This allows a target which implements the __sync interfaces
in libgcc to continue to use them transparently with the
new __atomic builtins.
It is assumed that these libgcc routines DO NOT use spinlocks.
This is true of all extant libgcc instances.
* optabs.h (OTI_sync_compare_and_swap, OTI_sync_lock_test_and_set,
OTI_sync_old_add, OTI_sync_old_sub, OTI_sync_old_ior,
OTI_sync_old_and, OTI_sync_old_xor, OTI_sync_old_nand,
OTI_sync_new_add, OTI_sync_new_sub, OTI_sync_new_ior,
OTI_sync_new_and, OTI_sync_new_xor, OTI_sync_new_nand): Move and
rename from the direct_optab_index enum.
(sync_compare_and_swap_optab, sync_lock_test_and_set_optab,
sync_old_add_optab, sync_old_sub_optab, sync_old_ior_optab,
sync_old_and_optab, sync_old_xor_optab, sync_old_nand_optab,
sync_new_add_optab, sync_new_sub_optab, sync_new_ior_optab,
sync_new_and_optab, sync_new_xor_optab, sync_new_nand_optab): Read
from the optab_table, not the direct_optab_table.
(init_sync_libfuncs): Declare.
(can_compare_and_swap_p): Update parameters.
* optabs.c (init_sync_libfuncs_1, init_sync_libfuncs): New.
(can_compare_and_swap_p): Add allow_libcall parameter; if true,
test for the legacy compare-and-swap libcall.
(expand_atomic_exchange): Use the legacy test-and-set libcall.
(expand_atomic_compare_and_swap): Use the legacy CAS libcall.
(struct atomic_op_functions): Update for optab type changes.
(maybe_emit_op): Likewise.
(expand_atomic_fetch_op): Use the legacy fetch-op libcalls.
* builtins.c (fold_builtin_atomic_always_lock_free): Update call
to can_compare_and_swap_p.
* omp-low.c (expand_omp_atomic_fetch_op): Likewise.
(expand_omp_atomic_pipeline): Likewise.
* genopinit.c (optabs): Make sync_old_*_optab, sync_new_*_optab,
sync_compare_and_swap_optab, sync_lock_test_and_set_optab regular
optabs.
From-SVN: r181134
2011-11-07 Paolo Carlini <paolo.carlini@oracle.com>
* pt.c (tsubst_copy_and_build): Fix qualified_name_lookup_error
call in case COMPONENT_REF.
From-SVN: r181124
gcc/cp/
* cp-tree.h (TYPE_DECL_ALIAS_P, TYPE_ALIAS_P)
(DECL_TYPE_TEMPLATE_P, DECL_ALIAS_TEMPLATE_P): New accessor
macros.
(TYPE_TEMPLATE_INFO): Get template info of an alias template
specializations from its TYPE_DECL.
(SET_TYPE_TEMPLATE_INFO): Set template info of alias template
specializations into its TYPE_DECL.
(DECL_CLASS_TEMPLATE_P): Re-write using the new
DECL_TYPE_TEMPLATE_P.
(enum cp_decl_spec): Add new ds_alias enumerator.
(alias_type_or_template_p, alias_template_specialization_p):
Declare new functions.
* parser.c (cp_parser_alias_declaration): New static function.
(cp_parser_check_decl_spec): Add "using" name for the `alias'
declspec.
(cp_parser_type_name): Update comment. Support simple-template-id
representing alias template specializations in c++0x mode.
(cp_parser_qualifying_entity): Update comment. Use
cp_parser_type_name.
(cp_parser_block_declaration): Handle alias-declaration in c++11.
Update comment.
(cp_parser_template_id): Handle specializations of alias
templates.
(cp_parser_member_declaration): Add alias-declaration production
to comment. Support alias-declarations.
(cp_parser_template_declaration_after_export): Handle alias
templates in c++11.
* decl.c (make_typename_type, make_unbound_class_template): Accept
alias templates.
(grokdeclarator): Set TYPE_DECL_ALIAS_P on alias
declarations.
* decl2.c (grokfield): Move template creation after setting up the
TYPE_DECL of the alias, so that the TEMPLATE_DECL of the alias
template actually carries the right type-id of the alias
declaration.
* pt.c (alias_type_or_template_p)
(alias_template_specialization_p): Define new public functions.
(maybe_process_partial_specialization): Reject partial
specializations of alias templates.
(primary_template_instantiation_p): Consider alias template
instantiations.
(push_template_decl_real): Assert that TYPE_DECLs of alias
templates are different from those of class template. Store
template info onto the TYPE_DECL of the alias template.
(convert_template_argument): Strip aliases from template
arguments.
(lookup_template_class_1): Handle the creation of the
specialization of an alias template.
(tsubst_decl): Create a substituted copy of the TYPE_DECL of an
member alias template.
(tsubst): Handle substituting into the type of an alias template.
Handle substituting UNBOUND_CLASS_TEMPLATE into
BOUND_TEMPLATE_TEMPLATE_PARM.
(do_type_instantiation): Better diagnostics when trying to
explicitely instantiate a non-class template.
* search.c (lookup_field_1, lookup_field_r): Support looking up
alias templates.
* semantics.c (finish_template_type): For instantiations of alias
templates, return the TYPE_DECL of the actual alias and not the
one of the aliased type.
* error.c (dump_alias_template_specialization): New static
function.
(dump_type): Handle printing of alias templates and their
specializations. templates.
(dump_aggr_type): For specialization of alias templates, fetch
arguments from the right place.
(dump_decl): Print an alias-declaration like `using decl = type;'
(dump_template_decl): Support printing of alias templates.
gcc/testsuite/
* g++.dg/cpp0x/alias-decl-0.C: New test case.
* g++.dg/cpp0x/alias-decl-1.C: Likewise.
* g++.dg/cpp0x/alias-decl-3.C: Likewise.
* g++.dg/cpp0x/alias-decl-4.C: Likewise.
* g++.dg/cpp0x/alias-decl-6.C: Likewise.
* g++.dg/cpp0x/alias-decl-7.C: Likewise.
* g++.dg/cpp0x/alias-decl-8.C: Likewise.
* g++.dg/cpp0x/alias-decl-9.C: Likewise.
* g++.dg/cpp0x/alias-decl-10.C: Likewise.
* g++.dg/ext/alias-decl-attr1.C: Likewise.
* g++.dg/ext/alias-decl-attr2.C: Likewise.
* g++.dg/ext/alias-decl-attr3.C: Likewise.
* g++.dg/ext/alias-decl-attr4.C: Likewise.
From-SVN: r181118
2011-11-07 Andrew MacLeod <amacleod@redhat.com>
* optabs.c (get_atomic_op_for_code): Fill in optab table at runtime so
SWITCHABLE_TARGET can change the valuies during compilation.
(expand_atomic_fetch_op): handle parameter changes ripples for
get_atomic_op_for_code call.
From-SVN: r181112
2011-11-07 Andrew MacLeod <amacleod@redhat.com>
libstdc++-v3
* include/bits/atomic_base.h (atomic_thread_fence): Call builtin.
(atomic_signal_fence): Call builtin.
(atomic_flag::test_and_set): Call __atomic_exchange when it is lockfree,
otherwise fall back to call __sync_lock_test_and_set.
(atomic_flag::clear): Call __atomic_store when it is lockfree,
otherwise fall back to call __sync_lock_release.
gcc
* doc/extend.texi: Docuemnt behaviour change for __atomic_exchange and
__atomic_store.
* optabs.c (expand_atomic_exchange): Expand to __sync_lock_test_and_set
only when originated from that builtin.
(expand_atomic_store): Expand to __sync_lock_release when originated
from that builtin.
* builtins.c (expand_builtin_sync_lock_test_and_set): Add flag that
expand_atomic_exchange call originated from here.
(expand_builtin_sync_lock_release): Add flag that expand_atomic_store
call originated from here.
