def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
-def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
+def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
def SDT_ARMCMov : SDTypeProfile<1, 3,
[SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
[SDTCisPtrTy<0>, SDTCisVT<1, i32>,
SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
+def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
+ [SDTCisVT<0, i32>,
+ SDTCisVT<1, i32>, SDTCisVT<2, i32>,
+ SDTCisVT<3, i32>, SDTCisVT<4, i32>,
+ SDTCisVT<5, OtherVT>]>;
+
+def SDT_ARMAnd : SDTypeProfile<1, 2,
+ [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
+ SDTCisVT<2, i32>]>;
+
def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
SDTCisInt<2>]>;
+def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
+
+def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
+def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
+def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
+def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
+
+def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
-def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
-def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
-def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
-def SDT_ARMSYNCBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
+def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
+ SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
// Node definitions.
def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ SDNPVariadic]>;
def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ SDNPVariadic]>;
def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ SDNPVariadic]>;
def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
[SDNPHasChain, SDNPOptInFlag]>;
def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
[SDNPHasChain]>;
+def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
+ [SDNPHasChain]>;
+
+def ARMand : SDNode<"ARMISD::AND", SDT_ARMAnd,
+ [SDNPOutFlag]>;
+
def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
[SDNPOutFlag]>;
def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
- [SDNPOutFlag,SDNPCommutative]>;
+ [SDNPOutFlag, SDNPCommutative]>;
def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
-def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
-
-def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
- [SDNPHasChain]>;
-def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
- [SDNPHasChain]>;
-def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
- [SDNPHasChain]>;
-def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
- [SDNPHasChain]>;
+def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
+ SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
+def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
+ SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
+
+def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
+ [SDNPHasChain]>;
+def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
+ [SDNPHasChain]>;
+def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
+ [SDNPHasChain]>;
+def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
+ [SDNPHasChain]>;
def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
+def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
+ [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
+
+
+def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
+
//===----------------------------------------------------------------------===//
// ARM Instruction Predicate Definitions.
//
-def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
-def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
-def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
-def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
-def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
-def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
-def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
-def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
-def HasNEON : Predicate<"Subtarget->hasNEON()">;
-def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
+def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
+def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
+def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
+def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
+def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
+def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
+def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
+def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
+def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
+def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
+def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
+def HasNEON : Predicate<"Subtarget->hasNEON()">;
+def HasDivide : Predicate<"Subtarget->hasDivide()">;
+def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
+def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
+def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
-def IsThumb : Predicate<"Subtarget->isThumb()">;
-def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
-def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
-def IsARM : Predicate<"!Subtarget->isThumb()">;
-def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
-def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
+def IsThumb : Predicate<"Subtarget->isThumb()">;
+def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
+def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
+def IsARM : Predicate<"!Subtarget->isThumb()">;
+def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
+def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
// FIXME: Eventually this will be just "hasV6T2Ops".
-def UseMovt : Predicate<"Subtarget->useMovt()">;
-def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
+def UseMovt : Predicate<"Subtarget->useMovt()">;
+def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
+def UseVMLx : Predicate<"Subtarget->useVMLx()">;
//===----------------------------------------------------------------------===//
// ARM Flag Definitions.
/// e.g., 0xf000ffff
def bf_inv_mask_imm : Operand<i32>,
PatLeaf<(imm), [{
- uint32_t v = (uint32_t)N->getZExtValue();
- if (v == 0xffffffff)
- return 0;
- // there can be 1's on either or both "outsides", all the "inside"
- // bits must be 0's
- unsigned int lsb = 0, msb = 31;
- while (v & (1 << msb)) --msb;
- while (v & (1 << lsb)) ++lsb;
- for (unsigned int i = lsb; i <= msb; ++i) {
- if (v & (1 << i))
- return 0;
- }
- return 1;
+ return ARM::isBitFieldInvertedMask(N->getZExtValue());
}] > {
let PrintMethod = "printBitfieldInvMaskImmOperand";
}
/// Split a 32-bit immediate into two 16 bit parts.
-def lo16 : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
- MVT::i32);
-}]>;
-
def hi16 : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
}]>;
let PrintMethod = "printPCLabel";
}
+// shift_imm: An integer that encodes a shift amount and the type of shift
+// (currently either asr or lsl) using the same encoding used for the
+// immediates in so_reg operands.
+def shift_imm : Operand<i32> {
+ let PrintMethod = "printShiftImmOperand";
+}
+
// shifter_operand operands: so_reg and so_imm.
def so_reg : Operand<i32>, // reg reg imm
- ComplexPattern<i32, 3, "SelectShifterOperandReg",
+ ComplexPattern<i32, 3, "SelectShifterOperandReg",
[shl,srl,sra,rotr]> {
let PrintMethod = "printSORegOperand";
let MIOperandInfo = (ops GPR, GPR, i32imm);
// represented in the imm field in the same 12-bit form that they are encoded
// into so_imm instructions: the 8-bit immediate is the least significant bits
// [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
-def so_imm : Operand<i32>,
- PatLeaf<(imm), [{
- return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
- }]> {
+def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
let PrintMethod = "printSOImmOperand";
}
// Define ARM specific addressing modes.
-// addrmode2 := reg +/- reg shop imm
-// addrmode2 := reg +/- imm12
+// addrmode2base := reg +/- imm12
+//
+def addrmode2base : Operand<i32>,
+ ComplexPattern<i32, 3, "SelectAddrMode2Base", []> {
+ let PrintMethod = "printAddrMode2Operand";
+ let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
+}
+// addrmode2shop := reg +/- reg shop imm
+//
+def addrmode2shop : Operand<i32>,
+ ComplexPattern<i32, 3, "SelectAddrMode2ShOp", []> {
+ let PrintMethod = "printAddrMode2Operand";
+ let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
+}
+
+// addrmode2 := (addrmode2base || addrmode2shop)
//
def addrmode2 : Operand<i32>,
ComplexPattern<i32, 3, "SelectAddrMode2", []> {
}
def am2offset : Operand<i32>,
- ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
+ ComplexPattern<i32, 2, "SelectAddrMode2Offset",
+ [], [SDNPWantRoot]> {
let PrintMethod = "printAddrMode2OffsetOperand";
let MIOperandInfo = (ops GPR, i32imm);
}
}
def am3offset : Operand<i32>,
- ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
+ ComplexPattern<i32, 2, "SelectAddrMode3Offset",
+ [], [SDNPWantRoot]> {
let PrintMethod = "printAddrMode3OffsetOperand";
let MIOperandInfo = (ops GPR, i32imm);
}
def addrmode4 : Operand<i32>,
ComplexPattern<i32, 2, "SelectAddrMode4", []> {
let PrintMethod = "printAddrMode4Operand";
- let MIOperandInfo = (ops GPR, i32imm);
+ let MIOperandInfo = (ops GPR:$addr, i32imm);
}
// addrmode5 := reg +/- imm8*4
def addrmode5 : Operand<i32>,
ComplexPattern<i32, 2, "SelectAddrMode5", []> {
let PrintMethod = "printAddrMode5Operand";
- let MIOperandInfo = (ops GPR, i32imm);
+ let MIOperandInfo = (ops GPR:$base, i32imm);
}
// addrmode6 := reg with optional writeback
//
def addrmode6 : Operand<i32>,
- ComplexPattern<i32, 4, "SelectAddrMode6", []> {
+ ComplexPattern<i32, 2, "SelectAddrMode6", []> {
let PrintMethod = "printAddrMode6Operand";
- let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm, i32imm);
+ let MIOperandInfo = (ops GPR:$addr, i32imm);
+}
+
+def am6offset : Operand<i32> {
+ let PrintMethod = "printAddrMode6OffsetOperand";
+ let MIOperandInfo = (ops GPR);
}
// addrmodepc := pc + reg
/// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
/// binop that produces a value.
-multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
+multiclass AsI1_bin_irs<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, bit Commutable = 0> {
+ // The register-immediate version is re-materializable. This is useful
+ // in particular for taking the address of a local.
+ let isReMaterializable = 1 in {
def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
- IIC_iALUi, opc, "\t$dst, $a, $b",
+ iii, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
let Inst{25} = 1;
}
+ }
def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
- IIC_iALUr, opc, "\t$dst, $a, $b",
+ iir, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
let isCommutable = Commutable;
}
def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
- IIC_iALUsr, opc, "\t$dst, $a, $b",
+ iis, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
let Inst{25} = 0;
}
/// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
/// instruction modifies the CPSR register.
let Defs = [CPSR] in {
-multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
+multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, bit Commutable = 0> {
def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
- IIC_iALUi, opc, "\t$dst, $a, $b",
+ iii, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
let Inst{20} = 1;
let Inst{25} = 1;
}
def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
- IIC_iALUr, opc, "\t$dst, $a, $b",
+ iir, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
let isCommutable = Commutable;
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
}
def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
- IIC_iALUsr, opc, "\t$dst, $a, $b",
+ iis, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
let Inst{20} = 1;
let Inst{25} = 0;
/// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
/// patterns. Similar to AsI1_bin_irs except the instruction does not produce
/// a explicit result, only implicitly set CPSR.
-let Defs = [CPSR] in {
-multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
- def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
+let isCompare = 1, Defs = [CPSR] in {
+multiclass AI1_cmp_irs<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, bit Commutable = 0> {
+ def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, iii,
opc, "\t$a, $b",
[(opnode GPR:$a, so_imm:$b)]> {
let Inst{20} = 1;
let Inst{25} = 1;
}
- def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
+ def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, iir,
opc, "\t$a, $b",
[(opnode GPR:$a, GPR:$b)]> {
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
let isCommutable = Commutable;
}
- def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
+ def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, iis,
opc, "\t$a, $b",
[(opnode GPR:$a, so_reg:$b)]> {
let Inst{20} = 1;
}
}
-/// AI_unary_rrot - A unary operation with two forms: one whose operand is a
+/// AI_ext_rrot - A unary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
/// FIXME: Remove the 'r' variant. Its rot_imm is zero.
-multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
+multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
- IIC_iUNAr, opc, "\t$dst, $src",
+ IIC_iEXTr, opc, "\t$dst, $src",
[(set GPR:$dst, (opnode GPR:$src))]>,
Requires<[IsARM, HasV6]> {
let Inst{11-10} = 0b00;
let Inst{19-16} = 0b1111;
}
def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
- IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
+ IIC_iEXTr, opc, "\t$dst, $src, ror $rot",
[(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
Requires<[IsARM, HasV6]> {
let Inst{19-16} = 0b1111;
}
}
-/// AI_bin_rrot - A binary operation with two forms: one whose operand is a
+multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
+ def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
+ IIC_iEXTr, opc, "\t$dst, $src",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{11-10} = 0b00;
+ let Inst{19-16} = 0b1111;
+ }
+ def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
+ IIC_iEXTr, opc, "\t$dst, $src, ror $rot",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{19-16} = 0b1111;
+ }
+}
+
+/// AI_exta_rrot - A binary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
-multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
+multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
- IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
+ IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS",
[(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
Requires<[IsARM, HasV6]> {
let Inst{11-10} = 0b00;
}
def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
i32imm:$rot),
- IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
+ IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS, ror $rot",
[(set GPR:$dst, (opnode GPR:$LHS,
(rotr GPR:$RHS, rot_imm:$rot)))]>,
Requires<[IsARM, HasV6]>;
}
+// For disassembly only.
+multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
+ def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
+ IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{11-10} = 0b00;
+ }
+ def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
+ i32imm:$rot),
+ IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS, ror $rot",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]>;
+}
+
/// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
let Uses = [CPSR] in {
multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
let neverHasSideEffects = 1, isNotDuplicable = 1 in
def CONSTPOOL_ENTRY :
PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
- i32imm:$size), NoItinerary,
- "${instid:label} ${cpidx:cpentry}", []>;
+ i32imm:$size), NoItinerary, "", []>;
-let Defs = [SP], Uses = [SP] in {
+// FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
+// from removing one half of the matched pairs. That breaks PEI, which assumes
+// these will always be in pairs, and asserts if it finds otherwise. Better way?
+let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
def ADJCALLSTACKUP :
PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
- "@ ADJCALLSTACKUP $amt1",
+ "${:comment} ADJCALLSTACKUP $amt1",
[(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
def ADJCALLSTACKDOWN :
PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
- "@ ADJCALLSTACKDOWN $amt",
+ "${:comment} ADJCALLSTACKDOWN $amt",
[(ARMcallseq_start timm:$amt)]>;
}
let Inst{7-0} = 0b00000011;
}
+def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
+ "\t$dst, $a, $b",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{27-20} = 0b01101000;
+ let Inst{7-4} = 0b1011;
+}
+
def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6T2]> {
// opt{5} = changemode from Inst{17}
// opt{8-6} = AIF from Inst{8-6}
// opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
-def CPS : AXI<(outs),(ins i32imm:$opt), MiscFrm, NoItinerary, "cps${opt:cps}",
+def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM]> {
let Inst{31-28} = 0b1111;
// Preload signals the memory system of possible future data/instruction access.
// These are for disassembly only.
