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|
2018-03-05 Wilco Dijkstra <wdijkstr@arm.com>
PR tree-optimization/84114
* config/aarch64/aarch64.c (aarch64_reassociation_width)
Avoid reassociation of FLOAT_MODE addition.
2018-03-05 Olga Makhotina <olga.makhotina@intel.com>
* common/config/i386/i386-common.c (OPTION_MASK_ISA_PCONFIG_SET,
OPTION_MASK_ISA_PCONFIG_UNSET, OPTION_MASK_ISA_WBNOINVD_SET,
OPTION_MASK_ISA_WBNOINVD_UNSET): New definitions.
(ix86_handle_option): Handle -mpconfig and -mwbnoinvd.
* config.gcc (pconfigintrin.h, wbnoinvdintrin.h) : Add headers.
* config/i386/cpuid.h (bit_PCONFIG, bit_WBNOINVD): New.
* config/i386/driver-i386.c (host_detect_local_cpu): Detect -mpconfig
and -mwbnoinvd.
* config/i386/i386-builtin.def (__builtin_ia32_wbnoinvd,
__builtin_ia32_wbinvd): New builtins.
(SPECIAL_ARGS2): New.
* config/i386/i386-c.c (__WBNOINVD__, __PCONFIG__): New.
(SPECIAL_ARGS2): New.
* config/i386/i386.c (ix86_target_string): Add -mpconfig and -mwbnoinvd.
(ix86_valid_target_attribute_inner_p): Ditto.
(ix86_init_mmx_sse_builtins): Add special_args2.
* config/i386/i386.h (TARGET_PCONFIG, TARGET_PCONFIG_P, TARGET_WBNOINVD,
TARGET_WBNOINVD_P): New.
* config/i386/i386.md (UNSPECV_WBINVD, UNSPECV_WBNOINVD): New.
(define_insn "wbinvd", define_insn "wbnoinvd"): New.
* config/i386/i386.opt: Add -mpconfig and -mwbnoinvd.
* config/i386/immintrin.h (_wbinvd): New intrinsic.
* config/i386/pconfigintrin.h: New file.
* config/i386/wbnoinvdintrin.h: Ditto.
* config/i386/x86intrin.h: Add headers pconfigintrin.h and wbnoinvdintrin.h.
* doc/invoke.texi (-mpconfig, -mwbnoinvd): New.
2018-03-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/84670
* tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs
member.
(BB_VISITED_WITH_VISITED_SUCCS): New define.
(compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS.
(compute_antic_aux): Only assert the number of values in ANTIC_IN
doesn't grow if all successors (recursively) were visited at least
once.
2018-03-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/84650
* tree-ssa-loop-im.c (pass_lim::execute): Reset the SCEV cache
if executed in the loop pipeline.
2018-03-05 Sandra Loosemore <sandra@codesourcery.com>
* doc/configfiles.texi (Configuration Files): Move info about
conditionalizing $target-protos.h to...
* doc/sourcebuild.texi (Back End): Here. Explain how $target.h
differs from $target-protos.h.
2018-03-05 Kito Cheng <kito.cheng@gmail.com>
Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32-protos.h (nds32_expand_setmem): Declare.
* config/nds32/nds32-multiple.md (setmemsi): Define.
* config/nds32/nds32-memory-manipulation.c
(nds32_gen_dup_4_byte_to_word_value): New.
(emit_setmem_word_loop): New.
(emit_setmem_byte_loop): New.
(nds32_expand_setmem_loop): New.
(nds32_expand_setmem_loop_v3m): New.
(nds32_expand_setmem_unroll): New.
(nds32_expand_setmem): New.
2018-03-04 Kito Cheng <kito.cheng@gmail.com>
Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32-memory-manipulation.c
(nds32_emit_load_store): New.
(nds32_emit_post_inc_load_store): New.
(nds32_emit_mem_move): New.
(nds32_emit_mem_move_block): New.
(nds32_expand_movmemsi_loop_unknown_size): New.
(nds32_expand_movmemsi_loop_known_size): New.
(nds32_expand_movmemsi_loop): New.
(nds32_expand_movmemsi_unroll): New.
(nds32_expand_movmemqi): Rename ...
(nds32_expand_movmemsi): ... to this.
* config/nds32/nds32-multiple.md (movmemqi): Rename ...
(movmemsi): ... to this.
* config/nds32/nds32-protos.h (nds32_expand_movmemqi): Rename ...
(nds32_expand_movmemsi): ... to this.
2018-03-04 Kito Cheng <kito.cheng@gmail.com>
Monk Chiang <sh.chiang04@gmail.com>
Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32-protos.h
(nds32_expand_load_multiple): New arguments.
(nds32_expand_store_multiple): Ditto.
(nds32_valid_multiple_load_store): Rename ...
(nds32_valid_multiple_load_store_p): ... to this.
* config/nds32/nds32-memory-manipulation.c
(nds32_expand_load_multiple): Refine implementation.
(nds32_expand_store_multiple): Ditto.
* config/nds32/nds32-multiple.md
(load_multiple): Update nds32_expand_load_multiple interface.
(store_multiple): Update nds32_expand_store_multiple interface.
* config/nds32/nds32-predicates.c
(nds32_valid_multiple_load_store): Rename ...
(nds32_valid_multiple_load_store_p): ... to this and refine
implementation.
* config/nds32/predicates.md
(nds32_load_multiple_and_update_address_operation): New predicate.
(nds32_store_multiple_and_update_address_operation): New predicate.
2018-03-04 Kito Cheng <kito.cheng@gmail.com>
Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32.md (type): Add load_multiple and store_multiple.
(combo): New attribute.
* config/nds32/nds32-multiple.md: Refine patterns with new attributes.
2018-03-03 Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32.opt: Change -mcmodel= default value.
2018-03-03 Kito Cheng <kito.cheng@gmail.com>
Monk Chiang <sh.chiang04@gmail.com>
Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/constants.md (unspec_element): New enum.
* config/nds32/constraints.md (Umw): New constraint.
* config/nds32/nds32-intrinsic.c: Add more builtin functions.
* config/nds32/nds32-intrinsic.md: Likewise.
* config/nds32/nds32-md-auxiliary.c (nds32_regno_to_enable4): New.
(nds32_valid_smw_lwm_base_p): New.
(nds32_output_smw_single_word): New.
(nds32_output_lmw_single_word): New.
(nds32_expand_unaligned_load): New.
(nds32_expand_unaligned_store): New.
* config/nds32/nds32-protos.h (nds32_valid_smw_lwm_base_p): Declare.
(nds32_output_smw_single_word): Declare.
(nds32_output_lmw_single_word): Declare.
(nds32_expand_unaligned_load): Declare.
(nds32_expand_unaligned_store): Declare.
* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_UALOAD_HW,
NDS32_BUILTIN_UALOAD_W, NDS32_BUILTIN_UALOAD_DW,
NDS32_BUILTIN_UASTORE_HW, NDS32_BUILTIN_UASTORE_W,
NDS32_BUILTIN_UASTORE_DW.
* config/nds32/predicates.md (nds32_lmw_smw_base_operand): New
predicate.
2018-03-03 Monk Chiang <sh.chiang04@gmail.com>
Kito Cheng <kito.cheng@gmail.com>
Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32-intrinsic.c
(nds32_expand_builtin_null_ftype_reg): Delete.
(nds32_expand_builtin_reg_ftype_imm): Ditto.
(nds32_expand_builtin_null_ftype_reg_imm): Ditto.
(nds32_read_argument): New.
(nds32_legitimize_target): Ditto.
(nds32_legitimize_argument): Ditto.
(nds32_check_constant_argument): Ditto.
(nds32_expand_unop_builtin): Ditto.
(nds32_expand_unopimm_builtin): Ditto.
(nds32_expand_binop_builtin): Ditto.
(nds32_builtin_decl_impl): Ditto.
(builtin_description): Ditto.
(nds32_expand_builtin_impl): Rewrite with new infrastructure.
(nds32_init_builtins_impl): Ditto.
* config/nds32/nds32.c (TARGET_BUILTIN_DECL): Define.
(nds32_builtin_decl): New.
* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_COUNT.
* config/nds32/nds32-protos.h (nds32_builtin_decl_impl): Declare.
2018-03-02 Jeff Law <law@redhat.com>
* reorg.c (stop_search_p): Handle DEBUG_INSN.
(redundant_insn, fill_simple_delay_slots): Likewise.
(fill_slots_from_thread): Likewise.
* resource.c (mark_referenced_resources): Likewise.
(mark_set_resources, find_dead_or_set_registers): Likewise.
2018-03-02 Jakub Jelinek <jakub@redhat.com>
* substring-locations.h (format_warning_va): Formatting fix for
ATTRIBUTE_GCC_DIAG.
(format_warning_at_substring): Fix up ATTRIBUTE_GCC_DIAG second
argument.
(format_warning_n_va, format_warning_at_substring_n): New prototypes.
* substring-locations.c: Include intl.h.
(format_warning_va): Turned into small wrapper around
format_warning_n_va, renamed to ...
(format_warning_n_va): ... this, add N and PLURAL_GMSGID arguments,
rename GMSGID to SINGULAR_GMSGID, if SINGULAR_GMSGID != PLURAL_GMSGID,
use ngettext.
(format_warning_at_substring_n): New function.
* gimple-ssa-sprintf.c: Remove GCC diagnostic ignored pragma.
(fmtwarn): Add ATTRIBUTE_GCC_DIAG. Turn into a copy of
format_warning_at_substring with just a shorter name instead of
const function pointer.
(fmtwarn_n): New function.
(maybe_warn, format_directive, parse_directive): Use fmtwarn_n where
appropriate, get rid of all the fmtstr temporaries, move conditionals
with G_() wrapped string literals directly into fmtwarn arguments,
cast dir.len to (int), formatting fixes.
2018-03-02 Thomas Schwinge <thomas@codesourcery.com>
* doc/invoke.texi: Remove "Cilk Plus" references.
2018-03-02 Jakub Jelinek <jakub@redhat.com>
Richard Biener <rguenther@suse.de>
PR ipa/84628
* expr.c (expand_expr_real_1) <case CALL_EXPR>: Don't emit diagnostics
for error or warning attributes if CALL_FROM_THUNK_P is set.
Formatting fixes.
2018-03-02 Jakub Jelinek <jakub@redhat.com>
PR target/56540
* config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Predefine
__SIZEOF_128__ macro if HPUX_LONG_DOUBLE_LIBRARY.
PR target/56540
* config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Predefine
__SIZEOF_{FPREG,FLOAT{80,128}}__ macros.
* predict.c (test_prediction_value_range): Use PROB_UNINITIALIZED
instead of -1U in last predictors element's probability member.
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.
2018-03-02 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/84634
* tree-vect-stmts.c (vectorizable_store, vectorizable_load): Replace
masks and masked_loop_p with a single loop_masks, making sure it's
null for bb vectorization.
2018-03-02 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-data-refs.c (vect_analyze_data_ref_dependence)
(vect_analyze_data_ref_access): Use loop->safe_len rather than
loop->force_vectorize to check whether there is no alias.
2018-03-02 Jakub Jelinek <jakub@redhat.com>
PR target/84614
* rtl.h (prev_real_nondebug_insn, next_real_nondebug_insn): New
prototypes.
* emit-rtl.c (next_real_insn, prev_real_insn): Fix up function
comments.
(next_real_nondebug_insn, prev_real_nondebug_insn): New functions.
* cfgcleanup.c (try_head_merge_bb): Use prev_real_nondebug_insn
instead of a loop around prev_real_insn.
* combine.c (move_deaths): Use prev_real_nondebug_insn instead of
prev_real_insn.
PR inline-asm/84625
* config/i386/i386.c (ix86_print_operand): Use conditional
output_operand_lossage instead of gcc_assert if CONST_VECTOR is not
zero vector.
2018-03-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/84427
* tree-ssa-pre.c (bitmap_remove_expr_from_set): Remove.
(bitmap_set_subtract_values): Rewrite to handle multiple
exprs per value.
(clean): Likewise.
(prune_clobbered_mems): Likewise.
(phi_translate): Take edge instead of pred/phiblock.
(phi_translate_1): Likewise.
(phi_translate_set): Likewise. Insert all translated
exprs for a value into the set, keeping possibly multiple
expressions per value.
(compute_antic_aux): Adjust for phi_translate changes.
When intersecting union the expressions and prune those
not in the final value set, keeping possibly multiple
expressions per value. Do not use value-insertion
for unioning ANTIC_OUT U EXP_GEN - TMP_GEN but merge
all expressions. Add verification that the value-sets
only shrink during iteration.
(compute_partial_antic_aux): Adjust for the phi_translate changes.
(do_pre_regular_insertion): Likewise.
(do_pre_partial_partial_insertion): Likewise.
2018-03-02 Richard Biener <rguenther@suse.de>
PR target/82005
* config/darwin.c (saved_debug_info_level): New static global.
(darwin_asm_lto_start): Disable debug info generation for LTO out.
(darwin_asm_lto_end): Restore debug info generation settings.
2018-03-01 Martin Liska <mliska@suse.cz>
PR sanitizer/82484
* sanopt.c (sanitize_rewrite_addressable_params): Do not handle
volatile arguments.
2018-03-01 Richard Biener <rguenther@suse.de>
PR debug/84645
* dwarf2out.c (gen_variable_die): Properly handle late VLA
type annotation with LTO when debug was disabled at compile-time.
2018-03-01 Matthew Fortune <mfortune@gmail.com>
* config/mips/mips.c (mips_final_prescan_insn): Fix incorrect
XINT with INTVAL.
(mips_final_postscan_insn): Likewise.
2018-03-01 Richard Sandiford <richard.sandiford@linaro.org>
PR rtl-optimization/84528
* alias.c (init_alias_target): Add commentary.
(init_alias_analysis): Only give HARD_FRAME_POINTER_REGNUM
a unique base value if the frame pointer is not eliminated
to the stack pointer.
2018-03-01 Tom de Vries <tom@codesourcery.com>
PR rtl-optimization/83327
* lra-int.h (hard_regs_spilled_into): Declare.
* lra.c (hard_regs_spilled_into): Define.
(init_reg_info): Init hard_regs_spilled_into.
* lra-spills.c (assign_spill_hard_regs): Update hard_regs_spilled_into.
* lra-lives.c (make_hard_regno_born, make_hard_regno_dead)
(process_bb_lives): Handle hard_regs_spilled_into.
(lra_create_live_ranges_1): Before doing liveness propagation, clear
regs in all_hard_regs_bitmap if set in hard_regs_spilled_into.
2018-02-28 David Edelsohn <dje.gcc@gmail.com>
* config.gcc (powerpc-ibm-aix7.1.*): New stanza.
(powerpc-ibm-aix[789]*): Default to AIX 7.2.
* config/rs6000/aix71.h (TARGET_DEFAULT): Revert to Power4 ISA.
* config/rs6000/aix72.h: New file.
2018-02-28 Jakub Jelinek <jakub@redhat.com>
* gimple-ssa-warn-restrict.c (maybe_diag_overlap): Use warning_n
instead of warning_at with conditional singular and plural messages
where possible.
PR target/52991
* stor-layout.c (update_alignment_for_field): For
targetm.ms_bitfield_layout_p (rli->t), if !is_bitfield
&& !DECL_PACKED (field), do the alignment update, just use
only desired_align instead of MAX (type_align, desired_align)
as the alignment.
(place_field): Don't do known_align < desired_align handling
early if targetm.ms_bitfield_layout_p (rli->t) and rli->prev_field
is non-NULL, instead do it after rli->prev_field handling and
only if not within a bitfield word. For DECL_PACKED (field)
use type_align of BITS_PER_UNIT.
2018-02-28 Eric Botcazou <ebotcazou@adacore.com>
* config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Remove
superfluous parentheses and trailing spaces.
2018-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/84584
* graphite-scop-detection.c (scop_detection::add_scop): Discard
SCoPs with fake exit edge.
2018-02-28 Martin Liska <mliska@suse.cz>
PR testsuite/84597
* timevar.c (timer::print): Fix format to properly print 100%
values.
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.
2018-02-28 Alexandre Oliva <aoliva@redhat.com>
PR rtl-optimization/81611
* auto-inc-dec.c (attempt_change): Move dead note from
mem_insn if it's the next use of regno
(find_address): Take address use of reg holding
non-incremented value. Add parm to limit search to the named
reg only.
(merge_in_block): Attempt to use a mem insn that is the next
use of the original regno.
2018-02-27 Martin Sebor <msebor@redhat.com>
PR c++/83871
* gcc/doc/invoke.texi (-Wmissing-attributes): New option.
* gcc/print-tree.c (print_node): Handle DECL_UNINLINABLE.
2018-02-27 Martin Sebor <msebor@redhat.com>
PR translation/84207
* diagnostic-core.h (warning_n, error_n, inform_n): Change
n argument to unsigned HOST_WIDE_INT.
* diagnostic.c (warning_n, error_n, inform_n): Ditto.
(diagnostic_n_impl): Ditto. Handle arguments in excess of LONG_MAX.
* gimple-ssa-sprintf.c (format_directive): Simplify inform_n call.
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Use warning_n.
2018-02-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/84512
* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
Do not use the estimate returned from record_stmt_cost for
the scalar iteration cost but sum properly using add_stmt_cost.
2018-02-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/84466
* graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p):
Adjust last change to less strictly validate use operands.
2018-02-27 Martin Liska <mliska@suse.cz>
PR gcov-profile/84548
* gcov.c (process_file): Allow partial overlap and consider it
also as group functions.
(output_lines): Properly calculate range of lines for a group.
2018-02-27 Martin Liska <mliska@suse.cz>
* timevar.c (timer::print_row): Remove 'usr', 'sys', 'wall' and
'ggc' suffixes. Change first column width.
(timer::print): Fix formatting of the column.
2018-02-27 Alexandre Oliva <aoliva@redhat.com>
* tree-ssa-live.c (remove_unused_scope_block_p): Do not
preserve inline entry blocks for the sake of debug inline
entry point markers alone.
(remove_unused_locals): Suggest in comments a better place to
force the preservation of inline entry blocks that are
otherwise unused, but do not preserve them.
2018-02-26 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_output_indirect_jmp): Update comments.
2018-02-26 H.J. Lu <hongjiu.lu@intel.com>
PR target/84039
* config/i386/constraints.md (Bs): Replace
ix86_indirect_branch_register with
TARGET_INDIRECT_BRANCH_REGISTER.
(Bw): Likewise.
* config/i386/i386.md (indirect_jump): Likewise.
(tablejump): Likewise.
(*sibcall_memory): Likewise.
(*sibcall_value_memory): Likewise.
Peepholes of indirect call and jump via memory: Likewise.
(*sibcall_GOT_32): Disallowed for TARGET_INDIRECT_BRANCH_REGISTER.
(*sibcall_value_GOT_32): Likewise.
* config/i386/predicates.md (indirect_branch_operand): Likewise.
(GOT_memory_operand): Likewise.
(call_insn_operand): Likewise.
(sibcall_insn_operand): Likewise.
(GOT32_symbol_operand): Likewise.
* config/i386/i386.h (TARGET_INDIRECT_BRANCH_REGISTER): New.
2018-02-26 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/83496
* reorg.c (steal_delay_list_from_target): Change REDUNDANT array from
booleans to RTXes. Call fix_reg_dead_note on every non-null element.
(steal_delay_list_from_fallthrough): Call fix_reg_dead_note on a
redundant insn, if any.
(relax_delay_slots): Likewise.
(update_reg_unused_notes): Rename REDUNDANT_INSN to OTHER_INSN.
2018-02-26 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83965
* tree-vect-patterns.c (vect_reassociating_reduction_p): Assume
that grouped statements are part of a reduction chain. Return
true if the statement is not marked as a reduction itself but
is part of a group.
(vect_recog_dot_prod_pattern): Don't check whether the statement
is part of a group here.
(vect_recog_sad_pattern): Likewise.
(vect_recog_widen_sum_pattern): Likewise.
2018-02-26 Eric Botcazou <ebotcazou@adacore.com>
PR debug/84545
* final.c (rest_of_clean_state): Also look for calls inside sequences.
2018-02-26 H.J. Lu <hongjiu.lu@intel.com>
PR target/84530
* config/i386/i386-protos.h (ix86_output_indirect_jmp): Remove
the bool argument.
(ix86_output_indirect_function_return): New prototype.
(ix86_split_simple_return_pop_internal): Likewise.
* config/i386/i386.c (indirect_return_via_cx): New.
(indirect_return_via_cx_bnd): Likewise.
(indirect_thunk_name): Handle return va CX_REG.
(output_indirect_thunk_function): Create alias for
__x86_return_thunk_[re]cx and __x86_return_thunk_[re]cx_bnd.
(ix86_output_indirect_jmp): Remove the bool argument.
(ix86_output_indirect_function_return): New function.
(ix86_split_simple_return_pop_internal): Likewise.
* config/i386/i386.md (*indirect_jump): Don't pass false
to ix86_output_indirect_jmp.
(*tablejump_1): Likewise.
(simple_return_pop_internal): Change it to define_insn_and_split.
Call ix86_split_simple_return_pop_internal to split it for
-mfunction-return=.
(simple_return_indirect_internal): Call
ix86_output_indirect_function_return instead of
ix86_output_indirect_jmp.
2018-02-26 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/84405
* vec.h (vec_default_construct): For BROKEN_VALUE_INITIALIZATION use
memset and value initialization afterwards.
2018-02-26 Christophe Lyon <christophe.lyon@linaro.org>
* Makefile.in (lto-wrapper): Use ALL_LINKERFLAGS.
2018-02-26 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/84521
* common/config/aarch64/aarch64-common.c
(aarch_option_optimization_table[]): Switch
off fomit-frame-pointer
2018-02-26 Kito Cheng <kito.cheng@gmail.com>
Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32-multiple.md (load_multiple): Disallow
volatile memory.
(store_multiple): Ditto.
2018-02-26 Kito Cheng <kito.cheng@gmail.com>
* config.gcc: Add --with-cpu support for nds32 target.
* config/nds32/nds32-opts.h (nds32_cpu_type): New.
* config/nds32/nds32.opt: Add -mcpu= option.
2018-02-25 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.opt (mvrsave=no, mvrsave=yes, isel=no,
isel=yes): Warn for these deprecated options.
2018-02-23 David Edelsohn <dje.gcc@gmail.com>
* config/rs6000/aix71.h (TARGET_DEFAULT): Change to
ISA_2_5_MASKS_EMBEDDED.
2018-02-23 Jakub Jelinek <jakub@redhat.com>
* ipa-prop.c (ipa_vr_ggc_hash_traits::hash): Hash p->min and
p->max as pointers rather than using iterative_hash_expr.
2018-02-23 Carl Love <cel@us.ibm.com>
* config/rs6000/rs6000-builtin.def: Change VSIGNED2 and VUNSIGNED2
macro expansions from BU_VSX_2 to BU_P8V_VSX_2 and BU_VSX_OVERLOAD_2 to
BU_P8V_OVERLOAD_2.
* config/rs6000/rs6000-c.c: Change VSX_BUILTIN_VEC_VSIGNED2 to
P8V_BUILTIN_VEC_VSIGNED2. Change VSX_BUILTIN_VEC_VUNSIGNED2 to
P8V_BUILTIN_VEC_VUNSIGNED2.
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.
2018-02-22 Martin Sebor <msebor@redhat.com>
PR tree-optimization/84480
* gimple-fold.c (gimple_fold_builtin_strcpy): Move warnings
to maybe_diag_stxncpy_trunc. Call it.
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Integrate warnings
from gimple_fold_builtin_strcpy. Print inlining stack.
(handle_builtin_stxncpy): Print inlining stack.
* tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Declare.
2018-02-22 H.J. Lu <hongjiu.lu@intel.com>
PR target/84176
* config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
error when -mindirect-branch=thunk-extern, -fcf-protection=branch
and -fcheck-pointer-bounds are used together.
(indirect_thunk_prefix): New enum.
(indirect_thunk_need_prefix): New function.
(indirect_thunk_name): Replace need_bnd_p with need_prefix. Use
"_nt" instead of "_bnd" for NOTRACK prefix.
(output_indirect_thunk): Replace need_bnd_p with need_prefix.
(output_indirect_thunk_function): Likewise.
(): Likewise.
(ix86_code_end): Update output_indirect_thunk_function calls.
(ix86_output_indirect_branch_via_reg): Replace
ix86_bnd_prefixed_insn_p with indirect_thunk_need_prefix.
(ix86_output_indirect_branch_via_push): Likewise.
(ix86_output_function_return): Likewise.
* doc/invoke.texi: Document -mindirect-branch=thunk-extern is
incompatible with -fcf-protection=branch and
-fcheck-pointer-bounds.
2018-02-22 Steve Ellcey <sellcey@cavium.com>
PR target/83335
* config/aarch64/aarch64.c (aarch64_print_address_internal):
Change gcc_assert call to output_operand_lossage.
2018-02-22 Steve Ellcey <sellcey@cavium.com>
* doc/extend.texi (__builtin_extend_pointer): Document builtin.
2018-02-22 DJ Delorie <dj@redhat.com>
Sebastian Perta <sebastian.perta@renesas.com>
Oleg Endo <olegendo@gcc.gnu.org>
* config/rx/rx.c (rx_rtx_costs): New function.
(TARGET_RTX_COSTS): Override to use rx_rtx_costs.
2018-02-22 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/arm/t-multilib: Map Armv8-R to Armv7 multilibs.
2018-02-22 Martin Liska <mliska@suse.cz>
PR driver/83193
* common/config/arm/arm-common.c (arm_print_hint_for_cpu_option):
Add "native" as a possible value.
2018-02-22 Martin Liska <mliska@suse.cz>
PR driver/83193
* config/i386/i386.c (ix86_option_override_internal):
Add "native" as a possible value for -march and -mtune.
2018-02-22 Jakub Jelinek <jakub@redhat.com>
PR target/84502
* stor-layout.c (finalize_type_size): Propagate TYPE_EMPTY_P flag
to all type variants.
PR tree-optimization/84503
* gimple-ssa-store-merging.c (merged_store_group::merge_into): Compute
width as info->bitpos + info->bitsize - start.
(merged_store_group::merge_overlapping): Simplify width computation.
(check_no_overlap): New function.
(imm_store_chain_info::try_coalesce_bswap): Compute expected
start + width and last_order of the group, fail if check_no_overlap
fails.
(imm_store_chain_info::coalesce_immediate_stores): Don't merge info
to group if check_no_overlap fails.
2018-02-21 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/altivec.md: Delete contraint arguments to
define_expand, define_split, and define_peephole2, and in
define_insn_and_split if always unused.
* config/rs6000/darwin.md: Ditto.
* config/rs6000/dfp.md: Ditto.
* config/rs6000/rs6000.md: Ditto.
* config/rs6000/sync.md: Ditto.
* config/rs6000/vector.md: Ditto.
* config/rs6000/vsx.md: Ditto.
2018-02-21 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/altivec.md: Write output control strings as braced
blocks instead of double-quoted strings.
* config/rs6000/darwin.md: Ditto.
* config/rs6000/rs6000.md: Ditto.
* config/rs6000/vector.md: Ditto.
* config/rs6000/vsx.md: Ditto.
2018-02-21 Jason Merrill <jason@redhat.com>
PR c++/84314 - ICE with templates and fastcall attribute.
* attribs.c (build_type_attribute_qual_variant): Remove assert.
2018-02-21 Jan Hubicka <hubicka@ucw.cz>
* ipa-cp.c (determine_versionability): Fix comment typos.
2018-02-21 Jan Hubicka <hubicka@ucw.cz>
PR c/84229
* ipa-cp.c (determine_versionability): Do not version functions caling
va_arg_pack.
2018-02-21 Martin Liska <mliska@suse.cz>
PR driver/83193
* config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch):
Add "native" as a possible value.
* config/aarch64/aarch64.h (HAVE_LOCAL_CPU_DETECT): Define
the macro when native cpu detection is available.
2018-02-21 Martin Liska <mliska@suse.cz>
PR driver/83193
* common/config/arm/arm-common.c (arm_print_hint_for_arch_option):
Add "native" as a possible value.
* config/arm/arm.h (HAVE_LOCAL_CPU_DETECT): Define the macro
when native cpu detection is available.
2018-02-21 Jakub Jelinek <jakub@redhat.com>
Martin Sebor <msebor@redhat.com>
PR tree-optimization/84478
* gimple-fold.h (get_range_strlen): Add a bool argument defaulted to
false.
* gimple-fold.c (get_range_strlen): Make minlen const and assume it
can't be NULL. Change FUZZY from bool to int, for 1 add PHI/COND_EXPR
support which is conservatively correct, for 2 only stay conservative
for maxlen. Formatting and comment capitalization fixes. Add STRICT
argument to the 2 argument get_range_strlen, adjust 6 arg
get_range_strlen caller and clear minmaxlen[0] and [1] if it returned
false.
(get_maxval_strlen): Adjust 6 arg get_range_strlen caller.
(gimple_fold_builtin_strlen): Pass true as last argument to
get_range_strlen.
2018-02-20 Martin Sebor <msebor@redhat.com>
PR middle-end/84095
* gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range): New.
(builtin_memref::set_base_and_offset): Same. Handle inner references.
(builtin_memref::builtin_memref): Factor out parts into
set_base_and_offset and call it.
2018-02-20 Richard Sandiford <richard.sandiford@linaro.org>
PR middle-end/84406
* optabs-query.c (find_widening_optab_handler_and_mode): If from_mode
is a scalar_int_mode, assert that to_mode is a scalar_int_mode with
greater precision. If to_mode is a MODE_PARTIAL_INT, stop the
search at the associated MODE_INT.
2018-02-20 Jeff Law <law@redhat.com>
PR middle-end/82123
PR tree-optimization/81592
PR middle-end/79257
* gimple-ssa-sprintf.c (format_integer): Query EVRP range analyzer
for range data rather than using global data.
* gimple-ssa-sprintf.c (get_int_range): Query EVRP range analyzer for
range data rather than using global data.
* gimple-ssa-sprintf.c (get_int_range): Accept vr_values parameter
pass it to children as needed.
(struct directive::fmtresult): Similarly.
(struct directive::set_width): Similarly.
(struct directive::set_precision): Similarly.
(format_integer, format_directive, parse_directive): Similarly.
(format_none): Accept unnamed vr_values parameter.
(format_percent, format_floating, format_character): Similarly.
(format_string, format_plain): Similarly.
* gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call): Query
the EVRP range analyzer for range data rather than using global data.
* gimple-ssa-sprintf.c: Include alloc-pool.h, vr-values.h and
gimple-ssa-evrp-analyze.h
(class sprintf_dom_walker): Add after_dom_children member function.
Add evrp_range_analyzer member.
(sprintf_dom_walker::before_dom_children): Call into the EVRP
range analyzer as needed.
(sprintf_dom_walker::after_dom_children): New member function.
* gimple-ssa-evrp-analyze.c (evrp_range_analyzer::enter): Do nothing
if not optimizing.
(evrp_range_analyzer::record_ranges_from_stmt): Likewise.
(evrp_range_analyzer::pop_to_marker): Likewise.
2018-02-20 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/84419
* internal-fn.c (expand_call_mem_ref): Create a TARGET_MEM_REF
with the required type if its current type is compatible but
different.
2018-02-20 Jakub Jelinek <jakub@redhat.com>
PR middle-end/82004
* match.pd (pow(C,x) -> exp(log(C)*x)): Delay all folding until
after vectorization.
2018-02-20 Martin Liska <mliska@suse.cz>
PR driver/83193
* config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch): Print
possible values if we don't have a hint.
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.
2018-02-19 Jakub Jelinek <jakub@redhat.com>
PR target/84146
* reg-notes.def (REG_CALL_ARG_LOCATION): New reg note.
* insn-notes.def (NOTE_INSN_CALL_ARG_LOCATION): Remove.
* var-tracking.c (emit_note_insn_var_location): Remove all references
to NOTE_INSN_CALL_ARG_LOCATION.
(emit_notes_in_bb): Emit arguments as REG_CALL_ARG_LOCATION note on
the CALL_INSN rather than separate NOTE_INSN_CALL_ARG_LOCATION note.
Use copy_rtx_if_shared.
* dwarf2out.c (gen_subprogram_die): Use XEXP with 0 instead of
NOTE_VAR_LOCATION on ca_loc->call_arg_loc_note.
(dwarf2out_var_location): Remove handling of
NOTE_INSN_CALL_ARG_LOCATION, instead handle REG_CALL_ARG_LOCATION note
on call_insn.
* final.c (final_scan_insn): Remove all references to
NOTE_INSN_CALL_ARG_LOCATION.
(rest_of_clean_state): Likewise. Remove REG_CALL_ARG_LOCATION notes
before dumping final insns.
* except.c (emit_note_eh_region_end): Remove all references to
NOTE_INSN_CALL_ARG_LOCATION.
* config/alpha/alpha.c (alpha_pad_function_end): Likewise.
* config/c6x/c6x.c (c6x_gen_bundles): Likewise.
* config/arc/arc.c (hwloop_optimize): Likewise.
* config/arm/arm.c (create_fix_barrier): Likewise.
* config/s390/s390.c (s390_chunkify_start): Likewise.
* config/sh/sh.c (find_barrier): Likewise.
* config/i386/i386.c (rest_of_insert_endbranch,
ix86_seh_fixup_eh_fallthru): Likewise.
* config/xtensa/xtensa.c (hwloop_optimize): Likewise.
* config/iq2000/iq2000.c (final_prescan_insn): Likewise.
* config/frv/frv.c (frv_function_prologue): Likewise.
* emit-rtl.c (try_split): Likewise. Copy over REG_CALL_ARG_LOCATION
reg note.
(note_outside_basic_block_p): Remove all references to
NOTE_INSN_CALL_ARG_LOCATION.
* gengtype.c (adjust_field_rtx_def): Likewise.
* print-rtl.c (rtx_writer::print_rtx_operand_code_0, print_insn):
Likewise.
* jump.c (cleanup_barriers, delete_related_insns): Likewise.
* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
PR c++/84444
* builtins.c (builtin_mathfn_code): Don't check if CALL_EXPR_FN (t)
is ADDR_EXPR.
PR tree-optimization/84452
* tree-vect-patterns.c (vect_recog_pow_pattern): Don't call
expand_simd_clones if targetm.simd_clone.compute_vecsize_and_simdlen
is NULL.
2018-02-19 Martin Liska <mliska@suse.cz>
PR sanitizer/82183
* passes.def: Put pass_sancov_O0 before pass_lower_switch with -O0.
2018-02-19 Martin Liska <mliska@suse.cz>
Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/82491
* gimple-fold.c (get_base_constructor): Make earlier bail out
to prevent ubsan.
2018-02-19 Carl Love <cel@us.ibm.com>
* config/rs6000/rs6000-builtin.def: Change NEG macro expansions from
BU_ALTIVEC_A to BU_P8V_AV_1 and BU_ALTIVEC_OVERLOAD_1 to
BU_P8V_OVERLOAD_1.
* config/rs6000/rs6000-c.c: Change ALTIVEC_BUILTIN_VEC_NEG to
P8V_BUILTIN_VEC_NEG.
2018-02-19 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md (movdf): New define expand.
2018-02-19 Martin Liska <mliska@suse.cz>
PR other/80589
* doc/invoke.texi: Fix typo.
* params.def (PARAM_MAX_LOOP_HEADER_INSNS): Likewise.
2018-02-18 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
handle rs6000_single_float and rs6000_double_float specially for
e500 family CPUs.
2018-02-16 Jeff Law <law@redhat.com>
* config/rx/rx.c (add_pop_cfi_notes): New function.;
(pop_regs): Use it.
2018-02-16 Jakub Jelinek <jakub@redhat.com>
PR ipa/84425
* ipa-inline.c (inline_small_functions): Fix a typo.
2018-02-16 Nathan Sidwell <nathan@acm.org>
* doc/extend.texi (Backwards Compatibility): Americanize 'behaviour'.
2018-02-16 Carl Love <cel@us.ibm.com>
* config/rs6000/rs6000-builtin.def: Add BU_P8V_VSX_2 macro definition.
Change FLOAT2 expansions from BU_VSX_2 to BU_P8V_VSX_2 and
from BU_VSX_OVERLOAD_2 to BU_P8V_OVERLOAD_2.
* config/rs6000/rs6000-c.c: Changed macro VSX_BUILTIN_VEC_FLOAT2
expansion to P8V_BUILTIN_VEC_FLOAT2.
2018-02-16 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/70023
* lra-constraints.c (inherit_in_ebb): Take hard reg mode of
src_regno into account.
2018-02-16 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
VEXTRACT4B, VINSERT4B, VINSERT4B_DI and VEXTRACT4B.
* config/rs6000/rs6000.c: Remove case statements for
P9V_BUILTIN_VEXTRACT4B, P9V_BUILTIN_VEC_VEXTRACT4B,
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:
* doc/extend.texi: Remove vec_vextract4b, non ABI definitions for
vec_insert4b.
2018-02-16 Carl Love <cel@us.ibm.com>
* config/rs6000/altivec.h: Add builtin names vec_extract4b
vec_insert4b.
* config/rs6000/rs6000-builtin.def: Add INSERT4B and EXTRACT4B
definitions.
* config/rs6000/rs6000-c.c: Add the definitions for
P9V_BUILTIN_VEC_EXTRACT4B and P9V_BUILTIN_VEC_INSERT4B.
* config/rs6000/rs6000.c (altivec_expand_builtin): Add
P9V_BUILTIN_EXTRACT4B and P9V_BUILTIN_INSERT4B case statements.
* config/rs6000/vsx.md: Add define_insn extract4b. Add define_expand
definition for insert4b and define insn *insert3b_internal.
* doc/extend.texi: Add documentation for vec_extract4b.
2018-02-16 Nathan Sidwell <nathan@acm.org>
* doc/extend.texi (Backwards Compatibility): Mention friend
injection. Note for-scope is deprecated.
* doc/invoke.texi (-ffriend-injection): Deprecate.
2018-02-16 Segher Boessenkool <segher@kernel.crashing.org>
* combine.c (try_combine): When adjusting LOG_LINKS for the destination
that moved to I2, also allow destinations that are a paradoxical
subreg (instead of a normal reg).
2018-02-16 Oleg Endo <olegendo@gcc.gnu.org>
PR target/83831
* config/rx/rx.c (rx_fuse_in_memory_bitop): Convert shift operand
to QImode.
2018-02-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/84037
PR tree-optimization/84016
PR target/82862
* config/i386/i386.c (ix86_builtin_vectorization_cost):
Adjust vec_construct for the fact we need additional higher latency
128bit inserts for AVX256 and AVX512 vector builds.
(ix86_add_stmt_cost): Scale vector construction cost for
elementwise loads.
2018-02-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/84417
* tree-ssa.c (non_rewritable_mem_ref_base): Properly constrain
the MEM_REF offset when conversion to BIT_FIELD_REF is desired.
(non_rewritable_lvalue_p): Likewise, use poly-ints.
2018-02-16 Martin Liska <mliska@suse.cz>
PR sanitizer/84307
* internal-fn.def (ASAN_CHECK): Set proper flags.
(ASAN_MARK): Likewise.
2018-02-16 Julia Koval <julia.koval@intel.com>
* config/i386/i386.c (ix86_option_override_internal): Remove PTA_CLWB
from PTA_CANNONLAKE.
2018-02-16 Jakub Jelinek <jakub@redhat.com>
PR target/84272
* config/aarch64/cortex-a57-fma-steering.c (fma_forest::merge_forest):
Use ++iter rather than iter++ for std::list iterators.
(func_fma_steering::dfs): Likewise. Don't delete nodes right away,
defer deleting them until all nodes in the forest are processed. Do
free even leaf nodes. Change to_process into auto_vec.
PR bootstrap/84405
* system.h (BROKEN_VALUE_INITIALIZATION): Define for GCC < 4.3.
* vec.h (vec_default_construct): Use memset instead of placement new
if BROKEN_VALUE_INITIALIZATION is defined.
* hash-table.h (hash_table<Descriptor, Allocator>::empty_slow): Use
memset instead of value initialization if BROKEN_VALUE_INITIALIZATION
is defined.
PR rtl-optimization/83723
* lra-int.h (lra_substitute_pseudo): Add DEBUG_P argument.
* lra.c (lra_substitute_pseudo): Likewise. If true, use
gen_rtx_raw_SUBREG instead of gen_rtx_SUBREG. Pass DEBUG_P to
recursive calls.
(lra_substitute_pseudo_within_insn): Adjust lra_substitute_pseudo
callers.
* lra-constraints.c (inherit_reload_reg, split_reg): Likewise.
2018-02-16 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/81443
* rtlanal.c (num_sign_bit_copies1) <SUBREG>: Do not propagate results
from inner REGs to paradoxical SUBREGs.
2018-02-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/84399
* graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p):
For operands we can analyze at their definition make sure we can
analyze them at each use as well.
2018-02-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/84190
* tree-ssa.c (non_rewritable_mem_ref_base): Do not touch
volatile accesses if the decl isn't volatile.
2018-02-15 Jason Merrill <jason@redhat.com>
PR c++/84314 - ICE with templates and fastcall attribute.
* attribs.c (build_type_attribute_qual_variant): Don't clobber
TYPE_CANONICAL on an existing type.
2018-02-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/84383
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Don't look at
dstoff nor call operand_equal_p if dstbase is NULL.
PR tree-optimization/84334
* match.pd ((A +- CST1) +- CST2 -> A + CST3): If A is
also a CONSTANT_CLASS_P, punt.
2018-02-14 Jim Wilson <jimw@sifive.com>
* config/riscv/riscv.c (riscv_first_stack_step): Move locals after
first SMALL_OPERAND check. New local min_second_step. Move assert
to where locals are set. Add TARGET_RVC support.
* config/riscv/riscv.h (C_SxSP_BITS, SWSP_REACH, SDSP_REACH): New.
2018-02-14 Indu Bhagat <indu.bhagat@oracle.com>
* doc/invoke.texi: Correct -Wformat-overflow code sample.
2018-02-14 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83698
* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For
arrays constrain the offset range to their bounds.
