[PATCH v4 4/4] aarch64: Add support for POE2 PLBI instruction.

Srinath Parvathaneni srinath.parvathaneni@arm.com
Wed Dec 17 12:32:37 GMT 2025
This patch adds support for PLB invalidate operation (PLBI) instruction
and the corresponding system registers as operand (<plbi_op>).

Syntax: PLBI <plbi_op>{, <Xt>}

This instruction is an alias to "SYS #<op1>, C10, <Cm>, #<op2>{, <Xt>}"
and PLBI being the preferred disassembly.

The following list of system registers are supported in this patch for the
PLBI instructions enabled by "+poe2" flag and also the "nxs" variants of
these system registers are enabled by "+poe2+xs" flag.

   * alle1
   * alle1is
   * alle1os
   * alle2
   * alle2is
   * alle2os
   * alle3
   * alle3is
   * alle3os
   * aside1
   * aside1is
   * aside1os
   * permae1
   * permae1is
   * permae1os
   * perme1
   * perme1is
   * perme1os
   * perme2
   * perme2is
   * perme2os
   * perme3
   * perme3is
   * perme3os
   * vmalle1
   * vmalle1is
   * vmalle1os

Regression tested for aarch64-none-elf target and found no regressions.

Ok for binutils-master?

Regards,
Srinath
---
 gas/config/tc-aarch64.c                    |  12 +
 gas/testsuite/gas/aarch64/plbi-1.d         | 183 +++++++++++
 gas/testsuite/gas/aarch64/plbi-1.s         |  11 +
 gas/testsuite/gas/aarch64/plbi-invalid-1.d |   3 +
 gas/testsuite/gas/aarch64/plbi-invalid-1.l |  79 +++++
 gas/testsuite/gas/aarch64/plbi-invalid-1.s |  11 +
 gas/testsuite/gas/aarch64/plbi-invalid-2.d |   4 +
 gas/testsuite/gas/aarch64/plbi-invalid-2.l | 349 +++++++++++++++++++++
 gas/testsuite/gas/aarch64/plbi-invalid-3.d |   4 +
 gas/testsuite/gas/aarch64/plbi-invalid-3.l |  88 ++++++
 include/opcode/aarch64.h                   |   2 +
 opcodes/aarch64-asm-2.c                    |   2 +
 opcodes/aarch64-dis-2.c                    |   6 +-
 opcodes/aarch64-dis.c                      |   1 +
 opcodes/aarch64-opc-2.c                    |   1 +
 opcodes/aarch64-opc.c                      |  38 +++
 opcodes/aarch64-tbl-2.h                    |   1 +
 opcodes/aarch64-tbl.h                      |  15 +-
 18 files changed, 803 insertions(+), 7 deletions(-)
 create mode 100644 gas/testsuite/gas/aarch64/plbi-1.d
 create mode 100644 gas/testsuite/gas/aarch64/plbi-1.s
 create mode 100644 gas/testsuite/gas/aarch64/plbi-invalid-1.d
 create mode 100644 gas/testsuite/gas/aarch64/plbi-invalid-1.l
 create mode 100644 gas/testsuite/gas/aarch64/plbi-invalid-1.s
 create mode 100644 gas/testsuite/gas/aarch64/plbi-invalid-2.d
 create mode 100644 gas/testsuite/gas/aarch64/plbi-invalid-2.l
 create mode 100644 gas/testsuite/gas/aarch64/plbi-invalid-3.d
 create mode 100644 gas/testsuite/gas/aarch64/plbi-invalid-3.l

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index f9d79fa76bb..e65ecaaff81 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -559,6 +559,7 @@ static htab_t aarch64_sys_regs_ic_hsh;
 static htab_t aarch64_sys_regs_dc_hsh;
 static htab_t aarch64_sys_regs_at_hsh;
 static htab_t aarch64_sys_regs_tlbi_hsh;
+static htab_t aarch64_sys_regs_plbi_hsh;
 static htab_t aarch64_sys_regs_sr_hsh;
 static htab_t aarch64_reg_hsh;
 static htab_t aarch64_barrier_opt_hsh;
@@ -8111,6 +8112,11 @@ parse_operands (char *str, const aarch64_opcode *opcode)
 	    parse_sys_ins_reg (&str, aarch64_sys_regs_tlbi_hsh, false);
 	  goto sys_reg_ins;
 
+	case AARCH64_OPND_SYSREG_PLBI:
+	  inst.base.operands[i].sysins_op =
+	    parse_sys_ins_reg (&str, aarch64_sys_regs_plbi_hsh, false);
+	  goto sys_reg_ins;
+
 	case AARCH64_OPND_SYSREG_TLBIP:
 	  inst.base.operands[i].sysins_op =
 	    parse_sys_ins_reg (&str, aarch64_sys_regs_tlbi_hsh, true);
@@ -10474,6 +10480,7 @@ md_begin (void)
   aarch64_sys_regs_dc_hsh = str_htab_create ();
   aarch64_sys_regs_at_hsh = str_htab_create ();
   aarch64_sys_regs_tlbi_hsh = str_htab_create ();
+  aarch64_sys_regs_plbi_hsh = str_htab_create ();
   aarch64_sys_regs_sr_hsh = str_htab_create ();
   aarch64_reg_hsh = str_htab_create ();
   aarch64_barrier_opt_hsh = str_htab_create ();
@@ -10515,6 +10522,11 @@ md_begin (void)
 			aarch64_sys_regs_tlbi[i].name,
 			aarch64_sys_regs_tlbi + i);
 
