// Node definitions.
def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
+def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
+def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
- [SDNPHasChain, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOutGlue]>;
def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
- [SDNPHasChain, SDNPOptInFlag]>;
+ [SDNPHasChain, SDNPOptInGlue]>;
def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
- [SDNPInFlag]>;
-def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
- [SDNPInFlag]>;
+ [SDNPInGlue]>;
def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
- [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
[SDNPHasChain]>;
[SDNPHasChain]>;
def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
- [SDNPOutFlag]>;
+ [SDNPOutGlue]>;
def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
- [SDNPOutFlag, SDNPCommutative]>;
+ [SDNPOutGlue, SDNPCommutative]>;
def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
-def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
-def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
-def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
+def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
+def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
+def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
- [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
+ [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
+def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
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 HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
AssemblerPredicate;
// FIXME: Eventually this will be just "hasV6T2Ops".
def UseMovt : Predicate<"Subtarget->useMovt()">;
def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
-def UseVMLx : Predicate<"Subtarget->useVMLx()">;
+def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
//===----------------------------------------------------------------------===//
// ARM Flag Definitions.
return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
}]>;
-/// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
-/// e.g., 0xf000ffff
-def bf_inv_mask_imm : Operand<i32>,
- PatLeaf<(imm), [{
- return ARM::isBitFieldInvertedMask(N->getZExtValue());
-}] > {
- let EncoderMethod = "getBitfieldInvertedMaskOpValue";
- let PrintMethod = "printBitfieldInvMaskImmOperand";
-}
-
/// Split a 32-bit immediate into two 16 bit parts.
def hi16 : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
[{return N->hasAnyUseOfValue(1);}]>;
+// An 'and' node with a single use.
+def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
+ return N->hasOneUse();
+}]>;
+
+// An 'xor' node with a single use.
+def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
+ return N->hasOneUse();
+}]>;
+
+// An 'fmul' node with a single use.
+def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
+ return N->hasOneUse();
+}]>;
+
+// An 'fadd' node which checks for single non-hazardous use.
+def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
+ return hasNoVMLxHazardUse(N);
+}]>;
+
+// An 'fsub' node which checks for single non-hazardous use.
+def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
+ return hasNoVMLxHazardUse(N);
+}]>;
+
//===----------------------------------------------------------------------===//
// Operand Definitions.
//
// Branch target.
+// FIXME: rename brtarget to t2_brtarget
def brtarget : Operand<OtherVT> {
let EncoderMethod = "getBranchTargetOpValue";
}
+// FIXME: get rid of this one?
+def uncondbrtarget : Operand<OtherVT> {
+ let EncoderMethod = "getUnconditionalBranchTargetOpValue";
+}
+
+// Branch target for ARM. Handles conditional/unconditional
+def br_target : Operand<OtherVT> {
+ let EncoderMethod = "getARMBranchTargetOpValue";
+}
+
// Call target.
+// FIXME: rename bltarget to t2_bl_target?
def bltarget : Operand<i32> {
// Encoded the same as branch targets.
let EncoderMethod = "getBranchTargetOpValue";
}
+// Call target for ARM. Handles conditional/unconditional
+// FIXME: rename bl_target to t2_bltarget?
+def bl_target : Operand<i32> {
+ // Encoded the same as branch targets.
+ let EncoderMethod = "getARMBranchTargetOpValue";
+}
+
+
// A list of registers separated by comma. Used by load/store multiple.
def RegListAsmOperand : AsmOperandClass {
let Name = "RegList";
let SuperClasses = [];
}
+def DPRRegListAsmOperand : AsmOperandClass {
+ let Name = "DPRRegList";
+ let SuperClasses = [];
+}
+
+def SPRRegListAsmOperand : AsmOperandClass {
+ let Name = "SPRRegList";
+ let SuperClasses = [];
+}
+
def reglist : Operand<i32> {
let EncoderMethod = "getRegisterListOpValue";
let ParserMatchClass = RegListAsmOperand;
let PrintMethod = "printRegisterList";
}
-// An operand for the CONSTPOOL_ENTRY pseudo-instruction.
-def cpinst_operand : Operand<i32> {
- let PrintMethod = "printCPInstOperand";
+def dpr_reglist : Operand<i32> {
+ let EncoderMethod = "getRegisterListOpValue";
+ let ParserMatchClass = DPRRegListAsmOperand;
+ let PrintMethod = "printRegisterList";
}
-def jtblock_operand : Operand<i32> {
- let PrintMethod = "printJTBlockOperand";
+def spr_reglist : Operand<i32> {
+ let EncoderMethod = "getRegisterListOpValue";
+ let ParserMatchClass = SPRRegListAsmOperand;
+ let PrintMethod = "printRegisterList";
}
-def jt2block_operand : Operand<i32> {
- let PrintMethod = "printJT2BlockOperand";
+
+// An operand for the CONSTPOOL_ENTRY pseudo-instruction.
+def cpinst_operand : Operand<i32> {
+ let PrintMethod = "printCPInstOperand";
}
// Local PC labels.
let PrintMethod = "printPCLabel";
}
+// ADR instruction labels.
+def adrlabel : Operand<i32> {
+ let EncoderMethod = "getAdrLabelOpValue";
+}
+
def neon_vcvt_imm32 : Operand<i32> {
let EncoderMethod = "getNEONVcvtImm32OpValue";
}
}
// so_imm - Match a 32-bit shifter_operand immediate operand, which is an
-// 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
-// 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].
+// 8-bit immediate rotated by an arbitrary number of bits.
def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
let EncoderMethod = "getSOImmOpValue";
let PrintMethod = "printSOImmOperand";
return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
}]>;
-def so_imm2part_1 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
-}]>;
-
-def so_imm2part_2 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
-}]>;
-
-def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
- return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
- }]> {
- let PrintMethod = "printSOImm2PartOperand";
-}
-
-def so_neg_imm2part_1 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
-}]>;
-
-def so_neg_imm2part_2 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
-}]>;
-
/// 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;
let EncoderMethod = "getImmMinusOneOpValue";
}
+// i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
+// The imm is split into imm{15-12}, imm{11-0}
+//
+def i32imm_hilo16 : Operand<i32> {
+ let EncoderMethod = "getHiLo16ImmOpValue";
+}
+
+/// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
+/// e.g., 0xf000ffff
+def bf_inv_mask_imm : Operand<i32>,
+ PatLeaf<(imm), [{
+ return ARM::isBitFieldInvertedMask(N->getZExtValue());
+}] > {
+ let EncoderMethod = "getBitfieldInvertedMaskOpValue";
+ let PrintMethod = "printBitfieldInvMaskImmOperand";
+}
+
+/// 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());
+}]>;
+
+/// 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;
+}] > {
+ let EncoderMethod = "getMsbOpValue";
+}
+
// Define ARM specific addressing modes.
