diff --git a/Zend/zend_multiply.h b/Zend/zend_multiply.h
index b3f0086009f47..2e3bae7a2280d 100644
--- a/Zend/zend_multiply.h
+++ b/Zend/zend_multiply.h
@@ -267,7 +267,8 @@ static zend_always_inline size_t zend_safe_address(size_t nmemb, size_t size, si
 		: "=&r"(res), "=&r"(m_overflow)
 		: "r"(nmemb),
 		  "r"(size),
-		  "r"(offset));
+		  "r"(offset)
+		: "cc");
 
 	if (UNEXPECTED(m_overflow)) {
 		*overflow = 1;
@@ -291,7 +292,8 @@ static zend_always_inline size_t zend_safe_address(size_t nmemb, size_t size, si
              : "=&r"(res), "=&r"(m_overflow)
              : "r"(nmemb),
                "r"(size),
-               "r"(offset));
+               "r"(offset)
+             : "xer");
 
         if (UNEXPECTED(m_overflow)) {
                 *overflow = 1;