Wed, 27 Apr 2016 01:25:04 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "interpreter/interpreter.hpp" |
aoqi@0 | 27 | #include "interpreter/interpreterRuntime.hpp" |
aoqi@0 | 28 | #include "interpreter/templateTable.hpp" |
aoqi@0 | 29 | #include "memory/universe.inline.hpp" |
aoqi@0 | 30 | #include "oops/methodData.hpp" |
aoqi@0 | 31 | #include "oops/objArrayKlass.hpp" |
aoqi@0 | 32 | #include "oops/oop.inline.hpp" |
aoqi@0 | 33 | #include "prims/methodHandles.hpp" |
aoqi@0 | 34 | #include "runtime/sharedRuntime.hpp" |
aoqi@0 | 35 | #include "runtime/stubRoutines.hpp" |
aoqi@0 | 36 | #include "runtime/synchronizer.hpp" |
aoqi@0 | 37 | #include "utilities/macros.hpp" |
aoqi@0 | 38 | |
aoqi@0 | 39 | #ifndef CC_INTERP |
aoqi@0 | 40 | #define __ _masm-> |
aoqi@0 | 41 | |
aoqi@0 | 42 | // Misc helpers |
aoqi@0 | 43 | |
aoqi@0 | 44 | // Do an oop store like *(base + index + offset) = val |
aoqi@0 | 45 | // index can be noreg, |
aoqi@0 | 46 | static void do_oop_store(InterpreterMacroAssembler* _masm, |
aoqi@0 | 47 | Register base, |
aoqi@0 | 48 | Register index, |
aoqi@0 | 49 | int offset, |
aoqi@0 | 50 | Register val, |
aoqi@0 | 51 | Register tmp, |
aoqi@0 | 52 | BarrierSet::Name barrier, |
aoqi@0 | 53 | bool precise) { |
aoqi@0 | 54 | assert(tmp != val && tmp != base && tmp != index, "register collision"); |
aoqi@0 | 55 | assert(index == noreg || offset == 0, "only one offset"); |
aoqi@0 | 56 | switch (barrier) { |
aoqi@0 | 57 | #if INCLUDE_ALL_GCS |
aoqi@0 | 58 | case BarrierSet::G1SATBCT: |
aoqi@0 | 59 | case BarrierSet::G1SATBCTLogging: |
aoqi@0 | 60 | { |
aoqi@0 | 61 | // Load and record the previous value. |
aoqi@0 | 62 | __ g1_write_barrier_pre(base, index, offset, |
aoqi@0 | 63 | noreg /* pre_val */, |
aoqi@0 | 64 | tmp, true /*preserve_o_regs*/); |
aoqi@0 | 65 | |
aoqi@0 | 66 | // G1 barrier needs uncompressed oop for region cross check. |
aoqi@0 | 67 | Register new_val = val; |
aoqi@0 | 68 | if (UseCompressedOops && val != G0) { |
aoqi@0 | 69 | new_val = tmp; |
aoqi@0 | 70 | __ mov(val, new_val); |
aoqi@0 | 71 | } |
aoqi@0 | 72 | |
aoqi@0 | 73 | if (index == noreg ) { |
aoqi@0 | 74 | assert(Assembler::is_simm13(offset), "fix this code"); |
aoqi@0 | 75 | __ store_heap_oop(val, base, offset); |
aoqi@0 | 76 | } else { |
aoqi@0 | 77 | __ store_heap_oop(val, base, index); |
aoqi@0 | 78 | } |
aoqi@0 | 79 | |
aoqi@0 | 80 | // No need for post barrier if storing NULL |
aoqi@0 | 81 | if (val != G0) { |
aoqi@0 | 82 | if (precise) { |
aoqi@0 | 83 | if (index == noreg) { |
aoqi@0 | 84 | __ add(base, offset, base); |
aoqi@0 | 85 | } else { |
aoqi@0 | 86 | __ add(base, index, base); |
aoqi@0 | 87 | } |
aoqi@0 | 88 | } |
aoqi@0 | 89 | __ g1_write_barrier_post(base, new_val, tmp); |
aoqi@0 | 90 | } |
aoqi@0 | 91 | } |
aoqi@0 | 92 | break; |
aoqi@0 | 93 | #endif // INCLUDE_ALL_GCS |
aoqi@0 | 94 | case BarrierSet::CardTableModRef: |
aoqi@0 | 95 | case BarrierSet::CardTableExtension: |
aoqi@0 | 96 | { |
aoqi@0 | 97 | if (index == noreg ) { |
aoqi@0 | 98 | assert(Assembler::is_simm13(offset), "fix this code"); |
aoqi@0 | 99 | __ store_heap_oop(val, base, offset); |
aoqi@0 | 100 | } else { |
aoqi@0 | 101 | __ store_heap_oop(val, base, index); |
aoqi@0 | 102 | } |
aoqi@0 | 103 | // No need for post barrier if storing NULL |
aoqi@0 | 104 | if (val != G0) { |
aoqi@0 | 105 | if (precise) { |
aoqi@0 | 106 | if (index == noreg) { |
aoqi@0 | 107 | __ add(base, offset, base); |
aoqi@0 | 108 | } else { |
aoqi@0 | 109 | __ add(base, index, base); |
aoqi@0 | 110 | } |
aoqi@0 | 111 | } |
aoqi@0 | 112 | __ card_write_barrier_post(base, val, tmp); |
aoqi@0 | 113 | } |
aoqi@0 | 114 | } |
aoqi@0 | 115 | break; |
aoqi@0 | 116 | case BarrierSet::ModRef: |
aoqi@0 | 117 | case BarrierSet::Other: |
aoqi@0 | 118 | ShouldNotReachHere(); |
aoqi@0 | 119 | break; |
aoqi@0 | 120 | default : |
aoqi@0 | 121 | ShouldNotReachHere(); |
aoqi@0 | 122 | |
aoqi@0 | 123 | } |
aoqi@0 | 124 | } |
aoqi@0 | 125 | |
aoqi@0 | 126 | |
aoqi@0 | 127 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 128 | // Platform-dependent initialization |
aoqi@0 | 129 | |
aoqi@0 | 130 | void TemplateTable::pd_initialize() { |
aoqi@0 | 131 | // (none) |
aoqi@0 | 132 | } |
aoqi@0 | 133 | |
aoqi@0 | 134 | |
aoqi@0 | 135 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 136 | // Condition conversion |
aoqi@0 | 137 | Assembler::Condition ccNot(TemplateTable::Condition cc) { |
aoqi@0 | 138 | switch (cc) { |
aoqi@0 | 139 | case TemplateTable::equal : return Assembler::notEqual; |
aoqi@0 | 140 | case TemplateTable::not_equal : return Assembler::equal; |
aoqi@0 | 141 | case TemplateTable::less : return Assembler::greaterEqual; |
aoqi@0 | 142 | case TemplateTable::less_equal : return Assembler::greater; |
aoqi@0 | 143 | case TemplateTable::greater : return Assembler::lessEqual; |
aoqi@0 | 144 | case TemplateTable::greater_equal: return Assembler::less; |
aoqi@0 | 145 | } |
aoqi@0 | 146 | ShouldNotReachHere(); |
aoqi@0 | 147 | return Assembler::zero; |
aoqi@0 | 148 | } |
aoqi@0 | 149 | |
aoqi@0 | 150 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 151 | // Miscelaneous helper routines |
aoqi@0 | 152 | |
aoqi@0 | 153 | |
aoqi@0 | 154 | Address TemplateTable::at_bcp(int offset) { |
aoqi@0 | 155 | assert(_desc->uses_bcp(), "inconsistent uses_bcp information"); |
aoqi@0 | 156 | return Address(Lbcp, offset); |
aoqi@0 | 157 | } |
aoqi@0 | 158 | |
aoqi@0 | 159 | |
aoqi@0 | 160 | void TemplateTable::patch_bytecode(Bytecodes::Code bc, Register bc_reg, |
aoqi@0 | 161 | Register temp_reg, bool load_bc_into_bc_reg/*=true*/, |
aoqi@0 | 162 | int byte_no) { |
aoqi@0 | 163 | // With sharing on, may need to test Method* flag. |
aoqi@0 | 164 | if (!RewriteBytecodes) return; |
aoqi@0 | 165 | Label L_patch_done; |
aoqi@0 | 166 | |
aoqi@0 | 167 | switch (bc) { |
aoqi@0 | 168 | case Bytecodes::_fast_aputfield: |
aoqi@0 | 169 | case Bytecodes::_fast_bputfield: |
aoqi@0 | 170 | case Bytecodes::_fast_cputfield: |
aoqi@0 | 171 | case Bytecodes::_fast_dputfield: |
aoqi@0 | 172 | case Bytecodes::_fast_fputfield: |
aoqi@0 | 173 | case Bytecodes::_fast_iputfield: |
aoqi@0 | 174 | case Bytecodes::_fast_lputfield: |
aoqi@0 | 175 | case Bytecodes::_fast_sputfield: |
aoqi@0 | 176 | { |
aoqi@0 | 177 | // We skip bytecode quickening for putfield instructions when |
aoqi@0 | 178 | // the put_code written to the constant pool cache is zero. |
aoqi@0 | 179 | // This is required so that every execution of this instruction |
aoqi@0 | 180 | // calls out to InterpreterRuntime::resolve_get_put to do |
aoqi@0 | 181 | // additional, required work. |
aoqi@0 | 182 | assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
aoqi@0 | 183 | assert(load_bc_into_bc_reg, "we use bc_reg as temp"); |
aoqi@0 | 184 | __ get_cache_and_index_and_bytecode_at_bcp(bc_reg, temp_reg, temp_reg, byte_no, 1); |
aoqi@0 | 185 | __ set(bc, bc_reg); |
aoqi@0 | 186 | __ cmp_and_br_short(temp_reg, 0, Assembler::equal, Assembler::pn, L_patch_done); // don't patch |
aoqi@0 | 187 | } |
aoqi@0 | 188 | break; |
aoqi@0 | 189 | default: |
aoqi@0 | 190 | assert(byte_no == -1, "sanity"); |
aoqi@0 | 191 | if (load_bc_into_bc_reg) { |
aoqi@0 | 192 | __ set(bc, bc_reg); |
aoqi@0 | 193 | } |
aoqi@0 | 194 | } |
aoqi@0 | 195 | |
aoqi@0 | 196 | if (JvmtiExport::can_post_breakpoint()) { |
aoqi@0 | 197 | Label L_fast_patch; |
aoqi@0 | 198 | __ ldub(at_bcp(0), temp_reg); |
aoqi@0 | 199 | __ cmp_and_br_short(temp_reg, Bytecodes::_breakpoint, Assembler::notEqual, Assembler::pt, L_fast_patch); |
aoqi@0 | 200 | // perform the quickening, slowly, in the bowels of the breakpoint table |
aoqi@0 | 201 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::set_original_bytecode_at), Lmethod, Lbcp, bc_reg); |
aoqi@0 | 202 | __ ba_short(L_patch_done); |
aoqi@0 | 203 | __ bind(L_fast_patch); |
aoqi@0 | 204 | } |
aoqi@0 | 205 | |
aoqi@0 | 206 | #ifdef ASSERT |
aoqi@0 | 207 | Bytecodes::Code orig_bytecode = Bytecodes::java_code(bc); |
aoqi@0 | 208 | Label L_okay; |
aoqi@0 | 209 | __ ldub(at_bcp(0), temp_reg); |
aoqi@0 | 210 | __ cmp(temp_reg, orig_bytecode); |
aoqi@0 | 211 | __ br(Assembler::equal, false, Assembler::pt, L_okay); |
aoqi@0 | 212 | __ delayed()->cmp(temp_reg, bc_reg); |
aoqi@0 | 213 | __ br(Assembler::equal, false, Assembler::pt, L_okay); |
aoqi@0 | 214 | __ delayed()->nop(); |
aoqi@0 | 215 | __ stop("patching the wrong bytecode"); |
aoqi@0 | 216 | __ bind(L_okay); |
aoqi@0 | 217 | #endif |
aoqi@0 | 218 | |
aoqi@0 | 219 | // patch bytecode |
aoqi@0 | 220 | __ stb(bc_reg, at_bcp(0)); |
aoqi@0 | 221 | __ bind(L_patch_done); |
aoqi@0 | 222 | } |
aoqi@0 | 223 | |
aoqi@0 | 224 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 225 | // Individual instructions |
aoqi@0 | 226 | |
aoqi@0 | 227 | void TemplateTable::nop() { |
aoqi@0 | 228 | transition(vtos, vtos); |
aoqi@0 | 229 | // nothing to do |
aoqi@0 | 230 | } |
aoqi@0 | 231 | |
aoqi@0 | 232 | void TemplateTable::shouldnotreachhere() { |
aoqi@0 | 233 | transition(vtos, vtos); |
aoqi@0 | 234 | __ stop("shouldnotreachhere bytecode"); |
aoqi@0 | 235 | } |
aoqi@0 | 236 | |
aoqi@0 | 237 | void TemplateTable::aconst_null() { |
aoqi@0 | 238 | transition(vtos, atos); |
aoqi@0 | 239 | __ clr(Otos_i); |
aoqi@0 | 240 | } |
aoqi@0 | 241 | |
aoqi@0 | 242 | |
aoqi@0 | 243 | void TemplateTable::iconst(int value) { |
aoqi@0 | 244 | transition(vtos, itos); |
aoqi@0 | 245 | __ set(value, Otos_i); |
aoqi@0 | 246 | } |
aoqi@0 | 247 | |
aoqi@0 | 248 | |
aoqi@0 | 249 | void TemplateTable::lconst(int value) { |
aoqi@0 | 250 | transition(vtos, ltos); |
aoqi@0 | 251 | assert(value >= 0, "check this code"); |
aoqi@0 | 252 | #ifdef _LP64 |
aoqi@0 | 253 | __ set(value, Otos_l); |
aoqi@0 | 254 | #else |
aoqi@0 | 255 | __ set(value, Otos_l2); |
aoqi@0 | 256 | __ clr( Otos_l1); |
aoqi@0 | 257 | #endif |
aoqi@0 | 258 | } |
aoqi@0 | 259 | |
aoqi@0 | 260 | |
aoqi@0 | 261 | void TemplateTable::fconst(int value) { |
aoqi@0 | 262 | transition(vtos, ftos); |
aoqi@0 | 263 | static float zero = 0.0, one = 1.0, two = 2.0; |
aoqi@0 | 264 | float* p; |
aoqi@0 | 265 | switch( value ) { |
aoqi@0 | 266 | default: ShouldNotReachHere(); |
aoqi@0 | 267 | case 0: p = &zero; break; |
aoqi@0 | 268 | case 1: p = &one; break; |
aoqi@0 | 269 | case 2: p = &two; break; |
aoqi@0 | 270 | } |
aoqi@0 | 271 | AddressLiteral a(p); |
aoqi@0 | 272 | __ sethi(a, G3_scratch); |
aoqi@0 | 273 | __ ldf(FloatRegisterImpl::S, G3_scratch, a.low10(), Ftos_f); |
aoqi@0 | 274 | } |
aoqi@0 | 275 | |
aoqi@0 | 276 | |
aoqi@0 | 277 | void TemplateTable::dconst(int value) { |
aoqi@0 | 278 | transition(vtos, dtos); |
aoqi@0 | 279 | static double zero = 0.0, one = 1.0; |
aoqi@0 | 280 | double* p; |
aoqi@0 | 281 | switch( value ) { |
aoqi@0 | 282 | default: ShouldNotReachHere(); |
aoqi@0 | 283 | case 0: p = &zero; break; |
aoqi@0 | 284 | case 1: p = &one; break; |
aoqi@0 | 285 | } |
aoqi@0 | 286 | AddressLiteral a(p); |
aoqi@0 | 287 | __ sethi(a, G3_scratch); |
aoqi@0 | 288 | __ ldf(FloatRegisterImpl::D, G3_scratch, a.low10(), Ftos_d); |
aoqi@0 | 289 | } |
aoqi@0 | 290 | |
aoqi@0 | 291 | |
aoqi@0 | 292 | // %%%%% Should factore most snippet templates across platforms |
aoqi@0 | 293 | |
aoqi@0 | 294 | void TemplateTable::bipush() { |
aoqi@0 | 295 | transition(vtos, itos); |
aoqi@0 | 296 | __ ldsb( at_bcp(1), Otos_i ); |
aoqi@0 | 297 | } |
aoqi@0 | 298 | |
aoqi@0 | 299 | void TemplateTable::sipush() { |
aoqi@0 | 300 | transition(vtos, itos); |
aoqi@0 | 301 | __ get_2_byte_integer_at_bcp(1, G3_scratch, Otos_i, InterpreterMacroAssembler::Signed); |
aoqi@0 | 302 | } |
aoqi@0 | 303 | |
aoqi@0 | 304 | void TemplateTable::ldc(bool wide) { |
aoqi@0 | 305 | transition(vtos, vtos); |
aoqi@0 | 306 | Label call_ldc, notInt, isString, notString, notClass, exit; |
aoqi@0 | 307 | |
aoqi@0 | 308 | if (wide) { |
aoqi@0 | 309 | __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 310 | } else { |
aoqi@0 | 311 | __ ldub(Lbcp, 1, O1); |
aoqi@0 | 312 | } |
aoqi@0 | 313 | __ get_cpool_and_tags(O0, O2); |
aoqi@0 | 314 | |
aoqi@0 | 315 | const int base_offset = ConstantPool::header_size() * wordSize; |
aoqi@0 | 316 | const int tags_offset = Array<u1>::base_offset_in_bytes(); |
aoqi@0 | 317 | |
aoqi@0 | 318 | // get type from tags |
aoqi@0 | 319 | __ add(O2, tags_offset, O2); |
aoqi@0 | 320 | __ ldub(O2, O1, O2); |
aoqi@0 | 321 | |
aoqi@0 | 322 | // unresolved class? If so, must resolve |
aoqi@0 | 323 | __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClass, Assembler::equal, Assembler::pt, call_ldc); |
aoqi@0 | 324 | |
aoqi@0 | 325 | // unresolved class in error state |
aoqi@0 | 326 | __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClassInError, Assembler::equal, Assembler::pn, call_ldc); |
aoqi@0 | 327 | |
aoqi@0 | 328 | __ cmp(O2, JVM_CONSTANT_Class); // need to call vm to get java mirror of the class |
aoqi@0 | 329 | __ brx(Assembler::notEqual, true, Assembler::pt, notClass); |
aoqi@0 | 330 | __ delayed()->add(O0, base_offset, O0); |
aoqi@0 | 331 | |
aoqi@0 | 332 | __ bind(call_ldc); |
aoqi@0 | 333 | __ set(wide, O1); |
aoqi@0 | 334 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::ldc), O1); |
aoqi@0 | 335 | __ push(atos); |
aoqi@0 | 336 | __ ba_short(exit); |
aoqi@0 | 337 | |
aoqi@0 | 338 | __ bind(notClass); |
aoqi@0 | 339 | // __ add(O0, base_offset, O0); |
aoqi@0 | 340 | __ sll(O1, LogBytesPerWord, O1); |
aoqi@0 | 341 | __ cmp(O2, JVM_CONSTANT_Integer); |
aoqi@0 | 342 | __ brx(Assembler::notEqual, true, Assembler::pt, notInt); |
aoqi@0 | 343 | __ delayed()->cmp(O2, JVM_CONSTANT_String); |
aoqi@0 | 344 | __ ld(O0, O1, Otos_i); |
aoqi@0 | 345 | __ push(itos); |
aoqi@0 | 346 | __ ba_short(exit); |
aoqi@0 | 347 | |
aoqi@0 | 348 | __ bind(notInt); |
aoqi@0 | 349 | // __ cmp(O2, JVM_CONSTANT_String); |
aoqi@0 | 350 | __ brx(Assembler::notEqual, true, Assembler::pt, notString); |
aoqi@0 | 351 | __ delayed()->ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); |
aoqi@0 | 352 | __ bind(isString); |
aoqi@0 | 353 | __ stop("string should be rewritten to fast_aldc"); |
aoqi@0 | 354 | __ ba_short(exit); |
aoqi@0 | 355 | |
aoqi@0 | 356 | __ bind(notString); |
aoqi@0 | 357 | // __ ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); |
aoqi@0 | 358 | __ push(ftos); |
aoqi@0 | 359 | |
aoqi@0 | 360 | __ bind(exit); |
aoqi@0 | 361 | } |
aoqi@0 | 362 | |
aoqi@0 | 363 | // Fast path for caching oop constants. |
aoqi@0 | 364 | // %%% We should use this to handle Class and String constants also. |
aoqi@0 | 365 | // %%% It will simplify the ldc/primitive path considerably. |
aoqi@0 | 366 | void TemplateTable::fast_aldc(bool wide) { |
aoqi@0 | 367 | transition(vtos, atos); |
aoqi@0 | 368 | |
aoqi@0 | 369 | int index_size = wide ? sizeof(u2) : sizeof(u1); |
aoqi@0 | 370 | Label resolved; |
aoqi@0 | 371 | |
aoqi@0 | 372 | // We are resolved if the resolved reference cache entry contains a |
aoqi@0 | 373 | // non-null object (CallSite, etc.) |
aoqi@0 | 374 | assert_different_registers(Otos_i, G3_scratch); |
aoqi@0 | 375 | __ get_cache_index_at_bcp(Otos_i, G3_scratch, 1, index_size); // load index => G3_scratch |
aoqi@0 | 376 | __ load_resolved_reference_at_index(Otos_i, G3_scratch); |
aoqi@0 | 377 | __ tst(Otos_i); |
aoqi@0 | 378 | __ br(Assembler::notEqual, false, Assembler::pt, resolved); |
aoqi@0 | 379 | __ delayed()->set((int)bytecode(), O1); |
aoqi@0 | 380 | |
aoqi@0 | 381 | address entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); |
aoqi@0 | 382 | |
aoqi@0 | 383 | // first time invocation - must resolve first |
aoqi@0 | 384 | __ call_VM(Otos_i, entry, O1); |
aoqi@0 | 385 | __ bind(resolved); |
aoqi@0 | 386 | __ verify_oop(Otos_i); |
aoqi@0 | 387 | } |
aoqi@0 | 388 | |
aoqi@0 | 389 | |
aoqi@0 | 390 | void TemplateTable::ldc2_w() { |
aoqi@0 | 391 | transition(vtos, vtos); |
aoqi@0 | 392 | Label Long, exit; |
aoqi@0 | 393 | |
aoqi@0 | 394 | __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 395 | __ get_cpool_and_tags(O0, O2); |
aoqi@0 | 396 | |
aoqi@0 | 397 | const int base_offset = ConstantPool::header_size() * wordSize; |
aoqi@0 | 398 | const int tags_offset = Array<u1>::base_offset_in_bytes(); |
aoqi@0 | 399 | // get type from tags |
aoqi@0 | 400 | __ add(O2, tags_offset, O2); |
aoqi@0 | 401 | __ ldub(O2, O1, O2); |
aoqi@0 | 402 | |
aoqi@0 | 403 | __ sll(O1, LogBytesPerWord, O1); |
aoqi@0 | 404 | __ add(O0, O1, G3_scratch); |
aoqi@0 | 405 | |
aoqi@0 | 406 | __ cmp_and_brx_short(O2, JVM_CONSTANT_Double, Assembler::notEqual, Assembler::pt, Long); |
aoqi@0 | 407 | // A double can be placed at word-aligned locations in the constant pool. |
aoqi@0 | 408 | // Check out Conversions.java for an example. |
aoqi@0 | 409 | // Also ConstantPool::header_size() is 20, which makes it very difficult |
aoqi@0 | 410 | // to double-align double on the constant pool. SG, 11/7/97 |
aoqi@0 | 411 | #ifdef _LP64 |
aoqi@0 | 412 | __ ldf(FloatRegisterImpl::D, G3_scratch, base_offset, Ftos_d); |
aoqi@0 | 413 | #else |
aoqi@0 | 414 | FloatRegister f = Ftos_d; |
aoqi@0 | 415 | __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset, f); |
aoqi@0 | 416 | __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset + sizeof(jdouble)/2, |
aoqi@0 | 417 | f->successor()); |
aoqi@0 | 418 | #endif |
aoqi@0 | 419 | __ push(dtos); |
aoqi@0 | 420 | __ ba_short(exit); |
aoqi@0 | 421 | |
aoqi@0 | 422 | __ bind(Long); |
aoqi@0 | 423 | #ifdef _LP64 |
aoqi@0 | 424 | __ ldx(G3_scratch, base_offset, Otos_l); |
aoqi@0 | 425 | #else |
aoqi@0 | 426 | __ ld(G3_scratch, base_offset, Otos_l); |
aoqi@0 | 427 | __ ld(G3_scratch, base_offset + sizeof(jlong)/2, Otos_l->successor()); |
aoqi@0 | 428 | #endif |
aoqi@0 | 429 | __ push(ltos); |
aoqi@0 | 430 | |
aoqi@0 | 431 | __ bind(exit); |
aoqi@0 | 432 | } |
aoqi@0 | 433 | |
aoqi@0 | 434 | |
aoqi@0 | 435 | void TemplateTable::locals_index(Register reg, int offset) { |
aoqi@0 | 436 | __ ldub( at_bcp(offset), reg ); |
aoqi@0 | 437 | } |
aoqi@0 | 438 | |
aoqi@0 | 439 | |
aoqi@0 | 440 | void TemplateTable::locals_index_wide(Register reg) { |
aoqi@0 | 441 | // offset is 2, not 1, because Lbcp points to wide prefix code |
aoqi@0 | 442 | __ get_2_byte_integer_at_bcp(2, G4_scratch, reg, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 443 | } |
aoqi@0 | 444 | |
aoqi@0 | 445 | void TemplateTable::iload() { |
aoqi@0 | 446 | transition(vtos, itos); |
aoqi@0 | 447 | // Rewrite iload,iload pair into fast_iload2 |
aoqi@0 | 448 | // iload,caload pair into fast_icaload |
aoqi@0 | 449 | if (RewriteFrequentPairs) { |
aoqi@0 | 450 | Label rewrite, done; |
aoqi@0 | 451 | |
aoqi@0 | 452 | // get next byte |
aoqi@0 | 453 | __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_iload)), G3_scratch); |
aoqi@0 | 454 | |
aoqi@0 | 455 | // if _iload, wait to rewrite to iload2. We only want to rewrite the |
aoqi@0 | 456 | // last two iloads in a pair. Comparing against fast_iload means that |
aoqi@0 | 457 | // the next bytecode is neither an iload or a caload, and therefore |
aoqi@0 | 458 | // an iload pair. |
aoqi@0 | 459 | __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_iload, Assembler::equal, Assembler::pn, done); |
aoqi@0 | 460 | |
aoqi@0 | 461 | __ cmp(G3_scratch, (int)Bytecodes::_fast_iload); |
aoqi@0 | 462 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
aoqi@0 | 463 | __ delayed()->set(Bytecodes::_fast_iload2, G4_scratch); |
aoqi@0 | 464 | |
aoqi@0 | 465 | __ cmp(G3_scratch, (int)Bytecodes::_caload); |
aoqi@0 | 466 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
aoqi@0 | 467 | __ delayed()->set(Bytecodes::_fast_icaload, G4_scratch); |
aoqi@0 | 468 | |
aoqi@0 | 469 | __ set(Bytecodes::_fast_iload, G4_scratch); // don't check again |
aoqi@0 | 470 | // rewrite |
aoqi@0 | 471 | // G4_scratch: fast bytecode |
aoqi@0 | 472 | __ bind(rewrite); |
aoqi@0 | 473 | patch_bytecode(Bytecodes::_iload, G4_scratch, G3_scratch, false); |
aoqi@0 | 474 | __ bind(done); |
aoqi@0 | 475 | } |
aoqi@0 | 476 | |
aoqi@0 | 477 | // Get the local value into tos |
aoqi@0 | 478 | locals_index(G3_scratch); |
aoqi@0 | 479 | __ access_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 480 | } |
aoqi@0 | 481 | |
aoqi@0 | 482 | void TemplateTable::fast_iload2() { |
aoqi@0 | 483 | transition(vtos, itos); |
aoqi@0 | 484 | locals_index(G3_scratch); |
aoqi@0 | 485 | __ access_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 486 | __ push_i(); |
aoqi@0 | 487 | locals_index(G3_scratch, 3); // get next bytecode's local index. |
aoqi@0 | 488 | __ access_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 489 | } |
aoqi@0 | 490 | |
aoqi@0 | 491 | void TemplateTable::fast_iload() { |
aoqi@0 | 492 | transition(vtos, itos); |
aoqi@0 | 493 | locals_index(G3_scratch); |
aoqi@0 | 494 | __ access_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 495 | } |
aoqi@0 | 496 | |
aoqi@0 | 497 | void TemplateTable::lload() { |
aoqi@0 | 498 | transition(vtos, ltos); |
aoqi@0 | 499 | locals_index(G3_scratch); |
aoqi@0 | 500 | __ access_local_long( G3_scratch, Otos_l ); |
aoqi@0 | 501 | } |
aoqi@0 | 502 | |
aoqi@0 | 503 | |
aoqi@0 | 504 | void TemplateTable::fload() { |
aoqi@0 | 505 | transition(vtos, ftos); |
aoqi@0 | 506 | locals_index(G3_scratch); |
aoqi@0 | 507 | __ access_local_float( G3_scratch, Ftos_f ); |
aoqi@0 | 508 | } |
aoqi@0 | 509 | |
aoqi@0 | 510 | |
aoqi@0 | 511 | void TemplateTable::dload() { |
aoqi@0 | 512 | transition(vtos, dtos); |
aoqi@0 | 513 | locals_index(G3_scratch); |
aoqi@0 | 514 | __ access_local_double( G3_scratch, Ftos_d ); |
aoqi@0 | 515 | } |
aoqi@0 | 516 | |
aoqi@0 | 517 | |
aoqi@0 | 518 | void TemplateTable::aload() { |
aoqi@0 | 519 | transition(vtos, atos); |
aoqi@0 | 520 | locals_index(G3_scratch); |
aoqi@0 | 521 | __ access_local_ptr( G3_scratch, Otos_i); |
aoqi@0 | 522 | } |
aoqi@0 | 523 | |
aoqi@0 | 524 | |
aoqi@0 | 525 | void TemplateTable::wide_iload() { |
