target/loongarch: Invalid tlb entry in invalidate_tlb()

Invalid tlb entry in function invalidate_tlb(), and its usage is
simple and easy to use.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>

Author: bibo-mao

target/loongarch/tcg/tlb_helper.c

@@ -123,6 +123,7 @@ static void invalidate_tlb_entry(CPULoongArchState *env, int index)
         return;
     }
 
+    tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, E, 0);
     tlb_ps = FIELD_EX64(tlb->tlb_misc, TLB_MISC, PS);
     pagesize = MAKE_64BIT_MASK(tlb_ps, 1);
     mask = MAKE_64BIT_MASK(0, tlb_ps + 1);
@@ -338,7 +339,6 @@ void helper_tlbwr(CPULoongArchState *env)
     old = env->tlb + index;
     if (FIELD_EX64(env->CSR_TLBIDX, CSR_TLBIDX, NE)) {
         invalidate_tlb(env, index);
-        old->tlb_misc = FIELD_DP64(old->tlb_misc, TLB_MISC, E, 0);
         return;
     }