Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/templateTable_x86_64.cpp
src/cpu/x86/vm/templateTable_x86_64.cpp
- changeset 8997
- f8a45a60bc6b
- parent 8368
- 32b682649973
- child 9041
- 95a08233f46c
- child 9604
- da2e98c027fd
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replaced
| 8996:2667e5c45e24 | 8997:f8a45a60bc6b |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2003, 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. |
| 3148 } | 3148 } |
| 3149 | 3149 |
| 3150 void TemplateTable::invokeinterface(int byte_no) { | 3150 void TemplateTable::invokeinterface(int byte_no) { |
| 3151 transition(vtos, vtos); | 3151 transition(vtos, vtos); |
| 3152 assert(byte_no == f1_byte, "use this argument"); | 3152 assert(byte_no == f1_byte, "use this argument"); |
| 3153 prepare_invoke(byte_no, rax, rbx, // get f1 Klass*, f2 itable index | 3153 prepare_invoke(byte_no, rax, rbx, // get f1 Klass*, f2 Method* |
| 3154 rcx, rdx); // recv, flags | 3154 rcx, rdx); // recv, flags |
| 3155 | 3155 |
| 3156 // rax: interface klass (from f1) | 3156 // rax: reference klass (from f1) |
| 3157 // rbx: itable index (from f2) | 3157 // rbx: method (from f2) |
| 3158 // rcx: receiver | 3158 // rcx: receiver |
| 3159 // rdx: flags | 3159 // rdx: flags |
| 3160 | 3160 |
| 3161 // Special case of invokeinterface called for virtual method of | 3161 // Special case of invokeinterface called for virtual method of |
| 3162 // java.lang.Object. See cpCacheOop.cpp for details. | 3162 // java.lang.Object. See cpCacheOop.cpp for details. |
| 3173 // Get receiver klass into rdx - also a null check | 3173 // Get receiver klass into rdx - also a null check |
| 3174 __ restore_locals(); // restore r14 | 3174 __ restore_locals(); // restore r14 |
| 3175 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); | 3175 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); |
| 3176 __ load_klass(rdx, rcx); | 3176 __ load_klass(rdx, rcx); |
| 3177 | 3177 |
| 3178 Label no_such_interface, no_such_method; | |
| 3179 | |
| 3180 // Receiver subtype check against REFC. | |
| 3181 // Superklass in rax. Subklass in rdx. Blows rcx, rdi. | |
| 3182 __ lookup_interface_method(// inputs: rec. class, interface, itable index | |
| 3183 rdx, rax, noreg, | |
| 3184 // outputs: scan temp. reg, scan temp. reg | |
| 3185 r13, r14, | |
| 3186 no_such_interface, | |
| 3187 /*return_method=*/false); | |
| 3188 | |
| 3178 // profile this call | 3189 // profile this call |
| 3190 __ restore_bcp(); // rbcp was destroyed by receiver type check | |
| 3179 __ profile_virtual_call(rdx, r13, r14); | 3191 __ profile_virtual_call(rdx, r13, r14); |
| 3180 | 3192 |
| 3181 Label no_such_interface, no_such_method; | 3193 // Get declaring interface class from method, and itable index |
| 3194 __ movptr(rax, Address(rbx, Method::const_offset())); | |
| 3195 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); | |
| 3196 __ movptr(rax, Address(rax, ConstantPool::pool_holder_offset_in_bytes())); | |
| 3197 __ movl(rbx, Address(rbx, Method::itable_index_offset())); | |
| 3198 __ subl(rbx, Method::itable_index_max); | |
| 3199 __ negl(rbx); | |
| 3182 | 3200 |
| 3183 __ lookup_interface_method(// inputs: rec. class, interface, itable index | 3201 __ lookup_interface_method(// inputs: rec. class, interface, itable index |
| 3184 rdx, rax, rbx, | 3202 rdx, rax, rbx, |
| 3185 // outputs: method, scan temp. reg | 3203 // outputs: method, scan temp. reg |
| 3186 rbx, r13, | 3204 rbx, r13, |
