and applies them to the use of cgraph_node, varpool_node, and symtab_node.

The functions are:

bool is_a <TYPE> (pointer)
  Tests whether the pointer actually points to a more derived TYPE.

TYPE *as_a <TYPE> (pointer)
  Converts pointer to a TYPE*.

TYPE *dyn_cast <TYPE> (pointer)
  Converts pointer to TYPE* if and only if "is_a <TYPE> pointer".
  Otherwise, returns NULL.
  This function is essentially a checked down cast.

These functions reduce compile time and increase type safety when treating a
generic item as a more specific item.  In essence, the code change is from

  if (symtab_function_p (node))
    {
      struct cgraph_node *cnode = cgraph (node);
      ....
    }

to

  if (cgraph_node *cnode = dyn_cast <cgraph_node> (node))
    {
      ....
    }

The necessary conditional test defines a variable that holds a known good
pointer to the specific item and avoids subsequent conversion calls and
the assertion checks that may come with them.

When, the property test is embedded within a larger condition, the variable
declaration gets pulled out of the condition.  (This leaves some room for
using the variable inappropriately.)

  if (symtab_variable_p (node)
      && varpool (node)->finalized)
    varpool_analyze_node (varpool (node));

becomes

  varpool_node *vnode = dyn_cast <varpool_node> (node);
  if (vnode && vnode->finalized)
    varpool_analyze_node (vnode);

Note that we have converted two sets of assertions in the calls to varpool
into safe and efficient use of a variable.


There are remaining calls to symtab_function_p and symtab_variable_p that
do not involve a pointer to a more specific type.  These have been converted
to calls to a functions is_a <cgraph_node> and is_a <varpool_node>.  The
original predicate functions have been removed.

The cgraph.h header defined both a struct and a function with the name
varpool_node.  This name overloading can cause some unintuitive error messages
when, as is common in C++, one omits the struct keyword when using the type.
I have renamed the function to varpool_node_for_decl.

Tested on x86_64.


Index: gcc/ChangeLog

2012-10-31  Lawrence Crowl  <crowl@google.com>

	* is-a.h: New.
	(is_a <T> (U*)): New.  Test for is-a relationship.
	(as_a <T> (U*)): New.  Treat as a derived type.
	(dyn_cast <T> (U*)): New.  Conditionally cast based on is_a.
	* cgraph.h (varpool_node): Rename to varpool_node_for_decl.
	Adjust callers to match.
	(is_a_helper <cgraph_node>::test (symtab_node_def *)): New.
	(is_a_helper <varpool_node>::test (symtab_node_def *)): New.
	(symtab_node_def::try_function): New.  Change most calls to
	symtab_function_p with calls to dyn_cast <cgraph_node> (p).
	(symtab_node_def::try_variable): New.  Change most calls to
	symtab_variable_p with calls to dyn_cast <varpool_node> (p).
	(symtab_function_p): Remove.  Change callers to use
        is_a <cgraph_node> (p) instead.
	(symtab_variable_p): Remove.  Change callers to use
        is_a <varpool_node> (p) instead.
	* cgraph.c (cgraph_node_for_asm): Remove redundant call to
	symtab_node_for_asm.
	* cgraphunit.c (symbol_finalized_and_needed): New.
	(symbol_finalized): New.
	(cgraph_analyze_functions): Split complicated conditionals out into
	above new functions.
	* Makefile.in (CGRAPH_H): Add is-a.h as used by cgraph.h.

From-SVN: r193051

From-SVN: r192998

From-SVN: r192947

2012-10-29  Pascal Obry  <obry@adacore.com>

	* xoscons.adb, Make-generated.in; The template used by xoscons is now
	given as parameter.
	* gcc-interface/Make-lang.in: Update dependencies.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* exp_dbug.adb (Qualify_Entity_Name): Only do renaming in formal
	verification mode when there is a homonym.

From-SVN: r192942

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* xoscons.adb: Minor reformatting.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* exp_alfa.adb (Expand_Alfa): Backtrack change that removed
	qualification of names in formal verification mode. Instead,
	the qualification should be modified.
	* exp_dbug.adb (Qualify_Entity_Name): Modify qualification in formal
	verification mode, so that only a suffix is added to distinguish
	homonyms from the same scope.

From-SVN: r192940

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document that pragma Optimize_Alignment (Space) is
	ignored with a warning for packed variable length records.