(expand_builtin_atomic_exchange): Add origination flag.
(expand_builtin_atomic_store): Add origination flag.
* expr.h (expand_atomic_exchange, expand_atomic_store): Add boolean
parameters to indicate implementation fall back options.
From-SVN: r181111
* config/avr/avr.c (output_reload_in_const): Can handle CONSTANT_P
now, not only CONST_INT and CONST_DOUBLE.
(output_movqi): Use output_reload_in_const.
(output_reload_inhi): Ditto.
(output_reload_insisf): Move assertion to output_reload_in_const.
(avr_out_reload_inpsi): Ditto.
From-SVN: r181106
libgcc/
* libgcov.c (struct gcov_fn_buffer): New struct.
(buffer_fn_data): New helper.
(gcov_exit): Rework for new gcov data structures.
gcc/
* gcov.c (object_summary): Replace with ...
(object_runs): ... this.
(process_file): Remove functions with no data.
(generate_results): Ignore files with no lines.
(release_function): New helper, broken out of ...
(release_structures): ... here. Use it.
(read_count_file): Adjust for new data file format.
(output_lines): Use object_runs.
* gcov-io.h (GCOV_TAG_OBJECT_SUMMARY): Obsolete.
(struct gcov_ctr_info): Move definition.
(struct gcov_fn_info): Add key field, use gcov_ctr_info for
trailing array.
(struct gcov_info): Add merge function array, remove mask and
counts. Trailing array is array of pointers to function info.
* coverage.c (struct function_list): Replace counter numbers with
counter arrays. Add fndecl field. GTYify.
(counts_entry): Remove chain workspace.
(functions_head): GTYify.
(prg_n_ctrs): Remove.
(fn_v_ctrs): New.
(tree_ctr_tables): Remove.
(read_counts_file): Cope with blank entries and expect program
summaries before functions. Don't warn on missing entries.
(coverage_counter_alloc): Allocate individual function arrays.
(tree_coverage_counter_ref, tree_coverage_counter_addr): Adjust
for individual function arrays.
(coverage_end_function): GTYify function list object. Finalize
function's counter arrays.
(build_var): New. Create a counter-related variable with
appropriate linkage.
(build_fn_info_type): Adjust for new runtime structure.
(build_fn_info_value): Rename to ...
(build_fn_info): ... here. Build new format data.
(build_ctr_info_type, build_ctr_info_value): Remove.
(build_info_type): New. Build new format data structure.
(build_info): Adjust for new format data.
(create_coverage): Likewise.
* gcov-dump.c (tag_function): Recognize placeholders.
gcc/testsuite/
* gcc.dg/profile-dir-1.c: Adjust final scan.
* gcc.dg/profile-dir-2.c: Adjust final scan.
* gcc.dg/profile-dir-3.c: Adjust final scan.
* gcc.misc-tests/gcov.exp: Adjust regexp.
* gcc.misc-tests/gcov-12.c: New.
* gcc.misc-tests/gcov-13.c: New.
* gcc.misc-tests/gcovpart-13b.c: New.
* gcc.misc-tests/gcov-14.c: New.
From-SVN: r181105
* config/avr/constraints.md (Cm2): New constraint for int -2.
* config/avr/avr.md (addqi3): Use it. New alternatives for +/-2.
(*negqihi2): New insn.
From-SVN: r181103
2011-11-07 Olivier Hainque <hainque@adacore.com>
* sigtramp-ppcvxw.c: Add general comments.
(CFI_COMMON_REGS): Remove rule for r1, as in other unwinders. Add
rules for r2 to r13, plus CTR and XER.
(CFA_REG): New, register number used to hold the local CFA.
(CFI_DEF_CFA, SIGTRAMP_BODY): Use it.
Make that 15, not 14, with documentation.
(TCR): Undef before definition, preventing conflict with reg number in
VxWorks headers.
2011-11-07 Robert Dewar <dewar@adacore.com>
* exp_util.ads, exp_alfa.adb, a-cohama.adb, a-cohama.ads, sem_ch4.adb,
aspects.ads, exp_ch8.adb, exp_ch8.ads, atree.ads: Minor reformatting.
