2005-11-14 Thomas Quinot <quinot@adacore.com>
Olivier Hainque <hainque@adacore.com>
Eric Botcazou <ebotcazou@adacore.com>
* decl.c:
Factor common code to build a storage type for an unconstrained object
from a fat or thin pointer type and a constrained object type.
(annotate_value): Handle BIT_AND_EXPR.
(annotate_rep): Don't restrict the back annotation of inherited
components to the type_annotate_only case.
(gnat_to_gnu_entity) <E_Array_Type>: Do not invoke create_type_decl if
we are not defining the type.
<E_Record_Type>: Likewise.
(gnat_to_gnu_entity) <object, renaming>: Adjust comments and structure
to get advantage of the new maybe_stabilize_reference interface, to
ensure that what we reference is indeed stabilized instead of relying
on assumptions on what the stabilizer does.
(gnat_to_gnu_entity) <E_Incomplete_Type>: If the entity is an incomplete
type imported through a limited_with clause, use its non-limited view.
(Has_Stdcall_Convention): New macro, to centralize the Windows vs others
differentiation.
(gnat_to_gnu_entity): Use Has_Stdcall_Convention instead of a spread mix
of #if sections + explicit comparisons of convention identifiers.
(gnat_to_gnu_entity) <E_Variable>: Decrement force_global if necessary
before early-returning for certain types when code generation is
disabled.
(gnat_to_gnu_entity) <object>: Adjust comment attached to the
nullification of gnu_expr we do for objects with address clause and
that we are not defining.
(elaborate_expression_1): Do not create constants when creating
variables needed by the debug info: the dwarf2 writer considers that
CONST_DECLs is used only to represent enumeration constants, and emits
nothing for them.
(gnat_to_gnu_entity) <object>: When turning a non-definition of an
object with an address clause into an indirect reference, drop the
initializing expression.
Include "expr.h".
(STACK_CHECK_BUILTIN): Delete.
(STACK_CHECK_PROBE_INTERVAL): Likewise.
(STACK_CHECK_MAX_FRAME_SIZE): Likewise.
(STACK_CHECK_MAX_VAR_SIZE): Likewise.
(gnat_to_gnu_entity): If gnat_entity is a renaming, do not mark the tree
corresponding to the renamed object as ignored for debugging purposes.
* trans.c (tree_transform, case N_Attribute_Reference, case Attr_Size &
related): For a prefix that is a dereference of a fat or thin pointer,
if there is an actual subtype provided by the front-end, use that
subtype to build an actual type with bounds template.
(tree_transform, case N_Free_Statement): If an Actual_Designated_Subtype
is provided by the front-end, use that subtype to compute the size of
the deallocated object.
(gnat_to_gnu): When adding a statement into an elaboration procedure,
check for a potential violation of a No_Elaboration_Code restriction.
(maybe_stabilize_reference): New function, like gnat_stabilize_reference
with extra arguments to control whether to recurse through non-values
and to let the caller know if the stabilization has succeeded.
(gnat_stabilize_reference): Now a simple wrapper around
maybe_stabilize, for common uses without restriction on lvalues and
without need to check for the success indication.
(gnat_to_gnu, call_to_gnu): Adjust calls to gnat_stabilize_reference, to
pass false instead of 0 as the FORCE argument which is a bool.
(Identifier_to_gnu): Remove checks ensuring that an renamed object
attached to a renaming pointer has been properly stabilized, as no such
object is attached otherwise.
(call_to_gnu): Invoke create_var_decl to create the temporary when the
function uses the "target pointer" return mechanism.
Reinstate conversion of the actual to the type of the formal
parameter before any other specific treatment based on the passing
mechanism. This turns out to be necessary in order for PLACEHOLDER
substitution to work properly when the latter type is unconstrained.
* gigi.h (build_unc_object_type_from_ptr): New subprogram, factoring a
common pattern.
(maybe_stabilize_reference): New function, like gnat_stabilize_reference
with extra arguments to control whether to recurse through non-values
and to let the caller know if the stabilization has succeeded.
* utils2.c (gnat_build_constructor): Only sort the fields for possible
static output of record constructor if all the components are constant.
(gnat_build_constructor): For a record type, sort the list of field
initializers in increasing bit position order.
Factor common code to build a storage type for an unconstrained object
from a fat or thin pointer type and a constrained object type.
(build_unary_op) <ADDR_EXPR>: Always recurse down conversions between
types variants, and process special cases of VIEW_CONVERT expressions
as their NOP_EXPR counterpart to ensure we get to the
CORRESPONDING_VARs associated with CONST_DECls.
(build_binary_op) <MODIFY_EXPR>: Do not strip VIEW_CONVERT_EXPRs
on the right-hand side.
