diff --git a/Zend/zend_string.c b/Zend/zend_string.c
index 8e6a16c64afb..e8a01c736575 100644
--- a/Zend/zend_string.c
+++ b/Zend/zend_string.c
@@ -372,11 +372,26 @@ ZEND_API void zend_interned_strings_switch_storage(bool request)
 # define I_REPLACE_SONAME_FNNAME_ZU(soname, fnname) _vgr00000ZU_ ## soname ## _ ## fnname
 #endif
 
-ZEND_API bool ZEND_FASTCALL I_REPLACE_SONAME_FNNAME_ZU(NONE,zend_string_equal_val)(zend_string *s1, zend_string *s2)
+/* See GH-9068 */
+#if defined(__GNUC__) && (__GNUC__ >= 11 || defined(__clang__)) && __has_attribute(no_caller_saved_registers)
+# define NO_CALLER_SAVED_REGISTERS __attribute__((no_caller_saved_registers))
+# ifndef __clang__
+#  pragma GCC push_options
+#  pragma GCC target ("general-regs-only")
+# endif
+#else
+# define NO_CALLER_SAVED_REGISTERS
+#endif
+
+ZEND_API bool ZEND_FASTCALL NO_CALLER_SAVED_REGISTERS I_REPLACE_SONAME_FNNAME_ZU(NONE,zend_string_equal_val)(zend_string *s1, zend_string *s2)
 {
 	return !memcmp(ZSTR_VAL(s1), ZSTR_VAL(s2), ZSTR_LEN(s1));
 }
 
+#if defined(__GNUC__) && __GNUC__ >= 11 && !defined(__clang__) && __has_attribute(no_caller_saved_registers)
+# pragma GCC pop_options
+#endif
+
 #if defined(__GNUC__) && defined(__i386__)
 ZEND_API bool ZEND_FASTCALL zend_string_equal_val(zend_string *s1, zend_string *s2)
 {