class ARMSubtarget : public TargetSubtarget {
protected:
enum ARMArchEnum {
- V4, V4T, V5T, V5TE, V6, V6T2, V7A
+ V4, V4T, V5T, V5TE, V6, V6T2, V7A, V7M
};
enum ARMFPEnum {
};
/// ARMArchVersion - ARM architecture version: V4, V4T (base), V5T, V5TE,
- /// V6, V6T2, V7A.
+ /// V6, V6T2, V7A, V7M.
ARMArchEnum ARMArchVersion;
/// ARMFPUType - Floating Point Unit type.
/// determine if NEON should actually be used.
bool UseNEONForSinglePrecisionFP;
- /// UseVMLx - If the VFP2 instructions are available, indicates whether
- /// the VML[AS] instructions should be used.
- bool UseVMLx;
+ /// SlowVMLx - If the VFP2 instructions are available, indicates whether
+ /// the VML[AS] instructions are slow (if so, don't use them).
+ bool SlowVMLx;
+
+ /// SlowFPBrcc - True if floating point compare + branch is slow.
+ bool SlowFPBrcc;
/// IsThumb - True if we are in thumb mode, false if in ARM mode.
bool IsThumb;
/// only so far)
bool HasFP16;
+ /// HasHardwareDivide - True if subtarget supports [su]div
+ bool HasHardwareDivide;
+
+ /// HasT2ExtractPack - True if subtarget supports thumb2 extract/pack
+ /// instructions.
+ bool HasT2ExtractPack;
+
/// stackAlignment - The minimum alignment known to hold of the stack frame on
/// entry to the function and which must be maintained by every function.
unsigned stackAlignment;
bool hasNEON() const { return ARMFPUType >= NEON; }
bool useNEONForSinglePrecisionFP() const {
return hasNEON() && UseNEONForSinglePrecisionFP; }
- bool useVMLx() const {return hasVFP2() && UseVMLx; }
+ bool hasDivide() const { return HasHardwareDivide; }
+ bool hasT2ExtractPack() const { return HasT2ExtractPack; }
+ bool useVMLx() const {return hasVFP2() && !SlowVMLx; }
+ bool isFPBrccSlow() const { return SlowFPBrcc; }
bool hasFP16() const { return HasFP16; }
/// GVIsIndirectSymbol - true if the GV will be accessed via an indirect
/// symbol.
- bool GVIsIndirectSymbol(GlobalValue *GV, Reloc::Model RelocM) const;
+ bool GVIsIndirectSymbol(const GlobalValue *GV, Reloc::Model RelocM) const;
};
} // End llvm namespace