https://gcc.gnu.org/ml/gcc-patches/2018-10/msg00623.html
* include/line-map.h (LINEMAPS_MACRO_LOWEST_LOCATION): Fix
off-by-one error.
* line-map.c (linemap_enter_macro): Use RAII. Clear all of the
macro_locations.
From-SVN: r265037
The Allocator requirements include the ability to compare different
specializations of the same allocator class template. This did not work
for __gnu_cxx::new_allocator and other extension allocators. This patch
replaces the equality operators for those allocators with inline friends
that support heterogeneous comparisons. (I'm not changing all ext
allocators because some are bit-rotted already).
Additionally, the equality operators for comparing two std::allocator
objects of the same type are now defined as inline friends. Those
overloads don't need to be declared at namespace scope, because they
aren't specified in the standard (but they're needed in this
implementation to avoid ambiguities caused by the extra overloads
defined for the base allocator type).
* include/bits/allocator.h
(operator==(const allocator<_Tp>&, const allocator<_Tp>))
(operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
with inline friends.
* include/ext/debug_allocator.h (operator==, operator!=): Replace
with inline friend functions that compare to rebound allocators.
* include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
* include/ext/new_allocator.h (operator==, operator!=): Likewise.
* testsuite/ext/debug_allocator/eq.cc: New test.
* testsuite/ext/ext_pointer/alloc_eq.cc: New test.
* testsuite/ext/malloc_allocator/eq.cc: New test.
* testsuite/ext/new_allocator/eq.cc: New test.
From-SVN: r265036
2018-10-11 Martin Jambor <mjambor@suse.cz>
testsuite/
* gcc.dg/warn-abs-1.c: Guard tests assuming size of long double is
greater that the size of double by target large_long double.
From-SVN: r265035
The C++17 standard requires the default implementation for
allocator_traits::max_size to return SIZE_MAX / sizeof(value_type).
That causes GCC to warn because the value could be larger than can
sensibly be passed to malloc. This patch changes the new_allocator and
malloc_allocator max_size() members to use PTRDIFF_MAX instead of
SIZE_MAX (and because they define it, the allocator_traits default isn't
used). This also changes vector::max_size to impose a sensible limit
using PTRDIFF_MAX for cases where the value from the allocator or
allocator_traits is not sensible.
PR libstdc++/87544
* include/bits/stl_vector.h (vector::_S_max_size): Limit size to
PTRDIFF_MAX / sizeof(value_type).
* include/ext/malloc_allocator.h (malloc_allocator::max_size):
Likewise.
* include/ext/new_allocator.h (new_allocator::max_size): Likewise.
* testsuite/23_containers/vector/allocator/minimal.cc: Adjust
expected value for max_size().
* testsuite/23_containers/vector/capacity/87544.cc: New test.
From-SVN: r265021
gcc/testsuite/ChangeLog:
* gcc.c-torture/execute/memchr-1.c: Avoid assuming 4-byte wchar_t.
Add a test for 2-byte wchar_t.
* gcc.dg/builtin-memchr.c: New test.
From-SVN: r265020
PR target/87550
* config/i386/i386-builtin.def (IX86_BUILTIN_RDPMC): Move from args set
to special_args set.
* gcc.target/i386/pr87550.c: New test.
From-SVN: r265007
2018-10-10 Richard Biener <rguenther@suse.de>
* config/i386/sse.md (reduc_plus_scal_v8df, reduc_plus_scal_v4df,
reduc_plus_scal_v2df, reduc_plus_scal_v16sf, reduc_plus_scal_v8sf,
reduc_plus_scal_v4sf): Merge into pattern reducing to half width
and recursing and pattern terminating the recursion on SSE
vector width using ix86_expand_reduc.
(reduc_sminmax_scal_<mode>): Split into part reducing to half
width and recursing and SSE2 vector variant doing the final
reduction with ix86_expand_reduc.
(reduc_uminmax_scal_<mode>): Likewise for the AVX512 variants
with terminating the recursion at AVX level, splitting that
to SSE there.
