gcc/ChangeLog

   1 2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         PR driver/81498
   4         * common.opt (-static-pie): New alias.
   5         (shared): Negate static-pie.
   6         (-no-pie): Update help text.
   7         (-pie): Likewise.
   8         (static-pie): New option.
   9         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add
  10         -static-pie support.
  11         (GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
  12         (LINK_EH_SPEC): Likewise.
  13         (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
  14         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
  15         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
  16         * gcc.c (LINK_COMMAND_SPEC): Likewise.
  17         (init_gcc_specs): Likewise.
  18         (init_spec): Likewise.
  19         (display_help): Update help message for -pie.
  20         * doc/invoke.texi: Update -pie, -no-pie and -static.  Document
  21         -static-pie.
  22
  23 2017-09-12  Wilco Dijkstra  <wdijkstr@arm.com>
  24
  25         * config/aarch64/aarch64.md (movsi_aarch64): Remove all '*'.
  26         (movdi_aarch64): Likewise.
  27         (movti_aarch64): Likewise.
  28
  29 2017-09-12 Simon Wright <simon@pushface.org>
  30
  31         PR target/80204
  32         * config/darwin-driver.c (darwin_find_version_from_kernel): Eliminate
  33         calculation of the minor version, always output as 0.
  34
  35 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
  36
  37         PR target/82112
  38         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
  39         ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion
  40         on it early, rather than manual conversion late.  For
  41         ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion
  42         instead of performing manual conversion.
  43
  44 2017-09-12  Carl Love  <cel@us.ibm.com>
  45
  46         * config/rs6000/altivec.md (vec_widen_umult_even_v4si,
  47         vec_widen_smult_even_v4si): Add define expands for vmuleuw, vmulesw,
  48         vmulouw, vmulosw.
  49         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
  50         VMULOSW): Add definitions.
  51         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
  52         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
  53         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
  54         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
  55         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
  56
  57 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
  58
  59         * config/aarch64/aarch64.md (movdi_aarch64): Set load/store
  60         types correctly.
  61         (movti_aarch64): Likewise.
  62         (movdf_aarch64): Likewise.
  63         (movtf_aarch64): Likewise.
  64         (load_pairdi): Likewise.
  65         (store_pairdi): Likewise.
  66         (load_pairdf): Likewise.
  67         (store_pairdf): Likewise.
  68         (loadwb_pair<GPI:mode>_<P:mode>): Likewise.
  69         (storewb_pair<GPI:mode>_<P:mode>): Likewise.
  70         (ldr_got_small_<mode>): Likewise.
  71         (ldr_got_small_28k_<mode>): Likewise.
  72         (ldr_got_tiny): Likewise.
  73         * config/aarch64/iterators.md (ldst_sz): New.
  74         (ldpstp_sz): Likewise.
  75         * config/aarch64/thunderx.md (thunderx_storepair): Split store_8
  76         to store_16.
  77         (thunderx_load): Split load_8 to load_16.
  78         * config/aarch64/thunderx2t99.md (thunderx2t99_loadpair): Split
  79         load_8 to load_16.
  80         (thunderx2t99_storepair_basic): Split store_8 to store_16.
  81         * config/arm/xgene1.md (xgene1_load_pair): Split load_8 to load_16.
  82         (xgene1_store_pair): Split store_8 to store_16.
  83         * config/aarch64/falkor.md (falkor_ld_3_ld): Split load_8 to load_16.
  84         (falkor_st_0_st_sd): Split store_8 to store_16.
  85
  86 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
  87
  88         * config/arm/types.md (type): Rename load1/2/3/4 to load_4/8/12/16
  89         and store1/2/3/4 to store_4/8/12/16.
  90         * config/aarch64/aarch64.md: Update for rename.
  91         * config/arm/arm.md: Likewise.: Likewise.
  92         * config/arm/arm.c: Likewise.
  93         * config/arm/thumb1.md: Likewise.
  94         * config/arm/thumb2.md: Likewise.
  95         * config/arm/vfp.md: Likewise.
  96         * config/arm/arm-generic.md: Likewise.
  97         * config/arm/arm1020e.md: Likewise.
  98         * config/arm/arm1026ejs.md: Likewise.
  99         * config/arm/arm1136jfs.md: Likewise.
 100         * config/arm/arm926ejs.md: Likewise.
 101         * config/arm/cortex-a15.md: Likewise.
 102         * config/arm/cortex-a17.md: Likewise.
 103         * config/arm/cortex-a5.md: Likewise.
 104         * config/arm/cortex-a53.md: Likewise.
 105         * config/arm/cortex-a57.md: Likewise.
 106         * config/arm/cortex-a7.md: Likewise.
 107         * config/arm/cortex-a8.md: Likewise.
 108         * config/arm/cortex-a9.md: Likewise.
 109         * config/arm/cortex-m4.md: Likewise.
 110         * config/arm/cortex-m7.md: Likewise.
 111         * config/arm/cortex-r4.md: Likewise.
 112         * config/arm/exynos-m1.md: Likewise.
 113         * config/arm/fa526.md: Likewise.
 114         * config/arm/fa606te.md: Likewise.
 115         * config/arm/fa626te.md: Likewise.
 116         * config/arm/fa726te.md: Likewise.
 117         * config/arm/fmp626.md: Likewise.
 118         * config/arm/iwmmxt.md: Likewise.
 119         * config/arm/ldmstm.md: Likewise.
 120         * config/arm/marvell-pj4.md: Likewise.
 121         * config/arm/xgene1.md: Likewise.
 122         * config/aarch64/thunderx.md: Likewise.
 123         * config/aarch64/thunderx2t99.md: Likewise.
 124         * config/aarch64/falkor.md: Likewise.
 125
 126 2017-09-12  Martin Liska  <mliska@suse.cz>
 127
 128         * attribs.c (private_lookup_attribute): New function.
 129         * attribs.h (private_lookup_attribute): Declared here.
 130         (lookup_attribute): Called from this place.
 131
 132 2017-09-12  Richard Biener  <rguenther@suse.de>
 133
 134         PR tree-optimization/82157
 135         * tree-ssa-pre.c (remove_dead_inserted_code): Do not remove
 136         stmts with side-effects.
 137
 138 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 139             Alan Hayward  <alan.hayward@arm.com>
 140             David Sherwood <david.sherwood@arm.com>
 141
 142         * target.def (hard_regno_nregs): New hook.
 143         (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
 144         * targhooks.h (default_hard_regno_nregs): Declare.
 145         * targhooks.c (default_hard_regno_nregs): New function.
 146         * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
 147         (TARGET_HARD_REGNO_NREGS): ...this hook.
 148         (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
 149         (CLASS_MAX_NREGS): Likewise.
 150         * doc/tm.texi: Regenerate.
 151         * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
 152         instead of HARD_REGNO_NREGS.
 153         * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
 154         HARD_REGNO_NREGS in the comment.
 155         * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
 156         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
 157         * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
 158         Return an unsigned int.
 159         (TARGET_HARD_REGNO_NREGS): Redefine.
 160         * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
 161         * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
 162         * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
 163         (arc_hard_regno_nregs): New function.
 164         * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
 165         * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
 166         (arm_hard_regno_nregs): New function.
 167         * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
 168         * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
 169         * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
 170         (TARGET_HARD_REGNO_NREGS): Redefine.
 171         * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
 172         * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
 173         (HARD_REGNO_NREGS): Delete.
 174         * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
 175         (cr16_hard_regno_nregs): New function.
 176         (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
 177         * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
 178         * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
 179         (cris_hard_regno_nregs): New function.
 180         * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
 181         * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
 182         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
 183         * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
 184         (CLASS_MAX_NREGS): Remove outdated copy of documentation.
 185         * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
 186         * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
 187         (frv_hard_regno_nregs): Make static.  Take and return an
 188         unsigned int.
 189         (frv_class_max_nregs): Remove outdated copy of documentation.
 190         * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
 191         * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
 192         * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
 193         * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
 194         * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
 195         * config/i386/i386.c (ix86_hard_regno_nregs): New function.
 196         (TARGET_HARD_REGNO_NREGS): Redefine.
 197         * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
 198         (CLASS_MAX_NREGS): Update comment.
 199         * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
 200         (ia64_hard_regno_nregs): New function.
 201         * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
 202         * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
 203         * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
 204         * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
 205         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
 206         an unsigned int.
 207         (m32c_hard_regno_nregs): Likewise.  Make static.
 208         (TARGET_HARD_REGNO_NREGS): Redefine.
 209         * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
 210         * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
 211         * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
 212         (m68k_hard_regno_nregs): New function.
 213         * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
 214         * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
 215         * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
 216         * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
 217         * config/mips/mips.c (mips_hard_regno_nregs): Make static.
 218         Take and return an unsigned int.
 219         (TARGET_HARD_REGNO_NREGS): Redefine.
 220         * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
 221         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
 222         * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
 223         * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
 224         * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
 225         * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
 226         * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
 227         (msp430_hard_regno_nregs): Make static.  Take and return an
 228         unsigned int.
 229         * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
 230         * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
 231         * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
 232         (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
 233         * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
 234         * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
 235         * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
 236         (TARGET_HARD_REGNO_NREGS): Redefine.
 237         * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
 238         (PA_HARD_REGNO_NREGS): ...this.
 239         * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
 240         (PA_HARD_REGNO_NREGS): ...this.
 241         * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 242         (pa_hard_regno_nregs): New function.
 243         * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
 244         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
 245         (pdp11_hard_regno_nregs): New function.
 246         * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
 247         * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
 248         (rs6000_hard_regno_nregs_hook): New function.
 249         * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
 250         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
 251         * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
 252         Take and return an unsigned int.  Move earlier in file.
 253         (TARGET_HARD_REGNO_NREGS): Redefine.
 254         * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
 255         * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
 256         * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
 257         (rl78_hard_regno_nregs): Make static.  Take and return an
 258         unsigned int.
 259         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
 260         * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
 261         (rs6000_hard_regno_nregs_hook): New function.
 262         * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
 263         * config/rx/rx.c (rx_hard_regno_nregs): New function.
 264         (TARGET_HARD_REGNO_NREGS): Redefine.
 265         * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
 266         * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
 267         instead of HARD_REGNO_NREGS.
 268         (s390_hard_regno_nregs): New function.
 269         (s390_hard_regno_mode_ok): Add comment from s390.h.
 270         (TARGET_HARD_REGNO_NREGS): Redefine.
 271         * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
 272         * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
 273         (sh_hard_regno_nregs): New function.
 274         (sh_pass_in_reg_p): Use it.
 275         * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
 276         * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
 277         (sparc_hard_regno_nregs): New function.
 278         * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
 279         * config/spu/spu.c (spu_hard_regno_nregs): New function.
 280         (spu_function_arg_advance): Use it, supplying a valid register number.
 281         (TARGET_HARD_REGNO_NREGS): Redefine.
 282         * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
 283         * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
 284         * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
 285         * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
 286         * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
 287         * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
 288         (CLASS_MAX_NREGS): Remove copy of old documentation.
 289         * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
 290         (visium_hard_regno_nregs): New function.
 291         (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
 292         * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
 293         * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 294         xtensa_hard_regno_nregs): New function.
 295         * system.h (HARD_REGNO_NREGS): Poison.
 296
 297 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 298
 299         * config/arm/arm.h (THUMB_SECONDARY_INPUT_RELOAD_CLASS): Use
 300         hard_regno_nregs instead of HARD_REGNO_NREGS.
 301         (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
 302         * config/c6x/c6x.c (c6x_expand_prologue): Likewise.
 303         (c6x_expand_epilogue): Likewise.
 304         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
 305         (frv_read_iacc_argument): Likewise.
 306         * config/sh/sh.c: Include regs.h.
 307         (sh_print_operand): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 308         (regs_used): Likewise.
 309         (output_stack_adjust): Likewise.
 310         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Likewise.
 311         * expmed.c: Include regs.h.
 312         (store_bit_field_1): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 313         * ree.c: Include regs.h.
 314         (combine_reaching_defs): Use hard_regno_nregs instead of
 315         HARD_REGNO_NREGS.
 316         (add_removable_extension): Likewise.
 317
 318 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 319
 320         * regs.h (hard_regno_nregs): Turn into a function.
 321         (end_hard_regno): Update accordingly.
 322         * caller-save.c (setup_save_areas): Likewise.
 323         (save_call_clobbered_regs): Likewise.
 324         (replace_reg_with_saved_mem): Likewise.
 325         (insert_restore): Likewise.
 326         (insert_save): Likewise.
 327         * combine.c (can_change_dest_mode): Likewise.
 328         (move_deaths): Likewise.
 329         (distribute_notes): Likewise.
 330         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
 331         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
 332         (rs6000_split_multireg_move): Likewise.
 333         (rs6000_register_move_cost): Likewise.
 334         (rs6000_memory_move_cost): Likewise.
 335         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
 336         (rs6000_split_multireg_move): Likewise.
 337         (rs6000_register_move_cost): Likewise.
 338         (rs6000_memory_move_cost): Likewise.
 339         * cselib.c (cselib_reset_table): Likewise.
 340         (cselib_lookup_1): Likewise.
 341         * emit-rtl.c (set_mode_and_regno): Likewise.
 342         * function.c (aggregate_value_p): Likewise.
 343         * ira-color.c (setup_profitable_hard_regs): Likewise.
 344         (check_hard_reg_p): Likewise.
 345         (calculate_saved_nregs): Likewise.
 346         (assign_hard_reg): Likewise.
 347         (improve_allocation): Likewise.
 348         (calculate_spill_cost): Likewise.
 349         * ira-emit.c (modify_move_list): Likewise.
 350         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
 351         (ira_hard_reg_in_set_p): Likewise.
 352         * ira.c (setup_reg_mode_hard_regset): Likewise.
 353         (clarify_prohibited_class_mode_regs): Likewise.
 354         (check_allocation): Likewise.
 355         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 356         (lra_setup_reg_renumber): Likewise.
 357         (setup_try_hard_regno_pseudos): Likewise.
 358         (spill_for): Likewise.
 359         (assign_hard_regno): Likewise.
 360         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
 361         * lra-constraints.c (in_class_p): Likewise.
 362         (lra_constraint_offset): Likewise.
 363         (simplify_operand_subreg): Likewise.
 364         (lra_constraints): Likewise.
 365         (split_reg): Likewise.
 366         (split_if_necessary): Likewise.
 367         (invariant_p): Likewise.
 368         (inherit_in_ebb): Likewise.
 369         * lra-lives.c (process_bb_lives): Likewise.
 370         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
 371         (get_hard_regs): Likewise.
 372         (do_remat): Likewise.
 373         * lra-spills.c (assign_spill_hard_regs): Likewise.
 374         * mode-switching.c (create_pre_exit): Likewise.
 375         * postreload.c (reload_combine_recognize_pattern): Likewise.
 376         * recog.c (peep2_find_free_register): Likewise.
 377         * regcprop.c (kill_value_regno): Likewise.
 378         (set_value_regno): Likewise.
 379         (copy_value): Likewise.
 380         (maybe_mode_change): Likewise.
 381         (find_oldest_value_reg): Likewise.
 382         (copyprop_hardreg_forward_1): Likewise.
 383         * regrename.c (check_new_reg_p): Likewise.
 384         (regrename_do_replace): Likewise.
 385         * reload.c (push_reload): Likewise.
 386         (combine_reloads): Likewise.
 387         (find_dummy_reload): Likewise.
 388         (operands_match_p): Likewise.
 389         (find_reloads): Likewise.
 390         (find_equiv_reg): Likewise.
 391         (reload_adjust_reg_for_mode): Likewise.
 392         * reload1.c (count_pseudo): Likewise.
 393         (count_spilled_pseudo): Likewise.
 394         (find_reg): Likewise.
 395         (clear_reload_reg_in_use): Likewise.
 396         (free_for_value_p): Likewise.
 397         (allocate_reload_reg): Likewise.
 398         (choose_reload_regs): Likewise.
 399         (reload_adjust_reg_for_temp): Likewise.
 400         (emit_reload_insns): Likewise.
 401         (delete_output_reload): Likewise.
 402         * rtlanal.c (subreg_get_info): Likewise.
 403         * sched-deps.c (sched_analyze_reg): Likewise.
 404         * sel-sched.c (init_regs_for_mode): Likewise.
 405         (mark_unavailable_hard_regs): Likewise.
 406         (choose_best_reg_1): Likewise.
 407         (verify_target_availability): Likewise.
 408         * valtrack.c (dead_debug_insert_temp): Likewise.
 409         * var-tracking.c (track_loc_p): Likewise.
 410         (emit_note_insn_var_location): Likewise.
 411         * varasm.c (make_decl_rtl): Likewise.
 412         * reginfo.c (choose_hard_reg_mode): Likewise.
 413         (init_reg_modes_target): Refer directly to
 414         this_target_regs->x_hard_regno_nregs.
 415
 416 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 417
 418         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
 419         instead of hard_regno_nregs.
 420
 421 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 422
 423         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
 424         end_hard_regno instead of hard_regno_nregs.
 425         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
 426         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
 427         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
 428         * ira-color.c (improve_allocation): Likewise.
 429         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 430         * lra-lives.c (mark_regno_live): Likewise.
 431         (mark_regno_dead): Likewise.
 432         * lra-remat.c (operand_to_remat): Likewise.
 433         * lra.c (collect_non_operand_hard_regs): Likewise.
 434         * postreload.c (reload_combine_note_store): Likewise.
 435         (move2add_valid_value_p): Likewise.
 436         * reload.c (regno_clobbered_p): Likewise.
 437
 438 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 439
 440         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
 441         hard_regno_nregs.
 442         * config/v850/v850.c (v850_reorg): Likewise.
 443         * reload.c (refers_to_regno_for_reload_p): Likewise.
 444         (find_equiv_reg): Likewise.
 445         * reload1.c (reload_reg_reaches_end_p): Likewise.
 446
 447 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 448
 449         * caller-save.c (add_used_regs): Use REG_NREGS instead of
 450         hard_regno_nregs.
 451         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
 452         * config/arm/arm.c (output_move_neon): Likewise.
 453         (arm_attr_length_move_neon): Likewise.
 454         (neon_split_vcombine): Likewise.
 455         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
 456         (c6x_mark_reg_written): Likewise.
 457         (c6x_dwarf_register_span): Likewise.
 458         * config/i386/i386.c (ix86_save_reg): Likewise.
 459         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
 460         (rws_access_reg): Likewise.
 461         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
 462         * mode-switching.c (create_pre_exit): Likewise.
 463         * ree.c (combine_reaching_defs): Likewise.
 464         (add_removable_extension): Likewise.
 465         * regcprop.c (find_oldest_value_reg): Likewise.
 466         (copyprop_hardreg_forward_1): Likewise.
 467         * reload.c (reload_inner_reg_of_subreg): Likewise.
 468         (push_reload): Likewise.
 469         (combine_reloads): Likewise.
 470         (find_dummy_reload): Likewise.
 471         (reload_adjust_reg_for_mode): Likewise.
 472         * reload1.c (find_reload_regs): Likewise.
 473         (forget_old_reloads_1): Likewise.
 474         (reload_reg_free_for_value_p): Likewise.
 475         (reload_adjust_reg_for_temp): Likewise.
 476         (emit_reload_insns): Likewise.
 477         (delete_output_reload): Likewise.
 478         * sel-sched.c (choose_best_reg_1): Likewise.
 479         (choose_best_pseudo_reg): Likewise.
 480
 481 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 482             Alan Hayward  <alan.hayward@arm.com>
 483             David Sherwood <david.sherwood@arm.com>
 484
 485         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
 486         * target.def (slow_unaligned_access): New hook.
 487         * targhooks.h (default_slow_unaligned_access): Declare.
 488         * targhooks.c (default_slow_unaligned_access): New function.
 489         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
 490         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
 491         * doc/tm.texi: Regenerate.
 492         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
 493         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
 494         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
 495         definition.
 496         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
 497         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
 498         Redefine.
 499         (rs6000_slow_unaligned_access): New function.
 500         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 501         (expand_block_compare): Likewise.
 502         (expand_strn_compare): Likewise.
 503         (rs6000_rtx_costs): Likewise.
 504         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
 505         (riscv_slow_unaligned_access): Likewise.
 506         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
 507         (riscv_slow_unaligned_access_p): ...this and make static.
 508         (riscv_option_override): Update accordingly.
 509         (riscv_slow_unaligned_access): New function.
 510         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 511         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
 512         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 513         (rs6000_slow_unaligned_access): New function.
 514         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 515         (rs6000_rtx_costs): Likewise.
 516         * config/rs6000/rs6000-string.c (expand_block_compare)
 517         (expand_strn_compare): Use targetm.slow_unaligned_access instead
 518         of SLOW_UNALIGNED_ACCESS.
 519         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
 520         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
 521         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
 522         of SLOW_UNALIGNED_ACCESS.
 523         * expmed.c (simple_mem_bitfield_p): Likewise.
 524         * expr.c (alignment_for_piecewise_move): Likewise.
 525         (emit_group_load_1): Likewise.
 526         (emit_group_store): Likewise.
 527         (copy_blkmode_from_reg): Likewise.
 528         (emit_push_insn): Likewise.
 529         (expand_assignment): Likewise.
 530         (store_field): Likewise.
 531         (expand_expr_real_1): Likewise.
 532         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
 533         * lra-constraints.c (simplify_operand_subreg): Likewise.
 534         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
 535         * gimple-ssa-store-merging.c: Likewise in block comment at start
 536         of file.
 537         * tree-ssa-strlen.c: Include target.h.
 538         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
 539         of SLOW_UNALIGNED_ACCESS.
 540         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
 541
 542 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 543
 544         PR rtl-optimization/82185
 545         * expmed.c (emit_store_flag_int): Only test tem if it has been
 546         initialized.
 547
 548 2017-09-12  Richard Biener  <rguenther@suse.de>
 549
 550         PR middle-end/82149
 551         * match.pd ((FTYPE) N CMP CST): Fix typo.
 552
 553 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
 554
 555         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
 556         attribute.
 557         (mips_near_type_p): Add 'short_call' attribute as a synonym
 558         for 'near'.
 559         * doc/extend.texi (short_call): Document new function attribute.
 560
 561 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 562
 563         PR target/82112
 564         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
 565         assertion check that in the condition.
 566         (get_atomic_generic_size): Likewise.  Before testing if parameter
 567         has pointer type, if it has array type, call for C++
 568         default_conversion to perform array-to-pointer conversion.
 569
 570 2017-09-12  Richard Biener  <rguenther@suse.de>
 571
 572         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
 573         for operations we cannot scalarize.
 574
 575 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
 576
 577         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
 578         vectors heap vectors.  Clean up comments.
 579         Make visited_bbs a reference.
 580         (profitable_jump_thread_path): Make GC
 581         vectors heap vectors.  Clean up comments.
 582         Misc cleanups.
 583         (convert_and_register_jump_thread_path): Make GC vectors heap
 584         vectors.
 585         (check_subpath_and_update_thread_path): Same.  Clean up comments.
 586         Make visited_bbs a reference.
 587         (handle_phi): Abstract common code to to
 588         register_jump_thread_path_if_profitable.
 589         Rename VAR_BB to DEF_BB.
 590         Update comments.
 591         Make GC vectors heap vectors.
 592         Make visited_bbs a reference.
 593         (handle_assignment): Same.
 594         (register_jump_thread_path_if_profitable): New.
 595         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
 596         DEF_BB.
 597         Make GC vectors heap vectors.  Clean up comments.
 598         Make visited_bbs a reference.
 599         (find_jump_threads_backwards): Make visited_bbs live in the stack.
 600         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
 601         comment.
 602
 603 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
 604
 605         PR target/82181
 606         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
 607         words of E_DImode object are reachable by xtensa_uimm8x4 access.
 608
 609 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
 610
 611         Revert r251800 and r251799.
 612
 613 2017-09-11  Martin Jambor  <mjambor@suse.cz>
 614
 615         PR hsa/82119
 616         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
 617         arguments in advance.
 618         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
 619         use it to find predecessor edges.
 620         (naive_outof_ssa): Collect vector of predecessors.
 621
 622 2017-09-08  Jason Merrill  <jason@redhat.com>
 623
 624         PR c++/70029 - ICE with ref-qualifier and -flto
 625         * langhooks.h (struct lang_hooks_for_types): Add
 626         copy_lang_qualifiers.
 627         * attribs.c (build_type_attribute_qual_variant): Use it.
 628         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
 629         NULL.
 630         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
 631         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
 632
 633 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
 634
 635         PR target/81988
 636         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
 637         (*mulsi3_sp64): New instruction.
 638         (mulsi3): New expander.
 639
 640 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
 641
 642         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
 643
 644 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 645
 646         * sancov.c: Include memmodel.h.
 647
 648 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
 649
 650         PR target/80897
 651         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
 652         large offsets.
 653
 654 2017-09-07  Carl Love  <cel@us.ibm.com>
 655
 656         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
 657         the sldi instruction.
 658
 659 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
 660
 661         * sancov.c: Include tm_p.h.
 662
 663 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
 664
 665         PR target/81979
 666         * output.h (switch_to_other_text_partition): New declaration.
 667         * varasm.c (switch_to_other_text_partition): New function.
 668         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
 669         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
 670         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
 671         to the other text partition before emitting LCL label and switch back
 672         after emitting the word after it.
 673
 674 2017-09-07  Richard Biener  <rguenther@suse.de>
 675
 676         * passes.def (pass_split_crit_edges): Remove instance before PRE.
 677         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
 678         critical edges here, after loop init.
 679         (pass_data_pre): Remove PROP_no_crit_edges flags.
 680         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
 681         for valueization of call args to avoid leaking VN_TOP.
 682         (visit_use): Assert we do not visit default defs.
 683         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
 684         Use error_mark_node to more easily detect leaking VN_TOP.
 685         All default-defs are varying, not VN_TOP.  Mark them visited.
 686         (run_scc_vn): Make code match comment.
 687
 688 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 689
 690         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
 691         OPTION_MASK_FLOAT128_KEYWORD.
 692         (POWERPC_MASKS): Likewise.
 693         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
 694         support for the -mfloat128-type option, and make -mfloat128
 695         default on PowerPC Linux systems.  Define or undefine
 696         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
 697         Define __float128 to be __ieee128 if IEEE 128-bit support is
 698         enabled, or undefine it.
 699         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
 700         Delete defining __FLOAT128_TYPE__.
 701         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
 702         -mfloat128-type option and make -mfloat128 default on PowerPC
 703         Linux systems.
 704         (TARGET_FLOAT128_TYPE): Likewise.
 705         (-mfloat128-type): Likewise.
 706         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 707         Delete the -mfloat128-type option and make -mfloat128 default on
 708         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
 709         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
 710         128-bit floating point is enabled.  Change tests from using
 711         -mfloat128-type to -mfloat128.
 712         (rs6000_mangle_type): Use the correct mangling for the __float128
 713         type even if normal long double is restricted to 64-bits.
 714         (floatn_mode): Enable the _Float128 type by default on VSX Linux
 715         systems.
 716         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
 717         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
 718         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
 719         -mfloat128-type.
 720         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
 721         documentation for -mfloat128.
 722
 723 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 724
 725         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
 726
 727 2017-09-06  Wish Wu  <wishwu007@gmail.com>
 728             Jakub Jelinek  <jakub@redhat.com>
 729
 730         * asan.c (initialize_sanitizer_builtins): Add
 731         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
 732         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
 733         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
 734         BT_FN_VOID_UINT64_PTR variables.
 735         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
 736         (BT_FN_VOID_UINT16_UINT16): Likewise.
 737         (BT_FN_VOID_UINT32_UINT32): Likewise.
 738         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
 739         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
 740         (BT_FN_VOID_UINT64_PTR): Likewise.
 741         * common.opt (flag_sanitize_coverage): New variable.
 742         (fsanitize-coverage=trace-pc): Remove.
 743         (fsanitize-coverage=): Add.
 744         * flag-types.h (enum sanitize_coverage_code): New enum.
 745         * fold-const.c (fold_range_test): Disable non-short-circuit
 746         optimization if flag_sanitize_coverage.
 747         (fold_truth_andor): Likewise.
 748         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
 749         * opts.c (COVERAGE_SANITIZER_OPT): Define.
 750         (coverage_sanitizer_opts): New array.
 751         (get_closest_sanitizer_option): Add OPTS argument, handle also
 752         OPT_fsanitize_coverage_.
 753         (parse_sanitizer_options): Adjusted to also handle
 754         OPT_fsanitize_coverage_.
 755         (common_handle_option): Add OPT_fsanitize_coverage_.
 756         * sancov.c (instrument_comparison, instrument_switch): New function.
 757         (sancov_pass): Add trace-cmp support.
 758         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
 759         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
 760         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
 761         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
 762         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
 763         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
 764         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
 765         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
 766         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
 767         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
 768
 769 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 770
 771         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
 772         error.  Only quit immediately if parsing is complete.
 773         (BEGIN): Initialize fatal_err and parse_done.
 774         (begin fpu, end fpu): Check number of arguments.
 775         (begin arch, end arch): Likewise.
 776         (begin cpu, end cpu): Likewise.
 777         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
 778         (optalias): Likewise.
 779
 780 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 781
 782         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
 783         * config/arm/arm-isa.h: Delete.  Move definitions to ...
 784         * arm-cpus.in: ... here.  Use new feature and fgroup values.
 785         * config/arm/arm.c (arm_option_override): Use lower case for feature
 786         bit names.
 787         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
 788         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
 789         * config/arm/parsecpu.awk (END): Add new command 'isa'.
 790         (isa_pfx): Delete.
 791         (print_isa_bits_for): New function.
 792         (gen_isa): New function.
 793         (gen_comm_data): Use print_isa_bits_for.
 794         (define feature): New keyword.
 795         (define fgroup): New keyword.
 796         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
 797         (arm-isa.h): Add rule to generate file.
 798         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
 799         case for feature bit names.
 800
 801 2017-09-06  Richard Biener  <rguenther@suse.de>
 802
 803         * tree-ssa-pre.c (NECESSARY): Remove.
 804         (create_expression_by_pieces): Do not touch pass-local flags.
 805         (insert_into_preds_of_block): Likewise.
 806         (do_pre_regular_insertion): Likewise.
 807         (eliminate_insert): Likewise.
 808         (eliminate_dom_walker::before_dom_children): Likewise.
 809         (fini_eliminate): Do not look at inserted_exprs.
 810         (mark_operand_necessary): Remove.
 811         (remove_dead_inserted_code): Replace with simple work-list
 812         algorithm based on inserted_exprs and SSA uses.
 813         (pass_pre::execute): Re-order fini_eliminate and
 814         remove_dead_inserted_code.
 815
 816 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 817
 818         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
 819         for VxWorks 7.  Adjust surrounding comments.
 820
 821 2017-09-06  Richard Biener  <rguenther@suse.de>
 822
 823         * gimple-ssa-strength-reduction.c
 824         (find_candidates_dom_walker::before_dom_children): Also allow
 825         pointer types.
 826
 827 2017-09-06  Richard Biener  <rguenther@suse.de>
 828
 829         PR tree-optimization/82108
 830         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
 831         for gap in the non-permutation SLP case.
 832
 833 2017-09-06  Martin Jambor  <mjambor@suse.cz>
 834
 835         PR tree-optimization/82078
 836         * tree-sra.c (sort_and_splice_var_accesses): Move call to
 837         add_access_to_work_queue...
 838         (build_accesses_from_assign): ...here.
 839         (propagate_all_subaccesses): Make sure racc is the group
 840         representative, if there is one.
 841
 842 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
 843
 844         PR middle-end/82095
 845         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
 846         NULL DECL_INITIAL.
 847
 848 2017-09-06  Richard Biener  <rguenther@suse.de>
 849
 850         * gimple-ssa-strength-reduction.c
 851         (find_candidates_dom_walker::before_doom_children): Use a
 852         type and not a mode check.
 853
 854 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 855
 856         PR target/77308
 857         * config/arm/predicates.md (arm_general_adddi_operand): Create new
 858         non-vfp predicate.
 859         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
 860
 861 2017-09-05  Jeff Law  <law@redhat.com>
 862
 863         PR tree-optimization/64910
 864         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
 865         cases where we have 3 or more operands.
 866
 867 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
 868
 869         PR middle-end/81768
 870         * omp-low.c (lower_omp_for): Recompute tree invariant if
 871         gimple_omp_for_initial/final is ADDR_EXPR.
 872
 873         PR middle-end/81768
 874         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
 875         into gimple val before gimplification fo the COND_EXPR.
 876
 877 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
 878
 879         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
 880         REGION_COPY argument.
 881         (thread_through_all_blocks): Remove unused argument to
 882         duplicate_thread_path.
 883
 884 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 885             Alan Hayward  <alan.hayward@arm.com>
 886             David Sherwood  <david.sherwood@arm.com>
 887
 888         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
 889         Take a scalar_mode rather than a machine_mode.
 890         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 891         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
 892         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 893         (aarch64_gen_adjusted_ldpstp): Likewise.
 894         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
 895
 896 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 897             Alan Hayward  <alan.hayward@arm.com>
 898             David Sherwood  <david.sherwood@arm.com>
 899
 900         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
 901         Take a scalar_int_mode instead of a machine_mode.
 902         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 903         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 904         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 905         (aarch64_simd_attr_length_rglist): Delete.
 906         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
 907         a scalar_int_mode instead of a machine_mode.
 908         (aarch64_add_offset): Likewise.
 909         (aarch64_internal_mov_immediate): Likewise
 910         (aarch64_add_constant_internal): Likewise.
 911         (aarch64_add_constant): Likewise.
 912         (aarch64_movw_imm): Likewise.
 913         (aarch64_rtx_arith_op_extract_p): Likewise.
 914         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 915         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 916         Remove assert that the mode isn't a vector.
 917         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 918         (aarch64_expand_mov_immediate): Update calls after above changes.
 919         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
 920         (aarch64_and_bitmask_imm): Check for scalar integer modes.
 921         (aarch64_move_imm): Likewise.
 922         (aarch64_can_const_movi_rtx_p): Likewise.
 923         (aarch64_strip_extend): Likewise.
 924         (aarch64_extr_rtx_p): Likewise.
 925         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
 926         a CONST_INT when the mode parameter is VOIDmode.
 927         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
 928
 929 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 930
 931         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
 932         * stor-layout.c (bitwise_mode_for_mode): Likewise.
 933         (bitwise_type_for_mode): Update accordingly.
 934
 935 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 936
 937         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
 938         * stor-layout.c (mode_for_size_tree): Likewise.
 939         (mode_for_array): Update accordingly.
 940         (layout_decl): Likewise.
 941         (compute_record_mode): Likewise.  Only set the mode once.
 942
 943 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 944
 945         * target.def (get_mask_mode): Change return type to opt_mode.
 946         Expand commentary.
 947         * doc/tm.texi: Regenerate.
 948         * targhooks.h (default_get_mask_mode): Return an opt_mode.
 949         * targhooks.c (default_get_mask_mode): Likewise.
 950         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
 951         * optabs-query.c (can_vec_mask_load_store_p): Update use of
 952         targetm.get_mask_mode.
 953         * tree.c (build_truth_vector_type): Likewise.
 954
 955 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 956
 957         * machmode.h (mode_for_vector): Return an opt_mode.
 958         * stor-layout.c (mode_for_vector): Likewise.
 959         (mode_for_int_vector): Update accordingly.
 960         (layout_type): Likewise.
 961         * config/i386/i386.c (emit_memmov): Likewise.
 962         (ix86_expand_set_or_movmem): Likewise.
 963         (ix86_expand_vector_init): Likewise.
 964         (ix86_get_mask_mode): Likewise.
 965         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
 966         Likewise.
 967         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
 968         * expmed.c (extract_bit_field_1): Likewise.
 969         * expr.c (expand_expr_real_2): Likewise.
 970         * optabs-query.c (can_vec_perm_p): Likewise.
 971         (can_vec_mask_load_store_p): Likewise.
 972         * optabs.c (expand_vec_perm): Likewise.
 973         * targhooks.c (default_get_mask_mode): Likewise.
 974         * tree-vect-stmts.c (vectorizable_store): Likewise.
 975         (vectorizable_load): Likewise.
 976         (get_vectype_for_scalar_type_and_size): Likewise.
 977
 978 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 979
 980         * machmode.h (mode_for_int_vector): New function.
 981         * stor-layout.c (mode_for_int_vector): Likewise.
 982         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
 983         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
 984         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
 985         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
 986         (s390_expand_vcond): Likewise.
 987
 988 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 989
 990         * machmode.h (opt_machine_mode): New type.
 991         (opt_mode<T>): Allow construction from anything that can be
 992         converted to a T.
 993         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
 994         (mode_for_size): Return an opt_machine_mode.
 995         * stor-layout.c (mode_for_size): Likewise.
 996         (mode_for_size_tree): Update call accordingly.
 997         (bitwise_mode_for_mode): Likewise.
 998         (make_fract_type): Likewise.
 999         (make_accum_type): Likewise.
1000         * caller-save.c (replace_reg_with_saved_mem): Update call
1001         accordingly.
1002         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1003         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1004         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1005         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1006         * expmed.c (extract_bit_field_1): Likewise.
1007         * reload.c (get_secondary_mem): Likewise.
1008         * varasm.c (assemble_integer): Likewise.
1009         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
1010         early-out.
1011
1012 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1013
1014         * machmode.h (decimal_float_mode_for_size): New function.
1015         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
1016         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
1017         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
1018         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
1019         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
1020         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
1021
1022 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1023
1024         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
1025         (get_builtin_sync_mode): Likewise.
1026         (expand_ifn_atomic_compare_exchange): Likewise.
1027         (expand_builtin_atomic_clear): Likewise.
1028         (expand_builtin_atomic_test_and_set): Likewise.
1029         (fold_builtin_atomic_always_lock_free): Likewise.
1030         * calls.c (compute_argument_addresses): Likewise.
1031         (emit_library_call_value_1): Likewise.
1032         (store_one_arg): Likewise.
1033         * combine.c (combine_instructions): Likewise.
1034         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
1035         * config/arm/arm.c (arm_function_value): Likewise.
1036         (aapcs_allocate_return_reg): Likewise.
1037         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
1038         * config/i386/i386.c (construct_container): Likewise.
1039         (ix86_gimplify_va_arg): Likewise.
1040         (ix86_expand_sse_cmp): Likewise.
1041         (emit_memmov): Likewise.
1042         (emit_memset): Likewise.
1043         (expand_small_movmem_or_setmem): Likewise.
1044         (ix86_expand_pextr): Likewise.
1045         (ix86_expand_pinsr): Likewise.
1046         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
1047         * config/microblaze/microblaze.c (microblaze_block_move_straight):
1048         Likewise.
1049         * config/mips/mips.c (mips_function_value_1) Likewise.
1050         (mips_block_move_straight): Likewise.
1051         (mips_expand_ins_as_unaligned_store): Likewise.
1052         * config/powerpcspe/powerpcspe.c
1053         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1054         (rs6000_darwin64_record_arg_flush): Likewise.
1055         * config/rs6000/rs6000.c
1056         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1057         (rs6000_darwin64_record_arg_flush): Likewise.
1058         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
1059         (sparc_function_value_1): Likewise.
1060         * config/spu/spu.c (adjust_operand): Likewise.
1061         (spu_emit_branch_or_set): Likewise.
1062         (arith_immediate_p): Likewise.
1063         * emit-rtl.c (gen_lowpart_common): Likewise.
1064         * expr.c (expand_expr_real_1): Likewise.
1065         * function.c (assign_parm_setup_block): Likewise.
1066         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
1067         * reload1.c (alter_reg): Likewise.
1068         * stor-layout.c (mode_for_vector): Likewise.
1069         (layout_type): Likewise.
1070
1071 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1072
1073         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
1074         (spu_convert_move): Likewise.
1075         * lower-subreg.c (resolve_simple_move): Likewise.
1076
1077 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1078
1079         PR target/81833
1080         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
1081         define_insn to a define_expand.
1082         (altivec_vsum2sws_direct): New define_insn.
1083         (altivec_vsumsws): Convert from a define_insn to a define_expand.
1084
1085 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1086
1087         * config/arm/arm.c (arm_option_params_internal): Improve setting of
1088         max_insns_skipped.
1089
1090 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1091
1092         PR target/59501
1093         PR target/81624
1094         PR target/81769
1095         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
1096         realign stack if stack alignment needed is less than incoming
1097         stack boundary.
1098
1099 2017-09-05  Marek Polacek  <polacek@redhat.com>
1100
1101         PR sanitizer/82072
1102         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
1103         check earlier.
1104
1105 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1106
1107         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
1108
1109 2017-09-05  Richard Biener  <rguenther@suse.de>
1110
1111         PR tree-optimization/82084
1112         * fold-const.c (can_native_encode_string_p): Handle wide characters.
1113
1114 2017-09-05  Richard Biener  <rguenther@suse.de>
1115
1116         PR tree-optimization/82102
1117         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
1118
1119 2017-09-05  Martin Liska  <mliska@suse.cz>
1120
1121         PR tree-optimization/82032
1122         * tree-cfg.c (generate_range_test): New function.
1123         * tree-cfg.h (generate_range_test): Declared here.
1124         * tree-cfgcleanup.c (convert_single_case_switch): New function.
1125         (cleanup_control_expr_graph): Use it.
1126         * tree-switch-conversion.c (try_switch_expansion): Remove
1127         assert.
1128         (emit_case_nodes): Use generate_range_test.
1129
1130 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1131
1132         PR target/82098
1133         * config/i386/i386.md (*<btsc><mode>_mask): Add
1134         TARGET_USE_BT to insn constraint.
1135         (*btr<mode>_mask): Ditto.
1136
1137 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
1138
1139         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
1140         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
1141
1142 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1143
1144         PR target/77308
1145         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
1146         TARGET_NEON and TARGET_IWMMXT.
1147         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
1148         TARGET_NEON and TARGET_IWMMXT.
1149         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
1150
1151 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1152
1153         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
1154         (ix86_rewrite_tls_address): Ditto.
1155         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
1156         (ix86_rewrite_tls_address_1): Ditto.
1157         (ix86_rewrite_tls_address): Ditto.
1158         * config/i386/predicates.md (tls_address_pattern): New predicate.
1159         * config/i386/i386.md (TLS address splitter): New splitter.
1160
1161 2017-09-04  Richard Biener  <rguenther@suse.de>
1162
1163         PR tree-optimization/82084
1164         * fold-const.h (can_native_encode_string_p): Declare.
1165         * fold-const.c (can_native_encode_string_p): Factor out from ...
1166         (native_encode_string): ... here.
1167         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
1168         vectorizing stores from constants we later cannot handle.
1169
1170 2017-09-04  Marek Polacek  <polacek@redhat.com>
1171
1172         PR c/81783
1173         * doc/invoke.texi: Update -Wtautological-compare documentation.
1174
1175 2017-09-04  Jeff Law  <law@redhat.com>
1176
1177         PR tree-optimization/64910
1178         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
1179         swap the first and last operand if the last is a constant.
1180
1181 2017-09-04  Marek Polacek  <polacek@redhat.com>
1182
1183         PR sanitizer/82072
1184         * convert.c (do_narrow): When sanitizing signed integer overflows,
1185         bail out for signed types.
1186         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
1187
1188 2017-09-04  Richard Biener  <rguenther@suse.de>
1189
1190         PR tree-optimization/82060
1191         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1192         Move devirtualization after stmt folding and before EH/AB/noreturn
1193         cleanup to get the stmt refs canonicalized.  Use a bool instead
1194         of gimple_modified_p since that doesn't work for NOPs.  Schedule
1195         NOPs generated by folding for removal.
1196
1197 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1198             Alan Hayward  <alan.hayward@arm.com>
1199             David Sherwood  <david.sherwood@arm.com>
1200
1201         * coretypes.h (pad_direction): New enum.
1202         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
1203         (FUNCTION_ARG_PADDING): Likewise.
1204         * target.def (function_arg_padding): New hook.
1205         * targhooks.h (default_function_arg_padding): Declare.
1206         * targhooks.c (default_function_arg_padding): New function.
1207         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
1208         (TARGET_FUNCTION_ARG_PADDING): ...this.
1209         * doc/tm.texi: Regenerate.
1210         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
1211         instead of direction.
1212         (compute_argument_addresses): Likewise.
1213         (load_register_parameters): Likewise.
1214         (emit_library_call_value_1): Likewise.
1215         (store_one_arg): Use targetm.calls.function_arg_padding instead
1216         of FUNCTION_ARG_PADDING.
1217         (must_pass_in_stack_var_size_or_pad): Likewise.
1218         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
1219         (emit_group_store): Likewise.
1220         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
1221         instead of FUNCTION_ARG_PADDING.
1222         (emit_push_insn): Likewise, and propagate enum change throughout
1223         function.
1224         * function.h (direction): Delete.
1225         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
1226         of direction.
1227         * function.c (assign_parm_find_stack_rtl): Likewise.
1228         (assign_parm_setup_block_p): Likewise.
1229         (assign_parm_setup_block): Likewise.
1230         (gimplify_parameters): Likewise.
1231         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
1232         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
1233         function.
1234         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
1235         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1236         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
1237         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
1238         (aarch64_function_arg_padding): ...this new function.
1239         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
1240         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1241         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
1242         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1243         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
1244         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1245         (arm_pad_arg_upward): Replace with...
1246         (arm_function_arg_padding): ...this new function.
1247         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
1248         of direction.
1249         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
1250         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
1251         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1252         (ia64_hpux_function_arg_padding): Replace with...
1253         (ia64_function_arg_padding): ...this new function.  Use pad_direction
1254         instead of direction.  Check for TARGET_HPUX.
1255         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
1256         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1257         (iq2000_function_arg_padding): New function.
1258         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
1259         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
1260         (mips_function_arg_padding): ...this new function.
1261         (mips_pad_reg_upward): Update accordingly.
1262         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1263         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
1264         targetm.calls.function_arg_padding.
1265         (FUNCTION_ARG_PADDING): Delete.
1266         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1267         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
1268         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1269         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
1270         (nios2_block_reg_padding): Return pad_direction instead of direction.
1271         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
1272         instead of direction.
1273         (nios2_function_arg_padding): Likewise.  Make static.
1274         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1275         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
1276         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
1277         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
1278         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1279         (pa_function_arg_padding): Make static.  Return pad_direction instead
1280         of direction.
1281         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
1282         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1283         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
1284         instead of direction.  Use targetm.calls.function_arg_padding.
1285         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
1286         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1287         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
1288         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
1289         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
1290         Redefine.
1291         (function_arg_padding): Rename to...
1292         (rs6000_function_arg_padding): ...this.  Make static.  Return
1293         pad_direction instead of direction.
1294         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1295         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
1296         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1297         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
1298         instead of direction.  Use targetm.calls.function_arg_padding.
1299         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
1300         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1301         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
1302         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
1303         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1304         (function_arg_padding): Rename to...
1305         (rs6000_function_arg_padding): ...this.  Make static.  Return
1306         pad_direction instead of direction.
1307         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1308         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
1309         * config/s390/s390.c (s390_function_arg_padding): New function.
1310         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1311         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
1312         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
1313         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1314         (function_arg_padding): Rename to...
1315         (sparc_function_arg_padding): ...this.  Make static.  Return
1316         pad_direction instead of direction.
1317         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
1318         * config/spu/spu.c (spu_function_arg_padding): New function.
1319         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1320         * system.h (FUNCTION_ARG_PADDING): Poison.
1321
1322 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1323             Alan Hayward  <alan.hayward@arm.com>
1324             David Sherwood  <david.sherwood@arm.com>
1325
1326         * target.def (modes_tieable_p): New hook.
1327         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
1328         (TARGET_MODES_TIEABLE_P): ...this.
1329         * doc/tm.texi.in: Regenerate.
1330         * hooks.h (hook_bool_mode_mode_true): Declare.
1331         * hooks.c (hook_bool_mode_mode_true): New function.
1332         * combine.c (subst): Use targetm.modes_tieable_p instead of
1333         MODES_TIEABLE_P.
1334         * dse.c (find_shift_sequence): Likewise.
1335         * expmed.c (extract_low_bits): Likewise.
1336         * lower-subreg.c: Include target.h.
1337         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
1338         MODES_TIEABLE_P.
1339         * rtlanal.c (rtx_cost): Likewise.
1340         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
1341         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
1342         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
1343         (TARGET_MODES_TIEABLE_P): Redefine.
1344         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
1345         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
1346         (TARGET_MODES_TIEABLE_P): Redefine.
1347         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
1348         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
1349         (arc_modes_tieable_p): New function.
1350         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
1351         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
1352         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
1353         (arm_modes_tieable_p): Make static.
1354         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
1355         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
1356         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
1357         (TARGET_MODES_TIEABLE_P): Redefine.
1358         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
1359         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
1360         (TARGET_MODES_TIEABLE_P): Redefine.
1361         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
1362         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
1363         (cr16_modes_tieable_p): New function.
1364         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
1365         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
1366         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
1367         (TRULY_NOOP_TRUNCATION): Update comment.
1368         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
1369         (TRULY_NOOP_TRUNCATION): Update comment.
1370         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
1371         (frv_modes_tieable_p): New function.
1372         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
1373         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
1374         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
1375         (TARGET_MODES_TIEABLE_P): Redefine.
1376         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
1377         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
1378         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
1379         (TARGET_MODES_TIEABLE_P): Redefine.
1380         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
1381         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
1382         (ia64_modes_tieable_p): New function.
1383         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
1384         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
1385         (iq2000_modes_tieable_p): New function.
1386         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
1387         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
1388         (lm32_modes_tieable_p): New function.
1389         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
1390         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
1391         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
1392         (TARGET_MODES_TIEABLE_P): Redefine.
1393         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
1394         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
1395         (m32r_modes_tieable_p): New function.
1396         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
1397         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
1398         (m68k_modes_tieable_p): New function.
1399         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
1400         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
1401         (mcore_modes_tieable_p): New function.
1402         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
1403         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
1404         function.
1405         (TARGET_MODES_TIEABLE_P): Redefine.
1406         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
1407         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
1408         * config/mips/mips.c (mips_modes_tieable_p): Make static.
1409         (TARGET_MODES_TIEABLE_P): Redefine.
1410         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
1411         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
1412         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
1413         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
1414         (mn10300_modes_tieable_p): ...this and make static.
1415         (TARGET_MODES_TIEABLE_P): Redefine.
1416         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
1417         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
1418         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
1419         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
1420         (msp430_modes_tieable_p): Make static.
1421         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
1422         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
1423         (TARGET_MODES_TIEABLE_P): Redefine.
1424         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
1425         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
1426         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
1427         (TARGET_MODES_TIEABLE_P): Redefine.
1428         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
1429         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
1430         * config/pa/pa.c (pa_modes_tieable_p): Make static.
1431         (TARGET_MODES_TIEABLE_P): Redefine.
1432         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
1433         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
1434         (pdp11_modes_tieable_p): New function.
1435         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
1436         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
1437         (rs6000_modes_tieable_p): New function.
1438         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1439         * config/powerpcspe/powerpcspe.md: Update comment.
1440         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
1441         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
1442         (TARGET_MODES_TIEABLE_P): Redefine.
1443         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
1444         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
1445         (rl78_modes_tieable_p): New function.
1446         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
1447         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
1448         (rs6000_modes_tieable_p): New function.
1449         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1450         * config/rs6000/rs6000.md: Update comment.
1451         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
1452         * config/rx/rx.c (rx_modes_tieable_p): New function.
1453         (TARGET_MODES_TIEABLE_P): Redefine.
1454         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
1455         * config/s390/s390.c (s390_modes_tieable_p): New function.
1456         (TARGET_MODES_TIEABLE_P): Redefine.
1457         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
1458         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
1459         (sh_modes_tieable_p): New function.
1460         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
1461         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
1462         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
1463         (sparc_modes_tieable_p): Make static.
1464         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
1465         * config/spu/spu.c (spu_modes_tieable_p): New function.
1466         (TARGET_MODES_TIEABLE_P): Redefine.
1467         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
1468         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
1469         (TARGET_MODES_TIEABLE_P): Redefine.
1470         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
1471         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
1472         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
1473         * config/v850/v850.c (v850_modes_tieable_p): New function.
1474         (TARGET_MODES_TIEABLE_P): Redefine.
1475         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
1476         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
1477         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
1478         (visium_modes_tieable_p): New function.
1479         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
1480         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
1481         (xtensa_modes_tieable_p): New function.
1482         * system.h (MODES_TIEABLE_P): Poison.
1483
1484 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1485             Alan Hayward  <alan.hayward@arm.com>
1486             David Sherwood  <david.sherwood@arm.com>
1487
1488         * target.def (hard_regno_mode_ok): New hook.
1489         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
1490         (TARGET_HARD_REGNO_MODE_OK): ...this.
1491         * doc/tm.texi.in: Regenerate.
1492         * hooks.h (hook_bool_uint_mode_true): Declare.
1493         * hooks.c (hook_bool_uint_mode_true): New function.
1494         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
1495         HARD_REGNO_MODE_OK.
1496         * genpreds.c (write_insn_preds_c): Add an include of target.h.
1497         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
1498         instead of HARD_REGNO_MODE_OK.
1499         * caller-save.c: Include target.h.
1500         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
1501         HARD_REGNO_MODE_OK.
1502         * combine.c (can_combine_p): Likewise.
1503         (combinable_i3pat): Likewise.
1504         (can_change_dest_mode): Likewise.
1505         * expr.c (init_expr_target): Likewise.
1506         (convert_move): Likewise.
1507         (convert_modes): Likewise.
1508         * ira.c (setup_prohibited_class_mode_regs): Likewise.
1509         (setup_prohibited_mode_move_regs): Likewise.
1510         * ira.h (target_ira): Likewise.
1511         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1512         * lra-constraints.c (process_alt_operands): Likewise.
1513         (split_reg): Likewise.
1514         * recog.c (peep2_find_free_register): Likewise.
1515         * ree.c (combine_reaching_defs): Likewise.
1516         * regcprop.c (maybe_mode_change): Likewise.
1517         * reginfo.c (init_reg_sets_1): Likewise.
1518         (choose_hard_reg_mode): Likewise.
1519         (simplifiable_subregs): Likewise.
1520         * regrename.c (check_new_reg_p): Likewise.
1521         * reload.c (find_valid_class): Likewise.
1522         (find_valid_class_1): Likewise.
1523         (reload_inner_reg_of_subreg): Likewise.
1524         (push_reload): Likewise.
1525         (combine_reloads): Likewise.
1526         (find_dummy_reload): Likewise.
1527         (find_reloads): Likewise.
1528         * reload1.c (find_reg): Likewise.
1529         (set_reload_reg): Likewise.
1530         (allocate_reload_reg): Likewise.
1531         (choose_reload_regs): Likewise.
1532         (reload_adjust_reg_for_temp): Likewise.
1533         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
1534         (simplify_subreg_regno): Likewise.
1535         * sel-sched.c (init_regs_for_mode): Likewise.
1536         * varasm.c (make_decl_rtl): Likewise.
1537         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
1538         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
1539         HARD_REGNO_MODE_OK.
1540         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
1541         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
1542         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1543         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
1544         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
1545         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1546         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
1547         (arc_mode_class): Delete.
1548         (HARD_REGNO_MODE_OK): Delete.
1549         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1550         (arc_hard_regno_mode_ok): Rename old array to...
1551         (arc_hard_regno_mode_ok_modes): ...this.
1552         (arc_conditional_register_usage): Update accordingly.
1553         (arc_mode_class): Make static.
1554         (arc_hard_regno_mode_ok): New function.
1555         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
1556         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
1557         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1558         (arm_hard_regno_mode_ok): Make static.
1559         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
1560         HARD_REGNO_MODE_OK.
1561         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
1562         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
1563         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
1564         return a bool.
1565         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1566         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
1567         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
1568         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
1569         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
1570         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1571         * config/bfin/predicates.md (valid_reg_operand): Use
1572         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
1573         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
1574         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
1575         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1576         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
1577         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
1578         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1579         (cr16_hard_regno_mode_ok): Make static and return a bool.
1580         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
1581         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1582         (cris_hard_regno_mode_ok): New function.
1583         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
1584         (epiphany_mode_class): Delete.
1585         (HARD_REGNO_MODE_OK): Delete.
1586         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
1587         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1588         (hard_regno_mode_ok): Rename to...
1589         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
1590         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
1591         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
1592         HARD_REGNO_MODE_OK.
1593         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
1594         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
1595         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1596         (frv_hard_regno_mode_ok): Make static and return a bool.
1597         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
1598         HARD_REGNO_MODE_OK.
1599         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
1600         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
1601         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
1602         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
1603         and return a bool.
1604         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1605         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
1606         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
1607         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
1608         return a bool.
1609         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1610         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
1611         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1612         (ia64_hard_regno_mode_ok): New function.
1613         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
1614         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1615         (iq2000_hard_regno_mode_ok): New function.
1616         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
1617         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1618         (lm32_hard_regno_mode_ok): New function.
1619         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
1620         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
1621         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
1622         instead of HARD_REGNO_MODE_OK.
1623         (m32c_hard_regno_ok): Rename to...
1624         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
1625         (m32c_cannot_change_mode_class): Update accordingly.
1626         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1627         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
1628         (m32r_mode_class): Delete.
1629         (HARD_REGNO_MODE_OK): Delete.
1630         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1631         (m32r_hard_regno_mode_ok): Rename to...
1632         (m32r_hard_regno_modes): ...this.
1633         (m32r_mode_class): Make static.
1634         (m32r_hard_regno_mode_ok): New function.
1635         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
1636         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
1637         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1638         (m68k_hard_regno_mode_ok): Make static.
1639         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
1640         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1641         (mcore_hard_regno_mode_ok): New function.
1642         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
1643         (HARD_REGNO_MODE_OK): Delete.
1644         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
1645         Rename to...
1646         (microblaze_hard_regno_mode_ok_p): ...this and make static.
1647         (microblaze_hard_regno_mode_ok): New function.
1648         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1649         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
1650         (mips_hard_regno_mode_ok): Delete.
1651         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
1652         (mips_hard_regno_mode_ok_p): ...this and make static.
1653         (mips_hard_regno_mode_ok_p): Rename to...
1654         (mips_hard_regno_mode_ok_uncached): ...this.
1655         (mips_hard_regno_mode_ok): New function.
1656         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
1657         of HARD_REGNO_MODE_OK.
1658         (mips_option_override): Update after above name changes.
1659         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1660         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
1661         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
1662         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
1663         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
1664         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1665         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
1666         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
1667         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
1668         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1669         (msp430_hard_regno_mode_ok): Make static and return a bool.
1670         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
1671         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
1672         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
1673         and return a bool.
1674         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1675         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
1676         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
1677         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
1678         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
1679         (PA_HARD_REGNO_MODE_OK): ...this
1680         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
1681         (PA_HARD_REGNO_MODE_OK): ...this.
1682         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1683         (pa_hard_regno_mode_ok): New function.
1684         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
1685         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1686         (pdp11_hard_regno_mode_ok): New function.
1687         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
1688         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
1689         Delete.
1690         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
1691         Make static.
1692         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1693         (rs6000_hard_regno_mode_ok): Rename to...
1694         (rs6000_hard_regno_mode_ok_uncached): ...this.
1695         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1696         (rs6000_hard_regno_mode_ok): New function.
1697         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
1698         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
1699         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
1700         (riscv_hard_regno_mode_ok): ...this and make static.
1701         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1702         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
1703         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
1704         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1705         (rl78_hard_regno_mode_ok): Make static and return bool.
1706         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
1707         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
1708         Delete.
1709         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
1710         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1711         (rs6000_hard_regno_mode_ok): Rename to...
1712         (rs6000_hard_regno_mode_ok_uncached): ...this.
1713         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1714         (rs6000_hard_regno_mode_ok): New function.
1715         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
1716         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
1717         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1718         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
1719         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
1720         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
1721         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1722         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
1723         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
1724         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1725         (sh_hard_regno_mode_ok): Make static.
1726         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
1727         instead of HARD_REGNO_MODE_OK.
1728         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
1729         (sparc_mode_class): Delete.
1730         (HARD_REGNO_MODE_OK): Delete.
1731         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1732         (hard_regno_mode_classes): Make static.
1733         (sparc_mode_class): Likewise.
1734         (sparc_hard_regno_mode_ok): New function.
1735         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
1736         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
1737         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
1738         function.
1739         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1740         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
1741         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
1742         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
1743         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
1744         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1745         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
1746         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
1747         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1748         (visium_hard_regno_mode_ok): New function.
1749         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
1750         instead of HARD_REGNO_MODE_OK.
1751         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
1752         (HARD_REGNO_MODE_OK): Delete.
1753         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
1754         (xtensa_hard_regno_mode_ok_p): ...this and make static.
1755         (xtensa_option_override): Update accordingly.
1756         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1757         (xtensa_hard_regno_mode_ok): New function.
1758         * system.h (HARD_REGNO_MODE_OK): Poison.
1759
1760 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1761             Alan Hayward  <alan.hayward@arm.com>
1762             David Sherwood  <david.sherwood@arm.com>
1763
1764         * target.def (hard_regno_call_part_clobbered): New hook.
1765         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
1766         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
1767         * doc/tm.texi: Regenerate.
1768         * hooks.h (hook_bool_uint_mode_false): Declare.
1769         * hooks.c (hook_bool_uint_mode_false): New function.
1770         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1771         * cselib.c (cselib_process_insn): Use
1772         targetm.hard_regno_call_part_clobbered instead of
1773         HARD_REGNO_CALL_PART_CLOBBERED.
1774         * ira-conflicts.c (ira_build_conflicts): Likewise.
1775         * ira-costs.c (ira_tune_allocno_costs): Likewise.
1776         * lra-constraints.c (need_for_call_save_p): Likewise.
1777         * lra-lives.c: Include target.h.
1778         (check_pseudos_live_through_calls): Use
1779         targetm.hard_regno_call_part_clobbered instead of
1780         HARD_REGNO_CALL_PART_CLOBBERED.
1781         * regcprop.c: Include target.h.
1782         (copyprop_hardreg_forward_1): Use
1783         targetm.hard_regno_call_part_clobbered instead of
1784         HARD_REGNO_CALL_PART_CLOBBERED.
1785         * reginfo.c (choose_hard_reg_mode): Likewise.
1786         * regrename.c (check_new_reg_p): Likewise.
1787         * reload.c (find_equiv_reg): Likewise.
1788         * reload1.c (emit_reload_insns): Likewise.
1789         * sched-deps.c (deps_analyze_insn): Likewise.
1790         * sel-sched.c (init_regs_for_mode): Likewise.
1791         (mark_unavailable_hard_regs): Likewise.
1792         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
1793         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1794         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
1795         New function.
1796         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1797         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1798         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
1799         Delete.
1800         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
1801         and return a bool.
1802         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1803         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1804         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
1805         function.
1806         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1807         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1808         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
1809         function.
1810         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1811         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
1812         Delete.
1813         * config/powerpcspe/powerpcspe.c
1814         (rs6000_hard_regno_call_part_clobbered): New function.
1815         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1816         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1817         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
1818         New function.
1819         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1820         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1821         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
1822         function.
1823         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1824         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1825         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
1826
1827 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1828             Alan Hayward  <alan.hayward@arm.com>
1829             David Sherwood  <david.sherwood@arm.com>
1830
1831         * rtl.h (subreg_memory_offset): Declare.
1832         * emit-rtl.c (subreg_memory_offset): New function.
1833         * expmed.c (store_bit_field_1): Use it.
1834         * expr.c (undefined_operand_subword_p): Likewise.
1835         * simplify-rtx.c (simplify_subreg): Likewise.
1836
1837 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
1838
1839         PR rtl-optimization/57448
1840         PR target/67458
1841         PR target/81316
1842         * optabs.c (expand_atomic_load): Place compiler memory barriers if
1843         using atomic_load pattern.
1844         (expand_atomic_store): Likewise.
1845
1846 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
1847
1848         PR sanitizer/81981
1849         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
1850         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
1851         handling.  Use replace_call_with_value with NULL instead of
1852         gsi_replace, unlink_stmt_vdef and release_defs.
1853
1854         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
1855         instead of tab.
1856
1857         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
1858
1859 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1860
1861         PR bootstrap/82045
1862         * rtl.h (emit_library_call_value_1): Declare.
1863         (emit_library_call): Replace declaration with a series of overloads.
1864         Remove the parameter count argument.
1865         (emit_library_call_value): Likewise.
1866         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
1867         with an "rtx_mode_t *".
1868         (emit_library_call_value): Delete.
1869         (emit_library_call): Likewise.
1870         * asan.c (asan_emit_stack_protection): Update calls accordingly.
1871         (asan_emit_allocas_unpoison): Likewise.
1872         * builtins.c (expand_builtin_powi): Likewise.
1873         (expand_asan_emit_allocas_unpoison): Likewise.
1874         * cfgexpand.c (expand_main_function): Likewise.
1875         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
1876         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
1877         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
1878         * config/arm/arm.c (arm_trampoline_init): Likewise.
1879         (arm_call_tls_get_addr): Likewise.
1880         (arm_expand_divmod_libfunc): Likewise.
1881         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
1882         (smulsi3_highpart): Likewise.
1883         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
1884         (c6x_expand_compare): Likewise.
1885         (c6x_expand_movmem): Likewise.
1886         * config/frv/frv.c (frv_trampoline_init): Likewise.
1887         * config/i386/i386.c (ix86_trampoline_init): Likewise.
1888         (ix86_expand_divmod_libfunc): Likewise.
1889         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1890         (ia64_expand_compare): Likewise.
1891         (ia64_profile_hook): Likewise.
1892         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
1893         (nonlocal_goto): Likewise.
1894         (restore_stack_nonlocal): Likewise.
1895         * config/m32r/m32r.c (block_move_call): Likewise.
1896         (m32r_trampoline_init): Likewise.
1897         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1898         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
1899         (m68k_call_m68k_read_tp): Likewise.
1900         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
1901         (microblaze_expand_divide): Likewise.
1902         * config/mips/mips.h (mips_args): Likewise.
1903         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
1904         (MIPS_ICACHE_SYNC): Likewise.
1905         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
1906         (nios2_trampoline_init): Likewise.
1907         * config/pa/pa.c (hppa_tls_call): Likewise.
1908         (pa_trampoline_init): Likewise.
1909         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
1910         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
1911         (expand_strn_compare): Likewise.
1912         (rs6000_generate_compare): Likewise.
1913         (rs6000_expand_float128_convert): Likewise.
1914         (output_profile_hook): Likewise.
1915         (rs6000_trampoline_init): Likewise.
1916         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
1917         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
1918         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
1919         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1920         (rs6000_generate_compare): Likewise.
1921         (rs6000_expand_float128_convert): Likewise.
1922         (output_profile_hook): Likewise.
1923         (rs6000_trampoline_init): Likewise.
1924         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
1925         * config/sh/sh.c (sh_trampoline_init): Likewise.
1926         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
1927         (sparc_emit_float_lib_cmp): Likewise.
1928         (sparc32_initialize_trampoline): Likewise.
1929         (sparc64_initialize_trampoline): Likewise.
1930         (sparc_profile_hook): Likewise.
1931         * config/spu/spu.c (ea_load_store): Likewise.
1932         * config/spu/spu.md (floatunssidf2): Likewise.
1933         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
1934         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
1935         * config/visium/visium.c (expand_block_move_4): Likewise.
1936         (expand_block_move_2): Likewise.
1937         (expand_block_move_1): Likewise.
1938         (expand_block_set_4): Likewise.
1939         (expand_block_set_2): Likewise.
1940         (expand_block_set_1): Likewise.
1941         (visium_trampoline_init): Likewise.
1942         (visium_profile_hook): Likewise.
1943         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
1944         (xtensa_setup_frame_addresses): Likewise.
1945         (xtensa_trampoline_init): Likewise.
1946         * except.c (sjlj_emit_function_enter): Likewise.
1947         (sjlj_emit_function_exit): Likewise.
1948         * explow.c (allocate_dynamic_stack_space): Likewise.
1949         (probe_stack_range): Likewise.
1950         * expr.c (convert_mode_scalar): Likewise.
1951         * optabs.c (expand_binop): Likewise.
1952         (expand_twoval_binop_libfunc): Likewise.
1953         (expand_unop): Likewise.
1954         (prepare_cmp_insn): Likewise.
1955         (prepare_float_lib_cmp): Likewise.
1956         (expand_float): Likewise.
1957         (expand_fix): Likewise.
1958         (expand_fixed_convert): Likewise.
1959         (maybe_emit_sync_lock_test_and_set): Likewise.
1960         (expand_atomic_compare_and_swap): Likewise.
1961         (expand_mem_thread_fence): Likewise.
1962         (expand_atomic_fetch_op): Likewise.
1963
1964 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
1965
1966         * doc/generic.texi (OpenACC): Adjust URL.
1967         * doc/invoke.texi (C Dialect Options): Ditto.
1968
1969 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
1970
1971         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
1972         predicate for operand 1.  Add (m,<S>) constraint.
1973         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
1974         Prevent memory operand 1 with register operand 2.
1975
1976 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1977
1978         PR rtl-optimization/82024
1979         * combine.c (try_combine): If the combination result is a PARALLEL,
1980         and we only need to retain the SET in there that would be placed
1981         at I2, check that we can place that at I3 instead, before doing so.
1982
1983 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
1984
1985         PR target/81766
1986         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
1987         instead of void.
1988         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
1989         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
1990         and label.
1991
1992 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
1993             Jeff Law  <law@redhat.com>
1994
1995         * varasm.c (bss_initializer_p): Do not put constants into .bss
1996         (categorize_decl_for_section): Handle bss_initializer_p returning
1997         false when DECL_INITIAL is NULL.
1998
1999 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2000
2001         PR target/82012
2002         * config/s390/s390.c (s390_can_inline_p): New function.
2003
2004 2017-09-01  Jeff Law  <law@redhat.com>
2005
2006         PR tree-optimization/82052
2007         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
2008         Always initialize the returned slot after a hash table miss
2009         when INSERT is true.
2010
2011 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
2012
2013         * config/s390/s390.md (mem_signal_fence): Remove.
2014         * doc/md.texi (mem_signal_fence): Remove.
2015         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
2016         Update comments.
2017         * target-insns.def (mem_signal_fence): Remove.
2018
2019 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2020
2021         PR sanitizer/81902
2022         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
2023
2024         PR sanitizer/81923
2025         * asan.c (create_odr_indicator): Strip name encoding from assembler
2026         name before appending it after __odr_asan_.
2027
2028 2017-09-01  Martin Liska  <mliska@suse.cz>
2029
2030         PR tree-optimization/82059
2031         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
2032         frequency only when an edge is redirected.
2033
2034 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2035
2036         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
2037         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
2038         (arc_conditional_register_usage): Remove ARC600 lp_count
2039         exception.
2040         (arc_file_start): Emit Tag_ARC_CPU_variation.
2041         (arc_can_use_doloop_p): New conditions to use ZOLs.
2042         (hwloop_fail): New function.
2043         (hwloop_optimize): Likewise.
2044         (hwloop_pattern_reg): Likewise.
2045         (arc_doloop_hooks): New struct, to be used with reorg_loops.
2046         (arc_reorg_loops): New function, calls reorg_loops.
2047         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
2048         (arc600_corereg_hazard): Remove ZOL checking, case handled by
2049         hwloop_optimize.
2050         (arc_loop_hazard): Remove function, functionality moved into
2051         hwloop_optimize.
2052         (arc_hazard): Remove arc_loop_hazard call.
2053         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
2054         into hwloop_optimize.
2055         (arc_label_align): Remove ZOL handling.
2056         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
2057         * config/arc/arc.md (doloop_begin): Remove pattern.
2058         (doloop_begin_i): Likewise.
2059         (doloop_end_i): Likewise.
2060         (doloop_fallback): Likewise.
2061         (doloop_fallback_m): Likewise.
2062         (doloop_end): Reimplement expand.
2063         (arc_lp): New pattern for LP instruction.
2064         (loop_end): New pattern.
2065         (loop_fail): Likewise.
2066         (decrement_and_branch_until_zero): Likewise.
2067         * config/arc/arc.opt (mlpc-width): New option.
2068         * doc/invoke.texi (mlpc-width): Document option.
2069
2070 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2071
2072         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
2073         (arc_ccfsm_advance): Fix checking for delay slots.
2074         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
2075
2076 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2077
2078         * config/arc/arc.md (movqi_insn): Add stores to save constant long
2079         immediates.
2080         (movhi_insn): Update store instruction constraint which are saving
2081         6-bit short immediates.
2082         (movsi_insn): Consider also short scaled load operations.
2083         (zero_extendhisi2_i): Use Usd constraint instead of T.
2084         (extendhisi2_i): Add q constraint.
2085         (arc_clzsi2): Add type and length attributes.
2086         (arc_ctzsi2): Likewise.
2087         * config/arc/constraints.md (Usc): Update constraint, the
2088         assembler can parse two relocations for a single instruction.
2089
2090 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2091
2092         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
2093         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
2094
2095 2017-08-31  Olivier Hainque  <hainque@adacore.com>
2096
2097         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
2098         match as powerpc-wrs-vxworks*.
2099
2100 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
2101
2102         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
2103         register constraint for by-element operand.
2104         (aarch64_mls_elt_merge<mode>): Likewise.
2105
2106 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2107
2108         * config/arc/arc.c (arc_can_follow_jump): Check for short
2109         branches.
2110
2111 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2112
2113         * config.gcc: Use g.opt for arc.
2114         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
2115         functionality moved to ...
2116         (legitimate_scaled_address_p): New function, ...here.
2117         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
2118         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
2119         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
2120         condition.
2121         (arc_override_options): Handle G option.
2122         (arc_output_pic_addr_const): Correct function definition.
2123         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
2124         (arc_decl_anon_ns_mem_p): Delete.
2125         (arc_in_small_data_p): Overhaul this function to take into
2126         consideration the value given via G option.
2127         (arc_rewrite_small_data_1): Renamed and corrected old
2128         arc_rewrite_small_data function.
2129         (arc_rewrite_small_data): New function.
2130         (small_data_pattern): Don't use pic_offset_table_rtx.
2131         * config/arc/arc.h (CC1_SPEC): Recognize G option.
2132         * config/arc/simdext.md (movmisalignv2hi): Use
2133         prepare_move_operands function.
2134         (mov*): Likewise.
2135         (movmisalign*): Likewise.
2136         * doc/invoke.texi (ARC options): Document -G option.
2137
2138 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2139
2140         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
2141         prototype.
2142         * config/arc/arc.c (arc_print_operand): Output scalled address for
2143         sdata whenever is possible.
2144         (arc_in_small_data_p): Allow sdata for 64bit datum when double
2145         load/stores are available.
2146         (compact_sda_memory_operand): Check for the alignment required by
2147         code density instructions.
2148         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
2149         constraint.
2150         * config/arc/constraints.md (Usd): Update constraint.
2151         (Us0): New constraint.
2152         (Usc): Update constraint.
2153
2154 2017-08-31  Richard Biener  <rguenther@suse.de>
2155
2156         PR middle-end/82054
2157         * dwarf2out.c (dwarf2out_early_global_decl): Process each
2158         function only once.
2159
2160 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
2161
2162         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
2163         Resize type_signature.
2164
2165 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2166             Alan Hayward  <alan.hayward@arm.com>
2167             David Sherwood  <david.sherwood@arm.com>
2168
2169         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
2170         subregs whose inner modes can be stored in GPRs.
2171         (aarch64_classify_index): Likewise.
2172
2173 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2174             Alan Hayward  <alan.hayward@arm.com>
2175             David Sherwood  <david.sherwood@arm.com>
2176
2177         * config/aarch64/iterators.md (V_cmp_result): Rename to...
2178         (V_INT_EQUIV): ...this.
2179         (v_cmp_result): Rename to...
2180         (v_int_equiv): ...this.
2181         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
2182         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
2183         (copysign<mode>3): Likewise.
2184         (aarch64_simd_bsl<mode>_internal): Likewise.
2185         (aarch64_simd_bsl<mode>): Likewise.
2186         (vec_cmp<mode><mode>): Likewise.
2187         (vcond<mode><mode>): Likewise.
2188         (vcond<v_cmp_mixed><mode>): Likewise.
2189         (vcondu<mode><v_cmp_mixed>): Likewise.
2190         (aarch64_cm<optab><mode>): Likewise.
2191         (aarch64_cmtst<mode>): Likewise.
2192         (aarch64_fac<optab><mode>): Likewise.
2193         (vec_perm_const<mode>): Likewise.
2194         (vcond_mask_<mode><v_cmp_result>): Rename to...
2195         (vcond_mask_<mode><v_int_equiv>): ...this.
2196         (vec_cmp<mode><v_cmp_result>): Rename to...
2197         (vec_cmp<mode><v_int_equiv>): ...this.
2198
2199 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2200             Alan Hayward  <alan.hayward@arm.com>
2201             David Sherwood  <david.sherwood@arm.com>
2202
2203         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
2204         vector modes.
2205         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
2206         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
2207         (UNSPEC_LD4_DREG): New unspecs.
2208         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
2209         (aarch64_ld2<mode>_dreg_be): Replace with...
2210         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
2211         unspec.
2212         (aarch64_ld3<mode>_dreg_le)
2213         (aarch64_ld3<mode>_dreg_be): Replace with...
2214         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
2215         unspec.
2216         (aarch64_ld4<mode>_dreg_le)
2217         (aarch64_ld4<mode>_dreg_be): Replace with...
2218         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
2219         unspec.
2220
2221 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2222
2223         PR tree-optimization/81987
2224         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
2225         insert an initializer in a location not dominated by the stride
2226         definition.
2227
2228 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2229
2230         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
2231         on the entire header of the finally block in the fallthru case.
2232
2233 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2234
2235         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
2236
2237 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
2238
2239         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
2240         rs6000_emit_move_from_cr and call renamed function.
2241         (rs6000_emit_prologue): Call renamed functions.
2242         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
2243         movesi_from_cr, remove volatile CRs.
2244
2245 2017-08-30  Jon Beniston  <jon@beniston.com>
2246             Richard Biener  <rguenther@suse.de>
2247
2248         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
2249         of VECTOR_MODE_P check.
2250         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
2251         element vector types.
2252
2253 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2254
2255         * df.h (df_read_modify_subreg_p): Remove in favor of...
2256         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
2257         const_rtx instead of an rtx.
2258         * cprop.c (local_cprop_find_used_regs): Update accordingly.
2259         * df-problems.c (df_word_lr_mark_ref): Likewise.
2260         * ira-lives.c (mark_pseudo_reg_live): Likewise.
2261         (mark_pseudo_reg_dead): Likewise.
2262         (mark_ref_dead): Likewise.
2263         * reginfo.c (init_subregs_of_mode): Likewise.
2264         * sched-deps.c (sched_analyze_1): Likewise.
2265         * df-scan.c (df_def_record_1): Likewise.
2266         (df_uses_record): Likewise.
2267         (df_read_modify_subreg_p): Remove in favor of...
2268         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
2269         const_rtx instead of an rtx.
2270
2271 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2272             Alan Hayward  <alan.hayward@arm.com>
2273             David Sherwood  <david.sherwood@arm.com>
2274
2275         * rtl.h (partial_subreg_p): New function.
2276         * caller-save.c (save_call_clobbered_regs): Use it.
2277         * calls.c (expand_call): Likewise.
2278         * combine.c (combinable_i3pat): Likewise.
2279         (simplify_set): Likewise.
2280         (make_extraction): Likewise.
2281         (make_compound_operation_int): Likewise.
2282         (gen_lowpart_or_truncate): Likewise.
2283         (force_to_mode): Likewise.
2284         (make_field_assignment): Likewise.
2285         (reg_truncated_to_mode): Likewise.
2286         (record_truncated_value): Likewise.
2287         (move_deaths): Likewise.
2288         * cse.c (record_jump_cond): Likewise.
2289         (cse_insn): Likewise.
2290         * cselib.c (cselib_lookup_1): Likewise.
2291         * expmed.c (extract_bit_field_using_extv): Likewise.
2292         * function.c (assign_parm_setup_reg): Likewise.
2293         * ifcvt.c (noce_convert_multiple_sets): Likewise.
2294         * ira-build.c (create_insn_allocnos): Likewise.
2295         * lra-coalesce.c (merge_pseudos): Likewise.
2296         * lra-constraints.c (match_reload): Likewise.
2297         (simplify_operand_subreg): Likewise.
2298         (curr_insn_transform): Likewise.
2299         * lra-lives.c (process_bb_lives): Likewise.
2300         * lra.c (new_insn_reg): Likewise.
2301         (lra_substitute_pseudo): Likewise.
2302         * regcprop.c (mode_change_ok): Likewise.
2303         (maybe_mode_change): Likewise.
2304         (copyprop_hardreg_forward_1): Likewise.
2305         * reload.c (push_reload): Likewise.
2306         (find_reloads): Likewise.
2307         (find_reloads_subreg_address): Likewise.
2308         * reload1.c (alter_reg): Likewise.
2309         (eliminate_regs_1): Likewise.
2310         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2311
2312 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
2313
2314         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
2315         back to if statements, including unpack.
2316
2317 2017-08-30  Martin Liska  <mliska@suse.cz>
2318
2319         PR inline-asm/82001
2320         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
2321         Rename to ...
2322         (func_checker::compare_asm_inputs_outputs): ... this function.
2323         (func_checker::compare_gimple_asm): Use the function to compare
2324         also ASM constrains.
2325         * ipa-icf-gimple.h: Rename the function.
2326
2327 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2328             Alan Hayward  <alan.hayward@arm.com>
2329             David Sherwood  <david.sherwood@arm.com>
2330
2331         * coretypes.h (complex_mode): New type.
2332         * gdbhooks.py (build_pretty_printer): Handle it.
2333         * machmode.h (complex_mode): New class.
2334         (complex_mode::includes_p): New function.
2335         (is_complex_int_mode): Likewise.
2336         (is_complex_float_mode): Likewise.
2337         * genmodes.c (get_mode_class): Handle complex mode classes.
2338         * function.c (expand_function_end): Use is_complex_int_mode.
2339
2340 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2341             Alan Hayward  <alan.hayward@arm.com>
2342             David Sherwood  <david.sherwood@arm.com>
2343
2344         * coretypes.h (scalar_mode_pod): New typedef.
2345         * gdbhooks.py (build_pretty_printer): Handle it.
2346         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
2347         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
2348         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
2349         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
2350         as_a <scalar_mode>.
2351
2352 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2353             Alan Hayward  <alan.hayward@arm.com>
2354             David Sherwood  <david.sherwood@arm.com>
2355
2356         * machmode.h (mode_for_vector): Take a scalar_mode instead
2357         of a machine_mode.
2358         * stor-layout.c (mode_for_vector): Likewise.
2359         * explow.c (promote_mode): Use as_a <scalar_mode>.
2360         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
2361
2362 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2363             Alan Hayward  <alan.hayward@arm.com>
2364             David Sherwood  <david.sherwood@arm.com>
2365
2366         * target.def (preferred_simd_mode): Take a scalar_mode
2367         instead of a machine_mode.
2368         * targhooks.h (default_preferred_simd_mode): Likewise.
2369         * targhooks.c (default_preferred_simd_mode): Likewise.
2370         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
2371         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
2372         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
2373         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
2374         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
2375         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
2376         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
2377         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
2378         Likewise.
2379         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
2380         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
2381         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
2382         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
2383         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
2384         * doc/tm.texi: Regenerate.
2385         * optabs-query.c (can_vec_mask_load_store_p): Return false for
2386         non-scalar modes.
2387
2388 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2389             Alan Hayward  <alan.hayward@arm.com>
2390             David Sherwood  <david.sherwood@arm.com>
2391
2392         * target.def (scalar_mode_supported_p): Take a scalar_mode
2393         instead of a machine_mode.
2394         * targhooks.h (default_scalar_mode_supported_p): Likewise.
