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-rw-r--r--lib/Target/ARM/ARMExpandPseudoInsts.cpp32
-rw-r--r--lib/Target/ARM/ARMISelDAGToDAG.cpp222
-rw-r--r--lib/Target/ARM/ARMInstrFormats.td10
-rw-r--r--lib/Target/ARM/ARMInstrInfo.td55
-rw-r--r--lib/Target/ARM/ARMInstrThumb.td6
-rw-r--r--lib/Target/ARM/ARMInstrThumb2.td118
-rw-r--r--lib/Target/ARM/ARMInstrVFP.td20
7 files changed, 137 insertions, 326 deletions
diff --git a/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index beb843c..cedfc6d 100644
--- a/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -727,7 +727,6 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
MI.eraseFromParent();
return true;
}
-
case ARM::MOVCCsr: {
BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsr),
(MI.getOperand(1).getReg()))
@@ -743,13 +742,14 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
MI.eraseFromParent();
return true;
}
+ case ARM::t2MOVCCi16:
case ARM::MOVCCi16: {
- BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVi16),
+ unsigned NewOpc = AFI->isThumbFunction() ? ARM::t2MOVi16 : ARM::MOVi16;
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc),
MI.getOperand(1).getReg())
.addImm(MI.getOperand(2).getImm())
.addImm(MI.getOperand(3).getImm()) // 'pred'
.addReg(MI.getOperand(4).getReg());
-
MI.eraseFromParent();
return true;
}
@@ -766,8 +766,10 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
MI.eraseFromParent();
return true;
}
+ case ARM::t2MVNCCi:
case ARM::MVNCCi: {
- BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MVNi),
+ unsigned Opc = AFI->isThumbFunction() ? ARM::t2MVNi : ARM::MVNi;
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc),
MI.getOperand(1).getReg())
.addImm(MI.getOperand(2).getImm())
.addImm(MI.getOperand(3).getImm()) // 'pred'
@@ -777,6 +779,28 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
MI.eraseFromParent();
return true;
}
+ case ARM::t2MOVCClsl:
+ case ARM::t2MOVCClsr:
+ case ARM::t2MOVCCasr:
+ case ARM::t2MOVCCror: {
+ unsigned NewOpc;
+ switch (Opcode) {
+ case ARM::t2MOVCClsl: NewOpc = ARM::t2LSLri; break;
+ case ARM::t2MOVCClsr: NewOpc = ARM::t2LSRri; break;
+ case ARM::t2MOVCCasr: NewOpc = ARM::t2ASRri; break;
+ case ARM::t2MOVCCror: NewOpc = ARM::t2RORri; break;
+ default: llvm_unreachable("unexpeced conditional move");
+ }
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc),
+ MI.getOperand(1).getReg())
+ .addReg(MI.getOperand(2).getReg())
+ .addImm(MI.getOperand(3).getImm())
+ .addImm(MI.getOperand(4).getImm()) // 'pred'
+ .addReg(MI.getOperand(5).getReg())
+ .addReg(0); // 's' bit
+ MI.eraseFromParent();
+ return true;
+ }
case ARM::Int_eh_sjlj_dispatchsetup: {
MachineFunction &MF = *MI.getParent()->getParent();
const ARMBaseInstrInfo *AII =
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 3298b73..c2dbcb9 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -130,6 +130,13 @@ public:
return true;
}
+ bool SelectCMOVPred(SDValue N, SDValue &Pred, SDValue &Reg) {
+ const ConstantSDNode *CN = cast<ConstantSDNode>(N);
+ Pred = CurDAG->getTargetConstant(CN->getZExtValue(), MVT::i32);
+ Reg = CurDAG->getRegister(ARM::CPSR, MVT::i32);
+ return true;
+ }
+
bool SelectAddrMode2OffsetReg(SDNode *Op, SDValue N,
SDValue &Offset, SDValue &Opc);
bool SelectAddrMode2OffsetImm(SDNode *Op, SDValue N,
@@ -239,21 +246,6 @@ private:
/// SelectV6T2BitfieldExtractOp - Select SBFX/UBFX instructions for ARM.
SDNode *SelectV6T2BitfieldExtractOp(SDNode *N, bool isSigned);
- /// SelectCMOVOp - Select CMOV instructions for ARM.
