Mercurial > hg > graal-jvmci-8
annotate src/cpu/sparc/vm/templateTable_sparc.cpp @ 23974:f13e777eb255
Merge with jdk8u111-b14
| author | Tom Rodriguez <tom.rodriguez@oracle.com> |
|---|---|
| date | Wed, 16 Nov 2016 12:32:54 -0800 |
| parents | b5f3a471e646 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 23614 | 2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "interpreter/interpreter.hpp" | |
| 27 #include "interpreter/interpreterRuntime.hpp" | |
| 28 #include "interpreter/templateTable.hpp" | |
| 29 #include "memory/universe.inline.hpp" | |
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30 #include "oops/methodData.hpp" |
| 1972 | 31 #include "oops/objArrayKlass.hpp" |
| 32 #include "oops/oop.inline.hpp" | |
| 33 #include "prims/methodHandles.hpp" | |
| 34 #include "runtime/sharedRuntime.hpp" | |
| 35 #include "runtime/stubRoutines.hpp" | |
| 36 #include "runtime/synchronizer.hpp" | |
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37 #include "utilities/macros.hpp" |
| 0 | 38 |
| 39 #ifndef CC_INTERP | |
| 40 #define __ _masm-> | |
| 41 | |
|
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42 // Misc helpers |
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43 |
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44 // Do an oop store like *(base + index + offset) = val |
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45 // index can be noreg, |
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46 static void do_oop_store(InterpreterMacroAssembler* _masm, |
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47 Register base, |
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48 Register index, |
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49 int offset, |
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50 Register val, |
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51 Register tmp, |
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52 BarrierSet::Name barrier, |
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53 bool precise) { |
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54 assert(tmp != val && tmp != base && tmp != index, "register collision"); |
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55 assert(index == noreg || offset == 0, "only one offset"); |
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56 switch (barrier) { |
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57 #if INCLUDE_ALL_GCS |
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58 case BarrierSet::G1SATBCT: |
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59 case BarrierSet::G1SATBCTLogging: |
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60 { |
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61 // Load and record the previous value. |
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62 __ g1_write_barrier_pre(base, index, offset, |
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63 noreg /* pre_val */, |
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64 tmp, true /*preserve_o_regs*/); |
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65 |
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66 // G1 barrier needs uncompressed oop for region cross check. |
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67 Register new_val = val; |
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68 if (UseCompressedOops && val != G0) { |
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69 new_val = tmp; |
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70 __ mov(val, new_val); |
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71 } |
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72 |
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73 if (index == noreg ) { |
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74 assert(Assembler::is_simm13(offset), "fix this code"); |
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75 __ store_heap_oop(val, base, offset); |
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76 } else { |
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77 __ store_heap_oop(val, base, index); |
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78 } |
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79 |
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80 // No need for post barrier if storing NULL |
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81 if (val != G0) { |
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82 if (precise) { |
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83 if (index == noreg) { |
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84 __ add(base, offset, base); |
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85 } else { |
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86 __ add(base, index, base); |
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87 } |
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88 } |
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89 __ g1_write_barrier_post(base, new_val, tmp); |
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90 } |
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91 } |
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92 break; |
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93 #endif // INCLUDE_ALL_GCS |
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94 case BarrierSet::CardTableModRef: |
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95 case BarrierSet::CardTableExtension: |
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96 { |
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97 if (index == noreg ) { |
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98 assert(Assembler::is_simm13(offset), "fix this code"); |
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99 __ store_heap_oop(val, base, offset); |
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100 } else { |
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101 __ store_heap_oop(val, base, index); |
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102 } |
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103 // No need for post barrier if storing NULL |
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104 if (val != G0) { |
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105 if (precise) { |
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106 if (index == noreg) { |
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107 __ add(base, offset, base); |
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108 } else { |
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109 __ add(base, index, base); |
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110 } |
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111 } |
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112 __ card_write_barrier_post(base, val, tmp); |
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113 } |
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114 } |
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115 break; |
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116 case BarrierSet::ModRef: |
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117 case BarrierSet::Other: |
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118 ShouldNotReachHere(); |
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119 break; |
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120 default : |
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121 ShouldNotReachHere(); |
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122 |
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123 } |
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124 } |
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125 |
| 0 | 126 |
| 127 //---------------------------------------------------------------------------------------------------- | |
| 128 // Platform-dependent initialization | |
| 129 | |
| 130 void TemplateTable::pd_initialize() { | |
| 131 // (none) | |
| 132 } | |
| 133 | |
| 134 | |
| 135 //---------------------------------------------------------------------------------------------------- | |
| 136 // Condition conversion | |
| 137 Assembler::Condition ccNot(TemplateTable::Condition cc) { | |
| 138 switch (cc) { | |
| 139 case TemplateTable::equal : return Assembler::notEqual; | |
| 140 case TemplateTable::not_equal : return Assembler::equal; | |
| 141 case TemplateTable::less : return Assembler::greaterEqual; | |
| 142 case TemplateTable::less_equal : return Assembler::greater; | |
| 143 case TemplateTable::greater : return Assembler::lessEqual; | |
| 144 case TemplateTable::greater_equal: return Assembler::less; | |
| 145 } | |
| 146 ShouldNotReachHere(); | |
| 147 return Assembler::zero; | |
| 148 } | |
| 149 | |
| 150 //---------------------------------------------------------------------------------------------------- | |
| 151 // Miscelaneous helper routines | |
| 152 | |
| 153 | |
| 154 Address TemplateTable::at_bcp(int offset) { | |
| 155 assert(_desc->uses_bcp(), "inconsistent uses_bcp information"); | |
| 727 | 156 return Address(Lbcp, offset); |
| 0 | 157 } |
| 158 | |
| 159 | |
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160 void TemplateTable::patch_bytecode(Bytecodes::Code bc, Register bc_reg, |
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161 Register temp_reg, bool load_bc_into_bc_reg/*=true*/, |
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162 int byte_no) { |
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163 // With sharing on, may need to test Method* flag. |
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164 if (!RewriteBytecodes) return; |
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165 Label L_patch_done; |
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166 |
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167 switch (bc) { |
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168 case Bytecodes::_fast_aputfield: |
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169 case Bytecodes::_fast_bputfield: |
| 23614 | 170 case Bytecodes::_fast_zputfield: |
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171 case Bytecodes::_fast_cputfield: |
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172 case Bytecodes::_fast_dputfield: |
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173 case Bytecodes::_fast_fputfield: |
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174 case Bytecodes::_fast_iputfield: |
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175 case Bytecodes::_fast_lputfield: |
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176 case Bytecodes::_fast_sputfield: |
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177 { |
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178 // We skip bytecode quickening for putfield instructions when |
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179 // the put_code written to the constant pool cache is zero. |
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180 // This is required so that every execution of this instruction |
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181 // calls out to InterpreterRuntime::resolve_get_put to do |
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182 // additional, required work. |
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183 assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
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184 assert(load_bc_into_bc_reg, "we use bc_reg as temp"); |
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185 __ get_cache_and_index_and_bytecode_at_bcp(bc_reg, temp_reg, temp_reg, byte_no, 1); |
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186 __ set(bc, bc_reg); |
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187 __ cmp_and_br_short(temp_reg, 0, Assembler::equal, Assembler::pn, L_patch_done); // don't patch |
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188 } |
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189 break; |
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190 default: |
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191 assert(byte_no == -1, "sanity"); |
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192 if (load_bc_into_bc_reg) { |
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193 __ set(bc, bc_reg); |
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194 } |
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195 } |
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196 |
| 0 | 197 if (JvmtiExport::can_post_breakpoint()) { |
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198 Label L_fast_patch; |
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199 __ ldub(at_bcp(0), temp_reg); |
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200 __ cmp_and_br_short(temp_reg, Bytecodes::_breakpoint, Assembler::notEqual, Assembler::pt, L_fast_patch); |
| 0 | 201 // perform the quickening, slowly, in the bowels of the breakpoint table |
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202 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::set_original_bytecode_at), Lmethod, Lbcp, bc_reg); |
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203 __ ba_short(L_patch_done); |
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204 __ bind(L_fast_patch); |
| 0 | 205 } |
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206 |
| 0 | 207 #ifdef ASSERT |
| 208 Bytecodes::Code orig_bytecode = Bytecodes::java_code(bc); | |
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209 Label L_okay; |
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210 __ ldub(at_bcp(0), temp_reg); |
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211 __ cmp(temp_reg, orig_bytecode); |
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212 __ br(Assembler::equal, false, Assembler::pt, L_okay); |
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213 __ delayed()->cmp(temp_reg, bc_reg); |
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214 __ br(Assembler::equal, false, Assembler::pt, L_okay); |
| 0 | 215 __ delayed()->nop(); |
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216 __ stop("patching the wrong bytecode"); |
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217 __ bind(L_okay); |
| 0 | 218 #endif |
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219 |
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220 // patch bytecode |
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221 __ stb(bc_reg, at_bcp(0)); |
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222 __ bind(L_patch_done); |
| 0 | 223 } |
| 224 | |
| 225 //---------------------------------------------------------------------------------------------------- | |
| 226 // Individual instructions | |
| 227 | |
| 228 void TemplateTable::nop() { | |
| 229 transition(vtos, vtos); | |
| 230 // nothing to do | |
| 231 } | |
| 232 | |
| 233 void TemplateTable::shouldnotreachhere() { | |
| 234 transition(vtos, vtos); | |
| 235 __ stop("shouldnotreachhere bytecode"); | |
| 236 } | |
| 237 | |
| 238 void TemplateTable::aconst_null() { | |
| 239 transition(vtos, atos); | |
| 240 __ clr(Otos_i); | |
| 241 } | |
| 242 | |
| 243 | |
| 244 void TemplateTable::iconst(int value) { | |
| 245 transition(vtos, itos); | |
| 246 __ set(value, Otos_i); | |
| 247 } | |
| 248 | |
| 249 | |
| 250 void TemplateTable::lconst(int value) { | |
| 251 transition(vtos, ltos); | |
| 252 assert(value >= 0, "check this code"); | |
| 253 #ifdef _LP64 | |
| 254 __ set(value, Otos_l); | |
| 255 #else | |
| 256 __ set(value, Otos_l2); | |
| 257 __ clr( Otos_l1); | |
| 258 #endif | |
| 259 } | |
| 260 | |
| 261 | |
| 262 void TemplateTable::fconst(int value) { | |
| 263 transition(vtos, ftos); | |
| 264 static float zero = 0.0, one = 1.0, two = 2.0; | |
| 265 float* p; | |
| 266 switch( value ) { | |
| 267 default: ShouldNotReachHere(); | |
| 268 case 0: p = &zero; break; | |
| 269 case 1: p = &one; break; | |
| 270 case 2: p = &two; break; | |
| 271 } | |
| 727 | 272 AddressLiteral a(p); |
| 273 __ sethi(a, G3_scratch); | |
| 274 __ ldf(FloatRegisterImpl::S, G3_scratch, a.low10(), Ftos_f); | |
| 0 | 275 } |
| 276 | |
| 277 | |
| 278 void TemplateTable::dconst(int value) { | |
| 279 transition(vtos, dtos); | |
| 280 static double zero = 0.0, one = 1.0; | |
| 281 double* p; | |
| 282 switch( value ) { | |
| 283 default: ShouldNotReachHere(); | |
| 284 case 0: p = &zero; break; | |
| 285 case 1: p = &one; break; | |
| 286 } | |
| 727 | 287 AddressLiteral a(p); |
| 288 __ sethi(a, G3_scratch); | |
| 289 __ ldf(FloatRegisterImpl::D, G3_scratch, a.low10(), Ftos_d); | |
| 0 | 290 } |
| 291 | |
| 292 | |
| 293 // %%%%% Should factore most snippet templates across platforms | |
| 294 | |
| 295 void TemplateTable::bipush() { | |
| 296 transition(vtos, itos); | |
| 297 __ ldsb( at_bcp(1), Otos_i ); | |
| 298 } | |
| 299 | |
| 300 void TemplateTable::sipush() { | |
| 301 transition(vtos, itos); | |
| 302 __ get_2_byte_integer_at_bcp(1, G3_scratch, Otos_i, InterpreterMacroAssembler::Signed); | |
| 303 } | |
| 304 | |
| 305 void TemplateTable::ldc(bool wide) { | |
| 306 transition(vtos, vtos); | |
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307 Label call_ldc, notInt, isString, notString, notClass, exit; |
| 0 | 308 |
| 309 if (wide) { | |
| 310 __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); | |
| 311 } else { | |
| 312 __ ldub(Lbcp, 1, O1); | |
| 313 } | |
| 314 __ get_cpool_and_tags(O0, O2); | |
| 315 | |
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316 const int base_offset = ConstantPool::header_size() * wordSize; |
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317 const int tags_offset = Array<u1>::base_offset_in_bytes(); |
| 0 | 318 |
| 319 // get type from tags | |
| 320 __ add(O2, tags_offset, O2); | |
| 321 __ ldub(O2, O1, O2); | |
| 3839 | 322 |
| 323 // unresolved class? If so, must resolve | |
| 324 __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClass, Assembler::equal, Assembler::pt, call_ldc); | |
| 325 | |
| 326 // unresolved class in error state | |
| 327 __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClassInError, Assembler::equal, Assembler::pn, call_ldc); | |
| 0 | 328 |
| 329 __ cmp(O2, JVM_CONSTANT_Class); // need to call vm to get java mirror of the class | |
| 330 __ brx(Assembler::notEqual, true, Assembler::pt, notClass); | |
| 331 __ delayed()->add(O0, base_offset, O0); | |
| 332 | |
| 333 __ bind(call_ldc); | |
| 334 __ set(wide, O1); | |
| 335 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::ldc), O1); | |
| 336 __ push(atos); | |
| 3839 | 337 __ ba_short(exit); |
| 0 | 338 |
| 339 __ bind(notClass); | |
| 340 // __ add(O0, base_offset, O0); | |
| 341 __ sll(O1, LogBytesPerWord, O1); | |
| 342 __ cmp(O2, JVM_CONSTANT_Integer); | |
| 343 __ brx(Assembler::notEqual, true, Assembler::pt, notInt); | |
| 344 __ delayed()->cmp(O2, JVM_CONSTANT_String); | |
| 345 __ ld(O0, O1, Otos_i); | |
| 346 __ push(itos); | |
| 3839 | 347 __ ba_short(exit); |
| 0 | 348 |
| 349 __ bind(notInt); | |
| 350 // __ cmp(O2, JVM_CONSTANT_String); | |
| 351 __ brx(Assembler::notEqual, true, Assembler::pt, notString); | |
| 352 __ delayed()->ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); | |
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353 __ bind(isString); |
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354 __ stop("string should be rewritten to fast_aldc"); |
| 3839 | 355 __ ba_short(exit); |
| 0 | 356 |
| 357 __ bind(notString); | |
| 358 // __ ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); | |
| 359 __ push(ftos); | |
| 360 | |
| 361 __ bind(exit); | |
| 362 } | |
| 363 | |
| 1602 | 364 // Fast path for caching oop constants. |
| 365 // %%% We should use this to handle Class and String constants also. | |
| 366 // %%% It will simplify the ldc/primitive path considerably. | |
| 367 void TemplateTable::fast_aldc(bool wide) { | |
| 368 transition(vtos, atos); | |
| 369 | |
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370 int index_size = wide ? sizeof(u2) : sizeof(u1); |
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371 Label resolved; |
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372 |
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373 // We are resolved if the resolved reference cache entry contains a |
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374 // non-null object (CallSite, etc.) |
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375 assert_different_registers(Otos_i, G3_scratch); |
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376 __ get_cache_index_at_bcp(Otos_i, G3_scratch, 1, index_size); // load index => G3_scratch |
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377 __ load_resolved_reference_at_index(Otos_i, G3_scratch); |
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378 __ tst(Otos_i); |
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379 __ br(Assembler::notEqual, false, Assembler::pt, resolved); |
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380 __ delayed()->set((int)bytecode(), O1); |
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381 |
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382 address entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); |
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383 |
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384 // first time invocation - must resolve first |
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385 __ call_VM(Otos_i, entry, O1); |
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386 __ bind(resolved); |
| 1602 | 387 __ verify_oop(Otos_i); |
| 388 } | |
| 389 | |
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390 |
| 0 | 391 void TemplateTable::ldc2_w() { |
| 392 transition(vtos, vtos); | |
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393 Label Long, exit; |
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394 |
| 0 | 395 __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); |
| 396 __ get_cpool_and_tags(O0, O2); | |
| 397 | |
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398 const int base_offset = ConstantPool::header_size() * wordSize; |
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399 const int tags_offset = Array<u1>::base_offset_in_bytes(); |
| 0 | 400 // get type from tags |
| 401 __ add(O2, tags_offset, O2); | |
| 402 __ ldub(O2, O1, O2); | |
| 403 | |
| 404 __ sll(O1, LogBytesPerWord, O1); | |
| 405 __ add(O0, O1, G3_scratch); | |
| 406 | |
| 3839 | 407 __ cmp_and_brx_short(O2, JVM_CONSTANT_Double, Assembler::notEqual, Assembler::pt, Long); |
| 0 | 408 // A double can be placed at word-aligned locations in the constant pool. |
| 409 // Check out Conversions.java for an example. | |
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410 // Also ConstantPool::header_size() is 20, which makes it very difficult |
| 0 | 411 // to double-align double on the constant pool. SG, 11/7/97 |
| 412 #ifdef _LP64 | |
| 413 __ ldf(FloatRegisterImpl::D, G3_scratch, base_offset, Ftos_d); | |
| 414 #else | |
| 415 FloatRegister f = Ftos_d; | |
| 416 __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset, f); | |
| 417 __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset + sizeof(jdouble)/2, | |
| 418 f->successor()); | |
| 419 #endif | |
| 420 __ push(dtos); | |
| 3839 | 421 __ ba_short(exit); |
| 0 | 422 |
