setOperationAction(ISD::SRL, MVT::i64, Custom);
setOperationAction(ISD::SRA, MVT::i64, Custom);
+ if (!Subtarget->isThumb1Only()) {
+ // FIXME: We should do this for Thumb1 as well.
+ setOperationAction(ISD::ADDC, MVT::i32, Custom);
+ setOperationAction(ISD::ADDE, MVT::i32, Custom);
+ setOperationAction(ISD::SUBC, MVT::i32, Custom);
+ setOperationAction(ISD::SUBE, MVT::i32, Custom);
+ }
+
// ARM does not have ROTL.
setOperationAction(ISD::ROTL, MVT::i32, Expand);
setOperationAction(ISD::CTTZ, MVT::i32, Custom);
case ARMISD::SRA_FLAG: return "ARMISD::SRA_FLAG";
case ARMISD::RRX: return "ARMISD::RRX";
+ case ARMISD::ADDC: return "ARMISD::ADDC";
+ case ARMISD::ADDE: return "ARMISD::ADDE";
+ case ARMISD::SUBC: return "ARMISD::SUBC";
+ case ARMISD::SUBE: return "ARMISD::SUBE";
+
case ARMISD::VMOVRRD: return "ARMISD::VMOVRRD";
case ARMISD::VMOVDRR: return "ARMISD::VMOVDRR";
return N0;
}
+static SDValue LowerADDC_ADDE_SUBC_SUBE(SDValue Op, SelectionDAG &DAG) {
+ EVT VT = Op.getNode()->getValueType(0);
+ SDVTList VTs = DAG.getVTList(VT, MVT::i32);
+
+ unsigned Opc;
+ bool ExtraOp = false;
+ switch (Op.getOpcode()) {
+ default: assert(0 && "Invalid code");
+ case ISD::ADDC: Opc = ARMISD::ADDC; break;
+ case ISD::ADDE: Opc = ARMISD::ADDE; ExtraOp = true; break;
+ case ISD::SUBC: Opc = ARMISD::SUBC; break;
+ case ISD::SUBE: Opc = ARMISD::SUBE; ExtraOp = true; break;
+ }
+
+ if (!ExtraOp)
+ return DAG.getNode(Opc, Op->getDebugLoc(), VTs, Op.getOperand(0),
+ Op.getOperand(1));
+ return DAG.getNode(Opc, Op->getDebugLoc(), VTs, Op.getOperand(0),
+ Op.getOperand(1), Op.getOperand(2));
+}
+
SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
switch (Op.getOpcode()) {
default: llvm_unreachable("Don't know how to custom lower this!");
case ISD::MUL: return LowerMUL(Op, DAG);
case ISD::SDIV: return LowerSDIV(Op, DAG);
case ISD::UDIV: return LowerUDIV(Op, DAG);
+ case ISD::ADDC:
+ case ISD::ADDE:
+ case ISD::SUBC:
+ case ISD::SUBE: return LowerADDC_ADDE_SUBC_SUBE(Op, DAG);
}
return SDValue();
}
llvm_unreachable("Expecting a BB with two successors!");
}
-// FIXME: This opcode table should obviously be expressed in the target
-// description. We probably just need a "machine opcode" value in the pseudo
-// instruction. But the ideal solution maybe to simply remove the "S" version
-// of the opcode altogether.
