Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/templateTable_x86_32.cpp
src/cpu/x86/vm/templateTable_x86_32.cpp
- changeset 8997
- f8a45a60bc6b
- parent 8368
- 32b682649973
- child 9041
- 95a08233f46c
- child 9604
- da2e98c027fd
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inserted
replaced
| 8996:2667e5c45e24 | 8997:f8a45a60bc6b |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. | 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. | 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. |
| 3097 | 3097 |
| 3098 | 3098 |
| 3099 void TemplateTable::invokeinterface(int byte_no) { | 3099 void TemplateTable::invokeinterface(int byte_no) { |
| 3100 transition(vtos, vtos); | 3100 transition(vtos, vtos); |
| 3101 assert(byte_no == f1_byte, "use this argument"); | 3101 assert(byte_no == f1_byte, "use this argument"); |
| 3102 prepare_invoke(byte_no, rax, rbx, // get f1 Klass*, f2 itable index | 3102 prepare_invoke(byte_no, rax, rbx, // get f1 Klass*, f2 Method* |
| 3103 rcx, rdx); // recv, flags | 3103 rcx, rdx); // recv, flags |
| 3104 | 3104 |
| 3105 // rax: interface klass (from f1) | 3105 // rax: reference klass (from f1) |
| 3106 // rbx: itable index (from f2) | 3106 // rbx: method (from f2) |
| 3107 // rcx: receiver | 3107 // rcx: receiver |
| 3108 // rdx: flags | 3108 // rdx: flags |
| 3109 | 3109 |
| 3110 // Special case of invokeinterface called for virtual method of | 3110 // Special case of invokeinterface called for virtual method of |
| 3111 // java.lang.Object. See cpCacheOop.cpp for details. | 3111 // java.lang.Object. See cpCacheOop.cpp for details. |
| 3122 // Get receiver klass into rdx - also a null check | 3122 // Get receiver klass into rdx - also a null check |
| 3123 __ restore_locals(); // restore rdi | 3123 __ restore_locals(); // restore rdi |
| 3124 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); | 3124 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); |
| 3125 __ load_klass(rdx, rcx); | 3125 __ load_klass(rdx, rcx); |
| 3126 | 3126 |
| 3127 Label no_such_interface, no_such_method; | |
| 3128 | |
| 3129 // Receiver subtype check against REFC. | |
| 3130 // Superklass in rax. Subklass in rdx. Blows rcx, rdi. | |
| 3131 __ lookup_interface_method(// inputs: rec. class, interface, itable index | |
| 3132 rdx, rax, noreg, | |
| 3133 // outputs: scan temp. reg, scan temp. reg | |
| 3134 rsi, rdi, | |
| 3135 no_such_interface, | |
| 3136 /*return_method=*/false); | |
| 3137 | |
| 3138 | |
| 3127 // profile this call | 3139 // profile this call |
| 3140 __ restore_bcp(); // rbcp was destroyed by receiver type check | |
| 3128 __ profile_virtual_call(rdx, rsi, rdi); | 3141 __ profile_virtual_call(rdx, rsi, rdi); |
| 3129 | 3142 |
| 3130 Label no_such_interface, no_such_method; | 3143 // Get declaring interface class from method, and itable index |
| 3144 __ movptr(rax, Address(rbx, Method::const_offset())); | |
| 3145 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); | |
| 3146 __ movptr(rax, Address(rax, ConstantPool::pool_holder_offset_in_bytes())); | |
| 3147 __ movl(rbx, Address(rbx, Method::itable_index_offset())); | |
| 3148 __ subl(rbx, Method::itable_index_max); | |
| 3149 __ negl(rbx); | |
| 3131 | 3150 |
| 3132 __ lookup_interface_method(// inputs: rec. class, interface, itable index | 3151 __ lookup_interface_method(// inputs: rec. class, interface, itable index |
| 3133 rdx, rax, rbx, | 3152 rdx, rax, rbx, |
| 3134 // outputs: method, scan temp. reg | 3153 // outputs: method, scan temp. reg |
| 3135 rbx, rsi, | 3154 rbx, rsi, |
