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PRs 68930 and 92497 show that when IPA-CP figures out constants in
aggregate parameters or when passed by reference but the loads happen
in an inlined function the information is lost. This happens even
when the inlined function itself was known to have - or even cloned to
have - such constants in incoming parameters because the transform
phase of IPA passes is not run on them. See discussion in the bugs
for reasons why.
Honza suggested that we can plug the results of IPA-CP analysis into
value numbering, so that FRE can figure out that some loads fetch
known constants. This is what this patch attempts to do. The patch
does not attempt to populate partial_defs with information from
IPA-CP, this can be hopefully added as a follow-up.
gcc/ChangeLog:
2023-08-11 Martin Jambor <mjambor@suse.cz>
PR ipa/68930
PR ipa/92497
* ipa-prop.h (ipcp_get_aggregate_const): Declare.
* ipa-prop.cc (ipcp_get_aggregate_const): New function.
(ipcp_transform_function): Do not deallocate transformation info.
* tree-ssa-sccvn.cc: Include alloc-pool.h, symbol-summary.h and
ipa-prop.h.
(vn_reference_lookup_2): When hitting default-def vuse, query
IPA-CP transformation info for any known constants.
gcc/testsuite/ChangeLog:
2023-06-07 Martin Jambor <mjambor@suse.cz>
PR ipa/68930
PR ipa/92497
* gcc.dg/ipa/pr92497-1.c: New test.
* gcc.dg/ipa/pr92497-2.c: Likewise.
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The following avoids propagating abnormals with the recent tweak
to look through PRE introduced copies between equal values.
PR tree-optimization/110777
* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_avail):
Avoid propagating abnormals.
* gcc.dg/pr110777.c: New testcase.
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Commit r14-2267-gb8806f6ffbe72e adjusts the arguments order
of LEN_STORE from {len,vector,bias} to {len,bias,vector},
in order to make them consistent with LEN_MASK_STORE and
MASK_STORE. But it missed to update the related handlings
in tree-ssa-sccvn.cc, it caused the failure shown in PR
110744. This patch is to fix the related handlings with
the correct index.
PR tree-optimization/110744
gcc/ChangeLog:
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Correct the index of bias
operand for ifn IFN_LEN_STORE.
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When PRE discovers a full redundancy during insertion it cannot unite
the two value sets. Instead it inserts a copy old-val = new-val where
new-val can also be a constant. The following looks through such
copies during elimination, providing one extra level of constant and
copy propagation. For the PR this helps avoiding a bogus diagnostic
that's emitted on unreachable code during loop optimization.
PR tree-optimization/110204
* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_avail):
Look through copies generated by PRE.
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Line 3292: has variable name "len": tree mask = NULL_TREE, len = NULL_TREE, bias = NULL_TREE;
Line 3349: has variable name "len": HOST_WIDE_INT start = 0, len = 0;
Since they are never used simultaneously, such issue is not recognized for now.
However, I want to add LEN_MASK_{LOAD,STORE} which will need these 2 variables, so fix naming in this path.
Change HOST_WIDE_INT start = 0, len = 0; into HOST_WIDE_INT start = 0, length = 0;
gcc/ChangeLog:
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Change name "len" into
"length".
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gcc/ChangeLog:
* alias.cc (ref_all_alias_ptr_type_p): Use _P() defines from tree.h.
* attribs.cc (diag_attr_exclusions): Ditto.
(decl_attributes): Ditto.
(build_type_attribute_qual_variant): Ditto.
* builtins.cc (fold_builtin_carg): Ditto.
(fold_builtin_next_arg): Ditto.
(do_mpc_arg2): Ditto.
* cfgexpand.cc (expand_return): Ditto.
* cgraph.h (decl_in_symtab_p): Ditto.
(symtab_node::get_create): Ditto.
* dwarf2out.cc (base_type_die): Ditto.
(implicit_ptr_descriptor): Ditto.
(gen_array_type_die): Ditto.
(gen_type_die_with_usage): Ditto.
(optimize_location_into_implicit_ptr): Ditto.
* expr.cc (do_store_flag): Ditto.
* fold-const.cc (negate_expr_p): Ditto.
(fold_negate_expr_1): Ditto.
(fold_convert_const): Ditto.
(fold_convert_loc): Ditto.
(constant_boolean_node): Ditto.
(fold_binary_op_with_conditional_arg): Ditto.
(build_fold_addr_expr_with_type_loc): Ditto.
(fold_comparison): Ditto.
(fold_checksum_tree): Ditto.
(tree_unary_nonnegative_warnv_p): Ditto.
(integer_valued_real_unary_p): Ditto.
(fold_read_from_constant_string): Ditto.
* gcc-rich-location.cc (maybe_range_label_for_tree_type_mismatch::get_text): Ditto.
* gimple-expr.cc (useless_type_conversion_p): Ditto.
(is_gimple_reg): Ditto.
(is_gimple_asm_val): Ditto.
(mark_addressable): Ditto.
* gimple-expr.h (is_gimple_variable): Ditto.
(virtual_operand_p): Ditto.
* gimple-ssa-warn-access.cc (pass_waccess::check_dangling_stores): Ditto.
* gimplify.cc (gimplify_bind_expr): Ditto.
(gimplify_return_expr): Ditto.
(gimple_add_padding_init_for_auto_var): Ditto.
(gimplify_addr_expr): Ditto.
(omp_add_variable): Ditto.
(omp_notice_variable): Ditto.
(omp_get_base_pointer): Ditto.
(omp_strip_components_and_deref): Ditto.
(omp_strip_indirections): Ditto.
(omp_accumulate_sibling_list): Ditto.
(omp_build_struct_sibling_lists): Ditto.
(gimplify_adjust_omp_clauses_1): Ditto.
(gimplify_adjust_omp_clauses): Ditto.
(gimplify_omp_for): Ditto.
(goa_lhs_expr_p): Ditto.
(gimplify_one_sizepos): Ditto.
* graphite-scop-detection.cc (scop_detection::graphite_can_represent_scev): Ditto.
* ipa-devirt.cc (odr_types_equivalent_p): Ditto.
* ipa-prop.cc (ipa_set_jf_constant): Ditto.
(propagate_controlled_uses): Ditto.
* ipa-sra.cc (type_prevails_p): Ditto.
(scan_expr_access): Ditto.
* optabs-tree.cc (optab_for_tree_code): Ditto.
* toplev.cc (wrapup_global_declaration_1): Ditto.
* trans-mem.cc (transaction_invariant_address_p): Ditto.
* tree-cfg.cc (verify_types_in_gimple_reference): Ditto.
(verify_gimple_comparison): Ditto.
(verify_gimple_assign_binary): Ditto.
(verify_gimple_assign_single): Ditto.
* tree-complex.cc (get_component_ssa_name): Ditto.
* tree-emutls.cc (lower_emutls_2): Ditto.
* tree-inline.cc (copy_tree_body_r): Ditto.
(estimate_move_cost): Ditto.
(copy_decl_for_dup_finish): Ditto.
* tree-nested.cc (convert_nonlocal_omp_clauses): Ditto.
(note_nonlocal_vla_type): Ditto.
(convert_local_omp_clauses): Ditto.
(remap_vla_decls): Ditto.
(fixup_vla_decls): Ditto.
* tree-parloops.cc (loop_has_vector_phi_nodes): Ditto.
* tree-pretty-print.cc (print_declaration): Ditto.
(print_call_name): Ditto.
* tree-sra.cc (compare_access_positions): Ditto.
* tree-ssa-alias.cc (compare_type_sizes): Ditto.
* tree-ssa-ccp.cc (get_default_value): Ditto.
* tree-ssa-coalesce.cc (populate_coalesce_list_for_outofssa): Ditto.
* tree-ssa-dom.cc (reduce_vector_comparison_to_scalar_comparison): Ditto.
* tree-ssa-forwprop.cc (can_propagate_from): Ditto.
* tree-ssa-propagate.cc (may_propagate_copy): Ditto.
* tree-ssa-sccvn.cc (fully_constant_vn_reference_p): Ditto.
* tree-ssa-sink.cc (statement_sink_location): Ditto.
* tree-ssa-structalias.cc (type_must_have_pointers): Ditto.
* tree-ssa-ter.cc (find_replaceable_in_bb): Ditto.
* tree-ssa-uninit.cc (warn_uninit): Ditto.
* tree-ssa.cc (maybe_rewrite_mem_ref_base): Ditto.
(non_rewritable_mem_ref_base): Ditto.
* tree-streamer-in.cc (lto_input_ts_type_non_common_tree_pointers): Ditto.
* tree-streamer-out.cc (write_ts_type_non_common_tree_pointers): Ditto.
* tree-vect-generic.cc (do_binop): Ditto.
(do_cond): Ditto.
* tree-vect-stmts.cc (vect_init_vector): Ditto.
* tree-vector-builder.h (tree_vector_builder::note_representative): Ditto.
* tree.cc (sign_mask_for): Ditto.
(verify_type_variant): Ditto.
(gimple_canonical_types_compatible_p): Ditto.
(verify_type): Ditto.
* ubsan.cc (get_ubsan_type_info_for_type): Ditto.
* var-tracking.cc (prepare_call_arguments): Ditto.
(vt_add_function_parameters): Ditto.
* varasm.cc (decode_addr_const): Ditto.
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In most architecture the precision_size of vbool*_t types are caculated
like as the multiple of the type size. For example:
precision_size = type_size * 8 (aka, bit count per bytes).
Unfortunately, some architecture like RISC-V will adjust the
precision_size
for the vbool*_t in order to align the ISA. For example as below.
type_size = [1, 1, 1, 1, 2, 4, 8]
precision_size = [1, 2, 4, 8, 16, 32, 64]
Then the precision_size of RISC-V vbool*_t will not be the multiple of
the
type_size. This PATCH try to enrich this case when comparing the
vn_reference.
Given we have the below code:
void test_vbool8_then_vbool16(int8_t * restrict in, int8_t * restrict
out) {
vbool8_t v1 = *(vbool8_t*)in;
vbool16_t v2 = *(vbool16_t*)in;
*(vbool8_t*)(out + 100) = v1;
*(vbool16_t*)(out + 200) = v2;
}
Before this PATCH:
csrr t0,vlenb
slli t1,t0,1
csrr a3,vlenb
sub sp,sp,t1
slli a4,a3,1
add a4,a4,sp
addi a2,a1,100
vsetvli a5,zero,e8,m1,ta,ma
sub a3,a4,a3
vlm.v v24,0(a0)
vsm.v v24,0(a2)
vsm.v v24,0(a3)
addi a1,a1,200
csrr t0,vlenb
vsetvli a4,zero,e8,mf2,ta,ma
slli t1,t0,1
vlm.v v24,0(a3)
vsm.v v24,0(a1)
add sp,sp,t1
jr ra
After this PATCH:
addi a3,a1,100
vsetvli a4,zero,e8,m1,ta,ma
addi a1,a1,200
vlm.v v24,0(a0)
vsm.v v24,0(a3)
vsetvli a5,zero,e8,mf2,ta,ma
vlm.v v24,0(a0)
vsm.v v24,0(a1)
ret
PR target/109272
gcc/ChangeLog:
* tree-ssa-sccvn.cc (vn_reference_eq): add type vector subparts
check for vn_reference equal.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/pr108185-4.c: Update test check
condition.
* gcc.target/riscv/rvv/base/pr108185-5.c: Likewise.
* gcc.target/riscv/rvv/base/pr108185-6.c: Likewise.
Signed-off-by: Pan Li <pan2.li@intel.com>
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There are quite some cases which want to access the control stmt
ending a basic-block. Since there cannot be debug stmts after
such stmt there's no point in using last_stmt which skips debug
stmts and can be a compile-time hog for larger testcases.
* gimple-ssa-split-paths.cc (is_feasible_trace): Avoid
last_stmt.
* graphite-scop-detection.cc (single_pred_cond_non_loop_exit):
Likewise.
* ipa-fnsummary.cc (set_cond_stmt_execution_predicate): Likewise.
(set_switch_stmt_execution_predicate): Likewise.
(phi_result_unknown_predicate): Likewise.
* ipa-prop.cc (compute_complex_ancestor_jump_func): Likewise.
(ipa_analyze_indirect_call_uses): Likewise.
* predict.cc (predict_iv_comparison): Likewise.
(predict_extra_loop_exits): Likewise.
(predict_loops): Likewise.
(tree_predict_by_opcode): Likewise.
* gimple-predicate-analysis.cc (predicate::init_from_control_deps):
Likewise.
* gimple-pretty-print.cc (dump_implicit_edges): Likewise.
* tree-ssa-phiopt.cc (tree_ssa_phiopt_worker): Likewise.
(replace_phi_edge_with_variable): Likewise.
(two_value_replacement): Likewise.
(value_replacement): Likewise.
(minmax_replacement): Likewise.
(spaceship_replacement): Likewise.
(cond_removal_in_builtin_zero_pattern): Likewise.
* tree-ssa-reassoc.cc (maybe_optimize_range_tests): Likewise.
* tree-ssa-sccvn.cc (vn_phi_eq): Likewise.
(vn_phi_lookup): Likewise.
(vn_phi_insert): Likewise.
* tree-ssa-structalias.cc (compute_points_to_sets): Likewise.
* tree-ssa-threadbackward.cc (back_threader::maybe_thread_block):
Likewise.
(back_threader_profitability::possibly_profitable_path_p):
Likewise.
* tree-ssa-threadedge.cc (jump_threader::thread_outgoing_edges):
Likewise.
* tree-switch-conversion.cc (pass_convert_switch::execute):
Likewise.
(pass_lower_switch<O0>::execute): Likewise.
* tree-tailcall.cc (tree_optimize_tail_calls_1): Likewise.
* tree-vect-loop-manip.cc (vect_loop_versioning): Likewise.
* tree-vect-slp.cc (vect_slp_function): Likewise.
* tree-vect-stmts.cc (cfun_returns): Likewise.
* tree-vectorizer.cc (vect_loop_vectorized_call): Likewise.
(vect_loop_dist_alias_call): Likewise.
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This adds bitmap_clear_first_set_bit and uses it where previously
bitmap_clear_bit followed bitmap_first_set_bit. The advantage
is speeding up the search and avoiding to clobber ->current.
PR middle-end/108786
* bitmap.h (bitmap_clear_first_set_bit): New.
* bitmap.cc (bitmap_first_set_bit_worker): Rename from
bitmap_first_set_bit and add optional clearing of the bit.
(bitmap_first_set_bit): Wrap bitmap_first_set_bit_worker.
(bitmap_clear_first_set_bit): Likewise.
* df-core.cc (df_worklist_dataflow_doublequeue): Use
bitmap_clear_first_set_bit.
* graphite-scop-detection.cc (scop_detection::merge_sese):
Likewise.
* sanopt.cc (sanitize_asan_mark_unpoison): Likewise.
(sanitize_asan_mark_poison): Likewise.
* tree-cfgcleanup.cc (cleanup_tree_cfg_noloop): Likewise.
* tree-into-ssa.cc (rewrite_blocks): Likewise.
* tree-ssa-dce.cc (simple_dce_from_worklist): Likewise.
* tree-ssa-sccvn.cc (do_rpo_vn_1): Likewise.
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At some point I elided the NULL pointer check in expressions_equal_p
because it shouldn't be necessary not realizing that for example
TARGET_MEM_REF has optional operands we cannot substitute with
something non-NULL with the same semantics. The following does the
simple thing and restore the check removed in r11-4982.
PR tree-optimization/109491
* tree-ssa-sccvn.cc (expressions_equal_p): Restore the
NULL operands test.
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The following testcase shows a problem in how we query valitity for
equivalences on edges when the edge is a backedge and thus refering
to a block thats later in the iteration order we use for VN. That
causes the dominated_by_p_w_unex helper to look at edge executable
state that's not yet computed and thus still at optimistic not
executable state.
The following makes sure to use a plain dominance check in these cases.
PR tree-optimization/109342
* tree-ssa-sccvn.cc (vn_nary_op_get_predicated_value): New
overload for edge. When that edge is a backedge use
dominated_by_p directly.
* g++.dg/torture/pr109342.C: New testcase.
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The following avoids picking up dead code left over from folding
during FRE/PRE, effectively undoing propagations.
PR tree-optimization/107569
* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt):
Do not push SSA names with zero uses as available leader.
(process_bb): Likewise.
* g++.dg/opt/pr107569.C: New testcase.
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The following fixes the wrong removed dead store discovered on the
PR108657 testcase when the reported DSE issue is not fixed.
