diff --git a/pmu/evt.cpp b/pmu/evt.cpp
index e401c7ccdcb9b419e98ef27310a63cdaefdb0817..c9a27ae6e741d56c95b2fe35a9e9aa1eab04c55f 100644
--- a/pmu/evt.cpp
+++ b/pmu/evt.cpp
@@ -150,11 +150,12 @@ __u32 KUNPENG_PMU::ReadOnce(__u32 *head)
         typeof(*head) val;
         char charHead[1];
     } pointerUnion = {.charHead = {0}};
-
+#if defined(IS_ARM)
     asm volatile("ldar %w0, %1"
                  : "=r"(*(__u32 __attribute__((__may_alias__)) *)pointerUnion.charHead)
                  : "Q"(*head)
                  : "memory");
+#endif
     return pointerUnion.val;
 }
 
@@ -164,11 +165,12 @@ __u16 KUNPENG_PMU::ReadOnce(__u16 *head)
         typeof(*head) val;
         char charHead[1];
     } pointerUnion = {.charHead = {0}};
-
+#if defined(IS_ARM)
     asm volatile("ldarh %w0, %1"
                  : "=r"(*(__u16 __attribute__((__may_alias__)) *)pointerUnion.charHead)
                  : "Q"(*head)
                  : "memory");
+#endif
     return pointerUnion.val;
 }
 
@@ -178,10 +180,11 @@ __u8 KUNPENG_PMU::ReadOnce(__u8 *head)
         typeof(*head) val;
         char charHead[1];
     } pointerUnion = {.charHead = {0}};
-
+#if defined(IS_ARM)
     asm volatile("ldarb %w0, %1"
                  : "=r"(*(__u8 __attribute__((__may_alias__)) *)pointerUnion.charHead)
                  : "Q"(*head)
                  : "memory");
+#endif
     return pointerUnion.val;
 }
diff --git a/util/read_reg.cpp b/util/read_reg.cpp
index abf550c57975218c25287ee9ed7e3d4e584c8d1c..b43986df8afbeeec45a0b1e4c738878e3931cb01 100644
--- a/util/read_reg.cpp
+++ b/util/read_reg.cpp
@@ -16,14 +16,17 @@
 
 uint64_t ReadPmccntr()
 {
-    uint64_t val;
+    uint64_t val = 0;
+#if defined(__aarch64__)
     asm volatile("mrs %0, pmccntr_el0" : "=r"(val));
+#endif
     return val;
 }
 
 uint64_t ReadPmevcntr(int idx)
 {
     uint64_t val = 0;
+#if defined(__aarch64__)
     switch (idx) {
         case 0:
             asm volatile("mrs %0, pmevcntr0_el0" : "=r"(val));
@@ -121,7 +124,7 @@ uint64_t ReadPmevcntr(int idx)
         default:
             break;
     }
-
+#endif
     return val;
 }
 
@@ -139,7 +142,9 @@ uint64_t ReadPerfCounter(int idx)
 
 uint64_t ReadCntvct()
 {
-    uint64_t val;
+    uint64_t val = 0;
+#if defined(__aarch64__)
     asm volatile("mrs %0, cntvct_el0" : "=r"(val));
+#endif
     return val;
 }
\ No newline at end of file
diff --git a/util/read_reg.h b/util/read_reg.h
index 87de108aaa478e2c658831c3ed9b015e5dec650a..fd501813b9d4855fe58efe75acb6cfd76c3fba71 100644
--- a/util/read_reg.h
+++ b/util/read_reg.h
@@ -32,7 +32,9 @@ static uint64_t ReadTimestamp(void)
 #ifndef Barrier
 static inline void Barrier()
 {
+#if defined(IS_ARM)
     asm volatile("" : : : "memory");
+#endif
 }
 #endif