diff options
Diffstat (limited to 'llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index bdebc76a9b1..afb6e5684dd 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -874,6 +874,15 @@ public: int64_t Val = CE->getValue(); return (Val > -256 && Val < 256) || (Val == INT32_MIN); } + bool isPostIdxImm8s4() const { + if (Kind != k_Immediate) + return false; + const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); + if (!CE) return false; + int64_t Val = CE->getValue(); + return ((Val & 3) == 0 && Val >= -1020 && Val <= 1020) || + (Val == INT32_MIN); + } bool isMSRMask() const { return Kind == k_MSRMask; } bool isProcIFlags() const { return Kind == k_ProcIFlags; } @@ -1356,6 +1365,18 @@ public: Inst.addOperand(MCOperand::CreateImm(Imm)); } + void addPostIdxImm8s4Operands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); + assert(CE && "non-constant post-idx-imm8s4 operand!"); + int Imm = CE->getValue(); + bool isAdd = Imm >= 0; + if (Imm == INT32_MIN) Imm = 0; + // Immediate is scaled by 4. + Imm = ((Imm < 0 ? -Imm : Imm) / 4) | (int)isAdd << 8; + Inst.addOperand(MCOperand::CreateImm(Imm)); + } + void addPostIdxRegOperands(MCInst &Inst, unsigned N) const { assert(N == 2 && "Invalid number of operands!"); Inst.addOperand(MCOperand::CreateReg(PostIdxReg.RegNum)); @@ -3539,8 +3560,9 @@ getMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet, Mnemonic == "dsb" || Mnemonic == "isb" || Mnemonic == "setend" || (Mnemonic == "clrex" && !isThumb()) || (Mnemonic == "nop" && isThumbOne()) || - ((Mnemonic == "pld" || Mnemonic == "pli" || Mnemonic == "pldw") && - !isThumb()) || + ((Mnemonic == "pld" || Mnemonic == "pli" || Mnemonic == "pldw" || + Mnemonic == "ldc2" || Mnemonic == "ldc2l" || + Mnemonic == "stc2" || Mnemonic == "stc2l") && !isThumb()) || ((Mnemonic.startswith("rfe") || Mnemonic.startswith("srs")) && !isThumb()) || Mnemonic.startswith("cps") || (Mnemonic == "movs" && isThumbOne())) { |
