// Shifted operands. No register controlled shifts for Thumb2.
// Note: We do not support rrx shifted operands yet.
def t2_so_reg : Operand<i32>, // reg imm
- ComplexPattern<i32, 2, "SelectT2ShifterOperandReg",
+ ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
[shl,srl,sra,rotr]> {
let EncoderMethod = "getT2SORegOpValue";
let PrintMethod = "printT2SOOperand";
// t2_so_imm_not_XFORM - Return the complement of a t2_so_imm value
def t2_so_imm_not_XFORM : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(~((uint32_t)N->getZExtValue()), MVT::i32);
+ return CurDAG->getTargetConstant(~((uint32_t)N->getZExtValue()), SDLoc(N),
+ MVT::i32);
}]>;
// t2_so_imm_neg_XFORM - Return the negation of a t2_so_imm value
def t2_so_imm_neg_XFORM : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(-((int)N->getZExtValue()), MVT::i32);
+ return CurDAG->getTargetConstant(-((int)N->getZExtValue()), SDLoc(N),
+ MVT::i32);
}]>;
// so_imm_notSext_XFORM - Return a so_imm value packed into the format
def t2_so_imm_notSext16_XFORM : SDNodeXForm<imm, [{
APInt apIntN = N->getAPIntValue();
unsigned N16bitSignExt = apIntN.trunc(16).sext(32).getZExtValue();
- return CurDAG->getTargetConstant(~N16bitSignExt, MVT::i32);
+ return CurDAG->getTargetConstant(~N16bitSignExt, SDLoc(N), MVT::i32);
}]>;
// t2_so_imm - Match a 32-bit immediate operand, which is an
// t2addrmode_imm12 := reg + imm12
def t2addrmode_imm12_asmoperand : AsmOperandClass {let Name="MemUImm12Offset";}
-def t2addrmode_imm12 : Operand<i32>,
+def t2addrmode_imm12 : MemOperand,
ComplexPattern<i32, 2, "SelectT2AddrModeImm12", []> {
let PrintMethod = "printAddrModeImm12Operand<false>";
let EncoderMethod = "getAddrModeImm12OpValue";
// 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";
+def t2addrmode_posimm8 : MemOperand {
+ let PrintMethod = "printT2AddrModeImm8Operand<false>";
let EncoderMethod = "getT2AddrModeImm8OpValue";
let DecoderMethod = "DecodeT2AddrModeImm8";
let ParserMatchClass = MemPosImm8OffsetAsmOperand;
// t2addrmode_negimm8 := reg - imm8
def MemNegImm8OffsetAsmOperand : AsmOperandClass {let Name="MemNegImm8Offset";}
-def t2addrmode_negimm8 : Operand<i32>,
+def t2addrmode_negimm8 : MemOperand,
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 : MemOperand,
+ ComplexPattern<i32, 2, "SelectT2AddrModeImm8", []> {
let EncoderMethod = "getT2AddrModeImm8OpValue";
let DecoderMethod = "DecodeT2AddrModeImm8";
let ParserMatchClass = MemImm8OffsetAsmOperand;
let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
}
-def t2am_imm8_offset : Operand<i32>,
+def t2addrmode_imm8 : T2AddrMode_Imm8 {
+ let PrintMethod = "printT2AddrModeImm8Operand<false>";
+}
+
+def t2addrmode_imm8_pre : T2AddrMode_Imm8 {
+ let PrintMethod = "printT2AddrModeImm8Operand<true>";
+}
+
+def t2am_imm8_offset : MemOperand,
ComplexPattern<i32, 1, "SelectT2AddrModeImm8Offset",
[], [SDNPWantRoot]> {
let PrintMethod = "printT2AddrModeImm8OffsetOperand";
// t2addrmode_imm8s4 := reg +/- (imm8 << 2)
def MemImm8s4OffsetAsmOperand : AsmOperandClass {let Name = "MemImm8s4Offset";}
-def t2addrmode_imm8s4 : Operand<i32> {
- let PrintMethod = "printT2AddrModeImm8s4Operand";
+class T2AddrMode_Imm8s4 : MemOperand {
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> {
+def t2am_imm8s4_offset : MemOperand {
let PrintMethod = "printT2AddrModeImm8s4OffsetOperand";
let EncoderMethod = "getT2Imm8s4OpValue";
let DecoderMethod = "DecodeT2Imm8S4";
def MemImm0_1020s4OffsetAsmOperand : AsmOperandClass {
let Name = "MemImm0_1020s4Offset";
}
-def t2addrmode_imm0_1020s4 : Operand<i32> {
+def t2addrmode_imm0_1020s4 : MemOperand,
+ ComplexPattern<i32, 2, "SelectT2AddrModeExclusive"> {
let PrintMethod = "printT2AddrModeImm0_1020s4Operand";
let EncoderMethod = "getT2AddrModeImm0_1020s4OpValue";
let DecoderMethod = "DecodeT2AddrModeImm0_1020s4";
// t2addrmode_so_reg := reg + (reg << imm2)
def t2addrmode_so_reg_asmoperand : AsmOperandClass {let Name="T2MemRegOffset";}
-def t2addrmode_so_reg : Operand<i32>,
+def t2addrmode_so_reg : MemOperand,
ComplexPattern<i32, 3, "SelectT2AddrModeSoReg", []> {
let PrintMethod = "printT2AddrModeSoRegOperand";
let EncoderMethod = "getT2AddrModeSORegOpValue";
// Addresses for the TBB/TBH instructions.