(builtin_access::strcat_overlap): Adjust the bounds of overlap offset.
(builtin_access::overlap): Avoid setting the size of overlap if it's
already been set.
(maybe_diag_overlap): Also consider arrays when deciding what values
of offsets to include in diagnostics.
2018-02-14 Martin Sebor <msebor@redhat.com>
PR c/84108
* attribs.c (diag_attr_exclusions): Consider the exclusion(s)
that correspond to the kind of a declaration.
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.
2018-02-14 Kelvin Nilsen <kelvin@gcc.gnu.org>
* config/rs6000/rs6000.c (rs6000_option_override_internal): Issue
warning message if user requests -maltivec=be.
* doc/invoke.texi: Document deprecation of -maltivec=be.
2018-02-14 Will Schmidt <will_schmidt@vnet.ibm.com>
PR target/84220
* config/rs6000/rs6000-c.c: Update definitions for
ALTIVEC_BUILTIN_VEC_SLD, ALTIVEC_BUILTIN_VEC_SLDW,
VEC_XXSLDWI and ALTIVEC_BUILTIN_VEC_XXPERMDI builtins.
2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
PR target/84239
* config/i386/cetintrin.h: Remove _rdssp[d|q] and
add _get_ssp intrinsics. Remove argument from
__builtin_ia32_rdssp[d|q].
* config/i386/i386-builtin-types.def: Add UINT_FTYPE_VOID.
* config/i386/i386-builtin.def: Remove argument from
__builtin_ia32_rdssp[d|q].
* config/i386/i386.c: Use UINT_FTYPE_VOID. Use
ix86_expand_special_args_builtin for _rdssp[d|q].
* config/i386/i386.md: Remove argument from rdssp[si|di] insn.
Clear register before usage.
* doc/extend.texi: Remove argument from __builtin_ia32_rdssp[d|q].
Add documentation for new _get_ssp and _inc_ssp intrinsics.
2018-02-14 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/84357
* tree-data-ref.c (object_address_invariant_in_loop_p): Check
operand 1 of an ARRAY_REF too.
2018-02-14 Oleg Endo <olegendo@gcc.gnu.org>
PR target/83831
* config/rx/rx-protos.h (rx_reg_dead_or_unused_after_insn,
rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New
declarations.
(set_of_reg): New struct.
(rx_find_set_of_reg, rx_find_use_of_reg): New functions.
* config/rx/rx.c (rx_reg_dead_or_unused_after_insn,
rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New
functions.
* config/rx/rx.md (andsi3, iorsi3, xorsi3): Convert to insn_and_split.
Split into bitclr, bitset, bitinvert patterns if appropriate.
(*bitset, *bitinvert, *bitclr): Convert to named insn_and_split and
use rx_fuse_in_memory_bitop.
(*bitset_in_memory, *bitinvert_in_memory, *bitclr_in_memory): Convert
to named insn, correct maximum insn length.
2018-02-14 Jozef Lawrynowicz <jozefl.gcc@gmail.com>
PR target/79242
* machmode.def: Define a complex mode for PARTIAL_INT.
* genmodes.c (complex_class): Return MODE_COMPLEX_INT for
MODE_PARTIAL_INT.
* doc/rtl.texi: Document CSPImode.
* config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode
handling.
(msp430_hard_regno_nregs_with_padding): Likewise.
2018-02-13 Peter Bergner <bergner@vnet.ibm.com>
PR target/84279
* config/rs6000/rs6000.c (mem_operand_gpr): Disallow altivec addresses.
2018-02-13 Segher Boessenkool <segher@kernel.crashing.org>
PR rtl-optimization/84169
* combine.c (try_combine): New variable split_i2i3. Set it to true if
we generated a parallel as new i3 and we split that to new i2 and i3
instructions. Handle split_i2i3 similar to swap_i2i3: scan the
LOG_LINKs of i3 to see which of those need to link to i2 now. Link
those to i2, not i1. Partially rewrite this scan code.
2018-02-13 Jakub Jelinek <jakub@redhat.com>
PR c/82210
* stor-layout.c (place_field): For variable length fields, adjust
offset_align afterwards not just based on the field's alignment,
but also on the size.
PR middle-end/84309
* match.pd (pow(C,x) -> exp(log(C)*x)): Use exp2s and log2s instead
of exps and logs in the use_exp2 case.
2018-02-13 Jeff Law <law@redhat.com>
* config/rl/rl78.c (rl78_attribute_table): Fix terminator and
entry for "vector".
* config/rl78/rl78.c (rl78_handle_func_attribute): Mark
ARGS as unused.
2018-02-13 Alexandre Oliva <aoliva@redhat.com>
PR debug/84342
PR debug/84319
* common.opt (gas-loc-support, gas-locview-support): New.
(ginline-points, ginternal-reset-location-views): New.
* doc/invoke.texi: Document them. Use @itemx where intended.
(gvariable-location-views): Adjust.
* target.def (reset_location_view): New.
* doc/tm.texi.in (DWARF2_ASM_VIEW_DEBUG_INFO): New.
(TARGET_RESET_LOCATION_VIEW): New.
* doc/tm.texi: Rebuilt.
* dwarf2out.c (dwarf2out_default_as_loc_support): New.
(dwarf2out_default_as_locview_support): New.
(output_asm_line_debug_info): Use option variables.
(dwarf2out_maybe_output_loclist_view_pair): Likewise.
(output_loc_list): Likewise.
(add_high_low_attributes): Check option variables.
Don't output entry view attribute in strict mode.
(gen_inlined_subroutine_die): Check option variables.
(dwarf2out_inline_entry): Likewise.
(init_sections_and_labels): Likewise.
(dwarf2out_early_finish): Likewise.
(maybe_reset_location_view): New, from...
(dwarf2out_var_location): ... here. Call it.
* debug.h (dwarf2out_default_as_loc_support): Declare.
(dwarf2out_default_as_locview_support): Declare.
* hooks.c (hook_int_rtx_insn_0): New.
* hooks.h (hook_int_rtx_insn_0): Declare.
* toplev.c (process_options): Take -gas-loc-support and
-gas-locview-support from dwarf2out. Enable
-gvariable-location-views by default only with locview
assembler support. Enable -ginternal-reset-location-views by
default only if the target defines the corresponding hook.
Enable -ginline-points by default if location views are
enabled; force it disabled if statement frontiers are
disabled.
* tree-inline.c (expand_call_inline): Check option variables.
* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
2018-02-13 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/84321
* tree-vrp.c (intersect_range_with_nonzero_bits): Fix VR_ANTI_RANGE
handling. Also check whether the anti-range contains any values
that satisfy the mask; switch to a VR_RANGE if not.
2018-02-13 Paolo Bonzini <bonzini@gnu.org>
PR sanitizer/84340
* internal-fn.def (ASAN_CHECK, ASAN_MARK): Revert changes to fnspec.
2018-02-13 Martin Jambor <mjambor@suse.cz>
PR c++/83990
* ipa-param-manipulation.c (ipa_modify_call_arguments): Use location
of call statements, also set location of a load to a temporary.
2018-02-13 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.c (add_vector_labels): New function.
* config/rl78/rl78.c (rl78_handle_vector_attribute): New function.
* config/rl78/rl78.c (rl78_start_function): Call add_vector_labels.
* config/rl78/rl78.c (rl78_handle_func_attribute): Removed the assert
which checks that no arguments are passed.
* config/rl78/rl78.c (rl78_attribute_table): Add "vector" attribute.
* doc/extend.texi: Documentation for the new attribute.
2018-02-13 Andreas Schwab <schwab@suse.de>
* config/riscv/linux.h (CPP_SPEC): Define.
2018-02-13 Jakub Jelinek <jakub@redhat.com>
PR target/84335
* config/i386/i386.c (ix86_init_mmx_sse_builtins): Pass
OPTION_MASK_ISA_AES | OPTION_MASK_ISA_SSE2 instead of
OPTION_MASK_ISA_AES as first argument to def_builtin_const
for AES builtins. Pass OPTION_MASK_ISA_PCLMUL | OPTION_MASK_ISA_SSE2
instead of OPTION_MASK_ISA_PCLMUL as first argument to
def_builtin_const for __builtin_ia32_pclmulqdq128 builtin.
* config/i386/wmmintrin.h: If __SSE2__ is not defined, enable it
temporarily for AES and PCLMUL builtins.
PR tree-optimization/84339
* gimple-fold.c (get_range_strlen): Set *FLEXP to true when handling
ARRAY_REF where first operand is array_at_struct_end_p COMPONENT_REF.
Formatting fixes.
PR middle-end/84309
* match.pd (pow(C,x) -> exp(log(C)*x)): Optimize instead into
exp2(log2(C)*x) if C is a power of 2 and c99 runtime is available.
* generic-match-head.c (canonicalize_math_after_vectorization_p): New
inline function.
* gimple-match-head.c (canonicalize_math_after_vectorization_p): New
inline function.
* omp-simd-clone.h: New file.
* omp-simd-clone.c: Include omp-simd-clone.h.
(expand_simd_clones): No longer static.
* tree-vect-patterns.c: Include fold-const-call.h, attribs.h,
cgraph.h and omp-simd-clone.h.
(vect_recog_pow_pattern): Optimize pow(C,x) to exp(log(C)*x).
(vect_recog_widen_shift_pattern): Formatting fix.
(vect_pattern_recog_1): Don't check optab for calls.
PR target/84336
* config/i386/sse.md (<avx512>_vpermi2var<mode>3_mask): Force
operands[2] into a REG before using gen_lowpart on it.
2018-02-12 Jeff Law <law@redhat.com>
PR target/83760
* config/sh/sh.c (find_barrier): Consider a sibling call
a barrier as well.
* cse.c (try_back_substitute_reg): Move any REG_ARGS_SIZE note when
successfully back substituting a reg.
2018-02-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/84037
* tree-vect-slp.c (vect_analyze_slp_cost): Add visited
parameter, move visited init to caller.
(vect_slp_analyze_operations): Separate cost from validity
check, initialize visited once for all instances.
(vect_schedule_slp): Analyze map to CSE vectorized nodes once
for all instances.
* tree-vect-stmts.c (vect_model_simple_cost): Make early
out an assert.
(vect_model_promotion_demotion_cost): Likewise.
(vectorizable_bswap): Guard cost modeling with !slp_node
instead of !PURE_SLP_STMT to avoid double-counting on hybrid
SLP stmts.
(vectorizable_call): Likewise.
(vectorizable_conversion): Likewise.
(vectorizable_assignment): Likewise.
(vectorizable_shift): Likewise.
(vectorizable_operation): Likewise.
(vectorizable_store): Likewise.
(vectorizable_load): Likewise.
(vectorizable_condition): Likewise.
(vectorizable_comparison): Likewise.
2018-02-12 Paolo Bonzini <bonzini@gnu.org>
PR sanitizer/84307
* internal-fn.def (ASAN_CHECK): Fix fnspec to account for return value.
(ASAN_MARK): Fix fnspec to account for return value, change pointer
argument from 'R' to 'W' so that the pointed-to datum is clobbered.
2018-02-08 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83665
* params.def (inline-min-speedup): Increase from 8 to 15.
(max-inline-insns-auto): Decrease from 40 to 30.
* ipa-split.c (consider_split): Add some buffer for function to
be considered inlining candidate.
* invoke.texi (max-inline-insns-auto, inline-min-speedup): UPdate
default values.
2018-02-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/84037
* tree-vect-slp.c (vect_build_slp_tree_2): Try swapping the
matched stmts if we cannot swap the non-matched ones.
2018-02-12 Olga Makhotina <olga.makhotina@intel.com>
* config/i386/avx512fintrin.h (_mm_mask_scalef_round_sd,
_mm_maskz_scalef_round_sd, _mm_mask_scalef_round_ss,
_mm_maskz_scalef_round_ss): New intrinsics.
(__builtin_ia32_scalefsd_round, __builtin_ia32_scalefss_round): Fix.
* config/i386/i386-builtin.def (__builtin_ia32_scalefsd_round,
__builtin_ia32_scalefss_round): Remove.
(__builtin_ia32_scalefsd_mask_round,
__builtin_ia32_scalefss_mask_round): New intrinsics.
* config/i386/sse.md (vmscalef<mode><round_name>): Renamed to ...
(vmscalef<mode><mask_scalar_name><round_scalar_name>): ... this.
((match_operand:VF_128 2 "<round_nimm_predicate>"
"<round_constraint>")): Changed to ...
((match_operand:VF_128 2 "<round_scalar_nimm_predicate>"
"<round_scalar_constraint>")): ... this.
("vscalef<ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|
%0, %1, %2<round_op3>}"): Changed to ...
("vscalef<ssescalarmodesuffix>\t{<round_scalar_mask_op3>%2, %1,
%0<mask_scalar_operand3>|%0<mask_scalar_operand3>, %1,
%2<round_scalar_mask_op3>}"): ... this.
* config/i386/subst.md (round_scalar_nimm_predicate): New.
2018-02-12 Olga Makhotina <olga.makhotina@intel.com>
* config/i386/avx512fintrin.h (_mm_mask_sqrt_round_sd)
(_mm_maskz_sqrt_round_sd, _mm_mask_sqrt_round_ss)
(_mm_maskz_sqrt_round_ss): New intrinsics.
(__builtin_ia32_sqrtsd_round, __builtin_ia32_sqrtss_round): Remove.
(__builtin_ia32_sqrtsd_mask_round)
(__builtin_ia32_sqrtss_mask_round): New builtins.
* config/i386/i386-builtin.def (__builtin_ia32_sqrtsd_round)
(__builtin_ia32_sqrtss_round): Remove.
(__builtin_ia32_sqrtsd_mask_round)
(__builtin_ia32_sqrtss_mask_round): New builtins.
* config/i386/sse.md (vmsqrt<mode>2<round_name>): Renamed to ...
(vmsqrt<mode>2<mask_scalar_name><round_scalar_name>): ... this.
((match_operand:VF_128 1 "vector_operand"
"xBm,<round_constraint>")): Changed to ...
((match_operand:VF_128 1 "vector_operand"
"xBm,<round_scalar_constraint>")): ... this.
(vsqrt<ssescalarmodesuffix>\t{<round_op3>%1, %2, %0|
%0, %2, %<iptr>1<round_op3>}): Changed to ...
(vsqrt<ssescalarmodesuffix>\t{<round_scalar_mask_op3>%1, %2,
%0<mask_scalar_operand3>|%0<mask_scalar_operand3>, %2,
%<iptr>1<round_scalar_mask_op3>}): ... this.
((set_attr "prefix" "<round_prefix>")): Changed to ...
((set_attr "prefix" "<round_scalar_prefix>")): ... this.
2018-02-11 Steven Munroe <munroesj@gcc.gnu.org>
PR target/84266
* config/rs6000/mmintrin.h (_mm_cmpeq_pi32 [_ARCH_PWR9]):
Cast vec_cmpeq result to correct type.
* config/rs6000/mmintrin.h (_mm_cmpgt_pi32 [_ARCH_PWR9]):
Cast vec_cmpgt result to correct type.
2018-02-11 Alexandre Oliva <aoliva@redhat.com>
* final.c (final_scan_insn_1): Renamed from...
(final_scan_insn): ... this. New wrapper, to recover
seen from the outermost call in recursive ones.
* config/sparc/sparc.c (output_return): Drop seen from call.
(output_sibcall): Likewise.
* config/visium/visium.c (output_branch): Likewise.
2018-02-10 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.c (hppa_profile_hook): Mark SYMBOL_REF for _mcount as
function label.
2018-02-10 Alan Modra <amodra@gmail.com>
PR target/84300
* config/rs6000/rs6000.md (split_stack_return): Remove (use ..).
Specify LR as an input.
2018-02-10 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/83987
* omp-low.c (maybe_remove_omp_member_access_dummy_vars,
remove_member_access_dummy_vars): New functions.
(lower_omp_for, lower_omp_taskreg, lower_omp_target,
lower_omp_1, execute_lower_omp): Use them.
PR rtl-optimization/84308
* shrink-wrap.c (spread_components): Release todo vector.
2018-02-09 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/57193
* ira-color.c (struct allocno_color_data): Add member
conflict_allocno_hard_prefs.
(update_conflict_allocno_hard_prefs): New.
(bucket_allocno_compare_func): Add a preference based on
conflict_allocno_hard_prefs.
(push_allocno_to_stack): Update conflict_allocno_hard_prefs.
(color_allocnos): Remove a dead code. Initiate
conflict_allocno_hard_prefs. Call update_costs_from_prefs.
2018-02-09 Jakub Jelinek <jakub@redhat.com>
PR target/84226
* config/rs6000/vsx.md (p9_xxbrq_v16qi): Change input operand
constraint from =wa to wa. Avoid a subreg on the output operand,
instead use a pseudo and subreg it in a move.
(p9_xxbrd_<mode>): Changed to ...
(p9_xxbrd_v2di): ... this insn, without VSX_D iterator.
(p9_xxbrd_v2df): New expander.
(p9_xxbrw_<mode>): Changed to ...
(p9_xxbrw_v4si): ... this insn, without VSX_W iterator.
(p9_xxbrw_v4sf): New expander.
2018-02-09 Sebastian Perta <sebastian.perta@renesas.com>
* config/rx/rx.md (movsicc): Update expander to be matched by GCC.
2018-02-09 Peter Bergner <bergner@vnet.ibm.com>
PR target/83926
* config/rs6000/vsx.md (vsx_mul_v2di): Handle generating a 64-bit
multiply in 32-bit mode.
(vsx_div_v2di): Handle generating a 64-bit signed divide in 32-bit mode.
(vsx_udiv_v2di): Handle generating a 64-bit unsigned divide in 32-bit
mode.
2018-02-09 Sebastian Perta <sebastian.perta@renesas.com>
* config/rx/constraints.md (CALL_OP_SYMBOL_REF): Added new constraint
to allow or block "symbol_ref" depending on the value of TARGET_JSR.
* config/rx/rx.md (call_internal): Use CALL_OP_SYMBOL_REF.
* config/rx/rx.md (call_value_internal): Use CALL_OP_SYMBOL_REF.
2018-02-09 Pierre-Marie de Rodat <derodat@adacore.com>
PR lto/84213
* dwarf2out.c (is_trivial_indirect_ref): New function.
(dwarf2out_late_global_decl): Do not generate a location
attribute for variables that have a non-trivial DECL_VALUE_EXPR
and that are not defined in the current unit.
2018-02-09 Eric Botcazou <ebotcazou@adacore.com>
* optabs.c (prepare_cmp_insn): Try harder to emit a direct comparison
instead of a libcall for UNORDERED.
2018-02-09 Tamar Christina <tamar.christina@arm.com>
PR target/82641
* config/arm/arm-c.c (arm_cpu_builtins): Un-define __ARM_FEATURE_LDREX,
__ARM_ARCH_PROFILE, __ARM_ARCH_ISA_THUMB, __ARM_FP and __ARM_NEON_FP.
2018-02-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/PR84295
* config/s390/s390.c (s390_set_current_function): Invoke
s390_indirect_branch_settings also if fndecl didn't change.
2018-02-09 Alexandre Oliva <aoliva@redhat.com>
* config/rs6000/rs6000.md (blockage): Set length to zero.
2018-02-09 Eric Botcazou <ebotcazou@adacore.com>
* expr.c (optimize_bitfield_assignment_op): Remove obsolete assertion.
2018-02-09 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/84285
* gcc.c (STATIC_LIBASAN_LIBS, STATIC_LIBTSAN_LIBS,
STATIC_LIBLSAN_LIBS, STATIC_LIBUBSAN_LIBS): Handle -static like
-static-lib*san.
PR debug/84252
* var-tracking.c (vt_add_function_parameter): Punt for non-onepart
PARALLEL incoming that failed vt_get_decl_and_offset check.
PR middle-end/84237
* output.h (bss_initializer_p): Add NAMED argument, defaulted to false.
* varasm.c (bss_initializer_p): Add NAMED argument, if true, ignore
TREE_READONLY bit.
(get_variable_section): For decls in named .bss* sections pass true as
second argument to bss_initializer_p.
2018-02-09 Marek Polacek <polacek@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/83659
* fold-const.c (fold_indirect_ref_1): Use VECTOR_TYPE_P macro.
Formatting fixes. Verify first that tree_fits_poly_int64_p (op01).
Sync some changes from cxx_fold_indirect_ref.
2018-02-09 Alexandre Oliva <aoliva@redhat.com>
* cfgexpand.c (expand_gimple_basic_block): Handle inline entry
markers.
* dwarf2out.c (dwarf2_debug_hooks): Enable inline_entry hook.
(BLOCK_INLINE_ENTRY_LABEL): New.
(dwarf2out_var_location): Disregard inline entry markers.
(inline_entry_data): New struct.
(inline_entry_data_hasher): New hashtable type.
(inline_entry_data_hasher::hash): New.
(inline_entry_data_hasher::equal): New.
(inline_entry_data_table): New variable.
(add_high_low_attributes): Add DW_AT_entry_pc and
DW_AT_GNU_entry_view attributes if a pending entry is found
in inline_entry_data_table. Add old entry_pc attribute only
if debug nonbinding markers are disabled.
(gen_inlined_subroutine_die): Set BLOCK_DIE if nonbinding
markers are enabled.
(block_within_block_p, dwarf2out_inline_entry): New.
(dwarf2out_finish): Check that no entries remained in
inline_entry_data_table.
* final.c (reemit_insn_block_notes): Handle inline entry notes.
(final_scan_insn, notice_source_line): Likewise.
(rest_of_clean_state): Skip inline entry markers.
* gimple-pretty-print.c (dump_gimple_debug): Handle inline entry
markers.
* gimple.c (gimple_build_debug_inline_entry): New.
* gimple.h (enum gimple_debug_subcode): Add
GIMPLE_DEBUG_INLINE_ENTRY.
(gimple_build_debug_inline_entry): Declare.
(gimple_debug_inline_entry_p): New.
(gimple_debug_nonbind_marker_p): Adjust.
* insn-notes.def (INLINE_ENTRY): New.
* print-rtl.c (rtx_writer::print_rtx_operand_code_0): Handle
inline entry marker notes.
(print_insn): Likewise.
* rtl.h (NOTE_MARKER_P): Add INLINE_ENTRY support.
(INSN_DEBUG_MARKER_KIND): Likewise.
(GEN_RTX_DEBUG_MARKER_INLINE_ENTRY_PAT): New.
* tree-inline.c (expand_call_inline): Build and insert
debug_inline_entry stmt.
* tree-ssa-live.c (remove_unused_scope_block_p): Preserve
inline entry blocks early, if nonbind markers are enabled.
(dump_scope_block): Dump fragment info.
* var-tracking.c (reemit_marker_as_note): Handle inline entry note.
* doc/gimple.texi (gimple_debug_inline_entry_p): New.
(gimple_build_debug_inline_entry): New.
* doc/invoke.texi (gstatement-frontiers, gno-statement-frontiers):
Enable/disable inline entry points too.
* doc/rtl.texi (NOTE_INSN_INLINE_ENTRY): New.
(DEBUG_INSN): Describe inline entry markers.
* common.opt (gvariable-location-views): New.
(gvariable-location-views=incompat5): New.
* config.in: Rebuilt.
* configure: Rebuilt.
* configure.ac: Test assembler for view support.
* dwarf2asm.c (dw2_asm_output_symname_uleb128): New.
* dwarf2asm.h (dw2_asm_output_symname_uleb128): Declare.
* dwarf2out.c (var_loc_view): New typedef.
(struct dw_loc_list_struct): Add vl_symbol, vbegin, vend.
(dwarf2out_locviews_in_attribute): New.
(dwarf2out_locviews_in_loclist): New.
(dw_val_equal_p): Compare val_view_list of dw_val_class_view_lists.
(enum dw_line_info_opcode): Add LI_adv_address.
(struct dw_line_info_table): Add view.
(RESET_NEXT_VIEW, RESETTING_VIEW_P): New macros.
(DWARF2_ASM_VIEW_DEBUG_INFO): Define default.
(zero_view_p): New variable.
(ZERO_VIEW_P): New macro.
(output_asm_line_debug_info): New.
(struct var_loc_node): Add view.
(add_AT_view_list, AT_loc_list): New.
(add_var_loc_to_decl): Add view param. Test it against last.
(new_loc_list): Add view params. Record them.
(AT_loc_list_ptr): Handle loc and view lists.
(view_list_to_loc_list_val_node): New.
(print_dw_val): Handle dw_val_class_view_list.
(size_of_die): Likewise.
(value_format): Likewise.
(loc_list_has_views): New.
(gen_llsym): Set vl_symbol too.
(maybe_gen_llsym, skip_loc_list_entry): New.
(dwarf2out_maybe_output_loclist_view_pair): New.
(output_loc_list): Output view list or entries too.
(output_view_list_offset): New.
(output_die): Handle dw_val_class_view_list.
(output_dwarf_version): New.
(output_compilation_unit_header): Use it.
(output_skeleton_debug_sections): Likewise.
(output_rnglists, output_line_info): Likewise.
(output_pubnames, output_aranges): Update version comments.
(output_one_line_info_table): Output view numbers in asm comments.
(dw_loc_list): Determine current endview, pass it to new_loc_list.
Call maybe_gen_llsym.
(loc_list_from_tree_1): Adjust.
(add_AT_location_description): Create view list attribute if
needed, check it's absent otherwise.
(convert_cfa_to_fb_loc_list): Adjust.
(maybe_emit_file): Call output_asm_line_debug_info for test.
(dwarf2out_var_location): Reset views as needed. Precompute
add_var_loc_to_decl args. Call get_attr_min_length only if we have the
attribute. Set view.
(new_line_info_table): Reset next view.
(set_cur_line_info_table): Call output_asm_line_debug_info for test.
(dwarf2out_source_line): Likewise. Output view resets and labels to
the assembler, or select appropriate line info opcodes.
(prune_unused_types_walk_attribs): Handle dw_val_class_view_list.
(optimize_string_length): Catch it. Adjust.
(resolve_addr): Copy vl_symbol along with ll_symbol. Handle
dw_val_class_view_list, and remove it if no longer needed.
(hash_loc_list): Hash view numbers.
(loc_list_hasher::equal): Compare them.
(optimize_location_lists): Check whether a view list symbol is
needed, and whether the locview attribute is present, and
whether they match. Remove the locview attribute if no longer
needed.
(index_location_lists): Call skip_loc_list_entry for test.
(dwarf2out_finish): Call output_asm_line_debug_info for test.
Use output_dwarf_version.
* dwarf2out.h (enum dw_val_class): Add dw_val_class_view_list.
(struct dw_val_node): Add val_view_list.
* final.c (SEEN_NEXT_VIEW): New.
(set_next_view_needed): New.
(clear_next_view_needed): New.
(maybe_output_next_view): New.
(final_start_function): Rename to...
(final_start_function_1): ... this. Take pointer to FIRST,
add SEEN parameter. Emit param bindings in the initial view.
(final_start_function): Reintroduce SEEN-less interface.
(final): Rename to...
(final_1): ... this. Take SEEN parameter. Output final pending
next view at the end.
(final): Reintroduce seen-less interface.
(final_scan_insn): Output pending next view before switching
sections or ending a block. Mark the next view as needed when
outputting variable locations. Notify debug backend of section
changes, and of location view changes.
(rest_of_handle_final): Adjust.
* toplev.c (process_options): Autodetect value for debug variable
location views option. Warn on incompat5 without -gdwarf-5.
* doc/invoke.texi (gvariable-location-views): New.
(gvariable-location-views=incompat5): New.
(gno-variable-location-views): New.
2018-02-08 David Malcolm <dmalcolm@redhat.com>
PR tree-optimization/84136
* tree-cfg.c (find_taken_edge_computed_goto): Remove assertion
that the result of find_edge is non-NULL.
2018-02-08 Sergey Shalnov <sergey.shalnov@intel.com>
PR target/83008
* config/i386/x86-tune-costs.h (skylake_cost): Fix cost of
storing integer register in SImode. Fix cost of 256 and 512
byte aligned SSE register store.
2018-02-08 Sergey Shalnov <sergey.shalnov@intel.com>
* config/i386/i386.c (ix86_multiplication_cost): Fix
multiplication cost for TARGET_AVX512DQ.
2018-02-08 Marek Polacek <polacek@redhat.com>
PR tree-optimization/84238
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Verify the result of
get_range_strlen.
2018-02-08 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/84265
* tree-vect-stmts.c (vectorizable_store): Don't treat
VMAT_CONTIGUOUS accesses as grouped.
(vectorizable_load): Likewise.
2018-02-08 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/81635
* wide-int.h (wi::round_down_for_mask, wi::round_up_for_mask): Declare.
* wide-int.cc (wi::round_down_for_mask, wi::round_up_for_mask)
(test_round_for_mask): New functions.
(wide_int_cc_tests): Call test_round_for_mask.
* tree-vrp.h (intersect_range_with_nonzero_bits): Declare.
* tree-vrp.c (intersect_range_with_nonzero_bits): New function.
* tree-data-ref.c (split_constant_offset_1): Use it to refine the
range returned by get_range_info.
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.
2018-02-08 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/s390-opts.h (enum indirect_branch): Define.
* config/s390/s390-protos.h (s390_return_addr_from_memory)
(s390_indirect_branch_via_thunk)
(s390_indirect_branch_via_inline_thunk): Add function prototypes.
(enum s390_indirect_branch_type): Define.
* config/s390/s390.c (struct s390_frame_layout, struct
machine_function): Remove.
(indirect_branch_prez10thunk_mask, indirect_branch_z10thunk_mask)
(indirect_branch_table_label_no, indirect_branch_table_name):
Define variables.
(INDIRECT_BRANCH_NUM_OPTIONS): Define macro.
(enum s390_indirect_branch_option): Define.
(s390_return_addr_from_memory): New function.
(s390_handle_string_attribute): New function.
(s390_attribute_table): Add new attribute handler.
(s390_execute_label): Handle UNSPEC_EXECUTE_JUMP patterns.
(s390_indirect_branch_via_thunk): New function.
(s390_indirect_branch_via_inline_thunk): New function.
(s390_function_ok_for_sibcall): When jumping via thunk disallow
sibling call optimization for non z10 compiles.
(s390_emit_call): Force indirect branch target to be a single
register. Add r1 clobber for non-z10 compiles.
(s390_emit_epilogue): Emit return jump via return_use expander.
(s390_reorg): Handle JUMP_INSNs as execute targets.
(s390_option_override_internal): Perform validity checks for the
new command line options.
(s390_indirect_branch_attrvalue): New function.
(s390_indirect_branch_settings): New function.
(s390_set_current_function): Invoke s390_indirect_branch_settings.
(s390_output_indirect_thunk_function): New function.
(s390_code_end): Implement target hook.
(s390_case_values_threshold): Implement target hook.
(TARGET_ASM_CODE_END, TARGET_CASE_VALUES_THRESHOLD): Define target
macros.
* config/s390/s390.h (struct s390_frame_layout)
(struct machine_function): Move here from s390.c.
(TARGET_INDIRECT_BRANCH_NOBP_RET)
(TARGET_INDIRECT_BRANCH_NOBP_JUMP)
(TARGET_INDIRECT_BRANCH_NOBP_JUMP_THUNK)
(TARGET_INDIRECT_BRANCH_NOBP_JUMP_INLINE_THUNK)
(TARGET_INDIRECT_BRANCH_NOBP_CALL)
(TARGET_DEFAULT_INDIRECT_BRANCH_TABLE)
(TARGET_INDIRECT_BRANCH_THUNK_NAME_EXRL)
(TARGET_INDIRECT_BRANCH_THUNK_NAME_EX)
(TARGET_INDIRECT_BRANCH_TABLE): Define macros.
* config/s390/s390.md (UNSPEC_EXECUTE_JUMP)
(INDIRECT_BRANCH_THUNK_REGNUM): Define constants.
(mnemonic attribute): Add values which aren't recognized
automatically.
("*cjump_long", "*icjump_long", "*basr", "*basr_r"): Disable
pattern for branch conversion. Fix mnemonic attribute.
("*c<code>", "*sibcall_br", "*sibcall_value_br", "*return"): Emit
indirect branch via thunk if requested.
("indirect_jump", "<code>"): Expand patterns for branch conversion.
("*indirect_jump"): Disable for branch conversion using out of
line thunks.
("indirect_jump_via_thunk<mode>_z10")
("indirect_jump_via_thunk<mode>")
("indirect_jump_via_inlinethunk<mode>_z10")
("indirect_jump_via_inlinethunk<mode>", "*casesi_jump")
("casesi_jump_via_thunk<mode>_z10", "casesi_jump_via_thunk<mode>")
("casesi_jump_via_inlinethunk<mode>_z10")
("casesi_jump_via_inlinethunk<mode>", "*basr_via_thunk<mode>_z10")
("*basr_via_thunk<mode>", "*basr_r_via_thunk_z10")
("*basr_r_via_thunk", "return<mode>_prez10"): New pattern.
("*indirect2_jump"): Disable for branch conversion.
("casesi_jump"): Turn into expander and expand patterns for branch
conversion.
("return_use"): New expander.
("*return"): Emit return via thunk and rename it to ...
("*return<mode>"): ... this one.
* config/s390/s390.opt: Add new options and and enum for the
option values.
2018-02-08 Richard Sandiford <richard.sandiford@linaro.org>
* lra-constraints.c (match_reload): Unconditionally use
gen_lowpart_SUBREG, rather than selecting between that
and equivalent gen_rtx_SUBREG code.
2018-02-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/84233
* tree-ssa-phiprop.c (propagate_with_phi): Use separate
changed flag instead of boguously re-using phi_inserted.
2018-02-08 Martin Jambor <mjambor@suse.cz>
* hsa-gen.c (get_symbol_for_decl): Set program allocation for
static local variables.
2018-02-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/84278
* tree-vect-stmts.c (vectorizable_store): When looking for
smaller vector types to perform grouped strided loads/stores
make sure the mode is supported by the target.
(vectorizable_load): Likewise.
2018-02-08 Wilco Dijkstra <wdijkstr@arm.com>
* config/aarch64/aarch64.c (aarch64_components_for_bb):
Increase LDP/STP opportunities by adding adjacent callee-saves.
2018-02-08 Wilco Dijkstra <wdijkstr@arm.com>
PR rtl-optimization/84068
PR rtl-optimization/83459
* haifa-sched.c (rank_for_schedule): Fix SCHED_PRESSURE_MODEL sorting.
2018-02-08 Aldy Hernandez <aldyh@redhat.com>
PR tree-optimization/84224
* gimple-ssa-warn-alloca.c (pass_walloca::execute): Remove assert.
* calls.c (gimple_alloca_call_p): Only return TRUE when we have
non-zero arguments.
2018-02-07 Iain Sandoe <iain@codesourcery.com>
PR target/84113
* config/rs6000/altivec.md (*restore_world): Remove LR use.
* config/rs6000/predicates.md (restore_world_operation): Adjust op
count, remove one USE.
2018-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
* doc/install.texi (Configuration): Document the
--with-long-double-format={ibm,ieee} PowerPC configuration
options.
PR target/84154
* config/rs6000/rs6000.md (fix_trunc<SFDF:mode><QHI:mode>2):
Convert from define_expand to be define_insn_and_split. Rework
float/double/_Float128 conversions to QI/HI/SImode to work with
both ISA 2.07 (power8) or ISA 3.0 (power9). Fix regression where
conversions to QI/HImode types did a store and then a load to
truncate the value. For conversions to VSX registers, don't split
the insn, instead emit the code directly. Use the code iterator
any_fix to combine signed and unsigned conversions.
(fix<uns>_trunc<SFDF:mode>si2_p8): Likewise.
(fixuns_trunc<SFDF:mode><QHI:mode>2): Likewise.
(fix_trunc<IEEE128:mode><QHI:mode>2): Likewise.
(fix<uns>_trunc<SFDF:mode><QHI:mode>2): Likewise.
(fix_<mode>di2_hw): Likewise.
(fixuns_<mode>di2_hw): Likewise.
(fix_<mode>si2_hw): Likewise.
(fixuns_<mode>si2_hw): Likewise.
(fix<uns>_<IEEE128:mode><SDI:mode>2_hw): Likewise.
(fix<uns>_trunc<IEEE128:mode><QHI:mode>2): Likewise.
(fctiw<u>z_<mode>_smallint): Rename fctiw<u>z_<mode>_smallint to
fix<uns>_trunc<SFDF:mode>si2_p8.
(fix_trunc<SFDF:mode><QHI:mode>2_internal): Delete, no longer
used.
(fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
(fix<uns>_<mode>_mem): Likewise.
(fctiw<u>z_<mode>_mem): Likewise.
(fix<uns>_<mode>_mem): Likewise.
(fix<uns>_trunc<SFDF:mode><QHSI:mode>2_mem): On ISA 3.0, prevent
the register allocator from doing a direct move to the GPRs to do
a store, and instead use the ISA 3.0 store byte/half-word from
vector register instruction. For IEEE 128-bit floating point,
also optimize stores of 32-bit ints.
(fix<uns>_trunc<IEEE128:mode><QHSI:mode>2_mem): Likewise.
2018-02-07 Alan Hayward <alan.hayward@arm.com>
* genextract.c (push_pathstr_operand): New function to support
[a-zA-Z].
(walk_rtx): Call push_pathstr_operand.
(print_path): Support [a-zA-Z].
2018-02-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/84037
* tree-vectorizer.h (struct _loop_vec_info): Add ivexpr_map member.
(cse_and_gimplify_to_preheader): Declare.
(vect_get_place_in_interleaving_chain): Likewise.
* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
ivexpr_map.
(_loop_vec_info::~_loop_vec_info): Delete it.
(cse_and_gimplify_to_preheader): New function.
* tree-vect-slp.c (vect_get_place_in_interleaving_chain): Export.
* tree-vect-stmts.c (vectorizable_store): CSE base and steps.
(vectorizable_load): Likewise. For grouped stores always base
the IV on the first element.
* tree-vect-loop-manip.c (vect_loop_versioning): Unshare versioning
condition before gimplifying.
2018-02-07 Jakub Jelinek <jakub@redhat.com>
* tree-eh.c (operation_could_trap_helper_p): Ignore honor_trapv for
*DIV_EXPR and *MOD_EXPR.
2018-02-07 H.J. Lu <hongjiu.lu@intel.com>
PR target/84248
* config/i386/i386.c (ix86_option_override_internal): Mask out
the CF_SET bit when checking -fcf-protection.
2018-02-07 Tom de Vries <tom@codesourcery.com>
PR libgomp/84217
* omp-expand.c (expand_oacc_collapse_init): Ensure diff_type is large
enough.
2018-02-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/84204
* tree-chrec.c (chrec_fold_plus_1): Remove size limiting in
this place.
PR tree-optimization/84205
* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Also
special-case isl_ast_op_zdiv_r.
PR tree-optimization/84223
* graphite-scop-detection.c (gather_bbs::before_dom_children):
Only add conditions from within the region.
(gather_bbs::after_dom_children): Adjust.
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 REGERAL_REG_P.
2018-02-07 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/84235
* tree-ssa-scopedtables.c
(avail_exprs_stack::simplify_binary_operation): Fir MINUS_EXPR, punt
if the subtraction is performed in floating point type where NaNs are
honored. For *DIV_EXPR, punt for ALL_FRACT_MODE_Ps where we can't
build 1. Formatting fix.
2018-02-06 Jakub Jelinek <jakub@redhat.com>
PR target/84146
* config/i386/i386.c (rest_of_insert_endbranch): Only skip
NOTE_INSN_CALL_ARG_LOCATION after a call, not anything else,
and skip it regardless of bb boundaries. Use CALL_P macro,
don't test INSN_P (insn) together with CALL_P or JUMP_P check
unnecessarily, formatting fix.
2018-02-06 Michael Collison <michael.collison@arm.com>
* config/arm/thumb2.md:
(*thumb2_mov_negscc): Split only if TARGET_THUMB2 && !arm_restrict_it.
(*thumb_mov_notscc): Ditto.
2018-02-06 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/84154
* config/rs6000/rs6000.md (su code attribute): Use "u" for
unsigned_fix, not "s".
2018-02-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (gcc_fn_eh_frame_ro): New function.
(gcc_cv_as_cfi_directive): Check both 32 and 64-bit assembler for
correct .eh_frame permissions.
* configure: Regenerate.
2018-02-06 Andrew Jenner <andrew@codeourcery.com>
* doc/invoke.texi: Add section for the PowerPC SPE backend. Remove
irrelevant options.
2018-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000.c (rs6000_option_override_internal):
Display warning message for -mno-speculate-indirect-jumps.
2018-02-06 Andrew Jenner <andrew@codesourcery.com>
* config/powerpcspe/powerpcspe.opt: (msimple-fpu, mfpu) Add
Undocumented.
* config/powerpcspe/sysv4.opt (mbit-align): Likewise.
2018-02-06 Aldy Hernandez <aldyh@redhat.com>
PR tree-optimization/84225
* tree-eh.c (find_trapping_overflow): Only call
operation_no_trapping_overflow when ANY_INTEGRAL_TYPE_P.
2018-02-06 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
PR target/84145
* config/i386/i386.c: Reimplement the check of possible options
-mibt/-mshstk conbination. Change error messages.
* doc/invoke.texi: Fix a typo: remove extra '='.
2018-02-06 Marek Polacek <polacek@redhat.com>
PR tree-optimization/84228
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Skip debug statements.
2018-02-06 Tamar Christina <tamar.christina@arm.com>
PR target/82641
* config/arm/arm.c (arm_print_asm_arch_directives): Record already
emitted arch directives.
* config/arm/arm-c.c (arm_cpu_builtins): Undefine __ARM_ARCH and
__ARM_FEATURE_COPROC before changing architectures.
2018-02-06 Richard Biener <rguenther@suse.de>
* config/i386/i386.c (print_reg): Fix typo.
(ix86_loop_unroll_adjust): Do not unroll beyond the original nunroll.
2018-02-06 Eric Botcazou <ebotcazou@adacore.com>
* configure: Regenerate.
2018-02-05 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83369
* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Use %G to print
inlining context.
