OrdinaryMagician/vkdoom_m
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- only allocate stack space for vmframe and call returns when we need them

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This commit is contained in:
Magnus Norddahl 2018-11-18 13:49:19 +01:00
commit a8a9ec98f3
3 changed files with 51 additions and 12 deletions
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8
src/scripting/vm/jit_call.cpp
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@ -71,6 +71,8 @@ void JitCompiler::EmitDoCall(asmjit::X86Gp vmfunc, VMFunction *target)
simpleFrameTarget = starget->SpecialInits.Size() == 0 && starget->NumRegS == 0;
}
CheckVMFrame();
int numparams = StoreCallParams(simpleFrameTarget);
if (numparams != B)
I_FatalError("OP_CALL parameter count does not match the number of preceding OP_PARAM instructions");
@ -106,7 +108,7 @@ void JitCompiler::EmitScriptCall(asmjit::X86Gp vmfunc, asmjit::X86Gp paramsptr)
call->setArg(0, vmfunc);
call->setArg(1, paramsptr);
call->setArg(2, Imm(B));
call->setArg(3, callReturns);
call->setArg(3, GetCallReturns());
call->setArg(4, Imm(C));
}
@ -346,7 +348,7 @@ void JitCompiler::FillReturns(const VMOP *retval, int numret)
break;
}
cc.mov(x86::ptr(callReturns, i * sizeof(VMReturn) + myoffsetof(VMReturn, Location)), regPtr);
cc.mov(x86::byte_ptr(callReturns, i * sizeof(VMReturn) + myoffsetof(VMReturn, RegType)), type);
cc.mov(x86::ptr(GetCallReturns(), i * sizeof(VMReturn) + myoffsetof(VMReturn, Location)), regPtr);
cc.mov(x86::byte_ptr(GetCallReturns(), i * sizeof(VMReturn) + myoffsetof(VMReturn, RegType)), type);
}
}