* cselib.h (cselib_add_permanent_equiv): Declare.
(canonical_cselib_val): New.
* cselib.c (new_elt_loc_list): Rework to support value
equivalences. Adjust all callers.
(preserve_only_constants): Retain value equivalences.
(references_value_p): Retain preserved values.
(rtx_equal_for_cselib_1): Handle value equivalences.
(cselib_invalidate_regno): Use canonical value.
(cselib_add_permanent_equiv): New.
* alias.c (find_base_term): Reset locs lists while recursing.
* var-tracking.c (val_bind): New. Don't add equivalences
present in cselib table, compared with code moved from...
(val_store): ... here.
(val_resolve): Use val_bind.
(VAL_EXPR_HAS_REVERSE): Drop.
(add_uses): Do not create MOps for addresses. Do not mark
non-REG non-MEM expressions as requiring resolution.
(reverse_op): Record reverse as a cselib equivalence.
(add_stores): Use it. Do not create MOps for addresses.
Do not require resolution for non-REG non-MEM expressions.
Simplify support for reverse operations.
(compute_bb_dataflow): Drop reverse support.
(emit_notes_in_bb): Likewise.
(create_entry_value): Rename to...
(record_entry_value): ... this. Use cselib equivalences.
(vt_add_function_parameter): Adjust.
From-SVN: r182760
2011-12-31 Thomas König <tkoenig@gcc.gnu.org>
PR fortran/51502
* expr.c (gfc_check_vardef_context): When determining
implicit pure status, also check for variable definition
context. Walk up namespaces until a procedure is
found to reset the implict pure attribute.
* resolve.c (gfc_implicit_pure): Walk up namespaces
until a procedure is found.
2011-12-31 Thomas König <tkoenig@gcc.gnu.org>
PR fortran/51502
* lib/gcc-dg.exp (scan-module-absence): New function.
* gfortran.dg/implicit_pure_2.f90: New test.
From-SVN: r182754
/c-family
2011-12-30 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51316
* c-common.c (c_sizeof_or_alignof_type): In C++ allow for alignof
of array types with an unknown bound.
/testsuite
2011-12-30 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51316
* g++.dg/cpp0x/alignof4.C: New.
From-SVN: r182746
* config/bfin/bfin.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
* config/bfin/bfin-protos.h (bfin_register_move_cost,
bfin_memory_move_cost): Remove.
* config/bfin/bfin.c (bfin_register_move_cost,
bfin_memory_move_cost): Make static. Change arguments type from
enum reg_class to reg_class_t and from int to bool.
(TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
From-SVN: r182745
* gcov.c (total_lines, total_executed): New global vars.
(generate_results): Call executed_summary.
(executed_summary): New function, broken out of ...
(function_summary): ... here. Call it.
* coverage.c (coverage_finish): Also check for local_tick == -1.
* gcov-dump (tag_function): Correct labelling typo.
From-SVN: r182744
* libgcov.c (gcov_crc32): Remove global var.
(free_fn_data): New function.
(buffer_fn_data): Pass in filename, more robust error recovery.
(crc32_unsigned): New function.
(gcov_exit): More robust detection of new program. More robust
error recovery.
(__gcov_init): Do not update program's crc here.
From-SVN: r182743
* doc/xml/manual/extensions.xml: Improve markup and note that some
extensions are included in C++11.
* doc/xml/manual/concurrency_extensions.xml: Likewise.
From-SVN: r182742
2011-12-29 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/hashtable_policy.h (struct _Ebo_helper<>): Don't use
_N, badname on Solaris; minor stylistic changes.
From-SVN: r182734
2011-12-29 François Dumont <fdumont@gcc.gnu.org>
PR libstdc++/51608
* include/bits/hashtable_policy.h (_Equal_helper<>): New, change the
way the _Equal functor is used depending on whether hash code is
cached or not.