2395         * targhooks.c (default_scalar_mode_supported_p): Likewise.
2396         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
2397         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
2398         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
2399         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
2400         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
2401         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
2402         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
2403         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
2404         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
2405         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
2406         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
2407         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
2408         Likewise.
2409         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
2410         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
2411         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
2412         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
2413         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
2414         Likewise.
2415         * doc/tm.texi: Regenerate.
2416
2417 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2418             Alan Hayward  <alan.hayward@arm.com>
2419             David Sherwood  <david.sherwood@arm.com>
2420
2421         * coretypes.h (opt_scalar_mode): New typedef.
2422         * gdbhooks.py (build_pretty_printers): Handle it.
2423         * machmode.h (mode_iterator::get_2xwider): Add overload for
2424         opt_mode<T>.
2425         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
2426         over scalar modes.
2427         * expr.c (convert_mode_scalar): Likewise.
2428         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2429         * optabs.c (expand_float): Likewise.
2430         (expand_fix): Likewise.
2431         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2432
2433 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2434             Alan Hayward  <alan.hayward@arm.com>
2435             David Sherwood  <david.sherwood@arm.com>
2436
2437         * optabs.c (expand_float): Explicitly check for scalars before
2438         using a branching expansion.
2439         (expand_fix): Likewise.
2440
2441 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2442             Alan Hayward  <alan.hayward@arm.com>
2443             David Sherwood  <david.sherwood@arm.com>
2444
2445         * expr.c (convert_mode): Split scalar handling out into...
2446         (convert_mode_scalar): ...this new function.  Treat the modes
2447         as scalar_modes.
2448
2449 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2450             Alan Hayward  <alan.hayward@arm.com>
2451             David Sherwood  <david.sherwood@arm.com>
2452
2453         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
2454         and scalar_mode.
2455         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
2456
2457 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2458             Alan Hayward  <alan.hayward@arm.com>
2459             David Sherwood  <david.sherwood@arm.com>
2460
2461         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
2462         rather than a machine_mode.
2463         (fixed_from_string): Likewise.
2464         (fixed_convert): Likewise.
2465         (fixed_convert_from_int): Likewise.
2466         (fixed_convert_from_real): Likewise.
2467         (real_convert_from_fixed): Likewise.
2468         * fixed-value.c (fixed_from_double_int): Likewise.
2469         (fixed_from_string): Likewise.
2470         (fixed_convert): Likewise.
2471         (fixed_convert_from_int): Likewise.
2472         (fixed_convert_from_real): Likewise.
2473         (real_convert_from_fixed): Likewise.
2474         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
2475
2476 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2477             Alan Hayward  <alan.hayward@arm.com>
2478             David Sherwood  <david.sherwood@arm.com>
2479
2480         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
2481         of separate mode class checks.  Do not allow vector modes here.
2482         (immed_wide_int_const): Use as_a <scalar_mode>.
2483         * explow.c (trunc_int_for_mode): Likewise.
2484         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
2485         (wi::shwi): Likewise.
2486         (wi::min_value): Likewise.
2487         (wi::max_value): Likewise.
2488         * dwarf2out.c (loc_descriptor): Likewise.
2489         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
2490         for CONST_WIDE_INT.
2491
2492 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2493             Alan Hayward  <alan.hayward@arm.com>
2494             David Sherwood  <david.sherwood@arm.com>
2495
2496         * tree.h (SCALAR_TYPE_MODE): New macro.
2497         * expr.c (expand_expr_addr_expr_1): Use it.
2498         (expand_expr_real_2): Likewise.
2499         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
2500         (fold_convert_const_fixed_from_int): Likewise.
2501         (fold_convert_const_fixed_from_real): Likewise.
2502         (native_encode_fixed): Likewise
2503         (native_encode_complex): Likewise
2504         (native_encode_vector): Likewise.
2505         (native_interpret_fixed): Likewise.
2506         (native_interpret_real): Likewise.
2507         (native_interpret_complex): Likewise.
2508         (native_interpret_vector): Likewise.
2509         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
2510         (simd_clone_adjust_argument_types): Likewise.
2511         (simd_clone_init_simd_arrays): Likewise.
2512         (simd_clone_adjust): Likewise.
2513         * stor-layout.c (layout_type): Likewise.
2514         * tree.c (build_minus_one_cst): Likewise.
2515         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
2516         * tree-inline.c (estimate_move_cost): Likewise.
2517         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
2518         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
2519         (vectorizable_reduction): Likewise.
2520         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
2521         (vect_recog_mixed_size_cond_pattern): Likewise.
2522         (check_bool_pattern): Likewise.
2523         (adjust_bool_pattern): Likewise.
2524         (search_type_for_mask_1): Likewise.
2525         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
2526         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2527         (vectorizable_load): Likewise.
2528         (vectorizable_store): Likewise.
2529         * ubsan.c (ubsan_encode_value): Likewise.
2530         * varasm.c (output_constant): Likewise.
2531
2532 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2533             Alan Hayward  <alan.hayward@arm.com>
2534             David Sherwood  <david.sherwood@arm.com>
2535
2536         * coretypes.h (scalar_mode): New class.
2537         * machmode.h (scalar_mode): Likewise.
2538         (scalar_mode::includes_p): New function.
2539         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
2540         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
2541         * genmodes.c (get_mode_class): Handle remaining scalar modes.
2542         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
2543         * expmed.c (store_bit_field_1): Likewise.
2544         (extract_bit_field_1): Likewise.
2545         * expr.c (write_complex_part): Likewise.
2546         (read_complex_part): Likewise.
2547         (emit_move_complex_push): Likewise.
2548         (expand_expr_real_2): Likewise.
2549         * function.c (assign_parm_setup_reg): Likewise.
2550         (assign_parms_unsplit_complex): Likewise.
2551         * optabs.c (expand_binop): Likewise.
2552         * rtlanal.c (subreg_get_info): Likewise.
2553         * simplify-rtx.c (simplify_immed_subreg): Likewise.
2554         * varasm.c (output_constant_pool_2): Likewise.
2555
2556 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2557             Alan Hayward  <alan.hayward@arm.com>
2558             David Sherwood  <david.sherwood@arm.com>
2559
2560         * expmed.c (extract_high_half): Use scalar_int_mode and remove
2561         assertion.
2562         (expmed_mult_highpart_optab): Likewise.
2563         (expmed_mult_highpart): Likewise.
2564
2565 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2566             Alan Hayward  <alan.hayward@arm.com>
2567             David Sherwood  <david.sherwood@arm.com>
2568
2569         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
2570         instead of a machine_mode.
2571         (builtin_memset_read_str): Likewise.
2572         * builtins.c (c_readstr): Likewise.
2573         (builtin_memcpy_read_str): Likewise.
2574         (builtin_strncpy_read_str): Likewise.
2575         (builtin_memset_read_str): Likewise.
2576         (builtin_memset_gen_str): Likewise.
2577         (expand_builtin_signbit): Use scalar_int_mode for local variables.
2578         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
2579         instead of a machine_mode.
2580         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
2581         variables.
2582         (make_extraction): Likewise.
2583         (try_widen_shift_mode): Take and return scalar_int_modes instead
2584         of machine_modes.
2585         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
2586         a scalar_int_mode instead of a machine_mode.
2587         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
2588         (avr_addr_space_pointer_mode): Likewise.
2589         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
2590         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
2591         (msp430_unwind_word_mode): Likewise.
2592         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
2593         (spu_addr_space_pointer_mode): Likewise.
2594         (spu_addr_space_address_mode): Likewise.
2595         (spu_libgcc_cmp_return_mode): Likewise.
2596         (spu_libgcc_shift_count_mode): Likewise.
2597         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
2598         (rl78_addr_space_pointer_mode): Likewise.
2599         (fl78_unwind_word_mode): Likewise.
2600         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
2601         machine_mode.
2602         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
2603         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
2604         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
2605         (mips_valid_pointer_mode): Likewise.
2606         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
2607         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
2608         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
2609         of a machine_mode.
2610         (ft32_addr_space_address_mode): Likewise.
2611         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
2612         scalar_int_mode instead of a machine_mode.
2613         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
2614         of a machine_mode.
2615         (m32c_addr_space_address_mode): Likewise.
2616         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
2617         (rs6000_eh_return_filter_mode): Likewise.
2618         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
2619         (rs6000_eh_return_filter_mode): Likewise.
2620         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
2621         (s390_libgcc_shift_count_mode): Likewise.
2622         (s390_unwind_word_mode): Likewise.
2623         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
2624         machine_mode.
2625         * target.def (mode_rep_extended): Likewise.
2626         (valid_pointer_mode): Likewise.
2627         (addr_space.valid_pointer_mode): Likewise.
2628         (eh_return_filter_mode): Return a scalar_int_mode rather than
2629         a machine_mode.
2630         (libgcc_cmp_return_mode): Likewise.
2631         (libgcc_shift_count_mode): Likewise.
2632         (unwind_word_mode): Likewise.
2633         (addr_space.pointer_mode): Likewise.
2634         (addr_space.address_mode): Likewise.
2635         * doc/tm.texi: Regenerate.
2636         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
2637         a machine_mode.
2638         (do_jump): Use scalar_int_mode for local variables.
2639         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
2640         rather than a machine_mode.
2641         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
2642         (scompare_loc_descriptor_wide): Likewise.
2643         (scompare_loc_descriptor_narrow): Likewise.
2644         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
2645         variables.
2646         * except.c (sjlj_emit_dispatch_table): Likewise.
2647         (expand_builtin_eh_copy_values): Likewise.
2648         * explow.c (convert_memory_address_addr_space_1): Likewise.
2649         Take a scalar_int_mode rather than a machine_mode.
2650         (convert_memory_address_addr_space): Take a scalar_int_mode rather
2651         than a machine_mode.
2652         (memory_address_addr_space): Use scalar_int_mode for local variables.
2653         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
2654         rather than a machine_mode.
2655         * expmed.c (mask_rtx): Likewise.
2656         (init_expmed_one_conv): Likewise.
2657         (expand_mult_highpart_adjust): Likewise.
2658         (extract_high_half): Likewise.
2659         (expmed_mult_highpart_optab): Likewise.
2660         (expmed_mult_highpart): Likewise.
2661         (expand_smod_pow2): Likewise.
2662         (expand_sdiv_pow2): Likewise.
2663         (emit_store_flag_int): Likewise.
2664         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
2665         variables.
2666         (extract_low_bits): Likewise.
2667         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
2668         a machine_mode.
2669         * expr.c (pieces_addr::adjust):  Likewise.
2670         (can_store_by_pieces): Likewise.
2671         (store_by_pieces): Likewise.
2672         (clear_by_pieces_1): Likewise.
2673         (expand_expr_addr_expr_1): Likewise.
2674         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
2675         (expand_expr_real_1): Likewise.
2676         (try_casesi): Likewise.
2677         * final.c (shorten_branches): Likewise.
2678         * fold-const.c (fold_convert_const_int_from_fixed): Change the
2679         type of "mode" to machine_mode.
2680         * internal-fn.c (expand_arith_overflow_result_store): Take a
2681         scalar_int_mode rather than a machine_mode.
2682         (expand_mul_overflow): Use scalar_int_mode for local variables.
2683         * loop-doloop.c (doloop_modify): Likewise.
2684         (doloop_optimize): Likewise.
2685         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
2686         than a machine_mode.
2687         (expand_doubleword_shift_condmove): Likewise.
2688         (expand_doubleword_shift): Likewise.
2689         (expand_doubleword_clz): Likewise.
2690         (expand_doubleword_popcount): Likewise.
2691         (expand_doubleword_parity): Likewise.
2692         (expand_absneg_bit): Use scalar_int_mode for local variables.
2693         (prepare_float_lib_cmp): Likewise.
2694         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
2695         rather than a machine_mode.
2696         (convert_memory_address_addr_space): Likewise.
2697         (get_mode_bounds): Likewise.
2698         (get_address_mode): Return a scalar_int_mode rather than a
2699         machine_mode.
2700         * rtlanal.c (get_address_mode): Likewise.
2701         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
2702         than a machine_mode.
2703         * targhooks.c (default_mode_rep_extended): Likewise.
2704         (default_valid_pointer_mode): Likewise.
2705         (default_addr_space_valid_pointer_mode): Likewise.
2706         (default_eh_return_filter_mode): Return a scalar_int_mode rather
2707         than a machine_mode.
2708         (default_libgcc_cmp_return_mode): Likewise.
2709         (default_libgcc_shift_count_mode): Likewise.
2710         (default_unwind_word_mode): Likewise.
2711         (default_addr_space_pointer_mode): Likewise.
2712         (default_addr_space_address_mode): Likewise.
2713         * targhooks.h (default_eh_return_filter_mode): Likewise.
2714         (default_libgcc_cmp_return_mode): Likewise.
2715         (default_libgcc_shift_count_mode): Likewise.
2716         (default_unwind_word_mode): Likewise.
2717         (default_addr_space_pointer_mode): Likewise.
2718         (default_addr_space_address_mode): Likewise.
2719         (default_mode_rep_extended): Take a scalar_int_mode rather than
2720         a machine_mode.
2721         (default_valid_pointer_mode): Likewise.
2722         (default_addr_space_valid_pointer_mode): Likewise.
2723         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
2724         local variables.
2725         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
2726         rather than a machine_mode.
2727         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
2728         for local variables.
2729         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2730         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
2731         than a machine_mode.
2732
2733 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2734             Alan Hayward  <alan.hayward@arm.com>
2735             David Sherwood  <david.sherwood@arm.com>
2736
2737         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
2738         the mode argument to scalar_int_mode.
2739         (do_jump_by_parts_zero_rtx): Likewise.
2740         (do_jump_by_parts_equality_rtx): Likewise.
2741         (do_jump_by_parts_greater): Take a mode argument.
2742         (do_jump_by_parts_equality): Likewise.
2743         (do_jump_1): Update calls accordingly.
2744
2745 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2746             Alan Hayward  <alan.hayward@arm.com>
2747             David Sherwood  <david.sherwood@arm.com>
2748
2749         * is-a.h (safe_dyn_cast): New function.
2750         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
2751         (jump_table_for_label): Likewise.
2752         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
2753         instead of an rtx_insn *.
2754         (shorten_branches): Use dyn_cast instead of LABEL_P and
2755         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
2756         rtx_jump_table_data::get_data_mode.
2757         (final_scan_insn): Likewise.
2758
2759 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2760             Alan Hayward  <alan.hayward@arm.com>
2761             David Sherwood  <david.sherwood@arm.com>
2762
2763         * combine.c (try_combine): Use is_a <scalar_int_mode> when
2764         trying to combine a full-register integer set with a subreg
2765         integer set.
2766
2767 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2768             Alan Hayward  <alan.hayward@arm.com>
2769             David Sherwood  <david.sherwood@arm.com>
2770
2771         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
2772         that is always either address_mode or pointer_mode.
2773
2774 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2775             Alan Hayward  <alan.hayward@arm.com>
2776             David Sherwood  <david.sherwood@arm.com>
2777
2778         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
2779         when the two are known to be equal.
2780
2781 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2782             Alan Hayward  <alan.hayward@arm.com>
2783             David Sherwood  <david.sherwood@arm.com>
2784
2785         * simplify-rtx.c (simplify_const_unary_operation): Use
2786         is_a <scalar_int_mode> instead of checking for a nonzero
2787         precision.  Forcibly convert op_mode to a scalar_int_mode
2788         in that case.  More clearly differentiate the operand and
2789         result modes and use the former when deciding what the value
2790         of a count-bits operation should be.  Use is_int_mode instead
2791         of checking for a MODE_INT.  Remove redundant check for whether
2792         this mode has a zero precision.
2793
2794 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2795             Alan Hayward  <alan.hayward@arm.com>
2796             David Sherwood  <david.sherwood@arm.com>
2797
2798         * optabs.c (widen_leading): Change the type of the mode argument
2799         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
2800         (widen_bswap): Likewise.
2801         (expand_parity): Likewise.
2802         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
2803         (expand_ffs): Likewise.
2804         (epand_unop): Check for scalar integer modes before calling the
2805         above routines.
2806
2807 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2808             Alan Hayward  <alan.hayward@arm.com>
2809             David Sherwood  <david.sherwood@arm.com>
2810
2811         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
2812         Expand commentary.
2813         (expand_expr_real_1): Update call accordingly.
2814
2815 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2816             Alan Hayward  <alan.hayward@arm.com>
2817             David Sherwood  <david.sherwood@arm.com>
2818
2819         * expmed.c (store_bit_field_using_insv): Add op0_mode and
2820         value_mode arguments.  Use scalar_int_mode internally.
2821         (store_bit_field_1): Rename the new integer mode from imode
2822         to op0_mode and use it instead of GET_MODE (op0).  Update calls
2823         to store_split_bit_field, store_bit_field_using_insv and
2824         store_fixed_bit_field.
2825         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
2826         Use scalar_int_mode internally.  Use a bit count rather than a mode
2827         when calculating the largest bit size for get_best_mode.
2828         Update calls to store_split_bit_field and store_fixed_bit_field_1.
2829         (store_fixed_bit_field_1): Add mode and value_mode arguments.
2830         Remove assertion that OP0 has a scalar integer mode.
2831         (store_split_bit_field): Add op0_mode and value_mode arguments.
2832         Update calls to extract_fixed_bit_field.
2833         (extract_bit_field_using_extv): Add an op0_mode argument.
2834         Use scalar_int_mode internally.
2835         (extract_bit_field_1): Rename the new integer mode from imode to
2836         op0_mode and use it instead of GET_MODE (op0).  Update calls to
2837         extract_split_bit_field, extract_bit_field_using_extv and
2838         extract_fixed_bit_field.
2839         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
2840         to extract_split_bit_field and extract_fixed_bit_field_1.
2841         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
2842         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
2843         on the target mode.
2844         (extract_split_bit_field): Add an op0_mode argument.  Update call
2845         to extract_fixed_bit_field.
2846
2847 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2848             Alan Hayward  <alan.hayward@arm.com>
2849             David Sherwood  <david.sherwood@arm.com>
2850
2851         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
2852         * explow.c (hard_function_value): Likewise.
2853         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
2854         convert_to_mode call outside the loop.
2855         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
2856         for the mode iterator.  Require the mode specified by max_pieces
2857         to exist.
2858         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
2859         mode iterator.
2860         (copy_blkmode_to_reg): Likewise.
2861         (set_storage_via_setmem): Likewise.
2862         * optabs.c (prepare_cmp_insn): Likewise.
2863         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2864         * stor-layout.c (finish_bitfield_representative): Likewise.
2865
2866 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2867             Alan Hayward  <alan.hayward@arm.com>
2868             David Sherwood  <david.sherwood@arm.com>
2869
2870         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
2871         * expr.c (convert_move): Use them.
2872         (convert_modes): Likewise.
2873         (store_expr_with_bounds): Likewise.
2874
2875 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2876             Alan Hayward  <alan.hayward@arm.com>
2877             David Sherwood  <david.sherwood@arm.com>
2878
2879         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
2880         parameter for the mode of "x".  Remove the "known_x", "known_mode"
2881         and "known_ret" arguments.  Change the type of the mode argument
2882         to scalar_int_mode.
2883         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
2884         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
2885         (reg_num_sign_bit_copies_for_combine): Likewise.
2886         * rtlanal.c (nonzero_bits1): Likewise.
2887         (num_sign_bit_copies1): Likewise.
2888         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
2889         (reg_num_sign_bit_copies_general): Likewise.
2890         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
2891         (reg_nonzero_bits_general): Likewise.
2892
2893 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2894             Alan Hayward  <alan.hayward@arm.com>
2895             David Sherwood  <david.sherwood@arm.com>
2896
2897         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
2898         than in subroutines.  Return 1 for non-integer modes.
2899         (cached_num_sign_bit_copies): Change the type of the mode parameter
2900         to scalar_int_mode.
2901         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
2902         classes.  Handle CONST_INT_P first and then check whether X also
2903         has a scalar integer mode.  Check the same thing for inner registers
2904         of a SUBREG and for values that are being extended or truncated.
2905
2906 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2907             Alan Hayward  <alan.hayward@arm.com>
2908             David Sherwood  <david.sherwood@arm.com>
2909
2910         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
2911         in subroutines.  Return the mode mask for non-integer modes.
2912         (cached_nonzero_bits): Change the type of the mode parameter
2913         to scalar_int_mode.
2914         (nonzero_bits1): Likewise.  Remove early exit for other mode
2915         classes.  Handle CONST_INT_P first and then check whether X
2916         also has a scalar integer mode.
2917
2918 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2919             Alan Hayward  <alan.hayward@arm.com>
2920             David Sherwood  <david.sherwood@arm.com>
2921
2922         * expr.c (widest_int_mode_for_size): Make the comment match the code.
2923         Return a scalar_int_mode and assert that the size is greater than
2924         one byte.
2925         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
2926         (op_by_pieces_d::op_by_pieces_d): Likewise.
2927         (op_by_pieces_d::run): Likewise.
2928         (can_store_by_pieces): Likewise.
2929
2930 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2931             Alan Hayward  <alan.hayward@arm.com>
2932             David Sherwood  <david.sherwood@arm.com>
2933
2934         * combine.c (extract_left_shift): Add a mode argument and update
2935         recursive calls.
2936         (make_compound_operation_int): Change the type of the mode parameter
2937         to scalar_int_mode and update the call to extract_left_shift.
2938
2939 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2940             Alan Hayward  <alan.hayward@arm.com>
2941             David Sherwood  <david.sherwood@arm.com>
2942
2943         * combine.c (simplify_and_const_int): Change the type of the mode
2944         parameter to scalar_int_mode.
2945         (simplify_and_const_int_1): Likewise.  Update recursive call.
2946
2947 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2948             Alan Hayward  <alan.hayward@arm.com>
2949             David Sherwood  <david.sherwood@arm.com>
2950
2951         * combine.c (simplify_compare_const): Check that the mode is a
2952         scalar_int_mode (rather than VOIDmode) before testing its
2953         precision.
2954         (simplify_comparison): Move COMPARISON_P handling out of the
2955         loop and restrict the latter part of the loop to scalar_int_modes.
2956         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
2957         and when considering SUBREG_REGs.  Use is_int_mode instead of
2958         checking GET_MODE_CLASS against MODE_INT.
2959
2960 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2961             Alan Hayward  <alan.hayward@arm.com>
2962             David Sherwood  <david.sherwood@arm.com>
2963
2964         * combine.c (try_widen_shift_mode): Move check for equal modes to...
2965         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
2966         shift_unit_mode and for modes involved in scalar shifts.
2967
2968 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2969             Alan Hayward  <alan.hayward@arm.com>
2970             David Sherwood  <david.sherwood@arm.com>
2971
2972         * combine.c (force_int_to_mode): New function, split out from...
2973         (force_to_mode): ...here.  Keep xmode up-to-date and use it
2974         instead of GET_MODE (x).
2975
2976 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2977             Alan Hayward  <alan.hayward@arm.com>
2978             David Sherwood  <david.sherwood@arm.com>
2979
2980         * optabs-query.h (extraction_insn::struct_mode): Change type to
2981         opt_scalar_int_mode and update comment.
2982         (extraction_insn::field_mode): Change type to scalar_int_mode.
2983         (extraction_insn::pos_mode): Likewise.
2984         * combine.c (make_extraction): Update accordingly.
2985         * optabs-query.c (get_traditional_extraction_insn): Likewise.
2986         (get_optab_extraction_insn): Likewise.
2987         * recog.c (simplify_while_replacing): Likewise.
2988         * expmed.c (narrow_bit_field_mem): Change the type of the mode
2989         parameter to opt_scalar_int_mode.
2990
2991 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2992             Alan Hayward  <alan.hayward@arm.com>
2993             David Sherwood  <david.sherwood@arm.com>
2994
2995         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
2996         to a scalar_int_mode instead of a machine_mode.
2997         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
2998         (get_best_mode): Return a boolean and use a pointer argument to store
2999         the selected mode.  Replace the limit mode parameter with a bit limit.
3000         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
3001         for the values returned by bit_field_mode_iterator::next_mode.
3002         (store_bit_field): Update call to get_best_mode.
3003         (store_fixed_bit_field): Likewise.
3004         (extract_fixed_bit_field): Likewise.
3005         * expr.c (optimize_bitfield_assignment_op): Likewise.
3006         * fold-const.c (optimize_bit_field_compare): Likewise.
3007         (fold_truth_andor_1): Likewise.
3008         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
3009         Update for new type of m_mode.
3010         (get_best_mode): As above.
3011
3012 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3013             Alan Hayward  <alan.hayward@arm.com>
3014             David Sherwood  <david.sherwood@arm.com>
3015
3016         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
3017         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
3018         (store_bit_field): Check is_a <scalar_int_mode> before calling
3019         strict_volatile_bitfield_p.
3020         (extract_bit_field): Likewise.
3021
3022 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3023             Alan Hayward  <alan.hayward@arm.com>
3024             David Sherwood  <david.sherwood@arm.com>
3025
3026         * target.def (cstore_mode): Return a scalar_int_mode.
3027         * doc/tm.texi: Regenerate.
3028         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
3029         * targhooks.h (default_cstore_mode): Likewise.
3030         * targhooks.c (default_cstore_mode): Likewise, using a forced
3031         conversion.
3032         * expmed.c (emit_cstore): Expect the target of the cstore to be
3033         a scalar_int_mode.
3034
3035 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3036             Alan Hayward  <alan.hayward@arm.com>
3037             David Sherwood  <david.sherwood@arm.com>
3038
3039         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
3040         scalar_int_mode.
3041         (niter_desc): Likewise mode.
3042         (iv_analyze): Add a mode parameter.
3043         (biv_p): Likewise.
3044         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
3045         and change its type to scalar_int_mode.
3046         * loop-iv.c: Update commentary at head of file.
3047         (iv_constant): Pass the mode paraeter before the rtx it describes
3048         and change its type to scalar_int_mode.  Remove VOIDmode handling.
3049         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
3050         (iv_extend): Likewise.
3051         (shorten_into_mode): Likewise.
3052         (iv_add): Use scalar_int_mode.
3053         (iv_mult): Likewise.
3054         (iv_shift): Likewise.
3055         (canonicalize_iv_subregs): Likewise.
3056         (get_biv_step_1): Pass the outer_mode parameter before the rtx
3057         it describes and change its mode to scalar_int_mode.   Also change
3058         the type of the returned inner_mode to scalar_int_mode.
3059         (get_biv_step): Likewise, turning outer_mode from a pointer
3060         into a direct parameter.  Update call to get_biv_step_1.
3061         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
3062         iv_constant and get_biv_step.
3063         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
3064         and change its type to scalar_int_mode.  Don't initialise iv->mode
3065         to VOIDmode and remove later checks for its still being VOIDmode.
3066         Update calls to iv_analyze_op and iv_analyze_expr.  Check
3067         is_a <scalar_int_mode> when changing the mode under consideration.
3068         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
3069         Update call to iv_analyze_expr.
3070         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
3071         inner register is not also a scalar_int_mode.  Update call to
3072         iv_analyze_biv.
3073         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
3074         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
3075         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
3076         separate mode class checks.  Update calls to iv_analyze.  Remove
3077         fix-up of VOIDmodes after iv_analyze_biv.
3078         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
3079         don't have a scalar_int_mode.  Update call to biv_p.
3080
3081 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3082             Alan Hayward  <alan.hayward@arm.com>
3083             David Sherwood  <david.sherwood@arm.com>
3084
3085         * cfgexpand.c (convert_debug_memory_address): Use
3086         as_a <scalar_int_mode>.
3087         * combine.c (expand_compound_operation): Likewise.
3088         (make_extraction): Likewise.
3089         (change_zero_ext): Likewise.
3090         (simplify_comparison): Likewise.
3091         * cse.c (cse_insn): Likewise.
3092         * dwarf2out.c (minmax_loc_descriptor): Likewise.
3093         (mem_loc_descriptor): Likewise.
3094         (loc_descriptor): Likewise.
3095         * expmed.c (init_expmed_one_mode): Likewise.
3096         (synth_mult): Likewise.
3097         (emit_store_flag_1): Likewise.
3098         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
3099         of a comparison with size.
3100         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
3101         (reduce_to_bit_field_precision): Likewise.
3102         * function.c (expand_function_end): Likewise.
3103         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
3104         * loop-doloop.c (doloop_modify): Likewise.
3105         * optabs.c (expand_binop): Likewise.
3106         (expand_unop): Likewise.
3107         (expand_copysign_absneg): Likewise.
3108         (prepare_cmp_insn): Likewise.
3109         (maybe_legitimize_operand): Likewise.
3110         * recog.c (const_scalar_int_operand): Likewise.
3111         * rtlanal.c (get_address_mode): Likewise.
3112         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3113         (simplify_cond_clz_ctz): Likewise.
3114         * tree-nested.c (get_nl_goto_field): Likewise.
3115         * tree.c (build_vector_type_for_mode): Likewise.
3116         * var-tracking.c (use_narrower_mode): Likewise.
3117
3118 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3119             Alan Hayward  <alan.hayward@arm.com>
3120             David Sherwood  <david.sherwood@arm.com>
3121
3122         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
3123         * builtins.c (expand_builtin_signbit): Use it.
3124         * cfgexpand.c (expand_debug_expr): Likewise.
3125         * dojump.c (do_jump): Likewise.
3126         (do_compare_and_jump): Likewise.
3127         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
3128         * expmed.c (make_tree): Likewise.
3129         * expr.c (expand_expr_real_2): Likewise.
3130         (expand_expr_real_1): Likewise.
3131         (try_casesi): Likewise.
3132         * fold-const-call.c (fold_const_call_ss): Likewise.
3133         * fold-const.c (unextend): Likewise.
3134         (extract_muldiv_1): Likewise.
3135         (fold_single_bit_test): Likewise.
3136         (native_encode_int): Likewise.
3137         (native_encode_string): Likewise.
3138         (native_interpret_int): Likewise.
3139         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
3140         * internal-fn.c (expand_addsub_overflow): Likewise.
3141         (expand_neg_overflow): Likewise.
3142         (expand_mul_overflow): Likewise.
3143         (expand_arith_overflow): Likewise.
3144         * match.pd: Likewise.
3145         * stor-layout.c (layout_type): Likewise.
3146         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
3147         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
3148         * tree-ssanames.c (get_range_info): Likewise.
3149         * tree-switch-conversion.c (array_value_type) Likewise.
3150         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
3151         (vect_recog_divmod_pattern): Likewise.
3152         (vect_recog_mixed_size_cond_pattern): Likewise.
3153         * tree-vrp.c (extract_range_basic): Likewise.
3154         (simplify_float_conversion_using_ranges): Likewise.
3155         * tree.c (int_fits_type_p): Likewise.
3156         * ubsan.c (instrument_bool_enum_load): Likewise.
3157         * varasm.c (mergeable_string_section): Likewise.
3158         (narrowing_initializer_constant_valid_p): Likewise.
3159         (output_constant): Likewise.
3160
3161 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3162             Alan Hayward  <alan.hayward@arm.com>
3163             David Sherwood  <david.sherwood@arm.com>
3164
3165         * machmode.h (NARROWEST_INT_MODE): New macro.
3166         * expr.c (alignment_for_piecewise_move): Use it instead of
3167         GET_CLASS_NARROWEST_MODE (MODE_INT).
3168         (push_block): Likewise.
3169         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
3170         Likewise.
3171         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3172
3173 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3174             Alan Hayward  <alan.hayward@arm.com>
3175             David Sherwood  <david.sherwood@arm.com>
3176
3177         * postreload.c (move2add_valid_value_p): Change the type of the
3178         mode parameter to scalar_int_mode.
3179         (move2add_use_add2_insn): Add a mode parameter and use it instead
3180         of GET_MODE (reg).
3181         (move2add_use_add3_insn): Likewise.
3182         (reload_cse_move2add): Update accordingly.
3183
3184 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3185             Alan Hayward  <alan.hayward@arm.com>
3186             David Sherwood  <david.sherwood@arm.com>
3187
3188         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
3189         double-word mode.
3190         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
3191         * optabs.c (expand_unop): Likewise.
3192
3193 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3194             Alan Hayward  <alan.hayward@arm.com>
3195             David Sherwood  <david.sherwood@arm.com>
3196
3197         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
3198         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
3199         (popcount_loc_descriptor): Likewise.
3200         (bswap_loc_descriptor): Likewise.
3201         (rotate_loc_descriptor): Likewise.
3202         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
3203         calling the functions above.
3204
3205 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3206             Alan Hayward  <alan.hayward@arm.com>
3207             David Sherwood  <david.sherwood@arm.com>
3208
3209         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
3210         checks.
3211         (try_combine): Likewise.
3212         (simplify_if_then_else): Likewise.
3213         * cse.c (cse_insn): Likewise.
3214         * dwarf2out.c (mem_loc_descriptor): Likewise.
3215         * emit-rtl.c (gen_lowpart_common): Likewise.
3216         * simplify-rtx.c (simplify_truncation): Likewise.
3217         (simplify_binary_operation_1): Likewise.
3218         (simplify_const_relational_operation): Likewise.
3219         (simplify_ternary_operation): Likewise.
3220         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3221
3222 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3223             Alan Hayward  <alan.hayward@arm.com>
3224             David Sherwood  <david.sherwood@arm.com>
3225
3226         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
3227         * reload.c (push_reload): Likewise.
3228         (find_reloads): Likewise.
3229
3230 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3231             Alan Hayward  <alan.hayward@arm.com>
3232             David Sherwood  <david.sherwood@arm.com>
3233
3234         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
3235         (make_compound_operation_int): Likewise.
3236         (change_zero_ext): Likewise.
3237         * expr.c (convert_move): Likewise.
3238         (convert_modes): Likewise.
3239         * fwprop.c (forward_propagate_subreg): Likewise.
3240         * loop-iv.c (get_biv_step_1): Likewise.
3241         * optabs.c (widen_operand): Likewise.
3242         * postreload.c (move2add_valid_value_p): Likewise.
3243         * recog.c (simplify_while_replacing): Likewise.
3244         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3245         (simplify_binary_operation_1): Likewise.  Remove redundant
3246         mode equality check.
3247
3248 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3249             Alan Hayward  <alan.hayward@arm.com>
3250             David Sherwood  <david.sherwood@arm.com>
3251
3252         * combine.c (combine_simplify_rtx): Add checks for
3253         is_a <scalar_int_mode>.
3254         (simplify_if_then_else): Likewise.
3255         (make_field_assignment): Likewise.
3256         (simplify_comparison): Likewise.
3257         * ifcvt.c (noce_try_bitop): Likewise.
3258         * loop-invariant.c (canonicalize_address_mult): Likewise.
3259         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3260
3261 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3262             Alan Hayward  <alan.hayward@arm.com>
3263             David Sherwood  <david.sherwood@arm.com>
3264
3265         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
3266         is_a <scalar_int_mode> instead of != BLKmode.
3267
3268 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3269             Alan Hayward  <alan.hayward@arm.com>
3270             David Sherwood  <david.sherwood@arm.com>
3271
3272         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
3273         instead of != VOIDmode.
3274         * combine.c (if_then_else_cond): Likewise.
3275         (change_zero_ext): Likewise.
3276         * dwarf2out.c (mem_loc_descriptor): Likewise.
3277         (loc_descriptor): Likewise.
3278         * rtlanal.c (canonicalize_condition): Likewise.
3279         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
3280
3281 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3282             Alan Hayward  <alan.hayward@arm.com>
3283             David Sherwood  <david.sherwood@arm.com>
3284
3285         * simplify-rtx.c (simplify_binary_operation_1): Use
3286         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
3287
3288 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3289             Alan Hayward  <alan.hayward@arm.com>
3290             David Sherwood  <david.sherwood@arm.com>
3291
3292         * wide-int.h (int_traits<unsigned char>) New class.
3293         (int_traits<unsigned short>) Likewise.
3294         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
3295         Use GET_MODE_UNIT_PRECISION and remove redundant test for
3296         SCALAR_INT_MODE_P.
3297         * combine.c (set_nonzero_bits_and_sign_copies): Use
3298         is_a <scalar_int_mode>.
3299         (find_split_point): Likewise.
3300         (combine_simplify_rtx): Likewise.
3301         (simplify_logical): Likewise.
3302         (expand_compound_operation): Likewise.
3303         (expand_field_assignment): Likewise.
3304         (make_compound_operation): Likewise.
3305         (extended_count): Likewise.
3306         (change_zero_ext): Likewise.
3307         (simplify_comparison): Likewise.
3308         * dwarf2out.c (scompare_loc_descriptor): Likewise.
3309         (ucompare_loc_descriptor): Likewise.
3310         (minmax_loc_descriptor): Likewise.
3311         (mem_loc_descriptor): Likewise.
3312         (loc_descriptor): Likewise.
3313         * expmed.c (init_expmed_one_mode): Likewise.
3314         * lra-constraints.c (lra_constraint_offset): Likewise.
3315         * optabs.c (prepare_libcall_arg): Likewise.
3316         * postreload.c (move2add_note_store): Likewise.
3317         * reload.c (operands_match_p): Likewise.
3318         * rtl.h (load_extend_op): Likewise.
3319         * rtlhooks.c (gen_lowpart_general): Likewise.
3320         * simplify-rtx.c (simplify_truncation): Likewise.
3321         (simplify_unary_operation_1): Likewise.
3322         (simplify_binary_operation_1): Likewise.
3323         (simplify_const_binary_operation): Likewise.
3324         (simplify_const_relational_operation): Likewise.
3325         (simplify_subreg): Likewise.
3326         * stor-layout.c (bitwise_mode_for_mode): Likewise.
3327         * var-tracking.c (adjust_mems): Likewise.
3328         (prepare_call_arguments): Likewise.
3329
3330 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3331             Alan Hayward  <alan.hayward@arm.com>
3332             David Sherwood  <david.sherwood@arm.com>
3333
3334         * machmode.h (is_int_mode): New fuction.
3335         * combine.c (find_split_point): Use it.
3336         (combine_simplify_rtx): Likewise.
3337         (simplify_if_then_else): Likewise.
3338         (simplify_set): Likewise.
3339         (simplify_shift_const_1): Likewise.
3340         (simplify_comparison): Likewise.
3341         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
3342         * cse.c (notreg_cost): Likewise.
3343         (cse_insn): Likewise.
3344         * cselib.c (cselib_lookup_1): Likewise.
3345         * dojump.c (do_jump_1): Likewise.
3346         (do_compare_rtx_and_jump): Likewise.
3347         * dse.c (get_call_args): Likewise.
3348         * dwarf2out.c (rtl_for_decl_init): Likewise.
3349         (native_encode_initializer): Likewise.
3350         * expmed.c (emit_store_flag_1): Likewise.
3351         (emit_store_flag): Likewise.
3352         * expr.c (convert_modes): Likewise.
3353         (store_field): Likewise.
3354         (expand_expr_real_1): Likewise.
3355         * fold-const.c (fold_read_from_constant_string): Likewise.
3356         * gimple-ssa-sprintf.c (get_format_string): Likewise.
3357         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
3358         * optabs.c (expand_binop): Likewise.
3359         (expand_unop): Likewise.
3360         (expand_abs_nojump): Likewise.
3361         (expand_one_cmpl_abs_nojump): Likewise.
3362         * simplify-rtx.c (mode_signbit_p): Likewise.
3363         (val_signbit_p): Likewise.
3364         (val_signbit_known_set_p): Likewise.
3365         (val_signbit_known_clear_p): Likewise.
3366         (simplify_relational_operation_1): Likewise.
3367         * tree.c (vector_type_mode): Likewise.
3368
3369 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3370             Alan Hayward  <alan.hayward@arm.com>
3371             David Sherwood  <david.sherwood@arm.com>
3372
3373         * machmode.h (smallest_mode_for_size): Fix formatting.
3374         (smallest_int_mode_for_size): New function.
3375         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
3376         instead of smallest_mode_for_size.
3377         * combine.c (make_extraction): Likewise.
3378         * config/arc/arc.c (arc_expand_movmem): Likewise.
3379         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
3380         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
3381         * config/s390/s390.c (s390_expand_insv): Likewise.
3382         * config/sparc/sparc.c (assign_int_registers): Likewise.
3383         * config/spu/spu.c (spu_function_value): Likewise.
3384         (spu_function_arg): Likewise.
3385         * coverage.c (get_gcov_type): Likewise.
3386         (get_gcov_unsigned_t): Likewise.
3387         * dse.c (find_shift_sequence): Likewise.
3388         * expmed.c (store_bit_field_1): Likewise.
3389         * expr.c (convert_move): Likewise.
3390         (store_field): Likewise.
3391         * internal-fn.c (expand_arith_overflow): Likewise.
3392         * optabs-query.c (get_best_extraction_insn): Likewise.
3393         * optabs.c (expand_twoval_binop_libfunc): Likewise.
3394         * stor-layout.c (layout_type): Likewise.
3395         (initialize_sizetypes): Likewise.
3396         * targhooks.c (default_get_mask_mode): Likewise.
3397         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
3398
3399 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3400             Alan Hayward  <alan.hayward@arm.com>
3401             David Sherwood  <david.sherwood@arm.com>
3402
3403         * machmode.h (opt_mode::else_blk): New function.
3404         (int_mode_for_mode): Declare.
3405         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
3406         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
3407         return type.
3408         * cfgexpand.c (expand_debug_expr): Likewise.
3409         * combine.c (gen_lowpart_or_truncate): Likewise.
3410         (gen_lowpart_for_combine): Likewise.
3411         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
3412         * config/avr/avr.c (avr_to_int_mode): Likewise.
3413         (avr_out_plus_1): Likewise.
3414         (avr_out_plus): Likewise.
3415         (avr_out_round): Likewise.
3416         * config/i386/i386.c (ix86_split_to_parts): Likewise.
3417         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
3418         (s390_expand_vcond): Likewise.
3419         * config/spu/spu.c (spu_split_immediate): Likewise.
3420         (spu_expand_mov): Likewise.
3421         * dse.c (get_stored_val): Likewise.
3422         * expmed.c (store_bit_field_1): Likewise.