+//
+// A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
+// The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
multiclass APreLoad<bit data, bit read, string opc> {
- def i : AXI<(outs), (ins GPR:$base, i32imm:$imm), MiscFrm, NoItinerary,
+ def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
!strconcat(opc, "\t[$base, $imm]"), []> {
let Inst{31-26} = 0b111101;
let Inst{25} = 0; // 0 for immediate form
}
// A5.4 Permanently UNDEFINED instructions.
-def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
- [/* For disassembly only; pattern left blank */]>,
+let isBarrier = 1, isTerminator = 1 in
+def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
+ "trap", [(trap)]>,
Requires<[IsARM]> {
let Inst{27-25} = 0b011;
let Inst{24-20} = 0b11111;
// Address computation and loads and stores in PIC mode.
let isNotDuplicable = 1 in {
def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
- Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
+ Pseudo, IIC_iALUr, "",
[(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
let AddedComplexity = 10 in {
def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
+ Pseudo, IIC_iLoad_r, "",
[(set GPR:$dst, (load addrmodepc:$addr))]>;
def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
+ Pseudo, IIC_iLoad_bh_r, "",
[(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
+ Pseudo, IIC_iLoad_bh_r, "",
[(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
+ Pseudo, IIC_iLoad_bh_r, "",
[(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
+ Pseudo, IIC_iLoad_bh_r, "",
[(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
}
let AddedComplexity = 10 in {
def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
+ Pseudo, IIC_iStore_r, "",
[(store GPR:$src, addrmodepc:$addr)]>;
def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
+ Pseudo, IIC_iStore_bh_r, "",
[(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
+ Pseudo, IIC_iStore_bh_r, "",
[(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
}
} // isNotDuplicable = 1
// LEApcrel - Load a pc-relative address into a register without offending the
// assembler.
+let neverHasSideEffects = 1 in {
+let isReMaterializable = 1 in
def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
Pseudo, IIC_iALUi,
- !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
- "${:private}PCRELL${:uid}+8))\n"),
- !strconcat("${:private}PCRELL${:uid}:\n\t",
- "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
- []>;
+ "adr$p\t$dst, #$label", []>;
+} // neverHasSideEffects
def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
- Pseudo, IIC_iALUi,
- !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
- "(${label}_${id}-(",
- "${:private}PCRELL${:uid}+8))\n"),
- !strconcat("${:private}PCRELL${:uid}:\n\t",
- "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
- []> {
+ Pseudo, IIC_iALUi,
+ "adr$p\t$dst, #${label}_${id}", []> {
let Inst{25} = 1;
}
// Control Flow Instructions.
//
-let isReturn = 1, isTerminator = 1, isBarrier = 1 in
+let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
+ // ARMV4T and above
def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
- "bx", "\tlr", [(ARMretflag)]> {
- let Inst{3-0} = 0b1110;
- let Inst{7-4} = 0b0001;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
+ "bx", "\tlr", [(ARMretflag)]>,
+ Requires<[IsARM, HasV4T]> {
+ let Inst{3-0} = 0b1110;
+ let Inst{7-4} = 0b0001;
+ let Inst{19-8} = 0b111111111111;
+ let Inst{27-20} = 0b00010010;
+ }
+
+ // ARMV4 only
+ def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
+ "mov", "\tpc, lr", [(ARMretflag)]>,
+ Requires<[IsARM, NoV4T]> {
+ let Inst{11-0} = 0b000000001110;
+ let Inst{15-12} = 0b1111;
+ let Inst{19-16} = 0b0000;
+ let Inst{27-20} = 0b00011010;
+ }
}
// Indirect branches
let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
+ // ARMV4T and above
def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
- [(brind GPR:$dst)]> {
+ [(brind GPR:$dst)]>,
+ Requires<[IsARM, HasV4T]> {
let Inst{7-4} = 0b0001;
let Inst{19-8} = 0b111111111111;
let Inst{27-20} = 0b00010010;
let Inst{31-28} = 0b1110;
}
+
+ // ARMV4 only
+ def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
+ [(brind GPR:$dst)]>,
+ Requires<[IsARM, NoV4T]> {
+ let Inst{11-4} = 0b00000000;
+ let Inst{15-12} = 0b1111;
+ let Inst{19-16} = 0b0000;
+ let Inst{27-20} = 0b00011010;
+ let Inst{31-28} = 0b1110;
+ }
}
// 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 in
- def LDM_RET : AXI4ld<(outs),
- (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
- LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
- []>;
+ def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
+ reglist:$dsts, variable_ops),
+ IndexModeUpd, LdStMulFrm, IIC_iLoadmBr,
+ "ldm${addr:submode}${p}\t$addr!, $dsts",
+ "$addr.addr = $wb", []>;
// On non-Darwin platforms R9 is callee-saved.
let isCall = 1,
def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
IIC_Br, "mov\tlr, pc\n\tbx\t$func",
[(ARMcall_nolink tGPR:$func)]>,
- Requires<[IsARM, IsNotDarwin]> {
+ Requires<[IsARM, HasV4T, IsNotDarwin]> {
let Inst{7-4} = 0b0001;
let Inst{19-8} = 0b111111111111;
let Inst{27-20} = 0b00010010;
}
+
+ // ARMv4
+ def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
+ IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
+ [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, NoV4T, IsNotDarwin]> {
+ let Inst{11-4} = 0b00000000;
+ let Inst{15-12} = 0b1111;
+ let Inst{19-16} = 0b0000;
+ let Inst{27-20} = 0b00011010;
+ }
}
// On Darwin R9 is call-clobbered.
// Note: Restrict $func to the tGPR regclass to prevent it being in LR.
def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
IIC_Br, "mov\tlr, pc\n\tbx\t$func",
- [(ARMcall_nolink tGPR:$func)]>, Requires<[IsARM, IsDarwin]> {
+ [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, HasV4T, IsDarwin]> {
let Inst{7-4} = 0b0001;
let Inst{19-8} = 0b111111111111;
let Inst{27-20} = 0b00010010;
}
+
+ // ARMv4
+ def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
+ IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
+ [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, NoV4T, IsDarwin]> {
+ let Inst{11-4} = 0b00000000;
+ let Inst{15-12} = 0b1111;
+ let Inst{19-16} = 0b0000;
+ let Inst{27-20} = 0b00011010;
+ }
+}
+
+// Tail calls.
