AArch64TargetParser.h revision 343210
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. 24namespace llvm { 25namespace AArch64 { 26 27// Arch extension modifiers for CPUs. 28enum 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 55enum 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 60const 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 76const 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 82const 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 88const 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 95bool getExtensionFeatures(unsigned Extensions, 96 std::vector<StringRef> &Features); 97bool getArchFeatures(ArchKind AK, std::vector<StringRef> &Features); 98 99StringRef getArchName(ArchKind AK); 100unsigned getArchAttr(ArchKind AK); 101StringRef getCPUAttr(ArchKind AK); 102StringRef getSubArch(ArchKind AK); 103StringRef getArchExtName(unsigned ArchExtKind); 104StringRef getArchExtFeature(StringRef ArchExt); 105 106// Information by Name 107unsigned getDefaultFPU(StringRef CPU, ArchKind AK); 108unsigned getDefaultExtensions(StringRef CPU, ArchKind AK); 109StringRef getDefaultCPU(StringRef Arch); 110ArchKind getCPUArchKind(StringRef CPU); 111 112// Parser 113ArchKind parseArch(StringRef Arch); 114ArchExtKind parseArchExt(StringRef ArchExt); 115ArchKind parseCPUArch(StringRef CPU); 116// Used by target parser tests 117void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values); 118 119bool isX18ReservedByDefault(const Triple &TT); 120 121} // namespace AArch64 122} // namespace llvm 123 124#endif 125