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android / platform / external / clang_35a / 61f99ffc0d77f1c1d5306d070b90fba0c2c05fbe / . / lib / Basic / Targets.cpp
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//===--- Targets.cpp - Implement -arch option and targets -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements construction of a TargetInfo object from a
// target triple.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/MacroBuilder.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetOptions.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/IR/Type.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/Support/ErrorHandling.h"
#include <algorithm>
#include <memory>
using namespace clang;
//===----------------------------------------------------------------------===//
// Common code shared among targets.
//===----------------------------------------------------------------------===//
/// DefineStd - Define a macro name and standard variants. For example if
/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
/// when in GNU mode.
static void DefineStd(MacroBuilder &Builder, StringRef MacroName,
const LangOptions &Opts) {
assert(MacroName[0] != '_' && "Identifier should be in the user's namespace");
// If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier
// in the user's namespace.
if (Opts.GNUMode)
Builder.defineMacro(MacroName);
// Define __unix.
Builder.defineMacro("__" + MacroName);
// Define __unix__.
Builder.defineMacro("__" + MacroName + "__");
}
static void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName,
bool Tuning = true) {
Builder.defineMacro("__" + CPUName);
Builder.defineMacro("__" + CPUName + "__");
if (Tuning)
Builder.defineMacro("__tune_" + CPUName + "__");
}
//===----------------------------------------------------------------------===//
// Defines specific to certain operating systems.
//===----------------------------------------------------------------------===//
namespace {
template<typename TgtInfo>
class OSTargetInfo : public TgtInfo {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const=0;
public:
OSTargetInfo(const llvm::Triple &Triple) : TgtInfo(Triple) {}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override {
TgtInfo::getTargetDefines(Opts, Builder);
getOSDefines(Opts, TgtInfo::getTriple(), Builder);
}
};
} // end anonymous namespace
static void getDarwinDefines(MacroBuilder &Builder, const LangOptions &Opts,
const llvm::Triple &Triple,
StringRef &PlatformName,
VersionTuple &PlatformMinVersion) {
Builder.defineMacro("__APPLE_CC__", "6000");
Builder.defineMacro("__APPLE__");
Builder.defineMacro("OBJC_NEW_PROPERTIES");
// AddressSanitizer doesn't play well with source fortification, which is on
// by default on Darwin.
if (Opts.Sanitize.Address) Builder.defineMacro("_FORTIFY_SOURCE", "0");
if (!Opts.ObjCAutoRefCount) {
// __weak is always defined, for use in blocks and with objc pointers.
Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))");
// Darwin defines __strong even in C mode (just to nothing).
if (Opts.getGC() != LangOptions::NonGC)
Builder.defineMacro("__strong", "__attribute__((objc_gc(strong)))");
else
Builder.defineMacro("__strong", "");
// __unsafe_unretained is defined to nothing in non-ARC mode. We even
// allow this in C, since one might have block pointers in structs that
// are used in pure C code and in Objective-C ARC.
Builder.defineMacro("__unsafe_unretained", "");
}
if (Opts.Static)
Builder.defineMacro("__STATIC__");
else
Builder.defineMacro("__DYNAMIC__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
// Get the platform type and version number from the triple.
unsigned Maj, Min, Rev;
if (Triple.isMacOSX()) {
Triple.getMacOSXVersion(Maj, Min, Rev);
PlatformName = "macosx";
} else {
Triple.getOSVersion(Maj, Min, Rev);
PlatformName = llvm::Triple::getOSTypeName(Triple.getOS());
}
// If -target arch-pc-win32-macho option specified, we're
// generating code for Win32 ABI. No need to emit
// __ENVIRONMENT_XX_OS_VERSION_MIN_REQUIRED__.
if (PlatformName == "win32") {
PlatformMinVersion = VersionTuple(Maj, Min, Rev);
return;
}
// Set the appropriate OS version define.
if (Triple.isiOS()) {
assert(Maj < 10 && Min < 100 && Rev < 100 && "Invalid version!");
char Str[6];
Str[0] = '0' + Maj;
Str[1] = '0' + (Min / 10);
Str[2] = '0' + (Min % 10);
Str[3] = '0' + (Rev / 10);
Str[4] = '0' + (Rev % 10);
Str[5] = '\0';
Builder.defineMacro("__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__",
Str);
} else if (Triple.isMacOSX()) {
// Note that the Driver allows versions which aren't representable in the
// define (because we only get a single digit for the minor and micro
// revision numbers). So, we limit them to the maximum representable
// version.
assert(Maj < 100 && Min < 100 && Rev < 100 && "Invalid version!");
char Str[5];
Str[0] = '0' + (Maj / 10);
Str[1] = '0' + (Maj % 10);
Str[2] = '0' + std::min(Min, 9U);
Str[3] = '0' + std::min(Rev, 9U);
Str[4] = '\0';
Builder.defineMacro("__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__", Str);
}
// Tell users about the kernel if there is one.
if (Triple.isOSDarwin())
Builder.defineMacro("__MACH__");
PlatformMinVersion = VersionTuple(Maj, Min, Rev);
}
namespace {
template<typename Target>
class DarwinTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
getDarwinDefines(Builder, Opts, Triple, this->PlatformName,
this->PlatformMinVersion);
}
public:
DarwinTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->TLSSupported = Triple.isMacOSX() && !Triple.isMacOSXVersionLT(10, 7);
this->MCountName = "\01mcount";
}
std::string isValidSectionSpecifier(StringRef SR) const override {
// Let MCSectionMachO validate this.
StringRef Segment, Section;
unsigned TAA, StubSize;
bool HasTAA;
return llvm::MCSectionMachO::ParseSectionSpecifier(SR, Segment, Section,
TAA, HasTAA, StubSize);
}
const char *getStaticInitSectionSpecifier() const override {
// FIXME: We should return 0 when building kexts.
return "__TEXT,__StaticInit,regular,pure_instructions";
}
/// Darwin does not support protected visibility. Darwin's "default"
/// is very similar to ELF's "protected"; Darwin requires a "weak"
/// attribute on declarations that can be dynamically replaced.
bool hasProtectedVisibility() const override {
return false;
}
};
// DragonFlyBSD Target
template<typename Target>
class DragonFlyBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// DragonFly defines; list based off of gcc output
Builder.defineMacro("__DragonFly__");
Builder.defineMacro("__DragonFly_cc_version", "100001");
Builder.defineMacro("__ELF__");
Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
Builder.defineMacro("__tune_i386__");
DefineStd(Builder, "unix", Opts);
}
public:
DragonFlyBSDTargetInfo(const llvm::Triple &Triple)
: OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
switch (Triple.getArch()) {
default:
case llvm::Triple::x86:
case llvm::Triple::x86_64:
this->MCountName = ".mcount";
break;
}
}
};
// FreeBSD Target
template<typename Target>
class FreeBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// FreeBSD defines; list based off of gcc output
unsigned Release = Triple.getOSMajorVersion();
if (Release == 0U)
Release = 8;
Builder.defineMacro("__FreeBSD__", Twine(Release));
Builder.defineMacro("__FreeBSD_cc_version", Twine(Release * 100000U + 1U));
Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
// On FreeBSD, wchar_t contains the number of the code point as
// used by the character set of the locale. These character sets are
// not necessarily a superset of ASCII.
Builder.defineMacro("__STDC_MB_MIGHT_NEQ_WC__", "1");
}
public:
FreeBSDTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
switch (Triple.getArch()) {
default:
case llvm::Triple::x86:
case llvm::Triple::x86_64:
this->MCountName = ".mcount";
break;
case llvm::Triple::mips:
case llvm::Triple::mipsel:
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
case llvm::Triple::ppc64le:
this->MCountName = "_mcount";
break;
case llvm::Triple::arm:
this->MCountName = "__mcount";
break;
}
}
};
// GNU/kFreeBSD Target
template<typename Target>
class KFreeBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// GNU/kFreeBSD defines; list based off of gcc output
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__FreeBSD_kernel__");
Builder.defineMacro("__GLIBC__");
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
}
public:
KFreeBSDTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
}
};
// Minix Target
template<typename Target>
class MinixTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// Minix defines
Builder.defineMacro("__minix", "3");
Builder.defineMacro("_EM_WSIZE", "4");
Builder.defineMacro("_EM_PSIZE", "4");
Builder.defineMacro("_EM_SSIZE", "2");
Builder.defineMacro("_EM_LSIZE", "4");
Builder.defineMacro("_EM_FSIZE", "4");
Builder.defineMacro("_EM_DSIZE", "8");
Builder.defineMacro("__ELF__");
DefineStd(Builder, "unix", Opts);
}
public:
MinixTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
}
};
// Linux target
template<typename Target>
class LinuxTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// Linux defines; list based off of gcc output
DefineStd(Builder, "unix", Opts);
DefineStd(Builder, "linux", Opts);
Builder.defineMacro("__gnu_linux__");
Builder.defineMacro("__ELF__");
if (Triple.getEnvironment() == llvm::Triple::Android)
Builder.defineMacro("__ANDROID__", "1");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
}
public:
LinuxTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
this->WIntType = TargetInfo::UnsignedInt;
switch (Triple.getArch()) {
default:
break;
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
case llvm::Triple::ppc64le:
this->MCountName = "_mcount";
break;
}
}
const char *getStaticInitSectionSpecifier() const override {
return ".text.startup";
}
};
// NetBSD Target
template<typename Target>
class NetBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// NetBSD defines; list based off of gcc output
Builder.defineMacro("__NetBSD__");
Builder.defineMacro("__unix__");
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_POSIX_THREADS");
}
public:
NetBSDTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
}
};
// OpenBSD Target
template<typename Target>
class OpenBSDTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// OpenBSD defines; list based off of gcc output
Builder.defineMacro("__OpenBSD__");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
}
public:
OpenBSDTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
this->TLSSupported = false;
switch (Triple.getArch()) {
default:
case llvm::Triple::x86:
case llvm::Triple::x86_64:
case llvm::Triple::arm:
case llvm::Triple::sparc:
this->MCountName = "__mcount";
break;
case llvm::Triple::mips64:
case llvm::Triple::mips64el:
case llvm::Triple::ppc:
case llvm::Triple::sparcv9:
this->MCountName = "_mcount";
break;
}
}
};
// Bitrig Target
template<typename Target>
class BitrigTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// Bitrig defines; list based off of gcc output
Builder.defineMacro("__Bitrig__");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
}
public:
BitrigTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
this->TLSSupported = false;
this->MCountName = "__mcount";
}
};
// PSP Target
template<typename Target>
class PSPTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// PSP defines; list based on the output of the pspdev gcc toolchain.