+
+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 : AInoP<(outs), (ins i32imm:$dst, variable_ops),
+ Pseudo, IIC_Br,
+ "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
+
+ def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
+ Pseudo, IIC_Br,
+ "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
+
+ def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
+ IIC_Br, "b\t$dst @ TAILCALL",
+ []>, Requires<[IsDarwin]>;
+
+ def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
+ IIC_Br, "b.w\t$dst @ TAILCALL",
+ []>, Requires<[IsDarwin]>;
+
+ def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
+ BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
+ []>, Requires<[IsDarwin]> {
+ let Inst{7-4} = 0b0001;
+ let Inst{19-8} = 0b111111111111;
+ let Inst{27-20} = 0b00010010;
+ let Inst{31-28} = 0b1110;
+ }
+ }
+
+ // 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 : AInoP<(outs), (ins i32imm:$dst, variable_ops),
+ Pseudo, IIC_Br,
+ "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
+
+ def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
+ Pseudo, IIC_Br,
+ "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
+
+ def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
+ IIC_Br, "b\t$dst @ TAILCALL",
+ []>, Requires<[IsARM, IsNotDarwin]>;
+
+ def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
+ IIC_Br, "b.w\t$dst @ TAILCALL",
+ []>, Requires<[IsThumb, IsNotDarwin]>;
+
+ def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
+ BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
+ []>, Requires<[IsNotDarwin]> {
+ let Inst{7-4} = 0b0001;
+ let Inst{19-8} = 0b111111111111;
+ let Inst{27-20} = 0b00010010;
+ let Inst{31-28} = 0b1110;
+ }
+ }
}
let isBranch = 1, isTerminator = 1 in {
let isNotDuplicable = 1, isIndirectBranch = 1 in {
def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "mov\tpc, $target \n$jt",
+ IIC_Br, "mov\tpc, $target$jt",
[(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
let Inst{11-4} = 0b00000000;
let Inst{15-12} = 0b1111;
}
def BR_JTm : JTI<(outs),
(ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "ldr\tpc, $target \n$jt",
+ IIC_Br, "ldr\tpc, $target$jt",
[(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
imm:$id)]> {
let Inst{15-12} = 0b1111;
}
def BR_JTadd : JTI<(outs),
(ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "add\tpc, $target, $idx \n$jt",
+ IIC_Br, "add\tpc, $target, $idx$jt",
[(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
imm:$id)]> {
let Inst{15-12} = 0b1111;
//
// Load
-let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
-def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
+let canFoldAsLoad = 1, isReMaterializable = 1 in
+def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad_r,
"ldr", "\t$dst, $addr",
[(set GPR:$dst, (load addrmode2:$addr))]>;
// Special LDR for loads from non-pc-relative constpools.
-let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
- mayHaveSideEffects = 1 in
-def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
+let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
+ isReMaterializable = 1 in
+def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad_r,
"ldr", "\t$dst, $addr", []>;
// Loads with zero extension
def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrh", "\t$dst, $addr",
+ IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
[(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
- IIC_iLoadr, "ldrb", "\t$dst, $addr",
+ IIC_iLoad_bh_r, "ldrb", "\t$dst, $addr",
[(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
// Loads with sign extension
def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrsh", "\t$dst, $addr",
+ IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
[(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrsb", "\t$dst, $addr",
+ IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
[(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
-let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
// Load doubleword
def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrd", "\t$dst1, $addr",
+ IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
[]>, Requires<[IsARM, HasV5TE]>;
// Indexed loads
def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
+ (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
"ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
+ (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
"ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
+ (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
+ (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
+ (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
"ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
+ (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
"ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
+ (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
+ (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
+ (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
+ (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
"ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
// For disassembly only
def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
+ (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
"ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
Requires<[IsARM, HasV5TE]>;
// For disassembly only
def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
+ (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
"ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
Requires<[IsARM, HasV5TE]>;
-}
+} // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
// LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
+ (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
"ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
+ (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
"ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am2offset:$offset), LdMiscFrm, IIC_iLoadru,
+ (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
+ (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
+ (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
// Store
-def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
+def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStore_r,
"str", "\t$src, $addr",
[(store GPR:$src, addrmode2:$addr)]>;
// Stores with truncate
def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
- IIC_iStorer, "strh", "\t$src, $addr",
+ IIC_iStore_bh_r, "strh", "\t$src, $addr",
[(truncstorei16 GPR:$src, addrmode3:$addr)]>;
-def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
- "strb", "\t$src, $addr",
+def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
+ IIC_iStore_bh_r, "strb", "\t$src, $addr",
[(truncstorei8 GPR:$src, addrmode2:$addr)]>;
// Store doubleword
-let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
+let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
- StMiscFrm, IIC_iStorer,
+ StMiscFrm, IIC_iStore_d_r,
"strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
// Indexed stores
def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, am2offset:$offset),
- StFrm, IIC_iStoreru,
+ StFrm, IIC_iStore_ru,
"str", "\t$src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
def STR_POST : AI2stwpo<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
+ StFrm, IIC_iStore_ru,
"str", "\t$src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb,
(post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
+ StMiscFrm, IIC_iStore_ru,
"strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
+ StMiscFrm, IIC_iStore_bh_ru,
"strh", "\t$src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb, (post_truncsti16 GPR:$src,
GPR:$base, am3offset:$offset))]>;
def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
+ StFrm, IIC_iStore_bh_ru,
"strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
GPR:$base, am2offset:$offset))]>;
def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
+ StFrm, IIC_iStore_bh_ru,
"strb", "\t$src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb, (post_truncsti8 GPR:$src,
GPR:$base, am2offset:$offset))]>;
// For disassembly only
def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
(ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
+ StMiscFrm, IIC_iStore_d_ru,
"strd", "\t$src1, $src2, [$base, $offset]!",
"$base = $base_wb", []>;
// For disassembly only
def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
(ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
+ StMiscFrm, IIC_iStore_d_ru,
"strd", "\t$src1, $src2, [$base], $offset",
"$base = $base_wb", []>;
-// STRT and STRBT are for disassembly only.
+// STRT, STRBT, and STRHT are for disassembly only.
def STRT : AI2stwpo<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
+ StFrm, IIC_iStore_ru,
"strt", "\t$src, [$base], $offset", "$base = $base_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
def STRBT : AI2stbpo<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
+ StFrm, IIC_iStore_bh_ru,
"strbt", "\t$src, [$base], $offset", "$base = $base_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
}
+def STRHT: AI3sthpo<(outs GPR:$base_wb),
+ (ins GPR:$src, GPR:$base,am3offset:$offset),
+ StMiscFrm, IIC_iStore_bh_ru,
+ "strht", "\t$src, [$base], $offset", "$base = $base_wb",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{21} = 1; // overwrite
+}
+
//===----------------------------------------------------------------------===//
// Load / store multiple Instructions.
