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Just makes an upcoming patch a bit clearer.
Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_fma): Remove constant handling.
(fold_builtin_3): Handle constant fma arguments here.
From-SVN: r229428
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fold_builtin_fabs and fold_builtin_abs had code to handle constant
arguments, but this simply duplicated what the following fold_build1_loc
would do for ABS_EXPR.
Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_fabs): Remove constant handling.
(fold_builtin_abs): Likewise.
From-SVN: r229427
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2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* namet.adb, namet.ads: Minor reformatting.
From-SVN: r229426
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Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_copysign): Delete.
(fold_builtin_2): Handle constant copysign arguments here.
* match.pd: Add rules previously handled by fold_builtin_copysign.
From-SVN: r229425
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2015-10-27 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Analyze_Allocator): Do not perform legality check
on allocators for limited objects in a qualified expression,
because expression has not been resolved.
* sem_res.adb (Resolve_Allocator): Perform check on legality of
limited objects after resolution. Add sem_ch3.adb to context.
2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* sem_prag.adb (Analyze_Refined_Global_In_Decl_Part): Add variable
States.
(Check_Refined_Global_Item): An object or state acts as a
constituent only when the corresponding encapsulating state
appears in pragma Global.
(Collect_Global_Item): Add a state with non-null visible refinement to
list States.
2015-10-27 Gary Dismukes <dismukes@adacore.com>
* sem_util.ads, par.adb, sem_ch6.adb: Minor reformatting and a few
typo corrections.
2015-10-27 Pierre-Marie de Rodat <derodat@adacore.com>
* namet.ads, namet.adb (Name_Equals): New function.
* namet.h (Name_Equals): New macro.
2015-10-27 Arnaud Charlet <charlet@adacore.com>
* exp_ch6.adb (Build_Procedure_Form): Use 'RESULT' for the extra
parameter, to avoid ambiguity when generating tmps using _xxx which
might end up reusing _result.
From-SVN: r229424
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Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_signbit): Delete.
(fold_builtin_2): Handle constant signbit arguments here.
* match.pd: Add rules previously handled by fold_builtin_signbit.
gcc/testsuite/
PR tree-optimization/68097
* gcc.dg/torture/builtin-nonneg-1.c: Skip at -O0. Add
--param max-ssa-name-query-depth=3 to dg-options.
From-SVN: r229423
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The expression:
signbit(sqrt(x))
is always 0 for -ffast-math. The signbit fold first converts it to:
sqrt(x) < 0
and whether we realise that this is false depends on a race between two
folders: the sqrt comparison folder, which wants to convert it to
x < 0*0
and the generic tree_expr_nonnegative_p rule for ... < 0, which would
give the hoped-for 0.
The sqrt code already handles comparisons with negative values specially,
so this patch simply extends that idea to comparisons with zero.
Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* match.pd: Handle sqrt(x) cmp 0 specially.
gcc/testsuite/
* gcc.dg/torture/builtin-sqrt-cmp-1.c: New test.
From-SVN: r229422
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2015-10-27 Javier Miranda <miranda@adacore.com>
* sem_util.ads, sem_util.adb (Defining_Identifier): Adding a formal to
indicate the needed behavior in case of nodes with errors.
2015-10-27 Ed Schonberg <schonberg@adacore.com>
* sem_attr.adb (Eval_Attribute): If the prefix of attribute
Enum_Rep is an object that is a generated loop variable for an
element iterator, no folding is possible.
* sem_res.adb (Resolve_Entity_Name): Do not check for a missing
initialization in the case of a constant that is an object
renaming.
* exp_attr.adb (Expand_N_Attribute_Reference, case Enum_Rep):
If the prefix is a constant that renames an expression there is
nothing to evaluate statically.
2015-10-27 Vincent Celier <celier@adacore.com>
* gnatlink.adb: Always delete the response file, even when the
invocation of gcc to link failed.
2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch6.adb (Analyze_Subprogram_Body_Helper):
Do not inherit the SPARK_Mode from the context if it has been
set already.
(Build_Subprogram_Declaration): Relocate relevant
pragmas from the subprogram body to the generated corresponding
spec. Do not copy aspect SPARK_Mode as this leads to circularity
in Copy_Separate_Tree. Inherit the attributes that describe
pragmas Ghost and SPARK_Mode.
(Move_Pragmas): New routine.
From-SVN: r229421
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2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* inline.adb (Is_Expression_Function): Removed.
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): An internally
generated subprogram body that completes an expression function
inherits the SPARK_Mode from the spec.
