fixup! add ARM CPU support based on qemu1.0.0-stable arm tcg

Author: weizhou-chaojixx

src/exec-tb.c

@@ -402,7 +402,6 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end, int
                 current_tb_modified = 1;
                 cpu_restore_state(env, env->mem_io_pc);
                 cpu_get_tb_cpu_state(env, &current_pc, &current_cs_base, &current_flags);
-#if defined(TARGET_I386) || defined(TARGET_X86_64)
                 // When an instruction modifies itself, advance pc to the next instruction
                 // and abort the tb asap.
                 int instr_size = tb_get_instruction_size(current_tb, current_tb->cs_base + env->eip);
@@ -411,7 +410,6 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end, int
                     env->eip += instr_size;
                     tcg_target_force_tb_exit(env->mem_io_pc, (uintptr_t)(current_tb->tc.ptr + current_tb->tc.size));
                 }
-#endif
             }
 #endif /* TARGET_HAS_PRECISE_SMC */
             /* we need to do that to handle the case where a signal