svn merge -r258208:262569 svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branchredhat/gcc-7-branch

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/redhat/gcc-7-branch@262599 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 1050 insertions, 0 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e77323357b0..162169f188e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,1053 @@
+2018-07-10  Carl Love  <cel@us.ibm.com>
+
+	Backport from mainline
+	2017-09-07  Carl Love  <cel@us.ibm.com>
+
+	* config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
+	the sldi instruction.
+
+2018-06-29  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-01-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
+	* lex.c (search_line_fast): Remove illegal coercion of an
+	unaligned pointer value to vector pointer type and replace with
+	use of __builtin_vec_vsx_ld () built-in function, which operates
+	on unaligned pointer values.
+
+2018-06-27  David Edelsohn  <dje.gcc@gmail.com>
+
+	2018-06-19  Tony Reix  <tony.reix@atos.com>
+	    Damien Bergamini  <damien.bergamini@atos.com>
+	    David Edelsohn  <dje.gcc@gmail.com>
+
+	* collect2.c (static_obj): New variable.
+	(static_libs): New variable.
+	(is_in_list): Uncomment declaration.
+	(main): Track AIX libraries linked statically.
+	(is_in_list): Uncomment definition.
+	(scan_prog_file): Don't add AIX shared libraries initializer
+	to constructor list if linking statically.
+
+2018-06-26  Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
+	Backported from mainline
+	2018-06-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
+	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change
+	behavior of vec_packsu (vector unsigned long long, vector unsigned
+	long long) to match behavior of vec_packs with same signature.
+
+2018-06-26  Robin Dapp  <rdapp@linux.vnet.ibm.com>
+
+	* config/s390/s390.h (enum processor_flags): Do not use
+	default tune parameter when -march was specified.
+
+2018-06-26  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/86314
+	* config/i386/i386.md (setcc + movzbl to xor + setcc peephole2s):
+	Check reg_overlap_mentioned_p in addition to reg_set_p with the same
+	operands.
+
+2018-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	Back port from trunk
+	2018-04-17  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	PR target/85424
+	* config/rs6000/rs6000.md (pack<mode>): Do not try handle a pack
+	where the inputs overlap with the output.
+
+2018-06-25  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/84786
+	* config/i386/sse.md (vshift_count): New mode attr.
+	(<shift_insn><mode>3<mask_name>): Use <vshift_count>N instead of vN
+	as last operand's constraint for VI2_AVX2_AVX512BW shifts.  Use YvN
+	instead of vN as last operand's constraint for VI48_AVX2 shifts.
+
+2018-06-23  Richard Sandiford  <richard.sandiford@linaro.org>
+
+	PR tree-optimization/85989
+	* gimple-ssa-backprop.c (backprop::m_visited_phis): New member
+	variable.
+	(backprop::intersect_uses): Check it when deciding whether this
+	is a backedge reference.
+	(backprop::process_block): Add each phi to m_visited_phis
+	after visiting it, then clear it at the end.
+
+2018-06-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from mainline
+	2018-06-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/86231
+	* tree-vrp.c (union_ranges): For (  [  )  ] or (   )[   ] range and
+	anti-range don't overwrite *vr0min before using it to compute *vr0max.
+
+	2018-06-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/85878
+	* expr.c (expand_assignment): Only call store_expr for halves if the
+	mode is the same.
+
+	2018-06-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/85945
+	* lower-subreg.c (find_decomposable_subregs): Don't decompose float
+	subregs of multi-word pseudos unless the float mode has word size.
+
+	2018-06-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/86025
+	* tree.c (inchash::add_expr): Handle IDENTIFIER_NODE.
+
+	2018-05-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/85659
+	* cfgexpand.c (expand_asm_stmt): Don't create a temporary if
+	the type is addressable.  Don't force op into register if it has
+	BLKmode.
+
+	2018-05-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR web/85578
+	* doc/install.texi2html: Replace _002d with - and _002a with * in
+	generated html files using sed.
+
+	2018-04-27  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/85529
+	* tree-ssa-reassoc.c (optimize_range_tests_var_bound): Add FIRST_BB
+	argument.  Don't call get_nonzero_bits if opcode is ERROR_MARK_NODE,
+	rhs2 def stmt's bb is dominated by first_bb and it isn't an obvious
+	zero extension or masking of the MSB bit.
+	(optimize_range_tests): Add FIRST_BB argument, pass it through
+	to optimize_range_tests_var_bound.
+	(maybe_optimize_range_tests, reassociate_bb): Adjust
+	optimize_range_tests callers.
