truffle: src/cpu/ppc/vm/interpreter

annotate src/cpu/ppc/vm/interpreter_ppc.cpp @ 14726:92aa6797d639

Backed out merge changeset: b51e29501f30 Backed out merge revision to its first parent (8f483e200405)

author	Doug Simon <doug.simon@oracle.com>
date	Mon, 24 Mar 2014 21:30:43 +0100
parents	58cf34613a72
children

rev	line source
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	1 /*
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	3 * Copyright 2012, 2013 SAP AG. All rights reserved.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	5 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	6 * This code is free software; you can redistribute it and/or modify it
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	7 * under the terms of the GNU General Public License version 2 only, as
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	8 * published by the Free Software Foundation.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	9 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	10 * This code is distributed in the hope that it will be useful, but WITHOUT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	13 * version 2 for more details (a copy is included in the LICENSE file that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	14 * accompanied this code).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	15 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	16 * You should have received a copy of the GNU General Public License version
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	17 * 2 along with this work; if not, write to the Free Software Foundation,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	19 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	21 * or visit www.oracle.com if you need additional information or have any
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	22 * questions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	23 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	24 */
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	26 #include "precompiled.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	27 #include "asm/assembler.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	28 #include "asm/macroAssembler.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	29 #include "interpreter/bytecodeHistogram.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	30 #include "interpreter/interpreter.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	31 #include "interpreter/interpreterGenerator.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	32 #include "interpreter/interpreterRuntime.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	33 #include "interpreter/templateTable.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	34 #include "oops/arrayOop.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	35 #include "oops/methodData.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	36 #include "oops/method.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	37 #include "oops/oop.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	38 #include "prims/jvmtiExport.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	39 #include "prims/jvmtiThreadState.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	40 #include "prims/methodHandles.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	41 #include "runtime/arguments.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	42 #include "runtime/deoptimization.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	43 #include "runtime/frame.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	44 #include "runtime/sharedRuntime.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	45 #include "runtime/stubRoutines.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	46 #include "runtime/synchronizer.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	47 #include "runtime/timer.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	48 #include "runtime/vframeArray.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	49 #include "utilities/debug.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	50 #ifdef COMPILER1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	51 #include "c1/c1_Runtime1.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	52 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	53
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	54 #ifndef CC_INTERP
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	55 #error "CC_INTERP must be defined on PPC"
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	56 #endif
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	57
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	58 #define __ _masm->
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	59
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	60 #ifdef PRODUCT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	61 #define BLOCK_COMMENT(str) // nothing
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	62 #else
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	63 #define BLOCK_COMMENT(str) __ block_comment(str)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	64 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	65
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	66 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":")
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	67
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	68 int AbstractInterpreter::BasicType_as_index(BasicType type) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	69 int i = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	70 switch (type) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	71 case T_BOOLEAN: i = 0; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	72 case T_CHAR : i = 1; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	73 case T_BYTE : i = 2; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	74 case T_SHORT : i = 3; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	75 case T_INT : i = 4; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	76 case T_LONG : i = 5; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	77 case T_VOID : i = 6; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	78 case T_FLOAT : i = 7; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	79 case T_DOUBLE : i = 8; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	80 case T_OBJECT : i = 9; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	81 case T_ARRAY : i = 9; break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	82 default : ShouldNotReachHere();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	83 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	84 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, "index out of bounds");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	85 return i;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	86 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	87
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	88 address AbstractInterpreterGenerator::generate_slow_signature_handler() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	89 // Slow_signature handler that respects the PPC C calling conventions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	90 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	91 // We get called by the native entry code with our output register
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	92 // area == 8. First we call InterpreterRuntime::get_result_handler
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	93 // to copy the pointer to the signature string temporarily to the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	94 // first C-argument and to return the result_handler in
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	95 // R3_RET. Since native_entry will copy the jni-pointer to the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	96 // first C-argument slot later on, it is OK to occupy this slot
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	97 // temporarilly. Then we copy the argument list on the java
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	98 // expression stack into native varargs format on the native stack
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	99 // and load arguments into argument registers. Integer arguments in
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	100 // the varargs vector will be sign-extended to 8 bytes.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	101 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	102 // On entry:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	103 // R3_ARG1 - intptr_t* Address of java argument list in memory.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	104 // R15_prev_state - BytecodeInterpreter* Address of interpreter state for
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	105 // this method
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	106 // R19_method
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	107 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	108 // On exit (just before return instruction):
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	109 // R3_RET - contains the address of the result_handler.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	110 // R4_ARG2 - is not updated for static methods and contains "this" otherwise.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	111 // R5_ARG3-R10_ARG8: - When the (i-2)th Java argument is not of type float or double,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	112 // ARGi contains this argument. Otherwise, ARGi is not updated.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	113 // F1_ARG1-F13_ARG13 - contain the first 13 arguments of type float or double.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	114
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	115 const int LogSizeOfTwoInstructions = 3;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	116
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	117 // FIXME: use Argument:: GL: Argument names different numbers!
