X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FTriple.cpp;h=694f1ccd90dc6fc94932ec2a1645dea7c22b9022;hb=c00ae934322b82493ef3fe429c3373028e7fe97d;hp=b74ee13f587da2967880be36b1c728b273c9f266;hpb=b5a006e88f78d0c2e88aed1941062951827870ef;p=oota-llvm.git diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp index b74ee13f587..694f1ccd90d 100644 --- a/lib/Support/Triple.cpp +++ b/lib/Support/Triple.cpp @@ -23,8 +23,6 @@ const char *Triple::getArchTypeName(ArchType Kind) { case aarch64_be: return "aarch64_be"; case arm: return "arm"; case armeb: return "armeb"; - case arm64: return "arm64"; - case arm64_be: return "arm64_be"; case hexagon: return "hexagon"; case mips: return "mips"; case mipsel: return "mipsel"; @@ -69,9 +67,6 @@ const char *Triple::getArchTypePrefix(ArchType Kind) { case thumb: case thumbeb: return "arm"; - case arm64: - case arm64_be: return "arm64"; - case ppc64: case ppc64le: case ppc: return "ppc"; @@ -118,6 +113,7 @@ const char *Triple::getVendorTypeName(VendorType Kind) { case Freescale: return "fsl"; case IBM: return "ibm"; case ImaginationTechnologies: return "img"; + case MipsTechnologies: return "mti"; case NVIDIA: return "nvidia"; case CSR: return "csr"; } @@ -181,10 +177,9 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) { return StringSwitch(Name) .Case("aarch64", aarch64) .Case("aarch64_be", aarch64_be) + .Case("arm64", aarch64) // "arm64" is an alias for "aarch64" .Case("arm", arm) .Case("armeb", armeb) - .Case("arm64", arm64) - .Case("arm64_be", arm64_be) .Case("mips", mips) .Case("mipsel", mipsel) .Case("mips64", mips64) @@ -215,35 +210,6 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) { .Default(UnknownArch); } -// Returns architecture name that is understood by the target assembler. -const char *Triple::getArchNameForAssembler() { - if (!isOSDarwin() && getVendor() != Triple::Apple) - return nullptr; - - return StringSwitch(getArchName()) - .Case("i386", "i386") - .Case("x86_64", "x86_64") - .Case("powerpc", "ppc") - .Case("powerpc64", "ppc64") - .Case("powerpc64le", "ppc64le") - .Case("arm", "arm") - .Cases("armv4t", "thumbv4t", "armv4t") - .Cases("armv5", "armv5e", "thumbv5", "thumbv5e", "armv5") - .Cases("armv6", "thumbv6", "armv6") - .Cases("armv7", "thumbv7", "armv7") - .Case("armeb", "armeb") - .Case("arm64", "arm64") - .Case("arm64_be", "arm64") - .Case("r600", "r600") - .Case("nvptx", "nvptx") - .Case("nvptx64", "nvptx64") - .Case("le32", "le32") - .Case("amdil", "amdil") - .Case("spir", "spir") - .Case("spir64", "spir64") - .Default(nullptr); -} - static Triple::ArchType parseArch(StringRef ArchName) { return StringSwitch(ArchName) .Cases("i386", "i486", "i586", "i686", Triple::x86) @@ -255,6 +221,7 @@ static Triple::ArchType parseArch(StringRef ArchName) { .Case("powerpc64le", Triple::ppc64le) .Case("aarch64", Triple::aarch64) .Case("aarch64_be", Triple::aarch64_be) + .Case("arm64", Triple::aarch64) .Cases("arm", "xscale", Triple::arm) // FIXME: It would be good to replace these with explicit names for all the // various suffixes supported. @@ -265,8 +232,6 @@ static Triple::ArchType parseArch(StringRef ArchName) { .StartsWith("thumbv", Triple::thumb) .Case("thumbeb", Triple::thumbeb) .StartsWith("thumbebv", Triple::thumbeb) - .Case("arm64", Triple::arm64) - .Case("arm64_be", Triple::arm64_be) .Case("msp430", Triple::msp430) .Cases("mips", "mipseb", "mipsallegrex", Triple::mips) .Cases("mipsel", "mipsallegrexel", Triple::mipsel) @@ -299,6 +264,7 @@ static Triple::VendorType parseVendor(StringRef VendorName) { .Case("fsl", Triple::Freescale) .Case("ibm", Triple::IBM) .Case("img", Triple::ImaginationTechnologies) + .Case("mti", Triple::MipsTechnologies) .Case("nvidia", Triple::NVIDIA) .Case("csr", Triple::CSR) .Default(Triple::UnknownVendor); @@ -358,6 +324,28 @@ static Triple::ObjectFormatType parseFormat(StringRef EnvironmentName) { .Default(Triple::UnknownObjectFormat); } +static Triple::SubArchType parseSubArch(StringRef SubArchName) { + return StringSwitch(SubArchName) + .EndsWith("v8", Triple::ARMSubArch_v8) + .EndsWith("v8a", Triple::ARMSubArch_v8) + .EndsWith("v7", Triple::ARMSubArch_v7) + .EndsWith("v7a", Triple::ARMSubArch_v7) + .EndsWith("v7em", Triple::ARMSubArch_v7em) + .EndsWith("v7l", Triple::ARMSubArch_v7) + .EndsWith("v7m", Triple::ARMSubArch_v7m) + .EndsWith("v7r", Triple::ARMSubArch_v7) + .EndsWith("v7s", Triple::ARMSubArch_v7s) + .EndsWith("v6", Triple::ARMSubArch_v6) + .EndsWith("v6m", Triple::ARMSubArch_v6m) + .EndsWith("v6t2", Triple::ARMSubArch_v6t2) + .EndsWith("v5", Triple::ARMSubArch_v5) + .EndsWith("v5e", Triple::ARMSubArch_v5) + .EndsWith("v5t", Triple::ARMSubArch_v5) + .EndsWith("v5te", Triple::ARMSubArch_v5te) + .EndsWith("v4t", Triple::ARMSubArch_v4t) + .Default(Triple::NoSubArch); +} + static