2009-04-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39937
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
	loose type conversions.
	(forward_propagate_addr_expr): Fix tuplification bug.  Remove
	stmts only if there are no uses of its definition.

	* gcc.c-torture/compile/pr39937.c: New testcase.

From-SVN: r146973

	* config/bfin/bfin.h (splitting_loops): Declare.
	* config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
	Reorder bit definitions to be ascending.
	(WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
	* config/bfin/bfin.c (splitting_loops): New variable.
	(bfin_cpus): Add WA_LOAD_LCREGS as needed.
	(struct loop_info): Remove members INIT and LOOP_INIT.
	(bfin_optimize_loop): Don't set them.  Reorder the code that generates
	the LSETUP sequence.  Allow LC to be loaded from any register, but also
	add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
	(bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
	set to 1.
	* config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
	of reload_completed.
	From Jie Zhang:
	* config/bfin/bfin.md (movsi_insn): Refine constraints.

From-SVN: r146971

2009-04-29  Gary Dismukes  <dismukes@adacore.com>

	* sem_aggr.adb (Valid_Limited_Ancestor): Add test for the name of a
	function entity, to cover the case of a parameterless function call
	that has not been resolved.

2009-04-29  Robert Dewar  <dewar@adacore.com>

	* err_vars.ads, prj-part.adb, scans.ads, exp_tss.adb: Minor
	reformatting and comment updates.

From-SVN: r146970

2009-04-29  Arnaud Charlet  <charlet@adacore.com>

	* gnat_ugn.texi: Update some documentation about interfacing with C++
	Mention -fkeep-inline-functions.

	* gnat_ugn.texi: Minor edits

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_aggr.adb (Resolve_Record_Aggregate): When building an aggregate
	for a defaulted component of an enclosing aggregate, inherit the type
	from the component declaration of the enclosing type. 

2009-04-29  Albert Lee  <lee@adacore.com>

	* g-socthi-vms.ads, g-socthi-vxworks.ads, s-oscons-tmplt.c,
	g-socthi-mingw.ads, g-socthi.ads, g-socket.adb, g-sothco.ads
	(System.OS_Constants): New type Msg_Iovlen_T which follows whether the
	msg_iovlen field in struct msghdr is 32 or 64 bits wide.
	Relocate the Msghdr record type from GNAT.Sockets.Thin to
	GNAT.Sockets.Common, and use System.OS_Constants.Msg_Iovlen_T as the
	type for the Msg_Iovlen field.

From-SVN: r146969

2009-04-29  Vincent Celier  <celier@adacore.com>

	* sinput-l.adb (Load_File): When preprocessing, set temporarily the
	Source_File_Index_Table entries for the source, to avoid crash when
	reporting an error.

	* gnatcmd.adb (Test_If_Relative_Path): Use
	Makeutl.Test_If_Relative_Path.
	
	* makeutl.adb:(Test_If_Relative_Path): Process switches --RTS= only if
	Including_RTS is True.

	* makeutl.ads (Test_If_Relative_Path): New Boolean parameter
	Including_RTS defaulted to False.

	* sinput.ads, scans.ads, err_vars.ads: Initialize some variables with
	a default value.

2009-04-29  Javier Miranda  <miranda@adacore.com>

	* gnat_ugn.texi: Adding documentation for non-default C++ constructors.

From-SVN: r146967

sem_ch3.adb (Analyze_Object_Declaration): Disable error message associated with dyamically tagged expressions if...

2009-04-29  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Analyze_Object_Declaration): Disable error message
	associated with dyamically tagged expressions if the expression
	initializing a tagged type corresponds with a non default CPP
	constructor.
	(OK_For_Limited_Init): CPP constructor calls are OK for initialization
	of limited type objects.

	* sem_ch5.adb (Analyze_Assignment): Improve the error message reported
	when a CPP constructor is called in an assignment. Disable also the
	error message associated with dyamically tagged expressions if the
	exporession initializing a tagged type corresponds with a non default
	CPP constructor.

	* sem_prag.adb (Analyze_Pragma): Remove code disabling the use of
	non-default C++ constructors.

	* sem_util.ads, sem_util.adb (Is_CPP_Constructor_Call): New subprogram.

	* exp_tss.ads, exp_tss.adb (Base_Init_Proc): Add support for
	non-default constructors.
	(Init_Proc): Add support for non-default constructors.