aoqi@0 | 526 | transition(vtos, itos); |
aoqi@0 | 527 | locals_index_wide(G3_scratch); |
aoqi@0 | 528 | __ access_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 529 | } |
aoqi@0 | 530 | |
aoqi@0 | 531 | |
aoqi@0 | 532 | void TemplateTable::wide_lload() { |
aoqi@0 | 533 | transition(vtos, ltos); |
aoqi@0 | 534 | locals_index_wide(G3_scratch); |
aoqi@0 | 535 | __ access_local_long( G3_scratch, Otos_l ); |
aoqi@0 | 536 | } |
aoqi@0 | 537 | |
aoqi@0 | 538 | |
aoqi@0 | 539 | void TemplateTable::wide_fload() { |
aoqi@0 | 540 | transition(vtos, ftos); |
aoqi@0 | 541 | locals_index_wide(G3_scratch); |
aoqi@0 | 542 | __ access_local_float( G3_scratch, Ftos_f ); |
aoqi@0 | 543 | } |
aoqi@0 | 544 | |
aoqi@0 | 545 | |
aoqi@0 | 546 | void TemplateTable::wide_dload() { |
aoqi@0 | 547 | transition(vtos, dtos); |
aoqi@0 | 548 | locals_index_wide(G3_scratch); |
aoqi@0 | 549 | __ access_local_double( G3_scratch, Ftos_d ); |
aoqi@0 | 550 | } |
aoqi@0 | 551 | |
aoqi@0 | 552 | |
aoqi@0 | 553 | void TemplateTable::wide_aload() { |
aoqi@0 | 554 | transition(vtos, atos); |
aoqi@0 | 555 | locals_index_wide(G3_scratch); |
aoqi@0 | 556 | __ access_local_ptr( G3_scratch, Otos_i ); |
aoqi@0 | 557 | __ verify_oop(Otos_i); |
aoqi@0 | 558 | } |
aoqi@0 | 559 | |
aoqi@0 | 560 | |
aoqi@0 | 561 | void TemplateTable::iaload() { |
aoqi@0 | 562 | transition(itos, itos); |
aoqi@0 | 563 | // Otos_i: index |
aoqi@0 | 564 | // tos: array |
aoqi@0 | 565 | __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); |
aoqi@0 | 566 | __ ld(O3, arrayOopDesc::base_offset_in_bytes(T_INT), Otos_i); |
aoqi@0 | 567 | } |
aoqi@0 | 568 | |
aoqi@0 | 569 | |
aoqi@0 | 570 | void TemplateTable::laload() { |
aoqi@0 | 571 | transition(itos, ltos); |
aoqi@0 | 572 | // Otos_i: index |
aoqi@0 | 573 | // O2: array |
aoqi@0 | 574 | __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); |
aoqi@0 | 575 | __ ld_long(O3, arrayOopDesc::base_offset_in_bytes(T_LONG), Otos_l); |
aoqi@0 | 576 | } |
aoqi@0 | 577 | |
aoqi@0 | 578 | |
aoqi@0 | 579 | void TemplateTable::faload() { |
aoqi@0 | 580 | transition(itos, ftos); |
aoqi@0 | 581 | // Otos_i: index |
aoqi@0 | 582 | // O2: array |
aoqi@0 | 583 | __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); |
aoqi@0 | 584 | __ ldf(FloatRegisterImpl::S, O3, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Ftos_f); |
aoqi@0 | 585 | } |
aoqi@0 | 586 | |
aoqi@0 | 587 | |
aoqi@0 | 588 | void TemplateTable::daload() { |
aoqi@0 | 589 | transition(itos, dtos); |
aoqi@0 | 590 | // Otos_i: index |
aoqi@0 | 591 | // O2: array |
aoqi@0 | 592 | __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); |
aoqi@0 | 593 | __ ldf(FloatRegisterImpl::D, O3, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Ftos_d); |
aoqi@0 | 594 | } |
aoqi@0 | 595 | |
aoqi@0 | 596 | |
aoqi@0 | 597 | void TemplateTable::aaload() { |
aoqi@0 | 598 | transition(itos, atos); |
aoqi@0 | 599 | // Otos_i: index |
aoqi@0 | 600 | // tos: array |
aoqi@0 | 601 | __ index_check(O2, Otos_i, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O3); |
aoqi@0 | 602 | __ load_heap_oop(O3, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i); |
aoqi@0 | 603 | __ verify_oop(Otos_i); |
aoqi@0 | 604 | } |
aoqi@0 | 605 | |
aoqi@0 | 606 | |
aoqi@0 | 607 | void TemplateTable::baload() { |
aoqi@0 | 608 | transition(itos, itos); |
aoqi@0 | 609 | // Otos_i: index |
aoqi@0 | 610 | // tos: array |
aoqi@0 | 611 | __ index_check(O2, Otos_i, 0, G3_scratch, O3); |
aoqi@0 | 612 | __ ldsb(O3, arrayOopDesc::base_offset_in_bytes(T_BYTE), Otos_i); |
aoqi@0 | 613 | } |
aoqi@0 | 614 | |
aoqi@0 | 615 | |
aoqi@0 | 616 | void TemplateTable::caload() { |
aoqi@0 | 617 | transition(itos, itos); |
aoqi@0 | 618 | // Otos_i: index |
aoqi@0 | 619 | // tos: array |
aoqi@0 | 620 | __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); |
aoqi@0 | 621 | __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); |
aoqi@0 | 622 | } |
aoqi@0 | 623 | |
aoqi@0 | 624 | void TemplateTable::fast_icaload() { |
aoqi@0 | 625 | transition(vtos, itos); |
aoqi@0 | 626 | // Otos_i: index |
aoqi@0 | 627 | // tos: array |
aoqi@0 | 628 | locals_index(G3_scratch); |
aoqi@0 | 629 | __ access_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 630 | __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); |
aoqi@0 | 631 | __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); |
aoqi@0 | 632 | } |
aoqi@0 | 633 | |
aoqi@0 | 634 | |
aoqi@0 | 635 | void TemplateTable::saload() { |
aoqi@0 | 636 | transition(itos, itos); |
aoqi@0 | 637 | // Otos_i: index |
aoqi@0 | 638 | // tos: array |
aoqi@0 | 639 | __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); |
aoqi@0 | 640 | __ ldsh(O3, arrayOopDesc::base_offset_in_bytes(T_SHORT), Otos_i); |
aoqi@0 | 641 | } |
aoqi@0 | 642 | |
aoqi@0 | 643 | |
aoqi@0 | 644 | void TemplateTable::iload(int n) { |
aoqi@0 | 645 | transition(vtos, itos); |
aoqi@0 | 646 | __ ld( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); |
aoqi@0 | 647 | } |
aoqi@0 | 648 | |
aoqi@0 | 649 | |
aoqi@0 | 650 | void TemplateTable::lload(int n) { |
aoqi@0 | 651 | transition(vtos, ltos); |
aoqi@0 | 652 | assert(n+1 < Argument::n_register_parameters, "would need more code"); |
aoqi@0 | 653 | __ load_unaligned_long(Llocals, Interpreter::local_offset_in_bytes(n+1), Otos_l); |
aoqi@0 | 654 | } |
aoqi@0 | 655 | |
aoqi@0 | 656 | |
aoqi@0 | 657 | void TemplateTable::fload(int n) { |
aoqi@0 | 658 | transition(vtos, ftos); |
aoqi@0 | 659 | assert(n < Argument::n_register_parameters, "would need more code"); |
aoqi@0 | 660 | __ ldf( FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(n), Ftos_f ); |
aoqi@0 | 661 | } |
aoqi@0 | 662 | |
aoqi@0 | 663 | |
aoqi@0 | 664 | void TemplateTable::dload(int n) { |
aoqi@0 | 665 | transition(vtos, dtos); |
aoqi@0 | 666 | FloatRegister dst = Ftos_d; |
aoqi@0 | 667 | __ load_unaligned_double(Llocals, Interpreter::local_offset_in_bytes(n+1), dst); |
aoqi@0 | 668 | } |
aoqi@0 | 669 | |
aoqi@0 | 670 | |
aoqi@0 | 671 | void TemplateTable::aload(int n) { |
aoqi@0 | 672 | transition(vtos, atos); |
aoqi@0 | 673 | __ ld_ptr( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); |
aoqi@0 | 674 | } |
aoqi@0 | 675 | |
aoqi@0 | 676 | |
aoqi@0 | 677 | void TemplateTable::aload_0() { |
aoqi@0 | 678 | transition(vtos, atos); |
aoqi@0 | 679 | |
aoqi@0 | 680 | // According to bytecode histograms, the pairs: |
aoqi@0 | 681 | // |
aoqi@0 | 682 | // _aload_0, _fast_igetfield (itos) |
aoqi@0 | 683 | // _aload_0, _fast_agetfield (atos) |
aoqi@0 | 684 | // _aload_0, _fast_fgetfield (ftos) |
aoqi@0 | 685 | // |
aoqi@0 | 686 | // occur frequently. If RewriteFrequentPairs is set, the (slow) _aload_0 |
aoqi@0 | 687 | // bytecode checks the next bytecode and then rewrites the current |
aoqi@0 | 688 | // bytecode into a pair bytecode; otherwise it rewrites the current |
aoqi@0 | 689 | // bytecode into _fast_aload_0 that doesn't do the pair check anymore. |
aoqi@0 | 690 | // |
aoqi@0 | 691 | if (RewriteFrequentPairs) { |
aoqi@0 | 692 | Label rewrite, done; |
aoqi@0 | 693 | |
aoqi@0 | 694 | // get next byte |
aoqi@0 | 695 | __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_aload_0)), G3_scratch); |
aoqi@0 | 696 | |
aoqi@0 | 697 | // do actual aload_0 |
aoqi@0 | 698 | aload(0); |
aoqi@0 | 699 | |
aoqi@0 | 700 | // if _getfield then wait with rewrite |
aoqi@0 | 701 | __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_getfield, Assembler::equal, Assembler::pn, done); |
aoqi@0 | 702 | |
aoqi@0 | 703 | // if _igetfield then rewrite to _fast_iaccess_0 |
aoqi@0 | 704 | assert(Bytecodes::java_code(Bytecodes::_fast_iaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
aoqi@0 | 705 | __ cmp(G3_scratch, (int)Bytecodes::_fast_igetfield); |
aoqi@0 | 706 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
aoqi@0 | 707 | __ delayed()->set(Bytecodes::_fast_iaccess_0, G4_scratch); |
aoqi@0 | 708 | |
aoqi@0 | 709 | // if _agetfield then rewrite to _fast_aaccess_0 |
aoqi@0 | 710 | assert(Bytecodes::java_code(Bytecodes::_fast_aaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
aoqi@0 | 711 | __ cmp(G3_scratch, (int)Bytecodes::_fast_agetfield); |
aoqi@0 | 712 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
aoqi@0 | 713 | __ delayed()->set(Bytecodes::_fast_aaccess_0, G4_scratch); |
aoqi@0 | 714 | |
aoqi@0 | 715 | // if _fgetfield then rewrite to _fast_faccess_0 |
aoqi@0 | 716 | assert(Bytecodes::java_code(Bytecodes::_fast_faccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
aoqi@0 | 717 | __ cmp(G3_scratch, (int)Bytecodes::_fast_fgetfield); |
aoqi@0 | 718 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
aoqi@0 | 719 | __ delayed()->set(Bytecodes::_fast_faccess_0, G4_scratch); |
aoqi@0 | 720 | |
aoqi@0 | 721 | // else rewrite to _fast_aload0 |
aoqi@0 | 722 | assert(Bytecodes::java_code(Bytecodes::_fast_aload_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
aoqi@0 | 723 | __ set(Bytecodes::_fast_aload_0, G4_scratch); |
aoqi@0 | 724 | |
aoqi@0 | 725 | // rewrite |
aoqi@0 | 726 | // G4_scratch: fast bytecode |
aoqi@0 | 727 | __ bind(rewrite); |
aoqi@0 | 728 | patch_bytecode(Bytecodes::_aload_0, G4_scratch, G3_scratch, false); |
aoqi@0 | 729 | __ bind(done); |
aoqi@0 | 730 | } else { |
aoqi@0 | 731 | aload(0); |
aoqi@0 | 732 | } |
aoqi@0 | 733 | } |
aoqi@0 | 734 | |
aoqi@0 | 735 | |
aoqi@0 | 736 | void TemplateTable::istore() { |
aoqi@0 | 737 | transition(itos, vtos); |
aoqi@0 | 738 | locals_index(G3_scratch); |
aoqi@0 | 739 | __ store_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 740 | } |
aoqi@0 | 741 | |
aoqi@0 | 742 | |
aoqi@0 | 743 | void TemplateTable::lstore() { |
aoqi@0 | 744 | transition(ltos, vtos); |
aoqi@0 | 745 | locals_index(G3_scratch); |
aoqi@0 | 746 | __ store_local_long( G3_scratch, Otos_l ); |
aoqi@0 | 747 | } |
aoqi@0 | 748 | |
aoqi@0 | 749 | |
aoqi@0 | 750 | void TemplateTable::fstore() { |
aoqi@0 | 751 | transition(ftos, vtos); |
aoqi@0 | 752 | locals_index(G3_scratch); |
aoqi@0 | 753 | __ store_local_float( G3_scratch, Ftos_f ); |
aoqi@0 | 754 | } |
aoqi@0 | 755 | |
aoqi@0 | 756 | |
aoqi@0 | 757 | void TemplateTable::dstore() { |
aoqi@0 | 758 | transition(dtos, vtos); |
aoqi@0 | 759 | locals_index(G3_scratch); |
aoqi@0 | 760 | __ store_local_double( G3_scratch, Ftos_d ); |
aoqi@0 | 761 | } |
aoqi@0 | 762 | |
aoqi@0 | 763 | |
aoqi@0 | 764 | void TemplateTable::astore() { |
aoqi@0 | 765 | transition(vtos, vtos); |
aoqi@0 | 766 | __ load_ptr(0, Otos_i); |
aoqi@0 | 767 | __ inc(Lesp, Interpreter::stackElementSize); |
aoqi@0 | 768 | __ verify_oop_or_return_address(Otos_i, G3_scratch); |
aoqi@0 | 769 | locals_index(G3_scratch); |
aoqi@0 | 770 | __ store_local_ptr(G3_scratch, Otos_i); |
aoqi@0 | 771 | } |
aoqi@0 | 772 | |
aoqi@0 | 773 | |
aoqi@0 | 774 | void TemplateTable::wide_istore() { |
aoqi@0 | 775 | transition(vtos, vtos); |
aoqi@0 | 776 | __ pop_i(); |
aoqi@0 | 777 | locals_index_wide(G3_scratch); |
aoqi@0 | 778 | __ store_local_int( G3_scratch, Otos_i ); |
aoqi@0 | 779 | } |
aoqi@0 | 780 | |
aoqi@0 | 781 | |
aoqi@0 | 782 | void TemplateTable::wide_lstore() { |
aoqi@0 | 783 | transition(vtos, vtos); |
aoqi@0 | 784 | __ pop_l(); |
aoqi@0 | 785 | locals_index_wide(G3_scratch); |
aoqi@0 | 786 | __ store_local_long( G3_scratch, Otos_l ); |
aoqi@0 | 787 | } |
aoqi@0 | 788 | |
aoqi@0 | 789 | |
aoqi@0 | 790 | void TemplateTable::wide_fstore() { |
aoqi@0 | 791 | transition(vtos, vtos); |
aoqi@0 | 792 | __ pop_f(); |
aoqi@0 | 793 | locals_index_wide(G3_scratch); |
aoqi@0 | 794 | __ store_local_float( G3_scratch, Ftos_f ); |
aoqi@0 | 795 | } |
aoqi@0 | 796 | |
aoqi@0 | 797 | |
aoqi@0 | 798 | void TemplateTable::wide_dstore() { |
aoqi@0 | 799 | transition(vtos, vtos); |
aoqi@0 | 800 | __ pop_d(); |
aoqi@0 | 801 | locals_index_wide(G3_scratch); |
aoqi@0 | 802 | __ store_local_double( G3_scratch, Ftos_d ); |
aoqi@0 | 803 | } |
aoqi@0 | 804 | |
aoqi@0 | 805 | |
aoqi@0 | 806 | void TemplateTable::wide_astore() { |
aoqi@0 | 807 | transition(vtos, vtos); |
aoqi@0 | 808 | __ load_ptr(0, Otos_i); |
aoqi@0 | 809 | __ inc(Lesp, Interpreter::stackElementSize); |
aoqi@0 | 810 | __ verify_oop_or_return_address(Otos_i, G3_scratch); |
aoqi@0 | 811 | locals_index_wide(G3_scratch); |
aoqi@0 | 812 | __ store_local_ptr(G3_scratch, Otos_i); |
aoqi@0 | 813 | } |
aoqi@0 | 814 | |
aoqi@0 | 815 | |
aoqi@0 | 816 | void TemplateTable::iastore() { |
aoqi@0 | 817 | transition(itos, vtos); |
aoqi@0 | 818 | __ pop_i(O2); // index |
aoqi@0 | 819 | // Otos_i: val |
aoqi@0 | 820 | // O3: array |
aoqi@0 | 821 | __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); |
aoqi@0 | 822 | __ st(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_INT)); |
aoqi@0 | 823 | } |
aoqi@0 | 824 | |
aoqi@0 | 825 | |
aoqi@0 | 826 | void TemplateTable::lastore() { |
aoqi@0 | 827 | transition(ltos, vtos); |
aoqi@0 | 828 | __ pop_i(O2); // index |
aoqi@0 | 829 | // Otos_l: val |
aoqi@0 | 830 | // O3: array |
aoqi@0 | 831 | __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); |
aoqi@0 | 832 | __ st_long(Otos_l, O2, arrayOopDesc::base_offset_in_bytes(T_LONG)); |
aoqi@0 | 833 | } |
aoqi@0 | 834 | |
aoqi@0 | 835 | |
aoqi@0 | 836 | void TemplateTable::fastore() { |
aoqi@0 | 837 | transition(ftos, vtos); |
aoqi@0 | 838 | __ pop_i(O2); // index |
aoqi@0 | 839 | // Ftos_f: val |
aoqi@0 | 840 | // O3: array |
aoqi@0 | 841 | __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); |
aoqi@0 | 842 | __ stf(FloatRegisterImpl::S, Ftos_f, O2, arrayOopDesc::base_offset_in_bytes(T_FLOAT)); |
aoqi@0 | 843 | } |
aoqi@0 | 844 | |
aoqi@0 | 845 | |
aoqi@0 | 846 | void TemplateTable::dastore() { |
aoqi@0 | 847 | transition(dtos, vtos); |
aoqi@0 | 848 | __ pop_i(O2); // index |
aoqi@0 | 849 | // Fos_d: val |
aoqi@0 | 850 | // O3: array |
aoqi@0 | 851 | __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); |
aoqi@0 | 852 | __ stf(FloatRegisterImpl::D, Ftos_d, O2, arrayOopDesc::base_offset_in_bytes(T_DOUBLE)); |
aoqi@0 | 853 | } |
aoqi@0 | 854 | |
aoqi@0 | 855 | |
aoqi@0 | 856 | void TemplateTable::aastore() { |
aoqi@0 | 857 | Label store_ok, is_null, done; |
aoqi@0 | 858 | transition(vtos, vtos); |
aoqi@0 | 859 | __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); |
aoqi@0 | 860 | __ ld(Lesp, Interpreter::expr_offset_in_bytes(1), O2); // get index |
aoqi@0 | 861 | __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(2), O3); // get array |
aoqi@0 | 862 | // Otos_i: val |
aoqi@0 | 863 | // O2: index |
aoqi@0 | 864 | // O3: array |
aoqi@0 | 865 | __ verify_oop(Otos_i); |
aoqi@0 | 866 | __ index_check_without_pop(O3, O2, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O1); |
aoqi@0 | 867 | |
aoqi@0 | 868 | // do array store check - check for NULL value first |
aoqi@0 | 869 | __ br_null_short( Otos_i, Assembler::pn, is_null ); |
aoqi@0 | 870 | |
aoqi@0 | 871 | __ load_klass(O3, O4); // get array klass |
aoqi@0 | 872 | __ load_klass(Otos_i, O5); // get value klass |
aoqi@0 | 873 | |
aoqi@0 | 874 | // do fast instanceof cache test |
aoqi@0 | 875 | |
aoqi@0 | 876 | __ ld_ptr(O4, in_bytes(ObjArrayKlass::element_klass_offset()), O4); |
aoqi@0 | 877 | |
aoqi@0 | 878 | assert(Otos_i == O0, "just checking"); |
aoqi@0 | 879 | |
aoqi@0 | 880 | // Otos_i: value |
aoqi@0 | 881 | // O1: addr - offset |
aoqi@0 | 882 | // O2: index |
aoqi@0 | 883 | // O3: array |
aoqi@0 | 884 | // O4: array element klass |
aoqi@0 | 885 | // O5: value klass |
aoqi@0 | 886 | |
aoqi@0 | 887 | // Address element(O1, 0, arrayOopDesc::base_offset_in_bytes(T_OBJECT)); |
aoqi@0 | 888 | |
aoqi@0 | 889 | // Generate a fast subtype check. Branch to store_ok if no |
aoqi@0 | 890 | // failure. Throw if failure. |
aoqi@0 | 891 | __ gen_subtype_check( O5, O4, G3_scratch, G4_scratch, G1_scratch, store_ok ); |
aoqi@0 | 892 | |
aoqi@0 | 893 | // Not a subtype; so must throw exception |
aoqi@0 | 894 | __ throw_if_not_x( Assembler::never, Interpreter::_throw_ArrayStoreException_entry, G3_scratch ); |
aoqi@0 | 895 | |
aoqi@0 | 896 | // Store is OK. |
aoqi@0 | 897 | __ bind(store_ok); |
aoqi@0 | 898 | do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i, G3_scratch, _bs->kind(), true); |
aoqi@0 | 899 | |
aoqi@0 | 900 | __ ba(done); |
aoqi@0 | 901 | __ delayed()->inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
aoqi@0 | 902 | |
aoqi@0 | 903 | __ bind(is_null); |
aoqi@0 | 904 | do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), G0, G4_scratch, _bs->kind(), true); |
aoqi@0 | 905 | |
aoqi@0 | 906 | __ profile_null_seen(G3_scratch); |
aoqi@0 | 907 | __ inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
aoqi@0 | 908 | __ bind(done); |
aoqi@0 | 909 | } |
aoqi@0 | 910 | |
aoqi@0 | 911 | |
aoqi@0 | 912 | void TemplateTable::bastore() { |
aoqi@0 | 913 | transition(itos, vtos); |
aoqi@0 | 914 | __ pop_i(O2); // index |
aoqi@0 | 915 | // Otos_i: val |
aoqi@0 | 916 | // O3: array |
aoqi@0 | 917 | __ index_check(O3, O2, 0, G3_scratch, O2); |
aoqi@0 | 918 | __ stb(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_BYTE)); |
aoqi@0 | 919 | } |
aoqi@0 | 920 | |
aoqi@0 | 921 | |
aoqi@0 | 922 | void TemplateTable::castore() { |
aoqi@0 | 923 | transition(itos, vtos); |
aoqi@0 | 924 | __ pop_i(O2); // index |
aoqi@0 | 925 | // Otos_i: val |
aoqi@0 | 926 | // O3: array |
aoqi@0 | 927 | __ index_check(O3, O2, LogBytesPerShort, G3_scratch, O2); |
aoqi@0 | 928 | __ sth(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_CHAR)); |
aoqi@0 | 929 | } |
aoqi@0 | 930 | |
aoqi@0 | 931 | |
aoqi@0 | 932 | void TemplateTable::sastore() { |
aoqi@0 | 933 | // %%%%% Factor across platform |
aoqi@0 | 934 | castore(); |
aoqi@0 | 935 | } |
aoqi@0 | 936 | |
aoqi@0 | 937 | |
aoqi@0 | 938 | void TemplateTable::istore(int n) { |
aoqi@0 | 939 | transition(itos, vtos); |
aoqi@0 | 940 | __ st(Otos_i, Llocals, Interpreter::local_offset_in_bytes(n)); |
aoqi@0 | 941 | } |
aoqi@0 | 942 | |
aoqi@0 | 943 | |
aoqi@0 | 944 | void TemplateTable::lstore(int n) { |
aoqi@0 | 945 | transition(ltos, vtos); |
aoqi@0 | 946 | assert(n+1 < Argument::n_register_parameters, "only handle register cases"); |
aoqi@0 | 947 | __ store_unaligned_long(Otos_l, Llocals, Interpreter::local_offset_in_bytes(n+1)); |
aoqi@0 | 948 | |
aoqi@0 | 949 | } |
aoqi@0 | 950 | |
aoqi@0 | 951 | |
aoqi@0 | 952 | void TemplateTable::fstore(int n) { |
aoqi@0 | 953 | transition(ftos, vtos); |
aoqi@0 | 954 | assert(n < Argument::n_register_parameters, "only handle register cases"); |
aoqi@0 | 955 | __ stf(FloatRegisterImpl::S, Ftos_f, Llocals, Interpreter::local_offset_in_bytes(n)); |
aoqi@0 | 956 | } |
aoqi@0 | 957 | |
aoqi@0 | 958 | |
aoqi@0 | 959 | void TemplateTable::dstore(int n) { |
aoqi@0 | 960 | transition(dtos, vtos); |
aoqi@0 | 961 | FloatRegister src = Ftos_d; |
aoqi@0 | 962 | __ store_unaligned_double(src, Llocals, Interpreter::local_offset_in_bytes(n+1)); |
aoqi@0 | 963 | } |
aoqi@0 | 964 | |
aoqi@0 | 965 | |
aoqi@0 | 966 | void TemplateTable::astore(int n) { |
aoqi@0 | 967 | transition(vtos, vtos); |
aoqi@0 | 968 | __ load_ptr(0, Otos_i); |
aoqi@0 | 969 | __ inc(Lesp, Interpreter::stackElementSize); |
aoqi@0 | 970 | __ verify_oop_or_return_address(Otos_i, G3_scratch); |
aoqi@0 | 971 | __ store_local_ptr(n, Otos_i); |
aoqi@0 | 972 | } |
aoqi@0 | 973 | |
aoqi@0 | 974 | |
aoqi@0 | 975 | void TemplateTable::pop() { |
aoqi@0 | 976 | transition(vtos, vtos); |
aoqi@0 | 977 | __ inc(Lesp, Interpreter::stackElementSize); |
aoqi@0 | 978 | } |
aoqi@0 | 979 | |
aoqi@0 | 980 | |
aoqi@0 | 981 | void TemplateTable::pop2() { |
aoqi@0 | 982 | transition(vtos, vtos); |
aoqi@0 | 983 | __ inc(Lesp, 2 * Interpreter::stackElementSize); |
aoqi@0 | 984 | } |
aoqi@0 | 985 | |
aoqi@0 | 986 | |
aoqi@0 | 987 | void TemplateTable::dup() { |
aoqi@0 | 988 | transition(vtos, vtos); |
aoqi@0 | 989 | // stack: ..., a |
aoqi@0 | 990 | // load a and tag |
aoqi@0 | 991 | __ load_ptr(0, Otos_i); |
aoqi@0 | 992 | __ push_ptr(Otos_i); |
aoqi@0 | 993 | // stack: ..., a, a |
aoqi@0 | 994 | } |
aoqi@0 | 995 | |
aoqi@0 | 996 | |
aoqi@0 | 997 | void TemplateTable::dup_x1() { |
aoqi@0 | 998 | transition(vtos, vtos); |
aoqi@0 | 999 | // stack: ..., a, b |
aoqi@0 | 1000 | __ load_ptr( 1, G3_scratch); // get a |
aoqi@0 | 1001 | __ load_ptr( 0, Otos_l1); // get b |
aoqi@0 | 1002 | __ store_ptr(1, Otos_l1); // put b |
aoqi@0 | 1003 | __ store_ptr(0, G3_scratch); // put a - like swap |
aoqi@0 | 1004 | __ push_ptr(Otos_l1); // push b |
aoqi@0 | 1005 | // stack: ..., b, a, b |
aoqi@0 | 1006 | } |
aoqi@0 | 1007 | |
aoqi@0 | 1008 | |
aoqi@0 | 1009 | void TemplateTable::dup_x2() { |
aoqi@0 | 1010 | transition(vtos, vtos); |
aoqi@0 | 1011 | // stack: ..., a, b, c |
aoqi@0 | 1012 | // get c and push on stack, reuse registers |
aoqi@0 | 1013 | __ load_ptr( 0, G3_scratch); // get c |
aoqi@0 | 1014 | __ push_ptr(G3_scratch); // push c with tag |
aoqi@0 | 1015 | // stack: ..., a, b, c, c (c in reg) (Lesp - 4) |
aoqi@0 | 1016 | // (stack offsets n+1 now) |
aoqi@0 | 1017 | __ load_ptr( 3, Otos_l1); // get a |
aoqi@0 | 1018 | __ store_ptr(3, G3_scratch); // put c at 3 |
aoqi@0 | 1019 | // stack: ..., c, b, c, c (a in reg) |
aoqi@0 | 1020 | __ load_ptr( 2, G3_scratch); // get b |
aoqi@0 | 1021 | __ store_ptr(2, Otos_l1); // put a at 2 |
aoqi@0 | 1022 | // stack: ..., c, a, c, c (b in reg) |
aoqi@0 | 1023 | __ store_ptr(1, G3_scratch); // put b at 1 |
aoqi@0 | 1024 | // stack: ..., c, a, b, c |
aoqi@0 | 1025 | } |
aoqi@0 | 1026 | |
aoqi@0 | 1027 | |
aoqi@0 | 1028 | void TemplateTable::dup2() { |
aoqi@0 | 1029 | transition(vtos, vtos); |
aoqi@0 | 1030 | __ load_ptr(1, G3_scratch); // get a |
aoqi@0 | 1031 | __ load_ptr(0, Otos_l1); // get b |
aoqi@0 | 1032 | __ push_ptr(G3_scratch); // push a |
aoqi@0 | 1033 | __ push_ptr(Otos_l1); // push b |
aoqi@0 | 1034 | // stack: ..., a, b, a, b |
aoqi@0 | 1035 | } |
aoqi@0 | 1036 | |
aoqi@0 | 1037 | |
aoqi@0 | 1038 | void TemplateTable::dup2_x1() { |
