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path: root/utils/TableGen/X86DisassemblerTables.cpp
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Diffstat (limited to 'utils/TableGen/X86DisassemblerTables.cpp')
-rw-r--r--utils/TableGen/X86DisassemblerTables.cpp18
1 files changed, 11 insertions, 7 deletions
diff --git a/utils/TableGen/X86DisassemblerTables.cpp b/utils/TableGen/X86DisassemblerTables.cpp
index 5c3931ff4c2..138a34b4dc9 100644
--- a/utils/TableGen/X86DisassemblerTables.cpp
+++ b/utils/TableGen/X86DisassemblerTables.cpp
@@ -75,13 +75,13 @@ static inline const char* stringForOperandEncoding(OperandEncoding encoding) {
/// @return - True if child is a subset of parent, false otherwise.
static inline bool inheritsFrom(InstructionContext child,
InstructionContext parent,
- bool VEX_LIG = false) {
+ bool VEX_LIG = false, bool AdSize64 = false) {
if (child == parent)
return true;
switch (parent) {
case IC:
- return(inheritsFrom(child, IC_64BIT) ||
+ return(inheritsFrom(child, IC_64BIT, AdSize64) ||
inheritsFrom(child, IC_OPSIZE) ||
inheritsFrom(child, IC_ADSIZE) ||
inheritsFrom(child, IC_XD) ||
@@ -89,7 +89,7 @@ static inline bool inheritsFrom(InstructionContext child,
case IC_64BIT:
return(inheritsFrom(child, IC_64BIT_REXW) ||
inheritsFrom(child, IC_64BIT_OPSIZE) ||
- inheritsFrom(child, IC_64BIT_ADSIZE) ||
+ (!AdSize64 && inheritsFrom(child, IC_64BIT_ADSIZE)) ||
inheritsFrom(child, IC_64BIT_XD) ||
inheritsFrom(child, IC_64BIT_XS));
case IC_OPSIZE:
@@ -117,7 +117,7 @@ static inline bool inheritsFrom(InstructionContext child,
inheritsFrom(child, IC_64BIT_REXW_OPSIZE));
case IC_64BIT_OPSIZE:
return inheritsFrom(child, IC_64BIT_REXW_OPSIZE) ||
- inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE);
+ (!AdSize64 && inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE));
case IC_64BIT_XD:
return(inheritsFrom(child, IC_64BIT_REXW_XD));
case IC_64BIT_XS:
@@ -865,15 +865,19 @@ void DisassemblerTables::setTableFields(OpcodeType type,
const ModRMFilter &filter,
InstrUID uid,
bool is32bit,
- bool ignoresVEX_L) {
+ bool ignoresVEX_L,
+ unsigned addressSize) {
ContextDecision &decision = *Tables[type];
for (unsigned index = 0; index < IC_max; ++index) {
- if (is32bit && inheritsFrom((InstructionContext)index, IC_64BIT))
+ if ((is32bit || addressSize == 16) &&
+ inheritsFrom((InstructionContext)index, IC_64BIT))
continue;
+ bool adSize64 = addressSize == 64;
if (inheritsFrom((InstructionContext)index,
- InstructionSpecifiers[uid].insnContext, ignoresVEX_L))
+ InstructionSpecifiers[uid].insnContext, ignoresVEX_L,
+ adSize64))
setTableFields(decision.opcodeDecisions[index].modRMDecisions[opcode],
filter,
uid,