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	118 const int max_fp_register_arguments = 13;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	119 const int max_int_register_arguments = 6; // first 2 are reserved
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	120
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	121 const Register arg_java = R21_tmp1;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	122 const Register arg_c = R22_tmp2;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	123 const Register signature = R23_tmp3; // is string
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	124 const Register sig_byte = R24_tmp4;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	125 const Register fpcnt = R25_tmp5;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	126 const Register argcnt = R26_tmp6;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	127 const Register intSlot = R27_tmp7;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	128 const Register target_sp = R28_tmp8;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	129 const FloatRegister floatSlot = F0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	130
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	131 address entry = __ emit_fd();
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	132
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	133 __ save_LR_CR(R0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	134 __ save_nonvolatile_gprs(R1_SP, _spill_nonvolatiles_neg(r14));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	135 // We use target_sp for storing arguments in the C frame.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	136 __ mr(target_sp, R1_SP);
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	137 __ push_frame_abi112_nonvolatiles(0, R11_scratch1);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	138
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	139 __ mr(arg_java, R3_ARG1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	140
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	141 __ call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::get_signature), R16_thread, R19_method);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	142
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	143 // Signature is in R3_RET. Signature is callee saved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	144 __ mr(signature, R3_RET);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	145
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	146 // Reload method, it may have moved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	147 #ifdef CC_INTERP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	148 __ ld(R19_method, state_(_method));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	149 #else
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	150 __ unimplemented("slow signature handler 1");
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	151 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	152
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	153 // Get the result handler.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	154 __ call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::get_result_handler), R16_thread, R19_method);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	155
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	156 // Reload method, it may have moved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	157 #ifdef CC_INTERP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	158 __ ld(R19_method, state_(_method));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	159 #else
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	160 __ unimplemented("slow signature handler 2");
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	161 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	162
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	163 {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	164 Label L;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	165 // test if static
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	166 // _access_flags._flags must be at offset 0.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	167 // TODO PPC port: requires change in shared code.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	168 //assert(in_bytes(AccessFlags::flags_offset()) == 0,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	169 // "MethodOopDesc._access_flags == MethodOopDesc._access_flags._flags");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	170 // _access_flags must be a 32 bit value.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	171 assert(sizeof(AccessFlags) == 4, "wrong size");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	172 __ lwa(R11_scratch1/access_flags/, method_(access_flags));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	173 // testbit with condition register.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	174 __ testbitdi(CCR0, R0, R11_scratch1/access_flags/, JVM_ACC_STATIC_BIT);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	175 __ btrue(CCR0, L);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	176 // For non-static functions, pass "this" in R4_ARG2 and copy it
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	177 // to 2nd C-arg slot.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	178 // We need to box the Java object here, so we use arg_java
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	179 // (address of current Java stack slot) as argument and don't
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	180 // dereference it as in case of ints, floats, etc.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	181 __ mr(R4_ARG2, arg_java);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	182 __ addi(arg_java, arg_java, -BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	183 __ std(R4_ARG2, _abi(carg_2), target_sp);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	184 __ bind(L);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	185 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	186
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	187 // Will be incremented directly after loop_start. argcnt=0
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	188 // corresponds to 3rd C argument.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	189 __ li(argcnt, -1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	190 // arg_c points to 3rd C argument
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	191 __ addi(arg_c, target_sp, _abi(carg_3));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	192 // no floating-point args parsed so far
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	193 __ li(fpcnt, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	194
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	195 Label move_intSlot_to_ARG, move_floatSlot_to_FARG;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	196 Label loop_start, loop_end;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	197 Label do_int, do_long, do_float, do_double, do_dontreachhere, do_object, do_array, do_boxed;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	198
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	199 // signature points to '(' at entry
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	200 #ifdef ASSERT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	201 __ lbz(sig_byte, 0, signature);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	202 __ cmplwi(CCR0, sig_byte, '(');
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	203 __ bne(CCR0, do_dontreachhere);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	204 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	205
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	206 __ bind(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	207
