bool is64BitMode() const {
// FIXME: Can tablegen auto-generate this?
- return STI.getFeatureBits()[X86::Mode64Bit];
+ return (STI.getFeatureBits() & X86::Mode64Bit) != 0;
}
bool is32BitMode() const {
// FIXME: Can tablegen auto-generate this?
- return STI.getFeatureBits()[X86::Mode32Bit];
+ return (STI.getFeatureBits() & X86::Mode32Bit) != 0;
}
bool is16BitMode() const {
// FIXME: Can tablegen auto-generate this?
- return STI.getFeatureBits()[X86::Mode16Bit];
+ return (STI.getFeatureBits() & X86::Mode16Bit) != 0;
}
- void SwitchMode(unsigned mode) {
- FeatureBitset AllModes({X86::Mode64Bit, X86::Mode32Bit, X86::Mode16Bit});
- FeatureBitset OldMode = STI.getFeatureBits() & AllModes;
- unsigned FB = ComputeAvailableFeatures(
- STI.ToggleFeature(OldMode.flip(mode)));
+ void SwitchMode(uint64_t mode) {
+ uint64_t oldMode = STI.getFeatureBits() &
+ (X86::Mode64Bit | X86::Mode32Bit | X86::Mode16Bit);
+ unsigned FB = ComputeAvailableFeatures(STI.ToggleFeature(oldMode | mode));
setAvailableFeatures(FB);
-
- assert(FeatureBitset({mode}) == (STI.getFeatureBits() & AllModes));
+ assert(mode == (STI.getFeatureBits() &
+ (X86::Mode64Bit | X86::Mode32Bit | X86::Mode16Bit)));
}
unsigned getPointerWidth() {
}
// rounding mode token
- if (STI.getFeatureBits()[X86::FeatureAVX512] &&
+ if (STI.getFeatureBits() & X86::FeatureAVX512 &&
getLexer().is(AsmToken::LCurly))
return ParseRoundingModeOp(Start, End);
}
case AsmToken::LCurly:{
SMLoc Start = Parser.getTok().getLoc(), End;
- if (STI.getFeatureBits()[X86::FeatureAVX512])
+ if (STI.getFeatureBits() & X86::FeatureAVX512)
return ParseRoundingModeOp(Start, End);
return ErrorOperand(Start, "unknown token in expression");
}
bool X86AsmParser::HandleAVX512Operand(OperandVector &Operands,
const MCParsedAsmOperand &Op) {
MCAsmParser &Parser = getParser();
- if(STI.getFeatureBits()[X86::FeatureAVX512]) {
+ if(STI.getFeatureBits() & X86::FeatureAVX512) {
if (getLexer().is(AsmToken::LCurly)) {
// Eat "{" and mark the current place.
const SMLoc consumedToken = consumeToken();