3423         (convert_extracted_bit_field): Use int_mode_for_mode instead of
3424         int_mode_for_size.
3425         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
3426         (extract_low_bits): Likewise.
3427         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
3428         handling rather than repeating the check.
3429         (emit_group_store): Likewise.
3430         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
3431         * optabs.c (expand_absneg_bit): Likewise.
3432         (expand_copysign_absneg): Likewise.
3433         (expand_copysign_bit): Likewise.
3434         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
3435         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
3436         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
3437         * var-tracking.c (prepare_call_arguments):  Likewise.
3438         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
3439         int_mode_for_mode instead of mode_for_size.
3440         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
3441
3442 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3443             Alan Hayward  <alan.hayward@arm.com>
3444             David Sherwood  <david.sherwood@arm.com>
3445
3446         * machmode.h (int_mode_for_size): New function.
3447         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
3448         instead of mode_for_size.
3449         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
3450         explicit.
3451         * combine.c (expand_field_assignment): Use int_mode_for_size
3452         instead of mode_for_size.
3453         (make_extraction): Likewise.
3454         (simplify_shift_const_1): Likewise.
3455         (simplify_comparison): Likewise.
3456         * dojump.c (do_jump): Likewise.
3457         * dwarf2out.c (mem_loc_descriptor): Likewise.
3458         * emit-rtl.c (init_derived_machine_modes): Likewise.
3459         * expmed.c (flip_storage_order): Likewise.
3460         (convert_extracted_bit_field): Likewise.
3461         * expr.c (copy_blkmode_from_reg): Likewise.
3462         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
3463         * internal-fn.c (expand_mul_overflow): Likewise.
3464         * lower-subreg.c (simple_move): Likewise.
3465         * optabs-libfuncs.c (init_optabs): Likewise.
3466         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3467         * tree.c (vector_type_mode): Likewise.
3468         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
3469         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
3470         * tree-vect-generic.c (expand_vector_parallel): Likewise.
3471         * tree-vect-stmts.c (vectorizable_load): Likewise.
3472         (vectorizable_store): Likewise.
3473
3474 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3475             Alan Hayward  <alan.hayward@arm.com>
3476             David Sherwood  <david.sherwood@arm.com>
3477
3478         * coretypes.h (pod_mode): New type.
3479         (scalar_int_mode_pod): New typedef.
3480         * machmode.h (pod_mode): New class.
3481         (int_n_data_t::m): Change type to scalar_int_mode_pod.
3482         * genmodes.c (emit_mode_int_n): Update accordingly.
3483         * lower-subreg.h (target_lower_subreg): Change type to
3484         scalar_int_mode_pod.
3485         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
3486         scalar_int_mode_pod.
3487
3488 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3489             Alan Hayward  <alan.hayward@arm.com>
3490             David Sherwood  <david.sherwood@arm.com>
3491
3492         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
3493         machine_mode to scalar_int_mode.
3494         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
3495         (rs6000_option_override_internal): Remove cast to int.
3496         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
3497         machine_mode to scalar_int_mode.
3498         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
3499         (rs6000_option_override_internal): Remove cast to int.
3500         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
3501         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
3502         to machine_mode.
3503         * config/s390/s390.c (s390_expand_builtin): Likewise.
3504         * coretypes.h (scalar_int_mode): New type.
3505         (opt_scalar_int_mode): New typedef.
3506         * machmode.h (scalar_int_mode): New class.
3507         (scalar_int_mode::includes_p): New function.
3508         (byte_mode): Change type to scalar_int_mode.
3509         (word_mode): Likewise.
3510         (ptr_mode): Likewise.
3511         * emit-rtl.c (byte_mode): Likewise.
3512         (word_mode): Likewise.
3513         (ptr_mode): Likewise.
3514         (init_derived_machine_modes): Update accordingly.
3515         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
3516         and MODE_PARTIAL_INT.
3517         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
3518         opt_scalar_int_mode.
3519
3520 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3521             Alan Hayward  <alan.hayward@arm.com>
3522             David Sherwood  <david.sherwood@arm.com>
3523
3524         * target.def (libgcc_floating_mode_supported_p): Take a
3525         scalar_float_mode.
3526         * doc/tm.texi: Regenerate.
3527         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
3528         scalar_float_mode.
3529         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
3530         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
3531         Likewise.
3532
3533 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3534             Alan Hayward  <alan.hayward@arm.com>
3535             David Sherwood  <david.sherwood@arm.com>
3536
3537         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
3538         * doc/tm.texi: Regenerate.
3539         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
3540         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
3541         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
3542         * targhooks.h (default_floatn_mode): Likewise.
3543         * targhooks.c (default_floatn_mode): Likewise.
3544         * tree.c (build_common_tree_nodes): Update accordingly.
3545
3546 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3547             Alan Hayward  <alan.hayward@arm.com>
3548             David Sherwood  <david.sherwood@arm.com>
3549
3550         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
3551         (mode_iterator::iterate_p): Likewise.
3552         (mode_iterator::get_wider): Likewise.
3553         * expr.c (init_expr_target): Use opt_scalar_float_mode.
3554
3555 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3556             Alan Hayward  <alan.hayward@arm.com>
3557             David Sherwood  <david.sherwood@arm.com>
3558
3559         * coretypes.h (opt_scalar_float_mode): New typedef.
3560         * machmode.h (float_mode_for_size): New function.
3561         * emit-rtl.c (double_mode): Delete.
3562         (init_emit_once): Use float_mode_for_size.
3563         * stor-layout.c (layout_type): Likewise.
3564         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
3565
3566 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3567             Alan Hayward  <alan.hayward@arm.com>
3568             David Sherwood  <david.sherwood@arm.com>
3569
3570         * output.h (assemble_real): Take a scalar_float_mode.
3571         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
3572         * config/arm/arm.md (consttable_4): Likewise.
3573         (consttable_8): Likewise.
3574         (consttable_16): Likewise.
3575         * config/mips/mips.md (consttable_float): Likewise.
3576         * config/s390/s390.c (s390_output_pool_entry): Likewise.
3577         * varasm.c (assemble_real): Take a scalar_float_mode.
3578         (output_constant_pool_2): Update accordingly.
3579         (output_constant): Likewise.
3580
3581 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3582             Alan Hayward  <alan.hayward@arm.com>
3583             David Sherwood  <david.sherwood@arm.com>
3584
3585         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
3586         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
3587         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
3588         (native_encode_real): Likewise.
3589         (native_interpret_real): Likewise.
3590         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
3591         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3592
3593 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3594             Alan Hayward  <alan.hayward@arm.com>
3595             David Sherwood  <david.sherwood@arm.com>
3596
3597         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
3598         <scalar_float_mode>.  Simplify.
3599         (gen_extend_conv_libfunc): Likewise.
3600
3601 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3602             Alan Hayward  <alan.hayward@arm.com>
3603             David Sherwood  <david.sherwood@arm.com>
3604
3605         * coretypes.h (scalar_float_mode): New type.
3606         * machmode.h (mode_traits::from_int): Use machine_mode if
3607         USE_ENUM_MODES is defined.
3608         (is_a): New function.
3609         (as_a): Likewise.
3610         (dyn_cast): Likewise.
3611         (scalar_float_mode): New class.
3612         (scalar_float_mode::includes_p): New function.
3613         (is_float_mode): Likewise.
3614         * gdbhooks.py (MachineModePrinter): New class.
3615         (build_pretty_printer): Use it for scalar_float_mode.
3616         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
3617         (format_helper::format_helper): Turn into a template.
3618         * genmodes.c (get_mode_class): New function.
3619         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
3620         or machine_mode if none.
3621         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
3622         as_a <scalar_float_mode>.
3623         * dwarf2out.c (mem_loc_descriptor): Likewise.
3624         (insert_float): Likewise.
3625         (add_const_value_attribute): Likewise.
3626         * simplify-rtx.c (simplify_immed_subreg): Likewise.
3627         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
3628         (expand_unop): Update accordingly.
3629         (expand_abs_nojump): Likewise.
3630         (expand_copysign_absneg): Take a scalar_float_mode.
3631         (expand_copysign_bit): Likewise.
3632         (expand_copysign): Update accordingly.
3633
3634 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3635             Alan Hayward  <alan.hayward@arm.com>
3636             David Sherwood  <david.sherwood@arm.com>
3637
3638         * coretypes.h (opt_mode): New class.
3639         * machmode.h (opt_mode): Likewise.
3640         (opt_mode::else_void): New function.
3641         (opt_mode::require): Likewise.
3642         (opt_mode::exists): Likewise.
3643         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
3644         (GET_MODE_2XWIDER_MODE): Likewise.
3645         (mode_iterator::get_wider): Update accordingly.
3646         (mode_iterator::get_2xwider): Likewise.
3647         (mode_iterator::get_known_wider): Likewise, turning into a template.
3648         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
3649         forcing a wider mode to exist.
3650         * config/cr16/cr16.h (LONG_REG_P): Likewise.
3651         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3652         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
3653         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
3654         * lower-subreg.c (init_lower_subreg): Likewise.
3655         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
3656         on the final iteration.
3657         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
3658         a wider mode exists before asking for a move pattern.
3659         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
3660         forcing a wider mode to exist.
3661         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
3662         returning false if no such mode exists.
3663         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
3664         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
3665         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
3666         Avoid checking for a MODE_INT if we already know the mode is not a
3667         SCALAR_INT_MODE_P.
3668         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
3669         forcing a wider mode to exist.
3670         (expmed_mult_highpart_optab): Likewise.
3671         (expmed_mult_highpart): Likewise.
3672         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
3673         using else_void.
3674         * lto-streamer-in.c (lto_input_mode_table): Likewise.
3675         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
3676         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
3677         * internal-fn.c (expand_mul_overflow): Update use of
3678         GET_MODE_2XWIDER_MODE.
3679         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3680         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
3681         GET_MODE_WIDER_MODE.
3682         (convert_plusminus_to_widen): Likewise.
3683         * tree-switch-conversion.c (array_value_type): Likewise.
3684         * var-tracking.c (emit_note_insn_var_location): Likewise.
3685         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3686         Return false inside rather than outside the loop if no wider mode
3687         exists
3688         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
3689         and GET_MODE_2XWIDER_MODE
3690         (can_compare_p): Use else_void.
3691         * gdbhooks.py (OptMachineModePrinter): New class.
3692         (build_pretty_printer): Use it for opt_mode.
3693
3694 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3695             Alan Hayward  <alan.hayward@arm.com>
3696             David Sherwood  <david.sherwood@arm.com>
3697
3698         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
3699         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
3700
3701 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3702             Alan Hayward  <alan.hayward@arm.com>
3703             David Sherwood  <david.sherwood@arm.com>
3704
3705         * machmode.h (mode_traits): New structure.
3706         (get_narrowest_mode): New function.
3707         (mode_iterator::start): Likewise.
3708         (mode_iterator::iterate_p): Likewise.
3709         (mode_iterator::get_wider): Likewise.
3710         (mode_iterator::get_known_wider): Likewise.
3711         (mode_iterator::get_2xwider): Likewise.
3712         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
3713         (FOR_EACH_MODE): Likewise.
3714         (FOR_EACH_MODE_FROM): Likewise.
3715         (FOR_EACH_MODE_UNTIL): Likewise.
3716         (FOR_EACH_WIDER_MODE): Likewise.
3717         (FOR_EACH_2XWIDER_MODE): Likewise.
3718         * builtins.c (expand_builtin_strlen): Use new mode iterators.
3719         * combine.c (simplify_comparison): Likewise
3720         * config/i386/i386.c (type_natural_mode): Likewise.
3721         * cse.c (cse_insn): Likewise.
3722         * dse.c (find_shift_sequence): Likewise.
3723         * emit-rtl.c (init_derived_machine_modes): Likewise.
3724         (init_emit_once): Likewise.
3725         * explow.c (hard_function_value): Likewise.
3726         * expmed.c (extract_fixed_bit_field_1): Likewise.
3727         (extract_bit_field_1): Likewise.
3728         (expand_divmod): Likewise.
3729         (emit_store_flag_1): Likewise.
3730         * expr.c (init_expr_target): Likewise.
3731         (convert_move): Likewise.
3732         (alignment_for_piecewise_move): Likewise.
3733         (widest_int_mode_for_size): Likewise.
3734         (emit_block_move_via_movmem): Likewise.
3735         (copy_blkmode_to_reg): Likewise.
3736         (set_storage_via_setmem): Likewise.
3737         (compress_float_constant): Likewise.
3738         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3739         * optabs-query.c (get_best_extraction_insn): Likewise.
3740         * optabs.c (expand_binop): Likewise.
3741         (expand_twoval_unop): Likewise.
3742         (expand_twoval_binop): Likewise.
3743         (widen_leading): Likewise.
3744         (widen_bswap): Likewise.
3745         (expand_parity): Likewise.
3746         (expand_unop): Likewise.
3747         (prepare_cmp_insn): Likewise.
3748         (prepare_float_lib_cmp): Likewise.
3749         (expand_float): Likewise.
3750         (expand_fix): Likewise.
3751         (expand_sfix_optab): Likewise.
3752         * postreload.c (move2add_use_add2_insn): Likewise.
3753         * reg-stack.c (reg_to_stack): Likewise.
3754         * reginfo.c (choose_hard_reg_mode): Likewise.
3755         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3756         * stor-layout.c (mode_for_size): Likewise.
3757         (smallest_mode_for_size): Likewise.
3758         (mode_for_vector): Likewise.
3759         (finish_bitfield_representative): Likewise.
3760         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
3761         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3762         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3763         * var-tracking.c (prepare_call_arguments): Likewise.
3764
3765 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3766             Alan Hayward  <alan.hayward@arm.com>
3767             David Sherwood  <david.sherwood@arm.com>
3768
3769         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
3770         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
3771         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
3772         * machmode.h (mode_size): Move earlier in file.
3773         (mode_precision): Likewise.
3774         (mode_inner): Likewise.
3775         (mode_nunits): Likewise.
3776         (mode_unit_size): Likewise.
3777         (unit_unit_precision): Likewise.
3778         (mode_wider): Likewise.
3779         (mode_2xwider): Likewise.
3780         (machine_mode): New class.
3781         (mode_to_bytes): New function.
3782         (mode_to_bits): Likewise.
3783         (mode_to_precision): Likewise.
3784         (mode_to_inner): Likewise.
3785         (mode_to_unit_size): Likewise.
3786         (mode_to_unit_precision): Likewise.
3787         (mode_to_nunits): Likewise.
3788         (GET_MODE_SIZE): Use mode_to_bytes.
3789         (GET_MODE_BITSIZE): Use mode_to_bits.
3790         (GET_MODE_PRECISION): Use mode_to_precision.
3791         (GET_MODE_INNER): Use mode_to_inner.
3792         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
3793         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
3794         (GET_MODE_NUNITS): Use mode_to_nunits.
3795         * system.h (ALWAYS_INLINE): New macro.
3796         * config/powerpcspe/powerpcspe-c.c
3797         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
3798         int for arg1_mode and arg2_mode.
3799
3800 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3801             Alan Hayward  <alan.hayward@arm.com>
3802             David Sherwood  <david.sherwood@arm.com>
3803
3804         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
3805         Prefix mode names with E_ in case statements.
3806         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3807         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
3808         (aarch64_split_simd_move): Likewise.
3809         (aarch64_gen_storewb_pair): Likewise.
3810         (aarch64_gen_loadwb_pair): Likewise.
3811         (aarch64_gen_store_pair): Likewise.
3812         (aarch64_gen_load_pair): Likewise.
3813         (aarch64_get_condition_code_1): Likewise.
3814         (aarch64_constant_pool_reload_icode): Likewise.
3815         (get_rsqrte_type): Likewise.
3816         (get_rsqrts_type): Likewise.
3817         (get_recpe_type): Likewise.
3818         (get_recps_type): Likewise.
3819         (aarch64_gimplify_va_arg_expr): Likewise.
3820         (aarch64_simd_container_mode): Likewise.
3821         (aarch64_emit_load_exclusive): Likewise.
3822         (aarch64_emit_store_exclusive): Likewise.
3823         (aarch64_expand_compare_and_swap): Likewise.
3824         (aarch64_gen_atomic_cas): Likewise.
3825         (aarch64_emit_bic): Likewise.
3826         (aarch64_emit_atomic_swap): Likewise.
3827         (aarch64_emit_atomic_load_op): Likewise.
3828         (aarch64_evpc_trn): Likewise.
3829         (aarch64_evpc_uzp): Likewise.
3830         (aarch64_evpc_zip): Likewise.
3831         (aarch64_evpc_ext): Likewise.
3832         (aarch64_evpc_rev): Likewise.
3833         (aarch64_evpc_dup): Likewise.
3834         (aarch64_gen_ccmp_first): Likewise.
3835         (aarch64_gen_ccmp_next): Likewise.
3836         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
3837         (alpha_emit_xfloating_libcall): Likewise.
3838         (emit_insxl): Likewise.
3839         (alpha_arg_type): Likewise.
3840         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
3841         (arc_preferred_simd_mode): Likewise.
3842         (arc_secondary_reload): Likewise.
3843         (get_arc_condition_code): Likewise.
3844         (arc_print_operand): Likewise.
3845         (arc_legitimate_constant_p): Likewise.
3846         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3847         * config/arc/arc.md (casesi_load): Likewise.
3848         (casesi_compact_jump): Likewise.
3849         * config/arc/predicates.md (proper_comparison_operator): Likewise.
3850         (cc_use_register): Likewise.
3851         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3852         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
3853         (arm_init_iwmmxt_builtins): Likewise.
3854         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3855         (neon_expand_vector_init): Likewise.
3856         (arm_attr_length_move_neon): Likewise.
3857         (maybe_get_arm_condition_code): Likewise.
3858         (arm_emit_vector_const): Likewise.
3859         (arm_preferred_simd_mode): Likewise.
3860         (arm_output_iwmmxt_tinsr): Likewise.
3861         (thumb1_output_casesi): Likewise.
3862         (thumb2_output_casesi): Likewise.
3863         (arm_emit_load_exclusive): Likewise.
3864         (arm_emit_store_exclusive): Likewise.
3865         (arm_expand_compare_and_swap): Likewise.
3866         (arm_evpc_neon_vuzp): Likewise.
3867         (arm_evpc_neon_vzip): Likewise.
3868         (arm_evpc_neon_vrev): Likewise.
3869         (arm_evpc_neon_vtrn): Likewise.
3870         (arm_evpc_neon_vext): Likewise.
3871         (arm_validize_comparison): Likewise.
3872         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
3873         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
3874         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
3875         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
3876         (c6x_preferred_simd_mode): Likewise.
3877         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
3878         (epiphany_rtx_costs): Likewise.
3879         * config/epiphany/predicates.md (proper_comparison_operator):
3880         Likewise.
3881         * config/frv/frv.c (condexec_memory_operand): Likewise.
3882         (frv_emit_move): Likewise.
3883         (output_move_single): Likewise.
3884         (output_condmove_single): Likewise.
3885         (frv_hard_regno_mode_ok): Likewise.
3886         (frv_matching_accg_mode): Likewise.
3887         * config/h8300/h8300.c (split_adds_subs): Likewise.
3888         (h8300_rtx_costs): Likewise.
3889         (h8300_print_operand): Likewise.
3890         (compute_mov_length): Likewise.
3891         (output_logical_op): Likewise.
3892         (compute_logical_op_length): Likewise.
3893         (compute_logical_op_cc): Likewise.
3894         (h8300_shift_needs_scratch_p): Likewise.
3895         (output_a_shift): Likewise.
3896         (compute_a_shift_length): Likewise.
3897         (compute_a_shift_cc): Likewise.
3898         (expand_a_rotate): Likewise.
3899         (output_a_rotate): Likewise.
3900         * config/i386/i386.c (classify_argument): Likewise.
3901         (function_arg_advance_32): Likewise.
3902         (function_arg_32): Likewise.
3903         (function_arg_64): Likewise.
3904         (function_value_64): Likewise.
3905         (ix86_gimplify_va_arg): Likewise.
3906         (ix86_legitimate_constant_p): Likewise.
3907         (put_condition_code): Likewise.
3908         (split_double_mode): Likewise.
3909         (ix86_avx256_split_vector_move_misalign): Likewise.
3910         (ix86_expand_vector_logical_operator): Likewise.
3911         (ix86_split_idivmod): Likewise.
3912         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
3913         (ix86_build_const_vector): Likewise.
3914         (ix86_build_signbit_mask): Likewise.
3915         (ix86_match_ccmode): Likewise.
3916         (ix86_cc_modes_compatible): Likewise.
3917         (ix86_expand_branch): Likewise.
3918         (ix86_expand_sse_cmp): Likewise.
3919         (ix86_expand_sse_movcc): Likewise.
3920         (ix86_expand_int_sse_cmp): Likewise.
3921         (ix86_expand_vec_perm_vpermi2): Likewise.
3922         (ix86_expand_vec_perm): Likewise.
3923         (ix86_expand_sse_unpack): Likewise.
3924         (ix86_expand_int_addcc): Likewise.
3925         (ix86_split_to_parts): Likewise.
3926         (ix86_vectorize_builtin_gather): Likewise.
3927         (ix86_vectorize_builtin_scatter): Likewise.
3928         (avx_vpermilp_parallel): Likewise.
3929         (inline_memory_move_cost): Likewise.
3930         (ix86_tieable_integer_mode_p): Likewise.
3931         (x86_maybe_negate_const_int): Likewise.
3932         (ix86_expand_vector_init_duplicate): Likewise.
3933         (ix86_expand_vector_init_one_nonzero): Likewise.
3934         (ix86_expand_vector_init_one_var): Likewise.
3935         (ix86_expand_vector_init_concat): Likewise.
3936         (ix86_expand_vector_init_interleave): Likewise.
3937         (ix86_expand_vector_init_general): Likewise.
3938         (ix86_expand_vector_set): Likewise.
3939         (ix86_expand_vector_extract): Likewise.
3940         (emit_reduc_half): Likewise.
3941         (ix86_emit_i387_round): Likewise.
3942         (ix86_mangle_type): Likewise.
3943         (ix86_expand_round_sse4): Likewise.
3944         (expand_vec_perm_blend): Likewise.
3945         (canonicalize_vector_int_perm): Likewise.
3946         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
3947         (expand_vec_perm_1): Likewise.
3948         (expand_vec_perm_interleave3): Likewise.
3949         (expand_vec_perm_even_odd_pack): Likewise.
3950         (expand_vec_perm_even_odd_1): Likewise.
3951         (expand_vec_perm_broadcast_1): Likewise.
3952         (ix86_vectorize_vec_perm_const_ok): Likewise.
3953         (ix86_expand_vecop_qihi): Likewise.
3954         (ix86_expand_mul_widen_hilo): Likewise.
3955         (ix86_expand_sse2_abs): Likewise.
3956         (ix86_expand_pextr): Likewise.
3957         (ix86_expand_pinsr): Likewise.
3958         (ix86_preferred_simd_mode): Likewise.
3959         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
3960         * config/i386/sse.md (*andnot<mode>3): Likewise.
3961         (<mask_codefor><code><mode>3<mask_name>): Likewise.
3962         (*<code><mode>3): Likewise.
3963         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
3964         (ia64_expand_atomic_op): Likewise.
3965         (ia64_arg_type): Likewise.
3966         (ia64_mode_to_int): Likewise.
3967         (ia64_scalar_mode_supported_p): Likewise.
3968         (ia64_vector_mode_supported_p): Likewise.
3969         (expand_vec_perm_broadcast): Likewise.
3970         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
3971         (iq2000_function_arg_advance): Likewise.
3972         (iq2000_function_arg): Likewise.
3973         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
3974         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
3975         (m68k_libcall_value): Likewise.
3976         (m68k_function_value): Likewise.
3977         (sched_attr_op_type): Likewise.
3978         * config/mcore/mcore.c (mcore_output_move): Likewise.
3979         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
3980         Likewise.
3981         (microblaze_function_arg): Likewise.
3982         * config/mips/mips.c (mips16_build_call_stub): Likewise.
3983         (mips_print_operand): Likewise.
3984         (mips_mode_ok_for_mov_fmt_p): Likewise.
3985         (mips_vector_mode_supported_p): Likewise.
3986         (mips_preferred_simd_mode): Likewise.
3987         (mips_expand_vpc_loongson_even_odd): Likewise.
3988         (mips_expand_vec_unpack): Likewise.
3989         (mips_expand_vi_broadcast): Likewise.
3990         (mips_expand_vector_init): Likewise.
3991         (mips_expand_vec_reduc): Likewise.
3992         (mips_expand_msa_cmp): Likewise.
3993         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
3994         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
3995         (cc_flags_for_mode): Likewise.
3996         * config/msp430/msp430.c (msp430_print_operand): Likewise.
3997         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
3998         (nds32_output_casesi_pc_relative): Likewise.
3999         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4000         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
4001         (nvptx_gen_unpack): Likewise.
4002         (nvptx_gen_pack): Likewise.
4003         (nvptx_gen_shuffle): Likewise.
4004         (nvptx_gen_wcast): Likewise.
4005         (nvptx_preferred_simd_mode): Likewise.
4006         * config/pa/pa.c (pa_secondary_reload): Likewise.
4007         * config/pa/predicates.md (base14_operand): Likewise.
4008         * config/powerpcspe/powerpcspe-c.c
4009         (altivec_resolve_overloaded_builtin): Likewise.
4010         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
4011         Likewise.
4012         (rs6000_preferred_simd_mode): Likewise.
4013         (output_vec_const_move): Likewise.
4014         (rs6000_expand_vector_extract): Likewise.
4015         (rs6000_split_vec_extract_var): Likewise.
4016         (reg_offset_addressing_ok_p): Likewise.
4017         (rs6000_legitimate_offset_address_p): Likewise.
4018         (rs6000_legitimize_address): Likewise.
4019         (rs6000_emit_set_const): Likewise.
4020         (rs6000_const_vec): Likewise.
4021         (rs6000_emit_move): Likewise.
4022         (spe_build_register_parallel): Likewise.
4023         (rs6000_darwin64_record_arg_recurse): Likewise.
4024         (swap_selector_for_mode): Likewise.
4025         (spe_init_builtins): Likewise.
4026         (paired_init_builtins): Likewise.
4027         (altivec_init_builtins): Likewise.
4028         (do_load_for_compare): Likewise.
4029         (rs6000_generate_compare): Likewise.
4030         (rs6000_expand_float128_convert): Likewise.
4031         (emit_load_locked): Likewise.
4032         (emit_store_conditional): Likewise.
4033         (rs6000_output_function_epilogue): Likewise.
4034         (rs6000_handle_altivec_attribute): Likewise.
4035         (rs6000_function_value): Likewise.
4036         (emit_fusion_gpr_load): Likewise.
4037         (emit_fusion_p9_load): Likewise.
4038         (emit_fusion_p9_store): Likewise.
4039         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
4040         (fusion_gpr_mem_load): Likewise.
4041         (fusion_addis_mem_combo_load): Likewise.
4042         (fusion_addis_mem_combo_store): Likewise.
4043         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
4044         (fusion_gpr_mem_load): Likewise.
4045         (fusion_addis_mem_combo_load): Likewise.
4046         (fusion_addis_mem_combo_store): Likewise.
4047         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4048         Likewise.
4049         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
4050         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
4051         (rs6000_preferred_simd_mode): Likewise.
4052         (output_vec_const_move): Likewise.
4053         (rs6000_expand_vector_extract): Likewise.
4054         (rs6000_split_vec_extract_var): Likewise.
4055         (reg_offset_addressing_ok_p): Likewise.
4056         (rs6000_legitimate_offset_address_p): Likewise.
4057         (rs6000_legitimize_address): Likewise.
4058         (rs6000_emit_set_const): Likewise.
4059         (rs6000_const_vec): Likewise.
4060         (rs6000_emit_move): Likewise.
4061         (rs6000_darwin64_record_arg_recurse): Likewise.
4062         (swap_selector_for_mode): Likewise.
4063         (paired_init_builtins): Likewise.
4064         (altivec_init_builtins): Likewise.
4065         (rs6000_expand_float128_convert): Likewise.
4066         (emit_load_locked): Likewise.
4067         (emit_store_conditional): Likewise.
4068         (rs6000_output_function_epilogue): Likewise.
4069         (rs6000_handle_altivec_attribute): Likewise.
4070         (rs6000_function_value): Likewise.
4071         (emit_fusion_gpr_load): Likewise.
4072         (emit_fusion_p9_load): Likewise.
4073         (emit_fusion_p9_store): Likewise.
4074         * config/rx/rx.c (rx_gen_move_template): Likewise.
4075         (flags_from_mode): Likewise.
4076         * config/s390/predicates.md (s390_alc_comparison): Likewise.
4077         (s390_slb_comparison): Likewise.
4078         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
4079         (s390_vector_mode_supported_p): Likewise.
4080         (s390_cc_modes_compatible): Likewise.
4081         (s390_match_ccmode_set): Likewise.
4082         (s390_canonicalize_comparison): Likewise.
4083         (s390_emit_compare_and_swap): Likewise.
4084         (s390_branch_condition_mask): Likewise.
4085         (s390_rtx_costs): Likewise.
4086         (s390_secondary_reload): Likewise.
4087         (__SECONDARY_RELOAD_CASE): Likewise.
4088         (s390_expand_cs): Likewise.
4089         (s390_preferred_simd_mode): Likewise.
4090         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
4091         * config/sh/sh.c (sh_print_operand): Likewise.
4092         (dump_table): Likewise.
4093         (sh_secondary_reload): Likewise.
4094         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4095         * config/sh/sh.md (casesi_worker_1): Likewise.
4096         (casesi_worker_2): Likewise.
4097         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
4098         (fcc_comparison_operator): Likewise.
4099         * config/sparc/sparc.c (sparc_expand_move): Likewise.
4100         (emit_soft_tfmode_cvt): Likewise.
4101         (sparc_preferred_simd_mode): Likewise.
4102         (output_cbranch): Likewise.
4103         (sparc_print_operand): Likewise.
4104         (sparc_expand_vec_perm_bmask): Likewise.
4105         (vector_init_bshuffle): Likewise.
4106         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
4107         (spu_vector_mode_supported_p): Likewise.
4108         (spu_expand_insv): Likewise.
4109         (spu_emit_branch_or_set): Likewise.
4110         (spu_handle_vector_attribute): Likewise.
4111         (spu_builtin_splats): Likewise.
4112         (spu_builtin_extract): Likewise.
4113         (spu_builtin_promote): Likewise.
4114         (spu_expand_sign_extend): Likewise.
4115         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
4116         (tilegx_simd_int): Likewise.
4117         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
4118         (tilepro_simd_int): Likewise.
4119         * config/v850/v850.c (const_double_split): Likewise.
4120         (v850_print_operand): Likewise.
4121         (ep_memory_offset): Likewise.
4122         * config/vax/vax.c (vax_rtx_costs): Likewise.
4123         (vax_output_int_move): Likewise.
4124         (vax_output_int_add): Likewise.
4125         (vax_output_int_subtract): Likewise.
4126         * config/visium/predicates.md (visium_branch_operator): Likewise.
4127         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
4128         (visium_print_operand_address): Likewise.
4129         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4130         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
4131         (xtensa_expand_conditional_branch): Likewise.
4132         (xtensa_copy_incoming_a7): Likewise.
4133         (xtensa_output_literal): Likewise.
4134         * dfp.c (decimal_real_maxval): Likewise.
4135         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
4136
4137 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4138             Alan Hayward  <alan.hayward@arm.com>
4139             David Sherwood  <david.sherwood@arm.com>
4140
4141         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
4142         (mode_nunits_inline): Likewise.
4143         (mode_inner_inline): Likewise.
4144         (mode_unit_size_inline): Likewise.
4145         (mode_unit_precision_inline): Likewise.
4146         (emit_insn_modes_h): Likewise.  Also emit a #define of the
4147         unprefixed name.
4148         (emit_mode_wider): Add an E_ prefix to mode names.
4149         (emit_mode_complex): Likewise.
4150         (emit_mode_inner): Likewise.
4151         (emit_mode_adjustments): Likewise.
4152         (emit_mode_int_n): Likewise.
4153         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
4154         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
4155         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
4156         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
4157         (CRC32_BUILTIN, ENTRY): Likewise.
4158         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
4159         (aarch64_pop_regs): Likewise.
4160         (aarch64_process_components): Likewise.
4161         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
4162         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
4163         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
4164         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
4165         * config/arm/arm.c (arm_init_libfuncs): Likewise.
4166         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
4167         Likewise.
4168         * config/i386/i386-builtin.def (pcmpestr): Likewise.
4169         (pcmpistr): Likewise.
4170         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
4171         * config/mmix/mmix.c (mmix_output_condition): Likewise.
4172         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
4173         Likewise.
4174         * config/rl78/rl78.c (mduc_regs): Likewise.
4175         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4176         (htm_expand_builtin): Likewise.
4177         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
4178         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
4179         * config/xtensa/xtensa.c (print_operand): Likewise.
4180         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
4181         (NUM_MODE_VECTOR_INT): Likewise.
4182         * genoutput.c (null_operand): Likewise.
4183         (output_operand_data): Likewise.
4184         * genrecog.c (print_parameter_value): Likewise.
4185         * lra.c (debug_operand_data): Likewise.
4186
4187 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4188
4189         * dwarf2out.c (scompare_loc_descriptor_wide)
4190         (scompare_loc_descriptor_narrow): New functions, split out from...
4191         (scompare_loc_descriptor): ...here.
4192         * expmed.c (emit_store_flag_int): New function, split out from...
4193         (emit_store_flag): ...here.
4194
4195 2017-08-30  Richard Biener  <rguenther@suse.de>
4196
4197         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
4198         (dwarf2out_early_finish): Move setting of AT_pubnames from
4199         early debug output to early finish.
4200
4201 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4202
4203         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
4204         and -mdata-region to the assembler.
4205
4206 2017-08-30  Richard Biener  <rguenther@suse.de>
4207
4208         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
4209         attributes.
4210         (gen_subprogram_die): Add DW_AT_object_pointer only early.
4211         (dwarf2out_early_global_decl): Only generate a DIE for the
4212         abstract origin if it doesn't already exist or is a declaration DIE.
4213         (resolve_addr): Do not add the linkage name twice when
4214         generating a stub DIE for the DW_TAG_GNU_call_site target.
4215
4216 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4217
4218         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4219         Use machine_mode rather than int for arg1_mode.
4220
4221 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
4222
4223         PR target/82015
4224         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
4225         that the second argument of the built-in functions to unpack
4226         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
4227         switch statement instead a lot of if statements.
4228         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
4229         Allow 64-bit values to be in Altivec registers as well as
4230         traditional floating point registers.
4231         (pack<mode>, FMOVE128_VSX iterator): Likewise.
4232
4233 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
4234
4235         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
4236         MAX_REGS_PER_ADDRESS == 1.
4237
4238 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
4239
4240         * config/i386/i386.opt (flag_fentry): Do not init to -1.
4241         * config/i386/i386.c (ix86_option_override_internal): Simplify
4242         setting of opts->x_flag_entry.
4243
4244 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4245             Jakub Jelinek  <jakub@redhat.com>
4246             Richard Biener  <rguenther@suse.de>
4247
4248         PR tree-optimization/81503
4249         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
4250         folded constant fits in the target type; reorder tests for clarity.
4251
4252 2017-08-29  Martin Liska  <mliska@suse.cz>
4253
4254         * passes.def: Include pass_lower_switch.
4255         * stmt.c (dump_case_nodes): Remove and move to
4256         tree-switch-conversion.
4257         (case_values_threshold): Likewise.
4258         (expand_switch_as_decision_tree_p): Likewise.
4259         (emit_case_decision_tree): Likewise.
4260         (expand_case): Likewise.
4261         (balance_case_nodes): Likewise.
4262         (node_has_low_bound): Likewise.
4263         (node_has_high_bound): Likewise.
4264         (node_is_bounded): Likewise.
4265         (emit_case_nodes): Likewise.
4266         (struct simple_case_node): New struct.
4267         (add_case_node): Remove.
4268         (emit_case_dispatch_table): Use vector instead of case_list.
4269         (reset_out_edges_aux): Remove.
4270         (compute_cases_per_edge): Likewise.
4271         (expand_case): Build list of simple_case_node.
4272         (expand_sjlj_dispatch_table): Use it.
4273         * tree-switch-conversion.c (struct case_node): Moved from
4274         stmt.c and adjusted.
4275         (emit_case_nodes): Likewise.
4276         (node_has_low_bound): Likewise.
4277         (node_has_high_bound): Likewise.
4278         (node_is_bounded): Likewise.
4279         (case_values_threshold): Likewise.
4280         (reset_out_edges_aux): Likewise.
4281         (compute_cases_per_edge): Likewise.
4282         (add_case_node): Likewise.
4283         (dump_case_nodes): Likewise.
4284         (balance_case_nodes): Likewise.
4285         (expand_switch_as_decision_tree_p): Likewise.
4286         (emit_jump): Likewise.
4287         (emit_case_decision_tree): Likewise.
4288         (try_switch_expansion): Likewise.
4289         (do_jump_if_equal): Likewise.
4290         (emit_cmp_and_jump_insns): Likewise.
4291         (fix_phi_operands_for_edge): New function.
4292         (record_phi_operand_mapping): Likewise.
4293         (class pass_lower_switch): New pass.
4294         (pass_lower_switch::execute): New function.
4295         (make_pass_lower_switch): Likewise.
4296         (conditional_probability):
4297         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
4298         * tree-pass.h: Add make_pass_lower_switch.
4299
4300 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4301
4302         PR target/80993
4303         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
4304         handlers as used.
4305
4306 2017-08-29  Richard Biener  <rguenther@suse.de>
4307
4308         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
4309         we do not add a DW_AT_inline attribute twice.
4310         (gen_subprogram_die): Remove code setting DW_AT_inline on
4311         DECL_ABSTRACT_P nodes.
4312
4313 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
4314
4315         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
4316         calls to internal functions.
4317         (gimplify_modify_expr): Likewise.
4318         * tree-call-cdce.c (use_internal_fn): Likewise.
4319         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
4320         (convert_to_divmod): Set the nothrow flag.
4321         * tree-if-conv.c (predicate_mem_writes):  Likewise.
4322         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
4323         (vectorizable_call): Likewise.
4324         (vectorizable_store): Likewise.
4325         (vectorizable_load): Likewise.
4326         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
4327         (vect_recog_mask_conversion_pattern): Likewise.
4328
4329 2017-08-29  Martin Liska  <mliska@suse.cz>
4330
4331         PR other/39851
4332         * gcc.c (driver_handle_option): Add new argument.
4333         * opts-common.c (handle_option): Pass
4334         target_option_override_hook.
4335         * opts-global.c (lang_handle_option): Add new option.
4336         (set_default_handlers):  Add new argument.
4337         (decode_options): Likewise.
4338         * opts.c (target_handle_option): Likewise.
4339         (common_handle_option): Call target_option_override_hook.
4340         * opts.h (struct cl_option_handler_func): Add hook for
4341         target option override.
4342         (struct cl_option_handlers): Likewise.
4343         (set_default_handlers): Add new argument.
4344         (decode_options): Likewise.
4345         (common_handle_option): Likewise.
4346         (target_handle_option): Likewise.
4347         * toplev.c (toplev::main): Pass targetm.target_option.override
4348         hook.
4349
4350 2017-08-29  Richard Biener  <rguenther@suse.de>
4351         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
4352
4353         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
4354         life to the active subtree.
4355
4356 2017-08-28  Jeff Law  <law@redhat.com>
4357
4358         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
4359         derive_equivalences.
4360         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
4361         Code moved into....
4362         (edge_info::derive_equivalences): New private member function
4363
4364         * tree-ssa-dom.c (class edge_info): Changed from a struct
4365         to a class.  Add ctor/dtor, methods and data members.
4366         (edge_info::edge_info): Renamed from allocate_edge_info.
4367         Initialize additional members.
4368         (edge_info::~edge_info): New.
4369         (free_dom_edge_info): Delete the edge info.
4370         (record_edge_info): Use new class & associated member functions.
4371         Tighten forms for testing for edge equivalences.
4372         (record_temporary_equivalences): Iterate over the simple
4373         equivalences rather than assuming there's only one per edge.
4374         (cprop_into_successor_phis): Iterate over the simple
4375         equivalences rather than assuming there's only one per edge.
4376         (optimize_stmt): Use operand_equal_p rather than pointer
4377         equality for mini-DSE code.
4378
4379 2017-08-28  Nathan Sidwell  <nathan@acm.org>
4380
4381         * gcc.c (execute): Fold SIGPIPE handling into switch
4382         statement.  Adjust internal error message.
4383
4384 2017-08-28  Richard Biener  <rguenther@suse.de>
4385
4386         PR debug/81993
4387         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
4388         Do nothing for removed DIEs.
4389
4390 2017-08-28  Richard Biener  <rguenther@suse.de>
4391
4392         PR tree-optimization/81977
4393         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
4394         memcpy.
4395
4396 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
4397
4398         PR target/80640
4399         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
4400         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
4401         using targetm.gen_mem_thread_fence.
4402
4403 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
4404
4405         PR target/81995
4406         * config/i386/i386.md (*<btsc><mode>): Change operand 2
4407         predicate to register_operand.  Reorder operands.
4408         (*btr<mode>): Ditto.
4409         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
4410         (*btr<mode>_mask): Ditto.
4411
4412 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
4413
4414         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
4415         * config/rs6000/xmmintrin.h: New file.
4416         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
4417
4418 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4419
4420         PR target/81504
4421         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
4422         parameter and_insn and return it.
4423         (recombine_lvx_pattern): Insert a copy to ensure availability of
4424         the base register of the copied masking operation at the point of
4425         the instruction replacement.
4426         (recombine_stvx_pattern): Likewise.
4427
4428 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
4429
4430         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
4431         undocumented switches.
4432         (-mpower9-dform-vector): Likewise.
4433         (-mpower9-dform): Likewise.
4434         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
4435         comments to delete references to -mpower9-dform* switches.
4436         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
4437         Delete reference to -mpower9-dform* switches, test for
4438         -mpower9-vector instead.