* sem_res.adb (Resolve_Call): Update all calls to
Is_Expression_Function.
* sem_util.ads, sem_util.adb (Is_Expression_Function): Reimplemented.
(Is_Expression_Function_Or_Completion): New routine.
From-SVN: r229420
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2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* lib-xref-spark_specific.adb, a-dirval-mingw.adb, exp_ch6.adb,
sem_ch8.adb, s-os_lib.adb: Minor reformatting.
From-SVN: r229419
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2015-10-27 Yannick Moy <moy@adacore.com>
* lib-xref-spark_specific.adb
(Enclosing_Subprogram_Or_Library_Package): detect library-level
subprograms and handle entries as subprograms, i.e. now both
library-level subprograms and entry bodies act as enclosing
scopes.
(Traverse_Declarations_Or_Statements): process entry bodies just
like subprogram bodies.
* lib-xref.ads (Enclosing_Subprogram_Or_Library_Package): comment
simplified while keeping its the meaning and minor typo fixed
("of" -> "or").
* spark_xrefs.ads (Xref Section): fix in description of the ALI
line for subprogram calls; such lines start with captial "F"
followed by a space.
2015-10-27 Ed Schonberg <schonberg@adacore.com>
* sem_ch8.adb (Find_Direct_Name): A parameter association is
a legal context for applying an implicit dereference.
(Analyze_Expanded_Name): Minor code cleanup.
From-SVN: r229418
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2015-10-27 Arnaud Charlet <charlet@adacore.com>
* sinput.ads, spark_xrefs.ads, lib-xref.adb: Fix typos.
From-SVN: r229417
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2015-10-27 Pascal Obry <obry@adacore.com>
* a-dirval-mingw.adb: Remove some characters from Invalid_Character set.
2015-10-27 Ed Schonberg <schonberg@adacore.com>
* exp_ch6.adb (Rewrite_Function_Call_For_C): Use a named
associaion for the added actual in the call because previous
actuals may also have been given by explicit associations.
* lib-xref.adb: Minor style fixes.
From-SVN: r229416
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2015-10-27 Arnaud Charlet <charlet@adacore.com>
* gnat1drv.adb: Remove hard coded restrictions.
2015-10-27 Pascal Obry <obry@adacore.com>
* a-dirval-mingw.adb: Minor reformatting.
From-SVN: r229415
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2015-10-27 Javier Miranda <miranda@adacore.com>
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Improve previous patch.
2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch12.adb (Analyze_Formal_Package_Declaration): Code cleanup. Set
and restore the value of global flag Ignore_Pragma_SPARK_Mode. A
formal package declaration acts as a package instantation with
respect to SPARK_Mode legality.
2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* sem_prag.adb (Check_Constituent_Usage): Use
logical operators rather than short circuit operators. Emit an
error when a state with visible refinement is not refined.
* snames.ads-tmpl: Add names for detecting
predefined potentially blocking subprograms.
2015-10-27 Arnaud Charlet <charlet@adacore.com>
* exp_aggr.adb (Aggr_Assignment_OK_For_Backend): Revert previous
change.
(Expand_Array_Aggregate): Rewrite previous change here
as done for other non GCC back-ends.
(Build_Record_Aggr_Code): Add special case.
From-SVN: r229414
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using it.
gcc/
* tree-vect-generic.c (expand_vector_operations_1): Check
optab type before using it.
From-SVN: r229413
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* config/aarch64/aarch64-protos.h
(struct tune_params): Add autoprefetcher_model field.
* config/aarch64/aarch64.c: Include params.h
(generic_tunings): Specify autoprefetcher_model value.
(cortexa53_tunings): Likewise.
(cortexa57_tunings): Likewise.
(cortexa72_tunings): Likewise.
(thunderx_tunings): Likewise.
(xgene1_tunings): Likewise.
(aarch64_first_cycle_multipass_dfa_lookahead_guard): New function.
(TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
(aarch64_override_options_internal): Set
PARAM_SCHED_AUTOPREF_QUEUE_DEPTH param.
From-SVN: r229412
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Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_exponent): Delete.
(fold_builtin_2): Handle constant expN arguments here.
* match.pd: Fold expN(logN(x)) -> x.
From-SVN: r229410
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Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_powi): Delete.
(fold_builtin_2): Handle constant powi arguments here.
* match.pd: Add rules previously handled by fold_builtin_powi.
gcc/testsuite/
* gcc.dg/builtins-52.c: Add -O to dg-options.
