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> I've tried to add the saving/restoring next to ipa refs saving/restoring, as
> the declare variant alt stuff is kind of extension of those, unfortunately
> following doesn't compile, because I need to also write or read a tree there
> (ctx is a portion of DECL_ATTRIBUTES of the base function), but the ipa refs
> write/read back functions don't have arguments that can be used for that.
This patch adds the streaming out and in of those omp_declare_variant_alt
hash table on the side data for the declare_variant_alt cgraph_nodes and
treats for LTO purposes the declare_variant_alt nodes (which have no body)
as if they contained a body that calls all the possible variants.
After IPA all the calls to these magic declare_variant_alt calls are
replaced with call to one of the variant depending on which one has the
highest score in the context.
2020-10-28 Jakub Jelinek <jakub@redhat.com>
PR lto/96680
gcc/
* lto-streamer.h (omp_lto_output_declare_variant_alt,
omp_lto_input_declare_variant_alt): Declare variant.
* symtab.c (symtab_node::get_partitioning_class): Return
SYMBOL_DUPLICATE for declare_variant_alt nodes.
* passes.c (ipa_write_summaries): Add declare_variant_alt to
partition.
* lto-cgraph.c (output_refs): Call omp_lto_output_declare_variant_alt
on declare_variant_alt nodes.
(input_refs): Call omp_lto_input_declare_variant_alt on
declare_variant_alt nodes.
* lto-streamer-out.c (output_function): Don't call
collect_block_tree_leafs if DECL_INITIAL is error_mark_node.
(lto_output): Call output_function even for declare_variant_alt
nodes.
* omp-general.c (omp_lto_output_declare_variant_alt,
omp_lto_input_declare_variant_alt): New functions.
gcc/lto/
* lto-common.c (lto_fixup_prevailing_decls): Don't use
LTO_NO_PREVAIL on TREE_LIST's TREE_PURPOSE.
* lto-partition.c (lto_balanced_map): Treat declare_variant_alt
nodes like definitions.
libgomp/
* testsuite/libgomp.c/declare-variant-1.c: New test.
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2020-09-19 David Cepelik <d@dcepelik.cz>
Jan Hubicka <hubicka@ucw.cz>
* Makefile.in: Add ipa-modref.c and ipa-modref-tree.c.
* alias.c: (reference_alias_ptr_type_1): Export.
* alias.h (reference_alias_ptr_type_1): Declare.
* common.opt (fipa-modref): New.
* gengtype.c (open_base_files): Add ipa-modref-tree.h and ipa-modref.h
* ipa-modref-tree.c: New file.
* ipa-modref-tree.h: New file.
* ipa-modref.c: New file.
* ipa-modref.h: New file.
* lto-section-in.c (lto_section_name): Add ipa_modref.
* lto-streamer.h (enum lto_section_type): Add LTO_section_ipa_modref.
* opts.c (default_options_table): Enable ipa-modref at -O1+.
* params.opt (-param=modref-max-bases, -param=modref-max-refs,
-param=modref-max-tests): New params.
* passes.def: Schedule pass_modref and pass_ipa_modref.
* timevar.def (TV_IPA_MODREF): New timevar.
(TV_TREE_MODREF): New timevar.
* tree-pass.h (make_pass_modref): Declare.
(make_pass_ipa_modref): Declare.
* tree-ssa-alias.c (dump_alias_stats): Include ipa-modref-tree.h
and ipa-modref.h
(alias_stats): Add modref_use_may_alias, modref_use_no_alias,
modref_clobber_may_alias, modref_clobber_no_alias, modref_tests.
(dump_alias_stats): Dump new stats.
(nonoverlapping_array_refs_p): Fix formating.
(modref_may_conflict): New function.
(ref_maybe_used_by_call_p_1): Use it.
(call_may_clobber_ref_p_1): Use it.
(call_may_clobber_ref_p): Update.
(stmt_may_clobber_ref_p_1): Update.
* tree-ssa-alias.h (call_may_clobber_ref_p_1): Update.
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and adjust relative paths [PR93865]
If the gcc -c -flto ... commands to compile some or all objects are run in a
different directory (or in different directories) from the directory in
which the gcc -flto link line is invoked, then the .debug_line will be
incorrect if there are any relative filenames, it will use those relative
filenames while .debug_info will contain a different DW_AT_comp_dir.
The following patch streams (at most once after each clear_line_info)
the current working directory (what we record in DW_AT_comp_dir) when
encountering the first relative pathname, and when reading the location info
reads it back and if the current working directory at that point is
different from the saved one, adjusts relative paths by adding a relative
prefix how to go from the current working directory to the previously saved
path (with a fallback e.g. for DOS e:\\foo vs. d:\\bar change to use
absolute directory).
2020-09-10 Jakub Jelinek <jakub@redhat.com>
PR debug/93865
* lto-streamer.h (struct output_block): Add emit_pwd member.
* lto-streamer-out.c: Include toplev.h.
(clear_line_info): Set emit_pwd.
(lto_output_location_1): Encode the ob->current_file != xloc.file
bit directly into the location number. If changing file, emit
additionally a bit whether pwd is emitted and emit it before the
first relative pathname since clear_line_info.
(output_function, output_constructor): Don't call clear_line_info
here.
* lto-streamer-in.c (struct string_pair_map): New type.
(struct string_pair_map_hasher): New type.
(string_pair_map_hasher::hash): New method.
(string_pair_map_hasher::equal): New method.
(path_name_pair_hash_table, string_pair_map_allocator): New variables.
(relative_path_prefix, canon_relative_path_prefix,
canon_relative_file_name): New functions.
(canon_file_name): Add relative_prefix argument, if non-NULL
and string is a relative path, return canon_relative_file_name.
(lto_location_cache::input_location_and_block): Decode file change
bit from the location number. If changing file, unpack bit whether
pwd is streamed and stream in pwd. Adjust canon_file_name caller.
(lto_free_file_name_hash): Delete path_name_pair_hash_table
and string_pair_map_allocator.
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As discussed yesterday, stream_input_location_now has been used in 3
remaining places. For ERT_MUST_NOT_THROW, I believe the failure_loc
location is stable at least until the apply_cache after the bbs are all
read, and the locations do not include BLOCK, so we can use normal
stream_input_location, and the two input_struct_function_base also
shouldn't include BLOCK and are stable at least until that same apply_cache
after reading all bbs, so again we can use the location cache.
2020-09-04 Jakub Jelinek <jakub@redhat.com>
* lto-streamer.h (stream_input_location_now): Remove declaration.
* lto-streamer-in.c (stream_input_location_now): Remove.
(input_eh_region, input_struct_function_base): Use
stream_input_location instead of stream_input_location_now.
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As discussed yesterday:
On the streamer out side, we call clear_line_info
in multiple spots which resets the current_* values to something, but on the
reader side, we don't have corresponding resets in the same location, just have
the stream_* static variables that keep the current values through the
entire stream in (so across all the clear_line_info spots in a single LTO
object but also across jumping from one LTO object to another one).
Now, in an earlier version of my patch it actually broke LTO bootstrap
(and a lot of LTO testcases), so for the BLOCK case I've solved it by
clear_line_info setting current_block to something that should never appear,
which means that in the LTO stream after the clear_line_info spots including
the start of the LTO stream we force the block change bit to be set and thus
BLOCK to be streamed and therefore stream_block from earlier to be
ignored. But for the rest I think that is not the case, so I wonder if we
don't sometimes end up with wrong line/column info because of that, or
please tell me what prevents that.
clear_line_info does:
ob->current_file = NULL;
ob->current_line = 0;
ob->current_col = 0;
ob->current_sysp = false;
while I think NULL current_file is something that should likely be different
from expanded_location (...).file (UNKNOWN_LOCATION/BUILTINS_LOCATION are
handled separately and not go through the caching), I think line number 0
can sometimes occur and especially column 0 occurs frequently if we ran out
of location_t with columns info. But then we do:
bp_pack_value (bp, ob->current_file != xloc.file, 1);
bp_pack_value (bp, ob->current_line != xloc.line, 1);
bp_pack_value (bp, ob->current_col != xloc.column, 1);
and stream the details only if the != is true. If that happens immediately
after clear_line_info and e.g. xloc.column is 0, we would stream 0 bit and
not stream the actual value, so on read-in it would reuse whatever
stream_col etc. were before. Shouldn't we set some ob->current_* new bit
that would signal we are immediately past clear_line_info which would force
all these != checks to non-zero? Either by oring something into those
tests, or perhaps:
if (ob->current_reset)
{
if (xloc.file == NULL)
ob->current_file = "";
if (xloc.line == 0)
ob->current_line = 1;
if (xloc.column == 0)
ob->current_column = 1;
ob->current_reset = false;
}
before doing those bp_pack_value calls with a comment, effectively forcing
all 6 != comparisons to be true?
2020-09-04 Jakub Jelinek <jakub@redhat.com>
* lto-streamer.h (struct output_block): Add reset_locus member.
* lto-streamer-out.c (clear_line_info): Set reset_locus to true.
(lto_output_location_1): If reset_locus, clear it and ensure
current_{file,line,col} is different from xloc members.
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As mentioned in the PR, when compiling valgrind even on fairly small
testcase where in one larger function the location keeps oscillating
between a small line number and 8000-ish line number in the same file
we very quickly run out of all possible location_t numbers and because of
that emit non-sensical line numbers in .debug_line.
There are ways how to decrease speed of depleting location_t numbers
in libcpp, but the main reason of this is that we use
stream_input_location_now for streaming in location_t for gimple_location
and phi arg locations. libcpp strongly prefers that the locations
it is given are sorted by the different files and by line numbers in
ascending order, otherwise it depletes quickly no matter what and is much
more costly (many extra file changes etc.).
The reason for not caching those were the BLOCKs that were streamed
immediately after the location and encoded into the locations (and for PHIs
we failed to stream the BLOCKs altogether).
This patch enhances the location cache to handle also BLOCKs (but not for
everything, only for the spots we care about the BLOCKs) and also optimizes
the size of the LTO stream by emitting a single bit into a pack whether the
BLOCK changed from last case and only streaming the BLOCK tree if it
changed.
2020-09-03 Jakub Jelinek <jakub@redhat.com>
PR lto/94311
* gimple.h (gimple_location_ptr, gimple_phi_arg_location_ptr): New
functions.
* streamer-hooks.h (struct streamer_hooks): Add
output_location_and_block callback. Fix up formatting for
output_location.
(stream_output_location_and_block): Define.
* lto-streamer.h (class lto_location_cache): Fix comment typo. Add
current_block member.
(lto_location_cache::input_location_and_block): New method.
(lto_location_cache::lto_location_cache): Initialize current_block.
(lto_location_cache::cached_location): Add block member.
(struct output_block): Add current_block member.
(lto_output_location): Formatting fix.
(lto_output_location_and_block): Declare.
* lto-streamer.c (lto_streamer_hooks_init): Initialize
streamer_hooks.output_location_and_block.
* lto-streamer-in.c (lto_location_cache::cmp_loc): Also compare
block members.
(lto_location_cache::apply_location_cache): Handle blocks.
(lto_location_cache::accept_location_cache,
lto_location_cache::revert_location_cache): Fix up function comments.
(lto_location_cache::input_location_and_block): New method.
(lto_location_cache::input_location): Implement using
input_location_and_block.
(input_function): Invoke apply_location_cache after streaming in all
bbs.
* lto-streamer-out.c (clear_line_info): Set current_block.
(lto_output_location_1): New function, moved from lto_output_location,
added block handling.
(lto_output_location): Implement using lto_output_location_1.
(lto_output_location_and_block): New function.
* gimple-streamer-in.c (input_phi): Use input_location_and_block
to input and cache both location and block.
(input_gimple_stmt): Likewise.
* gimple-streamer-out.c (output_phi): Use
stream_output_location_and_block.
(output_gimple_stmt): Likewise.
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This patch removes the generation of HSAIL from the compiler, the HSA
offloading plugin from libgomp and the associated testsuite tests and
infrastructure bits from the respective testsuites.
Apart from removal of the obvious files, I removed bits that I found
by searching for HSA related terms and by re-tracing my steps and
looking at the patches that introduced HSA in the first place. I did
not remove everything these patches brought in, for example:
- the mechanism to pass offload-target specific info from the application to
the offloading plugin - but the same mechanism is also used to
communicate number of teams and the thread limit to all offload targets.
- run_func hook in gomp_device_descr stays too, although now it is
not used. If some future offload target would like the ability to
refuse to offload some functions, it can use it. It is easy to
remove as a follow-up if it is considered clutter, though.
- configure options --with-hsa-runtime=PATH, -with-hsa-runtime-include=PATH
and --with-hsa-runtime-lib=PATH rmeain because GCN uses them too.
- Surprisingly, GOMP_TARGET_ARG_HSA_KERNEL_ATTRIBUTES (a constant
from gomp-constants.h) appears in the source of the amdgcn libgomp
plugin, although I tend to think that code path is not ever used
and this patch certainly removes it from the compiler.
Nevertheless, it seems it has potential value beyond HSAIL and so
I've kept it, it can of course always be easily removed in the
future of GCN folk abandon it too.
- I assume constants OFFLOAD_TARGET_TYPE_HSA and GOMP_DEVICE_HSA
need to stay indefinitely too just so that no future offload
target picks that number.
- I have kept dg-require-effective-target
offload_device_nonshared_as requirement of thests which have it.
It is quite probable I missed some small HSA artifacts but those
should be easy to remove later as we find them.
include/ChangeLog:
2020-07-24 Martin Jambor <mjambor@suse.cz>
* gomp-constants.h (GOMP_VERSION_HSA): Remove.
gcc/ChangeLog:
2020-07-24 Martin Jambor <mjambor@suse.cz>
* hsa-brig-format.h: Moved to brig/brigfrontend.
* hsa-brig.c: Removed.
* hsa-builtins.def: Likewise.
* hsa-common.c: Likewise.
* hsa-common.h: Likewise.
* hsa-dump.c: Likewise.
* hsa-gen.c: Likewise.
* hsa-regalloc.c: Likewise.
* ipa-hsa.c: Likewise.
* omp-grid.c: Likewise.
* omp-grid.h: Likewise.
* Makefile.in (BUILTINS_DEF): Remove hsa-builtins.def.
(OBJS): Remove hsa-common.o, hsa-gen.o, hsa-regalloc.o, hsa-brig.o,
hsa-dump.o, ipa-hsa.c and omp-grid.o.
(GTFILES): Removed hsa-common.c and omp-expand.c.
* builtins.def: Remove processing of hsa-builtins.def.
(DEF_HSA_BUILTIN): Remove.
* common.opt (flag_disable_hsa): Remove.
(-Whsa): Ignore.
* config.in (ENABLE_HSA): Removed.
* configure.ac: Removed handling configuration for hsa offloading.
(ENABLE_HSA): Removed.
* configure: Regenerated.
* doc/install.texi (--enable-offload-targets): Remove hsa from the
example.
(--with-hsa-runtime): Reword to reference any HSA run-time, not
specifically HSA offloading.
* doc/invoke.texi (Option Summary): Remove -Whsa.
(Warning Options): Likewise.
(Optimize Options): Remove hsa-gen-debug-stores.
* doc/passes.texi (Regular IPA passes): Remove section on IPA HSA
pass.
* gimple-low.c (lower_stmt): Remove GIMPLE_OMP_GRID_BODY case.
* gimple-pretty-print.c (dump_gimple_omp_for): Likewise.
(dump_gimple_omp_block): Likewise.
(pp_gimple_stmt_1): Likewise.
* gimple-walk.c (walk_gimple_stmt): Likewise.
* gimple.c (gimple_build_omp_grid_body): Removed function.
(gimple_copy): Remove GIMPLE_OMP_GRID_BODY case.
* gimple.def (GIMPLE_OMP_GRID_BODY): Removed.
* gimple.h (gf_mask): Removed GF_OMP_PARALLEL_GRID_PHONY,
OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY,
GF_OMP_FOR_GRID_INTRA_GROUP, GF_OMP_FOR_GRID_GROUP_ITER and
GF_OMP_TEAMS_GRID_PHONY. Renumbered GF_OMP_FOR_KIND_SIMD and
GF_OMP_TEAMS_HOST.
(gimple_build_omp_grid_body): Removed declaration.
(gimple_has_substatements): Remove GIMPLE_OMP_GRID_BODY case.
(gimple_omp_for_grid_phony): Removed.
(gimple_omp_for_set_grid_phony): Likewise.
(gimple_omp_for_grid_intra_group): Likewise.
(gimple_omp_for_grid_intra_group): Likewise.
(gimple_omp_for_grid_group_iter): Likewise.
(gimple_omp_for_set_grid_group_iter): Likewise.
(gimple_omp_parallel_grid_phony): Likewise.
(gimple_omp_parallel_set_grid_phony): Likewise.
(gimple_omp_teams_grid_phony): Likewise.
(gimple_omp_teams_set_grid_phony): Likewise.
(CASE_GIMPLE_OMP): Remove GIMPLE_OMP_GRID_BODY case.
* lto-section-in.c (lto_section_name): Removed hsa.
* lto-streamer.h (lto_section_type): Removed LTO_section_ipa_hsa.
* lto-wrapper.c (compile_images_for_offload_targets): Remove special
handling of hsa.
* omp-expand.c: Do not include hsa-common.h and gt-omp-expand.h.
(parallel_needs_hsa_kernel_p): Removed.
(grid_launch_attributes_trees): Likewise.
(grid_launch_attributes_trees): Likewise.
(grid_create_kernel_launch_attr_types): Likewise.
(grid_insert_store_range_dim): Likewise.
(grid_get_kernel_launch_attributes): Likewise.
(get_target_arguments): Remove code passing HSA grid sizes.
(grid_expand_omp_for_loop): Remove.
(grid_arg_decl_map): Likewise.
(grid_remap_kernel_arg_accesses): Likewise.
(grid_expand_target_grid_body): Likewise.
(expand_omp): Remove call to grid_expand_target_grid_body.
(omp_make_gimple_edges): Remove GIMPLE_OMP_GRID_BODY case.
* omp-general.c: Do not include hsa-common.h.
(omp_maybe_offloaded): Do not check for HSA offloading.
(omp_context_selector_matches): Likewise.
* omp-low.c: Do not include hsa-common.h and omp-grid.h.
(build_outer_var_ref): Remove handling of GIMPLE_OMP_GRID_BODY.
(scan_sharing_clauses): Remove handling of OMP_CLAUSE__GRIDDIM_.
(scan_omp_parallel): Remove handling of the phoney variant.
(check_omp_nesting_restrictions): Remove handling of
GIMPLE_OMP_GRID_BODY and GF_OMP_FOR_KIND_GRID_LOOP.
(scan_omp_1_stmt): Remove handling of GIMPLE_OMP_GRID_BODY.
(lower_omp_for_lastprivate): Remove handling of gridified loops.
(lower_omp_for): Remove phony loop handling.
(lower_omp_taskreg): Remove phony construct handling.
(lower_omp_teams): Likewise.
(lower_omp_grid_body): Removed.
(lower_omp_1): Remove GIMPLE_OMP_GRID_BODY case.
(execute_lower_omp): Do not call omp_grid_gridify_all_targets.
* opts.c (common_handle_option): Do not handle hsa when processing
OPT_foffload_.
* params.opt (hsa-gen-debug-stores): Remove.
* passes.def: Remove pass_ipa_hsa and pass_gen_hsail.
* timevar.def: Remove TV_IPA_HSA.
* toplev.c: Do not include hsa-common.h.
(compile_file): Do not call hsa_output_brig.
* tree-core.h (enum omp_clause_code): Remove OMP_CLAUSE__GRIDDIM_.
(tree_omp_clause): Remove union field dimension.
* tree-nested.c (convert_nonlocal_omp_clauses): Remove the
OMP_CLAUSE__GRIDDIM_ case.
(convert_local_omp_clauses): Likewise.
* tree-pass.h (make_pass_gen_hsail): Remove declaration.
(make_pass_ipa_hsa): Likewise.
* tree-pretty-print.c (dump_omp_clause): Remove GIMPLE_OMP_GRID_BODY
case.
* tree.c (omp_clause_num_ops): Remove the element corresponding to
OMP_CLAUSE__GRIDDIM_.
(omp_clause_code_name): Likewise.
(walk_tree_1): Remove GIMPLE_OMP_GRID_BODY case.
* tree.h (OMP_CLAUSE__GRIDDIM__DIMENSION): Remove.
(OMP_CLAUSE__GRIDDIM__SIZE): Likewise.
(OMP_CLAUSE__GRIDDIM__GROUP): Likewise.
gcc/fortran/ChangeLog:
2020-07-24 Martin Jambor <mjambor@suse.cz>
* f95-lang.c (gfc_init_builtin_functions): Remove processing of
hsa-builtins.def.
gcc/brig/ChangeLog:
2020-07-24 Martin Jambor <mjambor@suse.cz>
* brigfrontend/brig-util.h (hsa_type_packed_p): Declared.
* brigfrontend/brig-util.cc (hsa_type_packed_p): Moved here from
removed gcc/hsa-common.c.
libgomp/ChangeLog:
2020-07-24 Martin Jambor <mjambor@suse.cz>
* plugin/Makefrag.am: Remove configuration of HSA plugin.