	* exp_disp.adb (Set_Default_Constructor): Removed.
	(Set_CPP_Constructors): Code based in removed Set_Default_Constructor
	but extending its functionality to handle non-default constructors.

	* exp_aggr.adb (Build_Record_Aggr_Code): Add support for non-default
	constructors. Minor code cleanup removing unrequired label and goto
	statement.

	* exp_ch3.adb (Build_Initialization_Call): Add support for non-default
	constructors.
	(Build_Init_Statements): Add support for non-default constructors.
	(Expand_N_Object_Declaration): Add support for non-default constructors.
	(Freeze_Record_Type): Replace call to Set_Default_Constructor by call
	to Set_CPP_Constructors.

	* exp_ch5.adb (Expand_N_Assignment_Statement): Add support for
	non-default constructors.
	Required to handle its use in build-in-place statements.

	* gnat_rm.texi (CPP_Constructor): Document new extended use of this
	pragma for non-default C++ constructors and the new compiler support
	that allows the use of these constructors in record components, limited
	aggregates, and extended return statements.

From-SVN: r146966

2009-04-29  Vincent Celier  <celier@adacore.com>

	* prj-part.adb (Parse_Single_Project): Do not attempt to find a
	project extending an abstract project.

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>

	* targparm.ads: Fix oversight.

From-SVN: r146965

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* lib-xref.adb (Output_Overridden_Op): Follow several levels of
	derivation when necessary, to find the user-subprogram that is actally
	being overridden.

From-SVN: r146964

2009-04-29  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb (May_Be_Lvalue): Fix cases involving indexed/selected
	components

From-SVN: r146963

2009-04-29  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in (PLUGIN_VERSION_H): New.
	(OBJS-common): Remove plugin-version.o.
	(plugin.o): Depend on (PLUGIN_VERSION_H).
	(plugin-version.o): Remove.
	* configure: Regenerate
	* configure.ac: Create plugin-version.h.
	* gcc-plugin.h (plugin_gcc_version): Remove.
	(plugin_default_version_check): Change signature.
	* plugin-version.c: Remove.
	* plugin.c: Include plugin-version.h.
	(str_plugin_gcc_version_name): Remove.
	(try_init_one_plugin): Pass gcc version to plugin_init.
	(plugin_default_version_check): Both gcc and plugin versions are now
	arguments.

From-SVN: r146962

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch9.ads, exp_ch9.adb (Build_Wrapper_Spec): Use source line of
	primitive operation, rather than source line of synchronized type, when
	building the wrapper for a primitive operation that overrides an
	operation inherited from a progenitor, to improve the error message on
	duplicate declarations.

	* sem_ch3.adb (Process_Full_View): Use new signature of
	Build_Wrapper_Spec.

From-SVN: r146961

2009-04-29  Robert Dewar  <dewar@adacore.com>

	* prj-nmsc.ads: Minor reformatting

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch4.adb (Expand_N_Conditional_Expression): Set the SLOC of the
	expression on the existing parent If statement.

From-SVN: r146960

2009-04-29  Robert Dewar  <dewar@adacore.com>

	* prj-nmsc.ads: Minor reformatting

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch4.adb (Expand_N_Conditional_Expression): Set the SLOC of the
	expression on the existing parent If statement.

From-SVN: r146959

2009-04-29  Robert Dewar  <dewar@adacore.com>

	* prj-proc.adb, prj.ads: Minor reformatting

From-SVN: r146958

exp_ch4.adb (Expand_N_Conditional_Expression): Set the SLOC of an existing parent If statement on the newly created one.

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch4.adb (Expand_N_Conditional_Expression): Set the SLOC of an
	existing parent If statement on the newly created one.

From-SVN: r146957

	* config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
	DREGS rather than comparing directly.  Remove code that tries to
	account for latencies.

From-SVN: r146956

	* gnatcmd.adb, prj-proc.adb, prj-proc.ads, make.adb, prj-part.adb,
	prj-part.ads, prj.adb, prj.ads, clean.adb, prj-dect.adb, prj-dect.ads,
	prj-nmsc.adb, prj-nmsc.ads, prj-pars.adb, prj-pars.ads, prj-makr.adb
	(Set_In_Configuration, In_Configuration): Removed.
	Replaced by an extra parameter Is_Config_File in several parameter to
	avoid global variables to store the state of the parser.

