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https://github.com/c64scene-ar/llvm-6502.git
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Support cast float to float, cast double to float, and cast float to double.
(It's not yet clear how to copy doubles from register to register.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14371 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -517,16 +517,33 @@ void V8ISel::emitCastOperation(MachineBasicBlock *BB,
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}
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}
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} else {
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if (oldTyClass < cLong && newTyClass == cFloat) {
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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} else if (oldTyClass < cLong && newTyClass == cDouble) {
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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if (newTyClass == cFloat) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FMOVS, 1, DestReg).addReg (SrcReg);
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break;
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case cDouble:
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BuildMI (*BB, IP, V8::FDTOS, 1, DestReg).addReg (SrcReg);
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break;
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default:
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else if (newTyClass == cDouble) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FSTOD, 1, DestReg).addReg (SrcReg);
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break;
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default:
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else {
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std::cerr << "Cast still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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@ -517,16 +517,33 @@ void V8ISel::emitCastOperation(MachineBasicBlock *BB,
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}
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}
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} else {
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if (oldTyClass < cLong && newTyClass == cFloat) {
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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} else if (oldTyClass < cLong && newTyClass == cDouble) {
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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if (newTyClass == cFloat) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FMOVS, 1, DestReg).addReg (SrcReg);
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break;
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case cDouble:
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BuildMI (*BB, IP, V8::FDTOS, 1, DestReg).addReg (SrcReg);
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break;
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default:
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else if (newTyClass == cDouble) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FSTOD, 1, DestReg).addReg (SrcReg);
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break;
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default:
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else {
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std::cerr << "Cast still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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@ -517,16 +517,33 @@ void V8ISel::emitCastOperation(MachineBasicBlock *BB,
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}
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}
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} else {
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if (oldTyClass < cLong && newTyClass == cFloat) {
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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} else if (oldTyClass < cLong && newTyClass == cDouble) {
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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if (newTyClass == cFloat) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FMOVS, 1, DestReg).addReg (SrcReg);
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break;
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case cDouble:
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BuildMI (*BB, IP, V8::FDTOS, 1, DestReg).addReg (SrcReg);
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break;
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default:
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else if (newTyClass == cDouble) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FSTOD, 1, DestReg).addReg (SrcReg);
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break;
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default:
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else {
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std::cerr << "Cast still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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@ -517,16 +517,33 @@ void V8ISel::emitCastOperation(MachineBasicBlock *BB,
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}
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}
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} else {
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if (oldTyClass < cLong && newTyClass == cFloat) {
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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} else if (oldTyClass < cLong && newTyClass == cDouble) {
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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if (newTyClass == cFloat) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FMOVS, 1, DestReg).addReg (SrcReg);
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break;
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case cDouble:
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BuildMI (*BB, IP, V8::FDTOS, 1, DestReg).addReg (SrcReg);
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break;
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default:
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// cast int to float. Store it to a stack slot and then load
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// it using ldf into a floating point register. then do fitos.
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std::cerr << "Casts to float still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else if (newTyClass == cDouble) {
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switch (oldTyClass) {
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case cFloat:
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BuildMI (*BB, IP, V8::FSTOD, 1, DestReg).addReg (SrcReg);
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break;
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default:
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std::cerr << "Casts to double still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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abort ();
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break;
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}
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} else {
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std::cerr << "Cast still unsupported: SrcTy = "
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<< *SrcTy << ", DestTy = " << *DestTy << "\n";
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