From-SVN: r229409
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Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_pow): Delete in favor of...
(fold_const_builtin_pow): ...this new function. Only handle constant
arguments.
(fold_builtin_2): Update accordingly.
* match.pd: Add rules previously handled by fold_builtin_pow.
gcc/testsuite/
* gcc.dg/torture/builtin-math-1.c: Skip at -O0.
From-SVN: r229408
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Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* builtins.c (fold_builtin_hypot): Delete.
(fold_builtin_2): Handle constant hypot arguments here.
* match.pd: Fold hypot(x, 0) and hypot(0, x) to x. Canonicalize
hypot(x, x) to fabs(x)*sqrt(2).
From-SVN: r229407
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An upcoming patch adds a fold from hypot(x,x) to fabs(x)*sqrt(2).
This is unusual in that it could trigger in the gimplifier but would
require new SSA names to be created. This patch makes sure that we
use the usual:
if (gimple_in_ssa_p (cfun))
res = make_ssa_name (type);
else
res = create_tmp_reg (type);
formula to cope with cases where we're not yet in SSA form.
Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* gimple-match-head.c (maybe_push_res_to_seq): Use create_tmp_reg
instead of make_ssa_name if not yet in SSA form.
From-SVN: r229406
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2015-10-27 Richard Biener <rguenther@suse.de>
* cfg.c (free_edge): Add function argument and use it instead of cfun.
(clear_edges): Likewise.
* cfg.h (clear_edges): Adjust prototype.
* cfgexpand.c (pass_expand::execute): Adjust.
* cfgloop.c (release_recorded_exits): Add function argument and use
it instead of cfun.
* cfgloop.h (release_recorded_exits): Adjust prototype.
(loops_state_satisfies_p): Add overload with function argument.
(loops_state_set): Likewise.
(loops_state_clear): Likewise.
(struct loop_iterator): Add function argument to constructor
and iterator and use it instead of cfun.
(FOR_EACH_LOOP_FN): New macro.
(loop_optimizer_finalize): Add overload with function argument.
* loop-init.c (loop_optimizer_init): Adjust.
(fix_loop_structure): Likewise.
(loop_optimizer_finaliz): Add function argument and use it
instead of cfun.
* tree-cfg.c (delete_tree_cfg_annotations): Likewise.
* tree-cfg.h (delete_tree_cfg_annotations): Adjust prototype.
* cgraph.c (release_function_body): Do not push/pop cfun.
* final.c (rest_of_clean_state): Adjust.
* graphite.c (graphite_finalize): Likewise.
* tree-ssa-copy.c (fini_copy_prop): Likewise.
* tree-ssa-dce.c (perform_tree_ssa_dce): Likewise.
* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
(tree_unroll_loops_completely): Likewise.
(pass_complete_unrolli::execute): Likewise.
* tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates):
Add function argument and use it instead of cfun.
* tree-ssa-loop-niter.h (free_numbers_of_iterations_estimates):
Adjust prototype.
* tree-ssa-loop.c (tree_ssa_loop_done): Adjust.
* tree-ssa.c (delete_tree_ssa): Add function argument and use it
instead of cfun.
* tree-ssa.h (delete_tree_ssa): Adjust prototype.
* tree-ssanames.c (fini_ssanames): Add function argument and use it
instead of cfun.
* tree-ssanames.c (fini_ssanames): Adjust prototype.
* tree-vrp.c (execute_vrp): Adjust.
* value-prof.c (free_histograms): Add function argument and use it
instead of cfun.
* value-prof.h (free_histograms): Adjust prototype.
From-SVN: r229405
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gcc/c-family/
PR c/64765
PR c/64880
* c-common.h (c_oacc_split_loop_clauses): Declare function.
* c-omp.c (c_oacc_split_loop_clauses): New function.
gcc/c/
PR c/64765
PR c/64880
* c-parser.c (c_parser_oacc_loop): Add mask, cclauses formal
parameters, and handle these. Adjust all users.
(c_parser_oacc_kernels, c_parser_oacc_parallel): Merge functions
into...
(c_parser_oacc_kernels_parallel): ... this new function. Adjust
all users.
* c-tree.h (c_finish_oacc_parallel, c_finish_oacc_kernels): Don't
declare functions.
(c_finish_omp_construct): Declare function.
* c-typeck.c (c_finish_oacc_parallel, c_finish_oacc_kernels):
Merge functions into...
