diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 59101d8..4cbad01 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -9488,7 +9488,7 @@ ix86_expand_split_stack_prologue (void)
 
   ix86_finalize_stack_frame_flags ();
   struct ix86_frame &frame = cfun->machine->frame;
-  allocate = frame.stack_pointer_offset - INCOMING_FRAME_SP_OFFSET;
+  allocate = frame.stack_pointer_offset - INCOMING_FRAME_SP_OFFSET + 64 * 1024;
 
   /* This is the label we will branch to if we have enough stack
      space.  We expect the basic block reordering pass to reverse this
diff --git a/libgcc/config/i386/morestack.S b/libgcc/config/i386/morestack.S
index 519bbbc..0f0a79e 100644
--- a/libgcc/config/i386/morestack.S
+++ b/libgcc/config/i386/morestack.S
@@ -84,7 +84,7 @@
 
 
 # The amount of space we ask for when calling non-split-stack code.
-#define NON_SPLIT_STACK 0x100000
+#define NON_SPLIT_STACK 0x8000
 
 # This entry point is for split-stack code which calls non-split-stack
 # code.  When the linker sees this case, it converts the call to