gcc/ada/
* libgnat/s-dwalin.adb (Symbolic_Traceback): Always emit the hex
address at the beginning of an entry if suppression is not
requested. Consistently output a "???" for the subprogram name
when it is unknown.
gcc/ada/
* sem_aggr.adb (Resolve_Delta_Array_Aggregate): For an
association that is an iterated component association, attach
the copy of the expression to the tree prior to analysis, in
order to preserve its context. This is needed when verifying
static semantic rules that depend on context, for example that a
use of 'Old appears only within a postcondition.
gcc/ada/
* sem_aggr.adb (Resolve_Extension_Aggregate): When testing for
an aggregate that is illegal due to having an ancestor type that
has unknown discriminants, add an "or else" condition testing
whether the aggregate type has unknown discriminants and that
Partial_View_Has_Unknown_Discr is also set on the ancestor type.
Extend the comment, including adding ??? about a possible
simpler test.
gcc/ada/
* exp_spark.adb (Expand_SPARK_Delta_Or_Update): Add missing call
to Enter_Name, just like it is called for
iterated_component_association in Expand_SPARK_N_Aggregate.
gcc/ada/
* exp_spark.adb (Expand_SPARK_Delta_Or_Update): Reuse local
constant Expr and the Choice_List routine.
(Expand_SPARK_N_Aggregate): Reuse local constant Expr.
gcc/ada/
* freeze.adb (Freeze_Type_Refs): When an entity in an expression
function is a type, freeze the entity and not just its type,
which would be incomplete when the type is derived and/or
tagged.
Add overloads that accept a flags argument so we can print
debug_bb_n (5, TDF_DETAILS) in gdb, also the debug_bb_slim
variant would then be just a forwarder.
gcc/ChangeLog:
2020-10-26 Xionghu Luo <luoxhu@linux.ibm.com>
* cfg.c (debug_bb): New overloaded function.
(debug_bb_n): New overloaded function.
* cfg.h (debug_bb): New declaration.
(debug_bb_n): New declaration.
* print-rtl.c (debug_bb_slim): Call debug_bb with flags.
The GNATRTL_128BIT_PAIRS/OBJS need to be added for 64bit
multilibs on powerpc-darwin, and for powerpc64-darwin.
gcc/ada/ChangeLog:
* Makefile.rtl: Add GNATRTL_128BIT_PAIRS/OBJS for 64bit
PowerPC Darwin cases.
A wrong decl for findloc caused segfaults at runtime on
Darwin for ARM; however, this is only a symptom of a larger
disease: The declarations for our library functions are often
inconsistent. This patch solves that problem for the functions
specifically for the functions for which we do not pass optional
arguments, i.e. findloc and (min|max)loc.
It works by saving the symbols of the specific functions in
gfc_intrinsic_namespace and by generating the formal argument
lists from the actual argument lists. Because symbols are
re-used, so are the backend decls.
gcc/fortran/ChangeLog:
PR fortran/97454
* gfortran.h (gfc_symbol): Add pass_as_value flag.
(gfc_copy_formal_args_intr): Add optional argument
copy_type.
(gfc_get_intrinsic_function_symbol): Add prototype.
(gfc_find_intrinsic_symbol): Add prototype.
* intrinsic.c (gfc_get_intrinsic_function_symbol): New function.
(gfc_find_intrinsic_symbol): New function.
* symbol.c (gfc_copy_formal_args_intr): Add argument. Handle case
where the type needs to be copied from the actual argument.
* trans-intrinsic.c (remove_empty_actual_arguments): New function.
(specific_intrinsic_symbol): New function.
(gfc_conv_intrinsic_funcall): Use it.
(strip_kind_from_actual): Adjust so that the expression pointer
is set to NULL.
(gfc_conv_intrinsic_minmaxloc): Likewise.
(gfc_conv_intrinsic_minmaxval): Adjust removal of dim.
* trans-types.c (gfc_sym_type): If sym->pass_as_value is set, do
not pass by reference.
Rename HAVE_AS_WORKING_DWARF_4_FLAG to HAVE_AS_WORKING_DWARF_N_FLAG
Don't set HAVE_AS_WORKING_DWARF_N_FLAG if --gdwarf-5/--gdwarf-4 generate
an extra assembly input file in debug info from compiler generated
.debug_line or fail with the APP marker:
https://sourceware.org/bugzilla/show_bug.cgi?id=25878https://sourceware.org/bugzilla/show_bug.cgi?id=26740https://sourceware.org/bugzilla/show_bug.cgi?id=26778
Also replace success with dwarf4_success in the 32-bit --gdwarf-4 check.
