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Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 4208 |
1 files changed, 4208 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp new file mode 100644 index 0000000..dd2a89a --- /dev/null +++ b/clang/lib/Basic/Targets.cpp @@ -0,0 +1,4208 @@ +//===--- 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/OwningPtr.h" +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/ADT/StringSwitch.h" +#include "llvm/ADT/Triple.h" +#include "llvm/MC/MCSectionMachO.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Type.h" +#include <algorithm> +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 std::string& triple) : TgtInfo(triple) {} + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + 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__", "5621"); + Builder.defineMacro("__APPLE__"); + Builder.defineMacro("__MACH__"); + Builder.defineMacro("OBJC_NEW_PROPERTIES"); + + 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.getOS() == llvm::Triple::IOS) { + 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 { + // 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(Triple.getEnvironmentName().empty() && "Invalid environment!"); + 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); + } + + PlatformMinVersion = VersionTuple(Maj, Min, Rev); +} + +namespace { +template<typename Target> +class DarwinTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + getDarwinDefines(Builder, Opts, Triple, this->PlatformName, + this->PlatformMinVersion); + } + +public: + DarwinTargetInfo(const std::string& triple) : + OSTargetInfo<Target>(triple) { + llvm::Triple T = llvm::Triple(triple); + this->TLSSupported = T.isMacOSX() && !T.isMacOSXVersionLT(10,7); + this->MCountName = "\01mcount"; + } + + virtual std::string isValidSectionSpecifier(StringRef SR) const { + // Let MCSectionMachO validate this. + StringRef Segment, Section; + unsigned TAA, StubSize; + bool HasTAA; + return llvm::MCSectionMachO::ParseSectionSpecifier(SR, Segment, Section, + TAA, HasTAA, StubSize); + } + + virtual const char *getStaticInitSectionSpecifier() const { + // 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. + virtual bool hasProtectedVisibility() const { + return false; + } +}; + + +// DragonFlyBSD Target +template<typename Target> +class DragonFlyBSDTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // 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 std::string &triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + + llvm::Triple Triple(triple); + 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: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // 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__"); + } +public: + FreeBSDTargetInfo(const std::string &triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + + llvm::Triple Triple(triple); + 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: + this->MCountName = "_mcount"; + break; + case llvm::Triple::arm: + this->MCountName = "__mcount"; + break; + } + + } +}; + +// Minix Target +template<typename Target> +class MinixTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // 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 std::string &triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + } +}; + +// Linux target +template<typename Target> +class LinuxTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // Linux defines; list based off of gcc output + DefineStd(Builder, "unix", Opts); + DefineStd(Builder, "linux", Opts); + Builder.defineMacro("__gnu_linux__"); + Builder.defineMacro("__ELF__"); + if (Opts.POSIXThreads) + Builder.defineMacro("_REENTRANT"); + if (Opts.CPlusPlus) + Builder.defineMacro("_GNU_SOURCE"); + } +public: + LinuxTargetInfo(const std::string& triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + this->WIntType = TargetInfo::UnsignedInt; + } + + virtual const char *getStaticInitSectionSpecifier() const { + return ".text.startup"; + } +}; + +// NetBSD Target +template<typename Target> +class NetBSDTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // 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 std::string &triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + } +}; + +// OpenBSD Target +template<typename Target> +class OpenBSDTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // 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 std::string &triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + + llvm::Triple Triple(triple); + 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; + } + } +}; + +// PSP Target +template<typename Target> +class PSPTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // 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 std::string& triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + } +}; + +// PS3 PPU Target +template<typename Target> +class PS3PPUTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // 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 std::string& 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-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32"; + } +}; + +// FIXME: Need a real SPU target. +// PS3 SPU Target +template<typename Target> +class PS3SPUTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // PS3 PPU defines. + Builder.defineMacro("__SPU__"); + Builder.defineMacro("__ELF__"); + } +public: + PS3SPUTargetInfo(const std::string& triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + } +}; + +// AuroraUX target +template<typename Target> +class AuroraUXTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + DefineStd(Builder, "sun", Opts); + DefineStd(Builder, "unix", Opts); + Builder.defineMacro("__ELF__"); + Builder.defineMacro("__svr4__"); + Builder.defineMacro("__SVR4"); + } +public: + AuroraUXTargetInfo(const std::string& 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: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + 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 std::string& 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: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + 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.CPlusPlus0x) { + 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 std::string &triple) + : OSTargetInfo<Target>(triple) {} +}; + +} // 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[]; +public: + PPCTargetInfo(const std::string& triple) : TargetInfo(triple) { + LongDoubleWidth = LongDoubleAlign = 128; + LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble; + } + + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + Records = BuiltinInfo; + NumRecords = clang::PPC::LastTSBuiltin-Builtin::FirstTSBuiltin; + } + + virtual bool isCLZForZeroUndef() const { return false; } + + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const; + + virtual bool hasFeature(StringRef Feature) const; + + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const; + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &Info) const { + 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 + 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; + } + virtual const char *getClobbers() const { + return ""; + } +}; + +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" +}; + + +/// 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("_ARCH_PPC"); + Builder.defineMacro("__powerpc__"); + Builder.defineMacro("__POWERPC__"); + if (PointerWidth == 64) { + Builder.defineMacro("_ARCH_PPC64"); + Builder.defineMacro("_LP64"); + Builder.defineMacro("__LP64__"); + Builder.defineMacro("__powerpc64__"); + Builder.defineMacro("__ppc64__"); + } else { + Builder.defineMacro("__ppc__"); + } + + // Target properties. + if (getTriple().getOS() != llvm::Triple::NetBSD) + Builder.defineMacro("_BIG_ENDIAN"); + Builder.defineMacro("__BIG_ENDIAN__"); + + // Subtarget options. + Builder.defineMacro("__NATURAL_ALIGNMENT__"); + Builder.defineMacro("__REGISTER_PREFIX__", ""); + + // FIXME: Should be controlled by command line option. + Builder.defineMacro("__LONG_DOUBLE_128__"); + + if (Opts.AltiVec) { + Builder.defineMacro("__VEC__", "10206"); + Builder.defineMacro("__ALTIVEC__"); + } +} + +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 std::string &triple) : PPCTargetInfo(triple) { + DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v128:128:128-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; + } + } + + virtual const char *getVAListDeclaration() const { + // This is the ELF definition, and is overridden by the Darwin sub-target + return "typedef struct __va_list_tag {" + " unsigned char gpr;" + " unsigned char fpr;" + " unsigned short reserved;" + " void* overflow_arg_area;" + " void* reg_save_area;" + "} __builtin_va_list[1];"; + } +}; +} // end anonymous namespace. + +namespace { +class PPC64TargetInfo : public PPCTargetInfo { +public: + PPC64TargetInfo(const std::string& triple) : PPCTargetInfo(triple) { + LongWidth = LongAlign = PointerWidth = PointerAlign = 64; + IntMaxType = SignedLong; + UIntMaxType = UnsignedLong; + Int64Type = SignedLong; + DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"; + + if (getTriple().getOS() == llvm::Triple::FreeBSD) { + LongDoubleWidth = LongDoubleAlign = 64; + LongDoubleFormat = &llvm::APFloat::IEEEdouble; + } + } + virtual const char *getVAListDeclaration() const { + return "typedef char* __builtin_va_list;"; + } +}; +} // end anonymous namespace. + + +namespace { +class DarwinPPC32TargetInfo : + public DarwinTargetInfo<PPC32TargetInfo> { +public: + DarwinPPC32TargetInfo(const std::string& triple) + : DarwinTargetInfo<PPC32TargetInfo>(triple) { + HasAlignMac68kSupport = true; + BoolWidth = BoolAlign = 32; //XXX support -mone-byte-bool? + LongLongAlign = 32; + SuitableAlign = 128; + DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:32:64-f32:32:32-f64:64:64-v128:128:128-n32"; + } + virtual const char *getVAListDeclaration() const { + return "typedef char* __builtin_va_list;"; + } +}; + +class DarwinPPC64TargetInfo : + public DarwinTargetInfo<PPC64TargetInfo> { +public: + DarwinPPC64TargetInfo(const std::string& triple) + : DarwinTargetInfo<PPC64TargetInfo>(triple) { + HasAlignMac68kSupport = true; + SuitableAlign = 128; + } +}; +} // end anonymous namespace. + +namespace { + static const unsigned PTXAddrSpaceMap[] = { + 0, // opencl_global + 4, // opencl_local + 1 // opencl_constant + }; + class PTXTargetInfo : public TargetInfo { + static const char * const GCCRegNames[]; + static const Builtin::Info BuiltinInfo[]; + std::vector<llvm::StringRef> AvailableFeatures; + public: + PTXTargetInfo(const std::string& triple) : TargetInfo(triple) { + BigEndian = false; + TLSSupported = false; + LongWidth = LongAlign = 64; + AddrSpaceMap = &PTXAddrSpaceMap; + // Define available target features + // These must be defined in sorted