#define ARMSUBTARGET_H
#include "MCTargetDesc/ARMMCTargetDesc.h"
-#include "llvm/Target/TargetSubtargetInfo.h"
-#include "llvm/MC/MCInstrItineraries.h"
#include "llvm/ADT/Triple.h"
+#include "llvm/MC/MCInstrItineraries.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
#include <string>
#define GET_SUBTARGETINFO_HEADER
class ARMSubtarget : public ARMGenSubtargetInfo {
protected:
enum ARMProcFamilyEnum {
- Others, CortexA8, CortexA9, CortexA15
+ Others, CortexA5, CortexA8, CortexA9, CortexA15, Swift
};
/// ARMProcFamily - ARM processor family: Cortex-A8, Cortex-A9, and others.
/// determine if NEON should actually be used.
bool UseNEONForSinglePrecisionFP;
+ /// UseMulOps - True if non-microcoded fused integer multiply-add and
+ /// multiply-subtract instructions should be used.
+ bool UseMulOps;
+
/// SlowFPVMLx - If the VFP2 / NEON instructions are available, indicates
/// whether the FP VML[AS] instructions are slow (if so, don't use them).
bool SlowFPVMLx;
/// HasHardwareDivide - True if subtarget supports [su]div
bool HasHardwareDivide;
+ /// HasHardwareDivideInARM - True if subtarget supports [su]div in ARM mode
+ bool HasHardwareDivideInARM;
+
/// HasT2ExtractPack - True if subtarget supports thumb2 extract/pack
/// instructions.
bool HasT2ExtractPack;
/// CPSR setting instruction.
bool AvoidCPSRPartialUpdate;
+ /// AvoidMOVsShifterOperand - If true, codegen should avoid using flag setting
+ /// movs with shifter operand (i.e. asr, lsl, lsr).
+ bool AvoidMOVsShifterOperand;
+
/// HasRAS - Some processors perform return stack prediction. CodeGen should
/// avoid issue "normal" call instructions to callees which do not return.
bool HasRAS;
bool hasV6T2Ops() const { return HasV6T2Ops; }
bool hasV7Ops() const { return HasV7Ops; }
+ bool isCortexA5() const { return ARMProcFamily == CortexA5; }
bool isCortexA8() const { return ARMProcFamily == CortexA8; }
bool isCortexA9() const { return ARMProcFamily == CortexA9; }
bool isCortexA15() const { return ARMProcFamily == CortexA15; }
+ bool isSwift() const { return ARMProcFamily == Swift; }
bool isCortexM3() const { return CPUString == "cortex-m3"; }
bool isLikeA9() const { return isCortexA9() || isCortexA15(); }
return hasNEON() && UseNEONForSinglePrecisionFP; }
bool hasDivide() const { return HasHardwareDivide; }
+ bool hasDivideInARMMode() const { return HasHardwareDivideInARM; }
bool hasT2ExtractPack() const { return HasT2ExtractPack; }
bool hasDataBarrier() const { return HasDataBarrier; }
+ bool useMulOps() const { return UseMulOps; }
bool useFPVMLx() const { return !SlowFPVMLx; }
bool hasVMLxForwarding() const { return HasVMLxForwarding; }
bool isFPBrccSlow() const { return SlowFPBrcc; }
bool isFPOnlySP() const { return FPOnlySP; }
bool prefers32BitThumb() const { return Pref32BitThumb; }
bool avoidCPSRPartialUpdate() const { return AvoidCPSRPartialUpdate; }
+ bool avoidMOVsShifterOperand() const { return AvoidMOVsShifterOperand; }
bool hasRAS() const { return HasRAS; }
bool hasMPExtension() const { return HasMPExtension; }
bool hasThumb2DSP() const { return Thumb2DSP; }
bool isTargetIOS() const { return TargetTriple.getOS() == Triple::IOS; }
bool isTargetDarwin() const { return TargetTriple.isOSDarwin(); }
bool isTargetNaCl() const {
- return TargetTriple.getOS() == Triple::NativeClient;
+ return TargetTriple.getOS() == Triple::NaCl;
}
bool isTargetELF() const { return !isTargetDarwin(); }