| 423 __ bind(Long); | |
| 424 #ifdef _LP64 | |
| 425 __ ldx(G3_scratch, base_offset, Otos_l); | |
| 426 #else | |
| 427 __ ld(G3_scratch, base_offset, Otos_l); | |
| 428 __ ld(G3_scratch, base_offset + sizeof(jlong)/2, Otos_l->successor()); | |
| 429 #endif | |
| 430 __ push(ltos); | |
| 431 | |
| 432 __ bind(exit); | |
| 433 } | |
| 434 | |
| 435 | |
| 436 void TemplateTable::locals_index(Register reg, int offset) { | |
| 437 __ ldub( at_bcp(offset), reg ); | |
| 438 } | |
| 439 | |
| 440 | |
| 441 void TemplateTable::locals_index_wide(Register reg) { | |
| 442 // offset is 2, not 1, because Lbcp points to wide prefix code | |
| 443 __ get_2_byte_integer_at_bcp(2, G4_scratch, reg, InterpreterMacroAssembler::Unsigned); | |
| 444 } | |
| 445 | |
| 446 void TemplateTable::iload() { | |
| 447 transition(vtos, itos); | |
| 448 // Rewrite iload,iload pair into fast_iload2 | |
| 449 // iload,caload pair into fast_icaload | |
| 450 if (RewriteFrequentPairs) { | |
| 451 Label rewrite, done; | |
| 452 | |
| 453 // get next byte | |
| 454 __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_iload)), G3_scratch); | |
| 455 | |
| 456 // if _iload, wait to rewrite to iload2. We only want to rewrite the | |
| 457 // last two iloads in a pair. Comparing against fast_iload means that | |
| 458 // the next bytecode is neither an iload or a caload, and therefore | |
| 459 // an iload pair. | |
| 3839 | 460 __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_iload, Assembler::equal, Assembler::pn, done); |
| 0 | 461 |
| 462 __ cmp(G3_scratch, (int)Bytecodes::_fast_iload); | |
| 463 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
| 464 __ delayed()->set(Bytecodes::_fast_iload2, G4_scratch); | |
| 465 | |
| 466 __ cmp(G3_scratch, (int)Bytecodes::_caload); | |
| 467 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
| 468 __ delayed()->set(Bytecodes::_fast_icaload, G4_scratch); | |
| 469 | |
| 470 __ set(Bytecodes::_fast_iload, G4_scratch); // don't check again | |
| 471 // rewrite | |
| 472 // G4_scratch: fast bytecode | |
| 473 __ bind(rewrite); | |
| 474 patch_bytecode(Bytecodes::_iload, G4_scratch, G3_scratch, false); | |
| 475 __ bind(done); | |
| 476 } | |
| 477 | |
| 478 // Get the local value into tos | |
| 479 locals_index(G3_scratch); | |
| 480 __ access_local_int( G3_scratch, Otos_i ); | |
| 481 } | |
| 482 | |
| 483 void TemplateTable::fast_iload2() { | |
| 484 transition(vtos, itos); | |
| 485 locals_index(G3_scratch); | |
| 486 __ access_local_int( G3_scratch, Otos_i ); | |
| 487 __ push_i(); | |
| 488 locals_index(G3_scratch, 3); // get next bytecode's local index. | |
| 489 __ access_local_int( G3_scratch, Otos_i ); | |
| 490 } | |
| 491 | |
| 492 void TemplateTable::fast_iload() { | |
| 493 transition(vtos, itos); | |
| 494 locals_index(G3_scratch); | |
| 495 __ access_local_int( G3_scratch, Otos_i ); | |
| 496 } | |
| 497 | |
| 498 void TemplateTable::lload() { | |
| 499 transition(vtos, ltos); | |
| 500 locals_index(G3_scratch); | |
| 501 __ access_local_long( G3_scratch, Otos_l ); | |
| 502 } | |
| 503 | |
| 504 | |
| 505 void TemplateTable::fload() { | |
| 506 transition(vtos, ftos); | |
| 507 locals_index(G3_scratch); | |
| 508 __ access_local_float( G3_scratch, Ftos_f ); | |
| 509 } | |
| 510 | |
| 511 | |
| 512 void TemplateTable::dload() { | |
| 513 transition(vtos, dtos); | |
| 514 locals_index(G3_scratch); | |
| 515 __ access_local_double( G3_scratch, Ftos_d ); | |
| 516 } | |
| 517 | |
| 518 | |
| 519 void TemplateTable::aload() { | |
| 520 transition(vtos, atos); | |
| 521 locals_index(G3_scratch); | |
| 522 __ access_local_ptr( G3_scratch, Otos_i); | |
| 523 } | |
| 524 | |
| 525 | |
| 526 void TemplateTable::wide_iload() { | |
| 527 transition(vtos, itos); | |
| 528 locals_index_wide(G3_scratch); | |
| 529 __ access_local_int( G3_scratch, Otos_i ); | |
| 530 } | |
| 531 | |
| 532 | |
| 533 void TemplateTable::wide_lload() { | |
| 534 transition(vtos, ltos); | |
| 535 locals_index_wide(G3_scratch); | |
| 536 __ access_local_long( G3_scratch, Otos_l ); | |
| 537 } | |
| 538 | |
| 539 | |
| 540 void TemplateTable::wide_fload() { | |
| 541 transition(vtos, ftos); | |
| 542 locals_index_wide(G3_scratch); | |
| 543 __ access_local_float( G3_scratch, Ftos_f ); | |
| 544 } | |
| 545 | |
| 546 | |
| 547 void TemplateTable::wide_dload() { | |
| 548 transition(vtos, dtos); | |
| 549 locals_index_wide(G3_scratch); | |
| 550 __ access_local_double( G3_scratch, Ftos_d ); | |
| 551 } | |
| 552 | |
| 553 | |
| 554 void TemplateTable::wide_aload() { | |
| 555 transition(vtos, atos); | |
| 556 locals_index_wide(G3_scratch); | |
| 557 __ access_local_ptr( G3_scratch, Otos_i ); | |
| 558 __ verify_oop(Otos_i); | |
| 559 } | |
| 560 | |
| 561 | |
| 562 void TemplateTable::iaload() { | |
| 563 transition(itos, itos); | |
| 564 // Otos_i: index | |
| 565 // tos: array | |
| 566 __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); | |
| 567 __ ld(O3, arrayOopDesc::base_offset_in_bytes(T_INT), Otos_i); | |
| 568 } | |
| 569 | |
| 570 | |
| 571 void TemplateTable::laload() { | |
| 572 transition(itos, ltos); | |
| 573 // Otos_i: index | |
| 574 // O2: array | |
| 575 __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); | |
| 576 __ ld_long(O3, arrayOopDesc::base_offset_in_bytes(T_LONG), Otos_l); | |
| 577 } | |
| 578 | |
| 579 | |
| 580 void TemplateTable::faload() { | |
| 581 transition(itos, ftos); | |
| 582 // Otos_i: index | |
| 583 // O2: array | |
| 584 __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); | |
| 585 __ ldf(FloatRegisterImpl::S, O3, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Ftos_f); | |
| 586 } | |
| 587 | |
| 588 | |
| 589 void TemplateTable::daload() { | |
| 590 transition(itos, dtos); | |
| 591 // Otos_i: index | |
| 592 // O2: array | |
| 593 __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); | |
| 594 __ ldf(FloatRegisterImpl::D, O3, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Ftos_d); | |
| 595 } | |
| 596 | |
| 597 | |
| 598 void TemplateTable::aaload() { | |
| 599 transition(itos, atos); | |
| 600 // Otos_i: index | |
| 601 // tos: array | |
|
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602 __ index_check(O2, Otos_i, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O3); |
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603 __ load_heap_oop(O3, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i); |
| 0 | 604 __ verify_oop(Otos_i); |
| 605 } | |
| 606 | |
| 607 | |
| 608 void TemplateTable::baload() { | |
| 609 transition(itos, itos); | |
| 610 // Otos_i: index | |
| 611 // tos: array | |
| 612 __ index_check(O2, Otos_i, 0, G3_scratch, O3); | |
| 613 __ ldsb(O3, arrayOopDesc::base_offset_in_bytes(T_BYTE), Otos_i); | |
| 614 } | |
| 615 | |
| 616 | |
| 617 void TemplateTable::caload() { | |
| 618 transition(itos, itos); | |
| 619 // Otos_i: index | |
| 620 // tos: array | |
| 621 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
| 622 __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); | |
| 623 } | |
| 624 | |
| 625 void TemplateTable::fast_icaload() { | |
| 626 transition(vtos, itos); | |
| 627 // Otos_i: index | |
| 628 // tos: array | |
| 629 locals_index(G3_scratch); | |
| 630 __ access_local_int( G3_scratch, Otos_i ); | |
| 631 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
| 632 __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); | |
| 633 } | |
| 634 | |
| 635 | |
| 636 void TemplateTable::saload() { | |
| 637 transition(itos, itos); | |
| 638 // Otos_i: index | |
| 639 // tos: array | |
| 640 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
| 641 __ ldsh(O3, arrayOopDesc::base_offset_in_bytes(T_SHORT), Otos_i); | |
| 642 } | |
| 643 | |
| 644 | |
| 645 void TemplateTable::iload(int n) { | |
| 646 transition(vtos, itos); | |
| 647 __ ld( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); | |
| 648 } | |
| 649 | |
| 650 | |
| 651 void TemplateTable::lload(int n) { | |
| 652 transition(vtos, ltos); | |
| 653 assert(n+1 < Argument::n_register_parameters, "would need more code"); | |
| 654 __ load_unaligned_long(Llocals, Interpreter::local_offset_in_bytes(n+1), Otos_l); | |
| 655 } | |
| 656 | |
| 657 | |
| 658 void TemplateTable::fload(int n) { | |
| 659 transition(vtos, ftos); | |
| 660 assert(n < Argument::n_register_parameters, "would need more code"); | |
| 661 __ ldf( FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(n), Ftos_f ); | |
| 662 } | |
| 663 | |
| 664 | |
| 665 void TemplateTable::dload(int n) { | |
| 666 transition(vtos, dtos); | |
| 667 FloatRegister dst = Ftos_d; | |
| 668 __ load_unaligned_double(Llocals, Interpreter::local_offset_in_bytes(n+1), dst); | |
| 669 } | |
| 670 | |
| 671 | |
| 672 void TemplateTable::aload(int n) { | |
| 673 transition(vtos, atos); | |
| 674 __ ld_ptr( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); | |
| 675 } | |
| 676 | |
| 677 | |
| 678 void TemplateTable::aload_0() { | |
| 679 transition(vtos, atos); | |
| 680 | |
| 681 // According to bytecode histograms, the pairs: | |
| 682 // | |
| 683 // _aload_0, _fast_igetfield (itos) | |
| 684 // _aload_0, _fast_agetfield (atos) | |
| 685 // _aload_0, _fast_fgetfield (ftos) | |
| 686 // | |
| 687 // occur frequently. If RewriteFrequentPairs is set, the (slow) _aload_0 | |
| 688 // bytecode checks the next bytecode and then rewrites the current | |
| 689 // bytecode into a pair bytecode; otherwise it rewrites the current | |
| 690 // bytecode into _fast_aload_0 that doesn't do the pair check anymore. | |
| 691 // | |
| 692 if (RewriteFrequentPairs) { | |
| 693 Label rewrite, done; | |
| 694 | |
| 695 // get next byte | |
| 696 __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_aload_0)), G3_scratch); | |
| 697 | |
| 698 // do actual aload_0 | |
| 699 aload(0); | |
| 700 | |
| 701 // if _getfield then wait with rewrite | |
| 3839 | 702 __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_getfield, Assembler::equal, Assembler::pn, done); |
| 0 | 703 |
| 704 // if _igetfield then rewrite to _fast_iaccess_0 | |
| 705 assert(Bytecodes::java_code(Bytecodes::_fast_iaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
| 706 __ cmp(G3_scratch, (int)Bytecodes::_fast_igetfield); | |
| 707 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
| 708 __ delayed()->set(Bytecodes::_fast_iaccess_0, G4_scratch); | |
| 709 | |
| 710 // if _agetfield then rewrite to _fast_aaccess_0 | |
| 711 assert(Bytecodes::java_code(Bytecodes::_fast_aaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
| 712 __ cmp(G3_scratch, (int)Bytecodes::_fast_agetfield); | |
| 713 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
| 714 __ delayed()->set(Bytecodes::_fast_aaccess_0, G4_scratch); | |
| 715 | |
| 716 // if _fgetfield then rewrite to _fast_faccess_0 | |
| 717 assert(Bytecodes::java_code(Bytecodes::_fast_faccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
| 718 __ cmp(G3_scratch, (int)Bytecodes::_fast_fgetfield); | |
| 719 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
| 720 __ delayed()->set(Bytecodes::_fast_faccess_0, G4_scratch); | |
| 721 | |
| 722 // else rewrite to _fast_aload0 | |
| 723 assert(Bytecodes::java_code(Bytecodes::_fast_aload_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
| 724 __ set(Bytecodes::_fast_aload_0, G4_scratch); | |
| 725 | |
| 726 // rewrite | |
| 727 // G4_scratch: fast bytecode | |
| 728 __ bind(rewrite); | |
| 729 patch_bytecode(Bytecodes::_aload_0, G4_scratch, G3_scratch, false); | |
| 730 __ bind(done); | |
| 731 } else { | |
| 732 aload(0); | |
| 733 } | |
| 734 } | |
| 735 | |
| 736 | |
| 737 void TemplateTable::istore() { | |
| 738 transition(itos, vtos); | |
| 739 locals_index(G3_scratch); | |
| 740 __ store_local_int( G3_scratch, Otos_i ); | |
| 741 } | |
| 742 | |
| 743 | |
| 744 void TemplateTable::lstore() { | |
| 745 transition(ltos, vtos); | |
| 746 locals_index(G3_scratch); | |
| 747 __ store_local_long( G3_scratch, Otos_l ); | |
| 748 } | |
| 749 | |
| 750 | |
| 751 void TemplateTable::fstore() { | |
| 752 transition(ftos, vtos); | |
| 753 locals_index(G3_scratch); | |
| 754 __ store_local_float( G3_scratch, Ftos_f ); | |
| 755 } | |
| 756 | |
| 757 | |
| 758 void TemplateTable::dstore() { | |
| 759 transition(dtos, vtos); | |
| 760 locals_index(G3_scratch); | |
| 761 __ store_local_double( G3_scratch, Ftos_d ); | |
| 762 } | |
| 763 | |
| 764 | |
| 765 void TemplateTable::astore() { | |
| 766 transition(vtos, vtos); | |
| 1506 | 767 __ load_ptr(0, Otos_i); |
| 768 __ inc(Lesp, Interpreter::stackElementSize); | |
| 0 | 769 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
| 770 locals_index(G3_scratch); | |
| 1506 | 771 __ store_local_ptr(G3_scratch, Otos_i); |
| 0 | 772 } |
| 773 | |
| 774 | |
| 775 void TemplateTable::wide_istore() { | |
| 776 transition(vtos, vtos); | |
| 777 __ pop_i(); | |
| 778 locals_index_wide(G3_scratch); | |
| 779 __ store_local_int( G3_scratch, Otos_i ); | |
| 780 } | |
| 781 | |
| 782 | |
| 783 void TemplateTable::wide_lstore() { | |
| 784 transition(vtos, vtos); | |
| 785 __ pop_l(); | |
| 786 locals_index_wide(G3_scratch); | |
| 787 __ store_local_long( G3_scratch, Otos_l ); | |
| 788 } | |
| 789 | |
| 790 | |
| 791 void TemplateTable::wide_fstore() { | |
| 792 transition(vtos, vtos); | |
| 793 __ pop_f(); | |
| 794 locals_index_wide(G3_scratch); | |
| 795 __ store_local_float( G3_scratch, Ftos_f ); | |
| 796 } | |
| 797 | |
| 798 | |
| 799 void TemplateTable::wide_dstore() { | |
| 800 transition(vtos, vtos); | |
| 801 __ pop_d(); | |
| 802 locals_index_wide(G3_scratch); | |
| 803 __ store_local_double( G3_scratch, Ftos_d ); | |
| 804 } | |
| 805 | |
| 806 | |
| 807 void TemplateTable::wide_astore() { | |
| 808 transition(vtos, vtos); | |
| 1506 | 809 __ load_ptr(0, Otos_i); |
| 810 __ inc(Lesp, Interpreter::stackElementSize); | |
| 0 | 811 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
| 812 locals_index_wide(G3_scratch); | |
| 1506 | 813 __ store_local_ptr(G3_scratch, Otos_i); |
| 0 | 814 } |
| 815 | |
| 816 | |
| 817 void TemplateTable::iastore() { | |
| 818 transition(itos, vtos); | |
| 819 __ pop_i(O2); // index | |
| 820 // Otos_i: val | |
| 821 // O3: array | |
| 822 __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); | |
| 823 __ st(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_INT)); | |
| 824 } | |
| 825 | |
| 826 | |
| 827 void TemplateTable::lastore() { | |
| 828 transition(ltos, vtos); | |
| 829 __ pop_i(O2); // index | |
| 830 // Otos_l: val | |
| 831 // O3: array | |
| 832 __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); | |
| 833 __ st_long(Otos_l, O2, arrayOopDesc::base_offset_in_bytes(T_LONG)); | |
| 834 } | |
| 835 | |
| 836 | |
| 837 void TemplateTable::fastore() { | |
| 838 transition(ftos, vtos); | |
| 839 __ pop_i(O2); // index | |
| 840 // Ftos_f: val | |
| 841 // O3: array | |
| 842 __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); | |
| 843 __ stf(FloatRegisterImpl::S, Ftos_f, O2, arrayOopDesc::base_offset_in_bytes(T_FLOAT)); | |
| 844 } | |
| 845 | |
| 846 | |
| 847 void TemplateTable::dastore() { | |
| 848 transition(dtos, vtos); | |
| 849 __ pop_i(O2); // index | |
| 850 // Fos_d: val | |
| 851 // O3: array | |
| 852 __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); | |
| 853 __ stf(FloatRegisterImpl::D, Ftos_d, O2, arrayOopDesc::base_offset_in_bytes(T_DOUBLE)); | |
| 854 } | |
| 855 | |
| 856 | |
| 857 void TemplateTable::aastore() { | |
| 858 Label store_ok, is_null, done; | |
| 859 transition(vtos, vtos); | |
| 860 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); | |
| 861 __ ld(Lesp, Interpreter::expr_offset_in_bytes(1), O2); // get index | |
| 862 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(2), O3); // get array | |
| 863 // Otos_i: val | |
| 864 // O2: index | |
| 865 // O3: array | |
| 866 __ verify_oop(Otos_i); | |
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867 __ index_check_without_pop(O3, O2, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O1); |
| 0 | 868 |
| 869 // do array store check - check for NULL value first | |
| 3839 | 870 __ br_null_short( Otos_i, Assembler::pn, is_null ); |
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871 |
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872 __ load_klass(O3, O4); // get array klass |
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873 __ load_klass(Otos_i, O5); // get value klass |
| 0 | 874 |
| 875 // do fast instanceof cache test | |
| 876 | |
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877 __ ld_ptr(O4, in_bytes(ObjArrayKlass::element_klass_offset()), O4); |
| 0 | 878 |
| 879 assert(Otos_i == O0, "just checking"); | |
| 880 | |
| 881 // Otos_i: value | |
| 882 // O1: addr - offset | |
| 883 // O2: index | |
| 884 // O3: array | |
| 885 // O4: array element klass | |
| 886 // O5: value klass | |
| 887 | |
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888 // Address element(O1, 0, arrayOopDesc::base_offset_in_bytes(T_OBJECT)); |
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889 |
| 0 | 890 // Generate a fast subtype check. Branch to store_ok if no |
| 891 // failure. Throw if failure. | |
| 892 __ gen_subtype_check( O5, O4, G3_scratch, G4_scratch, G1_scratch, store_ok ); | |
| 893 | |
| 894 // Not a subtype; so must throw exception | |
| 895 __ throw_if_not_x( Assembler::never, Interpreter::_throw_ArrayStoreException_entry, G3_scratch ); | |
| 896 | |
| 897 // Store is OK. | |
| 898 __ bind(store_ok); | |
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899 do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i, G3_scratch, _bs->kind(), true); |
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900 |
| 3839 | 901 __ ba(done); |
| 1506 | 902 __ delayed()->inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
| 0 | 903 |
| 904 __ bind(is_null); | |
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905 do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), G0, G4_scratch, _bs->kind(), true); |
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906 |
| 0 | 907 __ profile_null_seen(G3_scratch); |
| 1506 | 908 __ inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
| 0 | 909 __ bind(done); |
| 910 } | |
| 911 | |
| 912 | |
| 913 void TemplateTable::bastore() { | |
| 914 transition(itos, vtos); | |
| 915 __ pop_i(O2); // index | |
| 916 // Otos_i: val | |
| 23614 | 917 // O2: index |
| 0 | 918 // O3: array |
| 919 __ index_check(O3, O2, 0, G3_scratch, O2); | |
| 23614 | 920 // Need to check whether array is boolean or byte |
| 921 // since both types share the bastore bytecode. | |
| 922 __ load_klass(O3, G4_scratch); | |
| 923 __ ld(G4_scratch, in_bytes(Klass::layout_helper_offset()), G4_scratch); | |
| 924 __ set(Klass::layout_helper_boolean_diffbit(), G3_scratch); | |
| 925 __ andcc(G3_scratch, G4_scratch, G0); | |
| 926 Label L_skip; | |
| 927 __ br(Assembler::zero, false, Assembler::pn, L_skip); | |
| 928 __ delayed()->nop(); | |
| 929 __ and3(Otos_i, 1, Otos_i); // if it is a T_BOOLEAN array, mask the stored value to 0/1 | |
| 930 __ bind(L_skip); | |
| 0 | 931 __ stb(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_BYTE)); |
| 932 } | |
| 933 | |
| 934 | |
| 935 void TemplateTable::castore() { | |
| 936 transition(itos, vtos); | |
| 937 __ pop_i(O2); // index | |
| 938 // Otos_i: val | |
| 939 // O3: array | |
| 940 __ index_check(O3, O2, LogBytesPerShort, G3_scratch, O2); | |
| 941 __ sth(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_CHAR)); | |
| 942 } | |
| 943 | |
| 944 | |
| 945 void TemplateTable::sastore() { | |
| 946 // %%%%% Factor across platform | |
| 947 castore(); | |
| 948 } | |
| 949 | |
| 950 | |
| 951 void TemplateTable::istore(int n) { | |
| 952 transition(itos, vtos); | |
| 953 __ st(Otos_i, Llocals, Interpreter::local_offset_in_bytes(n)); | |
| 954 } | |
| 955 | |
| 956 | |
| 957 void TemplateTable::lstore(int n) { | |
| 958 transition(ltos, vtos); | |
| 959 assert(n+1 < Argument::n_register_parameters, "only handle register cases"); | |
| 960 __ store_unaligned_long(Otos_l, Llocals, Interpreter::local_offset_in_bytes(n+1)); | |
| 961 | |
| 962 } | |
| 963 | |
| 964 | |
| 965 void TemplateTable::fstore(int n) { | |
| 966 transition(ftos, vtos); | |
| 967 assert(n < Argument::n_register_parameters, "only handle register cases"); | |
| 968 __ stf(FloatRegisterImpl::S, Ftos_f, Llocals, Interpreter::local_offset_in_bytes(n)); | |
| 969 } | |
| 970 | |
| 971 | |
| 972 void TemplateTable::dstore(int n) { | |
| 973 transition(dtos, vtos); | |
| 974 FloatRegister src = Ftos_d; | |
| 975 __ store_unaligned_double(src, Llocals, Interpreter::local_offset_in_bytes(n+1)); | |
| 976 } | |
| 977 | |
| 978 | |
| 979 void TemplateTable::astore(int n) { | |
| 980 transition(vtos, vtos); | |
| 1506 | 981 __ load_ptr(0, Otos_i); |
| 982 __ inc(Lesp, Interpreter::stackElementSize); | |
| 0 | 983 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
| 1506 | 984 __ store_local_ptr(n, Otos_i); |
| 0 | 985 } |
| 986 | |
| 987 | |
| 988 void TemplateTable::pop() { | |
| 989 transition(vtos, vtos); | |
| 1506 | 990 __ inc(Lesp, Interpreter::stackElementSize); |
| 0 | 991 } |
| 992 | |
| 993 | |
| 994 void TemplateTable::pop2() { | |
| 995 transition(vtos, vtos); | |
| 1506 | 996 __ inc(Lesp, 2 * Interpreter::stackElementSize); |
| 0 | 997 } |
| 998 | |
| 999 | |
| 1000 void TemplateTable::dup() { | |
| 1001 transition(vtos, vtos); | |
| 1002 // stack: ..., a | |
| 1003 // load a and tag | |
| 1506 | 1004 __ load_ptr(0, Otos_i); |
| 1005 __ push_ptr(Otos_i); | |
| 0 | 1006 // stack: ..., a, a |
| 1007 } | |
| 1008 | |
| 1009 | |
| 1010 void TemplateTable::dup_x1() { | |
| 1011 transition(vtos, vtos); | |
| 1012 // stack: ..., a, b | |
| 1506 | 1013 __ load_ptr( 1, G3_scratch); // get a |
| 1014 __ load_ptr( 0, Otos_l1); // get b | |
| 1015 __ store_ptr(1, Otos_l1); // put b | |
| 1016 __ store_ptr(0, G3_scratch); // put a - like swap | |
| 1017 __ push_ptr(Otos_l1); // push b | |
| 0 | 1018 // stack: ..., b, a, b |
| 1019 } | |
| 1020 | |
| 1021 | |
| 1022 void TemplateTable::dup_x2() { | |
| 1023 transition(vtos, vtos); | |
| 1024 // stack: ..., a, b, c | |
| 1025 // get c and push on stack, reuse registers | |
| 1506 | 1026 __ load_ptr( 0, G3_scratch); // get c |
| 1027 __ push_ptr(G3_scratch); // push c with tag | |
| 0 | 1028 // stack: ..., a, b, c, c (c in reg) (Lesp - 4) |
| 1029 // (stack offsets n+1 now) | |
| 1506 | 1030 __ load_ptr( 3, Otos_l1); // get a |
| 1031 __ store_ptr(3, G3_scratch); // put c at 3 | |
| 0 | 1032 // stack: ..., c, b, c, c (a in reg) |
| 1506 | 1033 __ load_ptr( 2, G3_scratch); // get b |
| 1034 __ store_ptr(2, Otos_l1); // put a at 2 | |
| 0 | 1035 // stack: ..., c, a, c, c (b in reg) |
| 1506 | 1036 __ store_ptr(1, G3_scratch); // put b at 1 |
| 0 | 1037 // stack: ..., c, a, b, c |
| 1038 } | |
| 1039 | |
| 1040 | |
| 1041 void TemplateTable::dup2() { | |
| 1042 transition(vtos, vtos); | |
| 1506 | 1043 __ load_ptr(1, G3_scratch); // get a |
| 1044 __ load_ptr(0, Otos_l1); // get b | |
| 1045 __ push_ptr(G3_scratch); // push a | |
| 1046 __ push_ptr(Otos_l1); // push b | |
| 0 | 1047 // stack: ..., a, b, a, b |
| 1048 } | |
| 1049 | |
| 1050 | |
| 1051 void TemplateTable::dup2_x1() { | |
| 1052 transition(vtos, vtos); | |
| 1053 // stack: ..., a, b, c | |
| 1506 | 1054 __ load_ptr( 1, Lscratch); // get b |
| 1055 __ load_ptr( 2, Otos_l1); // get a | |
| 1056 __ store_ptr(2, Lscratch); // put b at a | |
| 0 | 1057 // stack: ..., b, b, c |