The issue is we were using ssa_undefined_value_p on virtual operands
which returns a result based on the real definition of the definition
statement. That doesn't make sense so this patch guards the calls
properly and makes sure nobody else does the same mistake.
* tree-ssa.cc (ssa_undefined_value_p): Assert we are not
called on virtual operands.
* tree-ssa-sccvn.cc (vn_phi_lookup): Guard
ssa_undefined_value_p calls.
(vn_phi_insert): Likewise.
(set_ssa_val_to): Likewise.
(visit_phi): Avoid extra work with equivalences for
virtual operand PHIs.
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The hash function of PHIs is weak since we want to be able to CSE
them even across basic-blocks in some cases. The following avoids
weakening the hash for cases we are never going to CSE, reducing
the number of collisions and avoiding redundant work in the
hash and equality functions.
* tree-ssa-sccvn.cc (vn_phi_compute_hash): Key skipping
basic block index hashing on the availability of ->cclhs.
(vn_phi_eq): Avoid re-doing sanity checks for CSE but
rely on ->cclhs availability.
(vn_phi_lookup): Set ->cclhs only when we are eventually
going to CSE the PHI.
(vn_phi_insert): Likewise.
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I noticed that for gcc.c-torture/compile/20001226-1.c even -O1 has
around 50% of the compile-time accounted to FRE. That's because
we have blocks with a high incoming edge count and
can_track_predicate_on_edge visits all of them even though it could
stop after the second. The function is also called repeatedly for
the same edge. The following fixes this and reduces the FRE time
to 1% on the testcase.
PR tree-optimization/28614
* tree-ssa-sccvn.cc (can_track_predicate_on_edge): Avoid
walking all edges in most cases.
(vn_nary_op_insert_pieces_predicated): Avoid repeated
calls to can_track_predicate_on_edge unless checking is
enabled.
(process_bb): Instead call it once here for each edge
we register possibly multiple predicates on.
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The PR108523 was too optimistic in replacing the same value with
an equivalence from a possibly not taken edge. The following
rectifies this and instead refrains from using the equivalence in
the problematic cases.
PR tree-optimization/108574
* tree-ssa-sccvn.cc (visit_phi): Instead of swapping
sameval and def, ignore the equivalence if there's the
danger of oscillating between two values.
* gcc.dg/torture/pr108574-1.c: New testcase.
* gcc.dg/torture/pr108574-2.c: Likewise.
* gcc.dg/torture/pr108574-3.c: Likewise.
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The following fixes not converging iteration in value-numbering of
PHI nodes when we use an equivalence to prove the PHI node is
degenerate. We have to avoid the situation where we oscillate
between the two equivalent values because the result is fed back
via a backedge.
PR tree-optimization/108523
* tree-ssa-sccvn.cc (visit_phi): Avoid using the exclusive
backedge value for the result when using predication to
prove equivalence.
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The following fixes unexpected simplification of x << C as
x * (1<<C) to a constant.
PR tree-optimization/108387
* tree-ssa-sccvn.cc (visit_nary_op): Check for SSA_NAME
value before inserting expression into the tables.
* gcc.dg/pr108387.c: New testcase.
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This patch is the second part of a fix for PR tree-optimization/71343,
that implements Richard Biener's suggestion of using tree-ssa's value
numbering instead of match.pd. The change is that when assigning a
value number for the expression X<<C, we actually look-up or insert
the value number for the multiplication X*(1<<C). This elegantly
handles the fact that we (intentionally) don't canonicalize these as
equivalent in GIMPLE, and the optimization/equivalence in PR 71343 now
happens by (tree-ssa SCCVN) magic.
2023-01-11 Roger Sayle <roger@nextmovesoftware.com>
gcc/ChangeLog
PR tree-optimization/71343
* tree-ssa-sccvn.cc (visit_nary_op) <case LSHIFT_EXPR>: Make
the value number of the expression X << C the same as the value
number for the multiplication X * (1<<C).
gcc/testsuite/ChangeLog
PR tree-optimization/71343
* gcc.dg/pr71343-2.c: New test case.
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The following fixes a mistake in interpreting .LEN_STORE definitions
during value-numbering when in big-endian mode. We cannot offset
the encoding of the RHS but instead encode to an offsetted position
which is then treated correctly by the endian aware copying code.
PR tree-optimization/107617
* tree-ssa-sccvn.cc (vn_walk_cb_data::push_partial_def):
Handle negative pd.rhs_off.
(vn_reference_lookup_3): Properly provide pd.rhs_off
for .LEN_STORE on big-endian targets.
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The following makes sure to honor the backedge processing logic
that forces VARYING there.
PR tree-optimization/107935
* tree-ssa-sccvn.cc (visit_phi): Honor forced VARYING on
backedges.
* gcc.dg/torture/pr107935.c: New testcase.
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The following deals with the situation where we have
<bb 2> [local count: 1073741824]:
_5 = bytes.D.25336._M_impl.D.24643._M_start;
_6 = bytes.D.25336._M_impl.D.24643._M_finish;
pretmp_66 = bytes.D.25336._M_impl.D.24643._M_end_of_storage;
if (_5 != _6)
goto <bb 3>; [70.00%]
else
goto <bb 4>; [30.00%]
...
<bb 6> [local count: 329045359]:
_89 = operator new (4);
_43 = bytes.D.25336._M_impl.D.24643._M_start;
_Num_44 = _137 - _43;
if (_Num_44 != 0)
but fail to see that _137 is equal to _5 and thus eventually _Num_44
is zero if not operator new would possibly clobber the global
bytes variable.
The following resolves this in value-numbering by using the
predicated values for _5 == _6 recorded for the dominating
condition.
PR tree-optimization/107852
* tree-ssa-sccvn.cc (visit_phi): Use equivalences recorded
as predicated values to elide more redundant PHIs.
* gcc.dg/tree-ssa/ssa-fre-101.c: New testcase.
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The following fixes an unintended(?) side-effect of the special
MODIFY_EXPR expression entries we add for tail-merging during VN.
We shouldn't value-number the virtual operand differently here.
PR tree-optimization/107107
* tree-ssa-sccvn.cc (visit_reference_op_store): Do not
affect value-numbering when doing the tail merging
MODIFY_EXPR lookup.
* gcc.dg/pr107107.c: New testcase.
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The following extends the skipping of same valued stores to
handle an arbitrary number of them as long as they are from the
same value (which we now record). That's an obvious extension
which allows to optimize the m_engaged member of std::optional
more reliably.
PR tree-optimization/106922
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Allow
an arbitrary number of same valued skipped stores.
* g++.dg/torture/pr106922.C: New testcase.
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The following enhances the store-with-same-value trick in
vn_reference_lookup_3 by not only looking for
a = val;
*ptr = val;
.. = a;
but also
*ptr = val;
other = x;
.. = a;
where the earlier store is more than one hop away. It does this
by queueing the actual value to compare until after the walk but
as disadvantage only allows a single such skipped store from a
constant value.
Unfortunately we cannot handle defs from non-constants this way
since we're prone to pick up values from the past loop iteration
this way and we have no good way to identify values that are
invariant in the currently iterated cycle. That's why we keep
the single-hop lookup for those cases. gcc.dg/tree-ssa/pr87126.c
would be a testcase that's un-XFAILed when we'd handle those
as well.
PR tree-optimization/106922
* tree-ssa-sccvn.cc (vn_walk_cb_data::same_val): New member.
(vn_walk_cb_data::finish): Perform delayed verification of
a skipped may-alias.
(vn_reference_lookup_pieces): Likewise.
(vn_reference_lookup): Likewise.
(vn_reference_lookup_3): When skipping stores of the same
value also handle constant stores that are more than a
single VDEF away by delaying the verification.
* gcc.dg/tree-ssa/ssa-fre-100.c: New testcase.
* g++.dg/tree-ssa/pr106922.C: Adjust.
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The following was prompted by review of the patch introducing
equivalences to VN.
* tree-ssa-sccvn.cc (can_track_predicate_on_edge): New
function split out from ...
(vn_nary_op_insert_pieces_predicated): ... here.
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The following refactors things sligtly so "utility" use of the RPO VN
machinery gets its own timevar when invoked from other passes.
* timevar.def (TV_TREE_RPO_VN): New.
* tree-ssa-sccvn.h (do_rpo_vn): Remove one overload.
* tree-ssa-sccvn.cc (do_rpo_vn_1): Rename the worker.
(do_rpo_vn): Unify the public API, track with TV_TREE_RPO_VN.
(pass_fre::execute): Adjust.
* tree-ssa-uninit.cc (execute_early_warn_uninitialized): Adjust.
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The dominated_by_p_w_unex function is prone to high compile time.
With GCC 12 we introduced a VN run for uninit diagnostics which now
runs into a degenerate case with bison generated code. Fortunately
this case is easy to fix with a simple extra check - a more
general fix needs more work.
PR tree-optimization/106809
* tree-ssa-sccvn.cc (dominaged_by_p_w_unex): Check we have
more than one successor before doing extra work.
* gcc.dg/torture/pr106809.c: New testcase.
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While .STORE_LANES is not supported by the recent VN patch we were
still accessing the stored value and valueizing it - but
internal_fn_stored_value_index does not support .STORE_LANES and
we failed to honor that case. Fixed by simply moving the affected
code below the check for the actual supported internal functions.
PR tree-optimization/106403
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Move stored
value valueization after check for IFN_MASKED_STORE or
IFN_LEN_STORE.
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The following teaches VN to handle reads from .MASK_STORE and
.LEN_STORE. For this push_partial_def is extended first for
convenience so we don't have to handle the full def case in the
caller (possibly other paths can be simplified then). Also
the partial definition stored value can have an offset applied
so we don't have to build a fake RHS when we register the pieces
of an existing store.
PR tree-optimization/106365
* tree-ssa-sccvn.cc (pd_data::rhs_off): New field determining
the offset to start encoding of RHS from.
(vn_walk_cb_data::vn_walk_cb_data): Initialize it.
(vn_walk_cb_data::push_partial_def): Allow the first partial
definition to be fully providing the def. Offset RHS
before encoding if requested.
(vn_reference_lookup_3): Initialize def_rhs everywhere.
Add support for .MASK_STORE and .LEN_STORE (partial) definitions.
* gcc.target/i386/vec-maskstore-vn.c: New testcase.
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This reverts the change as discussed.
2022-07-01 Richard Biener <rguenther@suse.de>
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Revert
back to using maybe_ne (off, -1).
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VN has checking code with gcc_unreachable (), the following makes
it cheaper by instead guarding the side-effect with flag_checking.
2022-07-01 Richard Biener <rguenther@suse.de>
* tree-ssa-sccvn.cc (vn_nary_op_insert_into): Make
checking dominance check conditional on flag_checking.
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The following makes sure to not use the original TBAA type for
looking up a value across an aggregate copy when we had to offset
the read.
2022-06-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/106131
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Force alias-set
zero when offsetting the read looking through an aggregate
copy.
* g++.dg/torture/pr106131.C: New testcase.
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The following fixes a mistake in looking up an extended operand
in the CSE of a truncated operation.
2022-06-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/106112
* tree-ssa-sccvn.cc (valueized_wider_op): Properly extend
a constant operand according to its type.
* gcc.dg/torture/pr106112.c: New testcase.
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gcc/cp/ChangeLog:
* cxx-pretty-print.h: Add "final" and "override" to various vfunc
implementations, removing redundant "virtual" as appropriate.
* module.cc: Likewise.
gcc/ChangeLog:
* genmatch.cc: Add "final" and "override" to various vfunc
implementations, removing redundant "virtual" as appropriate.
* gensupport.cc: Likewise.
* gimple-range-cache.h: Likewise.
* ipa-icf-gimple.h: Likewise.
* ipa-icf.h: Likewise.
* read-md.h: Likewise.
* read-rtl-function.cc: Likewise.
* tree-ssa-loop-ch.cc: Likewise.
* tree-ssa-sccvn.cc: Likewise.
gcc/lto/ChangeLog:
* lto-dump.cc: Add "final" and "override" to various vfunc
implementations, removing redundant "virtual" as appropriate.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
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gcc/ChangeLog:
* compare-elim.cc: Add "final" and "override" to dom_walker vfunc
implementations, removing redundant "virtual" as appropriate.
* gimple-ssa-strength-reduction.cc: Likewise.
* ipa-prop.cc: Likewise.
* rtl-ssa/blocks.cc: Likewise.
* tree-into-ssa.cc: Likewise.
* tree-ssa-dom.cc: Likewise.
* tree-ssa-math-opts.cc: Likewise.
* tree-ssa-phiopt.cc: Likewise.
* tree-ssa-propagate.cc: Likewise.
* tree-ssa-sccvn.cc: Likewise.
* tree-ssa-strlen.cc: Likewise.
* tree-ssa-uncprop.cc: Likewise.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
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gcc/ChangeLog:
* adjust-alignment.cc: Add "final" and "override" to opt_pass
vfunc implementations, removing redundant "virtual" as
appropriate.
* asan.cc: Likewise.
* auto-inc-dec.cc: Likewise.
* auto-profile.cc: Likewise.
* bb-reorder.cc: Likewise.
* cfgcleanup.cc: Likewise.
* cfgexpand.cc: Likewise.
* cfgrtl.cc: Likewise.
* cgraphbuild.cc: Likewise.
* combine-stack-adj.cc: Likewise.
* combine.cc: Likewise.
* compare-elim.cc: Likewise.
* config/i386/i386-features.cc: Likewise.
* coroutine-passes.cc: Likewise.
* cprop.cc: Likewise.
* cse.cc: Likewise.
* dce.cc: Likewise.
* df-core.cc: Likewise.
* dse.cc: Likewise.
* dwarf2cfi.cc: Likewise.
* early-remat.cc: Likewise.
* except.cc: Likewise.
* final.cc: Likewise.
* function.cc: Likewise.
* fwprop.cc: Likewise.
* gcse.cc: Likewise.
* gimple-harden-conditionals.cc: Likewise.
* gimple-if-to-switch.cc: Likewise.
* gimple-isel.cc: Likewise.
* gimple-laddress.cc: Likewise.
* gimple-loop-interchange.cc: Likewise.
* gimple-loop-jam.cc: Likewise.
* gimple-loop-versioning.cc: Likewise.
* gimple-low.cc: Likewise.
* gimple-ssa-backprop.cc: Likewise.
* gimple-ssa-evrp.cc: Likewise.
* gimple-ssa-isolate-paths.cc: Likewise.
* gimple-ssa-nonnull-compare.cc: Likewise.
* gimple-ssa-split-paths.cc: Likewise.
* gimple-ssa-store-merging.cc: Likewise.
* gimple-ssa-strength-reduction.cc: Likewise.
* gimple-ssa-warn-access.cc: Likewise.
* gimple-ssa-warn-alloca.cc: Likewise.
* gimple-ssa-warn-restrict.cc: Likewise.
* gimple-warn-recursion.cc: Likewise.
* graphite.cc: Likewise.
* ifcvt.cc: Likewise.
* init-regs.cc: Likewise.
* ipa-comdats.cc: Likewise.
* ipa-cp.cc: Likewise.
* ipa-devirt.cc: Likewise.
* ipa-fnsummary.cc: Likewise.
* ipa-free-lang-data.cc: Likewise.
* ipa-icf.cc: Likewise.
* ipa-inline.cc: Likewise.
* ipa-modref.cc: Likewise.
* ipa-profile.cc: Likewise.
* ipa-pure-const.cc: Likewise.
* ipa-reference.cc: Likewise.
* ipa-split.cc: Likewise.
* ipa-sra.cc: Likewise.
* ipa-visibility.cc: Likewise.
* ipa.cc: Likewise.
* ira.cc: Likewise.
* jump.cc: Likewise.
* loop-init.cc: Likewise.
* lower-subreg.cc: Likewise.
* mode-switching.cc: Likewise.
* modulo-sched.cc: Likewise.
* multiple_target.cc: Likewise.
* omp-expand.cc: Likewise.
* omp-low.cc: Likewise.
* omp-oacc-kernels-decompose.cc: Likewise.
* omp-oacc-neuter-broadcast.cc: Likewise.
* omp-offload.cc: Likewise.
* omp-simd-clone.cc: Likewise.
* passes.cc: Likewise.
* postreload-gcse.cc: Likewise.
* postreload.cc: Likewise.
* predict.cc: Likewise.
* recog.cc: Likewise.
* ree.cc: Likewise.
* reg-stack.cc: Likewise.
* regcprop.cc: Likewise.
* reginfo.cc: Likewise.
