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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/include/llvm/Support/ARMTargetParser.h | |
parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
download | ydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/include/llvm/Support/ARMTargetParser.h')
-rw-r--r-- | contrib/libs/llvm12/include/llvm/Support/ARMTargetParser.h | 582 |
1 files changed, 291 insertions, 291 deletions
diff --git a/contrib/libs/llvm12/include/llvm/Support/ARMTargetParser.h b/contrib/libs/llvm12/include/llvm/Support/ARMTargetParser.h index b7e817126e..901baebefa 100644 --- a/contrib/libs/llvm12/include/llvm/Support/ARMTargetParser.h +++ b/contrib/libs/llvm12/include/llvm/Support/ARMTargetParser.h @@ -1,293 +1,293 @@ -#pragma once - -#ifdef __GNUC__ -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wunused-parameter" -#endif - -//===-- ARMTargetParser - Parser for ARM target features --------*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -// This file implements a target parser to recognise ARM hardware features -// such as FPU/CPU/ARCH/extensions and specific support such as HWDIV. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_SUPPORT_ARMTARGETPARSER_H -#define LLVM_SUPPORT_ARMTARGETPARSER_H - -#include "llvm/ADT/SmallVector.h" -#include "llvm/ADT/StringRef.h" -#include "llvm/Support/ARMBuildAttributes.h" -#include <vector> - -namespace llvm { - -class Triple; - -namespace ARM { - -// Arch extension modifiers for CPUs. -// Note that this is not the same as the AArch64 list -enum ArchExtKind : uint64_t { - AEK_INVALID = 0, - AEK_NONE = 1, - AEK_CRC = 1 << 1, - AEK_CRYPTO = 1 << 2, - AEK_FP = 1 << 3, - AEK_HWDIVTHUMB = 1 << 4, - AEK_HWDIVARM = 1 << 5, - AEK_MP = 1 << 6, - AEK_SIMD = 1 << 7, - AEK_SEC = 1 << 8, - AEK_VIRT = 1 << 9, - AEK_DSP = 1 << 10, - AEK_FP16 = 1 << 11, - AEK_RAS = 1 << 12, - AEK_DOTPROD = 1 << 13, - AEK_SHA2 = 1 << 14, - AEK_AES = 1 << 15, - AEK_FP16FML = 1 << 16, - AEK_SB = 1 << 17, - AEK_FP_DP = 1 << 18, - AEK_LOB = 1 << 19, - AEK_BF16 = 1 << 20, - AEK_I8MM = 1 << 21, - AEK_CDECP0 = 1 << 22, - AEK_CDECP1 = 1 << 23, - AEK_CDECP2 = 1 << 24, - AEK_CDECP3 = 1 << 25, - AEK_CDECP4 = 1 << 26, - AEK_CDECP5 = 1 << 27, - AEK_CDECP6 = 1 << 28, - AEK_CDECP7 = 1 << 29, - - // Unsupported extensions. - AEK_OS = 1ULL << 59, - AEK_IWMMXT = 1ULL << 60, - AEK_IWMMXT2 = 1ULL << 61, - AEK_MAVERICK = 1ULL << 62, - AEK_XSCALE = 1ULL << 63, -}; - -// List of Arch Extension names. -// FIXME: TableGen this. -struct ExtName { - const char *NameCStr; - size_t NameLength; - uint64_t ID; - const char *Feature; - const char *NegFeature; - - StringRef getName() const { return StringRef(NameCStr, NameLength); } -}; - -const ExtName ARCHExtNames[] = { -#define ARM_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE) \ - {NAME, sizeof(NAME) - 1, ID, FEATURE, NEGFEATURE}, -#include "ARMTargetParser.def" -}; - -// List of HWDiv names (use getHWDivSynonym) and which architectural -// features they correspond to (use getHWDivFeatures). -// FIXME: TableGen this. -const struct { - const char *NameCStr; - size_t NameLength; - uint64_t ID; - - StringRef getName() const { return StringRef(NameCStr, NameLength); } -} HWDivNames[] = { -#define ARM_HW_DIV_NAME(NAME, ID) {NAME, sizeof(NAME) - 1, ID}, -#include "ARMTargetParser.def" -}; - -// Arch names. -enum class ArchKind { -#define ARM_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) ID, -#include "ARMTargetParser.def" -}; - -// List