aoqi@0 | 1039 | transition(vtos, vtos); |
aoqi@0 | 1040 | // stack: ..., a, b, c |
aoqi@0 | 1041 | __ load_ptr( 1, Lscratch); // get b |
aoqi@0 | 1042 | __ load_ptr( 2, Otos_l1); // get a |
aoqi@0 | 1043 | __ store_ptr(2, Lscratch); // put b at a |
aoqi@0 | 1044 | // stack: ..., b, b, c |
aoqi@0 | 1045 | __ load_ptr( 0, G3_scratch); // get c |
aoqi@0 | 1046 | __ store_ptr(1, G3_scratch); // put c at b |
aoqi@0 | 1047 | // stack: ..., b, c, c |
aoqi@0 | 1048 | __ store_ptr(0, Otos_l1); // put a at c |
aoqi@0 | 1049 | // stack: ..., b, c, a |
aoqi@0 | 1050 | __ push_ptr(Lscratch); // push b |
aoqi@0 | 1051 | __ push_ptr(G3_scratch); // push c |
aoqi@0 | 1052 | // stack: ..., b, c, a, b, c |
aoqi@0 | 1053 | } |
aoqi@0 | 1054 | |
aoqi@0 | 1055 | |
aoqi@0 | 1056 | // The spec says that these types can be a mixture of category 1 (1 word) |
aoqi@0 | 1057 | // types and/or category 2 types (long and doubles) |
aoqi@0 | 1058 | void TemplateTable::dup2_x2() { |
aoqi@0 | 1059 | transition(vtos, vtos); |
aoqi@0 | 1060 | // stack: ..., a, b, c, d |
aoqi@0 | 1061 | __ load_ptr( 1, Lscratch); // get c |
aoqi@0 | 1062 | __ load_ptr( 3, Otos_l1); // get a |
aoqi@0 | 1063 | __ store_ptr(3, Lscratch); // put c at 3 |
aoqi@0 | 1064 | __ store_ptr(1, Otos_l1); // put a at 1 |
aoqi@0 | 1065 | // stack: ..., c, b, a, d |
aoqi@0 | 1066 | __ load_ptr( 2, G3_scratch); // get b |
aoqi@0 | 1067 | __ load_ptr( 0, Otos_l1); // get d |
aoqi@0 | 1068 | __ store_ptr(0, G3_scratch); // put b at 0 |
aoqi@0 | 1069 | __ store_ptr(2, Otos_l1); // put d at 2 |
aoqi@0 | 1070 | // stack: ..., c, d, a, b |
aoqi@0 | 1071 | __ push_ptr(Lscratch); // push c |
aoqi@0 | 1072 | __ push_ptr(Otos_l1); // push d |
aoqi@0 | 1073 | // stack: ..., c, d, a, b, c, d |
aoqi@0 | 1074 | } |
aoqi@0 | 1075 | |
aoqi@0 | 1076 | |
aoqi@0 | 1077 | void TemplateTable::swap() { |
aoqi@0 | 1078 | transition(vtos, vtos); |
aoqi@0 | 1079 | // stack: ..., a, b |
aoqi@0 | 1080 | __ load_ptr( 1, G3_scratch); // get a |
aoqi@0 | 1081 | __ load_ptr( 0, Otos_l1); // get b |
aoqi@0 | 1082 | __ store_ptr(0, G3_scratch); // put b |
aoqi@0 | 1083 | __ store_ptr(1, Otos_l1); // put a |
aoqi@0 | 1084 | // stack: ..., b, a |
aoqi@0 | 1085 | } |
aoqi@0 | 1086 | |
aoqi@0 | 1087 | |
aoqi@0 | 1088 | void TemplateTable::iop2(Operation op) { |
aoqi@0 | 1089 | transition(itos, itos); |
aoqi@0 | 1090 | __ pop_i(O1); |
aoqi@0 | 1091 | switch (op) { |
aoqi@0 | 1092 | case add: __ add(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1093 | case sub: __ sub(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1094 | // %%%%% Mul may not exist: better to call .mul? |
aoqi@0 | 1095 | case mul: __ smul(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1096 | case _and: __ and3(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1097 | case _or: __ or3(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1098 | case _xor: __ xor3(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1099 | case shl: __ sll(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1100 | case shr: __ sra(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1101 | case ushr: __ srl(O1, Otos_i, Otos_i); break; |
aoqi@0 | 1102 | default: ShouldNotReachHere(); |
aoqi@0 | 1103 | } |
aoqi@0 | 1104 | } |
aoqi@0 | 1105 | |
aoqi@0 | 1106 | |
aoqi@0 | 1107 | void TemplateTable::lop2(Operation op) { |
aoqi@0 | 1108 | transition(ltos, ltos); |
aoqi@0 | 1109 | __ pop_l(O2); |
aoqi@0 | 1110 | switch (op) { |
aoqi@0 | 1111 | #ifdef _LP64 |
aoqi@0 | 1112 | case add: __ add(O2, Otos_l, Otos_l); break; |
aoqi@0 | 1113 | case sub: __ sub(O2, Otos_l, Otos_l); break; |
aoqi@0 | 1114 | case _and: __ and3(O2, Otos_l, Otos_l); break; |
aoqi@0 | 1115 | case _or: __ or3(O2, Otos_l, Otos_l); break; |
aoqi@0 | 1116 | case _xor: __ xor3(O2, Otos_l, Otos_l); break; |
aoqi@0 | 1117 | #else |
aoqi@0 | 1118 | case add: __ addcc(O3, Otos_l2, Otos_l2); __ addc(O2, Otos_l1, Otos_l1); break; |
aoqi@0 | 1119 | case sub: __ subcc(O3, Otos_l2, Otos_l2); __ subc(O2, Otos_l1, Otos_l1); break; |
aoqi@0 | 1120 | case _and: __ and3(O3, Otos_l2, Otos_l2); __ and3(O2, Otos_l1, Otos_l1); break; |
aoqi@0 | 1121 | case _or: __ or3(O3, Otos_l2, Otos_l2); __ or3(O2, Otos_l1, Otos_l1); break; |
aoqi@0 | 1122 | case _xor: __ xor3(O3, Otos_l2, Otos_l2); __ xor3(O2, Otos_l1, Otos_l1); break; |
aoqi@0 | 1123 | #endif |
aoqi@0 | 1124 | default: ShouldNotReachHere(); |
aoqi@0 | 1125 | } |
aoqi@0 | 1126 | } |
aoqi@0 | 1127 | |
aoqi@0 | 1128 | |
aoqi@0 | 1129 | void TemplateTable::idiv() { |
aoqi@0 | 1130 | // %%%%% Later: ForSPARC/V7 call .sdiv library routine, |
aoqi@0 | 1131 | // %%%%% Use ldsw...sdivx on pure V9 ABI. 64 bit safe. |
aoqi@0 | 1132 | |
aoqi@0 | 1133 | transition(itos, itos); |
aoqi@0 | 1134 | __ pop_i(O1); // get 1st op |
aoqi@0 | 1135 | |
aoqi@0 | 1136 | // Y contains upper 32 bits of result, set it to 0 or all ones |
aoqi@0 | 1137 | __ wry(G0); |
aoqi@0 | 1138 | __ mov(~0, G3_scratch); |
aoqi@0 | 1139 | |
aoqi@0 | 1140 | __ tst(O1); |
aoqi@0 | 1141 | Label neg; |
aoqi@0 | 1142 | __ br(Assembler::negative, true, Assembler::pn, neg); |
aoqi@0 | 1143 | __ delayed()->wry(G3_scratch); |
aoqi@0 | 1144 | __ bind(neg); |
aoqi@0 | 1145 | |
aoqi@0 | 1146 | Label ok; |
aoqi@0 | 1147 | __ tst(Otos_i); |
aoqi@0 | 1148 | __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch ); |
aoqi@0 | 1149 | |
aoqi@0 | 1150 | const int min_int = 0x80000000; |
aoqi@0 | 1151 | Label regular; |
aoqi@0 | 1152 | __ cmp(Otos_i, -1); |
aoqi@0 | 1153 | __ br(Assembler::notEqual, false, Assembler::pt, regular); |
aoqi@0 | 1154 | #ifdef _LP64 |
aoqi@0 | 1155 | // Don't put set in delay slot |
aoqi@0 | 1156 | // Set will turn into multiple instructions in 64 bit mode |
aoqi@0 | 1157 | __ delayed()->nop(); |
aoqi@0 | 1158 | __ set(min_int, G4_scratch); |
aoqi@0 | 1159 | #else |
aoqi@0 | 1160 | __ delayed()->set(min_int, G4_scratch); |
aoqi@0 | 1161 | #endif |
aoqi@0 | 1162 | Label done; |
aoqi@0 | 1163 | __ cmp(O1, G4_scratch); |
aoqi@0 | 1164 | __ br(Assembler::equal, true, Assembler::pt, done); |
aoqi@0 | 1165 | __ delayed()->mov(O1, Otos_i); // (mov only executed if branch taken) |
aoqi@0 | 1166 | |
aoqi@0 | 1167 | __ bind(regular); |
aoqi@0 | 1168 | __ sdiv(O1, Otos_i, Otos_i); // note: irem uses O1 after this instruction! |
aoqi@0 | 1169 | __ bind(done); |
aoqi@0 | 1170 | } |
aoqi@0 | 1171 | |
aoqi@0 | 1172 | |
aoqi@0 | 1173 | void TemplateTable::irem() { |
aoqi@0 | 1174 | transition(itos, itos); |
aoqi@0 | 1175 | __ mov(Otos_i, O2); // save divisor |
aoqi@0 | 1176 | idiv(); // %%%% Hack: exploits fact that idiv leaves dividend in O1 |
aoqi@0 | 1177 | __ smul(Otos_i, O2, Otos_i); |
aoqi@0 | 1178 | __ sub(O1, Otos_i, Otos_i); |
aoqi@0 | 1179 | } |
aoqi@0 | 1180 | |
aoqi@0 | 1181 | |
aoqi@0 | 1182 | void TemplateTable::lmul() { |
aoqi@0 | 1183 | transition(ltos, ltos); |
aoqi@0 | 1184 | __ pop_l(O2); |
aoqi@0 | 1185 | #ifdef _LP64 |
aoqi@0 | 1186 | __ mulx(Otos_l, O2, Otos_l); |
aoqi@0 | 1187 | #else |
aoqi@0 | 1188 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lmul)); |
aoqi@0 | 1189 | #endif |
aoqi@0 | 1190 | |
aoqi@0 | 1191 | } |
aoqi@0 | 1192 | |
aoqi@0 | 1193 | |
aoqi@0 | 1194 | void TemplateTable::ldiv() { |
aoqi@0 | 1195 | transition(ltos, ltos); |
aoqi@0 | 1196 | |
aoqi@0 | 1197 | // check for zero |
aoqi@0 | 1198 | __ pop_l(O2); |
aoqi@0 | 1199 | #ifdef _LP64 |
aoqi@0 | 1200 | __ tst(Otos_l); |
aoqi@0 | 1201 | __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
aoqi@0 | 1202 | __ sdivx(O2, Otos_l, Otos_l); |
aoqi@0 | 1203 | #else |
aoqi@0 | 1204 | __ orcc(Otos_l1, Otos_l2, G0); |
aoqi@0 | 1205 | __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
aoqi@0 | 1206 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::ldiv)); |
aoqi@0 | 1207 | #endif |
aoqi@0 | 1208 | } |
aoqi@0 | 1209 | |
aoqi@0 | 1210 | |
aoqi@0 | 1211 | void TemplateTable::lrem() { |
aoqi@0 | 1212 | transition(ltos, ltos); |
aoqi@0 | 1213 | |
aoqi@0 | 1214 | // check for zero |
aoqi@0 | 1215 | __ pop_l(O2); |
aoqi@0 | 1216 | #ifdef _LP64 |
aoqi@0 | 1217 | __ tst(Otos_l); |
aoqi@0 | 1218 | __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
aoqi@0 | 1219 | __ sdivx(O2, Otos_l, Otos_l2); |
aoqi@0 | 1220 | __ mulx (Otos_l2, Otos_l, Otos_l2); |
aoqi@0 | 1221 | __ sub (O2, Otos_l2, Otos_l); |
aoqi@0 | 1222 | #else |
aoqi@0 | 1223 | __ orcc(Otos_l1, Otos_l2, G0); |
aoqi@0 | 1224 | __ throw_if_not_icc(Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
aoqi@0 | 1225 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lrem)); |
aoqi@0 | 1226 | #endif |
aoqi@0 | 1227 | } |
aoqi@0 | 1228 | |
aoqi@0 | 1229 | |
aoqi@0 | 1230 | void TemplateTable::lshl() { |
aoqi@0 | 1231 | transition(itos, ltos); // %%%% could optimize, fill delay slot or opt for ultra |
aoqi@0 | 1232 | |
aoqi@0 | 1233 | __ pop_l(O2); // shift value in O2, O3 |
aoqi@0 | 1234 | #ifdef _LP64 |
aoqi@0 | 1235 | __ sllx(O2, Otos_i, Otos_l); |
aoqi@0 | 1236 | #else |
aoqi@0 | 1237 | __ lshl(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); |
aoqi@0 | 1238 | #endif |
aoqi@0 | 1239 | } |
aoqi@0 | 1240 | |
aoqi@0 | 1241 | |
aoqi@0 | 1242 | void TemplateTable::lshr() { |
aoqi@0 | 1243 | transition(itos, ltos); // %%%% see lshl comment |
aoqi@0 | 1244 | |
aoqi@0 | 1245 | __ pop_l(O2); // shift value in O2, O3 |
aoqi@0 | 1246 | #ifdef _LP64 |
aoqi@0 | 1247 | __ srax(O2, Otos_i, Otos_l); |
aoqi@0 | 1248 | #else |
aoqi@0 | 1249 | __ lshr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); |
aoqi@0 | 1250 | #endif |
aoqi@0 | 1251 | } |
aoqi@0 | 1252 | |
aoqi@0 | 1253 | |
aoqi@0 | 1254 | |
aoqi@0 | 1255 | void TemplateTable::lushr() { |
aoqi@0 | 1256 | transition(itos, ltos); // %%%% see lshl comment |
aoqi@0 | 1257 | |
aoqi@0 | 1258 | __ pop_l(O2); // shift value in O2, O3 |
aoqi@0 | 1259 | #ifdef _LP64 |
aoqi@0 | 1260 | __ srlx(O2, Otos_i, Otos_l); |
aoqi@0 | 1261 | #else |
aoqi@0 | 1262 | __ lushr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); |
aoqi@0 | 1263 | #endif |
aoqi@0 | 1264 | } |
aoqi@0 | 1265 | |
aoqi@0 | 1266 | |
aoqi@0 | 1267 | void TemplateTable::fop2(Operation op) { |
aoqi@0 | 1268 | transition(ftos, ftos); |
aoqi@0 | 1269 | switch (op) { |
aoqi@0 | 1270 | case add: __ pop_f(F4); __ fadd(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
aoqi@0 | 1271 | case sub: __ pop_f(F4); __ fsub(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
aoqi@0 | 1272 | case mul: __ pop_f(F4); __ fmul(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
aoqi@0 | 1273 | case div: __ pop_f(F4); __ fdiv(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
aoqi@0 | 1274 | case rem: |
aoqi@0 | 1275 | assert(Ftos_f == F0, "just checking"); |
aoqi@0 | 1276 | #ifdef _LP64 |
aoqi@0 | 1277 | // LP64 calling conventions use F1, F3 for passing 2 floats |
aoqi@0 | 1278 | __ pop_f(F1); |
aoqi@0 | 1279 | __ fmov(FloatRegisterImpl::S, Ftos_f, F3); |
aoqi@0 | 1280 | #else |
aoqi@0 | 1281 | __ pop_i(O0); |
aoqi@0 | 1282 | __ stf(FloatRegisterImpl::S, Ftos_f, __ d_tmp); |
aoqi@0 | 1283 | __ ld( __ d_tmp, O1 ); |
aoqi@0 | 1284 | #endif |
aoqi@0 | 1285 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::frem)); |
aoqi@0 | 1286 | assert( Ftos_f == F0, "fix this code" ); |
aoqi@0 | 1287 | break; |
aoqi@0 | 1288 | |
aoqi@0 | 1289 | default: ShouldNotReachHere(); |
aoqi@0 | 1290 | } |
aoqi@0 | 1291 | } |
aoqi@0 | 1292 | |
aoqi@0 | 1293 | |
aoqi@0 | 1294 | void TemplateTable::dop2(Operation op) { |
aoqi@0 | 1295 | transition(dtos, dtos); |
aoqi@0 | 1296 | switch (op) { |
aoqi@0 | 1297 | case add: __ pop_d(F4); __ fadd(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
aoqi@0 | 1298 | case sub: __ pop_d(F4); __ fsub(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
aoqi@0 | 1299 | case mul: __ pop_d(F4); __ fmul(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
aoqi@0 | 1300 | case div: __ pop_d(F4); __ fdiv(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
aoqi@0 | 1301 | case rem: |
aoqi@0 | 1302 | #ifdef _LP64 |
aoqi@0 | 1303 | // Pass arguments in D0, D2 |
aoqi@0 | 1304 | __ fmov(FloatRegisterImpl::D, Ftos_f, F2 ); |
aoqi@0 | 1305 | __ pop_d( F0 ); |
aoqi@0 | 1306 | #else |
aoqi@0 | 1307 | // Pass arguments in O0O1, O2O3 |
aoqi@0 | 1308 | __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); |
aoqi@0 | 1309 | __ ldd( __ d_tmp, O2 ); |
aoqi@0 | 1310 | __ pop_d(Ftos_f); |
aoqi@0 | 1311 | __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); |
aoqi@0 | 1312 | __ ldd( __ d_tmp, O0 ); |
aoqi@0 | 1313 | #endif |
aoqi@0 | 1314 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::drem)); |
aoqi@0 | 1315 | assert( Ftos_d == F0, "fix this code" ); |
aoqi@0 | 1316 | break; |
aoqi@0 | 1317 | |
aoqi@0 | 1318 | default: ShouldNotReachHere(); |
aoqi@0 | 1319 | } |
aoqi@0 | 1320 | } |
aoqi@0 | 1321 | |
aoqi@0 | 1322 | |
aoqi@0 | 1323 | void TemplateTable::ineg() { |
aoqi@0 | 1324 | transition(itos, itos); |
aoqi@0 | 1325 | __ neg(Otos_i); |
aoqi@0 | 1326 | } |
aoqi@0 | 1327 | |
aoqi@0 | 1328 | |
aoqi@0 | 1329 | void TemplateTable::lneg() { |
aoqi@0 | 1330 | transition(ltos, ltos); |
aoqi@0 | 1331 | #ifdef _LP64 |
aoqi@0 | 1332 | __ sub(G0, Otos_l, Otos_l); |
aoqi@0 | 1333 | #else |
aoqi@0 | 1334 | __ lneg(Otos_l1, Otos_l2); |
aoqi@0 | 1335 | #endif |
aoqi@0 | 1336 | } |
aoqi@0 | 1337 | |
aoqi@0 | 1338 | |
aoqi@0 | 1339 | void TemplateTable::fneg() { |
aoqi@0 | 1340 | transition(ftos, ftos); |
aoqi@0 | 1341 | __ fneg(FloatRegisterImpl::S, Ftos_f, Ftos_f); |
aoqi@0 | 1342 | } |
aoqi@0 | 1343 | |
aoqi@0 | 1344 | |
aoqi@0 | 1345 | void TemplateTable::dneg() { |
aoqi@0 | 1346 | transition(dtos, dtos); |
aoqi@0 | 1347 | __ fneg(FloatRegisterImpl::D, Ftos_f, Ftos_f); |
aoqi@0 | 1348 | } |
aoqi@0 | 1349 | |
aoqi@0 | 1350 | |
aoqi@0 | 1351 | void TemplateTable::iinc() { |
aoqi@0 | 1352 | transition(vtos, vtos); |
aoqi@0 | 1353 | locals_index(G3_scratch); |
aoqi@0 | 1354 | __ ldsb(Lbcp, 2, O2); // load constant |
aoqi@0 | 1355 | __ access_local_int(G3_scratch, Otos_i); |
aoqi@0 | 1356 | __ add(Otos_i, O2, Otos_i); |
aoqi@0 | 1357 | __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
aoqi@0 | 1358 | } |
aoqi@0 | 1359 | |
aoqi@0 | 1360 | |
aoqi@0 | 1361 | void TemplateTable::wide_iinc() { |
aoqi@0 | 1362 | transition(vtos, vtos); |
aoqi@0 | 1363 | locals_index_wide(G3_scratch); |
aoqi@0 | 1364 | __ get_2_byte_integer_at_bcp( 4, O2, O3, InterpreterMacroAssembler::Signed); |
aoqi@0 | 1365 | __ access_local_int(G3_scratch, Otos_i); |
aoqi@0 | 1366 | __ add(Otos_i, O3, Otos_i); |
aoqi@0 | 1367 | __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
aoqi@0 | 1368 | } |
aoqi@0 | 1369 | |
aoqi@0 | 1370 | |
aoqi@0 | 1371 | void TemplateTable::convert() { |
aoqi@0 | 1372 | // %%%%% Factor this first part accross platforms |
aoqi@0 | 1373 | #ifdef ASSERT |
aoqi@0 | 1374 | TosState tos_in = ilgl; |
aoqi@0 | 1375 | TosState tos_out = ilgl; |
aoqi@0 | 1376 | switch (bytecode()) { |
aoqi@0 | 1377 | case Bytecodes::_i2l: // fall through |
aoqi@0 | 1378 | case Bytecodes::_i2f: // fall through |
aoqi@0 | 1379 | case Bytecodes::_i2d: // fall through |
aoqi@0 | 1380 | case Bytecodes::_i2b: // fall through |
aoqi@0 | 1381 | case Bytecodes::_i2c: // fall through |
aoqi@0 | 1382 | case Bytecodes::_i2s: tos_in = itos; break; |
aoqi@0 | 1383 | case Bytecodes::_l2i: // fall through |
aoqi@0 | 1384 | case Bytecodes::_l2f: // fall through |
aoqi@0 | 1385 | case Bytecodes::_l2d: tos_in = ltos; break; |
aoqi@0 | 1386 | case Bytecodes::_f2i: // fall through |
aoqi@0 | 1387 | case Bytecodes::_f2l: // fall through |
aoqi@0 | 1388 | case Bytecodes::_f2d: tos_in = ftos; break; |
aoqi@0 | 1389 | case Bytecodes::_d2i: // fall through |
aoqi@0 | 1390 | case Bytecodes::_d2l: // fall through |
aoqi@0 | 1391 | case Bytecodes::_d2f: tos_in = dtos; break; |
aoqi@0 | 1392 | default : ShouldNotReachHere(); |
aoqi@0 | 1393 | } |
aoqi@0 | 1394 | switch (bytecode()) { |
aoqi@0 | 1395 | case Bytecodes::_l2i: // fall through |
aoqi@0 | 1396 | case Bytecodes::_f2i: // fall through |
aoqi@0 | 1397 | case Bytecodes::_d2i: // fall through |
aoqi@0 | 1398 | case Bytecodes::_i2b: // fall through |
aoqi@0 | 1399 | case Bytecodes::_i2c: // fall through |
aoqi@0 | 1400 | case Bytecodes::_i2s: tos_out = itos; break; |
aoqi@0 | 1401 | case Bytecodes::_i2l: // fall through |
aoqi@0 | 1402 | case Bytecodes::_f2l: // fall through |
aoqi@0 | 1403 | case Bytecodes::_d2l: tos_out = ltos; break; |
aoqi@0 | 1404 | case Bytecodes::_i2f: // fall through |
aoqi@0 | 1405 | case Bytecodes::_l2f: // fall through |
aoqi@0 | 1406 | case Bytecodes::_d2f: tos_out = ftos; break; |
aoqi@0 | 1407 | case Bytecodes::_i2d: // fall through |
aoqi@0 | 1408 | case Bytecodes::_l2d: // fall through |
aoqi@0 | 1409 | case Bytecodes::_f2d: tos_out = dtos; break; |
aoqi@0 | 1410 | default : ShouldNotReachHere(); |
aoqi@0 | 1411 | } |
aoqi@0 | 1412 | transition(tos_in, tos_out); |
aoqi@0 | 1413 | #endif |
aoqi@0 | 1414 | |
aoqi@0 | 1415 | |
aoqi@0 | 1416 | // Conversion |
aoqi@0 | 1417 | Label done; |
aoqi@0 | 1418 | switch (bytecode()) { |
aoqi@0 | 1419 | case Bytecodes::_i2l: |
aoqi@0 | 1420 | #ifdef _LP64 |
aoqi@0 | 1421 | // Sign extend the 32 bits |
aoqi@0 | 1422 | __ sra ( Otos_i, 0, Otos_l ); |
aoqi@0 | 1423 | #else |
aoqi@0 | 1424 | __ addcc(Otos_i, 0, Otos_l2); |
aoqi@0 | 1425 | __ br(Assembler::greaterEqual, true, Assembler::pt, done); |
aoqi@0 | 1426 | __ delayed()->clr(Otos_l1); |
aoqi@0 | 1427 | __ set(~0, Otos_l1); |
aoqi@0 | 1428 | #endif |
aoqi@0 | 1429 | break; |
aoqi@0 | 1430 | |
aoqi@0 | 1431 | case Bytecodes::_i2f: |
aoqi@0 | 1432 | __ st(Otos_i, __ d_tmp ); |
aoqi@0 | 1433 | __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); |
aoqi@0 | 1434 | __ fitof(FloatRegisterImpl::S, F0, Ftos_f); |
aoqi@0 | 1435 | break; |
aoqi@0 | 1436 | |
aoqi@0 | 1437 | case Bytecodes::_i2d: |
aoqi@0 | 1438 | __ st(Otos_i, __ d_tmp); |
aoqi@0 | 1439 | __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); |
aoqi@0 | 1440 | __ fitof(FloatRegisterImpl::D, F0, Ftos_f); |
aoqi@0 | 1441 | break; |
aoqi@0 | 1442 | |
aoqi@0 | 1443 | case Bytecodes::_i2b: |
aoqi@0 | 1444 | __ sll(Otos_i, 24, Otos_i); |
aoqi@0 | 1445 | __ sra(Otos_i, 24, Otos_i); |
aoqi@0 | 1446 | break; |
aoqi@0 | 1447 | |
aoqi@0 | 1448 | case Bytecodes::_i2c: |
aoqi@0 | 1449 | __ sll(Otos_i, 16, Otos_i); |
aoqi@0 | 1450 | __ srl(Otos_i, 16, Otos_i); |
aoqi@0 | 1451 | break; |
aoqi@0 | 1452 | |
aoqi@0 | 1453 | case Bytecodes::_i2s: |
aoqi@0 | 1454 | __ sll(Otos_i, 16, Otos_i); |
aoqi@0 | 1455 | __ sra(Otos_i, 16, Otos_i); |
aoqi@0 | 1456 | break; |
aoqi@0 | 1457 | |
aoqi@0 | 1458 | case Bytecodes::_l2i: |
aoqi@0 | 1459 | #ifndef _LP64 |
aoqi@0 | 1460 | __ mov(Otos_l2, Otos_i); |
aoqi@0 | 1461 | #else |
aoqi@0 | 1462 | // Sign-extend into the high 32 bits |
aoqi@0 | 1463 | __ sra(Otos_l, 0, Otos_i); |
aoqi@0 | 1464 | #endif |
aoqi@0 | 1465 | break; |
aoqi@0 | 1466 | |
aoqi@0 | 1467 | case Bytecodes::_l2f: |
aoqi@0 | 1468 | case Bytecodes::_l2d: |
aoqi@0 | 1469 | __ st_long(Otos_l, __ d_tmp); |
aoqi@0 | 1470 | __ ldf(FloatRegisterImpl::D, __ d_tmp, Ftos_d); |
aoqi@0 | 1471 | |
aoqi@0 | 1472 | if (bytecode() == Bytecodes::_l2f) { |
aoqi@0 | 1473 | __ fxtof(FloatRegisterImpl::S, Ftos_d, Ftos_f); |
aoqi@0 | 1474 | } else { |
aoqi@0 | 1475 | __ fxtof(FloatRegisterImpl::D, Ftos_d, Ftos_d); |
aoqi@0 | 1476 | } |
aoqi@0 | 1477 | break; |
aoqi@0 | 1478 | |
aoqi@0 | 1479 | case Bytecodes::_f2i: { |
aoqi@0 | 1480 | Label isNaN; |
aoqi@0 | 1481 | // result must be 0 if value is NaN; test by comparing value to itself |
aoqi@0 | 1482 | __ fcmp(FloatRegisterImpl::S, Assembler::fcc0, Ftos_f, Ftos_f); |
aoqi@0 | 1483 | __ fb(Assembler::f_unordered, true, Assembler::pn, isNaN); |
aoqi@0 | 1484 | __ delayed()->clr(Otos_i); // NaN |
aoqi@0 | 1485 | __ ftoi(FloatRegisterImpl::S, Ftos_f, F30); |
aoqi@0 | 1486 | __ stf(FloatRegisterImpl::S, F30, __ d_tmp); |
aoqi@0 | 1487 | __ ld(__ d_tmp, Otos_i); |
aoqi@0 | 1488 | __ bind(isNaN); |
aoqi@0 | 1489 | } |
aoqi@0 | 1490 | break; |
aoqi@0 | 1491 | |
aoqi@0 | 1492 | case Bytecodes::_f2l: |
aoqi@0 | 1493 | // must uncache tos |
aoqi@0 | 1494 | __ push_f(); |
aoqi@0 | 1495 | #ifdef _LP64 |
aoqi@0 | 1496 | __ pop_f(F1); |
aoqi@0 | 1497 | #else |
aoqi@0 | 1498 | __ pop_i(O0); |
aoqi@0 | 1499 | #endif |
aoqi@0 | 1500 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::f2l)); |
aoqi@0 | 1501 | break; |
aoqi@0 | 1502 | |
aoqi@0 | 1503 | case Bytecodes::_f2d: |
aoqi@0 | 1504 | __ ftof( FloatRegisterImpl::S, FloatRegisterImpl::D, Ftos_f, Ftos_f); |
aoqi@0 | 1505 | break; |
aoqi@0 | 1506 | |
aoqi@0 | 1507 | case Bytecodes::_d2i: |
aoqi@0 | 1508 | case Bytecodes::_d2l: |
aoqi@0 | 1509 | // must uncache tos |
aoqi@0 | 1510 | __ push_d(); |
aoqi@0 | 1511 | #ifdef _LP64 |
aoqi@0 | 1512 | // LP64 calling conventions pass first double arg in D0 |
aoqi@0 | 1513 | __ pop_d( Ftos_d ); |
aoqi@0 | 1514 | #else |
aoqi@0 | 1515 | __ pop_i( O0 ); |
aoqi@0 | 1516 | __ pop_i( O1 ); |
aoqi@0 | 1517 | #endif |
aoqi@0 | 1518 | __ call_VM_leaf(Lscratch, |
aoqi@0 | 1519 | bytecode() == Bytecodes::_d2i |
aoqi@0 | 1520 | ? CAST_FROM_FN_PTR(address, SharedRuntime::d2i) |
aoqi@0 | 1521 | : CAST_FROM_FN_PTR(address, SharedRuntime::d2l)); |
aoqi@0 | 1522 | break; |
aoqi@0 | 1523 | |
aoqi@0 | 1524 | case Bytecodes::_d2f: |
aoqi@0 | 1525 | __ ftof( FloatRegisterImpl::D, FloatRegisterImpl::S, Ftos_d, Ftos_f); |
aoqi@0 | 1526 | break; |
aoqi@0 | 1527 | |
aoqi@0 | 1528 | default: ShouldNotReachHere(); |
aoqi@0 | 1529 | } |
aoqi@0 | 1530 | __ bind(done); |
aoqi@0 | 1531 | } |
aoqi@0 | 1532 | |
aoqi@0 | 1533 | |
aoqi@0 | 1534 | void TemplateTable::lcmp() { |
aoqi@0 | 1535 | transition(ltos, itos); |
aoqi@0 | 1536 | |
aoqi@0 | 1537 | #ifdef _LP64 |
aoqi@0 | 1538 | __ pop_l(O1); // pop off value 1, value 2 is in O0 |
aoqi@0 | 1539 | __ lcmp( O1, Otos_l, Otos_i ); |