+  for (i = 0; aarch64_sys_regs_plbi[i].name != NULL; i++)
+    sysreg_hash_insert (aarch64_sys_regs_plbi_hsh,
+			aarch64_sys_regs_plbi[i].name,
+			aarch64_sys_regs_plbi + i);
+
   for (i = 0; aarch64_sys_regs_sr[i].name != NULL; i++)
     sysreg_hash_insert (aarch64_sys_regs_sr_hsh,
 			aarch64_sys_regs_sr[i].name,
diff --git a/gas/testsuite/gas/aarch64/plbi-1.d b/gas/testsuite/gas/aarch64/plbi-1.d
new file mode 100644
index 00000000000..9d08fa3e9aa
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-1.d
@@ -0,0 +1,183 @@
+#as: -march=armv8-a+poe2+xs
+#objdump: -dr
+
+[^:]+:     file format .*
+
+
+[^:]+:
+
+[^:]+:
+.*:	d508a11f 	plbi	vmalle1os
+.*:	d508a91f 	plbi	vmalle1osnxs
+.*:	d508a31f 	plbi	vmalle1is
+.*:	d508ab1f 	plbi	vmalle1isnxs
+.*:	d508a71f 	plbi	vmalle1
+.*:	d508af1f 	plbi	vmalle1nxs
+.*:	d50ca11f 	plbi	alle2os
+.*:	d50ca91f 	plbi	alle2osnxs
+.*:	d50ca19f 	plbi	alle1os
+.*:	d50ca99f 	plbi	alle1osnxs
+.*:	d50ca31f 	plbi	alle2is
+.*:	d50cab1f 	plbi	alle2isnxs
+.*:	d50ca39f 	plbi	alle1is
+.*:	d50cab9f 	plbi	alle1isnxs
+.*:	d50ca71f 	plbi	alle2
+.*:	d50caf1f 	plbi	alle2nxs
+.*:	d50ca79f 	plbi	alle1
+.*:	d50caf9f 	plbi	alle1nxs
+.*:	d50ea11f 	plbi	alle3os
+.*:	d50ea91f 	plbi	alle3osnxs
+.*:	d50ea31f 	plbi	alle3is
+.*:	d50eab1f 	plbi	alle3isnxs
+.*:	d50ea71f 	plbi	alle3
+.*:	d50eaf1f 	plbi	alle3nxs
+.*:	d508a120 	plbi	perme1os, x0
+.*:	d508a920 	plbi	perme1osnxs, x0
+.*:	d508a123 	plbi	perme1os, x3
+.*:	d508a923 	plbi	perme1osnxs, x3
+.*:	d508a12f 	plbi	perme1os, x15
+.*:	d508a92f 	plbi	perme1osnxs, x15
+.*:	d508a13a 	plbi	perme1os, x26
+.*:	d508a93a 	plbi	perme1osnxs, x26
+.*:	d508a13f 	plbi	perme1os, xzr
+.*:	d508a93f 	plbi	perme1osnxs, xzr
+.*:	d508a140 	plbi	aside1os, x0
+.*:	d508a940 	plbi	aside1osnxs, x0
+.*:	d508a143 	plbi	aside1os, x3
+.*:	d508a943 	plbi	aside1osnxs, x3
+.*:	d508a14f 	plbi	aside1os, x15
+.*:	d508a94f 	plbi	aside1osnxs, x15
+.*:	d508a15a 	plbi	aside1os, x26
+.*:	d508a95a 	plbi	aside1osnxs, x26
+.*:	d508a15f 	plbi	aside1os, xzr
+.*:	d508a95f 	plbi	aside1osnxs, xzr
+.*:	d508a160 	plbi	permae1os, x0
+.*:	d508a960 	plbi	permae1osnxs, x0
+.*:	d508a163 	plbi	permae1os, x3
+.*:	d508a963 	plbi	permae1osnxs, x3
+.*:	d508a16f 	plbi	permae1os, x15
+.*:	d508a96f 	plbi	permae1osnxs, x15
+.*:	d508a17a 	plbi	permae1os, x26
+.*:	d508a97a 	plbi	permae1osnxs, x26
+.*:	d508a17f 	plbi	permae1os, xzr
+.*:	d508a97f 	plbi	permae1osnxs, xzr
+.*:	d508a320 	plbi	perme1is, x0
+.*:	d508ab20 	plbi	perme1isnxs, x0
+.*:	d508a323 	plbi	perme1is, x3
+.*:	d508ab23 	plbi	perme1isnxs, x3
+.*:	d508a32f 	plbi	perme1is, x15
+.*:	d508ab2f 	plbi	perme1isnxs, x15
+.*:	d508a33a 	plbi	perme1is, x26
+.*:	d508ab3a 	plbi	perme1isnxs, x26
+.*:	d508a33f 	plbi	perme1is, xzr
+.*:	d508ab3f 	plbi	perme1isnxs, xzr
+.*:	d508a340 	plbi	aside1is, x0
+.*:	d508ab40 	plbi	aside1isnxs, x0
+.*:	d508a343 	plbi	aside1is, x3
+.*:	d508ab43 	plbi	aside1isnxs, x3
+.*:	d508a34f 	plbi	aside1is, x15
+.*:	d508ab4f 	plbi	aside1isnxs, x15
+.*:	d508a35a 	plbi	aside1is, x26
+.*:	d508ab5a 	plbi	aside1isnxs, x26
+.*:	d508a35f 	plbi	aside1is, xzr
+.*:	d508ab5f 	plbi	aside1isnxs, xzr
+.*:	d508a360 	plbi	permae1is, x0
+.*:	d508ab60 	plbi	permae1isnxs, x0
+.*:	d508a363 	plbi	permae1is, x3
+.*:	d508ab63 	plbi	permae1isnxs, x3
+.*:	d508a36f 	plbi	permae1is, x15
+.*:	d508ab6f 	plbi	permae1isnxs, x15
+.*:	d508a37a 	plbi	permae1is, x26
+.*:	d508ab7a 	plbi	permae1isnxs, x26
+.*:	d508a37f 	plbi	permae1is, xzr
+.*:	d508ab7f 	plbi	permae1isnxs, xzr
+.*:	d508a720 	plbi	perme1, x0
+.*:	d508af20 	plbi	perme1nxs, x0
+.*:	d508a723 	plbi	perme1, x3
+.*:	d508af23 	plbi	perme1nxs, x3
+.*:	d508a72f 	plbi	perme1, x15
+.*:	d508af2f 	plbi	perme1nxs, x15
+.*:	d508a73a 	plbi	perme1, x26
+.*:	d508af3a 	plbi	perme1nxs, x26
+.*:	d508a73f 	plbi	perme1, xzr
+.*:	d508af3f 	plbi	perme1nxs, xzr
+.*:	d508a740 	plbi	aside1, x0
+.*:	d508af40 	plbi	aside1nxs, x0
+.*:	d508a743 	plbi	aside1, x3
+.*:	d508af43 	plbi	aside1nxs, x3
+.*:	d508a74f 	plbi	aside1, x15
+.*:	d508af4f 	plbi	aside1nxs, x15
+.*:	d508a75a 	plbi	aside1, x26
+.*:	d508af5a 	plbi	aside1nxs, x26
+.*:	d508a75f 	plbi	aside1, xzr
+.*:	d508af5f 	plbi	aside1nxs, xzr
+.*:	d508a760 	plbi	permae1, x0
+.*:	d508af60 	plbi	permae1nxs, x0
+.*:	d508a763 	plbi	permae1, x3
+.*:	d508af63 	plbi	permae1nxs, x3
+.*:	d508a76f 	plbi	permae1, x15
+.*:	d508af6f 	plbi	permae1nxs, x15
+.*:	d508a77a 	plbi	permae1, x26
+.*:	d508af7a 	plbi	permae1nxs, x26
+.*:	d508a77f 	plbi	permae1, xzr
+.*:	d508af7f 	plbi	permae1nxs, xzr
+.*:	d50ca120 	plbi	perme2os, x0
+.*:	d50ca920 	plbi	perme2osnxs, x0
+.*:	d50ca123 	plbi	perme2os, x3
+.*:	d50ca923 	plbi	perme2osnxs, x3
+.*:	d50ca12f 	plbi	perme2os, x15
+.*:	d50ca92f 	plbi	perme2osnxs, x15
+.*:	d50ca13a 	plbi	perme2os, x26
+.*:	d50ca93a 	plbi	perme2osnxs, x26
+.*:	d50ca13f 	plbi	perme2os, xzr
+.*:	d50ca93f 	plbi	perme2osnxs, xzr
+.*:	d50ca320 	plbi	perme2is, x0
+.*:	d50cab20 	plbi	perme2isnxs, x0
+.*:	d50ca323 	plbi	perme2is, x3
+.*:	d50cab23 	plbi	perme2isnxs, x3
+.*:	d50ca32f 	plbi	perme2is, x15
+.*:	d50cab2f 	plbi	perme2isnxs, x15
+.*:	d50ca33a 	plbi	perme2is, x26
+.*:	d50cab3a 	plbi	perme2isnxs, x26
+.*:	d50ca33f 	plbi	perme2is, xzr
+.*:	d50cab3f 	plbi	perme2isnxs, xzr
+.*:	d50ca720 	plbi	perme2, x0
+.*:	d50caf20 	plbi	perme2nxs, x0
+.*:	d50ca723 	plbi	perme2, x3
+.*:	d50caf23 	plbi	perme2nxs, x3
+.*:	d50ca72f 	plbi	perme2, x15
+.*:	d50caf2f 	plbi	perme2nxs, x15
+.*:	d50ca73a 	plbi	perme2, x26
+.*:	d50caf3a 	plbi	perme2nxs, x26
+.*:	d50ca73f 	plbi	perme2, xzr
+.*:	d50caf3f 	plbi	perme2nxs, xzr
+.*:	d50ea120 	plbi	perme3os, x0
+.*:	d50ea920 	plbi	perme3osnxs, x0
+.*:	d50ea123 	plbi	perme3os, x3
+.*:	d50ea923 	plbi	perme3osnxs, x3
+.*:	d50ea12f 	plbi	perme3os, x15
+.*:	d50ea92f 	plbi	perme3osnxs, x15
+.*:	d50ea13a 	plbi	perme3os, x26
+.*:	d50ea93a 	plbi	perme3osnxs, x26
+.*:	d50ea13f 	plbi	perme3os, xzr
+.*:	d50ea93f 	plbi	perme3osnxs, xzr
+.*:	d50ea320 	plbi	perme3is, x0
+.*:	d50eab20 	plbi	perme3isnxs, x0
+.*:	d50ea323 	plbi	perme3is, x3
+.*:	d50eab23 	plbi	perme3isnxs, x3
+.*:	d50ea32f 	plbi	perme3is, x15
+.*:	d50eab2f 	plbi	perme3isnxs, x15
+.*:	d50ea33a 	plbi	perme3is, x26
+.*:	d50eab3a 	plbi	perme3isnxs, x26
+.*:	d50ea33f 	plbi	perme3is, xzr
+.*:	d50eab3f 	plbi	perme3isnxs, xzr
+.*:	d50ea720 	plbi	perme3, x0
+.*:	d50eaf20 	plbi	perme3nxs, x0
+.*:	d50ea723 	plbi	perme3, x3
+.*:	d50eaf23 	plbi	perme3nxs, x3
+.*:	d50ea72f 	plbi	perme3, x15
+.*:	d50eaf2f 	plbi	perme3nxs, x15
+.*:	d50ea73a 	plbi	perme3, x26
+.*:	d50eaf3a 	plbi	perme3nxs, x26
+.*:	d50ea73f 	plbi	perme3, xzr
+.*:	d50eaf3f 	plbi	perme3nxs, xzr
diff --git a/gas/testsuite/gas/aarch64/plbi-1.s b/gas/testsuite/gas/aarch64/plbi-1.s
new file mode 100644
index 00000000000..4402bd3c4d4
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-1.s
@@ -0,0 +1,11 @@
+	.irp	plbi_op vmalle1os,vmalle1is,vmalle1,alle2os,alle1os,alle2is,alle1is,alle2,alle1,alle3os,alle3is,alle3
+	plbi	\plbi_op
+	plbi	\plbi_op\()nxs
+	.endr
+
+	.irp	plbi_op perme1os,aside1os,permae1os,perme1is,aside1is,permae1is,perme1,aside1,permae1,perme2os,perme2is,perme2,perme3os,perme3is,perme3
+	.irp    rt, x0, x3, x15, x26, xzr
+	plbi	\plbi_op, \rt
+	plbi	\plbi_op\()nxs, \rt
+	.endr
+	.endr
diff --git a/gas/testsuite/gas/aarch64/plbi-invalid-1.d b/gas/testsuite/gas/aarch64/plbi-invalid-1.d
new file mode 100644
index 00000000000..7ed6137f083
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-invalid-1.d
@@ -0,0 +1,3 @@
+#name: Invalid poe2 PLBI instructions.
+#as: -march=armv8-a+poe2+xs
+#error_output: plbi-invalid-1.l
diff --git a/gas/testsuite/gas/aarch64/plbi-invalid-1.l b/gas/testsuite/gas/aarch64/plbi-invalid-1.l
new file mode 100644
index 00000000000..dde9d82486e
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-invalid-1.l
@@ -0,0 +1,79 @@
+.*: Assembler messages:
+.*: Error: missing register at operand 2 -- `plbi perme1os'
+.*: Error: missing register at operand 2 -- `plbi perme1osnxs'
+.*: Error: missing register at operand 2 -- `plbi aside1os'
+.*: Error: missing register at operand 2 -- `plbi aside1osnxs'
+.*: Error: missing register at operand 2 -- `plbi permae1os'
+.*: Error: missing register at operand 2 -- `plbi permae1osnxs'
+.*: Error: missing register at operand 2 -- `plbi perme1is'
+.*: Error: missing register at operand 2 -- `plbi perme1isnxs'
+.*: Error: missing register at operand 2 -- `plbi aside1is'
+.*: Error: missing register at operand 2 -- `plbi aside1isnxs'
+.*: Error: missing register at operand 2 -- `plbi permae1is'
+.*: Error: missing register at operand 2 -- `plbi permae1isnxs'
+.*: Error: missing register at operand 2 -- `plbi perme1'
+.*: Error: missing register at operand 2 -- `plbi perme1nxs'
+.*: Error: missing register at operand 2 -- `plbi aside1'
