re PR rtl-optimization/32636 (25_algorithms/search_n/iterator.cc: miscompiled on…

re PR rtl-optimization/32636 (25_algorithms/search_n/iterator.cc: miscompiled on hppa2.0w-hp-hpux11.11)

	PR rtl-optimization/32636
	* df-scan.c (df_get_entry_block_def_set): Set struct_value_rtx
	regno in entry_block_defs even if HAVE_prologue && epilogue_completed.

From-SVN: r130907

gcc/ChangeLog

+2007-12-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/32636
+	* df-scan.c (df_get_entry_block_def_set): Set struct_value_rtx
+	regno in entry_block_defs even if HAVE_prologue && epilogue_completed.
+
 2007-12-13  Uros Bizjak  <ubizjak@gmail.com>
 	    Richard Guenther  <rguenther@suse.de>
 

gcc/df-scan.c

@@ -3530,12 +3530,12 @@ df_get_entry_block_def_set (bitmap entry_block_defs)
       bitmap_set_bit (entry_block_defs, STATIC_CHAIN_REGNUM);
 #endif
 #endif
-      
-      r = targetm.calls.struct_value_rtx (current_function_decl, true);
-      if (r && REG_P (r))
-	bitmap_set_bit (entry_block_defs, REGNO (r));
     }
 
+  r = targetm.calls.struct_value_rtx (current_function_decl, true);
+  if (r && REG_P (r))
+    bitmap_set_bit (entry_block_defs, REGNO (r));
+
   if ((!reload_completed) || frame_pointer_needed)
     {
       /* Any reference to any pseudo before reload is a potential