//
def addrmode2 : Operand<i32>,
ComplexPattern<i32, 3, "SelectAddrMode2", []> {
- string EncoderMethod = "getAddrMode2OpValue";
+ let EncoderMethod = "getAddrMode2OpValue";
let PrintMethod = "printAddrMode2Operand";
let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
}
def am2offset : Operand<i32>,
ComplexPattern<i32, 2, "SelectAddrMode2Offset",
[], [SDNPWantRoot]> {
- string EncoderMethod = "getAddrMode2OffsetOpValue";
+ let EncoderMethod = "getAddrMode2OffsetOpValue";
let PrintMethod = "printAddrMode2OffsetOperand";
let MIOperandInfo = (ops GPR, i32imm);
}
let EncoderMethod = "getAddrMode5OpValue";
}
-// addrmode6 := reg with optional writeback
+// addrmode6 := reg with optional alignment
//
def addrmode6 : Operand<i32>,
ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
let EncoderMethod = "getAddrMode6AddressOpValue";
}
-def am6offset : Operand<i32> {
+def am6offset : Operand<i32>,
+ ComplexPattern<i32, 1, "SelectAddrMode6Offset",
+ [], [SDNPWantRoot]> {
let PrintMethod = "printAddrMode6OffsetOperand";
let MIOperandInfo = (ops GPR);
let EncoderMethod = "getAddrMode6OffsetOpValue";
}
+// Special version of addrmode6 to handle alignment encoding for VLD-dup
+// instructions, specifically VLD4-dup.
+def addrmode6dup : Operand<i32>,
+ ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
+ let PrintMethod = "printAddrMode6Operand";
+ let MIOperandInfo = (ops GPR:$addr, i32imm);
+ let EncoderMethod = "getAddrMode6DupAddressOpValue";
+}
+
// addrmodepc := pc + reg
//
def addrmodepc : Operand<i32>,
let PrintMethod = "printNoHashImmediate";
}
+def CoprocNumAsmOperand : AsmOperandClass {
+ let Name = "CoprocNum";
+ let SuperClasses = [];
+ let ParserMethod = "tryParseCoprocNumOperand";
+}
+
+def CoprocRegAsmOperand : AsmOperandClass {
+ let Name = "CoprocReg";
+ let SuperClasses = [];
+ let ParserMethod = "tryParseCoprocRegOperand";
+}
+
+def p_imm : Operand<i32> {
+ let PrintMethod = "printPImmediate";
+ let ParserMatchClass = CoprocNumAsmOperand;
+}
+
+def c_imm : Operand<i32> {
+ let PrintMethod = "printCImmediate";
+ let ParserMatchClass = CoprocRegAsmOperand;
+}
+
//===----------------------------------------------------------------------===//
include "ARMInstrFormats.td"
/// 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 {
+let isCodeGenOnly = 1, Defs = [CPSR] in {
multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
PatFrag opnode, bit Commutable = 0> {
IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
[(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<4> Rn;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
let Inst{11-10} = 0b00;
+ let Inst{9-4} = 0b000111;
+ let Inst{3-0} = Rm;
}
def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
rot_imm:$rot),
[(set GPR:$Rd, (opnode GPR:$Rn,
(rotr GPR:$Rm, rot_imm:$rot)))]>,
Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rm;
bits<4> Rn;
bits<2> rot;
let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
let Inst{11-10} = rot;
+ let Inst{9-4} = 0b000111;
+ let Inst{3-0} = Rm;
}
}
}
}
// Carry setting variants
-let Defs = [CPSR] in {
+let isCodeGenOnly = 1, Defs = [CPSR] in {
multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
// Note: We use the complex addrmode_imm12 rather than just an input
// GPR and a constrained immediate so that we can use this to match
// frame index references and avoid matching constant pool references.
- def i12: AIldst1<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
+ def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
[(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
bits<4> Rt;
let Inst{15-12} = Rt;
let Inst{11-0} = addr{11-0}; // imm12
}
- def rs : AIldst1<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
+ def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
[(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
bits<4> Rt;
// Note: We use the complex addrmode_imm12 rather than just an input
// GPR and a constrained immediate so that we can use this to match
// frame index references and avoid matching constant pool references.
- def i12 : AIldst1<0b010, 0, isByte, (outs),
+ def i12 : AI2ldst<0b010, 0, isByte, (outs),
(ins GPR:$Rt, addrmode_imm12:$addr),
AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
[(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
let Inst{15-12} = Rt;
let Inst{11-0} = addr{11-0}; // imm12
}
- def rs : AIldst1<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
+ def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
[(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
bits<4> Rt;
let neverHasSideEffects = 1, isNotDuplicable = 1 in
def CONSTPOOL_ENTRY :
PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
- i32imm:$size), NoItinerary, "", []>;
+ i32imm:$size), NoItinerary, []>;
// FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
// from removing one half of the matched pairs. That breaks PEI, which assumes
// these will always be in pairs, and asserts if it finds otherwise. Better way?
let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
def ADJCALLSTACKUP :
-PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
+PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
[(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
def ADJCALLSTACKDOWN :
-PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
+PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
[(ARMcallseq_start timm:$amt)]>;
}
let Inst{7-4} = 0b0111;
}
-// Change Processor State is a system instruction -- for disassembly only.
-// The singleton $opt operand contains the following information:
-// opt{4-0} = mode from Inst{4-0}
-// opt{5} = changemode from Inst{17}
-// opt{8-6} = AIF from Inst{8-6}
-// opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
-// FIXME: Integrated assembler will need these split out.
-def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM]> {
+// Change Processor State is a system instruction -- for disassembly and
+// parsing only.
+// FIXME: Since the asm parser has currently no clean way to handle optional
+// operands, create 3 versions of the same instruction. Once there's a clean
+// framework to represent optional operands, change this behavior.
+class CPS<dag iops, string asm_ops>
+ : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
+ [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
+ bits<2> imod;
+ bits<3> iflags;
+ bits<5> mode;
+ bit M;
+
let Inst{31-28} = 0b1111;
let Inst{27-20} = 0b00010000;
- let Inst{16} = 0;
- let Inst{5} = 0;
+ let Inst{19-18} = imod;
+ let Inst{17} = M; // Enabled if mode is set;
+ let Inst{16} = 0;
+ let Inst{8-6} = iflags;
+ let Inst{5} = 0;
+ let Inst{4-0} = mode;
}
+let M = 1 in
+ def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
+ "$imod\t$iflags, $mode">;
+let mode = 0, M = 0 in
+ def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
+
+let imod = 0, iflags = 0, M = 1 in
+ def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
+
// Preload signals the memory system of possible future data/instruction access.
// These are for disassembly only.
multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
let Inst{22} = read;
let Inst{21-20} = 0b01;
let Inst{19-16} = addr{16-13}; // Rn
- let Inst{15-12} = Rt;
+ let Inst{15-12} = 0b1111;
let Inst{11-0} = addr{11-0}; // imm12
}
def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
!strconcat(opc, "\t$shift"),
[(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
- bits<4> Rt;
bits<17> shift;
let Inst{31-26} = 0b111101;
let Inst{25} = 1; // 1 for register form
let Inst{22} = read;
let Inst{21-20} = 0b01;
let Inst{19-16} = shift{16-13}; // Rn
+ let Inst{15-12} = 0b1111;
let Inst{11-0} = shift{11-0};
}
}
def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
"trap", [(trap)]>,
Requires<[IsARM]> {
- let Inst{27-25} = 0b011;
- let Inst{24-20} = 0b11111;
- let Inst{7-5} = 0b111;
- let Inst{4} = 0b1;
+ let Inst = 0xe7ffdefe;
}
// Address computation and loads and stores in PIC mode.
-// FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
-// classes (AXI1, et.al.) and so have encoding information and such,
-// which is suboptimal. Once the rest of the code emitter (including
-// JIT) is MC-ized we should look at refactoring these into true
-// pseudos. As is, the encoding information ends up being ignored,
-// as these instructions are lowered to individual MC-insts.
let isNotDuplicable = 1 in {
-def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
- Pseudo, IIC_iALUr, "",
- [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
+def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
+ Size4Bytes, IIC_iALUr,
+ [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
let AddedComplexity = 10 in {
-def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoad_r, "",
- [(set GPR:$dst, (load addrmodepc:$addr))]>;
+def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_r,
+ [(set GPR:$dst, (load addrmodepc:$addr))]>;
-def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoad_bh_r, "",
- [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
+def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
-def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoad_bh_r, "",
- [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
+def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
-def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoad_bh_r, "",
- [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
+def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
-def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoad_bh_r, "",
- [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
+def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
}
let AddedComplexity = 10 in {
-def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStore_r, "",
- [(store GPR:$src, addrmodepc:$addr)]>;
+def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
-def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStore_bh_r, "",
- [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
+def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
+ addrmodepc:$addr)]>;
-def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStore_bh_r, "",
- [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
+def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
}
} // isNotDuplicable = 1
// LEApcrel - Load a pc-relative address into a register without offending the
// assembler.
-// FIXME: These are marked as pseudos, but they're really not(?). They're just
-// the ADR instruction. Is this the right way to handle that? They need
-// encoding information regardless.
-let neverHasSideEffects = 1 in {
-let isReMaterializable = 1 in
-def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
- Pseudo, IIC_iALUi,
- "adr$p\t$dst, #$label", []>;
-
-} // neverHasSideEffects
-def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
- (ins i32imm:$label, nohash_imm:$id, pred:$p),
- Pseudo, IIC_iALUi,
- "adr$p\t$dst, #${label}_${id}", []> {
- let Inst{25} = 1;
+let neverHasSideEffects = 1, isReMaterializable = 1 in
+// The 'adr' mnemonic encodes differently if the label is before or after
+// the instruction. The {24-21} opcode bits are set by the fixup, as we don't
+// know until then which form of the instruction will be used.
+def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
+ MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
+ bits<4> Rd;
+ bits<12> label;
+ let Inst{27-25} = 0b001;
+ let Inst{20} = 0;
+ let Inst{19-16} = 0b1111;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = label;
}
+def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
+ Size4Bytes, IIC_iALUi, []>;
+
+def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
+ (ins i32imm:$label, nohash_imm:$id, pred:$p),
+ Size4Bytes, IIC_iALUi, []>;
//===----------------------------------------------------------------------===//
// Control Flow Instructions.
// Indirect branches
let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
// ARMV4T and above
- def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
+ def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
[(brind GPR:$dst)]>,
Requires<[IsARM, HasV4T]> {
bits<4> dst;
}
// ARMV4 only
- def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
- [(brind GPR:$dst)]>,
- Requires<[IsARM, NoV4T]> {
- bits<4> dst;
- let Inst{31-4} = 0b1110000110100000111100000000;
- let Inst{3-0} = dst;
- }
+ // 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]>;
}
-// On non-Darwin platforms R9 is callee-saved.
+// All calls clobber the non-callee saved registers. SP is marked as
+// a use to prevent stack-pointer assignments that appear immediately
+// before calls from potentially appearing dead.
let isCall = 1,
+ // On non-Darwin platforms R9 is callee-saved.
+ // 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] in {
- def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
+ D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
+ Uses = [SP] in {
+ def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
IIC_Br, "bl\t$func",
[(ARMcall tglobaladdr:$func)]>,
Requires<[IsARM, IsNotDarwin]> {
let Inst{23-0} = func;
}
- def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
+ def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
IIC_Br, "bl", "\t$func",
[(ARMcall_pred tglobaladdr:$func)]>,
Requires<[IsARM, IsNotDarwin]> {
[(ARMcall GPR:$func)]>,
Requires<[IsARM, HasV5T, IsNotDarwin]> {
bits<4> func;
+ let Inst{31-4} = 0b1110000100101111111111110011;
+ let Inst{3-0} = func;
+ }
+
+ def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
+ IIC_Br, "blx", "\t$func",
+ [(ARMcall_pred GPR:$func)]>,
+ Requires<[IsARM, HasV5T, IsNotDarwin]> {
+ bits<4> func;
let Inst{27-4} = 0b000100101111111111110011;
- let Inst{3-0} = func;
+ let Inst{3-0} = func;
}
// ARMv4T
// Note: Restrict $func to the tGPR regclass to prevent it being in LR.
- def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
- IIC_Br, "mov\tlr, pc\n\tbx\t$func",
- [(ARMcall_nolink tGPR:$func)]>,
- Requires<[IsARM, HasV4T, IsNotDarwin]> {
- bits<4> func;
- let Inst{27-4} = 0b000100101111111111110001;
- let Inst{3-0} = func;
- }
+ def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, HasV4T, IsNotDarwin]>;
// 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]> {
- bits<4> func;
- let Inst{27-4} = 0b000110100000111100000000;
- let Inst{3-0} = func;
- }
+ def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, NoV4T, IsNotDarwin]>;
}
-// On Darwin R9 is call-clobbered.
let isCall = 1,
+ // 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] in {
- def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
- IIC_Br, "bl\t$func",
- [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
- let Inst{31-28} = 0b1110;
- bits<24> func;
- let Inst{23-0} = func;
- }
-
- def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
- IIC_Br, "bl", "\t$func",
+ D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
+ Uses = [R7, SP] in {
+ def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$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)]>,
- Requires<[IsARM, IsDarwin]> {
- bits<24> func;
- let Inst{23-0} = func;
- }
+ Requires<[IsARM, IsDarwin]>;
// ARMv5T and above
- def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
- IIC_Br, "blx\t$func",
- [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
- bits<4> func;
- let Inst{27-4} = 0b000100101111111111110011;
- let Inst{3-0} = func;
- }
+ def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$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)]>,
+ Requires<[IsARM, HasV5T, IsDarwin]>;
// ARMv4T
// 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, HasV4T, IsDarwin]> {
- bits<4> func;
- let Inst{27-4} = 0b000100101111111111110001;
- let Inst{3-0} = func;
- }
+ def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, HasV4T, IsDarwin]>;
// 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]> {
- bits<4> func;
- let Inst{27-4} = 0b000110100000111100000000;
- let Inst{3-0} = func;
- }
+ def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, NoV4T, IsDarwin]>;
}
// Tail calls.
-// FIXME: These should probably be xformed into the non-TC versions of the
-// instructions as part of MC lowering.
