diff --git a/llvm/docs/CommandGuide/llc.rst b/llvm/docs/CommandGuide/llc.rst
--- a/llvm/docs/CommandGuide/llc.rst
+++ b/llvm/docs/CommandGuide/llc.rst
@@ -112,6 +112,14 @@
 
  Enable optimizations that assume no NAN values.
 
+.. option:: --enable-no-signed-zeros-fp-math
+
+ Enable FP math optimizations that assume the sign of 0 is insignificant.
+
+.. option:: --enable-no-trapping-fp-math
+
+ Enable setting the FP exceptions build attribute not to use exceptions.
+
 .. option:: --enable-unsafe-fp-math
 
  Enable optimizations that make unsafe assumptions about IEEE math (e.g. that