MCContext &Ctx,
std::unique_ptr<const MCInstrInfo> MII)
: MCDisassembler(STI, Ctx), MII(std::move(MII)) {
- switch (STI.getFeatureBits() &
- (X86::Mode16Bit | X86::Mode32Bit | X86::Mode64Bit)) {
- case X86::Mode16Bit:
+ const FeatureBitset &FB = STI.getFeatureBits();
+ if (FB[X86::Mode16Bit]) {
fMode = MODE_16BIT;
- break;
- case X86::Mode32Bit:
+ return;
+ } else if (FB[X86::Mode32Bit]) {
fMode = MODE_32BIT;
- break;
- case X86::Mode64Bit:
+ return;
+ } else if (FB[X86::Mode64Bit]) {
fMode = MODE_64BIT;
- break;
- default:
- llvm_unreachable("Invalid CPU mode");
+ return;
}
+
+ llvm_unreachable("Invalid CPU mode");
}
struct Region {