RISCVISAInfo.cpp File Reference

#include "llvm/Support/RISCVISAInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"
#include <array>
#include <atomic>
#include <optional>
#include <string>
#include <vector>

Go to the source code of this file.

Classes
struct	ImpliedExtsEntry
struct	CombinedExtsEntry

Enumerations
enum	RankFlags { RF_Z_EXTENSION = 1 << 6 , RF_S_EXTENSION = 1 << 7 , RF_X_EXTENSION = 1 << 8 }

Functions
static void	verifyTables ()
static void	PrintExtension (const std::string Name, const std::string Version, const std::string Description)
static bool	stripExperimentalPrefix (StringRef &Ext)
static size_t	findLastNonVersionCharacter (StringRef Ext)
static std::optional< RISCVExtensionVersion >	findDefaultVersion (StringRef ExtName)
static StringRef	getExtensionTypeDesc (StringRef Ext)
static StringRef	getExtensionType (StringRef Ext)
static std::optional< RISCVExtensionVersion >	isExperimentalExtension (StringRef Ext)
static unsigned	singleLetterExtensionRank (char Ext)
static unsigned	getExtensionRank (const std::string &ExtName)
static Error	getExtensionVersion (StringRef Ext, StringRef In, unsigned &Major, unsigned &Minor, unsigned &ConsumeLength, bool EnableExperimentalExtension, bool ExperimentalExtensionVersionCheck)

Variables
static constexpr StringLiteral	AllStdExts = "mafdqlcbkjtpvnh"
static const char *	RISCVGImplications []
static const RISCVSupportedExtension	SupportedExtensions []
static const RISCVSupportedExtension	SupportedExperimentalExtensions []
static const char *	ImpliedExtsD [] = {"f"}
static const char *	ImpliedExtsF [] = {"zicsr"}
static const char *	ImpliedExtsV [] = {"zvl128b", "zve64d"}
static const char *	ImpliedExtsXTHeadVdot [] = {"v"}
static const char *	ImpliedExtsXsfvcp [] = {"zve32x"}
static const char *	ImpliedExtsXsfvfnrclipxfqf [] = {"zve32f"}
static const char *	ImpliedExtsXsfvfwmaccqqq [] = {"zve32f", "zvfbfmin"}
static const char *	ImpliedExtsXsfvqmaccdod [] = {"zve32x"}
static const char *	ImpliedExtsXsfvqmaccqoq [] = {"zve32x"}
static const char *	ImpliedExtsZacas [] = {"a"}
static const char *	ImpliedExtsZcb [] = {"zca"}
static const char *	ImpliedExtsZcd [] = {"d", "zca"}
static const char *	ImpliedExtsZce [] = {"zcb", "zcmp", "zcmt"}
static const char *	ImpliedExtsZcf [] = {"f", "zca"}
static const char *	ImpliedExtsZcmp [] = {"zca"}
static const char *	ImpliedExtsZcmt [] = {"zca"}
static const char *	ImpliedExtsZdinx [] = {"zfinx"}
static const char *	ImpliedExtsZfa [] = {"f"}
static const char *	ImpliedExtsZfbfmin [] = {"f"}
static const char *	ImpliedExtsZfh [] = {"f"}
static const char *	ImpliedExtsZfhmin [] = {"f"}
static const char *	ImpliedExtsZfinx [] = {"zicsr"}
static const char *	ImpliedExtsZhinx [] = {"zfinx"}
static const char *	ImpliedExtsZhinxmin [] = {"zfinx"}
static const char *	ImpliedExtsZicntr [] = {"zicsr"}
static const char *	ImpliedExtsZihpm [] = {"zicsr"}
static const char *	ImpliedExtsZk [] = {"zkn", "zkt", "zkr"}
static const char *	ImpliedExtsZkn []
static const char *	ImpliedExtsZks [] = {"zbkb", "zbkc", "zbkx", "zksed", "zksh"}
static const char *	ImpliedExtsZvbb [] = {"zvkb"}
static const char *	ImpliedExtsZve32f [] = {"zve32x", "f"}
static const char *	ImpliedExtsZve32x [] = {"zvl32b", "zicsr"}
static const char *	ImpliedExtsZve64d [] = {"zve64f", "d"}
static const char *	ImpliedExtsZve64f [] = {"zve64x", "zve32f"}
static const char *	ImpliedExtsZve64x [] = {"zve32x", "zvl64b"}
static const char *	ImpliedExtsZvfbfmin [] = {"zve32f", "zfbfmin"}
static const char *	ImpliedExtsZvfbfwma [] = {"zvfbfmin"}
static const char *	ImpliedExtsZvfh [] = {"zve32f", "zfhmin"}
static const char *	ImpliedExtsZvfhmin [] = {"zve32f"}
static const char *	ImpliedExtsZvkn [] = {"zvkb", "zvkned", "zvknhb", "zvkt"}
static const char *	ImpliedExtsZvknc [] = {"zvbc", "zvkn"}
static const char *	ImpliedExtsZvkng [] = {"zvkg", "zvkn"}
static const char *	ImpliedExtsZvknhb [] = {"zve64x"}
static const char *	ImpliedExtsZvks [] = {"zvkb", "zvksed", "zvksh", "zvkt"}
static const char *	ImpliedExtsZvksc [] = {"zvbc", "zvks"}
static const char *	ImpliedExtsZvksg [] = {"zvkg", "zvks"}
static const char *	ImpliedExtsZvl1024b [] = {"zvl512b"}
static const char *	ImpliedExtsZvl128b [] = {"zvl64b"}
static const char *	ImpliedExtsZvl16384b [] = {"zvl8192b"}
static const char *	ImpliedExtsZvl2048b [] = {"zvl1024b"}
static const char *	ImpliedExtsZvl256b [] = {"zvl128b"}
static const char *	ImpliedExtsZvl32768b [] = {"zvl16384b"}
static const char *	ImpliedExtsZvl4096b [] = {"zvl2048b"}
static const char *	ImpliedExtsZvl512b [] = {"zvl256b"}
static const char *	ImpliedExtsZvl64b [] = {"zvl32b"}
static const char *	ImpliedExtsZvl65536b [] = {"zvl32768b"}
static const char *	ImpliedExtsZvl8192b [] = {"zvl4096b"}
static constexpr ImpliedExtsEntry	ImpliedExts []
static constexpr CombinedExtsEntry	CombineIntoExts []