2018-02-05 Martin Liska <mliska@suse.cz>
* doc/invoke.texi: Cherry-pick upstream r323995.
2018-02-05 Richard Sandiford <richard.sandiford@linaro.org>
* ira.c (ira_init_register_move_cost): Adjust comment.
2018-02-05 Martin Liska <mliska@suse.cz>
PR gcov-profile/84137
* doc/gcov.texi: Fix typo in documentation.
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.
2018-02-05 Olga Makhotina <olga.makhotina@intel.com>
* config/i386/avx512dqintrin.h (_mm_mask_range_sd, _mm_maskz_range_sd,
_mm_mask_range_round_sd, _mm_maskz_range_round_sd, _mm_mask_range_ss,
_mm_maskz_range_ss, _mm_mask_range_round_ss,
_mm_maskz_range_round_ss): New intrinsics.
(__builtin_ia32_rangesd128_round)
(__builtin_ia32_rangess128_round): Remove.
(__builtin_ia32_rangesd128_mask_round,
__builtin_ia32_rangess128_mask_round): New builtins.
* config/i386/i386-builtin.def (__builtin_ia32_rangesd128_round,
__builtin_ia32_rangess128_round): Remove.
(__builtin_ia32_rangesd128_mask_round,
__builtin_ia32_rangess128_mask_round): New builtins.
* config/i386/sse.md (ranges<mode><round_saeonly_name>): Renamed to ...
(ranges<mode><mask_scalar_name><round_saeonly_scalar_name>): ... this.
((match_operand:VF_128 2 "<round_saeonly_nimm_predicate>"
"<round_saeonly_constraint>")): Changed to ...
((match_operand:VF_128 2 "<round_saeonly_scalar_nimm_predicate>"
"<round_saeonly_scalar_constraint>")): ... this.
("vrange<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
%0, %1, %2<round_saeonly_op4>, %3}"): Changed to ...
("vrange<ssescalarmodesuffix>\t{%3, <round_saeonly_scalar_mask_op4>%2,
%1, %0<mask_scalar_operand4>|%0<mask_scalar_operand4>, %1,
%2<round_saeonly_scalar_mask_op4>, %3}"): ... this.
2018-02-02 Andrew Jenner <andrew@codesourcery.com>
* config/powerpcspe/powerpcspe.opt: Add Undocumented to irrelevant
options.
* config/powerpcspe/powerpcspe-tables.opt (rs6000_cpu_opt_value):
Remove all values except native, 8540 and 8548.
2018-02-02 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_output_function_return): Pass
INVALID_REGNUM, instead of -1, as invalid register number to
indirect_thunk_name and output_indirect_thunk.
2018-02-02 Julia Koval <julia.koval@intel.com>
* config.gcc: Add -march=icelake.
* config/i386/driver-i386.c (host_detect_local_cpu): Detect icelake.
* config/i386/i386-c.c (ix86_target_macros_internal): Handle icelake.
* config/i386/i386.c (processor_costs): Add m_ICELAKE.
(PTA_ICELAKE, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES, PTA_AVX512VBMI2,
PTA_VPCLMULQDQ, PTA_RDPID, PTA_AVX512BITALG): New.
(processor_target_table): Add icelake.
(ix86_option_override_internal): Handle new PTAs.
(get_builtin_code_for_version): Handle icelake.
(M_INTEL_COREI7_ICELAKE): New.
(fold_builtin_cpu): Handle icelake.
* config/i386/i386.h (TARGET_ICELAKE, PROCESSOR_ICELAKE): New.
* doc/invoke.texi: Add -march=icelake.
2018-02-02 Julia Koval <julia.koval@intel.com>
* config/i386/i386.c (ix86_option_override_internal): Change flags type
to wide_int_bitmask.
* wide-int-bitmask.h: New.
2018-02-02 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
PR target/84066
* config/i386/i386.md: Replace Pmode with word_mode in
builtin_setjmp_setup and builtin_longjmp to support x32.
2018-02-01 Peter Bergner <bergner@vnet.ibm.com>
PR target/56010
PR target/83743
* config/rs6000/driver-rs6000.c: #include "diagnostic.h".
#include "opts.h".
(rs6000_supported_cpu_names): New static variable.
(linux_cpu_translation_table): Likewise.
(elf_platform) <cpu>: Define new static variable and use it.
Translate kernel AT_PLATFORM name to canonical name if needed.
Error if platform name is unknown.
2018-02-01 Aldy Hernandez <aldyh@redhat.com>
PR target/84089
* config/pa/predicates.md (base14_operand): Handle E_VOIDmode.
2018-02-01 Jeff Law <law@redhat.com>
PR target/84128
* config/i386/i386.c (release_scratch_register_on_entry): Add new
OFFSET and RELEASE_VIA_POP arguments. Use SP+OFFSET to restore
the scratch if RELEASE_VIA_POP is false.
(ix86_adjust_stack_and_probe_stack_clash): Un-constify SIZE.
If we have to save a temporary register, decrement SIZE appropriately.
Pass new arguments to release_scratch_register_on_entry.
(ix86_adjust_stack_and_probe): Likewise.
(ix86_emit_probe_stack_range): Pass new arguments to
release_scratch_register_on_entry.
2018-02-01 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/84157
* combine.c (change_zero_ext): Use REG_P predicate in
front of HARD_REGISTER_P predicate.
2018-02-01 Georg-Johann Lay <avr@gjlay.de>
* config/avr/avr.c (avr_option_override): Move disabling of
-fdelete-null-pointer-checks to...
* common/config/avr/avr-common.c (avr_option_optimization_table):
...here.
2018-02-01 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/81635
* tree-data-ref.c (split_constant_offset_1): For types that
wrap on overflow, try to use range info to prove that wrapping
cannot occur.
2018-02-01 Renlin Li <renlin.li@arm.com>
PR target/83370
* config/aarch64/aarch64.c (aarch64_class_max_nregs): Handle
TAILCALL_ADDR_REGS.
(aarch64_register_move_cost): Likewise.
* config/aarch64/aarch64.h (reg_class): Rename CALLER_SAVE_REGS to
TAILCALL_ADDR_REGS.
(REG_CLASS_NAMES): Likewise.
(REG_CLASS_CONTENTS): Rename CALLER_SAVE_REGS to
TAILCALL_ADDR_REGS. Remove IP registers.
* config/aarch64/aarch64.md (Ucs): Update register constraint.
2018-02-01 Richard Biener <rguenther@suse.de>
* domwalk.h (dom_walker::dom_walker): Add additional constructor
for specifying RPO order and allow NULL for that.
* domwalk.c (dom_walker::dom_walker): Likewise.
(dom_walker::walk): Handle NULL RPO order.
* tree-into-ssa.c (rewrite_dom_walker): Do not walk dom children
in RPO order.
(rewrite_update_dom_walker): Likewise.
(mark_def_dom_walker): Likewise.
2018-02-01 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64-protos.h (aarch64_split_sve_subreg_move)
(aarch64_maybe_expand_sve_subreg_move): Declare.
* config/aarch64/aarch64.md (UNSPEC_REV_SUBREG): New unspec.
* config/aarch64/predicates.md (aarch64_any_register_operand): New
predicate.
* config/aarch64/aarch64-sve.md (mov<mode>): Optimize subreg moves
that are semantically a reverse operation.
(*aarch64_sve_mov<mode>_subreg_be): New pattern.
* config/aarch64/aarch64.c (aarch64_maybe_expand_sve_subreg_move):
(aarch64_replace_reg_mode, aarch64_split_sve_subreg_move): New
functions.
(aarch64_can_change_mode_class): For big-endian, forbid changes
between two SVE modes if they have different element sizes.
2018-02-01 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64.c (aarch64_expand_sve_const_vector): Prefer
the TImode handling for big-endian targets.
2018-02-01 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64-sve.md (sve_ld1rq): Replace with...
(*sve_ld1rq<Vesize>): ... this new pattern. Handle all element sizes,
not just bytes.
* config/aarch64/aarch64.c (aarch64_expand_sve_widened_duplicate):
Remove BSWAP handing for big-endian targets and use the form of
LD1RQ appropariate for the mode.
2018-02-01 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Handle
all CONST_VECTOR_DUPLICATE_P vectors, not just those with a single
duplicated element.
2018-02-01 Richard Sandiford <richard.sandiford@linaro.org>
PR tearget/83845
* config/aarch64/aarch64.c (aarch64_secondary_reload): Tighten
check for operands that need to go through aarch64_sve_reload_be.
2018-02-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/81661
PR tree-optimization/84117
* tree-eh.h (rewrite_to_non_trapping_overflow): Declare.
* tree-eh.c: Include gimplify.h.
(find_trapping_overflow, replace_trapping_overflow,
rewrite_to_non_trapping_overflow): New functions.
* tree-vect-loop.c: Include tree-eh.h.
(vect_get_loop_niters): Use rewrite_to_non_trapping_overflow.
* tree-data-ref.c: Include tree-eh.h.
(get_segment_min_max): Use rewrite_to_non_trapping_overflow.
2018-01-31 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/84123
* combine.c (change_zero_ext): Check if hard register satisfies
can_change_dest_mode before calling gen_lowpart_SUBREG.
2018-01-31 Vladimir Makarov <vmakarov@redhat.com>
PR target/82444
* ira.c (ira_init_register_move_cost): Remove assert.
2018-01-31 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/84071
* doc/tm.texi.in (WORD_REGISTER_OPERATIONS): Add explicit case.
* doc/tm.texi: Regenerate.
2018-01-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/84132
* tree-data-ref.c (analyze_miv_subscript): Properly
check whether evolution_function_is_affine_multivariate_p
before calling gcd_of_steps_may_divide_p.
2018-01-31 Julia Koval <julia.koval@intel.com>
PR target/83618
* config/i386/i386.c (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
* config/i386/i386.md (rdpid_rex64) New.
(rdpid): Make 32bit only.
2018-01-29 Aldy Hernandez <aldyh@redhat.com>
PR lto/84105
* tree-pretty-print.c (dump_generic_node): Handle a TYPE_NAME with
an IDENTIFIER_NODE for FUNCTION_TYPE's.
2018-01-31 Eric Botcazou <ebotcazou@adacore.com>
Revert
2018-01-12 Eric Botcazou <ebotcazou@adacore.com>
* config/sparc/sparc.md (vxworks_load_got): Set the GOT register.
2018-01-31 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/84071
* combine.c (record_dead_and_set_regs_1): Record the source unmodified
for a paradoxical SUBREG on a WORD_REGISTER_OPERATIONS target.
2018-01-31 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (arc_handle_aux_attribute): New function.
(arc_attribute_table): Add 'aux' attribute.
(arc_in_small_data_p): Consider aux like variables.
(arc_is_aux_reg_p): New function.
(arc_asm_output_aligned_decl_local): Ignore 'aux' like variables.
(arc_get_aux_arg): New function.
(prepare_move_operands): Handle aux-register access.
(arc_handle_aux_attribute): New function.
* doc/extend.texi (ARC Variable attributes): Add subsection.
2018-01-31 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h (arc_is_uncached_mem_p): Function proto.
* config/arc/arc.c (arc_handle_uncached_attribute): New function.
(arc_attribute_table): Add 'uncached' attribute.
(arc_print_operand): Print '.di' flag for uncached memory
accesses.
(arc_in_small_data_p): Do not consider for small data the uncached
types.
(arc_is_uncached_mem_p): New function.
* config/arc/predicates.md (compact_store_memory_operand): Check
for uncached memory accesses.
(nonvol_nonimm_operand): Likewise.
* gcc/doc/extend.texi (ARC Type Attribute): New subsection.
2018-01-31 Jakub Jelinek <jakub@redhat.com>
PR c/84100
* common.opt (falign-functions=, falign-jumps=, falign-labels=,
falign-loops=): Add Optimization flag.
2018-01-30 Jeff Law <law@redhat.com>
PR target/84064
* i386.c (ix86_adjust_stack_and_probe_stack_clash): New argument
INT_REGISTERS_SAVED. Check it prior to calling
get_scratch_register_on_entry.
(ix86_adjust_stack_and_probe): Similarly.
(ix86_emit_probe_stack_range): Similarly.
(ix86_expand_prologue): Corresponding changes.
2018-01-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR target/40411
* config/sol2.h (STARTFILE_ARCH_SPEC): Use -std=c*,
-std=iso9899:199409 instead of -pedantic to select values-Xc.o.
2018-01-30 Vladimir Makarov <vmakarov@redhat.com>
PR target/84112
* lra-constraints.c (curr_insn_transform): Process AND in the
address.
2018-01-30 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/83986
* sched-deps.c (sched_analyze_insn): For frame related insns, add anti
dependence against last_pending_memory_flush in addition to
pending_jump_insns.
2018-01-30 Alexandre Oliva <aoliva@redhat.com>
PR tree-optimization/81611
* tree-ssa-dom.c (simple_iv_increment_p): Skip intervening
copies.
2018-01-30 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
PR target/83758
* config/rs6000/rs6000.c (rs6000_internal_arg_pointer): Only return
a reg rtx.
2018-01-30 Richard Biener <rguenther@suse.de>
Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/84111
* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Skip
inner loops added during recursion, as they don't have up-to-date
SSA form.
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
PR ipa/81360
* ipa-inline.c (can_inline_edge_p): Break out late tests to...
(can_inline_edge_by_limits_p): ... here.
(can_early_inline_edge_p, check_callers,
update_caller_keys, update_callee_keys, recursive_inlining,
add_new_edges_to_heap, speculation_useful_p,
inline_small_functions,
inline_small_functions, flatten_function,
inline_to_all_callers_1): Update.
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
* profile-count.c (profile_count::combine_with_ipa_count): Handle
zeros correctly.
2018-01-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/83008
* tree-vect-slp.c (vect_analyze_slp_cost_1): Properly cost
invariant and constant vector uses in stmts when they need
more than one stmt.
2018-01-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR bootstrap/84017
* configure.ac (gcc_cv_as_shf_merge): Disable on Solaris 10/x86.
* configure: Regenerate.
2018-01-30 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64-sve.md (*vec_extract<mode><Vel>_0): New
pattern.
(*vec_extract<mode><Vel>_v128): Require a nonzero lane number.
Use gen_rtx_REG rather than gen_lowpart.
2018-01-30 Richard Sandiford <richard.sandiford@linaro.org>
* lra-constraints.c (match_reload): Use subreg_lowpart_offset
rather than 0 when creating partial subregs.
2018-01-30 Richard Sandiford <richard.sandiford@linaro.org>
* vec-perm-indices.c (vec_perm_indices::series_p): Give examples
of usage.
2018-01-29 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/81550
* config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): If DFmode
and SFmode can go in Altivec registers (-mcpu=power7 for DFmode,
-mcpu=power8 for SFmode) don't set the PRE_INCDEC or PRE_MODIFY
flags. This restores the settings used before the 2017-07-24.
Turning off pre increment/decrement/modify allows IVOPTS to
optimize DF/SF loops where the index is an int.
2018-01-29 Richard Biener <rguenther@suse.de>
Kelvin Nilsen <kelvin@gcc.gnu.org>
PR bootstrap/80867
* tree-vect-stmts.c (vectorizable_call): Don't call
targetm.vectorize_builtin_md_vectorized_function if callee is
NULL.
2018-01-22 Carl Love <cel@us.ibm.com>
* doc/extend.tex: Fix typo in second arg in
__builtin_bcdadd_{lt|eq|gt|ov} and __builtin_bcdsub_{lt|eq|gt|ov}.
2018-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/84086
* tree-ssanames.c: Include cfgloop.h and tree-scalar-evolution.h.
(flush_ssaname_freelist): When SSA names were released reset
the SCEV hash table.
2018-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/84057
* tree-ssa-loop-ivcanon.c (unloop_loops): Deal with already
removed paths when removing edges.
2018-01-27 H.J. Lu <hongjiu.lu@intel.com>
* doc/invoke.texi: Replace -mfunction-return==@var{choice} with
-mfunction-return=@var{choice}.
2018-01-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR diagnostic/84034
* diagnostic-show-locus.c (get_line_width_without_trailing_whitespace):
Handle CR like TAB.
(layout::print_source_line): Likewise.
(test_get_line_width_without_trailing_whitespace): Add test cases.
2018-01-27 Jakub Jelinek <jakub@redhat.com>
PR middle-end/84040
* sched-deps.c (sched_macro_fuse_insns): Return immediately for
debug insns.
2018-01-26 Jim Wilson <jimw@sifive.com>
* config/riscv/riscv.h (MAX_FIXED_MODE_SIZE): New.
* config/riscv/elf.h (LIB_SPEC): Don't include -lgloss when nosys.specs
specified.
2018-01-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.md: Add peepholes for CMP + SUB -> SUBS
and CMP + SUB-immediate -> SUBS.
2018-01-26 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83896
* tree-ssa-strlen.c (get_string_len): Rename...
(get_string_cst_length): ...to this. Return HOST_WIDE_INT.
Avoid assuming length is constant.
(handle_char_store): Use HOST_WIDE_INT for string length.
2018-01-26 Uros Bizjak <ubizjak@gmail.com>
PR target/81763
* config/i386/i386.md (*andndi3_doubleword): Add earlyclobber
to (=&r,r,rm) alternative. Add (=r,0,rm) and (=r,r,0) alternatives.
2018-01-26 Richard Biener <rguenther@suse.de>
PR rtl-optimization/84003
* dse.c (record_store): Only record redundant stores when
the earlier store aliases at least all accesses the later one does.
2018-01-26 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/83985
* dce.c (deletable_insn_p): Return false for separate shrink wrapping
REG_CFA_RESTORE insns.
(delete_unmarked_insns): Don't ignore separate shrink wrapping
REG_CFA_RESTORE insns here.
PR c/83989
* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Don't
use SSA_NAME_VAR as base for SSA_NAMEs with non-NULL SSA_NAME_VAR.
2018-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-arch.h (arc_tune_attr): Add ARC_TUNE_CORE_3.
* config/arc/arc.c (arc_sched_issue_rate): Use ARC_TUNE_... .
(arc_init): Likewise.
(arc_override_options): Likewise.
(arc_file_start): Choose Tag_ARC_CPU_variation based on arc_tune
value.
(hwloop_fail): Use TARGET_DBNZ when we want to check for dbnz insn
support.
* config/arc/arc.h (TARGET_DBNZ): Define.
* config/arc/arc.md (attr tune): Add core_3, use ARC_TUNE_... to
properly set the tune attribute.
(dbnz): Use TARGET_DBNZ guard.
* config/arc/arc.opt (mtune): Add core3 option.
2018-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (arc_delegitimize_address_0): Refactored to
recognize new pic like addresses.
(arc_delegitimize_address): Clean up.
2018-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-arches.def: Option mrf16 valid for all
architectures.
* config/arc/arc-c.def (__ARC_RF16__): New predefined macro.
* config/arc/arc-cpus.def (em_mini): New cpu with rf16 on.
* config/arc/arc-options.def (FL_RF16): Add mrf16 option.
* config/arc/arc-tables.opt: Regenerate.
* config/arc/arc.c (arc_conditional_register_usage): Handle
reduced register file case.
(arc_file_start): Set must have build attributes.
* config/arc/arc.h (MAX_ARC_PARM_REGS): Conditional define using
mrf16 option value.
* config/arc/arc.opt (mrf16): Add new option.
* config/arc/elf.h (ATTRIBUTE_PCS): Define.
* config/arc/genmultilib.awk: Handle new mrf16 option.
* config/arc/linux.h (ATTRIBUTE_PCS): Define.
* config/arc/t-multilib: Regenerate.
* doc/invoke.texi (ARC Options): Document mrf16 option.
2018-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h: Add arc_is_secure_call_p proto.
* config/arc/arc.c (arc_handle_secure_attribute): New function.
(arc_attribute_table): Add 'secure_call' attribute.
(arc_print_operand): Print secure call operand.
(arc_function_ok_for_sibcall): Don't optimize tail calls when
secure.
(arc_is_secure_call_p): New function. * config/arc/arc.md
(call_i): Add support for sjli instruction.
(call_value_i): Likewise.
* config/arc/constraints.md (Csc): New constraint.
2018-01-26 Claudiu Zissulescu <claziss@synopsys.com>
John Eric Martin <John.Martin@emmicro-us.com>
* config/arc/arc-protos.h: Add arc_is_jli_call_p proto.
* config/arc/arc.c (_arc_jli_section): New struct.
(arc_jli_section): New type.
(rc_jli_sections): New static variable.
(arc_handle_jli_attribute): New function.
(arc_attribute_table): Add jli_always and jli_fixed attribute.
(arc_file_end): New function.
(TARGET_ASM_FILE_END): Define.
(arc_print_operand): Reuse 'S' letter for JLI output instruction.
(arc_add_jli_section): New function.
(jli_call_scan): Likewise.
(arc_reorg): Call jli_call_scan.
(arc_output_addsi): Remove 'S' from printing asm operand.
(arc_is_jli_call_p): New function.
* config/arc/arc.md (movqi_insn): Remove 'S' from printing asm
operand.
(movhi_insn): Likewise.
(movsi_insn): Likewise.
(movsi_set_cc_insn): Likewise.
(loadqi_update): Likewise.
(load_zeroextendqisi_update): Likewise.
(load_signextendqisi_update): Likewise.
(loadhi_update): Likewise.
(load_zeroextendhisi_update): Likewise.
(load_signextendhisi_update): Likewise.
(loadsi_update): Likewise.
(loadsf_update): Likewise.
(movsicc_insn): Likewise.
(bset_insn): Likewise.
(bxor_insn): Likewise.
(bclr_insn): Likewise.
(bmsk_insn): Likewise.
(bicsi3_insn): Likewise.
(cmpsi_cc_c_insn): Likewise.
(movsi_ne): Likewise.
(movsi_cond_exec): Likewise.
(clrsbsi2): Likewise.
(norm_f): Likewise.
(normw): Likewise.
(swap): Likewise.
(divaw): Likewise.
(flag): Likewise.
(sr): Likewise.
(kflag): Likewise.
(ffs): Likewise.
(ffs_f): Likewise.
(fls): Likewise.
(call_i): Remove 'S' asm letter, add jli instruction.
(call_value_i): Likewise.
* config/arc/arc.op (mjli-always): New option.
* config/arc/constraints.md (Cji): New constraint.
* config/arc/fpx.md (addsf3_fpx): Remove 'S' from printing asm
operand.
(subsf3_fpx): Likewise.
(mulsf3_fpx): Likewise.
* config/arc/simdext.md (vendrec_insn): Remove 'S' from printing
asm operand.
* doc/extend.texi (ARC): Document 'jli-always' and 'jli-fixed'
function attrbutes.
* doc/invoke.texi (ARC): Document mjli-always option.
2018-01-26 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.c (rl78_addsi3_internal): If operand 2 is const
avoid addition with 0 and use incw and decw where possible.
2018-01-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/81082
* fold-const.c (fold_plusminus_mult_expr): Do not perform the
association if it requires casting to unsigned.
* match.pd ((A * C) +- (B * C) -> (A+-B)): New patterns derived
from fold_plusminus_mult_expr to catch important cases late when
range info is available.
2018-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/i386/sol2.h (USE_HIDDEN_LINKONCE): Remove.
* configure.ac (hidden_linkonce): New test.
* configure: Regenerate.
* config.in: Regenerate.
2018-01-26 Julia Koval <julia.koval@intel.com>
* config/i386/avx512bitalgintrin.h (_mm512_bitshuffle_epi64_mask,
_mm512_mask_bitshuffle_epi64_mask, _mm256_bitshuffle_epi64_mask,
_mm256_mask_bitshuffle_epi64_mask, _mm_bitshuffle_epi64_mask,
_mm_mask_bitshuffle_epi64_mask): Fix type.
* config/i386/i386-builtin-types.def (UHI_FTYPE_V2DI_V2DI_UHI,
USI_FTYPE_V4DI_V4DI_USI): Remove.
* config/i386/i386-builtin.def (__builtin_ia32_vpshufbitqmb512_mask,
__builtin_ia32_vpshufbitqmb256_mask,
__builtin_ia32_vpshufbitqmb128_mask): Fix types.
* config/i386/i386.c (ix86_expand_args_builtin): Remove old types.
* config/i386/sse.md (VI1_AVX512VLBW): Change types.
2018-01-26 Alan Modra <amodra@gmail.com>
PR target/84033
* config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Exclude
UNSPEC_VBPERMQ. Sort other unspecs.
2018-01-25 David Edelsohn <dje.gcc@gmail.com>
* doc/invoke.texi (PowerPC Options): Document 'native' cpu type.
2018-01-25 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83055
* predict.c (drop_profile): Do not push/pop cfun; update also
node->count.
(handle_missing_profiles): Fix logic looking for zero profiles.
2018-01-25 Jakub Jelinek <jakub@redhat.com>
PR middle-end/83977
* ipa-fnsummary.c (compute_fn_summary): Clear can_change_signature
on functions with #pragma omp declare simd or functions with simd
attribute.
* omp-simd-clone.c (expand_simd_clones): Revert 2018-01-24 change.
* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
Remove trailing \n from warning_at calls.
2018-01-25 Tom de Vries <tom@codesourcery.com>
PR target/84028
* config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call
for neutered workers.
2018-01-24 Joseph Myers <joseph@codesourcery.com>
PR target/68467
* config/m68k/m68k.c (m68k_promote_function_mode): New function.
(TARGET_PROMOTE_FUNCTION_MODE): New macro.
2018-01-24 Jeff Law <law@redhat.com>
PR target/83994
* i386.c (get_probe_interval): Move to earlier point.
(ix86_compute_frame_layout): If -fstack-clash-protection and
the frame is larger than the probe interval, then use pushes
to save registers rather than reg->mem moves.
(ix86_expand_prologue): Remove conditional for int_registers_saved
assertion.
2018-01-24 Vladimir Makarov <vmakarov@redhat.com>
PR target/84014
* ira-build.c (setup_min_max_allocno_live_range_point): Set up
min/max for never referenced object.
2018-01-24 Jakub Jelinek <jakub@redhat.com>
PR middle-end/83977
* tree.c (free_lang_data_in_decl): Don't clear DECL_ABSTRACT_ORIGIN
here.
* omp-low.c (create_omp_child_function): Remove "omp declare simd"
attributes from DECL_ATTRIBUTES (decl) without affecting
DECL_ATTRIBUTES (current_function_decl).
* omp-simd-clone.c (expand_simd_clones): Ignore DECL_ARTIFICIAL
functions with non-NULL DECL_ABSTRACT_ORIGIN.
2018-01-24 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83979
* fold-const.c (fold_comparison): Use constant_boolean_node
instead of boolean_{true,false}_node.
2018-01-24 Jan Hubicka <hubicka@ucw.cz>
* ipa-profile.c (ipa_propagate_frequency_1): Fix logic skipping calls
with zero counts.
2018-01-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
Simplify the clause that sets the length attribute.
(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
(*sibcall_nonlocal_sysv<mode>): Clean up code block; simplify the
clause that sets the length attribute.
(*sibcall_value_nonlocal_sysv<mode>): Likewise.
2018-01-24 Tom de Vries <tom@codesourcery.com>
PR target/83589
* config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG_2): Define to 1.
(nvptx_pc_set, nvptx_condjump_label): New function. Copy from jump.c.
Add strict parameter.
(prevent_branch_around_nothing): Insert dummy insn between branch to
label and label with no ptx insn inbetween.
* config/nvptx/nvptx.md (define_insn "fake_nop"): New insn.
2018-01-24 Tom de Vries <tom@codesourcery.com>
PR target/81352
* config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call
for neutered threads in warp.
* config/nvptx/nvptx.md (define_insn "exit"): New insn.
2018-01-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/83176
* tree-chrec.c (chrec_fold_plus_1): Handle (signed T){(T) .. }
operands.
2018-01-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/82819
* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Avoid
code generating pluses that are no-ops in the target precision.
2018-01-24 Richard Biener <rguenther@suse.de>
PR middle-end/84000
* tree-cfg.c (replace_loop_annotate): Handle annot_expr_parallel_kind.
2018-01-23 Jan Hubicka <hubicka@ucw.cz>
* cfgcleanup.c (try_crossjump_to_edge): Use combine_with_count
to merge probabilities.
* predict.c (probably_never_executed): Also mark as cold functions
with global 0 profile and guessed local profile.
* profile-count.c (profile_probability::combine_with_count): New
member function.
* profile-count.h (profile_probability::operator*,
profile_probability::operator*=, profile_probability::operator/,
profile_probability::operator/=): Reduce precision to adjusted
and set value to guessed on contradictory divisions.
(profile_probability::combine_with_freq): Remove.
(profile_probability::combine_wiht_count): Declare.
(profile_count::force_nonzero):: Set to adjusted.
(profile_count::probability_in):: Set quality to adjusted.
* tree-ssa-tail-merge.c (replace_block_by): Use
combine_with_count.
2018-01-23 Andrew Waterman <andrew@sifive.com>
Jim Wilson <jimw@sifive.com>
* config/riscv/riscv.c (riscv_stack_boundary): New.
(riscv_option_override): Set riscv_stack_boundary. Handle
riscv_preferred_stack_boundary_arg.
* config/riscv/riscv.h (MIN_STACK_BOUNDARY, ABI_STACK_BOUNDARY): New.
(BIGGEST_ALIGNMENT): Set to STACK_BOUNDARY.
(STACK_BOUNDARY): Set to riscv_stack_boundary.
(RISCV_STACK_ALIGN): Use STACK_BOUNDARY.
* config/riscv/riscv.opt (mpreferred-stack-boundary): New.
* doc/invoke.tex (RISC-V Options): Add -mpreferred-stack-boundary.
2018-01-23 H.J. Lu <hongjiu.lu@intel.com>
PR target/83905
* config/i386/i386.c (ix86_expand_prologue): Use cost reference
of struct ix86_frame.
(ix86_expand_epilogue): Likewise. Add a local variable for
the reg_save_offset field in struct ix86_frame.
2018-01-23 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/82604
* tree-loop-distribution.c (enum partition_kind): New enum item
PKIND_PARTIAL_MEMSET.
(partition_builtin_p): Support above new enum item.
(generate_code_for_partition): Ditto.
(compute_access_range): Differentiate cases that equality can be
proven at all loops, the innermost loops or no loops.
(classify_builtin_st, classify_builtin_ldst): Adjust call to above
function. Set PKIND_PARTIAL_MEMSET for partition appropriately.
(finalize_partitions, distribute_loop): Don't fuse partition of
PKIND_PARTIAL_MEMSET kind when distributing 3-level loop nest.
(prepare_perfect_loop_nest): Distribute 3-level loop nest only if
parloop is enabled.
2018-01-23 Martin Liska <mliska@suse.cz>
* predict.def (PRED_INDIR_CALL): Set probability to PROB_EVEN in
order to ignore the predictor.
(PRED_POLYMORPHIC_CALL): Likewise.
(PRED_RECURSIVE_CALL): Likewise.
2018-01-23 Martin Liska <mliska@suse.cz>
* tree-profile.c (tree_profiling): Print function header to
aware reader which function we are working on.
* value-prof.c (gimple_find_values_to_profile): Do not print
not interesting value histograms.
2018-01-23 Martin Liska <mliska@suse.cz>
* profile-count.h (enum profile_quality): Add
profile_uninitialized as the first value. Do not number values
as they are zero based.
(profile_count::verify): Update sanity check.
(profile_probability::verify): Likewise.
2018-01-23 Nathan Sidwell <nathan@acm.org>
* doc/invoke.texi (ffor-scope): Deprecate.
2018-01-23 David Malcolm <dmalcolm@redhat.com>
PR tree-optimization/83510
* domwalk.c (set_all_edges_as_executable): New function.
(dom_walker::dom_walker): Convert bool param
"skip_unreachable_blocks" to enum reachability. Move setup of
edge flags to set_all_edges_as_executable and only do it when
reachability is REACHABLE_BLOCKS.
* domwalk.h (enum dom_walker::reachability): New enum.
(dom_walker::dom_walker): Convert bool param
"skip_unreachable_blocks" to enum reachability.
(set_all_edges_as_executable): New decl.
* graphite-scop-detection.c (gather_bbs::gather_bbs): Convert
from false for "skip_unreachable_blocks" to ALL_BLOCKS for
"reachability".
* tree-ssa-dom.c (dom_opt_dom_walker::dom_opt_dom_walker): Likewise,
but converting true to REACHABLE_BLOCKS.
* tree-ssa-sccvn.c (sccvn_dom_walker::sccvn_dom_walker): Likewise.
* tree-vrp.c
(check_array_bounds_dom_walker::check_array_bounds_dom_walker):
Likewise, but converting it to REACHABLE_BLOCKS_PRESERVING_FLAGS.
(vrp_dom_walker::vrp_dom_walker): Likewise, but converting it to
REACHABLE_BLOCKS.
(vrp_prop::vrp_finalize): Call set_all_edges_as_executable
if check_all_array_refs will be called.
2018-01-23 David Malcolm <dmalcolm@redhat.com>
* tree.c (selftest::test_location_wrappers): Add more test
coverage.
2018-01-23 David Malcolm <dmalcolm@redhat.com>
* sbitmap.c (selftest::test_set_range): Fix memory leaks.
(selftest::test_bit_in_range): Likewise.
2018-01-23 Richard Sandiford <richard.sandiford@linaro.org>
PR testsuite/83888
* doc/sourcebuild.texi (vect_float): Say that the selector
only describes the situation when -funsafe-math-optimizations is on.
(vect_float_strict): Document.
2018-01-23 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83965
* tree-vect-patterns.c (vect_reassociating_reduction_p): New function.
(vect_recog_dot_prod_pattern, vect_recog_sad_pattern): Use it
instead of checking only for a reduction.
(vect_recog_widen_sum_pattern): Likewise.
2018-01-23 Jan Hubicka <hubicka@ucw.cz>
* predict.c (probably_never_executed): Only use precise profile info.
(compute_function_frequency): Skip after inlining hack since we now
have quality checking.
2018-01-23 Jan Hubicka <hubicka@ucw.cz>
* profile-count.h (profile_probability::very_unlikely,
profile_probability::unlikely, profile_probability::even): Set
precision to guessed.
2018-01-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/83963
* graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
Properly terminate dominator walk when crossing the exit edge not
when visiting its source block.
2018-01-23 Jakub Jelinek <jakub@redhat.com>
PR c++/83918
* tree.c (maybe_wrap_with_location): Use NON_LVALUE_EXPR rather than
VIEW_CONVERT_EXPR to wrap CONST_DECLs.
2018-01-22 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/83957
* omp-expand.c (expand_omp_for_generic): Ignore virtual PHIs. Remove
semicolon after for body surrounded by braces.
PR tree-optimization/83081
* profile-count.h (profile_probability::split): New method.
* dojump.c (do_jump_1) <case TRUTH_ANDIF_EXPR, case TRUTH_ORIF_EXPR>:
Use profile_probability::split.
(do_compare_rtx_and_jump): Fix adjustment of probabilities
when splitting a single conditional jump into 2.
2018-01-22 David Malcolm <dmalcolm@redhat.com>
PR tree-optimization/69452
* tree-ssa-loop-im.c (class move_computations_dom_walker): Remove
decl.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78-expand.md (bswaphi2): New define_expand.
* config/rl78/rl78-virt.md (*bswaphi2_virt): New define_insn.
* config/rl78/rl78-real.md (*bswaphi2_real): New define_insn.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78-protos.h (rl78_split_movdi): New function declaration.
* config/rl78/rl78.md (movdi): New define_expand.
* config/rl78/rl78.c (rl78_split_movdi): New function.
2018-01-22 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/83862
* config/rs6000/rs6000-protos.h (rs6000_split_signbit): Delete,
no longer used.
* config/rs6000/rs6000.c (rs6000_split_signbit): Likewise.
* config/rs6000/rs6000.md (signbit<mode>2): Change code for IEEE
128-bit to produce an UNSPEC move to get the double word with the
signbit and then a shift directly to do signbit.
(signbit<mode>2_dm): Replace old IEEE 128-bit signbit
implementation with a new version that just does either a direct
move or a regular move. Move memory interface to separate insns.
Move insns so they are next to the expander.
(signbit<mode>2_dm_mem_be): New combiner insns to combine load
with signbit move. Split big and little endian case.
(signbit<mode>2_dm_mem_le): Likewise.
(signbit<mode>2_dm_<su>ext): Delete, no longer used.
(signbit<mode>2_dm2): Likewise.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md (anddi3): New define_expand.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md (umindi3): New define_expand.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md (smindi3): New define_expand.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md (smaxdi3): New define_expand.
2018-01-22 Carl Love <cel@us.ibm.com>
* config/rs6000/rs6000-builtin.def (ST_ELEMREV_V1TI, LD_ELEMREV_V1TI,
LVX_V1TI): Add macro expansion.
* config/rs6000/rs6000-c.c (altivec_builtin_types): Add argument
definitions for VSX_BUILTIN_VEC_XST_BE, VSX_BUILTIN_VEC_ST,
VSX_BUILTIN_VEC_XL, LD_ELEMREV_V1TI builtins.
* config/rs6000/rs6000-p8swap.c (insn_is_swappable_p);
Change check to determine if the instruction is a byte reversing
entry. Fix typo in comment.
* config/rs6000/rs6000.c (altivec_expand_builtin): Add case entry
for VSX_BUILTIN_ST_ELEMREV_V1TI and VSX_BUILTIN_LD_ELEMREV_V1TI.
Add def_builtin calls for new builtins.
* config/rs6000/vsx.md (vsx_st_elemrev_v1ti, vsx_ld_elemrev_v1ti):
Add define_insn expansion.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md (umaxdi3): New define_expand.
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.c (rl78_note_reg_set): Fixed dead reg check
for non-QImode registers.
2018-01-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/83963
* graphite-scop-detection.c (scop_detection::get_sese): Delay
including the loop exit block.
(scop_detection::merge_sese): Likewise.
(scop_detection::add_scop): Do it here instead.
2018-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* doc/sourcebuild.texi (arm_softfloat): Document.
2018-01-21 John David Anglin <danglin@gcc.gnu.org>
PR gcc/77734
* config/pa/pa.c (pa_function_ok_for_sibcall): Use
targetm.binds_local_p instead of TREE_PUBLIC to check local binding.
Move TARGET_PORTABLE_RUNTIME check after TARGET_64BIT check.
2018-01-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
David Edelsohn <dje.gcc@gmail.com>
PR target/83946
* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
Change "crset eq" to "crset 2".
(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
(*call_indirect_aix<mode>_nospec): Likewise.
(*call_value_indirect_aix<mode>_nospec): Likewise.
(*call_indirect_elfv2<mode>_nospec): Likewise.
(*call_value_indirect_elfv2<mode>_nospec): Likewise.
(*sibcall_nonlocal_sysv<mode>): Change "crset eq" to "crset 2";
change assembly output from . to $.
(*sibcall_value_nonlocal_sysv<mode>): Likewise.
(indirect_jump<mode>_nospec): Change assembly output from . to $.
(*tablejump<mode>_internal1_nospec): Likewise.
2018-01-21 Oleg Endo <olegendo@gcc.gnu.org>
PR target/80870
* config/sh/sh_optimize_sett_clrt.cc:
Use INCLUDE_ALGORITHM and INCLUDE_VECTOR instead of direct includes.
2018-01-20 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83940
* tree-vect-stmts.c (vect_truncate_gather_scatter_offset): Set
offset_dt to vect_constant_def rather than vect_unknown_def_type.
(vect_check_load_store_mask): Add a mask_dt_out parameter and
use it to pass back the definition type.
(vect_check_store_rhs): Likewise rhs_dt_out.
(vect_build_gather_load_calls): Add a mask_dt argument and use
it instead of a call to vect_is_simple_use.
(vectorizable_store): Update calls to vect_check_load_store_mask
and vect_check_store_rhs. Use the dt returned by the latter instead
of scatter_src_dt. Use the cached mask_dt and gs_info.offset_dt
instead of calls to vect_is_simple_use. Pass the scalar rather
than the vector operand to vect_is_simple_use when handling
second and subsequent copies of an rhs value.
(vectorizable_load): Update calls to vect_check_load_store_mask
and vect_build_gather_load_calls. Use the cached mask_dt and
gs_info.offset_dt instead of calls to vect_is_simple_use.
2018-01-20 Jakub Jelinek <jakub@redhat.com>
PR middle-end/83945
* tree-emutls.c: Include gimplify.h.
(lower_emutls_2): New function.
(lower_emutls_1): If ADDR_EXPR is a gimple invariant and walk_tree
with lower_emutls_2 callback finds some TLS decl in it, unshare_expr
it before further processing.
PR target/83930
* simplify-rtx.c (simplify_binary_operation_1) <case UMOD>: Use
UINTVAL (trueop1) instead of INTVAL (op1).
2018-01-19 Jakub Jelinek <jakub@redhat.com>
PR debug/81570
PR debug/83728
* dwarf2cfi.c (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define to
INCOMING_FRAME_SP_OFFSET if not defined.
(scan_trace): Add ENTRY argument. If true and
DEFAULT_INCOMING_FRAME_SP_OFFSET != INCOMING_FRAME_SP_OFFSET,
emit a note to adjust the CFA offset.
(create_cfi_notes): Adjust scan_trace callers.
(create_cie_data): Use DEFAULT_INCOMING_FRAME_SP_OFFSET rather than
INCOMING_FRAME_SP_OFFSET in the CIE.
* config/i386/i386.h (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define.
* config/stormy16/stormy16.h (DEFAULT_INCOMING_FRAME_SP_OFFSET):
Likewise.
* doc/tm.texi.in (DEFAULT_INCOMING_FRAME_SP_OFFSET): Document.
* doc/tm.texi: Regenerated.
2018-01-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR rtl-optimization/83147
* lra-constraints.c (remove_inheritance_pseudos): Use
lra_substitute_pseudo_within_insn.
2018-01-19 Tom de Vries <tom@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
PR target/83920
* config/nvptx/nvptx.c (nvptx_single): Fix jit workaround.
2018-01-19 Cesar Philippidis <cesar@codesourcery.com>
PR target/83790
* config/nvptx/nvptx.c (output_init_frag): Don't use generic address
spaces for function labels.
