diff options
Diffstat (limited to 'utils/TableGen/X86DisassemblerTables.cpp')
-rw-r--r-- | utils/TableGen/X86DisassemblerTables.cpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/utils/TableGen/X86DisassemblerTables.cpp b/utils/TableGen/X86DisassemblerTables.cpp index 86cd0c7b6cf..5c3931ff4c2 100644 --- a/utils/TableGen/X86DisassemblerTables.cpp +++ b/utils/TableGen/X86DisassemblerTables.cpp @@ -93,9 +93,15 @@ static inline bool inheritsFrom(InstructionContext child, inheritsFrom(child, IC_64BIT_XD) || inheritsFrom(child, IC_64BIT_XS)); case IC_OPSIZE: - return inheritsFrom(child, IC_64BIT_OPSIZE); + return inheritsFrom(child, IC_64BIT_OPSIZE) || + inheritsFrom(child, IC_OPSIZE_ADSIZE); case IC_ADSIZE: + return inheritsFrom(child, IC_OPSIZE_ADSIZE); + case IC_OPSIZE_ADSIZE: + return false; case IC_64BIT_ADSIZE: + return inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE); + case IC_64BIT_OPSIZE_ADSIZE: return false; case IC_XD: return inheritsFrom(child, IC_64BIT_XD); @@ -110,7 +116,8 @@ static inline bool inheritsFrom(InstructionContext child, inheritsFrom(child, IC_64BIT_REXW_XD) || inheritsFrom(child, IC_64BIT_REXW_OPSIZE)); case IC_64BIT_OPSIZE: - return(inheritsFrom(child, IC_64BIT_REXW_OPSIZE)); + return inheritsFrom(child, IC_64BIT_REXW_OPSIZE) || + inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE); case IC_64BIT_XD: return(inheritsFrom(child, IC_64BIT_REXW_XD)); case IC_64BIT_XS: @@ -721,6 +728,9 @@ void DisassemblerTables::emitContextTable(raw_ostream &o, unsigned &i) const { o << "IC_64BIT_XS"; else if ((index & ATTR_64BIT) && (index & ATTR_XD)) o << "IC_64BIT_XD"; + else if ((index & ATTR_64BIT) && (index & ATTR_OPSIZE) && + (index & ATTR_ADSIZE)) + o << "IC_64BIT_OPSIZE_ADSIZE"; else if ((index & ATTR_64BIT) && (index & ATTR_OPSIZE)) o << "IC_64BIT_OPSIZE"; else if ((index & ATTR_64BIT) && (index & ATTR_ADSIZE)) @@ -737,6 +747,8 @@ void DisassemblerTables::emitContextTable(raw_ostream &o, unsigned &i) const { o << "IC_XS"; else if (index & ATTR_XD) o << "IC_XD"; + else if ((index & ATTR_OPSIZE) && (index & ATTR_ADSIZE)) + o << "IC_OPSIZE_ADSIZE"; else if (index & ATTR_OPSIZE) o << "IC_OPSIZE"; else if (index & ATTR_ADSIZE) @@ -822,18 +834,6 @@ void DisassemblerTables::setTableFields(ModRMDecision &decision, InstructionSpecifier &previousInfo = InstructionSpecifiers[decision.instructionIDs[index]]; - // FIXME this doesn't actually work. The MCInsts the disassembler - // create don't encode re-encode correctly. They just manage to mostly - // print correctly. - // Instructions such as MOV8ao8 and MOV8ao8_16 differ only in the - // presence of the AdSize prefix. However, the disassembler doesn't - // care about that difference in the instruction definition; it - // handles 16-bit vs. 32-bit addressing for itself based purely - // on the 0x67 prefix and the CPU mode. So there's no need to - // disambiguate between them; just let them conflict/coexist. - if (previousInfo.name + "_16" == newInfo.name) - continue; - if(previousInfo.name == "NOOP" && (newInfo.name == "XCHG16ar" || newInfo.name == "XCHG32ar" || newInfo.name == "XCHG32ar64" || |