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Diffstat (limited to 'llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp')
-rw-r--r--llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp111
1 files changed, 6 insertions, 105 deletions
diff --git a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
index fa7bcfa..5e54b82 100644
--- a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
+++ b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
@@ -193,21 +193,19 @@ static DecodeStatus DecodeFPR128RegisterClass(MCInst &Inst, uint32_t RegNo,
static DecodeStatus DecodeGPRNoX0RegisterClass(MCInst &Inst, uint32_t RegNo,
uint64_t Address,
const MCDisassembler *Decoder) {
- if (RegNo == 0) {
+ if (RegNo == 0)
return MCDisassembler::Fail;
- }
return DecodeGPRRegisterClass(Inst, RegNo, Address, Decoder);
}
-static DecodeStatus
-DecodeGPRNoX0X2RegisterClass(MCInst &Inst, uint64_t RegNo, uint32_t Address,
- const MCDisassembler *Decoder) {
- if (RegNo == 2) {
+static DecodeStatus DecodeGPRNoX2RegisterClass(MCInst &Inst, uint64_t RegNo,
+ uint32_t Address,
+ const MCDisassembler *Decoder) {
+ if (RegNo == 2)
return MCDisassembler::Fail;
- }
- return DecodeGPRNoX0RegisterClass(Inst, RegNo, Address, Decoder);
+ return DecodeGPRRegisterClass(Inst, RegNo, Address, Decoder);
}
static DecodeStatus DecodeGPRNoX31RegisterClass(MCInst &Inst, uint32_t RegNo,
@@ -536,31 +534,6 @@ static DecodeStatus decodeRTZArg(MCInst &Inst, uint32_t Imm, int64_t Address,
return MCDisassembler::Success;
}
-static DecodeStatus decodeRVCInstrRdRs1ImmZero(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder);
-
-static DecodeStatus decodeRVCInstrRdSImm6(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder);
-
-static DecodeStatus decodeRVCInstrRdCLUIImm(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder);
-
-static DecodeStatus
-decodeRVCInstrRdRs1UImmLog2XLenNonZero(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder);
-
-static DecodeStatus decodeRVCInstrRdRs2(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder);
-
-static DecodeStatus decodeRVCInstrRdRs1Rs2(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder);
-
static DecodeStatus decodeXTHeadMemPair(MCInst &Inst, uint32_t Insn,
uint64_t Address,
const MCDisassembler *Decoder);
@@ -579,18 +552,6 @@ static DecodeStatus decodeCSSPushPopchk(MCInst &Inst, uint32_t Insn,
#include "RISCVGenDisassemblerTables.inc"
-static DecodeStatus decodeRVCInstrRdRs1ImmZero(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder) {
- DecodeStatus S = MCDisassembler::Success;
- uint32_t Rd = fieldFromInstruction(Insn, 7, 5);
- if (!Check(S, DecodeGPRNoX0RegisterClass(Inst, Rd, Address, Decoder)))
- return MCDisassembler::Fail;
- Inst.addOperand(Inst.getOperand(0));
- Inst.addOperand(MCOperand::createImm(0));
- return S;
-}
-
static DecodeStatus decodeCSSPushPopchk(MCInst &Inst, uint32_t Insn,
uint64_t Address,
const MCDisassembler *Decoder) {
@@ -601,66 +562,6 @@ static DecodeStatus decodeCSSPushPopchk(MCInst &Inst, uint32_t Insn,
return MCDisassembler::Success;
}
-static DecodeStatus decodeRVCInstrRdSImm6(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder) {
- Inst.addOperand(MCOperand::createReg(RISCV::X0));
- uint32_t Imm =
- fieldFromInstruction(Insn, 12, 1) << 5 | fieldFromInstruction(Insn, 2, 5);
- [[maybe_unused]] DecodeStatus Result =
- decodeSImmOperand<6>(Inst, Imm, Address, Decoder);
- assert(Result == MCDisassembler::Success && "Invalid immediate");
- return MCDisassembler::Success;
-}
-
-static DecodeStatus decodeRVCInstrRdCLUIImm(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder) {
- Inst.addOperand(MCOperand::createReg(RISCV::X0));
- uint32_t Imm =
- fieldFromInstruction(Insn, 12, 1) << 5 | fieldFromInstruction(Insn, 2, 5);
- return decodeCLUIImmOperand(Inst, Imm, Address, Decoder);
-}
-
-static DecodeStatus
-decodeRVCInstrRdRs1UImmLog2XLenNonZero(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder) {
- Inst.addOperand(MCOperand::createReg(RISCV::X0));
- Inst.addOperand(Inst.getOperand(0));
-
- uint32_t UImm6 =
- fieldFromInstruction(Insn, 12, 1) << 5 | fieldFromInstruction(Insn, 2, 5);
- return decodeUImmLog2XLenNonZeroOperand(Inst, UImm6, Address, Decoder);
-}
-
-static DecodeStatus decodeRVCInstrRdRs2(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder) {
- DecodeStatus S = MCDisassembler::Success;
- uint32_t Rd = fieldFromInstruction(Insn, 7, 5);
- uint32_t Rs2 = fieldFromInstruction(Insn, 2, 5);
- if (!Check(S, DecodeGPRRegisterClass(Inst, Rd, Address, Decoder)))
- return MCDisassembler::Fail;
- if (!Check(S, DecodeGPRRegisterClass(Inst, Rs2, Address, Decoder)))
- return MCDisassembler::Fail;
- return S;
-}
-
-static DecodeStatus decodeRVCInstrRdRs1Rs2(MCInst &Inst, uint32_t Insn,
- uint64_t Address,
- const MCDisassembler *Decoder) {
- DecodeStatus S = MCDisassembler::Success;
- uint32_t Rd = fieldFromInstruction(Insn, 7, 5);
- uint32_t Rs2 = fieldFromInstruction(Insn, 2, 5);
- if (!Check(S, DecodeGPRRegisterClass(Inst, Rd, Address, Decoder)))
- return MCDisassembler::Fail;
- Inst.addOperand(Inst.getOperand(0));
- if (!Check(S, DecodeGPRRegisterClass(Inst, Rs2, Address, Decoder)))
- return MCDisassembler::Fail;
- return S;
-}
-
static DecodeStatus decodeXTHeadMemPair(MCInst &Inst, uint32_t Insn,
uint64_t Address,
const MCDisassembler *Decoder) {
generated by cgit v1.1 at 2025-09-30 11:02:31 +0000