let ParserMatchClass = imm0_4095_neg_asmoperand;
}
-def imm0_255_neg : PatLeaf<(i32 imm), [{
- return (uint32_t)(-N->getZExtValue()) < 255;
+def imm1_255_neg : PatLeaf<(i32 imm), [{
+ uint32_t Val = -N->getZExtValue();
+ return (Val > 0 && Val < 255);
}], imm_neg_XFORM>;
def imm0_255_not : PatLeaf<(i32 imm), [{
def t2addrmode_imm12_asmoperand : AsmOperandClass {let Name="MemUImm12Offset";}
def t2addrmode_imm12 : Operand<i32>,
ComplexPattern<i32, 2, "SelectT2AddrModeImm12", []> {
- let PrintMethod = "printAddrModeImm12Operand";
+ let PrintMethod = "printAddrModeImm12Operand<false>";
let EncoderMethod = "getAddrModeImm12OpValue";
let DecoderMethod = "DecodeT2AddrModeImm12";
let ParserMatchClass = t2addrmode_imm12_asmoperand;
// t2ldrlabel := imm12
def t2ldrlabel : Operand<i32> {
let EncoderMethod = "getAddrModeImm12OpValue";
- let PrintMethod = "printT2LdrLabelOperand";
+ let PrintMethod = "printThumbLdrLabelOperand";
}
def t2ldr_pcrel_imm12_asmoperand : AsmOperandClass {let Name = "MemPCRelImm12";}
// ADR instruction labels.
def t2adrlabel : Operand<i32> {
let EncoderMethod = "getT2AdrLabelOpValue";
- let PrintMethod = "printAdrLabelOperand";
+ let PrintMethod = "printAdrLabelOperand<0>";
}
-
// t2addrmode_posimm8 := reg + imm8
def MemPosImm8OffsetAsmOperand : AsmOperandClass {let Name="MemPosImm8Offset";}
def t2addrmode_posimm8 : Operand<i32> {
- let PrintMethod = "printT2AddrModeImm8Operand";
+ let PrintMethod = "printT2AddrModeImm8Operand<false>";
let EncoderMethod = "getT2AddrModeImm8OpValue";
let DecoderMethod = "DecodeT2AddrModeImm8";
let ParserMatchClass = MemPosImm8OffsetAsmOperand;
def MemNegImm8OffsetAsmOperand : AsmOperandClass {let Name="MemNegImm8Offset";}
def t2addrmode_negimm8 : Operand<i32>,
ComplexPattern<i32, 2, "SelectT2AddrModeImm8", []> {
- let PrintMethod = "printT2AddrModeImm8Operand";
+ let PrintMethod = "printT2AddrModeImm8Operand<false>";
let EncoderMethod = "getT2AddrModeImm8OpValue";
let DecoderMethod = "DecodeT2AddrModeImm8";
let ParserMatchClass = MemNegImm8OffsetAsmOperand;
// t2addrmode_imm8 := reg +/- imm8
def MemImm8OffsetAsmOperand : AsmOperandClass { let Name = "MemImm8Offset"; }
-def t2addrmode_imm8 : Operand<i32>,
- ComplexPattern<i32, 2, "SelectT2AddrModeImm8", []> {
- let PrintMethod = "printT2AddrModeImm8Operand";
+class T2AddrMode_Imm8 : Operand<i32>,
+ ComplexPattern<i32, 2, "SelectT2AddrModeImm8", []> {
let EncoderMethod = "getT2AddrModeImm8OpValue";
let DecoderMethod = "DecodeT2AddrModeImm8";
let ParserMatchClass = MemImm8OffsetAsmOperand;
let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
}
+def t2addrmode_imm8 : T2AddrMode_Imm8 {
+ let PrintMethod = "printT2AddrModeImm8Operand<false>";
+}
+
+def t2addrmode_imm8_pre : T2AddrMode_Imm8 {
+ let PrintMethod = "printT2AddrModeImm8Operand<true>";
+}
+
def t2am_imm8_offset : Operand<i32>,
ComplexPattern<i32, 1, "SelectT2AddrModeImm8Offset",
[], [SDNPWantRoot]> {
// t2addrmode_imm8s4 := reg +/- (imm8 << 2)
def MemImm8s4OffsetAsmOperand : AsmOperandClass {let Name = "MemImm8s4Offset";}
-def t2addrmode_imm8s4 : Operand<i32> {
- let PrintMethod = "printT2AddrModeImm8s4Operand";
+class T2AddrMode_Imm8s4 : Operand<i32> {
let EncoderMethod = "getT2AddrModeImm8s4OpValue";
let DecoderMethod = "DecodeT2AddrModeImm8s4";
let ParserMatchClass = MemImm8s4OffsetAsmOperand;
let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
}
+def t2addrmode_imm8s4 : T2AddrMode_Imm8s4 {
+ let PrintMethod = "printT2AddrModeImm8s4Operand<false>";
+}
+
+def t2addrmode_imm8s4_pre : T2AddrMode_Imm8s4 {
+ let PrintMethod = "printT2AddrModeImm8s4Operand<true>";
+}
+
def t2am_imm8s4_offset_asmoperand : AsmOperandClass { let Name = "Imm8s4"; }
def t2am_imm8s4_offset : Operand<i32> {
let PrintMethod = "printT2AddrModeImm8s4OffsetOperand";
def MemImm0_1020s4OffsetAsmOperand : AsmOperandClass {
let Name = "MemImm0_1020s4Offset";
}
-def t2addrmode_imm0_1020s4 : Operand<i32> {
+def t2addrmode_imm0_1020s4 : Operand<i32>,
+ ComplexPattern<i32, 2, "SelectT2AddrModeExclusive"> {
let PrintMethod = "printT2AddrModeImm0_1020s4Operand";
let EncoderMethod = "getT2AddrModeImm0_1020s4OpValue";
let DecoderMethod = "DecodeT2AddrModeImm0_1020s4";
let Inst{3-0} = Rm;
}
+class T2ThreeRegNoP<dag oops, dag iops, InstrItinClass itin,
+ string asm, list<dag> pattern>
+ : T2XI<oops, iops, itin, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+
+ let Inst{11-8} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{3-0} = Rm;
+}
+
class T2sThreeReg<dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
: T2sI<oops, iops, itin, opc, asm, pattern> {
let Inst{7-4} = opc7_4;
let Inst{3-0} = Rm;
}
+class T2MlaLong<bits<3> opc22_20, bits<4> opc7_4,
+ dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> RdLo;
+ bits<4> RdHi;
+ bits<4> Rn;
+ bits<4> Rm;
+
+ let Inst{31-23} = 0b111110111;
+ let Inst{22-20} = opc22_20;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = RdLo;
+ let Inst{11-8} = RdHi;
+ let Inst{7-4} = opc7_4;
+ let Inst{3-0} = Rm;
+}
/// T2I_bin_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a
def ri : T2sTwoRegImm<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), iii,
opc, "\t$Rd, $Rn, $imm",
- [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]> {
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]>,
+ Sched<[WriteALU, ReadALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
// register
def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), iir,
opc, !strconcat(wide, "\t$Rd, $Rn, $Rm"),
- [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]> {
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>,
+ Sched<[WriteALU, ReadALU, ReadALU]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
def rs : T2sTwoRegShiftedReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm), iis,
opc, !strconcat(wide, "\t$Rd, $Rn, $ShiftedRm"),
- [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]> {
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]>,
+ Sched<[WriteALUsi, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
def ri : T2sTwoRegImm<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi,
opc, ".w\t$Rd, $Rn, $imm",
- [(set rGPR:$Rd, (opnode t2_so_imm:$imm, rGPR:$Rn))]> {
+ [(set rGPR:$Rd, (opnode t2_so_imm:$imm, rGPR:$Rn))]>,
+ Sched<[WriteALU, ReadALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
def rr : T2sThreeReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr,
opc, "\t$Rd, $Rn, $Rm",
- [/* For disassembly only; pattern left blank */]> {
+ [/* For disassembly only; pattern left blank */]>,
+ Sched<[WriteALU, ReadALU, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
def rs : T2sTwoRegShiftedReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
IIC_iALUsir, opc, "\t$Rd, $Rn, $ShiftedRm",
- [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]> {
+ [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]>,
+ Sched<[WriteALUsi, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
(ins GPRnopc:$Rn, t2_so_imm:$imm, pred:$p),
4, iii,
[(set rGPR:$Rd, CPSR, (opnode GPRnopc:$Rn,
- t2_so_imm:$imm))]>;
+ t2_so_imm:$imm))]>,
+ Sched<[WriteALU, ReadALU]>;
// register
def rr : t2PseudoInst<(outs rGPR:$Rd), (ins GPRnopc:$Rn, rGPR:$Rm, pred:$p),
4, iir,
[(set rGPR:$Rd, CPSR, (opnode GPRnopc:$Rn,
- rGPR:$Rm))]> {
+ rGPR:$Rm))]>,
+ Sched<[WriteALU, ReadALU, ReadALU]> {
let isCommutable = Commutable;
}
// shifted register
(ins GPRnopc:$Rn, t2_so_reg:$ShiftedRm, pred:$p),
4, iis,
[(set rGPR:$Rd, CPSR, (opnode GPRnopc:$Rn,
- t2_so_reg:$ShiftedRm))]>;
+ t2_so_reg:$ShiftedRm))]>,
+ Sched<[WriteALUsi, ReadALUsr]>;
}
}
(ins rGPR:$Rn, t2_so_imm:$imm, pred:$p),
4, IIC_iALUi,
[(set rGPR:$Rd, CPSR, (opnode t2_so_imm:$imm,
- rGPR:$Rn))]>;
+ rGPR:$Rn))]>,
+ Sched<[WriteALU, ReadALU]>;
// shifted register
def rs : t2PseudoInst<(outs rGPR:$Rd),
(ins rGPR:$Rn, t2_so_reg:$ShiftedRm, pred:$p),
4, IIC_iALUsi,
[(set rGPR:$Rd, CPSR, (opnode t2_so_reg:$ShiftedRm,
- rGPR:$Rn))]>;
+ rGPR:$Rn))]>,
+ Sched<[WriteALUsi, ReadALU]>;
}
}
def ri : T2sTwoRegImm<
(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, t2_so_imm:$imm), IIC_iALUi,
opc, ".w\t$Rd, $Rn, $imm",
- [(set GPRnopc:$Rd, (opnode GPRnopc:$Rn, t2_so_imm:$imm))]> {
+ [(set GPRnopc:$Rd, (opnode GPRnopc:$Rn, t2_so_imm:$imm))]>,
+ Sched<[WriteALU, ReadALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24} = 1;
def ri12 : T2I<
(outs GPRnopc:$Rd), (ins GPR:$Rn, imm0_4095:$imm), IIC_iALUi,
!strconcat(opc, "w"), "\t$Rd, $Rn, $imm",
