2009-07-10 Joel Sherrill <joel.sherrill@OARcorp.com>

* configure.ac, score/src/threadqenqueuepriority.c: Add
	RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY to give user ability to
	disable the loop in _Thread_queue_Enqueue_priority from being
	unrolled. This reduces code size and makes coverage analysis easier.

cpukit/ChangeLog

@@ -1,3 +1,10 @@
+2009-07-10	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	* configure.ac, score/src/threadqenqueuepriority.c: Add
+	RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY to give user ability to
+	disable the loop in _Thread_queue_Enqueue_priority from being
+	unrolled. This reduces code size and makes coverage analysis easier.
+
 2009-07-09	Joel Sherrill <joel.sherrill@OARcorp.com>
 
 	* score/src/watchdogadjusttochain.c: Rework to ease code coverage

cpukit/configure.ac

@@ -232,6 +232,12 @@ RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__],
   [1],
   [disable inlining _Thread_Enable_dispatch])
 
+## This improves both the size and coverage analysis.
+RTEMS_CPUOPT([__RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY__],
+  [test x"${RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY}" = x"1"],
+  [1],
+  [disable inlining _Thread_queue_Enqueue_priority])
+
 ## This gives the same behavior as 4.8 and older
 RTEMS_CPUOPT([__RTEMS_STRICT_ORDER_MUTEX__],
   [test x"${ENABLE_STRICT_ORDER_MUTEX}" = x"1"],

cpukit/score/src/threadqenqueuepriority.c

@@ -1,8 +1,7 @@
 /*
- *  Thread Queue Handler
+ *  Thread Queue Handler - Enqueue By Priority
  *
- *
- *  COPYRIGHT (c) 1989-2008.
+ *  COPYRIGHT (c) 1989-2009.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -25,6 +24,14 @@
 #include <rtems/score/threadq.h>
 #include <rtems/score/tqdata.h>
 
+/*
+ *  Support the user forcing the unrolling to be disabled.
+ */
+#if __RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY__
+  #undef CPU_UNROLL_ENQUEUE_PRIORITY
+  #define CPU_UNROLL_ENQUEUE_PRIORITY FALSE
+#endif
+
 /*PAGE
  *
  *  _Thread_queue_Enqueue_priority