| 1506 | 1058 __ load_ptr( 0, G3_scratch); // get c |
| 1059 __ store_ptr(1, G3_scratch); // put c at b | |
| 0 | 1060 // stack: ..., b, c, c |
| 1506 | 1061 __ store_ptr(0, Otos_l1); // put a at c |
| 0 | 1062 // stack: ..., b, c, a |
| 1506 | 1063 __ push_ptr(Lscratch); // push b |
| 1064 __ push_ptr(G3_scratch); // push c | |
| 0 | 1065 // stack: ..., b, c, a, b, c |
| 1066 } | |
| 1067 | |
| 1068 | |
| 1069 // The spec says that these types can be a mixture of category 1 (1 word) | |
| 1070 // types and/or category 2 types (long and doubles) | |
| 1071 void TemplateTable::dup2_x2() { | |
| 1072 transition(vtos, vtos); | |
| 1073 // stack: ..., a, b, c, d | |
| 1506 | 1074 __ load_ptr( 1, Lscratch); // get c |
| 1075 __ load_ptr( 3, Otos_l1); // get a | |
| 1076 __ store_ptr(3, Lscratch); // put c at 3 | |
| 1077 __ store_ptr(1, Otos_l1); // put a at 1 | |
| 0 | 1078 // stack: ..., c, b, a, d |
| 1506 | 1079 __ load_ptr( 2, G3_scratch); // get b |
| 1080 __ load_ptr( 0, Otos_l1); // get d | |
| 1081 __ store_ptr(0, G3_scratch); // put b at 0 | |
| 1082 __ store_ptr(2, Otos_l1); // put d at 2 | |
| 0 | 1083 // stack: ..., c, d, a, b |
| 1506 | 1084 __ push_ptr(Lscratch); // push c |
| 1085 __ push_ptr(Otos_l1); // push d | |
| 0 | 1086 // stack: ..., c, d, a, b, c, d |
| 1087 } | |
| 1088 | |
| 1089 | |
| 1090 void TemplateTable::swap() { | |
| 1091 transition(vtos, vtos); | |
| 1092 // stack: ..., a, b | |
| 1506 | 1093 __ load_ptr( 1, G3_scratch); // get a |
| 1094 __ load_ptr( 0, Otos_l1); // get b | |
| 1095 __ store_ptr(0, G3_scratch); // put b | |
| 1096 __ store_ptr(1, Otos_l1); // put a | |
| 0 | 1097 // stack: ..., b, a |
| 1098 } | |
| 1099 | |
| 1100 | |
| 1101 void TemplateTable::iop2(Operation op) { | |
| 1102 transition(itos, itos); | |
| 1103 __ pop_i(O1); | |
| 1104 switch (op) { | |
| 1105 case add: __ add(O1, Otos_i, Otos_i); break; | |
| 1106 case sub: __ sub(O1, Otos_i, Otos_i); break; | |
| 1107 // %%%%% Mul may not exist: better to call .mul? | |
| 1108 case mul: __ smul(O1, Otos_i, Otos_i); break; | |
| 1506 | 1109 case _and: __ and3(O1, Otos_i, Otos_i); break; |
| 1110 case _or: __ or3(O1, Otos_i, Otos_i); break; | |
| 1111 case _xor: __ xor3(O1, Otos_i, Otos_i); break; | |
| 0 | 1112 case shl: __ sll(O1, Otos_i, Otos_i); break; |
| 1113 case shr: __ sra(O1, Otos_i, Otos_i); break; | |
| 1114 case ushr: __ srl(O1, Otos_i, Otos_i); break; | |
| 1115 default: ShouldNotReachHere(); | |
| 1116 } | |
| 1117 } | |
| 1118 | |
| 1119 | |
| 1120 void TemplateTable::lop2(Operation op) { | |
| 1121 transition(ltos, ltos); | |
| 1122 __ pop_l(O2); | |
| 1123 switch (op) { | |
| 1124 #ifdef _LP64 | |
| 1506 | 1125 case add: __ add(O2, Otos_l, Otos_l); break; |
| 1126 case sub: __ sub(O2, Otos_l, Otos_l); break; | |
| 1127 case _and: __ and3(O2, Otos_l, Otos_l); break; | |
| 1128 case _or: __ or3(O2, Otos_l, Otos_l); break; | |
| 1129 case _xor: __ xor3(O2, Otos_l, Otos_l); break; | |
| 0 | 1130 #else |
| 1131 case add: __ addcc(O3, Otos_l2, Otos_l2); __ addc(O2, Otos_l1, Otos_l1); break; | |
| 1132 case sub: __ subcc(O3, Otos_l2, Otos_l2); __ subc(O2, Otos_l1, Otos_l1); break; | |
| 1506 | 1133 case _and: __ and3(O3, Otos_l2, Otos_l2); __ and3(O2, Otos_l1, Otos_l1); break; |
| 1134 case _or: __ or3(O3, Otos_l2, Otos_l2); __ or3(O2, Otos_l1, Otos_l1); break; | |
| 1135 case _xor: __ xor3(O3, Otos_l2, Otos_l2); __ xor3(O2, Otos_l1, Otos_l1); break; | |
| 0 | 1136 #endif |
| 1137 default: ShouldNotReachHere(); | |
| 1138 } | |
| 1139 } | |
| 1140 | |
| 1141 | |
| 1142 void TemplateTable::idiv() { | |
| 1143 // %%%%% Later: ForSPARC/V7 call .sdiv library routine, | |
| 1144 // %%%%% Use ldsw...sdivx on pure V9 ABI. 64 bit safe. | |
| 1145 | |
| 1146 transition(itos, itos); | |
| 1147 __ pop_i(O1); // get 1st op | |
| 1148 | |
| 1149 // Y contains upper 32 bits of result, set it to 0 or all ones | |
| 1150 __ wry(G0); | |
| 1151 __ mov(~0, G3_scratch); | |
| 1152 | |
| 1153 __ tst(O1); | |
| 1154 Label neg; | |
| 1155 __ br(Assembler::negative, true, Assembler::pn, neg); | |
| 1156 __ delayed()->wry(G3_scratch); | |
| 1157 __ bind(neg); | |
| 1158 | |
| 1159 Label ok; | |
| 1160 __ tst(Otos_i); | |
| 1161 __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch ); | |
| 1162 | |
| 1163 const int min_int = 0x80000000; | |
| 1164 Label regular; | |
| 1165 __ cmp(Otos_i, -1); | |
| 1166 __ br(Assembler::notEqual, false, Assembler::pt, regular); | |
| 1167 #ifdef _LP64 | |
| 1168 // Don't put set in delay slot | |
| 1169 // Set will turn into multiple instructions in 64 bit mode | |
| 1170 __ delayed()->nop(); | |
| 1171 __ set(min_int, G4_scratch); | |
| 1172 #else | |
| 1173 __ delayed()->set(min_int, G4_scratch); | |
| 1174 #endif | |
| 1175 Label done; | |
| 1176 __ cmp(O1, G4_scratch); | |
| 1177 __ br(Assembler::equal, true, Assembler::pt, done); | |
| 1178 __ delayed()->mov(O1, Otos_i); // (mov only executed if branch taken) | |
| 1179 | |
| 1180 __ bind(regular); | |
| 1181 __ sdiv(O1, Otos_i, Otos_i); // note: irem uses O1 after this instruction! | |
| 1182 __ bind(done); | |
| 1183 } | |
| 1184 | |
| 1185 | |
| 1186 void TemplateTable::irem() { | |
| 1187 transition(itos, itos); | |
| 1188 __ mov(Otos_i, O2); // save divisor | |
| 1189 idiv(); // %%%% Hack: exploits fact that idiv leaves dividend in O1 | |
| 1190 __ smul(Otos_i, O2, Otos_i); | |
| 1191 __ sub(O1, Otos_i, Otos_i); | |
| 1192 } | |
| 1193 | |
| 1194 | |
| 1195 void TemplateTable::lmul() { | |
| 1196 transition(ltos, ltos); | |
| 1197 __ pop_l(O2); | |
| 1198 #ifdef _LP64 | |
| 1199 __ mulx(Otos_l, O2, Otos_l); | |
| 1200 #else | |
| 1201 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lmul)); | |
| 1202 #endif | |
| 1203 | |
| 1204 } | |
| 1205 | |
| 1206 | |
| 1207 void TemplateTable::ldiv() { | |
| 1208 transition(ltos, ltos); | |
| 1209 | |
| 1210 // check for zero | |
| 1211 __ pop_l(O2); | |
| 1212 #ifdef _LP64 | |
| 1213 __ tst(Otos_l); | |
| 1214 __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
| 1215 __ sdivx(O2, Otos_l, Otos_l); | |
| 1216 #else | |
| 1217 __ orcc(Otos_l1, Otos_l2, G0); | |
| 1218 __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
| 1219 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::ldiv)); | |
| 1220 #endif | |
| 1221 } | |
| 1222 | |
| 1223 | |
| 1224 void TemplateTable::lrem() { | |
| 1225 transition(ltos, ltos); | |
| 1226 | |
| 1227 // check for zero | |
| 1228 __ pop_l(O2); | |
| 1229 #ifdef _LP64 | |
| 1230 __ tst(Otos_l); | |
| 1231 __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
| 1232 __ sdivx(O2, Otos_l, Otos_l2); | |
| 1233 __ mulx (Otos_l2, Otos_l, Otos_l2); | |
| 1234 __ sub (O2, Otos_l2, Otos_l); | |
| 1235 #else | |
| 1236 __ orcc(Otos_l1, Otos_l2, G0); | |
| 1237 __ throw_if_not_icc(Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
| 1238 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lrem)); | |
| 1239 #endif | |
| 1240 } | |
| 1241 | |
| 1242 | |
| 1243 void TemplateTable::lshl() { | |
| 1244 transition(itos, ltos); // %%%% could optimize, fill delay slot or opt for ultra | |
| 1245 | |
| 1246 __ pop_l(O2); // shift value in O2, O3 | |
| 1247 #ifdef _LP64 | |
| 1248 __ sllx(O2, Otos_i, Otos_l); | |
| 1249 #else | |
| 1250 __ lshl(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
| 1251 #endif | |
| 1252 } | |
| 1253 | |
| 1254 | |
| 1255 void TemplateTable::lshr() { | |
| 1256 transition(itos, ltos); // %%%% see lshl comment | |
| 1257 | |
| 1258 __ pop_l(O2); // shift value in O2, O3 | |
| 1259 #ifdef _LP64 | |
| 1260 __ srax(O2, Otos_i, Otos_l); | |
| 1261 #else | |
| 1262 __ lshr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
| 1263 #endif | |
| 1264 } | |
| 1265 | |
| 1266 | |
| 1267 | |
| 1268 void TemplateTable::lushr() { | |
| 1269 transition(itos, ltos); // %%%% see lshl comment | |
| 1270 | |
| 1271 __ pop_l(O2); // shift value in O2, O3 | |
| 1272 #ifdef _LP64 | |
| 1273 __ srlx(O2, Otos_i, Otos_l); | |
| 1274 #else | |
| 1275 __ lushr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
| 1276 #endif | |
| 1277 } | |
| 1278 | |
| 1279 | |
| 1280 void TemplateTable::fop2(Operation op) { | |
| 1281 transition(ftos, ftos); | |
| 1282 switch (op) { | |
| 1283 case add: __ pop_f(F4); __ fadd(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
| 1284 case sub: __ pop_f(F4); __ fsub(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
| 1285 case mul: __ pop_f(F4); __ fmul(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
| 1286 case div: __ pop_f(F4); __ fdiv(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
| 1287 case rem: | |
| 1288 assert(Ftos_f == F0, "just checking"); | |
| 1289 #ifdef _LP64 | |
| 1290 // LP64 calling conventions use F1, F3 for passing 2 floats | |
| 1291 __ pop_f(F1); | |
| 1292 __ fmov(FloatRegisterImpl::S, Ftos_f, F3); | |
| 1293 #else | |
| 1294 __ pop_i(O0); | |
| 1295 __ stf(FloatRegisterImpl::S, Ftos_f, __ d_tmp); | |
| 1296 __ ld( __ d_tmp, O1 ); | |
| 1297 #endif | |
| 1298 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::frem)); | |
| 1299 assert( Ftos_f == F0, "fix this code" ); | |
| 1300 break; | |
| 1301 | |
| 1302 default: ShouldNotReachHere(); | |
| 1303 } | |
| 1304 } | |
| 1305 | |
| 1306 | |
| 1307 void TemplateTable::dop2(Operation op) { | |
| 1308 transition(dtos, dtos); | |
| 1309 switch (op) { | |
| 1310 case add: __ pop_d(F4); __ fadd(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
| 1311 case sub: __ pop_d(F4); __ fsub(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
| 1312 case mul: __ pop_d(F4); __ fmul(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
| 1313 case div: __ pop_d(F4); __ fdiv(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
| 1314 case rem: | |
| 1315 #ifdef _LP64 | |
| 1316 // Pass arguments in D0, D2 | |
| 1317 __ fmov(FloatRegisterImpl::D, Ftos_f, F2 ); | |
| 1318 __ pop_d( F0 ); | |
| 1319 #else | |
| 1320 // Pass arguments in O0O1, O2O3 | |
| 1321 __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); | |
| 1322 __ ldd( __ d_tmp, O2 ); | |
| 1323 __ pop_d(Ftos_f); | |
| 1324 __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); | |
| 1325 __ ldd( __ d_tmp, O0 ); | |
| 1326 #endif | |
| 1327 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::drem)); | |
| 1328 assert( Ftos_d == F0, "fix this code" ); | |
| 1329 break; | |
| 1330 | |
| 1331 default: ShouldNotReachHere(); | |
| 1332 } | |
| 1333 } | |
| 1334 | |
| 1335 | |
| 1336 void TemplateTable::ineg() { | |
| 1337 transition(itos, itos); | |
| 1338 __ neg(Otos_i); | |
| 1339 } | |
| 1340 | |
| 1341 | |
| 1342 void TemplateTable::lneg() { | |
| 1343 transition(ltos, ltos); | |
| 1344 #ifdef _LP64 | |
| 1345 __ sub(G0, Otos_l, Otos_l); | |
| 1346 #else | |
| 1347 __ lneg(Otos_l1, Otos_l2); | |
| 1348 #endif | |
| 1349 } | |
| 1350 | |
| 1351 | |
| 1352 void TemplateTable::fneg() { | |
| 1353 transition(ftos, ftos); | |
| 10997 | 1354 __ fneg(FloatRegisterImpl::S, Ftos_f, Ftos_f); |
| 0 | 1355 } |
| 1356 | |
| 1357 | |
| 1358 void TemplateTable::dneg() { | |
| 1359 transition(dtos, dtos); | |
| 10997 | 1360 __ fneg(FloatRegisterImpl::D, Ftos_f, Ftos_f); |
| 0 | 1361 } |
| 1362 | |
| 1363 | |
| 1364 void TemplateTable::iinc() { | |
| 1365 transition(vtos, vtos); | |
| 1366 locals_index(G3_scratch); | |
| 1367 __ ldsb(Lbcp, 2, O2); // load constant | |
| 1368 __ access_local_int(G3_scratch, Otos_i); | |
| 1369 __ add(Otos_i, O2, Otos_i); | |
| 1506 | 1370 __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
| 0 | 1371 } |
| 1372 | |
| 1373 | |
| 1374 void TemplateTable::wide_iinc() { | |
| 1375 transition(vtos, vtos); | |
| 1376 locals_index_wide(G3_scratch); | |
| 1377 __ get_2_byte_integer_at_bcp( 4, O2, O3, InterpreterMacroAssembler::Signed); | |
| 1378 __ access_local_int(G3_scratch, Otos_i); | |
| 1379 __ add(Otos_i, O3, Otos_i); | |
| 1506 | 1380 __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
| 0 | 1381 } |
| 1382 | |
| 1383 | |
| 1384 void TemplateTable::convert() { | |
| 1385 // %%%%% Factor this first part accross platforms | |
| 1386 #ifdef ASSERT | |
| 1387 TosState tos_in = ilgl; | |
| 1388 TosState tos_out = ilgl; | |
| 1389 switch (bytecode()) { | |
| 1390 case Bytecodes::_i2l: // fall through | |
| 1391 case Bytecodes::_i2f: // fall through | |
| 1392 case Bytecodes::_i2d: // fall through | |
| 1393 case Bytecodes::_i2b: // fall through | |
| 1394 case Bytecodes::_i2c: // fall through | |
| 1395 case Bytecodes::_i2s: tos_in = itos; break; | |
| 1396 case Bytecodes::_l2i: // fall through | |
| 1397 case Bytecodes::_l2f: // fall through | |
| 1398 case Bytecodes::_l2d: tos_in = ltos; break; | |
| 1399 case Bytecodes::_f2i: // fall through | |
| 1400 case Bytecodes::_f2l: // fall through | |
| 1401 case Bytecodes::_f2d: tos_in = ftos; break; | |
| 1402 case Bytecodes::_d2i: // fall through | |
| 1403 case Bytecodes::_d2l: // fall through | |
| 1404 case Bytecodes::_d2f: tos_in = dtos; break; | |
| 1405 default : ShouldNotReachHere(); | |
| 1406 } | |
| 1407 switch (bytecode()) { | |
| 1408 case Bytecodes::_l2i: // fall through | |
| 1409 case Bytecodes::_f2i: // fall through | |
| 1410 case Bytecodes::_d2i: // fall through | |
| 1411 case Bytecodes::_i2b: // fall through | |
| 1412 case Bytecodes::_i2c: // fall through | |
| 1413 case Bytecodes::_i2s: tos_out = itos; break; | |
| 1414 case Bytecodes::_i2l: // fall through | |
| 1415 case Bytecodes::_f2l: // fall through | |
| 1416 case Bytecodes::_d2l: tos_out = ltos; break; | |
| 1417 case Bytecodes::_i2f: // fall through | |
| 1418 case Bytecodes::_l2f: // fall through | |
| 1419 case Bytecodes::_d2f: tos_out = ftos; break; | |
| 1420 case Bytecodes::_i2d: // fall through | |
| 1421 case Bytecodes::_l2d: // fall through | |
| 1422 case Bytecodes::_f2d: tos_out = dtos; break; | |
| 1423 default : ShouldNotReachHere(); | |
| 1424 } | |
| 1425 transition(tos_in, tos_out); | |
| 1426 #endif | |
| 1427 | |
| 1428 | |
| 1429 // Conversion | |
| 1430 Label done; | |
| 1431 switch (bytecode()) { | |
| 1432 case Bytecodes::_i2l: | |
| 1433 #ifdef _LP64 | |
| 1434 // Sign extend the 32 bits | |
| 1435 __ sra ( Otos_i, 0, Otos_l ); | |
| 1436 #else | |
| 1437 __ addcc(Otos_i, 0, Otos_l2); | |
| 1438 __ br(Assembler::greaterEqual, true, Assembler::pt, done); | |
| 1439 __ delayed()->clr(Otos_l1); | |
| 1440 __ set(~0, Otos_l1); | |
| 1441 #endif | |
| 1442 break; | |
| 1443 | |
| 1444 case Bytecodes::_i2f: | |
| 1445 __ st(Otos_i, __ d_tmp ); | |
| 1446 __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); | |
| 1447 __ fitof(FloatRegisterImpl::S, F0, Ftos_f); | |
| 1448 break; | |
| 1449 | |
| 1450 case Bytecodes::_i2d: | |
| 1451 __ st(Otos_i, __ d_tmp); | |
| 1452 __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); | |
| 1453 __ fitof(FloatRegisterImpl::D, F0, Ftos_f); | |
| 1454 break; | |
| 1455 | |
| 1456 case Bytecodes::_i2b: | |
| 1457 __ sll(Otos_i, 24, Otos_i); | |
| 1458 __ sra(Otos_i, 24, Otos_i); | |
| 1459 break; | |
| 1460 | |
| 1461 case Bytecodes::_i2c: | |
| 1462 __ sll(Otos_i, 16, Otos_i); | |
| 1463 __ srl(Otos_i, 16, Otos_i); | |
| 1464 break; | |
| 1465 | |
| 1466 case Bytecodes::_i2s: | |
| 1467 __ sll(Otos_i, 16, Otos_i); | |
| 1468 __ sra(Otos_i, 16, Otos_i); | |
| 1469 break; | |
| 1470 | |
| 1471 case Bytecodes::_l2i: | |
| 1472 #ifndef _LP64 | |
| 1473 __ mov(Otos_l2, Otos_i); | |
| 1474 #else | |
| 1475 // Sign-extend into the high 32 bits | |
| 1476 __ sra(Otos_l, 0, Otos_i); | |
| 1477 #endif | |
| 1478 break; | |
| 1479 | |
| 1480 case Bytecodes::_l2f: | |
| 1481 case Bytecodes::_l2d: | |
| 1482 __ st_long(Otos_l, __ d_tmp); | |
| 1483 __ ldf(FloatRegisterImpl::D, __ d_tmp, Ftos_d); | |
| 1484 | |
| 10997 | 1485 if (bytecode() == Bytecodes::_l2f) { |
| 1486 __ fxtof(FloatRegisterImpl::S, Ftos_d, Ftos_f); | |
| 0 | 1487 } else { |
| 10997 | 1488 __ fxtof(FloatRegisterImpl::D, Ftos_d, Ftos_d); |
| 0 | 1489 } |
| 1490 break; | |
| 1491 | |
| 1492 case Bytecodes::_f2i: { | |
| 1493 Label isNaN; | |
| 1494 // result must be 0 if value is NaN; test by comparing value to itself | |
| 1495 __ fcmp(FloatRegisterImpl::S, Assembler::fcc0, Ftos_f, Ftos_f); | |
| 1496 __ fb(Assembler::f_unordered, true, Assembler::pn, isNaN); | |
| 1497 __ delayed()->clr(Otos_i); // NaN | |
| 1498 __ ftoi(FloatRegisterImpl::S, Ftos_f, F30); | |
| 1499 __ stf(FloatRegisterImpl::S, F30, __ d_tmp); | |
| 1500 __ ld(__ d_tmp, Otos_i); | |
| 1501 __ bind(isNaN); | |
| 1502 } | |
| 1503 break; | |
| 1504 | |
| 1505 case Bytecodes::_f2l: | |
| 1506 // must uncache tos | |
| 1507 __ push_f(); | |
| 1508 #ifdef _LP64 | |
| 1509 __ pop_f(F1); | |
| 1510 #else | |
| 1511 __ pop_i(O0); | |
| 1512 #endif | |
| 1513 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::f2l)); | |
| 1514 break; | |
| 1515 | |
| 1516 case Bytecodes::_f2d: | |
| 1517 __ ftof( FloatRegisterImpl::S, FloatRegisterImpl::D, Ftos_f, Ftos_f); | |
| 1518 break; | |
| 1519 | |
| 1520 case Bytecodes::_d2i: | |
| 1521 case Bytecodes::_d2l: | |
| 1522 // must uncache tos | |
| 1523 __ push_d(); | |
| 1524 #ifdef _LP64 | |
| 1525 // LP64 calling conventions pass first double arg in D0 | |
| 1526 __ pop_d( Ftos_d ); | |
| 1527 #else | |
| 1528 __ pop_i( O0 ); | |
| 1529 __ pop_i( O1 ); | |
| 1530 #endif | |
| 1531 __ call_VM_leaf(Lscratch, | |
| 1532 bytecode() == Bytecodes::_d2i | |
| 1533 ? CAST_FROM_FN_PTR(address, SharedRuntime::d2i) | |
| 1534 : CAST_FROM_FN_PTR(address, SharedRuntime::d2l)); | |
| 1535 break; | |
| 1536 | |
| 1537 case Bytecodes::_d2f: | |
| 1538 __ ftof( FloatRegisterImpl::D, FloatRegisterImpl::S, Ftos_d, Ftos_f); | |
| 1539 break; | |
| 1540 | |
| 1541 default: ShouldNotReachHere(); | |
| 1542 } | |
| 1543 __ bind(done); | |
| 1544 } | |
| 1545 | |
| 1546 | |
| 1547 void TemplateTable::lcmp() { | |
| 1548 transition(ltos, itos); | |
| 1549 | |
| 1550 #ifdef _LP64 | |
| 1551 __ pop_l(O1); // pop off value 1, value 2 is in O0 | |
| 1552 __ lcmp( O1, Otos_l, Otos_i ); | |
| 1553 #else | |
| 1554 __ pop_l(O2); // cmp O2,3 to O0,1 | |
| 1555 __ lcmp( O2, O3, Otos_l1, Otos_l2, Otos_i ); | |
| 1556 #endif | |
| 1557 } | |
| 1558 | |
| 1559 | |
| 1560 void TemplateTable::float_cmp(bool is_float, int unordered_result) { | |
| 1561 | |
| 1562 if (is_float) __ pop_f(F2); | |
| 1563 else __ pop_d(F2); | |
| 1564 | |
| 1565 assert(Ftos_f == F0 && Ftos_d == F0, "alias checking:"); | |
| 1566 | |
| 1567 __ float_cmp( is_float, unordered_result, F2, F0, Otos_i ); | |
| 1568 } | |
| 1569 | |
| 1570 void TemplateTable::branch(bool is_jsr, bool is_wide) { | |
| 1571 // Note: on SPARC, we use InterpreterMacroAssembler::if_cmp also. | |
| 1572 __ verify_thread(); | |
| 1573 | |
| 1574 const Register O2_bumped_count = O2; | |
| 1575 __ profile_taken_branch(G3_scratch, O2_bumped_count); | |
| 1576 | |
| 1577 // get (wide) offset to O1_disp | |
| 1578 const Register O1_disp = O1; | |
| 1579 if (is_wide) __ get_4_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::set_CC); | |
| 1580 else __ get_2_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::Signed, InterpreterMacroAssembler::set_CC); | |
| 1581 | |
| 1582 // Handle all the JSR stuff here, then exit. | |
| 1583 // It's much shorter and cleaner than intermingling with the | |
| 605 | 1584 // non-JSR normal-branch stuff occurring below. |
| 0 | 1585 if( is_jsr ) { |
| 1586 // compute return address as bci in Otos_i | |
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1587 __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
| 0 | 1588 __ sub(Lbcp, G3_scratch, G3_scratch); |
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1589 __ sub(G3_scratch, in_bytes(ConstMethod::codes_offset()) - (is_wide ? 5 : 3), Otos_i); |
| 0 | 1590 |
| 1591 // Bump Lbcp to target of JSR | |
| 1592 __ add(Lbcp, O1_disp, Lbcp); | |
| 1593 // Push returnAddress for "ret" on stack | |
| 1506 | 1594 __ push_ptr(Otos_i); |
| 0 | 1595 // And away we go! |
| 1596 __ dispatch_next(vtos); | |
| 1597 return; | |
| 1598 } | |
| 1599 | |
| 1600 // Normal (non-jsr) branch handling | |
| 1601 | |
| 1602 // Save the current Lbcp | |
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1603 const Register l_cur_bcp = Lscratch; |
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1604 __ mov( Lbcp, l_cur_bcp ); |
| 1783 | 1605 |
| 0 | 1606 bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter; |
| 1607 if ( increment_invocation_counter_for_backward_branches ) { | |
| 1608 Label Lforward; | |
| 1609 // check branch direction | |
| 1610 __ br( Assembler::positive, false, Assembler::pn, Lforward ); | |
| 1611 // Bump bytecode pointer by displacement (take the branch) | |
| 1612 __ delayed()->add( O1_disp, Lbcp, Lbcp ); // add to bc addr | |
| 1613 | |
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1614 const Register Rcounters = G3_scratch; |
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1615 __ get_method_counters(Lmethod, Rcounters, Lforward); |
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1616 |
| 1783 | 1617 if (TieredCompilation) { |
| 1618 Label Lno_mdo, Loverflow; | |
| 1619 int increment = InvocationCounter::count_increment; | |
| 1620 int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
| 1621 if (ProfileInterpreter) { | |
| 1622 // If no method data exists, go to profile_continue. | |
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1623 __ ld_ptr(Lmethod, Method::method_data_offset(), G4_scratch); |
| 3839 | 1624 __ br_null_short(G4_scratch, Assembler::pn, Lno_mdo); |
| 1783 | 1625 |
| 1626 // Increment backedge counter in the MDO | |
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1627 Address mdo_backedge_counter(G4_scratch, in_bytes(MethodData::backedge_counter_offset()) + |
| 1783 | 1628 in_bytes(InvocationCounter::counter_offset())); |
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1629 __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, G3_scratch, O0, |
| 1783 | 1630 Assembler::notZero, &Lforward); |
| 3839 | 1631 __ ba_short(Loverflow); |
| 0 | 1632 } |
| 1783 | 1633 |
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1634 // If there's no MDO, increment counter in MethodCounters* |
| 1783 | 1635 __ bind(Lno_mdo); |
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1636 Address backedge_counter(Rcounters, |
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1637 in_bytes(MethodCounters::backedge_counter_offset()) + |
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1638 in_bytes(InvocationCounter::counter_offset())); |
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1639 __ increment_mask_and_jump(backedge_counter, increment, mask, G4_scratch, O0, |
| 1783 | 1640 Assembler::notZero, &Lforward); |
| 1641 __ bind(Loverflow); | |
| 1642 | |
| 1643 // notify point for loop, pass branch bytecode | |
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1644 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), l_cur_bcp); |
| 1783 | 1645 |
| 1646 // Was an OSR adapter generated? | |
| 1647 // O0 = osr nmethod | |
| 3839 | 1648 __ br_null_short(O0, Assembler::pn, Lforward); |
| 1783 | 1649 |
| 1650 // Has the nmethod been invalidated already? | |
| 1651 __ ld(O0, nmethod::entry_bci_offset(), O2); | |
| 3839 | 1652 __ cmp_and_br_short(O2, InvalidOSREntryBci, Assembler::equal, Assembler::pn, Lforward); |
| 1783 | 1653 |
| 1654 // migrate the interpreter frame off of the stack | |
| 1655 | |
| 1656 __ mov(G2_thread, L7); | |
| 1657 // save nmethod | |
| 1658 __ mov(O0, L6); | |
| 1659 __ set_last_Java_frame(SP, noreg); | |
