Index: sys/dev/hwpmc/hwpmc_soft.c
===================================================================
--- sys/dev/hwpmc/hwpmc_soft.c  (revision 245135)
+++ sys/dev/hwpmc/hwpmc_soft.c  (working copy)
@@ -116,7 +116,7 @@
                return (EPERM);

        ev = pm->pm_event;
-       if (ev < PMC_EV_SOFT_FIRST || ev > PMC_EV_SOFT_LAST)
+       if ((int)ev < PMC_EV_SOFT_FIRST || (int)ev > PMC_EV_SOFT_LAST)
                return (EINVAL);

        /* Check if event is registered. */
Index: sys/dev/hwpmc/hwpmc_mod.c
===================================================================
--- sys/dev/hwpmc/hwpmc_mod.c   (revision 245135)
+++ sys/dev/hwpmc/hwpmc_mod.c   (working copy)
@@ -3022,7 +3022,7 @@
                }

                nevent = 0;
-               for (ev = PMC_EV_SOFT_FIRST; ev <= PMC_EV_SOFT_LAST; ev++) {
+               for (ev = PMC_EV_SOFT_FIRST; (int)ev <= PMC_EV_SOFT_LAST; ev++) {
                        ps = pmc_soft_ev_acquire(ev);
                        if (ps == NULL)
                                continue;