- [(set GPRnopc:$Rd, (opnode GPR:$Rn, imm0_4095:$imm))]> {
+ [(set GPRnopc:$Rd, (opnode GPR:$Rn, imm0_4095:$imm))]>,
+ Sched<[WriteALU, ReadALU]> {
bits<4> Rd;
bits<4> Rn;
bits<12> imm;
// register
def rr : T2sThreeReg<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, rGPR:$Rm),
IIC_iALUr, opc, ".w\t$Rd, $Rn, $Rm",
- [(set GPRnopc:$Rd, (opnode GPRnopc:$Rn, rGPR:$Rm))]> {
+ [(set GPRnopc:$Rd, (opnode GPRnopc:$Rn, rGPR:$Rm))]>,
+ Sched<[WriteALU, ReadALU, ReadALU]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
def rs : T2sTwoRegShiftedReg<
(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, t2_so_reg:$ShiftedRm),
IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm",
- [(set GPRnopc:$Rd, (opnode GPRnopc:$Rn, t2_so_reg:$ShiftedRm))]> {
+ [(set GPRnopc:$Rd, (opnode GPRnopc:$Rn, t2_so_reg:$ShiftedRm))]>,
+ Sched<[WriteALUsi, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24} = 1;
def ri : T2sTwoRegImm<(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm),
IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
[(set rGPR:$Rd, CPSR, (opnode rGPR:$Rn, t2_so_imm:$imm, CPSR))]>,
- Requires<[IsThumb2]> {
+ Requires<[IsThumb2]>, Sched<[WriteALU, ReadALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr,
opc, ".w\t$Rd, $Rn, $Rm",
[(set rGPR:$Rd, CPSR, (opnode rGPR:$Rn, rGPR:$Rm, CPSR))]>,
- Requires<[IsThumb2]> {
+ Requires<[IsThumb2]>, Sched<[WriteALU, ReadALU, ReadALU]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm",
[(set rGPR:$Rd, CPSR, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm, CPSR))]>,
- Requires<[IsThumb2]> {
+ Requires<[IsThumb2]>, Sched<[WriteALUsi, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
def ri : T2sTwoRegShiftImm<
(outs rGPR:$Rd), (ins rGPR:$Rm, ty:$imm), IIC_iMOVsi,
opc, ".w\t$Rd, $Rm, $imm",
- [(set rGPR:$Rd, (opnode rGPR:$Rm, (i32 ty:$imm)))]> {
+ [(set rGPR:$Rd, (opnode rGPR:$Rm, (i32 ty:$imm)))]>,
+ Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-21} = 0b010010;
let Inst{19-16} = 0b1111; // Rn
def rr : T2sThreeReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMOVsr,
opc, ".w\t$Rd, $Rn, $Rm",
- [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]> {
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>,
+ Sched<[WriteALU]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-21} = opcod;
def ri : T2OneRegCmpImm<
(outs), (ins GPRnopc:$Rn, t2_so_imm:$imm), iii,
opc, ".w\t$Rn, $imm",
- [(opnode GPRnopc:$Rn, t2_so_imm:$imm)]> {
+ [(opnode GPRnopc:$Rn, t2_so_imm:$imm)]>, Sched<[WriteCMP]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
def rr : T2TwoRegCmp<
(outs), (ins GPRnopc:$Rn, rGPR:$Rm), iir,
opc, ".w\t$Rn, $Rm",
- [(opnode GPRnopc:$Rn, rGPR:$Rm)]> {
+ [(opnode GPRnopc:$Rn, rGPR:$Rm)]>, Sched<[WriteCMP]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
def rs : T2OneRegCmpShiftedReg<
(outs), (ins GPRnopc:$Rn, t2_so_reg:$ShiftedRm), iis,
opc, ".w\t$Rn, $ShiftedRm",
- [(opnode GPRnopc:$Rn, t2_so_reg:$ShiftedRm)]> {
+ [(opnode GPRnopc:$Rn, t2_so_reg:$ShiftedRm)]>,
+ Sched<[WriteCMPsi]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
let Inst{19-16} = addr{16-13}; // Rn
let Inst{15-12} = Rt;
let Inst{11-0} = addr{11-0}; // imm
+
+ let DecoderMethod = "DecodeT2LoadImm12";
}
def i8 : T2Ii8 <(outs target:$Rt), (ins t2addrmode_negimm8:$addr), iii,
opc, "\t$Rt, $addr",
let Inst{9} = addr{8}; // U
let Inst{8} = 0; // The W bit.
let Inst{7-0} = addr{7-0}; // imm
+
+ let DecoderMethod = "DecodeT2LoadImm8";
}
def s : T2Iso <(outs target:$Rt), (ins t2addrmode_so_reg:$addr), iis,
opc, ".w\t$Rt, $addr",
let Inst{31-27} = 0b11111;
let Inst{26-25} = 0b00;
let Inst{24} = signed;
- let Inst{23} = ?; // add = (U == '1')
let Inst{22-21} = opcod;
let Inst{20} = 1; // load
let Inst{19-16} = 0b1111; // Rn
+
bits<4> Rt;
- bits<12> addr;
let Inst{15-12} = Rt{3-0};
+
+ bits<13> addr;
+ let Inst{23} = addr{12}; // add = (U == '1')
let Inst{11-0} = addr{11-0};
+
+ let DecoderMethod = "DecodeT2LoadLabel";
}
}
// assembler.
def t2ADR : T2PCOneRegImm<(outs rGPR:$Rd),
(ins t2adrlabel:$addr, pred:$p),
- IIC_iALUi, "adr{$p}.w\t$Rd, $addr", []> {
+ IIC_iALUi, "adr{$p}.w\t$Rd, $addr", []>,
+ Sched<[WriteALU, ReadALU]> {
let Inst{31-27} = 0b11110;
let Inst{25-24} = 0b10;
// Inst{23:21} = '11' (add = FALSE) or '00' (add = TRUE)
let neverHasSideEffects = 1, isReMaterializable = 1 in
def t2LEApcrel : t2PseudoInst<(outs rGPR:$Rd), (ins i32imm:$label, pred:$p),
- 4, IIC_iALUi, []>;
+ 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
+let hasSideEffects = 1 in
def t2LEApcrelJT : t2PseudoInst<(outs rGPR:$Rd),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
4, IIC_iALUi,
- []>;
+ []>, Sched<[WriteALU, ReadALU]>;
//===----------------------------------------------------------------------===//
// Loads with zero extension
defm t2LDRH : T2I_ld<0, 0b01, "ldrh", IIC_iLoad_bh_i, IIC_iLoad_bh_si,
- rGPR, UnOpFrag<(zextloadi16 node:$Src)>>;
+ GPR, UnOpFrag<(zextloadi16 node:$Src)>>;
defm t2LDRB : T2I_ld<0, 0b00, "ldrb", IIC_iLoad_bh_i, IIC_iLoad_bh_si,
- rGPR, UnOpFrag<(zextloadi8 node:$Src)>>;
+ GPR, UnOpFrag<(zextloadi8 node:$Src)>>;
// Loads with sign extension
defm t2LDRSH : T2I_ld<1, 0b01, "ldrsh", IIC_iLoad_bh_i, IIC_iLoad_bh_si,
- rGPR, UnOpFrag<(sextloadi16 node:$Src)>>;
+ GPR, UnOpFrag<(sextloadi16 node:$Src)>>;
defm t2LDRSB : T2I_ld<1, 0b00, "ldrsb", IIC_iLoad_bh_i, IIC_iLoad_bh_si,
- rGPR, UnOpFrag<(sextloadi8 node:$Src)>>;
+ GPR, UnOpFrag<(sextloadi8 node:$Src)>>;
let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
// Load doubleword
let mayLoad = 1, neverHasSideEffects = 1 in {
def t2LDR_PRE : T2Ipreldst<0, 0b10, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
- (ins t2addrmode_imm8:$addr),
+ (ins t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoad_iu,
- "ldr", "\t$Rt, $addr!", "$addr.base = $Rn_wb",
- []> {
- let AsmMatchConverter = "cvtLdWriteBackRegT2AddrModeImm8";
-}
+ "ldr", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
def t2LDR_POST : T2Ipostldst<0, 0b10, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
(ins addr_offset_none:$Rn, t2am_imm8_offset:$offset),
"ldr", "\t$Rt, $Rn$offset", "$Rn = $Rn_wb", []>;
def t2LDRB_PRE : T2Ipreldst<0, 0b00, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
- (ins t2addrmode_imm8:$addr),
+ (ins t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoad_bh_iu,
- "ldrb", "\t$Rt, $addr!", "$addr.base = $Rn_wb",
- []> {
- let AsmMatchConverter = "cvtLdWriteBackRegT2AddrModeImm8";
-}
+ "ldrb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
+
def t2LDRB_POST : T2Ipostldst<0, 0b00, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
(ins addr_offset_none:$Rn, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoad_bh_iu,
"ldrb", "\t$Rt, $Rn$offset", "$Rn = $Rn_wb", []>;
def t2LDRH_PRE : T2Ipreldst<0, 0b01, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
- (ins t2addrmode_imm8:$addr),
+ (ins t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoad_bh_iu,
- "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb",
- []> {
- let AsmMatchConverter = "cvtLdWriteBackRegT2AddrModeImm8";
-}
+ "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
+
def t2LDRH_POST : T2Ipostldst<0, 0b01, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
(ins addr_offset_none:$Rn, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoad_bh_iu,
"ldrh", "\t$Rt, $Rn$offset", "$Rn = $Rn_wb", []>;
def t2LDRSB_PRE : T2Ipreldst<1, 0b00, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
- (ins t2addrmode_imm8:$addr),
+ (ins t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoad_bh_iu,
"ldrsb", "\t$Rt, $addr!", "$addr.base = $Rn_wb",
- []> {
- let AsmMatchConverter = "cvtLdWriteBackRegT2AddrModeImm8";
-}
+ []>;
+
def t2LDRSB_POST : T2Ipostldst<1, 0b00, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
(ins addr_offset_none:$Rn, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoad_bh_iu,
"ldrsb", "\t$Rt, $Rn$offset", "$Rn = $Rn_wb", []>;
def t2LDRSH_PRE : T2Ipreldst<1, 0b01, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
- (ins t2addrmode_imm8:$addr),
+ (ins t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoad_bh_iu,
"ldrsh", "\t$Rt, $addr!", "$addr.base = $Rn_wb",
- []> {
- let AsmMatchConverter = "cvtLdWriteBackRegT2AddrModeImm8";
-}
+ []>;
+
def t2LDRSH_POST : T2Ipostldst<1, 0b01, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
(ins addr_offset_none:$Rn, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoad_bh_iu,
let Inst{11} = 1;
let Inst{10-8} = 0b110; // PUW.