From-SVN: r265004
This patch renames the "error" callback within libcpp
to "diagnostic", and uses the pair of enums in cpplib.h, rather
than passing two different kinds of "int" around.
gcc/c-family/ChangeLog:
* c-common.c (c_option_controlling_cpp_error): Rename to...
(c_option_controlling_cpp_diagnostic): ...this, and convert
"reason" from int to enum.
(c_cpp_error): Rename to...
(c_cpp_diagnostic): ...this, converting level and reason to enums.
* c-common.h (c_cpp_error): Rename to...
(c_cpp_diagnostic): ...this, converting level and reason to enums.
* c-opts.c (c_common_init_options): Update for renaming.
gcc/fortran/ChangeLog:
* cpp.c (gfc_cpp_init_0): Update for renamings.
(cb_cpp_error): Rename to...
(cb_cpp_diagnostic): ...this, converting level and reason to
enums.
gcc/ChangeLog:
* genmatch.c (error_cb): Rename to...
(diagnostic_cb): ...this, converting int params to enums.
(fatal_at): Update for renaming.
(warning_at): Likewise.
(main): Likewise.
* input.c (selftest::ebcdic_execution_charset::apply):
Update for renaming of...
(selftest::ebcdic_execution_charset::on_error): ...this, renaming
to...
(selftest::ebcdic_execution_charset::on_diagnostic): ...this,
converting level and reason to enums.
(class selftest::lexer_error_sink): Rename to...
(class selftest::lexer_test_options): ...this, renaming field
"m_errors" to "m_diagnostics".
(selftest::lexer_test_options::apply): Update for renaming of...
(selftest::lexer_test_options::on_error): ...this, renaming to...
(selftest::lexer_test_options::on_diagnostic): ...this
converting level and reason to enums.
(selftest::test_lexer_string_locations_raw_string_unterminated):
Update for renamings.
* opth-gen.awk (struct cpp_reason_option_codes_t): Use enum for
"reason".
libcpp/ChangeLog:
* charset.c (noop_error_cb): Rename to...
(noop_diagnostic_cb): ...this, converting params to enums.
(cpp_interpret_string_ranges): Update for renaming and enums.
* directives.c (check_eol_1): Convert reason to enum.
(do_diagnostic): Convert code and reason to enum.
(do_error): Use CPP_W_NONE rather than 0.
(do_pragma_dependency): Likewise.
* errors.c (cpp_diagnostic_at): Convert level and reason to enums.
Update for renaming.
(cpp_diagnostic): Convert level and reason to enums.
(cpp_error): Convert level to enum.
(cpp_warning): Convert reason to enums.
(cpp_pedwarning): Likewise.
(cpp_warning_syshdr): Likewise.
(cpp_diagnostic_with_line): Convert level and reason to enums.
Update for renaming.
(cpp_error_with_line): Convert level to enum.
(cpp_warning_with_line): Convert reason to enums.
(cpp_pedwarning_with_line): Likewise.
(cpp_warning_with_line_syshdr): Likewise.
(cpp_error_at): Convert level to enum.
(cpp_errno): Likewise.
(cpp_errno_filename): Likewise.
* include/cpplib.h (enum cpp_diagnostic_level): Name this enum,
and move to before struct cpp_callbacks.
(enum cpp_warning_reason): Likewise.
(cpp_callbacks::diagnostic): Convert params from int to enums.
(cpp_error): Convert int param to enum cpp_diagnostic_level.
(cpp_warning): Convert int param to enum cpp_warning_reason.
(cpp_pedwarning): Likewise.
(cpp_warning_syshdr): Likewise.
(cpp_errno): Convert int param to enum cpp_diagnostic_level.
(cpp_errno_filename): Likewise.
(cpp_error_with_line): Likewise.
(cpp_warning_with_line): Convert int param to enum
cpp_warning_reason.
(cpp_pedwarning_with_line): Likewise.
(cpp_warning_with_line_syshdr): Likewise.
(cpp_error_at): Convert int param to enum cpp_diagnostic_level.
* macro.c (create_iso_definition): Convert int to enum.
(_cpp_create_definition): Likewise.
From-SVN: r264999
/cp
2018-10-09 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84423
* pt.c (convert_template_argument): Immediately return error_mark_node
if the second argument is erroneous.
* parser.c (cp_parser_type_id): Add location_t * parameter.
(cp_parser_type_id_1): Likewise.
(cp_parser_alias_declaration): Adjust cp_parser_type_id call,
obtain the location of the type and save it.
(cp_parser_template_type_arg): Adjust.
(cp_parser_trailing_type_id): Likewise.
* decl.c (grokdeclarator): Improve error message for 'auto' in
alias declaration.
/testsuite
2018-10-09 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84423
* g++.dg/concepts/pr84423-1.C: New.
* g++.dg/concepts/pr84423-2.C: Likewise.
* g++.dg/cpp0x/auto39.C: Test location too.
* g++.dg/cpp0x/auto9.C: Likewise.
* g++.dg/cpp1y/pr60384.C: Likewise.
From-SVN: r264996
This is part 2/2 for contributing PPC64LE support for X86 SSE3
instrisics. This patch includes testsuite/gcc.target tests for the
intrinsics defined in pmmintrin.h.
Tested on POWER8 ppc64le and ppc64 (-m64 and -m32, the latter only reporting
10 new unsupported tests.)
[gcc/testsuite]
2018-10-09 Paul A. Clarke <pc@us.ibm.com>
* gcc.target/powerpc/sse3-check.h: New file.
* gcc.target/powerpc/sse3-addsubps.c: New file.
* gcc.target/powerpc/sse3-addsubpd.c: New file.
* gcc.target/powerpc/sse3-haddps.c: New file.
* gcc.target/powerpc/sse3-hsubps.c: New file.
* gcc.target/powerpc/sse3-haddpd.c: New file.
* gcc.target/powerpc/sse3-hsubpd.c: New file.
* gcc.target/powerpc/sse3-lddqu.c: New file.
* gcc.target/powerpc/sse3-movsldup.c: New file.
* gcc.target/powerpc/sse3-movshdup.c: New file.
* gcc.target/powerpc/sse3-movddup.c: New file.
* gcc.target/powerpc/pr37191.c: New file.
From-SVN: r264992
This is a follow-on to earlier commits for adding compatibility
implementations of x86 intrinsics for PPC64LE. This is the first of
two patches. This patch adds 11 of the 13 x86 intrinsics from
<pmmintrin.h> ("SSE3"). (Patch 2/2 adds tests for these intrinsics,
and briefly describes the tests performed.)
Implementations are relatively straightforward, with occasional
extra effort for vector element ordering.
Not implemented are _mm_wait and _mm_monitor, as there are no
direct or trivial analogs in the POWER ISA.
./gcc/ChangeLog:
2018-10-05 Paul A. Clarke <pc@us.ibm.com>
* config.gcc (powerpc*-*-*): Add pmmintrin.h to extra_headers.
* config/rs6000/pmmintrin.h: New file.
From-SVN: r264991
LLVM doesn't support non-call exception. This test was passing
more or less by luck: if the faulting instruction is between two
calls with the same landing pad (in instruction layout order,
not the program's logic order), it generates a merged PC range
that covers the faulting instruction. If the instruction layout
order changes, or it uses two different (but may be degenerate)
landing pads, this doesn't work.
Reviewed-on: https://go-review.googlesource.com/c/140517
From-SVN: r264985
This change is aimed at getting rid of spurious -Wuninitialized warnings
issued for small records passed by copy and containing default values
for some of their components.
The source of the problem is that the _Init parameter of the
initialization routine is declared as an in/out parameter, so the
uninitialized object is passed by copy to it and this can be flagged by
-Wuninitialized.
That's why the mode of the parameter is changed to out, except for the
cases where information really needs to be passed in: unconstrained
array types, protected and task types.
For the following record type Rec!
type Rec is record
B : Boolean := True;
end record;
the initialization routine must now be:
procedure r__recIP (_init : out r__rec1) is
begin
_init.b := true;
return;
end r__recIP;
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch3.adb (Is_Null_Statement_List): New predicate.
(Build_Array_Init_Proc): Use it to find out whether the
initialization procedure Is_Null_Init_Proc; if so, set
Warnings_Off on the parameter.
(Build_Init_Procedure): Likewise.
(Init_Formals): Use an in/out first parameter only for
unconstrained arrays and for records either containing or built
for proteced types or task types; use an out parameter in all
the other cases.
* fe.h (Is_Init_Proc): Declare.
* gcc-interface/decl.c (type_requires_init_of_formal): Do not
return true for a discriminant in an unchecked union.
(gnat_to_gnu_param): Do not create a PARM_DECL for the Out
parameter of an initialization procedure.
From-SVN: r264984
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Constant>: If
this is not a definition, retrieve the expression in all cases
even if we are just annotating types.
* gcc-interface/trans.c (gnat_to_gnu): Also translate Size
attribute for constrained types in this mode.
From-SVN: r264983
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* adaint.c (__gnat_get_executable_suffix_ptr): Add new line.
(__gnat_locate_exec): Check that HOST_EXECUTABLE_SUFFIX is not
empty before doing a string search for it.
* socket.c (ATTRIBUTE_UNUSED): Define.
(__gnat_disable_sigpipe): Add ATTRIBUTE_UNUSED on parameter.
* terminals.c (ATTRIBUTE_UNUSED): Move around.
(__gnat_setup_child_communication): Add ATTRIBUTE_UNUSED on
parameter.
(__gnat_send_header): Add ATTRIBUTE_UNUSED on parameters.
From-SVN: r264982
GNATprove does not have sometimes the precise information of the
compiler about size of types and objects, so that it cannot evaluate the
expressions in pragma Compile_Time_Error/Warning the same way the
compiler does. Thus, these pragmas should be ignored in GNATprove mode,
as it can neither verify them nor assume them (if the expression cannot
be evaluated at compile time, then the semantics for GNAT is to ignore
them).
2018-10-09 Yannick Moy <moy@adacore.com>
gcc/ada/
* sem_prag.adb (Process_Compile_Time_Warning_Or_Error): Rewrite
pragmas as null statements in GNATprove mode.
From-SVN: r264981
This fixlet gets rid of a spurious error issued in the specific case of
a call to a subprogram taking an Out parameter of a discriminated record
type without default discriminants, if the actual parameter is the
result of the conversion to the record type of a variable whose type is
derived from the record and has a representation clause.
The compiler was failing to initialize the temporary made around the
call because of the representation clause, but this is required for a
type with discriminants because discriminants may be read by the called
subprogram.
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch6.adb (Add_Call_By_Copy_Code): Initialize the temporary
made for an Out parameter if the formal type has discriminants.
gcc/testsuite/
* gnat.dg/derived_type5.adb, gnat.dg/derived_type5_pkg.ads: New
testcase.
From-SVN: r264980
The back-end was recently changed to issue more -Wuninitialized warnings
on Out parameters and this has caught a case related to
Ada.Iterator_Interface.: This patchlet simply kills this uninteresting
warning.
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_disp.adb (Make_Disp_Asynchronous_Select_Spec): Set
Warnings_Off on the B out parameter.
gcc/testsuite/
* gnat.dg/warn17.adb: New testcase.
From-SVN: r264977
This fixes a recent regression introduced in the compiler for the
inlined renaming of a subprogram instantiated in a package body. It was
wrongly clearing the Is_Public flag on the entity associated with the
body.
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch7.adb (Has_Referencer): Add comment for the
N_Freeze_Entity case. Do not rely on
Has_Referencer_Of_Non_Subprograms to clear the Is_Public flag on
subprogram entities.
gcc/testsuite/
* gnat.dg/inline14.adb, gnat.dg/inline14_pkg.adb,
gnat.dg/inline14_pkg.ads: New testcase.
From-SVN: r264975
2018-10-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* exp_unst.adb (In_Synchronized_Call): Handle properly private
types whose full views are synchronized types, in order to
recognize generated subprograms whose bodies must be considered
reachable even if no direct calls to them are visible in the
source.
From-SVN: r264974
2018-10-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* exp_ch4.adb (Expand_Modular_Op): When expanding an operation
on nonbinary modular types, convert the opersnds to an integer
type that is large enough to hold the modulus of the type, which
may be larger than Integer'Last.
From-SVN: r264973
2018-10-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* exp_unst.adb (Unnest_Subprogram): When an uplevel reference
is to an unconstrained formal, the 'Access reference that is
created to initialize the corresponding component of the
activation record must be wrapped in an unchecked conversion to
the generated type of the component. Otherwise, spurious suvtype
conformance errors will be generated when the code is within an
instantiation and the type of the formal is a formal type of the
enclosing generic. Note that during unnesting there is no simple
way to determine that the code appears within an instance
because ther is no scope stack.
From-SVN: r264972
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/decl.c (type_requires_init_of_formal): New
predicate.
(gnat_to_gnu_param): Use it to determine whether a PARM_DECL
must be created for an Out parameter passed by copy.
From-SVN: r264971
2018-10-09 Claire Dross <dross@adacore.com>
gcc/ada/
* libgnat/a-cfinve.ads: Remove default value for
Max_Size_In_Storage_Elements as it was not supported in SPARK.
From-SVN: r264969
2018-10-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* exp_ch6.adb (Add_Call_By_Copy_Node,
Add_Simple_Call_By_Copy_Node, Expand_Call_Helper): Reset
Is_True_Constant on entities used as Out or In_Out parameters in
calls.
From-SVN: r264968
2018-10-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* exp_unst.adb (Unnest_Subprogram): Do not load System to obtain
the Address entity unless an activation record is being built.
Removes useless with_clauses for System when nested subprograms
do not have uplevel references, and therefore do not need
activation records.
From-SVN: r264967
This patch removes an improper error message on a visibility change in
an aspect expression between the freeze point and the end of the
declaration list, when the expression involves a call to a instance of
Unchecked_Conversion and the enclosing package declaration has a package
body with multiple subprogram bodies.
The following must compile quietly:
----
package body Par.Rep is
procedure Nothing is begin null; end;
procedure Rien is begin null; end;
end;
----
with Par.Loc;
package Par.Rep is
type Rec is record
X, Y : Integer;
end record
with Volatile;
Thing2 : Unsigned_32 := 15;
Thing3 : Rec
with Volatile, Address => To_Address (Par.Loc.Flash_Base);
procedure Nothing;
end;
----
pragma Restrictions (No_Elaboration_Code);
with interfaces; use interfaces;
pragma unreferenced (interfaces);
with Tp; use Tp;
pragma unreferenced (Tp);
package Par is
end Par;
----
with Ada.Unchecked_Conversion;
with System;
with Interfaces; use Interfaces;
package Tp is
subtype system_address is unsigned_32;
function to_address is new
ada.unchecked_conversion (system_address, system.address);
function To_32 is new
ada.unchecked_conversion (System.Address, System_Address);
end;
----
with TP; use TP;
package Par.Loc is
FLASH_BASE : constant system_address := 16#0800_0000#;
end;
2018-10-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_ch6.adb (Fully_Conformant_Expressions): Handle properly
the conformance check on an aspect expression that includes a
call to an instance of Unchecked_Conversion, or more generally a
call to an intrinsic operation.
From-SVN: r264966
2018-10-09 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* repinfo.adb: Remove with/use clause for Stand.
(List_Mechanisms): List the mechanism of functions only.
From-SVN: r264965
2018-10-09 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* checks.adb (Apply_Type_Conversion_Checks): Use GNATprove_Mode
rather than SPARK_mode in order to preserve the Do_Range_Check
flag for verification purposes.
From-SVN: r264961
Nathan Sidwell
Jonathan Wakely
Martin Jambor
Jakub Jelinek
GCC Administrator
Eric Botcazou
Marek Polacek
Paul A. Clarke
Bernd Edlinger
Martin Sebor
Uros Bizjak
Richard Biener
David Malcolm
Paolo Carlini
François Dumont
Tobias Burnus
Ian Lance Taylor
Yannick Moy
Maroua Maalej
Doug Rupp
Ed Schonberg
Arnaud Charlet
Claire Dross
Bob Duff
Vasiliy Fofanov