SDTCisInt<2>]>;
def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
-def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
+def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 0, []>;
def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
[SDNPInGlue]>;
-def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
- [SDNPInGlue]>;
def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
[SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
//
// 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 EncoderMethod = "getRotImmOpValue";
}
+def ShifterAsmOperand : AsmOperandClass {
+ let Name = "Shifter";
+ let SuperClasses = [];
+}
+
// shift_imm: An integer that encodes a shift amount and the type of shift
// (currently either asr or lsl) using the same encoding used for the
// immediates in so_reg operands.
def shift_imm : Operand<i32> {
let PrintMethod = "printShiftImmOperand";
+ let ParserMatchClass = ShifterAsmOperand;
}
// shifter_operand operands: so_reg and so_imm.
[shl,srl,sra,rotr]> {
let EncoderMethod = "getSORegOpValue";
let PrintMethod = "printSORegOperand";
- let MIOperandInfo = (ops GPR, GPR, i32imm);
+ let MIOperandInfo = (ops GPR, GPR, shift_imm);
}
def shift_so_reg : Operand<i32>, // reg reg imm
ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
[shl,srl,sra,rotr]> {
let EncoderMethod = "getSORegOpValue";
let PrintMethod = "printSORegOperand";
- let MIOperandInfo = (ops GPR, GPR, i32imm);
+ let MIOperandInfo = (ops GPR, GPR, shift_imm);
}
// so_imm - Match a 32-bit shifter_operand immediate operand, which is an
-// 8-bit immediate rotated by an arbitrary number of bits. 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";
// Define ARM specific addressing modes.
+def MemMode2AsmOperand : AsmOperandClass {
+ let Name = "MemMode2";
+ let SuperClasses = [];
+ let ParserMethod = "tryParseMemMode2Operand";
+}
+
+def MemMode3AsmOperand : AsmOperandClass {
+ let Name = "MemMode3";
+ let SuperClasses = [];
+ let ParserMethod = "tryParseMemMode3Operand";
+}
// addrmode_imm12 := reg +/- imm12
//
ComplexPattern<i32, 3, "SelectAddrMode2", []> {
let EncoderMethod = "getAddrMode2OpValue";
let PrintMethod = "printAddrMode2Operand";
+ let ParserMatchClass = MemMode2AsmOperand;
let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
}
ComplexPattern<i32, 3, "SelectAddrMode3", []> {
let EncoderMethod = "getAddrMode3OpValue";
let PrintMethod = "printAddrMode3Operand";
+ let ParserMatchClass = MemMode3AsmOperand;
let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
}
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";
let MIOperandInfo = (ops GPR, i32imm);
}
+def MemMode7AsmOperand : AsmOperandClass {
+ let Name = "MemMode7";
+ let SuperClasses = [];
+}
+
+// addrmode7 := reg
+// Used by load/store exclusive instructions. Useful to enable right assembly
+// parsing and printing. Not used for any codegen matching.
+//
+def addrmode7 : Operand<i32> {
+ let PrintMethod = "printAddrMode7Operand";
+ let MIOperandInfo = (ops GPR);
+ let ParserMatchClass = MemMode7AsmOperand;
+}
+
def nohash_imm : 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;
}
//===----------------------------------------------------------------------===//
let Inst{19-16} = Rn;
}
}
+}
+
// Carry setting variants
-let isCodeGenOnly = 1, Defs = [CPSR] in {
-multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
- def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
- [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> imm;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{11-0} = imm;
- let Inst{20} = 1;
- let Inst{25} = 1;
- }
- def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
- DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
- [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<4> Rm;
- let Inst{11-4} = 0b00000000;
+// NOTE: CPSR def omitted because it will be handled by the custom inserter.
+let usesCustomInserter = 1 in {
+multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
+ def Sri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ Size4Bytes, IIC_iALUi,
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
+ def Srr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ Size4Bytes, IIC_iALUr,
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
let isCommutable = Commutable;
- let Inst{3-0} = Rm;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{20} = 1;
- let Inst{25} = 0;
- }
- def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
- [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{11-0} = shift;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{20} = 1;
- let Inst{25} = 0;
}
-}
+ def Srs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ Size4Bytes, IIC_iALUsr,
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>;
}
}
[(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
bits<4> Rt;
bits<17> shift;
+ let shift{4} = 0; // Inst{4} = 0
let Inst{23} = shift{12}; // U (add = ('U' == 1))
let Inst{19-16} = shift{16-13}; // Rn
let Inst{15-12} = Rt;
[(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
bits<4> Rt;
bits<17> shift;
+ let shift{4} = 0; // Inst{4} = 0
let Inst{23} = shift{12}; // U (add = ('U' == 1))
let Inst{19-16} = shift{16-13}; // Rn
let Inst{15-12} = Rt;
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$mode">;
+
// Preload signals the memory system of possible future data/instruction access.
// These are for disassembly only.
multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
// The 'adr' mnemonic encodes differently if the label is before or after
// the instruction. The {24-21} opcode bits are set by the fixup, as we don't
// know until then which form of the instruction will be used.
-def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
+def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
bits<4> Rd;
bits<12> label;
// before calls from potentially appearing dead.
let isCall = 1,
// On non-Darwin platforms R9 is callee-saved.
+ // FIXME: Do we really need a non-predicated version? If so, it should
+ // at least be a pseudo instruction expanding to the predicated version
+ // at MC lowering time.
Defs = [R0, R1, R2, R3, R12, LR,
D0, D1, D2, D3, D4, D5, D6, D7,
D16, D17, D18, D19, D20, D21, D22, D23,
D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
Uses = [SP] in {
- def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
+ 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:$func)]>,
Requires<[IsARM, IsNotDarwin]> {
Requires<[IsARM, HasV5T, IsNotDarwin]> {
bits<4> func;
let Inst{31-4} = 0b1110000100101111111111110011;
- let Inst{3-0} = func;
+ let Inst{3-0} = func;
+ }
+
+ def BLX_pred : AI<(outs), (ins GPR:$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;
}
// ARMv4T
D16, D17, D18, D19, D20, D21, D22, D23,
D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
Uses = [R7, SP] in {
- def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
- IIC_Br, "bl\t$func",
- [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
- let Inst{31-28} = 0b1110;
- bits<24> func;
- let Inst{23-0} = func;
- }
+ def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$func, variable_ops),
+ Size4Bytes, IIC_Br,
+ [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
- def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
- IIC_Br, "bl", "\t$func",
+ def BLr9_pred : ARMPseudoInst<(outs),
+ (ins bltarget:$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:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
- bits<4> func;
- let Inst{31-4} = 0b1110000100101111111111110011;
- let Inst{3-0} = func;
- }
+ def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$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 $func to the tGPR regclass to prevent it being in LR.
// Tail calls.
-// FIXME: These should probably be xformed into the non-TC versions of the
-// instructions as part of MC lowering.
-// FIXME: These seem to be used for both Thumb and ARM instruction selection.
-// Thumb should have its own version since the instruction is actually
-// different, even though the mnemonic is the same.
+// FIXME: The Thumb versions of these should live in ARMInstrThumb.td
let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
// Darwin versions.
let Defs = [R0, R1, R2, R3, R9, R12,
def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
IIC_Br, []>, Requires<[IsDarwin]>;
- def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
- IIC_Br, "b\t$dst @ TAILCALL",
+ def TAILJMPd : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
+ Size4Bytes, IIC_Br,
[]>, Requires<[IsARM, IsDarwin]>;
- def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
- IIC_Br, "b.w\t$dst @ TAILCALL",
+ def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
+ Size4Bytes, IIC_Br,
[]>, Requires<[IsThumb, 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 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).
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;
- }
+ // 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),
// 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;
}
}
+// BLX (immediate) -- for disassembly only
+def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
+ "blx\t$target", [/* pattern left blank */]>,
+ Requires<[IsARM, HasV5T]> {
+ let Inst{31-25} = 0b1111101;
+ bits<25> target;
+ let Inst{23-0} = target{24-1};
+ let Inst{24} = target{0};
+}
+
// Branch and Exchange Jazelle -- for disassembly only
def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
[/* For disassembly only; pattern left blank */]> {
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!
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b110; // W = 1
+ let Inst{19-8} = 0xd05;
+ let Inst{7-5} = 0b000;
}
def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b100; // W = 0
+ let Inst{19-8} = 0xd05;
+ let Inst{7-5} = 0b000;
}
// Return From Exception is a system instruction -- for disassembly only
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b011; // W = 1
+ let Inst{15-0} = 0x0a00;
}
def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b001; // W = 0
+ let Inst{15-0} = 0x0a00;
}
} // isCodeGenOnly = 1
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 $Rd (dst2 = Rd+1)
-// how to represent that such that tblgen is happy and we don't
-// mark this codegen only?