Builder.defineMacro("PSP");
Builder.defineMacro("_PSP");
Builder.defineMacro("__psp__");
Builder.defineMacro("__ELF__");
}
public:
PSPTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
}
};
// PS3 PPU Target
template<typename Target>
class PS3PPUTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
// PS3 PPU defines.
Builder.defineMacro("__PPC__");
Builder.defineMacro("__PPU__");
Builder.defineMacro("__CELLOS_LV2__");
Builder.defineMacro("__ELF__");
Builder.defineMacro("__LP32__");
Builder.defineMacro("_ARCH_PPC64");
Builder.defineMacro("__powerpc64__");
}
public:
PS3PPUTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
this->LongWidth = this->LongAlign = 32;
this->PointerWidth = this->PointerAlign = 32;
this->IntMaxType = TargetInfo::SignedLongLong;
this->UIntMaxType = TargetInfo::UnsignedLongLong;
this->Int64Type = TargetInfo::SignedLongLong;
this->SizeType = TargetInfo::UnsignedInt;
this->DescriptionString = "E-m:e-p:32:32-i64:64-n32:64";
}
};
// AuroraUX target
template<typename Target>
class AuroraUXTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
DefineStd(Builder, "sun", Opts);
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
Builder.defineMacro("__svr4__");
Builder.defineMacro("__SVR4");
}
public:
AuroraUXTargetInfo(const llvm::Triple &Triple)
: OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
this->WCharType = this->SignedLong;
// FIXME: WIntType should be SignedLong
}
};
// Solaris target
template<typename Target>
class SolarisTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
DefineStd(Builder, "sun", Opts);
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
Builder.defineMacro("__svr4__");
Builder.defineMacro("__SVR4");
// Solaris headers require _XOPEN_SOURCE to be set to 600 for C99 and
// newer, but to 500 for everything else. feature_test.h has a check to
// ensure that you are not using C99 with an old version of X/Open or C89
// with a new version.
if (Opts.C99 || Opts.C11)
Builder.defineMacro("_XOPEN_SOURCE", "600");
else
Builder.defineMacro("_XOPEN_SOURCE", "500");
if (Opts.CPlusPlus)
Builder.defineMacro("__C99FEATURES__");
Builder.defineMacro("_LARGEFILE_SOURCE");
Builder.defineMacro("_LARGEFILE64_SOURCE");
Builder.defineMacro("__EXTENSIONS__");
Builder.defineMacro("_REENTRANT");
}
public:
SolarisTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
this->WCharType = this->SignedInt;
// FIXME: WIntType should be SignedLong
}
};
// Windows target
template<typename Target>
class WindowsTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
Builder.defineMacro("_WIN32");
}
void getVisualStudioDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
if (Opts.CPlusPlus) {
if (Opts.RTTI)
Builder.defineMacro("_CPPRTTI");
if (Opts.Exceptions)
Builder.defineMacro("_CPPUNWIND");
}
if (!Opts.CharIsSigned)
Builder.defineMacro("_CHAR_UNSIGNED");
// FIXME: POSIXThreads isn't exactly the option this should be defined for,
// but it works for now.
if (Opts.POSIXThreads)
Builder.defineMacro("_MT");
if (Opts.MSCVersion != 0)
Builder.defineMacro("_MSC_VER", Twine(Opts.MSCVersion));
if (Opts.MicrosoftExt) {
Builder.defineMacro("_MSC_EXTENSIONS");
if (Opts.CPlusPlus11) {
Builder.defineMacro("_RVALUE_REFERENCES_V2_SUPPORTED");
Builder.defineMacro("_RVALUE_REFERENCES_SUPPORTED");
Builder.defineMacro("_NATIVE_NULLPTR_SUPPORTED");
}
}
Builder.defineMacro("_INTEGRAL_MAX_BITS", "64");
}
public:
WindowsTargetInfo(const llvm::Triple &Triple)
: OSTargetInfo<Target>(Triple) {}
};
template <typename Target>
class NaClTargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
DefineStd(Builder, "unix", Opts);
Builder.defineMacro("__ELF__");
Builder.defineMacro("__native_client__");
}
public:
NaClTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
this->UserLabelPrefix = "";
this->LongAlign = 32;
this->LongWidth = 32;
this->PointerAlign = 32;
this->PointerWidth = 32;
this->IntMaxType = TargetInfo::SignedLongLong;
this->UIntMaxType = TargetInfo::UnsignedLongLong;
this->Int64Type = TargetInfo::SignedLongLong;
this->DoubleAlign = 64;
this->LongDoubleWidth = 64;
this->LongDoubleAlign = 64;
this->LongLongWidth = 64;
this->LongLongAlign = 64;
this->SizeType = TargetInfo::UnsignedInt;
this->PtrDiffType = TargetInfo::SignedInt;
this->IntPtrType = TargetInfo::SignedInt;
// RegParmMax is inherited from the underlying architecture
this->LongDoubleFormat = &llvm::APFloat::IEEEdouble;
if (Triple.getArch() == llvm::Triple::arm) {
this->DescriptionString = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S128";
} else if (Triple.getArch() == llvm::Triple::x86) {
this->DescriptionString = "e-m:e-p:32:32-i64:64-n8:16:32-S128";
} else if (Triple.getArch() == llvm::Triple::x86_64) {
this->DescriptionString = "e-m:e-p:32:32-i64:64-n8:16:32:64-S128";
} else if (Triple.getArch() == llvm::Triple::mipsel) {
// Handled on mips' setDescriptionString.
} else {
assert(Triple.getArch() == llvm::Triple::le32);
this->DescriptionString = "e-p:32:32-i64:64";
}
}
typename Target::CallingConvCheckResult checkCallingConvention(
CallingConv CC) const override {
return CC == CC_PnaclCall ? Target::CCCR_OK :
Target::checkCallingConvention(CC);
}
};
} // end anonymous namespace.
//===----------------------------------------------------------------------===//
// Specific target implementations.
//===----------------------------------------------------------------------===//
namespace {
// PPC abstract base class
class PPCTargetInfo : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
static const char * const GCCRegNames[];
static const TargetInfo::GCCRegAlias GCCRegAliases[];
std::string CPU;
// Target cpu features.
bool HasVSX;
public:
PPCTargetInfo(const llvm::Triple &Triple)
: TargetInfo(Triple), HasVSX(false) {
BigEndian = (Triple.getArch() != llvm::Triple::ppc64le);
LongDoubleWidth = LongDoubleAlign = 128;
LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble;
}
/// \brief Flags for architecture specific defines.
typedef enum {
ArchDefineNone = 0,
ArchDefineName = 1 << 0, // <name> is substituted for arch name.
ArchDefinePpcgr = 1 << 1,
ArchDefinePpcsq = 1 << 2,
ArchDefine440 = 1 << 3,
ArchDefine603 = 1 << 4,
ArchDefine604 = 1 << 5,
ArchDefinePwr4 = 1 << 6,
ArchDefinePwr5 = 1 << 7,
ArchDefinePwr5x = 1 << 8,
ArchDefinePwr6 = 1 << 9,
ArchDefinePwr6x = 1 << 10,
ArchDefinePwr7 = 1 << 11,
ArchDefineA2 = 1 << 12,
ArchDefineA2q = 1 << 13
} ArchDefineTypes;
// Note: GCC recognizes the following additional cpus:
// 401, 403, 405, 405fp, 440fp, 464, 464fp, 476, 476fp, 505, 740, 801,
// 821, 823, 8540, 8548, e300c2, e300c3, e500mc64, e6500, 860, cell,
// titan, rs64.
bool setCPU(const std::string &Name) override {
bool CPUKnown = llvm::StringSwitch<bool>(Name)
.Case("generic", true)
.Case("440", true)
.Case("450", true)
.Case("601", true)
.Case("602", true)
.Case("603", true)
.Case("603e", true)
.Case("603ev", true)
.Case("604", true)
.Case("604e", true)
.Case("620", true)
.Case("630", true)
.Case("g3", true)
.Case("7400", true)
.Case("g4", true)
.Case("7450", true)
.Case("g4+", true)
.Case("750", true)
.Case("970", true)
.Case("g5", true)
.Case("a2", true)
.Case("a2q", true)
.Case("e500mc", true)
.Case("e5500", true)
.Case("power3", true)
.Case("pwr3", true)
.Case("power4", true)
.Case("pwr4", true)
.Case("power5", true)
.Case("pwr5", true)
.Case("power5x", true)
.Case("pwr5x", true)
.Case("power6", true)
.Case("pwr6", true)
.Case("power6x", true)
.Case("pwr6x", true)
.Case("power7", true)
.Case("pwr7", true)
.Case("powerpc", true)
.Case("ppc", true)
.Case("powerpc64", true)
.Case("ppc64", true)
.Case("powerpc64le", true)
.Case("ppc64le", true)
.Default(false);
if (CPUKnown)
CPU = Name;
return CPUKnown;
}
void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const override {
Records = BuiltinInfo;
NumRecords = clang::PPC::LastTSBuiltin-Builtin::FirstTSBuiltin;
}
bool isCLZForZeroUndef() const override { return false; }
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
void getDefaultFeatures(llvm::StringMap<bool> &Features) const override;
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override;
bool hasFeature(StringRef Feature) const override;
void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const override;
void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const override;
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override {
switch (*Name) {
default: return false;
case 'O': // Zero
break;
case 'b': // Base register
case 'f': // Floating point register
Info.setAllowsRegister();
break;
// FIXME: The following are added to allow parsing.
