Richard Guenther [Mon, 12 Sep 2011 06:01:15 +0000 (06:01 +0000)]
re PR middle-end/50343 (FAIL: gfortran.dg/graphite/id-22.f)
2011-09-12 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50343
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check
that the reduction is over an SSA name before checking its
definition.
Daniel Krugler [Sun, 11 Sep 2011 22:10:21 +0000 (22:10 +0000)]
re PR libstdc++/50159 ([C++0x] tuple_cat only accepts two arguments)
2011-09-11 Daniel Krugler <daniel.kruegler@googlemail.com>
PR libstdc++/50159
* include/std/tuple (tuple_cat): Reimplement according to the
resolution of LWG 1385.
* include/std/type_traits: Define __and_ and __or_ for zero
arguments too; minor tweaks.
* testsuite/20_util/tuple/creation_functions/tuple_cat.cc: New.
* testsuite/20_util/tuple/creation_functions/constexpr.cc: Disable
for now tuple_cat test.
* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
line numbers.
* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
Likewise.
* doc/xml/manual/status_cxx200x.xml: Update.
Thomas Koenig [Sun, 11 Sep 2011 20:48:26 +0000 (20:48 +0000)]
re PR fortran/50327 (Front-end optimization generates wrong code for BLAS's srotmg)
2011-09-11 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/50327
* frontend-passes.c (dummy_expr_callback): New function.
(convert_do_while): New function.
(optimize_namespace): Call code walker to convert do while loops.
2011-09-11 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/50327
* gfortran.dg/do_while_1.f90: New test.
Janus Weil [Sun, 11 Sep 2011 20:12:24 +0000 (22:12 +0200)]
re PR fortran/35831 ([F95] Shape mismatch check missing for dummy procedure argument)
2011-09-11 Janus Weil <janus@gcc.gnu.org>
PR fortran/35831
PR fortran/47978
* interface.c (check_dummy_characteristics): New function to check the
characteristics of dummy arguments.
(gfc_compare_interfaces,gfc_check_typebound_override): Call it here.
Eric Botcazou [Sun, 11 Sep 2011 19:14:51 +0000 (19:14 +0000)]
utils.c (maybe_unconstrained_array): In the reference to unconstrained array case, deal with each branch of a COND_EXPR.
* gcc-interface/utils.c (maybe_unconstrained_array): In the reference
to unconstrained array case, deal with each branch of a COND_EXPR.
* gcc-interface/utils2.c (build_allocator): Deal with each branch of
a COND_EXPR in the initializer, if present.
Eric Botcazou [Sun, 11 Sep 2011 18:56:40 +0000 (18:56 +0000)]
decl.c (maybe_pad_type): Do not try to change the form of an addressable type.
* gcc-interface/decl.c (maybe_pad_type): Do not try to change the form
of an addressable type.
* gcc-interface/trans.c (gnat_gimplify_expr) <VIEW_CONVERT_EXPR>: New.
Deal with those cases for which creating a temporary is mandatory.
Eric Botcazou [Sun, 11 Sep 2011 18:28:05 +0000 (18:28 +0000)]
trans.c (build_return_expr): Use void_type_node for MODIFY_EXPR.
* gcc-interface/trans.c (build_return_expr): Use void_type_node for
MODIFY_EXPR.
* gcc-interface/utils2.c (build_binary_op) <MODIFY_EXPR>: Assert that
the result type is null if ENABLE_CHECKING. Set operation_type at the
end unconditionally if not set in the previous cases.
Use build2 and void_type_node for MODIFY_EXPR.
(build_allocator): Use NULL_TREE for MODIFY_EXPR.
Nick Clifton [Fri, 9 Sep 2011 10:58:10 +0000 (10:58 +0000)]
mn10300.c (mn10300_split_and_operand_count): Return a positive value to indicate that the bits at the bottom of the register...
* config/mn10300/mn10300.c (mn10300_split_and_operand_count):
Return a positive value to indicate that the bits at the
bottom of the register should be cleared.
Eric Botcazou [Thu, 8 Sep 2011 21:12:37 +0000 (21:12 +0000)]
utils.c (unchecked_convert): Use a field of the right precision when converting to or from an integral type...