//
-let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
-def LDM : AXI4ld<(outs),
- (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
- LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
- []>;
-
-let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
-def STM : AXI4st<(outs),
- (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
- LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
- []>;
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
+def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
+ reglist:$dsts, variable_ops),
+ IndexModeNone, LdStMulFrm, IIC_iLoadm,
+ "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
+
+def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
+ reglist:$dsts, variable_ops),
+ IndexModeUpd, LdStMulFrm, IIC_iLoadm,
+ "ldm${addr:submode}${p}\t$addr!, $dsts",
+ "$addr.addr = $wb", []>;
+} // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
+
+let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
+def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
+ reglist:$srcs, variable_ops),
+ IndexModeNone, LdStMulFrm, IIC_iStorem,
+ "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
+
+def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
+ reglist:$srcs, variable_ops),
+ IndexModeUpd, LdStMulFrm, IIC_iStorem,
+ "stm${addr:submode}${p}\t$addr!, $srcs",
+ "$addr.addr = $wb", []>;
+} // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
//===----------------------------------------------------------------------===//
// Move Instructions.
let Inst{25} = 0;
}
+// A version for the smaller set of tail call registers.
+let neverHasSideEffects = 1 in
+def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
+ IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
+ let Inst{11-4} = 0b00000000;
+ let Inst{25} = 0;
+}
+
def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
DPSoRegFrm, IIC_iMOVsr,
"mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
// Sign extenders
-defm SXTB : AI_unary_rrot<0b01101010,
- "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
-defm SXTH : AI_unary_rrot<0b01101011,
- "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
+defm SXTB : AI_ext_rrot<0b01101010,
+ "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
+defm SXTH : AI_ext_rrot<0b01101011,
+ "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
-defm SXTAB : AI_bin_rrot<0b01101010,
+defm SXTAB : AI_exta_rrot<0b01101010,
"sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
-defm SXTAH : AI_bin_rrot<0b01101011,
+defm SXTAH : AI_exta_rrot<0b01101011,
"sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
-// TODO: SXT(A){B|H}16
+// For disassembly only
+defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
+
+// For disassembly only
+defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
// Zero extenders
let AddedComplexity = 16 in {
-defm UXTB : AI_unary_rrot<0b01101110,
- "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
-defm UXTH : AI_unary_rrot<0b01101111,
- "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
-defm UXTB16 : AI_unary_rrot<0b01101100,
- "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
-
-def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
- (UXTB16r_rot GPR:$Src, 24)>;
+defm UXTB : AI_ext_rrot<0b01101110,
+ "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
+defm UXTH : AI_ext_rrot<0b01101111,
+ "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
+defm UXTB16 : AI_ext_rrot<0b01101100,
+ "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
+
+// FIXME: This pattern incorrectly assumes the shl operator is a rotate.
+// The transformation should probably be done as a combiner action
+// instead so we can include a check for masking back in the upper
+// eight bits of the source into the lower eight bits of the result.
+//def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
+// (UXTB16r_rot GPR:$Src, 24)>;
def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
(UXTB16r_rot GPR:$Src, 8)>;
-defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
+defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
-defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
+defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
}
// This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
-//defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
+// For disassembly only
+defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
-// TODO: UXT(A){B|H}16
def SBFX : I<(outs GPR:$dst),
(ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
+ AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
"sbfx", "\t$dst, $src, $lsb, $width", "", []>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-21} = 0b0111101;
def UBFX : I<(outs GPR:$dst),
(ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
+ AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
"ubfx", "\t$dst, $src, $lsb, $width", "", []>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-21} = 0b0111111;
//
defm ADD : AsI1_bin_irs<0b0100, "add",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
defm SUB : AsI1_bin_irs<0b0010, "sub",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(sub node:$LHS, node:$RHS)>>;
// ADD and SUB with 's' bit set.
defm ADDS : AI1_bin_s_irs<0b0100, "adds",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
defm SUBS : AI1_bin_s_irs<0b0010, "subs",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(subc node:$LHS, node:$RHS)>>;
defm ADC : AI1_adde_sube_irs<0b0101, "adc",
defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
-// These don't define reg/reg forms, because they are handled above.
def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
- IIC_iALUi, "rsb", "\t$dst, $a, $b",
- [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
+ IIC_iALUi, "rsb", "\t$dst, $a, $b",
+ [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
let Inst{25} = 1;
}
+// The reg/reg form is only defined for the disassembler; for codegen it is
+// equivalent to SUBrr.
+def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
+ IIC_iALUr, "rsb", "\t$dst, $a, $b",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{25} = 0;
+ let Inst{11-4} = 0b00000000;
+}
+
def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
- IIC_iALUsr, "rsb", "\t$dst, $a, $b",
- [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
+ IIC_iALUsr, "rsb", "\t$dst, $a, $b",
+ [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
let Inst{25} = 0;
}
Requires<[IsARM]> {
let Inst{25} = 1;
}
+// The reg/reg form is only defined for the disassembler; for codegen it is
+// equivalent to SUBrr.
+def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
+ DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{25} = 0;
+ let Inst{11-4} = 0b00000000;
+}
def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
[(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
}
// (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).
+// See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
+// details.