// I just took a guess at what the actions should be.
// Also, is more specific checking needed? I.e. specific registers?
case 'd': // Floating point register (containing 64-bit value)
case 'v': // Altivec vector register
Info.setAllowsRegister();
break;
case 'w':
switch (Name[1]) {
case 'd':// VSX vector register to hold vector double data
case 'f':// VSX vector register to hold vector float data
case 's':// VSX vector register to hold scalar float data
case 'a':// Any VSX register
case 'c':// An individual CR bit
break;
default:
return false;
}
Info.setAllowsRegister();
Name++; // Skip over 'w'.
break;
case 'h': // `MQ', `CTR', or `LINK' register
case 'q': // `MQ' register
case 'c': // `CTR' register
case 'l': // `LINK' register
case 'x': // `CR' register (condition register) number 0
case 'y': // `CR' register (condition register)
case 'z': // `XER[CA]' carry bit (part of the XER register)
Info.setAllowsRegister();
break;
case 'I': // Signed 16-bit constant
case 'J': // Unsigned 16-bit constant shifted left 16 bits
// (use `L' instead for SImode constants)
case 'K': // Unsigned 16-bit constant
case 'L': // Signed 16-bit constant shifted left 16 bits
case 'M': // Constant larger than 31
case 'N': // Exact power of 2
case 'P': // Constant whose negation is a signed 16-bit constant
case 'G': // Floating point constant that can be loaded into a
// register with one instruction per word
case 'H': // Integer/Floating point constant that can be loaded
// into a register using three instructions
break;
case 'm': // Memory operand. Note that on PowerPC targets, m can
// include addresses that update the base register. It
// is therefore only safe to use `m' in an asm statement
// if that asm statement accesses the operand exactly once.
// The asm statement must also use `%U<opno>' as a
// placeholder for the "update" flag in the corresponding
// load or store instruction. For example:
// asm ("st%U0 %1,%0" : "=m" (mem) : "r" (val));
// is correct but:
// asm ("st %1,%0" : "=m" (mem) : "r" (val));
// is not. Use es rather than m if you don't want the base
// register to be updated.
case 'e':
if (Name[1] != 's')
return false;
// es: A "stable" memory operand; that is, one which does not
// include any automodification of the base register. Unlike
// `m', this constraint can be used in asm statements that
// might access the operand several times, or that might not
// access it at all.
Info.setAllowsMemory();
Name++; // Skip over 'e'.
break;
case 'Q': // Memory operand that is an offset from a register (it is
// usually better to use `m' or `es' in asm statements)
case 'Z': // Memory operand that is an indexed or indirect from a
// register (it is usually better to use `m' or `es' in
// asm statements)
Info.setAllowsMemory();
Info.setAllowsRegister();
break;
case 'R': // AIX TOC entry
case 'a': // Address operand that is an indexed or indirect from a
// register (`p' is preferable for asm statements)
case 'S': // Constant suitable as a 64-bit mask operand
case 'T': // Constant suitable as a 32-bit mask operand
case 'U': // System V Release 4 small data area reference
case 't': // AND masks that can be performed by two rldic{l, r}
// instructions
case 'W': // Vector constant that does not require memory
case 'j': // Vector constant that is all zeros.
break;
// End FIXME.
}
return true;
}
std::string convertConstraint(const char *&Constraint) const override {
std::string R;
switch (*Constraint) {
case 'e':
case 'w':
// Two-character constraint; add "^" hint for later parsing.
R = std::string("^") + std::string(Constraint, 2);
Constraint++;
break;
default:
return TargetInfo::convertConstraint(Constraint);
}
return R;
}
const char *getClobbers() const override {
return "";
}
int getEHDataRegisterNumber(unsigned RegNo) const override {
if (RegNo == 0) return 3;
if (RegNo == 1) return 4;
return -1;
}
};
const Builtin::Info PPCTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
ALL_LANGUAGES },
#include "clang/Basic/BuiltinsPPC.def"
};
/// handleTargetFeatures - Perform initialization based on the user
/// configured set of features.
bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) {
// Remember the maximum enabled sselevel.
for (unsigned i = 0, e = Features.size(); i !=e; ++i) {
// Ignore disabled features.
if (Features[i][0] == '-')
continue;
StringRef Feature = StringRef(Features[i]).substr(1);
if (Feature == "vsx") {
HasVSX = true;
continue;
}
// TODO: Finish this list and add an assert that we've handled them
// all.
}
return true;
}
/// PPCTargetInfo::getTargetDefines - Return a set of the PowerPC-specific
/// #defines that are not tied to a specific subtarget.
void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
// Target identification.
Builder.defineMacro("__ppc__");
Builder.defineMacro("__PPC__");
Builder.defineMacro("_ARCH_PPC");
Builder.defineMacro("__powerpc__");
Builder.defineMacro("__POWERPC__");
if (PointerWidth == 64) {
Builder.defineMacro("_ARCH_PPC64");
Builder.defineMacro("__powerpc64__");
Builder.defineMacro("__ppc64__");
Builder.defineMacro("__PPC64__");
}
// Target properties.
if (getTriple().getArch() == llvm::Triple::ppc64le) {
Builder.defineMacro("_LITTLE_ENDIAN");
Builder.defineMacro("_CALL_ELF","2");
} else {
if (getTriple().getOS() != llvm::Triple::NetBSD &&
getTriple().getOS() != llvm::Triple::OpenBSD)
Builder.defineMacro("_BIG_ENDIAN");
}
// Subtarget options.
Builder.defineMacro("__NATURAL_ALIGNMENT__");
Builder.defineMacro("__REGISTER_PREFIX__", "");
// FIXME: Should be controlled by command line option.
if (LongDoubleWidth == 128)
Builder.defineMacro("__LONG_DOUBLE_128__");
if (Opts.AltiVec) {
Builder.defineMacro("__VEC__", "10206");
Builder.defineMacro("__ALTIVEC__");
}
// CPU identification.
ArchDefineTypes defs = (ArchDefineTypes)llvm::StringSwitch<int>(CPU)
.Case("440", ArchDefineName)
.Case("450", ArchDefineName | ArchDefine440)
.Case("601", ArchDefineName)
.Case("602", ArchDefineName | ArchDefinePpcgr)
.Case("603", ArchDefineName | ArchDefinePpcgr)
.Case("603e", ArchDefineName | ArchDefine603 | ArchDefinePpcgr)
.Case("603ev", ArchDefineName | ArchDefine603 | ArchDefinePpcgr)
.Case("604", ArchDefineName | ArchDefinePpcgr)
.Case("604e", ArchDefineName | ArchDefine604 | ArchDefinePpcgr)
.Case("620", ArchDefineName | ArchDefinePpcgr)
.Case("630", ArchDefineName | ArchDefinePpcgr)
.Case("7400", ArchDefineName | ArchDefinePpcgr)
.Case("7450", ArchDefineName | ArchDefinePpcgr)
.Case("750", ArchDefineName | ArchDefinePpcgr)
.Case("970", ArchDefineName | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("a2", ArchDefineA2)
.Case("a2q", ArchDefineName | ArchDefineA2 | ArchDefineA2q)
.Case("pwr3", ArchDefinePpcgr)
.Case("pwr4", ArchDefineName | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr5", ArchDefineName | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("pwr5x", ArchDefineName | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr6", ArchDefineName | ArchDefinePwr5x | ArchDefinePwr5
| ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("pwr6x", ArchDefineName | ArchDefinePwr6 | ArchDefinePwr5x
| ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("pwr7", ArchDefineName | ArchDefinePwr6x | ArchDefinePwr6
| ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePwr6 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power3", ArchDefinePpcgr)
.Case("power4", ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power5", ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("power5x", ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power6", ArchDefinePwr6 | ArchDefinePwr5x | ArchDefinePwr5
| ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Case("power6x", ArchDefinePwr6x | ArchDefinePwr6 | ArchDefinePwr5x
| ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr
| ArchDefinePpcsq)
.Case("power7", ArchDefinePwr7 | ArchDefinePwr6x | ArchDefinePwr6
| ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4
| ArchDefinePwr6 | ArchDefinePpcgr | ArchDefinePpcsq)
.Default(ArchDefineNone);
if (defs & ArchDefineName)
Builder.defineMacro(Twine("_ARCH_", StringRef(CPU).upper()));
if (defs & ArchDefinePpcgr)
Builder.defineMacro("_ARCH_PPCGR");
if (defs & ArchDefinePpcsq)
Builder.defineMacro("_ARCH_PPCSQ");
if (defs & ArchDefine440)
Builder.defineMacro("_ARCH_440");
if (defs & ArchDefine603)
Builder.defineMacro("_ARCH_603");
if (defs & ArchDefine604)
Builder.defineMacro("_ARCH_604");
if (defs & ArchDefinePwr4)
Builder.defineMacro("_ARCH_PWR4");
if (defs & ArchDefinePwr5)
Builder.defineMacro("_ARCH_PWR5");
if (defs & ArchDefinePwr5x)
Builder.defineMacro("_ARCH_PWR5X");
if (defs & ArchDefinePwr6)
Builder.defineMacro("_ARCH_PWR6");
if (defs & ArchDefinePwr6x)
Builder.defineMacro("_ARCH_PWR6X");
if (defs & ArchDefinePwr7)
Builder.defineMacro("_ARCH_PWR7");
if (defs & ArchDefineA2)
Builder.defineMacro("_ARCH_A2");
if (defs & ArchDefineA2q) {
Builder.defineMacro("_ARCH_A2Q");
Builder.defineMacro("_ARCH_QP");
}
if (getTriple().getVendor() == llvm::Triple::BGQ) {
Builder.defineMacro("__bg__");
Builder.defineMacro("__THW_BLUEGENE__");
Builder.defineMacro("__bgq__");
Builder.defineMacro("__TOS_BGQ__");
}
if (HasVSX)
Builder.defineMacro("__VSX__");
// FIXME: The following are not yet generated here by Clang, but are
// generated by GCC:
//
// _SOFT_FLOAT_
// __RECIP_PRECISION__
// __APPLE_ALTIVEC__
// __RECIP__
// __RECIPF__
// __RSQRTE__
// __RSQRTEF__
// _SOFT_DOUBLE_
// __NO_LWSYNC__
// __HAVE_BSWAP__
// __LONGDOUBLE128
// __CMODEL_MEDIUM__
// __CMODEL_LARGE__
// _CALL_SYSV
// _CALL_DARWIN
// __NO_FPRS__
}
void PPCTargetInfo::getDefaultFeatures(llvm::StringMap<bool> &Features) const {
Features["altivec"] = llvm::StringSwitch<bool>(CPU)
.Case("7400", true)
.Case("g4", true)
.Case("7450", true)
.Case("g4+", true)
.Case("970", true)
.Case("g5", true)
.Case("pwr6", true)
.Case("pwr7", true)
.Case("ppc64", true)
.Case("ppc64le", true)
.Default(false);
Features["qpx"] = (CPU == "a2q");
}
bool PPCTargetInfo::hasFeature(StringRef Feature) const {
return Feature == "powerpc";
}
const char * const PPCTargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
"mq", "lr", "ctr", "ap",
"cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
"xer",
"v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
"v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
"v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
"vrsave", "vscr",
"spe_acc", "spefscr",
"sfp"
};
void PPCTargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
const TargetInfo::GCCRegAlias PPCTargetInfo::GCCRegAliases[] = {
// While some of these aliases do map to different registers
// they still share the same register name.