Enumeration Type Documentation

RankFlags

enum RankFlags

Enumerator
RF_Z_EXTENSION
RF_S_EXTENSION
RF_X_EXTENSION

Definition at line 402 of file RISCVISAInfo.cpp.

Function Documentation

findDefaultVersion()

static std::optional< RISCVExtensionVersion > findDefaultVersion ( StringRef  ExtName )

static

Definition at line 291 of file RISCVISAInfo.cpp.

References I, llvm::lower_bound(), SupportedExperimentalExtensions, and SupportedExtensions.

Referenced by getExtensionVersion(), and llvm::RISCVISAInfo::parseArchString().

findLastNonVersionCharacter()

static size_t findLastNonVersionCharacter ( StringRef  Ext )

static

Definition at line 264 of file RISCVISAInfo.cpp.

References assert(), and isDigit().

Referenced by llvm::RISCVISAInfo::getTargetFeatureForExtension(), llvm::RISCVISAInfo::isSupportedExtensionWithVersion(), and llvm::RISCVISAInfo::parseArchString().

getExtensionRank()

static unsigned getExtensionRank ( const std::string &  ExtName )

static

Definition at line 430 of file RISCVISAInfo.cpp.

References assert(), RF_S_EXTENSION, RF_X_EXTENSION, RF_Z_EXTENSION, and singleLetterExtensionRank().

Referenced by llvm::RISCVISAInfo::compareExtension().

getExtensionType()

static StringRef getExtensionType ( StringRef  Ext )

static

Definition at line 324 of file RISCVISAInfo.cpp.

