Thu, 24 May 2018 19:49:50 +0800
some C1 fix
Contributed-by: chenhaoxuan, zhaixiang, aoqi
aoqi@1 | 1 | /* |
aoqi@1 | 2 | * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@8863 | 3 | * Copyright (c) 2015, 2018, Loongson Technology. All rights reserved. |
aoqi@1 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@1 | 5 | * |
aoqi@1 | 6 | * This code is free software; you can redistribute it and/or modify it |
aoqi@1 | 7 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@1 | 8 | * published by the Free Software Foundation. |
aoqi@1 | 9 | * |
aoqi@1 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@1 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@1 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@1 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@1 | 14 | * accompanied this code). |
aoqi@1 | 15 | * |
aoqi@1 | 16 | * You should have received a copy of the GNU General Public License version |
aoqi@1 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@1 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@1 | 19 | * |
aoqi@1 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@1 | 21 | * or visit www.oracle.com if you need additional information or have any |
aoqi@1 | 22 | * questions. |
aoqi@1 | 23 | * |
aoqi@1 | 24 | */ |
aoqi@1 | 25 | |
aoqi@1 | 26 | #include "precompiled.hpp" |
aoqi@1 | 27 | #include "c1/c1_Compilation.hpp" |
aoqi@1 | 28 | #include "c1/c1_FrameMap.hpp" |
aoqi@1 | 29 | #include "c1/c1_Instruction.hpp" |
aoqi@1 | 30 | #include "c1/c1_LIRAssembler.hpp" |
aoqi@1 | 31 | #include "c1/c1_LIRGenerator.hpp" |
aoqi@1 | 32 | #include "c1/c1_Runtime1.hpp" |
aoqi@1 | 33 | #include "c1/c1_ValueStack.hpp" |
aoqi@1 | 34 | #include "ci/ciArray.hpp" |
aoqi@1 | 35 | #include "ci/ciObjArrayKlass.hpp" |
aoqi@1 | 36 | #include "ci/ciTypeArrayKlass.hpp" |
aoqi@1 | 37 | #include "runtime/sharedRuntime.hpp" |
aoqi@1 | 38 | #include "runtime/stubRoutines.hpp" |
aoqi@1 | 39 | #include "vmreg_mips.inline.hpp" |
aoqi@1 | 40 | |
aoqi@1 | 41 | #ifdef ASSERT |
aoqi@1 | 42 | #define __ gen()->lir(__FILE__, __LINE__)-> |
aoqi@1 | 43 | #else |
aoqi@1 | 44 | #define __ gen()->lir()-> |
aoqi@1 | 45 | #endif |
aoqi@1 | 46 | |
aoqi@1 | 47 | // Item will be loaded into a byte register; Intel only |
aoqi@1 | 48 | void LIRItem::load_byte_item() { |
aoqi@1 | 49 | load_item(); |
aoqi@1 | 50 | LIR_Opr res = result(); |
aoqi@1 | 51 | |
aoqi@1 | 52 | if (!res->is_virtual() || !_gen->is_vreg_flag_set(res, LIRGenerator::byte_reg)) { |
aoqi@1 | 53 | // make sure that it is a byte register |
aoqi@1 | 54 | assert(!value()->type()->is_float() && !value()->type()->is_double(), |
aoqi@1 | 55 | "can't load floats in byte register"); |
aoqi@1 | 56 | LIR_Opr reg = _gen->rlock_byte(T_BYTE); |
aoqi@1 | 57 | __ move(res, reg); |
aoqi@1 | 58 | |
aoqi@1 | 59 | _result = reg; |
aoqi@1 | 60 | } |
aoqi@1 | 61 | } |
aoqi@1 | 62 | |
aoqi@1 | 63 | |
aoqi@1 | 64 | void LIRItem::load_nonconstant() { |
aoqi@1 | 65 | LIR_Opr r = value()->operand(); |
aoqi@1 | 66 | if (r->is_constant()) { |
aoqi@1 | 67 | _result = r; |
aoqi@1 | 68 | } else { |
aoqi@1 | 69 | load_item(); |
aoqi@1 | 70 | } |
aoqi@1 | 71 | } |
aoqi@1 | 72 | |
aoqi@1 | 73 | //-------------------------------------------------------------- |
aoqi@1 | 74 | // LIRGenerator |
aoqi@1 | 75 | //-------------------------------------------------------------- |
aoqi@1 | 76 | LIR_Opr LIRGenerator::exceptionOopOpr() { return FrameMap::_v0_oop_opr; } |
aoqi@1 | 77 | LIR_Opr LIRGenerator::exceptionPcOpr() { return FrameMap::_v1_opr; } |
aoqi@6880 | 78 | LIR_Opr LIRGenerator::divInOpr() { return FrameMap::_a0_opr; }//FIXME |
aoqi@6880 | 79 | LIR_Opr LIRGenerator::divOutOpr() { return FrameMap::_f0_opr; } //FIXME |
aoqi@6880 | 80 | LIR_Opr LIRGenerator::remOutOpr() { return FrameMap::_f0_opr; } //FIXME |
aoqi@1 | 81 | LIR_Opr LIRGenerator::shiftCountOpr() { return FrameMap::_t3_opr; } // |
aoqi@1 | 82 | LIR_Opr LIRGenerator::syncTempOpr() { return FrameMap::_t2_opr; } |
aoqi@1 | 83 | LIR_Opr LIRGenerator::getThreadTemp() { return LIR_OprFact::illegalOpr; } // |
aoqi@1 | 84 | |
aoqi@1 | 85 | |
aoqi@1 | 86 | LIR_Opr LIRGenerator::result_register_for(ValueType* type, bool callee) { |
aoqi@6880 | 87 | LIR_Opr opr; |
aoqi@6880 | 88 | switch (type->tag()) { |
aoqi@6880 | 89 | case intTag: { |
aoqi@6880 | 90 | opr = FrameMap::_v0_opr; |
aoqi@6880 | 91 | break; |
aoqi@6880 | 92 | } |
aoqi@6880 | 93 | case objectTag: { |
aoqi@6880 | 94 | opr = FrameMap::_v0_oop_opr; |
aoqi@6880 | 95 | break; |
aoqi@6880 | 96 | } |
aoqi@6880 | 97 | case longTag: { |
aoqi@6880 | 98 | opr = FrameMap::_v0_v1_long_opr; |
aoqi@6880 | 99 | break; |
aoqi@6880 | 100 | } |
aoqi@6880 | 101 | case floatTag: { |
aoqi@6880 | 102 | opr = FrameMap::_f0_float_opr; |
aoqi@6880 | 103 | break; |
aoqi@6880 | 104 | } |
aoqi@6880 | 105 | case doubleTag: { |
aoqi@6880 | 106 | opr = FrameMap::_d0_double_opr; |
aoqi@6880 | 107 | break; |
aoqi@6880 | 108 | } |
aoqi@6880 | 109 | case addressTag: |
aoqi@6880 | 110 | default: ShouldNotReachHere(); return LIR_OprFact::illegalOpr; |
aoqi@6880 | 111 | } |
aoqi@1 | 112 | |
aoqi@6880 | 113 | assert(opr->type_field() == as_OprType(as_BasicType(type)), "type mismatch"); |
aoqi@6880 | 114 | return opr; |
aoqi@1 | 115 | } |
aoqi@1 | 116 | |
aoqi@1 | 117 | LIR_Opr LIRGenerator::rlock_callee_saved(BasicType type) { |
aoqi@6880 | 118 | LIR_Opr reg = new_register(type); |
aoqi@6880 | 119 | set_vreg_flag(reg, callee_saved); |
aoqi@6880 | 120 | return reg; |
aoqi@1 | 121 | } |
aoqi@1 | 122 | |
aoqi@1 | 123 | |
aoqi@1 | 124 | LIR_Opr LIRGenerator::rlock_byte(BasicType type) { |
aoqi@6880 | 125 | return new_register(T_INT); |
aoqi@1 | 126 | } |
aoqi@1 | 127 | |
aoqi@1 | 128 | |
aoqi@1 | 129 | //--------- loading items into registers -------------------------------- |
aoqi@1 | 130 | |
aoqi@1 | 131 | |
aoqi@1 | 132 | // i486 instructions can inline constants |
aoqi@1 | 133 | bool LIRGenerator::can_store_as_constant(Value v, BasicType type) const { |
aoqi@1 | 134 | if (type == T_SHORT || type == T_CHAR) { |
aoqi@1 | 135 | // there is no immediate move of word values in asembler_i486.?pp |
aoqi@1 | 136 | return false; |
aoqi@1 | 137 | } |
aoqi@1 | 138 | Constant* c = v->as_Constant(); |
aoqi@1 | 139 | if (c && c->state_before() == NULL) { |
aoqi@1 | 140 | // constants of any type can be stored directly, except for |
aoqi@1 | 141 | // unloaded object constants. |
aoqi@1 | 142 | return true; |
aoqi@1 | 143 | } |
aoqi@1 | 144 | return false; |
aoqi@1 | 145 | } |
aoqi@1 | 146 | |
aoqi@1 | 147 | |
aoqi@1 | 148 | bool LIRGenerator::can_inline_as_constant(Value v) const { |
aoqi@6880 | 149 | if (v->type()->is_constant() && v->type()->as_IntConstant() != NULL) { |
aoqi@6880 | 150 | return Assembler::is_simm16(v->type()->as_IntConstant()->value()); |
aoqi@6880 | 151 | } else { |
aoqi@6880 | 152 | return false; |
aoqi@6880 | 153 | } |
aoqi@1 | 154 | } |
aoqi@1 | 155 | |
aoqi@1 | 156 | |
aoqi@1 | 157 | bool LIRGenerator::can_inline_as_constant(LIR_Const* c) const { |
aoqi@6880 | 158 | if (c->type() == T_INT && c->as_constant() != NULL) { |
aoqi@6880 | 159 | return Assembler::is_simm16(c->as_jint()); |
aoqi@6880 | 160 | } else { |
aoqi@6880 | 161 | return false; |
aoqi@6880 | 162 | } |
aoqi@1 | 163 | } |
aoqi@1 | 164 | |
aoqi@1 | 165 | |
aoqi@1 | 166 | LIR_Opr LIRGenerator::safepoint_poll_register() { |
aoqi@1 | 167 | return new_register(T_INT); |
aoqi@1 | 168 | } |
aoqi@1 | 169 | |
aoqi@6880 | 170 | |
aoqi@1 | 171 | LIR_Address* LIRGenerator::generate_address(LIR_Opr base, LIR_Opr index, |
aoqi@1 | 172 | int shift, int disp, BasicType type) { |
aoqi@6880 | 173 | assert(base->is_register(), "must be"); |
aoqi@6880 | 174 | if (index->is_constant()) { |
aoqi@6880 | 175 | disp += index->as_constant_ptr()->as_jint() << shift; |
aoqi@6880 | 176 | if (Assembler::is_simm16(disp)) { |
aoqi@6880 | 177 | return new LIR_Address(base,disp, type); |
aoqi@6880 | 178 | } else { |
aoqi@1 | 179 | |
aoqi@6880 | 180 | if(disp!=0){ |
aoqi@6880 | 181 | #ifdef _LP64 |
aoqi@6880 | 182 | LIR_Opr tmp = new_register(T_LONG); |
aoqi@6880 | 183 | #else |
aoqi@6880 | 184 | LIR_Opr tmp = new_register(T_INT); |
aoqi@6880 | 185 | #endif |
aoqi@6880 | 186 | __ move(LIR_OprFact::intConst((int)disp), tmp); |
aoqi@6880 | 187 | __ add(tmp, base, tmp); |
aoqi@6880 | 188 | return new LIR_Address(tmp, 0, type); |
aoqi@6880 | 189 | } |
aoqi@6880 | 190 | else |
aoqi@6880 | 191 | return new LIR_Address(base, 0, type); |
aoqi@6880 | 192 | } |
aoqi@6880 | 193 | } else if( index->is_register()) { |
aoqi@1 | 194 | |
aoqi@1 | 195 | #ifdef _LP64 |
aoqi@6880 | 196 | LIR_Opr tmpa = new_register(T_LONG); |
aoqi@1 | 197 | #else |
aoqi@6880 | 198 | LIR_Opr tmpa = new_register(T_INT); |
aoqi@6880 | 199 | #endif |
aoqi@6880 | 200 | __ move(index, tmpa); |
aoqi@6880 | 201 | __ shift_left(tmpa, shift, tmpa); |
aoqi@6880 | 202 | __ add(tmpa,base, tmpa); |
aoqi@6880 | 203 | if (Assembler::is_simm16(disp)) { |
aoqi@6880 | 204 | return new LIR_Address(tmpa, disp, type); |
aoqi@6880 | 205 | } else { |
aoqi@6880 | 206 | if (disp!=0) { |
aoqi@6880 | 207 | #ifdef _LP64 |
aoqi@6880 | 208 | LIR_Opr tmp = new_register(T_LONG); |
aoqi@6880 | 209 | #else |
aoqi@6880 | 210 | LIR_Opr tmp = new_register(T_INT); |
aoqi@1 | 211 | #endif |
aoqi@1 | 212 | |
aoqi@6880 | 213 | __ move(LIR_OprFact::intConst((int)disp), tmp); |
aoqi@6880 | 214 | __ add(tmp, tmpa, tmp); |
aoqi@6880 | 215 | return new LIR_Address(tmp, 0, type); |
aoqi@6880 | 216 | } else |
aoqi@6880 | 217 | return new LIR_Address(tmpa, 0, type); |
aoqi@6880 | 218 | } |
aoqi@6880 | 219 | } else { |
aoqi@6880 | 220 | if (Assembler::is_simm16(disp)) { |
aoqi@6880 | 221 | return new LIR_Address(base,disp, type); |
aoqi@6880 | 222 | } else { |
aoqi@6880 | 223 | if (disp!=0) { |
aoqi@1 | 224 | #ifdef _LP64 |
aoqi@6880 | 225 | LIR_Opr tmp = new_register(T_LONG); |
aoqi@1 | 226 | #else |
aoqi@6880 | 227 | LIR_Opr tmp = new_register(T_INT); |
aoqi@1 | 228 | #endif |
aoqi@6880 | 229 | __ move(LIR_OprFact::intConst((int)disp), tmp); |
aoqi@6880 | 230 | __ add(tmp, base, tmp); |
aoqi@6880 | 231 | return new LIR_Address(tmp, 0, type); |
aoqi@6880 | 232 | } else |
aoqi@6880 | 233 | return new LIR_Address(base, 0, type); |
aoqi@6880 | 234 | } |
aoqi@6880 | 235 | } |
aoqi@1 | 236 | } |
aoqi@1 | 237 | |
aoqi@8865 | 238 | LIR_Address* LIRGenerator::emit_array_address(LIR_Opr array_opr, LIR_Opr index_opr, |
aoqi@8865 | 239 | BasicType type, bool needs_card_mark) { |
aoqi@8865 | 240 | int elem_size = type2aelembytes(type); |
aoqi@8865 | 241 | int shift = exact_log2(elem_size); |
aoqi@1 | 242 | |
aoqi@8865 | 243 | LIR_Opr base_opr; |
aoqi@8865 | 244 | int offset = arrayOopDesc::base_offset_in_bytes(type); |
aoqi@8865 | 245 | |
aoqi@6880 | 246 | if (index_opr->is_constant()) { |
aoqi@8865 | 247 | int i = index_opr->as_constant_ptr()->as_jint(); |
aoqi@8865 | 248 | int array_offset = i * elem_size; |
aoqi@8865 | 249 | if (Assembler::is_simm16(array_offset + offset)) { |
aoqi@8865 | 250 | base_opr = array_opr; |
aoqi@8865 | 251 | offset = array_offset + offset; |
aoqi@8865 | 252 | } else { |
aoqi@8865 | 253 | base_opr = new_pointer_register(); |
aoqi@8865 | 254 | if (Assembler::is_simm16(array_offset)) { |
aoqi@8865 | 255 | __ add(array_opr, LIR_OprFact::intptrConst(array_offset), base_opr); |
aoqi@8865 | 256 | } else { |
aoqi@8865 | 257 | __ move(LIR_OprFact::intptrConst(array_offset), base_opr); |
aoqi@8865 | 258 | __ add(base_opr, array_opr, base_opr); |
aoqi@8865 | 259 | } |
aoqi@8865 | 260 | } |
aoqi@8865 | 261 | } else { |
aoqi@1 | 262 | #ifdef _LP64 |
aoqi@8865 | 263 | if (index_opr->type() == T_INT) { |
aoqi@8865 | 264 | LIR_Opr tmp = new_register(T_LONG); |
aoqi@8865 | 265 | __ convert(Bytecodes::_i2l, index_opr, tmp); |
aoqi@8865 | 266 | index_opr = tmp; |
aoqi@8865 | 267 | } |
aoqi@1 | 268 | #endif |
aoqi@1 | 269 | |
aoqi@8865 | 270 | base_opr = new_pointer_register(); |
aoqi@8865 | 271 | assert (index_opr->is_register(), "Must be register"); |
aoqi@8865 | 272 | if (shift > 0) { |
aoqi@8865 | 273 | __ shift_left(index_opr, shift, base_opr); |
aoqi@8865 | 274 | __ add(base_opr, array_opr, base_opr); |
aoqi@8865 | 275 | } else { |
aoqi@8865 | 276 | __ add(index_opr, array_opr, base_opr); |
aoqi@8865 | 277 | } |
aoqi@6880 | 278 | } |
aoqi@6880 | 279 | if (needs_card_mark) { |
aoqi@6880 | 280 | // This store will need a precise card mark, so go ahead and |
aoqi@6880 | 281 | // compute the full adddres instead of computing once for the |
aoqi@6880 | 282 | // store and again for the card mark. |
aoqi@8865 | 283 | LIR_Opr ptr = new_pointer_register(); |
aoqi@8865 | 284 | __ add(base_opr, LIR_OprFact::intptrConst(offset), ptr); |
aoqi@8865 | 285 | return new LIR_Address(ptr, type); |
aoqi@6880 | 286 | } else { |
aoqi@8865 | 287 | return new LIR_Address(base_opr, offset, type); |
aoqi@6880 | 288 | } |
aoqi@1 | 289 | } |
aoqi@1 | 290 | |
aoqi@6880 | 291 | |
aoqi@1 | 292 | LIR_Opr LIRGenerator::load_immediate(int x, BasicType type) { |
aoqi@1 | 293 | LIR_Opr r; |
aoqi@1 | 294 | if (type == T_LONG) { |
aoqi@1 | 295 | r = LIR_OprFact::longConst(x); |
aoqi@1 | 296 | } else if (type == T_INT) { |
aoqi@1 | 297 | r = LIR_OprFact::intConst(x); |
aoqi@1 | 298 | } else { |
aoqi@1 | 299 | ShouldNotReachHere(); |
aoqi@1 | 300 | } |
aoqi@1 | 301 | return r; |
aoqi@1 | 302 | } |
aoqi@1 | 303 | |
aoqi@1 | 304 | void LIRGenerator::increment_counter(address counter, BasicType type, int step) { |
aoqi@8865 | 305 | #ifdef _LP64 |
aoqi@8865 | 306 | LIR_Opr pointer = new_register(T_LONG); |
aoqi@8865 | 307 | #else |
aoqi@6880 | 308 | LIR_Opr pointer = new_register(T_INT); |
aoqi@1 | 309 | #endif |
aoqi@8865 | 310 | __ move(LIR_OprFact::intptrConst(counter), pointer); |
aoqi@8865 | 311 | LIR_Address* addr = new LIR_Address(pointer, type); |
aoqi@8865 | 312 | increment_counter(addr, step); |
aoqi@1 | 313 | } |
aoqi@1 | 314 | |
aoqi@8865 | 315 | //void LIRGenerator::increment_counter(address counter, BasicType type, int step) { |
aoqi@8865 | 316 | // LIR_Opr pointer = new_register(T_LONG); |
aoqi@8865 | 317 | // __ move(LIR_OprFact::longConst((long)counter), pointer); |
aoqi@8865 | 318 | // LIR_Opr addr = (LIR_Opr)new LIR_Address(pointer, type); |
aoqi@8865 | 319 | // LIR_Opr c = LIR_OprFact::intConst((int)step); |
aoqi@8865 | 320 | // __ add(addr, c, addr); |
aoqi@8865 | 321 | //} |
aoqi@1 | 322 | |
aoqi@1 | 323 | void LIRGenerator::increment_counter(LIR_Address* addr, int step) { |
aoqi@8865 | 324 | LIR_Opr temp = new_register(addr->type()); |
aoqi@8865 | 325 | __ move(addr, temp); |
aoqi@8865 | 326 | __ add(temp, load_immediate(step, addr->type()), temp); |
aoqi@8865 | 327 | __ move(temp, addr); |
aoqi@1 | 328 | } |
aoqi@1 | 329 | |
aoqi@6880 | 330 | |
aoqi@1 | 331 | bool LIRGenerator::strength_reduce_multiply(LIR_Opr left, int c, LIR_Opr result, LIR_Opr tmp) { |
aoqi@1 | 332 | if (tmp->is_valid()) { |
aoqi@1 | 333 | if (is_power_of_2(c + 1)) { |
aoqi@1 | 334 | __ move(left, result); |
aoqi@1 | 335 | __ shift_left(result, log2_intptr(c + 1), result); |
aoqi@1 | 336 | __ sub(result, left, result); |
aoqi@1 | 337 | return true; |
aoqi@1 | 338 | } else if (is_power_of_2(c - 1)) { |
aoqi@1 | 339 | __ move(left, result); |
aoqi@1 | 340 | __ shift_left(result, log2_intptr(c - 1), result); |
aoqi@1 | 341 | __ add(result, left, result); |
aoqi@1 | 342 | return true; |
aoqi@1 | 343 | } |
aoqi@1 | 344 | } |
aoqi@1 | 345 | return false; |
aoqi@1 | 346 | } |
aoqi@1 | 347 | |
aoqi@6880 | 348 | |
aoqi@1 | 349 | void LIRGenerator::store_stack_parameter (LIR_Opr item, ByteSize offset_from_sp) { |
aoqi@6880 | 350 | BasicType type = item->type(); |
aoqi@6880 | 351 | __ store(item, new LIR_Address(FrameMap::_sp_opr, in_bytes(offset_from_sp), type)); |
aoqi@1 | 352 | } |
aoqi@1 | 353 | |
aoqi@1 | 354 | //---------------------------------------------------------------------- |
aoqi@1 | 355 | // visitor functions |
aoqi@1 | 356 | //---------------------------------------------------------------------- |
aoqi@1 | 357 | |
aoqi@1 | 358 | |
aoqi@1 | 359 | void LIRGenerator::do_StoreIndexed(StoreIndexed* x) { |
aoqi@1 | 360 | assert(x->is_pinned(),""); |
aoqi@1 | 361 | bool needs_range_check = true; |
aoqi@1 | 362 | bool use_length = x->length() != NULL; |
aoqi@1 | 363 | bool obj_store = x->elt_type() == T_ARRAY || x->elt_type() == T_OBJECT; |
aoqi@1 | 364 | bool needs_store_check = obj_store && (x->value()->as_Constant() == NULL || |
aoqi@1 | 365 | !get_jobject_constant(x->value())->is_null_object()); |
aoqi@1 | 366 | |
aoqi@1 | 367 | LIRItem array(x->array(), this); |
aoqi@1 | 368 | LIRItem index(x->index(), this); |
aoqi@1 | 369 | LIRItem value(x->value(), this); |
aoqi@1 | 370 | LIRItem length(this); |
aoqi@1 | 371 | |
aoqi@1 | 372 | array.load_item(); |
aoqi@1 | 373 | index.load_nonconstant(); |
aoqi@1 | 374 | |
aoqi@1 | 375 | if (use_length) { |
aoqi@1 | 376 | needs_range_check = x->compute_needs_range_check(); |
aoqi@1 | 377 | if (needs_range_check) { |
aoqi@1 | 378 | length.set_instruction(x->length()); |
aoqi@1 | 379 | length.load_item(); |
aoqi@1 | 380 | } |
aoqi@1 | 381 | } |
aoqi@1 | 382 | if (needs_store_check) { |
aoqi@1 | 383 | value.load_item(); |
aoqi@1 | 384 | } else { |
aoqi@1 | 385 | value.load_for_store(x->elt_type()); |
aoqi@1 | 386 | } |
aoqi@1 | 387 | |
aoqi@1 | 388 | set_no_result(x); |
aoqi@1 | 389 | |
aoqi@1 | 390 | // the CodeEmitInfo must be duplicated for each different |
aoqi@1 | 391 | // LIR-instruction because spilling can occur anywhere between two |
aoqi@1 | 392 | // instructions and so the debug information must be different |
aoqi@1 | 393 | CodeEmitInfo* range_check_info = state_for(x); |
aoqi@1 | 394 | CodeEmitInfo* null_check_info = NULL; |
aoqi@1 | 395 | if (x->needs_null_check()) { |
aoqi@1 | 396 | null_check_info = new CodeEmitInfo(range_check_info); |
aoqi@1 | 397 | } |
aoqi@1 | 398 | |
aoqi@1 | 399 | // emit array address setup early so it schedules better |
aoqi@1 | 400 | LIR_Address* array_addr = emit_array_address(array.result(), index.result(), x->elt_type(), obj_store); |
aoqi@1 | 401 | |
aoqi@1 | 402 | if (GenerateRangeChecks && needs_range_check) { |
aoqi@1 | 403 | if (use_length) { |
aoqi@1 | 404 | __ branch(lir_cond_belowEqual, length.result(),index.result(),T_INT,new RangeCheckStub(range_check_info, index.result())); |
aoqi@1 | 405 | } else { |
aoqi@1 | 406 | array_range_check(array.result(), index.result(), null_check_info, range_check_info); |
aoqi@1 | 407 | // range_check also does the null check |
aoqi@1 | 408 | null_check_info = NULL; |
aoqi@1 | 409 | } |
aoqi@1 | 410 | } |
aoqi@1 | 411 | |
aoqi@1 | 412 | if (GenerateArrayStoreCheck && needs_store_check) { |
aoqi@1 | 413 | LIR_Opr tmp1 = new_register(objectType); |
aoqi@1 | 414 | LIR_Opr tmp2 = new_register(objectType); |
aoqi@1 | 415 | LIR_Opr tmp3 = new_register(objectType); |
aoqi@1 | 416 | |
aoqi@1 | 417 | CodeEmitInfo* store_check_info = new CodeEmitInfo(range_check_info); |
aoqi@1 | 418 | __ store_check(value.result(), array.result(), tmp1, tmp2, tmp3, store_check_info, x->profiled_method(), x->profiled_bci()); |
aoqi@1 | 419 | } |
aoqi@1 | 420 | |
aoqi@1 | 421 | if (obj_store) { |
aoqi@1 | 422 | // Needs GC write barriers. |
aoqi@1 | 423 | pre_barrier(LIR_OprFact::address(array_addr), LIR_OprFact::illegalOpr, true, false, NULL); |
aoqi@1 | 424 | __ move(value.result(), array_addr, null_check_info); |
aoqi@1 | 425 | // Seems to be a precise |
aoqi@1 | 426 | post_barrier(LIR_OprFact::address(array_addr), value.result()); |
aoqi@1 | 427 | } else { |
aoqi@1 | 428 | __ move(value.result(), array_addr, null_check_info); |
aoqi@1 | 429 | } |
aoqi@1 | 430 | } |
aoqi@1 | 431 | |
aoqi@1 | 432 | |
aoqi@1 | 433 | void LIRGenerator::do_MonitorEnter(MonitorEnter* x) { |
aoqi@1 | 434 | assert(x->is_pinned(),""); |
aoqi@1 | 435 | LIRItem obj(x->obj(), this); |
aoqi@1 | 436 | obj.load_item(); |
aoqi@1 | 437 | |
aoqi@1 | 438 | set_no_result(x); |
aoqi@1 | 439 | |
aoqi@1 | 440 | // "lock" stores the address of the monitor stack slot, so this is not an oop |
aoqi@1 | 441 | #ifdef _LP64 |
aoqi@1 | 442 | LIR_Opr lock = new_register(T_LONG); |
aoqi@1 | 443 | #else |
aoqi@1 | 444 | LIR_Opr lock = new_register(T_INT); |
aoqi@1 | 445 | #endif |
aoqi@1 | 446 | // Need a scratch register for biased locking on mips |
aoqi@1 | 447 | LIR_Opr scratch = LIR_OprFact::illegalOpr; |
aoqi@1 | 448 | if (UseBiasedLocking) { |
aoqi@1 | 449 | scratch = new_register(T_INT); |
aoqi@1 | 450 | } |
aoqi@1 | 451 | |
aoqi@1 | 452 | CodeEmitInfo* info_for_exception = NULL; |
aoqi@1 | 453 | if (x->needs_null_check()) { |
aoqi@1 | 454 | info_for_exception = state_for(x); |
aoqi@1 | 455 | } |
aoqi@1 | 456 | // this CodeEmitInfo must not have the xhandlers because here the |
aoqi@1 | 457 | // object is already locked (xhandlers expect object to be unlocked) |
aoqi@1 | 458 | CodeEmitInfo* info = state_for(x, x->state(), true); |
aoqi@1 | 459 | monitor_enter(obj.result(), lock, syncTempOpr(), scratch, |
aoqi@1 | 460 | x->monitor_no(), info_for_exception, info); |
aoqi@1 | 461 | } |
aoqi@1 | 462 | |
aoqi@1 | 463 | |
aoqi@1 | 464 | void LIRGenerator::do_MonitorExit(MonitorExit* x) { |
aoqi@1 | 465 | assert(x->is_pinned(),""); |
aoqi@1 | 466 | |
aoqi@1 | 467 | LIRItem obj(x->obj(), this); |
aoqi@1 | 468 | obj.dont_load_item(); |
aoqi@1 | 469 | |
aoqi@1 | 470 | LIR_Opr lock = new_register(T_INT); |
aoqi@1 | 471 | LIR_Opr obj_temp = new_register(T_INT); |
aoqi@1 | 472 | set_no_result(x); |
aoqi@1 | 473 | monitor_exit(obj_temp, lock, syncTempOpr(), LIR_OprFact::illegalOpr, x->monitor_no()); |
aoqi@1 | 474 | } |
aoqi@1 | 475 | |
aoqi@1 | 476 | |
aoqi@1 | 477 | // _ineg, _lneg, _fneg, _dneg |
aoqi@1 | 478 | void LIRGenerator::do_NegateOp(NegateOp* x) { |
aoqi@1 | 479 | LIRItem value(x->x(), this); |
aoqi@1 | 480 | value.set_destroys_register(); |
aoqi@1 | 481 | value.load_item(); |
aoqi@1 | 482 | LIR_Opr reg = rlock(x); |
aoqi@1 | 483 | __ negate(value.result(), reg); |
aoqi@1 | 484 | |
aoqi@1 | 485 | set_result(x, round_item(reg)); |
aoqi@1 | 486 | } |
aoqi@1 | 487 | |
aoqi@1 | 488 | |
aoqi@1 | 489 | |
aoqi@1 | 490 | // for _fadd, _fmul, _fsub, _fdiv, _frem |
aoqi@1 | 491 | // _dadd, _dmul, _dsub, _ddiv, _drem |
aoqi@1 | 492 | void LIRGenerator::do_ArithmeticOp_FPU(ArithmeticOp* x) { |
aoqi@1 | 493 | LIR_Opr tmp; |
aoqi@1 | 494 | LIRItem left(x->x(), this); |
aoqi@1 | 495 | LIRItem right(x->y(), this); |
aoqi@1 | 496 | left.load_item(); |
aoqi@1 | 497 | right.load_item(); |
aoqi@1 | 498 | rlock_result(x); |
aoqi@1 | 499 | switch (x->op()) { |
aoqi@6880 | 500 | case Bytecodes::_drem: |
aoqi@1 | 501 | tmp = new_register(T_DOUBLE); |
aoqi@1 | 502 | __ frem(left.result(), right.result(), x->operand(), tmp); |
aoqi@1 | 503 | |
aoqi@1 | 504 | break; |
aoqi@1 | 505 | case Bytecodes::_frem: |
aoqi@1 | 506 | tmp = new_register(T_FLOAT); |
aoqi@1 | 507 | __ frem(left.result(), right.result(), x->operand(), tmp); |
aoqi@1 | 508 | break; |
aoqi@1 | 509 | default: arithmetic_op_fpu(x->op(), x->operand(), left.result(), right.result(), x->is_strictfp()); |
aoqi@6880 | 510 | } |
aoqi@1 | 511 | } |
aoqi@1 | 512 | |
aoqi@1 | 513 | |
aoqi@1 | 514 | |
aoqi@1 | 515 | |
aoqi@1 | 516 | // for _ladd, _lmul, _lsub, _ldiv, _lrem |
aoqi@1 | 517 | void LIRGenerator::do_ArithmeticOp_Long(ArithmeticOp* x) { |
aoqi@1 | 518 | switch (x->op()) { |
aoqi@1 | 519 | case Bytecodes::_lrem: |
aoqi@1 | 520 | case Bytecodes::_lmul: |
aoqi@1 | 521 | case Bytecodes::_ldiv: { |
aoqi@1 | 522 | |
aoqi@1 | 523 | if (x->op() == Bytecodes::_ldiv || x->op() == Bytecodes::_lrem) { |
aoqi@1 | 524 | LIRItem right(x->y(), this); |
aoqi@1 | 525 | right.load_item(); |
aoqi@1 | 526 | |
aoqi@1 | 527 | CodeEmitInfo* info = state_for(x); |
aoqi@1 | 528 | LIR_Opr item = right.result(); |
aoqi@1 | 529 | assert(item->is_register(), "must be"); |
aoqi@1 | 530 | __ branch(lir_cond_equal,item,LIR_OprFact::longConst(0), T_LONG, new DivByZeroStub(info)); |
aoqi@1 | 531 | } |
aoqi@1 | 532 | |
aoqi@1 | 533 | address entry; |
aoqi@1 | 534 | switch (x->op()) { |
aoqi@1 | 535 | case Bytecodes::_lrem: |
aoqi@1 | 536 | entry = CAST_FROM_FN_PTR(address, SharedRuntime::lrem); |
aoqi@1 | 537 | break; // check if dividend is 0 is done elsewhere |
aoqi@1 | 538 | case Bytecodes::_ldiv: |
aoqi@1 | 539 | entry = CAST_FROM_FN_PTR(address, SharedRuntime::ldiv); |
aoqi@1 | 540 | break; // check if dividend is 0 is done elsewhere |
aoqi@1 | 541 | case Bytecodes::_lmul: |
aoqi@1 | 542 | entry = CAST_FROM_FN_PTR(address, SharedRuntime::lmul); |
aoqi@1 | 543 | break; |
aoqi@1 | 544 | default: |
aoqi@1 | 545 | ShouldNotReachHere(); |
aoqi@1 | 546 | } |
aoqi@8865 | 547 | |
aoqi@1 | 548 | // order of arguments to runtime call is reversed. |
aoqi@1 | 549 | LIR_Opr result = call_runtime(x->y(), x->x(), entry, x->type(), NULL); |
aoqi@1 | 550 | set_result(x, result); |
aoqi@1 | 551 | break; |
aoqi@1 | 552 | } |
aoqi@1 | 553 | case Bytecodes::_ladd: |
aoqi@8865 | 554 | case Bytecodes::_lsub: { |
