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comparison src/cpu/ppc/vm/cppInterpreter_ppc.cpp @ 17917:63c5920a038d

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8042309: Some bugfixes for the ppc64 port. Reviewed-by: kvn
author goetz
date Fri, 02 May 2014 14:53:06 +0200
parents fd1b9f02cc91
children 0bf37f737702
comparison
equal deleted inserted replaced
17916:34862ced4a87 17917:63c5920a038d
1
1 /* 2 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved. 4 * Copyright 2012, 2013 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 * 6 *
401 const Register page_size = R28_tmp8; 402 const Register page_size = R28_tmp8;
402 403
403 BLOCK_COMMENT("compute_interpreter_state {"); 404 BLOCK_COMMENT("compute_interpreter_state {");
404 405
405 // access_flags = method->access_flags(); 406 // access_flags = method->access_flags();
406 // TODO: PPC port: assert(4 == methodOopDesc::sz_access_flags(), "unexpected field size"); 407 // TODO: PPC port: assert(4 == sizeof(AccessFlags), "unexpected field size");
407 __ lwa(access_flags, method_(access_flags)); 408 __ lwa(access_flags, method_(access_flags));
408 409
409 // parameter_count = method->constMethod->size_of_parameters(); 410 // parameter_count = method->constMethod->size_of_parameters();
410 // TODO: PPC port: assert(2 == ConstMethod::sz_size_of_parameters(), "unexpected field size"); 411 // TODO: PPC port: assert(2 == ConstMethod::sz_size_of_parameters(), "unexpected field size");
411 __ ld(max_stack, in_bytes(Method::const_offset()), R19_method); // Max_stack holds constMethod for a while. 412 __ ld(max_stack, in_bytes(Method::const_offset()), R19_method); // Max_stack holds constMethod for a while.
1053 // access_flags = method->access_flags(); 1054 // access_flags = method->access_flags();
1054 // Load access flags. 1055 // Load access flags.
1055 assert(access_flags->is_nonvolatile(), 1056 assert(access_flags->is_nonvolatile(),
1056 "access_flags must be in a non-volatile register"); 1057 "access_flags must be in a non-volatile register");
1057 // Type check. 1058 // Type check.
1058 // TODO: PPC port: assert(4 == methodOopDesc::sz_access_flags(), "unexpected field size"); 1059 // TODO: PPC port: assert(4 == sizeof(AccessFlags), "unexpected field size");
1059 __ lwz(access_flags, method_(access_flags)); 1060 __ lwz(access_flags, method_(access_flags));
1060 1061
1061 // We don't want to reload R19_method and access_flags after calls 1062 // We don't want to reload R19_method and access_flags after calls
1062 // to some helper functions. 1063 // to some helper functions.
1063 assert(R19_method->is_nonvolatile(), "R19_method must be a non-volatile register"); 1064 assert(R19_method->is_nonvolatile(), "R19_method must be a non-volatile register");
1836 const Register pending_exception = R21_tmp1; 1837 const Register pending_exception = R21_tmp1;
1837 1838
1838 // Interpreter state fields. 1839 // Interpreter state fields.
1839 const Register msg = R24_tmp4; 1840 const Register msg = R24_tmp4;
1840 1841
1841 // MethodOop fields. 1842 // Method fields.
1842 const Register parameter_count = R25_tmp5; 1843 const Register parameter_count = R25_tmp5;
1843 const Register result_index = R26_tmp6; 1844 const Register result_index = R26_tmp6;
1844 1845
1845 const Register dummy = R28_tmp8; 1846 const Register dummy = R28_tmp8;
1846 1847
2021 __ lhz(parameter_count, in_bytes(ConstMethod::size_of_parameters_offset()), parameter_count); 2022 __ lhz(parameter_count, in_bytes(ConstMethod::size_of_parameters_offset()), parameter_count);
2022 __ sldi(parameter_count, parameter_count, Interpreter::logStackElementSize); 2023 __ sldi(parameter_count, parameter_count, Interpreter::logStackElementSize);
2023 __ add(R17_tos, R17_tos, parameter_count); 2024 __ add(R17_tos, R17_tos, parameter_count);
2024 2025
2025 // Result stub address array index 2026 // Result stub address array index
2026 // TODO: PPC port: assert(4 == methodOopDesc::sz_result_index(), "unexpected field size"); 2027 // TODO: PPC port: assert(4 == sizeof(AccessFlags), "unexpected field size");
2027 __ lwa(result_index, method_(result_index)); 2028 __ lwa(result_index, method_(result_index));
2028 2029
2029 __ li(msg, BytecodeInterpreter::method_resume); 2030 __ li(msg, BytecodeInterpreter::method_resume);
2030 2031
2031 // 2032 //
2707 2708
2708 // Load address of temporary osr buffer to arg1. 2709 // Load address of temporary osr buffer to arg1.
2709 __ ld(R3_ARG1, state_(_result._osr._osr_buf)); 2710 __ ld(R3_ARG1, state_(_result._osr._osr_buf));
2710 __ mtctr(R12_scratch2); 2711 __ mtctr(R12_scratch2);
2711 2712
2712 // Load method oop, gc may move it during execution of osr'd method. 2713 // Load method, gc may move it during execution of osr'd method.
2713 __ ld(R22_tmp2, state_(_method)); 2714 __ ld(R22_tmp2, state_(_method));
2714 // Load message 'call_method'. 2715 // Load message 'call_method'.
2715 __ li(R23_tmp3, BytecodeInterpreter::call_method); 2716 __ li(R23_tmp3, BytecodeInterpreter::call_method);
2716 2717
2717 { 2718 {