-//===- Sparc.td - Target Description for Sparc V9 Target --------*- C++ -*-===//
-// vim:ft=cpp
+//===- SparcV9_F3.td - SparcV9 Format 3 Instructions -------*- 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.
+//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// field.
class F3 : InstV9 {
bits<6> op3;
- set op{1} = 1; // Op = 2 or 3
- set Inst{24-19} = op3;
+ let op{1} = 1; // Op = 2 or 3
+ let Inst{24-19} = op3;
}
-class F3_rd : F3 {
+// F3_rs1 - Common class of instructions that have an rs1 field
+class F3_rs1 : F3 {
+ bits<5> rs1;
+ let Inst{18-14} = rs1;
+}
+
+// F3_rs1rs2 - Common class of instructions that only have rs1 and rs2 fields
+class F3_rs1rs2 : F3_rs1 {
+ bits<5> rs2;
+ let Inst{4-0} = rs2;
+}
+
+// F3_rs1rs2 - Common class of instructions that only have rs1 and rs2 fields
+class F3_rs1rs2rd : F3_rs1rs2 {
bits<5> rd;
- set Inst{29-25} = rd;
+ let Inst{29-25} = rd;
}
-class F3_rdsimm13 : F3_rd {
+// F3_rs1simm13 - Common class of instructions that only have rs1 and simm13
+class F3_rs1simm13 : F3_rs1 {
bits<13> simm13;
- set Inst{12-0} = simm13;
+ let Inst{12-0} = simm13;
}
-class F3_rdsimm13rs1 : F3_rdsimm13 {
- bits<5> rs1;
- set Inst{18-14} = rs1;
+class F3_rs1simm13rd : F3_rs1simm13 {
+ bits<5> rd;
+ let Inst{29-25} = rd;
}
-// F3_rdrs1 - Common superclass of instructions that use rd & rs1
-class F3_rdrs1 : F3_rd {
- bits<5> rs1;
- set Inst{18-14} = rs1;
+// F3_rs1rd - Common class of instructions that have an rs1 and rd fields
+class F3_rs1rd : F3_rs1 {
+ bits<5> rd;
+ let Inst{29-25} = rd;
}
-// F3_rs1rdrs2 - Common superclass of instructions with rd, rs1, & rs2 fields
-class F3_rdrs1rs2 : F3_rdrs1 {
+// F3_rs2 - Common class of instructions that don't use an rs1
+class F3_rs2 : F3 {
bits<5> rs2;
- set Inst{4-0} = rs2;
+ let Inst{4-0} = rs2;
}
-// F3_rs1 - Common class of instructions that do not have an rd field,
-// but start at rs1
-class F3_rs1 : F3 {
- bits<5> rs1;
- //set Inst{29-25} = dontcare;
- set Inst{18-14} = rs1;
+// F3_rs2rd - Common class of instructions that use rs2 and rd, but not rs1
+class F3_rs2rd : F3_rs2 {
+ bits<5> rd;
+ let Inst{29-25} = rd;
}
-// F3_rs1rs2 - Common class of instructions that only have rs1 and rs2 fields
-class F3_rs1rs2 : F3_rs1 {
- bits<5> rs2;
- //set Inst{12-5} = dontcare;
- set Inst{4-0} = rs2;
+// F3_rd - Common class of instructions that have an rd field
+class F3_rd : F3 {
+ bits<5> rd;
+ let Inst{29-25} = rd;
}
-// F3_rs1simm13 - Common class of instructions that only have rs1 and simm13
-class F3_rs1simm13 : F3_rs1 {
+// F3_rdrs1 - Common class of instructions that have rd and rs1 fields
+class F3_rdrs1 : F3_rd {
+ bits<5> rs1;
+ let Inst{18-14} = rs1;
+}
+
+// F3_rdrs1simm13 - Common class of instructions that have rd, rs1, and simm13
+class F3_rdrs1simm13 : F3_rdrs1 {
bits<13> simm13;
- set Inst{12-0} = simm13;
+ let Inst{12-0} = simm13;
+}
+
+// F3_rdrs1rs2 - Common class of instructions that have rd, rs1, and rs2 fields
+class F3_rdrs1rs2 : F3_rdrs1 {
+ bits<5> rs2;
+ let Inst{4-0} = rs2;
}
// Specific F3 classes...
//
-class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rdrs1rs2 {
- set op = opVal;
- set op3 = op3val;
- set Name = name;
- set Inst{13} = 0; // i field = 0
- //set Inst{12-5} = dontcare;
+class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2rd {
+ let op = opVal;
+ let op3 = op3val;
+ let Name = name;
+ let Inst{13} = 0; // i field = 0
+ let Inst{12-5} = 0; // don't care
+}
+
+// The store instructions seem to like to see rd first, then rs1 and rs2
+class F3_1rd<bits<2> opVal, bits<6> op3val, string name> : F3_rdrs1rs2 {
+ let op = opVal;
+ let op3 = op3val;
+ let Name = name;
+ let Inst{13} = 0; // i field = 0
+ let Inst{12-5} = 0; // don't care
+}
+
+class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3_rs1simm13rd {
+ let op = opVal;
+ let op3 = op3val;
+ let Name = name;
+ let Inst{13} = 1; // i field = 1
}
-class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3_rdsimm13rs1 {
- set op = opVal;
- set op3 = op3val;
- set Name = name;
- set Inst{13} = 1; // i field = 1
+// The store instructions seem to like to see rd first, then rs1 and imm
+class F3_2rd<bits<2> opVal, bits<6> op3val, string name> : F3_rdrs1simm13 {
+ let op = opVal;
+ let op3 = op3val;
+ let Name = name;
+ let Inst{13} = 1; // i field = 1
}
-class F3_3<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2 {
- set op = opVal;
- set op3 = op3val;
- set Name = name;
- set Inst{13} = 0;
+class F3_3<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2 {
+ let op = opVal;
+ let op3 = op3val;
+ let Name = name;
+ let Inst{29-25} = 0; // don't care
+ let Inst{13} = 0; // i field = 0
+ let Inst{12-5} = 0; // don't care
}
-class F3_4<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1simm13 {
- bits<13> simm;
- set op = opVal;
- set op3 = op3Val;
- set Name = name;
- //set Inst{29-25} = dontcare;
- set Inst{13} = 1;
- set Inst{12-0} = simm;
+class F3_4<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1simm13 {
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{29-25} = 0; // don't care
+ let Inst{13} = 1; // i field = 1
+ let Inst{12-0} = simm13;
}
-class F3_11<bits<2> opVal, bits<6> op3Val, string name> : F3_rdrs1rs2 {
+class F3_5<bits<2> opVal, bits<6> op3Val, bits<3> rcondVal,
+ string name> : F3_rs1rs2rd {
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{13} = 0; // i field = 0
+ let Inst{12-10} = rcondVal; // rcond field
+ let Inst{9-5} = 0; // don't care
+}
+
+class F3_6<bits<2> opVal, bits<6> op3Val, bits<3> rcondVal,
+ string name> : F3_rs1 {
+ bits<10> simm10;
+ bits<5> rd;
+
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{29-25} = rd;
+ let Inst{13} = 1; // i field = 1
+ let Inst{12-10} = rcondVal; // rcond field
+ let Inst{9-0} = simm10;
+}
+
+//FIXME: classes 7-10 not defined!!
+
+class F3_11<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1rs2rd {
bit x;
- set op = opVal;
- set op3 = op3Val;
- set Name = name;
- set Inst{13} = 0; // i field = 0
- set Inst{12} = x;
- //set Inst{11-5} = dontcare;
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{13} = 0; // i field = 0
+ let Inst{12} = x;
+ let Inst{11-5} = 0; // don't care
}
-class F3_12<bits<2> opVal, bits<6> op3Val, string name> : F3 {
+class F3_12<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1 {
bits<5> shcnt;
+ bits<5> rd;
- set Name = name;
- set Inst{13} = 1; // i field = 1
- set Inst{12} = 0; // x field = 0
- //set Inst{11-5} = dontcare;
- set Inst{4-0} = shcnt;
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{29-25} = rd;
+ let Inst{13} = 1; // i field = 1
+ let Inst{12} = 0; // x field = 0
+ let Inst{11-5} = 0; // don't care
+ let Inst{4-0} = shcnt;
}
-class F3_13<bits<2> opVal, bits<6> op3Val, string name> : F3 {
+class F3_13<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1 {
bits<6> shcnt;
+ bits<5> rd;
- set Name = name;
- set Inst{13} = 1; // i field = 1
- set Inst{12} = 1; // x field = 1
- //set Inst{11-6} = dontcare;
- set Inst{5-0} = shcnt;
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{29-25} = rd;
+ let Inst{13} = 1; // i field = 1
+ let Inst{12} = 1; // x field = 1
+ let Inst{11-6} = 0; // don't care
+ let Inst{5-0} = shcnt;
}
class F3_14<bits<2> opVal, bits<6> op3Val,
- bits<9> opfval, string name> : F3_rdrs1rs2 {
- set op = opVal;
- set op3 = op3Val;
- set Name = name;
- //set Inst{18-14} = dontcare;
- set Inst{13-5} = opfval;
+ bits<9> opfVal, string name> : F3_rs2rd {
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{18-14} = 0; // don't care
+ let Inst{13-5} = opfVal;
+}
+
+class F3_15<bits<2> opVal, bits<6> op3Val,
+ bits<9> opfVal, string name> : F3 {
+ bits<2> cc;
+ bits<5> rs1;
+ bits<5> rs2;
+
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{29-27} = 0; // defined to be zero
+ let Inst{26-25} = cc;
+ let Inst{18-14} = rs1;
+ let Inst{13-5} = opfVal;
+ let Inst{4-0} = rs2;
}
class F3_16<bits<2> opVal, bits<6> op3Val,
- bits<9> opfval, string name> : F3_rdrs1rs2 {
- set op = opVal;
- set op3 = op3Val;
- set Name = name;
- set Inst{13-5} = opfval;
+ bits<9> opfval, string name> : F3_rs1rs2rd {
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{13-5} = opfval;
}
-class F3_17<bits<2> opVal, bits<6> op3Val, string name> : F3_rdrs1 {
- set op = opVal;
- set op3 = op3Val;
- set Name = name;
- //Inst{13-0} = dontcare;
+class F3_17<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1rd {
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{13-0} = 0; // don't care
}
class F3_18<bits<5> fcn, string name> : F3 {
- set op = 2;
- set op3 = 0b111110;
- set Name = name;
- set Inst{29-25} = fcn;
- //set Inst{18-0 } = dontcare;
+ let op = 2;
+ let op3 = 0b111110;
+ let Name = name;
+ let Inst{29-25} = fcn;
+ let Inst{18-0 } = 0; // don't care;
}
class F3_19<bits<2> opVal, bits<6> op3Val, string name> : F3_rd {
- set op = opVal;
- set op3 = op3Val;
- set Name = name;
- //Inst{18-0} = dontcare;
+ let op = opVal;
+ let op3 = op3Val;
+ let Name = name;
+ let Inst{18-0} = 0; // don't care
}
// FIXME: class F3_20