//
//===----------------------------------------------------------------------===//
-#include "X86DisassemblerShared.h"
#include "X86DisassemblerTables.h"
-
-#include "llvm/TableGen/TableGenBackend.h"
+#include "X86DisassemblerShared.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
+#include "llvm/TableGen/TableGenBackend.h"
#include <map>
using namespace llvm;
bool satisfiesOneEntry = true;
bool satisfiesSplitRM = true;
bool satisfiesSplitReg = true;
+ bool satisfiesSplitMisc = true;
for (unsigned index = 0; index < 256; ++index) {
if (decision.instructionIDs[index] != decision.instructionIDs[0])
if (((index & 0xc0) != 0xc0) &&
(decision.instructionIDs[index] != decision.instructionIDs[index&0x38]))
- satisfiesSplitReg = false;
+ satisfiesSplitMisc = false;
}
if (satisfiesOneEntry)
if (satisfiesSplitRM)
return MODRM_SPLITRM;
- if (satisfiesSplitReg)
+ if (satisfiesSplitReg && satisfiesSplitMisc)
return MODRM_SPLITREG;
+ if (satisfiesSplitMisc)
+ return MODRM_SPLITMISC;
+
return MODRM_FULL;
}
for (unsigned index = 0xc0; index < 256; index += 8)
emitOneID(o1, i1, decision.instructionIDs[index], true);
break;
+ case MODRM_SPLITMISC:
+ for (unsigned index = 0; index < 64; index += 8)
+ emitOneID(o1, i1, decision.instructionIDs[index], true);
+ for (unsigned index = 0xc0; index < 256; ++index)
+ emitOneID(o1, i1, decision.instructionIDs[index], true);
+ break;
case MODRM_FULL:
for (unsigned index = 0; index < 256; ++index)
emitOneID(o1, i1, decision.instructionIDs[index], true);
case MODRM_SPLITREG:
sEntryNumber += 16;
break;
+ case MODRM_SPLITMISC:
+ sEntryNumber += 8 + 64;
+ break;
case MODRM_FULL:
sEntryNumber += 256;
break;
}
+ // We assume that the index can fit into uint16_t.
+ assert(sEntryNumber < 65536U &&
+ "Index into ModRMDecision is too large for uint16_t!");
+
++sTableNumber;
}