bool isThumb() const {
// FIXME: Can tablegen auto-generate this?
- return (STI.getFeatureBits() & ARM::ModeThumb) != 0;
+ return STI.getFeatureBits()[ARM::ModeThumb];
}
bool isThumbOne() const {
- return isThumb() && (STI.getFeatureBits() & ARM::FeatureThumb2) == 0;
+ return isThumb() && !STI.getFeatureBits()[ARM::FeatureThumb2];
}
bool isThumbTwo() const {
- return isThumb() && (STI.getFeatureBits() & ARM::FeatureThumb2);
+ return isThumb() && STI.getFeatureBits()[ARM::FeatureThumb2];
}
bool hasThumb() const {
- return STI.getFeatureBits() & ARM::HasV4TOps;
+ return STI.getFeatureBits()[ARM::HasV4TOps];
}
bool hasV6Ops() const {
- return STI.getFeatureBits() & ARM::HasV6Ops;
+ return STI.getFeatureBits()[ARM::HasV6Ops];
}
bool hasV6MOps() const {
- return STI.getFeatureBits() & ARM::HasV6MOps;
+ return STI.getFeatureBits()[ARM::HasV6MOps];
}
bool hasV7Ops() const {
- return STI.getFeatureBits() & ARM::HasV7Ops;
+ return STI.getFeatureBits()[ARM::HasV7Ops];
}
bool hasV8Ops() const {
- return STI.getFeatureBits() & ARM::HasV8Ops;
+ return STI.getFeatureBits()[ARM::HasV8Ops];
}
bool hasARM() const {
- return !(STI.getFeatureBits() & ARM::FeatureNoARM);
+ return !STI.getFeatureBits()[ARM::FeatureNoARM];
}
bool hasThumb2DSP() const {
- return STI.getFeatureBits() & ARM::FeatureDSPThumb2;
+ return STI.getFeatureBits()[ARM::FeatureDSPThumb2];
}
bool hasD16() const {
- return STI.getFeatureBits() & ARM::FeatureD16;
+ return STI.getFeatureBits()[ARM::FeatureD16];
}
void SwitchMode() {
setAvailableFeatures(FB);
}
bool isMClass() const {
- return STI.getFeatureBits() & ARM::FeatureMClass;
+ return STI.getFeatureBits()[ARM::FeatureMClass];
}
/// @name Auto-generated Match Functions
// tools/clang/lib/Driver/Tools.cpp
static const struct {
const unsigned ID;
- const uint64_t Enabled;
- const uint64_t Disabled;
+ const FeatureBitset Enabled;
+ const FeatureBitset Disabled;
} FPUs[] = {
- {/* ID */ ARM::VFP,
- /* Enabled */ ARM::FeatureVFP2,
- /* Disabled */ ARM::FeatureNEON},
- {/* ID */ ARM::VFPV2,
- /* Enabled */ ARM::FeatureVFP2,
- /* Disabled */ ARM::FeatureNEON},
- {/* ID */ ARM::VFPV3,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3,
- /* Disabled */ ARM::FeatureNEON | ARM::FeatureD16},
- {/* ID */ ARM::VFPV3_D16,
- /* Enable */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureD16,
- /* Disabled */ ARM::FeatureNEON},
- {/* ID */ ARM::VFPV4,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureVFP4,
- /* Disabled */ ARM::FeatureNEON | ARM::FeatureD16},
- {/* ID */ ARM::VFPV4_D16,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureVFP4 |
- ARM::FeatureD16,
- /* Disabled */ ARM::FeatureNEON},
- {/* ID */ ARM::FPV5_D16,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureVFP4 |
- ARM::FeatureFPARMv8 | ARM::FeatureD16,
- /* Disabled */ ARM::FeatureNEON | ARM::FeatureCrypto},
- {/* ID */ ARM::FP_ARMV8,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureVFP4 |
- ARM::FeatureFPARMv8,
- /* Disabled */ ARM::FeatureNEON | ARM::FeatureCrypto | ARM::FeatureD16},
- {/* ID */ ARM::NEON,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureNEON,
- /* Disabled */ ARM::FeatureD16},
- {/* ID */ ARM::NEON_VFPV4,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureVFP4 |
- ARM::FeatureNEON,
- /* Disabled */ ARM::FeatureD16},
- {/* ID */ ARM::NEON_FP_ARMV8,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureVFP4 |
- ARM::FeatureFPARMv8 | ARM::FeatureNEON,
- /* Disabled */ ARM::FeatureCrypto | ARM::FeatureD16},
- {/* ID */ ARM::CRYPTO_NEON_FP_ARMV8,
- /* Enabled */ ARM::FeatureVFP2 | ARM::FeatureVFP3 | ARM::FeatureVFP4 |
- ARM::FeatureFPARMv8 | ARM::FeatureNEON | ARM::FeatureCrypto,
- /* Disabled */ ARM::FeatureD16},
- {ARM::SOFTVFP, 0, 0},
+ {/* ID */ ARM::VFP,
+ /* Enabled */ {ARM::FeatureVFP2},
+ /* Disabled */ {ARM::FeatureNEON}},
+ {/* ID */ ARM::VFPV2,
+ /* Enabled */ {ARM::FeatureVFP2},
+ /* Disabled */ {ARM::FeatureNEON}},
+ {/* ID */ ARM::VFPV3,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3},
+ /* Disabled */ {ARM::FeatureNEON, ARM::FeatureD16}},
+ {/* ID */ ARM::VFPV3_D16,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureD16},
+ /* Disabled */ {ARM::FeatureNEON}},