From-SVN: r146955

2009-04-29  Albert Lee  <lee@adacore.com>

	* g-socthi-vxworks.ads: Change the spec of Msghdr to match the one in
	the default version of GNAT.Sockets.Thin.

	* g-socthi-vms.ads: Change the spec of Msghdr to match the one in the
	default version of GNAT.Sockets.Thin.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Specification): If the subprogram is
	an overriding operation of an inherited interface operation, and the
	controlling type is a synchronized type, we replace the type with its
	corresponding record, to match the proper signature of an overriding
	operation. The same processing must be performed for an access
	parameter whose designated type is derived from a synchronized
	interface.

From-SVN: r146954

	* pex-win32.c (pex_win32_pipe): Add _O_NOINHERIT.    
	(pex_win32_exec_child): Ensure each process has only one handle open
	on pipe endpoints. Close standard input after creating child for
	symmetry with standard output/standard error.

From-SVN: r146953

	* config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
	problematic last insns.  Test for TYPE_CALL rather than CALL_P.
	Remove special case testing for last insn of inner loops. Don't fail if
	the loop ends with a jump, emit an extra nop instead.

From-SVN: r146952

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* sinfo.ads, sinfo.adb: New attribute Next_Implicit_With, to chain
	with_clauses generated for the same unit through rtsfind, and that
	appear in the context of different units.

	* rtsfind.adb: New attribute First_Implicit_With, component of the
	Unit_Record that stores information about a unit loaded through rtsfind.

From-SVN: r146951

From-SVN: r146950

2009-04-29  Gary Dismukes  <dismukes@adacore.com>

	* exp_ch3.adb (Stream_Operation_OK): Return True for limited interfaces
	(other conditions permitting), so that abstract stream subprograms will
	be declared for them.

2009-04-29  Bob Duff  <duff@adacore.com>

	* g-expect.adb (Expect_Internal): Fix check for overfull buffer.

	* g-expect.ads: Minor comment fixes.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb, lib-xref.adb (Check_Dispatching_Operation): if the
	dispatching operation is a body without previous spec, update the list
	of primitive operations to ensure that cross-reference information is
	up-to-date.

2009-04-29  Albert Lee  <lee@adacore.com>

	* g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
	g-socthi-vxworks.ads, g-socthi-mingw.adb, g-socthi-mingw.ads,
	g-socthi.adb, g-socthi.ads, g-socket.adb, g-socket.ads
	(GNAT.Sockets.Thin.C_Readv,
	GNAT.Sockets.Thin.C_Writev): Remove unused subprograms.
	(GNAT.Sockets.Thin.C_Recvmsg,
	GNAT.Sockets.Thin.C_Sendmsg): New bindings to call recvmsg(2) and
	sendmsg(2).  
	(GNAT.Sockets.Receive_Vector, GNAT.Sockets.Send_Vector): Use
	C_Recvmsg/C_Sendmsg rather than Readv/C_Writev.

From-SVN: r146949

2009-04-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39941
	* tree-ssa-pre.c (eliminate): Schedule update-ssa after
	eliminating an indirect call.

	* gcc.c-torture/compile/pr39941.c: New testcase.

From-SVN: r146948

2009-04-29  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
	parameter.  Allow invariants as base if !require_lvalue.
	(verify_gimple_assign_single): Adjust.

From-SVN: r146947

From-SVN: r146946

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_disp.adb (Check_Dispatching_Operation): if the dispatching
	operation is a body without previous spec, update the list of
	primitive operations to ensure that cross-reference information is
	up-to-date.

	* sem_ch12.adb (Build_Instance_Compilation_Unit_Nodes): When creating a
	new compilation unit node for the instance declaration, keep the
	context items of the original unit on it, so that the context of the
	instance body only holds the context inherited from the generic body.

2009-04-29  Bob Duff  <duff@adacore.com>

	* sem_res.adb: Minor comment fix.

From-SVN: r146945

2009-04-29  Thomas Quinot  <quinot@adacore.com>

	* sem_elim.adb: Minor reformatting

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* exp_aggr.adb (Convert_To_Positional): if the current unit is a
	predefined unit, allow arbitrary number of components in static
	aggregate, to ensure that the same level of constant folding applies
	for Ada 95 and Ada 05 versions of the file.

From-SVN: r146944

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_elim.adb (Check_Eliminated): Handle new improved eliminate
	information: no need for full scope check.
	(Eliminate_Error): Do not emit error in a generic context.