2018-01-19 Martin Liska <mliska@suse.cz>
* predict.def (PRED_LOOP_EXIT): Change from 85 to 89.
(PRED_LOOP_EXIT_WITH_RECURSION): Change from 72 to 78.
(PRED_LOOP_EXTRA_EXIT): Change from 83 to 67.
(PRED_OPCODE_POSITIVE): Change from 64 to 59.
(PRED_TREE_OPCODE_POSITIVE): Change from 64 to 59.
(PRED_CONST_RETURN): Change from 69 to 65.
(PRED_NULL_RETURN): Change from 91 to 71.
(PRED_LOOP_IV_COMPARE_GUESS): Change from 98 to 64.
(PRED_LOOP_GUARD): Change from 66 to 73.
2018-01-19 Martin Liska <mliska@suse.cz>
* predict.c (predict_insn_def): Add new assert.
(struct branch_predictor): Change type to signed integer.
(test_prediction_value_range): Amend test to cover
PROB_UNINITIALIZED.
* predict.def (PRED_LOOP_ITERATIONS): Use the new constant.
(PRED_LOOP_ITERATIONS_GUESSED): Likewise.
(PRED_LOOP_ITERATIONS_MAX): Likewise.
(PRED_LOOP_IV_COMPARE): Likewise.
* predict.h (PROB_UNINITIALIZED): Define new constant.
2018-01-19 Martin Liska <mliska@suse.cz>
* predict.c (dump_prediction): Add new format for
analyze_brprob.py script which is enabled with -details
suboption.
* profile-count.h (precise_p): New function.
2018-01-19 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83922
* tree-vect-loop.c (vect_verify_full_masking): Return false if
there are no statements that need masking.
(vect_active_double_reduction_p): New function.
(vect_analyze_loop_operations): Use it when handling phis that
are not in the loop header.
2018-01-19 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83914
* tree-vect-loop.c (vectorizable_induction): Don't convert
init_expr or apply the peeling adjustment for inductions
that are nested within the vectorized loop.
2018-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/thumb2.md (*thumb2_negsi2_short): Use RSB mnemonic
instead of NEG.
2018-01-18 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/81715
PR testsuite/83882
* function.h (gimplify_parameters): Add gimple_seq * argument.
* function.c: Include gimple.h and options.h.
(gimplify_parameters): Add cleanup argument, add CLOBBER stmts
for the added local temporaries if needed.
* gimplify.c (gimplify_body): Adjust gimplify_parameters caller,
if there are any parameter cleanups, wrap whole body into a
try/finally with the cleanups.
2018-01-18 Wilco Dijkstra <wdijkstr@arm.com>
PR target/82964
* config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
Use GET_MODE_CLASS for scalar floating point.
2018-01-18 Jan Hubicka <hubicka@ucw.cz>
PR ipa/82256
patch by PaX Team
* cgraphclones.c (cgraph_node::create_version_clone_with_body):
Fix call of call_cgraph_insertion_hooks.
2018-01-18 Martin Sebor <msebor@redhat.com>
* doc/invoke.texi (-Wclass-memaccess): Tweak text.
2018-01-18 Jan Hubicka <hubicka@ucw.cz>
PR ipa/83619
* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Update edge
frequencies.
2018-01-18 Boris Kolpackov <boris@codesynthesis.com>
PR other/70268
* common.opt: (-ffile-prefix-map): New option.
* opts.c (common_handle_option): Defer it.
* opts-global.c (handle_common_deferred_options): Handle it.
* debug.h (remap_debug_filename, add_debug_prefix_map): Move to...
* file-prefix-map.h: New file.
(remap_debug_filename, add_debug_prefix_map): ...here.
(add_macro_prefix_map, add_file_prefix_map, remap_macro_filename): New.
* final.c (debug_prefix_map, add_debug_prefix_map
remap_debug_filename): Move to...
* file-prefix-map.c: New file.
(file_prefix_map, add_prefix_map, remap_filename) ...here and rename,
generalize, get rid of alloca(), use strrchr() instead of strchr().
(add_macro_prefix_map, add_debug_prefix_map, add_file_prefix_map):
Implement in terms of add_prefix_map().
(remap_macro_filename, remap_debug_filename): Implement in term of
remap_filename().
* Makefile.in (OBJS, PLUGIN_HEADERS): Add new files.
* builtins.c (fold_builtin_FILE): Call remap_macro_filename().
* dbxout.c: Include file-prefix-map.h.
* varasm.c: Likewise.
* vmsdbgout.c: Likewise.
* xcoffout.c: Likewise.
* dwarf2out.c: Likewise plus omit new options from DW_AT_producer.
* doc/cppopts.texi (-fmacro-prefix-map): Document.
* doc/invoke.texi (-ffile-prefix-map): Document.
(-fdebug-prefix-map): Update description.
2018-01-18 Martin Liska <mliska@suse.cz>
* config/i386/i386.c (indirect_thunk_name): Document that also
lfence is emitted.
(output_indirect_thunk): Document why both instructions
(pause and lfence) are generated.
2018-01-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/83887
* graphite-scop-detection.c
(scop_detection::get_nearest_dom_with_single_entry): Remove.
(scop_detection::get_nearest_pdom_with_single_exit): Likewise.
(scop_detection::merge_sese): Re-implement with a flood-fill
algorithm that properly finds a SESE region if it exists.
2018-01-18 Jakub Jelinek <jakub@redhat.com>
PR c/61240
* match.pd ((P + A) - P, P - (P + A), (P + A) - (P + B)): For
pointer_diff optimizations use view_convert instead of convert.
2018-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
Generate different code for -mno-speculate-indirect-jumps.
(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
(*call_indirect_aix<mode>): Disable for
-mno-speculate-indirect-jumps.
(*call_indirect_aix<mode>_nospec): New define_insn.
(*call_value_indirect_aix<mode>): Disable for
-mno-speculate-indirect-jumps.
(*call_value_indirect_aix<mode>_nospec): New define_insn.
(*sibcall_nonlocal_sysv<mode>): Generate different code for
-mno-speculate-indirect-jumps.
(*sibcall_value_nonlocal_sysv<mode>): Likewise.
2018-01-17 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000.c (rs6000_emit_move): If we load or store a
long double type, set the flags for noting the default long double
type, even if we don't pass or return a long double type.
2018-01-17 Jan Hubicka <hubicka@ucw.cz>
PR ipa/83051
* ipa-inline.c (flatten_function): Do not overwrite final inlining
failure.
2018-01-17 Will Schmidt <will_schmidt@vnet.ibm.com>
* config/rs6000/rs6000.c (rs6000_gimple_builtin): Add gimple folding
support for merge[hl].
(fold_mergehl_helper): New helper function.
(tree-vector-builder.h): New #include for tree_vector_builder usage.
* config/rs6000/altivec.md (altivec_vmrghw_direct): Add xxmrghw insn.
(altivec_vmrglw_direct): Add xxmrglw insn.
2018-01-17 Andrew Waterman <andrew@sifive.com>
* config/riscv/riscv.c (riscv_conditional_register_usage): If
UNITS_PER_FP_ARG is 0, set call_used_regs to 1 for all FP regs.
2018-01-17 David Malcolm <dmalcolm@redhat.com>
PR lto/83121
* ipa-devirt.c (add_type_duplicate): When comparing memory layout,
call the lto_location_cache before reading the
DECL_SOURCE_LOCATION of the types.
2018-01-17 Wilco Dijkstra <wdijkstr@arm.com>
Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64.md (movti_aarch64): Use Uti constraint.
* config/aarch64/aarch64.c (aarch64_mov128_immediate): New function.
(aarch64_legitimate_constant_p): Just support CONST_DOUBLE
SF/DF/TF mode to avoid creating illegal CONST_WIDE_INT immediates.
* config/aarch64/aarch64-protos.h (aarch64_mov128_immediate):
Add declaration.
* config/aarch64/constraints.md (aarch64_movti_operand):
Limit immediates.
* config/aarch64/predicates.md (Uti): Add new constraint.
2018-01-17 Carl Love <cel@us.ibm.com>
* config/rs6000/vsx.md (define_expand xl_len_r,
define_expand stxvl, define_expand *stxvl): Add match_dup argument.
(define_insn): Add, match_dup 1 argument to define_insn stxvll and
lxvll.
(define_expand, define_insn): Move the shift left from the
define_insn to the define_expand for lxvl and stxvl instructions.
* config/rs6000/rs6000-builtin.def (BU_P9V_64BIT_VSX_2): Change LXVL
and XL_LEN_R definitions to PURE.
2018-01-17 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (indirect_thunk_name): Declare regno
as unsigned int. Compare regno with INVALID_REGNUM.
(output_indirect_thunk): Ditto.
(output_indirect_thunk_function): Ditto.
(ix86_code_end): Declare regno as unsigned int. Use INVALID_REGNUM
in the call to output_indirect_thunk_function.
2018-01-17 Richard Sandiford <richard.sandiford@linaro.org>
PR middle-end/83884
* expr.c (expand_expr_real_1): Use the size of GET_MODE (op0)
rather than the size of inner_type to determine the stack slot size
when handling VIEW_CONVERT_EXPRs on strict-alignment targets.
2018-01-16 Sebastian Peryt <sebastian.peryt@intel.com>
PR target/83546
* config/i386/i386.c (ix86_option_override_internal): Add PTA_RDRND
to PTA_SILVERMONT.
2018-01-16 Michael Meissner <meissner@linux.vnet.ibm.com>
* config.gcc (powerpc*-linux*-*): Add support for 64-bit little
endian Linux systems to optionally enable multilibs for selecting
the long double type if the user configured an explicit type.
* config/rs6000/rs6000.h (TARGET_IEEEQUAD_MULTILIB): Indicate we
have no long double multilibs if not defined.
* config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
warn if the user used -mabi={ieee,ibm}longdouble and we built
multilibs for long double.
* config/rs6000/linux64.h (MULTILIB_DEFAULTS_IEEE): Define as the
appropriate multilib option.
(MULTILIB_DEFAULTS): Add MULTILIB_DEFAULTS_IEEE to the default
multilib options.
* config/rs6000/t-ldouble-linux64le-ibm: New configuration files
for building long double multilibs.
* config/rs6000/t-ldouble-linux64le-ieee: Likewise.
2018-01-16 John David Anglin <danglin@gcc.gnu.org>
* config.gcc (hppa*-*-linux*): Change callee copies ABI to caller
copies.
* config/pa.h (MALLOC_ABI_ALIGNMENT): Set 32-bit alignment default to
64 bits.
* config/pa/pa32-linux.h (MALLOC_ABI_ALIGNMENT): Set alignment to
128 bits.
* config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Cleanup type and mode
variables.
* config/pa/pa.c (pa_function_arg_size): Apply CEIL to GET_MODE_SIZE
return value.
2018-01-16 Eric Botcazou <ebotcazou@adacore.com>
* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For an
ADDR_EXPR, do not count the offset of a COMPONENT_REF twice.
2018-01-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
* config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Generate
different rtl trees depending on TARGET_64BIT.
(rs6000_gen_lvx): Likewise.
2018-01-16 Eric Botcazou <ebotcazou@adacore.com>
* config/visium/visium.md (nop): Tweak comment.
(hazard_nop): Likewise.
2018-01-16 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000.c (rs6000_opt_vars): Add entry for
-mspeculate-indirect-jumps.
* config/rs6000/rs6000.md (*call_indirect_elfv2<mode>): Disable
for -mno-speculate-indirect-jumps.
(*call_indirect_elfv2<mode>_nospec): New define_insn.
(*call_value_indirect_elfv2<mode>): Disable for
-mno-speculate-indirect-jumps.
(*call_value_indirect_elfv2<mode>_nospec): New define_insn.
(indirect_jump): Emit different RTL for
-mno-speculate-indirect-jumps.
(*indirect_jump<mode>): Disable for
-mno-speculate-indirect-jumps.
(*indirect_jump<mode>_nospec): New define_insn.
(tablejump): Emit different RTL for
-mno-speculate-indirect-jumps.
(tablejumpsi): Disable for -mno-speculate-indirect-jumps.
(tablejumpsi_nospec): New define_expand.
(tablejumpdi): Disable for -mno-speculate-indirect-jumps.
(tablejumpdi_nospec): New define_expand.
(*tablejump<mode>_internal1): Disable for
-mno-speculate-indirect-jumps.
(*tablejump<mode>_internal1_nospec): New define_insn.
* config/rs6000/rs6000.opt (mspeculate-indirect-jumps): New
option.
2018-01-16 Artyom Skrobov tyomitch@gmail.com
* caller-save.c (insert_save): Drop unnecessary parameter. All
callers updated.
2018-01-16 Jakub Jelinek <jakub@redhat.com>
Richard Biener <rguenth@suse.de>
PR libgomp/83590
* gimplify.c (gimplify_one_sizepos): For is_gimple_constant (expr)
return early, inline manually is_gimple_sizepos. Make sure if we
call gimplify_expr we don't end up with a gimple constant.
* tree.c (variably_modified_type_p): Don't return true for
is_gimple_constant (_t). Inline manually is_gimple_sizepos.
* gimplify.h (is_gimple_sizepos): Remove.
2018-01-16 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83857
* tree-vect-loop.c (vect_analyze_loop_operations): Don't call
vectorizable_live_operation for pure SLP statements.
(vectorizable_live_operation): Handle PHIs.
2018-01-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/83867
* tree-vect-stmts.c (vect_transform_stmt): Precompute
nested_in_vect_loop_p since the scalar stmt may get invalidated.
2018-01-16 Jakub Jelinek <jakub@redhat.com>
PR c/83844
* stor-layout.c (handle_warn_if_not_align): Use byte_position and
multiple_of_p instead of unchecked tree_to_uhwi and UHWI check.
If off is not INTEGER_CST, issue a may not be aligned warning
rather than isn't aligned. Use isn%'t rather than isn't.
* fold-const.c (multiple_of_p) <case BIT_AND_EXPR>: Don't fall through
into MULT_EXPR.
<case MULT_EXPR>: Improve the case when bottom and one of the
MULT_EXPR operands are INTEGER_CSTs and bottom is multiple of that
operand, in that case check if the other operand is multiple of
bottom divided by the INTEGER_CST operand.
2018-01-16 Richard Sandiford <richard.sandiford@linaro.org>
PR target/83858
* config/pa/pa.h (FUNCTION_ARG_SIZE): Delete.
* config/pa/pa-protos.h (pa_function_arg_size): Declare.
* config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Use
pa_function_arg_size instead of FUNCTION_ARG_SIZE.
* config/pa/pa.c (pa_function_arg_advance): Likewise.
(pa_function_arg, pa_arg_partial_bytes): Likewise.
(pa_function_arg_size): New function.
2018-01-16 Richard Sandiford <richard.sandiford@linaro.org>
* fold-const.c (fold_ternary_loc): Construct the vec_perm_indices
in a separate statement.
2018-01-16 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83847
* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Don't
group gathers and scatters.
2018-01-16 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/86620
* params.def (max-sched-ready-insns): Bump minimum value to 1.
PR rtl-optimization/83213
* recog.c (peep2_attempt): Copy over CROSSING_JUMP_P from peepinsn
to last if both are JUMP_INSNs.
PR tree-optimization/83843
* gimple-ssa-store-merging.c
(imm_store_chain_info::output_merged_store): Handle bit_not_p on
store_immediate_info for bswap/nop orig_stores.
2018-01-15 Andrew Waterman <andrew@sifive.com>
* config/riscv/riscv.c (riscv_rtx_costs) <MULT>: Increase cost if
!TARGET_MUL.
<UDIV>: Increase cost if !TARGET_DIV.
2018-01-15 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (define_attr "type"): Remove delayed_cr.
(define_attr "cr_logical_3op"): New.
(cceq_ior_compare): Adjust.
(cceq_ior_compare_complement): Adjust.
(*cceq_rev_compare): Adjust.
* config/rs6000/rs6000.c (rs6000_adjust_cost): Adjust.
(is_cracked_insn): Adjust.
(insn_must_be_first_in_group): Adjust.
* config/rs6000/40x.md: Adjust.
* config/rs6000/440.md: Adjust.
* config/rs6000/476.md: Adjust.
* config/rs6000/601.md: Adjust.
* config/rs6000/603.md: Adjust.
* config/rs6000/6xx.md: Adjust.
* config/rs6000/7450.md: Adjust.
* config/rs6000/7xx.md: Adjust.
* config/rs6000/8540.md: Adjust.
* config/rs6000/cell.md: Adjust.
* config/rs6000/e300c2c3.md: Adjust.
* config/rs6000/e500mc.md: Adjust.
* config/rs6000/e500mc64.md: Adjust.
* config/rs6000/e5500.md: Adjust.
* config/rs6000/e6500.md: Adjust.
* config/rs6000/mpc.md: Adjust.
* config/rs6000/power4.md: Adjust.
* config/rs6000/power5.md: Adjust.
* config/rs6000/power6.md: Adjust.
* config/rs6000/power7.md: Adjust.
* config/rs6000/power8.md: Adjust.
* config/rs6000/power9.md: Adjust.
* config/rs6000/rs64.md: Adjust.
* config/rs6000/titan.md: Adjust.
2018-01-15 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/predicates.md (indirect_branch_operand): Rewrite
ix86_indirect_branch_register logic.
2018-01-15 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/constraints.md (Bs): Update
ix86_indirect_branch_register check. Don't check
ix86_indirect_branch_register with GOT_memory_operand.
(Bw): Likewise.
* config/i386/predicates.md (GOT_memory_operand): Don't check
ix86_indirect_branch_register here.
(GOT32_symbol_operand): Likewise.
2018-01-15 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/predicates.md (constant_call_address_operand):
Rewrite ix86_indirect_branch_register logic.
(sibcall_insn_operand): Likewise.
2018-01-15 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/constraints.md (Bs): Replace
ix86_indirect_branch_thunk_register with
ix86_indirect_branch_register.
(Bw): Likewise.
* config/i386/i386.md (indirect_jump): Likewise.
(tablejump): Likewise.
(*sibcall_memory): Likewise.
(*sibcall_value_memory): Likewise.
Peepholes of indirect call and jump via memory: Likewise.
* config/i386/i386.opt: Likewise.
* config/i386/predicates.md (indirect_branch_operand): Likewise.
(GOT_memory_operand): Likewise.
(call_insn_operand): Likewise.
(sibcall_insn_operand): Likewise.
(GOT32_symbol_operand): Likewise.
2018-01-15 Jakub Jelinek <jakub@redhat.com>
PR middle-end/83837
* omp-expand.c (expand_omp_atomic_pipeline): Use loaded_val
type rather than type addr's type points to.
(expand_omp_atomic_mutex): Likewise.
(expand_omp_atomic): Likewise.
2018-01-15 H.J. Lu <hongjiu.lu@intel.com>
PR target/83839
* config/i386/i386.c (output_indirect_thunk_function): Use
ASM_OUTPUT_LABEL, instead of ASM_OUTPUT_DEF, for TARGET_MACHO
for __x86_return_thunk.
2018-01-15 Richard Biener <rguenther@suse.de>
PR middle-end/83850
* expmed.c (extract_bit_field_1): Fix typo.
2018-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR target/83687
* config/arm/iterators.md (VF): New mode iterator.
* config/arm/neon.md (neon_vabd<mode>_2): Use the above.
Remove integer-related logic from pattern.
(neon_vabd<mode>_3): Likewise.
2018-01-15 Jakub Jelinek <jakub@redhat.com>
PR middle-end/82694
* common.opt (fstrict-overflow): No longer an alias.
(fwrapv-pointer): New option.
* tree.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED): Define
also for pointer types based on flag_wrapv_pointer.
* opts.c (common_handle_option) <case OPT_fstrict_overflow>: Set
opts->x_flag_wrap[pv] to !value, clear opts->x_flag_trapv if
opts->x_flag_wrapv got set.
* fold-const.c (fold_comparison, fold_binary_loc): Revert 2017-08-01
changes, just use TYPE_OVERFLOW_UNDEFINED on pointer type instead of
POINTER_TYPE_OVERFLOW_UNDEFINED.
* match.pd: Likewise in address comparison pattern.
* doc/invoke.texi: Document -fwrapv and -fstrict-overflow.
2018-01-15 Richard Biener <rguenther@suse.de>
PR lto/83804
* tree.c (free_lang_data_in_type): Always unlink TYPE_DECLs
from TYPE_FIELDS. Free TYPE_BINFO if not used by devirtualization.
Reset type names to their identifier if their TYPE_DECL doesn't
have linkage (and thus is used for ODR and devirt).
(save_debug_info_for_decl): Remove.
(save_debug_info_for_type): Likewise.
(add_tree_to_fld_list): Adjust.
* tree-pretty-print.c (dump_generic_node): Make dumping of
type names more robust.
2018-01-15 Richard Biener <rguenther@suse.de>
* BASE-VER: Bump to 8.0.1.
2018-01-14 Martin Sebor <msebor@redhat.com>
PR other/83508
* builtins.c (check_access): Avoid warning when the no-warning bit
is set.
2018-01-14 Cory Fields <cory-nospam-@coryfields.com>
* tree-ssa-loop-im.c (sort_bbs_in_loop_postorder_cmp): Stabilize sort.
* ira-color (allocno_hard_regs_compare): Likewise.
2018-01-14 Nathan Rossi <nathan@nathanrossi.com>
PR target/83013
* config/microblaze/microblaze.c (microblaze_asm_output_ident):
Use .pushsection/.popsection.
2018-01-14 Martin Sebor <msebor@redhat.com>
PR c++/81327
* doc/invoke.texi (-Wlass-memaccess): Document suppression by casting.
2018-01-14 Jakub Jelinek <jakub@redhat.com>
* config.gcc (i[34567]86-*-*): Remove one duplicate gfniintrin.h
entry from extra_headers.
(x86_64-*-*): Remove two duplicate gfniintrin.h entries from
extra_headers, make the list bitwise identical to the i?86-*-* one.
2018-01-14 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_set_indirect_branch_type): Disallow
-mcmodel=large with -mindirect-branch=thunk,
-mindirect-branch=thunk-extern, -mfunction-return=thunk and
-mfunction-return=thunk-extern.
* doc/invoke.texi: Document -mcmodel=large is incompatible with
-mindirect-branch=thunk, -mindirect-branch=thunk-extern,
-mfunction-return=thunk and -mfunction-return=thunk-extern.
2018-01-14 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (print_reg): Print the name of the full
integer register without '%'.
(ix86_print_operand): Handle 'V'.
* doc/extend.texi: Document 'V' modifier.
2018-01-14 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/constraints.md (Bs): Disallow memory operand for
-mindirect-branch-register.
(Bw): Likewise.
* config/i386/predicates.md (indirect_branch_operand): Likewise.
(GOT_memory_operand): Likewise.
(call_insn_operand): Likewise.
(sibcall_insn_operand): Likewise.
(GOT32_symbol_operand): Likewise.
* config/i386/i386.md (indirect_jump): Call convert_memory_address
for -mindirect-branch-register.
(tablejump): Likewise.
(*sibcall_memory): Likewise.
(*sibcall_value_memory): Likewise.
Disallow peepholes of indirect call and jump via memory for
-mindirect-branch-register.
(*call_pop): Replace m with Bw.
(*call_value_pop): Likewise.
(*sibcall_pop_memory): Replace m with Bs.
* config/i386/i386.opt (mindirect-branch-register): New option.
* doc/invoke.texi: Document -mindirect-branch-register option.
2018-01-14 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386-protos.h (ix86_output_function_return): New.
* config/i386/i386.c (ix86_set_indirect_branch_type): Also
set function_return_type.
(indirect_thunk_name): Add ret_p to indicate thunk for function
return.
(output_indirect_thunk_function): Pass false to
indirect_thunk_name.
(ix86_output_indirect_branch_via_reg): Likewise.
(ix86_output_indirect_branch_via_push): Likewise.
(output_indirect_thunk_function): Create alias for function
return thunk if regno < 0.
(ix86_output_function_return): New function.
(ix86_handle_fndecl_attribute): Handle function_return.
(ix86_attribute_table): Add function_return.
* config/i386/i386.h (machine_function): Add
function_return_type.
* config/i386/i386.md (simple_return_internal): Use
ix86_output_function_return.
(simple_return_internal_long): Likewise.
* config/i386/i386.opt (mfunction-return=): New option.
(indirect_branch): Mention -mfunction-return=.
* doc/extend.texi: Document function_return function attribute.
* doc/invoke.texi: Document -mfunction-return= option.
2018-01-14 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386-opts.h (indirect_branch): New.
* config/i386/i386-protos.h (ix86_output_indirect_jmp): Likewise.
* config/i386/i386.c (ix86_using_red_zone): Disallow red-zone
with local indirect jump when converting indirect call and jump.
(ix86_set_indirect_branch_type): New.
(ix86_set_current_function): Call ix86_set_indirect_branch_type.
(indirectlabelno): New.
(indirect_thunk_needed): Likewise.
(indirect_thunk_bnd_needed): Likewise.
(indirect_thunks_used): Likewise.
(indirect_thunks_bnd_used): Likewise.
(INDIRECT_LABEL): Likewise.
(indirect_thunk_name): Likewise.
(output_indirect_thunk): Likewise.
(output_indirect_thunk_function): Likewise.
(ix86_output_indirect_branch_via_reg): Likewise.
(ix86_output_indirect_branch_via_push): Likewise.
(ix86_output_indirect_branch): Likewise.
(ix86_output_indirect_jmp): Likewise.
(ix86_code_end): Call output_indirect_thunk_function if needed.
(ix86_output_call_insn): Call ix86_output_indirect_branch if
needed.
(ix86_handle_fndecl_attribute): Handle indirect_branch.
(ix86_attribute_table): Add indirect_branch.
* config/i386/i386.h (machine_function): Add indirect_branch_type
and has_local_indirect_jump.
* config/i386/i386.md (indirect_jump): Set has_local_indirect_jump
to true.
(tablejump): Likewise.
(*indirect_jump): Use ix86_output_indirect_jmp.
(*tablejump_1): Likewise.
(simple_return_indirect_internal): Likewise.
* config/i386/i386.opt (mindirect-branch=): New option.
(indirect_branch): New.
(keep): Likewise.
(thunk): Likewise.
(thunk-inline): Likewise.
(thunk-extern): Likewise.
* doc/extend.texi: Document indirect_branch function attribute.
* doc/invoke.texi: Document -mindirect-branch= option.
2018-01-14 Jan Hubicka <hubicka@ucw.cz>
PR ipa/83051
* ipa-inline.c (edge_badness): Tolerate roundoff errors.
2018-01-14 Richard Sandiford <richard.sandiford@linaro.org>
* ipa-inline.c (want_inline_small_function_p): Return false if
inlining has already failed with CIF_FINAL_ERROR.
(update_caller_keys): Call want_inline_small_function_p before
can_inline_edge_p.
(update_callee_keys): Likewise.
2018-01-10 Kelvin Nilsen <kelvin@gcc.gnu.org>
* config/rs6000/rs6000-p8swap.c (rs6000_sum_of_two_registers_p):
New function.
(rs6000_quadword_masked_address_p): Likewise.
(quad_aligned_load_p): Likewise.
(quad_aligned_store_p): Likewise.
(const_load_sequence_p): Add comment to describe the outer-most loop.
(mimic_memory_attributes_and_flags): New function.
(rs6000_gen_stvx): Likewise.
(replace_swapped_aligned_store): Likewise.
(rs6000_gen_lvx): Likewise.
(replace_swapped_aligned_load): Likewise.
(replace_swapped_load_constant): Capitalize argument name in
comment describing this function.
(rs6000_analyze_swaps): Add a third pass to search for vector loads
and stores that access quad-word aligned addresses and replace
with stvx or lvx instructions when appropriate.
* config/rs6000/rs6000-protos.h (rs6000_sum_of_two_registers_p):
New function prototype.
(rs6000_quadword_masked_address_p): Likewise.
(rs6000_gen_lvx): Likewise.
(rs6000_gen_stvx): Likewise.
* config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): For modes
VSX_D (V2DF, V2DI), modify this split to select lvx instruction
when memory address is aligned.
(*vsx_le_perm_load_<mode>): For modes VSX_W (V4SF, V4SI), modify
this split to select lvx instruction when memory address is aligned.
(*vsx_le_perm_load_v8hi): Modify this split to select lvx
instruction when memory address is aligned.
(*vsx_le_perm_load_v16qi): Likewise.
(four unnamed splitters): Modify to select the stvx instruction
when memory is aligned.
2018-01-13 Jan Hubicka <hubicka@ucw.cz>
* predict.c (determine_unlikely_bbs): Handle correctly BBs
which appears in the queue multiple times.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vectorizer.h (vec_lower_bound): New structure.
(_loop_vec_info): Add check_nonzero and lower_bounds.
(LOOP_VINFO_CHECK_NONZERO): New macro.
(LOOP_VINFO_LOWER_BOUNDS): Likewise.
(LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Check lower_bounds too.
* tree-data-ref.h (dr_with_seg_len): Add access_size and align
fields. Make seg_len the distance travelled, not including the
access size.
(dr_direction_indicator): Declare.
(dr_zero_step_indicator): Likewise.
(dr_known_forward_stride_p): Likewise.
* tree-data-ref.c: Include stringpool.h, tree-vrp.h and
tree-ssanames.h.
(runtime_alias_check_p): Allow runtime alias checks with
variable strides.
(operator ==): Compare access_size and align.
(prune_runtime_alias_test_list): Rework for new distinction between
the access_size and seg_len.
(create_intersect_range_checks_index): Likewise. Cope with polynomial
segment lengths.
(get_segment_min_max): New function.
(create_intersect_range_checks): Use it.
(dr_step_indicator): New function.
(dr_direction_indicator): Likewise.
(dr_zero_step_indicator): Likewise.
(dr_known_forward_stride_p): Likewise.
* tree-loop-distribution.c (data_ref_segment_size): Return
DR_STEP * (niters - 1).
(compute_alias_check_pairs): Update call to the dr_with_seg_len
constructor.
* tree-vect-data-refs.c (vect_check_nonzero_value): New function.
(vect_preserves_scalar_order_p): New function, split out from...
(vect_analyze_data_ref_dependence): ...here. Check for zero steps.
(vect_vfa_segment_size): Return DR_STEP * (length_factor - 1).
(vect_vfa_access_size): New function.
(vect_vfa_align): Likewise.
(vect_compile_time_alias): Take access_size_a and access_b arguments.
(dump_lower_bound): New function.
(vect_check_lower_bound): Likewise.
(vect_small_gap_p): Likewise.
(vectorizable_with_step_bound_p): Likewise.
(vect_prune_runtime_alias_test_list): Ignore cross-iteration
depencies if the vectorization factor is 1. Convert the checks
for nonzero steps into checks on the bounds of DR_STEP. Try using
a bunds check for variable steps if the minimum required step is
relatively small. Update calls to the dr_with_seg_len
constructor and to vect_compile_time_alias.
* tree-vect-loop-manip.c (vect_create_cond_for_lower_bounds): New
function.
(vect_loop_versioning): Call it.
* tree-vect-loop.c (vect_analyze_loop_2): Clear LOOP_VINFO_LOWER_BOUNDS
when retrying.
(vect_estimate_min_profitable_iters): Account for any bounds checks.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/sourcebuild.texi (vect_scatter_store): Document.
* optabs.def (scatter_store_optab, mask_scatter_store_optab): New
optabs.
* doc/md.texi (scatter_store@var{m}, mask_scatter_store@var{m}):
Document.
* genopinit.c (main): Add supports_vec_scatter_store and
supports_vec_scatter_store_cached to target_optabs.
* gimple.h (gimple_expr_type): Handle IFN_SCATTER_STORE and
IFN_MASK_SCATTER_STORE.
* internal-fn.def (SCATTER_STORE, MASK_SCATTER_STORE): New internal
functions.
* internal-fn.h (internal_store_fn_p): Declare.
(internal_fn_stored_value_index): Likewise.
* internal-fn.c (scatter_store_direct): New macro.
(expand_scatter_store_optab_fn): New function.
(direct_scatter_store_optab_supported_p): New macro.
(internal_store_fn_p): New function.
(internal_gather_scatter_fn_p): Handle IFN_SCATTER_STORE and
IFN_MASK_SCATTER_STORE.
(internal_fn_mask_index): Likewise.
(internal_fn_stored_value_index): New function.
(internal_gather_scatter_fn_supported_p): Adjust operand numbers
for scatter stores.
* optabs-query.h (supports_vec_scatter_store_p): Declare.
* optabs-query.c (supports_vec_scatter_store_p): New function.
* tree-vectorizer.h (vect_get_store_rhs): Declare.
* tree-vect-data-refs.c (vect_analyze_data_ref_access): Return
true for scatter stores.
(vect_gather_scatter_fn_p): Handle scatter stores too.
(vect_check_gather_scatter): Consider using scatter stores if
supports_vec_scatter_store_p.
* tree-vect-patterns.c (vect_try_gather_scatter_pattern): Handle
scatter stores too.
* tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use
internal_fn_stored_value_index.
(check_load_store_masking): Handle scatter stores too.
(vect_get_store_rhs): Make public.
(vectorizable_call): Use internal_store_fn_p.
(vectorizable_store): Handle scatter store internal functions.
(vect_transform_stmt): Compare GROUP_STORE_COUNT with GROUP_SIZE
when deciding whether the end of the group has been reached.
* config/aarch64/aarch64.md (UNSPEC_ST1_SCATTER): New unspec.
* config/aarch64/aarch64-sve.md (scatter_store<mode>): New expander.
(mask_scatter_store<mode>): New insns.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vectorizer.h (vect_gather_scatter_fn_p): Declare.
* tree-vect-data-refs.c (vect_gather_scatter_fn_p): Make public.
* tree-vect-stmts.c (vect_truncate_gather_scatter_offset): New
function.
(vect_use_strided_gather_scatters_p): Take a masked_p argument.
Use vect_truncate_gather_scatter_offset if we can't treat the
operation as a normal gather load or scatter store.
(get_group_load_store_type): Take the gather_scatter_info
as argument. Try using a gather load or scatter store for
single-element groups.
(get_load_store_type): Update calls to get_group_load_store_type
and vect_use_strided_gather_scatters_p.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vectorizer.h (vect_create_data_ref_ptr): Take an extra
optional tree argument.
* tree-vect-data-refs.c (vect_check_gather_scatter): Check for
null target hooks.
(vect_create_data_ref_ptr): Take the iv_step as an optional argument,
but continue to use the current value as a fallback.
(bump_vector_ptr): Use operand_equal_p rather than tree_int_cst_compare
to compare the updates.
* tree-vect-stmts.c (vect_use_strided_gather_scatters_p): New function.
(get_load_store_type): Use it when handling a strided access.
(vect_get_strided_load_store_ops): New function.
(vect_get_data_ptr_increment): Likewise.
(vectorizable_load): Handle strided gather loads. Always pass
a step to vect_create_data_ref_ptr and bump_vector_ptr.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/md.texi (gather_load@var{m}): Document.
(mask_gather_load@var{m}): Likewise.
* genopinit.c (main): Add supports_vec_gather_load and
supports_vec_gather_load_cached to target_optabs.
* optabs-tree.c (init_tree_optimization_optabs): Use
ggc_cleared_alloc to allocate target_optabs.
* optabs.def (gather_load_optab, mask_gather_laod_optab): New optabs.
* internal-fn.def (GATHER_LOAD, MASK_GATHER_LOAD): New internal
functions.
* internal-fn.h (internal_load_fn_p): Declare.
(internal_gather_scatter_fn_p): Likewise.
(internal_fn_mask_index): Likewise.
(internal_gather_scatter_fn_supported_p): Likewise.
* internal-fn.c (gather_load_direct): New macro.
(expand_gather_load_optab_fn): New function.
(direct_gather_load_optab_supported_p): New macro.
(direct_internal_fn_optab): New function.
(internal_load_fn_p): Likewise.
(internal_gather_scatter_fn_p): Likewise.
(internal_fn_mask_index): Likewise.
(internal_gather_scatter_fn_supported_p): Likewise.
* optabs-query.c (supports_at_least_one_mode_p): New function.
(supports_vec_gather_load_p): Likewise.
* optabs-query.h (supports_vec_gather_load_p): Declare.
* tree-vectorizer.h (gather_scatter_info): Add ifn, element_type
and memory_type field.
(NUM_PATTERNS): Bump to 15.
* tree-vect-data-refs.c: Include internal-fn.h.
(vect_gather_scatter_fn_p): New function.
(vect_describe_gather_scatter_call): Likewise.
(vect_check_gather_scatter): Try using internal functions for
gather loads. Recognize existing calls to a gather load function.
(vect_analyze_data_refs): Consider using gather loads if
supports_vec_gather_load_p.
* tree-vect-patterns.c (vect_get_load_store_mask): New function.
(vect_get_gather_scatter_offset_type): Likewise.
(vect_convert_mask_for_vectype): Likewise.
(vect_add_conversion_to_patterm): Likewise.
(vect_try_gather_scatter_pattern): Likewise.
(vect_recog_gather_scatter_pattern): New pattern recognizer.
(vect_vect_recog_func_ptrs): Add it.
* tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use
internal_fn_mask_index and internal_gather_scatter_fn_p.
(check_load_store_masking): Take the gather_scatter_info as an
argument and handle gather loads.
(vect_get_gather_scatter_ops): New function.
(vectorizable_call): Check internal_load_fn_p.
(vectorizable_load): Likewise. Handle gather load internal
functions.
(vectorizable_store): Update call to check_load_store_masking.
* config/aarch64/aarch64.md (UNSPEC_LD1_GATHER): New unspec.
* config/aarch64/iterators.md (SVE_S, SVE_D): New mode iterators.
* config/aarch64/predicates.md (aarch64_gather_scale_operand_w)
(aarch64_gather_scale_operand_d): New predicates.
* config/aarch64/aarch64-sve.md (gather_load<mode>): New expander.
(mask_gather_load<mode>): New insns.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* optabs.def (fold_left_plus_optab): New optab.
* doc/md.texi (fold_left_plus_@var{m}): Document.
* internal-fn.def (IFN_FOLD_LEFT_PLUS): New internal function.
* internal-fn.c (fold_left_direct): Define.
(expand_fold_left_optab_fn): Likewise.
(direct_fold_left_optab_supported_p): Likewise.
* fold-const-call.c (fold_const_fold_left): New function.
(fold_const_call): Use it to fold CFN_FOLD_LEFT_PLUS.
* tree-parloops.c (valid_reduction_p): New function.
(gather_scalar_reductions): Use it.
* tree-vectorizer.h (FOLD_LEFT_REDUCTION): New vect_reduction_type.
(vect_finish_replace_stmt): Declare.
* tree-vect-loop.c (fold_left_reduction_fn): New function.
(needs_fold_left_reduction_p): New function, split out from...
(vect_is_simple_reduction): ...here. Accept reductions that
forbid reassociation, but give them type FOLD_LEFT_REDUCTION.
(vect_force_simple_reduction): Also store the reduction type in
the assignment's STMT_VINFO_REDUC_TYPE.
(vect_model_reduction_cost): Handle FOLD_LEFT_REDUCTION.
(merge_with_identity): New function.
(vect_expand_fold_left): Likewise.
(vectorize_fold_left_reduction): Likewise.
(vectorizable_reduction): Handle FOLD_LEFT_REDUCTION. Leave the
scalar phi in place for it. Check for target support and reject
cases that would reassociate the operation. Defer the transform
phase to vectorize_fold_left_reduction.
* config/aarch64/aarch64.md (UNSPEC_FADDA): New unspec.
* config/aarch64/aarch64-sve.md (fold_left_plus_<mode>): New expander.
(*fold_left_plus_<mode>, *pred_fold_left_plus_<mode>): New insns.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
* tree-if-conv.c (predicate_mem_writes): Remove redundant
call to ifc_temp_var.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* target.def (legitimize_address_displacement): Take the original
offset as a poly_int.
* targhooks.h (default_legitimize_address_displacement): Update
accordingly.
* targhooks.c (default_legitimize_address_displacement): Likewise.
* doc/tm.texi: Regenerate.
* lra-constraints.c (base_plus_disp_to_reg): Take the displacement
as an argument, moving assert of ad->disp == ad->disp_term to...
(process_address_1): ...here. Update calls to base_plus_disp_to_reg.
Try calling targetm.legitimize_address_displacement before expanding
the address rather than afterwards, and adjust for the new interface.
* config/aarch64/aarch64.c (aarch64_legitimize_address_displacement):
Match the new hook interface. Handle SVE addresses.
* config/sh/sh.c (sh_legitimize_address_displacement): Make the
new hook interface.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
* Makefile.in (OBJS): Add early-remat.o.
* target.def (select_early_remat_modes): New hook.
* doc/tm.texi.in (TARGET_SELECT_EARLY_REMAT_MODES): New hook.
* doc/tm.texi: Regenerate.
* targhooks.h (default_select_early_remat_modes): Declare.
* targhooks.c (default_select_early_remat_modes): New function.
* timevar.def (TV_EARLY_REMAT): New timevar.
* passes.def (pass_early_remat): New pass.
* tree-pass.h (make_pass_early_remat): Declare.
* early-remat.c: New file.
* config/aarch64/aarch64.c (aarch64_select_early_remat_modes): New
function.
(TARGET_SELECT_EARLY_REMAT_MODES): Define.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Replace
vfm1 with a bound_epilog parameter.
(vect_do_peeling): Update calls accordingly, and move the prologue
call earlier in the function. Treat the base bound_epilog as 0 for
fully-masked loops and retain vf - 1 for other loops. Add 1 to
this base when peeling for gaps.
* tree-vect-loop.c (vect_analyze_loop_2): Allow peeling for gaps
with fully-masked loops.
(vect_estimate_min_profitable_iters): Handle the single peeled
iteration in that case.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-data-refs.c (vect_analyze_group_access_1): Allow
single-element interleaving even if the size is not a power of 2.
* tree-vect-stmts.c (get_load_store_type): Disallow elementwise
accesses for single-element interleaving if the group size is
not a power of 2.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/md.texi (fold_extract_last_@var{m}): Document.
