diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCSubtarget.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCSubtarget.cpp | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp index 82876d70f4..0a1e6a7837 100644 --- a/lib/Target/PowerPC/PPCSubtarget.cpp +++ b/lib/Target/PowerPC/PPCSubtarget.cpp @@ -67,8 +67,8 @@ PPCSubtarget::PPCSubtarget(const TargetMachine &tm, const Module &M, , HasAltivec(false) , HasFSQRT(false) , HasSTFIWX(false) - , IsDarwin(false) - , HasLazyResolverStubs(false) { + , HasLazyResolverStubs(false) + , DarwinVers(0) { // Determine default and user specified characteristics std::string CPU = "generic"; @@ -100,17 +100,29 @@ PPCSubtarget::PPCSubtarget(const TargetMachine &tm, const Module &M, // Set the boolean corresponding to the current target triple, or the default // if one cannot be determined, to true. - const std::string& TT = M.getTargetTriple(); - if (TT.length() > 5) { - IsDarwin = TT.find("-darwin") != std::string::npos; + const std::string &TT = M.getTargetTriple(); + if (TT.length() > 7) { + // Determine which version of darwin this is. + unsigned DarwinPos = TT.find("-darwin"); + if (DarwinPos != std::string::npos) { + if (isdigit(TT[DarwinPos+7])) + DarwinVers = atoi(&TT[DarwinPos+7]); + else + DarwinVers = 8; // Minimum supported darwin is Tiger. + } } else if (TT.empty()) { + // Try to autosense the subtarget from the host compiler. #if defined(__APPLE__) - IsDarwin = true; +#if __APPLE_CC__ > 5400 + DarwinVers = 9; // GCC 5400+ is Leopard. +#else + DarwinVers = 8; // Minimum supported darwin is Tiger. +#endif #endif } // Set up darwin-specific properties. - if (IsDarwin) { + if (isDarwin()) { HasLazyResolverStubs = true; AsmFlavor = NewMnemonic; } else { |