diff --git a/tools/testing/selftests/x86/helpers.h b/tools/testing/selftests/x86/helpers.h
index f5ff2a2615df..4ef42c4559a9 100644
--- a/tools/testing/selftests/x86/helpers.h
+++ b/tools/testing/selftests/x86/helpers.h
@@ -6,36 +6,20 @@
 
 static inline unsigned long get_eflags(void)
 {
-	unsigned long eflags;
-
-	asm volatile (
 #ifdef __x86_64__
-		"subq $128, %%rsp\n\t"
-		"pushfq\n\t"
-		"popq %0\n\t"
-		"addq $128, %%rsp"
+	return __builtin_ia32_readeflags_u64();
 #else
-		"pushfl\n\t"
-		"popl %0"
+	return __builtin_ia32_readeflags_u32();
 #endif
-		: "=r" (eflags) :: "memory");
-
-	return eflags;
 }
 
 static inline void set_eflags(unsigned long eflags)
 {
-	asm volatile (
 #ifdef __x86_64__
-		"subq $128, %%rsp\n\t"
-		"pushq %0\n\t"
-		"popfq\n\t"
-		"addq $128, %%rsp"
+	__builtin_ia32_writeeflags_u64(eflags);
 #else
-		"pushl %0\n\t"
-		"popfl"
+	__builtin_ia32_writeeflags_u32(eflags);
 #endif
-		:: "r" (eflags) : "flags", "memory");
 }
 
 #endif /* __SELFTESTS_X86_HELPERS_H */