5042 stop using deprecated atomic functions

@@ -656,11 +656,12 @@
         for (ndx = orig = cyclic_coverage_hash(why) % CY_NCOVERAGE; ; ) {
                 if (cyc_coverage[ndx].cyv_why == why)
                         break;
 
                 if (cyc_coverage[ndx].cyv_why != NULL ||
-                    casptr(&cyc_coverage[ndx].cyv_why, NULL, why) != NULL) {
+                    atomic_cas_ptr(&cyc_coverage[ndx].cyv_why, NULL, why) !=
+                    NULL) {
 
                         if (++ndx == CY_NCOVERAGE)
                                 ndx = 0;
 
                         if (ndx == orig)

@@ -1217,13 +1218,14 @@
                                 ASSERT(cyclic->cy_arg == arg);
                                 goto reread;
                         }
 
                         if ((opend =
-                            cas32(&cyclic->cy_pend, pend, npend)) != pend) {
+                            atomic_cas_32(&cyclic->cy_pend, pend, npend)) !=
+                            pend) {
                                 /*
-                                 * Our cas32 can fail for one of several
+                                 * Our atomic_cas_32 can fail for one of several
                                  * reasons:
                                  *
                                  *  (a) An intervening high level bumped up the
                                  *      pend count on this cyclic.  In this
                                  *      case, we will see a higher pend.

@@ -1309,11 +1311,12 @@
                 ASSERT(cpu->cyp_state == CYS_EXPANDING);
 
                 do {
                         lev = cpu->cyp_modify_levels;
                         nlev = lev + 1;
-                } while (cas32(&cpu->cyp_modify_levels, lev, nlev) != lev);
+                } while (atomic_cas_32(&cpu->cyp_modify_levels, lev, nlev) !=
+                    lev);
 
                 /*
                  * If we are the last soft level to see the modification,
                  * post on cyp_modify_wait.  Otherwise, (if we're not
                  * already at low level), post down to the next soft level.