- SDNode *SelectCMOVOp(SDNode *N);
- SDNode *SelectT2CMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR,
- SDValue InFlag);
- SDNode *SelectARMCMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR,
- SDValue InFlag);
- SDNode *SelectT2CMOVImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR,
- SDValue InFlag);
- SDNode *SelectARMCMOVImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR,
- SDValue InFlag);
-
// Select special operations if node forms integer ABS pattern
SDNode *SelectABSOp(SDNode *N);
@@ -2321,204 +2313,6 @@ SDNode *ARMDAGToDAGISel::SelectV6T2BitfieldExtractOp(SDNode *N,
return NULL;
}
-SDNode *ARMDAGToDAGISel::
-SelectT2CMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
- SDValue CPTmp0;
- SDValue CPTmp1;
- if (SelectT2ShifterOperandReg(TrueVal, CPTmp0, CPTmp1)) {
- unsigned SOVal = cast<ConstantSDNode>(CPTmp1)->getZExtValue();
- unsigned SOShOp = ARM_AM::getSORegShOp(SOVal);
- unsigned Opc = 0;
- switch (SOShOp) {
- case ARM_AM::lsl: Opc = ARM::t2MOVCClsl; break;
- case ARM_AM::lsr: Opc = ARM::t2MOVCClsr; break;
- case ARM_AM::asr: Opc = ARM::t2MOVCCasr; break;
- case ARM_AM::ror: Opc = ARM::t2MOVCCror; break;
- default:
- llvm_unreachable("Unknown so_reg opcode!");
- }
- SDValue SOShImm =
- CurDAG->getTargetConstant(ARM_AM::getSORegOffset(SOVal), MVT::i32);
- SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
- SDValue Ops[] = { FalseVal, CPTmp0, SOShImm, CC, CCR, InFlag };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32,Ops, 6);
- }
- return 0;
-}
-
-SDNode *ARMDAGToDAGISel::
-SelectARMCMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
- SDValue CPTmp0;
- SDValue CPTmp1;
- SDValue CPTmp2;
- if (SelectImmShifterOperand(TrueVal, CPTmp0, CPTmp2)) {
- SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
- SDValue Ops[] = { FalseVal, CPTmp0, CPTmp2, CC, CCR, InFlag };
- return CurDAG->SelectNodeTo(N, ARM::MOVCCsi, MVT::i32, Ops, 6);
- }
-
- if (SelectRegShifterOperand(TrueVal, CPTmp0, CPTmp1, CPTmp2)) {
- SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
- SDValue Ops[] = { FalseVal, CPTmp0, CPTmp1, CPTmp2, CC, CCR, InFlag };
- return CurDAG->SelectNodeTo(N, ARM::MOVCCsr, MVT::i32, Ops, 7);
- }
- return 0;
-}
-
-SDNode *ARMDAGToDAGISel::
-SelectT2CMOVImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
- ConstantSDNode *T = dyn_cast<ConstantSDNode>(TrueVal);
- if (!T)
- return 0;
-
- unsigned Opc = 0;
- unsigned TrueImm = T->getZExtValue();
- if (is_t2_so_imm(TrueImm)) {
- Opc = ARM::t2MOVCCi;
- } else if (TrueImm <= 0xffff) {
- Opc = ARM::t2MOVCCi16;
- } else if (is_t2_so_imm_not(TrueImm)) {
- TrueImm = ~TrueImm;
- Opc = ARM::t2MVNCCi;
- } else if (TrueVal.getNode()->hasOneUse() && Subtarget->hasV6T2Ops()) {
- // Large immediate.
- Opc = ARM::t2MOVCCi32imm;
- }
-
- if (Opc) {
- SDValue True = CurDAG->getTargetConstant(TrueImm, MVT::i32);
- SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
- SDValue Ops[] = { FalseVal, True, CC, CCR, InFlag };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 5);
- }
-
- return 0;
-}
-
-SDNode *ARMDAGToDAGISel::
-SelectARMCMOVImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
- ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
- ConstantSDNode *T = dyn_cast<ConstantSDNode>(TrueVal);
- if (!T)
- return 0;
-
- unsigned Opc = 0;
- unsigned TrueImm = T->getZExtValue();
- bool isSoImm = is_so_imm(TrueImm);
- if (isSoImm) {
- Opc = ARM::MOVCCi;
- } else if (Subtarget->hasV6T2Ops() && TrueImm <= 0xffff) {
- Opc = ARM::MOVCCi16;
- } else if (is_so_imm_not(TrueImm)) {
- TrueImm = ~TrueImm;
- Opc = ARM::MVNCCi;
- } else if (TrueVal.getNode()->hasOneUse() &&
- (Subtarget->hasV6T2Ops() || ARM_AM::isSOImmTwoPartVal(TrueImm))) {
- // Large immediate.