let Inst{7-0} = addr{7-0};
+
+ let DecoderMethod = "DecodeT2LoadT";
}
def t2LDRT : T2IldT<0, 0b10, "ldrt", IIC_iLoad_i>;
def t2LDRSBT : T2IldT<1, 0b00, "ldrsbt", IIC_iLoad_bh_i>;
def t2LDRSHT : T2IldT<1, 0b01, "ldrsht", IIC_iLoad_bh_i>;
+class T2Ildacq<bits<4> bits23_20, bits<2> bit54, dag oops, dag iops,
+ string opc, string asm, list<dag> pattern>
+ : Thumb2I<oops, iops, AddrModeNone, 4, NoItinerary,
+ opc, asm, "", pattern>, Requires<[IsThumb, HasV8]> {
+ bits<4> Rt;
+ bits<4> addr;
+
+ let Inst{31-27} = 0b11101;
+ let Inst{26-24} = 0b000;
+ let Inst{23-20} = bits23_20;
+ let Inst{11-6} = 0b111110;
+ let Inst{5-4} = bit54;
+ let Inst{3-0} = 0b1111;
+
+ // Encode instruction operands
+ let Inst{19-16} = addr;
+ let Inst{15-12} = Rt;
+}
+
+def t2LDA : T2Ildacq<0b1101, 0b10, (outs rGPR:$Rt),
+ (ins addr_offset_none:$addr), "lda", "\t$Rt, $addr", []>;
+def t2LDAB : T2Ildacq<0b1101, 0b00, (outs rGPR:$Rt),
+ (ins addr_offset_none:$addr), "ldab", "\t$Rt, $addr", []>;
+def t2LDAH : T2Ildacq<0b1101, 0b01, (outs rGPR:$Rt),
+ (ins addr_offset_none:$addr), "ldah", "\t$Rt, $addr", []>;
+
// Store
defm t2STR :T2I_st<0b10,"str", IIC_iStore_i, IIC_iStore_si, GPR,
BinOpFrag<(store node:$LHS, node:$RHS)>>;
let mayStore = 1, neverHasSideEffects = 1 in {
def t2STR_PRE : T2Ipreldst<0, 0b10, 0, 1, (outs GPRnopc:$Rn_wb),
- (ins GPRnopc:$Rt, t2addrmode_imm8:$addr),
+ (ins GPRnopc:$Rt, t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iStore_iu,
"str", "\t$Rt, $addr!",
- "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
- let AsmMatchConverter = "cvtStWriteBackRegT2AddrModeImm8";
-}
+ "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []>;
+
def t2STRH_PRE : T2Ipreldst<0, 0b01, 0, 1, (outs GPRnopc:$Rn_wb),
- (ins rGPR:$Rt, t2addrmode_imm8:$addr),
+ (ins rGPR:$Rt, t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iStore_iu,
"strh", "\t$Rt, $addr!",
- "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
- let AsmMatchConverter = "cvtStWriteBackRegT2AddrModeImm8";
-}
+ "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []>;
def t2STRB_PRE : T2Ipreldst<0, 0b00, 0, 1, (outs GPRnopc:$Rn_wb),
- (ins rGPR:$Rt, t2addrmode_imm8:$addr),
+ (ins rGPR:$Rt, t2addrmode_imm8_pre:$addr),
AddrModeT2_i8, IndexModePre, IIC_iStore_bh_iu,
"strb", "\t$Rt, $addr!",
- "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
- let AsmMatchConverter = "cvtStWriteBackRegT2AddrModeImm8";
-}
+ "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []>;
} // mayStore = 1, neverHasSideEffects = 1
def t2STR_POST : T2Ipostldst<0, 0b10, 0, 0, (outs GPRnopc:$Rn_wb),
// For disassembly only.
def t2LDRD_PRE : T2Ii8s4<1, 1, 1, (outs rGPR:$Rt, rGPR:$Rt2, GPR:$wb),
- (ins t2addrmode_imm8s4:$addr), IIC_iLoad_d_ru,
+ (ins t2addrmode_imm8s4_pre:$addr), IIC_iLoad_d_ru,
"ldrd", "\t$Rt, $Rt2, $addr!", "$addr.base = $wb", []> {
- let AsmMatchConverter = "cvtT2LdrdPre";
let DecoderMethod = "DecodeT2LDRDPreInstruction";
}
"$addr.base = $wb", []>;
def t2STRD_PRE : T2Ii8s4<1, 1, 0, (outs GPR:$wb),
- (ins rGPR:$Rt, rGPR:$Rt2, t2addrmode_imm8s4:$addr),
+ (ins rGPR:$Rt, rGPR:$Rt2, t2addrmode_imm8s4_pre:$addr),
IIC_iStore_d_ru, "strd", "\t$Rt, $Rt2, $addr!",
"$addr.base = $wb", []> {
- let AsmMatchConverter = "cvtT2StrdPre";
let DecoderMethod = "DecodeT2STRDPreInstruction";
}
IIC_iStore_d_ru, "strd", "\t$Rt, $Rt2, $addr$imm",
"$addr.base = $wb", []>;
+class T2Istrrel<bits<2> bit54, dag oops, dag iops,
+ string opc, string asm, list<dag> pattern>
+ : Thumb2I<oops, iops, AddrModeNone, 4, NoItinerary, opc,
+ asm, "", pattern>, Requires<[IsThumb, HasV8]> {
+ bits<4> Rt;
+ bits<4> addr;
+
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001100;
+ let Inst{11-6} = 0b111110;
+ let Inst{5-4} = bit54;
+ let Inst{3-0} = 0b1111;
+
+ // Encode instruction operands
+ let Inst{19-16} = addr;
+ let Inst{15-12} = Rt;
+}
+
+def t2STL : T2Istrrel<0b10, (outs), (ins rGPR:$Rt, addr_offset_none:$addr),
+ "stl", "\t$Rt, $addr", []>;
+def t2STLB : T2Istrrel<0b00, (outs), (ins rGPR:$Rt, addr_offset_none:$addr),
+ "stlb", "\t$Rt, $addr", []>;
+def t2STLH : T2Istrrel<0b01, (outs), (ins rGPR:$Rt, addr_offset_none:$addr),
+ "stlh", "\t$Rt, $addr", []>;
+
// T2Ipl (Preload Data/Instruction) signals the memory system of possible future
// data/instruction access.
// instr_write is inverted for Thumb mode: (prefetch 3) -> (preload 0),
def i12 : T2Ii12<(outs), (ins t2addrmode_imm12:$addr), IIC_Preload, opc,
"\t$addr",
- [(ARMPreload t2addrmode_imm12:$addr, (i32 write), (i32 instr))]> {
+ [(ARMPreload t2addrmode_imm12:$addr, (i32 write), (i32 instr))]>,
+ Sched<[WritePreLd]> {
let Inst{31-25} = 0b1111100;
let Inst{24} = instr;
+ let Inst{23} = 1;
let Inst{22} = 0;
let Inst{21} = write;
let Inst{20} = 1;
let Inst{15-12} = 0b1111;
bits<17> addr;
- let addr{12} = 1; // add = TRUE
let Inst{19-16} = addr{16-13}; // Rn
- let Inst{23} = addr{12}; // U
let Inst{11-0} = addr{11-0}; // imm12
+
+ let DecoderMethod = "DecodeT2LoadImm12";
}
def i8 : T2Ii8<(outs), (ins t2addrmode_negimm8:$addr), IIC_Preload, opc,
"\t$addr",
- [(ARMPreload t2addrmode_negimm8:$addr, (i32 write), (i32 instr))]> {
+ [(ARMPreload t2addrmode_negimm8:$addr, (i32 write), (i32 instr))]>,
+ Sched<[WritePreLd]> {
let Inst{31-25} = 0b1111100;
let Inst{24} = instr;
let Inst{23} = 0; // U = 0
bits<13> addr;
let Inst{19-16} = addr{12-9}; // Rn
let Inst{7-0} = addr{7-0}; // imm8
+
+ let DecoderMethod = "DecodeT2LoadImm8";
}
def s : T2Iso<(outs), (ins t2addrmode_so_reg:$addr), IIC_Preload, opc,
"\t$addr",
- [(ARMPreload t2addrmode_so_reg:$addr, (i32 write), (i32 instr))]> {
+ [(ARMPreload t2addrmode_so_reg:$addr, (i32 write), (i32 instr))]>,
+ Sched<[WritePreLd]> {
let Inst{31-25} = 0b1111100;
let Inst{24} = instr;
let Inst{23} = 0; // add = TRUE for T1
let Inst{21} = write;
let Inst{20} = 1;
let Inst{15-12} = 0b1111;
- let Inst{11-6} = 0000000;
+ let Inst{11-6} = 0b000000;
bits<10> addr;
let Inst{19-16} = addr{9-6}; // Rn
let DecoderMethod = "DecodeT2LoadShift";
}
- // FIXME: We should have a separate 'pci' variant here. As-is we represent
- // it via the i12 variant, which it's related to, but that means we can
- // represent negative immediates, which aren't legal for anything except
- // the 'pci' case (Rn == 15).
}
-defm t2PLD : T2Ipl<0, 0, "pld">, Requires<[IsThumb2]>;
-defm t2PLDW : T2Ipl<1, 0, "pldw">, Requires<[IsThumb2,HasV7,HasMP]>;
-defm t2PLI : T2Ipl<0, 1, "pli">, Requires<[IsThumb2,HasV7]>;
+defm t2PLD : T2Ipl<0, 0, "pld">, Requires<[IsThumb2]>;
+defm t2PLDW : T2Ipl<1, 0, "pldw">, Requires<[IsThumb2,HasV7,HasMP]>;
+defm t2PLI : T2Ipl<0, 1, "pli">, Requires<[IsThumb2,HasV7]>;
+
+// pci variant is very similar to i12, but supports negative offsets
+// from the PC. Only PLD and PLI have pci variants (not PLDW)
+class T2Iplpci<bits<1> inst, string opc> : T2Iso<(outs), (ins t2ldrlabel:$addr),
+ IIC_Preload, opc, "\t$addr",
+ [(ARMPreload (ARMWrapper tconstpool:$addr),
+ (i32 0), (i32 inst))]>, Sched<[WritePreLd]> {
+ let Inst{31-25} = 0b1111100;
+ let Inst{24} = inst;
+ let Inst{22-20} = 0b001;
+ let Inst{19-16} = 0b1111;
+ let Inst{15-12} = 0b1111;
+
+ bits<13> addr;
+ let Inst{23} = addr{12}; // add = (U == '1')
+ let Inst{11-0} = addr{11-0}; // imm12
+
+ let DecoderMethod = "DecodeT2LoadLabel";
+}
+
+def t2PLDpci : T2Iplpci<0, "pld">, Requires<[IsThumb2]>;
+def t2PLIpci : T2Iplpci<1, "pli">, Requires<[IsThumb2,HasV7]>;
//===----------------------------------------------------------------------===//
// Load / store multiple Instructions.
let neverHasSideEffects = 1 in
def t2MOVr : T2sTwoReg<(outs GPRnopc:$Rd), (ins GPR:$Rm), IIC_iMOVr,
- "mov", ".w\t$Rd, $Rm", []> {
+ "mov", ".w\t$Rd, $Rm", []>, Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
AddedComplexity = 1 in
def t2MOVi : T2sOneRegImm<(outs rGPR:$Rd), (ins t2_so_imm:$imm), IIC_iMOVi,
"mov", ".w\t$Rd, $imm",
- [(set rGPR:$Rd, t2_so_imm:$imm)]> {
+ [(set rGPR:$Rd, t2_so_imm:$imm)]>, Sched<[WriteALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = 0b0010;
let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
def t2MOVi16 : T2I<(outs rGPR:$Rd), (ins imm0_65535_expr:$imm), IIC_iMOVi,
"movw", "\t$Rd, $imm",
- [(set rGPR:$Rd, imm0_65535:$imm)]> {
+ [(set rGPR:$Rd, imm0_65535:$imm)]>, Sched<[WriteALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-21} = 0b0010;
let DecoderMethod = "DecodeT2MOVTWInstruction";
}
+def : t2InstAlias<"mov${p} $Rd, $imm",
+ (t2MOVi16 rGPR:$Rd, imm256_65535_expr:$imm, pred:$p)>;
+
def t2MOVi16_ga_pcrel : PseudoInst<(outs rGPR:$Rd),
(ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
(ins rGPR:$src, imm0_65535_expr:$imm), IIC_iMOVi,
"movt", "\t$Rd, $imm",
[(set rGPR:$Rd,
- (or (and rGPR:$src, 0xffff), lo16AllZero:$imm))]> {
+ (or (and rGPR:$src, 0xffff), lo16AllZero:$imm))]>,
+ Sched<[WriteALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-21} = 0b0110;
}
def t2MOVTi16_ga_pcrel : PseudoInst<(outs rGPR:$Rd),
- (ins rGPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
+ (ins rGPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
+ Sched<[WriteALU]>;
} // Constraints
def : T2Pat<(or rGPR:$src, 0xffff0000), (t2MOVTi16 rGPR:$src, 0xffff)>;
// The AddedComplexity preferences the first variant over the others since
// it can be shrunk to a 16-bit wide encoding, while the others cannot.