aoqi@1 | 555 | LIRItem left(x->x(), this); |
aoqi@1 | 556 | LIRItem right(x->y(), this); |
aoqi@1 | 557 | left.load_item(); |
aoqi@1 | 558 | right.load_item(); |
aoqi@1 | 559 | rlock_result(x); |
aoqi@1 | 560 | |
aoqi@1 | 561 | arithmetic_op_long(x->op(), x->operand(), left.result(), right.result(), NULL); |
aoqi@1 | 562 | break; |
aoqi@1 | 563 | } |
aoqi@8865 | 564 | default: |
aoqi@8865 | 565 | ShouldNotReachHere(); |
aoqi@1 | 566 | } |
aoqi@1 | 567 | } |
aoqi@1 | 568 | |
aoqi@1 | 569 | |
aoqi@1 | 570 | |
aoqi@1 | 571 | |
aoqi@1 | 572 | // for: _iadd, _imul, _isub, _idiv, _irem |
aoqi@1 | 573 | void LIRGenerator::do_ArithmeticOp_Int(ArithmeticOp* x) { |
aoqi@1 | 574 | bool is_div_rem = x->op() == Bytecodes::_idiv || x->op() == Bytecodes::_irem; |
aoqi@1 | 575 | LIRItem left(x->x(), this); |
aoqi@1 | 576 | LIRItem right(x->y(), this); |
aoqi@1 | 577 | // missing test if instr is commutative and if we should swap |
aoqi@1 | 578 | right.load_nonconstant(); |
aoqi@1 | 579 | assert(right.is_constant() || right.is_register(), "wrong state of right"); |
aoqi@1 | 580 | left.load_item(); |
aoqi@1 | 581 | rlock_result(x); |
aoqi@1 | 582 | if (is_div_rem) { |
aoqi@1 | 583 | CodeEmitInfo* info = state_for(x); |
aoqi@1 | 584 | LIR_Opr tmp =new_register(T_INT); |
aoqi@1 | 585 | if (x->op() == Bytecodes::_irem) { |
aoqi@1 | 586 | __ irem(left.result(), right.result(), x->operand(), tmp, info); |
aoqi@1 | 587 | } else if (x->op() == Bytecodes::_idiv) { |
aoqi@1 | 588 | __ idiv(left.result(), right.result(), x->operand(), tmp, info); |
aoqi@1 | 589 | } |
aoqi@1 | 590 | } else { |
aoqi@6880 | 591 | //arithmetic_op_int(x->op(), x->operand(), left.result(), |
aoqi@1 | 592 | //right.result(), FrameMap::G1_opr); |
aoqi@1 | 593 | |
aoqi@1 | 594 | LIR_Opr tmp =new_register(T_INT); |
aoqi@6880 | 595 | arithmetic_op_int(x->op(), x->operand(), left.result(), right.result(), |
aoqi@1 | 596 | tmp); |
aoqi@1 | 597 | } |
aoqi@1 | 598 | } |
aoqi@1 | 599 | |
aoqi@1 | 600 | |
aoqi@1 | 601 | void LIRGenerator::do_ArithmeticOp(ArithmeticOp* x) { |
aoqi@1 | 602 | // when an operand with use count 1 is the left operand, then it is |
aoqi@1 | 603 | // likely that no move for 2-operand-LIR-form is necessary |
aoqi@1 | 604 | if (x->is_commutative() && x->y()->as_Constant() == NULL && x->x()->use_count() > x->y()->use_count()) { |
aoqi@1 | 605 | x->swap_operands(); |
aoqi@1 | 606 | } |
aoqi@1 | 607 | |
aoqi@1 | 608 | ValueTag tag = x->type()->tag(); |
aoqi@1 | 609 | assert(x->x()->type()->tag() == tag && x->y()->type()->tag() == tag, "wrong parameters"); |
aoqi@1 | 610 | switch (tag) { |
aoqi@1 | 611 | case floatTag: |
aoqi@1 | 612 | case doubleTag: do_ArithmeticOp_FPU(x); return; |
aoqi@1 | 613 | case longTag: do_ArithmeticOp_Long(x); return; |
aoqi@1 | 614 | case intTag: do_ArithmeticOp_Int(x); return; |
aoqi@1 | 615 | } |
aoqi@1 | 616 | ShouldNotReachHere(); |
aoqi@1 | 617 | } |
aoqi@1 | 618 | |
aoqi@1 | 619 | |
aoqi@1 | 620 | // _ishl, _lshl, _ishr, _lshr, _iushr, _lushr |
aoqi@1 | 621 | void LIRGenerator::do_ShiftOp(ShiftOp* x) { |
aoqi@1 | 622 | // count must always be in rcx |
aoqi@1 | 623 | LIRItem value(x->x(), this); |
aoqi@1 | 624 | LIRItem count(x->y(), this); |
aoqi@1 | 625 | |
aoqi@1 | 626 | ValueTag elemType = x->type()->tag(); |
aoqi@1 | 627 | bool must_load_count = !count.is_constant() || elemType == longTag; |
aoqi@1 | 628 | if (must_load_count) { |
aoqi@1 | 629 | // count for long must be in register |
aoqi@1 | 630 | count.load_item(); |
aoqi@1 | 631 | } else { |
aoqi@1 | 632 | count.dont_load_item(); |
aoqi@1 | 633 | } |
aoqi@1 | 634 | value.load_item(); |
aoqi@1 | 635 | LIR_Opr reg = rlock_result(x); |
aoqi@1 | 636 | |
aoqi@1 | 637 | shift_op(x->op(), reg, value.result(), count.result(), LIR_OprFact::illegalOpr); |
aoqi@1 | 638 | } |
aoqi@1 | 639 | |
aoqi@1 | 640 | |
aoqi@1 | 641 | // _iand, _land, _ior, _lor, _ixor, _lxor |
aoqi@1 | 642 | void LIRGenerator::do_LogicOp(LogicOp* x) { |
aoqi@1 | 643 | // when an operand with use count 1 is the left operand, then it is |
aoqi@1 | 644 | // likely that no move for 2-operand-LIR-form is necessary |
aoqi@1 | 645 | if (x->is_commutative() && x->y()->as_Constant() == NULL && x->x()->use_count() > x->y()->use_count()) { |
aoqi@1 | 646 | x->swap_operands(); |
aoqi@1 | 647 | } |
aoqi@1 | 648 | |
aoqi@1 | 649 | LIRItem left(x->x(), this); |
aoqi@1 | 650 | LIRItem right(x->y(), this); |
aoqi@1 | 651 | |
aoqi@1 | 652 | left.load_item(); |
aoqi@1 | 653 | right.load_nonconstant(); |
aoqi@1 | 654 | LIR_Opr reg = rlock_result(x); |
aoqi@1 | 655 | |
aoqi@1 | 656 | logic_op(x->op(), reg, left.result(), right.result()); |
aoqi@1 | 657 | } |
aoqi@1 | 658 | |
aoqi@1 | 659 | |
aoqi@1 | 660 | |
aoqi@1 | 661 | // _lcmp, _fcmpl, _fcmpg, _dcmpl, _dcmpg |
aoqi@1 | 662 | void LIRGenerator::do_CompareOp(CompareOp* x) { |
aoqi@1 | 663 | LIRItem left(x->x(), this); |
aoqi@1 | 664 | LIRItem right(x->y(), this); |
aoqi@1 | 665 | ValueTag tag = x->x()->type()->tag(); |
aoqi@1 | 666 | if (tag == longTag) { |
aoqi@1 | 667 | left.set_destroys_register(); |
aoqi@1 | 668 | } |
aoqi@1 | 669 | left.load_item(); |
aoqi@1 | 670 | right.load_item(); |
aoqi@1 | 671 | LIR_Opr reg = rlock_result(x); |
aoqi@1 | 672 | |
aoqi@1 | 673 | if (x->x()->type()->is_float_kind()) { |
aoqi@1 | 674 | Bytecodes::Code code = x->op(); |
aoqi@1 | 675 | __ fcmp2int(left.result(), right.result(), reg, (code == Bytecodes::_fcmpl || code == Bytecodes::_dcmpl)); |
aoqi@1 | 676 | } else if (x->x()->type()->tag() == longTag) { |
aoqi@1 | 677 | __ lcmp2int(left.result(), right.result(), reg); |
aoqi@1 | 678 | } else { |
aoqi@1 | 679 | Unimplemented(); |
aoqi@1 | 680 | } |
aoqi@1 | 681 | } |
aoqi@1 | 682 | /* |
aoqi@1 | 683 | void LIRGenerator::do_AttemptUpdate(Intrinsic* x) { |
aoqi@6880 | 684 | assert(x->number_of_arguments() == 3, "wrong type"); |
aoqi@6880 | 685 | LIRItem obj (x->argument_at(0), this); // AtomicLong object |
aoqi@6880 | 686 | LIRItem cmp_value (x->argument_at(1), this); // value to compare with field |
aoqi@6880 | 687 | LIRItem new_value (x->argument_at(2), this); |
aoqi@6880 | 688 | // replace field with new_value if it matches cmp_value |
aoqi@1 | 689 | |
aoqi@6880 | 690 | // compare value must be in edx,eax (hi,lo); may be destroyed by cmpxchg8 instruction |
aoqi@6880 | 691 | // cmp_value.load_item_force(FrameMap::eax_edx_long_opr); |
aoqi@6880 | 692 | cmp_value.load_item_force(FrameMap::_a0_a1_long_opr); |
aoqi@1 | 693 | |
aoqi@6880 | 694 | // new value must be in ecx,ebx (hi,lo) |
aoqi@6880 | 695 | // new_value.load_item_force(FrameMap::ebx_ecx_long_opr); |
aoqi@6880 | 696 | new_value.load_item_force(FrameMap::_a2_a3_long_opr); |
aoqi@6880 | 697 | // object pointer register is overwritten with field address |
aoqi@6880 | 698 | obj.load_item(); |
aoqi@1 | 699 | |
aoqi@6880 | 700 | // generate compare-and-swap; produces zero condition if swap occurs |
aoqi@6880 | 701 | int value_offset = sun_misc_AtomicLongCSImpl::value_offset(); |
aoqi@6880 | 702 | LIR_Opr addr = obj.result(); |
aoqi@6880 | 703 | __ add(addr, LIR_OprFact::intConst(value_offset), addr); |
aoqi@6880 | 704 | LIR_Opr t1 = LIR_OprFact::illegalOpr; // no temp needed |
aoqi@6880 | 705 | LIR_Opr t2 = LIR_OprFact::illegalOpr; // no temp needed |
aoqi@6880 | 706 | __ cas_long(addr, cmp_value.result(), new_value.result(), t1, t2, FrameMap::_at_opr); |
aoqi@1 | 707 | |
aoqi@6880 | 708 | // generate conditional move of boolean result |
aoqi@6880 | 709 | LIR_Opr result = rlock_result(x); |
aoqi@6880 | 710 | //__ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0), result); |
aoqi@6880 | 711 | __ move(FrameMap::_at_opr, result); |
aoqi@1 | 712 | } |
aoqi@1 | 713 | */ |
aoqi@1 | 714 | //FIXME, for mips, compareandswap is a bit different |
aoqi@1 | 715 | //I have no idea use which register |
aoqi@1 | 716 | void LIRGenerator::do_CompareAndSwap(Intrinsic* x, ValueType* type) { |
aoqi@6880 | 717 | assert(x->number_of_arguments() == 4, "wrong type"); |
aoqi@6880 | 718 | LIRItem obj (x->argument_at(0), this); // object |
aoqi@6880 | 719 | LIRItem offset(x->argument_at(1), this); // offset of field |
aoqi@6880 | 720 | LIRItem cmp (x->argument_at(2), this); // value to compare with field |
aoqi@6880 | 721 | LIRItem val (x->argument_at(3), this); // replace field with val if matches cmp |
aoqi@1 | 722 | |
aoqi@6880 | 723 | assert(obj.type()->tag() == objectTag, "invalid type"); |
aoqi@1 | 724 | |
aoqi@6880 | 725 | //In 64bit the type can be long, sparc doesn't have this assert |
aoqi@6880 | 726 | //assert(offset.type()->tag() == intTag, "invalid type"); |
aoqi@1 | 727 | |
aoqi@6880 | 728 | assert(cmp.type()->tag() == type->tag(), "invalid type"); |
aoqi@6880 | 729 | assert(val.type()->tag() == type->tag(), "invalid type"); |
aoqi@1 | 730 | |
aoqi@6880 | 731 | // get address of field |
aoqi@6880 | 732 | obj.load_item(); |
aoqi@6880 | 733 | offset.load_nonconstant(); |
aoqi@1 | 734 | |
aoqi@6880 | 735 | if (type == objectType) { |
aoqi@6880 | 736 | // cmp.load_item_force(FrameMap::eax_oop_opr); |
aoqi@6880 | 737 | cmp.load_item_force(FrameMap::_a0_oop_opr); |
aoqi@6880 | 738 | val.load_item(); |
aoqi@6880 | 739 | } else if (type == intType) { |
aoqi@6880 | 740 | // cmp.load_item_force(FrameMap::eax_opr); |
aoqi@6880 | 741 | cmp.load_item_force(FrameMap::_a0_opr); |
aoqi@6880 | 742 | val.load_item(); |
aoqi@6880 | 743 | } else if (type == longType) { |
aoqi@6880 | 744 | //// cmp.load_item_force(FrameMap::eax_edx_long_opr); |
aoqi@6880 | 745 | cmp.load_item_force(FrameMap::_a0_a1_long_opr); |
aoqi@6880 | 746 | // val.load_item_force(FrameMap::ebx_ecx_long_opr); |
aoqi@6880 | 747 | val.load_item_force(FrameMap::_a2_a3_long_opr); |
aoqi@6880 | 748 | } else { |
aoqi@6880 | 749 | ShouldNotReachHere(); |
aoqi@6880 | 750 | } |
aoqi@6880 | 751 | LIR_Opr addr = new_pointer_register(); |
aoqi@6880 | 752 | __ move(obj.result(), addr); |
aoqi@6880 | 753 | __ add(addr, offset.result(), addr); |
aoqi@1 | 754 | |
aoqi@6880 | 755 | LIR_Opr ill = LIR_OprFact::illegalOpr; // for convenience |
aoqi@6880 | 756 | if (type == objectType) |
aoqi@6880 | 757 | __ cas_obj(addr, cmp.result(), val.result(), ill, ill, FrameMap::_at_opr); |
aoqi@6880 | 758 | else if (type == intType) |
aoqi@6880 | 759 | __ cas_int(addr, cmp.result(), val.result(), ill, ill, FrameMap::_at_opr); |
aoqi@6880 | 760 | else if (type == longType) |
aoqi@6880 | 761 | __ cas_long(addr, cmp.result(), val.result(), ill, ill, FrameMap::_at_opr); |
aoqi@6880 | 762 | else { |
aoqi@6880 | 763 | ShouldNotReachHere(); |
aoqi@6880 | 764 | } |
aoqi@6880 | 765 | // generate conditional move of boolean result |
aoqi@6880 | 766 | LIR_Opr result = rlock_result(x); |
aoqi@6880 | 767 | //cmove not exist on mips, |
aoqi@6880 | 768 | // __ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0), result); |
aoqi@6880 | 769 | // our implementation of cmpxchg put result in AT |
aoqi@6880 | 770 | // LIR_Opr result = rlock_result_with_hint(x, hint()); |
aoqi@6880 | 771 | __ move(FrameMap::_at_opr, result); |
aoqi@1 | 772 | |
aoqi@6880 | 773 | if (type == objectType) // Write-barrier needed for Object fields. |
aoqi@6880 | 774 | write_barrier(addr); |
aoqi@1 | 775 | } |
aoqi@1 | 776 | |
aoqi@1 | 777 | |
aoqi@1 | 778 | void LIRGenerator::do_MathIntrinsic(Intrinsic* x) { |
aoqi@6880 | 779 | switch (x->id()) { |
aoqi@6880 | 780 | case vmIntrinsics::_dabs: |
aoqi@6880 | 781 | case vmIntrinsics::_dsqrt: { |
aoqi@6880 | 782 | assert(x->number_of_arguments() == 1, "wrong type"); |
aoqi@6880 | 783 | LIRItem value(x->argument_at(0), this); |
aoqi@6880 | 784 | value.load_item(); |
aoqi@6880 | 785 | LIR_Opr dst = rlock_result(x); |
aoqi@1 | 786 | |
aoqi@6880 | 787 | switch (x->id()) { |
aoqi@6880 | 788 | case vmIntrinsics::_dsqrt: { |
aoqi@6880 | 789 | __ sqrt(value.result(), dst, LIR_OprFact::illegalOpr); |
aoqi@6880 | 790 | break; |
aoqi@6880 | 791 | } |
aoqi@6880 | 792 | case vmIntrinsics::_dabs: { |
aoqi@6880 | 793 | __ abs(value.result(), dst, LIR_OprFact::illegalOpr); |
aoqi@6880 | 794 | break; |
aoqi@6880 | 795 | } |
aoqi@6880 | 796 | } |
aoqi@6880 | 797 | break; |
aoqi@6880 | 798 | } |
aoqi@6880 | 799 | case vmIntrinsics::_dlog10: // fall through |
aoqi@6880 | 800 | case vmIntrinsics::_dlog: // fall through |
aoqi@6880 | 801 | case vmIntrinsics::_dsin: // fall through |
aoqi@6880 | 802 | case vmIntrinsics::_dtan: // fall through |
aoqi@6880 | 803 | case vmIntrinsics::_dcos: { |
aoqi@6880 | 804 | assert(x->number_of_arguments() == 1, "wrong type"); |
aoqi@1 | 805 | |
aoqi@6880 | 806 | address runtime_entry = NULL; |
aoqi@6880 | 807 | switch (x->id()) { |
aoqi@6880 | 808 | case vmIntrinsics::_dsin: |
aoqi@6880 | 809 | runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dsin); |
aoqi@6880 | 810 | break; |
aoqi@6880 | 811 | case vmIntrinsics::_dcos: |
aoqi@6880 | 812 | runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dcos); |
aoqi@6880 | 813 | break; |
aoqi@6880 | 814 | case vmIntrinsics::_dtan: |
aoqi@6880 | 815 | runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dtan); |
aoqi@6880 | 816 | break; |
aoqi@6880 | 817 | case vmIntrinsics::_dlog: |
aoqi@6880 | 818 | runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dlog); |
aoqi@6880 | 819 | break; |
aoqi@6880 | 820 | case vmIntrinsics::_dlog10: |
aoqi@6880 | 821 | runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dlog10); |
aoqi@6880 | 822 | break; |
aoqi@6880 | 823 | default: |
aoqi@6880 | 824 | ShouldNotReachHere(); |
aoqi@6880 | 825 | } |
aoqi@6880 | 826 | LIR_Opr result = call_runtime(x->argument_at(0), runtime_entry, x->type(), NULL); |
aoqi@6880 | 827 | set_result(x, result); |
aoqi@6880 | 828 | } |
aoqi@6880 | 829 | } |
aoqi@1 | 830 | } |
aoqi@1 | 831 | |
aoqi@1 | 832 | void LIRGenerator::do_ArrayCopy(Intrinsic* x) { |
aoqi@6880 | 833 | assert(x->number_of_arguments() == 5, "wrong type"); |
aoqi@6880 | 834 | // Note: spill caller save before setting the item |
aoqi@6880 | 835 | LIRItem src (x->argument_at(0), this); |
aoqi@6880 | 836 | LIRItem src_pos (x->argument_at(1), this); |
aoqi@6880 | 837 | LIRItem dst (x->argument_at(2), this); |
aoqi@6880 | 838 | LIRItem dst_pos (x->argument_at(3), this); |
aoqi@6880 | 839 | LIRItem length (x->argument_at(4), this); |
aoqi@6880 | 840 | // load all values in callee_save_registers, as this makes the |
aoqi@6880 | 841 | // parameter passing to the fast case simpler |
aoqi@6880 | 842 | src.load_item_force (FrameMap::_t0_oop_opr); |
aoqi@6880 | 843 | src_pos.load_item_force (FrameMap::_a0_opr); |
aoqi@6880 | 844 | dst.load_item_force (FrameMap::_a1_oop_opr); |
aoqi@6880 | 845 | dst_pos.load_item_force (FrameMap::_a2_opr); |
aoqi@6880 | 846 | length.load_item_force (FrameMap::_a3_opr); |
aoqi@1 | 847 | |
aoqi@6880 | 848 | int flags; |
aoqi@6880 | 849 | ciArrayKlass* expected_type; |
aoqi@6880 | 850 | arraycopy_helper(x, &flags, &expected_type); |
aoqi@1 | 851 | |
aoqi@6880 | 852 | CodeEmitInfo* info = state_for(x, x->state()); |
aoqi@6880 | 853 | __ arraycopy(src.result(), src_pos.result(), dst.result(), dst_pos.result(), length.result(), rlock_callee_saved(T_INT), expected_type, flags, info); |
aoqi@6880 | 854 | set_no_result(x); |
aoqi@1 | 855 | } |
aoqi@1 | 856 | |
aoqi@1 | 857 | void LIRGenerator::do_update_CRC32(Intrinsic* x) { // Fu: 20130832 |
aoqi@6880 | 858 | Unimplemented(); |
aoqi@1 | 859 | } |
aoqi@1 | 860 | |
aoqi@1 | 861 | // _i2l, _i2f, _i2d, _l2i, _l2f, _l2d, _f2i, _f2l, _f2d, _d2i, _d2l, _d2f |
aoqi@1 | 862 | // _i2b, _i2c, _i2s |
aoqi@1 | 863 | LIR_Opr fixed_register_for(BasicType type) { |
aoqi@6880 | 864 | switch (type) { |
aoqi@6880 | 865 | case T_FLOAT: return FrameMap::_f0_float_opr; |
aoqi@6880 | 866 | case T_DOUBLE: return FrameMap::_d0_double_opr; |
aoqi@6880 | 867 | case T_INT: return FrameMap::_v0_opr; |
aoqi@6880 | 868 | case T_LONG: return FrameMap::_v0_v1_long_opr; |
aoqi@6880 | 869 | default: ShouldNotReachHere(); return LIR_OprFact::illegalOpr; |
aoqi@6880 | 870 | } |
aoqi@1 | 871 | } |
aoqi@1 | 872 | |
aoqi@1 | 873 | |
aoqi@1 | 874 | void LIRGenerator::do_Convert(Convert* x) { |
aoqi@6880 | 875 | // flags that vary for the different operations and different SSE-settings |
aoqi@6880 | 876 | bool fixed_input, fixed_result, round_result, needs_stub; |
aoqi@1 | 877 | |
aoqi@6880 | 878 | switch (x->op()) { |
aoqi@6880 | 879 | case Bytecodes::_i2l: // fall through |
aoqi@6880 | 880 | case Bytecodes::_l2i: // fall through |
aoqi@6880 | 881 | case Bytecodes::_i2b: // fall through |
aoqi@6880 | 882 | case Bytecodes::_i2c: // fall through |
aoqi@6880 | 883 | case Bytecodes::_i2s: |
aoqi@6880 | 884 | fixed_input = false; |
aoqi@6880 | 885 | fixed_result = false; |
aoqi@6880 | 886 | round_result = false; |
aoqi@6880 | 887 | needs_stub = false; break; |
aoqi@6880 | 888 | case Bytecodes::_f2d: |
aoqi@6880 | 889 | fixed_input = UseSSE == 1; |
aoqi@6880 | 890 | fixed_result = false; |
aoqi@6880 | 891 | round_result = false; |
aoqi@6880 | 892 | needs_stub = false; break; |
aoqi@6880 | 893 | case Bytecodes::_d2f: |
aoqi@6880 | 894 | fixed_input = false; |
aoqi@6880 | 895 | fixed_result = UseSSE == 1; |
aoqi@6880 | 896 | round_result = UseSSE < 1; |
aoqi@6880 | 897 | needs_stub = false; break; |
aoqi@6880 | 898 | case Bytecodes::_i2f: |
aoqi@6880 | 899 | fixed_input = false; |
aoqi@6880 | 900 | fixed_result = false; |
aoqi@6880 | 901 | round_result = UseSSE < 1; |
aoqi@6880 | 902 | needs_stub = false; break; |
aoqi@6880 | 903 | case Bytecodes::_i2d: |
aoqi@6880 | 904 | fixed_input = false; |
aoqi@6880 | 905 | fixed_result = false; |
aoqi@6880 | 906 | round_result = false; |
aoqi@6880 | 907 | needs_stub = false; break; |
aoqi@6880 | 908 | case Bytecodes::_f2i: |
aoqi@6880 | 909 | fixed_input = false; |
aoqi@6880 | 910 | fixed_result = false; |
aoqi@6880 | 911 | round_result = false; |
aoqi@6880 | 912 | needs_stub = true; break; |
aoqi@6880 | 913 | case Bytecodes::_d2i: |
aoqi@6880 | 914 | fixed_input = false; |
aoqi@6880 | 915 | fixed_result = false; |
aoqi@6880 | 916 | round_result = false; |
aoqi@6880 | 917 | needs_stub = true; break; |
aoqi@6880 | 918 | case Bytecodes::_l2f: |
aoqi@6880 | 919 | fixed_input = false; |
aoqi@6880 | 920 | fixed_result = UseSSE >= 1; |
aoqi@6880 | 921 | round_result = UseSSE < 1; |
aoqi@6880 | 922 | needs_stub = false; break; |
aoqi@6880 | 923 | case Bytecodes::_l2d: |
aoqi@6880 | 924 | fixed_input = false; |
aoqi@6880 | 925 | fixed_result = UseSSE >= 2; |
aoqi@6880 | 926 | round_result = UseSSE < 2; |
aoqi@6880 | 927 | needs_stub = false; break; |
aoqi@6880 | 928 | case Bytecodes::_f2l: |
aoqi@6880 | 929 | fixed_input = true; |
aoqi@6880 | 930 | fixed_result = true; |
aoqi@6880 | 931 | round_result = false; |
aoqi@6880 | 932 | needs_stub = false; break; |
aoqi@6880 | 933 | case Bytecodes::_d2l: |
aoqi@6880 | 934 | fixed_input = true; |
aoqi@6880 | 935 | fixed_result = true; |
aoqi@6880 | 936 | round_result = false; |
aoqi@6880 | 937 | needs_stub = false; break; |
aoqi@8865 | 938 | default: |
aoqi@8865 | 939 | ShouldNotReachHere(); |
aoqi@6880 | 940 | } |
aoqi@1 | 941 | |
aoqi@6880 | 942 | LIRItem value(x->value(), this); |
aoqi@6880 | 943 | value.load_item(); |
aoqi@6880 | 944 | LIR_Opr input = value.result(); |
aoqi@6880 | 945 | LIR_Opr result = rlock(x); |
aoqi@1 | 946 | |
aoqi@6880 | 947 | // arguments of lir_convert |
aoqi@6880 | 948 | LIR_Opr conv_input = input; |
aoqi@6880 | 949 | LIR_Opr conv_result = result; |
aoqi@6880 | 950 | ConversionStub* stub = NULL; |
aoqi@1 | 951 | |
aoqi@6880 | 952 | if (fixed_input) { |
aoqi@6880 | 953 | conv_input = fixed_register_for(input->type()); |
aoqi@6880 | 954 | __ move(input, conv_input); |
aoqi@6880 | 955 | } |
aoqi@1 | 956 | |
aoqi@6880 | 957 | assert(fixed_result == false || round_result == false, "cannot set both"); |
aoqi@6880 | 958 | if (fixed_result) { |
aoqi@6880 | 959 | conv_result = fixed_register_for(result->type()); |
aoqi@6880 | 960 | } else if (round_result) { |
aoqi@6880 | 961 | result = new_register(result->type()); |
aoqi@6880 | 962 | set_vreg_flag(result, must_start_in_memory); |
aoqi@6880 | 963 | } |
aoqi@1 | 964 | |
aoqi@6880 | 965 | if (needs_stub) { |
aoqi@6880 | 966 | stub = new ConversionStub(x->op(), conv_input, conv_result); |
aoqi@6880 | 967 | } |
aoqi@1 | 968 | |
aoqi@6880 | 969 | __ convert(x->op(), conv_input, conv_result, stub); |
aoqi@1 | 970 | |
aoqi@6880 | 971 | if (result != conv_result) { |
aoqi@6880 | 972 | __ move(conv_result, result); |
aoqi@6880 | 973 | } |
aoqi@1 | 974 | |
aoqi@6880 | 975 | assert(result->is_virtual(), "result must be virtual register"); |
aoqi@6880 | 976 | set_result(x, result); |
aoqi@1 | 977 | } |
aoqi@1 | 978 | |
aoqi@1 | 979 | void LIRGenerator::do_NewInstance(NewInstance* x) { |
aoqi@6880 | 980 | const LIR_Opr reg = result_register_for(x->type()); |
aoqi@1 | 981 | #ifndef PRODUCT |
aoqi@6880 | 982 | if (PrintNotLoaded && !x->klass()->is_loaded()) { |
aoqi@6880 | 983 | tty->print_cr(" ###class not loaded at new bci %d", x->printable_bci()); |
aoqi@6880 | 984 | } |
aoqi@1 | 985 | #endif |
aoqi@6880 | 986 | CodeEmitInfo* info = state_for(x, x->state()); |
aoqi@6880 | 987 | // LIR_Opr tmp1 = new_register(T_INT); |
aoqi@6880 | 988 | // LIR_Opr tmp2 = new_register(T_INT); |
aoqi@6880 | 989 | // LIR_Opr tmp3 = new_register(T_INT); |
aoqi@6880 | 990 | // LIR_Opr tmp4 = new_register(T_INT); |
aoqi@1 | 991 | #ifndef _LP64 |
aoqi@8865 | 992 | LIR_Opr klass_reg = FrameMap::_t4_metadata_opr; |
aoqi@1 | 993 | #else |
aoqi@8865 | 994 | LIR_Opr klass_reg = FrameMap::_a4_metadata_opr; |
aoqi@1 | 995 | #endif |
aoqi@6880 | 996 | new_instance(reg, |
aoqi@6880 | 997 | x->klass(), |
aoqi@8865 | 998 | x->is_unresolved(), |
aoqi@6880 | 999 | FrameMap::_t0_oop_opr, |
aoqi@6880 | 1000 | FrameMap::_t1_oop_opr, |
aoqi@6880 | 1001 | FrameMap::_t2_oop_opr, |
aoqi@6880 | 1002 | FrameMap::_t3_oop_opr, |
aoqi@1 | 1003 | #ifndef _LP64 |
aoqi@6880 | 1004 | FrameMap::_t5_oop_opr, |
aoqi@6880 | 1005 | FrameMap::_t6_oop_opr, |
aoqi@1 | 1006 | #else |
aoqi@6880 | 1007 | FrameMap::_a5_oop_opr, |
aoqi@6880 | 1008 | FrameMap::_a6_oop_opr, |
aoqi@1 | 1009 | #endif |
aoqi@6880 | 1010 | klass_reg, |
aoqi@6880 | 1011 | info); |
aoqi@6880 | 1012 | LIR_Opr result = rlock_result(x); |
aoqi@6880 | 1013 | __ move(reg, result); |
aoqi@1 | 1014 | } |
aoqi@1 | 1015 | |
aoqi@1 | 1016 | |
aoqi@6880 | 1017 | void LIRGenerator::do_NewTypeArray(NewTypeArray* x) { |
aoqi@6880 | 1018 | CodeEmitInfo* info = state_for(x, x->state()); |
aoqi@6880 | 1019 | |
aoqi@6880 | 1020 | LIRItem length(x->length(), this); |
aoqi@6880 | 1021 | length.load_item_force(FrameMap::_t2_opr); |
aoqi@6880 | 1022 | |
aoqi@6880 | 1023 | LIR_Opr reg = result_register_for(x->type()); |
aoqi@6880 | 1024 | LIR_Opr tmp1 = FrameMap::_t0_oop_opr; |
aoqi@6880 | 1025 | LIR_Opr tmp2 = FrameMap::_t1_oop_opr; |
aoqi@6880 | 1026 | LIR_Opr tmp3 = FrameMap::_t3_oop_opr; |
aoqi@6880 | 1027 | #ifndef _LP64 |
aoqi@6880 | 1028 | LIR_Opr tmp4 = FrameMap::_t5_oop_opr; |
aoqi@6880 | 1029 | LIR_Opr tmp5 = FrameMap::_t6_oop_opr; |
aoqi@6880 | 1030 | LIR_Opr klass_reg = FrameMap::_t4_oop_opr; |
aoqi@6880 | 1031 | #else |
aoqi@6880 | 1032 | LIR_Opr tmp4 = FrameMap::_a5_oop_opr; |
aoqi@6880 | 1033 | LIR_Opr tmp5 = FrameMap::_a6_oop_opr; |
aoqi@8865 | 1034 | LIR_Opr klass_reg = FrameMap::_a4_metadata_opr; |
aoqi@6880 | 1035 | #endif |
aoqi@6880 | 1036 | LIR_Opr len = length.result(); |
aoqi@6880 | 1037 | BasicType elem_type = x->elt_type(); |
aoqi@6880 | 1038 | |
aoqi@6880 | 1039 | __ metadata2reg(ciTypeArrayKlass::make(elem_type)->constant_encoding(), klass_reg); |
aoqi@6880 | 1040 | |
aoqi@6880 | 1041 | CodeStub* slow_path = new NewTypeArrayStub(klass_reg, len, reg, info); |
aoqi@6880 | 1042 | __ allocate_array(reg, len, tmp1, tmp2, tmp3, tmp4,tmp5, elem_type, klass_reg, slow_path); |
aoqi@6880 | 1043 | |
aoqi@6880 | 1044 | LIR_Opr result = rlock_result(x); |
aoqi@6880 | 1045 | __ move(reg, result); |
aoqi@6880 | 1046 | } |
aoqi@6880 | 1047 | |
aoqi@6880 | 1048 | |
aoqi@1 | 1049 | |
aoqi@1 | 1050 | void LIRGenerator::do_NewObjectArray(NewObjectArray* x) { |
aoqi@6880 | 1051 | LIRItem length(x->length(), this); |
aoqi@6880 | 1052 | // in case of patching (i.e., object class is not yet loaded), we |
aoqi@6880 | 1053 | // need to reexecute the instruction |
aoqi@6880 | 1054 | // and therefore provide the state before the parameters have been consumed |
aoqi@6880 | 1055 | CodeEmitInfo* patching_info = NULL; |
aoqi@6880 | 1056 | if (!x->klass()->is_loaded() || PatchALot) { |
aoqi@6880 | 1057 | patching_info = state_for(x, x->state_before()); |
aoqi@6880 | 1058 | } |
aoqi@6880 | 1059 | |
aoqi@6880 | 1060 | const LIR_Opr reg = result_register_for(x->type()); |
aoqi@6880 | 1061 | LIR_Opr tmp1 = FrameMap::_t0_oop_opr; |
aoqi@6880 | 1062 | LIR_Opr tmp2 = FrameMap::_t1_oop_opr; |
aoqi@6880 | 1063 | LIR_Opr tmp3 = FrameMap::_t3_oop_opr; |
aoqi@1 | 1064 | #ifndef _LP64 |
aoqi@6880 | 1065 | LIR_Opr tmp4 = FrameMap::_t5_oop_opr; |
aoqi@6880 | 1066 | LIR_Opr tmp5 = FrameMap::_t6_oop_opr; |
aoqi@6880 | 1067 | LIR_Opr klass_reg = FrameMap::_t4_oop_opr; |
aoqi@1 | 1068 | #else |
aoqi@6880 | 1069 | LIR_Opr tmp4 = FrameMap::_a5_oop_opr; |
aoqi@6880 | 1070 | LIR_Opr tmp5 = FrameMap::_a6_oop_opr; |
aoqi@8865 | 1071 | LIR_Opr klass_reg = FrameMap::_a4_metadata_opr; |
aoqi@1 | 1072 | #endif |
aoqi@1 | 1073 | |
aoqi@6880 | 1074 | length.load_item_force(FrameMap::_t2_opr); |
aoqi@1 | 1075 | |
aoqi@6880 | 1076 | LIR_Opr len = length.result(); |
aoqi@6880 | 1077 | CodeEmitInfo* info = state_for(x, x->state()); |
aoqi@1 | 1078 | |
aoqi@6880 | 1079 | CodeStub* slow_path = new NewObjectArrayStub(klass_reg, len, reg, info); |
aoqi@6880 | 1080 | ciKlass* obj = (ciKlass*) ciObjArrayKlass::make(x->klass()); |
aoqi@6880 | 1081 | if (obj == ciEnv::unloaded_ciobjarrayklass()) { |
aoqi@6880 | 1082 | BAILOUT("encountered unloaded_ciobjarrayklass due to out of memory error"); |
aoqi@6880 | 1083 | } |
aoqi@6880 | 1084 | klass2reg_with_patching(klass_reg, obj, patching_info); |
aoqi@6880 | 1085 | __ allocate_array(reg, len, tmp1, tmp2, tmp3, tmp4, tmp5, T_OBJECT, klass_reg, slow_path); |
aoqi@1 | 1086 | |
aoqi@6880 | 1087 | LIR_Opr result = rlock_result(x); |
aoqi@6880 | 1088 | __ move(reg, result); |
aoqi@1 | 1089 | } |
aoqi@1 | 1090 | |
aoqi@1 | 1091 | |
aoqi@1 | 1092 | void LIRGenerator::do_NewMultiArray(NewMultiArray* x) { |
aoqi@6880 | 1093 | Values* dims = x->dims(); |
aoqi@6880 | 1094 | int i = dims->length(); |
aoqi@6880 | 1095 | LIRItemList* items = new LIRItemList(dims->length(), NULL); |
aoqi@6880 | 1096 | while (i-- > 0) { |
aoqi@6880 | 1097 | LIRItem* size = new LIRItem(dims->at(i), this); |
aoqi@6880 | 1098 | items->at_put(i, size); |
aoqi@6880 | 1099 | } |
aoqi@1 | 1100 | |
aoqi@6880 | 1101 | // need to get the info before, as the items may become invalid through item_free |
aoqi@6880 | 1102 | CodeEmitInfo* patching_info = NULL; |
aoqi@6880 | 1103 | if (!x->klass()->is_loaded() || PatchALot) { |
aoqi@6880 | 1104 | patching_info = state_for(x, x->state_before()); |
aoqi@6880 | 1105 | // cannot re-use same xhandlers for multiple CodeEmitInfos, so |
aoqi@6880 | 1106 | // clone all handlers. |
aoqi@6880 | 1107 | x->set_exception_handlers(new XHandlers(x->exception_handlers())); |
aoqi@6880 | 1108 | } |
aoqi@1 | 1109 | |
aoqi@6880 | 1110 | CodeEmitInfo* info = state_for(x, x->state()); |
aoqi@1 | 1111 | |
aoqi@6880 | 1112 | i = dims->length(); |
aoqi@6880 | 1113 | while (i-- > 0) { |
aoqi@6880 | 1114 | LIRItem* size = items->at(i); |
aoqi@6880 | 1115 | size->load_nonconstant(); |
aoqi@6880 | 1116 | store_stack_parameter(size->result(), in_ByteSize(i*4)); |
aoqi@6880 | 1117 | } |
aoqi@1 | 1118 | |
aoqi@8865 | 1119 | LIR_Opr klass_reg = FrameMap::_v0_metadata_opr; |
aoqi@8865 | 1120 | klass2reg_with_patching(klass_reg, x->klass(), patching_info); |
aoqi@1 | 1121 | |
aoqi@6880 | 1122 | // LIR_Opr rank = FrameMap::ebx_opr; |
aoqi@6880 | 1123 | LIR_Opr rank = FrameMap::_t2_opr; |
aoqi@6880 | 1124 | __ move(LIR_OprFact::intConst(x->rank()), rank); |
aoqi@6880 | 1125 | // LIR_Opr varargs = FrameMap::ecx_opr; |
aoqi@6880 | 1126 | LIR_Opr varargs = FrameMap::_t0_opr; |
aoqi@6880 | 1127 | __ move(FrameMap::_sp_opr, varargs); |
aoqi@6880 | 1128 | LIR_OprList* args = new LIR_OprList(3); |
aoqi@8865 | 1129 | args->append(klass_reg); |
aoqi@6880 | 1130 | args->append(rank); |
aoqi@6880 | 1131 | args->append(varargs); |
aoqi@8865 | 1132 | LIR_Opr reg = result_register_for(x->type()); |
aoqi@6880 | 1133 | __ call_runtime(Runtime1::entry_for(Runtime1::new_multi_array_id), |
aoqi@6880 | 1134 | LIR_OprFact::illegalOpr, |
aoqi@6880 | 1135 | reg, args, info); |
aoqi@8865 | 1136 | |
aoqi@6880 | 1137 | LIR_Opr result = rlock_result(x); |
aoqi@6880 | 1138 | __ move(reg, result); |
aoqi@1 | 1139 | } |
aoqi@1 | 1140 | |
aoqi@1 | 1141 | void LIRGenerator::do_BlockBegin(BlockBegin* x) { |
aoqi@1 | 1142 | // nothing to do for now |
aoqi@1 | 1143 | } |
aoqi@1 | 1144 | |
aoqi@1 | 1145 | |
aoqi@1 | 1146 | void LIRGenerator::do_CheckCast(CheckCast* x) { |
aoqi@6880 | 1147 | LIRItem obj(x->obj(), this); |
aoqi@1 | 1148 | |
aoqi@6880 | 1149 | CodeEmitInfo* patching_info = NULL; |
aoqi@6880 | 1150 | if (!x->klass()->is_loaded() || (PatchALot && !x->is_incompatible_class_change_check())) { |
aoqi@6880 | 1151 | // must do this before locking the destination register as an oop register, |
aoqi@6880 | 1152 | // and before the obj is loaded (the latter is for deoptimization) |
aoqi@6880 | 1153 | patching_info = state_for(x, x->state_before()); |
aoqi@6880 | 1154 | } |
aoqi@6880 | 1155 | obj.load_item(); |
aoqi@1 | 1156 | |
aoqi@6880 | 1157 | // info for exceptions |
aoqi@6880 | 1158 | CodeEmitInfo* info_for_exception = state_for(x); |
aoqi@1 | 1159 | |
aoqi@6880 | 1160 | CodeStub* stub; |
aoqi@6880 | 1161 | if (x->is_incompatible_class_change_check()) { |
aoqi@6880 | 1162 | assert(patching_info == NULL, "can't patch this"); |
aoqi@6880 | 1163 | stub = new SimpleExceptionStub(Runtime1::throw_incompatible_class_change_error_id, LIR_OprFact::illegalOpr, info_for_exception); |
aoqi@6880 | 1164 | } else { |
aoqi@6880 | 1165 | stub = new SimpleExceptionStub(Runtime1::throw_class_cast_exception_id, obj.result(), info_for_exception); |
aoqi@6880 | 1166 | } |
aoqi@6880 | 1167 | LIR_Opr reg = rlock_result(x); |
aoqi@6880 | 1168 | LIR_Opr tmp3 = LIR_OprFact::illegalOpr; |
aoqi@6880 | 1169 | if (!x->klass()->is_loaded() || UseCompressedOops) { |
aoqi@6880 | 1170 | tmp3 = new_register(objectType); |
aoqi@6880 | 1171 | } |
aoqi@6880 | 1172 | __ checkcast(reg, obj.result(), x->klass(), |
aoqi@6880 | 1173 | new_register(objectType), new_register(objectType), tmp3, |
aoqi@6880 | 1174 | x->direct_compare(), info_for_exception, patching_info, stub, |
aoqi@6880 | 1175 | x->profiled_method(), x->profiled_bci()); |
aoqi@1 | 1176 | } |
aoqi@1 | 1177 | |
aoqi@1 | 1178 | |
aoqi@1 | 1179 | void LIRGenerator::do_InstanceOf(InstanceOf* x) { |
aoqi@6880 | 1180 | LIRItem obj(x->obj(), this); |
aoqi@1 | 1181 | |
aoqi@6880 | 1182 | // result and test object may not be in same register |
aoqi@6880 | 1183 | LIR_Opr reg = rlock_result(x); |
aoqi@6880 | 1184 | CodeEmitInfo* patching_info = NULL; |
aoqi@6880 | 1185 | if ((!x->klass()->is_loaded() || PatchALot)) { |
aoqi@6880 | 1186 | // must do this before locking the destination register as an oop register |
aoqi@6880 | 1187 | patching_info = state_for(x, x->state_before()); |
aoqi@6880 | 1188 | } |
aoqi@6880 | 1189 | obj.load_item(); |
aoqi@6880 | 1190 | LIR_Opr tmp = new_register(objectType); |
aoqi@6880 | 1191 | LIR_Opr tmp3 = LIR_OprFact::illegalOpr; |
aoqi@6880 | 1192 | if (!x->klass()->is_loaded() || UseCompressedOops) { |
aoqi@6880 | 1193 | tmp3 = new_register(objectType); |
aoqi@6880 | 1194 | } |
aoqi@1 | 1195 | |
aoqi@6880 | 1196 | __ instanceof(reg, obj.result(), x->klass(), |
aoqi@6880 | 1197 | tmp, new_register(objectType), tmp3, |
aoqi@6880 | 1198 | x->direct_compare(), patching_info, x->profiled_method(), x->profiled_bci()); |
aoqi@1 | 1199 | } |
aoqi@1 | 1200 | |
aoqi@1 | 1201 | |
aoqi@1 | 1202 | void LIRGenerator::do_If(If* x) { |
aoqi@6880 | 1203 | assert(x->number_of_sux() == 2, "inconsistency"); |
aoqi@6880 | 1204 | ValueTag tag = x->x()->type()->tag(); |
aoqi@6880 | 1205 | bool is_safepoint = x->is_safepoint(); |
aoqi@1 | 1206 | |
aoqi@6880 | 1207 | If::Condition cond = x->cond(); |
aoqi@1 | 1208 | |
aoqi@6880 | 1209 | LIRItem xitem(x->x(), this); |
aoqi@6880 | 1210 | LIRItem yitem(x->y(), this); |
aoqi@6880 | 1211 | LIRItem* xin = &xitem; |
aoqi@6880 | 1212 | LIRItem* yin = &yitem; |
aoqi@1 | 1213 | |
aoqi@6880 | 1214 | if (tag == longTag) { |
aoqi@6880 | 1215 | // for longs, only conditions "eql", "neq", "lss", "geq" are valid; |
aoqi@6880 | 1216 | // mirror for other conditions |
aoqi@6880 | 1217 | if (cond == If::gtr || cond == If::leq) { |
aoqi@6880 | 1218 | cond = Instruction::mirror(cond); |
aoqi@6880 | 1219 | xin = &yitem; |
aoqi@6880 | 1220 | yin = &xitem; |
aoqi@6880 | 1221 | } |
aoqi@6880 | 1222 | xin->set_destroys_register(); |
aoqi@6880 | 1223 | } |
aoqi@6880 | 1224 | xin->load_item(); |
aoqi@6880 | 1225 | if (tag == longTag && yin->is_constant() && yin->get_jlong_constant() == 0 && (cond == If::eql || cond == If::neq)) { |
aoqi@6880 | 1226 | // inline long zero |
aoqi@6880 | 1227 | yin->dont_load_item(); |