* regrename.cc: Likewise.
* reorg.cc: Likewise.
* sancov.cc: Likewise.
* sanopt.cc: Likewise.
* sched-rgn.cc: Likewise.
* stack-ptr-mod.cc: Likewise.
* store-motion.cc: Likewise.
* tracer.cc: Likewise.
* trans-mem.cc: Likewise.
* tree-call-cdce.cc: Likewise.
* tree-cfg.cc: Likewise.
* tree-cfgcleanup.cc: Likewise.
* tree-complex.cc: Likewise.
* tree-eh.cc: Likewise.
* tree-emutls.cc: Likewise.
* tree-if-conv.cc: Likewise.
* tree-into-ssa.cc: Likewise.
* tree-loop-distribution.cc: Likewise.
* tree-nrv.cc: Likewise.
* tree-object-size.cc: Likewise.
* tree-parloops.cc: Likewise.
* tree-predcom.cc: Likewise.
* tree-profile.cc: Likewise.
* tree-sra.cc: Likewise.
* tree-ssa-ccp.cc: Likewise.
* tree-ssa-copy.cc: Likewise.
* tree-ssa-dce.cc: Likewise.
* tree-ssa-dom.cc: Likewise.
* tree-ssa-dse.cc: Likewise.
* tree-ssa-forwprop.cc: Likewise.
* tree-ssa-ifcombine.cc: Likewise.
* tree-ssa-loop-ch.cc: Likewise.
* tree-ssa-loop-im.cc: Likewise.
* tree-ssa-loop-ivcanon.cc: Likewise.
* tree-ssa-loop-prefetch.cc: Likewise.
* tree-ssa-loop-split.cc: Likewise.
* tree-ssa-loop-unswitch.cc: Likewise.
* tree-ssa-loop.cc: Likewise.
* tree-ssa-math-opts.cc: Likewise.
* tree-ssa-phiopt.cc: Likewise.
* tree-ssa-phiprop.cc: Likewise.
* tree-ssa-pre.cc: Likewise.
* tree-ssa-reassoc.cc: Likewise.
* tree-ssa-sccvn.cc: Likewise.
* tree-ssa-sink.cc: Likewise.
* tree-ssa-strlen.cc: Likewise.
* tree-ssa-structalias.cc: Likewise.
* tree-ssa-uncprop.cc: Likewise.
* tree-ssa-uninit.cc: Likewise.
* tree-ssanames.cc: Likewise.
* tree-stdarg.cc: Likewise.
* tree-switch-conversion.cc: Likewise.
* tree-tailcall.cc: Likewise.
* tree-vect-generic.cc: Likewise.
* tree-vectorizer.cc: Likewise.
* tree-vrp.cc: Likewise.
* tsan.cc: Likewise.
* ubsan.cc: Likewise.
* var-tracking.cc: Likewise.
* vtable-verify.cc: Likewise.
* web.cc: Likewise.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
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|
When not optimizing, we can't do anything useful with unreachability in
terms of code performance, so we might as well improve debugging by turning
__builtin_unreachable into a trap. I think it also makes sense to do this
when we're explicitly optimizing for the debugging experience.
In the PR richi suggested introducing an -funreachable-traps flag for this.
This functionality is already implemented as -fsanitize=unreachable
-fsanitize-trap=unreachable, and we want to share the implementation, but it
does seem useful to have a separate flag that isn't affected by the various
sanitization controls. -fsanitize=unreachable takes priority over
-funreachable-traps if both are enabled.
Jakub observed that this would slow down -O0 by default from running the
sanopt pass, so this revision avoids the need for sanopt by rewriting calls
introduced by the compiler immediately, and calls written by the user at
fold time. Many of the calls introduced by the compiler are also rewritten
immediately to ubsan calls when not trapping, which fixes ubsan-8b.C;
previously the call to f() was optimized away before sanopt. But this early
rewriting isn't practical for uses of __builtin_unreachable in
devirtualization and such, so sanopt rewriting is still done for
non-trapping sanitize.
PR c++/104642
gcc/ChangeLog:
* common.opt: Add -funreachable-traps.
* doc/invoke.texi (-funreachable-traps): Document it.
* opts.cc (finish_options): Enable at -O0 or -Og.
* tree.cc (build_common_builtin_nodes): Add __builtin_trap.
(builtin_decl_unreachable, build_builtin_unreachable): New.
* tree.h: Declare them.
* ubsan.cc (sanitize_unreachable_fn): Factor out.
(ubsan_instrument_unreachable): Use
gimple_build_builtin_unreachable.
* ubsan.h (sanitize_unreachable_fn): Declare.
* gimple.cc (gimple_build_builtin_unreachable): New.
* gimple.h: Declare it.
* builtins.cc (expand_builtin_unreachable): Add assert.
(fold_builtin_0): Call build_builtin_unreachable.
* sanopt.cc: Don't run for just SANITIZE_RETURN
or SANITIZE_UNREACHABLE when trapping.
* cgraphunit.cc (walk_polymorphic_call_targets): Use new
unreachable functions.
* gimple-fold.cc (gimple_fold_call)
(gimple_get_virt_method_for_vtable)
* ipa-fnsummary.cc (redirect_to_unreachable)
* ipa-prop.cc (ipa_make_edge_direct_to_target)
(ipa_impossible_devirt_target)
* ipa.cc (walk_polymorphic_call_targets)
* tree-cfg.cc (pass_warn_function_return::execute)
(execute_fixup_cfg)
* tree-ssa-loop-ivcanon.cc (remove_exits_and_undefined_stmts)
(unloop_loops)
* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt):
Likewise.
gcc/cp/ChangeLog:
* constexpr.cc (cxx_eval_builtin_function_call): Handle
unreachable/trap earlier.
* cp-gimplify.cc (cp_maybe_instrument_return): Use
build_builtin_unreachable.
gcc/testsuite/ChangeLog:
* g++.dg/ubsan/return-8a.C: New test.
* g++.dg/ubsan/return-8b.C: New test.
* g++.dg/ubsan/return-8d.C: New test.
* g++.dg/ubsan/return-8e.C: New test.
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The following makes the main gimple_build API take a
gimple_stmt_iterator, whether to insert before or after and
an iterator update argument to make it more convenient to use
in certain situations (see the tree-vect-generic.cc hunks for
an example). It also makes the case we insert into the IL
somewhat distinct from inserting into a standalone sequence in
that it simplifies built expressions the same way as inserting
and calling fold_stmt (..., follow_all_ssa_edges) would. When
inserting into a standalone sequence we restrict simplification
to defs within the currently building sequence.
The patch only amends the tree_code gimple_build API, I will
followup with converting the rest as well. The patch got larger
than intended because the template forwarders now use gsi_last
which introduces a dependency on gimple-iterator.h requiring
mass #include re-org across the tree. There are two frontend
specific files including gimple-fold.h just for some padding
clearing stuff - I've removed the include and instead moved
the declarations to fold-const.h (but not the implementations).
Otherwise I'd have to include half of the middle-end headers in
those files which I didn't much like.
2022-05-12 Richard Biener <rguenther@suse.de>
gcc/cp/
* constexpr.cc: Remove gimple-fold.h include.
gcc/c-family/
* c-omp.cc: Remove gimple-fold.h include.
gcc/analyzer/
* supergraph.cc: Re-order gimple-fold.h include.
gcc/
* gimple-fold.cc (gimple_build): Adjust for new
main API.
* gimple-fold.h (gimple_build): New main APIs with
iterator, insert direction and iterator update.
(gimple_build): New forwarder template.
(clear_padding_type_may_have_padding_p): Remove.
(clear_type_padding_in_mask): Likewise.
(arith_overflowed_p): Likewise.
* fold-const.h (clear_padding_type_may_have_padding_p): Declare.
(clear_type_padding_in_mask): Likewise.
(arith_overflowed_p): Likewise.
* tree-vect-generic.cc (gimplify_build3): Use main gimple_build API.
(gimplify_build2): Likewise.
(gimplify_build1): Likewise.
* ubsan.cc (ubsan_expand_ptr_ifn): Likewise, avoid extra
compare stmt.
* gengtype.cc (open_base_files): Re-order includes.
* builtins.cc: Re-order gimple-fold.h include.
* calls.cc: Likewise.
* cgraphbuild.cc: Likewise.
* cgraphunit.cc: Likewise.
* config/rs6000/rs6000-builtin.cc: Likewise.
* config/rs6000/rs6000-call.cc: Likewise.
* config/rs6000/rs6000.cc: Likewise.
* config/s390/s390.cc: Likewise.
* expr.cc: Likewise.
* fold-const.cc: Likewise.
* function-tests.cc: Likewise.
* gimple-match-head.cc: Likewise.
* gimple-range-fold.cc: Likewise.
* gimple-ssa-evrp-analyze.cc: Likewise.
* gimple-ssa-evrp.cc: Likewise.
* gimple-ssa-sprintf.cc: Likewise.
* gimple-ssa-warn-access.cc: Likewise.
* gimplify.cc: Likewise.
* graphite-isl-ast-to-gimple.cc: Likewise.
* ipa-cp.cc: Likewise.
* ipa-devirt.cc: Likewise.
* ipa-prop.cc: Likewise.
* omp-low.cc: Likewise.
* pointer-query.cc: Likewise.
* range-op.cc: Likewise.
* tree-cfg.cc: Likewise.
* tree-if-conv.cc: Likewise.
* tree-inline.cc: Likewise.
* tree-object-size.cc: Likewise.
* tree-ssa-ccp.cc: Likewise.
* tree-ssa-dom.cc: Likewise.
* tree-ssa-forwprop.cc: Likewise.
* tree-ssa-ifcombine.cc: Likewise.
* tree-ssa-loop-ivcanon.cc: Likewise.
* tree-ssa-math-opts.cc: Likewise.
* tree-ssa-pre.cc: Likewise.
* tree-ssa-propagate.cc: Likewise.
* tree-ssa-reassoc.cc: Likewise.
* tree-ssa-sccvn.cc: Likewise.
* tree-ssa-strlen.cc: Likewise.
* tree-ssa.cc: Likewise.
* value-pointer-equiv.cc: Likewise.
* vr-values.cc: Likewise.
gcc/testsuite/
* gcc.dg/plugin/diagnostic_group_plugin.c: Reorder or remove
gimple-fold.h include.
* gcc.dg/plugin/diagnostic_plugin_show_trees.c:
Likewise.
* gcc.dg/plugin/diagnostic_plugin_test_inlining.c:
Likewise.
* gcc.dg/plugin/diagnostic_plugin_test_metadata.c:
Likewise.
* gcc.dg/plugin/diagnostic_plugin_test_paths.c:
Likewise.
* gcc.dg/plugin/diagnostic_plugin_test_show_locus.c:
Likewise.
* gcc.dg/plugin/diagnostic_plugin_test_string_literals.c: Likewise.
* gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c:
Likewise.
* gcc.dg/plugin/finish_unit_plugin.c: Likewise.
* gcc.dg/plugin/ggcplug.c: Likewise.
* gcc.dg/plugin/must_tail_call_plugin.c: Likewise.
* gcc.dg/plugin/one_time_plugin.c: Likewise.
* gcc.dg/plugin/selfassign.c: Likewise.
* gcc.dg/plugin/start_unit_plugin.c: Likewise.
* g++.dg/plugin/selfassign.c: Likewise.
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We can avoid some uninit diagnostics by making FRE disambiguate
against CLOBBERs since any aliasing there would invoke undefined
behavior for a read we are looking up.
2022-05-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/105562
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Disambiguate
against all CLOBBER defs if there's not an obvious must-alias
and we are not doing redundant store elimination.
(vn_walk_cb_data::redundant_store_removal_p): New field.
(vn_reference_lookup_pieces): Initialize it.
(vn_reference_lookup): Add argument to specify if we are
doing redundant store removal.
(eliminate_dom_walker::eliminate_stmt): Specify we do.
* tree-ssa-sccvn.h (vn_reference_lookup): Adjust.
* g++.dg/warn/uninit-pr105562.C: New testcase.
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|
When value-numbering an address expression like
&p_74(D)->a1x[4294967295].a1; we are accumulating the byte offset
in an 64bit integer. When later exploiting the duality between
that and a POINTER_PLUS_EXPR we should avoid truncating that
offset to fit in the target specific sizetype. While such
overflows are generally undefined behavior, exploiting this
may leads to spurious missing diagnostics.
2022-05-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/105517
* tree-ssa-sccvn.cc (vn_reference_lookup): Make sure the accumulated
offset can be represented in the POINTER_PLUS_EXPR IL.
(vn_reference_insert): Likewise.
* poly-int.h (sext_hwi): Add poly version of sext_hwi.
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|
This adds the capability to value-numbering of treating complex
address expressions where the offset becomes invariant as equal
to a POINTER_PLUS_EXPR. This restores CSE that is now prevented
by early lowering of &MEM[ptr + CST] to a POINTER_PLUS_EXPR.
Unfortunately this regresses gcc.dg/asan/pr99673.c again, so
the testcase is adjusted accordingly.
2022-01-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/104162
* tree-ssa-sccvn.cc (vn_reference_lookup): Handle
&MEM[_1 + 5].a[i] like a POINTER_PLUS_EXPR if the offset
becomes invariant.
(vn_reference_insert): Likewise.
* gcc.dg/tree-ssa/ssa-fre-99.c: New testcase.
* gcc.dg/asan/pr99673.c: Adjust.
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|
This patch consolidates the multiple ways we have of storing global
ranges into one accepting a range.
In an upcoming patch series later this cycle we will be providing a
way to store iranges globally, as opposed to the mechanism we have now
which squishes wider ranges into value_range's. This is preparation
for such work.
Tested and benchmarked on x86-64 Linux.
gcc/ChangeLog:
* gimple-ssa-evrp-analyze.cc
(evrp_range_analyzer::set_ssa_range_info): Use *range_info methods
that take a range.
* gimple-ssa-sprintf.cc (try_substitute_return_value): Same.
* ipa-prop.cc (ipcp_update_vr): Same.
* tree-inline.cc (remap_ssa_name): Same.
* tree-ssa-copy.cc (fini_copy_prop): Same.
* tree-ssa-math-opts.cc (optimize_spaceship): Same.
* tree-ssa-phiopt.cc (replace_phi_edge_with_variable): Same.
* tree-ssa-pre.cc (insert_into_preds_of_block): Same.
* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt): Same.
* tree-ssa-strlen.cc (set_strlen_range): Same.
(strlen_pass::handle_builtin_string_cmp): Same.
* tree-ssanames.cc (set_range_info): Make static.
(duplicate_ssa_name_range_info): Make static and add a new variant
calling the static.
* tree-ssanames.h (set_range_info): Remove version taking wide ints.
(duplicate_ssa_name_range_info): Remove version taking a
range_info_def and replace with a version taking SSA names.
* tree-vect-loop-manip.cc (vect_gen_vector_loop_niters): Use *range_info methods
that take a range.
(vect_do_peeling): Same.
* tree-vrp.cc (vrp_asserts::remove_range_assertions): Same.
* vr-values.cc (simplify_truth_ops_using_ranges): Same.
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|
This simplifies the modref query for calls in SCCVN again after
r12-8019-g4be08315124281, avoiding an ICE when the modref
analyzed access lacks an actual argument on the caller side.
It effectively reverts r12-7531-gdc46350d44c294.
2022-04-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/105185
* tree-ssa-sccvn.cc (visit_reference_op_call): Simplify
modref query again.
* gcc.dg/torture/pr105185.c: New testcase.
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|
The following makes sure to guard the modref query in VN on a
pointer typed argument.
2022-03-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/104825
* tree-ssa-sccvn.cc (visit_reference_op_call): Properly
guard modref get_ao_ref on a pointer typed argument.
* gcc.dg/torture/pr104825.c: New testcase.
|
|
This fixes a long-standing issue in PRE where we track valueized
expressions in our expression sets that we use for PHI translation,
code insertion but also feed into match-and-simplify via
vn_nary_simplify. But that's not what is expected from vn_nary_simplify
or match-and-simplify which assume we are simplifying with operands
available at the point of the expression so they can use contextual
information on the SSA names like ranges. While the VN side was
updated to ensure this with the rewrite to RPO VN, thereby removing
all workarounds that nullified such contextual info on all SSA names,
the PRE side still suffers from this.
The following patch tries to apply minimal surgery at this point
and makes PRE track un-valueized expressions in the expression sets
but only for the NARY kind (both NAME and CONSTANT do not suffer
from this issue), leaving the REFERENCE kind alone. The REFERENCE
kind is important when trying to remove the workarounds still in
place in compute_avail for code hoisting, but that's a separate issue
and we have a working workaround in place.