* gcc-interface/utils.c (unchecked_convert): Use a field of the right
precision when converting to or from an integral type whose precision
is not equal to its size.
Mikael Morin [Thu, 8 Sep 2011 15:40:48 +0000 (17:40 +0200)]
trans-array.c (gfc_trans_constant_array_constructor): Remove superfluous initialisation of DIM field.
2011-09-08 Mikael Morin <mikael.morin@sfr.fr>
* trans-array.c (gfc_trans_constant_array_constructor): Remove
superfluous initialisation of DIM field.
(gfc_trans_array_constructor): Assert that DIMEN field is properly set.
(gfc_conv_expr_descriptor): Ditto.
* trans-expr.c (gfc_conv_procedure_call): Ditto.
PR c++/33255 - Support -Wunused-local-typedefs warning
gcc/
* c-decl.c (lookup_name): Use the new
maybe_record_typedef_use.
(pushdecl): Use the new
record_locally_defined_typedef.
(store_parm_decls): Allocate cfun->language.
(finish_function): Use the new maybe_warn_unused_local_typedefs,
and free cfun->language.
(c_push_function_context): Allocate cfun->language here only if
needed.
(c_pop_function_context): Likewise, mark cfun->language
for collection only when it should be done.
* c-common.c (handle_used_attribute): Don't ignore TYPE_DECL
nodes.
* c-typeck.c (c_expr_sizeof_type, c_cast_expr): Use the new
maybe_record_local_typedef_use.
gcc/c-family
* c-common.h (struct c_language_function::local_typedefs): New
field.
(record_locally_defined_typedef, maybe_record_typedef_use)
(maybe_warn_unused_local_typedefs): Declare new functions.
* c-common.c (record_locally_defined_typedef)
(maybe_record_typedef_use)
(maybe_warn_unused_local_typedefs): Define new functions.
* c.opt: Declare new -Wunused-local-typedefs flag.
gcc/cp
* name-lookup.c (pushdecl_maybe_friend_1): Use the new
record_locally_defined_typedef.
* decl.c (finish_function): Use the new
maybe_warn_unused_local_typedefs.
(grokfield): Use the new record_locally_defined_typedef.
* parser.c (lookup_name): Use the new maybe_record_typedef_use.
gcc/doc/
* invoke.texi: Update documentation for -Wunused-local-typedefs.
gcc/testsuite/
* g++.dg/warn/Wunused-local-typedefs.C: New test file.
* c-c++-common/Wunused-local-typedefs.c: Likewise.
* config/i386/i386.c (LEA_MAX_STALL): New.
(increase_distance): Likewise.
(insn_defines_reg): Likewise.
(insn_uses_reg_mem): Likewise.
(distance_non_agu_define_in_bb): Likewise.
(distance_agu_use_in_bb): Likewise.
(ix86_lea_outperforms): Likewise.
(ix86_ok_to_clobber_flags): Likewise.
(ix86_avoid_lea_for_add): Likewise.
(ix86_avoid_lea_for_addr): Likewise.
(ix86_split_lea_for_addr): Likewise.
(distance_non_agu_define): Search in pred BBs added.
(distance_agu_use): Search in succ BBs added.
(IX86_LEA_PRIORITY): Value changed from 2 to 0.
(LEA_SEARCH_THRESHOLD): Now depends on LEA_MAX_STALL.
(ix86_lea_for_add_ok): Use ix86_lea_outperforms to make decision.
* config/i386/i386.md: Split added to transform non destructive
add into move and add.
(lea_1): transformed into insn_and_split to avoid AGU stalls.
(lea<mode>_2): Likewise.
re PR tree-optimization/19831 (Missing DSE/malloc/free optimization)
2011-09-08 Richard Guenther <rguenther@suse.de>
PR tree-optimization/19831
* tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Also
skip builtins with vdefs that do not really store something.
(propagate_necessity): For calls to free that we can associate
with an allocation function do not mark the freed pointer
definition necessary.
(eliminate_unnecessary_stmts): Remove a call to free if
the associated call to an allocation function is not necessary.
