llvm-6502/lib/Target/PowerPC/PPCInstrFormats.td
2004-08-15 05:46:14 +00:00

635 lines
16 KiB
TableGen

//===- PowerPCInstrFormats.td - PowerPC Instruction Formats --*- tablegen -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
class Format<bits<5> val> {
bits<5> Value = val;
}
def Pseudo: Format<0>;
def Gpr : Format<1>;
def Gpr0 : Format<2>;
def Simm16 : Format<3>;
def PCRelimm24 : Format<5>;
def Imm24 : Format<6>;
def Imm5 : Format<7>;
def PCRelimm14 : Format<8>;
def Imm14 : Format<9>;
def Imm2 : Format<10>;
def Crf : Format<11>;
def Imm3 : Format<12>;
def Imm1 : Format<13>;
def Fpr : Format<14>;
def Imm4 : Format<15>;
def Imm8 : Format<16>;
def Disimm16 : Format<17>;
def Disimm14 : Format<18>;
def Spr : Format<19>;
def Sgr : Format<20>;
def Imm15 : Format<21>;
def Vpr : Format<22>;
def Imm6 : Format<23>;
//===----------------------------------------------------------------------===//
//
// PowerPC instruction formats
class I<string name, bits<6> opcode, bit ppc64, bit vmx> : Instruction {
field bits<32> Inst;
bits<3> ArgCount;
bits<5> Arg0Type;
bits<5> Arg1Type;
bits<5> Arg2Type;
bits<5> Arg3Type;
bits<5> Arg4Type;
bit PPC64 = ppc64;
bit VMX = vmx;
let Name = name;
let Namespace = "PPC";
let Inst{0-5} = opcode;
}
// 1.7.1 I-Form
class IForm<string name, bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<24> LI;
let ArgCount = 1;
let Arg0Type = Imm24.Value;
let Arg1Type = 0;
let Arg2Type = 0;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-29} = LI;
let Inst{30} = aa;
let Inst{31} = lk;
}
// 1.7.2 B-Form
class BForm<string name, bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<5> BO;
field bits<5> BI;
field bits<14> BD;
let ArgCount = 3;
let Arg0Type = Imm5.Value;
let Arg1Type = Imm5.Value;
let Arg2Type = PCRelimm14.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = BO;
let Inst{11-15} = BI;
let Inst{16-29} = BD;
let Inst{30} = aa;
let Inst{31} = lk;
}
class BForm_ext<string name, bits<6> opcode, bit aa, bit lk, bits<5> bo,
bits<5> bi, bit ppc64, bit vmx>
: BForm<name, opcode, aa, lk, ppc64, vmx> {
let ArgCount = 2;
let Arg2Type = Imm5.Value;
let Arg1Type = PCRelimm14.Value;
let Arg2Type = 0;
let BO = bo;
let BI = bi;
}
// 1.7.4 D-Form
class DForm_base<string name, bits<6> opcode, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<5> A;
field bits<5> B;
field bits<16> C;
let ArgCount = 3;
let Arg0Type = Gpr.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Simm16.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = A;
let Inst{11-15} = B;
let Inst{16-31} = C;
}
class DForm_1<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_base<name, opcode, ppc64, vmx> {
let Arg1Type = Disimm16.Value;
let Arg2Type = Gpr0.Value;
}
class DForm_2<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_base<name, opcode, ppc64, vmx>;
class DForm_2_r0<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_base<name, opcode, ppc64, vmx> {
let Arg1Type = Gpr0.Value;
}
// Currently we make the use/def reg distinction in ISel, not tablegen
class DForm_3<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_1<name, opcode, ppc64, vmx>;
class DForm_4<bits<6> opcode, bit ppc64, bit vmx,
dag OL, string asmstr> : DForm_base<"", opcode, ppc64, vmx> {
let OperandList = OL;
let AsmString = asmstr;
}
class DForm_4_zero<string name, bits<6> opcode, bit ppc64, bit vmx,
dag OL, string asmstr> : DForm_1<"", opcode, ppc64, vmx> {
let ArgCount = 0;
let Arg0Type = 0;
let Arg1Type = 0;
let Arg2Type = 0;
let A = 0;
let B = 0;
let C = 0;
