setLibcallCallingConv(RTLIB::UDIV_I8, CallingConv::ARM_AAPCS);
setLibcallCallingConv(RTLIB::UDIV_I16, CallingConv::ARM_AAPCS);
setLibcallCallingConv(RTLIB::UDIV_I32, CallingConv::ARM_AAPCS);
+
+ // Memory operations
+ // RTABI chapter 4.3.4
+ setLibcallName(RTLIB::MEMCPY, "__aeabi_memcpy");
+ setLibcallName(RTLIB::MEMMOVE, "__aeabi_memmove");
+ setLibcallName(RTLIB::MEMSET, "__aeabi_memset");
}
if (Subtarget->isThumb1Only())
setOperationAction(ISD::EH_SJLJ_SETJMP, MVT::i32, Custom);
setOperationAction(ISD::EH_SJLJ_LONGJMP, MVT::Other, Custom);
setOperationAction(ISD::EH_SJLJ_DISPATCHSETUP, MVT::Other, Custom);
+ setLibcallName(RTLIB::UNWIND_RESUME, "_Unwind_SjLj_Resume");
}
setOperationAction(ISD::SETCC, MVT::i32, Expand);
MachineFunction &MF = DAG.getMachineFunction();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- if (Subtarget->useMovt()) {
+ // FIXME: Enable this for static codegen when tool issues are fixed.
+ if (Subtarget->useMovt() && RelocM != Reloc::Static) {
++NumMovwMovt;
// FIXME: Once remat is capable of dealing with instructions with register
// operands, expand this into two nodes.
default: llvm_unreachable("Unknown shuffle opcode!");
case OP_VREV:
// VREV divides the vector in half and swaps within the half.
- if (VT.getVectorElementType() == MVT::i32)
+ if (VT.getVectorElementType() == MVT::i32 ||
+ VT.getVectorElementType() == MVT::f32)
return DAG.getNode(ARMISD::VREV64, dl, VT, OpLHS);
// vrev <4 x i16> -> VREV32
if (VT.getVectorElementType() == MVT::i16)
// Because short has a smaller range than ushort, we can actually get away
// with only a single newton step. This requires that we use a weird bias
// of 89, however (again, this has been exhaustively tested).
- // float4 result = as_float4(as_int4(xf*recip) + 89);
+ // float4 result = as_float4(as_int4(xf*recip) + 0x89);
N0 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N0, N2);
N0 = DAG.getNode(ISD::BITCAST, dl, MVT::v4i32, N0);
- N1 = DAG.getConstant(89, MVT::i32);
+ N1 = DAG.getConstant(0x89, MVT::i32);
N1 = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, N1, N1, N1, N1);
N0 = DAG.getNode(ISD::ADD, dl, MVT::v4i32, N0, N1);
N0 = DAG.getNode(ISD::BITCAST, dl, MVT::v4f32, N0);
N0 = DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::v4i32, N0);
N1 = DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::v4i32, N1);
N0 = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::v4f32, N0);
- N1 = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::v4f32, N1);
+ SDValue BN1 = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::v4f32, N1);
// Use reciprocal estimate and two refinement steps.
// float4 recip = vrecpeq_f32(yf);
// recip *= vrecpsq_f32(yf, recip);
// recip *= vrecpsq_f32(yf, recip);
N2 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
- DAG.getConstant(Intrinsic::arm_neon_vrecpe, MVT::i32), N1);
+ DAG.getConstant(Intrinsic::arm_neon_vrecpe, MVT::i32), BN1);
N1 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
DAG.getConstant(Intrinsic::arm_neon_vrecps, MVT::i32),
- N1, N2);
+ BN1, N2);
N2 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N1, N2);
N1 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f32,
DAG.getConstant(Intrinsic::arm_neon_vrecps, MVT::i32),
- N1, N2);
+ BN1, N2);
N2 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N1, N2);
// Simply multiplying by the reciprocal estimate can leave us a few ulps
// too low, so we add 2 ulps (exhaustive testing shows that this is enough,
// and that it will never cause us to return an answer too large).