* utils.c (build_unc_object_type_from_ptr): New subprogram, factoring
a common pattern.
(convert) <VIEW_CONVERT_EXPR>: Return the inner operand directly if we
are converting back to its original type.
(convert) <JM input>: Fallthrough regular conversion code instead of
extracting the object if converting to a type variant.
(create_var_decl): When a variable has an initializer requiring code
generation and we are at the top level, check for a potential violation
of a No_Elaboration_Code restriction.
(create_var_decl): call expand_decl for CONST_DECLs, to set MODE, ALIGN
SIZE and SIZE_UNIT which we need for later back-annotations.
* utils.c: (convert) <STRING_CST>: Remove obsolete code.
<VIEW_CONVERT_EXPR>: Do not lift the conversion if the target type
is an unchecked union.
(pushdecl): Set DECL_NO_STATIC_CHAIN on imported nested functions.
(convert) <VIEW_CONVERT_EXPR>: When the types have the same
main variant, just replace the VIEW_CONVERT_EXPR.
<UNION_TYPE>: Revert 2005-03-02 change.
* repinfo.h, repinfo.ads: Add tcode for BIT_AND_EXPR.
* repinfo.adb (Print_Expr, Rep_Value): Handle Bit_And_Expressions.
From-SVN: r106961
2005-11-14 Jose Ruiz <ruiz@adacore.com>
* s-tassta.adb (Create_Task): Move the code in charge of resetting the
deferral level, when abort is not allowed, to a later stage (the
Task_Wrapper).
(Task_Wrapper): If Abort is not allowed, reset the deferral level since
it will not get changed by the generated code. It was previously done
in Create_Task.
From-SVN: r106960
* a-except.adb (Zero_Cost_Exceptions): Removed, no longer used.
(builtin_longjmp, Process_Raise_Exceeption): Move setjmp/longjmp
related code to a-exexpr.adb
(Save_Occurrence_And_Private): Move GCC EH related code to
a-exexpr-gcc.adb
(Raise_Current_Excep): Add new variable Id with pragma
volatile, to ensure that the variable lives on stack.
* a-exexpr-gcc.adb, raise-gcc.c: New file.
* a-exexpr.adb (builtin_longjmp, Propagate_Exception): Moved here code
from a-except.adb.
Move GCC EH related code to a-exexpr-gcc.adb
* Makefile.in: Add or update g-soccon LIBGNAT pairs for Linux/PPC and
64-bit Solaris
Split the Linux version of g-soccon into separate variants for 32 and 64
bit platforms.
(gnatlib): Use $(AR_FOR_TARGET) and $(RANLIB_FOR_TARGET)
vice $(AR) and $(RANLIB). Remove use of host variable $(RANLIB_FLAGS).
install-gnatlib: Use $(RANLIB_FOR_TARGET) vice $(RANLIB). Remove use
of host variable $(RANLIB_FLAGS).
(alpha64-dec-*vms*): Fix translations for 64 bit compiler.
Code clean up: remove unused/obsolete targets.
(EH_MECHANISM): New variable introduced to differenciate between the
two EH mechanisms statically.
(gnatlib-zcx, gnatlib-sjlj): Force EH_MECHANISM manually.
(LIBGNAT_OBJS): Add raise-gcc.o
(LIBGNAT_TARGET_PAIRS for ppc-vxworks): Use an specialized version of
s-osinte.adb, s-tpopsp.adb, and system.ads for the run time that
supports VxWorks 6 RTPs.
(EXTRA_GNATRTL_NONTASKING_OBJS for ppc-vxworks): Remove the use of
i-vxworks and i-vxwoio from the run time that supports VxWorks 6 RTPs.
* raise.c: Move all GCC EH-related routines to raise-gcc.c
From-SVN: r106959
* adaint.h, adaint.c (__gnat_is_cross_compiler): New constant.
(Gnat_Install_Locks, __gnatlib_install_locks): Removed, no longer used.
(convert_address): Update comments and list of platforms using this.
* s-tasini.adb (Gnat_Install_Locks, __gnatlib_install_locks): Removed,
no longer used.
From-SVN: r106957
2005-11-14 Jose Ruiz <ruiz@adacore.com>
* s-taprop-posix.adb (Initialize_Lock): Destroy mutex attribute before
raising the exception so the memory used is freed.
From-SVN: r106956
2005-11-14 Matthew Gingell <gingell@adacore.com>
* system-lynxos-ppc.ads, system-lynxos-x86.ads:
Increase default priority on Lynx from 15 to 17, and meet the Ada
requirement that Default_Priority be ((Priority'First +
Priority'Last) / 2) by increasing the range of Interrupt_Priority.