const char *getObjectFormatTypeName(Triple::ObjectFormatType Kind) { switch (Kind) { case Triple::UnknownObjectFormat: return ""; @@ -383,6 +371,7 @@ static Triple::ObjectFormatType getDefaultFormat(const Triple &T) { Triple::Triple(const Twine &Str) : Data(Str.str()), Arch(parseArch(getArchName())), + SubArch(parseSubArch(getArchName())), Vendor(parseVendor(getVendorName())), OS(parseOS(getOSName())), Environment(parseEnvironment(getEnvironmentName())), @@ -400,6 +389,7 @@ Triple::Triple(const Twine &Str) Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr) : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr).str()), Arch(parseArch(ArchStr.str())), + SubArch(parseSubArch(ArchStr.str())), Vendor(parseVendor(VendorStr.str())), OS(parseOS(OSStr.str())), Environment(), ObjectFormat(Triple::UnknownObjectFormat) { @@ -416,6 +406,7 @@ Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr, : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr + Twine('-') + EnvironmentStr).str()), Arch(parseArch(ArchStr.str())), + SubArch(parseSubArch(ArchStr.str())), Vendor(parseVendor(VendorStr.str())), OS(parseOS(OSStr.str())), Environment(parseEnvironment(EnvironmentStr.str())), @@ -716,7 +707,7 @@ void Triple::getiOSVersion(unsigned &Major, unsigned &Minor, getOSVersion(Major, Minor, Micro); // Default to 5.0 (or 7.0 for arm64). if (Major == 0) - Major = (getArch() == arm64) ? 7 : 5; + Major = (getArch() == aarch64) ? 7 : 5; break; } } @@ -809,8 +800,6 @@ static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) { case llvm::Triple::kalimba: return 32; - case llvm::Triple::arm64: - case llvm::Triple::arm64_be: case llvm::Triple::aarch64: case llvm::Triple::aarch64_be: case llvm::Triple::mips64: @@ -845,8 +834,6 @@ Triple Triple::get32BitArchVariant() const { case Triple::UnknownArch: case Triple::aarch64: case Triple::aarch64_be: - case Triple::arm64: - case Triple::arm64_be: case Triple::msp430: case Triple::systemz: case Triple::ppc64le: @@ -915,8 +902,6 @@ Triple Triple::get64BitArchVariant() const { case Triple::sparcv9: case Triple::systemz: case Triple::x86_64: - case Triple::arm64: - case Triple::arm64_be: // Already 64-bit. break; @@ -930,3 +915,85 @@ Triple Triple::get64BitArchVariant() const { } return T; } + +// FIXME: tblgen this. +const char *Triple::getARMCPUForArch(StringRef MArch) const { + if (MArch.empty()) + MArch = getArchName(); + + switch (getOS()) { + case llvm::Triple::NetBSD: + if (MArch == "armv6") + return "arm1176jzf-s"; + break; + case llvm::Triple::Win32: + // FIXME: this is invalid for WindowsCE + return "cortex-a9"; + default: + break; + } + + const char *result = nullptr; + size_t offset = StringRef::npos; + if (MArch.startswith("arm")) + offset = 3; + if (MArch.startswith("thumb")) + offset = 5; + if (offset != StringRef::npos && MArch.substr(offset, 2) == "eb") + offset += 2; + if (offset != StringRef::npos) + result = llvm::StringSwitch(MArch.substr(offset)) + .Cases("v2", "v2a", "arm2") + .Case("v3", "arm6") + .Case("v3m", "arm7m") + .Case("v4", "strongarm") + .Case("v4t", "arm7tdmi") + .Cases("v5", "v5t", "arm10tdmi") + .Cases("v5e", "v5te", "arm1022e") + .Case("v5tej", "arm926ej-s") + .Cases("v6", "v6k", "arm1136jf-s") + .Case("v6j", "arm1136j-s") + .Cases("v6z", "v6zk", "arm1176jzf-s") + .Case("v6t2", "arm1156t2-s") + .Cases("v6m", "v6-m", "cortex-m0") + .Cases("v7", "v7a", "v7-a", "v7l", "v7-l", "cortex-a8") + .Cases("v7s", "v7-s", "swift") + .Cases("v7r", "v7-r", "cortex-r4") + .Cases("v7m", "v7-m", "cortex-m3") + .Cases("v7em", "v7e-m", "cortex-m4") + .Cases("v8", "v8a", "v8-a", "cortex-a53") + .Default(nullptr); + else + result = llvm::StringSwitch(MArch) + .Case("ep9312", "ep9312") + .Case("iwmmxt", "iwmmxt") + .Case("xscale", "xscale") + .Default(nullptr); + + if (result) + return result; + + // If all else failed, return the most base CPU with thumb interworking + // supported by LLVM. + // FIXME: Should warn once that we're falling back. + switch (getOS()) { + case llvm::Triple::NetBSD: + switch (getEnvironment()) { + case llvm::Triple::GNUEABIHF: + case llvm::Triple::GNUEABI: + case llvm::Triple::EABIHF: + case llvm::Triple::EABI: + return "arm926ej-s"; + default: + return "strongarm"; + } + default: + switch (getEnvironment()) { + case llvm::Triple::EABIHF: + case llvm::Triple::GNUEABIHF: + return "arm1176jzf-s"; + default: + return "arm7tdmi"; + } + } +}