Jakub Jelinek [Thu, 8 Sep 2011 05:58:54 +0000 (07:58 +0200)]
re PR target/50310 (ICE: in gen_vcondv2div2df, at config/i386/sse.md:1435 with -O -ftree-vectorize and __builtin_isunordered())
PR target/50310
* config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Return
code early if TARGET_AVX.
(ix86_expand_fp_vcond): Handle LTGT and UNEQ.
* gcc.c-torture/execute/ieee/pr50310.c: New test.
* gcc.dg/pr50310-2.c: New test.
* bb-reorder.c (insert_section_boundary_note): Don't check
optimize_function_for_speed_p.
(gate_handle_partition_blocks): Do it here instead.
(gate_handle_reorder_blocks): Move preliminary checks here ...
(rest_of_handle_reorder_blocks): ... from here.
* regrename.c (struct du_head): Make nregs signed.
(closed_chains): Remove.
(create_new_chain): Return the new chain.
(chain_from_id): New static function.
(dump_def_use_chain): Change argument to be an int, indicating
the first ID to print. All callers changed.
(merge_overlapping_regs): Use chain_from_id. Assert that
chains don't conflict with themselves.
(rename_chains): Take no argument. Iterate over id_to_chain
rather to find chains to rename. Clear tick before the main
loop.
(struct incoming_reg_info): New struct.
(struct bb_rename_info): New struct.
(init_rename_info, set_incoming_from_chain, merge_chains): New
static functions.
(regrename_analyze): New static function, broken out of
regrename_optimize. Record and make use of open chain information
at basic block boundaries, and merge chains where possible.
(scan_rtx_reg): Make this_nregs signed. Don't update
closed_chains.
(build_def_use): Return a bool to indicate success. All callers
changed. Don't initialize global data here.
(regrename_optimize): Move most code out of here into
regrename_analyze.
* regs.h (add_range_to_hard_reg_set, remove_range_from_hard_reg_set,
range_overlaps_hard_reg_set_p, range_in_hard_reg_set_p): New
static inline functions.
* vec.h (FOR_EACH_VEC_ELT_FROM): New macro.
re PR tree-optimization/50319 (if-conversion produces unvectorizable conditions)
2011-09-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50319
* tree-if-conv.c (set_bb_predicate): Assert we only set
canonical predicates.
(add_to_predicate_list): Simplify. Allow TRUTH_NOT_EXPR
around canonical predicates.
(predicate_bbs): Do not re-gimplify already canonical
predicates. Properly unshare them though.
(find_phi_replacement_condition): Simplify.
re PR target/49030 (ICE in get_arm_condition_code, at config/arm/arm.c:17180)
gcc/
PR target/49030
* config/arm/arm-protos.h (maybe_get_arm_condition_code): Declare.
* config/arm/arm.c (maybe_get_arm_condition_code): New function,
reusing the old code from get_arm_condition_code. Return ARM_NV
for invalid comparison codes.
(get_arm_condition_code): Redefine in terms of
maybe_get_arm_condition_code.
* config/arm/predicates.md (arm_comparison_operator): Use
maybe_get_arm_condition_code.
gcc/testsuite/
PR target/49030
* gcc.dg/torture/pr49030.c: New test.
gcc:
* config/rs6000/rs6000.c (compute_save_world_info): Test
cfun->has_nonlocal_label to determine if the out-of-line save
world call may be used.
ada:
* gcc-interface/Makefile.in (darwin): Provide powerpc64 system
implementation.
* system-darwin-ppc64.ads: New file.
François Dumont [Tue, 6 Sep 2011 22:13:46 +0000 (22:13 +0000)]
hashtable_policy.h (_Prime_rehash_policy:: _M_next_bkt): Cast _M_max_load_factor to long double.
2011-09-06 François Dumont <fdumont@gcc.gnu.org>
Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/hashtable_policy.h (_Prime_rehash_policy::
_M_next_bkt): Cast _M_max_load_factor to long double.
(_Prime_rehash_policy::_M_bkt_for_elements): Use _M_next_bkt.
