diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 6b43ecb..992b090 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -58,7 +58,7 @@
   UsedDirective = "\t.no_dead_strip\t";
   WeakRefDirective = "\t.weak_reference\t";
   HiddenDirective = "\t.private_extern\t";
-  SupportsExceptionHandling = true;
+  SupportsExceptionHandling = false;
   NeedsIndirectEncoding = true;
   BSSSection = 0;
 
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index 060e00d..05cf2bf 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -101,7 +101,8 @@
     DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
 
     // Exceptions handling
-    SupportsExceptionHandling = true;
+    if (!Subtarget->is64Bit())
+      SupportsExceptionHandling = true;
     AbsoluteEHSectionOffsets = false;
     DwarfEHFrameSection =
     ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";