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PR c++/86210
* c-common.c (check_nonnull_arg): Use fold_for_warn. Adjust obsolete
comment.
* g++.dg/warn/Wnonnull4.C: New test.
From-SVN: r261811
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PR c++/86240
* constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
(fold_simple_1): Likewise.
* error.c (dump_expr): Likewise.
* g++.dg/pr86240.C: New test.
From-SVN: r261809
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(simplify-rtx.c:215) with -O -g -mavx512bw)
PR debug/86194
* var-tracking.c (use_narrower_mode_test): Check if shift amount can
be narrowed.
* gcc.target/i386/pr86194.c: New test.
From-SVN: r261807
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PR tree-optimization/86231
* tree-vrp.c (union_ranges): For ( [ ) ] or ( )[ ] range and
anti-range don't overwrite *vr0min before using it to compute *vr0max.
* gcc.dg/tree-ssa/vrp119.c: New test.
* gcc.c-torture/execute/pr86231.c: New test.
From-SVN: r261805
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2018-06-20 Tom de Vries <tdevries@suse.de>
PR tree-optimization/86097
* tree-ssa-loop-manip.c (canonicalize_loop_ivs): Also convert *nit to
iv type if signedness of iv type is not the same as that of *nit.
* gcc.dg/autopar/pr86097.c: New test.
From-SVN: r261804
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* cfgrtl.c (rtl_verify_edges): Formatting fix. If bb->preds has any
EDGE_EH edges, verify they are all EDGE_EH.
From-SVN: r261803
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https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01237.html
PR c++/85634
* cp-tree.h (lookup_keep): Drop KEEP parm.
(lookup_list_keep): Delete.
(maybe_get_fns): Declare.
* parser.c (cp_parser_primary_expression): Call lookup_keep here.
(cp_parser_template_id): Not here ...
* decl.c (cp_finish_decl): ... nor here ...
* init.c (build_raw_new_expr): ... nor here ...
* pt.c (process_template_parm): ... nor here ...
* semantics.c (perform_koenig_lookup): Call lookup_keep.
(finish_call_expr): Not here.
* tree.c (ovl_cache): Delete.
(ovl_make, ovl_copy): No cache.
(lookup_keep): Always keep.
(lookup_list_keep): Delete.
(maybe_get_fns): New, broken out of ...
(get_fns): ... here. Call it.
(built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
(build_min_nt_call_vec): Likewise.
PR c++/85634
* g++.dg/lookup/pr85634.C: New.
From-SVN: r261802
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2018-06-20 Martin Liska <mliska@suse.cz>
* lto-symtab.c (lto_symtab_merge_p): Remove not valid
FIXME comment.
From-SVN: r261798
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From-SVN: r261797
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This patch adds support for generating LDPs and STPs of Q-registers.
This allows for more compact code generation and makes better use of the ISA.
It's implemented in a straightforward way by allowing 16-byte modes in the
sched-fusion machinery and adding appropriate peepholes in aarch64-ldpstp.md
as well as the patterns themselves in aarch64-simd.md.
It adds a new no_ldp_stp_qregs tuning flag.
I use it to restrict the peepholes in aarch64-ldpstp.md from merging the
operations together into PARALLELs. I also use it to restrict the sched fusion
check that brings such loads and stores together. This is enough to avoid
forming the pairs when the tuning flag is set.
I didn't see any non-noise performance effect on SPEC2017 on Cortex-A72 and Cortex-A53.
* config/aarch64/aarch64-tuning-flags.def (no_ldp_stp_qregs): New.
* config/aarch64/aarch64.c (xgene1_tunings): Add
AARCH64_EXTRA_TUNE_NO_LDP_STP_QREGS to tune_flags.
(aarch64_mode_valid_for_sched_fusion_p):
Allow 16-byte modes.
(aarch64_classify_address): Allow 16-byte modes for load_store_pair_p.
* config/aarch64/aarch64-ldpstp.md: Add peepholes for LDP STP of
128-bit modes.
* config/aarch64/aarch64-simd.md (load_pair<VQ:mode><VQ2:mode>):
New pattern.