* aclocal.m4: Regenerated.
* Makefile.in: Regenerated.
* config.h.in: Regenerated.
* configure: Regenerated.
* plugin/configfrag.ac: Likewise.
* plugin/hsa_ext_finalize.h: Removed.
* plugin/plugin-hsa.c: Likewise.
* testsuite/Makefile.in: Regenerated.
* testsuite/lib/libgomp.exp
(offload_target_to_openacc_device_type): Remove hsa case.
(check_effective_target_hsa_offloading_selected_nocache): Removed
(check_effective_target_hsa_offloading_selected): Likewise.
(libgomp_init): Do not add -Wno-hsa to additional_flags.
* testsuite/libgomp.hsa.c/alloca-1.c: Removed test.
* testsuite/libgomp.hsa.c/bitfield-1.c: Likewise.
* testsuite/libgomp.hsa.c/bits-insns.c: Likewise.
* testsuite/libgomp.hsa.c/builtins-1.c: Likewise.
* testsuite/libgomp.hsa.c/c.exp: Likewise.
* testsuite/libgomp.hsa.c/complex-1.c: Likewise.
* testsuite/libgomp.hsa.c/complex-align-2.c: Likewise.
* testsuite/libgomp.hsa.c/formal-actual-args-1.c: Likewise.
* testsuite/libgomp.hsa.c/function-call-1.c: Likewise.
* testsuite/libgomp.hsa.c/get-level-1.c: Likewise.
* testsuite/libgomp.hsa.c/gridify-1.c: Likewise.
* testsuite/libgomp.hsa.c/gridify-2.c: Likewise.
* testsuite/libgomp.hsa.c/gridify-3.c: Likewise.
* testsuite/libgomp.hsa.c/gridify-4.c: Likewise.
* testsuite/libgomp.hsa.c/memory-operations-1.c: Likewise.
* testsuite/libgomp.hsa.c/pr69568.c: Likewise.
* testsuite/libgomp.hsa.c/pr82416.c: Likewise.
* testsuite/libgomp.hsa.c/rotate-1.c: Likewise.
* testsuite/libgomp.hsa.c/staticvar.c: Likewise.
* testsuite/libgomp.hsa.c/switch-1.c: Likewise.
* testsuite/libgomp.hsa.c/switch-branch-1.c: Likewise.
* testsuite/libgomp.hsa.c/switch-sbr-2.c: Likewise.
* testsuite/libgomp.hsa.c/tiling-1.c: Likewise.
* testsuite/libgomp.hsa.c/tiling-2.c: Likewise.
gcc/testsuite/ChangeLog:
2020-07-24 Martin Jambor <mjambor@suse.cz>
* lib/target-supports.exp (check_effective_target_offload_hsa):
Removed.
* c-c++-common/gomp/gridify-1.c: Removed test.
* c-c++-common/gomp/gridify-2.c: Likewise.
* c-c++-common/gomp/gridify-3.c: Likewise.
* c-c++-common/gomp/hsa-indirect-call-1.c: Likewise.
* gfortran.dg/gomp/gridify-1.f90: Likewise.
* gcc.dg/gomp/gomp.exp: Do not pass -Wno-hsa to tests.
* g++.dg/gomp/gomp.exp: Likewise.
* gfortran.dg/gomp/gomp.exp: Likewise.
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it turns out that half of the global decl stream of cc1 LTO build consits
TREE_LISTS, identifiers and integer cosntats representing TYPE_VALUES of enums.
Those are streamed only to produce ODR warning and used otherwise, so this
patch moves the info to a separate section that is represented and streamed
more effectively.
This also adds place for more info that may be used for ODR diagnostics
(i.e. at the moment we do not warn when the declarations differs i.e. by the
associated member functions and their types) and the type inheritance graph
rather then poluting the global stream.
I was bit unsure what enums we want to store into the section. All parsed
enums is probably too expensive, only those enums streamed to represent IL is
bit hard to get, so I went for those seen by free lang data.
As a plus we now get bit more precise warning because also the location of
mismatched enum CONST_DECL is streamed.
It changes:
[WPA] read 4608466 unshared trees
[WPA] read 2942094 mergeable SCCs of average size 1.365328
[WPA] 8625389 tree bodies read in total
[WPA] tree SCC table: size 524287, 247652 elements, collision ratio: 0.383702
[WPA] tree SCC max chain length 2 (size 1)
[WPA] Compared 2694442 SCCs, 228 collisions (0.000085)
[WPA] Merged 2694419 SCCs
[WPA] Merged 3731982 tree bodies
[WPA] Merged 633335 types
[WPA] 122077 types prevailed (155548 associated trees)
...
[WPA] Compression: 110593119 input bytes, 287696614 uncompressed bytes (ratio: 2.601397)
[WPA] Size of mmap'd section decls: 85628556 bytes
[WPA] Size of mmap'd section function_body: 13842928 bytes
[WPA] read 1720989 unshared trees
[WPA] read 1252217 mergeable SCCs of average size 1.858507
[WPA] 4048243 tree bodies read in total
[WPA] tree SCC table: size 524287, 226524 elements, collision ratio: 0.491759
[WPA] tree SCC max chain length 2 (size 1)
[WPA] Compared 1025693 SCCs, 196 collisions (0.000191)
[WPA] Merged 1025670 SCCs
[WPA] Merged 2063373 tree bodies
[WPA] Merged 633497 types
[WPA] 122299 types prevailed (155827 associated trees)
...
[WPA] Compression: 103428770 input bytes, 281151423 uncompressed bytes (ratio: 2.718310)
[WPA] Size of mmap'd section decls: 49390917 bytes
[WPA] Size of mmap'd section function_body: 13858258 bytes
...
[WPA] Size of mmap'd section odr_types: 29054816 bytes
So number of SCCs streamed drops to 38% and the number of unshared trees (that
are bit misnamed since it is mostly integer_cst) to 37%.
Things speeds up correspondingly, but I did not save time report from previous
build.
The enum values are still quite surprisingly large. I may take a look into
ways getting it smaller incrementally, but it streams reasonably fast:
Time variable usr sys wall GGC
phase opt and generate : 25.20 ( 68%) 10.88 ( 72%) 36.13 ( 69%) 868060 kB ( 52%)
phase stream in : 4.46 ( 12%) 0.90 ( 6%) 5.38 ( 10%) 790724 kB ( 48%)
phase stream out : 6.69 ( 18%) 3.32 ( 22%) 10.03 ( 19%) 8 kB ( 0%)
ipa lto gimple in : 0.79 ( 2%) 1.86 ( 12%) 2.39 ( 5%) 252612 kB ( 15%)
ipa lto gimple out : 2.48 ( 7%) 0.78 ( 5%) 3.26 ( 6%) 0 kB ( 0%)
ipa lto decl in : 1.71 ( 5%) 0.46 ( 3%) 2.34 ( 4%) 417883 kB ( 25%)
ipa lto decl out : 3.28 ( 9%) 0.07 ( 0%) 3.27 ( 6%) 0 kB ( 0%)
whopr wpa I/O : 0.40 ( 1%) 2.24 ( 15%) 2.77 ( 5%) 8 kB ( 0%)
lto stream decompression : 1.38 ( 4%) 0.31 ( 2%) 1.36 ( 3%) 0 kB ( 0%)
ipa ODR types : 0.18 ( 0%) 0.02 ( 0%) 0.25 ( 0%) 0 kB ( 0%)
ipa inlining heuristics : 11.64 ( 31%) 1.45 ( 10%) 13.12 ( 25%) 453160 kB ( 27%)
ipa pure const : 1.74 ( 5%) 0.00 ( 0%) 1.76 ( 3%) 0 kB ( 0%)
ipa icf : 1.72 ( 5%) 5.33 ( 35%) 7.06 ( 13%) 16593 kB ( 1%)
whopr partitioning : 2.22 ( 6%) 0.01 ( 0%) 2.23 ( 4%) 5689 kB ( 0%)
TOTAL : 37.17 15.20 52.46 1660886 kB
LTO-bootstrapped/regtested x86_64-linux, will comit it shortly.
gcc/ChangeLog:
2020-06-03 Jan Hubicka <hubicka@ucw.cz>
* ipa-devirt.c: Include data-streamer.h, lto-streamer.h and
streamer-hooks.h.
(odr_enums): New static var.
(struct odr_enum_val): New struct.
(class odr_enum): New struct.
(odr_enum_map): New hashtable.
(odr_types_equivalent_p): Drop code testing TYPE_VALUES.
(add_type_duplicate): Likewise.
(free_odr_warning_data): Do not free TYPE_VALUES.
(register_odr_enum): New function.
(ipa_odr_summary_write): New function.
(ipa_odr_read_section): New function.
(ipa_odr_summary_read): New function.
(class pass_ipa_odr): New pass.
(make_pass_ipa_odr): New function.
* ipa-utils.h (register_odr_enum): Declare.
* lto-section-in.c: (lto_section_name): Add odr_types section.
* lto-streamer.h (enum lto_section_type): Add odr_types section.
* passes.def: Add odr_types pass.
* lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream
TYPE_VALUES.
(hash_tree): Likewise.
* tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
Likewise.
* tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
Likewise.
* timevar.def (TV_IPA_ODR): New timervar.
* tree-pass.h (make_pass_ipa_odr): Declare.
* tree.c (free_lang_data_in_type): Regiser ODR types.
gcc/lto/ChangeLog:
2020-06-03 Jan Hubicka <hubicka@ucw.cz>
* lto-common.c (compare_tree_sccs_1): Do not compare TYPE_VALUES.
gcc/testsuite/ChangeLog:
2020-06-03 Jan Hubicka <hubicka@ucw.cz>
* g++.dg/lto/pr84805_0.C: Update.
|
|
this patch cleanups a bit the way LTO tags are assigned (so we do not use magic
numbers of 2) and reorders them approximately by their frequency so the stream
gets little bit smaller because of uleb coding.
From:
[WPA] Compression: 111213968 input bytes, 293801489 uncompressed bytes (ratio: 2.641768)
[WPA] Size of mmap'd section decls: 85983129 bytes
[WPA] Size of mmap'd section function_body: 14058627 bytes
to:
[WPA] Compression: 110593119 input bytes, 287696614 uncompressed bytes (ratio: 2.601397)
[WPA] Size of mmap'd section decls: 85628556 bytes
[WPA] Size of mmap'd section function_body: 13842928 bytes
lto-bootstrapped/regtested x86_64-linux, will commit it shortly.
* lto-streamer.h (LTO_tags): Reorder so frequent tags has small indexes;
add LTO_first_tree_tag and LTO_first_gimple_tag.
(lto_tag_is_tree_code_p): Update.
(lto_tag_is_gimple_code_p): Update.
(lto_gimple_code_to_tag): Update.
(lto_tag_to_gimple_code): Update.
(lto_tree_code_to_tag): Update.
(lto_tag_to_tree_code): Update.
|
|
gcc/ChangeLog:
2020-06-01 Jan Hubicka <hubicka@ucw.cz>
* lto-streamer.h (enum LTO_tags): Remove LTO_field_decl_ref,
LTO_function_decl_ref, LTO_label_decl_ref, LTO_namespace_decl_ref,
LTO_result_decl_ref, LTO_type_decl_ref, LTO_type_ref,
LTO_const_decl_ref, LTO_imported_decl_ref,
LTO_translation_unit_decl_ref, LTO_global_decl_ref and
LTO_namelist_decl_ref; add LTO_global_stream_ref.
* lto-streamer-in.c (lto_input_tree_ref): Simplify.
(lto_input_scc): Update.
(lto_input_tree_1): Update.
* lto-streamer-out.c (lto_indexable_tree_ref): Simlify.
* lto-streamer.c (lto_tag_name): Update.
|
|
This patch further simplifies way we reffer to global stream. Every function
section has vector of references to global trees which are populated during
streaming. This vector is for some reason divided into field_decls, fn_decls,
type_decls, types, namespace_decls, labels_decls and var_decls which contains
also other things.
There is no benefit for this split except perhaps for making the indexes
bit smaller and possibly better encodable by ulebs. This however does not
pay back and makes things unnecesarily complex.
We may want to re-add multiple tables if we start streaming something else than
trees into the global stream, but that would not work with current
infrastructure anyway.
The patch drops different streams and I checked that it results in reduction of
global stream and apparently very small increase in function streams but it may
be just because I updated tree in between the tests. This will be fixed by
incremental patch.
[WPA] Compression: 86220483 input bytes, 217762146 uncompressed bytes (ratio: 2.525643)
[WPA] Compression: 111735464 input bytes, 297410918 uncompressed bytes (ratio: 2.661741)
[WPA] Size of mmap'd section decls: 86220483 bytes
[WPA] Size of mmap'd section function_body: 14353447 bytes
to:
[WPA] Compression: 85754594 input bytes, 216006049 uncompressed bytes (ratio: 2.518886)
[WPA] Compression: 111370381 input bytes, 295746052 uncompressed bytes (ratio: 2.655518)
[WPA] Size of mmap'd section decls: 85754594 bytes
[WPA] Size of mmap'd section function_body: 14447946 bytes
The patch also removes some of ugly macro generators of accessors functions and
makes it easier to further optimize the way we stream references to trees which
I plan to do incrementally.
I also made the API for streaming referneces symmetric. I.e. you
stream out by
lto_output_var_decl_ref
and stream in by
lto_input_var_decl_ref
instead streaming out by
lto_output_var_decl_index
and streaming in by
decl_index = streamer_read_uhwi (ib);
lto_file_decl_data_get_fn_decl (file_data, decl_index);
lto-bootstrapped/regtested x86_64-linux, will commit it shortly.
gcc/ChangeLog:
2020-06-01 Jan Hubicka <hubicka@ucw.cz>
* ipa-reference.c (stream_out_bitmap): Use lto_output_var_decl_ref.
(ipa_reference_read_optimization_summary): Use lto_intput_var_decl_ref.
* lto-cgraph.c (lto_output_node): Likewise.
(lto_output_varpool_node): Likewise.
(output_offload_tables): Likewise.
(input_node): Likewise.
(input_varpool_node): Likewise.
(input_offload_tables): Likewise.
* lto-streamer-in.c (lto_input_tree_ref): Declare.
(lto_input_var_decl_ref): Declare.
(lto_input_fn_decl_ref): Declare.
* lto-streamer-out.c (lto_indexable_tree_ref): Use only one decl stream.
(lto_output_var_decl_index): Rename to ..
(lto_output_var_decl_ref): ... this.
(lto_output_fn_decl_index): Rename to ...
(lto_output_fn_decl_ref): ... this.
* lto-streamer.h (enum lto_decl_stream_e_t): Remove per-type streams.
(DEFINE_DECL_STREAM_FUNCS): Remove.
(lto_output_var_decl_index): Remove.
(lto_output_fn_decl_index): Remove.
(lto_output_var_decl_ref): Declare.
(lto_output_fn_decl_ref): Declare.
(lto_input_var_decl_ref): Declare.
(lto_input_fn_decl_ref): Declare.
|
|
gcc/
* lto-section-out.c (lto_output_decl_index): Remove.
(lto_output_field_decl_index): Move to lto-streamer-out.c
(lto_output_fn_decl_index): Move to lto-streamer-out.c
(lto_output_namespace_decl_index): Remove.
(lto_output_var_decl_index): Remove.
(lto_output_type_decl_index): Remove.
(lto_output_type_ref_index): Remove.
* lto-streamer-out.c (output_type_ref): Remove.
(lto_get_index): New function.
(lto_output_tree_ref): Remove.
(lto_indexable_tree_ref): New function.
(lto_output_var_decl_index): Move here from lto-section-out.c; simplify.
(lto_output_fn_decl_index): Move here from lto-section-out.c; simplify.
(stream_write_tree_ref): Update.
(lto_output_tree): Update.
* lto-streamer.h (lto_output_decl_index): Remove prototype.
(lto_output_field_decl_index): Remove prototype.
(lto_output_namespace_decl_index): Remove prototype.
(lto_output_type_decl_index): Remove prototype.
(lto_output_type_ref_index): Remove prototype.
(lto_output_var_decl_index): Move.
(lto_output_fn_decl_index): Move
|
|
this patch cleans up tree streaming. The code is prepared to stream nested
trees, but we only handle flat trees. As a result we have quite heavy function
to stream in/out tree reference which is used many times and shows up in
profile.
This patch adds stream_write_tree_ref/stream_read_tree_ref which is used to
stream references to trees that are required to exist in the cache or be
indexable.
The actual implementation is just a first cut. I would like to make it more
compact. We used to stream 2 byte tag (as UHWI) + UHWI representing the index.
Now we stream one UHWI that represent type of reference + index for references
to cache, but still two integers for references to global stream. This is
becaue the abstraction is not very helpful here and I want to clean this up
incrementally.
I would also like to get rid of the ref_p parameters which seems unnecessary for
flat streams.
This reduces around 7% of global stream, 3% when compressed.
More reduction will happen once the format is sanitized a bit.
from
[WPA] read 4597161 unshared trees
[WPA] read 2937414 mergeable SCCs of average size 1.364280
[WPA] 8604617 tree bodies read in total
[WPA] tree SCC table: size 524287, 247507 elements, collision ratio: 0.377468
[WPA] tree SCC max chain length 2 (size 1)
[WPA] Compared 2689907 SCCs, 184 collisions (0.000068)
[WPA] Merged 2689890 SCCs
[WPA] Merged 3722677 tree bodies
[WPA] Merged 632040 types
...
[WPA] Compression: 88124141 input bytes, 234906430 uncompressed bytes (ratio: 2.665631)
[WPA] Size of mmap'd section decls: 88124141 bytes
...
[WPA] Compression: 113758813 input bytes, 316149514 uncompressed bytes (ratio: 2.779121)
[WPA] Size of mmap'd section decls: 88124141 bytes
[WPA] Size of mmap'd section function_body: 14485721 bytes
to
[WPA] read 4597174 unshared trees
[WPA] read 2937413 mergeable SCCs of average size 1.364280
[WPA] 8604629 tree bodies read in total
[WPA] tree SCC table: size 524287, 247509 elements, collision ratio: 0.377458
[WPA] tree SCC max chain length 2 (size 1)
[WPA] Compared 2689904 SCCs, 183 collisions (0.000068)
[WPA] Merged 2689888 SCCs
[WPA] Merged 3722675 tree bodies
[WPA] Merged 632041 types
....
[WPA] Size of mmap'd section decls: 86177293 bytes
[WPA] Compression: 86177293 input bytes, 217625095 uncompressed bytes (ratio: 2.525318)
....
[WPA] Compression: 111682269 input bytes, 297228756 uncompressed bytes (ratio: 2.661378)
[WPA] Size of mmap'd section decls: 86177293 bytes
[WPA] Size of mmap'd section function_body: 14349032 bytes
gcc/ChangeLog:
* lto-streamer-in.c (streamer_read_chain): Move here from
tree-streamer-in.c.
(stream_read_tree_ref): New.
(lto_input_tree_1): Simplify.
* lto-streamer-out.c (stream_write_tree_ref): New.
(lto_write_tree_1): Simplify.
(lto_output_tree_1): Simplify.
(DFS::DFS_write_tree): Simplify.
(streamer_write_chain): Move here from tree-stremaer-out.c.
* lto-streamer.h (lto_output_tree_ref): Update prototype.
(stream_read_tree_ref): Declare
(stream_write_tree_ref): Declare
* tree-streamer-in.c (streamer_read_chain): Update to use
stream_read_tree_ref.
(lto_input_ts_common_tree_pointers): Likewise.
(lto_input_ts_vector_tree_pointers): Likewise.
(lto_input_ts_poly_tree_pointers): Likewise.
(lto_input_ts_complex_tree_pointers): Likewise.
(lto_input_ts_decl_minimal_tree_pointers): Likewise.
(lto_input_ts_decl_common_tree_pointers): Likewise.
(lto_input_ts_decl_with_vis_tree_pointers): Likewise.
(lto_input_ts_field_decl_tree_pointers): Likewise.
(lto_input_ts_function_decl_tree_pointers): Likewise.
(lto_input_ts_type_common_tree_pointers): Likewise.
(lto_input_ts_type_non_common_tree_pointers): Likewise.
(lto_input_ts_list_tree_pointers): Likewise.
(lto_input_ts_vec_tree_pointers): Likewise.
(lto_input_ts_exp_tree_pointers): Likewise.
(lto_input_ts_block_tree_pointers): Likewise.
(lto_input_ts_binfo_tree_pointers): Likewise.
(lto_input_ts_constructor_tree_pointers): Likewise.
(lto_input_ts_omp_clause_tree_pointers): Likewise.
* tree-streamer-out.c (streamer_write_chain): Update to use
stream_write_tree_ref.
(write_ts_common_tree_pointers): Likewise.
(write_ts_vector_tree_pointers): Likewise.
(write_ts_poly_tree_pointers): Likewise.
(write_ts_complex_tree_pointers): Likewise.
(write_ts_decl_minimal_tree_pointers): Likewise.
(write_ts_decl_common_tree_pointers): Likewise.