(c_finish_omp_construct): ... this new function.
gcc/cp/
PR c/64765
PR c/64880
* cp-tree.h (finish_oacc_kernels, finish_oacc_parallel): Don't
declare functions.
(finish_omp_construct): Declare function.
* parser.c (cp_parser_oacc_loop): Add p_name, mask, cclauses
formal parameters, and handle these. Adjust all users.
(cp_parser_oacc_kernels, cp_parser_oacc_parallel): Merge functions
into...
(cp_parser_oacc_kernels_parallel): ... this new function. Adjust
all users.
* semantics.c (finish_oacc_kernels, finish_oacc_parallel): Merge functions into...
(finish_omp_construct): ... this new function.
gcc/
* tree.h (OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES)
(OACC_KERNELS_BODY, OACC_KERNELS_CLAUSES, OACC_KERNELS_COMBINED)
(OACC_PARALLEL_COMBINED): Don't define macros. Adjust all users.
gcc/testsuite/
PR c/64765
PR c/64880
* c-c++-common/goacc/loop-1.c: Don't skip for C++. Don't prune
sorry message.
(PR64765): New function.
* gfortran.dg/goacc/coarray_2.f90: XFAIL.
* gfortran.dg/goacc/combined_loop.f90: Extend. Don't prune
sorry message.
* gfortran.dg/goacc/cray.f95: Refine prune directive.
* gfortran.dg/goacc/parameter.f95: Likewise.
libgomp/
* testsuite/libgomp.oacc-c-c++-common/combdir-1.c: New file.
* testsuite/libgomp.oacc-fortran/combdir-1.f90: Likewise.
From-SVN: r229404
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2015-10-27 Tom de Vries <tom@codesourcery.com>
* tree-ssa-structalias.c (push_fields_onto_fieldstack): Add and use var
field_type.
From-SVN: r229403
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* loop-invariant.c (struct def): New field can_prop_to_addr_uses.
(inv_can_prop_to_addr_use): New function.
(record_use): Call can_prop_to_addr_uses, set the new field.
(get_inv_cost): Count cost if inv can't be propagated into its
address uses.
From-SVN: r229402
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From-SVN: r229399
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DR 2179
* pt.c (process_partial_specialization): Handle error_mark_node
from most_specialized_partial_spec.
From-SVN: r229395
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From-SVN: r229392
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in type)
2015-10-26 Louis Krupp <louis.krupp@zoho.com>
PR fortran/66056
* fortran.h: Include namespace pointer in statement label
structure.
* symbol.c (gfc_get_st_label): Store pointer to namespace
that owns the statement label tree in each label.
(gfc_free_st_label): Use namespace owning statement label
tree when deleting statement label.
* io.c: Initialize format_asterisk with NULL namespace pointer.
2015-10-26 Louis Krupp <louis.krupp@zoho.com>
PR fortran/66056
* gfortran.dg/empty_label_typedecl.f90: New test
From-SVN: r229390
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2015-10-26 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/36192
* array.c (gfc_ref_dimen_size): Check for BT_INTEGER before calling
mpz_set.
2015-10-26 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/36192
* gfortran.dg/pr36192.f90: New test.
From-SVN: r229387
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* match.pd (fold_widened_comparison): Apply simplifications to all
integral types.
From-SVN: r229384
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gcc/
* target.def (TARGET_NO_SPECULATION_IN_DELAY_SLOTS_P): New hook.
* doc/tm.texi.in (TARGET_NO_SPECULATION_IN_DELAY_SLOTS_P): Document.
* doc/tm.texi: Regenerated.
* reorg.c (dbr_schedule): Use new hook.
* config/mips/mips.c (mips_no_speculation_in_delay_slots_p): New.
testsuite/
* gcc.target/mips/ds-schedule-1.c: New.
* gcc.target/mips/ds-schedule-2.c: New.
From-SVN: r229383
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2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* sem_prag.adb (Add_Item_To_Name_Buffer): Update the comment on usage.
Add an output string for loop parameters.
(Analyze_Global_Items): Loop parameters are now a
valid global item. The share the legality checks of constants.
(Analyze_Input_Output): Loop parameters are now a valid dependency item.
(Find_Role): Loop parameters share the role of constants.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_res.adb (Resolve_Generalized_Indexing): In ASIS mode,
preserve the Generalized_ indexing link if the context is not
a spec expression that will be analyzed anew.
2015-10-26 Javier Miranda <miranda@adacore.com>
* exp_ch6.ads, exp_ch6.adb (Build_Procedure_Body_Form): Promote it to
library level (to invoke this routine from the semantic analyzer).
