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 GPR:$Rn, so_imm:$imm))]> {
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
+ Sched<[WriteALU, ReadALU]> {
bits<4> Rd;
bits<4> Rn;
bits<12> imm;
}
def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
iir, opc, "\t$Rd, $Rn, $Rm",
- [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
+ Sched<[WriteALU, ReadALU, ReadALU]> {
bits<4> Rd;
bits<4> Rn;
bits<4> Rm;
def rsi : AsI1<opcod, (outs GPR:$Rd),
(ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
+ Sched<[WriteALUsi, ReadALU]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
def rsr : AsI1<opcod, (outs GPR:$Rd),
(ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
+ Sched<[WriteALUsr, ReadALUsr]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let isReMaterializable = 1 in {
def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
iii, opc, "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]> {
+ [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
+ Sched<[WriteALU, ReadALU]> {
bits<4> Rd;
bits<4> Rn;
bits<12> imm;
}
def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
iir, opc, "\t$Rd, $Rn, $Rm",
- [/* pattern left blank */]> {
+ [/* pattern left blank */]>,
+ Sched<[WriteALU, ReadALU, ReadALU]> {
bits<4> Rd;
bits<4> Rn;
bits<4> Rm;
def rsi : AsI1<opcod, (outs GPR:$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))]> {
+ [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
+ Sched<[WriteALUsi, ReadALU]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
def rsr : AsI1<opcod, (outs GPR:$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))]> {
+ [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
+ Sched<[WriteALUsr, ReadALUsr]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
bit Commutable = 0> {
def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
4, iii,
- [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>;
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
+ Sched<[WriteALU, ReadALU]>;
def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
4, iir,
- [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]> {
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
+ Sched<[WriteALU, ReadALU, ReadALU]> {
let isCommutable = Commutable;
}
def rsi : ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
4, iis,
[(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
- so_reg_imm:$shift))]>;
+ so_reg_imm:$shift))]>,
+ Sched<[WriteALUsi, ReadALU]>;
def rsr : ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
4, iis,
[(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
- so_reg_reg:$shift))]>;
+ so_reg_reg:$shift))]>,
+ Sched<[WriteALUSsr, ReadALUsr]>;
}
}
bit Commutable = 0> {
def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
4, iii,
- [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>;
+ [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
+ Sched<[WriteALU, ReadALU]>;
def rsi : ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
4, iis,
[(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
- GPR:$Rn))]>;
+ GPR:$Rn))]>,
+ Sched<[WriteALUsi, ReadALU]>;
def rsr : ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
4, iis,
[(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
- GPR:$Rn))]>;
+ GPR:$Rn))]>,
+ Sched<[WriteALUSsr, ReadALUsr]>;
}
}
// Basic ALU operation.
def WriteALU : SchedWrite;
-def ReadAdvanceALU : SchedRead;
+def ReadALU : SchedRead;
// Basic ALU with shifts.
def WriteALUsi : SchedWrite; // Shift by immediate.
def WriteALUsr : SchedWrite; // Shift by register.
def WriteALUSsr : SchedWrite; // Shift by register (flag setting).
-def ReadAdvanceALUsr : SchedRead; // Some operands are read later.
+def ReadALUsr : SchedRead; // Some operands are read later.
+
+// Define TII for use in SchedVariant Predicates.
+def : PredicateProlog<[{
+ const ARMBaseInstrInfo *TII =
+ static_cast<const ARMBaseInstrInfo*>(SchedModel->getInstrInfo());
+ (void)TII;
+}]>;
//===----------------------------------------------------------------------===//
// Instruction Itinerary classes used for ARM
//===----------------------------------------------------------------------===//
// Define each kind of processor resource and number available.
+let SchedModel = CortexA9Model in {
+
def A9UnitALU : ProcResource<2>;
def A9UnitMul : ProcResource<1> { let Super = A9UnitALU; }
def A9UnitAGU : ProcResource<1>;
def A9WriteIsr : SchedWriteRes<[A9UnitALU]> { let Latency = 2; }
// Basic ALU.
-def A9WriteA : SchedWriteRes<[A9UnitALU]>;
+def : WriteRes<WriteALU, [A9UnitALU]>;
// ALU with operand shifted by immediate.