PR bootstrap/97451
* configure.ac (HAVE_AS_WORKING_DWARF_4_FLAG): Renamed to ...
(HAVE_AS_WORKING_DWARF_N_FLAG): This. Don't define if there is
an extra assembly input file in debug info. Replace success
with dwarf4_success in the 32-bit --gdwarf-4 check.
* dwarf2out.c (asm_outputs_debug_line_str): Check
HAVE_AS_WORKING_DWARF_N_FLAG instead of
HAVE_AS_WORKING_DWARF_4_FLAG.
* gcc.c (ASM_DEBUG_SPEC): Likewise.
(ASM_DEBUG_OPTION_SPEC): Likewise.
* config.in: Regenerated.
* configure: Likewise.
The code added in r10-6437 caused us to create a CONSTRUCTOR when we're
{}-initializing an aggregate. Then we pass this new CONSTRUCTOR down to
cxx_eval_constant_expression which, if the CONSTRUCTOR isn't TREE_CONSTANT
or reduced_constant_expression_p, calls cxx_eval_bare_aggregate. In
this case the CONSTRUCTOR wasn't reduced_constant_expression_p because
for r_c_e_p a CONST_DECL isn't good enough so it returns false. So we
go to cxx_eval_bare_aggregate where we crash, because ctx->ctor wasn't
set up properly. So my fix is to do so. Since we're value-initializing,
I'm not setting CONSTRUCTOR_NO_CLEARING. To avoid keeping a garbage
constructor around, I call free_constructor in case the evaluation did
not use it.
gcc/cp/ChangeLog:
PR c++/96241
* constexpr.c (cxx_eval_array_reference): Set up ctx->ctor if we
are initializing an aggregate. Call free_constructor on the new
CONSTRUCTOR if it isn't returned from cxx_eval_constant_expression.
gcc/testsuite/ChangeLog:
PR c++/96241
* g++.dg/cpp0x/constexpr-96241.C: New test.
* g++.dg/cpp1y/constexpr-96241.C: New test.
An undefined range was leaking through to the end of this function,
which leads us to use an uninitialized wide_int.
gcc/ChangeLog:
PR tree-optimization/97538
* calls.c (get_size_range): Handle undefined ranges.
gcc/testsuite/ChangeLog:
* g++.dg/pr97538.C: New test.
This fixes the following failure:
ld: cgraph.o: in function `cgraph_edge::verify_corresponds_to_fndecl(tree_node*)':
gcc/cgraph.c:3067: undefined reference to `cgraph_node::former_thunk_p()'
ld: cgraph.o: in function `clone_of_p':
gcc/ChangeLog:
* cgraph.c (cgraph_node::former_thunk_p): Move out of CHECKING_P
macro.
gcc.target/powerpc/fold-vec-st-pixel.c and other testcases fail on
power10, generating
addi 9,5,12
rldicr 9,9,0,59
stxv 34,0(9)
rather than
addi 5,5,12
stvx 2,0,5
for an altivec lvx/stvx style address.
The problem starts with fwprop creating
(insn 9 4 0 2 (set (mem:V8HI (and:DI (plus:DI (reg/v/f:DI 121 [ vpp ])
(const_int 12 [0xc]))
(const_int -16 [0xfffffffffffffff0])) [0 MEM <vector(8) short int> [(void *)_4 & -16B]+0 S16 A128])
(reg/v:V8HI 120 [ vp1 ])) "pixel.c":6:10 1237 {vsx_movv8hi_64bit}
which is finally thrown out as invalid by lra. lra of course does that
by reloading the entire address.
fwprop creates the invalid address due to rs6000_legitimate_address_p
trimming off the outer AND of altivec style addresses before applying
other predicates. address_is_prefixed then allows the inner address.
Now at the time the AND stripping was added (git commit 850e8d3d56),
rs6000_legitimate_address looked a lot simpler. This patch allows
through just those addresses that were legitimate in those simpler
days.
* config/rs6000/rs6000.c (rs6000_legitimate_address_p): Limit
AND addressing to just lvx/stvx style addresses.
gcc/testsuite/ChangeLog:
* c-c++-common/Wsizeof-array-div1.c: Expect certain warnings on
lp64 targets only.
* g++.dg/warn/Wsizeof-array-div2.C: Only run on lp64 targets.