(write_ts_decl_non_common_tree_pointers): Likewise.
(write_ts_decl_with_vis_tree_pointers): Likewise.
(write_ts_field_decl_tree_pointers): Likewise.
(write_ts_function_decl_tree_pointers): Likewise.
(write_ts_type_common_tree_pointers): Likewise.
(write_ts_type_non_common_tree_pointers): Likewise.
(write_ts_list_tree_pointers): Likewise.
(write_ts_vec_tree_pointers): Likewise.
(write_ts_exp_tree_pointers): Likewise.
(write_ts_block_tree_pointers): Likewise.
(write_ts_binfo_tree_pointers): Likewise.
(write_ts_constructor_tree_pointers): Likewise.
(write_ts_omp_clause_tree_pointers): Likewise.
(streamer_write_tree_body): Likewise.
(streamer_write_integer_cst): Likewise.
* tree-streamer.h (streamer_read_chain):Declare.
(streamer_write_chain):Declare.
(streamer_write_tree_body): Update prototype.
(streamer_write_integer_cst): Update prototype.
|
|
as discussed on IRC this adds knob to disable stuff we stream "just for fun"
(or to make it easier to debug streamer desychnonization).
Te size of .o files in gcc subdirectory is reduced form 506MB to 492MB
gcc/
* lto-streamer-out.c (lto_output_tree): Add streamer_debugging check.
* lto-streamer.h (streamer_debugging): New constant
* tree-streamer-in.c (streamer_read_tree_bitfields): Add
streamer_debugging check.
(streamer_get_pickled_tree): Likewise.
* tree-streamer-out.c (pack_ts_base_value_fields): Likewise.
|
|
This is new incarantion of patch to identify unmergeable tree at streaming out
time rather than streaming in and to avoid pickling them to sccs with with hash
codes.
Building cc1 plus this patch reduces:
[WPA] read 4452927 SCCs of average size 1.986030
[WPA] 8843646 tree bodies read in total
[WPA] tree SCC table: size 524287, 205158 elements, collision ratio: 0.505204
[WPA] tree SCC max chain length 43 (size 1)
[WPA] Compared 947551 SCCs, 780270 collisions (0.823460)
[WPA] Merged 944038 SCCs
[WPA] Merged 5253521 tree bodies
[WPA] Merged 590027 types
...
[WPA] Size of mmap'd section decls: 99229066 bytes
[WPA] Size of mmap'd section function_body: 18398837 bytes
[WPA] Size of mmap'd section refs: 733678 bytes
[WPA] Size of mmap'd section jmpfuncs: 2965981 bytes
[WPA] Size of mmap'd section pureconst: 170248 bytes
[WPA] Size of mmap'd section profile: 17985 bytes
[WPA] Size of mmap'd section symbol_nodes: 3392736 bytes
[WPA] Size of mmap'd section inline: 2693920 bytes
[WPA] Size of mmap'd section icf: 435557 bytes
[WPA] Size of mmap'd section offload_table: 0 bytes
[WPA] Size of mmap'd section lto: 4320 bytes
[WPA] Size of mmap'd section ipa_sra: 651660 bytes
... to ...
[WPA] read 3312246 unshared trees
[WPA] read 1144381 mergeable SCCs of average size 4.833785
[WPA] 8843938 tree bodies read in total
[WPA] tree SCC table: size 524287, 197767 elements, collision ratio: 0.506446
[WPA] tree SCC max chain length 43 (size 1)
[WPA] Compared 946614 SCCs, 775077 collisions (0.818789)
[WPA] Merged 943798 SCCs
[WPA] Merged 5253336 tree bodies
[WPA] Merged 590105 types
....
[WPA] Size of mmap'd section decls: 81262144 bytes
[WPA] Size of mmap'd section function_body: 14702611 bytes
[WPA] Size of mmap'd section ext_symtab: 0 bytes
[WPA] Size of mmap'd section refs: 733695 bytes
[WPA] Size of mmap'd section jmpfuncs: 2332150 bytes
[WPA] Size of mmap'd section pureconst: 170292 bytes
[WPA] Size of mmap'd section profile: 17986 bytes
[WPA] Size of mmap'd section symbol_nodes: 3393358 bytes
[WPA] Size of mmap'd section inline: 2567939 bytes
[WPA] Size of mmap'd section icf: 435633 bytes
[WPA] Size of mmap'd section lto: 4320 bytes
[WPA] Size of mmap'd section ipa_sra: 651824 bytes
so results in about 22% reduction in global decl stream and 24% reduction on
function bodies stream (which is read mostly by ICF)
Martin, the zstd compression breaks the compression statistics (it works when
GCC is configured for zlib)
At first ltrans I get:
[LTRANS] Size of mmap'd section decls: 3734248 bytes
[LTRANS] Size of mmap'd section function_body: 4895962 bytes
... to ...
[LTRANS] Size of mmap'd section decls: 3479850 bytes
[LTRANS] Size of mmap'd section function_body: 3722935 bytes
So 7% reduction of global stream and 31% reduction of function bodies.
Stream in seems to get about 3% faster and stream out about 5% but it is
close to noise factor of my experiment. I expect bigger speedups on
Firefox but I did not test it today since my Firefox setup broke again.
GCC is not very good example on the problem with anonymous namespace
types since we do not have so many of them.
Sice of object files in gcc directory is reduced by 11% (because hash
numbers do not compress well I guess).
The patch makes DFS walk to recognize trees that are not merged (anonymous
namespace, local function/variable decls, anonymous types etc). As discussed
on IRC this is now done during the SCC walk rather than during the hash
computation. When local tree is discovered we know that SCC components of everything that is on
the stack reffers to it and thus is also local. Moreover we mark trees into hash set in output block
so if we get a cross edge referring to local tree it gets marked too.
Patch also takes care of avoiding SCC wrappers around some trees. In particular
1) singleton unmergeable SCCs are now streamed inline in global decl stream
This includes INTEGER_CSTs and IDENTIFIER_NODEs that are shared by different
code than rest of tree merging.
2) We use LTO_trees instead of LTO_tree_scc to wrap unmergeable SCC components.
It is still necessary to mark them because of forward references. LTO_trees
has simple header with number of trees and then things are streamed same way
as for LTO_tree_scc. That is tree headers first followed by pickled references
so things may point to future.
Of course it is not necessary for LTO_tree_scc to be single component and
streamer out may group more components together, but I decided to not snowball
the patch even more
3) In local streams when lto_output_tree is called and the topmost SCC components
turns out to be singleton we stream the tree directly
instead of LTO_tree_scc, hash code, pickled tree, reference to just stremaed tree.
LTO_trees is used to wrap all trees needed to represent tree being streamed.
It would make sense again to use only one LTO_trees rather than one per SCC
but I think this can be done incrementally.
In general local trees are now recognized by new predicate local_tree_p
Bit subtle is handing of TRANLSATION_UNIT_DECL, INTEGER_CST and
IDENTIFIER_NODE.
TRANSLATION_UNIT_DECL a local tree but references to it does not make
other trees local (because we also understand local decls now).
So I check for it later after localness propagation is done.
INTEGER_CST and IDENTIFIER_NODEs are merged but not via the tree merging
machinery. So it makes sense to stream them as unmergeable trees but we
still need to compute their hashes so SCCs referring them do not get too
large collision chains. For this reason they are checked just prior
stream out.
lto-bootstrapped/regteted x86_64-linux, OK?
gcc/ChangeLog:
2020-05-19 Jan Hubicka <hubicka@ucw.cz>
* lto-streamer-in.c (lto_input_scc): Add SHARED_SCC parameter.
(lto_input_tree_1): Strenghten sanity check.
(lto_input_tree): Update call of lto_input_scc.
* lto-streamer-out.c: Include ipa-utils.h
(create_output_block): Initialize local_trees if merigng is going
to happen.
(destroy_output_block): Destroy local_trees.
(DFS): Add max_local_entry.
(local_tree_p): New function.
(DFS::DFS): Initialize and maintain it.
(DFS::DFS_write_tree): Decide on streaming format.
(lto_output_tree): Stream inline singleton SCCs
* lto-streamer.h (enum LTO_tags): Add LTO_trees.
(struct output_block): Add local_trees.
(lto_input_scc): Update prototype.
gcc/lto/ChangeLog:
2020-05-19 Jan Hubicka <hubicka@ucw.cz>
* lto-common.c (compare_tree_sccs_1): Sanity check that we never
read TRANSLATION_UNIT_DECL.
(process_dref): Break out from ...
(unify_scc): ... here.
(process_new_tree): Break out from ...
(lto_read_decls): ... here; handle streaming of singleton trees.
(print_lto_report_1): Update statistics.
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* lto-section-in.c: Add ext_symtab.
* lto-streamer-out.c (write_symbol_extension_info): New.
(produce_symtab_extension): New.
(produce_asm_for_decls): Stream also produce_symtab_extension.
* lto-streamer.h (enum lto_section_type): New section.
* lto-symtab.h (enum gcc_plugin_symbol_type): New.
(enum gcc_plugin_symbol_section_kind): Likewise.
* lto-plugin.c (LTO_SECTION_PREFIX): Rename to ...
(LTO_SYMTAB_PREFIX): ... this.
(LTO_SECTION_PREFIX_LEN): Rename to ...
(LTO_SYMTAB_PREFIX_LEN): ... this.
(LTO_SYMTAB_EXT_PREFIX): New.
(LTO_SYMTAB_EXT_PREFIX_LEN): New.
(LTO_LTO_PREFIX): New.
(LTO_LTO_PREFIX_LEN): New.
(parse_table_entry): Fill up unused to zero.
(parse_table_entry_extension): New.
(parse_symtab_extension): New.
(finish_conflict_resolution): Change type
for resolution.
(process_symtab): Use new macro name.
(process_symtab_extension): New.
(claim_file_handler): Parse also process_symtab_extension.
(onload): Call new add_symbols_v2.
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From-SVN: r279813
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* cgraph.c (cgraph_node::dump): Dump unit_id and merged_extern_inline.
* cgraph.h (cgraph_node): Add unit_id and
merged_extern_inline.
(symbol_table): Add max_unit.
(symbol_table::symbol_table): Initialize it.
* cgraphclones.c (duplicate_thunk_for_node): Copy unit_id.
merged_comdat, merged_extern_inline.
(cgraph_node::create_clone): Likewise.
(cgraph_node::create_version_clone): Likewise.
* ipa-fnsummary.c (dump_ipa_call_summary): Dump info about cross module
calls.
* ipa-fnsummary.h (cross_module_call_p): New inline function.
* ipa-inline-analyssi.c (simple_edge_hints): Use it.
* ipa-inline.c (inline_small_functions): Likewise.
* lto-symtab.c (lto_cgraph_replace_node): Record merged_extern_inline;
copy merged_comdat and merged_extern_inline.
* lto-cgraph.c (lto_output_node): Stream out merged_comdat,
merged_extern_inline and unit_id.
(input_overwrite_node): Stream in these.
(input_cgraph_1): Set unit_base.
* lto-streamer.h (lto_file_decl_data): Add unit_base.
* symtab.c (symtab_node::make_decl_local): Record former_comdat.
* g++.dg/lto/inline-crossmodule-1.h: New testcase.
* g++.dg/lto/inline-crossmodule-1_0.C: New testcase.
* g++.dg/lto/inline-crossmodule-1_1.C: New testcase.
From-SVN: r278876
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* ipa-fnsummary.h (enum ipa_hints_vals): Fix comment typo,
preffer -> prefer.
* ipa-inline.c (edge_badness): Likewise.
* lto-streamer.h (class lto_location_cache): Likewise.
* tree-ssa-sink.c (select_best_block): Likewise. Fix comment typos,
gratutious -> gratuitous.
From-SVN: r278546
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* lto-streamer-in.c: Include alloc-pool.h.
(freeing_string_slot_hasher): Remove.
(string_slot_allocator): New object allocator.
(file_name_hash_table): Turn to hash_table<string_slot_hasher>.
(file_name_obstack): New obstack.
(canon_file_name): Allocate in obstack and allocator.
(lto_reader_init): Initialize obstack and allocator.
(lto_free_file_name_hash): New function.
* lto-streamer.h (lto_free_file_name_hash): New.
* lto.c (do_whole_program_analysis): Call lto_free_file_name_hash.
From-SVN: r277924
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2019-10-30 Martin Liska <mliska@suse.cz>
PR lto/91393
PR lto/88220
* cgraph.c (cgraph_node::get_create): Overwrite node->order
from a first_clone in order to get proper LTO section
in LTO stream.
(cgraph_node::get_untransformed_body):
Use lto_get_section_data where symtab_node::order
must be provided.
* cgraphclones.c (cgraph_node::find_replacement):
Update also symbol order.
* ipa-fnsummary.c (ipa_fn_summary_read):
Use new function lto_get_summary_section_data.
* ipa-hsa.c (ipa_hsa_read_summary): Likewise.
* ipa-icf.c (sem_item_optimizer::read_summary):
Likewise.
* ipa-prop.c (ipa_prop_read_jump_functions):
Likewise.
(ipcp_read_transformation_summaries): Likewise.
* ipa-sra.c (ipa_sra_read_summary): Likewise.
* lto-cgraph.c (input_node): Add also order_base.
(input_varpool_node): Likewise.
(input_cgraph_1): Assign the order_base.
(input_cgraph_opt_summary): Use new lto_get_summary_section_data.
* lto-opts.c (lto_write_options): Pass new argument.
* lto-section-in.c (lto_get_section_data): Add new argumente order.
(lto_get_summary_section_data): New.
(lto_get_raw_section_data): Add order argument.
(lto_create_simple_input_block): Likewise.
* lto-section-out.c (lto_destroy_simple_output_block):
Likewise.
* lto-streamer-in.c (lto_input_toplevel_asms):
Use lto_get_summary_section_data.
(lto_input_mode_table): Likewise.
* lto-streamer-out.c (produce_asm): Pass symtab_node::order.
(lto_output_toplevel_asms): Pass new argument.
(copy_function_or_variable): Likewise.
(produce_lto_section):Likewise.
(produce_symtab): Likewise.
(lto_write_mode_table): Likewise.
(produce_asm_for_decls): Likewise.
* lto-streamer.c (lto_get_section_name): Concat symbol name
and symbol order.
* lto-streamer.h (lto_get_section_data): Add order argument.
(lto_get_summary_section_data): New.
(lto_get_raw_section_data): Add order argument.
(lto_get_section_name): Likewise.
* varpool.c (varpool_node::get_constructor): Pass order argument.
2019-10-30 Martin Liska <mliska@suse.cz>
PR lto/91393
PR lto/88220
* lto-common.c (lto_file_finalize): Use lto_get_summary_section_data.
(get_section_data): Add order argument.
2019-10-30 Martin Liska <mliska@suse.cz>
PR lto/91393
PR lto/88220
* gcc.dg/lto/pr91393_0.c: New test.
From-SVN: r277607
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* lto-streamer-out.c (output_constructor): Push CTORS_OUT timevar.
(cmp_symbol_files): New.
(lto_output): Copy sections in file order.
* lto-streamer.h (lto_file_decl_data): Add field order.
* lto-common.c (lto_file_finalize): Add order attribute.
(lto_create_files_from_ids): Pass order.
(lto_file_read): UPdate call of lto_create_files_from_ids.
From-SVN: r277346
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* gimple-streamer-out.c (output_gimple_stmt): Add explicit function
parameter.
* lto-streamer-out.c: Include tree-dfa.h.
(output_cfg): Do not use cfun.
(lto_prepare_function_for_streaming): New.
(output_function): Do not push cfun; do not initialize loop optimizer.
* lto-streamer.h (lto_prepare_function_for_streaming): Declare.
* passes.c (ipa_write_summaries): Use it.
(ipa_write_optimization_summaries): Do not modify bodies.
* tree-dfa.c (renumber_gimple_stmt_uids): Add function parameter.
* tree.dfa.h (renumber_gimple_stmt_uids): Update prototype.
* tree-ssa-dse.c (pass_dse::execute): Update use of
renumber_gimple_stmt_uids.
* tree-ssa-math-opts.c (pass_optimize_widening_mul::execute): Likewise.
* lto.c (lto_wpa_write_files): Prepare all bodies for streaming.
From-SVN: r276870
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2019-09-20 Martin Jambor <mjambor@suse.cz>
* coretypes.h (cgraph_edge): Declare.
* ipa-param-manipulation.c: Rewrite.
* ipa-param-manipulation.h: Likewise.
* Makefile.in (GTFILES): Added ipa-param-manipulation.h and ipa-sra.c.
(OBJS): Added ipa-sra.o.
* cgraph.h (ipa_replace_map): Removed fields old_tree, replace_p
and ref_p, added fields param_adjustments and performed_splits.
(struct cgraph_clone_info): Remove ags_to_skip and
combined_args_to_skip, new field param_adjustments.
(cgraph_node::create_clone): Changed parameters to use
ipa_param_adjustments.
(cgraph_node::create_virtual_clone): Likewise.
(cgraph_node::create_virtual_clone_with_body): Likewise.
(tree_function_versioning): Likewise.
(cgraph_build_function_type_skip_args): Removed.
* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Convert to
using ipa_param_adjustments.
(clone_of_p): Likewise.
* cgraphclones.c (cgraph_build_function_type_skip_args): Removed.
(build_function_decl_skip_args): Likewise.
(duplicate_thunk_for_node): Adjust parameters using
ipa_param_body_adjustments, copy param_adjustments instead of
args_to_skip.
(cgraph_node::create_clone): Convert to using ipa_param_adjustments.
(cgraph_node::create_virtual_clone): Likewise.
(cgraph_node::create_version_clone_with_body): Likewise.
(cgraph_materialize_clone): Likewise.
(symbol_table::materialize_all_clones): Likewise.
* ipa-fnsummary.c (ipa_fn_summary_t::duplicate): Simplify
ipa_replace_map check.
* ipa-cp.c (get_replacement_map): Do not initialize removed fields.
(initialize_node_lattices): Make aware that some parameters might have
already been removed.
(want_remove_some_param_p): New function.
(create_specialized_node): Convert to using ipa_param_adjustments and
deal with possibly pre-existing adjustments.
* lto-cgraph.c (output_cgraph_opt_summary_p): Likewise.
(output_node_opt_summary): Do not stream removed fields. Stream
parameter adjustments instead of argumetns to skip.
(input_node_opt_summary): Likewise.
(input_node_opt_summary): Likewise.
* lto-section-in.c (lto_section_name): Added ipa-sra section.
* lto-streamer.h (lto_section_type): Likewise.
* tree-inline.h (copy_body_data): New fields killed_new_ssa_names and
param_body_adjs.
(copy_decl_to_var): Declare.
* tree-inline.c (update_clone_info): Do not remap old_tree.
(remap_gimple_stmt): Use ipa_param_body_adjustments to modify gimple
statements, walk all extra generated statements and remap their
operands.
(redirect_all_calls): Add killed SSA names to a hash set.
(remap_ssa_name): Do not remap killed SSA names.
(copy_arguments_for_versioning): Renames to copy_arguments_nochange,
half of functionality moved to ipa_param_body_adjustments.
(copy_decl_to_var): Make exported.
(copy_body): Destroy killed_new_ssa_names hash set.
(expand_call_inline): Remap performed splits.
(update_clone_info): Likewise.
(tree_function_versioning): Simplify tree_map processing. Updated to
accept ipa_param_adjustments and use ipa_param_body_adjustments.
* omp-simd-clone.c (simd_clone_vector_of_formal_parm_types): Adjust
for the new interface.
(simd_clone_clauses_extract): Likewise, make args an auto_vec.
(simd_clone_compute_base_data_type): Likewise.
(simd_clone_init_simd_arrays): Adjust for the new interface.
(simd_clone_adjust_argument_types): Likewise.
(struct modify_stmt_info): Likewise.
(ipa_simd_modify_stmt_ops): Likewise.
(ipa_simd_modify_function_body): Likewise.
(simd_clone_adjust): Likewise.
* tree-sra.c: Removed IPA-SRA. Include tree-sra.h.
(type_internals_preclude_sra_p): Make public.
* tree-sra.h: New file.
* ipa-inline-transform.c (save_inline_function_body): Update to
refelct new tree_function_versioning signature.
* ipa-prop.c (adjust_agg_replacement_values): Use a helper from
ipa_param_adjustments to get current parameter indices.
(ipcp_modif_dom_walker::before_dom_children): Likewise.
(ipcp_update_bits): Likewise.
(ipcp_update_vr): Likewise.
* ipa-split.c (split_function): Convert to using ipa_param_adjustments.
* ipa-sra.c: New file.
* multiple_target.c (create_target_clone): Update to reflet new type
of create_version_clone_with_body.
* trans-mem.c (ipa_tm_create_version): Update to reflect new type of
tree_function_versioning.
(modify_function): Update to reflect new type of
tree_function_versioning.
* params.def (PARAM_IPA_SRA_MAX_REPLACEMENTS): New.
* passes.def: Remove old IPA-SRA and add new one.
* tree-pass.h (make_pass_early_ipa_sra): Remove declaration.
(make_pass_ipa_sra): Declare.
