SDTCisInt<2>]>;
def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
-def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 0, []>;
+def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
+def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
+ SDTCisInt<1>]>;
+
def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
[SDNPHasChain]>;
def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
[SDNPHasChain]>;
-def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
+def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
[SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
//===----------------------------------------------------------------------===//
// ARM Instruction Predicate Definitions.
//
-def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
+def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
+ AssemblerPredicate<"HasV4TOps">;
def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
-def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
-def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
+def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
+ AssemblerPredicate<"HasV5TEOps">;
+def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
+ AssemblerPredicate<"HasV6Ops">;
def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
-def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
+def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
+ AssemblerPredicate<"HasV6T2Ops">;
def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
-def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
+def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
+ AssemblerPredicate<"HasV7Ops">;
def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
-def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
-def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
-def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
-def HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate;
-def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
+def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
+ AssemblerPredicate<"FeatureVFP2">;
+def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
+ AssemblerPredicate<"FeatureVFP3">;
+def HasNEON : Predicate<"Subtarget->hasNEON()">,
+ AssemblerPredicate<"FeatureNEON">;
+def HasFP16 : Predicate<"Subtarget->hasFP16()">,
+ AssemblerPredicate<"FeatureFP16">;
+def HasDivide : Predicate<"Subtarget->hasDivide()">,
+ AssemblerPredicate<"FeatureHWDiv">;
def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
- AssemblerPredicate;
+ AssemblerPredicate<"FeatureT2XtPk">;
+def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
+ AssemblerPredicate<"FeatureDSPThumb2">;
def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
- AssemblerPredicate;
+ AssemblerPredicate<"FeatureDB">;
def HasMP : Predicate<"Subtarget->hasMPExtension()">,
- AssemblerPredicate;
+ AssemblerPredicate<"FeatureMP">;
def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
-def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
+def IsThumb : Predicate<"Subtarget->isThumb()">,
+ AssemblerPredicate<"ModeThumb">;
def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
-def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
-def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
+def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
+ AssemblerPredicate<"ModeThumb,FeatureThumb2">;
+def IsARM : Predicate<"!Subtarget->isThumb()">,
+ AssemblerPredicate<"!ModeThumb">;
def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
}]>;
/// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
-def imm1_15 : PatLeaf<(i32 imm), [{
- return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
+def imm1_15 : ImmLeaf<i32, [{
+ return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
}]>;
/// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
-def imm16_31 : PatLeaf<(i32 imm), [{
- return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
+def imm16_31 : ImmLeaf<i32, [{
+ return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
}]>;
def so_imm_neg :
return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
}], hi16>;
-/// imm0_65535 predicate - True if the 32-bit immediate is in the range
-/// [0.65535].
-def imm0_65535 : PatLeaf<(i32 imm), [{
- return (uint32_t)N->getZExtValue() < 65536;
-}]>;
+/// imm0_65535 - An immediate is in the range [0.65535].
+def Imm0_65535AsmOperand: AsmOperandClass { let Name = "Imm0_65535"; }
+def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
+ return Imm >= 0 && Imm < 65536;
+}]> {
+ let ParserMatchClass = Imm0_65535AsmOperand;
+}
class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
// FIXME: rename brtarget to t2_brtarget
def brtarget : Operand<OtherVT> {
let EncoderMethod = "getBranchTargetOpValue";
+ let OperandType = "OPERAND_PCREL";
}
// FIXME: get rid of this one?
def uncondbrtarget : Operand<OtherVT> {
let EncoderMethod = "getUnconditionalBranchTargetOpValue";
+ let OperandType = "OPERAND_PCREL";
}
// Branch target for ARM. Handles conditional/unconditional
def br_target : Operand<OtherVT> {
let EncoderMethod = "getARMBranchTargetOpValue";
+ let OperandType = "OPERAND_PCREL";
}
// Call target.
def bltarget : Operand<i32> {
// Encoded the same as branch targets.
let EncoderMethod = "getBranchTargetOpValue";
+ let OperandType = "OPERAND_PCREL";
}
// Call target for ARM. Handles conditional/unconditional
def bl_target : Operand<i32> {
// Encoded the same as branch targets.
let EncoderMethod = "getARMBranchTargetOpValue";
+ let OperandType = "OPERAND_PCREL";
}
}
// rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
-def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
- int32_t v = (int32_t)N->getZExtValue();
+def rot_imm : Operand<i32>, ImmLeaf<i32, [{
+ int32_t v = (int32_t)Imm;
return v == 8 || v == 16 || v == 24; }]> {
let EncoderMethod = "getRotImmOpValue";
}
let ParserMatchClass = ShifterAsmOperand;
}
-// shifter_operand operands: so_reg and so_imm.
-def so_reg : Operand<i32>, // reg reg imm
- ComplexPattern<i32, 3, "SelectShifterOperandReg",
- [shl,srl,sra,rotr]> {
- let EncoderMethod = "getSORegOpValue";
- let PrintMethod = "printSORegOperand";
+def ShiftedRegAsmOperand : AsmOperandClass {
+ let Name = "ShiftedReg";
+}
+
+def ShiftedImmAsmOperand : AsmOperandClass {
+ let Name = "ShiftedImm";
+}
+
+// shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
+def so_reg_reg : Operand<i32>, // reg reg imm
+ ComplexPattern<i32, 3, "SelectRegShifterOperand",
+ [shl, srl, sra, rotr]> {
+ let EncoderMethod = "getSORegRegOpValue";
+ let PrintMethod = "printSORegRegOperand";
+ let ParserMatchClass = ShiftedRegAsmOperand;
let MIOperandInfo = (ops GPR, GPR, shift_imm);
}
-def shift_so_reg : Operand<i32>, // reg reg imm
- ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
+
+def so_reg_imm : Operand<i32>, // reg imm
+ ComplexPattern<i32, 2, "SelectImmShifterOperand",
+ [shl, srl, sra, rotr]> {
+ let EncoderMethod = "getSORegImmOpValue";
+ let PrintMethod = "printSORegImmOperand";
+ let ParserMatchClass = ShiftedImmAsmOperand;
+ let MIOperandInfo = (ops GPR, shift_imm);
+}
+
+// FIXME: Does this need to be distinct from so_reg?
+def shift_so_reg_reg : Operand<i32>, // reg reg imm
+ ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
[shl,srl,sra,rotr]> {
- let EncoderMethod = "getSORegOpValue";
- let PrintMethod = "printSORegOperand";
+ let EncoderMethod = "getSORegRegOpValue";
+ let PrintMethod = "printSORegRegOperand";
let MIOperandInfo = (ops GPR, GPR, shift_imm);
}
+// FIXME: Does this need to be distinct from so_reg?
