class I<bits<6> opcode, dag OOL, dag IOL, string asmstr, InstrItinClass itin>
: Instruction {
field bits<32> Inst;
+ field bits<32> SoftFail = 0;
+ let Size = 4;
bit PPC64 = 0; // Default value, override with isPPC64
// Fields used for relation models.
string BaseName = "";
+
+ // For cases where multiple instruction definitions really represent the
+ // same underlying instruction but with one definition for 64-bit arguments
+ // and one for 32-bit arguments, this bit breaks the degeneracy between
+ // the two forms and allows TableGen to generate mapping tables.
bit Interpretation64Bit = 0;
}
InstrItinClass itin>
: Instruction {
field bits<64> Inst;
+ field bits<64> SoftFail = 0;
+ let Size = 8;
bit PPC64 = 0; // Default value, override with isPPC64
// 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> {
+ : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
bits<3> CR;
bits<14> BD;
class BForm_2<bits<6> opcode, bits<5> bo, bits<5> bi, bit aa, bit lk,
dag OOL, dag IOL, string asmstr>
- : I<opcode, OOL, IOL, asmstr, BrB> {
+ : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
bits<14> BD;
let Inst{6-10} = bo;
let Inst{31} = lk;
}
+class BForm_3<bits<6> opcode, bit aa, bit lk,
+ dag OOL, dag IOL, string asmstr>
+ : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
+ bits<5> BO;
+ bits<5> BI;
+ bits<14> BD;
+
+ 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_4<bits<6> opcode, bits<5> bo, bit aa, bit lk,
+ dag OOL, dag IOL, string asmstr>
+ : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
+ bits<5> BI;
+ bits<14> BD;
+
+ let Inst{6-10} = bo;
+ let Inst{11-15} = BI;
+ let Inst{16-29} = BD;
+ let Inst{30} = aa;
+ let Inst{31} = lk;
+}
+
+// 1.7.3 SC-Form
+class SCForm<bits<6> opcode, bits<1> xo,
+ dag OOL, dag IOL, string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<7> LEV;
+
+ let Pattern = pattern;
+
+ let Inst{20-26} = LEV;
+ let Inst{30} = xo;
+}
+
// 1.7.4 D-Form
class DForm_base<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
let Addr = 0;
}
+class DForm_4_fixedreg_zero<bits<6> opcode, bits<5> R, dag OOL, dag IOL,
+ string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : DForm_4<opcode, OOL, IOL, asmstr, itin, pattern> {
+ let A = R;
+ let B = R;
+ let C = 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>
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
+class XForm_1a<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 RST = 0;
+}
+
+class XForm_rs<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;
+ let B = 0;
+}
+
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 Inst{31} = 0;
}
+class XForm_mtmsr<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<5> RS;
+ bits<1> L;
+
+ let Inst{6-10} = RS;
+ let Inst{15} = L;
+ let Inst{21-30} = xo;
+}
+
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> {
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> {
+ bits<2> L;
+
let Pattern = pattern;
- let Inst{6-10} = 0;
+ let Inst{6-8} = 0;
+ let Inst{9-10} = L;
let Inst{11-15} = 0;
let Inst{16-20} = 0;
let Inst{21-30} = xo;
let Inst{31} = 0;
}
+class XForm_24_eieio<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
+ string asmstr, InstrItinClass itin, list<dag> pattern>
+ : XForm_24_sync<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
+ let L = 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> {
let Inst{31} = RC;
}
+class XForm_0<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 RST = 0;
+ let A = 0;
+ let B = 0;
+}
+
+class XForm_16b<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 RST = 0;
+ let A = 0;
+}
+
+// XX*-Form (VSX)
+class XX1Form<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<6> XT;
+ bits<5> A;
+ bits<5> B;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = XT{4-0};
+ let Inst{11-15} = A;
+ let Inst{16-20} = B;
+ let Inst{21-30} = xo;
+ let Inst{31} = XT{5};
+}
+
+class XX2Form<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<6> XT;
+ bits<6> XB;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = XT{4-0};
+ let Inst{11-15} = 0;
+ let Inst{16-20} = XB{4-0};
+ let Inst{21-29} = xo;
+ let Inst{30} = XB{5};
+ let Inst{31} = XT{5};
+}
+
+class XX2Form_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<3> CR;
+ bits<6> XB;
+
+ let Pattern = pattern;
+
+ let Inst{6-8} = CR;
+ let Inst{9-15} = 0;
+ let Inst{16-20} = XB{4-0};
+ let Inst{21-29} = xo;
+ let Inst{30} = XB{5};
+ let Inst{31} = 0;
+}
+
+class XX2Form_2<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<6> XT;
+ bits<6> XB;
+ bits<2> D;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = XT{4-0};
+ let Inst{11-13} = 0;
+ let Inst{14-15} = D;
+ let Inst{16-20} = XB{4-0};
+ let Inst{21-29} = xo;
+ let Inst{30} = XB{5};
+ let Inst{31} = XT{5};
+}
+
+class XX3Form<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<6> XT;
+ bits<6> XA;
+ bits<6> XB;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = XT{4-0};
+ let Inst{11-15} = XA{4-0};
+ let Inst{16-20} = XB{4-0};
+ let Inst{21-28} = xo;
+ let Inst{29} = XA{5};
+ let Inst{30} = XB{5};
+ let Inst{31} = XT{5};
+}
+
+class XX3Form_1<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<3> CR;
+ bits<6> XA;
+ bits<6> XB;
+
+ let Pattern = pattern;
+
+ let Inst{6-8} = CR;
+ let Inst{9-10} = 0;
+ let Inst{11-15} = XA{4-0};
+ let Inst{16-20} = XB{4-0};
+ let Inst{21-28} = xo;
+ let Inst{29} = XA{5};
+ let Inst{30} = XB{5};
+ let Inst{31} = 0;
+}
+
+class XX3Form_2<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<6> XT;
+ bits<6> XA;
+ bits<6> XB;
+ bits<2> D;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = XT{4-0};
+ let Inst{11-15} = XA{4-0};
+ let Inst{16-20} = XB{4-0};
+ let Inst{21} = 0;
+ let Inst{22-23} = D;
+ let Inst{24-28} = xo;
+ let Inst{29} = XA{5};
+ let Inst{30} = XB{5};
+ let Inst{31} = XT{5};
+}
+
+class XX3Form_Rc<bits<6> opcode, bits<7> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<6> XT;
+ bits<6> XA;
+ bits<6> XB;
+
+ let Pattern = pattern;
+
+ bit RC = 0; // set by isDOT
+
+ let Inst{6-10} = XT{4-0};
+ let Inst{11-15} = XA{4-0};
+ let Inst{16-20} = XB{4-0};
+ let Inst{21} = RC;
+ let Inst{22-28} = xo;
+ let Inst{29} = XA{5};
+ let Inst{30} = XB{5};
+ let Inst{31} = XT{5};
+}
+
+class XX4Form<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<6> XT;
+ bits<6> XA;
+ bits<6> XB;
+ bits<6> XC;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = XT{4-0};
+ let Inst{11-15} = XA{4-0};
+ let Inst{16-20} = XB{4-0};
+ let Inst{21-25} = XC{4-0};
+ let Inst{26-27} = xo;
+ let Inst{28} = XC{5};
+ let Inst{29} = XA{5};
+ let Inst{30} = XB{5};
+ let Inst{31} = XT{5};
+}
+
// 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>
let BH = 0;
}
+class XLForm_2_br2<bits<6> opcode, bits<10> xo, bits<5> bo, 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 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>
let Inst{31} = RC;
}
+class MDSForm_1<bits<6> opcode, bits<4> 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<5> RB;
+ 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} = RB;
+ let Inst{21-26} = MBE{4,3,2,1,0,5};
+ let Inst{27-30} = xo;
+ let Inst{31} = RC;
+}
// E-1 VA-Form
projects / oota-llvm.git / blobdiff