2012-05-15  Robert Dewar  <dewar@adacore.com>

	* g-comlin.adb, g-comlin.ads: Minor reformatting.

2012-05-15  Vincent Pucci  <pucci@adacore.com>

	* aspects.adb, aspects.adb: Reordering of the Aspect_Idi list. New
	aspect Aspect_Lock_Free.
	* einfo.adb, einfo.ads: New flag Uses_Lock_Free (flag 188).
	(Set_Uses_Lock_Free): New routine.
	(Uses_Lock_Free): New routine.
	* exp_ch7.adb (Is_Simple_Protected_Type): Return False for
	lock-free implementation.
	* exp_ch9.adb (Allows_Lock_Free_Implementation): Moved to Sem_Ch9.
	(Build_Lock_Free_Unprotected_Subprogram_Body): Protected
	procedure uses __sync_synchronise. Check both Object_Size
	and Value_Size.
	(Expand_N_Protected_Body): Lock_Free_Active
	renames Lock_Free_On.
	(Expand_N_Protected_Type_Declaration):
	_Object field removed for lock-free implementation.
	(Install_Private_Data_Declarations): Protection object removed
	for lock-free implementation.
	(Make_Initialize_Protection):
	Protection object initialization removed for lock-free implementation.
	* rtsfind.ads: RE_Atomic_Synchronize and RE_Relaxed added.
	* sem_ch13.adb (Analyze_Aspect_Specifications): Aspect_Lock_Free
	analysis added.
	* sem_ch9.adb (Allows_Lock_Free_Implementation): New routine.
	(Analyze_Protected_Body): Allows_Lock_Free_Implementation call added.
	(Analyze_Protected_Type_Declaration):
	Allows_Lock_Free_Implementation call added.
	(Analyze_Single_Protected_Declaration): Second analysis of
	aspects removed.
	* s-atopri.ads: Header added.
	(Atomic_Synchronize): New routine.

2012-05-15  Robert Dewar  <dewar@adacore.com>

	* exp_ch7.ads: Add comment.

From-SVN: r187505