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	208 __ addi(argcnt, argcnt, 1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	209 __ lbzu(sig_byte, 1, signature);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	210
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	211 __ cmplwi(CCR0, sig_byte, ')'); // end of signature
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	212 __ beq(CCR0, loop_end);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	213
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	214 __ cmplwi(CCR0, sig_byte, 'B'); // byte
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	215 __ beq(CCR0, do_int);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	216
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	217 __ cmplwi(CCR0, sig_byte, 'C'); // char
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	218 __ beq(CCR0, do_int);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	219
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	220 __ cmplwi(CCR0, sig_byte, 'D'); // double
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	221 __ beq(CCR0, do_double);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	222
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	223 __ cmplwi(CCR0, sig_byte, 'F'); // float
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	224 __ beq(CCR0, do_float);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	225
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	226 __ cmplwi(CCR0, sig_byte, 'I'); // int
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	227 __ beq(CCR0, do_int);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	228
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	229 __ cmplwi(CCR0, sig_byte, 'J'); // long
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	230 __ beq(CCR0, do_long);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	231
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	232 __ cmplwi(CCR0, sig_byte, 'S'); // short
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	233 __ beq(CCR0, do_int);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	234
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	235 __ cmplwi(CCR0, sig_byte, 'Z'); // boolean
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	236 __ beq(CCR0, do_int);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	237
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	238 __ cmplwi(CCR0, sig_byte, 'L'); // object
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	239 __ beq(CCR0, do_object);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	240
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	241 __ cmplwi(CCR0, sig_byte, '['); // array
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	242 __ beq(CCR0, do_array);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	243
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	244 // __ cmplwi(CCR0, sig_byte, 'V'); // void cannot appear since we do not parse the return type
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	245 // __ beq(CCR0, do_void);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	246
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	247 __ bind(do_dontreachhere);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	248
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	249 __ unimplemented("ShouldNotReachHere in slow_signature_handler", 120);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	250
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	251 __ bind(do_array);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	252
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	253 {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	254 Label start_skip, end_skip;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	255
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	256 __ bind(start_skip);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	257 __ lbzu(sig_byte, 1, signature);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	258 __ cmplwi(CCR0, sig_byte, '[');
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	259 __ beq(CCR0, start_skip); // skip further brackets
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	260 __ cmplwi(CCR0, sig_byte, '9');
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	261 __ bgt(CCR0, end_skip); // no optional size
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	262 __ cmplwi(CCR0, sig_byte, '0');
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	263 __ bge(CCR0, start_skip); // skip optional size
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	264 __ bind(end_skip);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	265
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	266 __ cmplwi(CCR0, sig_byte, 'L');
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	267 __ beq(CCR0, do_object); // for arrays of objects, the name of the object must be skipped
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	268 __ b(do_boxed); // otherwise, go directly to do_boxed
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	269 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	270
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	271 __ bind(do_object);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	272 {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	273 Label L;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	274 __ bind(L);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	275 __ lbzu(sig_byte, 1, signature);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	276 __ cmplwi(CCR0, sig_byte, ';');
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	277 __ bne(CCR0, L);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	278 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	279 // Need to box the Java object here, so we use arg_java (address of
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	280 // current Java stack slot) as argument and don't dereference it as
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	281 // in case of ints, floats, etc.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	282 Label do_null;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	283 __ bind(do_boxed);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	284 __ ld(R0,0, arg_java);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	285 __ cmpdi(CCR0, R0, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	286 __ li(intSlot,0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	287 __ beq(CCR0, do_null);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	288 __ mr(intSlot, arg_java);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	289 __ bind(do_null);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	290 __ std(intSlot, 0, arg_c);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	291 __ addi(arg_java, arg_java, -BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	292 __ addi(arg_c, arg_c, BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	293 __ cmplwi(CCR0, argcnt, max_int_register_arguments);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	294 __ blt(CCR0, move_intSlot_to_ARG);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	295 __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	296
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	297 __ bind(do_int);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	298 __ lwa(intSlot, 0, arg_java);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	299 __ std(intSlot, 0, arg_c);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	300 __ addi(arg_java, arg_java, -BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	301 __ addi(arg_c, arg_c, BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	302 __ cmplwi(CCR0, argcnt, max_int_register_arguments);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	303 __ blt(CCR0, move_intSlot_to_ARG);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	304 __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	305