(vec_store_pair<VQ:mode><VQ2:mode>): Likewise.
* config/aarch64/iterators.md (VQ2): New mode iterator.
* gcc.target/aarch64/ldp_stp_q.c: New test.
* gcc.target/aarch64/stp_vec_128_1.c: Likewise.
* gcc.target/aarch64/ldp_stp_q_disable.c: Likewise.
From-SVN: r261796
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2018-06-20 Martin Liska <mliska@suse.cz>
* tree-switch-conversion.c (jump_table_cluster::can_be_handled):
Change default ratio from 10 to 8.
From-SVN: r261795
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2018-06-20 Martin Liska <mliska@suse.cz>
* tree-switch-conversion.c (jump_table_cluster::find_jump_tables):
New.
(bit_test_cluster::find_bit_tests): Likewise.
(switch_decision_tree::analyze_switch_statement): Find clusters.
* tree-switch-conversion.h (struct jump_table_cluster): Document
hierarchy.
From-SVN: r261794
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2018-06-20 Martin Liska <mliska@suse.cz>
* tree-switch-conversion.c (switch_conversion::collect):
Record m_uniq property.
(switch_conversion::expand): Bail out for special conditions.
(group_cluster::~group_cluster): New.
(group_cluster::group_cluster): Likewise.
(group_cluster::dump): Likewise.
(jump_table_cluster::emit): New.
(switch_decision_tree::fix_phi_operands_for_edges): New.
(struct case_node): Remove struct.
(jump_table_cluster::can_be_handled): New.
(case_values_threshold): Moved to header.
(reset_out_edges_aux): Likewise.
(jump_table_cluster::is_beneficial): New.
(bit_test_cluster::can_be_handled): Likewise.
(add_case_node): Remove.
(bit_test_cluster::is_beneficial): New.
(case_bit_test::cmp): New.
(bit_test_cluster::emit): New.
(expand_switch_as_decision_tree_p): Remove.
(bit_test_cluster::hoist_edge_and_branch_if_true): New.
(fix_phi_operands_for_edge): Likewise.
(switch_decision_tree::analyze_switch_statement): New.
(compute_cases_per_edge): Move ...
(switch_decision_tree::compute_cases_per_edge): ... here.
(try_switch_expansion): Likewise.
(switch_decision_tree::try_switch_expansion): Likewise.
(record_phi_operand_mapping): Likewise.
(switch_decision_tree::record_phi_operand_mapping): Likewise.
(emit_case_decision_tree): Likewise.
(switch_decision_tree::emit): Likewise.
(balance_case_nodes): Likewise.
(switch_decision_tree::balance_case_nodes): Likewise.
(dump_case_nodes): Likewise.
(switch_decision_tree::dump_case_nodes): Likewise.
(emit_jump): Likewise.
(switch_decision_tree::emit_jump): Likewise.
(emit_cmp_and_jump_insns): Likewise.
(switch_decision_tree::emit_cmp_and_jump_insns): Likewise.
(emit_case_nodes): Likewise.
(switch_decision_tree::emit_case_nodes): Likewise.
(conditional_probability): Remove.
* tree-switch-conversion.h (enum cluster_type): New.
(PRINT_CASE): New.
(struct cluster): Likewise.
(cluster::cluster): Likewise.
(struct simple_cluster): Likewise.
(simple_cluster::simple_cluster): Likewise.
(struct group_cluster): Likewise.
(struct jump_table_cluster): Likewise.
(struct bit_test_cluster): Likewise.
(struct min_cluster_item): Likewise.
(struct case_tree_node): Likewise.
(case_tree_node::case_tree_node): Likewise.
(jump_table_cluster::case_values_threshold): Likewise.
(struct case_bit_test): Likewise.
(struct switch_decision_tree): Likewise.
(struct switch_conversion): Likewise.
(switch_decision_tree::reset_out_edges_aux): Likewise.
2018-06-20 Martin Liska <mliska@suse.cz>
* gcc.dg/tree-ssa/vrp104.c: Grep just for GIMPLE IL.