+// 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,
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]> {
- bits<4> dst;
- let Inst{31-4} = 0b1110000100101111111111110001;
- let Inst{3-0} = dst;
- }
+ 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).
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 TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsNotDarwin]>;
- def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
- Pseudo, IIC_Br,
- "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
+ def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsNotDarwin]>;
- def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
- IIC_Br, "b\t$dst @ TAILCALL",
+ def TAILJMPdND : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
+ Size4Bytes, IIC_Br,
[]>, Requires<[IsARM, IsNotDarwin]>;
- def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
- IIC_Br, "b.w\t$dst @ TAILCALL",
+ def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
+ Size4Bytes, IIC_Br,
[]>, Requires<[IsThumb, IsNotDarwin]>;
- def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
- BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
- []>, Requires<[IsNotDarwin]> {
- bits<4> dst;
- let Inst{31-4} = 0b1110000100101111111111110001;
- let Inst{3-0} = dst;
- }
+ 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 {
- // B is "predicable" since it can be xformed into a Bcc.
+ // B is "predicable" since it's just a Bcc with an 'always' condition.
let isBarrier = 1 in {
let isPredicable = 1 in
- def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
- "b\t$target", [(br bb:$target)]> {
- bits<24> target;
- let Inst{31-28} = 0b1110;
- let Inst{23-0} = target;
- }
-
- let isNotDuplicable = 1, isIndirectBranch = 1,
- // FIXME: $imm field is not specified by asm string. Mark as cgonly.
- isCodeGenOnly = 1 in {
- def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "mov\tpc, $target$jt",
- [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
- let Inst{11-4} = 0b00000000;
- let Inst{15-12} = 0b1111;
- let Inst{20} = 0; // S Bit
- let Inst{24-21} = 0b1101;
- let Inst{27-25} = 0b000;
- }
- def BR_JTm : JTI<(outs),
- (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "ldr\tpc, $target$jt",
+ // 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)]>;
+
+ let isNotDuplicable = 1, isIndirectBranch = 1 in {
+ def BR_JTr : ARMPseudoInst<(outs),
+ (ins GPR:$target, i32imm:$jt, i32imm:$id),
+ SizeSpecial, IIC_Br,
+ [(ARMbrjt GPR:$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:$id),
+ SizeSpecial, IIC_Br,
[(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
- imm:$id)]> {
- let Inst{15-12} = 0b1111;
- let Inst{20} = 1; // L bit
- let Inst{21} = 0; // W bit
- let Inst{22} = 0; // B bit
- let Inst{24} = 1; // P bit
- let Inst{27-25} = 0b011;
- }
- def BR_JTadd : JTI<(outs),
- (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "add\tpc, $target, $idx$jt",
- [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
- imm:$id)]> {
- let Inst{15-12} = 0b1111;
- let Inst{20} = 0; // S bit
- let Inst{24-21} = 0b0100;
- let Inst{27-25} = 0b000;
- }
+ imm:$id)]>;
+ def BR_JTadd : ARMPseudoInst<(outs),
+ (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
+ SizeSpecial, IIC_Br,
+ [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
+ imm:$id)]>;
} // isNotDuplicable = 1, isIndirectBranch = 1
} // isBarrier = 1
// FIXME: should be able to write a pattern for ARMBrcond, but can't use
// a two-value operand where a dag node expects two operands. :(
- def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
+ def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
IIC_Br, "b", "\t$target",
[/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
bits<24> target;
}
// Supervisor Call (Software Interrupt) -- for disassembly only
-let isCall = 1 in {
+let isCall = 1, Uses = [SP] in {
def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
[/* For disassembly only; pattern left blank */]> {
bits<24> svc;
let Inst{23-0} = svc;
}
}
+def : MnemonicAlias<"swi", "svc">;
// Store Return State is a system instruction -- for disassembly only
let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
// Special LDR for loads from non-pc-relative constpools.
let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
isReMaterializable = 1 in
-def LDRcp : AIldst1<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
+def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
[]> {
bits<4> Rt;
}
// Loads with zero extension
-def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
- [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
+def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
+ [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
// Loads with sign extension
-def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
- [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
+def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
+ [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
-def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
- [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
+def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
+ [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
+// FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
+// how to represent that such that tblgen is happy and we don't
+// mark this codegen only?
// Load doubleword
-def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
+def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
+ (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
[]>, Requires<[IsARM, HasV5TE]>;
+}
// Indexed loads
multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
}
}
+let mayLoad = 1, neverHasSideEffects = 1 in {
defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
+}
-def LDRH_PRE : AI3ldhpr<(outs GPR:$Rt, GPR:$Rn_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
-
-def LDRH_POST : AI3ldhpo<(outs GPR:$Rt, GPR:$Rn_wb),
- (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
-
-def LDRSH_PRE : AI3ldshpr<(outs GPR:$Rt, GPR:$Rn_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrsh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
-
-def LDRSH_POST: AI3ldshpo<(outs GPR:$Rt, GPR:$Rn_wb),
- (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrsh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
-
-def LDRSB_PRE : AI3ldsbpr<(outs GPR:$Rt, GPR:$Rn_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrsb", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []>;
-
-def LDRSB_POST: AI3ldsbpo<(outs GPR:$Rt, GPR:$Rn_wb),
- (ins GPR:$Rn,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
- "ldrsb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []>;
-
-// For disassembly only
-def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
- (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_iLoad_d_ru,
- "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
- Requires<[IsARM, HasV5TE]>;
+multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
+ def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
+ (ins addrmode3:$addr), IndexModePre,
+ LdMiscFrm, itin,
+ opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
+ bits<14> addr;
+ let Inst{23} = addr{8}; // U bit
+ let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
+ let Inst{19-16} = addr{12-9}; // Rn
+ let Inst{11-8} = addr{7-4}; // imm7_4/zero
+ let Inst{3-0} = addr{3-0}; // imm3_0/Rm
+ }
+ def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
+ (ins GPR:$Rn, am3offset:$offset), IndexModePost,
+ LdMiscFrm, itin,
+ opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
+ bits<10> offset;
+ bits<4> Rn;
+ let Inst{23} = offset{8}; // U bit
+ let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
+ let Inst{19-16} = Rn;
+ let Inst{11-8} = offset{7-4}; // imm7_4/zero
+ let Inst{3-0} = offset{3-0}; // imm3_0/Rm
+ }
+}
-} // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
+let mayLoad = 1, neverHasSideEffects = 1 in {
+defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
+defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
+defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
+let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
+defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
+} // mayLoad = 1, neverHasSideEffects = 1
// LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
-
+let mayLoad = 1, neverHasSideEffects = 1 in {
def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
(ins GPR:$base, am2offset:$offset), IndexModeNone,
LdFrm, IIC_iLoad_ru,
"ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am2offset:$offset), IndexModeNone,
+ (ins GPR:$base, am2offset:$offset), IndexModeNone,
LdFrm, IIC_iLoad_bh_ru,
"ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
-def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
+def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am3offset:$offset), IndexModePost,
+ LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
-def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
+def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am3offset:$offset), IndexModePost,
+ LdMiscFrm, IIC_iLoad_bh_ru,
+ "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
-def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
+def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am3offset:$offset), IndexModePost,
+ LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
+}
// Store
// Stores with truncate
-def STRH : AI3sth<(outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
+def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
[(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
// Store doubleword
let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
-def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
+def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
StMiscFrm, IIC_iStore_d_r,
"strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
// Indexed stores
-def STR_PRE : AI2ldstidx<0, 0, 1, (outs GPR:$Rn_wb),
+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 = $Rn_wb",
- [(set GPR:$Rn_wb,
- (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
- // {13} 1 == Rm, 0 == imm12
- // {12} isAdd
- // {11-0} imm12/Rm
- bits<14> offset;
- bits<4> Rn;
- let Inst{25} = offset{13};
- let Inst{23} = offset{12};
- let Inst{19-16} = Rn;
- let Inst{11-0} = offset{11-0};
-}
+ "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb,
+ (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
-def STR_POST : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
+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 = $Rn_wb",
- [(set GPR:$Rn_wb,
- (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]> {
- // {13} 1 == Rm, 0 == imm12
- // {12} isAdd
- // {11-0} imm12/Rm
- bits<14> offset;
- bits<4> Rn;
- let Inst{25} = offset{13};
- let Inst{23} = offset{12};
- let Inst{19-16} = Rn;
- let Inst{11-0} = offset{11-0};
-}
-
-def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am3offset:$offset),
- StMiscFrm, IIC_iStore_ru,
- "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
- [(set GPR:$base_wb,
- (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
+ "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb,
+ (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
-def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am3offset:$offset),
- StMiscFrm, IIC_iStore_bh_ru,
- "strh", "\t$src, [$base], $offset", "$base = $base_wb",
- [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
- GPR:$base, am3offset:$offset))]>;
-
-def STRB_PRE : AI2ldstidx<0, 1, 1, (outs GPR:$Rn_wb),
- (ins 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 = $Rn_wb",
- [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
- GPR:$Rn, am2offset:$offset))]> {
- // {13} 1 == Rm, 0 == imm12
- // {12} isAdd
- // {11-0} imm12/Rm
- bits<14> offset;
- bits<4> Rn;
- let Inst{25} = offset{13};
- let Inst{23} = offset{12};
- let Inst{19-16} = Rn;
- let Inst{11-0} = offset{11-0};
-}
-
-def STRB_POST: AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
- (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
+ [(set GPR:$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 = $Rn_wb",
- [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
- GPR:$Rn, am2offset:$offset))]> {
- // {13} 1 == Rm, 0 == imm12
- // {12} isAdd
- // {11-0} imm12/Rm
- bits<14> offset;
- bits<4> Rn;
- let Inst{25} = offset{13};
- let Inst{23} = offset{12};
- let Inst{19-16} = Rn;
- let Inst{11-0} = offset{11-0};
-}
+ [(set GPR:$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 = $Rn_wb",
+ [(set GPR:$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 = $Rn_wb",
+ [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
+ GPR:$Rn, am3offset:$offset))]>;
// For disassembly only
def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
// STRT, STRBT, and STRHT are for disassembly only.
-def STRT : AI2ldstidx<0, 0, 0, (outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am2offset:$offset),
+def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
IndexModeNone, StFrm, IIC_iStore_ru,
- "strt", "\t$src, [$base], $offset", "$base = $base_wb",
+ "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
}
-def STRBT : AI2ldstidx<0, 1, 0, (outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am2offset:$offset),
+def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModeNone, StFrm, IIC_iStore_bh_ru,
- "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
+ "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
}
} // neverHasSideEffects
-// Load / Store Multiple Mnemnoic Aliases
+// Load / Store Multiple Mnemonic Aliases
def : MnemonicAlias<"ldm", "ldmia">;
def : MnemonicAlias<"stm", "stmia">;
// FIXME: Should pc be an implicit operand like PICADD, etc?
let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
-def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
- reglist:$dsts, variable_ops),
- IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
- "ldmia${p}\t$Rn!, $dsts",
- "$Rn = $wb", []> {
- let Inst{24-23} = 0b01; // Increment After
- let Inst{21} = 1; // Writeback
- let Inst{20} = 1; // Load
-}
+def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
+ reglist:$regs, variable_ops),
+ Size4Bytes, IIC_iLoad_mBr, []>,
+ RegConstraint<"$Rn = $wb">;
//===----------------------------------------------------------------------===//
// Move Instructions.
let Inst{25} = 0;
}
-let isReMaterializable = 1, isAsCheapAsAMove = 1 in
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
"mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
bits<4> Rd;
let Inst{11-0} = imm;
}
-let isReMaterializable = 1, isAsCheapAsAMove = 1 in
-def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
+def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
DPFrm, IIC_iMOVi,
"movw", "\t$Rd, $imm",
[(set GPR:$Rd, imm0_65535:$imm)]>,
let Inst{25} = 1;
}
-let Constraints = "$src = $Rd" in
-def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
+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),
DPFrm, IIC_iMOVi,
"movt", "\t$Rd, $imm",
[(set GPR:$Rd,
let Inst{25} = 1;
}
+def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
+ (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
+
+} // Constraints
+
def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
Requires<[IsARM, HasV6T2]>;
let Uses = [CPSR] in
-def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
+def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
[(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
Requires<[IsARM]>;
// due to flag operands.
let Defs = [CPSR] in {
-def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
+def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
[(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
Requires<[IsARM]>;
-def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
+def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
[(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
Requires<[IsARM]>;
}
BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
+
+// 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",
}
// RSB with 's' bit set.
-let Defs = [CPSR] in {
+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))]> {
let Inst{19-16} = Rn;
let Inst{11-0} = imm;
}
+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))]> {
}
// FIXME: Allow these to be predicated.