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	306 __ bind(do_long);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	307 __ ld(intSlot, -BytesPerWord, arg_java);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	308 __ std(intSlot, 0, arg_c);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	309 __ addi(arg_java, arg_java, - 2 * BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	310 __ addi(arg_c, arg_c, BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	311 __ cmplwi(CCR0, argcnt, max_int_register_arguments);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	312 __ blt(CCR0, move_intSlot_to_ARG);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	313 __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	314
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	315 __ bind(do_float);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	316 __ lfs(floatSlot, 0, arg_java);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	317 #if defined(LINUX)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	318 __ stfs(floatSlot, 4, arg_c);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	319 #elif defined(AIX)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	320 __ stfs(floatSlot, 0, arg_c);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	321 #else
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	322 #error "unknown OS"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	323 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	324 __ addi(arg_java, arg_java, -BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	325 __ addi(arg_c, arg_c, BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	326 __ cmplwi(CCR0, fpcnt, max_fp_register_arguments);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	327 __ blt(CCR0, move_floatSlot_to_FARG);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	328 __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	329
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	330 __ bind(do_double);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	331 __ lfd(floatSlot, - BytesPerWord, arg_java);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	332 __ stfd(floatSlot, 0, arg_c);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	333 __ addi(arg_java, arg_java, - 2 * BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	334 __ addi(arg_c, arg_c, BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	335 __ cmplwi(CCR0, fpcnt, max_fp_register_arguments);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	336 __ blt(CCR0, move_floatSlot_to_FARG);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	337 __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	338
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	339 __ bind(loop_end);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	340
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	341 __ pop_frame();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	342 __ restore_nonvolatile_gprs(R1_SP, _spill_nonvolatiles_neg(r14));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	343 __ restore_LR_CR(R0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	344
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	345 __ blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	346
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	347 Label move_int_arg, move_float_arg;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	348 __ bind(move_int_arg); // each case must consist of 2 instructions (otherwise adapt LogSizeOfTwoInstructions)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	349 __ mr(R5_ARG3, intSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	350 __ mr(R6_ARG4, intSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	351 __ mr(R7_ARG5, intSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	352 __ mr(R8_ARG6, intSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	353 __ mr(R9_ARG7, intSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	354 __ mr(R10_ARG8, intSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	355
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	356 __ bind(move_float_arg); // each case must consist of 2 instructions (otherwise adapt LogSizeOfTwoInstructions)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	357 __ fmr(F1_ARG1, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	358 __ fmr(F2_ARG2, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	359 __ fmr(F3_ARG3, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	360 __ fmr(F4_ARG4, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	361 __ fmr(F5_ARG5, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	362 __ fmr(F6_ARG6, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	363 __ fmr(F7_ARG7, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	364 __ fmr(F8_ARG8, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	365 __ fmr(F9_ARG9, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	366 __ fmr(F10_ARG10, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	367 __ fmr(F11_ARG11, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	368 __ fmr(F12_ARG12, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	369 __ fmr(F13_ARG13, floatSlot); __ b(loop_start);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	370
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	371 __ bind(move_intSlot_to_ARG);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	372 __ sldi(R0, argcnt, LogSizeOfTwoInstructions);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	373 __ load_const(R11_scratch1, move_int_arg); // Label must be bound here.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	374 __ add(R11_scratch1, R0, R11_scratch1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	375 __ mtctr(R11_scratch1/branch_target/);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	376 __ bctr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	377 __ bind(move_floatSlot_to_FARG);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	378 __ sldi(R0, fpcnt, LogSizeOfTwoInstructions);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	379 __ addi(fpcnt, fpcnt, 1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	380 __ load_const(R11_scratch1, move_float_arg); // Label must be bound here.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	381 __ add(R11_scratch1, R0, R11_scratch1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	382 __ mtctr(R11_scratch1/branch_target/);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	383 __ bctr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	384
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	385 return entry;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	386 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	387
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	388 address AbstractInterpreterGenerator::generate_result_handler_for(BasicType type) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	389 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	390 // Registers alive
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	391 // R3_RET
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	392 // LR
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	393 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	394 // Registers updated
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	395 // R3_RET
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	396 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	397
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	398 Label done;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	399 address entry = __ pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	400
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	401 switch (type) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	402 case T_BOOLEAN:
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	403 // convert !=0 to 1