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* socket.c, g-socthi-dummy.adb, g-socthi-dummy.ads, g-socthi-vms.adb,
	g-socthi-vms.ads, g-socthi-vxworks.adb, g-socthi-vxworks.ads,
	s-oscons-tmplt.c, g-socthi-mingw.adb, g-socthi-mingw.ads, g-socthi.adb,
	g-socthi.ads, xoscons.adb, g-socket.adb, g-sothco.ads: Introduce an
	appropriate subtype for IOCTL requests, since these may be signed or
	unsigned.

From-SVN: r192939

2012-10-29  Gary Dismukes  <dismukes@adacore.com>

	* exp_alfa.adb: Minor reformatting.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi, gnat_ugn.texi: Clarify documentation on maximum
	line length style switch.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* layout.adb (Set_Composite_Alignment): Ignore pragma
	Optimize_Alignment (Space) for packed variable length records.

From-SVN: r192938

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* s-bignum.adb: Minor comment change.

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* s-oscons-tmplt.c: Fix signedness of ioctl request identifiers
	for x86_64-freebsd.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* exp_alfa.adb (Expand_Alfa): Remove qualification of names.

From-SVN: r192937

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb: Minor reformatting.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Minor rewording.

2012-10-29  Javier Miranda  <miranda@adacore.com>

	* exp_disp.ads (Is_Expanded_Dispatching_Call): New subprogram.
	* exp_disp.adb (Expand_Dispatching_Call): No action needed if the
	call has been already expanded.
	(Is_Expanded_Dispatching_Call): New subprogram.
	* sem_disp.adb (Propagate_Tag): No action needed if the call
	has been already expanded.

2012-10-29  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch9.adb (Create_Index_And_Data): Remove local
	variable Index_Typ and its uses. The type of the index is now
	System.Tasking.Entry_Index. Update all related comments.
	* rtsfind.ads: Add RE_Entry_Index in tables RE_Id and RE_Unit_Table.
	* s-taskin.adb (Number_Of_Entries): The return type is now Entry_Index.
	* s-taskin.ads: The index type of Task_Entry_Names_Array is now
	Entry_Index.
	(Number_Of_Entries): The return type is now Entry_Index.
	* s-tpoben.adb (Number_Of_Entries): The return type is now Entry_Index.
	* s-tpoben.ads: The index type of Protected_Entry_Names_Array
	is now Entry_Index.
	(Number_Of_Entries): The return type is now Entry_Index.

2012-10-29  Pascal Obry  <obry@adacore.com>

	* gnat_ugn.texi: Add note about SEH setup on x86-windows.

2012-10-29  Eric Botcazou  <ebotcazou@adacore.com>

	* s-bignum.adb (Allocate_Bignum): Use the exact layout of
	Bignum_Data for the overlay.

From-SVN: r192936

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* gnat_rm.texi, sem_prag.adb, sem_util.adb, sem_util.ads,
	par-prag.adb, par-util.adb, snames.ads-tmpl (Sem_Prag.Analyze_Pragma):
	Handle new pragma Attribute_Definition.
	(Sem_Util.Bad_Attribute): New routine, moved here
	from par-util, so that it can be used by the above.
	(Par_Util.Signal_Bad_Attribute): Processing moved to
	Sem_Util.Bad_Attribute.

From-SVN: r192935

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* s-tpoben.ads, s-taskin.ads, exp_ch3.adb: Minor reformatting.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* sem_prag.adb, gnat1drv.adb, opt.ads: Rename S14_Extensions
	into Formal_Extensions.

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* sem_attr.adb: Minor reformatting.

From-SVN: r192934

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* gnat_rm.texi: Document implementation advice for Pragma
	Partition_Elaboration_Policy.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* s-bignum.adb (Div_Rem): Reference that Algorithm_D is from
	the second edition of TAOCP from Knuth, since the algo changed
	in the third edition. Also correct the definition of 'd' which
	could overflow.