let AddedComplexity = 1 in
-def : T2Pat<(add GPR:$src, imm0_255_neg:$imm),
- (t2SUBri GPR:$src, imm0_255_neg:$imm)>;
+def : T2Pat<(add GPR:$src, imm1_255_neg:$imm),
+ (t2SUBri GPR:$src, imm1_255_neg:$imm)>;
def : T2Pat<(add GPR:$src, t2_so_imm_neg:$imm),
(t2SUBri GPR:$src, t2_so_imm_neg:$imm)>;
def : T2Pat<(add GPR:$src, imm0_4095_neg:$imm),
(t2SUBrr GPR:$src, (t2MOVi16 (imm_neg_XFORM imm:$imm)))>;
let AddedComplexity = 1 in
-def : T2Pat<(ARMaddc rGPR:$src, imm0_255_neg:$imm),
- (t2SUBSri rGPR:$src, imm0_255_neg:$imm)>;
+def : T2Pat<(ARMaddc rGPR:$src, imm1_255_neg:$imm),
+ (t2SUBSri rGPR:$src, imm1_255_neg:$imm)>;
def : T2Pat<(ARMaddc rGPR:$src, t2_so_imm_neg:$imm),
(t2SUBSri rGPR:$src, t2_so_imm_neg:$imm)>;
def : T2Pat<(ARMaddc rGPR:$src, imm0_65535_neg:$imm),
def : T2Pat<(ARMadde rGPR:$src, t2_so_imm_not:$imm, CPSR),
(t2SBCri rGPR:$src, t2_so_imm_not:$imm)>;
def : T2Pat<(ARMadde rGPR:$src, imm0_65535_neg:$imm, CPSR),
- (t2SBCrr rGPR:$src, (t2MOVi16 (imm_neg_XFORM imm:$imm)))>;
+ (t2SBCrr rGPR:$src, (t2MOVi16 (imm_not_XFORM imm:$imm)))>;
// Select Bytes -- for disassembly only
let Uses = [CPSR] in {
def t2RRX : T2sTwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi,
"rrx", "\t$Rd, $Rm",
- [(set rGPR:$Rd, (ARMrrx rGPR:$Rm))]> {
+ [(set rGPR:$Rd, (ARMrrx rGPR:$Rm))]>, Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
def t2MOVsrl_flag : T2TwoRegShiftImm<
(outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi,
"lsrs", ".w\t$Rd, $Rm, #1",
- [(set rGPR:$Rd, (ARMsrl_flag rGPR:$Rm))]> {
+ [(set rGPR:$Rd, (ARMsrl_flag rGPR:$Rm))]>,
+ Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
def t2MOVsra_flag : T2TwoRegShiftImm<
(outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi,
"asrs", ".w\t$Rd, $Rm, #1",
- [(set rGPR:$Rd, (ARMsra_flag rGPR:$Rm))]> {
+ [(set rGPR:$Rd, (ARMsra_flag rGPR:$Rm))]>,
+ Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
/// changed to modify CPSR.
multiclass T2I_un_irs<bits<4> opcod, string opc,
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
- PatFrag opnode, bit Cheap = 0, bit ReMat = 0> {
+ PatFrag opnode,
+ bit Cheap = 0, bit ReMat = 0, bit MoveImm = 0> {
// shifted imm
def i : T2sOneRegImm<(outs rGPR:$Rd), (ins t2_so_imm:$imm), iii,
opc, "\t$Rd, $imm",
- [(set rGPR:$Rd, (opnode t2_so_imm:$imm))]> {
+ [(set rGPR:$Rd, (opnode t2_so_imm:$imm))]>, Sched<[WriteALU]> {
let isAsCheapAsAMove = Cheap;
let isReMaterializable = ReMat;
+ let isMoveImm = MoveImm;
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
// register
def r : T2sTwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm), iir,
opc, ".w\t$Rd, $Rm",
- [(set rGPR:$Rd, (opnode rGPR:$Rm))]> {
+ [(set rGPR:$Rd, (opnode rGPR:$Rm))]>, Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
// shifted register
def s : T2sOneRegShiftedReg<(outs rGPR:$Rd), (ins t2_so_reg:$ShiftedRm), iis,
opc, ".w\t$Rd, $ShiftedRm",
- [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm))]> {
+ [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm))]>,
+ Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
let AddedComplexity = 1 in
defm t2MVN : T2I_un_irs <0b0011, "mvn",
IIC_iMVNi, IIC_iMVNr, IIC_iMVNsi,
- UnOpFrag<(not node:$Src)>, 1, 1>;
+ UnOpFrag<(not node:$Src)>, 1, 1, 1>;
let AddedComplexity = 1 in
def : T2Pat<(and rGPR:$src, t2_so_imm_not:$imm),
def t2MLA: T2FourReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
"mla", "\t$Rd, $Rn, $Rm, $Ra",
- [(set rGPR:$Rd, (add (mul rGPR:$Rn, rGPR:$Rm), rGPR:$Ra))]> {
+ [(set rGPR:$Rd, (add (mul rGPR:$Rn, rGPR:$Rm), rGPR:$Ra))]>,
+ Requires<[IsThumb2, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b000;
def t2MLS: T2FourReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
"mls", "\t$Rd, $Rn, $Rm, $Ra",
- [(set rGPR:$Rd, (sub rGPR:$Ra, (mul rGPR:$Rn, rGPR:$Rm)))]> {
+ [(set rGPR:$Rd, (sub rGPR:$Ra, (mul rGPR:$Rn, rGPR:$Rm)))]>,
+ Requires<[IsThumb2, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b000;
} // isCommutable
// Multiply + accumulate
-def t2SMLAL : T2MulLong<0b100, 0b0000,
+def t2SMLAL : T2MlaLong<0b100, 0b0000,
(outs rGPR:$RdLo, rGPR:$RdHi),
- (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64,
- "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
+ (ins rGPR:$Rn, rGPR:$Rm, rGPR:$RLo, rGPR:$RHi), IIC_iMAC64,
+ "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">;
-def t2UMLAL : T2MulLong<0b110, 0b0000,
+def t2UMLAL : T2MlaLong<0b110, 0b0000,
(outs rGPR:$RdLo, rGPR:$RdHi),
- (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64,
- "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
+ (ins rGPR:$Rn, rGPR:$Rm, rGPR:$RLo, rGPR:$RHi), IIC_iMAC64,
+ "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">;
def t2UMAAL : T2MulLong<0b110, 0b0110,
(outs rGPR:$RdLo, rGPR:$RdHi),
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
"smmla", "\t$Rd, $Rn, $Rm, $Ra",
[(set rGPR:$Rd, (add (mulhs rGPR:$Rm, rGPR:$Rn), rGPR:$Ra))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b101;
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
"smmls", "\t$Rd, $Rn, $Rm, $Ra",
[(set rGPR:$Rd, (sub rGPR:$Ra, (mulhs rGPR:$Rn, rGPR:$Rm)))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b110;
[(set rGPR:$Rd, (add rGPR:$Ra,
(opnode (sext_inreg rGPR:$Rn, i16),
(sext_inreg rGPR:$Rm, i16))))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
!strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
[(set rGPR:$Rd, (add rGPR:$Ra, (opnode (sext_inreg rGPR:$Rn, i16),
(sra rGPR:$Rm, (i32 16)))))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
!strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
[(set rGPR:$Rd, (add rGPR:$Ra, (opnode (sra rGPR:$Rn, (i32 16)),
(sext_inreg rGPR:$Rm, i16))))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
!strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
[(set rGPR:$Rd, (add rGPR:$Ra, (opnode (sra rGPR:$Rn, (i32 16)),
(sra rGPR:$Rm, (i32 16)))))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
!strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
[(set rGPR:$Rd, (add rGPR:$Ra, (sra (opnode rGPR:$Rn,
(sext_inreg rGPR:$Rm, i16)), (i32 16))))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b011;
!strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
[(set rGPR:$Rd, (add rGPR:$Ra, (sra (opnode rGPR:$Rn,
(sra rGPR:$Rm, (i32 16))), (i32 16))))]>,
- Requires<[IsThumb2, HasThumb2DSP]> {
+ Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b011;
// Division Instructions.
// Signed and unsigned division on v7-M
//
-def t2SDIV : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUi,
+def t2SDIV : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iDIV,
"sdiv", "\t$Rd, $Rn, $Rm",
[(set rGPR:$Rd, (sdiv rGPR:$Rn, rGPR:$Rm))]>,
Requires<[HasDivide, IsThumb2]> {
let Inst{7-4} = 0b1111;
}
-def t2UDIV : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUi,
+def t2UDIV : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iDIV,
"udiv", "\t$Rd, $Rn, $Rm",
[(set rGPR:$Rd, (udiv rGPR:$Rn, rGPR:$Rm))]>,
Requires<[HasDivide, IsThumb2]> {
}
def t2CLZ : T2I_misc<0b11, 0b00, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
- "clz", "\t$Rd, $Rm", [(set rGPR:$Rd, (ctlz rGPR:$Rm))]>;
+ "clz", "\t$Rd, $Rm", [(set rGPR:$Rd, (ctlz rGPR:$Rm))]>,
+ Sched<[WriteALU]>;
def t2RBIT : T2I_misc<0b01, 0b10, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
"rbit", "\t$Rd, $Rm",
- [(set rGPR:$Rd, (ARMrbit rGPR:$Rm))]>;
+ [(set rGPR:$Rd, (ARMrbit rGPR:$Rm))]>,
+ Sched<[WriteALU]>;
def t2REV : T2I_misc<0b01, 0b00, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
- "rev", ".w\t$Rd, $Rm", [(set rGPR:$Rd, (bswap rGPR:$Rm))]>;
+ "rev", ".w\t$Rd, $Rm", [(set rGPR:$Rd, (bswap rGPR:$Rm))]>,
+ Sched<[WriteALU]>;
def t2REV16 : T2I_misc<0b01, 0b01, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
"rev16", ".w\t$Rd, $Rm",
- [(set rGPR:$Rd, (rotr (bswap rGPR:$Rm), (i32 16)))]>;
+ [(set rGPR:$Rd, (rotr (bswap rGPR:$Rm), (i32 16)))]>,
+ Sched<[WriteALU]>;
def t2REVSH : T2I_misc<0b01, 0b11, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
"revsh", ".w\t$Rd, $Rm",
- [(set rGPR:$Rd, (sra (bswap rGPR:$Rm), (i32 16)))]>;
+ [(set rGPR:$Rd, (sra (bswap rGPR:$Rm), (i32 16)))]>,
+ Sched<[WriteALU]>;
def : T2Pat<(or (sra (shl rGPR:$Rm, (i32 24)), (i32 16)),
(and (srl rGPR:$Rm, (i32 8)), 0xFF)),
[(set rGPR:$Rd, (or (and rGPR:$Rn, 0xFFFF),
(and (shl rGPR:$Rm, pkh_lsl_amt:$sh),
0xFFFF0000)))]>,
- Requires<[HasT2ExtractPack, IsThumb2]> {
+ Requires<[HasT2ExtractPack, IsThumb2]>,
+ Sched<[WriteALUsi, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-20} = 0b01100;
[(set rGPR:$Rd, (or (and rGPR:$Rn, 0xFFFF0000),
(and (sra rGPR:$Rm, pkh_asr_amt:$sh),
0xFFFF)))]>,
- Requires<[HasT2ExtractPack, IsThumb2]> {
+ Requires<[HasT2ExtractPack, IsThumb2]>,
+ Sched<[WriteALUsi, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-20} = 0b01100;
// Alternate cases for PKHTB where identities eliminate some nodes. Note that
// a shift amount of 0 is *not legal* here, it is PKHBT instead.
