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| author | Craig Topper <craig.topper@gmail.com> | 2011-10-16 07:55:05 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2011-10-16 07:55:05 +0000 |
| commit | b53fa8bf19a51f0c49a9f8b6ede3e2ff3bdfb961 (patch) | |
| tree | b1e46ae4478216cfe10014153b5825026f99d329 /lib/Target/X86/X86Subtarget.h | |
| parent | dc479c4a897bb7cc756370cc2051da79b65e7d16 (diff) | |
Add X86 BZHI instruction as well as BMI2 feature detection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142122 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86Subtarget.h')
| -rw-r--r-- | lib/Target/X86/X86Subtarget.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h index 3258d3d0ad..81fa176bd0 100644 --- a/lib/Target/X86/X86Subtarget.h +++ b/lib/Target/X86/X86Subtarget.h @@ -105,6 +105,9 @@ protected: /// HasBMI - Processor has BMI1 instructions. bool HasBMI; + /// HasBMI2 - Processor has BMI2 instructions. + bool HasBMI2; + /// IsBTMemSlow - True if BT (bit test) of memory instructions are slow. bool IsBTMemSlow; @@ -192,6 +195,7 @@ public: bool hasF16C() const { return HasF16C; } bool hasLZCNT() const { return HasLZCNT; } bool hasBMI() const { return HasBMI; } + bool hasBMI2() const { return HasBMI2; } bool isBTMemSlow() const { return IsBTMemSlow; } bool isUnalignedMemAccessFast() const { return IsUAMemFast; } bool hasVectorUAMem() const { return HasVectorUAMem; } |