Mon, 12 Mar 2012 15:28:07 -0700
7152957: VM crashes with assert(false) failed: bad AD file
Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com
duke@435 | 1 | /* |
phh@2423 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "interpreter/interpreter.hpp" |
stefank@2314 | 27 | #include "interpreter/interpreterRuntime.hpp" |
stefank@2314 | 28 | #include "interpreter/templateTable.hpp" |
stefank@2314 | 29 | #include "memory/universe.inline.hpp" |
stefank@2314 | 30 | #include "oops/methodDataOop.hpp" |
stefank@2314 | 31 | #include "oops/objArrayKlass.hpp" |
stefank@2314 | 32 | #include "oops/oop.inline.hpp" |
stefank@2314 | 33 | #include "prims/methodHandles.hpp" |
stefank@2314 | 34 | #include "runtime/sharedRuntime.hpp" |
stefank@2314 | 35 | #include "runtime/stubRoutines.hpp" |
stefank@2314 | 36 | #include "runtime/synchronizer.hpp" |
duke@435 | 37 | |
duke@435 | 38 | #ifndef CC_INTERP |
duke@435 | 39 | #define __ _masm-> |
duke@435 | 40 | |
ysr@777 | 41 | // Misc helpers |
ysr@777 | 42 | |
ysr@777 | 43 | // Do an oop store like *(base + index + offset) = val |
ysr@777 | 44 | // index can be noreg, |
ysr@777 | 45 | static void do_oop_store(InterpreterMacroAssembler* _masm, |
ysr@777 | 46 | Register base, |
ysr@777 | 47 | Register index, |
ysr@777 | 48 | int offset, |
ysr@777 | 49 | Register val, |
ysr@777 | 50 | Register tmp, |
ysr@777 | 51 | BarrierSet::Name barrier, |
ysr@777 | 52 | bool precise) { |
ysr@777 | 53 | assert(tmp != val && tmp != base && tmp != index, "register collision"); |
ysr@777 | 54 | assert(index == noreg || offset == 0, "only one offset"); |
ysr@777 | 55 | switch (barrier) { |
ysr@777 | 56 | #ifndef SERIALGC |
ysr@777 | 57 | case BarrierSet::G1SATBCT: |
ysr@777 | 58 | case BarrierSet::G1SATBCTLogging: |
ysr@777 | 59 | { |
johnc@2781 | 60 | // Load and record the previous value. |
johnc@2781 | 61 | __ g1_write_barrier_pre(base, index, offset, |
johnc@2781 | 62 | noreg /* pre_val */, |
johnc@2781 | 63 | tmp, true /*preserve_o_regs*/); |
johnc@2781 | 64 | |
ysr@777 | 65 | if (index == noreg ) { |
ysr@777 | 66 | assert(Assembler::is_simm13(offset), "fix this code"); |
ysr@777 | 67 | __ store_heap_oop(val, base, offset); |
ysr@777 | 68 | } else { |
ysr@777 | 69 | __ store_heap_oop(val, base, index); |
ysr@777 | 70 | } |
ysr@777 | 71 | |
ysr@777 | 72 | // No need for post barrier if storing NULL |
ysr@777 | 73 | if (val != G0) { |
ysr@777 | 74 | if (precise) { |
ysr@777 | 75 | if (index == noreg) { |
ysr@777 | 76 | __ add(base, offset, base); |
ysr@777 | 77 | } else { |
ysr@777 | 78 | __ add(base, index, base); |
ysr@777 | 79 | } |
ysr@777 | 80 | } |
ysr@777 | 81 | __ g1_write_barrier_post(base, val, tmp); |
ysr@777 | 82 | } |
ysr@777 | 83 | } |
ysr@777 | 84 | break; |
ysr@777 | 85 | #endif // SERIALGC |
ysr@777 | 86 | case BarrierSet::CardTableModRef: |
ysr@777 | 87 | case BarrierSet::CardTableExtension: |
ysr@777 | 88 | { |
ysr@777 | 89 | if (index == noreg ) { |
ysr@777 | 90 | assert(Assembler::is_simm13(offset), "fix this code"); |
ysr@777 | 91 | __ store_heap_oop(val, base, offset); |
ysr@777 | 92 | } else { |
ysr@777 | 93 | __ store_heap_oop(val, base, index); |
ysr@777 | 94 | } |
ysr@777 | 95 | // No need for post barrier if storing NULL |
ysr@777 | 96 | if (val != G0) { |
ysr@777 | 97 | if (precise) { |
ysr@777 | 98 | if (index == noreg) { |
ysr@777 | 99 | __ add(base, offset, base); |
ysr@777 | 100 | } else { |
ysr@777 | 101 | __ add(base, index, base); |
ysr@777 | 102 | } |
ysr@777 | 103 | } |
ysr@777 | 104 | __ card_write_barrier_post(base, val, tmp); |
ysr@777 | 105 | } |
ysr@777 | 106 | } |
ysr@777 | 107 | break; |
ysr@777 | 108 | case BarrierSet::ModRef: |
ysr@777 | 109 | case BarrierSet::Other: |
ysr@777 | 110 | ShouldNotReachHere(); |
ysr@777 | 111 | break; |
ysr@777 | 112 | default : |
ysr@777 | 113 | ShouldNotReachHere(); |
ysr@777 | 114 | |
ysr@777 | 115 | } |
ysr@777 | 116 | } |
ysr@777 | 117 | |
duke@435 | 118 | |
duke@435 | 119 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 120 | // Platform-dependent initialization |
duke@435 | 121 | |
duke@435 | 122 | void TemplateTable::pd_initialize() { |
duke@435 | 123 | // (none) |
duke@435 | 124 | } |
duke@435 | 125 | |
duke@435 | 126 | |
duke@435 | 127 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 128 | // Condition conversion |
duke@435 | 129 | Assembler::Condition ccNot(TemplateTable::Condition cc) { |
duke@435 | 130 | switch (cc) { |
duke@435 | 131 | case TemplateTable::equal : return Assembler::notEqual; |
duke@435 | 132 | case TemplateTable::not_equal : return Assembler::equal; |
duke@435 | 133 | case TemplateTable::less : return Assembler::greaterEqual; |
duke@435 | 134 | case TemplateTable::less_equal : return Assembler::greater; |
duke@435 | 135 | case TemplateTable::greater : return Assembler::lessEqual; |
duke@435 | 136 | case TemplateTable::greater_equal: return Assembler::less; |
duke@435 | 137 | } |
duke@435 | 138 | ShouldNotReachHere(); |
duke@435 | 139 | return Assembler::zero; |
duke@435 | 140 | } |
duke@435 | 141 | |
duke@435 | 142 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 143 | // Miscelaneous helper routines |
duke@435 | 144 | |
duke@435 | 145 | |
duke@435 | 146 | Address TemplateTable::at_bcp(int offset) { |
duke@435 | 147 | assert(_desc->uses_bcp(), "inconsistent uses_bcp information"); |
twisti@1162 | 148 | return Address(Lbcp, offset); |
duke@435 | 149 | } |
duke@435 | 150 | |
duke@435 | 151 | |
twisti@3050 | 152 | void TemplateTable::patch_bytecode(Bytecodes::Code bc, Register bc_reg, |
twisti@3050 | 153 | Register temp_reg, bool load_bc_into_bc_reg/*=true*/, |
twisti@3050 | 154 | int byte_no) { |
duke@435 | 155 | // With sharing on, may need to test methodOop flag. |
twisti@3050 | 156 | if (!RewriteBytecodes) return; |
twisti@3050 | 157 | Label L_patch_done; |
twisti@3050 | 158 | |
twisti@3050 | 159 | switch (bc) { |
twisti@3050 | 160 | case Bytecodes::_fast_aputfield: |
twisti@3050 | 161 | case Bytecodes::_fast_bputfield: |
twisti@3050 | 162 | case Bytecodes::_fast_cputfield: |
twisti@3050 | 163 | case Bytecodes::_fast_dputfield: |
twisti@3050 | 164 | case Bytecodes::_fast_fputfield: |
twisti@3050 | 165 | case Bytecodes::_fast_iputfield: |
twisti@3050 | 166 | case Bytecodes::_fast_lputfield: |
twisti@3050 | 167 | case Bytecodes::_fast_sputfield: |
twisti@3050 | 168 | { |
twisti@3050 | 169 | // We skip bytecode quickening for putfield instructions when |
twisti@3050 | 170 | // the put_code written to the constant pool cache is zero. |
twisti@3050 | 171 | // This is required so that every execution of this instruction |
twisti@3050 | 172 | // calls out to InterpreterRuntime::resolve_get_put to do |
twisti@3050 | 173 | // additional, required work. |
twisti@3050 | 174 | assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
twisti@3050 | 175 | assert(load_bc_into_bc_reg, "we use bc_reg as temp"); |
twisti@3050 | 176 | __ get_cache_and_index_and_bytecode_at_bcp(bc_reg, temp_reg, temp_reg, byte_no, 1); |
twisti@3050 | 177 | __ set(bc, bc_reg); |
twisti@3050 | 178 | __ cmp_and_br_short(temp_reg, 0, Assembler::equal, Assembler::pn, L_patch_done); // don't patch |
twisti@3050 | 179 | } |
twisti@3050 | 180 | break; |
twisti@3050 | 181 | default: |
twisti@3050 | 182 | assert(byte_no == -1, "sanity"); |
twisti@3050 | 183 | if (load_bc_into_bc_reg) { |
twisti@3050 | 184 | __ set(bc, bc_reg); |
twisti@3050 | 185 | } |
twisti@3050 | 186 | } |
twisti@3050 | 187 | |
duke@435 | 188 | if (JvmtiExport::can_post_breakpoint()) { |
twisti@3050 | 189 | Label L_fast_patch; |
twisti@3050 | 190 | __ ldub(at_bcp(0), temp_reg); |
twisti@3050 | 191 | __ cmp_and_br_short(temp_reg, Bytecodes::_breakpoint, Assembler::notEqual, Assembler::pt, L_fast_patch); |
duke@435 | 192 | // perform the quickening, slowly, in the bowels of the breakpoint table |
twisti@3050 | 193 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::set_original_bytecode_at), Lmethod, Lbcp, bc_reg); |
twisti@3050 | 194 | __ ba_short(L_patch_done); |
twisti@3050 | 195 | __ bind(L_fast_patch); |
duke@435 | 196 | } |
twisti@3050 | 197 | |
duke@435 | 198 | #ifdef ASSERT |
duke@435 | 199 | Bytecodes::Code orig_bytecode = Bytecodes::java_code(bc); |
twisti@3050 | 200 | Label L_okay; |
twisti@3050 | 201 | __ ldub(at_bcp(0), temp_reg); |
twisti@3050 | 202 | __ cmp(temp_reg, orig_bytecode); |
twisti@3050 | 203 | __ br(Assembler::equal, false, Assembler::pt, L_okay); |
twisti@3050 | 204 | __ delayed()->cmp(temp_reg, bc_reg); |
twisti@3050 | 205 | __ br(Assembler::equal, false, Assembler::pt, L_okay); |
duke@435 | 206 | __ delayed()->nop(); |
twisti@3050 | 207 | __ stop("patching the wrong bytecode"); |
twisti@3050 | 208 | __ bind(L_okay); |
duke@435 | 209 | #endif |
twisti@3050 | 210 | |
twisti@3050 | 211 | // patch bytecode |
twisti@3050 | 212 | __ stb(bc_reg, at_bcp(0)); |
twisti@3050 | 213 | __ bind(L_patch_done); |
duke@435 | 214 | } |
duke@435 | 215 | |
duke@435 | 216 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 217 | // Individual instructions |
duke@435 | 218 | |
duke@435 | 219 | void TemplateTable::nop() { |
duke@435 | 220 | transition(vtos, vtos); |
duke@435 | 221 | // nothing to do |
duke@435 | 222 | } |
duke@435 | 223 | |
duke@435 | 224 | void TemplateTable::shouldnotreachhere() { |
duke@435 | 225 | transition(vtos, vtos); |
duke@435 | 226 | __ stop("shouldnotreachhere bytecode"); |
duke@435 | 227 | } |
duke@435 | 228 | |
duke@435 | 229 | void TemplateTable::aconst_null() { |
duke@435 | 230 | transition(vtos, atos); |
duke@435 | 231 | __ clr(Otos_i); |
duke@435 | 232 | } |
duke@435 | 233 | |
duke@435 | 234 | |
duke@435 | 235 | void TemplateTable::iconst(int value) { |
duke@435 | 236 | transition(vtos, itos); |
duke@435 | 237 | __ set(value, Otos_i); |
duke@435 | 238 | } |
duke@435 | 239 | |
duke@435 | 240 | |
duke@435 | 241 | void TemplateTable::lconst(int value) { |
duke@435 | 242 | transition(vtos, ltos); |
duke@435 | 243 | assert(value >= 0, "check this code"); |
duke@435 | 244 | #ifdef _LP64 |
duke@435 | 245 | __ set(value, Otos_l); |
duke@435 | 246 | #else |
duke@435 | 247 | __ set(value, Otos_l2); |
duke@435 | 248 | __ clr( Otos_l1); |
duke@435 | 249 | #endif |
duke@435 | 250 | } |
duke@435 | 251 | |
duke@435 | 252 | |
duke@435 | 253 | void TemplateTable::fconst(int value) { |
duke@435 | 254 | transition(vtos, ftos); |
duke@435 | 255 | static float zero = 0.0, one = 1.0, two = 2.0; |
duke@435 | 256 | float* p; |
duke@435 | 257 | switch( value ) { |
duke@435 | 258 | default: ShouldNotReachHere(); |
duke@435 | 259 | case 0: p = &zero; break; |
duke@435 | 260 | case 1: p = &one; break; |
duke@435 | 261 | case 2: p = &two; break; |
duke@435 | 262 | } |
twisti@1162 | 263 | AddressLiteral a(p); |
twisti@1162 | 264 | __ sethi(a, G3_scratch); |
twisti@1162 | 265 | __ ldf(FloatRegisterImpl::S, G3_scratch, a.low10(), Ftos_f); |
duke@435 | 266 | } |
duke@435 | 267 | |
duke@435 | 268 | |
duke@435 | 269 | void TemplateTable::dconst(int value) { |
duke@435 | 270 | transition(vtos, dtos); |
duke@435 | 271 | static double zero = 0.0, one = 1.0; |
duke@435 | 272 | double* p; |
duke@435 | 273 | switch( value ) { |
duke@435 | 274 | default: ShouldNotReachHere(); |
duke@435 | 275 | case 0: p = &zero; break; |
duke@435 | 276 | case 1: p = &one; break; |
duke@435 | 277 | } |
twisti@1162 | 278 | AddressLiteral a(p); |
twisti@1162 | 279 | __ sethi(a, G3_scratch); |
twisti@1162 | 280 | __ ldf(FloatRegisterImpl::D, G3_scratch, a.low10(), Ftos_d); |
duke@435 | 281 | } |
duke@435 | 282 | |
duke@435 | 283 | |
duke@435 | 284 | // %%%%% Should factore most snippet templates across platforms |
duke@435 | 285 | |
duke@435 | 286 | void TemplateTable::bipush() { |
duke@435 | 287 | transition(vtos, itos); |
duke@435 | 288 | __ ldsb( at_bcp(1), Otos_i ); |
duke@435 | 289 | } |
duke@435 | 290 | |
duke@435 | 291 | void TemplateTable::sipush() { |
duke@435 | 292 | transition(vtos, itos); |
duke@435 | 293 | __ get_2_byte_integer_at_bcp(1, G3_scratch, Otos_i, InterpreterMacroAssembler::Signed); |
duke@435 | 294 | } |
duke@435 | 295 | |
duke@435 | 296 | void TemplateTable::ldc(bool wide) { |
duke@435 | 297 | transition(vtos, vtos); |
jrose@2982 | 298 | Label call_ldc, notInt, isString, notString, notClass, exit; |
duke@435 | 299 | |
duke@435 | 300 | if (wide) { |
duke@435 | 301 | __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); |
duke@435 | 302 | } else { |
duke@435 | 303 | __ ldub(Lbcp, 1, O1); |
duke@435 | 304 | } |
duke@435 | 305 | __ get_cpool_and_tags(O0, O2); |
duke@435 | 306 | |
duke@435 | 307 | const int base_offset = constantPoolOopDesc::header_size() * wordSize; |
duke@435 | 308 | const int tags_offset = typeArrayOopDesc::header_size(T_BYTE) * wordSize; |
duke@435 | 309 | |
duke@435 | 310 | // get type from tags |
duke@435 | 311 | __ add(O2, tags_offset, O2); |
duke@435 | 312 | __ ldub(O2, O1, O2); |
kvn@3037 | 313 | // unresolved string? If so, must resolve |
kvn@3037 | 314 | __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedString, Assembler::equal, Assembler::pt, call_ldc); |
kvn@3037 | 315 | |
kvn@3037 | 316 | // unresolved class? If so, must resolve |
kvn@3037 | 317 | __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClass, Assembler::equal, Assembler::pt, call_ldc); |
kvn@3037 | 318 | |
kvn@3037 | 319 | // unresolved class in error state |
kvn@3037 | 320 | __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClassInError, Assembler::equal, Assembler::pn, call_ldc); |
duke@435 | 321 | |
duke@435 | 322 | __ cmp(O2, JVM_CONSTANT_Class); // need to call vm to get java mirror of the class |
duke@435 | 323 | __ brx(Assembler::notEqual, true, Assembler::pt, notClass); |
duke@435 | 324 | __ delayed()->add(O0, base_offset, O0); |
duke@435 | 325 | |
duke@435 | 326 | __ bind(call_ldc); |
duke@435 | 327 | __ set(wide, O1); |
duke@435 | 328 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::ldc), O1); |
duke@435 | 329 | __ push(atos); |
kvn@3037 | 330 | __ ba_short(exit); |
duke@435 | 331 | |
duke@435 | 332 | __ bind(notClass); |
duke@435 | 333 | // __ add(O0, base_offset, O0); |
duke@435 | 334 | __ sll(O1, LogBytesPerWord, O1); |
duke@435 | 335 | __ cmp(O2, JVM_CONSTANT_Integer); |
duke@435 | 336 | __ brx(Assembler::notEqual, true, Assembler::pt, notInt); |
duke@435 | 337 | __ delayed()->cmp(O2, JVM_CONSTANT_String); |
duke@435 | 338 | __ ld(O0, O1, Otos_i); |
duke@435 | 339 | __ push(itos); |
kvn@3037 | 340 | __ ba_short(exit); |
duke@435 | 341 | |
duke@435 | 342 | __ bind(notInt); |
duke@435 | 343 | // __ cmp(O2, JVM_CONSTANT_String); |
jrose@2982 | 344 | __ brx(Assembler::equal, true, Assembler::pt, isString); |
jrose@2982 | 345 | __ delayed()->cmp(O2, JVM_CONSTANT_Object); |
duke@435 | 346 | __ brx(Assembler::notEqual, true, Assembler::pt, notString); |
duke@435 | 347 | __ delayed()->ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); |
jrose@2982 | 348 | __ bind(isString); |
duke@435 | 349 | __ ld_ptr(O0, O1, Otos_i); |
duke@435 | 350 | __ verify_oop(Otos_i); |
duke@435 | 351 | __ push(atos); |
kvn@3037 | 352 | __ ba_short(exit); |
duke@435 | 353 | |
duke@435 | 354 | __ bind(notString); |
duke@435 | 355 | // __ ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); |
duke@435 | 356 | __ push(ftos); |
duke@435 | 357 | |
duke@435 | 358 | __ bind(exit); |
duke@435 | 359 | } |
duke@435 | 360 | |
jrose@1957 | 361 | // Fast path for caching oop constants. |
jrose@1957 | 362 | // %%% We should use this to handle Class and String constants also. |
jrose@1957 | 363 | // %%% It will simplify the ldc/primitive path considerably. |
jrose@1957 | 364 | void TemplateTable::fast_aldc(bool wide) { |
jrose@1957 | 365 | transition(vtos, atos); |
jrose@1957 | 366 | |
twisti@2698 | 367 | if (!EnableInvokeDynamic) { |
twisti@2698 | 368 | // We should not encounter this bytecode if !EnableInvokeDynamic. |
jrose@1957 | 369 | // The verifier will stop it. However, if we get past the verifier, |
jrose@1957 | 370 | // this will stop the thread in a reasonable way, without crashing the JVM. |
jrose@1957 | 371 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
jrose@1957 | 372 | InterpreterRuntime::throw_IncompatibleClassChangeError)); |
jrose@1957 | 373 | // the call_VM checks for exception, so we should never return here. |
jrose@1957 | 374 | __ should_not_reach_here(); |
jrose@1957 | 375 | return; |
jrose@1957 | 376 | } |
jrose@1957 | 377 | |
jrose@1957 | 378 | Register Rcache = G3_scratch; |
jrose@1957 | 379 | Register Rscratch = G4_scratch; |
jrose@1957 | 380 | |
jrose@1957 | 381 | resolve_cache_and_index(f1_oop, Otos_i, Rcache, Rscratch, wide ? sizeof(u2) : sizeof(u1)); |
jrose@1957 | 382 | |
jrose@1957 | 383 | __ verify_oop(Otos_i); |
jrose@2268 | 384 | |
jrose@2268 | 385 | Label L_done; |
jrose@2268 | 386 | const Register Rcon_klass = G3_scratch; // same as Rcache |
jrose@2268 | 387 | const Register Rarray_klass = G4_scratch; // same as Rscratch |
jrose@2268 | 388 | __ load_klass(Otos_i, Rcon_klass); |
jrose@2268 | 389 | AddressLiteral array_klass_addr((address)Universe::systemObjArrayKlassObj_addr()); |
jrose@2268 | 390 | __ load_contents(array_klass_addr, Rarray_klass); |
kvn@3037 | 391 | __ cmp_and_brx_short(Rarray_klass, Rcon_klass, Assembler::notEqual, Assembler::pt, L_done); |
jrose@2268 | 392 | __ ld(Address(Otos_i, arrayOopDesc::length_offset_in_bytes()), Rcon_klass); |
jrose@2268 | 393 | __ tst(Rcon_klass); |
jrose@2268 | 394 | __ brx(Assembler::zero, true, Assembler::pt, L_done); |
jrose@2268 | 395 | __ delayed()->clr(Otos_i); // executed only if branch is taken |
jrose@2268 | 396 | |
jrose@2268 | 397 | // Load the exception from the system-array which wraps it: |
jrose@2268 | 398 | __ load_heap_oop(Otos_i, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i); |
jrose@2268 | 399 | __ throw_if_not_x(Assembler::never, Interpreter::throw_exception_entry(), G3_scratch); |
jrose@2268 | 400 | |
jrose@2268 | 401 | __ bind(L_done); |
jrose@1957 | 402 | } |
jrose@1957 | 403 | |
duke@435 | 404 | void TemplateTable::ldc2_w() { |
duke@435 | 405 | transition(vtos, vtos); |
duke@435 | 406 | Label retry, resolved, Long, exit; |
duke@435 | 407 | |
duke@435 | 408 | __ bind(retry); |
duke@435 | 409 | __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); |
duke@435 | 410 | __ get_cpool_and_tags(O0, O2); |
duke@435 | 411 | |
duke@435 | 412 | const int base_offset = constantPoolOopDesc::header_size() * wordSize; |
duke@435 | 413 | const int tags_offset = typeArrayOopDesc::header_size(T_BYTE) * wordSize; |
duke@435 | 414 | // get type from tags |
duke@435 | 415 | __ add(O2, tags_offset, O2); |
duke@435 | 416 | __ ldub(O2, O1, O2); |
duke@435 | 417 | |
duke@435 | 418 | __ sll(O1, LogBytesPerWord, O1); |
duke@435 | 419 | __ add(O0, O1, G3_scratch); |
duke@435 | 420 | |
kvn@3037 | 421 | __ cmp_and_brx_short(O2, JVM_CONSTANT_Double, Assembler::notEqual, Assembler::pt, Long); |
duke@435 | 422 | // A double can be placed at word-aligned locations in the constant pool. |
duke@435 | 423 | // Check out Conversions.java for an example. |
duke@435 | 424 | // Also constantPoolOopDesc::header_size() is 20, which makes it very difficult |
duke@435 | 425 | // to double-align double on the constant pool. SG, 11/7/97 |
duke@435 | 426 | #ifdef _LP64 |
duke@435 | 427 | __ ldf(FloatRegisterImpl::D, G3_scratch, base_offset, Ftos_d); |
duke@435 | 428 | #else |
duke@435 | 429 | FloatRegister f = Ftos_d; |
duke@435 | 430 | __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset, f); |
duke@435 | 431 | __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset + sizeof(jdouble)/2, |
duke@435 | 432 | f->successor()); |
duke@435 | 433 | #endif |
duke@435 | 434 | __ push(dtos); |
kvn@3037 | 435 | __ ba_short(exit); |
duke@435 | 436 | |
duke@435 | 437 | __ bind(Long); |
duke@435 | 438 | #ifdef _LP64 |
duke@435 | 439 | __ ldx(G3_scratch, base_offset, Otos_l); |
duke@435 | 440 | #else |
duke@435 | 441 | __ ld(G3_scratch, base_offset, Otos_l); |
duke@435 | 442 | __ ld(G3_scratch, base_offset + sizeof(jlong)/2, Otos_l->successor()); |
duke@435 | 443 | #endif |
duke@435 | 444 | __ push(ltos); |
duke@435 | 445 | |
duke@435 | 446 | __ bind(exit); |
duke@435 | 447 | } |
duke@435 | 448 | |
duke@435 | 449 | |
duke@435 | 450 | void TemplateTable::locals_index(Register reg, int offset) { |
duke@435 | 451 | __ ldub( at_bcp(offset), reg ); |
duke@435 | 452 | } |
duke@435 | 453 | |
duke@435 | 454 | |
duke@435 | 455 | void TemplateTable::locals_index_wide(Register reg) { |
duke@435 | 456 | // offset is 2, not 1, because Lbcp points to wide prefix code |
duke@435 | 457 | __ get_2_byte_integer_at_bcp(2, G4_scratch, reg, InterpreterMacroAssembler::Unsigned); |
duke@435 | 458 | } |
duke@435 | 459 | |
duke@435 | 460 | void TemplateTable::iload() { |
duke@435 | 461 | transition(vtos, itos); |
duke@435 | 462 | // Rewrite iload,iload pair into fast_iload2 |
duke@435 | 463 | // iload,caload pair into fast_icaload |
duke@435 | 464 | if (RewriteFrequentPairs) { |
duke@435 | 465 | Label rewrite, done; |
duke@435 | 466 | |
duke@435 | 467 | // get next byte |
duke@435 | 468 | __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_iload)), G3_scratch); |
duke@435 | 469 | |
duke@435 | 470 | // if _iload, wait to rewrite to iload2. We only want to rewrite the |
duke@435 | 471 | // last two iloads in a pair. Comparing against fast_iload means that |
duke@435 | 472 | // the next bytecode is neither an iload or a caload, and therefore |
duke@435 | 473 | // an iload pair. |
kvn@3037 | 474 | __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_iload, Assembler::equal, Assembler::pn, done); |
duke@435 | 475 | |
duke@435 | 476 | __ cmp(G3_scratch, (int)Bytecodes::_fast_iload); |
duke@435 | 477 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
duke@435 | 478 | __ delayed()->set(Bytecodes::_fast_iload2, G4_scratch); |
duke@435 | 479 | |
duke@435 | 480 | __ cmp(G3_scratch, (int)Bytecodes::_caload); |
duke@435 | 481 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
duke@435 | 482 | __ delayed()->set(Bytecodes::_fast_icaload, G4_scratch); |
duke@435 | 483 | |
duke@435 | 484 | __ set(Bytecodes::_fast_iload, G4_scratch); // don't check again |
duke@435 | 485 | // rewrite |
duke@435 | 486 | // G4_scratch: fast bytecode |
duke@435 | 487 | __ bind(rewrite); |
duke@435 | 488 | patch_bytecode(Bytecodes::_iload, G4_scratch, G3_scratch, false); |
duke@435 | 489 | __ bind(done); |
duke@435 | 490 | } |
duke@435 | 491 | |
duke@435 | 492 | // Get the local value into tos |
duke@435 | 493 | locals_index(G3_scratch); |
duke@435 | 494 | __ access_local_int( G3_scratch, Otos_i ); |
duke@435 | 495 | } |
duke@435 | 496 | |
duke@435 | 497 | void TemplateTable::fast_iload2() { |
duke@435 | 498 | transition(vtos, itos); |
duke@435 | 499 | locals_index(G3_scratch); |
duke@435 | 500 | __ access_local_int( G3_scratch, Otos_i ); |
duke@435 | 501 | __ push_i(); |
duke@435 | 502 | locals_index(G3_scratch, 3); // get next bytecode's local index. |
duke@435 | 503 | __ access_local_int( G3_scratch, Otos_i ); |
duke@435 | 504 | } |
duke@435 | 505 | |
duke@435 | 506 | void TemplateTable::fast_iload() { |
duke@435 | 507 | transition(vtos, itos); |
duke@435 | 508 | locals_index(G3_scratch); |
duke@435 | 509 | __ access_local_int( G3_scratch, Otos_i ); |
