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- make functions using too many registers (more than 200) fall back to the VM
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1 changed files with 8 additions and 1 deletions
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@ -221,10 +221,17 @@ int VMScriptFunction::PCToLine(const VMOP *pc)
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return -1;
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}
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static bool CanJit(VMScriptFunction *func)
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{
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// Asmjit has a 256 register limit. Stay safely away from it as the jit compiler uses a few for temporaries as well.
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// Any function exceeding the limit will use the VM - a fair punishment to someone for writing a function so bloated ;)
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return func->NumRegA + func->NumRegD + func->NumRegF + func->NumRegS < 200;
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}
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int VMScriptFunction::FirstScriptCall(VMFunction *func, VMValue *params, int numparams, VMReturn *ret, int numret)
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{
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#ifdef ARCH_X64
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if (vm_jit)
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if (vm_jit && CanJit(static_cast<VMScriptFunction*>(func)))
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{
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func->ScriptCall = JitCompile(static_cast<VMScriptFunction*>(func));
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if (!func->ScriptCall)
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