re PR tree-optimization/77536 (Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data)

	PR tree-optimization/77536
	* tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
	(tree_transform_and_unroll_loop): Use above function to compute the
	estimated niter of unrolled loop and use it when scaling profile.
	Also use count info rather than frequency if it's non-zero.
	* tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
	* tree-vect-loop.c (scale_profile_for_vect_loop): New function.
	(vect_transform_loop): Call above function.

	gcc/testsuite
	* gcc.dg/vect/pr79347.c: Revise testing string.

From-SVN: r245754

2017-02-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/45397
	* tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
	* tree-ssa-sccvn.c (valueized_wider_op): New helper.
	(visit_nary_op): Add pattern matching for CSEing sign-changed
	or truncated operations with wider ones.

	* gcc.dg/tree-ssa/pr45397.c: New testcase.

From-SVN: r245752

2017-02-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79690
	* tree-vect-stmts.c (vectorizable_store): Use vector type
	built from the DR with address-space.

	* gcc.target/i386/pr79690.c: New testcase.

From-SVN: r245751

From-SVN: r245750

	* doc/invoke.texi (Optimize Options): Refine the description
	of asan-use-after-return.

From-SVN: r245747

From-SVN: r245746

2017-02-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/51119
	* options.c (gfc_post_options): Set default limit for matmul
	inlining to 30.
	* invoke.texi: Document change.

2017-02-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/51119
	* gfortran.dg/inline_matmul_1.f90: Scan optimized dump instead
	of original.
	* gfortran.dg/inline_matmul_11.f90: Likewise.
	* gfortran.dg/inline_matmul_9.f90: Likewise.
	* gfortran.dg/matmul_13.f90: New test.
	* gfortran.dg/matmul_14.f90: New test.

From-SVN: r245745

From-SVN: r245744

	PR rtl-optimization/79584
	* lra-constraints.c (base_to_reg): Reload ad->base, the entire
	base, not ad->base_term, the reg within base.  Remove assertion
	that ad->base == ad->base_term.  Replace gen_int_mode using
	bogus mode with const0_rtx.

From-SVN: r245741

	PR target/68739
	* inclhack.def (hpux11_pthread_pointer): New fix.
	(hpux11_pthread_const): Adjust to remove void * cast from define.
	* fixincl.x: Regenerate.

From-SVN: r245740

From-SVN: r245739

From-SVN: r245738

re PR middle-end/79396 (ICE (verify_flow_info failed) with -fnon-call-exceptions -O2 -march=haswell)

	PR middle-end/79396
	* tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
	FMA_EXPR like tcc_binary or tcc_unary.

	* g++.dg/opt/pr79396.C: New test.

From-SVN: r245735

	* tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
cp/
	* call.c (build_op_delete_call): Make msg1 and msg2 const.

From-SVN: r245734

	PR debug/77589
include/
	* dwarf2.def (DW_OP_GNU_variable_value): New opcode.
gcc/
	* dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
	bitfield.
	(size_of_loc_descr): Handle DW_OP_GNU_variable_value.
	(output_loc_operands): Handle DW_OP_call_ref and
	DW_OP_GNU_variable_value.
	(struct variable_value_struct): New type.
	(struct variable_value_hasher): Likewise.
	(variable_value_hash): New variable.
	(string_types): Remove.
	(copy_loc_descr): New function.
	(add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
	(prepend_loc_descr_to_each): New function.
	(add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
	instead of add_loc_descr_to_each if the first argument is single
	location list and the second has multiple.
	(resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
	(loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
	when looking for variable value which doesn't have other location info.
	(loc_list_from_tree): Formatting fix.
	(gen_array_type_die): Simplify DW_AT_string_length handling.
	(adjust_string_types): Remove.
	(gen_subprogram_die): Don't call adjust_string_types nor test/set
	string_types.  Call resolve_variable_values.
	(prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
	(resolve_addr_in_expr): Likewise.  Add A argument.
	(copy_deref_exprloc): Remove deref argument.  Adjust for the
	original expression being DW_OP_GNU_variable_value with optionally
	DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
	optionally after it.
	(optimize_string_length): Rework for DW_OP_GNU_variable_value.
	(resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
	callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
	(variable_value_hasher::hash, variable_value_hasher::equal): New
	methods.
	(resolve_variable_value_in_expr, resolve_variable_value,
	resolve_variable_values, note_variable_value_in_expr,
	note_variable_value): New functions.
	(dwarf2out_early_finish): Call note_variable_value on all toplevel
	DIEs.

From-SVN: r245733

From-SVN: r245732

2017-02-25  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/79597
	* interface.c (gfc_match_end_interface): Remove spurious comma
	and space, replace 'got %s' with 'got %qs'.

2017-02-25  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/79597
	* gfortran.dg/dtio_6.f90: Update test.

2017-02-25  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/79601
	* interface.c (check_dtio_arg_TKR_intent): Change 'intent'
	to 'INTENT'.

2017-02-25  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/79601
	* gfortran.dg/interface_operator_2.f90: New test.

From-SVN: r245729

	PR c/79677
	* opts.h (handle_generated_option): Add GENERATED_P argument.
	* opts-common.c (handle_option): Adjust function comment.
	(handle_generated_option): Add GENERATED_P argument, pass it to
	handle_option.
	(control_warning_option): Pass false to handle_generated_option
	GENERATED_P.
	* opts.c (maybe_default_option): Pass true to handle_generated_option
	GENERATED_P.
	* optc-gen.awk: Likewise.
ada/
	* gcc-interface/misc.c (gnat_handle_option): Pass true to
	handle_generated_option GENERATED_P.
testsuite/
	* gcc.dg/pr79677.c: New test.

From-SVN: r245728

	* config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
	a REG, look at the REG it is a SUBREG of.
	(splitter for cmpeqsi_t): Ditto.

From-SVN: r245727

	* config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
	the special USEs with the pattern of the insn, not the insn itself.

From-SVN: r245726

gcc/
	PR target/79473
	* doc/invoke.texi: Document -mload-store-pairs.

From-SVN: r245725

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
	    Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
	argument isn't a CONST_INT.
	(nios2_alternate_compare_const): Assert op is a CONST_INT.
	(nios2_valid_compare_const_p): Assert op is a CONST_INT.
	(nios2_validate_compare): Bypass alternate compare logic if *op2
	is not a CONST_INT.
	(ldstwm_operation_p): Return false if first_base is not a REG or
	if first_offset is not a CONST_INT.


Co-Authored-By: Sandra Loosemore <sandra@codesourcery.com>

From-SVN: r245724

	* config/cris/cris.md: Use correct operand in a define_peephole2.

From-SVN: r245723

gcc/testsuite/

	* gcc.target/mips/mips-ps-type-2.c (move): Force generation
	of mov.ps.
	* gcc.target/mips/mips-ps-type.c (move): Likewise.
	(cond_move1): Simplify condition to force generation of
	mov[nz].ps.
	(cond_move2): Likewise.

From-SVN: r245722

	* config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.

From-SVN: r245721

	* config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
	this_insn if it is an INSN or JUMP_INSN.
	(force_offsettable): Look at base, not at addr.
	* config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
	on things that aren' necessarily CONST_INTs.

From-SVN: r245720

	PR c++/79588
c-family/
	* c-common.c (check_function_restrict): New function.
	(check_function_arguments): Add FNDECL argument.  Call
	check_function_restrict if -Wrestrict.
	* c-warn.c (warn_for_restrict): Remove ARGS argument, add ARGARRAY
	and NARGS.  Use auto_vec for ARG_POSITIONS, simplify.
	* c-common.h (check_function_arguments): Add FNDECL argument.
	(warn_for_restrict): Remove ARGS argument, add ARGARRAY and NARGS.
c/
	* c-parser.c (c_parser_postfix_expression_after_primary): Don't
	handle -Wrestrict here.
	* c-typeck.c (build_function_call_vec): Adjust
	check_function_arguments caller.
cp/
	* call.c (build_over_call): Call check_function_arguments even for
	-Wrestrict, adjust check_function_arguments caller.
	* parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
	here.
	* typeck.c (cp_build_function_call_vec): Adjust
	check_function_arguments caller.
testsuite/
	* g++.dg/warn/Wrestrict-1.C: New test.
	* g++.dg/warn/Wrestrict-2.C: New test.

From-SVN: r245719

	PR translation/79705
	* decl.c (check_redeclaration_exception_specification): Mark a string
	for translation.  Make the pointer const.

From-SVN: r245717

Add initial ChangeLog entry.

From-SVN: r245716

invoke.texi (x86 Options, [...]): Mention that -mfpmath=sse is the default also for x86-32 targets with SSE2...

	* doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
	-mfpmath=sse is the default also for x86-32 targets with SSE2
	instruction set when @option{-ffast-math} is enabled

From-SVN: r245715

	PR rtl-optimizatoin/79286
	* ira.c (update_equiv_regs): Drop may_trap_p exception to
	dominance test.

From-SVN: r245714

2017-02-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79389
	* gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
	debug insns.

From-SVN: r245713

gcc/testsuite/

	* gcc.dg/tree-ssa/ssa-thread-14.c (dg-options): Use
	logical_op_short_circuit to skip targets.
	(dg-additional-options): Don't pass -mbranch-cost=2 for MIPS, AVR
	and s390.

From-SVN: r245711

	* gcc-interface/decl.c (gnat_to_gnu_field): Do not remove the wrapper
	around a justified modular type if it doesn't have the same scalar
	storage order as the enclosing record type.

From-SVN: r245710

	* tree-ssa-loop-niter.c (number_of_iterations_exit): Update
	function comment to reflect reality.
	(loop_exits_before_overflow): Fix typo in function description.

From-SVN: r245709

	* gcc-interface/trans.c (gnat_to_gnu): Do not apply special handling
	of boolean rvalues to function calls.

From-SVN: r245706

	* gcc-interface/utils.c (fold_bit_position): New function.
	(rest_of_record_type_compilation): Call it instead of bit_position to
	compute the field position and remove the call to remove_conversions.
	(compute_related_constant): Factor out the multiplication in both
	operands, if any, and streamline the final test.

From-SVN: r245704

From-SVN: r245701

c-ada-spec.c (dump_ada_function_declaration): Add comment about the treatment of parameters with pointer-to-tagged type and...

c-family/
	* c-ada-spec.c (dump_ada_function_declaration): Add comment about the
	treatment of parameters with pointer-to-tagged type and tidy up.
	(print_ada_methods): Remove the special treatment of C++ static member
	functions.
ada/
	* gcc-interface/decl.c: Include demangle.h.
	(is_cplusplus_method): Return again true for a primitive operation
	only if it is dispatching.  For a subprogram with an interface name,
	call the demangler to get the number of C++ parameters and compare it
	with the number of Ada parameters.

From-SVN: r245700

	* gcc-interface/trans.c (Handled_Sequence_Of_Statements_to_gnu): If
	there is no end label, put the location of the At_End procedure on
	the call to the procedure.

From-SVN: r245699