def ModeThumb : SubtargetFeature<"thumb-mode", "InThumbMode", "true",
"Thumb mode">;
+def ModeSoftFloat : SubtargetFeature<"soft-float", "UseSoftFloat", "true",
+ "Use software floating point features.">;
+
//===----------------------------------------------------------------------===//
// ARM Subtarget features.
//
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.
def FeatureHasRAS : SubtargetFeature<"ras", "HasRAS", "true",
"Has return address stack">;
-/// Some M architectures don't have the DSP extension (v7E-M vs. v7M)
-def FeatureDSPThumb2 : SubtargetFeature<"t2dsp", "Thumb2DSP", "true",
- "Supports v7 DSP instructions in Thumb2">;
+/// DSP extension (called "t2dsp" for backwards compatibility only).
+def FeatureDSP : SubtargetFeature<"t2dsp", "HasDSP", "true",
+ "Supports DSP instructions in ARM and/or Thumb2">;
// Multiprocessing extension.
def FeatureMP : SubtargetFeature<"mp", "HasMPExtension", "true",
def FeatureNaClTrap : SubtargetFeature<"nacl-trap", "UseNaClTrap", "true",
"NaCl trap">;
+def FeatureStrictAlign : SubtargetFeature<"strict-align",
+ "StrictAlign", "true",
+ "Disallow all unaligned memory "
+ "access">;
+
+def FeatureLongCalls : SubtargetFeature<"long-calls", "GenLongCalls", "true",
+ "Generate calls via indirect call "
+ "instructions">;
+
+def FeatureReserveR9 : SubtargetFeature<"reserve-r9", "ReserveR9", "true",
+ "Reserve R9, making it unavailable as "
+ "GPR">;
+
+def FeatureNoMovt : SubtargetFeature<"no-movt", "NoMovt", "true",
+ "Don't use movt/movw pairs for 32-bit "
+ "imms">;
+
// ARM ISAs.
def HasV4TOps : SubtargetFeature<"v4t", "HasV4TOps", "true",
"Support ARM v4T instructions">;
def HasV6MOps : SubtargetFeature<"v6m", "HasV6MOps", "true",
"Support ARM v6M instructions",
[HasV6Ops]>;
+def HasV6KOps : SubtargetFeature<"v6k", "HasV6KOps", "true",
+ "Support ARM v6k instructions",
+ [HasV6Ops]>;
def HasV6T2Ops : SubtargetFeature<"v6t2", "HasV6T2Ops", "true",
"Support ARM v6t2 instructions",
- [HasV6MOps, FeatureThumb2]>;
+ [HasV6MOps, HasV6KOps, FeatureThumb2]>;
def HasV7Ops : SubtargetFeature<"v7", "HasV7Ops", "true",
"Support ARM v7 instructions",
[HasV6T2Ops, FeaturePerfMon]>;
"Support ARM v8 instructions",
[HasV7Ops, FeatureVirtualization,
FeatureMP]>;
+def HasV8_1aOps : SubtargetFeature<"v8.1a", "HasV8_1aOps", "true",
+ "Support ARM v8.1a instructions",
+ [HasV8Ops, FeatureAClass, FeatureCRC]>;
//===----------------------------------------------------------------------===//
// ARM Processors supported.
FeatureAvoidPartialCPSR,
FeatureTrustZone, FeatureVirtualization]>;
+def ProcA17 : SubtargetFeature<"a17", "ARMProcFamily", "CortexA17",
+ "Cortex-A17 ARM processors",
+ [FeatureVMLxForwarding,
+ FeatureT2XtPk, FeatureVFP4,
+ FeatureHWDiv, FeatureHWDivARM,
+ FeatureAvoidPartialCPSR,
+ FeatureVirtualization,
+ FeatureTrustZone]>;
+
def ProcA53 : SubtargetFeature<"a53", "ARMProcFamily", "CortexA53",
"Cortex-A53 ARM processors",
[FeatureHWDiv, FeatureHWDivARM,
FeatureTrustZone, FeatureT2XtPk,
FeatureCrypto, FeatureCRC]>;
+def ProcR4 : SubtargetFeature<"r4", "ARMProcFamily", "CortexR4",
+ "Cortex-R4 ARM processors",
+ [FeatureHWDiv,
+ FeatureAvoidPartialCPSR,
+ FeatureDSP, FeatureT2XtPk, HasV7Ops,
+ FeatureDB, FeatureHasRAS, FeatureRClass]>;
+
def ProcR5 : SubtargetFeature<"r5", "ARMProcFamily", "CortexR5",
"Cortex-R5 ARM processors",
[FeatureSlowFPBrcc,
FeatureAvoidPartialCPSR,
FeatureT2XtPk]>;
+// FIXME: krait has currently the same features as A9
+// plus VFP4 and hardware division features.
