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[AVR] Remove LPM/ELPM custom decoder (NFC) #156928

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Merged
merged 1 commit into from
Sep 5, 2025
Merged

[AVR] Remove LPM/ELPM custom decoder (NFC) #156928

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12 changes: 3 additions & 9 deletions llvm/lib/Target/AVR/AVRInstrFormats.td
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Original file line number Diff line number Diff line change
Expand Up @@ -201,20 +201,14 @@ class FSTLD<bit type, bits<2> mode, dag outs, dag ins, string asmstr,
//===---------------------------------------------------------------------===//
class FLPMX<bit e, bit p, dag outs, dag ins, string asmstr, list<dag> pattern>
: AVRInst16<outs, ins, asmstr, pattern> {
bits<0> z;
bits<5> rd;

let Inst{15 - 12} = 0b1001;

let Inst{11 - 9} = 0b000;
let Inst{8} = rd{4};

let Inst{7 - 4} = rd{3 - 0};

let Inst{15 - 9} = 0b1001000;
let Inst{8 - 4} = rd;
let Inst{3 - 2} = 0b01;
let Inst{1} = e;
let Inst{0} = p;

let DecoderMethod = "decodeFLPMX";
}

//===----------------------------------------------------------------------===//
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8 changes: 0 additions & 8 deletions llvm/lib/Target/AVR/Disassembler/AVRDisassembler.cpp
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Expand Up @@ -150,14 +150,6 @@ static DecodeStatus decodeFRd(MCInst &Inst, unsigned Insn, uint64_t Address,
return MCDisassembler::Success;
}

static DecodeStatus decodeFLPMX(MCInst &Inst, unsigned Insn, uint64_t Address,
const MCDisassembler *Decoder) {
if (decodeFRd(Inst, Insn, Address, Decoder) == MCDisassembler::Fail)
return MCDisassembler::Fail;
Inst.addOperand(MCOperand::createReg(AVR::R31R30));
return MCDisassembler::Success;
}

static DecodeStatus decodeFFMULRdRr(MCInst &Inst, unsigned Insn,
uint64_t Address,
const MCDisassembler *Decoder) {
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