contrib/llvm/include/llvm/Support/AArch64TargetParser.h

   1 //===-- AArch64TargetParser - Parser for AArch64 features -------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file implements a target parser to recognise AArch64 hardware features
  11 // such as FPU/CPU/ARCH and extension names.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_SUPPORT_AARCH64TARGETPARSERCOMMON_H
  16 #define LLVM_SUPPORT_AARCH64TARGETPARSERCOMMON_H
  17
  18 #include "llvm/ADT/StringRef.h"
  19 #include "llvm/ADT/Triple.h"
  20 #include "llvm/Support/ARMTargetParser.h"
  21 #include <vector>
  22
  23 // FIXME:This should be made into class design,to avoid dupplication.
  24 namespace llvm {
  25 namespace AArch64 {
  26
  27 // Arch extension modifiers for CPUs.
  28 enum ArchExtKind : unsigned {
  29   AEK_INVALID =     0,
  30   AEK_NONE =        1,
  31   AEK_CRC =         1 << 1,
  32   AEK_CRYPTO =      1 << 2,
  33   AEK_FP =          1 << 3,
  34   AEK_SIMD =        1 << 4,
  35   AEK_FP16 =        1 << 5,
  36   AEK_PROFILE =     1 << 6,
  37   AEK_RAS =         1 << 7,
  38   AEK_LSE =         1 << 8,
  39   AEK_SVE =         1 << 9,
  40   AEK_DOTPROD =     1 << 10,
  41   AEK_RCPC =        1 << 11,
  42   AEK_RDM =         1 << 12,
  43   AEK_SM4 =         1 << 13,
  44   AEK_SHA3 =        1 << 14,
  45   AEK_SHA2 =        1 << 15,
  46   AEK_AES =         1 << 16,
  47   AEK_FP16FML =     1 << 17,
  48   AEK_RAND =        1 << 18,
  49   AEK_MTE =         1 << 19,
  50   AEK_SSBS =        1 << 20,
  51   AEK_SB =          1 << 21,
  52   AEK_PREDRES =     1 << 22,
  53 };
  54
  55 enum class ArchKind {
  56 #define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) ID,
  57 #include "AArch64TargetParser.def"
  58 };
  59
  60 const ARM::ArchNames<ArchKind> AArch64ARCHNames[] = {
  61 #define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU,        \
  62                      ARCH_BASE_EXT)                                            \
  63   {NAME,                                                                       \
  64    sizeof(NAME) - 1,                                                           \
  65    CPU_ATTR,                                                                   \
  66    sizeof(CPU_ATTR) - 1,                                                       \
  67    SUB_ARCH,                                                                   \
  68    sizeof(SUB_ARCH) - 1,                                                       \
  69    ARM::FPUKind::ARCH_FPU,                                                     \
  70    ARCH_BASE_EXT,                                                              \
  71    AArch64::ArchKind::ID,                                                      \
  72    ARCH_ATTR},
  73 #include "AArch64TargetParser.def"
  74 };
  75
  76 const ARM::ExtName AArch64ARCHExtNames[] = {
  77 #define AARCH64_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE)                   \
  78   {NAME, sizeof(NAME) - 1, ID, FEATURE, NEGFEATURE},
  79 #include "AArch64TargetParser.def"
  80 };
  81
  82 const ARM::CpuNames<ArchKind> AArch64CPUNames[] = {
  83 #define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)       \
  84   {NAME, sizeof(NAME) - 1, AArch64::ArchKind::ID, IS_DEFAULT, DEFAULT_EXT},
  85 #include "AArch64TargetParser.def"
  86 };
  87
  88 const ArchKind ArchKinds[] = {
  89 #define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) \
  90     ArchKind::ID,
  91 #include "AArch64TargetParser.def"
  92 };
  93
  94 // FIXME: These should be moved to TargetTuple once it exists
  95 bool getExtensionFeatures(unsigned Extensions,
  96                           std::vector<StringRef> &Features);
  97 bool getArchFeatures(ArchKind AK, std::vector<StringRef> &Features);
  98
  99 StringRef getArchName(ArchKind AK);
 100 unsigned getArchAttr(ArchKind AK);
 101 StringRef getCPUAttr(ArchKind AK);
 102 StringRef getSubArch(ArchKind AK);
 103 StringRef getArchExtName(unsigned ArchExtKind);
 104 StringRef getArchExtFeature(StringRef ArchExt);
 105
 106 // Information by Name
 107 unsigned getDefaultFPU(StringRef CPU, ArchKind AK);
 108 unsigned getDefaultExtensions(StringRef CPU, ArchKind AK);
 109 StringRef getDefaultCPU(StringRef Arch);
 110 ArchKind getCPUArchKind(StringRef CPU);
 111
 112 // Parser
 113 ArchKind parseArch(StringRef Arch);
 114 ArchExtKind parseArchExt(StringRef ArchExt);
 115 ArchKind parseCPUArch(StringRef CPU);
 116 // Used by target parser tests
 117 void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values);
 118
 119 bool isX18ReservedByDefault(const Triple &TT);
 120
 121 } // namespace AArch64
 122 } // namespace llvm
 123
 124 #endif