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comparison src/cpu/x86/vm/vtableStubs_x86_64.cpp @ 6266:1d7922586cf6

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7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
author twisti
date Tue, 24 Jul 2012 10:51:00 -0700
parents f95d63e2154a
children da91efe96a93
comparison
equal deleted inserted replaced
6241:aba91a731143 6266:1d7922586cf6
67 67
68 // get receiver klass 68 // get receiver klass
69 address npe_addr = __ pc(); 69 address npe_addr = __ pc();
70 __ load_klass(rax, j_rarg0); 70 __ load_klass(rax, j_rarg0);
71 71
72 // compute entry offset (in words)
73 int entry_offset =
74 instanceKlass::vtable_start_offset() + vtable_index * vtableEntry::size();
75
76 #ifndef PRODUCT 72 #ifndef PRODUCT
77 if (DebugVtables) { 73 if (DebugVtables) {
78 Label L; 74 Label L;
79 // check offset vs vtable length 75 // check offset vs vtable length
80 __ cmpl(Address(rax, instanceKlass::vtable_length_offset() * wordSize), 76 __ cmpl(Address(rax, instanceKlass::vtable_length_offset() * wordSize),
88 #endif // PRODUCT 84 #endif // PRODUCT
89 85
90 // load methodOop and target address 86 // load methodOop and target address
91 const Register method = rbx; 87 const Register method = rbx;
92 88
93 __ movptr(method, Address(rax, 89 __ lookup_virtual_method(rax, vtable_index, method);
94 entry_offset * wordSize + 90
95 vtableEntry::method_offset_in_bytes()));
96 if (DebugVtables) { 91 if (DebugVtables) {
97 Label L; 92 Label L;
98 __ cmpptr(method, (int32_t)NULL_WORD); 93 __ cmpptr(method, (int32_t)NULL_WORD);
99 __ jcc(Assembler::equal, L); 94 __ jcc(Assembler::equal, L);
100 __ cmpptr(Address(method, methodOopDesc::from_compiled_offset()), (int32_t)NULL_WORD); 95 __ cmpptr(Address(method, methodOopDesc::from_compiled_offset()), (int32_t)NULL_WORD);