* dbgcnt.def: Remove eipa_sra. Added ipa_sra_params and
ipa_sra_retvalues.
* doc/invoke.texi (ipa-sra-max-replacements): New.
testsuite/
* g++.dg/ipa/pr81248.C: Adjust dg-options and dump-scan.
* gcc.dg/ipa/ipa-sra-1.c: Likewise.
* gcc.dg/ipa/ipa-sra-10.c: Likewise.
* gcc.dg/ipa/ipa-sra-11.c: Likewise.
* gcc.dg/ipa/ipa-sra-3.c: Likewise.
* gcc.dg/ipa/ipa-sra-4.c: Likewise.
* gcc.dg/ipa/ipa-sra-5.c: Likewise.
* gcc.dg/ipa/ipacost-2.c: Disable ipa-sra.
* gcc.dg/ipa/ipcp-agg-9.c: Likewise.
* gcc.dg/ipa/pr78121.c: Adjust scan pattern.
* gcc.dg/ipa/vrp1.c: Likewise.
* gcc.dg/ipa/vrp2.c: Likewise.
* gcc.dg/ipa/vrp3.c: Likewise.
* gcc.dg/ipa/vrp7.c: Likewise.
* gcc.dg/ipa/vrp8.c: Likewise.
* gcc.dg/noreorder.c: use noipa attribute instead of noinline.
* gcc.dg/ipa/20040703-wpa.c: New test.
* gcc.dg/ipa/ipa-sra-12.c: New test.
* gcc.dg/ipa/ipa-sra-13.c: Likewise.
* gcc.dg/ipa/ipa-sra-14.c: Likewise.
* gcc.dg/ipa/ipa-sra-15.c: Likewise.
* gcc.dg/ipa/ipa-sra-16.c: Likewise.
* gcc.dg/ipa/ipa-sra-17.c: Likewise.
* gcc.dg/ipa/ipa-sra-18.c: Likewise.
* gcc.dg/ipa/ipa-sra-19.c: Likewise.
* gcc.dg/ipa/ipa-sra-20.c: Likewise.
* gcc.dg/ipa/ipa-sra-21.c: Likewise.
* gcc.dg/ipa/ipa-sra-22.c: Likewise.
* gcc.dg/sso/ipa-sra-1.c: Likewise.
* g++.dg/ipa/ipa-sra-2.C: Likewise.
* g++.dg/ipa/ipa-sra-3.C: Likewise.
* gcc.dg/tree-ssa/ipa-cp-1.c: Make return value used.
* g++.dg/ipa/devirt-19.C: Add missing return, add -fipa-cp-clone
option.
* g++.dg/lto/devirt-19_0.C: Add -fipa-cp-clone option.
* gcc.dg/ipa/ipa-sra-2.c: Removed.
* gcc.dg/ipa/ipa-sra-6.c: Likewise.
From-SVN: r275982
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2019-07-22 Martin Liska <mliska@suse.cz>
* lto-section-in.c (lto_get_section_data):
Use new function get_compression.
* lto-streamer-out.c (produce_lto_section): Use
set_compression to encode compression algorithm.
* lto-streamer.h (struct lto_section): Do not
use bitfields in the format.
From-SVN: r273661
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non-bugs
gcc/c/ChangeLog:
PR c++/61339
* c-decl.c (xref_tag): Change class-key of PODs to struct and others
to class.
(field_decl_cmp): Same.
* c-parser.c (c_parser_struct_or_union_specifier): Same.
* c-tree.h: Same.
* gimple-parser.c (c_parser_gimple_compound_statement): Same.
gcc/c-family/ChangeLog:
PR c++/61339
* c-opts.c (handle_deferred_opts): : Change class-key of PODs to struct
and others to class.
* c-pretty-print.h: Same.
gcc/cp/ChangeLog:
PR c++/61339
* cp-tree.h: Change class-key of PODs to struct and others to class.
* search.c: Same.
* semantics.c (finalize_nrv_r): Same.
gcc/lto/ChangeLog:
PR c++/61339
* lto-common.c (lto_splay_tree_new): : Change class-key of PODs
to struct and others to class.
(mentions_vars_p): Same.
(register_resolution): Same.
(lto_register_var_decl_in_symtab): Same.
(lto_register_function_decl_in_symtab): Same.
(cmp_tree): Same.
(lto_read_decls): Same.
gcc/ChangeLog:
PR c++/61339
* auto-profile.c: Change class-key of PODs to struct and others
to class.
* basic-block.h: Same.
* bitmap.c (bitmap_alloc): Same.
* bitmap.h: Same.
* builtins.c (expand_builtin_prefetch): Same.
(expand_builtin_interclass_mathfn): Same.
(expand_builtin_strlen): Same.
(expand_builtin_mempcpy_args): Same.
(expand_cmpstr): Same.
(expand_builtin___clear_cache): Same.
(expand_ifn_atomic_bit_test_and): Same.
(expand_builtin_thread_pointer): Same.
(expand_builtin_set_thread_pointer): Same.
* caller-save.c (setup_save_areas): Same.
(replace_reg_with_saved_mem): Same.
(insert_restore): Same.
(insert_save): Same.
(add_used_regs): Same.
* cfg.c (get_bb_copy): Same.
(set_loop_copy): Same.
* cfg.h: Same.
* cfganal.h: Same.
* cfgexpand.c (alloc_stack_frame_space): Same.
(add_stack_var): Same.
(add_stack_var_conflict): Same.
(add_scope_conflicts_1): Same.
(update_alias_info_with_stack_vars): Same.
(expand_used_vars): Same.
* cfghooks.c (redirect_edge_and_branch_force): Same.
(delete_basic_block): Same.
(split_edge): Same.
(make_forwarder_block): Same.
(force_nonfallthru): Same.
(duplicate_block): Same.
(lv_flush_pending_stmts): Same.
* cfghooks.h: Same.
* cfgloop.c (flow_loops_cfg_dump): Same.
(flow_loop_nested_p): Same.
(superloop_at_depth): Same.
(get_loop_latch_edges): Same.
(flow_loop_dump): Same.
(flow_loops_dump): Same.
(flow_loops_free): Same.
(flow_loop_nodes_find): Same.
(establish_preds): Same.
(flow_loop_tree_node_add): Same.
(flow_loop_tree_node_remove): Same.
(flow_loops_find): Same.
(find_subloop_latch_edge_by_profile): Same.
(find_subloop_latch_edge_by_ivs): Same.
(mfb_redirect_edges_in_set): Same.
(form_subloop): Same.
(merge_latch_edges): Same.
(disambiguate_multiple_latches): Same.
(disambiguate_loops_with_multiple_latches): Same.
(flow_bb_inside_loop_p): Same.
(glb_enum_p): Same.
(get_loop_body_with_size): Same.
(get_loop_body): Same.
(fill_sons_in_loop): Same.
(get_loop_body_in_dom_order): Same.
(get_loop_body_in_custom_order): Same.
(release_recorded_exits): Same.
(get_loop_exit_edges): Same.
(num_loop_branches): Same.
(remove_bb_from_loops): Same.
(find_common_loop): Same.
(delete_loop): Same.
(cancel_loop): Same.
(verify_loop_structure): Same.
(loop_preheader_edge): Same.
(loop_exit_edge_p): Same.
(single_exit): Same.
(loop_exits_to_bb_p): Same.
(loop_exits_from_bb_p): Same.
(get_loop_location): Same.
(record_niter_bound): Same.
(get_estimated_loop_iterations_int): Same.
(max_stmt_executions_int): Same.
(likely_max_stmt_executions_int): Same.
(get_estimated_loop_iterations): Same.
(get_max_loop_iterations): Same.
(get_max_loop_iterations_int): Same.
(get_likely_max_loop_iterations): Same.
* cfgloop.h (simple_loop_desc): Same.
(get_loop): Same.
(loop_depth): Same.
(loop_outer): Same.
(loop_iterator::next): Same.
(loop_outermost): Same.
* cfgloopanal.c (mark_irreducible_loops): Same.
(num_loop_insns): Same.
(average_num_loop_insns): Same.
(expected_loop_iterations_unbounded): Same.
(expected_loop_iterations): Same.
(mark_loop_exit_edges): Same.
(single_likely_exit): Same.
* cfgloopmanip.c (fix_bb_placement): Same.
(fix_bb_placements): Same.
(remove_path): Same.
(place_new_loop): Same.
(add_loop): Same.
(scale_loop_frequencies): Same.
(scale_loop_profile): Same.
(create_empty_if_region_on_edge): Same.
(create_empty_loop_on_edge): Same.
(loopify): Same.
(unloop): Same.
(fix_loop_placements): Same.
(copy_loop_info): Same.
(duplicate_loop): Same.
(duplicate_subloops): Same.
(loop_redirect_edge): Same.
(can_duplicate_loop_p): Same.
(duplicate_loop_to_header_edge): Same.
(mfb_keep_just): Same.
(has_preds_from_loop): Same.
(create_preheader): Same.
(create_preheaders): Same.
(lv_adjust_loop_entry_edge): Same.
(loop_version): Same.
* cfgloopmanip.h: Same.
* cgraph.h: Same.
* cgraphbuild.c: Same.
* combine.c (make_extraction): Same.
* config/i386/i386-features.c: Same.
* config/i386/i386-features.h: Same.
* config/i386/i386.c (ix86_emit_outlined_ms2sysv_save): Same.
(ix86_emit_outlined_ms2sysv_restore): Same.
(ix86_noce_conversion_profitable_p): Same.
(ix86_init_cost): Same.
(ix86_simd_clone_usable): Same.
* configure.ac: Same.
* coretypes.h: Same.
* data-streamer-in.c (string_for_index): Same.
(streamer_read_indexed_string): Same.
(streamer_read_string): Same.
(bp_unpack_indexed_string): Same.
(bp_unpack_string): Same.
(streamer_read_uhwi): Same.
(streamer_read_hwi): Same.
(streamer_read_gcov_count): Same.
(streamer_read_wide_int): Same.
* data-streamer.h (streamer_write_bitpack): Same.
(bp_unpack_value): Same.
(streamer_write_char_stream): Same.
(streamer_write_hwi_in_range): Same.
(streamer_write_record_start): Same.
* ddg.c (create_ddg_dep_from_intra_loop_link): Same.
(add_cross_iteration_register_deps): Same.
(build_intra_loop_deps): Same.
* df-core.c (df_analyze): Same.
(loop_post_order_compute): Same.
(loop_inverted_post_order_compute): Same.
* df-problems.c (df_rd_alloc): Same.
(df_rd_simulate_one_insn): Same.
(df_rd_local_compute): Same.
(df_rd_init_solution): Same.
(df_rd_confluence_n): Same.
(df_rd_transfer_function): Same.
(df_rd_free): Same.
(df_rd_dump_defs_set): Same.
(df_rd_top_dump): Same.
(df_lr_alloc): Same.
(df_lr_reset): Same.
(df_lr_local_compute): Same.
(df_lr_init): Same.
(df_lr_confluence_n): Same.
(df_lr_free): Same.
(df_lr_top_dump): Same.
(df_lr_verify_transfer_functions): Same.
(df_live_alloc): Same.
(df_live_reset): Same.
(df_live_init): Same.
(df_live_confluence_n): Same.
(df_live_finalize): Same.
(df_live_free): Same.
(df_live_top_dump): Same.
(df_live_verify_transfer_functions): Same.
(df_mir_alloc): Same.
(df_mir_reset): Same.
(df_mir_init): Same.
(df_mir_confluence_n): Same.
(df_mir_free): Same.
(df_mir_top_dump): Same.
(df_word_lr_alloc): Same.
(df_word_lr_reset): Same.
(df_word_lr_init): Same.
(df_word_lr_confluence_n): Same.
(df_word_lr_free): Same.
(df_word_lr_top_dump): Same.
(df_md_alloc): Same.
(df_md_simulate_one_insn): Same.
(df_md_reset): Same.
(df_md_init): Same.
(df_md_free): Same.
(df_md_top_dump): Same.
* df-scan.c (df_insn_delete): Same.
(df_insn_rescan): Same.
(df_notes_rescan): Same.
(df_sort_and_compress_mws): Same.
(df_install_mws): Same.
(df_refs_add_to_chains): Same.
(df_ref_create_structure): Same.
(df_ref_record): Same.
(df_def_record_1): Same.
(df_find_hard_reg_defs): Same.
(df_uses_record): Same.
(df_get_conditional_uses): Same.
(df_get_call_refs): Same.
(df_recompute_luids): Same.
(df_get_entry_block_def_set): Same.
(df_entry_block_defs_collect): Same.
(df_get_exit_block_use_set): Same.
(df_exit_block_uses_collect): Same.
(df_mws_verify): Same.
(df_bb_verify): Same.
* df.h (df_scan_get_bb_info): Same.
* doc/tm.texi: Same.
* dse.c (record_store): Same.
* dumpfile.h: Same.
* emit-rtl.c (const_fixed_hasher::equal): Same.
(set_mem_attributes_minus_bitpos): Same.
(change_address): Same.
(adjust_address_1): Same.
(offset_address): Same.
* emit-rtl.h: Same.
* except.c (dw2_build_landing_pads): Same.
(sjlj_emit_dispatch_table): Same.
* explow.c (allocate_dynamic_stack_space): Same.
(emit_stack_probe): Same.
(probe_stack_range): Same.
* expmed.c (store_bit_field_using_insv): Same.
(store_bit_field_1): Same.
(store_integral_bit_field): Same.
(extract_bit_field_using_extv): Same.
(extract_bit_field_1): Same.
(emit_cstore): Same.
* expr.c (emit_block_move_via_cpymem): Same.
(expand_cmpstrn_or_cmpmem): Same.
(set_storage_via_setmem): Same.
(emit_single_push_insn_1): Same.
(expand_assignment): Same.
(store_constructor): Same.
(expand_expr_real_2): Same.
(expand_expr_real_1): Same.
(try_casesi): Same.
* flags.h: Same.
* function.c (try_fit_stack_local): Same.
(assign_stack_local_1): Same.
(assign_stack_local): Same.
(cut_slot_from_list): Same.
(insert_slot_to_list): Same.
(max_slot_level): Same.
(move_slot_to_level): Same.
(temp_address_hasher::equal): Same.
(remove_unused_temp_slot_addresses): Same.
(assign_temp): Same.
(combine_temp_slots): Same.
(update_temp_slot_address): Same.
(preserve_temp_slots): Same.
* function.h: Same.
* fwprop.c: Same.
* gcc-rich-location.h: Same.
* gcov.c: Same.
* genattrtab.c (check_attr_test): Same.
(check_attr_value): Same.
(convert_set_attr_alternative): Same.
(convert_set_attr): Same.
(check_defs): Same.
(copy_boolean): Same.
(get_attr_value): Same.
(expand_delays): Same.
(make_length_attrs): Same.
(min_fn): Same.
(make_alternative_compare): Same.
(simplify_test_exp): Same.
(tests_attr_p): Same.
(get_attr_order): Same.
(clear_struct_flag): Same.
(gen_attr): Same.
(compares_alternatives_p): Same.
(gen_insn): Same.
(gen_delay): Same.
(find_attrs_to_cache): Same.
(write_test_expr): Same.
(walk_attr_value): Same.
(write_attr_get): Same.
(eliminate_known_true): Same.
(write_insn_cases): Same.
(write_attr_case): Same.
(write_attr_valueq): Same.
(write_attr_value): Same.
(write_dummy_eligible_delay): Same.
(next_comma_elt): Same.
(find_attr): Same.
(make_internal_attr): Same.
(copy_rtx_unchanging): Same.
(gen_insn_reserv): Same.
(check_tune_attr): Same.
(make_automaton_attrs): Same.
(handle_arg): Same.
* genextract.c (gen_insn): Same.
(VEC_char_to_string): Same.
* genmatch.c (print_operand): Same.
(lower): Same.
(parser::parse_operation): Same.
(parser::parse_capture): Same.
(parser::parse_c_expr): Same.
(parser::parse_simplify): Same.
(main): Same.
* genoutput.c (output_operand_data): Same.
(output_get_insn_name): Same.
(compare_operands): Same.
(place_operands): Same.
(process_template): Same.
(validate_insn_alternatives): Same.
(validate_insn_operands): Same.
(gen_expand): Same.
(note_constraint): Same.
* genpreds.c (write_one_predicate_function): Same.
(add_constraint): Same.
(process_define_register_constraint): Same.
(write_lookup_constraint_1): Same.
(write_lookup_constraint_array): Same.
(write_insn_constraint_len): Same.
(write_reg_class_for_constraint_1): Same.
(write_constraint_satisfied_p_array): Same.
* genrecog.c (optimize_subroutine_group): Same.
* gensupport.c (process_define_predicate): Same.
(queue_pattern): Same.
(remove_from_queue): Same.
(process_rtx): Same.
(is_predicable): Same.
(change_subst_attribute): Same.
(subst_pattern_match): Same.
(alter_constraints): Same.
(alter_attrs_for_insn): Same.
(shift_output_template): Same.
(alter_output_for_subst_insn): Same.
(process_one_cond_exec): Same.
(subst_dup): Same.
(process_define_cond_exec): Same.
(mnemonic_htab_callback): Same.
(gen_mnemonic_attr): Same.
(read_md_rtx): Same.
* ggc-page.c: Same.
* gimple-loop-interchange.cc (dump_reduction): Same.
(dump_induction): Same.
(loop_cand::~loop_cand): Same.
(free_data_refs_with_aux): Same.
(tree_loop_interchange::interchange_loops): Same.
(tree_loop_interchange::map_inductions_to_loop): Same.
(tree_loop_interchange::move_code_to_inner_loop): Same.
(compute_access_stride): Same.
(compute_access_strides): Same.
(proper_loop_form_for_interchange): Same.
(tree_loop_interchange_compute_ddrs): Same.
(prune_datarefs_not_in_loop): Same.
(prepare_data_references): Same.
(pass_linterchange::execute): Same.
* gimple-loop-jam.c (bb_prevents_fusion_p): Same.
(unroll_jam_possible_p): Same.
(fuse_loops): Same.
(adjust_unroll_factor): Same.
(tree_loop_unroll_and_jam): Same.
* gimple-loop-versioning.cc (loop_versioning::~loop_versioning): Same.
(loop_versioning::expensive_stmt_p): Same.
(loop_versioning::version_for_unity): Same.
(loop_versioning::dump_inner_likelihood): Same.
(loop_versioning::find_per_loop_multiplication): Same.
(loop_versioning::analyze_term_using_scevs): Same.
(loop_versioning::record_address_fragment): Same.
(loop_versioning::analyze_expr): Same.
(loop_versioning::analyze_blocks): Same.
(loop_versioning::prune_conditions): Same.
(loop_versioning::merge_loop_info): Same.
(loop_versioning::add_loop_to_queue): Same.
(loop_versioning::decide_whether_loop_is_versionable): Same.
(loop_versioning::make_versioning_decisions): Same.
(loop_versioning::implement_versioning_decisions): Same.
* gimple-ssa-evrp-analyze.c
(evrp_range_analyzer::record_ranges_from_phis): Same.
* gimple-ssa-store-merging.c (split_store::split_store): Same.
(count_multiple_uses): Same.
(split_group): Same.
(imm_store_chain_info::output_merged_store): Same.
(pass_store_merging::process_store): Same.
* gimple-ssa-strength-reduction.c (slsr_process_phi): Same.
* gimple-ssa-warn-alloca.c (adjusted_warn_limit): Same.
(is_max): Same.
(alloca_call_type): Same.
(pass_walloca::execute): Same.
* gimple-streamer-in.c (input_phi): Same.
(input_gimple_stmt): Same.
* gimple-streamer.h: Same.
* godump.c (go_force_record_alignment): Same.
(go_format_type): Same.
(go_output_type): Same.
(go_output_fndecl): Same.
(go_output_typedef): Same.
(keyword_hash_init): Same.
(find_dummy_types): Same.
* graph.c (draw_cfg_nodes_no_loops): Same.
(draw_cfg_nodes_for_loop): Same.
* hard-reg-set.h (hard_reg_set_iter_next): Same.
* hsa-brig.c: Same.
* hsa-common.h (hsa_internal_fn_hasher::equal): Same.
* hsa-dump.c (dump_hsa_cfun): Same.
* hsa-gen.c (gen_function_def_parameters): Same.
* hsa-regalloc.c (dump_hsa_cfun_regalloc): Same.
* input.c (dump_line_table_statistics): Same.
(test_lexer): Same.
* input.h: Same.
* internal-fn.c (get_multi_vector_move): Same.
(expand_load_lanes_optab_fn): Same.
(expand_GOMP_SIMT_ENTER_ALLOC): Same.
(expand_GOMP_SIMT_EXIT): Same.
(expand_GOMP_SIMT_LAST_LANE): Same.
(expand_GOMP_SIMT_ORDERED_PRED): Same.
(expand_GOMP_SIMT_VOTE_ANY): Same.
(expand_GOMP_SIMT_XCHG_BFLY): Same.
(expand_GOMP_SIMT_XCHG_IDX): Same.
(expand_addsub_overflow): Same.
(expand_neg_overflow): Same.