2012-10-29  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch3.adb (Build_Initialization_Call): Create static strings
	which denote entry [family] names and associate them with the
	object's Protection_Entries or ATCB.
	(Build_Init_Statements):
	Remove local variable Names. Do not generate the entry [family]
	names inside the init proc because they are now static.
	* exp_ch9.adb (Build_Entry_Names): Reimplemented. The strings
	which denote entry [family] names are now generated statically
	and associated with the concurrent object's Protection_Entries
	or ATCB during initialization.
	* exp_ch9.ads (Build_Entry_Names): Change subprogram profile
	and associated comment on usage.
	* rtsfind.ads: Add the following entries to tables RE_Id and
	RE_Unit_Table:

	RE_Protected_Entry_Names_Array RE_Task_Entry_Names_Array
	RO_PE_Number_Of_Entries RO_PE_Set_Entry_Names
	RO_ST_Number_Of_Entries RO_ST_Set_Entry_Names

	Remove the following entries from tables RE_Id and RE_Unit_Table:

	RO_PE_Set_Entry_Name RO_TS_Set_Entry_Name

	* s-taskin.adb: Remove with clause for Ada.Unchecked_Deallocation.
	(Free_Entry_Names_Array): Removed.
	(Number_Of_Entries): New routine.
	(Set_Entry_Names): New routine.
	* s-taskin.ads: Rename type Entry_Names_Array to
	Task_Entry_Names_Array. Rename type Entry_Names_Array_Access
	to Task_Entry_Names_Access. Update the type of ACTB field
	Entry_Names and add a comment on its protection status.
	(Free_Entry_Names_Array): Removed.
	(Number_Of_Entries): New routine.
	(Set_Entry_Names): New routine.
	* s-tassta.adb (Create_Task): Remove formal parameter
	Build_Entry_Names. Do not allocate an array to hold the
	string names of entries and families.
	(Free_Entry_Names): Removed.
	(Free_Task): Remove the call to Free_Entry_Names.
	(Set_Entry_Name): Removed.
	(Vulnerable_Free_Task): Remove the call to Free_Entry_Names.
	* s-tassta.ads (Create_Task): Remove formal parameter
	Build_Entry_Names along with associated comment.
	(Set_Entry_Name): Removed.
	* s-tpoben.adb: Remove with clause for Ada.Unchecked_Deallocation.
	(Finalize): Remove the call to Free_Entry_Names.
	(Free_Entry_Names): Removed.
	(Initialize_Protection_Entries):
	Remove formal parameter Build_Entry_Names. Do not allocate
	an array to hold the string names of entries and families.
	(Number_Of_Entries): New routine.
	(Set_Entry_Name): Removed.
	(Set_Entry_Names): New routine.
	* s-tpoben.ads: Add types Protected_Entry_Names_Array and
	Protected_Entry_Names_Access. Update the type of Protection_Enties
	field Entry_Names.
	(Initialize_Protection_Entries): Remove
	formal parameter Build_Entry_Names along with associated comment.
	(Number_Of_Entries): New routine.
	(Set_Entry_Name): Removed.
	(Set_Entry_Names): New routine.

2012-10-29  Arnaud Charlet  <charlet@adacore.com>

	* gnat_ugn.texi: Minor typo fix.

From-SVN: r192933

2012-10-29  Yannick Moy  <moy@adacore.com>

	* debug.adb Associate debug switch -gnatd.V to extensions for
	formal verification.
	* gnat1drv.adb (Adjust_Global_Switches): Set flag S14_Extensions
	when -gnatd.V is set.
	* gnat_rm.texi: Remove doc for Assert_And_Cut.
	* opt.ads Declare new flag S14_Extensions, to be set when new
	aspects/pragmas/attributes for formal verification should be
	accepted.
	* sem_prag.adb (Analyze_Pragma): Check that S14_Extensions is
	set when treating pragma Assert_And_Cut.

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* s-tarest.ads, s-tassta.adb: Add a pragma Partition_Elaboration_Policy.

From-SVN: r192931

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* freeze.adb: Minor reformatting.

From-SVN: r192930

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* xr_tabls.adb, xr_tabls.ads, exp_ch9.adb, snames.adb-tmpl,
	snames.ads-tmpl, exp_ch3.adb: Minor reformatting.

2012-10-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb: Call Build_Subprogrm_Instance_Renamings only when
	generating code.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Add documentation for -gnatw.k/-gnatw.K.
	* ug_words: Add entries for -gnatw.k/.K for [NO]STANDARD_REDEFINITION.
	* vms_data.ads: Add entries for [NO]STANDARD_REDEFINITION.

From-SVN: r192929

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb, s-tarest.ads, exp_ch3.adb: Update comments.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Minor documentation addition.

2012-10-29  Emmanuel Briot  <briot@adacore.com>

	* xr_tabls.adb, xr_tabls.ads (Add_Declaration, Add_Reference): No
	longer assume that a parameter declaration is seen after the subprogram
	that uses it.

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* lib-writ.adb (Write_ALI): Emit partition elaboration policy
	in P line.
	* lib-writ.ads: Document partition elaboration policy indication.
	* sem_prag.adb (Check_Arg_Is_Partition_Elaboration_Policy): New
	procedure.
	(Analyze_Pragma): Handle Partition_Elaboration_Policy.
	(Sig_Flags): Add flag for Pragma_Partition_Elaboration_Policy
	* ali.adb (Initialize_ALI): Init Partition_Elaboration_Policy_Specified.
	(Scan_ALI): Read Ex indications.
	* ali.ads: ALIs_Record: Add Partition_Elaboration_Policy.
	* par-prag.adb (Prag): Add Partition_Elaboration_Policy.
	* snames.adb-tmpl (Is_Partition_Elaboration_Policy_Name): New function.
	* opt.ads (Partition_Elaboration_Policy): Declare.
	(Partition_Elaboration_Policy_Sloc): Declare.
	* bcheck.adb (Check_Consistent_Partition_Elaboration_Policy):
	New procedure.	(Check_Configuration_Consistency): Check partition
	elaboration policy consistency.
	* snames.ads-tmpl (Name_Partition_Elaboration_Policy): New name.
	(First_Partition_Elaboration_Policy_Name, Name_Concurrent,
	Name_Sequential, Last_Partition_Elaboration_Policy_Name): Likewise.
	(Pragma_Partition_Elaboration_Policy): New literal.
	(Is_Partition_Elaboration_Policy_Name): New function.

2012-10-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Is_Public_Subprogram_For): Handle properly
	expression functions, which are rewritten as subprogram
	declarations, when generating invariants for its return value
	and in-out parameters.

From-SVN: r192928

2012-10-29  Arnaud Charlet  <charlet@adacore.com>

	* warnsw.adb (Set_GNAT_Mode_Warnings): Unset
	Warn_On_Standard_Redefinition.

2012-10-29  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Derive_Progenitor_Subprograms): Complete documentation.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* par-ch11.adb (Warn_If_Standard_Redefinition): Add calls.
	* par-ch3.adb (P_Defining_Identifier): Call
	Warn_If_Standard_Redefinition if not inside record definition.
	* par-ch6.adb (Warn_If_Standard_Redefinition): Add calls.
	* par-util.adb (Warn_If_Standard_Redefinition): New procedure.
	* par.adb (Inside_Record_Definition): New flag.
	(Warn_If_Standard_Redefinition): New procedure.
	* sinfo-cn.adb (Change_Identifier_To_Defining_Identifier): Remove
	handling of warning for redefining standard name (moved to Par*).

From-SVN: r192927

2012-10-29  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Derive_Progenitor_Subprograms): Disable small
	optimization in generic formal types.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* exp_ch9.adb, exp_ch3.adb: Add comments.
	* sem_prag.adb: Minor reformatting.

From-SVN: r192926

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* bindgen.adb (Gen_Output_File_Ada): Do not emit declaration for
	Is_Elaborated if not referenced.

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Build_Activation_Chain_Entity): Punt in restricted
	profile.
	* exp_ch3.adb (Build_Initialization_Call): Do no append _Chain
	parameter in restricted profile.
	(Build_Init_Call_Thru): Likewise.
	(Init_Formals): Likewise.
	* exp_ch3.adb: Minor reformatting.

From-SVN: r192925

2012-10-29  Arnaud Charlet  <charlet@adacore.com>

	* usage.adb: Update usage line for -gnatw.k.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* sem_prag.adb: Code clean up.

From-SVN: r192924

2012-10-29  Arnaud Charlet  <charlet@adacore.com>

	* s-win32.ads: Kill potential warning.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Describe new pragma Assert_And_Cut.
	* par-prag.adb, sem_prag.adb, snames.ads-tmpl: Add new pragma
	and treat it like pragma Assert.

From-SVN: r192923

2012-10-29  Vincent Celier  <celier@adacore.com>

	* projects.texi: Clarify documentation of attribute
	Ignore_Source_Sub_Dirs.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* g-sechas.adb, g-sechas.ads, exp_ch9.adb, bindgen.adb, exp_dbug.adb,
	exp_dbug.ads: Minor reformatting.

