diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2c498a6bcea..da2f91f7a8c 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2021-04-19  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+	* testsuite/gas/aarch64/rme.d: Update test.
+	* testsuite/gas/aarch64/rme.s: Update test.
+
 2021-04-19  Jan Beulich  <jbeulich@suse.com>
 
 	* as.h (sprint_value): Delete.
diff --git a/gas/testsuite/gas/aarch64/rme.d b/gas/testsuite/gas/aarch64/rme.d
index 3667e870340..89bedb85dba 100644
--- a/gas/testsuite/gas/aarch64/rme.d
+++ b/gas/testsuite/gas/aarch64/rme.d
@@ -12,3 +12,5 @@ Disassembly of section \.text:
    8:	d53e2180 	mrs	x0, gptbr_el3
    c:	d51e21c0 	msr	gpccr_el3, x0
   10:	d51e2180 	msr	gptbr_el3, x0
+  14:	d50e7e20 	dc	cipapa, x0
+  18:	d50e7ea0 	dc	cigdpapa, x0
diff --git a/gas/testsuite/gas/aarch64/rme.s b/gas/testsuite/gas/aarch64/rme.s
index 89ee3a8260a..b9a915df1d8 100644
--- a/gas/testsuite/gas/aarch64/rme.s
+++ b/gas/testsuite/gas/aarch64/rme.s
@@ -8,3 +8,7 @@ mrs x0, gptbr_el3
 /* Write to RME system registers.  */
 msr gpccr_el3, x0
 msr gptbr_el3, x0
+
+/* RME data cache maintenance operations.   */
+dc cipapa, x0
+dc cigdpapa, x0
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 5dc51cd21b0..5bae9d06e69 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2021-04-19  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+	* aarch64-opc.c: Add new register (CIPAPA, CIGDPAPA) support for
+	DC instruction.
+
 2021-04-19  Jan Beulich  <jbeulich@suse.com>
 
 	* aarch64-asm.c (encode_asimd_fcvt): Add initializer for
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index 8727def17f4..b315a82b14e 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -4763,6 +4763,8 @@ const aarch64_sys_ins_reg aarch64_sys_regs_dc[] =
     { "cisw",       CPENS (0, C7, C14, 2), F_HASXT },
     { "cigsw",      CPENS (0, C7, C14, 4), F_HASXT | F_ARCHEXT },
     { "cigdsw",     CPENS (0, C7, C14, 6), F_HASXT | F_ARCHEXT },
+    { "cipapa",     CPENS (6, C7, C14, 1), F_HASXT },
+    { "cigdpapa",   CPENS (6, C7, C14, 5), F_HASXT },
     { 0,       CPENS(0,0,0,0), 0 }
 };