| 1660 __ call_VM_leaf(noreg, CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), L7); | |
| 1661 __ reset_last_Java_frame(); | |
| 1662 __ mov(L7, G2_thread); | |
| 1663 | |
| 1664 // move OSR nmethod to I1 | |
| 1665 __ mov(L6, I1); | |
| 1666 | |
| 1667 // OSR buffer to I0 | |
| 1668 __ mov(O0, I0); | |
| 1669 | |
| 1670 // remove the interpreter frame | |
| 1671 __ restore(I5_savedSP, 0, SP); | |
| 1672 | |
| 1673 // Jump to the osr code. | |
| 1674 __ ld_ptr(O1, nmethod::osr_entry_point_offset(), O2); | |
| 1675 __ jmp(O2, G0); | |
| 1676 __ delayed()->nop(); | |
| 1677 | |
| 0 | 1678 } else { |
| 1783 | 1679 // Update Backedge branch separately from invocations |
| 1680 const Register G4_invoke_ctr = G4; | |
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1681 __ increment_backedge_counter(Rcounters, G4_invoke_ctr, G1_scratch); |
| 1783 | 1682 if (ProfileInterpreter) { |
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1683 __ test_invocation_counter_for_mdp(G4_invoke_ctr, G3_scratch, Lforward); |
| 1783 | 1684 if (UseOnStackReplacement) { |
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1685 __ test_backedge_count_for_osr(O2_bumped_count, l_cur_bcp, G3_scratch); |
| 1783 | 1686 } |
| 1687 } else { | |
| 1688 if (UseOnStackReplacement) { | |
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1689 __ test_backedge_count_for_osr(G4_invoke_ctr, l_cur_bcp, G3_scratch); |
| 1783 | 1690 } |
| 0 | 1691 } |
| 1692 } | |
| 1693 | |
| 1694 __ bind(Lforward); | |
| 1695 } else | |
| 1696 // Bump bytecode pointer by displacement (take the branch) | |
| 1697 __ add( O1_disp, Lbcp, Lbcp );// add to bc addr | |
| 1698 | |
| 1699 // continue with bytecode @ target | |
| 1700 // %%%%% Like Intel, could speed things up by moving bytecode fetch to code above, | |
| 1701 // %%%%% and changing dispatch_next to dispatch_only | |
| 1702 __ dispatch_next(vtos); | |
| 1703 } | |
| 1704 | |
| 1705 | |
| 1706 // Note Condition in argument is TemplateTable::Condition | |
| 1707 // arg scope is within class scope | |
| 1708 | |
| 1709 void TemplateTable::if_0cmp(Condition cc) { | |
| 1710 // no pointers, integer only! | |
| 1711 transition(itos, vtos); | |
| 1712 // assume branch is more often taken than not (loops use backward branches) | |
| 1713 __ cmp( Otos_i, 0); | |
| 1714 __ if_cmp(ccNot(cc), false); | |
| 1715 } | |
| 1716 | |
| 1717 | |
| 1718 void TemplateTable::if_icmp(Condition cc) { | |
| 1719 transition(itos, vtos); | |
| 1720 __ pop_i(O1); | |
| 1721 __ cmp(O1, Otos_i); | |
| 1722 __ if_cmp(ccNot(cc), false); | |
| 1723 } | |
| 1724 | |
| 1725 | |
| 1726 void TemplateTable::if_nullcmp(Condition cc) { | |
| 1727 transition(atos, vtos); | |
| 1728 __ tst(Otos_i); | |
| 1729 __ if_cmp(ccNot(cc), true); | |
| 1730 } | |
| 1731 | |
| 1732 | |
| 1733 void TemplateTable::if_acmp(Condition cc) { | |
| 1734 transition(atos, vtos); | |
| 1735 __ pop_ptr(O1); | |
| 1736 __ verify_oop(O1); | |
| 1737 __ verify_oop(Otos_i); | |
| 1738 __ cmp(O1, Otos_i); | |
| 1739 __ if_cmp(ccNot(cc), true); | |
| 1740 } | |
| 1741 | |
| 1742 | |
| 1743 | |
| 1744 void TemplateTable::ret() { | |
| 1745 transition(vtos, vtos); | |
| 1746 locals_index(G3_scratch); | |
| 1747 __ access_local_returnAddress(G3_scratch, Otos_i); | |
| 1748 // Otos_i contains the bci, compute the bcp from that | |
| 1749 | |
| 1750 #ifdef _LP64 | |
| 1751 #ifdef ASSERT | |
| 1752 // jsr result was labeled as an 'itos' not an 'atos' because we cannot GC | |
| 1753 // the result. The return address (really a BCI) was stored with an | |
| 1754 // 'astore' because JVM specs claim it's a pointer-sized thing. Hence in | |
| 1755 // the 64-bit build the 32-bit BCI is actually in the low bits of a 64-bit | |
| 1756 // loaded value. | |
| 1757 { Label zzz ; | |
| 1758 __ set (65536, G3_scratch) ; | |
| 1759 __ cmp (Otos_i, G3_scratch) ; | |
| 1760 __ bp( Assembler::lessEqualUnsigned, false, Assembler::xcc, Assembler::pn, zzz); | |
| 1761 __ delayed()->nop(); | |
| 1762 __ stop("BCI is in the wrong register half?"); | |
| 1763 __ bind (zzz) ; | |
| 1764 } | |
| 1765 #endif | |
| 1766 #endif | |
| 1767 | |
| 1768 __ profile_ret(vtos, Otos_i, G4_scratch); | |
| 1769 | |
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1770 __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
| 0 | 1771 __ add(G3_scratch, Otos_i, G3_scratch); |
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1772 __ add(G3_scratch, in_bytes(ConstMethod::codes_offset()), Lbcp); |
| 0 | 1773 __ dispatch_next(vtos); |
| 1774 } | |
| 1775 | |
| 1776 | |
| 1777 void TemplateTable::wide_ret() { | |
| 1778 transition(vtos, vtos); | |
| 1779 locals_index_wide(G3_scratch); | |
| 1780 __ access_local_returnAddress(G3_scratch, Otos_i); | |
| 1781 // Otos_i contains the bci, compute the bcp from that | |
| 1782 | |
| 1783 __ profile_ret(vtos, Otos_i, G4_scratch); | |
| 1784 | |
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1785 __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
| 0 | 1786 __ add(G3_scratch, Otos_i, G3_scratch); |
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1787 __ add(G3_scratch, in_bytes(ConstMethod::codes_offset()), Lbcp); |
| 0 | 1788 __ dispatch_next(vtos); |
| 1789 } | |
| 1790 | |
| 1791 | |
| 1792 void TemplateTable::tableswitch() { | |
| 1793 transition(itos, vtos); | |
| 1794 Label default_case, continue_execution; | |
| 1795 | |
| 1796 // align bcp | |
| 1797 __ add(Lbcp, BytesPerInt, O1); | |
| 1798 __ and3(O1, -BytesPerInt, O1); | |
| 1799 // load lo, hi | |
| 1800 __ ld(O1, 1 * BytesPerInt, O2); // Low Byte | |
| 1801 __ ld(O1, 2 * BytesPerInt, O3); // High Byte | |
| 1802 #ifdef _LP64 | |
| 1803 // Sign extend the 32 bits | |
| 1804 __ sra ( Otos_i, 0, Otos_i ); | |
| 1805 #endif /* _LP64 */ | |
| 1806 | |
| 1807 // check against lo & hi | |
| 1808 __ cmp( Otos_i, O2); | |
| 1809 __ br( Assembler::less, false, Assembler::pn, default_case); | |
| 1810 __ delayed()->cmp( Otos_i, O3 ); | |
| 1811 __ br( Assembler::greater, false, Assembler::pn, default_case); | |
| 1812 // lookup dispatch offset | |
| 1813 __ delayed()->sub(Otos_i, O2, O2); | |
| 1814 __ profile_switch_case(O2, O3, G3_scratch, G4_scratch); | |
| 1815 __ sll(O2, LogBytesPerInt, O2); | |
| 1816 __ add(O2, 3 * BytesPerInt, O2); | |
| 3839 | 1817 __ ba(continue_execution); |
| 0 | 1818 __ delayed()->ld(O1, O2, O2); |
| 1819 // handle default | |
| 1820 __ bind(default_case); | |
| 1821 __ profile_switch_default(O3); | |
| 1822 __ ld(O1, 0, O2); // get default offset | |
| 1823 // continue execution | |
| 1824 __ bind(continue_execution); | |
| 1825 __ add(Lbcp, O2, Lbcp); | |
| 1826 __ dispatch_next(vtos); | |
| 1827 } | |
| 1828 | |
| 1829 | |
| 1830 void TemplateTable::lookupswitch() { | |
| 1831 transition(itos, itos); | |
| 1832 __ stop("lookupswitch bytecode should have been rewritten"); | |
| 1833 } | |
| 1834 | |
| 1835 void TemplateTable::fast_linearswitch() { | |
| 1836 transition(itos, vtos); | |
| 1837 Label loop_entry, loop, found, continue_execution; | |
| 1838 // align bcp | |
| 1839 __ add(Lbcp, BytesPerInt, O1); | |
| 1840 __ and3(O1, -BytesPerInt, O1); | |
| 1841 // set counter | |
| 1842 __ ld(O1, BytesPerInt, O2); | |
| 1843 __ sll(O2, LogBytesPerInt + 1, O2); // in word-pairs | |
| 1844 __ add(O1, 2 * BytesPerInt, O3); // set first pair addr | |
| 3839 | 1845 __ ba(loop_entry); |
| 0 | 1846 __ delayed()->add(O3, O2, O2); // counter now points past last pair |
| 1847 | |
| 1848 // table search | |
| 1849 __ bind(loop); | |
| 1850 __ cmp(O4, Otos_i); | |
| 1851 __ br(Assembler::equal, true, Assembler::pn, found); | |
| 1852 __ delayed()->ld(O3, BytesPerInt, O4); // offset -> O4 | |
| 1853 __ inc(O3, 2 * BytesPerInt); | |
| 1854 | |
| 1855 __ bind(loop_entry); | |
| 1856 __ cmp(O2, O3); | |
| 1857 __ brx(Assembler::greaterUnsigned, true, Assembler::pt, loop); | |
| 1858 __ delayed()->ld(O3, 0, O4); | |
| 1859 | |
| 1860 // default case | |
| 1861 __ ld(O1, 0, O4); // get default offset | |
| 1862 if (ProfileInterpreter) { | |
| 1863 __ profile_switch_default(O3); | |
| 3839 | 1864 __ ba_short(continue_execution); |
| 0 | 1865 } |
| 1866 | |
| 1867 // entry found -> get offset | |
| 1868 __ bind(found); | |
| 1869 if (ProfileInterpreter) { | |
| 1870 __ sub(O3, O1, O3); | |
| 1871 __ sub(O3, 2*BytesPerInt, O3); | |
| 1872 __ srl(O3, LogBytesPerInt + 1, O3); // in word-pairs | |
| 1873 __ profile_switch_case(O3, O1, O2, G3_scratch); | |
| 1874 | |
| 1875 __ bind(continue_execution); | |
| 1876 } | |
| 1877 __ add(Lbcp, O4, Lbcp); | |
| 1878 __ dispatch_next(vtos); | |
| 1879 } | |
| 1880 | |
| 1881 | |
| 1882 void TemplateTable::fast_binaryswitch() { | |
| 1883 transition(itos, vtos); | |
| 1884 // Implementation using the following core algorithm: (copied from Intel) | |
| 1885 // | |
| 1886 // int binary_search(int key, LookupswitchPair* array, int n) { | |
| 1887 // // Binary search according to "Methodik des Programmierens" by | |
| 1888 // // Edsger W. Dijkstra and W.H.J. Feijen, Addison Wesley Germany 1985. | |
| 1889 // int i = 0; | |
| 1890 // int j = n; | |
| 1891 // while (i+1 < j) { | |
| 1892 // // invariant P: 0 <= i < j <= n and (a[i] <= key < a[j] or Q) | |
| 1893 // // with Q: for all i: 0 <= i < n: key < a[i] | |
| 1894 // // where a stands for the array and assuming that the (inexisting) | |
| 1895 // // element a[n] is infinitely big. | |
| 1896 // int h = (i + j) >> 1; | |
| 1897 // // i < h < j | |
| 1898 // if (key < array[h].fast_match()) { | |
| 1899 // j = h; | |
| 1900 // } else { | |
| 1901 // i = h; | |
| 1902 // } | |
| 1903 // } | |
| 1904 // // R: a[i] <= key < a[i+1] or Q | |
| 1905 // // (i.e., if key is within array, i is the correct index) | |
| 1906 // return i; | |
| 1907 // } | |
| 1908 | |
| 1909 // register allocation | |
| 1910 assert(Otos_i == O0, "alias checking"); | |
| 1911 const Register Rkey = Otos_i; // already set (tosca) | |
| 1912 const Register Rarray = O1; | |
| 1913 const Register Ri = O2; | |
| 1914 const Register Rj = O3; | |
| 1915 const Register Rh = O4; | |
| 1916 const Register Rscratch = O5; | |
| 1917 | |
| 1918 const int log_entry_size = 3; | |
| 1919 const int entry_size = 1 << log_entry_size; | |
| 1920 | |
| 1921 Label found; | |
| 1922 // Find Array start | |
| 1923 __ add(Lbcp, 3 * BytesPerInt, Rarray); | |
| 1924 __ and3(Rarray, -BytesPerInt, Rarray); | |
| 1925 // initialize i & j (in delay slot) | |
| 1926 __ clr( Ri ); | |
| 1927 | |
| 1928 // and start | |
| 1929 Label entry; | |
| 3839 | 1930 __ ba(entry); |
| 0 | 1931 __ delayed()->ld( Rarray, -BytesPerInt, Rj); |
| 1932 // (Rj is already in the native byte-ordering.) | |
| 1933 | |
| 1934 // binary search loop | |
| 1935 { Label loop; | |
| 1936 __ bind( loop ); | |
| 1937 // int h = (i + j) >> 1; | |
| 1938 __ sra( Rh, 1, Rh ); | |
| 1939 // if (key < array[h].fast_match()) { | |
| 1940 // j = h; | |
| 1941 // } else { | |
| 1942 // i = h; | |
| 1943 // } | |
| 1944 __ sll( Rh, log_entry_size, Rscratch ); | |
| 1945 __ ld( Rarray, Rscratch, Rscratch ); | |
| 1946 // (Rscratch is already in the native byte-ordering.) | |
| 1947 __ cmp( Rkey, Rscratch ); | |
| 10997 | 1948 __ movcc( Assembler::less, false, Assembler::icc, Rh, Rj ); // j = h if (key < array[h].fast_match()) |
| 1949 __ movcc( Assembler::greaterEqual, false, Assembler::icc, Rh, Ri ); // i = h if (key >= array[h].fast_match()) | |
| 0 | 1950 |
| 1951 // while (i+1 < j) | |
| 1952 __ bind( entry ); | |
| 1953 __ add( Ri, 1, Rscratch ); | |
| 1954 __ cmp(Rscratch, Rj); | |
| 1955 __ br( Assembler::less, true, Assembler::pt, loop ); | |
| 1956 __ delayed()->add( Ri, Rj, Rh ); // start h = i + j >> 1; | |
| 1957 } | |
| 1958 | |
| 1959 // end of binary search, result index is i (must check again!) | |
| 1960 Label default_case; | |
| 1961 Label continue_execution; | |
| 1962 if (ProfileInterpreter) { | |
| 1963 __ mov( Ri, Rh ); // Save index in i for profiling | |
| 1964 } | |
| 1965 __ sll( Ri, log_entry_size, Ri ); | |
| 1966 __ ld( Rarray, Ri, Rscratch ); | |
| 1967 // (Rscratch is already in the native byte-ordering.) | |
| 1968 __ cmp( Rkey, Rscratch ); | |
| 1969 __ br( Assembler::notEqual, true, Assembler::pn, default_case ); | |
| 1970 __ delayed()->ld( Rarray, -2 * BytesPerInt, Rj ); // load default offset -> j | |
| 1971 | |
| 1972 // entry found -> j = offset | |
| 1973 __ inc( Ri, BytesPerInt ); | |
| 1974 __ profile_switch_case(Rh, Rj, Rscratch, Rkey); | |
| 1975 __ ld( Rarray, Ri, Rj ); | |
| 1976 // (Rj is already in the native byte-ordering.) | |
| 1977 | |
| 1978 if (ProfileInterpreter) { | |
| 3839 | 1979 __ ba_short(continue_execution); |
| 0 | 1980 } |
| 1981 | |
| 1982 __ bind(default_case); // fall through (if not profiling) | |
| 1983 __ profile_switch_default(Ri); | |
| 1984 | |
| 1985 __ bind(continue_execution); | |
| 1986 __ add( Lbcp, Rj, Lbcp ); | |
| 1987 __ dispatch_next( vtos ); | |
| 1988 } | |
| 1989 | |
| 1990 | |
| 1991 void TemplateTable::_return(TosState state) { | |
| 1992 transition(state, state); | |
| 1993 assert(_desc->calls_vm(), "inconsistent calls_vm information"); | |
| 1994 | |
| 1995 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) { | |
| 1996 assert(state == vtos, "only valid state"); | |
| 1997 __ mov(G0, G3_scratch); | |
| 1998 __ access_local_ptr(G3_scratch, Otos_i); | |
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1999 __ load_klass(Otos_i, O2); |
| 0 | 2000 __ set(JVM_ACC_HAS_FINALIZER, G3); |
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2001 __ ld(O2, in_bytes(Klass::access_flags_offset()), O2); |
| 0 | 2002 __ andcc(G3, O2, G0); |
| 2003 Label skip_register_finalizer; | |
| 2004 __ br(Assembler::zero, false, Assembler::pn, skip_register_finalizer); | |
| 2005 __ delayed()->nop(); | |
| 2006 | |
| 2007 // Call out to do finalizer registration | |
| 2008 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), Otos_i); | |
| 2009 | |
| 2010 __ bind(skip_register_finalizer); | |
| 2011 } | |
| 2012 | |
| 23614 | 2013 // Narrow result if state is itos but result type is smaller. |
| 2014 // Need to narrow in the return bytecode rather than in generate_return_entry | |
| 2015 // since compiled code callers expect the result to already be narrowed. | |
| 2016 if (state == itos) { | |
| 2017 __ narrow(Otos_i); | |
| 2018 } | |
| 0 | 2019 __ remove_activation(state, /* throw_monitor_exception */ true); |
| 2020 | |
| 2021 // The caller's SP was adjusted upon method entry to accomodate | |
| 2022 // the callee's non-argument locals. Undo that adjustment. | |
| 2023 __ ret(); // return to caller | |
| 2024 __ delayed()->restore(I5_savedSP, G0, SP); | |
| 2025 } | |
| 2026 | |
| 2027 | |
| 2028 // ---------------------------------------------------------------------------- | |
| 2029 // Volatile variables demand their effects be made known to all CPU's in | |
| 2030 // order. Store buffers on most chips allow reads & writes to reorder; the | |
| 2031 // JMM's ReadAfterWrite.java test fails in -Xint mode without some kind of | |
| 2032 // memory barrier (i.e., it's not sufficient that the interpreter does not | |
| 2033 // reorder volatile references, the hardware also must not reorder them). | |
| 2034 // | |
| 2035 // According to the new Java Memory Model (JMM): | |
| 2036 // (1) All volatiles are serialized wrt to each other. | |
| 2037 // ALSO reads & writes act as aquire & release, so: | |
| 2038 // (2) A read cannot let unrelated NON-volatile memory refs that happen after | |
| 2039 // the read float up to before the read. It's OK for non-volatile memory refs | |
| 2040 // that happen before the volatile read to float down below it. | |
| 2041 // (3) Similar a volatile write cannot let unrelated NON-volatile memory refs | |
| 2042 // that happen BEFORE the write float down to after the write. It's OK for | |
| 2043 // non-volatile memory refs that happen after the volatile write to float up | |
| 2044 // before it. | |
| 2045 // | |
| 2046 // We only put in barriers around volatile refs (they are expensive), not | |
| 2047 // _between_ memory refs (that would require us to track the flavor of the | |
| 2048 // previous memory refs). Requirements (2) and (3) require some barriers | |
| 2049 // before volatile stores and after volatile loads. These nearly cover | |
| 2050 // requirement (1) but miss the volatile-store-volatile-load case. This final | |
| 2051 // case is placed after volatile-stores although it could just as well go | |
| 2052 // before volatile-loads. | |
| 2053 void TemplateTable::volatile_barrier(Assembler::Membar_mask_bits order_constraint) { | |
| 2054 // Helper function to insert a is-volatile test and memory barrier | |
| 2055 // All current sparc implementations run in TSO, needing only StoreLoad | |
| 2056 if ((order_constraint & Assembler::StoreLoad) == 0) return; | |
| 2057 __ membar( order_constraint ); | |
| 2058 } | |
| 2059 | |
| 2060 // ---------------------------------------------------------------------------- | |
| 1565 | 2061 void TemplateTable::resolve_cache_and_index(int byte_no, |
| 2062 Register Rcache, | |
| 2063 Register index, | |
| 2064 size_t index_size) { | |
| 0 | 2065 // Depends on cpCacheOop layout! |
| 2066 Label resolved; | |
| 2067 | |
| 1565 | 2068 assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
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2069 __ get_cache_and_index_and_bytecode_at_bcp(Rcache, index, Lbyte_code, byte_no, 1, index_size); |
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2070 __ cmp(Lbyte_code, (int) bytecode()); // have we resolved this bytecode? |
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2071 __ br(Assembler::equal, false, Assembler::pt, resolved); |
| 1503 | 2072 __ delayed()->set((int)bytecode(), O1); |
| 0 | 2073 |
| 2074 address entry; | |
| 2075 switch (bytecode()) { | |
| 2076 case Bytecodes::_getstatic : // fall through | |
| 2077 case Bytecodes::_putstatic : // fall through | |
| 2078 case Bytecodes::_getfield : // fall through | |
| 2079 case Bytecodes::_putfield : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_get_put); break; | |
| 2080 case Bytecodes::_invokevirtual : // fall through | |
| 2081 case Bytecodes::_invokespecial : // fall through | |
| 2082 case Bytecodes::_invokestatic : // fall through | |
| 2083 case Bytecodes::_invokeinterface: entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); break; | |
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2084 case Bytecodes::_invokehandle : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokehandle); break; |
| 1503 | 2085 case Bytecodes::_invokedynamic : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); break; |
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2086 default: |
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2087 fatal(err_msg("unexpected bytecode: %s", Bytecodes::name(bytecode()))); |
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2088 break; |
| 0 | 2089 } |
| 2090 // first time invocation - must resolve first | |
| 2091 __ call_VM(noreg, entry, O1); | |
| 2092 // Update registers with resolved info | |
| 1565 | 2093 __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
| 0 | 2094 __ bind(resolved); |
| 2095 } | |
| 2096 | |
| 2097 void TemplateTable::load_invoke_cp_cache_entry(int byte_no, | |
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2098 Register method, |
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2099 Register itable_index, |
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2100 Register flags, |
| 0 | 2101 bool is_invokevirtual, |
| 1565 | 2102 bool is_invokevfinal, |
| 2103 bool is_invokedynamic) { | |
| 0 | 2104 // Uses both G3_scratch and G4_scratch |
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2105 Register cache = G3_scratch; |
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2106 Register index = G4_scratch; |
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2107 assert_different_registers(cache, method, itable_index); |
| 0 | 2108 |
| 2109 // determine constant pool cache field offsets | |
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2110 assert(is_invokevirtual == (byte_no == f2_byte), "is_invokevirtual flag redundant"); |
| 0 | 2111 const int method_offset = in_bytes( |
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2112 ConstantPoolCache::base_offset() + |
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2113 ((byte_no == f2_byte) |
| 0 | 2114 ? ConstantPoolCacheEntry::f2_offset() |
| 2115 : ConstantPoolCacheEntry::f1_offset() | |
| 2116 ) | |
| 2117 ); | |
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2118 const int flags_offset = in_bytes(ConstantPoolCache::base_offset() + |
| 0 | 2119 ConstantPoolCacheEntry::flags_offset()); |
| 2120 // access constant pool cache fields | |
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2121 const int index_offset = in_bytes(ConstantPoolCache::base_offset() + |
| 0 | 2122 ConstantPoolCacheEntry::f2_offset()); |
| 2123 | |
| 2124 if (is_invokevfinal) { | |
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2125 __ get_cache_and_index_at_bcp(cache, index, 1); |
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2126 __ ld_ptr(Address(cache, method_offset), method); |
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2127 } else { |
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2128 size_t index_size = (is_invokedynamic ? sizeof(u4) : sizeof(u2)); |
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2129 resolve_cache_and_index(byte_no, cache, index, index_size); |
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2130 __ ld_ptr(Address(cache, method_offset), method); |
| 0 | 2131 } |
| 2132 | |
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2133 if (itable_index != noreg) { |
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2134 // pick up itable or appendix index from f2 also: |
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2135 __ ld_ptr(Address(cache, index_offset), itable_index); |
| 0 | 2136 } |
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2137 __ ld_ptr(Address(cache, flags_offset), flags); |
| 0 | 2138 } |
| 2139 | |
| 2140 // The Rcache register must be set before call | |
| 2141 void TemplateTable::load_field_cp_cache_entry(Register Robj, | |
| 2142 Register Rcache, | |
| 2143 Register index, | |
| 2144 Register Roffset, | |
| 2145 Register Rflags, | |
| 2146 bool is_static) { | |
| 2147 assert_different_registers(Rcache, Rflags, Roffset); | |
| 2148 | |
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2149 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
| 0 | 2150 |
| 727 | 2151 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
| 2152 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); | |
| 0 | 2153 if (is_static) { |
| 727 | 2154 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f1_offset(), Robj); |
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2155 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
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2156 __ ld_ptr( Robj, mirror_offset, Robj); |
| 0 | 2157 } |
| 2158 } | |
| 2159 | |
| 2160 // The registers Rcache and index expected to be set before call. | |
| 2161 // Correct values of the Rcache and index registers are preserved. | |
| 2162 void TemplateTable::jvmti_post_field_access(Register Rcache, | |
| 2163 Register index, | |
| 2164 bool is_static, | |
| 2165 bool has_tos) { | |