From-SVN: r192922

2012-10-29  Pascal Obry  <obry@adacore.com>

	* g-sechas.adb, g-sechas.ads: (Binary_Message_Digest): New subtype.
	(Digest): New versions returning a Binary_Message_Digest.
	(Wide_Digest): Likewise.

From-SVN: r192921

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* warnsw.adb: Complete previous change.

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* bindgen.adb (Check_File_In_Partition, Check_System_Restrictions_Used):
	Removed.
	(Check_Dispatching_Domains_Used): Removed.
	(Gen_Adafinal): Remove call to above procedures.
	(Resolve_Binder_Options): Handle system restrictions and dispatching
	domains.

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* s-tarest.ads, s-tarest.adb (Create_Restricted_Task): Remove
	Chain parameter.
	* exp_ch9.adb (Make_Task_Create_Call): Do not add Chain parameter
	on restricted runtime.

2012-10-29  Pascal Obry  <obry@adacore.com>

	* g-sechas.adb, g-sechas.ads: Minor code clean-up.

From-SVN: r192920

2012-10-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_aux.adb (Get_Rep_Item): Treat Priority and Interrupt_Priority
	as equivalent, because only one of them can be specified for a
	task, protected definition, or subprogram body.
	* aspects.adb ((Same_Aspect): The canonical aspect of
	Interrupt_Priority is Priority.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb: Minor reformatting.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* i-cstrea.ads: Avoid redefinition of standard symbol string.
	* prj-makr.adb: Add comment for OK redefinition of Stadard.
	* prj.ads: Add comment for OK redefinition of Stadard.
	* s-crtl.ads: Avoid redefinition of standard symbol string.
	* sinfo-cn.adb (Change_Identifier_To_Defining_Identifier):
	Generate warning for standard redefinition if
	Warn_On_Standard_Definition set.
	* usage.adb: Add lines for -gnatw.k and -gnatw.K
	* warnsw.adb: Set/reset Warn_On_Standard_Redefinition
	appropriately.
	* warnsw.ads (Warn_On_Standard_Redefinition): New flag.
	* s-stratt-xdr.adb: Avoid new warning.

2012-10-29  Ed Schonberg  <schonberg@adacore.com>

	* exp_dbug.ads, exp_dbug.adb (Build_Subprogram_Instance_Renamings):
	in the body of a subpogram instance, introduce local renamings
	for actuals of an elementary type, so that GDB can recover the
	values of these actuals more directly.

From-SVN: r192919

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* sem_ch5.adb (Analyze_Loop_Statement): Add warning for identical
	inner/outer ranges.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* einfo.ads: Change terminology "present" to "defined" in talking
	about whether a given field is defined for a given entity kind.

2012-10-29  Bob Duff  <duff@adacore.com>

	* atree.ads: Minor comment fix.

2012-10-29  Bob Duff  <duff@adacore.com>

	* sem_ch13.adb (Replace_Type_Reference): Set_Comes_From_Source.
	Otherwise, the node is ignored by ASIS.
	* sem_ch5.adb: Minor reformatting.

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* exp_attr.adb, exp_dist.adb, exp_dist.ads (Build_To_Any_Call): Pass
	an explicit Loc parameter to set the source location of generated
	nodes.

2012-10-29  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Build_Task_Activation_Call): Do nothing on
	restricted profile.
	* bindgen.adb (System_Tasking_Restricted_Stages_Used): New variable.
	(Gen_Adainit): Declare and call Activate_Tasks when the above variable
	is set.
	(Resolve_Binder_Options): Set the variable.
	* rtsfind.ads (RE_Activate_Restricted_Tasks): Removed (now unused).
	* s-tarest.adb (Tasks_Activation_Chain): New variable.
	(Activate_Restricted_Tasks): Removed, and replaced by ...
	(Activate_Tasks): New procedure, to activate all tasks at
	the end of elaboration.
	(Create_Restricted_Tasks): Chain parameter is now unreferenced.	Put
	the created task on the Tasks_Activation_Chain list.
	* s-tarest.ads (Activate_Restricted_Tasks): Removed.
	(Activate_Tasks): Added.

2012-10-29  Gary Dismukes  <dismukes@adacore.com>

	* sem_res.adb (Resolve_If_Expression): Compare subtype of the 'then'
	expression against the subtype of the expression rather than comparing
	base types, same as is already done for the 'else' expression.