(expand_mul_overflow): Same.
(expand_call_mem_ref): Same.
(expand_mask_load_optab_fn): Same.
(expand_scatter_store_optab_fn): Same.
(expand_gather_load_optab_fn): Same.
* ipa-cp.c (ipa_get_parm_lattices): Same.
(print_all_lattices): Same.
(ignore_edge_p): Same.
(build_toporder_info): Same.
(free_toporder_info): Same.
(push_node_to_stack): Same.
(ipcp_lattice<valtype>::set_contains_variable): Same.
(set_agg_lats_to_bottom): Same.
(ipcp_bits_lattice::meet_with): Same.
(set_single_call_flag): Same.
(initialize_node_lattices): Same.
(ipa_get_jf_ancestor_result): Same.
(ipcp_verify_propagated_values): Same.
(propagate_scalar_across_jump_function): Same.
(propagate_context_across_jump_function): Same.
(propagate_bits_across_jump_function): Same.
(ipa_vr_operation_and_type_effects): Same.
(propagate_vr_across_jump_function): Same.
(set_check_aggs_by_ref): Same.
(set_chain_of_aglats_contains_variable): Same.
(merge_aggregate_lattices): Same.
(agg_pass_through_permissible_p): Same.
(propagate_aggs_across_jump_function): Same.
(call_passes_through_thunk_p): Same.
(propagate_constants_across_call): Same.
(devirtualization_time_bonus): Same.
(good_cloning_opportunity_p): Same.
(context_independent_aggregate_values): Same.
(gather_context_independent_values): Same.
(perform_estimation_of_a_value): Same.
(estimate_local_effects): Same.
(value_topo_info<valtype>::add_val): Same.
(add_all_node_vals_to_toposort): Same.
(value_topo_info<valtype>::propagate_effects): Same.
(ipcp_propagate_stage): Same.
(ipcp_discover_new_direct_edges): Same.
(same_node_or_its_all_contexts_clone_p): Same.
(cgraph_edge_brings_value_p): Same.
(gather_edges_for_value): Same.
(create_specialized_node): Same.
(find_more_scalar_values_for_callers_subset): Same.
(find_more_contexts_for_caller_subset): Same.
(copy_plats_to_inter): Same.
(intersect_aggregates_with_edge): Same.
(find_aggregate_values_for_callers_subset): Same.
(cgraph_edge_brings_all_agg_vals_for_node): Same.
(decide_about_value): Same.
(decide_whether_version_node): Same.
(spread_undeadness): Same.
(identify_dead_nodes): Same.
(ipcp_store_vr_results): Same.
* ipa-devirt.c (final_warning_record::grow_type_warnings): Same.
* ipa-fnsummary.c (ipa_fn_summary::account_size_time): Same.
(redirect_to_unreachable): Same.
(edge_set_predicate): Same.
(evaluate_conditions_for_known_args): Same.
(evaluate_properties_for_edge): Same.
(ipa_fn_summary_t::duplicate): Same.
(ipa_call_summary_t::duplicate): Same.
(dump_ipa_call_summary): Same.
(ipa_dump_fn_summary): Same.
(eliminated_by_inlining_prob): Same.
(set_cond_stmt_execution_predicate): Same.
(set_switch_stmt_execution_predicate): Same.
(compute_bb_predicates): Same.
(will_be_nonconstant_expr_predicate): Same.
(phi_result_unknown_predicate): Same.
(analyze_function_body): Same.
(compute_fn_summary): Same.
(estimate_edge_devirt_benefit): Same.
(estimate_edge_size_and_time): Same.
(estimate_calls_size_and_time): Same.
(estimate_node_size_and_time): Same.
(remap_edge_change_prob): Same.
(remap_edge_summaries): Same.
(ipa_merge_fn_summary_after_inlining): Same.
(ipa_fn_summary_generate): Same.
(inline_read_section): Same.
(ipa_fn_summary_read): Same.
(ipa_fn_summary_write): Same.
* ipa-fnsummary.h: Same.
* ipa-hsa.c (ipa_hsa_read_section): Same.
* ipa-icf-gimple.c (func_checker::compare_loops): Same.
* ipa-icf.c (sem_function::param_used_p): Same.
* ipa-inline-analysis.c (do_estimate_edge_time): Same.
* ipa-inline.c (edge_badness): Same.
(inline_small_functions): Same.
* ipa-polymorphic-call.c
(ipa_polymorphic_call_context::stream_out): Same.
* ipa-predicate.c (predicate::remap_after_duplication): Same.
(predicate::remap_after_inlining): Same.
(predicate::stream_out): Same.
* ipa-predicate.h: Same.
* ipa-profile.c (ipa_profile_read_summary): Same.
* ipa-prop.c (ipa_get_param_decl_index_1): Same.
(count_formal_params): Same.
(ipa_dump_param): Same.
(ipa_alloc_node_params): Same.
(ipa_print_node_jump_functions_for_edge): Same.
(ipa_print_node_jump_functions): Same.
(ipa_load_from_parm_agg): Same.
(get_ancestor_addr_info): Same.
(ipa_compute_jump_functions_for_edge): Same.
(ipa_analyze_virtual_call_uses): Same.
(ipa_analyze_stmt_uses): Same.
(ipa_analyze_params_uses_in_bb): Same.
(update_jump_functions_after_inlining): Same.
(try_decrement_rdesc_refcount): Same.
(ipa_impossible_devirt_target): Same.
(update_indirect_edges_after_inlining): Same.
(combine_controlled_uses_counters): Same.
(ipa_edge_args_sum_t::duplicate): Same.
(ipa_write_jump_function): Same.
(ipa_write_indirect_edge_info): Same.
(ipa_write_node_info): Same.
(ipa_read_edge_info): Same.
(ipa_prop_read_section): Same.
(read_replacements_section): Same.
* ipa-prop.h (ipa_get_param_count): Same.
(ipa_get_param): Same.
(ipa_get_type): Same.
(ipa_get_param_move_cost): Same.
(ipa_set_param_used): Same.
(ipa_get_controlled_uses): Same.
(ipa_set_controlled_uses): Same.
(ipa_get_cs_argument_count): Same.
* ipa-pure-const.c (analyze_function): Same.
(pure_const_read_summary): Same.
* ipa-ref.h: Same.
* ipa-reference.c (ipa_reference_read_optimization_summary): Same.
* ipa-split.c (test_nonssa_use): Same.
(dump_split_point): Same.
(dominated_by_forbidden): Same.
(split_part_set_ssa_name_p): Same.
(find_split_points): Same.
* ira-build.c (finish_loop_tree_nodes): Same.
(low_pressure_loop_node_p): Same.
* ira-color.c (ira_reuse_stack_slot): Same.
* ira-int.h: Same.
* ira.c (setup_reg_equiv): Same.
(print_insn_chain): Same.
(ira): Same.
* loop-doloop.c (doloop_condition_get): Same.
(add_test): Same.
(record_reg_sets): Same.
(doloop_optimize): Same.
* loop-init.c (loop_optimizer_init): Same.
(fix_loop_structure): Same.
* loop-invariant.c (merge_identical_invariants): Same.
(compute_always_reached): Same.
(find_exits): Same.
(may_assign_reg_p): Same.
(find_invariants_bb): Same.
(find_invariants_body): Same.
(replace_uses): Same.
(can_move_invariant_reg): Same.
(free_inv_motion_data): Same.
(move_single_loop_invariants): Same.
(change_pressure): Same.
(mark_ref_regs): Same.
(calculate_loop_reg_pressure): Same.
* loop-iv.c (biv_entry_hasher::equal): Same.
(iv_extend_to_rtx_code): Same.
(check_iv_ref_table_size): Same.
(clear_iv_info): Same.
(latch_dominating_def): Same.
(iv_get_reaching_def): Same.
(iv_constant): Same.
(iv_subreg): Same.
(iv_extend): Same.
(iv_neg): Same.
(iv_add): Same.
(iv_mult): Same.
(get_biv_step): Same.
(record_iv): Same.
(analyzed_for_bivness_p): Same.
(record_biv): Same.
(iv_analyze_biv): Same.
(iv_analyze_expr): Same.
(iv_analyze_def): Same.
(iv_analyze_op): Same.
(iv_analyze): Same.
(iv_analyze_result): Same.
(biv_p): Same.
(eliminate_implied_conditions): Same.
(simplify_using_initial_values): Same.
(shorten_into_mode): Same.
(canonicalize_iv_subregs): Same.
(determine_max_iter): Same.
(check_simple_exit): Same.
(find_simple_exit): Same.
(get_simple_loop_desc): Same.
* loop-unroll.c (report_unroll): Same.
(decide_unrolling): Same.
(unroll_loops): Same.
(loop_exit_at_end_p): Same.
(decide_unroll_constant_iterations): Same.
(unroll_loop_constant_iterations): Same.
(compare_and_jump_seq): Same.
(unroll_loop_runtime_iterations): Same.
(decide_unroll_stupid): Same.
(unroll_loop_stupid): Same.
(referenced_in_one_insn_in_loop_p): Same.
(reset_debug_uses_in_loop): Same.
(analyze_iv_to_split_insn): Same.
* lra-eliminations.c (lra_debug_elim_table): Same.
(setup_can_eliminate): Same.
(form_sum): Same.
(lra_get_elimination_hard_regno): Same.
(lra_eliminate_regs_1): Same.
(eliminate_regs_in_insn): Same.
(update_reg_eliminate): Same.
(init_elimination): Same.
(lra_eliminate): Same.
* lra-int.h: Same.
* lra-lives.c (initiate_live_solver): Same.
* lra-remat.c (create_remat_bb_data): Same.
* lra-spills.c (lra_spill): Same.
* lra.c (lra_set_insn_recog_data): Same.
(lra_set_used_insn_alternative_by_uid): Same.
(init_reg_info): Same.
(expand_reg_info): Same.
* lto-cgraph.c (output_symtab): Same.
(read_identifier): Same.
(get_alias_symbol): Same.
(input_node): Same.
(input_varpool_node): Same.
(input_ref): Same.
(input_edge): Same.
(input_cgraph_1): Same.
(input_refs): Same.
(input_symtab): Same.
(input_offload_tables): Same.
(output_cgraph_opt_summary): Same.
(input_edge_opt_summary): Same.
(input_cgraph_opt_section): Same.
* lto-section-in.c (lto_free_raw_section_data): Same.
(lto_create_simple_input_block): Same.
(lto_free_function_in_decl_state_for_node): Same.
* lto-streamer-in.c (lto_tag_check_set): Same.
(lto_location_cache::revert_location_cache): Same.
(lto_location_cache::input_location): Same.
(lto_input_location): Same.
(stream_input_location_now): Same.
(lto_input_tree_ref): Same.
(lto_input_eh_catch_list): Same.
(input_eh_region): Same.
(lto_init_eh): Same.
(make_new_block): Same.
(input_cfg): Same.
(fixup_call_stmt_edges): Same.
(input_struct_function_base): Same.
(input_function): Same.
(lto_read_body_or_constructor): Same.
(lto_read_tree_1): Same.
(lto_read_tree): Same.
(lto_input_scc): Same.
(lto_input_tree_1): Same.
(lto_input_toplevel_asms): Same.
(lto_input_mode_table): Same.
(lto_reader_init): Same.
(lto_data_in_create): Same.
* lto-streamer-out.c (output_cfg): Same.
* lto-streamer.h: Same.
* modulo-sched.c (duplicate_insns_of_cycles): Same.
(generate_prolog_epilog): Same.
(mark_loop_unsched): Same.
(dump_insn_location): Same.
(loop_canon_p): Same.
(sms_schedule): Same.
* omp-expand.c (expand_omp_for_ordered_loops): Same.
(expand_omp_for_generic): Same.
(expand_omp_for_static_nochunk): Same.
(expand_omp_for_static_chunk): Same.
(expand_omp_simd): Same.
(expand_omp_taskloop_for_inner): Same.
(expand_oacc_for): Same.
(expand_omp_atomic_pipeline): Same.
(mark_loops_in_oacc_kernels_region): Same.
* omp-offload.c (oacc_xform_loop): Same.
* omp-simd-clone.c (simd_clone_adjust): Same.
* optabs-query.c (get_traditional_extraction_insn): Same.
* optabs.c (expand_vector_broadcast): Same.
(expand_binop_directly): Same.
(expand_twoval_unop): Same.
(expand_twoval_binop): Same.
(expand_unop_direct): Same.
(emit_indirect_jump): Same.
(emit_conditional_move): Same.
(emit_conditional_neg_or_complement): Same.
(emit_conditional_add): Same.
(vector_compare_rtx): Same.
(expand_vec_perm_1): Same.
(expand_vec_perm_const): Same.
(expand_vec_cond_expr): Same.
(expand_vec_series_expr): Same.
(maybe_emit_atomic_exchange): Same.
(maybe_emit_sync_lock_test_and_set): Same.
(expand_atomic_compare_and_swap): Same.
(expand_atomic_load): Same.
(expand_atomic_store): Same.
(maybe_emit_op): Same.
(valid_multiword_target_p): Same.
(create_integer_operand): Same.
(maybe_legitimize_operand_same_code): Same.
(maybe_legitimize_operand): Same.
(create_convert_operand_from_type): Same.
(can_reuse_operands_p): Same.
(maybe_legitimize_operands): Same.
(maybe_gen_insn): Same.
(maybe_expand_insn): Same.
(maybe_expand_jump_insn): Same.
(expand_insn): Same.
* optabs.h (create_expand_operand): Same.
(create_fixed_operand): Same.
(create_output_operand): Same.
(create_input_operand): Same.
(create_convert_operand_to): Same.
(create_convert_operand_from): Same.
* optinfo.h: Same.
* poly-int.h: Same.
* predict.c (optimize_insn_for_speed_p): Same.
(optimize_loop_for_size_p): Same.
(optimize_loop_for_speed_p): Same.
(optimize_loop_nest_for_speed_p): Same.
(get_base_value): Same.
(predicted_by_loop_heuristics_p): Same.
(predict_extra_loop_exits): Same.
(predict_loops): Same.
(predict_paths_for_bb): Same.
(predict_paths_leading_to): Same.
(propagate_freq): Same.
(pass_profile::execute): Same.
* predict.h: Same.
* profile-count.c (profile_count::differs_from_p): Same.
(profile_probability::differs_lot_from_p): Same.
* profile-count.h: Same.
* profile.c (branch_prob): Same.
* regrename.c (free_chain_data): Same.
(mark_conflict): Same.
(create_new_chain): Same.
(merge_overlapping_regs): Same.
(init_rename_info): Same.
(merge_chains): Same.
(regrename_analyze): Same.
(regrename_do_replace): Same.
(scan_rtx_reg): Same.
(record_out_operands): Same.
(build_def_use): Same.
* regrename.h: Same.
* reload.h: Same.
* reload1.c (init_reload): Same.
(maybe_fix_stack_asms): Same.
(copy_reloads): Same.
(count_pseudo): Same.
(count_spilled_pseudo): Same.
(find_reg): Same.
(find_reload_regs): Same.
(select_reload_regs): Same.
(spill_hard_reg): Same.
(fixup_eh_region_note): Same.
(set_reload_reg): Same.
(allocate_reload_reg): Same.
(compute_reload_subreg_offset): Same.
(reload_adjust_reg_for_icode): Same.
(emit_input_reload_insns): Same.
(emit_output_reload_insns): Same.
(do_input_reload): Same.
(inherit_piecemeal_p): Same.
* rtl.h: Same.
* sanopt.c (maybe_get_dominating_check): Same.
(maybe_optimize_ubsan_ptr_ifn): Same.
(can_remove_asan_check): Same.
(maybe_optimize_asan_check_ifn): Same.
(sanopt_optimize_walker): Same.
* sched-deps.c (add_dependence_list): Same.
(chain_to_prev_insn): Same.
(add_insn_mem_dependence): Same.
(create_insn_reg_set): Same.
(maybe_extend_reg_info_p): Same.
(sched_analyze_reg): Same.
(sched_analyze_1): Same.
(get_implicit_reg_pending_clobbers): Same.
(chain_to_prev_insn_p): Same.
(deps_analyze_insn): Same.
(deps_start_bb): Same.
(sched_free_deps): Same.
(init_deps): Same.
(init_deps_reg_last): Same.
(free_deps): Same.
* sched-ebb.c: Same.
* sched-int.h: Same.
* sched-rgn.c (add_branch_dependences): Same.
(concat_insn_mem_list): Same.
(deps_join): Same.
(sched_rgn_compute_dependencies): Same.
* sel-sched-ir.c (reset_target_context): Same.
(copy_deps_context): Same.
(init_id_from_df): Same.
(has_dependence_p): Same.
(change_loops_latches): Same.
(bb_top_order_comparator): Same.
(make_region_from_loop_preheader): Same.
(sel_init_pipelining): Same.
(get_loop_nest_for_rgn): Same.
(make_regions_from_the_rest): Same.
(sel_is_loop_preheader_p): Same.
* sel-sched-ir.h (inner_loop_header_p): Same.
(get_all_loop_exits): Same.
* selftest.h: Same.
* sese.c (sese_build_liveouts): Same.
(sese_insert_phis_for_liveouts): Same.
* sese.h (defined_in_sese_p): Same.
* sreal.c (sreal::stream_out): Same.
* sreal.h: Same.
* streamer-hooks.h: Same.
* target-globals.c (save_target_globals): Same.
* target-globals.h: Same.
* target.def: Same.
* target.h: Same.
* targhooks.c (default_has_ifunc_p): Same.
(default_empty_mask_is_expensive): Same.
(default_init_cost): Same.
* targhooks.h: Same.
* toplev.c: Same.
* tree-affine.c (aff_combination_mult): Same.
(aff_combination_expand): Same.
(aff_combination_constant_multiple_p): Same.
* tree-affine.h: Same.
* tree-cfg.c (build_gimple_cfg): Same.
(replace_loop_annotate_in_block): Same.
(replace_uses_by): Same.
(remove_bb): Same.
(dump_cfg_stats): Same.
(gimple_duplicate_sese_region): Same.
(gimple_duplicate_sese_tail): Same.
(move_block_to_fn): Same.
(replace_block_vars_by_duplicates): Same.
(move_sese_region_to_fn): Same.
(print_loops_bb): Same.
(print_loop): Same.
(print_loops): Same.
(debug): Same.
(debug_loops): Same.
* tree-cfg.h: Same.
* tree-chrec.c (chrec_fold_plus_poly_poly): Same.
(chrec_fold_multiply_poly_poly): Same.
(chrec_evaluate): Same.
(chrec_component_in_loop_num): Same.
(reset_evolution_in_loop): Same.
(is_multivariate_chrec): Same.
(chrec_contains_symbols): Same.
(nb_vars_in_chrec): Same.
(chrec_convert_1): Same.
(chrec_convert_aggressive): Same.
* tree-chrec.h: Same.
* tree-core.h: Same.
* tree-data-ref.c (dump_data_dependence_relation): Same.
(canonicalize_base_object_address): Same.
(data_ref_compare_tree): Same.
(prune_runtime_alias_test_list): Same.
(get_segment_min_max): Same.
(create_intersect_range_checks): Same.
(conflict_fn_no_dependence): Same.
(object_address_invariant_in_loop_p): Same.
(analyze_ziv_subscript): Same.
(analyze_siv_subscript_cst_affine): Same.
(analyze_miv_subscript): Same.
(analyze_overlapping_iterations): Same.
(build_classic_dist_vector_1): Same.
(add_other_self_distances): Same.
(same_access_functions): Same.
(build_classic_dir_vector): Same.
(subscript_dependence_tester_1): Same.
(subscript_dependence_tester): Same.
(access_functions_are_affine_or_constant_p): Same.
(get_references_in_stmt): Same.
(loop_nest_has_data_refs): Same.
(graphite_find_data_references_in_stmt): Same.
(find_data_references_in_bb): Same.
(get_base_for_alignment): Same.
(find_loop_nest_1): Same.
(find_loop_nest): Same.
* tree-data-ref.h (dr_alignment): Same.
(ddr_dependence_level): Same.
* tree-if-conv.c (fold_build_cond_expr): Same.
(add_to_predicate_list): Same.
(add_to_dst_predicate_list): Same.
(phi_convertible_by_degenerating_args): Same.
(idx_within_array_bound): Same.
(all_preds_critical_p): Same.
(pred_blocks_visited_p): Same.
(predicate_bbs): Same.
(build_region): Same.
(if_convertible_loop_p_1): Same.
(is_cond_scalar_reduction): Same.
(predicate_scalar_phi): Same.
(remove_conditions_and_labels): Same.
(combine_blocks): Same.
(version_loop_for_if_conversion): Same.
(versionable_outer_loop_p): Same.
(ifcvt_local_dce): Same.
(tree_if_conversion): Same.
(pass_if_conversion::gate): Same.
* tree-if-conv.h: Same.
* tree-inline.c (maybe_move_debug_stmts_to_successors): Same.
* tree-loop-distribution.c (bb_top_order_cmp): Same.
(free_rdg): Same.
(stmt_has_scalar_dependences_outside_loop): Same.
(copy_loop_before): Same.
(create_bb_after_loop): Same.