aoqi@0 | 1540 | #else |
aoqi@0 | 1541 | __ pop_l(O2); // cmp O2,3 to O0,1 |
aoqi@0 | 1542 | __ lcmp( O2, O3, Otos_l1, Otos_l2, Otos_i ); |
aoqi@0 | 1543 | #endif |
aoqi@0 | 1544 | } |
aoqi@0 | 1545 | |
aoqi@0 | 1546 | |
aoqi@0 | 1547 | void TemplateTable::float_cmp(bool is_float, int unordered_result) { |
aoqi@0 | 1548 | |
aoqi@0 | 1549 | if (is_float) __ pop_f(F2); |
aoqi@0 | 1550 | else __ pop_d(F2); |
aoqi@0 | 1551 | |
aoqi@0 | 1552 | assert(Ftos_f == F0 && Ftos_d == F0, "alias checking:"); |
aoqi@0 | 1553 | |
aoqi@0 | 1554 | __ float_cmp( is_float, unordered_result, F2, F0, Otos_i ); |
aoqi@0 | 1555 | } |
aoqi@0 | 1556 | |
aoqi@0 | 1557 | void TemplateTable::branch(bool is_jsr, bool is_wide) { |
aoqi@0 | 1558 | // Note: on SPARC, we use InterpreterMacroAssembler::if_cmp also. |
aoqi@0 | 1559 | __ verify_thread(); |
aoqi@0 | 1560 | |
aoqi@0 | 1561 | const Register O2_bumped_count = O2; |
aoqi@0 | 1562 | __ profile_taken_branch(G3_scratch, O2_bumped_count); |
aoqi@0 | 1563 | |
aoqi@0 | 1564 | // get (wide) offset to O1_disp |
aoqi@0 | 1565 | const Register O1_disp = O1; |
aoqi@0 | 1566 | if (is_wide) __ get_4_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::set_CC); |
aoqi@0 | 1567 | else __ get_2_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::Signed, InterpreterMacroAssembler::set_CC); |
aoqi@0 | 1568 | |
aoqi@0 | 1569 | // Handle all the JSR stuff here, then exit. |
aoqi@0 | 1570 | // It's much shorter and cleaner than intermingling with the |
aoqi@0 | 1571 | // non-JSR normal-branch stuff occurring below. |
aoqi@0 | 1572 | if( is_jsr ) { |
aoqi@0 | 1573 | // compute return address as bci in Otos_i |
aoqi@0 | 1574 | __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
aoqi@0 | 1575 | __ sub(Lbcp, G3_scratch, G3_scratch); |
aoqi@0 | 1576 | __ sub(G3_scratch, in_bytes(ConstMethod::codes_offset()) - (is_wide ? 5 : 3), Otos_i); |
aoqi@0 | 1577 | |
aoqi@0 | 1578 | // Bump Lbcp to target of JSR |
aoqi@0 | 1579 | __ add(Lbcp, O1_disp, Lbcp); |
aoqi@0 | 1580 | // Push returnAddress for "ret" on stack |
aoqi@0 | 1581 | __ push_ptr(Otos_i); |
aoqi@0 | 1582 | // And away we go! |
aoqi@0 | 1583 | __ dispatch_next(vtos); |
aoqi@0 | 1584 | return; |
aoqi@0 | 1585 | } |
aoqi@0 | 1586 | |
aoqi@0 | 1587 | // Normal (non-jsr) branch handling |
aoqi@0 | 1588 | |
aoqi@0 | 1589 | // Save the current Lbcp |
aoqi@0 | 1590 | const Register l_cur_bcp = Lscratch; |
aoqi@0 | 1591 | __ mov( Lbcp, l_cur_bcp ); |
aoqi@0 | 1592 | |
aoqi@0 | 1593 | bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter; |
aoqi@0 | 1594 | if ( increment_invocation_counter_for_backward_branches ) { |
aoqi@0 | 1595 | Label Lforward; |
aoqi@0 | 1596 | // check branch direction |
aoqi@0 | 1597 | __ br( Assembler::positive, false, Assembler::pn, Lforward ); |
aoqi@0 | 1598 | // Bump bytecode pointer by displacement (take the branch) |
aoqi@0 | 1599 | __ delayed()->add( O1_disp, Lbcp, Lbcp ); // add to bc addr |
aoqi@0 | 1600 | |
aoqi@0 | 1601 | const Register Rcounters = G3_scratch; |
aoqi@0 | 1602 | __ get_method_counters(Lmethod, Rcounters, Lforward); |
aoqi@0 | 1603 | |
aoqi@0 | 1604 | if (TieredCompilation) { |
aoqi@0 | 1605 | Label Lno_mdo, Loverflow; |
aoqi@0 | 1606 | int increment = InvocationCounter::count_increment; |
aoqi@0 | 1607 | int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; |
aoqi@0 | 1608 | if (ProfileInterpreter) { |
aoqi@0 | 1609 | // If no method data exists, go to profile_continue. |
aoqi@0 | 1610 | __ ld_ptr(Lmethod, Method::method_data_offset(), G4_scratch); |
aoqi@0 | 1611 | __ br_null_short(G4_scratch, Assembler::pn, Lno_mdo); |
aoqi@0 | 1612 | |
aoqi@0 | 1613 | // Increment backedge counter in the MDO |
aoqi@0 | 1614 | Address mdo_backedge_counter(G4_scratch, in_bytes(MethodData::backedge_counter_offset()) + |
aoqi@0 | 1615 | in_bytes(InvocationCounter::counter_offset())); |
aoqi@0 | 1616 | __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, G3_scratch, O0, |
aoqi@0 | 1617 | Assembler::notZero, &Lforward); |
aoqi@0 | 1618 | __ ba_short(Loverflow); |
aoqi@0 | 1619 | } |
aoqi@0 | 1620 | |
aoqi@0 | 1621 | // If there's no MDO, increment counter in MethodCounters* |
aoqi@0 | 1622 | __ bind(Lno_mdo); |
aoqi@0 | 1623 | Address backedge_counter(Rcounters, |
aoqi@0 | 1624 | in_bytes(MethodCounters::backedge_counter_offset()) + |
aoqi@0 | 1625 | in_bytes(InvocationCounter::counter_offset())); |
aoqi@0 | 1626 | __ increment_mask_and_jump(backedge_counter, increment, mask, G4_scratch, O0, |
aoqi@0 | 1627 | Assembler::notZero, &Lforward); |
aoqi@0 | 1628 | __ bind(Loverflow); |
aoqi@0 | 1629 | |
aoqi@0 | 1630 | // notify point for loop, pass branch bytecode |
aoqi@0 | 1631 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), l_cur_bcp); |
aoqi@0 | 1632 | |
aoqi@0 | 1633 | // Was an OSR adapter generated? |
aoqi@0 | 1634 | // O0 = osr nmethod |
aoqi@0 | 1635 | __ br_null_short(O0, Assembler::pn, Lforward); |
aoqi@0 | 1636 | |
aoqi@0 | 1637 | // Has the nmethod been invalidated already? |
aoqi@0 | 1638 | __ ld(O0, nmethod::entry_bci_offset(), O2); |
aoqi@0 | 1639 | __ cmp_and_br_short(O2, InvalidOSREntryBci, Assembler::equal, Assembler::pn, Lforward); |
aoqi@0 | 1640 | |
aoqi@0 | 1641 | // migrate the interpreter frame off of the stack |
aoqi@0 | 1642 | |
aoqi@0 | 1643 | __ mov(G2_thread, L7); |
aoqi@0 | 1644 | // save nmethod |
aoqi@0 | 1645 | __ mov(O0, L6); |
aoqi@0 | 1646 | __ set_last_Java_frame(SP, noreg); |
aoqi@0 | 1647 | __ call_VM_leaf(noreg, CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), L7); |
aoqi@0 | 1648 | __ reset_last_Java_frame(); |
aoqi@0 | 1649 | __ mov(L7, G2_thread); |
aoqi@0 | 1650 | |
aoqi@0 | 1651 | // move OSR nmethod to I1 |
aoqi@0 | 1652 | __ mov(L6, I1); |
aoqi@0 | 1653 | |
aoqi@0 | 1654 | // OSR buffer to I0 |
aoqi@0 | 1655 | __ mov(O0, I0); |
aoqi@0 | 1656 | |
aoqi@0 | 1657 | // remove the interpreter frame |
aoqi@0 | 1658 | __ restore(I5_savedSP, 0, SP); |
aoqi@0 | 1659 | |
aoqi@0 | 1660 | // Jump to the osr code. |
aoqi@0 | 1661 | __ ld_ptr(O1, nmethod::osr_entry_point_offset(), O2); |
aoqi@0 | 1662 | __ jmp(O2, G0); |
aoqi@0 | 1663 | __ delayed()->nop(); |
aoqi@0 | 1664 | |
aoqi@0 | 1665 | } else { |
aoqi@0 | 1666 | // Update Backedge branch separately from invocations |
aoqi@0 | 1667 | const Register G4_invoke_ctr = G4; |
aoqi@0 | 1668 | __ increment_backedge_counter(Rcounters, G4_invoke_ctr, G1_scratch); |
aoqi@0 | 1669 | if (ProfileInterpreter) { |
aoqi@0 | 1670 | __ test_invocation_counter_for_mdp(G4_invoke_ctr, G3_scratch, Lforward); |
aoqi@0 | 1671 | if (UseOnStackReplacement) { |
aoqi@0 | 1672 | __ test_backedge_count_for_osr(O2_bumped_count, l_cur_bcp, G3_scratch); |
aoqi@0 | 1673 | } |
aoqi@0 | 1674 | } else { |
aoqi@0 | 1675 | if (UseOnStackReplacement) { |
aoqi@0 | 1676 | __ test_backedge_count_for_osr(G4_invoke_ctr, l_cur_bcp, G3_scratch); |
aoqi@0 | 1677 | } |
aoqi@0 | 1678 | } |
aoqi@0 | 1679 | } |
aoqi@0 | 1680 | |
aoqi@0 | 1681 | __ bind(Lforward); |
aoqi@0 | 1682 | } else |
aoqi@0 | 1683 | // Bump bytecode pointer by displacement (take the branch) |
aoqi@0 | 1684 | __ add( O1_disp, Lbcp, Lbcp );// add to bc addr |
aoqi@0 | 1685 | |
aoqi@0 | 1686 | // continue with bytecode @ target |
aoqi@0 | 1687 | // %%%%% Like Intel, could speed things up by moving bytecode fetch to code above, |
aoqi@0 | 1688 | // %%%%% and changing dispatch_next to dispatch_only |
aoqi@0 | 1689 | __ dispatch_next(vtos); |
aoqi@0 | 1690 | } |
aoqi@0 | 1691 | |
aoqi@0 | 1692 | |
aoqi@0 | 1693 | // Note Condition in argument is TemplateTable::Condition |
aoqi@0 | 1694 | // arg scope is within class scope |
aoqi@0 | 1695 | |
aoqi@0 | 1696 | void TemplateTable::if_0cmp(Condition cc) { |
aoqi@0 | 1697 | // no pointers, integer only! |
aoqi@0 | 1698 | transition(itos, vtos); |
aoqi@0 | 1699 | // assume branch is more often taken than not (loops use backward branches) |
aoqi@0 | 1700 | __ cmp( Otos_i, 0); |
aoqi@0 | 1701 | __ if_cmp(ccNot(cc), false); |
aoqi@0 | 1702 | } |
aoqi@0 | 1703 | |
aoqi@0 | 1704 | |
aoqi@0 | 1705 | void TemplateTable::if_icmp(Condition cc) { |
aoqi@0 | 1706 | transition(itos, vtos); |
aoqi@0 | 1707 | __ pop_i(O1); |
aoqi@0 | 1708 | __ cmp(O1, Otos_i); |
aoqi@0 | 1709 | __ if_cmp(ccNot(cc), false); |
aoqi@0 | 1710 | } |
aoqi@0 | 1711 | |
aoqi@0 | 1712 | |
aoqi@0 | 1713 | void TemplateTable::if_nullcmp(Condition cc) { |
aoqi@0 | 1714 | transition(atos, vtos); |
aoqi@0 | 1715 | __ tst(Otos_i); |
aoqi@0 | 1716 | __ if_cmp(ccNot(cc), true); |
aoqi@0 | 1717 | } |
aoqi@0 | 1718 | |
aoqi@0 | 1719 | |
aoqi@0 | 1720 | void TemplateTable::if_acmp(Condition cc) { |
aoqi@0 | 1721 | transition(atos, vtos); |
aoqi@0 | 1722 | __ pop_ptr(O1); |
aoqi@0 | 1723 | __ verify_oop(O1); |
aoqi@0 | 1724 | __ verify_oop(Otos_i); |
aoqi@0 | 1725 | __ cmp(O1, Otos_i); |
aoqi@0 | 1726 | __ if_cmp(ccNot(cc), true); |
aoqi@0 | 1727 | } |
aoqi@0 | 1728 | |
aoqi@0 | 1729 | |
aoqi@0 | 1730 | |
aoqi@0 | 1731 | void TemplateTable::ret() { |
aoqi@0 | 1732 | transition(vtos, vtos); |
aoqi@0 | 1733 | locals_index(G3_scratch); |
aoqi@0 | 1734 | __ access_local_returnAddress(G3_scratch, Otos_i); |
aoqi@0 | 1735 | // Otos_i contains the bci, compute the bcp from that |
aoqi@0 | 1736 | |
aoqi@0 | 1737 | #ifdef _LP64 |
aoqi@0 | 1738 | #ifdef ASSERT |
aoqi@0 | 1739 | // jsr result was labeled as an 'itos' not an 'atos' because we cannot GC |
aoqi@0 | 1740 | // the result. The return address (really a BCI) was stored with an |
aoqi@0 | 1741 | // 'astore' because JVM specs claim it's a pointer-sized thing. Hence in |
aoqi@0 | 1742 | // the 64-bit build the 32-bit BCI is actually in the low bits of a 64-bit |
aoqi@0 | 1743 | // loaded value. |
aoqi@0 | 1744 | { Label zzz ; |
aoqi@0 | 1745 | __ set (65536, G3_scratch) ; |
aoqi@0 | 1746 | __ cmp (Otos_i, G3_scratch) ; |
aoqi@0 | 1747 | __ bp( Assembler::lessEqualUnsigned, false, Assembler::xcc, Assembler::pn, zzz); |
aoqi@0 | 1748 | __ delayed()->nop(); |
aoqi@0 | 1749 | __ stop("BCI is in the wrong register half?"); |
aoqi@0 | 1750 | __ bind (zzz) ; |
aoqi@0 | 1751 | } |
aoqi@0 | 1752 | #endif |
aoqi@0 | 1753 | #endif |
aoqi@0 | 1754 | |
aoqi@0 | 1755 | __ profile_ret(vtos, Otos_i, G4_scratch); |
aoqi@0 | 1756 | |
aoqi@0 | 1757 | __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
aoqi@0 | 1758 | __ add(G3_scratch, Otos_i, G3_scratch); |
aoqi@0 | 1759 | __ add(G3_scratch, in_bytes(ConstMethod::codes_offset()), Lbcp); |
aoqi@0 | 1760 | __ dispatch_next(vtos); |
aoqi@0 | 1761 | } |
aoqi@0 | 1762 | |
aoqi@0 | 1763 | |
aoqi@0 | 1764 | void TemplateTable::wide_ret() { |
aoqi@0 | 1765 | transition(vtos, vtos); |
aoqi@0 | 1766 | locals_index_wide(G3_scratch); |
aoqi@0 | 1767 | __ access_local_returnAddress(G3_scratch, Otos_i); |
aoqi@0 | 1768 | // Otos_i contains the bci, compute the bcp from that |
aoqi@0 | 1769 | |
aoqi@0 | 1770 | __ profile_ret(vtos, Otos_i, G4_scratch); |
aoqi@0 | 1771 | |
aoqi@0 | 1772 | __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
aoqi@0 | 1773 | __ add(G3_scratch, Otos_i, G3_scratch); |
aoqi@0 | 1774 | __ add(G3_scratch, in_bytes(ConstMethod::codes_offset()), Lbcp); |
aoqi@0 | 1775 | __ dispatch_next(vtos); |
aoqi@0 | 1776 | } |
aoqi@0 | 1777 | |
aoqi@0 | 1778 | |
aoqi@0 | 1779 | void TemplateTable::tableswitch() { |
aoqi@0 | 1780 | transition(itos, vtos); |
aoqi@0 | 1781 | Label default_case, continue_execution; |
aoqi@0 | 1782 | |
aoqi@0 | 1783 | // align bcp |
aoqi@0 | 1784 | __ add(Lbcp, BytesPerInt, O1); |
aoqi@0 | 1785 | __ and3(O1, -BytesPerInt, O1); |
aoqi@0 | 1786 | // load lo, hi |
aoqi@0 | 1787 | __ ld(O1, 1 * BytesPerInt, O2); // Low Byte |
aoqi@0 | 1788 | __ ld(O1, 2 * BytesPerInt, O3); // High Byte |
aoqi@0 | 1789 | #ifdef _LP64 |
aoqi@0 | 1790 | // Sign extend the 32 bits |
aoqi@0 | 1791 | __ sra ( Otos_i, 0, Otos_i ); |
aoqi@0 | 1792 | #endif /* _LP64 */ |
aoqi@0 | 1793 | |
aoqi@0 | 1794 | // check against lo & hi |
aoqi@0 | 1795 | __ cmp( Otos_i, O2); |
aoqi@0 | 1796 | __ br( Assembler::less, false, Assembler::pn, default_case); |
aoqi@0 | 1797 | __ delayed()->cmp( Otos_i, O3 ); |
aoqi@0 | 1798 | __ br( Assembler::greater, false, Assembler::pn, default_case); |
aoqi@0 | 1799 | // lookup dispatch offset |
aoqi@0 | 1800 | __ delayed()->sub(Otos_i, O2, O2); |
aoqi@0 | 1801 | __ profile_switch_case(O2, O3, G3_scratch, G4_scratch); |
aoqi@0 | 1802 | __ sll(O2, LogBytesPerInt, O2); |
aoqi@0 | 1803 | __ add(O2, 3 * BytesPerInt, O2); |
aoqi@0 | 1804 | __ ba(continue_execution); |
aoqi@0 | 1805 | __ delayed()->ld(O1, O2, O2); |
aoqi@0 | 1806 | // handle default |
aoqi@0 | 1807 | __ bind(default_case); |
aoqi@0 | 1808 | __ profile_switch_default(O3); |
aoqi@0 | 1809 | __ ld(O1, 0, O2); // get default offset |
aoqi@0 | 1810 | // continue execution |
aoqi@0 | 1811 | __ bind(continue_execution); |
aoqi@0 | 1812 | __ add(Lbcp, O2, Lbcp); |
aoqi@0 | 1813 | __ dispatch_next(vtos); |
aoqi@0 | 1814 | } |
aoqi@0 | 1815 | |
aoqi@0 | 1816 | |
aoqi@0 | 1817 | void TemplateTable::lookupswitch() { |
aoqi@0 | 1818 | transition(itos, itos); |
aoqi@0 | 1819 | __ stop("lookupswitch bytecode should have been rewritten"); |
aoqi@0 | 1820 | } |
aoqi@0 | 1821 | |
aoqi@0 | 1822 | void TemplateTable::fast_linearswitch() { |
aoqi@0 | 1823 | transition(itos, vtos); |
aoqi@0 | 1824 | Label loop_entry, loop, found, continue_execution; |
aoqi@0 | 1825 | // align bcp |
aoqi@0 | 1826 | __ add(Lbcp, BytesPerInt, O1); |
aoqi@0 | 1827 | __ and3(O1, -BytesPerInt, O1); |
aoqi@0 | 1828 | // set counter |
aoqi@0 | 1829 | __ ld(O1, BytesPerInt, O2); |
aoqi@0 | 1830 | __ sll(O2, LogBytesPerInt + 1, O2); // in word-pairs |
aoqi@0 | 1831 | __ add(O1, 2 * BytesPerInt, O3); // set first pair addr |
aoqi@0 | 1832 | __ ba(loop_entry); |
aoqi@0 | 1833 | __ delayed()->add(O3, O2, O2); // counter now points past last pair |
aoqi@0 | 1834 | |
aoqi@0 | 1835 | // table search |
aoqi@0 | 1836 | __ bind(loop); |
aoqi@0 | 1837 | __ cmp(O4, Otos_i); |
aoqi@0 | 1838 | __ br(Assembler::equal, true, Assembler::pn, found); |
aoqi@0 | 1839 | __ delayed()->ld(O3, BytesPerInt, O4); // offset -> O4 |
aoqi@0 | 1840 | __ inc(O3, 2 * BytesPerInt); |
aoqi@0 | 1841 | |
aoqi@0 | 1842 | __ bind(loop_entry); |
aoqi@0 | 1843 | __ cmp(O2, O3); |
aoqi@0 | 1844 | __ brx(Assembler::greaterUnsigned, true, Assembler::pt, loop); |
aoqi@0 | 1845 | __ delayed()->ld(O3, 0, O4); |
aoqi@0 | 1846 | |
aoqi@0 | 1847 | // default case |
aoqi@0 | 1848 | __ ld(O1, 0, O4); // get default offset |
aoqi@0 | 1849 | if (ProfileInterpreter) { |
aoqi@0 | 1850 | __ profile_switch_default(O3); |
aoqi@0 | 1851 | __ ba_short(continue_execution); |
aoqi@0 | 1852 | } |
aoqi@0 | 1853 | |
aoqi@0 | 1854 | // entry found -> get offset |
aoqi@0 | 1855 | __ bind(found); |
aoqi@0 | 1856 | if (ProfileInterpreter) { |
aoqi@0 | 1857 | __ sub(O3, O1, O3); |
aoqi@0 | 1858 | __ sub(O3, 2*BytesPerInt, O3); |
aoqi@0 | 1859 | __ srl(O3, LogBytesPerInt + 1, O3); // in word-pairs |
aoqi@0 | 1860 | __ profile_switch_case(O3, O1, O2, G3_scratch); |
aoqi@0 | 1861 | |
aoqi@0 | 1862 | __ bind(continue_execution); |
aoqi@0 | 1863 | } |
aoqi@0 | 1864 | __ add(Lbcp, O4, Lbcp); |
aoqi@0 | 1865 | __ dispatch_next(vtos); |
aoqi@0 | 1866 | } |
aoqi@0 | 1867 | |
aoqi@0 | 1868 | |
aoqi@0 | 1869 | void TemplateTable::fast_binaryswitch() { |
aoqi@0 | 1870 | transition(itos, vtos); |
aoqi@0 | 1871 | // Implementation using the following core algorithm: (copied from Intel) |
aoqi@0 | 1872 | // |
aoqi@0 | 1873 | // int binary_search(int key, LookupswitchPair* array, int n) { |
aoqi@0 | 1874 | // // Binary search according to "Methodik des Programmierens" by |
aoqi@0 | 1875 | // // Edsger W. Dijkstra and W.H.J. Feijen, Addison Wesley Germany 1985. |
aoqi@0 | 1876 | // int i = 0; |
aoqi@0 | 1877 | // int j = n; |
aoqi@0 | 1878 | // while (i+1 < j) { |
aoqi@0 | 1879 | // // invariant P: 0 <= i < j <= n and (a[i] <= key < a[j] or Q) |
aoqi@0 | 1880 | // // with Q: for all i: 0 <= i < n: key < a[i] |
aoqi@0 | 1881 | // // where a stands for the array and assuming that the (inexisting) |
aoqi@0 | 1882 | // // element a[n] is infinitely big. |
aoqi@0 | 1883 | // int h = (i + j) >> 1; |
aoqi@0 | 1884 | // // i < h < j |
aoqi@0 | 1885 | // if (key < array[h].fast_match()) { |
aoqi@0 | 1886 | // j = h; |
aoqi@0 | 1887 | // } else { |
aoqi@0 | 1888 | // i = h; |
aoqi@0 | 1889 | // } |
aoqi@0 | 1890 | // } |
aoqi@0 | 1891 | // // R: a[i] <= key < a[i+1] or Q |
aoqi@0 | 1892 | // // (i.e., if key is within array, i is the correct index) |
aoqi@0 | 1893 | // return i; |
aoqi@0 | 1894 | // } |
aoqi@0 | 1895 | |
aoqi@0 | 1896 | // register allocation |
aoqi@0 | 1897 | assert(Otos_i == O0, "alias checking"); |
aoqi@0 | 1898 | const Register Rkey = Otos_i; // already set (tosca) |
aoqi@0 | 1899 | const Register Rarray = O1; |
aoqi@0 | 1900 | const Register Ri = O2; |
aoqi@0 | 1901 | const Register Rj = O3; |
aoqi@0 | 1902 | const Register Rh = O4; |
aoqi@0 | 1903 | const Register Rscratch = O5; |
aoqi@0 | 1904 | |
aoqi@0 | 1905 | const int log_entry_size = 3; |
aoqi@0 | 1906 | const int entry_size = 1 << log_entry_size; |
aoqi@0 | 1907 | |
aoqi@0 | 1908 | Label found; |
aoqi@0 | 1909 | // Find Array start |
aoqi@0 | 1910 | __ add(Lbcp, 3 * BytesPerInt, Rarray); |
aoqi@0 | 1911 | __ and3(Rarray, -BytesPerInt, Rarray); |
aoqi@0 | 1912 | // initialize i & j (in delay slot) |
aoqi@0 | 1913 | __ clr( Ri ); |
aoqi@0 | 1914 | |
aoqi@0 | 1915 | // and start |
aoqi@0 | 1916 | Label entry; |
aoqi@0 | 1917 | __ ba(entry); |
aoqi@0 | 1918 | __ delayed()->ld( Rarray, -BytesPerInt, Rj); |
aoqi@0 | 1919 | // (Rj is already in the native byte-ordering.) |
aoqi@0 | 1920 | |
aoqi@0 | 1921 | // binary search loop |
aoqi@0 | 1922 | { Label loop; |
aoqi@0 | 1923 | __ bind( loop ); |
aoqi@0 | 1924 | // int h = (i + j) >> 1; |
aoqi@0 | 1925 | __ sra( Rh, 1, Rh ); |
aoqi@0 | 1926 | // if (key < array[h].fast_match()) { |
aoqi@0 | 1927 | // j = h; |
aoqi@0 | 1928 | // } else { |
aoqi@0 | 1929 | // i = h; |
aoqi@0 | 1930 | // } |
aoqi@0 | 1931 | __ sll( Rh, log_entry_size, Rscratch ); |
aoqi@0 | 1932 | __ ld( Rarray, Rscratch, Rscratch ); |
aoqi@0 | 1933 | // (Rscratch is already in the native byte-ordering.) |
aoqi@0 | 1934 | __ cmp( Rkey, Rscratch ); |
aoqi@0 | 1935 | __ movcc( Assembler::less, false, Assembler::icc, Rh, Rj ); // j = h if (key < array[h].fast_match()) |
aoqi@0 | 1936 | __ movcc( Assembler::greaterEqual, false, Assembler::icc, Rh, Ri ); // i = h if (key >= array[h].fast_match()) |
aoqi@0 | 1937 | |
aoqi@0 | 1938 | // while (i+1 < j) |
aoqi@0 | 1939 | __ bind( entry ); |
aoqi@0 | 1940 | __ add( Ri, 1, Rscratch ); |
aoqi@0 | 1941 | __ cmp(Rscratch, Rj); |
aoqi@0 | 1942 | __ br( Assembler::less, true, Assembler::pt, loop ); |
aoqi@0 | 1943 | __ delayed()->add( Ri, Rj, Rh ); // start h = i + j >> 1; |
aoqi@0 | 1944 | } |
aoqi@0 | 1945 | |
aoqi@0 | 1946 | // end of binary search, result index is i (must check again!) |
aoqi@0 | 1947 | Label default_case; |
aoqi@0 | 1948 | Label continue_execution; |
aoqi@0 | 1949 | if (ProfileInterpreter) { |
aoqi@0 | 1950 | __ mov( Ri, Rh ); // Save index in i for profiling |
aoqi@0 | 1951 | } |
aoqi@0 | 1952 | __ sll( Ri, log_entry_size, Ri ); |
aoqi@0 | 1953 | __ ld( Rarray, Ri, Rscratch ); |
aoqi@0 | 1954 | // (Rscratch is already in the native byte-ordering.) |
aoqi@0 | 1955 | __ cmp( Rkey, Rscratch ); |
aoqi@0 | 1956 | __ br( Assembler::notEqual, true, Assembler::pn, default_case ); |
aoqi@0 | 1957 | __ delayed()->ld( Rarray, -2 * BytesPerInt, Rj ); // load default offset -> j |
aoqi@0 | 1958 | |
aoqi@0 | 1959 | // entry found -> j = offset |
aoqi@0 | 1960 | __ inc( Ri, BytesPerInt ); |
aoqi@0 | 1961 | __ profile_switch_case(Rh, Rj, Rscratch, Rkey); |
aoqi@0 | 1962 | __ ld( Rarray, Ri, Rj ); |
aoqi@0 | 1963 | // (Rj is already in the native byte-ordering.) |
aoqi@0 | 1964 | |
aoqi@0 | 1965 | if (ProfileInterpreter) { |
aoqi@0 | 1966 | __ ba_short(continue_execution); |
aoqi@0 | 1967 | } |
aoqi@0 | 1968 | |
aoqi@0 | 1969 | __ bind(default_case); // fall through (if not profiling) |
aoqi@0 | 1970 | __ profile_switch_default(Ri); |
aoqi@0 | 1971 | |
aoqi@0 | 1972 | __ bind(continue_execution); |
aoqi@0 | 1973 | __ add( Lbcp, Rj, Lbcp ); |
aoqi@0 | 1974 | __ dispatch_next( vtos ); |
aoqi@0 | 1975 | } |
aoqi@0 | 1976 | |
aoqi@0 | 1977 | |
aoqi@0 | 1978 | void TemplateTable::_return(TosState state) { |
aoqi@0 | 1979 | transition(state, state); |
aoqi@0 | 1980 | assert(_desc->calls_vm(), "inconsistent calls_vm information"); |
aoqi@0 | 1981 | |
aoqi@0 | 1982 | if (_desc->bytecode() == Bytecodes::_return_register_finalizer) { |
aoqi@0 | 1983 | assert(state == vtos, "only valid state"); |
aoqi@0 | 1984 | __ mov(G0, G3_scratch); |
aoqi@0 | 1985 | __ access_local_ptr(G3_scratch, Otos_i); |
aoqi@0 | 1986 | __ load_klass(Otos_i, O2); |
aoqi@0 | 1987 | __ set(JVM_ACC_HAS_FINALIZER, G3); |
aoqi@0 | 1988 | __ ld(O2, in_bytes(Klass::access_flags_offset()), O2); |
aoqi@0 | 1989 | __ andcc(G3, O2, G0); |
aoqi@0 | 1990 | Label skip_register_finalizer; |
aoqi@0 | 1991 | __ br(Assembler::zero, false, Assembler::pn, skip_register_finalizer); |
aoqi@0 | 1992 | __ delayed()->nop(); |
aoqi@0 | 1993 | |
aoqi@0 | 1994 | // Call out to do finalizer registration |
aoqi@0 | 1995 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), Otos_i); |
aoqi@0 | 1996 | |
aoqi@0 | 1997 | __ bind(skip_register_finalizer); |
aoqi@0 | 1998 | } |
aoqi@0 | 1999 | |
aoqi@0 | 2000 | __ remove_activation(state, /* throw_monitor_exception */ true); |
aoqi@0 | 2001 | |
aoqi@0 | 2002 | // The caller's SP was adjusted upon method entry to accomodate |
aoqi@0 | 2003 | // the callee's non-argument locals. Undo that adjustment. |
aoqi@0 | 2004 | __ ret(); // return to caller |
aoqi@0 | 2005 | __ delayed()->restore(I5_savedSP, G0, SP); |
aoqi@0 | 2006 | } |
aoqi@0 | 2007 | |