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2166 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
| 0 | 2167 |
| 2168 if (JvmtiExport::can_post_field_access()) { | |
| 2169 // Check to see if a field access watch has been set before we take | |
| 2170 // the time to call into the VM. | |
| 2171 Label Label1; | |
| 2172 assert_different_registers(Rcache, index, G1_scratch); | |
| 727 | 2173 AddressLiteral get_field_access_count_addr(JvmtiExport::get_field_access_count_addr()); |
| 0 | 2174 __ load_contents(get_field_access_count_addr, G1_scratch); |
| 3839 | 2175 __ cmp_and_br_short(G1_scratch, 0, Assembler::equal, Assembler::pt, Label1); |
| 0 | 2176 |
| 2177 __ add(Rcache, in_bytes(cp_base_offset), Rcache); | |
| 2178 | |
| 2179 if (is_static) { | |
| 2180 __ clr(Otos_i); | |
| 2181 } else { | |
| 2182 if (has_tos) { | |
| 2183 // save object pointer before call_VM() clobbers it | |
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2184 __ push_ptr(Otos_i); // put object on tos where GC wants it. |
| 0 | 2185 } else { |
| 2186 // Load top of stack (do not pop the value off the stack); | |
| 2187 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); | |
| 2188 } | |
| 2189 __ verify_oop(Otos_i); | |
| 2190 } | |
| 2191 // Otos_i: object pointer or NULL if static | |
| 2192 // Rcache: cache entry pointer | |
| 2193 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_access), | |
| 2194 Otos_i, Rcache); | |
| 2195 if (!is_static && has_tos) { | |
|
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2196 __ pop_ptr(Otos_i); // restore object pointer |
| 0 | 2197 __ verify_oop(Otos_i); |
| 2198 } | |
| 2199 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
| 2200 __ bind(Label1); | |
| 2201 } | |
| 2202 } | |
| 2203 | |
| 2204 void TemplateTable::getfield_or_static(int byte_no, bool is_static) { | |
| 2205 transition(vtos, vtos); | |
| 2206 | |
| 2207 Register Rcache = G3_scratch; | |
| 2208 Register index = G4_scratch; | |
| 2209 Register Rclass = Rcache; | |
| 2210 Register Roffset= G4_scratch; | |
| 2211 Register Rflags = G1_scratch; | |
|
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2212 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
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2213 |
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2214 resolve_cache_and_index(byte_no, Rcache, index, sizeof(u2)); |
| 0 | 2215 jvmti_post_field_access(Rcache, index, is_static, false); |
| 2216 load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); | |
| 2217 | |
| 2218 if (!is_static) { | |
| 2219 pop_and_check_object(Rclass); | |
| 2220 } else { | |
| 2221 __ verify_oop(Rclass); | |
| 2222 } | |
| 2223 | |
| 2224 Label exit; | |
| 2225 | |
| 2226 Assembler::Membar_mask_bits membar_bits = | |
| 2227 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
| 2228 | |
| 2229 if (__ membar_has_effect(membar_bits)) { | |
| 2230 // Get volatile flag | |
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2231 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
| 0 | 2232 __ and3(Rflags, Lscratch, Lscratch); |
| 2233 } | |
| 2234 | |
| 2235 Label checkVolatile; | |
| 2236 | |
| 2237 // compute field type | |
| 23614 | 2238 Label notByte, notBool, notInt, notShort, notChar, notLong, notFloat, notObj; |
|
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2239 __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
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2240 // Make sure we don't need to mask Rflags after the above shift |
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2241 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 0 | 2242 |
| 2243 // Check atos before itos for getstatic, more likely (in Queens at least) | |
| 2244 __ cmp(Rflags, atos); | |
| 2245 __ br(Assembler::notEqual, false, Assembler::pt, notObj); | |
| 2246 __ delayed() ->cmp(Rflags, itos); | |
| 2247 | |
| 2248 // atos | |
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2249 __ load_heap_oop(Rclass, Roffset, Otos_i); |
| 0 | 2250 __ verify_oop(Otos_i); |
| 2251 __ push(atos); | |
| 2252 if (!is_static) { | |
| 2253 patch_bytecode(Bytecodes::_fast_agetfield, G3_scratch, G4_scratch); | |
| 2254 } | |
| 3839 | 2255 __ ba(checkVolatile); |
| 0 | 2256 __ delayed()->tst(Lscratch); |
| 2257 | |
| 2258 __ bind(notObj); | |
| 2259 | |
| 2260 // cmp(Rflags, itos); | |
| 2261 __ br(Assembler::notEqual, false, Assembler::pt, notInt); | |
| 2262 __ delayed() ->cmp(Rflags, ltos); | |
| 2263 | |
| 2264 // itos | |
| 2265 __ ld(Rclass, Roffset, Otos_i); | |
| 2266 __ push(itos); | |
| 2267 if (!is_static) { | |
| 2268 patch_bytecode(Bytecodes::_fast_igetfield, G3_scratch, G4_scratch); | |
| 2269 } | |
| 3839 | 2270 __ ba(checkVolatile); |
| 0 | 2271 __ delayed()->tst(Lscratch); |
| 2272 | |
| 2273 __ bind(notInt); | |
| 2274 | |
| 2275 // cmp(Rflags, ltos); | |
| 2276 __ br(Assembler::notEqual, false, Assembler::pt, notLong); | |
| 2277 __ delayed() ->cmp(Rflags, btos); | |
| 2278 | |
| 2279 // ltos | |
| 2280 // load must be atomic | |
| 2281 __ ld_long(Rclass, Roffset, Otos_l); | |
| 2282 __ push(ltos); | |
| 2283 if (!is_static) { | |
| 2284 patch_bytecode(Bytecodes::_fast_lgetfield, G3_scratch, G4_scratch); | |
| 2285 } | |
| 3839 | 2286 __ ba(checkVolatile); |
| 0 | 2287 __ delayed()->tst(Lscratch); |
| 2288 | |
| 2289 __ bind(notLong); | |
| 2290 | |
| 2291 // cmp(Rflags, btos); | |
| 2292 __ br(Assembler::notEqual, false, Assembler::pt, notByte); | |
| 23614 | 2293 __ delayed() ->cmp(Rflags, ztos); |
| 0 | 2294 |
| 2295 // btos | |
| 2296 __ ldsb(Rclass, Roffset, Otos_i); | |
| 2297 __ push(itos); | |
| 2298 if (!is_static) { | |
| 2299 patch_bytecode(Bytecodes::_fast_bgetfield, G3_scratch, G4_scratch); | |
| 2300 } | |
| 3839 | 2301 __ ba(checkVolatile); |
| 0 | 2302 __ delayed()->tst(Lscratch); |
| 2303 | |
| 2304 __ bind(notByte); | |
| 2305 | |
| 23614 | 2306 // cmp(Rflags, ztos); |
| 2307 __ br(Assembler::notEqual, false, Assembler::pt, notBool); | |
| 2308 __ delayed() ->cmp(Rflags, ctos); | |
| 2309 | |
| 2310 // ztos | |
| 2311 __ ldsb(Rclass, Roffset, Otos_i); | |
| 2312 __ push(itos); | |
| 2313 if (!is_static) { | |
| 2314 // use btos rewriting, no truncating to t/f bit is needed for getfield. | |
| 2315 patch_bytecode(Bytecodes::_fast_bgetfield, G3_scratch, G4_scratch); | |
| 2316 } | |
| 2317 __ ba(checkVolatile); | |
| 2318 __ delayed()->tst(Lscratch); | |
| 2319 | |
| 2320 __ bind(notBool); | |
| 2321 | |
| 0 | 2322 // cmp(Rflags, ctos); |
| 2323 __ br(Assembler::notEqual, false, Assembler::pt, notChar); | |
| 2324 __ delayed() ->cmp(Rflags, stos); | |
| 2325 | |
| 2326 // ctos | |
| 2327 __ lduh(Rclass, Roffset, Otos_i); | |
| 2328 __ push(itos); | |
| 2329 if (!is_static) { | |
| 2330 patch_bytecode(Bytecodes::_fast_cgetfield, G3_scratch, G4_scratch); | |
| 2331 } | |
| 3839 | 2332 __ ba(checkVolatile); |
| 0 | 2333 __ delayed()->tst(Lscratch); |
| 2334 | |
| 2335 __ bind(notChar); | |
| 2336 | |
| 2337 // cmp(Rflags, stos); | |
| 2338 __ br(Assembler::notEqual, false, Assembler::pt, notShort); | |
| 2339 __ delayed() ->cmp(Rflags, ftos); | |
| 2340 | |
| 2341 // stos | |
| 2342 __ ldsh(Rclass, Roffset, Otos_i); | |
| 2343 __ push(itos); | |
| 2344 if (!is_static) { | |
| 2345 patch_bytecode(Bytecodes::_fast_sgetfield, G3_scratch, G4_scratch); | |
| 2346 } | |
| 3839 | 2347 __ ba(checkVolatile); |
| 0 | 2348 __ delayed()->tst(Lscratch); |
| 2349 | |
| 2350 __ bind(notShort); | |
| 2351 | |
| 2352 | |
| 2353 // cmp(Rflags, ftos); | |
| 2354 __ br(Assembler::notEqual, false, Assembler::pt, notFloat); | |
| 2355 __ delayed() ->tst(Lscratch); | |
| 2356 | |
| 2357 // ftos | |
| 2358 __ ldf(FloatRegisterImpl::S, Rclass, Roffset, Ftos_f); | |
| 2359 __ push(ftos); | |
| 2360 if (!is_static) { | |
| 2361 patch_bytecode(Bytecodes::_fast_fgetfield, G3_scratch, G4_scratch); | |
| 2362 } | |
| 3839 | 2363 __ ba(checkVolatile); |
| 0 | 2364 __ delayed()->tst(Lscratch); |
| 2365 | |
| 2366 __ bind(notFloat); | |
| 2367 | |
| 2368 | |
| 2369 // dtos | |
| 2370 __ ldf(FloatRegisterImpl::D, Rclass, Roffset, Ftos_d); | |
| 2371 __ push(dtos); | |
| 2372 if (!is_static) { | |
| 2373 patch_bytecode(Bytecodes::_fast_dgetfield, G3_scratch, G4_scratch); | |
| 2374 } | |
| 2375 | |
| 2376 __ bind(checkVolatile); | |
| 2377 if (__ membar_has_effect(membar_bits)) { | |
| 2378 // __ tst(Lscratch); executed in delay slot | |
| 2379 __ br(Assembler::zero, false, Assembler::pt, exit); | |
| 2380 __ delayed()->nop(); | |
| 2381 volatile_barrier(membar_bits); | |
| 2382 } | |
| 2383 | |
| 2384 __ bind(exit); | |
| 2385 } | |
| 2386 | |
| 2387 | |
| 2388 void TemplateTable::getfield(int byte_no) { | |
| 2389 getfield_or_static(byte_no, false); | |
| 2390 } | |
| 2391 | |
| 2392 void TemplateTable::getstatic(int byte_no) { | |
| 2393 getfield_or_static(byte_no, true); | |
| 2394 } | |
| 2395 | |
| 2396 | |
| 2397 void TemplateTable::fast_accessfield(TosState state) { | |
| 2398 transition(atos, state); | |
| 2399 Register Rcache = G3_scratch; | |
| 2400 Register index = G4_scratch; | |
| 2401 Register Roffset = G4_scratch; | |
| 2402 Register Rflags = Rcache; | |
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2403 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
| 0 | 2404 |
| 2405 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
| 2406 jvmti_post_field_access(Rcache, index, /*is_static*/false, /*has_tos*/true); | |
| 2407 | |
| 727 | 2408 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
| 0 | 2409 |
| 2410 __ null_check(Otos_i); | |
| 2411 __ verify_oop(Otos_i); | |
| 2412 | |
| 2413 Label exit; | |
| 2414 | |
| 2415 Assembler::Membar_mask_bits membar_bits = | |
| 2416 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
| 2417 if (__ membar_has_effect(membar_bits)) { | |
| 2418 // Get volatile flag | |
| 727 | 2419 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Rflags); |
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2420 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
| 0 | 2421 } |
| 2422 | |
| 2423 switch (bytecode()) { | |
| 2424 case Bytecodes::_fast_bgetfield: | |
| 2425 __ ldsb(Otos_i, Roffset, Otos_i); | |
| 2426 break; | |
| 2427 case Bytecodes::_fast_cgetfield: | |
| 2428 __ lduh(Otos_i, Roffset, Otos_i); | |
| 2429 break; | |
| 2430 case Bytecodes::_fast_sgetfield: | |
| 2431 __ ldsh(Otos_i, Roffset, Otos_i); | |
| 2432 break; | |
| 2433 case Bytecodes::_fast_igetfield: | |
| 2434 __ ld(Otos_i, Roffset, Otos_i); | |
| 2435 break; | |
| 2436 case Bytecodes::_fast_lgetfield: | |
| 2437 __ ld_long(Otos_i, Roffset, Otos_l); | |
| 2438 break; | |
| 2439 case Bytecodes::_fast_fgetfield: | |
| 2440 __ ldf(FloatRegisterImpl::S, Otos_i, Roffset, Ftos_f); | |
| 2441 break; | |
| 2442 case Bytecodes::_fast_dgetfield: | |
| 2443 __ ldf(FloatRegisterImpl::D, Otos_i, Roffset, Ftos_d); | |
| 2444 break; | |
| 2445 case Bytecodes::_fast_agetfield: | |
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2446 __ load_heap_oop(Otos_i, Roffset, Otos_i); |
| 0 | 2447 break; |
| 2448 default: | |
| 2449 ShouldNotReachHere(); | |
| 2450 } | |
| 2451 | |
| 2452 if (__ membar_has_effect(membar_bits)) { | |
| 2453 __ btst(Lscratch, Rflags); | |
| 2454 __ br(Assembler::zero, false, Assembler::pt, exit); | |
| 2455 __ delayed()->nop(); | |
| 2456 volatile_barrier(membar_bits); | |
| 2457 __ bind(exit); | |
| 2458 } | |
| 2459 | |
| 2460 if (state == atos) { | |
| 2461 __ verify_oop(Otos_i); // does not blow flags! | |
| 2462 } | |
| 2463 } | |
| 2464 | |
| 2465 void TemplateTable::jvmti_post_fast_field_mod() { | |
| 2466 if (JvmtiExport::can_post_field_modification()) { | |
| 2467 // Check to see if a field modification watch has been set before we take | |
| 2468 // the time to call into the VM. | |
| 2469 Label done; | |
| 727 | 2470 AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
| 0 | 2471 __ load_contents(get_field_modification_count_addr, G4_scratch); |
| 3839 | 2472 __ cmp_and_br_short(G4_scratch, 0, Assembler::equal, Assembler::pt, done); |
| 0 | 2473 __ pop_ptr(G4_scratch); // copy the object pointer from tos |
| 2474 __ verify_oop(G4_scratch); | |
| 2475 __ push_ptr(G4_scratch); // put the object pointer back on tos | |
| 2476 __ get_cache_entry_pointer_at_bcp(G1_scratch, G3_scratch, 1); | |
| 2477 // Save tos values before call_VM() clobbers them. Since we have | |
| 2478 // to do it for every data type, we use the saved values as the | |
| 2479 // jvalue object. | |
| 2480 switch (bytecode()) { // save tos values before call_VM() clobbers them | |
| 2481 case Bytecodes::_fast_aputfield: __ push_ptr(Otos_i); break; | |
| 2482 case Bytecodes::_fast_bputfield: // fall through | |
| 23614 | 2483 case Bytecodes::_fast_zputfield: // fall through |
| 0 | 2484 case Bytecodes::_fast_sputfield: // fall through |
| 2485 case Bytecodes::_fast_cputfield: // fall through | |
| 2486 case Bytecodes::_fast_iputfield: __ push_i(Otos_i); break; | |
| 2487 case Bytecodes::_fast_dputfield: __ push_d(Ftos_d); break; | |
| 2488 case Bytecodes::_fast_fputfield: __ push_f(Ftos_f); break; | |
| 2489 // get words in right order for use as jvalue object | |
| 2490 case Bytecodes::_fast_lputfield: __ push_l(Otos_l); break; | |
| 2491 } | |
| 2492 // setup pointer to jvalue object | |
| 2493 __ mov(Lesp, G3_scratch); __ inc(G3_scratch, wordSize); | |
| 2494 // G4_scratch: object pointer | |
| 2495 // G1_scratch: cache entry pointer | |
| 2496 // G3_scratch: jvalue object on the stack | |
| 2497 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), G4_scratch, G1_scratch, G3_scratch); | |
| 2498 switch (bytecode()) { // restore tos values | |
| 2499 case Bytecodes::_fast_aputfield: __ pop_ptr(Otos_i); break; | |
| 2500 case Bytecodes::_fast_bputfield: // fall through | |
| 23614 | 2501 case Bytecodes::_fast_zputfield: // fall through |
| 0 | 2502 case Bytecodes::_fast_sputfield: // fall through |
| 2503 case Bytecodes::_fast_cputfield: // fall through | |
| 2504 case Bytecodes::_fast_iputfield: __ pop_i(Otos_i); break; | |
| 2505 case Bytecodes::_fast_dputfield: __ pop_d(Ftos_d); break; | |
| 2506 case Bytecodes::_fast_fputfield: __ pop_f(Ftos_f); break; | |
| 2507 case Bytecodes::_fast_lputfield: __ pop_l(Otos_l); break; | |
| 2508 } | |
| 2509 __ bind(done); | |
| 2510 } | |
| 2511 } | |
| 2512 | |
| 2513 // The registers Rcache and index expected to be set before call. | |
| 2514 // The function may destroy various registers, just not the Rcache and index registers. | |
| 2515 void TemplateTable::jvmti_post_field_mod(Register Rcache, Register index, bool is_static) { | |
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2516 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
| 0 | 2517 |
| 2518 if (JvmtiExport::can_post_field_modification()) { | |
| 2519 // Check to see if a field modification watch has been set before we take | |
| 2520 // the time to call into the VM. | |
| 2521 Label Label1; | |
| 2522 assert_different_registers(Rcache, index, G1_scratch); | |
| 727 | 2523 AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
| 0 | 2524 __ load_contents(get_field_modification_count_addr, G1_scratch); |
| 3839 | 2525 __ cmp_and_br_short(G1_scratch, 0, Assembler::zero, Assembler::pt, Label1); |
| 0 | 2526 |
| 2527 // The Rcache and index registers have been already set. | |
| 2528 // This allows to eliminate this call but the Rcache and index | |
| 2529 // registers must be correspondingly used after this line. | |
| 2530 __ get_cache_and_index_at_bcp(G1_scratch, G4_scratch, 1); | |
| 2531 | |
| 2532 __ add(G1_scratch, in_bytes(cp_base_offset), G3_scratch); | |
| 2533 if (is_static) { | |
| 2534 // Life is simple. Null out the object pointer. | |
| 2535 __ clr(G4_scratch); | |
| 2536 } else { | |
| 2537 Register Rflags = G1_scratch; | |
| 2538 // Life is harder. The stack holds the value on top, followed by the | |
| 2539 // object. We don't know the size of the value, though; it could be | |
| 2540 // one or two words depending on its type. As a result, we must find | |
| 2541 // the type to determine where the object is. | |
| 2542 | |
| 2543 Label two_word, valsizeknown; | |
| 727 | 2544 __ ld_ptr(G1_scratch, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
| 0 | 2545 __ mov(Lesp, G4_scratch); |
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2546 __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
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2547 // Make sure we don't need to mask Rflags after the above shift |
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2548 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 0 | 2549 __ cmp(Rflags, ltos); |
| 2550 __ br(Assembler::equal, false, Assembler::pt, two_word); | |
| 2551 __ delayed()->cmp(Rflags, dtos); | |
| 2552 __ br(Assembler::equal, false, Assembler::pt, two_word); | |
| 2553 __ delayed()->nop(); | |
| 2554 __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(1)); | |
| 3839 | 2555 __ ba_short(valsizeknown); |
| 0 | 2556 __ bind(two_word); |
| 2557 | |
| 2558 __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(2)); | |
| 2559 | |
| 2560 __ bind(valsizeknown); | |
| 2561 // setup object pointer | |
| 2562 __ ld_ptr(G4_scratch, 0, G4_scratch); | |
| 2563 __ verify_oop(G4_scratch); | |
| 2564 } | |
| 2565 // setup pointer to jvalue object | |
| 2566 __ mov(Lesp, G1_scratch); __ inc(G1_scratch, wordSize); | |
| 2567 // G4_scratch: object pointer or NULL if static | |
| 2568 // G3_scratch: cache entry pointer | |
| 2569 // G1_scratch: jvalue object on the stack | |
| 2570 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), | |
| 2571 G4_scratch, G3_scratch, G1_scratch); | |
| 2572 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
| 2573 __ bind(Label1); | |
| 2574 } | |
| 2575 } | |
| 2576 | |
| 2577 void TemplateTable::pop_and_check_object(Register r) { | |
| 2578 __ pop_ptr(r); | |
| 2579 __ null_check(r); // for field access must check obj. | |
| 2580 __ verify_oop(r); | |
| 2581 } | |
| 2582 | |
| 2583 void TemplateTable::putfield_or_static(int byte_no, bool is_static) { | |
| 2584 transition(vtos, vtos); | |
| 2585 Register Rcache = G3_scratch; | |
| 2586 Register index = G4_scratch; | |
| 2587 Register Rclass = Rcache; | |
| 2588 Register Roffset= G4_scratch; | |
| 2589 Register Rflags = G1_scratch; | |
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2590 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
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2591 |
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|
2592 resolve_cache_and_index(byte_no, Rcache, index, sizeof(u2)); |
| 0 | 2593 jvmti_post_field_mod(Rcache, index, is_static); |
| 2594 load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); | |
| 2595 | |
| 2596 Assembler::Membar_mask_bits read_bits = | |
| 2597 Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); | |
| 2598 Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; | |
| 2599 | |
| 2600 Label notVolatile, checkVolatile, exit; | |
| 2601 if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { | |
|
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2602 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
| 0 | 2603 __ and3(Rflags, Lscratch, Lscratch); |
| 2604 | |
| 2605 if (__ membar_has_effect(read_bits)) { | |
| 3839 | 2606 __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
| 0 | 2607 volatile_barrier(read_bits); |
| 2608 __ bind(notVolatile); | |
| 2609 } | |
| 2610 } | |
| 2611 | |
|
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2612 __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
|
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2613 // Make sure we don't need to mask Rflags after the above shift |
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2614 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 0 | 2615 |
| 2616 // compute field type | |
| 23614 | 2617 Label notInt, notShort, notChar, notObj, notByte, notBool, notLong, notFloat; |
| 0 | 2618 |
| 2619 if (is_static) { | |
| 2620 // putstatic with object type most likely, check that first | |
|
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2621 __ cmp(Rflags, atos); |
| 0 | 2622 __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
|
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2623 __ delayed()->cmp(Rflags, itos); |
| 0 | 2624 |
| 2625 // atos | |
|
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|
2626 { |
|
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|
2627 __ pop_ptr(); |
|
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|
2628 __ verify_oop(Otos_i); |
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2629 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
|
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|
2630 __ ba(checkVolatile); |
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|
2631 __ delayed()->tst(Lscratch); |
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|
2632 } |
| 0 | 2633 |
| 2634 __ bind(notObj); | |
|
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2635 // cmp(Rflags, itos); |
| 0 | 2636 __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
|
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2637 __ delayed()->cmp(Rflags, btos); |
| 0 | 2638 |
| 2639 // itos | |
|
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|
2640 { |
|
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|
2641 __ pop_i(); |
|
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|
2642 __ st(Otos_i, Rclass, Roffset); |
|
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|
2643 __ ba(checkVolatile); |
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|
2644 __ delayed()->tst(Lscratch); |
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|
2645 } |
| 0 | 2646 |
| 2647 __ bind(notInt); | |
| 2648 } else { | |
| 2649 // putfield with int type most likely, check that first | |
|
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|
2650 __ cmp(Rflags, itos); |
| 0 | 2651 __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
|
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|
2652 __ delayed()->cmp(Rflags, atos); |
| 0 | 2653 |
| 2654 // itos | |
|
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|
2655 { |
|
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|
2656 __ pop_i(); |
|
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|
2657 pop_and_check_object(Rclass); |
|
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|
2658 __ st(Otos_i, Rclass, Roffset); |
|
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|
2659 patch_bytecode(Bytecodes::_fast_iputfield, G3_scratch, G4_scratch, true, byte_no); |
|
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|
2660 __ ba(checkVolatile); |
|
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|
2661 __ delayed()->tst(Lscratch); |
|
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|
2662 } |
| 0 | 2663 |
| 2664 __ bind(notInt); | |
|
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|
2665 // cmp(Rflags, atos); |
| 0 | 2666 __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
|
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|
2667 __ delayed()->cmp(Rflags, btos); |
| 0 | 2668 |
| 2669 // atos | |
|
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|
2670 { |
|
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|
2671 __ pop_ptr(); |
|
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|
2672 pop_and_check_object(Rclass); |
|
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|
2673 __ verify_oop(Otos_i); |
|