+.*: Error: missing register at operand 2 -- `plbi aside1nxs'
+.*: Error: missing register at operand 2 -- `plbi permae1'
+.*: Error: missing register at operand 2 -- `plbi permae1nxs'
+.*: Error: missing register at operand 2 -- `plbi perme2os'
+.*: Error: missing register at operand 2 -- `plbi perme2osnxs'
+.*: Error: missing register at operand 2 -- `plbi perme2is'
+.*: Error: missing register at operand 2 -- `plbi perme2isnxs'
+.*: Error: missing register at operand 2 -- `plbi perme2'
+.*: Error: missing register at operand 2 -- `plbi perme2nxs'
+.*: Error: missing register at operand 2 -- `plbi perme3os'
+.*: Error: missing register at operand 2 -- `plbi perme3osnxs'
+.*: Error: missing register at operand 2 -- `plbi perme3is'
+.*: Error: missing register at operand 2 -- `plbi perme3isnxs'
+.*: Error: missing register at operand 2 -- `plbi perme3'
+.*: Error: missing register at operand 2 -- `plbi perme3nxs'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1os,x3'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1osnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1os,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1osnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1is,x3'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1isnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1is,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1isnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1,x3'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1nxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi vmalle1nxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle2os,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle2osnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle2os,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle2osnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle1os,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle1osnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle1os,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle1osnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle2is,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle2isnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle2is,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle2isnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle1is,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle1isnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle1is,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle1isnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle2,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle2nxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle2,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle2nxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle1,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle1nxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle1,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle1nxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle3os,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle3osnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle3os,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle3osnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle3is,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle3isnxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle3is,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle3isnxs,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle3,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle3nxs,x3'
+.*: Error: extraneous register at operand 2 -- `plbi alle3,xzr'
+.*: Error: extraneous register at operand 2 -- `plbi alle3nxs,xzr'
diff --git a/gas/testsuite/gas/aarch64/plbi-invalid-1.s b/gas/testsuite/gas/aarch64/plbi-invalid-1.s
new file mode 100644
index 00000000000..4496572694a
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-invalid-1.s
@@ -0,0 +1,11 @@
+	.irp	plbi_op perme1os,aside1os,permae1os,perme1is,aside1is,permae1is,perme1,aside1,permae1,perme2os,perme2is,perme2,perme3os,perme3is,perme3
+	plbi	\plbi_op
+	plbi	\plbi_op\()nxs
+	.endr
+
+	.irp	plbi_op vmalle1os,vmalle1is,vmalle1,alle2os,alle1os,alle2is,alle1is,alle2,alle1,alle3os,alle3is,alle3
+	.irp    rt, x3, xzr
+	plbi	\plbi_op, \rt
+	plbi	\plbi_op\()nxs, \rt
+	.endr
+	.endr
diff --git a/gas/testsuite/gas/aarch64/plbi-invalid-2.d b/gas/testsuite/gas/aarch64/plbi-invalid-2.d
new file mode 100644
index 00000000000..2a6b4f45f85
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-invalid-2.d
@@ -0,0 +1,4 @@
+#name: valid PLBI instructions without +poe2 and +xs flags.
+#as: -march=armv8-a
+#source: plbi-1.s
+#error_output: plbi-invalid-2.l
diff --git a/gas/testsuite/gas/aarch64/plbi-invalid-2.l b/gas/testsuite/gas/aarch64/plbi-invalid-2.l
new file mode 100644
index 00000000000..e37429ccf16
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-invalid-2.l
@@ -0,0 +1,349 @@
+.*: Assembler messages:
+.*: Error: selected processor does not support system register name 'vmalle1os'
+.*: Error: selected processor does not support `plbi vmalle1os'
+.*: Error: selected processor does not support system register name 'vmalle1osnxs'
+.*: Error: selected processor does not support `plbi vmalle1osnxs'
+.*: Error: selected processor does not support system register name 'vmalle1is'
+.*: Error: selected processor does not support `plbi vmalle1is'
+.*: Error: selected processor does not support system register name 'vmalle1isnxs'
+.*: Error: selected processor does not support `plbi vmalle1isnxs'
+.*: Error: selected processor does not support system register name 'vmalle1'
+.*: Error: selected processor does not support `plbi vmalle1'
+.*: Error: selected processor does not support system register name 'vmalle1nxs'
+.*: Error: selected processor does not support `plbi vmalle1nxs'
+.*: Error: selected processor does not support system register name 'alle2os'
+.*: Error: selected processor does not support `plbi alle2os'
+.*: Error: selected processor does not support system register name 'alle2osnxs'
+.*: Error: selected processor does not support `plbi alle2osnxs'
+.*: Error: selected processor does not support system register name 'alle1os'
+.*: Error: selected processor does not support `plbi alle1os'
+.*: Error: selected processor does not support system register name 'alle1osnxs'
+.*: Error: selected processor does not support `plbi alle1osnxs'
+.*: Error: selected processor does not support system register name 'alle2is'
+.*: Error: selected processor does not support `plbi alle2is'
+.*: Error: selected processor does not support system register name 'alle2isnxs'
+.*: Error: selected processor does not support `plbi alle2isnxs'
+.*: Error: selected processor does not support system register name 'alle1is'
+.*: Error: selected processor does not support `plbi alle1is'
+.*: Error: selected processor does not support system register name 'alle1isnxs'
+.*: Error: selected processor does not support `plbi alle1isnxs'
+.*: Error: selected processor does not support system register name 'alle2'
+.*: Error: selected processor does not support `plbi alle2'
+.*: Error: selected processor does not support system register name 'alle2nxs'
+.*: Error: selected processor does not support `plbi alle2nxs'
+.*: Error: selected processor does not support system register name 'alle1'
+.*: Error: selected processor does not support `plbi alle1'
+.*: Error: selected processor does not support system register name 'alle1nxs'
+.*: Error: selected processor does not support `plbi alle1nxs'
+.*: Error: selected processor does not support system register name 'alle3os'
+.*: Error: selected processor does not support `plbi alle3os'
+.*: Error: selected processor does not support system register name 'alle3osnxs'
+.*: Error: selected processor does not support `plbi alle3osnxs'
+.*: Error: selected processor does not support system register name 'alle3is'
+.*: Error: selected processor does not support `plbi alle3is'
+.*: Error: selected processor does not support system register name 'alle3isnxs'
+.*: Error: selected processor does not support `plbi alle3isnxs'
+.*: Error: selected processor does not support system register name 'alle3'
+.*: Error: selected processor does not support `plbi alle3'
+.*: Error: selected processor does not support system register name 'alle3nxs'
+.*: Error: selected processor does not support `plbi alle3nxs'
+.*: Error: selected processor does not support system register name 'perme1os'
+.*: Error: selected processor does not support `plbi perme1os,x0'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support `plbi perme1osnxs,x0'