aoqi@0 | 2008 | |
aoqi@0 | 2009 | // ---------------------------------------------------------------------------- |
aoqi@0 | 2010 | // Volatile variables demand their effects be made known to all CPU's in |
aoqi@0 | 2011 | // order. Store buffers on most chips allow reads & writes to reorder; the |
aoqi@0 | 2012 | // JMM's ReadAfterWrite.java test fails in -Xint mode without some kind of |
aoqi@0 | 2013 | // memory barrier (i.e., it's not sufficient that the interpreter does not |
aoqi@0 | 2014 | // reorder volatile references, the hardware also must not reorder them). |
aoqi@0 | 2015 | // |
aoqi@0 | 2016 | // According to the new Java Memory Model (JMM): |
aoqi@0 | 2017 | // (1) All volatiles are serialized wrt to each other. |
aoqi@0 | 2018 | // ALSO reads & writes act as aquire & release, so: |
aoqi@0 | 2019 | // (2) A read cannot let unrelated NON-volatile memory refs that happen after |
aoqi@0 | 2020 | // the read float up to before the read. It's OK for non-volatile memory refs |
aoqi@0 | 2021 | // that happen before the volatile read to float down below it. |
aoqi@0 | 2022 | // (3) Similar a volatile write cannot let unrelated NON-volatile memory refs |
aoqi@0 | 2023 | // that happen BEFORE the write float down to after the write. It's OK for |
aoqi@0 | 2024 | // non-volatile memory refs that happen after the volatile write to float up |
aoqi@0 | 2025 | // before it. |
aoqi@0 | 2026 | // |
aoqi@0 | 2027 | // We only put in barriers around volatile refs (they are expensive), not |
aoqi@0 | 2028 | // _between_ memory refs (that would require us to track the flavor of the |
aoqi@0 | 2029 | // previous memory refs). Requirements (2) and (3) require some barriers |
aoqi@0 | 2030 | // before volatile stores and after volatile loads. These nearly cover |
aoqi@0 | 2031 | // requirement (1) but miss the volatile-store-volatile-load case. This final |
aoqi@0 | 2032 | // case is placed after volatile-stores although it could just as well go |
aoqi@0 | 2033 | // before volatile-loads. |
aoqi@0 | 2034 | void TemplateTable::volatile_barrier(Assembler::Membar_mask_bits order_constraint) { |
aoqi@0 | 2035 | // Helper function to insert a is-volatile test and memory barrier |
aoqi@0 | 2036 | // All current sparc implementations run in TSO, needing only StoreLoad |
aoqi@0 | 2037 | if ((order_constraint & Assembler::StoreLoad) == 0) return; |
aoqi@0 | 2038 | __ membar( order_constraint ); |
aoqi@0 | 2039 | } |
aoqi@0 | 2040 | |
aoqi@0 | 2041 | // ---------------------------------------------------------------------------- |
aoqi@0 | 2042 | void TemplateTable::resolve_cache_and_index(int byte_no, |
aoqi@0 | 2043 | Register Rcache, |
aoqi@0 | 2044 | Register index, |
aoqi@0 | 2045 | size_t index_size) { |
aoqi@0 | 2046 | // Depends on cpCacheOop layout! |
aoqi@0 | 2047 | Label resolved; |
aoqi@0 | 2048 | |
aoqi@0 | 2049 | assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
aoqi@0 | 2050 | __ get_cache_and_index_and_bytecode_at_bcp(Rcache, index, Lbyte_code, byte_no, 1, index_size); |
aoqi@0 | 2051 | __ cmp(Lbyte_code, (int) bytecode()); // have we resolved this bytecode? |
aoqi@0 | 2052 | __ br(Assembler::equal, false, Assembler::pt, resolved); |
aoqi@0 | 2053 | __ delayed()->set((int)bytecode(), O1); |
aoqi@0 | 2054 | |
aoqi@0 | 2055 | address entry; |
aoqi@0 | 2056 | switch (bytecode()) { |
aoqi@0 | 2057 | case Bytecodes::_getstatic : // fall through |
aoqi@0 | 2058 | case Bytecodes::_putstatic : // fall through |
aoqi@0 | 2059 | case Bytecodes::_getfield : // fall through |
aoqi@0 | 2060 | case Bytecodes::_putfield : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_get_put); break; |
aoqi@0 | 2061 | case Bytecodes::_invokevirtual : // fall through |
aoqi@0 | 2062 | case Bytecodes::_invokespecial : // fall through |
aoqi@0 | 2063 | case Bytecodes::_invokestatic : // fall through |
aoqi@0 | 2064 | case Bytecodes::_invokeinterface: entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); break; |
aoqi@0 | 2065 | case Bytecodes::_invokehandle : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokehandle); break; |
aoqi@0 | 2066 | case Bytecodes::_invokedynamic : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); break; |
aoqi@0 | 2067 | default: |
aoqi@0 | 2068 | fatal(err_msg("unexpected bytecode: %s", Bytecodes::name(bytecode()))); |
aoqi@0 | 2069 | break; |
aoqi@0 | 2070 | } |
aoqi@0 | 2071 | // first time invocation - must resolve first |
aoqi@0 | 2072 | __ call_VM(noreg, entry, O1); |
aoqi@0 | 2073 | // Update registers with resolved info |
aoqi@0 | 2074 | __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
aoqi@0 | 2075 | __ bind(resolved); |
aoqi@0 | 2076 | } |
aoqi@0 | 2077 | |
aoqi@0 | 2078 | void TemplateTable::load_invoke_cp_cache_entry(int byte_no, |
aoqi@0 | 2079 | Register method, |
aoqi@0 | 2080 | Register itable_index, |
aoqi@0 | 2081 | Register flags, |
aoqi@0 | 2082 | bool is_invokevirtual, |
aoqi@0 | 2083 | bool is_invokevfinal, |
aoqi@0 | 2084 | bool is_invokedynamic) { |
aoqi@0 | 2085 | // Uses both G3_scratch and G4_scratch |
aoqi@0 | 2086 | Register cache = G3_scratch; |
aoqi@0 | 2087 | Register index = G4_scratch; |
aoqi@0 | 2088 | assert_different_registers(cache, method, itable_index); |
aoqi@0 | 2089 | |
aoqi@0 | 2090 | // determine constant pool cache field offsets |
aoqi@0 | 2091 | assert(is_invokevirtual == (byte_no == f2_byte), "is_invokevirtual flag redundant"); |
aoqi@0 | 2092 | const int method_offset = in_bytes( |
aoqi@0 | 2093 | ConstantPoolCache::base_offset() + |
aoqi@0 | 2094 | ((byte_no == f2_byte) |
aoqi@0 | 2095 | ? ConstantPoolCacheEntry::f2_offset() |
aoqi@0 | 2096 | : ConstantPoolCacheEntry::f1_offset() |
aoqi@0 | 2097 | ) |
aoqi@0 | 2098 | ); |
aoqi@0 | 2099 | const int flags_offset = in_bytes(ConstantPoolCache::base_offset() + |
aoqi@0 | 2100 | ConstantPoolCacheEntry::flags_offset()); |
aoqi@0 | 2101 | // access constant pool cache fields |
aoqi@0 | 2102 | const int index_offset = in_bytes(ConstantPoolCache::base_offset() + |
aoqi@0 | 2103 | ConstantPoolCacheEntry::f2_offset()); |
aoqi@0 | 2104 | |
aoqi@0 | 2105 | if (is_invokevfinal) { |
aoqi@0 | 2106 | __ get_cache_and_index_at_bcp(cache, index, 1); |
aoqi@0 | 2107 | __ ld_ptr(Address(cache, method_offset), method); |
aoqi@0 | 2108 | } else { |
aoqi@0 | 2109 | size_t index_size = (is_invokedynamic ? sizeof(u4) : sizeof(u2)); |
aoqi@0 | 2110 | resolve_cache_and_index(byte_no, cache, index, index_size); |
aoqi@0 | 2111 | __ ld_ptr(Address(cache, method_offset), method); |
aoqi@0 | 2112 | } |
aoqi@0 | 2113 | |
aoqi@0 | 2114 | if (itable_index != noreg) { |
aoqi@0 | 2115 | // pick up itable or appendix index from f2 also: |
aoqi@0 | 2116 | __ ld_ptr(Address(cache, index_offset), itable_index); |
aoqi@0 | 2117 | } |
aoqi@0 | 2118 | __ ld_ptr(Address(cache, flags_offset), flags); |
aoqi@0 | 2119 | } |
aoqi@0 | 2120 | |
aoqi@0 | 2121 | // The Rcache register must be set before call |
aoqi@0 | 2122 | void TemplateTable::load_field_cp_cache_entry(Register Robj, |
aoqi@0 | 2123 | Register Rcache, |
aoqi@0 | 2124 | Register index, |
aoqi@0 | 2125 | Register Roffset, |
aoqi@0 | 2126 | Register Rflags, |
aoqi@0 | 2127 | bool is_static) { |
aoqi@0 | 2128 | assert_different_registers(Rcache, Rflags, Roffset); |
aoqi@0 | 2129 | |
aoqi@0 | 2130 | ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
aoqi@0 | 2131 | |
aoqi@0 | 2132 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
aoqi@0 | 2133 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
aoqi@0 | 2134 | if (is_static) { |
aoqi@0 | 2135 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f1_offset(), Robj); |
aoqi@0 | 2136 | const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
aoqi@0 | 2137 | __ ld_ptr( Robj, mirror_offset, Robj); |
aoqi@0 | 2138 | } |
aoqi@0 | 2139 | } |
aoqi@0 | 2140 | |
aoqi@0 | 2141 | // The registers Rcache and index expected to be set before call. |
aoqi@0 | 2142 | // Correct values of the Rcache and index registers are preserved. |
aoqi@0 | 2143 | void TemplateTable::jvmti_post_field_access(Register Rcache, |
aoqi@0 | 2144 | Register index, |
aoqi@0 | 2145 | bool is_static, |
aoqi@0 | 2146 | bool has_tos) { |
aoqi@0 | 2147 | ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
aoqi@0 | 2148 | |
aoqi@0 | 2149 | if (JvmtiExport::can_post_field_access()) { |
aoqi@0 | 2150 | // Check to see if a field access watch has been set before we take |
aoqi@0 | 2151 | // the time to call into the VM. |
aoqi@0 | 2152 | Label Label1; |
aoqi@0 | 2153 | assert_different_registers(Rcache, index, G1_scratch); |
aoqi@0 | 2154 | AddressLiteral get_field_access_count_addr(JvmtiExport::get_field_access_count_addr()); |
aoqi@0 | 2155 | __ load_contents(get_field_access_count_addr, G1_scratch); |
aoqi@0 | 2156 | __ cmp_and_br_short(G1_scratch, 0, Assembler::equal, Assembler::pt, Label1); |
aoqi@0 | 2157 | |
aoqi@0 | 2158 | __ add(Rcache, in_bytes(cp_base_offset), Rcache); |
aoqi@0 | 2159 | |
aoqi@0 | 2160 | if (is_static) { |
aoqi@0 | 2161 | __ clr(Otos_i); |
aoqi@0 | 2162 | } else { |
aoqi@0 | 2163 | if (has_tos) { |
aoqi@0 | 2164 | // save object pointer before call_VM() clobbers it |
aoqi@0 | 2165 | __ push_ptr(Otos_i); // put object on tos where GC wants it. |
aoqi@0 | 2166 | } else { |
aoqi@0 | 2167 | // Load top of stack (do not pop the value off the stack); |
aoqi@0 | 2168 | __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); |
aoqi@0 | 2169 | } |
aoqi@0 | 2170 | __ verify_oop(Otos_i); |
aoqi@0 | 2171 | } |
aoqi@0 | 2172 | // Otos_i: object pointer or NULL if static |
aoqi@0 | 2173 | // Rcache: cache entry pointer |
aoqi@0 | 2174 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_access), |
aoqi@0 | 2175 | Otos_i, Rcache); |
aoqi@0 | 2176 | if (!is_static && has_tos) { |
aoqi@0 | 2177 | __ pop_ptr(Otos_i); // restore object pointer |
aoqi@0 | 2178 | __ verify_oop(Otos_i); |
aoqi@0 | 2179 | } |
aoqi@0 | 2180 | __ get_cache_and_index_at_bcp(Rcache, index, 1); |
aoqi@0 | 2181 | __ bind(Label1); |
aoqi@0 | 2182 | } |
aoqi@0 | 2183 | } |
aoqi@0 | 2184 | |
aoqi@0 | 2185 | void TemplateTable::getfield_or_static(int byte_no, bool is_static) { |
aoqi@0 | 2186 | transition(vtos, vtos); |
aoqi@0 | 2187 | |
aoqi@0 | 2188 | Register Rcache = G3_scratch; |
aoqi@0 | 2189 | Register index = G4_scratch; |
aoqi@0 | 2190 | Register Rclass = Rcache; |
aoqi@0 | 2191 | Register Roffset= G4_scratch; |
aoqi@0 | 2192 | Register Rflags = G1_scratch; |
aoqi@0 | 2193 | ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
aoqi@0 | 2194 | |
aoqi@0 | 2195 | resolve_cache_and_index(byte_no, Rcache, index, sizeof(u2)); |
aoqi@0 | 2196 | jvmti_post_field_access(Rcache, index, is_static, false); |
aoqi@0 | 2197 | load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); |
aoqi@0 | 2198 | |
aoqi@0 | 2199 | if (!is_static) { |
aoqi@0 | 2200 | pop_and_check_object(Rclass); |
aoqi@0 | 2201 | } else { |
aoqi@0 | 2202 | __ verify_oop(Rclass); |
aoqi@0 | 2203 | } |
aoqi@0 | 2204 | |
aoqi@0 | 2205 | Label exit; |
aoqi@0 | 2206 | |
aoqi@0 | 2207 | Assembler::Membar_mask_bits membar_bits = |
aoqi@0 | 2208 | Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); |
aoqi@0 | 2209 | |
aoqi@0 | 2210 | if (__ membar_has_effect(membar_bits)) { |
aoqi@0 | 2211 | // Get volatile flag |
aoqi@0 | 2212 | __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
aoqi@0 | 2213 | __ and3(Rflags, Lscratch, Lscratch); |
aoqi@0 | 2214 | } |
aoqi@0 | 2215 | |
aoqi@0 | 2216 | Label checkVolatile; |
aoqi@0 | 2217 | |
aoqi@0 | 2218 | // compute field type |
aoqi@0 | 2219 | Label notByte, notInt, notShort, notChar, notLong, notFloat, notObj; |
aoqi@0 | 2220 | __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
aoqi@0 | 2221 | // Make sure we don't need to mask Rflags after the above shift |
aoqi@0 | 2222 | ConstantPoolCacheEntry::verify_tos_state_shift(); |
aoqi@0 | 2223 | |
aoqi@0 | 2224 | // Check atos before itos for getstatic, more likely (in Queens at least) |
aoqi@0 | 2225 | __ cmp(Rflags, atos); |
aoqi@0 | 2226 | __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
aoqi@0 | 2227 | __ delayed() ->cmp(Rflags, itos); |
aoqi@0 | 2228 | |
aoqi@0 | 2229 | // atos |
aoqi@0 | 2230 | __ load_heap_oop(Rclass, Roffset, Otos_i); |
aoqi@0 | 2231 | __ verify_oop(Otos_i); |
aoqi@0 | 2232 | __ push(atos); |
aoqi@0 | 2233 | if (!is_static) { |
aoqi@0 | 2234 | patch_bytecode(Bytecodes::_fast_agetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2235 | } |
aoqi@0 | 2236 | __ ba(checkVolatile); |
aoqi@0 | 2237 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2238 | |
aoqi@0 | 2239 | __ bind(notObj); |
aoqi@0 | 2240 | |
aoqi@0 | 2241 | // cmp(Rflags, itos); |
aoqi@0 | 2242 | __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
aoqi@0 | 2243 | __ delayed() ->cmp(Rflags, ltos); |
aoqi@0 | 2244 | |
aoqi@0 | 2245 | // itos |
aoqi@0 | 2246 | __ ld(Rclass, Roffset, Otos_i); |
aoqi@0 | 2247 | __ push(itos); |
aoqi@0 | 2248 | if (!is_static) { |
aoqi@0 | 2249 | patch_bytecode(Bytecodes::_fast_igetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2250 | } |
aoqi@0 | 2251 | __ ba(checkVolatile); |
aoqi@0 | 2252 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2253 | |
aoqi@0 | 2254 | __ bind(notInt); |
aoqi@0 | 2255 | |
aoqi@0 | 2256 | // cmp(Rflags, ltos); |
aoqi@0 | 2257 | __ br(Assembler::notEqual, false, Assembler::pt, notLong); |
aoqi@0 | 2258 | __ delayed() ->cmp(Rflags, btos); |
aoqi@0 | 2259 | |
aoqi@0 | 2260 | // ltos |
aoqi@0 | 2261 | // load must be atomic |
aoqi@0 | 2262 | __ ld_long(Rclass, Roffset, Otos_l); |
aoqi@0 | 2263 | __ push(ltos); |
aoqi@0 | 2264 | if (!is_static) { |
aoqi@0 | 2265 | patch_bytecode(Bytecodes::_fast_lgetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2266 | } |
aoqi@0 | 2267 | __ ba(checkVolatile); |
aoqi@0 | 2268 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2269 | |
aoqi@0 | 2270 | __ bind(notLong); |
aoqi@0 | 2271 | |
aoqi@0 | 2272 | // cmp(Rflags, btos); |
aoqi@0 | 2273 | __ br(Assembler::notEqual, false, Assembler::pt, notByte); |
aoqi@0 | 2274 | __ delayed() ->cmp(Rflags, ctos); |
aoqi@0 | 2275 | |
aoqi@0 | 2276 | // btos |
aoqi@0 | 2277 | __ ldsb(Rclass, Roffset, Otos_i); |
aoqi@0 | 2278 | __ push(itos); |
aoqi@0 | 2279 | if (!is_static) { |
aoqi@0 | 2280 | patch_bytecode(Bytecodes::_fast_bgetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2281 | } |
aoqi@0 | 2282 | __ ba(checkVolatile); |
aoqi@0 | 2283 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2284 | |
aoqi@0 | 2285 | __ bind(notByte); |
aoqi@0 | 2286 | |
aoqi@0 | 2287 | // cmp(Rflags, ctos); |
aoqi@0 | 2288 | __ br(Assembler::notEqual, false, Assembler::pt, notChar); |
aoqi@0 | 2289 | __ delayed() ->cmp(Rflags, stos); |
aoqi@0 | 2290 | |
aoqi@0 | 2291 | // ctos |
aoqi@0 | 2292 | __ lduh(Rclass, Roffset, Otos_i); |
aoqi@0 | 2293 | __ push(itos); |
aoqi@0 | 2294 | if (!is_static) { |
aoqi@0 | 2295 | patch_bytecode(Bytecodes::_fast_cgetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2296 | } |
aoqi@0 | 2297 | __ ba(checkVolatile); |
aoqi@0 | 2298 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2299 | |
aoqi@0 | 2300 | __ bind(notChar); |
aoqi@0 | 2301 | |
aoqi@0 | 2302 | // cmp(Rflags, stos); |
aoqi@0 | 2303 | __ br(Assembler::notEqual, false, Assembler::pt, notShort); |
aoqi@0 | 2304 | __ delayed() ->cmp(Rflags, ftos); |
aoqi@0 | 2305 | |
aoqi@0 | 2306 | // stos |
aoqi@0 | 2307 | __ ldsh(Rclass, Roffset, Otos_i); |
aoqi@0 | 2308 | __ push(itos); |
aoqi@0 | 2309 | if (!is_static) { |
aoqi@0 | 2310 | patch_bytecode(Bytecodes::_fast_sgetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2311 | } |
aoqi@0 | 2312 | __ ba(checkVolatile); |
aoqi@0 | 2313 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2314 | |
aoqi@0 | 2315 | __ bind(notShort); |
aoqi@0 | 2316 | |
aoqi@0 | 2317 | |
aoqi@0 | 2318 | // cmp(Rflags, ftos); |
aoqi@0 | 2319 | __ br(Assembler::notEqual, false, Assembler::pt, notFloat); |
aoqi@0 | 2320 | __ delayed() ->tst(Lscratch); |
aoqi@0 | 2321 | |
aoqi@0 | 2322 | // ftos |
aoqi@0 | 2323 | __ ldf(FloatRegisterImpl::S, Rclass, Roffset, Ftos_f); |
aoqi@0 | 2324 | __ push(ftos); |
aoqi@0 | 2325 | if (!is_static) { |
aoqi@0 | 2326 | patch_bytecode(Bytecodes::_fast_fgetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2327 | } |
aoqi@0 | 2328 | __ ba(checkVolatile); |
aoqi@0 | 2329 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2330 | |
aoqi@0 | 2331 | __ bind(notFloat); |
aoqi@0 | 2332 | |
aoqi@0 | 2333 | |
aoqi@0 | 2334 | // dtos |
aoqi@0 | 2335 | __ ldf(FloatRegisterImpl::D, Rclass, Roffset, Ftos_d); |
aoqi@0 | 2336 | __ push(dtos); |
aoqi@0 | 2337 | if (!is_static) { |
aoqi@0 | 2338 | patch_bytecode(Bytecodes::_fast_dgetfield, G3_scratch, G4_scratch); |
aoqi@0 | 2339 | } |
aoqi@0 | 2340 | |
aoqi@0 | 2341 | __ bind(checkVolatile); |
aoqi@0 | 2342 | if (__ membar_has_effect(membar_bits)) { |
aoqi@0 | 2343 | // __ tst(Lscratch); executed in delay slot |
aoqi@0 | 2344 | __ br(Assembler::zero, false, Assembler::pt, exit); |
aoqi@0 | 2345 | __ delayed()->nop(); |
aoqi@0 | 2346 | volatile_barrier(membar_bits); |
aoqi@0 | 2347 | } |
aoqi@0 | 2348 | |
aoqi@0 | 2349 | __ bind(exit); |
aoqi@0 | 2350 | } |
aoqi@0 | 2351 | |
aoqi@0 | 2352 | |
aoqi@0 | 2353 | void TemplateTable::getfield(int byte_no) { |
aoqi@0 | 2354 | getfield_or_static(byte_no, false); |
aoqi@0 | 2355 | } |
aoqi@0 | 2356 | |
aoqi@0 | 2357 | void TemplateTable::getstatic(int byte_no) { |
aoqi@0 | 2358 | getfield_or_static(byte_no, true); |
aoqi@0 | 2359 | } |
aoqi@0 | 2360 | |
aoqi@0 | 2361 | |
aoqi@0 | 2362 | void TemplateTable::fast_accessfield(TosState state) { |
aoqi@0 | 2363 | transition(atos, state); |
aoqi@0 | 2364 | Register Rcache = G3_scratch; |
aoqi@0 | 2365 | Register index = G4_scratch; |
aoqi@0 | 2366 | Register Roffset = G4_scratch; |
aoqi@0 | 2367 | Register Rflags = Rcache; |
aoqi@0 | 2368 | ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
aoqi@0 | 2369 | |
aoqi@0 | 2370 | __ get_cache_and_index_at_bcp(Rcache, index, 1); |
aoqi@0 | 2371 | jvmti_post_field_access(Rcache, index, /*is_static*/false, /*has_tos*/true); |
aoqi@0 | 2372 | |
aoqi@0 | 2373 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
aoqi@0 | 2374 | |
aoqi@0 | 2375 | __ null_check(Otos_i); |
aoqi@0 | 2376 | __ verify_oop(Otos_i); |
aoqi@0 | 2377 | |
aoqi@0 | 2378 | Label exit; |
aoqi@0 | 2379 | |
aoqi@0 | 2380 | Assembler::Membar_mask_bits membar_bits = |
aoqi@0 | 2381 | Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); |
aoqi@0 | 2382 | if (__ membar_has_effect(membar_bits)) { |
aoqi@0 | 2383 | // Get volatile flag |
aoqi@0 | 2384 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Rflags); |
aoqi@0 | 2385 | __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
aoqi@0 | 2386 | } |
aoqi@0 | 2387 | |
aoqi@0 | 2388 | switch (bytecode()) { |
aoqi@0 | 2389 | case Bytecodes::_fast_bgetfield: |
aoqi@0 | 2390 | __ ldsb(Otos_i, Roffset, Otos_i); |
aoqi@0 | 2391 | break; |
aoqi@0 | 2392 | case Bytecodes::_fast_cgetfield: |
aoqi@0 | 2393 | __ lduh(Otos_i, Roffset, Otos_i); |
aoqi@0 | 2394 | break; |
aoqi@0 | 2395 | case Bytecodes::_fast_sgetfield: |
aoqi@0 | 2396 | __ ldsh(Otos_i, Roffset, Otos_i); |
aoqi@0 | 2397 | break; |
aoqi@0 | 2398 | case Bytecodes::_fast_igetfield: |
aoqi@0 | 2399 | __ ld(Otos_i, Roffset, Otos_i); |
aoqi@0 | 2400 | break; |
aoqi@0 | 2401 | case Bytecodes::_fast_lgetfield: |
aoqi@0 | 2402 | __ ld_long(Otos_i, Roffset, Otos_l); |
aoqi@0 | 2403 | break; |
aoqi@0 | 2404 | case Bytecodes::_fast_fgetfield: |
aoqi@0 | 2405 | __ ldf(FloatRegisterImpl::S, Otos_i, Roffset, Ftos_f); |
aoqi@0 | 2406 | break; |
aoqi@0 | 2407 | case Bytecodes::_fast_dgetfield: |
aoqi@0 | 2408 | __ ldf(FloatRegisterImpl::D, Otos_i, Roffset, Ftos_d); |
aoqi@0 | 2409 | break; |
aoqi@0 | 2410 | case Bytecodes::_fast_agetfield: |
aoqi@0 | 2411 | __ load_heap_oop(Otos_i, Roffset, Otos_i); |
aoqi@0 | 2412 | break; |
aoqi@0 | 2413 | default: |
aoqi@0 | 2414 | ShouldNotReachHere(); |
aoqi@0 | 2415 | } |
aoqi@0 | 2416 | |
aoqi@0 | 2417 | if (__ membar_has_effect(membar_bits)) { |
aoqi@0 | 2418 | __ btst(Lscratch, Rflags); |
aoqi@0 | 2419 | __ br(Assembler::zero, false, Assembler::pt, exit); |
aoqi@0 | 2420 | __ delayed()->nop(); |
aoqi@0 | 2421 | volatile_barrier(membar_bits); |
aoqi@0 | 2422 | __ bind(exit); |
aoqi@0 | 2423 | } |
aoqi@0 | 2424 | |
aoqi@0 | 2425 | if (state == atos) { |
aoqi@0 | 2426 | __ verify_oop(Otos_i); // does not blow flags! |
aoqi@0 | 2427 | } |
aoqi@0 | 2428 | } |
aoqi@0 | 2429 | |
aoqi@0 | 2430 | void TemplateTable::jvmti_post_fast_field_mod() { |
aoqi@0 | 2431 | if (JvmtiExport::can_post_field_modification()) { |
aoqi@0 | 2432 | // Check to see if a field modification watch has been set before we take |
aoqi@0 | 2433 | // the time to call into the VM. |
aoqi@0 | 2434 | Label done; |
aoqi@0 | 2435 | AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
aoqi@0 | 2436 | __ load_contents(get_field_modification_count_addr, G4_scratch); |
aoqi@0 | 2437 | __ cmp_and_br_short(G4_scratch, 0, Assembler::equal, Assembler::pt, done); |
aoqi@0 | 2438 | __ pop_ptr(G4_scratch); // copy the object pointer from tos |
aoqi@0 | 2439 | __ verify_oop(G4_scratch); |
aoqi@0 | 2440 | __ push_ptr(G4_scratch); // put the object pointer back on tos |
aoqi@0 | 2441 | __ get_cache_entry_pointer_at_bcp(G1_scratch, G3_scratch, 1); |
aoqi@0 | 2442 | // Save tos values before call_VM() clobbers them. Since we have |
aoqi@0 | 2443 | // to do it for every data type, we use the saved values as the |
aoqi@0 | 2444 | // jvalue object. |
aoqi@0 | 2445 | switch (bytecode()) { // save tos values before call_VM() clobbers them |
aoqi@0 | 2446 | case Bytecodes::_fast_aputfield: __ push_ptr(Otos_i); break; |
aoqi@0 | 2447 | case Bytecodes::_fast_bputfield: // fall through |
aoqi@0 | 2448 | case Bytecodes::_fast_sputfield: // fall through |