From-SVN: r192918

2012-10-29  Steve Baird  <baird@adacore.com>

	* sem_ch13.adb (Analyze_Attribute_Definition_Clause): If CodePeer_Mode
	= True and we detect that an Address specification is used to overlay
	another object, do not set that object's Treat_As_Volatile flag.

2012-10-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Constant_Redeclaration): If the type of a
	deferred constant has invariants, generate invariant call on
	the initial value.

From-SVN: r192917

2012-10-29  Bob Duff  <duff@adacore.com>

	* sem_ch13.adb (Replace_Type_Reference): Use correct sloc for
	the new node.

From-SVN: r192916

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* sem_elab.adb: Minor reformatting and code reorganization.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* par-ch4.adb (P_Primary): Warn on bad use of unary minus.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* s-valuti.ads, s-valuti.adb (Bad_Value): New procedure.
	* s-valllu.adb, s-valwch.adb, s-valcha.adb, s-valint.adb,
	s-valuns.adb, s-valrea.adb, s-valboo.adb, s-valenu.adb,
	s-vallli.adb: Use Bad_Value everywhere.

2012-10-29  Yannick Moy  <moy@adacore.com>

	* gnat1drv.adb (Adjust_Global_Switches): Do not suppress checks
	in Alfa mode.

From-SVN: r192915

2012-10-29  Yannick Moy  <moy@adacore.com>

	* checks.adb (Apply_Arithmetic_Overflow_Minimized_Eliminated):
	Add special case for case expression alternative.
	(Is_Signed_Integer_Arithmetic_Op): Remove special case for case
	expression alternative.
	* exp_ch4.adb Minor reformatting.

2012-10-29  Thomas Quinot  <quinot@adacore.com>

	* sem_elab.adb: Minor reformatting.

2012-10-29  Bob Duff  <duff@adacore.com>

	* sem_res.adb: Minor: Remove redundant test.

From-SVN: r192914

From-SVN: r192913

From-SVN: r192909

	* config/mips/linux-common.h (STACK_CHECK_STATIC_BUILTIN): Define.
	(STACK_CHECK_PROTECT): Likewise.
	* config/mips/mips.h (MIPS_PROLOGUE_TEMP2_REGNUM): Likewise.
	(MIPS_PROLOGUE_TEMP2): Likewise.
	* config/mips/mips-protos.h (mips_output_probe_stack_range): Declare.
	* config/mips/mips.c: Include common/common-target.h.
	(mips_emit_probe_stack_range): New function.
	(mips_output_probe_stack_range): Likewise.
	(mips_expand_prologue): Invoke mips_emit_probe_stack_range if static
	builtin stack checking is enabled.
	* config/mips/mips.md (UNSPEC_PROBE_STACK_RANGE): New constant.
	(probe_stack_range_<P:mode>): New insn.
ada/
	* system-linux-mipsel.ads (Stack_Check_Probes): Set to True.
	* system-linux-mips.ads (Stack_Check_Probes): Likewise.
	* system-linux-mips64el.ads (Stack_Check_Probes): Likewise.

From-SVN: r192713

From-SVN: r192682

From-SVN: r192675

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Force
	BLKmode on the type if it is passed by reference.
	<E_Array_Subtype>: Likewise.
	<E_Record_Type>: Guard the call to Is_By_Reference_Type predicate.
	<E_Record_Subtype>: Likewise.

From-SVN: r192673

utils.c (rest_of_record_type_compilation): Simplify and robustify pattern machine code for masking operations.

	* gcc-interface/utils.c (rest_of_record_type_compilation): Simplify and
	robustify pattern machine code for masking operations.

From-SVN: r192672

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>: In
	type annotation mode, break circularities introduced by AI05-0151.

From-SVN: r192671

trans.c (Loop_Statement_to_gnu): Use gnat_type_for_size directly to obtain an unsigned version of the base type.

	* gcc-interface/trans.c (Loop_Statement_to_gnu): Use gnat_type_for_size
	directly to obtain an unsigned version of the base type.

From-SVN: r192669

decl.c (gnat_to_gnu_entity): Do not generate the special PARM_DECL for an Out parameter in LTO mode.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Out_Parameter>: Do not
	generate the special PARM_DECL for an Out parameter in LTO mode.

From-SVN: r192667