let OperandList = OL;
let AsmString = asmstr;
}
class DForm_5<string name, bits<6> opcode, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<3> BF;
field bits<1> L;
field bits<5> RA;
field bits<16> I;
let ArgCount = 4;
let Arg0Type = Imm3.Value;
let Arg1Type = Imm1.Value;
let Arg2Type = Gpr.Value;
let Arg3Type = Simm16.Value;
let Arg4Type = 0;
let Inst{6-8} = BF;
let Inst{9} = 0;
let Inst{10} = L;
let Inst{11-15} = RA;
let Inst{16-31} = I;
}
class DForm_5_ext<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_5<name, opcode, ppc64, vmx> {
let L = ppc64;
let ArgCount = 3;
let Arg0Type = Imm3.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Simm16.Value;
let Arg3Type = 0;
}
class DForm_6<bits<6> opcode, bit ppc64, bit vmx,
dag OL, string asmstr>
: DForm_5<"", opcode, ppc64, vmx> {
let OperandList = OL;
let AsmString = asmstr;
}
class DForm_6_ext<bits<6> opcode, bit ppc64, bit vmx,
dag OL, string asmstr>
: DForm_6<opcode, ppc64, vmx, OL, asmstr> {
let L = ppc64;
let ArgCount = 3;
let Arg0Type = Imm3.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Simm16.Value;
let Arg3Type = 0;
}
class DForm_7<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_base<name, opcode, ppc64, vmx> {
let Arg1Type = Imm5.Value;
}
class DForm_8<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_1<name, opcode, ppc64, vmx> {
let Arg0Type = Fpr.Value;
}
class DForm_9<string name, bits<6> opcode, bit ppc64, bit vmx>
: DForm_1<name, opcode, ppc64, vmx> {
let Arg0Type = Fpr.Value;
}
// 1.7.5 DS-Form
class DSForm_1<string name, bits<6> opcode, bits<2> xo, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<5> RST;
field bits<14> DS;
field bits<5> RA;
let ArgCount = 3;
let Arg0Type = Gpr.Value;
let Arg1Type = Disimm14.Value;
let Arg2Type = Gpr.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = RST;
let Inst{11-15} = RA;
let Inst{16-29} = DS;
let Inst{30-31} = xo;
}
class DSForm_2<string name, bits<6> opcode, bits<2> xo, bit ppc64, bit vmx>
: DSForm_1<name, opcode, xo, ppc64, vmx>;
// 1.7.6 X-Form
class XForm_base_r3xo<string name, bits<6> opcode, bits<10> xo, bit rc,
bit ppc64, bit vmx> : I<name, opcode, ppc64, vmx> {
field bits<5> RST;
field bits<5> A;
field bits<5> B;
let ArgCount = 3;
let Arg0Type = Gpr.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Gpr.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = RST;
let Inst{11-15} = A;
let Inst{16-20} = B;
let Inst{21-30} = xo;
let Inst{31} = rc;
}
class XForm_1<string name, bits<6> opcode, bits<10> xo, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx>;
class XForm_5<string name, bits<6> opcode, bits<10> xo, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
let ArgCount = 1;
let Arg1Type = 0;
let Arg2Type = 0;
let A = 0;
let B = 0;
}
class XForm_6<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx>;
class XForm_7<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: XForm_base_r3xo<name, opcode, xo, 1, ppc64, vmx>;
class XForm_8<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx>;
class XForm_10<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx> {
let Arg2Type = Imm5.Value;
}
class XForm_11<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx> {
let ArgCount = 2;
let Arg2Type = 0;
let B = 0;
}
class XForm_16<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<3> BF;
field bits<1> L;
field bits<5> RA;
field bits<5> RB;
let ArgCount = 4;
let Arg0Type = Imm3.Value;
let Arg1Type = Imm1.Value;
let Arg2Type = Gpr.Value;
let Arg3Type = Gpr.Value;
let Arg4Type = 0;
