rs6000.c (rs6000_option_override_internal): Set default loop peeling limits.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Set
	default loop peeling limits.

From-SVN: r194271

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cecd1efbd70ca217124c29ca29534f432cf2217e..3045f2b2e3256a93a7decc75327805c2d4b6f7b6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-06  Pat Haugen <pthaugen@us.ibm.com>
+
+       * config/rs6000/rs6000.c (rs6000_option_override_internal): Set
+       default loop peeling limits.
+               
 2012-12-06  Jason Merrill  <jason@redhat.com>
 
        PR c++/55032

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 7f607a63b3c24b7469fa86d16951b6b5fa8e5d1f..65ac42d71d10b86e9982625be424b64801c16d51 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -3120,6 +3120,14 @@ rs6000_option_override_internal (bool global_init_p)
                             global_options.x_param_values,
                             global_options_set.x_param_values);
 
+      /* Increase loop peeling limits based on performance analysis. */
+      maybe_set_param_value (PARAM_MAX_PEELED_INSNS, 400,
+                            global_options.x_param_values,
+                            global_options_set.x_param_values);
+      maybe_set_param_value (PARAM_MAX_COMPLETELY_PEELED_INSNS, 400,
+                            global_options.x_param_values,
+                            global_options_set.x_param_values);
+
       /* If using typedef char *va_list, signal that
         __builtin_va_start (&ap, 0) can be optimized to
         ap = __builtin_next_arg (0).  */