RISCVISAInfo.cpp File Reference

#include "llvm/TargetParser/RISCVISAInfo.h"
#include "llvm/ADT/STLExtras.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>
#include "llvm/TargetParser/RISCVTargetParserDef.inc"

Go to the source code of this file.

Classes
struct	ImpliedExtsEntry
struct	RISCVExtBit

Macros
#define	GET_SUPPORTED_EXTENSIONS
#define	GET_SUPPORTED_PROFILES
#define	GET_IMPLIED_EXTENSIONS

Functions
static void	verifyTables ()
static void	PrintExtension (StringRef Name, StringRef Version, StringRef Description)
static bool	stripExperimentalPrefix (StringRef &Ext)
static size_t	findLastNonVersionCharacter (StringRef Ext)
static std::optional< RISCVISAUtils::ExtensionVersion >	findDefaultVersion (StringRef ExtName)
static StringRef	getExtensionTypeDesc (StringRef Ext)
static StringRef	getExtensionType (StringRef Ext)
static std::optional< RISCVISAUtils::ExtensionVersion >	isExperimentalExtension (StringRef Ext)
static Error	getError (const Twine &Message)
static Error	getErrorForInvalidExt (StringRef ExtName)
static Error	getExtensionVersion (StringRef Ext, StringRef In, unsigned &Major, unsigned &Minor, unsigned &ConsumeLength, bool EnableExperimentalExtension, bool ExperimentalExtensionVersionCheck)
static bool	operator< (const ImpliedExtsEntry &LHS, StringRef RHS)
static bool	operator< (StringRef LHS, const ImpliedExtsEntry &RHS)

Variables
static const char *	RISCVGImplications []
static constexpr StringLiteral	CombineIntoExts []
static constexpr RISCVExtBit	RISCVGroup0BitPositions []
	Maps extensions with assigned bit positions within group 0 of __riscv_features_bits to their respective bit position.

Macro Definition Documentation

GET_IMPLIED_EXTENSIONS

#define GET_IMPLIED_EXTENSIONS

Definition at line 811 of file RISCVISAInfo.cpp.

GET_SUPPORTED_EXTENSIONS

#define GET_SUPPORTED_EXTENSIONS

Definition at line 52 of file RISCVISAInfo.cpp.

GET_SUPPORTED_PROFILES

#define GET_SUPPORTED_PROFILES

Definition at line 55 of file RISCVISAInfo.cpp.

Function Documentation

findDefaultVersion()

static std::optional< RISCVISAUtils::ExtensionVersion > findDefaultVersion ( StringRef  ExtName )

static

Definition at line 195 of file RISCVISAInfo.cpp.

References I, and llvm::lower_bound().

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

findLastNonVersionCharacter()

static size_t findLastNonVersionCharacter ( StringRef  Ext )

static

Definition at line 168 of file RISCVISAInfo.cpp.

References assert(), and isDigit().

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

getError()

static Error getError ( const Twine &  Message )

static

Definition at line 321 of file RISCVISAInfo.cpp.

References llvm::createStringError(), and llvm::invalid_argument.

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

getErrorForInvalidExt()

static Error getErrorForInvalidExt ( StringRef  ExtName )

static

Definition at line 325 of file RISCVISAInfo.cpp.

References getError(), getExtensionTypeDesc(), and llvm::StringRef::size().

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

getExtensionType()

static StringRef getExtensionType ( StringRef  Ext )

static

Definition at line 220 of file RISCVISAInfo.cpp.

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

getExtensionTypeDesc()

static StringRef getExtensionTypeDesc ( StringRef  Ext )

static

Definition at line 210 of file RISCVISAInfo.cpp.

Referenced by getErrorForInvalidExt(), and 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 339 of file RISCVISAInfo.cpp.

References llvm::StringRef::empty(), findDefaultVersion(), llvm::StringRef::getAsInteger(), getError(), getErrorForInvalidExt(), 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< RISCVISAUtils::ExtensionVersion > isExperimentalExtension ( StringRef  Ext )

static

Definition at line 231 of file RISCVISAInfo.cpp.

References I, and llvm::lower_bound().

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

operator<() [1/2]

static bool operator< ( const ImpliedExtsEntry &  LHS, StringRef  RHS  )

static

Definition at line 803 of file RISCVISAInfo.cpp.

References LHS, and RHS.

operator<() [2/2]

static bool operator< ( StringRef  LHS, const ImpliedExtsEntry &  RHS  )

static

Definition at line 807 of file RISCVISAInfo.cpp.

References LHS, and RHS.

PrintExtension()

static void PrintExtension ( StringRef  Name, StringRef  Version, StringRef  Description  )

static

Definition at line 75 of file RISCVISAInfo.cpp.

References llvm::StringRef::empty(), llvm::raw_ostream::indent(), llvm::left_justify(), Name, and llvm::outs().

Referenced by llvm::RISCVISAInfo::printEnabledExtensions(), and llvm::RISCVISAInfo::printSupportedExtensions().

stripExperimentalPrefix()

static bool stripExperimentalPrefix ( StringRef &  Ext )

static

Definition at line 157 of file RISCVISAInfo.cpp.

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

verifyTables()

static void verifyTables ( )

static

Definition at line 58 of file RISCVISAInfo.cpp.

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

Variable Documentation

CombineIntoExts

constexpr StringLiteral CombineIntoExts[]

staticconstexpr

Initial value:

= {
    {"zk"},    {"zkn"},  {"zks"},   {"zvkn"},  {"zvknc"},
    {"zvkng"}, {"zvks"}, {"zvksc"}, {"zvksg"},
}

Definition at line 859 of file RISCVISAInfo.cpp.

RISCVGImplications

const char* RISCVGImplications[]

static

Initial value:

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

Definition at line 48 of file RISCVISAInfo.cpp.

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

RISCVGroup0BitPositions

constexpr RISCVExtBit RISCVGroup0BitPositions[]

staticconstexpr

Initial value:

= {
    {"a", 0},          {"c", 2},
    {"d", 3},          {"f", 5},
    {"i", 8},          {"m", 12},
    {"v", 21},         {"zacas", 26},
    {"zba", 27},       {"zbb", 28},
    {"zbc", 29},       {"zbkb", 30},
    {"zbkc", 31},      {"zbkx", 32},
    {"zbs", 33},       {"zfa", 34},
    {"zfh", 35},       {"zfhmin", 36},
    {"zicboz", 37},    {"zicond", 38},
    {"zihintntl", 39}, {"zihintpause", 40},
    {"zknd", 41},      {"zkne", 42},
    {"zknh", 43},      {"zksed", 44},
    {"zksh", 45},      {"zkt", 46},
    {"ztso", 47},      {"zvbb", 48},
    {"zvbc", 49},      {"zvfh", 50},
    {"zvfhmin", 51},   {"zvkb", 52},
    {"zvkg", 53},      {"zvkned", 54},
    {"zvknha", 55},    {"zvknhb", 56},
    {"zvksed", 57},    {"zvksh", 58},
    {"zvkt", 59}}

Maps extensions with assigned bit positions within group 0 of __riscv_features_bits to their respective bit position.

At the moment all extensions are within group 0.

Definition at line 1032 of file RISCVISAInfo.cpp.

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