+def shift_so_reg_imm : Operand<i32>, // reg reg imm
+ ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
+ [shl,srl,sra,rotr]> {
+ let EncoderMethod = "getSORegImmOpValue";
+ let PrintMethod = "printSORegImmOperand";
+ let MIOperandInfo = (ops GPR, shift_imm);
+}
+
+
// so_imm - Match a 32-bit shifter_operand immediate operand, which is an
// 8-bit immediate rotated by an arbitrary number of bits.
-def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
+def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
+def so_imm : Operand<i32>, ImmLeaf<i32, [{
+ return ARM_AM::getSOImmVal(Imm) != -1;
+ }]> {
let EncoderMethod = "getSOImmOpValue";
- let PrintMethod = "printSOImmOperand";
+ let ParserMatchClass = SOImmAsmOperand;
}
// Break so_imm's up into two pieces. This handles immediates with up to 16
return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
}]>;
+/// imm0_7 predicate - Immediate in the range [0,31].
+def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
+def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
+ return Imm >= 0 && Imm < 8;
+}]> {
+ let ParserMatchClass = Imm0_7AsmOperand;
+}
+
+/// imm0_15 predicate - Immediate in the range [0,31].
+def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
+def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
+ return Imm >= 0 && Imm < 16;
+}]> {
+ let ParserMatchClass = Imm0_15AsmOperand;
+}
+
/// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
-def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
- return (int32_t)N->getZExtValue() < 32;
+def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
+def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
+ return Imm >= 0 && Imm < 32;
}]>;
/// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
-def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
- return (int32_t)N->getZExtValue() < 32;
+def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
+ return Imm >= 0 && Imm < 32;
}]> {
let EncoderMethod = "getImmMinusOneOpValue";
}
-// i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
-// The imm is split into imm{15-12}, imm{11-0}
+// imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
+// a relocatable expression.
//
-def i32imm_hilo16 : Operand<i32> {
+// FIXME: This really needs a Thumb version separate from the ARM version.
+// While the range is the same, and can thus use the same match class,
+// the encoding is different so it should have a different encoder method.
+def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
+def imm0_65535_expr : Operand<i32> {
let EncoderMethod = "getHiLo16ImmOpValue";
+ let ParserMatchClass = Imm0_65535ExprAsmOperand;
}
/// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
}
/// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
-def lsb_pos_imm : Operand<i32>, PatLeaf<(imm), [{
- return isInt<5>(N->getSExtValue());
+def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
+ return isInt<5>(Imm);
}]>;
/// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
-def width_imm : Operand<i32>, PatLeaf<(imm), [{
- return N->getSExtValue() > 0 && N->getSExtValue() <= 32;
+def width_imm : Operand<i32>, ImmLeaf<i32, [{
+ return Imm > 0 && Imm <= 32;
}] > {
let EncoderMethod = "getMsbOpValue";
}
+def imm1_32_XFORM: SDNodeXForm<imm, [{
+ return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
+}]>;
+def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
+def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }],
+ imm1_32_XFORM> {
+ let PrintMethod = "printImm1_32Operand";
+ let ParserMatchClass = Imm1_32AsmOperand;
+}
+
// Define ARM specific addressing modes.
def MemMode2AsmOperand : AsmOperandClass {
let EncoderMethod = "getAddrMode6OffsetOpValue";
}
+// Special version of addrmode6 to handle alignment encoding for VST1/VLD1
+// (single element from one lane) for size 32.
+def addrmode6oneL32 : Operand<i32>,
+ ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
+ let PrintMethod = "printAddrMode6Operand";
+ let MIOperandInfo = (ops GPR:$addr, i32imm);
+ let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
+}
+
// Special version of addrmode6 to handle alignment encoding for VLD-dup
// instructions, specifically VLD4-dup.
def addrmode6dup : Operand<i32>,
/// binop that produces a value.
multiclass AsI1_bin_irs<bits<4> opcod, string opc,
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
- PatFrag opnode, bit Commutable = 0> {
+ PatFrag opnode, string baseOpc, bit Commutable = 0> {
// The register-immediate version is re-materializable. This is useful
// in particular for taking the address of a local.
let isReMaterializable = 1 in {
let Inst{11-4} = 0b00000000;
let Inst{3-0} = Rm;
}
- def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
+
+ def rsi : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
+ }
+
+ def rsr : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
let Inst{19-16} = Rn;
let Inst{15-12} = Rd;
- let Inst{11-0} = shift;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
}
+
+ // Assembly aliases for optional destination operand when it's the same
+ // as the source operand.
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
+ so_imm:$imm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
+ GPR:$Rm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_imm:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_reg:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+
}
/// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
let Inst{11-4} = 0b00000000;
let Inst{3-0} = Rm;
}
- def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
+ def rsi : AI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{20} = 1;
let Inst{19-16} = Rn;
let Inst{15-12} = Rd;
- let Inst{11-0} = shift;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
+ }
+
+ def rsr : AI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
}
}
}
let Inst{11-4} = 0b00000000;
let Inst{3-0} = Rm;
}
- def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
+ def rsi : AI1<opcod, (outs),
+ (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
opc, "\t$Rn, $shift",
- [(opnode GPR:$Rn, so_reg:$shift)]> {
+ [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
let Inst{20} = 1;
let Inst{19-16} = Rn;
let Inst{15-12} = 0b0000;
- let Inst{11-0} = shift;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
}
+ def rsr : AI1<opcod, (outs),
+ (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
+ opc, "\t$Rn, $shift",
+ [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = 0b0000;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
+ }
+
}
}
}
/// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
-let Uses = [CPSR] in {
multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
+ string baseOpc, bit Commutable = 0> {
+ let Uses = [CPSR] in {
def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
[(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
}
- def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
+ def rsi : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_imm:$shift),
+ DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
- let Inst{11-0} = shift;
+ let Inst{19-16} = Rn;
let Inst{15-12} = Rd;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
+ }
+ def rsr : AsI1<opcod, (outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_reg:$shift),
+ DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
+ Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
+ }
}
+ // Assembly aliases for optional destination operand when it's the same
+ // as the source operand.
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
+ so_imm:$imm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
+ GPR:$Rm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_imm:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
+ so_reg_reg:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsARM]>;
}
+
// Carry setting variants
-let isCodeGenOnly = 1, Defs = [CPSR] in {
-multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
- def Sri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- Size4Bytes, IIC_iALUi,
- [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
- Requires<[IsARM]>;
- def Srr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
- Size4Bytes, IIC_iALUr,
- [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
- Requires<[IsARM]>;
- def Srs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- Size4Bytes, IIC_iALUsr,
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
- Requires<[IsARM]>;
-}
+// NOTE: CPSR def omitted because it will be handled by the custom inserter.
