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PR middle-end/92153
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+2019-10-18  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/92153
+       * ggc-page.c (release_pages): Read g->alloc_size before free rather
+       than after it.
+
+2019-10-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
+       * config/arm/t-multilib: Add rule to regenerate mutlilib header file
+       with any change to t-multilib, t-aprofile and t-rmprofile.  Also add
+       new multilib variants and new mappings.
+
+2019-10-18  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/86040
+       * config/avr/avr.c (avr_out_lpm): Do not shortcut-return.
+
+2019-10-18  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
+           Richard Sandiford  <richard.sandiford@arm.com>
+
+       PR target/86753
+       * tree-vectorizer.h (scalar_cond_masked_key): New struct,
+       and define hashmap traits for it.
+       (loop_vec_info::scalar_cond_masked_set): New member.
+       (vect_record_loop_mask): Adjust prototype.
+       * tree-vectorizer.c (scalar_cond_masked_key::get_cond_ops_from_tree):
+       Implement method.
+       * tree-vect-loop.c (vectorizable_reduction): Pass NULL as last arg to
+       vect_record_loop_mask.
+       (vectorizable_live_operation): Likewise.
+       (vect_record_loop_mask): New param scalar_mask. Add entry
+       cond, loop_mask to scalar_cond_masked_set if scalar_mask is non NULL.
+       * tree-vect-stmts.c (check_load_store_masking): New param scalar_mask.
+       Pass it as last arg to vect_record_loop_mask.
+       (vectorizable_call): Pass scalar_mask as last arg to
+       vect_record_loop_mask.
+       (vectorizable_store): Likewise.
+       (vectorizable_load): Likewise.
+       (vectorizable_condition): Check if another part of vectorized code
+       applies loop_mask to condition or to it's inverse, and if yes,
+       apply loop_mask to result of vector comparison.
+
+2019-10-17  John David Anglin  <danglin@gcc.gnu.org>
+
+       * config/pa/pa.c (pa_output_indirect_call): Fix typos in last change.
+
+2019-10-18  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/92056
+       * tree-ssa-strlen.c (determine_min_objsize): Call init_object_sizes
+       before calling compute_builtin_object_size.
+
+2019-10-17  Iain Sandoe  <iain@sandoe.co.uk>
+
+       PR target/65342
+       * config/rs6000/darwin.md (movdi_low, movsi_low_st): Delete.
+       (movdi_low_st): Delete.
+       * config/rs6000/rs6000.c
+       (darwin_rs6000_legitimate_lo_sum_const_p): New.
+       (mem_operand_gpr): Validate Mach-O LO_SUM cases separately.
+       * config/rs6000/rs6000.md (movsi_low): Delete.
+
+2019-10-17  Jason Merrill  <jason@redhat.com>
+
+       * gimplify.h (get_initialized_tmp_var): Add default argument to
+       post_p.
+       * gimplify.c (gimplify_self_mod_expr, gimplify_omp_atomic): Remove
+       NULL post_p argument.
+       * targhooks (std_gimplify_va_arg_expr): Likewise.
+
+2019-10-17  Richard Biener  <rguenther@suse.de>
+
+       * tree-vectorizer.h (_stmt_vec_info::cond_reduc_code): Remove.
+       (STMT_VINFO_VEC_COND_REDUC_CODE): Likewise.
+       * tree-vectorizer.c (vec_info::new_stmt_vec_info): Do not
+       initialize STMT_VINFO_VEC_COND_REDUC_CODE.
+       * tree-vect-loop.c (vect_is_simple_reduction): Set
+       STMT_VINFO_REDUC_CODE.
+       (vectorizable_reduction): Remove dead and redundant code, use
+       STMT_VINFO_REDUC_CODE instead of STMT_VINFO_VEC_COND_REDUC_CODE.
+
+2019-10-17  Georg-Johann Lay  <avr@gjlay.de>
+
+       Fix breakage introduced by r276985.
+
+       * config/avr/avr.c (avr_option_override): Remove set of
+       PARAM_ALLOW_STORE_DATA_RACES.
+       * common/config/avr/avr-common.c (avr_option_optimization_table)
+       [OPT_LEVELS_ALL]: Turn on -fallow-store-data-races.
+
+2019-10-17  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.h (processor_costs): Add clear_ratio.
+       (CLEAR_RATIO): Remove MIN and use ix86_cost->clear_ratio.
+       * config/i386/x86-tune-costs.h: Set clear_ratio to the minimum
+       of 6 and move_ratio in all cost models.
+
+2019-10-17  Richard Biener  <rguenther@suse.de>
+
+       * tree-vect-loop.c (check_reduction_path): Compute reduction
+       operation here.
