//===- PowerPCInstrFormats.td - PowerPC Instruction Formats --*- tablegen -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
//
// PowerPC instruction formats
class I<bits<6> opcode, dag OOL, dag IOL, string asmstr, InstrItinClass itin>
: Instruction {
field bits<32> Inst;
bit PPC64 = 0; // Default value, override with isPPC64
let Namespace = "PPC";
let Inst{0-5} = opcode;
let OutOperandList = OOL;
let InOperandList = IOL;
let AsmString = asmstr;
let Itinerary = itin;
bits<1> PPC970_First = 0;
bits<1> PPC970_Single = 0;
bits<1> PPC970_Cracked = 0;
bits<3> PPC970_Unit = 0;
/// These fields correspond to the fields in PPCInstrInfo.h. Any changes to
/// these must be reflected there! See comments there for what these are.
let TSFlags{0} = PPC970_First;
let TSFlags{1} = PPC970_Single;
let TSFlags{2} = PPC970_Cracked;
let TSFlags{5-3} = PPC970_Unit;
}
class PPC970_DGroup_First { bits<1> PPC970_First = 1; }
class PPC970_DGroup_Single { bits<1> PPC970_Single = 1; }
class PPC970_DGroup_Cracked { bits<1> PPC970_Cracked = 1; }
class PPC970_MicroCode;
class PPC970_Unit_Pseudo { bits<3> PPC970_Unit = 0; }
class PPC970_Unit_FXU { bits<3> PPC970_Unit = 1; }
class PPC970_Unit_LSU { bits<3> PPC970_Unit = 2; }
class PPC970_Unit_FPU { bits<3> PPC970_Unit = 3; }
class PPC970_Unit_CRU { bits<3> PPC970_Unit = 4; }
class PPC970_Unit_VALU { bits<3> PPC970_Unit = 5; }
class PPC970_Unit_VPERM { bits<3> PPC970_Unit = 6; }
class PPC970_Unit_BRU { bits<3> PPC970_Unit = 7; }
// Two joined instructions; used to emit two adjacent instructions as one.
// The itinerary from the first instruction is used for scheduling and
// classification.
class I2<bits<6> opcode1, bits<6> opcode2, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: Instruction {
field bits<64> Inst;
bit PPC64 = 0; // Default value, override with isPPC64
let Namespace = "PPC";
let Inst{0-5} = opcode1;
let Inst{32-37} = opcode2;
let OutOperandList = OOL;
let InOperandList = IOL;
let AsmString = asmstr;
let Itinerary = itin;
bits<1> PPC970_First = 0;
bits<1> PPC970_Single = 0;
bits<1> PPC970_Cracked = 0;
bits<3> PPC970_Unit = 0;
/// These fields correspond to the fields in PPCInstrInfo.h. Any changes to
/// these must be reflected there! See comments there for what these are.
let TSFlags{0} = PPC970_First;
let TSFlags{1} = PPC970_Single;
let TSFlags{2} = PPC970_Cracked;
let TSFlags{5-3} = PPC970_Unit;
}
// 1.7.1 I-Form
class IForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
let Pattern = pattern;
bits<24> LI;
let Inst{6-29} = LI;
let Inst{30} = aa;
let Inst{31} = lk;
}
class IForm_ext<bits<6> opcode, bits<5> bo, bit aa, bit lk, dag OOL, dag IOL,
string asmstr, InstrItinClass itin, list<dag> pattern>
: IForm<opcode, aa, lk, OOL, IOL, asmstr, itin, pattern> {
let LI{0-4} = bo;
}
// 1.7.2 B-Form
class BForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr>
: I<opcode, OOL, IOL, asmstr, BrB> {
bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
bits<3> CR;
bits<14> BD;
bits<5> BI;
let BI{0-1} = BIBO{5-6};
let BI{2-4} = CR{0-2};
let Inst{6-10} = BIBO{4-0};
let Inst{11-15} = BI;
let Inst{16-29} = BD;
let Inst{30} = aa;
let Inst{31} = lk;
}
// 1.7.4 D-Form
class DForm_base<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<5> B;
bits<16> C;
let Pattern = pattern;
let Inst{6-10} = A;
let Inst{11-15} = B;
let Inst{16-31} = C;
}
class DForm_1<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<21> Addr;
let Pattern = pattern;
let Inst{6-10} = A;
let Inst{11-15} = Addr{20-16}; // Base Reg
let Inst{16-31} = Addr{15-0}; // Displacement
}
class DForm_1a<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<16> C;
bits<5> B;
let Pattern = pattern;
let Inst{6-10} = A;
let Inst{11-15} = B;
let Inst{16-31} = C;
}
class DForm_2<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: DForm_base<opcode, OOL, IOL, asmstr, itin, pattern>;
class DForm_2_r0<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<16> B;
let Pattern = pattern;
let Inst{6-10} = A;
let Inst{11-15} = 0;
let Inst{16-31} = B;
}
class DForm_4<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> B;
bits<5> A;
bits<16> C;
