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2019-12-17 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/rs6000.c (num_insns_constant_gpr): Return 1 if the
constant can be loaded with PLI if -mcpu=future.
* config/rs6000/rs6000.md (movdi_internal64): Add alternative to
use PLI to load up 34-bit constants if -mcpu=future.
From-SVN: r279474
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We changed months back to use the pre-generic form for constexpr evaluation,
but explain_invalid_constexpr_fn was still using DECL_SAVED_TREE. This
mostly works, but misses some issues due to folding. So with this patch we
save the pre-generic form of constexpr functions even when we know they
can't produce a constant result.
* constexpr.c (register_constexpr_fundef): Do store the body of a
template instantiation that is not potentially constant.
(explain_invalid_constexpr_fn): Look it up.
(cxx_eval_call_expression): Check fundef->result.
From-SVN: r279473
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The variable templates patch way back when forgot to add handling here. The
simplest answer seems to be recursing to the underlying declaration.
* decl.c (redeclaration_error_message): Recurse for variable
templates.
From-SVN: r279472
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From-SVN: r279471
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parameter)
PR c++/59655
* pt.c (push_tinst_level_loc): If limit_bad_template_recursion,
set TREE_NO_WARNING on tldcl.
* decl2.c (no_linkage_error): Treat templates with TREE_NO_WARNING
as defined during error recovery.
* g++.dg/cpp0x/diag3.C: New test.
From-SVN: r279470
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PR target/92841
* config/i386/i386.md (@stack_protect_set_1_<mode>,
@stack_protect_test_1_<mode>): Use output_asm_insn.
(*stack_protect_set_2_<mode>, *stack_protect_set_3): New define_insns
and corresponding define_peephole2s.
* gcc.target/i386/pr92841.c: New test.
From-SVN: r279468
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Apologies everyone. :-(
From-SVN: r279466
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
gcc/testsuite/
* gcc.dg/vect/pr65947-8.c: Change pass conditions for amdgcn.
* gcc.dg/vect/vect-multitypes-11.c: Ensure that main isn't vectorized.
* gcc.dg/vect/vect-multitypes-12.c: Likewise.
From-SVN: r279465
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are external.
* symtab.c (symtab_node::get_partitioning_class): Aliases of external
symbols are external.
From-SVN: r279464
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This patch extends support for -mpure-code to all thumb-1 processors,
by removing the need for MOVT.
Symbol addresses are built using upper8_15, upper0_7, lower8_15 and
lower0_7 relocations, and constants are built using sequences of
movs/adds and lsls instructions.
The extension of the *thumb1_movhf pattern uses always the same size
(6) although it can emit a shorter sequence when possible. This is
similar to what *arm32_movhf already does.
CASE_VECTOR_PC_RELATIVE is now false with -mpure-code, to avoid
generating invalid assembly code with differences from symbols from
two different sections (the difference cannot be computed by the
assembler).
Tests pr45701-[12].c needed a small adjustment to avoid matching
upper8_15 when looking for the r8 register.
Test no-literal-pool.c is augmented with __fp16, so it now uses
-mfp16-format=ieee.
Test thumb1-Os-mult.c generates an inline code sequence with
-mpure-code and computes the multiplication by using a sequence of
add/shift rather than using the multiply instruction, so we skip it in
presence of -mpure-code.
With -mcpu=cortex-m0, the pure-code/no-literal-pool.c fails because
code like:
static char *p = "Hello World";
char *
testchar ()
{
return p + 4;
}
generates 2 indirections (I removed non-essential directives/code)
.section .rodata
.LC0:
.ascii "Hello World\000"
.data
p:
.word .LC0
.section .rodata
.LC2:
.word p
.section .text,"0x20000006",%progbits
testchar:
push {r7, lr}
add r7, sp, #0
movs r3, #:upper8_15:#.LC2
lsls r3, #8
adds r3, #:upper0_7:#.LC2
lsls r3, #8
adds r3, #:lower8_15:#.LC2
lsls r3, #8
adds r3, #:lower0_7:#.LC2
ldr r3, [r3]
ldr r3, [r3]
adds r3, r3, #4
movs r0, r3
mov sp, r7
@ sp needed
pop {r7, pc}
By contrast, when using -mcpu=cortex-m4, the code looks like:
.section .rodata
.LC0:
.ascii "Hello World\000"
.data
p:
.word .LC0
testchar:
push {r7}
add r7, sp, #0
movw r3, #:lower16:p
movt r3, #:upper16:p
ldr r3, [r3]
adds r3, r3, #4
mov r0, r3
mov sp, r7
pop {r7}
bx lr
I haven't found yet how to make code for cortex-m0 apply upper/lower
relocations to "p" instead of .LC2. The current code looks functional,
but could be improved.
