rv64v: fix vset imm type

src/isa/riscv64/include/isa-def.h

@@ -202,7 +202,7 @@ typedef struct {
     } v_opv3;
     struct {
       uint32_t pad18     :15;
-      int32_t  v_simm5   : 5;
+      uint32_t v_zimm5   : 5;
       uint32_t v_zimm    :10;
       uint32_t v_bigbit  : 2;
     } v_opv4;

src/isa/riscv64/instr/rvv/decode.h

@@ -39,9 +39,9 @@ static inline def_DHelper(vsetvl) {
         print_Dop(id_src2->str, OP_STR_SIZE, "%ld", id_src2->val);
         break;
     case 0b11:
-        rtl_li(s, &id_src1->val, s->isa.instr.v_opv4.v_simm5);
+        rtl_li(s, &id_src1->val, s->isa.instr.v_opv4.v_zimm5);
         rtl_li(s, &id_src2->val, s->isa.instr.v_opv4.v_zimm);
-        print_Dop(id_src1->str, OP_STR_SIZE, "%d", s->isa.instr.v_opv4.v_simm5);
+        print_Dop(id_src1->str, OP_STR_SIZE, "%d", s->isa.instr.v_opv4.v_zimm5);
         print_Dop(id_src2->str, OP_STR_SIZE, "%d", s->isa.instr.v_opv4.v_zimm);
         break;
   }