+
+	2018-04-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/85446
+	* match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Require
+	the integral and pointer types to have the same precision.
+
+	2018-04-18  David Malcolm  <dmalcolm@redhat.com>
+
+	PR jit/85384
+	* 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.
+
+	2018-04-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/85431
+	* dse.c (record_store): Ignore zero width stores.
+
+	PR target/85430
+	* config/i386/i386.md (*ashlqi3_1_slp): Use alu1 type instead of alu.
+
+	2018-04-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/85300
+	* combine.c (subst): Handle subst of CONST_SCALAR_INT_P new_rtx also
+	into FLOAT and UNSIGNED_FLOAT like ZERO_EXTEND, return a CLOBBER if
+	simplify_unary_operation fails.
+
+	2018-04-07  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/85257
+	* fold-const.c (native_encode_vector): If not all elts could fit
+	and off is -1, return 0 rather than offset.
+	* tree-ssa-sccvn.c (vn_reference_lookup_3): Pass
+	(offset - offset2) / BITS_PER_UNIT as 4th argument to
+	native_encode_expr.  Verify len * BITS_PER_UNIT >= maxsizei.  Don't
+	adjust buffer in native_interpret_expr call.
+
+	2018-04-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/85252
+	* dwarf2out.c (rtl_for_decl_init): For STRING_CST initializer only
+	build CONST_STRING if TYPE_MAX_VALUE is non-NULL and is INTEGER_CST.
+
+	2018-04-03  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/85167
+	* shrink-wrap.c (move_insn_for_shrink_wrap): Don't set bb_uses and
+	bb_defs if *split_p, instead preinitialize it to NULL.
+
+	2018-03-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/85095
+	* config/i386/i386.md (*add<mode>3_carry_0, *addsi3_carry_zext_0,
+	*sub<mode>3_carry_0, *subsi3_carry_zext_0): New patterns.
+
+	2018-03-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR inline-asm/85022
+	* emit-rtl.c (init_emit_regs): Indicate that VOIDmode MEMs don't have
+	known size by default.
+
+	PR inline-asm/85034
+	* function.c (match_asm_constraints_1): Don't optimize if input
+	doesn't satisfy general_operand predicate for output's mode.
+
+	PR inline-asm/85022
+	* alias.c (write_dependence_p): Don't require for x_canonicalized
+	non-VOIDmode if x has VOIDmode.
+
+	2018-03-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR inline-asm/84941
+	* function.c (match_asm_constraints_1): Don't do the optimization
+	if input isn't a REG, SUBREG, MEM or constant.
+
+	PR sanitizer/85018
+	* dwarf2asm.c (dw2_output_indirect_constant_1): Set
+	DECL_INITIAL (decl) to decl at the end.
+	* varasm.c (use_blocks_for_decl_p): Revert the 2018-03-20 change,
+	adjust the comment.
+
+	2018-03-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/84875
+	* dce.c (delete_unmarked_insns): Don't remove frame related noop moves
+	holding REG_CFA_RESTORE notes, instead turn them into a USE.
+
+	PR c/84953
+	* builtins.c (fold_builtin_strpbrk): For strpbrk(x, "") use type
+	instead of TREE_TYPE (s1) for the return value.
+
+	PR target/84990
+	* dwarf2asm.c (dw2_output_indirect_constant_1): Temporarily turn off
+	flag_section_anchors.
+	* varasm.c (use_blocks_for_decl_p): Remove hack for
+	dw2_force_const_mem.
+
+	2018-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR sanitizer/78651
+	* dwarf2asm.c: Include fold-const.c.
+	(dw2_output_indirect_constant_1): Set DECL_INITIAL (decl) to ADDR_EXPR
+	of decl rather than decl itself.
+
+	2018-03-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
+
+	PR sanitizer/78651
+	* dwarf2asm.c (dw2_output_indirect_constant_1): Disable ASan before
+	calling assemble_variable.
+
+	2018-03-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/84899
+	* postreload.c (reload_combine_recognize_pattern): Perform
+	INTVAL addition in unsigned HOST_WIDE_INT type to avoid UB and
+	truncate_int_for_mode the result for the destination's mode.
+
+	PR tree-optimization/84841
+	* tree-ssa-reassoc.c (INTEGER_CONST_TYPE): Change to 1 << 4 from
+	1 << 3.
+	(FLOAT_ONE_CONST_TYPE): Define.
+	(constant_type): Return FLOAT_ONE_CONST_TYPE for -1.0 and 1.0.
+	(sort_by_operand_rank): Put entries with higher constant_type last
+	rather than first to match comments.
