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Unsafe code for atomic long

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Volker Berlin 2022-10-16 21:44:29 +02:00
parent d7b9d80648
commit 4aa282176e
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GPG Key ID: 988423EF815BE4CB
1 changed files with 15 additions and 3 deletions
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18
src/de/inetsoftware/jwebassembly/module/UnsafeManager.java
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@ -147,16 +147,25 @@ class UnsafeManager {
case "sun/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I":
case "sun/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I":
case "sun/misc/Unsafe.putOrderedInt(Ljava/lang/Object;JI)V":
case "sun/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J":
case "sun/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J":
case "sun/misc/Unsafe.putOrderedLong(Ljava/lang/Object;JJ)V":
case "sun/misc/Unsafe.getObjectVolatile(Ljava/lang/Object;J)Ljava/lang/Object;":
case "sun/misc/Unsafe.putOrderedObject(Ljava/lang/Object;JLjava/lang/Object;)V":
case "jdk/internal/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I":
case "jdk/internal/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I":
case "jdk/internal/misc/Unsafe.putIntRelease(Ljava/lang/Object;JI)V":
case "jdk/internal/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J":
case "jdk/internal/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J":
case "jdk/internal/misc/Unsafe.putLongRelease(Ljava/lang/Object;JJ)V":
case "jdk/internal/misc/Unsafe.putLongVolatile(Ljava/lang/Object;JJ)V":
case "jdk/internal/misc/Unsafe.putObject(Ljava/lang/Object;JLjava/lang/Object;)V":
case "jdk/internal/misc/Unsafe.getObjectAcquire(Ljava/lang/Object;J)Ljava/lang/Object;":
patchFieldFunction( instructions, idx, callInst, name, 2 );
break;
case "sun/misc/Unsafe.compareAndSwapInt(Ljava/lang/Object;JII)Z":
case "sun/misc/Unsafe.compareAndSwapLong(Ljava/lang/Object;JJJ)Z":
case "sun/misc/Unsafe.compareAndSwapObject(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z":
case "jdk/internal/misc/Unsafe.compareAndSetInt(Ljava/lang/Object;JII)Z":
case "jdk/internal/misc/Unsafe.compareAndSetLong(Ljava/lang/Object;JJJ)Z":
case "jdk/internal/misc/Unsafe.compareAndSetObject(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z":
@ -419,10 +428,10 @@ class UnsafeManager {
// we are in the scan phase. The static code was not scanned yet.
return "";
}
AnyType[] paramTypes = callInst.getPopValueTypes();
switch( name.methodName ) {
case "compareAndSwapInt":
case "compareAndSwapLong":
AnyType[] paramTypes = callInst.getPopValueTypes();
return "local.get 0" // THIS
+ " struct.get " + state.typeName + ' ' + state.fieldName //
+ " local.get 2 " // expected
@ -438,17 +447,19 @@ class UnsafeManager {
+ " return";
case "getAndAddInt":
case "getAndAddLong":
return "local.get 0" // THIS
+ " local.get 0" // THIS
+ " struct.get " + state.typeName + ' ' + state.fieldName //
+ " local.tee 3" // temp
+ " local.get 2" // delta
+ " i32.add" //
+ " local.get 2 " // delta
+ paramTypes[3] + ".add" //
+ " struct.set " + state.typeName + ' ' + state.fieldName //
+ " local.get 3" // temp
+ " return";
case "getAndSetInt":
case "getAndSetLong":
return "local.get 0" // THIS
+ " struct.get " + state.typeName + ' ' + state.fieldName //
+ " local.get 0" // THIS
@ -457,6 +468,7 @@ class UnsafeManager {
+ " return";
case "putOrderedInt":
case "putOrderedLong":
return "local.get 0" // THIS
+ " local.get 2" // x
+ " struct.set " + state.typeName + ' ' + state.fieldName;