of CPU names and their arches. -// The same CPU can have multiple arches and can be default on multiple arches. -// When finding the Arch for a CPU, first-found prevails. Sort them accordingly. -// When this becomes table-generated, we'd probably need two tables. -// FIXME: TableGen this. -template <typename T> struct CpuNames { - const char *NameCStr; - size_t NameLength; - T ArchID; - bool Default; // is $Name the default CPU for $ArchID ? - uint64_t DefaultExtensions; - - StringRef getName() const { return StringRef(NameCStr, NameLength); } -}; - -const CpuNames<ArchKind> CPUNames[] = { -#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \ - {NAME, sizeof(NAME) - 1, ARM::ArchKind::ID, IS_DEFAULT, DEFAULT_EXT}, -#include "ARMTargetParser.def" -}; - -// FPU names. -enum FPUKind { -#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) KIND, -#include "ARMTargetParser.def" - FK_LAST -}; - -// FPU Version -enum class FPUVersion { - NONE, - VFPV2, - VFPV3, - VFPV3_FP16, - VFPV4, - VFPV5, - VFPV5_FULLFP16, -}; - -// An FPU name restricts the FPU in one of three ways: -enum class FPURestriction { - None = 0, ///< No restriction - D16, ///< Only 16 D registers - SP_D16 ///< Only single-precision instructions, with 16 D registers -}; - -// An FPU name implies one of three levels of Neon support: -enum class NeonSupportLevel { - None = 0, ///< No Neon - Neon, ///< Neon - Crypto ///< Neon with Crypto -}; - -// ISA kinds. -enum class ISAKind { INVALID = 0, ARM, THUMB, AARCH64 }; - -// Endianness -// FIXME: BE8 vs. BE32? -enum class EndianKind { INVALID = 0, LITTLE, BIG }; - -// v6/v7/v8 Profile -enum class ProfileKind { INVALID = 0, A, R, M }; - -// List of canonical FPU names (use getFPUSynonym) and which architectural -// features they correspond to (use getFPUFeatures). -// FIXME: TableGen this. -// The entries must appear in the order listed in ARM::FPUKind for correct -// indexing -struct FPUName { - const char *NameCStr; - size_t NameLength; - FPUKind ID; - FPUVersion FPUVer; - NeonSupportLevel NeonSupport; - FPURestriction Restriction; - - StringRef getName() const { return StringRef(NameCStr, NameLength); } -}; - -static const FPUName FPUNames[] = { -#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) \ - {NAME, sizeof(NAME) - 1, KIND, VERSION, NEON_SUPPORT, RESTRICTION}, -#include "llvm/Support/ARMTargetParser.def" -}; - -// List of canonical arch names (use getArchSynonym). -// This table also provides the build attribute fields for CPU arch -// and Arch ID, according to the Addenda to the ARM ABI, chapters -// 2.4 and 2.3.5.2 respectively. -// FIXME: SubArch values were simplified to fit into the expectations -// of the triples and are not conforming with their official names. -// Check to see if the expectation should be changed. -// FIXME: TableGen this. -template <typename T> struct ArchNames { - const char *NameCStr; - size_t NameLength; - const char *CPUAttrCStr; - size_t CPUAttrLength; - const char *SubArchCStr; - size_t SubArchLength; - unsigned DefaultFPU; - uint64_t ArchBaseExtensions; - T ID; - ARMBuildAttrs::CPUArch ArchAttr; // Arch ID in build attributes. - - StringRef getName() const { return StringRef(NameCStr, NameLength); } - - // CPU class in build attributes. - StringRef getCPUAttr() const { return StringRef(CPUAttrCStr, CPUAttrLength); } - - // Sub-Arch name. - StringRef getSubArch() const { return StringRef(SubArchCStr, SubArchLength); } -}; - -static const ArchNames<ArchKind> ARCHNames[] = { -#define