From 620b23ece54a0bb43189bb9c0f14adf447cbafe6 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 24 Nov 2016 06:13:11 +0100 Subject: score: Optimize _Thread_queue_Enqueue() Move thread state for _Thread_queue_Enqueue() to the thread queue context. This reduces the parameter count of _Thread_queue_Enqueue() from five to four (ARM for example has only four function parameter registers). Since the thread state is used after several function calls inside _Thread_queue_Enqueue() this parameter was saved on the stack previously. --- cpukit/score/src/corebarrierwait.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'cpukit/score/src/corebarrierwait.c') diff --git a/cpukit/score/src/corebarrierwait.c b/cpukit/score/src/corebarrierwait.c index 4e8709d355..f47c039e7b 100644 --- a/cpukit/score/src/corebarrierwait.c +++ b/cpukit/score/src/corebarrierwait.c @@ -44,12 +44,15 @@ Status_Control _CORE_barrier_Seize( return STATUS_BARRIER_AUTOMATICALLY_RELEASED; } else { the_barrier->number_of_waiting_threads = number_of_waiting_threads; + _Thread_queue_Context_set_thread_state( + queue_context, + STATES_WAITING_FOR_BARRIER + ); _Thread_queue_Context_set_do_nothing_enqueue_callout( queue_context ); _Thread_queue_Enqueue( &the_barrier->Wait_queue.Queue, CORE_BARRIER_TQ_OPERATIONS, executing, - STATES_WAITING_FOR_BARRIER, queue_context ); return _Thread_Wait_get_status( executing ); -- cgit v1.2.3