1 files changed, 46 insertions, 3 deletions
diff --git a/lib/Basic/Targets/OSTargets.h b/lib/Basic/Targets/OSTargets.h
index d0354784acf9..085efa02cc5f 100644
--- a/lib/Basic/Targets/OSTargets.h
+++ b/lib/Basic/Targets/OSTargets.h
@@ -133,6 +133,15 @@ public:
   /// is very similar to ELF's "protected";  Darwin requires a "weak"
   /// attribute on declarations that can be dynamically replaced.
   bool hasProtectedVisibility() const override { return false; }
+
+  TargetInfo::IntType getLeastIntTypeByWidth(unsigned BitWidth,
+                                             bool IsSigned) const final {
+    // Darwin uses `long long` for `int_least64_t` and `int_fast64_t`.
+    return BitWidth == 64
+               ? (IsSigned ? TargetInfo::SignedLongLong
+                           : TargetInfo::UnsignedLongLong)
+               : TargetInfo::getLeastIntTypeByWidth(BitWidth, IsSigned);
+  }
 };
 
 // DragonFlyBSD Target
@@ -257,6 +266,8 @@ protected:
     Builder.defineMacro("__HAIKU__");
     Builder.defineMacro("__ELF__");
     DefineStd(Builder, "unix", Opts);
+    if (this->HasFloat128) 
+      Builder.defineMacro("__FLOAT128__");
   }
 
 public:
@@ -267,7 +278,38 @@ public:
     this->PtrDiffType = TargetInfo::SignedLong;
     this->ProcessIDType = TargetInfo::SignedLong;
     this->TLSSupported = false;
+    switch (Triple.getArch()) {
+    default:
+      break;
+    case llvm::Triple::x86:
+    case llvm::Triple::x86_64:
+      this->HasFloat128 = true;
+      break;
+    }
+  }
+};
+
+// Hurd target
+template <typename Target>
+class LLVM_LIBRARY_VISIBILITY HurdTargetInfo : public OSTargetInfo<Target> {
+protected:
+  void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
+                    MacroBuilder &Builder) const override {
+    // Hurd defines; list based off of gcc output.
+    DefineStd(Builder, "unix", Opts);
+    Builder.defineMacro("__GNU__");
+    Builder.defineMacro("__gnu_hurd__");
+    Builder.defineMacro("__MACH__");
+    Builder.defineMacro("__GLIBC__");
+    Builder.defineMacro("__ELF__");
+    if (Opts.POSIXThreads)
+      Builder.defineMacro("_REENTRANT");
+    if (Opts.CPlusPlus)
+      Builder.defineMacro("_GNU_SOURCE");
   }
+public:
+  HurdTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+      : OSTargetInfo<Target>(Triple, Opts) {}
 };
 
 // Minix Target
@@ -303,7 +345,6 @@ protected:
     // Linux defines; list based off of gcc output
     DefineStd(Builder, "unix", Opts);
     DefineStd(Builder, "linux", Opts);
-    Builder.defineMacro("__gnu_linux__");
     Builder.defineMacro("__ELF__");
     if (Triple.isAndroid()) {
       Builder.defineMacro("__ANDROID__", "1");
@@ -313,6 +354,8 @@ protected:
       this->PlatformMinVersion = VersionTuple(Maj, Min, Rev);
       if (Maj)
         Builder.defineMacro("__ANDROID_API__", Twine(Maj));
+    } else {
+        Builder.defineMacro("__gnu_linux__");
     }
     if (Opts.POSIXThreads)
       Builder.defineMacro("_REENTRANT");
@@ -341,7 +384,6 @@ public:
       break;
     case llvm::Triple::x86:
     case llvm::Triple::x86_64:
-    case llvm::Triple::systemz:
       this->HasFloat128 = true;
       break;
     }
@@ -397,7 +439,7 @@ public:
     case llvm::Triple::x86:
     case llvm::Triple::x86_64:
       this->HasFloat128 = true;
-      // FALLTHROUGH
+      LLVM_FALLTHROUGH;
     default:
       this->MCountName = "__mcount";
       break;
@@ -643,6 +685,7 @@ public:
   WindowsTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
       : OSTargetInfo<Target>(Triple, Opts) {
     this->WCharType = TargetInfo::UnsignedShort;
+    this->WIntType = TargetInfo::UnsignedShort;
   }
 };