def addrmode_tbb_asmoperand : AsmOperandClass { let Name = "MemTBB"; }
-def addrmode_tbb : Operand<i32> {
+def addrmode_tbb : MemOperand {
let PrintMethod = "printAddrModeTBB";
let ParserMatchClass = addrmode_tbb_asmoperand;
let MIOperandInfo = (ops GPR:$Rn, rGPR:$Rm);
}
def addrmode_tbh_asmoperand : AsmOperandClass { let Name = "MemTBH"; }
-def addrmode_tbh : Operand<i32> {
+def addrmode_tbh : MemOperand {
let PrintMethod = "printAddrModeTBH";
let ParserMatchClass = addrmode_tbh_asmoperand;
let MIOperandInfo = (ops GPR:$Rn, rGPR:$Rm);
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{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, $addr",
let Inst{31-27} = 0b11111;
let Inst{26-25} = 0b00;
let Inst{24} = signed;
- let Inst{23} = ?; // add = (U == '1')
let Inst{22-21} = opcod;
let Inst{20} = 1; // load
let Inst{19-16} = 0b1111; // Rn
+
bits<4> Rt;
- bits<12> addr;
let Inst{15-12} = Rt{3-0};
+
+ bits<13> addr;
+ let Inst{23} = addr{12}; // add = (U == '1')
let Inst{11-0} = addr{11-0};
+
+ let DecoderMethod = "DecodeT2LoadLabel";
}
}
class T2I_exta_rrot_np<bits<3> opcod, string opc>
: T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm,rot_imm:$rot),
- IIC_iEXTAsr, opc, "\t$Rd, $Rn, $Rm$rot", []> {
+ IIC_iEXTAsr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
+ Requires<[HasT2ExtractPack, IsThumb2]> {
bits<2> rot;
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let DecoderMethod = "DecodeT2Adr";
}
-let neverHasSideEffects = 1, isReMaterializable = 1 in
+let hasSideEffects = 0, isReMaterializable = 1 in
def t2LEApcrel : t2PseudoInst<(outs rGPR:$Rd), (ins i32imm:$label, pred:$p),
4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
let hasSideEffects = 1 in
def t2LEApcrelJT : t2PseudoInst<(outs rGPR:$Rd),
- (ins i32imm:$label, nohash_imm:$id, pred:$p),
+ (ins i32imm:$label, 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)>>;
+ GPRnopc, UnOpFrag<(zextloadi16 node:$Src)>>;
defm t2LDRB : T2I_ld<0, 0b00, "ldrb", IIC_iLoad_bh_i, IIC_iLoad_bh_si,
- rGPR, UnOpFrag<(zextloadi8 node:$Src)>>;
+ GPRnopc, 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)>>;
+ GPRnopc, UnOpFrag<(sextloadi16 node:$Src)>>;
defm t2LDRSB : T2I_ld<1, 0b00, "ldrsb", IIC_iLoad_bh_i, IIC_iLoad_bh_si,
- rGPR, UnOpFrag<(sextloadi8 node:$Src)>>;
+ GPRnopc, UnOpFrag<(sextloadi8 node:$Src)>>;
-let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
+let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
// Load doubleword
def t2LDRDi8 : T2Ii8s4<1, 0, 1, (outs rGPR:$Rt, rGPR:$Rt2),
(ins t2addrmode_imm8s4:$addr),
IIC_iLoad_d_i, "ldrd", "\t$Rt, $Rt2, $addr", "", []>;
-} // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
+} // mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1
// zextload i1 -> zextload i8
def : T2Pat<(zextloadi1 t2addrmode_imm12:$addr),
// Indexed loads
-let mayLoad = 1, neverHasSideEffects = 1 in {
+let mayLoad = 1, hasSideEffects = 0 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:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoad_bh_iu,
"ldrsh", "\t$Rt, $Rn$offset", "$Rn = $Rn_wb", []>;
-} // mayLoad = 1, neverHasSideEffects = 1
+} // mayLoad = 1, hasSideEffects = 0
// LDRT, LDRBT, LDRHT, LDRSBT, LDRSHT all have offset mode (PUW=0b110).
// Ref: A8.6.57 LDR (immediate, Thumb) Encoding T4
let Inst{11} = 1;
let Inst{10-8} = 0b110; // PUW.