def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
(SUBri GPR:$src, so_imm_neg:$imm)>;
-
-//def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
-// (SUBSri GPR:$src, so_imm_neg:$imm)>;
-//def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
-// (SBCri GPR:$src, so_imm_neg:$imm)>;
+def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
+ (SUBSri GPR:$src, so_imm_neg:$imm)>;
+// 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),
+ (SBCri 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))
-// Saturating adds/subtracts -- for disassembly only
-
+// ARM Arithmetic Instruction -- for disassembly only
// GPR:$dst = GPR:$a op GPR:$b
-class AQI<bits<8> op27_20, bits<4> op7_4, string opc>
+class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
+ list<dag> pattern = [/* For disassembly only; pattern left blank */]>
: AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
- opc, "\t$dst, $a, $b",
- [/* For disassembly only; pattern left blank */]> {
+ opc, "\t$dst, $a, $b", pattern> {
let Inst{27-20} = op27_20;
let Inst{7-4} = op7_4;
}
-def QADD : AQI<0b00010000, 0b0101, "qadd">;
-def QADD16 : AQI<0b01100010, 0b0001, "qadd16">;
-def QADD8 : AQI<0b01100010, 0b1001, "qadd8">;
-def QASX : AQI<0b01100010, 0b0011, "qasx">;
-def QDADD : AQI<0b00010100, 0b0101, "qdadd">;
-def QDSUB : AQI<0b00010110, 0b0101, "qdsub">;
-def QSAX : AQI<0b01100010, 0b0101, "qsax">;
-def QSUB : AQI<0b00010010, 0b0101, "qsub">;
-def QSUB16 : AQI<0b01100010, 0b0111, "qsub16">;
-def QSUB8 : AQI<0b01100010, 0b1111, "qsub8">;
-def UQADD16 : AQI<0b01100110, 0b0001, "uqadd16">;
-def UQADD8 : AQI<0b01100110, 0b1001, "uqadd8">;
-def UQASX : AQI<0b01100110, 0b0011, "uqasx">;
-def UQSAX : AQI<0b01100110, 0b0101, "uqsax">;
-def UQSUB16 : AQI<0b01100110, 0b0111, "uqsub16">;
-def UQSUB8 : AQI<0b01100110, 0b1111, "uqsub8">;
+// Saturating add/subtract -- for disassembly only
+
+def QADD : AAI<0b00010000, 0b0101, "qadd",
+ [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
+def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
+def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
+def QASX : AAI<0b01100010, 0b0011, "qasx">;
+def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
+def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
+def QSAX : AAI<0b01100010, 0b0101, "qsax">;
+def QSUB : AAI<0b00010010, 0b0101, "qsub",
+ [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
+def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
+def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
+def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
+def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
+def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
+def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
+def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
+def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
+
+// Signed/Unsigned add/subtract -- for disassembly only
+
+def SASX : AAI<0b01100001, 0b0011, "sasx">;
+def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
+def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
+def SSAX : AAI<0b01100001, 0b0101, "ssax">;
+def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
+def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
+def UASX : AAI<0b01100101, 0b0011, "uasx">;
+def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
+def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
+def USAX : AAI<0b01100101, 0b0101, "usax">;
+def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
+def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
+
+// Signed/Unsigned halving add/subtract -- for disassembly only
+
+def SHASX : AAI<0b01100011, 0b0011, "shasx">;
+def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
+def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
+def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
+def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
+def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
+def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
+def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
+def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
+def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
+def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
+def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
+
+// Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
+
+def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
+ MulFrm /* for convenience */, NoItinerary, "usad8",
+ "\t$dst, $a, $b", []>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{27-20} = 0b01111000;
+ let Inst{15-12} = 0b1111;
+ let Inst{7-4} = 0b0001;
+}
+def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
+ MulFrm /* for convenience */, NoItinerary, "usada8",
+ "\t$dst, $a, $b, $acc", []>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{27-20} = 0b01111000;
+ let Inst{7-4} = 0b0001;
+}
+
+// Signed/Unsigned saturate -- for disassembly only
+
+def SSAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
+ SatFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-21} = 0b0110101;
+ let Inst{5-4} = 0b01;
+}
+
+def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
+ NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-20} = 0b01101010;
+ let Inst{7-4} = 0b0011;
+}
+
+def USAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
+ SatFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-21} = 0b0110111;
+ let Inst{5-4} = 0b01;
+}
+
+def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
+ NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-20} = 0b01101110;
+ let Inst{7-4} = 0b0011;
+}
+
+def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
+def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
//===----------------------------------------------------------------------===//
// Bitwise Instructions.
//
defm AND : AsI1_bin_irs<0b0000, "and",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
+defm ANDS : AI1_bin_s_irs<0b0000, "and",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
+ BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
defm ORR : AsI1_bin_irs<0b1100, "orr",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
defm EOR : AsI1_bin_irs<0b0001, "eor",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
defm BIC : AsI1_bin_irs<0b1110, "bic",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
}
// A8.6.18 BFI - Bitfield insert (Encoding A1)
-// Added for disassembler with the pattern field purposely left blank.
-def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
+def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
- "bfi", "\t$dst, $src, $imm", "",
- [/* For disassembly only; pattern left blank */]>,
+ "bfi", "\t$dst, $val, $imm", "$src = $dst",
+ [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
+ bf_inv_mask_imm:$imm))]>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-21} = 0b0111110;
let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
}
-def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
+def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMVNr,
"mvn", "\t$dst, $src",
[(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
let Inst{25} = 0;
let Inst{11-4} = 0b00000000;
}
def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
- IIC_iMOVsr, "mvn", "\t$dst, $src",
+ IIC_iMVNsr, "mvn", "\t$dst, $src",
[(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
let Inst{25} = 0;
}
let isReMaterializable = 1, isAsCheapAsAMove = 1 in
def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
- IIC_iMOVi, "mvn", "\t$dst, $imm",
+ IIC_iMVNi, "mvn", "\t$dst, $imm",
[(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
let Inst{25} = 1;
}
let Inst{15-12} = 0b1111;
}
+def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
+ IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{7-4} = 0b0011; // R = 1
+ let Inst{15-12} = 0b1111;
+}
+
def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
[(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
let Inst{7-4} = 0b0001;
}
+def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
+ IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{7-4} = 0b0011; // R = 1
+}
def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
let Inst{7-4} = 0b1101;
}
+def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
+ IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasV6]> {
+ let Inst{7-4} = 0b1111; // R = 1
+}
+
multiclass AI_smul<string opc, PatFrag opnode> {
def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
+ IIC_iMUL16, !strconcat(opc, "bb"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
(sext_inreg GPR:$b, i16)))]>,
Requires<[IsARM, HasV5TE]> {
}
def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
+ IIC_iMUL16, !strconcat(opc, "bt"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
(sra GPR:$b, (i32 16))))]>,
Requires<[IsARM, HasV5TE]> {
}
def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
+ IIC_iMUL16, !strconcat(opc, "tb"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
(sext_inreg GPR:$b, i16)))]>,
Requires<[IsARM, HasV5TE]> {
}
def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
+ IIC_iMUL16, !strconcat(opc, "tt"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
(sra GPR:$b, (i32 16))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{6} = 1;
}
-// TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
+// Helper class for AI_smld -- for disassembly only
+class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm>
+ : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
+ 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;
+}
+
+multiclass AI_smld<bit sub, string opc> {
+
+ def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
+ NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
+
+ def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
+ NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
+
+ def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
+ NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
+
+ def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
+ NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
+
+}
+
+defm SMLA : AI_smld<0, "smla">;
+defm SMLS : AI_smld<1, "smls">;
+
+multiclass AI_sdml<bit sub, string opc> {
+
+ def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
+ NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
+ let Inst{15-12} = 0b1111;
+ }
+
+ def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
+ NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
+ let Inst{15-12} = 0b1111;
+ }
+
+}
+
+defm SMUA : AI_sdml<0, "smua">;
+defm SMUS : AI_sdml<1, "smus">;
//===----------------------------------------------------------------------===//
// Misc. Arithmetic Instructions.