2019-10-18 Christophe Lyon <christophe.lyon@linaro.org>
gcc/
* config/arm/arm-protos.h (thumb1_gen_const_int): Add new prototype.
* config/arm/arm.c (arm_option_check_internal): Remove restriction
on MOVT for -mpure-code.
(thumb1_gen_const_int): New function.
(thumb1_legitimate_address_p): Support -mpure-code.
(thumb1_rtx_costs): Likewise.
(thumb1_size_rtx_costs): Likewise.
(arm_thumb1_mi_thunk): Likewise.
* config/arm/arm.h (CASE_VECTOR_PC_RELATIVE): Likewise.
* config/arm/thumb1.md (thumb1_movsi_symbol_ref): New.
(*thumb1_movhf): Support -mpure-code.
gcc/testsuite/
* gcc.target/arm/pr45701-1.c: Adjust for -mpure-code.
* gcc.target/arm/pr45701-2.c: Likewise.
* gcc.target/arm/pure-code/no-literal-pool.c: Add tests for
__fp16.
* gcc.target/arm/pure-code/pure-code.exp: Remove thumb2 and movt
conditions.
* gcc.target/arm/thumb1-Os-mult.c: Skip if -mpure-code is used.
From-SVN: r279463
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
* tree-vect-loop.c (vect_create_epilog_for_reduction): Mention pr92772
in the comments.
From-SVN: r279460
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/gcn/gcn-valu.md (extract_last_<mode>): New expander.
(fold_extract_last_<mode>): New expander.
gcc/testsuite/
* lib/target-supports.exp
(check_effective_target_vect_fold_extract_last): Add amdgcn.
From-SVN: r279459
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/gcn/gcn.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
(CTZ_DEFINED_VALUE_AT_ZERO): Define.
* config/gcn/gcn.md (s_mnemonic): Add clz and ctz.
(expander): Likewise.
(countzeros): New code iterator.
(<expander>si2): New insn pattern.
(<expander>di2): New insn pattern.
From-SVN: r279458
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WBNOINVD)
PR target/92962
* common/config/i386/i386-common.c (processor_alias_table): Formatting
fixes.
* doc/invoke.texi (bdver3, bdver4, znver1): Add missing closing paren.
(znver2): Likewise. Add RDPID and WBNOINVD, remove spurious comma
before CLWB.
From-SVN: r279455
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2019-12-17 Hongyu Wang <hongyu.wang@intel.com>
gcc/
PR target/92651
* config/i386/i386.h (TARGET_EXPAND_ABS): New macro.
* config/i386/x86-tune.def (X86_TUNE_EXPAND_ABS): New.
* config/i386/i386.md (abs<SWI48x>2): New define_expand.
gcc/testsuite
* gcc.target/i386/pr92651.c: New testcase.
From-SVN: r279452
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Since except for Bonnell,
01 fb add %edi,%ebx
is faster and shorter than
8d 1c 1f lea (%rdi,%rbx,1),%ebx
we should use add for a = a + b and a = b + a when possible if not
optimizing for Bonnell.
Tested on x86-64.
2019-12-17 H.J. Lu <hjl.tools@gmail.com>
gcc/
PR target/92807
* config/i386/i386.c (ix86_lea_outperforms): Check !TARGET_BONNELL.
(ix86_avoid_lea_for_addr): When not optimizing for Bonnell, use add
for a = a + b and a = b + a.
gcc/testsuite/
PR target/92807
* gcc.target/i386/pr92807-1.c: New test.
From-SVN: r279451
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From-SVN: r279450
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It seems we need to unshare even non-CONSTRUCTOR expressions that we are
going to stick in the constexpr_call_table, so we don't end up sharing the
same e.g. ADDR_EXPR between two different functions. I now think I
understand why unsharing CONSTRUCTOR arguments was improving memory
performance: separating the arguments from the caller function allows the
caller function to be GC'd better. But it occurs to me that we don't need
to unshare until we decide that we're evaluating and caching this call, so
we can avoid the CONSTRUCTOR unshare/free pair for tentative arguments.
Freeing the tentative TREE_VEC still seems worth doing, so free_bindings
isn't going away entirely.
* constexpr.c (cxx_bind_parameters_in_call): Don't unshare.
(cxx_eval_call_expression): Unshare all args if we're caching.
From-SVN: r279447
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gcc/ChangeLog:
* builtins.c (compute_objsize): Adjust offset by the array low bound.
From-SVN: r279445
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gcc/ChangeLog:
* pretty-print.c (pp_write_text_as_html_like_dot_to_stream): New
function.
* pretty-print.h (pp_write_text_as_html_like_dot_to_stream): New decl.
From-SVN: r279444
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It turns out we still used hardcoded register numbers for the CR fields
in some cases, and they now use the wrong numbers since we renumbered
most of the registers. So let's use the symbolic names, instead.
* config/rs6000/rs6000.md (movsi_to_cr_one): Use CR0_REGNO instead of
hardcoding the (old, expired) register number.
(*mtcrfsi): Ditto.
From-SVN: r279443
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contrib/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config-list.mk: Add msp430-elfbare.
gcc/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config.gcc: s/msp430*-*-*/msp430-*-*.
Handle msp430-*-elfbare.
* config/msp430/msp430-devices.c (TARGET_SUBDIR): Define.
(_MSPMKSTR): Define.
(__MSPMKSTR): Define.
(rest_of_devices_path): Use TARGET_SUBDIR value in string.
* config/msp430/msp430.c (msp430_option_override): Error if
-fuse-cxa-atexit is used when it has been disabled at configure time.
* config/msp430/t-msp430: Define TARGET_SUBDIR when building
msp430-devices.o.
* doc/install.texi: Document msp430-*-elf and msp430-*-elfbare.
* doc/invoke.texi: Update documentation about which path devices.csv is
searched for.
gcc/testsuite/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* g++.dg/init/dso_handle1.C: Require cxa_atexit support.
* g++.dg/init/dso_handle2.C: Likewise.
* g++.dg/other/cxa-atexit1.C: Likewise.
* gcc.target/msp430/msp430.exp: Update csv-using-installed.c test to
handle msp430-elfbare configuration.
libgcc/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config.host: s/msp430*-*-elf/msp430-*-elf*.
Override default "extra_parts" variable.
* configure: Regenerate.
* configure.ac: Disable TM clone registry by default for
msp430-elfbare.
From-SVN: r279442
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.adb (Handle_Serious_Error): Disable the above-mentioned
warnings.
From-SVN: r279441
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.adb, errout.ads: Improve comments.
From-SVN: r279440
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_util.ads: Minor comment fix.
From-SVN: r279439
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.ads, errout.adb (Is_Size_Too_Small_Message): Check for
"size for" instead of "size for& too small, minimum allowed is
^".
From-SVN: r279438
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Set only
the RM_Size on the subtype built for a Component_Size clause
when the component type is a biased integer type.
From-SVN: r279437
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* socket.c: Shutdown warning.
From-SVN: r279436
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnarl/s-tataat.ads (Deallocator): Mark as Favor_Top_Level.
From-SVN: r279435
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-aotase.adb, libgnat/s-aotase.ads,
libgnat/s-atoope.ads, libgnat/s-atopar.adb,
libgnat/s-atopar.ads, libgnat/s-atopex.adb,
libgnat/s-atopex.ads: New files.
* libgnat/s-atopri.ads: Add new intrinsics.
* Makefile.rtl: Add new runtime files.
* impunit.adb: Add new units to Ada 2020 list.
From-SVN: r279434
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* freeze.adb (Check_Strict_Alignment): Remove new check on
Has_Aliased_Components for array types.