Doing this comes at the cost of duplicating the VN IL on the PRE side
for NARY and eventually some extra overhead for translated expressions
that is difficult to assess.
2022-02-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/103037
* tree-ssa-sccvn.h (alloc_vn_nary_op_noinit): Declare.
(vn_nary_length_from_stmt): Likewise.
(init_vn_nary_op_from_stmt): Likewise.
(vn_nary_op_compute_hash): Likewise.
* tree-ssa-sccvn.cc (alloc_vn_nary_op_noinit): Export.
(vn_nary_length_from_stmt): Likewise.
(init_vn_nary_op_from_stmt): Likewise.
(vn_nary_op_compute_hash): Likewise.
* tree-ssa-pre.cc (pre_expr_obstack): New obstack.
(get_or_alloc_expr_for_nary): Pass in the value-id to use,
(re-)compute the hash value and if the expression is not
found allocate it from pre_expr_obstack.
(phi_translate_1): Do not insert the NARY found in the
VN tables but build a PRE expression from the valueized
NARY with the value-id we eventually found.
(find_or_generate_expression): Assert we have an entry
for constant values.
(compute_avail): Insert not valueized expressions into
EXP_GEN using the value-id from the VN tables.
(init_pre): Allocate pre_expr_obstack.
(fini_pre): Free pre_expr_obstack.
* gcc.dg/torture/pr103037.c: New testcase.
|
|
The following testcase is miscompiled, because -fipa-pure-const discovers
that bar is const, but when sccvn during fre3 sees
# .MEM_140 = VDEF <.MEM_96>
*__pred$__d_43 = _50 (_49);
where _50 value numbers to &bar, it value numbers .MEM_140 to
vuse_ssa_val (gimple_vuse (stmt)). For const/pure calls that return
a SSA_NAME (or don't have lhs) that is fine, those calls don't store
anything, but if the lhs is present and not an SSA_NAME, value numbering
the vdef to anything but itself means that e.g. walk_non_aliased_vuses
won't consider the call, but the call acts as a store to its lhs.
When it is ignored, sccvn will return whatever has been stored to the
lhs earlier.
I've bootstrapped/regtested an earlier version of this patch, which did the
if (!lhs && gimple_call_lhs (stmt))
changed |= set_ssa_val_to (vdef, vdef);
part before else if (vnresult->result_vdef), and that regressed
+FAIL: gcc.dg/pr51879-16.c scan-tree-dump-times pre "foo \\\\(" 1
+FAIL: gcc.dg/pr51879-16.c scan-tree-dump-times pre "foo2 \\\\(" 1
so this updated patch uses result_vdef there as before and only otherwise
(which I think must be the const/pure case) decides based on whether the
lhs is non-SSA_NAME.
2022-02-24 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/104601
* tree-ssa-sccvn.cc (visit_reference_op_call): For calls with
non-SSA_NAME lhs value number vdef to itself instead of e.g. the
vuse value number.
* g++.dg/torture/pr104601.C: New test.
|
|
The following improves early uninit diagnostics by computing edge
reachability using VN and ignoring unreachable blocks when looking
for uninitialized uses. To not ICE with -fdump-tree-all the
early uninit pass needs a dumpfile since VN tries to dump statistics.
2022-02-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/104373
* tree-ssa-sccvn.h (do_rpo_vn): New export exposing the
walk kind.
* tree-ssa-sccvn.cc (do_rpo_vn): Export, get the default
walk kind as argument.
(run_rpo_vn): Adjust.
(pass_fre::execute): Likewise.
* tree-ssa-uninit.cc (warn_uninitialized_vars): Skip
blocks not reachable.
(execute_late_warn_uninitialized): Mark all edges as
executable.
(execute_early_warn_uninitialized): Use VN to compute
executable edges.
(pass_data_early_warn_uninitialized): Enable a dump file,
change dump name to warn_uninit.
* g++.dg/warn/Wuninitialized-32.C: New testcase.
* gcc.dg/uninit-pr20644-O0.c: Remove XFAIL.
|
|
ChangeLog:
* MAINTAINERS: Rename .c names to .cc.
contrib/ChangeLog:
* filter-clang-warnings.py: Rename .c names to .cc.
* gcc_update: Likewise.
* paranoia.cc: Likewise.
contrib/header-tools/ChangeLog:
* README: Rename .c names to .cc.
gcc/ChangeLog:
* Makefile.in: Rename .c names to .cc.
* alias.h: Likewise.
* asan.cc: Likewise.
* auto-profile.h: Likewise.
* basic-block.h (struct basic_block_d): Likewise.
* btfout.cc: Likewise.
* builtins.cc (expand_builtin_longjmp): Likewise.
(validate_arg): Likewise.
(access_ref::offset_bounded): Likewise.
* caller-save.cc (reg_restore_code): Likewise.
(setup_save_areas): Likewise.
* calls.cc (initialize_argument_information): Likewise.
(expand_call): Likewise.
(emit_library_call_value_1): Likewise.
* cfg-flags.def (RTL): Likewise.
(SIBCALL): Likewise.
(CAN_FALLTHRU): Likewise.
* cfganal.cc (post_order_compute): Likewise.
* cfgcleanup.cc (try_simplify_condjump): Likewise.
(merge_blocks_move_predecessor_nojumps): Likewise.
(merge_blocks_move_successor_nojumps): Likewise.
(merge_blocks_move): Likewise.
(old_insns_match_p): Likewise.
(try_crossjump_bb): Likewise.
* cfgexpand.cc (expand_gimple_stmt): Likewise.
* cfghooks.cc (split_block_before_cond_jump): Likewise.
(profile_record_check_consistency): Likewise.
* cfghooks.h: Likewise.
* cfgrtl.cc (pass_free_cfg::execute): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(make_pass_outof_cfg_layout_mode): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
* cgraph.cc (release_function_body): Likewise.
(cgraph_node::get_fun): Likewise.
* cgraph.h (struct cgraph_node): Likewise.
(asmname_hasher::equal): Likewise.
(cgraph_inline_failed_type): Likewise.
(thunk_adjust): Likewise.
(dump_callgraph_transformation): Likewise.
(record_references_in_initializer): Likewise.
(ipa_discover_variable_flags): Likewise.
* cgraphclones.cc (GTY): Likewise.
* cgraphunit.cc (symbol_table::finalize_compilation_unit): Likewise.
* collect-utils.h (GCC_COLLECT_UTILS_H): Likewise.
* collect2-aix.h (GCC_COLLECT2_AIX_H): Likewise.
* collect2.cc (maybe_run_lto_and_relink): Likewise.
* combine-stack-adj.cc: Likewise.
* combine.cc (setup_incoming_promotions): Likewise.
(combine_simplify_rtx): Likewise.
(count_rtxs): Likewise.
* common.opt: Likewise.
* common/config/aarch64/aarch64-common.cc: Likewise.
* common/config/arm/arm-common.cc (arm_asm_auto_mfpu): Likewise.
* common/config/avr/avr-common.cc: Likewise.
* common/config/i386/i386-isas.h (struct _isa_names_table): Likewise.
* conditions.h: Likewise.
* config.gcc: Likewise.
* config/aarch64/aarch64-builtins.cc (aarch64_resolve_overloaded_memtag): Likewise.
* config/aarch64/aarch64-protos.h (aarch64_classify_address): Likewise.
(aarch64_get_extension_string_for_isa_flags): Likewise.
* config/aarch64/aarch64-sve-builtins.cc (function_builder::add_function): Likewise.
* config/aarch64/aarch64.cc (aarch64_regmode_natural_size): Likewise.
(aarch64_sched_first_cycle_multipass_dfa_lookahead): Likewise.
(aarch64_option_valid_attribute_p): Likewise.
(aarch64_short_vector_p): Likewise.
(aarch64_float_const_representable_p): Likewise.
* config/aarch64/aarch64.h (DBX_REGISTER_NUMBER): Likewise.
(ASM_OUTPUT_POOL_EPILOGUE): Likewise.
(GTY): Likewise.
* config/aarch64/cortex-a57-fma-steering.cc: Likewise.
* config/aarch64/driver-aarch64.cc (contains_core_p): Likewise.
* config/aarch64/t-aarch64: Likewise.
* config/aarch64/x-aarch64: Likewise.
* config/aarch64/x-darwin: Likewise.
* config/alpha/alpha-protos.h: Likewise.
* config/alpha/alpha.cc (alpha_scalar_mode_supported_p): Likewise.
* config/alpha/alpha.h (LONG_DOUBLE_TYPE_SIZE): Likewise.
(enum reg_class): Likewise.
* config/alpha/alpha.md: Likewise.
* config/alpha/driver-alpha.cc (AMASK_LOCKPFTCHOK): Likewise.
* config/alpha/x-alpha: Likewise.
* config/arc/arc-protos.h (arc_eh_uses): Likewise.
* config/arc/arc.cc (ARC_OPT): Likewise.
(arc_ccfsm_advance): Likewise.
(arc_arg_partial_bytes): Likewise.
(conditionalize_nonjump): Likewise.
* config/arc/arc.md: Likewise.
* config/arc/builtins.def: Likewise.
* config/arc/t-arc: Likewise.
* config/arm/arm-c.cc (arm_resolve_overloaded_builtin): Likewise.
(arm_pragma_target_parse): Likewise.
* config/arm/arm-protos.h (save_restore_target_globals): Likewise.
(arm_cpu_cpp_builtins): Likewise.
* config/arm/arm.cc (vfp3_const_double_index): Likewise.
(shift_op): Likewise.
(thumb2_final_prescan_insn): Likewise.
(arm_final_prescan_insn): Likewise.
(arm_asm_output_labelref): Likewise.
(arm_small_register_classes_for_mode_p): Likewise.
* config/arm/arm.h: Likewise.
* config/arm/arm.md: Likewise.
* config/arm/driver-arm.cc: Likewise.
* config/arm/symbian.h: Likewise.
* config/arm/t-arm: Likewise.
* config/arm/thumb1.md: Likewise.
* config/arm/x-arm: Likewise.
* config/avr/avr-c.cc (avr_register_target_pragmas): Likewise.
* config/avr/avr-fixed.md: Likewise.
* config/avr/avr-log.cc (avr_log_vadump): Likewise.
* config/avr/avr-mcus.def: Likewise.
* config/avr/avr-modes.def (FRACTIONAL_INT_MODE): Likewise.
* config/avr/avr-passes.def (INSERT_PASS_BEFORE): Likewise.
* config/avr/avr-protos.h (make_avr_pass_casesi): Likewise.
* config/avr/avr.cc (avr_option_override): Likewise.
(avr_build_builtin_va_list): Likewise.
(avr_mode_dependent_address_p): Likewise.
(avr_function_arg_advance): Likewise.
(avr_asm_output_aligned_decl_common): Likewise.
* config/avr/avr.h (RETURN_ADDR_RTX): Likewise.
(SUPPORTS_INIT_PRIORITY): Likewise.
* config/avr/avr.md: Likewise.
* config/avr/builtins.def: Likewise.
* config/avr/gen-avr-mmcu-specs.cc (IN_GEN_AVR_MMCU_TEXI): Likewise.
* config/avr/gen-avr-mmcu-texi.cc (IN_GEN_AVR_MMCU_TEXI): Likewise.
(main): Likewise.
* config/avr/t-avr: Likewise.
* config/bfin/bfin.cc (frame_related_constant_load): Likewise.
* config/bpf/bpf-protos.h (GCC_BPF_PROTOS_H): Likewise.
* config/bpf/bpf.h (enum reg_class): Likewise.
* config/bpf/t-bpf: Likewise.
* config/c6x/c6x-protos.h (GCC_C6X_PROTOS_H): Likewise.
* config/cr16/cr16-protos.h: Likewise.
* config/cris/cris.cc (cris_address_cost): Likewise.
(cris_side_effect_mode_ok): Likewise.
(cris_init_machine_status): Likewise.
(cris_emit_movem_store): Likewise.
* config/cris/cris.h (INDEX_REG_CLASS): Likewise.
(enum reg_class): Likewise.
(struct cum_args): Likewise.
* config/cris/cris.opt: Likewise.
* config/cris/sync.md: Likewise.
* config/csky/csky.cc (csky_expand_prologue): Likewise.
* config/darwin-c.cc: Likewise.
* config/darwin-f.cc: Likewise.
* config/darwin-sections.def (zobj_const_section): Likewise.
* config/darwin.cc (output_objc_section_asm_op): Likewise.
(fprintf): Likewise.
* config/darwin.h (GTY): Likewise.
* config/elfos.h: Likewise.
* config/epiphany/epiphany-sched.md: Likewise.
* config/epiphany/epiphany.cc (epiphany_function_value): Likewise.
* config/epiphany/epiphany.h (GTY): Likewise.
(NO_FUNCTION_CSE): Likewise.
* config/epiphany/mode-switch-use.cc: Likewise.
* config/epiphany/predicates.md: Likewise.
* config/epiphany/t-epiphany: Likewise.
* config/fr30/fr30-protos.h: Likewise.
* config/frv/frv-protos.h: Likewise.
* config/frv/frv.cc (TLS_BIAS): Likewise.
* config/frv/frv.h (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
* config/ft32/ft32-protos.h: Likewise.
* config/gcn/gcn-hsa.h (ASM_APP_OFF): Likewise.
* config/gcn/gcn.cc (gcn_init_libfuncs): Likewise.
* config/gcn/mkoffload.cc (copy_early_debug_info): Likewise.
* config/gcn/t-gcn-hsa: Likewise.
* config/gcn/t-omp-device: Likewise.
* config/h8300/h8300-protos.h (GCC_H8300_PROTOS_H): Likewise.
(same_cmp_following_p): Likewise.
* config/h8300/h8300.cc (F): Likewise.
* config/h8300/h8300.h (struct cum_arg): Likewise.
(BRANCH_COST): Likewise.
* config/i386/cygming.h (DEFAULT_PCC_STRUCT_RETURN): Likewise.
* config/i386/djgpp.h (TARGET_ASM_LTO_END): Likewise.
* config/i386/dragonfly.h (NO_PROFILE_COUNTERS): Likewise.
* config/i386/driver-i386.cc (detect_caches_intel): Likewise.
* config/i386/freebsd.h (NO_PROFILE_COUNTERS): Likewise.
* config/i386/i386-c.cc (ix86_target_macros): Likewise.
* config/i386/i386-expand.cc (get_mode_wider_vector): Likewise.
* config/i386/i386-options.cc (ix86_set_func_type): Likewise.
* config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant): Likewise.
(ix86_register_pragmas): Likewise.
(ix86_d_has_stdcall_convention): Likewise.
(i386_pe_seh_init_sections): Likewise.
* config/i386/i386.cc (ix86_function_arg_regno_p): Likewise.
(ix86_function_value_regno_p): Likewise.
(ix86_compute_frame_layout): Likewise.
(legitimize_pe_coff_symbol): Likewise.
(output_pic_addr_const): Likewise.
* config/i386/i386.h (defined): Likewise.
(host_detect_local_cpu): Likewise.
(CONSTANT_ADDRESS_P): Likewise.
(DEFAULT_LARGE_SECTION_THRESHOLD): Likewise.
(struct machine_frame_state): Likewise.
* config/i386/i386.md: Likewise.
* config/i386/lynx.h (ASM_OUTPUT_ALIGN): Likewise.
* config/i386/mmx.md: Likewise.
* config/i386/sse.md: Likewise.
* config/i386/t-cygming: Likewise.
* config/i386/t-djgpp: Likewise.
* config/i386/t-gnu-property: Likewise.
* config/i386/t-i386: Likewise.
* config/i386/t-intelmic: Likewise.
* config/i386/t-omp-device: Likewise.
* config/i386/winnt-cxx.cc (i386_pe_type_dllimport_p): Likewise.
(i386_pe_adjust_class_at_definition): Likewise.
* config/i386/winnt.cc (gen_stdcall_or_fastcall_suffix): Likewise.
(i386_pe_mangle_decl_assembler_name): Likewise.
(i386_pe_encode_section_info): Likewise.
* config/i386/x-cygwin: Likewise.
* config/i386/x-darwin: Likewise.
* config/i386/x-i386: Likewise.
* config/i386/x-mingw32: Likewise.
* config/i386/x86-tune-sched-core.cc: Likewise.
* config/i386/x86-tune.def: Likewise.
* config/i386/xm-djgpp.h (STANDARD_STARTFILE_PREFIX_1): Likewise.
