}
}
+ if (Subtarget->isTargetWin64()) {
+ setOperationAction(ISD::SDIV, MVT::i128, Custom);
+ setOperationAction(ISD::UDIV, MVT::i128, Custom);
+ setOperationAction(ISD::SREM, MVT::i128, Custom);
+ setOperationAction(ISD::UREM, MVT::i128, Custom);
+ setOperationAction(ISD::SDIVREM, MVT::i128, Custom);
+ setOperationAction(ISD::UDIVREM, MVT::i128, Custom);
+ }
+
// We have target-specific dag combine patterns for the following nodes:
setTargetDAGCombine(ISD::VECTOR_SHUFFLE);
setTargetDAGCombine(ISD::EXTRACT_VECTOR_ELT);
return DAG.getNode(ISD::ADD, dl, VT, Res, AhiBlo);
}
+SDValue X86TargetLowering::LowerWin64_i128OP(SDValue Op, SelectionDAG &DAG) const {
+ assert(Subtarget->isTargetWin64() && "Unexpected target");
+ EVT VT = Op.getValueType();
+ assert(VT.isInteger() && VT.getSizeInBits() == 128 &&
+ "Unexpected return type for lowering");
+
+ RTLIB::Libcall LC;
+ bool isSigned;
+ switch (Op->getOpcode()) {
+ default: llvm_unreachable("Unexpected request for libcall!");
+ case ISD::SDIV: isSigned = true; LC = RTLIB::SDIV_I128; break;
+ case ISD::UDIV: isSigned = false; LC = RTLIB::UDIV_I128; break;
+ case ISD::SREM: isSigned = true; LC = RTLIB::SREM_I128; break;
+ case ISD::UREM: isSigned = false; LC = RTLIB::UREM_I128; break;
+ case ISD::SDIVREM: isSigned = true; LC = RTLIB::SDIVREM_I128; break;
+ case ISD::UDIVREM: isSigned = false; LC = RTLIB::UDIVREM_I128; break;
+ }
+
+ SDLoc dl(Op);
+ SDValue InChain = DAG.getEntryNode();
+
+ TargetLowering::ArgListTy Args;
+ TargetLowering::ArgListEntry Entry;
+ for (unsigned i = 0, e = Op->getNumOperands(); i != e; ++i) {
+ EVT ArgVT = Op->getOperand(i).getValueType();
+ assert(ArgVT.isInteger() && ArgVT.getSizeInBits() == 128 &&
+ "Unexpected argument type for lowering");
+ SDValue StackPtr = DAG.CreateStackTemporary(ArgVT, 16);
+ Entry.Node = StackPtr;
+ InChain = DAG.getStore(InChain, dl, Op->getOperand(i), StackPtr, MachinePointerInfo(),
+ false, false, 16);
+ Type *ArgTy = ArgVT.getTypeForEVT(*DAG.getContext());
+ Entry.Ty = PointerType::get(ArgTy,0);
+ Entry.isSExt = false;
+ Entry.isZExt = false;
+ Args.push_back(Entry);
+ }
+
+ SDValue Callee = DAG.getExternalSymbol(getLibcallName(LC),
+ getPointerTy());
+
+ TargetLowering::CallLoweringInfo CLI(
+ InChain, static_cast<EVT>(MVT::v2i64).getTypeForEVT(*DAG.getContext()),
+ isSigned, !isSigned, false, true, 0, getLibcallCallingConv(LC),
+ /*isTailCall=*/false,
+ /*doesNotReturn=*/false, /*isReturnValueUsed=*/true, Callee, Args, DAG,
+ dl);
+ std::pair<SDValue, SDValue> CallInfo = LowerCallTo(CLI);
+
+ return DAG.getNode(ISD::BITCAST, dl, VT, CallInfo.first);
+}
+
static SDValue LowerMUL_LOHI(SDValue Op, const X86Subtarget *Subtarget,
SelectionDAG &DAG) {
SDValue Op0 = Op.getOperand(0), Op1 = Op.getOperand(1);
case ISD::SUBE:
// We don't want to expand or promote these.
return;
+ case ISD::SDIV:
+ case ISD::UDIV:
+ case ISD::SREM:
+ case ISD::UREM:
+ case ISD::SDIVREM:
+ case ISD::UDIVREM: {
+ SDValue V = LowerWin64_i128OP(SDValue(N,0), DAG);
+ Results.push_back(V);
+ return;
+ }
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT: {
bool IsSigned = N->getOpcode() == ISD::FP_TO_SINT;
--- /dev/null
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X86-64
+; RUN: llc < %s -mtriple=x86_64-cygwin | FileCheck %s -check-prefix=WIN64
+; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64
+; RUN: llc < %s -mtriple=x86_64-mingw32 | FileCheck %s -check-prefix=WIN64
+
+define i64 @mod128(i128 %x) {
+ ; X86-64: movl $3, %edx
+ ; X86-64: xorl %ecx, %ecx
+ ; X86-64: callq __modti3
+ ; X86-64-NOT: movd %xmm0, %rax
+
+ ; WIN64-NOT: movl $3, %r8d
+ ; WIN64-NOT: xorl %r9d, %r9d
+ ; WIN64-DAG: movq %rdx, 56(%rsp)
+ ; WIN64-DAG: movq %rcx, 48(%rsp)
+ ; WIN64-DAG: leaq 48(%rsp), %rcx
+ ; WIN64-DAG: leaq 32(%rsp), %rdx
+ ; WIN64-DAG: movq $0, 40(%rsp)
+ ; WIN64-DAG: movq $3, 32(%rsp)
+ ; WIN64: callq __modti3
+ ; WIN64: movd %xmm0, %rax
+
+ %1 = srem i128 %x, 3
+ %2 = trunc i128 %1 to i64
+ ret i64 %2
+}