let Inst{7-0} = addr{7-0};
+
+ let DecoderMethod = "DecodeT2LoadT";
}
def t2LDRT : T2IldT<0, 0b10, "ldrt", IIC_iLoad_i>;
def t2LDRSBT : T2IldT<1, 0b00, "ldrsbt", IIC_iLoad_bh_i>;
def t2LDRSHT : T2IldT<1, 0b01, "ldrsht", IIC_iLoad_bh_i>;
+class T2Ildacq<bits<4> bits23_20, bits<2> bit54, dag oops, dag iops,
+ string opc, string asm, list<dag> pattern>
+ : Thumb2I<oops, iops, AddrModeNone, 4, NoItinerary,
+ opc, asm, "", pattern>, Requires<[IsThumb, HasV8]> {
+ bits<4> Rt;
+ bits<4> addr;
+
+ let Inst{31-27} = 0b11101;
+ let Inst{26-24} = 0b000;
+ let Inst{23-20} = bits23_20;
+ let Inst{11-6} = 0b111110;
+ let Inst{5-4} = bit54;
+ let Inst{3-0} = 0b1111;
+
+ // Encode instruction operands
+ let Inst{19-16} = addr;
+ let Inst{15-12} = Rt;
+}
+
+def t2LDA : T2Ildacq<0b1101, 0b10, (outs rGPR:$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:$RHS)>>;
rGPR, BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>;
// Store doubleword
-let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
+let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in
def t2STRDi8 : T2Ii8s4<1, 0, 0, (outs),
- (ins GPR:$Rt, GPR:$Rt2, t2addrmode_imm8s4:$addr),
+ (ins rGPR:$Rt, rGPR:$Rt2, t2addrmode_imm8s4:$addr),
IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", "", []>;
// Indexed stores
-let mayStore = 1, neverHasSideEffects = 1 in {
+let mayStore = 1, hasSideEffects = 0 in {
def t2STR_PRE : T2Ipreldst<0, 0b10, 0, 1, (outs GPRnopc:$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 $Rn_wb", []> {
- let AsmMatchConverter = "cvtStWriteBackRegT2AddrModeImm8";
-}
-} // mayStore = 1, neverHasSideEffects = 1
+ "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []>;
+} // mayStore = 1, hasSideEffects = 0
def t2STR_POST : T2Ipostldst<0, 0b10, 0, 0, (outs GPRnopc:$Rn_wb),
(ins GPRnopc:$Rt, addr_offset_none:$Rn,
// 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, $addr", []>;
+
// T2Ipl (Preload Data/Instruction) signals the memory system of possible future
// data/instruction access.
// instr_write is inverted for Thumb mode: (prefetch 3) -> (preload 0),
Sched<[WritePreLd]> {
let Inst{31-25} = 0b1111100;
let Inst{24} = instr;
+ let Inst{23} = 1;
let Inst{22} = 0;
let Inst{21} = write;
let Inst{20} = 1;
let Inst{15-12} = 0b1111;
bits<17> addr;
- let addr{12} = 1; // add = TRUE
let Inst{19-16} = addr{16-13}; // Rn
- let Inst{23} = addr{12}; // U
let Inst{11-0} = addr{11-0}; // imm12
+
+ let DecoderMethod = "DecodeT2LoadImm12";
}
def i8 : T2Ii8<(outs), (ins t2addrmode_negimm8:$addr), IIC_Preload, opc,
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:$addr), IIC_Preload, opc,
let Inst{21} = write;
let Inst{20} = 1;
let Inst{15-12} = 0b1111;
- let Inst{11-6} = 0000000;
+ let Inst{11-6} = 0b000000;
bits<10> addr;
let Inst{19-16} = addr{9-6}; // Rn
let DecoderMethod = "DecodeT2LoadShift";
}
- // FIXME: We should have a separate 'pci' variant here. As-is we represent
- // it via the i12 variant, which it's related to, but that means we can
- // represent negative immediates, which aren't legal for anything except
- // the 'pci' case (Rn == 15).
}
-defm t2PLD : T2Ipl<0, 0, "pld">, Requires<[IsThumb2]>;
-defm t2PLDW : T2Ipl<1, 0, "pldw">, Requires<[IsThumb2,HasV7,HasMP]>;
-defm t2PLI : T2Ipl<0, 1, "pli">, Requires<[IsThumb2,HasV7]>;
+defm t2PLD : T2Ipl<0, 0, "pld">, Requires<[IsThumb2]>;
+defm t2PLDW : T2Ipl<1, 0, "pldw">, Requires<[IsThumb2,HasV7,HasMP]>;
+defm t2PLI : T2Ipl<0, 1, "pli">, Requires<[IsThumb2,HasV7]>;
+
+// pci variant is very similar to i12, but supports negative offsets
+// from the PC. Only PLD and PLI have pci variants (not PLDW)
+class T2Iplpci<bits<1> inst, string opc> : T2Iso<(outs), (ins t2ldrlabel:$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 {
+let hasSideEffects = 0 in {
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
defm t2LDM : thumb2_ld_mult<"ldm", IIC_iLoad_m, IIC_iLoad_mu, 1>;
let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
defm t2STM : thumb2_st_mult<"stm", IIC_iStore_m, IIC_iStore_mu, 0>;
-} // neverHasSideEffects
+} // hasSideEffects
//===----------------------------------------------------------------------===//
// Move Instructions.
//
-let neverHasSideEffects = 1 in
+let hasSideEffects = 0 in
def t2MOVr : T2sTwoReg<(outs GPRnopc:$Rd), (ins GPR:$Rm), IIC_iMOVr,
"mov", ".w\t$Rd, $Rm", []>, Sched<[WriteALU]> {
let Inst{31-27} = 0b11101;
let DecoderMethod = "DecodeT2MOVTWInstruction";
}
+def : t2InstAlias<"mov${p} $Rd, $imm",
+ (t2MOVi16 rGPR:$Rd, imm256_65535_expr:$imm, pred:$p)>;
+
def t2MOVi16_ga_pcrel : PseudoInst<(outs rGPR:$Rd),
(ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
def t2SXTAB16 : T2I_exta_rrot_np<0b010, "sxtab16">;
+// A simple right-shift can also be used in most cases (the exception is the
+// SXTH operations with a rotate of 24: there the non-contiguous bits are
+// relevant).