+
+	2018-03-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/79085
+	* calls.c (expand_call): For TREE_ADDRESSABLE rettype ignore alignment
+	check and use address of target always.
+
+	PR target/84860
+	* optabs.c (emit_conditional_move): Pass address of cmode's copy
+	rather than address of cmode as last argument to prepare_cmp_insn.
+
+	2018-03-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/84834
+	* match.pd ((A & C) != 0 ? D : 0): Use INTEGER_CST@2 instead of
+	integer_pow2p@2 and test integer_pow2p in condition.
+	(A < 0 ? C : 0): Similarly for @1.
+
+	PR target/84827
+	* config/i386/i386.md (round<mode>2): For 387 fancy math, disable
+	pattern if -ftrapping-math -fno-fp-int-builtin-inexact.
+
+	PR target/84786
+	* config/i386/sse.md (sse2_loadhpd): Use Yv constraint rather than v
+	on the last operand.
+
+	2018-03-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/84772
+	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Mark va_arg_tmp
+	temporary TREE_ADDRESSABLE before gimplification of BUILT_IN_MEMCPY.
+
+	PR c++/84767
+	* tree-inline.c (copy_tree_body_r): For INDIRECT_REF of a remapped
+	decl, use remap_type if we want to use the type.
+
+	2018-03-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/84739
+	* tree-tailcall.c (find_tail_calls): Check call arguments against
+	DECL_ARGUMENTS (current_function_decl) rather than
+	DECL_ARGUMENTS (func) when checking for tail recursion.
+
+	2018-03-05  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/84700
+	* combine.c (combine_simplify_rtx): Don't try to simplify if
+	if_then_else_cond returned non-NULL, but either true_rtx or false_rtx
+	are equal to x.
+
+2018-06-22  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
+	Backport from mainline
+	2018-06-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
+	* config/arm/arm_cmse.h (cmse_nsfptr_create): Change typeof to
+	__typeof__.
+	(cmse_check_pointed_object): Likewise.
+
+2018-06-22  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
+	Backport from mainline
+	2018-05-17  Jerome Lambourg  <lambourg@adacore.com>
+
+	* config/arm/arm_cmse.h (cmse_nsfptr_create, cmse_is_nsfptr): Remove
+	#include <stdint.h>.  Replace intptr_t with __INTPTR_TYPE__.
+
+2018-06-21  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	Backport from mainline
+	2018-06-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* config.gcc (riscv*-*-elf* | riscv*-*-rtems*): Use custom
+	multilibs for *-*-rtems*.
+	* config/riscv/t-rtems: New file.
+
+2018-06-19  Max Filippov  <jcmvbkbc@gmail.com>
+
+	Backport from mainline
+	2018-06-19  Max Filippov  <jcmvbkbc@gmail.com>
+
+	* config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec
+	constant.
+	(allocate_stack, frame_blockage, *frame_blockage): New patterns.
+
+2018-06-19  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gimplify.c (gimplify_init_constructor): Really never clear for an
+	incomplete constructor if CONSTRUCTOR_NO_CLEARING is set.
+
+2018-06-18  Martin Sebor  <msebor@redhat.com>
+
+        PR middle-end/82063
+        * calls.c (alloc_max_size): Correct a logic error/typo.
+        Treat excessive arguments as infinite.  Warn for invalid arguments.
+        * doc/invoke.texi (-Walloc-size-larger-than): Update.
+
+2018-06-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	Backport from mainline
+	2018-06-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* config/rtems.h (STDINT_LONG32): Define.
+
+2018-06-11  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-06-08  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR target/85755
+	* config/rs6000/rs6000.c (mem_operand_gpr): Enable PRE_INC and PRE_DEC
+	addresses.
+
+2018-06-07  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-06-06  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR target/63177
+	* /config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for -mpower9.
+	Don't handle -mcpu=power8 if -mpower9-vector is also used.
+
+2018-06-07  Richard Biener  <rguenther@suse.de>
+
+	Backport from mainline
+	2018-05-04  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/85588
+	* fold-const.c (negate_expr_p): Restrict negation of operand
+	zero of a division to when we know that can happen without
+	overflow.
+	(fold_negate_expr_1): Likewise.
+
+	2018-05-02  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/85567
+	* gimplify.c (gimplify_save_expr): When in SSA form allow
+	SAVE_EXPRs to compute to SSA vars.
+
+	2018-05-02  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/85597
+	* tree-vect-stmts.c (vectorizable_operation): For ternary SLP
+	do not use split vect_get_vec_defs call but call vect_get_slp_defs
+	directly.
+
+2018-06-05  Andreas Krebbel  <krebbel@linux.ibm.com>
+
+	Backport from mainline
+	2018-06-05  Andreas Krebbel  <krebbel@linux.ibm.com>
+
+	* config/s390/s390-builtin-types.def: Add void function type.
+	* config/s390/s390-builtins.def: Use the function type for the
+	tbeginc builtin.
+
+2018-06-01  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	PR tree-optimization/85712
+	Backport from mainline:
+	2018-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	PR tree-optimization/85712
+	* gimple-ssa-strength-reduction.c (struct slsr_cand_d): Add
+	first_interp field.
+	(alloc_cand_and_find_basis): Initialize first_interp field.
+	(slsr_process_mul): Modify first_interp field.
+	(slsr_process_add): Likewise.
+	(slsr_process_cast): Modify first_interp field for each new
+	interpretation.
+	(slsr_process_copy): Likewise.
+	(dump_candidate): Dump first_interp field.
+	(replace_mult_candidate): Process all interpretations, not just
+	subsequent ones.
+	(replace_rhs_if_not_dup): Likewise.
+	(replace_one_candidate): Likewise.
+
+	Backport from mainline:
+	2018-05-25  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	PR tree-optimization/85712
+	* gimple-ssa-strength-reduction.c (replace_one_candidate): Skip if
+	this candidate has already been replaced in-situ by a copy.
+
+2018-05-24  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/sse.md (cvtusi2<ssescalarmodesuffix>64<round_name>):
+	Add {q} suffix to insn mnemonic.
+
+2018-05-24  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/85903
+	* config/i386/sse.md (movdi_to_sse): Do not generate pseudo
+	when memory input operand is handled.
+
+2018-05-21  Pat Haugen  <pthaugen@us.ibm.com>
+
+	Backport from mainline
+	2018-05-17  Pat Haugen  <pthaugen@us.ibm.com>
+		    Segher Boessenkool  <segher@kernel.crashing.org>
+
+	PR target/85698
+	* config/rs6000/rs6000.c (rs6000_output_move_128bit): Check
+	dest operand.
+
+2018-05-17  Martin Jambor  <mjambor@suse.cz>
+
+	Backport from mainline
+	2018-05-11  Martin Jambor  <mjambor@suse.cz>
+
+	PR ipa/85655
+	* ipa-cp.c (intersect_with_plats): Check that the lattice contains
+	single const.
+
+2018-05-01  Tom de Vries  <tom@codesourcery.com>
+
+	backport from trunk:
+	2018-04-16  Cesar Philippidis  <cesar@codesourcery.com>
+		    Tom de Vries  <tom@codesourcery.com>
+
+	PR middle-end/84955
+	* omp-expand.c (expand_oacc_for): Add dummy false branch for
+	tiled basic blocks without omp continue statements.
+
+2018-04-26  Richard Biener  <rguenther@suse.de>
+
+	Backport from mainline
+	2018-04-09  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/85284
+	* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
+	Only use the niter constraining form of simple_iv when the exit
+	is always executed.
+
+	2018-04-06  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/85244
+	* tree-dfa.c (get_ref_base_and_extent): Reset seen_variable_array_ref
+	after seeing a component reference with an adjacent field.  Treat
+	refs to arrays at struct end of external decls similar to
+	refs to unconstrained commons.
+
+	2018-04-04  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/85168
+	* tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Avoid
+	propagating abnormals.
+
+2018-04-24  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-04-17  Martin Liska  <mliska@suse.cz>
+
+	PR lto/85405
+	* ipa-devirt.c (odr_types_equivalent_p): Remove trailing
+	in message, remote space in between '_G' and '('.
+
+2018-04-24  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-04-17  Jan Hubicka  <jh@suse.cz>
+
+	PR lto/85405
+	* ipa-devirt.c (odr_types_equivalent_p): Handle bit fields.
+
+2018-04-24  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-03-28  Jakub Jelinek  <jakub@redhat.com>
+		    Martin Liska  <mliska@suse.cz>
+
+	PR sanitizer/85081
+	* gimplify.c (asan_poison_variable): Don't do the check for
+	gimplify_omp_ctxp here.
+	(gimplify_decl_expr): Do it here.
+	(gimplify_target_expr): Likewise.
+
+2018-04-24  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-03-21  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/84963
+	* ipa-icf.c (sem_item_optimizer::fixup_points_to_sets): Remove
+	not intended return statement.
+
+2018-04-24  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-03-13  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/84658.
