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  1. 19 Apr, 2018 6 commits
  3. 18 Apr, 2018 16 commits
    • Fix coding style and typos. · 6867cd69 
      2018-04-18  Martin Liska  <mliska@suse.cz>

	* ipa-devirt.c (odr_subtypes_equivalent_p): Fix GNU coding
	style.
2018-04-18  Martin Liska  <mliska@suse.cz>

	* lto.c (lto_read_decls): Fix GNU coding style and typos.

From-SVN: r259480
      Martin Liska committed
    • Make Wodr warnings stable. · af597536 
      2018-04-18  Martin Liska  <mliska@suse.cz>

	PR ipa/83983
	PR ipa/85391
	* lto.c (cmp_type_location): New function.
	(lto_read_decls): First collect all types, then
	sort them according by location before register_odr_type
	is called.
2018-04-18  Martin Liska  <mliska@suse.cz>

	PR ipa/83983
	PR ipa/85391
	* g++.dg/lto/pr83121_1.C (struct Environment): Adjust expected
	output.

From-SVN: r259479
      Martin Liska committed
    • Revert r258133. · 3c674e3e 
      2018-04-18  Martin Liska  <mliska@suse.cz>

	Revert
	2018-03-02  Eric Botcazou  <ebotcazou@adacore.com>

	PR ipa/83983
	* ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both
	arguments if they are comparable.

From-SVN: r259478
      Martin Liska committed
    • Revert r25841. · 5722ce75 
      2018-04-18  Martin Liska  <mliska@suse.cz>

	Revert
	2018-03-13  Eric Botcazou  <ebotcazou@adacore.com>

	PR lto/84805
	* ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of
	incomplete types.

From-SVN: r259477
      Martin Liska committed
    • i386: Insert ENDBR after __morestack call · 8953574f 
      Since __morestack will jump back to its callee via indirect call, we
need to insert ENDBR after calling __morestack.

gcc/

	PR target/85388
	* config/i386/i386.c (ix86_expand_split_stack_prologue): Insert
	ENDBR after calling __morestack.

gcc/testsuite/

	PR target/85388
	* gcc.dg/pr85388-1.c: New test.
	* gcc.dg/pr85388-2.c: Likewise.
	* gcc.dg/pr85388-3.c: Likewise.
	* gcc.dg/pr85388-4.c: Likewise.
	* gcc.dg/pr85388-5.c: Likewise.
	* gcc.dg/pr85388-6.c: Likewise.

From-SVN: r259475
      H.J. Lu committed
    • PR libstdc++/85442 fix duplicate debuginfo for cxx11-ios_failure.cc · 05b14480 
      2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR libstdc++/85442
	* src/c++11/Makefile.am: Don't generate debuginfo again for
	cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
	* src/c++11/Makefile.in: Regenerate.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r259467
      Jonathan Wakely committed
    • re PR lto/85391 (ICE in add_type_duplicate, at ipa-devirt.c:1887) · 7d6051b1 
      
	PR lto/85391
	* lto.c (lto_read_decls): Do not test TYPE_CANONICAL before registering odr
	types.
	* g++.dg/lto/pr83121_0.C: Update template.
	* g++.dg/lto/pr83121_1.C: Update template.
	* g++.dg/lto/pr84805_0.C: Update template.
	* g++.dg/lto/pr84805_1.C: Update template.
	* g++.dg/lto/pr84805_2.C: Update template.

Co-Authored-By: Martin Liska <mliska@suse.cz>

From-SVN: r259464
      Jan Hubicka committed
    • PR libstdc++/84442 if _Exit isn't declared then use _exit instead · 8cc8789f 
      	PR libstdc++/84442
	* testsuite/30_threads/thread/cons/terminate.cc
	[!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.

From-SVN: r259463
      Jonathan Wakely committed
    • re PR jit/85384 (libgccjit does not work if --with-gcc-major-version is used) · 001ddaa8 
      	PR jit/85384
	* acx.m4 (GCC_BASE_VER): Remove \$\$ from sed expression.

	* configure.ac (gcc-driver-name.h): Honor --with-gcc-major-version
	by using gcc_base_ver to generate a gcc_driver_version, and use
	it when generating GCC_DRIVER_NAME.
	* configure: Regenerate.

	* configure: Regenerate.

From-SVN: r259462
      David Malcolm committed
    • re PR target/81084 (powerpcspe port full of confusing configury / command-line… · b08aea04 
      re PR target/81084 (powerpcspe port full of confusing configury / command-line options not related to SPE)

	PR target/81084
	* config.gcc: Obsolete powerpc*-*-*spe*.

From-SVN: r259461
      Jakub Jelinek committed
    • re PR c++/84630 (ICE: TYPE_NAME() used on error_mark_node in tsubst_lambda_expr, at cp/pt.c:17141) · c18a88c5 
      /cp
2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/84630
	* pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
	for error_mark_node.

/testsuite
2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/84630
	* g++.dg/cpp0x/pr84630.C: New.

From-SVN: r259460
      Paolo Carlini committed
    • re PR sanitizer/85389 (posix_memalign() crash with address sanitizer when… · 19ddb884 
      re PR sanitizer/85389 (posix_memalign() crash with address sanitizer when passing invalid arguments)

	PR sanitizer/85389
	* asan/asan_allocator.h (kAllocatorSpace): For __powerpc64__ change
	from 0xa0000000000ULL to ~(uptr)0.

From-SVN: r259459
      Bill Seurer committed
    • re PR c++/84463 (Supposedly-incompliant "error: '* key0' is not a constant expression") · 715dd933 
      	PR c++/84463
	* typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
	tricks from here to ...
	* cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
	if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.

