Signed-off-by: Lawrence Hunter <lawrence.hunter@codethink.co.uk>
---
 target/riscv/helper.h                        | 1 +
 target/riscv/insn32.decode                   | 1 +
 target/riscv/insn_trans/trans_rvzvkned.c.inc | 1 +
 target/riscv/vcrypto_helper.c                | 2 ++
 4 files changed, 5 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index ab0d2a4225..58121ba8ad 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1194,3 +1194,4 @@ DEF_HELPER_4(vaesdf_vv, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesdf_vs, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesdm_vv, void, ptr, ptr, env, i32)
 DEF_HELPER_4(vaesdm_vs, void, ptr, ptr, env, i32)
+DEF_HELPER_4(vaesz_vs, void, ptr, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 61f6b81644..22059ef95b 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -934,3 +934,4 @@ vaesdf_vv       101000 1 ..... 00001 010 ..... 1110111 @r2_vm_1
 vaesdf_vs       101001 1 ..... 00001 010 ..... 1110111 @r2_vm_1
 vaesdm_vv       101000 1 ..... 00000 010 ..... 1110111 @r2_vm_1
 vaesdm_vs       101001 1 ..... 00000 010 ..... 1110111 @r2_vm_1
+vaesz_vs        101001 1 ..... 00111 010 ..... 1110111 @r2_vm_1
diff --git a/target/riscv/insn_trans/trans_rvzvkned.c.inc b/target/riscv/insn_trans/trans_rvzvkned.c.inc
index 93f0df6b78..1f59dbcc68 100644
--- a/target/riscv/insn_trans/trans_rvzvkned.c.inc
+++ b/target/riscv/insn_trans/trans_rvzvkned.c.inc
@@ -94,3 +94,4 @@ GEN_V_UNMASKED_TRANS(vaesdf_vv, vaes_check_vv)
 GEN_V_UNMASKED_TRANS(vaesdf_vs, vaes_check_vs)
 GEN_V_UNMASKED_TRANS(vaesdm_vv, vaes_check_vv)
 GEN_V_UNMASKED_TRANS(vaesdm_vs, vaes_check_vs)
+GEN_V_UNMASKED_TRANS(vaesz_vs, vaes_check_vs)
diff --git a/target/riscv/vcrypto_helper.c b/target/riscv/vcrypto_helper.c
index 04d5ce5dc0..41e138ece5 100644
--- a/target/riscv/vcrypto_helper.c
+++ b/target/riscv/vcrypto_helper.c
@@ -327,3 +327,5 @@ GEN_ZVKNED_HELPER_VS(vaesdm_vs, aes_inv_shift_bytes(round_state);
                     aes_inv_sub_bytes(round_state);
                     xor_round_key(round_state, (uint8_t *)round_key);
                     aes_inv_mix_cols(round_state);)
+GEN_ZVKNED_HELPER_VS(vaesz_vs,
+                    xor_round_key(round_state, (uint8_t *)round_key);)
-- 
2.39.2