order! + AvailableFeatures.push_back("compute10"); + AvailableFeatures.push_back("compute11"); + AvailableFeatures.push_back("compute12"); + AvailableFeatures.push_back("compute13"); + AvailableFeatures.push_back("compute20"); + AvailableFeatures.push_back("double"); + AvailableFeatures.push_back("no-fma"); + AvailableFeatures.push_back("ptx20"); + AvailableFeatures.push_back("ptx21"); + AvailableFeatures.push_back("ptx22"); + AvailableFeatures.push_back("ptx23"); + AvailableFeatures.push_back("sm10"); + AvailableFeatures.push_back("sm11"); + AvailableFeatures.push_back("sm12"); + AvailableFeatures.push_back("sm13"); + AvailableFeatures.push_back("sm20"); + AvailableFeatures.push_back("sm21"); + AvailableFeatures.push_back("sm22"); + AvailableFeatures.push_back("sm23"); + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + Builder.defineMacro("__PTX__"); + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + Records = BuiltinInfo; + NumRecords = clang::PTX::LastTSBuiltin-Builtin::FirstTSBuiltin; + } + virtual bool hasFeature(StringRef Feature) const { + return Feature == "ptx"; + } + + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + // No aliases. + Aliases = 0; + NumAliases = 0; + } + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &info) const { + // FIXME: implement + return true; + } + virtual const char *getClobbers() const { + // FIXME: Is this really right? + return ""; + } + virtual const char *getVAListDeclaration() const { + // FIXME: implement + return "typedef char* __builtin_va_list;"; + } + + virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const; + }; + + const Builtin::Info PTXTargetInfo::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/BuiltinsPTX.def" + }; + + const char * const PTXTargetInfo::GCCRegNames[] = { + "r0" + }; + + void PTXTargetInfo::getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); + } + + bool PTXTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const { + if(std::binary_search(AvailableFeatures.begin(), AvailableFeatures.end(), + Name)) { + Features[Name] = Enabled; + return true; + } else { + return false; + } + } + + class PTX32TargetInfo : public PTXTargetInfo { + public: + PTX32TargetInfo(const std::string& triple) : PTXTargetInfo(triple) { + PointerWidth = PointerAlign = 32; + SizeType = PtrDiffType = IntPtrType = TargetInfo::UnsignedInt; + DescriptionString + = "e-p:32:32-i64:64:64-f64:64:64-n1:8:16:32:64"; + } + }; + + class PTX64TargetInfo : public PTXTargetInfo { + public: + PTX64TargetInfo(const std::string& triple) : PTXTargetInfo(triple) { + PointerWidth = PointerAlign = 64; + SizeType = PtrDiffType = IntPtrType = TargetInfo::UnsignedLongLong; + DescriptionString + = "e-p:64:64-i64:64:64-f64:64:64-n1:8:16:32:64"; + } + }; +} + +namespace { +// MBlaze abstract base class +class MBlazeTargetInfo : public TargetInfo { + static const char * const GCCRegNames[]; + static const TargetInfo::GCCRegAlias GCCRegAliases[]; + +public: + MBlazeTargetInfo(const std::string& triple) : TargetInfo(triple) { + DescriptionString = "E-p:32:32:32-i8:8:8-i16:16:16"; + } + + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + // FIXME: Implement. + Records = 0; + NumRecords = 0; + } + + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const; + + virtual bool hasFeature(StringRef Feature) const { + return Feature == "mblaze"; + } + + virtual const char *getVAListDeclaration() const { + return "typedef char* __builtin_va_list;"; + } + virtual const char *getTargetPrefix() const { + return "mblaze"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const; + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &Info) const { + switch (*Name) { + default: return false; + case 'O': // Zero + return true; + case 'b': // Base register + case 'f': // Floating point register + Info.setAllowsRegister(); + return true; + } + } + virtual const char *getClobbers() const { + return ""; + } +}; + +/// MBlazeTargetInfo::getTargetDefines - Return a set of the MBlaze-specific +/// #defines that are not tied to a specific subtarget. +void MBlazeTargetInfo::getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + // Target identification. + Builder.defineMacro("__microblaze__"); + Builder.defineMacro("_ARCH_MICROBLAZE"); + Builder.defineMacro("__MICROBLAZE__"); + + // Target properties. + Builder.defineMacro("_BIG_ENDIAN"); + Builder.defineMacro("__BIG_ENDIAN__"); + + // Subtarget options. + Builder.defineMacro("__REGISTER_PREFIX__", ""); +} + + +const char * const MBlazeTargetInfo::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", + "hi", "lo", "accum","rmsr", "$fcc1","$fcc2","$fcc3","$fcc4", + "$fcc5","$fcc6","$fcc7","$ap", "$rap", "$frp" +}; + +void MBlazeTargetInfo::getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); +} + +const TargetInfo::GCCRegAlias MBlazeTargetInfo::GCCRegAliases[] = { + { {"f0"}, "r0" }, + { {"f1"}, "r1" }, + { {"f2"}, "r2" }, + { {"f3"}, "r3" }, + { {"f4"}, "r4" }, + { {"f5"}, "r5" }, + { {"f6"}, "r6" }, + { {"f7"}, "r7" }, + { {"f8"}, "r8" }, + { {"f9"}, "r9" }, + { {"f10"}, "r10" }, + { {"f11"}, "r11" }, + { {"f12"}, "r12" }, + { {"f13"}, "r13" }, + { {"f14"}, "r14" }, + { {"f15"}, "r15" }, + { {"f16"}, "r16" }, + { {"f17"}, "r17" }, + { {"f18"}, "r18" }, + { {"f19"}, "r19" }, + { {"f20"}, "r20" }, + { {"f21"}, "r21" }, + { {"f22"}, "r22" }, + { {"f23"}, "r23" }, + { {"f24"}, "r24" }, + { {"f25"}, "r25" }, + { {"f26"}, "r26" }, + { {"f27"}, "r27" }, + { {"f28"}, "r28" }, + { {"f29"}, "r29" }, + { {"f30"}, "r30" }, + { {"f31"}, "r31" }, +}; + +void MBlazeTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); +} +} // 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 + } SSELevel; + enum MMX3DNowEnum { + NoMMX3DNow, MMX, AMD3DNow, AMD3DNowAthlon + } MMX3DNowLevel; + + bool HasAES; + bool HasLZCNT; + bool HasBMI; + bool HasBMI2; + bool HasPOPCNT; + bool HasFMA4; + + /// \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, + //@} + + /// \name Nehalem + /// Nehalem microarchitecture based processors. + //@{ + CK_Corei7, + CK_Corei7AVX, + CK_CoreAVXi, + CK_CoreAVX2, + //@} + + /// \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, + //@} + + /// \name Bulldozer + /// Bulldozer architecture processors. + //@{ + CK_BDVER1, + CK_BDVER2, + //@} + + /// 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; + +public: + X86TargetInfo(const std::string& triple) + : TargetInfo(triple), SSELevel(NoSSE), MMX3DNowLevel(NoMMX3DNow), + HasAES(false), HasLZCNT(false), HasBMI(false), HasBMI2(false), + HasPOPCNT(false), HasFMA4(false), CPU(CK_Generic) { + BigEndian = false; + LongDoubleFormat = &llvm::APFloat::x87DoubleExtended; + } + virtual unsigned getFloatEvalMethod() const { + // X87 evaluates with 80 bits "long double" precision. + return SSELevel == NoSSE ? 2 : 0; + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + Records = BuiltinInfo; + NumRecords = clang::X86::LastTSBuiltin-Builtin::FirstTSBuiltin; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + Aliases = 0; + NumAliases = 0; + } + virtual void getGCCAddlRegNames(const AddlRegName *&Names, + unsigned &NumNames) const { + Names = AddlRegNames; + NumNames = llvm::array_lengthof(AddlRegNames); + } + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &info) const; + virtual std::string convertConstraint(const char *&Constraint) const; + virtual const char *getClobbers() const { + return "~{dirflag},~{fpsr},~{flags}"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const; + virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const; + virtual void getDefaultFeatures(llvm::StringMap<bool> &Features) const; + virtual bool hasFeature(StringRef Feature) const; + virtual void HandleTargetFeatures(std::vector<std::string> &Features); + virtual const char* getABI() const { + if (PointerWidth == 64 && SSELevel >= AVX) + return "avx"; + else if (PointerWidth == 32 && MMX3DNowLevel == NoMMX3DNow) + return "no-mmx"; + return ""; + } + virtual bool setCPU(const std::string &Name) { + 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("corei7", CK_Corei7) + .Case("corei7-avx", CK_Corei7AVX) + .Case("core-avx-i", CK_CoreAVXi) + .Case("core-avx2", CK_CoreAVX2) + .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("bdver1", CK_BDVER1) + .Case("bdver2", CK_BDVER2) + .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 (PointerWidth != 32) + return false; + + // Fallthrough + case CK_Nocona: + case CK_Core2: + case CK_Penryn: + case CK_Atom: + case CK_Corei7: + case CK_Corei7AVX: + case CK_CoreAVXi: + case CK_CoreAVX2: + 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_BDVER1: + case CK_BDVER2: + case CK_x86_64: + return true; + } + llvm_unreachable("Unhandled CPU kind"); + } +}; + +void X86TargetInfo::getDefaultFeatures(llvm::StringMap<bool> &Features) const { + // FIXME: This should not be here. + Features["3dnow"] = false; + Features["3dnowa"] = false; + Features["mmx"] = false; + Features["sse"] = false; + Features["sse2"] = false; + Features["sse3"] = false; + Features["ssse3"] = false; + Features["sse41"] = false; + Features["sse42"] = false; + Features["sse4a"] = false; + Features["aes"] = false; + Features["avx"] = false; + Features["avx2"] = false; + Features["lzcnt"] = false; + Features["bmi"] = false; + Features["bmi2"] = false; + Features["popcnt"] = false; + Features["fma4"] = false; + + // FIXME: This *really* should not be here. + + // X86_64 always has SSE2. + if (PointerWidth == 64) + Features["sse2"] = Features["sse"] = Features["mmx"] = 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: + setFeatureEnabled(Features, "mmx", true); + break; + case CK_Pentium3: + case CK_Pentium3M: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse", true); + break; + case CK_PentiumM: + case CK_Pentium4: + case CK_Pentium4M: + case CK_x86_64: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse2", true); + break; + case CK_Yonah: + case CK_Prescott: + case CK_Nocona: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse3", true); + break; + case CK_Core2: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "ssse3", true); + break; + case CK_Penryn: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse4.1", true); + break; + case CK_Atom: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "ssse3", true); + break; + case CK_Corei7: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse4", true); + setFeatureEnabled(Features, "aes", true); + break; + case CK_Corei7AVX: + case CK_CoreAVXi: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse4", true); + setFeatureEnabled(Features, "aes", true); + //setFeatureEnabled(Features, "avx", true); + break; + case CK_CoreAVX2: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse4", true); + setFeatureEnabled(Features, "aes", true); + setFeatureEnabled(Features, "lzcnt", true); + setFeatureEnabled(Features, "bmi", true); + setFeatureEnabled(Features, "bmi2", true); + //setFeatureEnabled(Features, "avx2", true); + break; + case CK_K6: + case CK_WinChipC6: + setFeatureEnabled(Features, "mmx", true); + break; + case CK_K6_2: + case CK_K6_3: + case CK_WinChip2: + case CK_C3: + setFeatureEnabled(Features, "3dnow", true); + break; + case CK_Athlon: + case CK_AthlonThunderbird: + case CK_Geode: + setFeatureEnabled(Features, "3dnowa", true); + break; + case CK_Athlon4: + case CK_AthlonXP: + case CK_AthlonMP: + setFeatureEnabled(Features, "sse", true); + setFeatureEnabled(Features, "3dnowa", true); + break; + case CK_K8: + case CK_Opteron: + case CK_Athlon64: + case CK_AthlonFX: + setFeatureEnabled(Features, "sse2", true); + setFeatureEnabled(Features, "3dnowa", true); + break; + case CK_K8SSE3: + case CK_OpteronSSE3: + case CK_Athlon64SSE3: + setFeatureEnabled(Features, "sse3", true); + setFeatureEnabled(Features, "3dnowa", true); + break; + case CK_AMDFAM10: + setFeatureEnabled(Features, "sse3", true); + setFeatureEnabled(Features, "sse4a", true); + setFeatureEnabled(Features, "3dnowa", true); + break; + case CK_BTVER1: + setFeatureEnabled(Features, "ssse3", true); + setFeatureEnabled(Features, "sse4a", true); + case CK_BDVER1: + case CK_BDVER2: + setFeatureEnabled(Features, "sse4", true); + setFeatureEnabled(Features, "sse4a", true); + setFeatureEnabled(Features, "aes", true); + break; + case CK_C3_2: + setFeatureEnabled(Features, "mmx", true); + setFeatureEnabled(Features, "sse", true); + break; + } +} + +bool X86TargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const { + // FIXME: This *really* should not be here. We need some way of translating + // options into llvm subtarget features. + if (!Features.count(Name) && + (Name != "sse4" && Name != "sse4.2" && Name != "sse4.1")) + return false; + + // FIXME: this should probably use a switch with fall through. + + if (Enabled) { + if (Name == "mmx") + Features["mmx"] = true; + else if (Name == "sse") + Features["mmx"] = Features["sse"] = true; + else if (Name == "sse2") + Features["mmx"] = Features["sse"] = Features["sse2"] = true; + else if (Name == "sse3") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + true; + else if (Name == "ssse3") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = true; + else if (Name == "sse4" || Name == "sse4.2") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = + Features["popcnt"] = true; + else if (Name == "sse4.1") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = true; + else if (Name == "3dnow") + Features["mmx"] = Features["3dnow"] = true; + else if (Name == "3dnowa") + Features["mmx"] = Features["3dnow"] = Features["3dnowa"] = true; + else if (Name == "aes") + Features["aes"] = true; + else if (Name == "avx") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = + Features["popcnt"] = Features["avx"] = true; + else if (Name == "avx2") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = + Features["popcnt"] = Features["avx"] = Features["avx2"] = true; + else if (Name == "fma4") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = + Features["popcnt"] = Features["avx"] = Features["fma4"] = true; + else if (Name == "sse4a") + Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["lzcnt"] = Features["popcnt"] = Features["sse4a"] = true; + else if (Name == "lzcnt") + Features["lzcnt"] = true; + else if (Name == "bmi") + Features["bmi"] = true; + else if (Name == "bmi2") + Features["bmi2"] = true; + else if (Name == "popcnt") + Features["popcnt"] = true; + } else { + if (Name == "mmx") + Features["mmx"] = Features["3dnow"] = Features["3dnowa"] = false; + else if (Name == "sse") + Features["sse"] = Features["sse2"] = Features["sse3"] = + Features["ssse3"] = Features["sse41"] = Features["sse42"] = + Features["sse4a"] = false; + else if (Name == "sse2") + Features["sse2"] = Features["sse3"] = Features["ssse3"] = + Features["sse41"] = Features["sse42"] = Features["sse4a"] = false; + else if (Name == "sse3") + Features["sse3"] = Features["ssse3"] = Features["sse41"] = + Features["sse42"] = Features["sse4a"] = false; + else if (Name == "ssse3") + Features["ssse3"] = Features["sse41"] = Features["sse42"] = false; + else if (Name == "sse4" || Name == "sse4.1") + Features["sse41"] = Features["sse42"] = false; + else if (Name == "sse4.2") + Features["sse42"] = false; + else if (Name == "3dnow") + Features["3dnow"] = Features["3dnowa"] = false; + else if (Name == "3dnowa") + Features["3dnowa"] = false; + else if (Name == "aes") + Features["aes"] = false; + else if (Name == "avx") + Features["avx"] = Features["avx2"] = Features["fma4"] = false; + else if (Name == "avx2") + Features["avx2"] = false; + else if (Name == "sse4a") + Features["sse4a"] = false; + else if (Name == "lzcnt") + Features["lzcnt"] = false; + else if (Name == "bmi") + Features["bmi"] = false; + else if (Name == "bmi2") + Features["bmi2"] = false; + else if (Name == "popcnt") + Features["popcnt"] = false; + else if (Name == "fma4") + Features["fma4"] = false; + } + + return true; +} + +/// HandleTargetOptions - Perform initialization based on the user +/// configured set of features. +void X86TargetInfo::HandleTargetFeatures(std::vector<std::string> &Features) { + // 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 == "lzcnt") { + HasLZCNT = true; + continue; + } + + if (Feature == "bmi") { + HasBMI = true; + continue; + } + + if (Feature == "bmi2") { + HasBMI2 = true; + continue; + } + + if (Feature == "popcnt") { + HasPOPCNT = true; + continue; + } + + if (Feature == "fma4") { + HasFMA4 = true; + continue; + } + + assert(Features[i][0] == '+' && "Invalid target feature!"); + X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature) + .Case("avx2", AVX2) + .Case("avx", AVX) + .Case("sse42", SSE42) + .Case("sse41", 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); + } + + // Don't tell the backend if we're turning off mmx; it will end up disabling + // SSE, which we don't want. + std::vector<std::string>::iterator it; + it = std::find(Features.begin(), Features.end(), "-mmx"); + if (it != Features.end()) + Features.erase(it); +} + +/// 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 (PointerWidth == 64) { + if (getLongWidth() == 64) { + Builder.defineMacro("_LP64"); + Builder.defineMacro("__LP64__"); + } + 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_Corei7: + case CK_Corei7AVX: + case CK_CoreAVXi: + case CK_CoreAVX2: + defineCPUMacros(Builder, "corei7"); + 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_BDVER1: + defineCPUMacros(Builder, "bdver1"); + break; + case CK_BDVER2: + defineCPUMacros(Builder, "bdver2"); + break; + case CK_Geode: + defineCPUMacros(Builder, "geode"); + break; + } + + // Target properties. + Builder.defineMacro("__LITTLE_ENDIAN__"); + 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 + // backend can't deal with (PR879). + Builder.defineMacro("__NO_MATH_INLINES"); + + if (HasAES) + Builder.defineMacro("__AES__"); + + if (HasLZCNT) + Builder.defineMacro("__LZCNT__"); + + if (HasBMI) + Builder.defineMacro("__BMI__"); + + if (HasBMI2) + Builder.defineMacro("__BMI2__"); + + if (HasPOPCNT) + Builder.defineMacro("__POPCNT__"); + + if (HasFMA4) + Builder.defineMacro("__FMA4__"); + + // Each case falls through to the previous one here. + switch (SSELevel) { + case AVX2: + Builder.defineMacro("__AVX2__"); + case AVX: + Builder.defineMacro("__AVX__"); + case SSE42: + Builder.defineMacro("__SSE4_2__"); + case SSE41: + Builder.defineMacro("__SSE4_1__"); + case SSSE3: + Builder.defineMacro("__SSSE3__"); + case SSE3: + Builder.defineMacro("__SSE3__"); + case SSE2: + Builder.defineMacro("__SSE2__"); + Builder.defineMacro("__SSE2_MATH__"); // -mfp-math=sse always implied. + case SSE1: + Builder.defineMacro("__SSE__"); + Builder.defineMacro("__SSE_MATH__"); // -mfp-math=sse always implied. + case NoSSE: + break; + } + + if (Opts.MicrosoftExt && PointerWidth == 32) { + switch (SSELevel) { + case AVX2: + case AVX: + case SSE42: + case SSE41: + case SSSE3: + case SSE3: + case SSE2: + Builder.defineMacro("_M_IX86_FP", Twine(2)); + break; + case SSE1: + Builder.defineMacro("_M_IX86_FP", Twine(1)); + break; + default: + Builder.defineMacro("_M_IX86_FP", Twine(0)); + } + } + + // Each case falls through to the previous one here. + switch (MMX3DNowLevel) { + case AMD3DNowAthlon: + Builder.defineMacro("__3dNOW_A__"); + case AMD3DNow: + Builder.defineMacro("__3dNOW__"); + case MMX: + Builder.defineMacro("__MMX__"); + case NoMMX3DNow: + break; + } +} + +bool X86TargetInfo::hasFeature(StringRef Feature) const { + return llvm::StringSwitch<bool>(Feature) + .Case("aes", HasAES) + .Case("avx", SSELevel >= AVX) + .Case("avx2", SSELevel >= AVX2) + .Case("bmi", HasBMI) + .Case("bmi2", HasBMI2) + .Case("fma4", HasFMA4) + .Case("lzcnt", HasLZCNT) + .Case("mm3dnow", MMX3DNowLevel >= AMD3DNow) + .Case("mm3dnowa", MMX3DNowLevel >= AMD3DNowAthlon) + .Case("mmx", MMX3DNowLevel >= MMX) + .Case("popcnt", HasPOPCNT) + .Case("sse", SSELevel >= SSE1) + .Case("sse2", SSELevel >= SSE2) + .Case("sse3", SSELevel >= SSE3) + .Case("ssse3", SSELevel >= SSSE3) + .Case("sse41", SSELevel >= SSE41) + .Case("sse42", SSELevel >= SSE42) + .Case("x86", true) + .Case("x86_32", PointerWidth == 32) + .Case("x86_64", PointerWidth == 64) + .Default(false); +} + +bool +X86TargetInfo::validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &Info) const { + switch (*Name) { + default: return false; + case 'Y': // first letter of a pair: + switch (*(Name+1)) { + default: return false; + case '0': // First SSE register. + case 't': // Any SSE register, when SSE2 is enabled. + case 'i': // Any SSE register, when SSE2 and inter-unit moves enabled. + case 'm': // any MMX register, when inter-unit moves enabled. + break; // falls through to setAllowsRegister. + } + case 'a': // eax. + case 'b': // ebx. + case 'c': // ecx. + case 'd': // edx. + case 'S': // esi. + case 'D': // edi. + case 'A': // edx:eax. + case 'f': // any x87 floating point stack register. + case 't': // top of floating point stack. + case 'u': // second from top of floating point stack. + case 'q': // Any register accessible as [r]l: a, b, c, and d. + case 'y': // Any MMX register. + case 'x': // Any SSE register. + case 'Q': // Any register accessible as [r]h: a, b, c, and d. + case 'R': // "Legacy" registers: ax, bx, cx, dx, di, si, sp, bp. + case 'l': // "Index" registers: any general register that can be used as an + // index in a base+index memory access. + Info.setAllowsRegister(); + return true; + case 'C': // SSE floating point constant. + case 'G': // x87 floating point constant. + case 'e': // 32-bit signed integer constant for use with zero-extending + // x86_64 instructions. + case 'Z': // 32-bit unsigned integer constant for use with zero-extending + // x86_64 instructions. + return true; + } +} + + +std::string +X86TargetInfo::convertConstraint(const char *&Constraint) const { + switch (*Constraint) { + case 'a': return std::string("{ax}"); + case 'b': return std::string("{bx}"); + case 'c': return std::string("{cx}"); + case 'd': return std::string("{dx}"); + case 'S': return std::string("{si}"); + case 'D': return std::string("{di}"); + case 'p': // address + return std::string("im"); + case 't': // top of floating point stack. + return std::string("{st}"); + case 'u': // second from top of floating point stack. + return std::string("{st(1)}"); // second from