class GlobalValue;
class TargetMachine;
+/// PICStyles - The X86 backend supports a number of different styles of PIC.
+///
namespace PICStyles {
enum Style {
- Stub, GOT, RIPRel, WinPIC, None
+ Stub, // Used on i386-darwin
+ GOT, // Used on many 32-bit unices.
+ RIPRel, // Used on X86-64 when not in -static mode.
+ None // Set when in -static mode (not PIC or DynamicNoPIC mode).
};
}
///
bool HasX86_64;
+ /// HasSSE4A - True if the processor supports SSE4A instructions.
+ bool HasSSE4A;
+
+ /// HasAVX - Target has AVX instructions
+ bool HasAVX;
+
+ /// HasFMA3 - Target has 3-operand fused multiply-add
+ bool HasFMA3;
+
+ /// HasFMA4 - Target has 4-operand fused multiply-add
+ bool HasFMA4;
+
/// IsBTMemSlow - True if BT (bit test) of memory instructions are slow.
bool IsBTMemSlow;
/// ParseSubtargetFeatures - Parses features string setting specified
/// subtarget options. Definition of function is auto generated by tblgen.
- void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
+ std::string ParseSubtargetFeatures(const std::string &FS,
+ const std::string &CPU);
/// AutoDetectSubtargetFeatures - Auto-detect CPU features using CPUID
/// instruction.
bool hasSSSE3() const { return X86SSELevel >= SSSE3; }
bool hasSSE41() const { return X86SSELevel >= SSE41; }
bool hasSSE42() const { return X86SSELevel >= SSE42; }
+ bool hasSSE4A() const { return HasSSE4A; }
bool has3DNow() const { return X863DNowLevel >= ThreeDNow; }
bool has3DNowA() const { return X863DNowLevel >= ThreeDNowA; }
+ bool hasAVX() const { return HasAVX; }
+ bool hasFMA3() const { return HasFMA3; }
+ bool hasFMA4() const { return HasFMA4; }
bool isBTMemSlow() const { return IsBTMemSlow; }
bool isPICStyleGOT() const { return PICStyle == PICStyles::GOT; }
bool isPICStyleStub() const { return PICStyle == PICStyles::Stub; }
bool isPICStyleRIPRel() const { return PICStyle == PICStyles::RIPRel; }
- bool isPICStyleWinPIC() const { return PICStyle == PICStyles:: WinPIC; }
/// getDarwinVers - Return the darwin version number, 8 = tiger, 9 = leopard.
unsigned getDarwinVers() const { return DarwinVers; }