From-SVN: r106952
2005-11-14 Robert Dewar <dewar@adacore.com>
* exp_vfpt.adb: Handle /= case
(Expand_Vax_Conversion): Properly recognize Conversion_OK flag
so that we do not get duplicate scaling for fixed point conversions.
* s-vaflop.ads, s-vaflop.adb: (Ne_F): New function
From-SVN: r106951
2005-11-14 Robert Dewar <dewar@adacore.com>
Ed Schonberg <schonberg@adacore.com>
PR ada/18434
* types.ads: Include All_Checks in Suppress_Array
* checks.adb (Check_Needed): Remove kludge for a/=b rewritten as
not(a=b), since we no longer do this rewriting, and hence it is not
needed.
(Elaboration_Checks_Suppressed): Add special casing to
deal with different cases of static and dynamic elaboration checks (all
checks does not count in the first case, but does in the second).
(Expr_Known_Valid): Do not assume that the result of any arbitrary
function call is valid, since this is not the case.
(Ensure_Valid): Do not apply validity check to a real literal
in a universal or fixed context
* exp_ch4.adb (Expand_N_Op_Ne): Don't expand a/=b to not(a=b) for
elementary types using the operator in standard. It is cleaner not to
modify the programmers intent, especially in the case of floating-point.
(Rewrite_Comparison): Fix handling of /= (this was always wrong, but
it did not matter because we always rewrote a/=b to not(a=b).
(Expand_Allocator_Expression): For an allocator expression whose nominal
subtype is an unconstrained packed type, convert the expression to its
actual constrained subtype.
Implement warning for <= or >= where < or > not possible
Fix to Vax_Float tests (too early in many routines, causing premature
Vax_Float expansions.
* sem_prag.adb (Analyze_Pragma, case Obsolescent): Allow this pragma
to be used with packages and generic packages as well as with
subprograms.
(Suppress): Set All_Checks, but not Elaboration_Check, for case
of pragma Suppress (All_Checks)
(Analyze_Pragma, case Warnings): Implement first argument allowed to be
a string literal for precise control over warnings.
Avoid raise of pragma in case of unrecognized pragma and just return
instead.
* sem_prag.ads: Minor reformatting
* switch-c.adb (Scan_Front_End_Switches): Replace "raise Bad_Switch;"
with call to new procedure Bad_Switch. Call Scan_Pos with new parameter
Switch. Do not handle any exception.
Include -gnatwx as part of -gnatg (warn on redundant parens)
Allow optional = after -gnatm
(Scan_Front_End_Switches): The -gnatp switch sets All_Checks, but no
longer sets Elaboration_Checks.
Code to set warning mode moved to Sem_Warn
so that it can be shared by pragma processing.
* s-mastop-tru64.adb (Pop_Frame): Remove redundant parentheses in if
statement.
* s-taprop-solaris.adb:
Change some <= to =, to avoid new warning
* a-exexda.adb, prj-proc.adb:
Fix obvious typo (Num_Tracebacks compared <= 0 instead of < 0)
Fix obvious typo (Total_Errors_Detected <= 0 should be = 0)
From-SVN: r106950
2005-11-14 Thomas Quinot <quinot@adacore.com>
* g-soccon.ads: Minor reformatting. Update comments.
* gsocket.h: Include <sys/times.h> in the VxWorks case, in order to
gain visibility on the declaration of struct timeval.
* g-soccon-freebsd.ads,
g-soccon-darwin.ads,
g-soccon-tru64.ads,
g-soccon-aix.ads,
g-soccon-irix.ads,
g-soccon-hpux.ads,
g-soccon-solaris.ads,
g-soccon-vms.ads,
g-soccon-mingw.ads,
g-soccon-vxworks.ads (SIZEOF_tv_sec, SIZEOF_tv_usec): New constants.
* g-soccon-hpux-ia64.ads, g-soccon-linux-ppc.ads,
g-soccon-solaris-64.ads, g-soccon-linux-64.ads,
g-soccon-linux-x86.ads: New files.
* g-socthi-mingw.adb:
(Socket_Error_Message): Remove redundant use of GNAT.Sockets.Constants
* g-socthi-vxworks.ads, g-socthi-vms.ads, g-socthi-mingw.ads
(time_t, suseconds_t): New types constructed to match the tv_sec
and tv_usec fields of C struct timeval.
(Timeval): Construct structure in terms of the new types.
(Host_Errno): New function (imported from socket.c), returns last hosts
database error.
* g-socthi-vxworks.adb: Add error handling circuitry.
* g-socket.ads, g-socket.adb (To_Timeval): Reflect change of type for
components of struct timeval.
(Get_Host_By_Name, Get_Host_By_Address): Fix error reporting circuitry.
(Check_Selector): In error conditions, clear internal socket sets to
avoid a memory leak.
(Get_Socket_Option, Set_Socket_Option): Support for Multicast_If,
Send_Timeout, Receive_Timeout.