From-SVN: r279433
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2019-12-16 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_ch4.adb (Try_Container_Indexing): In the case of a derived
container type, use the base type to look for candidate indexing
operations, because the object may be a constrained subtype or
itype with no explicit declaration. Candidate indexing
operations are found in the same scope and list of declarations
as the declaration of the base type.
From-SVN: r279432
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2019-12-16 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* scng.adb (Scan): In Ada2020, a left-bracket indicates the
start of an homogenous aggregate.
* par-ch4.adb (P_Reduction_Attribute_Reference): New procedure.
(P_Aggregate): Recognize Ada2020 bracket-delimited aggregates.
(P_Primary): Ditto.
* par-util.adb (Comma_Present): Return false on a right bracket
in Ada2020, indicating the end of an aggregate.
* snames.ads-tmpl: Introduce Name_Reduce and Attribute Reduce.
* sinfo.ads, sinfo.adb (Is_Homogeneous_Aggregate): New flag on
aggregates, to designate an Ada2020 array or container aggregate
that is bracket-delimited in the source.
* sem_attr.adb (Analyze_Attribute): For attribute Reduce, verify
that two arguments are present, and verify that the prefix is a
stream or an object that is iterable (array or contrainer).
(Resolve_Attribute): For attribute Reduce, resolve initial value
with the type of the context. Type-checking of element type of
prefix is performed after expansion.
* exp_attr.adb (Expand_N_Attribute_Reference): For attribute
Reduce, expand into a loop: a) If prefix is an aggregate with a
single iterated component association, use its iterator
specification to construct a loop, b) If prefix is a name, build
a loop using an element iterator loop.
* scans.ads: Add brackets tokens.
From-SVN: r279431
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Adjust calls to
validate_size.
(gnat_to_gnu_component_type): Likewise.
(gnat_to_gnu_field): Likewise and pass string for error messages.
(components_need_strict_alignment): Remove test on Is_Aliased and
add test for the independence of the component.
(validate_size): Add S1 and S2 string parameters and use them to
give better error messages for fields. Tweak a couple of messages.
* einfo.ads (Has_Independent_Components): Document more cases.
(Is_Independent): Likewise.
(Strict_Alignment): Document new semantics.
* exp_ch9.adb (Install_Private_Data_Declarations): Also set the
Is_Independent flag along with Is_Aliased on the renaming
entity.
* freeze.adb (Size_Known): Remove always-false test and add test
for the strict-alignment on the record type. Remove redundant
tests and add test for the strict-alignment on the component
type.
(Check_Strict_Alignment): Set the flag if the type is by-ref and
remove now redundant conditions. Set the flag on an array type
if it has aliased components. In the record type case, do not
set type for C_Pass_By_Copy convention.
(Freeze_Array_Type): Move code checking for conflicts between
representation aspects and clauses to before specific handling
of packed array types. Give a warnind instead of an error for a
conflict with pragma Pack. Do not test Has_Pragma_Pack for the
specific handling of packed array types.
(Freeze_Record_Type): Move error checking of representation
clause to...
(Freeze_Entity): ...here after Check_Strict_Alignment is called.
* sem_aggr.adb (Array_Aggr_Subtype): Also set the Is_Independent
flag along with Is_Aliased on the Itype.
* sem_ch13.adb (Check_Record_Representation_Clause): Do not set
the RM size for a strict-alignment type.
* sem_ch3.adb (Add_Interface_Tag_Components): Also set the
Is_Independent flag along with Is_Aliased on the tag.
(Add_Interface_Tag_Components): Likewise on the offset.
(Analyze_Component_Declaration): Likewise on the component.
(Analyze_Object_Declaration): Likewise on the object.
(Constrain_Array): Likewise on the array.
(Record_Type_Declaration: Likewise on the tag.
(Array_Type_Declaration): Also set the
Has_Independent_Components flag along with
Has_Aliased_Components on the array.
(Copy_Array_Base_Type_Attributes): Copy
Has_Independent_Components.
(Copy_Array_Subtype_Attributes): Copy Is_Atomic, Is_Independent
and Is_Volatile_Full_Access.
(Analyze_Iterator_Specification): Set Is_Independent on the loop
variable according to Independent_Components on the array.
* sem_ch5.adb: Likewise.
* sem_ch6.adb (Process_Formals): Also set the Is_Independent
flag along with Is_Aliased on the formal.
gcc/testsuite/
* gnat.dg/specs/clause_on_volatile.ads,
gnat.dg/specs/size_clause3.ads: Update expected diagnostics.
From-SVN: r279430
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch8.adb (Analyze_Object_Renaming): Set Atomic, Independent
and Volatile_Full_Access aspects on the entity of the renaming
the same way as the Volatile aspect is set.
* sem_util.ads (Is_Atomic_Object_Entity): Move declaration to...
(Is_Independent_Object): New function.
(Is_Volatile_Full_Access_Object): Likewise.
* sem_util.adb (Is_Atomic_Object_Entity): ...here.
(Prefix_Has_Atomic_Components): Minor tweak.
(Is_Atomic_Object): Test Is_Atomic on the Etype uniformly.
(Is_Atomic_Or_VFA_Object): Call Is_Volatile_Full_Access_Object.
(Is_Independent_Object): New predicate.
(Is_Subcomponent_Of_Atomic_Object): Remove redundant test.
(Is_Volatile_Full_Access_Object): New predicate.
(Is_Volatile_Prefix): Rename into...
(Prefix_Has_Volatile_Components): ... and call
Is_Volatile_Object.
(Object_Has_Volatile_Components): Delete.
(Is_Volatile_Object): Simplify.
* gcc-interface/trans.c (node_is_volatile_full_access): Adjust
comment.
From-SVN: r279429
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* par.adb: Add Scopes function to do range checking on the scope
stack. Call Scopes all over the parser. Add
SIS_Aspect_Import_Seen flag.
* par-ch6.adb (P_Subprogram): Initialize SIS_Aspect_Import_Seen
to False at the start, and check it at the end.
* par-ch13.adb (Get_Aspect_Specifications): Set
SIS_Aspect_Import_Seen to True when appropriate.
* par-ch10.adb, par-ch12.adb, par-ch2.adb, par-ch3.adb,
par-ch5.adb, par-ch7.adb, par-ch9.adb, par-endh.adb,
par-util.adb: Call Scopes.
From-SVN: r279428
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_prag.adb (Atomic_Components): Remove local variable and
fix consistency issues. Call Component_Type on the Etype of E.
(Independent_Components): Remove local variable.
* sem_util.adb (Is_Subcomponent_Of_Atomic_Object): Properly deal
with prefixes that are access values.
* gcc-interface/trans.c (atomic_acces_t): New enumeral type.
(node_is_atomic) <N_Indexed_Component>: Test the prefix.
(node_has_volatile_full_access): Rename into...
(node_is_volatile_full_access): ...this.
(node_is_component): New predicare.
(gnat_strip_type_conversion): Delete.
(outer_atomic_access_required_p): Likewise.
(atomic_access_required_p): Rename into...
(get_atomic_access): ...this. Implement the 3 different semantics
of Atomic and Volatile_Full_Access.
(simple_atomic_access_required_p): New predicate.
(Call_to_gnu): Remove outer_atomic_access parameter and change the
type of atomic_access parameter to atomic_acces_t. Replace call to
atomic_access_required_p with simple_atomic_access_required_p for
the in direction and call get_atomic_access for the out direction
instead of [outer_]atomic_access_required_p.
(lhs_or_actual_p): Constify local variables.
(present_in_lhs_or_actual_p): Likewise.
(gnat_to_gnu) <N_Identifier>: Replace call to atomic_access_required_p
with simple_atomic_access_required_p.
<N_Explicit_Dereference>: Likewise.
<N_Indexed_Component>: Likewise.
<N_Selected_Component>: Likewise.
<N_Assignment_Statement>: Call get_atomic_access for the name instead
of [outer_]atomic_access_required_p. Adjust call to Call_to_gnu.
<N_Function_Call>: Adjust call to Call_to_gnu.
(get_controlling_type): Fix typo in comment.
From-SVN: r279427
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* fe.h (Ada_Version_Type): New typedef.
(Ada_Version): Declare.
* opt.ads (Ada_Version_Type): Add Convention C and WARNING line.
(Ada_Version): Add WARNING line.
(Exception_Mechanism_Type): Likewise.
From-SVN: r279426
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2019-12-16 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* checks.adb, sem_util.adb: Minor reformatting and U.S. spelling
adjustment.
From-SVN: r279425
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_ch10.adb (Analyze_Subunit): Give an error if the subunit
is not a proper body. This hides the confusing "duplicate body"
message that was previously given.
From-SVN: r279424
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch8.adb (Expand_N_Object_Renaming_Declaration): Document
third special case of renamings requiring special handling.
(Evaluation_Required): Return true for an atomic or VFA prefix.
From-SVN: r279423
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2019-12-16 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* checks.adb (Apply_Float_Conversion_Check): Use node of type
conversion and not its parent, when inserting the declaration
for the temporary that hold the result of the conversion.
Previously the declaration was inserted above the parent of the
conversion, apparently as a small optimization for the
subsequent traversal in Insert_Actions. Unfortunately a similar
optimization takes place in Insert_Actions, assuming that the
insertion point must be above the expression that creates the
actions to insert. This is not correct in the presence of
conditional expressions (i.e. since Ada2012), where the
insertion must be in the list of actions attached to the current
alternative.
From-SVN: r279422
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_attr.adb (Analyze_Attribute): Use Known_RM_Size. But we
still need Size_Known_At_Compile_Time, because when the size
really is known, sometimes only one or the other of these is
True.
From-SVN: r279421
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_util.adb (Is_Atomic_Or_VFA_Object): Also return true for
components whose type is Volatile_Full_Access or which are
subject to the aspect/pragma individually.
* sem_util.ads (Is_Atomic_Object_Entity): Small comment fix.
From-SVN: r279420
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2019-12-16 Yannick Moy <moy@adacore.com>
gcc/ada/
* exp_ch6.adb: Fix comment.
* sem_res.adb (Resolve_Call): Do not check No_Recursion
restriction or indirectly No_Secondary_Stack restriction, when
inside an ignored ghost subprogram.
From-SVN: r279419
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* impunit.adb: Add a-nbnbin, a-nbnbre, a-nubinu to Ada 2020
units.
* Makefile.rtl: Enable new file.
* libgnat/a-nbnbin.adb, libgnat/a-nbnbin.ads,
libgnat/a-nbnbre.adb, libgnat/a-nbnbre.ads,
libgnat/a-nubinu.ads: New files. Provide default standalone
implementation of Ada.Numerics.Big_Numbers.Big_* based on
System.Generic_Bignum.
* libgnat/a-nbnbin__gmp.adb: Alternate implementation of
Ada.Numerics.Big_Numbers.Big_Integers based on GMP. Not enabled
for now.
* libgnat/s-bignum.ads, libgnat/s-bignum.adb: Now a simple
wrapper on top of s-genbig.ads.
* libgnat/s-genbig.ads, libgnat/s-genbig.adb: New files, making
s-bignum generic for reuse in Ada.Numerics.Big_Numbers.
From-SVN: r279418
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
Correct documentation of -gnatw_C switch
* gnat_ugn.texi: Regenerate.
From-SVN: r279417
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2019-12-16 Joel Brobecker <brobecker@adacore.com>
gcc/ada/
* doc/gnat_ugn/building_executable_programs_with_gnat.rst
(_Switches_for_gnatbind): Reword the section explaining the
impact of -minimal on debugging.
* gnat_ugn.texi: Regenerate.
From-SVN: r279416
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2019-12-16 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* libgnat/g-exptty.adb, libgnat/g-exptty.ads: Typo fixes and
minor reformatting.
From-SVN: r279415
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch6.adb (Requires_Atomic_Or_Volatile_Copy): New predicate.
(Expand_Actuals): Use it to decide whether to add call by copy
code as per the RM C.6(19) clause.
* fe.h (Is_Atomic_Object): Remove.
(Is_Volatile_Object): Likewise.
* sem_util.ads (Is_Atomic_Object): Remove WARNING note.
(Is_Volatile_Object): Likewise.
* gcc-interface/trans.c (atomic_or_volatile_copy_required_p): Delete.
(Call_to_gnu): Do not implement the RM C.6(19) clause.
From-SVN: r279414
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