* opts.c (decode_options): Enable unit-at-a-time by default at -O1.

From-SVN: r101287

gcc/ChangeLog

+2005-06-24  Jan Hubicka  <jh@suse.cz>
+
+	* opts.c (decode_options): Enable unit-at-a-time by default at -O1.
+
 2005-06-23  Jeff Law  <law@redhat.com>
 
 	* tree-optimize.c (init_tree_optimization_passes): Move

gcc/opts.c

@@ -534,6 +534,7 @@ decode_options (unsigned int argc, const char **argv)
       flag_tree_copy_prop = 1;
       flag_tree_sink = 1;
       flag_tree_salias = 1;
+      flag_unit_at_a_time = 1;
 
       if (!optimize_size)
 	{
@@ -569,7 +570,6 @@ decode_options (unsigned int argc, const char **argv)
       flag_delete_null_pointer_checks = 1;
       flag_reorder_blocks = 1;
       flag_reorder_functions = 1;
-      flag_unit_at_a_time = 1;
       flag_tree_store_ccp = 1;
       flag_tree_store_copy_prop = 1;
       flag_tree_vrp = 1;

gcc/testsuite/ChangeLog

+2005-06-24  Jan Hubicka  <jh@suse.cz>
+
+	* gcc.dg/tree-ssa/20040210-1.c: Fix for unit-at-a-time
+
 2005-06-23  Ziemowit Laski  <zlaski@apple.com>
 
 	* obj-c++.dg/proto-lossage-[1-4].mm: New.

gcc/testsuite/gcc.dg/tree-ssa/20040210-1.c

@@ -7,7 +7,7 @@ void exit(int);
 
 int x, y;
 
-static void
+static void __attribute__ ((noinline))
 init_xy(void)
 {
   x = 3;