-def A9WriteAsi : SchedWriteRes<[A9UnitALU]> { let Latency = 2; }
+def : WriteRes<WriteALUsi, [A9UnitALU]> { let Latency = 2; }
// ALU with operand shifted by register.
-def A9WriteAsr : SchedWriteRes<[A9UnitALU]> { let Latency = 3; }
+def A9WriteALUsr : SchedWriteRes<[A9UnitALU]> { let Latency = 3; }
// Multiplication
def A9WriteM : SchedWriteRes<[A9UnitMul, A9UnitMul]> { let Latency = 4; }
def A9WriteCycle#NumCycles : WriteSequence<[A9WriteCycle1], NumCycles>;
} // foreach NumCycles
-// Define TII for use in SchedVariant Predicates.
-def : PredicateProlog<[{
- const ARMBaseInstrInfo *TII =
- static_cast<const ARMBaseInstrInfo*>(SchedModel->getInstrInfo());
- (void)TII;
-}]>;
-
// Define address generation sequences and predicates for 8 flavors of LDMs.
foreach NumAddr = 1-8 in {
// These mov immediate writers are unconditionally expanded with
// additive latency.
def A9WriteI2 : WriteSequence<[A9WriteI, A9WriteI]>;
-def A9WriteI2pc : WriteSequence<[A9WriteI, A9WriteI, A9WriteA]>;
+def A9WriteI2pc : WriteSequence<[A9WriteI, A9WriteI, WriteALU]>;
def A9WriteI2ld : WriteSequence<[A9WriteI, A9WriteI, A9WriteL]>;
// Some ALU operations can read loaded integer values one cycle early.
-def A9ReadA : SchedReadAdvance<1,
+def A9ReadALU : SchedReadAdvance<1,
[A9WriteL, A9WriteLHi, A9WriteLsi, A9WriteLb, A9WriteLbsi,
A9WriteL1, A9WriteL2, A9WriteL3, A9WriteL4,
A9WriteL5, A9WriteL6, A9WriteL7, A9WriteL8,
// This table follows the ARM Cortex-A9 Technical Reference Manuals,
// mostly in order.
-let SchedModel = CortexA9Model in {
def :ItinRW<[A9WriteI], [IIC_iMOVi,IIC_iMOVr,IIC_iMOVsi,
IIC_iMVNi,IIC_iMVNsi,
IIC_iCMOVi,IIC_iCMOVr,IIC_iCMOVsi]>;
-def :ItinRW<[A9WriteI,A9ReadA],[IIC_iMVNr]>;
+def :ItinRW<[A9WriteI,ReadALU],[IIC_iMVNr]>;
def :ItinRW<[A9WriteIsr], [IIC_iMOVsr,IIC_iMVNsr,IIC_iCMOVsr]>;
def :ItinRW<[A9WriteI2], [IIC_iMOVix2,IIC_iCMOVix2]>;
def :ItinRW<[A9WriteI2pc], [IIC_iMOVix2addpc]>;
def :ItinRW<[A9WriteI2ld], [IIC_iMOVix2ld]>;
-def :ItinRW<[A9WriteA], [IIC_iBITi,IIC_iBITr,IIC_iUNAr,IIC_iTSTi,IIC_iTSTr]>;
-def :ItinRW<[A9WriteA, A9ReadA], [IIC_iALUi, IIC_iCMPi, IIC_iCMPsi]>;
-def :ItinRW<[A9WriteA, A9ReadA, A9ReadA],[IIC_iALUr,IIC_iCMPr]>;
-def :ItinRW<[A9WriteAsi], [IIC_iBITsi,IIC_iUNAsi,IIC_iEXTr,IIC_iTSTsi]>;
-def :ItinRW<[A9WriteAsi, A9ReadA], [IIC_iALUsi]>;
-def :ItinRW<[A9WriteAsi, ReadDefault, A9ReadA], [IIC_iALUsir]>; // RSB
-def :ItinRW<[A9WriteAsr], [IIC_iBITsr,IIC_iTSTsr,IIC_iEXTAr,IIC_iEXTAsr]>;
-def :ItinRW<[A9WriteAsr, A9ReadA], [IIC_iALUsr,IIC_iCMPsr]>;
+def :ItinRW<[WriteALU], [IIC_iBITi,IIC_iBITr,IIC_iUNAr,IIC_iTSTi,IIC_iTSTr]>;
+def :ItinRW<[WriteALU, ReadALU], [IIC_iALUi, IIC_iCMPi, IIC_iCMPsi]>;
+def :ItinRW<[WriteALU, ReadALU, ReadALU],[IIC_iALUr,IIC_iCMPr]>;
+def :ItinRW<[WriteALUsi], [IIC_iBITsi,IIC_iUNAsi,IIC_iEXTr,IIC_iTSTsi]>;
+def :ItinRW<[WriteALUsi, ReadALU], [IIC_iALUsi]>;
+def :ItinRW<[WriteALUsi, ReadDefault, ReadALU], [IIC_iALUsir]>; // RSB
+def :ItinRW<[A9WriteALUsr], [IIC_iBITsr,IIC_iTSTsr,IIC_iEXTAr,IIC_iEXTAsr]>;
+def :ItinRW<[A9WriteALUsr, ReadALU], [IIC_iALUsr,IIC_iCMPsr]>;
// A9WriteHi ignored for MUL32.