+	* (sem_item_optimizer::sem_item_optimizer): Initialize new
+	vector.
+	(sem_item_optimizer::~sem_item_optimizer): Release it.
+	(sem_item_optimizer::merge_classes): Register variable aliases.
+	(sem_item_optimizer::fixup_pt_set): New function.
+	(sem_item_optimizer::fixup_points_to_sets): Likewise.
+	* ipa-icf.h: Declare new variables and functions.
+
+2018-04-23  Aaron Sawdey  <acsawdey@linux.ibm.com>
+
+	Backport from mainline
+	2018-04-16  Aaron Sawdey  <acsawdey@linux.ibm.com>
+
+	PR target/83660
+	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Mark
+	vec_extract expression as having side effects to make sure it gets
+	a cleanup point.
+
+2018-04-23  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR middle-end/85496
+	* expr.c (store_field): In the bitfield case, if the value comes from
+	a function call and is returned in registers by means of a PARALLEL,
+	do not change the mode of the temporary unless BLKmode and VOIDmode.
+
+2018-04-20  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-03-09  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR target/83969
+	* config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New prototype.
+	Add strict argument and use it.
+	(rs6000_split_multireg_move): Update for new strict argument.
+	(mem_operand_gpr): Disallow all non-offsettable addresses.
+	* config/rs6000/rs6000.md (*movdi_internal64): Use YZ constraint.
+
+2018-04-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	Backport from mainline
+	2018-04-11  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	PR target/85261
+	* config/arm/arm-builtins.c (arm_expand_builtin): Force input operand
+	into register.
+
+2018-04-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
+	Backport from mainline
+	2018-04-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
+	* config/s390/s390.c (s390_output_indirect_thunk_function): Check
+	also for flag_dwarf2_cfi_asm.
+
+2018-04-11  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/alpha/alpha.md (stack_probe_internal): Rename
+	from "probe_stack".  Update all callers.
+
+2018-04-11  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	Backport from mainline
+	2018-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	PR target/85203
+	* config/arm/arm-builtins.c (arm_expand_builtin): Change
+	expansion to perform a bitwise AND of the argument followed by a
+	boolean negation of the result.
+
+2018-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	Backport from mainline
+	2018-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR target/84748
+	* config/aarch64/aarch64.md (*compare_cstore<mode>_insn): Mark pattern
+	as clobbering CC_REGNUM.
+
+2018-04-06  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/85196
+	* config/sparc/sparc.c (sparc_expand_move): Deal with symbolic operands
+	based on LABEL_REF.  Remove useless assertion.
+	(pic_address_needs_scratch): Fix formatting.
+	(sparc_legitimize_pic_address): Minor tweaks.
+	(sparc_delegitimize_address): Adjust assertion accordingly.
+	* config/sparc/sparc.md (movsi_pic_label_ref): Change label_ref_operand
+	into symbolic_operand.
+	(movsi_high_pic_label_ref): Likewise.
+	(movsi_lo_sum_pic_label_ref): Likewise.
+	(movdi_pic_label_ref): Likewise.
+	(movdi_high_pic_label_ref): Likewise.
+	(movdi_lo_sum_pic_label_ref): Likewise.
+
+2018-04-06  Amaan Cheval  <amaan.cheval@gmail.com>
+
+	* config.gcc (x86_64-*-rtems*): Add rtems.h to tm_file for
+	custom LIB_SPEC setup.
+
+2018-04-05  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/85193
+	* config/i386/i386.md (define_attr "memory"): Handle rotate1 type.
+
+2018-04-04  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-04-04  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR rtl-optimization/84878
+	* ddg.c (add_cross_iteration_register_deps): Use DF_REF_BB to determine
+	the basic block.  Assert the use reference is not artificial and that
+	it has an associated insn.
+
+2018-04-03  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.c (emit_i387_cw_initialization): Always use logic
+	instructions when changing rounding bits to preserve precision bits
+	in the x87 control word.
+
+2018-04-03  Cesar Philippidis  <cesar@codesourcery.com>
+
+	Backport from mainline
+	2018-03-27  Cesar Philippidis  <cesar@codesourcery.com>
+
+	PR target/85056
+	* config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Add '[]' to
+	extern array declarations.
+
+2018-04-02  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-03-28  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR target/84912
+	* config/rs6000/rs6000.h: Update copyright date.
+	(RS6000_BTM_POWERPC64): New define.
+	(RS6000_BTM_COMMON): Add RS6000_BTM_POWERPC64.
+	* config/rs6000/rs6000.c: Update copyright date.