(_Ebo_helper<>): New helper type to introduce EBO when possible.
(_Hash_code_base): Use _Ebo_helper to limit memory footprint. Move
_Equal functor management...
(_Hashtable_base): ...here, new, use _Equal_helper.
(_Local_iterator_base<>, _Locale_iterator<>, _Locale_const_iterator<>):
New, use _Hash_code_base, implementation of...
* include/bits/hashtable.h (_Hashtable<>::local_iterator,
_Hashtable<>::const_local_iterator): ...those. Add static assertions
checking that some functors are empty depending on whether hash code
is cache or not.
(_Hashtable<>::_M_bucket_index): New overloads using current bucket
count, use through out the _Hastable<> implementation.
* include/bits/unordered_set.h (__unordered_set<>,
__unordered_multiset<>): Cache hash code iff hash functor is not
empty and not final.
* include/bits/unordered_map.h (__unordered_map<>,
__unordered_multimap<>): Likewise.
* include/debug/unordered_map
(unordered_map<>::_S_to_local, unordered_multimap<>::_S_to_local):
Adapt to match new local iterator implementation.
* include/debug/unordered_set (unordered_set<>::_S_to_local,
unordered_multiset<>::_S_to_local): Likewise.
* include/profile/unordered_map (unordered_map<>::_M_profile_destruct,
unordered_multimap<>::_M_profile_destruct): Enhance thanks to usage of
local iterators.
* include/profile/unordered_set (unordered_set<>::_M_profile_destruct,
unordered_multiset<>::_M_profile_destruct): Likewise.
* testsuite_files/23_containers/unordered_set/instantiation_neg.cc:
Fix error line.
* testsuite_files/23_containers/unordered_set/final_hash.cc: New.
* testsuite_files/23_containers/unordered_multiset/final_hash.cc: New.
* testsuite_files/23_containers/unordered_map/final_hash.cc: New.
* testsuite_files/23_containers/unordered_multimap/final_hash.cc: New.
From-SVN: r182727
2011-12-29 Thomas Koenig <tkoenig@gcc.gnu.org>
* dependency.c (gfc_dep_compare_functions): Document
new behavior for REALs and complex. Add comment to cases
where only INTEGERs are handled. Compare REAL and COMPLEX
constants, returning 0 and -2 only. Add assert to make
sure that only integer constants are compared.
2011-12-29 Thomas Koenig <tkoenig@gcc.gnu.org>
* gfortran.dg/function_optimize_9.f90: New test.
From-SVN: r182720
gcc/testsuite/ChangeLog
2011-12-28 Fabien Chene <fabien@gcc.gnu.org>
PR c++/23211
* g++.dg/template/using18.C: New.
* g++.dg/template/using19.C: New.
* g++.dg/template/nested3.C: Remove dg-message at instantiation.
* g++.dg/template/crash13.C: Likewise.
gcc/cp/ChangeLog
2011-12-28 Fabien Chene <fabien@gcc.gnu.org>
PR c++/23211
* name-lookup.c (do_class_using_decl): Use dependent_scope_p
instead of dependent_type_p, to check that a non-dependent
nested-name-specifier of a class-scope using declaration refers to
a base, even if the current scope is dependent.
* parser.c (cp_parser_using_declaration): Set
USING_DECL_TYPENAME_P to 1 if the DECL is not null. Re-indent a
'else' close to the prior modification.
From-SVN: r182711
PR tree-optimization/51684
* tree-vect-slp.c (vect_schedule_slp_instance): Get gsi of
original statement in case of a pattern.
(vect_schedule_slp): Likewise.
From-SVN: r182705
* go-gcc.cc (Gcc_backend::set_placeholder_struct_type): Use
build_distinct_type_copy rather than build_variant_type_copy.
(Gcc_backend::set_placeholder_array_type): Likewise.
(Gcc_backend::named_type): Add special handling for builtin
basic types.
From-SVN: r182698
