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https://github.com/c64scene-ar/llvm-6502.git
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allow vectors to be passed to stdcall/fastcall functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34590 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -645,8 +645,7 @@ HowToPassCallArgument(MVT::ValueType ObjectVT,
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unsigned NumIntRegs, unsigned NumXMMRegs,
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unsigned MaxNumIntRegs,
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unsigned &ObjSize, unsigned &ObjIntRegs,
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unsigned &ObjXMMRegs,
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bool AllowVectors = true) {
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unsigned &ObjXMMRegs) {
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ObjSize = 0;
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ObjIntRegs = 0;
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ObjXMMRegs = 0;
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@ -696,14 +695,11 @@ HowToPassCallArgument(MVT::ValueType ObjectVT,
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case MVT::v2i64:
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case MVT::v4f32:
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case MVT::v2f64:
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if (AllowVectors) {
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if (NumXMMRegs < 4)
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ObjXMMRegs = 1;
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else
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ObjSize = 16;
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break;
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} else
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assert(0 && "Unhandled argument type [vector]!");
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if (NumXMMRegs < 4)
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ObjXMMRegs = 1;
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else
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ObjSize = 16;
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break;
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}
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}
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@ -764,8 +760,7 @@ SDOperand X86TargetLowering::LowerCCCArguments(SDOperand Op, SelectionDAG &DAG,
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HowToPassCallArgument(ObjectVT,
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ArgInRegs[i],
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NumIntRegs, NumXMMRegs, 3,
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ObjSize, ObjIntRegs, ObjXMMRegs,
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!isStdCall);
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ObjSize, ObjIntRegs, ObjXMMRegs);
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if (ObjSize > 4)
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ArgIncrement = ObjSize;
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@ -884,8 +879,7 @@ SDOperand X86TargetLowering::LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG,
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HowToPassCallArgument(Arg.getValueType(),
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ArgInRegs[i],
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NumIntRegs, NumXMMRegs, 3,
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ObjSize, ObjIntRegs, ObjXMMRegs,
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CC != CallingConv::X86_StdCall);
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ObjSize, ObjIntRegs, ObjXMMRegs);
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if (ObjSize > 4)
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ArgIncrement = ObjSize;
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@ -918,8 +912,7 @@ SDOperand X86TargetLowering::LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG,
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HowToPassCallArgument(Arg.getValueType(),
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ArgInRegs[i],
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NumIntRegs, NumXMMRegs, 3,
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ObjSize, ObjIntRegs, ObjXMMRegs,
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CC != CallingConv::X86_StdCall);
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ObjSize, ObjIntRegs, ObjXMMRegs);
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if (ObjSize > 4)
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ArgIncrement = ObjSize;
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@ -1574,8 +1567,7 @@ X86TargetLowering::LowerFastCCArguments(SDOperand Op, SelectionDAG &DAG,
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true, // Use as much registers as possible
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NumIntRegs, NumXMMRegs,
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(isFastCall ? 2 : FASTCC_NUM_INT_ARGS_INREGS),
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ObjSize, ObjIntRegs, ObjXMMRegs,
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!isFastCall);
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ObjSize, ObjIntRegs, ObjXMMRegs);
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if (ObjSize > 4)
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ArgIncrement = ObjSize;
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