- Opc = ARM::MOVCCi32imm;
- }
-
- if (Opc) {
- SDValue True = CurDAG->getTargetConstant(TrueImm, MVT::i32);
- SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
- SDValue Ops[] = { FalseVal, True, CC, CCR, InFlag };
- return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 5);
- }
-
- return 0;
-}
-
-SDNode *ARMDAGToDAGISel::SelectCMOVOp(SDNode *N) {
- EVT VT = N->getValueType(0);
- SDValue FalseVal = N->getOperand(0);
- SDValue TrueVal = N->getOperand(1);
- SDValue CC = N->getOperand(2);
- SDValue CCR = N->getOperand(3);
- SDValue InFlag = N->getOperand(4);
- assert(CC.getOpcode() == ISD::Constant);
- assert(CCR.getOpcode() == ISD::Register);
- ARMCC::CondCodes CCVal =
- (ARMCC::CondCodes)cast<ConstantSDNode>(CC)->getZExtValue();
-
- if (!Subtarget->isThumb1Only() && VT == MVT::i32) {
- // Pattern: (ARMcmov:i32 GPR:i32:$false, so_reg:i32:$true, (imm:i32):$cc)
- // Emits: (MOVCCs:i32 GPR:i32:$false, so_reg:i32:$true, (imm:i32):$cc)
- // Pattern complexity = 18 cost = 1 size = 0
- if (Subtarget->isThumb()) {
- SDNode *Res = SelectT2CMOVShiftOp(N, FalseVal, TrueVal,
- CCVal, CCR, InFlag);
- if (!Res)
- Res = SelectT2CMOVShiftOp(N, TrueVal, FalseVal,
- ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
- if (Res)
- return Res;
- } else {
- SDNode *Res = SelectARMCMOVShiftOp(N, FalseVal, TrueVal,
- CCVal, CCR, InFlag);
- if (!Res)
- Res = SelectARMCMOVShiftOp(N, TrueVal, FalseVal,
- ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
- if (Res)
- return Res;
- }
-
- // Pattern: (ARMcmov:i32 GPR:i32:$false,
- // (imm:i32)<<P:Pred_so_imm>>:$true,
- // (imm:i32):$cc)
- // Emits: (MOVCCi:i32 GPR:i32:$false,
- // (so_imm:i32 (imm:i32):$true), (imm:i32):$cc)
- // Pattern complexity = 10 cost = 1 size = 0
- if (Subtarget->isThumb()) {
- SDNode *Res = SelectT2CMOVImmOp(N, FalseVal, TrueVal,
- CCVal, CCR, InFlag);
- if (!Res)
- Res = SelectT2CMOVImmOp(N, TrueVal, FalseVal,
- ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
- if (Res)
- return Res;
- } else {
- SDNode *Res = SelectARMCMOVImmOp(N, FalseVal, TrueVal,
- CCVal, CCR, InFlag);
- if (!Res)
- Res = SelectARMCMOVImmOp(N, TrueVal, FalseVal,
- ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
- if (Res)
- return Res;
- }
- }
-
- // Pattern: (ARMcmov:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Emits: (MOVCCr:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Pattern complexity = 6 cost = 1 size = 0
- //
- // Pattern: (ARMcmov:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Emits: (tMOVCCr:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Pattern complexity = 6 cost = 11 size = 0
- //
- // Also VMOVScc and VMOVDcc.
- SDValue Tmp2 = CurDAG->getTargetConstant(CCVal, MVT::i32);
- SDValue Ops[] = { FalseVal, TrueVal, Tmp2, CCR, InFlag };
- unsigned Opc = 0;
- switch (VT.getSimpleVT().SimpleTy) {
- default: llvm_unreachable("Illegal conditional move type!");
- case MVT::i32:
- Opc = Subtarget->isThumb()
- ? (Subtarget->hasThumb2() ? ARM::t2MOVCCr : ARM::tMOVCCr_pseudo)
- : ARM::MOVCCr;
- break;
- case MVT::f32:
- Opc = ARM::VMOVScc;
- break;
- case MVT::f64:
- Opc = ARM::VMOVDcc;
- break;
- }
- return CurDAG->SelectNodeTo(N, Opc, VT, Ops, 5);
-}
-
/// Target-specific DAG combining for ISD::XOR.
