rs6000.c (rs6000_option_override_internal): Don't force flag_ira_loop_pressure…

rs6000.c (rs6000_option_override_internal): Don't force flag_ira_loop_pressure if set via command line.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
	force flag_ira_loop_pressure if set via command line.

From-SVN: r206982

gcc/ChangeLog

+2014-01-23  Pat Haugen  <pthaugen@us.ibm.com>
+
+	* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
+	force flag_ira_loop_pressure if set via command line.
+
 2014-01-23  Alex Velenko  <Alex.Velenko@arm.com>
 
 	* config/aarch64/aarch64-simd-builtins.def (ashr): DI mode removed.

gcc/config/rs6000/rs6000.c

@@ -3039,7 +3039,8 @@ rs6000_option_override_internal (bool global_init_p)
      calculation works better for RTL loop invariant motion on targets
      with enough (>= 32) registers.  It is an expensive optimization.
      So it is on only for peak performance.  */
-  if (optimize >= 3 && global_init_p)
+  if (optimize >= 3 && global_init_p
+      && !global_options_set.x_flag_ira_loop_pressure)
     flag_ira_loop_pressure = 1;
 
   /* Set the pointer size.  */