def t2_so_reg : Operand<i32>, // reg imm
ComplexPattern<i32, 2, "SelectT2ShifterOperandReg",
[shl,srl,sra,rotr]> {
+ let EncoderMethod = "getT2SORegOpValue";
let PrintMethod = "printT2SOOperand";
let MIOperandInfo = (ops rGPR, i32imm);
}
// represented in the imm field in the same 12-bit form that they are encoded
// into t2_so_imm instructions: the 8-bit immediate is the least significant
// bits [bits 0-7], the 4-bit shift/splat amount is the next 4 bits [bits 8-11].
-def t2_so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_t2_so_imm(N); }]>;
+def t2_so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_t2_so_imm(N); }]> {
+ let EncoderMethod = "getT2SOImmOpValue";
+}
// t2_so_imm_not - Match an immediate that is a complement
// of a t2_so_imm.
// t2_so_imm_neg - Match an immediate that is a negation of a t2_so_imm.
def t2_so_imm_neg : Operand<i32>,
PatLeaf<(imm), [{
- return ARM_AM::getT2SOImmVal(-((int)N->getZExtValue())) != -1;
+ return ARM_AM::getT2SOImmVal(-((uint32_t)N->getZExtValue())) != -1;
}], t2_so_imm_neg_XFORM>;
// Break t2_so_imm's up into two pieces. This handles immediates with up to 16
// Multiclass helpers...
//
+
+class T2OneRegImm<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<12> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{26} = imm{11};
+ let Inst{14-12} = imm{10-8};
+ let Inst{7-0} = imm{7-0};
+}
+
+
+class T2sOneRegImm<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2sI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{26} = imm{11};
+ let Inst{14-12} = imm{10-8};
+ let Inst{7-0} = imm{7-0};
+}
+
+class T2OneRegCmpImm<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rn;
+ bits<12> imm;
+
+ let Inst{19-16} = Rn{3-0};
+ let Inst{26} = imm{11};
+ let Inst{14-12} = imm{10-8};
+ let Inst{7-0} = imm{7-0};
+}
+
+
+class T2OneRegShiftedReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<12> ShiftedRm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{3-0} = ShiftedRm{3-0};
+ let Inst{5-4} = ShiftedRm{6-5};
+ let Inst{14-12} = ShiftedRm{11-9};
+ let Inst{7-6} = ShiftedRm{8-7};
+}
+
+class T2sOneRegShiftedReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<12> ShiftedRm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{3-0} = ShiftedRm{3-0};
+ let Inst{5-4} = ShiftedRm{6-5};
+ let Inst{14-12} = ShiftedRm{11-9};
+ let Inst{7-6} = ShiftedRm{8-7};
+}
+
+class T2OneRegCmpShiftedReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rn;
+ bits<12> ShiftedRm;
+
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = ShiftedRm{3-0};
+ let Inst{5-4} = ShiftedRm{6-5};
+ let Inst{14-12} = ShiftedRm{11-9};
+ let Inst{7-6} = ShiftedRm{8-7};
+}
+
+class T2TwoReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{3-0} = Rm{3-0};
+}
+
+class T2sTwoReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2sI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{3-0} = Rm{3-0};
+}
+
+class T2TwoRegCmp<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rn;
+ bits<4> Rm;
+
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = Rm{3-0};
+}
+
+
+class T2TwoRegImm<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{3-0} = Rm{3-0};
+}
+
+class T2sTwoRegImm<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2sI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{26} = imm{11};
+ let Inst{14-12} = imm{10-8};
+ let Inst{7-0} = imm{7-0};
+}
+
+class T2TwoRegShiftImm<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<5> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{3-0} = Rm{3-0};
+ let Inst{14-12} = imm{4-2};
+ let Inst{7-6} = imm{1-0};
+}
+
+class T2sTwoRegShiftImm<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2sI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<5> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{3-0} = Rm{3-0};
+ let Inst{14-12} = imm{4-2};
+ let Inst{7-6} = imm{1-0};
+}
+
+class T2ThreeReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = Rm{3-0};
+}
+
+class T2sThreeReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2sI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = Rm{3-0};
+}
+
+class T2TwoRegShiftedReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> ShiftedRm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = ShiftedRm{3-0};
+ let Inst{5-4} = ShiftedRm{6-5};
+ let Inst{14-12} = ShiftedRm{11-9};
+ let Inst{7-6} = ShiftedRm{8-7};
+}
+
+class T2sTwoRegShiftedReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2sI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> ShiftedRm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = ShiftedRm{3-0};
+ let Inst{5-4} = ShiftedRm{6-5};
+ let Inst{14-12} = ShiftedRm{11-9};
+ let Inst{7-6} = ShiftedRm{8-7};
+}
+
+class T2FourReg<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ bits<4> Ra;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = Rm{3-0};
+ let Inst{15-12} = Ra{3-0};
+}
+
+
/// T2I_un_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a
/// unary operation that produces a value. These are predicable and can be
/// changed to modify CPSR.
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
PatFrag opnode, bit Cheap = 0, bit ReMat = 0> {
// shifted imm
- def i : T2sI<(outs rGPR:$dst), (ins t2_so_imm:$src), iii,
- opc, "\t$dst, $src",
- [(set rGPR:$dst, (opnode t2_so_imm:$src))]> {
+ def i : T2sOneRegImm<(outs rGPR:$Rd), (ins t2_so_imm:$imm), iii,
+ opc, "\t$Rd, $imm",
+ [(set rGPR:$Rd, (opnode t2_so_imm:$imm))]> {
let isAsCheapAsAMove = Cheap;
let isReMaterializable = ReMat;
let Inst{31-27} = 0b11110;
let Inst{15} = 0;
}
// register
- def r : T2sI<(outs rGPR:$dst), (ins rGPR:$src), iir,
- opc, ".w\t$dst, $src",
- [(set rGPR:$dst, (opnode rGPR:$src))]> {
+ def r : T2sTwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm), iir,
+ opc, ".w\t$Rd, $Rm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def s : T2sI<(outs rGPR:$dst), (ins t2_so_reg:$src), iis,
- opc, ".w\t$dst, $src",
- [(set rGPR:$dst, (opnode t2_so_reg:$src))]> {
+ def s : T2sOneRegShiftedReg<(outs rGPR:$Rd), (ins t2_so_reg:$ShiftedRm), iis,
+ opc, ".w\t$Rd, $ShiftedRm",
+ [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
PatFrag opnode, bit Commutable = 0, string wide = ""> {
// shifted imm
- def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_imm:$rhs), iii,
- opc, "\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_imm:$rhs))]> {
+ def ri : T2sTwoRegImm<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), iii,
+ opc, "\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
let Inst{15} = 0;
}
// register
- def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), iir,
- opc, !strconcat(wide, "\t$dst, $lhs, $rhs"),
- [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]> {
+ def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), iir,
+ opc, !strconcat(wide, "\t$Rd, $Rn, $Rm"),
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_reg:$rhs), iis,
- opc, !strconcat(wide, "\t$dst, $lhs, $rhs"),
- [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_reg:$rhs))]> {
+ def rs : T2sTwoRegShiftedReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm), iis,
+ opc, !strconcat(wide, "\t$Rd, $Rn, $ShiftedRm"),
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
/// it is equivalent to the T2I_bin_irs counterpart.
multiclass T2I_rbin_irs<bits<4> opcod, string opc, PatFrag opnode> {
// shifted imm
- def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_imm:$lhs), IIC_iALUi,
- opc, ".w\t$dst, $rhs, $lhs",
- [(set rGPR:$dst, (opnode t2_so_imm:$lhs, rGPR:$rhs))]> {
+ def ri : T2sTwoRegImm<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi,
+ opc, ".w\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode t2_so_imm:$imm, rGPR:$Rn))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
let Inst{15} = 0;
}
// register
- def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$rhs, rGPR:$lhs), IIC_iALUr,
- opc, "\t$dst, $rhs, $lhs",
+ def rr : T2sThreeReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr,
+ opc, "\t$Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_reg:$lhs), IIC_iALUsir,
- opc, "\t$dst, $rhs, $lhs",
- [(set rGPR:$dst, (opnode t2_so_reg:$lhs, rGPR:$rhs))]> {
+ def rs : T2sTwoRegShiftedReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
+ IIC_iALUsir, opc, "\t$Rd, $Rn, $ShiftedRm",
+ [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
PatFrag opnode, bit Commutable = 0> {
// shifted imm
- def ri : T2I<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), iii,
- !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> {
+ def ri : T2TwoRegImm<
+ (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_imm:$imm), iii,
+ !strconcat(opc, "s"), ".w\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
let Inst{15} = 0;
}
// register
- def rr : T2I<(outs rGPR:$dst), (ins GPR:$lhs, rGPR:$rhs), iir,
- !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode GPR:$lhs, rGPR:$rhs))]> {
+ def rr : T2ThreeReg<
+ (outs rGPR:$Rd), (ins GPR:$Rn, rGPR:$Rm), iir,
+ !strconcat(opc, "s"), ".w\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode GPR:$Rn, rGPR:$Rm))]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def rs : T2I<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), iis,
- !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> {
+ def rs : T2TwoRegShiftedReg<
+ (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_reg:$ShiftedRm), iis,
+ !strconcat(opc, "s"), ".w\t$Rd, $Rn, $ShiftedRm",
+ [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_reg:$ShiftedRm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
// The register-immediate version is re-materializable. This is useful
// in particular for taking the address of a local.
let isReMaterializable = 1 in {
- def ri : T2sI<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> {
+ def ri : T2sTwoRegImm<
+ (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_imm:$imm), IIC_iALUi,
+ opc, ".w\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24} = 1;
}
}
// 12-bit imm
- def ri12 : T2I<(outs rGPR:$dst), (ins GPR:$lhs, imm0_4095:$rhs), IIC_iALUi,
- !strconcat(opc, "w"), "\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode GPR:$lhs, imm0_4095:$rhs))]> {
+ def ri12 : T2TwoRegImm<
+ (outs rGPR:$Rd), (ins GPR:$Rn, imm0_4095:$imm), IIC_iALUi,
+ !strconcat(opc, "w"), "\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode GPR:$Rn, imm0_4095:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24} = 0;
let Inst{15} = 0;
}
// register
- def rr : T2sI<(outs rGPR:$dst), (ins GPR:$lhs, rGPR:$rhs), IIC_iALUr,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode GPR:$lhs, rGPR:$rhs))]> {
+ def rr : T2sThreeReg<(outs rGPR:$Rd), (ins GPR:$Rn, rGPR:$Rm), IIC_iALUr,
+ opc, ".w\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode GPR:$Rn, rGPR:$Rm))]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def rs : T2sI<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> {
+ def rs : T2sTwoRegShiftedReg<
+ (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_reg:$ShiftedRm),
+ IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm",
+ [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_reg:$ShiftedRm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24} = 1;
multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
// shifted imm
- def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
- opc, "\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_imm:$rhs))]>,
+ def ri : T2sTwoRegImm<(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm),
+ IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]>,
Requires<[IsThumb2]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{15} = 0;
}
// register
- def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), IIC_iALUr,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]>,
+ def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr,
+ opc, ".w\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>,
Requires<[IsThumb2]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_reg:$rhs))]>,
+ def rs : T2sTwoRegShiftedReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
+ IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]>,
Requires<[IsThumb2]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
// shifted imm
- def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
- opc, "\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_imm:$rhs))]>,
+ def ri : T2sTwoRegImm<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi,
+ opc, "\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]>,
Requires<[IsThumb2]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{15} = 0;
}
// register
- def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), IIC_iALUr,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]>,
+ def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr,
+ opc, ".w\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>,
Requires<[IsThumb2]> {
let isCommutable = Commutable;
let Inst{31-27} = 0b11101;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_reg:$rhs))]>,
+ def rs : T2sTwoRegShiftedReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
+ IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]>,
Requires<[IsThumb2]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Defs = [CPSR] in {
multiclass T2I_rbin_s_is<bits<4> opcod, string opc, PatFrag opnode> {
// shifted imm
- def ri : T2I<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_imm:$lhs), IIC_iALUi,
- !strconcat(opc, "s"), ".w\t$dst, $rhs, $lhs",
- [(set rGPR:$dst, (opnode t2_so_imm:$lhs, rGPR:$rhs))]> {
+ def ri : T2TwoRegImm<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi,
+ !strconcat(opc, "s"), ".w\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (opnode t2_so_imm:$imm, rGPR:$Rn))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
let Inst{15} = 0;
}
// shifted register
- def rs : T2I<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_reg:$lhs), IIC_iALUsi,
- !strconcat(opc, "s"), "\t$dst, $rhs, $lhs",
- [(set rGPR:$dst, (opnode t2_so_reg:$lhs, rGPR:$rhs))]> {
+ def rs : T2TwoRegShiftedReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
+ IIC_iALUsi, !strconcat(opc, "s"), "\t$Rd, $Rn, $ShiftedRm",
+ [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
// rotate operation that produces a value.
