+2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
+
+ * fold-const.c (int_const_binop): Return early on failure.
+
+2019-04-18 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR middle-end/85164
+ * combine.c (force_int_to_mode): Cast the argument rather than
+ the result of known_alignment.
+ * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
+
+2019-04-18 Richard Biener <rguenther@suse.de>
+
+ PR debug/90131
+ * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
+ out from ...
+ (remove_forwarder_block): ... here.
+ (remove_forwarder_block_with_phi): Also move debug stmts here.
+
+2019-04-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR translation/79183
+ * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
+ inform where appropriate.
+
+2019-04-18 Richard Biener <rguenther@suse.de>
+
+ * tree.c (get_qualified_type): Put found type variants at the
+ head of the variant list.
+
+2018-04-17 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
+
+2019-04-17 Hongtao Liu <hongtao.liu@intel.com>
+
+ PR target/90125
+ * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
+ _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
+ _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
+ _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
+ _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
+
+2019-04-17 Peter Bergner <bergner@linux.ibm.com>
+
+ * ira-conflicts.c (print_allocno_conflicts): Always print something,
+ even for allocno's with no conflicts.
+ (print_conflicts): Print an extra newline.
+
+2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * auto-inc-dec.c (attempt_change): Set the alignment of the
+ temporary memory to that of the original.
+
+2019-04-17 Joao Moreira <jmoreira@suse.de>
+
+ * targhooks.c (default_print_patchable_function_entry): Emit
+ __patchable_function_entries section with writable flags to allow
+ relocation resolution.
+
+2019-04-17 Jonny Grant <jg@jguk.org>
+
+ * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
+
+2019-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/90095
+ * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
+ on lowpart SUBREGs.
+
+2019-04-17 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.c (arc_init): Format diagnostic string.
+ (arc_override_options): Likewise.
+ (check_if_valid_regno_const): Likewise.
+ (arc_reorg): Likewise.
+
+2019-04-17 Segher Boessenkool <segher@kernel.crashing.org>
+
+ PR target/17108
+ * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
+ name.
+ (rs6000_emit_allocate_stack_1): Simplify condition. Adjust pattern
+ name.
+ * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
+ (*movdi_update1): Use Pmode.
+ (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
+ (movdi_<mode>_update_stack): Rename to ...
+ (movdi_update_stack): ... this. Fix comment. Change condition. Don't
+ use Pmode.
+ (*movsi_update1): Use Pmode.
+ (*movsi_update2): Use Pmode.
+ (movsi_update): Rename to ...
+ (movsi_<mode>_update): ... this. Use Pmode.
+ (movsi_update_stack): Fix condition.
+ (*movhi_update1): Use Pmode. Fix argument to
+ avoiding_indexed_address_p.
+ (*movhi_update2): Ditto.
+ (*movhi_update3): Ditto.
+ (*movhi_update4): Ditto.
+ (*movqi_update1): Ditto.
+ (*movqi_update2): Ditto.
+ (*movqi_update3): Ditto.
+ (*movsf_update1, *movdf_update1): Merge, rename to...
+ (*mov<mode>_update1): This. Use Pmode. Fix argument to
+ avoiding_indexed_address_p. Add "size" attribute.
+ (*movsf_update2, *movdf_update2): Merge, rename to...
+ (*mov<mode>_update2): This. Ditto.
+ (*movsf_update3): Use Pmode. Fix argument to
+ avoiding_indexed_address_p.
+ (*movsf_update4): Ditto.
+ (allocate_stack): Simplify condition. Adjust pattern names.
+
+2019-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/89093
+ * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
+ whitespace at the start of target attribute string.
+
+2019-04-16 Pat Haugen <pthaugen@us.ibm.com>
+
+ PR target/84369
+ * config/rs6000/power9.md: Add store forwarding bypass.
+
+2019-04-16 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/89528
+ * valtrack.c (dead_debug_insert_temp): Reset debug references
+ to the return value of a call being removed.
