diff --git a/llvm/lib/Target/X86/README.txt b/llvm/lib/Target/X86/README.txt
index 6f6abd478dbf..80368546c996 100644
--- a/llvm/lib/Target/X86/README.txt
+++ b/llvm/lib/Target/X86/README.txt
@@ -1709,3 +1709,10 @@ _test:
 it would be better to codegen as: x+~y  (notl+addl)
 
 //===---------------------------------------------------------------------===//
+
+We should consider using __i686.get_pc_thunk.bx for MOVPC32r (used for PIC)
+on targets that support it, such as Linux and similar targets, in place of
+the call-a-label trick. It's said to be friendlier to branch-prediction
+hardware because it pairs a ret with the call.
+
+//===---------------------------------------------------------------------===//