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comparison src/cpu/x86/vm/templateTable_x86_32.cpp @ 3275:bbe95b4337f1

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7036960: TemplateTable::fast_aldc in templateTable_x86_64.cpp uses movptr instead of load_klass Reviewed-by: kvn, iveresov
author twisti
date Mon, 18 Apr 2011 06:50:57 -0700
parents 38fea01eb669
children 08ccee2c4dbf
comparison
equal deleted inserted replaced
3274:2a23b1b5a0a8 3275:bbe95b4337f1
411 __ verify_oop(rax); 411 __ verify_oop(rax);
412 } 412 }
413 413
414 Label L_done, L_throw_exception; 414 Label L_done, L_throw_exception;
415 const Register con_klass_temp = rcx; // same as Rcache 415 const Register con_klass_temp = rcx; // same as Rcache
416 __ movptr(con_klass_temp, Address(rax, oopDesc::klass_offset_in_bytes())); 416 __ load_klass(con_klass_temp, rax);
417 __ cmpptr(con_klass_temp, ExternalAddress((address)Universe::systemObjArrayKlassObj_addr())); 417 __ cmpptr(con_klass_temp, ExternalAddress((address)Universe::systemObjArrayKlassObj_addr()));
418 __ jcc(Assembler::notEqual, L_done); 418 __ jcc(Assembler::notEqual, L_done);
419 __ cmpl(Address(rax, arrayOopDesc::length_offset_in_bytes()), 0); 419 __ cmpl(Address(rax, arrayOopDesc::length_offset_in_bytes()), 0);
420 __ jcc(Assembler::notEqual, L_throw_exception); 420 __ jcc(Assembler::notEqual, L_throw_exception);
421 __ xorptr(rax, rax); 421 __ xorptr(rax, rax);
422 __ jmp(L_done); 422 __ jmp(L_done);
423 423
424 // Load the exception from the system-array which wraps it: 424 // Load the exception from the system-array which wraps it:
425 __ bind(L_throw_exception); 425 __ bind(L_throw_exception);
426 __ movptr(rax, Address(rax, arrayOopDesc::base_offset_in_bytes(T_OBJECT))); 426 __ load_heap_oop(rax, Address(rax, arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
427 __ jump(ExternalAddress(Interpreter::throw_exception_entry())); 427 __ jump(ExternalAddress(Interpreter::throw_exception_entry()));
428 428
429 __ bind(L_done); 429 __ bind(L_done);
430 } 430 }
431 431
935 // do array store check - check for NULL value first 935 // do array store check - check for NULL value first
936 __ testptr(rax, rax); 936 __ testptr(rax, rax);
937 __ jcc(Assembler::zero, is_null); 937 __ jcc(Assembler::zero, is_null);
938 938
939 // Move subklass into EBX 939 // Move subklass into EBX
940 __ movptr(rbx, Address(rax, oopDesc::klass_offset_in_bytes())); 940 __ load_klass(rbx, rax);
941 // Move superklass into EAX 941 // Move superklass into EAX
942 __ movptr(rax, Address(rdx, oopDesc::klass_offset_in_bytes())); 942 __ load_klass(rax, rdx);
943 __ movptr(rax, Address(rax, sizeof(oopDesc) + objArrayKlass::element_klass_offset_in_bytes())); 943 __ movptr(rax, Address(rax, sizeof(oopDesc) + objArrayKlass::element_klass_offset_in_bytes()));
944 // Compress array+index*wordSize+12 into a single register. Frees ECX. 944 // Compress array+index*wordSize+12 into a single register. Frees ECX.
945 __ lea(rdx, element_address); 945 __ lea(rdx, element_address);
946 946
947 // Generate subtype check. Blows ECX. Resets EDI to locals. 947 // Generate subtype check. Blows ECX. Resets EDI to locals.
1990 assert(_desc->calls_vm(), "inconsistent calls_vm information"); // call in remove_activation 1990 assert(_desc->calls_vm(), "inconsistent calls_vm information"); // call in remove_activation
1991 1991
1992 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) { 1992 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) {
1993 assert(state == vtos, "only valid state"); 1993 assert(state == vtos, "only valid state");
1994 __ movptr(rax, aaddress(0)); 1994 __ movptr(rax, aaddress(0));
1995 __ movptr(rdi, Address(rax, oopDesc::klass_offset_in_bytes())); 1995 __ load_klass(rdi, rax);
1996 __ movl(rdi, Address(rdi, Klass::access_flags_offset_in_bytes() + sizeof(oopDesc))); 1996 __ movl(rdi, Address(rdi, Klass::access_flags_offset_in_bytes() + sizeof(oopDesc)));
1997 __ testl(rdi, JVM_ACC_HAS_FINALIZER); 1997 __ testl(rdi, JVM_ACC_HAS_FINALIZER);
1998 Label skip_register_finalizer; 1998 Label skip_register_finalizer;
1999 __ jcc(Assembler::zero, skip_register_finalizer); 1999 __ jcc(Assembler::zero, skip_register_finalizer);
2000 2000
2937 __ bind(notFinal); 2937 __ bind(notFinal);
2938 2938
2939 // get receiver klass 2939 // get receiver klass
2940 __ null_check(recv, oopDesc::klass_offset_in_bytes()); 2940 __ null_check(recv, oopDesc::klass_offset_in_bytes());
2941 // Keep recv in rcx for callee expects it there 2941 // Keep recv in rcx for callee expects it there
2942 __ movptr(rax, Address(recv, oopDesc::klass_offset_in_bytes())); 2942 __ load_klass(rax, recv);
2943 __ verify_oop(rax); 2943 __ verify_oop(rax);
2944 2944
2945 // profile this call 2945 // profile this call
2946 __ profile_virtual_call(rax, rdi, rdx); 2946 __ profile_virtual_call(rax, rdi, rdx);
2947 2947
3017 invokevirtual_helper(rbx, rcx, rdx); 3017 invokevirtual_helper(rbx, rcx, rdx);
3018 __ bind(notMethod); 3018 __ bind(notMethod);
3019 3019
3020 // Get receiver klass into rdx - also a null check 3020 // Get receiver klass into rdx - also a null check
3021 __ restore_locals(); // restore rdi 3021 __ restore_locals(); // restore rdi
3022 __ movptr(rdx, Address(rcx, oopDesc::klass_offset_in_bytes())); 3022 __ load_klass(rdx, rcx);
3023 __ verify_oop(rdx); 3023 __ verify_oop(rdx);
3024 3024
3025 // profile this call 3025 // profile this call
3026 __ profile_virtual_call(rdx, rsi, rdi); 3026 __ profile_virtual_call(rdx, rsi, rdi);
3027 3027
3101 // %%% should make a type profile for any invokedynamic that takes a ref argument 3101 // %%% should make a type profile for any invokedynamic that takes a ref argument
3102 // profile this call 3102 // profile this call
3103 __ profile_call(rsi); 3103 __ profile_call(rsi);
3104 } 3104 }
3105 3105
3106 __ movptr(rcx_method_handle, Address(rax_callsite, __ delayed_value(java_lang_invoke_CallSite::target_offset_in_bytes, rcx))); 3106 __ load_heap_oop(rcx_method_handle, Address(rax_callsite, __ delayed_value(java_lang_invoke_CallSite::target_offset_in_bytes, rcx)));
3107 __ null_check(rcx_method_handle); 3107 __ null_check(rcx_method_handle);
3108 __ prepare_to_jump_from_interpreted(); 3108 __ prepare_to_jump_from_interpreted();
3109 __ jump_to_method_handle_entry(rcx_method_handle, rdx); 3109 __ jump_to_method_handle_entry(rcx_method_handle, rdx);
3110 } 3110 }
3111 3111
3247 } else { 3247 } else {
3248 __ movptr(Address(rax, oopDesc::mark_offset_in_bytes ()), 3248 __ movptr(Address(rax, oopDesc::mark_offset_in_bytes ()),
3249 (int32_t)markOopDesc::prototype()); // header 3249 (int32_t)markOopDesc::prototype()); // header
3250 __ pop(rcx); // get saved klass back in the register. 3250 __ pop(rcx); // get saved klass back in the register.
3251 } 3251 }
3252 __ movptr(Address(rax, oopDesc::klass_offset_in_bytes()), rcx); // klass 3252 __ store_klass(rax, rcx); // klass
3253 3253
3254 { 3254 {
3255 SkipIfEqual skip_if(_masm, &DTraceAllocProbes, 0); 3255 SkipIfEqual skip_if(_masm, &DTraceAllocProbes, 0);
3256 // Trigger dtrace event for fastpath 3256 // Trigger dtrace event for fastpath
3257 __ push(atos); 3257 __ push(atos);
3322 __ bind(quicked); 3322 __ bind(quicked);
3323 __ mov(rdx, rax); // Save object in EDX; EAX needed for subtype check 3323 __ mov(rdx, rax); // Save object in EDX; EAX needed for subtype check
3324 __ movptr(rax, Address(rcx, rbx, Address::times_ptr, sizeof(constantPoolOopDesc))); 3324 __ movptr(rax, Address(rcx, rbx, Address::times_ptr, sizeof(constantPoolOopDesc)));
3325 3325
3326 __ bind(resolved); 3326 __ bind(resolved);
3327 __ movptr(rbx, Address(rdx, oopDesc::klass_offset_in_bytes())); 3327 __ load_klass(rbx, rdx);
3328 3328
3329 // Generate subtype check. Blows ECX. Resets EDI. Object in EDX. 3329 // Generate subtype check. Blows ECX. Resets EDI. Object in EDX.
3330 // Superklass in EAX. Subklass in EBX. 3330 // Superklass in EAX. Subklass in EBX.
3331 __ gen_subtype_check( rbx, ok_is_subtype ); 3331 __ gen_subtype_check( rbx, ok_is_subtype );
3332 3332
3365 __ jcc(Assembler::equal, quicked); 3365 __ jcc(Assembler::equal, quicked);
3366 3366
3367 __ push(atos); 3367 __ push(atos);
3368 call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); 3368 call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) );
3369 __ pop_ptr(rdx); 3369 __ pop_ptr(rdx);
3370 __ movptr(rdx, Address(rdx, oopDesc::klass_offset_in_bytes())); 3370 __ load_klass(rdx, rdx);
3371 __ jmp(resolved); 3371 __ jmp(resolved);
3372 3372
3373 // Get superklass in EAX and subklass in EDX 3373 // Get superklass in EAX and subklass in EDX
3374 __ bind(quicked); 3374 __ bind(quicked);
3375 __ movptr(rdx, Address(rax, oopDesc::klass_offset_in_bytes())); 3375 __ load_klass(rdx, rax);
3376 __ movptr(rax, Address(rcx, rbx, Address::times_ptr, sizeof(constantPoolOopDesc))); 3376 __ movptr(rax, Address(rcx, rbx, Address::times_ptr, sizeof(constantPoolOopDesc)));
3377 3377
3378 __ bind(resolved); 3378 __ bind(resolved);
3379 3379
3380 // Generate subtype check. Blows ECX. Resets EDI. 3380 // Generate subtype check. Blows ECX. Resets EDI.