(const_with_all_bytes_same): Same.
(generate_memset_builtin): Same.
(generate_memcpy_builtin): Same.
(destroy_loop): Same.
(build_rdg_partition_for_vertex): Same.
(compute_access_range): Same.
(data_ref_segment_size): Same.
(latch_dominated_by_data_ref): Same.
(compute_alias_check_pairs): Same.
(fuse_memset_builtins): Same.
(finalize_partitions): Same.
(find_seed_stmts_for_distribution): Same.
(prepare_perfect_loop_nest): Same.
* tree-parloops.c (lambda_transform_legal_p): Same.
(loop_parallel_p): Same.
(reduc_stmt_res): Same.
(add_field_for_name): Same.
(create_call_for_reduction_1): Same.
(replace_uses_in_bb_by): Same.
(transform_to_exit_first_loop_alt): Same.
(try_transform_to_exit_first_loop_alt): Same.
(transform_to_exit_first_loop): Same.
(num_phis): Same.
(gen_parallel_loop): Same.
(gather_scalar_reductions): Same.
(get_omp_data_i_param): Same.
(try_create_reduction_list): Same.
(oacc_entry_exit_single_gang): Same.
(parallelize_loops): Same.
* tree-pass.h: Same.
* tree-predcom.c (determine_offset): Same.
(last_always_executed_block): Same.
(split_data_refs_to_components): Same.
(suitable_component_p): Same.
(valid_initializer_p): Same.
(find_looparound_phi): Same.
(insert_looparound_copy): Same.
(add_looparound_copies): Same.
(determine_roots_comp): Same.
(predcom_tmp_var): Same.
(initialize_root_vars): Same.
(initialize_root_vars_store_elim_1): Same.
(initialize_root_vars_store_elim_2): Same.
(finalize_eliminated_stores): Same.
(initialize_root_vars_lm): Same.
(remove_stmt): Same.
(determine_unroll_factor): Same.
(execute_pred_commoning_cbck): Same.
(base_names_in_chain_on): Same.
(combine_chains): Same.
(pcom_stmt_dominates_stmt_p): Same.
(try_combine_chains): Same.
(prepare_initializers_chain_store_elim): Same.
(prepare_initializers_chain): Same.
(prepare_initializers): Same.
(prepare_finalizers_chain): Same.
(prepare_finalizers): Same.
(insert_init_seqs): Same.
* tree-scalar-evolution.c (loop_phi_node_p): Same.
(compute_overall_effect_of_inner_loop): Same.
(add_to_evolution_1): Same.
(add_to_evolution): Same.
(follow_ssa_edge_binary): Same.
(follow_ssa_edge_expr): Same.
(backedge_phi_arg_p): Same.
(follow_ssa_edge_in_condition_phi_branch): Same.
(follow_ssa_edge_in_condition_phi): Same.
(follow_ssa_edge_inner_loop_phi): Same.
(follow_ssa_edge): Same.
(analyze_evolution_in_loop): Same.
(analyze_initial_condition): Same.
(interpret_loop_phi): Same.
(interpret_condition_phi): Same.
(interpret_rhs_expr): Same.
(interpret_expr): Same.
(interpret_gimple_assign): Same.
(analyze_scalar_evolution_1): Same.
(analyze_scalar_evolution): Same.
(analyze_scalar_evolution_for_address_of): Same.
(get_instantiated_value_entry): Same.
(loop_closed_phi_def): Same.
(instantiate_scev_name): Same.
(instantiate_scev_poly): Same.
(instantiate_scev_binary): Same.
(instantiate_scev_convert): Same.
(instantiate_scev_not): Same.
(instantiate_scev_r): Same.
(instantiate_scev): Same.
(resolve_mixers): Same.
(initialize_scalar_evolutions_analyzer): Same.
(scev_reset_htab): Same.
(scev_reset): Same.
(derive_simple_iv_with_niters): Same.
(simple_iv_with_niters): Same.
(expression_expensive_p): Same.
(final_value_replacement_loop): Same.
* tree-scalar-evolution.h (block_before_loop): Same.
* tree-ssa-address.h: Same.
* tree-ssa-dce.c (find_obviously_necessary_stmts): Same.
* tree-ssa-dom.c (edge_info::record_simple_equiv): Same.
(record_edge_info): Same.
* tree-ssa-live.c (var_map_base_fini): Same.
(remove_unused_locals): Same.
* tree-ssa-live.h: Same.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Same.
(pass_ch_vect::execute): Same.
(pass_ch::process_loop_p): Same.
* tree-ssa-loop-im.c (mem_ref_hasher::hash): Same.
(movement_possibility): Same.
(outermost_invariant_loop): Same.
(stmt_cost): Same.
(determine_max_movement): Same.
(invariantness_dom_walker::before_dom_children): Same.
(move_computations): Same.
(may_move_till): Same.
(force_move_till_op): Same.
(force_move_till): Same.
(memref_free): Same.
(record_mem_ref_loc): Same.
(set_ref_stored_in_loop): Same.
(mark_ref_stored): Same.
(sort_bbs_in_loop_postorder_cmp): Same.
(sort_locs_in_loop_postorder_cmp): Same.
(analyze_memory_references): Same.
(mem_refs_may_alias_p): Same.
(find_ref_loc_in_loop_cmp): Same.
(rewrite_mem_ref_loc::operator): Same.
(first_mem_ref_loc_1::operator): Same.
(sm_set_flag_if_changed::operator): Same.
(execute_sm_if_changed_flag_set): Same.
(execute_sm): Same.
(hoist_memory_references): Same.
(ref_always_accessed::operator): Same.
(refs_independent_p): Same.
(record_dep_loop): Same.
(ref_indep_loop_p_1): Same.
(ref_indep_loop_p): Same.
(can_sm_ref_p): Same.
(find_refs_for_sm): Same.
(loop_suitable_for_sm): Same.
(store_motion_loop): Same.
(store_motion): Same.
(fill_always_executed_in): Same.
* tree-ssa-loop-ivcanon.c (constant_after_peeling): Same.
(estimated_unrolled_size): Same.
(loop_edge_to_cancel): Same.
(remove_exits_and_undefined_stmts): Same.
(remove_redundant_iv_tests): Same.
(unloop_loops): Same.
(estimated_peeled_sequence_size): Same.
(try_peel_loop): Same.
(canonicalize_loop_induction_variables): Same.
(canonicalize_induction_variables): Same.
* tree-ssa-loop-ivopts.c (iv_inv_expr_hasher::equal): Same.
(name_info): Same.
(stmt_after_inc_pos): Same.
(contains_abnormal_ssa_name_p): Same.
(niter_for_exit): Same.
(find_bivs): Same.
(mark_bivs): Same.
(find_givs_in_bb): Same.
(find_induction_variables): Same.
(find_interesting_uses_cond): Same.
(outermost_invariant_loop_for_expr): Same.
(idx_find_step): Same.
(add_candidate_1): Same.
(add_iv_candidate_derived_from_uses): Same.
(alloc_use_cost_map): Same.
(prepare_decl_rtl): Same.
(generic_predict_doloop_p): Same.
(computation_cost): Same.
(determine_common_wider_type): Same.
(get_computation_aff_1): Same.
(get_use_type): Same.
(determine_group_iv_cost_address): Same.
(iv_period): Same.
(difference_cannot_overflow_p): Same.
(may_eliminate_iv): Same.
(determine_set_costs): Same.
(cheaper_cost_pair): Same.
(compare_cost_pair): Same.
(iv_ca_cand_for_group): Same.
(iv_ca_recount_cost): Same.
(iv_ca_set_remove_invs): Same.
(iv_ca_set_no_cp): Same.
(iv_ca_set_add_invs): Same.
(iv_ca_set_cp): Same.
(iv_ca_add_group): Same.
(iv_ca_cost): Same.
(iv_ca_compare_deps): Same.
(iv_ca_delta_reverse): Same.
(iv_ca_delta_commit): Same.
(iv_ca_cand_used_p): Same.
(iv_ca_delta_free): Same.
(iv_ca_new): Same.
(iv_ca_free): Same.
(iv_ca_dump): Same.
(iv_ca_extend): Same.
(iv_ca_narrow): Same.
(iv_ca_prune): Same.
(cheaper_cost_with_cand): Same.
(iv_ca_replace): Same.
(try_add_cand_for): Same.
(get_initial_solution): Same.
(try_improve_iv_set): Same.
(find_optimal_iv_set_1): Same.
(create_new_iv): Same.
(rewrite_use_compare): Same.
(remove_unused_ivs): Same.
(determine_scaling_factor): Same.
* tree-ssa-loop-ivopts.h: Same.
* tree-ssa-loop-manip.c (create_iv): Same.
(compute_live_loop_exits): Same.
(add_exit_phi): Same.
(add_exit_phis): Same.
(find_uses_to_rename_use): Same.
(find_uses_to_rename_def): Same.
(find_uses_to_rename_in_loop): Same.
(rewrite_into_loop_closed_ssa): Same.
(check_loop_closed_ssa_bb): Same.
(split_loop_exit_edge): Same.
(ip_end_pos): Same.
(ip_normal_pos): Same.
(copy_phi_node_args): Same.
(gimple_duplicate_loop_to_header_edge): Same.
(can_unroll_loop_p): Same.
(determine_exit_conditions): Same.
(scale_dominated_blocks_in_loop): Same.
(niter_for_unrolled_loop): Same.
(tree_transform_and_unroll_loop): Same.
(rewrite_all_phi_nodes_with_iv): Same.
* tree-ssa-loop-manip.h: Same.
* tree-ssa-loop-niter.c (number_of_iterations_ne_max): Same.
(number_of_iterations_ne): Same.
(assert_no_overflow_lt): Same.
(assert_loop_rolls_lt): Same.
(number_of_iterations_lt): Same.
(adjust_cond_for_loop_until_wrap): Same.
(tree_simplify_using_condition): Same.
(simplify_using_initial_conditions): Same.
(simplify_using_outer_evolutions): Same.
(loop_only_exit_p): Same.
(ssa_defined_by_minus_one_stmt_p): Same.
(number_of_iterations_popcount): Same.
(number_of_iterations_exit): Same.
(find_loop_niter): Same.
(finite_loop_p): Same.
(chain_of_csts_start): Same.
(get_val_for): Same.
(loop_niter_by_eval): Same.
(derive_constant_upper_bound_ops): Same.
(do_warn_aggressive_loop_optimizations): Same.
(record_estimate): Same.
(get_cst_init_from_scev): Same.
(record_nonwrapping_iv): Same.
(idx_infer_loop_bounds): Same.
(infer_loop_bounds_from_ref): Same.
(infer_loop_bounds_from_array): Same.
(infer_loop_bounds_from_pointer_arith): Same.
(infer_loop_bounds_from_signedness): Same.
(bound_index): Same.
(discover_iteration_bound_by_body_walk): Same.
(maybe_lower_iteration_bound): Same.
(estimate_numbers_of_iterations): Same.
(estimated_loop_iterations): Same.
(estimated_loop_iterations_int): Same.
(max_loop_iterations): Same.
(max_loop_iterations_int): Same.
(likely_max_loop_iterations): Same.
(likely_max_loop_iterations_int): Same.
(estimated_stmt_executions_int): Same.
(max_stmt_executions): Same.
(likely_max_stmt_executions): Same.
(estimated_stmt_executions): Same.
(stmt_dominates_stmt_p): Same.
(nowrap_type_p): Same.
(loop_exits_before_overflow): Same.
(scev_var_range_cant_overflow): Same.
(scev_probably_wraps_p): Same.
(free_numbers_of_iterations_estimates): Same.
* tree-ssa-loop-niter.h: Same.
* tree-ssa-loop-prefetch.c (release_mem_refs): Same.
(idx_analyze_ref): Same.
(analyze_ref): Same.
(gather_memory_references_ref): Same.
(mark_nontemporal_store): Same.
(emit_mfence_after_loop): Same.
(may_use_storent_in_loop_p): Same.
(mark_nontemporal_stores): Same.
(should_unroll_loop_p): Same.
(volume_of_dist_vector): Same.
(add_subscript_strides): Same.
(self_reuse_distance): Same.
(insn_to_prefetch_ratio_too_small_p): Same.
* tree-ssa-loop-split.c (split_at_bb_p): Same.
(patch_loop_exit): Same.
(find_or_create_guard_phi): Same.
(easy_exit_values): Same.
(connect_loop_phis): Same.
(connect_loops): Same.
(compute_new_first_bound): Same.
(split_loop): Same.
(tree_ssa_split_loops): Same.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Same.
(is_maybe_undefined): Same.
(tree_may_unswitch_on): Same.
(simplify_using_entry_checks): Same.
(tree_unswitch_single_loop): Same.
(tree_unswitch_loop): Same.
(tree_unswitch_outer_loop): Same.
(empty_bb_without_guard_p): Same.
(used_outside_loop_p): Same.
(get_vop_from_header): Same.
(hoist_guard): Same.
* tree-ssa-loop.c (gate_oacc_kernels): Same.
(get_lsm_tmp_name): Same.
* tree-ssa-loop.h: Same.
* tree-ssa-reassoc.c (add_repeat_to_ops_vec): Same.
(build_and_add_sum): Same.
(no_side_effect_bb): Same.
(get_ops): Same.
(linearize_expr): Same.
(should_break_up_subtract): Same.
(linearize_expr_tree): Same.
* tree-ssa-scopedtables.c: Same.
* tree-ssa-scopedtables.h: Same.
* tree-ssa-structalias.c (condense_visit): Same.
(label_visit): Same.
(dump_pred_graph): Same.
(perform_var_substitution): Same.
(move_complex_constraints): Same.
(remove_preds_and_fake_succs): Same.
* tree-ssa-threadupdate.c (dbds_continue_enumeration_p): Same.
(determine_bb_domination_status): Same.
(duplicate_thread_path): Same.
(thread_through_all_blocks): Same.
* tree-ssa-threadupdate.h: Same.
* tree-streamer-in.c (streamer_read_string_cst): Same.
(input_identifier): Same.
(unpack_ts_type_common_value_fields): Same.
(unpack_ts_block_value_fields): Same.
(unpack_ts_translation_unit_decl_value_fields): Same.
(unpack_ts_omp_clause_value_fields): Same.
(streamer_read_tree_bitfields): Same.
(streamer_alloc_tree): Same.
(lto_input_ts_common_tree_pointers): Same.
(lto_input_ts_vector_tree_pointers): Same.
(lto_input_ts_poly_tree_pointers): Same.
(lto_input_ts_complex_tree_pointers): Same.
(lto_input_ts_decl_minimal_tree_pointers): Same.
(lto_input_ts_decl_common_tree_pointers): Same.
(lto_input_ts_decl_non_common_tree_pointers): Same.
(lto_input_ts_decl_with_vis_tree_pointers): Same.
(lto_input_ts_field_decl_tree_pointers): Same.
(lto_input_ts_function_decl_tree_pointers): Same.
(lto_input_ts_type_common_tree_pointers): Same.
(lto_input_ts_type_non_common_tree_pointers): Same.
(lto_input_ts_list_tree_pointers): Same.
(lto_input_ts_vec_tree_pointers): Same.
(lto_input_ts_exp_tree_pointers): Same.
(lto_input_ts_block_tree_pointers): Same.
(lto_input_ts_binfo_tree_pointers): Same.
(lto_input_ts_constructor_tree_pointers): Same.
(lto_input_ts_omp_clause_tree_pointers): Same.
(streamer_read_tree_body): Same.
* tree-streamer.h: Same.
* tree-switch-conversion.c (bit_test_cluster::is_beneficial): Same.
* tree-vect-data-refs.c (vect_get_smallest_scalar_type): Same.
(vect_analyze_possibly_independent_ddr): Same.
(vect_analyze_data_ref_dependence): Same.
(vect_compute_data_ref_alignment): Same.
(vect_enhance_data_refs_alignment): Same.
(vect_analyze_data_ref_access): Same.
(vect_check_gather_scatter): Same.
(vect_find_stmt_data_reference): Same.
(vect_create_addr_base_for_vector_ref): Same.
(vect_setup_realignment): Same.
(vect_supportable_dr_alignment): Same.
* tree-vect-loop-manip.c (rename_variables_in_bb): Same.
(adjust_phi_and_debug_stmts): Same.
(vect_set_loop_mask): Same.
(add_preheader_seq): Same.
(vect_maybe_permute_loop_masks): Same.
(vect_set_loop_masks_directly): Same.
(vect_set_loop_condition_masked): Same.
(vect_set_loop_condition_unmasked): Same.
(slpeel_duplicate_current_defs_from_edges): Same.
(slpeel_add_loop_guard): Same.
(slpeel_can_duplicate_loop_p): Same.
(create_lcssa_for_virtual_phi): Same.
(iv_phi_p): Same.
(vect_update_ivs_after_vectorizer): Same.
(vect_gen_vector_loop_niters_mult_vf): Same.
(slpeel_update_phi_nodes_for_loops): Same.
(slpeel_update_phi_nodes_for_guard1): Same.
(find_guard_arg): Same.
(slpeel_update_phi_nodes_for_guard2): Same.
(slpeel_update_phi_nodes_for_lcssa): Same.
(vect_do_peeling): Same.
(vect_create_cond_for_alias_checks): Same.
(vect_loop_versioning): Same.
* tree-vect-loop.c (vect_determine_vf_for_stmt): Same.
(vect_inner_phi_in_double_reduction_p): Same.
(vect_analyze_scalar_cycles_1): Same.
(vect_fixup_scalar_cycles_with_patterns): Same.
(vect_get_loop_niters): Same.
(bb_in_loop_p): Same.
(vect_get_max_nscalars_per_iter): Same.
(vect_verify_full_masking): Same.
(vect_compute_single_scalar_iteration_cost): Same.
(vect_analyze_loop_form_1): Same.
(vect_analyze_loop_form): Same.
(vect_active_double_reduction_p): Same.
(vect_analyze_loop_operations): Same.
(neutral_op_for_slp_reduction): Same.
(vect_is_simple_reduction): Same.
(vect_model_reduction_cost): Same.
(get_initial_def_for_reduction): Same.
(get_initial_defs_for_reduction): Same.
(vect_create_epilog_for_reduction): Same.
(vectorize_fold_left_reduction): Same.
(vectorizable_reduction): Same.
(vectorizable_induction): Same.
(vectorizable_live_operation): Same.
(loop_niters_no_overflow): Same.
(vect_get_loop_mask): Same.
(vect_transform_loop_stmt): Same.
(vect_transform_loop): Same.
* tree-vect-patterns.c (vect_reassociating_reduction_p): Same.
(vect_determine_precisions): Same.
(vect_pattern_recog_1): Same.
* tree-vect-slp.c (vect_analyze_slp_instance): Same.
* tree-vect-stmts.c (stmt_vectype): Same.
(process_use): Same.
(vect_init_vector_1): Same.
(vect_truncate_gather_scatter_offset): Same.
(get_group_load_store_type): Same.
(vect_build_gather_load_calls): Same.
(vect_get_strided_load_store_ops): Same.
(vectorizable_simd_clone_call): Same.
(vectorizable_store): Same.
(permute_vec_elements): Same.
(vectorizable_load): Same.
(vect_transform_stmt): Same.
(supportable_widening_operation): Same.
* tree-vectorizer.c (vec_info::replace_stmt): Same.
(vec_info::free_stmt_vec_info): Same.
(vect_free_loop_info_assumptions): Same.
(vect_loop_vectorized_call): Same.
(set_uid_loop_bbs): Same.
(vectorize_loops): Same.
* tree-vectorizer.h (STMT_VINFO_BB_VINFO): Same.
* tree.c (add_tree_to_fld_list): Same.
(fld_type_variant_equal_p): Same.
(fld_decl_context): Same.
(fld_incomplete_type_of): Same.
(free_lang_data_in_binfo): Same.
(need_assembler_name_p): Same.
(find_decls_types_r): Same.
(get_eh_types_for_runtime): Same.
(find_decls_types_in_eh_region): Same.
(find_decls_types_in_node): Same.
(assign_assembler_name_if_needed): Same.
* value-prof.c (stream_out_histogram_value): Same.
* value-prof.h: Same.
* var-tracking.c (use_narrower_mode): Same.
(prepare_call_arguments): Same.
(vt_expand_loc_callback): Same.
(resolve_expansions_pending_recursion): Same.
(vt_expand_loc): Same.
* varasm.c (const_hash_1): Same.
(compare_constant): Same.
(tree_output_constant_def): Same.
(simplify_subtraction): Same.
(get_pool_constant): Same.
(output_constant_pool_2): Same.
(output_constant_pool_1): Same.
(mark_constants_in_pattern): Same.
(mark_constant_pool): Same.
(get_section_anchor): Same.
* vr-values.c (compare_range_with_value): Same.
(vr_values::extract_range_from_phi_node): Same.
* vr-values.h: Same.
* web.c (unionfind_union): Same.
* wide-int.h: Same.
From-SVN: r273311
|
|
non-bugs
gcc/c/ChangeLog:
PR c++/61339
* c-decl.c: Change class-key from class to struct and vice versa
to match convention and avoid -Wclass-is-pod and -Wstruct-no-pod.