This patch implements a new warning, -Wsizeof-array-div. It warns about
code like
int arr[10];
sizeof (arr) / sizeof (short);
where we have a division of two sizeof expressions, where the first
argument is an array, and the second sizeof does not equal the size
of the array element. See e.g. <https://www.viva64.com/en/examples/v706/>.
Clang makes it possible to suppress the warning by parenthesizing the
second sizeof like this:
sizeof (arr) / (sizeof (short));
so I followed suit. In the C++ FE this was rather easy, because
finish_parenthesized_expr already set TREE_NO_WARNING. In the C FE
I've added a new tree code, PAREN_SIZEOF_EXPR, to discern between the
non-() and () versions.
This warning is enabled by -Wall. An example of the output:
x.c:5:23: warning: expression does not compute the number of elements in this array; element type is ‘int’, not ‘short int’ [-Wsizeof-array-div]
5 | return sizeof (arr) / sizeof (short);
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
x.c:5:25: note: add parentheses around ‘sizeof (short int)’ to silence this warning
5 | return sizeof (arr) / sizeof (short);
| ^~~~~~~~~~~~~~
| ( )
x.c:4:7: note: array ‘arr’ declared here
4 | int arr[10];
| ^~~
gcc/c-family/ChangeLog:
PR c++/91741
* c-common.c (verify_tree): Handle PAREN_SIZEOF_EXPR.
(c_common_init_ts): Likewise.
* c-common.def (PAREN_SIZEOF_EXPR): New tree code.
* c-common.h (maybe_warn_sizeof_array_div): Declare.
* c-warn.c (sizeof_pointer_memaccess_warning): Unwrap NOP_EXPRs.
(maybe_warn_sizeof_array_div): New function.
* c.opt (Wsizeof-array-div): New option.
gcc/c/ChangeLog:
PR c++/91741
* c-parser.c (c_parser_binary_expression): Implement -Wsizeof-array-div.
(c_parser_postfix_expression): Set PAREN_SIZEOF_EXPR.
(c_parser_expr_list): Handle PAREN_SIZEOF_EXPR like SIZEOF_EXPR.
* c-tree.h (char_type_p): Declare.
* c-typeck.c (char_type_p): No longer static.
gcc/cp/ChangeLog:
PR c++/91741
* typeck.c (cp_build_binary_op): Implement -Wsizeof-array-div.
gcc/ChangeLog:
PR c++/91741
* doc/invoke.texi: Document -Wsizeof-array-div.
gcc/testsuite/ChangeLog:
PR c++/91741
* c-c++-common/Wsizeof-pointer-div.c: Add dg-warning.
* c-c++-common/Wsizeof-array-div1.c: New test.
* g++.dg/warn/Wsizeof-array-div1.C: New test.
* g++.dg/warn/Wsizeof-array-div2.C: New test.
Darwin struct stat has timeval entry fields for file access and
modification times but they are named differently from those
on Linux.
As a workaround define the field names to the Darwin equivalent.
gcc/ada/ChangeLog:
* adaint.c: On Darwin platforms, define st_atim to
st_atimespec. Likwise st_mtim to st_mtimespec.
The net library is configurable on vxworks7. Pick the library
to include in link closures in accordance with the availability
of a revealing header file, using the recently introduced
if-exist-then-else spec builtin function.
2021-10-23 Douglas Rupp <rupp@adacore.com>
gcc/
* config/vxworks.h (VXWORKS_NET_LIBS_RTP): Use -lrtnet if
rtnetStackLib.h is available,fallback to -lnet otherwise.
The tests for macros possibly defined in gthr.h needs to
be performed after the corresponding #include. This was tested
together with the previous updates to gthr-vxworks-thread.c
and gthr-vxworks-cond.c and was meant to be squashed with them.
2010-10-23 Rasmus Villemoes <rv@rasmusvillemoes.dk>
libgcc/
* config/gthr-vxworks-thread.c: #include gthr.h before
testing the guard defined there.
* config/gthr-vxworks-cond.c: Likewise.
This patch adds an if-exists-then-else
builtin spec function, which tests for the existence of
a file and returns one or the other of the following
arguments depending on the result of the test.
This differs from the existing if-exists or
if-exists-else function which return the name of the
tested file if it exists.
This new function is of help to a forthcoming change for
VxWorks where we check for the presence of a specific header
file to decide the name of a library to include in the link
closure.