+ {/* ID */ ARM::VFPV4,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureVFP4},
+ /* Disabled */ {ARM::FeatureNEON, ARM::FeatureD16}},
+ {/* ID */ ARM::VFPV4_D16,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureVFP4,
+ ARM::FeatureD16},
+ /* Disabled */ {ARM::FeatureNEON}},
+ {/* ID */ ARM::FPV5_D16,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureVFP4,
+ ARM::FeatureFPARMv8, ARM::FeatureD16},
+ /* Disabled */ {ARM::FeatureNEON, ARM::FeatureCrypto}},
+ {/* ID */ ARM::FP_ARMV8,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureVFP4,
+ ARM::FeatureFPARMv8},
+ /* Disabled */ {ARM::FeatureNEON, ARM::FeatureCrypto, ARM::FeatureD16}},
+ {/* ID */ ARM::NEON,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureNEON},
+ /* Disabled */ {ARM::FeatureD16}},
+ {/* ID */ ARM::NEON_VFPV4,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureVFP4,
+ ARM::FeatureNEON},
+ /* Disabled */ {ARM::FeatureD16}},
+ {/* ID */ ARM::NEON_FP_ARMV8,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureVFP4,
+ ARM::FeatureFPARMv8, ARM::FeatureNEON},
+ /* Disabled */ {ARM::FeatureCrypto, ARM::FeatureD16}},
+ {/* ID */ ARM::CRYPTO_NEON_FP_ARMV8,
+ /* Enabled */ {ARM::FeatureVFP2, ARM::FeatureVFP3, ARM::FeatureVFP4,
+ ARM::FeatureFPARMv8, ARM::FeatureNEON,
+ ARM::FeatureCrypto},
+ /* Disabled */ {ARM::FeatureD16}},
+ {ARM::SOFTVFP, {}, {}},
};
/// parseDirectiveFPU
// Need to toggle features that should be on but are off and that
// should off but are on.
- uint64_t Toggle = (Entry.Enabled & ~STI.getFeatureBits()) |
- (Entry.Disabled & STI.getFeatureBits());
+ FeatureBitset Toggle = (Entry.Enabled & ~STI.getFeatureBits()) |
+ (Entry.Disabled & STI.getFeatureBits());
setAvailableFeatures(ComputeAvailableFeatures(STI.ToggleFeature(Toggle)));
break;
}
static const struct {
const char *Name;
const unsigned ArchCheck;
- const uint64_t Features;
+ const FeatureBitset Features;
} Extensions[] = {
- { "crc", Feature_HasV8, ARM::FeatureCRC },
+ { "crc", Feature_HasV8, {ARM::FeatureCRC} },
{ "crypto", Feature_HasV8,
- ARM::FeatureCrypto | ARM::FeatureNEON | ARM::FeatureFPARMv8 },
- { "fp", Feature_HasV8, ARM::FeatureFPARMv8 },
+ {ARM::FeatureCrypto, ARM::FeatureNEON, ARM::FeatureFPARMv8} },
+ { "fp", Feature_HasV8, {ARM::FeatureFPARMv8} },
{ "idiv", Feature_HasV7 | Feature_IsNotMClass,
- ARM::FeatureHWDiv | ARM::FeatureHWDivARM },
+ {ARM::FeatureHWDiv, ARM::FeatureHWDivARM} },
// FIXME: iWMMXT not supported
- { "iwmmxt", Feature_None, 0 },
+ { "iwmmxt", Feature_None, {} },
// FIXME: iWMMXT2 not supported
- { "iwmmxt2", Feature_None, 0 },
+ { "iwmmxt2", Feature_None, {} },
// FIXME: Maverick not supported
- { "maverick", Feature_None, 0 },
- { "mp", Feature_HasV7 | Feature_IsNotMClass, ARM::FeatureMP },
+ { "maverick", Feature_None, {} },
+ { "mp", Feature_HasV7 | Feature_IsNotMClass, {ARM::FeatureMP} },
// FIXME: ARMv6-m OS Extensions feature not checked
- { "os", Feature_None, 0 },
+ { "os", Feature_None, {} },
// FIXME: Also available in ARMv6-K
- { "sec", Feature_HasV7, ARM::FeatureTrustZone },
- { "simd", Feature_HasV8, ARM::FeatureNEON | ARM::FeatureFPARMv8 },
+ { "sec", Feature_HasV7, {ARM::FeatureTrustZone} },
+ { "simd", Feature_HasV8, {ARM::FeatureNEON, ARM::FeatureFPARMv8} },
// FIXME: Only available in A-class, isel not predicated
- { "virt", Feature_HasV7, ARM::FeatureVirtualization },
+ { "virt", Feature_HasV7, {ARM::FeatureVirtualization} },
// FIXME: xscale not supported
- { "xscale", Feature_None, 0 },
+ { "xscale", Feature_None, {} },
};
/// parseDirectiveArchExtension
if (Extension.Name != Name)
continue;
- if (!Extension.Features)
+ if (Extension.Features.none())
report_fatal_error("unsupported architectural extension: " + Name);
if ((getAvailableFeatures() & Extension.ArchCheck) != Extension.ArchCheck) {
return false;
}
- uint64_t ToggleFeatures = EnableFeature
- ? (~STI.getFeatureBits() & Extension.Features)
- : ( STI.getFeatureBits() & Extension.Features);
+ FeatureBitset ToggleFeatures = EnableFeature
+ ? (~STI.getFeatureBits() & Extension.Features)
+ : ( STI.getFeatureBits() & Extension.Features);
+
uint64_t Features =
ComputeAvailableFeatures(STI.ToggleFeature(ToggleFeatures));
setAvailableFeatures(Features);