* gimple-parser.c: Same.
gcc/c-family/ChangeLog:
PR c++/61339
* c-format.c (check_argument_type): Change class-key from class to
struct and vice versa to match convention and avoid -Wclass-is-pod
and -Wstruct-no-pod.
* c-pretty-print.h: Same.
gcc/cp/ChangeLog:
PR c++/61339
* constexpr.c (cxx_eval_call_expression): Change class-key from class
to struct and vice versa to match convention and avoid -Wclass-is-pod
and -Wstruct-no-pod.
* constraint.cc (get_concept_definition): Same.
* cp-tree.h: Same.
* cxx-pretty-print.h: Same.
* error.c: Same.
* logic.cc (term_list::replace): Same.
* name-lookup.c (find_local_binding): Same.
* pt.c (tsubst_binary_right_fold): Same.
* search.c (field_accessor_p): Same.
* semantics.c (expand_or_defer_fn): Same.
gcc/lto/ChangeLog:
PR c++/61339
* lto-dump.c: Change class-key from classi to struct and vice versa
to match convention and avoid -Wclass-is-pod and -Wstruct-no-pod.
gcc/ChangeLog:
PR c++/61339
* align.h: Change class-key from class to struct and vice versa
to match convention and avoid -Wclass-is-pod and -Wstruct-no-pod.
* alloc-pool.h: Same.
* asan.c (shadow_mem_size): Same.
* auto-profile.c: Same.
* basic-block.h: Same.
* bitmap.h: Same.
* cfgexpand.c (set_rtl): Same.
(expand_one_stack_var_at): Same.
* cfghooks.h: Same.
* cfgloop.h: Same.
* cgraph.h: Same.
* config/i386/i386.h: Same.
* df-problems.c (df_print_bb_index): Same.
* df-scan.c: Same.
* df.h (df_single_use): Same.
* diagnostic-show-locus.c (layout::print_annotation_line): Same.
(layout::annotation_line_showed_range_p): Same.
(get_printed_columns): Same.
(correction::ensure_terminated): Same.
(line_corrections::~line_corrections): Same.
* dojump.h: Same.
* dse.c: Same.
* dump-context.h: Same.
* dumpfile.h: Same.
* dwarf2out.c: Same.
* edit-context.c: Same.
* fibonacci_heap.c (test_union_of_equal_heaps): Same.
* flags.h: Same.
* function.c (assign_stack_local): Same.
* function.h: Same.
* gcc.c: Same.
* gcov.c (block_info::block_info): Same.
* genattrtab.c: Same.
* genextract.c: Same.
* genmatch.c (comparison_code_p): Same.
(id_base::id_base): Same.
(decision_tree::print): Same.
* genoutput.c: Same.
* genpreds.c (write_one_predicate_function): Same.
* genrecog.c (validate_pattern): Same.
(find_operand_positions): Same.
(optimize_subroutine_group): Same.
(merge_pattern_transition::merge_pattern_transition): Same.
(merge_pattern_info::merge_pattern_info): Same.
(merge_state_result::merge_state_result): Same.
(merge_into_state): Same.
* gensupport.c: Same.
* gensupport.h: Same.
* ggc-common.c (init_ggc_heuristics): Same.
* ggc-tests.c (test_union): Same.
* gimple-loop-interchange.cc (dump_induction): Same.
* gimple-loop-versioning.cc: Same.
* gimple-match.h (gimple_match_cond::any_else): Same.
* gimple-ssa-backprop.c: Same.
* gimple-ssa-sprintf.c: Same.
* gimple-ssa-store-merging.c (store_operand_info::store_operand_info): Same.
(store_immediate_info::store_immediate_info): Same.
(merged_store_group::apply_stores): Same.
(get_location_for_stmts): Same.
* gimple-ssa-strength-reduction.c: Same.
* gimple-ssa-warn-alloca.c: Same.
* gimple-ssa-warn-restrict.c (pass_wrestrict::execute): Same.
* godump.c (go_type_decl): Same.
* hash-map-tests.c (test_map_of_strings_to_int): Same.
* hash-map.h: Same.
* hash-set-tests.c (test_set_of_strings): Same.
* hsa-brig.c: Same.
* hsa-common.h: Same.
* hsa-gen.c (transformable_switch_to_sbr_p): Same.
* input.c (assert_loceq): Same.
* input.h: Same.
* ipa-cp.c: Same.
* ipa-devirt.c (possible_polymorphic_call_targets_1): Same.
* ipa-fnsummary.h: Same.
* ipa-inline.h: Same.
* ipa-prop.h: Same.
* ipa-split.c (visit_bb): Same.
* ira-int.h (minmax_set_iter_next): Same.
* loop-invariant.c: Same.
* loop-iv.c: Same.
* lra-eliminations.c: Same.
* lra-int.h: Same.
* lra-lives.c (mark_regno_dead): Same.
* lra-remat.c: Same.
* lra-spills.c: Same.
* lto-streamer.h: Same.
* mem-stats.h: Same.
* omp-grid.c (omp_grid_lastprivate_predicate): Same.
* omp-low.c (omp_clause_aligned_alignment): Same.
* optabs-query.h (get_vcond_eq_icode): Same.
* optabs.h: Same.
* opts.c (wrap_help): Same.
* poly-int.h: Same.
* predict.c (predict_paths_leading_to_edge): Same.
* pretty-print.h: Same.
* profile-count.h: Same.
* read-md.h: Same.
* read-rtl-function.c: Same.
* ree.c: Same.
* reginfo.c: Same.
* regrename.c: Same.
* regrename.h: Same.
* reload.h: Same.
* rtl-iter.h: Same.
* rtl.h (costs_add_n_insns): Same.
* sanopt.c: Same.
* sched-int.h: Same.
* sel-sched-ir.h: Same.
* selftest.h: Same.
* sese.h (vec_find): Same.
* stmt.c: Same.
* target-globals.h: Same.
* tree-affine.c (aff_combination_find_elt): Same.
* tree-affine.h: Same.
* tree-data-ref.h: Same.
* tree-outof-ssa.c (ssa_is_replaceable_p): Same.
* tree-predcom.c: Same.
* tree-scalar-evolution.c (find_var_scev_info): Same.
* tree-ssa-alias.h: Same.
* tree-ssa-ccp.c: Same.
* tree-ssa-coalesce.c (ssa_conflicts_dump): Same.
* tree-ssa-loop-im.c (for_all_locs_in_loop): Same.
(rewrite_mem_refs): Same.
(execute_sm_if_changed): Same.
(hoist_memory_references): Same.
* tree-ssa-loop-ivopts.c (operator<=): Same.
* tree-ssa-loop.h: Same.
* tree-ssa-pre.c (get_or_alloc_expr_for_name): Same.
* tree-ssa-structalias.c: Same.
* tree-switch-conversion.h (cluster::cluster): Same.
(simple_cluster::simple_cluster): Same.
* tree-vect-patterns.c (type_conversion_p): Same.
* tree-vectorizer.c (dump_stmt_cost): Same.
* tree-vectorizer.h (loop_vec_info_for_loop): Same.
* tree.c (protected_set_expr_location): Same.
* tree.h (desired_pro_or_demotion_p): Same.
(fndecl_built_in_p): Same.
* unique-ptr-tests.cc: Same.
* var-tracking.c (delete_variable_part): Same.
* varasm.c (assemble_real): Same.
(tree_output_constant_def): Same.
* vec.c: Same.
* wide-int-bitmask.h: Same.
* wide-int.h (decompose): Same.
From-SVN: r273308
|
|
2019-07-03 Martin Liska <mliska@suse.cz>
* lto-section-in.c (lto_get_section_data): Add "lto" section.
* lto-section-out.c (lto_destroy_simple_output_block): Never
compress LTO_section_lto section.
* lto-streamer-out.c (produce_asm): Do not set major_version
and minor_version.
(lto_output_toplevel_asms): Likewise.
(produce_lto_section): New function.
(lto_output): Call produce_lto_section.
(lto_write_mode_table): Do not set major_version and
minor_version.
(produce_asm_for_decls): Likewise.
* lto-streamer.h (enum lto_section_type): Add LTO_section_lto
type.
(struct lto_header): Remove.
(struct lto_section): New struct.
(struct lto_simple_header): Do not inherit from lto_header.
(struct lto_file_decl_data): Add lto_section_header field.
2019-07-03 Martin Liska <mliska@suse.cz>
* lto-common.c: Read LTO section and verify header.
From-SVN: r272995
|
|
2019-06-26 Richard Biener <rguenther@suse.de>
* lto-streamer.h (lto_bitmap_alloc): Remove.
(lto_bitmap_free): Likewise.
* lto-streamer.c (lto_bitmap_alloc): Remove.
(lto_bitmap_free): Likewise.
(lto_obstack): Likewise.
(lto_obstack_initialized): Likewise.
* lto-streamer-out.c (lto_output): Use own obstack for local
bitmap, free it consistently.
From-SVN: r272687
|
|
From-SVN: r271284
|
|
From-SVN: r267494
|
|
2018-07-04 Denys Vlasenko <dvlasenk@redhat.com>
Martin Liska <mliska@suse.cz>
PR middle-end/66240
PR target/45996
PR c/84100
* common.opt: Rename align options with 'str_' prefix.
* common/config/i386/i386-common.c (set_malign_value): New
function.
(ix86_handle_option): Use it to set -falign-* options/
* config/aarch64/aarch64-protos.h (struct tune_params): Change
type from int to string.
* config/aarch64/aarch64.c: Update default values from int
to string.
* config/alpha/alpha.c (alpha_override_options_after_change):
Likewise.
* config/arm/arm.c (arm_override_options_after_change_1): Likewise.
* config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print
max skip conditionally.
* config/i386/freebsd.h (SUBALIGN_LOG): New.
(ASM_OUTPUT_MAX_SKIP_ALIGN): Print
max skip conditionally.
* config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print
max skip conditionally.
* config/i386/gnu-user.h (SUBALIGN_LOG): New.
(ASM_OUTPUT_MAX_SKIP_ALIGN): Print
max skip conditionally.
* config/i386/i386.c (struct ptt): Change type from int to
string.
(ix86_default_align): Set default values.
* config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Print
max skip conditionally.
* config/i386/iamcu.h (SUBALIGN_LOG): New.
(ASM_OUTPUT_MAX_SKIP_ALIGN):
* config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN):
* config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Print
max skip conditionally.
* config/i386/openbsdelf.h (SUBALIGN_LOG): New.
(ASM_OUTPUT_MAX_SKIP_ALIGN) Print max skip conditionally.:
* config/i386/x86-64.h (SUBALIGN_LOG): New.
(ASM_OUTPUT_MAX_SKIP_ALIGN): Print
max skip conditionally.
(ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
* config/ia64/ia64.c (ia64_option_override): Set default values
for alignment options.
* config/m68k/m68k.c: Handle new str_align_* options.
* config/mips/mips.c (mips_set_compression_mode): Change
type of constants.
(mips_option_override): Set default values for options.
* config/powerpcspe/powerpcspe.c (rs6000_option_override_internal):
Likewise.
* config/rs6000/rs6000.c (rs6000_option_override_internal):
Likewise.
* config/rx/rx.c (rx_option_override): Likewise.
* config/rx/rx.h (JUMP_ALIGN): Use align_jumps_log.
(LABEL_ALIGN): Use align_labels_log.
(LOOP_ALIGN): Use align_loops_align.
* config/s390/s390.c (s390_asm_output_function_label): Use new
macros.
* config/sh/sh.c (sh_override_options_after_change):
Change type of constants.
* config/spu/spu.c (spu_sched_init): Likewise.
* config/sparc/sparc.c (sparc_option_override): Set default
values for options.
* config/visium/visium.c (visium_option_override): Likewise.
* config/visium/visium.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Do not
emit p2align format with last argument if it's not needed.
* doc/invoke.texi: Document extended format of -falign-*.
* final.c: Use align_labels alignment.
* flags.h (struct target_flag_state): Change type to use
align_flags.
(struct align_flags_tuple): New.
(struct align_flags): Likewise.
(align_loops_log): Redefine macro to use new types.
(align_loops_max_skip): Redefine macro to use new types.
(align_jumps_log): Redefine macro to use new types.
(align_jumps_max_skip): Redefine macro to use new types.
(align_labels_log): Redefine macro to use new types.
(align_labels_max_skip): Redefine macro to use new types.
(align_functions_log): Redefine macro to use new types.
(align_loops): Redefine macro to use new types.
(align_jumps): Redefine macro to use new types.
(align_labels): Redefine macro to use new types.
(align_functions): Redefine macro to use new types.
(align_functions_max_skip): Redefine macro to use new types.
(align_loops_value): New macro.
(align_jumps_value): New macro.
(align_labels_value): New macro.
(align_functions_value): New macro.
* function.c (invoke_set_current_function_hook): Propagate
alignment values from flags to global variables default in
topleev.h.
* ipa-icf.c (sem_function::equals_wpa): Use
cl_optimization_option_eq instead of memcmp.
* lto-streamer.h (cl_optimization_stream_out): Support streaming
of string types.
(cl_optimization_stream_in): Likewise.
* optc-save-gen.awk: Support strings in cl_optimization.
* opth-gen.awk: Likewise.
* opts.c (finish_options): Remove error checking of invalid
value ranges.
(MAX_CODE_ALIGN): Remove.
(MAX_CODE_ALIGN_VALUE): Likewise.
(parse_and_check_align_values): New function.
(check_alignment_argument): Likewise.
(common_handle_option): Use check_alignment_argument.
* opts.h (parse_and_check_align_values): Declare.
* toplev.c (init_alignments): Remove.
(read_log_maxskip): New.
(parse_N_M): Likewise.
(parse_alignment_opts): Likewise.
(backend_init_target): Remove usage of init_alignments.
* toplev.h (parse_alignment_opts): Declare.
* tree-streamer-in.c (streamer_read_tree_bitfields): Add new
argument.
* tree-streamer-out.c (streamer_write_tree_bitfields): Likewise.
* tree.c (cl_option_hasher::equal): New.
* varasm.c: Use new global macros.
2018-07-04 Martin Liska <mliska@suse.cz>
PR middle-end/66240
PR target/45996
PR c/84100
* lto.c (compare_tree_sccs_1): Use cl_optimization_option_eq
instead of memcmp.
2018-07-04 Martin Liska <mliska@suse.cz>
PR middle-end/66240
PR target/45996
PR c/84100
* gcc.dg/pr84100.c (foo):
* gcc.target/i386/falign-functions-2.c: New test.
* gcc.target/i386/falign-functions.c: New test.
From-SVN: r262375
|
|
streamed in with -Q.
* cgraph.c (cgraph_node::get_untransformed_body): Dump function
bodies streamed in with -Q.
* dumpfile.c (dump_files): Add lto-stream-out dump file.
* dumpfile.h (tree_dump_index): Add lto_stream_out.
* gimple-streamer-out.c: Include gimple-pretty-print.h
(output_bb): Dump stmts streamed.
* lto-section-out.c: Include print-tree.h
(lto_begin_section): Dump sections created.
(lto_output_decl_index): Dump decl encoded.
* lto-streamer-out.c: Include print-tree.h
(create_output_block): Dump output block created.
(DFS::DFS_write_tree_body): Dump DFS SCCs streamed.
(output_function): Dump function output.
(output_constructor): Dump constructor streamed.
(write_global_stream): Output indexes encoded.
(produce_asm_for_decls): Dump streams encoded.
* lto-streamer.c (streamer_dump_file): New global var.
* lto-streamer.h (streamer_dump_file): Declare.
* passes.c (ipa_write_summaries): Initialize streamer dump.
* varpool.c (varpool_node::get_constructor): Dump constructors streamed
in.
From-SVN: r261546
|
|
2018-06-05 Martin Liska <mliska@suse.cz>
* auto-profile.c (read_autofdo_file): Do not use
gcov_ctr_summary struct.
(afdo_callsite_hot_enough_for_early_inline): Likewise.
* coverage.c (struct counts_entry): Likewise.
(read_counts_file): Read just single summary entry.
(get_coverage_counts): Use gcov_summary struct.
* coverage.h (get_coverage_counts): Likewise.
* gcov-dump.c (dump_working_sets): Likewise.
(tag_summary): Dump just single summary.
* gcov-io.c (gcov_write_summary): Write just histogram
summary.
(gcov_read_summary): Read just single summary.
(compute_working_sets): Use gcov_summary struct.
* gcov-io.h (GCOV_TAG_SUMMARY_LENGTH): Remove usage
of GCOV_COUNTERS_SUMMABLE.
(GCOV_COUNTERS_SUMMABLE): Remove.
(GCOV_FIRST_VALUE_COUNTER): Replace with
GCOV_COUNTER_V_INTERVAL.
(struct gcov_ctr_summary): Remove.
(struct gcov_summary): Directly use fields of former
gcov_ctr_summary.
(compute_working_sets): Use gcov_summary struct.
* gcov.c (read_count_file): Do not use ctrs fields.
* lto-cgraph.c (merge_profile_summaries): Use gcov_summary
struct.
* lto-streamer.h (struct GTY): Make profile_info gcov_summary
struct.
* profile.c: Likewise.
* profile.h: Likewise.
2018-06-05 Martin Liska <mliska@suse.cz>
* libgcov-driver.c (gcov_compute_histogram): Remove usage
of gcov_ctr_summary.
(compute_summary): Do it just for a single summary.
(merge_one_data): Likewise.
(merge_summary): Simplify as we read just single summary.
(dump_one_gcov): Pass proper argument.
* libgcov-util.c (compute_one_gcov): Simplify as we have just
single summary.
(gcov_info_count_all_cold): Likewise.
(calculate_overlap): Likewise.
From-SVN: r261189
|
|
2018-04-25 Richard Biener <rguenther@suse.de>
* lto-streamer.h (LTO_major_version): Bump to 8.
From-SVN: r259638
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From-SVN: r256169
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2017-08-21 Richard Biener <rguenther@suse.de>
include/
* simple-object.h (simple_object_copy_lto_debug_sections): New
function.
libiberty/
* simple-object-common.h (struct simple_object_functions): Add
copy_lto_debug_sections hook.
* simple-object.c: Include fcntl.h.
(handle_lto_debug_sections): New helper function.
(simple_object_copy_lto_debug_sections): New function copying
early LTO debug sections to regular debug sections in a new file.
(simple_object_start_write): Handle NULL segment_name.
* simple-object-coff.c (simple_object_coff_functions): Adjust
for not implemented copy_lto_debug_sections hook.
* simple-object-mach-o.c (simple_object_mach_o_functions): Likewise.
* simple-object-xcoff.c (simple_object_xcoff_functions): Likewise.
* simple-object-elf.c (SHT_NULL, SHT_SYMTAB, SHT_RELA, SHT_REL,
SHT_GROUP): Add various sectopn header types.
(SHF_EXCLUDE): Add flag.
(Elf32_External_Sym, Elf64_External_Sym): Add symbol struct.
(ELF_ST_BIND, ELF_ST_TYPE, ELF_ST_INFO): Add accessors.
(STT_OBJECT, STT_FUNC, STT_TLS, STT_GNU_IFUNC): Add Symbol types.
(STV_DEFAULT): Add symbol visibility.
(SHN_COMMON): Add special section index name.
(struct simple_object_elf_write): New.
(simple_object_elf_start_write): Adjust for new private data.
(simple_object_elf_write_shdr): Pass in values for all fields
we write.
(simple_object_elf_write_to_file): Adjust. Copy from recorded
section headers if requested.
(simple_object_elf_release_write): Release private data.
(simple_object_elf_copy_lto_debug_sections): Copy and rename sections
as denoted by PFN and all their dependences, symbols and relocations
to the empty destination file.
(simple_object_elf_functions): Adjust for copy_lto_debug_sections hook.
gcc/
* debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
register_external_die hooks.
(debug_false_tree_charstarstar_uhwistar): Declare.
(debug_nothing_tree_charstar_uhwi): Likewise.
* debug.c (do_nothing_debug_hooks): Adjust.
(debug_false_tree_charstarstar_uhwistar): New do nothing.
(debug_nothing_tree_charstar_uhwi): Likewise.
* dbxout.c (dbx_debug_hooks): Adjust.
(xcoff_debug_hooks): Likewise.
* sdbout.c (sdb_debug_hooks): Likewise.
* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
* dwarf2out.c (macinfo_label_base): New global.
(dwarf2out_register_external_die): New function for the
register_external_die hook.
(dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
(dwarf2_debug_hooks): Use them.
(dwarf2_lineno_debug_hooks): Adjust.
(struct die_struct): Add with_offset flag.
(DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
defining section names for the early LTO debug variants.
(reset_indirect_string): New helper.
(add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
(print_dw_val): Add support for offsetted symbol references.
(get_ultimate_context): Split out from is_cxx.
(is_cxx): Use get_ultimate_context.
(is_fortran): Add decl overload.
(compute_comp_unit_symbol): Split out worker from
compute_section_prefix.
(compute_section_prefix): Call compute_comp_unit_symbol and
set comdat_type_p here.
(output_die): Skip DIE symbol output for the LTO added one.
