search for: curbyte

...(7 - RMfield) << 1); + } + + if (Disp.isImm() && isDisp8(Disp.getImm())) { + // Use [REG]+disp8 form if we can, and for [BP] which cannot be encoded. + if (BaseRegNo == N86::EBP || Disp.getImm() != 0) { + EmitByte(ModRMByte(1, RegOpcodeField, RMfield), CurByte, OS); + EmitImmediate(Disp, MI.getLoc(), 1, FK_Data_1, CurByte, OS, Fixups); + return; + } else { + // No displacement + EmitByte(ModRMByte(0, RegOpcodeField, RMfield), CurByte, OS); + return; + } + } + EmitByte(ModRMByte(2, RegOp...

...86/MCTargetDesc/X86BaseInfo.h:574! i made extensive use of gdb and after debugging i found the line with issue in X86MCCodeEmitter.cpp. Here NumOps=3 (all registers). and CurOp is 1st initialized to 0. then, the following code gets executed; case X86II::MRMDestReg: { EmitByte(BaseOpcode, CurByte, OS); unsigned SrcRegNum = CurOp + 1; //SrcRegNum=1 EmitRegModRMByte(MI.getOperand(CurOp), GetX86RegNum(MI.getOperand(SrcRegNum)), CurByte, OS); CurOp = SrcRegNum + 1; break; } so here CurOp becomes 2. After this; it comes to; else { // If there is a remaini...

...d after debugging i found the line with >> issue in X86MCCodeEmitter.cpp. >> >> Here NumOps=3 (all registers). and CurOp is 1st initialized to 0. >> >> then, the following code gets executed; >> >> case X86II::MRMDestReg: { >> EmitByte(BaseOpcode, CurByte, OS); >> unsigned SrcRegNum = CurOp + 1; //SrcRegNum=1 >> EmitRegModRMByte(MI.getOperand(CurOp), >> GetX86RegNum(MI.getOperand(SrcRegNum)), CurByte, >> OS); >> CurOp = SrcRegNum + 1; >> break; >> } >> so here CurOp b...

...} > + > + if (Disp.isImm() && isDisp8(Disp.getImm())) { > + // Use [REG]+disp8 form if we can, and for [BP] which cannot be > encoded. > + if (BaseRegNo == N86::EBP || Disp.getImm() != 0) { > + EmitByte(ModRMByte(1, RegOpcodeField, RMfield), CurByte, OS); > + EmitImmediate(Disp, MI.getLoc(), 1, FK_Data_1, CurByte, OS, > Fixups); > + return; > + } else { > + // No displacement > + EmitByte(ModRMByte(0, RegOpcodeField, RMfield), CurByte, OS); > + return; > + } &gt...

...n X86MCCodeEmitter.cpp. >>>> >>>> Here NumOps=3 (all registers). and CurOp is 1st initialized to 0. >>>> >>>> then, the following code gets executed; >>>> >>>> case X86II::MRMDestReg: { >>>> EmitByte(BaseOpcode, CurByte, OS); >>>> unsigned SrcRegNum = CurOp + 1; //SrcRegNum=1 >>>> EmitRegModRMByte(MI.getOperand(CurOp), >>>> GetX86RegNum(MI.getOperand(SrcRegNum)), CurByte, >>>> OS); >>>> CurOp = SrcRegNum + 1; >>>>...

...;>>>> Here NumOps=3 (all registers). and CurOp is 1st initialized to 0. >>>>>> >>>>>> then, the following code gets executed; >>>>>> >>>>>> case X86II::MRMDestReg: { >>>>>> EmitByte(BaseOpcode, CurByte, OS); >>>>>> unsigned SrcRegNum = CurOp + 1; //SrcRegNum=1 >>>>>> EmitRegModRMByte(MI.getOperand(CurOp), >>>>>> GetX86RegNum(MI.getOperand(SrcRegNum)), >>>>>> CurByte, OS); >>>>>>...

...isters). and CurOp is 1st initialized to 0. >>>>>>>> >>>>>>>> then, the following code gets executed; >>>>>>>> >>>>>>>> case X86II::MRMDestReg: { >>>>>>>> EmitByte(BaseOpcode, CurByte, OS); >>>>>>>> unsigned SrcRegNum = CurOp + 1; //SrcRegNum=1 >>>>>>>> EmitRegModRMByte(MI.getOperand(CurOp), >>>>>>>> GetX86RegNum(MI.getOperand(SrcRegNum)), >>>>>>>> CurByte, OS...

...0. >>>>>>>>>> >>>>>>>>>> then, the following code gets executed; >>>>>>>>>> >>>>>>>>>> case X86II::MRMDestReg: { >>>>>>>>>> EmitByte(BaseOpcode, CurByte, OS); >>>>>>>>>> unsigned SrcRegNum = CurOp + 1; //SrcRegNum=1 >>>>>>>>>> EmitRegModRMByte(MI.getOperand(CurOp), >>>>>>>>>> GetX86RegNum(MI.getOperand(SrcRegNum)), >>>>>...

...>>> >>>>>>>>>>>> then, the following code gets executed; >>>>>>>>>>>> >>>>>>>>>>>> case X86II::MRMDestReg: { >>>>>>>>>>>> EmitByte(BaseOpcode, CurByte, OS); >>>>>>>>>>>> unsigned SrcRegNum = CurOp + 1; //SrcRegNum=1 >>>>>>>>>>>> EmitRegModRMByte(MI.getOperand(CurOp), >>>>>>>>>>>> GetX86RegNum(MI.getOperand(SrcRegNum...