diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 0fdf85015857e961a0a3a3c92dae5bedec94043f..017bb8075ac56dca43412eba6c309cf8301688c8 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -30981,17 +30981,18 @@ Permissible values for this option are: @samp{sifive-e20}, @samp{sifive-e21},
 @samp{sifive-e24}, @samp{sifive-e31}, @samp{sifive-e34}, @samp{sifive-e76},
 @samp{sifive-s21}, @samp{sifive-s51}, @samp{sifive-s54}, @samp{sifive-s76},
 @samp{sifive-u54}, @samp{sifive-u74}, @samp{sifive-x280}, @samp{sifive-xp450},
-@samp{sifive-x670}.
+@samp{sifive-x670}, @samp{thead-c906}, @samp{xiangshan-nanhu}.
 
 Note that @option{-mcpu} does not override @option{-march} or @option{-mtune}.
 
 @opindex mtune
 @item -mtune=@var{processor-string}
 Optimize the output for the given processor, specified by microarchitecture or
-particular CPU name.  Permissible values for this option are: @samp{rocket},
-@samp{sifive-3-series}, @samp{sifive-5-series}, @samp{sifive-7-series},
-@samp{thead-c906}, @samp{size}, @samp{sifive-p400-series},
-@samp{sifive-p600-series}, and all valid options for @option{-mcpu=}.
+particular CPU name.  Permissible values for this option are:
+@samp{generic-ooo}, @samp{rocket}, @samp{sifive-3-series},
+@samp{sifive-5-series}, @samp{sifive-7-series}, @samp{size},
+@samp{sifive-p400-series}, @samp{sifive-p600-series}, and all valid options for
+@option{-mcpu=}.
 
 When @option{-mtune=} is not specified, use the setting from @option{-mcpu},
 the default is @samp{rocket} if both are not specified.