public <V> void sput(FieldId<?, V> fieldId, Local<? extends V> source) {
    addInstruction(
        new ThrowingCstInsn(
            Rops.opPutStatic(source.type.ropType),
            sourcePosition,
            RegisterSpecList.make(source.spec()),
            catches,
            fieldId.constant));
  }
Copies the value in {@code source} to the static field {@code fieldId}.
android/android_framework/dex-maker/src/main/java/com/android/dx/Code.java