{ { "0" }, "r0" },
{ { "1"}, "r1" },
{ { "2" }, "r2" },
{ { "3" }, "r3" },
{ { "4" }, "r4" },
{ { "5" }, "r5" },
{ { "6" }, "r6" },
{ { "7" }, "r7" },
{ { "8" }, "r8" },
{ { "9" }, "r9" },
{ { "10" }, "r10" },
{ { "11" }, "r11" },
{ { "12" }, "r12" },
{ { "13" }, "r13" },
{ { "14" }, "r14" },
{ { "15" }, "r15" },
{ { "16" }, "r16" },
{ { "17" }, "r17" },
{ { "18" }, "r18" },
{ { "19" }, "r19" },
{ { "20" }, "r20" },
{ { "21" }, "r21" },
{ { "22" }, "r22" },
{ { "23" }, "r23" },
{ { "24" }, "r24" },
{ { "25" }, "r25" },
{ { "26" }, "r26" },
{ { "27" }, "r27" },
{ { "28" }, "r28" },
{ { "29" }, "r29" },
{ { "30" }, "r30" },
{ { "31" }, "r31" },
{ { "fr0" }, "f0" },
{ { "fr1" }, "f1" },
{ { "fr2" }, "f2" },
{ { "fr3" }, "f3" },
{ { "fr4" }, "f4" },
{ { "fr5" }, "f5" },
{ { "fr6" }, "f6" },
{ { "fr7" }, "f7" },
{ { "fr8" }, "f8" },
{ { "fr9" }, "f9" },
{ { "fr10" }, "f10" },
{ { "fr11" }, "f11" },
{ { "fr12" }, "f12" },
{ { "fr13" }, "f13" },
{ { "fr14" }, "f14" },
{ { "fr15" }, "f15" },
{ { "fr16" }, "f16" },
{ { "fr17" }, "f17" },
{ { "fr18" }, "f18" },
{ { "fr19" }, "f19" },
{ { "fr20" }, "f20" },
{ { "fr21" }, "f21" },
{ { "fr22" }, "f22" },
{ { "fr23" }, "f23" },
{ { "fr24" }, "f24" },
{ { "fr25" }, "f25" },
{ { "fr26" }, "f26" },
{ { "fr27" }, "f27" },
{ { "fr28" }, "f28" },
{ { "fr29" }, "f29" },
{ { "fr30" }, "f30" },
{ { "fr31" }, "f31" },
{ { "cc" }, "cr0" },
};
void PPCTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
Aliases = GCCRegAliases;
NumAliases = llvm::array_lengthof(GCCRegAliases);
}
} // end anonymous namespace.
namespace {
class PPC32TargetInfo : public PPCTargetInfo {
public:
PPC32TargetInfo(const llvm::Triple &Triple) : PPCTargetInfo(Triple) {
DescriptionString = "E-m:e-p:32:32-i64:64-n32";
switch (getTriple().getOS()) {
case llvm::Triple::Linux:
case llvm::Triple::FreeBSD:
case llvm::Triple::NetBSD:
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
IntPtrType = SignedInt;
break;
default:
break;
}
if (getTriple().getOS() == llvm::Triple::FreeBSD) {
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble;
}
// PPC32 supports atomics up to 4 bytes.
MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
}
BuiltinVaListKind getBuiltinVaListKind() const override {
// This is the ELF definition, and is overridden by the Darwin sub-target
return TargetInfo::PowerABIBuiltinVaList;
}
};
} // end anonymous namespace.
// Note: ABI differences may eventually require us to have a separate
// TargetInfo for little endian.
namespace {
class PPC64TargetInfo : public PPCTargetInfo {
public:
PPC64TargetInfo(const llvm::Triple &Triple) : PPCTargetInfo(Triple) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
IntMaxType = SignedLong;
UIntMaxType = UnsignedLong;
Int64Type = SignedLong;
if (getTriple().getOS() == llvm::Triple::FreeBSD) {
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble;
DescriptionString = "E-m:e-i64:64-n32:64";
} else {
if ((Triple.getArch() == llvm::Triple::ppc64le)) {
DescriptionString = "e-m:e-i64:64-n32:64";
} else {
DescriptionString = "E-m:e-i64:64-n32:64";
}
}
// PPC64 supports atomics up to 8 bytes.
MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::CharPtrBuiltinVaList;
}
};
} // end anonymous namespace.
namespace {
class DarwinPPC32TargetInfo :
public DarwinTargetInfo<PPC32TargetInfo> {
public:
DarwinPPC32TargetInfo(const llvm::Triple &Triple)
: DarwinTargetInfo<PPC32TargetInfo>(Triple) {
HasAlignMac68kSupport = true;
BoolWidth = BoolAlign = 32; //XXX support -mone-byte-bool?
PtrDiffType = SignedInt; // for http://llvm.org/bugs/show_bug.cgi?id=15726
LongLongAlign = 32;
SuitableAlign = 128;
DescriptionString = "E-m:o-p:32:32-f64:32:64-n32";
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::CharPtrBuiltinVaList;
}
};
class DarwinPPC64TargetInfo :
public DarwinTargetInfo<PPC64TargetInfo> {
public:
DarwinPPC64TargetInfo(const llvm::Triple &Triple)
: DarwinTargetInfo<PPC64TargetInfo>(Triple) {
HasAlignMac68kSupport = true;
SuitableAlign = 128;
DescriptionString = "E-m:o-i64:64-n32:64";
}
};
} // end anonymous namespace.
namespace {
static const unsigned NVPTXAddrSpaceMap[] = {
1, // opencl_global
3, // opencl_local
4, // opencl_constant
1, // cuda_device
4, // cuda_constant
3, // cuda_shared
};
class NVPTXTargetInfo : public TargetInfo {
static const char * const GCCRegNames[];
static const Builtin::Info BuiltinInfo[];
public:
NVPTXTargetInfo(const llvm::Triple &Triple) : TargetInfo(Triple) {
BigEndian = false;
TLSSupported = false;
LongWidth = LongAlign = 64;
AddrSpaceMap = &NVPTXAddrSpaceMap;
UseAddrSpaceMapMangling = true;
// Define available target features
// These must be defined in sorted order!
NoAsmVariants = true;
}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override {
Builder.defineMacro("__PTX__");
Builder.defineMacro("__NVPTX__");
}
void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const override {
Records = BuiltinInfo;
NumRecords = clang::NVPTX::LastTSBuiltin-Builtin::FirstTSBuiltin;
}
bool hasFeature(StringRef Feature) const override {
return Feature == "ptx" || Feature == "nvptx";
}
void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const override;
void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const override {
// No aliases.