+	(rs6000_builtin_mask_calculate): Add support for RS6000_BTM_POWERPC64.
+	(rs6000_invalid_builtin): Add handling for RS6000_BTM_POWERPC64
+	(rs6000_builtin_mask_names): Add RS6000_BTM_POWERPC64.
+	* config/rs6000/rs6000-builtin.def: Update copyright date.
+	(BU_P7_POWERPC64_MISC_2): New macro definition.
+	(DIVDE): Use it.
+	(DIVDEU): Likewise.
+
+	Backport from mainline
+	2018-03-28  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR target/84912
+	* config/rs6000/rs6000-builtin.def (DIVWEO): Delete macro expansion.
+	(DIVWEUO): Likewise.
+	(DIVDEO): Likewise.
+	(DIVDEUO): Likewise.
+	* config/rs6000/rs6000.c (builtin_function_type): Remove support for
+	DIVWEUO and DIVDEUO.
+	* config/rs6000/rs6000.md: Update copyright date.
+	(UNSPEC_DIVEO, UNSPEC_DIVEUO): Delete unspecs.
+	(UNSPEC_DIV_EXTEND): Remove deleted unspecs.
+	(div_extend): Likewise.
+	* doc/extend.texi: Update copyright date.
+	(__builtin_divweo): Remove documentation for deleted builtin function.
+	(__builtin_divweuo): Likewise.
+	(__builtin_divdeo): Likewise.
+	(__builtin_divdeuo): Likewise.
+
+2018-04-02  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-03-30  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR target/80546
+	* config/rs6000/vsx.md (??r): New mode attribute.
+	(*vsx_mov<mode>_64bit): Use it.
+	(*vsx_mov<mode>_32bit): Likewise.
+
+2018-03-29  Sebastian Peryt  <sebastian.peryt@intel.com>
+
+	PR c++/84783
+	* config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
+	(_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
+
+2018-03-29  Sudakshina Das  <sudi.das@arm.com>
+
+	Backport from mainline
+	2018-03-22  Sudakshina Das  <sudi.das@arm.com>
+
+	PR target/84826
+	* config/arm/arm.h (machine_function): Add static_chain_stack_bytes.
+	* config/arm/arm.c (arm_compute_static_chain_stack_bytes): Avoid
+	re-computing once computed.
+	(arm_expand_prologue): Compute machine->static_chain_stack_bytes.
+	(arm_init_machine_status): Initialize
+	machine->static_chain_stack_bytes.
+
+2018-03-28  Sudakshina Das  <sudi.das@arm.com>
+
+	2018-03-19  Sudakshina Das  <sudi.das@arm.com>
+	PR target/81647
+
+	* config/aarch64/aarch64-simd.md (vec_cmp<mode><v_cmp_result>): Modify
+	instructions for UNLT, UNLE, UNGT, UNGE, UNEQ, UNORDERED and ORDERED.
+
+2018-03-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	Backport from mainline
+	2018-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR target/85026
+	* config/arm/arm.md (unaligned_loadhis): Remove first alternative.
+	Clean up attributes.
+
+2018-03-28  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	Backport from mainline
+	2018-03-08  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	PR target/82411
+	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Don't put
+	readonly data in sdata, if that is disabled.
+	* config/rs6000/sysv4.opt (mreadonly-in-sdata): New option.
+	* doc/invoke.texi (RS/6000 and PowerPC Options): Document
+	-mreadonly-in-sdata option.
+
+2018-03-27  Sudakshina Das  <sudi.das@arm.com>
+
+	Backport from mainline:
+	2018-03-20  Sudakshina Das  <sudi.das@arm.com>
+
+	PR target/82989
+	* config/arm/neon.md (ashldi3_neon): Update ?s for constraints
+	to favor GPR over NEON registers.
+	(<shift>di3_neon): Likewise.
+
+2018-03-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	Backport from mainline
+	2018-03-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR target/82518
+	* config/arm/arm.c (arm_array_mode_supported_p): Return false for
+	BYTES_BIG_ENDIAN.
+
+2018-03-23  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-03-20  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR target/83789
+	* config/rs6000/altivec.md (altivec_lvx_<mode>_2op): Delete define_insn.
+	(altivec_lvx_<mode>_1op): Likewise.
+	(altivec_stvx_<mode>_2op): Likewise.
+	(altivec_stvx_<mode>_1op): Likewise.
+	(altivec_lvx_<VM2:mode>): New define_expand.
+	(altivec_stvx_<VM2:mode>): Likewise.
+	(altivec_lvx_<VM2:mode>_2op_<P:mptrsize>): New define_insn.
