This was dormant for quite some time, but it started happening for me
on gcc.c-torture/compile/pr65153.c sometime after r276645 for -mabi=32 linux runs.

The pattern accepts any SMALL_OPERAND constant value while it asserts during the final
that the value is in the mode size range. I this case it happens that combine_and_move_insns
during ira makes a pattern with negative "shift count" which fails at final stage.

This simple fix just truncates the constant operand to mode size the same as shift patterns.

gcc/ChangeLog:

2019-11-13  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>

	* config/mips/mips.md (rotr<mode>3): Sanitize the constant argument
	instead of asserting its value.

From-SVN: r278152

2019-11-13  Janne Blomqvist  <jb@gcc.gnu.org>

        * download_prerequisites: Use http instead of ftp for downloading.

From-SVN: r278151

        * gcc.target/powerpc/pr92090.c: Limit -mbig to powerpc64le-*-*.
        * gcc.target/powerpc/pr92090-2.c: Likewise.

From-SVN: r278150

This is incomplete because std::strong_order doesn't support
floating-point types.

The partial_order and weak_order tests use VERIFY instead of
static_assert because of PR 92431.

	* libsupc++/compare (strong_order, weak_order, partial_order)
	(compare_strong_order_fallback, compare_weak_order_fallback)
	(compare_partial_order_fallback): Define customization point objects
	for C++20.
	* testsuite/18_support/comparisons/algorithms/partial_order.cc: New
	test.
	* testsuite/18_support/comparisons/algorithms/strong_order.cc: New
	test.
	* testsuite/18_support/comparisons/algorithms/weak_order.cc: New test.

From-SVN: r278149

Rewrite value_range constructors to the value_range_kind is at the
end, and defaults to VR_RANGE.  Similarly for set() methods.

From-SVN: r278148

This is a complaint that we issue a [[nodiscard]] warning even in SFINAE
contexts.  Here 'complain' is tf_decltype, but not tf_warning so I guess
we can fix it as below.

	* cvt.c (convert_to_void): Guard maybe_warn_nodiscard calls with
	tf_warning.

	* g++.dg/cpp1z/nodiscard7.C: New test.

From-SVN: r278147

2019-11-13  Ulrich Drepper  <drepper@redhat.com>

	* tree-dump.c (dequeue_and_dump): Print first tree operand
	for VIEW_CONVERT_EXPR.

From-SVN: r278146

C2x adds <float.h> constants FLT_NORM_MAX, DBL_NORM_MAX and
LDBL_NORM_MAX.  These are for the maximum "normalized" finite
floating-point number, where the given definition of normalized is
that all possible values with MANT_DIG significand digits (leading one
not zero) can be represented with that exponent.  The effect of that
definition is that these macros are the same as the corresponding MAX
macros for all formats except IBM long double, where the NORM_MAX
value has exponent 1 smaller than the MAX one so that all 106 digits
can be 1.

This patch adds those macros to GCC.  They are only defined for float,
double and long double; C2x does not include such macros for DFP
types, and while the integration of TS 18661-3 into C2x has not yet
occurred, the draft proposed text does not add them for the _FloatN /
_FloatNx types (where they would always be the same as the MAX
macros).

Bootstrapped with no regressions on x86_64-pc-linux-gnu.  Also tested
compilation of the new test for powerpc-linux-gnu to confirm the check
of LDBL_NORM_MAX in the IBM long double case does get properly
optimized out.

gcc:
	* ginclude/float.c [__STDC_VERSION__ > 201710L] (FLT_NORM_MAX,
	DBL_NORM_MAX, LDBL_NORM_MAX): Define.
	* real.c (get_max_float): Add norm_max argument.
	* real.h (get_max_float): Update prototype.
	* builtins.c (fold_builtin_interclass_mathfn): Update calls to
	get_max_float.

gcc/c-family:
	* c-cppbuiltin.c (builtin_define_float_constants): Also define
	NORM_MAX constants.  Update call to get_max_float.
	(LAZY_HEX_FP_VALUES_CNT): Update value to include NORM_MAX
	constants.

gcc/d:
	* d-target.cc (define_float_constants): Update call to
	get_max_float.

gcc/testsuite:
	* gcc.dg/c11-float-3.c, gcc.dg/c2x-float-1.c: New tests.