	* g++.dg/cpp0x/constexpr-nullptr-1.C: Add -O1 to dg-options.
	* g++.dg/cpp0x/constexpr-nullptr-2.C: Expect different diagnostics
	in two cases.  Uncomment two other tests and add expected dg-error for
	them.
	* g++.dg/init/struct2.C: Cast to int rather than long to avoid
	-Wnarrowing diagnostics on some targets for c++11.
	* g++.dg/parse/array-size2.C: Remove xfail.
	* g++.dg/cpp0x/constexpr-84463.C: New test.

From-SVN: r259458
      Jakub Jelinek committed
    • [PR c++/80290] recycle tinst garbage sooner · a56e2f69 
      tinst_level objects are created during template instantiation, and
they're most often quite short-lived, but since there's no intervening
garbage collection, they accumulate throughout the pass while most by
far could be recycled after a short while.  The original testcase in
PR80290, for example, creates almost 55 million tinst_level objects,
all but 10 thousand of them without intervening GC, but we don't need
more than 284 of them live at a time.

Furthermore, in many cases, TREE_LIST objects are created to stand for
the decl in tinst_level.  In most cases, those can be recycled as soon
as the tinst_level object is recycled; in some relatively common
cases, they are modified and reused in up to 3 tinst_level objects.
In the same testcase, TREE_LISTs are used in all but 3 thousand of the
tinst_level objects, and we don't need more than 89 tinst_level
objects with TREE_LISTs live at a time.  Furthermore, all but 2
thousand of those are created without intervening GC.

This patch arranges for tinst_level objects to be refcounted (I've
seen as many as 20 live references to a single tinst_level object in
my testing), and for pending_template, tinst_level and TREE_LIST
objects that can be recycled to be added to freelists; that's much
faster than ggc_free()ing them and reallocating them shortly
thereafter.  In fact, the introduction of such freelists is what makes
this entire patch lighter-weight, when it comes to memory use, and
faster.  With refcounting alone, the total memory footprint was still
about the same, and we spent more time.

In order to further reduce memory use, I've arranged for us to create
TREE_LISTs lazily, only at points that really need them (when printing
error messages).  This grows tinst_level by an additional pointer, but
since a TREE_LIST holds a lot more than an extra pointer, and
tinst_levels with TREE_LISTs used to be allocated tens of thousands of
times more often than plain decl ones, we still save memory overall.

I was still not quite happy about growing memory use in cases that
used template classes but not template overload resolution, so I
changed the type of the errors field to unsigned short, from int.
With that change, in_system_header_p and refcount move into the same
word or half-word that used to hold errors, releasing a full word,
bringing tinst_level back to its original size, now without any
padding.

The errors field is only used to test whether we've had any errors
since the expansion of some template, to skip the expansion of further
templates.  If we get 2^16 errors or more, it is probably reasonable
to refrain from expanding further templates, even if we would expand
them before this change.

With these changes, compile time for the original testcase at -O0,
with default checking enabled, is cut down by some 3.7%, total GCable
memory allocation is cut down by almost 20%, and total memory use (as
reported by GNU time as maxresident) is cut down by slightly over 15%.


for  gcc/cp/ChangeLog

	PR c++/80290
	* cp-tree.h (struct tinst_level): Split decl into tldcl and
	targs.  Add private split_list_p, tree_list_p, and not_list_p
	inline const predicates; to_list private member function
	declaration; free public member function declaration; list_p,
	get_node and maybe_get_node accessors, and refcount data
	member.  Narrow errors to unsigned short.
	* error.c (print_instantiation_full_context): Use new
	accessors.
	(print_instantiation_partial_context_line): Likewise.  Drop
	const from tinst_level-typed parameter.
	* mangle.c (mangle_decl_string): Likewise.
	* pt.c (freelist): New template class.
	(tree_list_freelist_head): New var.
	(tree_list_freelist): New fn, along with specializations.
	(tinst_level_freelist_head): New var.
	(pending_template_freelist_head): Likewise.
	(tinst_level_freelist, pending_template_freelist): New fns.
	(tinst_level::to_list, tinst_level::free): Define.
	(inc_refcount_use, dec_refcount_use): New fns for tinst_level.
	(set_refcount_ptr): New template fn.
	(add_pending_template): Adjust for refcounting, freelists and
	new accessors.
	(neglectable_inst_p): Take a NULL d as a non-DECL.
	(limit_bad_template_recursion): Use new accessors.
	(push_tinst_level): New overload to create the list.
	(push_tinst_level_loc): Make it static, split decl into two
	args, adjust tests and initialization to cope with split
	lists, use freelist, adjust for refcounting.
	(push_tinst_level_loc): New wrapper with the old interface.
	(pop_tinst_level): Adjust for refcounting.
	(record_last_problematic_instantiation): Likewise.
	(reopen_tinst_level): Likewise.  Use new accessors.
	(instantiate_alias_template): Adjust for split list.
	(fn_type_unification): Likewise.
	(get_partial_spec_bindings): Likewise.
	(instantiate_pending_templates): Use new accessors.  Adjust
	for refcount.  Release pending_template to freelist.
	(instantiating_current_function_p): Use new accessors.

From-SVN: r259457
      Alexandre Oliva committed
    • undef-bool-2.c: Add -mvsx. · e66e5d5f 
      [gcc/testsuite]

2018-04-17  Bill Schmidt  <wschmidt@linux.ibm.com>

	* gcc.target/powerpc/undef-bool-2.c: Add -mvsx.
	* gcc.target/g++.dg/ext/undef-bool-1.C: Likewise.

From-SVN: r259456
      Bill Schmidt committed
    • Daily bump. · e508e1dc 
      From-SVN: r259455
      GCC Administrator committed
  5. 17 Apr, 2018 18 commits