2008-04-09 Doug Rupp <rupp@adacore.com>

	* decl.c (validate_size): Set minimum size for fat pointers same as
	access types. Code clean ups.

	* gmem.c (xstrdup32): New macro for 32bit dup on VMS, noop otherwise
	(__gnat_gmem_a2l_initialize): Dup exename into 32 bit memory on VMS

	* s-auxdec-vms_64.ads, s-auxdec.ads (Short_Address_Size): New constant

	* s-crtl.ads (malloc32) New function, alias for malloc
	(realloc32) New function, alias for realloc

	* socket.c (__gnat_new_socket_set): Malloc fd_set in 32 bits on VMS

	* utils2.c (build_call_alloc_dealloc): Return call to short malloc if
	allocator size is 32 and default pointer size is 64.
	(find_common_type): Document assumption on t1/t2 vs lhs/rhs. Force use of
	lhs type if smaller, whatever the modes.

	* gigi.h (malloc32_decl): New macro definition

	* utils.c (init_gigi_decls): New malloc32_decl
	Various code clean ups.

	* s-asthan-vms-alpha.adb (Process_AST.To_Address): Unchecked convert to
	Task_Address vice System.Address.

	* s-taspri-vms.ads: Import System.Aux_DEC
	(Task_Address): New subtype of System.Aux_DEC.Short_Address
	(Task_Address_Size): New constant size of System.Aux_DEC.Short_Address

	* s-asthan-vms-alpha.adb (Process_AST.To_Address): Unchecked convert to
	Task_Address vice System.Address.

	* s-inmaop-vms.adb: Import System.Task_Primitives
	(To_Address): Unchecked convert to Task_Address vice System.Address

	* s-taprop-vms.adb (Timed_Delay): Always set the timer even if delay
	expires now.
	(To_Task_ID) Unchecked convert from Task_Adddress vice System.Address
	(To_Address) Unchecked convert to Task_Address vice System.Address

	* s-tpopde-vms.adb: Remove unnecessary warning pragmas

	* g-socthi-vms.ads: Add 32bit size clauses on socket access types.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@134131 138bc75d-0d04-0410-961f-82ee72b054a4

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