2020-10-23 Douglas Rupp <rupp@adacore.com>
gcc/
* gcc.c (if-exists-then-else): New built-in spec function.
* doc/invoke.texi: Document it.
Replace them with a whitespace in order to avoid artifacts in the HTML
document.
2020-08-19 Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
gcc/
* doc/extend.texi (PowerPC Built-in Functions): Replace
extraneous characters with whitespace.
I think this test is intended to check this property of the C++
standard:
"If a destructor directly invoked by stack unwinding exits via an
exception, std::terminate is invoked." [except.throw]
Since C++11 any exception escaping a destructor will call
std::terminate, so the test would terminate even if the unwinding
behaviour was wrong.
Give the destructor a potentially-throwing exception specification,
so that we know that terminate was called for the right reason.
gcc/testsuite/ChangeLog:
* g++.dg/compat/eh/filter2_y.C: Add noexcept(false) to
destructor.
libstdc++-v3/ChangeLog:
* include/std/ranges (single_view::single_view): Mark the
in place constructor explicit as per LWG 3428.
(take_view): Remove the constraint on the deduction guide's
template parameter as per LWG 3447.
The wraplf version of Ada.Numerics.Aux_Long_Long_Float is needed on
s390* as well. Also add it to sparc*-linux-gnu and powerpc-darwin,
that were missed when adding it for sparc and ppc targets.
for gcc/ada/ChangeLog
PR ada/97504
* Makefile.rtl (LIBGNAT_TARGET_PAIRS): Select wraplf version
of Aux_Long_Long_Float for s390 and remaining sparc and
powerpc targets.
gcc/ada/
* Makefile.rtl (GNATRTL_SOCKETS_OBJS): New object
g-socpol$(objext) New source files noted: g-socpol.adb,
g-socpol.ads, g-socpol__dummy.adb, g-socpol__dummy.ads,
g-sopowa.adb, g-sopowa__posix.adb, g-sopowa__mingw.adb,
g-spogwa.adb, g-spogwa.ads.
* impunit.adb (Non_Imp_File_Names_95): New base filename
g-socpol in "GNAT Library Units" section for GNAT.Sockets.Poll
unit.
* libgnat/g-socket.ads, libgnat/g-socket.adb:
(Raise_Socket_Error): Moved from body to private part of
specification to use in GNAT.Sockets.Poll.
* libgnat/g-socpol.ads, libgnat/g-socpol.adb: Main unit of the
implementation.
* libgnat/g-socpol__dummy.ads, libgnat/g-socpol__dummy.adb:
Empty unit for the systems without sockets support.
* libgnat/g-spogwa.ads, libgnat/g-spogwa.adb: Generic unit
implementing sockets poll on top of select system call.
* libgnat/g-sopowa.adb (Wait): Separate implementation for
operation systems with poll system call support.
* libgnat/g-sopowa__posix.adb (Wait): Separate implementation
for POSIX select system call.
* libgnat/g-sopowa__mingw.adb (Wait): Separate implementation
for Windows select system call.
* gsocket.h (_WIN32_WINNT): Increase to 0x0600 for winsock2.h to
allow WSAPoll related definitions.
* s-oscons-tmplt.c: Fix comment next to #endif for
#if defined (__linux__) || defined (__ANDROID__) line. Include
<poll.h> for all except VxWorks and Windows.
(SIZEOF_nfds_t): New definition.
(SIZEOF_fd_type): New definition.
(SIZEOF_pollfd_events): New definition.
(POLLIN, POLLPRI, POLLOUT, POLLERR, POLLHUP, POLLNVAL): New
definitions for VxWorks to be able to emulate poll on top of
select in it. Define POLLPRI as zero on Windows as it is not
supported there.
(Poll_Linkname): New definition, because the poll system call
has different name in Windows and POSIX.
Eric Botcazou
Yannick Moy
Arnaud Charlet
Piotr Trojanek
Olivier Hainque
Doug Rupp
Ed Schonberg
Bob Duff
Gary Dismukes
Xionghu Luo
GCC Administrator
Iain Sandoe
Thomas Koenig
H.J. Lu
Marek Polacek
Aldy Hernandez
Martin Liska
Alan Modra
Nikhil Benesch
Jan Hubicka
Martin Sebor
David Edelsohn
Rasmus Villemoes
Tulio Magno Quites Machado Filho via Gcc-patches
Jonathan Wakely
Patrick Palka
Alexandre Oliva
Dmitriy Anisimkov