def :ItinRW<[A9WriteM, A9WriteMHi], [IIC_iMUL32,IIC_iMAC32,
IIC_iStore_m,
IIC_iStore_mu]>;
def :ItinRW<[A9WriteLM, A9WriteLMAdr, A9WriteB], [IIC_iLoad_mBr, IIC_iPop_Br]>;
-def :ItinRW<[A9WriteL, A9WriteAdr, A9WriteA], [IIC_iLoadiALU]>;
+def :ItinRW<[A9WriteL, A9WriteAdr, WriteALU], [IIC_iLoadiALU]>;
def :ItinRW<[A9WriteLSfp, A9WriteAdr], [IIC_fpLoad32, IIC_fpLoad64]>;
def :ItinRW<[A9WriteV10, A9Read3, A9Read2], [IIC_VMACQ, IIC_VFMACQ]>;
def :ItinRW<[A9WriteV9, A9Read2, A9Read2], [IIC_VRECSD]>;
def :ItinRW<[A9WriteV10, A9Read2, A9Read2], [IIC_VRECSQ]>;
+
+// Map SchedRWs that are identical for cortexa9 to existing resources.
+def : SchedAlias<WriteALUsr, A9WriteALUsr>;
+def : SchedAlias<WriteALUSsr, A9WriteALUsr>;
+def : SchedAlias<ReadALU, A9ReadALU>;
+def : SchedAlias<ReadALUsr, A9ReadALU>;
+
} // SchedModel = CortexA9Model
let IssueWidth = 3; // 3 micro-ops are dispatched per cycle.
let MinLatency = 0; // Data dependencies are allowed within dispatch groups.
let LoadLatency = 3;
+ let MispredictPenalty = 14; // A branch direction mispredict.
let Itineraries = SwiftItineraries;
}
-// TODO: Add Swift processor and scheduler resources.
+// Swift resource mapping.
+let SchedModel = SwiftModel in {
+ // Processor resources.
+ def SwiftUnitP01 : ProcResource<2>; // ALU unit.
+ def SwiftUnitP0 : ProcResource<1> { let Super = SwiftUnitP01; } // Mul unit.
+ def SwiftUnitP1 : ProcResource<1> { let Super = SwiftUnitP01; } // Br unit.
+ def SwiftUnitP2 : ProcResource<1>; // LS unit.
+ def SwiftUnitDiv : ProcResource<1>;
+
+ // 4.2.4 Arithmetic and Logical.
+ // ADC,ADD,NEG,RSB,RSC,SBC,SUB,ADR
+ // AND,BIC, EOR,ORN,ORR
+ // CLZ,RBIT,REV,REV16,REVSH,PKH
+ // Single cycle.
+ def : WriteRes<WriteALU, [SwiftUnitP01]>;
+ def : WriteRes<WriteALUsi, [SwiftUnitP01]>;
+ def : WriteRes<WriteALUsr, [SwiftUnitP01]>;
+ def : WriteRes<WriteALUSsr, [SwiftUnitP01]>;
+ def : ReadAdvance<ReadALU, 0>;
+ def : ReadAdvance<ReadALUsr, 2>;
+}
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