let Inst{6-8} = BF;
let Inst{9} = 0;
let Inst{10} = L;
let Inst{11-15} = RA;
let Inst{16-20} = RB;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XForm_16_ext<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: XForm_16<name, opcode, xo, ppc64, vmx> {
let L = ppc64;
}
class XForm_17<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<3> BF;
field bits<5> FRA;
field bits<5> FRB;
let ArgCount = 3;
let Arg0Type = Imm3.Value;
let Arg1Type = Fpr.Value;
let Arg2Type = Fpr.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-8} = BF;
let Inst{9-10} = 0;
let Inst{11-15} = FRA;
let Inst{16-20} = FRB;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XForm_25<string name, bits<6> opcode, bits<10> xo, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
let Arg0Type = Fpr.Value;
let Arg1Type = Gpr0.Value;
}
class XForm_26<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx> {
let ArgCount = 2;
let Arg0Type = Fpr.Value;
let Arg1Type = Fpr.Value;
let Arg2Type = 0;
let A = 0;
}
class XForm_28<string name, bits<6> opcode, bits<10> xo, bit ppc64,
bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
let Arg0Type = Fpr.Value;
let Arg1Type = Gpr0.Value;
}
// 1.7.7 XL-Form
class XLForm_1<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
let Arg0Type = Imm5.Value;
let Arg1Type = Imm5.Value;
let Arg2Type = Imm5.Value;
}
class XLForm_2<string name, bits<6> opcode, bits<10> xo, bit lk, bit ppc64,
bit vmx> : I<name, opcode, ppc64, vmx> {
field bits<5> BO;
field bits<5> BI;
field bits<2> BH;
let ArgCount = 3;
let Arg0Type = Imm5.Value;
let Arg1Type = Imm5.Value;
let Arg2Type = Imm2.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = BO;
let Inst{11-15} = BI;
let Inst{16-18} = 0;
let Inst{19-20} = BH;
let Inst{21-30} = xo;
let Inst{31} = lk;
}
class XLForm_2_ext<string name, bits<6> opcode, bits<10> xo, bits<5> bo,
bits<5> bi, bit lk, bit ppc64, bit vmx>
: XLForm_2<name, opcode, xo, lk, ppc64, vmx> {
let ArgCount = 0;
let Arg0Type = 0;
let Arg1Type = 0;
let Arg2Type = 0;
let BO = bo;
let BI = bi;
let BH = 0;
}
// 1.7.8 XFX-Form
class XFXForm_1<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
field bits<5> ST;
field bits<10> SPR;
let ArgCount = 2;
let Arg0Type = Imm5.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = 0;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = ST;
let Inst{11-20} = SPR;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XFXForm_1_ext<string name, bits<6> opcode, bits<10> xo, bits<10> spr,
bit ppc64, bit vmx> : XFXForm_1<name,opcode,xo,ppc64,vmx> {
let ArgCount = 1;
let Arg0Type = Gpr.Value;
let Arg1Type = 0;
let SPR = spr;
}
class XFXForm_7<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
: XFXForm_1<name, opcode, xo, ppc64, vmx>;
class XFXForm_7_ext<string name, bits<6> opcode, bits<10> xo, bits<10> spr,
bit ppc64, bit vmx> : XFXForm_7<name,opcode,xo,ppc64,vmx> {
let ArgCount = 1;
let Arg0Type = Gpr.Value;
let Arg1Type = 0;
let SPR = spr;
}
// 1.7.10 XS-Form
class XSForm_1<string name, bits<6> opcode, bits<9> xo, bit rc,
bit ppc64, bit vmx> : I<name, opcode, ppc64, vmx> {
field bits<5> RS;
field bits<5> A;
field bits<6> SH;
let ArgCount = 3;
let Arg0Type = Gpr.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Imm6.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = RS;
let Inst{11-15} = A;
let Inst{16-20} = SH{1-5};
let Inst{21-29} = xo;
let Inst{30} = SH{0};
let Inst{31} = rc;
}
// 1.7.11 XO-Form
class XOForm_1<string name, bits<6> opcode, bits<9> xo, bit oe, bit rc,