aoqi@0 | 2449 | case Bytecodes::_fast_cputfield: // fall through |
aoqi@0 | 2450 | case Bytecodes::_fast_iputfield: __ push_i(Otos_i); break; |
aoqi@0 | 2451 | case Bytecodes::_fast_dputfield: __ push_d(Ftos_d); break; |
aoqi@0 | 2452 | case Bytecodes::_fast_fputfield: __ push_f(Ftos_f); break; |
aoqi@0 | 2453 | // get words in right order for use as jvalue object |
aoqi@0 | 2454 | case Bytecodes::_fast_lputfield: __ push_l(Otos_l); break; |
aoqi@0 | 2455 | } |
aoqi@0 | 2456 | // setup pointer to jvalue object |
aoqi@0 | 2457 | __ mov(Lesp, G3_scratch); __ inc(G3_scratch, wordSize); |
aoqi@0 | 2458 | // G4_scratch: object pointer |
aoqi@0 | 2459 | // G1_scratch: cache entry pointer |
aoqi@0 | 2460 | // G3_scratch: jvalue object on the stack |
aoqi@0 | 2461 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), G4_scratch, G1_scratch, G3_scratch); |
aoqi@0 | 2462 | switch (bytecode()) { // restore tos values |
aoqi@0 | 2463 | case Bytecodes::_fast_aputfield: __ pop_ptr(Otos_i); break; |
aoqi@0 | 2464 | case Bytecodes::_fast_bputfield: // fall through |
aoqi@0 | 2465 | case Bytecodes::_fast_sputfield: // fall through |
aoqi@0 | 2466 | case Bytecodes::_fast_cputfield: // fall through |
aoqi@0 | 2467 | case Bytecodes::_fast_iputfield: __ pop_i(Otos_i); break; |
aoqi@0 | 2468 | case Bytecodes::_fast_dputfield: __ pop_d(Ftos_d); break; |
aoqi@0 | 2469 | case Bytecodes::_fast_fputfield: __ pop_f(Ftos_f); break; |
aoqi@0 | 2470 | case Bytecodes::_fast_lputfield: __ pop_l(Otos_l); break; |
aoqi@0 | 2471 | } |
aoqi@0 | 2472 | __ bind(done); |
aoqi@0 | 2473 | } |
aoqi@0 | 2474 | } |
aoqi@0 | 2475 | |
aoqi@0 | 2476 | // The registers Rcache and index expected to be set before call. |
aoqi@0 | 2477 | // The function may destroy various registers, just not the Rcache and index registers. |
aoqi@0 | 2478 | void TemplateTable::jvmti_post_field_mod(Register Rcache, Register index, bool is_static) { |
aoqi@0 | 2479 | ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
aoqi@0 | 2480 | |
aoqi@0 | 2481 | if (JvmtiExport::can_post_field_modification()) { |
aoqi@0 | 2482 | // Check to see if a field modification watch has been set before we take |
aoqi@0 | 2483 | // the time to call into the VM. |
aoqi@0 | 2484 | Label Label1; |
aoqi@0 | 2485 | assert_different_registers(Rcache, index, G1_scratch); |
aoqi@0 | 2486 | AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
aoqi@0 | 2487 | __ load_contents(get_field_modification_count_addr, G1_scratch); |
aoqi@0 | 2488 | __ cmp_and_br_short(G1_scratch, 0, Assembler::zero, Assembler::pt, Label1); |
aoqi@0 | 2489 | |
aoqi@0 | 2490 | // The Rcache and index registers have been already set. |
aoqi@0 | 2491 | // This allows to eliminate this call but the Rcache and index |
aoqi@0 | 2492 | // registers must be correspondingly used after this line. |
aoqi@0 | 2493 | __ get_cache_and_index_at_bcp(G1_scratch, G4_scratch, 1); |
aoqi@0 | 2494 | |
aoqi@0 | 2495 | __ add(G1_scratch, in_bytes(cp_base_offset), G3_scratch); |
aoqi@0 | 2496 | if (is_static) { |
aoqi@0 | 2497 | // Life is simple. Null out the object pointer. |
aoqi@0 | 2498 | __ clr(G4_scratch); |
aoqi@0 | 2499 | } else { |
aoqi@0 | 2500 | Register Rflags = G1_scratch; |
aoqi@0 | 2501 | // Life is harder. The stack holds the value on top, followed by the |
aoqi@0 | 2502 | // object. We don't know the size of the value, though; it could be |
aoqi@0 | 2503 | // one or two words depending on its type. As a result, we must find |
aoqi@0 | 2504 | // the type to determine where the object is. |
aoqi@0 | 2505 | |
aoqi@0 | 2506 | Label two_word, valsizeknown; |
aoqi@0 | 2507 | __ ld_ptr(G1_scratch, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
aoqi@0 | 2508 | __ mov(Lesp, G4_scratch); |
aoqi@0 | 2509 | __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
aoqi@0 | 2510 | // Make sure we don't need to mask Rflags after the above shift |
aoqi@0 | 2511 | ConstantPoolCacheEntry::verify_tos_state_shift(); |
aoqi@0 | 2512 | __ cmp(Rflags, ltos); |
aoqi@0 | 2513 | __ br(Assembler::equal, false, Assembler::pt, two_word); |
aoqi@0 | 2514 | __ delayed()->cmp(Rflags, dtos); |
aoqi@0 | 2515 | __ br(Assembler::equal, false, Assembler::pt, two_word); |
aoqi@0 | 2516 | __ delayed()->nop(); |
aoqi@0 | 2517 | __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(1)); |
aoqi@0 | 2518 | __ ba_short(valsizeknown); |
aoqi@0 | 2519 | __ bind(two_word); |
aoqi@0 | 2520 | |
aoqi@0 | 2521 | __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(2)); |
aoqi@0 | 2522 | |
aoqi@0 | 2523 | __ bind(valsizeknown); |
aoqi@0 | 2524 | // setup object pointer |
aoqi@0 | 2525 | __ ld_ptr(G4_scratch, 0, G4_scratch); |
aoqi@0 | 2526 | __ verify_oop(G4_scratch); |
aoqi@0 | 2527 | } |
aoqi@0 | 2528 | // setup pointer to jvalue object |
aoqi@0 | 2529 | __ mov(Lesp, G1_scratch); __ inc(G1_scratch, wordSize); |
aoqi@0 | 2530 | // G4_scratch: object pointer or NULL if static |
aoqi@0 | 2531 | // G3_scratch: cache entry pointer |
aoqi@0 | 2532 | // G1_scratch: jvalue object on the stack |
aoqi@0 | 2533 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), |
aoqi@0 | 2534 | G4_scratch, G3_scratch, G1_scratch); |
aoqi@0 | 2535 | __ get_cache_and_index_at_bcp(Rcache, index, 1); |
aoqi@0 | 2536 | __ bind(Label1); |
aoqi@0 | 2537 | } |
aoqi@0 | 2538 | } |
aoqi@0 | 2539 | |
aoqi@0 | 2540 | void TemplateTable::pop_and_check_object(Register r) { |
aoqi@0 | 2541 | __ pop_ptr(r); |
aoqi@0 | 2542 | __ null_check(r); // for field access must check obj. |
aoqi@0 | 2543 | __ verify_oop(r); |
aoqi@0 | 2544 | } |
aoqi@0 | 2545 | |
aoqi@0 | 2546 | void TemplateTable::putfield_or_static(int byte_no, bool is_static) { |
aoqi@0 | 2547 | transition(vtos, vtos); |
aoqi@0 | 2548 | Register Rcache = G3_scratch; |
aoqi@0 | 2549 | Register index = G4_scratch; |
aoqi@0 | 2550 | Register Rclass = Rcache; |
aoqi@0 | 2551 | Register Roffset= G4_scratch; |
aoqi@0 | 2552 | Register Rflags = G1_scratch; |
aoqi@0 | 2553 | ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
aoqi@0 | 2554 | |
aoqi@0 | 2555 | resolve_cache_and_index(byte_no, Rcache, index, sizeof(u2)); |
aoqi@0 | 2556 | jvmti_post_field_mod(Rcache, index, is_static); |
aoqi@0 | 2557 | load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); |
aoqi@0 | 2558 | |
aoqi@0 | 2559 | Assembler::Membar_mask_bits read_bits = |
aoqi@0 | 2560 | Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); |
aoqi@0 | 2561 | Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; |
aoqi@0 | 2562 | |
aoqi@0 | 2563 | Label notVolatile, checkVolatile, exit; |
aoqi@0 | 2564 | if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { |
aoqi@0 | 2565 | __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
aoqi@0 | 2566 | __ and3(Rflags, Lscratch, Lscratch); |
aoqi@0 | 2567 | |
aoqi@0 | 2568 | if (__ membar_has_effect(read_bits)) { |
aoqi@0 | 2569 | __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
aoqi@0 | 2570 | volatile_barrier(read_bits); |
aoqi@0 | 2571 | __ bind(notVolatile); |
aoqi@0 | 2572 | } |
aoqi@0 | 2573 | } |
aoqi@0 | 2574 | |
aoqi@0 | 2575 | __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
aoqi@0 | 2576 | // Make sure we don't need to mask Rflags after the above shift |
aoqi@0 | 2577 | ConstantPoolCacheEntry::verify_tos_state_shift(); |
aoqi@0 | 2578 | |
aoqi@0 | 2579 | // compute field type |
aoqi@0 | 2580 | Label notInt, notShort, notChar, notObj, notByte, notLong, notFloat; |
aoqi@0 | 2581 | |
aoqi@0 | 2582 | if (is_static) { |
aoqi@0 | 2583 | // putstatic with object type most likely, check that first |
aoqi@0 | 2584 | __ cmp(Rflags, atos); |
aoqi@0 | 2585 | __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
aoqi@0 | 2586 | __ delayed()->cmp(Rflags, itos); |
aoqi@0 | 2587 | |
aoqi@0 | 2588 | // atos |
aoqi@0 | 2589 | { |
aoqi@0 | 2590 | __ pop_ptr(); |
aoqi@0 | 2591 | __ verify_oop(Otos_i); |
aoqi@0 | 2592 | do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
aoqi@0 | 2593 | __ ba(checkVolatile); |
aoqi@0 | 2594 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2595 | } |
aoqi@0 | 2596 | |
aoqi@0 | 2597 | __ bind(notObj); |
aoqi@0 | 2598 | // cmp(Rflags, itos); |
aoqi@0 | 2599 | __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
aoqi@0 | 2600 | __ delayed()->cmp(Rflags, btos); |
aoqi@0 | 2601 | |
aoqi@0 | 2602 | // itos |
aoqi@0 | 2603 | { |
aoqi@0 | 2604 | __ pop_i(); |
aoqi@0 | 2605 | __ st(Otos_i, Rclass, Roffset); |
aoqi@0 | 2606 | __ ba(checkVolatile); |
aoqi@0 | 2607 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2608 | } |
aoqi@0 | 2609 | |
aoqi@0 | 2610 | __ bind(notInt); |
aoqi@0 | 2611 | } else { |
aoqi@0 | 2612 | // putfield with int type most likely, check that first |
aoqi@0 | 2613 | __ cmp(Rflags, itos); |
aoqi@0 | 2614 | __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
aoqi@0 | 2615 | __ delayed()->cmp(Rflags, atos); |
aoqi@0 | 2616 | |
aoqi@0 | 2617 | // itos |
aoqi@0 | 2618 | { |
aoqi@0 | 2619 | __ pop_i(); |
aoqi@0 | 2620 | pop_and_check_object(Rclass); |
aoqi@0 | 2621 | __ st(Otos_i, Rclass, Roffset); |
aoqi@0 | 2622 | patch_bytecode(Bytecodes::_fast_iputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2623 | __ ba(checkVolatile); |
aoqi@0 | 2624 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2625 | } |
aoqi@0 | 2626 | |
aoqi@0 | 2627 | __ bind(notInt); |
aoqi@0 | 2628 | // cmp(Rflags, atos); |
aoqi@0 | 2629 | __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
aoqi@0 | 2630 | __ delayed()->cmp(Rflags, btos); |
aoqi@0 | 2631 | |
aoqi@0 | 2632 | // atos |
aoqi@0 | 2633 | { |
aoqi@0 | 2634 | __ pop_ptr(); |
aoqi@0 | 2635 | pop_and_check_object(Rclass); |
aoqi@0 | 2636 | __ verify_oop(Otos_i); |
aoqi@0 | 2637 | do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
aoqi@0 | 2638 | patch_bytecode(Bytecodes::_fast_aputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2639 | __ ba(checkVolatile); |
aoqi@0 | 2640 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2641 | } |
aoqi@0 | 2642 | |
aoqi@0 | 2643 | __ bind(notObj); |
aoqi@0 | 2644 | } |
aoqi@0 | 2645 | |
aoqi@0 | 2646 | // cmp(Rflags, btos); |
aoqi@0 | 2647 | __ br(Assembler::notEqual, false, Assembler::pt, notByte); |
aoqi@0 | 2648 | __ delayed()->cmp(Rflags, ltos); |
aoqi@0 | 2649 | |
aoqi@0 | 2650 | // btos |
aoqi@0 | 2651 | { |
aoqi@0 | 2652 | __ pop_i(); |
aoqi@0 | 2653 | if (!is_static) pop_and_check_object(Rclass); |
aoqi@0 | 2654 | __ stb(Otos_i, Rclass, Roffset); |
aoqi@0 | 2655 | if (!is_static) { |
aoqi@0 | 2656 | patch_bytecode(Bytecodes::_fast_bputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2657 | } |
aoqi@0 | 2658 | __ ba(checkVolatile); |
aoqi@0 | 2659 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2660 | } |
aoqi@0 | 2661 | |
aoqi@0 | 2662 | __ bind(notByte); |
aoqi@0 | 2663 | // cmp(Rflags, ltos); |
aoqi@0 | 2664 | __ br(Assembler::notEqual, false, Assembler::pt, notLong); |
aoqi@0 | 2665 | __ delayed()->cmp(Rflags, ctos); |
aoqi@0 | 2666 | |
aoqi@0 | 2667 | // ltos |
aoqi@0 | 2668 | { |
aoqi@0 | 2669 | __ pop_l(); |
aoqi@0 | 2670 | if (!is_static) pop_and_check_object(Rclass); |
aoqi@0 | 2671 | __ st_long(Otos_l, Rclass, Roffset); |
aoqi@0 | 2672 | if (!is_static) { |
aoqi@0 | 2673 | patch_bytecode(Bytecodes::_fast_lputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2674 | } |
aoqi@0 | 2675 | __ ba(checkVolatile); |
aoqi@0 | 2676 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2677 | } |
aoqi@0 | 2678 | |
aoqi@0 | 2679 | __ bind(notLong); |
aoqi@0 | 2680 | // cmp(Rflags, ctos); |
aoqi@0 | 2681 | __ br(Assembler::notEqual, false, Assembler::pt, notChar); |
aoqi@0 | 2682 | __ delayed()->cmp(Rflags, stos); |
aoqi@0 | 2683 | |
aoqi@0 | 2684 | // ctos (char) |
aoqi@0 | 2685 | { |
aoqi@0 | 2686 | __ pop_i(); |
aoqi@0 | 2687 | if (!is_static) pop_and_check_object(Rclass); |
aoqi@0 | 2688 | __ sth(Otos_i, Rclass, Roffset); |
aoqi@0 | 2689 | if (!is_static) { |
aoqi@0 | 2690 | patch_bytecode(Bytecodes::_fast_cputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2691 | } |
aoqi@0 | 2692 | __ ba(checkVolatile); |
aoqi@0 | 2693 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2694 | } |
aoqi@0 | 2695 | |
aoqi@0 | 2696 | __ bind(notChar); |
aoqi@0 | 2697 | // cmp(Rflags, stos); |
aoqi@0 | 2698 | __ br(Assembler::notEqual, false, Assembler::pt, notShort); |
aoqi@0 | 2699 | __ delayed()->cmp(Rflags, ftos); |
aoqi@0 | 2700 | |
aoqi@0 | 2701 | // stos (short) |
aoqi@0 | 2702 | { |
aoqi@0 | 2703 | __ pop_i(); |
aoqi@0 | 2704 | if (!is_static) pop_and_check_object(Rclass); |
aoqi@0 | 2705 | __ sth(Otos_i, Rclass, Roffset); |
aoqi@0 | 2706 | if (!is_static) { |
aoqi@0 | 2707 | patch_bytecode(Bytecodes::_fast_sputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2708 | } |
aoqi@0 | 2709 | __ ba(checkVolatile); |
aoqi@0 | 2710 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2711 | } |
aoqi@0 | 2712 | |
aoqi@0 | 2713 | __ bind(notShort); |
aoqi@0 | 2714 | // cmp(Rflags, ftos); |
aoqi@0 | 2715 | __ br(Assembler::notZero, false, Assembler::pt, notFloat); |
aoqi@0 | 2716 | __ delayed()->nop(); |
aoqi@0 | 2717 | |
aoqi@0 | 2718 | // ftos |
aoqi@0 | 2719 | { |
aoqi@0 | 2720 | __ pop_f(); |
aoqi@0 | 2721 | if (!is_static) pop_and_check_object(Rclass); |
aoqi@0 | 2722 | __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); |
aoqi@0 | 2723 | if (!is_static) { |
aoqi@0 | 2724 | patch_bytecode(Bytecodes::_fast_fputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2725 | } |
aoqi@0 | 2726 | __ ba(checkVolatile); |
aoqi@0 | 2727 | __ delayed()->tst(Lscratch); |
aoqi@0 | 2728 | } |
aoqi@0 | 2729 | |
aoqi@0 | 2730 | __ bind(notFloat); |
aoqi@0 | 2731 | |
aoqi@0 | 2732 | // dtos |
aoqi@0 | 2733 | { |
aoqi@0 | 2734 | __ pop_d(); |
aoqi@0 | 2735 | if (!is_static) pop_and_check_object(Rclass); |
aoqi@0 | 2736 | __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); |
aoqi@0 | 2737 | if (!is_static) { |
aoqi@0 | 2738 | patch_bytecode(Bytecodes::_fast_dputfield, G3_scratch, G4_scratch, true, byte_no); |
aoqi@0 | 2739 | } |
aoqi@0 | 2740 | } |
aoqi@0 | 2741 | |
aoqi@0 | 2742 | __ bind(checkVolatile); |
aoqi@0 | 2743 | __ tst(Lscratch); |
aoqi@0 | 2744 | |
aoqi@0 | 2745 | if (__ membar_has_effect(write_bits)) { |
aoqi@0 | 2746 | // __ tst(Lscratch); in delay slot |
aoqi@0 | 2747 | __ br(Assembler::zero, false, Assembler::pt, exit); |
aoqi@0 | 2748 | __ delayed()->nop(); |
aoqi@0 | 2749 | volatile_barrier(Assembler::StoreLoad); |
aoqi@0 | 2750 | __ bind(exit); |
aoqi@0 | 2751 | } |
aoqi@0 | 2752 | } |
aoqi@0 | 2753 | |
aoqi@0 | 2754 | void TemplateTable::fast_storefield(TosState state) { |
aoqi@0 | 2755 | transition(state, vtos); |
aoqi@0 | 2756 | Register Rcache = G3_scratch; |
aoqi@0 | 2757 | Register Rclass = Rcache; |
aoqi@0 | 2758 | Register Roffset= G4_scratch; |
aoqi@0 | 2759 | Register Rflags = G1_scratch; |
aoqi@0 | 2760 | ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
aoqi@0 | 2761 | |
aoqi@0 | 2762 | jvmti_post_fast_field_mod(); |
aoqi@0 | 2763 | |
aoqi@0 | 2764 | __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 1); |
aoqi@0 | 2765 | |
aoqi@0 | 2766 | Assembler::Membar_mask_bits read_bits = |
aoqi@0 | 2767 | Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); |
aoqi@0 | 2768 | Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; |
aoqi@0 | 2769 | |
aoqi@0 | 2770 | Label notVolatile, checkVolatile, exit; |
aoqi@0 | 2771 | if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { |
aoqi@0 | 2772 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
aoqi@0 | 2773 | __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
aoqi@0 | 2774 | __ and3(Rflags, Lscratch, Lscratch); |
aoqi@0 | 2775 | if (__ membar_has_effect(read_bits)) { |
aoqi@0 | 2776 | __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
aoqi@0 | 2777 | volatile_barrier(read_bits); |
aoqi@0 | 2778 | __ bind(notVolatile); |
aoqi@0 | 2779 | } |
aoqi@0 | 2780 | } |
aoqi@0 | 2781 | |
aoqi@0 | 2782 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
aoqi@0 | 2783 | pop_and_check_object(Rclass); |
aoqi@0 | 2784 | |
aoqi@0 | 2785 | switch (bytecode()) { |
aoqi@0 | 2786 | case Bytecodes::_fast_bputfield: __ stb(Otos_i, Rclass, Roffset); break; |
aoqi@0 | 2787 | case Bytecodes::_fast_cputfield: /* fall through */ |
aoqi@0 | 2788 | case Bytecodes::_fast_sputfield: __ sth(Otos_i, Rclass, Roffset); break; |
aoqi@0 | 2789 | case Bytecodes::_fast_iputfield: __ st(Otos_i, Rclass, Roffset); break; |
aoqi@0 | 2790 | case Bytecodes::_fast_lputfield: __ st_long(Otos_l, Rclass, Roffset); break; |
aoqi@0 | 2791 | case Bytecodes::_fast_fputfield: |
aoqi@0 | 2792 | __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); |
aoqi@0 | 2793 | break; |
aoqi@0 | 2794 | case Bytecodes::_fast_dputfield: |
aoqi@0 | 2795 | __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); |
aoqi@0 | 2796 | break; |
aoqi@0 | 2797 | case Bytecodes::_fast_aputfield: |
aoqi@0 | 2798 | do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
aoqi@0 | 2799 | break; |
aoqi@0 | 2800 | default: |
aoqi@0 | 2801 | ShouldNotReachHere(); |
aoqi@0 | 2802 | } |
aoqi@0 | 2803 | |
aoqi@0 | 2804 | if (__ membar_has_effect(write_bits)) { |
aoqi@0 | 2805 | __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, exit); |
aoqi@0 | 2806 | volatile_barrier(Assembler::StoreLoad); |
aoqi@0 | 2807 | __ bind(exit); |
aoqi@0 | 2808 | } |
aoqi@0 | 2809 | } |
aoqi@0 | 2810 | |
aoqi@0 | 2811 | |
aoqi@0 | 2812 | void TemplateTable::putfield(int byte_no) { |
aoqi@0 | 2813 | putfield_or_static(byte_no, false); |
aoqi@0 | 2814 | } |
aoqi@0 | 2815 | |
aoqi@0 | 2816 | void TemplateTable::putstatic(int byte_no) { |
aoqi@0 | 2817 | putfield_or_static(byte_no, true); |
aoqi@0 | 2818 | } |
aoqi@0 | 2819 | |
aoqi@0 | 2820 | |
aoqi@0 | 2821 | void TemplateTable::fast_xaccess(TosState state) { |
aoqi@0 | 2822 | transition(vtos, state); |
aoqi@0 | 2823 | Register Rcache = G3_scratch; |
aoqi@0 | 2824 | Register Roffset = G4_scratch; |
aoqi@0 | 2825 | Register Rflags = G4_scratch; |
aoqi@0 | 2826 | Register Rreceiver = Lscratch; |
aoqi@0 | 2827 | |
aoqi@0 | 2828 | __ ld_ptr(Llocals, 0, Rreceiver); |
aoqi@0 | 2829 | |
aoqi@0 | 2830 | // access constant pool cache (is resolved) |
aoqi@0 | 2831 | __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 2); |
aoqi@0 | 2832 | __ ld_ptr(Rcache, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::f2_offset(), Roffset); |
aoqi@0 | 2833 | __ add(Lbcp, 1, Lbcp); // needed to report exception at the correct bcp |
aoqi@0 | 2834 | |
aoqi@0 | 2835 | __ verify_oop(Rreceiver); |
aoqi@0 | 2836 | __ null_check(Rreceiver); |
aoqi@0 | 2837 | if (state == atos) { |
aoqi@0 | 2838 | __ load_heap_oop(Rreceiver, Roffset, Otos_i); |
aoqi@0 | 2839 | } else if (state == itos) { |
aoqi@0 | 2840 | __ ld (Rreceiver, Roffset, Otos_i) ; |
aoqi@0 | 2841 | } else if (state == ftos) { |
aoqi@0 | 2842 | __ ldf(FloatRegisterImpl::S, Rreceiver, Roffset, Ftos_f); |
aoqi@0 | 2843 | } else { |
aoqi@0 | 2844 | ShouldNotReachHere(); |
aoqi@0 | 2845 | } |
aoqi@0 | 2846 | |
aoqi@0 | 2847 | Assembler::Membar_mask_bits membar_bits = |
aoqi@0 | 2848 | Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); |
aoqi@0 | 2849 | if (__ membar_has_effect(membar_bits)) { |
aoqi@0 | 2850 | |
aoqi@0 | 2851 | // Get is_volatile value in Rflags and check if membar is needed |
aoqi@0 | 2852 | __ ld_ptr(Rcache, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset(), Rflags); |
aoqi@0 | 2853 | |
aoqi@0 | 2854 | // Test volatile |
aoqi@0 | 2855 | Label notVolatile; |
aoqi@0 | 2856 | __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
aoqi@0 | 2857 | __ btst(Rflags, Lscratch); |
aoqi@0 | 2858 | __ br(Assembler::zero, false, Assembler::pt, notVolatile); |
aoqi@0 | 2859 | __ delayed()->nop(); |
aoqi@0 | 2860 | volatile_barrier(membar_bits); |
aoqi@0 | 2861 | __ bind(notVolatile); |
aoqi@0 | 2862 | } |
aoqi@0 | 2863 | |
aoqi@0 | 2864 | __ interp_verify_oop(Otos_i, state, __FILE__, __LINE__); |
aoqi@0 | 2865 | __ sub(Lbcp, 1, Lbcp); |
aoqi@0 | 2866 | } |
aoqi@0 | 2867 | |
aoqi@0 | 2868 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 2869 | // Calls |
aoqi@0 | 2870 | |
aoqi@0 | 2871 | void TemplateTable::count_calls(Register method, Register temp) { |
aoqi@0 | 2872 | // implemented elsewhere |
aoqi@0 | 2873 | ShouldNotReachHere(); |
aoqi@0 | 2874 | } |
aoqi@0 | 2875 | |
aoqi@0 | 2876 | void TemplateTable::prepare_invoke(int byte_no, |
aoqi@0 | 2877 | Register method, // linked method (or i-klass) |
aoqi@0 | 2878 | Register ra, // return address |
aoqi@0 | 2879 | Register index, // itable index, MethodType, etc. |
aoqi@0 | 2880 | Register recv, // if caller wants to see it |
aoqi@0 | 2881 | Register flags // if caller wants to test it |
aoqi@0 | 2882 | ) { |
aoqi@0 | 2883 | // determine flags |
aoqi@0 | 2884 | const Bytecodes::Code code = bytecode(); |
aoqi@0 | 2885 | const bool is_invokeinterface = code == Bytecodes::_invokeinterface; |
aoqi@0 | 2886 | const bool is_invokedynamic = code == Bytecodes::_invokedynamic; |
aoqi@0 | 2887 | const bool is_invokehandle = code == Bytecodes::_invokehandle; |
aoqi@0 | 2888 | const bool is_invokevirtual = code == Bytecodes::_invokevirtual; |
aoqi@0 | 2889 | const bool is_invokespecial = code == Bytecodes::_invokespecial; |
aoqi@0 | 2890 | const bool load_receiver = (recv != noreg); |
aoqi@0 | 2891 | assert(load_receiver == (code != Bytecodes::_invokestatic && code != Bytecodes::_invokedynamic), ""); |
aoqi@0 | 2892 | assert(recv == noreg || recv == O0, ""); |
aoqi@0 | 2893 | assert(flags == noreg || flags == O1, ""); |
aoqi@0 | 2894 | |
aoqi@0 | 2895 | // setup registers & access constant pool cache |
aoqi@0 | 2896 | if (recv == noreg) recv = O0; |
aoqi@0 | 2897 | if (flags == noreg) flags = O1; |
aoqi@0 | 2898 | const Register temp = O2; |
aoqi@0 | 2899 | assert_different_registers(method, ra, index, recv, flags, temp); |
