Fix "long double" and __SIZE_TYPE__ on powerpc, now with test fix.

Fixes PR11867. Patch from Jeremy Huddleston!



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149334 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 39bb869..066439c 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -570,7 +570,10 @@
   static const char * const GCCRegNames[];
   static const TargetInfo::GCCRegAlias GCCRegAliases[];
 public:
-  PPCTargetInfo(const std::string& triple) : TargetInfo(triple) {}
+  PPCTargetInfo(const std::string& triple) : TargetInfo(triple) {
+    LongDoubleWidth = LongDoubleAlign = 128;
+    LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble;
+  }
 
   virtual void getTargetBuiltins(const Builtin::Info *&Records,
                                  unsigned &NumRecords) const {
@@ -854,6 +857,7 @@
                         "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;