diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index bf72a13..094fc99 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -7000,6 +7000,8 @@ struct aarch64_cpu_option_table
    recognized by GCC.  */
 static const struct aarch64_cpu_option_table aarch64_cpus[] = {
   {"all", AARCH64_ANY, NULL},
+  {"cortex-a53",	AARCH64_ARCH_V8, "Cortex-A53"},
+  {"cortex-a57",	AARCH64_ARCH_V8, "Cortex-A57"},
   {"generic", AARCH64_ARCH_V8, NULL},
 
   /* These two are example CPUs supported in GCC, once we have real