top of floating point stack. + default: + return std::string(1, *Constraint); + } +} +} // end anonymous namespace + +namespace { +// X86-32 generic target +class X86_32TargetInfo : public X86TargetInfo { +public: + X86_32TargetInfo(const std::string& triple) : X86TargetInfo(triple) { + DoubleAlign = LongLongAlign = 32; + LongDoubleWidth = 96; + LongDoubleAlign = 32; + SuitableAlign = 128; + DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-" + "a0:0:64-f80:32:32-n8:16:32-S128"; + SizeType = UnsignedInt; + PtrDiffType = SignedInt; + IntPtrType = SignedInt; + RegParmMax = 3; + + // Use fpret for all types. + RealTypeUsesObjCFPRet = ((1 << TargetInfo::Float) | + (1 << TargetInfo::Double) | + (1 << TargetInfo::LongDouble)); + + // x86-32 has atomics up to 8 bytes + // FIXME: Check that we actually have cmpxchg8b before setting + // MaxAtomicInlineWidth. (cmpxchg8b is an i586 instruction.) + MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64; + } + virtual const char *getVAListDeclaration() const { + return "typedef char* __builtin_va_list;"; + } + + int getEHDataRegisterNumber(unsigned RegNo) const { + if (RegNo == 0) return 0; + if (RegNo == 1) return 2; + return -1; + } +}; +} // end anonymous namespace + +namespace { +class NetBSDI386TargetInfo : public NetBSDTargetInfo<X86_32TargetInfo> { +public: + NetBSDI386TargetInfo(const std::string &triple) : + NetBSDTargetInfo<X86_32TargetInfo>(triple) { + } + + virtual unsigned getFloatEvalMethod() const { + // NetBSD defaults to "double" rounding + return 1; + } +}; +} // end anonymous namespace + +namespace { +class OpenBSDI386TargetInfo : public OpenBSDTargetInfo<X86_32TargetInfo> { +public: + OpenBSDI386TargetInfo(const std::string& triple) : + OpenBSDTargetInfo<X86_32TargetInfo>(triple) { + SizeType = UnsignedLong; + IntPtrType = SignedLong; + PtrDiffType = SignedLong; + } +}; +} // end anonymous namespace + +namespace { +class DarwinI386TargetInfo : public DarwinTargetInfo<X86_32TargetInfo> { +public: + DarwinI386TargetInfo(const std::string& triple) : + DarwinTargetInfo<X86_32TargetInfo>(triple) { + LongDoubleWidth = 128; + LongDoubleAlign = 128; + SuitableAlign = 128; + SizeType = UnsignedLong; + IntPtrType = SignedLong; + DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-" + "a0:0:64-f80:128:128-n8:16:32-S128"; + HasAlignMac68kSupport = true; + } + +}; +} // end anonymous namespace + +namespace { +// x86-32 Windows target +class WindowsX86_32TargetInfo : public WindowsTargetInfo<X86_32TargetInfo> { +public: + WindowsX86_32TargetInfo(const std::string& triple) + : WindowsTargetInfo<X86_32TargetInfo>(triple) { + TLSSupported = false; + WCharType = UnsignedShort; + DoubleAlign = LongLongAlign = 64; + DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-" + "v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + WindowsTargetInfo<X86_32TargetInfo>::getTargetDefines(Opts, Builder); + } +}; +} // end anonymous namespace + +namespace { + +// x86-32 Windows Visual Studio target +class VisualStudioWindowsX86_32TargetInfo : public WindowsX86_32TargetInfo { +public: + VisualStudioWindowsX86_32TargetInfo(const std::string& triple) + : WindowsX86_32TargetInfo(triple) { + LongDoubleWidth = LongDoubleAlign = 64; + LongDoubleFormat = &llvm::APFloat::IEEEdouble; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + WindowsX86_32TargetInfo::getTargetDefines(Opts, Builder); + WindowsX86_32TargetInfo::getVisualStudioDefines(Opts, Builder); + // The value of the following reflects processor type. + // 300=386, 400=486, 500=Pentium, 600=Blend (default) + // We lost the original triple, so we use the default. + Builder.defineMacro("_M_IX86", "600"); + } +}; +} // end anonymous namespace + +namespace { +// x86-32 MinGW target +class MinGWX86_32TargetInfo : public WindowsX86_32TargetInfo { +public: + MinGWX86_32TargetInfo(const std::string& triple) + : WindowsX86_32TargetInfo(triple) { + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + WindowsX86_32TargetInfo::getTargetDefines(Opts, Builder); + DefineStd(Builder, "WIN32", Opts); + DefineStd(Builder, "WINNT", Opts); + Builder.defineMacro("_X86_"); + Builder.defineMacro("__MSVCRT__"); + Builder.defineMacro("__MINGW32__"); + + // mingw32-gcc provides __declspec(a) as alias of __attribute__((a)). + // In contrast, clang-cc1 provides __declspec(a) with -fms-extensions. + if (Opts.MicrosoftExt) + // Provide "as-is" __declspec. + Builder.defineMacro("__declspec", "__declspec"); + else + // Provide alias of __attribute__ like mingw32-gcc. + Builder.defineMacro("__declspec(a)", "__attribute__((a))"); + } +}; +} // end anonymous namespace + +namespace { +// x86-32 Cygwin target +class CygwinX86_32TargetInfo : public X86_32TargetInfo { +public: + CygwinX86_32TargetInfo(const std::string& triple) + : X86_32TargetInfo(triple) { + TLSSupported = false; + WCharType = UnsignedShort; + DoubleAlign = LongLongAlign = 64; + DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-" + "a0:0:64-f80:32:32-n8:16:32-S32"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + X86_32TargetInfo::getTargetDefines(Opts, Builder); + Builder.defineMacro("__CYGWIN__"); + Builder.defineMacro("__CYGWIN32__"); + DefineStd(Builder, "unix", Opts); + if (Opts.CPlusPlus) + Builder.defineMacro("_GNU_SOURCE"); + } +}; +} // end anonymous namespace + +namespace { +// x86-32 Haiku target +class HaikuX86_32TargetInfo : public X86_32TargetInfo { +public: + HaikuX86_32TargetInfo(const std::string& triple) + : X86_32TargetInfo(triple) { + SizeType = UnsignedLong; + IntPtrType = SignedLong; + PtrDiffType = SignedLong; + this->UserLabelPrefix = ""; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + X86_32TargetInfo::getTargetDefines(Opts, Builder); + Builder.defineMacro("__INTEL__"); + Builder.defineMacro("__HAIKU__"); + } +}; +} // end anonymous namespace + +// RTEMS Target +template<typename Target> +class RTEMSTargetInfo : public OSTargetInfo<Target> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + // RTEMS defines; list based off of gcc output + + Builder.defineMacro("__rtems__"); + Builder.defineMacro("__ELF__"); + } +public: + RTEMSTargetInfo(const std::string &triple) + : OSTargetInfo<Target>(triple) { + this->UserLabelPrefix = ""; + + llvm::Triple Triple(triple); + switch (Triple.getArch()) { + default: + case llvm::Triple::x86: + // this->MCountName = ".mcount"; + break; + case llvm::Triple::mips: + case llvm::Triple::mipsel: + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + // this->MCountName = "_mcount"; + break; + case llvm::Triple::arm: + // this->MCountName = "__mcount"; + break; + } + + } +}; + +namespace { +// x86-32 RTEMS target +class RTEMSX86_32TargetInfo : public X86_32TargetInfo { +public: + RTEMSX86_32TargetInfo(const std::string& triple) + : X86_32TargetInfo(triple) { + SizeType = UnsignedLong; + IntPtrType = SignedLong; + PtrDiffType = SignedLong; + this->UserLabelPrefix = ""; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + X86_32TargetInfo::getTargetDefines(Opts, Builder); + Builder.defineMacro("__INTEL__"); + Builder.defineMacro("__rtems__"); + } +}; +} // end anonymous namespace + +namespace { +// x86-64 generic target +class X86_64TargetInfo : public X86TargetInfo { +public: + X86_64TargetInfo(const std::string &triple) : X86TargetInfo(triple) { + LongWidth = LongAlign = PointerWidth = PointerAlign = 64; + LongDoubleWidth = 128; + LongDoubleAlign = 128; + LargeArrayMinWidth = 128; + LargeArrayAlign = 128; + SuitableAlign = 128; + IntMaxType = SignedLong; + UIntMaxType = UnsignedLong; + Int64Type = SignedLong; + RegParmMax = 6; + + DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-" + "a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"; + + // Use fpret only for long double. + RealTypeUsesObjCFPRet = (1 << TargetInfo::LongDouble); + + // Use fp2ret for _Complex long double. + ComplexLongDoubleUsesFP2Ret = true; + + // x86-64 has atomics up to 16 bytes. + // FIXME: Once the backend is fixed, increase MaxAtomicInlineWidth to 128 + // on CPUs with cmpxchg16b + MaxAtomicPromoteWidth = 128; + MaxAtomicInlineWidth = 64; + } + virtual const char *getVAListDeclaration() const { + return "typedef struct __va_list_tag {" + " unsigned gp_offset;" + " unsigned fp_offset;" + " void* overflow_arg_area;" + " void* reg_save_area;" + "} __va_list_tag;" + "typedef __va_list_tag __builtin_va_list[1];"; + } + + int getEHDataRegisterNumber(unsigned RegNo) const { + if (RegNo == 0) return 0; + if (RegNo == 1) return 1; + return -1; + } +}; +} // end anonymous namespace + +namespace { +// x86-64 Windows target +class WindowsX86_64TargetInfo : public WindowsTargetInfo<X86_64TargetInfo> { +public: + WindowsX86_64TargetInfo(const std::string& triple) + : WindowsTargetInfo<X86_64TargetInfo>(triple) { + TLSSupported = false; + WCharType = UnsignedShort; + LongWidth = LongAlign = 32; + DoubleAlign = LongLongAlign = 64; + IntMaxType = SignedLongLong; + UIntMaxType = UnsignedLongLong; + Int64Type = SignedLongLong; + SizeType = UnsignedLongLong; + PtrDiffType = SignedLongLong; + IntPtrType = SignedLongLong; + this->UserLabelPrefix = ""; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + WindowsTargetInfo<X86_64TargetInfo>::getTargetDefines(Opts, Builder); + Builder.defineMacro("_WIN64"); + } + virtual const char *getVAListDeclaration() const { + return "typedef char* __builtin_va_list;"; + } +}; +} // end anonymous namespace + +namespace { +// x86-64 Windows Visual Studio target +class VisualStudioWindowsX86_64TargetInfo : public WindowsX86_64TargetInfo { +public: + VisualStudioWindowsX86_64TargetInfo(const std::string& triple) + : WindowsX86_64TargetInfo(triple) { + LongDoubleWidth = LongDoubleAlign = 64; + LongDoubleFormat = &llvm::APFloat::IEEEdouble; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + WindowsX86_64TargetInfo::getTargetDefines(Opts, Builder); + WindowsX86_64TargetInfo::getVisualStudioDefines(Opts, Builder); + Builder.defineMacro("_M_X64"); + Builder.defineMacro("_M_AMD64"); + } +}; +} // end anonymous namespace + +namespace { +// x86-64 MinGW target +class MinGWX86_64TargetInfo : public WindowsX86_64TargetInfo { +public: + MinGWX86_64TargetInfo(const std::string& triple) + : WindowsX86_64TargetInfo(triple) { + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + WindowsX86_64TargetInfo::getTargetDefines(Opts, Builder); + DefineStd(Builder, "WIN64", Opts); + Builder.defineMacro("__MSVCRT__"); + Builder.defineMacro("__MINGW32__"); + Builder.defineMacro("__MINGW64__"); + + // mingw32-gcc provides __declspec(a) as alias of __attribute__((a)). + // In contrast, clang-cc1 provides __declspec(a) with -fms-extensions. + if (Opts.MicrosoftExt) + // Provide "as-is" __declspec. + Builder.defineMacro("__declspec", "__declspec"); + else + // Provide alias of __attribute__ like mingw32-gcc. + Builder.defineMacro("__declspec(a)", "__attribute__((a))"); + } +}; +} // end anonymous namespace + +namespace { +class DarwinX86_64TargetInfo : public DarwinTargetInfo<X86_64TargetInfo> { +public: + DarwinX86_64TargetInfo(const std::string& triple) + : DarwinTargetInfo<X86_64TargetInfo>(triple) { + Int64Type = SignedLongLong; + } +}; +} // end anonymous namespace + +namespace { +class OpenBSDX86_64TargetInfo : public OpenBSDTargetInfo<X86_64TargetInfo> { +public: + OpenBSDX86_64TargetInfo(const std::string& triple) + : OpenBSDTargetInfo<X86_64TargetInfo>(triple) { + IntMaxType = SignedLongLong; + UIntMaxType = UnsignedLongLong; + Int64Type = SignedLongLong; + } +}; +} // end anonymous namespace + +namespace { +class ARMTargetInfo : public TargetInfo { + // Possible FPU choices. + enum FPUMode { + NoFPU, + VFP2FPU, + VFP3FPU, + NeonFPU + }; + + static bool FPUModeIsVFP(FPUMode Mode) { + return Mode >= VFP2FPU && Mode <= NeonFPU; + } + + static const TargetInfo::GCCRegAlias GCCRegAliases[]; + static const char * const GCCRegNames[]; + + std::string ABI, CPU; + + unsigned FPU : 3; + + unsigned IsThumb : 1; + + // Initialized via features. + unsigned SoftFloat : 1; + unsigned SoftFloatABI : 1; + + static const Builtin::Info BuiltinInfo[]; + +public: + ARMTargetInfo(const std::string &TripleStr) + : TargetInfo(TripleStr), ABI("aapcs-linux"), CPU("arm1136j-s") + { + BigEndian = false; + SizeType = UnsignedInt; + PtrDiffType = SignedInt; + // AAPCS 7.1.1, ARM-Linux ABI 2.4: type of wchar_t is unsigned int. + WCharType = UnsignedInt; + + // {} in inline assembly are neon specifiers, not assembly variant + // specifiers. + NoAsmVariants = true; + + // FIXME: Should we just treat this as a feature? + IsThumb = getTriple().getArchName().startswith("thumb"); + if (IsThumb) { + // Thumb1 add sp, #imm requires the immediate value be multiple of 4, + // so set preferred for small types to 32. + DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-" + "v64:64:64-v128:64:128-a0:0:32-n32-S64"); + } else { + DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-" + "v64:64:64-v128:64:128-a0:0:64-n32-S64"); + } + + // ARM targets default to using the ARM C++ ABI. + CXXABI = CXXABI_ARM; + + // ARM has atomics up to 8 bytes + // FIXME: Set MaxAtomicInlineWidth if we have the feature v6e + MaxAtomicPromoteWidth = 64; + + // Do force alignment of members that follow zero length bitfields. If + // the alignment of the zero-length bitfield is greater than the member + // that follows it, `bar', `bar' will be aligned as the type of the + // zero length bitfield. + UseZeroLengthBitfieldAlignment = true; + } + virtual const char *getABI() const { return ABI.c_str(); } + virtual bool setABI(const std::string &Name) { + ABI = Name; + + // The defaults (above) are for AAPCS, check if we need to change them. + // + // FIXME: We need support for -meabi... we could just mangle it into the + // name. + if (Name == "apcs-gnu") { + DoubleAlign = LongLongAlign = LongDoubleAlign = SuitableAlign = 32; + SizeType = UnsignedLong; + + // Revert to using SignedInt on apcs-gnu to comply with existing behaviour. + WCharType = SignedInt; + + // Do not respect the alignment of bit-field types when laying out + // structures. This corresponds to PCC_BITFIELD_TYPE_MATTERS in gcc. + UseBitFieldTypeAlignment = false; + + /// gcc forces the alignment to 4 bytes, regardless of the type of the + /// zero length bitfield. This corresponds to EMPTY_FIELD_BOUNDARY in + /// gcc. + ZeroLengthBitfieldBoundary = 32; + + if (IsThumb) { + // Thumb1 add sp, #imm requires the immediate value be multiple of 4, + // so set preferred for small types to 32. + DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-" + "i64:32:64-f32:32:32-f64:32:64-" + "v64:32:64-v128:32:128-a0:0:32-n32-S32"); + } else { + DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:32:64-f32:32:32-f64:32:64-" + "v64:32:64-v128:32:128-a0:0:32-n32-S32"); + } + + // FIXME: Override "preferred align" for double and long long. + } else if (Name == "aapcs") { + // FIXME: Enumerated types are variable width in straight AAPCS. + } else if (Name == "aapcs-linux") { + ; + } else + return false; + + return true; + } + + void getDefaultFeatures(llvm::StringMap<bool> &Features) const { + if (CPU == "arm1136jf-s" || CPU == "arm1176jzf-s" || CPU == "mpcore") + Features["vfp2"] = true; + else if (CPU == "cortex-a8" || CPU == "cortex-a9") + Features["neon"] = true; + } + + virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const { + if (Name == "soft-float" || Name == "soft-float-abi" || + Name == "vfp2" || Name == "vfp3" || Name == "neon" || Name == "d16" || + Name == "neonfp") { + Features[Name] = Enabled; + } else + return false; + + return true; + } + + virtual void HandleTargetFeatures(std::vector<std::string> &Features) { + FPU = NoFPU; + SoftFloat = SoftFloatABI = false; + for (unsigned i = 0, e = Features.size(); i != e; ++i) { + if (Features[i] == "+soft-float") + SoftFloat = true; + else if (Features[i] == "+soft-float-abi") + SoftFloatABI = true; + else if (Features[i] == "+vfp2") + FPU = VFP2FPU; + else if (Features[i] == "+vfp3") + FPU = VFP3FPU; + else if (Features[i] == "+neon") + FPU = NeonFPU; + } + + // Remove front-end specific options which the backend handles differently. + std::vector<std::string>::iterator it; + it = std::find(Features.begin(), Features.end(), "+soft-float"); + if (it != Features.end()) + Features.erase(it); + it = std::find(Features.begin(), Features.end(), "+soft-float-abi"); + if (it != Features.end()) + Features.erase(it); + } + + virtual bool hasFeature(StringRef Feature) const { + return llvm::StringSwitch<bool>(Feature) + .Case("arm", true) + .Case("softfloat", SoftFloat) + .Case("thumb", IsThumb) + .Case("neon", FPU == NeonFPU && !SoftFloat && + StringRef(getCPUDefineSuffix(CPU)).startswith("7")) + .Default(false); + } + static const char *getCPUDefineSuffix(StringRef Name) { + return llvm::StringSwitch<const char*>(Name) + .Cases("arm8", "arm810", "4") + .Cases("strongarm", "strongarm110", "strongarm1100", "strongarm1110", "4") + .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "arm720t", "arm9", "4T") + .Cases("arm9tdmi", "arm920", "arm920t", "arm922t", "arm940t", "4T") + .Case("ep9312", "4T") + .Cases("arm10tdmi", "arm1020t", "5T") + .Cases("arm9e", "arm946e-s", "arm966e-s", "arm968e-s", "5TE") + .Case("arm926ej-s", "5TEJ") + .Cases("arm10e", "arm1020e", "arm1022e", "5TE") + .Cases("xscale", "iwmmxt", "5TE") + .Case("arm1136j-s", "6J") + .Cases("arm1176jz-s", "arm1176jzf-s", "6ZK") + .Cases("arm1136jf-s", "mpcorenovfp", "mpcore", "6K") + .Cases("arm1156t2-s", "arm1156t2f-s", "6T2") + .Cases("cortex-a8", "cortex-a9", "7A") + .Case("cortex-m3", "7M") + .Case("cortex-m4", "7M") + .Case("cortex-m0", "6M") + .Default(0); + } + virtual bool setCPU(const std::string &Name) { + if (!getCPUDefineSuffix(Name)) + return false; + + CPU = Name; + return true; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + // Target identification. + Builder.defineMacro("__arm"); + Builder.defineMacro("__arm__"); + + // Target properties. + Builder.defineMacro("__ARMEL__"); + Builder.defineMacro("__LITTLE_ENDIAN__"); + Builder.defineMacro("__REGISTER_PREFIX__", ""); + + StringRef CPUArch = getCPUDefineSuffix(CPU); + Builder.defineMacro("__ARM_ARCH_" + CPUArch + "__"); + + // Subtarget options. + + // FIXME: It's more complicated than this and we don't really support + // interworking. + if ('5' <= CPUArch[0] && CPUArch[0] <= '7') + Builder.defineMacro("__THUMB_INTERWORK__"); + + if (ABI == "aapcs" || ABI == "aapcs-linux") + Builder.defineMacro("__ARM_EABI__"); + + if (SoftFloat) + Builder.defineMacro("__SOFTFP__"); + + if (CPU == "xscale") + Builder.defineMacro("__XSCALE__"); + + bool IsARMv7 = CPUArch.startswith("7"); + if (IsThumb) { + Builder.defineMacro("__THUMBEL__"); + Builder.defineMacro("__thumb__"); + if (CPUArch == "6T2" || IsARMv7) + Builder.defineMacro("__thumb2__"); + } + + // Note, this is always on in gcc, even though it doesn't make sense. + Builder.defineMacro("__APCS_32__"); + + if (FPUModeIsVFP((FPUMode) FPU)) + Builder.defineMacro("__VFP_FP__"); + + // This only gets set when Neon instructions are actually available, unlike + // the VFP define, hence the soft float and arch check. This is subtly + // different from gcc, we follow the intent which was that it should be set + // when Neon instructions are actually available. + if (FPU == NeonFPU && !SoftFloat && IsARMv7) + Builder.defineMacro("__ARM_NEON__"); + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + Records = BuiltinInfo; + NumRecords = clang::ARM::LastTSBuiltin-Builtin::FirstTSBuiltin; + } + virtual bool isCLZForZeroUndef() const { return false; } + virtual const char *getVAListDeclaration() const { + return "typedef void* __builtin_va_list;"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const; + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &Info) const { + // FIXME: Check if this is complete + switch (*Name) { + default: + case 'l': // r0-r7 + case 'h': // r8-r15 + case 'w': // VFP Floating point register single precision + case 'P': // VFP Floating point register double precision + Info.setAllowsRegister(); + return true; + case 'Q': // A memory address that is a single base register. + Info.setAllowsMemory(); + return true; + case 'U': // a memory reference... + switch (Name[1]) { + case 'q': // ...ARMV4 ldrsb + case 'v': // ...VFP load/store (reg+constant offset) + case 'y': // ...iWMMXt load/store + case 't': // address valid for load/store opaque types wider + // than 128-bits + case 'n': // valid address for Neon doubleword vector load/store + case 'm': // valid address for Neon element and structure load/store + case 's': // valid address for non-offset loads/stores of quad-word + // values in four ARM registers + Info.setAllowsMemory(); + Name++; + return true; + } + } + return false; + } + virtual std::string convertConstraint(const char *&Constraint) const { + std::string R; + switch (*Constraint) { + case 'U': // Two-character constraint; add "^" hint for later parsing. + R = std::string("^") + std::string(Constraint, 2); + Constraint++; + break; + case 'p': // 'p' should be translated to 'r' by default. + R = std::string("r"); + break; + default: + return std::string(1, *Constraint); + } + return R; + } + virtual const char *getClobbers() const { + // FIXME: Is this really right? + return ""; + } +}; + +const char * const ARMTargetInfo::GCCRegNames[] = { + // Integer registers + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", + "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc", + + // Float registers + "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", + "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", + "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", + "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", + + // Double registers + "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", + "d8", "d9", "d10", "d11", "d12", "d13", "d14", "d15", + "d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23", + "d24", "d25", "d26", "d27", "d28", "d29", "d30", "d31", + + // Quad registers + "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7", + "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" +}; + +void ARMTargetInfo::getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); +} + +const TargetInfo::GCCRegAlias ARMTargetInfo::GCCRegAliases[] = { + { { "a1" }, "r0" }, + { { "a2" }, "r1" }, + { { "a3" }, "r2" }, + { { "a4" }, "r3" }, + { { "v1" }, "r4" }, + { { "v2" }, "r5" }, + { { "v3" }, "r6" }, + { { "v4" }, "r7" }, + { { "v5" }, "r8" }, + { { "v6", "rfp" }, "r9" }, + { { "sl" }, "r10" }, + { { "fp" }, "r11" }, + { { "ip" }, "r12" }, + { { "r13" }, "sp" }, + { { "r14" }, "lr" }, + { { "r15" }, "pc" }, + // The S, D and Q registers overlap, but aren't really aliases; we + // don't want to substitute one of these for a different-sized one. +}; + +void ARMTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); +} + +const Builtin::Info ARMTargetInfo::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/BuiltinsARM.def" +}; +} // end anonymous namespace. + +namespace { +class DarwinARMTargetInfo : + public DarwinTargetInfo<ARMTargetInfo> { +protected: + virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, + MacroBuilder &Builder) const { + getDarwinDefines(Builder, Opts, Triple, PlatformName, PlatformMinVersion); + } + +public: + DarwinARMTargetInfo(const std::string& triple) + : DarwinTargetInfo<ARMTargetInfo>(triple) { + HasAlignMac68kSupport = true; + // iOS always has 64-bit atomic instructions. + // FIXME: This should be based off of the target features in ARMTargetInfo. + MaxAtomicInlineWidth = 64; + } +}; +} // end anonymous namespace. + + +namespace { +// Hexagon abstract base class +class HexagonTargetInfo : public TargetInfo { + static const Builtin::Info BuiltinInfo[]; + static const char * const GCCRegNames[]; + static const TargetInfo::GCCRegAlias GCCRegAliases[]; + std::string CPU; +public: + HexagonTargetInfo(const std::string& triple) : TargetInfo(triple) { + BigEndian = false; + DescriptionString = ("e-p:32:32:32-" + "i64:64:64-i32:32:32-" + "i16:16:16-i1:32:32-a:0:0"); + + // {} in inline assembly are packet specifiers, not assembly variant + // specifiers. + NoAsmVariants = true; + } + + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + Records = BuiltinInfo; + NumRecords = clang::Hexagon::LastTSBuiltin-Builtin::FirstTSBuiltin; + } + + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &Info) const { + return true; + } + + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const; + + virtual bool hasFeature(StringRef Feature) const { + return Feature == "hexagon"; + } + + virtual const char *getVAListDeclaration() const { + return "typedef char* __builtin_va_list;"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const; + virtual const char *getClobbers() const { + return ""; + } + + static const char *getHexagonCPUSuffix(StringRef Name) { + return llvm::StringSwitch<const char*>(Name) + .Case("hexagonv2", "2") + .Case("hexagonv3", "3") + .Case("hexagonv4", "4") + .Default(0); + } + + virtual bool setCPU(const std::string &Name) { + if (!getHexagonCPUSuffix(Name)) + return false; + + CPU = Name; + return true; + } +}; + +void HexagonTargetInfo::getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + Builder.defineMacro("qdsp6"); + Builder.defineMacro("__qdsp6", "1"); + Builder.defineMacro("__qdsp6__", "1"); + + Builder.defineMacro("hexagon"); + Builder.defineMacro("__hexagon", "1"); + Builder.defineMacro("__hexagon__", "1"); + + if(CPU == "hexagonv1") { + Builder.defineMacro("__HEXAGON_V1__"); + Builder.defineMacro("__HEXAGON_ARCH__", "1"); + if(Opts.HexagonQdsp6Compat) { + Builder.defineMacro("__QDSP6_V1__"); + Builder.defineMacro("__QDSP6_ARCH__", "1"); + } + } + else if(CPU == "hexagonv2") { + Builder.defineMacro("__HEXAGON_V2__"); + Builder.defineMacro("__HEXAGON_ARCH__", "2"); + if(Opts.HexagonQdsp6Compat) { + Builder.defineMacro("__QDSP6_V2__"); + Builder.defineMacro("__QDSP6_ARCH__", "2"); + } + } + else if(CPU == "hexagonv3") { + Builder.defineMacro("__HEXAGON_V3__"); + Builder.defineMacro("__HEXAGON_ARCH__", "3"); + if(Opts.HexagonQdsp6Compat) { + Builder.defineMacro("__QDSP6_V3__"); + Builder.defineMacro("__QDSP6_ARCH__", "3"); + } + } + else if(CPU == "hexagonv4") { + Builder.defineMacro("__HEXAGON_V4__"); + Builder.defineMacro("__HEXAGON_ARCH__", "4"); + if(Opts.HexagonQdsp6Compat) { + Builder.defineMacro("__QDSP6_V4__"); + Builder.defineMacro("__QDSP6_ARCH__", "4"); + } + } +} + +const char * const HexagonTargetInfo::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", + "p0", "p1", "p2", "p3", + "sa0", "lc0", "sa1", "lc1", "m0", "m1", "usr", "ugp" +}; + +void HexagonTargetInfo::getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); +} + + +const TargetInfo::GCCRegAlias HexagonTargetInfo::GCCRegAliases[] = { + { { "sp" }, "r29" }, + { { "fp" }, "r30" }, + { { "lr" }, "r31" }, + }; + +void HexagonTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); +} + + +const Builtin::Info HexagonTargetInfo::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/BuiltinsHexagon.def" +}; +} + + +namespace { +class SparcV8TargetInfo : public TargetInfo { + static const TargetInfo::GCCRegAlias GCCRegAliases[]; + static const char * const GCCRegNames[]; + bool SoftFloat; +public: + SparcV8TargetInfo(const std::string& triple) : TargetInfo(triple) { + // FIXME: Support Sparc quad-precision long double? + BigEndian = false; + DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32"; + } + virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const { + if (Name == "soft-float") + Features[Name] = Enabled; + else + return false; + + return true; + } + virtual void HandleTargetFeatures(std::vector<std::string> &Features) { + SoftFloat = false; + for (unsigned i = 0, e = Features.size(); i != e; ++i) + if (Features[i] == "+soft-float") + SoftFloat = true; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + DefineStd(Builder, "sparc", Opts); + Builder.defineMacro("__sparcv8"); + Builder.defineMacro("__REGISTER_PREFIX__", ""); + + if (SoftFloat) + Builder.defineMacro("SOFT_FLOAT", "1"); + } + + virtual bool hasFeature(StringRef Feature) const { + return llvm::StringSwitch<bool>(Feature) + .Case("softfloat", SoftFloat) + .Case("sparc", true) + .Default(false); + } + + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + // FIXME: Implement! + } + virtual const char *getVAListDeclaration() const { + return "typedef void* __builtin_va_list;"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const; + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &info) const { + // FIXME: Implement! + return false; + } + virtual const char *getClobbers() const { + // FIXME: Implement! + return ""; + } +}; + +const char * const SparcV8TargetInfo::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" +}; + +void SparcV8TargetInfo::getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); +} + +const TargetInfo::GCCRegAlias SparcV8TargetInfo::GCCRegAliases[] = { + { { "g0" }, "r0" }, + { { "g1" }, "r1" }, + { { "g2" }, "r2" }, + { { "g3" }, "r3" }, + { { "g4" }, "r4" }, + { { "g5" }, "r5" }, + { { "g6" }, "r6" }, + { { "g7" }, "r7" }, + { { "o0" }, "r8" }, + { { "o1" }, "r9" }, + { { "o2" }, "r10" }, + { { "o3" }, "r11" }, + { { "o4" }, "r12" }, + { { "o5" }, "r13" }, + { { "o6", "sp" }, "r14" }, + { { "o7" }, "r15" }, + { { "l0" }, "r16" }, + { { "l1" }, "r17" }, + { { "l2" }, "r18" }, + { { "l3" }, "r19" }, + { { "l4" }, "r20" }, + { { "l5" }, "r21" }, + { { "l6" }, "r22" }, + { { "l7" }, "r23" }, + { { "i0" }, "r24" }, + { { "i1" }, "r25" }, + { { "i2" }, "r26" }, + { { "i3" }, "r27" }, + { { "i4" }, "r28" }, + { { "i5" }, "r29" }, + { { "i6", "fp" }, "r30" }, + { { "i7" }, "r31" }, +}; + +void SparcV8TargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); +} +} // end anonymous namespace. + +namespace { +class AuroraUXSparcV8TargetInfo : public AuroraUXTargetInfo<SparcV8TargetInfo> { +public: + AuroraUXSparcV8TargetInfo(const std::string& triple) : + AuroraUXTargetInfo<SparcV8TargetInfo>(triple) { + SizeType = UnsignedInt; + PtrDiffType = SignedInt; + } +}; +class SolarisSparcV8TargetInfo : public SolarisTargetInfo<SparcV8TargetInfo> { +public: + SolarisSparcV8TargetInfo(const std::string& triple) : + SolarisTargetInfo<SparcV8TargetInfo>(triple) { + SizeType = UnsignedInt; + PtrDiffType = SignedInt; + } +}; +} // end anonymous namespace. + +namespace { + class MSP430TargetInfo : public TargetInfo { + static const char * const GCCRegNames[]; + public: + MSP430TargetInfo(const std::string& triple) : TargetInfo(triple) { + BigEndian = false; + TLSSupported = false; + IntWidth = 16; IntAlign = 16; + LongWidth = 32; LongLongWidth = 64; + LongAlign = LongLongAlign = 16; + PointerWidth = 16; PointerAlign = 16; + SuitableAlign = 16; + SizeType = UnsignedInt; + IntMaxType = SignedLong; + UIntMaxType = UnsignedLong; + IntPtrType = SignedShort; + PtrDiffType = SignedInt; + SigAtomicType = SignedLong; + DescriptionString = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + Builder.defineMacro("MSP430"); + Builder.defineMacro("__MSP430__"); + // FIXME: defines for different 'flavours' of MCU + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + // FIXME: Implement. + Records = 0; + NumRecords = 0; + } + virtual bool hasFeature(StringRef Feature) const { + return Feature == "msp430"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + // No aliases. + Aliases = 0; + NumAliases = 0; + } + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &info) const { + // No target constraints for now. + return false; + } + virtual const char *getClobbers() const { + // FIXME: Is this really right? + return ""; + } + virtual const char *getVAListDeclaration() const { + // FIXME: implement + return "typedef char* __builtin_va_list;"; + } + }; + + const char * const MSP430TargetInfo::GCCRegNames[] = { + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", + "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" + }; + + void MSP430TargetInfo::getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); + } +} + +namespace { + + // LLVM and Clang cannot be used directly to output native binaries for + // target, but is used to compile C code to llvm bitcode with correct + // type and alignment information. + // + // TCE uses the llvm bitcode as input and uses it for generating customized + // target processor and program binary. TCE co-design environment is + // publicly available in http://tce.cs.tut.fi + + static const unsigned TCEOpenCLAddrSpaceMap[] = { + 3, // opencl_global + 4, // opencl_local + 5 // opencl_constant + }; + + class TCETargetInfo : public TargetInfo{ + public: + TCETargetInfo(const std::string& triple) : TargetInfo(triple) { + TLSSupported = false; + IntWidth = 32; + LongWidth = LongLongWidth = 32; + PointerWidth = 32; + IntAlign = 32; + LongAlign = LongLongAlign = 32; + PointerAlign = 32; + SuitableAlign = 32; + SizeType = UnsignedInt; + IntMaxType = SignedLong; + UIntMaxType = UnsignedLong; + IntPtrType = SignedInt; + PtrDiffType = SignedInt; + FloatWidth = 