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	404 __ neg(R0, R3_RET);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	405 __ orr(R0, R3_RET, R0);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	406 __ srwi(R3_RET, R0, 31);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	407 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	408 case T_BYTE:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	409 // sign extend 8 bits
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	410 __ extsb(R3_RET, R3_RET);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	411 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	412 case T_CHAR:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	413 // zero extend 16 bits
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	414 __ clrldi(R3_RET, R3_RET, 48);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	415 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	416 case T_SHORT:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	417 // sign extend 16 bits
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	418 __ extsh(R3_RET, R3_RET);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	419 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	420 case T_INT:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	421 // sign extend 32 bits
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	422 __ extsw(R3_RET, R3_RET);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	423 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	424 case T_LONG:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	425 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	426 case T_OBJECT:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	427 // unbox result if not null
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	428 __ cmpdi(CCR0, R3_RET, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	429 __ beq(CCR0, done);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	430 __ ld(R3_RET, 0, R3_RET);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	431 __ verify_oop(R3_RET);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	432 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	433 case T_FLOAT:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	434 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	435 case T_DOUBLE:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	436 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	437 case T_VOID:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	438 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	439 default: ShouldNotReachHere();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	440 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	441
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	442 __ BIND(done);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	443 __ blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	444
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	445 return entry;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	446 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	447
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	448 // Abstract method entry.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	449 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	450 address InterpreterGenerator::generate_abstract_entry(void) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	451 address entry = __ pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	452
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	453 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	454 // Registers alive
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	455 // R16_thread - JavaThread*
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	456 // R19_method - callee's methodOop (method to be invoked)
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	457 // R1_SP - SP prepared such that caller's outgoing args are near top
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	458 // LR - return address to caller
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	459 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	460 // Stack layout at this point:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	461 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	462 // 0 [TOP_IJAVA_FRAME_ABI] <-- R1_SP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	463 // alignment (optional)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	464 // [outgoing Java arguments]
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	465 // ...
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	466 // PARENT [PARENT_IJAVA_FRAME_ABI]
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	467 // ...
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	468 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	469
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	470 // Can't use call_VM here because we have not set up a new
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	471 // interpreter state. Make the call to the vm and make it look like
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	472 // our caller set up the JavaFrameAnchor.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	473 __ set_top_ijava_frame_at_SP_as_last_Java_frame(R1_SP, R12_scratch2/tmp/);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	474
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	475 // Push a new C frame and save LR.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	476 __ save_LR_CR(R0);
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	477 __ push_frame_abi112(0, R11_scratch1);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	478
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	479 // This is not a leaf but we have a JavaFrameAnchor now and we will
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	480 // check (create) exceptions afterward so this is ok.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	481 __ call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	482
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	483 // Pop the C frame and restore LR.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	484 __ pop_frame();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	485 __ restore_LR_CR(R0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	486
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	487 // Reset JavaFrameAnchor from call_VM_leaf above.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	488 __ reset_last_Java_frame();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	489
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	490 #ifdef CC_INTERP
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	491 // Return to frame manager, it will handle the pending exception.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	492 __ blr();
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	493 #else
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	494 Unimplemented();
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	495 #endif
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	496
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	497 return entry;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	498 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	499
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	500 // Call an accessor method (assuming it is resolved, otherwise drop into
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	501 // vanilla (slow path) entry.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	502 address InterpreterGenerator::generate_accessor_entry(void) {
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	503 if(!UseFastAccessorMethods && (!FLAG_IS_ERGO(UseFastAccessorMethods)))
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	504 return NULL;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	505