+       (vect_is_simple_reduction): Remove special-case of single-stmt
+       reduction path detection.
+
+2019-10-17  Richard Earnshaw  <rearnsha@arm.com>
+
+       * config/arm/arm-cpus.in (marvel-pj4): Add +fp to the architecture.
+
+2019-10-17  Yuliang Wang  <yuliang.wang@arm.com>
+
+       * config/aarch64/aarch64-sve2.md (aarch64_sve2_eor3<mode>)
+       (aarch64_sve2_nor<mode>, aarch64_sve2_nand<mode>)
+       (aarch64_sve2_bsl<mode>, aarch64_sve2_nbsl<mode>)
+       (aarch64_sve2_bsl1n<mode>, aarch64_sve2_bsl2n<mode>):
+       New combine patterns.
+       * config/aarch64/iterators.md (BSL_DUP): New int iterator for the
+       above.
+       (bsl_1st, bsl_2nd, bsl_dup, bsl_mov): Attributes for the above.
+
+2019-10-17  Aldy Hernandez  <aldyh@redhat.com>
+
+       * tree-vrp.c (value_range_base::dump): Display +INF for both
+       pointers and integers when appropriate.
+
+2019-10-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
+       * tree-vect-loop.c (vect_analyze_loop_2): Use same condition to decide
+       when to use versioning threshold.
+
+2019-10-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
+       * tree-vect-loop.c (determine_peel_for_niter): New function contained
+       outlined code from ...
+       (vect_analyze_loop_2): ... here.
+
+2019-10-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
+       * tree-vect-loop.c (vect_transform_loop): Move code from here...
+       * tree-vect-loop-manip.c (vect_loop_versioning): ... to here.
+       * tree-vectorizer.h (vect_loop_versioning): Remove unused parameters.
+
+2019-10-17  Richard Biener  <rguenther@suse.de>
+
+       * tree-vect-loop.c (needs_fold_left_reduction_p): Export.
+       (vect_is_simple_reduction): Move all validity checks ...
+       (vectorizable_reduction): ... here.  Compute whether we
+       need a fold-left reduction here.
+       * tree-vect-patterns.c (vect_reassociating_reduction_p): Merge
+       both overloads, check needs_fold_left_reduction_p directly.
+       * tree-vectorizer.h (needs_fold_left_reduction_p): Declare.
+
+2019-10-17  Richard Biener  <rguenther@suse.de>
+
+       * tree-ssa-pre.c (create_component_ref_by_pieces_1): Fix
+       TARGET_MEM_REF creation.
+
+2019-10-17  Richard Biener  <rguenther@suse.de>
+
+       PR tree-optimization/92129
+       * tree-vect-loop.c (vectorizable_reduction): Also fail
+       on GIMPLE_SINGLE_RHS.
+
+2019-10-17  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/92056
+       * tree-object-size.c (cond_expr_object_size): Return early if then_
+       processing resulted in unknown size.
+
+       PR tree-optimization/92115
+       * tree-ssa-ifcombine.c (ifcombine_ifandif): Force condition into
+       temporary if it could trap.
+
+2019-10-17  Richard Biener  <rguenther@suse.de>
+
+       PR debug/91887
+       * dwarf2out.c (gen_formal_parameter_die): Also try to match
+       context_die against a DW_TAG_GNU_formal_parameter_pack parent.
+
+2019-10-16  Jakub Jelinek  <jakub@redhat.com>
+
+       * tree-ssa-strlen.c (maybe_invalidate): Use
+       HOST_WIDE_INT_PRINT_UNSIGNED instead of "%zu".
+
+2019-10-16  Andrew Burgess  <andrew.burgess@embecosm.com>
+           Jim Wilson  <jimw@sifive.com>
+
+       * config/riscv/riscv.h (REG_CLASS_CONTENTS): Add argument passing
+       regs to SIBCALL_REGS.
+       * config/riscv/riscv.c (riscv_regno_to_class): Change argument
+       passing regs to SIBCALL_REGS.
+
+2019-10-16  Martin Sebor  <msebor@redhat.com>
+
+       PR tree-optimization/83821
+       * tree-ssa-strlen.c (maybe_invalidate): Add argument.  Consider
+       the length of a string when available.
+       (handle_builtin_memset) Add argument.
+       (handle_store, strlen_check_and_optimize_call): Same.
+       (check_and_optimize_stmt): Same.  Pass it to callees.
+
+2019-10-16  Martin Sebor  <msebor@redhat.com>
+
+       PR tree-optimization/91996
+       * tree-ssa-strlen.c (maybe_warn_pointless_strcmp): Improve location
+       information.
+       (compare_nonzero_chars): Add an overload.
+       (count_nonzero_bytes): Add an argument.  Call overload above.
+       Handle non-constant lengths in some range.
+       (handle_store): Add an argument.
+       (check_and_optimize_stmt): Pass an argument to handle_store.
+
+2019-10-16  Richard Earnshaw  <rearnsha@arm.com>
+
+       * config/arm/arm.c (neon_valid_immediate): Clear bytes before use.
+
+2019-10-16  Mihailo Stojanovic  <mistojanovic@wavecomp.com>
+
+       * config/mips/mips.c (mips_expand_builtin_insn): Force the
+       operands which correspond to the same input-output register to
+       have the same pseudo assigned to them.
+
+2019-10-16  Ilya Leoshkevich  <iii@linux.ibm.com>
+
+       * cfgrtl.c (find_partition_fixes): Remove bbs_in_cold_partition.
+
+2019-10-16  Wilco Dijkstra  <wdijkstr@arm.com>
+
+       * config/aarch64/aarch64.c (aarch64_classify_symbol):
+       Apply reasonable limit to symbol offsets.
+
+2019-10-16  Richard Biener  <rguenther@suse.de>
+
+       * tree-vect-loop.c (vect_valid_reduction_input_p): Remove.
+       (vect_is_simple_reduction): Delay checking to
+       vectorizable_reduction and relax the checking.
+       (vectorizable_reduction): Check we have a simple use.  Check
+       for bogus condition reductions.
+       * tree-vect-stmts.c (vect_transform_stmt): Make sure we
+       are looking at the last stmt in a pattern sequence when
+       filling in backedge PHI values.
+
+2019-10-16  Peter Bergner <bergner@linux.ibm.com>
+           Jiufu Guo  <guojiufu@linux.ibm.com>
+
+       PR target/70010
+       * config/rs6000/rs6000.c (rs6000_can_inline_p): Prohibit inlining if
+       the callee explicitly disables some isa_flags the caller is using.
+
+2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
+
+       * function-abi.cc (expr_callee_abi): Assert for POINTER_TYPE_P.
+
+2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
+
+       * genmodes.c (mode_data::order): New field.
+       (blank_mode): Update accordingly.
+       (VECTOR_MODES_WITH_PREFIX): Add an order parameter.
+       (make_vector_modes): Likewise.
+       (VECTOR_MODES): Update use accordingly.
+       (cmp_modes): Sort by the new order field ahead of sorting by size.
+       * config/aarch64/aarch64-modes.def (VNx2QI, VN2xHI, VNx2SI)
+       (VNx4QI, VNx4HI, VNx8QI): New partial vector modes.
+       * config/aarch64/aarch64.c (VEC_PARTIAL): New flag value.
+       (aarch64_classify_vector_mode): Handle the new partial modes.
+       (aarch64_vl_bytes): New function.
+       (aarch64_hard_regno_nregs): Use it instead of BYTES_PER_SVE_VECTOR
+       when counting the number of registers in an SVE mode.
+       (aarch64_class_max_nregs): Likewise.
+       (aarch64_hard_regno_mode_ok): Don't allow partial vectors
+       in registers yet.
+       (aarch64_classify_address): Treat partial vectors analogously
+       to full vectors.
+       (aarch64_print_address_internal): Consolidate the printing of
+       MUL VL addresses, using aarch64_vl_bytes as the number of
+       bytes represented by "VL".
+       (aarch64_vector_mode_supported_p): Reject partial vector modes.
+
+2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
+
+       * config/aarch64/aarch64.c (aarch64_layout_frame): Use is_constant
+       rather than known_lt when choosing frame layouts.
+
+2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
+
+       * config/aarch64/aarch64.c (aarch64_layout_frame): Assert
+       that all the adjustments add up to the full frame size.
+       Use crtl->outgoing_args_size directly as the final adjustment
+       where appropriate.
+
+2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
+
+       * config/aarch64/aarch64.c (aarch64_layout_frame): Use a local
+       "frame" reference instead of always referring directly to
+       "cfun->machine->frame".
+
+2019-10-16  Richard Biener  <rguenther@suse.de>
+
+       PR tree-optimization/92119
+       * tree-vect-patterns.c (vect_recog_rotate_pattern): Guard
+       against missing bswap lhs.
+
+2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
+
+       PR middle-end/92033
+       * poly-int.h (constant_lower_bound_with_limit): New function.
+       (constant_upper_bound_with_limit): Likewise.
+       * doc/poly-int.texi: Document them.
+       * tree-vrp.c (value_range_base::set): Convert POLY_INT_CST bounds
+       into the worst-case INTEGER_CST bounds.
+
 2019-10-16  Feng Xue  <fxue@os.amperecomputing.com>
 
        PR ipa/91088