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): When generating
C code, invoke Build_Procedure_Body_Form to transform a function
that returns a constrained array type into a procedure with an
out parameter that carries the return value.
2015-10-26 Arnaud Charlet <charlet@adacore.com>
* a-reatim.ads: Add "Clock_Time with Synchronous" contract in package
Ada.Real_Time.
* a-taside.ads: Add "Tasking_State with Synchronous" contract in
package Ada.Task_Identification.
* sem_ch12.adb: minor typo in comment
From-SVN: r229377
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both constants and objects.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* contracts.adb (Analyze_Object_Contract): Set and restore
the SPARK_Mode for both constants and objects. Factor out the
semantic checks concerning Ghost objects.
* freeze.adb (Freeze_Array_Type): A Ghost array type cannot have a
concurrent component type.
(Freeze_Entity): A Ghost type cannot also be concurrent.
(Freeze_Record_Type): A Ghost record type cannot have a concurrent
component.
* sem_prag.adb (Analyze_Abstract_State): A Ghost abstract
state cannot also be synchronized.
(Check_Ghost_Synchronous): New routine.
* sem_util.adb (Yields_Synchronized_Object): Correct the case
of record components to account for the case where the type has
no component list.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* expander.adb (Expand): Expand a single protected declaration.
* exp_ch9.ads, exp_ch9.adb (Expand_N_Single_Protected_Declaration): New
routine.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* sem_res.adb (Is_OK_Volatile_Context): A volatile object may appear
in an object declaration as long as it denotes the name.
From-SVN: r229376
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is in VISITED_BBs
PR tree-optimization/68013
* tree-ssa-threadbackward.c
(fsm_find_control_statement_thread_paths): Make sure the first block
in the path is in VISITED_BBs.
PR tree-optimization/68013
* gcc.c-torture/compile/pr68013.c: New test.
From-SVN: r229375
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2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch9.adb (Analyze_Single_Protected_Declaration): The anonymous
object no longer comes from source.
(Analyze_Single_Task_Declaration): The anonymous object no longer
comes from source.
* sem_prag.adb (Analyze_Pragma): The analysis of pragma SPARK_Mode
now recognizes the internal anonymous object created for a single
concurren type as a valid context.
(Find_Related_Context): The internal anonymous object created for a
single concurrent type is now a valid context.
(Find_Related_Declaration_Or_Body): The internal anonymous object
created for a single concurrent type is now a valid context.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Inherit_Rep_Item_Chain): Another another guard
to prevent circularities in the rep_item_chain of the full view
of a type extension in a child unit that extends a private type
from the parent.
From-SVN: r229374
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2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* atree.ads, atree.adb (Ekind_In): New 10 and 11 parameter versions.
* contracts.ads, contracts.adb (Analyze_Initial_Declaration_Contract):
New routine.
* sem_ch6.adb (Analyze_Generic_Subprogram_Body):
Analyze the contract of the initial declaration.
(Analyze_Subprogram_Body_Helper): Analyze the contract of the
initial declaration.
* sem_ch7.adb (Analyze_Package_Body_Helper): Analyze the contract
of the initial declaration.
* sem_ch9.adb (Analyze_Entry_Body): Analyze the contract of
the initial declaration.
(Analyze_Protected_Body): Analyze
the contract of the initial declaration.
(Analyze_Task_Body): Analyze the contract of the initial declaration.
* sem_prag.adb (Add_Entity_To_Name_Buffer): Use "type" rather
than "unit" as it makes the error messages sound better.
(Add_Item_To_Name_Buffer): Update comment on usage. The routine
now supports discriminants and current instances of concurrent
types.
(Analyze_Depends_In_Decl_Part): Install the discriminants
of a task type.
(Analyze_Global_In_Decl_Part): Install the discriminants of a task type.
(Analyze_Global_Item): Add processing for current instances of
concurrent types and include discriminants as valid global items.
(Analyze_Input_Output): Discriminants and current instances of
concurrent types are now valid items. Update various error messages.
(Check_Usage): Current instances of protected and task types behaves
as formal parameters.
(Collect_Subprogram_Inputs_Outputs): There is
no longer need to manually analyze [Refined_]Global thanks to
freezing of initial declaration contracts. Add processing for
the current instance of a concurrent type.
(Find_Role): Add categorizations for discriminants, protected and task
types.
(Is_CCT_Instance): New routine.