From-SVN: r278145

2019-11-13  Martin Liska  <mliska@suse.cz>

	* dbgcnt.c (test_sorted_dbg_counters): New.
	(dbgcnt_c_tests): Likewise.
	* selftest-run-tests.c (selftest::run_tests): Likewise.
	* selftest.h (dbgcnt_c_tests): Likewise.

From-SVN: r278144

2019-11-13  Jan Hubicka  <hubicka@ucw.cz>
	    Martin Jambor  <mjambor@suse.cz>

	PR ipa/92454
	* ipa-cp.c (spread_undeadness): Check that IPA_NODE_REF exists.
	(identify_dead_nodes): Likewise.

	testsuite/
	* g++.dg/ipa/pr92454.C: New test.

From-SVN: r278142

2019-11-13  Martin Liska  <mliska@suse.cz>

	* ipa-icf.c (sem_function::equals_private): Do not overuse
	push/pop_cfun functions.

From-SVN: r278141

2019-11-13  Martin Liska  <mliska@suse.cz>

	* common.opt: Document change of -fdbg-cnt option.
	* dbgcnt.c (DEBUG_COUNTER): Remove.
	(dbg_cnt_is_enabled): Remove.
	(dbg_cnt): Work with new intervals.
	(dbg_cnt_set_limit_by_index): Set to new
	list of intervals.
	(dbg_cnt_set_limit_by_name): Likewise.
	(dbg_cnt_process_single_pair): Process new format.
	(dbg_cnt_process_opt): Likewise.
	(dbg_cnt_list_all_counters): Likewise.
	* doc/invoke.texi: Document change of -fdbg-cnt option.
	(cmp_tuples): New.
2019-11-13  Martin Liska  <mliska@suse.cz>

	* gcc.dg/ipa/ipa-icf-39.c: Update -fdbg-cnt to the new format.
	* gcc.dg/pr68766.c: Likewise.

From-SVN: r278140

	* ipa-inline.c (ipa_inline): Check that function is defined before
	flattening.
	* gcc.c-torture/compile/flatten.c: New testcase.

From-SVN: r278139

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	libgomp/
	* plugin/Makefrag.am: Add amdgcn plugin support.
	* plugin/configfrag.ac: Likewise.
	* plugin/plugin-gcn.c: New file.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

Co-Authored-By: Julian Brown <julian@codesourcery.com>
Co-Authored-By: Kwok Cheung Yeung <kcy@codesourcery.com>
Co-Authored-By: Tom de Vries <tom@codesourcery.com>

From-SVN: r278138

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	gcc/
	* config/gcn/gcn.c (gcn_goacc_validate_dims): Ensure
	flag_worker_partitioning is not set.
	(TARGET_GOACC_WORKER_PARTITIONING): Remove target hook definition.
	* config/gcn/gcn.opt (macc-experimental-workers): Default to off.

Co-Authored-By: Julian Brown <julian@codesourcery.com>

From-SVN: r278137

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>

	libgomp/
	* config/gcn/team.c (gomp_gcn_enter_kernel): Set up the team arena
	and use team_malloc variants.
	(gomp_gcn_exit_kernel): Use team_free.
	* libgomp.h (TEAM_ARENA_SIZE): Define.
	(TEAM_ARENA_START): Define.
	(TEAM_ARENA_FREE): Define.
	(TEAM_ARENA_END): Define.
	(team_malloc): New function.
	(team_malloc_cleared): New function.
	(team_free): New function.
	* team.c (gomp_new_team): Initialize and use team_malloc.
	(free_team): Use team_free.
	(gomp_free_thread): Use team_free.
	(gomp_pause_host): Use team_free.
	* work.c (gomp_init_work_share): Use team_malloc.
	(gomp_fini_work_share): Use team_free.

