Add LLVM support for PPC cryptography builtins

[oota-llvm.git] / lib / Target / PowerPC / PPCSubtarget.h

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index 993afdf82b5308b1ed49a74d615cb199fd32369c..a74b5fb4a86182c084c391fd8b2fbc25d118cd93 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -15,8 +15,8 @@
 #define LLVM_LIB_TARGET_POWERPC_PPCSUBTARGET_H
 
 #include "PPCFrameLowering.h"
-#include "PPCInstrInfo.h"
 #include "PPCISelLowering.h"
+#include "PPCInstrInfo.h"
 #include "PPCSelectionDAGInfo.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/IR/DataLayout.h"
@@ -68,9 +68,6 @@ protected:
   /// TargetTriple - What processor and OS we're targeting.
   Triple TargetTriple;
 
-  // Calculates type size & alignment
-  const DataLayout DL;
-
   /// 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;
@@ -91,6 +88,9 @@ protected:
   bool HasSPE;
   bool HasQPX;
   bool HasVSX;
+  bool HasP8Vector;
+  bool HasP8Altivec;
+  bool HasP8Crypto;
   bool HasFCPSGN;
   bool HasFSQRT;
   bool HasFRE, HasFRES, HasFRSQRTE, HasFRSQRTES;
@@ -101,8 +101,10 @@ protected:
   bool HasFPCVT;
   bool HasISEL;
   bool HasPOPCNTD;
+  bool HasCMPB;
   bool HasLDBRX;
   bool IsBookE;
+  bool HasOnlyMSYNC;
   bool IsE500;
   bool IsPPC4xx;
   bool IsPPC6xx;
@@ -110,13 +112,15 @@ protected:
   bool DeprecatedDST;
   bool HasLazyResolverStubs;
   bool IsLittleEndian;
+  bool HasICBT;
+  bool HasInvariantFunctionDescriptors;
 
-  enum {
-    PPC_ABI_UNKNOWN,
-    PPC_ABI_ELFv1,
-    PPC_ABI_ELFv2
-  } TargetABI;
+  /// When targeting QPX running a stock PPC64 Linux kernel where the stack
+  /// alignment has not been changed, we need to keep the 16-byte alignment
+  /// of the stack.
+  bool IsQPXStackUnaligned;
 
+  const PPCTargetMachine &TM;
   PPCFrameLowering FrameLowering;
   PPCInstrInfo InstrInfo;
   PPCTargetLowering TLInfo;
@@ -151,7 +155,6 @@ public:
   const PPCFrameLowering *getFrameLowering() const override {
     return &FrameLowering;
   }
-  const DataLayout *getDataLayout() const override { return &DL; }
   const PPCInstrInfo *getInstrInfo() const override { return &InstrInfo; }
   const PPCTargetLowering *getTargetLowering() const override {
     return &TLInfo;
@@ -162,6 +165,7 @@ public:
   const PPCRegisterInfo *getRegisterInfo() const override {
     return &getInstrInfo()->getRegisterInfo();
   }
+  const PPCTargetMachine &getTargetMachine() const { return TM; }
 
   /// initializeSubtargetDependencies - Initializes using a CPU and feature string
   /// so that we can use initializer lists for subtarget initialization.
@@ -174,7 +178,7 @@ private:
 public:
   /// isPPC64 - Return true if we are generating code for 64-bit pointer mode.
   ///
-  bool isPPC64() const { return IsPPC64; }
+  bool isPPC64() const;
 
   /// has64BitSupport - Return true if the selected CPU supports 64-bit
   /// instructions, regardless of whether we are in 32-bit or 64-bit mode.
@@ -192,8 +196,7 @@ public:
   /// hasLazyResolverStub - Return true if accesses to the specified global have
   /// to go through a dyld lazy resolution stub.  This means that an extra load
   /// is required to get the address of the global.
-  bool hasLazyResolverStub(const GlobalValue *GV,
-                           const TargetMachine &TM) const;
+  bool hasLazyResolverStub(const GlobalValue *GV) const;
 
   // isLittleEndian - True if generating little-endian code
   bool isLittleEndian() const { return IsLittleEndian; }
@@ -214,16 +217,33 @@ public:
   bool hasSPE() const { return HasSPE; }
   bool hasQPX() const { return HasQPX; }
   bool hasVSX() const { return HasVSX; }
+  bool hasP8Vector() const { return HasP8Vector; }
+  bool hasP8Altivec() const { return HasP8Altivec; }
+  bool hasP8Crypto() const { return HasP8Crypto; }
   bool hasMFOCRF() const { return HasMFOCRF; }
   bool hasISEL() const { return HasISEL; }
   bool hasPOPCNTD() const { return HasPOPCNTD; }
+  bool hasCMPB() const { return HasCMPB; }
   bool hasLDBRX() const { return HasLDBRX; }
   bool isBookE() const { return IsBookE; }
+  bool hasOnlyMSYNC() const { return HasOnlyMSYNC; }
   bool isPPC4xx() const { return IsPPC4xx; }
   bool isPPC6xx() const { return IsPPC6xx; }
   bool isE500() const { return IsE500; }
   bool isDeprecatedMFTB() const { return DeprecatedMFTB; }
   bool isDeprecatedDST() const { return DeprecatedDST; }
+  bool hasICBT() const { return HasICBT; }
+  bool hasInvariantFunctionDescriptors() const {
+    return HasInvariantFunctionDescriptors;
+  }
+
+  bool isQPXStackUnaligned() const { return IsQPXStackUnaligned; }
+  unsigned getPlatformStackAlignment() const {
+    if ((hasQPX() || isBGQ()) && !isQPXStackUnaligned())
+      return 32;
+
+    return 16;
+  }
 
   const Triple &getTargetTriple() const { return TargetTriple; }
 
@@ -235,9 +255,9 @@ public:
   bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
   bool isTargetMachO() const { return TargetTriple.isOSBinFormatMachO(); }
 
-  bool isDarwinABI() const { return isDarwin(); }
-  bool isSVR4ABI() const { return !isDarwin(); }
-  bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; }
+  bool isDarwinABI() const { return isTargetMachO() || isDarwin(); }
+  bool isSVR4ABI() const { return !isDarwinABI(); }
+  bool isELFv2ABI() const;
 
   bool enableEarlyIfConversion() const override { return hasISEL(); }
 
@@ -253,6 +273,8 @@ public:
                            MachineInstr *end,
                            unsigned NumRegionInstrs) const override;
   bool useAA() const override;
+
+  bool enableSubRegLiveness() const override;
 };
 } // End llvm namespace