* gcc-interface/Make-lang.in: Update dependencies.
2011-11-07 Ed Schonberg <schonberg@adacore.com>
* exp_ch6.adb: A tagged type is a legal actual for an aliased
formal.
2011-11-07 Pascal Obry <obry@adacore.com>
* g-socket.adb, g-socket.ads: Minor reformatting.
2011-11-07 Robert Dewar <dewar@adacore.com>
* sem_res.adb (Resolve_Actuals): Minor error message improvement.
2011-11-07 Robert Dewar <dewar@adacore.com>
* gnat_ugn.texi: Add discussion of default mode handling of
source representation with no -gnatW option given, in particular
noting that NEL (next line) is not recognized in this context.
From-SVN: r181094
2011-11-07 Yannick Moy <moy@adacore.com>
* sem_util.adb (Note_Possible_Modification): In Alfa mode,
generate a reference for a modification even when the modification
does not come from source.
2011-11-07 Ed Schonberg <schonberg@adacore.com>
* exp_ch5.adb (Expand_Iterator_Loop): For the "of" iterator form,
use the indexing attributes rather than the Element function,
to obtain variable references.
* sem_ch4.adb (Try_Container_Indexing): Code cleanup. Use
Find_Aspect rather than iterating over representation
items. Improve error message.
* a-cohama.adb, a-cohama.ads Update to latest RM, with two versions
of Reference functions.
From-SVN: r181093
2011-11-07 Yannick Moy <moy@adacore.com>
* sem_util.adb (Unique_Entity): For a parameter on a subprogram
body that has a corresponding parameter on the subprogram
declaration, define the unique entity as being the declaration
one.
2011-11-07 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Analyze_Return_Type): In Ada 2012 mode, if the
return type of a function is the class-wide type of an incomplete
type T, T can be a Taft-amendment type and does not have to be
completed in the current private part.
2011-11-07 Ed Schonberg <schonberg@adacore.com>
* aspects.ads (Inherited_Aspect): Map that indicates type aspects
that are inherited by default, and apply to the class-wide type
as well.
* aspects.adb (Find_Aspect): If the entity is class-wide and the
aspect is inherited, use the aspect of the specific type.
From-SVN: r181092
2011-11-07 Hristian Kirtchev <kirtchev@adacore.com>
* exp_alfa.adb: Remove with and use clause for
Exp_Ch8. Add with and use clause for Exp_Util.
Remove local constant Disable_Processing_Of_Renamings.
(Expand_Alfa_N_Object_Renaming_Declaration): The expansion of
object renamings has been reenabled.
(Expand_Possible_Renaming):
The expansion of identifier and expanded names has been
reenabled. Perform the substitutions only for entities that
denote an object.
* exp_ch8.ads, exp_ch8.adb (Evaluate_Name): Moved to Exp_Util.
* exp_util.adb (Evaluate_Name): Moved from Exp_Ch8.
(Remove_Side_Effects): Alphabetize local variables. Add a guard
to avoid the infinite expansion of an expression in Alfa mode. Add
processing for function calls in Alfa mode.
* exp_util.ads (Evaliate_Name): Moved from Exp_Ch8.
2011-11-07 Ed Schonberg <schonberg@adacore.com>
* freeze.adb (Freeze_Entity): If the entity is an access to
subprogram whose designated type is itself a subprogram type,
its own return type must be decorated with size information.
From-SVN: r181091
* config/i386/i386.c (ix86_expand_builtin): If gather mask
argument is known to have all high bits set, pass pc_rtx as
second argument to the expander instead of op0.
* config/i386/sse.md (*avx2_gathersi<mode>_2,
*avx2_gatherdi<mode>_2): New patterns.
* config/i386/avx2intrin.h (_mm256_i32gather_pd,
_mm256_i64gather_pd, _mm256_i32gather_ps): Set mask using
_mm256_cmp_pd with zero vector arguments and _CMP_EQ_OQ instead of
_mm256_set1_pd.
From-SVN: r181090
PR tree-optimization/50789
* tree-vect-stmts.c (process_use): Add force argument, avoid
exist_non_indexing_operands_for_use_p check if true.
(vect_mark_stmts_to_be_vectorized): Adjust callers. Handle
STMT_VINFO_GATHER_P.
(gen_perm_mask): New function.
(perm_mask_for_reverse): Use it.
(reverse_vec_element): Rename to...
(permute_vec_elements): ... this. Add Y and MASK_VEC arguments,
generalize for any permutations.
(vectorizable_load): Adjust caller. Handle STMT_VINFO_GATHER_P.
* target.def (TARGET_VECTORIZE_BUILTIN_GATHER): New hook.
* doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_GATHER): Document it.
* doc/tm.texi: Regenerate.
* tree-data-ref.c (initialize_data_dependence_relation,
compute_self_dependence): No longer static.
* tree-data-ref.h (initialize_data_dependence_relation,
compute_self_dependence): New prototypes.
* tree-vect-data-refs.c (vect_check_gather): New function.
(vect_analyze_data_refs): Detect possible gather load data
refs.
* tree-vectorizer.h (struct _stmt_vec_info): Add gather_p field.
(STMT_VINFO_GATHER_P): Define.
(vect_check_gather): New prototype.
* config/i386/i386-builtin-types.def: Add types for alternate
gather builtins.
* config/i386/sse.md (AVXMODE48P_DI): Remove.
(VEC_GATHER_MODE): Rename mode_attr to...
(VEC_GATHER_IDXSI): ... this.
(VEC_GATHER_IDXDI, VEC_GATHER_SRCDI): New mode_attrs.
(avx2_gathersi<mode>, *avx2_gathersi<mode>): Use <VEC_GATHER_IDXSI>
instead of <VEC_GATHER_MODE>.
(avx2_gatherdi<mode>): Use <VEC_GATHER_IDXDI> instead of
<<AVXMODE48P_DI> and <VEC_GATHER_SRCDI> instead of VEC_GATHER_MODE
on src and mask operands.
(*avx2_gatherdi<mode>): Likewise. Use VEC_GATHER_MODE iterator
instead of AVXMODE48P_DI.
(avx2_gatherdi<mode>256, *avx2_gatherdi<mode>256): Removed.
* config/i386/i386.c (enum ix86_builtins): Add
IX86_BUILTIN_GATHERALTSIV4DF, IX86_BUILTIN_GATHERALTDIV8SF,
IX86_BUILTIN_GATHERALTSIV4DI and IX86_BUILTIN_GATHERALTDIV8SI.
(ix86_init_mmx_sse_builtins): Create those builtins.
(ix86_expand_builtin): Handle those builtins and adjust expansions
of other gather builtins.
(ix86_vectorize_builtin_gather): New function.
(TARGET_VECTORIZE_BUILTIN_GATHER): Define.
* gcc.target/i386/avx2-gather-1.c: New test.
* gcc.target/i386/avx2-gather-2.c: New test.
* gcc.target/i386/avx2-gather-3.c: New test.
* gcc.target/i386/avx2-gather-4.c: New test.
From-SVN: r181089
2011-11-07 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsic.texi (MCLOCK, MCLOCK8, TIME, TIME8): Functions clock
and time are part of the C standard library.
From-SVN: r181087
Paolo Carlini
Jonathan Wakely
GCC Administrator
Richard Henderson
Jason Merrill
Francois-Xavier Coudert
Kai Tietz
Paolo Carlini
Jakub Jelinek
Anatoly Sokolov
Andrew MacLeod
Dodji Seketeli
Uros Bizjak
Eric Botcazou
Janus Weil
Georg-Johann Lay
Nathan Sidwell
Jason Merrill
Rainer Orth
H.J. Lu
Arnaud Charlet
Janne Blomqvist
Uros Bizjak
Tristan Gingold
Enkovich Ilya
Sergey Ostanevich