multiclass T2I_sh_ir<bits<2> opcod, string opc, PatFrag opnode> {
// 5-bit imm
- def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, imm1_31:$rhs))]> {
+ def ri : T2sTwoRegShiftImm<
+ (outs rGPR:$Rd), (ins rGPR:$Rm, i32imm:$imm), IIC_iMOVsi,
+ opc, ".w\t$Rd, $Rm, $imm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rm, imm1_31:$imm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-21} = 0b010010;
let Inst{19-16} = 0b1111; // Rn
let Inst{5-4} = opcod;
}
// register
- def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), IIC_iMOVsr,
- opc, ".w\t$dst, $lhs, $rhs",
- [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]> {
+ def rr : T2sThreeReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMOVsr,
+ opc, ".w\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-21} = opcod;
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
PatFrag opnode> {
// shifted imm
- def ri : T2I<(outs), (ins GPR:$lhs, t2_so_imm:$rhs), iii,
- opc, ".w\t$lhs, $rhs",
- [(opnode GPR:$lhs, t2_so_imm:$rhs)]> {
+ def ri : T2OneRegCmpImm<
+ (outs), (ins GPR:$Rn, t2_so_imm:$imm), iii,
+ opc, ".w\t$Rn, $imm",
+ [(opnode GPR:$Rn, t2_so_imm:$imm)]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
let Inst{11-8} = 0b1111; // Rd
}
// register
- def rr : T2I<(outs), (ins GPR:$lhs, rGPR:$rhs), iir,
+ def rr : T2TwoRegCmp<
+ (outs), (ins GPR:$lhs, rGPR:$rhs), iir,
opc, ".w\t$lhs, $rhs",
[(opnode GPR:$lhs, rGPR:$rhs)]> {
let Inst{31-27} = 0b11101;
let Inst{5-4} = 0b00; // type
}
// shifted register
- def rs : T2I<(outs), (ins GPR:$lhs, t2_so_reg:$rhs), iis,
- opc, ".w\t$lhs, $rhs",
- [(opnode GPR:$lhs, t2_so_reg:$rhs)]> {
+ def rs : T2OneRegCmpShiftedReg<
+ (outs), (ins GPR:$Rn, t2_so_reg:$ShiftedRm), iis,
+ opc, ".w\t$Rn, $ShiftedRm",
+ [(opnode GPR:$Rn, t2_so_reg:$ShiftedRm)]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
let Inst{20} = 1; // load
let Inst{11-6} = 0b000000;
}
+
+ // FIXME: Is the pci variant actually needed?
def pci : T2Ipc <(outs GPR:$dst), (ins i32imm:$addr), iii,
opc, ".w\t$dst, $addr",
[(set GPR:$dst, (opnode (ARMWrapper tconstpool:$addr)))]> {
/// T2I_ext_rrot - A unary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
multiclass T2I_ext_rrot<bits<3> opcod, string opc, PatFrag opnode> {
- def r : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iEXTr,
- opc, ".w\t$dst, $src",
- [(set rGPR:$dst, (opnode rGPR:$src))]> {
+ def r : T2TwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iEXTr,
+ opc, ".w\t$Rd, $Rm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rm))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{7} = 1;
let Inst{5-4} = 0b00; // rotate
}
- def r_rot : T2I<(outs rGPR:$dst), (ins rGPR:$src, i32imm:$rot), IIC_iEXTr,
- opc, ".w\t$dst, $src, ror $rot",
- [(set rGPR:$dst, (opnode (rotr rGPR:$src, rot_imm:$rot)))]> {
+ def r_rot : T2TwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm, i32imm:$rot), IIC_iEXTr,
+ opc, ".w\t$Rd, $Rm, ror $rot",
+ [(set rGPR:$Rd, (opnode (rotr rGPR:$Rm, rot_imm:$rot)))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{19-16} = 0b1111; // Rn
let Inst{15-12} = 0b1111;
let Inst{7} = 1;
- let Inst{5-4} = {?,?}; // rotate
+
+ bits<2> rot;
+ let Inst{5-4} = rot{1-0}; // rotate
}
}
// UXTB16 - Requres T2ExtractPack, does not need the .w qualifier.
multiclass T2I_ext_rrot_uxtb16<bits<3> opcod, string opc, PatFrag opnode> {
- def r : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iEXTr,
- opc, "\t$dst, $src",
- [(set rGPR:$dst, (opnode rGPR:$src))]>,
- Requires<[HasT2ExtractPack]> {
+ def r : T2TwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iEXTr,
+ opc, "\t$Rd, $Rm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rm))]>,
+ Requires<[HasT2ExtractPack, IsThumb2]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{7} = 1;
let Inst{5-4} = 0b00; // rotate
}
- def r_rot : T2I<(outs rGPR:$dst), (ins rGPR:$src, i32imm:$rot), IIC_iEXTr,
- opc, "\t$dst, $src, ror $rot",
- [(set rGPR:$dst, (opnode (rotr rGPR:$src, rot_imm:$rot)))]>,
- Requires<[HasT2ExtractPack]> {
+ def r_rot : T2TwoReg<(outs rGPR:$dst), (ins rGPR:$Rm, i32imm:$rot), IIC_iEXTr,
+ opc, "\t$dst, $Rm, ror $rot",
+ [(set rGPR:$dst, (opnode (rotr rGPR:$Rm, rot_imm:$rot)))]>,
+ Requires<[HasT2ExtractPack, IsThumb2]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{19-16} = 0b1111; // Rn
let Inst{15-12} = 0b1111;
let Inst{7} = 1;
- let Inst{5-4} = {?,?}; // rotate
+
+ bits<2> rot;
+ let Inst{5-4} = rot{1-0}; // rotate
}
}
// SXTB16 - Requres T2ExtractPack, does not need the .w qualifier, no pattern
// supported yet.
multiclass T2I_ext_rrot_sxtb16<bits<3> opcod, string opc> {
- def r : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iEXTr,
- opc, "\t$dst, $src", []> {
+ def r : T2TwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iEXTr,
+ opc, "\t$Rd, $Rm", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{7} = 1;
let Inst{5-4} = 0b00; // rotate
}
- def r_rot : T2I<(outs rGPR:$dst), (ins rGPR:$src, i32imm:$rot), IIC_iEXTr,
- opc, "\t$dst, $src, ror $rot", []> {
+ def r_rot : T2TwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm, i32imm:$rot), IIC_iEXTr,
+ opc, "\t$Rd, $Rm, ror $rot", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{19-16} = 0b1111; // Rn
let Inst{15-12} = 0b1111;
let Inst{7} = 1;
- let Inst{5-4} = {?,?}; // rotate
+
+ bits<2> rot;
+ let Inst{5-4} = rot{1-0}; // rotate
}
}
/// T2I_exta_rrot - A binary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
multiclass T2I_exta_rrot<bits<3> opcod, string opc, PatFrag opnode> {
- def rr : T2I<(outs rGPR:$dst), (ins rGPR:$LHS, rGPR:$RHS), IIC_iEXTAr,
- opc, "\t$dst, $LHS, $RHS",
- [(set rGPR:$dst, (opnode rGPR:$LHS, rGPR:$RHS))]>,
- Requires<[HasT2ExtractPack]> {
+ def rr : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iEXTAr,
+ opc, "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>,
+ Requires<[HasT2ExtractPack, IsThumb2]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{7} = 1;
let Inst{5-4} = 0b00; // rotate
}
- def rr_rot : T2I<(outs rGPR:$dst), (ins rGPR:$LHS, rGPR:$RHS, i32imm:$rot),
- IIC_iEXTAsr, opc, "\t$dst, $LHS, $RHS, ror $rot",
- [(set rGPR:$dst, (opnode rGPR:$LHS,
- (rotr rGPR:$RHS, rot_imm:$rot)))]>,
- Requires<[HasT2ExtractPack]> {
+ def rr_rot : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, i32imm:$rot),
+ IIC_iEXTAsr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
+ [(set rGPR:$Rd, (opnode rGPR:$Rn,
+ (rotr rGPR:$Rm, rot_imm:$rot)))]>,
+ Requires<[HasT2ExtractPack, IsThumb2]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{15-12} = 0b1111;
let Inst{7} = 1;
- let Inst{5-4} = {?,?}; // rotate
+
+ bits<2> rot;
+ let Inst{5-4} = rot{1-0}; // rotate
}
}
// DO variant - disassembly only, no pattern
multiclass T2I_exta_rrot_DO<bits<3> opcod, string opc> {
- def rr : T2I<(outs rGPR:$dst), (ins rGPR:$LHS, rGPR:$RHS), IIC_iEXTAr,
- opc, "\t$dst, $LHS, $RHS", []> {
+ def rr : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iEXTAr,
+ opc, "\t$Rd, $Rn, $Rm", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{7} = 1;
let Inst{5-4} = 0b00; // rotate
}
- def rr_rot : T2I<(outs rGPR:$dst), (ins rGPR:$LHS, rGPR:$RHS, i32imm:$rot),
- IIC_iEXTAsr, opc, "\t$dst, $LHS, $RHS, ror $rot", []> {
+ def rr_rot : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, i32imm:$rot),
+ IIC_iEXTAsr, opc, "\t$Rd, $Rn, $Rm, ror $rot", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
let Inst{22-20} = opcod;
let Inst{15-12} = 0b1111;
let Inst{7} = 1;
- let Inst{5-4} = {?,?}; // rotate
+
+ bits<2> rot;
+ let Inst{5-4} = rot{1-0}; // rotate
}
}
// Miscellaneous Instructions.
