diff options
Diffstat (limited to 'lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
| -rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index c8d1321351..3d33ce2c2c 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -204,8 +204,6 @@ static DecodeStatus DecodeShiftRight64Imm(llvm::MCInst &Inst, unsigned Val, uint64_t Address, const void *Decoder); static DecodeStatus DecodeTBLInstruction(llvm::MCInst &Inst, unsigned Insn, uint64_t Address, const void *Decoder); -static DecodeStatus DecodeVFPfpImm(llvm::MCInst &Inst, unsigned Val, - uint64_t Address, const void *Decoder); static DecodeStatus DecodePostIdxReg(llvm::MCInst &Inst, unsigned Insn, uint64_t Address, const void *Decoder); static DecodeStatus DecodeCoprocessor(llvm::MCInst &Inst, unsigned Insn, @@ -2524,31 +2522,6 @@ static DecodeStatus DecodeTBLInstruction(llvm::MCInst &Inst, unsigned Insn, return S; } -static DecodeStatus DecodeVFPfpImm(llvm::MCInst &Inst, unsigned Val, - uint64_t Address, const void *Decoder) { - // The immediate needs to be a fully instantiated float. However, the - // auto-generated decoder is only able to fill in some of the bits - // necessary. For instance, the 'b' bit is replicated multiple times, - // and is even present in inverted form in one bit. We do a little - // binary parsing here to fill in those missing bits, and then - // reinterpret it all as a float. - union { - uint32_t integer; - float fp; - } fp_conv; - - fp_conv.integer = Val; - uint32_t b = fieldFromInstruction32(Val, 25, 1); - fp_conv.integer |= b << 26; - fp_conv.integer |= b << 27; - fp_conv.integer |= b << 28; - fp_conv.integer |= b << 29; - fp_conv.integer |= (~b & 0x1) << 30; - - Inst.addOperand(MCOperand::CreateFPImm(fp_conv.fp)); - return MCDisassembler::Success; -} - static DecodeStatus DecodeThumbAddSpecialReg(llvm::MCInst &Inst, uint16_t Insn, uint64_t Address, const void *Decoder) { DecodeStatus S = MCDisassembler::Success; |