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|
2674 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
|
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|
2675 patch_bytecode(Bytecodes::_fast_aputfield, G3_scratch, G4_scratch, true, byte_no); |
|
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|
2676 __ ba(checkVolatile); |
|
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|
2677 __ delayed()->tst(Lscratch); |
|
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|
2678 } |
| 0 | 2679 |
| 2680 __ bind(notObj); | |
| 2681 } | |
| 2682 | |
|
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|
2683 // cmp(Rflags, btos); |
| 0 | 2684 __ br(Assembler::notEqual, false, Assembler::pt, notByte); |
| 23614 | 2685 __ delayed()->cmp(Rflags, ztos); |
| 0 | 2686 |
| 2687 // btos | |
|
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|
2688 { |
|
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|
2689 __ pop_i(); |
|
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|
2690 if (!is_static) pop_and_check_object(Rclass); |
|
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|
2691 __ stb(Otos_i, Rclass, Roffset); |
|
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|
2692 if (!is_static) { |
|
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|
2693 patch_bytecode(Bytecodes::_fast_bputfield, G3_scratch, G4_scratch, true, byte_no); |
|
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|
2694 } |
|
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|
2695 __ ba(checkVolatile); |
|
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|
2696 __ delayed()->tst(Lscratch); |
| 0 | 2697 } |
| 2698 | |
| 2699 __ bind(notByte); | |
| 23614 | 2700 |
| 2701 // cmp(Rflags, btos); | |
| 2702 __ br(Assembler::notEqual, false, Assembler::pt, notBool); | |
| 2703 __ delayed()->cmp(Rflags, ltos); | |
| 2704 | |
| 2705 // ztos | |
| 2706 { | |
| 2707 __ pop_i(); | |
| 2708 if (!is_static) pop_and_check_object(Rclass); | |
| 2709 __ and3(Otos_i, 1, Otos_i); | |
| 2710 __ stb(Otos_i, Rclass, Roffset); | |
| 2711 if (!is_static) { | |
| 2712 patch_bytecode(Bytecodes::_fast_zputfield, G3_scratch, G4_scratch, true, byte_no); | |
| 2713 } | |
| 2714 __ ba(checkVolatile); | |
| 2715 __ delayed()->tst(Lscratch); | |
| 2716 } | |
| 2717 | |
| 2718 __ bind(notBool); | |
|
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|
2719 // cmp(Rflags, ltos); |
| 0 | 2720 __ br(Assembler::notEqual, false, Assembler::pt, notLong); |
|
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|
2721 __ delayed()->cmp(Rflags, ctos); |
| 0 | 2722 |
| 2723 // ltos | |
|
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|
2724 { |
|
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|
2725 __ pop_l(); |
|
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|
2726 if (!is_static) pop_and_check_object(Rclass); |
|
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|
2727 __ st_long(Otos_l, Rclass, Roffset); |
|
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|
2728 if (!is_static) { |
|
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|
2729 patch_bytecode(Bytecodes::_fast_lputfield, G3_scratch, G4_scratch, true, byte_no); |
|
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|
2730 } |
|
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|
2731 __ ba(checkVolatile); |
|
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|
2732 __ delayed()->tst(Lscratch); |
| 0 | 2733 } |
| 2734 | |
| 2735 __ bind(notLong); | |
|
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|
2736 // cmp(Rflags, ctos); |
| 0 | 2737 __ br(Assembler::notEqual, false, Assembler::pt, notChar); |
|
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|
2738 __ delayed()->cmp(Rflags, stos); |
| 0 | 2739 |
| 2740 // ctos (char) | |
|
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|
2741 { |
|
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|
2742 __ pop_i(); |
|
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|
2743 if (!is_static) pop_and_check_object(Rclass); |
|
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|
2744 __ sth(Otos_i, Rclass, Roffset); |
|
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|
2745 if (!is_static) { |
|
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|
2746 patch_bytecode(Bytecodes::_fast_cputfield, G3_scratch, G4_scratch, true, byte_no); |
|
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|
2747 } |
|
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|
2748 __ ba(checkVolatile); |
|
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|
2749 __ delayed()->tst(Lscratch); |
| 0 | 2750 } |
| 2751 | |
| 2752 __ bind(notChar); | |
|
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|
2753 // cmp(Rflags, stos); |
| 0 | 2754 __ br(Assembler::notEqual, false, Assembler::pt, notShort); |
|
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|
2755 __ delayed()->cmp(Rflags, ftos); |
|
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|
2756 |
|
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|
2757 // stos (short) |
|
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|
2758 { |
|
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|
2759 __ pop_i(); |
|
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|
2760 if (!is_static) pop_and_check_object(Rclass); |
|
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|
2761 __ sth(Otos_i, Rclass, Roffset); |
|
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|
2762 if (!is_static) { |
|
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|
2763 patch_bytecode(Bytecodes::_fast_sputfield, G3_scratch, G4_scratch, true, byte_no); |
|
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|
2764 } |
|
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|
2765 __ ba(checkVolatile); |
|
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|
2766 __ delayed()->tst(Lscratch); |
| 0 | 2767 } |
| 2768 | |
| 2769 __ bind(notShort); | |
|
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|
2770 // cmp(Rflags, ftos); |
| 0 | 2771 __ br(Assembler::notZero, false, Assembler::pt, notFloat); |
| 2772 __ delayed()->nop(); | |
| 2773 | |
| 2774 // ftos | |
|
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|
2775 { |
|
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|
2776 __ pop_f(); |
|
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|
2777 if (!is_static) pop_and_check_object(Rclass); |
|
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|
2778 __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); |
|
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|
2779 if (!is_static) { |
|
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|
2780 patch_bytecode(Bytecodes::_fast_fputfield, G3_scratch, G4_scratch, true, byte_no); |
|
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|
2781 } |
|
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|
2782 __ ba(checkVolatile); |
|
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2783 __ delayed()->tst(Lscratch); |
| 0 | 2784 } |
| 2785 | |
| 2786 __ bind(notFloat); | |
| 2787 | |
| 2788 // dtos | |
|
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2789 { |
|
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2790 __ pop_d(); |
|
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2791 if (!is_static) pop_and_check_object(Rclass); |
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2792 __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); |
|
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2793 if (!is_static) { |
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2794 patch_bytecode(Bytecodes::_fast_dputfield, G3_scratch, G4_scratch, true, byte_no); |
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2795 } |
| 0 | 2796 } |
| 2797 | |
| 2798 __ bind(checkVolatile); | |
| 2799 __ tst(Lscratch); | |
| 2800 | |
| 2801 if (__ membar_has_effect(write_bits)) { | |
| 2802 // __ tst(Lscratch); in delay slot | |
| 2803 __ br(Assembler::zero, false, Assembler::pt, exit); | |
| 2804 __ delayed()->nop(); | |
| 2805 volatile_barrier(Assembler::StoreLoad); | |
| 2806 __ bind(exit); | |
| 2807 } | |
| 2808 } | |
| 2809 | |
| 2810 void TemplateTable::fast_storefield(TosState state) { | |
| 2811 transition(state, vtos); | |
| 2812 Register Rcache = G3_scratch; | |
| 2813 Register Rclass = Rcache; | |
| 2814 Register Roffset= G4_scratch; | |
| 2815 Register Rflags = G1_scratch; | |
|
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2816 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
| 0 | 2817 |
| 2818 jvmti_post_fast_field_mod(); | |
| 2819 | |
| 2820 __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 1); | |
| 2821 | |
| 2822 Assembler::Membar_mask_bits read_bits = | |
| 2823 Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); | |
| 2824 Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; | |
| 2825 | |
| 2826 Label notVolatile, checkVolatile, exit; | |
| 2827 if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { | |
| 727 | 2828 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
|
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2829 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
| 0 | 2830 __ and3(Rflags, Lscratch, Lscratch); |
| 2831 if (__ membar_has_effect(read_bits)) { | |
| 3839 | 2832 __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
| 0 | 2833 volatile_barrier(read_bits); |
| 2834 __ bind(notVolatile); | |
| 2835 } | |
| 2836 } | |
| 2837 | |
| 727 | 2838 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
| 0 | 2839 pop_and_check_object(Rclass); |
| 2840 | |
| 2841 switch (bytecode()) { | |
| 23614 | 2842 case Bytecodes::_fast_zputfield: __ and3(Otos_i, 1, Otos_i); // fall through to bputfield |
| 0 | 2843 case Bytecodes::_fast_bputfield: __ stb(Otos_i, Rclass, Roffset); break; |
| 2844 case Bytecodes::_fast_cputfield: /* fall through */ | |
| 2845 case Bytecodes::_fast_sputfield: __ sth(Otos_i, Rclass, Roffset); break; | |
| 2846 case Bytecodes::_fast_iputfield: __ st(Otos_i, Rclass, Roffset); break; | |
| 2847 case Bytecodes::_fast_lputfield: __ st_long(Otos_l, Rclass, Roffset); break; | |
| 2848 case Bytecodes::_fast_fputfield: | |
| 2849 __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); | |
| 2850 break; | |
| 2851 case Bytecodes::_fast_dputfield: | |
| 2852 __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); | |
| 2853 break; | |
| 2854 case Bytecodes::_fast_aputfield: | |
|
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|
2855 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
| 0 | 2856 break; |
| 2857 default: | |
| 2858 ShouldNotReachHere(); | |
| 2859 } | |
| 2860 | |
| 2861 if (__ membar_has_effect(write_bits)) { | |
| 3839 | 2862 __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, exit); |
| 0 | 2863 volatile_barrier(Assembler::StoreLoad); |
| 2864 __ bind(exit); | |
| 2865 } | |
| 2866 } | |
| 2867 | |
| 2868 | |
| 2869 void TemplateTable::putfield(int byte_no) { | |
| 2870 putfield_or_static(byte_no, false); | |
| 2871 } | |
| 2872 | |
| 2873 void TemplateTable::putstatic(int byte_no) { | |
| 2874 putfield_or_static(byte_no, true); | |
| 2875 } | |
| 2876 | |
| 2877 | |
| 2878 void TemplateTable::fast_xaccess(TosState state) { | |
| 2879 transition(vtos, state); | |
| 2880 Register Rcache = G3_scratch; | |
| 2881 Register Roffset = G4_scratch; | |
| 2882 Register Rflags = G4_scratch; | |
| 2883 Register Rreceiver = Lscratch; | |
| 2884 | |
| 1506 | 2885 __ ld_ptr(Llocals, 0, Rreceiver); |
| 0 | 2886 |
| 2887 // access constant pool cache (is resolved) | |
| 2888 __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 2); | |
|
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2889 __ ld_ptr(Rcache, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::f2_offset(), Roffset); |
| 0 | 2890 __ add(Lbcp, 1, Lbcp); // needed to report exception at the correct bcp |
| 2891 | |
| 2892 __ verify_oop(Rreceiver); | |
| 2893 __ null_check(Rreceiver); | |
| 2894 if (state == atos) { | |
|
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2895 __ load_heap_oop(Rreceiver, Roffset, Otos_i); |
| 0 | 2896 } else if (state == itos) { |
| 2897 __ ld (Rreceiver, Roffset, Otos_i) ; | |
| 2898 } else if (state == ftos) { | |
| 2899 __ ldf(FloatRegisterImpl::S, Rreceiver, Roffset, Ftos_f); | |
| 2900 } else { | |
| 2901 ShouldNotReachHere(); | |
| 2902 } | |
| 2903 | |
| 2904 Assembler::Membar_mask_bits membar_bits = | |
| 2905 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
| 2906 if (__ membar_has_effect(membar_bits)) { | |
| 2907 | |
| 2908 // Get is_volatile value in Rflags and check if membar is needed | |
|
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2909 __ ld_ptr(Rcache, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset(), Rflags); |
| 0 | 2910 |
| 2911 // Test volatile | |
| 2912 Label notVolatile; | |
|
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2913 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
| 0 | 2914 __ btst(Rflags, Lscratch); |
| 2915 __ br(Assembler::zero, false, Assembler::pt, notVolatile); | |
| 2916 __ delayed()->nop(); | |
| 2917 volatile_barrier(membar_bits); | |
| 2918 __ bind(notVolatile); | |
| 2919 } | |
| 2920 | |
| 2921 __ interp_verify_oop(Otos_i, state, __FILE__, __LINE__); | |
| 2922 __ sub(Lbcp, 1, Lbcp); | |
| 2923 } | |
| 2924 | |
| 2925 //---------------------------------------------------------------------------------------------------- | |
| 2926 // Calls | |
| 2927 | |
| 2928 void TemplateTable::count_calls(Register method, Register temp) { | |
| 2929 // implemented elsewhere | |
| 2930 ShouldNotReachHere(); | |
| 2931 } | |
| 2932 | |
|
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2933 void TemplateTable::prepare_invoke(int byte_no, |
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2934 Register method, // linked method (or i-klass) |
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2935 Register ra, // return address |
|
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2936 Register index, // itable index, MethodType, etc. |
|
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2937 Register recv, // if caller wants to see it |
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2938 Register flags // if caller wants to test it |
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2939 ) { |
|
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2940 // determine flags |
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2941 const Bytecodes::Code code = bytecode(); |
|
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2942 const bool is_invokeinterface = code == Bytecodes::_invokeinterface; |
|
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2943 const bool is_invokedynamic = code == Bytecodes::_invokedynamic; |
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2944 const bool is_invokehandle = code == Bytecodes::_invokehandle; |
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2945 const bool is_invokevirtual = code == Bytecodes::_invokevirtual; |
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2946 const bool is_invokespecial = code == Bytecodes::_invokespecial; |
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2947 const bool load_receiver = (recv != noreg); |
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2948 assert(load_receiver == (code != Bytecodes::_invokestatic && code != Bytecodes::_invokedynamic), ""); |
|
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2949 assert(recv == noreg || recv == O0, ""); |
|
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2950 assert(flags == noreg || flags == O1, ""); |
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2951 |
|
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2952 // setup registers & access constant pool cache |
|
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2953 if (recv == noreg) recv = O0; |
|
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2954 if (flags == noreg) flags = O1; |
|
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2955 const Register temp = O2; |
|
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|
2956 assert_different_registers(method, ra, index, recv, flags, temp); |
|
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2957 |
|
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|
2958 load_invoke_cp_cache_entry(byte_no, method, index, flags, is_invokevirtual, false, is_invokedynamic); |
|
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2959 |
|
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2960 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
|
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2961 |
|
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|
2962 // maybe push appendix to arguments |
|
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|
2963 if (is_invokedynamic || is_invokehandle) { |
|
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2964 Label L_no_push; |
|
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2965 __ set((1 << ConstantPoolCacheEntry::has_appendix_shift), temp); |
|
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2966 __ btst(flags, temp); |
|
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2967 __ br(Assembler::zero, false, Assembler::pt, L_no_push); |
|
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|
2968 __ delayed()->nop(); |
|
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|
2969 // Push the appendix as a trailing parameter. |
|
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2970 // This must be done before we get the receiver, |
|
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|
2971 // since the parameter_size includes it. |
|
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2972 assert(ConstantPoolCacheEntry::_indy_resolved_references_appendix_offset == 0, "appendix expected at index+0"); |
|
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2973 __ load_resolved_reference_at_index(temp, index); |
|
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2974 __ verify_oop(temp); |
|
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2975 __ push_ptr(temp); // push appendix (MethodType, CallSite, etc.) |
|
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2976 __ bind(L_no_push); |
|
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|
2977 } |
|
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|
2978 |
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|
2979 // load receiver if needed (after appendix is pushed so parameter size is correct) |
|
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2980 if (load_receiver) { |
|
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|
2981 __ and3(flags, ConstantPoolCacheEntry::parameter_size_mask, temp); // get parameter size |
|
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|
2982 __ load_receiver(temp, recv); // __ argument_address uses Gargs but we need Lesp |
|
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|
2983 __ verify_oop(recv); |
|
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|
2984 } |
|
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|
2985 |
|
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|
2986 // compute return type |
|
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|
2987 __ srl(flags, ConstantPoolCacheEntry::tos_state_shift, ra); |
|
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2988 // Make sure we don't need to mask flags after the above shift |
|
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|
2989 ConstantPoolCacheEntry::verify_tos_state_shift(); |
|
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|
2990 // load return address |
|
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|
2991 { |
|
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|
2992 const address table_addr = (address) Interpreter::invoke_return_entry_table_for(code); |
|
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|
2993 AddressLiteral table(table_addr); |
|
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|
2994 __ set(table, temp); |
|
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|
2995 __ sll(ra, LogBytesPerWord, ra); |
|
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2996 __ ld_ptr(Address(temp, ra), ra); |
|
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|
2997 } |
|
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|
2998 } |
|
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|
2999 |
|
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|
3000 |
| 0 | 3001 void TemplateTable::generate_vtable_call(Register Rrecv, Register Rindex, Register Rret) { |
|
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922e104f179a
Fix merge of TemplateTable::generate_vtable_call for SPARC
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
18041
diff
changeset
|
3002 Register Rtemp = G4_scratch; |
| 0 | 3003 Register Rcall = Rindex; |
| 3004 assert_different_registers(Rcall, G5_method, Gargs, Rret); | |
| 3005 | |
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3006 // get target Method* & entry point |
|
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|
3007 __ lookup_virtual_method(Rrecv, Rindex, G5_method); |
| 14260 | 3008 __ profile_arguments_type(G5_method, Rcall, Gargs, true); |
| 22298 | 3009 #if INCLUDE_JVMCI |
| 10458 | 3010 __ profile_called_method(G5_method, Rtemp); |
| 3011 #endif | |
| 0 | 3012 __ call_from_interpreter(Rcall, Gargs, Rret); |
| 3013 } | |
| 3014 | |
| 3015 void TemplateTable::invokevirtual(int byte_no) { | |
| 3016 transition(vtos, vtos); | |
| 1565 | 3017 assert(byte_no == f2_byte, "use this argument"); |
| 0 | 3018 |
| 3019 Register Rscratch = G3_scratch; | |
|
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|
3020 Register Rtemp = G4_scratch; |
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|
3021 Register Rret = Lscratch; |
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|
3022 Register O0_recv = O0; |
| 0 | 3023 Label notFinal; |
| 3024 | |
| 1565 | 3025 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, true, false, false); |
| 0 | 3026 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
| 3027 | |
| 3028 // Check for vfinal | |
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|
3029 __ set((1 << ConstantPoolCacheEntry::is_vfinal_shift), G4_scratch); |
| 0 | 3030 __ btst(Rret, G4_scratch); |
| 3031 __ br(Assembler::zero, false, Assembler::pt, notFinal); | |
| 3032 __ delayed()->and3(Rret, 0xFF, G4_scratch); // gets number of parameters | |
| 3033 | |
| 3034 patch_bytecode(Bytecodes::_fast_invokevfinal, Rscratch, Rtemp); | |
| 3035 | |
| 3036 invokevfinal_helper(Rscratch, Rret); | |
| 3037 | |
| 3038 __ bind(notFinal); | |
| 3039 | |
| 3040 __ mov(G5_method, Rscratch); // better scratch register | |
|
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|
3041 __ load_receiver(G4_scratch, O0_recv); // gets receiverOop |
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changeset
|
3042 // receiver is in O0_recv |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff
changeset
|
3043 __ verify_oop(O0_recv); |
| 0 | 3044 |
| 3045 // get return address | |
|
13010
bd3237e0e18d
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
10997
diff
changeset
|
3046 AddressLiteral table(Interpreter::invoke_return_entry_table()); |
| 727 | 3047 __ set(table, Rtemp); |
|
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3048 __ srl(Rret, ConstantPoolCacheEntry::tos_state_shift, Rret); // get return type |
