diff --git a/kernel/power/cdot.c b/kernel/power/cdot.c
index c53fe0c02..e819ea606 100644
--- a/kernel/power/cdot.c
+++ b/kernel/power/cdot.c
@@ -29,6 +29,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "common.h"
 #if defined(POWER10)
+#pragma GCC optimize "O1"
 #include "cdot_microk_power10.c"
 #else
 #ifndef HAVE_KERNEL_8
diff --git a/kernel/power/zdot.c b/kernel/power/zdot.c
index fe0e9284e..2945b5c60 100644
--- a/kernel/power/zdot.c
+++ b/kernel/power/zdot.c
@@ -38,6 +38,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #if defined(POWER8) || defined(POWER9) || defined(POWER10)
 #if defined(__VEC__) || defined(__ALTIVEC__)
+#pragma GCC optimize "O1"
 #include "zdot_microk_power8.c"
 #endif
 #endif