Referenced by llvm::RISCVISAInfo::parseArchString(), and performMemPairCombine().

getExtensionTypeDesc()

static StringRef getExtensionTypeDesc ( StringRef  Ext )

static

Definition at line 314 of file RISCVISAInfo.cpp.

Referenced by llvm::RISCVISAInfo::parseArchString().

getExtensionVersion()

static Error getExtensionVersion ( StringRef  Ext, StringRef  In, unsigned &  Major, unsigned &  Minor, unsigned &  ConsumeLength, bool  EnableExperimentalExtension, bool  ExperimentalExtensionVersionCheck  )

static

Definition at line 499 of file RISCVISAInfo.cpp.

References llvm::createStringError(), llvm::StringRef::empty(), findDefaultVersion(), llvm::StringRef::getAsInteger(), llvm::invalid_argument, isDigit(), isExperimentalExtension(), llvm::RISCVISAInfo::isSupportedExtension(), llvm::StringRef::size(), llvm::StringRef::str(), and llvm::Error::success().

Referenced by llvm::RISCVISAInfo::isSupportedExtensionWithVersion(), and llvm::RISCVISAInfo::parseArchString().

isExperimentalExtension()

static std::optional< RISCVExtensionVersion > isExperimentalExtension ( StringRef  Ext )

static

Definition at line 335 of file RISCVISAInfo.cpp.

References I, llvm::lower_bound(), and SupportedExperimentalExtensions.

Referenced by getExtensionVersion(), llvm::RISCVISAInfo::getTargetFeatureForExtension(), llvm::RISCVISAInfo::toFeatures(), and llvm::RISCVISAInfo::toFeatureVector().

PrintExtension()

static void PrintExtension ( const std::string  Name, const std::string  Version, const std::string  Description  )

static

Definition at line 218 of file RISCVISAInfo.cpp.

References llvm::format(), Name, and llvm::outs().

Referenced by llvm::riscvExtensionsHelp().

singleLetterExtensionRank()

static unsigned singleLetterExtensionRank ( char  Ext )

static

Definition at line 410 of file RISCVISAInfo.cpp.

References AllStdExts, assert(), llvm::StringRef::find(), llvm::StringRef::npos, and llvm::StringRef::size().

Referenced by getExtensionRank().

stripExperimentalPrefix()

static bool stripExperimentalPrefix ( StringRef &  Ext )

static

Definition at line 253 of file RISCVISAInfo.cpp.

Referenced by llvm::RISCVISAInfo::hasExtension(), llvm::RISCVISAInfo::isSupportedExtensionFeature(), and llvm::RISCVISAInfo::parseFeatures().

verifyTables()

static void verifyTables ( )

static

Definition at line 205 of file RISCVISAInfo.cpp.

References assert(), llvm::is_sorted(), SupportedExperimentalExtensions, and SupportedExtensions.

Referenced by llvm::RISCVISAInfo::isSupportedExtension().

Variable Documentation

AllStdExts

constexpr StringLiteral AllStdExts = "mafdqlcbkjtpvnh"

staticconstexpr

Definition at line 45 of file RISCVISAInfo.cpp.

Referenced by llvm::RISCVISAInfo::parseArchString(), and singleLetterExtensionRank().

CombineIntoExts

constexpr CombinedExtsEntry CombineIntoExts[]

staticconstexpr

Initial value:

= {
    {{"zk"}, {ImpliedExtsZk}},
    {{"zkn"}, {ImpliedExtsZkn}},
    {{"zks"}, {ImpliedExtsZks}},
    {{"zvkn"}, {ImpliedExtsZvkn}},
    {{"zvknc"}, {ImpliedExtsZvknc}},
    {{"zvkng"}, {ImpliedExtsZvkng}},
    {{"zvks"}, {ImpliedExtsZvks}},
    {{"zvksc"}, {ImpliedExtsZvksc}},
    {{"zvksg"}, {ImpliedExtsZvksg}},
}

Definition at line 1173 of file RISCVISAInfo.cpp.