+.*: Error: selected processor does not support system register name 'perme1os'
+.*: Error: selected processor does not support `plbi perme1os,x3'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support `plbi perme1osnxs,x3'
+.*: Error: selected processor does not support system register name 'perme1os'
+.*: Error: selected processor does not support `plbi perme1os,x15'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support `plbi perme1osnxs,x15'
+.*: Error: selected processor does not support system register name 'perme1os'
+.*: Error: selected processor does not support `plbi perme1os,x26'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support `plbi perme1osnxs,x26'
+.*: Error: selected processor does not support system register name 'perme1os'
+.*: Error: selected processor does not support `plbi perme1os,xzr'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support `plbi perme1osnxs,xzr'
+.*: Error: selected processor does not support system register name 'aside1os'
+.*: Error: selected processor does not support `plbi aside1os,x0'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support `plbi aside1osnxs,x0'
+.*: Error: selected processor does not support system register name 'aside1os'
+.*: Error: selected processor does not support `plbi aside1os,x3'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support `plbi aside1osnxs,x3'
+.*: Error: selected processor does not support system register name 'aside1os'
+.*: Error: selected processor does not support `plbi aside1os,x15'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support `plbi aside1osnxs,x15'
+.*: Error: selected processor does not support system register name 'aside1os'
+.*: Error: selected processor does not support `plbi aside1os,x26'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support `plbi aside1osnxs,x26'
+.*: Error: selected processor does not support system register name 'aside1os'
+.*: Error: selected processor does not support `plbi aside1os,xzr'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support `plbi aside1osnxs,xzr'
+.*: Error: selected processor does not support system register name 'permae1os'
+.*: Error: selected processor does not support `plbi permae1os,x0'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support `plbi permae1osnxs,x0'
+.*: Error: selected processor does not support system register name 'permae1os'
+.*: Error: selected processor does not support `plbi permae1os,x3'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support `plbi permae1osnxs,x3'
+.*: Error: selected processor does not support system register name 'permae1os'
+.*: Error: selected processor does not support `plbi permae1os,x15'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support `plbi permae1osnxs,x15'
+.*: Error: selected processor does not support system register name 'permae1os'
+.*: Error: selected processor does not support `plbi permae1os,x26'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support `plbi permae1osnxs,x26'
+.*: Error: selected processor does not support system register name 'permae1os'
+.*: Error: selected processor does not support `plbi permae1os,xzr'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support `plbi permae1osnxs,xzr'
+.*: Error: selected processor does not support system register name 'perme1is'
+.*: Error: selected processor does not support `plbi perme1is,x0'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support `plbi perme1isnxs,x0'
+.*: Error: selected processor does not support system register name 'perme1is'
+.*: Error: selected processor does not support `plbi perme1is,x3'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support `plbi perme1isnxs,x3'
+.*: Error: selected processor does not support system register name 'perme1is'
+.*: Error: selected processor does not support `plbi perme1is,x15'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support `plbi perme1isnxs,x15'
+.*: Error: selected processor does not support system register name 'perme1is'
+.*: Error: selected processor does not support `plbi perme1is,x26'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support `plbi perme1isnxs,x26'
+.*: Error: selected processor does not support system register name 'perme1is'
+.*: Error: selected processor does not support `plbi perme1is,xzr'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support `plbi perme1isnxs,xzr'
+.*: Error: selected processor does not support system register name 'aside1is'
+.*: Error: selected processor does not support `plbi aside1is,x0'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support `plbi aside1isnxs,x0'
+.*: Error: selected processor does not support system register name 'aside1is'
+.*: Error: selected processor does not support `plbi aside1is,x3'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support `plbi aside1isnxs,x3'
+.*: Error: selected processor does not support system register name 'aside1is'
+.*: Error: selected processor does not support `plbi aside1is,x15'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support `plbi aside1isnxs,x15'
+.*: Error: selected processor does not support system register name 'aside1is'
+.*: Error: selected processor does not support `plbi aside1is,x26'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support `plbi aside1isnxs,x26'
+.*: Error: selected processor does not support system register name 'aside1is'
+.*: Error: selected processor does not support `plbi aside1is,xzr'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support `plbi aside1isnxs,xzr'
+.*: Error: selected processor does not support system register name 'permae1is'
+.*: Error: selected processor does not support `plbi permae1is,x0'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support `plbi permae1isnxs,x0'
+.*: Error: selected processor does not support system register name 'permae1is'
+.*: Error: selected processor does not support `plbi permae1is,x3'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support `plbi permae1isnxs,x3'
+.*: Error: selected processor does not support system register name 'permae1is'
+.*: Error: selected processor does not support `plbi permae1is,x15'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support `plbi permae1isnxs,x15'
+.*: Error: selected processor does not support system register name 'permae1is'
+.*: Error: selected processor does not support `plbi permae1is,x26'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support `plbi permae1isnxs,x26'
+.*: Error: selected processor does not support system register name 'permae1is'
+.*: Error: selected processor does not support `plbi permae1is,xzr'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support `plbi permae1isnxs,xzr'
+.*: Error: selected processor does not support system register name 'perme1'
+.*: Error: selected processor does not support `plbi perme1,x0'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support `plbi perme1nxs,x0'
+.*: Error: selected processor does not support system register name 'perme1'
+.*: Error: selected processor does not support `plbi perme1,x3'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support `plbi perme1nxs,x3'
+.*: Error: selected processor does not support system register name 'perme1'
+.*: Error: selected processor does not support `plbi perme1,x15'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support `plbi perme1nxs,x15'
+.*: Error: selected processor does not support system register name 'perme1'
+.*: Error: selected processor does not support `plbi perme1,x26'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support `plbi perme1nxs,x26'
+.*: Error: selected processor does not support system register name 'perme1'
+.*: Error: selected processor does not support `plbi perme1,xzr'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support `plbi perme1nxs,xzr'
+.*: Error: selected processor does not support system register name 'aside1'
+.*: Error: selected processor does not support `plbi aside1,x0'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support `plbi aside1nxs,x0'
+.*: Error: selected processor does not support system register name 'aside1'
+.*: Error: selected processor does not support `plbi aside1,x3'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support `plbi aside1nxs,x3'
+.*: Error: selected processor does not support system register name 'aside1'
+.*: Error: selected processor does not support `plbi aside1,x15'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support `plbi aside1nxs,x15'
+.*: Error: selected processor does not support system register name 'aside1'
+.*: Error: selected processor does not support `plbi aside1,x26'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support `plbi aside1nxs,x26'
+.*: Error: selected processor does not support system register name 'aside1'
+.*: Error: selected processor does not support `plbi aside1,xzr'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support `plbi aside1nxs,xzr'
+.*: Error: selected processor does not support system register name 'permae1'
+.*: Error: selected processor does not support `plbi permae1,x0'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support `plbi permae1nxs,x0'
+.*: Error: selected processor does not support system register name 'permae1'
+.*: Error: selected processor does not support `plbi permae1,x3'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support `plbi permae1nxs,x3'
+.*: Error: selected processor does not support system register name 'permae1'
+.*: Error: selected processor does not support `plbi permae1,x15'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support `plbi permae1nxs,x15'
+.*: Error: selected processor does not support system register name 'permae1'
+.*: Error: selected processor does not support `plbi permae1,x26'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support `plbi permae1nxs,x26'
+.*: Error: selected processor does not support system register name 'permae1'
+.*: Error: selected processor does not support `plbi permae1,xzr'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support `plbi permae1nxs,xzr'
+.*: Error: selected processor does not support system register name 'perme2os'
+.*: Error: selected processor does not support `plbi perme2os,x0'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support `plbi perme2osnxs,x0'
+.*: Error: selected processor does not support system register name 'perme2os'
+.*: Error: selected processor does not support `plbi perme2os,x3'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support `plbi perme2osnxs,x3'
+.*: Error: selected processor does not support system register name 'perme2os'
+.*: Error: selected processor does not support `plbi perme2os,x15'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support `plbi perme2osnxs,x15'
+.*: Error: selected processor does not support system register name 'perme2os'
+.*: Error: selected processor does not support `plbi perme2os,x26'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support `plbi perme2osnxs,x26'
+.*: Error: selected processor does not support system register name 'perme2os'
+.*: Error: selected processor does not support `plbi perme2os,xzr'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support `plbi perme2osnxs,xzr'
+.*: Error: selected processor does not support system register name 'perme2is'
+.*: Error: selected processor does not support `plbi perme2is,x0'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support `plbi perme2isnxs,x0'
+.*: Error: selected processor does not support system register name 'perme2is'
+.*: Error: selected processor does not support `plbi perme2is,x3'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support `plbi perme2isnxs,x3'
+.*: Error: selected processor does not support system register name 'perme2is'
+.*: Error: selected processor does not support `plbi perme2is,x15'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support `plbi perme2isnxs,x15'
+.*: Error: selected processor does not support system register name 'perme2is'
+.*: Error: selected processor does not support `plbi perme2is,x26'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support `plbi perme2isnxs,x26'
+.*: Error: selected processor does not support system register name 'perme2is'
+.*: Error: selected processor does not support `plbi perme2is,xzr'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support `plbi perme2isnxs,xzr'
+.*: Error: selected processor does not support system register name 'perme2'
+.*: Error: selected processor does not support `plbi perme2,x0'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support `plbi perme2nxs,x0'
+.*: Error: selected processor does not support system register name 'perme2'
+.*: Error: selected processor does not support `plbi perme2,x3'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support `plbi perme2nxs,x3'
+.*: Error: selected processor does not support system register name 'perme2'
+.*: Error: selected processor does not support `plbi perme2,x15'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support `plbi perme2nxs,x15'
+.*: Error: selected processor does not support system register name 'perme2'
+.*: Error: selected processor does not support `plbi perme2,x26'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support `plbi perme2nxs,x26'
+.*: Error: selected processor does not support system register name 'perme2'
+.*: Error: selected processor does not support `plbi perme2,xzr'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support `plbi perme2nxs,xzr'
+.*: Error: selected processor does not support system register name 'perme3os'
+.*: Error: selected processor does not support `plbi perme3os,x0'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support `plbi perme3osnxs,x0'
+.*: Error: selected processor does not support system register name 'perme3os'
+.*: Error: selected processor does not support `plbi perme3os,x3'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support `plbi perme3osnxs,x3'
+.*: Error: selected processor does not support system register name 'perme3os'
+.*: Error: selected processor does not support `plbi perme3os,x15'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support `plbi perme3osnxs,x15'
+.*: Error: selected processor does not support system register name 'perme3os'
+.*: Error: selected processor does not support `plbi perme3os,x26'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support `plbi perme3osnxs,x26'
+.*: Error: selected processor does not support system register name 'perme3os'
+.*: Error: selected processor does not support `plbi perme3os,xzr'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support `plbi perme3osnxs,xzr'
+.*: Error: selected processor does not support system register name 'perme3is'
+.*: Error: selected processor does not support `plbi perme3is,x0'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support `plbi perme3isnxs,x0'
+.*: Error: selected processor does not support system register name 'perme3is'
+.*: Error: selected processor does not support `plbi perme3is,x3'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support `plbi perme3isnxs,x3'
+.*: Error: selected processor does not support system register name 'perme3is'
+.*: Error: selected processor does not support `plbi perme3is,x15'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support `plbi perme3isnxs,x15'
+.*: Error: selected processor does not support system register name 'perme3is'
+.*: Error: selected processor does not support `plbi perme3is,x26'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support `plbi perme3isnxs,x26'
+.*: Error: selected processor does not support system register name 'perme3is'
+.*: Error: selected processor does not support `plbi perme3is,xzr'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support `plbi perme3isnxs,xzr'
+.*: Error: selected processor does not support system register name 'perme3'
+.*: Error: selected processor does not support `plbi perme3,x0'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support `plbi perme3nxs,x0'
+.*: Error: selected processor does not support system register name 'perme3'
+.*: Error: selected processor does not support `plbi perme3,x3'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support `plbi perme3nxs,x3'
+.*: Error: selected processor does not support system register name 'perme3'
+.*: Error: selected processor does not support `plbi perme3,x15'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support `plbi perme3nxs,x15'
+.*: Error: selected processor does not support system register name 'perme3'
+.*: Error: selected processor does not support `plbi perme3,x26'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support `plbi perme3nxs,x26'
+.*: Error: selected processor does not support system register name 'perme3'
+.*: Error: selected processor does not support `plbi perme3,xzr'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support `plbi perme3nxs,xzr'
diff --git a/gas/testsuite/gas/aarch64/plbi-invalid-3.d b/gas/testsuite/gas/aarch64/plbi-invalid-3.d
new file mode 100644
index 00000000000..9d5252dd0a7
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-invalid-3.d
@@ -0,0 +1,4 @@
+#name: valid PLBI instructions without +xs flags.
+#as: -march=armv8-a+poe2
+#source: plbi-1.s
+#error_output: plbi-invalid-3.l