-def : T2Pat<(or (and rGPR:$src1, 0xFFFF0000), (srl rGPR:$src2, imm16_31:$sh)),
+// We also can not replace a srl (17..31) by an arithmetic shift we would use in
+// pkhtb src1, src2, asr (17..31).
+def : T2Pat<(or (and rGPR:$src1, 0xFFFF0000), (srl rGPR:$src2, imm16:$sh)),
+ (t2PKHTB rGPR:$src1, rGPR:$src2, imm16:$sh)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : T2Pat<(or (and rGPR:$src1, 0xFFFF0000), (sra rGPR:$src2, imm16_31:$sh)),
(t2PKHTB rGPR:$src1, rGPR:$src2, imm16_31:$sh)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : T2Pat<(or (and rGPR:$src1, 0xFFFF0000),
(t2PKHTB rGPR:$src1, rGPR:$src2, imm1_15:$sh)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
+//===----------------------------------------------------------------------===//
+// CRC32 Instructions
+//
+// Polynomials:
+// + CRC32{B,H,W} 0x04C11DB7
+// + CRC32C{B,H,W} 0x1EDC6F41
+//
+
+class T2I_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
+ : T2ThreeRegNoP<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), NoItinerary,
+ !strconcat("crc32", suffix, "\t$Rd, $Rn, $Rm"),
+ [(set rGPR:$Rd, (builtin rGPR:$Rn, rGPR:$Rm))]>,
+ Requires<[IsThumb2, HasV8, HasCRC]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-21} = 0b010110;
+ let Inst{20} = C;
+ let Inst{15-12} = 0b1111;
+ let Inst{7-6} = 0b10;
+ let Inst{5-4} = sz;
+}
+
+def t2CRC32B : T2I_crc32<0, 0b00, "b", int_arm_crc32b>;
+def t2CRC32CB : T2I_crc32<1, 0b00, "cb", int_arm_crc32cb>;
+def t2CRC32H : T2I_crc32<0, 0b01, "h", int_arm_crc32h>;
+def t2CRC32CH : T2I_crc32<1, 0b01, "ch", int_arm_crc32ch>;
+def t2CRC32W : T2I_crc32<0, 0b10, "w", int_arm_crc32w>;
+def t2CRC32CW : T2I_crc32<1, 0b10, "cw", int_arm_crc32cw>;
+
//===----------------------------------------------------------------------===//
// Comparison Instructions...
//
def t2CMNri : T2OneRegCmpImm<
(outs), (ins GPRnopc:$Rn, t2_so_imm:$imm), IIC_iCMPi,
"cmn", ".w\t$Rn, $imm",
- [(ARMcmn GPRnopc:$Rn, (ineg t2_so_imm:$imm))]> {
+ [(ARMcmn GPRnopc:$Rn, (ineg t2_so_imm:$imm))]>,
+ Sched<[WriteCMP, ReadALU]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = 0b1000;
(outs), (ins GPRnopc:$Rn, rGPR:$Rm), IIC_iCMPr,
"cmn", ".w\t$Rn, $Rm",
[(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
- GPRnopc:$Rn, rGPR:$Rm)]> {
+ GPRnopc:$Rn, rGPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b1000;
(outs), (ins GPRnopc:$Rn, t2_so_reg:$ShiftedRm), IIC_iCMPsi,
"cmn", ".w\t$Rn, $ShiftedRm",
[(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
- GPRnopc:$Rn, t2_so_reg:$ShiftedRm)]> {
+ GPRnopc:$Rn, t2_so_reg:$ShiftedRm)]>,
+ Sched<[WriteCMPsi, ReadALU, ReadALU]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b1000;
BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>>;
// Conditional moves
-// FIXME: should be able to write a pattern for ARMcmov, but can't use
-// a two-value operand where a dag node expects two operands. :(
let neverHasSideEffects = 1 in {
-let isCommutable = 1, usesCustomInserter = 1 in
+let isCommutable = 1, isSelect = 1 in
def t2MOVCCr : t2PseudoInst<(outs rGPR:$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 = $Rd">;
+ [(set rGPR:$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 = $Rd">;
+ [(set rGPR:$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 = $Rd"> {
- let Inst{31-27} = 0b11110;
- let Inst{25} = 1;
- let Inst{24-21} = 0b0010;
- let Inst{20} = 0; // The S bit.
- let Inst{15} = 0;
-
- bits<4> Rd;
- bits<16> imm;
-
- let Inst{11-8} = Rd;
- let Inst{19-16} = imm{15-12};
- let Inst{26} = imm{11};
- let Inst{14-12} = imm{10-8};
- let Inst{7-0} = imm{7-0};
-}
+def t2MOVCCi16
+ : t2PseudoInst<(outs rGPR:$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 = $Rd"> {
- let Inst{31-27} = 0b11110;
- let Inst{25} = 0;
- let Inst{24-21} = 0b0011;
- let Inst{20} = 0; // The S bit.
- let Inst{19-16} = 0b1111; // Rn
- let Inst{15} = 0;
-}
-
-class T2I_movcc_sh<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
- string opc, string asm, list<dag> pattern>
- : T2TwoRegShiftImm<oops, iops, itin, opc, asm, pattern> {
- let Inst{31-27} = 0b11101;
- let Inst{26-25} = 0b01;
- let Inst{24-21} = 0b0010;
- let Inst{20} = 0; // The S bit.
- let Inst{19-16} = 0b1111; // Rn
- let Inst{5-4} = opcod; // Shift type.
-}
-def t2MOVCClsl : T2I_movcc_sh<0b00, (outs rGPR:$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 = $dst">;
} // isCodeGenOnly = 1
-multiclass T2I_bincc_irs<Instruction iri, Instruction irr, Instruction irs,
- InstrItinClass iii, InstrItinClass iir, InstrItinClass iis> {
- // shifted imm
- def ri : t2PseudoExpand<(outs rGPR:$Rd),
- (ins rGPR:$Rfalse, rGPR:$Rn, t2_so_imm:$imm,
- pred:$p, cc_out:$s),
- 4, iii, [],
- (iri rGPR:$Rd, rGPR:$Rn, t2_so_imm:$imm, pred:$p, cc_out:$s)>,
- RegConstraint<"$Rfalse = $Rd">;
- // register
- def rr : t2PseudoExpand<(outs rGPR:$Rd),
- (ins rGPR:$Rfalse, rGPR:$Rn, rGPR:$Rm,
- pred:$p, cc_out:$s),
- 4, iir, [],
- (irr rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, pred:$p, cc_out:$s)>,
- RegConstraint<"$Rfalse = $Rd">;
- // shifted register
- def rs : t2PseudoExpand<(outs rGPR:$Rd),
- (ins rGPR:$Rfalse, rGPR:$Rn, t2_so_reg:$ShiftedRm,
- pred:$p, cc_out:$s),
- 4, iis, [],
- (irs rGPR:$Rd, rGPR:$Rn, t2_so_reg:$ShiftedRm, pred:$p, cc_out:$s)>,
- RegConstraint<"$Rfalse = $Rd">;
-} // T2I_bincc_irs
-
-defm t2ANDCC : T2I_bincc_irs<t2ANDri, t2ANDrr, t2ANDrs,
- IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
-defm t2ORRCC : T2I_bincc_irs<t2ORRri, t2ORRrr, t2ORRrs,
- IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
-defm t2EORCC : T2I_bincc_irs<t2EORri, t2EORrr, t2EORrs,
- IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
} // neverHasSideEffects
//===----------------------------------------------------------------------===//
// memory barriers protect the atomic sequences
let hasSideEffects = 1 in {
-def t2DMB : AInoP<(outs), (ins memb_opt:$opt), ThumbFrm, NoItinerary,
- "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
- Requires<[IsThumb, HasDB]> {
+def t2DMB : T2I<(outs), (ins memb_opt:$opt), NoItinerary,
+ "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
+ Requires<[HasDB]> {
bits<4> opt;
let Inst{31-4} = 0xf3bf8f5;
let Inst{3-0} = opt;
}
}
-def t2DSB : AInoP<(outs), (ins memb_opt:$opt), ThumbFrm, NoItinerary,
- "dsb", "\t$opt", []>,
- Requires<[IsThumb, HasDB]> {
+def t2DSB : T2I<(outs), (ins memb_opt:$opt), NoItinerary,
+ "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
+ Requires<[HasDB]> {
bits<4> opt;
let Inst{31-4} = 0xf3bf8f4;
let Inst{3-0} = opt;
}
-def t2ISB : AInoP<(outs), (ins memb_opt:$opt), ThumbFrm, NoItinerary,
- "isb", "\t$opt",
- []>, Requires<[IsThumb, HasDB]> {
+def t2ISB : T2I<(outs), (ins instsyncb_opt:$opt), NoItinerary,
+ "isb", "\t$opt", []>, Requires<[HasDB]> {
bits<4> opt;
let Inst{31-4} = 0xf3bf8f6;
let Inst{3-0} = opt;
}
-class T2I_ldrex<bits<2> opcod, dag oops, dag iops, AddrMode am, int sz,
+class T2I_ldrex<bits<4> opcod, dag oops, dag iops, AddrMode am, int sz,
InstrItinClass itin, string opc, string asm, string cstr,
list<dag> pattern, bits<4> rt2 = 0b1111>
: Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> {
let Inst{31-27} = 0b11101;
let Inst{26-20} = 0b0001101;
let Inst{11-8} = rt2;
- let Inst{7-6} = 0b01;
- let Inst{5-4} = opcod;
+ let Inst{7-4} = opcod;
let Inst{3-0} = 0b1111;
bits<4> addr;
let Inst{19-16} = addr;
let Inst{15-12} = Rt;
}
-class T2I_strex<bits<2> opcod, dag oops, dag iops, AddrMode am, int sz,
+class T2I_strex<bits<4> opcod, dag oops, dag iops, AddrMode am, int sz,
InstrItinClass itin, string opc, string asm, string cstr,
list<dag> pattern, bits<4> rt2 = 0b1111>
: Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> {
let Inst{31-27} = 0b11101;
let Inst{26-20} = 0b0001100;
let Inst{11-8} = rt2;
- let Inst{7-6} = 0b01;
- let Inst{5-4} = opcod;
+ let Inst{7-4} = opcod;
bits<4> Rd;
bits<4> addr;
}
let mayLoad = 1 in {
-def t2LDREXB : T2I_ldrex<0b00, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
