X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FTargetParser.h;h=c21019d0c5b89d16ae332d4f40e1d53b4627e6a3;hb=HEAD;hp=174276f6b7b6ee439d64d7b97d57cf102e381ae5;hpb=ed7316767349283918e5fd6d486582156abed294;p=oota-llvm.git

diff --git a/include/llvm/Support/TargetParser.h b/include/llvm/Support/TargetParser.h
index 174276f6b7b..c21019d0c5b 100644
--- a/include/llvm/Support/TargetParser.h
+++ b/include/llvm/Support/TargetParser.h
@@ -15,8 +15,12 @@
 #ifndef LLVM_SUPPORT_TARGETPARSER_H
 #define LLVM_SUPPORT_TARGETPARSER_H
 
+// FIXME: vector is used because that's what clang uses for subtarget feature
+// lists, but SmallVector would probably be better
+#include <vector>
+
 namespace llvm {
-  class StringRef;
+class StringRef;
 
 // Target specific information into their own namespaces. These should be
 // generated from TableGen because the information is already there, and there
@@ -25,89 +29,117 @@ namespace llvm {
 // even if the back-end is not compiled with LLVM, plus we need to create a new
 // back-end to TableGen to create these clean tables.
 namespace ARM {
-  // FPU names.
-  enum FPUKind {
-    FK_INVALID = 0,
-    FK_VFP,
-    FK_VFPV2,
-    FK_VFPV3,
-    FK_VFPV3_D16,
-    FK_VFPV4,
-    FK_VFPV4_D16,
-    FK_FPV5_D16,
-    FK_FP_ARMV8,
-    FK_NEON,
-    FK_NEON_VFPV4,
-    FK_NEON_FP_ARMV8,
-    FK_CRYPTO_NEON_FP_ARMV8,
-    FK_SOFTVFP,
-    FK_LAST
-  };
-
-  // Arch names.
-  enum ArchKind {
-    AK_INVALID = 0,
-    AK_ARMV2,
-    AK_ARMV2A,
-    AK_ARMV3,
-    AK_ARMV3M,
-    AK_ARMV4,
-    AK_ARMV4T,
-    AK_ARMV5,
-    AK_ARMV5T,
-    AK_ARMV5TE,
-    AK_ARMV6,
-    AK_ARMV6J,
-    AK_ARMV6K,
-    AK_ARMV6T2,
-    AK_ARMV6Z,
-    AK_ARMV6ZK,
-    AK_ARMV6M,
-    AK_ARMV7,
-    AK_ARMV7A,
-    AK_ARMV7R,
-    AK_ARMV7M,
-    AK_ARMV8A,
-    AK_ARMV8_1A,
-    AK_IWMMXT,
-    AK_IWMMXT2,
-    AK_LAST
-  };
-
-  // Arch extension modifiers for CPUs.
-  enum ArchExtKind {
-    AEK_INVALID = 0,
-    AEK_CRC,
-    AEK_CRYPTO,
-    AEK_FP,
-    AEK_HWDIV,
-    AEK_MP,
-    AEK_SEC,
-    AEK_VIRT,
-    AEK_LAST
-  };
 
-} // namespace ARM
+// FPU names.
+enum FPUKind {
+#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) KIND,
+#include "ARMTargetParser.def"
+  FK_LAST
+};
+
+// FPU Version
+enum FPUVersion {
+  FV_NONE = 0,
+  FV_VFPV2,
+  FV_VFPV3,
+  FV_VFPV3_FP16,
+  FV_VFPV4,
+  FV_VFPV5
+};
+
+// An FPU name implies one of three levels of Neon support:
+enum NeonSupportLevel {
+  NS_None = 0, ///< No Neon
+  NS_Neon,     ///< Neon
+  NS_Crypto    ///< Neon with Crypto
+};
+
+// An FPU name restricts the FPU in one of three ways:
+enum FPURestriction {
+  FR_None = 0, ///< No restriction
+  FR_D16,      ///< Only 16 D registers
+  FR_SP_D16    ///< Only single-precision instructions, with 16 D registers
+};
+
+// Arch names.
+enum ArchKind {
+#define ARM_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) ID,
+#include "ARMTargetParser.def"
+  AK_LAST
+};
 