//
+class T2PCOneRegImm<dag oops, dag iops, InstrItinClass itin,
+ string asm, list<dag> pattern>
+ : T2XI<oops, iops, itin, asm, pattern> {
+ bits<4> Rd;
+ bits<12> label;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{26} = label{11};
+ let Inst{14-12} = label{10-8};
+ let Inst{7-0} = label{7-0};
+}
+
// LEApcrel - Load a pc-relative address into a register without offending the
// assembler.
let neverHasSideEffects = 1 in {
let isReMaterializable = 1 in
-def t2LEApcrel : T2XI<(outs rGPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi,
- "adr${p}.w\t$dst, #$label", []> {
+def t2LEApcrel : T2PCOneRegImm<(outs rGPR:$Rd), (ins i32imm:$label, pred:$p), IIC_iALUi,
+ "adr${p}.w\t$Rd, #$label", []> {
let Inst{31-27} = 0b11110;
let Inst{25-24} = 0b10;
// Inst{23:21} = '11' (add = FALSE) or '00' (add = TRUE)
let Inst{20} = 0;
let Inst{19-16} = 0b1111; // Rn
let Inst{15} = 0;
+
+
}
} // neverHasSideEffects
-def t2LEApcrelJT : T2XI<(outs rGPR:$dst),
+def t2LEApcrelJT : T2PCOneRegImm<(outs rGPR:$Rd),
(ins i32imm:$label, nohash_imm:$id, pred:$p), IIC_iALUi,
- "adr${p}.w\t$dst, #${label}_${id}", []> {
+ "adr${p}.w\t$Rd, #${label}_${id}", []> {
let Inst{31-27} = 0b11110;
let Inst{25-24} = 0b10;
// Inst{23:21} = '11' (add = FALSE) or '00' (add = TRUE)
}
// ADD r, sp, {so_imm|i12}
-def t2ADDrSPi : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_imm:$imm),
- IIC_iALUi, "add", ".w\t$dst, $sp, $imm", []> {
+def t2ADDrSPi : T2sTwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, t2_so_imm:$imm),
+ IIC_iALUi, "add", ".w\t$Rd, $sp, $imm", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = 0b1000;
let Inst{19-16} = 0b1101; // Rn = sp
let Inst{15} = 0;
}
-def t2ADDrSPi12 : T2I<(outs GPR:$dst), (ins GPR:$sp, imm0_4095:$imm),
- IIC_iALUi, "addw", "\t$dst, $sp, $imm", []> {
+def t2ADDrSPi12 : T2TwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, imm0_4095:$imm),
+ IIC_iALUi, "addw", "\t$Rd, $sp, $imm", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-21} = 0b0000;
}
// ADD r, sp, so_reg
-def t2ADDrSPs : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_reg:$rhs),
- IIC_iALUsi, "add", ".w\t$dst, $sp, $rhs", []> {
+def t2ADDrSPs : T2sTwoRegShiftedReg<
+ (outs GPR:$Rd), (ins GPR:$sp, t2_so_reg:$ShiftedRm),
+ IIC_iALUsi, "add", ".w\t$Rd, $sp, $ShiftedRm", []> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b1000;
}
// SUB r, sp, {so_imm|i12}
-def t2SUBrSPi : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_imm:$imm),
- IIC_iALUi, "sub", ".w\t$dst, $sp, $imm", []> {
+def t2SUBrSPi : T2sTwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, t2_so_imm:$imm),
+ IIC_iALUi, "sub", ".w\t$Rd, $sp, $imm", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = 0b1101;
let Inst{19-16} = 0b1101; // Rn = sp
let Inst{15} = 0;
}
-def t2SUBrSPi12 : T2I<(outs GPR:$dst), (ins GPR:$sp, imm0_4095:$imm),
- IIC_iALUi, "subw", "\t$dst, $sp, $imm", []> {
+def t2SUBrSPi12 : T2TwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, imm0_4095:$imm),
+ IIC_iALUi, "subw", "\t$Rd, $sp, $imm", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-21} = 0b0101;
}
// SUB r, sp, so_reg
-def t2SUBrSPs : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_reg:$rhs),
+def t2SUBrSPs : T2sTwoRegImm<(outs GPR:$Rd), (ins GPR:$sp, t2_so_reg:$imm),
IIC_iALUsi,
- "sub", "\t$dst, $sp, $rhs", []> {
+ "sub", "\t$Rd, $sp, $imm", []> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b1101;
}
// Signed and unsigned division on v7-M
-def t2SDIV : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iALUi,
- "sdiv", "\t$dst, $a, $b",
- [(set rGPR:$dst, (sdiv rGPR:$a, rGPR:$b))]>,
- Requires<[HasDivide]> {
+def t2SDIV : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUi,
+ "sdiv", "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (sdiv rGPR:$Rn, rGPR:$Rm))]>,
+ Requires<[HasDivide, IsThumb2]> {
let Inst{31-27} = 0b11111;
let Inst{26-21} = 0b011100;
let Inst{20} = 0b1;
let Inst{7-4} = 0b1111;
}
-def t2UDIV : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iALUi,
- "udiv", "\t$dst, $a, $b",
- [(set rGPR:$dst, (udiv rGPR:$a, rGPR:$b))]>,
- Requires<[HasDivide]> {
+def t2UDIV : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUi,
+ "udiv", "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (udiv rGPR:$Rn, rGPR:$Rm))]>,
+ Requires<[HasDivide, IsThumb2]> {
let Inst{31-27} = 0b11111;
let Inst{26-21} = 0b011101;
let Inst{20} = 0b1;
defm t2LDRSB : T2I_ld<1, 0b00, "ldrsb", IIC_iLoad_bh_i, IIC_iLoad_bh_si,
UnOpFrag<(sextloadi8 node:$Src)>>;
-let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
+ isCodeGenOnly = 1 in { // $dst doesn't exist in asmstring?
// Load doubleword
def t2LDRDi8 : T2Ii8s4<1, 0, 1, (outs rGPR:$dst1, rGPR:$dst2),
(ins t2addrmode_imm8s4:$addr),
BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>;
// Store doubleword
-let mayLoad = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
+ isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
def t2STRDi8 : T2Ii8s4<1, 0, 0, (outs),
(ins GPR:$src1, GPR:$src2, t2addrmode_imm8s4:$addr),
IIC_iStore_d_r, "strd", "\t$src1, $addr", []>;
// T2Ipl (Preload Data/Instruction) signals the memory system of possible future
// data/instruction access. These are for disassembly only.
-//
-// A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
-// The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
-multiclass T2Ipl<bit instr, bit write, string opc> {
+// instr_write is inverted for Thumb mode: (prefetch 3) -> (preload 0),
+// (prefetch 1) -> (preload 2), (prefetch 2) -> (preload 1).
+multiclass T2Ipl<bits<1> write, bits<1> instr, string opc> {
- def i12 : T2I<(outs), (ins GPR:$base, i32imm:$imm), IIC_iLoad_i, opc,
- "\t[$base, $imm]", []> {
+ def i12 : T2Ii12<(outs), (ins t2addrmode_imm12:$addr), IIC_Preload, opc,
+ "\t$addr",
+ [(ARMPreload t2addrmode_imm12:$addr, (i32 write), (i32 instr))]> {
let Inst{31-25} = 0b1111100;
let Inst{24} = instr;
let Inst{23} = 1; // U = 1
let Inst{15-12} = 0b1111;
}
- def i8 : T2I<(outs), (ins GPR:$base, neg_zero:$imm), IIC_iLoad_i, opc,
- "\t[$base, $imm]", []> {
+ def i8 : T2Ii8<(outs), (ins t2addrmode_imm8:$addr), IIC_Preload, opc,
+ "\t$addr",
+ [(ARMPreload t2addrmode_imm8:$addr, (i32 write), (i32 instr))]> {
let Inst{31-25} = 0b1111100;
let Inst{24} = instr;
let Inst{23} = 0; // U = 0
let Inst{11-8} = 0b1100;
}
- def pci : T2I<(outs), (ins GPR:$base, neg_zero:$imm), IIC_iLoad_i, opc,
- "\t[pc, $imm]", []> {
- let Inst{31-25} = 0b1111100;
- let Inst{24} = instr;
- let Inst{23} = ?; // add = (U == 1)
- let Inst{22} = 0;
- let Inst{21} = write;
- let Inst{20} = 1;
- let Inst{19-16} = 0b1111; // Rn = 0b1111
- let Inst{15-12} = 0b1111;
- }
-
- def r : T2I<(outs), (ins GPR:$base, GPR:$a), IIC_iLoad_i, opc,
- "\t[$base, $a]", []> {
+ def s : T2Iso<(outs), (ins t2addrmode_so_reg:$addr), IIC_Preload, opc,
+ "\t$addr",
+ [(ARMPreload t2addrmode_so_reg:$addr, (i32 write), (i32 instr))]> {
let Inst{31-25} = 0b1111100;
let Inst{24} = instr;
let Inst{23} = 0; // add = TRUE for T1
let Inst{20} = 1;
let Inst{15-12} = 0b1111;
let Inst{11-6} = 0000000;
- let Inst{5-4} = 0b00; // no shift is applied
}
- def s : T2I<(outs), (ins GPR:$base, GPR:$a, i32imm:$shamt), IIC_iLoad_i, opc,
- "\t[$base, $a, lsl $shamt]", []> {
+ let isCodeGenOnly = 1 in
+ def pci : T2Ipc<(outs), (ins i32imm:$addr), IIC_Preload, opc,
+ "\t$addr",
+ []> {
let Inst{31-25} = 0b1111100;
- let Inst{24} = instr;
- let Inst{23} = 0; // add = TRUE for T1
+ let Inst{24} = write;
+ let Inst{23} = ?; // add = (U == 1)
let Inst{22} = 0;
- let Inst{21} = write;
+ let Inst{21} = instr;
let Inst{20} = 1;
+ let Inst{19-16} = 0b1111; // Rn = 0b1111
let Inst{15-12} = 0b1111;
- let Inst{11-6} = 0000000;
}
}
-defm t2PLD : T2Ipl<0, 0, "pld">;
-defm t2PLDW : T2Ipl<0, 1, "pldw">;
-defm t2PLI : T2Ipl<1, 0, "pli">;
+defm t2PLD : T2Ipl<0, 0, "pld">, Requires<[IsThumb2]>;
+defm t2PLDW : T2Ipl<1, 0, "pldw">, Requires<[IsThumb2,HasV7,HasMP]>;
+defm t2PLI : T2Ipl<0, 1, "pli">, Requires<[IsThumb2,HasV7]>;
//===----------------------------------------------------------------------===//
// Load / store multiple Instructions.
//
-let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
- isCodeGenOnly = 1 in {
-def t2LDM : T2XI<(outs), (ins addrmode4:$addr, pred:$p,
- reglist:$dsts, variable_ops), IIC_iLoad_m,
- "ldm${addr:submode}${p}${addr:wide}\t$addr, $dsts", []> {
- let Inst{31-27} = 0b11101;
- let Inst{26-25} = 0b00;
- let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
- let Inst{22} = 0;
- let Inst{21} = 0; // The W bit.
- let Inst{20} = 1; // Load
-}
+multiclass thumb2_ldst_mult<string asm, InstrItinClass itin,
+ InstrItinClass itin_upd, bit L_bit> {
+ def IA :
+ T2XI<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ itin, !strconcat(asm, "ia${p}.w\t$Rn, $regs"), []> {
+ bits<4> Rn;
+ bits<16> regs;
+
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{22} = 0;
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ let Inst{19-16} = Rn;
+ let Inst{15-0} = regs;
+ }
+ def IA_UPD :
+ T2XIt<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ itin_upd, !strconcat(asm, "ia${p}.w\t$Rn!, $regs"), "$Rn = $wb", []> {
+ bits<4> Rn;
+ bits<16> regs;
+
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{22} = 0;
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ let Inst{19-16} = Rn;
+ let Inst{15-0} = regs;
+ }
+ def DB :
+ T2XI<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ itin, !strconcat(asm, "db${p}.w\t$Rn, $regs"), []> {
+ bits<4> Rn;
+ bits<16> regs;
-def t2LDM_UPD : T2XIt<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
- reglist:$dsts, variable_ops),
- IIC_iLoad_mu,
- "ldm${addr:submode}${p}${addr:wide}\t$addr!, $dsts",
- "$addr.addr = $wb", []> {
- let Inst{31-27} = 0b11101;
- let Inst{26-25} = 0b00;
- let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
- let Inst{22} = 0;
- let Inst{21} = 1; // The W bit.