* config/ia64/freebsd.h: Likewise.
* config/ia64/hpux.h (REGISTER_TARGET_PRAGMAS): Likewise.
* config/ia64/ia64-protos.h (ia64_except_unwind_info): Likewise.
* config/ia64/ia64.cc (ia64_function_value_regno_p): Likewise.
(ia64_secondary_reload_class): Likewise.
(bundling): Likewise.
* config/ia64/ia64.h: Likewise.
* config/ia64/ia64.md: Likewise.
* config/ia64/predicates.md: Likewise.
* config/ia64/sysv4.h: Likewise.
* config/ia64/t-ia64: Likewise.
* config/iq2000/iq2000.h (FUNCTION_MODE): Likewise.
* config/iq2000/iq2000.md: Likewise.
* config/linux.h (TARGET_HAS_BIONIC): Likewise.
(if): Likewise.
* config/m32c/m32c.cc (m32c_function_needs_enter): Likewise.
* config/m32c/m32c.h (MAX_REGS_PER_ADDRESS): Likewise.
* config/m32c/t-m32c: Likewise.
* config/m32r/m32r-protos.h: Likewise.
* config/m32r/m32r.cc (m32r_print_operand): Likewise.
* config/m32r/m32r.h: Likewise.
* config/m32r/m32r.md: Likewise.
* config/m68k/m68k-isas.def: Likewise.
* config/m68k/m68k-microarchs.def: Likewise.
* config/m68k/m68k-protos.h (strict_low_part_peephole_ok): Likewise.
(m68k_epilogue_uses): Likewise.
* config/m68k/m68k.cc (m68k_call_tls_get_addr): Likewise.
(m68k_sched_adjust_cost): Likewise.
(m68k_sched_md_init): Likewise.
* config/m68k/m68k.h (__transfer_from_trampoline): Likewise.
(enum m68k_function_kind): Likewise.
* config/m68k/m68k.md: Likewise.
* config/m68k/m68kemb.h: Likewise.
* config/m68k/uclinux.h (ENDFILE_SPEC): Likewise.
* config/mcore/mcore-protos.h: Likewise.
* config/mcore/mcore.cc (mcore_expand_insv): Likewise.
(mcore_expand_prolog): Likewise.
* config/mcore/mcore.h (TARGET_MCORE): Likewise.
* config/mcore/mcore.md: Likewise.
* config/microblaze/microblaze-protos.h: Likewise.
* config/microblaze/microblaze.cc (microblaze_legitimate_pic_operand): Likewise.
(microblaze_function_prologue): Likewise.
(microblaze_function_epilogue): Likewise.
(microblaze_select_section): Likewise.
(microblaze_asm_output_mi_thunk): Likewise.
(microblaze_eh_return): Likewise.
* config/microblaze/microblaze.h: Likewise.
* config/microblaze/microblaze.md: Likewise.
* config/microblaze/t-microblaze: Likewise.
* config/mips/driver-native.cc: Likewise.
* config/mips/loongson2ef.md: Likewise.
* config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Likewise.
* config/mips/mips.cc (mips_rtx_costs): Likewise.
(mips_output_filename): Likewise.
(mips_output_function_prologue): Likewise.
(mips_output_function_epilogue): Likewise.
(mips_output_mi_thunk): Likewise.
* config/mips/mips.h: Likewise.
* config/mips/mips.md: Likewise.
* config/mips/t-mips: Likewise.
* config/mips/x-native: Likewise.
* config/mmix/mmix-protos.h: Likewise.
* config/mmix/mmix.cc (mmix_option_override): Likewise.
(mmix_dbx_register_number): Likewise.
(mmix_expand_prologue): Likewise.
* config/mmix/mmix.h: Likewise.
* config/mmix/mmix.md: Likewise.
* config/mmix/predicates.md: Likewise.
* config/mn10300/mn10300.cc (mn10300_symbolic_operand): Likewise.
(mn10300_legitimate_pic_operand_p): Likewise.
* config/mn10300/mn10300.h (enum reg_class): Likewise.
(NO_FUNCTION_CSE): Likewise.
* config/moxie/moxie-protos.h: Likewise.
* config/moxie/uclinux.h (TARGET_LIBC_HAS_FUNCTION): Likewise.
* config/msp430/msp430-devices.cc (extract_devices_dir_from_exec_prefix): Likewise.
* config/msp430/msp430.cc (msp430_gimplify_va_arg_expr): Likewise.
(msp430_incoming_return_addr_rtx): Likewise.
* config/msp430/msp430.h (msp430_get_linker_devices_include_path): Likewise.
* config/msp430/t-msp430: Likewise.
* config/nds32/nds32-cost.cc (nds32_rtx_costs_speed_prefer): Likewise.
(nds32_rtx_costs_size_prefer): Likewise.
(nds32_init_rtx_costs): Likewise.
* config/nds32/nds32-doubleword.md: Likewise.
* config/nds32/nds32.cc (nds32_memory_move_cost): Likewise.
(nds32_builtin_decl): Likewise.
* config/nds32/nds32.h (enum nds32_16bit_address_type): Likewise.
(enum nds32_isr_nested_type): Likewise.
(enum reg_class): Likewise.
* config/nds32/predicates.md: Likewise.
* config/nds32/t-nds32: Likewise.
* config/nios2/nios2.cc (nios2_pragma_target_parse): Likewise.
* config/nvptx/nvptx-protos.h: Likewise.
* config/nvptx/nvptx.cc (nvptx_goacc_expand_var_decl): Likewise.
* config/nvptx/nvptx.h (TARGET_CPU_CPP_BUILTINS): Likewise.
* config/nvptx/t-nvptx: Likewise.
* config/nvptx/t-omp-device: Likewise.
* config/pa/elf.h: Likewise.
* config/pa/pa-linux.h (GLOBAL_ASM_OP): Likewise.
* config/pa/pa-netbsd.h (GLOBAL_ASM_OP): Likewise.
* config/pa/pa-openbsd.h (TARGET_ASM_GLOBALIZE_LABEL): Likewise.
* config/pa/pa-protos.h (pa_eh_return_handler_rtx): Likewise.
(pa_legitimize_reload_address): Likewise.
(pa_can_use_return_insn): Likewise.
* config/pa/pa.cc (mem_shadd_or_shadd_rtx_p): Likewise.
(som_output_text_section_asm_op): Likewise.
* config/pa/pa.h (PROFILE_BEFORE_PROLOGUE): Likewise.
* config/pa/pa.md: Likewise.
* config/pa/som.h: Likewise.
* config/pa/t-pa: Likewise.
* config/pdp11/pdp11.cc (decode_pdp11_d): Likewise.
* config/pdp11/pdp11.h: Likewise.
* config/pdp11/pdp11.md: Likewise.
* config/pdp11/t-pdp11: Likewise.
* config/pru/pru.md: Likewise.
* config/pru/t-pru: Likewise.
* config/riscv/riscv-protos.h (NUM_SYMBOL_TYPES): Likewise.
(riscv_gpr_save_operation_p): Likewise.
(riscv_d_register_target_info): Likewise.
(riscv_init_builtins): Likewise.
* config/riscv/riscv.cc (riscv_output_mi_thunk): Likewise.
* config/riscv/riscv.h (CSW_MAX_OFFSET): Likewise.
* config/riscv/t-riscv: Likewise.
* config/rl78/rl78.cc (rl78_asm_ctor_dtor): Likewise.
* config/rl78/t-rl78: Likewise.
* config/rs6000/aix.h: Likewise.
* config/rs6000/aix71.h (ASM_SPEC_COMMON): Likewise.
* config/rs6000/aix72.h (ASM_SPEC_COMMON): Likewise.
* config/rs6000/aix73.h (ASM_SPEC_COMMON): Likewise.
* config/rs6000/darwin.h (TARGET_ASM_GLOBALIZE_LABEL): Likewise.
* config/rs6000/driver-rs6000.cc: Likewise.
* config/rs6000/freebsd.h: Likewise.
* config/rs6000/freebsd64.h: Likewise.
* config/rs6000/lynx.h (ASM_OUTPUT_ALIGN): Likewise.
* config/rs6000/rbtree.cc: Likewise.
* config/rs6000/rbtree.h: Likewise.
* config/rs6000/rs6000-c.cc (rs6000_target_modify_macros): Likewise.
* config/rs6000/rs6000-call.cc (rs6000_invalid_builtin): Likewise.
(rs6000_expand_builtin): Likewise.
(rs6000_init_builtins): Likewise.
* config/rs6000/rs6000-cpus.def: Likewise.
* config/rs6000/rs6000-gen-builtins.cc (write_init_ovld_table): Likewise.
* config/rs6000/rs6000-internal.h (ALTIVEC_REG_BIT): Likewise.
(quad_address_offset_p): Likewise.
* config/rs6000/rs6000-logue.cc (interesting_frame_related_regno): Likewise.
(rs6000_emit_epilogue): Likewise.
* config/rs6000/rs6000-overload.def: Likewise.
* config/rs6000/rs6000-p8swap.cc: Likewise.
* config/rs6000/rs6000-protos.h (GCC_RS6000_PROTOS_H): Likewise.
(rs6000_const_f32_to_i32): Likewise.
* config/rs6000/rs6000.cc (legitimate_lo_sum_address_p): Likewise.
(rs6000_debug_legitimize_address): Likewise.
(rs6000_mode_dependent_address): Likewise.
(rs6000_adjust_priority): Likewise.
(rs6000_c_mode_for_suffix): Likewise.
* config/rs6000/rs6000.h (defined): Likewise.
(LONG_DOUBLE_TYPE_SIZE): Likewise.
* config/rs6000/rs6000.md: Likewise.
* config/rs6000/sysv4.h: Likewise.
* config/rs6000/t-linux: Likewise.
* config/rs6000/t-linux64: Likewise.
* config/rs6000/t-rs6000: Likewise.
* config/rs6000/x-darwin: Likewise.
* config/rs6000/x-darwin64: Likewise.
* config/rs6000/x-rs6000: Likewise.
* config/rs6000/xcoff.h (ASM_OUTPUT_LABELREF): Likewise.
* config/rx/rx.cc (rx_expand_builtin): Likewise.
* config/s390/constraints.md: Likewise.
* config/s390/driver-native.cc: Likewise.
* config/s390/htmxlintrin.h: Likewise.
* config/s390/s390-builtins.def (B_DEF): Likewise.
(OB_DEF_VAR): Likewise.
* config/s390/s390-builtins.h: Likewise.
* config/s390/s390-c.cc: Likewise.
* config/s390/s390-opts.h: Likewise.
* config/s390/s390-protos.h (s390_check_symref_alignment): Likewise.
(s390_register_target_pragmas): Likewise.
* config/s390/s390.cc (s390_init_builtins): Likewise.
(s390_expand_plus_operand): Likewise.
(s390_expand_atomic): Likewise.
(s390_valid_target_attribute_inner_p): Likewise.
* config/s390/s390.h (LONG_DOUBLE_TYPE_SIZE): Likewise.
* config/s390/s390.md: Likewise.
* config/s390/t-s390: Likewise.
* config/s390/vx-builtins.md: Likewise.
* config/s390/x-native: Likewise.
* config/sh/divtab-sh4-300.cc (main): Likewise.
* config/sh/divtab-sh4.cc (main): Likewise.
* config/sh/divtab.cc (main): Likewise.
* config/sh/elf.h: Likewise.
* config/sh/sh-protos.h (sh_fsca_int2sf): Likewise.
* config/sh/sh.cc (SYMBOL_FLAG_FUNCVEC_FUNCTION): Likewise.
(sh_struct_value_rtx): Likewise.
(sh_remove_reg_dead_or_unused_notes): Likewise.
* config/sh/sh.h (MIN_UNITS_PER_WORD): Likewise.
* config/sh/t-sh: Likewise.
* config/sol2-protos.h (solaris_override_options): Likewise.
* config/sol2.h: Likewise.
* config/sparc/driver-sparc.cc: Likewise.
* config/sparc/freebsd.h: Likewise.
* config/sparc/sparc-protos.h (make_pass_work_around_errata): Likewise.
* config/sparc/sparc.cc (sparc_output_mi_thunk): Likewise.
(sparc_asan_shadow_offset): Likewise.
* config/sparc/sparc.h: Likewise.
* config/sparc/sparc.md: Likewise.
* config/sparc/t-sparc: Likewise.
* config/sparc/x-sparc: Likewise.
* config/stormy16/stormy16.cc (xstormy16_mode_dependent_address_p): Likewise.
* config/t-darwin: Likewise.
* config/t-dragonfly: Likewise.
* config/t-freebsd: Likewise.
* config/t-glibc: Likewise.
* config/t-linux: Likewise.
* config/t-netbsd: Likewise.
* config/t-openbsd: Likewise.
* config/t-pnt16-warn: Likewise.
* config/t-sol2: Likewise.
* config/t-vxworks: Likewise.
* config/t-winnt: Likewise.
* config/tilegx/t-tilegx: Likewise.
* config/tilegx/tilegx-c.cc: Likewise.
* config/tilegx/tilegx-protos.h (tilegx_function_profiler): Likewise.
* config/tilegx/tilegx.md: Likewise.
* config/tilepro/t-tilepro: Likewise.
* config/tilepro/tilepro-c.cc: Likewise.
* config/v850/t-v850: Likewise.
* config/v850/v850-protos.h: Likewise.
* config/v850/v850.cc (F): Likewise.
* config/v850/v850.h (enum reg_class): Likewise.
(SLOW_BYTE_ACCESS): Likewise.
* config/vax/vax.cc (vax_mode_dependent_address_p): Likewise.
* config/vax/vax.h (enum reg_class): Likewise.
* config/vax/vax.md: Likewise.
* config/visium/visium.cc (visium_legitimate_address_p): Likewise.
* config/visium/visium.h: Likewise.
* config/vms/t-vms: Likewise.
* config/vms/vms-crtlmap.map: Likewise.
* config/vms/vms-protos.h (vms_c_get_vms_ver): Likewise.
* config/vx-common.h: Likewise.
* config/x-darwin: Likewise.
* config/x-hpux: Likewise.
* config/x-linux: Likewise.
* config/x-netbsd: Likewise.
* config/x-openbsd: Likewise.
* config/x-solaris: Likewise.
* config/xtensa/xtensa-protos.h (xtensa_mem_offset): Likewise.
* config/xtensa/xtensa.cc (xtensa_option_override): Likewise.
* config/xtensa/xtensa.h: Likewise.
* configure.ac: Likewise.
* context.cc: Likewise.
* convert.h: Likewise.
* coretypes.h: Likewise.
* coverage.cc: Likewise.
* coverage.h: Likewise.
* cppdefault.h (struct default_include): Likewise.
* cprop.cc (local_cprop_pass): Likewise.
(one_cprop_pass): Likewise.
* cse.cc (hash_rtx_cb): Likewise.
(fold_rtx): Likewise.
* ctfc.h (ctfc_get_num_vlen_bytes): Likewise.
* data-streamer.h (bp_unpack_var_len_int): Likewise.
(streamer_write_widest_int): Likewise.
* dbgcnt.def: Likewise.
* dbxout.cc (dbxout_early_global_decl): Likewise.
(dbxout_common_check): Likewise.
* dbxout.h: Likewise.
* debug.h (struct gcc_debug_hooks): Likewise.
(dump_go_spec_init): Likewise.
* df-core.cc: Likewise.
* df-scan.cc (df_insn_info_delete): Likewise.
(df_insn_delete): Likewise.
* df.h (debug_df_chain): Likewise.
(can_move_insns_across): Likewise.
* dfp.cc (decimal_from_binary): Likewise.
* diagnostic-color.cc: Likewise.
* diagnostic-event-id.h: Likewise.
* diagnostic-show-locus.cc (test_one_liner_labels): Likewise.
* diagnostic.cc (bt_callback): Likewise.
(num_digits): Likewise.
* doc/avr-mmcu.texi: Likewise.
* doc/cfg.texi: Likewise.
* doc/contrib.texi: Likewise.
* doc/cppinternals.texi: Likewise.
* doc/extend.texi: Likewise.
* doc/generic.texi: Likewise.
* doc/gimple.texi: Likewise.
* doc/gty.texi: Likewise.
* doc/invoke.texi: Likewise.
* doc/loop.texi: Likewise.
* doc/lto.texi: Likewise.
* doc/match-and-simplify.texi: Likewise.
* doc/md.texi: Likewise.
* doc/optinfo.texi: Likewise.
* doc/options.texi: Likewise.
* doc/passes.texi: Likewise.