(Match_Items): Update the comment on usage. Update internal comments.
* sem_prag.ads (Collect_Subprogram_Inputs_Outputs): Update the
comment on usage.
* sem_util.adb (Entity_Of): Ensure that the entity is an object
when traversing a potential renaming chain.
(Fix_Msg): Use "type" rather than "unit" as it makes the error messages
sound better.
* sem_util.ads (Fix_Msg): Update the comment on usage.
2015-10-26 Arnaud Charlet <charlet@adacore.com>
* par.adb (Par): Do not generate an error when generating
SCIL for predefined units or new children of system and co.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* einfo.adb: Access_Disp_Table applies to a private
extension.
From-SVN: r229373
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2015-10-26 Richard Biener <rguenther@suse.de>
Dominik Vogt <vogt@linux.vnet.ibm.com>
PR middle-end/67443
* alias.c (ao_ref_from_mem): Remove promoted subreg handling.
Properly prune ref->ref for accesses outside of ref.
* gcc.target/s390/pr67443.c: New testcase.
Co-Authored-By: Dominik Vogt <vogt@linux.vnet.ibm.com>
From-SVN: r229372
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An upcoming patch adds a match.pd rule that folds pow(pow(x,y),z)
to pow(x,y*z). This fold can reuse the existing pow gimple statement
and simply replace the operands with x and y*z. However, the y*z
itself requires a separate gimple statement and the code wasn't
prepared to handle that.
Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.
gcc/
* gimple-fold.c (replace_stmt_with_simplification): Don't allow
new statements to be inserted if inplace. Allow calls to have
nonempty sequences.
From-SVN: r229371
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While going through some history, I noticed that I'd committed one
of Alan's changes with my email address rather than his. Sorry for
the screw-up.
From-SVN: r229366
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2015-10-26 Richard Biener <rguenther@suse.de>
* tree-object-size.c: Remove builtins.h include, include tree-cfg.h.
(do_valueize): New function.
(pass_object_sizes::execute): Use gimple_fold_stmt_to_constant and
replace_uses_by.
* tree-ssa-threadedge.c: Remove builtins.h include, include
gimple-fold.h
(fold_assignment_stmt): Remove.
(threadedge_valueize): New function.
(record_temporary_equivalences_from_stmts): Use
gimple_fold_stmt_to_constant_1, note additional cleanup
opportunities.
From-SVN: r229364
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2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_res.adb (Resolve_Generalized_Indexing): In ASIS mode, when
restoring original node, remove Generalized_Indexing operation
so that it is recreated during re- analysis.
2015-10-26 Javier Miranda <miranda@adacore.com>
* exp_unst.adb: (Unnest_Subprogram):
Replace absolute references to 1 and 0 by their counterpart
relative references through Subps_First.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* par-ch3.adb (P_Declarative_Items): In case of misplaced
aspect specifications, ensure that flag Done is properly set to
continue parse.
* sem_prag.adb, sem_prag.ads: Remove Build_Generic_Class_Condition,
unused.
From-SVN: r229362
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2015-10-26 Emmanuel Briot <briot@adacore.com>
* s-os_lib.adb (Argument_String_To_List): Remove backslashes in
argument value.
2015-10-26 Javier Miranda <miranda@adacore.com>
* exp_unst.ads, exp_unst.adb (Is_Uplevel_Referenced): Removed.
From-SVN: r229361
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2015-10-26 Richard Biener <rguenther@suse.de>
* match.pd ((A & ~B) - (A & B) -> (A ^ B) - B): Add missing :c.
( (X & ~Y) | (~X & Y) -> X ^ Y): Remove redundant :c.
From-SVN: r229360
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2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* exp_util.adb, sem_aux.adb, exp_attr.adb, sem_eval.adb: Minor
reformatting.
* sem_util.adb, sem_ch5.adb: Minor reformatting.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* exp_unst.adb (Unnest_Subprogram): Add guard to prevent compiler
abort when handling a reference to a formal in an aspect of a
nested subprogram declaration as an uplevel reference.
From-SVN: r229359
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2015-10-26 Bob Duff <duff@adacore.com>
* snames.ads-tmpl, aspects.adb, aspects.ads: Add the aspect and
pragma names and enter into relevant tables.
* sem_ch13.adb (Analyze_Aspect_Specifications): Analyze aspect
Predicate_Failure.
* sem_prag.adb (Predicate_Failure): Analyze pragma Predicate_Failure.