duke@435 | 510 | } |
duke@435 | 511 | |
duke@435 | 512 | void TemplateTable::lload() { |
duke@435 | 513 | transition(vtos, ltos); |
duke@435 | 514 | locals_index(G3_scratch); |
duke@435 | 515 | __ access_local_long( G3_scratch, Otos_l ); |
duke@435 | 516 | } |
duke@435 | 517 | |
duke@435 | 518 | |
duke@435 | 519 | void TemplateTable::fload() { |
duke@435 | 520 | transition(vtos, ftos); |
duke@435 | 521 | locals_index(G3_scratch); |
duke@435 | 522 | __ access_local_float( G3_scratch, Ftos_f ); |
duke@435 | 523 | } |
duke@435 | 524 | |
duke@435 | 525 | |
duke@435 | 526 | void TemplateTable::dload() { |
duke@435 | 527 | transition(vtos, dtos); |
duke@435 | 528 | locals_index(G3_scratch); |
duke@435 | 529 | __ access_local_double( G3_scratch, Ftos_d ); |
duke@435 | 530 | } |
duke@435 | 531 | |
duke@435 | 532 | |
duke@435 | 533 | void TemplateTable::aload() { |
duke@435 | 534 | transition(vtos, atos); |
duke@435 | 535 | locals_index(G3_scratch); |
duke@435 | 536 | __ access_local_ptr( G3_scratch, Otos_i); |
duke@435 | 537 | } |
duke@435 | 538 | |
duke@435 | 539 | |
duke@435 | 540 | void TemplateTable::wide_iload() { |
duke@435 | 541 | transition(vtos, itos); |
duke@435 | 542 | locals_index_wide(G3_scratch); |
duke@435 | 543 | __ access_local_int( G3_scratch, Otos_i ); |
duke@435 | 544 | } |
duke@435 | 545 | |
duke@435 | 546 | |
duke@435 | 547 | void TemplateTable::wide_lload() { |
duke@435 | 548 | transition(vtos, ltos); |
duke@435 | 549 | locals_index_wide(G3_scratch); |
duke@435 | 550 | __ access_local_long( G3_scratch, Otos_l ); |
duke@435 | 551 | } |
duke@435 | 552 | |
duke@435 | 553 | |
duke@435 | 554 | void TemplateTable::wide_fload() { |
duke@435 | 555 | transition(vtos, ftos); |
duke@435 | 556 | locals_index_wide(G3_scratch); |
duke@435 | 557 | __ access_local_float( G3_scratch, Ftos_f ); |
duke@435 | 558 | } |
duke@435 | 559 | |
duke@435 | 560 | |
duke@435 | 561 | void TemplateTable::wide_dload() { |
duke@435 | 562 | transition(vtos, dtos); |
duke@435 | 563 | locals_index_wide(G3_scratch); |
duke@435 | 564 | __ access_local_double( G3_scratch, Ftos_d ); |
duke@435 | 565 | } |
duke@435 | 566 | |
duke@435 | 567 | |
duke@435 | 568 | void TemplateTable::wide_aload() { |
duke@435 | 569 | transition(vtos, atos); |
duke@435 | 570 | locals_index_wide(G3_scratch); |
duke@435 | 571 | __ access_local_ptr( G3_scratch, Otos_i ); |
duke@435 | 572 | __ verify_oop(Otos_i); |
duke@435 | 573 | } |
duke@435 | 574 | |
duke@435 | 575 | |
duke@435 | 576 | void TemplateTable::iaload() { |
duke@435 | 577 | transition(itos, itos); |
duke@435 | 578 | // Otos_i: index |
duke@435 | 579 | // tos: array |
duke@435 | 580 | __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); |
duke@435 | 581 | __ ld(O3, arrayOopDesc::base_offset_in_bytes(T_INT), Otos_i); |
duke@435 | 582 | } |
duke@435 | 583 | |
duke@435 | 584 | |
duke@435 | 585 | void TemplateTable::laload() { |
duke@435 | 586 | transition(itos, ltos); |
duke@435 | 587 | // Otos_i: index |
duke@435 | 588 | // O2: array |
duke@435 | 589 | __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); |
duke@435 | 590 | __ ld_long(O3, arrayOopDesc::base_offset_in_bytes(T_LONG), Otos_l); |
duke@435 | 591 | } |
duke@435 | 592 | |
duke@435 | 593 | |
duke@435 | 594 | void TemplateTable::faload() { |
duke@435 | 595 | transition(itos, ftos); |
duke@435 | 596 | // Otos_i: index |
duke@435 | 597 | // O2: array |
duke@435 | 598 | __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); |
duke@435 | 599 | __ ldf(FloatRegisterImpl::S, O3, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Ftos_f); |
duke@435 | 600 | } |
duke@435 | 601 | |
duke@435 | 602 | |
duke@435 | 603 | void TemplateTable::daload() { |
duke@435 | 604 | transition(itos, dtos); |
duke@435 | 605 | // Otos_i: index |
duke@435 | 606 | // O2: array |
duke@435 | 607 | __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); |
duke@435 | 608 | __ ldf(FloatRegisterImpl::D, O3, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Ftos_d); |
duke@435 | 609 | } |
duke@435 | 610 | |
duke@435 | 611 | |
duke@435 | 612 | void TemplateTable::aaload() { |
duke@435 | 613 | transition(itos, atos); |
duke@435 | 614 | // Otos_i: index |
duke@435 | 615 | // tos: array |
coleenp@548 | 616 | __ index_check(O2, Otos_i, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O3); |
coleenp@548 | 617 | __ load_heap_oop(O3, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i); |
duke@435 | 618 | __ verify_oop(Otos_i); |
duke@435 | 619 | } |
duke@435 | 620 | |
duke@435 | 621 | |
duke@435 | 622 | void TemplateTable::baload() { |
duke@435 | 623 | transition(itos, itos); |
duke@435 | 624 | // Otos_i: index |
duke@435 | 625 | // tos: array |
duke@435 | 626 | __ index_check(O2, Otos_i, 0, G3_scratch, O3); |
duke@435 | 627 | __ ldsb(O3, arrayOopDesc::base_offset_in_bytes(T_BYTE), Otos_i); |
duke@435 | 628 | } |
duke@435 | 629 | |
duke@435 | 630 | |
duke@435 | 631 | void TemplateTable::caload() { |
duke@435 | 632 | transition(itos, itos); |
duke@435 | 633 | // Otos_i: index |
duke@435 | 634 | // tos: array |
duke@435 | 635 | __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); |
duke@435 | 636 | __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); |
duke@435 | 637 | } |
duke@435 | 638 | |
duke@435 | 639 | void TemplateTable::fast_icaload() { |
duke@435 | 640 | transition(vtos, itos); |
duke@435 | 641 | // Otos_i: index |
duke@435 | 642 | // tos: array |
duke@435 | 643 | locals_index(G3_scratch); |
duke@435 | 644 | __ access_local_int( G3_scratch, Otos_i ); |
duke@435 | 645 | __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); |
duke@435 | 646 | __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); |
duke@435 | 647 | } |
duke@435 | 648 | |
duke@435 | 649 | |
duke@435 | 650 | void TemplateTable::saload() { |
duke@435 | 651 | transition(itos, itos); |
duke@435 | 652 | // Otos_i: index |
duke@435 | 653 | // tos: array |
duke@435 | 654 | __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); |
duke@435 | 655 | __ ldsh(O3, arrayOopDesc::base_offset_in_bytes(T_SHORT), Otos_i); |
duke@435 | 656 | } |
duke@435 | 657 | |
duke@435 | 658 | |
duke@435 | 659 | void TemplateTable::iload(int n) { |
duke@435 | 660 | transition(vtos, itos); |
duke@435 | 661 | __ ld( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); |
duke@435 | 662 | } |
duke@435 | 663 | |
duke@435 | 664 | |
duke@435 | 665 | void TemplateTable::lload(int n) { |
duke@435 | 666 | transition(vtos, ltos); |
duke@435 | 667 | assert(n+1 < Argument::n_register_parameters, "would need more code"); |
duke@435 | 668 | __ load_unaligned_long(Llocals, Interpreter::local_offset_in_bytes(n+1), Otos_l); |
duke@435 | 669 | } |
duke@435 | 670 | |
duke@435 | 671 | |
duke@435 | 672 | void TemplateTable::fload(int n) { |
duke@435 | 673 | transition(vtos, ftos); |
duke@435 | 674 | assert(n < Argument::n_register_parameters, "would need more code"); |
duke@435 | 675 | __ ldf( FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(n), Ftos_f ); |
duke@435 | 676 | } |
duke@435 | 677 | |
duke@435 | 678 | |
duke@435 | 679 | void TemplateTable::dload(int n) { |
duke@435 | 680 | transition(vtos, dtos); |
duke@435 | 681 | FloatRegister dst = Ftos_d; |
duke@435 | 682 | __ load_unaligned_double(Llocals, Interpreter::local_offset_in_bytes(n+1), dst); |
duke@435 | 683 | } |
duke@435 | 684 | |
duke@435 | 685 | |
duke@435 | 686 | void TemplateTable::aload(int n) { |
duke@435 | 687 | transition(vtos, atos); |
duke@435 | 688 | __ ld_ptr( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); |
duke@435 | 689 | } |
duke@435 | 690 | |
duke@435 | 691 | |
duke@435 | 692 | void TemplateTable::aload_0() { |
duke@435 | 693 | transition(vtos, atos); |
duke@435 | 694 | |
duke@435 | 695 | // According to bytecode histograms, the pairs: |
duke@435 | 696 | // |
duke@435 | 697 | // _aload_0, _fast_igetfield (itos) |
duke@435 | 698 | // _aload_0, _fast_agetfield (atos) |
duke@435 | 699 | // _aload_0, _fast_fgetfield (ftos) |
duke@435 | 700 | // |
duke@435 | 701 | // occur frequently. If RewriteFrequentPairs is set, the (slow) _aload_0 |
duke@435 | 702 | // bytecode checks the next bytecode and then rewrites the current |
duke@435 | 703 | // bytecode into a pair bytecode; otherwise it rewrites the current |
duke@435 | 704 | // bytecode into _fast_aload_0 that doesn't do the pair check anymore. |
duke@435 | 705 | // |
duke@435 | 706 | if (RewriteFrequentPairs) { |
duke@435 | 707 | Label rewrite, done; |
duke@435 | 708 | |
duke@435 | 709 | // get next byte |
duke@435 | 710 | __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_aload_0)), G3_scratch); |
duke@435 | 711 | |
duke@435 | 712 | // do actual aload_0 |
duke@435 | 713 | aload(0); |
duke@435 | 714 | |
duke@435 | 715 | // if _getfield then wait with rewrite |
kvn@3037 | 716 | __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_getfield, Assembler::equal, Assembler::pn, done); |
duke@435 | 717 | |
duke@435 | 718 | // if _igetfield then rewrite to _fast_iaccess_0 |
duke@435 | 719 | assert(Bytecodes::java_code(Bytecodes::_fast_iaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
duke@435 | 720 | __ cmp(G3_scratch, (int)Bytecodes::_fast_igetfield); |
duke@435 | 721 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
duke@435 | 722 | __ delayed()->set(Bytecodes::_fast_iaccess_0, G4_scratch); |
duke@435 | 723 | |
duke@435 | 724 | // if _agetfield then rewrite to _fast_aaccess_0 |
duke@435 | 725 | assert(Bytecodes::java_code(Bytecodes::_fast_aaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
duke@435 | 726 | __ cmp(G3_scratch, (int)Bytecodes::_fast_agetfield); |
duke@435 | 727 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
duke@435 | 728 | __ delayed()->set(Bytecodes::_fast_aaccess_0, G4_scratch); |
duke@435 | 729 | |
duke@435 | 730 | // if _fgetfield then rewrite to _fast_faccess_0 |
duke@435 | 731 | assert(Bytecodes::java_code(Bytecodes::_fast_faccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
duke@435 | 732 | __ cmp(G3_scratch, (int)Bytecodes::_fast_fgetfield); |
duke@435 | 733 | __ br(Assembler::equal, false, Assembler::pn, rewrite); |
duke@435 | 734 | __ delayed()->set(Bytecodes::_fast_faccess_0, G4_scratch); |
duke@435 | 735 | |
duke@435 | 736 | // else rewrite to _fast_aload0 |
duke@435 | 737 | assert(Bytecodes::java_code(Bytecodes::_fast_aload_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); |
duke@435 | 738 | __ set(Bytecodes::_fast_aload_0, G4_scratch); |
duke@435 | 739 | |
duke@435 | 740 | // rewrite |
duke@435 | 741 | // G4_scratch: fast bytecode |
duke@435 | 742 | __ bind(rewrite); |
duke@435 | 743 | patch_bytecode(Bytecodes::_aload_0, G4_scratch, G3_scratch, false); |
duke@435 | 744 | __ bind(done); |
duke@435 | 745 | } else { |
duke@435 | 746 | aload(0); |
duke@435 | 747 | } |
duke@435 | 748 | } |
duke@435 | 749 | |
duke@435 | 750 | |
duke@435 | 751 | void TemplateTable::istore() { |
duke@435 | 752 | transition(itos, vtos); |
duke@435 | 753 | locals_index(G3_scratch); |
duke@435 | 754 | __ store_local_int( G3_scratch, Otos_i ); |
duke@435 | 755 | } |
duke@435 | 756 | |
duke@435 | 757 | |
duke@435 | 758 | void TemplateTable::lstore() { |
duke@435 | 759 | transition(ltos, vtos); |
duke@435 | 760 | locals_index(G3_scratch); |
duke@435 | 761 | __ store_local_long( G3_scratch, Otos_l ); |
duke@435 | 762 | } |
duke@435 | 763 | |
duke@435 | 764 | |
duke@435 | 765 | void TemplateTable::fstore() { |
duke@435 | 766 | transition(ftos, vtos); |
duke@435 | 767 | locals_index(G3_scratch); |
duke@435 | 768 | __ store_local_float( G3_scratch, Ftos_f ); |
duke@435 | 769 | } |
duke@435 | 770 | |
duke@435 | 771 | |
duke@435 | 772 | void TemplateTable::dstore() { |
duke@435 | 773 | transition(dtos, vtos); |
duke@435 | 774 | locals_index(G3_scratch); |
duke@435 | 775 | __ store_local_double( G3_scratch, Ftos_d ); |
duke@435 | 776 | } |
duke@435 | 777 | |
duke@435 | 778 | |
duke@435 | 779 | void TemplateTable::astore() { |
duke@435 | 780 | transition(vtos, vtos); |
twisti@1861 | 781 | __ load_ptr(0, Otos_i); |
twisti@1861 | 782 | __ inc(Lesp, Interpreter::stackElementSize); |
duke@435 | 783 | __ verify_oop_or_return_address(Otos_i, G3_scratch); |
duke@435 | 784 | locals_index(G3_scratch); |
twisti@1861 | 785 | __ store_local_ptr(G3_scratch, Otos_i); |
duke@435 | 786 | } |
duke@435 | 787 | |
duke@435 | 788 | |
duke@435 | 789 | void TemplateTable::wide_istore() { |
duke@435 | 790 | transition(vtos, vtos); |
duke@435 | 791 | __ pop_i(); |
duke@435 | 792 | locals_index_wide(G3_scratch); |
duke@435 | 793 | __ store_local_int( G3_scratch, Otos_i ); |
duke@435 | 794 | } |
duke@435 | 795 | |
duke@435 | 796 | |
duke@435 | 797 | void TemplateTable::wide_lstore() { |
duke@435 | 798 | transition(vtos, vtos); |
duke@435 | 799 | __ pop_l(); |
duke@435 | 800 | locals_index_wide(G3_scratch); |
duke@435 | 801 | __ store_local_long( G3_scratch, Otos_l ); |
duke@435 | 802 | } |
duke@435 | 803 | |
duke@435 | 804 | |
duke@435 | 805 | void TemplateTable::wide_fstore() { |
duke@435 | 806 | transition(vtos, vtos); |
duke@435 | 807 | __ pop_f(); |
duke@435 | 808 | locals_index_wide(G3_scratch); |
duke@435 | 809 | __ store_local_float( G3_scratch, Ftos_f ); |
duke@435 | 810 | } |
duke@435 | 811 | |
duke@435 | 812 | |
duke@435 | 813 | void TemplateTable::wide_dstore() { |
duke@435 | 814 | transition(vtos, vtos); |
duke@435 | 815 | __ pop_d(); |
duke@435 | 816 | locals_index_wide(G3_scratch); |
duke@435 | 817 | __ store_local_double( G3_scratch, Ftos_d ); |
duke@435 | 818 | } |
duke@435 | 819 | |
duke@435 | 820 | |
duke@435 | 821 | void TemplateTable::wide_astore() { |
duke@435 | 822 | transition(vtos, vtos); |
twisti@1861 | 823 | __ load_ptr(0, Otos_i); |
twisti@1861 | 824 | __ inc(Lesp, Interpreter::stackElementSize); |
duke@435 | 825 | __ verify_oop_or_return_address(Otos_i, G3_scratch); |
duke@435 | 826 | locals_index_wide(G3_scratch); |
twisti@1861 | 827 | __ store_local_ptr(G3_scratch, Otos_i); |
duke@435 | 828 | } |
duke@435 | 829 | |
duke@435 | 830 | |
duke@435 | 831 | void TemplateTable::iastore() { |
duke@435 | 832 | transition(itos, vtos); |
duke@435 | 833 | __ pop_i(O2); // index |
duke@435 | 834 | // Otos_i: val |
duke@435 | 835 | // O3: array |
duke@435 | 836 | __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); |
duke@435 | 837 | __ st(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_INT)); |
duke@435 | 838 | } |
duke@435 | 839 | |
duke@435 | 840 | |
duke@435 | 841 | void TemplateTable::lastore() { |
duke@435 | 842 | transition(ltos, vtos); |
duke@435 | 843 | __ pop_i(O2); // index |
duke@435 | 844 | // Otos_l: val |
duke@435 | 845 | // O3: array |
duke@435 | 846 | __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); |
duke@435 | 847 | __ st_long(Otos_l, O2, arrayOopDesc::base_offset_in_bytes(T_LONG)); |
duke@435 | 848 | } |
duke@435 | 849 | |
duke@435 | 850 | |
duke@435 | 851 | void TemplateTable::fastore() { |
duke@435 | 852 | transition(ftos, vtos); |
duke@435 | 853 | __ pop_i(O2); // index |
duke@435 | 854 | // Ftos_f: val |
duke@435 | 855 | // O3: array |
duke@435 | 856 | __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); |
duke@435 | 857 | __ stf(FloatRegisterImpl::S, Ftos_f, O2, arrayOopDesc::base_offset_in_bytes(T_FLOAT)); |
duke@435 | 858 | } |
duke@435 | 859 | |
duke@435 | 860 | |
duke@435 | 861 | void TemplateTable::dastore() { |
duke@435 | 862 | transition(dtos, vtos); |
duke@435 | 863 | __ pop_i(O2); // index |
duke@435 | 864 | // Fos_d: val |
duke@435 | 865 | // O3: array |
duke@435 | 866 | __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); |
duke@435 | 867 | __ stf(FloatRegisterImpl::D, Ftos_d, O2, arrayOopDesc::base_offset_in_bytes(T_DOUBLE)); |
duke@435 | 868 | } |
duke@435 | 869 | |
duke@435 | 870 | |
duke@435 | 871 | void TemplateTable::aastore() { |
duke@435 | 872 | Label store_ok, is_null, done; |
duke@435 | 873 | transition(vtos, vtos); |
duke@435 | 874 | __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); |
duke@435 | 875 | __ ld(Lesp, Interpreter::expr_offset_in_bytes(1), O2); // get index |
duke@435 | 876 | __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(2), O3); // get array |
duke@435 | 877 | // Otos_i: val |
duke@435 | 878 | // O2: index |
duke@435 | 879 | // O3: array |
duke@435 | 880 | __ verify_oop(Otos_i); |
coleenp@548 | 881 | __ index_check_without_pop(O3, O2, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O1); |
duke@435 | 882 | |
duke@435 | 883 | // do array store check - check for NULL value first |
kvn@3037 | 884 | __ br_null_short( Otos_i, Assembler::pn, is_null ); |
coleenp@548 | 885 | |
coleenp@548 | 886 | __ load_klass(O3, O4); // get array klass |
coleenp@548 | 887 | __ load_klass(Otos_i, O5); // get value klass |
duke@435 | 888 | |
duke@435 | 889 | // do fast instanceof cache test |
duke@435 | 890 | |
stefank@3391 | 891 | __ ld_ptr(O4, in_bytes(objArrayKlass::element_klass_offset()), O4); |
duke@435 | 892 | |
duke@435 | 893 | assert(Otos_i == O0, "just checking"); |
duke@435 | 894 | |
duke@435 | 895 | // Otos_i: value |
duke@435 | 896 | // O1: addr - offset |
duke@435 | 897 | // O2: index |
duke@435 | 898 | // O3: array |
duke@435 | 899 | // O4: array element klass |
duke@435 | 900 | // O5: value klass |
duke@435 | 901 | |
ysr@777 | 902 | // Address element(O1, 0, arrayOopDesc::base_offset_in_bytes(T_OBJECT)); |
ysr@777 | 903 | |
duke@435 | 904 | // Generate a fast subtype check. Branch to store_ok if no |
duke@435 | 905 | // failure. Throw if failure. |
duke@435 | 906 | __ gen_subtype_check( O5, O4, G3_scratch, G4_scratch, G1_scratch, store_ok ); |
duke@435 | 907 | |
duke@435 | 908 | // Not a subtype; so must throw exception |
duke@435 | 909 | __ throw_if_not_x( Assembler::never, Interpreter::_throw_ArrayStoreException_entry, G3_scratch ); |
duke@435 | 910 | |
duke@435 | 911 | // Store is OK. |
duke@435 | 912 | __ bind(store_ok); |
ysr@777 | 913 | do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i, G3_scratch, _bs->kind(), true); |
ysr@777 | 914 | |
kvn@3037 | 915 | __ ba(done); |
twisti@1861 | 916 | __ delayed()->inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
duke@435 | 917 | |
duke@435 | 918 | __ bind(is_null); |
ysr@777 | 919 | do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), G0, G4_scratch, _bs->kind(), true); |
ysr@777 | 920 | |
duke@435 | 921 | __ profile_null_seen(G3_scratch); |
twisti@1861 | 922 | __ inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
duke@435 | 923 | __ bind(done); |
duke@435 | 924 | } |
duke@435 | 925 | |
duke@435 | 926 | |
duke@435 | 927 | void TemplateTable::bastore() { |
duke@435 | 928 | transition(itos, vtos); |
duke@435 | 929 | __ pop_i(O2); // index |
duke@435 | 930 | // Otos_i: val |
duke@435 | 931 | // O3: array |
duke@435 | 932 | __ index_check(O3, O2, 0, G3_scratch, O2); |
duke@435 | 933 | __ stb(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_BYTE)); |
duke@435 | 934 | } |
duke@435 | 935 | |
duke@435 | 936 | |
duke@435 | 937 | void TemplateTable::castore() { |
duke@435 | 938 | transition(itos, vtos); |
duke@435 | 939 | __ pop_i(O2); // index |
duke@435 | 940 | // Otos_i: val |
duke@435 | 941 | // O3: array |
duke@435 | 942 | __ index_check(O3, O2, LogBytesPerShort, G3_scratch, O2); |
duke@435 | 943 | __ sth(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_CHAR)); |
duke@435 | 944 | } |
duke@435 | 945 | |
duke@435 | 946 | |
duke@435 | 947 | void TemplateTable::sastore() { |
duke@435 | 948 | // %%%%% Factor across platform |
duke@435 | 949 | castore(); |
duke@435 | 950 | } |
duke@435 | 951 | |
duke@435 | 952 | |
duke@435 | 953 | void TemplateTable::istore(int n) { |
duke@435 | 954 | transition(itos, vtos); |
duke@435 | 955 | __ st(Otos_i, Llocals, Interpreter::local_offset_in_bytes(n)); |
duke@435 | 956 | } |
duke@435 | 957 | |
duke@435 | 958 | |
duke@435 | 959 | void TemplateTable::lstore(int n) { |
duke@435 | 960 | transition(ltos, vtos); |
duke@435 | 961 | assert(n+1 < Argument::n_register_parameters, "only handle register cases"); |
duke@435 | 962 | __ store_unaligned_long(Otos_l, Llocals, Interpreter::local_offset_in_bytes(n+1)); |
duke@435 | 963 | |
duke@435 | 964 | } |
duke@435 | 965 | |
duke@435 | 966 | |
duke@435 | 967 | void TemplateTable::fstore(int n) { |
duke@435 | 968 | transition(ftos, vtos); |
duke@435 | 969 | assert(n < Argument::n_register_parameters, "only handle register cases"); |
duke@435 | 970 | __ stf(FloatRegisterImpl::S, Ftos_f, Llocals, Interpreter::local_offset_in_bytes(n)); |
duke@435 | 971 | } |
duke@435 | 972 | |
duke@435 | 973 | |
duke@435 | 974 | void TemplateTable::dstore(int n) { |
duke@435 | 975 | transition(dtos, vtos); |
duke@435 | 976 | FloatRegister src = Ftos_d; |
duke@435 | 977 | __ store_unaligned_double(src, Llocals, Interpreter::local_offset_in_bytes(n+1)); |
duke@435 | 978 | } |
duke@435 | 979 | |
duke@435 | 980 | |
duke@435 | 981 | void TemplateTable::astore(int n) { |
duke@435 | 982 | transition(vtos, vtos); |
twisti@1861 | 983 | __ load_ptr(0, Otos_i); |
twisti@1861 | 984 | __ inc(Lesp, Interpreter::stackElementSize); |
duke@435 | 985 | __ verify_oop_or_return_address(Otos_i, G3_scratch); |
twisti@1861 | 986 | __ store_local_ptr(n, Otos_i); |
duke@435 | 987 | } |
duke@435 | 988 | |
duke@435 | 989 | |
duke@435 | 990 | void TemplateTable::pop() { |
duke@435 | 991 | transition(vtos, vtos); |
twisti@1861 | 992 | __ inc(Lesp, Interpreter::stackElementSize); |
duke@435 | 993 | } |
duke@435 | 994 | |
duke@435 | 995 | |
duke@435 | 996 | void TemplateTable::pop2() { |
duke@435 | 997 | transition(vtos, vtos); |
twisti@1861 | 998 | __ inc(Lesp, 2 * Interpreter::stackElementSize); |
duke@435 | 999 | } |
duke@435 | 1000 | |
duke@435 | 1001 | |
duke@435 | 1002 | void TemplateTable::dup() { |
duke@435 | 1003 | transition(vtos, vtos); |
duke@435 | 1004 | // stack: ..., a |
duke@435 | 1005 | // load a and tag |
twisti@1861 | 1006 | __ load_ptr(0, Otos_i); |
twisti@1861 | 1007 | __ push_ptr(Otos_i); |
duke@435 | 1008 | // stack: ..., a, a |
duke@435 | 1009 | } |
duke@435 | 1010 | |
duke@435 | 1011 | |
duke@435 | 1012 | void TemplateTable::dup_x1() { |
duke@435 | 1013 | transition(vtos, vtos); |
duke@435 | 1014 | // stack: ..., a, b |
twisti@1861 | 1015 | __ load_ptr( 1, G3_scratch); // get a |
twisti@1861 | 1016 | __ load_ptr( 0, Otos_l1); // get b |
twisti@1861 | 1017 | __ store_ptr(1, Otos_l1); // put b |
twisti@1861 | 1018 | __ store_ptr(0, G3_scratch); // put a - like swap |
twisti@1861 | 1019 | __ push_ptr(Otos_l1); // push b |
duke@435 | 1020 | // stack: ..., b, a, b |
duke@435 | 1021 | } |
duke@435 | 1022 | |
duke@435 | 1023 | |
duke@435 | 1024 | void TemplateTable::dup_x2() { |
duke@435 | 1025 | transition(vtos, vtos); |
duke@435 | 1026 | // stack: ..., a, b, c |
duke@435 | 1027 | // get c and push on stack, reuse registers |
twisti@1861 | 1028 | __ load_ptr( 0, G3_scratch); // get c |
twisti@1861 | 1029 | __ push_ptr(G3_scratch); // push c with tag |
duke@435 | 1030 | // stack: ..., a, b, c, c (c in reg) (Lesp - 4) |
duke@435 | 1031 | // (stack offsets n+1 now) |
twisti@1861 | 1032 | __ load_ptr( 3, Otos_l1); // get a |
twisti@1861 | 1033 | __ store_ptr(3, G3_scratch); // put c at 3 |
duke@435 | 1034 | // stack: ..., c, b, c, c (a in reg) |