-// Target Parsers, one per architecture.
-class ARMTargetParser {
-  static StringRef getFPUSynonym(StringRef FPU);
-  static StringRef getArchSynonym(StringRef Arch);
-
-public:
-  // Information by ID
-  static const char * getFPUName(unsigned ID);
-  static const char * getArchName(unsigned ID);
-  static unsigned getArchDefaultCPUArch(unsigned ID);
-  static const char * getArchDefaultCPUName(unsigned ID);
-  static const char * getArchExtName(unsigned ID);
-
-  // Parser
-  static unsigned parseFPU(StringRef FPU);
-  static unsigned parseArch(StringRef Arch);
-  static unsigned parseArchExt(StringRef ArchExt);
+// Arch extension modifiers for CPUs.
+enum ArchExtKind : unsigned {
+  AEK_INVALID = 0x0,
+  AEK_NONE = 0x1,
+  AEK_CRC = 0x2,
+  AEK_CRYPTO = 0x4,
+  AEK_FP = 0x8,
+  AEK_HWDIV = 0x10,
+  AEK_HWDIVARM = 0x20,
+  AEK_MP = 0x40,
+  AEK_SIMD = 0x80,
+  AEK_SEC = 0x100,
+  AEK_VIRT = 0x200,
+  AEK_DSP = 0x400,
+  AEK_FP16 = 0x800,
+  // Unsupported extensions.
+  AEK_OS = 0x8000000,
+  AEK_IWMMXT = 0x10000000,
+  AEK_IWMMXT2 = 0x20000000,
+  AEK_MAVERICK = 0x40000000,
+  AEK_XSCALE = 0x80000000,
 };
 
+// ISA kinds.
+enum ISAKind { IK_INVALID = 0, IK_ARM, IK_THUMB, IK_AARCH64 };
+
+// Endianness
+// FIXME: BE8 vs. BE32?
+enum EndianKind { EK_INVALID = 0, EK_LITTLE, EK_BIG };
+
+// v6/v7/v8 Profile
+enum ProfileKind { PK_INVALID = 0, PK_A, PK_R, PK_M };
+
+StringRef getCanonicalArchName(StringRef Arch);
+
+// Information by ID
+StringRef getFPUName(unsigned FPUKind);
+unsigned getFPUVersion(unsigned FPUKind);
+unsigned getFPUNeonSupportLevel(unsigned FPUKind);
+unsigned getFPURestriction(unsigned FPUKind);
+
+// FIXME: These should be moved to TargetTuple once it exists
+bool getFPUFeatures(unsigned FPUKind, std::vector<const char *> &Features);
+bool getHWDivFeatures(unsigned HWDivKind, std::vector<const char *> &Features);
+bool getExtensionFeatures(unsigned Extensions,
+                                   std::vector<const char*> &Features);
+
+StringRef getArchName(unsigned ArchKind);
+unsigned getArchAttr(unsigned ArchKind);
+StringRef getCPUAttr(unsigned ArchKind);
+StringRef getSubArch(unsigned ArchKind);
+StringRef getArchExtName(unsigned ArchExtKind);
+const char *getArchExtFeature(StringRef ArchExt);
+StringRef getHWDivName(unsigned HWDivKind);
+
+// Information by Name
+unsigned  getDefaultFPU(StringRef CPU, unsigned ArchKind);
+unsigned  getDefaultExtensions(StringRef CPU, unsigned ArchKind);
+StringRef getDefaultCPU(StringRef Arch);
+
+// Parser
+unsigned parseHWDiv(StringRef HWDiv);
+unsigned parseFPU(StringRef FPU);
+unsigned parseArch(StringRef Arch);
+unsigned parseArchExt(StringRef ArchExt);
+unsigned parseCPUArch(StringRef CPU);
+unsigned parseArchISA(StringRef Arch);
+unsigned parseArchEndian(StringRef Arch);
+unsigned parseArchProfile(StringRef Arch);
+unsigned parseArchVersion(StringRef Arch);
+
+} // namespace ARM
 } // namespace llvm
 
 #endif