-let Defs = [CPSR], Uses = [CPSR] in {
+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))]>,
// ARM Arithmetic Instruction -- for disassembly only
// GPR:$dst = GPR:$a op GPR:$b
class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
- list<dag> pattern = [/* For disassembly only; pattern left blank */]>
- : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
- opc, "\t$Rd, $Rn, $Rm", pattern> {
- bits<4> Rd;
+ list<dag> pattern = [/* For disassembly only; pattern left blank */],
+ dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
+ : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
bits<4> Rn;
+ bits<4> Rd;
bits<4> Rm;
let Inst{27-20} = op27_20;
let Inst{11-4} = op11_4;
// Saturating add/subtract -- for disassembly only
def QADD : AAI<0b00010000, 0b00000101, "qadd",
- [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
+ [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
+ (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
def QSUB : AAI<0b00010010, 0b00000101, "qsub",
- [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
-def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
-def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
+ [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
+ (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
+def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
+ "\t$Rd, $Rm, $Rn">;
+def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
+ "\t$Rd, $Rm, $Rn">;
def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
let Inst{3-0} = Rn;
}
+// GNU as only supports this form of bfi (w/ 4 arguments)
+let isAsmParserOnly = 1 in
+def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
+ lsb_pos_imm:$lsb, width_imm:$width),
+ AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
+ []>, Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<5> lsb;
+ bits<5> width;
+ let Inst{27-21} = 0b0111110;
+ let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = lsb;
+ let Inst{20-16} = width; // Custom encoder => lsb+width-1
+ let Inst{3-0} = Rn;
+}
+
def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
"mvn", "\t$Rd, $Rm",
[(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
let Inst{15-12} = Rd;
let Inst{11-0} = shift;
}
-let isReMaterializable = 1, isAsCheapAsAMove = 1 in
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
IIC_iMVNi, "mvn", "\t$Rd, $imm",
[(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
let Inst{3-0} = Rn;
}
-let isCommutable = 1 in
+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))]>;
+ [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
+ Requires<[IsARM, HasV6]>;
+}
+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:$Ra))]>,
+ Requires<[IsARM, NoV6]> {
+ bits<4> Ra;
+ let Inst{15-12} = Ra;
+}
def MLA : AsMul1I32<0b0000001, (outs GPR:$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:$Ra))]> {
+ [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
+ Requires<[IsARM, HasV6]> {
bits<4> Ra;
let Inst{15-12} = Ra;
}
-def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
- IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
+def MLS : AMul1I<0b0000011, (outs GPR:$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)))]>,
Requires<[IsARM, HasV6T2]> {
bits<4> Rd;
bits<4> Rm;
bits<4> Rn;
+ bits<4> Ra;
let Inst{19-16} = Rd;
+ let Inst{15-12} = Ra;
let Inst{11-8} = Rm;
let Inst{3-0} = Rn;
}
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:$Rm), IIC_iMUL64,
- "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
+ "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]>;
def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
- "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
+ "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]>;
}
// Multiply + accumulate
+let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
+def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMAC64, []>,
+ Requires<[IsARM, NoV6]>;
+def UMLALv5 : ARMPseudoInst<(outs GPR:$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:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMAC64, []>,
+ Requires<[IsARM, NoV6]>;
+
+}
+
def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
- "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
-
+ "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]>;
def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
- "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
+ "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]>;
def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
+// ARMcmpZ can re-use the above instruction definitions.
+def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
+ (CMPri GPR:$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:$rhs)>;
+
// FIXME: We have to be careful when using the CMN instruction and comparison
// with 0. One would expect these two pieces of code should give identical
// results:
// Note that TST/TEQ don't set all the same flags that CMP does!
defm TST : AI1_cmp_irs<0b1000, "tst",
IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
- BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
+ BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
defm TEQ : AI1_cmp_irs<0b1001, "teq",
IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
- BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
+ BinOpFrag<(ARMcmpZ (xor_su node:$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:$RHS))>>;
Defs = [CPSR] in {
def BCCi64 : PseudoInst<(outs),
(ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
- IIC_Br, "",
+ IIC_Br,
[(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
def BCCZi64 : PseudoInst<(outs),
- (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
+ (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
[(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
} // usesCustomInserter
// Conditional moves
// FIXME: should be able to write a pattern for ARMcmov, but can't use
// a two-value operand where a dag node expects two operands. :(
-// FIXME: These should all be pseudo-instructions that get expanded to
-// the normal MOV instructions. That would fix the dependency on
-// special casing them in tblgen.
let neverHasSideEffects = 1 in {
-def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
- IIC_iCMOVr, "mov", "\t$Rd, $Rm",
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<4> Rm;
- let Inst{25} = 0;
- let Inst{20} = 0;
- let Inst{15-12} = Rd;
- let Inst{11-4} = 0b00000000;
- let Inst{3-0} = Rm;
-}
-
-def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
- (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
- "mov", "\t$Rd, $shift",
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{20} = 0;
- let Inst{19-16} = 0;
- let Inst{15-12} = Rd;
- let Inst{11-0} = shift;
-}
-
-def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
- DPFrm, IIC_iMOVi,
- "movw", "\t$Rd, $imm",
- []>,
- RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
- UnaryDP {
- bits<4> Rd;
- bits<16> imm;
- let Inst{25} = 1;
- let Inst{20} = 0;
- let Inst{19-16} = imm{15-12};
- let Inst{15-12} = Rd;
- let Inst{11-0} = imm{11-0};
-}
-
-def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
- (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
- "mov", "\t$Rd, $imm",
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{20} = 0;
- let Inst{19-16} = 0b0000;
- let Inst{15-12} = Rd;
- let Inst{11-0} = imm;
-}
+def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
+ Size4Bytes, IIC_iCMOVr,
+ [/*(set GPR:$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))*/]>,
+ RegConstraint<"$false = $Rd">;
+
+let isMoveImm = 1 in
+def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
+ Size4Bytes, IIC_iMOVi,
+ []>,
+ RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
+
+let isMoveImm = 1 in
+def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, so_imm:$imm, pred:$p),
+ Size4Bytes, IIC_iCMOVi,
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">;
// Two instruction predicate mov immediate.
-def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, i32imm:$src, pred:$p),
- IIC_iCMOVix2, "", []>, RegConstraint<"$false = $Rd">;
-
-def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
- (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
- "mvn", "\t$Rd, $imm",
+let isMoveImm = 1 in
+def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, i32imm:$src, pred:$p),
+ Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
+
+let isMoveImm = 1 in
+def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, so_imm:$imm, pred:$p),
+ Size4Bytes, IIC_iCMOVi,
[/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{20} = 0;
- let Inst{19-16} = 0b0000;
- let Inst{15-12} = Rd;
- let Inst{11-0} = imm;
-}
+ RegConstraint<"$false = $Rd">;
} // neverHasSideEffects
//===----------------------------------------------------------------------===//
def memb_opt : Operand<i32> {
let PrintMethod = "printMemBOption";
+ let ParserMatchClass = MemBarrierOptOperand;
}
// memory barriers protect the atomic sequences
let Inst{31-4} = 0xf57ff05;
let Inst{3-0} = opt;
}
-
-def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
- "mcr", "\tp15, 0, $zero, c7, c10, 5",
- [(ARMMemBarrierMCR GPR:$zero)]>,
- Requires<[IsARM, HasV6]> {
- // FIXME: add encoding
-}
}
def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
let usesCustomInserter = 1 in {
let Uses = [CPSR] in {
def ATOMIC_LOAD_ADD_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_SUB_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_AND_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_OR_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_XOR_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_ADD_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_SUB_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_AND_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_OR_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_XOR_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_ADD_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_SUB_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_AND_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_OR_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_XOR_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
[(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_SWAP_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
[(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
def ATOMIC_SWAP_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
[(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
def ATOMIC_SWAP_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
[(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
def ATOMIC_CMP_SWAP_I8 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
[(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
def ATOMIC_CMP_SWAP_I16 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
[(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
def ATOMIC_CMP_SWAP_I32 : PseudoInst<
- (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
+ (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
[(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
}
}
[/* For disassembly only; pattern left blank */]>;
}
+//===----------------------------------------------------------------------===//
+// Coprocessor Instructions.