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3049 // Make sure we don't need to mask Rret after the above shift |
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|
3050 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 0 | 3051 __ sll(Rret, LogBytesPerWord, Rret); |
| 3052 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
| 3053 | |
| 3054 // get receiver klass | |
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3055 __ null_check(O0_recv, oopDesc::klass_offset_in_bytes()); |
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|
3056 __ load_klass(O0_recv, O0_recv); |
|
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7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents:
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diff
changeset
|
3057 __ verify_klass_ptr(O0_recv); |
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3058 |
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3059 __ profile_virtual_call(O0_recv, O4); |
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|
3060 |
|
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|
3061 generate_vtable_call(O0_recv, Rscratch, Rret); |
| 0 | 3062 } |
| 3063 | |
| 3064 void TemplateTable::fast_invokevfinal(int byte_no) { | |
| 3065 transition(vtos, vtos); | |
| 1565 | 3066 assert(byte_no == f2_byte, "use this argument"); |
| 0 | 3067 |
| 3068 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Lscratch, true, | |
| 1565 | 3069 /*is_invokevfinal*/true, false); |
| 0 | 3070 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
| 3071 invokevfinal_helper(G3_scratch, Lscratch); | |
| 3072 } | |
| 3073 | |
| 3074 void TemplateTable::invokevfinal_helper(Register Rscratch, Register Rret) { | |
| 3075 Register Rtemp = G4_scratch; | |
| 3076 | |
| 3077 // Load receiver from stack slot | |
|
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
6840
diff
changeset
|
3078 __ ld_ptr(G5_method, in_bytes(Method::const_offset()), G4_scratch); |
|
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8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
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|
3079 __ lduh(G4_scratch, in_bytes(ConstMethod::size_of_parameters_offset()), G4_scratch); |
| 0 | 3080 __ load_receiver(G4_scratch, O0); |
| 3081 | |
| 3082 // receiver NULL check | |
| 3083 __ null_check(O0); | |
| 3084 | |
| 3085 __ profile_final_call(O4); | |
| 14260 | 3086 __ profile_arguments_type(G5_method, Rscratch, Gargs, true); |
| 0 | 3087 |
| 3088 // get return address | |
|
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twisti
parents:
10997
diff
changeset
|
3089 AddressLiteral table(Interpreter::invoke_return_entry_table()); |
| 727 | 3090 __ set(table, Rtemp); |
|
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3091 __ srl(Rret, ConstantPoolCacheEntry::tos_state_shift, Rret); // get return type |
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3092 // Make sure we don't need to mask Rret after the above shift |
|
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|
3093 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 0 | 3094 __ sll(Rret, LogBytesPerWord, Rret); |
| 3095 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
| 3096 | |
| 3097 | |
| 3098 // do the call | |
| 3099 __ call_from_interpreter(Rscratch, Gargs, Rret); | |
| 3100 } | |
| 3101 | |
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3102 |
| 0 | 3103 void TemplateTable::invokespecial(int byte_no) { |
| 3104 transition(vtos, vtos); | |
| 1565 | 3105 assert(byte_no == f1_byte, "use this argument"); |
| 0 | 3106 |
|
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3107 const Register Rret = Lscratch; |
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3108 const Register O0_recv = O0; |
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3109 const Register Rscratch = G3_scratch; |
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3110 |
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|
3111 prepare_invoke(byte_no, G5_method, Rret, noreg, O0_recv); // get receiver also for null check |
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|
3112 __ null_check(O0_recv); |
| 0 | 3113 |
| 3114 // do the call | |
|
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3115 __ profile_call(O4); |
| 14260 | 3116 __ profile_arguments_type(G5_method, Rscratch, Gargs, false); |
| 0 | 3117 __ call_from_interpreter(Rscratch, Gargs, Rret); |
| 3118 } | |
| 3119 | |
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|
3120 |
| 0 | 3121 void TemplateTable::invokestatic(int byte_no) { |
| 3122 transition(vtos, vtos); | |
| 1565 | 3123 assert(byte_no == f1_byte, "use this argument"); |
| 0 | 3124 |
|
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|
3125 const Register Rret = Lscratch; |
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3126 const Register Rscratch = G3_scratch; |
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3127 |
|
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3128 prepare_invoke(byte_no, G5_method, Rret); // get f1 Method* |
| 0 | 3129 |
| 3130 // do the call | |
|
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|
3131 __ profile_call(O4); |
| 14260 | 3132 __ profile_arguments_type(G5_method, Rscratch, Gargs, false); |
| 0 | 3133 __ call_from_interpreter(Rscratch, Gargs, Rret); |
| 3134 } | |
| 3135 | |
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3136 void TemplateTable::invokeinterface_object_method(Register RKlass, |
| 0 | 3137 Register Rcall, |
| 3138 Register Rret, | |
| 3139 Register Rflags) { | |
| 3140 Register Rscratch = G4_scratch; | |
| 3141 Register Rindex = Lscratch; | |
| 3142 | |
| 3143 assert_different_registers(Rscratch, Rindex, Rret); | |
| 3144 | |
| 3145 Label notFinal; | |
| 3146 | |
| 3147 // Check for vfinal | |
|
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3148 __ set((1 << ConstantPoolCacheEntry::is_vfinal_shift), Rscratch); |
| 0 | 3149 __ btst(Rflags, Rscratch); |
| 3150 __ br(Assembler::zero, false, Assembler::pt, notFinal); | |
| 3151 __ delayed()->nop(); | |
| 3152 | |
| 3153 __ profile_final_call(O4); | |
| 3154 | |
|
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|
3155 // do the call - the index (f2) contains the Method* |
| 0 | 3156 assert_different_registers(G5_method, Gargs, Rcall); |
| 3157 __ mov(Rindex, G5_method); | |
| 14260 | 3158 __ profile_arguments_type(G5_method, Rcall, Gargs, true); |
| 0 | 3159 __ call_from_interpreter(Rcall, Gargs, Rret); |
| 3160 __ bind(notFinal); | |
| 3161 | |
|
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|
3162 __ profile_virtual_call(RKlass, O4); |
|
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6964458: Reimplement class meta-data storage to use native memory
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|
3163 generate_vtable_call(RKlass, Rindex, Rret); |
| 0 | 3164 } |
| 3165 | |
| 3166 | |
| 3167 void TemplateTable::invokeinterface(int byte_no) { | |
| 3168 transition(vtos, vtos); | |
| 1565 | 3169 assert(byte_no == f1_byte, "use this argument"); |
| 0 | 3170 |
|
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|
3171 const Register Rinterface = G1_scratch; |
|
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|
3172 const Register Rret = G3_scratch; |
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|
3173 const Register Rindex = Lscratch; |
|
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|
3174 const Register O0_recv = O0; |
|
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|
3175 const Register O1_flags = O1; |
|
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|
3176 const Register O2_Klass = O2; |
|
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|
3177 const Register Rscratch = G4_scratch; |
| 0 | 3178 assert_different_registers(Rscratch, G5_method); |
| 3179 | |
|
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|
3180 prepare_invoke(byte_no, Rinterface, Rret, Rindex, O0_recv, O1_flags); |
| 0 | 3181 |
| 3182 // get receiver klass | |
|
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|
3183 __ null_check(O0_recv, oopDesc::klass_offset_in_bytes()); |
|
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|
3184 __ load_klass(O0_recv, O2_Klass); |
| 0 | 3185 |
| 3186 // Special case of invokeinterface called for virtual method of | |
| 3187 // java.lang.Object. See cpCacheOop.cpp for details. | |
| 3188 // This code isn't produced by javac, but could be produced by | |
| 3189 // another compliant java compiler. | |
| 3190 Label notMethod; | |
|
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3191 __ set((1 << ConstantPoolCacheEntry::is_forced_virtual_shift), Rscratch); |
|
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|
3192 __ btst(O1_flags, Rscratch); |
| 0 | 3193 __ br(Assembler::zero, false, Assembler::pt, notMethod); |
| 3194 __ delayed()->nop(); | |
| 3195 | |
|
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3196 invokeinterface_object_method(O2_Klass, Rinterface, Rret, O1_flags); |
| 0 | 3197 |
| 3198 __ bind(notMethod); | |
| 3199 | |
|
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3200 __ profile_virtual_call(O2_Klass, O4); |
| 0 | 3201 |
| 3202 // | |
| 3203 // find entry point to call | |
| 3204 // | |
| 3205 | |
| 3206 // compute start of first itableOffsetEntry (which is at end of vtable) | |
|
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|
3207 const int base = InstanceKlass::vtable_start_offset() * wordSize; |
| 0 | 3208 Label search; |
|
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|
3209 Register Rtemp = O1_flags; |
|
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|
3210 |
|
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3211 __ ld(O2_Klass, InstanceKlass::vtable_length_offset() * wordSize, Rtemp); |
| 0 | 3212 if (align_object_offset(1) > 1) { |
| 3213 __ round_to(Rtemp, align_object_offset(1)); | |
| 3214 } | |
| 3215 __ sll(Rtemp, LogBytesPerWord, Rtemp); // Rscratch *= 4; | |
| 3216 if (Assembler::is_simm13(base)) { | |
| 3217 __ add(Rtemp, base, Rtemp); | |
| 3218 } else { | |
| 3219 __ set(base, Rscratch); | |
| 3220 __ add(Rscratch, Rtemp, Rtemp); | |
| 3221 } | |
|
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3222 __ add(O2_Klass, Rtemp, Rscratch); |
| 0 | 3223 |
| 3224 __ bind(search); | |
| 3225 | |
| 3226 __ ld_ptr(Rscratch, itableOffsetEntry::interface_offset_in_bytes(), Rtemp); | |
| 3227 { | |
| 3228 Label ok; | |
| 3229 | |
| 3230 // Check that entry is non-null. Null entries are probably a bytecode | |
| 605 | 3231 // problem. If the interface isn't implemented by the receiver class, |
| 0 | 3232 // the VM should throw IncompatibleClassChangeError. linkResolver checks |
| 3233 // this too but that's only if the entry isn't already resolved, so we | |
| 3234 // need to check again. | |
| 3839 | 3235 __ br_notnull_short( Rtemp, Assembler::pt, ok); |
| 0 | 3236 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError)); |
| 3237 __ should_not_reach_here(); | |
| 3238 __ bind(ok); | |
| 3239 } | |
| 3240 | |
| 3241 __ cmp(Rinterface, Rtemp); | |
| 3242 __ brx(Assembler::notEqual, true, Assembler::pn, search); | |
| 3243 __ delayed()->add(Rscratch, itableOffsetEntry::size() * wordSize, Rscratch); | |
| 3244 | |
| 3245 // entry found and Rscratch points to it | |
| 3246 __ ld(Rscratch, itableOffsetEntry::offset_offset_in_bytes(), Rscratch); | |
| 3247 | |
| 3248 assert(itableMethodEntry::method_offset_in_bytes() == 0, "adjust instruction below"); | |
| 3249 __ sll(Rindex, exact_log2(itableMethodEntry::size() * wordSize), Rindex); // Rindex *= 8; | |
| 3250 __ add(Rscratch, Rindex, Rscratch); | |
|
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3251 __ ld_ptr(O2_Klass, Rscratch, G5_method); |
| 0 | 3252 |
| 3253 // Check for abstract method error. | |
| 3254 { | |
| 3255 Label ok; | |
| 3839 | 3256 __ br_notnull_short(G5_method, Assembler::pt, ok); |
| 0 | 3257 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError)); |
| 3258 __ should_not_reach_here(); | |
| 3259 __ bind(ok); | |
| 3260 } | |
| 3261 | |
| 3262 Register Rcall = Rinterface; | |
| 3263 assert_different_registers(Rcall, G5_method, Gargs, Rret); | |
| 3264 | |
| 14260 | 3265 __ profile_arguments_type(G5_method, Rcall, Gargs, true); |
| 22298 | 3266 #if INCLUDE_JVMCI |
| 10458 | 3267 __ profile_called_method(G5_method, Rscratch); |
| 3268 #endif | |
| 0 | 3269 __ call_from_interpreter(Rcall, Gargs, Rret); |
|
6266
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|
3270 } |
|
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|
3271 |
|
1d7922586cf6
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|
3272 void TemplateTable::invokehandle(int byte_no) { |
|
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diff
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|
3273 transition(vtos, vtos); |
|
6725
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|
3274 assert(byte_no == f1_byte, "use this argument"); |
|
6266
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diff
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|
3275 |
|
1d7922586cf6
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diff
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|
3276 if (!EnableInvokeDynamic) { |
|
1d7922586cf6
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diff
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|
3277 // rewriter does not generate this bytecode |
|
1d7922586cf6
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diff
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|
3278 __ should_not_reach_here(); |
|
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diff
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|
3279 return; |
|
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diff
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|
3280 } |
|
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diff
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|
3281 |
|
1d7922586cf6
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|
3282 const Register Rret = Lscratch; |
|
6822
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|
3283 const Register G4_mtype = G4_scratch; |
|
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|
3284 const Register O0_recv = O0; |
|
1d7922586cf6
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|
3285 const Register Rscratch = G3_scratch; |
|
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|
3286 |
|
1d7922586cf6
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diff
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|
3287 prepare_invoke(byte_no, G5_method, Rret, G4_mtype, O0_recv); |
|
1d7922586cf6
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|
3288 __ null_check(O0_recv); |
|
1d7922586cf6
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diff
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|
3289 |
|
6822
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diff
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|
3290 // G4: MethodType object (from cpool->resolved_references[f1], if necessary) |
|
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|
3291 // G5: MH.invokeExact_MT method (from f2) |
|
6266
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|
3292 |
|
1d7922586cf6
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diff
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|
3293 // Note: G4_mtype is already pushed (if necessary) by prepare_invoke |
|
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|
3294 |
|
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|
3295 // do the call |
|
6725
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|
3296 __ verify_oop(G4_mtype); |
|
6266
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|
3297 __ profile_final_call(O4); // FIXME: profile the LambdaForm also |
| 14260 | 3298 __ profile_arguments_type(G5_method, Rscratch, Gargs, true); |
|
6266
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|
3299 __ call_from_interpreter(Rscratch, Gargs, Rret); |
| 0 | 3300 } |
| 3301 | |
| 3302 | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
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diff
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|
3303 void TemplateTable::invokedynamic(int byte_no) { |
|
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diff
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|
3304 transition(vtos, vtos); |
|
6725
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|
3305 assert(byte_no == f1_byte, "use this argument"); |
|
726
be93aad57795
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|
3306 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
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605
diff
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|
3307 if (!EnableInvokeDynamic) { |
|
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605
diff
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|
3308 // We should not encounter this bytecode if !EnableInvokeDynamic. |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
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diff
changeset
|
3309 // The verifier will stop it. However, if we get past the verifier, |
|
be93aad57795
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diff
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|
3310 // this will stop the thread in a reasonable way, without crashing the JVM. |
|
be93aad57795
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diff
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|
3311 __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
|
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605
diff
changeset
|
3312 InterpreterRuntime::throw_IncompatibleClassChangeError)); |
|
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6655646: dynamic languages need dynamically linked call sites
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605
diff
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|
3313 // the call_VM checks for exception, so we should never return here. |
|
be93aad57795
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diff
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|
3314 __ should_not_reach_here(); |
|
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jrose
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diff
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|
3315 return; |
|
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6655646: dynamic languages need dynamically linked call sites
jrose
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605
diff
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|
3316 } |
|
be93aad57795
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605
diff
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|
3317 |
|
6266
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|
3318 const Register Rret = Lscratch; |
|
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diff
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|
3319 const Register G4_callsite = G4_scratch; |
|
1d7922586cf6
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diff
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|
3320 const Register Rscratch = G3_scratch; |
|
1d7922586cf6
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diff
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|
3321 |
|
1d7922586cf6
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diff
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|
3322 prepare_invoke(byte_no, G5_method, Rret, G4_callsite); |
|
1d7922586cf6
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diff
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|
3323 |
|
6822
f6b0eb4e44cf
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twisti
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6740
diff
changeset
|
3324 // G4: CallSite object (from cpool->resolved_references[f1]) |
|
f6b0eb4e44cf
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6740
diff
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|
3325 // G5: MH.linkToCallSite method (from f2) |
|
6266
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diff
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|
3326 |
|
1d7922586cf6
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4771
diff
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|
3327 // Note: G4_callsite is already pushed by prepare_invoke |
|
1d7922586cf6
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diff
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|
3328 |
|
1d7922586cf6
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4771
diff
changeset
|
3329 // %%% should make a type profile for any invokedynamic that takes a ref argument |
| 1503 | 3330 // profile this call |
| 3331 __ profile_call(O4); | |
| 3332 | |
|
6266
1d7922586cf6
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diff
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|
3333 // do the call |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
3334 __ verify_oop(G4_callsite); |
| 14260 | 3335 __ profile_arguments_type(G5_method, Rscratch, Gargs, false); |
|
6266
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diff
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|
3336 __ call_from_interpreter(Rscratch, Gargs, Rret); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
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605
diff
changeset
|
3337 } |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
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diff
changeset
|
3338 |
|
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6655646: dynamic languages need dynamically linked call sites
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diff
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|
3339 |
| 0 | 3340 //---------------------------------------------------------------------------------------------------- |
| 3341 // Allocation | |
| 3342 | |
| 3343 void TemplateTable::_new() { | |
| 3344 transition(vtos, atos); | |
| 3345 | |
| 3346 Label slow_case; | |
| 3347 Label done; | |
| 3348 Label initialize_header; | |
| 3349 Label initialize_object; // including clearing the fields | |
| 3350 | |
| 3351 Register RallocatedObject = Otos_i; | |
| 3352 Register RinstanceKlass = O1; | |
| 3353 Register Roffset = O3; | |
| 3354 Register Rscratch = O4; | |
| 3355 | |
| 3356 __ get_2_byte_integer_at_bcp(1, Rscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
| 3357 __ get_cpool_and_tags(Rscratch, G3_scratch); | |
| 3358 // make sure the class we're about to instantiate has been resolved | |
|
6725
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diff
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|
3359 // This is done before loading InstanceKlass to be consistent with the order |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6266
diff
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|
3360 // how Constant Pool is updated (see ConstantPool::klass_at_put) |
|
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|
3361 __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
| 0 | 3362 __ ldub(G3_scratch, Roffset, G3_scratch); |
| 3363 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
| 3364 __ br(Assembler::notEqual, false, Assembler::pn, slow_case); | |
| 3365 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
|
6725
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changeset