twisti@1861 | 1035 | __ load_ptr( 2, G3_scratch); // get b |
twisti@1861 | 1036 | __ store_ptr(2, Otos_l1); // put a at 2 |
duke@435 | 1037 | // stack: ..., c, a, c, c (b in reg) |
twisti@1861 | 1038 | __ store_ptr(1, G3_scratch); // put b at 1 |
duke@435 | 1039 | // stack: ..., c, a, b, c |
duke@435 | 1040 | } |
duke@435 | 1041 | |
duke@435 | 1042 | |
duke@435 | 1043 | void TemplateTable::dup2() { |
duke@435 | 1044 | transition(vtos, vtos); |
twisti@1861 | 1045 | __ load_ptr(1, G3_scratch); // get a |
twisti@1861 | 1046 | __ load_ptr(0, Otos_l1); // get b |
twisti@1861 | 1047 | __ push_ptr(G3_scratch); // push a |
twisti@1861 | 1048 | __ push_ptr(Otos_l1); // push b |
duke@435 | 1049 | // stack: ..., a, b, a, b |
duke@435 | 1050 | } |
duke@435 | 1051 | |
duke@435 | 1052 | |
duke@435 | 1053 | void TemplateTable::dup2_x1() { |
duke@435 | 1054 | transition(vtos, vtos); |
duke@435 | 1055 | // stack: ..., a, b, c |
twisti@1861 | 1056 | __ load_ptr( 1, Lscratch); // get b |
twisti@1861 | 1057 | __ load_ptr( 2, Otos_l1); // get a |
twisti@1861 | 1058 | __ store_ptr(2, Lscratch); // put b at a |
duke@435 | 1059 | // stack: ..., b, b, c |
twisti@1861 | 1060 | __ load_ptr( 0, G3_scratch); // get c |
twisti@1861 | 1061 | __ store_ptr(1, G3_scratch); // put c at b |
duke@435 | 1062 | // stack: ..., b, c, c |
twisti@1861 | 1063 | __ store_ptr(0, Otos_l1); // put a at c |
duke@435 | 1064 | // stack: ..., b, c, a |
twisti@1861 | 1065 | __ push_ptr(Lscratch); // push b |
twisti@1861 | 1066 | __ push_ptr(G3_scratch); // push c |
duke@435 | 1067 | // stack: ..., b, c, a, b, c |
duke@435 | 1068 | } |
duke@435 | 1069 | |
duke@435 | 1070 | |
duke@435 | 1071 | // The spec says that these types can be a mixture of category 1 (1 word) |
duke@435 | 1072 | // types and/or category 2 types (long and doubles) |
duke@435 | 1073 | void TemplateTable::dup2_x2() { |
duke@435 | 1074 | transition(vtos, vtos); |
duke@435 | 1075 | // stack: ..., a, b, c, d |
twisti@1861 | 1076 | __ load_ptr( 1, Lscratch); // get c |
twisti@1861 | 1077 | __ load_ptr( 3, Otos_l1); // get a |
twisti@1861 | 1078 | __ store_ptr(3, Lscratch); // put c at 3 |
twisti@1861 | 1079 | __ store_ptr(1, Otos_l1); // put a at 1 |
duke@435 | 1080 | // stack: ..., c, b, a, d |
twisti@1861 | 1081 | __ load_ptr( 2, G3_scratch); // get b |
twisti@1861 | 1082 | __ load_ptr( 0, Otos_l1); // get d |
twisti@1861 | 1083 | __ store_ptr(0, G3_scratch); // put b at 0 |
twisti@1861 | 1084 | __ store_ptr(2, Otos_l1); // put d at 2 |
duke@435 | 1085 | // stack: ..., c, d, a, b |
twisti@1861 | 1086 | __ push_ptr(Lscratch); // push c |
twisti@1861 | 1087 | __ push_ptr(Otos_l1); // push d |
duke@435 | 1088 | // stack: ..., c, d, a, b, c, d |
duke@435 | 1089 | } |
duke@435 | 1090 | |
duke@435 | 1091 | |
duke@435 | 1092 | void TemplateTable::swap() { |
duke@435 | 1093 | transition(vtos, vtos); |
duke@435 | 1094 | // stack: ..., a, b |
twisti@1861 | 1095 | __ load_ptr( 1, G3_scratch); // get a |
twisti@1861 | 1096 | __ load_ptr( 0, Otos_l1); // get b |
twisti@1861 | 1097 | __ store_ptr(0, G3_scratch); // put b |
twisti@1861 | 1098 | __ store_ptr(1, Otos_l1); // put a |
duke@435 | 1099 | // stack: ..., b, a |
duke@435 | 1100 | } |
duke@435 | 1101 | |
duke@435 | 1102 | |
duke@435 | 1103 | void TemplateTable::iop2(Operation op) { |
duke@435 | 1104 | transition(itos, itos); |
duke@435 | 1105 | __ pop_i(O1); |
duke@435 | 1106 | switch (op) { |
duke@435 | 1107 | case add: __ add(O1, Otos_i, Otos_i); break; |
duke@435 | 1108 | case sub: __ sub(O1, Otos_i, Otos_i); break; |
duke@435 | 1109 | // %%%%% Mul may not exist: better to call .mul? |
duke@435 | 1110 | case mul: __ smul(O1, Otos_i, Otos_i); break; |
twisti@1861 | 1111 | case _and: __ and3(O1, Otos_i, Otos_i); break; |
twisti@1861 | 1112 | case _or: __ or3(O1, Otos_i, Otos_i); break; |
twisti@1861 | 1113 | case _xor: __ xor3(O1, Otos_i, Otos_i); break; |
duke@435 | 1114 | case shl: __ sll(O1, Otos_i, Otos_i); break; |
duke@435 | 1115 | case shr: __ sra(O1, Otos_i, Otos_i); break; |
duke@435 | 1116 | case ushr: __ srl(O1, Otos_i, Otos_i); break; |
duke@435 | 1117 | default: ShouldNotReachHere(); |
duke@435 | 1118 | } |
duke@435 | 1119 | } |
duke@435 | 1120 | |
duke@435 | 1121 | |
duke@435 | 1122 | void TemplateTable::lop2(Operation op) { |
duke@435 | 1123 | transition(ltos, ltos); |
duke@435 | 1124 | __ pop_l(O2); |
duke@435 | 1125 | switch (op) { |
duke@435 | 1126 | #ifdef _LP64 |
twisti@1861 | 1127 | case add: __ add(O2, Otos_l, Otos_l); break; |
twisti@1861 | 1128 | case sub: __ sub(O2, Otos_l, Otos_l); break; |
twisti@1861 | 1129 | case _and: __ and3(O2, Otos_l, Otos_l); break; |
twisti@1861 | 1130 | case _or: __ or3(O2, Otos_l, Otos_l); break; |
twisti@1861 | 1131 | case _xor: __ xor3(O2, Otos_l, Otos_l); break; |
duke@435 | 1132 | #else |
duke@435 | 1133 | case add: __ addcc(O3, Otos_l2, Otos_l2); __ addc(O2, Otos_l1, Otos_l1); break; |
duke@435 | 1134 | case sub: __ subcc(O3, Otos_l2, Otos_l2); __ subc(O2, Otos_l1, Otos_l1); break; |
twisti@1861 | 1135 | case _and: __ and3(O3, Otos_l2, Otos_l2); __ and3(O2, Otos_l1, Otos_l1); break; |
twisti@1861 | 1136 | case _or: __ or3(O3, Otos_l2, Otos_l2); __ or3(O2, Otos_l1, Otos_l1); break; |
twisti@1861 | 1137 | case _xor: __ xor3(O3, Otos_l2, Otos_l2); __ xor3(O2, Otos_l1, Otos_l1); break; |
duke@435 | 1138 | #endif |
duke@435 | 1139 | default: ShouldNotReachHere(); |
duke@435 | 1140 | } |
duke@435 | 1141 | } |
duke@435 | 1142 | |
duke@435 | 1143 | |
duke@435 | 1144 | void TemplateTable::idiv() { |
duke@435 | 1145 | // %%%%% Later: ForSPARC/V7 call .sdiv library routine, |
duke@435 | 1146 | // %%%%% Use ldsw...sdivx on pure V9 ABI. 64 bit safe. |
duke@435 | 1147 | |
duke@435 | 1148 | transition(itos, itos); |
duke@435 | 1149 | __ pop_i(O1); // get 1st op |
duke@435 | 1150 | |
duke@435 | 1151 | // Y contains upper 32 bits of result, set it to 0 or all ones |
duke@435 | 1152 | __ wry(G0); |
duke@435 | 1153 | __ mov(~0, G3_scratch); |
duke@435 | 1154 | |
duke@435 | 1155 | __ tst(O1); |
duke@435 | 1156 | Label neg; |
duke@435 | 1157 | __ br(Assembler::negative, true, Assembler::pn, neg); |
duke@435 | 1158 | __ delayed()->wry(G3_scratch); |
duke@435 | 1159 | __ bind(neg); |
duke@435 | 1160 | |
duke@435 | 1161 | Label ok; |
duke@435 | 1162 | __ tst(Otos_i); |
duke@435 | 1163 | __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch ); |
duke@435 | 1164 | |
duke@435 | 1165 | const int min_int = 0x80000000; |
duke@435 | 1166 | Label regular; |
duke@435 | 1167 | __ cmp(Otos_i, -1); |
duke@435 | 1168 | __ br(Assembler::notEqual, false, Assembler::pt, regular); |
duke@435 | 1169 | #ifdef _LP64 |
duke@435 | 1170 | // Don't put set in delay slot |
duke@435 | 1171 | // Set will turn into multiple instructions in 64 bit mode |
duke@435 | 1172 | __ delayed()->nop(); |
duke@435 | 1173 | __ set(min_int, G4_scratch); |
duke@435 | 1174 | #else |
duke@435 | 1175 | __ delayed()->set(min_int, G4_scratch); |
duke@435 | 1176 | #endif |
duke@435 | 1177 | Label done; |
duke@435 | 1178 | __ cmp(O1, G4_scratch); |
duke@435 | 1179 | __ br(Assembler::equal, true, Assembler::pt, done); |
duke@435 | 1180 | __ delayed()->mov(O1, Otos_i); // (mov only executed if branch taken) |
duke@435 | 1181 | |
duke@435 | 1182 | __ bind(regular); |
duke@435 | 1183 | __ sdiv(O1, Otos_i, Otos_i); // note: irem uses O1 after this instruction! |
duke@435 | 1184 | __ bind(done); |
duke@435 | 1185 | } |
duke@435 | 1186 | |
duke@435 | 1187 | |
duke@435 | 1188 | void TemplateTable::irem() { |
duke@435 | 1189 | transition(itos, itos); |
duke@435 | 1190 | __ mov(Otos_i, O2); // save divisor |
duke@435 | 1191 | idiv(); // %%%% Hack: exploits fact that idiv leaves dividend in O1 |
duke@435 | 1192 | __ smul(Otos_i, O2, Otos_i); |
duke@435 | 1193 | __ sub(O1, Otos_i, Otos_i); |
duke@435 | 1194 | } |
duke@435 | 1195 | |
duke@435 | 1196 | |
duke@435 | 1197 | void TemplateTable::lmul() { |
duke@435 | 1198 | transition(ltos, ltos); |
duke@435 | 1199 | __ pop_l(O2); |
duke@435 | 1200 | #ifdef _LP64 |
duke@435 | 1201 | __ mulx(Otos_l, O2, Otos_l); |
duke@435 | 1202 | #else |
duke@435 | 1203 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lmul)); |
duke@435 | 1204 | #endif |
duke@435 | 1205 | |
duke@435 | 1206 | } |
duke@435 | 1207 | |
duke@435 | 1208 | |
duke@435 | 1209 | void TemplateTable::ldiv() { |
duke@435 | 1210 | transition(ltos, ltos); |
duke@435 | 1211 | |
duke@435 | 1212 | // check for zero |
duke@435 | 1213 | __ pop_l(O2); |
duke@435 | 1214 | #ifdef _LP64 |
duke@435 | 1215 | __ tst(Otos_l); |
duke@435 | 1216 | __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
duke@435 | 1217 | __ sdivx(O2, Otos_l, Otos_l); |
duke@435 | 1218 | #else |
duke@435 | 1219 | __ orcc(Otos_l1, Otos_l2, G0); |
duke@435 | 1220 | __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
duke@435 | 1221 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::ldiv)); |
duke@435 | 1222 | #endif |
duke@435 | 1223 | } |
duke@435 | 1224 | |
duke@435 | 1225 | |
duke@435 | 1226 | void TemplateTable::lrem() { |
duke@435 | 1227 | transition(ltos, ltos); |
duke@435 | 1228 | |
duke@435 | 1229 | // check for zero |
duke@435 | 1230 | __ pop_l(O2); |
duke@435 | 1231 | #ifdef _LP64 |
duke@435 | 1232 | __ tst(Otos_l); |
duke@435 | 1233 | __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
duke@435 | 1234 | __ sdivx(O2, Otos_l, Otos_l2); |
duke@435 | 1235 | __ mulx (Otos_l2, Otos_l, Otos_l2); |
duke@435 | 1236 | __ sub (O2, Otos_l2, Otos_l); |
duke@435 | 1237 | #else |
duke@435 | 1238 | __ orcc(Otos_l1, Otos_l2, G0); |
duke@435 | 1239 | __ throw_if_not_icc(Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); |
duke@435 | 1240 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lrem)); |
duke@435 | 1241 | #endif |
duke@435 | 1242 | } |
duke@435 | 1243 | |
duke@435 | 1244 | |
duke@435 | 1245 | void TemplateTable::lshl() { |
duke@435 | 1246 | transition(itos, ltos); // %%%% could optimize, fill delay slot or opt for ultra |
duke@435 | 1247 | |
duke@435 | 1248 | __ pop_l(O2); // shift value in O2, O3 |
duke@435 | 1249 | #ifdef _LP64 |
duke@435 | 1250 | __ sllx(O2, Otos_i, Otos_l); |
duke@435 | 1251 | #else |
duke@435 | 1252 | __ lshl(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); |
duke@435 | 1253 | #endif |
duke@435 | 1254 | } |
duke@435 | 1255 | |
duke@435 | 1256 | |
duke@435 | 1257 | void TemplateTable::lshr() { |
duke@435 | 1258 | transition(itos, ltos); // %%%% see lshl comment |
duke@435 | 1259 | |
duke@435 | 1260 | __ pop_l(O2); // shift value in O2, O3 |
duke@435 | 1261 | #ifdef _LP64 |
duke@435 | 1262 | __ srax(O2, Otos_i, Otos_l); |
duke@435 | 1263 | #else |
duke@435 | 1264 | __ lshr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); |
duke@435 | 1265 | #endif |
duke@435 | 1266 | } |
duke@435 | 1267 | |
duke@435 | 1268 | |
duke@435 | 1269 | |
duke@435 | 1270 | void TemplateTable::lushr() { |
duke@435 | 1271 | transition(itos, ltos); // %%%% see lshl comment |
duke@435 | 1272 | |
duke@435 | 1273 | __ pop_l(O2); // shift value in O2, O3 |
duke@435 | 1274 | #ifdef _LP64 |
duke@435 | 1275 | __ srlx(O2, Otos_i, Otos_l); |
duke@435 | 1276 | #else |
duke@435 | 1277 | __ lushr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); |
duke@435 | 1278 | #endif |
duke@435 | 1279 | } |
duke@435 | 1280 | |
duke@435 | 1281 | |
duke@435 | 1282 | void TemplateTable::fop2(Operation op) { |
duke@435 | 1283 | transition(ftos, ftos); |
duke@435 | 1284 | switch (op) { |
duke@435 | 1285 | case add: __ pop_f(F4); __ fadd(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
duke@435 | 1286 | case sub: __ pop_f(F4); __ fsub(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
duke@435 | 1287 | case mul: __ pop_f(F4); __ fmul(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
duke@435 | 1288 | case div: __ pop_f(F4); __ fdiv(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; |
duke@435 | 1289 | case rem: |
duke@435 | 1290 | assert(Ftos_f == F0, "just checking"); |
duke@435 | 1291 | #ifdef _LP64 |
duke@435 | 1292 | // LP64 calling conventions use F1, F3 for passing 2 floats |
duke@435 | 1293 | __ pop_f(F1); |
duke@435 | 1294 | __ fmov(FloatRegisterImpl::S, Ftos_f, F3); |
duke@435 | 1295 | #else |
duke@435 | 1296 | __ pop_i(O0); |
duke@435 | 1297 | __ stf(FloatRegisterImpl::S, Ftos_f, __ d_tmp); |
duke@435 | 1298 | __ ld( __ d_tmp, O1 ); |
duke@435 | 1299 | #endif |
duke@435 | 1300 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::frem)); |
duke@435 | 1301 | assert( Ftos_f == F0, "fix this code" ); |
duke@435 | 1302 | break; |
duke@435 | 1303 | |
duke@435 | 1304 | default: ShouldNotReachHere(); |
duke@435 | 1305 | } |
duke@435 | 1306 | } |
duke@435 | 1307 | |
duke@435 | 1308 | |
duke@435 | 1309 | void TemplateTable::dop2(Operation op) { |
duke@435 | 1310 | transition(dtos, dtos); |
duke@435 | 1311 | switch (op) { |
duke@435 | 1312 | case add: __ pop_d(F4); __ fadd(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
duke@435 | 1313 | case sub: __ pop_d(F4); __ fsub(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
duke@435 | 1314 | case mul: __ pop_d(F4); __ fmul(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
duke@435 | 1315 | case div: __ pop_d(F4); __ fdiv(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; |
duke@435 | 1316 | case rem: |
duke@435 | 1317 | #ifdef _LP64 |
duke@435 | 1318 | // Pass arguments in D0, D2 |
duke@435 | 1319 | __ fmov(FloatRegisterImpl::D, Ftos_f, F2 ); |
duke@435 | 1320 | __ pop_d( F0 ); |
duke@435 | 1321 | #else |
duke@435 | 1322 | // Pass arguments in O0O1, O2O3 |
duke@435 | 1323 | __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); |
duke@435 | 1324 | __ ldd( __ d_tmp, O2 ); |
duke@435 | 1325 | __ pop_d(Ftos_f); |
duke@435 | 1326 | __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); |
duke@435 | 1327 | __ ldd( __ d_tmp, O0 ); |
duke@435 | 1328 | #endif |
duke@435 | 1329 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::drem)); |
duke@435 | 1330 | assert( Ftos_d == F0, "fix this code" ); |
duke@435 | 1331 | break; |
duke@435 | 1332 | |
duke@435 | 1333 | default: ShouldNotReachHere(); |
duke@435 | 1334 | } |
duke@435 | 1335 | } |
duke@435 | 1336 | |
duke@435 | 1337 | |
duke@435 | 1338 | void TemplateTable::ineg() { |
duke@435 | 1339 | transition(itos, itos); |
duke@435 | 1340 | __ neg(Otos_i); |
duke@435 | 1341 | } |
duke@435 | 1342 | |
duke@435 | 1343 | |
duke@435 | 1344 | void TemplateTable::lneg() { |
duke@435 | 1345 | transition(ltos, ltos); |
duke@435 | 1346 | #ifdef _LP64 |
duke@435 | 1347 | __ sub(G0, Otos_l, Otos_l); |
duke@435 | 1348 | #else |
duke@435 | 1349 | __ lneg(Otos_l1, Otos_l2); |
duke@435 | 1350 | #endif |
duke@435 | 1351 | } |
duke@435 | 1352 | |
duke@435 | 1353 | |
duke@435 | 1354 | void TemplateTable::fneg() { |
duke@435 | 1355 | transition(ftos, ftos); |
duke@435 | 1356 | __ fneg(FloatRegisterImpl::S, Ftos_f); |
duke@435 | 1357 | } |
duke@435 | 1358 | |
duke@435 | 1359 | |
duke@435 | 1360 | void TemplateTable::dneg() { |
duke@435 | 1361 | transition(dtos, dtos); |
duke@435 | 1362 | // v8 has fnegd if source and dest are the same |
duke@435 | 1363 | __ fneg(FloatRegisterImpl::D, Ftos_f); |
duke@435 | 1364 | } |
duke@435 | 1365 | |
duke@435 | 1366 | |
duke@435 | 1367 | void TemplateTable::iinc() { |
duke@435 | 1368 | transition(vtos, vtos); |
duke@435 | 1369 | locals_index(G3_scratch); |
duke@435 | 1370 | __ ldsb(Lbcp, 2, O2); // load constant |
duke@435 | 1371 | __ access_local_int(G3_scratch, Otos_i); |
duke@435 | 1372 | __ add(Otos_i, O2, Otos_i); |
twisti@1861 | 1373 | __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
duke@435 | 1374 | } |
duke@435 | 1375 | |
duke@435 | 1376 | |
duke@435 | 1377 | void TemplateTable::wide_iinc() { |
duke@435 | 1378 | transition(vtos, vtos); |
duke@435 | 1379 | locals_index_wide(G3_scratch); |
duke@435 | 1380 | __ get_2_byte_integer_at_bcp( 4, O2, O3, InterpreterMacroAssembler::Signed); |
duke@435 | 1381 | __ access_local_int(G3_scratch, Otos_i); |
duke@435 | 1382 | __ add(Otos_i, O3, Otos_i); |
twisti@1861 | 1383 | __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
duke@435 | 1384 | } |
duke@435 | 1385 | |
duke@435 | 1386 | |
duke@435 | 1387 | void TemplateTable::convert() { |
duke@435 | 1388 | // %%%%% Factor this first part accross platforms |
duke@435 | 1389 | #ifdef ASSERT |
duke@435 | 1390 | TosState tos_in = ilgl; |
duke@435 | 1391 | TosState tos_out = ilgl; |
duke@435 | 1392 | switch (bytecode()) { |
duke@435 | 1393 | case Bytecodes::_i2l: // fall through |
duke@435 | 1394 | case Bytecodes::_i2f: // fall through |
duke@435 | 1395 | case Bytecodes::_i2d: // fall through |
duke@435 | 1396 | case Bytecodes::_i2b: // fall through |
duke@435 | 1397 | case Bytecodes::_i2c: // fall through |
duke@435 | 1398 | case Bytecodes::_i2s: tos_in = itos; break; |
duke@435 | 1399 | case Bytecodes::_l2i: // fall through |
duke@435 | 1400 | case Bytecodes::_l2f: // fall through |
duke@435 | 1401 | case Bytecodes::_l2d: tos_in = ltos; break; |
duke@435 | 1402 | case Bytecodes::_f2i: // fall through |
duke@435 | 1403 | case Bytecodes::_f2l: // fall through |
duke@435 | 1404 | case Bytecodes::_f2d: tos_in = ftos; break; |
duke@435 | 1405 | case Bytecodes::_d2i: // fall through |
duke@435 | 1406 | case Bytecodes::_d2l: // fall through |
duke@435 | 1407 | case Bytecodes::_d2f: tos_in = dtos; break; |
duke@435 | 1408 | default : ShouldNotReachHere(); |
duke@435 | 1409 | } |
duke@435 | 1410 | switch (bytecode()) { |
duke@435 | 1411 | case Bytecodes::_l2i: // fall through |
duke@435 | 1412 | case Bytecodes::_f2i: // fall through |
duke@435 | 1413 | case Bytecodes::_d2i: // fall through |
duke@435 | 1414 | case Bytecodes::_i2b: // fall through |
duke@435 | 1415 | case Bytecodes::_i2c: // fall through |
duke@435 | 1416 | case Bytecodes::_i2s: tos_out = itos; break; |
duke@435 | 1417 | case Bytecodes::_i2l: // fall through |
duke@435 | 1418 | case Bytecodes::_f2l: // fall through |
duke@435 | 1419 | case Bytecodes::_d2l: tos_out = ltos; break; |
duke@435 | 1420 | case Bytecodes::_i2f: // fall through |
duke@435 | 1421 | case Bytecodes::_l2f: // fall through |
duke@435 | 1422 | case Bytecodes::_d2f: tos_out = ftos; break; |
duke@435 | 1423 | case Bytecodes::_i2d: // fall through |
duke@435 | 1424 | case Bytecodes::_l2d: // fall through |
duke@435 | 1425 | case Bytecodes::_f2d: tos_out = dtos; break; |
duke@435 | 1426 | default : ShouldNotReachHere(); |
duke@435 | 1427 | } |
duke@435 | 1428 | transition(tos_in, tos_out); |
duke@435 | 1429 | #endif |
duke@435 | 1430 | |
duke@435 | 1431 | |
duke@435 | 1432 | // Conversion |
duke@435 | 1433 | Label done; |
duke@435 | 1434 | switch (bytecode()) { |
duke@435 | 1435 | case Bytecodes::_i2l: |
duke@435 | 1436 | #ifdef _LP64 |
duke@435 | 1437 | // Sign extend the 32 bits |
duke@435 | 1438 | __ sra ( Otos_i, 0, Otos_l ); |
duke@435 | 1439 | #else |
duke@435 | 1440 | __ addcc(Otos_i, 0, Otos_l2); |
duke@435 | 1441 | __ br(Assembler::greaterEqual, true, Assembler::pt, done); |
duke@435 | 1442 | __ delayed()->clr(Otos_l1); |
duke@435 | 1443 | __ set(~0, Otos_l1); |
duke@435 | 1444 | #endif |
duke@435 | 1445 | break; |
duke@435 | 1446 | |
duke@435 | 1447 | case Bytecodes::_i2f: |
duke@435 | 1448 | __ st(Otos_i, __ d_tmp ); |
duke@435 | 1449 | __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); |
duke@435 | 1450 | __ fitof(FloatRegisterImpl::S, F0, Ftos_f); |
duke@435 | 1451 | break; |
duke@435 | 1452 | |
duke@435 | 1453 | case Bytecodes::_i2d: |
duke@435 | 1454 | __ st(Otos_i, __ d_tmp); |
duke@435 | 1455 | __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); |
duke@435 | 1456 | __ fitof(FloatRegisterImpl::D, F0, Ftos_f); |
duke@435 | 1457 | break; |
duke@435 | 1458 | |
duke@435 | 1459 | case Bytecodes::_i2b: |
duke@435 | 1460 | __ sll(Otos_i, 24, Otos_i); |
duke@435 | 1461 | __ sra(Otos_i, 24, Otos_i); |
duke@435 | 1462 | break; |
duke@435 | 1463 | |
duke@435 | 1464 | case Bytecodes::_i2c: |
duke@435 | 1465 | __ sll(Otos_i, 16, Otos_i); |
duke@435 | 1466 | __ srl(Otos_i, 16, Otos_i); |
duke@435 | 1467 | break; |
duke@435 | 1468 | |
duke@435 | 1469 | case Bytecodes::_i2s: |
duke@435 | 1470 | __ sll(Otos_i, 16, Otos_i); |
duke@435 | 1471 | __ sra(Otos_i, 16, Otos_i); |
duke@435 | 1472 | break; |
duke@435 | 1473 | |
duke@435 | 1474 | case Bytecodes::_l2i: |
duke@435 | 1475 | #ifndef _LP64 |
duke@435 | 1476 | __ mov(Otos_l2, Otos_i); |
duke@435 | 1477 | #else |
duke@435 | 1478 | // Sign-extend into the high 32 bits |
duke@435 | 1479 | __ sra(Otos_l, 0, Otos_i); |
duke@435 | 1480 | #endif |
duke@435 | 1481 | break; |
duke@435 | 1482 | |
duke@435 | 1483 | case Bytecodes::_l2f: |
duke@435 | 1484 | case Bytecodes::_l2d: |
duke@435 | 1485 | __ st_long(Otos_l, __ d_tmp); |
duke@435 | 1486 | __ ldf(FloatRegisterImpl::D, __ d_tmp, Ftos_d); |
duke@435 | 1487 | |
duke@435 | 1488 | if (VM_Version::v9_instructions_work()) { |
duke@435 | 1489 | if (bytecode() == Bytecodes::_l2f) { |
duke@435 | 1490 | __ fxtof(FloatRegisterImpl::S, Ftos_d, Ftos_f); |
duke@435 | 1491 | } else { |
duke@435 | 1492 | __ fxtof(FloatRegisterImpl::D, Ftos_d, Ftos_d); |
duke@435 | 1493 | } |
duke@435 | 1494 | } else { |
duke@435 | 1495 | __ call_VM_leaf( |
duke@435 | 1496 | Lscratch, |
duke@435 | 1497 | bytecode() == Bytecodes::_l2f |
duke@435 | 1498 | ? CAST_FROM_FN_PTR(address, SharedRuntime::l2f) |
duke@435 | 1499 | : CAST_FROM_FN_PTR(address, SharedRuntime::l2d) |
duke@435 | 1500 | ); |
duke@435 | 1501 | } |
duke@435 | 1502 | break; |
duke@435 | 1503 | |
duke@435 | 1504 | case Bytecodes::_f2i: { |
duke@435 | 1505 | Label isNaN; |
duke@435 | 1506 | // result must be 0 if value is NaN; test by comparing value to itself |
duke@435 | 1507 | __ fcmp(FloatRegisterImpl::S, Assembler::fcc0, Ftos_f, Ftos_f); |
duke@435 | 1508 | // According to the v8 manual, you have to have a non-fp instruction |
duke@435 | 1509 | // between fcmp and fb. |
duke@435 | 1510 | if (!VM_Version::v9_instructions_work()) { |
duke@435 | 1511 | __ nop(); |
duke@435 | 1512 | } |
duke@435 | 1513 | __ fb(Assembler::f_unordered, true, Assembler::pn, isNaN); |
duke@435 | 1514 | __ delayed()->clr(Otos_i); // NaN |
duke@435 | 1515 | __ ftoi(FloatRegisterImpl::S, Ftos_f, F30); |
duke@435 | 1516 | __ stf(FloatRegisterImpl::S, F30, __ d_tmp); |
duke@435 | 1517 | __ ld(__ d_tmp, Otos_i); |
duke@435 | 1518 | __ bind(isNaN); |
duke@435 | 1519 | } |
duke@435 | 1520 | break; |
duke@435 | 1521 | |
duke@435 | 1522 | case Bytecodes::_f2l: |
duke@435 | 1523 | // must uncache tos |
duke@435 | 1524 | __ push_f(); |
duke@435 | 1525 | #ifdef _LP64 |
duke@435 | 1526 | __ pop_f(F1); |
duke@435 | 1527 | #else |
duke@435 | 1528 | __ pop_i(O0); |
duke@435 | 1529 | #endif |
duke@435 | 1530 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::f2l)); |
duke@435 | 1531 | break; |
duke@435 | 1532 | |
duke@435 | 1533 | case Bytecodes::_f2d: |
duke@435 | 1534 | __ ftof( FloatRegisterImpl::S, FloatRegisterImpl::D, Ftos_f, Ftos_f); |
duke@435 | 1535 | break; |
duke@435 | 1536 | |
duke@435 | 1537 | case Bytecodes::_d2i: |
duke@435 | 1538 | case Bytecodes::_d2l: |
duke@435 | 1539 | // must uncache tos |
duke@435 | 1540 | __ push_d(); |
duke@435 | 1541 | #ifdef _LP64 |
duke@435 | 1542 | // LP64 calling conventions pass first double arg in D0 |
duke@435 | 1543 | __ pop_d( Ftos_d ); |
duke@435 | 1544 | #else |
duke@435 | 1545 | __ pop_i( O0 ); |
duke@435 | 1546 | __ pop_i( O1 ); |
duke@435 | 1547 | #endif |
duke@435 | 1548 | __ call_VM_leaf(Lscratch, |
duke@435 | 1549 | bytecode() == Bytecodes::_d2i |
duke@435 | 1550 | ? CAST_FROM_FN_PTR(address, SharedRuntime::d2i) |
duke@435 | 1551 | : CAST_FROM_FN_PTR(address, SharedRuntime::d2l)); |
duke@435 | 1552 | break; |
duke@435 | 1553 | |
duke@435 | 1554 | case Bytecodes::_d2f: |
duke@435 | 1555 | if (VM_Version::v9_instructions_work()) { |
duke@435 | 1556 | __ ftof( FloatRegisterImpl::D, FloatRegisterImpl::S, Ftos_d, Ftos_f); |
duke@435 | 1557 | } |
duke@435 | 1558 | else { |
duke@435 | 1559 | // must uncache tos |
duke@435 | 1560 | __ push_d(); |
duke@435 | 1561 | __ pop_i(O0); |
duke@435 | 1562 | __ pop_i(O1); |
duke@435 | 1563 | __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::d2f)); |
duke@435 | 1564 | } |
duke@435 | 1565 | break; |
duke@435 | 1566 | |
duke@435 | 1567 | default: ShouldNotReachHere(); |
duke@435 | 1568 | } |
duke@435 | 1569 | __ bind(done); |
duke@435 | 1570 | } |
duke@435 | 1571 | |
duke@435 | 1572 | |
duke@435 | 1573 | void TemplateTable::lcmp() { |
duke@435 | 1574 | transition(ltos, itos); |
duke@435 | 1575 | |
duke@435 | 1576 | #ifdef _LP64 |
duke@435 | 1577 | __ pop_l(O1); // pop off value 1, value 2 is in O0 |
duke@435 | 1578 | __ lcmp( O1, Otos_l, Otos_i ); |
duke@435 | 1579 | #else |
duke@435 | 1580 | __ pop_l(O2); // cmp O2,3 to O0,1 |
duke@435 | 1581 | __ lcmp( O2, O3, Otos_l1, Otos_l2, Otos_i ); |
duke@435 | 1582 | #endif |
duke@435 | 1583 | } |
duke@435 | 1584 | |
duke@435 | 1585 | |
duke@435 | 1586 | void TemplateTable::float_cmp(bool is_float, int unordered_result) { |
duke@435 | 1587 | |
duke@435 | 1588 | if (is_float) __ pop_f(F2); |
duke@435 | 1589 | else __ pop_d(F2); |
duke@435 | 1590 | |
duke@435 | 1591 | assert(Ftos_f == F0 && Ftos_d == F0, "alias checking:"); |
duke@435 | 1592 | |
duke@435 | 1593 | __ float_cmp( is_float, unordered_result, F2, F0, Otos_i ); |
duke@435 | 1594 | } |
duke@435 | 1595 | |
duke@435 | 1596 | void TemplateTable::branch(bool is_jsr, bool is_wide) { |
duke@435 | 1597 | // Note: on SPARC, we use InterpreterMacroAssembler::if_cmp also. |
duke@435 | 1598 | __ verify_oop(Lmethod); |
duke@435 | 1599 | __ verify_thread(); |
duke@435 | 1600 | |
duke@435 | 1601 | const Register O2_bumped_count = O2; |
duke@435 | 1602 | __ profile_taken_branch(G3_scratch, O2_bumped_count); |
duke@435 | 1603 | |
duke@435 | 1604 | // get (wide) offset to O1_disp |
duke@435 | 1605 | const Register O1_disp = O1; |
duke@435 | 1606 | if (is_wide) __ get_4_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::set_CC); |
duke@435 | 1607 | else __ get_2_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::Signed, InterpreterMacroAssembler::set_CC); |
duke@435 | 1608 | |
duke@435 | 1609 | // Handle all the JSR stuff here, then exit. |
duke@435 | 1610 | // It's much shorter and cleaner than intermingling with the |
twisti@1040 | 1611 | // non-JSR normal-branch stuff occurring below. |
duke@435 | 1612 | if( is_jsr ) { |
duke@435 | 1613 | // compute return address as bci in Otos_i |
twisti@1162 | 1614 | __ ld_ptr(Lmethod, methodOopDesc::const_offset(), G3_scratch); |
duke@435 | 1615 | __ sub(Lbcp, G3_scratch, G3_scratch); |
duke@435 | 1616 | __ sub(G3_scratch, in_bytes(constMethodOopDesc::codes_offset()) - (is_wide ? 5 : 3), Otos_i); |
duke@435 | 1617 | |
duke@435 | 1618 | // Bump Lbcp to target of JSR |
duke@435 | 1619 | __ add(Lbcp, O1_disp, Lbcp); |
duke@435 | 1620 | // Push returnAddress for "ret" on stack |
twisti@1861 | 1621 | __ push_ptr(Otos_i); |
duke@435 | 1622 | // And away we go! |
duke@435 | 1623 | __ dispatch_next(vtos); |
duke@435 | 1624 | return; |
duke@435 | 1625 | } |
duke@435 | 1626 | |
duke@435 | 1627 | // Normal (non-jsr) branch handling |
duke@435 | 1628 | |
duke@435 | 1629 | // Save the current Lbcp |
duke@435 | 1630 | const Register O0_cur_bcp = O0; |
duke@435 | 1631 | __ mov( Lbcp, O0_cur_bcp ); |
duke@435 | 1632 | |
iveresov@2138 | 1633 | |
duke@435 | 1634 | bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter; |
duke@435 | 1635 | if ( increment_invocation_counter_for_backward_branches ) { |
duke@435 | 1636 | Label Lforward; |
duke@435 | 1637 | // check branch direction |
duke@435 | 1638 | __ br( Assembler::positive, false, Assembler::pn, Lforward ); |
duke@435 | 1639 | // Bump bytecode pointer by displacement (take the branch) |
duke@435 | 1640 | __ delayed()->add( O1_disp, Lbcp, Lbcp ); // add to bc addr |
duke@435 | 1641 | |
iveresov@2138 | 1642 | if (TieredCompilation) { |
iveresov@2138 | 1643 | Label Lno_mdo, Loverflow; |
iveresov@2138 | 1644 | int increment = InvocationCounter::count_increment; |
iveresov@2138 | 1645 | int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; |
iveresov@2138 | 1646 | if (ProfileInterpreter) { |
iveresov@2138 | 1647 | // If no method data exists, go to profile_continue. |
iveresov@2138 | 1648 | __ ld_ptr(Lmethod, methodOopDesc::method_data_offset(), G4_scratch); |
kvn@3037 | 1649 | __ br_null_short(G4_scratch, Assembler::pn, Lno_mdo); |
iveresov@2138 | 1650 | |
iveresov@2138 | 1651 | // Increment backedge counter in the MDO |
iveresov@2138 | 1652 | Address mdo_backedge_counter(G4_scratch, in_bytes(methodDataOopDesc::backedge_counter_offset()) + |
iveresov@2138 | 1653 | in_bytes(InvocationCounter::counter_offset())); |
iveresov@2138 | 1654 | __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, G3_scratch, Lscratch, |
iveresov@2138 | 1655 | Assembler::notZero, &Lforward); |
kvn@3037 | 1656 | __ ba_short(Loverflow); |
duke@435 | 1657 | } |
iveresov@2138 | 1658 | |
iveresov@2138 | 1659 | // If there's no MDO, increment counter in methodOop |
iveresov@2138 | 1660 | __ bind(Lno_mdo); |
iveresov@2138 | 1661 | Address backedge_counter(Lmethod, in_bytes(methodOopDesc::backedge_counter_offset()) + |
iveresov@2138 | 1662 | in_bytes(InvocationCounter::counter_offset())); |
iveresov@2138 | 1663 | __ increment_mask_and_jump(backedge_counter, increment, mask, G3_scratch, Lscratch, |
iveresov@2138 | 1664 | Assembler::notZero, &Lforward); |
iveresov@2138 | 1665 | __ bind(Loverflow); |
iveresov@2138 | 1666 | |
iveresov@2138 | 1667 | // notify point for loop, pass branch bytecode |
iveresov@2138 | 1668 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), O0_cur_bcp); |
iveresov@2138 | 1669 | |
iveresov@2138 | 1670 | // Was an OSR adapter generated? |
iveresov@2138 | 1671 | // O0 = osr nmethod |
kvn@3037 | 1672 | __ br_null_short(O0, Assembler::pn, Lforward); |
iveresov@2138 | 1673 | |
iveresov@2138 | 1674 | // Has the nmethod been invalidated already? |
iveresov@2138 | 1675 | __ ld(O0, nmethod::entry_bci_offset(), O2); |
kvn@3037 | 1676 | __ cmp_and_br_short(O2, InvalidOSREntryBci, Assembler::equal, Assembler::pn, Lforward); |
iveresov@2138 | 1677 | |
iveresov@2138 | 1678 | // migrate the interpreter frame off of the stack |
iveresov@2138 | 1679 | |
iveresov@2138 | 1680 | __ mov(G2_thread, L7); |
iveresov@2138 | 1681 | // save nmethod |
iveresov@2138 | 1682 | __ mov(O0, L6); |
iveresov@2138 | 1683 | __ set_last_Java_frame(SP, noreg); |
iveresov@2138 | 1684 | __ call_VM_leaf(noreg, CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), L7); |
iveresov@2138 | 1685 | __ reset_last_Java_frame(); |
iveresov@2138 | 1686 | __ mov(L7, G2_thread); |
iveresov@2138 | 1687 | |
iveresov@2138 | 1688 | // move OSR nmethod to I1 |
iveresov@2138 | 1689 | __ mov(L6, I1); |
iveresov@2138 | 1690 | |
iveresov@2138 | 1691 | // OSR buffer to I0 |
iveresov@2138 | 1692 | __ mov(O0, I0); |
iveresov@2138 | 1693 | |
iveresov@2138 | 1694 | // remove the interpreter frame |
iveresov@2138 | 1695 | __ restore(I5_savedSP, 0, SP); |
iveresov@2138 | 1696 | |
iveresov@2138 | 1697 | // Jump to the osr code. |
iveresov@2138 | 1698 | __ ld_ptr(O1, nmethod::osr_entry_point_offset(), O2); |
iveresov@2138 | 1699 | __ jmp(O2, G0); |
iveresov@2138 | 1700 | __ delayed()->nop(); |
iveresov@2138 | 1701 | |
duke@435 | 1702 | } else { |
iveresov@2138 | 1703 | // Update Backedge branch separately from invocations |
iveresov@2138 | 1704 | const Register G4_invoke_ctr = G4; |
iveresov@2138 | 1705 | __ increment_backedge_counter(G4_invoke_ctr, G1_scratch); |
iveresov@2138 | 1706 | if (ProfileInterpreter) { |
iveresov@2438 | 1707 | __ test_invocation_counter_for_mdp(G4_invoke_ctr, G3_scratch, Lforward); |
iveresov@2138 | 1708 | if (UseOnStackReplacement) { |
iveresov@2138 | 1709 | __ test_backedge_count_for_osr(O2_bumped_count, O0_cur_bcp, G3_scratch); |
iveresov@2138 | 1710 | } |
iveresov@2138 | 1711 | } else { |
iveresov@2138 | 1712 | if (UseOnStackReplacement) { |
iveresov@2138 | 1713 | __ test_backedge_count_for_osr(G4_invoke_ctr, O0_cur_bcp, G3_scratch); |
iveresov@2138 | 1714 | } |
duke@435 | 1715 | } |
duke@435 | 1716 | } |
duke@435 | 1717 | |
duke@435 | 1718 | __ bind(Lforward); |
duke@435 | 1719 | } else |
duke@435 | 1720 | // Bump bytecode pointer by displacement (take the branch) |
duke@435 | 1721 | __ add( O1_disp, Lbcp, Lbcp );// add to bc addr |
duke@435 | 1722 | |
duke@435 | 1723 | // continue with bytecode @ target |
duke@435 | 1724 | // %%%%% Like Intel, could speed things up by moving bytecode fetch to code above, |
duke@435 | 1725 | // %%%%% and changing dispatch_next to dispatch_only |
duke@435 | 1726 | __ dispatch_next(vtos); |
duke@435 | 1727 | } |
duke@435 | 1728 | |
duke@435 | 1729 | |
duke@435 | 1730 | // Note Condition in argument is TemplateTable::Condition |
duke@435 | 1731 | // arg scope is within class scope |
duke@435 | 1732 | |
duke@435 | 1733 | void TemplateTable::if_0cmp(Condition cc) { |
duke@435 | 1734 | // no pointers, integer only! |
duke@435 | 1735 | transition(itos, vtos); |
duke@435 | 1736 | // assume branch is more often taken than not (loops use backward branches) |
duke@435 | 1737 | __ cmp( Otos_i, 0); |
duke@435 | 1738 | __ if_cmp(ccNot(cc), false); |
duke@435 | 1739 | } |
duke@435 | 1740 | |
duke@435 | 1741 | |
duke@435 | 1742 | void TemplateTable::if_icmp(Condition cc) { |
duke@435 | 1743 | transition(itos, vtos); |
duke@435 | 1744 | __ pop_i(O1); |
duke@435 | 1745 | __ cmp(O1, Otos_i); |
duke@435 | 1746 | __ if_cmp(ccNot(cc), false); |
duke@435 | 1747 | } |
duke@435 | 1748 | |
duke@435 | 1749 | |
duke@435 | 1750 | void TemplateTable::if_nullcmp(Condition cc) { |
duke@435 | 1751 | transition(atos, vtos); |
duke@435 | 1752 | __ tst(Otos_i); |
duke@435 | 1753 | __ if_cmp(ccNot(cc), true); |
duke@435 | 1754 | } |
duke@435 | 1755 | |
duke@435 | 1756 | |
duke@435 | 1757 | void TemplateTable::if_acmp(Condition cc) { |
duke@435 | 1758 | transition(atos, vtos); |
duke@435 | 1759 | __ pop_ptr(O1); |
duke@435 | 1760 | __ verify_oop(O1); |
duke@435 | 1761 | __ verify_oop(Otos_i); |
duke@435 | 1762 | __ cmp(O1, Otos_i); |
duke@435 | 1763 | __ if_cmp(ccNot(cc), true); |
duke@435 | 1764 | } |
duke@435 | 1765 | |
duke@435 | 1766 | |
duke@435 | 1767 | |
duke@435 | 1768 | void TemplateTable::ret() { |
duke@435 | 1769 | transition(vtos, vtos); |
duke@435 | 1770 | locals_index(G3_scratch); |
duke@435 | 1771 | __ access_local_returnAddress(G3_scratch, Otos_i); |
duke@435 | 1772 | // Otos_i contains the bci, compute the bcp from that |
duke@435 | 1773 | |
duke@435 | 1774 | #ifdef _LP64 |
duke@435 | 1775 | #ifdef ASSERT |
duke@435 | 1776 | // jsr result was labeled as an 'itos' not an 'atos' because we cannot GC |
duke@435 | 1777 | // the result. The return address (really a BCI) was stored with an |
duke@435 | 1778 | // 'astore' because JVM specs claim it's a pointer-sized thing. Hence in |
duke@435 | 1779 | // the 64-bit build the 32-bit BCI is actually in the low bits of a 64-bit |
duke@435 | 1780 | // loaded value. |
duke@435 | 1781 | { Label zzz ; |
duke@435 | 1782 | __ set (65536, G3_scratch) ; |
duke@435 | 1783 | __ cmp (Otos_i, G3_scratch) ; |
duke@435 | 1784 | __ bp( Assembler::lessEqualUnsigned, false, Assembler::xcc, Assembler::pn, zzz); |
duke@435 | 1785 | __ delayed()->nop(); |
duke@435 | 1786 | __ stop("BCI is in the wrong register half?"); |
duke@435 | 1787 | __ bind (zzz) ; |
duke@435 | 1788 | } |
duke@435 | 1789 | #endif |
duke@435 | 1790 | #endif |
duke@435 | 1791 | |
duke@435 | 1792 | __ profile_ret(vtos, Otos_i, G4_scratch); |
duke@435 | 1793 | |
twisti@1162 | 1794 | __ ld_ptr(Lmethod, methodOopDesc::const_offset(), G3_scratch); |
duke@435 | 1795 | __ add(G3_scratch, Otos_i, G3_scratch); |
duke@435 | 1796 | __ add(G3_scratch, in_bytes(constMethodOopDesc::codes_offset()), Lbcp); |
duke@435 | 1797 | __ dispatch_next(vtos); |
duke@435 | 1798 | } |
duke@435 | 1799 | |
duke@435 | 1800 | |
duke@435 | 1801 | void TemplateTable::wide_ret() { |
duke@435 | 1802 | transition(vtos, vtos); |
duke@435 | 1803 | locals_index_wide(G3_scratch); |
duke@435 | 1804 | __ access_local_returnAddress(G3_scratch, Otos_i); |
duke@435 | 1805 | // Otos_i contains the bci, compute the bcp from that |
duke@435 | 1806 | |
duke@435 | 1807 | __ profile_ret(vtos, Otos_i, G4_scratch); |
duke@435 | 1808 | |
twisti@1162 | 1809 | __ ld_ptr(Lmethod, methodOopDesc::const_offset(), G3_scratch); |
duke@435 | 1810 | __ add(G3_scratch, Otos_i, G3_scratch); |
duke@435 | 1811 | __ add(G3_scratch, in_bytes(constMethodOopDesc::codes_offset()), Lbcp); |
duke@435 | 1812 | __ dispatch_next(vtos); |
duke@435 | 1813 | } |
duke@435 | 1814 | |
duke@435 | 1815 | |
duke@435 | 1816 | void TemplateTable::tableswitch() { |
duke@435 | 1817 | transition(itos, vtos); |
duke@435 | 1818 | Label default_case, continue_execution; |
duke@435 | 1819 | |
duke@435 | 1820 | // align bcp |
duke@435 | 1821 | __ add(Lbcp, BytesPerInt, O1); |
duke@435 | 1822 | __ and3(O1, -BytesPerInt, O1); |
duke@435 | 1823 | // load lo, hi |
duke@435 | 1824 | __ ld(O1, 1 * BytesPerInt, O2); // Low Byte |
duke@435 | 1825 | __ ld(O1, 2 * BytesPerInt, O3); // High Byte |
duke@435 | 1826 | #ifdef _LP64 |
duke@435 | 1827 | // Sign extend the 32 bits |
duke@435 | 1828 | __ sra ( Otos_i, 0, Otos_i ); |
duke@435 | 1829 | #endif /* _LP64 */ |
duke@435 | 1830 | |
duke@435 | 1831 | // check against lo & hi |
duke@435 | 1832 | __ cmp( Otos_i, O2); |
duke@435 | 1833 | __ br( Assembler::less, false, Assembler::pn, default_case); |
duke@435 | 1834 | __ delayed()->cmp( Otos_i, O3 ); |
duke@435 | 1835 | __ br( Assembler::greater, false, Assembler::pn, default_case); |
duke@435 | 1836 | // lookup dispatch offset |
duke@435 | 1837 | __ delayed()->sub(Otos_i, O2, O2); |
duke@435 | 1838 | __ profile_switch_case(O2, O3, G3_scratch, G4_scratch); |
duke@435 | 1839 | __ sll(O2, LogBytesPerInt, O2); |
duke@435 | 1840 | __ add(O2, 3 * BytesPerInt, O2); |
kvn@3037 | 1841 | __ ba(continue_execution); |
duke@435 | 1842 | __ delayed()->ld(O1, O2, O2); |
duke@435 | 1843 | // handle default |
duke@435 | 1844 | __ bind(default_case); |
duke@435 | 1845 | __ profile_switch_default(O3); |
duke@435 | 1846 | __ ld(O1, 0, O2); // get default offset |
duke@435 | 1847 | // continue execution |
duke@435 | 1848 | __ bind(continue_execution); |
duke@435 | 1849 | __ add(Lbcp, O2, Lbcp); |
duke@435 | 1850 | __ dispatch_next(vtos); |
duke@435 | 1851 | } |
duke@435 | 1852 | |
duke@435 | 1853 | |
duke@435 | 1854 | void TemplateTable::lookupswitch() { |
duke@435 | 1855 | transition(itos, itos); |
duke@435 | 1856 | __ stop("lookupswitch bytecode should have been rewritten"); |
duke@435 | 1857 | } |
duke@435 | 1858 | |
duke@435 | 1859 | void TemplateTable::fast_linearswitch() { |
duke@435 | 1860 | transition(itos, vtos); |
duke@435 | 1861 | Label loop_entry, loop, found, continue_execution; |
duke@435 | 1862 | // align bcp |
duke@435 | 1863 | __ add(Lbcp, BytesPerInt, O1); |
duke@435 | 1864 | __ and3(O1, -BytesPerInt, O1); |
duke@435 | 1865 | // set counter |
duke@435 | 1866 | __ ld(O1, BytesPerInt, O2); |
duke@435 | 1867 | __ sll(O2, LogBytesPerInt + 1, O2); // in word-pairs |
duke@435 | 1868 | __ add(O1, 2 * BytesPerInt, O3); // set first pair addr |
kvn@3037 | 1869 | __ ba(loop_entry); |
duke@435 | 1870 | __ delayed()->add(O3, O2, O2); // counter now points past last pair |
duke@435 | 1871 | |
duke@435 | 1872 | // table search |
duke@435 | 1873 | __ bind(loop); |
duke@435 | 1874 | __ cmp(O4, Otos_i); |
duke@435 | 1875 | __ br(Assembler::equal, true, Assembler::pn, found); |
duke@435 | 1876 | __ delayed()->ld(O3, BytesPerInt, O4); // offset -> O4 |
duke@435 | 1877 | __ inc(O3, 2 * BytesPerInt); |
duke@435 | 1878 | |
duke@435 | 1879 | __ bind(loop_entry); |
duke@435 | 1880 | __ cmp(O2, O3); |
duke@435 | 1881 | __ brx(Assembler::greaterUnsigned, true, Assembler::pt, loop); |
duke@435 | 1882 | __ delayed()->ld(O3, 0, O4); |
duke@435 | 1883 | |
duke@435 | 1884 | // default case |
duke@435 | 1885 | __ ld(O1, 0, O4); // get default offset |
duke@435 | 1886 | if (ProfileInterpreter) { |
duke@435 | 1887 | __ profile_switch_default(O3); |
kvn@3037 | 1888 | __ ba_short(continue_execution); |
duke@435 | 1889 | } |
duke@435 | 1890 | |
duke@435 | 1891 | // entry found -> get offset |
duke@435 | 1892 | __ bind(found); |
duke@435 | 1893 | if (ProfileInterpreter) { |
duke@435 | 1894 | __ sub(O3, O1, O3); |
duke@435 | 1895 | __ sub(O3, 2*BytesPerInt, O3); |
duke@435 | 1896 | __ srl(O3, LogBytesPerInt + 1, O3); // in word-pairs |
duke@435 | 1897 | __ profile_switch_case(O3, O1, O2, G3_scratch); |
duke@435 | 1898 | |
duke@435 | 1899 | __ bind(continue_execution); |
duke@435 | 1900 | } |
duke@435 | 1901 | __ add(Lbcp, O4, Lbcp); |
duke@435 | 1902 | __ dispatch_next(vtos); |
duke@435 | 1903 | } |
duke@435 | 1904 | |
duke@435 | 1905 | |
duke@435 | 1906 | void TemplateTable::fast_binaryswitch() { |
duke@435 | 1907 | transition(itos, vtos); |
duke@435 | 1908 | // Implementation using the following core algorithm: (copied from Intel) |
duke@435 | 1909 | // |
duke@435 | 1910 | // int binary_search(int key, LookupswitchPair* array, int n) { |
duke@435 | 1911 | // // Binary search according to "Methodik des Programmierens" by |
duke@435 | 1912 | // // Edsger W. Dijkstra and W.H.J. Feijen, Addison Wesley Germany 1985. |
duke@435 | 1913 | // int i = 0; |
duke@435 | 1914 | // int j = n; |
duke@435 | 1915 | // while (i+1 < j) { |
duke@435 | 1916 | // // invariant P: 0 <= i < j <= n and (a[i] <= key < a[j] or Q) |
duke@435 | 1917 | // // with Q: for all i: 0 <= i < n: key < a[i] |
duke@435 | 1918 | // // where a stands for the array and assuming that the (inexisting) |
duke@435 | 1919 | // // element a[n] is infinitely big. |
duke@435 | 1920 | // int h = (i + j) >> 1; |
duke@435 | 1921 | // // i < h < j |
duke@435 | 1922 | // if (key < array[h].fast_match()) { |
duke@435 | 1923 | // j = h; |
duke@435 | 1924 | // } else { |
duke@435 | 1925 | // i = h; |
duke@435 | 1926 | // } |
duke@435 | 1927 | // } |
duke@435 | 1928 | // // R: a[i] <= key < a[i+1] or Q |
duke@435 | 1929 | // // (i.e., if key is within array, i is the correct index) |
duke@435 | 1930 | // return i; |
duke@435 | 1931 | // } |
duke@435 | 1932 | |
duke@435 | 1933 | // register allocation |
duke@435 | 1934 | assert(Otos_i == O0, "alias checking"); |
duke@435 | 1935 | const Register Rkey = Otos_i; // already set (tosca) |
duke@435 | 1936 | const Register Rarray = O1; |
duke@435 | 1937 | const Register Ri = O2; |
duke@435 | 1938 | const Register Rj = O3; |
duke@435 | 1939 | const Register Rh = O4; |
duke@435 | 1940 | const Register Rscratch = O5; |
duke@435 | 1941 | |
duke@435 | 1942 | const int log_entry_size = 3; |
duke@435 | 1943 | const int entry_size = 1 << log_entry_size; |
duke@435 | 1944 | |
duke@435 | 1945 | Label found; |
duke@435 | 1946 | // Find Array start |
duke@435 | 1947 | __ add(Lbcp, 3 * BytesPerInt, Rarray); |
duke@435 | 1948 | __ and3(Rarray, -BytesPerInt, Rarray); |
duke@435 | 1949 | // initialize i & j (in delay slot) |
duke@435 | 1950 | __ clr( Ri ); |
duke@435 | 1951 | |
duke@435 | 1952 | // and start |
duke@435 | 1953 | Label entry; |
kvn@3037 | 1954 | __ ba(entry); |
duke@435 | 1955 | __ delayed()->ld( Rarray, -BytesPerInt, Rj); |
duke@435 | 1956 | // (Rj is already in the native byte-ordering.) |
duke@435 | 1957 | |
duke@435 | 1958 | // binary search loop |
duke@435 | 1959 | { Label loop; |
duke@435 | 1960 | __ bind( loop ); |
duke@435 | 1961 | // int h = (i + j) >> 1; |
duke@435 | 1962 | __ sra( Rh, 1, Rh ); |
duke@435 | 1963 | // if (key < array[h].fast_match()) { |
duke@435 | 1964 | // j = h; |
duke@435 | 1965 | // } else { |
duke@435 | 1966 | // i = h; |
duke@435 | 1967 | // } |
duke@435 | 1968 | __ sll( Rh, log_entry_size, Rscratch ); |
duke@435 | 1969 | __ ld( Rarray, Rscratch, Rscratch ); |
duke@435 | 1970 | // (Rscratch is already in the native byte-ordering.) |
duke@435 | 1971 | __ cmp( Rkey, Rscratch ); |
duke@435 | 1972 | if ( VM_Version::v9_instructions_work() ) { |
duke@435 | 1973 | __ movcc( Assembler::less, false, Assembler::icc, Rh, Rj ); // j = h if (key < array[h].fast_match()) |
duke@435 | 1974 | __ movcc( Assembler::greaterEqual, false, Assembler::icc, Rh, Ri ); // i = h if (key >= array[h].fast_match()) |
duke@435 | 1975 | } |
duke@435 | 1976 | else { |
duke@435 | 1977 | Label end_of_if; |
duke@435 | 1978 | __ br( Assembler::less, true, Assembler::pt, end_of_if ); |
duke@435 | 1979 | __ delayed()->mov( Rh, Rj ); // if (<) Rj = Rh |
duke@435 | 1980 | __ mov( Rh, Ri ); // else i = h |
duke@435 | 1981 | __ bind(end_of_if); // } |
duke@435 | 1982 | } |
duke@435 | 1983 | |
duke@435 | 1984 | // while (i+1 < j) |
duke@435 | 1985 | __ bind( entry ); |
duke@435 | 1986 | __ add( Ri, 1, Rscratch ); |
duke@435 | 1987 | __ cmp(Rscratch, Rj); |
duke@435 | 1988 | __ br( Assembler::less, true, Assembler::pt, loop ); |
duke@435 | 1989 | __ delayed()->add( Ri, Rj, Rh ); // start h = i + j >> 1; |
duke@435 | 1990 | } |
duke@435 | 1991 | |
duke@435 | 1992 | // end of binary search, result index is i (must check again!) |
duke@435 | 1993 | Label default_case; |
duke@435 | 1994 | Label continue_execution; |
duke@435 | 1995 | if (ProfileInterpreter) { |
duke@435 | 1996 | __ mov( Ri, Rh ); // Save index in i for profiling |
duke@435 | 1997 | } |
duke@435 | 1998 | __ sll( Ri, log_entry_size, Ri ); |
duke@435 | 1999 | __ ld( Rarray, Ri, Rscratch ); |
duke@435 | 2000 | // (Rscratch is already in the native byte-ordering.) |
duke@435 | 2001 | __ cmp( Rkey, Rscratch ); |
duke@435 | 2002 | __ br( Assembler::notEqual, true, Assembler::pn, default_case ); |
duke@435 | 2003 | __ delayed()->ld( Rarray, -2 * BytesPerInt, Rj ); // load default offset -> j |
duke@435 | 2004 | |
duke@435 | 2005 | // entry found -> j = offset |
duke@435 | 2006 | __ inc( Ri, BytesPerInt ); |
duke@435 | 2007 | __ profile_switch_case(Rh, Rj, Rscratch, Rkey); |
duke@435 | 2008 | __ ld( Rarray, Ri, Rj ); |
duke@435 | 2009 | // (Rj is already in the native byte-ordering.) |
duke@435 | 2010 | |
duke@435 | 2011 | if (ProfileInterpreter) { |
kvn@3037 | 2012 | __ ba_short(continue_execution); |
duke@435 | 2013 | } |
duke@435 | 2014 | |
duke@435 | 2015 | __ bind(default_case); // fall through (if not profiling) |
duke@435 | 2016 | __ profile_switch_default(Ri); |
duke@435 | 2017 | |
duke@435 | 2018 | __ bind(continue_execution); |
duke@435 | 2019 | __ add( Lbcp, Rj, Lbcp ); |
duke@435 | 2020 | __ dispatch_next( vtos ); |
duke@435 | 2021 | } |
duke@435 | 2022 | |
duke@435 | 2023 | |
duke@435 | 2024 | void TemplateTable::_return(TosState state) { |
duke@435 | 2025 | transition(state, state); |
duke@435 | 2026 | assert(_desc->calls_vm(), "inconsistent calls_vm information"); |
duke@435 | 2027 | |
duke@435 | 2028 | if (_desc->bytecode() == Bytecodes::_return_register_finalizer) { |
duke@435 | 2029 | assert(state == vtos, "only valid state"); |
duke@435 | 2030 | __ mov(G0, G3_scratch); |
duke@435 | 2031 | __ access_local_ptr(G3_scratch, Otos_i); |
coleenp@548 | 2032 | __ load_klass(Otos_i, O2); |
duke@435 | 2033 | __ set(JVM_ACC_HAS_FINALIZER, G3); |
stefank@3391 | 2034 | __ ld(O2, in_bytes(Klass::access_flags_offset()), O2); |
duke@435 | 2035 | __ andcc(G3, O2, G0); |
duke@435 | 2036 | Label skip_register_finalizer; |
duke@435 | 2037 | __ br(Assembler::zero, false, Assembler::pn, skip_register_finalizer); |
duke@435 | 2038 | __ delayed()->nop(); |
duke@435 | 2039 | |
duke@435 | 2040 | // Call out to do finalizer registration |
duke@435 | 2041 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), Otos_i); |
duke@435 | 2042 | |
duke@435 | 2043 | __ bind(skip_register_finalizer); |
duke@435 | 2044 | } |
duke@435 | 2045 | |
duke@435 | 2046 | __ remove_activation(state, /* throw_monitor_exception */ true); |
duke@435 | 2047 | |
duke@435 | 2048 | // The caller's SP was adjusted upon method entry to accomodate |
duke@435 | 2049 | // the callee's non-argument locals. Undo that adjustment. |
duke@435 | 2050 | __ ret(); // return to caller |
duke@435 | 2051 | __ delayed()->restore(I5_savedSP, G0, SP); |
duke@435 | 2052 | } |
duke@435 | 2053 | |
duke@435 | 2054 | |
duke@435 | 2055 | // ---------------------------------------------------------------------------- |
duke@435 | 2056 | // Volatile variables demand their effects be made known to all CPU's in |
duke@435 | 2057 | // order. Store buffers on most chips allow reads & writes to reorder; the |
duke@435 | 2058 | // JMM's ReadAfterWrite.java test fails in -Xint mode without some kind of |
duke@435 | 2059 | // memory barrier (i.e., it's not sufficient that the interpreter does not |
duke@435 | 2060 | // reorder volatile references, the hardware also must not reorder them). |
duke@435 | 2061 | // |
duke@435 | 2062 | // According to the new Java Memory Model (JMM): |
duke@435 | 2063 | // (1) All volatiles are serialized wrt to each other. |
duke@435 | 2064 | // ALSO reads & writes act as aquire & release, so: |
duke@435 | 2065 | // (2) A read cannot let unrelated NON-volatile memory refs that happen after |
duke@435 | 2066 | // the read float up to before the read. It's OK for non-volatile memory refs |
duke@435 | 2067 | // that happen before the volatile read to float down below it. |
duke@435 | 2068 | // (3) Similar a volatile write cannot let unrelated NON-volatile memory refs |
duke@435 | 2069 | // that happen BEFORE the write float down to after the write. It's OK for |
duke@435 | 2070 | // non-volatile memory refs that happen after the volatile write to float up |
duke@435 | 2071 | // before it. |
duke@435 | 2072 | // |
duke@435 | 2073 | // We only put in barriers around volatile refs (they are expensive), not |
duke@435 | 2074 | // _between_ memory refs (that would require us to track the flavor of the |
duke@435 | 2075 | // previous memory refs). Requirements (2) and (3) require some barriers |
duke@435 | 2076 | // before volatile stores and after volatile loads. These nearly cover |
duke@435 | 2077 | // requirement (1) but miss the volatile-store-volatile-load case. This final |
duke@435 | 2078 | // case is placed after volatile-stores although it could just as well go |
duke@435 | 2079 | // before volatile-loads. |
duke@435 | 2080 | void TemplateTable::volatile_barrier(Assembler::Membar_mask_bits order_constraint) { |
duke@435 | 2081 | // Helper function to insert a is-volatile test and memory barrier |
duke@435 | 2082 | // All current sparc implementations run in TSO, needing only StoreLoad |
duke@435 | 2083 | if ((order_constraint & Assembler::StoreLoad) == 0) return; |
duke@435 | 2084 | __ membar( order_constraint ); |
duke@435 | 2085 | } |
duke@435 | 2086 | |
duke@435 | 2087 | // ---------------------------------------------------------------------------- |
jrose@1920 | 2088 | void TemplateTable::resolve_cache_and_index(int byte_no, |
jrose@1920 | 2089 | Register result, |
jrose@1920 | 2090 | Register Rcache, |
jrose@1920 | 2091 | Register index, |
jrose@1920 | 2092 | size_t index_size) { |
duke@435 | 2093 | // Depends on cpCacheOop layout! |
duke@435 | 2094 | Label resolved; |
duke@435 | 2095 | |
jrose@1920 | 2096 | if (byte_no == f1_oop) { |
jrose@1920 | 2097 | // We are resolved if the f1 field contains a non-null object (CallSite, etc.) |
jrose@1920 | 2098 | // This kind of CP cache entry does not need to match the flags byte, because |
jrose@1920 | 2099 | // there is a 1-1 relation between bytecode type and CP entry type. |
jrose@1920 | 2100 | assert_different_registers(result, Rcache); |
twisti@3050 | 2101 | __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
twisti@1858 | 2102 | __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + |
jrose@1920 | 2103 | ConstantPoolCacheEntry::f1_offset(), result); |
jrose@1920 | 2104 | __ tst(result); |
twisti@1858 | 2105 | __ br(Assembler::notEqual, false, Assembler::pt, resolved); |
twisti@1858 | 2106 | __ delayed()->set((int)bytecode(), O1); |
twisti@1858 | 2107 | } else { |
jrose@1920 | 2108 | assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
jrose@1920 | 2109 | assert(result == noreg, ""); //else change code for setting result |
twisti@3050 | 2110 | __ get_cache_and_index_and_bytecode_at_bcp(Rcache, index, Lbyte_code, byte_no, 1, index_size); |
twisti@3050 | 2111 | __ cmp(Lbyte_code, (int) bytecode()); // have we resolved this bytecode? |
twisti@3050 | 2112 | __ br(Assembler::equal, false, Assembler::pt, resolved); |
twisti@1858 | 2113 | __ delayed()->set((int)bytecode(), O1); |
twisti@1858 | 2114 | } |
duke@435 | 2115 | |
duke@435 | 2116 | address entry; |
duke@435 | 2117 | switch (bytecode()) { |
duke@435 | 2118 | case Bytecodes::_getstatic : // fall through |
duke@435 | 2119 | case Bytecodes::_putstatic : // fall through |
duke@435 | 2120 | case Bytecodes::_getfield : // fall through |
duke@435 | 2121 | case Bytecodes::_putfield : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_get_put); break; |
duke@435 | 2122 | case Bytecodes::_invokevirtual : // fall through |
duke@435 | 2123 | case Bytecodes::_invokespecial : // fall through |
duke@435 | 2124 | case Bytecodes::_invokestatic : // fall through |
duke@435 | 2125 | case Bytecodes::_invokeinterface: entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); break; |
twisti@1858 | 2126 | case Bytecodes::_invokedynamic : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); break; |
jrose@1957 | 2127 | case Bytecodes::_fast_aldc : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); break; |
jrose@1957 | 2128 | case Bytecodes::_fast_aldc_w : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); break; |
duke@435 | 2129 | default : ShouldNotReachHere(); break; |
duke@435 | 2130 | } |
duke@435 | 2131 | // first time invocation - must resolve first |
duke@435 | 2132 | __ call_VM(noreg, entry, O1); |
duke@435 | 2133 | // Update registers with resolved info |
jrose@1920 | 2134 | __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
jrose@1920 | 2135 | if (result != noreg) |
jrose@1920 | 2136 | __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + |
jrose@1920 | 2137 | ConstantPoolCacheEntry::f1_offset(), result); |
duke@435 | 2138 | __ bind(resolved); |
duke@435 | 2139 | } |
duke@435 | 2140 | |
duke@435 | 2141 | void TemplateTable::load_invoke_cp_cache_entry(int byte_no, |
duke@435 | 2142 | Register Rmethod, |
duke@435 | 2143 | Register Ritable_index, |
duke@435 | 2144 | Register Rflags, |
duke@435 | 2145 | bool is_invokevirtual, |
jrose@1920 | 2146 | bool is_invokevfinal, |
jrose@1920 | 2147 | bool is_invokedynamic) { |
duke@435 | 2148 | // Uses both G3_scratch and G4_scratch |
duke@435 | 2149 | Register Rcache = G3_scratch; |
duke@435 | 2150 | Register Rscratch = G4_scratch; |
duke@435 | 2151 | assert_different_registers(Rcache, Rmethod, Ritable_index); |
duke@435 | 2152 | |
duke@435 | 2153 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2154 | |
duke@435 | 2155 | // determine constant pool cache field offsets |
duke@435 | 2156 | const int method_offset = in_bytes( |
duke@435 | 2157 | cp_base_offset + |
duke@435 | 2158 | (is_invokevirtual |
duke@435 | 2159 | ? ConstantPoolCacheEntry::f2_offset() |
duke@435 | 2160 | : ConstantPoolCacheEntry::f1_offset() |
duke@435 | 2161 | ) |
duke@435 | 2162 | ); |
duke@435 | 2163 | const int flags_offset = in_bytes(cp_base_offset + |
duke@435 | 2164 | ConstantPoolCacheEntry::flags_offset()); |
duke@435 | 2165 | // access constant pool cache fields |
duke@435 | 2166 | const int index_offset = in_bytes(cp_base_offset + |
duke@435 | 2167 | ConstantPoolCacheEntry::f2_offset()); |
duke@435 | 2168 | |
duke@435 | 2169 | if (is_invokevfinal) { |
duke@435 | 2170 | __ get_cache_and_index_at_bcp(Rcache, Rscratch, 1); |
jrose@1920 | 2171 | __ ld_ptr(Rcache, method_offset, Rmethod); |
jrose@1920 | 2172 | } else if (byte_no == f1_oop) { |
jrose@1920 | 2173 | // Resolved f1_oop goes directly into 'method' register. |
jrose@1920 | 2174 | resolve_cache_and_index(byte_no, Rmethod, Rcache, Rscratch, sizeof(u4)); |
duke@435 | 2175 | } else { |
jrose@1920 | 2176 | resolve_cache_and_index(byte_no, noreg, Rcache, Rscratch, sizeof(u2)); |
jrose@1920 | 2177 | __ ld_ptr(Rcache, method_offset, Rmethod); |
duke@435 | 2178 | } |
duke@435 | 2179 | |
duke@435 | 2180 | if (Ritable_index != noreg) { |
twisti@1162 | 2181 | __ ld_ptr(Rcache, index_offset, Ritable_index); |
duke@435 | 2182 | } |
twisti@1162 | 2183 | __ ld_ptr(Rcache, flags_offset, Rflags); |
duke@435 | 2184 | } |
duke@435 | 2185 | |
duke@435 | 2186 | // The Rcache register must be set before call |
duke@435 | 2187 | void TemplateTable::load_field_cp_cache_entry(Register Robj, |
duke@435 | 2188 | Register Rcache, |
duke@435 | 2189 | Register index, |
duke@435 | 2190 | Register Roffset, |
duke@435 | 2191 | Register Rflags, |
duke@435 | 2192 | bool is_static) { |
duke@435 | 2193 | assert_different_registers(Rcache, Rflags, Roffset); |
duke@435 | 2194 | |
duke@435 | 2195 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2196 | |
twisti@1162 | 2197 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
twisti@1162 | 2198 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
duke@435 | 2199 | if (is_static) { |
twisti@1162 | 2200 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f1_offset(), Robj); |
duke@435 | 2201 | } |
duke@435 | 2202 | } |
duke@435 | 2203 | |
duke@435 | 2204 | // The registers Rcache and index expected to be set before call. |
duke@435 | 2205 | // Correct values of the Rcache and index registers are preserved. |
duke@435 | 2206 | void TemplateTable::jvmti_post_field_access(Register Rcache, |
duke@435 | 2207 | Register index, |
duke@435 | 2208 | bool is_static, |
duke@435 | 2209 | bool has_tos) { |
duke@435 | 2210 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2211 | |
duke@435 | 2212 | if (JvmtiExport::can_post_field_access()) { |
duke@435 | 2213 | // Check to see if a field access watch has been set before we take |
duke@435 | 2214 | // the time to call into the VM. |
duke@435 | 2215 | Label Label1; |
duke@435 | 2216 | assert_different_registers(Rcache, index, G1_scratch); |
twisti@1162 | 2217 | AddressLiteral get_field_access_count_addr(JvmtiExport::get_field_access_count_addr()); |
duke@435 | 2218 | __ load_contents(get_field_access_count_addr, G1_scratch); |
kvn@3037 | 2219 | __ cmp_and_br_short(G1_scratch, 0, Assembler::equal, Assembler::pt, Label1); |
duke@435 | 2220 | |
duke@435 | 2221 | __ add(Rcache, in_bytes(cp_base_offset), Rcache); |
duke@435 | 2222 | |
duke@435 | 2223 | if (is_static) { |
duke@435 | 2224 | __ clr(Otos_i); |
duke@435 | 2225 | } else { |
duke@435 | 2226 | if (has_tos) { |
duke@435 | 2227 | // save object pointer before call_VM() clobbers it |
coleenp@885 | 2228 | __ push_ptr(Otos_i); // put object on tos where GC wants it. |
duke@435 | 2229 | } else { |
duke@435 | 2230 | // Load top of stack (do not pop the value off the stack); |
duke@435 | 2231 | __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); |
duke@435 | 2232 | } |
duke@435 | 2233 | __ verify_oop(Otos_i); |
duke@435 | 2234 | } |
duke@435 | 2235 | // Otos_i: object pointer or NULL if static |
duke@435 | 2236 | // Rcache: cache entry pointer |
duke@435 | 2237 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_access), |
duke@435 | 2238 | Otos_i, Rcache); |
duke@435 | 2239 | if (!is_static && has_tos) { |
coleenp@885 | 2240 | __ pop_ptr(Otos_i); // restore object pointer |
duke@435 | 2241 | __ verify_oop(Otos_i); |
duke@435 | 2242 | } |
duke@435 | 2243 | __ get_cache_and_index_at_bcp(Rcache, index, 1); |
duke@435 | 2244 | __ bind(Label1); |
duke@435 | 2245 | } |
duke@435 | 2246 | } |
duke@435 | 2247 | |
duke@435 | 2248 | void TemplateTable::getfield_or_static(int byte_no, bool is_static) { |
duke@435 | 2249 | transition(vtos, vtos); |
duke@435 | 2250 | |
duke@435 | 2251 | Register Rcache = G3_scratch; |
duke@435 | 2252 | Register index = G4_scratch; |
duke@435 | 2253 | Register Rclass = Rcache; |
duke@435 | 2254 | Register Roffset= G4_scratch; |
duke@435 | 2255 | Register Rflags = G1_scratch; |
duke@435 | 2256 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2257 | |
jrose@1920 | 2258 | resolve_cache_and_index(byte_no, noreg, Rcache, index, sizeof(u2)); |
duke@435 | 2259 | jvmti_post_field_access(Rcache, index, is_static, false); |
duke@435 | 2260 | load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); |
duke@435 | 2261 | |
duke@435 | 2262 | if (!is_static) { |
duke@435 | 2263 | pop_and_check_object(Rclass); |
duke@435 | 2264 | } else { |
duke@435 | 2265 | __ verify_oop(Rclass); |
duke@435 | 2266 | } |
duke@435 | 2267 | |
duke@435 | 2268 | Label exit; |
duke@435 | 2269 | |
duke@435 | 2270 | Assembler::Membar_mask_bits membar_bits = |
duke@435 | 2271 | Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); |
duke@435 | 2272 | |
duke@435 | 2273 | if (__ membar_has_effect(membar_bits)) { |
duke@435 | 2274 | // Get volatile flag |
duke@435 | 2275 | __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); |
duke@435 | 2276 | __ and3(Rflags, Lscratch, Lscratch); |
duke@435 | 2277 | } |
duke@435 | 2278 | |
duke@435 | 2279 | Label checkVolatile; |
duke@435 | 2280 | |
duke@435 | 2281 | // compute field type |
duke@435 | 2282 | Label notByte, notInt, notShort, notChar, notLong, notFloat, notObj; |
duke@435 | 2283 | __ srl(Rflags, ConstantPoolCacheEntry::tosBits, Rflags); |
duke@435 | 2284 | // Make sure we don't need to mask Rflags for tosBits after the above shift |
duke@435 | 2285 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 2286 | |
duke@435 | 2287 | // Check atos before itos for getstatic, more likely (in Queens at least) |
duke@435 | 2288 | __ cmp(Rflags, atos); |
duke@435 | 2289 | __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
duke@435 | 2290 | __ delayed() ->cmp(Rflags, itos); |
duke@435 | 2291 | |
duke@435 | 2292 | // atos |
coleenp@548 | 2293 | __ load_heap_oop(Rclass, Roffset, Otos_i); |
duke@435 | 2294 | __ verify_oop(Otos_i); |
duke@435 | 2295 | __ push(atos); |
duke@435 | 2296 | if (!is_static) { |
duke@435 | 2297 | patch_bytecode(Bytecodes::_fast_agetfield, G3_scratch, G4_scratch); |
duke@435 | 2298 | } |
kvn@3037 | 2299 | __ ba(checkVolatile); |
duke@435 | 2300 | __ delayed()->tst(Lscratch); |
duke@435 | 2301 | |
duke@435 | 2302 | __ bind(notObj); |
duke@435 | 2303 | |
duke@435 | 2304 | // cmp(Rflags, itos); |
duke@435 | 2305 | __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
duke@435 | 2306 | __ delayed() ->cmp(Rflags, ltos); |
duke@435 | 2307 | |
duke@435 | 2308 | // itos |
duke@435 | 2309 | __ ld(Rclass, Roffset, Otos_i); |
duke@435 | 2310 | __ push(itos); |
duke@435 | 2311 | if (!is_static) { |
duke@435 | 2312 | patch_bytecode(Bytecodes::_fast_igetfield, G3_scratch, G4_scratch); |
duke@435 | 2313 | } |
kvn@3037 | 2314 | __ ba(checkVolatile); |
duke@435 | 2315 | __ delayed()->tst(Lscratch); |
duke@435 | 2316 | |
duke@435 | 2317 | __ bind(notInt); |
duke@435 | 2318 | |
duke@435 | 2319 | // cmp(Rflags, ltos); |
duke@435 | 2320 | __ br(Assembler::notEqual, false, Assembler::pt, notLong); |
duke@435 | 2321 | __ delayed() ->cmp(Rflags, btos); |
duke@435 | 2322 | |
duke@435 | 2323 | // ltos |
duke@435 | 2324 | // load must be atomic |
duke@435 | 2325 | __ ld_long(Rclass, Roffset, Otos_l); |
duke@435 | 2326 | __ push(ltos); |
duke@435 | 2327 | if (!is_static) { |
duke@435 | 2328 | patch_bytecode(Bytecodes::_fast_lgetfield, G3_scratch, G4_scratch); |
duke@435 | 2329 | } |
kvn@3037 | 2330 | __ ba(checkVolatile); |
duke@435 | 2331 | __ delayed()->tst(Lscratch); |
duke@435 | 2332 | |
duke@435 | 2333 | __ bind(notLong); |
duke@435 | 2334 | |
duke@435 | 2335 | // cmp(Rflags, btos); |
duke@435 | 2336 | __ br(Assembler::notEqual, false, Assembler::pt, notByte); |
duke@435 | 2337 | __ delayed() ->cmp(Rflags, ctos); |
duke@435 | 2338 | |
duke@435 | 2339 | // btos |
duke@435 | 2340 | __ ldsb(Rclass, Roffset, Otos_i); |
duke@435 | 2341 | __ push(itos); |
duke@435 | 2342 | if (!is_static) { |
duke@435 | 2343 | patch_bytecode(Bytecodes::_fast_bgetfield, G3_scratch, G4_scratch); |
duke@435 | 2344 | } |
kvn@3037 | 2345 | __ ba(checkVolatile); |
duke@435 | 2346 | __ delayed()->tst(Lscratch); |
duke@435 | 2347 | |
duke@435 | 2348 | __ bind(notByte); |
duke@435 | 2349 | |
duke@435 | 2350 | // cmp(Rflags, ctos); |
duke@435 | 2351 | __ br(Assembler::notEqual, false, Assembler::pt, notChar); |
duke@435 | 2352 | __ delayed() ->cmp(Rflags, stos); |
duke@435 | 2353 | |
duke@435 | 2354 | // ctos |
duke@435 | 2355 | __ lduh(Rclass, Roffset, Otos_i); |
duke@435 | 2356 | __ push(itos); |
duke@435 | 2357 | if (!is_static) { |
duke@435 | 2358 | patch_bytecode(Bytecodes::_fast_cgetfield, G3_scratch, G4_scratch); |
duke@435 | 2359 | } |
kvn@3037 | 2360 | __ ba(checkVolatile); |
duke@435 | 2361 | __ delayed()->tst(Lscratch); |
duke@435 | 2362 | |
duke@435 | 2363 | __ bind(notChar); |
duke@435 | 2364 | |
duke@435 | 2365 | // cmp(Rflags, stos); |
duke@435 | 2366 | __ br(Assembler::notEqual, false, Assembler::pt, notShort); |
duke@435 | 2367 | __ delayed() ->cmp(Rflags, ftos); |
duke@435 | 2368 | |
duke@435 | 2369 | // stos |
duke@435 | 2370 | __ ldsh(Rclass, Roffset, Otos_i); |
duke@435 | 2371 | __ push(itos); |
duke@435 | 2372 | if (!is_static) { |
duke@435 | 2373 | patch_bytecode(Bytecodes::_fast_sgetfield, G3_scratch, G4_scratch); |
duke@435 | 2374 | } |
kvn@3037 | 2375 | __ ba(checkVolatile); |
duke@435 | 2376 | __ delayed()->tst(Lscratch); |
duke@435 | 2377 | |
duke@435 | 2378 | __ bind(notShort); |
duke@435 | 2379 | |
duke@435 | 2380 | |
duke@435 | 2381 | // cmp(Rflags, ftos); |
duke@435 | 2382 | __ br(Assembler::notEqual, false, Assembler::pt, notFloat); |
duke@435 | 2383 | __ delayed() ->tst(Lscratch); |
duke@435 | 2384 | |
duke@435 | 2385 | // ftos |
duke@435 | 2386 | __ ldf(FloatRegisterImpl::S, Rclass, Roffset, Ftos_f); |
duke@435 | 2387 | __ push(ftos); |
duke@435 | 2388 | if (!is_static) { |
duke@435 | 2389 | patch_bytecode(Bytecodes::_fast_fgetfield, G3_scratch, G4_scratch); |
duke@435 | 2390 | } |
kvn@3037 | 2391 | __ ba(checkVolatile); |
duke@435 | 2392 | __ delayed()->tst(Lscratch); |
duke@435 | 2393 | |
duke@435 | 2394 | __ bind(notFloat); |
duke@435 | 2395 | |
duke@435 | 2396 | |
duke@435 | 2397 | // dtos |
duke@435 | 2398 | __ ldf(FloatRegisterImpl::D, Rclass, Roffset, Ftos_d); |
duke@435 | 2399 | __ push(dtos); |
duke@435 | 2400 | if (!is_static) { |
duke@435 | 2401 | patch_bytecode(Bytecodes::_fast_dgetfield, G3_scratch, G4_scratch); |
duke@435 | 2402 | } |
duke@435 | 2403 | |
duke@435 | 2404 | __ bind(checkVolatile); |
duke@435 | 2405 | if (__ membar_has_effect(membar_bits)) { |
duke@435 | 2406 | // __ tst(Lscratch); executed in delay slot |
duke@435 | 2407 | __ br(Assembler::zero, false, Assembler::pt, exit); |
duke@435 | 2408 | __ delayed()->nop(); |
duke@435 | 2409 | volatile_barrier(membar_bits); |
duke@435 | 2410 | } |
duke@435 | 2411 | |
duke@435 | 2412 | __ bind(exit); |
duke@435 | 2413 | } |
duke@435 | 2414 | |
duke@435 | 2415 | |
duke@435 | 2416 | void TemplateTable::getfield(int byte_no) { |
duke@435 | 2417 | getfield_or_static(byte_no, false); |
duke@435 | 2418 | } |
duke@435 | 2419 | |
duke@435 | 2420 | void TemplateTable::getstatic(int byte_no) { |
duke@435 | 2421 | getfield_or_static(byte_no, true); |
duke@435 | 2422 | } |
duke@435 | 2423 | |
duke@435 | 2424 | |
duke@435 | 2425 | void TemplateTable::fast_accessfield(TosState state) { |
duke@435 | 2426 | transition(atos, state); |
duke@435 | 2427 | Register Rcache = G3_scratch; |
duke@435 | 2428 | Register index = G4_scratch; |
duke@435 | 2429 | Register Roffset = G4_scratch; |
duke@435 | 2430 | Register Rflags = Rcache; |
duke@435 | 2431 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2432 | |
duke@435 | 2433 | __ get_cache_and_index_at_bcp(Rcache, index, 1); |
duke@435 | 2434 | jvmti_post_field_access(Rcache, index, /*is_static*/false, /*has_tos*/true); |
duke@435 | 2435 | |
twisti@1162 | 2436 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
duke@435 | 2437 | |
duke@435 | 2438 | __ null_check(Otos_i); |
duke@435 | 2439 | __ verify_oop(Otos_i); |
duke@435 | 2440 | |
duke@435 | 2441 | Label exit; |
duke@435 | 2442 | |
duke@435 | 2443 | Assembler::Membar_mask_bits membar_bits = |
duke@435 | 2444 | Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); |
duke@435 | 2445 | if (__ membar_has_effect(membar_bits)) { |
duke@435 | 2446 | // Get volatile flag |
twisti@1162 | 2447 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Rflags); |
duke@435 | 2448 | __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); |
duke@435 | 2449 | } |
duke@435 | 2450 | |
duke@435 | 2451 | switch (bytecode()) { |
duke@435 | 2452 | case Bytecodes::_fast_bgetfield: |
duke@435 | 2453 | __ ldsb(Otos_i, Roffset, Otos_i); |
duke@435 | 2454 | break; |
duke@435 | 2455 | case Bytecodes::_fast_cgetfield: |
duke@435 | 2456 | __ lduh(Otos_i, Roffset, Otos_i); |
duke@435 | 2457 | break; |
duke@435 | 2458 | case Bytecodes::_fast_sgetfield: |
duke@435 | 2459 | __ ldsh(Otos_i, Roffset, Otos_i); |
duke@435 | 2460 | break; |
duke@435 | 2461 | case Bytecodes::_fast_igetfield: |
duke@435 | 2462 | __ ld(Otos_i, Roffset, Otos_i); |
duke@435 | 2463 | break; |
duke@435 | 2464 | case Bytecodes::_fast_lgetfield: |
duke@435 | 2465 | __ ld_long(Otos_i, Roffset, Otos_l); |
duke@435 | 2466 | break; |
duke@435 | 2467 | case Bytecodes::_fast_fgetfield: |
duke@435 | 2468 | __ ldf(FloatRegisterImpl::S, Otos_i, Roffset, Ftos_f); |
duke@435 | 2469 | break; |
duke@435 | 2470 | case Bytecodes::_fast_dgetfield: |
duke@435 | 2471 | __ ldf(FloatRegisterImpl::D, Otos_i, Roffset, Ftos_d); |
duke@435 | 2472 | break; |
duke@435 | 2473 | case Bytecodes::_fast_agetfield: |
coleenp@548 | 2474 | __ load_heap_oop(Otos_i, Roffset, Otos_i); |
duke@435 | 2475 | break; |
duke@435 | 2476 | default: |
duke@435 | 2477 | ShouldNotReachHere(); |
duke@435 | 2478 | } |
duke@435 | 2479 | |
duke@435 | 2480 | if (__ membar_has_effect(membar_bits)) { |
duke@435 | 2481 | __ btst(Lscratch, Rflags); |
duke@435 | 2482 | __ br(Assembler::zero, false, Assembler::pt, exit); |
duke@435 | 2483 | __ delayed()->nop(); |
duke@435 | 2484 | volatile_barrier(membar_bits); |
duke@435 | 2485 | __ bind(exit); |
duke@435 | 2486 | } |
duke@435 | 2487 | |
duke@435 | 2488 | if (state == atos) { |
duke@435 | 2489 | __ verify_oop(Otos_i); // does not blow flags! |
duke@435 | 2490 | } |
duke@435 | 2491 | } |
duke@435 | 2492 | |
duke@435 | 2493 | void TemplateTable::jvmti_post_fast_field_mod() { |
duke@435 | 2494 | if (JvmtiExport::can_post_field_modification()) { |
duke@435 | 2495 | // Check to see if a field modification watch has been set before we take |
duke@435 | 2496 | // the time to call into the VM. |
duke@435 | 2497 | Label done; |
twisti@1162 | 2498 | AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
duke@435 | 2499 | __ load_contents(get_field_modification_count_addr, G4_scratch); |
kvn@3037 | 2500 | __ cmp_and_br_short(G4_scratch, 0, Assembler::equal, Assembler::pt, done); |
duke@435 | 2501 | __ pop_ptr(G4_scratch); // copy the object pointer from tos |
duke@435 | 2502 | __ verify_oop(G4_scratch); |
duke@435 | 2503 | __ push_ptr(G4_scratch); // put the object pointer back on tos |
duke@435 | 2504 | __ get_cache_entry_pointer_at_bcp(G1_scratch, G3_scratch, 1); |
duke@435 | 2505 | // Save tos values before call_VM() clobbers them. Since we have |
duke@435 | 2506 | // to do it for every data type, we use the saved values as the |
duke@435 | 2507 | // jvalue object. |
duke@435 | 2508 | switch (bytecode()) { // save tos values before call_VM() clobbers them |
duke@435 | 2509 | case Bytecodes::_fast_aputfield: __ push_ptr(Otos_i); break; |
duke@435 | 2510 | case Bytecodes::_fast_bputfield: // fall through |
duke@435 | 2511 | case Bytecodes::_fast_sputfield: // fall through |
duke@435 | 2512 | case Bytecodes::_fast_cputfield: // fall through |
duke@435 | 2513 | case Bytecodes::_fast_iputfield: __ push_i(Otos_i); break; |
duke@435 | 2514 | case Bytecodes::_fast_dputfield: __ push_d(Ftos_d); break; |
duke@435 | 2515 | case Bytecodes::_fast_fputfield: __ push_f(Ftos_f); break; |
duke@435 | 2516 | // get words in right order for use as jvalue object |
duke@435 | 2517 | case Bytecodes::_fast_lputfield: __ push_l(Otos_l); break; |
duke@435 | 2518 | } |
duke@435 | 2519 | // setup pointer to jvalue object |
duke@435 | 2520 | __ mov(Lesp, G3_scratch); __ inc(G3_scratch, wordSize); |
duke@435 | 2521 | // G4_scratch: object pointer |
duke@435 | 2522 | // G1_scratch: cache entry pointer |
duke@435 | 2523 | // G3_scratch: jvalue object on the stack |
duke@435 | 2524 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), G4_scratch, G1_scratch, G3_scratch); |
duke@435 | 2525 | switch (bytecode()) { // restore tos values |
duke@435 | 2526 | case Bytecodes::_fast_aputfield: __ pop_ptr(Otos_i); break; |
duke@435 | 2527 | case Bytecodes::_fast_bputfield: // fall through |
duke@435 | 2528 | case Bytecodes::_fast_sputfield: // fall through |
duke@435 | 2529 | case Bytecodes::_fast_cputfield: // fall through |
duke@435 | 2530 | case Bytecodes::_fast_iputfield: __ pop_i(Otos_i); break; |
duke@435 | 2531 | case Bytecodes::_fast_dputfield: __ pop_d(Ftos_d); break; |
duke@435 | 2532 | case Bytecodes::_fast_fputfield: __ pop_f(Ftos_f); break; |
duke@435 | 2533 | case Bytecodes::_fast_lputfield: __ pop_l(Otos_l); break; |
duke@435 | 2534 | } |
duke@435 | 2535 | __ bind(done); |
duke@435 | 2536 | } |
duke@435 | 2537 | } |
duke@435 | 2538 | |
duke@435 | 2539 | // The registers Rcache and index expected to be set before call. |
duke@435 | 2540 | // The function may destroy various registers, just not the Rcache and index registers. |
duke@435 | 2541 | void TemplateTable::jvmti_post_field_mod(Register Rcache, Register index, bool is_static) { |
duke@435 | 2542 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2543 | |
duke@435 | 2544 | if (JvmtiExport::can_post_field_modification()) { |
duke@435 | 2545 | // Check to see if a field modification watch has been set before we take |
duke@435 | 2546 | // the time to call into the VM. |
duke@435 | 2547 | Label Label1; |
duke@435 | 2548 | assert_different_registers(Rcache, index, G1_scratch); |
twisti@1162 | 2549 | AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
duke@435 | 2550 | __ load_contents(get_field_modification_count_addr, G1_scratch); |
kvn@3037 | 2551 | __ cmp_and_br_short(G1_scratch, 0, Assembler::zero, Assembler::pt, Label1); |
duke@435 | 2552 | |
duke@435 | 2553 | // The Rcache and index registers have been already set. |
duke@435 | 2554 | // This allows to eliminate this call but the Rcache and index |
duke@435 | 2555 | // registers must be correspondingly used after this line. |
duke@435 | 2556 | __ get_cache_and_index_at_bcp(G1_scratch, G4_scratch, 1); |
duke@435 | 2557 | |
duke@435 | 2558 | __ add(G1_scratch, in_bytes(cp_base_offset), G3_scratch); |
duke@435 | 2559 | if (is_static) { |
duke@435 | 2560 | // Life is simple. Null out the object pointer. |
duke@435 | 2561 | __ clr(G4_scratch); |
duke@435 | 2562 | } else { |
duke@435 | 2563 | Register Rflags = G1_scratch; |
duke@435 | 2564 | // Life is harder. The stack holds the value on top, followed by the |
duke@435 | 2565 | // object. We don't know the size of the value, though; it could be |
duke@435 | 2566 | // one or two words depending on its type. As a result, we must find |
duke@435 | 2567 | // the type to determine where the object is. |
duke@435 | 2568 | |
duke@435 | 2569 | Label two_word, valsizeknown; |
twisti@1162 | 2570 | __ ld_ptr(G1_scratch, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
duke@435 | 2571 | __ mov(Lesp, G4_scratch); |
duke@435 | 2572 | __ srl(Rflags, ConstantPoolCacheEntry::tosBits, Rflags); |
duke@435 | 2573 | // Make sure we don't need to mask Rflags for tosBits after the above shift |
duke@435 | 2574 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 2575 | __ cmp(Rflags, ltos); |
duke@435 | 2576 | __ br(Assembler::equal, false, Assembler::pt, two_word); |
duke@435 | 2577 | __ delayed()->cmp(Rflags, dtos); |
duke@435 | 2578 | __ br(Assembler::equal, false, Assembler::pt, two_word); |
duke@435 | 2579 | __ delayed()->nop(); |
duke@435 | 2580 | __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(1)); |
kvn@3037 | 2581 | __ ba_short(valsizeknown); |
duke@435 | 2582 | __ bind(two_word); |
duke@435 | 2583 | |
duke@435 | 2584 | __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(2)); |
duke@435 | 2585 | |
duke@435 | 2586 | __ bind(valsizeknown); |
duke@435 | 2587 | // setup object pointer |
duke@435 | 2588 | __ ld_ptr(G4_scratch, 0, G4_scratch); |
duke@435 | 2589 | __ verify_oop(G4_scratch); |
duke@435 | 2590 | } |
duke@435 | 2591 | // setup pointer to jvalue object |
duke@435 | 2592 | __ mov(Lesp, G1_scratch); __ inc(G1_scratch, wordSize); |
duke@435 | 2593 | // G4_scratch: object pointer or NULL if static |
duke@435 | 2594 | // G3_scratch: cache entry pointer |
duke@435 | 2595 | // G1_scratch: jvalue object on the stack |
duke@435 | 2596 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), |
duke@435 | 2597 | G4_scratch, G3_scratch, G1_scratch); |
duke@435 | 2598 | __ get_cache_and_index_at_bcp(Rcache, index, 1); |
duke@435 | 2599 | __ bind(Label1); |
duke@435 | 2600 | } |
duke@435 | 2601 | } |
duke@435 | 2602 | |
duke@435 | 2603 | void TemplateTable::pop_and_check_object(Register r) { |
duke@435 | 2604 | __ pop_ptr(r); |
duke@435 | 2605 | __ null_check(r); // for field access must check obj. |
duke@435 | 2606 | __ verify_oop(r); |
duke@435 | 2607 | } |
duke@435 | 2608 | |
duke@435 | 2609 | void TemplateTable::putfield_or_static(int byte_no, bool is_static) { |
duke@435 | 2610 | transition(vtos, vtos); |
duke@435 | 2611 | Register Rcache = G3_scratch; |
duke@435 | 2612 | Register index = G4_scratch; |
duke@435 | 2613 | Register Rclass = Rcache; |
duke@435 | 2614 | Register Roffset= G4_scratch; |
duke@435 | 2615 | Register Rflags = G1_scratch; |
duke@435 | 2616 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2617 | |
jrose@1920 | 2618 | resolve_cache_and_index(byte_no, noreg, Rcache, index, sizeof(u2)); |
duke@435 | 2619 | jvmti_post_field_mod(Rcache, index, is_static); |
duke@435 | 2620 | load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); |
duke@435 | 2621 | |
duke@435 | 2622 | Assembler::Membar_mask_bits read_bits = |
duke@435 | 2623 | Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); |
duke@435 | 2624 | Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; |
duke@435 | 2625 | |
duke@435 | 2626 | Label notVolatile, checkVolatile, exit; |
duke@435 | 2627 | if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { |
duke@435 | 2628 | __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); |
duke@435 | 2629 | __ and3(Rflags, Lscratch, Lscratch); |
duke@435 | 2630 | |
duke@435 | 2631 | if (__ membar_has_effect(read_bits)) { |
kvn@3037 | 2632 | __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
duke@435 | 2633 | volatile_barrier(read_bits); |
duke@435 | 2634 | __ bind(notVolatile); |
duke@435 | 2635 | } |
duke@435 | 2636 | } |
duke@435 | 2637 | |
duke@435 | 2638 | __ srl(Rflags, ConstantPoolCacheEntry::tosBits, Rflags); |
duke@435 | 2639 | // Make sure we don't need to mask Rflags for tosBits after the above shift |
duke@435 | 2640 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 2641 | |
duke@435 | 2642 | // compute field type |
duke@435 | 2643 | Label notInt, notShort, notChar, notObj, notByte, notLong, notFloat; |
duke@435 | 2644 | |
duke@435 | 2645 | if (is_static) { |
duke@435 | 2646 | // putstatic with object type most likely, check that first |
twisti@3050 | 2647 | __ cmp(Rflags, atos); |
duke@435 | 2648 | __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
twisti@3050 | 2649 | __ delayed()->cmp(Rflags, itos); |
duke@435 | 2650 | |
duke@435 | 2651 | // atos |
twisti@3050 | 2652 | { |
twisti@3050 | 2653 | __ pop_ptr(); |
twisti@3050 | 2654 | __ verify_oop(Otos_i); |
twisti@3050 | 2655 | do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
twisti@3050 | 2656 | __ ba(checkVolatile); |
twisti@3050 | 2657 | __ delayed()->tst(Lscratch); |
twisti@3050 | 2658 | } |
twisti@3050 | 2659 | |
twisti@3050 | 2660 | __ bind(notObj); |
twisti@3050 | 2661 | // cmp(Rflags, itos); |
twisti@3050 | 2662 | __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
twisti@3050 | 2663 | __ delayed()->cmp(Rflags, btos); |
twisti@3050 | 2664 | |
twisti@3050 | 2665 | // itos |
twisti@3050 | 2666 | { |
twisti@3050 | 2667 | __ pop_i(); |
twisti@3050 | 2668 | __ st(Otos_i, Rclass, Roffset); |
twisti@3050 | 2669 | __ ba(checkVolatile); |
twisti@3050 | 2670 | __ delayed()->tst(Lscratch); |
twisti@3050 | 2671 | } |
twisti@3050 | 2672 | |
twisti@3050 | 2673 | __ bind(notInt); |
twisti@3050 | 2674 | } else { |
twisti@3050 | 2675 | // putfield with int type most likely, check that first |
twisti@3050 | 2676 | __ cmp(Rflags, itos); |
twisti@3050 | 2677 | __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
twisti@3050 | 2678 | __ delayed()->cmp(Rflags, atos); |
twisti@3050 | 2679 | |
twisti@3050 | 2680 | // itos |
twisti@3050 | 2681 | { |
twisti@3050 | 2682 | __ pop_i(); |
twisti@3050 | 2683 | pop_and_check_object(Rclass); |
twisti@3050 | 2684 | __ st(Otos_i, Rclass, Roffset); |
twisti@3050 | 2685 | patch_bytecode(Bytecodes::_fast_iputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2686 | __ ba(checkVolatile); |
twisti@3050 | 2687 | __ delayed()->tst(Lscratch); |
twisti@3050 | 2688 | } |
twisti@3050 | 2689 | |
twisti@3050 | 2690 | __ bind(notInt); |
twisti@3050 | 2691 | // cmp(Rflags, atos); |
twisti@3050 | 2692 | __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
twisti@3050 | 2693 | __ delayed()->cmp(Rflags, btos); |
twisti@3050 | 2694 | |
twisti@3050 | 2695 | // atos |
twisti@3050 | 2696 | { |
twisti@3050 | 2697 | __ pop_ptr(); |
twisti@3050 | 2698 | pop_and_check_object(Rclass); |
twisti@3050 | 2699 | __ verify_oop(Otos_i); |
twisti@3050 | 2700 | do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
twisti@3050 | 2701 | patch_bytecode(Bytecodes::_fast_aputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2702 | __ ba(checkVolatile); |
twisti@3050 | 2703 | __ delayed()->tst(Lscratch); |
twisti@3050 | 2704 | } |
twisti@3050 | 2705 | |
twisti@3050 | 2706 | __ bind(notObj); |
twisti@3050 | 2707 | } |
twisti@3050 | 2708 | |
twisti@3050 | 2709 | // cmp(Rflags, btos); |
twisti@3050 | 2710 | __ br(Assembler::notEqual, false, Assembler::pt, notByte); |
twisti@3050 | 2711 | __ delayed()->cmp(Rflags, ltos); |
twisti@3050 | 2712 | |
twisti@3050 | 2713 | // btos |
twisti@3050 | 2714 | { |
twisti@3050 | 2715 | __ pop_i(); |
twisti@3050 | 2716 | if (!is_static) pop_and_check_object(Rclass); |
twisti@3050 | 2717 | __ stb(Otos_i, Rclass, Roffset); |
twisti@3050 | 2718 | if (!is_static) { |
twisti@3050 | 2719 | patch_bytecode(Bytecodes::_fast_bputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2720 | } |
kvn@3037 | 2721 | __ ba(checkVolatile); |
duke@435 | 2722 | __ delayed()->tst(Lscratch); |
twisti@3050 | 2723 | } |
twisti@3050 | 2724 | |
twisti@3050 | 2725 | __ bind(notByte); |
twisti@3050 | 2726 | // cmp(Rflags, ltos); |
twisti@3050 | 2727 | __ br(Assembler::notEqual, false, Assembler::pt, notLong); |
twisti@3050 | 2728 | __ delayed()->cmp(Rflags, ctos); |
twisti@3050 | 2729 | |
twisti@3050 | 2730 | // ltos |
twisti@3050 | 2731 | { |
twisti@3050 | 2732 | __ pop_l(); |
twisti@3050 | 2733 | if (!is_static) pop_and_check_object(Rclass); |
twisti@3050 | 2734 | __ st_long(Otos_l, Rclass, Roffset); |
twisti@3050 | 2735 | if (!is_static) { |
twisti@3050 | 2736 | patch_bytecode(Bytecodes::_fast_lputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2737 | } |
kvn@3037 | 2738 | __ ba(checkVolatile); |
duke@435 | 2739 | __ delayed()->tst(Lscratch); |
twisti@3050 | 2740 | } |
twisti@3050 | 2741 | |
twisti@3050 | 2742 | __ bind(notLong); |
twisti@3050 | 2743 | // cmp(Rflags, ctos); |
twisti@3050 | 2744 | __ br(Assembler::notEqual, false, Assembler::pt, notChar); |
twisti@3050 | 2745 | __ delayed()->cmp(Rflags, stos); |
twisti@3050 | 2746 | |
twisti@3050 | 2747 | // ctos (char) |
twisti@3050 | 2748 | { |
duke@435 | 2749 | __ pop_i(); |
twisti@3050 | 2750 | if (!is_static) pop_and_check_object(Rclass); |
twisti@3050 | 2751 | __ sth(Otos_i, Rclass, Roffset); |
twisti@3050 | 2752 | if (!is_static) { |
twisti@3050 | 2753 | patch_bytecode(Bytecodes::_fast_cputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2754 | } |
kvn@3037 | 2755 | __ ba(checkVolatile); |
duke@435 | 2756 | __ delayed()->tst(Lscratch); |
twisti@3050 | 2757 | } |
twisti@3050 | 2758 | |
twisti@3050 | 2759 | __ bind(notChar); |
twisti@3050 | 2760 | // cmp(Rflags, stos); |
twisti@3050 | 2761 | __ br(Assembler::notEqual, false, Assembler::pt, notShort); |
twisti@3050 | 2762 | __ delayed()->cmp(Rflags, ftos); |
twisti@3050 | 2763 | |
twisti@3050 | 2764 | // stos (short) |
twisti@3050 | 2765 | { |
twisti@3050 | 2766 | __ pop_i(); |
twisti@3050 | 2767 | if (!is_static) pop_and_check_object(Rclass); |
twisti@3050 | 2768 | __ sth(Otos_i, Rclass, Roffset); |
twisti@3050 | 2769 | if (!is_static) { |
twisti@3050 | 2770 | patch_bytecode(Bytecodes::_fast_sputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2771 | } |
kvn@3037 | 2772 | __ ba(checkVolatile); |
duke@435 | 2773 | __ delayed()->tst(Lscratch); |
duke@435 | 2774 | } |
duke@435 | 2775 | |
duke@435 | 2776 | __ bind(notShort); |
twisti@3050 | 2777 | // cmp(Rflags, ftos); |
duke@435 | 2778 | __ br(Assembler::notZero, false, Assembler::pt, notFloat); |
duke@435 | 2779 | __ delayed()->nop(); |
duke@435 | 2780 | |
duke@435 | 2781 | // ftos |
twisti@3050 | 2782 | { |
twisti@3050 | 2783 | __ pop_f(); |
twisti@3050 | 2784 | if (!is_static) pop_and_check_object(Rclass); |
twisti@3050 | 2785 | __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); |
twisti@3050 | 2786 | if (!is_static) { |
twisti@3050 | 2787 | patch_bytecode(Bytecodes::_fast_fputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2788 | } |
twisti@3050 | 2789 | __ ba(checkVolatile); |
twisti@3050 | 2790 | __ delayed()->tst(Lscratch); |
duke@435 | 2791 | } |
duke@435 | 2792 | |
duke@435 | 2793 | __ bind(notFloat); |
duke@435 | 2794 | |
duke@435 | 2795 | // dtos |
twisti@3050 | 2796 | { |
twisti@3050 | 2797 | __ pop_d(); |
twisti@3050 | 2798 | if (!is_static) pop_and_check_object(Rclass); |
twisti@3050 | 2799 | __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); |
twisti@3050 | 2800 | if (!is_static) { |
twisti@3050 | 2801 | patch_bytecode(Bytecodes::_fast_dputfield, G3_scratch, G4_scratch, true, byte_no); |
twisti@3050 | 2802 | } |
duke@435 | 2803 | } |
duke@435 | 2804 | |
duke@435 | 2805 | __ bind(checkVolatile); |
duke@435 | 2806 | __ tst(Lscratch); |
duke@435 | 2807 | |
duke@435 | 2808 | if (__ membar_has_effect(write_bits)) { |
duke@435 | 2809 | // __ tst(Lscratch); in delay slot |
duke@435 | 2810 | __ br(Assembler::zero, false, Assembler::pt, exit); |
duke@435 | 2811 | __ delayed()->nop(); |
duke@435 | 2812 | volatile_barrier(Assembler::StoreLoad); |
duke@435 | 2813 | __ bind(exit); |
duke@435 | 2814 | } |
duke@435 | 2815 | } |
duke@435 | 2816 | |
duke@435 | 2817 | void TemplateTable::fast_storefield(TosState state) { |
duke@435 | 2818 | transition(state, vtos); |
duke@435 | 2819 | Register Rcache = G3_scratch; |
duke@435 | 2820 | Register Rclass = Rcache; |
duke@435 | 2821 | Register Roffset= G4_scratch; |
duke@435 | 2822 | Register Rflags = G1_scratch; |
duke@435 | 2823 | ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
duke@435 | 2824 | |
duke@435 | 2825 | jvmti_post_fast_field_mod(); |
duke@435 | 2826 | |
duke@435 | 2827 | __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 1); |
duke@435 | 2828 | |
duke@435 | 2829 | Assembler::Membar_mask_bits read_bits = |
duke@435 | 2830 | Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); |
duke@435 | 2831 | Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; |
duke@435 | 2832 | |
duke@435 | 2833 | Label notVolatile, checkVolatile, exit; |
duke@435 | 2834 | if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { |
twisti@1162 | 2835 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
duke@435 | 2836 | __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); |
duke@435 | 2837 | __ and3(Rflags, Lscratch, Lscratch); |
duke@435 | 2838 | if (__ membar_has_effect(read_bits)) { |
kvn@3037 | 2839 | __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
duke@435 | 2840 | volatile_barrier(read_bits); |
duke@435 | 2841 | __ bind(notVolatile); |
duke@435 | 2842 | } |
duke@435 | 2843 | } |
duke@435 | 2844 | |
twisti@1162 | 2845 | __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
duke@435 | 2846 | pop_and_check_object(Rclass); |
duke@435 | 2847 | |
duke@435 | 2848 | switch (bytecode()) { |
duke@435 | 2849 | case Bytecodes::_fast_bputfield: __ stb(Otos_i, Rclass, Roffset); break; |
duke@435 | 2850 | case Bytecodes::_fast_cputfield: /* fall through */ |
duke@435 | 2851 | case Bytecodes::_fast_sputfield: __ sth(Otos_i, Rclass, Roffset); break; |
duke@435 | 2852 | case Bytecodes::_fast_iputfield: __ st(Otos_i, Rclass, Roffset); break; |
duke@435 | 2853 | case Bytecodes::_fast_lputfield: __ st_long(Otos_l, Rclass, Roffset); break; |
duke@435 | 2854 | case Bytecodes::_fast_fputfield: |
duke@435 | 2855 | __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); |
duke@435 | 2856 | break; |
duke@435 | 2857 | case Bytecodes::_fast_dputfield: |
duke@435 | 2858 | __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); |
duke@435 | 2859 | break; |
duke@435 | 2860 | case Bytecodes::_fast_aputfield: |
ysr@777 | 2861 | do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
duke@435 | 2862 | break; |
duke@435 | 2863 | default: |
duke@435 | 2864 | ShouldNotReachHere(); |
duke@435 | 2865 | } |
duke@435 | 2866 | |
duke@435 | 2867 | if (__ membar_has_effect(write_bits)) { |
kvn@3037 | 2868 | __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, exit); |
duke@435 | 2869 | volatile_barrier(Assembler::StoreLoad); |
duke@435 | 2870 | __ bind(exit); |
duke@435 | 2871 | } |
duke@435 | 2872 | } |
duke@435 | 2873 | |
duke@435 | 2874 | |
duke@435 | 2875 | void TemplateTable::putfield(int byte_no) { |
duke@435 | 2876 | putfield_or_static(byte_no, false); |
duke@435 | 2877 | } |
duke@435 | 2878 | |
duke@435 | 2879 | void TemplateTable::putstatic(int byte_no) { |
duke@435 | 2880 | putfield_or_static(byte_no, true); |
duke@435 | 2881 | } |
duke@435 | 2882 | |
duke@435 | 2883 | |
duke@435 | 2884 | void TemplateTable::fast_xaccess(TosState state) { |
duke@435 | 2885 | transition(vtos, state); |
duke@435 | 2886 | Register Rcache = G3_scratch; |
duke@435 | 2887 | Register Roffset = G4_scratch; |
duke@435 | 2888 | Register Rflags = G4_scratch; |
duke@435 | 2889 | Register Rreceiver = Lscratch; |
duke@435 | 2890 | |
twisti@1861 | 2891 | __ ld_ptr(Llocals, 0, Rreceiver); |
duke@435 | 2892 | |
duke@435 | 2893 | // access constant pool cache (is resolved) |
duke@435 | 2894 | __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 2); |
twisti@1162 | 2895 | __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::f2_offset(), Roffset); |
duke@435 | 2896 | __ add(Lbcp, 1, Lbcp); // needed to report exception at the correct bcp |
duke@435 | 2897 | |
duke@435 | 2898 | __ verify_oop(Rreceiver); |
duke@435 | 2899 | __ null_check(Rreceiver); |
duke@435 | 2900 | if (state == atos) { |
coleenp@548 | 2901 | __ load_heap_oop(Rreceiver, Roffset, Otos_i); |
duke@435 | 2902 | } else if (state == itos) { |
duke@435 | 2903 | __ ld (Rreceiver, Roffset, Otos_i) ; |
duke@435 | 2904 | } else if (state == ftos) { |
duke@435 | 2905 | __ ldf(FloatRegisterImpl::S, Rreceiver, Roffset, Ftos_f); |
duke@435 | 2906 | } else { |
duke@435 | 2907 | ShouldNotReachHere(); |
duke@435 | 2908 | } |
duke@435 | 2909 | |
duke@435 | 2910 | Assembler::Membar_mask_bits membar_bits = |
duke@435 | 2911 | Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); |
duke@435 | 2912 | if (__ membar_has_effect(membar_bits)) { |
duke@435 | 2913 | |
duke@435 | 2914 | // Get is_volatile value in Rflags and check if membar is needed |
twisti@1162 | 2915 | __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::flags_offset(), Rflags); |
duke@435 | 2916 | |
duke@435 | 2917 | // Test volatile |
duke@435 | 2918 | Label notVolatile; |
duke@435 | 2919 | __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); |
duke@435 | 2920 | __ btst(Rflags, Lscratch); |
duke@435 | 2921 | __ br(Assembler::zero, false, Assembler::pt, notVolatile); |
duke@435 | 2922 | __ delayed()->nop(); |
duke@435 | 2923 | volatile_barrier(membar_bits); |
duke@435 | 2924 | __ bind(notVolatile); |
duke@435 | 2925 | } |
duke@435 | 2926 | |
duke@435 | 2927 | __ interp_verify_oop(Otos_i, state, __FILE__, __LINE__); |
duke@435 | 2928 | __ sub(Lbcp, 1, Lbcp); |
duke@435 | 2929 | } |
duke@435 | 2930 | |
duke@435 | 2931 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 2932 | // Calls |
duke@435 | 2933 | |
duke@435 | 2934 | void TemplateTable::count_calls(Register method, Register temp) { |
duke@435 | 2935 | // implemented elsewhere |
duke@435 | 2936 | ShouldNotReachHere(); |
duke@435 | 2937 | } |
duke@435 | 2938 | |
duke@435 | 2939 | void TemplateTable::generate_vtable_call(Register Rrecv, Register Rindex, Register Rret) { |
duke@435 | 2940 | Register Rtemp = G4_scratch; |
duke@435 | 2941 | Register Rcall = Rindex; |
duke@435 | 2942 | assert_different_registers(Rcall, G5_method, Gargs, Rret); |
duke@435 | 2943 | |
duke@435 | 2944 | // get target methodOop & entry point |
duke@435 | 2945 | const int base = instanceKlass::vtable_start_offset() * wordSize; |
duke@435 | 2946 | if (vtableEntry::size() % 3 == 0) { |
duke@435 | 2947 | // scale the vtable index by 12: |
duke@435 | 2948 | int one_third = vtableEntry::size() / 3; |
duke@435 | 2949 | __ sll(Rindex, exact_log2(one_third * 1 * wordSize), Rtemp); |
duke@435 | 2950 | __ sll(Rindex, exact_log2(one_third * 2 * wordSize), Rindex); |
duke@435 | 2951 | __ add(Rindex, Rtemp, Rindex); |
duke@435 | 2952 | } else { |
duke@435 | 2953 | // scale the vtable index by 8: |
duke@435 | 2954 | __ sll(Rindex, exact_log2(vtableEntry::size() * wordSize), Rindex); |
duke@435 | 2955 | } |
duke@435 | 2956 | |
duke@435 | 2957 | __ add(Rrecv, Rindex, Rrecv); |
duke@435 | 2958 | __ ld_ptr(Rrecv, base + vtableEntry::method_offset_in_bytes(), G5_method); |
duke@435 | 2959 | |
duke@435 | 2960 | __ call_from_interpreter(Rcall, Gargs, Rret); |
duke@435 | 2961 | } |
duke@435 | 2962 | |
duke@435 | 2963 | void TemplateTable::invokevirtual(int byte_no) { |
duke@435 | 2964 | transition(vtos, vtos); |
jrose@1920 | 2965 | assert(byte_no == f2_byte, "use this argument"); |
duke@435 | 2966 | |
duke@435 | 2967 | Register Rscratch = G3_scratch; |
duke@435 | 2968 | Register Rtemp = G4_scratch; |
duke@435 | 2969 | Register Rret = Lscratch; |
duke@435 | 2970 | Register Rrecv = G5_method; |
duke@435 | 2971 | Label notFinal; |
duke@435 | 2972 | |
jrose@1920 | 2973 | load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, true, false, false); |
duke@435 | 2974 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
duke@435 | 2975 | |
duke@435 | 2976 | // Check for vfinal |
duke@435 | 2977 | __ set((1 << ConstantPoolCacheEntry::vfinalMethod), G4_scratch); |
duke@435 | 2978 | __ btst(Rret, G4_scratch); |
duke@435 | 2979 | __ br(Assembler::zero, false, Assembler::pt, notFinal); |
duke@435 | 2980 | __ delayed()->and3(Rret, 0xFF, G4_scratch); // gets number of parameters |
duke@435 | 2981 | |
duke@435 | 2982 | patch_bytecode(Bytecodes::_fast_invokevfinal, Rscratch, Rtemp); |
duke@435 | 2983 | |
duke@435 | 2984 | invokevfinal_helper(Rscratch, Rret); |
duke@435 | 2985 | |
duke@435 | 2986 | __ bind(notFinal); |
duke@435 | 2987 | |
duke@435 | 2988 | __ mov(G5_method, Rscratch); // better scratch register |
duke@435 | 2989 | __ load_receiver(G4_scratch, O0); // gets receiverOop |
duke@435 | 2990 | // receiver is in O0 |
duke@435 | 2991 | __ verify_oop(O0); |
duke@435 | 2992 | |
duke@435 | 2993 | // get return address |
twisti@1162 | 2994 | AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
twisti@1162 | 2995 | __ set(table, Rtemp); |
duke@435 | 2996 | __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
duke@435 | 2997 | // Make sure we don't need to mask Rret for tosBits after the above shift |
duke@435 | 2998 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 2999 | __ sll(Rret, LogBytesPerWord, Rret); |
duke@435 | 3000 | __ ld_ptr(Rtemp, Rret, Rret); // get return address |
duke@435 | 3001 | |
duke@435 | 3002 | // get receiver klass |
duke@435 | 3003 | __ null_check(O0, oopDesc::klass_offset_in_bytes()); |
coleenp@548 | 3004 | __ load_klass(O0, Rrecv); |
duke@435 | 3005 | __ verify_oop(Rrecv); |
duke@435 | 3006 | |
duke@435 | 3007 | __ profile_virtual_call(Rrecv, O4); |
duke@435 | 3008 | |
duke@435 | 3009 | generate_vtable_call(Rrecv, Rscratch, Rret); |
duke@435 | 3010 | } |
duke@435 | 3011 | |
duke@435 | 3012 | void TemplateTable::fast_invokevfinal(int byte_no) { |
duke@435 | 3013 | transition(vtos, vtos); |
jrose@1920 | 3014 | assert(byte_no == f2_byte, "use this argument"); |
duke@435 | 3015 | |
duke@435 | 3016 | load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Lscratch, true, |
jrose@1920 | 3017 | /*is_invokevfinal*/true, false); |
duke@435 | 3018 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
duke@435 | 3019 | invokevfinal_helper(G3_scratch, Lscratch); |
duke@435 | 3020 | } |
duke@435 | 3021 | |
duke@435 | 3022 | void TemplateTable::invokevfinal_helper(Register Rscratch, Register Rret) { |
duke@435 | 3023 | Register Rtemp = G4_scratch; |
duke@435 | 3024 | |
duke@435 | 3025 | __ verify_oop(G5_method); |
duke@435 | 3026 | |
duke@435 | 3027 | // Load receiver from stack slot |
twisti@1162 | 3028 | __ lduh(G5_method, in_bytes(methodOopDesc::size_of_parameters_offset()), G4_scratch); |
duke@435 | 3029 | __ load_receiver(G4_scratch, O0); |
duke@435 | 3030 | |
duke@435 | 3031 | // receiver NULL check |
duke@435 | 3032 | __ null_check(O0); |
duke@435 | 3033 | |
duke@435 | 3034 | __ profile_final_call(O4); |
duke@435 | 3035 | |
duke@435 | 3036 | // get return address |
twisti@1162 | 3037 | AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
twisti@1162 | 3038 | __ set(table, Rtemp); |
duke@435 | 3039 | __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
duke@435 | 3040 | // Make sure we don't need to mask Rret for tosBits after the above shift |
duke@435 | 3041 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 3042 | __ sll(Rret, LogBytesPerWord, Rret); |
duke@435 | 3043 | __ ld_ptr(Rtemp, Rret, Rret); // get return address |
duke@435 | 3044 | |
duke@435 | 3045 | |
duke@435 | 3046 | // do the call |
duke@435 | 3047 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
duke@435 | 3048 | } |
duke@435 | 3049 | |
duke@435 | 3050 | void TemplateTable::invokespecial(int byte_no) { |
duke@435 | 3051 | transition(vtos, vtos); |
jrose@1920 | 3052 | assert(byte_no == f1_byte, "use this argument"); |
duke@435 | 3053 | |
duke@435 | 3054 | Register Rscratch = G3_scratch; |
duke@435 | 3055 | Register Rtemp = G4_scratch; |
duke@435 | 3056 | Register Rret = Lscratch; |
duke@435 | 3057 | |
jrose@1920 | 3058 | load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, /*virtual*/ false, false, false); |
duke@435 | 3059 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
duke@435 | 3060 | |
duke@435 | 3061 | __ verify_oop(G5_method); |
duke@435 | 3062 | |
twisti@1162 | 3063 | __ lduh(G5_method, in_bytes(methodOopDesc::size_of_parameters_offset()), G4_scratch); |
duke@435 | 3064 | __ load_receiver(G4_scratch, O0); |
duke@435 | 3065 | |
duke@435 | 3066 | // receiver NULL check |
duke@435 | 3067 | __ null_check(O0); |
duke@435 | 3068 | |
duke@435 | 3069 | __ profile_call(O4); |
duke@435 | 3070 | |
duke@435 | 3071 | // get return address |
twisti@1162 | 3072 | AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
twisti@1162 | 3073 | __ set(table, Rtemp); |
duke@435 | 3074 | __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
duke@435 | 3075 | // Make sure we don't need to mask Rret for tosBits after the above shift |
duke@435 | 3076 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 3077 | __ sll(Rret, LogBytesPerWord, Rret); |
duke@435 | 3078 | __ ld_ptr(Rtemp, Rret, Rret); // get return address |
duke@435 | 3079 | |
duke@435 | 3080 | // do the call |
duke@435 | 3081 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
duke@435 | 3082 | } |
duke@435 | 3083 | |
duke@435 | 3084 | void TemplateTable::invokestatic(int byte_no) { |
duke@435 | 3085 | transition(vtos, vtos); |
jrose@1920 | 3086 | assert(byte_no == f1_byte, "use this argument"); |
duke@435 | 3087 | |
duke@435 | 3088 | Register Rscratch = G3_scratch; |
duke@435 | 3089 | Register Rtemp = G4_scratch; |
duke@435 | 3090 | Register Rret = Lscratch; |
duke@435 | 3091 | |
jrose@1920 | 3092 | load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, /*virtual*/ false, false, false); |
duke@435 | 3093 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
duke@435 | 3094 | |
duke@435 | 3095 | __ verify_oop(G5_method); |
duke@435 | 3096 | |
duke@435 | 3097 | __ profile_call(O4); |
duke@435 | 3098 | |
duke@435 | 3099 | // get return address |
twisti@1162 | 3100 | AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
twisti@1162 | 3101 | __ set(table, Rtemp); |
duke@435 | 3102 | __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
duke@435 | 3103 | // Make sure we don't need to mask Rret for tosBits after the above shift |
duke@435 | 3104 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 3105 | __ sll(Rret, LogBytesPerWord, Rret); |
duke@435 | 3106 | __ ld_ptr(Rtemp, Rret, Rret); // get return address |
duke@435 | 3107 | |
duke@435 | 3108 | // do the call |
duke@435 | 3109 | __ call_from_interpreter(Rscratch, Gargs, Rret); |
duke@435 | 3110 | } |
duke@435 | 3111 | |
duke@435 | 3112 | |
duke@435 | 3113 | void TemplateTable::invokeinterface_object_method(Register RklassOop, |
duke@435 | 3114 | Register Rcall, |
duke@435 | 3115 | Register Rret, |
duke@435 | 3116 | Register Rflags) { |
duke@435 | 3117 | Register Rscratch = G4_scratch; |
duke@435 | 3118 | Register Rindex = Lscratch; |
duke@435 | 3119 | |
duke@435 | 3120 | assert_different_registers(Rscratch, Rindex, Rret); |
duke@435 | 3121 | |
duke@435 | 3122 | Label notFinal; |
duke@435 | 3123 | |
duke@435 | 3124 | // Check for vfinal |
duke@435 | 3125 | __ set((1 << ConstantPoolCacheEntry::vfinalMethod), Rscratch); |
duke@435 | 3126 | __ btst(Rflags, Rscratch); |
duke@435 | 3127 | __ br(Assembler::zero, false, Assembler::pt, notFinal); |
duke@435 | 3128 | __ delayed()->nop(); |
duke@435 | 3129 | |
duke@435 | 3130 | __ profile_final_call(O4); |
duke@435 | 3131 | |
duke@435 | 3132 | // do the call - the index (f2) contains the methodOop |
duke@435 | 3133 | assert_different_registers(G5_method, Gargs, Rcall); |
duke@435 | 3134 | __ mov(Rindex, G5_method); |
duke@435 | 3135 | __ call_from_interpreter(Rcall, Gargs, Rret); |
duke@435 | 3136 | __ bind(notFinal); |
duke@435 | 3137 | |
duke@435 | 3138 | __ profile_virtual_call(RklassOop, O4); |
duke@435 | 3139 | generate_vtable_call(RklassOop, Rindex, Rret); |
duke@435 | 3140 | } |
duke@435 | 3141 | |
duke@435 | 3142 | |
duke@435 | 3143 | void TemplateTable::invokeinterface(int byte_no) { |
duke@435 | 3144 | transition(vtos, vtos); |
jrose@1920 | 3145 | assert(byte_no == f1_byte, "use this argument"); |
duke@435 | 3146 | |
duke@435 | 3147 | Register Rscratch = G4_scratch; |
duke@435 | 3148 | Register Rret = G3_scratch; |
duke@435 | 3149 | Register Rindex = Lscratch; |
duke@435 | 3150 | Register Rinterface = G1_scratch; |
duke@435 | 3151 | Register RklassOop = G5_method; |
duke@435 | 3152 | Register Rflags = O1; |
duke@435 | 3153 | assert_different_registers(Rscratch, G5_method); |
duke@435 | 3154 | |
jrose@1920 | 3155 | load_invoke_cp_cache_entry(byte_no, Rinterface, Rindex, Rflags, /*virtual*/ false, false, false); |
duke@435 | 3156 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
duke@435 | 3157 | |
duke@435 | 3158 | // get receiver |
duke@435 | 3159 | __ and3(Rflags, 0xFF, Rscratch); // gets number of parameters |
duke@435 | 3160 | __ load_receiver(Rscratch, O0); |
duke@435 | 3161 | __ verify_oop(O0); |
duke@435 | 3162 | |
duke@435 | 3163 | __ mov(Rflags, Rret); |
duke@435 | 3164 | |
duke@435 | 3165 | // get return address |
twisti@1162 | 3166 | AddressLiteral table(Interpreter::return_5_addrs_by_index_table()); |
twisti@1162 | 3167 | __ set(table, Rscratch); |
duke@435 | 3168 | __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
duke@435 | 3169 | // Make sure we don't need to mask Rret for tosBits after the above shift |
duke@435 | 3170 | ConstantPoolCacheEntry::verify_tosBits(); |
duke@435 | 3171 | __ sll(Rret, LogBytesPerWord, Rret); |
duke@435 | 3172 | __ ld_ptr(Rscratch, Rret, Rret); // get return address |
duke@435 | 3173 | |
duke@435 | 3174 | // get receiver klass |
duke@435 | 3175 | __ null_check(O0, oopDesc::klass_offset_in_bytes()); |
coleenp@548 | 3176 | __ load_klass(O0, RklassOop); |
duke@435 | 3177 | __ verify_oop(RklassOop); |
duke@435 | 3178 | |
duke@435 | 3179 | // Special case of invokeinterface called for virtual method of |
duke@435 | 3180 | // java.lang.Object. See cpCacheOop.cpp for details. |
duke@435 | 3181 | // This code isn't produced by javac, but could be produced by |
duke@435 | 3182 | // another compliant java compiler. |
duke@435 | 3183 | Label notMethod; |
duke@435 | 3184 | __ set((1 << ConstantPoolCacheEntry::methodInterface), Rscratch); |
duke@435 | 3185 | __ btst(Rflags, Rscratch); |
duke@435 | 3186 | __ br(Assembler::zero, false, Assembler::pt, notMethod); |
duke@435 | 3187 | __ delayed()->nop(); |
duke@435 | 3188 | |
duke@435 | 3189 | invokeinterface_object_method(RklassOop, Rinterface, Rret, Rflags); |
duke@435 | 3190 | |
duke@435 | 3191 | __ bind(notMethod); |
duke@435 | 3192 | |
duke@435 | 3193 | __ profile_virtual_call(RklassOop, O4); |
duke@435 | 3194 | |
duke@435 | 3195 | // |
duke@435 | 3196 | // find entry point to call |
duke@435 | 3197 | // |
duke@435 | 3198 | |
duke@435 | 3199 | // compute start of first itableOffsetEntry (which is at end of vtable) |
duke@435 | 3200 | const int base = instanceKlass::vtable_start_offset() * wordSize; |
duke@435 | 3201 | Label search; |
duke@435 | 3202 | Register Rtemp = Rflags; |
duke@435 | 3203 | |
twisti@1162 | 3204 | __ ld(RklassOop, instanceKlass::vtable_length_offset() * wordSize, Rtemp); |
duke@435 | 3205 | if (align_object_offset(1) > 1) { |
duke@435 | 3206 | __ round_to(Rtemp, align_object_offset(1)); |
duke@435 | 3207 | } |
duke@435 | 3208 | __ sll(Rtemp, LogBytesPerWord, Rtemp); // Rscratch *= 4; |
duke@435 | 3209 | if (Assembler::is_simm13(base)) { |
duke@435 | 3210 | __ add(Rtemp, base, Rtemp); |
duke@435 | 3211 | } else { |
duke@435 | 3212 | __ set(base, Rscratch); |
duke@435 | 3213 | __ add(Rscratch, Rtemp, Rtemp); |
duke@435 | 3214 | } |
duke@435 | 3215 | __ add(RklassOop, Rtemp, Rscratch); |
duke@435 | 3216 | |
duke@435 | 3217 | __ bind(search); |
duke@435 | 3218 | |
duke@435 | 3219 | __ ld_ptr(Rscratch, itableOffsetEntry::interface_offset_in_bytes(), Rtemp); |
duke@435 | 3220 | { |
duke@435 | 3221 | Label ok; |
duke@435 | 3222 | |
duke@435 | 3223 | // Check that entry is non-null. Null entries are probably a bytecode |
twisti@1040 | 3224 | // problem. If the interface isn't implemented by the receiver class, |
duke@435 | 3225 | // the VM should throw IncompatibleClassChangeError. linkResolver checks |
duke@435 | 3226 | // this too but that's only if the entry isn't already resolved, so we |
duke@435 | 3227 | // need to check again. |
kvn@3037 | 3228 | __ br_notnull_short( Rtemp, Assembler::pt, ok); |
duke@435 | 3229 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError)); |
duke@435 | 3230 | __ should_not_reach_here(); |
duke@435 | 3231 | __ bind(ok); |
duke@435 | 3232 | __ verify_oop(Rtemp); |
duke@435 | 3233 | } |
duke@435 | 3234 | |
duke@435 | 3235 | __ verify_oop(Rinterface); |
duke@435 | 3236 | |
duke@435 | 3237 | __ cmp(Rinterface, Rtemp); |
duke@435 | 3238 | __ brx(Assembler::notEqual, true, Assembler::pn, search); |
duke@435 | 3239 | __ delayed()->add(Rscratch, itableOffsetEntry::size() * wordSize, Rscratch); |
duke@435 | 3240 | |
duke@435 | 3241 | // entry found and Rscratch points to it |
duke@435 | 3242 | __ ld(Rscratch, itableOffsetEntry::offset_offset_in_bytes(), Rscratch); |
duke@435 | 3243 | |
duke@435 | 3244 | assert(itableMethodEntry::method_offset_in_bytes() == 0, "adjust instruction below"); |
duke@435 | 3245 | __ sll(Rindex, exact_log2(itableMethodEntry::size() * wordSize), Rindex); // Rindex *= 8; |
duke@435 | 3246 | __ add(Rscratch, Rindex, Rscratch); |
duke@435 | 3247 | __ ld_ptr(RklassOop, Rscratch, G5_method); |
duke@435 | 3248 | |
duke@435 | 3249 | // Check for abstract method error. |
duke@435 | 3250 | { |
duke@435 | 3251 | Label ok; |
kvn@3037 | 3252 | __ br_notnull_short(G5_method, Assembler::pt, ok); |
duke@435 | 3253 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError)); |
duke@435 | 3254 | __ should_not_reach_here(); |
duke@435 | 3255 | __ bind(ok); |
duke@435 | 3256 | } |
duke@435 | 3257 | |
duke@435 | 3258 | Register Rcall = Rinterface; |
duke@435 | 3259 | assert_different_registers(Rcall, G5_method, Gargs, Rret); |
duke@435 | 3260 | |
duke@435 | 3261 | __ verify_oop(G5_method); |
duke@435 | 3262 | __ call_from_interpreter(Rcall, Gargs, Rret); |
duke@435 | 3263 | |
duke@435 | 3264 | } |
duke@435 | 3265 | |
duke@435 | 3266 | |
jrose@1161 | 3267 | void TemplateTable::invokedynamic(int byte_no) { |
jrose@1161 | 3268 | transition(vtos, vtos); |
jrose@1920 | 3269 | assert(byte_no == f1_oop, "use this argument"); |
jrose@1161 | 3270 | |
jrose@1161 | 3271 | if (!EnableInvokeDynamic) { |
jrose@1161 | 3272 | // We should not encounter this bytecode if !EnableInvokeDynamic. |
jrose@1161 | 3273 | // The verifier will stop it. However, if we get past the verifier, |
jrose@1161 | 3274 | // this will stop the thread in a reasonable way, without crashing the JVM. |
jrose@1161 | 3275 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
jrose@1161 | 3276 | InterpreterRuntime::throw_IncompatibleClassChangeError)); |
jrose@1161 | 3277 | // the call_VM checks for exception, so we should never return here. |
jrose@1161 | 3278 | __ should_not_reach_here(); |
jrose@1161 | 3279 | return; |
jrose@1161 | 3280 | } |
jrose@1161 | 3281 | |
twisti@1858 | 3282 | // G5: CallSite object (f1) |
twisti@1858 | 3283 | // XX: unused (f2) |
twisti@1858 | 3284 | // XX: flags (unused) |
twisti@1858 | 3285 | |
twisti@1858 | 3286 | Register G5_callsite = G5_method; |
twisti@1858 | 3287 | Register Rscratch = G3_scratch; |
twisti@1858 | 3288 | Register Rtemp = G1_scratch; |
twisti@1858 | 3289 | Register Rret = Lscratch; |
twisti@1858 | 3290 | |
jrose@1920 | 3291 | load_invoke_cp_cache_entry(byte_no, G5_callsite, noreg, Rret, |
jrose@1920 | 3292 | /*virtual*/ false, /*vfinal*/ false, /*indy*/ true); |
twisti@1858 | 3293 | __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
twisti@1858 | 3294 | |
twisti@1858 | 3295 | // profile this call |
twisti@1858 | 3296 | __ profile_call(O4); |
twisti@1858 | 3297 | |
twisti@1858 | 3298 | // get return address |
twisti@1858 | 3299 | AddressLiteral table(Interpreter::return_5_addrs_by_index_table()); |
twisti@1858 | 3300 | __ set(table, Rtemp); |
twisti@1858 | 3301 | __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
twisti@1858 | 3302 | // Make sure we don't need to mask Rret for tosBits after the above shift |
twisti@1858 | 3303 | ConstantPoolCacheEntry::verify_tosBits(); |
twisti@1858 | 3304 | __ sll(Rret, LogBytesPerWord, Rret); |
twisti@1858 | 3305 | __ ld_ptr(Rtemp, Rret, Rret); // get return address |
twisti@1858 | 3306 | |
twisti@2811 | 3307 | __ verify_oop(G5_callsite); |
jrose@2639 | 3308 | __ load_heap_oop(G5_callsite, __ delayed_value(java_lang_invoke_CallSite::target_offset_in_bytes, Rscratch), G3_method_handle); |
twisti@1858 | 3309 | __ null_check(G3_method_handle); |
twisti@2811 | 3310 | __ verify_oop(G3_method_handle); |
twisti@1858 | 3311 | |
twisti@1858 | 3312 | // Adjust Rret first so Llast_SP can be same as Rret |
twisti@1858 | 3313 | __ add(Rret, -frame::pc_return_offset, O7); |
twisti@1858 | 3314 | __ add(Lesp, BytesPerWord, Gargs); // setup parameter pointer |
twisti@1858 | 3315 | __ jump_to_method_handle_entry(G3_method_handle, Rtemp, /* emit_delayed_nop */ false); |
twisti@1858 | 3316 | // Record SP so we can remove any stack space allocated by adapter transition |
twisti@1858 | 3317 | __ delayed()->mov(SP, Llast_SP); |
jrose@1161 | 3318 | } |
jrose@1161 | 3319 | |
jrose@1161 | 3320 | |
duke@435 | 3321 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 3322 | // Allocation |
duke@435 | 3323 | |
duke@435 | 3324 | void TemplateTable::_new() { |
duke@435 | 3325 | transition(vtos, atos); |
duke@435 | 3326 | |
duke@435 | 3327 | Label slow_case; |
duke@435 | 3328 | Label done; |
duke@435 | 3329 | Label initialize_header; |
duke@435 | 3330 | Label initialize_object; // including clearing the fields |
duke@435 | 3331 | |
duke@435 | 3332 | Register RallocatedObject = Otos_i; |
duke@435 | 3333 | Register RinstanceKlass = O1; |
duke@435 | 3334 | Register Roffset = O3; |
duke@435 | 3335 | Register Rscratch = O4; |
duke@435 | 3336 | |
duke@435 | 3337 | __ get_2_byte_integer_at_bcp(1, Rscratch, Roffset, InterpreterMacroAssembler::Unsigned); |
duke@435 | 3338 | __ get_cpool_and_tags(Rscratch, G3_scratch); |
duke@435 | 3339 | // make sure the class we're about to instantiate has been resolved |
bobv@2036 | 3340 | // This is done before loading instanceKlass to be consistent with the order |
bobv@2036 | 3341 | // how Constant Pool is updated (see constantPoolOopDesc::klass_at_put) |
duke@435 | 3342 | __ add(G3_scratch, typeArrayOopDesc::header_size(T_BYTE) * wordSize, G3_scratch); |
duke@435 | 3343 | __ ldub(G3_scratch, Roffset, G3_scratch); |
duke@435 | 3344 | __ cmp(G3_scratch, JVM_CONSTANT_Class); |
duke@435 | 3345 | __ br(Assembler::notEqual, false, Assembler::pn, slow_case); |
duke@435 | 3346 | __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); |
bobv@2036 | 3347 | // get instanceKlass |
duke@435 | 3348 | //__ sll(Roffset, LogBytesPerWord, Roffset); // executed in delay slot |
duke@435 | 3349 | __ add(Roffset, sizeof(constantPoolOopDesc), Roffset); |
duke@435 | 3350 | __ ld_ptr(Rscratch, Roffset, RinstanceKlass); |
duke@435 | 3351 | |
duke@435 | 3352 | // make sure klass is fully initialized: |
kvn@3400 | 3353 | __ ldub(RinstanceKlass, in_bytes(instanceKlass::init_state_offset()), G3_scratch); |
duke@435 | 3354 | __ cmp(G3_scratch, instanceKlass::fully_initialized); |
duke@435 | 3355 | __ br(Assembler::notEqual, false, Assembler::pn, slow_case); |
stefank@3391 | 3356 | __ delayed()->ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
duke@435 | 3357 | |
duke@435 | 3358 | // get instance_size in instanceKlass (already aligned) |
stefank@3391 | 3359 | //__ ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
duke@435 | 3360 | |
duke@435 | 3361 | // make sure klass does not have has_finalizer, or is abstract, or interface or java/lang/Class |
duke@435 | 3362 | __ btst(Klass::_lh_instance_slow_path_bit, Roffset); |
duke@435 | 3363 | __ br(Assembler::notZero, false, Assembler::pn, slow_case); |
duke@435 | 3364 | __ delayed()->nop(); |
duke@435 | 3365 | |
duke@435 | 3366 | // allocate the instance |
duke@435 | 3367 | // 1) Try to allocate in the TLAB |
duke@435 | 3368 | // 2) if fail, and the TLAB is not full enough to discard, allocate in the shared Eden |
duke@435 | 3369 | // 3) if the above fails (or is not applicable), go to a slow case |
duke@435 | 3370 | // (creates a new TLAB, etc.) |
duke@435 | 3371 | |
duke@435 | 3372 | const bool allow_shared_alloc = |
duke@435 | 3373 | Universe::heap()->supports_inline_contig_alloc() && !CMSIncrementalMode; |
duke@435 | 3374 | |
duke@435 | 3375 | if(UseTLAB) { |
duke@435 | 3376 | Register RoldTopValue = RallocatedObject; |
kvn@3092 | 3377 | Register RtlabWasteLimitValue = G3_scratch; |
duke@435 | 3378 | Register RnewTopValue = G1_scratch; |
duke@435 | 3379 | Register RendValue = Rscratch; |
duke@435 | 3380 | Register RfreeValue = RnewTopValue; |
duke@435 | 3381 | |
duke@435 | 3382 | // check if we can allocate in the TLAB |
duke@435 | 3383 | __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_top_offset()), RoldTopValue); // sets up RalocatedObject |
duke@435 | 3384 | __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_end_offset()), RendValue); |
duke@435 | 3385 | __ add(RoldTopValue, Roffset, RnewTopValue); |
duke@435 | 3386 | |
duke@435 | 3387 | // if there is enough space, we do not CAS and do not clear |
duke@435 | 3388 | __ cmp(RnewTopValue, RendValue); |
duke@435 | 3389 | if(ZeroTLAB) { |
duke@435 | 3390 | // the fields have already been cleared |
duke@435 | 3391 | __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_header); |
duke@435 | 3392 | } else { |
duke@435 | 3393 | // initialize both the header and fields |
duke@435 | 3394 | __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_object); |
duke@435 | 3395 | } |
duke@435 | 3396 | __ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset())); |
duke@435 | 3397 | |
duke@435 | 3398 | if (allow_shared_alloc) { |
phh@2423 | 3399 | // Check if tlab should be discarded (refill_waste_limit >= free) |
phh@2423 | 3400 | __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue); |
phh@2423 | 3401 | __ sub(RendValue, RoldTopValue, RfreeValue); |
duke@435 | 3402 | #ifdef _LP64 |
phh@2423 | 3403 | __ srlx(RfreeValue, LogHeapWordSize, RfreeValue); |
duke@435 | 3404 | #else |
phh@2423 | 3405 | __ srl(RfreeValue, LogHeapWordSize, RfreeValue); |
duke@435 | 3406 | #endif |
kvn@3037 | 3407 | __ cmp_and_brx_short(RtlabWasteLimitValue, RfreeValue, Assembler::greaterEqualUnsigned, Assembler::pt, slow_case); // tlab waste is small |
phh@2423 | 3408 | |
phh@2423 | 3409 | // increment waste limit to prevent getting stuck on this slow path |
phh@2423 | 3410 | __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue); |
phh@2423 | 3411 | __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset())); |
duke@435 | 3412 | } else { |
duke@435 | 3413 | // No allocation in the shared eden. |
kvn@3037 | 3414 | __ ba_short(slow_case); |
duke@435 | 3415 | } |
duke@435 | 3416 | } |
duke@435 | 3417 | |
duke@435 | 3418 | // Allocation in the shared Eden |
duke@435 | 3419 | if (allow_shared_alloc) { |
duke@435 | 3420 | Register RoldTopValue = G1_scratch; |
duke@435 | 3421 | Register RtopAddr = G3_scratch; |
duke@435 | 3422 | Register RnewTopValue = RallocatedObject; |
duke@435 | 3423 | Register RendValue = Rscratch; |
duke@435 | 3424 | |
duke@435 | 3425 | __ set((intptr_t)Universe::heap()->top_addr(), RtopAddr); |
duke@435 | 3426 | |
duke@435 | 3427 | Label retry; |
duke@435 | 3428 | __ bind(retry); |
duke@435 | 3429 | __ set((intptr_t)Universe::heap()->end_addr(), RendValue); |
duke@435 | 3430 | __ ld_ptr(RendValue, 0, RendValue); |
duke@435 | 3431 | __ ld_ptr(RtopAddr, 0, RoldTopValue); |
duke@435 | 3432 | __ add(RoldTopValue, Roffset, RnewTopValue); |
duke@435 | 3433 | |
duke@435 | 3434 | // RnewTopValue contains the top address after the new object |
duke@435 | 3435 | // has been allocated. |
kvn@3037 | 3436 | __ cmp_and_brx_short(RnewTopValue, RendValue, Assembler::greaterUnsigned, Assembler::pn, slow_case); |
duke@435 | 3437 | |
duke@435 | 3438 | __ casx_under_lock(RtopAddr, RoldTopValue, RnewTopValue, |
duke@435 | 3439 | VM_Version::v9_instructions_work() ? NULL : |
duke@435 | 3440 | (address)StubRoutines::Sparc::atomic_memory_operation_lock_addr()); |
duke@435 | 3441 | |
duke@435 | 3442 | // if someone beat us on the allocation, try again, otherwise continue |
kvn@3037 | 3443 | __ cmp_and_brx_short(RoldTopValue, RnewTopValue, Assembler::notEqual, Assembler::pn, retry); |
phh@2423 | 3444 | |
phh@2423 | 3445 | // bump total bytes allocated by this thread |
phh@2447 | 3446 | // RoldTopValue and RtopAddr are dead, so can use G1 and G3 |
phh@2447 | 3447 | __ incr_allocated_bytes(Roffset, G1_scratch, G3_scratch); |
duke@435 | 3448 | } |
duke@435 | 3449 | |
duke@435 | 3450 | if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) { |
duke@435 | 3451 | // clear object fields |
duke@435 | 3452 | __ bind(initialize_object); |
duke@435 | 3453 | __ deccc(Roffset, sizeof(oopDesc)); |
duke@435 | 3454 | __ br(Assembler::zero, false, Assembler::pt, initialize_header); |
duke@435 | 3455 | __ delayed()->add(RallocatedObject, sizeof(oopDesc), G3_scratch); |
duke@435 | 3456 | |
duke@435 | 3457 | // initialize remaining object fields |
kvn@3092 | 3458 | if (UseBlockZeroing) { |
kvn@3092 | 3459 | // Use BIS for zeroing |
kvn@3092 | 3460 | __ bis_zeroing(G3_scratch, Roffset, G1_scratch, initialize_header); |
kvn@3092 | 3461 | } else { |
kvn@3092 | 3462 | Label loop; |
duke@435 | 3463 | __ subcc(Roffset, wordSize, Roffset); |
duke@435 | 3464 | __ bind(loop); |
duke@435 | 3465 | //__ subcc(Roffset, wordSize, Roffset); // executed above loop or in delay slot |
duke@435 | 3466 | __ st_ptr(G0, G3_scratch, Roffset); |
duke@435 | 3467 | __ br(Assembler::notEqual, false, Assembler::pt, loop); |
duke@435 | 3468 | __ delayed()->subcc(Roffset, wordSize, Roffset); |
duke@435 | 3469 | } |
kvn@3037 | 3470 | __ ba_short(initialize_header); |
duke@435 | 3471 | } |
duke@435 | 3472 | |
duke@435 | 3473 | // slow case |
duke@435 | 3474 | __ bind(slow_case); |
duke@435 | 3475 | __ get_2_byte_integer_at_bcp(1, G3_scratch, O2, InterpreterMacroAssembler::Unsigned); |
duke@435 | 3476 | __ get_constant_pool(O1); |
duke@435 | 3477 | |
duke@435 | 3478 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::_new), O1, O2); |
duke@435 | 3479 | |
kvn@3037 | 3480 | __ ba_short(done); |
duke@435 | 3481 | |
duke@435 | 3482 | // Initialize the header: mark, klass |
duke@435 | 3483 | __ bind(initialize_header); |
duke@435 | 3484 | |
duke@435 | 3485 | if (UseBiasedLocking) { |
stefank@3391 | 3486 | __ ld_ptr(RinstanceKlass, in_bytes(Klass::prototype_header_offset()), G4_scratch); |
duke@435 | 3487 | } else { |
duke@435 | 3488 | __ set((intptr_t)markOopDesc::prototype(), G4_scratch); |
duke@435 | 3489 | } |
duke@435 | 3490 | __ st_ptr(G4_scratch, RallocatedObject, oopDesc::mark_offset_in_bytes()); // mark |
coleenp@602 | 3491 | __ store_klass_gap(G0, RallocatedObject); // klass gap if compressed |
coleenp@602 | 3492 | __ store_klass(RinstanceKlass, RallocatedObject); // klass (last for cms) |
duke@435 | 3493 | |
duke@435 | 3494 | { |
duke@435 | 3495 | SkipIfEqual skip_if( |
duke@435 | 3496 | _masm, G4_scratch, &DTraceAllocProbes, Assembler::zero); |
duke@435 | 3497 | // Trigger dtrace event |
duke@435 | 3498 | __ push(atos); |
duke@435 | 3499 | __ call_VM_leaf(noreg, |
duke@435 | 3500 | CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc), O0); |
duke@435 | 3501 | __ pop(atos); |
duke@435 | 3502 | } |
duke@435 | 3503 | |
duke@435 | 3504 | // continue |
duke@435 | 3505 | __ bind(done); |
duke@435 | 3506 | } |
duke@435 | 3507 | |
duke@435 | 3508 | |
duke@435 | 3509 | |
duke@435 | 3510 | void TemplateTable::newarray() { |
duke@435 | 3511 | transition(itos, atos); |
duke@435 | 3512 | __ ldub(Lbcp, 1, O1); |
duke@435 | 3513 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::newarray), O1, Otos_i); |
duke@435 | 3514 | } |
duke@435 | 3515 | |
duke@435 | 3516 | |
duke@435 | 3517 | void TemplateTable::anewarray() { |
duke@435 | 3518 | transition(itos, atos); |
duke@435 | 3519 | __ get_constant_pool(O1); |
duke@435 | 3520 | __ get_2_byte_integer_at_bcp(1, G4_scratch, O2, InterpreterMacroAssembler::Unsigned); |
duke@435 | 3521 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::anewarray), O1, O2, Otos_i); |
duke@435 | 3522 | } |
duke@435 | 3523 | |
duke@435 | 3524 | |
duke@435 | 3525 | void TemplateTable::arraylength() { |
duke@435 | 3526 | transition(atos, itos); |
duke@435 | 3527 | Label ok; |
duke@435 | 3528 | __ verify_oop(Otos_i); |
duke@435 | 3529 | __ tst(Otos_i); |
duke@435 | 3530 | __ throw_if_not_1_x( Assembler::notZero, ok ); |
duke@435 | 3531 | __ delayed()->ld(Otos_i, arrayOopDesc::length_offset_in_bytes(), Otos_i); |
duke@435 | 3532 | __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); |
duke@435 | 3533 | } |
duke@435 | 3534 | |
duke@435 | 3535 | |
duke@435 | 3536 | void TemplateTable::checkcast() { |
duke@435 | 3537 | transition(atos, atos); |
duke@435 | 3538 | Label done, is_null, quicked, cast_ok, resolved; |
duke@435 | 3539 | Register Roffset = G1_scratch; |
duke@435 | 3540 | Register RobjKlass = O5; |
duke@435 | 3541 | Register RspecifiedKlass = O4; |
duke@435 | 3542 | |
duke@435 | 3543 | // Check for casting a NULL |
kvn@3037 | 3544 | __ br_null_short(Otos_i, Assembler::pn, is_null); |
duke@435 | 3545 | |
duke@435 | 3546 | // Get value klass in RobjKlass |
coleenp@548 | 3547 | __ load_klass(Otos_i, RobjKlass); // get value klass |
duke@435 | 3548 | |
duke@435 | 3549 | // Get constant pool tag |
duke@435 | 3550 | __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); |
duke@435 | 3551 | |
duke@435 | 3552 | // See if the checkcast has been quickened |
duke@435 | 3553 | __ get_cpool_and_tags(Lscratch, G3_scratch); |
duke@435 | 3554 | __ add(G3_scratch, typeArrayOopDesc::header_size(T_BYTE) * wordSize, G3_scratch); |
duke@435 | 3555 | __ ldub(G3_scratch, Roffset, G3_scratch); |
duke@435 | 3556 | __ cmp(G3_scratch, JVM_CONSTANT_Class); |
duke@435 | 3557 | __ br(Assembler::equal, true, Assembler::pt, quicked); |
duke@435 | 3558 | __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); |
duke@435 | 3559 | |
duke@435 | 3560 | __ push_ptr(); // save receiver for result, and for GC |
duke@435 | 3561 | call_VM(RspecifiedKlass, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
duke@435 | 3562 | __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
duke@435 | 3563 | |
kvn@3037 | 3564 | __ ba_short(resolved); |
duke@435 | 3565 | |
duke@435 | 3566 | // Extract target class from constant pool |
duke@435 | 3567 | __ bind(quicked); |
duke@435 | 3568 | __ add(Roffset, sizeof(constantPoolOopDesc), Roffset); |
duke@435 | 3569 | __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); |
duke@435 | 3570 | __ bind(resolved); |
coleenp@548 | 3571 | __ load_klass(Otos_i, RobjKlass); // get value klass |
duke@435 | 3572 | |
duke@435 | 3573 | // Generate a fast subtype check. Branch to cast_ok if no |
duke@435 | 3574 | // failure. Throw exception if failure. |
duke@435 | 3575 | __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, cast_ok ); |
duke@435 | 3576 | |
duke@435 | 3577 | // Not a subtype; so must throw exception |
duke@435 | 3578 | __ throw_if_not_x( Assembler::never, Interpreter::_throw_ClassCastException_entry, G3_scratch ); |
duke@435 | 3579 | |
duke@435 | 3580 | __ bind(cast_ok); |
duke@435 | 3581 | |
duke@435 | 3582 | if (ProfileInterpreter) { |
kvn@3037 | 3583 | __ ba_short(done); |
duke@435 | 3584 | } |
duke@435 | 3585 | __ bind(is_null); |
duke@435 | 3586 | __ profile_null_seen(G3_scratch); |
duke@435 | 3587 | __ bind(done); |
duke@435 | 3588 | } |
duke@435 | 3589 | |
duke@435 | 3590 | |
duke@435 | 3591 | void TemplateTable::instanceof() { |
duke@435 | 3592 | Label done, is_null, quicked, resolved; |
duke@435 | 3593 | transition(atos, itos); |
duke@435 | 3594 | Register Roffset = G1_scratch; |
duke@435 | 3595 | Register RobjKlass = O5; |
duke@435 | 3596 | Register RspecifiedKlass = O4; |
duke@435 | 3597 | |
duke@435 | 3598 | // Check for casting a NULL |
kvn@3037 | 3599 | __ br_null_short(Otos_i, Assembler::pt, is_null); |
duke@435 | 3600 | |
duke@435 | 3601 | // Get value klass in RobjKlass |
coleenp@548 | 3602 | __ load_klass(Otos_i, RobjKlass); // get value klass |
duke@435 | 3603 | |
duke@435 | 3604 | // Get constant pool tag |
duke@435 | 3605 | __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); |
duke@435 | 3606 | |
duke@435 | 3607 | // See if the checkcast has been quickened |
duke@435 | 3608 | __ get_cpool_and_tags(Lscratch, G3_scratch); |
duke@435 | 3609 | __ add(G3_scratch, typeArrayOopDesc::header_size(T_BYTE) * wordSize, G3_scratch); |
duke@435 | 3610 | __ ldub(G3_scratch, Roffset, G3_scratch); |
duke@435 | 3611 | __ cmp(G3_scratch, JVM_CONSTANT_Class); |
duke@435 | 3612 | __ br(Assembler::equal, true, Assembler::pt, quicked); |
duke@435 | 3613 | __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); |
duke@435 | 3614 | |
duke@435 | 3615 | __ push_ptr(); // save receiver for result, and for GC |
duke@435 | 3616 | call_VM(RspecifiedKlass, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
duke@435 | 3617 | __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
duke@435 | 3618 | |
kvn@3037 | 3619 | __ ba_short(resolved); |
duke@435 | 3620 | |
duke@435 | 3621 | // Extract target class from constant pool |
duke@435 | 3622 | __ bind(quicked); |
duke@435 | 3623 | __ add(Roffset, sizeof(constantPoolOopDesc), Roffset); |
duke@435 | 3624 | __ get_constant_pool(Lscratch); |
duke@435 | 3625 | __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); |
duke@435 | 3626 | __ bind(resolved); |
coleenp@548 | 3627 | __ load_klass(Otos_i, RobjKlass); // get value klass |
duke@435 | 3628 | |
duke@435 | 3629 | // Generate a fast subtype check. Branch to cast_ok if no |
duke@435 | 3630 | // failure. Return 0 if failure. |
duke@435 | 3631 | __ or3(G0, 1, Otos_i); // set result assuming quick tests succeed |
duke@435 | 3632 | __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, done ); |
duke@435 | 3633 | // Not a subtype; return 0; |
duke@435 | 3634 | __ clr( Otos_i ); |
duke@435 | 3635 | |
duke@435 | 3636 | if (ProfileInterpreter) { |
kvn@3037 | 3637 | __ ba_short(done); |
duke@435 | 3638 | } |
duke@435 | 3639 | __ bind(is_null); |
duke@435 | 3640 | __ profile_null_seen(G3_scratch); |
duke@435 | 3641 | __ bind(done); |
duke@435 | 3642 | } |
duke@435 | 3643 | |
duke@435 | 3644 | void TemplateTable::_breakpoint() { |
duke@435 | 3645 | |
duke@435 | 3646 | // Note: We get here even if we are single stepping.. |
duke@435 | 3647 | // jbug inists on setting breakpoints at every bytecode |
duke@435 | 3648 | // even if we are in single step mode. |
duke@435 | 3649 | |
duke@435 | 3650 | transition(vtos, vtos); |
duke@435 | 3651 | // get the unpatched byte code |
duke@435 | 3652 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::get_original_bytecode_at), Lmethod, Lbcp); |
duke@435 | 3653 | __ mov(O0, Lbyte_code); |
duke@435 | 3654 | |
duke@435 | 3655 | // post the breakpoint event |
duke@435 | 3656 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::_breakpoint), Lmethod, Lbcp); |
duke@435 | 3657 | |
duke@435 | 3658 | // complete the execution of original bytecode |
duke@435 | 3659 | __ dispatch_normal(vtos); |
duke@435 | 3660 | } |
duke@435 | 3661 | |
duke@435 | 3662 | |
duke@435 | 3663 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 3664 | // Exceptions |
duke@435 | 3665 | |
duke@435 | 3666 | void TemplateTable::athrow() { |
duke@435 | 3667 | transition(atos, vtos); |
duke@435 | 3668 | |
duke@435 | 3669 | // This works because exception is cached in Otos_i which is same as O0, |
duke@435 | 3670 | // which is same as what throw_exception_entry_expects |
duke@435 | 3671 | assert(Otos_i == Oexception, "see explanation above"); |
duke@435 | 3672 | |
duke@435 | 3673 | __ verify_oop(Otos_i); |
duke@435 | 3674 | __ null_check(Otos_i); |
duke@435 | 3675 | __ throw_if_not_x(Assembler::never, Interpreter::throw_exception_entry(), G3_scratch); |
duke@435 | 3676 | } |
duke@435 | 3677 | |
duke@435 | 3678 | |
duke@435 | 3679 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 3680 | // Synchronization |
duke@435 | 3681 | |
duke@435 | 3682 | |
duke@435 | 3683 | // See frame_sparc.hpp for monitor block layout. |
duke@435 | 3684 | // Monitor elements are dynamically allocated by growing stack as needed. |
duke@435 | 3685 | |
duke@435 | 3686 | void TemplateTable::monitorenter() { |
duke@435 | 3687 | transition(atos, vtos); |
duke@435 | 3688 | __ verify_oop(Otos_i); |
duke@435 | 3689 | // Try to acquire a lock on the object |
duke@435 | 3690 | // Repeat until succeeded (i.e., until |
duke@435 | 3691 | // monitorenter returns true). |
duke@435 | 3692 | |
duke@435 | 3693 | { Label ok; |
duke@435 | 3694 | __ tst(Otos_i); |
duke@435 | 3695 | __ throw_if_not_1_x( Assembler::notZero, ok); |
duke@435 | 3696 | __ delayed()->mov(Otos_i, Lscratch); // save obj |
duke@435 | 3697 | __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); |
duke@435 | 3698 | } |
duke@435 | 3699 | |
duke@435 | 3700 | assert(O0 == Otos_i, "Be sure where the object to lock is"); |
duke@435 | 3701 | |
duke@435 | 3702 | // find a free slot in the monitor block |
duke@435 | 3703 | |
duke@435 | 3704 | |
duke@435 | 3705 | // initialize entry pointer |
duke@435 | 3706 | __ clr(O1); // points to free slot or NULL |
duke@435 | 3707 | |
duke@435 | 3708 | { |
duke@435 | 3709 | Label entry, loop, exit; |
duke@435 | 3710 | __ add( __ top_most_monitor(), O2 ); // last one to check |
kvn@3037 | 3711 | __ ba( entry ); |
duke@435 | 3712 | __ delayed()->mov( Lmonitors, O3 ); // first one to check |
duke@435 | 3713 | |
duke@435 | 3714 | |
duke@435 | 3715 | __ bind( loop ); |
duke@435 | 3716 | |
duke@435 | 3717 | __ verify_oop(O4); // verify each monitor's oop |
duke@435 | 3718 | __ tst(O4); // is this entry unused? |
duke@435 | 3719 | if (VM_Version::v9_instructions_work()) |
duke@435 | 3720 | __ movcc( Assembler::zero, false, Assembler::ptr_cc, O3, O1); |
duke@435 | 3721 | else { |
duke@435 | 3722 | Label L; |
duke@435 | 3723 | __ br( Assembler::zero, true, Assembler::pn, L ); |
duke@435 | 3724 | __ delayed()->mov(O3, O1); // rememeber this one if match |
duke@435 | 3725 | __ bind(L); |
duke@435 | 3726 | } |
duke@435 | 3727 | |
duke@435 | 3728 | __ cmp(O4, O0); // check if current entry is for same object |
duke@435 | 3729 | __ brx( Assembler::equal, false, Assembler::pn, exit ); |
duke@435 | 3730 | __ delayed()->inc( O3, frame::interpreter_frame_monitor_size() * wordSize ); // check next one |
duke@435 | 3731 | |
duke@435 | 3732 | __ bind( entry ); |
duke@435 | 3733 | |
duke@435 | 3734 | __ cmp( O3, O2 ); |
duke@435 | 3735 | __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); |
duke@435 | 3736 | __ delayed()->ld_ptr(O3, BasicObjectLock::obj_offset_in_bytes(), O4); |
duke@435 | 3737 | |
duke@435 | 3738 | __ bind( exit ); |
duke@435 | 3739 | } |
duke@435 | 3740 | |
duke@435 | 3741 | { Label allocated; |
duke@435 | 3742 | |
duke@435 | 3743 | // found free slot? |
kvn@3037 | 3744 | __ br_notnull_short(O1, Assembler::pn, allocated); |
duke@435 | 3745 | |
duke@435 | 3746 | __ add_monitor_to_stack( false, O2, O3 ); |
duke@435 | 3747 | __ mov(Lmonitors, O1); |
duke@435 | 3748 | |
duke@435 | 3749 | __ bind(allocated); |
duke@435 | 3750 | } |
duke@435 | 3751 | |
duke@435 | 3752 | // Increment bcp to point to the next bytecode, so exception handling for async. exceptions work correctly. |
duke@435 | 3753 | // The object has already been poped from the stack, so the expression stack looks correct. |
duke@435 | 3754 | __ inc(Lbcp); |
duke@435 | 3755 | |
duke@435 | 3756 | __ st_ptr(O0, O1, BasicObjectLock::obj_offset_in_bytes()); // store object |
duke@435 | 3757 | __ lock_object(O1, O0); |
duke@435 | 3758 | |
duke@435 | 3759 | // check if there's enough space on the stack for the monitors after locking |
duke@435 | 3760 | __ generate_stack_overflow_check(0); |
duke@435 | 3761 | |
duke@435 | 3762 | // The bcp has already been incremented. Just need to dispatch to next instruction. |
duke@435 | 3763 | __ dispatch_next(vtos); |
duke@435 | 3764 | } |
duke@435 | 3765 | |
duke@435 | 3766 | |
duke@435 | 3767 | void TemplateTable::monitorexit() { |
duke@435 | 3768 | transition(atos, vtos); |
duke@435 | 3769 | __ verify_oop(Otos_i); |
duke@435 | 3770 | __ tst(Otos_i); |
duke@435 | 3771 | __ throw_if_not_x( Assembler::notZero, Interpreter::_throw_NullPointerException_entry, G3_scratch ); |
duke@435 | 3772 | |
duke@435 | 3773 | assert(O0 == Otos_i, "just checking"); |
duke@435 | 3774 | |
duke@435 | 3775 | { Label entry, loop, found; |
duke@435 | 3776 | __ add( __ top_most_monitor(), O2 ); // last one to check |
kvn@3037 | 3777 | __ ba(entry); |
duke@435 | 3778 | // use Lscratch to hold monitor elem to check, start with most recent monitor, |
duke@435 | 3779 | // By using a local it survives the call to the C routine. |
duke@435 | 3780 | __ delayed()->mov( Lmonitors, Lscratch ); |
duke@435 | 3781 | |
duke@435 | 3782 | __ bind( loop ); |
duke@435 | 3783 | |
duke@435 | 3784 | __ verify_oop(O4); // verify each monitor's oop |
duke@435 | 3785 | __ cmp(O4, O0); // check if current entry is for desired object |
duke@435 | 3786 | __ brx( Assembler::equal, true, Assembler::pt, found ); |
duke@435 | 3787 | __ delayed()->mov(Lscratch, O1); // pass found entry as argument to monitorexit |
duke@435 | 3788 | |
duke@435 | 3789 | __ inc( Lscratch, frame::interpreter_frame_monitor_size() * wordSize ); // advance to next |
duke@435 | 3790 | |
duke@435 | 3791 | __ bind( entry ); |
duke@435 | 3792 | |
duke@435 | 3793 | __ cmp( Lscratch, O2 ); |
duke@435 | 3794 | __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); |
duke@435 | 3795 | __ delayed()->ld_ptr(Lscratch, BasicObjectLock::obj_offset_in_bytes(), O4); |
duke@435 | 3796 | |
duke@435 | 3797 | call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception)); |
duke@435 | 3798 | __ should_not_reach_here(); |
duke@435 | 3799 | |
duke@435 | 3800 | __ bind(found); |
duke@435 | 3801 | } |
duke@435 | 3802 | __ unlock_object(O1); |
duke@435 | 3803 | } |
duke@435 | 3804 | |
duke@435 | 3805 | |
duke@435 | 3806 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 3807 | // Wide instructions |
duke@435 | 3808 | |
duke@435 | 3809 | void TemplateTable::wide() { |
duke@435 | 3810 | transition(vtos, vtos); |
duke@435 | 3811 | __ ldub(Lbcp, 1, G3_scratch);// get next bc |
duke@435 | 3812 | __ sll(G3_scratch, LogBytesPerWord, G3_scratch); |
twisti@1162 | 3813 | AddressLiteral ep(Interpreter::_wentry_point); |
twisti@1162 | 3814 | __ set(ep, G4_scratch); |
twisti@1162 | 3815 | __ ld_ptr(G4_scratch, G3_scratch, G3_scratch); |
duke@435 | 3816 | __ jmp(G3_scratch, G0); |
duke@435 | 3817 | __ delayed()->nop(); |
duke@435 | 3818 | // Note: the Lbcp increment step is part of the individual wide bytecode implementations |
duke@435 | 3819 | } |
duke@435 | 3820 | |
duke@435 | 3821 | |
duke@435 | 3822 | //---------------------------------------------------------------------------------------------------- |
duke@435 | 3823 | // Multi arrays |
duke@435 | 3824 | |
duke@435 | 3825 | void TemplateTable::multianewarray() { |
duke@435 | 3826 | transition(vtos, atos); |
duke@435 | 3827 | // put ndims * wordSize into Lscratch |
duke@435 | 3828 | __ ldub( Lbcp, 3, Lscratch); |
twisti@1861 | 3829 | __ sll( Lscratch, Interpreter::logStackElementSize, Lscratch); |
duke@435 | 3830 | // Lesp points past last_dim, so set to O1 to first_dim address |
duke@435 | 3831 | __ add( Lesp, Lscratch, O1); |
duke@435 | 3832 | call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::multianewarray), O1); |
duke@435 | 3833 | __ add( Lesp, Lscratch, Lesp); // pop all dimensions off the stack |
duke@435 | 3834 | } |
duke@435 | 3835 | #endif /* !CC_INTERP */ |