let Inst{19-16} = 0b1111;
}
+def lsl_shift_imm : SDNodeXForm<imm, [{
+ unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
+ return CurDAG->getTargetConstant(Sh, MVT::i32);
+}]>;
+
+def lsl_amt : PatLeaf<(i32 imm), [{
+ return (N->getZExtValue() < 32);
+}], lsl_shift_imm>;
+
def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
- (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
- IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
+ (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
+ IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2$sh",
[(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
- (and (shl GPR:$src2, (i32 imm:$shamt)),
+ (and (shl GPR:$src2, lsl_amt:$sh),
0xFFFF0000)))]>,
Requires<[IsARM, HasV6]> {
let Inst{6-4} = 0b001;
// Alternate cases for PKHBT where identities eliminate some nodes.
def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
(PKHBT GPR:$src1, GPR:$src2, 0)>;
-def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
- (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
+def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$sh)),
+ (PKHBT GPR:$src1, GPR:$src2, (lsl_shift_imm imm16_31:$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>;
+// Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
+// will match the pattern below.
def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
- (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
- IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
+ (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
+ IIC_iBITsi, "pkhtb", "\t$dst, $src1, $src2$sh",
[(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
- (and (sra GPR:$src2, imm16_31:$shamt),
- 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
+ (and (sra GPR:$src2, asr_amt:$sh),
+ 0xFFFF)))]>,
+ Requires<[IsARM, HasV6]> {
let Inst{6-4} = 0b101;
}
// 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, (i32 16))),
- (PKHTB GPR:$src1, GPR:$src2, 16)>;
+def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
+ (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
- (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
- (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
+ (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
+ (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
//===----------------------------------------------------------------------===//
// Comparison Instructions...
//
defm CMP : AI1_cmp_irs<0b1010, "cmp",
+ IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
-//FIXME: Disable CMN, as CCodes are backwards from compare expectations
-// Compare-to-zero still works out, just not the relationals
+
+// FIXME: We have to be careful when using the CMN instruction and comparison
+// with 0. One would expect these two pieces of code should give identical
+// results:
+//
+// rsbs r1, r1, 0
+// cmp r0, r1
+// mov r0, #0
+// it ls
+// mov r0, #1
+//
+// and:
+//
+// cmn r0, r1
+// mov r0, #0
+// it ls
+// mov r0, #1
+//
+// However, the CMN gives the *opposite* result when r1 is 0. This is because
+// the carry flag is set in the CMP case but not in the CMN case. In short, the
+// CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
+// value of r0 and the carry bit (because the "carry bit" parameter to
+// AddWithCarry is defined as 1 in this case, the carry flag will always be set
+// when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
+// never a "carry" when this AddWithCarry is performed (because the "carry bit"
+// parameter to AddWithCarry is defined as 0).
+//
+// When x is 0 and unsigned:
+//
+// x = 0
+// ~x = 0xFFFF FFFF
+// ~x + 1 = 0x1 0000 0000
+// (-x = 0) != (0x1 0000 0000 = ~x + 1)
+//
+// Therefore, we should disable CMN when comparing against zero, until we can
+// limit when the CMN instruction is used (when we know that the RHS is not 0 or
+// when it's a comparison which doesn't look at the 'carry' flag).
+//
+// (See the ARM docs for the "AddWithCarry" pseudo-code.)
+//
+// This is related to <rdar://problem/7569620>.
+//
//defm CMN : AI1_cmp_irs<0b1011, "cmn",
// BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
// Note that TST/TEQ don't set all the same flags that CMP does!
defm TST : AI1_cmp_irs<0b1000, "tst",
+ IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
defm TEQ : AI1_cmp_irs<0b1001, "teq",
+ IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
defm CMPz : AI1_cmp_irs<0b1010, "cmp",
+ IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
defm CMNz : AI1_cmp_irs<0b1011, "cmn",
+ IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
//def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
(CMNzri GPR:$src, so_imm_neg:$imm)>;
+// Pseudo i64 compares for some floating point compares.
+let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
+ Defs = [CPSR] in {
+def BCCi64 : PseudoInst<(outs),
+ (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
+ IIC_Br,
+ "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, imm:$cc",
+ [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
+
+def BCCZi64 : PseudoInst<(outs),
+ (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst),
+ IIC_Br,
+ "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, 0, 0, imm:$cc",
+ [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
+} // usesCustomInserter
+
// Conditional moves
// FIXME: should be able to write a pattern for ARMcmov, but can't use
// a two-value operand where a dag node expects two operands. :(
+let neverHasSideEffects = 1 in {
def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
IIC_iCMOVr, "mov", "\t$dst, $true",
[/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
RegConstraint<"$false = $dst">, UnaryDP {
let Inst{25} = 1;
}
+} // neverHasSideEffects
//===----------------------------------------------------------------------===//
// Atomic operations intrinsics
// memory barriers protect the atomic sequences
let hasSideEffects = 1 in {
-def Int_MemBarrierV7 : AInoP<(outs), (ins),
- Pseudo, NoItinerary,
- "dmb", "",
- [(ARMMemBarrierV7)]>,
- Requires<[IsARM, HasV7]> {
+def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
+ [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
let Inst{31-4} = 0xf57ff05;
// FIXME: add support for options other than a full system DMB
// See DMB disassembly-only variants below.
let Inst{3-0} = 0b1111;
}
-def Int_SyncBarrierV7 : AInoP<(outs), (ins),
- Pseudo, NoItinerary,
- "dsb", "",
- [(ARMSyncBarrierV7)]>,
- Requires<[IsARM, HasV7]> {
+def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
+ [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
let Inst{31-4} = 0xf57ff04;
// FIXME: add support for options other than a full system DSB
// See DSB disassembly-only variants below.