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
// Load doubleword
def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
(ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
+ IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
[]>, Requires<[IsARM, HasV5TE]>;
}
let Inst{23} = addr{12};
let Inst{19-16} = addr{17-14};
let Inst{11-0} = addr{11-0};
+ let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
}
def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
(ins GPR:$Rn, am2offset:$offset),
defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
-let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
-defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
+let hasExtraDefRegAllocReq = 1 in {
+def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
+ (ins addrmode3:$addr), IndexModePre,
+ LdMiscFrm, IIC_iLoad_d_ru,
+ "ldrd", "\t$Rt, $Rt2, $addr!",
+ "$addr.base = $Rn_wb", []> {
+ bits<14> addr;
+ let Inst{23} = addr{8}; // U bit
+ let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
+ let Inst{19-16} = addr{12-9}; // Rn
+ let Inst{11-8} = addr{7-4}; // imm7_4/zero
+ let Inst{3-0} = addr{3-0}; // imm3_0/Rm
+}
+def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
+ (ins GPR:$Rn, am3offset:$offset), IndexModePost,
+ LdMiscFrm, IIC_iLoad_d_ru,
+ "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
+ "$Rn = $Rn_wb", []> {
+ bits<10> offset;
+ bits<4> Rn;
+ let Inst{23} = offset{8}; // U bit
+ let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
+ let Inst{19-16} = Rn;
+ let Inst{11-8} = offset{7-4}; // imm7_4/zero
+ let Inst{3-0} = offset{3-0}; // imm3_0/Rm
+}
+} // hasExtraDefRegAllocReq = 1
} // mayLoad = 1, neverHasSideEffects = 1
// LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
let mayLoad = 1, neverHasSideEffects = 1 in {
-def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am2offset:$offset), IndexModeNone,
- LdFrm, IIC_iLoad_ru,
- "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
+def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
+ (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
+ "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
+ // {17-14} Rn
+ // {13} 1 == Rm, 0 == imm12
+ // {12} isAdd
+ // {11-0} imm12/Rm
+ bits<18> addr;
+ let Inst{25} = addr{13};
+ let Inst{23} = addr{12};
let Inst{21} = 1; // overwrite
-}
-def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am2offset:$offset), IndexModeNone,
- LdFrm, IIC_iLoad_bh_ru,
- "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
+ let Inst{19-16} = addr{17-14};
+ let Inst{11-0} = addr{11-0};
+ let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
+}
+def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
+ (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
+ "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
+ // {17-14} Rn
+ // {13} 1 == Rm, 0 == imm12
+ // {12} isAdd
+ // {11-0} imm12/Rm
+ bits<18> addr;
+ let Inst{25} = addr{13};
+ let Inst{23} = addr{12};
let Inst{21} = 1; // overwrite
+ let Inst{19-16} = addr{17-14};
+ let Inst{11-0} = addr{11-0};
+ let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
}
-def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am3offset:$offset), IndexModePost,
- LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
+def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
+ (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
+ "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am3offset:$offset), IndexModePost,
- LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
+def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
+ (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
+ "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am3offset:$offset), IndexModePost,
- LdMiscFrm, IIC_iLoad_bh_ru,
- "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
+def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
+ (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
+ "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
}
[(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
// Store doubleword
-let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
- isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
-def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
+let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
+def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
StMiscFrm, IIC_iStore_d_r,
- "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
+ "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
// Indexed stores
def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePre, StFrm, IIC_iStore_ru,
- "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ "str", "\t$Rt, [$Rn, $offset]!",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb,
(pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePost, StFrm, IIC_iStore_ru,
- "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ "str", "\t$Rt, [$Rn], $offset",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb,
(post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePre, StFrm, IIC_iStore_bh_ru,
- "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ "strb", "\t$Rt, [$Rn, $offset]!",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
GPR:$Rn, am2offset:$offset))]>;
def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
IndexModePost, StFrm, IIC_iStore_bh_ru,
- "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ "strb", "\t$Rt, [$Rn], $offset",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
GPR:$Rn, am2offset:$offset))]>;
def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
IndexModePre, StMiscFrm, IIC_iStore_ru,
- "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ "strh", "\t$Rt, [$Rn, $offset]!",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb,
(pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
(ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
- "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ "strh", "\t$Rt, [$Rn], $offset",
+ "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
[(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
GPR:$Rn, am3offset:$offset))]>;
// For disassembly only
+let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
(ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
StMiscFrm, IIC_iStore_d_ru,
StMiscFrm, IIC_iStore_d_ru,
"strd", "\t$src1, $src2, [$base], $offset",
"$base = $base_wb", []>;
+} // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
// STRT, STRBT, and STRHT are for disassembly only.
-def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
- (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
- IndexModeNone, StFrm, IIC_iStore_ru,
- "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
- [/* For disassembly only; pattern left blank */]> {
+def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
+ IndexModePost, StFrm, IIC_iStore_ru,
+ "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
+ [/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
+ let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
}
-def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
- (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
- IndexModeNone, StFrm, IIC_iStore_bh_ru,
- "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
- [/* For disassembly only; pattern left blank */]> {
+def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
+ IndexModePost, StFrm, IIC_iStore_bh_ru,
+ "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
+ [/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
+ let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
}
-def STRHT: AI3sthpo<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am3offset:$offset),
+def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
StMiscFrm, IIC_iStore_bh_ru,
- "strht", "\t$src, [$base], $offset", "$base = $base_wb",
+ "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
+ let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
}
//===----------------------------------------------------------------------===//
let Inst{21} = 1; // Writeback
let Inst{20} = L_bit;
}
-}
+}
let neverHasSideEffects = 1 in {
// FIXME: Should pc be an implicit operand like PICADD, etc?
let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
-// FIXME: Should be a pseudo-instruction.