* doc/sourcebuild.texi (vect_fold_extract_last): Likewise.
* optabs.def (fold_extract_last_optab): New optab.
* internal-fn.def (FOLD_EXTRACT_LAST): New internal function.
* internal-fn.c (fold_extract_direct): New macro.
(expand_fold_extract_optab_fn): Likewise.
(direct_fold_extract_optab_supported_p): Likewise.
* tree-vectorizer.h (EXTRACT_LAST_REDUCTION): New vect_reduction_type.
* tree-vect-loop.c (vect_model_reduction_cost): Handle
EXTRACT_LAST_REDUCTION.
(get_initial_def_for_reduction): Do not create an initial vector
for EXTRACT_LAST_REDUCTION reductions.
(vectorizable_reduction): Leave the scalar phi in place for
EXTRACT_LAST_REDUCTIONs. Try using EXTRACT_LAST_REDUCTION
ahead of INTEGER_INDUC_COND_REDUCTION. Do not check for an
epilogue code for EXTRACT_LAST_REDUCTION and defer the
transform phase to vectorizable_condition.
* tree-vect-stmts.c (vect_finish_stmt_generation_1): New function,
split out from...
(vect_finish_stmt_generation): ...here.
(vect_finish_replace_stmt): New function.
(vectorizable_condition): Handle EXTRACT_LAST_REDUCTION.
* config/aarch64/aarch64-sve.md (fold_extract_last_<mode>): New
pattern.
* config/aarch64/aarch64.md (UNSPEC_CLASTB): New unspec.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/md.texi (extract_last_@var{m}): Document.
* optabs.def (extract_last_optab): New optab.
* internal-fn.def (EXTRACT_LAST): New internal function.
* internal-fn.c (cond_unary_direct): New macro.
(expand_cond_unary_optab_fn): Likewise.
(direct_cond_unary_optab_supported_p): Likewise.
* tree-vect-loop.c (vectorizable_live_operation): Allow fully-masked
loops using EXTRACT_LAST.
* config/aarch64/aarch64-sve.md (aarch64_sve_lastb<mode>): Rename to...
(extract_last_<mode>): ...this optab.
(vec_extract<mode><Vel>): Update accordingly.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* target.def (empty_mask_is_expensive): New hook.
* doc/tm.texi.in (TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): New hook.
* doc/tm.texi: Regenerate.
* targhooks.h (default_empty_mask_is_expensive): Declare.
* targhooks.c (default_empty_mask_is_expensive): New function.
* tree-vectorizer.c (vectorize_loops): Only call optimize_mask_stores
if the target says that empty masks are expensive.
* config/aarch64/aarch64.c (aarch64_empty_mask_is_expensive):
New function.
(TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): Redefine.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vectorizer.h (_loop_vec_info::mask_skip_niters): New field.
(LOOP_VINFO_MASK_SKIP_NITERS): New macro.
(vect_use_loop_mask_for_alignment_p): New function.
(vect_prepare_for_masked_peels, vect_gen_while_not): Declare.
* tree-vect-loop-manip.c (vect_set_loop_masks_directly): Add an
niters_skip argument. Make sure that the first niters_skip elements
of the first iteration are inactive.
(vect_set_loop_condition_masked): Handle LOOP_VINFO_MASK_SKIP_NITERS.
Update call to vect_set_loop_masks_directly.
(get_misalign_in_elems): New function, split out from...
(vect_gen_prolog_loop_niters): ...here.
(vect_update_init_of_dr): Take a code argument that specifies whether
the adjustment should be added or subtracted.
(vect_update_init_of_drs): Likewise.
(vect_prepare_for_masked_peels): New function.
(vect_do_peeling): Skip prologue peeling if we're using a mask
instead. Update call to vect_update_inits_of_drs.
* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
mask_skip_niters.
(vect_analyze_loop_2): Allow fully-masked loops with peeling for
alignment. Do not include the number of peeled iterations in
the minimum threshold in that case.
(vectorizable_induction): Adjust the start value down by
LOOP_VINFO_MASK_SKIP_NITERS iterations.
(vect_transform_loop): Call vect_prepare_for_masked_peels.
Take the number of skipped iterations into account when calculating
the loop bounds.
* tree-vect-stmts.c (vect_gen_while_not): New function.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/sourcebuild.texi (vect_fully_masked): Document.
* params.def (PARAM_MIN_VECT_LOOP_BOUND): Change minimum and
default value to 0.
* tree-vect-loop.c (vect_analyze_loop_costing): New function,
split out from...
(vect_analyze_loop_2): ...here. Don't check the vectorization
factor against the number of loop iterations if the loop is
fully-masked.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-ssa-loop-ivopts.c (USE_ADDRESS): Split into...
(USE_REF_ADDRESS, USE_PTR_ADDRESS): ...these new use types.
(dump_groups): Update accordingly.
(iv_use::mem_type): New member variable.
(address_p): New function.
(record_use): Add a mem_type argument and initialize the new
mem_type field.
(record_group_use): Add a mem_type argument. Use address_p.
Remove obsolete null checks of base_object. Update call to record_use.
(find_interesting_uses_op): Update call to record_group_use.
(find_interesting_uses_cond): Likewise.
(find_interesting_uses_address): Likewise.
(get_mem_type_for_internal_fn): New function.
(find_address_like_use): Likewise.
(find_interesting_uses_stmt): Try find_address_like_use before
calling find_interesting_uses_op.
(addr_offset_valid_p): Use the iv mem_type field as the type
of the addressed memory.
(add_autoinc_candidates): Likewise.
(get_address_cost): Likewise.
(split_small_address_groups_p): Use address_p.
(split_address_groups): Likewise.
(add_iv_candidate_for_use): Likewise.
(autoinc_possible_for_pair): Likewise.
(rewrite_groups): Likewise.
(get_use_type): Check for USE_REF_ADDRESS instead of USE_ADDRESS.
(determine_group_iv_cost): Update after split of USE_ADDRESS.
(get_alias_ptr_type_for_ptr_address): New function.
(rewrite_use_address): Rewrite address uses in calls that were
identified by find_address_like_use.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* expr.c (expand_expr_addr_expr_1): Handle ADDR_EXPRs of
TARGET_MEM_REFs.
* gimple-expr.h (is_gimple_addressable: Likewise.
* gimple-expr.c (is_gimple_address): Likewise.
* internal-fn.c (expand_call_mem_ref): New function.
(expand_mask_load_optab_fn): Use it.
(expand_mask_store_optab_fn): Likewise.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/md.texi (cond_add@var{mode}, cond_sub@var{mode})
(cond_and@var{mode}, cond_ior@var{mode}, cond_xor@var{mode})
(cond_smin@var{mode}, cond_smax@var{mode}, cond_umin@var{mode})
(cond_umax@var{mode}): Document.
* optabs.def (cond_add_optab, cond_sub_optab, cond_and_optab)
(cond_ior_optab, cond_xor_optab, cond_smin_optab, cond_smax_optab)
(cond_umin_optab, cond_umax_optab): New optabs.
* internal-fn.def (COND_ADD, COND_SUB, COND_MIN, COND_MAX, COND_AND)
(COND_IOR, COND_XOR): New internal functions.
* internal-fn.h (get_conditional_internal_fn): Declare.
* internal-fn.c (cond_binary_direct): New macro.
(expand_cond_binary_optab_fn): Likewise.
(direct_cond_binary_optab_supported_p): Likewise.
(get_conditional_internal_fn): New function.
* tree-vect-loop.c (vectorizable_reduction): Handle fully-masked loops.
Cope with reduction statements that are vectorized as calls rather
than assignments.
* config/aarch64/aarch64-sve.md (cond_<optab><mode>): New insns.
* config/aarch64/iterators.md (UNSPEC_COND_ADD, UNSPEC_COND_SUB)
(UNSPEC_COND_SMAX, UNSPEC_COND_UMAX, UNSPEC_COND_SMIN)
(UNSPEC_COND_UMIN, UNSPEC_COND_AND, UNSPEC_COND_ORR)
(UNSPEC_COND_EOR): New unspecs.
(optab): Add mappings for them.
(SVE_COND_INT_OP, SVE_COND_FP_OP): New int iterators.
(sve_int_op, sve_fp_op): New int attributes.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* optabs.def (while_ult_optab): New optab.
* doc/md.texi (while_ult@var{m}@var{n}): Document.
* internal-fn.def (WHILE_ULT): New internal function.
* internal-fn.h (direct_internal_fn_supported_p): New override
that takes two types as argument.
* internal-fn.c (while_direct): New macro.
(expand_while_optab_fn): New function.
(convert_optab_supported_p): Likewise.
(direct_while_optab_supported_p): New macro.
* wide-int.h (wi::udiv_ceil): New function.
* tree-vectorizer.h (rgroup_masks): New structure.
(vec_loop_masks): New typedef.
(_loop_vec_info): Add masks, mask_compare_type, can_fully_mask_p
and fully_masked_p.
(LOOP_VINFO_CAN_FULLY_MASK_P, LOOP_VINFO_FULLY_MASKED_P)
(LOOP_VINFO_MASKS, LOOP_VINFO_MASK_COMPARE_TYPE): New macros.
(vect_max_vf): New function.
(slpeel_make_loop_iterate_ntimes): Delete.
(vect_set_loop_condition, vect_get_loop_mask_type, vect_gen_while)
(vect_halve_mask_nunits, vect_double_mask_nunits): Declare.
(vect_record_loop_mask, vect_get_loop_mask): Likewise.
* tree-vect-loop-manip.c: Include tree-ssa-loop-niter.h,
internal-fn.h, stor-layout.h and optabs-query.h.
(vect_set_loop_mask): New function.
(add_preheader_seq): Likewise.
(add_header_seq): Likewise.
(interleave_supported_p): Likewise.
(vect_maybe_permute_loop_masks): Likewise.
(vect_set_loop_masks_directly): Likewise.
(vect_set_loop_condition_masked): Likewise.
(vect_set_loop_condition_unmasked): New function, split out from
slpeel_make_loop_iterate_ntimes.
(slpeel_make_loop_iterate_ntimes): Rename to..
(vect_set_loop_condition): ...this. Use vect_set_loop_condition_masked
for fully-masked loops and vect_set_loop_condition_unmasked otherwise.
(vect_do_peeling): Update call accordingly.
(vect_gen_vector_loop_niters): Use VF as the step for fully-masked
loops.
* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
mask_compare_type, can_fully_mask_p and fully_masked_p.
(release_vec_loop_masks): New function.
(_loop_vec_info): Use it to free the loop masks.
(can_produce_all_loop_masks_p): New function.
(vect_get_max_nscalars_per_iter): Likewise.
(vect_verify_full_masking): Likewise.
(vect_analyze_loop_2): Save LOOP_VINFO_CAN_FULLY_MASK_P around
retries, and free the mask rgroups before retrying. Check loop-wide
reasons for disallowing fully-masked loops. Make the final decision
about whether use a fully-masked loop or not.
(vect_estimate_min_profitable_iters): Do not assume that peeling
for the number of iterations will be needed for fully-masked loops.
(vectorizable_reduction): Disable fully-masked loops.
(vectorizable_live_operation): Likewise.
(vect_halve_mask_nunits): New function.
(vect_double_mask_nunits): Likewise.
(vect_record_loop_mask): Likewise.
(vect_get_loop_mask): Likewise.
(vect_transform_loop): Handle the case in which the final loop
iteration might handle a partial vector. Call vect_set_loop_condition
instead of slpeel_make_loop_iterate_ntimes.
* tree-vect-stmts.c: Include tree-ssa-loop-niter.h and gimple-fold.h.
(check_load_store_masking): New function.
(prepare_load_store_mask): Likewise.
(vectorizable_store): Handle fully-masked loops.
(vectorizable_load): Likewise.
(supportable_widening_operation): Use vect_halve_mask_nunits for
booleans.
(supportable_narrowing_operation): Likewise vect_double_mask_nunits.
(vect_gen_while): New function.
* config/aarch64/aarch64.md (umax<mode>3): New expander.
(aarch64_uqdec<mode>): New insn.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* optabs.def (reduc_and_scal_optab, reduc_ior_scal_optab)
(reduc_xor_scal_optab): New optabs.
* doc/md.texi (reduc_and_scal_@var{m}, reduc_ior_scal_@var{m})
(reduc_xor_scal_@var{m}): Document.
* doc/sourcebuild.texi (vect_logical_reduc): Likewise.
* internal-fn.def (IFN_REDUC_AND, IFN_REDUC_IOR, IFN_REDUC_XOR): New
internal functions.
* fold-const-call.c (fold_const_call): Handle them.
* tree-vect-loop.c (reduction_fn_for_scalar_code): Return the new
internal functions for BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR.
* config/aarch64/aarch64-sve.md (reduc_<bit_reduc>_scal_<mode>):
(*reduc_<bit_reduc>_scal_<mode>): New patterns.
* config/aarch64/iterators.md (UNSPEC_ANDV, UNSPEC_ORV)
(UNSPEC_XORV): New unspecs.
(optab): Add entries for them.
(BITWISEV): New int iterator.
(bit_reduc_op): New int attributes.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/md.texi (vec_shl_insert_@var{m}): New optab.
* internal-fn.def (VEC_SHL_INSERT): New internal function.
* optabs.def (vec_shl_insert_optab): New optab.
* tree-vectorizer.h (can_duplicate_and_interleave_p): Declare.
(duplicate_and_interleave): Likewise.
* tree-vect-loop.c: Include internal-fn.h.
(neutral_op_for_slp_reduction): New function, split out from
get_initial_defs_for_reduction.
(get_initial_def_for_reduction): Handle option 2 for variable-length
vectors by loading the neutral value into a vector and then shifting
the initial value into element 0.
(get_initial_defs_for_reduction): Replace the code argument with
the neutral value calculated by neutral_op_for_slp_reduction.
Use gimple_build_vector for constant-length vectors.
Use IFN_VEC_SHL_INSERT for variable-length vectors if all
but the first group_size elements have a neutral value.
Use duplicate_and_interleave otherwise.
(vect_create_epilog_for_reduction): Take a neutral_op parameter.
Update call to get_initial_defs_for_reduction. Handle SLP
reductions for variable-length vectors by creating one vector
result for each scalar result, with the elements associated
with other scalar results stubbed out with the neutral value.
(vectorizable_reduction): Call neutral_op_for_slp_reduction.
Require IFN_VEC_SHL_INSERT for double reductions on
variable-length vectors, or SLP reductions that have
a neutral value. Require can_duplicate_and_interleave_p
support for variable-length unchained SLP reductions if there
is no neutral value, such as for MIN/MAX reductions. Also require
the number of vector elements to be a multiple of the number of
SLP statements when doing variable-length unchained SLP reductions.
Update call to vect_create_epilog_for_reduction.
* tree-vect-slp.c (can_duplicate_and_interleave_p): Make public
and remove initial values.
(duplicate_and_interleave): Make public.
* config/aarch64/aarch64.md (UNSPEC_INSR): New unspec.
* config/aarch64/aarch64-sve.md (vec_shl_insert_<mode>): New insn.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-slp.c: Include gimple-fold.h and internal-fn.h
(can_duplicate_and_interleave_p): New function.
(vect_get_and_check_slp_defs): Take the vector of statements
rather than just the current one. Remove excess parentheses.
Restriction rejectinon of vect_constant_def and vect_external_def
for variable-length vectors to boolean types, or types for which
can_duplicate_and_interleave_p is false.
(vect_build_slp_tree_2): Update call to vect_get_and_check_slp_defs.
(duplicate_and_interleave): New function.
(vect_get_constant_vectors): Use gimple_build_vector for
constant-length vectors and suitable variable-length constant
vectors. Use duplicate_and_interleave for other variable-length
vectors. Don't defer the update when inserting new statements.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-loop.c (vect_estimate_min_profitable_iters): Make sure
min_profitable_iters doesn't go negative.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/md.texi (vec_mask_load_lanes@var{m}@var{n}): Document.
(vec_mask_store_lanes@var{m}@var{n}): Likewise.
* optabs.def (vec_mask_load_lanes_optab): New optab.
(vec_mask_store_lanes_optab): Likewise.
* internal-fn.def (MASK_LOAD_LANES): New internal function.
(MASK_STORE_LANES): Likewise.
* internal-fn.c (mask_load_lanes_direct): New macro.
(mask_store_lanes_direct): Likewise.
(expand_mask_load_optab_fn): Handle masked operations.
(expand_mask_load_lanes_optab_fn): New macro.
(expand_mask_store_optab_fn): Handle masked operations.
(expand_mask_store_lanes_optab_fn): New macro.
(direct_mask_load_lanes_optab_supported_p): Likewise.
(direct_mask_store_lanes_optab_supported_p): Likewise.
* tree-vectorizer.h (vect_store_lanes_supported): Take a masked_p
parameter.
(vect_load_lanes_supported): Likewise.
* tree-vect-data-refs.c (strip_conversion): New function.
(can_group_stmts_p): Likewise.
(vect_analyze_data_ref_accesses): Use it instead of checking
for a pair of assignments.
(vect_store_lanes_supported): Take a masked_p parameter.
(vect_load_lanes_supported): Likewise.
* tree-vect-loop.c (vect_analyze_loop_2): Update calls to
vect_store_lanes_supported and vect_load_lanes_supported.
* tree-vect-slp.c (vect_analyze_slp_instance): Likewise.
* tree-vect-stmts.c (get_group_load_store_type): Take a masked_p
parameter. Don't allow gaps for masked accesses.
Use vect_get_store_rhs. Update calls to vect_store_lanes_supported
and vect_load_lanes_supported.
(get_load_store_type): Take a masked_p parameter and update
call to get_group_load_store_type.
(vectorizable_store): Update call to get_load_store_type.
Handle IFN_MASK_STORE_LANES.
(vectorizable_load): Update call to get_load_store_type.
Handle IFN_MASK_LOAD_LANES.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* config/aarch64/aarch64-modes.def: Define x2, x3 and x4 vector
modes for SVE.
* config/aarch64/aarch64-protos.h
(aarch64_sve_struct_memory_operand_p): Declare.
* config/aarch64/iterators.md (SVE_STRUCT): New mode iterator.
(vector_count, insn_length, VSINGLE, vsingle): New mode attributes.
(VPRED, vpred): Handle SVE structure modes.
* config/aarch64/constraints.md (Utx): New constraint.
* config/aarch64/predicates.md (aarch64_sve_struct_memory_operand)
(aarch64_sve_struct_nonimmediate_operand): New predicates.
* config/aarch64/aarch64.md (UNSPEC_LDN, UNSPEC_STN): New unspecs.
* config/aarch64/aarch64-sve.md (mov<mode>, *aarch64_sve_mov<mode>_le)
(*aarch64_sve_mov<mode>_be, pred_mov<mode>): New patterns for
structure modes. Split into pieces after RA.
(vec_load_lanes<mode><vsingle>, vec_mask_load_lanes<mode><vsingle>)
(vec_store_lanes<mode><vsingle>, vec_mask_store_lanes<mode><vsingle>):
New patterns.
* config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
SVE structure modes.
(aarch64_classify_address): Likewise.
(sizetochar): Move earlier in file.
(aarch64_print_operand): Handle SVE register lists.
(aarch64_array_mode): New function.
(aarch64_sve_struct_memory_operand_p): Likewise.
(TARGET_ARRAY_MODE): Redefine.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* target.def (array_mode): New target hook.
* doc/tm.texi.in (TARGET_ARRAY_MODE): New hook.
* doc/tm.texi: Regenerate.
* hooks.h (hook_optmode_mode_uhwi_none): Declare.
* hooks.c (hook_optmode_mode_uhwi_none): New function.
* tree-vect-data-refs.c (vect_lanes_optab_supported_p): Use
targetm.array_mode.
* stor-layout.c (mode_for_array): Likewise. Support polynomial
type sizes.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* fold-const.c (fold_binary_loc): Check the argument types
rather than the result type when testing for a vector operation.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
* doc/tm.texi.in (DWARF_LAZY_REGISTER_VALUE): Document.
* doc/tm.texi: Regenerate.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* doc/invoke.texi (-msve-vector-bits=): Document new option.
(sve): Document new AArch64 extension.
* doc/md.texi (w): Extend the description of the AArch64
constraint to include SVE vectors.
(Upl, Upa): Document new AArch64 predicate constraints.
* config/aarch64/aarch64-opts.h (aarch64_sve_vector_bits_enum): New
enum.
* config/aarch64/aarch64.opt (sve_vector_bits): New enum.
(msve-vector-bits=): New option.
* config/aarch64/aarch64-option-extensions.def (fp, simd): Disable
SVE when these are disabled.
(sve): New extension.
* config/aarch64/aarch64-modes.def: Define SVE vector and predicate
modes. Adjust their number of units based on aarch64_sve_vg.
(MAX_BITSIZE_MODE_ANY_MODE): Define.
* config/aarch64/aarch64-protos.h (ADDR_QUERY_ANY): New
aarch64_addr_query_type.
(aarch64_const_vec_all_same_in_range_p, aarch64_sve_pred_mode)
(aarch64_sve_cnt_immediate_p, aarch64_sve_addvl_addpl_immediate_p)
(aarch64_sve_inc_dec_immediate_p, aarch64_add_offset_temporaries)
(aarch64_split_add_offset, aarch64_output_sve_cnt_immediate)
(aarch64_output_sve_addvl_addpl, aarch64_output_sve_inc_dec_immediate)
(aarch64_output_sve_mov_immediate, aarch64_output_ptrue): Declare.
(aarch64_simd_imm_zero_p): Delete.
(aarch64_check_zero_based_sve_index_immediate): Declare.
(aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p)
(aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p)
(aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p)
(aarch64_sve_float_mul_immediate_p): Likewise.
(aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT
rather than an rtx.
(aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): Declare.
(aarch64_expand_mov_immediate): Take a gen_vec_duplicate callback.
(aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move): Declare.
(aarch64_expand_sve_vec_cmp_int, aarch64_expand_sve_vec_cmp_float)
(aarch64_expand_sve_vcond, aarch64_expand_sve_vec_perm): Declare.
(aarch64_regmode_natural_size): Likewise.
* config/aarch64/aarch64.h (AARCH64_FL_SVE): New macro.
(AARCH64_FL_V8_3, AARCH64_FL_RCPC, AARCH64_FL_DOTPROD): Shift
left one place.
(AARCH64_ISA_SVE, TARGET_SVE): New macros.
(FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add entries
for VG and the SVE predicate registers.
(V_ALIASES): Add a "z"-prefixed alias.
(FIRST_PSEUDO_REGISTER): Change to P15_REGNUM + 1.
(AARCH64_DWARF_VG, AARCH64_DWARF_P0): New macros.
(PR_REGNUM_P, PR_LO_REGNUM_P): Likewise.
(PR_LO_REGS, PR_HI_REGS, PR_REGS): New reg_classes.
(REG_CLASS_NAMES): Add entries for them.
(REG_CLASS_CONTENTS): Likewise. Update ALL_REGS to include VG
and the predicate registers.
(aarch64_sve_vg): Declare.
(BITS_PER_SVE_VECTOR, BYTES_PER_SVE_VECTOR, BYTES_PER_SVE_PRED)
(SVE_BYTE_MODE, MAX_COMPILE_TIME_VEC_BYTES): New macros.
(REGMODE_NATURAL_SIZE): Define.
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
SVE macros.
* config/aarch64/aarch64.c: Include cfgrtl.h.
(simd_immediate_info): Add a constructor for series vectors,
and an associated step field.
(aarch64_sve_vg): New variable.
(aarch64_dbx_register_number): Handle VG and the predicate registers.
(aarch64_vect_struct_mode_p, aarch64_vector_mode_p): Delete.
(VEC_ADVSIMD, VEC_SVE_DATA, VEC_SVE_PRED, VEC_STRUCT, VEC_ANY_SVE)
(VEC_ANY_DATA, VEC_STRUCT): New constants.
(aarch64_advsimd_struct_mode_p, aarch64_sve_pred_mode_p)
(aarch64_classify_vector_mode, aarch64_vector_data_mode_p)
(aarch64_sve_data_mode_p, aarch64_sve_pred_mode)
(aarch64_get_mask_mode): New functions.
(aarch64_hard_regno_nregs): Handle SVE data modes for FP_REGS
and FP_LO_REGS. Handle PR_REGS, PR_LO_REGS and PR_HI_REGS.
(aarch64_hard_regno_mode_ok): Handle VG. Also handle the SVE
predicate modes and predicate registers. Explicitly restrict
GPRs to modes of 16 bytes or smaller. Only allow FP registers
to store a vector mode if it is recognized by
aarch64_classify_vector_mode.
(aarch64_regmode_natural_size): New function.
(aarch64_hard_regno_caller_save_mode): Return the original mode
for predicates.
(aarch64_sve_cnt_immediate_p, aarch64_output_sve_cnt_immediate)
(aarch64_sve_addvl_addpl_immediate_p, aarch64_output_sve_addvl_addpl)
(aarch64_sve_inc_dec_immediate_p, aarch64_output_sve_inc_dec_immediate)
(aarch64_add_offset_1_temporaries, aarch64_offset_temporaries): New
functions.
(aarch64_add_offset): Add a temp2 parameter. Assert that temp1
does not overlap dest if the function is frame-related. Handle
SVE constants.
(aarch64_split_add_offset): New function.
(aarch64_add_sp, aarch64_sub_sp): Add temp2 parameters and pass
them aarch64_add_offset.
(aarch64_allocate_and_probe_stack_space): Add a temp2 parameter
and update call to aarch64_sub_sp.
(aarch64_add_cfa_expression): New function.
(aarch64_expand_prologue): Pass extra temporary registers to the
functions above. Handle the case in which we need to emit new
DW_CFA_expressions for registers that were originally saved
relative to the stack pointer, but now have to be expressed
relative to the frame pointer.
(aarch64_output_mi_thunk): Pass extra temporary registers to the
functions above.
(aarch64_expand_epilogue): Likewise. Prevent inheritance of
IP0 and IP1 values for SVE frames.
(aarch64_expand_vec_series): New function.
(aarch64_expand_sve_widened_duplicate): Likewise.
(aarch64_expand_sve_const_vector): Likewise.
(aarch64_expand_mov_immediate): Add a gen_vec_duplicate parameter.
Handle SVE constants. Use emit_move_insn to move a force_const_mem
into the register, rather than emitting a SET directly.
(aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move)
(aarch64_get_reg_raw_mode, offset_4bit_signed_scaled_p)
(offset_6bit_unsigned_scaled_p, aarch64_offset_7bit_signed_scaled_p)
(offset_9bit_signed_scaled_p): New functions.
(aarch64_replicate_bitmask_imm): New function.
(aarch64_bitmask_imm): Use it.
(aarch64_cannot_force_const_mem): Reject expressions involving
a CONST_POLY_INT. Update call to aarch64_classify_symbol.
(aarch64_classify_index): Handle SVE indices, by requiring
a plain register index with a scale that matches the element size.
(aarch64_classify_address): Handle SVE addresses. Assert that
the mode of the address is VOIDmode or an integer mode.
Update call to aarch64_classify_symbol.
(aarch64_classify_symbolic_expression): Update call to
aarch64_classify_symbol.
(aarch64_const_vec_all_in_range_p): New function.
(aarch64_print_vector_float_operand): Likewise.
(aarch64_print_operand): Handle 'N' and 'C'. Use "zN" rather than
"vN" for FP registers with SVE modes. Handle (const ...) vectors
and the FP immediates 1.0 and 0.5.
(aarch64_print_address_internal): Handle SVE addresses.
(aarch64_print_operand_address): Use ADDR_QUERY_ANY.
(aarch64_regno_regclass): Handle predicate registers.
(aarch64_secondary_reload): Handle big-endian reloads of SVE
data modes.
(aarch64_class_max_nregs): Handle SVE modes and predicate registers.
(aarch64_rtx_costs): Check for ADDVL and ADDPL instructions.
(aarch64_convert_sve_vector_bits): New function.
(aarch64_override_options): Use it to handle -msve-vector-bits=.
(aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT
rather than an rtx.
(aarch64_legitimate_constant_p): Use aarch64_classify_vector_mode.
Handle SVE vector and predicate modes. Accept VL-based constants
that need only one temporary register, and VL offsets that require
no temporary registers.
(aarch64_conditional_register_usage): Mark the predicate registers
as fixed if SVE isn't available.
(aarch64_vector_mode_supported_p): Use aarch64_classify_vector_mode.
Return true for SVE vector and predicate modes.
(aarch64_simd_container_mode): Take the number of bits as a poly_int64
rather than an unsigned int. Handle SVE modes.
(aarch64_preferred_simd_mode): Update call accordingly. Handle
SVE modes.
(aarch64_autovectorize_vector_sizes): Add BYTES_PER_SVE_VECTOR
if SVE is enabled.
(aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p)
(aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p)
(aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p)
(aarch64_sve_float_mul_immediate_p): New functions.
(aarch64_sve_valid_immediate): New function.
(aarch64_simd_valid_immediate): Use it as the fallback for SVE vectors.
Explicitly reject structure modes. Check for INDEX constants.
Handle PTRUE and PFALSE constants.
(aarch64_check_zero_based_sve_index_immediate): New function.
(aarch64_simd_imm_zero_p): Delete.
(aarch64_mov_operand_p): Use aarch64_simd_valid_immediate for
vector modes. Accept constants in the range of CNT[BHWD].
(aarch64_simd_scalar_immediate_valid_for_move): Explicitly
ask for an Advanced SIMD mode.
(aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): New functions.
(aarch64_simd_vector_alignment): Handle SVE predicates.
(aarch64_vectorize_preferred_vector_alignment): New function.
(aarch64_simd_vector_alignment_reachable): Use it instead of
the vector size.
(aarch64_shift_truncation_mask): Use aarch64_vector_data_mode_p.
(aarch64_output_sve_mov_immediate, aarch64_output_ptrue): New
functions.
(MAX_VECT_LEN): Delete.
(expand_vec_perm_d): Add a vec_flags field.
(emit_unspec2, aarch64_expand_sve_vec_perm): New functions.
(aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_zip)
(aarch64_evpc_ext): Don't apply a big-endian lane correction
for SVE modes.
(aarch64_evpc_rev): Rename to...
(aarch64_evpc_rev_local): ...this. Use a predicated operation for SVE.
(aarch64_evpc_rev_global): New function.
(aarch64_evpc_dup): Enforce a 64-byte range for SVE DUP.
(aarch64_evpc_tbl): Use MAX_COMPILE_TIME_VEC_BYTES instead of
MAX_VECT_LEN.
(aarch64_evpc_sve_tbl): New function.
(aarch64_expand_vec_perm_const_1): Update after rename of
aarch64_evpc_rev. Handle SVE permutes too, trying
aarch64_evpc_rev_global and using aarch64_evpc_sve_tbl rather
than aarch64_evpc_tbl.
(aarch64_vectorize_vec_perm_const): Initialize vec_flags.
(aarch64_sve_cmp_operand_p, aarch64_unspec_cond_code)
(aarch64_gen_unspec_cond, aarch64_expand_sve_vec_cmp_int)
(aarch64_emit_unspec_cond, aarch64_emit_unspec_cond_or)
(aarch64_emit_inverted_unspec_cond, aarch64_expand_sve_vec_cmp_float)
(aarch64_expand_sve_vcond): New functions.
(aarch64_modes_tieable_p): Use aarch64_vector_data_mode_p instead
of aarch64_vector_mode_p.
(aarch64_dwarf_poly_indeterminate_value): New function.
(aarch64_compute_pressure_classes): Likewise.
(aarch64_can_change_mode_class): Likewise.
(TARGET_GET_RAW_RESULT_MODE, TARGET_GET_RAW_ARG_MODE): Redefine.
(TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): Likewise.
(TARGET_VECTORIZE_GET_MASK_MODE): Likewise.
(TARGET_DWARF_POLY_INDETERMINATE_VALUE): Likewise.
(TARGET_COMPUTE_PRESSURE_CLASSES): Likewise.
(TARGET_CAN_CHANGE_MODE_CLASS): Likewise.
* config/aarch64/constraints.md (Upa, Upl, Uav, Uat, Usv, Usi, Utr)
(Uty, Dm, vsa, vsc, vsd, vsi, vsn, vsl, vsm, vsA, vsM, vsN): New
constraints.
(Dn, Dl, Dr): Accept const as well as const_vector.
(Dz): Likewise. Compare against CONST0_RTX.
* config/aarch64/iterators.md: Refer to "Advanced SIMD" instead
of "vector" where appropriate.
(SVE_ALL, SVE_BH, SVE_BHS, SVE_BHSI, SVE_HSDI, SVE_HSF, SVE_SD)
(SVE_SDI, SVE_I, SVE_F, PRED_ALL, PRED_BHS): New mode iterators.
(UNSPEC_SEL, UNSPEC_ANDF, UNSPEC_IORF, UNSPEC_XORF, UNSPEC_COND_LT)
(UNSPEC_COND_LE, UNSPEC_COND_EQ, UNSPEC_COND_NE, UNSPEC_COND_GE)
(UNSPEC_COND_GT, UNSPEC_COND_LO, UNSPEC_COND_LS, UNSPEC_COND_HS)
(UNSPEC_COND_HI, UNSPEC_COND_UO): New unspecs.
(Vetype, VEL, Vel, VWIDE, Vwide, vw, vwcore, V_INT_EQUIV)
(v_int_equiv): Extend to SVE modes.
(Vesize, V128, v128, Vewtype, V_FP_EQUIV, v_fp_equiv, VPRED): New
mode attributes.
(LOGICAL_OR, SVE_INT_UNARY, SVE_FP_UNARY): New code iterators.
(optab): Handle popcount, smin, smax, umin, umax, abs and sqrt.
(logical_nn, lr, sve_int_op, sve_fp_op): New code attributs.
(LOGICALF, OPTAB_PERMUTE, UNPACK, UNPACK_UNSIGNED, SVE_COND_INT_CMP)
(SVE_COND_FP_CMP): New int iterators.
(perm_hilo): Handle the new unpack unspecs.
(optab, logicalf_op, su, perm_optab, cmp_op, imm_con): New int
attributes.
* config/aarch64/predicates.md (aarch64_sve_cnt_immediate)
(aarch64_sve_addvl_addpl_immediate, aarch64_split_add_offset_immediate)
(aarch64_pluslong_or_poly_operand, aarch64_nonmemory_operand)
(aarch64_equality_operator, aarch64_constant_vector_operand)
(aarch64_sve_ld1r_operand, aarch64_sve_ldr_operand): New predicates.
(aarch64_sve_nonimmediate_operand): Likewise.
(aarch64_sve_general_operand): Likewise.
(aarch64_sve_dup_operand, aarch64_sve_arith_immediate): Likewise.
(aarch64_sve_sub_arith_immediate, aarch64_sve_inc_dec_immediate)
(aarch64_sve_logical_immediate, aarch64_sve_mul_immediate): Likewise.
(aarch64_sve_dup_immediate, aarch64_sve_cmp_vsc_immediate): Likewise.
(aarch64_sve_cmp_vsd_immediate, aarch64_sve_index_immediate): Likewise.
(aarch64_sve_float_arith_immediate): Likewise.
(aarch64_sve_float_arith_with_sub_immediate): Likewise.
(aarch64_sve_float_mul_immediate, aarch64_sve_arith_operand): Likewise.
(aarch64_sve_add_operand, aarch64_sve_logical_operand): Likewise.
(aarch64_sve_lshift_operand, aarch64_sve_rshift_operand): Likewise.
(aarch64_sve_mul_operand, aarch64_sve_cmp_vsc_operand): Likewise.
(aarch64_sve_cmp_vsd_operand, aarch64_sve_index_operand): Likewise.
(aarch64_sve_float_arith_operand): Likewise.
(aarch64_sve_float_arith_with_sub_operand): Likewise.
(aarch64_sve_float_mul_operand): Likewise.
(aarch64_sve_vec_perm_operand): Likewise.
(aarch64_pluslong_operand): Include aarch64_sve_addvl_addpl_immediate.
(aarch64_mov_operand): Accept const_poly_int and const_vector.
(aarch64_simd_lshift_imm, aarch64_simd_rshift_imm): Accept const
as well as const_vector.
(aarch64_simd_imm_zero, aarch64_simd_imm_minus_one): Move earlier
in file. Use CONST0_RTX and CONSTM1_RTX.
(aarch64_simd_or_scalar_imm_zero): Likewise. Add match_codes.
(aarch64_simd_reg_or_zero): Accept const as well as const_vector.
Use aarch64_simd_imm_zero.
* config/aarch64/aarch64-sve.md: New file.
* config/aarch64/aarch64.md: Include it.
(VG_REGNUM, P0_REGNUM, P7_REGNUM, P15_REGNUM): New register numbers.
(UNSPEC_REV, UNSPEC_LD1_SVE, UNSPEC_ST1_SVE, UNSPEC_MERGE_PTRUE)
(UNSPEC_PTEST_PTRUE, UNSPEC_UNPACKSHI, UNSPEC_UNPACKUHI)
(UNSPEC_UNPACKSLO, UNSPEC_UNPACKULO, UNSPEC_PACK)
(UNSPEC_FLOAT_CONVERT, UNSPEC_WHILE_LO): New unspec constants.
(sve): New attribute.
(enabled): Disable instructions with the sve attribute unless
TARGET_SVE.
(movqi, movhi): Pass CONST_POLY_INT operaneds through
aarch64_expand_mov_immediate.
(*mov<mode>_aarch64, *movsi_aarch64, *movdi_aarch64): Handle
CNT[BHSD] immediates.
(movti): Split CONST_POLY_INT moves into two halves.
(add<mode>3): Accept aarch64_pluslong_or_poly_operand.
Split additions that need a temporary here if the destination
is the stack pointer.
(*add<mode>3_aarch64): Handle ADDVL and ADDPL immediates.
(*add<mode>3_poly_1): New instruction.
(set_clobber_cc): New expander.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
* simplify-rtx.c (simplify_immed_subreg): Add an inner_bytes
parameter and use it instead of GET_MODE_SIZE (innermode). Use
inner_bytes * BITS_PER_UNIT instead of GET_MODE_BITSIZE (innermode).
Use CEIL (inner_bytes, GET_MODE_UNIT_SIZE (innermode)) instead of
GET_MODE_NUNITS (innermode). Also add a first_elem parameter.
Change innermode from fixed_mode_size to machine_mode.
(simplify_subreg): Update call accordingly. Handle a constant-sized
subreg of a variable-length CONST_VECTOR.
2018-01-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-ssa-address.c (mem_ref_valid_without_offset_p): New function.
(add_offset_to_base): New function, split out from...
(create_mem_ref): ...here. When handling a scale other than 1,
check first whether the address is valid without the offset.
Add it into the base if so, leaving the index and scale as-is.
2018-01-12 Jakub Jelinek <jakub@redhat.com>
PR c++/83778
* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Call
fold_for_warn before checking if arg2 is INTEGER_CST.
2018-01-12 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/predicates.md (load_multiple_operation): Delete.
(store_multiple_operation): Delete.
* config/rs6000/rs6000-cpus.def (601): Remove MASK_STRING.
* config/rs6000/rs6000-protos.h (rs6000_output_load_multiple): Delete.
* config/rs6000/rs6000-string.c (expand_block_move): Delete everything
guarded by TARGET_STRING.
(rs6000_output_load_multiple): Delete.
* config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
OPTION_MASK_STRING / TARGET_STRING handling.
(print_operand) <'N', 'O'>: Add comment that these are unused now.
(const rs6000_opt_masks) <"string">: Change mask to 0.
* config/rs6000/rs6000.h (TARGET_DEFAULT): Remove MASK_STRING.
(MASK_STRING): Delete.
* config/rs6000/rs6000.md (*mov<mode>_string): Delete TARGET_STRING
parts. Simplify.
(load_multiple): Delete.
(*ldmsi8): Delete.
(*ldmsi7): Delete.
(*ldmsi6): Delete.
(*ldmsi5): Delete.
(*ldmsi4): Delete.
(*ldmsi3): Delete.
(store_multiple): Delete.
(*stmsi8): Delete.
(*stmsi7): Delete.
(*stmsi6): Delete.
(*stmsi5): Delete.
(*stmsi4): Delete.
(*stmsi3): Delete.
(movmemsi_8reg): Delete.
(corresponding unnamed define_insn): Delete.
(movmemsi_6reg): Delete.
(corresponding unnamed define_insn): Delete.
(movmemsi_4reg): Delete.
(corresponding unnamed define_insn): Delete.
(movmemsi_2reg): Delete.
(corresponding unnamed define_insn): Delete.
(movmemsi_1reg): Delete.
(corresponding unnamed define_insn): Delete.
* config/rs6000/rs6000.opt (mno-string): New.
(mstring): Replace by deprecation warning stub.
* doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mstring.
2018-01-12 Jakub Jelinek <jakub@redhat.com>
* regrename.c (regrename_do_replace): If replacing the same
reg multiple times, try to reuse last created gen_raw_REG.
PR debug/81155
* bb-reorder.c (pass_partition_blocks::gate): In lto don't partition
main to workaround a bug in GDB.
2018-01-12 Tom de Vries <tom@codesourcery.com>
PR target/83737
* config.gcc (nvptx*-*-*): Set use_gcc_stdint=wrap.
2018-01-12 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/80481
* ira-color.c (get_cap_member): New function.
(allocnos_conflict_by_live_ranges_p): Use it.
(slot_coalesced_allocno_live_ranges_intersect_p): Add assert.
(setup_slot_coalesced_allocno_live_ranges): Ditto.
2018-01-12 Uros Bizjak <ubizjak@gmail.com>
PR target/83628
* config/alpha/alpha.md (*saddsi_1): New insn_ans_split pattern.
(*saddl_se_1): Ditto.
(*ssubsi_1): Ditto.
(*ssubl_se_1): Ditto.
2018-01-12 Richard Sandiford <richard.sandiford@linaro.org>
* tree-predcom.c (aff_combination_dr_offset): Use wi::to_poly_widest
rather than wi::to_widest for DR_INITs.
