tm.texi (TARGET_IRA_COVER_CLASSES): Define.

gcc/
	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Define.
	(IRA_COVER_CLASSES): Refer to TARGET_IRA_COVER_CLASSES.
	* target.h (gcc_target): Add ira_cover_classes.
	* ira.c: Remove IRA_COVER_CLASSES guards.
	(setup_cover_and_important_classes): Use targetm.ira_cover_classes
	instead of IRA_COVER_CLASSES.
	(setup_cover_and_important_classes): Remove IRA_COVER_CLASSES guard.
	(setup_class_translate): Likewise.
	(setup_reg_class_intersect_union): Likewise.
	(find_reg_class_closure): Replace IRA_COVER_CLASSES guard with a
	test of targetm.ira_cover_classes.
	* opts.c (decode_options): Use targetm.ira_cover_classes instead
	of IRA_COVER_CLASSES.
	* target-def.h (TARGET_IRA_COVER_CLASSES): Define.
	(TARGET_INITIALIZER): Include it.
	* targhooks.h (default_ira_cover_classes): Declare.
	* targhooks.c (default_ira_cover_classes): New function.

From-SVN: r140512

1 files changed, 3 insertions, 6 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index b45c0c5..6e210ea 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -870,10 +870,9 @@ decode_options (unsigned int argc, const char **argv)
 	}
     }
   
-#ifdef IRA_COVER_CLASSES
   /* Use IRA if it is implemented for the target.  */
-  flag_ira = 1;
-#endif
+  if (targetm.ira_cover_classes)
+    flag_ira = 1;
 
   /* -O1 optimizations.  */
   opt1 = (optimize >= 1);
@@ -1097,13 +1096,11 @@ decode_options (unsigned int argc, const char **argv)
   if (!flag_sel_sched_pipelining)
     flag_sel_sched_pipelining_outer_loops = 0;
 
-#ifndef IRA_COVER_CLASSES
-  if (flag_ira)
+  if (flag_ira && !targetm.ira_cover_classes)
     {
       inform (input_location, "-fira does not work on this architecture");
       flag_ira = 0;
     }
-#endif
 
   /* Save the current optimization options if this is the first call.  */
   if (first_time_p)