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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30406 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index 72223d14e41e973952cb1a32f935a6b6fc724b7a..b6add7a494dc00bf337b084265d3ab13f1b4bd13 100644 (file)
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -18,6 +18,9 @@ long long test(int X, int Y) { return (long long)X*Y; }
 
 ... which should only be one imul instruction.
 
+This can be done with a custom expander, but it would be nice to move this to
+generic code.
+
 //===---------------------------------------------------------------------===//
 
 This should be one DIV/IDIV instruction, not a libcall: