X86 / Cygwin asm / alignment fixes.
Patch contributed by Anton Korobeynikov!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28480 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 756b6b7..cafa09c 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -182,6 +182,6 @@
 #endif
   }
 
-  if (TargetType == isDarwin)
+  if (TargetType == isDarwin || TargetType == isCygwin)
     stackAlignment = 16;
 }