let Pattern = pattern;
let Inst{6-10} = A;
let Inst{11-15} = B;
let Inst{16-31} = C;
}
class DForm_4_zero<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: DForm_1<opcode, OOL, IOL, asmstr, itin, pattern> {
let A = 0;
let Addr = 0;
}
class IForm_and_DForm_1<bits<6> opcode1, bit aa, bit lk, bits<6> opcode2,
dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<21> Addr;
let Pattern = pattern;
bits<24> LI;
let Inst{6-29} = LI;
let Inst{30} = aa;
let Inst{31} = lk;
let Inst{38-42} = A;
let Inst{43-47} = Addr{20-16}; // Base Reg
let Inst{48-63} = Addr{15-0}; // Displacement
}
// This is used to emit BL8+NOP.
class IForm_and_DForm_4_zero<bits<6> opcode1, bit aa, bit lk, bits<6> opcode2,
dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: IForm_and_DForm_1<opcode1, aa, lk, opcode2,
OOL, IOL, asmstr, itin, pattern> {
let A = 0;
let Addr = 0;
}
class DForm_5<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<3> BF;
bits<1> L;
bits<5> RA;
bits<16> I;
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<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: DForm_5<opcode, OOL, IOL, asmstr, itin> {
let L = PPC64;
}
class DForm_6<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: DForm_5<opcode, OOL, IOL, asmstr, itin>;
class DForm_6_ext<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: DForm_6<opcode, OOL, IOL, asmstr, itin> {
let L = PPC64;
}
// 1.7.5 DS-Form
class DSForm_1<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RST;
bits<19> DS_RA;
let Pattern = pattern;
let Inst{6-10} = RST;
let Inst{11-15} = DS_RA{18-14}; // Register #
let Inst{16-29} = DS_RA{13-0}; // Displacement.
let Inst{30-31} = xo;
}
class DSForm_1a<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RST;
bits<14> DS;
bits<5> RA;
let Pattern = pattern;
let Inst{6-10} = RST;
let Inst{11-15} = RA;
let Inst{16-29} = DS;
let Inst{30-31} = xo;
}
// 1.7.6 X-Form
class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RST;
bits<5> A;
bits<5> B;
let Pattern = pattern;
bit RC = 0; // set by isDOT
let Inst{6-10} = RST;
let Inst{11-15} = A;
let Inst{16-20} = B;
let Inst{21-30} = xo;
let Inst{31} = RC;
}
// This is the same as XForm_base_r3xo, but the first two operands are swapped
// when code is emitted.
class XForm_base_r3xo_swapped
<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<5> RST;
bits<5> B;
bit RC = 0; // set by isDOT
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<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
class XForm_6<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
let Pattern = pattern;
}
class XForm_8<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
class XForm_10<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
let Pattern = pattern;
}
class XForm_11<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
let B = 0;
let Pattern = pattern;
}
class XForm_16<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<3> BF;
bits<1> L;
bits<5> RA;
bits<5> RB;
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<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: XForm_16<opcode, xo, OOL, IOL, asmstr, itin> {
let L = PPC64;
}
class XForm_17<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<3> BF;
bits<5> FRA;
bits<5> FRB;
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_24<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
let Pattern = pattern;
let Inst{6-10} = 31;
let Inst{11-15} = 0;
let Inst{16-20} = 0;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XForm_24_sync<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
string asmstr, InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
let Pattern = pattern;
let Inst{6-10} = 0;
let Inst{11-15} = 0;
let Inst{16-20} = 0;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XForm_25<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
}
class XForm_26<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
let A = 0;
}
class XForm_28<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
}
// This is used for MFFS, MTFSB0, MTFSB1. 42 is arbitrary; this series of
// numbers presumably relates to some document, but I haven't found it.
class XForm_42<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
let Pattern = pattern;
bit RC = 0; // set by isDOT
let Inst{6-10} = RST;
let Inst{11-20} = 0;
let Inst{21-30} = xo;
let Inst{31} = RC;
}
class XForm_43<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
let Pattern = pattern;
bits<5> FM;
bit RC = 0; // set by isDOT
let Inst{6-10} = FM;
let Inst{11-20} = 0;
let Inst{21-30} = xo;
let Inst{31} = RC;
}
// DCB_Form - Form X instruction, used for dcb* instructions.
class DCB_Form<bits<10> xo, bits<5> immfield, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<31, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<5> B;
let Pattern = pattern;
let Inst{6-10} = immfield;
let Inst{11-15} = A;
let Inst{16-20} = B;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
// DSS_Form - Form X instruction, used for altivec dss* instructions.
class DSS_Form<bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<31, OOL, IOL, asmstr, itin> {
bits<1> T;
bits<2> STRM;
bits<5> A;
bits<5> B;
let Pattern = pattern;
let Inst{6} = T;
let Inst{7-8} = 0;
let Inst{9-10} = STRM;
let Inst{11-15} = A;
let Inst{16-20} = B;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
// 1.7.7 XL-Form
class XLForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> CRD;
bits<5> CRA;
bits<5> CRB;
let Pattern = pattern;
let Inst{6-10} = CRD;
let Inst{11-15} = CRA;
let Inst{16-20} = CRB;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XLForm_1_ext<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> CRD;
let Pattern = pattern;
let Inst{6-10} = CRD;
let Inst{11-15} = CRD;
let Inst{16-20} = CRD;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> BO;
bits<5> BI;
bits<2> BH;
let Pattern = pattern;
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_br<bits<6> opcode, bits<10> xo, bit lk,
dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
: XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
bits<3> CR;
let BO = BIBO{2-6};
let BI{0-1} = BIBO{0-1};
let BI{2-4} = CR;
let BH = 0;
}
class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo, bits<5> bi, bit lk,
dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
: XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
let BO = bo;
let BI = bi;
let BH = 0;
}
class XLForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<3> BF;
bits<3> BFA;
let Inst{6-8} = BF;
let Inst{9-10} = 0;
let Inst{11-13} = BFA;
let Inst{14-15} = 0;
let Inst{16-20} = 0;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
// 1.7.8 XFX-Form
class XFXForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RT;
bits<10> SPR;
let Inst{6-10} = RT;
let Inst{11} = SPR{4};
let Inst{12} = SPR{3};
let Inst{13} = SPR{2};
let Inst{14} = SPR{1};
let Inst{15} = SPR{0};
let Inst{16} = SPR{9};
let Inst{17} = SPR{8};
let Inst{18} = SPR{7};
let Inst{19} = SPR{6};
let Inst{20} = SPR{5};
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
dag OOL, dag IOL, string asmstr, InstrItinClass itin>
: XFXForm_1<opcode, xo, OOL, IOL, asmstr, itin> {
let SPR = spr;
}
class XFXForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RT;
let Inst{6-10} = RT;
let Inst{11-20} = 0;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XFXForm_5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<8> FXM;
bits<5> ST;
let Inst{6-10} = ST;
let Inst{11} = 0;
let Inst{12-19} = FXM;
let Inst{20} = 0;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> ST;
bits<8> FXM;
let Inst{6-10} = ST;
let Inst{11} = 1;
let Inst{12-19} = FXM;
let Inst{20} = 0;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
class XFXForm_7<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: XFXForm_1<opcode, xo, OOL, IOL, asmstr, itin>;
class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
dag OOL, dag IOL, string asmstr, InstrItinClass itin>
: XFXForm_7<opcode, xo, OOL, IOL, asmstr, itin> {
let SPR = spr;
}
// XFL-Form - MTFSF
// This is probably 1.7.9, but I don't have the reference that uses this
// numbering scheme...
class XFLForm<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
string cstr, InstrItinClass itin, list<dag>pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<8> FM;
bits<5> RT;
bit RC = 0; // set by isDOT
let Pattern = pattern;
let Constraints = cstr;
let Inst{6} = 0;
let Inst{7-14} = FM;
let Inst{15} = 0;
let Inst{16-20} = RT;
let Inst{21-30} = xo;
let Inst{31} = RC;
}
// 1.7.10 XS-Form - SRADI.
class XSForm_1<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> A;
bits<5> RS;
bits<6> SH;
bit RC = 0; // set by isDOT
let Pattern = pattern;
let Inst{6-10} = RS;
let Inst{11-15} = A;
let Inst{16-20} = SH{4,3,2,1,0};
let Inst{21-29} = xo;
let Inst{30} = SH{5};
let Inst{31} = RC;
}
// 1.7.11 XO-Form
class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RT;
bits<5> RA;
bits<5> RB;
let Pattern = pattern;
bit RC = 0; // set by isDOT
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;
}
class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
: XOForm_1<opcode, xo, oe, OOL, IOL, asmstr, itin, pattern> {
let RB = 0;
}
// 1.7.12 A-Form
class AForm_1<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> FRT;
bits<5> FRA;
bits<5> FRC;
bits<5> FRB;
let Pattern = pattern;
bit RC = 0; // set by isDOT
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<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
let FRC = 0;
}
class AForm_3<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
let FRB = 0;
}
// 1.7.13 M-Form
class MForm_1<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RA;
bits<5> RS;
bits<5> RB;
bits<5> MB;
bits<5> ME;
let Pattern = pattern;
bit RC = 0; // set by isDOT
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<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: MForm_1<opcode, OOL, IOL, asmstr, itin, pattern> {
}
// 1.7.14 MD-Form
class MDForm_1<bits<6> opcode, bits<3> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<5> RA;
bits<5> RS;
bits<6> SH;
bits<6> MBE;
let Pattern = pattern;
bit RC = 0; // set by isDOT
let Inst{6-10} = RS;
let Inst{11-15} = RA;
let Inst{16-20} = SH{4,3,2,1,0};
let Inst{21-26} = MBE{4,3,2,1,0,5};
let Inst{27-29} = xo;
let Inst{30} = SH{5};
let Inst{31} = RC;
}
// E-1 VA-Form
// VAForm_1 - DACB ordering.
class VAForm_1<bits<6> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
bits<5> VA;
bits<5> VC;
bits<5> VB;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = VA;
let Inst{16-20} = VB;
let Inst{21-25} = VC;
let Inst{26-31} = xo;
}
// VAForm_1a - DABC ordering.
class VAForm_1a<bits<6> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
bits<5> VA;
bits<5> VB;
bits<5> VC;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = VA;
let Inst{16-20} = VB;
let Inst{21-25} = VC;
let Inst{26-31} = xo;
}
class VAForm_2<bits<6> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
bits<5> VA;
bits<5> VB;
bits<4> SH;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = VA;
let Inst{16-20} = VB;
let Inst{21} = 0;
let Inst{22-25} = SH;
let Inst{26-31} = xo;
}
// E-2 VX-Form
class VXForm_1<bits<11> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
bits<5> VA;
bits<5> VB;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = VA;
let Inst{16-20} = VB;
let Inst{21-31} = xo;
}
class VXForm_setzero<bits<11> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: VXForm_1<xo, OOL, IOL, asmstr, itin, pattern> {
let VA = VD;
let VB = VD;
}
class VXForm_2<bits<11> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
bits<5> VB;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = 0;
let Inst{16-20} = VB;
let Inst{21-31} = xo;
}
class VXForm_3<bits<11> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
bits<5> IMM;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = IMM;
let Inst{16-20} = 0;
let Inst{21-31} = xo;
}
/// VXForm_4 - VX instructions with "VD,0,0" register fields, like mfvscr.
class VXForm_4<bits<11> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = 0;
let Inst{16-20} = 0;
let Inst{21-31} = xo;
}
/// VXForm_5 - VX instructions with "0,0,VB" register fields, like mtvscr.
class VXForm_5<bits<11> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VB;
let Pattern = pattern;
let Inst{6-10} = 0;
let Inst{11-15} = 0;
let Inst{16-20} = VB;
let Inst{21-31} = xo;
}
// E-4 VXR-Form
class VXRForm_1<bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OOL, IOL, asmstr, itin> {
bits<5> VD;
bits<5> VA;
bits<5> VB;
bit RC = 0;
let Pattern = pattern;
let Inst{6-10} = VD;
let Inst{11-15} = VA;
let Inst{16-20} = VB;
let Inst{21} = RC;
let Inst{22-31} = xo;
}
//===----------------------------------------------------------------------===//
class Pseudo<dag OOL, dag IOL, string asmstr, list<dag> pattern>
: I<0, OOL, IOL, asmstr, NoItinerary> {
let PPC64 = 0;
let Pattern = pattern;
let Inst{31-0} = 0;
}