+def t2LDREXB : T2I_ldrex<0b0100, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
AddrModeNone, 4, NoItinerary,
- "ldrexb", "\t$Rt, $addr", "", []>;
-def t2LDREXH : T2I_ldrex<0b01, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
+ "ldrexb", "\t$Rt, $addr", "",
+ [(set rGPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
+def t2LDREXH : T2I_ldrex<0b0101, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
AddrModeNone, 4, NoItinerary,
- "ldrexh", "\t$Rt, $addr", "", []>;
+ "ldrexh", "\t$Rt, $addr", "",
+ [(set rGPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
def t2LDREX : Thumb2I<(outs rGPR:$Rt), (ins t2addrmode_imm0_1020s4:$addr),
AddrModeNone, 4, NoItinerary,
- "ldrex", "\t$Rt, $addr", "", []> {
+ "ldrex", "\t$Rt, $addr", "",
+ [(set rGPR:$Rt, (ldrex_4 t2addrmode_imm0_1020s4:$addr))]> {
bits<4> Rt;
bits<12> addr;
let Inst{31-27} = 0b11101;
let Inst{7-0} = addr{7-0};
}
let hasExtraDefRegAllocReq = 1 in
-def t2LDREXD : T2I_ldrex<0b11, (outs rGPR:$Rt, rGPR:$Rt2),
+def t2LDREXD : T2I_ldrex<0b0111, (outs rGPR:$Rt, rGPR:$Rt2),
(ins addr_offset_none:$addr),
AddrModeNone, 4, NoItinerary,
"ldrexd", "\t$Rt, $Rt2, $addr", "",
bits<4> Rt2;
let Inst{11-8} = Rt2;
}
+def t2LDAEXB : T2I_ldrex<0b1100, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "ldaexb", "\t$Rt, $addr", "",
+ []>, Requires<[IsThumb, HasV8]>;
+def t2LDAEXH : T2I_ldrex<0b1101, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "ldaexh", "\t$Rt, $addr", "",
+ []>, Requires<[IsThumb, HasV8]>;
+def t2LDAEX : Thumb2I<(outs rGPR:$Rt), (ins addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "ldaex", "\t$Rt, $addr", "",
+ []>, Requires<[IsThumb, HasV8]> {
+ bits<4> Rt;
+ bits<4> addr;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001101;
+ let Inst{19-16} = addr;
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = 0b1111;
+ let Inst{7-0} = 0b11101111;
+}
+let hasExtraDefRegAllocReq = 1 in
+def t2LDAEXD : T2I_ldrex<0b1111, (outs rGPR:$Rt, rGPR:$Rt2),
+ (ins addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "ldaexd", "\t$Rt, $Rt2, $addr", "",
+ [], {?, ?, ?, ?}>, Requires<[IsThumb, HasV8]> {
+ bits<4> Rt2;
+ let Inst{11-8} = Rt2;
+
+ let Inst{7} = 1;
+}
}
let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
-def t2STREXB : T2I_strex<0b00, (outs rGPR:$Rd),
+def t2STREXB : T2I_strex<0b0100, (outs rGPR:$Rd),
(ins rGPR:$Rt, addr_offset_none:$addr),
AddrModeNone, 4, NoItinerary,
- "strexb", "\t$Rd, $Rt, $addr", "", []>;
-def t2STREXH : T2I_strex<0b01, (outs rGPR:$Rd),
+ "strexb", "\t$Rd, $Rt, $addr", "",
+ [(set rGPR:$Rd, (strex_1 rGPR:$Rt,
+ addr_offset_none:$addr))]>;
+def t2STREXH : T2I_strex<0b0101, (outs rGPR:$Rd),
(ins rGPR:$Rt, addr_offset_none:$addr),
AddrModeNone, 4, NoItinerary,
- "strexh", "\t$Rd, $Rt, $addr", "", []>;
+ "strexh", "\t$Rd, $Rt, $addr", "",
+ [(set rGPR:$Rd, (strex_2 rGPR:$Rt,
+ addr_offset_none:$addr))]>;
+
def t2STREX : Thumb2I<(outs rGPR:$Rd), (ins rGPR:$Rt,
t2addrmode_imm0_1020s4:$addr),
AddrModeNone, 4, NoItinerary,
"strex", "\t$Rd, $Rt, $addr", "",
- []> {
+ [(set rGPR:$Rd, (strex_4 rGPR:$Rt,
+ t2addrmode_imm0_1020s4:$addr))]> {
bits<4> Rd;
bits<4> Rt;
bits<12> addr;
let Inst{7-0} = addr{7-0};
}
let hasExtraSrcRegAllocReq = 1 in
-def t2STREXD : T2I_strex<0b11, (outs rGPR:$Rd),
+def t2STREXD : T2I_strex<0b0111, (outs rGPR:$Rd),
(ins rGPR:$Rt, rGPR:$Rt2, addr_offset_none:$addr),
AddrModeNone, 4, NoItinerary,
"strexd", "\t$Rd, $Rt, $Rt2, $addr", "", [],
bits<4> Rt2;
let Inst{11-8} = Rt2;
}
+def t2STLEXB : T2I_strex<0b1100, (outs rGPR:$Rd),
+ (ins rGPR:$Rt, addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "stlexb", "\t$Rd, $Rt, $addr", "",
+ []>, Requires<[IsThumb, HasV8]>;
+
+def t2STLEXH : T2I_strex<0b1101, (outs rGPR:$Rd),
+ (ins rGPR:$Rt, addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "stlexh", "\t$Rd, $Rt, $addr", "",
+ []>, Requires<[IsThumb, HasV8]>;
+
+def t2STLEX : Thumb2I<(outs rGPR:$Rd), (ins rGPR:$Rt,
+ addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "stlex", "\t$Rd, $Rt, $addr", "",
+ []>, Requires<[IsThumb, HasV8]> {
+ bits<4> Rd;
+ bits<4> Rt;
+ bits<4> addr;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001100;
+ let Inst{19-16} = addr;
+ let Inst{15-12} = Rt;
+ let Inst{11-4} = 0b11111110;
+ let Inst{3-0} = Rd;
+}
+let hasExtraSrcRegAllocReq = 1 in
+def t2STLEXD : T2I_strex<0b1111, (outs rGPR:$Rd),
+ (ins rGPR:$Rt, rGPR:$Rt2, addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "stlexd", "\t$Rd, $Rt, $Rt2, $addr", "", [],
+ {?, ?, ?, ?}>, Requires<[IsThumb, HasV8]> {
+ bits<4> Rt2;
+ let Inst{11-8} = Rt2;
+}
}
-def t2CLREX : T2I<(outs), (ins), NoItinerary, "clrex", "", []>,
+def t2CLREX : T2I<(outs), (ins), NoItinerary, "clrex", "", [(int_arm_clrex)]>,
Requires<[IsThumb2, HasV7]> {
let Inst{31-16} = 0xf3bf;
let Inst{15-14} = 0b10;
let Inst{3-0} = 0b1111;
}
+def : T2Pat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
+ (t2LDREXB addr_offset_none:$addr)>;
+def : T2Pat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
+ (t2LDREXH addr_offset_none:$addr)>;
+def : T2Pat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
+ (t2STREXB GPR:$Rt, addr_offset_none:$addr)>;
+def : T2Pat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
+ (t2STREXH GPR:$Rt, addr_offset_none:$addr)>;
+
//===----------------------------------------------------------------------===//
// SJLJ Exception handling intrinsics
// eh_sjlj_setjmp() is an instruction sequence to store the return
let isPredicable = 1 in
def t2B : T2I<(outs), (ins uncondbrtarget:$target), IIC_Br,
"b", ".w\t$target",
- [(br bb:$target)]> {
+ [(br bb:$target)]>, Sched<[WriteBr]> {
let Inst{31-27} = 0b11110;
let Inst{15-14} = 0b10;
let Inst{12} = 1;
- bits<20> target;
- let Inst{26} = target{19};
- let Inst{11} = target{18};
- let Inst{13} = target{17};
- let Inst{21-16} = target{16-11};
+ bits<24> target;
+ let Inst{26} = target{23};
+ let Inst{13} = target{22};
+ let Inst{11} = target{21};
+ let Inst{25-16} = target{20-11};
let Inst{10-0} = target{10-0};
let DecoderMethod = "DecodeT2BInstruction";
-}
+ let AsmMatchConverter = "cvtThumbBranches";
+}
let isNotDuplicable = 1, isIndirectBranch = 1 in {
def t2BR_JT : t2PseudoInst<(outs),
(ins GPR:$target, GPR:$index, i32imm:$jt, i32imm:$id),
0, IIC_Br,
- [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt, imm:$id)]>;
+ [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt, imm:$id)]>,
+ Sched<[WriteBr]>;
// FIXME: Add a non-pc based case that can be predicated.
def t2TBB_JT : t2PseudoInst<(outs),
- (ins GPR:$index, i32imm:$jt, i32imm:$id), 0, IIC_Br, []>;
+ (ins GPR:$index, i32imm:$jt, i32imm:$id), 0, IIC_Br, []>,
+ Sched<[WriteBr]>;
def t2TBH_JT : t2PseudoInst<(outs),
- (ins GPR:$index, i32imm:$jt, i32imm:$id), 0, IIC_Br, []>;
+ (ins GPR:$index, i32imm:$jt, i32imm:$id), 0, IIC_Br, []>,
+ Sched<[WriteBr]>;
def t2TBB : T2I<(outs), (ins addrmode_tbb:$addr), IIC_Br,
- "tbb", "\t$addr", []> {
+ "tbb", "\t$addr", []>, Sched<[WriteBrTbl]> {
bits<4> Rn;
bits<4> Rm;
let Inst{31-20} = 0b111010001101;
}
def t2TBH : T2I<(outs), (ins addrmode_tbh:$addr), IIC_Br,
- "tbh", "\t$addr", []> {
+ "tbh", "\t$addr", []>, Sched<[WriteBrTbl]> {
bits<4> Rn;
bits<4> Rm;
let Inst{31-20} = 0b111010001101;
let isBranch = 1, isTerminator = 1 in
def t2Bcc : T2I<(outs), (ins brtarget:$target), IIC_Br,
"b", ".w\t$target",
- [/*(ARMbrcond bb:$target, imm:$cc)*/]> {
+ [/*(ARMbrcond bb:$target, imm:$cc)*/]>, Sched<[WriteBr]> {
let Inst{31-27} = 0b11110;
let Inst{15-14} = 0b10;
let Inst{12} = 0;
let Inst{10-0} = target{11-1};
let DecoderMethod = "DecodeThumb2BCCInstruction";
+ let AsmMatchConverter = "cvtThumbBranches";
}
-// Tail calls. The IOS version of thumb tail calls uses a t2 branch, so
+// Tail calls. The MachO version of thumb tail calls uses a t2 branch, so
// it goes here.
let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
// IOS version.
(ins uncondbrtarget:$dst, pred:$p),
4, IIC_Br, [],
(t2B uncondbrtarget:$dst, pred:$p)>,
- Requires<[IsThumb2, IsIOS]>;
+ Requires<[IsThumb2, IsMachO]>, Sched<[WriteBr]>;
}
-let isCall = 1, Defs = [LR], Uses = [SP] in {
- // mov lr, pc; b if callee is marked noreturn to avoid confusing the
- // return stack predictor.
- def t2BMOVPCB_CALL : tPseudoInst<(outs),
- (ins t_bltarget:$func),
- 6, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
- Requires<[IsThumb]>;
-}
-
-// Direct calls
-def : T2Pat<(ARMcall_nolink texternalsym:$func),
- (t2BMOVPCB_CALL texternalsym:$func)>,
- Requires<[IsThumb]>;
-
// IT block
let Defs = [ITSTATE] in
def t2IT : Thumb2XI<(outs), (ins it_pred:$cc, it_mask:$mask),
AddrModeNone, 2, IIC_iALUx,
- "it$mask\t$cc", "", []> {
+ "it$mask\t$cc", "", []>,
+ ComplexDeprecationPredicate<"IT"> {
// 16-bit instruction.
let Inst{31-16} = 0x0000;
let Inst{15-8} = 0b10111111;
// Branch and Exchange Jazelle -- for disassembly only
// Rm = Inst{19-16}
-def t2BXJ : T2I<(outs), (ins rGPR:$func), NoItinerary, "bxj", "\t$func", []> {
+def t2BXJ : T2I<(outs), (ins rGPR:$func), NoItinerary, "bxj", "\t$func", []>,
+ Sched<[WriteBr]> {
bits<4> func;
let Inst{31-27} = 0b11110;
let Inst{26} = 0;
def tCBZ : T1I<(outs), (ins tGPR:$Rn, t_cbtarget:$target), IIC_Br,
"cbz\t$Rn, $target", []>,
T1Misc<{0,0,?,1,?,?,?}>,
- Requires<[IsThumb2]> {
+ Requires<[IsThumb2]>, Sched<[WriteBr]> {
// A8.6.27
bits<6> target;
bits<3> Rn;
def tCBNZ : T1I<(outs), (ins tGPR:$Rn, t_cbtarget:$target), IIC_Br,
"cbnz\t$Rn, $target", []>,
T1Misc<{1,0,?,1,?,?,?}>,
- Requires<[IsThumb2]> {
+ Requires<[IsThumb2]>, Sched<[WriteBr]> {
// A8.6.27
bits<6> target;
bits<3> Rn;
bits<5> mode;
bit M;
- let Inst{31-27} = 0b11110;
- let Inst{26} = 0;
- let Inst{25-20} = 0b111010;
- let Inst{19-16} = 0b1111;
- let Inst{15-14} = 0b10;
- let Inst{12} = 0;
+ let Inst{31-11} = 0b111100111010111110000;
let Inst{10-9} = imod;
let Inst{8} = M;
let Inst{7-5} = iflags;
let M = 1 in
def t2CPS3p : t2CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
- "$imod.w\t$iflags, $mode">;
+ "$imod\t$iflags, $mode">;
let mode = 0, M = 0 in
def t2CPS2p : t2CPS<(ins imod_op:$imod, iflags_op:$iflags),
"$imod.w\t$iflags">;
let imod = 0, iflags = 0, M = 1 in
def t2CPS1p : t2CPS<(ins imm0_31:$mode), "\t$mode">;
+def : t2InstAlias<"cps$imod.w $iflags, $mode",
+ (t2CPS3p imod_op:$imod, iflags_op:$iflags, i32imm:$mode), 0>;
+def : t2InstAlias<"cps.w $mode", (t2CPS1p imm0_31:$mode), 0>;
+
// A6.3.4 Branches and miscellaneous control
// Table A6-14 Change Processor State, and hint instructions
-def t2HINT : T2I<(outs), (ins imm0_255:$imm), NoItinerary, "hint", "\t$imm",[]>{
+def t2HINT : T2I<(outs), (ins imm0_239:$imm), NoItinerary, "hint", ".w\t$imm",[]> {
bits<8> imm;
- let Inst{31-8} = 0b111100111010111110000000;
+ let Inst{31-3} = 0b11110011101011111000000000000;
let Inst{7-0} = imm;
}
-def : t2InstAlias<"hint$p.w $imm", (t2HINT imm0_255:$imm, pred:$p)>;
+def : t2InstAlias<"hint$p $imm", (t2HINT imm0_239:$imm, pred:$p)>;
def : t2InstAlias<"nop$p.w", (t2HINT 0, pred:$p)>;
def : t2InstAlias<"yield$p.w", (t2HINT 1, pred:$p)>;
def : t2InstAlias<"wfe$p.w", (t2HINT 2, pred:$p)>;
def : t2InstAlias<"wfi$p.w", (t2HINT 3, pred:$p)>;
def : t2InstAlias<"sev$p.w", (t2HINT 4, pred:$p)>;
+def : t2InstAlias<"sevl$p.w", (t2HINT 5, pred:$p)> {
+ let Predicates = [IsThumb2, HasV8];
+}
def t2DBG : T2I<(outs), (ins imm0_15:$opt), NoItinerary, "dbg", "\t$opt", []> {
bits<4> opt;
// Secure Monitor Call is a system instruction.
// Option = Inst{19-16}
-def t2SMC : T2I<(outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt", []> {
+def t2SMC : T2I<(outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
+ []>, Requires<[IsThumb2, HasTrustZone]> {
let Inst{31-27} = 0b11110;
let Inst{26-20} = 0b1111111;
let Inst{15-12} = 0b1000;
let Inst{19-16} = opt;
}
+class T2DCPS<bits<2> opt, string opc>
+ : T2I<(outs), (ins), NoItinerary, opc, "", []>, Requires<[IsThumb2, HasV8]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{26-20} = 0b1111000;
+ let Inst{19-16} = 0b1111;
+ let Inst{15-12} = 0b1000;
+ let Inst{11-2} = 0b0000000000;
+ let Inst{1-0} = opt;
+}
+
+def t2DCPS1 : T2DCPS<0b01, "dcps1">;
+def t2DCPS2 : T2DCPS<0b10, "dcps2">;
+def t2DCPS3 : T2DCPS<0b11, "dcps3">;
+
class T2SRS<bits<2> Op, bit W, dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
: T2I<oops, iops, itin, opc, asm, pattern> {
def t2SRSIA : T2SRS<0b11, 0, (outs), (ins imm0_31:$mode), NoItinerary,
"srsia","\tsp, $mode", []>;
+
+def : t2InstAlias<"srsdb${p} $mode", (t2SRSDB imm0_31:$mode, pred:$p)>;
+def : t2InstAlias<"srsdb${p} $mode!", (t2SRSDB_UPD imm0_31:$mode, pred:$p)>;
+
+def : t2InstAlias<"srsia${p} $mode", (t2SRSIA imm0_31:$mode, pred:$p)>;
+def : t2InstAlias<"srsia${p} $mode!", (t2SRSIA_UPD imm0_31:$mode, pred:$p)>;
+
// Return From Exception is a system instruction.
class T2RFE<bits<12> op31_20, dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
(outs), (ins GPR:$Rn), NoItinerary, "rfeia", "\t$Rn",
[/* For disassembly only; pattern left blank */]>;
+// B9.3.19 SUBS PC, LR, #imm (Thumb2) system instruction.
+// Exception return instruction is "subs pc, lr, #imm".
+let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
+def t2SUBS_PC_LR : T2I <(outs), (ins imm0_255:$imm), NoItinerary,
+ "subs", "\tpc, lr, $imm",
+ [(ARMintretflag imm0_255:$imm)]>,
+ Requires<[IsThumb2]> {
+ let Inst{31-8} = 0b111100111101111010001111;
+
+ bits<8> imm;
+ let Inst{7-0} = imm;
+}
+
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//
[(set rGPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
Requires<[IsThumb2, UseMovt]>;
-def t2MOV_ga_dyn : PseudoInst<(outs rGPR:$dst), (ins i32imm:$addr),
- IIC_iMOVix2,
- [(set rGPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
- Requires<[IsThumb2, UseMovt]>;
}
// ConstantPool, GlobalAddress, and JumpTable
-def : T2Pat<(ARMWrapper tglobaladdr :$dst), (t2LEApcrel tglobaladdr :$dst)>,
- Requires<[IsThumb2, DontUseMovt]>;
def : T2Pat<(ARMWrapper tconstpool :$dst), (t2LEApcrel tconstpool :$dst)>;
def : T2Pat<(ARMWrapper tglobaladdr :$dst), (t2MOVi32imm tglobaladdr :$dst)>,
Requires<[IsThumb2, UseMovt]>;
let DecoderMethod = "DecodeCopMemInstruction";
}
def _PRE : T2CI<op31_28,
- (outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
+ (outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
asm, "\t$cop, $CRd, $addr!"> {
bits<13> addr;
bits<4> cop;
defm t2LDCL : t2LdStCop<0b1110, 1, 1, "ldcl">;
defm t2STC : t2LdStCop<0b1110, 0, 0, "stc">;
defm t2STCL : t2LdStCop<0b1110, 0, 1, "stcl">;
-defm t2LDC2 : t2LdStCop<0b1111, 1, 0, "ldc2">;
-defm t2LDC2L : t2LdStCop<0b1111, 1, 1, "ldc2l">;
-defm t2STC2 : t2LdStCop<0b1111, 0, 0, "stc2">;
-defm t2STC2L : t2LdStCop<0b1111, 0, 1, "stc2l">;
+defm t2LDC2 : t2LdStCop<0b1111, 1, 0, "ldc2">, Requires<[PreV8]>;
+defm t2LDC2L : t2LdStCop<0b1111, 1, 1, "ldc2l">, Requires<[PreV8]>;
+defm t2STC2 : t2LdStCop<0b1111, 0, 0, "stc2">, Requires<[PreV8]>;
+defm t2STC2L : t2LdStCop<0b1111, 0, 1, "stc2l">, Requires<[PreV8]>;
//===----------------------------------------------------------------------===//
//
// A/R class can only move from CPSR or SPSR.
def t2MRS_AR : T2I<(outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, apsr",
- []>, Requires<[IsThumb2,IsARClass]> {
+ []>, Requires<[IsThumb2,IsNotMClass]> {
bits<4> Rd;
let Inst{31-12} = 0b11110011111011111000;
let Inst{11-8} = Rd;
def : t2InstAlias<"mrs${p} $Rd, cpsr", (t2MRS_AR GPR:$Rd, pred:$p)>;
def t2MRSsys_AR: T2I<(outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, spsr",
- []>, Requires<[IsThumb2,IsARClass]> {
+ []>, Requires<[IsThumb2,IsNotMClass]> {
bits<4> Rd;
let Inst{31-12} = 0b11110011111111111000;
let Inst{11-8} = Rd;
// the mask with the fields to be accessed in the special register.