- let Inst{20} = 1; // Load
-}
-} // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24-23} = 0b10; // Decrement Before
+ let Inst{22} = 0;
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ let Inst{19-16} = Rn;
+ let Inst{15-0} = regs;
+ }
+ def DB_UPD :
+ T2XIt<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ itin_upd, !strconcat(asm, "db${p}.w\t$Rn, $regs"), "$Rn = $wb", []> {
+ bits<4> Rn;
+ bits<16> regs;
-let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
- isCodeGenOnly = 1 in {
-def t2STM : T2XI<(outs), (ins addrmode4:$addr, pred:$p,
- reglist:$srcs, variable_ops), IIC_iStore_m,
- "stm${addr:submode}${p}${addr:wide}\t$addr, $srcs", []> {
- let Inst{31-27} = 0b11101;
- let Inst{26-25} = 0b00;
- let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
- let Inst{22} = 0;
- let Inst{21} = 0; // The W bit.
- let Inst{20} = 0; // Store
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24-23} = 0b10; // Decrement Before
+ let Inst{22} = 0;
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ let Inst{19-16} = Rn;
+ let Inst{15-0} = regs;
+ }
}
-def t2STM_UPD : T2XIt<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
- reglist:$srcs, variable_ops),
- IIC_iStore_m,
- "stm${addr:submode}${p}${addr:wide}\t$addr!, $srcs",
- "$addr.addr = $wb", []> {
- let Inst{31-27} = 0b11101;
- let Inst{26-25} = 0b00;
- let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
- let Inst{22} = 0;
- let Inst{21} = 1; // The W bit.
- let Inst{20} = 0; // Store
-}
-} // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
+let neverHasSideEffects = 1 in {
+
+let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
+defm t2LDM : thumb2_ldst_mult<"ldm", IIC_iLoad_m, IIC_iLoad_mu, 1>;
+
+let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
+defm t2STM : thumb2_ldst_mult<"stm", IIC_iStore_m, IIC_iStore_mu, 0>;
+
+} // neverHasSideEffects
+
//===----------------------------------------------------------------------===//
// Move Instructions.
//
let neverHasSideEffects = 1 in
-def t2MOVr : T2sI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr,
- "mov", ".w\t$dst, $src", []> {
+def t2MOVr : T2sTwoReg<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVr,
+ "mov", ".w\t$Rd, $Rm", []> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
}
// AddedComplexity to ensure isel tries t2MOVi before t2MOVi16.
-let isReMaterializable = 1, isAsCheapAsAMove = 1, AddedComplexity = 1 in
-def t2MOVi : T2sI<(outs rGPR:$dst), (ins t2_so_imm:$src), IIC_iMOVi,
- "mov", ".w\t$dst, $src",
- [(set rGPR:$dst, t2_so_imm:$src)]> {
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1,
+ AddedComplexity = 1 in
+def t2MOVi : T2sOneRegImm<(outs rGPR:$Rd), (ins t2_so_imm:$imm), IIC_iMOVi,
+ "mov", ".w\t$Rd, $imm",
+ [(set rGPR:$Rd, t2_so_imm:$imm)]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = 0b0010;
let Inst{15} = 0;
}
-let isReMaterializable = 1, isAsCheapAsAMove = 1 in
-def t2MOVi16 : T2I<(outs rGPR:$dst), (ins i32imm:$src), IIC_iMOVi,
- "movw", "\t$dst, $src",
- [(set rGPR:$dst, imm0_65535:$src)]> {
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
+def t2MOVi16 : T2I<(outs rGPR:$Rd), (ins i32imm:$imm), IIC_iMOVi,
+ "movw", "\t$Rd, $imm",
+ [(set rGPR:$Rd, imm0_65535:$imm)]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-21} = 0b0010;
let Inst{20} = 0; // The S bit.
let Inst{15} = 0;
-}
-
-let Constraints = "$src = $dst" in
-def t2MOVTi16 : T2I<(outs rGPR:$dst), (ins rGPR:$src, i32imm:$imm), IIC_iMOVi,
- "movt", "\t$dst, $imm",
- [(set rGPR:$dst,
+
+ bits<4> Rd;
+ bits<16> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = imm{15-12};
+ let Inst{26} = imm{11};
+ let Inst{14-12} = imm{10-8};
+ let Inst{7-0} = imm{7-0};
+}
+
+let Constraints = "$src = $Rd" in
+def t2MOVTi16 : T2I<(outs rGPR:$Rd), (ins rGPR:$src, i32imm:$imm), IIC_iMOVi,
+ "movt", "\t$Rd, $imm",
+ [(set rGPR:$Rd,
(or (and rGPR:$src, 0xffff), lo16AllZero:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-21} = 0b0110;
let Inst{20} = 0; // The S bit.
let Inst{15} = 0;
+
+ bits<4> Rd;
+ bits<16> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = imm{15-12};
+ let Inst{26} = imm{11};
+ let Inst{14-12} = imm{10-8};
+ let Inst{7-0} = imm{7-0};
}
def : T2Pat<(or rGPR:$src, 0xffff0000), (t2MOVTi16 rGPR:$src, 0xffff)>;
// instead so we can include a check for masking back in the upper
// eight bits of the source into the lower eight bits of the result.
//def : T2Pat<(and (shl rGPR:$Src, (i32 8)), 0xFF00FF),
-// (t2UXTB16r_rot rGPR:$Src, 24)>, Requires<[HasT2ExtractPack]>;
+// (t2UXTB16r_rot rGPR:$Src, 24)>,
+// Requires<[HasT2ExtractPack, IsThumb2]>;
def : T2Pat<(and (srl rGPR:$Src, (i32 8)), 0xFF00FF),
- (t2UXTB16r_rot rGPR:$Src, 8)>, Requires<[HasT2ExtractPack]>;
+ (t2UXTB16r_rot rGPR:$Src, 8)>,
+ Requires<[HasT2ExtractPack, IsThumb2]>;
defm t2UXTAB : T2I_exta_rrot<0b101, "uxtab",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
// And Miscellaneous operations -- for disassembly only
class T2I_pam<bits<3> op22_20, bits<4> op7_4, string opc,
list<dag> pat = [/* For disassembly only; pattern left blank */]>
- : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), NoItinerary, opc,
- "\t$dst, $a, $b", pat> {
+ : T2I<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), NoItinerary, opc,
+ "\t$Rd, $Rn, $Rm", pat> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0101;
let Inst{22-20} = op22_20;
let Inst{15-12} = 0b1111;
let Inst{7-4} = op7_4;
+
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{3-0} = Rm{3-0};
}
// Saturating add/subtract -- for disassembly only
def t2QADD : T2I_pam<0b000, 0b1000, "qadd",
- [(set rGPR:$dst, (int_arm_qadd rGPR:$a, rGPR:$b))]>;
+ [(set rGPR:$Rd, (int_arm_qadd rGPR:$Rn, rGPR:$Rm))]>;
def t2QADD16 : T2I_pam<0b001, 0b0001, "qadd16">;
def t2QADD8 : T2I_pam<0b000, 0b0001, "qadd8">;
def t2QASX : T2I_pam<0b010, 0b0001, "qasx">;
def t2QDSUB : T2I_pam<0b000, 0b1011, "qdsub">;
def t2QSAX : T2I_pam<0b110, 0b0001, "qsax">;
def t2QSUB : T2I_pam<0b000, 0b1010, "qsub",
- [(set rGPR:$dst, (int_arm_qsub rGPR:$a, rGPR:$b))]>;
+ [(set rGPR:$Rd, (int_arm_qsub rGPR:$Rn, rGPR:$Rm))]>;
def t2QSUB16 : T2I_pam<0b101, 0b0001, "qsub16">;
def t2QSUB8 : T2I_pam<0b100, 0b0001, "qsub8">;
def t2UQADD16 : T2I_pam<0b001, 0b0101, "uqadd16">;
def t2UHSUB16 : T2I_pam<0b101, 0b0110, "uhsub16">;
def t2UHSUB8 : T2I_pam<0b100, 0b0110, "uhsub8">;
+// Helper class for disassembly only
+// A6.3.16 & A6.3.17
+// T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
+class T2ThreeReg_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops,
+ dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern>
+ : T2ThreeReg<oops, iops, itin, opc, asm, pattern> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-24} = 0b011;
+ let Inst{23} = long;
+ let Inst{22-20} = op22_20;
+ let Inst{7-4} = op7_4;
+}
+
+class T2FourReg_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops,
+ dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern>
+ : T2FourReg<oops, iops, itin, opc, asm, pattern> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-24} = 0b011;
+ let Inst{23} = long;
+ let Inst{22-20} = op22_20;
+ let Inst{7-4} = op7_4;
+}
+
// Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
-def t2USAD8 : T2I_mac<0, 0b111, 0b0000, (outs rGPR:$dst),
- (ins rGPR:$a, rGPR:$b),
- NoItinerary, "usad8", "\t$dst, $a, $b", []> {
+def t2USAD8 : T2ThreeReg_mac<0, 0b111, 0b0000, (outs rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm),
+ NoItinerary, "usad8", "\t$Rd, $Rn, $Rm", []> {
let Inst{15-12} = 0b1111;
}
-def t2USADA8 : T2I_mac<0, 0b111, 0b0000, (outs rGPR:$dst),
- (ins rGPR:$a, rGPR:$b, rGPR:$acc), NoItinerary, "usada8",
- "\t$dst, $a, $b, $acc", []>;
+def t2USADA8 : T2FourReg_mac<0, 0b111, 0b0000, (outs rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), NoItinerary,
+ "usada8", "\t$Rd, $Rn, $Rm, $Ra", []>;
// Signed/Unsigned saturate -- for disassembly only
-def t2SSAT: T2I<(outs rGPR:$dst), (ins i32imm:$bit_pos, rGPR:$a, shift_imm:$sh),
- NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
+class T2SatI<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<5> sat_imm;
+ bits<7> sh;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{4-0} = sat_imm{4-0};
+ let Inst{21} = sh{6};
+ let Inst{14-12} = sh{4-2};
+ let Inst{7-6} = sh{1-0};
+}
+
+def t2SSAT: T2I<(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn, shift_imm:$sh),
+ NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-27} = 0b11110;
let Inst{25-22} = 0b1100;
let Inst{15} = 0;
}
-def t2SSAT16: T2I<(outs rGPR:$dst), (ins i32imm:$bit_pos, rGPR:$a), NoItinerary,
- "ssat16", "\t$dst, $bit_pos, $a",
+def t2SSAT16: T2I<(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn), NoItinerary,
+ "ssat16", "\t$Rd, $sat_imm, $Rn",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-27} = 0b11110;
let Inst{25-22} = 0b1100;
defm t2ROR : T2I_sh_ir<0b11, "ror", BinOpFrag<(rotr node:$LHS, node:$RHS)>>;
let Uses = [CPSR] in {
-def t2RRX : T2sI<(outs rGPR:$dst), (ins rGPR:$src), IIC_iMOVsi,
- "rrx", "\t$dst, $src",
- [(set rGPR:$dst, (ARMrrx rGPR:$src))]> {
+def t2RRX : T2sTwoReg<(outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi,
+ "rrx", "\t$Rd, $Rm",
+ [(set rGPR:$Rd, (ARMrrx rGPR:$Rm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
}
let Defs = [CPSR] in {
-def t2MOVsrl_flag : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iMOVsi,
- "lsrs", ".w\t$dst, $src, #1",
- [(set rGPR:$dst, (ARMsrl_flag rGPR:$src))]> {
+def t2MOVsrl_flag : T2TwoRegShiftImm<
+ (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi,
+ "lsrs", ".w\t$Rd, $Rm, #1",
+ [(set rGPR:$Rd, (ARMsrl_flag rGPR:$Rm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
let Inst{14-12} = 0b000;
let Inst{7-6} = 0b01;
}
-def t2MOVsra_flag : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iMOVsi,
- "asrs", ".w\t$dst, $src, #1",
- [(set rGPR:$dst, (ARMsra_flag rGPR:$src))]> {
+def t2MOVsra_flag : T2TwoRegShiftImm<
+ (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi,
+ "asrs", ".w\t$Rd, $Rm, #1",
+ [(set rGPR:$Rd, (ARMsra_flag rGPR:$Rm))]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
IIC_iBITi, IIC_iBITr, IIC_iBITsi,
BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
-let Constraints = "$src = $dst" in
-def t2BFC : T2I<(outs rGPR:$dst), (ins rGPR:$src, bf_inv_mask_imm:$imm),
- IIC_iUNAsi, "bfc", "\t$dst, $imm",
- [(set rGPR:$dst, (and rGPR:$src, bf_inv_mask_imm:$imm))]> {
+class T2BitFI<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<5> msb;
+ bits<5> lsb;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{4-0} = msb{4-0};
+ let Inst{14-12} = lsb{4-2};
+ let Inst{7-6} = lsb{1-0};
+}
+
+class T2TwoRegBitFI<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2BitFI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rn;
+
+ let Inst{19-16} = Rn{3-0};
+}
+
+let Constraints = "$src = $Rd" in
+def t2BFC : T2BitFI<(outs rGPR:$Rd), (ins rGPR:$src, bf_inv_mask_imm:$imm),
+ IIC_iUNAsi, "bfc", "\t$Rd, $imm",
+ [(set rGPR:$Rd, (and rGPR:$src, bf_inv_mask_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-20} = 0b10110;
let Inst{19-16} = 0b1111; // Rn
let Inst{15} = 0;
+
+ bits<10> imm;
+ let msb{4-0} = imm{9-5};
+ let lsb{4-0} = imm{4-0};
}
-def t2SBFX: T2I<(outs rGPR:$dst), (ins rGPR:$src, imm0_31:$lsb, imm0_31:$width),
- IIC_iUNAsi, "sbfx", "\t$dst, $src, $lsb, $width", []> {
+def t2SBFX: T2TwoRegBitFI<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, imm0_31:$lsb, imm0_31_m1:$msb),
+ IIC_iUNAsi, "sbfx", "\t$Rd, $Rn, $lsb, $msb", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-20} = 0b10100;
let Inst{15} = 0;
}
-def t2UBFX: T2I<(outs rGPR:$dst), (ins rGPR:$src, imm0_31:$lsb, imm0_31:$width),
- IIC_iUNAsi, "ubfx", "\t$dst, $src, $lsb, $width", []> {
+def t2UBFX: T2TwoRegBitFI<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, imm0_31:$lsb, imm0_31_m1:$msb),
+ IIC_iUNAsi, "ubfx", "\t$Rd, $Rn, $lsb, $msb", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-20} = 0b11100;
}
// A8.6.18 BFI - Bitfield insert (Encoding T1)
-let Constraints = "$src = $dst" in
-def t2BFI : T2I<(outs rGPR:$dst),
- (ins rGPR:$src, rGPR:$val, bf_inv_mask_imm:$imm),
- IIC_iBITi, "bfi", "\t$dst, $val, $imm",
- [(set rGPR:$dst, (ARMbfi rGPR:$src, rGPR:$val,
+let Constraints = "$src = $Rd" in
+def t2BFI : T2TwoRegBitFI<(outs rGPR:$Rd),
+ (ins rGPR:$src, rGPR:$Rn, bf_inv_mask_imm:$imm),
+ IIC_iBITi, "bfi", "\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (ARMbfi rGPR:$src, rGPR:$Rn,
bf_inv_mask_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-20} = 0b10110;
let Inst{15} = 0;
+
+ bits<10> imm;
+ let msb{4-0} = imm{9-5};
+ let lsb{4-0} = imm{4-0};
}
defm t2ORN : T2I_bin_irs<0b0011, "orn",
// Multiply Instructions.
//
let isCommutable = 1 in
-def t2MUL: T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL32,
- "mul", "\t$dst, $a, $b",
- [(set rGPR:$dst, (mul rGPR:$a, rGPR:$b))]> {
+def t2MUL: T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL32,
+ "mul", "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (mul rGPR:$Rn, rGPR:$Rm))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b000;
let Inst{7-4} = 0b0000; // Multiply
}
-def t2MLA: T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$c), IIC_iMAC32,
- "mla", "\t$dst, $a, $b, $c",
- [(set rGPR:$dst, (add (mul rGPR:$a, rGPR:$b), rGPR:$c))]> {
+def t2MLA: T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
+ "mla", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add (mul rGPR:$Rn, rGPR:$Rm), rGPR:$Ra))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b000;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-4} = 0b0000; // Multiply
}
-def t2MLS: T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$c), IIC_iMAC32,
- "mls", "\t$dst, $a, $b, $c",
- [(set rGPR:$dst, (sub rGPR:$c, (mul rGPR:$a, rGPR:$b)))]> {
+def t2MLS: T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
+ "mls", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (sub rGPR:$Ra, (mul rGPR:$Rn, rGPR:$Rm)))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b000;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-4} = 0b0001; // Multiply and Subtract
}
// Extra precision multiplies with low / high results
let neverHasSideEffects = 1 in {
let isCommutable = 1 in {
-def t2SMULL : T2I<(outs rGPR:$ldst, rGPR:$hdst),
- (ins rGPR:$a, rGPR:$b), IIC_iMUL64,
- "smull", "\t$ldst, $hdst, $a, $b", []> {
+def t2SMULL : T2FourReg<
+ (outs rGPR:$Rd, rGPR:$Ra),
+ (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL64,
+ "smull", "\t$Rd, $Ra, $Rn, $Rm", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0111;
let Inst{22-20} = 0b000;
let Inst{7-4} = 0b0000;
}
-def t2UMULL : T2I<(outs rGPR:$ldst, rGPR:$hdst),
- (ins rGPR:$a, rGPR:$b), IIC_iMUL64,
- "umull", "\t$ldst, $hdst, $a, $b", []> {
+def t2UMULL : T2FourReg<
+ (outs rGPR:$Rd, rGPR:$Ra),
+ (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL64,
+ "umull", "\t$Rd, $Ra, $Rn, $Rm", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0111;
let Inst{22-20} = 0b010;
} // isCommutable
// Multiply + accumulate
-def t2SMLAL : T2I<(outs rGPR:$ldst, rGPR:$hdst),
- (ins rGPR:$a, rGPR:$b), IIC_iMAC64,
- "smlal", "\t$ldst, $hdst, $a, $b", []>{
+def t2SMLAL : T2FourReg<(outs rGPR:$Ra, rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64,
+ "smlal", "\t$Ra, $Rd, $Rn, $Rm", []>{
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0111;
let Inst{22-20} = 0b100;
let Inst{7-4} = 0b0000;
}
-def t2UMLAL : T2I<(outs rGPR:$ldst, rGPR:$hdst),
- (ins rGPR:$a, rGPR:$b), IIC_iMAC64,
- "umlal", "\t$ldst, $hdst, $a, $b", []>{
+def t2UMLAL : T2FourReg<(outs rGPR:$Ra, rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64,
+ "umlal", "\t$Ra, $Rd, $Rn, $Rm", []>{
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0111;
let Inst{22-20} = 0b110;
let Inst{7-4} = 0b0000;
}
-def t2UMAAL : T2I<(outs rGPR:$ldst, rGPR:$hdst),
- (ins rGPR:$a, rGPR:$b), IIC_iMAC64,
- "umaal", "\t$ldst, $hdst, $a, $b", []>{
+def t2UMAAL : T2FourReg<(outs rGPR:$Ra, rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64,
+ "umaal", "\t$Ra, $Rd, $Rn, $Rm", []>{
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0111;
let Inst{22-20} = 0b110;
// Rounding variants of the below included for disassembly only
// Most significant word multiply
-def t2SMMUL : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL32,
- "smmul", "\t$dst, $a, $b",
- [(set rGPR:$dst, (mulhs rGPR:$a, rGPR:$b))]> {
+def t2SMMUL : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL32,
+ "smmul", "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (mulhs rGPR:$Rn, rGPR:$Rm))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b101;
let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0)
}
-def t2SMMULR : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL32,
- "smmulr", "\t$dst, $a, $b", []> {
+def t2SMMULR : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL32,
+ "smmulr", "\t$Rd, $Rn, $Rm", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b101;
let Inst{7-4} = 0b0001; // Rounding (Inst{4} = 1)
}
-def t2SMMLA : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$c), IIC_iMAC32,
- "smmla", "\t$dst, $a, $b, $c",
- [(set rGPR:$dst, (add (mulhs rGPR:$a, rGPR:$b), rGPR:$c))]> {
+def t2SMMLA : T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
+ "smmla", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add (mulhs rGPR:$Rm, rGPR:$Rn), rGPR:$Ra))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b101;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0)
}
-def t2SMMLAR: T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$c), IIC_iMAC32,
- "smmlar", "\t$dst, $a, $b, $c", []> {
+def t2SMMLAR: T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
+ "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b101;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-4} = 0b0001; // Rounding (Inst{4} = 1)
}
-def t2SMMLS: T2I <(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$c), IIC_iMAC32,
- "smmls", "\t$dst, $a, $b, $c",
- [(set rGPR:$dst, (sub rGPR:$c, (mulhs rGPR:$a, rGPR:$b)))]> {
+def t2SMMLS: T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
+ "smmls", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (sub rGPR:$Ra, (mulhs rGPR:$Rn, rGPR:$Rm)))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b110;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0)
}
-def t2SMMLSR:T2I <(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$c), IIC_iMAC32,
- "smmlsr", "\t$dst, $a, $b, $c", []> {
+def t2SMMLSR:T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32,
+ "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b110;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-4} = 0b0001; // Rounding (Inst{4} = 1)
}
multiclass T2I_smul<string opc, PatFrag opnode> {
- def BB : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL16,
- !strconcat(opc, "bb"), "\t$dst, $a, $b",
- [(set rGPR:$dst, (opnode (sext_inreg rGPR:$a, i16),
- (sext_inreg rGPR:$b, i16)))]> {
+ def BB : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
+ !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode (sext_inreg rGPR:$Rn, i16),
+ (sext_inreg rGPR:$Rm, i16)))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
let Inst{5-4} = 0b00;
}
- def BT : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL16,
- !strconcat(opc, "bt"), "\t$dst, $a, $b",
- [(set rGPR:$dst, (opnode (sext_inreg rGPR:$a, i16),
- (sra rGPR:$b, (i32 16))))]> {
+ def BT : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
+ !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode (sext_inreg rGPR:$Rn, i16),
+ (sra rGPR:$Rm, (i32 16))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
let Inst{5-4} = 0b01;
}
- def TB : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL16,
- !strconcat(opc, "tb"), "\t$dst, $a, $b",
- [(set rGPR:$dst, (opnode (sra rGPR:$a, (i32 16)),
- (sext_inreg rGPR:$b, i16)))]> {
+ def TB : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
+ !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode (sra rGPR:$Rn, (i32 16)),
+ (sext_inreg rGPR:$Rm, i16)))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
let Inst{5-4} = 0b10;
}
- def TT : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL16,
- !strconcat(opc, "tt"), "\t$dst, $a, $b",
- [(set rGPR:$dst, (opnode (sra rGPR:$a, (i32 16)),
- (sra rGPR:$b, (i32 16))))]> {
+ def TT : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
+ !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (opnode (sra rGPR:$Rn, (i32 16)),
+ (sra rGPR:$Rm, (i32 16))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
let Inst{5-4} = 0b11;
}
- def WB : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL16,
- !strconcat(opc, "wb"), "\t$dst, $a, $b",
- [(set rGPR:$dst, (sra (opnode rGPR:$a,
- (sext_inreg rGPR:$b, i16)), (i32 16)))]> {
+ def WB : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
+ !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (sra (opnode rGPR:$Rn,
+ (sext_inreg rGPR:$Rm, i16)), (i32 16)))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b011;
let Inst{5-4} = 0b00;
}
- def WT : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b), IIC_iMUL16,
- !strconcat(opc, "wt"), "\t$dst, $a, $b",
- [(set rGPR:$dst, (sra (opnode rGPR:$a,
- (sra rGPR:$b, (i32 16))), (i32 16)))]> {
+ def WT : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL16,
+ !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
+ [(set rGPR:$Rd, (sra (opnode rGPR:$Rn,
+ (sra rGPR:$Rm, (i32 16))), (i32 16)))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b011;
multiclass T2I_smla<string opc, PatFrag opnode> {
- def BB : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC16,
- !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
- [(set rGPR:$dst, (add rGPR:$acc,
- (opnode (sext_inreg rGPR:$a, i16),
- (sext_inreg rGPR:$b, i16))))]> {
+ def BB : T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
+ !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add rGPR:$Ra,
+ (opnode (sext_inreg rGPR:$Rn, i16),
+ (sext_inreg rGPR:$Rm, i16))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-6} = 0b00;
let Inst{5-4} = 0b00;
}
- def BT : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC16,
- !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
- [(set rGPR:$dst, (add rGPR:$acc, (opnode (sext_inreg rGPR:$a, i16),
- (sra rGPR:$b, (i32 16)))))]> {
+ def BT : T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
+ !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add rGPR:$Ra, (opnode (sext_inreg rGPR:$Rn, i16),
+ (sra rGPR:$Rm, (i32 16)))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-6} = 0b00;
let Inst{5-4} = 0b01;
}
- def TB : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC16,
- !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
- [(set rGPR:$dst, (add rGPR:$acc, (opnode (sra rGPR:$a, (i32 16)),
- (sext_inreg rGPR:$b, i16))))]> {
+ def TB : T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
+ !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add rGPR:$Ra, (opnode (sra rGPR:$Rn, (i32 16)),
+ (sext_inreg rGPR:$Rm, i16))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-6} = 0b00;
let Inst{5-4} = 0b10;
}
- def TT : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC16,
- !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
- [(set rGPR:$dst, (add rGPR:$acc, (opnode (sra rGPR:$a, (i32 16)),
- (sra rGPR:$b, (i32 16)))))]> {
+ def TT : T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
+ !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add rGPR:$Ra, (opnode (sra rGPR:$Rn, (i32 16)),
+ (sra rGPR:$Rm, (i32 16)))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b001;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-6} = 0b00;
let Inst{5-4} = 0b11;
}
- def WB : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC16,
- !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
- [(set rGPR:$dst, (add rGPR:$acc, (sra (opnode rGPR:$a,
- (sext_inreg rGPR:$b, i16)), (i32 16))))]> {
+ def WB : T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
+ !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add rGPR:$Ra, (sra (opnode rGPR:$Rn,
+ (sext_inreg rGPR:$Rm, i16)), (i32 16))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b011;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-6} = 0b00;
let Inst{5-4} = 0b00;
}
- def WT : T2I<(outs rGPR:$dst), (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC16,
- !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
- [(set rGPR:$dst, (add rGPR:$acc, (sra (opnode rGPR:$a,
- (sra rGPR:$b, (i32 16))), (i32 16))))]> {
+ def WT : T2FourReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC16,
+ !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set rGPR:$Rd, (add rGPR:$Ra, (sra (opnode rGPR:$Rn,
+ (sra rGPR:$Rm, (i32 16))), (i32 16))))]> {
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0110;
let Inst{22-20} = 0b011;
- let Inst{15-12} = {?, ?, ?, ?}; // Ra
let Inst{7-6} = 0b00;
let Inst{5-4} = 0b01;
}
defm t2SMLA : T2I_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
// Halfword multiple accumulate long: SMLAL<x><y> -- for disassembly only
-def t2SMLALBB : T2I_mac<1, 0b100, 0b1000, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
+def t2SMLALBB : T2FourReg_mac<1, 0b100, 0b1000, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rn,rGPR:$Rm), IIC_iMAC64, "smlalbb", "\t$Ra, $Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>;
-def t2SMLALBT : T2I_mac<1, 0b100, 0b1001, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
+def t2SMLALBT : T2FourReg_mac<1, 0b100, 0b1001, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rn,rGPR:$Rm), IIC_iMAC64, "smlalbt", "\t$Ra, $Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>;
-def t2SMLALTB : T2I_mac<1, 0b100, 0b1010, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
+def t2SMLALTB : T2FourReg_mac<1, 0b100, 0b1010, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rn,rGPR:$Rm), IIC_iMAC64, "smlaltb", "\t$Ra, $Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>;
-def t2SMLALTT : T2I_mac<1, 0b100, 0b1011, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
+def t2SMLALTT : T2FourReg_mac<1, 0b100, 0b1011, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rn,rGPR:$Rm), IIC_iMAC64, "smlaltt", "\t$Ra, $Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>;
// Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
// These are for disassembly only.
-
-def t2SMUAD: T2I_mac<0, 0b010, 0b0000, (outs rGPR:$dst), (ins rGPR:$a, rGPR:$b),
- IIC_iMAC32, "smuad", "\t$dst, $a, $b", []> {
+
+def t2SMUAD: T2ThreeReg_mac<
+ 0, 0b010, 0b0000, (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm),
+ IIC_iMAC32, "smuad", "\t$Rd, $Rn, $Rm", []> {
let Inst{15-12} = 0b1111;
}
-def t2SMUADX:T2I_mac<0, 0b010, 0b0001, (outs rGPR:$dst), (ins rGPR:$a, rGPR:$b),
- IIC_iMAC32, "smuadx", "\t$dst, $a, $b", []> {
+def t2SMUADX:T2ThreeReg_mac<
+ 0, 0b010, 0b0001, (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm),
+ IIC_iMAC32, "smuadx", "\t$Rd, $Rn, $Rm", []> {
let Inst{15-12} = 0b1111;
}
-def t2SMUSD: T2I_mac<0, 0b100, 0b0000, (outs rGPR:$dst), (ins rGPR:$a, rGPR:$b),
- IIC_iMAC32, "smusd", "\t$dst, $a, $b", []> {
+def t2SMUSD: T2ThreeReg_mac<
+ 0, 0b100, 0b0000, (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm),
+ IIC_iMAC32, "smusd", "\t$Rd, $Rn, $Rm", []> {
let Inst{15-12} = 0b1111;
}
-def t2SMUSDX:T2I_mac<0, 0b100, 0b0001, (outs rGPR:$dst), (ins rGPR:$a, rGPR:$b),
- IIC_iMAC32, "smusdx", "\t$dst, $a, $b", []> {
+def t2SMUSDX:T2ThreeReg_mac<
+ 0, 0b100, 0b0001, (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm),
+ IIC_iMAC32, "smusdx", "\t$Rd, $Rn, $Rm", []> {
let Inst{15-12} = 0b1111;
}
-def t2SMLAD : T2I_mac<0, 0b010, 0b0000, (outs rGPR:$dst),
- (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC32, "smlad",
- "\t$dst, $a, $b, $acc", []>;
-def t2SMLADX : T2I_mac<0, 0b010, 0b0001, (outs rGPR:$dst),
- (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC32, "smladx",
- "\t$dst, $a, $b, $acc", []>;
-def t2SMLSD : T2I_mac<0, 0b100, 0b0000, (outs rGPR:$dst),
- (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC32, "smlsd",
- "\t$dst, $a, $b, $acc", []>;
-def t2SMLSDX : T2I_mac<0, 0b100, 0b0001, (outs rGPR:$dst),
- (ins rGPR:$a, rGPR:$b, rGPR:$acc), IIC_iMAC32, "smlsdx",
- "\t$dst, $a, $b, $acc", []>;
-def t2SMLALD : T2I_mac<1, 0b100, 0b1100, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlald",
- "\t$ldst, $hdst, $a, $b", []>;
-def t2SMLALDX : T2I_mac<1, 0b100, 0b1101, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlaldx",
- "\t$ldst, $hdst, $a, $b", []>;
-def t2SMLSLD : T2I_mac<1, 0b101, 0b1100, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlsld",
- "\t$ldst, $hdst, $a, $b", []>;
-def t2SMLSLDX : T2I_mac<1, 0b101, 0b1101, (outs rGPR:$ldst,rGPR:$hdst),
- (ins rGPR:$a,rGPR:$b), IIC_iMAC64, "smlsldx",
- "\t$ldst, $hdst, $a, $b", []>;
+def t2SMLAD : T2ThreeReg_mac<
+ 0, 0b010, 0b0000, (outs rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32, "smlad",
+ "\t$Rd, $Rn, $Rm, $Ra", []>;
+def t2SMLADX : T2FourReg_mac<
+ 0, 0b010, 0b0001, (outs rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32, "smladx",
+ "\t$Rd, $Rn, $Rm, $Ra", []>;
+def t2SMLSD : T2FourReg_mac<0, 0b100, 0b0000, (outs rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32, "smlsd",
+ "\t$Rd, $Rn, $Rm, $Ra", []>;
+def t2SMLSDX : T2FourReg_mac<0, 0b100, 0b0001, (outs rGPR:$Rd),
+ (ins rGPR:$Rn, rGPR:$Rm, rGPR:$Ra), IIC_iMAC32, "smlsdx",
+ "\t$Rd, $Rn, $Rm, $Ra", []>;
+def t2SMLALD : T2FourReg_mac<1, 0b100, 0b1100, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rm, rGPR:$Rn), IIC_iMAC64, "smlald",
+ "\t$Ra, $Rd, $Rm, $Rn", []>;
+def t2SMLALDX : T2FourReg_mac<1, 0b100, 0b1101, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlaldx",
+ "\t$Ra, $Rd, $Rm, $Rn", []>;
+def t2SMLSLD : T2FourReg_mac<1, 0b101, 0b1100, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlsld",
+ "\t$Ra, $Rd, $Rm, $Rn", []>;
+def t2SMLSLDX : T2FourReg_mac<1, 0b101, 0b1101, (outs rGPR:$Ra,rGPR:$Rd),
+ (ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlsldx",
+ "\t$Ra, $Rd, $Rm, $Rn", []>;
//===----------------------------------------------------------------------===//
// Misc. Arithmetic Instructions.
class T2I_misc<bits<2> op1, bits<2> op2, dag oops, dag iops,
InstrItinClass itin, string opc, string asm, list<dag> pattern>
- : T2I<oops, iops, itin, opc, asm, pattern> {
+ : T2ThreeReg<oops, iops, itin, opc, asm, pattern> {
let Inst{31-27} = 0b11111;
let Inst{26-22} = 0b01010;
let Inst{21-20} = op1;
let Inst{15-12} = 0b1111;
let Inst{7-6} = 0b10;
let Inst{5-4} = op2;
+ let Rn{3-0} = Rm{3-0};
}
-def t2CLZ : T2I_misc<0b11, 0b00, (outs rGPR:$dst), (ins rGPR:$src), IIC_iUNAr,
- "clz", "\t$dst, $src", [(set rGPR:$dst, (ctlz rGPR:$src))]>;
+def t2CLZ : T2I_misc<0b11, 0b00, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
+ "clz", "\t$Rd, $Rm", [(set rGPR:$Rd, (ctlz rGPR:$Rm))]>;
-def t2RBIT : T2I_misc<0b01, 0b10, (outs rGPR:$dst), (ins rGPR:$src), IIC_iUNAr,
- "rbit", "\t$dst, $src",
- [(set rGPR:$dst, (ARMrbit rGPR:$src))]>;
+def t2RBIT : T2I_misc<0b01, 0b10, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
+ "rbit", "\t$Rd, $Rm",
+ [(set rGPR:$Rd, (ARMrbit rGPR:$Rm))]>;
-def t2REV : T2I_misc<0b01, 0b00, (outs rGPR:$dst), (ins rGPR:$src), IIC_iUNAr,
- "rev", ".w\t$dst, $src", [(set rGPR:$dst, (bswap rGPR:$src))]>;
+def t2REV : T2I_misc<0b01, 0b00, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
+ "rev", ".w\t$Rd, $Rm", [(set rGPR:$Rd, (bswap rGPR:$Rm))]>;
-def t2REV16 : T2I_misc<0b01, 0b01, (outs rGPR:$dst), (ins rGPR:$src), IIC_iUNAr,
- "rev16", ".w\t$dst, $src",
- [(set rGPR:$dst,
- (or (and (srl rGPR:$src, (i32 8)), 0xFF),
- (or (and (shl rGPR:$src, (i32 8)), 0xFF00),
- (or (and (srl rGPR:$src, (i32 8)), 0xFF0000),
- (and (shl rGPR:$src, (i32 8)), 0xFF000000)))))]>;
+def t2REV16 : T2I_misc<0b01, 0b01, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
+ "rev16", ".w\t$Rd, $Rm",
+ [(set rGPR:$Rd,
+ (or (and (srl rGPR:$Rm, (i32 8)), 0xFF),
+ (or (and (shl rGPR:$Rm, (i32 8)), 0xFF00),
+ (or (and (srl rGPR:$Rm, (i32 8)), 0xFF0000),
+ (and (shl rGPR:$Rm, (i32 8)), 0xFF000000)))))]>;
-def t2REVSH : T2I_misc<0b01, 0b11, (outs rGPR:$dst), (ins rGPR:$src), IIC_iUNAr,
- "revsh", ".w\t$dst, $src",
- [(set rGPR:$dst,
+def t2REVSH : T2I_misc<0b01, 0b11, (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iUNAr,
+ "revsh", ".w\t$Rd, $Rm",
+ [(set rGPR:$Rd,
(sext_inreg
- (or (srl (and rGPR:$src, 0xFF00), (i32 8)),
- (shl rGPR:$src, (i32 8))), i16))]>;
-
-def t2PKHBT : T2I<(outs rGPR:$dst), (ins rGPR:$src1, rGPR:$src2, shift_imm:$sh),
- IIC_iBITsi, "pkhbt", "\t$dst, $src1, $src2$sh",
- [(set rGPR:$dst, (or (and rGPR:$src1, 0xFFFF),
- (and (shl rGPR:$src2, lsl_amt:$sh),
+ (or (srl (and rGPR:$Rm, 0xFF00), (i32 8)),
+ (shl rGPR:$Rm, (i32 8))), i16))]>;
+
+def t2PKHBT : T2ThreeReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, shift_imm:$sh),
+ IIC_iBITsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
+ [(set rGPR:$Rd, (or (and rGPR:$Rn, 0xFFFF),
+ (and (shl rGPR:$Rm, lsl_amt:$sh),
0xFFFF0000)))]>,
- Requires<[HasT2ExtractPack]> {
+ Requires<[HasT2ExtractPack, IsThumb2]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-20} = 0b01100;
let Inst{5} = 0; // BT form
let Inst{4} = 0;
+
+ bits<8> sh;
+ let Inst{14-12} = sh{7-5};
+ let Inst{7-6} = sh{4-3};
}
// Alternate cases for PKHBT where identities eliminate some nodes.
def : T2Pat<(or (and rGPR:$src1, 0xFFFF), (and rGPR:$src2, 0xFFFF0000)),
(t2PKHBT rGPR:$src1, rGPR:$src2, 0)>,
- Requires<[HasT2ExtractPack]>;
+ Requires<[HasT2ExtractPack, IsThumb2]>;
def : T2Pat<(or (and rGPR:$src1, 0xFFFF), (shl rGPR:$src2, imm16_31:$sh)),
(t2PKHBT rGPR:$src1, rGPR:$src2, (lsl_shift_imm imm16_31:$sh))>,
- Requires<[HasT2ExtractPack]>;
+ Requires<[HasT2ExtractPack, IsThumb2]>;
// Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
// will match the pattern below.
-def t2PKHTB : T2I<(outs rGPR:$dst), (ins rGPR:$src1, rGPR:$src2, shift_imm:$sh),
- IIC_iBITsi, "pkhtb", "\t$dst, $src1, $src2$sh",
- [(set rGPR:$dst, (or (and rGPR:$src1, 0xFFFF0000),
- (and (sra rGPR:$src2, asr_amt:$sh),
+def t2PKHTB : T2ThreeReg<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, shift_imm:$sh),
+ IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
+ [(set rGPR:$Rd, (or (and rGPR:$Rn, 0xFFFF0000),
+ (and (sra rGPR:$Rm, asr_amt:$sh),
0xFFFF)))]>,
- Requires<[HasT2ExtractPack]> {
+ Requires<[HasT2ExtractPack, IsThumb2]> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-20} = 0b01100;
let Inst{5} = 1; // TB form
let Inst{4} = 0;
+
+ bits<8> sh;
+ let Inst{14-12} = sh{7-5};
+ let Inst{7-6} = sh{4-3};
}
// Alternate cases for PKHTB where identities eliminate some nodes. Note that
// a shift amount of 0 is *not legal* here, it is PKHBT instead.
def : T2Pat<(or (and rGPR:$src1, 0xFFFF0000), (srl rGPR:$src2, imm16_31:$sh)),
(t2PKHTB rGPR:$src1, rGPR:$src2, (asr_shift_imm imm16_31:$sh))>,
- Requires<[HasT2ExtractPack]>;
+ Requires<[HasT2ExtractPack, IsThumb2]>;
def : T2Pat<(or (and rGPR:$src1, 0xFFFF0000),
(and (srl rGPR:$src2, imm1_15:$sh), 0xFFFF)),
(t2PKHTB rGPR:$src1, rGPR:$src2, (asr_shift_imm imm1_15:$sh))>,
- Requires<[HasT2ExtractPack]>;
+ Requires<[HasT2ExtractPack, IsThumb2]>;
//===----------------------------------------------------------------------===//
// Comparison Instructions...
defm t2TST : T2I_cmp_irs<0b0000, "tst",
IIC_iTSTi, IIC_iTSTr, IIC_iTSTsi,
- BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>>;
+ BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>>;
defm t2TEQ : T2I_cmp_irs<0b0100, "teq",
IIC_iTSTi, IIC_iTSTr, IIC_iTSTsi,
- BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>>;
+ BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>>;
// Conditional moves
// FIXME: should be able to write a pattern for ARMcmov, but can't use
// a two-value operand where a dag node expects two operands. :(
let neverHasSideEffects = 1 in {
-def t2MOVCCr : T2I<(outs rGPR:$dst), (ins rGPR:$false, rGPR:$true), IIC_iCMOVr,
- "mov", ".w\t$dst, $true",
- [/*(set rGPR:$dst, (ARMcmov rGPR:$false, rGPR:$true, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $dst"> {
+def t2MOVCCr : T2TwoReg<
+ (outs rGPR:$Rd), (ins rGPR:$false, rGPR:$Rm), IIC_iCMOVr,
+ "mov", ".w\t$Rd, $Rm",
+ [/*(set rGPR:$Rd, (ARMcmov rGPR:$false, rGPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd"> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
let Inst{7-4} = 0b0000;
}
-def t2MOVCCi : T2I<(outs rGPR:$dst), (ins rGPR:$false, t2_so_imm:$true),
- IIC_iCMOVi, "mov", ".w\t$dst, $true",
-[/*(set rGPR:$dst,(ARMcmov rGPR:$false,t2_so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $dst"> {
+let isMoveImm = 1 in
+def t2MOVCCi : T2OneRegImm<(outs rGPR:$Rd), (ins rGPR:$false, t2_so_imm:$imm),
+ IIC_iCMOVi, "mov", ".w\t$Rd, $imm",
+[/*(set rGPR:$Rd,(ARMcmov rGPR:$false,t2_so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd"> {
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = 0b0010;
let Inst{15} = 0;
}
-def t2MOVCCi16 : T2I<(outs rGPR:$dst), (ins rGPR:$false, i32imm:$src),
- IIC_iMOVi,
- "movw", "\t$dst, $src", []>,
- RegConstraint<"$false = $dst"> {
+let isMoveImm = 1 in
+def t2MOVCCi16 : T2I<(outs rGPR:$Rd), (ins rGPR:$false, i32imm:$imm),
+ IIC_iCMOVi,
+ "movw", "\t$Rd, $imm", []>,
+ RegConstraint<"$false = $Rd"> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-21} = 0b0010;
let Inst{20} = 0; // The S bit.
let Inst{15} = 0;
+
+ bits<4> Rd;
+ bits<16> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = imm{15-12};
+ let Inst{26} = imm{11};
+ let Inst{14-12} = imm{10-8};
+ let Inst{7-0} = imm{7-0};
+}
+
+let isMoveImm = 1 in
+def t2MOVCCi32imm : PseudoInst<(outs rGPR:$dst),
+ (ins rGPR:$false, i32imm:$src, pred:$p),
+ IIC_iCMOVix2, []>, RegConstraint<"$false = $dst">;
+
+let isMoveImm = 1 in
+def t2MVNCCi : T2OneRegImm<(outs rGPR:$Rd), (ins rGPR:$false, t2_so_imm:$imm),
+ IIC_iCMOVi, "mvn", ".w\t$Rd, $imm",
+[/*(set rGPR:$Rd,(ARMcmov rGPR:$false,t2_so_imm_not:$imm,
+ imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd"> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = 0b0011;
+ let Inst{20} = 0; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15} = 0;
}
class T2I_movcc_sh<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
- : T2I<oops, iops, itin, opc, asm, pattern> {
+ : T2TwoRegShiftImm<oops, iops, itin, opc, asm, pattern> {
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = 0b0010;
let Inst{19-16} = 0b1111; // Rn
let Inst{5-4} = opcod; // Shift type.