/// Target-independent combining lowers SELECT_CC nodes of the form
/// select_cc setg[ge] X, 0, X, -X
@@ -2882,8 +2676,6 @@ SDNode *ARMDAGToDAGISel::Select(SDNode *N) {
SDValue(Chain.getNode(), Chain.getResNo()));
return NULL;
}
- case ARMISD::CMOV:
- return SelectCMOVOp(N);
case ARMISD::VZIP: {
unsigned Opc = 0;
EVT VT = N->getValueType(0);
diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index 1349476..6d4de3d 100644
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -155,6 +155,16 @@ def pred : PredicateOperand<OtherVT, (ops i32imm, i32imm),
let DecoderMethod = "DecodePredicateOperand";
}
+// Selectable predicate operand for CMOV instructions. We can't use a normal
+// predicate because the default values interfere with instruction selection. In
+// all other respects it is identical though: pseudo-instruction expansion
+// relies on the MachineOperands being compatible.
+def cmovpred : Operand<i32>, PredicateOp,
+ ComplexPattern<i32, 2, "SelectCMOVPred"> {
+ let MIOperandInfo = (ops i32imm, i32imm);
+ let PrintMethod = "printPredicateOperand";
+}
+
// Conditional code result for instructions whose 's' bit is set, e.g. subs.
def CCOutOperand : AsmOperandClass { let Name = "CCOut"; }
def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 3b83667..a4ea69f 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -4146,56 +4146,65 @@ def BCCZi64 : PseudoInst<(outs),
// Conditional moves
-// FIXME: should be able to write a pattern for ARMcmov, but can't use
-// a two-value operand where a dag node expects two operands. :(
let neverHasSideEffects = 1 in {
let isCommutable = 1, isSelect = 1 in
-def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
+def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4, IIC_iCMOVr,
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
+ [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, so_reg_imm:$shift, pred:$p),
- 4, IIC_iCMOVsr,
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
- imm:$cc, CCR:$ccr))*/]>,
+ (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
+ 4, IIC_iCMOVsr,
+ [(set GPR:$Rd,
+ (ARMcmov GPR:$false, so_reg_imm:$shift,
+ cmovpred:$p))]>,
RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, so_reg_reg:$shift, pred:$p),
+ (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4, IIC_iCMOVsr,
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
- imm:$cc, CCR:$ccr))*/]>,
+ [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
+ cmovpred:$p))]>,
RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
let isMoveImm = 1 in
-def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
- 4, IIC_iMOVi,
- []>,
+def MOVCCi16
+ : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
+ 4, IIC_iMOVi,
+ [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
+ cmovpred:$p))]>,
RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
Sched<[WriteALU]>;
let isMoveImm = 1 in
def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, so_imm:$imm, pred:$p),
+ (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4, IIC_iCMOVi,
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
+ [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
+ cmovpred:$p))]>,
RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
// Two instruction predicate mov immediate.
let isMoveImm = 1 in
-def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, i32imm:$src, pred:$p),
- 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
+def MOVCCi32imm
+ : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, i32imm:$src, cmovpred:$p),
+ 8, IIC_iCMOVix2,
+ [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $Rd">, Requires<[HasV6T2]>;
let isMoveImm = 1 in
def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, so_imm:$imm, pred:$p),
+ (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4, IIC_iCMOVi,
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
+ [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
+ cmovpred:$p))]>,
RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
} // neverHasSideEffects
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index 7e383d2..291b98a 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -1204,9 +1204,9 @@ def tUXTH : // A8.6.264
// Expanded after instruction selection into a branch sequence.
let usesCustomInserter = 1 in // Expanded after instruction selection.
def tMOVCCr_pseudo :
- PseudoInst<(outs tGPR:$dst), (ins tGPR:$false, tGPR:$true, pred:$cc),
- NoItinerary,
- [/*(set tGPR:$dst, (ARMcmov tGPR:$false, tGPR:$true, imm:$cc))*/]>;
+ PseudoInst<(outs tGPR:$dst), (ins tGPR:$false, tGPR:$true, cmovpred:$p),
+ NoItinerary,
+ [(set tGPR:$dst, (ARMcmov tGPR:$false, tGPR:$true, cmovpred:$p))]>;
// tLEApcrel - Load a pc-relative address into a register without offending the
// assembler.