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	506 Label Lslow_path, Lacquire;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	507
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	508 const Register
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	509 Rclass_or_obj = R3_ARG1,
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	510 Rconst_method = R4_ARG2,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	511 Rcodes = Rconst_method,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	512 Rcpool_cache = R5_ARG3,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	513 Rscratch = R11_scratch1,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	514 Rjvmti_mode = Rscratch,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	515 Roffset = R12_scratch2,
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	516 Rflags = R6_ARG4,
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	517 Rbtable = R7_ARG5;
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	518
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	519 static address branch_table[number_of_states];
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	520
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	521 address entry = __ pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	522
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	523 // Check for safepoint:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	524 // Ditch this, real man don't need safepoint checks.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	525
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	526 // Also check for JVMTI mode
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	527 // Check for null obj, take slow path if so.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	528 __ ld(Rclass_or_obj, Interpreter::stackElementSize, CC_INTERP_ONLY(R17_tos) NOT_CC_INTERP(R15_esp));
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	529 __ lwz(Rjvmti_mode, thread_(interp_only_mode));
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	530 __ cmpdi(CCR1, Rclass_or_obj, 0);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	531 __ cmpwi(CCR0, Rjvmti_mode, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	532 __ crorc(/CCR0 eq/2, /CCR1 eq/4+2, /CCR0 eq/2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	533 __ beq(CCR0, Lslow_path); // this==null or jvmti_mode!=0
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	534
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	535 // Do 2 things in parallel:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	536 // 1. Load the index out of the first instruction word, which looks like this:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	537 // <0x2a><0xb4><index (2 byte, native endianess)>.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	538 // 2. Load constant pool cache base.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	539 __ ld(Rconst_method, in_bytes(Method::const_offset()), R19_method);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	540 __ ld(Rcpool_cache, in_bytes(ConstMethod::constants_offset()), Rconst_method);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	541
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	542 __ lhz(Rcodes, in_bytes(ConstMethod::codes_offset()) + 2, Rconst_method); // Lower half of 32 bit field.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	543 __ ld(Rcpool_cache, ConstantPool::cache_offset_in_bytes(), Rcpool_cache);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	544
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	545 // Get the const pool entry by means of <index>.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	546 const int codes_shift = exact_log2(in_words(ConstantPoolCacheEntry::size()) * BytesPerWord);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	547 __ slwi(Rscratch, Rcodes, codes_shift); // (codes&0xFFFF)<<codes_shift
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	548 __ add(Rcpool_cache, Rscratch, Rcpool_cache);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	549
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	550 // Check if cpool cache entry is resolved.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	551 // We are resolved if the indices offset contains the current bytecode.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	552 ByteSize cp_base_offset = ConstantPoolCache::base_offset();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	553 // Big Endian:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	554 __ lbz(Rscratch, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::indices_offset()) + 7 - 2, Rcpool_cache);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	555 __ cmpwi(CCR0, Rscratch, Bytecodes::_getfield);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	556 __ bne(CCR0, Lslow_path);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	557 __ isync(); // Order succeeding loads wrt. load of _indices field from cpool_cache.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	558
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	559 // Finally, start loading the value: Get cp cache entry into regs.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	560 __ ld(Rflags, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::flags_offset()), Rcpool_cache);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	561 __ ld(Roffset, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::f2_offset()), Rcpool_cache);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	562
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	563 // Following code is from templateTable::getfield_or_static
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	564 // Load pointer to branch table
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	565 __ load_const_optimized(Rbtable, (address)branch_table, Rscratch);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	566
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	567 // Get volatile flag
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	568 __ rldicl(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // extract volatile bit
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	569 // note: sync is needed before volatile load on PPC64
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	570
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	571 // Check field type
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	572 __ rldicl(Rflags, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	573
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	574 #ifdef ASSERT
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	575 Label LFlagInvalid;
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	576 __ cmpldi(CCR0, Rflags, number_of_states);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	577 __ bge(CCR0, LFlagInvalid);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	578
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	579 __ ld(R9_ARG7, 0, R1_SP);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	580 __ ld(R10_ARG8, 0, R21_sender_SP);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	581 __ cmpd(CCR0, R9_ARG7, R10_ARG8);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	582 __ asm_assert_eq("backlink", 0x543);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	583 #endif // ASSERT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	584 __ mr(R1_SP, R21_sender_SP); // Cut the stack back to where the caller started.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	585
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	586 // Load from branch table and dispatch (volatile case: one instruction ahead)
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	587 __ sldi(Rflags, Rflags, LogBytesPerWord);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	588 __ cmpwi(CCR6, Rscratch, 1); // volatile?