+let usesCustomInserter = 1 in {
+multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
+ def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ 4, IIC_iALUi,
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
+ def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ 4, IIC_iALUr,
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
+ let isCommutable = Commutable;
+ }
+ def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
+ 4, IIC_iALUsr,
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
+ def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
+ 4, IIC_iALUsr,
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
}
}
}
def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
- "\t$dst, $a, $b",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV6]> {
+ "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
bits<4> Rd;
bits<4> Rn;
bits<4> Rm;
}
def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV6T2]> {
+ []>, Requires<[IsARM, HasV6T2]> {
let Inst{27-16} = 0b001100100000;
let Inst{15-8} = 0b11110000;
let Inst{7-0} = 0b00000100;
// The i32imm operand $val can be used by a debugger to store more information
// about the breakpoint.
-def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM]> {
+def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
+ "bkpt", "\t$val", []>, Requires<[IsARM]> {
bits<16> val;
let Inst{3-0} = val{3-0};
let Inst{19-8} = val{15-4};
defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
-def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
- "setend\t$end",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM]> {
+def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
+ "setend\t$end", []>, Requires<[IsARM]> {
bits<1> end;
let Inst{31-10} = 0b1111000100000001000000;
let Inst{9} = end;
let Inst{8-0} = 0;
}
-def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV7]> {
+def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
+ []>, Requires<[IsARM, HasV7]> {
bits<4> opt;
let Inst{27-4} = 0b001100100000111100001111;
let Inst{3-0} = opt;
// Address computation and loads and stores in PIC mode.
let isNotDuplicable = 1 in {
def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
- Size4Bytes, IIC_iALUr,
+ 4, IIC_iALUr,
[(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
let AddedComplexity = 10 in {
def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iLoad_r,
+ 4, IIC_iLoad_r,
[(set GPR:$dst, (load addrmodepc:$addr))]>;
def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iLoad_bh_r,
+ 4, IIC_iLoad_bh_r,
[(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iLoad_bh_r,
+ 4, IIC_iLoad_bh_r,
[(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iLoad_bh_r,
+ 4, IIC_iLoad_bh_r,
[(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iLoad_bh_r,
+ 4, IIC_iLoad_bh_r,
[(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
}
let AddedComplexity = 10 in {
def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
+ 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
+ 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
addrmodepc:$addr)]>;
def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
+ 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
}
} // isNotDuplicable = 1
let Inst{11-0} = label;
}
def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
- Size4Bytes, IIC_iALUi, []>;
+ 4, IIC_iALUi, []>;
def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
- Size4Bytes, IIC_iALUi, []>;
+ 4, IIC_iALUi, []>;
//===----------------------------------------------------------------------===//
// Control Flow Instructions.
let Inst{3-0} = dst;
}
- // ARMV4 only
- // FIXME: We would really like to define this as a vanilla ARMPat like:
- // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
- // With that, however, we can't set isBranch, isTerminator, etc..
- def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
- Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
- Requires<[IsARM, NoV4T]>;
+ def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
+ "bx", "\t$dst", [/* pattern left blank */]>,
+ Requires<[IsARM, HasV4T]> {
+ bits<4> dst;
+ let Inst{27-4} = 0b000100101111111111110001;
+ let Inst{3-0} = dst;
+ }
}
// All calls clobber the non-callee saved registers. SP is marked as
// FIXME: Do we really need a non-predicated version? If so, it should
// at least be a pseudo instruction expanding to the predicated version
// at MC lowering time.
- Defs = [R0, R1, R2, R3, R12, LR,
- D0, D1, D2, D3, D4, D5, D6, D7,
- D16, D17, D18, D19, D20, D21, D22, D23,
- D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
+ Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
Uses = [SP] in {
def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
IIC_Br, "bl\t$func",
// ARMv4T
// Note: Restrict $func to the tGPR regclass to prevent it being in LR.
def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
- Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
Requires<[IsARM, HasV4T, IsNotDarwin]>;
// ARMv4
def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
- Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
Requires<[IsARM, NoV4T, IsNotDarwin]>;
}
// On Darwin R9 is call-clobbered.
// R7 is marked as a use to prevent frame-pointer assignments from being
// moved above / below calls.
- Defs = [R0, R1, R2, R3, R9, R12, LR,
- D0, D1, D2, D3, D4, D5, D6, D7,
- D16, D17, D18, D19, D20, D21, D22, D23,
- D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
+ Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
Uses = [R7, SP] in {
- def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$func, variable_ops),
- Size4Bytes, IIC_Br,
- [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
-
- def BLr9_pred : ARMPseudoInst<(outs),
- (ins bltarget:$func, pred:$p, variable_ops),
- Size4Bytes, IIC_Br,
- [(ARMcall_pred tglobaladdr:$func)]>,
+ def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
+ 4, IIC_Br,
+ [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
+ Requires<[IsARM, IsDarwin]>;
+
+ def BLr9_pred : ARMPseudoExpand<(outs),
+ (ins bl_target:$func, pred:$p, variable_ops),
+ 4, IIC_Br,
+ [(ARMcall_pred tglobaladdr:$func)],
+ (BL_pred bl_target:$func, pred:$p)>,
Requires<[IsARM, IsDarwin]>;
// ARMv5T and above
- def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$func, variable_ops),
- Size4Bytes, IIC_Br,
- [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]>;
-
- def BLXr9_pred: ARMPseudoInst<(outs), (ins GPR:$func, pred:$p, variable_ops),
- Size4Bytes, IIC_Br,
- [(ARMcall_pred GPR:$func)]>,
+ def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
+ 4, IIC_Br,
+ [(ARMcall GPR:$func)],
+ (BLX GPR:$func)>,
+ Requires<[IsARM, HasV5T, IsDarwin]>;
+
+ def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
+ 4, IIC_Br,
+ [(ARMcall_pred GPR:$func)],
+ (BLX_pred GPR:$func, pred:$p)>,
Requires<[IsARM, HasV5T, IsDarwin]>;
// ARMv4T
// Note: Restrict $func to the tGPR regclass to prevent it being in LR.
def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
- Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
Requires<[IsARM, HasV4T, IsDarwin]>;
// ARMv4
def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
- Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
Requires<[IsARM, NoV4T, IsDarwin]>;
}
-// Tail calls.
-
-// FIXME: The Thumb versions of these should live in ARMInstrThumb.td
-let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
- // Darwin versions.
- let Defs = [R0, R1, R2, R3, R9, R12,
- D0, D1, D2, D3, D4, D5, D6, D7,
- D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
- D27, D28, D29, D30, D31, PC],
- Uses = [SP] in {
- def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
- IIC_Br, []>, Requires<[IsDarwin]>;
-
- def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
- IIC_Br, []>, Requires<[IsDarwin]>;
-
- def TAILJMPd : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsARM, IsDarwin]>;
-
- def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsThumb, IsDarwin]>;
-
- def TAILJMPr : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsARM, IsDarwin]>;
-
- def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsThumb, IsDarwin]>;
- }
-
- // Non-Darwin versions (the difference is R9).