ImpliedExts

constexpr ImpliedExtsEntry ImpliedExts[]

staticconstexpr

Definition at line 1065 of file RISCVISAInfo.cpp.

Referenced by llvm::AArch64::CpuInfo::getImpliedExtensions().

ImpliedExtsD

const char* ImpliedExtsD[] = {"f"}

static

Definition at line 994 of file RISCVISAInfo.cpp.

ImpliedExtsF

const char* ImpliedExtsF[] = {"zicsr"}

static

Definition at line 995 of file RISCVISAInfo.cpp.

ImpliedExtsV

const char* ImpliedExtsV[] = {"zvl128b", "zve64d"}

static

Definition at line 996 of file RISCVISAInfo.cpp.

ImpliedExtsXsfvcp

const char* ImpliedExtsXsfvcp[] = {"zve32x"}

static

Definition at line 998 of file RISCVISAInfo.cpp.

ImpliedExtsXsfvfnrclipxfqf

const char* ImpliedExtsXsfvfnrclipxfqf[] = {"zve32f"}

static

Definition at line 999 of file RISCVISAInfo.cpp.

ImpliedExtsXsfvfwmaccqqq

const char* ImpliedExtsXsfvfwmaccqqq[] = {"zve32f", "zvfbfmin"}

static

Definition at line 1000 of file RISCVISAInfo.cpp.

ImpliedExtsXsfvqmaccdod

const char* ImpliedExtsXsfvqmaccdod[] = {"zve32x"}

static

Definition at line 1001 of file RISCVISAInfo.cpp.

ImpliedExtsXsfvqmaccqoq

const char* ImpliedExtsXsfvqmaccqoq[] = {"zve32x"}

static

Definition at line 1002 of file RISCVISAInfo.cpp.

ImpliedExtsXTHeadVdot

const char* ImpliedExtsXTHeadVdot[] = {"v"}

static

Definition at line 997 of file RISCVISAInfo.cpp.

ImpliedExtsZacas

const char* ImpliedExtsZacas[] = {"a"}

static

Definition at line 1003 of file RISCVISAInfo.cpp.

ImpliedExtsZcb

const char* ImpliedExtsZcb[] = {"zca"}

static

Definition at line 1004 of file RISCVISAInfo.cpp.

ImpliedExtsZcd

const char* ImpliedExtsZcd[] = {"d", "zca"}

static

Definition at line 1005 of file RISCVISAInfo.cpp.

ImpliedExtsZce

const char* ImpliedExtsZce[] = {"zcb", "zcmp", "zcmt"}

static

Definition at line 1006 of file RISCVISAInfo.cpp.

ImpliedExtsZcf

const char* ImpliedExtsZcf[] = {"f", "zca"}

static

Definition at line 1007 of file RISCVISAInfo.cpp.

ImpliedExtsZcmp

const char* ImpliedExtsZcmp[] = {"zca"}

static

Definition at line 1008 of file RISCVISAInfo.cpp.

ImpliedExtsZcmt

const char* ImpliedExtsZcmt[] = {"zca"}

static

Definition at line 1009 of file RISCVISAInfo.cpp.

ImpliedExtsZdinx

const char* ImpliedExtsZdinx[] = {"zfinx"}

static

Definition at line 1010 of file RISCVISAInfo.cpp.

ImpliedExtsZfa

const char* ImpliedExtsZfa[] = {"f"}

static

Definition at line 1011 of file RISCVISAInfo.cpp.

ImpliedExtsZfbfmin

const char* ImpliedExtsZfbfmin[] = {"f"}

static

Definition at line 1012 of file RISCVISAInfo.cpp.

ImpliedExtsZfh

const char* ImpliedExtsZfh[] = {"f"}

static

Definition at line 1013 of file RISCVISAInfo.cpp.

ImpliedExtsZfhmin

const char* ImpliedExtsZfhmin[] = {"f"}

static

Definition at line 1014 of file RISCVISAInfo.cpp.