From-SVN: r261793
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2018-06-20 Martin Liska <mliska@suse.cz>
* tree-switch-conversion.c (MAX_CASE_BIT_TESTS): Remove.
(hoist_edge_and_branch_if_true): Likewise.
(expand_switch_using_bit_tests_p): Likewise.
(struct case_bit_test): Likewise.
(case_bit_test_cmp): Likewise.
(emit_case_bit_tests): Likewise.
(switch_conversion::switch_conversion): New class.
(struct switch_conv_info): Remove old struct.
(collect_switch_conv_info): More to ...
(switch_conversion::collect): ... this.
(check_range): Likewise.
(switch_conversion::check_range): Likewise.
(check_all_empty_except_final): Likewise.
(switch_conversion::check_all_empty_except_final): Likewise.
(check_final_bb): Likewise.
(switch_conversion::check_final_bb): Likewise.
(create_temp_arrays): Likewise.
(switch_conversion::create_temp_arrays): Likewise.
(free_temp_arrays): Likewise.
(gather_default_values): Likewise.
(switch_conversion::gather_default_values): Likewise.
(build_constructors): Likewise.
(switch_conversion::build_constructors): Likewise.
(constructor_contains_same_values_p): Likewise.
(switch_conversion::contains_same_values_p): Likewise.
(array_value_type): Likewise.
(switch_conversion::array_value_type): Likewise.
(build_one_array): Likewise.
(switch_conversion::build_one_array): Likewise.
(build_arrays): Likewise.
(switch_conversion::build_arrays): Likewise.
(gen_def_assigns): Likewise.
(switch_conversion::gen_def_assigns): Likewise.
(prune_bbs): Likewise.
(switch_conversion::prune_bbs): Likewise.
(fix_phi_nodes): Likewise.
(switch_conversion::fix_phi_nodes): Likewise.
(gen_inbound_check): Likewise.
(switch_conversion::gen_inbound_check): Likewise.
(process_switch): Use the newly created class.
(switch_conversion::expand): New.
(switch_conversion::~switch_conversion): New.
* tree-switch-conversion.h: New file.
From-SVN: r261792
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This patch makes pattern recognisers do their own checking for vector
types and target support. Previously some recognisers did this
themselves and some left it to vect_pattern_recog_1.
Doing this means we can get rid of the type_in argument, which was
ignored if the recogniser did its own checking. It also means
we create fewer junk statements.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vectorizer.h (NUM_PATTERNS, vect_recog_func_ptr): Move to
tree-vect-patterns.c.
* tree-vect-patterns.c (vect_supportable_direct_optab_p): New function.
(vect_recog_dot_prod_pattern): Use it. Remove the type_in argument.
(vect_recog_sad_pattern): Likewise.
(vect_recog_widen_sum_pattern): Likewise.
(vect_recog_pow_pattern): Likewise. Check for a null vectype.
(vect_recog_widen_shift_pattern): Remove the type_in argument.
(vect_recog_rotate_pattern): Likewise.
(vect_recog_mult_pattern): Likewise.
(vect_recog_vector_vector_shift_pattern): Likewise.
(vect_recog_divmod_pattern): Likewise.
(vect_recog_mixed_size_cond_pattern): Likewise.
(vect_recog_bool_pattern): Likewise.
(vect_recog_mask_conversion_pattern): Likewise.
(vect_try_gather_scatter_pattern): Likewise.
(vect_recog_widen_mult_pattern): Likewise. Check for a null vectype.
(vect_recog_over_widening_pattern): Likewise.
(vect_recog_gather_scatter_pattern): Likewise.
(vect_recog_func_ptr): Move from tree-vectorizer.h
(vect_vect_recog_func_ptrs): Move further down the file.
(vect_recog_func): Likewise. Remove the third argument.
(NUM_PATTERNS): Define based on vect_vect_recog_func_ptrs.
(vect_pattern_recog_1): Expect the pattern function to do any
necessary target tests. Also expect it to provide a vector type.
Remove the type_in handling.
From-SVN: r261791
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This message is a long write-up for a patch that simply adds a common
routine for printing the "vector_foo_pattern: detected:" messages.
The reason for doing this is that some routines check for target support
themselves and some leave it to vect_pattern_recog_1. Those that leave
it to vect_pattern_recog_1 currently print these "detected:" messages if
the statements have the right form, even if the pattern is eventually
discarded. IMO that's useful, and a lot of existing scan tests rely on it.
However, a later patch makes patterns do their own testing, and stops
them creating pattern statements until the tests have passed. This means
(a) they need to print the "detected:" message earlier and (b) the pattern
statement won't be around to print.
The patch therefore makes all routines print the original statement
rather than the pattern one. That information isn't obvious otherwise,
whereas vect_pattern_recog_1 already prints the pattern statement
in the case of a successful match. This also avoids the previous
situation in which a routine could print "detected:" and then
silently bail out before saying what had been detected.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vect-patterns.c (vect_pattern_detected): New function.
(vect_recog_dot_prod_patternm, vect_recog_sad_pattern)
(vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern)
(vect_recog_over_widening_pattern, vect_recog_widen_shift_pattern
(vect_recog_rotate_pattern, vect_recog_vector_vector_shift_pattern)
(vect_recog_mult_pattern, vect_recog_divmod_pattern)
(vect_recog_mixed_size_cond_pattern, vect_recog_bool_pattern)
(vect_recog_mask_conversion_pattern)
(vect_try_gather_scatter_pattern): Likewise.
From-SVN: r261790
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This patch adds a helper for pattern code that wants to find an
internal (vectorisable) definition of an SSA name.
A later patch will make more use of this, and alter the definition.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vect-patterns.c (vect_get_internal_def): New function.
(vect_recog_dot_prod_pattern, vect_recog_sad_pattern)
(vect_recog_vector_vector_shift_pattern, check_bool_pattern)
(search_type_for_mask_1): Use it.
From-SVN: r261789
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vect_recog_dot_prod_pattern and vect_recog_sad_pattern both checked
whether the statement passed in had already been recognised as a
WIDEN_SUM_EXPR pattern. That isn't possible (any more?), since the
first recognised pattern wins, and since vect_recog_widen_sum_pattern
never matches a later statement than the one it's given.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Remove
redundant WIDEN_SUM_EXPR handling.
(vect_recog_sad_pattern): Likewise.
From-SVN: r261788
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tree-vect-patterns.c checked that operands to primitive arithmetic ops
are compatible with each other and with the result. The checks date
back years and have long been redundant with verify_gimple_stmt.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Remove
redundant check that the types of a PLUS_EXPR or MULT_EXPR agree.
(vect_recog_sad_pattern): Likewise PLUS_EXPR, ABS_EXPR and MINUS_EXPR.
(vect_recog_widen_mult_pattern): Likewise MULT_EXPR.
(vect_recog_widen_sum_pattern): Likewise PLUS_EXPR.
From-SVN: r261787
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vectorizable_call stubs out the original scalar statement with
a dummy assignment to the same lhs, so that we don't leave any bogus
scalar calls around. If the call is actually a pattern statement,
the code rightly took the lhs of the original bb statement:
if (is_pattern_stmt_p (stmt_info))
lhs = gimple_call_lhs (STMT_VINFO_RELATED_STMT (stmt_info));
else
lhs = gimple_call_lhs (stmt);
But it then associated the new statement with the stmt_vec_info of the
pattern statement rather than the bb statement, which meant we had two
stmt_vec_infos assigning to the same lhs. This seems to be latent at
the moment but caused problems further into the series.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vect-stmts.c (vectorizable_call): Make sure that we
use the stmt_vec_info of the original bb statement for the
new zero assignment, even if the call is part of a pattern.
From-SVN: r261786
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A pattern's PATTERN_DEF_SEQ was attached to both the original statement
and the main pattern statement, which made it harder to update later.
This patch attaches it to just the original statement. In practice,
anything that cared had ready access to both.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vectorizer.h (_stmt_vec_info): Note above pattern_def_seq
that the sequence is attached to the original statement rather
than the pattern statement.
