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wasm: fix bugs in GC and runtime

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This commit is contained in:
Alexey Andreev 2016-09-14 23:23:27 +03:00
parent 5caa400eb7
commit f2668b867d
4 changed files with 15 additions and 7 deletions
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17
core/src/main/java/org/teavm/backend/wasm/generate/WasmGenerationVisitor.java
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@ -919,9 +919,9 @@ class WasmGenerationVisitor implements StatementVisitor, ExprVisitor {
}
slotExpr.acceptVisitor(this);
WasmExpression slot = result;
WasmExpression slotOffset = getSlotOffset(result);
WasmExpression address = new WasmGetLocal(stackVariable);
address = new WasmIntBinary(WasmIntType.INT32, WasmIntBinaryOperation.ADD, address, slot);
address = new WasmIntBinary(WasmIntType.INT32, WasmIntBinaryOperation.ADD, address, slotOffset);
gcRootExpr.acceptVisitor(this);
WasmExpression gcRoot = result;
@ -936,13 +936,22 @@ class WasmGenerationVisitor implements StatementVisitor, ExprVisitor {
}
slotExpr.acceptVisitor(this);
WasmExpression slot = result;
WasmExpression slotOffset = getSlotOffset(result);
WasmExpression address = new WasmGetLocal(stackVariable);
address = new WasmIntBinary(WasmIntType.INT32, WasmIntBinaryOperation.ADD, address, slot);
address = new WasmIntBinary(WasmIntType.INT32, WasmIntBinaryOperation.ADD, address, slotOffset);
result = new WasmStoreInt32(4, address, new WasmInt32Constant(0), WasmInt32Subtype.INT32);
}
private WasmExpression getSlotOffset(WasmExpression slot) {
if (slot instanceof WasmInt32Constant) {
int slotConstant = ((WasmInt32Constant) slot).getValue();
return new WasmInt32Constant(slotConstant << 2);
} else {
return new WasmIntBinary(WasmIntType.INT32, WasmIntBinaryOperation.SHL, slot, new WasmInt32Constant(2));
}
}
@Override
public void visit(BlockStatement statement) {
WasmBlock block = new WasmBlock(false);

2
core/src/main/java/org/teavm/backend/wasm/intrinsics/AddressIntrinsic.java
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@ -157,7 +157,7 @@ public class AddressIntrinsic implements WasmIntrinsic {
WasmCall call = new WasmCall(WasmMangling.mangleMethod(delegate));
call.getArguments().addAll(invocation.getArguments().stream()
.map(arg -> manager.generate(arg))
.collect(Collectors.toSet()));
.collect(Collectors.toList()));
return call;
}
case "isLessThan": {

2
core/src/main/java/org/teavm/model/lowlevel/GcRootMaintainingTransformer.java
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@ -169,8 +169,6 @@ public class GcRootMaintainingTransformer {
registerInvocation.getArguments().add(slotVar);
registerInvocation.getArguments().add(program.variableAt(liveVar));
instructionsToAdd.add(registerInvocation);
++slot;
}
while (slot < maxDepth) {

1
core/src/main/java/org/teavm/runtime/GC.java
View File

@ -317,6 +317,7 @@ public final class GC {
Address address = Address.fromInt(Structure.sizeOf(RuntimeArray.class));
address = Address.align(address, itemSize);
address = address.add(itemSize * array.size);
address = Address.align(address, 4);
return address.toInt();
}
}