4439         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
4440         (OTHER_P9_VECTOR_MASKS): Likewise.
4441         (POWERPC_MASKS): Likewise.
4442         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
4443         tests against -mpower9-dform* to -mpower9-vector.  Delete code
4444         that checked for -mpower9-dform* consistancy with other options.
4445         Add test for -mpower9-misc to enable other power9 switches.
4446         (rs6000_init_hard_regno_mode_ok): Likewise.
4447         (rs6000_option_override_internal): Likewise.
4448         (rs6000_emit_prologue): Likewise.
4449         (rs6000_emit_epilogue): Likewise.
4450         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
4451         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
4452         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
4453         -mpower9-vector.
4454         (emit_fusion_p9_store): Likewise.
4455         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
4456         resetting these macros if the assembler does not support ISA 3.0
4457         instructions.
4458         (TARGET_P9_DFORM_VECTOR): Likewise.
4459         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
4460         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
4461
4462 2017-08-25  Alan Modra  <amodra@gmail.com>
4463
4464         PR rtl-optimization/81747
4465         * cse.c (cse_extended_basic_block): Don't attempt to record
4466         equivalences for degenerate conditional branches that branch
4467         to their fall-through.
4468
4469 2017-08-24  Martin Sebor  <msebor@redhat.com>
4470
4471         PR middle-end/81908
4472         * gimple-fold.c (size_must_be_zero_p): New function.
4473         (gimple_fold_builtin_memory_op): Call it.
4474
4475 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
4476
4477         * config/rs6000/mm_malloc.h: New file.
4478
4479 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
4480
4481         PR tree-optimization/81913
4482         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
4483         analysis when either IVs in condition can wrap.
4484
4485 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
4486
4487         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
4488         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
4489
4490 2017-08-24  Richard Biener  <rguenther@suse.de>
4491
4492         PR target/81921
4493         * targhooks.c (default_target_can_inline_p): Properly
4494         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
4495         is present and always compare.
4496         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
4497         infer -mfpmath=sse from TARGET_SSE_P.
4498         (ix86_can_inline_p): Properly use target_option_default_node when
4499         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
4500
4501 2017-08-24  Richard Biener  <rguenther@suse.de>
4502
4503         PR debug/81936
4504         * dwarf2out.c (output_die): Handle flag_generate_offload like
4505         flag_generate_lto.
4506         (output_comp_unit): Likewise.
4507         (gen_array_type_die): Likewise.
4508         (dwarf2out_early_finish): Likewise.
4509         (note_variable_value_in_expr): Likewise.
4510         (dwarf2out_finish): Likewise.  Adjust assert.
4511         * cgraphunit.c (symbol_table::compile): Move setting of
4512         flag_generate_offload earlier ...
4513         (symbol_table::finalize_compilation_unit): ... here, before
4514         early debug finalization.
4515
4516 2017-08-24  Richard Biener  <rguenther@suse.de>
4517
4518         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
4519         and ipa-fnsummary.h.
4520         (ix86_can_inline_p): When ix86_fpmath flags do not match
4521         check whether the callee uses FP math at all.
4522
4523 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
4524
4525         PR middle-end/81931
4526         * tree-ssanames.c (get_nonzero_bits): Use element_precision
4527         instead of TYPE_PRECISION.
4528
4529 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
4530             Alan Hayward  <alan.hayward@arm.com>
4531             David Sherwood  <david.sherwood@arm.com>
4532
4533         * combine.c (make_extraction): Use subreg_offset_from_lsb.
4534
4535 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
4536
4537         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
4538         Remove field.
4539         (ix86_frame::stack_realign_allocate): New field.
4540         (struct machine_frame_state): Modify comments.
4541         (machine_frame_state::sp_realigned_fp_end): New field.
4542         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
4543         layout calculation.
4544         (sp_valid_at): Add assertion to assure no attempt to access invalid
4545         offset of a realigned stack.
4546         (fp_valid_at): Likewise.
4547         (choose_baseaddr): Modify comments.
4548         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
4549         ix86_expand_prologue.
4550         (ix86_expand_prologue): Modify stack realignment and allocation.
4551         (ix86_expand_epilogue): Modify comments.
4552         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
4553         avx2_runtime, avx512f, and avx512f_runtime.
4554
4555 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
4556
4557         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
4558         (mstackrealign): Do not init to -1.
4559         * config/i386/i386.c (ix86_option_override_internal):
4560         Check opts_set, not opts when setting default value of
4561         opts->x_ix86_force_align_arg_pointer.
4562
4563 2017-08-23  Richard Biener  <rguenther@suse.de>
4564
4565         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
4566         lang_hooks.decl_printable_name.
4567         * print-rtl-function.c (print_rtx_function): Likewise.
4568         * tree-pretty-print.c (dump_function_header): Likewise.
4569
4570 2017-08-23  Richard Biener  <rguenther@suse.de>
4571
4572         PR lto/81940
4573         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
4574         -g0 at compile-time.
4575
4576 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4577
4578         PR middle-end/19706
4579         * doc/sourcebuild.texi (Other hardware attributes):
4580         Document xorsign.
4581
4582 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4583
4584         PR middle-end/19706
4585         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
4586         Fix single-use check.
4587
4588 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4589
4590         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
4591
4592 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4593
4594         * doc/install.texi: Modify to add more details on running selected
4595         tests.
4596
4597 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4598
4599         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
4600         is combined with -mabi=ms.
4601         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
4602         ms_abi.
4603
4604 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4605
4606         PR tree-optimization/81488
4607         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
4608         and cached_basis fields.
4609         (MAX_SPREAD): New constant.
4610         (alloc_cand_and_find_basis): Initialize new fields.
4611         (clear_visited): New function.
4612         (create_phi_basis_1): Rename from create_phi_basis, set visited
4613         and cached_basis fields.
4614         (create_phi_basis): New wrapper function.
4615         (phi_add_costs_1): Rename from phi_add_costs, add spread
4616         parameter, set visited field, short-circuit when limits reached.
4617         (phi_add_costs): New wrapper function.
4618         (record_phi_increments_1): Rename from record_phi_increments, set
4619         visited field.
4620         (record_phi_increments): New wrapper function.
4621         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
4622         (phi_incr_cost): New wrapper function.
4623         (all_phi_incrs_profitable_1): Rename from
4624         all_phi_incrs_profitable, set visited field.
4625         (all_phi_incrs_profitable): New wrapper function.
4626
4627 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4628             Alan Hayward  <alan.hayward@arm.com>
4629             David Sherwood  <david.sherwood@arm.com>
4630
4631         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
4632         that takes the outer and inner modes.
4633         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
4634         comparison as the canonical test for a paradoxical subreg.
4635         * combine.c (simplify_set): Use paradoxical_subreg_p.
4636         (make_extraction): Likewise.
4637         (force_to_mode): Likewise.
4638         (rtx_equal_for_field_assignment_p): Likewise.
4639         (gen_lowpart_for_combine): Likewise.
4640         (simplify_comparison): Likewise.
4641         * cse.c (equiv_constant): Likewise.
4642         * expmed.c (store_bit_field_1): Likewise.
4643         * final.c (alter_subreg): Likewise.
4644         * fwprop.c (propagate_rtx): Likewise.
4645         (forward_propagate_subreg): Likewise.
4646         * ira-conflicts.c (ira_build_conflicts): Likewise.
4647         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
4648         * lra-constraints.c (curr_insn_transform): Likewise.
4649         (split_reg): Likewise.
4650         * lra-eliminations.c (move_plus_up): Likewise.
4651         (lra_eliminate_regs_1): Likewise.
4652         * recog.c (general_operand): Likewise.
4653         * ree.c (combine_reaching_defs): Likewise.
4654         * reload.c (push_reload): Likewise.
4655         (find_reloads): Likewise.
4656         * reload1.c (elimination_effects): Likewise.
4657         (compute_reload_subreg_offset): Likewise.
4658         (choose_reload_regs): Likewise.
4659         * rtlanal.c (subreg_lsb_1): Likewise.
4660         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4661         (simplify_subreg): Likewise.
4662         * var-tracking.c (track_loc_p): Likewise.
4663         * emit-rtl.c (byte_lowpart_offset): Likewise.
4664         (paradoxical_subreg_p): Delete out-of-line definition.
4665
4666 2017-08-22  Jeff Law  <law@redhat.com>
4667
4668         PR tree-optimization/81741
4669         PR tree-optimization/71947
4670         * tree-ssa-dom.c: Include tree-inline.h.
4671         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
4672         equivalences if one is more expensive to compute than the other.
4673         * tree-ssa-scopedtables.h (class const_or_copies): Make
4674         record_const_or_copy_raw method private.
4675         (class avail_exprs_stack): New method simplify_binary_operation.
4676         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
4677         avail_exprs_stack::simplify_binary_operation as needed.
4678         (avail_exprs_stack::simplify_binary_operation): New function.
4679
4680 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4681
4682         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
4683         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
4684         (DOT_SYMBOLS): Likewise.
4685         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
4686         (RELOCATABLE_NEEDS_FIXUP): Likewise.
4687         (RS6000_ABI_NAME): Likewise.
4688         (TARGET_CMODEL): Likewise.
4689         (TOC_SECTION_ASM_OP): Likewise.
4690         (SET_CMODEL): New macro.
4691         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
4692
4693 2017-08-22  Richard Biener  <rguenther@suse.de>
4694
4695         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
4696         to allow for free-lang-data replacements similar to verify_type_variant.
4697
4698 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4699             Alan Hayward  <alan.hayward@arm.com>
4700             David Sherwood  <david.sherwood@arm.com>
4701
4702         * config/aarch64/aarch64.md (casesi): Use DImode rather than
4703         VOIDmode for the LABEL_REF.
4704
4705 2017-08-22  Richard Biener  <rguenther@suse.de>
4706
4707         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
4708
4709 2017-08-22  Richard Biener  <rguenther@suse.de>
4710
4711         * common.opt (feliminate-dwarf2-dups): Ignore.
4712         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
4713         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
4714         same_die_p_wrap, compute_section_prefix,
4715         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
4716         (comdat_symbol_id, comdat_symbol_number): Likewise.
4717         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
4718         Likewise.
4719         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
4720         (output_die): Mark unreachable path unreachable.
4721         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
4722         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
4723         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
4724         (dwarf2out_early_finish): Likewise.
4725
4726 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
4727
4728         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
4729
4730 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
4731
4732         PR target/81910
4733         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
4734         not VAR_P. Filter attribute warnings with OPT_Wattributes.
4735         (avr_attribute_table) <io, io_low, address>: Initialize
4736         .decl_required with true.
4737
4738 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
4739
4740         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
4741         undocumented debugging options.
4742         (-mvsx-scalar-double): Likewise.
4743         (-mallow-df-permute): Likewise.
4744         (-mvectorize-builtins): Likewise.
4745         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4746         (rs6000_builtin_vectorized_function): Likewise.
4747         (rs6000_builtin_md_vectorized_function): Likewise.
4748         (rs6000_opt_vars): Likewise.
4749
4750 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
4751
4752         PR target/46091
4753         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
4754         (*btrq_imm): Rename from *btrq.
4755         (*btcq_imm): Rename from *btcq.
4756         (btsc): New code attribute.
4757         (*<btsc><mode>): New insn pattern.
4758         (*btr<mode>): Ditto.
4759         (*<btsc><mode>_mask): New insn_and_split pattern.
4760         (*btr<mode>_mask): Ditto.
4761
4762 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4763             Alan Hayward  <alan.hayward@arm.com>
4764             David Sherwood  <david.sherwood@arm.com>
4765
4766         * function.c (pad_below): Simplify padding calculation.
4767
4768 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4769             Alan Hayward  <alan.hayward@arm.com>
4770             David Sherwood  <david.sherwood@arm.com>
4771
4772         * target.def (function_prologue): Remove frame size argument.
4773         (function_epilogue): Likewise.
4774         * doc/tm.texi: Regenerate.
4775         * final.c (final_start_function): Update call to function_prologue.
4776         (final_end_function): Update call to function_epilogue.
4777         (default_function_pro_epilogue): Remove frame size argument.
4778         * output.h (default_function_pro_epilogue): Likewise.
4779         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
4780         (arm_output_function_prologue): Likewise.
4781         * config/frv/frv.c (frv_function_prologue): Likewise.
4782         (frv_function_epilogue): Likewise.
4783         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
4784         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
4785         (ia64_output_function_epilogue): Likewise.
4786         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
4787         (m32r_output_function_epilogue): Likewise.
4788         * config/microblaze/microblaze.c (microblaze_function_prologue)
4789         (microblaze_function_epilogue): Likewise.
4790         * config/mips/mips.c (mips_output_function_prologue): Likewise.
4791         (mips_output_function_epilogue): Likewise.
4792         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
4793         (mmix_target_asm_function_epilogue): Likewise.
4794         * config/msp430/msp430.c (msp430_start_function): Likewise.
4795         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
4796         (nds32_asm_function_epilogue): Likewise.
4797         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
4798         * config/pa/pa.c (pa_output_function_prologue): Likewise.
4799         (pa_output_function_epilogue): Likewise.
4800         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
4801         (rs6000_output_function_epilogue): Likewise.
4802         * config/rl78/rl78.c (rl78_start_function): Likewise.
4803         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
4804         (rs6000_output_function_epilogue): Likewise.
4805         * config/rx/rx.c (rx_output_function_prologue): Likewise.
4806         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
4807         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
4808         (sparc_asm_function_epilogue): Likewise.
4809
4810 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4811
4812         * tree.h (type_has_mode_precision_p): New function.
4813         * convert.c (convert_to_integer_1): Use it.
4814         * expr.c (expand_expr_real_2): Likewise.
4815         (expand_expr_real_1): Likewise.
4816         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
4817         * match.pd: Likewise.
4818         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
4819         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
4820         * tree-tailcall.c (process_assignment): Likewise.
4821         * tree-vect-loop.c (vectorizable_reduction): Likewise.
4822         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
4823         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
4824         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4825         (vectorizable_assignment): Likewise.
4826         (vectorizable_shift): Likewise.
4827         (vectorizable_operation): Likewise.
4828         * tree-vrp.c (register_edge_assert_for_2): Likewise.
4829
4830 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
4831
4832         * match.pd: Add pow (C, x) simplification.
4833
4834 2017-08-21  Richard Biener  <rguenther@suse.de>
4835
4836         PR tree-optimization/81900
4837         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
4838         for blocks with abnormal predecessors.
4839         (compute_antic): Do not set visited flag prematurely.
4840
4841 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
4842
4843         PR target/79883
4844         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
4845
4846 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4847
4848         * stor-layout.h (vector_type_mode): Move to...
4849         * tree.h (vector_type_mode): ...here.
4850         * stor-layout.c (vector_type_mode): Move to...
4851         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
4852
4853 2017-08-21  Richard Biener  <rguenther@suse.de>
4854
4855         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
4856         register_external_die hooks.
4857         (debug_false_tree_charstarstar_uhwistar): Declare.
4858         (debug_nothing_tree_charstar_uhwi): Likewise.
4859         * debug.c (do_nothing_debug_hooks): Adjust.
4860         (debug_false_tree_charstarstar_uhwistar): New do nothing.
4861         (debug_nothing_tree_charstar_uhwi): Likewise.
4862         * dbxout.c (dbx_debug_hooks): Adjust.
4863         (xcoff_debug_hooks): Likewise.
4864         * sdbout.c (sdb_debug_hooks): Likewise.
4865         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4866         * dwarf2out.c (macinfo_label_base): New global.
4867         (dwarf2out_register_external_die): New function for the
4868         register_external_die hook.
4869         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
4870         (dwarf2_debug_hooks): Use them.
4871         (dwarf2_lineno_debug_hooks): Adjust.
4872         (struct die_struct): Add with_offset flag.
4873         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
4874         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
4875         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
4876         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
4877         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
4878         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
4879         defining section names for the early LTO debug variants.
4880         (reset_indirect_string): New helper.
4881         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
4882         (print_dw_val): Add support for offsetted symbol references.
4883         (get_ultimate_context): Split out from is_cxx.
4884         (is_cxx): Use get_ultimate_context.
4885         (is_fortran): Add decl overload.
4886         (compute_comp_unit_symbol): Split out worker from
4887         compute_section_prefix.
4888         (compute_section_prefix): Call compute_comp_unit_symbol and
4889         set comdat_type_p here.
4890         (output_die): Skip DIE symbol output for the LTO added one.
4891         Handle DIE symbol references with offset.
4892         (output_comp_unit): Guard section name mangling properly.
4893         For LTO debug sections emit a symbol at the section beginning
4894         which we use to refer to its DIEs.
4895         (add_abstract_origin_attribute): For DIEs registered via
4896         dwarf2out_register_external_die directly refer to the early
4897         DIE rather than indirectly through the shadow one we created.
4898         Remove obsolete call to dwarf2out_abstract_function for
4899         non-function/block origins.
4900         (gen_array_type_die): When generating early LTO debug do
4901         not emit DW_AT_string_length.
4902         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
4903         late when in LTO.  As suggested place a gcc_unreachable for
4904         the DECL_ABSTRACT_P case.
4905         (gen_subprogram_die): Avoid another specification DIE
4906         for early built declarations/definitions for the late LTO case.
4907         (gen_variable_die): Add type references for late duplicated VLA dies
4908         when in late LTO.
4909         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
4910         we have the abstract instance already.
4911         (process_scope_var): Adjust decl DIE contexts in LTO which
4912         first puts them in limbo.
4913         (gen_decl_die): Do not generate type DIEs late apart from
4914         types for VLAs or for decls we do not yet have a DIE.  Do not
4915         call dwarf2out_abstract_function late.
4916         (dwarf2out_early_global_decl): Make sure to create DIEs
4917         for abstract instances of a decl first.
4918         (dwarf2out_late_global_decl): Adjust comment.
4919         (output_macinfo_op): With multiple macro sections use
4920         macinfo_label_base to distinguish labels.
4921         (output_macinfo): Likewise.  Update macinfo_label_base.
4922         Pass in the line info label.
4923         (note_variable_value_in_expr): When generating LTO resolve
4924         all variable values here by generating DIEs as needed.
4925         (init_sections_and_labels): Add early LTO debug flag parameter
4926         and generate different sections and names if set.  Add generation
4927         counter for the labels so we can have multiple of them.
4928         (reset_dies): Helper to allow DIEs to be output multiple times.
4929         (dwarf2out_finish): When outputting DIEs to the fat part of an
4930         LTO object first reset DIEs.
4931         (dwarf2out_early_finish): Output early DIEs when generating LTO.
4932         (modified_type_die): Check for decl_ultimate_origin being self
4933         before recursing.
4934         (gen_type_die_with_usage): Likewise.
4935         (gen_typedef_die): Allow decl_ultimate_origin being self.
4936         (set_decl_abstract_flags): Remove.
4937         (set_block_abstract_flags): Likewise.
4938         (dwarf2out_abstract_function): Treat the early generated DIEs
4939         as the abstract copy and only add DW_AT_inline and
4940         DW_AT_artificial here and call set_decl_origin_self.
4941         If the DIE has an abstract origin don't do anything.
4942         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
4943         if we have none yet (Go fails to build one, PR78628).
4944         (variably_modified_type_p): Prevent endless recursion for Ada
4945         cyclic pointer types.
4946         * lto-streamer-in.c: Include debug.h.
4947         (dref_queue): New global.
4948         (lto_read_tree_1): Stream in DIE references.
4949         (lto_input_tree): Register DIE references.
4950         (input_function): Stream DECL_DEBUG_ARGS.
4951         * lto-streamer-out.c: Include debug.h.
4952         (lto_write_tree_1): Output DIE references.
4953         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
4954         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
4955         (output_function): Stream DECL_DEBUG_ARGS.
4956         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
4957         Stream DECL_ABSTRACT_ORIGIN.
4958         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
4959         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
4960         DECL_CONTEXT for file-scope decls.
4961         * lto-streamer.h (struct dref_entry): Declare.
4962         (dref_queue): Likewise.
4963         * cfgexpand.c (pass_expand::execute): Do not call the
4964         outlining_inline_function hook here.
4965         * lto-wrapper.c (debug_obj): New global.
4966         (tool_cleanup): Unlink it if required.
4967         (debug_objcopy): New function.
4968         (run_gcc): Handle early debug sections in the IL files by
4969         extracting them to separate files, partially linkin them and
4970         feeding the result back as result to the linker.
4971         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
4972         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
4973         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
4974         sections into a separate segment.
4975         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
4976         segments.
4977         (darwin_asm_dwarf_section): Likewise.
4978         (darwin_asm_output_dwarf_offset): Likewise.
4979         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
4980
4981 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4982             Alan Hayward  <alan.hayward@arm.com>
4983             David Sherwood  <david.sherwood@arm.com>
4984
4985         * read-md.h (md_reader::record_potential_iterator_use): Replace
4986         pointer argument with an rtx and an index.
4987         * read-rtl.c (iterator_group::apply_iterator): Likewise.
4988         (apply_mode_iterator): Likewise.
4989         (apply_code_iterator): Likewise.
4990         (apply_int_iterator): Likewise.
4991         (apply_subst_iterator): Likewise.
4992         (record_iterator_use): Likewise.
4993         (record_attribute_use): Likewise.
4994         (md_reader::record_potential_iterator_use): Likewise.  Update calls
4995         to record_iterator_use and apply_iterator.
4996         (iterator_use): Replace ptr with x and index.
4997         (attribute_use): Likewise.
4998         (apply_attribute_uses): Update calls to apply_iterator.
4999         (apply_iterators): Likewise.  Update initialization of iterator_use.
5000         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
5001         and record_potential_iterator_use.
5002         (rtx_reader::read_rtx_operand): Likewise.
5003
5004 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5005             Alan Hayward  <alan.hayward@arm.com>
5006             David Sherwood  <david.sherwood@arm.com>
5007
5008         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
5009         CONST_WIDE_INT.
5010
5011 2017-08-21  Richard Biener  <rguenther@suse.de>
5012
5013         PR middle-end/81884
5014         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
5015         at struct end conservatively when comparing common bases.
5016
5017 2017-08-21  Richard Biener  <rguenther@suse.de>
5018
5019         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
5020         (mem_ref_in_stmt): Remove.
5021         (determine_max_movement): Use ref index to get at the reference.
5022         (invariantness_dom_walker::before_dom_children): Deal with
5023         lim data already initialized.
5024         (gather_mem_refs_stmt): Initialize lim data and record ref index.
5025
5026 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5027
5028         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
5029         (TARGET_ISA_ROUND): Ditto.
5030         (TARGET_ROUND): Ditto.
5031         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
5032         * config/i386/i386.md: Ditto.
5033         * config/i386/sse.md: Ditto.
5034         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
5035         with OPTION_MASK_ISA_SSE4_1.
5036
5037 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5038
5039         PR target/81894
5040         * doc/extend.texi (x86 Built-in Functions): Correct the name of
5041         __builtin_ia32_lzcnt_u16.
5042
5043 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
5044
5045         PR target/80210
5046         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
5047         (rs6000_set_current_function): Rewrite function to use it.
5048
5049 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
5050
5051         PR c/53037
5052         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
5053         and TYPE_WARN_IF_NOT_ALIGN.
5054         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
5055         (handle_warn_if_not_align): New.
5056         (place_union_field): Call handle_warn_if_not_align.
5057         (place_field): Call handle_warn_if_not_align.
5058         Copy TYPE_WARN_IF_NOT_ALIGN.
5059         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
5060         (layout_type): Likewise.
5061         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
5062         spare to 18.
5063         (tree_decl_common): Add warn_if_not_align.
5064         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
5065         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
5066         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
5067         (DECL_WARN_IF_NOT_ALIGN): Likewise.
5068         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
5069         * doc/extend.texi: Document warn_if_not_aligned attribute.
5070         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
5071
5072 2017-08-17  Martin Liska  <mliska@suse.cz>
5073
5074         PR bootstrap/81864
5075         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
5076         (get_data_dependence): Use it as pointer type.
5077         (distribute_loop): Likewise.
5078
5079 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5080
5081         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
5082         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
5083         (p8_vmrgow_<mode>_direct): New define_insn.
5084         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
5085         handle endianness for vmrgew and vmrgow permute patterns.
5086
5087 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5088
5089         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
5090         * config/rs6000/rs6000-cpus.def: Remove comment.
5091         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
5092         (POWERPC_MASKS): Likewise.
5093         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
5094         use of TARGET_VSX_TIMODE.
5095         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
5096         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
5097         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
5098         (rs6000_option_override_internal): Remove dead code.
5099         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
5100         (rs6000_legitimize_reload_address): Likewise.
5101         (rs6000_legitimate_address_p): Likewise.
5102         (rs6000_opt_masks): Delete "vsx-timode".
5103         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
5104         from function comment.
5105         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
5106         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
5107         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
5108         condition.
5109         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
5110         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
5111         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
5112         (VSX_TI): Likewise.
5113         (VSX_M): Likewise.
5114         (define_peephole2): Likewise.
5115
5116 2017-08-17  Martin Sebor  <msebor@redhat.com>
5117
5118         PR c/81859
5119         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
5120         past the end of an array.
5121         (test_pp_format): Add test cases.
5122
5123 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
5124
5125         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
5126         missing ECF_NOTHROW flags.
5127
5128 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5129
5130         PR target/72804
5131         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
5132         operands residing in integer registers.
5133         (*vsx_le_perm_load_<mode>): Likewise.
5134         (*vsx_le_perm_store_<mode>): Likewise.
5135         (define_peephole2): Add peepholes to optimize the above.
5136
5137 2017-08-17  Marek Polacek  <polacek@redhat.com>
5138
5139         PR middle-end/81814
5140         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
5141         to mimic what shorten_compare did.  Change the return type to bool.
5142         (fold_cond_expr_with_comparison): Update call to
5143         operand_equal_for_comparison_p.
5144         (fold_ternary_loc): Likewise.
5145
5146 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
5147
5148         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
5149         register.
5150         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
5151
5152 2017-08-17  Richard Biener  <rguenther@suse.de>
5153
5154         * tree-ssa-structalias.c (solve_graph): When propagating
5155         to successors update the graphs succ edges and avoid duplicate work.
5156
5157 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
5158
5159         PR target/81861
5160         * config/i386/i386.c (ix86_option_override_internal): Save target
5161         specific options after ix86_stack_protector_guard_reg was changed.
5162
5163 2017-08-17  Richard Biener  <rguenther@suse.de>
5164
5165         PR tree-optimization/81827
5166         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
5167         (new_var_info): Initialize it conservatively.
5168         (get_call_vi): Mark register vars.
5169         (new_scalar_tmp_constraint_exp): Likewise.
5170         (handle_rhs_call): Likewise.
5171         (handle_const_call): Likewise.
5172         (create_function_info_for): Likewise.
5173         (solve_constraints): Sort varinfos to separate register from
5174         non-register vars to pack points-to solution bitmaps during
5175         iteration.
5176
5177 2017-08-17  Marek Polacek  <polacek@redhat.com>
5178
5179         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
5180
5181 2017-08-17  Richard Biener  <rguenther@suse.de>
5182
5183         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
5184         to true when overflow is undefined and we saturated the result.
5185
5186 2017-08-17  Alan Modra  <amodra@gmail.com>
5187
5188         PR target/80938
5189         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
5190         Don't use store multiple if only one reg needs saving.
5191         (interesting_frame_related_regno): New function.
5192         (rs6000_frame_related): Don't emit frame info for regs that
5193         don't need saving.
5194         (rs6000_emit_epilogue): Likewise.
5195
5196 2017-08-16  Nathan Sidwell  <nathan@acm.org>
5197
5198         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
5199         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
5200         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
5201         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
5202         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
5203         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
5204         (verify_type): Adjust for TYPE_BINFO move.
5205         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
5206         process TYPE_BINFO directly.
5207         (hash_tree): Likewise.
5208         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
5209         Likewise.
5210         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
5211         Likewise.
5212
5213 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
5214
5215         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
5216
5217 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
5218
5219         PR target/46091
5220         * config/i386/i386.md (*anddi_1_btr): Change predicates of
5221         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
5222         Add ix86_binary_operator_ok to insn constraint.
5223         (*iordi_1_bts): Ditto.
5224         (*xordi_1_btc): Ditto.
5225         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
5226         Update corresponding peephole2 pattern.
5227         (*btrq): Ditto.
5228         (*btcq): Ditto.
5229
5230 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
5231
5232         PR tree-optimization/81832
5233         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
5234         copy loop header which has IFN_LOOP_DIST_ALIAS call.
5235
5236 2017-08-16  Marek Polacek  <polacek@redhat.com>
5237
5238         PR middle/81695
5239         * fold-const.c (fold_indirect_ref_1): Restore original behavior
5240         regarding size_zero_node.
5241
5242 2017-08-16  Martin Liska  <mliska@suse.cz>
5243
5244         PR target/81753
5245         * config.gcc: Respect previously set extra_objs in case
5246         of darwin target.
5247
5248 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
5249
5250         PR tree-optimization/81835
5251         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
5252         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
5253         not depend on the phi.
5254
5255 2017-08-16  Alan Modra  <amodra@gmail.com>
5256
5257         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
5258         dead code.
5259
5260 2017-08-16  Alan Modra  <amodra@gmail.com>
5261
5262         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
5263         (save_reg_p): ..into this.  Update all callers.
5264         (first_reg_to_save): Simplify.
5265
5266 2017-08-16  Alan Modra  <amodra@gmail.com>
5267
5268         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
5269         fixed regs.
5270
5271 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
5272
5273         PR target/78460
5274         PR target/67712
5275         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
5276         constant count if that count is less than 32.
5277
5278 2017-08-15  Nathan Sidwell  <nathan@acm.org>
5279
5280         * gcc.c (execute): Emit friendlier message if inferior is killed
5281         by an external cause.
5282
5283 2017-08-15  Richard Biener  <rguenther@suse.de>
5284
5285         PR tree-optimization/81790
5286         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
5287         CONSTRUCTORs from simplifying and VN.
5288
5289 2017-08-14  Martin Sebor  <msebor@redhat.com>
5290
5291         * builtin-attrs.def: Add comments.
5292
5293 2017-08-14  Martin Sebor  <msebor@redhat.com>
5294
5295         PR c/81117
5296         * doc/extend.texi (attribute nonstring): Document new attribute.
5297
5298 2017-08-14  Martin Sebor  <msebor@redhat.com>
5299
5300         PR c/81117
5301         * tree-diagnostic.c (default_tree_printer): Handle %G.
5302         * gimple-pretty-print.h (percent_G_format): Declare new function.
5303         * gimple-pretty-print.c (percent_G_format): Define.
5304         * tree-pretty-print.c (percent_K_format): Add argument.
5305
5306 2017-08-14  Martin Sebor  <msebor@redhat.com>
5307
5308         PR translation/79998
5309         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
5310         Remove a stray space.
5311
5312 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
5313
5314         PR target/46091
5315         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
5316         (*iordi_1_bts): Ditto.
5317         (*xordi_1_btc): Ditto.
5318
5319 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5320
5321         PR target/79845
5322         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
5323         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5324         Likewise.
5325         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
5326         quoted strings, and make more translator-friendly.
5327         (darwin_rs6000_override_options): Likewise.
5328         (rs6000_option_override_internal): Likewise.
5329         (rs6000_return_in_memory): Fix overlong line.
5330         (init_cmulative_args): Use quoted strings, and make more
5331         translator-friendly.
5332         (rs6000_pass_by_reference): Fix overlong line.
5333         (def_builtin): Use quoted strings.
5334         (altivec_expand_predicate_builtin): Use quoted strings, and make
5335         more translator-friendly.
5336         (htm_expand_builtin): Use quoted strings.
5337         (cpu_expand_builtin): Use quoted strings, and make more
5338         translator-friendly.
5339         (altivec_expand_builtin): Likewise.
5340         (paired_expand_predicate_builtin): Likewise.
5341         (rs6000_invalid_builtin): Likewise.
5342         (builtin_function_type): Use quoted strings.
5343         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
5344         more translator-friendly.
5345         (rs6000_trampoline_init): Likewise.
5346         (rs6000_handle_altivec_attribute): Likewise.
5347         (rs6000_inner_target_options): Use quoted strings.
5348         (rs6000_disable_incompatible_switches): Likewise.
5349         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
5350         strings, and make more translator-friendly.
5351         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
5352
5353 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
5354
5355         PR tree-optimization/81799
5356         * tree-loop-distribution.c (version_loop_by_alias_check): Force
5357         cond_expr to simple gimple operand.
5358
5359 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
5360
5361         PR middle-end/46932
5362         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
5363
5364 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
5365
5366         PR target/81754
5367         PR target/81268
5368         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
5369         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
5370         TARGET_GASISR_PROLOGUES.
5371         * config/avr/avr.c (avr_option_override): Same.
5372         (avr_pass_pre_proep::execute): Same.
5373
5374 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
5375
5376         PR target/81820
5377         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
5378         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
5379
5380 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
5381
5382         * config/i386/i386.md (*load_tp_<mode>): Redefine as
5383         define_insn_and_split.  Split to a memory load from 0 in
5384         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
5385         using PTR mode iterator.
5386         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
5387         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
5388         (*add_tp_<mode>): Redefine as define_insn_and_split.
5389         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
5390         address space.  Merge with *add_tp_x32 using PTR mode iterator.
5391         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
5392         Split to an add with a  memory load from 0 in
5393         DEFAULT_TLS_SEG_REG address space.
5394
5395 2017-08-12  Andrew Pinski  <apinski@cavium.com>
5396
5397         * config/aarch64/aarch64-option-extensions.def (rdma):
5398         Fix feature string to what Linux prints out in /proc/cpuinfo.
5399
5400 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
5401
5402         PR ada/79542
5403         * dwarf2out.c (modified_type_die): For C typedef types that have
5404         an ultimate origin, process the ultimate origin instead of the
5405         input type.
5406         (gen_typedef_die): Assert that input DECLs have no ultimate
5407         origin.
5408         (gen_type_die_with_usage): For typedef variants that have an
5409         ultimate origin, just call gen_decl_die on the original DECL.
5410         (process_scope_var): Avoid creating DIEs for local typedefs and
5411         concrete static variables.
5412
5413 2017-08-12  Alan Modra  <amodra@gmail.com>
5414
5415         PR target/81170
5416         PR target/81295
5417         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
5418         match gnu-user.h startfile.
5419         (ENDFILE_LINUX_SPEC): Similarly.
5420
5421 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
5422
5423         PR lto/81430
5424         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
5425         Remove function.
5426         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
5427
5428 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
5429         * config/aarch64/aarch64.md (mov<mode>): Change.
5430         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
5431         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
5432         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
5433
5434 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
5435
5436         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
5437         for storage order barriers.
5438
5439 2017-08-11  Martin Liska  <mliska@suse.cz>
5440
5441         PR tree-opt/79987
5442         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
5443         variables of void type.
5444
5445 2017-08-11  Martin Liska  <mliska@suse.cz>
5446
5447         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
5448         TARGET_SUPPORTS_ALIASES.
5449         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
5450         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
5451         (optimize_weakref): Likewise.
5452         * symtab.c (symtab_node::noninterposable_alias): Likewise.
5453         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
5454         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
5455
5456 2017-08-11  Martin Liska  <mliska@suse.cz>
5457
5458         PR ipa/81213
5459         * config/i386/i386.c (make_resolver_func): Do complete
5460         refactoring of the function.
5461
5462 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5463
5464         PR target/81708
5465         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
5466         * config/i386/i386.c (ix86_stack_protect_guard): Use
5467         ix86_stack_protect_guard_symbol_str to generate varible declaration.
5468         * doc/invoke.texi (x86 Options): Document
5469         -mstack-protector-guard-symbol= option.
5470
5471 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5472
5473         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
5474         * config/i386/i386.c (ix86_split_stack_guard): New function.
5475         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
5476         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
5477         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
5478         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
5479         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
5480         (split_stack_space_check): Call ix86_split_stack_guard.
5481
5482 2017-08-10  Martin Sebor  <msebor@redhat.com>
5483
5484         * print-tree.c (print_node): Print location using the established
5485         format %s:%i%i.
5486         Replace spaces with colons.
5487         (debug_raw, debug): Ditto.
5488
5489 2017-08-10  Martin Sebor  <msebor@redhat.com>
5490
5491         PR c++/81586
5492         * pretty-print.c (pp_format): Correct the handling of %s precision.
5493
5494 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5495
5496         PR target/81736
5497         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5498         to ...
5499         (ix86_finalize_stack_frame_flags): This.  Also clear
5500         frame_pointer_needed if -fno-omit-frame-pointer is used without
5501         stack access.
5502         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5503         with ix86_finalize_stack_frame_flags.
5504         (ix86_expand_epilogue): Likewise.
5505         (ix86_expand_split_stack_prologue): Likewise.
5506         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
5507
5508 2017-08-10  Martin Liska  <mliska@suse.cz>
5509
5510         PR c++/81355
5511         * c-attribs.c (handle_target_attribute):
5512         Report warning for an empty string argument of target attribute.
5513
5514 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
5515
5516         PR c/81687
5517         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
5518         LABEL_DECLs.
5519         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
5520         or DECL_NONLOCAL labels.
5521         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
5522         or DECL_NONLOCAL labels here.
5523
5524 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
5525
5526         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
5527         to indicate when early gimple folding has been disabled.
5528         (rs6000_gimple_fold_builtin): Add debug content.
5529         (rs6000_invalid_builtin): Fix whitespace.
5530         (rs6000_expand_builtin): Fix whitespace.
5531         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
5532
5533 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
5534
5535         PR target/80938
5536         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5537         SAVE_MULTIPLE if not all the registers that saves, should be saved.
5538
5539 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
5540
5541         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
5542         (qdf24xx): Likewise.
5543         * config/aarch64/aarch64.md: Include falkor.md.
5544         * config/aarch64/falkor.md: New.
5545
5546 2017-08-09  Marek Polacek  <polacek@redhat.com>
5547
5548         PR c/81233
5549         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
5550         * diagnostic.c (emit_diagnostic): Add a comment.
5551         (emit_diagnostic_valist): New function.
5552
5553 2017-08-09  Marek Polacek  <polacek@redhat.com>
5554
5555         PR c/81417
5556         * input.c (make_location): New overload.
5557         * input.h (make_location): Declare.
5558
5559 2017-08-08  Alan Modra  <amodra@gmail.com>
5560             H.J. Lu  <hongjiu.lu@intel.com>
5561
5562         PR driver/81523
5563         * gcc.c (NO_PIE_SPEC): Delete.
5564         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
5565         exclusion..
5566         (LINK_PIE_SPEC): ..to here.
5567         (LINK_COMMAND_SPEC): Support -no-pie.
5568         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
5569         chain of crtbegin*.o selection, update for PIE_SPEC changes and
5570         format.
5571         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
5572         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
5573         (ENDFILE_CRTEND_SPEC): Similarly.
5574
5575 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
5576
5577         PR target/81708
5578         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
5579         (mstack-protector-guard-offset=): Ditto.
5580         * config/i386/i386.c (ix86_option_override): Handle
5581         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
5582         options.
5583         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
5584         ix86_stack_protect_guard_offset variables.
5585         (TARGET_STACK_PROTECT_GUARD): Always define.
5586         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
5587         and -mstack-protector-guard-offset= options.
5588
5589 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5590
5591         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
5592         boundary case for the last candidate.
5593
5594 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5595
5596         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
5597         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
5598
5599 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5600
5601         PR middle-end/19706
5602         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
5603         * config/aarch64/aarch64-builtins.c
5604         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
5605         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
5606         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
5607
5608 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5609             Andrew Pinski <pinskia@gmail.com>
5610
5611         PR middle-end/19706
5612         * internal-fn.def (XORSIGN): New.
5613         * optabs.def (xorsign_optab): New.
5614         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
5615         (convert_expand_mult_copysign): New.
5616         (pass_optimize_widening_mul::execute): Call
5617         convert_expand_mult_copysign.
5618
5619 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5620
5621         PR tree-optimization/81354
5622         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
5623         Insert on edges rather than explicitly creating landing pads.
5624         (analyze_candidates_and_replace): Commit edge inserts.
5625
5626 2017-08-08  Richard Biener  <rguenther@suse.de>
5627
5628         PR middle-end/81719
5629         * tree-ssa-loop-niter.c: Include tree-dfa.h.
5630         (expand_simple_operations): Also look through ADDR_EXPRs with
5631         MEM_REF bases treating them as POINTER_PLUS_EXPR.
5632
5633 2017-08-08  Richard Biener  <rguenther@suse.de>
5634
5635         PR tree-optimization/81723
5636         * tree-vect-slp.c (struct bst_traits): New hash traits.
5637         (bst_fail): New global.
5638         (vect_build_slp_tree_2): New worker, split out from ...
5639         (vect_build_slp_tree): ... this now wrapping it with using
5640         bst_fail set to cache SLP tree build fails.  Properly handle
5641         max_tree_size.
5642         (vect_analyze_slp_instance): Allocate and free bst_fail.
5643
5644 2017-08-08  Martin Liska  <mliska@suse.cz>
5645
5646         PR tree-opt/81696
5647         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
5648         LABEL_DECLs that can be from a different function.
5649
5650 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5651
5652         PR tree-optimization/81744
5653         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
5654         loop's number of iterations.
5655
5656 2017-08-08  Martin Liska  <mliska@suse.cz>
5657
5658         * asan.c: Include header files.
5659         * attribs.c (build_decl_attribute_variant): New function moved
5660         from tree.[ch].
5661         (build_type_attribute_qual_variant): Likewise.
5662         (cmp_attrib_identifiers): Likewise.
5663         (simple_cst_list_equal): Likewise.
5664         (omp_declare_simd_clauses_equal): Likewise.
5665         (attribute_value_equal): Likewise.
5666         (comp_type_attributes): Likewise.
5667         (build_type_attribute_variant): Likewise.
5668         (lookup_ident_attribute): Likewise.
5669         (remove_attribute): Likewise.
5670         (merge_attributes): Likewise.
5671         (merge_type_attributes): Likewise.
5672         (merge_decl_attributes): Likewise.