* tree-vect-data-refs.c (vect_find_same_alignment_drs): Use
wi::to_poly_offset rather than wi::to_offset for DR_INIT.
(vect_analyze_data_ref_accesses): Require both DR_INITs to be
INTEGER_CSTs.
(vect_analyze_group_access_1): Note that here.
2018-01-12 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vectorizer.c (get_vec_alignment_for_array_type): Handle
polynomial type sizes.
2018-01-12 Richard Sandiford <richard.sandiford@linaro.org>
* gimplify.c (gimple_add_tmp_var_fn): Allow variables to have a
poly_uint64 size, rather than requiring an unsigned HOST_WIDE_INT size.
(gimple_add_tmp_var): Likewise.
2018-01-12 Martin Liska <mliska@suse.cz>
* gimple.c (gimple_alloc_counts): Use uint64_t instead of int.
(gimple_alloc_sizes): Likewise.
(dump_gimple_statistics): Use PRIu64 in printf format.
* gimple.h: Change uint64_t to int.
2018-01-12 Martin Liska <mliska@suse.cz>
* tree-core.h: Use uint64_t instead of int.
* tree.c (tree_node_counts): Likewise.
(tree_node_sizes): Likewise.
(dump_tree_statistics): Use PRIu64 in printf format.
2018-01-12 Martin Liska <mliska@suse.cz>
* Makefile.in: As qsort_chk is implemented in vec.c, add
vec.o to linkage of gencfn-macros.
* tree.c (build_new_poly_int_cst): Add CXX_MEM_STAT_INFO as it's
passing the info to record_node_allocation_statistics.
(test_vector_cst_patterns): Add CXX_MEM_STAT_INFO to declaration
and pass the info.
* ggc-common.c (struct ggc_usage): Add operator== and use
it in operator< and compare function.
* mem-stats.h (struct mem_usage): Likewise.
* vec.c (struct vec_usage): Remove operator< and compare
function. Can be simply inherited.
2018-01-12 Martin Jambor <mjambor@suse.cz>
PR target/81616
* params.def: New parameter PARAM_AVOID_FMA_MAX_BITS.
* tree-ssa-math-opts.c: Include domwalk.h.
(convert_mult_to_fma_1): New function.
(fma_transformation_info): New type.
(fma_deferring_state): Likewise.
(cancel_fma_deferring): New function.
(result_of_phi): Likewise.
(last_fma_candidate_feeds_initial_phi): Likewise.
(convert_mult_to_fma): Added deferring logic, split actual
transformation to convert_mult_to_fma_1.
(math_opts_dom_walker): New type.
(math_opts_dom_walker::after_dom_children): New method, body moved
here from pass_optimize_widening_mul::execute, added deferring logic
bits.
(pass_optimize_widening_mul::execute): Moved most of code to
math_opts_dom_walker::after_dom_children.
* config/i386/x86-tune.def (X86_TUNE_AVOID_128FMA_CHAINS): New.
* config/i386/i386.c (ix86_option_override_internal): Added
maybe_setting of PARAM_AVOID_FMA_MAX_BITS.
2018-01-12 Richard Biener <rguenther@suse.de>
PR debug/83157
* dwarf2out.c (gen_variable_die): Do not reset old_die for
inline instance vars.
2018-01-12 Oleg Endo <olegendo@gcc.gnu.org>
PR target/81819
* config/rx/rx.c (rx_is_restricted_memory_address):
Handle SUBREG case.
2018-01-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/80846
* target.def (split_reduction): New target hook.
* targhooks.c (default_split_reduction): New function.
* targhooks.h (default_split_reduction): Declare.
* tree-vect-loop.c (vect_create_epilog_for_reduction): If the
target requests first reduce vectors by combining low and high
parts.
* tree-vect-stmts.c (vect_gen_perm_mask_any): Adjust.
(get_vectype_for_scalar_type_and_size): Export.
* tree-vectorizer.h (get_vectype_for_scalar_type_and_size): Declare.
* doc/tm.texi.in (TARGET_VECTORIZE_SPLIT_REDUCTION): Document.
* doc/tm.texi: Regenerate.
* config/i386/i386.c (ix86_split_reduction): Implement
TARGET_VECTORIZE_SPLIT_REDUCTION.
2018-01-12 Eric Botcazou <ebotcazou@adacore.com>
PR target/83368
* config/sparc/sparc.h (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM
in PIC mode except for TARGET_VXWORKS_RTP.
* config/sparc/sparc.c: Include cfgrtl.h.
(TARGET_INIT_PIC_REG): Define.
(TARGET_USE_PSEUDO_PIC_REG): Likewise.
(sparc_pic_register_p): New predicate.
(sparc_legitimate_address_p): Use it.
(sparc_legitimize_pic_address): Likewise.
(sparc_delegitimize_address): Likewise.
(sparc_mode_dependent_address_p): Likewise.
(gen_load_pcrel_sym): Remove 4th parameter.
(load_got_register): Adjust call to above. Remove obsolete stuff.
(sparc_expand_prologue): Do not call load_got_register here.
(sparc_flat_expand_prologue): Likewise.
(sparc_output_mi_thunk): Set the pic_offset_table_rtx object.
(sparc_use_pseudo_pic_reg): New function.
(sparc_init_pic_reg): Likewise.
* config/sparc/sparc.md (vxworks_load_got): Set the GOT register.
(builtin_setjmp_receiver): Enable only for TARGET_VXWORKS_RTP.
2018-01-12 Christophe Lyon <christophe.lyon@linaro.org>
* doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
Add item for branch_cost.
2018-01-12 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/83565
* rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do
not extend the result to a larger mode for rotate operations.
(num_sign_bit_copies1): Likewise.
2018-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR target/40411
* config/sol2.h (STARTFILE_ARCH_SPEC): Don't use with -shared or
-symbolic.
Use values-Xc.o for -pedantic.
Link with values-xpg4.o for C90, values-xpg6.o otherwise.
2018-01-12 Martin Liska <mliska@suse.cz>
PR ipa/83054
* ipa-devirt.c (final_warning_record::grow_type_warnings):
New function.
(possible_polymorphic_call_targets): Use it.
(ipa_devirt): Likewise.
2018-01-12 Martin Liska <mliska@suse.cz>
* profile-count.h (enum profile_quality): Use 0 as invalid
enum value of profile_quality.
2018-01-12 Chung-Ju Wu <jasonwucj@gmail.com>
* doc/invoke.texi (NDS32 Options): Add -mext-perf, -mext-perf2 and
-mext-string options.
2018-01-12 Richard Biener <rguenther@suse.de>
* lto-streamer-out.c (DFS::DFS_write_tree_body): Process
DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P.
* tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
Likewise.
* tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
2018-01-11 Michael Meissner <meissner@linux.vnet.ibm.com>
* configure.ac (--with-long-double-format): Add support for the
configuration option to change the default long double format on
PowerPC systems.
* config.gcc (powerpc*-linux*-*): Likewise.
* configure: Regenerate.
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If long
double is IEEE, define __KC__ and __KF__ to allow floatn.h to be
used without modification.
2018-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000-builtin.def (BU_P7_MISC_X): New #define.
(SPEC_BARRIER): New instantiation of BU_P7_MISC_X.
* config/rs6000/rs6000.c (rs6000_expand_builtin): Handle
MISC_BUILTIN_SPEC_BARRIER.
(rs6000_init_builtins): Likewise.
* config/rs6000/rs6000.md (UNSPECV_SPEC_BARRIER): New UNSPECV
enum value.
(speculation_barrier): New define_insn.
* doc/extend.texi: Document __builtin_speculation_barrier.
2018-01-11 Jakub Jelinek <jakub@redhat.com>
PR target/83203
* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): If one_var
is 0, for V{8,16}S[IF] and V[48]D[IF]mode use gen_vec_set<mode>_0.
* config/i386/sse.md (VI8_AVX_AVX512F, VI4F_256_512): New mode
iterators.
(ssescalarmodesuffix): Add 512-bit vectors. Use "d" or "q" for
integral modes instead of "ss" and "sd".
(vec_set<mode>_0): New define_insns for 256-bit and 512-bit
vectors with 32-bit and 64-bit elements.
(vecdupssescalarmodesuffix): New mode attribute.
(vec_dup<mode>): Use it.
2018-01-11 H.J. Lu <hongjiu.lu@intel.com>
PR target/83330
* config/i386/i386.c (ix86_compute_frame_layout): Align stack
frame if argument is passed on stack.
2018-01-11 Jakub Jelinek <jakub@redhat.com>
PR target/82682
* ree.c (combine_reaching_defs): Optimize also
reg2=exp; reg1=reg2; reg2=any_extend(reg1); into
reg2=any_extend(exp); reg1=reg2;, formatting fix.
2018-01-11 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83189
* gimple-ssa-isolate-paths.c (isolate_path): Fix profile update.
2018-01-11 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83718
* tree-inline.c (copy_cfg_body): Adjust num&den for scaling
after they are computed.
2018-01-11 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/83695
* gimple-loop-linterchange.cc
(tree_loop_interchange::interchange_loops): Call scev_reset_htab to
reset cached scev information after interchange.
(pass_linterchange::execute): Remove call to scev_reset_htab.
2018-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/arm_neon.h (vfmlal_lane_low_u32, vfmlal_lane_high_u32,
vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32, vfmlal_laneq_low_u32,
vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32, vfmlal_laneq_high_u32,
vfmlsl_lane_low_u32, vfmlsl_lane_high_u32, vfmlslq_laneq_low_u32,
vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32, vfmlslq_laneq_high_u32,
vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32): Define.
* config/arm/arm_neon_builtins.def (vfmal_lane_low,
vfmal_lane_lowv4hf, vfmal_lane_lowv8hf, vfmal_lane_high,
vfmal_lane_highv4hf, vfmal_lane_highv8hf, vfmsl_lane_low,
vfmsl_lane_lowv4hf, vfmsl_lane_lowv8hf, vfmsl_lane_high,
vfmsl_lane_highv4hf, vfmsl_lane_highv8hf): New sets of builtins.
* config/arm/iterators.md (VFMLSEL2, vfmlsel2): New mode attributes.
(V_lane_reg): Likewise.
* config/arm/neon.md (neon_vfm<vfml_op>l_lane_<vfml_half><VCVTF:mode>):
New define_expand.
(neon_vfm<vfml_op>l_lane_<vfml_half><vfmlsel2><mode>): Likewise.
(vfmal_lane_low<mode>_intrinsic,
vfmal_lane_low<vfmlsel2><mode>_intrinsic,
vfmal_lane_high<vfmlsel2><mode>_intrinsic,
vfmal_lane_high<mode>_intrinsic, vfmsl_lane_low<mode>_intrinsic,
vfmsl_lane_low<vfmlsel2><mode>_intrinsic,
vfmsl_lane_high<vfmlsel2><mode>_intrinsic,
vfmsl_lane_high<mode>_intrinsic): New define_insns.
2018-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/arm-cpus.in (fp16fml): New feature.
(ALL_SIMD): Add fp16fml.
(armv8.2-a): Add fp16fml as an option.
(armv8.3-a): Likewise.
(armv8.4-a): Add fp16fml as part of fp16.
* config/arm/arm.h (TARGET_FP16FML): Define.
* config/arm/arm-c.c (arm_cpu_builtins): Define __ARM_FEATURE_FP16_FML
when appropriate.
* config/arm/arm-modes.def (V2HF): Define.
* config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32,
vfmlslq_low_u32, vfmlalq_high_u32, vfmlslq_high_u32): Define.
* config/arm/arm_neon_builtins.def (vfmal_low, vfmal_high,
vfmsl_low, vfmsl_high): New set of builtins.
* config/arm/iterators.md (PLUSMINUS): New code iterator.
(vfml_op): New code attribute.
(VFMLHALVES): New int iterator.
(VFML, VFMLSEL): New mode attributes.
(V_reg): Define mapping for V2HF.
(V_hi, V_lo): New mode attributes.
(VF_constraint): Likewise.
(vfml_half, vfml_half_selector): New int attributes.
* config/arm/neon.md (neon_vfm<vfml_op>l_<vfml_half><mode>): New
define_expand.
(vfmal_low<mode>_intrinsic, vfmsl_high<mode>_intrinsic,
vfmal_high<mode>_intrinsic, vfmsl_low<mode>_intrinsic):
New define_insn.
* config/arm/t-arm-elf (v8_fps): Add fp16fml.
* config/arm/t-multilib (v8_2_a_simd_variants): Add fp16fml.
* config/arm/unspecs.md (UNSPEC_VFML_LO, UNSPEC_VFML_HI): New unspecs.
* doc/invoke.texi (ARM Options): Document fp16fml. Update armv8.4-a
documentation.
* doc/sourcebuild.texi (arm_fp16fml_neon_ok, arm_fp16fml_neon):
Document new effective target and option set.
2018-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/arm-cpus.in (armv8_4): New feature.
(ARMv8_4a): New fgroup.
(armv8.4-a): New arch.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/t-aprofile: Add matching rules for -march=armv8.4-a.
* config/arm/t-arm-elf (all_v8_archs): Add armv8.4-a.
* config/arm/t-multilib (v8_4_a_simd_variants): New variable.
Add matching rules for -march=armv8.4-a and extensions.
* doc/invoke.texi (ARM Options): Document -march=armv8.4-a.
2018-01-11 Oleg Endo <olegendo@gcc.gnu.org>
PR target/81821
* config/rx/rx.md (BW): New mode attribute.
(sync_lock_test_and_setsi): Add mode suffix to insn output.
2018-01-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/83435
* graphite.c (canonicalize_loop_form): Ignore fake loop exit edges.
* graphite-scop-detection.c (scop_detection::get_sese): Likewise.
* tree-vrp.c (add_assert_info): Drop TREE_OVERFLOW if they appear.
2018-01-11 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* config/aarch64/aarch64.c (aarch64_address_info): Add a const_offset
field.
(aarch64_classify_address): Initialize it. Track polynomial offsets.
(aarch64_print_address_internal): Use it to check for a zero offset.
2018-01-11 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* config/aarch64/aarch64-modes.def (NUM_POLY_INT_COEFFS): Set to 2.
* config/aarch64/aarch64-protos.h (aarch64_initial_elimination_offset):
Return a poly_int64 rather than a HOST_WIDE_INT.
(aarch64_offset_7bit_signed_scaled_p): Take the offset as a poly_int64
rather than a HOST_WIDE_INT.
* config/aarch64/aarch64.h (aarch64_frame): Protect with
HAVE_POLY_INT_H rather than HOST_WIDE_INT. Change locals_offset,
hard_fp_offset, frame_size, initial_adjust, callee_offset and
final_offset from HOST_WIDE_INT to poly_int64.
* config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
to_constant when getting the number of units in an Advanced SIMD
mode.
(aarch64_builtin_vectorized_function): Check for a constant number
of units.
* config/aarch64/aarch64-simd.md (mov<mode>): Handle polynomial
GET_MODE_SIZE.
(aarch64_ld<VSTRUCT:nregs>_lane<VALLDIF:mode>): Use the nunits
attribute instead of GET_MODE_NUNITS.
* config/aarch64/aarch64.c (aarch64_hard_regno_nregs)
(aarch64_class_max_nregs): Use the constant_lowest_bound of the
GET_MODE_SIZE for fixed-size registers.
(aarch64_const_vec_all_same_in_range_p): Use const_vec_duplicate_p.
(aarch64_hard_regno_call_part_clobbered, aarch64_classify_index)
(aarch64_mode_valid_for_sched_fusion_p, aarch64_classify_address)
(aarch64_legitimize_address_displacement, aarch64_secondary_reload)
(aarch64_print_operand, aarch64_print_address_internal)
(aarch64_address_cost, aarch64_rtx_costs, aarch64_register_move_cost)
(aarch64_short_vector_p, aapcs_vfp_sub_candidate)
(aarch64_simd_attr_length_rglist, aarch64_operands_ok_for_ldpstp):
Handle polynomial GET_MODE_SIZE.
(aarch64_hard_regno_caller_save_mode): Likewise. Return modes
wider than SImode without modification.
(tls_symbolic_operand_type): Use strip_offset instead of split_const.
(aarch64_pass_by_reference, aarch64_layout_arg, aarch64_pad_reg_upward)
(aarch64_gimplify_va_arg_expr): Assert that we don't yet handle
passing and returning SVE modes.
(aarch64_function_value, aarch64_layout_arg): Use gen_int_mode
rather than GEN_INT.
(aarch64_emit_probe_stack_range): Take the size as a poly_int64
rather than a HOST_WIDE_INT, but call sorry if it isn't constant.
(aarch64_allocate_and_probe_stack_space): Likewise.
(aarch64_layout_frame): Cope with polynomial offsets.
(aarch64_save_callee_saves, aarch64_restore_callee_saves): Take the
start_offset as a poly_int64 rather than a HOST_WIDE_INT. Track
polynomial offsets.
(offset_9bit_signed_unscaled_p, offset_12bit_unsigned_scaled_p)
(aarch64_offset_7bit_signed_scaled_p): Take the offset as a
poly_int64 rather than a HOST_WIDE_INT.
(aarch64_get_separate_components, aarch64_process_components)
(aarch64_expand_prologue, aarch64_expand_epilogue)
(aarch64_use_return_insn_p): Handle polynomial frame offsets.
(aarch64_anchor_offset): New function, split out from...
(aarch64_legitimize_address): ...here.
(aarch64_builtin_vectorization_cost): Handle polynomial
TYPE_VECTOR_SUBPARTS.
(aarch64_simd_check_vect_par_cnst_half): Handle polynomial
GET_MODE_NUNITS.
(aarch64_simd_make_constant, aarch64_expand_vector_init): Get the
number of elements from the PARALLEL rather than the mode.
(aarch64_shift_truncation_mask): Use GET_MODE_UNIT_BITSIZE
rather than GET_MODE_BITSIZE.
(aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_ext)
(aarch64_evpc_rev, aarch64_evpc_dup, aarch64_evpc_zip)
(aarch64_expand_vec_perm_const_1): Handle polynomial
d->perm.length () and d->perm elements.
(aarch64_evpc_tbl): Likewise. Use nelt rather than GET_MODE_NUNITS.
Apply to_constant to d->perm elements.
(aarch64_simd_valid_immediate, aarch64_vec_fpconst_pow_of_2): Handle
polynomial CONST_VECTOR_NUNITS.
(aarch64_move_pointer): Take amount as a poly_int64 rather
than an int.
(aarch64_progress_pointer): Avoid temporary variable.
* config/aarch64/aarch64.md (aarch64_<crc_variant>): Use
the mode attribute instead of GET_MODE.
2018-01-11 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* config/aarch64/aarch64.c (aarch64_force_temporary): Assert that
x exists before using it.
(aarch64_add_constant_internal): Rename to...
(aarch64_add_offset_1): ...this. Replace regnum with separate
src and dest rtxes. Handle the case in which they're different,
including when the offset is zero. Replace scratchreg with an rtx.
Use 2 additions if there is no spare register into which we can
move a 16-bit constant.
(aarch64_add_constant): Delete.
(aarch64_add_offset): Replace reg with separate src and dest
rtxes. Take a poly_int64 offset instead of a HOST_WIDE_INT.
Use aarch64_add_offset_1.
(aarch64_add_sp, aarch64_sub_sp): Take the scratch register as
an rtx rather than an int. Take the delta as a poly_int64
rather than a HOST_WIDE_INT. Use aarch64_add_offset.
(aarch64_expand_mov_immediate): Update uses of aarch64_add_offset.
(aarch64_expand_prologue): Update calls to aarch64_sub_sp,
aarch64_allocate_and_probe_stack_space and aarch64_add_offset.
(aarch64_expand_epilogue): Update calls to aarch64_add_offset
and aarch64_add_sp.
(aarch64_output_mi_thunk): Use aarch64_add_offset rather than
aarch64_add_constant.
2018-01-11 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
Use scalar_float_mode.
2018-01-11 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64-simd.md
(aarch64_fml<f16mac1>l<f16quad>_low<mode>): Avoid GET_MODE_NUNITS.
(aarch64_fml<f16mac1>l<f16quad>_high<mode>): Likewise.
(aarch64_fml<f16mac1>l_lane_lowv2sf): Likewise.
(aarch64_fml<f16mac1>l_lane_highv2sf): Likewise.
(aarch64_fml<f16mac1>lq_laneq_lowv4sf): Likewise.
(aarch64_fml<f16mac1>lq_laneq_highv4sf): Likewise.
(aarch64_fml<f16mac1>l_laneq_lowv2sf): Likewise.
(aarch64_fml<f16mac1>l_laneq_highv2sf): Likewise.
(aarch64_fml<f16mac1>lq_lane_lowv4sf): Likewise.
(aarch64_fml<f16mac1>lq_lane_highv4sf): Likewise.
2018-01-11 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR target/83514
* config/arm/arm.c (arm_declare_function_name): Set arch_to_print if
targ_options->x_arm_arch_string is non NULL.
2018-01-11 Tamar Christina <tamar.christina@arm.com>
* config/aarch64/aarch64.h
(AARCH64_FL_FOR_ARCH8_4): Add AARCH64_FL_DOTPROD.
2018-01-11 Sudakshina Das <sudi.das@arm.com>
PR target/82096
* expmed.c (emit_store_flag_force): Swap if const op0
and change VOIDmode to mode of op0.
2018-01-11 Richard Sandiford <richard.sandiford@linaro.org>
PR rtl-optimization/83761
* caller-save.c (replace_reg_with_saved_mem): Pass bits rather
than bytes to mode_for_size.
2018-01-10 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83189
* gfortran.fortran-torture/compile/pr83189.f90: New testcase.
* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Handle zero
profile.
2018-01-10 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83575
* cfgrtl.c (rtl_verify_edges): Only verify fixability of partition
when in layout mode.
(cfg_layout_finalize): Do not verify cfg before we are out of layout.
* cfgcleanup.c (try_optimize_cfg): Only verify flow info when doing
partition fixup.
2018-01-10 Michael Collison <michael.collison@arm.com>
* config/aarch64/aarch64-modes.def (V2HF): New VECTOR_MODE.
* config/aarch64/aarch64-option-extension.def: Add
AARCH64_OPT_EXTENSION of 'fp16fml'.
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
(__ARM_FEATURE_FP16_FML): Define if TARGET_F16FML is true.
* config/aarch64/predicates.md (aarch64_lane_imm3): New predicate.
* config/aarch64/constraints.md (Ui7): New constraint.
* config/aarch64/iterators.md (VFMLA_W): New mode iterator.
(VFMLA_SEL_W): Ditto.
(f16quad): Ditto.
(f16mac1): Ditto.
(VFMLA16_LOW): New int iterator.
(VFMLA16_HIGH): Ditto.
(UNSPEC_FMLAL): New unspec.
(UNSPEC_FMLSL): Ditto.
(UNSPEC_FMLAL2): Ditto.
(UNSPEC_FMLSL2): Ditto.
(f16mac): New code attribute.
* config/aarch64/aarch64-simd-builtins.def
(aarch64_fmlal_lowv2sf): Ditto.
(aarch64_fmlsl_lowv2sf): Ditto.
(aarch64_fmlalq_lowv4sf): Ditto.
(aarch64_fmlslq_lowv4sf): Ditto.
(aarch64_fmlal_highv2sf): Ditto.
(aarch64_fmlsl_highv2sf): Ditto.
(aarch64_fmlalq_highv4sf): Ditto.
(aarch64_fmlslq_highv4sf): Ditto.
(aarch64_fmlal_lane_lowv2sf): Ditto.
(aarch64_fmlsl_lane_lowv2sf): Ditto.
(aarch64_fmlal_laneq_lowv2sf): Ditto.
(aarch64_fmlsl_laneq_lowv2sf): Ditto.
(aarch64_fmlalq_lane_lowv4sf): Ditto.
(aarch64_fmlsl_lane_lowv4sf): Ditto.
(aarch64_fmlalq_laneq_lowv4sf): Ditto.
(aarch64_fmlsl_laneq_lowv4sf): Ditto.
(aarch64_fmlal_lane_highv2sf): Ditto.
(aarch64_fmlsl_lane_highv2sf): Ditto.
(aarch64_fmlal_laneq_highv2sf): Ditto.
(aarch64_fmlsl_laneq_highv2sf): Ditto.
(aarch64_fmlalq_lane_highv4sf): Ditto.
(aarch64_fmlsl_lane_highv4sf): Ditto.
(aarch64_fmlalq_laneq_highv4sf): Ditto.
(aarch64_fmlsl_laneq_highv4sf): Ditto.
* config/aarch64/aarch64-simd.md:
(aarch64_fml<f16mac1>l<f16quad>_low<mode>): New pattern.
(aarch64_fml<f16mac1>l<f16quad>_high<mode>): Ditto.
(aarch64_simd_fml<f16mac1>l<f16quad>_low<mode>): Ditto.
(aarch64_simd_fml<f16mac1>l<f16quad>_high<mode>): Ditto.
(aarch64_fml<f16mac1>l_lane_lowv2sf): Ditto.
(aarch64_fml<f16mac1>l_lane_highv2sf): Ditto.
(aarch64_simd_fml<f16mac>l_lane_lowv2sf): Ditto.
(aarch64_simd_fml<f16mac>l_lane_highv2sf): Ditto.
(aarch64_fml<f16mac1>lq_laneq_lowv4sf): Ditto.
(aarch64_fml<f16mac1>lq_laneq_highv4sf): Ditto.
(aarch64_simd_fml<f16mac>lq_laneq_lowv4sf): Ditto.
(aarch64_simd_fml<f16mac>lq_laneq_highv4sf): Ditto.
(aarch64_fml<f16mac1>l_laneq_lowv2sf): Ditto.
(aarch64_fml<f16mac1>l_laneq_highv2sf): Ditto.
(aarch64_simd_fml<f16mac>l_laneq_lowv2sf): Ditto.
(aarch64_simd_fml<f16mac>l_laneq_highv2sf): Ditto.
(aarch64_fml<f16mac1>lq_lane_lowv4sf): Ditto.
(aarch64_fml<f16mac1>lq_lane_highv4sf): Ditto.
(aarch64_simd_fml<f16mac>lq_lane_lowv4sf): Ditto.
(aarch64_simd_fml<f16mac>lq_lane_highv4sf): Ditto.
* config/aarch64/arm_neon.h (vfmlal_low_u32): New intrinsic.
(vfmlsl_low_u32): Ditto.
(vfmlalq_low_u32): Ditto.
(vfmlslq_low_u32): Ditto.
(vfmlal_high_u32): Ditto.
(vfmlsl_high_u32): Ditto.
(vfmlalq_high_u32): Ditto.
(vfmlslq_high_u32): Ditto.
(vfmlal_lane_low_u32): Ditto.
(vfmlsl_lane_low_u32): Ditto.
(vfmlal_laneq_low_u32): Ditto.
(vfmlsl_laneq_low_u32): Ditto.
(vfmlalq_lane_low_u32): Ditto.
(vfmlslq_lane_low_u32): Ditto.
(vfmlalq_laneq_low_u32): Ditto.
(vfmlslq_laneq_low_u32): Ditto.
(vfmlal_lane_high_u32): Ditto.
(vfmlsl_lane_high_u32): Ditto.
(vfmlal_laneq_high_u32): Ditto.
(vfmlsl_laneq_high_u32): Ditto.
(vfmlalq_lane_high_u32): Ditto.
(vfmlslq_lane_high_u32): Ditto.
(vfmlalq_laneq_high_u32): Ditto.
(vfmlslq_laneq_high_u32): Ditto.
* config/aarch64/aarch64.h (AARCH64_FL_F16SML): New flag.
(AARCH64_FL_FOR_ARCH8_4): New.
(AARCH64_ISA_F16FML): New ISA flag.
(TARGET_F16FML): New feature flag for fp16fml.
(doc/invoke.texi): Document new fp16fml option.
2018-01-10 Michael Collison <michael.collison@arm.com>
* config/aarch64/aarch64-builtins.c:
(aarch64_types_ternopu_imm_qualifiers, TYPES_TERNOPUI): New.
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
(__ARM_FEATURE_SHA3): Define if TARGET_SHA3 is true.
* config/aarch64/aarch64.h (AARCH64_FL_SHA3): New flags.
(AARCH64_ISA_SHA3): New ISA flag.
(TARGET_SHA3): New feature flag for sha3.
* config/aarch64/iterators.md (sha512_op): New int attribute.
(CRYPTO_SHA512): New int iterator.
(UNSPEC_SHA512H): New unspec.
(UNSPEC_SHA512H2): Ditto.
(UNSPEC_SHA512SU0): Ditto.
(UNSPEC_SHA512SU1): Ditto.
* config/aarch64/aarch64-simd-builtins.def
(aarch64_crypto_sha512hqv2di): New builtin.
(aarch64_crypto_sha512h2qv2di): Ditto.
(aarch64_crypto_sha512su0qv2di): Ditto.
(aarch64_crypto_sha512su1qv2di): Ditto.
(aarch64_eor3qv8hi): Ditto.
(aarch64_rax1qv2di): Ditto.
(aarch64_xarqv2di): Ditto.
(aarch64_bcaxqv8hi): Ditto.
* config/aarch64/aarch64-simd.md:
(aarch64_crypto_sha512h<sha512_op>qv2di): New pattern.
(aarch64_crypto_sha512su0qv2di): Ditto.
(aarch64_crypto_sha512su1qv2di): Ditto.
(aarch64_eor3qv8hi): Ditto.
(aarch64_rax1qv2di): Ditto.
(aarch64_xarqv2di): Ditto.
(aarch64_bcaxqv8hi): Ditto.
* config/aarch64/arm_neon.h (vsha512hq_u64): New intrinsic.
(vsha512h2q_u64): Ditto.
(vsha512su0q_u64): Ditto.
(vsha512su1q_u64): Ditto.
(veor3q_u16): Ditto.
(vrax1q_u64): Ditto.
(vxarq_u64): Ditto.
(vbcaxq_u16): Ditto.
* config/arm/types.md (crypto_sha512): New type attribute.
(crypto_sha3): Ditto.
(doc/invoke.texi): Document new sha3 option.
2018-01-10 Michael Collison <michael.collison@arm.com>
* config/aarch64/aarch64-builtins.c:
(aarch64_types_quadopu_imm_qualifiers, TYPES_QUADOPUI): New.
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
(__ARM_FEATURE_SM3): Define if TARGET_SM4 is true.
(__ARM_FEATURE_SM4): Define if TARGET_SM4 is true.
* config/aarch64/aarch64.h (AARCH64_FL_SM4): New flags.
(AARCH64_ISA_SM4): New ISA flag.
(TARGET_SM4): New feature flag for sm4.
* config/aarch64/aarch64-simd-builtins.def
(aarch64_sm3ss1qv4si): Ditto.
(aarch64_sm3tt1aq4si): Ditto.
(aarch64_sm3tt1bq4si): Ditto.
(aarch64_sm3tt2aq4si): Ditto.
(aarch64_sm3tt2bq4si): Ditto.
(aarch64_sm3partw1qv4si): Ditto.
(aarch64_sm3partw2qv4si): Ditto.
(aarch64_sm4eqv4si): Ditto.
(aarch64_sm4ekeyqv4si): Ditto.
* config/aarch64/aarch64-simd.md:
(aarch64_sm3ss1qv4si): Ditto.
(aarch64_sm3tt<sm3tt_op>qv4si): Ditto.
(aarch64_sm3partw<sm3part_op>qv4si): Ditto.
(aarch64_sm4eqv4si): Ditto.
(aarch64_sm4ekeyqv4si): Ditto.
* config/aarch64/iterators.md (sm3tt_op): New int iterator.
(sm3part_op): Ditto.
(CRYPTO_SM3TT): Ditto.
(CRYPTO_SM3PART): Ditto.
(UNSPEC_SM3SS1): New unspec.
(UNSPEC_SM3TT1A): Ditto.
(UNSPEC_SM3TT1B): Ditto.
(UNSPEC_SM3TT2A): Ditto.
(UNSPEC_SM3TT2B): Ditto.
(UNSPEC_SM3PARTW1): Ditto.
(UNSPEC_SM3PARTW2): Ditto.
(UNSPEC_SM4E): Ditto.
(UNSPEC_SM4EKEY): Ditto.
* config/aarch64/constraints.md (Ui2): New constraint.
* config/aarch64/predicates.md (aarch64_imm2): New predicate.
* config/arm/types.md (crypto_sm3): New type attribute.
(crypto_sm4): Ditto.
* config/aarch64/arm_neon.h (vsm3ss1q_u32): New intrinsic.
(vsm3tt1aq_u32): Ditto.
(vsm3tt1bq_u32): Ditto.
(vsm3tt2aq_u32): Ditto.
(vsm3tt2bq_u32): Ditto.
(vsm3partw1q_u32): Ditto.
(vsm3partw2q_u32): Ditto.
(vsm4eq_u32): Ditto.
(vsm4ekeyq_u32): Ditto.
(doc/invoke.texi): Document new sm4 option.
2018-01-10 Michael Collison <michael.collison@arm.com>
* config/aarch64/aarch64-arches.def (armv8.4-a): New architecture.
* config/aarch64/aarch64.h (AARCH64_ISA_V8_4): New ISA flag.
(AARCH64_FL_FOR_ARCH8_4): New.
(AARCH64_FL_V8_4): New flag.
(doc/invoke.texi): Document new armv8.4-a option.
2018-01-10 Michael Collison <michael.collison@arm.com>
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
(__ARM_FEATURE_AES): Define if TARGET_AES is true.
(__ARM_FEATURE_SHA2): Define if TARGET_SHA2 is true.
* config/aarch64/aarch64-option-extension.def: Add
AARCH64_OPT_EXTENSION of 'sha2'.
(aes): Add AARCH64_OPT_EXTENSION of 'aes'.
(crypto): Disable sha2 and aes if crypto disabled.
(crypto): Enable aes and sha2 if enabled.
(simd): Disable sha2 and aes if simd disabled.
* config/aarch64/aarch64.h (AARCH64_FL_AES, AARCH64_FL_SHA2):
New flags.
(AARCH64_ISA_AES, AARCH64_ISA_SHA2): New ISA flags.
(TARGET_SHA2): New feature flag for sha2.
(TARGET_AES): New feature flag for aes.
* config/aarch64/aarch64-simd.md:
(aarch64_crypto_aes<aes_op>v16qi): Make pattern
conditional on TARGET_AES.
(aarch64_crypto_aes<aesmc_op>v16qi): Ditto.
(aarch64_crypto_sha1hsi): Make pattern conditional
on TARGET_SHA2.
(aarch64_crypto_sha1hv4si): Ditto.
(aarch64_be_crypto_sha1hv4si): Ditto.
(aarch64_crypto_sha1su1v4si): Ditto.
(aarch64_crypto_sha1<sha1_op>v4si): Ditto.
(aarch64_crypto_sha1su0v4si): Ditto.
(aarch64_crypto_sha256h<sha256_op>v4si): Ditto.
(aarch64_crypto_sha256su0v4si): Ditto.
(aarch64_crypto_sha256su1v4si): Ditto.
(doc/invoke.texi): Document new aes and sha2 options.
2018-01-10 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83781
* gimple-fold.c (get_range_strlen): Avoid treating arrays of pointers
as string arrays.
2018-01-11 Martin Sebor <msebor@gmail.com>
Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR tree-optimization/83501
PR tree-optimization/81703
* tree-ssa-strlen.c (get_string_cst): Rename...
(get_string_len): ...to this. Handle global constants.
(handle_char_store): Adjust.
2018-01-10 Kito Cheng <kito.cheng@gmail.com>
Jim Wilson <jimw@sifive.com>
* config/riscv/riscv-protos.h (riscv_output_return): New.
* config/riscv/riscv.c (struct machine_function): New naked_p field.
(riscv_attribute_table, riscv_output_return),
(riscv_handle_fndecl_attribute, riscv_naked_function_p),
(riscv_allocate_stack_slots_for_args, riscv_warn_func_return): New.
(riscv_compute_frame_info): Only compute frame->mask if not a naked
function.
(riscv_expand_prologue): Add early return for naked function.
(riscv_expand_epilogue): Likewise.
(riscv_function_ok_for_sibcall): Return false for naked function.
(riscv_set_current_function): New.
(TARGET_SET_CURRENT_FUNCTION, TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS),
(TARGET_ATTRIBUTE_TABLE, TARGET_WARN_FUNC_RETURN): New.
* config/riscv/riscv.md (simple_return): Call riscv_output_return.
* doc/extend.texi (RISC-V Function Attributes): New.
2018-01-10 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000.c (is_complex_IBM_long_double): Explicitly
check for 128-bit long double before checking TCmode.
* config/rs6000/rs6000.h (FLOAT128_IEEE_P): Explicitly check for
128-bit long doubles before checking TFmode or TCmode.
(FLOAT128_IBM_P): Likewise.
2018-01-10 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83671
* builtins.c (c_strlen): Unconditionally return zero for the empty
string.
Use -Warray-bounds for warnings.
* gimple-fold.c (get_range_strlen): Handle non-constant lengths
for non-constant array indices with COMPONENT_REF, arrays of
arrays, and pointers to arrays.
(gimple_fold_builtin_strlen): Determine and set length range for
non-constant character arrays.
2018-01-10 Aldy Hernandez <aldyh@redhat.com>
PR middle-end/81897
* tree-ssa-uninit.c (convert_control_dep_chain_into_preds): Skip
empty blocks.
2018-01-10 Eric Botcazou <ebotcazou@adacore.com>
* dwarf2out.c (dwarf2out_var_location): Do not pass NULL to fprintf.
2018-01-10 Peter Bergner <bergner@vnet.ibm.com>
PR target/83399
* config/rs6000/rs6000.c (print_operand) <'y'>: Use
VECTOR_MEM_ALTIVEC_OR_VSX_P.
* config/rs6000/vsx.md (*vsx_le_perm_load_<mode> for VSX_D): Use
indexed_or_indirect_operand predicate.
(*vsx_le_perm_load_<mode> for VSX_W): Likewise.
(*vsx_le_perm_load_v8hi): Likewise.
(*vsx_le_perm_load_v16qi): Likewise.
(*vsx_le_perm_store_<mode> for VSX_D): Likewise.
(*vsx_le_perm_store_<mode> for VSX_W): Likewise.
(*vsx_le_perm_store_v8hi): Likewise.
(*vsx_le_perm_store_v16qi): Likewise.
(eight unnamed splitters): Likewise.
2018-01-10 Peter Bergner <bergner@vnet.ibm.com>
* config/rs6000/x86intrin.h: Change #warning to #error. Update message.
* config/rs6000/emmintrin.h: Likewise.
* config/rs6000/mmintrin.h: Likewise.
* config/rs6000/xmmintrin.h: Likewise.
2018-01-10 David Malcolm <dmalcolm@redhat.com>
PR c++/43486
* tree-core.h: Document EXPR_LOCATION_WRAPPER_P's usage of
"public_flag".
* tree.c (tree_nop_conversion): Return true for location wrapper
nodes.
(maybe_wrap_with_location): New function.
(selftest::check_strip_nops): New function.
(selftest::test_location_wrappers): New function.
(selftest::tree_c_tests): Call it.
* tree.h (STRIP_ANY_LOCATION_WRAPPER): New macro.
(maybe_wrap_with_location): New decl.
(EXPR_LOCATION_WRAPPER_P): New macro.
(location_wrapper_p): New inline function.
(tree_strip_any_location_wrapper): New inline function.
2018-01-10 H.J. Lu <hongjiu.lu@intel.com>
PR target/83735
* config/i386/i386.c (ix86_compute_frame_layout): Always adjust
stack_realign_offset for the largest alignment of stack slot
actually used.
(ix86_find_max_used_stack_alignment): New function.
(ix86_finalize_stack_frame_flags): Use it. Set
max_used_stack_alignment if we don't realign stack.
* config/i386/i386.h (machine_function): Add
max_used_stack_alignment.
2018-01-10 Christophe Lyon <christophe.lyon@linaro.org>
* config/arm/arm.opt (-mbranch-cost): New option.
* config/arm/arm.h (BRANCH_COST): Take arm_branch_cost into
account.
2018-01-10 Segher Boessenkool <segher@kernel.crashing.org>
PR target/83629
* config/rs6000/rs6000.md (load_toc_v4_PIC_2, load_toc_v4_PIC_3b,
load_toc_v4_PIC_3c): Wrap const term in CONST RTL.
2018-01-10 Richard Biener <rguenther@suse.de>
PR debug/83765
* dwarf2out.c (gen_subprogram_die): Hoist old_die && declaration
early out so it also covers the case where we have a non-NULL
origin.
2018-01-10 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/83753
* tree-vect-stmts.c (get_group_load_store_type): Use VMAT_CONTIGUOUS
for non-strided grouped accesses if the number of elements is 1.
2018-01-10 Jan Hubicka <hubicka@ucw.cz>
PR target/81616
* i386.c (ix86_vectorize_builtin_gather): Check TARGET_USE_GATHER.
* i386.h (TARGET_USE_GATHER): Define.
* x86-tune.def (X86_TUNE_USE_GATHER): New.
2018-01-10 Martin Liska <mliska@suse.cz>
PR bootstrap/82831
* basic-block.h (CLEANUP_NO_PARTITIONING): New define.
* bb-reorder.c (pass_reorder_blocks::execute): Do not clean up
partitioning.
* cfgcleanup.c (try_optimize_cfg): Fix up partitioning if
CLEANUP_NO_PARTITIONING is not set.
2018-01-10 Richard Sandiford <richard.sandiford@linaro.org>
* doc/rtl.texi: Remove documentation of (const ...) wrappers
for vectors, as a partial revert of r254296.
* rtl.h (const_vec_p): Delete.
(const_vec_duplicate_p): Don't test for vector CONSTs.
(unwrap_const_vec_duplicate, const_vec_series_p): Likewise.
* expmed.c (make_tree): Likewise.
Revert:
* common.md (E, F): Use CONSTANT_P instead of checking for
CONST_VECTOR.
* emit-rtl.c (gen_lowpart_common): Use const_vec_p instead of
checking for CONST_VECTOR.
2018-01-09 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83575
* predict.c (force_edge_cold): Handle in more sane way edges
with no prediction.
2018-01-09 Carl Love <cel@us.ibm.com>
* config/rs6002/altivec.md (p8_vmrgow): Add support for V2DI, V2DF,
V4SI, V4SF types.
(p8_vmrgew): Add support for V2DI, V2DF, V4SF types.
* config/rs6000/rs6000-builtin.def: Add definitions for FLOAT2_V2DF,
VMRGEW_V2DI, VMRGEW_V2DF, VMRGEW_V4SF, VMRGOW_V4SI, VMRGOW_V4SF,
VMRGOW_V2DI, VMRGOW_V2DF. Remove definition for VMRGOW.
* config/rs6000/rs6000-c.c (VSX_BUILTIN_VEC_FLOAT2,
P8V_BUILTIN_VEC_VMRGEW, P8V_BUILTIN_VEC_VMRGOW): Add definitions.
* config/rs6000/rs6000-protos.h: Add extern defition for
rs6000_generate_float2_double_code.
* config/rs6000/rs6000.c (rs6000_generate_float2_double_code): Add
function.
* config/rs6000/vsx.md (vsx_xvcdpsp): Add define_insn.
(float2_v2df): Add define_expand.
2018-01-09 Uros Bizjak <ubizjak@gmail.com>
PR target/83628
* combine.c (force_int_to_mode) <case ASHIFT>: Use mode instead of
op_mode in the force_to_mode call.
2018-01-09 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64.c (aarch64_evpc_trn): Use d.perm.series_p
instead of checking each element individually.
(aarch64_evpc_uzp): Likewise.
(aarch64_evpc_zip): Likewise.
(aarch64_evpc_ext): Likewise.
(aarch64_evpc_rev): Likewise.
(aarch64_evpc_dup): Test the encoding for a single duplicated element,
instead of checking each element individually. Return true without
generating rtl if
(aarch64_vectorize_vec_perm_const): Use all_from_input_p to test
whether all selected elements come from the same input, instead of
checking each element individually. Remove calls to gen_rtx_REG,
start_sequence and end_sequence and instead assert that no rtl is
generated.
2018-01-09 Richard Sandiford <richard.sandiford@linaro.org>
* config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Fix
order of HIGH and CONST checks.
2018-01-09 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-stmts.c (permute_vec_elements): Create a fresh variable
if the destination isn't an SSA_NAME.
2018-01-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/83668
* graphite.c (canonicalize_loop_closed_ssa): Add edge argument,
move prologue...
(canonicalize_loop_form): ... here, renamed from ...
(canonicalize_loop_closed_ssa_form): ... this and amended to
swap successor edges for loop exit blocks to make us use
the RPO order we need for initial schedule generation.
2018-01-09 Joseph Myers <joseph@codesourcery.com>
PR tree-optimization/64811
* match.pd: When optimizing comparisons with Inf, avoid
introducing or losing exceptions from comparisons with NaN.
2018-01-09 Martin Liska <mliska@suse.cz>
PR sanitizer/82517
* asan.c (shadow_mem_size): Add gcc_assert.
2018-01-09 Georg-Johann Lay <avr@gjlay.de>
Don't save registers in main().
PR target/83738
* doc/invoke.texi (AVR Options) [-mmain-is-OS_task]: Document it.
* config/avr/avr.opt (-mmain-is-OS_task): New target option.
* config/avr/avr.c (avr_set_current_function): Don't error if
naked, OS_task or OS_main are specified at the same time.
(avr_function_ok_for_sibcall): Don't disable sibcalls for OS_task,
OS_main.
(avr_insert_attributes) [-mmain-is-OS_task] <main>: Add OS_task
attribute.
* common/config/avr/avr-common.c (avr_option_optimization_table):
Switch on -mmain-is-OS_task for optimizing compilations.
2018-01-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/83572
* graphite.c: Include cfganal.h.
(graphite_transform_loops): Connect infinite loops to exit
and remove fake edges at the end.
2018-01-09 Jan Hubicka <hubicka@ucw.cz>
* ipa-inline.c (edge_badness): Revert accidental checkin.
2018-01-09 Jan Hubicka <hubicka@ucw.cz>
PR ipa/80763
* ipa-comdats.c (set_comdat_group): Only set comdat group of real
symbols; not inline clones.
2018-01-09 Jakub Jelinek <jakub@redhat.com>
PR target/83507
* modulo-sched.c (schedule_reg_moves): Punt if we'd need to move
hard registers. Formatting fixes.
PR preprocessor/83722
* gcc.c (try_generate_repro): Pass
&temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than
&temp_stdout_files[RETRY_ICE_ATTEMPTS - 1] as last argument to
do_report_bug.
2018-01-08 Monk Chiang <sh.chiang04@gmail.com>
Kito Cheng <kito.cheng@gmail.com>
* config/riscv/riscv.c (machine_function::is_leaf): Remove field.
(riscv_leaf_function_p): Delete.
(riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE.
2018-01-08 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
* config/rs6000/rs6000-string.c (do_load_for_compare_from_addr): New
function.
(do_ifelse): New function.
(do_isel): New function.
(do_sub3): New function.
(do_add3): New function.
(do_load_mask_compare): New function.
(do_overlap_load_compare): New function.
(expand_compare_loop): New function.
(expand_block_compare): Call expand_compare_loop() when appropriate.
* config/rs6000/rs6000.opt (-mblock-compare-inline-limit): Change
option description.
(-mblock-compare-inline-loop-limit): New option.
2018-01-08 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR target/83677
* config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
Reverse order of second and third operands in first alternative.
* config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order
of first and second elements in UNSPEC_VPERMR vector.
(altivec_expand_vec_perm_le): Likewise.
2018-01-08 Jeff Law <law@redhat.com>
PR rtl-optimizatin/81308
* tree-switch-conversion.c (cfg_altered): New file scoped static.
(process_switch): If group_case_labels makes a change, then set
cfg_altered.
(pass_convert_switch::execute): If a switch is converted, then
set cfg_altered. Return TODO_cfg_cleanup if cfg_altered is true.
PR rtl-optimization/81308
* recog.c (split_all_insns): Conditionally cleanup the CFG after
splitting insns.
2018-01-08 Vidya Praveen <vidyapraveen@arm.com>
PR target/83663 - Revert r255946
* config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify code
generation for cases where splatting a value is not useful.
* simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge
across a vec_duplicate and a paradoxical subreg forming a vector
mode to a vec_concat.
2018-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping rules for
-march=armv8.3-a variants.
* config/arm/t-multilib: Likewise.
* config/arm/t-arm-elf: Likewise. Handle dotprod extension.
2018-01-08 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
* config/rs6000/rs6000.md (cceq_ior_compare): Remove * so I can use it
to generate rtl.
(cceq_ior_compare_complement): Give it a name so I can use it, and
change boolean_or_operator predicate to boolean_operator so it can
be used to generate a crand.
(eqne): New code iterator.
(bd/bd_neg): New code_attrs.
(<bd>_<mode>): New name for ctr<mode>_internal[12] now combined into
a single define_insn.
(<bd>tf_<mode>): A new insn pattern for the conditional form branch
decrement (bdnzt/bdnzf/bdzt/bdzf).
* config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Updated
with the new names of the branch decrement patterns, and added the
names of the branch decrement conditional patterns.
2018-01-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/83563
* graphite.c (canonicalize_loop_closed_ssa_form): Reset the SCEV
cache.
2018-01-08 Richard Biener <rguenther@suse.de>
PR middle-end/83713
* convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks.
2018-01-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/83685
* tree-ssa-pre.c (create_expression_by_pieces): Do not insert
references to abnormals.
2018-01-08 Richard Biener <rguenther@suse.de>
PR lto/83719
* dwarf2out.c (output_indirect_strings): Handle empty
skeleton_debug_str_hash.
(dwarf2out_early_finish): Index strings for -gsplit-dwarf.
2018-01-08 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Delete.
(emit_store_direct): Likewise.
(arc_trampoline_adjust_address): Likewise.
(arc_asm_trampoline_template): New function.
(arc_initialize_trampoline): Use asm_trampoline_template.
(TARGET_ASM_TRAMPOLINE_TEMPLATE): Define.
* config/arc/arc.h (TRAMPOLINE_SIZE): Adjust to 16.
* config/arc/arc.md (flush_icache): Delete pattern.
2018-01-08 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-c.def (__ARC_UNALIGNED__): New define.
* config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using
munaligned-access.
2018-01-08 Sebastian Huber <sebastian.huber@embedded-brains.de>
PR target/83681
* config/epiphany/epiphany.h (make_pass_mode_switch_use): Guard
by not USED_FOR_TARGET.
(make_pass_resolve_sw_modes): Likewise.
2018-01-08 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/nios2/nios2.h (nios2_section_threshold): Guard by not
USED_FOR_TARGET.
2018-01-08 Richard Biener <rguenther@suse.de>
PR middle-end/83580
* tree-data-ref.c (split_constant_offset): Remove STRIP_NOPS.
2018-01-08 Richard Biener <rguenther@suse.de>
PR middle-end/83517
* match.pd ((t * 2) / 2) -> t): Add missing :c.
2018-01-06 Aldy Hernandez <aldyh@redhat.com>
PR middle-end/81897
* tree-ssa-uninit.c (compute_control_dep_chain): Do not bail on
basic blocks with a small number of successors.
(convert_control_dep_chain_into_preds): Improve handling of
forwarder blocks.
(dump_predicates): Split apart into...
(dump_pred_chain): ...here...
(dump_pred_info): ...and here.
(can_one_predicate_be_invalidated_p): Add debugging printfs.
(can_chain_union_be_invalidated_p): Improve check for invalidation
of paths.
(uninit_uses_cannot_happen): Avoid unnecessary if
convert_control_dep_chain_into_preds yielded nothing.
2018-01-06 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83640
* gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Avoid
subtracting negative offset from size.
(builtin_access::overlap): Adjust offset bounds of the access to fall
within the size of the object if possible.
2018-01-06 Richard Sandiford <richard.sandiford@linaro.org>
PR rtl-optimization/83699
* expmed.c (extract_bit_field_1): Restrict the vector usage of
extract_bit_field_as_subreg to cases in which the extracted
value is also a vector.
* lra-constraints.c (process_alt_operands): Test for the equivalence
substitutions when detecting a possible reload cycle.
2018-01-06 Jakub Jelinek <jakub@redhat.com>
PR debug/83480
* toplev.c (process_options): Don't enable debug_nonbind_markers_p
by default if flag_selective_schedling{,2}. Formatting fixes.
PR rtl-optimization/83682
* rtl.h (const_vec_duplicate_p): Only return true for VEC_DUPLICATE
if it has non-VECTOR_MODE element mode.
(vec_duplicate_p): Likewise.
PR middle-end/83694
* cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode
and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT.
2018-01-05 Jakub Jelinek <jakub@redhat.com>
PR target/83604
* config/i386/i386-builtin.def
(__builtin_ia32_vgf2p8affineinvqb_v64qi,
__builtin_ia32_vgf2p8affineqb_v64qi, __builtin_ia32_vgf2p8mulb_v64qi):
Require also OPTION_MASK_ISA_AVX512F in addition to
OPTION_MASK_ISA_GFNI.
(__builtin_ia32_vgf2p8affineinvqb_v16qi_mask,
__builtin_ia32_vgf2p8affineqb_v16qi_mask): Require
OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_SSE in addition
to OPTION_MASK_ISA_GFNI.
(__builtin_ia32_vgf2p8mulb_v32qi_mask): Require
OPTION_MASK_ISA_AVX512VL in addition to OPTION_MASK_ISA_GFNI and
OPTION_MASK_ISA_AVX512BW.
(__builtin_ia32_vgf2p8mulb_v16qi_mask): Require
OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_AVX512BW in
addition to OPTION_MASK_ISA_GFNI.
(__builtin_ia32_vgf2p8affineinvqb_v16qi,
__builtin_ia32_vgf2p8affineqb_v16qi, __builtin_ia32_vgf2p8mulb_v16qi):
Require OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_SSE in addition
to OPTION_MASK_ISA_GFNI.
* config/i386/i386.c (def_builtin): Change to builtin isa/isa2 being
a requirement for all ISAs rather than any of them with a few
exceptions.
(ix86_add_new_builtins): Clear OPTION_MASK_ISA_64BIT from isa before
processing.
(ix86_expand_builtin): Require all ISAs from builtin's isa and isa2
bitmasks to be enabled with 3 exceptions, instead of requiring any
enabled ISA with lots of exceptions.
* config/i386/sse.md (vgf2p8affineinvqb_<mode><mask_name>,
vgf2p8affineqb_<mode><mask_name>, vgf2p8mulb_<mode><mask_name>):
Change avx512bw in isa attribute to avx512f.
* config/i386/sgxintrin.h: Add license boilerplate.
* config/i386/vaesintrin.h: Likewise. Fix macro spelling __AVX512F
to __AVX512F__ and __AVX512VL to __AVX512VL__.
(_mm256_aesdec_epi128, _mm256_aesdeclast_epi128, _mm256_aesenc_epi128,
_mm256_aesenclast_epi128): Enable temporarily avx if __AVX__ is not
defined.
* config/i386/gfniintrin.h (_mm_gf2p8mul_epi8,
_mm_gf2p8affineinv_epi64_epi8, _mm_gf2p8affine_epi64_epi8): Enable
temporarily sse2 rather than sse if not enabled already.
PR target/83604
* config/i386/sse.md (VI248_VLBW): Rename to ...
(VI248_AVX512VL): ... this. Don't guard V32HI with TARGET_AVX512BW.
(vpshrd_<mode><mask_name>, vpshld_<mode><mask_name>,
vpshrdv_<mode>, vpshrdv_<mode>_mask, vpshrdv_<mode>_maskz,
vpshrdv_<mode>_maskz_1, vpshldv_<mode>, vpshldv_<mode>_mask,
vpshldv_<mode>_maskz, vpshldv_<mode>_maskz_1): Use VI248_AVX512VL
mode iterator instead of VI248_VLBW.
2018-01-05 Jan Hubicka <hubicka@ucw.cz>
* ipa-fnsummary.c (record_modified_bb_info): Add OP.
(record_modified): Skip clobbers; add debug output.
(param_change_prob): Use sreal frequencies.
2018-01-05 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
punt for user-aligned variables.
2018-01-05 Richard Sandiford <richard.sandiford@linaro.org>
* tree-chrec.c (chrec_contains_symbols): Return true for
POLY_INT_CST.
2018-01-05 Sudakshina Das <sudi.das@arm.com>
PR target/82439
* simplify-rtx.c (simplify_relational_operation_1): Add simplifications
of (x|y) == x for BICS pattern.
2018-01-05 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/83605
* gimple-ssa-strength-reduction.c: Include tree-eh.h.
(find_candidates_dom_walker::before_dom_children): Ignore stmts that
can throw.
2018-01-05 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration.
* config/epiphany/rtems.h: New file.
2018-01-04 Jakub Jelinek <jakub@redhat.com>
Uros Bizjak <ubizjak@gmail.com>
PR target/83554
* config/i386/i386.md (*<rotate_insn>hi3_1 splitter): Use
QIreg_operand instead of register_operand predicate.
* config/i386/i386.c (ix86_rop_should_change_byte_p,
set_rop_modrm_reg_bits, ix86_mitigate_rop): Use -mmitigate-rop in
comments instead of -fmitigate[-_]rop.
2018-01-04 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR bootstrap/81926
* cgraphunit.c (symbol_table::compile): Switch to text_section
before calling assembly_start debug hook.
* run-rtl-passes.c (run_rtl_passes): Likewise.
Include output.h.
2018-01-04 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vrp.c (extract_range_from_binary_expr_1): Check
range_int_cst_p rather than !symbolic_range_p before calling
extract_range_from_multiplicative_op_1.
2018-01-04 Jeff Law <law@redhat.com>
* tree-ssa-math-opts.c (execute_cse_reciprocals_1): Remove
redundant test in assertion.
2018-01-04 Richard Sandiford <richard.sandiford@linaro.org>
* doc/rtl.texi: Document machine_mode wrapper classes.
2018-01-04 Richard Sandiford <richard.sandiford@linaro.org>
* fold-const.c (fold_ternary_loc): Check tree_fits_uhwi_p before
using tree_to_uhwi.
2018-01-04 Richard Sandiford <richard.sandiford@linaro.org>
* tree-ssa-forwprop.c (is_combined_permutation_identity): Allow
the VEC_PERM_EXPR fold to fail.
2018-01-04 Jakub Jelinek <jakub@redhat.com>
PR debug/83585
* bb-reorder.c (insert_section_boundary_note): Set has_bb_partition
to switched_sections.
2018-01-04 Richard Sandiford <richard.sandiford@linaro.org>
PR target/83680
* config/arm/arm.c (arm_vectorize_vec_perm_const): Fix inverted
test for d.testing.
2018-01-04 Peter Bergner <bergner@vnet.ibm.com>
PR target/83387
* config/rs6000/rs6000.c (rs6000_discover_homogeneous_aggregate): Do not
allow arguments in FP registers if TARGET_HARD_FLOAT is false.
2018-01-04 Jakub Jelinek <jakub@redhat.com>
PR debug/83666
* cfgexpand.c (expand_debug_expr) <case BIT_FIELD_REF>: Punt if mode
is BLKmode and bitpos not zero or mode change is needed.
2018-01-04 Richard Sandiford <richard.sandiford@linaro.org>
PR target/83675
* config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Require
TARGET_VIS2.
2018-01-04 Uros Bizjak <ubizjak@gmail.com>
PR target/83628
* config/alpha/alpha.md (*sadd<modesuffix>): Use ASHIFT
instead of MULT rtx. Update all corresponding splitters.
(*saddl_se): Ditto.
(*ssub<modesuffix>): Ditto.
(*ssubl_se): Ditto.
(*cmp_sadd_di): Update split patterns.
(*cmp_sadd_si): Ditto.
(*cmp_sadd_sidi): Ditto.
(*cmp_ssub_di): Ditto.
(*cmp_ssub_si): Ditto.
(*cmp_ssub_sidi): Ditto.
* config/alpha/predicates.md (const23_operand): New predicate.
* config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]:
Look for ASHIFT, not MULT inner operand.
(alpha_split_conditional_move): Update for *sadd<modesuffix> change.
2018-01-04 Martin Liska <mliska@suse.cz>
PR gcov-profile/83669
* gcov.c (output_intermediate_file): Add version to intermediate
gcov file.
* doc/gcov.texi: Document new field 'version' in intermediate
file format. Fix location of '-k' option of gcov command.
2018-01-04 Martin Liska <mliska@suse.cz>
PR ipa/82352
* ipa-icf.c (sem_function::merge): Do not cross comdat boundary.
2018-01-04 Jakub Jelinek <jakub@redhat.com>
* gimple-ssa-sprintf.c (parse_directive): Cast second dir.len to uhwi.
2018-01-03 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83655
* gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid
checking calls with invalid arguments.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-stmts.c (vect_get_store_rhs): New function.
(vectorizable_mask_load_store): Delete.
(vectorizable_call): Return false for masked loads and stores.
(vectorizable_store): Handle IFN_MASK_STORE. Use vect_get_store_rhs
instead of gimple_assign_rhs1.
(vectorizable_load): Handle IFN_MASK_LOAD.
(vect_transform_stmt): Don't set is_store for call_vec_info_type.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-stmts.c (vect_build_gather_load_calls): New function,
split out from..,
(vectorizable_mask_load_store): ...here.
(vectorizable_load): ...and here.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-stmts.c (vect_build_all_ones_mask)
(vect_build_zero_merge_argument): New functions, split out from...
(vectorizable_load): ...here.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-stmts.c (vect_check_store_rhs): New function,
split out from...
(vectorizable_mask_load_store): ...here.
(vectorizable_store): ...and here.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-stmts.c (vect_check_load_store_mask): New function,
split out from...
(vectorizable_mask_load_store): ...here.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vectorizer.h (vec_load_store_type): Moved from tree-vec-stmts.c
(vect_model_store_cost): Take a vec_load_store_type instead of a
vect_def_type.
* tree-vect-stmts.c (vec_load_store_type): Move to tree-vectorizer.h.
(vect_model_store_cost): Take a vec_load_store_type instead of a
vect_def_type.
(vectorizable_mask_load_store): Update accordingly.
(vectorizable_store): Likewise.
* tree-vect-slp.c (vect_analyze_slp_cost_1): Update accordingly.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-loop.c (vect_transform_loop): Stub out scalar
IFN_MASK_LOAD calls here rather than...
* tree-vect-stmts.c (vectorizable_mask_load_store): ...here.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* expmed.c (extract_bit_field_1): For vector extracts,
fall back to extract_bit_field_as_subreg if vec_extract
isn't available.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* lra-spills.c (pseudo_reg_slot_compare): Sort slots by whether
they are variable or constant sized.
(assign_stack_slot_num_and_sort_pseudos): Don't reuse variable-sized
slots for constant-sized data.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-patterns.c (vect_recog_mask_conversion_pattern): When
handling COND_EXPRs with boolean comparisons, try to find a better
basis for the mask type than the boolean itself.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* doc/rtl.texi (MAX_BITSIZE_MODE_ANY_MODE): Describe how the default
is calculated and how it can be overridden.
* genmodes.c (max_bitsize_mode_any_mode): New variable.
(create_modes): Initialize it from MAX_BITSIZE_MODE_ANY_MODE,
if defined.
(emit_max_int): Use it to set the output MAX_BITSIZE_MODE_ANY_MODE,
if nonzero.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_output_simd_mov_immediate):
Remove the mode argument.
(aarch64_simd_valid_immediate): Remove the mode and inverse
arguments.
* config/aarch64/iterators.md (bitsize): New iterator.
* config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>, and<mode>3)
(ior<mode>3): Update calls to aarch64_output_simd_mov_immediate.
* config/aarch64/constraints.md (Do, Db, Dn): Update calls to
aarch64_simd_valid_immediate.
* config/aarch64/predicates.md (aarch64_reg_or_orr_imm): Likewise.
(aarch64_reg_or_bic_imm): Likewise.
* config/aarch64/aarch64.c (simd_immediate_info): Replace mvn
with an insn_type enum and msl with a modifier_type enum.
Replace element_width with a scalar_mode. Change the shift
to unsigned int. Add constructors for scalar_float_mode and
scalar_int_mode elements.
(aarch64_vect_float_const_representable_p): Delete.
(aarch64_can_const_movi_rtx_p)
(aarch64_simd_scalar_immediate_valid_for_move)
(aarch64_simd_make_constant): Update call to
aarch64_simd_valid_immediate.
(aarch64_advsimd_valid_immediate_hs): New function.
(aarch64_advsimd_valid_immediate): Likewise.
(aarch64_simd_valid_immediate): Remove mode and inverse
arguments. Rewrite to use the above. Use const_vec_duplicate_p
to detect duplicated constants and use aarch64_float_const_zero_rtx_p
and aarch64_float_const_representable_p on the result.
(aarch64_output_simd_mov_immediate): Remove mode argument.
Update call to aarch64_simd_valid_immediate and use of
simd_immediate_info.
(aarch64_output_scalar_simd_mov_immediate): Update call
accordingly.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* machmode.h (mode_precision): Prefix with CONST_MODE_PRECISION.
(mode_nunits): Likewise CONST_MODE_NUNITS.
* machmode.def (ADJUST_NUNITS): Document.
* genmodes.c (mode_data::need_nunits_adj): New field.
(blank_mode): Update accordingly.
(adj_nunits): New variable.
(print_maybe_const_decl): Replace CATEGORY with a NEEDS_ADJ
parameter.
(emit_mode_size_inline): Set need_bytesize_adj for all modes
listed in adj_nunits.
(emit_mode_nunits_inline): Set need_nunits_adj for all modes
listed in adj_nunits. Don't emit case statements for such modes.
(emit_insn_modes_h): Emit definitions of CONST_MODE_NUNITS
and CONST_MODE_PRECISION. Make CONST_MODE_SIZE expand to
nothing if adj_nunits is nonnull.
(emit_mode_precision, emit_mode_nunits): Use print_maybe_const_decl.
(emit_mode_unit_size, emit_mode_base_align, emit_mode_ibit)
(emit_mode_fbit): Update use of print_maybe_const_decl.
(emit_move_size): Likewise. Treat the array as non-const
if adj_nunits.
(emit_mode_adjustments): Handle adj_nunits.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* machmode.def (VECTOR_MODES_WITH_PREFIX): Document.
* genmodes.c (VECTOR_MODES_WITH_PREFIX): New macro.
(VECTOR_MODES): Use it.
(make_vector_modes): Take the prefix as an argument.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* mode-classes.def (MODE_VECTOR_BOOL): New mode class.
* machmode.h (INTEGRAL_MODE_P, VECTOR_MODE_P): Return true
for MODE_VECTOR_BOOL.
* machmode.def (VECTOR_BOOL_MODE): Document.
* genmodes.c (VECTOR_BOOL_MODE): New macro.
(make_vector_bool_mode): New function.
(complete_mode, emit_mode_wider, emit_mode_adjustments): Handle
MODE_VECTOR_BOOL.
* lto-streamer-in.c (lto_input_mode_table): Likewise.
* rtx-vector-builder.c (rtx_vector_builder::find_cached_value):
Likewise.
* stor-layout.c (int_mode_for_mode): Likewise.
* tree.c (build_vector_type_for_mode): Likewise.
* varasm.c (output_constant_pool_2): Likewise.
* emit-rtl.c (init_emit_once): Make sure that CONST1_RTX (BImode) and
CONSTM1_RTX (BImode) are the same thing. Initialize const_tiny_rtx
for MODE_VECTOR_BOOL.
* expr.c (expand_expr_real_1): Use VECTOR_MODE_P instead of a list
of mode class checks.
* tree-vect-generic.c (expand_vector_operation): Use VECTOR_MODE_P
instead of a list of mode class checks.
(expand_vector_scalar_condition): Likewise.
(type_for_widest_vector_mode): Handle BImode as an inner mode.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* machmode.h (mode_size): Change from unsigned short to
poly_uint16_pod.
(mode_to_bytes): Return a poly_uint16 rather than an unsigned short.
(GET_MODE_SIZE): Return a constant if ONLY_FIXED_SIZE_MODES,
or if measurement_type is not polynomial.
(fixed_size_mode::includes_p): Check for constant-sized modes.
* genmodes.c (emit_mode_size_inline): Make mode_size_inline
return a poly_uint16 rather than an unsigned short.
(emit_mode_size): Change the type of mode_size from unsigned short
to poly_uint16_pod. Use ZERO_COEFFS for the initializer.
(emit_mode_adjustments): Cope with polynomial vector sizes.
* lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
for GET_MODE_SIZE.
* lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
for GET_MODE_SIZE.
* auto-inc-dec.c (try_merge): Treat GET_MODE_SIZE as polynomial.
* builtins.c (expand_ifn_atomic_compare_exchange_into_call): Likewise.
* caller-save.c (setup_save_areas): Likewise.
(replace_reg_with_saved_mem): Likewise.
* calls.c (emit_library_call_value_1): Likewise.
* combine-stack-adj.c (combine_stack_adjustments_for_block): Likewise.
* combine.c (simplify_set, make_extraction, simplify_shift_const_1)
(gen_lowpart_for_combine): Likewise.
* convert.c (convert_to_integer_1): Likewise.
* cse.c (equiv_constant, cse_insn): Likewise.
* cselib.c (autoinc_split, cselib_hash_rtx): Likewise.
(cselib_subst_to_values): Likewise.
* dce.c (word_dce_process_block): Likewise.
* df-problems.c (df_word_lr_mark_ref): Likewise.
* dwarf2cfi.c (init_one_dwarf_reg_size): Likewise.
* dwarf2out.c (multiple_reg_loc_descriptor, mem_loc_descriptor)
(concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor)
(rtl_for_decl_location): Likewise.
* emit-rtl.c (gen_highpart, widen_memory_access): Likewise.
* expmed.c (extract_bit_field_1, extract_integral_bit_field): Likewise.
* expr.c (emit_group_load_1, clear_storage_hints): Likewise.
(emit_move_complex, emit_move_multi_word, emit_push_insn): Likewise.
(expand_expr_real_1): Likewise.
* function.c (assign_parm_setup_block_p, assign_parm_setup_block)
(pad_below): Likewise.
* gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise.
* gimple-ssa-store-merging.c (rhs_valid_for_store_merging_p): Likewise.
* ira.c (get_subreg_tracking_sizes): Likewise.
* ira-build.c (ira_create_allocno_objects): Likewise.
* ira-color.c (coalesced_pseudo_reg_slot_compare): Likewise.
(ira_sort_regnos_for_alter_reg): Likewise.
* ira-costs.c (record_operand_costs): Likewise.
* lower-subreg.c (interesting_mode_p, simplify_gen_subreg_concatn)
(resolve_simple_move): Likewise.
* lra-constraints.c (get_reload_reg, operands_match_p): Likewise.
(process_addr_reg, simplify_operand_subreg, curr_insn_transform)
(lra_constraints): Likewise.
(CONST_POOL_OK_P): Reject variable-sized modes.
* lra-spills.c (slot, assign_mem_slot, pseudo_reg_slot_compare)
(add_pseudo_to_slot, lra_spill): Likewise.
* omp-low.c (omp_clause_aligned_alignment): Likewise.
* optabs-query.c (get_best_extraction_insn): Likewise.
* optabs-tree.c (expand_vec_cond_expr_p): Likewise.
* optabs.c (expand_vec_perm_var, expand_vec_cond_expr): Likewise.
(expand_mult_highpart, valid_multiword_target_p): Likewise.
* recog.c (offsettable_address_addr_space_p): Likewise.
* regcprop.c (maybe_mode_change): Likewise.
* reginfo.c (choose_hard_reg_mode, record_subregs_of_mode): Likewise.
* regrename.c (build_def_use): Likewise.
* regstat.c (dump_reg_info): Likewise.
* reload.c (complex_word_subreg_p, push_reload, find_dummy_reload)
(find_reloads, find_reloads_subreg_address): Likewise.
* reload1.c (eliminate_regs_1): Likewise.
* rtlanal.c (for_each_inc_dec_find_inc_dec, rtx_cost): Likewise.
* simplify-rtx.c (avoid_constant_pool_reference): Likewise.
(simplify_binary_operation_1, simplify_subreg): Likewise.
* targhooks.c (default_function_arg_padding): Likewise.
(default_hard_regno_nregs, default_class_max_nregs): Likewise.
* tree-cfg.c (verify_gimple_assign_binary): Likewise.
(verify_gimple_assign_ternary): Likewise.
* tree-inline.c (estimate_move_cost): Likewise.
* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
* tree-ssa-loop-ivopts.c (add_autoinc_candidates): Likewise.
(get_address_cost_ainc): Likewise.
* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
(vect_supportable_dr_alignment): Likewise.
* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
(vectorizable_reduction): Likewise.
* tree-vect-stmts.c (vectorizable_assignment, vectorizable_shift)
(vectorizable_operation, vectorizable_load): Likewise.
* tree.c (build_same_sized_truth_vector_type): Likewise.
* valtrack.c (cleanup_auto_inc_dec): Likewise.
* var-tracking.c (emit_note_insn_var_location): Likewise.
* config/arc/arc.h (ASM_OUTPUT_CASE_END): Use as_a <scalar_int_mode>.
(ADDR_VEC_ALIGN): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* machmode.h (mode_to_bits): Return a poly_uint16 rather than an
unsigned short.
(GET_MODE_BITSIZE): Return a constant if ONLY_FIXED_SIZE_MODES,
or if measurement_type is polynomial.
* calls.c (shift_return_value): Treat GET_MODE_BITSIZE as polynomial.
* combine.c (make_extraction): Likewise.
* dse.c (find_shift_sequence): Likewise.
* dwarf2out.c (mem_loc_descriptor): Likewise.
* expmed.c (store_integral_bit_field, extract_bit_field_1): Likewise.
(extract_bit_field, extract_low_bits): Likewise.
* expr.c (convert_move, convert_modes, emit_move_insn_1): Likewise.
(optimize_bitfield_assignment_op, expand_assignment): Likewise.
(store_expr_with_bounds, store_field, expand_expr_real_1): Likewise.
* fold-const.c (optimize_bit_field_compare, merge_ranges): Likewise.
* gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise.
* reload.c (find_reloads): Likewise.
* reload1.c (alter_reg): Likewise.
* stor-layout.c (bitwise_mode_for_mode, compute_record_mode): Likewise.
* targhooks.c (default_secondary_memory_needed_mode): Likewise.
* tree-if-conv.c (predicate_mem_writes): Likewise.
* tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
* tree-vect-patterns.c (adjust_bool_pattern): Likewise.
* tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
* valtrack.c (dead_debug_insert_temp): Likewise.
* varasm.c (mergeable_constant_section): Likewise.
* config/sh/sh.h (LOCAL_ALIGNMENT): Use as_a <fixed_size_mode>.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* expr.c (expand_assignment): Cope with polynomial mode sizes
when assigning to a CONCAT.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* machmode.h (mode_precision): Change from unsigned short to
poly_uint16_pod.
(mode_to_precision): Return a poly_uint16 rather than an unsigned
short.
(GET_MODE_PRECISION): Return a constant if ONLY_FIXED_SIZE_MODES,
or if measurement_type is not polynomial.
(HWI_COMPUTABLE_MODE_P): Turn into a function. Optimize the case
in which the mode is already known to be a scalar_int_mode.
* genmodes.c (emit_mode_precision): Change the type of mode_precision
from unsigned short to poly_uint16_pod. Use ZERO_COEFFS for the
initializer.
* lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
for GET_MODE_PRECISION.
* lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
for GET_MODE_PRECISION.
* combine.c (update_rsp_from_reg_equal): Treat GET_MODE_PRECISION
as polynomial.
(try_combine, find_split_point, combine_simplify_rtx): Likewise.
(expand_field_assignment, make_extraction): Likewise.
(make_compound_operation_int, record_dead_and_set_regs_1): Likewise.
(get_last_value): Likewise.
* convert.c (convert_to_integer_1): Likewise.
* cse.c (cse_insn): Likewise.
* expr.c (expand_expr_real_1): Likewise.
* lra-constraints.c (simplify_operand_subreg): Likewise.
* optabs-query.c (can_atomic_load_p): Likewise.
* optabs.c (expand_atomic_load): Likewise.
(expand_atomic_store): Likewise.
* ree.c (combine_reaching_defs): Likewise.
* rtl.h (partial_subreg_p, paradoxical_subreg_p): Likewise.
* rtlanal.c (nonzero_bits1, lsb_bitfield_op_p): Likewise.
* tree.h (type_has_mode_precision_p): Likewise.
* ubsan.c (instrument_si_overflow): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree.h (TYPE_VECTOR_SUBPARTS): Turn into a function and handle
polynomial numbers of units.
(SET_TYPE_VECTOR_SUBPARTS): Likewise.
(valid_vector_subparts_p): New function.
(build_vector_type): Remove temporary shim and take the number
of units as a poly_uint64 rather than an int.
(build_opaque_vector_type): Take the number of units as a
poly_uint64 rather than an int.
* tree.c (build_vector_from_ctor): Handle polynomial
TYPE_VECTOR_SUBPARTS.
(type_hash_canon_hash, type_cache_hasher::equal): Likewise.
(uniform_vector_p, vector_type_mode, build_vector): Likewise.
(build_vector_from_val): If the number of units is variable,
use build_vec_duplicate_cst for constant operands and
VEC_DUPLICATE_EXPR otherwise.
(make_vector_type): Remove temporary is_constant ().
(build_vector_type, build_opaque_vector_type): Take the number of
units as a poly_uint64 rather than an int.
(check_vector_cst): Handle polynomial TYPE_VECTOR_SUBPARTS and
VECTOR_CST_NELTS.
* cfgexpand.c (expand_debug_expr): Likewise.
* expr.c (count_type_elements, categorize_ctor_elements_1): Likewise.
(store_constructor, expand_expr_real_1): Likewise.
(const_scalar_mask_from_tree): Likewise.
* fold-const-call.c (fold_const_reduction): Likewise.
* fold-const.c (const_binop, const_unop, fold_convert_const): Likewise.
(operand_equal_p, fold_vec_perm, fold_ternary_loc): Likewise.
(native_encode_vector, vec_cst_ctor_to_array): Likewise.
(fold_relational_const): Likewise.
(native_interpret_vector): Likewise. Change the size from an
int to an unsigned int.
* gimple-fold.c (gimple_fold_stmt_to_constant_1): Handle polynomial
TYPE_VECTOR_SUBPARTS.
(gimple_fold_indirect_ref, gimple_build_vector): Likewise.
(gimple_build_vector_from_val): Use VEC_DUPLICATE_EXPR when
duplicating a non-constant operand into a variable-length vector.
* hsa-brig.c (hsa_op_immed::emit_to_buffer): Handle polynomial
TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS.
* ipa-icf.c (sem_variable::equals): Likewise.
* match.pd: Likewise.
* omp-simd-clone.c (simd_clone_subparts): Likewise.
* print-tree.c (print_node): Likewise.
* stor-layout.c (layout_type): Likewise.
* targhooks.c (default_builtin_vectorization_cost): Likewise.
* tree-cfg.c (verify_gimple_comparison): Likewise.
(verify_gimple_assign_binary): Likewise.
(verify_gimple_assign_ternary): Likewise.
(verify_gimple_assign_single): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
(simplify_bitfield_ref, is_combined_permutation_identity): Likewise.
* tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
(vect_grouped_load_supported, vect_permute_load_chain): Likewise.
(vect_shift_permute_load_chain): Likewise.
* tree-vect-generic.c (nunits_for_known_piecewise_op): Likewise.
(expand_vector_condition, optimize_vector_constructor): Likewise.
(lower_vec_perm, get_compute_type): Likewise.
* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
(get_initial_defs_for_reduction, vect_transform_loop): Likewise.
* tree-vect-patterns.c (vect_recog_bool_pattern): Likewise.
(vect_recog_mask_conversion_pattern): Likewise.
* tree-vect-slp.c (vect_supported_load_permutation_p): Likewise.
(vect_get_constant_vectors, vect_transform_slp_perm_load): Likewise.
* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
(get_group_load_store_type, vectorizable_mask_load_store): Likewise.
(vectorizable_bswap, simd_clone_subparts, vectorizable_assignment)
(vectorizable_shift, vectorizable_operation, vectorizable_store)
(vectorizable_load, vect_is_simple_cond, vectorizable_comparison)
(supportable_widening_operation): Likewise.
(supportable_narrowing_operation): Likewise.
* tree-vector-builder.c (tree_vector_builder::binary_encoded_nelts):
Likewise.
* varasm.c (output_constant): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-data-refs.c (vect_permute_store_chain): Reorganize
so that both the length == 3 and length != 3 cases set up their
own permute vectors. Add comments explaining why we know the
number of elements is constant.
(vect_permute_load_chain): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* machmode.h (mode_nunits): Change from unsigned char to
poly_uint16_pod.
(ONLY_FIXED_SIZE_MODES): New macro.
(pod_mode::measurement_type, scalar_int_mode::measurement_type)
(scalar_float_mode::measurement_type, scalar_mode::measurement_type)
(complex_mode::measurement_type, fixed_size_mode::measurement_type):
New typedefs.
(mode_to_nunits): Return a poly_uint16 rather than an unsigned short.
(GET_MODE_NUNITS): Return a constant if ONLY_FIXED_SIZE_MODES,
or if measurement_type is not polynomial.
* genmodes.c (ZERO_COEFFS): New macro.
(emit_mode_nunits_inline): Make mode_nunits_inline return a
poly_uint16.
(emit_mode_nunits): Change the type of mode_nunits to poly_uint16_pod.
Use ZERO_COEFFS when emitting initializers.
* data-streamer.h (bp_pack_poly_value): New function.
(bp_unpack_poly_value): Likewise.
* lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
for GET_MODE_NUNITS.
* lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
for GET_MODE_NUNITS.
* tree.c (make_vector_type): Remove temporary shim and make
the real function take the number of units as a poly_uint64
rather than an int.
(build_vector_type_for_mode): Handle polynomial nunits.
* dwarf2out.c (loc_descriptor, add_const_value_attribute): Likewise.
* emit-rtl.c (const_vec_series_p_1): Likewise.
(gen_rtx_CONST_VECTOR): Likewise.
* fold-const.c (test_vec_duplicate_folding): Likewise.
* genrecog.c (validate_pattern): Likewise.
* optabs-query.c (can_vec_perm_var_p, can_mult_highpart_p): Likewise.
* optabs-tree.c (expand_vec_cond_expr_p): Likewise.
* optabs.c (expand_vector_broadcast, expand_binop_directly): Likewise.
(shift_amt_for_vec_perm_mask, expand_vec_perm_var): Likewise.
(expand_vec_cond_expr, expand_mult_highpart): Likewise.
* rtlanal.c (subreg_get_info): Likewise.
* tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
(vect_grouped_load_supported): Likewise.
* tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
* tree-vect-loop.c (have_whole_vector_shift): Likewise.
* simplify-rtx.c (simplify_unary_operation_1): Likewise.
(simplify_const_unary_operation, simplify_binary_operation_1)
(simplify_const_binary_operation, simplify_ternary_operation)
(test_vector_ops_duplicate, test_vector_ops): Likewise.
(simplify_immed_subreg): Use GET_MODE_NUNITS on a fixed_size_mode
instead of CONST_VECTOR_NUNITS.
* varasm.c (output_constant_pool_2): Likewise.
* rtx-vector-builder.c (rtx_vector_builder::build): Only include the
explicit-encoded elements in the XVEC for variable-length vectors.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* lra-constraints.c (curr_insn_transform): Use partial_subreg_p.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* coretypes.h (fixed_size_mode): Declare.
(fixed_size_mode_pod): New typedef.
* builtins.h (target_builtins::x_apply_args_mode)
(target_builtins::x_apply_result_mode): Change type to
fixed_size_mode_pod.
* builtins.c (apply_args_size, apply_result_size, result_vector)
(expand_builtin_apply_args_1, expand_builtin_apply)
(expand_builtin_return): Update accordingly.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* cse.c (hash_rtx_cb): Hash only the encoded elements.
* cselib.c (cselib_hash_rtx): Likewise.
* expmed.c (make_tree): Build VECTOR_CSTs directly from the
CONST_VECTOR encoding.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
Jeff Law <law@redhat.com>
PR target/83641
* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For
noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop,
only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp
and add REG_CFA_ADJUST_CFA notes in that case to both insns.
PR target/83641
* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not
explicitly probe *sp in a noreturn function if there were any callee
register saves or frame pointer is needed.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
PR debug/83621
* cfgexpand.c (expand_debug_expr): Return NULL if mode is
BLKmode for ternary, binary or unary expressions.
PR debug/83645
* var-tracking.c (delete_vta_debug_insn): New inline function.
(delete_vta_debug_insns): Add USE_CFG argument, if true, walk just
insns from get_insns () to NULL instead of each bb separately.
Use delete_vta_debug_insn. No longer static.
(vt_debug_insns_local, variable_tracking_main_1): Adjust
delete_vta_debug_insns callers.
* rtl.h (delete_vta_debug_insns): Declare.
* final.c (rest_of_handle_final): Call delete_vta_debug_insns
instead of variable_tracking_main.
2018-01-03 Martin Sebor <msebor@redhat.com>
PR tree-optimization/83603
* calls.c (maybe_warn_nonstring_arg): Avoid accessing function
arguments past the endof the argument list in functions declared
without a prototype.
* gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call):
Avoid checking when arguments are null.
2018-01-03 Martin Sebor <msebor@redhat.com>
PR c/83559
* doc/extend.texi (attribute const): Fix a typo.
* ipa-pure-const.c ((warn_function_const, warn_function_pure): Avoid
issuing -Wsuggest-attribute for void functions.
2018-01-03 Martin Sebor <msebor@redhat.com>
* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use
offset_int::from instead of wide_int::to_shwi.
(maybe_diag_overlap): Remove assertion.
Use HOST_WIDE_INT_PRINT_DEC instead of %lli.
* gimple-ssa-sprintf.c (format_directive): Same.
(parse_directive): Same.
(sprintf_dom_walker::compute_format_length): Same.
(try_substitute_return_value): Same.
2018-01-03 Jeff Law <law@redhat.com>
PR middle-end/83654
* explow.c (anti_adjust_stack_and_probe_stack_clash): Test a
non-constant residual for zero at runtime and avoid probing in
that case. Reorganize code for trailing problem to mirror handling
of the residual.
2018-01-03 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR tree-optimization/83501
* tree-ssa-strlen.c (get_string_cst): New.
(handle_char_store): Call get_string_cst.
2018-01-03 Martin Liska <mliska@suse.cz>
PR tree-optimization/83593
* tree-ssa-strlen.c: Include tree-cfg.h.
(strlen_check_and_optimize_stmt): Add new argument cleanup_eh.
(strlen_dom_walker): Add new member variable m_cleanup_cfg.
(strlen_dom_walker::strlen_dom_walker): Initialize m_cleanup_cfg
to false.
(strlen_dom_walker::before_dom_children): Call
gimple_purge_dead_eh_edges. Dump tranformation with details
dump flags.
(strlen_dom_walker::before_dom_children): Update call by adding
new argument cleanup_eh.
(pass_strlen::execute): Return TODO_cleanup_cfg if needed.
2018-01-03 Martin Liska <mliska@suse.cz>
PR ipa/83549
* cif-code.def (VARIADIC_THUNK): New enum value.
* ipa-fnsummary.c (compute_fn_summary): Do not inline variadic
thunks.
2018-01-03 Jan Beulich <jbeulich@suse.com>
* sse.md (mov<mode>_internal): Tighten condition for when to use
vmovdqu<ssescalarsize> for TI and OI modes.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2018-01-03 Martin Liska <mliska@suse.cz>
PR ipa/83594
* ipa-visibility.c (function_and_variable_visibility): Skip
functions with noipa attribure.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
* gcc.c (process_command): Update copyright notice dates.
* gcov-dump.c (print_version): Ditto.
* gcov.c (print_version): Ditto.
* gcov-tool.c (print_version): Ditto.
* gengtype.c (create_file): Ditto.
* doc/cpp.texi: Bump @copying's copyright year.
* doc/cppinternals.texi: Ditto.
* doc/gcc.texi: Ditto.
* doc/gccint.texi: Ditto.
* doc/gcov.texi: Ditto.
* doc/install.texi: Ditto.
* doc/invoke.texi: Ditto.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* vector-builder.h (vector_builder::m_full_nelts): Change from
unsigned int to poly_uint64.
(vector_builder::full_nelts): Update prototype accordingly.
(vector_builder::new_vector): Likewise.
(vector_builder::encoded_full_vector_p): Handle polynomial full_nelts.
(vector_builder::operator ==): Likewise.
(vector_builder::finalize): Likewise.
* int-vector-builder.h (int_vector_builder::int_vector_builder):
Take the number of elements as a poly_uint64 rather than an
unsigned int.
* vec-perm-indices.h (vec_perm_indices::m_nelts_per_input): Change
from unsigned int to poly_uint64.
(vec_perm_indices::vec_perm_indices): Update prototype accordingly.
(vec_perm_indices::new_vector): Likewise.
(vec_perm_indices::length): Likewise.
(vec_perm_indices::nelts_per_input): Likewise.
(vec_perm_indices::input_nelts): Likewise.
* vec-perm-indices.c (vec_perm_indices::new_vector): Take the
number of elements per input as a poly_uint64 rather than an
unsigned int. Use the original encoding for variable-length
vectors, rather than clamping each individual element.
For the second and subsequent elements in each pattern,
clamp the step and base before clamping their sum.
(vec_perm_indices::series_p): Handle polynomial element counts.
(vec_perm_indices::all_in_range_p): Likewise.
(vec_perm_indices_to_tree): Likewise.
(vec_perm_indices_to_rtx): Likewise.
* tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
* tree-vector-builder.c (tree_vector_builder::new_unary_operation)
(tree_vector_builder::new_binary_operation): Handle polynomial
element counts. Return false if we need to know the number
of elements at compile time.
* fold-const.c (fold_vec_perm): Punt if the number of elements
isn't known at compile time.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* vec-perm-indices.h (vec_perm_builder): Change element type
from HOST_WIDE_INT to poly_int64.
(vec_perm_indices::element_type): Update accordingly.
(vec_perm_indices::clamp): Handle polynomial element_types.
* vec-perm-indices.c (vec_perm_indices::series_p): Likewise.
(vec_perm_indices::all_in_range_p): Likewise.
(tree_to_vec_perm_builder): Check for poly_int64 trees rather
than shwi trees.
* vector-builder.h (vector_builder::stepped_sequence_p): Handle
polynomial vec_perm_indices element types.
* int-vector-builder.h (int_vector_builder::equal_p): Likewise.
* fold-const.c (fold_vec_perm): Likewise.
* optabs.c (shift_amt_for_vec_perm_mask): Likewise.
* tree-vect-generic.c (lower_vec_perm): Likewise.
* tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
* config/aarch64/aarch64.c (aarch64_evpc_tbl): Cast d->perm
element type to HOST_WIDE_INT.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* alias.c (addr_side_effect_eval): Take the size as a poly_int64
rather than an int. Use plus_constant.
(memrefs_conflict_p): Take the sizes as poly_int64s rather than ints.
Take the offset "c" as a poly_int64 rather than a HOST_WIDE_INT.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* calls.c (emit_call_1, expand_call): Change struct_value_size from
a HOST_WIDE_INT to a poly_int64.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* calls.c (load_register_parameters): Cope with polynomial
mode sizes. Require a constant size for BLKmode parameters
that aren't described by a PARALLEL. If BLOCK_REG_PADDING
forces a parameter to be padded at the lsb end in order to
fill a complete number of words, require the parameter size
to be ordered wrt UNITS_PER_WORD.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* reload1.c (spill_stack_slot_width): Change element type
from unsigned int to poly_uint64_pod.
(alter_reg): Treat mode sizes as polynomial.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* reload.c (complex_word_subreg_p): New function.
(reload_inner_reg_of_subreg, push_reload): Use it.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* lra-constraints.c (process_alt_operands): Reject matched
operands whose sizes aren't ordered.
(match_reload): Refer to this check here.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* builtins.c (expand_ifn_atomic_compare_exchange_into_call): Assert
that the mode size is in the set {1, 2, 4, 8, 16}.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* var-tracking.c (adjust_mems): Treat mode sizes as polynomial.
Use plus_constant instead of gen_rtx_PLUS.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* config/cr16/cr16-protos.h (cr16_push_rounding): Declare.
* config/cr16/cr16.h (PUSH_ROUNDING): Move implementation to...
* config/cr16/cr16.c (cr16_push_rounding): ...this new function.
* config/h8300/h8300-protos.h (h8300_push_rounding): Declare.
* config/h8300/h8300.h (PUSH_ROUNDING): Move implementation to...
* config/h8300/h8300.c (h8300_push_rounding): ...this new function.
* config/i386/i386-protos.h (ix86_push_rounding): Declare.
* config/i386/i386.h (PUSH_ROUNDING): Move implementation to...
* config/i386/i386.c (ix86_push_rounding): ...this new function.
* config/m32c/m32c-protos.h (m32c_push_rounding): Take and return
a poly_int64.
* config/m32c/m32c.c (m32c_push_rounding): Likewise.
* config/m68k/m68k-protos.h (m68k_push_rounding): Declare.
* config/m68k/m68k.h (PUSH_ROUNDING): Move implementation to...
* config/m68k/m68k.c (m68k_push_rounding): ...this new function.
* config/pdp11/pdp11-protos.h (pdp11_push_rounding): Declare.
* config/pdp11/pdp11.h (PUSH_ROUNDING): Move implementation to...
* config/pdp11/pdp11.c (pdp11_push_rounding): ...this new function.
* config/stormy16/stormy16-protos.h (xstormy16_push_rounding): Declare.
* config/stormy16/stormy16.h (PUSH_ROUNDING): Move implementation to...
* config/stormy16/stormy16.c (xstormy16_push_rounding): ...this new
function.
* expr.c (emit_move_resolve_push): Treat the input and result
of PUSH_ROUNDING as a poly_int64.
(emit_move_complex_push, emit_single_push_insn_1): Likewise.
(emit_push_insn): Likewise.
* lra-eliminations.c (mark_not_eliminable): Likewise.
* recog.c (push_operand): Likewise.
* reload1.c (elimination_effects): Likewise.
* rtlanal.c (nonzero_bits1): Likewise.
* calls.c (store_one_arg): Likewise. Require the padding to be
known at compile time.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* expr.c (emit_single_push_insn_1): Treat mode sizes as polynomial.
Use plus_constant instead of gen_rtx_PLUS.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64
rather than an int.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* expr.c (expand_expr_real_1): Use tree_to_poly_uint64
instead of int_size_in_bytes when handling VIEW_CONVERT_EXPRs
via stack temporaries. Treat the mode size as polynomial too.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* expr.c (expand_expr_real_2): When handling conversions involving
unions, apply tree_to_poly_uint64 to the TYPE_SIZE rather than
multiplying int_size_in_bytes by BITS_PER_UNIT. Treat GET_MODE_BISIZE
as a poly_uint64 too.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* rtlanal.c (subreg_get_info): Handle polynomial mode sizes.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* combine.c (can_change_dest_mode): Handle polynomial
REGMODE_NATURAL_SIZE.
* expmed.c (store_bit_field_1): Likewise.
* expr.c (store_constructor): Likewise.
* emit-rtl.c (validate_subreg): Operate on polynomial mode sizes
and polynomial REGMODE_NATURAL_SIZE.
(gen_lowpart_common): Likewise.
* reginfo.c (record_subregs_of_mode): Likewise.
* rtlanal.c (read_modify_subreg_p): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* internal-fn.c (expand_vector_ubsan_overflow): Handle polynomial
numbers of elements.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* match.pd: Cope with polynomial numbers of vector elements.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* fold-const.c (fold_indirect_ref_1): Handle polynomial offsets
in a POINTER_PLUS_EXPR.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* omp-simd-clone.c (simd_clone_subparts): New function.
(simd_clone_init_simd_arrays): Use it instead of TYPE_VECTOR_SUBPARTS.
(ipa_simd_modify_function_body): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-generic.c (nunits_for_known_piecewise_op): New function.
(expand_vector_piecewise): Use it instead of TYPE_VECTOR_SUBPARTS.
(expand_vector_addition, add_rshift, expand_vector_divmod): Likewise.
(expand_vector_condition, vector_element): Likewise.
(subparts_gt): New function.
(get_compute_type): Use subparts_gt.
(count_type_subparts): Delete.
(expand_vector_operations_1): Use subparts_gt instead of
count_type_subparts.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-data-refs.c (vect_no_alias_p): Replace with...
(vect_compile_time_alias): ...this new function. Do the calculation
on poly_ints rather than trees.
(vect_prune_runtime_alias_test_list): Update call accordingly.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-slp.c (vect_build_slp_tree_1): Handle polynomial
numbers of units.
(vect_schedule_slp_instance): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-slp.c (vect_get_and_check_slp_defs): Reject
constant and extern definitions for variable-length vectors.
(vect_get_constant_vectors): Note that the number of units
is known to be constant.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-stmts.c (vectorizable_conversion): Treat the number
of units as polynomial. Choose between WIDE and NARROW based
on multiple_p.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-stmts.c (simd_clone_subparts): New function.
(vectorizable_simd_clone_call): Use it instead of TYPE_VECTOR_SUBPARTS.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-stmts.c (vectorizable_call): Treat the number of
vectors as polynomial. Use build_index_vector for
IFN_GOMP_SIMD_LANE.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-stmts.c (get_load_store_type): Treat the number of
units as polynomial. Reject VMAT_ELEMENTWISE and VMAT_STRIDED_SLP
for variable-length vectors.
(vectorizable_mask_load_store): Treat the number of units as
polynomial, asserting that it is constant if the condition has
already been enforced.
(vectorizable_store, vectorizable_load): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-loop.c (vectorizable_live_operation): Treat the number
of units as polynomial. Punt if we can't tell at compile time
which vector contains the final result.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-loop.c (vectorizable_induction): Treat the number
of units as polynomial. Punt on SLP inductions. Use an integer
VEC_SERIES_EXPR for variable-length integer reductions. Use a
cast of such a series for variable-length floating-point
reductions.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree.h (build_index_vector): Declare.
* tree.c (build_index_vector): New function.
* tree-vect-loop.c (get_initial_defs_for_reduction): Treat the number
of units as polynomial, forcibly converting it to a constant if
vectorizable_reduction has already enforced the condition.
(vect_create_epilog_for_reduction): Likewise. Use build_index_vector
to create a {1,2,3,...} vector.
(vectorizable_reduction): Treat the number of units as polynomial.
Choose vectype_in based on the largest scalar element size rather
than the smallest number of units. Enforce the restrictions
relied on above.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-data-refs.c (vector_alignment_reachable_p): Treat the
number of units as polynomial.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* target.h (vector_sizes, auto_vector_sizes): New typedefs.
* target.def (autovectorize_vector_sizes): Return the vector sizes
by pointer, using vector_sizes rather than a bitmask.
* targhooks.h (default_autovectorize_vector_sizes): Update accordingly.
* targhooks.c (default_autovectorize_vector_sizes): Likewise.
* config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes):
Likewise.
* config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
* config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
* config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.
* config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
* omp-general.c (omp_max_vf): Likewise.
* omp-low.c (omp_clause_aligned_alignment): Likewise.
* optabs-query.c (can_vec_mask_load_store_p): Likewise.
* tree-vect-loop.c (vect_analyze_loop): Likewise.
* tree-vect-slp.c (vect_slp_bb): Likewise.
* doc/tm.texi: Regenerate.
* tree-vectorizer.h (current_vector_size): Change from an unsigned int
to a poly_uint64.
* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Take
the vector size as a poly_uint64 rather than an unsigned int.
(current_vector_size): Change from an unsigned int to a poly_uint64.
(get_vectype_for_scalar_type): Update accordingly.
* tree.h (build_truth_vector_type): Take the size and number of
units as a poly_uint64 rather than an unsigned int.
(build_vector_type): Add a temporary overload that takes
the number of units as a poly_uint64 rather than an unsigned int.
* tree.c (make_vector_type): Likewise.
(build_truth_vector_type): Take the number of units as a poly_uint64
rather than an unsigned int.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* target.def (get_mask_mode): Take the number of units and length
as poly_uint64s rather than unsigned ints.
* targhooks.h (default_get_mask_mode): Update accordingly.
* targhooks.c (default_get_mask_mode): Likewise.
* config/i386/i386.c (ix86_get_mask_mode): Likewise.
* doc/tm.texi: Regenerate.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* omp-general.h (omp_max_vf): Return a poly_uint64 instead of an int.
* omp-general.c (omp_max_vf): Likewise.
* omp-expand.c (omp_adjust_chunk_size): Update call to omp_max_vf.
(expand_omp_simd): Handle polynomial safelen.
* omp-low.c (omplow_simd_context): Add a default constructor.
(omplow_simd_context::max_vf): Change from int to poly_uint64.
(lower_rec_simd_input_clauses): Update accordingly.
(lower_rec_input_clauses): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vectorizer.h (vect_nunits_for_cost): New function.
* tree-vect-loop.c (vect_model_reduction_cost): Use it.
* tree-vect-slp.c (vect_analyze_slp_cost_1): Likewise.
(vect_analyze_slp_cost): Likewise.
* tree-vect-stmts.c (vect_model_store_cost): Likewise.
(vect_model_load_cost): Likewise.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vect-slp.c (vect_record_max_nunits, vect_build_slp_tree_1)
(vect_build_slp_tree_2, vect_build_slp_tree): Change max_nunits
from an unsigned int * to a poly_uint64_pod *.
(calculate_unrolling_factor): New function.
(vect_analyze_slp_instance): Use it. Track polynomial max_nunits.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* tree-vectorizer.h (_slp_instance::unrolling_factor): Change
from an unsigned int to a poly_uint64.
(_loop_vec_info::slp_unrolling_factor): Likewise.
(_loop_vec_info::vectorization_factor): Change from an int
to a poly_uint64.
(MAX_VECTORIZATION_FACTOR): Bump from 64 to INT_MAX.
(vect_get_num_vectors): New function.
(vect_update_max_nunits, vect_vf_for_cost): Likewise.
(vect_get_num_copies): Use vect_get_num_vectors.
(vect_analyze_data_ref_dependences): Change max_vf from an int *
to an unsigned int *.
(vect_analyze_data_refs): Change min_vf from an int * to a
poly_uint64 *.
(vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather
than an unsigned HOST_WIDE_INT.
* tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr)
(vect_analyze_data_ref_dependence): Change max_vf from an int *
to an unsigned int *.
(vect_analyze_data_ref_dependences): Likewise.
(vect_compute_data_ref_alignment): Handle polynomial vf.
(vect_enhance_data_refs_alignment): Likewise.
(vect_prune_runtime_alias_test_list): Likewise.
(vect_shift_permute_load_chain): Likewise.
(vect_supportable_dr_alignment): Likewise.
(dependence_distance_ge_vf): Take the vectorization factor as a
poly_uint64 rather than an unsigned HOST_WIDE_INT.
(vect_analyze_data_refs): Change min_vf from an int * to a
poly_uint64 *.
* tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Take
vfm1 as a poly_uint64 rather than an int. Make the same change
for the returned bound_scalar.
(vect_gen_vector_loop_niters): Handle polynomial vf.
(vect_do_peeling): Likewise. Update call to
vect_gen_scalar_loop_niters and handle polynomial bound_scalars.
(vect_gen_vector_loop_niters_mult_vf): Assert that the vf must
be constant.
* tree-vect-loop.c (vect_determine_vectorization_factor)
(vect_update_vf_for_slp, vect_analyze_loop_2): Handle polynomial vf.
(vect_get_known_peeling_cost): Likewise.
(vect_estimate_min_profitable_iters, vectorizable_reduction): Likewise.
(vect_worthwhile_without_simd_p, vectorizable_induction): Likewise.
(vect_transform_loop): Likewise. Use the lowest possible VF when
updating the upper bounds of the loop.
(vect_min_worthwhile_factor): Make static. Return an unsigned int
rather than an int.
* tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Cope with
polynomial unroll factors.
(vect_analyze_slp_cost_1, vect_analyze_slp_instance): Likewise.
(vect_make_slp_decision): Likewise.
(vect_supported_load_permutation_p): Likewise, and polynomial
vf too.
(vect_analyze_slp_cost): Handle polynomial vf.
(vect_slp_analyze_node_operations): Likewise.
(vect_slp_analyze_bb_1): Likewise.
(vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather
than an unsigned HOST_WIDE_INT.
* tree-vect-stmts.c (vectorizable_simd_clone_call, vectorizable_store)
(vectorizable_load): Handle polynomial vf.
* tree-vectorizer.c (simduid_to_vf::vf): Change from an int to
a poly_uint64.
(adjust_simduid_builtins, shrink_simd_arrays): Update accordingly.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* match.pd: Handle bit operations involving three constants
and try to fold one pair.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* tree-vect-loop-manip.c: Include gimple-fold.h.
(slpeel_make_loop_iterate_ntimes): Add step, final_iv and
niters_maybe_zero parameters. Handle other cases besides a step of 1.
(vect_gen_vector_loop_niters): Add a step_vector_ptr parameter.
Add a path that uses a step of VF instead of 1, but disable it
for now.
(vect_do_peeling): Add step_vector, niters_vector_mult_vf_var
and niters_no_overflow parameters. Update calls to
slpeel_make_loop_iterate_ntimes and vect_gen_vector_loop_niters.
Create a new SSA name if the latter choses to use a ste other
than zero, and return it via niters_vector_mult_vf_var.
* tree-vect-loop.c (vect_transform_loop): Update calls to
vect_do_peeling, vect_gen_vector_loop_niters and
slpeel_make_loop_iterate_ntimes.
* tree-vectorizer.h (slpeel_make_loop_iterate_ntimes, vect_do_peeling)
(vect_gen_vector_loop_niters): Update declarations after above changes.
2018-01-02 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000.md (floor<mode>2): Add support for IEEE
128-bit round to integer instructions.
(ceil<mode>2): Likewise.
(btrunc<mode>2): Likewise.
(round<mode>2): Likewise.
2018-01-02 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
* config/rs6000/rs6000-string.c (expand_block_move): Allow the use of
unaligned VSX load/store on P8/P9.
(expand_block_clear): Allow the use of unaligned VSX
load/store on P8/P9.
2018-01-02 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000-p8swap.c (swap_feeds_both_load_and_store):
New function.
(rs6000_analyze_swaps): Mark a web unoptimizable if it contains a
swap associated with both a load and a store.
2018-01-02 Andrew Waterman <andrew@sifive.com>
* config/riscv/linux.h (ICACHE_FLUSH_FUNC): New.
* config/riscv/riscv.md (clear_cache): Use it.
2018-01-02 Artyom Skrobov <tyomitch@gmail.com>
* web.c: Remove out-of-date comment.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* expr.c (fixup_args_size_notes): Check that any existing
REG_ARGS_SIZE notes are correct, and don't try to re-add them.
(emit_single_push_insn_1): Move stack_pointer_delta adjustment to...
(emit_single_push_insn): ...here.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* rtl.h (CONST_VECTOR_ELT): Redefine to const_vector_elt.
(const_vector_encoded_nelts): New function.
(CONST_VECTOR_NUNITS): Redefine to use GET_MODE_NUNITS.
(const_vector_int_elt, const_vector_elt): Declare.
* emit-rtl.c (const_vector_int_elt_1): New function.
(const_vector_elt): Likewise.
* simplify-rtx.c (simplify_immed_subreg): Avoid taking the address
of CONST_VECTOR_ELT.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* expr.c: Include rtx-vector-builder.h.
(const_vector_mask_from_tree): Use rtx_vector_builder and operate
directly on the tree encoding.
(const_vector_from_tree): Likewise.
* optabs.c: Include rtx-vector-builder.h.
(expand_vec_perm_var): Use rtx_vector_builder and create a repeating
sequence of "u" values.
* vec-perm-indices.c: Include rtx-vector-builder.h.
(vec_perm_indices_to_rtx): Use rtx_vector_builder and operate
directly on the vec_perm_indices encoding.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* doc/rtl.texi (const_vector): Describe new encoding scheme.
* Makefile.in (OBJS): Add rtx-vector-builder.o.
* rtx-vector-builder.h: New file.
* rtx-vector-builder.c: Likewise.
* rtl.h (rtx_def::u2): Add a const_vector field.
(CONST_VECTOR_NPATTERNS): New macro.
(CONST_VECTOR_NELTS_PER_PATTERN): Likewise.
(CONST_VECTOR_DUPLICATE_P): Likewise.
(CONST_VECTOR_STEPPED_P): Likewise.
(CONST_VECTOR_ENCODED_ELT): Likewise.
(const_vec_duplicate_p): Check for a duplicated vector encoding.
(unwrap_const_vec_duplicate): Likewise.
(const_vec_series_p): Check for a non-duplicated vector encoding.
Say that the function only returns true for integer vectors.
* emit-rtl.c: Include rtx-vector-builder.h.
(gen_const_vec_duplicate_1): Delete.
(gen_const_vector): Call gen_const_vec_duplicate instead of
gen_const_vec_duplicate_1.
(const_vec_series_p_1): Operate directly on the CONST_VECTOR encoding.
(gen_const_vec_duplicate): Use rtx_vector_builder.
(gen_const_vec_series): Likewise.
(gen_rtx_CONST_VECTOR): Likewise.
* config/powerpcspe/powerpcspe.c: Include rtx-vector-builder.h.
(swap_const_vector_halves): Take an rtx pointer rather than rtx.
Build a new vector rather than modifying a CONST_VECTOR in-place.
(handle_special_swappables): Update call accordingly.
* config/rs6000/rs6000-p8swap.c: Include rtx-vector-builder.h.
(swap_const_vector_halves): Take an rtx pointer rather than rtx.
Build a new vector rather than modifying a CONST_VECTOR in-place.
(handle_special_swappables): Update call accordingly.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* simplify-rtx.c (simplify_const_binary_operation): Use
CONST_VECTOR_ELT instead of XVECEXP.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* tree-cfg.c (verify_gimple_assign_ternary): Allow the size of
the selector elements to be different from the data elements
if the selector is a VECTOR_CST.
* tree-vect-stmts.c (vect_gen_perm_mask_any): Use a vector of
ssizetype for the selector.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* optabs.c (shift_amt_for_vec_perm_mask): Try using series_p
before testing each element individually.
* tree-vect-generic.c (lower_vec_perm): Likewise.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* selftest.h (selftest::vec_perm_indices_c_tests): Declare.
* selftest-run-tests.c (selftest::run_tests): Call it.
* vector-builder.h (vector_builder::operator ==): New function.
(vector_builder::operator !=): Likewise.
* vec-perm-indices.h (vec_perm_indices::series_p): Declare.
(vec_perm_indices::all_from_input_p): New function.
* vec-perm-indices.c (vec_perm_indices::series_p): Likewise.
(test_vec_perm_12, selftest::vec_perm_indices_c_tests): Likewise.
* fold-const.c (fold_ternary_loc): Use tree_to_vec_perm_builder
instead of reading the VECTOR_CST directly. Detect whether both
vector inputs are the same before constructing the vec_perm_indices,
and update the number of inputs argument accordingly. Use the
utility functions added above. Only construct sel2 if we need to.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* optabs.c (expand_vec_perm_var): Use an explicit encoding for
the broadcast of the low byte.
(expand_mult_highpart): Use an explicit encoding for the permutes.
* optabs-query.c (can_mult_highpart_p): Likewise.
* tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
(vectorizable_bswap): Likewise.
* tree-vect-data-refs.c (vect_grouped_store_supported): Use an
explicit encoding for the power-of-2 permutes.
(vect_permute_store_chain): Likewise.
(vect_grouped_load_supported): Likewise.
(vect_permute_load_chain): Likewise.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* vec-perm-indices.h (vec_perm_indices_to_tree): Declare.
* vec-perm-indices.c (vec_perm_indices_to_tree): New function.
* tree-ssa-forwprop.c (simplify_vector_constructor): Use it.
* tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
* tree-vect-stmts.c (vectorizable_bswap): Likewise.
(vect_gen_perm_mask_any): Likewise.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* int-vector-builder.h: New file.
* vec-perm-indices.h: Include int-vector-builder.h.
(vec_perm_indices): Redefine as an int_vector_builder.
(auto_vec_perm_indices): Delete.
(vec_perm_builder): Redefine as a stand-alone class.
(vec_perm_indices::vec_perm_indices): New function.
(vec_perm_indices::clamp): Likewise.
* vec-perm-indices.c: Include fold-const.h and tree-vector-builder.h.
(vec_perm_indices::new_vector): New function.
(vec_perm_indices::new_expanded_vector): Update for new
vec_perm_indices class.
(vec_perm_indices::rotate_inputs): New function.
(vec_perm_indices::all_in_range_p): Operate directly on the
encoded form, without computing elided elements.
(tree_to_vec_perm_builder): Operate directly on the VECTOR_CST
encoding. Update for new vec_perm_indices class.
* optabs.c (expand_vec_perm_const): Create a vec_perm_indices for
the given vec_perm_builder.
(expand_vec_perm_var): Update vec_perm_builder constructor.
(expand_mult_highpart): Use vec_perm_builder instead of
auto_vec_perm_indices.
* optabs-query.c (can_mult_highpart_p): Use vec_perm_builder and
vec_perm_indices instead of auto_vec_perm_indices. Use a single
or double series encoding as appropriate.
* fold-const.c (fold_ternary_loc): Use vec_perm_builder and
vec_perm_indices instead of auto_vec_perm_indices.
* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
* tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
(vect_permute_store_chain): Likewise.
(vect_grouped_load_supported): Likewise.
(vect_permute_load_chain): Likewise.
(vect_shift_permute_load_chain): Likewise.
* tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
(vect_transform_slp_perm_load): Likewise.
(vect_schedule_slp_instance): Likewise.
* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
(vectorizable_mask_load_store): Likewise.
(vectorizable_bswap): Likewise.
(vectorizable_store): Likewise.
(vectorizable_load): Likewise.
* tree-vect-generic.c (lower_vec_perm): Use vec_perm_builder and
vec_perm_indices instead of auto_vec_perm_indices. Use
tree_to_vec_perm_builder to read the vector from a tree.
* tree-vect-loop.c (calc_vec_perm_mask_for_shift): Take a
vec_perm_builder instead of a vec_perm_indices.
(have_whole_vector_shift): Use vec_perm_builder and
vec_perm_indices instead of auto_vec_perm_indices. Leave the
truncation to calc_vec_perm_mask_for_shift.
(vect_create_epilog_for_reduction): Likewise.
* config/aarch64/aarch64.c (expand_vec_perm_d::perm): Change
from auto_vec_perm_indices to vec_perm_indices.
(aarch64_expand_vec_perm_const_1): Use rotate_inputs on d.perm
instead of changing individual elements.
(aarch64_vectorize_vec_perm_const): Use new_vector to install
the vector in d.perm.
* config/arm/arm.c (expand_vec_perm_d::perm): Change
from auto_vec_perm_indices to vec_perm_indices.
(arm_expand_vec_perm_const_1): Use rotate_inputs on d.perm
instead of changing individual elements.
(arm_vectorize_vec_perm_const): Use new_vector to install
the vector in d.perm.
* config/powerpcspe/powerpcspe.c (rs6000_expand_extract_even):
Update vec_perm_builder constructor.
(rs6000_expand_interleave): Likewise.
* config/rs6000/rs6000.c (rs6000_expand_extract_even): Likewise.
(rs6000_expand_interleave): Likewise.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* optabs-query.c (can_vec_perm_var_p): Check whether lowering
to qimode could truncate the indices.
* optabs.c (expand_vec_perm_var): Likewise.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* Makefile.in (OBJS): Add vec-perm-indices.o.
* vec-perm-indices.h: New file.
* vec-perm-indices.c: Likewise.
* target.h (vec_perm_indices): Replace with a forward class
declaration.
(auto_vec_perm_indices): Move to vec-perm-indices.h.
* optabs.h: Include vec-perm-indices.h.
(expand_vec_perm): Delete.
(selector_fits_mode_p, expand_vec_perm_var): Declare.
(expand_vec_perm_const): Declare.
* target.def (vec_perm_const_ok): Replace with...
(vec_perm_const): ...this new hook.
* doc/tm.texi.in (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Replace with...
(TARGET_VECTORIZE_VEC_PERM_CONST): ...this new hook.
* doc/tm.texi: Regenerate.
* optabs.def (vec_perm_const): Delete.
* doc/md.texi (vec_perm_const): Likewise.
(vec_perm): Refer to TARGET_VECTORIZE_VEC_PERM_CONST.
* expr.c (expand_expr_real_2): Use expand_vec_perm_const rather than
expand_vec_perm for constant permutation vectors. Assert that
the mode of variable permutation vectors is the integer equivalent
of the mode that is being permuted.
* optabs-query.h (selector_fits_mode_p): Declare.
* optabs-query.c: Include vec-perm-indices.h.
(selector_fits_mode_p): New function.
(can_vec_perm_const_p): Check whether targetm.vectorize.vec_perm_const
is defined, instead of checking whether the vec_perm_const_optab
exists. Use targetm.vectorize.vec_perm_const instead of
targetm.vectorize.vec_perm_const_ok. Check whether the indices
fit in the vector mode before using a variable permute.
* optabs.c (shift_amt_for_vec_perm_mask): Take a mode and a
vec_perm_indices instead of an rtx.
(expand_vec_perm): Replace with...
(expand_vec_perm_const): ...this new function. Take the selector
as a vec_perm_indices rather than an rtx. Also take the mode of
the selector. Update call to shift_amt_for_vec_perm_mask.
Use targetm.vectorize.vec_perm_const instead of vec_perm_const_optab.
Use vec_perm_indices::new_expanded_vector to expand the original
selector into bytes. Check whether the indices fit in the vector
mode before using a variable permute.
(expand_vec_perm_var): Make global.
(expand_mult_highpart): Use expand_vec_perm_const.
* fold-const.c: Includes vec-perm-indices.h.
* tree-ssa-forwprop.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm_const):
Delete.
* config/aarch64/aarch64-simd.md (vec_perm_const<mode>): Delete.
* config/aarch64/aarch64.c (aarch64_expand_vec_perm_const)
(aarch64_vectorize_vec_perm_const_ok): Fuse into...
(aarch64_vectorize_vec_perm_const): ...this new function.
(TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
* config/arm/arm-protos.h (arm_expand_vec_perm_const): Delete.
* config/arm/vec-common.md (vec_perm_const<mode>): Delete.
* config/arm/arm.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
(arm_expand_vec_perm_const, arm_vectorize_vec_perm_const_ok): Merge
into...
(arm_vectorize_vec_perm_const): ...this new function. Explicitly
check for NEON modes.
* config/i386/i386-protos.h (ix86_expand_vec_perm_const): Delete.
* config/i386/sse.md (VEC_PERM_CONST, vec_perm_const<mode>): Delete.
* config/i386/i386.c (ix86_expand_vec_perm_const_1): Update comment.
(ix86_expand_vec_perm_const, ix86_vectorize_vec_perm_const_ok): Merge
into...
(ix86_vectorize_vec_perm_const): ...this new function. Incorporate
the old VEC_PERM_CONST conditions.
* config/ia64/ia64-protos.h (ia64_expand_vec_perm_const): Delete.
* config/ia64/vect.md (vec_perm_const<mode>): Delete.
* config/ia64/ia64.c (ia64_expand_vec_perm_const)
(ia64_vectorize_vec_perm_const_ok): Merge into...
(ia64_vectorize_vec_perm_const): ...this new function.
* config/mips/loongson.md (vec_perm_const<mode>): Delete.
* config/mips/mips-msa.md (vec_perm_const<mode>): Delete.
* config/mips/mips-ps-3d.md (vec_perm_constv2sf): Delete.
* config/mips/mips-protos.h (mips_expand_vec_perm_const): Delete.
* config/mips/mips.c (mips_expand_vec_perm_const)
(mips_vectorize_vec_perm_const_ok): Merge into...
(mips_vectorize_vec_perm_const): ...this new function.
* config/powerpcspe/altivec.md (vec_perm_constv16qi): Delete.
* config/powerpcspe/paired.md (vec_perm_constv2sf): Delete.
* config/powerpcspe/spe.md (vec_perm_constv2si): Delete.
* config/powerpcspe/vsx.md (vec_perm_const<mode>): Delete.
* config/powerpcspe/powerpcspe-protos.h (altivec_expand_vec_perm_const)
(rs6000_expand_vec_perm_const): Delete.
* config/powerpcspe/powerpcspe.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK):
Delete.
(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
(altivec_expand_vec_perm_const_le): Take each operand individually.
Operate on constant selectors rather than rtxes.
(altivec_expand_vec_perm_const): Likewise. Update call to
altivec_expand_vec_perm_const_le.
(rs6000_expand_vec_perm_const): Delete.
(rs6000_vectorize_vec_perm_const_ok): Delete.
(rs6000_vectorize_vec_perm_const): New function.
(rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of
an element count and rtx array.
(rs6000_expand_extract_even): Update call accordingly.
(rs6000_expand_interleave): Likewise.
* config/rs6000/altivec.md (vec_perm_constv16qi): Delete.
* config/rs6000/paired.md (vec_perm_constv2sf): Delete.
* config/rs6000/vsx.md (vec_perm_const<mode>): Delete.
* config/rs6000/rs6000-protos.h (altivec_expand_vec_perm_const)
(rs6000_expand_vec_perm_const): Delete.
* config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete.
(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
(altivec_expand_vec_perm_const_le): Take each operand individually.
Operate on constant selectors rather than rtxes.
(altivec_expand_vec_perm_const): Likewise. Update call to
altivec_expand_vec_perm_const_le.
(rs6000_expand_vec_perm_const): Delete.
(rs6000_vectorize_vec_perm_const_ok): Delete.
(rs6000_vectorize_vec_perm_const): New function. Remove stray
reference to the SPE evmerge intructions.
(rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of
an element count and rtx array.
(rs6000_expand_extract_even): Update call accordingly.
(rs6000_expand_interleave): Likewise.
* config/sparc/sparc.md (vec_perm_constv8qi): Delete in favor of...
* config/sparc/sparc.c (sparc_vectorize_vec_perm_const): ...this
new function.
(TARGET_VECTORIZE_VEC_PERM_CONST): Redefine.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* optabs.c (expand_vec_perm_1): Assert that SEL has an integer
vector mode and that that mode matches the mode of the data
being permuted.
(expand_vec_perm): Split handling of non-CONST_VECTOR selectors
out into expand_vec_perm_var. Do all CONST_VECTOR handling here,
directly using expand_vec_perm_1 when forcing selectors into
registers.
(expand_vec_perm_var): New function, split out from expand_vec_perm.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* optabs-query.h (can_vec_perm_p): Delete.
(can_vec_perm_var_p, can_vec_perm_const_p): Declare.
* optabs-query.c (can_vec_perm_p): Split into...
(can_vec_perm_var_p, can_vec_perm_const_p): ...these two functions.
(can_mult_highpart_p): Use can_vec_perm_const_p to test whether a
particular selector is valid.
* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
* tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
(vect_grouped_load_supported): Likewise.
(vect_shift_permute_load_chain): Likewise.
* tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
(vect_transform_slp_perm_load): Likewise.
* tree-vect-stmts.c (perm_mask_for_reverse): Likewise.
(vectorizable_bswap): Likewise.
(vect_gen_perm_mask_checked): Likewise.
* fold-const.c (fold_ternary_loc): Likewise. Don't take
implementations of variable permutation vectors into account
when deciding which selector to use.
* tree-vect-loop.c (have_whole_vector_shift): Don't check whether
vec_perm_const_optab is supported; instead use can_vec_perm_const_p
with a false third argument.
* tree-vect-generic.c (lower_vec_perm): Use can_vec_perm_const_p
to test whether the constant selector is valid and can_vec_perm_var_p
to test whether a variable selector is valid.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* optabs-query.h (can_vec_perm_p): Take a const vec_perm_indices *.
* optabs-query.c (can_vec_perm_p): Likewise.
* fold-const.c (fold_vec_perm): Take a const vec_perm_indices &
instead of vec_perm_indices.
* tree-vectorizer.h (vect_gen_perm_mask_any): Likewise,
(vect_gen_perm_mask_checked): Likewise,
* tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise,
(vect_gen_perm_mask_checked): Likewise,
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
* optabs-query.h (qimode_for_vec_perm): Declare.
* optabs-query.c (can_vec_perm_p): Split out qimode search to...
(qimode_for_vec_perm): ...this new function.
* optabs.c (expand_vec_perm): Use qimode_for_vec_perm.
2018-01-02 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
* rtlanal.c (canonicalize_condition): Return 0 if final rtx
does not have a conditional at the top.
2018-01-02 Richard Biener <rguenther@suse.de>
* ipa-inline.c (big_speedup_p): Fix expression.
2018-01-02 Jan Hubicka <hubicka@ucw.cz>
PR target/81616
* config/i386/x86-tune-costs.h: Increase cost of integer load costs
for generic 4->6.
2018-01-02 Jan Hubicka <hubicka@ucw.cz>
PR target/81616
Generic tuning.
* x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17,
cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14
and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase
cond_taken_branch_cost 3->4.
2018-01-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/83581
* tree-loop-distribution.c (pass_loop_distribution::execute): Return
TODO_cleanup_cfg if any changes have been made.
PR middle-end/83608
* expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of
convert_modes if target mode has the right side, but different mode
class.
PR middle-end/83609
* expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg
last argument when extracting from CONCAT. If either from_real or
from_imag is NULL, use expansion through memory. If result is not
a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg
the parts directly to inner mode, if even that fails, use expansion
through memory.
PR middle-end/83623
* expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT,
check for bswap in mode rather than HImode and use that in expand_unop
too.
Copyright (C) 2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
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