diff options
Diffstat (limited to 'lib/Target/X86/X86Subtarget.h')
| -rw-r--r-- | lib/Target/X86/X86Subtarget.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h index a91c12506c..4c7b8fc4de 100644 --- a/lib/Target/X86/X86Subtarget.h +++ b/lib/Target/X86/X86Subtarget.h @@ -136,6 +136,10 @@ protected: /// the stack pointer. This is an optimization for Intel Atom processors. bool UseLeaForSP; + /// HasSlowDivide - True if smaller divides are significantly faster than + /// full divides and should be used when possible. + bool HasSlowDivide; + /// PostRAScheduler - True if using post-register-allocation scheduler. bool PostRAScheduler; @@ -201,6 +205,7 @@ public: bool hasSSE42() const { return X86SSELevel >= SSE42; } bool hasAVX() const { return X86SSELevel >= AVX; } bool hasAVX2() const { return X86SSELevel >= AVX2; } + bool hasNoAVX() const { return X86SSELevel < AVX; } bool hasSSE4A() const { return HasSSE4A; } bool has3DNow() const { return X863DNowLevel >= ThreeDNow; } bool has3DNowA() const { return X863DNowLevel >= ThreeDNowA; } @@ -208,7 +213,8 @@ public: bool hasAES() const { return HasAES; } bool hasPCLMUL() const { return HasPCLMUL; } bool hasFMA() const { return HasFMA; } - bool hasFMA4() const { return HasFMA4; } + // FIXME: Favor FMA when both are enabled. Is this the right thing to do? + bool hasFMA4() const { return HasFMA4 && !HasFMA; } bool hasXOP() const { return HasXOP; } bool hasMOVBE() const { return HasMOVBE; } bool hasRDRAND() const { return HasRDRAND; } @@ -222,6 +228,7 @@ public: bool hasVectorUAMem() const { return HasVectorUAMem; } bool hasCmpxchg16b() const { return HasCmpxchg16b; } bool useLeaForSP() const { return UseLeaForSP; } + bool hasSlowDivide() const { return HasSlowDivide; } bool isAtom() const { return X86ProcFamily == IntelAtom; } |