Commit 4c8817cd authored by Miloš Stojanović's avatar Miloš Stojanović
Browse files

[mips][NFC] Remove unused instruction formats 

`BranchBase` unused sice: rL170663
`FI` unsused since: rL170954
`FFI` unused since: rL190221

Differential revision: https://reviews.llvm.org/D73489
parent 3d1f0ce3

llvm/lib/Target/Mips/MipsInstrFormats.td

+0 −47
Original line number Diff line number Diff line
@@ -168,39 +168,6 @@ class FR<bits<6> op, bits<6> _funct, dag outs, dag ins, string asmstr, 
  let Inst{5-0}   = funct;

}



//===----------------------------------------------------------------------===//

// Format I instruction class in Mips : <|opcode|rs|rt|immediate|>

//===----------------------------------------------------------------------===//



class FI<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,

         InstrItinClass itin>: InstSE<outs, ins, asmstr, pattern, itin, FrmI>

{

  bits<5>  rt;

  bits<5>  rs;

  bits<16> imm16;



  let Opcode = op;



  let Inst{25-21} = rs;

  let Inst{20-16} = rt;

  let Inst{15-0}  = imm16;

}



class BranchBase<bits<6> op, dag outs, dag ins, string asmstr,

                  list<dag> pattern, InstrItinClass itin>:

  InstSE<outs, ins, asmstr, pattern, itin, FrmI>

{

  bits<5>  rs;

  bits<5>  rt;

  bits<16> imm16;



  let Opcode = op;



  let Inst{25-21} = rs;

  let Inst{20-16} = rt;

  let Inst{15-0}  = imm16;

}



//===----------------------------------------------------------------------===//

// Format J instruction class in Mips : <|opcode|address|>

//===----------------------------------------------------------------------===//
@@ -711,20 +678,6 @@ class EI_FM<bits<1> sc> : StdArch 
// Format FI instruction class in Mips : <|opcode|base|ft|immediate|>

//===----------------------------------------------------------------------===//



class FFI<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern>:

  InstSE<outs, ins, asmstr, pattern, NoItinerary, FrmFI>

{

  bits<5>  ft;

  bits<5>  base;

  bits<16> imm16;



  let Opcode = op;



  let Inst{25-21} = base;

  let Inst{20-16} = ft;

  let Inst{15-0}  = imm16;

}



class ADDS_FM<bits<6> funct, bits<5> fmt> : StdArch {

  bits<5> fd;

  bits<5> fs;