* g-socthi.ads (time_t, suseconds_t): New types constructed to match
the tv_sec and tv_usec fields of C struct timeval.
(Timeval): Construct structure in terms of the new types.
(Host_Errno): New function (imported from socket.c), returns last hosts
database error.
* socket.c (__gnat_get_h_errno): New function to retrieve h_errno, the
hosts database last error code.
* gen-soccon.c: Complete value expansion should not be performed on
TARGET, as it has the form of a math expression, and some components
may be platform-defined macros.
For VxWorks, generate the OK and ERROR values.
New constants giving the sizes of the components of C struct timeval.
From-SVN: r106949
PR target/24869
* config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
special register for operand 3. Reindent constraints to align
them vertically.
From-SVN: r106946
* gcc.c (version_compare_spec_function): Use fatal() rather than
abort().
* config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
(SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
* config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
as empty.
* config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
link in crt2.o.
* config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
on -mmacosx-version-min setting.
From-SVN: r106935
PR 24840
* tree-vrp.c (infer_value_range): Return false if STMT is a
block terminator and its basic block has no successors.
testsuite/
PR 24840
* gcc.dg/tree-ssa/pr24840.c: New test.
From-SVN: r106930
PR rtl-optimization/22002
* combine.c (distribute_notes): Detect cases where a reg dies
two or more times in a bb, including on the insn we are combining,
and place the death note on the correct range.
From-SVN: r106921
2005-11-14 Dale Johannesen <dalej@apple.com>
* expmed.c (store_bit_field): Add offset unconditionally for
memory targets.
(extract_bit_field): Don't force extzv or extv operand into
a register if field is too big.
From-SVN: r106919
* config/arm/arm.c (pic_labelno): New.
(arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
LABEL_REF. Pass only the labelno to PIC insns.
(arm_call_tls_get_addr, legitimize_tls_address): Likewise.
(arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
* arm.md (UNSPEC_PIC_LABEL): New constant.
(pic_add_dot_plus_four, pic_add_dot_plus_eight)
(tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
Use the correct label prefix.
From-SVN: r106893
* include/cpplib.h (struct cpp_callbacks): Annotate error with
ATTRIBUTE_FPTR_PRINTF(3,0) instead of ATTRIBUTE_PRINTF(3,0).
Co-Authored-By: Ian Lance Taylor <ian@airs.com>
From-SVN: r106891
PR c++/20293
* cxx-pretty-print.c (pp_cxx_statement): Print qualifying scopes
for namespaces.
(pp_cxx_original_namespace_definition): Likewise.
* name-lookup.c (ambiguous_decl): Don't issue error messages;
instead return lists of ambiguous candidates.
(select_decl): Handle ambiguous namespace lookups.
* parser.c (cp_token): Add ambiguous_p.
(cp_lexer_get_preprocessor_token): Set it.
(cp_parser_diagnose_invalid_type_name): Avoid duplicate messages
when a qualified name uses an invalid scope.
(cp_parser_primary_expression): Print ambiguous candidates.
(cp_parser_type_parameter): Adjust comment to reflect new
parameter name for cp_parser_lookup_name.
(cp_parser_template_argument): Likewise.
(cp_parser_elaborated_type_specifier): Likewise.
(cp_parser_namespace_name): Likewise.
(cp_parser_class_name): Print ambiguous candidates.
(cp_parser_lookup_name): Rename ambiguous_p parameter to
ambiguous_decls. Use it to return a list of ambiguous candiates
when a lookup is ambiguous.
(cp_parser_lookup_name_simple): Adjust comment to reflect new
parameter name for cp_parser_lookup_name.
PR c++/20293
* g++.dg/parse/ambig4.C: New test.
* g++.dg/tc1/dr101.C: Adjust error markers.
* g++.dg/lookup/strong-using-2.C: Likewise.
* g++.dg/lookup/ambig5.C: Likewise.
* g++.dg/lookup/ambig4.C: Likewise.
* g++.dg/parse/crash22.C: Likewise.
From-SVN: r106879
2005-11-13 Jonathan Wakely <redi@gcc.gnu.org>
* include/tr1/boost_shared_ptr.h (get_deleter):
Declare before shared_ptr.
(shared_ptr<>): Declare get_deleter as friend.
(shared_ptr<>:_M_get_deleter): Private.
2005-11-13 Douglas Gregor <doug.gregor@gmail.com>
PR libstdc++/24818
* include/tr1/ref_wrap_iterate.h
(reference_wrapper::operator()()): Don't dereferene the result of
get() before calling it; it's already a reference.
* testsuite/tr1/3_function_objects/reference_wrapper/invoke.cc:
Test nullary calls to reference_wrappers.
From-SVN: r106863