|
3366 // get InstanceKlass |
| 0 | 3367 //__ sll(Roffset, LogBytesPerWord, Roffset); // executed in delay slot |
|
6725
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diff
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|
3368 __ add(Roffset, sizeof(ConstantPool), Roffset); |
| 0 | 3369 __ ld_ptr(Rscratch, Roffset, RinstanceKlass); |
| 3370 | |
| 3371 // make sure klass is fully initialized: | |
|
6725
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|
3372 __ ldub(RinstanceKlass, in_bytes(InstanceKlass::init_state_offset()), G3_scratch); |
|
da91efe96a93
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|
3373 __ cmp(G3_scratch, InstanceKlass::fully_initialized); |
| 0 | 3374 __ br(Assembler::notEqual, false, Assembler::pn, slow_case); |
|
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
3892
diff
changeset
|
3375 __ delayed()->ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
| 0 | 3376 |
|
6725
da91efe96a93
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6266
diff
changeset
|
3377 // get instance_size in InstanceKlass (already aligned) |
|
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
3892
diff
changeset
|
3378 //__ ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
| 0 | 3379 |
| 3380 // make sure klass does not have has_finalizer, or is abstract, or interface or java/lang/Class | |
| 3381 __ btst(Klass::_lh_instance_slow_path_bit, Roffset); | |
| 3382 __ br(Assembler::notZero, false, Assembler::pn, slow_case); | |
| 3383 __ delayed()->nop(); | |
| 3384 | |
| 3385 // allocate the instance | |
| 3386 // 1) Try to allocate in the TLAB | |
| 3387 // 2) if fail, and the TLAB is not full enough to discard, allocate in the shared Eden | |
| 3388 // 3) if the above fails (or is not applicable), go to a slow case | |
| 3389 // (creates a new TLAB, etc.) | |
| 3390 | |
| 3391 const bool allow_shared_alloc = | |
| 3392 Universe::heap()->supports_inline_contig_alloc() && !CMSIncrementalMode; | |
| 3393 | |
| 3394 if(UseTLAB) { | |
| 3395 Register RoldTopValue = RallocatedObject; | |
| 3892 | 3396 Register RtlabWasteLimitValue = G3_scratch; |
| 0 | 3397 Register RnewTopValue = G1_scratch; |
| 3398 Register RendValue = Rscratch; | |
| 3399 Register RfreeValue = RnewTopValue; | |
| 3400 | |
| 3401 // check if we can allocate in the TLAB | |
| 3402 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_top_offset()), RoldTopValue); // sets up RalocatedObject | |
| 3403 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_end_offset()), RendValue); | |
| 3404 __ add(RoldTopValue, Roffset, RnewTopValue); | |
| 3405 | |
| 3406 // if there is enough space, we do not CAS and do not clear | |
| 3407 __ cmp(RnewTopValue, RendValue); | |
| 3408 if(ZeroTLAB) { | |
| 3409 // the fields have already been cleared | |
| 3410 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_header); | |
| 3411 } else { | |
| 3412 // initialize both the header and fields | |
| 3413 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_object); | |
| 3414 } | |
| 3415 __ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset())); | |
| 3416 | |
| 3417 if (allow_shared_alloc) { | |
|
2100
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7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
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diff
changeset
|
3418 // Check if tlab should be discarded (refill_waste_limit >= free) |
|
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
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diff
changeset
|
3419 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue); |
|
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
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diff
changeset
|
3420 __ sub(RendValue, RoldTopValue, RfreeValue); |
| 0 | 3421 #ifdef _LP64 |
|
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
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diff
changeset
|
3422 __ srlx(RfreeValue, LogHeapWordSize, RfreeValue); |
| 0 | 3423 #else |
|
2100
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7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
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parents:
1972
diff
changeset
|
3424 __ srl(RfreeValue, LogHeapWordSize, RfreeValue); |
| 0 | 3425 #endif |
| 3839 | 3426 __ cmp_and_brx_short(RtlabWasteLimitValue, RfreeValue, Assembler::greaterEqualUnsigned, Assembler::pt, slow_case); // tlab waste is small |
|
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
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1972
diff
changeset
|
3427 |
|
b1a2afa37ec4
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1972
diff
changeset
|
3428 // increment waste limit to prevent getting stuck on this slow path |
|
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
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diff
changeset
|
3429 __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue); |
|
b1a2afa37ec4
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diff
changeset
|
3430 __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset())); |
| 0 | 3431 } else { |
| 3432 // No allocation in the shared eden. | |
| 3839 | 3433 __ ba_short(slow_case); |
| 0 | 3434 } |
| 3435 } | |
| 3436 | |
| 3437 // Allocation in the shared Eden | |
| 3438 if (allow_shared_alloc) { | |
| 3439 Register RoldTopValue = G1_scratch; | |
| 3440 Register RtopAddr = G3_scratch; | |
| 3441 Register RnewTopValue = RallocatedObject; | |
| 3442 Register RendValue = Rscratch; | |
| 3443 | |
| 3444 __ set((intptr_t)Universe::heap()->top_addr(), RtopAddr); | |
| 3445 | |
| 3446 Label retry; | |
| 3447 __ bind(retry); | |
| 3448 __ set((intptr_t)Universe::heap()->end_addr(), RendValue); | |
| 3449 __ ld_ptr(RendValue, 0, RendValue); | |
| 3450 __ ld_ptr(RtopAddr, 0, RoldTopValue); | |
| 3451 __ add(RoldTopValue, Roffset, RnewTopValue); | |
| 3452 | |
| 3453 // RnewTopValue contains the top address after the new object | |
| 3454 // has been allocated. | |
| 3839 | 3455 __ cmp_and_brx_short(RnewTopValue, RendValue, Assembler::greaterUnsigned, Assembler::pn, slow_case); |
| 0 | 3456 |
| 10997 | 3457 __ cas_ptr(RtopAddr, RoldTopValue, RnewTopValue); |
| 0 | 3458 |
| 3459 // if someone beat us on the allocation, try again, otherwise continue | |
| 3839 | 3460 __ cmp_and_brx_short(RoldTopValue, RnewTopValue, Assembler::notEqual, Assembler::pn, retry); |
|
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|
3461 |
|
b1a2afa37ec4
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diff
changeset
|
3462 // bump total bytes allocated by this thread |
|
2127
5577848f5923
7011463: Sparc MacroAssembler::incr_allocated_bytes() needs a RegisterOrConstant argument
phh
parents:
2100
diff
changeset
|
3463 // RoldTopValue and RtopAddr are dead, so can use G1 and G3 |
|
5577848f5923
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phh
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2100
diff
changeset
|
3464 __ incr_allocated_bytes(Roffset, G1_scratch, G3_scratch); |
| 0 | 3465 } |
| 3466 | |
| 3467 if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) { | |
| 3468 // clear object fields | |
| 3469 __ bind(initialize_object); | |
| 3470 __ deccc(Roffset, sizeof(oopDesc)); | |
| 3471 __ br(Assembler::zero, false, Assembler::pt, initialize_header); | |
| 3472 __ delayed()->add(RallocatedObject, sizeof(oopDesc), G3_scratch); | |
| 3473 | |
| 3474 // initialize remaining object fields | |
| 3892 | 3475 if (UseBlockZeroing) { |
| 3476 // Use BIS for zeroing | |
| 3477 __ bis_zeroing(G3_scratch, Roffset, G1_scratch, initialize_header); | |
| 3478 } else { | |
| 3479 Label loop; | |
| 0 | 3480 __ subcc(Roffset, wordSize, Roffset); |
| 3481 __ bind(loop); | |
| 3482 //__ subcc(Roffset, wordSize, Roffset); // executed above loop or in delay slot | |
| 3483 __ st_ptr(G0, G3_scratch, Roffset); | |
| 3484 __ br(Assembler::notEqual, false, Assembler::pt, loop); | |
| 3485 __ delayed()->subcc(Roffset, wordSize, Roffset); | |
| 3486 } | |
| 3839 | 3487 __ ba_short(initialize_header); |
| 0 | 3488 } |
| 3489 | |
| 3490 // slow case | |
| 3491 __ bind(slow_case); | |
| 3492 __ get_2_byte_integer_at_bcp(1, G3_scratch, O2, InterpreterMacroAssembler::Unsigned); | |
| 3493 __ get_constant_pool(O1); | |
| 3494 | |
| 3495 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::_new), O1, O2); | |
| 3496 | |
| 3839 | 3497 __ ba_short(done); |
| 0 | 3498 |
| 3499 // Initialize the header: mark, klass | |
| 3500 __ bind(initialize_header); | |
| 3501 | |
| 3502 if (UseBiasedLocking) { | |
|
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3503 __ ld_ptr(RinstanceKlass, in_bytes(Klass::prototype_header_offset()), G4_scratch); |
| 0 | 3504 } else { |
| 3505 __ set((intptr_t)markOopDesc::prototype(), G4_scratch); | |
| 3506 } | |
| 3507 __ st_ptr(G4_scratch, RallocatedObject, oopDesc::mark_offset_in_bytes()); // mark | |
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3508 __ store_klass_gap(G0, RallocatedObject); // klass gap if compressed |
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3509 __ store_klass(RinstanceKlass, RallocatedObject); // klass (last for cms) |
| 0 | 3510 |
| 3511 { | |
| 3512 SkipIfEqual skip_if( | |
| 3513 _masm, G4_scratch, &DTraceAllocProbes, Assembler::zero); | |
| 3514 // Trigger dtrace event | |
| 3515 __ push(atos); | |
| 3516 __ call_VM_leaf(noreg, | |
| 3517 CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc), O0); | |
| 3518 __ pop(atos); | |
| 3519 } | |
| 3520 | |
| 3521 // continue | |
| 3522 __ bind(done); | |
| 3523 } | |
| 3524 | |
| 3525 | |
| 3526 | |
| 3527 void TemplateTable::newarray() { | |
| 3528 transition(itos, atos); | |
| 3529 __ ldub(Lbcp, 1, O1); | |
| 3530 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::newarray), O1, Otos_i); | |
| 3531 } | |
| 3532 | |
| 3533 | |
| 3534 void TemplateTable::anewarray() { | |
| 3535 transition(itos, atos); | |
| 3536 __ get_constant_pool(O1); | |
| 3537 __ get_2_byte_integer_at_bcp(1, G4_scratch, O2, InterpreterMacroAssembler::Unsigned); | |
| 3538 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::anewarray), O1, O2, Otos_i); | |
| 3539 } | |
| 3540 | |
| 3541 | |
| 3542 void TemplateTable::arraylength() { | |
| 3543 transition(atos, itos); | |
| 3544 Label ok; | |
| 3545 __ verify_oop(Otos_i); | |
| 3546 __ tst(Otos_i); | |
| 3547 __ throw_if_not_1_x( Assembler::notZero, ok ); | |
| 3548 __ delayed()->ld(Otos_i, arrayOopDesc::length_offset_in_bytes(), Otos_i); | |
| 3549 __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); | |
| 3550 } | |
| 3551 | |
| 3552 | |
| 3553 void TemplateTable::checkcast() { | |
| 3554 transition(atos, atos); | |
| 3555 Label done, is_null, quicked, cast_ok, resolved; | |
| 3556 Register Roffset = G1_scratch; | |
| 3557 Register RobjKlass = O5; | |
| 3558 Register RspecifiedKlass = O4; | |
| 3559 | |
| 3560 // Check for casting a NULL | |
| 10458 | 3561 __ br_null(Otos_i, false, Assembler::pn, is_null); |
| 3562 __ delayed()->nop(); | |
| 0 | 3563 |
| 3564 // Get value klass in RobjKlass | |
|
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3565 __ load_klass(Otos_i, RobjKlass); // get value klass |
| 0 | 3566 |
| 3567 // Get constant pool tag | |
| 3568 __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
| 3569 | |
| 3570 // See if the checkcast has been quickened | |
| 3571 __ get_cpool_and_tags(Lscratch, G3_scratch); | |
|
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3572 __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
| 0 | 3573 __ ldub(G3_scratch, Roffset, G3_scratch); |
| 3574 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
| 3575 __ br(Assembler::equal, true, Assembler::pt, quicked); | |
| 3576 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
| 3577 | |
| 3578 __ push_ptr(); // save receiver for result, and for GC | |
|
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3579 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
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3580 __ get_vm_result_2(RspecifiedKlass); |
| 0 | 3581 __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
| 3582 | |
| 3839 | 3583 __ ba_short(resolved); |
| 0 | 3584 |
| 3585 // Extract target class from constant pool | |
| 3586 __ bind(quicked); | |
|
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3587 __ add(Roffset, sizeof(ConstantPool), Roffset); |
| 0 | 3588 __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); |
| 3589 __ bind(resolved); | |
|
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3590 __ load_klass(Otos_i, RobjKlass); // get value klass |
| 0 | 3591 |
| 3592 // Generate a fast subtype check. Branch to cast_ok if no | |
| 3593 // failure. Throw exception if failure. | |
| 3594 __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, cast_ok ); | |
| 3595 | |
| 3596 // Not a subtype; so must throw exception | |
| 3597 __ throw_if_not_x( Assembler::never, Interpreter::_throw_ClassCastException_entry, G3_scratch ); | |
| 3598 | |
| 3599 __ bind(cast_ok); | |
| 3600 | |
| 3601 if (ProfileInterpreter) { | |
| 3839 | 3602 __ ba_short(done); |
| 0 | 3603 } |
| 3604 __ bind(is_null); | |
| 3605 __ profile_null_seen(G3_scratch); | |
| 3606 __ bind(done); | |
| 3607 } | |
| 3608 | |
| 3609 | |
| 3610 void TemplateTable::instanceof() { | |
| 3611 Label done, is_null, quicked, resolved; | |
| 3612 transition(atos, itos); | |
| 3613 Register Roffset = G1_scratch; | |
| 3614 Register RobjKlass = O5; | |
| 3615 Register RspecifiedKlass = O4; | |
| 3616 | |
| 3617 // Check for casting a NULL | |
| 10458 | 3618 __ br_null(Otos_i, false, Assembler::pt, is_null); |
| 3619 __ delayed()->nop(); | |
| 0 | 3620 |
| 3621 // Get value klass in RobjKlass | |
|
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3622 __ load_klass(Otos_i, RobjKlass); // get value klass |
| 0 | 3623 |
| 3624 // Get constant pool tag | |
| 3625 __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
| 3626 | |
| 3627 // See if the checkcast has been quickened | |
| 3628 __ get_cpool_and_tags(Lscratch, G3_scratch); | |
|
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3629 __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
| 0 | 3630 __ ldub(G3_scratch, Roffset, G3_scratch); |
| 3631 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
| 3632 __ br(Assembler::equal, true, Assembler::pt, quicked); | |
| 3633 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
| 3634 | |
| 3635 __ push_ptr(); // save receiver for result, and for GC | |
|
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3636 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
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3637 __ get_vm_result_2(RspecifiedKlass); |
| 0 | 3638 __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
| 3639 | |
| 3839 | 3640 __ ba_short(resolved); |
| 0 | 3641 |
| 3642 // Extract target class from constant pool | |
| 3643 __ bind(quicked); | |
|
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3644 __ add(Roffset, sizeof(ConstantPool), Roffset); |
| 0 | 3645 __ get_constant_pool(Lscratch); |
| 3646 __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); | |
| 3647 __ bind(resolved); | |
|
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3648 __ load_klass(Otos_i, RobjKlass); // get value klass |
| 0 | 3649 |
| 3650 // Generate a fast subtype check. Branch to cast_ok if no | |
| 3651 // failure. Return 0 if failure. | |
| 3652 __ or3(G0, 1, Otos_i); // set result assuming quick tests succeed | |
| 3653 __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, done ); | |
| 3654 // Not a subtype; return 0; | |
| 3655 __ clr( Otos_i ); | |
| 3656 | |
| 3657 if (ProfileInterpreter) { | |
| 3839 | 3658 __ ba_short(done); |
| 0 | 3659 } |
| 3660 __ bind(is_null); | |
| 3661 __ profile_null_seen(G3_scratch); | |
| 3662 __ bind(done); | |
| 3663 } | |
| 3664 | |
| 3665 void TemplateTable::_breakpoint() { | |
| 3666 | |
| 3667 // Note: We get here even if we are single stepping.. | |
| 3668 // jbug inists on setting breakpoints at every bytecode | |
| 3669 // even if we are in single step mode. | |
| 3670 | |
| 3671 transition(vtos, vtos); | |
| 3672 // get the unpatched byte code | |
| 3673 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::get_original_bytecode_at), Lmethod, Lbcp); | |
| 3674 __ mov(O0, Lbyte_code); | |
| 3675 | |
| 3676 // post the breakpoint event | |
| 3677 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::_breakpoint), Lmethod, Lbcp); | |
| 3678 | |
| 3679 // complete the execution of original bytecode | |
| 3680 __ dispatch_normal(vtos); | |
| 3681 } | |
| 3682 | |
| 3683 | |
| 3684 //---------------------------------------------------------------------------------------------------- | |
| 3685 // Exceptions | |
| 3686 | |
| 3687 void TemplateTable::athrow() { | |
| 3688 transition(atos, vtos); | |
| 3689 | |
| 3690 // This works because exception is cached in Otos_i which is same as O0, | |
| 3691 // which is same as what throw_exception_entry_expects | |
| 3692 assert(Otos_i == Oexception, "see explanation above"); | |
| 3693 | |
| 3694 __ verify_oop(Otos_i); | |
| 3695 __ null_check(Otos_i); | |
| 3696 __ throw_if_not_x(Assembler::never, Interpreter::throw_exception_entry(), G3_scratch); | |
| 3697 } | |
| 3698 | |
| 3699 | |
| 3700 //---------------------------------------------------------------------------------------------------- | |
| 3701 // Synchronization | |
| 3702 | |
| 3703 | |
| 3704 // See frame_sparc.hpp for monitor block layout. | |
| 3705 // Monitor elements are dynamically allocated by growing stack as needed. | |
| 3706 | |
| 3707 void TemplateTable::monitorenter() { | |
| 3708 transition(atos, vtos); | |
| 3709 __ verify_oop(Otos_i); | |
| 3710 // Try to acquire a lock on the object | |
| 3711 // Repeat until succeeded (i.e., until | |
| 3712 // monitorenter returns true). | |
| 3713 | |
| 3714 { Label ok; | |
| 3715 __ tst(Otos_i); | |
| 3716 __ throw_if_not_1_x( Assembler::notZero, ok); | |
| 3717 __ delayed()->mov(Otos_i, Lscratch); // save obj | |
| 3718 __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); | |
| 3719 } | |
| 3720 | |
| 3721 assert(O0 == Otos_i, "Be sure where the object to lock is"); | |
| 3722 | |
| 3723 // find a free slot in the monitor block | |
| 3724 | |
| 3725 | |
| 3726 // initialize entry pointer | |
| 3727 __ clr(O1); // points to free slot or NULL | |
| 3728 | |
| 3729 { | |
| 3730 Label entry, loop, exit; | |
| 3731 __ add( __ top_most_monitor(), O2 ); // last one to check | |
| 3839 | 3732 __ ba( entry ); |
| 0 | 3733 __ delayed()->mov( Lmonitors, O3 ); // first one to check |
| 3734 | |
| 3735 | |
| 3736 __ bind( loop ); | |
| 3737 | |
| 3738 __ verify_oop(O4); // verify each monitor's oop | |
| 3739 __ tst(O4); // is this entry unused? | |
| 10997 | 3740 __ movcc( Assembler::zero, false, Assembler::ptr_cc, O3, O1); |
| 0 | 3741 |
| 3742 __ cmp(O4, O0); // check if current entry is for same object | |
| 3743 __ brx( Assembler::equal, false, Assembler::pn, exit ); | |
| 3744 __ delayed()->inc( O3, frame::interpreter_frame_monitor_size() * wordSize ); // check next one | |
| 3745 | |
| 3746 __ bind( entry ); | |
| 3747 | |
| 3748 __ cmp( O3, O2 ); | |
| 3749 __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); | |
| 3750 __ delayed()->ld_ptr(O3, BasicObjectLock::obj_offset_in_bytes(), O4); | |
| 3751 | |
| 3752 __ bind( exit ); | |
| 3753 } | |
| 3754 | |
| 3755 { Label allocated; | |
| 3756 | |
| 3757 // found free slot? | |
| 3839 | 3758 __ br_notnull_short(O1, Assembler::pn, allocated); |
| 0 | 3759 |
| 3760 __ add_monitor_to_stack( false, O2, O3 ); | |
| 3761 __ mov(Lmonitors, O1); | |
| 3762 | |
| 3763 __ bind(allocated); | |
| 3764 } | |
| 3765 | |
| 3766 // Increment bcp to point to the next bytecode, so exception handling for async. exceptions work correctly. | |
| 3767 // The object has already been poped from the stack, so the expression stack looks correct. | |
| 3768 __ inc(Lbcp); | |
| 3769 | |
| 3770 __ st_ptr(O0, O1, BasicObjectLock::obj_offset_in_bytes()); // store object | |
| 3771 __ lock_object(O1, O0); | |
| 3772 | |
| 3773 // check if there's enough space on the stack for the monitors after locking | |
| 3774 __ generate_stack_overflow_check(0); | |
| 3775 | |
| 3776 // The bcp has already been incremented. Just need to dispatch to next instruction. | |
| 3777 __ dispatch_next(vtos); | |
| 3778 } | |
| 3779 | |
| 3780 | |
| 3781 void TemplateTable::monitorexit() { | |
| 3782 transition(atos, vtos); | |
| 3783 __ verify_oop(Otos_i); | |
| 3784 __ tst(Otos_i); | |
| 3785 __ throw_if_not_x( Assembler::notZero, Interpreter::_throw_NullPointerException_entry, G3_scratch ); | |
| 3786 | |
| 3787 assert(O0 == Otos_i, "just checking"); | |
| 3788 | |
| 3789 { Label entry, loop, found; | |
| 3790 __ add( __ top_most_monitor(), O2 ); // last one to check | |
| 3839 | 3791 __ ba(entry); |
| 0 | 3792 // use Lscratch to hold monitor elem to check, start with most recent monitor, |
| 3793 // By using a local it survives the call to the C routine. | |
| 3794 __ delayed()->mov( Lmonitors, Lscratch ); | |
| 3795 | |
| 3796 __ bind( loop ); | |
| 3797 | |
| 3798 __ verify_oop(O4); // verify each monitor's oop | |
| 3799 __ cmp(O4, O0); // check if current entry is for desired object | |
| 3800 __ brx( Assembler::equal, true, Assembler::pt, found ); | |
| 3801 __ delayed()->mov(Lscratch, O1); // pass found entry as argument to monitorexit | |
| 3802 | |
| 3803 __ inc( Lscratch, frame::interpreter_frame_monitor_size() * wordSize ); // advance to next | |
| 3804 | |
| 3805 __ bind( entry ); | |
| 3806 | |
| 3807 __ cmp( Lscratch, O2 ); | |
| 3808 __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); | |
| 3809 __ delayed()->ld_ptr(Lscratch, BasicObjectLock::obj_offset_in_bytes(), O4); | |
| 3810 | |
| 3811 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
| 3812 __ should_not_reach_here(); | |
| 3813 | |
| 3814 __ bind(found); | |
| 3815 } | |
| 3816 __ unlock_object(O1); | |
| 3817 } | |
| 3818 | |
| 3819 | |
| 3820 //---------------------------------------------------------------------------------------------------- | |
| 3821 // Wide instructions | |
| 3822 | |
| 3823 void TemplateTable::wide() { | |
| 3824 transition(vtos, vtos); | |
| 3825 __ ldub(Lbcp, 1, G3_scratch);// get next bc | |
| 3826 __ sll(G3_scratch, LogBytesPerWord, G3_scratch); | |
| 727 | 3827 AddressLiteral ep(Interpreter::_wentry_point); |
| 3828 __ set(ep, G4_scratch); | |
| 3829 __ ld_ptr(G4_scratch, G3_scratch, G3_scratch); | |
| 0 | 3830 __ jmp(G3_scratch, G0); |
| 3831 __ delayed()->nop(); | |
| 3832 // Note: the Lbcp increment step is part of the individual wide bytecode implementations | |
| 3833 } | |
| 3834 | |
| 3835 | |
| 3836 //---------------------------------------------------------------------------------------------------- | |
| 3837 // Multi arrays | |
| 3838 | |
| 3839 void TemplateTable::multianewarray() { | |
| 3840 transition(vtos, atos); | |
| 3841 // put ndims * wordSize into Lscratch | |
| 3842 __ ldub( Lbcp, 3, Lscratch); | |
| 1506 | 3843 __ sll( Lscratch, Interpreter::logStackElementSize, Lscratch); |
| 0 | 3844 // Lesp points past last_dim, so set to O1 to first_dim address |
| 3845 __ add( Lesp, Lscratch, O1); | |
| 3846 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::multianewarray), O1); | |
| 3847 __ add( Lesp, Lscratch, Lesp); // pop all dimensions off the stack | |
| 3848 } | |
| 3849 #endif /* !CC_INTERP */ |