def FeatureCRC : SubtargetFeature<"crc", "HasCRC", "true",
"Enable support for CRC instructions">;
+// Cyclone has preferred instructions for zeroing VFP registers, which can
+// execute in 0 cycles.
+def FeatureZCZeroing : SubtargetFeature<"zcz", "HasZeroCycleZeroing", "true",
+ "Has zero-cycle zeroing instructions">;
+
// Some processors have FP multiply-accumulate instructions that don't
// play nicely with other VFP / NEON instructions, and it's generally better
// to just not use them.
FeatureDSPThumb2, FeatureHasRAS,
FeatureAClass]>;
+// FIXME: krait has currently the same Schedule model as A9
+def : ProcessorModel<"krait", CortexA9Model,
+ [ProcKrait, HasV7Ops,
+ FeatureNEON, FeatureDB,
+ FeatureDSPThumb2, FeatureHasRAS,
+ FeatureAClass]>;
+
// FIXME: R5 has currently the same ProcessorModel as A8.
def : ProcessorModel<"cortex-r5", CortexA8Model,
[ProcR5, HasV7Ops, FeatureDB,
FeatureDB, FeatureFPARMv8,
FeatureNEON, FeatureDSPThumb2]>;
-// FIXME: krait has currently the same Schedule model as A9
-def : ProcessorModel<"krait", CortexA9Model,
- [ProcKrait, HasV7Ops,
- FeatureNEON, FeatureDB,
- FeatureDSPThumb2, FeatureHasRAS,
- FeatureAClass]>;
+// Cyclone is very similar to swift
+def : ProcessorModel<"cyclone", SwiftModel,
+ [ProcSwift, HasV8Ops, HasV7Ops,
+ FeatureCrypto, FeatureFPARMv8,
+ FeatureDB,FeatureDSPThumb2,
+ FeatureHasRAS, FeatureZCZeroing]>;
//===----------------------------------------------------------------------===//
// Register File Description