}
-def t2MOVCClsl : T2I_movcc_sh<0b00, (outs rGPR:$dst),
- (ins rGPR:$false, rGPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "lsl", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
-def t2MOVCClsr : T2I_movcc_sh<0b01, (outs rGPR:$dst),
- (ins rGPR:$false, rGPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "lsr", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
-def t2MOVCCasr : T2I_movcc_sh<0b10, (outs rGPR:$dst),
- (ins rGPR:$false, rGPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "asr", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
-def t2MOVCCror : T2I_movcc_sh<0b11, (outs rGPR:$dst),
- (ins rGPR:$false, rGPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
+def t2MOVCClsl : T2I_movcc_sh<0b00, (outs rGPR:$Rd),
+ (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
+ IIC_iCMOVsi, "lsl", ".w\t$Rd, $Rm, $imm", []>,
+ RegConstraint<"$false = $Rd">;
+def t2MOVCClsr : T2I_movcc_sh<0b01, (outs rGPR:$Rd),
+ (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
+ IIC_iCMOVsi, "lsr", ".w\t$Rd, $Rm, $imm", []>,
+ RegConstraint<"$false = $Rd">;
+def t2MOVCCasr : T2I_movcc_sh<0b10, (outs rGPR:$Rd),
+ (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
+ IIC_iCMOVsi, "asr", ".w\t$Rd, $Rm, $imm", []>,
+ RegConstraint<"$false = $Rd">;
+def t2MOVCCror : T2I_movcc_sh<0b11, (outs rGPR:$Rd),
+ (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
+ IIC_iCMOVsi, "ror", ".w\t$Rd, $Rm, $imm", []>,
+ RegConstraint<"$false = $Rd">;
} // neverHasSideEffects
//===----------------------------------------------------------------------===//
let Inst{7-6} = 0b01;
let Inst{5-4} = opcod;
let Inst{3-0} = 0b1111;
+
+ bits<4> Rn;
+ bits<4> Rt;
+ let Inst{19-16} = Rn{3-0};
+ let Inst{15-12} = Rt{3-0};
}
class T2I_strex<bits<2> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz,
InstrItinClass itin, string opc, string asm, string cstr,
let Inst{11-8} = rt2;
let Inst{7-6} = 0b01;
let Inst{5-4} = opcod;
+
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rt;
+ let Inst{11-8} = Rd{3-0};
+ let Inst{19-16} = Rn{3-0};
+ let Inst{15-12} = Rt{3-0};
}
let mayLoad = 1 in {
-def t2LDREXB : T2I_ldrex<0b00, (outs rGPR:$dest), (ins rGPR:$ptr), AddrModeNone,
- Size4Bytes, NoItinerary, "ldrexb", "\t$dest, [$ptr]",
+def t2LDREXB : T2I_ldrex<0b00, (outs rGPR:$Rt), (ins rGPR:$Rn), AddrModeNone,
+ Size4Bytes, NoItinerary, "ldrexb", "\t$Rt, [$Rn]",
"", []>;
-def t2LDREXH : T2I_ldrex<0b01, (outs rGPR:$dest), (ins rGPR:$ptr), AddrModeNone,
- Size4Bytes, NoItinerary, "ldrexh", "\t$dest, [$ptr]",
+def t2LDREXH : T2I_ldrex<0b01, (outs rGPR:$Rt), (ins rGPR:$Rn), AddrModeNone,
+ Size4Bytes, NoItinerary, "ldrexh", "\t$Rt, [$Rn]",
"", []>;
-def t2LDREX : Thumb2I<(outs rGPR:$dest), (ins rGPR:$ptr), AddrModeNone,
+def t2LDREX : Thumb2I<(outs rGPR:$Rt), (ins rGPR:$Rn), AddrModeNone,
Size4Bytes, NoItinerary,
- "ldrex", "\t$dest, [$ptr]", "",
+ "ldrex", "\t$Rt, [$Rn]", "",
[]> {
let Inst{31-27} = 0b11101;
let Inst{26-20} = 0b0000101;
let Inst{11-8} = 0b1111;
let Inst{7-0} = 0b00000000; // imm8 = 0
}
-def t2LDREXD : T2I_ldrex<0b11, (outs rGPR:$dest, rGPR:$dest2), (ins rGPR:$ptr),
+def t2LDREXD : T2I_ldrex<0b11, (outs rGPR:$Rt, rGPR:$Rt2), (ins rGPR:$Rn),
AddrModeNone, Size4Bytes, NoItinerary,
- "ldrexd", "\t$dest, $dest2, [$ptr]", "",
- [], {?, ?, ?, ?}>;
+ "ldrexd", "\t$Rt, $Rt2, [$Rn]", "",
+ [], {?, ?, ?, ?}> {
+ bits<4> Rt2;
+ let Inst{11-8} = Rt2{3-0};
+}
}
-let mayStore = 1, Constraints = "@earlyclobber $success" in {
-def t2STREXB : T2I_strex<0b00, (outs rGPR:$success), (ins rGPR:$src, rGPR:$ptr),
+let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
+def t2STREXB : T2I_strex<0b00, (outs rGPR:$Rd), (ins rGPR:$Rt, rGPR:$Rn),
AddrModeNone, Size4Bytes, NoItinerary,
- "strexb", "\t$success, $src, [$ptr]", "", []>;
-def t2STREXH : T2I_strex<0b01, (outs rGPR:$success), (ins rGPR:$src, rGPR:$ptr),
+ "strexb", "\t$Rd, $Rt, [$Rn]", "", []>;
+def t2STREXH : T2I_strex<0b01, (outs rGPR:$Rd), (ins rGPR:$Rt, rGPR:$Rn),
AddrModeNone, Size4Bytes, NoItinerary,
- "strexh", "\t$success, $src, [$ptr]", "", []>;
-def t2STREX : Thumb2I<(outs rGPR:$success), (ins rGPR:$src, rGPR:$ptr),
+ "strexh", "\t$Rd, $Rt, [$Rn]", "", []>;
+def t2STREX : Thumb2I<(outs rGPR:$Rd), (ins rGPR:$Rt, rGPR:$Rn),
AddrModeNone, Size4Bytes, NoItinerary,
- "strex", "\t$success, $src, [$ptr]", "",
+ "strex", "\t$Rd, $Rt, [$Rn]", "",
[]> {
let Inst{31-27} = 0b11101;
let Inst{26-20} = 0b0000100;
let Inst{7-0} = 0b00000000; // imm8 = 0
}
-def t2STREXD : T2I_strex<0b11, (outs rGPR:$success),
- (ins rGPR:$src, rGPR:$src2, rGPR:$ptr),
+def t2STREXD : T2I_strex<0b11, (outs rGPR:$Rd),
+ (ins rGPR:$Rt, rGPR:$Rt2, rGPR:$Rn),
AddrModeNone, Size4Bytes, NoItinerary,
- "strexd", "\t$success, $src, $src2, [$ptr]", "", [],
- {?, ?, ?, ?}>;
+ "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]", "", [],
+ {?, ?, ?, ?}> {
+ bits<4> Rt2;
+ let Inst{11-8} = Rt2{3-0};
+}
}
// Clear-Exclusive is for disassembly only.
[ 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 {
+ D31 ], hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1 in {
def t2Int_eh_sjlj_setjmp : Thumb2XI<(outs), (ins tGPR:$src, tGPR:$val),
AddrModeNone, SizeSpecial, NoItinerary, "", "",
[(set R0, (ARMeh_sjlj_setjmp tGPR:$src, tGPR:$val))]>,
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
- hasSideEffects = 1, isBarrier = 1 in {
+ hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1 in {
def t2Int_eh_sjlj_setjmp_nofp : Thumb2XI<(outs), (ins tGPR:$src, tGPR:$val),
AddrModeNone, SizeSpecial, NoItinerary, "", "",
[(set R0, (ARMeh_sjlj_setjmp tGPR:$src, tGPR:$val))]>,
// 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 t2LDM_RET : T2XIt<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
- reglist:$dsts, variable_ops),
+def t2LDMIA_RET: T2XIt<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
+ reglist:$regs, variable_ops),
IIC_iLoad_mBr,
- "ldm${addr:submode}${p}${addr:wide}\t$addr!, $dsts",
- "$addr.addr = $wb", []> {
+ "ldmia${p}.w\t$Rn!, $regs",
+ "$Rn = $wb", []> {
+ bits<4> Rn;
+ bits<16> regs;
+
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b00;
- let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
- let Inst{22} = 0;
- let Inst{21} = 1; // The W bit.
- let Inst{20} = 1; // Load
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{22} = 0;
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-0} = regs;
}
let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
let Inst{12} = 1;
}
-let isNotDuplicable = 1, isIndirectBranch = 1 in {
+let isNotDuplicable = 1, isIndirectBranch = 1,
+ isCodeGenOnly = 1 in { // $id doesn't exist in asmstring, should be lowered.
def t2BR_JT :
T2JTI<(outs),
(ins GPR:$target, GPR:$index, jt2block_operand:$jt, i32imm:$id),
}
// FIXME: Add a non-pc based case that can be predicated.
+let isCodeGenOnly = 1 in // $id doesn't exist in asm string, should be lowered.
def t2TBB :
T2JTI<(outs),
(ins tb_addrmode:$index, jt2block_operand:$jt, i32imm:$id),
let Inst{7-4} = 0b0000; // B form
}
+let isCodeGenOnly = 1 in // $id doesn't exist in asm string, should be lowered.
def t2TBH :
T2JTI<(outs),
(ins tb_addrmode:$index, jt2block_operand:$jt, i32imm:$id),
// Non-Instruction Patterns
//
-// Two piece so_imms.
-def : T2Pat<(or rGPR:$LHS, t2_so_imm2part:$RHS),
- (t2ORRri (t2ORRri rGPR:$LHS, (t2_so_imm2part_1 imm:$RHS)),
- (t2_so_imm2part_2 imm:$RHS))>;
-def : T2Pat<(xor rGPR:$LHS, t2_so_imm2part:$RHS),
- (t2EORri (t2EORri rGPR:$LHS, (t2_so_imm2part_1 imm:$RHS)),
- (t2_so_imm2part_2 imm:$RHS))>;
-def : T2Pat<(add rGPR:$LHS, t2_so_imm2part:$RHS),
- (t2ADDri (t2ADDri rGPR:$LHS, (t2_so_imm2part_1 imm:$RHS)),
- (t2_so_imm2part_2 imm:$RHS))>;
-def : T2Pat<(add rGPR:$LHS, t2_so_neg_imm2part:$RHS),
- (t2SUBri (t2SUBri rGPR:$LHS, (t2_so_neg_imm2part_1 imm:$RHS)),
- (t2_so_neg_imm2part_2 imm:$RHS))>;
-
// 32-bit immediate using movw + movt.
// This is a single pseudo instruction to make it re-materializable.
// FIXME: Remove this when we can do generalized remat.
-let isReMaterializable = 1 in
+let isReMaterializable = 1, isMoveImm = 1 in
def t2MOVi32imm : PseudoInst<(outs rGPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
- "", [(set rGPR:$dst, (i32 imm:$src))]>,
+ [(set rGPR:$dst, (i32 imm:$src))]>,
Requires<[IsThumb, HasV6T2]>;
// ConstantPool, GlobalAddress, and JumpTable
// scheduling.
let canFoldAsLoad = 1, isReMaterializable = 1 in
def t2LDRpci_pic : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr, pclabel:$cp),
- IIC_iLoadiALU, "",
+ IIC_iLoadiALU,
[(set GPR:$dst, (ARMpic_add (load (ARMWrapper tconstpool:$addr)),
imm:$cp))]>,
Requires<[IsThumb2]>;