diff options
Diffstat (limited to 'lib/Target/X86/X86Subtarget.cpp')
-rw-r--r-- | lib/Target/X86/X86Subtarget.cpp | 56 |
1 files changed, 8 insertions, 48 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp index 9d877c9..de30c75 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -257,17 +257,17 @@ void X86Subtarget::initializeEnvironment() { HasVLX = false; HasADX = false; HasSHA = false; - HasSGX = false; HasPRFCHW = false; HasRDSEED = false; - HasSMAP = false; IsBTMemSlow = false; IsSHLDSlow = false; IsUAMemFast = false; - HasVectorUAMem = false; + IsUAMem32Slow = false; + HasSSEUnalignedMem = false; HasCmpxchg16b = false; UseLeaForSP = false; - HasSlowDivide = false; + HasSlowDivide32 = false; + HasSlowDivide64 = false; PadShortFunctions = false; CallRegIndirect = false; LEAUsesAG = false; @@ -280,46 +280,6 @@ void X86Subtarget::initializeEnvironment() { MaxInlineSizeThreshold = 128; } -static std::string computeDataLayout(const Triple &TT) { - // X86 is little endian - std::string Ret = "e"; - - Ret += DataLayout::getManglingComponent(TT); - // X86 and x32 have 32 bit pointers. - if ((TT.isArch64Bit() && - (TT.getEnvironment() == Triple::GNUX32 || TT.isOSNaCl())) || - !TT.isArch64Bit()) - Ret += "-p:32:32"; - - // Some ABIs align 64 bit integers and doubles to 64 bits, others to 32. - if (TT.isArch64Bit() || TT.isOSWindows() || TT.isOSNaCl()) - Ret += "-i64:64"; - else - Ret += "-f64:32:64"; - - // Some ABIs align long double to 128 bits, others to 32. - if (TT.isOSNaCl()) - ; // No f80 - else if (TT.isArch64Bit() || TT.isOSDarwin()) - Ret += "-f80:128"; - else - Ret += "-f80:32"; - - // The registers can hold 8, 16, 32 or, in x86-64, 64 bits. - if (TT.isArch64Bit()) - Ret += "-n8:16:32:64"; - else - Ret += "-n8:16:32"; - - // The stack is aligned to 32 bits on some ABIs and 128 bits on others. - if (!TT.isArch64Bit() && TT.isOSWindows()) - Ret += "-S32"; - else - Ret += "-S128"; - - return Ret; -} - X86Subtarget &X86Subtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) { initializeEnvironment(); @@ -332,16 +292,16 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &CPU, unsigned StackAlignOverride) : X86GenSubtargetInfo(TT, CPU, FS), X86ProcFamily(Others), PICStyle(PICStyles::None), TargetTriple(TT), - DL(computeDataLayout(TargetTriple)), StackAlignOverride(StackAlignOverride), In64BitMode(TargetTriple.getArch() == Triple::x86_64), In32BitMode(TargetTriple.getArch() == Triple::x86 && TargetTriple.getEnvironment() != Triple::CODE16), In16BitMode(TargetTriple.getArch() == Triple::x86 && TargetTriple.getEnvironment() == Triple::CODE16), - TSInfo(DL), InstrInfo(initializeSubtargetDependencies(CPU, FS)), - TLInfo(TM), FrameLowering(TargetFrameLowering::StackGrowsDown, - getStackAlignment(), is64Bit() ? -8 : -4) { + TSInfo(*TM.getDataLayout()), + InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), + FrameLowering(TargetFrameLowering::StackGrowsDown, getStackAlignment(), + is64Bit() ? -8 : -4) { // Determine the PICStyle based on the target selected. if (TM.getRelocationModel() == Reloc::Static) { // Unless we're in PIC or DynamicNoPIC mode, set the PIC style to None. |