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 3498e41..f3464cc 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -3032,93 +3032,67 @@ defm t2TEQ : T2I_cmp_irs<0b0100, "teq",
BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>>;
// Conditional moves
-// FIXME: should be able to write a pattern for ARMcmov, but can't use
-// a two-value operand where a dag node expects two operands. :(
let neverHasSideEffects = 1 in {
let isCommutable = 1, isSelect = 1 in
def t2MOVCCr : t2PseudoInst<(outs rGPR:$Rd),
- (ins rGPR:$false, rGPR:$Rm, pred:$p),
+ (ins rGPR:$false, rGPR:$Rm, cmovpred:$p),
4, IIC_iCMOVr,
- [/*(set rGPR:$Rd, (ARMcmov rGPR:$false, rGPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">,
- Sched<[WriteALU]>;
+ [(set rGPR:$Rd, (ARMcmov rGPR:$false, rGPR:$Rm,
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
let isMoveImm = 1 in
-def t2MOVCCi : t2PseudoInst<(outs rGPR:$Rd),
- (ins rGPR:$false, t2_so_imm:$imm, pred:$p),
+def t2MOVCCi
+ : t2PseudoInst<(outs rGPR:$Rd),
+ (ins rGPR:$false, t2_so_imm:$imm, cmovpred:$p),
4, IIC_iCMOVi,
-[/*(set rGPR:$Rd,(ARMcmov rGPR:$false,t2_so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
+ [(set rGPR:$Rd, (ARMcmov rGPR:$false,t2_so_imm:$imm,
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
-// FIXME: Pseudo-ize these. For now, just mark codegen only.
let isCodeGenOnly = 1 in {
let isMoveImm = 1 in
-def t2MOVCCi16 : T2I<(outs rGPR:$Rd), (ins rGPR:$false, imm0_65535_expr:$imm),
- IIC_iCMOVi,
- "movw", "\t$Rd, $imm", []>,
- RegConstraint<"$false = $Rd">, Sched<[WriteALU]> {
- let Inst{31-27} = 0b11110;
- let Inst{25} = 1;
- let Inst{24-21} = 0b0010;
- let Inst{20} = 0; // The S bit.
- let Inst{15} = 0;
-
- bits<4> Rd;
- bits<16> imm;
-
- let Inst{11-8} = Rd;
- let Inst{19-16} = imm{15-12};
- let Inst{26} = imm{11};
- let Inst{14-12} = imm{10-8};
- let Inst{7-0} = imm{7-0};
-}
+def t2MOVCCi16
+ : t2PseudoInst<(outs rGPR:$Rd),
+ (ins rGPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
+ 4, IIC_iCMOVi,
+ [(set rGPR:$Rd, (ARMcmov rGPR:$false, imm0_65535:$imm,
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
let isMoveImm = 1 in
-def t2MOVCCi32imm : PseudoInst<(outs rGPR:$dst),
- (ins rGPR:$false, i32imm:$src, pred:$p),
- IIC_iCMOVix2, []>, RegConstraint<"$false = $dst">;
+def t2MVNCCi
+ : t2PseudoInst<(outs rGPR:$Rd),
+ (ins rGPR:$false, t2_so_imm:$imm, cmovpred:$p),
+ 4, IIC_iCMOVi,
+ [(set rGPR:$Rd,
+ (ARMcmov rGPR:$false, t2_so_imm_not:$imm,
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
+
+class MOVCCShPseudo<SDPatternOperator opnode, Operand ty>
+ : t2PseudoInst<(outs rGPR:$Rd),
+ (ins rGPR:$false, rGPR:$Rm, i32imm:$imm, cmovpred:$p),
+ 4, IIC_iCMOVsi,
+ [(set rGPR:$Rd, (ARMcmov rGPR:$false,
+ (opnode rGPR:$Rm, (i32 ty:$imm)),
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
+
+def t2MOVCClsl : MOVCCShPseudo<shl, imm0_31>;
+def t2MOVCClsr : MOVCCShPseudo<srl, imm_sr>;
+def t2MOVCCasr : MOVCCShPseudo<sra, imm_sr>;
+def t2MOVCCror : MOVCCShPseudo<rotr, imm0_31>;
let isMoveImm = 1 in
-def t2MVNCCi : T2OneRegImm<(outs rGPR:$Rd), (ins rGPR:$false, t2_so_imm:$imm),
- IIC_iCMOVi, "mvn", "\t$Rd, $imm",
-[/*(set rGPR:$Rd,(ARMcmov rGPR:$false,t2_so_imm_not:$imm,
- imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, Sched<[WriteALU]> {
- let Inst{31-27} = 0b11110;
- let Inst{25} = 0;
- let Inst{24-21} = 0b0011;
- let Inst{20} = 0; // The S bit.