aoqi@0 | 2900 | |
aoqi@0 | 2901 | load_invoke_cp_cache_entry(byte_no, method, index, flags, is_invokevirtual, false, is_invokedynamic); |
aoqi@0 | 2902 | |
aoqi@0 | 2903 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
aoqi@0 | 2904 | |
aoqi@0 | 2905 | // maybe push appendix to arguments |
aoqi@0 | 2906 | if (is_invokedynamic || is_invokehandle) { |
aoqi@0 | 2907 | Label L_no_push; |
aoqi@0 | 2908 | __ set((1 << ConstantPoolCacheEntry::has_appendix_shift), temp); |
aoqi@0 | 2909 | __ btst(flags, temp); |
aoqi@0 | 2910 | __ br(Assembler::zero, false, Assembler::pt, L_no_push); |
aoqi@0 | 2911 | __ delayed()->nop(); |
aoqi@0 | 2912 | // Push the appendix as a trailing parameter. |
aoqi@0 | 2913 | // This must be done before we get the receiver, |
aoqi@0 | 2914 | // since the parameter_size includes it. |
aoqi@0 | 2915 | assert(ConstantPoolCacheEntry::_indy_resolved_references_appendix_offset == 0, "appendix expected at index+0"); |
aoqi@0 | 2916 | __ load_resolved_reference_at_index(temp, index); |
aoqi@0 | 2917 | __ verify_oop(temp); |
aoqi@0 | 2918 | __ push_ptr(temp); // push appendix (MethodType, CallSite, etc.) |
aoqi@0 | 2919 | __ bind(L_no_push); |
aoqi@0 | 2920 | } |
aoqi@0 | 2921 | |
aoqi@0 | 2922 | // load receiver if needed (after appendix is pushed so parameter size is correct) |
aoqi@0 | 2923 | if (load_receiver) { |
aoqi@0 | 2924 | __ and3(flags, ConstantPoolCacheEntry::parameter_size_mask, temp); // get parameter size |
aoqi@0 | 2925 | __ load_receiver(temp, recv); // __ argument_address uses Gargs but we need Lesp |
aoqi@0 | 2926 | __ verify_oop(recv); |
aoqi@0 | 2927 | } |
aoqi@0 | 2928 | |
aoqi@0 | 2929 | // compute return type |
aoqi@0 | 2930 | __ srl(flags, ConstantPoolCacheEntry::tos_state_shift, ra); |
aoqi@0 | 2931 | // Make sure we don't need to mask flags after the above shift |
aoqi@0 | 2932 | ConstantPoolCacheEntry::verify_tos_state_shift(); |
aoqi@0 | 2933 | // load return address |
aoqi@0 | 2934 | { |
aoqi@0 | 2935 | const address table_addr = (address) Interpreter::invoke_return_entry_table_for(code); |
aoqi@0 | 2936 | AddressLiteral table(table_addr); |
aoqi@0 | 2937 | __ set(table, temp); |
aoqi@0 | 2938 | __ sll(ra, LogBytesPerWord, ra); |
aoqi@0 | 2939 | __ ld_ptr(Address(temp, ra), ra); |
aoqi@0 | 2940 | } |
aoqi@0 | 2941 | } |
aoqi@0 | 2942 | |
aoqi@0 | 2943 | |
aoqi@0 | 2944 | void TemplateTable::generate_vtable_call(Register Rrecv, Register Rindex, Register Rret) { |
aoqi@0 | 2945 | Register Rcall = Rindex; |
aoqi@0 | 2946 | assert_different_registers(Rcall, G5_method, Gargs, Rret); |
aoqi@0 | 2947 | |
aoqi@0 | 2948 | // get target Method* & entry point |
aoqi@0 | 2949 | __ lookup_virtual_method(Rrecv, Rindex, G5_method); |
aoqi@0 | 2950 | __ profile_arguments_type(G5_method, Rcall, Gargs, true); |
aoqi@0 | 2951 | __ call_from_interpreter(Rcall, Gargs, Rret); |
aoqi@0 | 2952 | } |
aoqi@0 | 2953 | |
aoqi@0 | 2954 | void TemplateTable::invokevirtual(int byte_no) { |
aoqi@0 | 2955 | transition(vtos, vtos); |
aoqi@0 | 2956 | assert(byte_no == f2_byte, "use this argument"); |
aoqi@0 | 2957 | |
aoqi@0 | 2958 | Register Rscratch = G3_scratch; |
aoqi@0 | 2959 | Register Rtemp = G4_scratch; |
aoqi@0 | 2960 | Register Rret = Lscratch; |
aoqi@0 | 2961 | Register O0_recv = O0; |
aoqi@0 | 2962 | Label notFinal; |
aoqi@0 | 2963 | |
aoqi@0 | 2964 | load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, true, false, false); |
aoqi@0 | 2965 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
aoqi@0 | 2966 | |
aoqi@0 | 2967 | // Check for vfinal |
aoqi@0 | 2968 | __ set((1 << ConstantPoolCacheEntry::is_vfinal_shift), G4_scratch); |
aoqi@0 | 2969 | __ btst(Rret, G4_scratch); |
aoqi@0 | 2970 | __ br(Assembler::zero, false, Assembler::pt, notFinal); |
aoqi@0 | 2971 | __ delayed()->and3(Rret, 0xFF, G4_scratch); // gets number of parameters |
aoqi@0 | 2972 | |
aoqi@0 | 2973 | patch_bytecode(Bytecodes::_fast_invokevfinal, Rscratch, Rtemp); |
aoqi@0 | 2974 | |
aoqi@0 | 2975 | invokevfinal_helper(Rscratch, Rret); |
aoqi@0 | 2976 | |
aoqi@0 | 2977 | __ bind(notFinal); |
aoqi@0 | 2978 | |
aoqi@0 | 2979 | __ mov(G5_method, Rscratch); // better scratch register |
aoqi@0 | 2980 | __ load_receiver(G4_scratch, O0_recv); // gets receiverOop |
aoqi@0 | 2981 | // receiver is in O0_recv |
aoqi@0 | 2982 | __ verify_oop(O0_recv); |
aoqi@0 | 2983 | |
aoqi@0 | 2984 | // get return address |
aoqi@0 | 2985 | AddressLiteral table(Interpreter::invoke_return_entry_table()); |
aoqi@0 | 2986 | __ set(table, Rtemp); |
aoqi@0 | 2987 | __ srl(Rret, ConstantPoolCacheEntry::tos_state_shift, Rret); // get return type |
aoqi@0 | 2988 | // Make sure we don't need to mask Rret after the above shift |
aoqi@0 | 2989 | ConstantPoolCacheEntry::verify_tos_state_shift(); |
aoqi@0 | 2990 | __ sll(Rret, LogBytesPerWord, Rret); |
aoqi@0 | 2991 | __ ld_ptr(Rtemp, Rret, Rret); // get return address |
aoqi@0 | 2992 | |
aoqi@0 | 2993 | // get receiver klass |
aoqi@0 | 2994 | __ null_check(O0_recv, oopDesc::klass_offset_in_bytes()); |
aoqi@0 | 2995 | __ load_klass(O0_recv, O0_recv); |
aoqi@0 | 2996 | __ verify_klass_ptr(O0_recv); |
aoqi@0 | 2997 | |
aoqi@0 | 2998 | __ profile_virtual_call(O0_recv, O4); |
aoqi@0 | 2999 | |
aoqi@0 | 3000 | generate_vtable_call(O0_recv, Rscratch, Rret); |
aoqi@0 | 3001 | } |
aoqi@0 | 3002 | |
aoqi@0 | 3003 | void TemplateTable::fast_invokevfinal(int byte_no) { |
aoqi@0 | 3004 | transition(vtos, vtos); |
aoqi@0 | 3005 | assert(byte_no == f2_byte, "use this argument"); |
aoqi@0 | 3006 | |
aoqi@0 | 3007 | load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Lscratch, true, |
aoqi@0 | 3008 | /*is_invokevfinal*/true, false); |
aoqi@0 | 3009 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
aoqi@0 | 3010 | invokevfinal_helper(G3_scratch, Lscratch); |
aoqi@0 | 3011 | } |
aoqi@0 | 3012 | |
aoqi@0 | 3013 | void TemplateTable::invokevfinal_helper(Register Rscratch, Register Rret) { |
aoqi@0 | 3014 | Register Rtemp = G4_scratch; |
aoqi@0 | 3015 | |
aoqi@0 | 3016 | // Load receiver from stack slot |
aoqi@0 | 3017 | __ ld_ptr(G5_method, in_bytes(Method::const_offset()), G4_scratch); |
aoqi@0 | 3018 | __ lduh(G4_scratch, in_bytes(ConstMethod::size_of_parameters_offset()), G4_scratch); |
aoqi@0 | 3019 | __ load_receiver(G4_scratch, O0); |
aoqi@0 | 3020 | |
aoqi@0 | 3021 | // receiver NULL check |
aoqi@0 | 3022 | __ null_check(O0); |
aoqi@0 | 3023 | |
aoqi@0 | 3024 | __ profile_final_call(O4); |
aoqi@0 | 3025 | __ profile_arguments_type(G5_method, Rscratch, Gargs, true); |
aoqi@0 | 3026 | |
aoqi@0 | 3027 | // get return address |
aoqi@0 | 3028 | AddressLiteral table(Interpreter::invoke_return_entry_table()); |
aoqi@0 | 3029 | __ set(table, Rtemp); |
aoqi@0 | 3030 | __ srl(Rret, ConstantPoolCacheEntry::tos_state_shift, Rret); // get return type |
aoqi@0 | 3031 | // Make sure we don't need to mask Rret after the above shift |
aoqi@0 | 3032 | ConstantPoolCacheEntry::verify_tos_state_shift(); |
aoqi@0 | 3033 | __ sll(Rret, LogBytesPerWord, Rret); |
aoqi@0 | 3034 | __ ld_ptr(Rtemp, Rret, Rret); // get return address |
aoqi@0 | 3035 | |
aoqi@0 | 3036 | |
aoqi@0 | 3037 | // do the call |
aoqi@0 | 3038 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
aoqi@0 | 3039 | } |
aoqi@0 | 3040 | |
aoqi@0 | 3041 | |
aoqi@0 | 3042 | void TemplateTable::invokespecial(int byte_no) { |
aoqi@0 | 3043 | transition(vtos, vtos); |
aoqi@0 | 3044 | assert(byte_no == f1_byte, "use this argument"); |
aoqi@0 | 3045 | |
aoqi@0 | 3046 | const Register Rret = Lscratch; |
aoqi@0 | 3047 | const Register O0_recv = O0; |
aoqi@0 | 3048 | const Register Rscratch = G3_scratch; |
aoqi@0 | 3049 | |
aoqi@0 | 3050 | prepare_invoke(byte_no, G5_method, Rret, noreg, O0_recv); // get receiver also for null check |
aoqi@0 | 3051 | __ null_check(O0_recv); |
aoqi@0 | 3052 | |
aoqi@0 | 3053 | // do the call |
aoqi@0 | 3054 | __ profile_call(O4); |
aoqi@0 | 3055 | __ profile_arguments_type(G5_method, Rscratch, Gargs, false); |
aoqi@0 | 3056 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
aoqi@0 | 3057 | } |
aoqi@0 | 3058 | |
aoqi@0 | 3059 | |
aoqi@0 | 3060 | void TemplateTable::invokestatic(int byte_no) { |
aoqi@0 | 3061 | transition(vtos, vtos); |
aoqi@0 | 3062 | assert(byte_no == f1_byte, "use this argument"); |
aoqi@0 | 3063 | |
aoqi@0 | 3064 | const Register Rret = Lscratch; |
aoqi@0 | 3065 | const Register Rscratch = G3_scratch; |
aoqi@0 | 3066 | |
aoqi@0 | 3067 | prepare_invoke(byte_no, G5_method, Rret); // get f1 Method* |
aoqi@0 | 3068 | |
aoqi@0 | 3069 | // do the call |
aoqi@0 | 3070 | __ profile_call(O4); |
aoqi@0 | 3071 | __ profile_arguments_type(G5_method, Rscratch, Gargs, false); |
aoqi@0 | 3072 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
aoqi@0 | 3073 | } |
aoqi@0 | 3074 | |
aoqi@0 | 3075 | void TemplateTable::invokeinterface_object_method(Register RKlass, |
aoqi@0 | 3076 | Register Rcall, |
aoqi@0 | 3077 | Register Rret, |
aoqi@0 | 3078 | Register Rflags) { |
aoqi@0 | 3079 | Register Rscratch = G4_scratch; |
aoqi@0 | 3080 | Register Rindex = Lscratch; |
aoqi@0 | 3081 | |
aoqi@0 | 3082 | assert_different_registers(Rscratch, Rindex, Rret); |
aoqi@0 | 3083 | |
aoqi@0 | 3084 | Label notFinal; |
aoqi@0 | 3085 | |
aoqi@0 | 3086 | // Check for vfinal |
aoqi@0 | 3087 | __ set((1 << ConstantPoolCacheEntry::is_vfinal_shift), Rscratch); |
aoqi@0 | 3088 | __ btst(Rflags, Rscratch); |
aoqi@0 | 3089 | __ br(Assembler::zero, false, Assembler::pt, notFinal); |
aoqi@0 | 3090 | __ delayed()->nop(); |
aoqi@0 | 3091 | |
aoqi@0 | 3092 | __ profile_final_call(O4); |
aoqi@0 | 3093 | |
aoqi@0 | 3094 | // do the call - the index (f2) contains the Method* |
aoqi@0 | 3095 | assert_different_registers(G5_method, Gargs, Rcall); |
aoqi@0 | 3096 | __ mov(Rindex, G5_method); |
aoqi@0 | 3097 | __ profile_arguments_type(G5_method, Rcall, Gargs, true); |
aoqi@0 | 3098 | __ call_from_interpreter(Rcall, Gargs, Rret); |
aoqi@0 | 3099 | __ bind(notFinal); |
aoqi@0 | 3100 | |
aoqi@0 | 3101 | __ profile_virtual_call(RKlass, O4); |
aoqi@0 | 3102 | generate_vtable_call(RKlass, Rindex, Rret); |
aoqi@0 | 3103 | } |
aoqi@0 | 3104 | |
aoqi@0 | 3105 | |
aoqi@0 | 3106 | void TemplateTable::invokeinterface(int byte_no) { |
aoqi@0 | 3107 | transition(vtos, vtos); |
aoqi@0 | 3108 | assert(byte_no == f1_byte, "use this argument"); |
aoqi@0 | 3109 | |
aoqi@0 | 3110 | const Register Rinterface = G1_scratch; |
aoqi@0 | 3111 | const Register Rret = G3_scratch; |
aoqi@0 | 3112 | const Register Rindex = Lscratch; |
aoqi@0 | 3113 | const Register O0_recv = O0; |
aoqi@0 | 3114 | const Register O1_flags = O1; |
aoqi@0 | 3115 | const Register O2_Klass = O2; |
aoqi@0 | 3116 | const Register Rscratch = G4_scratch; |
aoqi@0 | 3117 | assert_different_registers(Rscratch, G5_method); |
aoqi@0 | 3118 | |
aoqi@0 | 3119 | prepare_invoke(byte_no, Rinterface, Rret, Rindex, O0_recv, O1_flags); |
aoqi@0 | 3120 | |
aoqi@0 | 3121 | // get receiver klass |
aoqi@0 | 3122 | __ null_check(O0_recv, oopDesc::klass_offset_in_bytes()); |
aoqi@0 | 3123 | __ load_klass(O0_recv, O2_Klass); |
aoqi@0 | 3124 | |
aoqi@0 | 3125 | // Special case of invokeinterface called for virtual method of |
aoqi@0 | 3126 | // java.lang.Object. See cpCacheOop.cpp for details. |
aoqi@0 | 3127 | // This code isn't produced by javac, but could be produced by |
aoqi@0 | 3128 | // another compliant java compiler. |
aoqi@0 | 3129 | Label notMethod; |
aoqi@0 | 3130 | __ set((1 << ConstantPoolCacheEntry::is_forced_virtual_shift), Rscratch); |
aoqi@0 | 3131 | __ btst(O1_flags, Rscratch); |
aoqi@0 | 3132 | __ br(Assembler::zero, false, Assembler::pt, notMethod); |
aoqi@0 | 3133 | __ delayed()->nop(); |
aoqi@0 | 3134 | |
aoqi@0 | 3135 | invokeinterface_object_method(O2_Klass, Rinterface, Rret, O1_flags); |
aoqi@0 | 3136 | |
aoqi@0 | 3137 | __ bind(notMethod); |
aoqi@0 | 3138 | |
aoqi@0 | 3139 | __ profile_virtual_call(O2_Klass, O4); |
aoqi@0 | 3140 | |
aoqi@0 | 3141 | // |
aoqi@0 | 3142 | // find entry point to call |
aoqi@0 | 3143 | // |
aoqi@0 | 3144 | |
aoqi@0 | 3145 | // compute start of first itableOffsetEntry (which is at end of vtable) |
aoqi@0 | 3146 | const int base = InstanceKlass::vtable_start_offset() * wordSize; |
aoqi@0 | 3147 | Label search; |
aoqi@0 | 3148 | Register Rtemp = O1_flags; |
aoqi@0 | 3149 | |
aoqi@0 | 3150 | __ ld(O2_Klass, InstanceKlass::vtable_length_offset() * wordSize, Rtemp); |
aoqi@0 | 3151 | if (align_object_offset(1) > 1) { |
aoqi@0 | 3152 | __ round_to(Rtemp, align_object_offset(1)); |
aoqi@0 | 3153 | } |
aoqi@0 | 3154 | __ sll(Rtemp, LogBytesPerWord, Rtemp); // Rscratch *= 4; |
aoqi@0 | 3155 | if (Assembler::is_simm13(base)) { |
aoqi@0 | 3156 | __ add(Rtemp, base, Rtemp); |
aoqi@0 | 3157 | } else { |
aoqi@0 | 3158 | __ set(base, Rscratch); |
aoqi@0 | 3159 | __ add(Rscratch, Rtemp, Rtemp); |
aoqi@0 | 3160 | } |
aoqi@0 | 3161 | __ add(O2_Klass, Rtemp, Rscratch); |
aoqi@0 | 3162 | |
aoqi@0 | 3163 | __ bind(search); |
aoqi@0 | 3164 | |
aoqi@0 | 3165 | __ ld_ptr(Rscratch, itableOffsetEntry::interface_offset_in_bytes(), Rtemp); |
aoqi@0 | 3166 | { |
aoqi@0 | 3167 | Label ok; |
aoqi@0 | 3168 | |
aoqi@0 | 3169 | // Check that entry is non-null. Null entries are probably a bytecode |
aoqi@0 | 3170 | // problem. If the interface isn't implemented by the receiver class, |
aoqi@0 | 3171 | // the VM should throw IncompatibleClassChangeError. linkResolver checks |
aoqi@0 | 3172 | // this too but that's only if the entry isn't already resolved, so we |
aoqi@0 | 3173 | // need to check again. |
aoqi@0 | 3174 | __ br_notnull_short( Rtemp, Assembler::pt, ok); |
aoqi@0 | 3175 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError)); |
aoqi@0 | 3176 | __ should_not_reach_here(); |
aoqi@0 | 3177 | __ bind(ok); |
aoqi@0 | 3178 | } |
aoqi@0 | 3179 | |
aoqi@0 | 3180 | __ cmp(Rinterface, Rtemp); |
aoqi@0 | 3181 | __ brx(Assembler::notEqual, true, Assembler::pn, search); |
aoqi@0 | 3182 | __ delayed()->add(Rscratch, itableOffsetEntry::size() * wordSize, Rscratch); |
aoqi@0 | 3183 | |
aoqi@0 | 3184 | // entry found and Rscratch points to it |
aoqi@0 | 3185 | __ ld(Rscratch, itableOffsetEntry::offset_offset_in_bytes(), Rscratch); |
aoqi@0 | 3186 | |
aoqi@0 | 3187 | assert(itableMethodEntry::method_offset_in_bytes() == 0, "adjust instruction below"); |
aoqi@0 | 3188 | __ sll(Rindex, exact_log2(itableMethodEntry::size() * wordSize), Rindex); // Rindex *= 8; |
aoqi@0 | 3189 | __ add(Rscratch, Rindex, Rscratch); |
aoqi@0 | 3190 | __ ld_ptr(O2_Klass, Rscratch, G5_method); |
aoqi@0 | 3191 | |
aoqi@0 | 3192 | // Check for abstract method error. |
aoqi@0 | 3193 | { |
aoqi@0 | 3194 | Label ok; |
aoqi@0 | 3195 | __ br_notnull_short(G5_method, Assembler::pt, ok); |
aoqi@0 | 3196 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError)); |
aoqi@0 | 3197 | __ should_not_reach_here(); |
aoqi@0 | 3198 | __ bind(ok); |
aoqi@0 | 3199 | } |
aoqi@0 | 3200 | |
aoqi@0 | 3201 | Register Rcall = Rinterface; |
aoqi@0 | 3202 | assert_different_registers(Rcall, G5_method, Gargs, Rret); |
aoqi@0 | 3203 | |
aoqi@0 | 3204 | __ profile_arguments_type(G5_method, Rcall, Gargs, true); |
aoqi@0 | 3205 | __ call_from_interpreter(Rcall, Gargs, Rret); |
aoqi@0 | 3206 | } |
aoqi@0 | 3207 | |
aoqi@0 | 3208 | void TemplateTable::invokehandle(int byte_no) { |
aoqi@0 | 3209 | transition(vtos, vtos); |
aoqi@0 | 3210 | assert(byte_no == f1_byte, "use this argument"); |
aoqi@0 | 3211 | |
aoqi@0 | 3212 | if (!EnableInvokeDynamic) { |
aoqi@0 | 3213 | // rewriter does not generate this bytecode |
aoqi@0 | 3214 | __ should_not_reach_here(); |
aoqi@0 | 3215 | return; |
aoqi@0 | 3216 | } |
aoqi@0 | 3217 | |
aoqi@0 | 3218 | const Register Rret = Lscratch; |
aoqi@0 | 3219 | const Register G4_mtype = G4_scratch; |
aoqi@0 | 3220 | const Register O0_recv = O0; |
aoqi@0 | 3221 | const Register Rscratch = G3_scratch; |
aoqi@0 | 3222 | |
aoqi@0 | 3223 | prepare_invoke(byte_no, G5_method, Rret, G4_mtype, O0_recv); |
aoqi@0 | 3224 | __ null_check(O0_recv); |
aoqi@0 | 3225 | |
aoqi@0 | 3226 | // G4: MethodType object (from cpool->resolved_references[f1], if necessary) |
aoqi@0 | 3227 | // G5: MH.invokeExact_MT method (from f2) |
aoqi@0 | 3228 | |
aoqi@0 | 3229 | // Note: G4_mtype is already pushed (if necessary) by prepare_invoke |
aoqi@0 | 3230 | |
aoqi@0 | 3231 | // do the call |
aoqi@0 | 3232 | __ verify_oop(G4_mtype); |
aoqi@0 | 3233 | __ profile_final_call(O4); // FIXME: profile the LambdaForm also |
aoqi@0 | 3234 | __ profile_arguments_type(G5_method, Rscratch, Gargs, true); |
aoqi@0 | 3235 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
aoqi@0 | 3236 | } |
aoqi@0 | 3237 | |
aoqi@0 | 3238 | |
aoqi@0 | 3239 | void TemplateTable::invokedynamic(int byte_no) { |
aoqi@0 | 3240 | transition(vtos, vtos); |
aoqi@0 | 3241 | assert(byte_no == f1_byte, "use this argument"); |
aoqi@0 | 3242 | |
aoqi@0 | 3243 | if (!EnableInvokeDynamic) { |
aoqi@0 | 3244 | // We should not encounter this bytecode if !EnableInvokeDynamic. |
aoqi@0 | 3245 | // The verifier will stop it. However, if we get past the verifier, |
aoqi@0 | 3246 | // this will stop the thread in a reasonable way, without crashing the JVM. |
aoqi@0 | 3247 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
aoqi@0 | 3248 | InterpreterRuntime::throw_IncompatibleClassChangeError)); |
aoqi@0 | 3249 | // the call_VM checks for exception, so we should never return here. |
aoqi@0 | 3250 | __ should_not_reach_here(); |
aoqi@0 | 3251 | return; |
aoqi@0 | 3252 | } |
aoqi@0 | 3253 | |
aoqi@0 | 3254 | const Register Rret = Lscratch; |
aoqi@0 | 3255 | const Register G4_callsite = G4_scratch; |
aoqi@0 | 3256 | const Register Rscratch = G3_scratch; |
aoqi@0 | 3257 | |
aoqi@0 | 3258 | prepare_invoke(byte_no, G5_method, Rret, G4_callsite); |
aoqi@0 | 3259 | |
aoqi@0 | 3260 | // G4: CallSite object (from cpool->resolved_references[f1]) |
aoqi@0 | 3261 | // G5: MH.linkToCallSite method (from f2) |
aoqi@0 | 3262 | |
aoqi@0 | 3263 | // Note: G4_callsite is already pushed by prepare_invoke |
aoqi@0 | 3264 | |
aoqi@0 | 3265 | // %%% should make a type profile for any invokedynamic that takes a ref argument |
aoqi@0 | 3266 | // profile this call |
aoqi@0 | 3267 | __ profile_call(O4); |
aoqi@0 | 3268 | |
aoqi@0 | 3269 | // do the call |
aoqi@0 | 3270 | __ verify_oop(G4_callsite); |
aoqi@0 | 3271 | __ profile_arguments_type(G5_method, Rscratch, Gargs, false); |
aoqi@0 | 3272 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
aoqi@0 | 3273 | } |
aoqi@0 | 3274 | |
aoqi@0 | 3275 | |
aoqi@0 | 3276 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 3277 | // Allocation |
aoqi@0 | 3278 | |
aoqi@0 | 3279 | void TemplateTable::_new() { |
aoqi@0 | 3280 | transition(vtos, atos); |
aoqi@0 | 3281 | |
aoqi@0 | 3282 | Label slow_case; |
aoqi@0 | 3283 | Label done; |
aoqi@0 | 3284 | Label initialize_header; |
aoqi@0 | 3285 | Label initialize_object; // including clearing the fields |
aoqi@0 | 3286 | |
aoqi@0 | 3287 | Register RallocatedObject = Otos_i; |
aoqi@0 | 3288 | Register RinstanceKlass = O1; |
aoqi@0 | 3289 | Register Roffset = O3; |
aoqi@0 | 3290 | Register Rscratch = O4; |
aoqi@0 | 3291 | |
aoqi@0 | 3292 | __ get_2_byte_integer_at_bcp(1, Rscratch, Roffset, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 3293 | __ get_cpool_and_tags(Rscratch, G3_scratch); |
aoqi@0 | 3294 | // make sure the class we're about to instantiate has been resolved |
aoqi@0 | 3295 | // This is done before loading InstanceKlass to be consistent with the order |
aoqi@0 | 3296 | // how Constant Pool is updated (see ConstantPool::klass_at_put) |
aoqi@0 | 3297 | __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
aoqi@0 | 3298 | __ ldub(G3_scratch, Roffset, G3_scratch); |
aoqi@0 | 3299 | __ cmp(G3_scratch, JVM_CONSTANT_Class); |
aoqi@0 | 3300 | __ br(Assembler::notEqual, false, Assembler::pn, slow_case); |
aoqi@0 | 3301 | __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); |
aoqi@0 | 3302 | // get InstanceKlass |
aoqi@0 | 3303 | //__ sll(Roffset, LogBytesPerWord, Roffset); // executed in delay slot |
aoqi@0 | 3304 | __ add(Roffset, sizeof(ConstantPool), Roffset); |
aoqi@0 | 3305 | __ ld_ptr(Rscratch, Roffset, RinstanceKlass); |
aoqi@0 | 3306 | |
aoqi@0 | 3307 | // make sure klass is fully initialized: |
aoqi@0 | 3308 | __ ldub(RinstanceKlass, in_bytes(InstanceKlass::init_state_offset()), G3_scratch); |
aoqi@0 | 3309 | __ cmp(G3_scratch, InstanceKlass::fully_initialized); |
aoqi@0 | 3310 | __ br(Assembler::notEqual, false, Assembler::pn, slow_case); |
aoqi@0 | 3311 | __ delayed()->ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
aoqi@0 | 3312 | |
aoqi@0 | 3313 | // get instance_size in InstanceKlass (already aligned) |
aoqi@0 | 3314 | //__ ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
aoqi@0 | 3315 | |
aoqi@0 | 3316 | // make sure klass does not have has_finalizer, or is abstract, or interface or java/lang/Class |
aoqi@0 | 3317 | __ btst(Klass::_lh_instance_slow_path_bit, Roffset); |
aoqi@0 | 3318 | __ br(Assembler::notZero, false, Assembler::pn, slow_case); |
aoqi@0 | 3319 | __ delayed()->nop(); |
aoqi@0 | 3320 | |
aoqi@0 | 3321 | // allocate the instance |
aoqi@0 | 3322 | // 1) Try to allocate in the TLAB |
aoqi@0 | 3323 | // 2) if fail, and the TLAB is not full enough to discard, allocate in the shared Eden |
aoqi@0 | 3324 | // 3) if the above fails (or is not applicable), go to a slow case |
aoqi@0 | 3325 | // (creates a new TLAB, etc.) |
aoqi@0 | 3326 | |
aoqi@0 | 3327 | const bool allow_shared_alloc = |
aoqi@0 | 3328 | Universe::heap()->supports_inline_contig_alloc() && !CMSIncrementalMode; |
aoqi@0 | 3329 | |
aoqi@0 | 3330 | if(UseTLAB) { |
aoqi@0 | 3331 | Register RoldTopValue = RallocatedObject; |
aoqi@0 | 3332 | Register RtlabWasteLimitValue = G3_scratch; |
aoqi@0 | 3333 | Register RnewTopValue = G1_scratch; |
