5196 The cw wrapper restricts gcc to -O2

@@ -18,10 +18,12 @@
  *
  * CDDL HEADER END
  */
 
 /*
+ * Copyright 2014 Gary Mills
+ *
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 /*

@@ -31,11 +33,11 @@
  * Since the translation is inexact, this is something of a work-in-progress.
  *
  */
 
 /* If you modify this file, you must increment CW_VERSION */
-#define CW_VERSION      "1.29"
+#define CW_VERSION      "1.30"
 
 /*
  * -#           Verbose mode
  * -###         Show compiler commands built by driver, no compilation
  * -A<name[(tokens)]>   Preprocessor predicate assertion

@@ -532,20 +534,10 @@
          */
         newae(h, "-Wall");
         newae(h, "-Wextra");
 }
 
-static void
-optim_disable(struct aelist *h, int level)
-{
-        if (level >= 2) {
-                newae(h, "-fno-strict-aliasing");
-                newae(h, "-fno-unit-at-a-time");
-                newae(h, "-fno-optimize-sibling-calls");
-        }
-}
-
 /* ARGSUSED */
 static void
 Xamode(struct aelist *h)
 {
 }

@@ -1303,22 +1295,10 @@
                                                 nomem();
 
                                         level = atoi(arg + 3);
                                         if (level > 5)
                                                 error(arg);
-                                        if (level >= 2) {
-                                                /*
-                                                 * For gcc-3.4.x at -O2 we
-                                                 * need to disable optimizations
-                                                 * that break ON.
-                                                 */
-                                                optim_disable(ctx->i_ae, level);
-                                                /*
-                                                 * limit -xO3 to -O2 as well.
-                                                 */
-                                                level = 2;
-                                        }
                                         (void) snprintf(s, len, "-O%d", level);
                                         newae(ctx->i_ae, s);
                                         free(s);
                                         break;
                                 }