bit ppc64, bit vmx> : I<name, opcode, ppc64, vmx> {
field bits<5> RT;
field bits<5> RA;
field bits<5> RB;
let ArgCount = 3;
let Arg0Type = Gpr.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Gpr.Value;
let Arg3Type = 0;
let Arg4Type = 0;
let Inst{6-10} = RT;
let Inst{11-15} = RA;
let Inst{16-20} = RB;
let Inst{21} = oe;
let Inst{22-30} = xo;
let Inst{31} = rc;
}
// This is a reversal of the two operands, used notably by extended ops SUB*:
// sub x, y, z == subf x, z, y
// subc x, y, z == subfc x, z, y
class XOForm_1_rev<string name, bits<6> opcode, bits<9> xo, bit oe, bit rc,
bit ppc64, bit vmx>
: XOForm_1<name, opcode, xo, oe, rc, ppc64, vmx> {
let Inst{11-15} = RB;
let Inst{16-20} = RA;
}
class XOForm_2<string name, bits<6> opcode, bits<9> xo, bit rc, bit ppc64,
bit vmx> : XOForm_1<name, opcode, xo, 0, rc, ppc64, vmx>;
class XOForm_3<string name, bits<6> opcode, bits<9> xo, bit oe, bit rc,
bit ppc64, bit vmx> : XOForm_1<name,opcode,xo,oe,rc,ppc64,vmx> {
let RB = 0;
}
// 1.7.12 A-Form
class AForm_1<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
bit vmx> : I<name, opcode, ppc64, vmx> {
let ArgCount = 4;
field bits<5> FRT;
field bits<5> FRA;
field bits<5> FRB;
field bits<5> FRC;
let Arg0Type = Fpr.Value;
let Arg1Type = Fpr.Value;
let Arg2Type = Fpr.Value;
let Arg3Type = Fpr.Value;
let Arg4Type = 0;
let Inst{6-10} = FRT;
let Inst{11-15} = FRA;
let Inst{16-20} = FRB;
let Inst{21-25} = FRC;
let Inst{26-30} = xo;
let Inst{31} = rc;
}
class AForm_2<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
bit vmx> : AForm_1<name, opcode, xo, rc, ppc64, vmx> {
let ArgCount = 3;
let Arg3Type = 0;
let FRC = 0;
}
class AForm_3<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
bit vmx> : AForm_1<name, opcode, xo, rc, ppc64, vmx> {
let ArgCount = 3;
let Arg3Type = 0;
let FRB = 0;
}
class AForm_4<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
bit vmx> : AForm_1<name, opcode, xo, rc, ppc64, vmx> {
let ArgCount = 2;
let Arg2Type = 0;
let Arg3Type = 0;
let FRA = 0;
let FRC = 0;
}
// 1.7.13 M-Form
class MForm_1<string name, bits<6> opcode, bit rc, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
let ArgCount = 5;
field bits<5> RS;
field bits<5> RA;
field bits<5> RB;
field bits<5> MB;
field bits<5> ME;
let Arg0Type = Gpr.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Gpr.Value;
let Arg3Type = Imm5.Value;
let Arg4Type = Imm5.Value;
let Inst{6-10} = RS;
let Inst{11-15} = RA;
let Inst{16-20} = RB;
let Inst{21-25} = MB;
let Inst{26-30} = ME;
let Inst{31} = rc;
}
class MForm_2<string name, bits<6> opcode, bit rc, bit ppc64, bit vmx>
: MForm_1<name, opcode, rc, ppc64, vmx> {
let Arg2Type = Imm5.Value;
}
// 1.7.14 MD-Form
class MDForm_1<string name, bits<6> opcode, bits<3> xo, bit rc, bit ppc64, bit vmx>
: I<name, opcode, ppc64, vmx> {
let ArgCount = 4;
field bits<5> RS;
field bits<5> RA;
field bits<6> SH;
field bits<6> MBE;
let Arg0Type = Gpr.Value;
let Arg1Type = Gpr.Value;
let Arg2Type = Imm6.Value;
let Arg3Type = Imm6.Value;
let Arg4Type = 0;
let Inst{6-10} = RS;
let Inst{11-15} = RA;
let Inst{16-20} = SH{1-5};
let Inst{21-26} = MBE;
let Inst{27-29} = xo;
let Inst{30} = SH{0};
let Inst{31} = rc;
}
//===----------------------------------------------------------------------===//
class Pseudo<string name> : I<name, 0, 0, 0> {
let Name = name;
let ArgCount = 0;
let PPC64 = 0;
let VMX = 0;
let Arg0Type = Pseudo.Value;
let Arg1Type = Pseudo.Value;
let Arg2Type = Pseudo.Value;
let Arg3Type = Pseudo.Value;
let Arg4Type = 0;
let Inst{31-0} = 0;
}