- let Defs = [R0, R1, R2, R3, R12,
- D0, D1, D2, D3, D4, D5, D6, D7,
- D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
- D27, D28, D29, D30, D31, PC],
- Uses = [SP] in {
- def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
- IIC_Br, []>, Requires<[IsNotDarwin]>;
-
- def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
- IIC_Br, []>, Requires<[IsNotDarwin]>;
-
- def TAILJMPdND : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsARM, IsNotDarwin]>;
-
- def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsThumb, IsNotDarwin]>;
-
- def TAILJMPrND : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsARM, IsNotDarwin]>;
- def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
- Size4Bytes, IIC_Br,
- []>, Requires<[IsThumb, IsNotDarwin]>;
+let isBranch = 1, isTerminator = 1 in {
+ // FIXME: should be able to write a pattern for ARMBrcond, but can't use
+ // a two-value operand where a dag node expects two operands. :(
+ def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
+ IIC_Br, "b", "\t$target",
+ [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
+ bits<24> target;
+ let Inst{23-0} = target;
}
-}
-let isBranch = 1, isTerminator = 1 in {
- // B is "predicable" since it's just a Bcc with an 'always' condition.
let isBarrier = 1 in {
+ // B is "predicable" since it's just a Bcc with an 'always' condition.
let isPredicable = 1 in
// FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
// should be sufficient.
- def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
- [(br bb:$target)]>;
+ // FIXME: Is B really a Barrier? That doesn't seem right.
+ def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
+ [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
let isNotDuplicable = 1, isIndirectBranch = 1 in {
def BR_JTr : ARMPseudoInst<(outs),
(ins GPR:$target, i32imm:$jt, i32imm:$id),
- SizeSpecial, IIC_Br,
+ 0, IIC_Br,
[(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
// FIXME: This shouldn't use the generic "addrmode2," but rather be split
// into i12 and rs suffixed versions.
def BR_JTm : ARMPseudoInst<(outs),
(ins addrmode2:$target, i32imm:$jt, i32imm:$id),
- SizeSpecial, IIC_Br,
+ 0, IIC_Br,
[(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
imm:$id)]>;
def BR_JTadd : ARMPseudoInst<(outs),
(ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
- SizeSpecial, IIC_Br,
+ 0, IIC_Br,
[(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
imm:$id)]>;
} // isNotDuplicable = 1, isIndirectBranch = 1
} // isBarrier = 1
- // FIXME: should be able to write a pattern for ARMBrcond, but can't use
- // a two-value operand where a dag node expects two operands. :(
- def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
- IIC_Br, "b", "\t$target",
- [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
- bits<24> target;
- let Inst{23-0} = target;
- }
}
// BLX (immediate) -- for disassembly only
let Inst{24} = target{0};
}
-// Branch and Exchange Jazelle -- for disassembly only
+// Branch and Exchange Jazelle
def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
- [/* For disassembly only; pattern left blank */]> {
+ [/* pattern left blank */]> {
+ bits<4> func;
let Inst{23-20} = 0b0010;
- //let Inst{19-8} = 0xfff;
+ let Inst{19-8} = 0xfff;
let Inst{7-4} = 0b0010;
+ let Inst{3-0} = func;
+}
+
+// Tail calls.
+
+let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
+ // Darwin versions.
+ let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
+ Uses = [SP] in {
+ def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsDarwin]>;
+
+ def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsDarwin]>;
+
+ def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
+ 4, IIC_Br, [],
+ (Bcc br_target:$dst, (ops 14, zero_reg))>,
+ Requires<[IsARM, IsDarwin]>;
+
+ def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
+ 4, IIC_Br, [],
+ (BX GPR:$dst)>,
+ Requires<[IsARM, IsDarwin]>;
+
+ }
+
+ // Non-Darwin versions (the difference is R9).
+ let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
+ Uses = [SP] in {
+ def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsNotDarwin]>;
+
+ def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsNotDarwin]>;
+
+ def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
+ 4, IIC_Br, [],
+ (Bcc br_target:$dst, (ops 14, zero_reg))>,
+ Requires<[IsARM, IsNotDarwin]>;
+
+ def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
+ 4, IIC_Br, [],
+ (BX GPR:$dst)>,
+ Requires<[IsARM, IsNotDarwin]>;
+ }
}
+
+
+
+
// Secure Monitor Call is a system instruction -- for disassembly only
-def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
- [/* For disassembly only; pattern left blank */]> {
+def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
+ []> {
bits<4> opt;
let Inst{23-4} = 0b01100000000000000111;
let Inst{3-0} = opt;
let Inst{23-0} = svc;
}
}
-def : MnemonicAlias<"swi", "svc">;
// Store Return State is a system instruction -- for disassembly only
let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
[(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
-let mayLoad = 1, neverHasSideEffects = 1 in {
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
// Load doubleword
def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
(ins addrmode3:$addr), LdMiscFrm,
defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
+let hasExtraDefRegAllocReq = 1 in {
def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
(ins addrmode3:$addr), IndexModePre,
LdMiscFrm, IIC_iLoad_d_ru,
let Inst{11-8} = offset{7-4}; // imm7_4/zero
let Inst{3-0} = offset{3-0}; // imm3_0/Rm
}
+} // hasExtraDefRegAllocReq = 1
} // mayLoad = 1, neverHasSideEffects = 1
// LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePre, StFrm, IIC_iStore_ru,
- "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ "str", "\t$Rt, [$Rn, $offset]!",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb,
(pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePost, StFrm, IIC_iStore_ru,
- "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ "str", "\t$Rt, [$Rn], $offset",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb,
(post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePre, StFrm, IIC_iStore_bh_ru,
- "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ "strb", "\t$Rt, [$Rn, $offset]!",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
GPR:$Rn, am2offset:$offset))]>;
def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePost, StFrm, IIC_iStore_bh_ru,
- "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ "strb", "\t$Rt, [$Rn], $offset",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
GPR:$Rn, am2offset:$offset))]>;
def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
IndexModePre, StMiscFrm, IIC_iStore_ru,
- "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ "strh", "\t$Rt, [$Rn, $offset]!",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb,
(pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
- "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ "strh", "\t$Rt, [$Rn], $offset",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
GPR:$Rn, am3offset:$offset))]>;
// For disassembly only
+let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
(ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
StMiscFrm, IIC_iStore_d_ru,
StMiscFrm, IIC_iStore_d_ru,
"strd", "\t$src1, $src2, [$base], $offset",
"$base = $base_wb", []>;
+} // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
// STRT, STRBT, and STRHT are for disassembly only.
multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
InstrItinClass itin, InstrItinClass itin_upd> {
+ // IA is the default, so no need for an explicit suffix on the
+ // mnemonic here. Without it is the cannonical spelling.
def IA :
AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
IndexModeNone, f, itin,
- !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
+ !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
let Inst{24-23} = 0b01; // Increment After
let Inst{21} = 0; // No writeback
let Inst{20} = L_bit;
def IA_UPD :
AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
IndexModeUpd, f, itin_upd,
- !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
let Inst{24-23} = 0b01; // Increment After
let Inst{21} = 1; // Writeback
let Inst{20} = L_bit;
} // neverHasSideEffects
-// Load / Store Multiple Mnemonic Aliases
-def : MnemonicAlias<"ldm", "ldmia">;
-def : MnemonicAlias<"stm", "stmia">;
-
// FIXME: remove when we have a way to marking a MI with these properties.