-def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
- reglist:$regs, variable_ops),
- IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
- "ldmia${p}\t$Rn!, $regs",
- "$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 = $wb">;
//===----------------------------------------------------------------------===//
// Move Instructions.
bits<4> Rd;
bits<4> Rm;
+ let Inst{19-16} = 0b0000;
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
let Inst{3-0} = Rm;
bits<4> Rd;
bits<12> src;
let Inst{15-12} = Rd;
+ let Inst{19-16} = 0b0000;
let Inst{11-0} = src;
let Inst{25} = 0;
}
BinOpFrag<(sube_dead_carry node:$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:$RHS)>, 1>;
-defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
- BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
+let usesCustomInserter = 1 in {
+defm ADCS : AI1_adde_sube_s_irs<
+ BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
+defm SBCS : AI1_adde_sube_s_irs<
+ BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
+}
def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
}
// RSB with 's' bit set.
-let isCodeGenOnly = 1, Defs = [CPSR] in {
-def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
- IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{20} = 1;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{11-0} = imm;
-}
-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))]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{20} = 1;
- let Inst{11-0} = shift;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
-}
+// NOTE: CPSR def omitted because it will be handled by the custom inserter.
+let usesCustomInserter = 1 in {
+def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ Size4Bytes, IIC_iALUi,
+ [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
+def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ Size4Bytes, IIC_iALUr,
+ [/* For disassembly only; pattern left blank */]>;
+def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ Size4Bytes, IIC_iALUsr,
+ [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>;
}
let Uses = [CPSR] in {
}
}
-// FIXME: Allow these to be predicated.
-let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
-def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
- DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{20} = 1;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
- let Inst{11-0} = imm;
-}
-def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
- DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
- Requires<[IsARM]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{20} = 1;
- let Inst{11-0} = shift;
- let Inst{15-12} = Rd;
- let Inst{19-16} = Rn;
-}
+// NOTE: CPSR def omitted because it will be handled by the custom inserter.
+let usesCustomInserter = 1, Uses = [CPSR] in {
+def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ Size4Bytes, IIC_iALUi,
+ [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
+def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ Size4Bytes, IIC_iALUsr,
+ [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>;
}
// (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
[(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
- Requires<[IsARM, HasV6]>;
+ Requires<[IsARM, HasV6]> {
+ let Inst{15-12} = 0b0000;
+}
}
let Constraints = "@earlyclobber $Rd" in
def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
(ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
- Size4Bytes, IIC_iMAC32,
- [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
+ Size4Bytes, IIC_iMAC32,
+ [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
Requires<[IsARM, NoV6]> {
bits<4> Ra;
let Inst{15-12} = Ra;
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:$s),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
Size4Bytes, IIC_iMUL64, []>,
Requires<[IsARM, NoV6]>;
// 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:$s),
+ (ins GPR:$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:$s),
+ (ins GPR:$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:$s),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
Size4Bytes, IIC_iMAC64, []>,
Requires<[IsARM, NoV6]>;
IIC_iUNAr, "revsh", "\t$Rd, $Rm",
[(set GPR:$Rd,
(sext_inreg
- (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
+ (or (srl GPR:$Rm, (i32 8)),
(shl GPR:$Rm, (i32 8))), i16))]>,
Requires<[IsARM, HasV6]>;
+def : ARMV6Pat<(sext_inreg (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
+ (shl GPR:$Rm, (i32 8))), i16),
+ (REVSH GPR:$Rm)>;
+
+// Need the AddedComplexity or else MOVs + REV would be chosen.
+let AddedComplexity = 5 in
+def : ARMV6Pat<(sra (bswap GPR:$Rm), (i32 16)), (REVSH GPR:$Rm)>;
+
def lsl_shift_imm : SDNodeXForm<imm, [{
unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
return CurDAG->getTargetConstant(Sh, MVT::i32);
// 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 = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{20} = 0;
- let Inst{19-16} = 0;
- let Inst{15-12} = Rd;
- let Inst{11-0} = shift;
-}
+def MOVCCr : ARMPseudoInst<(outs GPR:$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 = $Rd">;
let isMoveImm = 1 in
-def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm_hilo16:$imm),
- DPFrm, IIC_iMOVi,
- "movw", "\t$Rd, $imm",
- []>,
- RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
- UnaryDP {
- bits<4> Rd;
- bits<16> imm;
- let Inst{25} = 1;
- let Inst{20} = 0;
- let Inst{19-16} = imm{15-12};
- let Inst{15-12} = Rd;
- let Inst{11-0} = imm{11-0};
-}
+def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
+ Size4Bytes, IIC_iMOVi,
+ []>,
+ RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
let isMoveImm = 1 in
-def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
- (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
- "mov", "\t$Rd, $imm",
+def MOVCCi : ARMPseudoInst<(outs GPR:$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 = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<12> imm;
- let Inst{25} = 1;
- let Inst{20} = 0;
- let Inst{19-16} = 0b0000;
- let Inst{15-12} = Rd;
- let Inst{11-0} = imm;
-}
+ RegConstraint<"$false = $Rd">;
// Two instruction predicate mov immediate.
let isMoveImm = 1 in
-def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
- (ins GPR:$false, i32imm:$src, pred:$p),
- IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
+def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, i32imm:$src, pred:$p),
+ Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
let isMoveImm = 1 in
-def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
- (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
- "mvn", "\t$Rd, $imm",
+def MVNCCi : ARMPseudoInst<(outs GPR:$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:$opt), MiscFrm, NoItinerary,
}
let mayLoad = 1 in {
-def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
- "ldrexb", "\t$Rt, [$Rn]",
- []>;
-def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
- "ldrexh", "\t$Rt, [$Rn]",
- []>;
-def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
- "ldrex", "\t$Rt, [$Rn]",
- []>;
-def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
- NoItinerary,
- "ldrexd", "\t$Rt, $Rt2, [$Rn]",
- []>;
+def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
+ "ldrexb", "\t$Rt, $addr", []>;
+def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
+ "ldrexh", "\t$Rt, $addr", []>;
+def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
+ "ldrex", "\t$Rt, $addr", []>;
+def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
+ NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
}
let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
-def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
- NoItinerary,
- "strexb", "\t$Rd, $src, [$Rn]",
- []>;
-def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
- NoItinerary,
- "strexh", "\t$Rd, $Rt, [$Rn]",
- []>;
-def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
- NoItinerary,
- "strex", "\t$Rd, $Rt, [$Rn]",
- []>;
+def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
+ NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
+def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
+ NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
+def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
+ NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
def STREXD : AIstrex<0b01, (outs GPR:$Rd),
- (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
- NoItinerary,
- "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
- []>;
+ (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
+ NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
}
// Clear-Exclusive is for disassembly only.
}
//===----------------------------------------------------------------------===//
-// TLS Instructions
+// Coprocessor Instructions.
//
-// __aeabi_read_tp preserves the registers r1-r3.
-// 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], Uses = [SP] in {
- def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
- [(set R0, ARMthread_pointer)]>;
-}
-
-//===----------------------------------------------------------------------===//
-// SJLJ Exception handling intrinsics
-// eh_sjlj_setjmp() is an instruction sequence to store the return
-// address and save #0 in R0 for the non-longjmp case.
-// Since by its nature we may be coming from some other function to get
-// here, and we're using the stack frame for the containing function to
-// save/restore registers, we can't keep anything live in regs across
-// the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
-// when we get here from a longjmp(). We force everthing out of registers
-// except for our own input by listing the relevant registers in Defs. By
-// doing so, we also cause the prologue/epilogue code to actively preserve
-// all of the callee-saved resgisters, which is exactly what we want.
-// A constant value is passed in $val, and we use the location as a scratch.
-//
-// These are pseudo-instructions and are lowered to individual MC-insts, so
-// no encoding information is necessary.
-let Defs =
- [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
- D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
- D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
- D31 ], hasSideEffects = 1, isBarrier = 1 in {
- def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
- NoItinerary,
- [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
- Requires<[IsARM, HasVFP2]>;
-}
+def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<4> opc1;
+ bits<4> CRn;
+ bits<4> CRd;
+ bits<4> cop;
+ bits<3> opc2;
+ bits<4> CRm;
-let Defs =
- [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
- hasSideEffects = 1, isBarrier = 1 in {
- def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
- NoItinerary,
- [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
- Requires<[IsARM, NoVFP]>;
-}
-
-// FIXME: Non-Darwin version(s)
-let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
- Defs = [ R7, LR, SP ] in {
-def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
- NoItinerary,
- [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
- Requires<[IsARM, IsDarwin]>;
-}
-
-// eh.sjlj.dispatchsetup pseudo-instruction.
-// This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
-// handled when the pseudo is expanded (which happens before any passes
-// that need the instruction size).
-let isBarrier = 1, hasSideEffects = 1 in
-def Int_eh_sjlj_dispatchsetup :
- PseudoInst<(outs), (ins GPR:$src), NoItinerary,
- [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
- Requires<[IsDarwin]>;
-
-//===----------------------------------------------------------------------===//
-// Non-Instruction Patterns
-//
-
-// Large immediate handling.
-
-// 32-bit immediate using two piece so_imms or movw + movt.
-// This is a single pseudo instruction, the benefit is that it can be remat'd
-// as a single unit instead of having to handle reg inputs.
-// FIXME: Remove this when we can do generalized remat.
-let isReMaterializable = 1, isMoveImm = 1 in
-def MOVi32imm : PseudoInst<(outs GPR:$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 :$dst)>,
- Requires<[IsARM, DontUseMovt]>;
-def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
-def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
- Requires<[IsARM, UseMovt]>;
-def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
- (LEApcrelJT tjumptable:$dst, imm:$id)>;
-
-// TODO: add,sub,and, 3-instr forms?
-
-// Tail calls
-def : ARMPat<(ARMtcret tcGPR:$dst),
- (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
-
-def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
- (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
-
-def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
- (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
-
-def : ARMPat<(ARMtcret tcGPR:$dst),
- (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
-
-def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
- (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
-
-def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
- (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
-
-// Direct calls
-def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
- Requires<[IsARM, IsNotDarwin]>;
-def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
- Requires<[IsARM, IsDarwin]>;
-
-// zextload i1 -> zextload i8
-def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
-def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
-
-// extload -> zextload
-def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
-def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
-def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
-def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
-
-def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
-
-def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
-def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
-
-// smul* and smla*
-def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
- (sra (shl GPR:$b, (i32 16)), (i32 16))),
- (SMULBB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
- (SMULBB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
- (sra GPR:$b, (i32 16))),
- (SMULBT GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
- (SMULBT GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
- (sra (shl GPR:$b, (i32 16)), (i32 16))),
- (SMULTB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
- (SMULTB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
- (i32 16)),
- (SMULWB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
- (SMULWB GPR:$a, GPR:$b)>;
-
-def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
- (sra (shl GPR:$b, (i32 16)), (i32 16)))),
- (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
-def : ARMV5TEPat<(add GPR:$acc,
- (mul sext_16_node:$a, sext_16_node:$b)),
- (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
-def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
- (sra GPR:$b, (i32 16)))),
- (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
-def : ARMV5TEPat<(add GPR:$acc,
- (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
- (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
-def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra GPR:$a, (i32 16)),
- (sra (shl GPR:$b, (i32 16)), (i32 16)))),
- (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
-def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
- (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
-def : ARMV5TEPat<(add GPR:$acc,
- (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
- (i32 16))),
- (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
-def : ARMV5TEPat<(add GPR:$acc,
- (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
- (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
-
-//===----------------------------------------------------------------------===//
-// Thumb Support
-//
-
-include "ARMInstrThumb.td"
-
-//===----------------------------------------------------------------------===//
-// Thumb2 Support
-//
-
-include "ARMInstrThumb2.td"
-
-//===----------------------------------------------------------------------===//
-// Floating Point Support
-//
-
-include "ARMInstrVFP.td"
-
-//===----------------------------------------------------------------------===//
-// Advanced SIMD (NEON) Support
-//
-
-include "ARMInstrNEON.td"
-
-//===----------------------------------------------------------------------===//
-// Coprocessor Instructions. For disassembly only.
-//
-
-def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
- c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
- NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- bits<4> opc1;
- bits<4> CRn;
- bits<4> CRd;
- bits<4> cop;
- bits<3> opc2;
- bits<4> CRm;
-
- let Inst{3-0} = CRm;
- let Inst{4} = 0;
- let Inst{7-5} = opc2;
- let Inst{11-8} = cop;
- let Inst{15-12} = CRd;
- let Inst{19-16} = CRn;
- let Inst{23-20} = opc1;
+ let Inst{3-0} = CRm;
+ let Inst{4} = 0;
+ let Inst{7-5} = opc2;
+ let Inst{11-8} = cop;
+ let Inst{15-12} = CRd;
+ let Inst{19-16} = CRn;
+ let Inst{23-20} = opc1;
}
def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
let Inst{23-20} = opc1;
}
-class ACI<dag oops, dag iops, string opc, string asm>
- : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
- opc, asm, "", [/* For disassembly only; pattern left blank */]> {
+class ACI<dag oops, dag iops, string opc, string asm,
+ IndexMode im = IndexModeNone>
+ : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
+ opc, asm, "", [/* For disassembly only; pattern left blank */]> {
let Inst{27-25} = 0b110;
}
-multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
+multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
def _OFFSET : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- opc, "\tp$cop, cr$CRd, $addr"> {
+ !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
+ !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 0; // W = 0
}
def _PRE : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- opc, "\tp$cop, cr$CRd, $addr!"> {
+ !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
+ !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 1; // W = 1
}
def _POST : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
- opc, "\tp$cop, cr$CRd, [$base], $offset"> {
+ !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
+ !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{21} = 1; // W = 1
}
def _OPTION : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
- opc, "\tp$cop, cr$CRd, [$base], $option"> {
+ !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
+ ops),
+ !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{23} = 1; // U = 1
}
def L_OFFSET : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
+ !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
+ !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 0; // W = 0
}
def L_PRE : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
+ !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
+ !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
+ IndexModePre> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 1; // W = 1
}
def L_POST : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
+ !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
+ !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
+ IndexModePost> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{21} = 1; // W = 1
}
def L_OPTION : ACI<(outs),
- (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
- !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
+ !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
+ ops),
+ !strconcat(!strconcat(opc, "l"), cond),
+ "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{23} = 1; // U = 1
}
}
-defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
-defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
-defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
-defm STC2 : LdStCop<0b1111, 0, "stc2">;
+defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
+defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
+defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
+defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
//===----------------------------------------------------------------------===//
// Move between coprocessor and ARM core register -- for disassembly only
//
-class MovRCopro<string opc, bit direction>
- : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
- GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
- NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
+class MovRCopro<string opc, bit direction, dag oops, dag iops>
+ : ABI<0b1110, oops, iops, NoItinerary, opc,
+ "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
let Inst{20} = direction;
let Inst{4} = 1;
let Inst{19-16} = CRn;
}
-def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
-def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
+def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
+ (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
+ i32imm:$opc2)>;
+def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
+ (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRn, c_imm:$CRm, i32imm:$opc2)>;
-class MovRCopro2<string opc, bit direction>
- : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
- GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
- NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
+class MovRCopro2<string opc, bit direction, dag oops, dag iops>
+ : ABXI<0b1110, oops, iops, NoItinerary,
+ !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{20} = direction;
let Inst{19-16} = CRn;
}
-def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
-def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
+def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
+ (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
+ i32imm:$opc2)>;
+def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
+ (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRn, c_imm:$CRm,
+ i32imm:$opc2)>;
class MovRRCopro<string opc, bit direction>
: ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
// Move between special register and ARM core register -- for disassembly only
//
+// Move to ARM core register from Special Register
def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
[/* For disassembly only; pattern left blank */]> {
bits<4> Rd;
let Inst{7-4} = 0b0000;
}
-def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
- "msr", "\tcpsr$mask, $src",
+// Move from ARM core register to Special Register
+//
+// No need to have both system and application versions, the encodings are the
+// same and the assembly parser has no way to distinguish between them. The mask
+// operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
+// the mask with the fields to be accessed in the special register.
+def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
+ "msr", "\t$mask, $Rn",
[/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0010;
- let Inst{7-4} = 0b0000;
+ bits<5> mask;
+ bits<4> Rn;
+
+ let Inst{23} = 0;
+ let Inst{22} = mask{4}; // R bit
+ let Inst{21-20} = 0b10;
+ let Inst{19-16} = mask{3-0};
+ let Inst{15-12} = 0b1111;
+ let Inst{11-4} = 0b00000000;
+ let Inst{3-0} = Rn;
}
-def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
- "msr", "\tcpsr$mask, $a",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0010;
- let Inst{7-4} = 0b0000;
+def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
+ "msr", "\t$mask, $a",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<5> mask;
+ bits<12> a;
+
+ let Inst{23} = 0;
+ let Inst{22} = mask{4}; // R bit
+ let Inst{21-20} = 0b10;
+ let Inst{19-16} = mask{3-0};
+ let Inst{15-12} = 0b1111;
+ let Inst{11-0} = a;
}
-def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
- "msr", "\tspsr$mask, $src",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0110;
- let Inst{7-4} = 0b0000;
+//===----------------------------------------------------------------------===//
+// TLS Instructions
+//
+
+// __aeabi_read_tp preserves the registers r1-r3.
+// This is a pseudo inst so that we can get the encoding right,
+// complete with fixup for the aeabi_read_tp function.
+let isCall = 1,
+ Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
+ def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
+ [(set R0, ARMthread_pointer)]>;
}
-def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$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;
+//===----------------------------------------------------------------------===//
+// SJLJ Exception handling intrinsics
+// eh_sjlj_setjmp() is an instruction sequence to store the return
+// address and save #0 in R0 for the non-longjmp case.
+// Since by its nature we may be coming from some other function to get
+// here, and we're using the stack frame for the containing function to
+// save/restore registers, we can't keep anything live in regs across
+// the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
+// when we get here from a longjmp(). We force everything out of registers
+// except for our own input by listing the relevant registers in Defs. By
+// doing so, we also cause the prologue/epilogue code to actively preserve
+// all of the callee-saved resgisters, which is exactly what we want.
+// A constant value is passed in $val, and we use the location as a scratch.
+//
+// These are pseudo-instructions and are lowered to individual MC-insts, so
+// no encoding information is necessary.
+let Defs =
+ [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
+ D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
+ D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
+ D31 ], hasSideEffects = 1, isBarrier = 1 in {
+ def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
+ NoItinerary,
+ [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
+ Requires<[IsARM, HasVFP2]>;
+}
+
+let Defs =
+ [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
+ hasSideEffects = 1, isBarrier = 1 in {
+ def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
+ NoItinerary,
+ [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
+ Requires<[IsARM, NoVFP]>;
+}
+
+// FIXME: Non-Darwin version(s)
+let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
+ Defs = [ R7, LR, SP ] in {
+def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
+ NoItinerary,
+ [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
+ Requires<[IsARM, IsDarwin]>;
}
+
+// eh.sjlj.dispatchsetup pseudo-instruction.
+// This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
+// handled when the pseudo is expanded (which happens before any passes
+// that need the instruction size).
+let isBarrier = 1, hasSideEffects = 1 in
+def Int_eh_sjlj_dispatchsetup :
+ PseudoInst<(outs), (ins), NoItinerary,
+ [(ARMeh_sjlj_dispatchsetup)]>,
+ Requires<[IsDarwin]>;
+
+//===----------------------------------------------------------------------===//
+// Non-Instruction Patterns
+//
+
+// Large immediate handling.
+
+// 32-bit immediate using two piece so_imms or movw + movt.
+// This is a single pseudo instruction, the benefit is that it can be remat'd
+// as a single unit instead of having to handle reg inputs.
+// FIXME: Remove this when we can do generalized remat.
+let isReMaterializable = 1, isMoveImm = 1 in
+def MOVi32imm : PseudoInst<(outs GPR:$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 :$dst)>,
+ Requires<[IsARM, DontUseMovt]>;
+def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
+def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
+ Requires<[IsARM, UseMovt]>;
+def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
+ (LEApcrelJT tjumptable:$dst, imm:$id)>;
+
+// TODO: add,sub,and, 3-instr forms?
+
+// Tail calls
+def : ARMPat<(ARMtcret tcGPR:$dst),
+ (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
+ (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
+ (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
+
+def : ARMPat<(ARMtcret tcGPR:$dst),
+ (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
+ (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
+
+def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
+ (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
+
+// Direct calls
+def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
+ Requires<[IsARM, IsNotDarwin]>;
+def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
+ Requires<[IsARM, IsDarwin]>;
+
+// zextload i1 -> zextload i8
+def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
+def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
+
+// extload -> zextload
+def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
+def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
+def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
+def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
+
+def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
+
+def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
+def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
+
+// smul* and smla*
+def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16))),
+ (SMULBB GPR:$a, GPR:$b)>;
+def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
+ (SMULBB GPR:$a, GPR:$b)>;
+def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra GPR:$b, (i32 16))),
+ (SMULBT GPR:$a, GPR:$b)>;
+def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
+ (SMULBT GPR:$a, GPR:$b)>;
+def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16))),
+ (SMULTB GPR:$a, GPR:$b)>;
+def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
+ (SMULTB GPR:$a, GPR:$b)>;
+def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
+ (i32 16)),
+ (SMULWB GPR:$a, GPR:$b)>;
+def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
+ (SMULWB GPR:$a, GPR:$b)>;
+
+def : ARMV5TEPat<(add GPR:$acc,
+ (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16)))),
+ (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
+def : ARMV5TEPat<(add GPR:$acc,
+ (mul sext_16_node:$a, sext_16_node:$b)),
+ (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
+def : ARMV5TEPat<(add GPR:$acc,
+ (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra GPR:$b, (i32 16)))),
+ (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
+def : ARMV5TEPat<(add GPR:$acc,
+ (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
+ (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
+def : ARMV5TEPat<(add GPR:$acc,
+ (mul (sra GPR:$a, (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16)))),
+ (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
+def : ARMV5TEPat<(add GPR:$acc,
+ (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
+ (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
+def : ARMV5TEPat<(add GPR:$acc,
+ (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
+ (i32 16))),
+ (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
+def : ARMV5TEPat<(add GPR:$acc,
+ (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 "ARMInstrThumb.td"
+
+//===----------------------------------------------------------------------===//
+// Thumb2 Support
+//
+
+include "ARMInstrThumb2.td"
+
+//===----------------------------------------------------------------------===//
+// Floating Point Support
+//
+
+include "ARMInstrVFP.td"
+
+//===----------------------------------------------------------------------===//
+// Advanced SIMD (NEON) Support
+//
+
+include "ARMInstrNEON.td"
+
projects / oota-llvm.git / blobdiff