* tree-vect-loop.c (vect_determine_vf_for_stmt): Take the
PATTERN_DEF_SEQ from the original statement rather than
the main pattern statement.
* tree-vect-stmts.c (free_stmt_vec_info): Likewise.
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Likewise.
(vect_mark_pattern_stmts): Don't copy the PATTERN_DEF_SEQ.
From-SVN: r261785
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This patch is the first part of a series to fix to PR85694.
Later patches can make the pattern for a statement S2 reuse the
results of a PATTERN_DEF_SEQ statement attached to an earlier
statement S1. Although vect_mark_stmts_to_be_vectorized handled
this fine, vect_analyze_stmt and vect_transform_loop both skipped the
PATTERN_DEF_SEQ for S1 if S1's main pattern wasn't live or relevant.
I couldn't wrap my head around the flow in vect_transform_loop,
so ended up moving the per-statement handling into a subroutine.
That makes the patch look bigger than it actually is.
2018-06-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vect-stmts.c (vect_analyze_stmt): Move the handling of pattern
definition statements before the early exit for statements that aren't
live or relevant.
* tree-vect-loop.c (vect_transform_loop_stmt): New function,
split out from...
(vect_transform_loop): ...here. Process pattern definition
statements without first checking whether the main pattern
statement is live or relevant.
From-SVN: r261784
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From-SVN: r261779
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From-SVN: r261775
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access
gcc/testsuite/ChangeLog:
* c-c++-common/attr-nonstring-8.c: Adjust text of expected warning
to also match C++.
From-SVN: r261774
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the locus represent UNKNOWN_LOCATION but have...
* tree-cfgcleanup.c (tree_forwarder_block_p): Do not return false at
-O0 if the locus represent UNKNOWN_LOCATION but have different values.
From-SVN: r261770
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TARGET_EFFICIENT_OVERLAPPING_UNALIGNED here instead of in caller.
2018-06-19 Aaron Sawdey <acsawdey@linux.ibm.com>
* config/rs6000/rs6000-string.c (select_block_compare_mode): Check
TARGET_EFFICIENT_OVERLAPPING_UNALIGNED here instead of in caller.
(do_and3, do_and3_mask, do_compb3, do_rotl3): New functions.
(expand_block_compare): Change select_block_compare_mode call.
(expand_strncmp_align_check): Use new functions, fix comment.
(emit_final_str_compare_gpr): New function.
(expand_strn_compare): Refactor and clean up code.
* config/rs6000/vsx.md (vsx_mov<mode>_64bit): Remove *.
From-SVN: r261769
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2018-06-19 Tony Reix <tony.reix@atos.com>
Damien Bergamini <damien.bergamini@atos.com>
David Edelsohn <dje.gcc@gmail.com>
* collect2.c (static_obj): New variable.
(static_libs): New variable.
(is_in_list): Uncomment declaration.
(main): Track AIX libraries linked statically.
(is_in_list): Uncomment definition.
(scan_prog_file): Don't add AIX shared libraries initializer
to constructor list if linking statically.
Co-Authored-By: Damien Bergamini <damien.bergamini@atos.com>
Co-Authored-By: David Edelsohn <dje.gcc@gmail.com>
From-SVN: r261759
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* cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
* constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
From-SVN: r261758
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* pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
used to declare a named variable.
From-SVN: r261757
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The issue is caused by reordering of stack pointer update after stack
space allocation with instructions that write to the allocated stack
space. In windowed ABI register spill area for the previous call frame
is located just below the stack pointer and may be reloaded back into
the register file on movsp.
Implement allocate_stack pattern for windowed ABI configuration and
insert an instruction that prevents reordering of frame memory access
and stack pointer update.
gcc/
2018-06-19 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec
constant.
(allocate_stack, frame_blockage, *frame_blockage): New patterns.
From-SVN: r261755
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source)
gcc/testsuite/ChangeLog:
PR middle-end/85602
* c-c++-common/attr-nonstring-8.c: Adjust text of expected warning
to also match C++.