-struct AddSubFlagsOpcodePair {
- unsigned PseudoOpc;
- unsigned MachineOpc;
-};
-
-static const AddSubFlagsOpcodePair AddSubFlagsOpcodeMap[] = {
- {ARM::ADCSri, ARM::ADCri},
- {ARM::ADCSrr, ARM::ADCrr},
- {ARM::ADCSrsi, ARM::ADCrsi},
- {ARM::ADCSrsr, ARM::ADCrsr},
- {ARM::SBCSri, ARM::SBCri},
- {ARM::SBCSrr, ARM::SBCrr},
- {ARM::SBCSrsi, ARM::SBCrsi},
- {ARM::SBCSrsr, ARM::SBCrsr},
- {ARM::RSBSri, ARM::RSBri},
- {ARM::RSBSrr, ARM::RSBrr},
- {ARM::RSBSrsi, ARM::RSBrsi},
- {ARM::RSBSrsr, ARM::RSBrsr},
- {ARM::RSCSri, ARM::RSCri},
- {ARM::RSCSrsi, ARM::RSCrsi},
- {ARM::RSCSrsr, ARM::RSCrsr},
- {ARM::t2ADCSri, ARM::t2ADCri},
- {ARM::t2ADCSrr, ARM::t2ADCrr},
- {ARM::t2ADCSrs, ARM::t2ADCrs},
- {ARM::t2SBCSri, ARM::t2SBCri},
- {ARM::t2SBCSrr, ARM::t2SBCrr},
- {ARM::t2SBCSrs, ARM::t2SBCrs},
- {ARM::t2RSBSri, ARM::t2RSBri},
- {ARM::t2RSBSrs, ARM::t2RSBrs},
-};
-
-// Convert and Add or Subtract with Carry and Flags to a generic opcode with
-// CPSR<def> operand. e.g. ADCS (...) -> ADC (... CPSR<def>).
-//
-// FIXME: Somewhere we should assert that CPSR<def> is in the correct
-// position to be recognized by the target descrition as the 'S' bit.
-bool ARMTargetLowering::RemapAddSubWithFlags(MachineInstr *MI,
- MachineBasicBlock *BB) const {
- unsigned OldOpc = MI->getOpcode();
- unsigned NewOpc = 0;
-
- // This is only called for instructions that need remapping, so iterating over
- // the tiny opcode table is not costly.
- static const int NPairs =
- sizeof(AddSubFlagsOpcodeMap) / sizeof(AddSubFlagsOpcodePair);
- for (const AddSubFlagsOpcodePair *Pair = &AddSubFlagsOpcodeMap[0],
- *End = &AddSubFlagsOpcodeMap[NPairs]; Pair != End; ++Pair) {
- if (OldOpc == Pair->PseudoOpc) {
- NewOpc = Pair->MachineOpc;
- break;
- }
- }
- if (!NewOpc)
- return false;
-
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
- DebugLoc dl = MI->getDebugLoc();
- MachineInstrBuilder MIB = BuildMI(*BB, MI, dl, TII->get(NewOpc));
- for (unsigned i = 0; i < MI->getNumOperands(); ++i)
- MIB.addOperand(MI->getOperand(i));
- AddDefaultPred(MIB);
- MIB.addReg(ARM::CPSR, RegState::Define); // S bit
- MI->eraseFromParent();
- return true;
-}
-
MachineBasicBlock *
ARMTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *BB) const {
bool isThumb2 = Subtarget->isThumb2();
switch (MI->getOpcode()) {
default: {
- if (RemapAddSubWithFlags(MI, BB))
- return BB;
-
MI->dump();
llvm_unreachable("Unexpected instr type to insert");
}
def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
+def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
+ [SDTCisSameAs<0, 2>,
+ SDTCisSameAs<0, 3>,
+ SDTCisInt<0>, SDTCisVT<1, i32>]>;
+
+// SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
+def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
+ [SDTCisSameAs<0, 2>,
+ SDTCisSameAs<0, 3>,
+ SDTCisInt<0>,
+ SDTCisVT<1, i32>,
+ SDTCisVT<4, i32>]>;
// Node definitions.
def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
+def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
+ [SDNPCommutative]>;
+def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
+def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
+def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
+
def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
let ParserMatchClass = Imm0_65535AsmOperand;
}
+class BinOpWithFlagFrag<dag res> :
+ PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
-/// adde and sube predicates - True based on whether the carry flag output
-/// will be needed or not.
-def adde_dead_carry :
- PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
- [{return !N->hasAnyUseOfValue(1);}]>;
-def sube_dead_carry :
- PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
- [{return !N->hasAnyUseOfValue(1);}]>;
-def adde_live_carry :
- PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
- [{return N->hasAnyUseOfValue(1);}]>;
-def sube_live_carry :
- PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
- [{return N->hasAnyUseOfValue(1);}]>;
-
// An 'and' node with a single use.
def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
return N->hasOneUse();
}
+/// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
+/// reversed. The 'rr' form is only defined for the disassembler; for codegen
+/// it is equivalent to the AsI1_bin_irs counterpart.
+multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, string baseOpc, bit Commutable = 0> {
+ // The register-immediate version is re-materializable. This is useful
+ // in particular for taking the address of a local.
+ let isReMaterializable = 1 in {
+ def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
+ iii, opc, "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm;
+ }
+ }
+ def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
+ iir, opc, "\t$Rd, $Rn, $Rm",
+ [/* pattern left blank */]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ let Inst{11-4} = 0b00000000;
+ let Inst{25} = 0;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ }
+
+ def rsi : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
+ }
+
+ def rsr : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
+ }
+
+ // Assembly aliases for optional destination operand when it's the same
+ // as the source operand.
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
+ so_imm:$imm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
+ GPR:$Rm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_imm:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_reg:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+
+}
+
+/// AsI1_rbin_s_is - Same as AsI1_rbin_s_is except sets 's' bit.
+let isCodeGenOnly = 1, Defs = [CPSR] in {
+multiclass AsI1_rbin_s_is<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, bit Commutable = 0> {
+ def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
+ iii, opc, "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm;
+ }
+
+ def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
+ iir, opc, "\t$Rd, $Rn, $Rm",
+ [/* pattern left blank */]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ let Inst{11-4} = 0b00000000;
+ let Inst{25} = 0;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ }
+
+ def rsi : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
+ }
+
+ def rsr : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
+ }
+}
+}
+
/// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
/// instruction modifies the CPSR register.
let isCodeGenOnly = 1, Defs = [CPSR] in {
PatFrag opnode, bit Commutable = 0> {
def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
iii, opc, "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]> {
bits<4> Rd;
bits<4> Rn;
bits<12> imm;
}
def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
iir, opc, "\t$Rd, $Rn, $Rm",
- [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]> {
bits<4> Rd;
bits<4> Rn;
bits<4> Rm;
def rsi : AI1<opcod, (outs GPR:$Rd),
(ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{3-0} = shift{3-0};
}
- def rsr : AI1<opcod, (outs GPR:$Rd),
+ def rsr : AI1<opcod, (outs GPR:$Rd),
(ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
/// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
string baseOpc, bit Commutable = 0> {
- let Uses = [CPSR] in {
+ let Defs = [CPSR], Uses = [CPSR] in {
def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
}
def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
- [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
def rsi : AsI1<opcod, (outs GPR:$Rd),
(ins GPR:$Rn, so_reg_imm:$shift),
DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
def rsr : AsI1<opcod, (outs GPR:$Rd),
(ins GPR:$Rn, so_reg_reg:$shift),
DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift, CPSR))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
let Inst{3-0} = shift{3-0};
}
}
+
// Assembly aliases for optional destination operand when it's the same
// as the source operand.
def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
Requires<[IsARM]>;
}
-// Carry setting variants
-// NOTE: CPSR def omitted because it will be handled by the custom inserter.
-let usesCustomInserter = 1 in {
-multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
- def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- 4, IIC_iALUi,
- [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
- def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
- 4, IIC_iALUr,
- [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
- let isCommutable = Commutable;
+/// AI1_rsc_irs - Define instructions and patterns for rsc
+multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode,
+ string baseOpc> {
+ let Defs = [CPSR], Uses = [CPSR] in {
+ def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
+ Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = imm;
}
- def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
- 4, IIC_iALUsr,
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
- def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
- 4, IIC_iALUsr,
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
-}
+ def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
+ [/* pattern left blank */]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ let Inst{11-4} = 0b00000000;
+ let Inst{25} = 0;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ }
+ def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
+ DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
+ Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
+ }
+ def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
+ DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
+ Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
+ }
+ }
+
+ // Assembly aliases for optional destination operand when it's the same
+ // as the source operand.
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
+ so_imm:$imm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
+ GPR:$Rm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_imm:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_reg:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
}
let canFoldAsLoad = 1, isReMaterializable = 1 in {
// ADD and SUB with 's' bit set.
defm ADDS : AI1_bin_s_irs<0b0100, "adds",
IIC_iALUi, IIC_iALUr, IIC_iALUsr,
- BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
defm SUBS : AI1_bin_s_irs<0b0010, "subs",
IIC_iALUi, IIC_iALUr, IIC_iALUsr,
- BinOpFrag<(subc node:$LHS, node:$RHS)>>;
+ BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
defm ADC : AI1_adde_sube_irs<0b0101, "adc",
- BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
+ BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>,
"ADC", 1>;
defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
- BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
+ BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
"SBC">;
-// ADC and SUBC with 's' bit set.
-let usesCustomInserter = 1 in {
-defm ADCS : AI1_adde_sube_s_irs<
- BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
-defm SBCS : AI1_adde_sube_s_irs<
- BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
-}
-
-def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
- IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{11-0} = imm;
-}
-
-def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
- IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm", []> {
- bits<4> Rd;
- bits<4> Rn;
- bits<4> Rm;
- let Inst{11-4} = 0b00000000;
- let Inst{25} = 0;
- let Inst{3-0} = Rm;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
-}
-
-def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
- DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{19-16} = Rn;
- let Inst{15-12} = Rd;
- let Inst{11-5} = shift{11-5};
- let Inst{4} = 0;
- let Inst{3-0} = shift{3-0};
-}
-
-def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
- DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{19-16} = Rn;
- let Inst{15-12} = Rd;
- let Inst{11-8} = shift{11-8};
- let Inst{7} = 0;
- let Inst{6-5} = shift{6-5};
- let Inst{4} = 1;
- let Inst{3-0} = shift{3-0};
-}
-
-// RSB with 's' bit set.
-// NOTE: CPSR def omitted because it will be handled by the custom inserter.
-let usesCustomInserter = 1 in {
-def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- 4, IIC_iALUi,
- [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
-def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
- 4, IIC_iALUr, []>;
-def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
- 4, IIC_iALUsr,
- [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
-def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
- 4, IIC_iALUsr,
- [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
-}
-
-let Uses = [CPSR] in {
-def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{11-0} = imm;
-}
-def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
- DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm", []> {
- bits<4> Rd;
- bits<4> Rn;
- bits<4> Rm;
- let Inst{11-4} = 0b00000000;
- let Inst{25} = 0;
- let Inst{3-0} = Rm;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
-}
-def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
- DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{19-16} = Rn;
- let Inst{15-12} = Rd;
- let Inst{11-5} = shift{11-5};
- let Inst{4} = 0;
- let Inst{3-0} = shift{3-0};
-}
-def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
- DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{19-16} = Rn;
- let Inst{15-12} = Rd;
- let Inst{11-8} = shift{11-8};
- let Inst{7} = 0;
- let Inst{6-5} = shift{6-5};
- let Inst{4} = 1;
- let Inst{3-0} = shift{3-0};
-}
-}
-
+defm RSB : AsI1_rbin_irs <0b0011, "rsb",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
+ BinOpFrag<(sub node:$LHS, node:$RHS)>, "RSB">;
+defm RSBS : AsI1_rbin_s_is<0b0011, "rsb",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
+ BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
-// NOTE: CPSR def omitted because it will be handled by the custom inserter.
-let usesCustomInserter = 1, Uses = [CPSR] in {
-def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- 4, IIC_iALUi,
- [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
-def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
- 4, IIC_iALUsr,
- [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
-def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
- 4, IIC_iALUsr,
- [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
-}
+defm RSC : AI1_rsc_irs<0b0111, "rsc",
+ BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
+ "RSC">;
// (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
// The assume-no-carry-in form uses the negation of the input since add/sub
// assume opposite meanings of the carry flag (i.e., carry == !borrow).
// See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
// details.
-def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
- (SUBri GPR:$src, so_imm_neg:$imm)>;
-def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
- (SUBSri GPR:$src, so_imm_neg:$imm)>;
+def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
+ (SUBri GPR:$src, so_imm_neg:$imm)>;
+def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
+ (SUBSri GPR:$src, so_imm_neg:$imm)>;
+
// The with-carry-in form matches bitwise not instead of the negation.
// Effectively, the inverse interpretation of the carry flag already accounts
// for part of the negation.
-def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
- (SBCri GPR:$src, so_imm_not:$imm)>;
-def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
- (SBCSri GPR:$src, so_imm_not:$imm)>;
+def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
+ (SBCri GPR:$src, so_imm_not:$imm)>;
// Note: These are implemented in C++ code, because they have to generate
// ADD/SUBrs instructions, which use a complex pattern that a xform function
def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
-// RSB two-operand forms (optional explicit destination operand)
-def : ARMInstAlias<"rsb${s}${p} $Rdn, $imm",
- (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>;
-def : ARMInstAlias<"rsb${s}${p} $Rdn, $Rm",
- (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>;
-def : ARMInstAlias<"rsb${s}${p} $Rdn, $shift",
- (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
- cc_out:$s)>;
-def : ARMInstAlias<"rsb${s}${p} $Rdn, $shift",
- (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
- cc_out:$s)>;
-// RSC two-operand forms (optional explicit destination operand)
-def : ARMInstAlias<"rsc${s}${p} $Rdn, $imm",
- (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>;
-def : ARMInstAlias<"rsc${s}${p} $Rdn, $Rm",
- (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>;
-def : ARMInstAlias<"rsc${s}${p} $Rdn, $shift",
- (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
- cc_out:$s)>;
-def : ARMInstAlias<"rsc${s}${p} $Rdn, $shift",
- (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
- cc_out:$s)>;
-
// SSAT/USAT optional shift operand.
def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
(SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
def ri : T2TwoRegImm<
(outs rGPR:$Rd), (ins GPR:$Rn, t2_so_imm:$imm), iii,
!strconcat(opc, "s"), ".w\t$Rd, $Rn, $imm",
- [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_imm:$imm))]> {
+ [(set rGPR:$Rd, CPSR, (opnode GPR:$Rn, t2_so_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
def rr : T2ThreeReg<
(outs rGPR:$Rd), (ins GPR:$Rn, rGPR:$Rm), iir,
!strconcat(opc, "s"), ".w\t$Rd, $Rn, $Rm",
- [(set rGPR:$Rd, (opnode GPR:$Rn, rGPR:$Rm))]> {
+ [(set rGPR:$Rd, CPSR, (opnode GPR:$Rn, rGPR:$Rm))]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
def rs : T2TwoRegShiftedReg<
(outs rGPR:$Rd), (ins GPR:$Rn, t2_so_reg:$ShiftedRm), iis,
!strconcat(opc, "s"), ".w\t$Rd, $Rn, $ShiftedRm",
- [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_reg:$ShiftedRm))]> {
+ [(set rGPR:$Rd, CPSR, (opnode GPR:$Rn, t2_so_reg:$ShiftedRm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
/// T2I_adde_sube_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns
/// for a binary operation that produces a value and use the carry
/// bit. It's not predicable.
-let Uses = [CPSR] in {
+let Defs = [CPSR], Uses = [CPSR] in {
multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
// shifted imm
def ri : T2sTwoRegImm<(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm),
IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
- [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]>,
+ [(set rGPR:$Rd, CPSR, (opnode rGPR:$Rn, t2_so_imm:$imm, CPSR))]>,
Requires<[IsThumb2]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
// register
def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr,
opc, ".w\t$Rd, $Rn, $Rm",
- [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>,
+ [(set rGPR:$Rd, CPSR, (opnode rGPR:$Rn, rGPR:$Rm, CPSR))]>,
Requires<[IsThumb2]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
def rs : T2sTwoRegShiftedReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm",
- [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]>,
+ [(set rGPR:$Rd, CPSR, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm, CPSR))]>,
Requires<[IsThumb2]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
}
}
-// Carry setting variants
-// NOTE: CPSR def omitted because it will be handled by the custom inserter.
-let usesCustomInserter = 1 in {
-multiclass T2I_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
- // shifted imm
- def ri : t2PseudoInst<(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm),
- 4, IIC_iALUi,
- [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]>;
- // register
- def rr : t2PseudoInst<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm),
- 4, IIC_iALUr,
- [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]> {
- let isCommutable = Commutable;
- }
- // shifted register
- def rs : t2PseudoInst<
- (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
- 4, IIC_iALUsi,
- [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]>;
-}
-}
-
/// T2I_rbin_s_is - Same as T2I_rbin_irs except sets 's' bit and the register
/// version is not needed since this is only for codegen.
let isCodeGenOnly = 1, Defs = [CPSR] in {
def ri : T2TwoRegImm<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi,
!strconcat(opc, "s"), ".w\t$Rd, $Rn, $imm",
- [(set rGPR:$Rd, (opnode t2_so_imm:$imm, rGPR:$Rn))]> {
+ [(set rGPR:$Rd, CPSR, (opnode t2_so_imm:$imm, rGPR:$Rn))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
def rs : T2TwoRegShiftedReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
IIC_iALUsi, !strconcat(opc, "s"), "\t$Rd, $Rn, $ShiftedRm",
- [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]> {
+ [(set rGPR:$Rd, CPSR, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
// ADD and SUB with 's' bit set. No 12-bit immediate (T4) variants.
defm t2ADDS : T2I_bin_s_irs <0b1000, "add",
IIC_iALUi, IIC_iALUr, IIC_iALUsi,
- BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
defm t2SUBS : T2I_bin_s_irs <0b1101, "sub",
IIC_iALUi, IIC_iALUr, IIC_iALUsi,
- BinOpFrag<(subc node:$LHS, node:$RHS)>>;
+ BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
defm t2ADC : T2I_adde_sube_irs<0b1010, "adc",
- BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
+ BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
defm t2SBC : T2I_adde_sube_irs<0b1011, "sbc",
- BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
-defm t2ADCS : T2I_adde_sube_s_irs<BinOpFrag<(adde_live_carry node:$LHS,
- node:$RHS)>, 1>;
-defm t2SBCS : T2I_adde_sube_s_irs<BinOpFrag<(sube_live_carry node:$LHS,
- node:$RHS)>>;
+ BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
// RSB
defm t2RSB : T2I_rbin_irs <0b1110, "rsb",
BinOpFrag<(sub node:$LHS, node:$RHS)>>;
defm t2RSBS : T2I_rbin_s_is <0b1110, "rsb",
- BinOpFrag<(subc node:$LHS, node:$RHS)>>;
+ BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
// (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
// The assume-no-carry-in form uses the negation of the input since add/sub
def : T2Pat<(add GPR:$src, imm0_4095_neg:$imm),
(t2SUBri12 GPR:$src, imm0_4095_neg:$imm)>;
let AddedComplexity = 1 in
-def : T2Pat<(addc rGPR:$src, imm0_255_neg:$imm),
+def : T2Pat<(ARMaddc rGPR:$src, imm0_255_neg:$imm),
(t2SUBSri rGPR:$src, imm0_255_neg:$imm)>;
-def : T2Pat<(addc rGPR:$src, t2_so_imm_neg:$imm),
+def : T2Pat<(ARMaddc rGPR:$src, t2_so_imm_neg:$imm),
(t2SUBSri rGPR:$src, t2_so_imm_neg:$imm)>;
// The with-carry-in form matches bitwise not instead of the negation.
// Effectively, the inverse interpretation of the carry flag already accounts
// for part of the negation.
let AddedComplexity = 1 in
-def : T2Pat<(adde_dead_carry rGPR:$src, imm0_255_not:$imm),
+def : T2Pat<(ARMadde rGPR:$src, imm0_255_not:$imm, CPSR),
(t2SBCri rGPR:$src, imm0_255_not:$imm)>;
-def : T2Pat<(adde_dead_carry rGPR:$src, t2_so_imm_not:$imm),
+def : T2Pat<(ARMadde rGPR:$src, t2_so_imm_not:$imm, CPSR),
(t2SBCri rGPR:$src, t2_so_imm_not:$imm)>;
-let AddedComplexity = 1 in
-def : T2Pat<(adde_live_carry rGPR:$src, imm0_255_not:$imm),
- (t2SBCSri rGPR:$src, imm0_255_not:$imm)>;
-def : T2Pat<(adde_live_carry rGPR:$src, t2_so_imm_not:$imm),
- (t2SBCSri rGPR:$src, t2_so_imm_not:$imm)>;
// Select Bytes -- for disassembly only
projects / oota-llvm.git / commitdiff