Aliases = 0;
NumAliases = 0;
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override {
switch (*Name) {
default: return false;
case 'c':
case 'h':
case 'r':
case 'l':
case 'f':
case 'd':
Info.setAllowsRegister();
return true;
}
}
const char *getClobbers() const override {
// FIXME: Is this really right?
return "";
}
BuiltinVaListKind getBuiltinVaListKind() const override {
// FIXME: implement
return TargetInfo::CharPtrBuiltinVaList;
}
bool setCPU(const std::string &Name) override {
bool Valid = llvm::StringSwitch<bool>(Name)
.Case("sm_20", true)
.Case("sm_21", true)
.Case("sm_30", true)
.Case("sm_35", true)
.Default(false);
return Valid;
}
};
const Builtin::Info NVPTXTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
ALL_LANGUAGES },
#include "clang/Basic/BuiltinsNVPTX.def"
};
const char * const NVPTXTargetInfo::GCCRegNames[] = {
"r0"
};
void NVPTXTargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
class NVPTX32TargetInfo : public NVPTXTargetInfo {
public:
NVPTX32TargetInfo(const llvm::Triple &Triple) : NVPTXTargetInfo(Triple) {
PointerWidth = PointerAlign = 32;
SizeType = PtrDiffType = IntPtrType = TargetInfo::UnsignedInt;
DescriptionString = "e-p:32:32-i64:64-v16:16-v32:32-n16:32:64";
}
};
class NVPTX64TargetInfo : public NVPTXTargetInfo {
public:
NVPTX64TargetInfo(const llvm::Triple &Triple) : NVPTXTargetInfo(Triple) {
PointerWidth = PointerAlign = 64;
SizeType = PtrDiffType = IntPtrType = TargetInfo::UnsignedLongLong;
DescriptionString = "e-i64:64-v16:16-v32:32-n16:32:64";
}
};
}
namespace {
static const unsigned R600AddrSpaceMap[] = {
1, // opencl_global
3, // opencl_local
2, // opencl_constant
1, // cuda_device
2, // cuda_constant
3 // cuda_shared
};
static const char *DescriptionStringR600 =
"e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
"-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
static const char *DescriptionStringR600DoubleOps =
"e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
"-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
static const char *DescriptionStringSI =
"e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:32:32-p5:64:64"
"-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
"-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
class R600TargetInfo : public TargetInfo {
/// \brief The GPU profiles supported by the R600 target.
enum GPUKind {
GK_NONE,
GK_R600,
GK_R600_DOUBLE_OPS,
GK_R700,
GK_R700_DOUBLE_OPS,
GK_EVERGREEN,
GK_EVERGREEN_DOUBLE_OPS,
GK_NORTHERN_ISLANDS,
GK_CAYMAN,
GK_SOUTHERN_ISLANDS,
GK_SEA_ISLANDS
} GPU;
public:
R600TargetInfo(const llvm::Triple &Triple)
: TargetInfo(Triple), GPU(GK_R600) {
DescriptionString = DescriptionStringR600;
AddrSpaceMap = &R600AddrSpaceMap;
UseAddrSpaceMapMangling = true;
}
const char * getClobbers() const override {
return "";
}
void getGCCRegNames(const char * const *&Names,
unsigned &numNames) const override {
Names = NULL;
numNames = 0;
}
void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const override {
Aliases = NULL;
NumAliases = 0;
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const override {
return true;
}
void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const override {
Records = NULL;
NumRecords = 0;
}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override {
Builder.defineMacro("__R600__");
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::CharPtrBuiltinVaList;
}
bool setCPU(const std::string &Name) override {
GPU = llvm::StringSwitch<GPUKind>(Name)
.Case("r600" , GK_R600)
.Case("rv610", GK_R600)
.Case("rv620", GK_R600)
.Case("rv630", GK_R600)
.Case("rv635", GK_R600)
.Case("rs780", GK_R600)
.Case("rs880", GK_R600)
.Case("rv670", GK_R600_DOUBLE_OPS)
.Case("rv710", GK_R700)
.Case("rv730", GK_R700)
.Case("rv740", GK_R700_DOUBLE_OPS)
.Case("rv770", GK_R700_DOUBLE_OPS)
.Case("palm", GK_EVERGREEN)
.Case("cedar", GK_EVERGREEN)
.Case("sumo", GK_EVERGREEN)
.Case("sumo2", GK_EVERGREEN)
.Case("redwood", GK_EVERGREEN)
.Case("juniper", GK_EVERGREEN)
.Case("hemlock", GK_EVERGREEN_DOUBLE_OPS)
.Case("cypress", GK_EVERGREEN_DOUBLE_OPS)
.Case("barts", GK_NORTHERN_ISLANDS)
.Case("turks", GK_NORTHERN_ISLANDS)
.Case("caicos", GK_NORTHERN_ISLANDS)
.Case("cayman", GK_CAYMAN)
.Case("aruba", GK_CAYMAN)
.Case("tahiti", GK_SOUTHERN_ISLANDS)
.Case("pitcairn", GK_SOUTHERN_ISLANDS)
.Case("verde", GK_SOUTHERN_ISLANDS)
.Case("oland", GK_SOUTHERN_ISLANDS)
.Case("bonaire", GK_SEA_ISLANDS)
.Case("kabini", GK_SEA_ISLANDS)
.Case("kaveri", GK_SEA_ISLANDS)
.Case("hawaii", GK_SEA_ISLANDS)
.Default(GK_NONE);
if (GPU == GK_NONE) {
return false;
}
// Set the correct data layout
switch (GPU) {
case GK_NONE:
case GK_R600:
case GK_R700:
case GK_EVERGREEN:
case GK_NORTHERN_ISLANDS:
DescriptionString = DescriptionStringR600;
break;
case GK_R600_DOUBLE_OPS:
case GK_R700_DOUBLE_OPS:
case GK_EVERGREEN_DOUBLE_OPS:
case GK_CAYMAN:
DescriptionString = DescriptionStringR600DoubleOps;
break;
case GK_SOUTHERN_ISLANDS:
case GK_SEA_ISLANDS:
DescriptionString = DescriptionStringSI;
break;
}
return true;
}
};
} // end anonymous namespace
namespace {
// Namespace for x86 abstract base class
const Builtin::Info BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
ALL_LANGUAGES },
#include "clang/Basic/BuiltinsX86.def"
};
static const char* const GCCRegNames[] = {
"ax", "dx", "cx", "bx", "si", "di", "bp", "sp",
"st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)",
"argp", "flags", "fpcr", "fpsr", "dirflag", "frame",
"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15",
"ymm0", "ymm1", "ymm2", "ymm3", "ymm4", "ymm5", "ymm6", "ymm7",
"ymm8", "ymm9", "ymm10", "ymm11", "ymm12", "ymm13", "ymm14", "ymm15",
};
const TargetInfo::AddlRegName AddlRegNames[] = {
{ { "al", "ah", "eax", "rax" }, 0 },
{ { "bl", "bh", "ebx", "rbx" }, 3 },
{ { "cl", "ch", "ecx", "rcx" }, 2 },
{ { "dl", "dh", "edx", "rdx" }, 1 },
{ { "esi", "rsi" }, 4 },
{ { "edi", "rdi" }, 5 },
{ { "esp", "rsp" }, 7 },
{ { "ebp", "rbp" }, 6 },
};
// X86 target abstract base class; x86-32 and x86-64 are very close, so
// most of the implementation can be shared.
class X86TargetInfo : public TargetInfo {
enum X86SSEEnum {
NoSSE, SSE1, SSE2, SSE3, SSSE3, SSE41, SSE42, AVX, AVX2, AVX512F
} SSELevel;
enum MMX3DNowEnum {
NoMMX3DNow, MMX, AMD3DNow, AMD3DNowAthlon
} MMX3DNowLevel;
enum XOPEnum {
NoXOP,
SSE4A,
FMA4,
XOP
} XOPLevel;
bool HasAES;
bool HasPCLMUL;
bool HasLZCNT;
bool HasRDRND;
bool HasBMI;
bool HasBMI2;
bool HasPOPCNT;
bool HasRTM;
bool HasPRFCHW;
bool HasRDSEED;
bool HasTBM;
bool HasFMA;
bool HasF16C;
bool HasAVX512CD, HasAVX512ER, HasAVX512PF;
bool HasSHA;
bool HasCX16;
/// \brief Enumeration of all of the X86 CPUs supported by Clang.
///
/// Each enumeration represents a particular CPU supported by Clang. These
/// loosely correspond to the options passed to '-march' or '-mtune' flags.
enum CPUKind {
CK_Generic,
/// \name i386
/// i386-generation processors.
//@{
CK_i386,
//@}
/// \name i486
/// i486-generation processors.
//@{
CK_i486,
CK_WinChipC6,
CK_WinChip2,
CK_C3,
//@}
/// \name i586
/// i586-generation processors, P5 microarchitecture based.
//@{
CK_i586,
CK_Pentium,
CK_PentiumMMX,
//@}
/// \name i686
/// i686-generation processors, P6 / Pentium M microarchitecture based.
//@{
CK_i686,
CK_PentiumPro,
CK_Pentium2,
CK_Pentium3,
CK_Pentium3M,
CK_PentiumM,
CK_C3_2,
/// This enumerator is a bit odd, as GCC no longer accepts -march=yonah.
/// Clang however has some logic to suport this.
// FIXME: Warn, deprecate, and potentially remove this.
CK_Yonah,
//@}
/// \name Netburst
/// Netburst microarchitecture based processors.
//@{
CK_Pentium4,
CK_Pentium4M,
CK_Prescott,
CK_Nocona,
//@}
/// \name Core
/// Core microarchitecture based processors.
//@{
CK_Core2,
/// This enumerator, like \see CK_Yonah, is a bit odd. It is another
/// codename which GCC no longer accepts as an option to -march, but Clang
/// has some logic for recognizing it.
// FIXME: Warn, deprecate, and potentially remove this.
CK_Penryn,
//@}
/// \name Atom
/// Atom processors
//@{
CK_Atom,
CK_Silvermont,
//@}
/// \name Nehalem
/// Nehalem microarchitecture based processors.
//@{
CK_Corei7,
CK_Corei7AVX,
CK_CoreAVXi,
CK_CoreAVX2,
//@}
/// \name Knights Landing
/// Knights Landing processor.
CK_KNL,
/// \name K6
/// K6 architecture processors.
//@{
CK_K6,
CK_K6_2,
CK_K6_3,
//@}
/// \name K7
/// K7 architecture processors.
