diff --git a/gcc/config/arm/arm-cpus.in b/gcc/config/arm/arm-cpus.in
index 0820ad74c2e75f209bf09ef598c23cdd6116d29d..281ec162db8c982128462d8efac2be1d21959cf7 100644
--- a/gcc/config/arm/arm-cpus.in
+++ b/gcc/config/arm/arm-cpus.in
@@ -114,9 +114,12 @@ define feature iwmmxt2
 # Architecture rel 8.1.
 define feature armv8_1
 
-# Architecutre rel 8.2.
+# Architecture rel 8.2.
 define feature armv8_2
 
+# Architecture rel 8.3.
+define feature armv8_3
+
 # M-Profile security extensions.
 define feature cmse
 
@@ -238,6 +241,7 @@ define fgroup ARMv7em     ARMv7m armv7em
 define fgroup ARMv8a      ARMv7ve armv8
 define fgroup ARMv8_1a    ARMv8a crc32 armv8_1
 define fgroup ARMv8_2a    ARMv8_1a armv8_2
+define fgroup ARMv8_3a    ARMv8_2a armv8_3
 define fgroup ARMv8m_base ARMv6m armv8 cmse tdiv
 define fgroup ARMv8m_main ARMv7m armv8 cmse
 define fgroup ARMv8r      ARMv8a
@@ -579,6 +583,20 @@ begin arch armv8.2-a
  option dotprod add FP_ARMv8 DOTPROD
 end arch armv8.2-a
 
+begin arch armv8.3-a
+ tune for cortex-a53
+ tune flags CO_PROC
+ base 8A
+ profile A
+ isa ARMv8_3a
+ option simd add FP_ARMv8 NEON
+ option fp16 add fp16 FP_ARMv8 NEON
+ option crypto add FP_ARMv8 CRYPTO
+ option nocrypto remove ALL_CRYPTO
+ option nofp remove ALL_FP
+ option dotprod add FP_ARMv8 DOTPROD
+end arch armv8.3-a
+
 begin arch armv8-m.base
  tune for cortex-m23
  base 8M_BASE
diff --git a/gcc/config/arm/arm-tables.opt b/gcc/config/arm/arm-tables.opt
index 4e508b1555a77628ff6e7cfea39c98b87caa840a..f7937256cd79296ba33d109232bcf0d6f7b03917 100644
--- a/gcc/config/arm/arm-tables.opt
+++ b/gcc/config/arm/arm-tables.opt
@@ -452,19 +452,22 @@ EnumValue
 Enum(arm_arch) String(armv8.2-a) Value(28)
 
 EnumValue
-Enum(arm_arch) String(armv8-m.base) Value(29)
+Enum(arm_arch) String(armv8.3-a) Value(29)
 
 EnumValue
-Enum(arm_arch) String(armv8-m.main) Value(30)
+Enum(arm_arch) String(armv8-m.base) Value(30)
 
 EnumValue
-Enum(arm_arch) String(armv8-r) Value(31)
+Enum(arm_arch) String(armv8-m.main) Value(31)
 
 EnumValue
-Enum(arm_arch) String(iwmmxt) Value(32)
+Enum(arm_arch) String(armv8-r) Value(32)
 
 EnumValue
-Enum(arm_arch) String(iwmmxt2) Value(33)
+Enum(arm_arch) String(iwmmxt) Value(33)
+
+EnumValue
+Enum(arm_arch) String(iwmmxt2) Value(34)
 
 Enum
 Name(arm_fpu) Type(enum fpu_type)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2ef88e081f982f5619132cc33ce23c3fb542ae11..b03388080e7f14411468c4f4d39b82478255ef7e 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -15473,7 +15473,7 @@ Permissible names are:
 @samp{armv6}, @samp{armv6j}, @samp{armv6k}, @samp{armv6kz}, @samp{armv6t2},
 @samp{armv6z}, @samp{armv6zk},
 @samp{armv7}, @samp{armv7-a}, @samp{armv7ve}, 
-@samp{armv8-a}, @samp{armv8.1-a}, @samp{armv8.2-a},
+@samp{armv8-a}, @samp{armv8.1-a}, @samp{armv8.2-a}, @samp{armv8.3-a},
 @samp{armv7-r},
 @samp{armv8-r},
 @samp{armv6-m}, @samp{armv6s-m},