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-rw-r--r--target/riscv/insn32.decode4
1 files changed, 4 insertions, 0 deletions
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index d0253b8104..b7e7613ea2 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -718,6 +718,10 @@ vsetvli         0 ........... ..... 111 ..... 1010111  @r2_zimm11
 vsetivli        11 .......... ..... 111 ..... 1010111  @r2_zimm10
 vsetvl          1000000 ..... ..... 111 ..... 1010111  @r
 
+# *** Zawrs Standard Extension ***
+wrs_nto    000000001101 00000 000 00000 1110011
+wrs_sto    000000011101 00000 000 00000 1110011
+
 # *** RV32 Zba Standard Extension ***
 sh1add     0010000 .......... 010 ..... 0110011 @r
 sh2add     0010000 .......... 100 ..... 0110011 @r