- // float4 result = as_float4(as_int4(xf*recip) + 89);
+ // float4 result = as_float4(as_int4(xf*recip) + 2);
N0 = DAG.getNode(ISD::FMUL, dl, MVT::v4f32, N0, N2);
N0 = DAG.getNode(ISD::BITCAST, dl, MVT::v4i32, N0);
N1 = DAG.getConstant(2, MVT::i32);
unsigned ptr = MI->getOperand(1).getReg();
unsigned incr = MI->getOperand(2).getReg();
DebugLoc dl = MI->getDebugLoc();
-
bool isThumb2 = Subtarget->isThumb2();
+
+ MachineRegisterInfo &MRI = BB->getParent()->getRegInfo();
+ if (isThumb2) {
+ MRI.constrainRegClass(dest, ARM::rGPRRegisterClass);
+ MRI.constrainRegClass(ptr, ARM::rGPRRegisterClass);
+ }
+
unsigned ldrOpc, strOpc;
switch (Size) {
default: llvm_unreachable("unsupported size for AtomicCmpSwap!");
BB->end());
exitMBB->transferSuccessorsAndUpdatePHIs(BB);
- MachineRegisterInfo &RegInfo = MF->getRegInfo();
- unsigned scratch = RegInfo.createVirtualRegister(ARM::GPRRegisterClass);
- unsigned scratch2 = (!BinOpcode) ? incr :
- RegInfo.createVirtualRegister(ARM::GPRRegisterClass);
+ TargetRegisterClass *TRC =
+ isThumb2 ? ARM::tGPRRegisterClass : ARM::GPRRegisterClass;
+ unsigned scratch = MRI.createVirtualRegister(TRC);
+ unsigned scratch2 = (!BinOpcode) ? incr : MRI.createVirtualRegister(TRC);
// thisMBB:
// ...
unsigned incr = MI->getOperand(2).getReg();
unsigned oldval = dest;
DebugLoc dl = MI->getDebugLoc();
-
bool isThumb2 = Subtarget->isThumb2();
+
+ MachineRegisterInfo &MRI = BB->getParent()->getRegInfo();
+ if (isThumb2) {
+ MRI.constrainRegClass(dest, ARM::rGPRRegisterClass);
+ MRI.constrainRegClass(ptr, ARM::rGPRRegisterClass);
+ }
+
unsigned ldrOpc, strOpc, extendOpc;
switch (Size) {
default: llvm_unreachable("unsupported size for AtomicCmpSwap!");
BB->end());
exitMBB->transferSuccessorsAndUpdatePHIs(BB);
- MachineRegisterInfo &RegInfo = MF->getRegInfo();
- unsigned scratch = RegInfo.createVirtualRegister(ARM::GPRRegisterClass);
- unsigned scratch2 = RegInfo.createVirtualRegister(ARM::GPRRegisterClass);
+ TargetRegisterClass *TRC =
+ isThumb2 ? ARM::tGPRRegisterClass : ARM::GPRRegisterClass;
+ unsigned scratch = MRI.createVirtualRegister(TRC);
+ unsigned scratch2 = MRI.createVirtualRegister(TRC);
// thisMBB:
// ...
// Sign extend the value, if necessary.
if (signExtend && extendOpc) {
- oldval = RegInfo.createVirtualRegister(ARM::GPRRegisterClass);
+ oldval = MRI.createVirtualRegister(ARM::GPRRegisterClass);
AddDefaultPred(BuildMI(BB, dl, TII->get(extendOpc), oldval).addReg(dest));
}
case 'l': return C_RegisterClass;
case 'w': return C_RegisterClass;
}
+ } else {
+ if (Constraint == "Uv")
+ return C_Memory;
}
return TargetLowering::getConstraintType(Constraint);
}
/// LowerAsmOperandForConstraint - Lower the specified operand into the Ops
/// vector. If it is invalid, don't add anything to Ops.
void ARMTargetLowering::LowerAsmOperandForConstraint(SDValue Op,
- char Constraint,
+ std::string &Constraint,
std::vector<SDValue>&Ops,
SelectionDAG &DAG) const {
SDValue Result(0, 0);
- switch (Constraint) {
+ // Currently only support length 1 constraints.
+ if (Constraint.length() != 1) return;
+
+ char ConstraintLetter = Constraint[0];
+ switch (ConstraintLetter) {
default: break;
case 'I': case 'J': case 'K': case 'L':
case 'M': case 'N': case 'O':
if (CVal != CVal64)
return;
- switch (Constraint) {
+ switch (ConstraintLetter) {
case 'I':
if (Subtarget->isThumb1Only()) {
// This must be a constant between 0 and 255, for ADD
Info.writeMem = true;
return true;
}
+ case Intrinsic::arm_strexd: {
+ Info.opc = ISD::INTRINSIC_W_CHAIN;
+ Info.memVT = MVT::i64;
+ Info.ptrVal = I.getArgOperand(2);
+ Info.offset = 0;
+ Info.align = 8;
+ Info.vol = false;
+ Info.readMem = false;
+ Info.writeMem = true;
+ return true;
+ }
+ case Intrinsic::arm_ldrexd: {
+ Info.opc = ISD::INTRINSIC_W_CHAIN;
+ Info.memVT = MVT::i64;
+ Info.ptrVal = I.getArgOperand(0);
+ Info.offset = 0;
+ Info.align = 8;
+ Info.vol = false;
+ Info.readMem = true;
+ Info.writeMem = false;
+ return true;
+ }
default:
break;
}
projects / oota-llvm.git / blobdiff