5673         (merge_dllimport_decl_attributes): Likewise.
5674         (handle_dll_attribute): Likewise.
5675         (attribute_list_equal): Likewise.
5676         (attribute_list_contained): Likewise.
5677         * attribs.h (lookup_attribute): New function moved from tree.[ch].
5678         (lookup_attribute_by_prefix): Likewise.
5679         * bb-reorder.c: Include header files.
5680         * builtins.c: Likewise.
5681         * calls.c: Likewise.
5682         * cfgexpand.c: Likewise.
5683         * cgraph.c: Likewise.
5684         * cgraphunit.c: Likewise.
5685         * convert.c: Likewise.
5686         * dwarf2out.c: Likewise.
5687         * final.c: Likewise.
5688         * fold-const.c: Likewise.
5689         * function.c: Likewise.
5690         * gimple-expr.c: Likewise.
5691         * gimple-fold.c: Likewise.
5692         * gimple-pretty-print.c: Likewise.
5693         * gimple.c: Likewise.
5694         * gimplify.c: Likewise.
5695         * hsa-common.c: Likewise.
5696         * hsa-gen.c: Likewise.
5697         * internal-fn.c: Likewise.
5698         * ipa-chkp.c: Likewise.
5699         * ipa-cp.c: Likewise.
5700         * ipa-devirt.c: Likewise.
5701         * ipa-fnsummary.c: Likewise.
5702         * ipa-inline.c: Likewise.
5703         * ipa-visibility.c: Likewise.
5704         * ipa.c: Likewise.
5705         * lto-cgraph.c: Likewise.
5706         * omp-expand.c: Likewise.
5707         * omp-general.c: Likewise.
5708         * omp-low.c: Likewise.
5709         * omp-offload.c: Likewise.
5710         * omp-simd-clone.c: Likewise.
5711         * opts-global.c: Likewise.
5712         * passes.c: Likewise.
5713         * predict.c: Likewise.
5714         * sancov.c: Likewise.
5715         * sanopt.c: Likewise.
5716         * symtab.c: Likewise.
5717         * toplev.c: Likewise.
5718         * trans-mem.c: Likewise.
5719         * tree-chkp.c: Likewise.
5720         * tree-eh.c: Likewise.
5721         * tree-into-ssa.c: Likewise.
5722         * tree-object-size.c: Likewise.
5723         * tree-parloops.c: Likewise.
5724         * tree-profile.c: Likewise.
5725         * tree-ssa-ccp.c: Likewise.
5726         * tree-ssa-live.c: Likewise.
5727         * tree-ssa-loop.c: Likewise.
5728         * tree-ssa-sccvn.c: Likewise.
5729         * tree-ssa-structalias.c: Likewise.
5730         * tree-ssa.c: Likewise.
5731         * tree-streamer-in.c: Likewise.
5732         * tree-vectorizer.c: Likewise.
5733         * tree-vrp.c: Likewise.
5734         * tsan.c: Likewise.
5735         * ubsan.c: Likewise.
5736         * varasm.c: Likewise.
5737         * varpool.c: Likewise.
5738         * tree.c: Remove functions moved to attribs.[ch].
5739         * tree.h: Likewise.
5740         * config/aarch64/aarch64.c: Add attrs.h header file.
5741         * config/alpha/alpha.c: Likewise.
5742         * config/arc/arc.c: Likewise.
5743         * config/arm/arm.c: Likewise.
5744         * config/avr/avr.c: Likewise.
5745         * config/bfin/bfin.c: Likewise.
5746         * config/c6x/c6x.c: Likewise.
5747         * config/cr16/cr16.c: Likewise.
5748         * config/cris/cris.c: Likewise.
5749         * config/darwin.c: Likewise.
5750         * config/epiphany/epiphany.c: Likewise.
5751         * config/fr30/fr30.c: Likewise.
5752         * config/frv/frv.c: Likewise.
5753         * config/ft32/ft32.c: Likewise.
5754         * config/h8300/h8300.c: Likewise.
5755         * config/i386/winnt.c: Likewise.
5756         * config/ia64/ia64.c: Likewise.
5757         * config/iq2000/iq2000.c: Likewise.
5758         * config/lm32/lm32.c: Likewise.
5759         * config/m32c/m32c.c: Likewise.
5760         * config/m32r/m32r.c: Likewise.
5761         * config/m68k/m68k.c: Likewise.
5762         * config/mcore/mcore.c: Likewise.
5763         * config/microblaze/microblaze.c: Likewise.
5764         * config/mips/mips.c: Likewise.
5765         * config/mmix/mmix.c: Likewise.
5766         * config/mn10300/mn10300.c: Likewise.
5767         * config/moxie/moxie.c: Likewise.
5768         * config/msp430/msp430.c: Likewise.
5769         * config/nds32/nds32-isr.c: Likewise.
5770         * config/nds32/nds32.c: Likewise.
5771         * config/nios2/nios2.c: Likewise.
5772         * config/nvptx/nvptx.c: Likewise.
5773         * config/pa/pa.c: Likewise.
5774         * config/pdp11/pdp11.c: Likewise.
5775         * config/powerpcspe/powerpcspe.c: Likewise.
5776         * config/riscv/riscv.c: Likewise.
5777         * config/rl78/rl78.c: Likewise.
5778         * config/rx/rx.c: Likewise.
5779         * config/s390/s390.c: Likewise.
5780         * config/sh/sh.c: Likewise.
5781         * config/sol2.c: Likewise.
5782         * config/sparc/sparc.c: Likewise.
5783         * config/spu/spu.c: Likewise.
5784         * config/stormy16/stormy16.c: Likewise.
5785         * config/tilegx/tilegx.c: Likewise.
5786         * config/tilepro/tilepro.c: Likewise.
5787         * config/v850/v850.c: Likewise.
5788         * config/vax/vax.c: Likewise.
5789         * config/visium/visium.c: Likewise.
5790         * config/xtensa/xtensa.c: Likewise.
5791
5792 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
5793
5794         PR target/81593
5795         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
5796         constraints since the -mupper-regs-* switches have been
5797         eliminated.
5798         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
5799         into a vector from a double word element that was extracted from
5800         another vector, and eliminate extra XXPERMDI instructions.
5801         (vsx_concat_<mode>_2): Likewise.
5802         (vsx_concat_<mode>_3): Likewise.
5803         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
5804         concat to allow optimizing inserts from previous extracts.
5805
5806 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
5807
5808         * config/i386/i386.c (ix86_stack_protect_guard): Generate
5809         memory reference to a SSP offset in TLS address space.
5810         (ix86_print_operand) <case '@'>: Remove.
5811         (ix86_print_operand_punct_valid_p): Remove '@' code.
5812         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
5813         UNSPEC_SP_TLS_TEST.
5814         (stack_tls_protect_set_<mode>): Remove.
5815         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
5816         (stack_tls_protect_test_<mode>): Remove.
5817         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
5818
5819 2017-08-07  Olivier Hainque  <hainque@adacore.com>
5820
5821         PR target/81755
5822         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
5823
5824 2017-08-07  Douglas Rupp  <rupp@adacore.com>
5825
5826         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
5827         variable was referenced as multidir in command.
5828
5829 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5830
5831         PR c/69389
5832         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
5833         BIT_FIELD_REF.
5834
5835 2017-08-07  Martin Liska  <mliska@suse.cz>
5836
5837         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
5838         * config/rl78/rl78.c: Add include of attribs.h.
5839         * config/sh/sh.c: Likewise.
5840         * config/v850/v850.c: Likewise.
5841
5842 2017-08-07  Tom de Vries  <tom@codesourcery.com>
5843
5844         PR middle-end/78266
5845         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
5846
5847 2017-08-07  Martin Liska  <mliska@suse.cz>
5848
5849         * config/mips/mips.c: Include attribs.h.
5850
5851 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
5852
5853         PR fortran/68829
5854         * doc/invoke.texi: Document change in behvaior for -Ofast for
5855         Fortran.
5856
5857 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
5858
5859         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
5860         Use gen_frame_mem.
5861         (aarch64_pop_regs): Likewise.
5862         (aarch64_gen_load_pair): Likewise.
5863         (aarch64_save_callee_saves): Likewise.
5864         (aarch64_restore_callee_saves): Likewise.
5865
5866 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5867
5868         * config/i386/i386.c: Revert the last change.
5869
5870 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5871
5872         PR target/81736
5873         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5874         to ...
5875         (ix86_finalize_stack_frame_flags): This.  Also clear
5876         frame_pointer_needed if -fno-omit-frame-pointer is used without
5877         stack access.
5878         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5879         with ix86_finalize_stack_frame_flags.
5880         (ix86_expand_epilogue): Likewise.
5881         (ix86_expand_split_stack_prologue): Likewise.
5882
5883 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5884
5885         PR target/81743
5886         * config/i386/i386.c (get_builtin_code_for_version): Set priority
5887         to P_AES for Westmere.
5888
5889 2017-08-07  Jonathan Yong  <10walls@gmail.com>
5890
5891         * config/i386/mingw.opt (fset-stack-executable): Removed.
5892         * config/i386/cygming.opt (fset-stack-executable): Moved
5893         from mingw.opt.
5894         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
5895
5896 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
5897
5898         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
5899
5900 2017-08-07  Marek Polacek  <polacek@redhat.com>
5901
5902         PR middle-end/81737
5903         * fold-const.c (fold_indirect_ref_1): Check type_domain.
5904
5905 2017-08-07  Martin Liska  <mliska@suse.cz>
5906
5907         * attribs.h (canonicalize_attr_name): New function.
5908         (cmp_attribs): Move from c-format.c and adjusted.
5909         (is_attribute_p): Moved from tree.h.
5910         * tree-inline.c: Add new includes.
5911         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
5912         (private_is_attribute_p): Remove.
5913         (private_lookup_attribute): Likewise.
5914         (private_lookup_attribute_by_prefix): Simplify.
5915         (remove_attribute): Use is_attribute_p.
5916         * tree.h: Remove removed declarations.
5917
5918 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5919
5920         PR middle-end/81698
5921         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
5922         instead of computing it in the function.  Formatting fix.
5923         (expand_case): Don't rely on default_edge being the first edge,
5924         clear it if removing it, pass default_edge to
5925         emit_case_dispatch_table.
5926         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
5927         fix.
5928
5929 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
5930
5931         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
5932         insn in the function, emit NOP after the insn.
5933
5934 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5935
5936         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
5937         and element loops.
5938
5939 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5940
5941         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
5942         loop.
5943
5944 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
5945
5946         PR tree-optimization/57371
5947         * match.pd: New pattern.
5948
5949 2017-08-04  Marek Polacek  <polacek@redhat.com>
5950
5951         PR middle-end/81695
5952         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
5953         perform the computation in offset_int.
5954
5955 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5956
5957         PR tree-optimization/81136
5958         * tree-vectorizer.h: Include tree-hash-traits.h.
5959         (vec_base_alignments): New typedef.
5960         (vec_info): Add a base_alignments field.
5961         (vect_record_base_alignments): Declare.
5962         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
5963         field.
5964         (DR_IS_CONDITIONAL_IN_STMT): New macro.
5965         (create_data_ref): Add an is_conditional_in_stmt argument.
5966         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
5967         the is_conditional_in_stmt field.
5968         (data_ref_loc): Add an is_conditional_in_stmt field.
5969         (get_references_in_stmt): Set the is_conditional_in_stmt field.
5970         (find_data_references_in_stmt): Update call to create_data_ref.
5971         (graphite_find_data_references_in_stmt): Likewise.
5972         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5973         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
5974         (vect_record_base_alignment): New function.
5975         (vect_record_base_alignments): Likewise.
5976         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
5977         for nested statements even if we fail to compute a misalignment.
5978         Use pooled base alignments for unconditional references.
5979         (vect_find_same_alignment_drs): Compare base addresses instead
5980         of base objects.
5981         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
5982         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
5983
5984 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5985
5986         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
5987         Add an explicit name for the enum.  Use auto_vec for slp_instances
5988         and grouped_stores.
5989         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
5990         for all vectors.
5991         (_bb_vec_info): Add a constructor and destructor.
5992         (vinfo_for_stmt): Return NULL for uids of -1 as well.
5993         (destroy_loop_vec_info): Delete.
5994         (vect_destroy_datarefs): Likewise.
5995         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
5996         (vec_info::vec_info): New function.
5997         (vec_info::~vec_info): Likewise.
5998         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
5999         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
6000         destroy_loop_vec_info.
6001         * tree-vect-loop.c (new_loop_vec_info): Replace with...
6002         (_loop_vec_info::_loop_vec_info): ...this.
6003         (destroy_loop_vec_info): Replace with...
6004         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
6005         the stmt_vec_infos.  Leave handling of vec_info information to its
6006         destructor.  Remove explicit vector releases.
6007         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
6008         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
6009         * tree-vect-slp.c (new_bb_vec_info): Replace with...
6010         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
6011         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
6012         (destroy_bb_vec_info): Replace with...
6013         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
6014         information to its destructor.
6015         (vect_slp_analyze_bb_1): Use new and delete instead of
6016         new_bb_vec_info and destroy_bb_vec_info.
6017         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
6018         single delete.
6019
6020 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6021
6022         * tree-data-ref.h (subscript): Add access_fn field.
6023         (data_dependence_relation): Add could_be_independent_p.
6024         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
6025         (same_access_functions): Move to tree-data-ref.c.
6026         * tree-data-ref.c (ref_contains_union_access_p): New function.
6027         (access_fn_component_p): Likewise.
6028         (access_fn_components_comparable_p): Likewise.
6029         (dr_analyze_indices): Add a reference to access_fn_component_p.
6030         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
6031         DR_ACCESS_FN.
6032         (constant_access_functions): Likewise.
6033         (add_other_self_distances): Likewise.
6034         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
6035         (initialize_data_dependence_relation): Use XCNEW and remove
6036         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
6037         of access functions that have the same type.  Allow the
6038         subsequence to end with different bases in some circumstances.
6039         Record the chosen access functions in SUB_ACCESS_FN.
6040         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
6041         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
6042         (subscript_dependence_tester_1): Likewise dra and drb.
6043         (build_classic_dist_vector): Update calls accordingly.
6044         (subscript_dependence_tester): Likewise.
6045         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
6046         DDR_COULD_BE_INDEPENDENT_P.
6047         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
6048         comp_alias_ddrs instead of may_alias_ddrs.
6049         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
6050         New function.
6051         (vect_analyze_data_ref_dependence): Use it if
6052         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
6053         distance vectors if that fails.
6054         (dependence_distance_ge_vf): New function.
6055         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
6056         LOOP_VINFO_MAY_ALIAS_DDRS.
6057
6058 2017-08-04  Richard Biener  <rguenther@suse.de>
6059
6060         PR middle-end/81705
6061         * fold-const.c (fold_binary_loc): Properly restrict
6062         minus_var0 && minus_var1 case when associating undefined overflow
6063         entities.
6064
6065 2017-08-04  Tom de Vries  <tom@codesourcery.com>
6066
6067         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
6068
6069 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6070
6071         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6072         Don't start diagnostic messages with a capital letter.
6073         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6074         Likewise.
6075         (rs6000_invalid_builtin): Likewise.
6076         (rs6000_trampoline_init): Likewise.
6077
6078 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6079
6080         PR target/81621
6081         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
6082         after setting changeable df flags.
6083
6084 2017-08-03  Richard Biener  <rguenther@suse.de>
6085
6086         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
6087         up if the use is in USE - X.
6088
6089 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
6090
6091         * toplev.c (dumpfile.h): New include.
6092         (internal_error_reentered): New static function.  Use it...
6093         (internal_error_function): ...here to handle reentered internal_error.
6094
6095 2017-08-03  Richard Biener  <rguenther@suse.de>
6096
6097         PR middle-end/81148
6098         * fold-const.c (split_tree): Add minus_var and minus_con
6099         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
6100         here but always use minus_*.
6101         (associate_trees): Assert we never associate with MINUS_EXPR
6102         and NULL first operand.  Do not recurse for PLUS_EXPR operands
6103         when associating as MINUS_EXPR either.
6104         (fold_binary_loc): Track minus_var and minus_con.
6105
6106 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6107
6108         PR lto/81430
6109         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
6110         ACCEL_COMPILER, apply finish_options on
6111         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
6112
6113 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6114
6115         PR target/81662
6116         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
6117         function_entry_patch_area_size > 0.
6118
6119 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6120
6121         PR driver/81650
6122         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
6123         instead of 10??LU, perform unit multiplication in wide_int,
6124         don't change alloc_object_size_limit if the limit is larger
6125         than SSIZE_MAX.
6126
6127         PR tree-optimization/81655
6128         PR tree-optimization/81588
6129         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
6130         the case when ranges[i].low and high are 1 for unsigned type with
6131         precision 1.
6132
6133         PR middle-end/81052
6134         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
6135         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
6136
6137 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6138
6139         * tree-vrp.h: Add include guard.
6140
6141 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
6142
6143         PR target/81644
6144         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
6145         (ud2): New insn pattern.
6146         * config/i386/i386.c (ix86_expand_epilogue):
6147         For naked functions, generate ud2 instead of trap insn.
6148
6149 2017-08-02  Marek Polacek  <polacek@redhat.com>
6150
6151         PR other/81667
6152         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
6153
6154 2017-08-02  Tom de Vries  <tom@codesourcery.com>
6155             Cesar Philippidis  <cesar@codesourcery.com>
6156
6157         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
6158         Add missing edge probabilities.
6159
6160 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
6161
6162         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
6163         Correct endianness.
6164
6165 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
6166
6167         PR middle-end/79499
6168         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
6169         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
6170         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
6171         prologue_seq sequences - if any.
6172
6173 2017-08-02  Richard Biener  <rguenther@suse.de>
6174
6175         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
6176         via vectors if supported, integer extracts via punning if supported
6177         or otherwise vector extracts.
6178
6179 2017-08-02  Richard Biener  <rguenther@suse.de>
6180
6181         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
6182         into ...
6183         (bitmap_insert_into_set): ... this.
6184
6185 2017-08-02  Richard Biener  <rguenther@suse.de>
6186
6187         PR tree-optimization/81633
6188         Revert
6189         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
6190
6191         PR tree-optimization/71752
6192         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
6193
6194 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
6195
6196         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
6197         (machine_function::call_ms2sysv_pad_out): Remove field.
6198         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
6199         (ix86_compute_frame_layout): Likewise.
6200
6201 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
6202
6203         PR target/81654
6204         * config/i386/i386.c (ix86_set_func_type): Disallow naked
6205         attribute with interrupt attribute.
6206
6207 2017-08-01  Andrew Pinski  <apinski@cavium.com>
6208
6209         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
6210         BIT_INSERT_EXPR's operand 1
6211         to see if the types precision matches.
6212
6213 2017-08-01  Martin Liska  <mliska@suse.cz>
6214
6215         PR middle-end/70140
6216         * builtins.c (expand_builtin_memcpy_args): Remove.
6217         (expand_builtin_memcpy): Call newly added function
6218         expand_builtin_memory_copy_args.
6219         (expand_builtin_memcpy_with_bounds): Likewise.
6220         (expand_builtin_mempcpy): Remove last argument.
6221         (expand_builtin_mempcpy_with_bounds): Likewise.
6222         (expand_builtin_memory_copy_args): New function created from
6223         expand_builtin_mempcpy_args with small modifications.
6224         (expand_builtin_mempcpy_args): Remove.
6225         (expand_builtin_stpcpy): Remove unused argument.
6226         (expand_builtin): Likewise.
6227         (expand_builtin_with_bounds): Likewise.
6228
6229 2017-08-01  Martin Liska  <mliska@suse.cz>
6230
6231         Revert r250771
6232         Make mempcpy more optimal (PR middle-end/70140).
6233
6234 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6235
6236         PR target/81622
6237         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
6238         __builtin_vec_cmpne verify both arguments are compatible vectors
6239         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
6240         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
6241         move computation of aligned to after checking the argument types.
6242         Formatting fixes.
6243
6244         PR target/80846
6245         * config/rs6000/vsx.md (vextract_fp_from_shorth,
6246         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
6247         calls.
6248
6249 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
6250             Doug Rupp  <rupp@adacore.com>
6251             Olivier Hainque  <hainque@adacore.com>
6252
6253         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
6254         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
6255         arm8 (arch v4).
6256         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
6257         for TARGET_OS_CPP_BUILTIN.
6258         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
6259         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
6260         arm_arch7.
6261         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
6262         passing required abi options to the assembler for EABI configurations.
6263         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
6264         of .text.hot and .text.unlikely sections for kernel modules when
6265         using ARM style exceptions.
6266         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
6267         options. Add EXTRA_CC1_SPEC.
6268         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
6269         toolchain options.
6270         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
6271         transition.
6272         (ARM_TARGET2_DWARF_FORMAT): Define.
6273         * config/arm/t-vxworks: Adjust multilib control to removal of the
6274         Diab command line options.
6275
6276 2017-08-01  Martin Liska  <mliska@suse.cz>
6277
6278         PR gcov-profile/81561
6279         * gcov.c (unblock): Make unblocking safe as we need to preserve
6280         index correspondence of blocks and block_lists.
6281
6282 2017-08-01  Richard Biener  <rguenther@suse.de>
6283
6284         PR tree-optimization/81181
6285         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
6286         (compute_antic): ... end of iteration here.
6287
6288 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
6289
6290         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
6291         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
6292         (ftree-slp-vectorize): Likewise.
6293         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
6294         can no longer be set independent of flag_tree_loop_vectorize.
6295         * omp-general.c (emp_max_vf): Likewise.
6296         * opts.c (enable_fdo_optimizations): Remove references to
6297         flag_tree_vectorize, these are now implicit.
6298         (common_handle_option): Remove handling for OPT_ftree_vectorize,
6299         and leave it for the options machinery.
6300
6301 2017-08-01  Martin Liska  <mliska@suse.cz>
6302
6303         PR middle-end/70140
6304         * builtins.c (expand_builtin_memcpy_args): Remove.
6305         (expand_builtin_memcpy): Call newly added function
6306         expand_builtin_memory_copy_args.
6307         (expand_builtin_memcpy_with_bounds): Likewise.
6308         (expand_builtin_mempcpy): Remove last argument.
6309         (expand_builtin_mempcpy_with_bounds): Likewise.
6310         (expand_builtin_memory_copy_args): New function created from
6311         expand_builtin_mempcpy_args with small modifications.
6312         (expand_builtin_mempcpy_args): Remove.
6313         (expand_builtin_stpcpy): Remove unused argument.
6314         (expand_builtin): Likewise.
6315         (expand_builtin_with_bounds): Likewise.
6316
6317 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6318
6319         PR target/81641
6320         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
6321         print "ds:" only for immediates in generic address space.
6322
6323 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6324
6325         PR target/81639
6326         * config/i386/i386.c (ix86_funciton_naked): New prototype.
6327         (ix86_function_ok_for_sibcall): Return false for naked functions.
6328
6329 2017-08-01  Richard Biener  <rguenther@suse.de>
6330
6331         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
6332         (compute_antic): Seed worklist with exit block predecessors.
6333         * cfganal.c (dfs_find_deadend): For a cycle return the source
6334         of the edge closing it.
6335
6336 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
6337
6338         * config/aarch64/aarch64.c
6339         (aarch64_can_const_movi_rtx_p): Move 0 check.
6340
6341 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6342
6343         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
6344         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
6345         above macro.
6346         * match.pd: Ditto in address comparison pattern.
6347
6348 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6349
6350         PR tree-optimization/81627
6351         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
6352         closed ssa form for store-store chain.
6353
6354 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6355
6356         PR tree-optimization/81620
6357         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
6358         for store-store chain.
6359
6360 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6361
6362         PR tree-optimization/81588
6363         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
6364         ranges[i].in_p, invert comparison code ccode.  For >/>=,
6365         swap rhs1 and rhs2 and comparison code unconditionally,
6366         for </<= don't do that.  Don't swap rhs1/rhs2 again if
6367         ranges[i].in_p, instead invert comparison code ccode if
6368         opcode or oe->rank is BIT_IOR_EXPR.
6369
6370         PR target/80846
6371         * optabs.def (vec_extract_optab, vec_init_optab): Change from
6372         a direct optab to conversion optab.
6373         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
6374         with GET_MODE_INNER as last argument instead of optab_handler.
6375         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
6376         vector extraction if possible and optab is available.
6377         * expr.c (store_constructor): Use convert_optab_handler instead
6378         of optab_handler.  Use vector initialization from smaller
6379         vectors if possible and optab is available.
6380         * tree-vect-stmts.c (vectorizable_load): Likewise.
6381         * doc/md.texi (vec_extract, vec_init): Document that the optabs
6382         now have two modes.
6383         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
6384         of vec_init from half-sized vectors with the same element mode.
6385         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
6386         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
6387         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
6388         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
6389         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
6390         after mode in gen_vec_extract* calls.
6391         (vec_extract<mode>): Renamed to ...
6392         (vec_extract<mode><ssescalarmodelower>): ... this.
6393         (vec_extract<mode><ssehalfvecmodelower>): New expander.
6394         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
6395         element mode after mode in gen_vec_init* calls.
6396         (VEC_INIT_HALF_MODE): New mode iterator.
6397         (vec_init<mode>): Renamed to ...
6398         (vec_init<mode><ssescalarmodelower>): ... this.
6399         (vec_init<mode><ssehalfvecmodelower>): New expander.
6400         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
6401         (vec_extractv2sfsf): ... this.
6402         (vec_initv2sf): Renamed to ...
6403         (vec_initv2sfsf): ... this.
6404         (vec_extractv2si): Renamed to ...
6405         (vec_extractv2sisi): ... this.
6406         (vec_initv2si): Renamed to ...
6407         (vec_initv2sisi): ... this.
6408         (vec_extractv4hi): Renamed to ...
6409         (vec_extractv4hihi): ... this.
6410         (vec_initv4hi): Renamed to ...
6411         (vec_initv4hihi): ... this.
6412         (vec_extractv8qi): Renamed to ...
6413         (vec_extractv8qiqi): ... this.
6414         (vec_initv8qi): Renamed to ...
6415         (vec_initv8qiqi): ... this.
6416         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
6417         (vec_init<mode>): Renamed to ...
6418         (vec_init<mode><VEC_base_l>): ... this.
6419         (vec_extract<mode>): Renamed to ...
6420         (vec_extract<mode><VEC_base_l>): ... this.
6421         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
6422         (vec_initv2sfsf): ... this.
6423         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
6424         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6425         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
6426         element mode after mode in gen_vec_init* calls.
6427         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
6428         (vec_init<mode><Vel>): ... this.
6429         (vec_extract<mode>): Renamed to ...
6430         (vec_extract<mode><Vel>): ... this.
6431         * config/aarch64/iterators.md (Vel): New mode attribute.
6432         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
6433         Add element mode after mode in gen_vec_extract* calls.
6434         * config/s390/vector.md (non_vec_l): New mode attribute.
6435         (vec_extract<mode>): Renamed to ...
6436         (vec_extract<mode><non_vec_l>): ... this.
6437         (vec_init<mode>): Renamed to ...
6438         (vec_init<mode><non_vec_l>): ... this.
6439         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
6440         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
6441         vec_extract mode.
6442         * config/arm/iterators.md (V_elem_l): New mode attribute.
6443         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
6444         (vec_extract<mode><V_elem_l>): ... this.
6445         (vec_extractv2di): Renamed to ...
6446         (vec_extractv2didi): ... this.
6447         (vec_init<mode>): Renamed to ...
6448         (vec_init<mode><V_elem_l>): ... this.
6449         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
6450         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
6451         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
6452         Add element mode after gen_vec_extract* calls.
6453         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
6454         (vec_init<mode><unitmode>): ... this.
6455         (vec_extract<mode>): Renamed to ...
6456         (vec_extract<mode><unitmode>): ... this.
6457         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
6458         (vec_init<mode><unitmode>): ... this.
6459         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
6460         (vec_initv2sfsf): ... this.
6461         (vec_extractv2sf): Renamed to ...
6462         (vec_extractv2sfsf): ... this.
6463         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
6464         Add element mode after gen_vec_extract* calls.
6465         * config/mips/mips.md (unitmode): New mode iterator.
6466         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
6467         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
6468         * config/spu/spu.md (inner_l): New mode attribute.
6469         (vec_init<mode>): Renamed to ...
6470         (vec_init<mode><inner_l>): ... this.
6471         (vec_extract<mode>): Renamed to ...
6472         (vec_extract<mode><inner_l>): ... this.
6473         * config/sparc/sparc.md (veltmode): New mode iterator.
6474         (vec_init<VMALL:mode>): Renamed to ...
6475         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
6476         * config/ia64/vect.md (vec_initv2si): Renamed to ...
6477         (vec_initv2sisi): ... this.
6478         (vec_initv2sf): Renamed to ...
6479         (vec_initv2sfsf): ... this.
6480         (vec_extractv2sf): Renamed to ...
6481         (vec_extractv2sfsf): ... this.
6482         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
6483         (vec_init<mode>): Renamed to ...
6484         (vec_init<mode><VEC_base_l>): ... this.
6485         (vec_extract<mode>): Renamed to ...
6486         (vec_extract<mode><VEC_base_l>): ... this.
6487         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
6488         (vec_initv2sfsf): ... this.
6489         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
6490         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6491         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
6492         gen_vec_init* calls.
6493
6494 2017-08-01  Richard Biener  <rguenther@suse.de>
6495
6496         PR tree-optimization/81297
6497         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
6498         TREE_OVERFLOW from INTEGER_CSTs.
6499
6500 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
6501
6502         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
6503
6504 2017-07-31  Carl Love  <cel@us.ibm.com>
6505
6506         * config/rs6000/rs6000-c: Add support for built-in functions
6507         vector signed char vec_xl_be (signed long long, signed char *);
6508         vector unsigned char vec_xl_be (signed long long, unsigned char *);
6509         vector signed int vec_xl_be (signed long long, signed int *);
6510         vector unsigned int vec_xl_be (signed long long, unsigned int *);
6511         vector signed long long vec_xl_be (signed long long, signed long long *);
6512         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
6513         vector signed short vec_xl_be (signed long long, signed short *);
6514         vector unsigned short vec_xl_be (signed long long, unsigned short *);
6515         vector double vec_xl_be (signed long long, double *);
6516         vector float vec_xl_be (signed long long, float *);
6517         * config/rs6000/altivec.h (vec_xl_be): Add #define.
6518         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
6519         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
6520         for the builtins.
6521         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
6522         (altivec_expand_builtin): Add switch statement to call
6523         altivec_expand_xl_be for each builtin.
6524         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
6525         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
6526         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
6527         __builtin_vsx_le_be_v16qi.
6528         * doc/extend.texi: Update the built-in documentation file for the
6529         new built-in functions.
6530
6531 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6532
6533         PR target/25967
6534         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
6535         New function.
6536         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
6537
6538 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6539
6540         * config.gcc: Add z14.
6541         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
6542         CPU model numbers for z13s and z14.
6543         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
6544         arch12 with z14.
6545         * config/s390/s390-opts.h (enum processor_type): Rename
6546         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6547         * config/s390/s390.c (processor_table): Add field for CPU name to
6548         be passed to Binutils.
6549         (s390_asm_output_machine_for_arch): Use the new field in
6550         processor_table for Binutils.
6551         (s390_expand_builtin): Replace arch12 with z14.
6552         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6553         (s390_get_sched_attrmask): Likewise.
6554         (s390_get_unit_mask): Likewise.
6555         * config/s390/s390.opt: Add z14 to processor_type enum.
6556
6557 2017-07-31  Martin Jambor  <mjambor@suse.cz>
6558
6559         PR hsa/81477
6560         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
6561         regardless of optimization level.
6562
6563 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
6564             Martin Liska  <mliska@suse.cz>
6565
6566         * predict.def: Remove old comment and adjust probability.
6567         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
6568         PREDICT statements.
6569
6570 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6571
6572         PR target/25967
6573         * config/i386/i386.c (ix86_function_naked): New function.
6574         (ix86_can_use_return_insn_p): Return false for naked functions.
6575         (ix86_expand_prologue): Skip prologue for naked functions.
6576         (ix86_expand_epilogue): Skip epilogue for naked functions
6577         and emit trap instruction.
6578         (ix86_warn_func_return): New function.
6579         (ix86_attribute_table): Add "naked" attribute specification.
6580         (TARGET_WARN_FUNC_RETURN): Define.
6581         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
6582
6583 2017-07-31  Martin Liska  <mliska@suse.cz>
6584
6585         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
6586         (dump_gimple_bb_header): Always dump BB info.
6587         (pp_cfg_jump): Do not append info about BB when dumping a jump.
6588
6589 2017-07-31  Martin Liska  <mliska@suse.cz>
6590
6591         PR sanitize/81530
6592         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
6593         also with current_function_decl non-null equality.
6594
6595 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
6596
6597         PR sanitizer/81604
6598         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
6599         change type to the element type, instead add eltype variable and
6600         use it where we are interested in the element type.
6601
6602         PR tree-optimization/81603
6603         * ipa-polymorphic-call.c
6604         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
6605         offset arithmetic in offset_int, bail out if the resulting bit offset
6606         doesn't fit into shwi.
6607
6608 2017-07-31  Martin Liska  <mliska@suse.cz>
6609
6610         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
6611         (gimplify_save_expr): Fix comment.
6612
6613 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
6614
6615         PR target/79793
6616         * config/i386/i386.c (ix86_function_arg): Update arguments for
6617         exception handler.
6618         (ix86_compute_frame_layout): Set the initial stack offset to
6619         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
6620         INCOMING_FRAME_SP_OFFSET.
6621         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
6622         stack before exception handler returns.
6623         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
6624         the 'ERROR_CODE' for exception handler.
6625
6626 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
6627
6628         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
6629         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
6630         (ASM_OUTPUT_REG_POP): Ditto.
6631         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
6632         instead of asm_fprintf to output pure string.
6633
6634 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
6635
6636         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
6637         to imported_module_or_decl hook.
6638         (debug_nothing_tree_tree_tree_bool): Remove.
6639         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
6640         * debug.c (do_nothing_debug_hooks): Use
6641         debug_nothing_tree_tree_tree_bool_bool instead of
6642         debug_nothing_tree_tree_tree_bool.
6643         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
6644         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
6645         * sdbout.c (sdb_debug_hooks): Likewise.
6646         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
6647         (gen_namespace_die): Add DW_AT_export_symbols attribute if
6648         langhook wants it.
6649         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
6650         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
6651         attribute, don't add anything.
6652
6653 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6654
6655         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
6656         (fold_build2_stat_loc): Likewise.
6657         (fold_build3_stat_loc): Likewise.
6658         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
6659         (fold_build1_loc): Remove macro.
6660         (fold_build2_loc): Likewise.
6661         (fold_build3_loc): Likewise.
6662
6663 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6664
6665         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
6666         (gimple_build_debug_bind_source_stat): Likewise.
6667         * gimple.h (gimple_build_debug_bind): Remove macro.
6668         (gimple_build_debug_bind_source): Likewise.
6669
6670 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6671
6672         * bitmap.c (bitmap_alloc): Adjust.
6673         (bitmap_gc_alloc): Likewise.
6674         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
6675
6676 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6677
6678         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
6679         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
6680         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
6681         (bitmap_gc_alloc_stat): Likewise.
6682         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
6683
6684 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6685
6686         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
6687         * rtl.h (shallow_copy_rtx): Remove macro.
6688
6689 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6690
6691         * emit-rtl.c (gen_raw_REG): Adjust.
6692         * gengenrtl.c (gendef): Likewise.
6693         * rtl.c (rtx_alloc_stat): Remove _stat from name.
6694         * rtl.h (rtx_alloc): Remove macro.
6695
6696 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6697
6698         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
6699         (build_tree_list_stat): Likewise.
6700         * tree.h (build_tree_list): Remove macro.
6701         (build_tree_list_vec): Likewise.
6702
6703 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6704
6705         * tree.c (make_vector_stat): Remove _stat from name.
6706         (build_vector_stat): Likewise.
6707         * tree.h (make_vector_stat): Remove macro.
6708         (build_vector_stat): Likewise.
6709
6710 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6711
6712         * tree.h (build_var_debug_value): Remove prototype.
6713
6714 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6715
6716         * tree.c (tree_cons_stat): Remove _stat from name.
6717         * tree.h (tree_cons): Remove macro.
6718
6719 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6720
6721         * tree.c (build_vl_exp_stat): Remove _stat from name.
6722         * tree.h (build_vl_exp): Remove macro.
6723
6724 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6725
6726         * tree.c (build_decl_stat): Remove _stat from name.
6727         * tree.h (build_decl): Remove macro.
6728
6729 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6730
6731         * gimple.c (gimple_build_with_ops_stat): Adjust.
6732         (gimple_alloc_stat): Remove _stat from name.
6733         * gimple.h (gimple_alloc): Remove macro.
6734
6735 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6736
6737         * tree.c (make_tree_vec_stat): Remove _stat from name.
6738         (grow_tree_vec_stat): Likewise.
6739         * tree.h (make_tree_vec_stat): Adjust prototype.
6740         (grow_tree_vec_stat): Likewise.
6741         (make_tree_vec): Remove macro.
6742         (grow_tree_vec): Likewise.
6743
6744 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6745
6746         * fold-const.c (fold_build1_stat_loc): Adjust.
6747         (fold_build2_stat_loc): Likewise.
6748         (fold_build3_stat_loc): Likewise.
6749         * tree.c (build0_stat): Remove _stat from name.
6750         (build1_stat): Likewise.
6751         (build2_stat): Likewise.
6752         (build3_stat): Likewise.
6753         (build4_stat): Likewise.
6754         (build5_stat): Likewise.
6755         * tree.h (build1_loc): Remove macro, and rename _stat function
6756         to this.
6757         (build2_loc): Likewise.
6758         (build3_loc): Likewise.
6759         (build4_loc): Likewise.
6760         (build5_loc): Likewise.
6761
6762 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6763
6764         * tree.c (make_int_cst_stat): Remove _stat from name.
6765         * tree.h (make_int_cst_stat): Adjust prototype.
6766         (make_int_cst): Remove macro.
6767
6768 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6769
6770         * tree.c (make_tre_binfo_stat): Remove _stat from name.
6771         * tree.h (make_tree_binfo_stat): Adjust prototype.
6772         (make_tree_binfo): Remove.
6773
6774 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6775
6776         * tree.c (copy_node_stat): Rename to copy_node.
6777         (build_distinct_type_copy): Adjust.
6778         * tree.h (copy_node_stat): Adjust prototype.
6779         (copy_node): Remove macro.
6780
6781 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6782
6783         * tree.c (make_node_stat): rename to make_node.
6784         (build_tree_list_stat): Adjust.
6785         (build0_stat): Likewise.
6786         (build2_stat): Likewise.
6787         (build3_stat): Likewise.
6788         (build4_stat): Likewise.
6789         (build5_stat): Likewise.
6790         (build_decl_stat): Likewise.
6791         * tree.h (make_node_stat): Adjust prototype.
6792         (make_node): remove macro.
6793
6794 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
6795
6796         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
6797         (PPC_FEATURE2_SCV): Likewise.
6798         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
6799
6800 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6801
6802         * config/aarch64/aarch64.c
6803         (aarch64_internal_mov_immediate): Add new special pattern.
6804         * config/aarch64/aarch64.md (*movdi_aarch64):
6805         Add reg/32bit const mov case.
6806
6807 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6808             Richard Sandiford <richard.sandiford@linaro.org>
6809
6810         * config/aarch64/aarch64.md (mov<mode>): Generalize.
6811         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
6812         Add integer and movi cases.
6813         (movi-split-hf-df-sf split, fp16): New.
6814         (enabled): Added TARGET_FP_F16INST.
6815         * config/aarch64/iterators.md (GPF_HF): New.
6816         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
6817
6818 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6819
6820         * config/aarch64/aarch64.c
6821         (aarch64_simd_container_mode): Add prototype.
6822         (aarch64_expand_mov_immediate): Add HI support.
6823         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
6824         (aarch64_can_const_movi_rtx_p): New.
6825         (aarch64_preferred_reload_class):
6826         Remove restrictions of using FP registers for certain SIMD operations.
6827         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
6828         (aarch64_valid_floating_const): Add integer move validation.
6829         (aarch64_simd_imm_scalar_p): Remove.
6830         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
6831         (aarch64_legitimate_constant_p): Expand list of supported cases.
6832         * config/aarch64/aarch64-protos.h
6833         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
6834         (aarch64_reinterpret_float_as_int): New.
6835         (aarch64_simd_imm_scalar_p): Remove.
6836         * config/aarch64/constraints.md (Uvi): New.
6837         (Dd): Split into Ds and new Dd.
6838         * config/aarch64/aarch64.md (*movsi_aarch64):
6839         Add SIMD mov case.
6840         (*movdi_aarch64): Add SIMD mov case.
6841
6842 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6843
6844         * tree-predcom.c: (struct chain): Handle store-store chain in which
6845         stores for elimination only store loop invariant values.
6846         (execute_pred_commoning_chain): Ditto.
6847         (prepare_initializers_chain_store_elim): Ditto.
6848         (prepare_finalizers): Ditto.
6849         (is_inv_store_elimination_chain): New function.
6850         (initialize_root_vars_store_elim_1): New function.
6851
6852 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6853
6854         * tree-predcom.c: Revise general description of the pass.
6855         (enum chain_type): New enum type for store elimination.
6856         (struct chain): New field supporting store elimination.
6857         (struct component): Ditto.
6858         (dump_chain): Dump store-stores chain.
6859         (release_chain): Release resources.
6860         (split_data_refs_to_components): Compute and create component
6861         contains only stores for elimination.
6862         (get_chain_last_ref_at): New function.
6863         (make_invariant_chain): Initialization.
6864         (make_rooted_chain): Specify chain type in parameter and record it.
6865         (add_looparound_copies): Skip for store-stores chain.
6866         (determine_roots_comp): Compute type of chain and pass it to
6867         make_rooted_chain.
6868         (initialize_root_vars_store_elim_2): New function.
6869         (finalize_eliminated_stores): New function.