+def ProcKrait : SubtargetFeature<"krait", "ARMProcFamily", "Krait",
+ "Qualcomm ARM processors",
+ [FeatureVMLxForwarding,
+ FeatureT2XtPk, FeatureFP16,
+ FeatureAvoidPartialCPSR,
+ FeatureTrustZone,
+ FeatureVFP4,
+ FeatureHWDiv,
+ FeatureHWDivARM]>;
+
+
class ProcNoItin<string Name, list<SubtargetFeature> Features>
: Processor<Name, NoItineraries, Features>;
def : Processor<"arm1136j-s", ARMV6Itineraries, [HasV6Ops]>;
def : Processor<"arm1136jf-s", ARMV6Itineraries, [HasV6Ops, FeatureVFP2,
FeatureHasSlowFPVMLx]>;
-def : Processor<"arm1176jz-s", ARMV6Itineraries, [HasV6Ops]>;
-def : Processor<"arm1176jzf-s", ARMV6Itineraries, [HasV6Ops, FeatureVFP2,
- FeatureHasSlowFPVMLx]>;
-def : Processor<"mpcorenovfp", ARMV6Itineraries, [HasV6Ops]>;
-def : Processor<"mpcore", ARMV6Itineraries, [HasV6Ops, FeatureVFP2,
- FeatureHasSlowFPVMLx]>;
// V6M Processors.
def : Processor<"cortex-m0", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
FeatureDB, FeatureMClass]>;
+def : Processor<"cortex-m0plus", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
+ FeatureDB, FeatureMClass]>;
+def : Processor<"cortex-m1", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
+ FeatureDB, FeatureMClass]>;
+def : Processor<"sc000", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
+ FeatureDB, FeatureMClass]>;
+
+// V6K Processors.
+def : Processor<"arm1176jz-s", ARMV6Itineraries, [HasV6KOps]>;
+def : Processor<"arm1176jzf-s", ARMV6Itineraries, [HasV6KOps, FeatureVFP2,
+ FeatureHasSlowFPVMLx]>;
+def : Processor<"mpcorenovfp", ARMV6Itineraries, [HasV6KOps]>;
+def : Processor<"mpcore", ARMV6Itineraries, [HasV6KOps, FeatureVFP2,
+ FeatureHasSlowFPVMLx]>;
// V6T2 Processors.
-def : Processor<"arm1156t2-s", ARMV6Itineraries, [HasV6T2Ops,
- FeatureDSPThumb2]>;
+def : Processor<"arm1156t2-s", ARMV6Itineraries, [HasV6T2Ops, FeatureDSP]>;
def : Processor<"arm1156t2f-s", ARMV6Itineraries, [HasV6T2Ops, FeatureVFP2,
FeatureHasSlowFPVMLx,
- FeatureDSPThumb2]>;
+ FeatureDSP]>;
// V7a Processors.
// FIXME: A5 has currently the same Schedule model as A8
def : ProcessorModel<"cortex-a5", CortexA8Model,
[ProcA5, HasV7Ops, FeatureNEON, FeatureDB,
- FeatureVFP4, FeatureDSPThumb2,
+ FeatureVFP4, FeatureDSP,
FeatureHasRAS, FeatureAClass]>;
def : ProcessorModel<"cortex-a7", CortexA8Model,
[ProcA7, HasV7Ops, FeatureNEON, FeatureDB,
- FeatureDSPThumb2, FeatureHasRAS,
- FeatureAClass]>;
+ FeatureDSP, FeatureHasRAS, FeatureAClass]>;
def : ProcessorModel<"cortex-a8", CortexA8Model,
[ProcA8, HasV7Ops, FeatureNEON, FeatureDB,
- FeatureDSPThumb2, FeatureHasRAS,
- FeatureAClass]>;
+ FeatureDSP, FeatureHasRAS, FeatureAClass]>;
def : ProcessorModel<"cortex-a9", CortexA9Model,
[ProcA9, HasV7Ops, FeatureNEON, FeatureDB,
- FeatureDSPThumb2, FeatureHasRAS,
+ FeatureDSP, FeatureHasRAS, FeatureMP,
FeatureAClass]>;
-def : ProcessorModel<"cortex-a9-mp", CortexA9Model,
- [ProcA9, HasV7Ops, FeatureNEON, FeatureDB,
- FeatureDSPThumb2, FeatureMP,
- FeatureHasRAS, FeatureAClass]>;
// FIXME: A12 has currently the same Schedule model as A9
def : ProcessorModel<"cortex-a12", CortexA9Model,
[ProcA12, HasV7Ops, FeatureNEON, FeatureDB,
- FeatureDSPThumb2, FeatureMP,
+ FeatureDSP, FeatureMP,
FeatureHasRAS, FeatureAClass]>;
// FIXME: A15 has currently the same ProcessorModel as A9.
def : ProcessorModel<"cortex-a15", CortexA9Model,
[ProcA15, HasV7Ops, FeatureNEON, FeatureDB,
- FeatureDSPThumb2, FeatureHasRAS,
- FeatureAClass]>;
+ FeatureDSP, FeatureHasRAS, FeatureAClass]>;
+
+// FIXME: A17 has currently the same Schedule model as A9
+def : ProcessorModel<"cortex-a17", CortexA9Model,
+ [ProcA17, HasV7Ops, FeatureNEON, FeatureDB,
+ FeatureDSP, FeatureMP,
+ FeatureHasRAS, FeatureAClass]>;
+
+// FIXME: krait has currently the same Schedule model as A9
+def : ProcessorModel<"krait", CortexA9Model,
+ [ProcKrait, HasV7Ops,
+ FeatureNEON, FeatureDB,
+ FeatureDSP, FeatureHasRAS, FeatureAClass]>;
+
+// FIXME: R4 has currently the same ProcessorModel as A8.