(_Prime_rehash_policy::_M_need_rehash): Likewise; cast all
float quantities to long double.
Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>
From-SVN: r178615
re PR target/47025 (Dead stores in variadic functions not eliminated)
2011-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47025
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): BUILT_IN_VA_END
uses nothing.
(call_may_clobber_ref_p_1): BUILT_IN_VA_END is a barrier like
BUILT_IN_FREE.
(stmt_kills_ref_p_1): BUILT_IN_VA_END kills what its argument
definitely points to.
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
BUILT_IN_VA_START doesn't let its va_list argument escape.
* tree-ssa-dce.c (propagate_necessity): BUILT_IN_VA_END does
not make any previous stores necessary.
* ipa-inline.h (struct inline_summary): Move versionable flag...
* cgraph.h (struct cgraph_local_info): ...here
* ipa-cp.c (determine_versionability): Use the new versionable flag.
(determine_versionability): Likewise.
(ipcp_versionable_function_p): Likewise.
(ipcp_generate_summary): Likewise.
* ipa-inline-analysis.c (dump_inline_summary): Do not dump the
versionable flag.
(compute_inline_parameters): Do not clear the versionable flag.
(inline_read_section): Do not stream the versionable flag.
(inline_write_summary): Likewise.
* lto-cgraph.c (lto_output_node): Stream the versionable flag.
(input_overwrite_node): Likewise.
re PR tree-optimization/48317 (SCCVN does not handle vector constructors)
2011-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48317
* tree-ssa-sccvn.h (struct vn_nary_op_s): Make op a true
trailing array.
(sizeof_vn_nary_op): New inline function.
(vn_nary_op_lookup_pieces): Adjust.
(vn_nary_op_insert_pieces): Likewise.
* tree-ssa-sccvn.c (vn_nary_op_eq): Also compare the length.
(init_vn_nary_op_from_pieces): Adjust signature. Deal with
any number of operands.
(vn_nary_length_from_stmt): New function.
(init_vn_nary_op_from_stmt): Adjust for CONSTRUCTOR handling.
(vn_nary_op_lookup_pieces): Adjust signature and allocate properly
sized temporary.
(vn_nary_op_lookup): Likewise.
(vn_nary_op_lookup_stmt): Likewise.
(vn_nary_op_insert_into): Likewise.
(vn_nary_op_insert_stmt): Likewise.
(visit_use): Handle CONSTRUCTOR as nary.
* tree-ssa-pre.c (phi_translate_1): Adjust.
(create_expression_by_pieces): Likewise.
(compute_avail): Likewise.
Robert Dewar [Tue, 6 Sep 2011 13:09:41 +0000 (13:09 +0000)]
impunit.ads, [...] (Is_RM_Defined_Unit): New function.
2011-09-06 Robert Dewar <dewar@adacore.com>
* impunit.ads, impunit.adb (Is_RM_Defined_Unit): New function.
* s-rident.ads: New restriction No_Implementation_Units
(this restriction is also part of the profile
No_Implementation_Extensions)
* sem_ch10.adb (Analyze_With_Clause): Add check for
No_Implementation_Units restriction.
* s-os_lib.ads (Spawn): Minor documentation clarification,
Success is True for a zero exit status.
2011-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb: Add message for common iterator error.
2011-09-06 Ed Schonberg <schonberg@adacore.com>
* exp_ch3.adb (Build_Initialization_Call): If the target is a
selected component discriminated by a current instance, replace
the constraint with a reference to the target object, regardless
of whether the context is an init_proc.
2011-09-06 Robert Dewar <dewar@adacore.com>
* exp_attr.adb: Descriptor_Size is never static.
2011-09-06 Robert Dewar <dewar@adacore.com>
* gnat_ugn.texi: Add documentation for LSLOC metric in gnatmetric
* exp_attr.adb (Expand_N_Attribute_Reference): Rewrite the
processing for Descriptor_Size.
* gnat_rm.texi: Rephrase the wording for attribute Descriptor_Size
to account for its broader usage.
* sem_attr.adb (Analyze_Attribute): Change the error detection
circuitry for Descriptor_Size as the attribute is now applicable
to all types.