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	589 __ sldi(Rscratch, Rscratch, exact_log2(BytesPerInstWord)); // volatile ? size of 1 instruction : 0
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	590 __ ldx(Rbtable, Rbtable, Rflags);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	591
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	592 __ subf(Rbtable, Rscratch, Rbtable); // point to volatile/non-volatile entry point
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	593 __ mtctr(Rbtable);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	594 __ bctr();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	595
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	596 #ifdef ASSERT
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	597 __ bind(LFlagInvalid);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	598 __ stop("got invalid flag", 0x6541);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	599
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	600 bool all_uninitialized = true,
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	601 all_initialized = true;
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	602 for (int i = 0; i<number_of_states; ++i) {
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	603 all_uninitialized = all_uninitialized && (branch_table[i] == NULL);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	604 all_initialized = all_initialized && (branch_table[i] != NULL);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	605 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	606 assert(all_uninitialized != all_initialized, "consistency"); // either or
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	607
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	608 __ sync(); // volatile entry point (one instruction before non-volatile_entry point)
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	609 if (branch_table[vtos] == 0) branch_table[vtos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	610 if (branch_table[dtos] == 0) branch_table[dtos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	611 if (branch_table[ftos] == 0) branch_table[ftos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	612 __ stop("unexpected type", 0x6551);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	613 #endif
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	614
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	615 if (branch_table[itos] == 0) { // generate only once
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	616 __ align(32, 28, 28); // align load
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	617 __ sync(); // volatile entry point (one instruction before non-volatile_entry point)
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	618 branch_table[itos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	619 __ lwax(R3_RET, Rclass_or_obj, Roffset);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	620 __ beq(CCR6, Lacquire);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	621 __ blr();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	622 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	623
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	624 if (branch_table[ltos] == 0) { // generate only once
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	625 __ align(32, 28, 28); // align load
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	626 __ sync(); // volatile entry point (one instruction before non-volatile_entry point)
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	627 branch_table[ltos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	628 __ ldx(R3_RET, Rclass_or_obj, Roffset);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	629 __ beq(CCR6, Lacquire);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	630 __ blr();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	631 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	632
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	633 if (branch_table[btos] == 0) { // generate only once
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	634 __ align(32, 28, 28); // align load
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	635 __ sync(); // volatile entry point (one instruction before non-volatile_entry point)
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	636 branch_table[btos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	637 __ lbzx(R3_RET, Rclass_or_obj, Roffset);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	638 __ extsb(R3_RET, R3_RET);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	639 __ beq(CCR6, Lacquire);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	640 __ blr();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	641 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	642
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	643 if (branch_table[ctos] == 0) { // generate only once
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	644 __ align(32, 28, 28); // align load
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	645 __ sync(); // volatile entry point (one instruction before non-volatile_entry point)
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	646 branch_table[ctos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	647 __ lhzx(R3_RET, Rclass_or_obj, Roffset);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	648 __ beq(CCR6, Lacquire);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	649 __ blr();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	650 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	651
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	652 if (branch_table[stos] == 0) { // generate only once
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	653 __ align(32, 28, 28); // align load
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	654 __ sync(); // volatile entry point (one instruction before non-volatile_entry point)
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	655 branch_table[stos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	656 __ lhax(R3_RET, Rclass_or_obj, Roffset);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	657 __ beq(CCR6, Lacquire);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	658 __ blr();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	659 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	660
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	661 if (branch_table[atos] == 0) { // generate only once
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	662 __ align(32, 28, 28); // align load
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	663 __ sync(); // volatile entry point (one instruction before non-volatile_entry point)
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	664 branch_table[atos] = __ pc(); // non-volatile_entry point
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	665 __ load_heap_oop(R3_RET, (RegisterOrConstant)Roffset, Rclass_or_obj);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	666 __ verify_oop(R3_RET);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	667 //__ dcbt(R3_RET); // prefetch
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	668 __ beq(CCR6, Lacquire);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	669 __ blr();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	670 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	671
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	672 __ align(32, 12);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	673 __ bind(Lacquire);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	674 __ twi_0(R3_RET);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	675 __ isync(); // acquire
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	676 __ blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	677
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	678 #ifdef ASSERT
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	679 for (int i = 0; i<number_of_states; ++i) {
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	680 assert(branch_table[i], "accessor_entry initialization");
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	681 //tty->print_cr("accessor_entry: branch_table[%d] = 0x%llx (opcode 0x%llx)", i, branch_table[i], ((unsigned int)branch_table[i]));
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	682 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	683 #endif
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	684
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	685 __ bind(Lslow_path);
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	686 assert(Interpreter::entry_for_kind(Interpreter::zerolocals), "Normal entry must have been generated by now");
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	687 __ load_const_optimized(Rscratch, Interpreter::entry_for_kind(Interpreter::zerolocals), R0);
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	688 __ mtctr(Rscratch);
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	689 __ bctr();
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	690 __ flush();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	691
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	692 return entry;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	693 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	694
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	695 // Interpreter intrinsic for WeakReference.get().
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	696 // 1. Don't push a full blown frame and go on dispatching, but fetch the value
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	697 // into R8 and return quickly
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	698 // 2. If G1 is active we must execute this intrinsic for corrrectness:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	699 // It contains a GC barrier which puts the reference into the satb buffer
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	700 // to indicate that someone holds a strong reference to the object the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	701 // weak ref points to!