* exp_util.adb (Make_Predicate_Check): When building the Check
pragma, if Predicate_Failure has been specified, add the relevant
String argument to the pragma.
* par-prag.adb (Prag): Add Predicate_Failure to list of pragmas
handled during semantic analysis.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb (Analyze_Assignment): If the left-hand side
is an indexed component with generalized indexing, discard
interpretation that yields a reference type, which is not
assignable. This prevent spurious ambiguities when the right-hand
side is an aggregate which does not provide a target type.
From-SVN: r229358
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2015-10-26 Bob Duff <duff@adacore.com>
* exp_ch7.adb, exp_ch6.adb: Minor comment fix.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* aspects.adb (Move_Or_Merge_Aspects): Move all aspects related
to a single concurrent type declaration to the declaration
of the anonymous object if they qualify.
(Relocate_Aspect): Update comment on usage.
* aspects.ads Add new sectioon on aspect specifications on single
concurrent types. Add new table Aspect_On_Anonymous_Object_OK.
(Move_Or_Merge_Aspects): Udate the comment on usage.
* atree.adb (Elist36): New routine.
(Set_Elist36): New routine.
* atree.ads (Elist36): New routine along with pragma Inline.
(Set_Elist36): New routine along with pragma Inline.
* atree.h: Elist36 is now an alias for Field36.
* contracts.adb (Add_Contract_Item): Add processing
for protected units and extra processing for variables.
(Analyze_Object_Contract): Code cleanup. The processing of
Part_Of now depends on wherer the object is a constant or
a variable. Add processing for pragmas Depends and Global
when they apply to a single concurrent object. Verify that a
variable which is part of a single concurrent type has full
default initialization. Set/restore the SPARK_Mode of a single
concurrent object.
(Analyze_Protected_Contract): New routine.
* contracts.ads (Add_Contract_Item): Update the comment on usage.
(Analyze_Object_Contract): Update the comment on usage.
(Analyze_Protected_Contract): New routine.
(Analyze_Task_Contract): Update the comment on usage.
* einfo.adb Part_Of_Constituents now uses Elist10.
(Anonymous_Object): New routine.
(Contract): Code cleanup.
(Has_Option): Remove the assumption that the only simple
option is External.
(Is_Synchronized_State): New routine.
(Part_Of_Constituents): This attribute applies to
variables and uses Elist10.
(Set_Anonymous_Object): New routine.
(Set_Contract): Code cleanup.
(Set_Part_Of_Constituents): This attribute applies to variables and
uses Elist10.
(Set_SPARK_Aux_Pragma): Code cleanup.
(Set_SPARK_Aux_Pragma_Inherited): Code cleanup.
(Set_SPARK_Pragma): Code cleanup. This attribute applies to
variables.
(Set_SPARK_Pragma_Inherited): Code cleanup. This
attribute applies to variables.
(SPARK_Aux_Pragma): Code cleanup.
(SPARK_Aux_Pragma_Inherited): Code cleanup.
(SPARK_Pragma): Code cleanup. This attribute applies to variables.
(SPARK_Pragma_Inherited): Code cleanup. This attribute applies
to variables.
(Write_Field9_Name): Remove the output for Part_Of_Constituents.
(Write_Field10_Name): Add output for Part_Of_Constituents.
(Write_Field30_Name): Add output for Anonymous_Object.
(Write_Field34_Name): Output SPARK_Pragma
for protected types and variables.
* einfo.ads: New attributes Anonymous_Object and
Is_Synchronized_State along with usage in entities. Update
the documentation of attributes Contract Encapsulating_State
Part_Of_Constituents SPARK_Aux_Pragma SPARK_Aux_Pragma_Inherited
SPARK_Pragma SPARK_Pragma_Inherited (Anonymous_Object): New
routine along with pragma Inline.
(Is_Synchronized_State): New routine.
(Set_Anonymous_Object): New routine along with pragma Inline.
* freeze.adb (Freeze_Record_Type): Ensure that a non-synchronized
record does not have synchronized components.
* sem_ch3.adb (Analyze_Declarations): Code cleanup. Analyze the
contract of protected units.
* sem_ch9.adb Add with and use clauses for Sem_Prag. Code cleanup.
(Analyze_Single_Protected_Declaration): Reimplemented.
(Analyze_Single_Task_Declaration): Reimplemented.
* sem_ch13.adb (Analyze_Aspect_Specifications): Aspect Part_Of
can now apply to a single concurrent type declaration. Rely on
Insert_Pragma to place the pragma. Update the error message on
usage to reflect the new context.
