[X86] Remove unused encoding types from disassembler. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261494 91177308-0d34-0410-b5e6-96231b3b80d8

Author: topperc

lib/Target/X86/Disassembler/X86Disassembler.cpp

@@ -910,14 +910,6 @@ static bool translateOperand(MCInst &mcInst, const OperandSpecifier &operand,
     return translateMaskRegister(mcInst, insn.writemask);
   CASE_ENCODING_RM:
     return translateRM(mcInst, operand, insn, Dis);
-  case ENCODING_CB:
-  case ENCODING_CW:
-  case ENCODING_CD:
-  case ENCODING_CP:
-  case ENCODING_CO:
-  case ENCODING_CT:
-    debug("Translation of code offsets isn't supported.");
-    return true;
   case ENCODING_IB:
   case ENCODING_IW:
   case ENCODING_ID:

lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp

@@ -1759,14 +1759,6 @@ static int readOperands(struct InternalInstruction* insn) {
       if (Op.encoding != ENCODING_REG && insn->eaDisplacement == EA_DISP_8)
         insn->displacement *= 1 << (Op.encoding - ENCODING_RM);
       break;
-    case ENCODING_CB:
-    case ENCODING_CW:
-    case ENCODING_CD:
-    case ENCODING_CP:
-    case ENCODING_CO:
-    case ENCODING_CT:
-      dbgprintf(insn, "We currently don't hande code-offset encodings");
-      return -1;
     case ENCODING_IB:
       if (sawRegImm) {
         /* Saw a register immediate so don't read again and instead split the

lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h

@@ -352,12 +352,6 @@ enum ModRMDecisionType {
   ENUM_ENTRY(ENCODING_RM_CD64,"R/M operand with CDisp scaling of 64")          \
   ENUM_ENTRY(ENCODING_VVVV,   "Register operand in VEX.vvvv byte.")            \
   ENUM_ENTRY(ENCODING_WRITEMASK, "Register operand in EVEX.aaa byte.")         \
-  ENUM_ENTRY(ENCODING_CB,     "1-byte code offset (possible new CS value)")    \
-  ENUM_ENTRY(ENCODING_CW,     "2-byte")                                        \
-  ENUM_ENTRY(ENCODING_CD,     "4-byte")                                        \
-  ENUM_ENTRY(ENCODING_CP,     "6-byte")                                        \
-  ENUM_ENTRY(ENCODING_CO,     "8-byte")                                        \
-  ENUM_ENTRY(ENCODING_CT,     "10-byte")                                       \
   ENUM_ENTRY(ENCODING_IB,     "1-byte immediate")                              \
   ENUM_ENTRY(ENCODING_IW,     "2-byte")                                        \
   ENUM_ENTRY(ENCODING_ID,     "4-byte")                                        \