+//
+
+def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<4> opc1;
+ bits<4> CRn;
+ bits<4> CRd;
+ bits<4> cop;
+ bits<3> opc2;
+ bits<4> CRm;
+
+ let Inst{3-0} = CRm;
+ let Inst{4} = 0;
+ let Inst{7-5} = opc2;
+ let Inst{11-8} = cop;
+ let Inst{15-12} = CRd;
+ let Inst{19-16} = CRn;
+ let Inst{23-20} = opc1;
+}
+
+def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{31-28} = 0b1111;
+ bits<4> opc1;
+ bits<4> CRn;
+ bits<4> CRd;
+ bits<4> cop;
+ bits<3> opc2;
+ bits<4> CRm;
+
+ let Inst{3-0} = CRm;
+ let Inst{4} = 0;
+ let Inst{7-5} = opc2;
+ let Inst{11-8} = cop;
+ let Inst{15-12} = CRd;
+ let Inst{19-16} = CRn;
+ let Inst{23-20} = opc1;
+}
+
+class ACI<dag oops, dag iops, string opc, string asm>
+ : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
+ opc, asm, "", [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-25} = 0b110;
+}
+
+multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
+
+ def _OFFSET : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
+ opc, "\tp$cop, cr$CRd, $addr"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 1; // P = 1
+ let Inst{21} = 0; // W = 0
+ let Inst{22} = 0; // D = 0
+ let Inst{20} = load;
+ }
+
+ def _PRE : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
+ opc, "\tp$cop, cr$CRd, $addr!"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 1; // P = 1
+ let Inst{21} = 1; // W = 1
+ let Inst{22} = 0; // D = 0
+ let Inst{20} = load;
+ }
+
+ def _POST : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
+ opc, "\tp$cop, cr$CRd, [$base], $offset"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 0; // P = 0
+ let Inst{21} = 1; // W = 1
+ let Inst{22} = 0; // D = 0
+ let Inst{20} = load;
+ }
+
+ def _OPTION : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
+ opc, "\tp$cop, cr$CRd, [$base], $option"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 0; // P = 0
+ let Inst{23} = 1; // U = 1
+ let Inst{21} = 0; // W = 0
+ let Inst{22} = 0; // D = 0
+ let Inst{20} = load;
+ }
+
+ def L_OFFSET : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 1; // P = 1
+ let Inst{21} = 0; // W = 0
+ let Inst{22} = 1; // D = 1
+ let Inst{20} = load;
+ }
+
+ def L_PRE : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 1; // P = 1
+ let Inst{21} = 1; // W = 1
+ let Inst{22} = 1; // D = 1
+ let Inst{20} = load;
+ }
+
+ def L_POST : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 0; // P = 0
+ let Inst{21} = 1; // W = 1
+ let Inst{22} = 1; // D = 1
+ let Inst{20} = load;
+ }
+
+ def L_OPTION : ACI<(outs),
+ (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
+ !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
+ let Inst{31-28} = op31_28;
+ let Inst{24} = 0; // P = 0
+ let Inst{23} = 1; // U = 1
+ let Inst{21} = 0; // W = 0
+ let Inst{22} = 1; // D = 1
+ let Inst{20} = load;
+ }
+}
+
+defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
+defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
+defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
+defm STC2 : LdStCop<0b1111, 0, "stc2">;
+
+//===----------------------------------------------------------------------===//
+// Move between coprocessor and ARM core register -- for disassembly only
+//
+
+class MovRCopro<string opc, bit direction>
+ : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{20} = direction;
+ let Inst{4} = 1;
+
+ bits<4> Rt;
+ bits<4> cop;
+ bits<3> opc1;
+ bits<3> opc2;
+ bits<4> CRm;
+ bits<4> CRn;
+
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = cop;
+ let Inst{23-21} = opc1;
+ let Inst{7-5} = opc2;
+ let Inst{3-0} = CRm;
+ let Inst{19-16} = CRn;
+}
+
+def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
+def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
+
+class MovRCopro2<string opc, bit direction>
+ : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{31-28} = 0b1111;
+ let Inst{20} = direction;
+ let Inst{4} = 1;
+
+ bits<4> Rt;
+ bits<4> cop;
+ bits<3> opc1;
+ bits<3> opc2;
+ bits<4> CRm;
+ bits<4> CRn;
+
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = cop;
+ let Inst{23-21} = opc1;
+ let Inst{7-5} = opc2;
+ let Inst{3-0} = CRm;
+ let Inst{19-16} = CRn;
+}
+
+def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
+def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
+
+class MovRRCopro<string opc, bit direction>
+ : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
+ NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{23-21} = 0b010;
+ let Inst{20} = direction;
+
+ bits<4> Rt;
+ bits<4> Rt2;
+ bits<4> cop;
+ bits<4> opc1;
+ bits<4> CRm;
+
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+ let Inst{11-8} = cop;
+ let Inst{7-4} = opc1;
+ let Inst{3-0} = CRm;
+}
+
+def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
+def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
+
+class MovRRCopro2<string opc, bit direction>
+ : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
+ NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{31-28} = 0b1111;
+ let Inst{23-21} = 0b010;
+ let Inst{20} = direction;
+
+ bits<4> Rt;
+ bits<4> Rt2;
+ bits<4> cop;
+ bits<4> opc1;
+ bits<4> CRm;
+
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+ let Inst{11-8} = cop;
+ let Inst{7-4} = opc1;
+ let Inst{3-0} = CRm;
+}
+
+def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
+def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
+
+//===----------------------------------------------------------------------===//
+// Move between special register and ARM core register -- for disassembly only
+//
+
+// Move to ARM core register from Special Register
+def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<4> Rd;
+ let Inst{23-16} = 0b00001111;
+ let Inst{15-12} = Rd;
+ let Inst{7-4} = 0b0000;
+}
+
+def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<4> Rd;
+ let Inst{23-16} = 0b01001111;
+ let Inst{15-12} = Rd;
+ let Inst{7-4} = 0b0000;
+}
+
+// Move from ARM core register to Special Register
+//
+// No need to have both system and application versions, the encodings are the
+// same and the assembly parser has no way to distinguish between them. The mask
+// operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
+// the mask with the fields to be accessed in the special register.
+def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
+ "msr", "\t$mask, $Rn",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<5> mask;
+ bits<4> Rn;
+
+ let Inst{23} = 0;
+ let Inst{22} = mask{4}; // R bit
+ let Inst{21-20} = 0b10;
+ let Inst{19-16} = mask{3-0};
+ let Inst{15-12} = 0b1111;
+ let Inst{11-4} = 0b00000000;
+ let Inst{3-0} = Rn;
+}
+
+def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
+ "msr", "\t$mask, $a",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<5> mask;
+ bits<12> a;
+
+ let Inst{23} = 0;
+ let Inst{22} = mask{4}; // R bit
+ let Inst{21-20} = 0b10;
+ let Inst{19-16} = mask{3-0};
+ let Inst{15-12} = 0b1111;
+ let Inst{11-0} = a;
+}
+
//===----------------------------------------------------------------------===//
// TLS Instructions
//
// __aeabi_read_tp preserves the registers r1-r3.