// FIXME: Should pc be an implicit operand like PICADD, etc?
let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
-def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
- reglist:$regs, variable_ops),
- Size4Bytes, IIC_iLoad_mBr, []>,
+def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
+ reglist:$regs, variable_ops),
+ 4, IIC_iLoad_mBr, [],
+ (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
RegConstraint<"$Rn = $wb">;
//===----------------------------------------------------------------------===//
let Inst{15-12} = Rd;
}
-def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
- DPSoRegFrm, IIC_iMOVsr,
- "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
+def MOVsr : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_reg:$src),
+ DPSoRegRegFrm, IIC_iMOVsr,
+ "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_reg:$src)]>,
UnaryDP {
bits<4> Rd;
bits<12> src;
let Inst{15-12} = Rd;
let Inst{19-16} = 0b0000;
- let Inst{11-0} = src;
+ let Inst{11-8} = src{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = src{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = src{3-0};
let Inst{25} = 0;
}
+def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
+ DPSoRegImmFrm, IIC_iMOVsr,
+ "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
+ UnaryDP {
+ bits<4> Rd;
+ bits<12> src;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = 0b0000;
+ let Inst{11-5} = src{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = src{3-0};
+ let Inst{25} = 0;
+}
+
+
+
let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
"mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
}
let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
-def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
+def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
DPFrm, IIC_iMOVi,
"movw", "\t$Rd, $imm",
[(set GPR:$Rd, imm0_65535:$imm)]>,
let Inst{25} = 1;
}
+def : InstAlias<"mov${p} $Rd, $imm",
+ (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
+ Requires<[IsARM]>;
+
def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
(ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
let Constraints = "$src = $Rd" in {
-def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
+def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
DPFrm, IIC_iMOVi,
"movt", "\t$Rd, $imm",
[(set GPR:$Rd,
def SBFX : I<(outs GPR:$Rd),
(ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
"sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
Requires<[IsARM, HasV6T2]> {
bits<4> Rd;
def UBFX : I<(outs GPR:$Rd),
(ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
"ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
Requires<[IsARM, HasV6T2]> {
bits<4> Rd;
defm ADD : AsI1_bin_irs<0b0100, "add",
IIC_iALUi, IIC_iALUr, IIC_iALUsr,
- BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
defm SUB : AsI1_bin_irs<0b0010, "sub",
IIC_iALUi, IIC_iALUr, IIC_iALUsr,
- BinOpFrag<(sub node:$LHS, node:$RHS)>>;
+ BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
// ADD and SUB with 's' bit set.
defm ADDS : AI1_bin_s_irs<0b0100, "adds",
BinOpFrag<(subc node:$LHS, node:$RHS)>>;
defm ADC : AI1_adde_sube_irs<0b0101, "adc",
- BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
+ "ADC", 1>;
defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
- BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
+ BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
+ "SBC">;
// ADC and SUBC with 's' bit set.
-defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
- BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
-defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
- BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
+let usesCustomInserter = 1 in {
+defm ADCS : AI1_adde_sube_s_irs<
+ BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
+defm SBCS : AI1_adde_sube_s_irs<
+ BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
+}
def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
let Inst{19-16} = Rn;
}
-def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
+def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
+ DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
- let Inst{11-0} = shift;
- let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
-}
-
-// RSB with 's' bit set.
-let isCodeGenOnly = 1, Defs = [CPSR] in {
-def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
- IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{20} = 1;
let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{11-0} = imm;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
}
-def RSBSrr : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
- IIC_iALUr, "rsbs", "\t$Rd, $Rn, $Rm",
- [/* For disassembly only; pattern left blank */]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<4> Rm;
- let Inst{11-4} = 0b00000000;
- let Inst{25} = 0;
- let Inst{20} = 1;
- let Inst{3-0} = Rm;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
-}
-def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
+
+def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
+ DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
- let Inst{20} = 1;
- let Inst{11-0} = shift;
- let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
}
+
+// RSB with 's' bit set.
+// NOTE: CPSR def omitted because it will be handled by the custom inserter.
+let usesCustomInserter = 1 in {
+def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ 4, IIC_iALUi,
+ [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
+def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ 4, IIC_iALUr,
+ [/* For disassembly only; pattern left blank */]>;
+def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
+ 4, IIC_iALUsr,
+ [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
+def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
+ 4, IIC_iALUsr,
+ [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
}
let Uses = [CPSR] in {
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
}
-def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
+def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
+ DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
- let Inst{11-0} = shift;
- let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
-}
-}
-
-// FIXME: Allow these to be predicated.
-let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
-def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{20} = 1;
let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{11-0} = imm;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
}
-def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
- Requires<[IsARM]> {
+def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
+ DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
+ Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
- let Inst{20} = 1;
- let Inst{11-0} = shift;
- let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
}
}
+
+// NOTE: CPSR def omitted because it will be handled by the custom inserter.
+let usesCustomInserter = 1, Uses = [CPSR] in {
+def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ 4, IIC_iALUi,
+ [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
+def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
+ 4, IIC_iALUsr,
+ [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
+def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
+ 4, IIC_iALUsr,
+ [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
+}
+
// (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
// The assume-no-carry-in form uses the negation of the input since add/sub
// assume opposite meanings of the carry flag (i.e., carry == !borrow).
// The with-carry-in form matches bitwise not instead of the negation.
// Effectively, the inverse interpretation of the carry flag already accounts
// for part of the negation.