32; + FloatAlign = 32; + DoubleWidth = 32; + DoubleAlign = 32; + LongDoubleWidth = 32; + LongDoubleAlign = 32; + FloatFormat = &llvm::APFloat::IEEEsingle; + DoubleFormat = &llvm::APFloat::IEEEsingle; + LongDoubleFormat = &llvm::APFloat::IEEEsingle; + DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:32-" + "i16:16:32-i32:32:32-i64:32:32-" + "f32:32:32-f64:32:32-v64:32:32-" + "v128:32:32-a0:0:32-n32"; + AddrSpaceMap = &TCEOpenCLAddrSpaceMap; + } + + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + DefineStd(Builder, "tce", Opts); + Builder.defineMacro("__TCE__"); + Builder.defineMacro("__TCE_V1__"); + } + virtual bool hasFeature(StringRef Feature) const { + return Feature == "tce"; + } + + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const {} + virtual const char *getClobbers() const { + return ""; + } + virtual const char *getVAListDeclaration() const { + return "typedef void* __builtin_va_list;"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const {} + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &info) const { + return true; + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const {} + }; +} + +namespace { +class MipsTargetInfoBase : public TargetInfo { + std::string CPU; + bool SoftFloat; + bool SingleFloat; + +protected: + std::string ABI; + +public: + MipsTargetInfoBase(const std::string& triple, + const std::string& ABIStr, + const std::string& CPUStr) + : TargetInfo(triple), + CPU(CPUStr), + SoftFloat(false), SingleFloat(false), + ABI(ABIStr) + {} + + virtual const char *getABI() const { return ABI.c_str(); } + virtual bool setABI(const std::string &Name) = 0; + virtual bool setCPU(const std::string &Name) { + CPU = Name; + return true; + } + void getDefaultFeatures(llvm::StringMap<bool> &Features) const { + Features[ABI] = true; + Features[CPU] = true; + } + + virtual void getArchDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + if (SoftFloat) + Builder.defineMacro("__mips_soft_float", Twine(1)); + else if (SingleFloat) + Builder.defineMacro("__mips_single_float", Twine(1)); + else if (!SoftFloat && !SingleFloat) + Builder.defineMacro("__mips_hard_float", Twine(1)); + else + llvm_unreachable("Invalid float ABI for Mips."); + + Builder.defineMacro("_MIPS_SZPTR", Twine(getPointerWidth(0))); + Builder.defineMacro("_MIPS_SZINT", Twine(getIntWidth())); + Builder.defineMacro("_MIPS_SZLONG", Twine(getLongWidth())); + } + + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const = 0; + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + // FIXME: Implement! + } + virtual bool hasFeature(StringRef Feature) const { + return Feature == "mips"; + } + virtual const char *getVAListDeclaration() const { + return "typedef void* __builtin_va_list;"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + static const char * const GCCRegNames[] = { + // CPU register names + // Must match second column of GCCRegAliases + "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", + "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", + "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", + "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31", + // Floating point register names + "$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", "$f31", + // Hi/lo and condition register names + "hi", "lo", "", "$fcc0","$fcc1","$fcc2","$fcc3","$fcc4", + "$fcc5","$fcc6","$fcc7" + }; + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const = 0; + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &Info) const { + switch (*Name) { + default: + return false; + + case 'r': // CPU registers. + case 'd': // Equivalent to "r" unless generating MIPS16 code. + case 'y': // Equivalent to "r", backwards compatibility only. + case 'f': // floating-point registers. + case 'c': // $25 for indirect jumps + case 'l': // lo register + case 'x': // hilo register pair + Info.setAllowsRegister(); + return true; + } + } + + virtual const char *getClobbers() const { + // FIXME: Implement! + return ""; + } + + virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, + StringRef Name, + bool Enabled) const { + if (Name == "soft-float" || Name == "single-float" || + Name == "o32" || Name == "n32" || Name == "n64" || Name == "eabi" || + Name == "mips32" || Name == "mips32r2" || + Name == "mips64" || Name == "mips64r2") { + Features[Name] = Enabled; + return true; + } + return false; + } + + virtual void HandleTargetFeatures(std::vector<std::string> &Features) { + SoftFloat = false; + SingleFloat = false; + + for (std::vector<std::string>::iterator it = Features.begin(), + ie = Features.end(); it != ie; ++it) { + if (*it == "+single-float") { + SingleFloat = true; + break; + } + + if (*it == "+soft-float") { + SoftFloat = true; + // This option is front-end specific. + // Do not need to pass it to the backend. + Features.erase(it); + break; + } + } + } +}; + +class Mips32TargetInfoBase : public MipsTargetInfoBase { +public: + Mips32TargetInfoBase(const std::string& triple) : + MipsTargetInfoBase(triple, "o32", "mips32") { + SizeType = UnsignedInt; + PtrDiffType = SignedInt; + } + virtual bool setABI(const std::string &Name) { + if ((Name == "o32") || (Name == "eabi")) { + ABI = Name; + return true; + } else + return false; + } + virtual void getArchDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + MipsTargetInfoBase::getArchDefines(Opts, Builder); + + if (ABI == "o32") { + Builder.defineMacro("__mips_o32"); + Builder.defineMacro("_ABIO32", "1"); + Builder.defineMacro("_MIPS_SIM", "_ABIO32"); + } + else if (ABI == "eabi") + Builder.defineMacro("__mips_eabi"); + else + llvm_unreachable("Invalid ABI for Mips32."); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + static const TargetInfo::GCCRegAlias GCCRegAliases[] = { + { { "at" }, "$1" }, + { { "v0" }, "$2" }, + { { "v1" }, "$3" }, + { { "a0" }, "$4" }, + { { "a1" }, "$5" }, + { { "a2" }, "$6" }, + { { "a3" }, "$7" }, + { { "t0" }, "$8" }, + { { "t1" }, "$9" }, + { { "t2" }, "$10" }, + { { "t3" }, "$11" }, + { { "t4" }, "$12" }, + { { "t5" }, "$13" }, + { { "t6" }, "$14" }, + { { "t7" }, "$15" }, + { { "s0" }, "$16" }, + { { "s1" }, "$17" }, + { { "s2" }, "$18" }, + { { "s3" }, "$19" }, + { { "s4" }, "$20" }, + { { "s5" }, "$21" }, + { { "s6" }, "$22" }, + { { "s7" }, "$23" }, + { { "t8" }, "$24" }, + { { "t9" }, "$25" }, + { { "k0" }, "$26" }, + { { "k1" }, "$27" }, + { { "gp" }, "$28" }, + { { "sp","$sp" }, "$29" }, + { { "fp","$fp" }, "$30" }, + { { "ra" }, "$31" } + }; + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); + } +}; + +class Mips32EBTargetInfo : public Mips32TargetInfoBase { +public: + Mips32EBTargetInfo(const std::string& triple) : Mips32TargetInfoBase(triple) { + DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + DefineStd(Builder, "mips", Opts); + Builder.defineMacro("_mips"); + DefineStd(Builder, "MIPSEB", Opts); + Builder.defineMacro("_MIPSEB"); + Builder.defineMacro("__REGISTER_PREFIX__", ""); + getArchDefines(Opts, Builder); + } +}; + +class Mips32ELTargetInfo : public Mips32TargetInfoBase { +public: + Mips32ELTargetInfo(const std::string& triple) : Mips32TargetInfoBase(triple) { + BigEndian = false; + DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + DefineStd(Builder, "mips", Opts); + Builder.defineMacro("_mips"); + DefineStd(Builder, "MIPSEL", Opts); + Builder.defineMacro("_MIPSEL"); + Builder.defineMacro("__REGISTER_PREFIX__", ""); + getArchDefines(Opts, Builder); + } +}; + +class Mips64TargetInfoBase : public MipsTargetInfoBase { + virtual void SetDescriptionString(const std::string &Name) = 0; +public: + Mips64TargetInfoBase(const std::string& triple) : + MipsTargetInfoBase(triple, "n64", "mips64") { + LongWidth = LongAlign = 64; + PointerWidth = PointerAlign = 64; + LongDoubleWidth = LongDoubleAlign = 128; + LongDoubleFormat = &llvm::APFloat::IEEEquad; + SuitableAlign = 128; + } + virtual bool setABI(const std::string &Name) { + SetDescriptionString(Name); + + if (Name != "n32" && Name != "n64") + return false; + + ABI = Name; + + if (Name == "n32") { + LongWidth = LongAlign = 32; + PointerWidth = PointerAlign = 32; + } + + return true; + } + virtual void getArchDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + MipsTargetInfoBase::getArchDefines(Opts, Builder); + + if (ABI == "n32") { + Builder.defineMacro("__mips_n32"); + Builder.defineMacro("_ABIN32", "2"); + Builder.defineMacro("_MIPS_SIM", "_ABIN32"); + } + else if (ABI == "n64") { + Builder.defineMacro("__mips_n64"); + Builder.defineMacro("_ABI64", "3"); + Builder.defineMacro("_MIPS_SIM", "_ABI64"); + } + else + llvm_unreachable("Invalid ABI for Mips64."); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + static const TargetInfo::GCCRegAlias GCCRegAliases[] = { + { { "at" }, "$1" }, + { { "v0" }, "$2" }, + { { "v1" }, "$3" }, + { { "a0" }, "$4" }, + { { "a1" }, "$5" }, + { { "a2" }, "$6" }, + { { "a3" }, "$7" }, + { { "a4" }, "$8" }, + { { "a5" }, "$9" }, + { { "a6" }, "$10" }, + { { "a7" }, "$11" }, + { { "t0" }, "$12" }, + { { "t1" }, "$13" }, + { { "t2" }, "$14" }, + { { "t3" }, "$15" }, + { { "s0" }, "$16" }, + { { "s1" }, "$17" }, + { { "s2" }, "$18" }, + { { "s3" }, "$19" }, + { { "s4" }, "$20" }, + { { "s5" }, "$21" }, + { { "s6" }, "$22" }, + { { "s7" }, "$23" }, + { { "t8" }, "$24" }, + { { "t9" }, "$25" }, + { { "k0" }, "$26" }, + { { "k1" }, "$27" }, + { { "gp" }, "$28" }, + { { "sp","$sp" }, "$29" }, + { { "fp","$fp" }, "$30" }, + { { "ra" }, "$31" } + }; + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); + } +}; + +class Mips64EBTargetInfo : public Mips64TargetInfoBase { + virtual void SetDescriptionString(const std::string &Name) { + // Change DescriptionString only if ABI is n32. + if (Name == "n32") + DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-f128:128:128-" + "v64:64:64-n32"; + } +public: + Mips64EBTargetInfo(const std::string& triple) : Mips64TargetInfoBase(triple) { + // Default ABI is n64. + DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:32-i16:16:32-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-f128:128:128-" + "v64:64:64-n32"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + DefineStd(Builder, "mips", Opts); + Builder.defineMacro("_mips"); + DefineStd(Builder, "MIPSEB", Opts); + Builder.defineMacro("_MIPSEB"); + Builder.defineMacro("__REGISTER_PREFIX__", ""); + getArchDefines(Opts, Builder); + } +}; + +class Mips64ELTargetInfo : public Mips64TargetInfoBase { + virtual void SetDescriptionString(const std::string &Name) { + // Change DescriptionString only if ABI is n32. + if (Name == "n32") + DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-f128:128:128" + "-v64:64:64-n32"; + } +public: + Mips64ELTargetInfo(const std::string& triple) : Mips64TargetInfoBase(triple) { + // Default ABI is n64. + BigEndian = false; + DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:32-i16:16:32-i32:32:32-" + "i64:64:64-f32:32:32-f64:64:64-f128:128:128-" + "v64:64:64-n32"; + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + DefineStd(Builder, "mips", Opts); + Builder.defineMacro("_mips"); + DefineStd(Builder, "MIPSEL", Opts); + Builder.defineMacro("_MIPSEL"); + Builder.defineMacro("__REGISTER_PREFIX__", ""); + getArchDefines(Opts, Builder); + } +}; +} // end anonymous namespace. + +namespace { +class PNaClTargetInfo : public TargetInfo { +public: + PNaClTargetInfo(const std::string& triple) : TargetInfo(triple) { + BigEndian = false; + 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->SizeType = TargetInfo::UnsignedInt; + this->PtrDiffType = TargetInfo::SignedInt; + this->IntPtrType = TargetInfo::SignedInt; + this->RegParmMax = 2; + DescriptionString = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-" + "f32:32:32-f64:64:64-p:32:32:32-v128:32:32"; + } + + void getDefaultFeatures(llvm::StringMap<bool> &Features) const { + } + virtual void getArchDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + Builder.defineMacro("__le32__"); + Builder.defineMacro("__pnacl__"); + } + virtual void getTargetDefines(const LangOptions &Opts, + MacroBuilder &Builder) const { + DefineStd(Builder, "unix", Opts); + Builder.defineMacro("__ELF__"); + if (Opts.POSIXThreads) + Builder.defineMacro("_REENTRANT"); + if (Opts.CPlusPlus) + Builder.defineMacro("_GNU_SOURCE"); + + Builder.defineMacro("__LITTLE_ENDIAN__"); + Builder.defineMacro("__native_client__"); + getArchDefines(Opts, Builder); + } + virtual bool hasFeature(StringRef Feature) const { + return Feature == "pnacl"; + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + } + virtual const char *getVAListDeclaration() const { + return "typedef int __builtin_va_list[4];"; + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const; + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const; + virtual bool validateAsmConstraint(const char *&Name, + TargetInfo::ConstraintInfo &Info) const { + return false; + } + + virtual const char *getClobbers() const { + return ""; + } +}; + +void PNaClTargetInfo::getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + Names = NULL; + NumNames = 0; +} + +void PNaClTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + Aliases = NULL; + NumAliases = 0; +} +} // end anonymous namespace. + + +//===----------------------------------------------------------------------===// +// Driver code +//===----------------------------------------------------------------------===// + +static TargetInfo *AllocateTarget(const std::string &T) { + llvm::Triple Triple(T); + llvm::Triple::OSType os = Triple.getOS(); + + switch (Triple.getArch()) { + default: + return NULL; + + case llvm::Triple::hexagon: + return new HexagonTargetInfo(T); + + case llvm::Triple::arm: + case llvm::Triple::thumb: + if (Triple.isOSDarwin()) + return new DarwinARMTargetInfo(T); + + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<ARMTargetInfo>(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<ARMTargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<ARMTargetInfo>(T); + case llvm::Triple::RTEMS: + return new RTEMSTargetInfo<ARMTargetInfo>(T); + default: + return new ARMTargetInfo(T); + } + + case llvm::Triple::msp430: + return new MSP430TargetInfo(T); + + case llvm::Triple::mips: + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<Mips32EBTargetInfo>(T); + case llvm::Triple::RTEMS: + return new RTEMSTargetInfo<Mips32EBTargetInfo>(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<Mips32EBTargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<Mips32EBTargetInfo>(T); + default: + return new Mips32EBTargetInfo(T); + } + + case llvm::Triple::mipsel: + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<Mips32ELTargetInfo>(T); + case llvm::Triple::RTEMS: + return new RTEMSTargetInfo<Mips32ELTargetInfo>(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<Mips32ELTargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<Mips32ELTargetInfo>(T); + default: + return new Mips32ELTargetInfo(T); + } + + case llvm::Triple::mips64: + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<Mips64EBTargetInfo>(T); + case llvm::Triple::RTEMS: + return new RTEMSTargetInfo<Mips64EBTargetInfo>(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<Mips64EBTargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<Mips64EBTargetInfo>(T); + default: + return new Mips64EBTargetInfo(T); + } + + case llvm::Triple::mips64el: + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<Mips64ELTargetInfo>(T); + case llvm::Triple::RTEMS: + return new RTEMSTargetInfo<Mips64ELTargetInfo>(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<Mips64ELTargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<Mips64ELTargetInfo>(T); + default: + return new Mips64ELTargetInfo(T); + } + + case llvm::Triple::le32: + switch (os) { + case llvm::Triple::NativeClient: + return new PNaClTargetInfo(T); + default: + return NULL; + } + + case llvm::Triple::ppc: + if (Triple.isOSDarwin()) + return new DarwinPPC32TargetInfo(T); + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<PPC32TargetInfo>(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<PPC32TargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<PPC32TargetInfo>(T); + case llvm::Triple::RTEMS: + return new RTEMSTargetInfo<PPC32TargetInfo>(T); + default: + return new PPC32TargetInfo(T); + } + + case llvm::Triple::ppc64: + if (Triple.isOSDarwin()) + return new DarwinPPC64TargetInfo(T); + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<PPC64TargetInfo>(T); + case llvm::Triple::Lv2: + return new PS3PPUTargetInfo<PPC64TargetInfo>(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<PPC64TargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<PPC64TargetInfo>(T); + default: + return new PPC64TargetInfo(T); + } + + case llvm::Triple::ptx32: + return new PTX32TargetInfo(T); + case llvm::Triple::ptx64: + return new PTX64TargetInfo(T); + + case llvm::Triple::mblaze: + return new MBlazeTargetInfo(T); + + case llvm::Triple::sparc: + switch (os) { + case llvm::Triple::Linux: + return new LinuxTargetInfo<SparcV8TargetInfo>(T); + case llvm::Triple::AuroraUX: + return new AuroraUXSparcV8TargetInfo(T); + case llvm::Triple::Solaris: + return new SolarisSparcV8TargetInfo(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<SparcV8TargetInfo>(T); + case llvm::Triple::RTEMS: + return new RTEMSTargetInfo<SparcV8TargetInfo>(T); + default: + return new SparcV8TargetInfo(T); + } + + // FIXME: Need a real SPU target. + case llvm::Triple::cellspu: + return new PS3SPUTargetInfo<PPC64TargetInfo>(T); + + case llvm::Triple::tce: + return new TCETargetInfo(T); + + case llvm::Triple::x86: + if (Triple.isOSDarwin()) + return new DarwinI386TargetInfo(T); + + switch (os) { + case llvm::Triple::AuroraUX: + return new AuroraUXTargetInfo<X86_32TargetInfo>(T); + case llvm::Triple::Linux: + return new LinuxTargetInfo<X86_32TargetInfo>(T); + case llvm::Triple::DragonFly: + return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDI386TargetInfo(T); + case llvm::Triple::OpenBSD: + return new OpenBSDI386TargetInfo(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<X86_32TargetInfo>(T); + case llvm::Triple::Minix: + return new MinixTargetInfo<X86_32TargetInfo>(T); + case llvm::Triple::Solaris: + return new SolarisTargetInfo<X86_32TargetInfo>(T); + case llvm::Triple::Cygwin: + return new CygwinX86_32TargetInfo(T); + case llvm::Triple::MinGW32: + return new MinGWX86_32TargetInfo(T); + case llvm::Triple::Win32: + return new VisualStudioWindowsX86_32TargetInfo(T); + case llvm::Triple::Haiku: + return new HaikuX86_32TargetInfo(T); + case llvm::Triple::RTEMS: + return new RTEMSX86_32TargetInfo(T); + default: + return new X86_32TargetInfo(T); + } + + case llvm::Triple::x86_64: + if (Triple.isOSDarwin() || Triple.getEnvironment() == llvm::Triple::MachO) + return new DarwinX86_64TargetInfo(T); + + switch (os) { + case llvm::Triple::AuroraUX: + return new AuroraUXTargetInfo<X86_64TargetInfo>(T); + case llvm::Triple::Linux: + return new LinuxTargetInfo<X86_64TargetInfo>(T); + case llvm::Triple::DragonFly: + return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(T); + case llvm::Triple::NetBSD: + return new NetBSDTargetInfo<X86_64TargetInfo>(T); + case llvm::Triple::OpenBSD: + return new OpenBSDX86_64TargetInfo(T); + case llvm::Triple::FreeBSD: + return new FreeBSDTargetInfo<X86_64TargetInfo>(T); + case llvm::Triple::Solaris: + return new SolarisTargetInfo<X86_64TargetInfo>(T); + case llvm::Triple::MinGW32: + return new MinGWX86_64TargetInfo(T); + case llvm::Triple::Win32: // This is what Triple.h supports now. + return new VisualStudioWindowsX86_64TargetInfo(T); + default: + return new X86_64TargetInfo(T); + } + } +} + +/// CreateTargetInfo - Return the target info object for the specified target +/// triple. +TargetInfo *TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags, + TargetOptions &Opts) { + llvm::Triple Triple(Opts.Triple); + + // Construct the target + OwningPtr<TargetInfo> Target(AllocateTarget(Triple.str())); + if (!Target) { + Diags.Report(diag::err_target_unknown_triple) << Triple.str(); + return 0; + } + + // Set the target CPU if specified. + if (!Opts.CPU.empty() && !Target->setCPU(Opts.CPU)) { + Diags.Report(diag::err_target_unknown_cpu) << Opts.CPU; + return 0; + } + + // Set the target ABI if specified. + if (!Opts.ABI.empty() && !Target->setABI(Opts.ABI)) { + Diags.Report(diag::err_target_unknown_abi) << Opts.ABI; + return 0; + } + + // Set the target C++ ABI. + if (!Opts.CXXABI.empty() && !Target->setCXXABI(Opts.CXXABI)) { + Diags.Report(diag::err_target_unknown_cxxabi) << Opts.CXXABI; + return 0; + } + + // Compute the default target features, we need the target to handle this + // because features may have dependencies on one another. + llvm::StringMap<bool> Features; + Target->getDefaultFeatures(Features); + + // Apply the user specified deltas. + // First the enables. + for (std::vector<std::string>::const_iterator it = Opts.Features.begin(), + ie = Opts.Features.end(); it != ie; ++it) { + const char *Name = it->c_str(); + + if (Name[0] != '+') + continue; + + // Apply the feature via the target. + if (!Target->setFeatureEnabled(Features, Name + 1, true)) { + Diags.Report(diag::err_target_invalid_feature) << Name; + return 0; + } + } + + // Then the disables. + for (std::vector<std::string>::const_iterator it = Opts.Features.begin(), + ie = Opts.Features.end(); it != ie; ++it) { + const char *Name = it->c_str(); + + if (Name[0] == '+') + continue; + + // Apply the feature via the target. + if (Name[0] != '-' || + !Target->setFeatureEnabled(Features, Name + 1, false)) { + Diags.Report(diag::err_target_invalid_feature) << Name; + return 0; + } + } + + // Add the features to the compile options. + // + // FIXME: If we are completely confident that we have the right set, we only + // need to pass the minuses. + Opts.Features.clear(); + for (llvm::StringMap<bool>::const_iterator it = Features.begin(), + ie = Features.end(); it != ie; ++it) + Opts.Features.push_back((it->second ? "+" : "-") + it->first().str()); + Target->HandleTargetFeatures(Opts.Features); + + return Target.take(); +} |