llvm-6502/lib/Target/SparcV9/SparcV9_F3.td
2003-07-07 22:18:06 +00:00

264 lines
6.2 KiB
C++

//===- Sparc.td - Target Description for Sparc V9 Target --------*- C++ -*-===//
// vim:ft=cpp
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Format #3 classes
//
// F3 - Common superclass of all F3 instructions. All instructions have an op3
// field.
class F3 : InstV9 {
bits<6> op3;
set op{1} = 1; // Op = 2 or 3
set Inst{24-19} = op3;
}
// F3_rs1 - Common class of instructions that have an rs1 field
class F3_rs1 : F3 {
bits<5> rs1;
set 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;
set 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;
}
// 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;
}
class F3_rs1simm13rd : F3_rs1simm13 {
bits<5> rd;
set Inst{29-25} = rd;
}
// F3_rs1rd - Common class of instructions that have an rs1 and rd fields
class F3_rs1rd : F3_rs1 {
bits<5> rd;
set Inst{29-25} = rd;
}
// F3_rs2 - Common class of instructions that don't use an rs1
class F3_rs2 : F3 {
bits<5> rs2;
set Inst{4-0} = rs2;
}
// F3_rs2rd - Common class of instructions that use rs2 and rd, but not rs1
class F3_rs2rd : F3_rs2 {
bits<5> rd;
set Inst{29-25} = rd;
}
// F3_rd - Common class of instructions that have an rd field
class F3_rd : F3 {
bits<5> rd;
set Inst{29-25} = rd;
}
// F3_rdrs1 - Common class of instructions that have rd and rs1 fields
class F3_rdrs1 : F3_rd {
bits<5> rs1;
set 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;
}
// F3_rdrs1rs2 - Common class of instructions that have rd, rs1, and rs2 fields
class F3_rdrs1rs2 : F3_rdrs1 {
bits<5> rs2;
set Inst{4-0} = rs2;
}
// Specific F3 classes...
//
class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2rd {
set op = opVal;
set op3 = op3val;
set Name = name;
set Inst{13} = 0; // i field = 0
set 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 {
set op = opVal;
set op3 = op3val;
set Name = name;
set Inst{13} = 0; // i field = 0
set Inst{12-5} = 0; // don't care
}
class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3_rs1simm13rd {
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 {
set op = opVal;
set op3 = op3val;
set Name = name;
set 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{29-25} = 0; // don't care
set Inst{13} = 0; // i field = 0
set 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} = 0; // don't care
set Inst{13} = 1; // i field = 1
set Inst{12-0} = simm;
}
class F3_5<bits<2> opVal, bits<6> op3Val, bits<3> rcondVal,
string name> : F3_rs1rs2rd {
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{13} = 0; // i field = 0
set Inst{12-10} = rcondVal; // rcond field
set 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;
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{29-25} = rd;
set Inst{13} = 1; // i field = 1
set Inst{12-10} = rcondVal; // rcond field
set 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} = 0; // don't care
}
class F3_12<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1 {
bits<5> shcnt;
bits<5> rd;
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{29-25} = rd;
set Inst{13} = 1; // i field = 1
set Inst{12} = 0; // x field = 0
set Inst{11-5} = 0; // don't care
set Inst{4-0} = shcnt;
}
class F3_13<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1 {
bits<6> shcnt;
bits<5> rd;
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{29-25} = rd;
set Inst{13} = 1; // i field = 1
set Inst{12} = 1; // x field = 1
set Inst{11-6} = 0; // don't care
set Inst{5-0} = shcnt;
}
class F3_14<bits<2> opVal, bits<6> op3Val,
bits<9> opfVal, string name> : F3_rs2rd {
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{18-14} = 0; // don't care
set 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;
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{29-27} = 0; // defined to be zero
set Inst{26-25} = cc;
set Inst{18-14} = rs1;
set Inst{13-5} = opfVal;
set Inst{4-0} = rs2;
}
class F3_16<bits<2> opVal, bits<6> op3Val,
bits<9> opfval, string name> : F3_rs1rs2rd {
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{13-5} = opfval;
}
class F3_17<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1rd {
set op = opVal;
set op3 = op3Val;
set Name = name;
set 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 } = 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;
set Inst{18-0} = 0; // don't care
}
// FIXME: class F3_20
// FIXME: class F3_21