new note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26186 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index 50d87bc173a27d430c27ed1b41e605687c94f277..0e90b12f033f24fe58882503240aa445f6bd8831 100644 (file)
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -443,3 +443,8 @@ It might be better to generate
        movw al, 8(%edx)
        
 when we can spare a register. It reduces code size.
+
+//===---------------------------------------------------------------------===//
+
+Use .zerofill on x86/darwin when appropriate.
+