From-SVN: r261751
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* tree.c (find_decls_types_r): Remove all non-VAR_DECLs from
blocks.
* g++.dg/lto/pr84805_0.C: Update template.
* g++.dg/lto/pr84805_1.C: Update template.
From-SVN: r261748
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From-SVN: r261745
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2018-06-19 Martin Liska <mliska@suse.cz>
* config/i386/i386.c (ix86_can_inline_p): Do not use
ipa_fn_summaries::get_create.
* ipa-cp.c (ipcp_cloning_candidate_p): Replace get_create with
get.
(devirtualization_time_bonus): Likewise.
(ipcp_propagate_stage): Likewise.
* ipa-fnsummary.c (redirect_to_unreachable): Likewise.
(edge_set_predicate): Likewise.
(evaluate_conditions_for_known_args): Likewise.
(evaluate_properties_for_edge): Likewise.
(ipa_call_summary::reset): Tranform to ...
(ipa_call_summary::~ipa_call_summary): ... this.
(ipa_fn_summary::reset): Transform to ...
(ipa_fn_summary::~ipa_fn_summary): ... this.
(ipa_fn_summary_t::remove): Rename to ...
(ipa_fn_summary_t::remove_callees): ... this.
(ipa_fn_summary_t::duplicate): Use placement new
instead of memory copy.
(ipa_call_summary_t::duplicate): Likewise.
(ipa_call_summary_t::remove): Remove.
(dump_ipa_call_summary): Change get_create to get.
(ipa_dump_fn_summary): Dump only when summary exists.
(analyze_function_body): Use symbol_summary::get instead
of get_create.
(compute_fn_summary): Likewise.
(estimate_edge_devirt_benefit): Likewise.
(estimate_edge_size_and_time): Likewise.
(inline_update_callee_summaries): Likewise.
(remap_edge_change_prob): Likewise.
(remap_edge_summaries): Likewise.
(ipa_merge_fn_summary_after_inlining): Likewise.
(write_ipa_call_summary): Likewise.
(ipa_fn_summary_write): Likewise.
(ipa_free_fn_summary): Likewise.
* ipa-fnsummary.h (struct GTY): Add new ctor and copy ctor.
(struct ipa_call_summary): Likewise.
* ipa-icf.c (sem_function::merge): Use symbol_summary::get instead
of get_create.
* ipa-inline-analysis.c (do_estimate_edge_time): Likewise.
(estimate_size_after_inlining): Likewise.
(estimate_growth): Likewise.
(growth_likely_positive): Likewise.
* ipa-inline-transform.c (clone_inlined_nodes): Likewise.
(inline_call): Likewise.
* ipa-inline.c (caller_growth_limits): Likewise.
(can_inline_edge_p): Likewise.
(can_inline_edge_by_limits_p): Likewise.
(compute_uninlined_call_time): Likewise.
(compute_inlined_call_time): Likewise.
(want_inline_small_function_p): Likewise.
(edge_badness): Likewise.
(update_caller_keys): Likewise.
(update_callee_keys): Likewise.
(inline_small_functions): Likewise.
(inline_to_all_callers_1): Likewise.
(dump_overall_stats): Likewise.
(early_inline_small_functions): Likewise.
(early_inliner): Likewise.
* ipa-profile.c (ipa_propagate_frequency_1): Likewise.
* ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
* ipa-pure-const.c (malloc_candidate_p): Likewise.
* ipa-split.c (execute_split_functions): Likewise.
* symbol-summary.h: Likewise.
* tree-sra.c (ipa_sra_preliminary_function_checks): Likewise.
2018-06-19 Martin Liska <mliska@suse.cz>
* lto-partition.c (add_symbol_to_partition_1): Use symbol_summary::get instead
of get_create.
(undo_partition): Likewise.
(lto_balanced_map): Likewise.
From-SVN: r261744
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2018-06-19 Richard Biener <rguenther@suse.de>
* tree-vectorizer.c (try_vectorize_loop_1): Split out of ...
(vectorize_loops): ... here. Fix dbgcnt handling.