//@{
CK_Athlon,
CK_AthlonThunderbird,
CK_Athlon4,
CK_AthlonXP,
CK_AthlonMP,
//@}
/// \name K8
/// K8 architecture processors.
//@{
CK_Athlon64,
CK_Athlon64SSE3,
CK_AthlonFX,
CK_K8,
CK_K8SSE3,
CK_Opteron,
CK_OpteronSSE3,
CK_AMDFAM10,
//@}
/// \name Bobcat
/// Bobcat architecture processors.
//@{
CK_BTVER1,
CK_BTVER2,
//@}
/// \name Bulldozer
/// Bulldozer architecture processors.
//@{
CK_BDVER1,
CK_BDVER2,
CK_BDVER3,
//@}
/// This specification is deprecated and will be removed in the future.
/// Users should prefer \see CK_K8.
// FIXME: Warn on this when the CPU is set to it.
CK_x86_64,
//@}
/// \name Geode
/// Geode processors.
//@{
CK_Geode
//@}
} CPU;
enum FPMathKind {
FP_Default,
FP_SSE,
FP_387
} FPMath;
public:
X86TargetInfo(const llvm::Triple &Triple)
: TargetInfo(Triple), SSELevel(NoSSE), MMX3DNowLevel(NoMMX3DNow),
XOPLevel(NoXOP), HasAES(false), HasPCLMUL(false), HasLZCNT(false),
HasRDRND(false), HasBMI(false), HasBMI2(false), HasPOPCNT(false),
HasRTM(false), HasPRFCHW(false), HasRDSEED(false), HasTBM(false),
HasFMA(false), HasF16C(false), HasAVX512CD(false), HasAVX512ER(false),
HasAVX512PF(false), HasSHA(false), HasCX16(false), CPU(CK_Generic),
FPMath(FP_Default) {
BigEndian = false;
LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
}
unsigned getFloatEvalMethod() const override {
// X87 evaluates with 80 bits "long double" precision.
return SSELevel == NoSSE ? 2 : 0;
}
void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const override {
Records = BuiltinInfo;
NumRecords = clang::X86::LastTSBuiltin-Builtin::FirstTSBuiltin;
}
void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const override {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const override {
Aliases = 0;
NumAliases = 0;
}
void getGCCAddlRegNames(const AddlRegName *&Names,
unsigned &NumNames) const override {
Names = AddlRegNames;
NumNames = llvm::array_lengthof(AddlRegNames);
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const override;
std::string convertConstraint(const char *&Constraint) const override;
const char *getClobbers() const override {
return "~{dirflag},~{fpsr},~{flags}";
}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
static void setSSELevel(llvm::StringMap<bool> &Features, X86SSEEnum Level,
bool Enabled);
static void setMMXLevel(llvm::StringMap<bool> &Features, MMX3DNowEnum Level,
bool Enabled);
static void setXOPLevel(llvm::StringMap<bool> &Features, XOPEnum Level,
bool Enabled);
void setFeatureEnabled(llvm::StringMap<bool> &Features,
StringRef Name, bool Enabled) const override {
setFeatureEnabledImpl(Features, Name, Enabled);
}
// This exists purely to cut down on the number of virtual calls in
// getDefaultFeatures which calls this repeatedly.
static void setFeatureEnabledImpl(llvm::StringMap<bool> &Features,
StringRef Name, bool Enabled);
void getDefaultFeatures(llvm::StringMap<bool> &Features) const override;
bool hasFeature(StringRef Feature) const override;
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override;
const char* getABI() const override {
if (getTriple().getArch() == llvm::Triple::x86_64 && SSELevel >= AVX)
return "avx";
else if (getTriple().getArch() == llvm::Triple::x86 &&
MMX3DNowLevel == NoMMX3DNow)
return "no-mmx";
return "";
}
bool setCPU(const std::string &Name) override {
CPU = llvm::StringSwitch<CPUKind>(Name)
.Case("i386", CK_i386)
.Case("i486", CK_i486)
.Case("winchip-c6", CK_WinChipC6)
.Case("winchip2", CK_WinChip2)
.Case("c3", CK_C3)
.Case("i586", CK_i586)
.Case("pentium", CK_Pentium)
.Case("pentium-mmx", CK_PentiumMMX)
.Case("i686", CK_i686)
.Case("pentiumpro", CK_PentiumPro)
.Case("pentium2", CK_Pentium2)
.Case("pentium3", CK_Pentium3)
.Case("pentium3m", CK_Pentium3M)
.Case("pentium-m", CK_PentiumM)
.Case("c3-2", CK_C3_2)
.Case("yonah", CK_Yonah)
.Case("pentium4", CK_Pentium4)
.Case("pentium4m", CK_Pentium4M)
.Case("prescott", CK_Prescott)
.Case("nocona", CK_Nocona)
.Case("core2", CK_Core2)
.Case("penryn", CK_Penryn)
.Case("atom", CK_Atom)
.Case("slm", CK_Silvermont)
.Case("corei7", CK_Corei7)
.Case("corei7-avx", CK_Corei7AVX)
.Case("core-avx-i", CK_CoreAVXi)
.Case("core-avx2", CK_CoreAVX2)
.Case("knl", CK_KNL)
.Case("k6", CK_K6)
.Case("k6-2", CK_K6_2)
.Case("k6-3", CK_K6_3)
.Case("athlon", CK_Athlon)
.Case("athlon-tbird", CK_AthlonThunderbird)
.Case("athlon-4", CK_Athlon4)
.Case("athlon-xp", CK_AthlonXP)
.Case("athlon-mp", CK_AthlonMP)
.Case("athlon64", CK_Athlon64)
.Case("athlon64-sse3", CK_Athlon64SSE3)
.Case("athlon-fx", CK_AthlonFX)
.Case("k8", CK_K8)
.Case("k8-sse3", CK_K8SSE3)
.Case("opteron", CK_Opteron)
.Case("opteron-sse3", CK_OpteronSSE3)
.Case("amdfam10", CK_AMDFAM10)
.Case("btver1", CK_BTVER1)
.Case("btver2", CK_BTVER2)
.Case("bdver1", CK_BDVER1)
.Case("bdver2", CK_BDVER2)
.Case("bdver3", CK_BDVER3)
.Case("x86-64", CK_x86_64)
.Case("geode", CK_Geode)
.Default(CK_Generic);
// Perform any per-CPU checks necessary to determine if this CPU is
// acceptable.
// FIXME: This results in terrible diagnostics. Clang just says the CPU is
// invalid without explaining *why*.
switch (CPU) {
case CK_Generic:
// No processor selected!
return false;
case CK_i386:
case CK_i486:
case CK_WinChipC6:
case CK_WinChip2:
case CK_C3:
case CK_i586:
case CK_Pentium:
case CK_PentiumMMX:
case CK_i686:
case CK_PentiumPro:
case CK_Pentium2:
case CK_Pentium3:
case CK_Pentium3M:
case CK_PentiumM:
case CK_Yonah:
case CK_C3_2:
case CK_Pentium4:
case CK_Pentium4M:
case CK_Prescott:
case CK_K6:
case CK_K6_2:
case CK_K6_3:
case CK_Athlon:
case CK_AthlonThunderbird:
case CK_Athlon4:
case CK_AthlonXP:
case CK_AthlonMP:
case CK_Geode:
// Only accept certain architectures when compiling in 32-bit mode.
if (getTriple().getArch() != llvm::Triple::x86)
return false;
// Fallthrough
case CK_Nocona:
case CK_Core2:
case CK_Penryn:
case CK_Atom:
case CK_Silvermont:
case CK_Corei7:
case CK_Corei7AVX:
case CK_CoreAVXi:
case CK_CoreAVX2:
case CK_KNL:
case CK_Athlon64:
case CK_Athlon64SSE3:
case CK_AthlonFX:
case CK_K8:
case CK_K8SSE3:
case CK_Opteron:
case CK_OpteronSSE3:
case CK_AMDFAM10:
case CK_BTVER1:
case CK_BTVER2:
case CK_BDVER1:
case CK_BDVER2:
case CK_BDVER3:
case CK_x86_64:
return true;
}
llvm_unreachable("Unhandled CPU kind");
}
bool setFPMath(StringRef Name) override;
CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
// We accept all non-ARM calling conventions
return (CC == CC_X86ThisCall ||
CC == CC_X86FastCall ||
CC == CC_X86StdCall ||
CC == CC_C ||
CC == CC_X86Pascal ||
CC == CC_IntelOclBicc) ? CCCR_OK : CCCR_Warning;
}
CallingConv getDefaultCallingConv(CallingConvMethodType MT) const override {
return MT == CCMT_Member ? CC_X86ThisCall : CC_C;
}
};
bool X86TargetInfo::setFPMath(StringRef Name) {
if (Name == "387") {
FPMath = FP_387;
return true;
}
if (Name == "sse") {
FPMath = FP_SSE;
return true;
}
return false;
}
void X86TargetInfo::getDefaultFeatures(llvm::StringMap<bool> &Features) const {
// FIXME: This *really* should not be here.