From-SVN: r278136

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	include/
	* gomp-constants.h (GOMP_DEVICE_GCN): Define.
	(GOMP_VERSION_GCN): Define.

	libgomp/
	* Makefile.am (libgomp_la_SOURCES): Add oacc-target.c.
	* Makefile.in: Regenerate.
	* config.h.in (PLUGIN_GCN): Add new undef.
	* config/accel/openacc.f90 (acc_device_gcn): New parameter.
	* config/gcn/affinity-fmt.c: New file.
	* config/gcn/bar.c: New file.
	* config/gcn/bar.h: New file.
	* config/gcn/doacross.h: New file.
	* config/gcn/icv-device.c: New file.
	* config/gcn/oacc-target.c: New file.
	* config/gcn/simple-bar.h: New file.
	* config/gcn/target.c: New file.
	* config/gcn/task.c: New file.
	* config/gcn/team.c: New file.
	* config/gcn/time.c: New file.
	* configure.ac: Add amdgcn*-*-*.
	* configure: Regenerate.
	* configure.tgt: Add amdgcn*-*-*.
	* libgomp-plugin.h (offload_target_type): Add OFFLOAD_TARGET_TYPE_GCN.
	* libgomp.h (gcn_thrs): Add amdgcn variant.
	(set_gcn_thrs): Likewise.
	(gomp_thread): Likewise.
	* oacc-int.h (goacc_thread): Likewise.
	* oacc-target.c: New file.
	* openacc.f90 (acc_device_gcn): New parameter.
	* openacc.h (acc_device_t): Add acc_device_gcn.
	* team.c (gomp_free_pool_helper): Add amdgcn support.

Co-Authored-By: Julian Brown <julian@codesourcery.com>
Co-Authored-By: Kwok Cheung Yeung <kcy@codesourcery.com>
Co-Authored-By: Tom de Vries <tom@codesourcery.com>

From-SVN: r278135

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	libgomp/
	* libgomp-plugin.h (GOMP_OFFLOAD_openacc_async_construct): Add int
	parameter.
	* oacc-async.c (lookup_goacc_asyncqueue): Pass device number to the
	queue constructor.
	* oacc-host.c (host_openacc_async_construct): Add device parameter.
	* plugin/plugin-nvptx.c (GOMP_OFFLOAD_openacc_async_construct): Add
	device parameter.

Co-Authored-By: Julian Brown <julian@codesourcery.com>

From-SVN: r278134

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	gcc/
	* config/gcn/mkoffload.c: New file.
	* config/gcn/offload.h: New file.

From-SVN: r278133

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>

	libgomp/
	* configure.tgt (nvptx*-*-*): Add "accel" directory.
	* config/nvptx/libgomp-plugin.c: Move ...
	* config/accel/libgomp-plugin.c: ... to here.
	* config/nvptx/lock.c: Move ...
	* config/accel/lock.c: ... to here.
	* config/nvptx/mutex.c: Move ...
	* config/accel/mutex.c: ... to here.
	* config/nvptx/mutex.h: Move ...
	* config/accel/mutex.h: ... to here.
	* config/nvptx/oacc-async.c: Move ...
	* config/accel/oacc-async.c: ... to here.
	* config/nvptx/oacc-cuda.c: Move ...
	* config/accel/oacc-cuda.c: ... to here.
	* config/nvptx/oacc-host.c: Move ...
	* config/accel/oacc-host.c: ... to here.
	* config/nvptx/oacc-init.c: Move ...
	* config/accel/oacc-init.c: ... to here.
	* config/nvptx/oacc-mem.c: Move ...
	* config/accel/oacc-mem.c: ... to here.
	* config/nvptx/oacc-plugin.c: Move ...
	* config/accel/oacc-plugin.c: ... to here.
	* config/nvptx/omp-lock.h: Move ...
	* config/accel/omp-lock.h: ... to here.
	* config/nvptx/openacc.f90: Move ...
	* config/accel/openacc.f90: ... to here.
	* config/nvptx/pool.h: Move ...
	* config/accel/pool.h: ... to here.
	* config/nvptx/proc.c: Move ...
	* config/accel/proc.c: ... to here.
	* config/nvptx/ptrlock.c: Move ...
	* config/accel/ptrlock.c: ... to here.
	* config/nvptx/ptrlock.h: Move ...
	* config/accel/ptrlock.h: ... to here.
	* config/nvptx/sem.c: Move ...
	* config/accel/sem.c: ... to here.
	* config/nvptx/sem.h: Move ...
	* config/accel/sem.h: ... to here.
	* config/nvptx/thread-stacksize.h: Move ...
	* config/accel/thread-stacksize.h: ... to here.