(try_vectorize_loop): Wrap try_vectorize_loop_1.
From-SVN: r261740
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The existing code allows only 4 vectors worth of ieee128 homogeneous
aggregates, but it should be 8. This happens because at one spot it
is mistakenly qualified as being passed in floating point registers.
PR target/86197
* config/rs6000/rs6000.md (rs6000_discover_homogeneous_aggregate): An
ieee128 argument takes up only one (vector) register, not two (floating
point) registers.
From-SVN: r261738
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constructor if CONSTRUCTOR_NO_CLEARING is set.
* gimplify.c (gimplify_init_constructor): Really never clear for an
incomplete constructor if CONSTRUCTOR_NO_CLEARING is set.
From-SVN: r261735
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2018-06-19 Martin Liska <mliska@suse.cz>
* config-lang.in: Remove stagestuff.
From-SVN: r261733
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2018-06-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/86179
* tree-vect-patterns.c (vect_pattern_recog_1): Clean up
after failed recognition.
* gcc.dg/pr86179.c: New testcase.
From-SVN: r261731
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* tree.c (cp_expr_location): New.
* cp-tree.h (cp_expr_loc_or_loc): New.
* call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
From-SVN: r261728
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* parser.c (cp_parser_lambda_expression): Use a range for
LAMBDA_EXPR_LOCATION.
From-SVN: r261727
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* pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
function type.
From-SVN: r261726
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* pt.c (check_for_bare_parameter_packs): Add loc parameter.
* decl.c (grokdeclarator): Call it for qualifying_scope.
From-SVN: r261725
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From-SVN: r261724
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gcc/c-family/ChangeLog:
PR middle-end/85602
* c-warn.c (sizeof_pointer_memaccess_warning): Check for attribute
nonstring.
gcc/ChangeLog:
PR middle-end/85602
* calls.c (maybe_warn_nonstring_arg): Handle strncat.
* tree-ssa-strlen.c (is_strlen_related_p): Make extern.
Handle integer subtraction.
(maybe_diag_stxncpy_trunc): Handle nonstring source arguments.
* tree-ssa-strlen.h (is_strlen_related_p): Declare.
gcc/testsuite/ChangeLog:
PR middle-end/85602
* gcc.dg/attr-nonstring-2.c: Adjust text of expected warning.
* c-c++-common/attr-nonstring-8.c: New test.
From-SVN: r261718
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gcc/ChangeLog:
* config/frv/frv-protos.h (frv_ifcvt_modify_insn): Strengthen 3rd
param from rtx to rtx_insn *.
* config/frv/frv.c (frv_ifcvt_add_insn): Likewise for "insn"
param.
(frv_ifcvt_modify_insn): Likwise.
(frv_ifcvt_modify_final): Likwise for local "existing_insn",
adding an as_a <rtx_insn *> cast. Likewise for local "insn".
* config/mips/mips.c (r10k_insert_cache_barriers): Add an
as_a <rtx_insn *> cast to local "unprotected_region" once
it's been established that it's not NULL or pc_rtx.
* config/nds32/nds32-relax-opt.c (nds32_group_insns): Strengthen
param "sethi" from rtx to rtx_insn *.
(nds32_group_float_insns): Likewise for param "insn".
* config/vax/vax-protos.h (vax_output_int_add): Likewise for 1st
param.
(vax_output_int_subtract): Likewise.
* config/vax/vax.c (vax_output_int_add): Likewise for param
"insn".
(vax_output_int_subtract): Likewise.
* emit-rtl.c (set_insn_deleted): Likewise, removing cast.
(emit_pattern_after): Likewise for param "after".
(emit_insn_after): Likewise.
(emit_jump_insn_after): Likewise.
(emit_call_insn_after): Likewise.
(emit_debug_insn_after): Likewise.
(emit_pattern_before): Likewise for param "before".
(emit_insn_before): Likewise.
(emit_jump_insn_before): Likewise.
* final.c (get_insn_template): Likewise for param "insn", removing
a cast.
* output.h (get_insn_template): Likewise for 2nd param.