-def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
+def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
(SBCri GPR:$src, so_imm_not:$imm)>;
+def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
+ (SBCSri GPR:$src, so_imm_not:$imm)>;
// Note: These are implemented in C++ code, because they have to generate
// ADD/SUBrs instructions, which use a complex pattern that a xform function
// (mul X, 2^n+1) -> (add (X << n), X)
// (mul X, 2^n-1) -> (rsb X, (X << n))
-// ARM Arithmetic Instruction -- for disassembly only
+// ARM Arithmetic Instruction
// GPR:$dst = GPR:$a op GPR:$b
class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
- list<dag> pattern = [/* For disassembly only; pattern left blank */],
+ list<dag> pattern = [],
dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
: AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
bits<4> Rn;
let Inst{3-0} = Rm;
}
-// Saturating add/subtract -- for disassembly only
+// Saturating add/subtract
def QADD : AAI<0b00010000, 0b00000101, "qadd",
[(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
-// Signed/Unsigned add/subtract -- for disassembly only
+// Signed/Unsigned add/subtract
def SASX : AAI<0b01100001, 0b11110011, "sasx">;
def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
-// Signed/Unsigned halving add/subtract -- for disassembly only
+// Signed/Unsigned halving add/subtract
def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
// Signed/Unsigned saturate -- for disassembly only
-def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
- SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
- [/* For disassembly only; pattern left blank */]> {
+def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$a, shift_imm:$sh),
+ SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh", []> {
bits<4> Rd;
bits<5> sat_imm;
bits<4> Rn;
let Inst{3-0} = Rn;
}
-def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
- NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
- [/* For disassembly only; pattern left blank */]> {
+def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn), SatFrm,
+ NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
bits<4> Rd;
bits<4> sat_imm;
bits<4> Rn;
defm AND : AsI1_bin_irs<0b0000, "and",
IIC_iBITi, IIC_iBITr, IIC_iBITsr,
- BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
defm ORR : AsI1_bin_irs<0b1100, "orr",
IIC_iBITi, IIC_iBITr, IIC_iBITsr,
- BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
defm EOR : AsI1_bin_irs<0b0001, "eor",
IIC_iBITi, IIC_iBITr, IIC_iBITsr,
- BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
defm BIC : AsI1_bin_irs<0b1110, "bic",
IIC_iBITi, IIC_iBITr, IIC_iBITsr,
- BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
+ BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
"bfc", "\t$Rd, $imm", "$src = $Rd",
[(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
Requires<[IsARM, HasV6T2]> {
// A8.6.18 BFI - Bitfield insert (Encoding A1)
def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
"bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
[(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
bf_inv_mask_imm:$imm))]>,
let isAsmParserOnly = 1 in
def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
lsb_pos_imm:$lsb, width_imm:$width),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
"bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
[]>, Requires<[IsARM, HasV6T2]> {
bits<4> Rd;
let Inst{15-12} = Rd;
let Inst{3-0} = Rm;
}
-def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
+def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift), DPSoRegImmFrm,
+ IIC_iMVNsr, "mvn", "\t$Rd, $shift",
+ [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
+ bits<4> Rd;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{19-16} = 0b0000;
+ let Inst{15-12} = Rd;
+ let Inst{11-5} = shift{11-5};
+ let Inst{4} = 0;
+ let Inst{3-0} = shift{3-0};
+}
+def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift), DPSoRegRegFrm,
IIC_iMVNsr, "mvn", "\t$Rd, $shift",
- [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
+ [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
bits<4> Rd;
bits<12> shift;
let Inst{25} = 0;
let Inst{19-16} = 0b0000;
let Inst{15-12} = Rd;
- let Inst{11-0} = shift;
+ let Inst{11-8} = shift{11-8};
+ let Inst{7} = 0;
+ let Inst{6-5} = shift{6-5};
+ let Inst{4} = 1;
+ let Inst{3-0} = shift{3-0};
}
let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
let Inst{3-0} = Rn;
}
+// FIXME: The v5 pseudos are only necessary for the additional Constraint
+// property. Remove them when it's possible to add those properties
+// on an individual MachineInstr, not just an instuction description.
let isCommutable = 1 in {
-let Constraints = "@earlyclobber $Rd" in
-def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
- pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMUL32,
- [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
- Requires<[IsARM, NoV6]>;
-
def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
[(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM, HasV6]> {
let Inst{15-12} = 0b0000;
}
-}
let Constraints = "@earlyclobber $Rd" in
-def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMAC32,
- [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
- Requires<[IsARM, NoV6]> {
- bits<4> Ra;
- let Inst{15-12} = Ra;
+def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
+ pred:$p, cc_out:$s),
+ 4, IIC_iMUL32,
+ [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
+ (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
+ Requires<[IsARM, NoV6]>;
}
+
def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
let Inst{15-12} = Ra;
}
+let Constraints = "@earlyclobber $Rd" in
+def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
+ 4, IIC_iMAC32,
+ [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
+ (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
+ Requires<[IsARM, NoV6]>;
+
def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
}
// Extra precision multiplies with low / high results
-
let neverHasSideEffects = 1 in {
let isCommutable = 1 in {
-let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
-def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
- (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMUL64, []>,
- Requires<[IsARM, NoV6]>;
-
-def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
- (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMUL64, []>,
- Requires<[IsARM, NoV6]>;
-}
-
def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
- (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
+ (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
"smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
Requires<[IsARM, HasV6]>;
def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
- (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
+ (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
"umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
Requires<[IsARM, HasV6]>;
-}
-// Multiply + accumulate
let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
-def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMAC64, []>,
+ 4, IIC_iMUL64, [],
+ (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
Requires<[IsARM, NoV6]>;
-def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
- (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMAC64, []>,
- Requires<[IsARM, NoV6]>;
-def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+
+def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMAC64, []>,
+ 4, IIC_iMUL64, [],
+ (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
Requires<[IsARM, NoV6]>;
-
+}
}
+// Multiply + accumulate
def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
"smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
let Inst{11-8} = Rm;
let Inst{3-0} = Rn;
}
+
+let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
+def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ 4, IIC_iMAC64, [],
+ (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
+ Requires<[IsARM, NoV6]>;
+def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ 4, IIC_iMAC64, [],
+ (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
+ Requires<[IsARM, NoV6]>;
+def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p),
+ 4, IIC_iMAC64, [],
+ (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
+ Requires<[IsARM, NoV6]>;
+}
+
} // neverHasSideEffects
// Most significant word multiply
: AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
bits<4> Rn;
bits<4> Rm;
- let Inst{4} = 1;
- let Inst{5} = swap;
- let Inst{6} = sub;
- let Inst{7} = 0;
- let Inst{21-20} = 0b00;
- let Inst{22} = long;
let Inst{27-23} = 0b01110;
+ let Inst{22} = long;
+ let Inst{21-20} = 0b00;
let Inst{11-8} = Rm;
+ let Inst{7} = 0;
+ let Inst{6} = sub;
+ let Inst{5} = swap;
+ let Inst{4} = 1;
let Inst{3-0} = Rn;
}
class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
InstrItinClass itin, string opc, string asm>
: AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
bits<4> Ra;
+ bits<4> Rd;
+ let Inst{19-16} = Rd;
let Inst{15-12} = Ra;
}
class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
IIC_iUNAr, "rev", "\t$Rd, $Rm",
[(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
+let AddedComplexity = 5 in
def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
IIC_iUNAr, "rev16", "\t$Rd, $Rm",
- [(set GPR:$Rd,
- (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
- (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
- (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
- (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
+ [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
Requires<[IsARM, HasV6]>;
+let AddedComplexity = 5 in
def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
IIC_iUNAr, "revsh", "\t$Rd, $Rm",
- [(set GPR:$Rd,
- (sext_inreg
- (or (srl GPR:$Rm, (i32 8)),
- (shl GPR:$Rm, (i32 8))), i16))]>,
+ [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
Requires<[IsARM, HasV6]>;
-def : ARMV6Pat<(sext_inreg (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
- (shl GPR:$Rm, (i32 8))), i16),
+def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
+ (and (srl GPR:$Rm, (i32 8)), 0xFF)),
(REVSH GPR:$Rm)>;
-// Need the AddedComplexity or else MOVs + REV would be chosen.
