Really big cleanup.
- New target type "mingw" was introduced
- Same things for both mingw & cygwin are marked as "cygming" (as in
gcc)
- .lcomm is supported here, so allow LLVM to use it
- Correctly use underscored versions of setjmp & _longjmp for both mingw
& cygwin


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32833 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index e25e269..6e95e89 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -103,7 +103,9 @@
     break;
 
   case X86Subtarget::isCygwin:
+  case X86Subtarget::isMingw:
     GlobalPrefix = "_";
+    LCOMMDirective = "\t.lcomm\t";
     COMMDirectiveTakesAlignment = false;
     HasDotTypeDotSizeDirective = false;
     StaticCtorsSection = "\t.section .ctors,\"aw\"";