2009-04-29  Ed Falis  <falis@adacore.com>

	* adaint.c (__gnat_rmdir): return error code if VTHREADS is defined.
	VxWorks 653 POS does not support rmdir.

2009-04-29  Matteo Bordin  <bordin@adacore.com>

	* s-stausa.adb, s-stausa.ads: Get_Usage_Range: changing the way
	results are printed.

From-SVN: r146943

2009-04-29  Arnaud Charlet  <charlet@adacore.com>

	* s-taskin.adb (Initialize): Remove pragma Warnings Off and remove
	unused assignment.

2009-04-29  Thomas Quinot  <quinot@adacore.com>

	* make.adb: Minor reformatting.
	Minor code reorganization throughout.

2009-04-29  Matteo Bordin  <bordin@adacore.com>

	* s-stausa.ads: Changed visibility of type Task_Result: moved to
	public part to give application visibility over it.
	This is for future improvement and to build a public API on top of it.
	Changed record components name of type Task_Result to reflect the new
	way of reporting. 

	* s-stausa.adb: Actual_Size_Str changed to reflect the new way of
	reporting Stack usage.

	* gnat_ugn.texi: Update doc of stack usage report.

	* g-tastus.ads, s-stusta.ads, s-stusta.adb: New files.

	* Makefile.rtl: Add new run-time files.

From-SVN: r146942

2009-04-29  Pascal Obry  <obry@adacore.com>

	* initialize.c: Do not expand quoted arguments.

From-SVN: r146941

2009-04-29  Emmanuel Briot  <briot@adacore.com>

	* prj-ext.adb, prj.adb, prj.ads: Fix memory leaks.

	* clean.adb (Ultimate_Extension_Of): removed, since duplicate of
	 Prj.Ultimate_Extending_Project_Of

From-SVN: r146940

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch7.adb (Build_Final_List): If the designated type is a Taft
	Amendment type, add the with_clause for Finalization.List_Controller
	only if the current context is a package body.

From-SVN: r146939

2009-04-29  Thomas Quinot  <quinot@adacore.com>

	* sem_ch12.adb: Minor reformatting

	* sem_aggr.adb: Minor reformatting

	* sem_ch6.adb, sem_cat.ads: Minor reformatting

	* sem_ch10.adb, gnat1drv.adb, prj-nmsc.adb: Minor reformatting

2009-04-29  Quentin Ochem  <ochem@adacore.com>

	* prj.ads (Source_Id): Now general pointer type.

From-SVN: r146938

2009-04-29  Thomas Quinot  <quinot@adacore.com>

	* exp_ch7.adb, rtsfind.adb: Minor reformatting

	* sem_res.adb: Minor reformatting

From-SVN: r146937

2009-04-29  Thomas Quinot  <quinot@adacore.com>

	* sem_res.adb (Static_Concatenation): An N_Op_Concat with static
	operands is static only if it is a predefined concatenation operator.

	* sem_util.adb: Minor reformatting

	* sem_ch12.adb (Save_References): When propagating semantic information
	from generic copy back to generic template, for the case of an
	identifier that has been rewritten to an explicit dereference whose
	prefix is either an object name or a parameterless funcion call
	denoting a global object or function, properly capture the denoted
	global entity: perform the corresponding rewriting in the template,
	and point the rewritten identifier to the correct global entity (not
	to the associated identifier in the generic copy).

From-SVN: r146936

2009-04-29  Robert Dewar  <dewar@adacore.com>

	* rtsfind.adb, prj-env.adb: Minor reformatting
	Minor code reorganization

2009-04-29  Emmanuel Briot  <briot@adacore.com>

	* make.adb: Fix comment

	* prj.adb (Ultimate_Extending_Project_Of): Fix handling when no project
	is given as argument, as might happen in gnatmake.

From-SVN: r146935

sem_ch3.adb (Check_Abstract_Overriding): Improve error message when an abstract operation of a progenitor is not...

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Check_Abstract_Overriding): Improve error message when
	an abstract operation of a progenitor is not properly overridden by an
	operation of a derived synchronized type.

From-SVN: r146934

2009-04-29  Robert Dewar  <dewar@adacore.com>

	* mlib-prj.adb, mlib-tgt.adb, mlib-tgt.ads, prj-nmsc.adb,
	prj-proc.adb: Minor reformatting
	Minor code reorganization

From-SVN: r146933

From-SVN: r146932