-let AddedComplexity = 5 in
-def : ARMV6Pat<(sra (bswap GPR:$Rm), (i32 16)), (REVSH GPR:$Rm)>;
-
-def lsl_shift_imm : SDNodeXForm<imm, [{
- unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
- return CurDAG->getTargetConstant(Sh, MVT::i32);
-}]>;
-
-def lsl_amt : PatLeaf<(i32 imm), [{
- return (N->getZExtValue() < 32);
-}], lsl_shift_imm>;
-
def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
- (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
+ (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
[(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
- (and (shl GPR:$Rm, lsl_amt:$sh),
+ (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
0xFFFF0000)))]>,
Requires<[IsARM, HasV6]>;
def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
(PKHBT GPR:$Rn, GPR:$Rm, 0)>;
def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
- (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
-
-def asr_shift_imm : SDNodeXForm<imm, [{
- unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
- return CurDAG->getTargetConstant(Sh, MVT::i32);
-}]>;
-
-def asr_amt : PatLeaf<(i32 imm), [{
- return (N->getZExtValue() <= 32);
-}], asr_shift_imm>;
+ (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
// Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
// will match the pattern below.
def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
- (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
+ (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
[(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
- (and (sra GPR:$Rm, asr_amt:$sh),
+ (and (sra GPR:$Rm, pkh_asr_amt:$sh),
0xFFFF)))]>,
Requires<[IsARM, HasV6]>;
// 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 : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
- (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
+ (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
(and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
- (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
+ (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
//===----------------------------------------------------------------------===//
// Comparison Instructions...
(CMPri GPR:$src, so_imm:$imm)>;
def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
(CMPrr GPR:$src, GPR:$rhs)>;
-def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
- (CMPrs GPR:$src, so_reg:$rhs)>;
+def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
+ (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
+def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
+ (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
// FIXME: We have to be careful when using the CMN instruction and comparison
// with 0. One would expect these two pieces of code should give identical
// a two-value operand where a dag node expects two operands. :(
let neverHasSideEffects = 1 in {
def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
- Size4Bytes, IIC_iCMOVr,
+ 4, IIC_iCMOVr,
[/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
RegConstraint<"$false = $Rd">;
-def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, so_reg:$shift, pred:$p),
- Size4Bytes, IIC_iCMOVsr,
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
+def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, so_reg_imm:$shift, pred:$p),
+ 4, IIC_iCMOVsr,
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">;
+def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, so_reg_reg:$shift, pred:$p),
+ 4, IIC_iCMOVsr,
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
RegConstraint<"$false = $Rd">;
+
let isMoveImm = 1 in
def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
- Size4Bytes, IIC_iMOVi,
+ (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
+ 4, IIC_iMOVi,
[]>,
RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
let isMoveImm = 1 in
def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$false, so_imm:$imm, pred:$p),
- Size4Bytes, IIC_iCMOVi,
+ 4, IIC_iCMOVi,
[/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
RegConstraint<"$false = $Rd">;
let isMoveImm = 1 in
def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$false, i32imm:$src, pred:$p),
- Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
+ 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
let isMoveImm = 1 in
def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$false, so_imm:$imm, pred:$p),
- Size4Bytes, IIC_iCMOVi,
+ 4, IIC_iCMOVi,
[/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
RegConstraint<"$false = $Rd">;
} // neverHasSideEffects
}
def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
- "dsb", "\t$opt",
- [/* For disassembly only; pattern left blank */]>,
+ "dsb", "\t$opt", []>,
Requires<[IsARM, HasDB]> {
bits<4> opt;
let Inst{31-4} = 0xf57ff04;
let Inst{3-0} = opt;
}
-// ISB has only full system option -- for disassembly only
-def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
+// ISB has only full system option
+def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
+ "isb", "\t$opt", []>,
Requires<[IsARM, HasDB]> {
+ bits<4> opt;
let Inst{31-4} = 0xf57ff06;
- let Inst{3-0} = 0b1111;
+ let Inst{3-0} = opt;
}
let usesCustomInserter = 1 in {
def ATOMIC_LOAD_NAND_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
+ def ATOMIC_LOAD_MIN_I8 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_MAX_I8 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
def ATOMIC_LOAD_ADD_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
+ def ATOMIC_LOAD_MIN_I16 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_MAX_I16 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
def ATOMIC_LOAD_ADD_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
+ def ATOMIC_LOAD_MIN_I32 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_MAX_I32 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
+ def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
+ [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
def ATOMIC_SWAP_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
"ldrexh", "\t$Rt, $addr", []>;
def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
"ldrex", "\t$Rt, $addr", []>;
-def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
- NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
+let hasExtraDefRegAllocReq = 1 in
+ def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
+ NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
}
let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
+}
+
+let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
def STREXD : AIstrex<0b01, (outs GPR:$Rd),
(ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
-}
// Clear-Exclusive is for disassembly only.
def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
// Coprocessor Instructions.