def t2MSR_AR : T2I<(outs), (ins msr_mask:$mask, rGPR:$Rn),
NoItinerary, "msr", "\t$mask, $Rn", []>,
- Requires<[IsThumb2,IsARClass]> {
+ Requires<[IsThumb2,IsNotMClass]> {
bits<5> mask;
bits<4> Rn;
let Inst{31-21} = 0b11110011100;
class t2MovRCopro<bits<4> Op, string opc, bit direction, dag oops, dag iops,
list<dag> pattern>
- : T2Cop<Op, oops, iops,
- !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
+ : T2Cop<Op, oops, iops, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
pattern> {
let Inst{27-24} = 0b1110;
let Inst{20} = direction;
list<dag> pattern = []>
: T2Cop<Op, (outs),
(ins p_imm:$cop, imm0_15:$opc1, GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
- !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
+ opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
let Inst{27-24} = 0b1100;
let Inst{23-21} = 0b010;
let Inst{20} = direction;
(ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
c_imm:$CRm, imm0_7:$opc2),
[(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
- imm:$CRm, imm:$opc2)]>;
-def : t2InstAlias<"mcr $cop, $opc1, $Rt, $CRn, $CRm",
+ imm:$CRm, imm:$opc2)]>,
+ ComplexDeprecationPredicate<"MCR">;
+def : t2InstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
(t2MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
- c_imm:$CRm, 0)>;
+ c_imm:$CRm, 0, pred:$p)>;
def t2MCR2 : t2MovRCopro<0b1111, "mcr2", 0,
(outs), (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
c_imm:$CRm, imm0_7:$opc2),
[(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
- imm:$CRm, imm:$opc2)]>;
-def : t2InstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
+ imm:$CRm, imm:$opc2)]> {
+ let Predicates = [IsThumb2, PreV8];
+}
+def : t2InstAlias<"mcr2${p} $cop, $opc1, $Rt, $CRn, $CRm",
(t2MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
- c_imm:$CRm, 0)>;
+ c_imm:$CRm, 0, pred:$p)>;
/* from coprocessor to ARM core register */
def t2MRC : t2MovRCopro<0b1110, "mrc", 1,
- (outs GPR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
+ (outs GPRwithAPSR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
c_imm:$CRm, imm0_7:$opc2), []>;
-def : t2InstAlias<"mrc $cop, $opc1, $Rt, $CRn, $CRm",
- (t2MRC GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
- c_imm:$CRm, 0)>;
+def : t2InstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
+ (t2MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
+ c_imm:$CRm, 0, pred:$p)>;
def t2MRC2 : t2MovRCopro<0b1111, "mrc2", 1,
- (outs GPR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
- c_imm:$CRm, imm0_7:$opc2), []>;
-def : t2InstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
- (t2MRC2 GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
- c_imm:$CRm, 0)>;
+ (outs GPRwithAPSR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
+ c_imm:$CRm, imm0_7:$opc2), []> {
+ let Predicates = [IsThumb2, PreV8];
+}
+def : t2InstAlias<"mrc2${p} $cop, $opc1, $Rt, $CRn, $CRm",
+ (t2MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
+ c_imm:$CRm, 0, pred:$p)>;
def : T2v6Pat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
(t2MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
imm:$CRm)]>;
def t2MCRR2 : t2MovRRCopro<0b1111, "mcrr2", 0,
[(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt,
- GPR:$Rt2, imm:$CRm)]>;
+ GPR:$Rt2, imm:$CRm)]> {
+ let Predicates = [IsThumb2, PreV8];
+}
+
/* from coprocessor to ARM core register */
def t2MRRC : t2MovRRCopro<0b1110, "mrrc", 1>;
-def t2MRRC2 : t2MovRRCopro<0b1111, "mrrc2", 1>;
+def t2MRRC2 : t2MovRRCopro<0b1111, "mrrc2", 1> {
+ let Predicates = [IsThumb2, PreV8];
+}
//===----------------------------------------------------------------------===//
// Other Coprocessor Instructions.
//
-def tCDP : T2Cop<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
+def t2CDP : T2Cop<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
- "cdp\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
+ "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
[(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
imm:$CRm, imm:$opc2)]> {
let Inst{27-24} = 0b1110;
let Inst{15-12} = CRd;
let Inst{19-16} = CRn;
let Inst{23-20} = opc1;
+
+ let Predicates = [IsThumb2, PreV8];
}
def t2CDP2 : T2Cop<0b1111, (outs), (ins p_imm:$cop, imm0_15:$opc1,
c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
- "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
+ "cdp2", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
[(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
imm:$CRm, imm:$opc2)]> {
let Inst{27-24} = 0b1110;
let Inst{15-12} = CRd;
let Inst{19-16} = CRn;
let Inst{23-20} = opc1;
+
+ let Predicates = [IsThumb2, PreV8];
}
def : T2Pat<(atomic_store_32 t2addrmode_so_reg:$addr, GPR:$val),
(t2STRs GPR:$val, t2addrmode_so_reg:$addr)>;
+let AddedComplexity = 8 in {
+ def : T2Pat<(atomic_load_acquire_8 addr_offset_none:$addr), (t2LDAB addr_offset_none:$addr)>;
+ def : T2Pat<(atomic_load_acquire_16 addr_offset_none:$addr), (t2LDAH addr_offset_none:$addr)>;
+ def : T2Pat<(atomic_load_acquire_32 addr_offset_none:$addr), (t2LDA addr_offset_none:$addr)>;
+ def : T2Pat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (t2STLB GPR:$val, addr_offset_none:$addr)>;
+ def : T2Pat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (t2STLH GPR:$val, addr_offset_none:$addr)>;
+ def : T2Pat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (t2STL GPR:$val, addr_offset_none:$addr)>;
+}
+
//===----------------------------------------------------------------------===//
// Assembler aliases
// Aliases for ADD without the ".w" optional width specifier.
def : t2InstAlias<"add${s}${p} $Rd, $Rn, $imm",
- (t2ADDri GPRnopc:$Rd, GPRnopc:$Rn, t2_so_imm:$imm, pred:$p, cc_out:$s)>;
+ (t2ADDri GPRnopc:$Rd, GPRnopc:$Rn, t2_so_imm:$imm, pred:$p,
+ cc_out:$s)>;
def : t2InstAlias<"add${p} $Rd, $Rn, $imm",
(t2ADDri12 GPRnopc:$Rd, GPR:$Rn, imm0_4095:$imm, pred:$p)>;
def : t2InstAlias<"add${s}${p} $Rd, $Rn, $Rm",
(t2TSTrr GPRnopc:$Rn, rGPR:$Rm, pred:$p)>;
// Memory barriers
-def : InstAlias<"dmb", (t2DMB 0xf)>, Requires<[IsThumb, HasDB]>;
-def : InstAlias<"dsb", (t2DSB 0xf)>, Requires<[IsThumb, HasDB]>;
-def : InstAlias<"isb", (t2ISB 0xf)>, Requires<[IsThumb, HasDB]>;
+def : InstAlias<"dmb${p}", (t2DMB 0xf, pred:$p)>, Requires<[HasDB]>;
+def : InstAlias<"dsb${p}", (t2DSB 0xf, pred:$p)>, Requires<[HasDB]>;
+def : InstAlias<"isb${p}", (t2ISB 0xf, pred:$p)>, Requires<[HasDB]>;
// Alias for LDR, LDRB, LDRH, LDRSB, and LDRSH without the ".w" optional
// width specifier.
(t2LDRSHs rGPR:$Rt, t2addrmode_so_reg:$addr, pred:$p)>;
def : t2InstAlias<"ldr${p} $Rt, $addr",
- (t2LDRpci GPR:$Rt, t2ldrlabel:$addr, pred:$p)>;
+ (t2LDRpci rGPR:$Rt, t2ldrlabel:$addr, pred:$p)>;
def : t2InstAlias<"ldrb${p} $Rt, $addr",
(t2LDRBpci rGPR:$Rt, t2ldrlabel:$addr, pred:$p)>;
def : t2InstAlias<"ldrh${p} $Rt, $addr",
(t2MOVi rGPR:$Rd, t2_so_imm_not:$imm, pred:$p, zero_reg)>;
// Same for AND <--> BIC
def : t2InstAlias<"bic${s}${p} $Rd, $Rn, $imm",
- (t2ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
+ (t2ANDri rGPR:$Rd, rGPR:$Rn, t2_so_imm_not:$imm,
pred:$p, cc_out:$s)>;
def : t2InstAlias<"bic${s}${p} $Rdn, $imm",
- (t2ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
+ (t2ANDri rGPR:$Rdn, rGPR:$Rdn, t2_so_imm_not:$imm,
pred:$p, cc_out:$s)>;
def : t2InstAlias<"and${s}${p} $Rd, $Rn, $imm",
- (t2BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
+ (t2BICri rGPR:$Rd, rGPR:$Rn, t2_so_imm_not:$imm,
pred:$p, cc_out:$s)>;
def : t2InstAlias<"and${s}${p} $Rdn, $imm",
- (t2BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
+ (t2BICri rGPR:$Rdn, rGPR:$Rdn, t2_so_imm_not:$imm,
pred:$p, cc_out:$s)>;
// Likewise, "add Rd, t2_so_imm_neg" -> sub
def : t2InstAlias<"add${s}${p} $Rd, $Rn, $imm",
// LDR(literal) w/ alternate [pc, #imm] syntax.
def t2LDRpcrel : t2AsmPseudo<"ldr${p} $Rt, $addr",
- (ins GPRnopc:$Rt, t2ldr_pcrel_imm12:$addr, pred:$p)>;
+ (ins GPR:$Rt, t2ldr_pcrel_imm12:$addr, pred:$p)>;
def t2LDRBpcrel : t2AsmPseudo<"ldrb${p} $Rt, $addr",
(ins GPRnopc:$Rt, t2ldr_pcrel_imm12:$addr, pred:$p)>;
def t2LDRHpcrel : t2AsmPseudo<"ldrh${p} $Rt, $addr",
(ins GPRnopc:$Rt, t2ldr_pcrel_imm12:$addr, pred:$p)>;
// Version w/ the .w suffix.
def : t2InstAlias<"ldr${p}.w $Rt, $addr",
- (t2LDRpcrel GPRnopc:$Rt, t2ldr_pcrel_imm12:$addr, pred:$p)>;
+ (t2LDRpcrel GPR:$Rt, t2ldr_pcrel_imm12:$addr, pred:$p), 0>;
def : t2InstAlias<"ldrb${p}.w $Rt, $addr",
(t2LDRBpcrel GPRnopc:$Rt, t2ldr_pcrel_imm12:$addr, pred:$p)>;
def : t2InstAlias<"ldrh${p}.w $Rt, $addr",
def : t2InstAlias<"add${p} $Rd, pc, $imm",
(t2ADR rGPR:$Rd, imm0_4095:$imm, pred:$p)>;
+
+// PLD/PLDW/PLI with alternate literal form.
+def : t2InstAlias<"pld${p} $addr",
+ (t2PLDpci t2ldr_pcrel_imm12:$addr, pred:$p)>;
+def : InstAlias<"pli${p} $addr",
+ (t2PLIpci t2ldr_pcrel_imm12:$addr, pred:$p)>,
+ Requires<[IsThumb2,HasV7]>;