aoqi@0 | 3334 | Register RendValue = Rscratch; |
aoqi@0 | 3335 | Register RfreeValue = RnewTopValue; |
aoqi@0 | 3336 | |
aoqi@0 | 3337 | // check if we can allocate in the TLAB |
aoqi@0 | 3338 | __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_top_offset()), RoldTopValue); // sets up RalocatedObject |
aoqi@0 | 3339 | __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_end_offset()), RendValue); |
aoqi@0 | 3340 | __ add(RoldTopValue, Roffset, RnewTopValue); |
aoqi@0 | 3341 | |
aoqi@0 | 3342 | // if there is enough space, we do not CAS and do not clear |
aoqi@0 | 3343 | __ cmp(RnewTopValue, RendValue); |
aoqi@0 | 3344 | if(ZeroTLAB) { |
aoqi@0 | 3345 | // the fields have already been cleared |
aoqi@0 | 3346 | __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_header); |
aoqi@0 | 3347 | } else { |
aoqi@0 | 3348 | // initialize both the header and fields |
aoqi@0 | 3349 | __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_object); |
aoqi@0 | 3350 | } |
aoqi@0 | 3351 | __ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset())); |
aoqi@0 | 3352 | |
aoqi@0 | 3353 | if (allow_shared_alloc) { |
aoqi@0 | 3354 | // Check if tlab should be discarded (refill_waste_limit >= free) |
aoqi@0 | 3355 | __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue); |
aoqi@0 | 3356 | __ sub(RendValue, RoldTopValue, RfreeValue); |
aoqi@0 | 3357 | #ifdef _LP64 |
aoqi@0 | 3358 | __ srlx(RfreeValue, LogHeapWordSize, RfreeValue); |
aoqi@0 | 3359 | #else |
aoqi@0 | 3360 | __ srl(RfreeValue, LogHeapWordSize, RfreeValue); |
aoqi@0 | 3361 | #endif |
aoqi@0 | 3362 | __ cmp_and_brx_short(RtlabWasteLimitValue, RfreeValue, Assembler::greaterEqualUnsigned, Assembler::pt, slow_case); // tlab waste is small |
aoqi@0 | 3363 | |
aoqi@0 | 3364 | // increment waste limit to prevent getting stuck on this slow path |
aoqi@0 | 3365 | __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue); |
aoqi@0 | 3366 | __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset())); |
aoqi@0 | 3367 | } else { |
aoqi@0 | 3368 | // No allocation in the shared eden. |
aoqi@0 | 3369 | __ ba_short(slow_case); |
aoqi@0 | 3370 | } |
aoqi@0 | 3371 | } |
aoqi@0 | 3372 | |
aoqi@0 | 3373 | // Allocation in the shared Eden |
aoqi@0 | 3374 | if (allow_shared_alloc) { |
aoqi@0 | 3375 | Register RoldTopValue = G1_scratch; |
aoqi@0 | 3376 | Register RtopAddr = G3_scratch; |
aoqi@0 | 3377 | Register RnewTopValue = RallocatedObject; |
aoqi@0 | 3378 | Register RendValue = Rscratch; |
aoqi@0 | 3379 | |
aoqi@0 | 3380 | __ set((intptr_t)Universe::heap()->top_addr(), RtopAddr); |
aoqi@0 | 3381 | |
aoqi@0 | 3382 | Label retry; |
aoqi@0 | 3383 | __ bind(retry); |
aoqi@0 | 3384 | __ set((intptr_t)Universe::heap()->end_addr(), RendValue); |
aoqi@0 | 3385 | __ ld_ptr(RendValue, 0, RendValue); |
aoqi@0 | 3386 | __ ld_ptr(RtopAddr, 0, RoldTopValue); |
aoqi@0 | 3387 | __ add(RoldTopValue, Roffset, RnewTopValue); |
aoqi@0 | 3388 | |
aoqi@0 | 3389 | // RnewTopValue contains the top address after the new object |
aoqi@0 | 3390 | // has been allocated. |
aoqi@0 | 3391 | __ cmp_and_brx_short(RnewTopValue, RendValue, Assembler::greaterUnsigned, Assembler::pn, slow_case); |
aoqi@0 | 3392 | |
aoqi@0 | 3393 | __ cas_ptr(RtopAddr, RoldTopValue, RnewTopValue); |
aoqi@0 | 3394 | |
aoqi@0 | 3395 | // if someone beat us on the allocation, try again, otherwise continue |
aoqi@0 | 3396 | __ cmp_and_brx_short(RoldTopValue, RnewTopValue, Assembler::notEqual, Assembler::pn, retry); |
aoqi@0 | 3397 | |
aoqi@0 | 3398 | // bump total bytes allocated by this thread |
aoqi@0 | 3399 | // RoldTopValue and RtopAddr are dead, so can use G1 and G3 |
aoqi@0 | 3400 | __ incr_allocated_bytes(Roffset, G1_scratch, G3_scratch); |
aoqi@0 | 3401 | } |
aoqi@0 | 3402 | |
aoqi@0 | 3403 | if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) { |
aoqi@0 | 3404 | // clear object fields |
aoqi@0 | 3405 | __ bind(initialize_object); |
aoqi@0 | 3406 | __ deccc(Roffset, sizeof(oopDesc)); |
aoqi@0 | 3407 | __ br(Assembler::zero, false, Assembler::pt, initialize_header); |
aoqi@0 | 3408 | __ delayed()->add(RallocatedObject, sizeof(oopDesc), G3_scratch); |
aoqi@0 | 3409 | |
aoqi@0 | 3410 | // initialize remaining object fields |
aoqi@0 | 3411 | if (UseBlockZeroing) { |
aoqi@0 | 3412 | // Use BIS for zeroing |
aoqi@0 | 3413 | __ bis_zeroing(G3_scratch, Roffset, G1_scratch, initialize_header); |
aoqi@0 | 3414 | } else { |
aoqi@0 | 3415 | Label loop; |
aoqi@0 | 3416 | __ subcc(Roffset, wordSize, Roffset); |
aoqi@0 | 3417 | __ bind(loop); |
aoqi@0 | 3418 | //__ subcc(Roffset, wordSize, Roffset); // executed above loop or in delay slot |
aoqi@0 | 3419 | __ st_ptr(G0, G3_scratch, Roffset); |
aoqi@0 | 3420 | __ br(Assembler::notEqual, false, Assembler::pt, loop); |
aoqi@0 | 3421 | __ delayed()->subcc(Roffset, wordSize, Roffset); |
aoqi@0 | 3422 | } |
aoqi@0 | 3423 | __ ba_short(initialize_header); |
aoqi@0 | 3424 | } |
aoqi@0 | 3425 | |
aoqi@0 | 3426 | // slow case |
aoqi@0 | 3427 | __ bind(slow_case); |
aoqi@0 | 3428 | __ get_2_byte_integer_at_bcp(1, G3_scratch, O2, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 3429 | __ get_constant_pool(O1); |
aoqi@0 | 3430 | |
aoqi@0 | 3431 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::_new), O1, O2); |
aoqi@0 | 3432 | |
aoqi@0 | 3433 | __ ba_short(done); |
aoqi@0 | 3434 | |
aoqi@0 | 3435 | // Initialize the header: mark, klass |
aoqi@0 | 3436 | __ bind(initialize_header); |
aoqi@0 | 3437 | |
aoqi@0 | 3438 | if (UseBiasedLocking) { |
aoqi@0 | 3439 | __ ld_ptr(RinstanceKlass, in_bytes(Klass::prototype_header_offset()), G4_scratch); |
aoqi@0 | 3440 | } else { |
aoqi@0 | 3441 | __ set((intptr_t)markOopDesc::prototype(), G4_scratch); |
aoqi@0 | 3442 | } |
aoqi@0 | 3443 | __ st_ptr(G4_scratch, RallocatedObject, oopDesc::mark_offset_in_bytes()); // mark |
aoqi@0 | 3444 | __ store_klass_gap(G0, RallocatedObject); // klass gap if compressed |
aoqi@0 | 3445 | __ store_klass(RinstanceKlass, RallocatedObject); // klass (last for cms) |
aoqi@0 | 3446 | |
aoqi@0 | 3447 | { |
aoqi@0 | 3448 | SkipIfEqual skip_if( |
aoqi@0 | 3449 | _masm, G4_scratch, &DTraceAllocProbes, Assembler::zero); |
aoqi@0 | 3450 | // Trigger dtrace event |
aoqi@0 | 3451 | __ push(atos); |
aoqi@0 | 3452 | __ call_VM_leaf(noreg, |
aoqi@0 | 3453 | CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc), O0); |
aoqi@0 | 3454 | __ pop(atos); |
aoqi@0 | 3455 | } |
aoqi@0 | 3456 | |
aoqi@0 | 3457 | // continue |
aoqi@0 | 3458 | __ bind(done); |
aoqi@0 | 3459 | } |
aoqi@0 | 3460 | |
aoqi@0 | 3461 | |
aoqi@0 | 3462 | |
aoqi@0 | 3463 | void TemplateTable::newarray() { |
aoqi@0 | 3464 | transition(itos, atos); |
aoqi@0 | 3465 | __ ldub(Lbcp, 1, O1); |
aoqi@0 | 3466 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::newarray), O1, Otos_i); |
aoqi@0 | 3467 | } |
aoqi@0 | 3468 | |
aoqi@0 | 3469 | |
aoqi@0 | 3470 | void TemplateTable::anewarray() { |
aoqi@0 | 3471 | transition(itos, atos); |
aoqi@0 | 3472 | __ get_constant_pool(O1); |
aoqi@0 | 3473 | __ get_2_byte_integer_at_bcp(1, G4_scratch, O2, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 3474 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::anewarray), O1, O2, Otos_i); |
aoqi@0 | 3475 | } |
aoqi@0 | 3476 | |
aoqi@0 | 3477 | |
aoqi@0 | 3478 | void TemplateTable::arraylength() { |
aoqi@0 | 3479 | transition(atos, itos); |
aoqi@0 | 3480 | Label ok; |
aoqi@0 | 3481 | __ verify_oop(Otos_i); |
aoqi@0 | 3482 | __ tst(Otos_i); |
aoqi@0 | 3483 | __ throw_if_not_1_x( Assembler::notZero, ok ); |
aoqi@0 | 3484 | __ delayed()->ld(Otos_i, arrayOopDesc::length_offset_in_bytes(), Otos_i); |
aoqi@0 | 3485 | __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); |
aoqi@0 | 3486 | } |
aoqi@0 | 3487 | |
aoqi@0 | 3488 | |
aoqi@0 | 3489 | void TemplateTable::checkcast() { |
aoqi@0 | 3490 | transition(atos, atos); |
aoqi@0 | 3491 | Label done, is_null, quicked, cast_ok, resolved; |
aoqi@0 | 3492 | Register Roffset = G1_scratch; |
aoqi@0 | 3493 | Register RobjKlass = O5; |
aoqi@0 | 3494 | Register RspecifiedKlass = O4; |
aoqi@0 | 3495 | |
aoqi@0 | 3496 | // Check for casting a NULL |
aoqi@0 | 3497 | __ br_null_short(Otos_i, Assembler::pn, is_null); |
aoqi@0 | 3498 | |
aoqi@0 | 3499 | // Get value klass in RobjKlass |
aoqi@0 | 3500 | __ load_klass(Otos_i, RobjKlass); // get value klass |
aoqi@0 | 3501 | |
aoqi@0 | 3502 | // Get constant pool tag |
aoqi@0 | 3503 | __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 3504 | |
aoqi@0 | 3505 | // See if the checkcast has been quickened |
aoqi@0 | 3506 | __ get_cpool_and_tags(Lscratch, G3_scratch); |
aoqi@0 | 3507 | __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
aoqi@0 | 3508 | __ ldub(G3_scratch, Roffset, G3_scratch); |
aoqi@0 | 3509 | __ cmp(G3_scratch, JVM_CONSTANT_Class); |
aoqi@0 | 3510 | __ br(Assembler::equal, true, Assembler::pt, quicked); |
aoqi@0 | 3511 | __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); |
aoqi@0 | 3512 | |
aoqi@0 | 3513 | __ push_ptr(); // save receiver for result, and for GC |
aoqi@0 | 3514 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
aoqi@0 | 3515 | __ get_vm_result_2(RspecifiedKlass); |
aoqi@0 | 3516 | __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
aoqi@0 | 3517 | |
aoqi@0 | 3518 | __ ba_short(resolved); |
aoqi@0 | 3519 | |
aoqi@0 | 3520 | // Extract target class from constant pool |
aoqi@0 | 3521 | __ bind(quicked); |
aoqi@0 | 3522 | __ add(Roffset, sizeof(ConstantPool), Roffset); |
aoqi@0 | 3523 | __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); |
aoqi@0 | 3524 | __ bind(resolved); |
aoqi@0 | 3525 | __ load_klass(Otos_i, RobjKlass); // get value klass |
aoqi@0 | 3526 | |
aoqi@0 | 3527 | // Generate a fast subtype check. Branch to cast_ok if no |
aoqi@0 | 3528 | // failure. Throw exception if failure. |
aoqi@0 | 3529 | __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, cast_ok ); |
aoqi@0 | 3530 | |
aoqi@0 | 3531 | // Not a subtype; so must throw exception |
aoqi@0 | 3532 | __ throw_if_not_x( Assembler::never, Interpreter::_throw_ClassCastException_entry, G3_scratch ); |
aoqi@0 | 3533 | |
aoqi@0 | 3534 | __ bind(cast_ok); |
aoqi@0 | 3535 | |
aoqi@0 | 3536 | if (ProfileInterpreter) { |
aoqi@0 | 3537 | __ ba_short(done); |
aoqi@0 | 3538 | } |
aoqi@0 | 3539 | __ bind(is_null); |
aoqi@0 | 3540 | __ profile_null_seen(G3_scratch); |
aoqi@0 | 3541 | __ bind(done); |
aoqi@0 | 3542 | } |
aoqi@0 | 3543 | |
aoqi@0 | 3544 | |
aoqi@0 | 3545 | void TemplateTable::instanceof() { |
aoqi@0 | 3546 | Label done, is_null, quicked, resolved; |
aoqi@0 | 3547 | transition(atos, itos); |
aoqi@0 | 3548 | Register Roffset = G1_scratch; |
aoqi@0 | 3549 | Register RobjKlass = O5; |
aoqi@0 | 3550 | Register RspecifiedKlass = O4; |
aoqi@0 | 3551 | |
aoqi@0 | 3552 | // Check for casting a NULL |
aoqi@0 | 3553 | __ br_null_short(Otos_i, Assembler::pt, is_null); |
aoqi@0 | 3554 | |
aoqi@0 | 3555 | // Get value klass in RobjKlass |
aoqi@0 | 3556 | __ load_klass(Otos_i, RobjKlass); // get value klass |
aoqi@0 | 3557 | |
aoqi@0 | 3558 | // Get constant pool tag |
aoqi@0 | 3559 | __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); |
aoqi@0 | 3560 | |
aoqi@0 | 3561 | // See if the checkcast has been quickened |
aoqi@0 | 3562 | __ get_cpool_and_tags(Lscratch, G3_scratch); |
aoqi@0 | 3563 | __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
aoqi@0 | 3564 | __ ldub(G3_scratch, Roffset, G3_scratch); |
aoqi@0 | 3565 | __ cmp(G3_scratch, JVM_CONSTANT_Class); |
aoqi@0 | 3566 | __ br(Assembler::equal, true, Assembler::pt, quicked); |
aoqi@0 | 3567 | __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); |
aoqi@0 | 3568 | |
aoqi@0 | 3569 | __ push_ptr(); // save receiver for result, and for GC |
aoqi@0 | 3570 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
aoqi@0 | 3571 | __ get_vm_result_2(RspecifiedKlass); |
aoqi@0 | 3572 | __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
aoqi@0 | 3573 | |
aoqi@0 | 3574 | __ ba_short(resolved); |
aoqi@0 | 3575 | |
aoqi@0 | 3576 | // Extract target class from constant pool |
aoqi@0 | 3577 | __ bind(quicked); |
aoqi@0 | 3578 | __ add(Roffset, sizeof(ConstantPool), Roffset); |
aoqi@0 | 3579 | __ get_constant_pool(Lscratch); |
aoqi@0 | 3580 | __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); |
aoqi@0 | 3581 | __ bind(resolved); |
aoqi@0 | 3582 | __ load_klass(Otos_i, RobjKlass); // get value klass |
aoqi@0 | 3583 | |
aoqi@0 | 3584 | // Generate a fast subtype check. Branch to cast_ok if no |
aoqi@0 | 3585 | // failure. Return 0 if failure. |
aoqi@0 | 3586 | __ or3(G0, 1, Otos_i); // set result assuming quick tests succeed |
aoqi@0 | 3587 | __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, done ); |
aoqi@0 | 3588 | // Not a subtype; return 0; |
aoqi@0 | 3589 | __ clr( Otos_i ); |
aoqi@0 | 3590 | |
aoqi@0 | 3591 | if (ProfileInterpreter) { |
aoqi@0 | 3592 | __ ba_short(done); |
aoqi@0 | 3593 | } |
aoqi@0 | 3594 | __ bind(is_null); |
aoqi@0 | 3595 | __ profile_null_seen(G3_scratch); |
aoqi@0 | 3596 | __ bind(done); |
aoqi@0 | 3597 | } |
aoqi@0 | 3598 | |
aoqi@0 | 3599 | void TemplateTable::_breakpoint() { |
aoqi@0 | 3600 | |
aoqi@0 | 3601 | // Note: We get here even if we are single stepping.. |
aoqi@0 | 3602 | // jbug inists on setting breakpoints at every bytecode |
aoqi@0 | 3603 | // even if we are in single step mode. |
aoqi@0 | 3604 | |
aoqi@0 | 3605 | transition(vtos, vtos); |
aoqi@0 | 3606 | // get the unpatched byte code |
aoqi@0 | 3607 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::get_original_bytecode_at), Lmethod, Lbcp); |
aoqi@0 | 3608 | __ mov(O0, Lbyte_code); |
aoqi@0 | 3609 | |
aoqi@0 | 3610 | // post the breakpoint event |
aoqi@0 | 3611 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::_breakpoint), Lmethod, Lbcp); |
aoqi@0 | 3612 | |
aoqi@0 | 3613 | // complete the execution of original bytecode |
aoqi@0 | 3614 | __ dispatch_normal(vtos); |
aoqi@0 | 3615 | } |
aoqi@0 | 3616 | |
aoqi@0 | 3617 | |
aoqi@0 | 3618 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 3619 | // Exceptions |
aoqi@0 | 3620 | |
aoqi@0 | 3621 | void TemplateTable::athrow() { |
aoqi@0 | 3622 | transition(atos, vtos); |
aoqi@0 | 3623 | |
aoqi@0 | 3624 | // This works because exception is cached in Otos_i which is same as O0, |
aoqi@0 | 3625 | // which is same as what throw_exception_entry_expects |
aoqi@0 | 3626 | assert(Otos_i == Oexception, "see explanation above"); |
aoqi@0 | 3627 | |
aoqi@0 | 3628 | __ verify_oop(Otos_i); |
aoqi@0 | 3629 | __ null_check(Otos_i); |
aoqi@0 | 3630 | __ throw_if_not_x(Assembler::never, Interpreter::throw_exception_entry(), G3_scratch); |
aoqi@0 | 3631 | } |
aoqi@0 | 3632 | |
aoqi@0 | 3633 | |
aoqi@0 | 3634 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 3635 | // Synchronization |
aoqi@0 | 3636 | |
aoqi@0 | 3637 | |
aoqi@0 | 3638 | // See frame_sparc.hpp for monitor block layout. |
aoqi@0 | 3639 | // Monitor elements are dynamically allocated by growing stack as needed. |
aoqi@0 | 3640 | |
aoqi@0 | 3641 | void TemplateTable::monitorenter() { |
aoqi@0 | 3642 | transition(atos, vtos); |
aoqi@0 | 3643 | __ verify_oop(Otos_i); |
aoqi@0 | 3644 | // Try to acquire a lock on the object |
aoqi@0 | 3645 | // Repeat until succeeded (i.e., until |
aoqi@0 | 3646 | // monitorenter returns true). |
aoqi@0 | 3647 | |
aoqi@0 | 3648 | { Label ok; |
aoqi@0 | 3649 | __ tst(Otos_i); |
aoqi@0 | 3650 | __ throw_if_not_1_x( Assembler::notZero, ok); |
aoqi@0 | 3651 | __ delayed()->mov(Otos_i, Lscratch); // save obj |
aoqi@0 | 3652 | __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); |
aoqi@0 | 3653 | } |
aoqi@0 | 3654 | |
aoqi@0 | 3655 | assert(O0 == Otos_i, "Be sure where the object to lock is"); |
aoqi@0 | 3656 | |
aoqi@0 | 3657 | // find a free slot in the monitor block |
aoqi@0 | 3658 | |
aoqi@0 | 3659 | |
aoqi@0 | 3660 | // initialize entry pointer |
aoqi@0 | 3661 | __ clr(O1); // points to free slot or NULL |
aoqi@0 | 3662 | |
aoqi@0 | 3663 | { |
aoqi@0 | 3664 | Label entry, loop, exit; |
aoqi@0 | 3665 | __ add( __ top_most_monitor(), O2 ); // last one to check |
aoqi@0 | 3666 | __ ba( entry ); |
aoqi@0 | 3667 | __ delayed()->mov( Lmonitors, O3 ); // first one to check |
aoqi@0 | 3668 | |
aoqi@0 | 3669 | |
aoqi@0 | 3670 | __ bind( loop ); |
aoqi@0 | 3671 | |
aoqi@0 | 3672 | __ verify_oop(O4); // verify each monitor's oop |
aoqi@0 | 3673 | __ tst(O4); // is this entry unused? |
aoqi@0 | 3674 | __ movcc( Assembler::zero, false, Assembler::ptr_cc, O3, O1); |
aoqi@0 | 3675 | |
aoqi@0 | 3676 | __ cmp(O4, O0); // check if current entry is for same object |
aoqi@0 | 3677 | __ brx( Assembler::equal, false, Assembler::pn, exit ); |
aoqi@0 | 3678 | __ delayed()->inc( O3, frame::interpreter_frame_monitor_size() * wordSize ); // check next one |
aoqi@0 | 3679 | |
aoqi@0 | 3680 | __ bind( entry ); |
aoqi@0 | 3681 | |
aoqi@0 | 3682 | __ cmp( O3, O2 ); |
aoqi@0 | 3683 | __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); |
aoqi@0 | 3684 | __ delayed()->ld_ptr(O3, BasicObjectLock::obj_offset_in_bytes(), O4); |
aoqi@0 | 3685 | |
aoqi@0 | 3686 | __ bind( exit ); |
aoqi@0 | 3687 | } |
aoqi@0 | 3688 | |
aoqi@0 | 3689 | { Label allocated; |
aoqi@0 | 3690 | |
aoqi@0 | 3691 | // found free slot? |
aoqi@0 | 3692 | __ br_notnull_short(O1, Assembler::pn, allocated); |
aoqi@0 | 3693 | |
aoqi@0 | 3694 | __ add_monitor_to_stack( false, O2, O3 ); |
aoqi@0 | 3695 | __ mov(Lmonitors, O1); |
aoqi@0 | 3696 | |
aoqi@0 | 3697 | __ bind(allocated); |
aoqi@0 | 3698 | } |
aoqi@0 | 3699 | |
aoqi@0 | 3700 | // Increment bcp to point to the next bytecode, so exception handling for async. exceptions work correctly. |
aoqi@0 | 3701 | // The object has already been poped from the stack, so the expression stack looks correct. |
aoqi@0 | 3702 | __ inc(Lbcp); |
aoqi@0 | 3703 | |
aoqi@0 | 3704 | __ st_ptr(O0, O1, BasicObjectLock::obj_offset_in_bytes()); // store object |
aoqi@0 | 3705 | __ lock_object(O1, O0); |
aoqi@0 | 3706 | |
aoqi@0 | 3707 | // check if there's enough space on the stack for the monitors after locking |
aoqi@0 | 3708 | __ generate_stack_overflow_check(0); |
aoqi@0 | 3709 | |
aoqi@0 | 3710 | // The bcp has already been incremented. Just need to dispatch to next instruction. |
aoqi@0 | 3711 | __ dispatch_next(vtos); |
aoqi@0 | 3712 | } |
aoqi@0 | 3713 | |
aoqi@0 | 3714 | |
aoqi@0 | 3715 | void TemplateTable::monitorexit() { |
aoqi@0 | 3716 | transition(atos, vtos); |
aoqi@0 | 3717 | __ verify_oop(Otos_i); |
aoqi@0 | 3718 | __ tst(Otos_i); |
aoqi@0 | 3719 | __ throw_if_not_x( Assembler::notZero, Interpreter::_throw_NullPointerException_entry, G3_scratch ); |
aoqi@0 | 3720 | |
aoqi@0 | 3721 | assert(O0 == Otos_i, "just checking"); |
aoqi@0 | 3722 | |
aoqi@0 | 3723 | { Label entry, loop, found; |
aoqi@0 | 3724 | __ add( __ top_most_monitor(), O2 ); // last one to check |
aoqi@0 | 3725 | __ ba(entry); |
aoqi@0 | 3726 | // use Lscratch to hold monitor elem to check, start with most recent monitor, |
aoqi@0 | 3727 | // By using a local it survives the call to the C routine. |
aoqi@0 | 3728 | __ delayed()->mov( Lmonitors, Lscratch ); |
aoqi@0 | 3729 | |
aoqi@0 | 3730 | __ bind( loop ); |
aoqi@0 | 3731 | |
aoqi@0 | 3732 | __ verify_oop(O4); // verify each monitor's oop |
aoqi@0 | 3733 | __ cmp(O4, O0); // check if current entry is for desired object |
aoqi@0 | 3734 | __ brx( Assembler::equal, true, Assembler::pt, found ); |
aoqi@0 | 3735 | __ delayed()->mov(Lscratch, O1); // pass found entry as argument to monitorexit |
aoqi@0 | 3736 | |
aoqi@0 | 3737 | __ inc( Lscratch, frame::interpreter_frame_monitor_size() * wordSize ); // advance to next |
aoqi@0 | 3738 | |
aoqi@0 | 3739 | __ bind( entry ); |
aoqi@0 | 3740 | |
aoqi@0 | 3741 | __ cmp( Lscratch, O2 ); |
aoqi@0 | 3742 | __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); |
aoqi@0 | 3743 | __ delayed()->ld_ptr(Lscratch, BasicObjectLock::obj_offset_in_bytes(), O4); |
aoqi@0 | 3744 | |
aoqi@0 | 3745 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception)); |
aoqi@0 | 3746 | __ should_not_reach_here(); |
aoqi@0 | 3747 | |
aoqi@0 | 3748 | __ bind(found); |
aoqi@0 | 3749 | } |
aoqi@0 | 3750 | __ unlock_object(O1); |
aoqi@0 | 3751 | } |
aoqi@0 | 3752 | |
aoqi@0 | 3753 | |
aoqi@0 | 3754 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 3755 | // Wide instructions |
aoqi@0 | 3756 | |
aoqi@0 | 3757 | void TemplateTable::wide() { |
aoqi@0 | 3758 | transition(vtos, vtos); |
aoqi@0 | 3759 | __ ldub(Lbcp, 1, G3_scratch);// get next bc |
aoqi@0 | 3760 | __ sll(G3_scratch, LogBytesPerWord, G3_scratch); |
aoqi@0 | 3761 | AddressLiteral ep(Interpreter::_wentry_point); |
aoqi@0 | 3762 | __ set(ep, G4_scratch); |
aoqi@0 | 3763 | __ ld_ptr(G4_scratch, G3_scratch, G3_scratch); |
aoqi@0 | 3764 | __ jmp(G3_scratch, G0); |
aoqi@0 | 3765 | __ delayed()->nop(); |
aoqi@0 | 3766 | // Note: the Lbcp increment step is part of the individual wide bytecode implementations |
aoqi@0 | 3767 | } |
aoqi@0 | 3768 | |
aoqi@0 | 3769 | |
aoqi@0 | 3770 | //---------------------------------------------------------------------------------------------------- |
aoqi@0 | 3771 | // Multi arrays |
aoqi@0 | 3772 | |
aoqi@0 | 3773 | void TemplateTable::multianewarray() { |
aoqi@0 | 3774 | transition(vtos, atos); |
aoqi@0 | 3775 | // put ndims * wordSize into Lscratch |
aoqi@0 | 3776 | __ ldub( Lbcp, 3, Lscratch); |
aoqi@0 | 3777 | __ sll( Lscratch, Interpreter::logStackElementSize, Lscratch); |
aoqi@0 | 3778 | // Lesp points past last_dim, so set to O1 to first_dim address |
aoqi@0 | 3779 | __ add( Lesp, Lscratch, O1); |
aoqi@0 | 3780 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::multianewarray), O1); |
aoqi@0 | 3781 | __ add( Lesp, Lscratch, Lesp); // pop all dimensions off the stack |
aoqi@0 | 3782 | } |
aoqi@0 | 3783 | #endif /* !CC_INTERP */ |