From-SVN: r278132

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/gcn/gcn-run.c (heap_region): New global variable.
	(struct hsa_runtime_fn_info): Add hsa_memory_assign_agent_fn.
	(init_hsa_runtime_functions): Initialize hsa_memory_assign_agent.
	(get_kernarg_region): Move contents to ....
	(get_memory_region): .... here.
	(get_heap_region): New function.
	(init_device): Initialize the heap_region.
	(device_malloc): Add region parameter.
	(struct kernargs): Move heap ....
	(heap): ... to global scope.
	(main): Allocate heap separate to kernargs.

From-SVN: r278131

	* c-ada-spec.c (get_underlying_decl): Do not look through typedefs.
	(dump_forward_type): Do not generate a declaration for function types.
	(dump_nested_type) <ARRAY_TYPE>: Do not generate a nested declaration
	of the component type if it is declared in another file.

From-SVN: r278129

        libgfortran/
        PR fortran/92470
        * runtime/ISO_Fortran_binding.c (CFI_establish): Set lower_bound to 0
        also for CFI_attribute_other.

        gcc/testsuite/
        PR fortran/92470
        * gfortran.dg/ISO_Fortran_binding_1.c (establish_c): Add assert for
        lower_bound == 0.

From-SVN: r278128

	* ipa-prop.c (ipa_print_node_jump_functions,
	ipa_print_node_params): Print info about missing summaries.

From-SVN: r278127

	* configure.tgt (riscv64-*-linux*): Enable build.

From-SVN: r278126

We didn't take the cost of generating loop masks into account, and so
tended to underestimate the cost of loops that need multiple masks.

2019-11-13  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* tree-vect-loop.c (vect_estimate_min_profitable_iters): Include
	the cost of generating loop masks.

gcc/testsuite/
	* gcc.target/aarch64/sve/mask_struct_store_3.c: Add
	-fno-vect-cost-model.
	* gcc.target/aarch64/sve/mask_struct_store_3_run.c: Likewise.
	* gcc.target/aarch64/sve/peel_ind_2.c: Likewise.
	* gcc.target/aarch64/sve/peel_ind_2_run.c: Likewise.
	* gcc.target/aarch64/sve/peel_ind_3.c: Likewise.
	* gcc.target/aarch64/sve/peel_ind_3_run.c: Likewise.

From-SVN: r278125

vect_analyze_loop_costing uses two profitability thresholds: a runtime
one and a static compile-time one.  The runtime one is simply the point
at which the vector loop is cheaper than the scalar loop, while the
static one also takes into account the cost of choosing between the
scalar and vector loops at runtime.  We compare this static cost against
the expected execution frequency to decide whether it's worth generating
any vector code at all.

However, we never reclaimed the cost of applying the runtime threshold
if it turned out that the vector code can always be used.  And we only
know whether that's true once we've calculated what the runtime
threshold would be.

2019-11-13  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* tree-vectorizer.h (vect_apply_runtime_profitability_check_p):
	New function.
	* tree-vect-loop-manip.c (vect_loop_versioning): Use it.
	* tree-vect-loop.c (vect_analyze_loop_2): Likewise.
	(vect_transform_loop): Likewise.
	(vect_analyze_loop_costing): Don't take the cost of versioning
	into account for the static profitability threshold if it turns
	out that no versioning is needed.

From-SVN: r278124

ipa.c (cgraph_build_static_cdtor): Pass optimization_default_node and target_option_default_node to get...

	* ipa.c (cgraph_build_static_cdtor): Pass optimization_default_node
	and target_option_default_node to get -fprofile-generate ctors working
	right with LTO.

From-SVN: r278123

vectorizable_assignment handles true SSA-to-SSA copies (which hopefully
we don't see in practice) and no-op conversions that are required
to maintain correct gimple, such as changes between signed and
unsigned types.  These cases shouldn't generate any code and so
shouldn't count against either the scalar or vector costs.

Later patches test this, but it seemed worth splitting out.