// X86_64 always has SSE2.
if (getTriple().getArch() == llvm::Triple::x86_64)
setFeatureEnabledImpl(Features, "sse2", true);
switch (CPU) {
case CK_Generic:
case CK_i386:
case CK_i486:
case CK_i586:
case CK_Pentium:
case CK_i686:
case CK_PentiumPro:
break;
case CK_PentiumMMX:
case CK_Pentium2:
setFeatureEnabledImpl(Features, "mmx", true);
break;
case CK_Pentium3:
case CK_Pentium3M:
setFeatureEnabledImpl(Features, "sse", true);
break;
case CK_PentiumM:
case CK_Pentium4:
case CK_Pentium4M:
case CK_x86_64:
setFeatureEnabledImpl(Features, "sse2", true);
break;
case CK_Yonah:
case CK_Prescott:
case CK_Nocona:
setFeatureEnabledImpl(Features, "sse3", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_Core2:
setFeatureEnabledImpl(Features, "ssse3", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_Penryn:
setFeatureEnabledImpl(Features, "sse4.1", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_Atom:
setFeatureEnabledImpl(Features, "ssse3", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_Silvermont:
setFeatureEnabledImpl(Features, "sse4.2", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "cx16", true);
setFeatureEnabledImpl(Features, "pclmul", true);
break;
case CK_Corei7:
setFeatureEnabledImpl(Features, "sse4.2", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_Corei7AVX:
setFeatureEnabledImpl(Features, "avx", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "cx16", true);
setFeatureEnabledImpl(Features, "pclmul", true);
break;
case CK_CoreAVXi:
setFeatureEnabledImpl(Features, "avx", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "pclmul", true);
setFeatureEnabledImpl(Features, "rdrnd", true);
setFeatureEnabledImpl(Features, "f16c", true);
break;
case CK_CoreAVX2:
setFeatureEnabledImpl(Features, "avx2", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "pclmul", true);
setFeatureEnabledImpl(Features, "lzcnt", true);
setFeatureEnabledImpl(Features, "rdrnd", true);
setFeatureEnabledImpl(Features, "f16c", true);
setFeatureEnabledImpl(Features, "bmi", true);
setFeatureEnabledImpl(Features, "bmi2", true);
setFeatureEnabledImpl(Features, "rtm", true);
setFeatureEnabledImpl(Features, "fma", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_KNL:
setFeatureEnabledImpl(Features, "avx512f", true);
setFeatureEnabledImpl(Features, "avx512cd", true);
setFeatureEnabledImpl(Features, "avx512er", true);
setFeatureEnabledImpl(Features, "avx512pf", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "pclmul", true);
setFeatureEnabledImpl(Features, "lzcnt", true);
setFeatureEnabledImpl(Features, "rdrnd", true);
setFeatureEnabledImpl(Features, "f16c", true);
setFeatureEnabledImpl(Features, "bmi", true);
setFeatureEnabledImpl(Features, "bmi2", true);
setFeatureEnabledImpl(Features, "rtm", true);
setFeatureEnabledImpl(Features, "fma", true);
break;
case CK_K6:
case CK_WinChipC6:
setFeatureEnabledImpl(Features, "mmx", true);
break;
case CK_K6_2:
case CK_K6_3:
case CK_WinChip2:
case CK_C3:
setFeatureEnabledImpl(Features, "3dnow", true);
break;
case CK_Athlon:
case CK_AthlonThunderbird:
case CK_Geode:
setFeatureEnabledImpl(Features, "3dnowa", true);
break;
case CK_Athlon4:
case CK_AthlonXP:
case CK_AthlonMP:
setFeatureEnabledImpl(Features, "sse", true);
setFeatureEnabledImpl(Features, "3dnowa", true);
break;
case CK_K8:
case CK_Opteron:
case CK_Athlon64:
case CK_AthlonFX:
setFeatureEnabledImpl(Features, "sse2", true);
setFeatureEnabledImpl(Features, "3dnowa", true);
break;
case CK_K8SSE3:
case CK_OpteronSSE3:
case CK_Athlon64SSE3:
setFeatureEnabledImpl(Features, "sse3", true);
setFeatureEnabledImpl(Features, "3dnowa", true);
break;
case CK_AMDFAM10:
setFeatureEnabledImpl(Features, "sse3", true);
setFeatureEnabledImpl(Features, "sse4a", true);
setFeatureEnabledImpl(Features, "3dnowa", true);
setFeatureEnabledImpl(Features, "lzcnt", true);
setFeatureEnabledImpl(Features, "popcnt", true);
break;
case CK_BTVER1:
setFeatureEnabledImpl(Features, "ssse3", true);
setFeatureEnabledImpl(Features, "sse4a", true);
setFeatureEnabledImpl(Features, "cx16", true);
setFeatureEnabledImpl(Features, "lzcnt", true);
setFeatureEnabledImpl(Features, "popcnt", true);
setFeatureEnabledImpl(Features, "prfchw", true);
break;
case CK_BTVER2:
setFeatureEnabledImpl(Features, "avx", true);
setFeatureEnabledImpl(Features, "sse4a", true);
setFeatureEnabledImpl(Features, "lzcnt", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "pclmul", true);
setFeatureEnabledImpl(Features, "prfchw", true);
setFeatureEnabledImpl(Features, "bmi", true);
setFeatureEnabledImpl(Features, "f16c", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_BDVER1:
setFeatureEnabledImpl(Features, "xop", true);
setFeatureEnabledImpl(Features, "lzcnt", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "pclmul", true);
setFeatureEnabledImpl(Features, "prfchw", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_BDVER2:
case CK_BDVER3:
setFeatureEnabledImpl(Features, "xop", true);
setFeatureEnabledImpl(Features, "lzcnt", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "pclmul", true);
setFeatureEnabledImpl(Features, "prfchw", true);
setFeatureEnabledImpl(Features, "bmi", true);
setFeatureEnabledImpl(Features, "fma", true);
setFeatureEnabledImpl(Features, "f16c", true);
setFeatureEnabledImpl(Features, "tbm", true);
setFeatureEnabledImpl(Features, "cx16", true);
break;
case CK_C3_2:
setFeatureEnabledImpl(Features, "sse", true);
break;
}
}
void X86TargetInfo::setSSELevel(llvm::StringMap<bool> &Features,
X86SSEEnum Level, bool Enabled) {
if (Enabled) {
switch (Level) {
case AVX512F:
Features["avx512f"] = true;
case AVX2:
Features["avx2"] = true;
case AVX:
Features["avx"] = true;
case SSE42:
Features["sse4.2"] = true;
case SSE41:
Features["sse4.1"] = true;
case SSSE3:
Features["ssse3"] = true;
case SSE3:
Features["sse3"] = true;
case SSE2:
Features["sse2"] = true;
case SSE1:
Features["sse"] = true;
case NoSSE:
break;
}
return;
}
switch (Level) {
case NoSSE:
case SSE1:
Features["sse"] = false;
case SSE2:
Features["sse2"] = Features["pclmul"] = Features["aes"] =
Features["sha"] = false;
case SSE3:
Features["sse3"] = false;
setXOPLevel(Features, NoXOP, false);
case SSSE3:
Features["ssse3"] = false;
case SSE41:
Features["sse4.1"] = false;
case SSE42:
Features["sse4.2"] = false;
case AVX:
Features["fma"] = Features["avx"] = Features["f16c"] = false;
setXOPLevel(Features, FMA4, false);
case AVX2:
Features["avx2"] = false;
case AVX512F:
Features["avx512f"] = Features["avx512cd"] = Features["avx512er"] =
Features["avx512pf"] = false;
}
}
void X86TargetInfo::setMMXLevel(llvm::StringMap<bool> &Features,
MMX3DNowEnum Level, bool Enabled) {
if (Enabled) {
switch (Level) {
case AMD3DNowAthlon:
Features["3dnowa"] = true;
case AMD3DNow:
Features["3dnow"] = true;
case MMX:
Features["mmx"] = true;
case NoMMX3DNow:
break;
}
return;
}
switch (Level) {
case NoMMX3DNow:
case MMX:
Features["mmx"] = false;
case AMD3DNow:
Features["3dnow"] = false;
case AMD3DNowAthlon:
Features["3dnowa"] = false;
}
}
void X86TargetInfo::setXOPLevel(llvm::StringMap<bool> &Features, XOPEnum Level,
bool Enabled) {
if (Enabled) {
switch (Level) {
case XOP:
Features["xop"] = true;
case FMA4:
Features["fma4"] = true;
setSSELevel(Features, AVX, true);
case SSE4A:
Features["sse4a"] = true;
setSSELevel(Features, SSE3, true);
case NoXOP:
break;
}
return;
}
switch (Level) {
case NoXOP:
case SSE4A:
Features["sse4a"] = false;
case FMA4:
Features["fma4"] = false;
case XOP:
Features["xop"] = false;
}
}
void X86TargetInfo::setFeatureEnabledImpl(llvm::StringMap<bool> &Features,
StringRef Name, bool Enabled) {
// FIXME: This *really* should not be here. We need some way of translating
// options into llvm subtarget features.
if (Name == "sse4")
Name = "sse4.2";
Features[Name] = Enabled;
if (Name == "mmx") {
setMMXLevel(Features, MMX, Enabled);
} else if (Name == "sse") {
setSSELevel(Features, SSE1, Enabled);
} else if (Name == "sse2") {
setSSELevel(Features, SSE2, Enabled);
} else if (Name == "sse3") {
setSSELevel(Features, SSE3, Enabled);
} else if (Name == "ssse3") {
setSSELevel(Features, SSSE3, Enabled);
} else if (Name == "sse4.2") {
setSSELevel(Features, SSE42, Enabled);
} else if (Name == "sse4.1") {
setSSELevel(Features, SSE41, Enabled);
} else if (Name == "3dnow") {
setMMXLevel(Features, AMD3DNow, Enabled);
} else if (Name == "3dnowa") {
setMMXLevel(Features, AMD3DNowAthlon, Enabled);
} else if (Name == "aes") {
if (Enabled)
setSSELevel(Features, SSE2, Enabled);
} else if (Name == "pclmul") {
if (Enabled)
setSSELevel(Features, SSE2, Enabled);
} else if (Name == "avx") {
setSSELevel(Features, AVX, Enabled);
} else if (Name == "avx2") {
setSSELevel(Features, AVX2, Enabled);
} else if (Name == "avx512f") {
setSSELevel(Features, AVX512F, Enabled);
} else if (Name == "avx512cd" || Name == "avx512er" || Name == "avx512pf") {
if (Enabled)
setSSELevel(Features, AVX512F, Enabled);
} else if (Name == "fma") {
if (Enabled)
setSSELevel(Features, AVX, Enabled);
} else if (Name == "fma4") {
setXOPLevel(Features, FMA4, Enabled);
} else if (Name == "xop") {
setXOPLevel(Features, XOP, Enabled);
} else if (Name == "sse4a") {
setXOPLevel(Features, SSE4A, Enabled);
} else if (Name == "f16c") {
if (Enabled)
setSSELevel(Features, AVX, Enabled);
} else if (Name == "sha") {
if (Enabled)
setSSELevel(Features, SSE2, Enabled);
}
}
/// handleTargetFeatures - Perform initialization based on the user
/// configured set of features.
bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) {
// Remember the maximum enabled sselevel.
for (unsigned i = 0, e = Features.size(); i !=e; ++i) {
// Ignore disabled features.
if (Features[i][0] == '-')
continue;
StringRef Feature = StringRef(Features[i]).substr(1);
if (Feature == "aes") {
HasAES = true;
continue;
}
if (Feature == "pclmul") {
HasPCLMUL = true;
continue;
}
if (Feature == "lzcnt") {
HasLZCNT = true;
continue;
}
if (Feature == "rdrnd") {
HasRDRND = true;
continue;
}
if (Feature == "bmi") {
HasBMI = true;
continue;
}
if (Feature == "bmi2") {
HasBMI2 = true;
continue;
}
if (Feature == "popcnt") {
HasPOPCNT = true;
continue;
}
if (Feature == "rtm") {
HasRTM = true;
continue;
}
if (Feature == "prfchw") {
HasPRFCHW = true;
continue;
}
if (Feature == "rdseed") {
HasRDSEED = true;
continue;
}
if (Feature == "tbm") {
HasTBM = true;
continue;
}
if (Feature == "fma") {
HasFMA = true;
continue;
}
if (Feature == "f16c") {
HasF16C = true;
continue;
}
if (Feature == "avx512cd") {
HasAVX512CD = true;
continue;
}
if (Feature == "avx512er") {
HasAVX512ER = true;
continue;
}
if (Feature == "avx512pf") {
HasAVX512PF = true;
continue;
}
if (Feature == "sha") {
HasSHA = true;
continue;
}
if (Feature == "cx16") {
HasCX16 = true;
continue;
}
assert(Features[i][0] == '+' && "Invalid target feature!");
X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature)
.Case("avx512f", AVX512F)
.Case("avx2", AVX2)
.Case("avx", AVX)
.Case("sse4.2", SSE42)
.Case("sse4.1", SSE41)
.Case("ssse3", SSSE3)
.Case("sse3", SSE3)
.Case("sse2", SSE2)
.Case("sse", SSE1)
.Default(NoSSE);
SSELevel = std::max(SSELevel, Level);
MMX3DNowEnum ThreeDNowLevel =
llvm::StringSwitch<MMX3DNowEnum>(Feature)
.Case("3dnowa", AMD3DNowAthlon)
.Case("3dnow", AMD3DNow)
.Case("mmx", MMX)
.Default(NoMMX3DNow);
MMX3DNowLevel = std::max(MMX3DNowLevel, ThreeDNowLevel);
XOPEnum XLevel = llvm::StringSwitch<XOPEnum>(Feature)
.Case("xop", XOP)
.Case("fma4", FMA4)
.Case("sse4a", SSE4A)
.Default(NoXOP);
XOPLevel = std::max(XOPLevel, XLevel);
}
// Enable popcnt if sse4.2 is enabled and popcnt is not explicitly disabled.
// Can't do this earlier because we need to be able to explicitly enable
// popcnt and still disable sse4.2.
if (!HasPOPCNT && SSELevel >= SSE42 &&
std::find(Features.begin(), Features.end(), "-popcnt") == Features.end()){
HasPOPCNT = true;
Features.push_back("+popcnt");
}
// Enable prfchw if 3DNow! is enabled and prfchw is not explicitly disabled.
if (!HasPRFCHW && MMX3DNowLevel >= AMD3DNow &&
std::find(Features.begin(), Features.end(), "-prfchw") == Features.end()){
HasPRFCHW = true;
Features.push_back("+prfchw");
}
// LLVM doesn't have a separate switch for fpmath, so only accept it if it
// matches the selected sse level.
if (FPMath == FP_SSE && SSELevel < SSE1) {
Diags.Report(diag::err_target_unsupported_fpmath) << "sse";
return false;
} else if (FPMath == FP_387 && SSELevel >= SSE1) {
Diags.Report(diag::err_target_unsupported_fpmath) << "387";
return false;
}
// Don't tell the backend if we're turning off mmx; it will end up disabling
// SSE, which we don't want.
// Additionally, if SSE is enabled and mmx is not explicitly disabled,
// then enable MMX.
std::vector<std::string>::iterator it;
it = std::find(Features.begin(), Features.end(), "-mmx");
if (it != Features.end())
Features.erase(it);
else if (SSELevel > NoSSE)
MMX3DNowLevel = std::max(MMX3DNowLevel, MMX);
return true;
}
/// X86TargetInfo::getTargetDefines - Return the set of the X86-specific macro
/// definitions for this particular subtarget.
void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
// Target identification.
if (getTriple().getArch() == llvm::Triple::x86_64) {
Builder.defineMacro("__amd64__");
Builder.defineMacro("__amd64");
Builder.defineMacro("__x86_64");
Builder.defineMacro("__x86_64__");
} else {
DefineStd(Builder, "i386", Opts);
}
// Subtarget options.
// FIXME: We are hard-coding the tune parameters based on the CPU, but they
// truly should be based on -mtune options.
switch (CPU) {
case CK_Generic:
break;
case CK_i386:
// The rest are coming from the i386 define above.
Builder.defineMacro("__tune_i386__");
break;
case CK_i486:
case CK_WinChipC6:
case CK_WinChip2:
case CK_C3:
defineCPUMacros(Builder, "i486");
break;
case CK_PentiumMMX:
Builder.defineMacro("__pentium_mmx__");
Builder.defineMacro("__tune_pentium_mmx__");
// Fallthrough
case CK_i586:
case CK_Pentium:
defineCPUMacros(Builder, "i586");
defineCPUMacros(Builder, "pentium");
break;
case CK_Pentium3:
case CK_Pentium3M:
case CK_PentiumM:
Builder.defineMacro("__tune_pentium3__");
// Fallthrough
case CK_Pentium2:
case CK_C3_2:
Builder.defineMacro("__tune_pentium2__");
// Fallthrough
case CK_PentiumPro:
Builder.defineMacro("__tune_i686__");
Builder.defineMacro("__tune_pentiumpro__");
// Fallthrough
case CK_i686:
Builder.defineMacro("__i686");
Builder.defineMacro("__i686__");
// Strangely, __tune_i686__ isn't defined by GCC when CPU == i686.
Builder.defineMacro("__pentiumpro");
Builder.defineMacro("__pentiumpro__");
break;
case CK_Pentium4:
case CK_Pentium4M:
defineCPUMacros(Builder, "pentium4");
break;
case CK_Yonah:
case CK_Prescott:
case CK_Nocona:
defineCPUMacros(Builder, "nocona");
break;
case CK_Core2:
case CK_Penryn:
defineCPUMacros(Builder, "core2");
break;
case CK_Atom:
defineCPUMacros(Builder, "atom");
break;
case CK_Silvermont:
defineCPUMacros(Builder, "slm");
break;
case CK_Corei7:
case CK_Corei7AVX:
case CK_CoreAVXi:
case CK_CoreAVX2:
defineCPUMacros(Builder, "corei7");
break;
case CK_KNL:
defineCPUMacros(Builder, "knl");
break;
case CK_K6_2:
Builder.defineMacro("__k6_2__");
Builder.defineMacro("__tune_k6_2__");
// Fallthrough
case CK_K6_3:
if (CPU != CK_K6_2) { // In case of fallthrough
// FIXME: GCC may be enabling these in cases where some other k6
// architecture is specified but -m3dnow is explicitly provided. The
// exact semantics need to be determined and emulated here.
Builder.defineMacro("__k6_3__");
Builder.defineMacro("__tune_k6_3__");
}
// Fallthrough
case CK_K6:
defineCPUMacros(Builder, "k6");
break;
case CK_Athlon:
case CK_AthlonThunderbird:
case CK_Athlon4:
case CK_AthlonXP:
case CK_AthlonMP:
defineCPUMacros(Builder, "athlon");
if (SSELevel != NoSSE) {
Builder.defineMacro("__athlon_sse__");
Builder.defineMacro("__tune_athlon_sse__");
}
break;
case CK_K8:
case CK_K8SSE3:
case CK_x86_64:
case CK_Opteron:
case CK_OpteronSSE3:
case CK_Athlon64:
case CK_Athlon64SSE3:
case CK_AthlonFX:
defineCPUMacros(Builder, "k8");
break;
case CK_AMDFAM10:
defineCPUMacros(Builder, "amdfam10");
break;
case CK_BTVER1:
defineCPUMacros(Builder, "btver1");
break;
case CK_BTVER2:
defineCPUMacros(Builder, "btver2");
break;
case CK_BDVER1:
defineCPUMacros(Builder, "bdver1");
break;
case CK_BDVER2:
defineCPUMacros(Builder, "bdver2");
break;
case CK_BDVER3:
defineCPUMacros(Builder, "bdver3");
break;
case CK_Geode:
defineCPUMacros(Builder, "geode");
break;
}
// Target properties.
Builder.defineMacro("__REGISTER_PREFIX__", "");
// Define __NO_MATH_INLINES on linux/x86 so that we don't get inline
// functions in glibc header files that use FP Stack inline asm which the