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Consume the THIS parameter from Unsafe calls

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This commit is contained in:
Volker Berlin 2023-02-26 22:35:39 +01:00
parent bf96823c27
commit 3cccd27b35
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1 changed files with 15 additions and 15 deletions
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30
src/de/inetsoftware/jwebassembly/module/UnsafeManager.java
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@ -502,13 +502,13 @@ class UnsafeManager {
if( type.isRefType() ) {
type = ValueType.ref;
}
return "local.get 0" // THIS
return "local.get 1" // THIS
+ " struct.get " + state.typeName + ' ' + state.fieldName //
+ " local.get 2 " // expected
+ " local.get 3 " // expected
+ type + ".eq" //
+ " if" //
+ " local.get 0" // THIS
+ " local.get 3" // update
+ " local.get 1" // THIS
+ " local.get 4" // update
+ " struct.set " + state.typeName + ' ' + state.fieldName //
+ " i32.const 1" //
+ " return" //
@ -518,23 +518,23 @@ class UnsafeManager {
case "getAndAddInt":
case "getAndAddLong":
return "local.get 0" // THIS
+ " local.get 0" // THIS
return "local.get 1" // THIS
+ " local.get 1" // THIS
+ " struct.get " + state.typeName + ' ' + state.fieldName //
+ " local.tee 3" // temp
+ " local.get 2 " // delta
+ " local.tee 4" // temp
+ " local.get 3 " // delta
+ paramTypes[3] + ".add" //
+ " struct.set " + state.typeName + ' ' + state.fieldName //
+ " local.get 3" // temp
+ " local.get 4" // temp
+ " return";
case "getAndSetInt":
case "getAndSetLong":
case "getAndSetObject":
return "local.get 0" // THIS
return "local.get 1" // THIS
+ " struct.get " + state.typeName + ' ' + state.fieldName //
+ " local.get 0" // THIS
+ " local.get 2" // newValue
+ " local.get 1" // THIS
+ " local.get 3" // newValue
+ " struct.set " + state.typeName + ' ' + state.fieldName //
+ " return";
@ -545,15 +545,15 @@ class UnsafeManager {
case "putOrderedObject":
case "putObjectVolatile":
case "putObject":
return "local.get 0" // THIS
+ " local.get 2" // x
return "local.get 1" // THIS
+ " local.get 3" // x
+ " struct.set " + state.typeName + ' ' + state.fieldName;
}
throw new RuntimeException( name.signatureName );
}
};
functions.markAsNeeded( func, false );
functions.markAsNeeded( func, true ); // original function has an THIS parameter of the Unsafe instance, we need to consume it
WasmCallInstruction call = new WasmCallInstruction( func, callInst.getCodePosition(), callInst.getLineNumber(), callInst.getTypeManager(), false );
instructions.set( idx, call );