2019-11-13  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* tree-vectorizer.h (vect_nop_conversion_p): Declare.
	* tree-vect-stmts.c (vect_nop_conversion_p): New function.
	(vectorizable_assignment): Don't add a cost for nop conversions.
	* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
	Likewise.
	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.

From-SVN: r278122

This patch makes two tweaks to vectorizable_conversion.  The first
is to use "modifier" to distinguish between promotion, demotion,
and neither promotion nor demotion, rather than using a code for
some cases and "modifier" for others.  The second is to take ncopies
into account for the promotion and demotion costs; previously we gave
multiple copies the same cost as a single copy.

Later patches test this, but it seemed worth splitting out.

2019-11-13  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* tree-vect-stmts.c (vect_model_promotion_demotion_cost): Take the
	number of ncopies as an additional argument.
	(vectorizable_conversion): Update call accordingly.  Use "modifier"
	to check whether a conversion is between vectors with the same
	numbers of units.

From-SVN: r278121

This is a like-for-like change at the moment, but is a prerequisite
for removing mode_for_int_vector.

2019-11-13  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* config/aarch64/aarch64-sve-builtins-functions.h
	(unary_count::expand): Use aarch64_sve_int_mode instead of
	mode_for_int_vector.

From-SVN: r278120

One of the changes in r277281 was to make the typedef variant
handling in strip_typedefs pass the raw DECL_ORIGINAL_TYPE to the
recursive call, instead of applying TYPE_MAIN_VARIANT first.
This PR shows that that interacts badly with the implementation
of DR1558, because we then refuse to strip aliases with dependent
template parameters and trip:

  gcc_assert (!typedef_variant_p (result)
	      || ((flags & STF_USER_VISIBLE)
		  && !user_facing_original_type_p (result)));

Keeping the current behaviour but suppressing the ICE leads to a
duplicate error (the dg-bogus in the first test), so that didn't
seem like a good fix.

I assume keeping the alias should never actually be necessary for
DECL_ORIGINAL_TYPEs, because it will already have been checked
somewhere, even for implicit TYPE_DECLs.  This patch therefore
passes a flag to say that we can safely strip aliases with
dependent template parameters.

2019-11-13  Richard Sandiford  <richard.sandiford@arm.com>

gcc/cp/
	PR c++/92206
	* cp-tree.h (STF_STRIP_DEPENDENT): New constant.
	* tree.c (strip_typedefs): Add STF_STRIP_DEPENDENT to the flags
	when calling strip_typedefs recursively on a DECL_ORIGINAL_TYPE.
	Don't apply the fix for DR1558 in that case; allow aliases with
	dependent template parameters to be stripped instead.

gcc/testsuite/
	PR c++/92206
	* g++.dg/cpp0x/alias-decl-pr92206-1.C: New test.
	* g++.dg/cpp0x/alias-decl-pr92206-2.C: Likewise.
	* g++.dg/cpp0x/alias-decl-pr92206-3.C: Likewise.

From-SVN: r278119

2019-11-13  Martin Liska  <mliska@suse.cz>

	* opts.c: Update comment about OPT_LEVELS_2_PLUS_SPEED_ONLY.

From-SVN: r278118

2019-11-13  Martin Liska  <mliska@suse.cz>

	* gcc.dg/params/params.exp: Restore test by parsing output
	of --help=params -Q.

From-SVN: r278117

2019-11-13  Martin Liska  <mliska@suse.cz>

	* tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers):
	Remove call to finalize_options_struct.

From-SVN: r278116

	PR target/92055
	* config/avr/t-avr (avr-mcus): Do not depend on
	$(srcdir)/config/avr/t-multilib.

From-SVN: r278115

        gcc/fortran/
        * trans-expr.c (gfc_conv_procedure_call): Fold hidden
        is-present argument to the right type.

From-SVN: r278114

2019-11-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92473
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Perform
	direct optab reduction in the correct type.

From-SVN: r278113

This case is testing 'web' on ignore naked clobber.
-funroll-loops no longer implies -fweb for powerpc.
So, add -fweb to enable 'web' for this case.

gcc.testsuite/
2019-11-13  Jiufu Guo  <guojiufu@linux.ibm.com>

	PR target/92465
	* gcc.dg/pr47763.c: Add option -fweb.

From-SVN: r278112

From-SVN: r278111