aoqi@6880 | 1228 | } else if (tag == longTag || tag == floatTag || tag == doubleTag) { |
aoqi@6880 | 1229 | // longs cannot handle constants at right side |
aoqi@6880 | 1230 | yin->load_item(); |
aoqi@6880 | 1231 | } else { |
aoqi@6880 | 1232 | yin->dont_load_item(); |
aoqi@6880 | 1233 | } |
aoqi@1 | 1234 | |
aoqi@6880 | 1235 | // add safepoint before generating condition code so it can be recomputed |
aoqi@6880 | 1236 | if (x->is_safepoint()) { |
aoqi@6880 | 1237 | // increment backedge counter if needed |
aoqi@6880 | 1238 | increment_backedge_counter(state_for(x, x->state_before()), x->profiled_bci()); |
aoqi@6880 | 1239 | __ safepoint(safepoint_poll_register(), state_for(x, x->state_before())); |
aoqi@6880 | 1240 | } |
aoqi@6880 | 1241 | set_no_result(x); |
aoqi@1 | 1242 | |
aoqi@6880 | 1243 | LIR_Opr left = xin->result(); |
aoqi@6880 | 1244 | LIR_Opr right = yin->result(); |
aoqi@6880 | 1245 | profile_branch(x, cond, left, right); |
aoqi@6880 | 1246 | move_to_phi(x->state()); |
aoqi@6880 | 1247 | if (x->x()->type()->is_float_kind()) { |
aoqi@6880 | 1248 | __ branch(lir_cond(cond), left, right, right->type(), x->tsux(), x->usux()); |
aoqi@6880 | 1249 | } else { |
aoqi@6880 | 1250 | __ branch(lir_cond(cond), left, right, right->type(), x->tsux()); |
aoqi@6880 | 1251 | } |
aoqi@6880 | 1252 | assert(x->default_sux() == x->fsux(), "wrong destination above"); |
aoqi@6880 | 1253 | __ jump(x->default_sux()); |
aoqi@1 | 1254 | } |
aoqi@1 | 1255 | |
aoqi@1 | 1256 | |
aoqi@1 | 1257 | LIR_Opr LIRGenerator::getThreadPointer() { |
aoqi@1 | 1258 | #ifdef _LP64 |
aoqi@6880 | 1259 | //FIXME, does as_pointer need to be implemented? or 64bit can use one register. by aoqi |
aoqi@6880 | 1260 | //return FrameMap::as_pointer_opr(r15_thread); |
aoqi@6880 | 1261 | LIR_Opr result = new_register(T_LONG); |
aoqi@6880 | 1262 | __ get_thread(result); |
aoqi@6880 | 1263 | return result; |
aoqi@1 | 1264 | #else |
aoqi@6880 | 1265 | LIR_Opr result = new_register(T_INT); |
aoqi@6880 | 1266 | __ get_thread(result); |
aoqi@6880 | 1267 | return result; |
aoqi@1 | 1268 | #endif // |
aoqi@1 | 1269 | } |
aoqi@1 | 1270 | |
aoqi@1 | 1271 | void LIRGenerator::trace_block_entry(BlockBegin* block) { |
aoqi@6880 | 1272 | store_stack_parameter(LIR_OprFact::intConst(block->block_id()), in_ByteSize(0)); |
aoqi@6880 | 1273 | LIR_OprList* args = new LIR_OprList(); |
aoqi@6880 | 1274 | address func = CAST_FROM_FN_PTR(address, Runtime1::trace_block_entry); |
aoqi@6880 | 1275 | __ call_runtime_leaf(func, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, args); |
aoqi@1 | 1276 | } |
aoqi@1 | 1277 | |
aoqi@1 | 1278 | |
aoqi@1 | 1279 | void LIRGenerator::volatile_field_store(LIR_Opr value, LIR_Address* address, |
aoqi@6880 | 1280 | CodeEmitInfo* info) { |
aoqi@6880 | 1281 | if (address->type() == T_LONG) { |
aoqi@6880 | 1282 | __ volatile_store_mem_reg(value, address, info); |
aoqi@6880 | 1283 | } else { |
aoqi@6880 | 1284 | __ store(value, address, info); |
aoqi@6880 | 1285 | } |
aoqi@1 | 1286 | } |
aoqi@1 | 1287 | |
aoqi@1 | 1288 | void LIRGenerator::volatile_field_load(LIR_Address* address, LIR_Opr result, |
aoqi@6880 | 1289 | CodeEmitInfo* info) { |
aoqi@6880 | 1290 | |
aoqi@6880 | 1291 | if (address->type() == T_LONG) { |
aoqi@6880 | 1292 | __ volatile_load_mem_reg(address, result, info); |
aoqi@6880 | 1293 | } else { |
aoqi@6880 | 1294 | __ load(address, result, info); |
aoqi@6880 | 1295 | } |
aoqi@1 | 1296 | } |
aoqi@1 | 1297 | |
aoqi@1 | 1298 | void LIRGenerator::get_Object_unsafe(LIR_Opr dst, LIR_Opr src, LIR_Opr offset, |
aoqi@6880 | 1299 | BasicType type, bool is_volatile) { |
aoqi@6880 | 1300 | __ add(src, offset, FrameMap::_at_opr); |
aoqi@6880 | 1301 | if (is_volatile && type == T_LONG) { |
aoqi@6880 | 1302 | LIR_Address* addr = new LIR_Address(FrameMap::_at_opr, 0, T_DOUBLE); |
aoqi@6880 | 1303 | LIR_Opr tmp = new_register(T_DOUBLE); |
aoqi@6880 | 1304 | __ load(addr, tmp); |
aoqi@6880 | 1305 | LIR_Opr spill = new_register(T_LONG); |
aoqi@6880 | 1306 | set_vreg_flag(spill, must_start_in_memory); |
aoqi@6880 | 1307 | __ move(tmp, spill); |
aoqi@6880 | 1308 | __ move(spill, dst); |
aoqi@6880 | 1309 | } else { |
aoqi@6880 | 1310 | LIR_Address* addr = new LIR_Address(FrameMap::_at_opr, 0, type); |
aoqi@6880 | 1311 | __ load(addr, dst); |
aoqi@6880 | 1312 | } |
aoqi@1 | 1313 | } |
aoqi@1 | 1314 | |
aoqi@1 | 1315 | |
aoqi@1 | 1316 | void LIRGenerator::put_Object_unsafe(LIR_Opr src, LIR_Opr offset, LIR_Opr data, |
aoqi@6880 | 1317 | BasicType type, bool is_volatile) { |
aoqi@6880 | 1318 | __ add(src, offset, FrameMap::_at_opr); |
aoqi@6880 | 1319 | if (is_volatile && type == T_LONG) { |
aoqi@6880 | 1320 | LIR_Address* addr = new LIR_Address(FrameMap::_at_opr, 0, T_DOUBLE); |
aoqi@6880 | 1321 | LIR_Opr tmp = new_register(T_DOUBLE); |
aoqi@6880 | 1322 | LIR_Opr spill = new_register(T_DOUBLE); |
aoqi@6880 | 1323 | set_vreg_flag(spill, must_start_in_memory); |
aoqi@6880 | 1324 | __ move(data, spill); |
aoqi@6880 | 1325 | __ move(spill, tmp); |
aoqi@6880 | 1326 | __ move(tmp, addr); |
aoqi@6880 | 1327 | } else { |
aoqi@6880 | 1328 | LIR_Address* addr = new LIR_Address(FrameMap::_at_opr, 0, type); |
aoqi@6880 | 1329 | bool is_obj = (type == T_ARRAY || type == T_OBJECT); |
aoqi@6880 | 1330 | if (is_obj) { |
aoqi@6880 | 1331 | // Do the pre-write barrier, if any. |
aoqi@6880 | 1332 | pre_barrier(LIR_OprFact::address(addr), LIR_OprFact::illegalOpr/* pre_val */, |
aoqi@1 | 1333 | true/* do_load */,false /*patch*/, NULL); |
aoqi@6880 | 1334 | __ move(data, addr); |
aoqi@6880 | 1335 | assert(src->is_register(), "must be register"); |
aoqi@6880 | 1336 | // Seems to be a precise address |
aoqi@6880 | 1337 | post_barrier(LIR_OprFact::address(addr), data); |
aoqi@6880 | 1338 | } else { |
aoqi@6880 | 1339 | __ move(data, addr); |
aoqi@6880 | 1340 | } |
aoqi@6880 | 1341 | } |
aoqi@1 | 1342 | } |
aoqi@1 | 1343 | |
aoqi@1 | 1344 | void LIRGenerator::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) { |
aoqi@1 | 1345 | BasicType type = x->basic_type(); |
aoqi@1 | 1346 | LIRItem src(x->object(), this); |
aoqi@1 | 1347 | LIRItem off(x->offset(), this); |
aoqi@1 | 1348 | LIRItem value(x->value(), this); |
aoqi@1 | 1349 | |
aoqi@1 | 1350 | src.load_item(); |
aoqi@1 | 1351 | value.load_item(); |
aoqi@1 | 1352 | off.load_nonconstant(); |
aoqi@1 | 1353 | |
aoqi@1 | 1354 | LIR_Opr dst = rlock_result(x, type); |
aoqi@1 | 1355 | LIR_Opr data = value.result(); |
aoqi@1 | 1356 | bool is_obj = (type == T_ARRAY || type == T_OBJECT); |
aoqi@1 | 1357 | LIR_Opr offset = off.result(); |
aoqi@1 | 1358 | |
aoqi@1 | 1359 | assert (type == T_INT || (!x->is_add() && is_obj) LP64_ONLY( || type == T_LONG ), "unexpected type"); |
aoqi@1 | 1360 | LIR_Address* addr; |
aoqi@1 | 1361 | if (offset->is_constant()) { |
aoqi@1 | 1362 | #ifdef _LP64 |
aoqi@1 | 1363 | jlong c = offset->as_jlong(); |
aoqi@1 | 1364 | if ((jlong)((jint)c) == c) { |
aoqi@1 | 1365 | addr = new LIR_Address(src.result(), (jint)c, type); |
aoqi@1 | 1366 | } else { |
aoqi@1 | 1367 | LIR_Opr tmp = new_register(T_LONG); |
aoqi@1 | 1368 | __ move(offset, tmp); |
aoqi@1 | 1369 | addr = new LIR_Address(src.result(), tmp, type); |
aoqi@1 | 1370 | } |
aoqi@1 | 1371 | #else |
aoqi@1 | 1372 | addr = new LIR_Address(src.result(), offset->as_jint(), type); |
aoqi@1 | 1373 | #endif |
aoqi@1 | 1374 | } else { |
aoqi@1 | 1375 | addr = new LIR_Address(src.result(), offset, type); |
aoqi@1 | 1376 | } |
aoqi@1 | 1377 | |
aoqi@1 | 1378 | if (data != dst) { |
aoqi@1 | 1379 | __ move(data, dst); |
aoqi@1 | 1380 | data = dst; |
aoqi@1 | 1381 | } |
aoqi@1 | 1382 | if (x->is_add()) { |
aoqi@1 | 1383 | __ xadd(LIR_OprFact::address(addr), data, dst, LIR_OprFact::illegalOpr); |
aoqi@1 | 1384 | } else { |
aoqi@1 | 1385 | if (is_obj) { |
aoqi@1 | 1386 | // Do the pre-write barrier, if any. |
aoqi@6880 | 1387 | pre_barrier(LIR_OprFact::address(addr), LIR_OprFact::illegalOpr /* pre_val */, |
aoqi@1 | 1388 | true /* do_load */, false /* patch */, NULL); |
aoqi@1 | 1389 | } |
aoqi@1 | 1390 | __ xchg(LIR_OprFact::address(addr), data, dst, LIR_OprFact::illegalOpr); |
aoqi@1 | 1391 | if (is_obj) { |
aoqi@1 | 1392 | // Seems to be a precise address |
aoqi@6880 | 1393 | post_barrier(LIR_OprFact::address(addr), data); |
aoqi@1 | 1394 | } |
aoqi@1 | 1395 | } |
aoqi@1 | 1396 | } |