* rtl.h (emit_insn_before): Likewise.
(emit_jump_insn_before): Likewise.
(emit_debug_insn_before_noloc): Likewise.
(emit_insn_after): Likewise.
(emit_jump_insn_after): Likewise.
(emit_call_insn_after): Likewise.
(emit_debug_insn_after): Likewise.
(set_insn_deleted): Likewise for param.
From-SVN: r261715
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__ibm128)
[gcc]
2018-06-18 Michael Meissner <meissner@linux.ibm.com>
PR target/85358
* config/rs6000/rs6000-modes.def (toplevel): Rework the 128-bit
floating point modes, so that IFmode is numerically greater than
TFmode, which is greater than KFmode using FRACTIONAL_FLOAT_MODE
to declare the ordering. This prevents IFmode from being
converted to TFmode when long double is IEEE 128-bit on an ISA 3.0
machine. Include rs6000-modes.h to share the fractional values
between genmodes* and the rest of the compiler.
(IFmode): Likewise.
(KFmode): Likewise.
(TFmode): Likewise.
* config/rs6000/rs6000-modes.h: New file.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Change the
meaning of rs6000_long_double_size so that 126..128 selects an
appropriate 128-bit floating point type.
(rs6000_option_override_internal): Likewise.
* config/rs6000/rs6000.h (toplevel): Include rs6000-modes.h.
(TARGET_LONG_DOUBLE_128): Change the meaning of
rs6000_long_double_size so that 126..128 selects an appropriate
128-bit floating point type.
(LONG_DOUBLE_TYPE_SIZE): Update comment.
* config/rs6000/rs6000.md (trunciftf2): Correct the modes of the
source and destination to match the standard usage.
(truncifkf2): Likewise.
(copysign<mode>3, IEEE iterator): Rework copysign of float128 on
ISA 2.07 to use an explicit clobber, instead of passing in a
temporary.
(copysign<mode>3_soft): Likewise.
[libgcc]
2018-06-18 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/t-float128 (FP128_CFLAGS_SW): Compile float128
support modules with -mno-gnu-attribute.
* config/rs6000/t-float128-hw (FP128_CFLAGS_HW): Likewise.
From-SVN: r261712
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gcc/ChangeLog:
* tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
Replace dump_printf_loc call with DUMP_VECT_SCOPE.
(vect_slp_analyze_instance_dependence): Likewise.
(vect_enhance_data_refs_alignment): Likewise.
(vect_analyze_data_refs_alignment): Likewise.
(vect_slp_analyze_and_verify_instance_alignment
(vect_analyze_data_ref_accesses): Likewise.
(vect_prune_runtime_alias_test_list): Likewise.
(vect_analyze_data_refs): Likewise.
* tree-vect-loop-manip.c (vect_update_inits_of_drs): Likewise.
* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
(vect_analyze_scalar_cycles_1): Likewise.
(vect_get_loop_niters): Likewise.
(vect_analyze_loop_form_1): Likewise.
(vect_update_vf_for_slp): Likewise.
(vect_analyze_loop_operations): Likewise.
(vect_analyze_loop): Likewise.
(vectorizable_induction): Likewise.
(vect_transform_loop): Likewise.
* tree-vect-patterns.c (vect_pattern_recog): Likewise.
* tree-vect-slp.c (vect_analyze_slp): Likewise.
(vect_make_slp_decision): Likewise.
(vect_detect_hybrid_slp): Likewise.
(vect_slp_analyze_operations): Likewise.
(vect_slp_bb): Likewise.
* tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
(vectorizable_bswap): Likewise.
(vectorizable_call): Likewise.
(vectorizable_simd_clone_call): Likewise.
(vectorizable_conversion): Likewise.
(vectorizable_assignment): Likewise.
(vectorizable_shift): Likewise.
(vectorizable_operation): Likewise.
* tree-vectorizer.h (DUMP_VECT_SCOPE): New macro.
From-SVN: r261710
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* pt.c (tsubst_decl): Handle recursive alias instantiation.
From-SVN: r261709
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