let Inst{3-0} = 0b1111;
}
-def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
- Pseudo, NoItinerary,
+def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
"mcr", "\tp15, 0, $zero, c7, c10, 5",
- [(ARMMemBarrierV6 GPR:$zero)]>,
+ [(ARMMemBarrierMCR GPR:$zero)]>,
Requires<[IsARM, HasV6]> {
// FIXME: add support for options other than a full system DMB
// FIXME: add encoding
}
-def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
- Pseudo, NoItinerary,
+def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
"mcr", "\tp15, 0, $zero, c7, c10, 4",
- [(ARMSyncBarrierV6 GPR:$zero)]>,
+ [(ARMSyncBarrierMCR GPR:$zero)]>,
Requires<[IsARM, HasV6]> {
// FIXME: add support for options other than a full system DSB
// FIXME: add encoding
}
}
-// Helper class for multiclass MemB -- for disassembly only
-class AMBI<string opc, string asm>
- : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV7]> {
- let Inst{31-20} = 0xf57;
-}
-
-multiclass MemB<bits<4> op7_4, string opc> {
-
- def st : AMBI<opc, "\tst"> {
- let Inst{7-4} = op7_4;
- let Inst{3-0} = 0b1110;
- }
-
- def ish : AMBI<opc, "\tish"> {
- let Inst{7-4} = op7_4;
- let Inst{3-0} = 0b1011;
- }
-
- def ishst : AMBI<opc, "\tishst"> {
- let Inst{7-4} = op7_4;
- let Inst{3-0} = 0b1010;
- }
-
- def nsh : AMBI<opc, "\tnsh"> {
- let Inst{7-4} = op7_4;
- let Inst{3-0} = 0b0111;
- }
+// Memory Barrier Operations Variants -- for disassembly only
- def nshst : AMBI<opc, "\tnshst"> {
- let Inst{7-4} = op7_4;
- let Inst{3-0} = 0b0110;
- }
-
- def osh : AMBI<opc, "\tosh"> {
- let Inst{7-4} = op7_4;
- let Inst{3-0} = 0b0011;
- }
+def memb_opt : Operand<i32> {
+ let PrintMethod = "printMemBOption";
+}
- def oshst : AMBI<opc, "\toshst"> {
- let Inst{7-4} = op7_4;
- let Inst{3-0} = 0b0010;
- }
+class AMBI<bits<4> op7_4, string opc>
+ : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasDB]> {
+ let Inst{31-8} = 0xf57ff0;
+ let Inst{7-4} = op7_4;
}
// These DMB variants are for disassembly only.
-defm DMB : MemB<0b0101, "dmb">;
+def DMBvar : AMBI<0b0101, "dmb">;
// These DSB variants are for disassembly only.
-defm DSB : MemB<0b0100, "dsb">;
+def DSBvar : AMBI<0b0100, "dsb">;
// ISB has only full system option -- for disassembly only
-def ISBsy : AMBI<"isb", ""> {
- let Inst{7-4} = 0b0110;
+def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
+ Requires<[IsARM, HasDB]> {
+ let Inst{31-4} = 0xf57ff06;
let Inst{3-0} = 0b1111;
}
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
- D31 ] in {
+ D31 ], hasSideEffects = 1, isBarrier = 1 in {
def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
AddrModeNone, SizeSpecial, IndexModeNone,
- Pseudo, NoItinerary,
- "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
- "add\t$val, pc, #8\n\t"
- "str\t$val, [$src, #+4]\n\t"
- "mov\tr0, #0\n\t"
- "add\tpc, pc, #0\n\t"
- "mov\tr0, #1 @ eh_setjmp end", "",
- [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>;
+ Pseudo, NoItinerary, "", "",
+ [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
+ Requires<[IsARM, HasVFP2]>;
+}
+
+let Defs =
+ [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
+ hasSideEffects = 1, isBarrier = 1 in {
+ def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
+ AddrModeNone, SizeSpecial, IndexModeNone,
+ Pseudo, NoItinerary, "", "",
+ [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
+ Requires<[IsARM, NoVFP]>;
+}
+
+// FIXME: Non-Darwin version(s)
+let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
+ Defs = [ R7, LR, SP ] in {
+def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
+ AddrModeNone, SizeSpecial, IndexModeNone,
+ Pseudo, NoItinerary, "", "",
+ [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
+ Requires<[IsARM, IsDarwin]>;
}
//===----------------------------------------------------------------------===//
// Large immediate handling.
// Two piece so_imms.
+// FIXME: Expand this in ARMExpandPseudoInsts.
+// FIXME: Remove this when we can do generalized remat.
let isReMaterializable = 1 in
def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
- Pseudo, IIC_iMOVi,
+ Pseudo, IIC_iMOVix2,
"mov", "\t$dst, $src",
[(set GPR:$dst, so_imm2part:$src)]>,
Requires<[IsARM, NoV6T2]>;
// as a single unit instead of having to handle reg inputs.
// FIXME: Remove this when we can do generalized remat.
let isReMaterializable = 1 in
-def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
+def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVix2,
"movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
[(set GPR:$dst, (i32 imm:$src))]>,
Requires<[IsARM, HasV6T2]>;
// TODO: add,sub,and, 3-instr forms?
+// Tail calls
+def : ARMPat<(ARMtcret tcGPR:$dst),
+ (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
+ (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
+ (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
+
+def : ARMPat<(ARMtcret tcGPR:$dst),
+ (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
+ (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
+ (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
// Direct calls
def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
def L_OFFSET : ACI<(outs),
(ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- opc, "l\tp$cop, cr$CRd, $addr"> {
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 0; // W = 0
def L_PRE : ACI<(outs),
(ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- opc, "l\tp$cop, cr$CRd, $addr!"> {
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 1; // W = 1
def L_POST : ACI<(outs),
(ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
- opc, "l\tp$cop, cr$CRd, [$base], $offset"> {
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{21} = 1; // W = 1
def L_OPTION : ACI<(outs),
(ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
- opc, "l\tp$cop, cr$CRd, [$base], $option"> {
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{23} = 1; // U = 1
let Inst{7-4} = 0b0000;
}
-// FIXME: mask is ignored for the time being.
-def MSR : ABI<0b0001,(outs),(ins GPR:$src), NoItinerary, "msr", "\tcpsr, $src",
+def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
+ "msr", "\tcpsr$mask, $src",
[/* For disassembly only; pattern left blank */]> {
let Inst{23-20} = 0b0010;
let Inst{7-4} = 0b0000;
}
-// FIXME: mask is ignored for the time being.
-def MSRi : ABI<0b0011,(outs),(ins so_imm:$a), NoItinerary, "msr", "\tcpsr, $a",
+def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
+ "msr", "\tcpsr$mask, $a",
[/* For disassembly only; pattern left blank */]> {
let Inst{23-20} = 0b0010;
let Inst{7-4} = 0b0000;
}
-// FIXME: mask is ignored for the time being.
-def MSRsys : ABI<0b0001,(outs),(ins GPR:$src),NoItinerary,"msr","\tspsr, $src",
+def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
+ "msr", "\tspsr$mask, $src",
[/* For disassembly only; pattern left blank */]> {
let Inst{23-20} = 0b0110;
let Inst{7-4} = 0b0000;
}
-// FIXME: mask is ignored for the time being.
-def MSRsysi : ABI<0b0011,(outs),(ins so_imm:$a),NoItinerary,"msr","\tspsr, $a",
+def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
+ "msr", "\tspsr$mask, $a",
[/* For disassembly only; pattern left blank */]> {
let Inst{23-20} = 0b0110;
let Inst{7-4} = 0b0000;
projects / oota-llvm.git / blobdiff