+def : ProcessorModel<"cortex-r4", CortexA8Model,
+ [ProcR4]>;
+
+// FIXME: R4F has currently the same ProcessorModel as A8.
+def : ProcessorModel<"cortex-r4f", CortexA8Model,
+ [ProcR4,
+ FeatureSlowFPBrcc, FeatureHasSlowFPVMLx,
+ FeatureVFP3, FeatureD16]>;
// FIXME: R5 has currently the same ProcessorModel as A8.
def : ProcessorModel<"cortex-r5", CortexA8Model,
[ProcR5, HasV7Ops, FeatureDB,
- FeatureVFP3, FeatureDSPThumb2,
- FeatureHasRAS, FeatureVFPOnlySP,
+ FeatureVFP3, FeatureDSP, FeatureHasRAS,
FeatureD16, FeatureRClass]>;
+// FIXME: R7 has currently the same ProcessorModel as A8 and is modelled as R5.
+def : ProcessorModel<"cortex-r7", CortexA8Model,
+ [ProcR5, HasV7Ops, FeatureDB,
+ FeatureVFP3, FeatureDSP,
+ FeatureHasRAS, FeatureVFPOnlySP,
+ FeatureD16, FeatureMP, FeatureRClass]>;
+
// V7M Processors.
def : ProcNoItin<"cortex-m3", [HasV7Ops,
FeatureThumb2, FeatureNoARM, FeatureDB,
FeatureHWDiv, FeatureMClass]>;
+def : ProcNoItin<"sc300", [HasV7Ops,
+ FeatureThumb2, FeatureNoARM, FeatureDB,
+ FeatureHWDiv, FeatureMClass]>;
// V7EM Processors.
def : ProcNoItin<"cortex-m4", [HasV7Ops,
FeatureThumb2, FeatureNoARM, FeatureDB,
- FeatureHWDiv, FeatureDSPThumb2,
- FeatureT2XtPk, FeatureVFP4,
- FeatureVFPOnlySP, FeatureD16,
+ FeatureHWDiv, FeatureDSP, FeatureT2XtPk,
+ FeatureVFP4, FeatureVFPOnlySP, FeatureD16,
FeatureMClass]>;
+def : ProcNoItin<"cortex-m7", [HasV7Ops,
+ FeatureThumb2, FeatureNoARM, FeatureDB,
+ FeatureHWDiv, FeatureDSP,
+ FeatureT2XtPk, FeatureFPARMv8,
+ FeatureD16, FeatureMClass]>;
+
// Swift uArch Processors.
def : ProcessorModel<"swift", SwiftModel,
[ProcSwift, HasV7Ops, FeatureNEON,
- FeatureDB, FeatureDSPThumb2,
+ FeatureDB, FeatureDSP,
FeatureHasRAS, FeatureAClass]>;
// V8 Processors
def : ProcNoItin<"cortex-a53", [ProcA53, HasV8Ops, FeatureAClass,
FeatureDB, FeatureFPARMv8,
- FeatureNEON, FeatureDSPThumb2]>;
+ FeatureNEON, FeatureDSP]>;
def : ProcNoItin<"cortex-a57", [ProcA57, HasV8Ops, FeatureAClass,
FeatureDB, FeatureFPARMv8,
- FeatureNEON, FeatureDSPThumb2]>;
+ FeatureNEON, FeatureDSP]>;
+// FIXME: Cortex-A72 is currently modelled as an Cortex-A57.
+def : ProcNoItin<"cortex-a72", [ProcA57, HasV8Ops, FeatureAClass,
+ FeatureDB, FeatureFPARMv8,
+ FeatureNEON, FeatureDSP]>;
+
+// Cyclone is very similar to swift
+def : ProcessorModel<"cyclone", SwiftModel,
+ [ProcSwift, HasV8Ops, HasV7Ops,
+ FeatureCrypto, FeatureFPARMv8,
+ FeatureDB, FeatureDSP,
+ FeatureHasRAS, FeatureZCZeroing]>;
//===----------------------------------------------------------------------===//
// Register File Description
// Declare the target which we are implementing
//===----------------------------------------------------------------------===//
+def ARMAsmWriter : AsmWriter {
+ string AsmWriterClassName = "InstPrinter";
+ int PassSubtarget = 1;
+ int Variant = 0;
+ bit isMCAsmWriter = 1;
+}
+
def ARM : Target {
// Pull in Instruction Info:
let InstructionSet = ARMInstrInfo;
+ let AssemblyWriters = [ARMAsmWriter];
}
projects / oota-llvm.git / blobdiff