arm: document -march=armv9.[123]-a binutils options

diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index 943814a..3a57c12 100644 (file)
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -269,6 +269,9 @@ names are recognized:
 @code{armv8.7-a},
 @code{armv8.8-a},
 @code{armv9-a},
+@code{armv9.1-a},
+@code{armv9.2-a},
+@code{armv9.3-a},
 @code{iwmmxt},
 @code{iwmmxt2}
 and