+	(altivec_lvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
+	(altivec_stvx_<VM2:mode>_2op_<P:mptrsize>): Likewise.
+	(altivec_stvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
+	* config/rs6000/rs6000.c (altivec_expand_lv_builtin): Likewise.
+	(altivec_expand_stv_builtin): Likewise.
+	(altivec_expand_builtin): Likewise.
+	* config/rs6000/vector.md: Likewise.
+
+2018-03-23  Carl Love  <cel@us.ibm.com>
+
+	Backport from mainline:
+	2018-03-14  Carl Love  <cel@us.ibm.com>
+
+	* config/rs6000/r6000.c (rtx_is_swappable_p): Add case UNSPEC_VPERMXOR.
+
+2018-03-22  Tom de Vries  <tom@codesourcery.com>
+
+	backport from trunk:
+	2018-03-22  Tom de Vries  <tom@codesourcery.com>
+
+	PR tree-optimization/84956
+	* tree-ssa-tail-merge.c (find_clusters_1): Skip bbs with
+	bb_has_abnormal_pred.
+
+2018-03-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+	Backport from mainline
+	2018-03-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/84574
+	* config/i386/i386.c (indirect_thunk_needed): Update comments.
+	(indirect_thunk_bnd_needed): Likewise.
+	(indirect_thunks_used): Likewise.
+	(indirect_thunks_bnd_used): Likewise.
+	(indirect_return_needed): New.
+	(indirect_return_bnd_needed): Likewise.
+	(output_indirect_thunk_function): Add a bool argument for
+	function return.
+	(output_indirect_thunk_function): Don't generate alias for
+	function return thunk.
+	(ix86_code_end): Call output_indirect_thunk_function to generate
+	function return thunks.
+	(ix86_output_function_return): Set indirect_return_bnd_needed
+	and indirect_return_needed instead of indirect_thunk_bnd_needed
+	and indirect_thunk_needed.
+
+2018-03-14  John David Anglin  <danglin@gcc.gnu.org>
+
+	PR target/83451
+	* config/pa/pa.c (pa_emit_move_sequence):  Always emit secondary reload
+	insn for floating-point loads and stores.
+
+2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/invoke.texi (-mclflushopt): Fix spelling of option.
+
+2018-03-12  Richard Sandiford  <richard.sandiford@linaro.org>
+
+	PR tree-optimization/84485
+	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Return
+	true for zero dependence distances if the step might be zero,
+	and if there is no metadata that guarantees correctness.
+	(vect_analyze_data_ref_access): Check safelen as well as
+	force_vectorize.
+
+2018-03-11  John David Anglin  <danglin@gcc.gnu.org>
+
+	Backport from mainline
+	2018-02-14  John David Anglin  <danglin@gcc.gnu.org>
+
+	PR target/83984
+	* config/pa/pa.md: Load address of PIC label using the linkage table
+	if the label is nonlocal.
+
+	Backport from mainline
+	2018-03-06  John David Anglin  <danglin@gcc.gnu.org>
+
+	* config/pa/pa.h (ASM_GENERATE_INTERNAL_LABEL): Revise to use
+	sprint_ul.
+	(ASM_OUTPUT_ADDR_VEC_ELT): Revise for above change.
+	(ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
+	* config/pa/pa64-hpux.h (ASM_GENERATE_INTERNAL_LABEL): Revise as above.
+
+2018-03-09  Kugan Vivekanandarajah  <kuganv@linaro.org>
+
+	Backport from mainline
+	2017-09-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
+
+	* config/aarch64/aarch64.c (aarch64_override_options_after_change_1):
+	Disable pc relative literal load irrespective of TARGET_FIX_ERR_A53_84341
+	for default.
+
+2018-03-06  Denis Chertykov  <chertykov@gmail.com>
+
+	Backport from mainline
+	2018-02-07  Georg-Johann Lay  <avr@gjlay.de>
+
+	PR target/84209
+	* config/avr/avr.h (GENERAL_REGNO_P, GENERAL_REG_P): New macros.
+	* config/avr/avr.md: Only post-reload split REG-REG moves if
+	either register is GENERAL_REG_P.
+
+2018-03-06  Carl Love  <cel@us.ibm.com>
+
+	Backport from mainline
+	2/16/18  commit 257748  Carl Love  <cel@us.ibm.com>
+
+	* config/rs6000/altivec.h: Remove vec_vextract4b and vec_vinsert4b.
+	* config/rs6000/rs6000-builtin.def: Remove macro expansion for
+	VINSERT4B_DI and VINSERT4B.
