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comparison graal/GraalCompiler/src/com/sun/c1x/target/amd64/AMD64LIRGenerator.java @ 2519:f6125fb5bfbc

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Removed intrinsics.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 16:25:32 +0200
parents 4fdef1464592
children 2f271a85d104
comparison
equal deleted inserted replaced
2516:a384fac3fd34 2519:f6125fb5bfbc
447 Util.unimplemented(); 447 Util.unimplemented();
448 } 448 }
449 } 449 }
450 450
451 @Override 451 @Override
452 protected void genCompareAndSwap(Intrinsic x, CiKind kind) {
453 assert x.numberOfArguments() == 5 : "wrong number of arguments: " + x.numberOfArguments();
454 // Argument 0 is the receiver.
455 LIRItem obj = new LIRItem(x.argumentAt(1), this); // object
456 LIRItem offset = new LIRItem(x.argumentAt(2), this); // offset of field
457 LIRItem val = new LIRItem(x.argumentAt(4), this); // replace field with val if matches cmp
458
459 assert obj.instruction.kind.isObject() : "invalid type";
460
461 assert val.instruction.kind == kind : "invalid type";
462
463 // get address of field
464 obj.loadItem();
465 offset.loadNonconstant();
466 CiAddress addr;
467 if (offset.result().isConstant()) {
468 addr = new CiAddress(kind, obj.result(), (int) ((CiConstant) offset.result()).asLong());
469 } else {
470 addr = new CiAddress(kind, obj.result(), offset.result());
471 }
472
473 // Compare operand needs to be in RAX.
474 CiValue cmp = force(x.argumentAt(3), AMD64.rax.asValue(kind));
475 val.loadItem();
476
477 CiValue pointer = newVariable(CiKind.Word);
478 lir.lea(addr, pointer);
479
480 if (kind.isObject()) { // Write-barrier needed for Object fields.
481 // Do the pre-write barrier : if any.
482 preGCWriteBarrier(pointer, false, null);
483 }
484
485 if (kind.isObject()) {
486 lir.casObj(pointer, cmp, val.result());
487 } else if (kind.isInt()) {
488 lir.casInt(pointer, cmp, val.result());
489 } else if (kind.isLong()) {
490 lir.casLong(pointer, cmp, val.result());
491 } else {
492 Util.shouldNotReachHere();
493 }
494
495 // generate conditional move of boolean result
496 CiValue result = createResultVariable(x);
497 lir.cmove(Condition.EQ, CiConstant.INT_1, CiConstant.INT_0, result);
498 if (kind.isObject()) { // Write-barrier needed for Object fields.
499 // Seems to be precise
500 postGCWriteBarrier(pointer, val.result());
501 }
502 }
503
504 @Override
505 protected void genMathIntrinsic(Intrinsic x) {
506 assert x.numberOfArguments() == 1 : "wrong type";
507
508 CiValue calcInput = load(x.argumentAt(0));
509
510 switch (x.intrinsic()) {
511 case java_lang_Math$abs:
512 lir.abs(calcInput, createResultVariable(x), ILLEGAL);
513 break;
514 case java_lang_Math$sqrt:
515 lir.sqrt(calcInput, createResultVariable(x), ILLEGAL);
516 break;
517 case java_lang_Math$sin:
518 setResult(x, callRuntimeWithResult(CiRuntimeCall.ArithmeticSin, null, calcInput));
519 break;
520 case java_lang_Math$cos:
521 setResult(x, callRuntimeWithResult(CiRuntimeCall.ArithmeticCos, null, calcInput));
522 break;
523 case java_lang_Math$tan:
524 setResult(x, callRuntimeWithResult(CiRuntimeCall.ArithmeticTan, null, calcInput));
525 break;
526 case java_lang_Math$log:
527 setResult(x, callRuntimeWithResult(CiRuntimeCall.ArithmeticLog, null, calcInput));
528 break;
529 case java_lang_Math$log10:
530 setResult(x, callRuntimeWithResult(CiRuntimeCall.ArithmeticLog10, null, calcInput));
531 break;
532 default:
533 Util.shouldNotReachHere("Unknown math intrinsic");
534 }
535 }
536
537 @Override
538 public void visitConvert(Convert x) { 452 public void visitConvert(Convert x) {
539 CiValue input = load(x.value()); 453 CiValue input = load(x.value());
540 CiVariable result = newVariable(x.kind); 454 CiVariable result = newVariable(x.kind);
541 // arguments of lirConvert 455 // arguments of lirConvert
542 GlobalStub globalStub = null; 456 GlobalStub globalStub = null;