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Use the jump table for HighCq tail continues. (#1088)
* Use the jump table for tail continues. This path is always reached when a function larger than our current length limit (currently 5000) is compiled. * Use Call Flag rather than 1L
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1 changed files with 15 additions and 6 deletions
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@ -225,14 +225,23 @@ namespace ARMeilleure.Instructions
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bool useTailContinue = true; // Left option here as it may be useful if we need to return to managed rather than tail call in future. (eg. for debug)
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if (useTailContinue)
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{
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if (allowRejit)
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if (context.HighCq)
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{
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address = context.BitwiseOr(address, Const(1L));
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// If we're doing a tail continue in HighCq, reserve a space in the jump table to avoid calling back to the translator.
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// This will always try to get a HighCq version of our continue target as well.
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EmitJumpTableBranch(context, address, true);
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}
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else
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{
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if (allowRejit)
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{
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address = context.BitwiseOr(address, Const(CallFlag));
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}
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Operand fallbackAddr = context.Call(new _U64_U64(NativeInterface.GetFunctionAddress), address);
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Operand fallbackAddr = context.Call(new _U64_U64(NativeInterface.GetFunctionAddress), address);
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EmitNativeCall(context, fallbackAddr, true);
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EmitNativeCall(context, fallbackAddr, true);
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}
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}
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else
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{
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