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	702 address InterpreterGenerator::generate_Reference_get_entry(void) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	703 // Code: _aload_0, _getfield, _areturn
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	704 // parameter size = 1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	705 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	706 // The code that gets generated by this routine is split into 2 parts:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	707 // 1. the "intrinsified" code for G1 (or any SATB based GC),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	708 // 2. the slow path - which is an expansion of the regular method entry.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	709 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	710 // Notes:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	711 // * In the G1 code we do not check whether we need to block for
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	712 // a safepoint. If G1 is enabled then we must execute the specialized
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	713 // code for Reference.get (except when the Reference object is null)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	714 // so that we can log the value in the referent field with an SATB
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	715 // update buffer.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	716 // If the code for the getfield template is modified so that the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	717 // G1 pre-barrier code is executed when the current method is
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	718 // Reference.get() then going through the normal method entry
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	719 // will be fine.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	720 // * The G1 code can, however, check the receiver object (the instance
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	721 // of java.lang.Reference) and jump to the slow path if null. If the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	722 // Reference object is null then we obviously cannot fetch the referent
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	723 // and so we don't need to call the G1 pre-barrier. Thus we can use the
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	724 // regular method entry code to generate the NPE.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	725 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	726 // This code is based on generate_accessor_enty.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	727
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	728 address entry = __ pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	729
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	730 const int referent_offset = java_lang_ref_Reference::referent_offset;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	731 guarantee(referent_offset > 0, "referent offset not initialized");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	732
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	733 if (UseG1GC) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	734 Label slow_path;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	735
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	736 // Debugging not possible, so can't use __ skip_if_jvmti_mode(slow_path, GR31_SCRATCH);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	737
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	738 // In the G1 code we don't check if we need to reach a safepoint. We
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	739 // continue and the thread will safepoint at the next bytecode dispatch.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	740
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	741 // If the receiver is null then it is OK to jump to the slow path.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	742 __ ld(R3_RET, Interpreter::stackElementSize, CC_INTERP_ONLY(R17_tos) NOT_CC_INTERP(R15_esp)); // get receiver
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	743
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	744 // Check if receiver == NULL and go the slow path.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	745 __ cmpdi(CCR0, R3_RET, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	746 __ beq(CCR0, slow_path);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	747
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	748 // Load the value of the referent field.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14408 diff changeset	749 __ load_heap_oop(R3_RET, referent_offset, R3_RET);
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	750
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	751 // Generate the G1 pre-barrier code to log the value of
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	752 // the referent field in an SATB buffer. Note with
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	753 // these parameters the pre-barrier does not generate
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	754 // the load of the previous value.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	755
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	756 // Restore caller sp for c2i case.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	757 #ifdef ASSERT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	758 __ ld(R9_ARG7, 0, R1_SP);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	759 __ ld(R10_ARG8, 0, R21_sender_SP);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	760 __ cmpd(CCR0, R9_ARG7, R10_ARG8);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	761 __ asm_assert_eq("backlink", 0x544);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	762 #endif // ASSERT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	763 __ mr(R1_SP, R21_sender_SP); // Cut the stack back to where the caller started.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	764
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	765 __ g1_write_barrier_pre(noreg, // obj
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	766 noreg, // offset
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	767 R3_RET, // pre_val
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	768 R11_scratch1, // tmp
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	769 R12_scratch2, // tmp
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	770 true); // needs_frame
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	771
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	772 __ blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	773
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	774 // Generate regular method entry.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	775 __ bind(slow_path);
14726 92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	776 assert(Interpreter::entry_for_kind(Interpreter::zerolocals), "Normal entry must have been generated by now");
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	777 __ load_const_optimized(R11_scratch1, Interpreter::entry_for_kind(Interpreter::zerolocals), R0);
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	778 __ mtctr(R11_scratch1);
92aa6797d639 Backed out merge changeset: b51e29501f30 Doug Simon <doug.simon@oracle.com> parents: 14694 diff changeset	779 __ bctr();
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	780 __ flush();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	781
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	782 return entry;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	783 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	784 return generate_accessor_entry();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	785 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	786 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	787
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	788 void Deoptimization::unwind_callee_save_values(frame* f, vframeArray* vframe_array) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	789 // This code is sort of the equivalent of C2IAdapter::setup_stack_frame back in
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	790 // the days we had adapter frames. When we deoptimize a situation where a
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	791 // compiled caller calls a compiled caller will have registers it expects
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	792 // to survive the call to the callee. If we deoptimize the callee the only
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	793 // way we can restore these registers is to have the oldest interpreter
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	794 // frame that we create restore these values. That is what this routine
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	795 // will accomplish.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	796
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	797 // At the moment we have modified c2 to not have any callee save registers
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	798 // so this problem does not exist and this routine is just a place holder.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	799
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	800 assert(f->is_interpreted_frame(), "must be interpreted");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	801 }

Mercurial > hg > truffle

annotate src/cpu/ppc/vm/interpreter_ppc.cpp @ 14726:92aa6797d639