diff --git a/gas/testsuite/gas/aarch64/plbi-invalid-3.l b/gas/testsuite/gas/aarch64/plbi-invalid-3.l
new file mode 100644
index 00000000000..957061a07e3
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/plbi-invalid-3.l
@@ -0,0 +1,88 @@
+.*: Assembler messages:
+.*: Error: selected processor does not support system register name 'vmalle1osnxs'
+.*: Error: selected processor does not support system register name 'vmalle1isnxs'
+.*: Error: selected processor does not support system register name 'vmalle1nxs'
+.*: Error: selected processor does not support system register name 'alle2osnxs'
+.*: Error: selected processor does not support system register name 'alle1osnxs'
+.*: Error: selected processor does not support system register name 'alle2isnxs'
+.*: Error: selected processor does not support system register name 'alle1isnxs'
+.*: Error: selected processor does not support system register name 'alle2nxs'
+.*: Error: selected processor does not support system register name 'alle1nxs'
+.*: Error: selected processor does not support system register name 'alle3osnxs'
+.*: Error: selected processor does not support system register name 'alle3isnxs'
+.*: Error: selected processor does not support system register name 'alle3nxs'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support system register name 'perme1osnxs'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support system register name 'aside1osnxs'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support system register name 'permae1osnxs'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support system register name 'perme1isnxs'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support system register name 'aside1isnxs'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support system register name 'permae1isnxs'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support system register name 'perme1nxs'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support system register name 'aside1nxs'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support system register name 'permae1nxs'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support system register name 'perme2osnxs'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support system register name 'perme2isnxs'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support system register name 'perme2nxs'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support system register name 'perme3osnxs'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support system register name 'perme3isnxs'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support system register name 'perme3nxs'
+.*: Error: selected processor does not support system register name 'perme3nxs'
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index 85e9ddc0724..d1739f23ef6 100644
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -732,6 +732,7 @@ enum aarch64_opnd
   AARCH64_OPND_SYSREG_IC,	/* System register <ic_op> operand.  */
   AARCH64_OPND_SYSREG_TLBI,	/* System register <tlbi_op> operand.  */
   AARCH64_OPND_SYSREG_TLBIP,	/* System register <tlbip_op> operand.  */
+  AARCH64_OPND_SYSREG_PLBI,	/* System register <plbi_op> operand.  */
   AARCH64_OPND_SYSREG_SR,	/* System register RCTX operand.  */
   AARCH64_OPND_BARRIER,		/* Barrier operand.  */
   AARCH64_OPND_BARRIER_DSB_NXS,	/* Barrier operand for DSB nXS variant.  */
@@ -1657,6 +1658,7 @@ extern const aarch64_sys_ins_reg aarch64_sys_regs_ic [];
 extern const aarch64_sys_ins_reg aarch64_sys_regs_dc [];
 extern const aarch64_sys_ins_reg aarch64_sys_regs_at [];
 extern const aarch64_sys_ins_reg aarch64_sys_regs_tlbi [];
+extern const aarch64_sys_ins_reg aarch64_sys_regs_plbi [];
 extern const aarch64_sys_ins_reg aarch64_sys_ins_gic [];
 extern const aarch64_sys_ins_reg aarch64_sys_ins_gicr [];
 extern const aarch64_sys_ins_reg aarch64_sys_ins_gsb [];
diff --git a/opcodes/aarch64-asm-2.c b/opcodes/aarch64-asm-2.c
index 919b6669722..397a9438c7d 100644
--- a/opcodes/aarch64-asm-2.c
+++ b/opcodes/aarch64-asm-2.c
@@ -556,6 +556,7 @@ aarch64_find_real_opcode (const aarch64_opcode *opcode)
     case A64_OPID_d503323f_dsb_BARRIER_DSB_NXS:
       value = A64_OPID_d503323f_dsb_BARRIER_DSB_NXS;
       break;
+    case A64_OPID_d5080000_plbi_SYSREG_PLBI_Rt_SYS:
     case A64_OPID_d508001f_gsb_GSB:
     case A64_OPID_d5080000_gicr_Rd_GICR:
     case A64_OPID_d5080000_gic_GIC_Rd:
@@ -1019,6 +1020,7 @@ aarch64_insert_operand (const aarch64_operand *self,
     case AARCH64_OPND_SYSREG_IC:
     case AARCH64_OPND_SYSREG_TLBI:
     case AARCH64_OPND_SYSREG_TLBIP:
+    case AARCH64_OPND_SYSREG_PLBI:
     case AARCH64_OPND_SYSREG_SR:
     case AARCH64_OPND_GIC:
     case AARCH64_OPND_GICR:
diff --git a/opcodes/aarch64-dis-2.c b/opcodes/aarch64-dis-2.c
index 81b83b1923b..bc161906448 100644
--- a/opcodes/aarch64-dis-2.c
+++ b/opcodes/aarch64-dis-2.c
@@ -36439,7 +36439,7 @@ aarch64_find_alias_opcode (const aarch64_opcode *opcode)
       value = A64_OPID_d503323f_dsb_BARRIER_DSB_NXS;
       break;
     case A64_OPID_d5080000_sys_UIMM3_OP1_CRn_CRm_UIMM3_OP2_Rt:
-      value = A64_OPID_d508001f_gsb_GSB;
+      value = A64_OPID_d5080000_plbi_SYSREG_PLBI_Rt_SYS;
       break;
     case A64_OPID_d5480000_sysp_UIMM3_OP1_CRn_CRm_UIMM3_OP2_Rt_PAIRREG_OR_XZR:
       value = A64_OPID_d5480000_tlbip_SYSREG_TLBIP_Rt_SYS_PAIRREG_OR_XZR;
@@ -37088,6 +37088,9 @@ aarch64_find_next_alias_opcode (const aarch64_opcode *opcode)
     case A64_OPID_d5033c9f_dfb:
       value = A64_OPID_d503309f_dsb_BARRIER;
       break;
+    case A64_OPID_d5080000_plbi_SYSREG_PLBI_Rt_SYS:
+      value = A64_OPID_d508001f_gsb_GSB;
+      break;
     case A64_OPID_d508001f_gsb_GSB:
       value = A64_OPID_d5080000_gicr_Rd_GICR;
       break;
@@ -37539,6 +37542,7 @@ aarch64_extract_operand (const aarch64_operand *self,
     case AARCH64_OPND_SYSREG_IC:
     case AARCH64_OPND_SYSREG_TLBI:
     case AARCH64_OPND_SYSREG_TLBIP:
+    case AARCH64_OPND_SYSREG_PLBI:
     case AARCH64_OPND_SYSREG_SR:
     case AARCH64_OPND_GIC:
     case AARCH64_OPND_GICR:
diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index 2a6fde3ed67..eca8d7aa166 100644
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -1435,6 +1435,7 @@ aarch64_ext_sysins_op (const aarch64_operand *self ATTRIBUTE_UNUSED,
     case AARCH64_OPND_SYSREG_IC: sysins_ops = aarch64_sys_regs_ic; break;
     case AARCH64_OPND_SYSREG_TLBI: sysins_ops = aarch64_sys_regs_tlbi; break;
     case AARCH64_OPND_SYSREG_TLBIP: sysins_ops = aarch64_sys_regs_tlbi; break;
+    case AARCH64_OPND_SYSREG_PLBI: sysins_ops = aarch64_sys_regs_plbi; break;
     case AARCH64_OPND_SYSREG_SR:
 	sysins_ops = aarch64_sys_regs_sr;
 	 /* Let's remove op2 for rctx.  Refer to comments in the definition of
diff --git a/opcodes/aarch64-opc-2.c b/opcodes/aarch64-opc-2.c
index 8f4efa52cdc..0fba127b4f7 100644
--- a/opcodes/aarch64-opc-2.c
+++ b/opcodes/aarch64-opc-2.c
@@ -143,6 +143,7 @@ const struct aarch64_operand aarch64_operands[] =
   {AARCH64_OPND_CLASS_SYSTEM, "SYSREG_IC", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "an instruction cache maintenance operation specifier"},
   {AARCH64_OPND_CLASS_SYSTEM, "SYSREG_TLBI", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "a TBL invalidation operation specifier"},
   {AARCH64_OPND_CLASS_SYSTEM, "SYSREG_TLBIP", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "a 128-bit TBL invalidation operation specifier"},
+  {AARCH64_OPND_CLASS_SYSTEM, "SYSREG_PLBI", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "a PBL invalidation operation specifier"},
   {AARCH64_OPND_CLASS_SYSTEM, "SYSREG_SR", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "a Speculation Restriction option name (RCTX)"},
   {AARCH64_OPND_CLASS_SYSTEM, "BARRIER", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "a barrier option name"},
   {AARCH64_OPND_CLASS_SYSTEM, "BARRIER_DSB_NXS", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "the DSB nXS option qualifier name SY, ISH, NSH, OSH or an optional 5-bit unsigned immediate"},
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index 0458480422c..d2022b4ce42 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -5085,6 +5085,7 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
     case AARCH64_OPND_SYSREG_IC:
     case AARCH64_OPND_SYSREG_TLBI:
     case AARCH64_OPND_SYSREG_TLBIP:
+    case AARCH64_OPND_SYSREG_PLBI:
     case AARCH64_OPND_SYSREG_SR:
       snprintf (buf, size, "%s", style_reg (styler, opnd->sysins_op->name));
       break;
@@ -5459,6 +5460,43 @@ const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
     { 0,       CPENS(0,0,0,0), 0, AARCH64_NO_FEATURES }
 };
 
+const aarch64_sys_ins_reg aarch64_sys_regs_plbi[] =
+{
+    #define PLBI_XS_OP(OP, CODE, FLAGS) \
+    { OP, CODE, FLAGS, AARCH64_FEATURE (S1POE2) }, \
+    { OP "nxs", CODE | CPENS (0, 0, C8, 0), FLAGS, AARCH64_FEATURES (2, S1POE2, XS) },
+
+    PLBI_XS_OP ( "alle1",	CPENS (4, C10, C7, 4), 	0 )
+    PLBI_XS_OP ( "alle1is",	CPENS (4, C10, C3, 4), 	0 )
+    PLBI_XS_OP ( "alle1os",	CPENS (4, C10, C1, 4), 	0 )
+    PLBI_XS_OP ( "alle2",	CPENS (4, C10, C7, 0), 	0 )
+    PLBI_XS_OP ( "alle2is",	CPENS (4, C10, C3, 0), 	0 )
+    PLBI_XS_OP ( "alle2os",	CPENS (4, C10, C1, 0), 	0 )
+    PLBI_XS_OP ( "alle3",	CPENS (6, C10, C7, 0), 	0 )
+    PLBI_XS_OP ( "alle3is",	CPENS (6, C10, C3, 0), 	0 )
+    PLBI_XS_OP ( "alle3os",	CPENS (6, C10, C1, 0), 	0 )
+    PLBI_XS_OP ( "aside1",	CPENS (0, C10, C7, 2), 	F_HASXT )
+    PLBI_XS_OP ( "aside1is",	CPENS (0, C10, C3, 2), 	F_HASXT )
+    PLBI_XS_OP ( "aside1os",	CPENS (0, C10, C1, 2), 	F_HASXT )
+    PLBI_XS_OP ( "permae1",	CPENS (0, C10, C7, 3), 	F_HASXT )
+    PLBI_XS_OP ( "permae1is",	CPENS (0, C10, C3, 3), 	F_HASXT )
+    PLBI_XS_OP ( "permae1os",	CPENS (0, C10, C1, 3), 	F_HASXT )
+    PLBI_XS_OP ( "perme1",	CPENS (0, C10, C7, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme1is",	CPENS (0, C10, C3, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme1os",	CPENS (0, C10, C1, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme2",	CPENS (4, C10, C7, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme2is",	CPENS (4, C10, C3, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme2os",	CPENS (4, C10, C1, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme3",	CPENS (6, C10, C7, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme3is",	CPENS (6, C10, C3, 1), 	F_HASXT )
+    PLBI_XS_OP ( "perme3os",	CPENS (6, C10, C1, 1), 	F_HASXT )
+    PLBI_XS_OP ( "vmalle1",	CPENS (0, C10, C7, 0), 	0 )
+    PLBI_XS_OP ( "vmalle1is",	CPENS (0, C10, C3, 0), 	0 )
+    PLBI_XS_OP ( "vmalle1os",	CPENS (0, C10, C1, 0), 	0 )
+
+    { 0,	CPENS (0,0,0,0), 0, AARCH64_NO_FEATURES }
+};
+
 const aarch64_sys_ins_reg aarch64_sys_ins_gic[] =
 {
     { "cdaff", CPENS (0,C12,C1,3), 0, AARCH64_NO_FEATURES },
diff --git a/opcodes/aarch64-tbl-2.h b/opcodes/aarch64-tbl-2.h
index e88507c04ff..9d04057a794 100644
--- a/opcodes/aarch64-tbl-2.h
+++ b/opcodes/aarch64-tbl-2.h
@@ -4002,6 +4002,7 @@ enum aarch64_opcode_idx
   A64_OPID_d5900000_tchangef_Rd_UIMM7_NOT_BALANCED,
   A64_OPID_d5840000_tchangeb_Rd_Rn_NOT_BALANCED,
   A64_OPID_d5940000_tchangeb_Rd_UIMM7_NOT_BALANCED,
+  A64_OPID_d5080000_plbi_SYSREG_PLBI_Rt_SYS,
   A64_OPID_d4e00000_tenter_UIMM7_NOT_BALANCED,
   A64_OPID_d6ff03e0_texit_NOT_BALANCED_1,
   A64_OPID_MAX,
diff --git a/opcodes/aarch64-tbl.h b/opcodes/aarch64-tbl.h
index 8f3279f9dde..e756f25b690 100644
--- a/opcodes/aarch64-tbl.h
+++ b/opcodes/aarch64-tbl.h
@@ -3528,8 +3528,8 @@ static const aarch64_feature_set aarch64_feature_tev =
 #define SME_MOP4_I16I64_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS,FLAGS,TIED) \
   { NAME, OPCODE, MASK, CLASS, 0, SME_MOP4_I16I64, OPS, QUALS, \
     FLAGS | F_STRICT, 0, TIED, NULL }
-#define S1POE2_INSN(NAME,OPCODE,MASK,OPS,QUALS, FLAGS) \
-  { NAME, OPCODE, MASK, s1poe2, 0, S1POE2, OPS, QUALS, FLAGS | F_INVALID_IMM_SYMS_1, 0, 0, NULL }
+#define S1POE2_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS, FLAGS) \
+  { NAME, OPCODE, MASK, CLASS, 0, S1POE2, OPS, QUALS, FLAGS | F_INVALID_IMM_SYMS_1, 0, 0, NULL }
 #define TEV_INSN(NAME,OPCODE,MASK,OPS,QUALS, FLAGS) \
   { NAME, OPCODE, MASK, tev, 0, TEV, OPS, QUALS, FLAGS | F_INVALID_IMM_SYMS_1, 0, 0, NULL }
 
@@ -7765,10 +7765,11 @@ const struct aarch64_opcode aarch64_opcode_table[] =
   SME_MOP4_I16I64_INSN ("usmop4s", 0xa1d00218, 0xfff1fe38, sme_misc, OP3 (SME_ZAda_3b, SME_Znx2_6_3, SME_Zmx2_17_3), OP_SVE_DHH, 0, 0),
 
   /* POE2 instructions.  */
-  S1POE2_INSN("tchangef", 0xd5800000, 0xfffdfc00, OP3 (Rd, Rn, NOT_BALANCED), QL_DST_X2, F_OPD2_OPT | F_DEFAULT (0x0)),
-  S1POE2_INSN("tchangef", 0xd5900000, 0xfffdf000, OP3 (Rd, UIMM7, NOT_BALANCED), QL_DST_X1, F_OPD2_OPT | F_DEFAULT (0x0)),
-  S1POE2_INSN("tchangeb", 0xd5840000, 0xfffdfc00, OP3 (Rd, Rn, NOT_BALANCED), QL_DST_X2, F_OPD2_OPT | F_DEFAULT (0x0)),
-  S1POE2_INSN("tchangeb", 0xd5940000, 0xfffdf000, OP3 (Rd, UIMM7, NOT_BALANCED), QL_DST_X1, F_OPD2_OPT | F_DEFAULT (0x0)),
+  S1POE2_INSN("tchangef", 0xd5800000, 0xfffdfc00, s1poe2, OP3 (Rd, Rn, NOT_BALANCED), QL_DST_X2, F_OPD2_OPT | F_DEFAULT (0x0)),
+  S1POE2_INSN("tchangef", 0xd5900000, 0xfffdf000, s1poe2, OP3 (Rd, UIMM7, NOT_BALANCED), QL_DST_X1, F_OPD2_OPT | F_DEFAULT (0x0)),
+  S1POE2_INSN("tchangeb", 0xd5840000, 0xfffdfc00, s1poe2, OP3 (Rd, Rn, NOT_BALANCED), QL_DST_X2, F_OPD2_OPT | F_DEFAULT (0x0)),
+  S1POE2_INSN("tchangeb", 0xd5940000, 0xfffdf000, s1poe2, OP3 (Rd, UIMM7, NOT_BALANCED), QL_DST_X1, F_OPD2_OPT | F_DEFAULT (0x0)),
+  S1POE2_INSN("plbi", 0xd5080000, 0xfff80000, ic_system, OP2 (SYSREG_PLBI, Rt_SYS), QL_SRC_X, F_ALIAS | F_OPD1_OPT | F_DEFAULT (0x1F)),
 
   /* TEV instructions.  */
   TEV_INSN("tenter", 0xd4e00000, 0xfffdf01f, OP2 (UIMM7, NOT_BALANCED), QL_PRFM_PCREL, F_OPD1_OPT | F_DEFAULT (0x0)),
@@ -8000,6 +8001,8 @@ const struct aarch64_opcode aarch64_opcode_table[] =
       "a TBL invalidation operation specifier")				\
     Y(SYSTEM, sysins_op, "SYSREG_TLBIP", 0, F(),				\
       "a 128-bit TBL invalidation operation specifier")			\
+    Y(SYSTEM, sysins_op, "SYSREG_PLBI", 0, F(),				\
+      "a PBL invalidation operation specifier")				\
     Y(SYSTEM, sysins_op, "SYSREG_SR", 0, F(),				\
       "a Speculation Restriction option name (RCTX)")			\
     Y(SYSTEM, barrier, "BARRIER", 0, F(),				\
-- 
2.25.1



More information about the Binutils mailing list