//
-def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
- c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
+ [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
+ imm:$CRm, imm:$opc2)]> {
bits<4> opc1;
bits<4> CRn;
bits<4> CRd;
let Inst{23-20} = opc1;
}
-def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
- c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
+ [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
+ imm:$CRm, imm:$opc2)]> {
let Inst{31-28} = 0b1111;
bits<4> opc1;
bits<4> CRn;
class ACI<dag oops, dag iops, string opc, string asm,
IndexMode im = IndexModeNone>
- : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
+ : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
opc, asm, "", [/* For disassembly only; pattern left blank */]> {
let Inst{27-25} = 0b110;
}
// Move between coprocessor and ARM core register -- for disassembly only
//
-class MovRCopro<string opc, bit direction, dag oops, dag iops>
+class MovRCopro<string opc, bit direction, dag oops, dag iops,
+ list<dag> pattern>
: ABI<0b1110, oops, iops, NoItinerary, opc,
- "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
+ "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
let Inst{20} = direction;
let Inst{4} = 1;
}
def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
- (outs), (ins p_imm:$cop, i32imm:$opc1,
- GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
- i32imm:$opc2)>;
+ (outs),
+ (ins p_imm:$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:$opc2)]>;
def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
- (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
- c_imm:$CRn, c_imm:$CRm, i32imm:$opc2)>;
+ (outs GPR:$Rt),
+ (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
+ imm0_7:$opc2), []>;
+
+def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
+ (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
-class MovRCopro2<string opc, bit direction, dag oops, dag iops>
+class MovRCopro2<string opc, bit direction, dag oops, dag iops,
+ list<dag> pattern>
: ABXI<0b1110, oops, iops, NoItinerary,
- !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
- [/* For disassembly only; pattern left blank */]> {
+ !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
let Inst{31-28} = 0b1111;
let Inst{20} = direction;
let Inst{4} = 1;
}
def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
- (outs), (ins p_imm:$cop, i32imm:$opc1,
- GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
- i32imm:$opc2)>;
+ (outs),
+ (ins p_imm:$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:$opc2)]>;
def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
- (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
- c_imm:$CRn, c_imm:$CRm,
- i32imm:$opc2)>;
+ (outs GPR:$Rt),
+ (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
+ imm0_7:$opc2), []>;
-class MovRRCopro<string opc, bit direction>
- : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
+def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
+ imm:$CRm, imm:$opc2),
+ (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
+
+class MovRRCopro<string opc, bit direction,
+ list<dag> pattern = [/* For disassembly only */]>
+ : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
- NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
- [/* For disassembly only; pattern left blank */]> {
+ NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
let Inst{23-21} = 0b010;
let Inst{20} = direction;
let Inst{3-0} = CRm;
}
-def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
+def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
+ [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
+ imm:$CRm)]>;
def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
-class MovRRCopro2<string opc, bit direction>
- : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
- GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
- NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
- [/* For disassembly only; pattern left blank */]> {
+class MovRRCopro2<string opc, bit direction,
+ list<dag> pattern = [/* For disassembly only */]>
+ : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
+ GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
+ !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
let Inst{31-28} = 0b1111;
let Inst{23-21} = 0b010;
let Inst{20} = direction;
let Inst{3-0} = CRm;
}
-def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
+def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
+ [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
+ imm:$CRm)]>;
def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
//===----------------------------------------------------------------------===//
-// Move between special register and ARM core register -- for disassembly only
+// Move between special register and ARM core register
//
// Move to ARM core register from Special Register
-def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
- [/* For disassembly only; pattern left blank */]> {
+def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
+ "mrs", "\t$Rd, apsr", []> {
bits<4> Rd;
let Inst{23-16} = 0b00001111;
let Inst{15-12} = Rd;
let Inst{7-4} = 0b0000;
}
-def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
- [/* For disassembly only; pattern left blank */]> {
+def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
+
+def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
+ "mrs", "\t$Rd, spsr", []> {
bits<4> Rd;
let Inst{23-16} = 0b01001111;
let Inst{15-12} = Rd;
// operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
// the mask with the fields to be accessed in the special register.
def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
- "msr", "\t$mask, $Rn",
- [/* For disassembly only; pattern left blank */]> {
+ "msr", "\t$mask, $Rn", []> {
bits<5> mask;
bits<4> Rn;
}
def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
- "msr", "\t$mask, $a",
- [/* For disassembly only; pattern left blank */]> {
+ "msr", "\t$mask, $a", []> {
bits<5> mask;
bits<12> a;
// here, and we're using the stack frame for the containing function to
// save/restore registers, we can't keep anything live in regs across
// the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
-// when we get here from a longjmp(). We force everthing out of registers
+// when we get here from a longjmp(). We force everything out of registers
// except for our own input by listing the relevant registers in Defs. By
// doing so, we also cause the prologue/epilogue code to actively preserve
// all of the callee-saved resgisters, which is exactly what we want.
// These are pseudo-instructions and are lowered to individual MC-insts, so
// no encoding information is necessary.
let Defs =
- [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
- D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
- D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
- D31 ], hasSideEffects = 1, isBarrier = 1 in {
+ [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
+ QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
NoItinerary,
[(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
}
let Defs =
- [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
+ [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
hasSideEffects = 1, isBarrier = 1 in {
def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
NoItinerary,
// that need the instruction size).
let isBarrier = 1, hasSideEffects = 1 in
def Int_eh_sjlj_dispatchsetup :
- PseudoInst<(outs), (ins), NoItinerary,
- [(ARMeh_sjlj_dispatchsetup)]>,
+ PseudoInst<(outs), (ins GPR:$src), NoItinerary,
+ [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
Requires<[IsDarwin]>;
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//
+// ARMv4 indirect branch using (MOVr PC, dst)
+let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
+ def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
+ 4, IIC_Br, [(brind GPR:$dst)],
+ (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
+ Requires<[IsARM, NoV4T]>;
+
// Large immediate handling.
// 32-bit immediate using two piece so_imms or movw + movt.
include "ARMInstrNEON.td"
+//===----------------------------------------------------------------------===//
+// Assembler aliases
+//
+
+// Memory barriers
+def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
+def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
+def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
+
+// System instructions
+def : MnemonicAlias<"swi", "svc">;
+
+// Load / Store Multiple
+def : MnemonicAlias<"ldmfd", "ldm">;
+def : MnemonicAlias<"ldmia", "ldm">;
+def : MnemonicAlias<"stmfd", "stmdb">;
+def : MnemonicAlias<"stmia", "stm">;
+def : MnemonicAlias<"stmea", "stm">;
+
+// PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
+// shift amount is zero (i.e., unspecified).
+def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
+ (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
+def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
+ (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
+
+// PUSH/POP aliases for STM/LDM
+def : InstAlias<"push${p} $regs",
+ (STMDB_UPD SP, pred:$p, reglist:$regs)>;
+def : InstAlias<"pop${p} $regs",
+ (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
+
+// RSB two-operand forms (optional explicit destination operand)
+def : InstAlias<"rsb${s}${p} $Rdn, $imm",
+ (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
+ Requires<[IsARM]>;
+def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
+ (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
+ Requires<[IsARM]>;
+def : InstAlias<"rsb${s}${p} $Rdn, $shift",
+ (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
+ cc_out:$s)>, Requires<[IsARM]>;
+def : InstAlias<"rsb${s}${p} $Rdn, $shift",
+ (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
+ cc_out:$s)>, Requires<[IsARM]>;
+// RSC two-operand forms (optional explicit destination operand)
+def : InstAlias<"rsc${s}${p} $Rdn, $imm",
+ (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
+ Requires<[IsARM]>;
+def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
+ (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
+ Requires<[IsARM]>;
+def : InstAlias<"rsc${s}${p} $Rdn, $shift",
+ (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
+ cc_out:$s)>, Requires<[IsARM]>;
+def : InstAlias<"rsc${s}${p} $Rdn, $shift",
+ (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
+ cc_out:$s)>, Requires<[IsARM]>;
projects / oota-llvm.git / blobdiff