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comparison src/cpu/x86/vm/templateTable_x86_64.cpp @ 1602:136b78722a08

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6939203: JSR 292 needs method handle constants Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode. Reviewed-by: twisti, never
author jrose
date Wed, 09 Jun 2010 18:50:45 -0700
parents e9ff18c4ace7
children 126ea7725993
comparison
equal deleted inserted replaced
1585:49fac4acd688 1602:136b78722a08
385 if (VerifyOops) { 385 if (VerifyOops) {
386 __ verify_oop(rax); 386 __ verify_oop(rax);
387 } 387 }
388 388
389 __ bind(Done); 389 __ bind(Done);
390 }
391
392 // Fast path for caching oop constants.
393 // %%% We should use this to handle Class and String constants also.
394 // %%% It will simplify the ldc/primitive path considerably.
395 void TemplateTable::fast_aldc(bool wide) {
396 transition(vtos, atos);
397
398 if (!EnableMethodHandles) {
399 // We should not encounter this bytecode if !EnableMethodHandles.
400 // The verifier will stop it. However, if we get past the verifier,
401 // this will stop the thread in a reasonable way, without crashing the JVM.
402 __ call_VM(noreg, CAST_FROM_FN_PTR(address,
403 InterpreterRuntime::throw_IncompatibleClassChangeError));
404 // the call_VM checks for exception, so we should never return here.
405 __ should_not_reach_here();
406 return;
407 }
408
409 const Register cache = rcx;
410 const Register index = rdx;
411
412 resolve_cache_and_index(f1_oop, rax, cache, index, wide ? sizeof(u2) : sizeof(u1));
413 if (VerifyOops) {
414 __ verify_oop(rax);
415 }
390 } 416 }
391 417
392 void TemplateTable::ldc2_w() { 418 void TemplateTable::ldc2_w() {
393 transition(vtos, vtos); 419 transition(vtos, vtos);
394 Label Long, Done; 420 Label Long, Done;
2061 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); 2087 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke);
2062 break; 2088 break;
2063 case Bytecodes::_invokedynamic: 2089 case Bytecodes::_invokedynamic:
2064 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); 2090 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic);
2065 break; 2091 break;
2092 case Bytecodes::_fast_aldc:
2093 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc);
2094 break;
2095 case Bytecodes::_fast_aldc_w:
2096 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc);
2097 break;
2066 default: 2098 default:
2067 ShouldNotReachHere(); 2099 ShouldNotReachHere();
2068 break; 2100 break;
2069 } 2101 }
2070 __ movl(temp, (int) bytecode()); 2102 __ movl(temp, (int) bytecode());