals_offset())); 1547 const Address size_of_locals (G5_method, 0, in_bytes(methodOopDesc::size_of_locals_offset()));
1544 1548