Mercurial > hg > graal-jvmci-8
comparison graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.java @ 2521:2f271a85d104
Removed intrinsic-related instructions
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 16:40:09 +0200 |
parents | f6125fb5bfbc |
children | c480605ef068 |
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2520:99307021e3f5 | 2521:2f271a85d104 |
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1432 return true; | 1432 return true; |
1433 } | 1433 } |
1434 } | 1434 } |
1435 } | 1435 } |
1436 return false; | 1436 return false; |
1437 } | |
1438 | |
1439 private Instruction genArrayClone(RiMethod target, Value[] args) { | |
1440 FrameState state = curState.immutableCopy(bci()); | |
1441 Value array = args[0]; | |
1442 RiType type = array.declaredType(); | |
1443 assert type != null && type.isResolved() && type.isArrayClass(); | |
1444 Value newLength = args[1]; | |
1445 | |
1446 Value oldLength = append(new ArrayLength(array, state)); | |
1447 Value newArray = append(new NewObjectArrayClone(newLength, array, state)); | |
1448 Value copyLength = append(new IfOp(newLength, Condition.LT, oldLength, newLength, oldLength)); | |
1449 append(new ArrayCopy(array, Constant.forInt(0), newArray, Constant.forInt(0), copyLength, null, null)); | |
1450 return (Instruction) newArray; | |
1451 } | |
1452 | |
1453 private Instruction genArrayCopy(RiMethod target, Value[] args) { | |
1454 FrameState state = curState.immutableCopy(bci()); | |
1455 Instruction result; | |
1456 Value src = args[0]; | |
1457 Value srcPos = args[1]; | |
1458 Value dest = args[2]; | |
1459 Value destPos = args[3]; | |
1460 Value length = args[4]; | |
1461 | |
1462 // Check src start pos. | |
1463 Value srcLength = append(new ArrayLength(src, state)); | |
1464 | |
1465 // Check dest start pos. | |
1466 Value destLength = srcLength; | |
1467 if (src != dest) { | |
1468 destLength = append(new ArrayLength(dest, state)); | |
1469 } | |
1470 | |
1471 // Check src end pos. | |
1472 Value srcEndPos = append(new ArithmeticOp(IADD, CiKind.Int, srcPos, length, false, null)); | |
1473 append(new BoundsCheck(srcEndPos, srcLength, state, Condition.LE)); | |
1474 | |
1475 // Check dest end pos. | |
1476 Value destEndPos = srcEndPos; | |
1477 if (destPos != srcPos) { | |
1478 destEndPos = append(new ArithmeticOp(IADD, CiKind.Int, destPos, length, false, null)); | |
1479 } | |
1480 append(new BoundsCheck(destEndPos, destLength, state, Condition.LE)); | |
1481 | |
1482 Value zero = append(Constant.forInt(0)); | |
1483 append(new BoundsCheck(length, zero, state, Condition.GE)); | |
1484 append(new BoundsCheck(srcPos, zero, state, Condition.GE)); | |
1485 append(new BoundsCheck(destPos, zero, state, Condition.GE)); | |
1486 | |
1487 result = new ArrayCopy(src, srcPos, dest, destPos, length, target, state); | |
1488 return result; | |
1489 } | 1437 } |
1490 | 1438 |
1491 private boolean tryFoldable(RiMethod target, Value[] args) { | 1439 private boolean tryFoldable(RiMethod target, Value[] args) { |
1492 CiConstant result = Canonicalizer.foldInvocation(compilation.runtime, target, args); | 1440 CiConstant result = Canonicalizer.foldInvocation(compilation.runtime, target, args); |
1493 if (result != null) { | 1441 if (result != null) { |