* doc/plugins.texi: Likewise.
* doc/rtl.texi: Likewise.
* doc/sourcebuild.texi: Likewise.
* doc/tm.texi: Likewise.
* doc/tm.texi.in: Likewise.
* doc/tree-ssa.texi: Likewise.
* dojump.cc (do_jump): Likewise.
* dojump.h: Likewise.
* dumpfile.cc (test_impl_location): Likewise.
(test_capture_of_dump_calls): Likewise.
* dumpfile.h (enum dump_kind): Likewise.
(class dump_location_t): Likewise.
(dump_enabled_p): Likewise.
(enable_rtl_dump_file): Likewise.
(dump_combine_total_stats): Likewise.
* dwarf2asm.cc (dw2_asm_output_delta_uleb128): Likewise.
* dwarf2ctf.h (ctf_debug_finish): Likewise.
* dwarf2out.cc (dwarf2out_begin_prologue): Likewise.
(struct loc_descr_context): Likewise.
(rtl_for_decl_location): Likewise.
(gen_subprogram_die): Likewise.
(gen_label_die): Likewise.
(is_trivial_indirect_ref): Likewise.
(dwarf2out_late_global_decl): Likewise.
(dwarf_file_hasher::hash): Likewise.
(dwarf2out_end_source_file): Likewise.
(dwarf2out_define): Likewise.
(dwarf2out_early_finish): Likewise.
* dwarf2out.h (struct dw_fde_node): Likewise.
(struct dw_discr_list_node): Likewise.
(output_loc_sequence_raw): Likewise.
* emit-rtl.cc (gen_raw_REG): Likewise.
(maybe_set_max_label_num): Likewise.
* emit-rtl.h (struct rtl_data): Likewise.
* errors.cc (internal_error): Likewise.
(trim_filename): Likewise.
* et-forest.cc: Likewise.
* except.cc (init_eh_for_function): Likewise.
* explow.cc (promote_ssa_mode): Likewise.
(get_dynamic_stack_size): Likewise.
* explow.h: Likewise.
* expmed.h: Likewise.
* expr.cc (safe_from_p): Likewise.
(expand_expr_real_2): Likewise.
(expand_expr_real_1): Likewise.
* file-prefix-map.cc (remap_filename): Likewise.
* final.cc (app_enable): Likewise.
(make_pass_compute_alignments): Likewise.
(final_scan_insn_1): Likewise.
(final_scan_insn): Likewise.
* fixed-value.h (fixed_from_string): Likewise.
* flag-types.h (NO_DEBUG): Likewise.
(DWARF2_DEBUG): Likewise.
(VMS_DEBUG): Likewise.
(BTF_DEBUG): Likewise.
(enum ctf_debug_info_levels): Likewise.
* fold-const.cc (const_binop): Likewise.
(fold_binary_loc): Likewise.
(fold_checksum_tree): Likewise.
* fp-test.cc: Likewise.
* function.cc (expand_function_end): Likewise.
* function.h (struct function): Likewise.
* fwprop.cc (should_replace_address): Likewise.
* gcc-main.cc: Likewise.
* gcc-rich-location.h (class gcc_rich_location): Likewise.
* gcc-symtab.h: Likewise.
* gcc.cc (MIN_FATAL_STATUS): Likewise.
(driver_handle_option): Likewise.
(quote_spec_arg): Likewise.
(driver::finalize): Likewise.
* gcc.h (set_input): Likewise.
* gcov-dump.cc: Likewise.
* gcov.cc (solve_flow_graph): Likewise.
* gcse-common.cc: Likewise.
* gcse.cc (make_pass_rtl_hoist): Likewise.
* genattr-common.cc: Likewise.
* genattrtab.cc (min_fn): Likewise.
(write_const_num_delay_slots): Likewise.
* genautomata.cc: Likewise.
* genconditions.cc (write_one_condition): Likewise.
* genconstants.cc: Likewise.
* genemit.cc (gen_exp): Likewise.
* generic-match-head.cc: Likewise.
* genextract.cc: Likewise.
* gengenrtl.cc (always_void_p): Likewise.
* gengtype-parse.cc (gtymarker_opt): Likewise.
* gengtype-state.cc (state_writer::state_writer): Likewise.
(write_state_trailer): Likewise.
(equals_type_number): Likewise.
(read_state): Likewise.
* gengtype.cc (open_base_files): Likewise.
(struct file_rule_st): Likewise.
(header_dot_h_frul): Likewise.
* gengtype.h: Likewise.
* genmatch.cc (main): Likewise.
* genmddeps.cc: Likewise.
* genmodes.cc (emit_mode_inner): Likewise.
(emit_mode_unit_size): Likewise.
* genpeep.cc (gen_peephole): Likewise.
* genpreds.cc (write_tm_preds_h): Likewise.
* genrecog.cc (validate_pattern): Likewise.
(write_header): Likewise.
(main): Likewise.
* gensupport.cc (change_subst_attribute): Likewise.
(traverse_c_tests): Likewise.
(add_predicate): Likewise.
(init_predicate_table): Likewise.
* gensupport.h (struct optab_pattern): Likewise.
(get_num_insn_codes): Likewise.
(maybe_eval_c_test): Likewise.
(struct pred_data): Likewise.
* ggc-internal.h: Likewise.
* gimple-fold.cc (maybe_fold_reference): Likewise.
(get_range_strlen_tree): Likewise.
* gimple-fold.h (gimple_stmt_integer_valued_real_p): Likewise.
* gimple-low.cc: Likewise.
* gimple-match-head.cc (directly_supported_p): Likewise.
* gimple-pretty-print.h: Likewise.
* gimple-ssa-sprintf.cc (format_percent): Likewise.
(adjust_range_for_overflow): Likewise.
* gimple-streamer.h: Likewise.
* gimple.h (struct GTY): Likewise.
(is_gimple_resx): Likewise.
* gimplify.cc (gimplify_expr): Likewise.
(gimplify_init_constructor): Likewise.
(omp_construct_selector_matches): Likewise.
(gimplify_omp_target_update): Likewise.
(gimplify_omp_ordered): Likewise.
(gimplify_va_arg_expr): Likewise.
* graphite-isl-ast-to-gimple.cc (should_copy_to_new_region): Likewise.
* haifa-sched.cc (increase_insn_priority): Likewise.
(try_ready): Likewise.
(sched_create_recovery_edges): Likewise.
* ifcvt.cc (find_if_case_1): Likewise.
(find_if_case_2): Likewise.
* inchash.h: Likewise.
* incpath.cc (add_env_var_paths): Likewise.
* input.cc (dump_location_info): Likewise.
(assert_loceq): Likewise.
(test_lexer_string_locations_concatenation_1): Likewise.
(test_lexer_string_locations_concatenation_2): Likewise.
(test_lexer_string_locations_concatenation_3): Likewise.
* input.h (BUILTINS_LOCATION): Likewise.
(class string_concat_db): Likewise.
* internal-fn.cc (expand_MUL_OVERFLOW): Likewise.
(expand_LOOP_VECTORIZED): Likewise.
* ipa-cp.cc (make_pass_ipa_cp): Likewise.
* ipa-fnsummary.cc (remap_freqcounting_preds_after_dup): Likewise.
(ipa_fn_summary_t::duplicate): Likewise.
(make_pass_ipa_fn_summary): Likewise.
* ipa-fnsummary.h (enum ipa_hints_vals): Likewise.
* ipa-free-lang-data.cc (fld_simplified_type): Likewise.
(free_lang_data_in_decl): Likewise.
* ipa-inline.cc (compute_inlined_call_time): Likewise.
(inline_always_inline_functions): Likewise.
* ipa-inline.h (free_growth_caches): Likewise.
(inline_account_function_p): Likewise.
* ipa-modref.cc (modref_access_analysis::analyze_stmt): Likewise.
(modref_eaf_analysis::analyze_ssa_name): Likewise.
* ipa-param-manipulation.cc (ipa_param_body_adjustments::mark_dead_statements): Likewise.
(ipa_param_body_adjustments::remap_with_debug_expressions): Likewise.
* ipa-prop.cc (ipa_set_node_agg_value_chain): Likewise.
* ipa-prop.h (IPA_UNDESCRIBED_USE): Likewise.
(unadjusted_ptr_and_unit_offset): Likewise.
* ipa-reference.cc (make_pass_ipa_reference): Likewise.
* ipa-reference.h (GCC_IPA_REFERENCE_H): Likewise.
* ipa-split.cc (consider_split): Likewise.
* ipa-sra.cc (isra_read_node_info): Likewise.
* ipa-utils.h (struct ipa_dfs_info): Likewise.
(recursive_call_p): Likewise.
(ipa_make_function_pure): Likewise.
* ira-build.cc (ira_create_allocno): Likewise.
(ira_flattening): Likewise.
* ira-color.cc (do_coloring): Likewise.
(update_curr_costs): Likewise.
* ira-conflicts.cc (process_regs_for_copy): Likewise.
* ira-int.h (struct ira_emit_data): Likewise.
(ira_prohibited_mode_move_regs): Likewise.
(ira_get_dup_out_num): Likewise.
(ira_destroy): Likewise.
(ira_tune_allocno_costs): Likewise.
(ira_implicitly_set_insn_hard_regs): Likewise.
(ira_build_conflicts): Likewise.
(ira_color): Likewise.
* ira-lives.cc (process_bb_node_lives): Likewise.
* ira.cc (class ira_spilled_reg_stack_slot): Likewise.
(setup_uniform_class_p): Likewise.
(def_dominates_uses): Likewise.
* ira.h (ira_nullify_asm_goto): Likewise.
* langhooks.cc (lhd_post_options): Likewise.
* langhooks.h (class substring_loc): Likewise.
(struct lang_hooks_for_tree_inlining): Likewise.
(struct lang_hooks_for_types): Likewise.
(struct lang_hooks): Likewise.
* libfuncs.h (synchronize_libfunc): Likewise.
* loop-doloop.cc (doloop_condition_get): Likewise.
* loop-init.cc (fix_loop_structure): Likewise.
* loop-invariant.cc: Likewise.
* lower-subreg.h: Likewise.
* lra-constraints.cc (curr_insn_transform): Likewise.
* lra-int.h (struct lra_insn_reg): Likewise.
(lra_undo_inheritance): Likewise.
(lra_setup_reload_pseudo_preferenced_hard_reg): Likewise.
(lra_split_hard_reg_for): Likewise.
(lra_coalesce): Likewise.
(lra_final_code_change): Likewise.
* lra-spills.cc (lra_final_code_change): Likewise.
* lra.cc (lra_process_new_insns): Likewise.
* lto-compress.h (struct lto_compression_stream): Likewise.
* lto-streamer-out.cc (DFS::DFS_write_tree_body): Likewise.
(write_symbol): Likewise.
* lto-streamer.h (enum LTO_tags): Likewise.
(lto_value_range_error): Likewise.
(lto_append_block): Likewise.
(lto_streamer_hooks_init): Likewise.
(stream_read_tree_ref): Likewise.
(lto_prepare_function_for_streaming): Likewise.
(select_what_to_stream): Likewise.
(omp_lto_input_declare_variant_alt): Likewise.
(cl_optimization_stream_in): Likewise.
* lto-wrapper.cc (append_compiler_options): Likewise.
* machmode.def: Likewise.
* machmode.h (struct int_n_data_t): Likewise.
* main.cc (main): Likewise.
* match.pd: Likewise.
* omp-builtins.def (BUILT_IN_GOMP_CRITICAL_NAME_END): Likewise.
(BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): Likewise.
* omp-expand.cc (expand_omp_atomic_fetch_op): Likewise.
(make_pass_expand_omp_ssa): Likewise.
* omp-low.cc (struct omp_context): Likewise.
(struct omp_taskcopy_context): Likewise.
(lower_omp): Likewise.
* omp-oacc-neuter-broadcast.cc (omp_sese_active_worker_call): Likewise.
(mask_name): Likewise.
(omp_sese_dump_pars): Likewise.
(worker_single_simple): Likewise.
* omp-offload.cc (omp_finish_file): Likewise.
(execute_oacc_loop_designation): Likewise.
* optabs-query.cc (lshift_cheap_p): Likewise.
* optc-gen.awk: Likewise.
* optc-save-gen.awk: Likewise.
* optinfo-emit-json.cc (optrecord_json_writer::optrecord_json_writer): Likewise.
* opts-common.cc: Likewise.
* output.h (app_enable): Likewise.
(output_operand_lossage): Likewise.
(insn_current_reference_address): Likewise.
(get_insn_template): Likewise.
(output_quoted_string): Likewise.
* pass_manager.h (struct register_pass_info): Likewise.
* plugin.cc: Likewise.
* plugin.def (PLUGIN_ANALYZER_INIT): Likewise.
* plugin.h (invoke_plugin_callbacks): Likewise.
* pointer-query.cc (handle_mem_ref): Likewise.
* postreload-gcse.cc (alloc_mem): Likewise.
* predict.h (enum prediction): Likewise.
(add_reg_br_prob_note): Likewise.
* prefix.h: Likewise.
* profile.h (get_working_sets): Likewise.
* read-md.cc: Likewise.
* read-md.h (struct mapping): Likewise.
(class md_reader): Likewise.
(class noop_reader): Likewise.
* read-rtl-function.cc (function_reader::create_function): Likewise.
(function_reader::extra_parsing_for_operand_code_0): Likewise.
* read-rtl.cc (initialize_iterators): Likewise.
* real.cc: Likewise.
* real.h (struct real_value): Likewise.
(format_helper::format_helper): Likewise.
(real_hash): Likewise.
(real_can_shorten_arithmetic): Likewise.
* recog.cc (struct target_recog): Likewise.
(offsettable_nonstrict_memref_p): Likewise.
(constrain_operands): Likewise.
* recog.h (MAX_RECOG_ALTERNATIVES): Likewise.
(which_op_alt): Likewise.
(struct insn_gen_fn): Likewise.
* reg-notes.def (REG_NOTE): Likewise.
* reg-stack.cc: Likewise.
* regs.h (reg_is_parm_p): Likewise.
* regset.h: Likewise.
* reload.cc (push_reload): Likewise.
(find_reloads): Likewise.
(find_reloads_address_1): Likewise.
(find_replacement): Likewise.
(refers_to_regno_for_reload_p): Likewise.
(refers_to_mem_for_reload_p): Likewise.
* reload.h (push_reload): Likewise.
(deallocate_reload_reg): Likewise.
* reload1.cc (emit_input_reload_insns): Likewise.
* reorg.cc (relax_delay_slots): Likewise.
* rtl.def (UNKNOWN): Likewise.
(SEQUENCE): Likewise.
(BARRIER): Likewise.
(ASM_OPERANDS): Likewise.
(EQ_ATTR_ALT): Likewise.
* rtl.h (struct GTY): Likewise.
(LABEL_NAME): Likewise.
(LABEL_ALT_ENTRY_P): Likewise.
(SUBREG_BYTE): Likewise.
(get_stack_check_protect): Likewise.
(dump_rtx_statistics): Likewise.
(unwrap_const_vec_duplicate): Likewise.
(subreg_promoted_mode): Likewise.
(gen_lowpart_common): Likewise.
(operand_subword): Likewise.
(immed_wide_int_const): Likewise.
(decide_function_section): Likewise.
(active_insn_p): Likewise.
(delete_related_insns): Likewise.
(try_split): Likewise.
(val_signbit_known_clear_p): Likewise.
(simplifiable_subregs): Likewise.
(set_insn_deleted): Likewise.
(subreg_get_info): Likewise.
(remove_free_EXPR_LIST_node): Likewise.
(finish_subregs_of_mode): Likewise.
(get_mem_attrs): Likewise.
(lookup_constant_def): Likewise.
(rtx_to_tree_code): Likewise.
(hash_rtx): Likewise.
(condjump_in_parallel_p): Likewise.
(validate_subreg): Likewise.
(make_compound_operation): Likewise.
(schedule_ebbs): Likewise.
(print_inline_rtx): Likewise.
(fixup_args_size_notes): Likewise.
(expand_dec): Likewise.
(prepare_copy_insn): Likewise.
(mark_elimination): Likewise.
(valid_mode_changes_for_regno): Likewise.
(make_debug_expr_from_rtl): Likewise.
(delete_vta_debug_insns): Likewise.
(simplify_using_condition): Likewise.
(set_insn_locations): Likewise.
(fatal_insn_not_found): Likewise.
(word_register_operation_p): Likewise.
* rtlanal.cc (get_call_fndecl): Likewise.
(side_effects_p): Likewise.
(subreg_nregs): Likewise.
(rtx_cost): Likewise.
(canonicalize_condition): Likewise.
* rtlanal.h (rtx_properties::try_to_add_note): Likewise.
* run-rtl-passes.cc (run_rtl_passes): Likewise.
* sanitizer.def (BUILT_IN_ASAN_VERSION_MISMATCH_CHECK): Likewise.
* sched-deps.cc (add_dependence_1): Likewise.
* sched-ebb.cc (begin_move_insn): Likewise.
(add_deps_for_risky_insns): Likewise.
(advance_target_bb): Likewise.
* sched-int.h (reemit_notes): Likewise.
(struct _haifa_insn_data): Likewise.
(HID): Likewise.
(DEP_CANCELLED): Likewise.
(debug_ds): Likewise.
(number_in_ready): Likewise.
(schedule_ebbs_finish): Likewise.
(find_modifiable_mems): Likewise.
* sched-rgn.cc (debug_rgn_dependencies): Likewise.
* sel-sched-dump.cc (dump_lv_set): Likewise.
* sel-sched-dump.h: Likewise.
* sel-sched-ir.cc (sel_insn_rtx_cost): Likewise.
(setup_id_reg_sets): Likewise.
(has_dependence_p): Likewise.
(sel_num_cfg_preds_gt_1): Likewise.
(bb_ends_ebb_p): Likewise.
* sel-sched-ir.h (struct _list_node): Likewise.
(struct idata_def): Likewise.
(bb_next_bb): Likewise.
* sel-sched.cc (vinsn_writes_one_of_regs_p): Likewise.
(choose_best_pseudo_reg): Likewise.
(verify_target_availability): Likewise.
(can_speculate_dep_p): Likewise.
(sel_rank_for_schedule): Likewise.
* selftest-run-tests.cc (selftest::run_tests): Likewise.
* selftest.h (class auto_fix_quotes): Likewise.
* shrink-wrap.cc (handle_simple_exit): Likewise.
* shrink-wrap.h: Likewise.
* simplify-rtx.cc (simplify_context::simplify_associative_operation): Likewise.
(simplify_context::simplify_gen_vec_select): Likewise.
* spellcheck-tree.h: Likewise.
* spellcheck.h: Likewise.
* statistics.h (struct function): Likewise.
* stmt.cc (conditional_probability): Likewise.
* stmt.h: Likewise.
* stor-layout.h: Likewise.
* streamer-hooks.h: Likewise.
* stringpool.h: Likewise.
* symtab.cc (symbol_table::change_decl_assembler_name): Likewise.
* target.def (HOOK_VECTOR_END): Likewise.
(type.): Likewise.
* target.h (union cumulative_args_t): Likewise.
(by_pieces_ninsns): Likewise.
(class predefined_function_abi): Likewise.
* targhooks.cc (default_translate_mode_attribute): Likewise.
* timevar.def: Likewise.
* timevar.h (class timer): Likewise.
* toplev.h (enable_rtl_dump_file): Likewise.
* trans-mem.cc (collect_bb2reg): Likewise.
* tree-call-cdce.cc (gen_conditions_for_pow): Likewise.
* tree-cfg.cc (remove_bb): Likewise.
(verify_gimple_debug): Likewise.
(remove_edge_and_dominated_blocks): Likewise.
(push_fndecl): Likewise.
* tree-cfgcleanup.h (GCC_TREE_CFGCLEANUP_H): Likewise.
* tree-complex.cc (expand_complex_multiplication): Likewise.
(expand_complex_div_straight): Likewise.
* tree-core.h (enum tree_index): Likewise.
(enum operand_equal_flag): Likewise.
* tree-eh.cc (honor_protect_cleanup_actions): Likewise.
* tree-if-conv.cc (if_convertible_gimple_assign_stmt_p): Likewise.
* tree-inline.cc (initialize_inlined_parameters): Likewise.
* tree-inline.h (force_value_to_type): Likewise.
* tree-nested.cc (get_chain_decl): Likewise.
(walk_all_functions): Likewise.
* tree-object-size.h: Likewise.
* tree-outof-ssa.cc: Likewise.
* tree-parloops.cc (create_parallel_loop): Likewise.
* tree-pretty-print.cc (print_generic_expr_to_str): Likewise.
(dump_generic_node): Likewise.
* tree-profile.cc (tree_profiling): Likewise.
* tree-sra.cc (maybe_add_sra_candidate): Likewise.
* tree-ssa-address.cc: Likewise.
* tree-ssa-alias.cc: Likewise.
* tree-ssa-alias.h (ao_ref::max_size_known_p): Likewise.
(dump_alias_stats): Likewise.
* tree-ssa-ccp.cc: Likewise.
* tree-ssa-coalesce.h: Likewise.
* tree-ssa-live.cc (remove_unused_scope_block_p): Likewise.
* tree-ssa-loop-manip.cc (copy_phi_node_args): Likewise.
* tree-ssa-loop-unswitch.cc: Likewise.
* tree-ssa-math-opts.cc: Likewise.
* tree-ssa-operands.cc (class operands_scanner): Likewise.
* tree-ssa-pre.cc: Likewise.
* tree-ssa-reassoc.cc (optimize_ops_list): Likewise.
(debug_range_entry): Likewise.
* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt): Likewise.
* tree-ssa-sccvn.h (TREE_SSA_SCCVN_H): Likewise.
* tree-ssa-scopedtables.cc (add_expr_commutative): Likewise.
(equal_mem_array_ref_p): Likewise.
* tree-ssa-strlen.cc (is_strlen_related_p): Likewise.
* tree-ssa-strlen.h (get_range_strlen_dynamic): Likewise.
* tree-ssa-tail-merge.cc (stmt_local_def): Likewise.
* tree-ssa-ter.h: Likewise.
* tree-ssa-threadupdate.h (enum bb_dom_status): Likewise.
* tree-streamer-in.cc (lto_input_ts_block_tree_pointers): Likewise.
* tree-streamer-out.cc (pack_ts_block_value_fields): Likewise.
(write_ts_block_tree_pointers): Likewise.
* tree-streamer.h (struct streamer_tree_cache_d): Likewise.
(streamer_read_tree_bitfields): Likewise.
(streamer_write_integer_cst): Likewise.
* tree-vect-patterns.cc (apply_binop_and_append_stmt): Likewise.
(vect_synth_mult_by_constant): Likewise.
* tree-vect-stmts.cc (vectorizable_operation): Likewise.
* tree-vectorizer.cc: Likewise.
* tree-vectorizer.h (class auto_purge_vect_location): Likewise.
(vect_update_inits_of_drs): Likewise.
(vect_get_mask_type_for_stmt): Likewise.
(vect_rgroup_iv_might_wrap_p): Likewise.
(cse_and_gimplify_to_preheader): Likewise.
(vect_free_slp_tree): Likewise.
(vect_pattern_recog): Likewise.
(vect_stmt_dominates_stmt_p): Likewise.
* tree.cc (initialize_tree_contains_struct): Likewise.
(need_assembler_name_p): Likewise.
(type_with_interoperable_signedness): Likewise.
* tree.def (SWITCH_EXPR): Likewise.
* tree.h (TYPE_SYMTAB_ADDRESS): Likewise.
(poly_int_tree_p): Likewise.
(inlined_function_outer_scope_p): Likewise.
(tree_code_for_canonical_type_merging): Likewise.
* value-prof.cc: Likewise.
* value-prof.h (get_nth_most_common_value): Likewise.
(find_func_by_profile_id): Likewise.
* value-range.cc (vrp_operand_equal_p): Likewise.
* value-range.h: Likewise.
* var-tracking.cc: Likewise.
* varasm.cc (default_function_section): Likewise.
(function_section_1): Likewise.
(assemble_variable): Likewise.
(handle_vtv_comdat_section): Likewise.
* vec.h (struct vec_prefix): Likewise.
* vmsdbgout.cc (full_name): Likewise.
* vtable-verify.cc: Likewise.
* vtable-verify.h (struct vtv_graph_node): Likewise.
* xcoffout.cc: Likewise.
* xcoffout.h (DEBUG_SYMS_TEXT): Likewise.
gcc/ada/ChangeLog:
* Make-generated.in: Rename .c names to .cc.
* adaint.c: Likewise.
* ctrl_c.c (dummy_handler): Likewise.
* gcc-interface/Makefile.in: Likewise.
* gcc-interface/config-lang.in: Likewise.
* gcc-interface/decl.cc (concat_name): Likewise.
(init_gnat_decl): Likewise.
* gcc-interface/gigi.h (concat_name): Likewise.
(init_gnat_utils): Likewise.
(build_call_raise_range): Likewise.
(gnat_mark_addressable): Likewise.
(gnat_protect_expr): Likewise.
(gnat_rewrite_reference): Likewise.
* gcc-interface/lang-specs.h (ADA_DUMPS_OPTIONS): Likewise.
* gcc-interface/utils.cc (GTY): Likewise.
(add_deferred_type_context): Likewise.
(init_gnat_utils): Likewise.
* gcc-interface/utils2.cc (gnat_stable_expr_p): Likewise.
(gnat_protect_expr): Likewise.
(gnat_stabilize_reference_1): Likewise.
(gnat_rewrite_reference): Likewise.
* gsocket.h: Likewise.
* init.cc (__gnat_error_handler): Likewise.
* libgnarl/s-intman.ads: Likewise.
* libgnarl/s-osinte__android.ads: Likewise.
* libgnarl/s-osinte__darwin.ads: Likewise.
* libgnarl/s-osinte__hpux.ads: Likewise.
* libgnarl/s-osinte__linux.ads: Likewise.
* libgnarl/s-osinte__qnx.ads: Likewise.
* libgnarl/s-taskin.ads: Likewise.
* rtfinal.cc: Likewise.
* s-oscons-tmplt.c (CND): Likewise.
* set_targ.ads: Likewise.
gcc/analyzer/ChangeLog:
* analyzer.cc (is_special_named_call_p): Rename .c names to .cc.
(is_named_call_p): Likewise.
* region-model-asm.cc (deterministic_p): Likewise.
* region.cc (field_region::get_relative_concrete_offset): Likewise.
* sm-malloc.cc (method_p): Likewise.
* supergraph.cc (superedge::dump_dot): Likewise.
gcc/c-family/ChangeLog:
* c-ada-spec.cc: Rename .c names to .cc.
* c-ada-spec.h: Likewise.
* c-common.cc (c_build_vec_convert): Likewise.
(warning_candidate_p): Likewise.
* c-common.h (enum rid): Likewise.
(build_real_imag_expr): Likewise.
(finish_label_address_expr): Likewise.
(c_get_substring_location): Likewise.
(c_build_bind_expr): Likewise.
(conflict_marker_get_final_tok_kind): Likewise.
(c_parse_error): Likewise.
(check_missing_format_attribute): Likewise.
(invalid_array_size_error): Likewise.
(warn_for_multistatement_macros): Likewise.
(build_attr_access_from_parms): Likewise.
* c-cppbuiltin.cc (c_cpp_builtins): Likewise.
* c-format.cc: Likewise.
* c-gimplify.cc (c_gimplify_expr): Likewise.
* c-indentation.h: Likewise.
* c-objc.h (objc_prop_attr_kind_for_rid): Likewise.
* c-omp.cc (c_omp_predetermined_mapping): Likewise.
* c-opts.cc (c_common_post_options): Likewise.
(set_std_cxx23): Likewise.
* c-pragma.cc (handle_pragma_redefine_extname): Likewise.
* c-pretty-print.h: Likewise.
gcc/c/ChangeLog:
* Make-lang.in: Rename .c names to .cc.
* c-convert.cc: Likewise.
* c-decl.cc (struct lang_identifier): Likewise.
(pop_scope): Likewise.
(finish_decl): Likewise.
* c-objc-common.h (GCC_C_OBJC_COMMON): Likewise.
* c-parser.cc (c_parser_skip_to_end_of_block_or_statement): Likewise.
* c-parser.h (GCC_C_PARSER_H): Likewise.
* c-tree.h (c_keyword_starts_typename): Likewise.
(finish_declspecs): Likewise.
(c_get_alias_set): Likewise.
(enum c_oracle_request): Likewise.
(tag_exists_p): Likewise.
(set_c_expr_source_range): Likewise.
* c-typeck.cc (c_common_type): Likewise.
(c_finish_omp_clauses): Likewise.
* config-lang.in: Likewise.
gcc/cp/ChangeLog:
* Make-lang.in: Rename .c names to .cc.
* config-lang.in: Likewise.
* constexpr.cc (cxx_eval_constant_expression): Likewise.
* coroutines.cc (morph_fn_to_coro): Likewise.
* cp-gimplify.cc (cp_gimplify_expr): Likewise.
* cp-lang.cc (struct lang_hooks): Likewise.
(get_template_argument_pack_elems_folded): Likewise.
* cp-objcp-common.cc (cp_tree_size): Likewise.
(cp_unit_size_without_reusable_padding): Likewise.
(pop_file_scope): Likewise.
(cp_pushdecl): Likewise.
* cp-objcp-common.h (GCC_CP_OBJCP_COMMON): Likewise.
(cxx_simulate_record_decl): Likewise.
* cp-tree.h (struct named_label_entry): Likewise.
(current_function_return_value): Likewise.
(more_aggr_init_expr_args_p): Likewise.
(get_function_version_dispatcher): Likewise.
(common_enclosing_class): Likewise.
(strip_fnptr_conv): Likewise.
(current_decl_namespace): Likewise.
(do_aggregate_paren_init): Likewise.
(cp_check_const_attributes): Likewise.
(qualified_name_lookup_error): Likewise.
(generic_targs_for): Likewise.
(mark_exp_read): Likewise.
(is_global_friend): Likewise.
(maybe_reject_flexarray_init): Likewise.
(module_token_lang): Likewise.
(handle_module_option): Likewise.
(literal_integer_zerop): Likewise.
(build_extra_args): Likewise.
(build_if_nonnull): Likewise.
(maybe_check_overriding_exception_spec): Likewise.
(finish_omp_target_clauses): Likewise.
(maybe_warn_zero_as_null_pointer_constant): Likewise.
(cxx_print_error_function): Likewise.
(decl_in_std_namespace_p): Likewise.
(merge_exception_specifiers): Likewise.
(mangle_module_global_init): Likewise.
(cxx_block_may_fallthru): Likewise.
(fold_builtin_source_location): Likewise.
(enum cp_oracle_request): Likewise.
(subsumes): Likewise.
(cp_finish_injected_record_type): Likewise.
(vtv_build_vtable_verify_fndecl): Likewise.
(cp_tree_c_finish_parsing): Likewise.
* cvt.cc (diagnose_ref_binding): Likewise.
(convert_to_void): Likewise.
(convert_force): Likewise.
(type_promotes_to): Likewise.
* decl.cc (make_unbound_class_template_raw): Likewise.
(cxx_init_decl_processing): Likewise.
(check_class_member_definition_namespace): Likewise.
(cxx_maybe_build_cleanup): Likewise.
* decl2.cc (maybe_emit_vtables): Likewise.
* error.cc (dump_function_name): Likewise.
* init.cc (is_class_type): Likewise.
(build_new_1): Likewise.
* lang-specs.h: Likewise.
* method.cc (make_alias_for_thunk): Likewise.
* module.cc (specialization_add): Likewise.
(module_state::read_cluster): Likewise.
* name-lookup.cc (check_extern_c_conflict): Likewise.
* name-lookup.h (struct cxx_binding): Likewise.
* parser.cc (cp_parser_identifier): Likewise.
* parser.h (struct cp_parser): Likewise.
* pt.cc (has_value_dependent_address): Likewise.
(push_tinst_level_loc): Likewise.
* semantics.cc (finish_omp_clauses): Likewise.
(finish_omp_atomic): Likewise.
* tree.cc (cp_save_expr): Likewise.
(cp_free_lang_data): Likewise.
* typeck.cc (cp_common_type): Likewise.
(strip_array_domain): Likewise.
(rationalize_conditional_expr): Likewise.
(check_return_expr): Likewise.
* vtable-class-hierarchy.cc: Likewise.
gcc/d/ChangeLog:
* d-gimplify.cc: Rename .c names to .cc.
* d-incpath.cc: Likewise.
* lang-specs.h: Likewise.
gcc/fortran/ChangeLog:
* check.cc (gfc_check_all_any): Rename .c names to .cc.
* class.cc (find_intrinsic_vtab): Likewise.
* config-lang.in: Likewise.
* cpp.cc (cpp_define_builtins): Likewise.