-// FIXME: This needs to be a pseudo of some sort so that we can get the
-// encoding right, complete with fixup for the aeabi_read_tp function.
+// This is a pseudo inst so that we can get the encoding right,
+// complete with fixup for the aeabi_read_tp function.
let isCall = 1,
- Defs = [R0, R12, LR, CPSR] in {
- def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
- "bl\t__aeabi_read_tp",
+ Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
+ def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
[(set R0, ARMthread_pointer)]>;
}
D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
D31 ], hasSideEffects = 1, isBarrier = 1 in {
- def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
- AddrModeNone, SizeSpecial, IndexModeNone,
- Pseudo, NoItinerary, "", "",
+ def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
+ NoItinerary,
[(set R0, (ARMeh_sjlj_setjmp GPR:$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:$val),
- AddrModeNone, SizeSpecial, IndexModeNone,
- Pseudo, NoItinerary, "", "",
+ def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
+ NoItinerary,
[(set R0, (ARMeh_sjlj_setjmp GPR:$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:$scratch),
- AddrModeNone, SizeSpecial, IndexModeNone,
- Pseudo, NoItinerary, "", "",
+def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
+ NoItinerary,
[(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
Requires<[IsARM, IsDarwin]>;
}
// that need the instruction size).
let isBarrier = 1, hasSideEffects = 1 in
def Int_eh_sjlj_dispatchsetup :
- PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
+ PseudoInst<(outs), (ins GPR:$src), NoItinerary,
[(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
Requires<[IsDarwin]>;
// Large immediate handling.
-// FIXME: Folding immediates into these logical operations aren't necessary
-// good ideas. If it's in a loop machine licm could have hoisted the immediate
-// computation out of the loop.
-def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
- (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
- (so_imm2part_2 imm:$RHS))>;
-def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
- (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
- (so_imm2part_2 imm:$RHS))>;
-def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
- (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
- (so_imm2part_2 imm:$RHS))>;
-def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
- (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
- (so_neg_imm2part_2 imm:$RHS))>;
-
// 32-bit immediate using two piece so_imms or movw + movt.
// This is a single pseudo instruction, the benefit is that it can be remat'd
// 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 : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
+let isReMaterializable = 1, isMoveImm = 1 in
+def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
[(set GPR:$dst, (arm_i32imm:$src))]>,
Requires<[IsARM]>;
+// Pseudo instruction that combines movw + movt + add pc (if PIC).
+// It also makes it possible to rematerialize the instructions.
+// FIXME: Remove this when we can do generalized remat and when machine licm
+// can properly the instructions.
+let isReMaterializable = 1 in {
+def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
+ IIC_iMOVix2addpc,
+ [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
+ Requires<[IsARM, UseMovt]>;
+
+def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
+ IIC_iMOVix2,
+ [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
+ Requires<[IsARM, UseMovt]>;
+
+let AddedComplexity = 10 in
+def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
+ IIC_iMOVix2ld,
+ [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
+ Requires<[IsARM, UseMovt]>;
+} // isReMaterializable
+
// ConstantPool, GlobalAddress, and JumpTable
def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
Requires<[IsARM, DontUseMovt]>;
(sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
(SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
+
+// Pre-v7 uses MCR for synchronization barriers.
+def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
+ Requires<[IsARM, HasV6]>;
+
+
//===----------------------------------------------------------------------===//
// Thumb Support
//
include "ARMInstrNEON.td"
-//===----------------------------------------------------------------------===//
-// Coprocessor Instructions. For disassembly only.
-//
-
-def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{4} = 0;
-}
-
-def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{31-28} = 0b1111;
- let Inst{4} = 0;
-}
-
-class ACI<dag oops, dag iops, string opc, string asm>
- : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
- opc, asm, "", [/* For disassembly only; pattern left blank */]> {
- let Inst{27-25} = 0b110;
-}
-
-multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
-
- def _OFFSET : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- opc, "\tp$cop, cr$CRd, $addr"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 1; // P = 1
- let Inst{21} = 0; // W = 0
- let Inst{22} = 0; // D = 0
- let Inst{20} = load;
- }
-
- def _PRE : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- opc, "\tp$cop, cr$CRd, $addr!"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 1; // P = 1
- let Inst{21} = 1; // W = 1
- let Inst{22} = 0; // D = 0
- let Inst{20} = load;
- }
-
- def _POST : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
- opc, "\tp$cop, cr$CRd, [$base], $offset"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 0; // P = 0
- let Inst{21} = 1; // W = 1
- let Inst{22} = 0; // D = 0
- let Inst{20} = load;
- }
-
- def _OPTION : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
- opc, "\tp$cop, cr$CRd, [$base], $option"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 0; // P = 0
- let Inst{23} = 1; // U = 1
- let Inst{21} = 0; // W = 0
- let Inst{22} = 0; // D = 0
- let Inst{20} = load;
- }
-
- def L_OFFSET : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 1; // P = 1
- let Inst{21} = 0; // W = 0
- let Inst{22} = 1; // D = 1
- let Inst{20} = load;
- }
-
- def L_PRE : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 1; // P = 1
- let Inst{21} = 1; // W = 1
- let Inst{22} = 1; // D = 1
- let Inst{20} = load;
- }
-
- def L_POST : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 0; // P = 0
- let Inst{21} = 1; // W = 1
- let Inst{22} = 1; // D = 1
- let Inst{20} = load;
- }
-
- def L_OPTION : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
- let Inst{31-28} = op31_28;
- let Inst{24} = 0; // P = 0
- let Inst{23} = 1; // U = 1
- let Inst{21} = 0; // W = 0
- let Inst{22} = 1; // D = 1
- let Inst{20} = load;
- }
-}
-
-defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
-defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
-defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
-defm STC2 : LdStCop<0b1111, 0, "stc2">;
-
-def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{20} = 0;
- let Inst{4} = 1;
-}
-
-def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{31-28} = 0b1111;
- let Inst{20} = 0;
- let Inst{4} = 1;
-}
-
-def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{20} = 1;
- let Inst{4} = 1;
-}
-
-def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{31-28} = 0b1111;
- let Inst{20} = 1;
- let Inst{4} = 1;
-}
-
-def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0100;
-}
-
-def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{31-28} = 0b1111;
- let Inst{23-20} = 0b0100;
-}
-
-def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0101;
-}
-
-def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{31-28} = 0b1111;
- let Inst{23-20} = 0b0101;
-}
-
-//===----------------------------------------------------------------------===//
-// Move between special register and ARM core register -- for disassembly only
-//
-
-def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0000;
- let Inst{7-4} = 0b0000;
-}
-
-def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0100;
- let Inst{7-4} = 0b0000;
-}
-
-def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
- "msr", "\tcpsr$mask, $src",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0010;
- let Inst{7-4} = 0b0000;
-}
-
-def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
- "msr", "\tcpsr$mask, $a",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0010;
- let Inst{7-4} = 0b0000;
-}
-
-def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
- "msr", "\tspsr$mask, $src",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0110;
- let Inst{7-4} = 0b0000;
-}
-
-def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$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