(Insert_Pragma): When inserting
pragmas for a protected or task type, create a definition if
the type lacks one.
* sem_elab.adb (Check_A_Call): Code cleanup. Issue error message
related to elaboration issues for SPARK when SPARK_Mode is "on"
and the offending entity comes from source.
* sem_prag.adb (Analyze_Abstract_State): Add new flag
Synchronous_Seen. Update the analysis of simple options Externa,
Ghost and Synchronous. Update various error messages to reflect
the use of single concurrent types.
(Analyze_Depends_Global): Pragmas Depends and Global can now apply to
a single task type or a single concurrent object created for a task
type.
(Analyze_Depends_In_Decl_Part): Do not push a scope when the
context is a single concurrent object. (Analyze_Part_Of):
Moved out of Analyze_Pragma. The routine has a new profile
and comment on usage.
(Analyze_Part_Of_In_Decl_Part): New routine.
(Analyze_Part_Of_Option): Update the call to Analyze_Part_Of.
(Analyze_Pragma): Pragma Abstract_State can
now carry simple option Synchronous. Pragma Part_Of can now
apply to a single concurrent type declaration. The analysis
of pragma Part_Of is delayed when the context is a single
concurrent object.
(Analyze_Refined_Depends_In_Decl_Part): Use the anonymous object when
the context is a single concurren type.
(Analyze_Refined_Global_In_Decl_Part): Use the
anonymous object when the context is a single concurren type.
(Check_Ghost_Constituent): Removed.
(Check_Matching_Constituent): Renamed to Match_Constituent.
(Check_Matching_State): Renamed to Match_State.
(Collect_Constituent): Update the comment
on usage. Verify various legality rules related to ghost and
synchronized entities.
(Find_Related_Declaration_Or_Body): A single task declaration is no
longer a valid context for a pragma.
(Fix_Msg): Moved to Sem_Util.
(Process_Overloadable): Add processing for single task objects.
(Process_Visible_Part): Add processing for single concurrent
types.
(Relocate_Pragmas_To_Anonymous_Object): New routine.
* sem_prag.ads Add new table Pragma_On_Anonymous_Object_OK.
(Analyze_Part_Of_In_Decl_Part): New routine.
(Relocate_Pragmas_To_Anonymous_Object): New routine.
* sem_util.adb (Defining_Entity): Code cleanup.
(Fix_Msg): Moved from Sem_Prag and augmented to handle
mode replacements.
(Has_Full_Default_Initialization): New routine.
(Is_Descendant_Of_Suspension_Object): Moved out of
Is_Effectively_Volatile.
(Is_Single_Concurrent_Object): New routine.
(Is_Single_Concurrent_Type): New routine.
(Is_Single_Concurrent_Type_Declaration): New routine.
(Is_Synchronized_Object): New routine.
(Yields_Synchronized_Object): New routine.
* sem_util.ads (Fix_Msg): Moved form Sem_Prag. Update the
comment on usage.
(Has_Full_Default_Initialization): New routine.
(Is_Single_Concurrent_Object): New routine.
(Is_Single_Concurrent_Type): New routine.
(Is_Single_Concurrent_Type_Declaration): New routine.
(Is_Synchronized_Object): New routine.
(Yields_Synchronized_Object): New routine.
* snames.ads-tmpl: Add name Synchronous.
From-SVN: r229357
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VX_USR_TASK_OPTION bug in VxWorks 7...
2015-10-26 Jerome Lambourg <lambourg@adacore.com>
* sysdep.c (__gnat_get_task_options): Refine the workaround for
the VX_USR_TASK_OPTION bug in VxWorks 7, as we cannot check the
value of VX_DEALLOC_TCB in RTP mode, the macro value not being
defined in the headers.
* g-arrspl.ads: Fix typo.
From-SVN: r229356
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2015-10-26 Jerome Lambourg <lambourg@adacore.com>
* sysdep.c (__gnat_get_task_options): Workaround a VxWorks
bug where VX_DEALLOC_TCB task option is forbidden when calling
taskCreate but allowed in VX_USR_TASK_OPTIONS.
2015-10-26 Javier Miranda <miranda@adacore.com>
* exp_unst.ads, exp_unst.adb (Is_Uplevel_Referenced): New subprogram.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Constant_Indexing_OK): New predicate, subsidiary
of Try_Container_Indexing, that implements the name resolution
rules given in RM 4.1.6 (13-15).
From-SVN: r229355
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