+	* config/rs6000/rs6000.c: Remove case statements for
+	P9V_BUILTIN_VINSERT4B, P9V_BUILTIN_VINSERT4B_DI,
+	and P9V_BUILTIN_VEC_VINSERT4B.
+	* config/rs6000/rs6000-c.c (altivec_expand_builtin): Remove entries for
+	P9V_BUILTIN_VEC_VEXTRACT4B and P9V_BUILTIN_VEC_VINSERT4B.
+	* config/rs6000/vsx.md:  Remove define_expand vinsert4b,
+	define_insn *vinsert4b_internal, define_insn "*vinsert4b_di_internal.
+	* doc/extend.texi: Remove vec_vextract4b, non ABI definitions for
+	vec_insert4b.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-02-20  Martin Liska  <mliska@suse.cz>
+
+	PR c/84310
+	PR target/79747
+	* final.c (shorten_branches): Build align_tab array with one
+	more element.
+	* opts.c (finish_options): Add alignment option limit check.
+	(MAX_CODE_ALIGN): Likewise.
+	(MAX_CODE_ALIGN_VALUE): Likewise.
+	* doc/invoke.texi: Document maximum allowed option value for
+	all -falign-* options.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-02-19  Martin Liska  <mliska@suse.cz>
+
+	PR other/80589
+	* doc/invoke.texi: Fix typo.
+	* params.def (PARAM_MAX_LOOP_HEADER_INSNS): Likewise.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-02-05  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/84137
+	* doc/gcov.texi: Fix typo in documentation.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-02-05  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/83879
+	* doc/gcov.texi: Document necessity of --dynamic-list-data when
+	using dlopen functionality.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2017-12-19  Martin Liska  <mliska@suse.cz>
+
+	PR rtl-optimization/82675
+	* loop-unroll.c (unroll_loop_constant_iterations): Allocate one
+	more element in sbitmap.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-03-05  Martin Liska  <mliska@suse.cz>
+
+	* ipa-utils.c (ipa_merge_profiles): Do not merge alias or
+	a function without profile.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-02-21  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR c/84229
+	* ipa-cp.c (determine_versionability): Do not version functions caling
+	va_arg_pack.
+
+2018-03-06  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2018-02-08  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/81360
+	* cgraph.h (symtab_node::output_to_lto_symbol_table_p): Declare
+	* symtab.c: Include builtins.h
+	(symtab_node::output_to_lto_symbol_table_p): Move here
+	from lto-streamer-out.c:output_symbol_p.
+	* lto-streamer-out.c (write_symbol): Turn early exit to assert.
+	(output_symbol_p): Move all logic to symtab.c
+	(produce_symtab): Update.
+
+2018-03-06  Peter Bergner  <bergner@vnet.ibm.com>
+
+	Backport from mainline
+	2018-02-22  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/81572
+	* lra-int.h (LRA_UNKNOWN_ALT, LRA_NON_CLOBBERED_ALT): New macros.
+	* lra.c (lra_set_insn_recog_data, lra_update_insn_recog_data): Use
+	LRA_UNKNOWN_ALT.
+	* lra-constraints.c (curr_insn_transform): Set up
+	LRA_NON_CLOBBERED_ALT for moves processed on the fast path.  Use
+	LRA_UNKNOWN_ALT.
+	(remove_inheritance_pseudos): Use LRA_UNKNOWN_ALT.
+	* lra-eliminations.c (spill_pseudos): Ditto.
+	(process_insn_for_elimination): Ditto.
+	* lra-lives.c (reg_early_clobber_p): Use the new macros.
+	* lra-spills.c (spill_pseudos): Use LRA_UNKNOWN_ALT and
+	LRA_NON_CLOBBERED_ALT.
+
+2018-03-06  Richard Biener  <rguenther@suse.de>
+
+	Backport from mainline
+	2018-03-05  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/84486
+	* tree-ssa-pre.c (create_expression_by_pieces): Remove dead code.
+	When inserting a __builtin_assume_aligned call set the LHS
+	SSA name alignment info accordingly.
+
+	2018-02-28  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/84607
+	* genmatch.c (capture_info::walk_match): Do not mark
+	captured expressions without operands as expr_p given
+	they act more like predicates and should be subject to
+	"lost tail" side-effect preserving.
+
+2018-03-05  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/84524
+	* config/i386/sse.md (*<code><mode>3): Replace <mask_prefix3> with
+	orig,vex.
+	(*<plusminus_insn><mode>3): Likewise.  Remove <mask_operand3> uses.
+
 2018-03-03  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline