+ 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;
+
+ // 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;
+}
+
+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;
+
+ // Fields used for relation models.
+ string BaseName = "";
+ bit Interpretation64Bit = 0;