+def : Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, rot_imm:$rot), i8)),
+ (t2SXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, imm8_or_16:$rot), i16)),
+ (t2SXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+
// Zero extenders
let AddedComplexity = 16 in {
def t2UXTAH : T2I_exta_rrot<0b001, "uxtah",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
def t2UXTAB16 : T2I_exta_rrot_np<0b011, "uxtab16">;
+
+def : Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, rot_imm:$rot), 0xFF)),
+ (t2UXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, imm8_or_16:$rot), 0xFFFF)),
+ (t2UXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
}
+
//===----------------------------------------------------------------------===//
// Arithmetic Instructions.
//
let Inst{15} = 0;
}
+// A8.8.247 UDF - Undefined (Encoding T2)
+def t2UDF : T2XI<(outs), (ins imm0_65535:$imm16), IIC_Br, "udf.w\t$imm16",
+ [(int_arm_undefined imm0_65535:$imm16)]> {
+ bits<16> imm16;
+ let Inst{31-29} = 0b111;
+ let Inst{28-27} = 0b10;
+ let Inst{26-20} = 0b1111111;
+ let Inst{19-16} = imm16{15-12};
+ let Inst{15} = 0b1;
+ let Inst{14-12} = 0b010;
+ let Inst{11-0} = imm16{11-0};
+}
+
// A8.6.18 BFI - Bitfield insert (Encoding T1)
let Constraints = "$src = $Rd" in {
def t2BFI : T2TwoRegBitFI<(outs rGPR:$Rd),
}
// Extra precision multiplies with low / high results
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
let isCommutable = 1 in {
def t2SMULL : T2MulLong<0b000, 0b0000,
(outs rGPR:$RdLo, rGPR:$RdHi),
(ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64,
"umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
Requires<[IsThumb2, HasThumb2DSP]>;
-} // neverHasSideEffects
+} // hasSideEffects
// Rounding variants of the below included for disassembly only
def WB : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
!strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
- [(set rGPR:$Rd, (sra (opnode rGPR:$Rn,
- (sext_inreg rGPR:$Rm, i16)), (i32 16)))]>,
+ []>,
Requires<[IsThumb2, HasThumb2DSP]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
def WT : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
!strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
- [(set rGPR:$Rd, (sra (opnode rGPR:$Rn,
- (sra rGPR:$Rm, (i32 16))), (i32 16)))]>,
+ []>,
Requires<[IsThumb2, HasThumb2DSP]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
def WB : T2FourReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
!strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
- [(set rGPR:$Rd, (add rGPR:$Ra, (sra (opnode rGPR:$Rn,
- (sext_inreg rGPR:$Rm, i16)), (i32 16))))]>,
+ []>,
Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
def WT : T2FourReg<
(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
!strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
- [(set rGPR:$Rd, (add rGPR:$Ra, (sra (opnode rGPR:$Rn,
- (sra rGPR:$Rm, (i32 16))), (i32 16))))]>,
+ []>,
Requires<[IsThumb2, HasThumb2DSP, UseMulOps]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
// Alternate cases for PKHTB where identities eliminate some nodes. Note that
// a shift amount of 0 is *not legal* here, it is PKHBT instead.
-def : T2Pat<(or (and rGPR:$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...
//
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 hasSideEffects = 0 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 = $dst">;
} // isCodeGenOnly = 1
-} // neverHasSideEffects
+} // hasSideEffects
//===----------------------------------------------------------------------===//
// Atomic operations intrinsics
// memory barriers protect the atomic sequences
let hasSideEffects = 1 in {
-def t2DMB : AInoP<(outs), (ins memb_opt:$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:$opt))]>,
+ Requires<[IsThumb, HasDB]> {
bits<4> opt;
let Inst{31-4} = 0xf3bf8f5;
let Inst{3-0} = opt;
}
-}
-def t2DSB : AInoP<(outs), (ins memb_opt:$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<[IsThumb, HasDB]> {
bits<4> opt;
let Inst{31-4} = 0xf3bf8f4;
let Inst{3-0} = opt;
}
-def t2ISB : AInoP<(outs), (ins instsyncb_opt:$opt), ThumbFrm, NoItinerary,
- "isb", "\t$opt",
- []>, Requires<[IsThumb, HasDB]> {
+def t2ISB : T2I<(outs), (ins instsyncb_opt:$opt), NoItinerary,
+ "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
+ Requires<[IsThumb, HasDB]> {
bits<4> opt;
let Inst{31-4} = 0xf3bf8f6;
let Inst{3-0} = opt;
}
+}
-class T2I_ldrex<bits<2> opcod, dag oops, dag iops, AddrMode am, int sz,
+class T2I_ldrex<bits<4> opcod, dag oops, dag iops, AddrMode am, int sz,
InstrItinClass itin, string opc, string asm, string cstr,
list<dag> pattern, bits<4> rt2 = 0b1111>
: Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> {
let Inst{31-27} = 0b11101;
let Inst{26-20} = 0b0001101;
let Inst{11-8} = rt2;
- let Inst{7-6} = 0b01;
- let Inst{5-4} = opcod;
+ let Inst{7-4} = opcod;
let Inst{3-0} = 0b1111;
bits<4> addr;
let Inst{19-16} = addr;
let Inst{15-12} = Rt;
}
-class T2I_strex<bits<2> opcod, dag oops, dag iops, AddrMode am, int sz,