ImpliedExtsZfinx

const char* ImpliedExtsZfinx[] = {"zicsr"}

static

Definition at line 1015 of file RISCVISAInfo.cpp.

ImpliedExtsZhinx

const char* ImpliedExtsZhinx[] = {"zfinx"}

static

Definition at line 1016 of file RISCVISAInfo.cpp.

ImpliedExtsZhinxmin

const char* ImpliedExtsZhinxmin[] = {"zfinx"}

static

Definition at line 1017 of file RISCVISAInfo.cpp.

ImpliedExtsZicntr

const char* ImpliedExtsZicntr[] = {"zicsr"}

static

Definition at line 1018 of file RISCVISAInfo.cpp.

ImpliedExtsZihpm

const char* ImpliedExtsZihpm[] = {"zicsr"}

static

Definition at line 1019 of file RISCVISAInfo.cpp.

ImpliedExtsZk

const char* ImpliedExtsZk[] = {"zkn", "zkt", "zkr"}

static

Definition at line 1020 of file RISCVISAInfo.cpp.

ImpliedExtsZkn

const char* ImpliedExtsZkn[]

static

Initial value:

= {"zbkb", "zbkc", "zbkx",
                                       "zkne", "zknd", "zknh"}

Definition at line 1021 of file RISCVISAInfo.cpp.

ImpliedExtsZks

const char* ImpliedExtsZks[] = {"zbkb", "zbkc", "zbkx", "zksed", "zksh"}

static

Definition at line 1023 of file RISCVISAInfo.cpp.

ImpliedExtsZvbb

const char* ImpliedExtsZvbb[] = {"zvkb"}

static

Definition at line 1024 of file RISCVISAInfo.cpp.

ImpliedExtsZve32f

const char* ImpliedExtsZve32f[] = {"zve32x", "f"}

static

Definition at line 1025 of file RISCVISAInfo.cpp.

ImpliedExtsZve32x

const char* ImpliedExtsZve32x[] = {"zvl32b", "zicsr"}

static

Definition at line 1026 of file RISCVISAInfo.cpp.

ImpliedExtsZve64d

const char* ImpliedExtsZve64d[] = {"zve64f", "d"}

static

Definition at line 1027 of file RISCVISAInfo.cpp.

ImpliedExtsZve64f

const char* ImpliedExtsZve64f[] = {"zve64x", "zve32f"}

static

Definition at line 1028 of file RISCVISAInfo.cpp.

ImpliedExtsZve64x

const char* ImpliedExtsZve64x[] = {"zve32x", "zvl64b"}

static

Definition at line 1029 of file RISCVISAInfo.cpp.

ImpliedExtsZvfbfmin

const char* ImpliedExtsZvfbfmin[] = {"zve32f", "zfbfmin"}

static

Definition at line 1030 of file RISCVISAInfo.cpp.

ImpliedExtsZvfbfwma

const char* ImpliedExtsZvfbfwma[] = {"zvfbfmin"}

static

Definition at line 1031 of file RISCVISAInfo.cpp.

ImpliedExtsZvfh

const char* ImpliedExtsZvfh[] = {"zve32f", "zfhmin"}

static

Definition at line 1032 of file RISCVISAInfo.cpp.

ImpliedExtsZvfhmin

const char* ImpliedExtsZvfhmin[] = {"zve32f"}

static

Definition at line 1033 of file RISCVISAInfo.cpp.

ImpliedExtsZvkn

const char* ImpliedExtsZvkn[] = {"zvkb", "zvkned", "zvknhb", "zvkt"}

static

Definition at line 1034 of file RISCVISAInfo.cpp.

ImpliedExtsZvknc

const char* ImpliedExtsZvknc[] = {"zvbc", "zvkn"}

static

Definition at line 1035 of file RISCVISAInfo.cpp.

ImpliedExtsZvkng

const char* ImpliedExtsZvkng[] = {"zvkg", "zvkn"}

static

Definition at line 1036 of file RISCVISAInfo.cpp.