ARM_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, \ - ARCH_BASE_EXT) \ - {NAME, sizeof(NAME) - 1, \ - CPU_ATTR, sizeof(CPU_ATTR) - 1, \ - SUB_ARCH, sizeof(SUB_ARCH) - 1, \ - ARCH_FPU, ARCH_BASE_EXT, \ - ArchKind::ID, ARCH_ATTR}, -#include "llvm/Support/ARMTargetParser.def" -}; - -// Information by ID -StringRef getFPUName(unsigned FPUKind); -FPUVersion getFPUVersion(unsigned FPUKind); -NeonSupportLevel getFPUNeonSupportLevel(unsigned FPUKind); -FPURestriction getFPURestriction(unsigned FPUKind); - -// FIXME: These should be moved to TargetTuple once it exists -bool getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features); -bool getHWDivFeatures(uint64_t HWDivKind, std::vector<StringRef> &Features); -bool getExtensionFeatures(uint64_t Extensions, - std::vector<StringRef> &Features); - -StringRef getArchName(ArchKind AK); -unsigned getArchAttr(ArchKind AK); -StringRef getCPUAttr(ArchKind AK); -StringRef getSubArch(ArchKind AK); -StringRef getArchExtName(uint64_t ArchExtKind); -StringRef getArchExtFeature(StringRef ArchExt); -bool appendArchExtFeatures(StringRef CPU, ARM::ArchKind AK, StringRef ArchExt, +#pragma once + +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" +#endif + +//===-- ARMTargetParser - Parser for ARM target features --------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file implements a target parser to recognise ARM hardware features +// such as FPU/CPU/ARCH/extensions and specific support such as HWDIV. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SUPPORT_ARMTARGETPARSER_H +#define LLVM_SUPPORT_ARMTARGETPARSER_H + +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/ARMBuildAttributes.h" +#include <vector> + +namespace llvm { + +class Triple; + +namespace ARM { + +// Arch extension modifiers for CPUs. +// Note that this is not the same as the AArch64 list +enum ArchExtKind : uint64_t { + AEK_INVALID = 0, + AEK_NONE = 1, + AEK_CRC = 1 << 1, + AEK_CRYPTO = 1 << 2, + AEK_FP = 1 << 3, + AEK_HWDIVTHUMB = 1 << 4, + AEK_HWDIVARM = 1 << 5, + AEK_MP = 1 << 6, + AEK_SIMD = 1 << 7, + AEK_SEC = 1 << 8, + AEK_VIRT = 1 << 9, + AEK_DSP = 1 << 10, + AEK_FP16 = 1 << 11, + AEK_RAS = 1 << 12, + AEK_DOTPROD = 1 << 13, + AEK_SHA2 = 1 << 14, + AEK_AES = 1 << 15, + AEK_FP16FML = 1 << 16, + AEK_SB = 1 << 17, + AEK_FP_DP = 1 << 18, + AEK_LOB = 1 << 19, + AEK_BF16 = 1 << 20, + AEK_I8MM = 1 << 21, + AEK_CDECP0 = 1 << 22, + AEK_CDECP1 = 1 << 23, + AEK_CDECP2 = 1 << 24, + AEK_CDECP3 = 1 << 25, + AEK_CDECP4 = 1 << 26, + AEK_CDECP5 = 1 << 27, + AEK_CDECP6 = 1 << 28, + AEK_CDECP7 = 1 << 29, + + // Unsupported extensions. + AEK_OS = 1ULL << 59, + AEK_IWMMXT = 1ULL << 60, + AEK_IWMMXT2 = 1ULL << 61, + AEK_MAVERICK = 1ULL << 62, + AEK_XSCALE = 1ULL << 63, +}; + +// List of Arch Extension names. +// FIXME: TableGen this. +struct ExtName { + const char *NameCStr; + size_t NameLength; + uint64_t ID; + const char *Feature; + const char *NegFeature; + + StringRef getName() const { return StringRef(NameCStr, NameLength); } +}; + +const ExtName ARCHExtNames[] = { +#define ARM_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE) \ + {NAME, sizeof(NAME) - 1, ID, FEATURE, NEGFEATURE}, +#include "ARMTargetParser.def" +}; + +// List of HWDiv names (use getHWDivSynonym) and which architectural +// features they correspond to (use getHWDivFeatures). +// FIXME: TableGen this. +const struct { + const char *NameCStr; + size_t NameLength; + uint64_t ID; + + StringRef getName() const { return StringRef(NameCStr, NameLength); } +} HWDivNames[] = { +#define ARM_HW_DIV_NAME(NAME, ID) {NAME, sizeof(NAME) - 1, ID}, +#include "ARMTargetParser.def" +}; + +// Arch names. +enum class ArchKind { +#define ARM_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) ID, +#include "ARMTargetParser.def" +}; + +// List of CPU names and their arches. +// The same CPU can have multiple arches and can be default on multiple arches. +// When finding the Arch for a CPU, first-found prevails. Sort them accordingly. +// When this becomes table-generated, we'd probably need two tables. +// FIXME: TableGen this. +template <typename T> struct CpuNames { + const char *NameCStr; + size_t NameLength; + T ArchID; + bool Default; // is $Name the default CPU for $ArchID ? + uint64_t DefaultExtensions; + + StringRef getName() const { return StringRef(NameCStr, NameLength); } +}; + +const CpuNames<ArchKind> CPUNames[] = { +#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \ + {NAME, sizeof(NAME) - 1, ARM::ArchKind::ID, IS_DEFAULT, DEFAULT_EXT}, +#include "ARMTargetParser.def" +}; + +// FPU names. +enum FPUKind { +#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) KIND, +#include "ARMTargetParser.def" + FK_LAST +}; + +// FPU Version +enum class FPUVersion { + NONE, + VFPV2, + VFPV3, + VFPV3_FP16, + VFPV4, + VFPV5, + VFPV5_FULLFP16, +}; + +// An FPU name restricts the FPU in one of three ways: +enum class FPURestriction { + None = 0, ///< No restriction + D16, ///< Only 16 D registers + SP_D16 ///< Only single-precision instructions, with 16 D registers +}; + +// An FPU name implies one of three levels of Neon support: +enum class NeonSupportLevel { + None = 0, ///< No Neon + Neon, ///< Neon + Crypto ///< Neon with Crypto +}; + +// ISA kinds. +enum class ISAKind { INVALID = 0, ARM, THUMB, AARCH64 }; + +// Endianness +// FIXME: BE8 vs. BE32? +enum class EndianKind { INVALID = 0, LITTLE, BIG }; + +// v6/v7/v8 Profile +enum class ProfileKind { INVALID = 0, A, R, M }; + +// List of canonical FPU names (use getFPUSynonym) and which architectural +// features they correspond to (use getFPUFeatures). +// FIXME: TableGen this. +// The entries must appear in the order listed in ARM::FPUKind for correct +// indexing +struct FPUName { + const char *NameCStr; + size_t NameLength; + FPUKind ID; + FPUVersion FPUVer; + NeonSupportLevel NeonSupport; + FPURestriction Restriction; + + StringRef getName() const { return StringRef(NameCStr, NameLength); } +}; + +static const FPUName FPUNames[] = { +#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) \ + {NAME, sizeof(NAME) - 1, KIND, VERSION, NEON_SUPPORT, RESTRICTION}, +#include "llvm/Support/ARMTargetParser.def" +}; + +// List of canonical arch names (use getArchSynonym). +// This table also provides the build attribute fields for CPU arch +// and Arch ID, according to the Addenda to the ARM ABI, chapters +// 2.4 and 2.3.5.2 respectively. +// FIXME: SubArch values were simplified to fit into the expectations +// of the triples and are not conforming with their official names. +// Check to see if the expectation should be changed. +// FIXME: TableGen this. +template <typename T> struct ArchNames { + const char *NameCStr; + size_t NameLength; + const char *CPUAttrCStr; + size_t CPUAttrLength; + const char *SubArchCStr; + size_t SubArchLength; + unsigned DefaultFPU; + uint64_t ArchBaseExtensions; + T ID; + ARMBuildAttrs::CPUArch ArchAttr; // Arch ID in build attributes. + + StringRef getName() const { return StringRef(NameCStr, NameLength); } + + // CPU class in build attributes. + StringRef getCPUAttr() const { return StringRef(CPUAttrCStr, CPUAttrLength); } + + // Sub-Arch name. + StringRef getSubArch() const { return StringRef(SubArchCStr, SubArchLength); } +}; + +static const ArchNames<ArchKind> ARCHNames[] = { +#define ARM_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, \ + ARCH_BASE_EXT) \ + {NAME, sizeof(NAME) - 1, \ + CPU_ATTR, sizeof(CPU_ATTR) - 1, \ + SUB_ARCH, sizeof(SUB_ARCH) - 1, \ + ARCH_FPU, ARCH_BASE_EXT, \ + ArchKind::ID, ARCH_ATTR}, +#include "llvm/Support/ARMTargetParser.def" +}; + +// Information by ID +StringRef getFPUName(unsigned FPUKind); +FPUVersion getFPUVersion(unsigned FPUKind); +NeonSupportLevel getFPUNeonSupportLevel(unsigned FPUKind); +FPURestriction getFPURestriction(unsigned FPUKind); + +// FIXME: These should be moved to TargetTuple once it exists +bool getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features); +bool getHWDivFeatures(uint64_t HWDivKind, std::vector<StringRef> &Features); +bool getExtensionFeatures(uint64_t Extensions, + std::vector<StringRef> &Features); + +StringRef getArchName(ArchKind AK); +unsigned getArchAttr(ArchKind AK); +StringRef getCPUAttr(ArchKind AK); +StringRef getSubArch(ArchKind AK); +StringRef getArchExtName(uint64_t ArchExtKind); +StringRef getArchExtFeature(StringRef ArchExt); +bool appendArchExtFeatures(StringRef CPU, ARM::ArchKind AK, StringRef ArchExt, std::vector<StringRef> &Features, unsigned &ArgFPUKind); -StringRef getHWDivName(uint64_t HWDivKind); - -// Information by Name -unsigned getDefaultFPU(StringRef CPU, ArchKind AK); -uint64_t getDefaultExtensions(StringRef CPU, ArchKind AK); -StringRef getDefaultCPU(StringRef Arch); -StringRef getCanonicalArchName(StringRef Arch); -StringRef getFPUSynonym(StringRef FPU); -StringRef getArchSynonym(StringRef Arch); - -// Parser -uint64_t parseHWDiv(StringRef HWDiv); -unsigned parseFPU(StringRef FPU); -ArchKind parseArch(StringRef Arch); -uint64_t parseArchExt(StringRef ArchExt); -ArchKind parseCPUArch(StringRef CPU); -ISAKind parseArchISA(StringRef Arch); -EndianKind parseArchEndian(StringRef Arch); -ProfileKind parseArchProfile(StringRef Arch); -unsigned parseArchVersion(StringRef Arch); - -void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values); -StringRef computeDefaultTargetABI(const Triple &TT, StringRef CPU); - -} // namespace ARM -} // namespace llvm - -#endif - -#ifdef __GNUC__ -#pragma GCC diagnostic pop -#endif +StringRef getHWDivName(uint64_t HWDivKind); + +// Information by Name +unsigned getDefaultFPU(StringRef CPU, ArchKind AK); +uint64_t getDefaultExtensions(StringRef CPU, ArchKind AK); +StringRef getDefaultCPU(StringRef Arch); +StringRef getCanonicalArchName(StringRef Arch); +StringRef getFPUSynonym(StringRef FPU); +StringRef getArchSynonym(StringRef Arch); + +// Parser +uint64_t parseHWDiv(StringRef HWDiv); +unsigned parseFPU(StringRef FPU); +ArchKind parseArch(StringRef Arch); +uint64_t parseArchExt(StringRef ArchExt); +ArchKind parseCPUArch(StringRef CPU); +ISAKind parseArchISA(StringRef Arch); +EndianKind parseArchEndian(StringRef Arch); +ProfileKind parseArchProfile(StringRef Arch); +unsigned parseArchVersion(StringRef Arch); + +void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values); +StringRef computeDefaultTargetABI(const Triple &TT, StringRef CPU); + +} // namespace ARM +} // namespace llvm + +#endif + +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif |