Mercurial > hg > graal-jvmci-8

comparison graal/GraalCompiler/src/com/sun/c1x/target/amd64/AMD64LIRGenerator.java @ 2867:5c545fef2c81

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merge
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 07 Jun 2011 16:33:04 +0200
parents 7f14e6b48a9c a97605b0489b
children fc75fd3fa5e4
comparison
equal deleted inserted replaced
2866:7f14e6b48a9c 2867:5c545fef2c81
122 } 122 }
123 return false; 123 return false;
124 } 124 }
125 125
126 @Override 126 @Override
127 public void visitNegateOp(NegateOp x) { 127 public void visitNegate(Negate x) {
128 LIRItem value = new LIRItem(x.x(), this); 128 LIRItem value = new LIRItem(x.x(), this);
129 value.setDestroysRegister(); 129 value.setDestroysRegister();
130 value.loadItem(); 130 value.loadItem();
131 CiVariable reg = newVariable(x.kind); 131 CiVariable reg = newVariable(x.kind);
132 GlobalStub globalStub = null; 132 GlobalStub globalStub = null;
142 public boolean livesLonger(Value x, Value y) { 142 public boolean livesLonger(Value x, Value y) {
143 // TODO(tw): Estimate which value will live longer. 143 // TODO(tw): Estimate which value will live longer.
144 return false; 144 return false;
145 } 145 }
146 146
147 public void visitArithmeticOpFloat(ArithmeticOp x) { 147 public void visitArithmeticOpFloat(Arithmetic x) {
148 LIRItem left = new LIRItem(x.x(), this); 148 LIRItem left = new LIRItem(x.x(), this);
149 LIRItem right = new LIRItem(x.y(), this); 149 LIRItem right = new LIRItem(x.y(), this);
150 assert !left.isStack() || !right.isStack() : "can't both be memory operands"; 150 assert !left.isStack() || !right.isStack() : "can't both be memory operands";
151 boolean mustLoadBoth = x.opcode == Bytecodes.FREM || x.opcode == Bytecodes.DREM; 151 boolean mustLoadBoth = x.opcode == Bytecodes.FREM || x.opcode == Bytecodes.DREM;
152 152
183 } 183 }
184 184
185 setResult(x, reg); 185 setResult(x, reg);
186 } 186 }
187 187
188 public void visitArithmeticOpLong(ArithmeticOp x) { 188 public void visitArithmeticOpLong(Arithmetic x) {
189 int opcode = x.opcode; 189 int opcode = x.opcode;
190 if (opcode == Bytecodes.LDIV || opcode == Bytecodes.LREM) { 190 if (opcode == Bytecodes.LDIV || opcode == Bytecodes.LREM) {
191 // emit inline 64-bit code 191 // emit inline 64-bit code
192 LIRDebugInfo info = stateFor(x); 192 LIRDebugInfo info = stateFor(x);
193 CiValue dividend = force(x.x(), RAX_L); // dividend must be in RAX 193 CiValue dividend = force(x.x(), RAX_L); // dividend must be in RAX
226 createResultVariable(x); 226 createResultVariable(x);
227 arithmeticOpLong(opcode, x.operand(), left, right.result(), null); 227 arithmeticOpLong(opcode, x.operand(), left, right.result(), null);
228 } 228 }
229 } 229 }
230 230
231 public void visitArithmeticOpInt(ArithmeticOp x) { 231 public void visitArithmeticOpInt(Arithmetic x) {
232 int opcode = x.opcode; 232 int opcode = x.opcode;
233 if (opcode == Bytecodes.IDIV || opcode == Bytecodes.IREM) { 233 if (opcode == Bytecodes.IDIV || opcode == Bytecodes.IREM) {
234 // emit code for integer division or modulus 234 // emit code for integer division or modulus
235 235
236 // Call 'stateFor' before 'force()' because 'stateFor()' may 236 // Call 'stateFor' before 'force()' because 'stateFor()' may
304 arithmeticOpInt(opcode, x.operand(), leftArg.result(), rightArg.result(), tmp); 304 arithmeticOpInt(opcode, x.operand(), leftArg.result(), rightArg.result(), tmp);
305 } 305 }
306 } 306 }
307 } 307 }
308 308
309 public void visitArithmeticOpWord(ArithmeticOp x) { 309 public void visitArithmeticOpWord(Arithmetic x) {
310 int opcode = x.opcode; 310 int opcode = x.opcode;
311 if (opcode == Bytecodes.WDIV || opcode == Bytecodes.WREM || opcode == Bytecodes.WDIVI || opcode == Bytecodes.WREMI) { 311 if (opcode == Bytecodes.WDIV || opcode == Bytecodes.WREM || opcode == Bytecodes.WDIVI || opcode == Bytecodes.WREMI) {
312 // emit code for long division or modulus 312 // emit code for long division or modulus
313 // emit inline 64-bit code 313 // emit inline 64-bit code
314 LIRDebugInfo info = stateFor(x); 314 LIRDebugInfo info = stateFor(x);
357 arithmeticOpLong(opcode, x.operand(), left, right.result(), null); 357 arithmeticOpLong(opcode, x.operand(), left, right.result(), null);
358 } 358 }
359 } 359 }
360 360
361 @Override 361 @Override
362 public void visitArithmeticOp(ArithmeticOp x) { 362 public void visitArithmetic(Arithmetic x) {
363 trySwap(x); 363 trySwap(x);
364 364
365 if (x.kind.isWord() || x.opcode == Bytecodes.WREMI) { 365 if (x.kind.isWord() || x.opcode == Bytecodes.WREMI) {
366 visitArithmeticOpWord(x); 366 visitArithmeticOpWord(x);
367 return; 367 return;
382 } 382 }
383 throw Util.shouldNotReachHere(); 383 throw Util.shouldNotReachHere();
384 } 384 }
385 385
386 @Override 386 @Override
387 public void visitShiftOp(ShiftOp x) { 387 public void visitShift(Shift x) {
388 // count must always be in rcx 388 // count must always be in rcx
389 CiValue count = makeOperand(x.y()); 389 CiValue count = makeOperand(x.y());
390 boolean mustLoadCount = !count.isConstant() || x.kind == CiKind.Long; 390 boolean mustLoadCount = !count.isConstant() || x.kind == CiKind.Long;
391 if (mustLoadCount) { 391 if (mustLoadCount) {
392 // count for long must be in register 392 // count for long must be in register
398 398
399 shiftOp(x.opcode, reg, value, count, ILLEGAL); 399 shiftOp(x.opcode, reg, value, count, ILLEGAL);
400 } 400 }
401 401
402 @Override 402 @Override
403 public void visitLogicOp(LogicOp x) { 403 public void visitLogic(Logic x) {
404 trySwap(x); 404 trySwap(x);
405 405
406 LIRItem right = new LIRItem(x.y(), this); 406 LIRItem right = new LIRItem(x.y(), this);
407 407
408 CiValue left = load(x.x()); 408 CiValue left = load(x.x());
410 CiValue reg = createResultVariable(x); 410 CiValue reg = createResultVariable(x);
411 411
412 logicOp(x.opcode, reg, left, right.result()); 412 logicOp(x.opcode, reg, left, right.result());
413 } 413 }
414 414
415 private void trySwap(Op2 x) { 415 private void trySwap(Binary x) {
416 // (tw) TODO: Check what this is for? 416 // (tw) TODO: Check what this is for?
417 } 417 }
418 418
419 @Override 419 @Override
420 public void visitCompareOp(CompareOp x) { 420 public void visitMaterialize(Materialize x) {
421 LIRItem left = new LIRItem(x.x(), this); 421 LIRItem left = new LIRItem(x.x(), this);
422 LIRItem right = new LIRItem(x.y(), this); 422 LIRItem right = new LIRItem(x.y(), this);
423 if (!x.kind.isVoid() && x.x().kind.isLong()) { 423 if (!x.kind.isVoid() && x.x().kind.isLong()) {
424 left.setDestroysRegister(); 424 left.setDestroysRegister();
425 } 425 }