+class T2I_strex<bits<4> opcod, dag oops, dag iops, AddrMode am, int sz,
InstrItinClass itin, string opc, string asm, string cstr,
list<dag> pattern, bits<4> rt2 = 0b1111>
: Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> {
let Inst{31-27} = 0b11101;
let Inst{26-20} = 0b0001100;
let Inst{11-8} = rt2;
- let Inst{7-6} = 0b01;
- let Inst{5-4} = opcod;
+ let Inst{7-4} = opcod;
bits<4> Rd;
bits<4> addr;
}
let mayLoad = 1 in {
-def t2LDREXB : T2I_ldrex<0b00, (outs rGPR:$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, $addr", "",
- [], {?, ?, ?, ?}> {
+ [], {?, ?, ?, ?}>,
+ Requires<[IsThumb2, IsNotMClass]> {
+ bits<4> Rt2;
+ let Inst{11-8} = Rt2;
+}
+def t2LDAEXB : T2I_ldrex<0b1100, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "ldaexb", "\t$Rt, $addr", "",
+ [(set rGPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>,
+ Requires<[IsThumb, HasV8]>;
+def t2LDAEXH : T2I_ldrex<0b1101, (outs rGPR:$Rt), (ins addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "ldaexh", "\t$Rt, $addr", "",
+ [(set rGPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>,
+ Requires<[IsThumb, HasV8]>;
+def t2LDAEX : Thumb2I<(outs rGPR:$Rt), (ins addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "ldaex", "\t$Rt, $addr", "",
+ [(set rGPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>,
+ Requires<[IsThumb, HasV8]> {
+ bits<4> Rt;
+ bits<4> addr;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001101;
+ let Inst{19-16} = addr;
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = 0b1111;
+ let Inst{7-0} = 0b11101111;
+}
+let hasExtraDefRegAllocReq = 1 in
+def t2LDAEXD : T2I_ldrex<0b1111, (outs rGPR:$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, $addr", "", [],
- {?, ?, ?, ?}> {
+ {?, ?, ?, ?}>,
+ Requires<[IsThumb2, IsNotMClass]> {
+ bits<4> Rt2;
+ let Inst{11-8} = Rt2;
+}
+def t2STLEXB : T2I_strex<0b1100, (outs rGPR:$Rd),
+ (ins rGPR:$Rt, addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "stlexb", "\t$Rd, $Rt, $addr", "",
+ [(set rGPR:$Rd,
+ (stlex_1 rGPR:$Rt, addr_offset_none:$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, $addr", "",
+ [(set rGPR:$Rd,
+ (stlex_2 rGPR:$Rt, addr_offset_none:$addr))]>,
+ Requires<[IsThumb, HasV8]>;
+
+def t2STLEX : Thumb2I<(outs rGPR:$Rd), (ins rGPR:$Rt,
+ addr_offset_none:$addr),
+ AddrModeNone, 4, NoItinerary,
+ "stlex", "\t$Rd, $Rt, $addr", "",
+ [(set rGPR:$Rd,
+ (stlex_4 rGPR:$Rt, addr_offset_none:$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:$addr)>;
+
+def : T2Pat<(and (ldaex_1 addr_offset_none:$addr), 0xff),
+ (t2LDAEXB addr_offset_none:$addr)>;
+def : T2Pat<(and (ldaex_2 addr_offset_none:$addr), 0xffff),
+ (t2LDAEXH addr_offset_none:$addr)>;
+def : T2Pat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
+ (t2STLEXB GPR:$Rt, addr_offset_none:$addr)>;
+def : T2Pat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
+ (t2STLEXH GPR:$Rt, addr_offset_none:$addr)>;
+
//===----------------------------------------------------------------------===//
// SJLJ Exception handling intrinsics
// eh_sjlj_setjmp() is an instruction sequence to store the return
let Inst{12} = 1;
bits<24> target;
- let Inst{26} = target{19};
- let Inst{11} = target{18};
- let Inst{13} = target{17};
+ let Inst{26} = target{23};
+ let Inst{13} = target{22};
+ let Inst{11} = target{21};
let Inst{25-16} = target{20-11};
let Inst{10-0} = target{10-0};
let DecoderMethod = "DecodeT2BInstruction";
+ let AsmMatchConverter = "cvtThumbBranches";
}
-let isNotDuplicable = 1, isIndirectBranch = 1 in {
+let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
def t2BR_JT : t2PseudoInst<(outs),
- (ins GPR:$target, GPR:$index, i32imm:$jt, i32imm:$id),
+ (ins GPR:$target, GPR:$index, i32imm:$jt),
0, IIC_Br,
- [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt, imm:$id)]>,
+ [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt)]>,
Sched<[WriteBr]>;
-// FIXME: Add a non-pc based case that can be predicated.
+// FIXME: Add a case that can be predicated.
def t2TBB_JT : t2PseudoInst<(outs),
- (ins GPR:$index, i32imm:$jt, i32imm:$id), 0, IIC_Br, []>,
+ (ins GPR:$base, GPR:$index, i32imm:$jt, i32imm:$pclbl), 0, IIC_Br, []>,
Sched<[WriteBr]>;
def t2TBH_JT : t2PseudoInst<(outs),
- (ins GPR:$index, i32imm:$jt, i32imm:$id), 0, IIC_Br, []>,
+ (ins GPR:$base, GPR:$index, i32imm:$jt, i32imm:$pclbl), 0, IIC_Br, []>,
Sched<[WriteBr]>;
def t2TBB : T2I<(outs), (ins addrmode_tbb:$addr), IIC_Br,
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]>, Sched<[WriteBr]>;
+ Requires<[IsThumb2, IsMachO]>, Sched<[WriteBr]>;
}
// 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", []>,
- Sched<[WriteBr]> {
+def t2BXJ : T2I<(outs), (ins GPRnopc:$func), NoItinerary, "bxj", "\t$func", []>,
+ Sched<[WriteBr]>, Requires<[IsThumb2, IsNotMClass]> {
bits<4> func;
let Inst{31-27} = 0b11110;
let Inst{26} = 0;
// operands, create 3 versions of the same instruction. Once there's a clean
// framework to represent optional operands, change this behavior.
class t2CPS<dag iops, string asm_op> : T2XI<(outs), iops, NoItinerary,
- !strconcat("cps", asm_op), []> {
+ !strconcat("cps", asm_op), []>,
+ Requires<[IsThumb2, IsNotMClass]> {
bits<2> imod;
bits<3> iflags;
bits<5> mode;
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_4:$imm), NoItinerary, "hint", "\t$imm",[]> {
- bits<3> imm;
+def t2HINT : T2I<(outs), (ins imm0_239:$imm), NoItinerary, "hint", ".w\t$imm",
+ [(int_arm_hint imm0_239:$imm)]> {
+ bits<8> imm;
let Inst{31-3} = 0b11110011101011111000000000000;
- let Inst{2-0} = imm;
+ let Inst{7-0} = imm;
}
-def : t2InstAlias<"hint$p.w $imm", (t2HINT imm0_4:$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$opt", []> {
+def t2DBG : T2I<(outs), (ins imm0_15:$opt), NoItinerary, "dbg", "\t$opt",
+ [(int_arm_dbg imm0_15:$opt)]> {
bits<4> opt;
let Inst{31-20} = 0b111100111010;
let Inst{19-16} = 0b1111;
// 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{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> {
+ : T2I<oops, iops, itin, opc, asm, pattern>,
+ Requires<[IsThumb2,IsNotMClass]> {
bits<5> mode;
let Inst{31-25} = 0b1110100;
let Inst{24-23} = Op;
// 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>
- : T2I<oops, iops, itin, opc, asm, pattern> {
+ : T2I<oops, iops, itin, opc, asm, pattern>,
+ Requires<[IsThumb2,IsNotMClass]> {
let Inst{31-20} = op31_20{11-0};
bits<4> Rn;
(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,IsNotMClass]> {
+ let Inst{31-8} = 0b111100111101111010001111;
+
+ bits<8> imm;
+ let Inst{7-0} = imm;
+}
+
+// Hypervisor Call is a system instruction.
+let isCall = 1 in {
+def t2HVC : T2XI <(outs), (ins imm0_65535:$imm16), IIC_Br, "hvc.w\t$imm16", []>,
+ Requires<[IsThumb2, HasVirtualization]>, Sched<[WriteBr]> {
+ bits<16> imm16;
+ let Inst{31-20} = 0b111101111110;
+ let Inst{19-16} = imm16{15-12};
+ let Inst{15-12} = 0b1000;
+ let Inst{11-0} = imm16{11-0};
+}
+}
+
+// Alias for HVC without the ".w" optional width specifier
+def : t2InstAlias<"hvc\t$imm16", (t2HVC imm0_65535:$imm16)>;
+
+// ERET - Return from exception in Hypervisor mode.
+// B9.3.3, B9.3.20: ERET is an alias for "SUBS PC, LR, #0" in an implementation that
+// includes virtualization extensions.
+def t2ERET : InstAlias<"eret${p}", (t2SUBS_PC_LR 0, pred:$p)>,
+ Requires<[IsThumb2, HasVirtualization]>;
+
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//
let isReMaterializable = 1, isMoveImm = 1 in
def t2MOVi32imm : PseudoInst<(outs rGPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
[(set rGPR:$dst, (i32 imm:$src))]>,
- Requires<[IsThumb, HasV6T2]>;
+ Requires<[IsThumb, UseMovt]>;
// Pseudo instruction that combines movw + movt + add pc (if pic).
// It also makes it possible to rematerialize the instructions.
[(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]>;
-def : T2Pat<(ARMWrapperJT tjumptable:$dst, imm:$id),
- (t2LEApcrelJT tjumptable:$dst, imm:$id)>;
+def : T2Pat<(ARMWrapperJT tjumptable:$dst),
+ (t2LEApcrelJT tjumptable:$dst)>;
// Pseudo instruction that combines ldr from constpool and add pc. This should
// be expanded into two instructions late to allow if-conversion and
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, $addr!"> {
bits<13> addr;
bits<4> cop;
defm t2LDCL : t2LdStCop<0b1110, 1, 1, "ldcl">;
defm t2STC : t2LdStCop<0b1110, 0, 0, "stc">;
defm t2STCL : t2LdStCop<0b1110, 0, 1, "stcl">;
-defm t2LDC2 : t2LdStCop<0b1111, 1, 0, "ldc2">;
-defm t2LDC2L : t2LdStCop<0b1111, 1, 1, "ldc2l">;
-defm t2STC2 : t2LdStCop<0b1111, 0, 0, "stc2">;
-defm t2STC2L : t2LdStCop<0b1111, 0, 1, "stc2l">;
+defm t2LDC2 : t2LdStCop<0b1111, 1, 0, "ldc2">, Requires<[PreV8,IsThumb2]>;
+defm t2LDC2L : t2LdStCop<0b1111, 1, 1, "ldc2l">, Requires<[PreV8,IsThumb2]>;
+defm t2STC2 : t2LdStCop<0b1111, 0, 0, "stc2">, Requires<[PreV8,IsThumb2]>;
+defm t2STC2L : t2LdStCop<0b1111, 0, 1, "stc2l">, Requires<[PreV8,IsThumb2]>;
//===----------------------------------------------------------------------===//
//
// A/R class can only move from CPSR or SPSR.
def t2MRS_AR : T2I<(outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, apsr",
- []>, Requires<[IsThumb2,IsARClass]> {
+ []>, Requires<[IsThumb2,IsNotMClass]> {
bits<4> Rd;
let Inst{31-12} = 0b11110011111011111000;
let Inst{11-8} = Rd;
- let Inst{7-0} = 0b0000;
+ let Inst{7-0} = 0b00000000;
}
def : t2InstAlias<"mrs${p} $Rd, cpsr", (t2MRS_AR GPR:$Rd, pred:$p)>;
def t2MRSsys_AR: T2I<(outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, spsr",
- []>, Requires<[IsThumb2,IsARClass]> {
+ []>, Requires<[IsThumb2,IsNotMClass]> {
bits<4> Rd;
let Inst{31-12} = 0b11110011111111111000;
let Inst{11-8} = Rd;
- let Inst{7-0} = 0b0000;
+ let Inst{7-0} = 0b00000000;
+}
+
+def t2MRSbanked : T2I<(outs rGPR:$Rd), (ins banked_reg:$banked),
+ NoItinerary, "mrs", "\t$Rd, $banked", []>,
+ Requires<[IsThumb, HasVirtualization]> {
+ bits<6> banked;
+ bits<4> Rd;
+
+ let Inst{31-21} = 0b11110011111;
+ let Inst{20} = banked{5}; // R bit
+ let Inst{19-16} = banked{3-0};
+ let Inst{15-12} = 0b1000;
+ let Inst{11-8} = Rd;
+ let Inst{7-5} = 0b001;
+ let Inst{4} = banked{4};
+ let Inst{3-0} = 0b0000;
}
+
// M class MRS.
//
// This MRS has a mask field in bits 7-0 and can take more values than
// the A/R class (a full msr_mask).
-def t2MRS_M : T2I<(outs rGPR:$Rd), (ins msr_mask:$mask), NoItinerary,
- "mrs", "\t$Rd, $mask", []>,
+def t2MRS_M : T2I<(outs rGPR:$Rd), (ins msr_mask:$SYSm), NoItinerary,
+ "mrs", "\t$Rd, $SYSm", []>,
Requires<[IsThumb,IsMClass]> {
bits<4> Rd;
- bits<8> mask;
+ bits<8> SYSm;
let Inst{31-12} = 0b11110011111011111000;
let Inst{11-8} = Rd;
- let Inst{19-16} = 0b1111;
- let Inst{7-0} = mask;
+ let Inst{7-0} = SYSm;
+
+ let Unpredictable{20-16} = 0b11111;
+ let Unpredictable{13} = 0b1;
}
// the mask with the fields to be accessed in the special register.
def t2MSR_AR : T2I<(outs), (ins msr_mask:$mask, rGPR:$Rn),
NoItinerary, "msr", "\t$mask, $Rn", []>,
- Requires<[IsThumb2,IsARClass]> {
+ Requires<[IsThumb2,IsNotMClass]> {
bits<5> mask;
bits<4> Rn;
let Inst{31-21} = 0b11110011100;
let Inst{7-0} = 0;
}
+// However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
+// separate encoding (distinguished by bit 5.
+def t2MSRbanked : T2I<(outs), (ins banked_reg:$banked, rGPR:$Rn),
+ NoItinerary, "msr", "\t$banked, $Rn", []>,
+ Requires<[IsThumb, HasVirtualization]> {
+ bits<6> banked;
+ bits<4> Rn;
+
+ let Inst{31-21} = 0b11110011100;
+ let Inst{20} = banked{5}; // R bit
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = 0b1000;
+ let Inst{11-8} = banked{3-0};
+ let Inst{7-5} = 0b001;
+ let Inst{4} = banked{4};
+ let Inst{3-0} = 0b0000;
+}
+
+
// M class MSR.