Handle DIE symbol references with offset.
(output_comp_unit): Guard section name mangling properly.
For LTO debug sections emit a symbol at the section beginning
which we use to refer to its DIEs.
(add_abstract_origin_attribute): For DIEs registered via
dwarf2out_register_external_die directly refer to the early
DIE rather than indirectly through the shadow one we created.
Remove obsolete call to dwarf2out_abstract_function for
non-function/block origins.
(gen_array_type_die): When generating early LTO debug do
not emit DW_AT_string_length.
(gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
late when in LTO. As suggested place a gcc_unreachable for
the DECL_ABSTRACT_P case.
(gen_subprogram_die): Avoid another specification DIE
for early built declarations/definitions for the late LTO case.
(gen_variable_die): Add type references for late duplicated VLA dies
when in late LTO.
(gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
we have the abstract instance already.
(process_scope_var): Adjust decl DIE contexts in LTO which
first puts them in limbo.
(gen_decl_die): Do not generate type DIEs late apart from
types for VLAs or for decls we do not yet have a DIE. Do not
call dwarf2out_abstract_function late.
(dwarf2out_early_global_decl): Make sure to create DIEs
for abstract instances of a decl first.
(dwarf2out_late_global_decl): Adjust comment.
(output_macinfo_op): With multiple macro sections use
macinfo_label_base to distinguish labels.
(output_macinfo): Likewise. Update macinfo_label_base.
Pass in the line info label.
(note_variable_value_in_expr): When generating LTO resolve
all variable values here by generating DIEs as needed.
(init_sections_and_labels): Add early LTO debug flag parameter
and generate different sections and names if set. Add generation
counter for the labels so we can have multiple of them.
(reset_dies): Helper to allow DIEs to be output multiple times.
(dwarf2out_finish): When outputting DIEs to the fat part of an
LTO object first reset DIEs.
(dwarf2out_early_finish): Output early DIEs when generating LTO.
(modified_type_die): Check for decl_ultimate_origin being self
before recursing.
(gen_type_die_with_usage): Likewise.
(gen_typedef_die): Allow decl_ultimate_origin being self.
(set_decl_abstract_flags): Remove.
(set_block_abstract_flags): Likewise.
(dwarf2out_abstract_function): Treat the early generated DIEs
as the abstract copy and only add DW_AT_inline and
DW_AT_artificial here and call set_decl_origin_self.
If the DIE has an abstract origin don't do anything.
* tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
if we have none yet (Go fails to build one, PR78628).
(variably_modified_type_p): Prevent endless recursion for Ada
cyclic pointer types.
* lto-streamer-in.c: Include debug.h.
(dref_queue): New global.
(lto_read_tree_1): Stream in DIE references.
(lto_input_tree): Register DIE references.
(input_function): Stream DECL_DEBUG_ARGS.
* lto-streamer-out.c: Include debug.h.
(lto_write_tree_1): Output DIE references.
(DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
(output_function): Stream DECL_DEBUG_ARGS.
* tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
Stream DECL_ABSTRACT_ORIGIN.
* tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
(write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
DECL_CONTEXT for file-scope decls.
* lto-streamer.h (struct dref_entry): Declare.
(dref_queue): Likewise.
* cfgexpand.c (pass_expand::execute): Do not call the
outlining_inline_function hook here.
* lto-wrapper.c (debug_obj): New global.
(tool_cleanup): Unlink it if required.
(debug_objcopy): New function.
(run_gcc): Handle early debug sections in the IL files by
extracting them to separate files, partially linkin them and
feeding the result back as result to the linker.
* config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
sections into a separate segment.
* config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
segments.
(darwin_asm_dwarf_section): Likewise.
(darwin_asm_output_dwarf_offset): Likewise.
* config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
lto/
* lto.c (unify_scc): Truncate DIE reference queue for dropped SCCs.
(lto_read_decls): Process TRANSLATION_UNIT_DECLs. Remove
TYPE_DECL debug processing, register DIE references from
prevailing SCCs with the debug machinery.
(lto_section_with_id): Handle LTO debug sections.
libstdc++/
* testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
tests with -flto as well if supported.
testsuite/
* c-c++-common/asan/global-overflow-1.c: Adjust diagnostic location
regex to handle the LTO case.
* c-c++-common/asan/heap-overflow-1.c: Likewise.
* c-c++-common/asan/misalign-1.c: Likewise.
* c-c++-common/asan/misalign-2.c: Likewise.
* c-c++-common/asan/null-deref-1.c: Likewise.
* c-c++-common/asan/stack-overflow-1.c: Likewise.
* c-c++-common/asan/strncpy-overflow-1.c: Likewise.
* c-c++-common/asan/use-after-free-1.c: Likewise.
* c-c++-common/asan/alloca_big_alignment.c: Likewise.
* c-c++-common/asan/alloca_detect_custom_size.c: Likewise.
* c-c++-common/asan/alloca_overflow_partial.c: Likewise.
* c-c++-common/asan/alloca_overflow_right.c: Likewise.
* c-c++-common/asan/alloca_underflow_left.c: Likewise.
* g++.dg/asan/large-func-test-1.C: Likewise.
* gfortran.dg/save_6.f90: Add -flto -g variant of save_5.f90.
From-SVN: r251220
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* ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
(inline_edge_summary_vec): Turn into ...
(ipa_call_summaries): ... this one.
(redirect_to_unreachable, edge_set_predicate,
evaluate_properties_for_edge, inline_summary_alloc,
reset_ipa_call_summary, reset_inline_summary,
inline_summary_t::duplicate): Update.
(inline_edge_duplication_hook): Turn to ...
(ipa_call_summary_t::duplicate): ... this one.
(inline_edge_removal_hook): Turn to ...
(ipa_call_summary_t::remove): ... this one.
(dump_inline_edge_summary): Turn to ...
(dump_ipa_call_summary): ... this one.
(estimate_function_body_sizes): Update.
(inline_update_callee_summaries): Update.
(remap_edge_change_prob): Update.
(remap_edge_summaries): Update.
(inline_merge_summary): Update.
(do_estimate_edge_time): Update.
(inline_generate_summary): Update.
(inline_read_section): Update.
(inline_read_summary): Update.
(inline_free_summary): Update.
* ipa-inline.c (can_inline_edge_p): Update.
(compute_inlined_call_time): Update.
(want_inline_small_function_p): Update.
(edge_badness): Update.
(early_inliner): Update.
* ipa-inline.h (inline_edge_summary): Turn to ...
(ipa_call_summary): ... this one.
(ipa_call_summary_t): New class.
(inline_edge_summary_t, inline_edge_summary_vec): Remove.
(ipa_call_summaries): New.
(inline_edge_summary): Remove.
(estimate_edge_growth): Update.
* ipa-profile.c (ipa_propagate_frequency_1): Update.
* ipa-prop.c (ipa_make_edge_direct_to_target): Update.
* ipa-split.c (execute_split_functions): Update.
* ipa.c (symbol_table::remove_unreachable_nodes): Update.
From-SVN: r248365
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2017-05-02 Martin Liska <mliska@suse.cz>
PR lto/79489.
* lto-streamer-in.c (lto_read_tree_1): Remove
LTO_STREAMER_DEBUG.
* lto-streamer.c (struct tree_hash_entry): Likewise.
(struct tree_entry_hasher): Likewise.
(tree_entry_hasher::hash): Likewise.
(tree_entry_hasher::equal): Likewise.
(lto_streamer_init): Likewise.
(lto_orig_address_map): Likewise.
(lto_orig_address_get): Likewise.
(lto_orig_address_remove): Likewise.
* lto-streamer.h: Likewise.
* tree-streamer-in.c (streamer_alloc_tree): Likewise.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
From-SVN: r247501
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2017-04-28 Richard Biener <rguenther@suse.de>
* lto-streamer.h (LTO_major_version): Bump to 7.
From-SVN: r247365
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From-SVN: r243994
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DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
2016-07-25 Richard Biener <rguenther@suse.de>
* cgraph.c (cgraph_node::verify_node): Compare against builtin
by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
* tree-chkp.c (chkp_gimple_call_builtin_p): Likewise.
* tree-streamer.h (streamer_handle_as_builtin_p): Remove.
(streamer_get_builtin_tree): Likewise.
(streamer_write_builtin): Likewise.
* lto-streamer.h (LTO_builtin_decl): Remove.
* lto-streamer-in.c (lto_read_tree_1): Remove assert.
(lto_input_scc): Remove LTO_builtin_decl handling.
(lto_input_tree_1): Liekwise.
* lto-streamer-out.c (lto_output_tree_1): Remove special
handling of builtins.
(DFS::DFS): Likewise.
* tree-streamer-in.c (streamer_get_builtin_tree): Remove.
* tree-streamer-out.c (pack_ts_function_decl_value_fields): Remove
assert.
(streamer_write_builtin): Remove.
lto/
* lto.c (compare_tree_sccs_1): Remove streamer_handle_as_builtin_p uses.
(unify_scc): Likewise.
(lto_read_decls): Likewise.
From-SVN: r238709
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* lto-section-in.c (lto_get_section_data): Call
lto_check_version with additional argument.
* lto-streamer.c (lto_check_version): Add new argument.
* lto-streamer.h (lto_check_version): Likewise.
From-SVN: r236464
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2016-05-18 Richard Biener <rguenther@suse.de>
* lto-streamer.h (LTO_major_version): Bump to 6.
From-SVN: r236374
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2016-02-15 Tom de Vries <tom@codesourcery.com>
PR lto/69655
* lto-cgraph.c (input_offload_tables): Add and handle bool parameter
do_force_output.
* lto-streamer.h (input_offload_tables): Add and handle bool parameter.
* lto.c (read_cgraph_and_symbols): Call input_offload_tables with
argument.
From-SVN: r233419
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2016-01-19 Martin Jambor <mjambor@suse.cz>
Martin Liska <mliska@suse.cz>
Michael Matz <matz@suse.de>
libgomp/
* plugin/Makefrag.am: Add HSA plugin requirements.
* plugin/configfrag.ac (HSA_RUNTIME_INCLUDE): New variable.
(HSA_RUNTIME_LIB): Likewise.
(HSA_RUNTIME_CPPFLAGS): Likewise.
(HSA_RUNTIME_INCLUDE): New substitution.
(HSA_RUNTIME_LIB): Likewise.
(HSA_RUNTIME_LDFLAGS): Likewise.
(hsa-runtime): New configure option.
(hsa-runtime-include): Likewise.
(hsa-runtime-lib): Likewise.
(PLUGIN_HSA): New substitution variable.
Fill HSA_RUNTIME_INCLUDE and HSA_RUNTIME_LIB according to the new
configure options.
(PLUGIN_HSA_CPPFLAGS): Likewise.
(PLUGIN_HSA_LDFLAGS): Likewise.
(PLUGIN_HSA_LIBS): Likewise.
Check that we have access to HSA run-time.
* libgomp-plugin.h (offload_target_type): New element
OFFLOAD_TARGET_TYPE_HSA.
* libgomp.h (gomp_target_task): New fields firstprivate_copies and
args.
(bool gomp_create_target_task): Updated.
(gomp_device_descr): Extra parameter of run_func and async_run_func,
new field can_run_func.
* libgomp_g.h (GOMP_target_ext): Update prototype.
* oacc-host.c (host_run): Added a new parameter args.
* target.c (calculate_firstprivate_requirements): New function.
(copy_firstprivate_data): Likewise.
(gomp_target_fallback_firstprivate): Use them.
(gomp_target_unshare_firstprivate): New function.
(gomp_get_target_fn_addr): Allow returning NULL for shared memory
devices.
(GOMP_target): Do host fallback for all shared memory devices. Do not
pass any args to plugins.
(GOMP_target_ext): Introduce device-specific argument parameter args.
Allow host fallback if device shares memory. Do not remap data if
device has shared memory.
(gomp_target_task_fn): Likewise. Also treat shared memory devices
like host fallback for mappings.
(GOMP_target_data): Treat shared memory devices like host fallback.
(GOMP_target_data_ext): Likewise.
(GOMP_target_update): Likewise.
(GOMP_target_update_ext): Likewise. Also pass NULL as args to
gomp_create_target_task.
(GOMP_target_enter_exit_data): Likewise.
(omp_target_alloc): Treat shared memory devices like host fallback.
(omp_target_free): Likewise.
(omp_target_is_present): Likewise.
(omp_target_memcpy): Likewise.
(omp_target_memcpy_rect): Likewise.
(omp_target_associate_ptr): Likewise.
(gomp_load_plugin_for_device): Also load can_run.
* task.c (GOMP_PLUGIN_target_task_completion): Free
firstprivate_copies.
(gomp_create_target_task): Accept new argument args and store it to
ttask.
* plugin/plugin-hsa.c: New file.
gcc/
* Makefile.in (OBJS): Add new source files.
(GTFILES): Add hsa.c.
* common.opt (disable_hsa): New variable.
(-Whsa): New warning.
* config.in (ENABLE_HSA): New.
* configure.ac: Treat hsa differently from other accelerators.
(OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
$enable_offloading.
(ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
* doc/install.texi (Configuration): Document --with-hsa-runtime,
--with-hsa-runtime-include, --with-hsa-runtime-lib and
--with-hsa-kmt-lib.
* doc/invoke.texi (-Whsa): Document.
(hsa-gen-debug-stores): Likewise.
* lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
to invoke offload compiler for hsa acclerator.
* opts.c (common_handle_option): Determine whether HSA offloading
should be performed.
* params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
* builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
* gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
* gimple-pretty-print.c (dump_gimple_omp_for): Also handle
GF_OMP_FOR_KIND_GRID_LOOP.
(dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
(pp_gimple_stmt_1): Likewise.
* gimple-walk.c (walk_gimple_stmt): Likewise.
* gimple.c (gimple_build_omp_grid_body): New function.
(gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
* gimple.def (GIMPLE_OMP_GRID_BODY): New.
* gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
GF_OMP_TEAMS_GRID_PHONY.
(gimple_statement_omp_single_layout): Updated comments.
(gimple_build_omp_grid_body): New function.
(gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
(gimple_omp_for_grid_phony): New function.
(gimple_omp_for_set_grid_phony): Likewise.
(gimple_omp_parallel_grid_phony): Likewise.
(gimple_omp_parallel_set_grid_phony): Likewise.
(gimple_omp_teams_grid_phony): Likewise.
(gimple_omp_teams_set_grid_phony): Likewise.
(gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
* omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
(BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
(BUILT_IN_GOMP_TARGET): Updated type.
* omp-low.c: Include symbol-summary.h, hsa.h and params.h.
(adjust_for_condition): New function.
(get_omp_for_step_from_incr): Likewise.
(extract_omp_for_data): Moved parts to adjust_for_condition and
get_omp_for_step_from_incr.
(build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
(fixup_child_record_type): Bail out if receiver_decl is NULL.
(scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
(scan_omp_parallel): Do not create child functions for phony
constructs.
(check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
(scan_omp_1_op): Checking assert we are not remapping to
ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
(parallel_needs_hsa_kernel_p): New function.
(expand_parallel_call): Register apprpriate parallel child
functions as HSA kernels.
(grid_launch_attributes_trees): New type.
(grid_attr_trees): New variable.
(grid_create_kernel_launch_attr_types): New function.
(grid_insert_store_range_dim): Likewise.
(grid_get_kernel_launch_attributes): Likewise.
(get_target_argument_identifier_1): Likewise.
(get_target_argument_identifier): Likewise.
(get_target_argument_value): Likewise.
(push_target_argument_according_to_value): Likewise.
(get_target_arguments): Likewise.
(expand_omp_target): Call get_target_arguments instead of looking
up for teams and thread limit.
(grid_expand_omp_for_loop): New function.
(grid_arg_decl_map): New type.
(grid_remap_kernel_arg_accesses): New function.
(grid_expand_target_kernel_body): New function.
(expand_omp): Call it.
(lower_omp_for): Do not emit phony constructs.
(lower_omp_taskreg): Do not emit phony constructs but create for them
a temporary variable receiver_decl.
(lower_omp_taskreg): Do not emit phony constructs.
(lower_omp_teams): Likewise.
(lower_omp_grid_body): New function.
(lower_omp_1): Call it.
(grid_reg_assignment_to_local_var_p): New function.
(grid_seq_only_contains_local_assignments): Likewise.
(grid_find_single_omp_among_assignments_1): Likewise.
(grid_find_single_omp_among_assignments): Likewise.
(grid_find_ungridifiable_statement): Likewise.
(grid_target_follows_gridifiable_pattern): Likewise.
(grid_remap_prebody_decls): Likewise.
(grid_copy_leading_local_assignments): Likewise.
(grid_process_kernel_body_copy): Likewise.
(grid_attempt_target_gridification): Likewise.
(grid_gridify_all_targets_stmt): Likewise.
(grid_gridify_all_targets): Likewise.
(execute_lower_omp): Call grid_gridify_all_targets.
(make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
* tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
(tree_omp_clause): Added union field dimension.
* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
* tree.c (omp_clause_num_ops): Added number of arguments of
OMP_CLAUSE__GRIDDIM_.
(omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
(walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
* tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
(OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
(OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
(OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
* passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
* tree-pass.h (make_pass_gen_hsail): Declare.
(make_pass_ipa_hsa): Likewise.
* ipa-hsa.c: New file.
* lto-section-in.c (lto_section_name): Add hsa section name.
* lto-streamer.h (lto_section_type): Add hsa section.
* timevar.def (TV_IPA_HSA): New.
* hsa-brig-format.h: New file.
* hsa-brig.c: New file.
* hsa-dump.c: Likewise.
* hsa-gen.c: Likewise.
* hsa.c: Likewise.
* hsa.h: Likewise.
* toplev.c (compile_file): Call hsa_output_brig.
* hsa-regalloc.c: New file.
gcc/fortran/
* types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
gcc/lto/
* lto-partition.c: Include "hsa.h"
(add_symbol_to_partition_1): Put hsa implementations into the
same partition as host implementations.
liboffloadmic/
* plugin/libgomp-plugin-intelmic.cpp (GOMP_OFFLOAD_async_run): New
unused parameter.
(GOMP_OFFLOAD_run): Likewise.
include/
* gomp-constants.h (GOMP_DEVICE_HSA): New macro.
(GOMP_VERSION_HSA): Likewise.
(GOMP_TARGET_ARG_DEVICE_MASK): Likewise.
(GOMP_TARGET_ARG_DEVICE_ALL): Likewise.
(GOMP_TARGET_ARG_SUBSEQUENT_PARAM): Likewise.
(GOMP_TARGET_ARG_ID_MASK): Likewise.
(GOMP_TARGET_ARG_NUM_TEAMS): Likewise.
(GOMP_TARGET_ARG_THREAD_LIMIT): Likewise.
(GOMP_TARGET_ARG_VALUE_SHIFT): Likewise.
(GOMP_TARGET_ARG_HSA_KERNEL_ATTRIBUTES): Likewise.
From-SVN: r232549
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From-SVN: r232055
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lto_get_section_data.
* cgraph.c (cgraph_node::get_untransformed_body): Pass compressed
flag to lto_get_section_data.
* varpool.c (varpool_node::get_constructor): Likewise.
* lto-section-in.c (lto_get_section_data): Add new flag decompress.
(lto_free_section_data): Likewise.
(lto_get_raw_section_data): New function.
(lto_free_raw_section_data): New function.
(copy_function_or_variable): Copy sections w/o decompressing.
(lto_output_decl_state_refs): Picke compressed bit.
* lto-streamer.h (lto_in_decl_state): New flag compressed.
(lto_out_decl_state): Likewise.
(lto_get_section_data, lto_free_section_data): Update prototypes
(lto_get_raw_section_data, lto_free_raw_section_data): Declare.
(lto_write_raw_data): Declare.
(lto_begin_section): Remove FIXME.
(lto_write_raw_data): New function.
(lto_write_stream): Remove FIXME.
(lto_new_out_decl_state): Set compressed flag.
* lto.c (lto_read_in_decl_state): Unpickle compressed bit.
From-SVN: r231593
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already in lto_simple_header.
2015-12-11 Richard Biener <rguenther@suse.de>
* lto-streamer.h (lto_simple_header_with_strings): Remove
main_size field already in lto_simple_header.
From-SVN: r231555
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PR ipa/61886
* lto-streamer.h (lto_symtab_merge_decls, lto_symtab_merge_symbols,
lto_symtab_prevailing_decl): MOve to lto-symtab.h.
* lto-streamer-out.c (DFS::DFS_write_tree_body): Check that
DECL_ABSTRACT_ORIGIN is not error_mark_node.
* lto-symtab.c: Include lto-symtab.h.
(lto_cgraph_replace_node): Do not merge profiles here.
(lto_symtab_merge_p): New function.
(lto_symtab_merge_decls_2): Honor lto_symtab_merge_p.
(lto_symtab_merge_symbols_1): Turn unmerged decls into transparent
aliases.
(lto_symtab_merge_symbols): Do not clear node->aux; we no longer use it.
(lto_symtab_prevailing_decl): Move to lto-symtab.h; rewrite.
* lto.c: Include lto-symtab.h
* lto-symtab.h: New.
From-SVN: r231438
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