ImpliedExtsZvknhb

const char* ImpliedExtsZvknhb[] = {"zve64x"}

static

Definition at line 1037 of file RISCVISAInfo.cpp.

ImpliedExtsZvks

const char* ImpliedExtsZvks[] = {"zvkb", "zvksed", "zvksh", "zvkt"}

static

Definition at line 1038 of file RISCVISAInfo.cpp.

ImpliedExtsZvksc

const char* ImpliedExtsZvksc[] = {"zvbc", "zvks"}

static

Definition at line 1039 of file RISCVISAInfo.cpp.

ImpliedExtsZvksg

const char* ImpliedExtsZvksg[] = {"zvkg", "zvks"}

static

Definition at line 1040 of file RISCVISAInfo.cpp.

ImpliedExtsZvl1024b

const char* ImpliedExtsZvl1024b[] = {"zvl512b"}

static

Definition at line 1041 of file RISCVISAInfo.cpp.

ImpliedExtsZvl128b

const char* ImpliedExtsZvl128b[] = {"zvl64b"}

static

Definition at line 1042 of file RISCVISAInfo.cpp.

ImpliedExtsZvl16384b

const char* ImpliedExtsZvl16384b[] = {"zvl8192b"}

static

Definition at line 1043 of file RISCVISAInfo.cpp.

ImpliedExtsZvl2048b

const char* ImpliedExtsZvl2048b[] = {"zvl1024b"}

static

Definition at line 1044 of file RISCVISAInfo.cpp.

ImpliedExtsZvl256b

const char* ImpliedExtsZvl256b[] = {"zvl128b"}

static

Definition at line 1045 of file RISCVISAInfo.cpp.

ImpliedExtsZvl32768b

const char* ImpliedExtsZvl32768b[] = {"zvl16384b"}

static

Definition at line 1046 of file RISCVISAInfo.cpp.

ImpliedExtsZvl4096b

const char* ImpliedExtsZvl4096b[] = {"zvl2048b"}

static

Definition at line 1047 of file RISCVISAInfo.cpp.

ImpliedExtsZvl512b

const char* ImpliedExtsZvl512b[] = {"zvl256b"}

static

Definition at line 1048 of file RISCVISAInfo.cpp.

ImpliedExtsZvl64b

const char* ImpliedExtsZvl64b[] = {"zvl32b"}

static

Definition at line 1049 of file RISCVISAInfo.cpp.

ImpliedExtsZvl65536b

const char* ImpliedExtsZvl65536b[] = {"zvl32768b"}

static

Definition at line 1050 of file RISCVISAInfo.cpp.

ImpliedExtsZvl8192b

const char* ImpliedExtsZvl8192b[] = {"zvl4096b"}

static

Definition at line 1051 of file RISCVISAInfo.cpp.

RISCVGImplications

const char* RISCVGImplications[]

static

Initial value:

= {
  "i", "m", "a", "f", "d", "zicsr", "zifencei"
}

Definition at line 47 of file RISCVISAInfo.cpp.

Referenced by llvm::RISCVISAInfo::parseArchString().

SupportedExperimentalExtensions

const RISCVSupportedExtension SupportedExperimentalExtensions[]

static

Definition at line 172 of file RISCVISAInfo.cpp.

Referenced by findDefaultVersion(), isExperimentalExtension(), llvm::RISCVISAInfo::isSupportedExtension(), llvm::RISCVISAInfo::isSupportedExtensionFeature(), llvm::RISCVISAInfo::parseFeatures(), llvm::riscvExtensionsHelp(), llvm::RISCVISAInfo::toFeatures(), and verifyTables().

SupportedExtensions

const RISCVSupportedExtension SupportedExtensions[]

static

Definition at line 52 of file RISCVISAInfo.cpp.

Referenced by findDefaultVersion(), llvm::RISCVISAInfo::isSupportedExtension(), llvm::RISCVISAInfo::isSupportedExtensionFeature(), llvm::RISCVISAInfo::parseFeatures(), llvm::riscvExtensionsHelp(), llvm::RISCVISAInfo::toFeatures(), and verifyTables().