+
+2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc-protos.h (arc_register_move_cost): Remove.
+ * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
+ implement target hook.
+ (arc_memory_move_cost): New function.
+ (TARGET_REGISTER_MOVE_COST): Define.
+ (TARGET_MEMORY_MOVE_COST): Likewise.
+ * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
+ (MEMORY_MOVE_COST): Likewise.
+
+2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
+ (sibcall_value_insn): Likewise.
+ * config/arc/constraints.md (Rs5): Remove.
+
+2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
+ for last two fake registers.
+ (arc_conditional_register_usage): Make sure fake frame and arg
+ pointer regs are in general regs class.
+ (FRAME_POINTER_MASK): Remove.
+ (RETURN_ADDR_MASK): Remove.
+ (arc_must_save_register): Use hard frame regnum.
+ (frame_restore_reg): Use hard_frame_pointer_rtx.
+ (arc_save_callee_saves): Likewise.
+ (arc_restore_callee_saves): Likewise.
+ (arc_save_callee_enter): Likewise.
+ (arc_restore_callee_leave): Likewise.
+ (arc_save_callee_milli): Likewise.
+ (arc_eh_return_address_location): Likewise.
+ (arc_check_multi): Use hard frame regnum.
+ (arc_can_eliminate): Likewise.
+ * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
+ for register allocator.
+ (REG_CLASS_CONTENTS): Update GENERAL_REGS.
+ (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
+ (FRAME_POINTER_REGNUM): Change it to a fake register.
+ (HARD_FRAME_POINTER_REGNUM): Defined.
+ (ARG_POINTER_REGNUM): Change it to a new fake register.
+ (ELIMINABLE_REGS): Update.
+ (REGISTER_NAMES): Update names.
+ * config/arc/arc.md (LP_START): Remove.
+ (LP_END): Likewise.
+ (shift_si3_loop): Update pattern.
+
+2019-04-16 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
+ to avoid delay slot scheduling.
+ (arc_must_save_register): Don't save SP.
+ * config/arc/arc.md (stack_tie): Remove.
+ (UNSPEC_ARC_STKTIE): Likewise.
+
+2019-04-16 Kito Cheng <kito.cheng@gmail.com>
+ Shiva Chen <shiva0217@gmail.com>
+
+ * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
+ code gen with large shift amount.
+
+2019-04-16 Chung-Ju Wu <jasonwucj@gmail.com>
+
+ * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
+ subreg.
+
+2019-04-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/90096
+ * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
+ print -m64/-mx32/-m32 if it is true.
+ (ix86_debug_options, ix86_function_specific_print): Pass true as
+ ADD_ABI_P to ix86_target_string.
+ (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
+ ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
+ or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
+
+ PR rtl-optimization/90082
+ * dce.c (can_delete_call): New function.
+ (deletable_insn_p, mark_insn): Use it.
+
+ PR tree-optimization/90090
+ * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
+ throw internally.
+ (is_division_by_square): Likewise. Formatting fix.
+
+2019-04-16 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/56049
+ * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
+ equality check if alias-set zero will prevail.
+
+2019-04-15 Jeff Law <law@redhat.com>
+
+ * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
+ size and alignment as unsigned.
+
+2019-04-15 Richard Biener <rguenther@suse.de>
+
+ PR debug/90074
+ * tree-loop-distribution.c (destroy_loop): Preserve correct
+ debug info.
+
+2019-04-15 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/90071
+ * tree-ssa-reassoc.c (init_range_entry): Do not pick up
+ abnormal operands from def stmts.
+
+2019-04-15 Segher Boessenkool <segher@kernel.crashing.org>
+
+ PR rtl-optimization/89794
+ * combine.c (count_auto_inc): New function.
+ (try_combine): Count how many auto_inc expressions there were in the
+ original instructions. Ensure we have the same number in the new
+ instructions. Remove the code that tried to ensure auto_inc side
+ effects on i1 and i0 are not lost.
+
+2019-04-15 Richard Biener <rguenther@suse.de>
+
+ PR ipa/88936
+ * tree.h (auto_var_p): Declare.
+ * tree.c (auto_var_p): New function, split out from ...
+ (auto_var_in_fn_p): ... here.
+ * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
+ member.
+ (new_var_info): Initialize it.
+ (set_uids_in_ptset): Also set the shadow variable uid if required.
+ (ipa_pta_execute): Postprocess points-to solutions assigning
+ shadow variable uids for locals that may reach their containing
+ function recursively.
+ * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
+ assert but instead check whether the points-to solution is
+ a singleton.
+
+2019-04-15 Martin Jambor <mjambor@suse.cz>
+
+ PR ipa/pr89693
+ * cgraph.c (clone_of_p): Loop over clone chain for each step in
+ the thunk chain.
+
+2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
+
+ * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
+
+2019-04-15 Monk Chiang <sh.chiang04@gmail.com>
+ Kito Cheng <kito.cheng@gmail.com>
+ Shiva Chen <shiva0217@gmail.com>
+
+ * config/nds32/nds32-md-auxiliary.c
+ (nds32_legitimize_pic_address): Use new PIC pattern.
+ (nds32_legitimize_tls_address): Use new TLS pattern.
+ (nds32_output_symrel): New.
+ * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
+ (nds32_alloc_relax_group_id): Ditto.
+ * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
+ (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
+ relax_group_id.
+ (nds32_group_tls_insn): Ditto.
+ (nds32_group_float_insns): Ditto.
+ * config/nds32/nds32.md (tls_le): New.
+ (sym_got): Ditto.
+
+2019-04-15 Chung-Ju Wu <jasonwucj@gmail.com>
+
+ * configure: Add nds32 target for dwarf2 debug_line checking.
+ * configure.ac: Regenerated.
+
+2019-04-14 Jan Hubicka <hubicka@ucw.cz>
+
+ PR lto/89358
+ * ipa-devirt.c (skip_in_fields_list_p): New.
+ (odr_types_equivalent_p): Use it.
+
+2019-04-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/89093
+ * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
+ instead of strncmp when checking for thumb and arm. Formatting fixes.
+
+2019-04-12 Iain Buclaw <ibuclaw@gdcproject.org>
+
+ * doc/install.texi: Document --with-target-system-zlib.
+
+2019-04-12 Martin Sebor <msebor@redhat.com>
+
+ PR c/88383
+ PR c/89288
+ PR c/89798
+ PR c/89797
+ * targhooks.c (default_vector_alignment): Avoid assuming
+ argument fits in SHWI.
+ * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
+ a shift expression.
+ * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
+
+2019-04-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/89965
+ * dce.c: Include rtl-iter.h.
+ (struct check_argument_load_data): New type.
+ (check_argument_load): New function.
+ (find_call_stack_args): Check for loads from stack slots still tracked
+ in sp_bytes and punt if any is found.
+
+ * config/mips/loongson-mmiintrin.h: Fix up #error message.
+
+2019-04-12 Jan Hubicka <hubicka@ucw.cz>
+
+ * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
+ * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
+
+2019-04-12 Martin Liska <mliska@suse.cz>
+
+ PR middle-end/89970
+ * multiple_target.c (create_dispatcher_calls): Wrap ifunc
+ in error message.
+ (separate_attrs): Handle multiple 'default's.
+ (expand_target_clones): Rework error handling code.
+
+2019-04-12 Kelvin Nilsen <kelvin@gcc.gnu.org>
+
+ PR target/87532
+ * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
+ mode of vector rather than mode of destination for move instruction.
+ * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
+ Use QI inner mode with V16QI vector mode.
+
+2019-04-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52726
+ * config/tilepro/tilepro.c (tilepro_print_operand): Use just
+ "invalid %%t operand" in output_operand_lossage message.
+
2019-04-12 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/predicates.md (permute_pattern_operand): New