- let Inst{19-16} = 0b1111; // Rn
- let Inst{15} = 0;
-}
-
-class T2I_movcc_sh<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
- string opc, string asm, list<dag> pattern>
- : T2TwoRegShiftImm<oops, iops, itin, opc, asm, pattern>, Sched<[WriteALU]> {
- let Inst{31-27} = 0b11101;
- let Inst{26-25} = 0b01;
- let Inst{24-21} = 0b0010;
- let Inst{20} = 0; // The S bit.
- let Inst{19-16} = 0b1111; // Rn
- let Inst{5-4} = opcod; // Shift type.
-}
-def t2MOVCClsl : T2I_movcc_sh<0b00, (outs rGPR:$Rd),
- (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
- IIC_iCMOVsi, "lsl", ".w\t$Rd, $Rm, $imm", []>,
- RegConstraint<"$false = $Rd">;
-def t2MOVCClsr : T2I_movcc_sh<0b01, (outs rGPR:$Rd),
- (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
- IIC_iCMOVsi, "lsr", ".w\t$Rd, $Rm, $imm", []>,
- RegConstraint<"$false = $Rd">;
-def t2MOVCCasr : T2I_movcc_sh<0b10, (outs rGPR:$Rd),
- (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
- IIC_iCMOVsi, "asr", ".w\t$Rd, $Rm, $imm", []>,
- RegConstraint<"$false = $Rd">;
-def t2MOVCCror : T2I_movcc_sh<0b11, (outs rGPR:$Rd),
- (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
- IIC_iCMOVsi, "ror", ".w\t$Rd, $Rm, $imm", []>,
- RegConstraint<"$false = $Rd">;
+def t2MOVCCi32imm
+ : t2PseudoInst<(outs rGPR:$dst),
+ (ins rGPR:$false, i32imm:$src, cmovpred:$p),
+ 8, IIC_iCMOVix2,
+ [(set rGPR:$dst, (ARMcmov rGPR:$false, imm:$src,
+ cmovpred:$p))]>,
+ RegConstraint<"$false = $dst">;
} // isCodeGenOnly = 1
} // neverHasSideEffects
diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index f9cfa15..c6b8bc3 100644
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -1466,15 +1466,17 @@ def : Pat<(fneg (f32 (fma SPR:$Sn, (fneg SPR:$Sm), SPR:$Sdin))),
//
let neverHasSideEffects = 1 in {
-def VMOVDcc : ARMPseudoInst<(outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm, pred:$p),
- 4, IIC_fpUNA64,
- [/*(set DPR:$Dd, (ARMcmov DPR:$Dn, DPR:$Dm, imm:$cc))*/]>,
- RegConstraint<"$Dn = $Dd">;
-
-def VMOVScc : ARMPseudoInst<(outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm, pred:$p),
- 4, IIC_fpUNA32,
- [/*(set SPR:$Sd, (ARMcmov SPR:$Sn, SPR:$Sm, imm:$cc))*/]>,
- RegConstraint<"$Sn = $Sd">;
+def VMOVDcc : PseudoInst<(outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm, cmovpred:$p),
+ IIC_fpUNA64,
+ [(set (f64 DPR:$Dd),
+ (ARMcmov DPR:$Dn, DPR:$Dm, cmovpred:$p))]>,
+ RegConstraint<"$Dn = $Dd">, Requires<[HasVFP2]>;
+
+def VMOVScc : PseudoInst<(outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm, cmovpred:$p),
+ IIC_fpUNA32,
+ [(set (f32 SPR:$Sd),
+ (ARMcmov SPR:$Sn, SPR:$Sm, cmovpred:$p))]>,
+ RegConstraint<"$Sn = $Sd">, Requires<[HasVFP2]>;
} // neverHasSideEffects
//===----------------------------------------------------------------------===//
generated by cgit v1.1 at 2025-02-05 08:37:13 +0000