* data.cc (get_array_index): Likewise.
* decl.cc (match_clist_expr): Likewise.
(get_proc_name): Likewise.
(gfc_verify_c_interop_param): Likewise.
(gfc_get_pdt_instance): Likewise.
(gfc_match_formal_arglist): Likewise.
(gfc_get_type_attr_spec): Likewise.
* dependency.cc: Likewise.
* error.cc (gfc_format_decoder): Likewise.
* expr.cc (check_restricted): Likewise.
(gfc_build_default_init_expr): Likewise.
* f95-lang.cc: Likewise.
* gfc-internals.texi: Likewise.
* gfortran.h (enum match): Likewise.
(enum procedure_type): Likewise.
(enum oacc_routine_lop): Likewise.
(gfc_get_pdt_instance): Likewise.
(gfc_end_source_files): Likewise.
(gfc_mpz_set_hwi): Likewise.
(gfc_get_option_string): Likewise.
(gfc_find_sym_in_expr): Likewise.
(gfc_errors_to_warnings): Likewise.
(gfc_real_4_kind): Likewise.
(gfc_free_finalizer): Likewise.
(gfc_sym_get_dummy_args): Likewise.
(gfc_check_intrinsic_standard): Likewise.
(gfc_free_case_list): Likewise.
(gfc_resolve_oacc_routines): Likewise.
(gfc_check_vardef_context): Likewise.
(gfc_free_association_list): Likewise.
(gfc_implicit_pure_function): Likewise.
(gfc_ref_dimen_size): Likewise.
(gfc_compare_actual_formal): Likewise.
(gfc_resolve_wait): Likewise.
(gfc_dt_upper_string): Likewise.
(gfc_generate_module_code): Likewise.
(gfc_delete_bbt): Likewise.
(debug): Likewise.
(gfc_build_block_ns): Likewise.
(gfc_dep_difference): Likewise.
(gfc_invalid_null_arg): Likewise.
(gfc_is_finalizable): Likewise.
(gfc_fix_implicit_pure): Likewise.
(gfc_is_size_zero_array): Likewise.
(gfc_is_reallocatable_lhs): Likewise.
* gfortranspec.cc: Likewise.
* interface.cc (compare_actual_expr): Likewise.
* intrinsic.cc (add_functions): Likewise.
* iresolve.cc (gfc_resolve_matmul): Likewise.
(gfc_resolve_alarm_sub): Likewise.
* iso-c-binding.def: Likewise.
* lang-specs.h: Likewise.
* libgfortran.h (GFC_STDERR_UNIT_NUMBER): Likewise.
* match.cc (gfc_match_label): Likewise.
(gfc_match_symbol): Likewise.
(match_derived_type_spec): Likewise.
(copy_ts_from_selector_to_associate): Likewise.
* match.h (gfc_match_call): Likewise.
(gfc_get_common): Likewise.
(gfc_match_omp_end_single): Likewise.
(gfc_match_volatile): Likewise.
(gfc_match_bind_c): Likewise.
(gfc_match_literal_constant): Likewise.
(gfc_match_init_expr): Likewise.
(gfc_match_array_constructor): Likewise.
(gfc_match_end_interface): Likewise.
(gfc_match_print): Likewise.
(gfc_match_expr): Likewise.
* matchexp.cc (next_operator): Likewise.
* mathbuiltins.def: Likewise.
* module.cc (free_true_name): Likewise.
* openmp.cc (gfc_resolve_omp_parallel_blocks): Likewise.
(gfc_omp_save_and_clear_state): Likewise.
* parse.cc (parse_union): Likewise.
(set_syms_host_assoc): Likewise.
* resolve.cc (resolve_actual_arglist): Likewise.
(resolve_elemental_actual): Likewise.
(check_host_association): Likewise.
(resolve_typebound_function): Likewise.
(resolve_typebound_subroutine): Likewise.
(gfc_resolve_expr): Likewise.
(resolve_assoc_var): Likewise.
(resolve_typebound_procedures): Likewise.
(resolve_equivalence_derived): Likewise.
* simplify.cc (simplify_bound): Likewise.
* symbol.cc (gfc_set_default_type): Likewise.
(gfc_add_ext_attribute): Likewise.
* target-memory.cc (gfc_target_interpret_expr): Likewise.
* target-memory.h (gfc_target_interpret_expr): Likewise.
* trans-array.cc (gfc_get_cfi_dim_sm): Likewise.
(gfc_conv_shift_descriptor_lbound): Likewise.
(gfc_could_be_alias): Likewise.
(gfc_get_dataptr_offset): Likewise.
* trans-const.cc: Likewise.
* trans-decl.cc (trans_function_start): Likewise.
(gfc_trans_deferred_vars): Likewise.
(generate_local_decl): Likewise.
(gfc_generate_function_code): Likewise.
* trans-expr.cc (gfc_vptr_size_get): Likewise.
(gfc_trans_class_array_init_assign): Likewise.
(POWI_TABLE_SIZE): Likewise.
(gfc_conv_procedure_call): Likewise.
(gfc_trans_arrayfunc_assign): Likewise.
* trans-intrinsic.cc (gfc_conv_intrinsic_len): Likewise.
(gfc_conv_intrinsic_loc): Likewise.
(conv_intrinsic_event_query): Likewise.
* trans-io.cc (gfc_build_st_parameter): Likewise.
* trans-openmp.cc (gfc_omp_check_optional_argument): Likewise.
(gfc_omp_unshare_expr_r): Likewise.
(gfc_trans_omp_array_section): Likewise.
(gfc_trans_omp_clauses): Likewise.
* trans-stmt.cc (trans_associate_var): Likewise.
(gfc_trans_deallocate): Likewise.
* trans-stmt.h (gfc_trans_class_init_assign): Likewise.
(gfc_trans_deallocate): Likewise.
(gfc_trans_oacc_declare): Likewise.
* trans-types.cc: Likewise.
* trans-types.h (enum gfc_packed): Likewise.
* trans.cc (N_): Likewise.
(trans_code): Likewise.
* trans.h (gfc_build_compare_string): Likewise.
(gfc_conv_expr_type): Likewise.
(gfc_trans_deferred_vars): Likewise.
(getdecls): Likewise.
(gfc_get_array_descr_info): Likewise.
(gfc_omp_firstprivatize_type_sizes): Likewise.
(GTY): Likewise.
gcc/go/ChangeLog:
* config-lang.in: Rename .c names to .cc.
* go-backend.cc: Likewise.
* go-lang.cc: Likewise.
* gospec.cc: Likewise.
* lang-specs.h: Likewise.
gcc/jit/ChangeLog:
* config-lang.in: Rename .c names to .cc.
* docs/_build/texinfo/libgccjit.texi: Likewise.
* docs/internals/index.rst: Likewise.
* jit-builtins.cc (builtins_manager::make_builtin_function): Likewise.
* jit-playback.cc (fold_const_var): Likewise.
(playback::context::~context): Likewise.
(new_field): Likewise.
(new_bitfield): Likewise.
(new_compound_type): Likewise.
(playback::compound_type::set_fields): Likewise.
(global_set_init_rvalue): Likewise.
(load_blob_in_ctor): Likewise.
(new_global_initialized): Likewise.
(double>): Likewise.
(new_string_literal): Likewise.
(as_truth_value): Likewise.
(build_call): Likewise.
(playback::context::build_cast): Likewise.
(new_array_access): Likewise.
(new_field_access): Likewise.
(dereference): Likewise.
(postprocess): Likewise.
(add_jump): Likewise.
(add_switch): Likewise.
(build_goto_operands): Likewise.
(playback::context::read_dump_file): Likewise.
(init_types): Likewise.
* jit-recording.cc (recording::context::get_int_type): Likewise.
* jit-recording.h: Likewise.
* libgccjit.cc (compatible_types): Likewise.
(gcc_jit_context_acquire): Likewise.
(gcc_jit_context_release): Likewise.
(gcc_jit_context_new_child_context): Likewise.
(gcc_jit_type_as_object): Likewise.
(gcc_jit_context_get_type): Likewise.
(gcc_jit_context_get_int_type): Likewise.
(gcc_jit_type_get_pointer): Likewise.
(gcc_jit_type_get_const): Likewise.
(gcc_jit_type_get_volatile): Likewise.
(gcc_jit_type_dyncast_array): Likewise.
(gcc_jit_type_is_bool): Likewise.
(gcc_jit_type_is_pointer): Likewise.
(gcc_jit_type_is_integral): Likewise.
(gcc_jit_type_dyncast_vector): Likewise.
(gcc_jit_type_is_struct): Likewise.
(gcc_jit_vector_type_get_num_units): Likewise.
(gcc_jit_vector_type_get_element_type): Likewise.
(gcc_jit_type_unqualified): Likewise.
(gcc_jit_type_dyncast_function_ptr_type): Likewise.
(gcc_jit_function_type_get_return_type): Likewise.
(gcc_jit_function_type_get_param_count): Likewise.
(gcc_jit_function_type_get_param_type): Likewise.
(gcc_jit_context_new_array_type): Likewise.
(gcc_jit_context_new_field): Likewise.
(gcc_jit_field_as_object): Likewise.
(gcc_jit_context_new_struct_type): Likewise.
(gcc_jit_struct_as_type): Likewise.
(gcc_jit_struct_set_fields): Likewise.
(gcc_jit_struct_get_field_count): Likewise.
(gcc_jit_context_new_union_type): Likewise.
(gcc_jit_context_new_function_ptr_type): Likewise.
(gcc_jit_param_as_rvalue): Likewise.
(gcc_jit_context_new_function): Likewise.
(gcc_jit_function_get_return_type): Likewise.
(gcc_jit_function_dump_to_dot): Likewise.
(gcc_jit_block_get_function): Likewise.
(gcc_jit_global_set_initializer_rvalue): Likewise.
(gcc_jit_rvalue_get_type): Likewise.
(gcc_jit_context_new_rvalue_from_int): Likewise.
(gcc_jit_context_one): Likewise.
(gcc_jit_context_new_rvalue_from_double): Likewise.
(gcc_jit_context_null): Likewise.
(gcc_jit_context_new_string_literal): Likewise.
(valid_binary_op_p): Likewise.
(gcc_jit_context_new_binary_op): Likewise.
(gcc_jit_context_new_comparison): Likewise.
(gcc_jit_context_new_call): Likewise.
(is_valid_cast): Likewise.
(gcc_jit_context_new_cast): Likewise.
(gcc_jit_object_get_context): Likewise.
(gcc_jit_object_get_debug_string): Likewise.
(gcc_jit_lvalue_access_field): Likewise.
(gcc_jit_rvalue_access_field): Likewise.
(gcc_jit_rvalue_dereference_field): Likewise.
(gcc_jit_rvalue_dereference): Likewise.
(gcc_jit_lvalue_get_address): Likewise.
(gcc_jit_lvalue_set_tls_model): Likewise.
(gcc_jit_lvalue_set_link_section): Likewise.
(gcc_jit_function_new_local): Likewise.
(gcc_jit_block_add_eval): Likewise.
(gcc_jit_block_add_assignment): Likewise.
(is_bool): Likewise.
(gcc_jit_block_end_with_conditional): Likewise.
(gcc_jit_block_add_comment): Likewise.
(gcc_jit_block_end_with_jump): Likewise.
(gcc_jit_block_end_with_return): Likewise.
(gcc_jit_block_end_with_void_return): Likewise.
(case_range_validator::case_range_validator): Likewise.
(case_range_validator::validate): Likewise.
(case_range_validator::get_wide_int): Likewise.
(gcc_jit_block_end_with_switch): Likewise.
(gcc_jit_context_set_str_option): Likewise.
(gcc_jit_context_set_int_option): Likewise.
(gcc_jit_context_set_bool_option): Likewise.
(gcc_jit_context_set_bool_allow_unreachable_blocks): Likewise.
(gcc_jit_context_set_bool_use_external_driver): Likewise.
(gcc_jit_context_add_command_line_option): Likewise.
(gcc_jit_context_add_driver_option): Likewise.
(gcc_jit_context_enable_dump): Likewise.
(gcc_jit_context_compile): Likewise.
(gcc_jit_context_compile_to_file): Likewise.
(gcc_jit_context_set_logfile): Likewise.
(gcc_jit_context_dump_reproducer_to_file): Likewise.
(gcc_jit_context_get_first_error): Likewise.
(gcc_jit_context_get_last_error): Likewise.
(gcc_jit_result_get_code): Likewise.
(gcc_jit_result_get_global): Likewise.
(gcc_jit_rvalue_set_bool_require_tail_call): Likewise.
(gcc_jit_type_get_aligned): Likewise.
(gcc_jit_type_get_vector): Likewise.
(gcc_jit_function_get_address): Likewise.
(gcc_jit_version_patchlevel): Likewise.
(gcc_jit_block_add_extended_asm): Likewise.
(gcc_jit_extended_asm_as_object): Likewise.
(gcc_jit_extended_asm_set_volatile_flag): Likewise.
(gcc_jit_extended_asm_set_inline_flag): Likewise.
(gcc_jit_extended_asm_add_output_operand): Likewise.
(gcc_jit_extended_asm_add_input_operand): Likewise.
(gcc_jit_extended_asm_add_clobber): Likewise.
* notes.txt: Likewise.
gcc/lto/ChangeLog:
* config-lang.in: Rename .c names to .cc.
* lang-specs.h: Likewise.
* lto-common.cc (gimple_register_canonical_type_1): Likewise.
* lto-common.h: Likewise.
* lto-dump.cc (lto_main): Likewise.
* lto-lang.cc (handle_fnspec_attribute): Likewise.
(lto_getdecls): Likewise.
(lto_init): Likewise.
* lto.cc (lto_main): Likewise.
* lto.h: Likewise.
gcc/objc/ChangeLog:
* Make-lang.in: Rename .c names to .cc.
* config-lang.in: Likewise.
* lang-specs.h: Likewise.
* objc-act.cc (objc_build_component_ref): Likewise.
(objc_copy_binfo): Likewise.
(lookup_method_in_hash_lists): Likewise.
(objc_finish_foreach_loop): Likewise.
* objc-act.h (objc_common_init_ts): Likewise.
* objc-gnu-runtime-abi-01.cc: Likewise.
* objc-lang.cc (struct lang_hooks): Likewise.
* objc-map.cc: Likewise.
* objc-next-runtime-abi-01.cc (generate_objc_symtab_decl): Likewise.
* objc-runtime-shared-support.cc: Likewise.
* objc-runtime-shared-support.h (build_protocol_initializer): Likewise.
gcc/objcp/ChangeLog:
* Make-lang.in: Rename .c names to .cc.
* config-lang.in: Likewise.
* lang-specs.h: Likewise.
* objcp-decl.cc (objcp_end_compound_stmt): Likewise.
* objcp-lang.cc (struct lang_hooks): Likewise.
gcc/po/ChangeLog:
* EXCLUDES: Rename .c names to .cc.
libcpp/ChangeLog:
* Makefile.in: Rename .c names to .cc.
* charset.cc (convert_escape): Likewise.
* directives.cc (directive_diagnostics): Likewise.
(_cpp_handle_directive): Likewise.
(lex_macro_node): Likewise.
* include/cpplib.h (struct _cpp_file): Likewise.
(PURE_ZERO): Likewise.
(cpp_defined): Likewise.
(cpp_error_at): Likewise.
(cpp_forall_identifiers): Likewise.
(cpp_compare_macros): Likewise.
(cpp_get_converted_source): Likewise.
(cpp_read_state): Likewise.
(cpp_directive_only_process): Likewise.
(struct cpp_decoded_char): Likewise.
* include/line-map.h (enum lc_reason): Likewise.
(enum location_aspect): Likewise.
* include/mkdeps.h: Likewise.
* init.cc (cpp_destroy): Likewise.
(cpp_finish): Likewise.
* internal.h (struct cpp_reader): Likewise.
(_cpp_defined_macro_p): Likewise.
(_cpp_backup_tokens_direct): Likewise.
(_cpp_destroy_hashtable): Likewise.
(_cpp_has_header): Likewise.
(_cpp_expand_op_stack): Likewise.
(_cpp_commit_buff): Likewise.
(_cpp_restore_special_builtin): Likewise.
(_cpp_bracket_include): Likewise.
(_cpp_replacement_text_len): Likewise.
(ufputs): Likewise.
* line-map.cc (linemap_macro_loc_to_exp_point): Likewise.
(linemap_check_files_exited): Likewise.
(line_map_new_raw): Likewise.
* traditional.cc (enum ls): Likewise.
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