//
// Move from ARM core register to Special Register
let Inst{20} = 0b0;
let Inst{19-16} = Rn;
let Inst{15-12} = 0b1000;
- let Inst{11-0} = SYSm;
+ let Inst{11-10} = SYSm{11-10};
+ let Inst{9-8} = 0b00;
+ let Inst{7-0} = SYSm{7-0};
+
+ let Unpredictable{20} = 0b1;
+ let Unpredictable{13} = 0b1;
+ let Unpredictable{9-8} = 0b11;
}
class t2MovRCopro<bits<4> Op, string opc, bit direction, dag oops, dag iops,
list<dag> pattern>
- : T2Cop<Op, oops, iops,
- !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
+ : T2Cop<Op, oops, iops, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
pattern> {
let Inst{27-24} = 0b1110;
let Inst{20} = direction;
let Inst{19-16} = CRn;
}
-class t2MovRRCopro<bits<4> Op, string opc, bit direction,
+class t2MovRRCopro<bits<4> Op, string opc, bit direction, dag oops, dag iops,
list<dag> pattern = []>
- : T2Cop<Op, (outs),
- (ins p_imm:$cop, imm0_15:$opc1, GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
- !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
+ : T2Cop<Op, oops, iops, opc, "\t$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:$opc2)>;
/* from ARM core register to coprocessor */
-def t2MCRR : t2MovRRCopro<0b1110, "mcrr", 0,
+def t2MCRR : t2MovRRCopro<0b1110, "mcrr", 0, (outs),
+ (ins p_imm:$cop, imm0_15:$opc1, GPR:$Rt, GPR:$Rt2,
+ c_imm:$CRm),
[(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
imm:$CRm)]>;
-def t2MCRR2 : t2MovRRCopro<0b1111, "mcrr2", 0,
- [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt,
- GPR:$Rt2, imm:$CRm)]>;
+def t2MCRR2 : t2MovRRCopro<0b1111, "mcrr2", 0, (outs),
+ (ins p_imm:$cop, imm0_15:$opc1, GPR:$Rt, GPR:$Rt2,
+ c_imm:$CRm),
+ [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt,
+ GPR:$Rt2, imm:$CRm)]> {
+ let Predicates = [IsThumb2, PreV8];
+}
+
/* from coprocessor to ARM core register */
-def t2MRRC : t2MovRRCopro<0b1110, "mrrc", 1>;
+def t2MRRC : t2MovRRCopro<0b1110, "mrrc", 1, (outs GPR:$Rt, GPR:$Rt2),
+ (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm)>;
-def t2MRRC2 : t2MovRRCopro<0b1111, "mrrc2", 1>;
+def t2MRRC2 : t2MovRRCopro<0b1111, "mrrc2", 1, (outs GPR:$Rt, GPR:$Rt2),
+ (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm)> {
+ 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:$opc2)]> {
let Inst{27-24} = 0b1110;
let Inst{15-12} = CRd;
let Inst{19-16} = CRn;
let Inst{23-20} = opc1;
+
+ let Predicates = [IsThumb2, PreV8];
}
+//===----------------------------------------------------------------------===//
+// ARMv8.1 Privilege Access Never extension
+//
+// SETPAN #imm1
+
+def t2SETPAN : T1I<(outs), (ins imm0_1:$imm), NoItinerary, "setpan\t$imm", []>,
+ T1Misc<0b0110000>, Requires<[IsThumb2, HasV8, HasV8_1a]> {
+ bits<1> imm;
+
+ let Inst{4} = 0b1;
+ let Inst{3} = imm;
+ let Inst{2-0} = 0b000;
+
+ let Unpredictable{4} = 0b1;
+ let Unpredictable{2-0} = 0b111;
+}
+
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//
def : T2Pat<(atomic_store_32 t2addrmode_so_reg:$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, $imm",
- (t2ADDri rGPR:$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 GPRnopc:$Rt, t2ldrlabel:$addr, pred:$p)>;
def : t2InstAlias<"ldrb${p} $Rt, $addr",
(t2LDRBpci rGPR:$Rt, t2ldrlabel:$addr, pred:$p)>;
def : t2InstAlias<"ldrh${p} $Rt, $addr",
(t2STRHs rGPR:$Rt, t2addrmode_so_reg:$addr, pred:$p)>;
// Extend instruction optional rotate operand.
-def : t2InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
- (t2SXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
-def : t2InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
- (t2SXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
-def : t2InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
- (t2SXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
+def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
+ (t2SXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
+ (t2SXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
+ (t2SXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : InstAlias<"sxtb16${p} $Rd, $Rm",
+ (t2SXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
def : t2InstAlias<"sxtb${p} $Rd, $Rm",
(t2SXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
-def : t2InstAlias<"sxtb16${p} $Rd, $Rm",
- (t2SXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"sxth${p} $Rd, $Rm",
(t2SXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"sxtb${p}.w $Rd, $Rm",
def : t2InstAlias<"sxth${p}.w $Rd, $Rm",
(t2SXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
-def : t2InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
- (t2UXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
-def : t2InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
- (t2UXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
-def : t2InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
- (t2UXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
+def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
+ (t2UXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
+ (t2UXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
+ (t2UXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+def : InstAlias<"uxtb16${p} $Rd, $Rm",
+ (t2UXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
+
def : t2InstAlias<"uxtb${p} $Rd, $Rm",
(t2UXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
-def : t2InstAlias<"uxtb16${p} $Rd, $Rm",
- (t2UXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxth${p} $Rd, $Rm",
(t2UXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
-
def : t2InstAlias<"uxtb${p}.w $Rd, $Rm",
(t2UXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxth${p}.w $Rd, $Rm",
// Extend instruction w/o the ".w" optional width specifier.
def : t2InstAlias<"uxtb${p} $Rd, $Rm$rot",
(t2UXTB rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
-def : t2InstAlias<"uxtb16${p} $Rd, $Rm$rot",
- (t2UXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
+def : InstAlias<"uxtb16${p} $Rd, $Rm$rot",
+ (t2UXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
def : t2InstAlias<"uxth${p} $Rd, $Rm$rot",
(t2UXTH rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
def : t2InstAlias<"sxtb${p} $Rd, $Rm$rot",
(t2SXTB rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
-def : t2InstAlias<"sxtb16${p} $Rd, $Rm$rot",
- (t2SXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
+def : InstAlias<"sxtb16${p} $Rd, $Rm$rot",
+ (t2SXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
def : t2InstAlias<"sxth${p} $Rd, $Rm$rot",
(t2SXTH rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
(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]>;
projects / oota-llvm.git / blobdiff