diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index d271449431..1108f8287b 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -3309,6 +3309,7 @@ static void disas_ldst_reg_roffset(DisasContext *s, uint32_t insn,
         if (!fp_access_check(s)) {
             return;
         }
+        memop = finalize_memop_asimd(s, size);
     } else {
         if (size == 3 && opc == 2) {
             /* PRFM - prefetch */
@@ -3321,6 +3322,7 @@ static void disas_ldst_reg_roffset(DisasContext *s, uint32_t insn,
         is_store = (opc == 0);
         is_signed = !is_store && extract32(opc, 1, 1);
         is_extended = (size < 3) && extract32(opc, 0, 1);
+        memop = finalize_memop(s, size + is_signed * MO_SIGN);
     }
 
     if (rn == 31) {
@@ -3333,7 +3335,6 @@ static void disas_ldst_reg_roffset(DisasContext *s, uint32_t insn,
 
     tcg_gen_add_i64(dirty_addr, dirty_addr, tcg_rm);
 
-    memop = finalize_memop(s, size + is_signed * MO_SIGN);
     clean_addr = gen_mte_check1(s, dirty_addr, is_store, true, memop);
 
     if (is_vector) {
@@ -3398,6 +3399,7 @@ static void disas_ldst_reg_unsigned_imm(DisasContext *s, uint32_t insn,
         if (!fp_access_check(s)) {
             return;
         }
+        memop = finalize_memop_asimd(s, size);
     } else {
         if (size == 3 && opc == 2) {
             /* PRFM - prefetch */
@@ -3410,6 +3412,7 @@ static void disas_ldst_reg_unsigned_imm(DisasContext *s, uint32_t insn,
         is_store = (opc == 0);
         is_signed = !is_store && extract32(opc, 1, 1);
         is_extended = (size < 3) && extract32(opc, 0, 1);
+        memop = finalize_memop(s, size + is_signed * MO_SIGN);
     }
 
     if (rn == 31) {
@@ -3419,7 +3422,6 @@ static void disas_ldst_reg_unsigned_imm(DisasContext *s, uint32_t insn,
     offset = imm12 << size;
     tcg_gen_addi_i64(dirty_addr, dirty_addr, offset);
 
-    memop = finalize_memop(s, size + is_signed * MO_SIGN);
     clean_addr = gen_mte_check1(s, dirty_addr, is_store, rn != 31, memop);
 
     if (is_vector) {
@@ -3861,7 +3863,7 @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn)
      * promote consecutive little-endian elements below.
      */
     clean_addr = gen_mte_checkN(s, tcg_rn, is_store, is_postidx || rn != 31,
-                                total, finalize_memop(s, size));
+                                total, finalize_memop_asimd(s, size));
 
     /*
      * Consecutive little-endian elements from a single register
@@ -4019,7 +4021,7 @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn)
     total = selem << scale;
     tcg_rn = cpu_reg_sp(s, rn);
 
-    mop = finalize_memop(s, scale);
+    mop = finalize_memop_asimd(s, scale);
 
     clean_addr = gen_mte_checkN(s, tcg_rn, !is_load, is_postidx || rn != 31,
                                 total, mop);