6870         (remove_stmt): Handle store for elimination.
6871         (execute_pred_commoning_chain): Execute predictive commoning on
6872         store-store chains.
6873         (determine_unroll_factor): Skip unroll for store-stores chain.
6874         (prepare_initializers_chain_store_elim): New function.
6875         (prepare_initializers_chain): Hanlde store-store chain.
6876         (prepare_finalizers_chain, prepare_finalizers): New function.
6877         (tree_predictive_commoning_loop): Return integer value indicating
6878         if loop is unrolled or lcssa form is corrupted.
6879         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
6880
6881 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6882
6883         * tree-predcom.c (initialize_root): Delete.
6884         (execute_pred_commoning_chain): Initialize root vars and replace
6885         reference of non-combined chain directly, rather than call above
6886         function.
6887
6888 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6889
6890         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
6891         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
6892
6893 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6894
6895         * tree-predcom.c (struct chain): New field init_seq.
6896         (release_chain): Release init_seq.
6897         (prepare_initializers_chain): Record intialization stmts in above
6898         field.
6899         (insert_init_seqs): New function.
6900         (tree_predictive_commoning_loop): Call insert_init_seqs.
6901
6902 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6903
6904         * tree-predcom.c (determine_roots_comp): Skip trivial components.
6905
6906 2017-07-28  Richard Biener  <rguenther@suse.de>
6907
6908         * match.pd: Remove superfluous :c.
6909         * genmatch.c (simplify::id): Add member.
6910         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
6911         Copy id.
6912         (current_id): New global.
6913         (dt_node::parent): Move from ...
6914         (dt_operand::parent): ... here.  Add for_id member.
6915         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
6916         (decision_tree::find_node): Relax order requirement when
6917         merging DT_TRUE nodes to ones inbetween the current simplify
6918         and the one we try to merge with.  Add diagnostic whenever
6919         we need to enforce pattern order by not merging.
6920         (decision_tree::insert): Set current_id.
6921         (decision_tree::print_node): Dump parent node and for_id.
6922         (parser::last_id): Add member.
6923         (parser::push_simplify): Assign unique id.
6924         (parser::parser): Initialize last_id.
6925
6926 2017-07-28  Martin Liska  <mliska@suse.cz>
6927
6928         PR sanitizer/81340
6929         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
6930         gimple_build_debug_bind.
6931
6932 2017-07-28  Richard Biener  <rguenther@suse.de>
6933
6934         PR tree-optimization/81502
6935         * match.pd: Add pattern combining BIT_INSERT_EXPR with
6936         BIT_FIELD_REF.
6937         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
6938         size/pos operands.
6939         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
6940         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
6941         for BIT_FIELD_REF args.
6942         * fold-const.c (make_bit_field_ref): Likewise.
6943         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
6944
6945 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6946
6947         PR sanitizer/80998
6948         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
6949         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
6950         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
6951         Or it into SANITIZER_UNDEFINED.
6952         * ubsan.c: Include gimple-fold.h and varasm.h.
6953         (ubsan_expand_ptr_ifn): New function.
6954         (instrument_pointer_overflow): New function.
6955         (maybe_instrument_pointer_overflow): New function.
6956         (instrument_object_size): Formatting fix.
6957         (pass_ubsan::execute): Call instrument_pointer_overflow
6958         and maybe_instrument_pointer_overflow.
6959         * internal-fn.c (expand_UBSAN_PTR): New function.
6960         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
6961         * sanitizer.def (__ubsan_handle_pointer_overflow,
6962         __ubsan_handle_pointer_overflow_abort): New builtins.
6963         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
6964         * internal-fn.def (UBSAN_PTR): New internal function.
6965         * opts.c (sanitizer_opts): Add pointer-overflow.
6966         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
6967         * fold-const.c (build_range_check): Compute pointer range check in
6968         integral type if pointer arithmetics would be needed.  Formatting
6969         fixes.
6970
6971 2017-07-28  Martin Liska  <mliska@suse.cz>
6972
6973         PR sanitizer/81460
6974         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
6975         parameters that are of a variable-length.
6976
6977 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6978
6979         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
6980         rs6000/biarch64.h.
6981         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
6982         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6983         (CRT_CALL_STATIC_FUNCTION): Likewise.
6984         (ASM_DEFAULT_SPEC): New define.
6985         (ASM_SPEC32): Likewise.
6986         (ASM_SPEC64): Likewise.
6987         (ASM_SPEC_COMMON): Likewise.
6988         (ASM_SPEC): Likewise.
6989         (INVALID_64BIT): Likewise.
6990         (LINK_OS_DEFAULT_SPEC): Likewise.
6991         (LINK_OS_SPEC32): Likewise.
6992         (LINK_OS_SPEC64): Likewise.
6993         (POWERPC_LINUX): Likewise.
6994         (PTRDIFF_TYPE): Likewise.
6995         (RESTORE_FP_PREFIX): Likewise.
6996         (RESTORE_FP_SUFFIX): Likewise.
6997         (SAVE_FP_PREFIX): Likewise.
6998         (SAVE_FP_SUFFIX): Likewise.
6999         (SIZE_TYPE): Likewise.
7000         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7001         (TARGET_64BIT): Likewise.
7002         (TARGET_64BIT): Likewise.
7003         (TARGET_AIX): Likewise.
7004         (WCHAR_TYPE_SIZE): Likewise.
7005         (WCHAR_TYPE): Undefine.
7006         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
7007         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
7008         (CPP_OS_RTEMS_SPEC): Delete.
7009         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
7010         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
7011         link_os_spec64.
7012         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
7013
7014 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
7015
7016         PR tree-optimization/81578
7017         * tree-parloops.c (build_new_reduction): Bail out if
7018         reduction_code isn't one of the standard OpenMP reductions.
7019         Move the details printing after that decision.
7020
7021 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7022
7023         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
7024         related to reload_in_progress.
7025         (splat_input_operand): Likewise.
7026         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
7027         Delete prototype.
7028         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
7029         field.
7030         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
7031         (TARGET_INSTANTIATE_DECLS): Likewise.
7032         (legitimate_indexed_address_p): Delete reload_in_progress code.
7033         (rs6000_debug_legitimate_address_p): Likewise.
7034         (rs6000_eliminate_indexed_memrefs): Likewise.
7035         (rs6000_emit_le_vsx_store): Likewise.
7036         (rs6000_emit_move_si_sf_subreg): Likewise.
7037         (rs6000_emit_move): Likewise.
7038         (register_to_reg_type): Likewise.
7039         (rs6000_pre_atomic_barrier): Likewise.
7040         (rs6000_machopic_legitimize_pic_address): Likewise.
7041         (rs6000_allocate_stack_temp): Likewise.
7042         (rs6000_address_for_fpconvert): Likewise.
7043         (rs6000_address_for_altivec): Likewise.
7044         (rs6000_secondary_memory_needed_rtx): Delete function.
7045         (rs6000_check_sdmode): Likewise.
7046         (rs6000_alloc_sdmode_stack_slot): Likewise.
7047         (rs6000_instantiate_decls): Likewise.
7048         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7049         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
7050         Delete reload_in_progress.
7051         (*vec_reload_and_plus_<mptrsize>): Likewise.
7052         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
7053         (vsx_div_v2di): Likewise.
7054         (vsx_udiv_v2di): Likewise.
7055
7056 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7057
7058         * config/rs6000/rs6000.opt (mlra): Replace with stub.
7059         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
7060         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
7061         (rs6000_debug_reg_global): Delete print of LRA status.
7062         (rs6000_option_override_internal): Delete dead LRA related code.
7063         (rs6000_lra_p): Delete function.
7064         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
7065
7066 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7067
7068         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
7069         * config/riscv/rtems.h: New file.
7070
7071 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7072             Sudakshina Das  <sudi.das@arm.com>
7073
7074         * config/aarch64/aarch64.md
7075         (define_split for and<mode>3nr_compare): Move
7076         non aarch64_logical_operand to a register.
7077         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
7078         register immediate operand to a register.
7079         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
7080
7081 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7082
7083         PR middle-end/81564
7084         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
7085
7086 2017-07-27  Richard Biener  <rguenther@suse.de>
7087
7088         PR tree-optimization/81573
7089         PR tree-optimization/81494
7090         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
7091         multi defuse cycle case.
7092
7093 2017-07-27  Richard Biener  <rguenther@suse.de>
7094
7095         PR tree-optimization/81571
7096         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
7097         PHIs.
7098
7099 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
7100
7101         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
7102         earlier and only if MASK_FPU is set.  Adjust formatting.
7103
7104 2017-07-27  Martin Liska  <mliska@suse.cz>
7105
7106         * opt-functions.awk: Add validation of value of Init.
7107         * optc-gen.awk: Pass new argument.
7108
7109 2017-07-27  Martin Liska  <mliska@suse.cz>
7110
7111         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
7112         Fix wrong condition.
7113
7114 2017-07-27  Martin Liska  <mliska@suse.cz>
7115
7116         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
7117         BBs and edges seen by autoFDO.
7118
7119 2017-07-27  Richard Biener  <rguenther@suse.de>
7120
7121         PR tree-optimization/81502
7122         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
7123         with incompatible but same sized type.
7124         (execute_update_addresses_taken): Likewise.
7125
7126 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
7127
7128         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
7129         flag_tree_loop_vectorize rather than flag_tree_vectorize.
7130
7131 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7132
7133         PR target/81534
7134         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
7135         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
7136         Change s_operand to memory_operand.
7137
7138 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
7139
7140         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
7141         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
7142         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
7143         Emit instructions rather than returning an expression.  Handle TFmode
7144         and KFmode by casting to TImode.
7145         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
7146         (rs6000_emit_le_vsx_store): Likewise.
7147         * config/rs6000/vsx.md (VSX_TI): New iterator.
7148         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
7149         (*vsx_le_undo_permute_<mode>): Likewise.
7150         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
7151         emit the split sequence.
7152         (*vsx_le_perm_store_<mode>): Likewise.
7153
7154 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
7155
7156         PR tree-optimization/81555
7157         PR tree-optimization/81556
7158         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
7159         if true, force CHANGED for the recursive invocation.
7160         (reassociate_bb): Remember original length of ops array, pass
7161         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
7162
7163         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
7164         attributes for noipa attribute.  For naked attribute use
7165         lookup_attribute first before lookup_attribute_spec.
7166         * final.c (rest_of_handle_final): Disable IPA RA for functions with
7167         noipa attribute.
7168         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
7169         for functions with noipa attribute.
7170         (cgraph_externally_visible_p): Return true for functions with noipa
7171         attribute.
7172         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
7173         for functions with noipa attribute.
7174         * doc/extend.texi: Document noipa function attribute.
7175         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
7176         also for functions with noipa attribute.
7177         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
7178
7179 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7180
7181         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
7182         vec_unalign_load_cost and vec_unalign_store_cost.
7183
7184 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
7185
7186         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
7187         -mvsx-small-integer option.
7188         (ISA_3_0_MASKS_IEEE): Likewise.
7189         (OTHER_VSX_VECTOR_MASKS): Likewise.
7190         (POWERPC_MASKS): Likewise.
7191         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
7192         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
7193         code, only testing for DImode being allowed in non-VSX floating
7194         point registers.
7195         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
7196         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
7197         another VSX test.
7198         (rs6000_option_override_internal): Delete -mvsx-small-integer.
7199         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
7200         TARGET_P8_VECTOR test.
7201         (rs6000_secondary_reload_simple_move): Likewise.
7202         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
7203         since TARGET_P9_VECTOR was already tested.
7204         (rs6000_opt_masks): Remove -mvsx-small-integer.
7205         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
7206         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7207         used.
7208         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
7209         test for TARGET_VEXTRACTUB was used, and that uses
7210         TARGET_P9_VECTOR.
7211         (p9 extract splitter): Likewise.
7212         (vsx_extract_<mode>_di_p9): Likewise.
7213         (vsx_extract_<mode>_store_p9): Likewise.
7214         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
7215         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
7216         the elimination of TARGET_VSX_SMALL_INTEGER.
7217         (vsx_extract_<mode>_p8): Likewise.
7218         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
7219         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
7220         (vsx_set_<mode>_p9): Likewise.
7221         (vsx_set_v4sf_p9): Likewise.
7222         (vsx_set_v4sf_p9_zero): Likewise.
7223         (vsx_insert_extract_v4sf_p9): Likewise.
7224         (vsx_insert_extract_v4sf_p9_2): Likewise.
7225         * config/rs6000/rs6000.md (sign extend splitter): Change
7226         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
7227         (floatsi<mode>2_lfiwax_mem): Likewise.
7228         (floatunssi<mode>2_lfiwzx_mem): Likewise.
7229         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
7230         since a test for TARGET_P9_VECTOR was used.
7231         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7232         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
7233         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7234         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7235         TARGET_P8_VECTOR test.
7236         (fix_trunc<mode>si2_stfiwx): Likewise.
7237         (fix_trunc<mode>si2_internal): Likewise.
7238         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
7239         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7240         used.
7241         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7242         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7243         TARGET_P8_VECTOR test.
7244         (fixuns_trunc<mode>si2_stfiwx): Likewise.
7245         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
7246         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7247         used.
7248         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7249         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
7250         since a test for TARGET_P9_VECTOR was used.
7251         (splitter for loading small constants): Likewise.
7252
7253 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7254
7255         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
7256         vec_fp_stmt_cost.
7257
7258 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
7259
7260         PR target/81563
7261         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
7262         (fp_valid_at): Likewise.
7263
7264 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7265
7266         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
7267         (qdf24xx_addrcost_table): Likewise.
7268         (cortexa57_tunings): Update to use generic_branch_cost.
7269         (cortexa72_tunings): Likewise.
7270         (cortexa73_tunings): Likewise.
7271         (qdf24xx_tunings): Likewise.
7272
7273 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7274
7275         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
7276         (thunderx2t99_branch_cost): Likewise.
7277         (cortexa35_tunings): Update to use generic_branch_cost.
7278         (cortexa53_tunings): Likewise.
7279         (cortexa57_tunings): Likewise.
7280         (cortexa72_tunings): Likewise.
7281         (cortexa73_tunings): Likewise.
7282         (thunderx2t99_tunings): Likewise.
7283
7284 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7285
7286         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
7287         (sparc_option_override): Honour MASK_FSMULD.
7288         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
7289         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
7290         * config/sparc/sparc.opt (mfsmuld): New option.
7291         * doc/invoke.texi (mfsmuld): Document option.
7292
7293 2017-07-26  Marek Polacek  <polacek@redhat.com>
7294
7295         PR middle-end/70992
7296         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
7297
7298 2017-07-26  Richard Biener  <rguenther@suse.de>
7299
7300         * gimple-match-head.c (do_valueize): Return OP if valueize
7301         returns NULL_TREE.
7302         (get_def): New helper to get at the def stmt of a SSA name
7303         if valueize allows.
7304         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
7305         do_valueize to get at the def stmt.
7306         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
7307
7308 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
7309
7310         PR middle-end/46932
7311         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
7312
7313 2017-07-26  Martin Liska  <mliska@suse.cz>
7314
7315         PR sanitize/81186
7316         * function.c (expand_function_start): Make expansion of
7317         nonlocal_goto_save_area after parm_birth_insn.
7318
7319 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7320
7321         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
7322         from all CPU target flags enable members.
7323
7324 2017-07-26  Richard Biener  <rguenther@suse.de>
7325
7326         * genmatch.c (dt_simplify::gen): Make iterator vars const.
7327         (decision_tree::gen): Make 'type' const.
7328         (write_predicate): Likewise.
7329
7330 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7331
7332         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
7333         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
7334         (rs6000_option_override_internal): Likewise.
7335         (rs6000_expand_vector_set): Likewise.
7336         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
7337         (TARGET_UPPER_REGS_SF): Likewise.
7338         (TARGET_UPPER_REGS_DI): Likewise.
7339         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
7340         (TARGET_DIRECT_MOVE_64BIT): Likewise.
7341         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
7342         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7343         (Splitters for DI constants in Altivec registers): Likewise.
7344         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
7345         (vsx_set_v4sf_p9): Likewise.
7346         (vsx_set_v4sf_p9_zero): Likewise.
7347         (vsx_insert_extract_v4sf_p9): Likewise.
7348         (vsx_insert_extract_v4sf_p9_2): Likewise.
7349
7350 2017-07-25  Carl Love  <cel@us.ibm.com>
7351
7352         * doc/extend.texi: Update the built-in documentation file for the
7353         existing built-in functions
7354         vector signed char vec_cnttz (vector signed char);
7355         vector unsigned char vec_cnttz (vector unsigned char);
7356         vector signed short vec_cnttz (vector signed short);
7357         vector unsigned short vec_cnttz (vector unsigned short);
7358         vector signed int vec_cnttz (vector signed int);
7359         vector unsigned int vec_cnttz (vector unsigned int);
7360         vector signed long long vec_cnttz (vector signed long long);
7361         vector unsigned long long vec_cnttz (vector unsigned long long);
7362
7363 2017-07-25  Andrew Pinski  <apinski@cavium.com>
7364
7365         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
7366         accesses where the use is for the first operand of a BIT_INSERT.
7367
7368 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7369
7370         PR bootstrap/81521
7371         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7372         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7373
7374 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7375
7376         * config/i386/gstabs.h: Delete.
7377         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
7378
7379 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
7380
7381         * config/i386/i386.c (ix86_decompose_address): Do not check for
7382         register RTX when looking at index_reg or base_reg.
7383         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
7384
7385 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
7386
7387         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
7388         to update EH info here.
7389
7390 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7391
7392         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
7393
7394 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7395
7396         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
7397
7398 2017-07-25  Torsten Duwe  <duwe@suse.de>
7399
7400         * common.opt: Introduce -fpatchable-function-entry
7401         command line option, and its variables function_entry_patch_area_size
7402         and function_entry_patch_area_start.
7403         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
7404         including a two-value parser.
7405         * target.def (print_patchable_function_entry): New target hook.
7406         * targhooks.h (default_print_patchable_function_entry): New function.
7407         * targhooks.c (default_print_patchable_function_entry): Likewise.
7408         * toplev.c (process_options): Switch off IPA-RA if
7409         patchable function entries are being generated.
7410         * varasm.c (assemble_start_function): Look at the
7411         patchable-function-entry command line switch and current
7412         function attributes and maybe generate NOP instructions by
7413         calling the print_patchable_function_entry hook.
7414         * doc/extend.texi: Document patchable_function_entry attribute.
7415         * doc/invoke.texi: Document -fpatchable_function_entry
7416         command line option.
7417         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
7418         New target hook.
7419         * doc/tm.texi: Re-generate.
7420
7421 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
7422
7423         PR target/81532
7424         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
7425         TARGET_AVX512DQ rather than TARGET_AVX512BW.
7426
7427 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
7428
7429         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
7430
7431 2017-07-25  Richard Biener  <rguenther@suse.de>
7432
7433         PR tree-optimization/81455
7434         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
7435         not walk in cycles when looking for guards.
7436
7437 2017-07-25  Richard Biener  <rguenther@suse.de>
7438
7439         PR tree-optimization/81529
7440         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
7441         when optimizing backedge uses.
7442
7443 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
7444
7445         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
7446         character for AIX.
7447         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
7448         to dl_section_ref.  On AIX, append an expression to subtract
7449         the size of the section length to dl_section_ref.
7450
7451 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
7452
7453         * configure.ac: If any of the config.* scripts fail, exit 1.
7454         * configure: Regenerate.
7455
7456 2017-07-25  Richard Biener  <rguenther@suse.de>
7457
7458         PR middle-end/81546
7459         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
7460         of immediate uses, be more verbose on errors.
7461
7462 2017-07-25  Richard Biener  <rguenther@suse.de>
7463
7464         PR tree-optimization/81510
7465         * tree-vect-loop.c (vect_is_simple_reduction): When the
7466         reduction stmt is not inside the loop bail out.
7467
7468 2017-07-25  Richard Biener  <rguenther@suse.de>
7469
7470         PR tree-optimization/81303
7471         * tree-vect-loop-manip.c (vect_loop_versioning): Build
7472         profitability check against LOOP_VINFO_NITERSM1.
7473
7474 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7475
7476         * domwalk.c (cmp_bb_postorder): Simplify.
7477         (sort_bbs_postorder): New function.  Use it...
7478         (dom_walker::walk): ...here to optimize common cases.
7479
7480 2017-07-25  Martin Liska  <mliska@suse.cz>
7481
7482         PR ipa/81520
7483         * ipa-visibility.c (function_and_variable_visibility): Make the
7484         redirection just on target that supports aliasing.
7485         Fix GNU coding style.
7486
7487 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7488
7489         PR libgcc/61152
7490         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
7491         Format changes.
7492         * config/arm/rtems.h: Likewise.
7493         * config/bfin/rtems.h: Likewise.
7494         * config/i386/rtemself.h: Likewise.
7495         * config/lm32/rtems.h: Likewise.
7496         * config/m32c/rtems.h: Likewise.
7497         * config/m68k/rtemself.h: Likewise.
7498         * config/microblaze/rtems.h: Likewise.
7499         * config/mips/rtems.h: Likewise.
7500         * config/moxie/rtems.h: Likewise.
7501         * config/nios2/rtems.h: Likewise.
7502         * config/powerpcspe/rtems.h: Likewise.
7503         * config/rs6000/rtems.h: Likewise.
7504         * config/rtems.h: Likewise.
7505         * config/sh/rtems.h: Likewise.
7506         * config/sh/rtemself.h: Likewise.
7507         * config/sparc/rtemself.h: Likewise.
7508
7509 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7510
7511         PR 81487
7512         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
7513         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
7514         * tree-ssa-structalias.c (alias_get_name): Same.
7515
7516 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
7517
7518         PR target/81414
7519         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
7520         instructions if no du chain is found.
7521
7522 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7523
7524         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
7525
7526 2017-07-25  Richard Biener  <rguenther@suse.de>
7527
7528         PR middle-end/81505
7529         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
7530         sticky.
7531
7532 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7533
7534         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
7535         upper-regs options.
7536         (ISA_2_7_MASKS_SERVER): Likewise.
7537         (ISA_3_0_MASKS_IEEE): Likewise.
7538         (OTHER_P8_VECTOR_MASKS): Likewise.
7539         (OTHER_VSX_VECTOR_MASKS): Likewise.
7540         (POWERPC_MASKS): Likewise.
7541         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
7542         duplicate list of options.
7543         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
7544         explicit -mupper-regs options.
7545         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
7546         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
7547         alias for -mupper-regs-df.
7548         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
7549         (rs6000_init_hard_regno_mode_ok): Likewise.
7550         (rs6000_option_override_internal): Likewise.
7551         (rs6000_opt_masks): Likewise.
7552         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
7553         options in terms of whether -mvsx or -mpower8-vector was used.
7554         (TARGET_UPPER_REGS_DI): Likewise.
7555         (TARGET_UPPER_REGS_SF): Likewise.
7556         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
7557         -mupper-regs-* options.
7558
7559 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7560
7561         * passes.c (emergency_dump_function): Print some empty lines and a
7562         header before the RTL dump.
7563
7564 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7565
7566         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
7567
7568 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
7569
7570         PR target/79041
7571         * config/aarch64/aarch64.c (aarch64_classify_symbol):
7572         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
7573
7574 2017-07-24  Carl Love  <cel@us.ibm.com>
7575
7576         * config/rs6000/rs6000-c.c: Add support for built-in functions
7577         vector float vec_extract_fp32_from_shorth (vector unsigned short);
7578         vector float vec_extract_fp32_from_shortl (vector unsigned short);
7579         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
7580         vec_extract_fp_from_shortl): Add defines for the two builtins.
7581         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
7582         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
7583         new builtins.
7584         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
7585         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
7586         * doc/extend.texi: Update the built-in documentation file for the
7587         new built-in function.
7588
7589 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
7590
7591         PR bootstrap/81521
7592         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
7593         documentation.
7594         * doc/generic.texi: Likewise.
7595         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7596         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7597
7598 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
7599
7600         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
7601         (aarch64_mls_elt_merge<mode>): Likewise.
7602
7603 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
7604
7605         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
7606         having __cxa_atexit.
7607
7608 2017-07-23  Michael Collison  <michael.collison@arm.com>
7609
7610         * config/arm/arm.c (arm_option_override): Deprecate
7611         use of -mstructure-size-boundary.
7612         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
7613         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
7614
7615 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7616
7617         PR target/80695
7618         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
7619         Reduce cost estimate for direct moves.
7620
7621 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
7622
7623         PR target/80569
7624         * config/i386/i386.c (ix86_option_override_internal): Disable
7625         BMI, BMI2 and TBM instructions for -m16.
7626
7627 2017-07-21  Carl Love  <cel@us.ibm.com>
7628
7629         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7630         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7631         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7632         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7633         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7634         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7635         VMULOSW): New enum "unspec" values.
7636         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7637         altivec_vmulosw): New patterns.
7638         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7639         VMULOSW): Add definitions.
7640
7641 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
7642
7643         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
7644         (qdf24xx): Likewise.
7645         * config/aarch64/aarch64-options-extensions.def (rdma); New.
7646         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
7647         (AARCH64_FL_V8_1): Renumber.
7648         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
7649         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
7650         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
7651         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
7652         rdma to feature modifiers list.
7653
7654 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
7655
7656         PR middle-end/56727
7657         * ipa-visibility (function_and_variable_visibility): Convert
7658         recursive PLT call to direct call if appropriate.
7659
7660 2017-07-21  Andrew Pinski  <apinski@cavium.com>
7661
7662         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
7663         operand 1 to see if the types precision matches.
7664         * fold-const.c (operand_equal_p): Likewise.
7665
7666 2017-07-21  Richard Biener  <rguenther@suse.de>
7667
7668         PR tree-optimization/81303
7669         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
7670         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
7671         (vect_peeling_hash_get_lowest_cost): Adjust.
7672         (vect_enhance_data_refs_alignment): Likewise.  Use
7673         vect_get_peeling_costs_all_drs to compute the penalty for no
7674         peeling to match up costs.
7675
7676 2017-07-21  Richard Biener  <rguenther@suse.de>
7677
7678         PR tree-optimization/81500
7679         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
7680         we didn't identify a reduction path.
7681
7682 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7683             Cesar Philippidis  <cesar@codesourcery.com>
7684
7685         PR gcov-profile/81442
7686         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
7687         probabilities.
7688
7689 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7690
7691         PR lto/81430
7692         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
7693         function.
7694         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
7695         nvptx_override_options_after_change.
7696
7697 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
7698
7699         * dwarf2out.c (output_file_names): Avoid double testing for
7700         dwarf_version >= 5.
7701
7702 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
7703
7704         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
7705
7706 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7707
7708         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
7709         hot/cold regions.
7710         (try_crossjump_to_edge): Do not punt on partitioned functions.
7711
7712 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7713
7714         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7715         Put all BBs reachable only via paths crossing cold region to cold
7716         region.
7717         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
7718
7719 2016-07-21  Richard Biener  <rguenther@suse.de>
7720
7721         PR tree-optimization/81303
7722         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
7723         into account prologue and epilogue iterations when raising
7724         min_profitable_iters to sth at least covering one vector iteration.
7725
7726 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
7727
7728         * config/arm/arm.c (arm_test_cpu_arch_dat):
7729         Check for overlap.
7730
7731 2017-07-20  Nathan Sidwell  <nathan@acm.org>
7732
7733         Remove TYPE_METHODS.
7734         * tree.h (TYPE_METHODS): Delete.
7735         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
7736         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
7737         (dbxout_type_methods): Scan TYPE_FIELDS.
7738         (dbxout_type): Don't check TYPE_METHODS here.
7739         * function.c (use_register_for_decl): Always ignore register for
7740         class types when not optimizing.
7741         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
7742         * tree.c (free_lang_data_in_type): Stitch out member functions and
7743         templates from TYPE_FIELDS.
7744         (build_distinct_type_copy, verify_type_variant,
7745         verify_type): Member fns are on TYPE_FIELDS.
7746         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
7747         * tree-pretty-print.c (dump_generic_node): Likewise.
7748
7749 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
7750
7751         PR target/80846
7752         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
7753         V2TImode and V4TImode.
7754         (ix86_expand_vector_extract): Likewise.
7755         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
7756         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
7757         (ssescalarmode): Handle V4TImode and V2TImode.
7758         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
7759         (*vec_extractv2ti, *vec_extractv4ti): New insns.
7760         (VEXTRACTI128_MODE): New mode iterator.
7761         (splitter for *vec_extractv?ti first element): New.
7762         (VEC_INIT_MODE): New mode iterator.
7763         (vec_init<mode>): Consolidate 3 expanders into one using
7764         VEC_INIT_MODE mode iterator.
7765
7766 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7767
7768         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
7769         non_spilled_static_chain_regno_p.
7770
7771 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7772
7773         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
7774
7775 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
7776
7777         * bb-reorder.c (connect_traces): Allow copying of blocks within
7778         single partition.
7779
7780 2017-07-20  Richard Biener  <rguenther@suse.de>
7781
7782         * gimple.h (gimple_phi_result): Add gphi * overload.
7783         (gimple_phi_result_ptr): Likewise.
7784         (gimple_phi_arg): Likewise.  Adjust index assert to only
7785         allow actual argument accesses rather than all slots available
7786         by capacity.
7787         (gimple_phi_arg_def): Add gphi * overload.
7788         * tree-phinodes.c (make_phi_node): Initialize only actual
7789         arguments.
7790         (resize_phi_node): Clear memory not covered by old node,
7791         do not initialize excess argument slots.
7792         (reserve_phi_args_for_new_edge): Initialize new argument slot
7793         completely.
7794
7795 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
7796
7797         PR tree-optimization/81388
7798         Revert r238585:
7799         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
7800
7801         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
7802         by removing computation of may_be_zero.
7803
7804 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7805             Tom de Vries  <tom@codesourcery.com>
7806
7807         PR middle-end/81030
7808         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
7809         when gimple level profile disagrees with what RTL expander did.
7810
7811 2017-07-20  Richard Biener  <rguenther@suse.de>
7812
7813         PR tree-optimization/61171
7814         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
7815         (vect_analyze_stmt): Add slp instance parameter.
7816         (vectorizable_reduction): Likewise.
7817         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
7818         (vect_is_simple_reduction): Deal with chains not detected
7819         as SLP reduction chain, specifically not properly associated
7820         chains containing a mix of plus/minus.
7821         (get_reduction_op): Remove.
7822         (get_initial_defs_for_reduction): Simplify, pass in whether
7823         this is a reduction chain, pass in the SLP node for the PHIs.
7824         (vect_create_epilog_for_reduction): Get the SLP instance as
7825         arg and adjust.
7826         (vectorizable_reduction): Get the SLP instance as arg.
7827         During analysis remember the SLP node with the PHIs in the
7828         instance.  Simplify getting at the vectorized reduction PHIs.
7829         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
7830         through SLP instance.
7831         (vect_slp_analyze_operations): Likewise.
7832         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
7833         (vect_transform_stmt): Likewise.
7834
7835 2017-07-20  Tom de Vries  <tom@codesourcery.com>
7836
7837         PR tree-optimization/81489
7838         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
7839         read of phi arg location to before loop that modifies phi.
7840
7841 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
7842
7843         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
7844         New pattern.
7845
7846 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7847
7848         PR middle-end/81331
7849         * except.c (execute): Fix ordering issue.
7850
7851 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7852
7853         PR rtl-optimization/81423
7854         * combine.c (make_compound_operation_int): Don't try to optimize
7855         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
7856
7857 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7858
7859         PR rtl-optimization/81423
7860         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
7861         with a constant that is -1 in the truncated to mode.
7862
7863 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7864
7865         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
7866         (determine_unlikely_bbs): ... here.
7867         * predict.h (propagate_unlikely_bbs_forward): Declare.
7868         * cfgexpand.c (pass_expand::execute): Use it.
7869         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
7870         unlikely edges.
7871         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
7872         propagate_unlikely_bbs_forward.
7873
7874 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7875
7876         PR middle-end/81331
7877         * except.c (maybe_add_nop_after_section_switch): New function.
7878         (execute): Use it.
7879
7880 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7881
7882         * gimple.h (gimple_phi_set_arg): Make assert more strict.
7883
7884 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7885
7886         * gimple.h (gimple_phi_arg): Make assert more strict.
7887
7888 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
7889
7890         * config.gcc (powerpc*-*-*): Add mmintrin.h.
7891         * config/rs6000/mmintrin.h: New file.
7892         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
7893
7894 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7895
7896         PR tree-optimization/81346
7897         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
7898
7899 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7900
7901         * config/nvptx/nvptx.md (VECIM): Add V2DI.
7902
7903 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7904
7905         * config/nvptx/nvptx-modes.def: Add V2DImode.
7906         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
7907         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
7908         (nvptx_output_mov_insn): Handle lack of mov.b128.
7909         (nvptx_print_operand): Handle 'H' and 'L' codes.
7910         (nvptx_vector_mode_supported): Allow V2DImode.
7911         (nvptx_preferred_simd_mode): New function.
7912         (nvptx_data_alignment): New function.
7913         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
7914         nvptx_preferred_simd_mode.
7915         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
7916         64 to 128 bits.
7917         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
7918
7919 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7920
7921         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
7922         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
7923         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
7924         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
7925         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
7926         (mov<VECIM>_insn): New define_insn.
7927         (define_expand "mov<VECIM>): New define_expand.
7928
7929 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7930
7931         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
7932
7933 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7934
7935         PR tree-optimization/81346
7936         * fold-const.h (fold_div_compare, range_check_type): Declare.
7937         * fold-const.c (range_check_type): New function.
7938         (build_range_check): Use range_check_type.
7939         (fold_div_compare): No longer static, rewritten into
7940         a match.pd helper function.
7941         (fold_comparison): Don't call fold_div_compare here.
7942         * match.pd (X / C1 op C2): New optimization using fold_div_compare
7943         as helper function.
7944
7945 2017-07-19  Nathan Sidwell  <nathan@acm.org>
7946
7947         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
7948         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
7949         * tree.c (find_decls_types_r, verify_type): Use
7950         TYPE_{MIN,MAX}_VALUE_RAW.
7951         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
7952         (hash_tree): Likewise.
7953         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
7954         Likewise.
7955         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
7956         Likewise.
7957
7958 2017-07-18  Tom de Vries  <tom@codesourcery.com>
7959
7960         PR middle-end/81464
7961         * omp-expand.c (expand_omp_for_static_chunk): Handle
7962         equal-argument loop exit phi.
7963
7964 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
7965
7966         PR target/81471
7967         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
7968         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
7969         operand 2 predicate.
7970         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
7971         operand 2 predicate.
7972         (ror,rol -> rorx splitters): Use const_int_operand as
7973         operand 2 predicate.
7974
7975 2017-06-18  Richard Biener  <rguenther@suse.de>
7976
7977         PR tree-optimization/81410
7978         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
7979         the gap in the ! slp_perm SLP case after each group.
7980
7981 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7982
7983         PR middle-end/81463
7984         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
7985         again.
7986
7987 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7988
7989         PR middle-end/81462
7990         * predict.c (set_even_probabilities): Cleanup; do not affect
7991         probabilities that are already known.
7992         (combine_predictions_for_bb): Call even when count is set.
7993
7994 2017-07-18  Nathan Sidwell  <nathan@acm.org>
7995
7996         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
7997         TYPE_MAX_VALUE.
7998
7999 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8000
8001         PR target/81408
8002         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
8003         optimization for loop niter analysis.
8004
8005 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
8006
8007         PR target/81473
8008         * config/avr/avr.c (avr_optimize_casesi): Don't use
8009         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
8010
8011 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8012
8013         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
8014         body_cost_vec from _vect_peel_extended_info.
8015         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
8016         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
8017         npeel.
8018
8019 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8020
8021         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
8022
8023 2017-07-18  Richard Biener  <rguenther@suse.de>
8024
8025         PR tree-optimization/80620
8026         PR tree-optimization/81403
8027         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
8028         info when re-using a VN table entry.
8029
8030 2017-07-18  Richard Biener  <rguenther@suse.de>
8031
8032         PR tree-optimization/81418
8033         * tree-vect-loop.c (vectorizable_reduction): Properly compute
8034         vectype_in.  Verify that with lane-reducing reduction operations
8035         we have a single def-use cycle.
8036
8037 2017-07-17  Carl Love  <cel@us.ibm.com>
8038
8039         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
8040
8041         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8042         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8043         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8044         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8045         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8046         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
8047         VMULOSW): New enum "unspec" values.
8048         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
8049         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
8050         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
8051         altivec_vmulosw): New patterns.
8052         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8053         VMULOSW): Add definitions.
8054 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
8055
8056         * config/alpha/alpha.c: Include predict.h.
8057
8058 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
8059
8060         * tree-vrp.c (compare_assert_loc): Fix comparison function
8061         to return predictable results.
8062
8063 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8064
8065         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
8066         option.
8067         (subdi3): Likewise.
8068         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
8069         * doc/invoke.texi (mexpand-adddi): Update text.
8070
8071 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8072
8073         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
8074         that also clobbers the CC register. The old expand code is moved
8075         to ...
8076         (*arc_clzsi2): ... here.
8077         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
8078         the CC register. The old expand code is moved to ...
8079         (arc_ctzsi2): ... here.
8080
8081 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8082
8083         * config/arc/arc.opt (mindexed-loads): Use initial value
8084         TARGET_INDEXED_LOADS_DEFAULT.
8085         (mauto-modify-reg): Use initial value
8086         TARGET_AUTO_MODIFY_REG_DEFAULT.
8087         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8088         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8089         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8090         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8091
8092 2017-07-17  Martin Liska  <mliska@suse.cz>
8093
8094         PR sanitizer/81302
8095         * opts.c (finish_options): Do not allow -fgnu-tm
8096         w/ -fsanitize={kernel-,}address.  Say sorry.
8097
8098 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8099
8100         PR target/81369
8101         * tree-loop-distribution.c (classify_partition): Only assert on
8102         numer of iterations.
8103         (merge_dep_scc_partitions): Delete prameter.  Update function call.
8104         (distribute_loop): Remove code handling loop with unknown niters.
8105         (pass_loop_distribution::execute): Skip loop with unknown niters.
8106
8107 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8108
8109         PR target/81369
8110         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
8111         function sort_partitions_by_post_order.
8112
8113 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8114
8115         PR tree-optimization/81374
8116         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
8117         the max index of basic blocks, rather than number of basic blocks.
8118
8119 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8120
8121         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
8122         proto.
8123         (arc_legitimate_pic_operand_p): Likewise.
8124         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
8125         function.
8126         (arc_needs_pcl_p): Likewise.
8127         (arc_legitimate_pc_offset_p): Likewise.
8128         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
8129         function is also used in constrains.md.
8130         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
8131         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
8132         PLUS.  Only return true/false in known cases, otherwise assert.
8133         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
8134         is already called in arc_legitimate_constant_p.
8135         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
8136         pic addresses.
8137         (LEGITIMATE_PIC_OPERAND_P): Use
8138         arc_raw_symbolic_reference_mentioned_p function.
8139         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
8140         function.
8141         (Cal): Likewise.
8142         (C32): Likewise.
8143
8144 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8145         Andrew Burgess  <andrew.burgess@embecosm.com>
8146
8147         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
8148         (arc_return_address_register): New function.
8149         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
8150         (arc_handle_fndecl_attribute): Add naked attribute.
8151         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
8152         (TARGET_WARN_FUNC_RETURN): Likewise.
8153         (arc_allocate_stack_slots_for_args): New function.
8154         (arc_warn_func_return): Likewise.
8155         (machine_function): Change type fn_type.
8156         (arc_compute_function_type): Consider new naked function type,
8157         change function return type.
8158         (arc_must_save_register): Adapt to handle new
8159         arc_compute_function_type's return type.
8160         (arc_expand_prologue): Likewise.
8161         (arc_expand_epilogue): Likewise.
8162         (arc_return_address_regs): Delete.
8163         (arc_return_address_register): New function.
8164         (arc_epilogue_uses): Use above function.
8165         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
8166         (arc_function_type): Change encoding, add naked type.
8167         (ARC_INTERRUPT_P): Change to handle the new encoding.
8168         (ARC_FAST_INTERRUPT_P): Likewise.
8169         (ARC_NORMAL_P): Define.
8170         (ARC_NAKED_P): Likewise.
8171         (arc_compute_function_type): Delete prototype.
8172         * config/arc/arc.md (in_ret_delay_slot): Use
8173         arc_return_address_register function.
8174         (simple_return): Likewise.
8175         (p_return_i): Likewise.
8176
8177 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8178
8179         PR tree-optimization/81428
8180         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
8181         can't be built for those types.
8182
8183 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8184
8185         Remove stuff dead since r239246.
8186
8187         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
8188         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
8189         (avr_inform_devices): Remove dead stuff.
8190
8191 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
8192
8193         * config/arm/arm_neon.h: Fix softp typo.
8194
8195 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8196
8197         PR tree-optimization/81365
8198         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
8199         aggregate moves onto bb predecessor edges, make sure there are no
8200         loads that could alias the lhs in between the start of bb and the
8201         loads from *phi.
8202
8203 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8204
8205         PR 80929
8206         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
8207         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
8208         [LSHIFTRT, outer_code = TRUNCATE]: Same.
8209
8210 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8211
8212         PR tree-optimization/81396
8213         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
8214         (init_symbolic_number): Initialize it to 1.
8215         (perform_symbolic_merge): Add n_ops from both operands into the new
8216         n_ops.
8217         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
8218         without base_addr as useless if they need more than one operation.
8219         (bswap_replace): Handle !bswap case for NULL base_addr.
8220
8221 2017-07-17  Tom de Vries  <tom@codesourcery.com>
8222
8223         PR target/81069
8224         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
8225         as possible.
8226
8227 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8228
8229         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
8230         conditional builtin define __FIX_LEON3FT_B2BST.
8231
8232 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
8233
8234         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
8235         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
8236         with -mfix-ut700.
8237
8238 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8239
8240         PR rtl-optimization/81424
8241         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
8242         to remove potential trapping from operands if -fnon-call-exceptions.
8243
8244 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8245
8246         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
8247         profile_proability for scalling.
8248         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
8249
8250 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8251
8252         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
8253
8254 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8255
8256         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
8257         fixpoint arithmetics.
8258
8259 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8260
8261         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
8262         fixpoint arithmetics.
8263
8264 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8265
8266         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
8267         fixpoint arithmetics.
8268
8269 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8270
8271         * profile-count.h (profile_probability::from_reg_br_prob_note,
8272         profile_probability::to_reg_br_prob_note): New functions.
8273         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
8274         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
8275         * predict.c (probability_reliable_p): Update.
8276         (edge_probability_reliable_p): Update.
8277         (br_prob_note_reliable_p): Update.
8278         (invert_br_probabilities): Update.
8279         (add_reg_br_prob_note): New function.
8280         (combine_predictions_for_insn): Update.
8281         * asan.c (asan_clear_shadow): Update.
8282         * cfgbuild.c (compute_outgoing_frequencies): Update.
8283         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
8284         (update_br_prob_note): Update.
8285         (rtl_verify_edges): Update.
8286         (purge_dead_edges): Update.
8287         (fixup_reorder_chain): Update.
8288         * emit-rtl.c (try_split): Update.
8289         * ifcvt.c (cond_exec_process_insns): Update.
8290         (cond_exec_process_if_block): Update.
8291         (dead_or_predicable): Update.
8292         * internal-fn.c (expand_addsub_overflow): Update.
8293         (expand_neg_overflow): Update.
8294         (expand_mul_overflow): Update.
8295         * loop-doloop.c (doloop_modify): Update.
8296         * loop-unroll.c (compare_and_jump_seq): Update.
8297         * optabs.c (emit_cmp_and_jump_insn_1): Update.
8298         * predict.h: Update.
8299         * reorg.c (mostly_true_jump): Update.
8300         * rtl.h: Update.
8301         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
8302         * config/alpha/alpha.c (emit_unlikely_jump): Update.
8303         * config/arc/arc.c: (emit_unlikely_jump): Update.
8304         * config/arm/arm.c: (emit_unlikely_jump): Update.
8305         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
8306         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
8307         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
8308         (ix86_print_operand): Update.
8309         (ix86_split_fp_branch): Update.
8310         (predict_jump): Update.
8311         * config/ia64/ia64.c (ia64_print_operand): Update.
8312         * config/mmix/mmix.c (mmix_print_operand): Update.
8313         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
8314         (rs6000_expand_split_stack_prologue): Update.
8315         * config/rs6000/rs6000.c: Update.
8316         * config/s390/s390.c (s390_expand_vec_strlen): Update.
8317         (s390_expand_vec_movstr): Update.
8318         (s390_expand_cs_tdsi): Update.
8319         (s390_expand_split_stack_prologue): Update.
8320         * config/sh/sh.c (sh_print_operand): Update.
8321         (expand_cbranchsi4): Update.
8322         (expand_cbranchdi4): Update.
8323         * config/sparc/sparc.c (output_v9branch): Update.
8324         * config/spu/spu.c (get_branch_target): Update.
8325         (ea_load_store_inline): Update.
8326         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
8327         * config/tilepro/tilepro.c: Update.
8328
8329 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8330
8331         * gimplify.c (mostly_copy_tree_r): Revert latest change.
8332         (gimplify_save_expr): Likewise.
8333
8334 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8335
8336         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
8337
8338 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8339
8340         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
8341         TV_IPA_FNSUMMARY.
8342         * timevar.def (TV_IPA_FNSUMMARY): Define.
8343
8344 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
8345
8346         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
8347         to back store errata sensitive sequence from being generated.
8348         (sqrtdf2_fix): Likewise.
8349
8350 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8351
8352         * tree-ssa-threadupdate.c (compute_path_counts,
8353         update_joiner_offpath_counts): Use profile_probability.
8354
8355 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8356
8357         Revert:
8358         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8359
8360         * config/arm/arm-c.c (arm_cpu_builtins): Define
8361         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8362
8363 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8364
8365         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8366         array entries to represent __ieee128 versions of the
8367         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
8368         scalar_extract_sig, and scalar_insert_exp built-in functions.
8369         (altivec_resolve_overloaded_builtin): Add special case handling
8370         for the __builtin_scalar_insert_exp function, as represented by
8371         the P9V_BUILTIN_VEC_VSIEDP constant.
8372         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
8373         exponent support for __ieee128 argument.
8374         (VSESQP): Add scalar extract signature support for __ieee128
8375         argument.
8376         (VSTDCNQP): Add scalar test negative support for __ieee128
8377         argument.
8378         (VSIEQP): Add scalar insert exponent support for __int128 argument
8379         with __ieee128 result.
8380         (VSIEQPF): Add scalar insert exponent support for __ieee128
8381         argument with __ieee128 result.
8382         (VSTDCQP): Add scalar test data class support for __ieee128
8383         argument.
8384         (VSTDCNQP): Add overload support for scalar test negative with
8385         __ieee128 argument.
8386         (VSTDCQP): Add overload support for scalar test data class
8387         __ieee128 argument.
8388         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
8389         UNSPEC_VSX_SXSIGDP.
8390         (UNSPEC_VSX_SIEXPQP): New constant.
8391         (xsxexpqp): New insn for VSX scalar extract exponent quad
8392         precision.
8393         (xsxsigqp): New insn for VSX scalar extract significand quad
8394         precision.
8395         (xsiexpqpf): New insn for VSX scalar insert exponent quad
8396         precision with floating point argument.
8397         (xststdcqp): New expand for VSX scalar test data class quad
8398         precision.
8399         (xststdcnegqp): New expand for VSX scalar test negative quad
8400         precision.
8401         (xststdcqp): New insn to match expansions for VSX scalar test data
8402         class quad precision and VSX scalar test negative quad precision.
8403         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
8404         special case operand checking to enforce that second operand of
8405         VSX scalar test data class with quad precision argument is a 7-bit
8406         unsigned literal.
8407         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
8408         prototypes and descriptions of __ieee128 versions of
8409         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
8410         scalar_test_data_class, and scalar_test_neg built-in functions.
8411
8412 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8413
8414         PR tree-optimization/81162
8415         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
8416         replace a negate with an add.
8417
8418 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
8419
8420         * doc/invoke.texi (arm/-mcpu): Document +crypto.
8421
8422 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8423
8424         * config/arm/arm-c.c (arm_cpu_builtins): Define
8425         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8426
8427 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8428
8429         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
8430         (armv8-r): Set ARM Cortex-R52 as default CPU.
8431         * config/arm/arm-tables.opt: Regenerate.
8432         * config/arm/arm-tune.md: Regenerate.
8433         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
8434         Cortex-R52.
8435         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
8436         extension for -mcpu=cortex-r52.
8437
8438 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8439
8440         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
8441         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
8442         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
8443         (fp-armv8): Define it as FP_ARMv8 only.
8444         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
8445         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
8446         TARGET_FPU_ARMV8.
8447         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
8448         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
8449         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
8450         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
8451         than TARGET_FPU_ARMV8.
8452         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
8453         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
8454         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
8455         TARGET_FPU_ARMV8.
8456         * config/arm/neon.md (neon_vrint): Likewise.
8457         (neon_vcvt): Likewise.
8458         (neon_<fmaxmin_op><mode>): Likewise.
8459         (<fmaxmin><mode>3): Likewise.
8460         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
8461         * config/arm/predicates.md (arm_cond_move_operator): Check against
8462         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
8463
8464 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
8465
8466         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
8467         to top of function.
8468
8469 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8470
8471         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
8472         loop in comment with memset.
8473
8474 2017-07-14  Martin Liska  <mliska@suse.cz>
8475
8476         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
8477         * dwarf2out.c (is_java): Remove the function.
8478         (output_pubname): Remove usage of the function.
8479         (lower_bound_default): Remove usage of DW_LANG_Java.
8480         (gen_compile_unit_die): Likewise.
8481         * gcc.c: Remove compiler defaults for .java and .zip files.
8482         * gimple-expr.c (remove_suffix): Change as there's no longer
8483         extension than 4-letter one.
8484         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
8485         (gimplify_save_expr): Likewise.
8486         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
8487         as it's possible even for other languages than Java.
8488         * langhooks.h (struct lang_hooks): Remove Java from a comment.
8489         * lto-opts.c (lto_write_options): Remove reference to Java.
8490         * opts.c (strip_off_ending): Update file extension handling.
8491         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
8492         * tree-eh.c (lower_resx): Likewise.
8493         * tree.c (free_lang_data_in_type): Remove dead code.
8494         (find_decls_types_r): Likewise.
8495         (build_common_builtin_nodes): Remove Java from a comment.
8496         (verify_type): Remove dead code.
8497         * varasm.c (assemble_external): Remove Java from a comment.
8498
8499 2017-07-14  Martin Liska  <mliska@suse.cz>
8500
8501         * opts.c (finish_options): Add quotes.
8502         (common_handle_option): Likewise.
8503
8504 2017-07-14  Martin Liska  <mliska@suse.cz>
8505
8506         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
8507         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
8508         Remove N_SO_PASCAL.
8509         * dwarf2out.c (lower_bound_default): Do not handle
8510         DW_LANG_Pascal83.
8511         (gen_compile_unit_die): Likewise.
8512         * gcc.c: Remove default extension binding for GNU Pascal.
8513         * stmt.c: Remove Pascal language from a comment.
8514         * xcoffout.c: Likewise.
8515
8516 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
8517
8518         PR c/81405
8519         * diagnostic-show-locus.c (fixit_cmp): New function.
8520         (layout::layout): Sort m_fixit_hints.
8521         (column_range::column_range): Assert that the values are valid.
8522         (struct char_span): New struct.
8523         (correction::overwrite): New method.
8524         (struct source_line): New struct.
8525         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
8526         calls in terms of classes source_line and char_span, and
8527         correction::overwrite.
8528         (selftest::test_overlapped_fixit_printing_2): New function.
8529         (selftest::diagnostic_show_locus_c_tests): Call it.
8530
8531 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
8532
8533         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
8534         early if there is no lhs.
8535
8536 2017-07-13  Martin Liska  <mliska@suse.cz>
8537
8538         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
8539         (gen_reference_type_die): Likewise.
8540         * stor-layout.c: Remove Pascal-related comment.
8541
8542 2017-07-13  Martin Liska  <mliska@suse.cz>
8543
8544         * opts.c (finish_options): Add quotes to error messages.
8545         (parse_sanitizer_options): Likewise.
8546
8547 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8548
8549         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
8550
8551 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
8552
8553         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
8554
8555 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8556
8557         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
8558         during expansion.
8559         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
8560
8561 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8562
8563         PR target/81193
8564         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
8565         provides the hardware capability bits, define the macro
8566         __BUILTIN_CPU_SUPPORTS__.
8567         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
8568         if GLIBC does not provide the hardware capability bits.  Add a
8569         gcc_unreachable call if the built-in cpu function is neither
8570         __builtin_cpu_is nor __builtin_cpu_supports.
8571         (rs6000_get_function_versions_dispatcher): Change the warning
8572         that an old GLIBC is used which does not export the capability
8573         bits to be an error.
8574         * doc/extend.texi (target_clones attribute): Document the
8575         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
8576         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
8577         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
8578         the macros defined by GCC if the newer GLIBC is available.
8579
8580 2017-07-12  Jeff Law  <law@redhat.com>
8581
8582         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
8583         remaining includes slightly.
8584         * config/riscv/riscv-builtins.c: Include profile-count.h.
8585
8586 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8587
8588         PR target/79883
8589         * config/avr/avr.c (avr_set_current_function): In diagnostic
8590         messages: Quote keywords and (parts of) identifiers.
8591         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
8592         "INTERUPT".
8593
8594 2017-07-12  Carl Love  <cel@us.ibm.com>
8595
8596         * config/rs6000/rs6000-c.c: Add support for built-in functions
8597         vector bool char vec_revb (vector bool char);
8598         vector bool short vec_revb (vector short char);
8599         vector bool int vec_revb (vector bool int);
8600         vector bool long long vec_revb (vector bool long long);
8601         * doc/extend.texi: Update the built-in documentation file for the
8602         new built-in functions.
8603
8604 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8605
8606         * config/s390/s390.md: Remove movcc splitter.
8607
8608 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8609
8610         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
8611         load/store on condition.
8612
8613 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8614
8615         PR target/81407
8616         * config/avr/avr.c (avr_encode_section_info)
8617         [progmem && !TREE_READONLY]: Error if progmem object needs
8618         constructing.
8619
8620 2017-07-11  Michael Collison  <michael.collison@arm.com>
8621
8622         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
8623         New pattern.
8624
8625 2017-07-11  Carl Love  <cel@us.ibm.com>
8626
8627         * config/rs6000/rs6000-c.c: Add support for builtins
8628         vector unsigned int vec_parity_lsbb (vector signed int);
8629         vector unsigned int vec_parity_lsbb (vector unsigned int);
8630         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
8631         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
8632         vector unsigned long long vec_parity_lsbb (vector signed long long);
8633         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
8634         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
8635         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
8636         * doc/extend.texi: Update the built-in documentation file for the
8637         new built-in functions.
8638
8639 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
8640
8641         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
8642         (layout::m_primary_loc): New field.
8643         (layout::layout): Initialize new field.  Move location filtering
8644         logic from here to...
8645         (layout::maybe_add_location_range): ...this new method.  Add
8646         support for filtering to just the lines already specified by other
8647         locations.
8648         (layout::will_show_line_p): New method.
8649         (gcc_rich_location::add_location_if_nearby): New method.
8650         (selftest::test_add_location_if_nearby): New test function.
8651         (selftest::diagnostic_show_locus_c_tests): Call it.
8652         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
8653         New method.
8654
8655 2017-07-11  Tom de Vries  <tom@codesourcery.com>
8656
8657         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
8658         (bb_first_real_insn): New function.
8659         (nvptx_single): Add extra initialization of broadcasted condition
8660         variables.
8661
8662 2017-07-11  Nathan Sidwell  <nathan@acm.org>
8663
8664         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
8665
8666 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
8667
8668         * doc/extend.texi (AVR Function Attributes): Remove weblink to
8669         Binutils doc as TEXI will mess them up.
8670         * doc/invoke.texi (AVR Options): Same here.
8671
8672 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
8673
8674         * config/sparc/sparc.opt (mfix-ut700): New option.
8675         (mfix-gr712rc): Likewise.
8676         (sparc_fix_b2bst): New variable.
8677         * doc/invoke.texi (SPARC options): Document them.
8678         (ARM options): Fix warnings.
8679         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
8680         instructions to prevent sequences that can trigger the store-store
8681         errata for certain LEON3FT processors.
8682         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
8683         (sparc_option_override): Set sparc_fix_b2bst appropriately.
8684         * config/sparc/sparc.md (fix_b2bst): New attribute.
8685         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
8686
8687 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
8688
8689         PR target/81375
8690         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
8691         (rcpps): Ditto.
8692         (*rsqrtsf2_sse): Ditto.
8693         (rsqrtsf2): Ditto.
8694         (div<mode>3): Macroize insn from divdf3 and divsf3
8695         using MODEF mode iterator.
8696
8697 2017-07-10  Martin Sebor  <msebor@redhat.com>
8698
8699         PR tree-optimization/80397
8700         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
8701         instead of testing for equality to INTEGER_TYPE.
8702
8703 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
8704
8705         * config.gcc: Remove uclibc from arc target spec.
8706
8707 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
8708
8709         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
8710
8711 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8712
8713         PR lto/80838
8714         * lto-wrapper.c (remove_option): New function.
8715         (merge_and_complain): Merge PIC/PIE options more realistically.
8716
8717 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8718
8719         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
8720
8721         PR target/20296
8722         PR target/81268
8723         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
8724         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
8725         * config.in: Regenerate.
8726         * configure: Regenerate.
8727         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
8728         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
8729         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
8730         (TARGET_GASISR_PROLOGUES): ...target mask.
8731         * common/config/avr/avr-common.c
8732         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
8733         Set -mgas-isr-prologues.
8734         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
8735         INSERT_PASS_BEFORE for it.
8736         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
8737         * config/avr/avr.c (avr_option_override)
8738         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
8739         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
8740         (avr_attribute_table) <no_gccisr>: Add new function attribute.
8741         (avr_set_current_function) <is_no_gccisr>: Init machine field.
8742         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
8743         and rtl_opt_pass.
8744         (make_avr_pass_pre_proep): New function.
8745         (emit_push_sfr) <treg>: Add argument to function and use it
8746         instead of TMP_REG.
8747         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
8748         and set machine->gasisr.yes.
8749         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
8750         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
8751         __gcc_isr.n_pushed to .L__stack_usage.
8752         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
8753         (avr_asm_final_postscan_insn): ...this new static function.
8754         * config/avr/avr.h (machine_function)
8755         <is_no_gccisr, use_L__stack_usage>: New fields.
8756         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
8757         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
8758         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
8759         (gasisr, *gasisr): New expander and insn.
8760         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
8761         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
8762         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
8763
8764 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
8765
8766         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
8767         in quoted strings.
8768
8769 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8770
8771         Move jump-tables out of .text again.
8772
8773         PR target/81075
8774         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
8775         (ASM_OUTPUT_ADDR_VEC): New function.
8776         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
8777         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
8778         INSN_ADDRESSes as asm comment.
8779         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
8780         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
8781         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
8782         * config/avr/avr.md (*tablejump): Adjust comment.
8783         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
8784         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
8785         New detail.
8786         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
8787         (avr_output_addr_vec): New proto.
8788         (avr_log_t) <insn_addresses>: New field.
8789
8790 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
8791
8792         PR target/81313
8793         * config/i386/i386.c (ix86_function_arg_advance): Set
8794         outgoing_args_on_stack to true if there are outgoing arguments
8795         on stack.
8796         (ix86_function_arg): Likewise.
8797         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
8798         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
8799         * config/i386/i386.h (machine_function): Add
8800         outgoing_args_on_stack.
8801
8802 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
8803
8804         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
8805         supporting pthreds.
8806         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
8807
8808 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
8809
8810         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
8811         (REAL_H): Remove $(MACHMODE_H).
8812         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
8813         double-int.h.
8814         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
8815         $(MACHMODE_H) and double-int.h.
8816         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
8817         $(MACHMODE_H).
8818         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
8819         double-int.h.
8820
8821 2017-07-07  Andrew Pinski  <apinski@cavium.com>
8822
8823         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
8824         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
8825
8826 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
8827
8828         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
8829         Add warning if GCC was not configured to link against a GLIBC that
8830         exports the hardware capability bits.
8831         (make_resolver_func): Make resolver function private and not a
8832         COMDAT function.  Create the name with clone_function_name instead
8833         of make_unique_name.
8834
8835         PR target/81348
8836         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
8837         correct operand in doing the split.
8838
8839 2017-07-07 Carl Love  <cel@us.ibm.com>
8840
8841         * config/rs6000/rs6000-c: Add support for built-in function
8842         vector unsigned short vec_pack_to_short_fp32 (vector float,
8843                                                       vector float).
8844         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
8845         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
8846         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
8847         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
8848         (convert_4f32_8i16): Add define_expand.
8849         * doc/extend.texi: Update the built-in documentation file for the
8850         new built-in function.
8851
8852 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8853
8854         * config/sparc/m8.md: New file.
8855         * config/sparc/sparc.md: Include m8.md.
8856
8857 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8858
8859         * config/sparc/sparc.opt: New option -mvis4b.
8860         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
8861         (sparc_option_override): Handle VIS4B.
8862         (enum sparc_builtins): Define
8863         SPARC_BUILTIN_DICTUNPACK{8,16,32},
8864         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
8865         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
8866         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
8867         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
8868         (check_constant_argument): New function.
8869         (sparc_vis_init_builtins): Define builtins
8870         __builtin_vis_dictunpack{8,16,32},
8871         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
8872         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
8873         __builtin_vis_fpcmpde{8,16,32}shl and
8874         __builtin_vis_fpcmpur{8,16,32}shl.
8875         (sparc_expand_builtin): Check that the constant operands to
8876         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
8877         constant and in range.
8878         * config/sparc/sparc-c.c (sparc_target_macros): Handle
8879         TARGET_VIS4B.
8880         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
8881         (SPARC_IMM5_P): Likewise.
8882         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
8883         (enabled): Handle vis4b.
8884         (UNSPEC_DICTUNPACK): New unspec.
8885         (UNSPEC_FPCMPSHL): Likewise.
8886         (UNSPEC_FPUCMPSHL): Likewise.
8887         (UNSPEC_FPCMPDESHL): Likewise.
8888         (UNSPEC_FPCMPURSHL): Likewise.
8889         (cpu_feature): New CPU feature `vis4b'.
8890         (dictunpack{8,16,32}): New insns.
8891         (FPCSMODE): New mode iterator.
8892         (fpcscond): New code iterator.
8893         (fpcsucond): Likewise.
8894         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
8895         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
8896         (fpcmpde{8,16,32}{si,di}shl): Likewise.
8897         (fpcmpur{8,16,32}{si,di}shl): Likewise.
8898         * config/sparc/constraints.md: Define constraints `q' for unsigned
8899         2-bit integer constants and `t' for unsigned 5-bit integer
8900         constants.
8901         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
8902         predicate.
8903         (imm5_operand_dictunpack16): Likewise.
8904         (imm5_operand_dictunpack32): Likewise.
8905         (imm2_operand): Likewise.
8906         * doc/invoke.texi (SPARC Options): Document -mvis4b.
8907         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
8908         ditunpack* and fpcmp*shl builtins.
8909
8910 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8911
8912         * config.gcc: Handle m8 in --with-{cpu,tune} options.
8913         * config.in: Add HAVE_AS_SPARC6 define.
8914         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
8915         M8.
8916         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
8917         TARGET_CPU_m8.
8918         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
8919         (CPP_CPU_SPEC): Handle m8.
8920         (ASM_CPU_SPEC): Likewise.
8921         * config/sparc/sparc-opts.h (enum processor_type): Add
8922         PROCESSOR_M8.
8923         * config/sparc/sparc.c (m8_costs): New struct.
8924         (sparc_option_override): Handle TARGET_CPU_m8.
8925         (sparc32_initialize_trampoline): Likewise.
8926         (sparc64_initialize_trampoline): Likewise.
8927         (sparc_issue_rate): Likewise.
8928         (sparc_register_move_cost): Likewise.
8929         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
8930         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
8931         (ASM_CPU64_DEFAULT_SPEC): Likewise.
8932         (CPP_CPU_SPEC): Handle M8.
8933         (ASM_CPU_SPEC): Likewise.
8934         (AS_M8_FLAG): Define.
8935         * config/sparc/sparc.md: Add m8 to the cpu attribute.
8936         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
8937         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
8938         M8 instructions.
8939         * configure: Regenerate.
8940         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
8941         -mtune=m8.
8942
8943 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8944
8945         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
8946         subtypes.
8947         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
8948         ("*movdi_insn_sp32"): Do not set v3pipe.
8949         ("*movsi_insn"): Likewise.
8950         ("*movdi_insn_sp64"): Likewise.
8951         ("*movsf_insn"): Likewise.
8952         ("*movdf_insn_sp32"): Likewise.
8953         ("*movdf_insn_sp64"): Likewise.
8954         ("*zero_extendsidi2_insn_sp64"): Likewise.
8955         ("*sign_extendsidi2_insn"): Likewise.
8956         ("*mov<VM32:mode>_insn"): Likewise.
8957         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8958         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8959         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8960         ("<vlop:code><VL:mode>3"): Likewise.
8961         ("*not_<vlop:code><VL:mode>3"): Likewise.
8962         ("*nand<VL:mode>_vis"): Likewise.
8963         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
8964         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
8965         ("one_cmpl<VL:mode>2"): Likewise.
8966         ("faligndata<VM64:mode>_vis"): Likewise.
8967         ("alignaddrsi_vis"): Likewise.
8968         ("alignaddrdi_vis"): Likweise.
8969         ("alignaddrlsi_vis"): Likewise.
8970         ("alignaddrldi_vis"): Likewise.
8971         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8972         ("bmaskdi_vis"): Likewise.
8973         ("bmasksi_vis"): Likewise.
8974         ("bshuffle<VM64:mode>_vis"): Likewise.
8975         ("cmask8<P:mode>_vis"): Likewise.
8976         ("cmask16<P:mode>_vis"): Likewise.
8977         ("cmask32<P:mode>_vis"): Likewise.
8978         ("pdistn<P:mode>_vis"): Likewise.
8979         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8980
8981 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8982
8983         * config/sparc/sparc.md ("subtype"): New insn attribute.
8984         ("*wrgsr_sp64"): Set insn subtype.
8985         ("*rdgsr_sp64"): Likewise.
8986         ("alignaddrsi_vis"): Likewise.
8987         ("alignaddrdi_vis"): Likewise.
8988         ("alignaddrlsi_vis"): Likewise.
8989         ("alignaddrldi_vis"): Likewise.
8990         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8991         ("fexpand_vis"): Likewise.
8992         ("fpmerge_vis"): Likewise.
8993         ("faligndata<VM64:mode>_vis"): Likewise.
8994         ("bshuffle<VM64:mode>_vis"): Likewise.
8995         ("cmask8<P:mode>_vis"): Likewise.
8996         ("cmask16<P:mode>_vis"): Likewise.
8997         ("cmask32<P:mode>_vis"): Likewise.
8998         ("fchksm16_vis"): Likewise.
8999         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
9000         ("fmean16_vis"): Likewise.
9001         ("fp<plusminus_insn>64_vis"): Likewise.
9002         ("<plusminus_insn>v8qi3"): Likewise.
9003         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
9004         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
9005         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
9006         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
9007         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
9008         ("*movqi_insn"): Likewise.
9009         ("*movhi_insn"): Likewise.
9010         ("*movsi_insn"): Likewise.
9011         ("movsi_pic_gotdata_op"): Likewise.
9012         ("*movdi_insn_sp32"): Likewise.
9013         ("*movdi_insn_sp64"): Likewise.
9014         ("movdi_pic_gotdata_op"): Likewise.
9015         ("*movsf_insn"): Likewise.
9016         ("*movdf_insn_sp32"): Likewise.
9017         ("*movdf_insn_sp64"): Likewise.
9018         ("*zero_extendhisi2_insn"): Likewise.
9019         ("*zero_extendqihi2_insn"): Likewise.
9020         ("*zero_extendqisi2_insn"): Likewise.
9021         ("*zero_extendqidi2_insn"): Likewise.
9022         ("*zero_extendhidi2_insn"): Likewise.
9023         ("*zero_extendsidi2_insn_sp64"): Likewise.
9024         ("ldfsr"): Likewise.
9025         ("prefetch_64"): Likewise.
9026         ("prefetch_32"): Likewise.
9027         ("tie_ld32"): Likewise.
9028         ("tie_ld64"): Likewise.
9029         ("*tldo_ldub_sp32"): Likewise.
9030         ("*tldo_ldub1_sp32"): Likewise.
9031         ("*tldo_ldub2_sp32"): Likewise.
9032         ("*tldo_ldub_sp64"): Likewise.
9033         ("*tldo_ldub1_sp64"): Likewise.
9034         ("*tldo_ldub2_sp64"): Likewise.
9035         ("*tldo_ldub3_sp64"): Likewise.
9036         ("*tldo_lduh_sp32"): Likewise.
9037         ("*tldo_lduh1_sp32"): Likewise.
9038         ("*tldo_lduh_sp64"): Likewise.
9039         ("*tldo_lduh1_sp64"): Likewise.
9040         ("*tldo_lduh2_sp64"): Likewise.
9041         ("*tldo_lduw_sp32"): Likewise.
9042         ("*tldo_lduw_sp64"): Likewise.
9043         ("*tldo_lduw1_sp64"): Likewise.
9044         ("*tldo_ldx_sp64"): Likewise.
9045         ("*mov<VM32:mode>_insn"): Likewise.
9046         ("*mov<VM64:mode>_insn_sp64"): Likewise.
9047         ("*mov<VM64:mode>_insn_sp32"): Likewise.
9048
9049 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9050
9051         * config/sparc/sparc.md ("type"): New insn type viscmp.
9052         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
9053         viscmp.
9054         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
9055         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
9056         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
9057         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
9058         viscmp.
9059         ("n7_vis_logical_11cycle"): Likewise.
9060         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
9061         * config/sparc/niagara2.md ("niag3_vis": Likewise.
9062         * config/sparc/niagara.md ("niag_vis"): Likewise.
9063         * config/sparc/ultra3.md ("us3_fga"): Likewise.
9064         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
9065
9066 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9067
9068         * config/sparc/sparc.md: New instruction type `bmask'.
9069         (bmaskdi_vis): Use the `bmask' type.
9070         (bmasksi_vis): Likewise.
9071         * config/sparc/ultra3.md (us3_array): Likewise.
9072         * config/sparc/niagara7.md (n7_array): Likewise.
9073         * config/sparc/niagara4.md (n4_array): Likewise.
9074         * config/sparc/niagara2.md (niag2_vis): Likewise.
9075         (niag3_vis): Likewise.
9076         * config/sparc/niagara.md (niag_vis): Likewise.
9077
9078 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9079
9080         * ipa-comdats.c: Remove optimize check from gate.
9081         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
9082         for functions not optimized.
9083         (ipa_fn_summary_read): Skip optimize check.
9084         (ipa_fn_summary_write): Likewise.
9085         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
9086         is optimized.
9087         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
9088         uninlinable.
9089         (can_inline_edge_p): Check flag_pcc_struct_return for match.
9090         (check_callers): Give up on caller which is not optimized.
9091         (inline_small_functions): Likewise.
9092         (ipa_inline): Do not give up when not optimizing.
9093         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
9094         away unoptimizes cdtors.
9095         (whole_program_function_and_variable_visibility): Do
9096         ipa_discover_readonly_nonaddressable_vars in LTO mode.
9097         * ipa.c (process_references): Do not check optimize.
9098         (symbol_table::remove_unreachable_nodes): Update optimize check.
9099         (set_writeonly_bit): Update optimize check.
9100         (pass_ipa_cdtor_merge::gate): Do not check optimize.
9101         (pass_ipa_single_use::gate): Remove.
9102
9103 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9104
9105         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
9106         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
9107         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
9108         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
9109         permute_load, permute_store, adjust_extract, adjust_splat,
9110         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
9111         replace_swap_with_copy, dump_swap_insn_table,
9112         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
9113         recombine_lvx_pattern, recombine_stvx_pattern,
9114         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
9115         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
9116         to file rs6000-p8swap.c.
9117         * config/rs6000/rs6000-p8swap.c: New file.
9118         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
9119         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
9120         and rs6000*-*-* targets.
9121
9122 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9123
9124         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
9125
9126 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9127
9128         * lto-wrapper.c (merge_and_complain): Do not merge
9129         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
9130         fsigned_zeros, ftrapping_math, fwrapv.
9131         (append_compiler_options): Do not track these options.
9132         (append_linker_options): Likewie
9133
9134 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9135
9136         * cgraphunit.c (cgraph_node::finalize_function): When
9137         !flag_toplevel_reorde set no_reorder flag.
9138         (varpool_node::finalize_decl): Likewise.
9139         (symbol_table::compile): Drop no toplevel reorder path.
9140
9141 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9142
9143         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
9144         edges; zero probability is not better than uninitialized.
9145
9146 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9147
9148         * asan.h (asan_sanitize_allocas_p): Declare.
9149         * asan.c (asan_sanitize_allocas_p): New function.
9150         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
9151         (handle_builtin_alloca): Likewise.
9152         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
9153         if !asan_sanitize_allocas_p.
9154         * params.def (asan-instrument-allocas): Add new option.
9155         * params.h (ASAN_PROTECT_ALLOCAS): Define.
9156         * opts.c (common_handle_option): Disable allocas sanitization for
9157         KASan by default.
9158
9159 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9160
9161         * asan.c: Include gimple-fold.h.
9162         (get_last_alloca_addr): New function.
9163         (handle_builtin_stackrestore): Likewise.
9164         (handle_builtin_alloca): Likewise.
9165         (asan_emit_allocas_unpoison): Likewise.
9166         (get_mem_refs_of_builtin_call): Add new parameter, remove const
9167         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
9168         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
9169         (instrument_builtin_call): Pass gimple iterator to
9170         get_mem_refs_of_builtin_call.
9171         (last_alloca_addr): New global.
9172         * asan.h (asan_emit_allocas_unpoison): Declare.
9173         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
9174         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
9175         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
9176         if function calls alloca.
9177         * gimple-fold.c (replace_call_with_value): Remove static keyword.
9178         * gimple-fold.h (replace_call_with_value): Declare.
9179         * internal-fn.c: Include asan.h.
9180         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
9181         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
9182
9183 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9184
9185         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
9186         (C_SELFTEST_FLAGS): New.
9187         (CPP_SELFTEST_FLAGS): New.
9188         (SELFTEST_DEPS): New, from deps of s-selftest.
9189         (C_SELFTEST_DEPS): New, from deps of s-selftest.
9190         (CPP_SELFTEST_DEPS): New.
9191         (selftest): Add dependency on s-selftest-c++.
9192         (s-selftest): Rename to...
9193         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
9194         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
9195         than SELFTEST_FLAGS.
9196         (selftest-gdb): Rename to...
9197         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
9198         C_SELFTEST_FLAGS.
9199         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
9200         (selftest-valgrind): Rename to...
9201         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
9202         C_SELFTEST_FLAGS.
9203         (selftest-valgrind): Reintroduce as an alias for
9204         selftest-c-valgrind.
9205         (s-selftest-c++): New.
9206         (selftest-c++-gdb): New.
9207         (selftest-c++-valgrind): New.
9208
9209 2017-07-06  Olivier Hainque  <hainque@adacore.com>
9210
9211         * gcc.c (process_command): When deciding if undefined variables
9212         should be ignored when processing specs, accept "gcc -v" as well.
9213
9214 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9215
9216         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
9217         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
9218
9219 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9220
9221         * config/arm/arm-cpus.in (armv8-r): Add new entry.
9222         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
9223         * config/arm/arm-tables.opt: Regenerate.
9224         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
9225         enumerator.
9226         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
9227
9228 2017-07-06  Carl Love  <cel@us.ibm.com>
9229
9230         * ChangeLog: Clean up from mid air collision
9231
9232 2017-07-06  Carl Love  <cel@us.ibm.com>
9233
9234         * config/rs6000/rs6000-c.c: Add support for built-in functions
9235         vector signed int vec_subc (vector signed int, vector signed int);
9236         vector signed __int128 vec_subc (vector signed __int128,
9237                                          vector signed __int128);
9238         vector unsigned __int128 vec_subc (vector unsigned __int128,
9239                                            vector unsigned __int128);
9240         vector signed int vec_sube (vector signed int, vector signed int,
9241                                     vector signed int);
9242         vector unsigned int vec_sube (vector unsigned int,
9243                                       vector unsigned int,
9244                                       vector unsigned int);
9245         vector signed __int128 vec_sube (vector signed __int128,
9246                                          vector signed __int128,
9247                                          vector signed__int128);
9248         vector unsigned __int128 vec_sube (vector unsigned __int128,
9249                                            vector unsigned __int128,
9250                                            vector unsigned __int128);
9251         vector signed int vec_subec (vector signed int, vector signed int,
9252                                      vector signed int);
9253         vector unsigned int vec_subec (vector unsigned int,
9254                                        vector unsigned int,
9255                                        vector unsigned int);
9256         vector signed __int128 vec_subec (vector signed __int128,
9257                                           vector signed __int128,
9258                                           vector signed__int128);
9259         vector unsigned __int128 vec_subec (vector unsigned __int128,
9260                                             vector unsigned __int128,
9261                                             vector unsigned __int128);
9262         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
9263         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
9264         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
9265         BU_ALTIVEC_OVERLOAD_X definitions.
9266         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
9267         * doc/extend.texi: Update the built-in documentation file for the new
9268         built-in functions.
9269
9270 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9271
9272         PR c++/79300
9273         * diagnostic-show-locus.c (layout::layout): Use start and finish
9274         spelling location for the start and finish of each range.
9275         * genmatch.c (linemap_client_expand_location_to_spelling_point):
9276         Add unused aspect param.
9277         * input.c (expand_location_1): Add "aspect" param, and use it
9278         to access the correct part of the location.
9279         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
9280         expand_location_1.
9281         (expand_location_to_spelling_point): Likewise.
9282         (linemap_client_expand_location_to_spelling_point): Add "aspect"
9283         param, and pass it to expand_location_1.
9284
9285 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
9286
9287         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
9288         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
9289         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
9290         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
9291         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
9292         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
9293         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
9294         _mm_maskz_getmant_ss): New intrinsics.
9295         (__builtin_ia32_getexpss128_mask): Changed to ...
9296         __builtin_ia32_getexpss128_round ... this.
9297         (__builtin_ia32_getexpsd128_mask): Changed to ...
9298         __builtin_ia32_getexpsd128_round ... this.
9299         * config/i386/i386-builtin-types.def
9300         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
9301         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
9302         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
9303         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
9304         __builtin_ia32_getmantss_mask_round): New builtins.
9305         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
9306         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
9307         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
9308         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
9309         * config/i386/sse.md
9310         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
9311         avx512f_sgetexp<mode><mask_scalar_name>
9312         <round_saeonly_scalar_name> ... this.
9313         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
9314         %0, %1, %2<round_saeonly_op3>}): Changed to ...
9315         vgetexp<ssescalarmodesuffix>
9316         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9317         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
9318         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
9319         avx512f_vgetmant<mode><mask_scalar_name>
9320         <round_saeonly_scalar_name> ... this.
9321         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
9322         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
9323         vgetmant<ssescalarmodesuffix>
9324         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
9325         %0<mask_scalar_operand4>, %1, %2
9326         <round_saeonly_scalar_mask_op4>, %3} ... this.
9327         * config/i386/subst.md (mask_scalar_operand4,
9328         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
9329         round_saeonly_scalar_nimm_predicate): New subst attributes.
9330
9331 2017-07-06  Julia Koval  <julia.koval@intel.com>
9332
9333         * config/i386/i386.c (ix86_erase_embedded_rounding):
9334         Remove code for old rounding pattern.
9335
9336 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
9337
9338         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
9339
9340 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
9341
9342         * doc/sourcebuild.texi (Test Directives, Variants of
9343         dg-require-support): Add documentation for dg-require-stack-check.
9344
9345 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
9346
9347         * config/i386/subst.md (mask_scalar, round_scalar,
9348         round_saeonly_scalar): New meta-templates.
9349         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
9350         round_scalar_mask_operand3, round_scalar_mask_op3,
9351         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
9352         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
9353         round_saeonly_scalar_constraint,
9354         round_saeonly_scalar_prefix): New subst attribute.
9355         * config/i386/sse.md
9356         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
9357         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
9358         <round_scalar_name> ... this.
9359         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
9360         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
9361         <round_scalar_name> ... this.
9362         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
9363         <sse>_vm<code><mode>3<mask_scalar_name>
9364         <round_saeonly_scalar_name> ... this.
9365         (v<plusminus_mnemonic><ssescalarmodesuffix>
9366         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9367         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9368         v<plusminus_mnemonic><ssescalarmodesuffix>
9369         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9370         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9371         (v<multdiv_mnemonic><ssescalarmodesuffix>
9372         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9373         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9374         v<multdiv_mnemonic><ssescalarmodesuffix>
9375         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9376         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9377         (v<maxmin_float><ssescalarmodesuffix>
9378         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
9379         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
9380         v<maxmin_float><ssescalarmodesuffix>
9381         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9382         %0<mask_scalar_operand3>, %1, %<iptr>2
9383         <round_saeonly_scalar_mask_op3>} ... this.
9384
9385 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
9386
9387         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
9388         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
9389
9390 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
9391             Alan Hayward  <alan.hayward@arm.com>
9392             David Sherwood  <david.sherwood@arm.com>
9393
9394         * combine.c (simplify_if_then_else): Remove "enum" before
9395         "machine_mode".
9396         * compare-elim.c (can_eliminate_compare): Likewise.
9397         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
9398         Likewise.
9399         (aarch64_lookup_simd_builtin_type): Likewise.
9400         (aarch64_simd_builtin_type): Likewise.
9401         (aarch64_init_simd_builtin_types): Likewise.
9402         (aarch64_simd_expand_args): Likewise.
9403         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
9404         Likewise.
9405         (aarch64_reverse_mask): Likewise.
9406         (aarch64_simd_emit_reg_reg_move): Likewise.
9407         (aarch64_gen_adjusted_ldpstp): Likewise.
9408         (aarch64_ccmp_mode_to_code): Likewise.
9409         (aarch64_operands_ok_for_ldpstp): Likewise.
9410         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9411         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
9412         Likewise.
9413         (aarch64_min_divisions_for_recip_mul): Likewise.
9414         (aarch64_reassociation_width): Likewise.
9415         (aarch64_get_condition_code_1): Likewise.
9416         (aarch64_simd_emit_reg_reg_move): Likewise.
9417         (aarch64_simd_attr_length_rglist): Likewise.
9418         (aarch64_reverse_mask): Likewise.
9419         (aarch64_operands_ok_for_ldpstp): Likewise.
9420         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9421         (aarch64_gen_adjusted_ldpstp): Likewise.
9422         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
9423         Likewise.
9424         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
9425         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
9426         (arm_lookup_simd_builtin_type): Likewise.
9427         (arm_simd_builtin_type): Likewise.
9428         (arm_init_simd_builtin_types): Likewise.
9429         (arm_expand_builtin_args): Likewise.
9430         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
9431         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
9432         (ft32_setup_incoming_varargs): Likewise.
9433         (ft32_function_arg): Likewise.
9434         (ft32_function_arg_advance): Likewise.
9435         (ft32_pass_by_reference): Likewise.
9436         (ft32_arg_partial_bytes): Likewise.
9437         (ft32_valid_pointer_mode): Likewise.
9438         (ft32_addr_space_pointer_mode): Likewise.
9439         (ft32_addr_space_legitimate_address_p): Likewise.
9440         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
9441         Likewise.
9442         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
9443         (ix86_emit_outlined_ms2sysv_restore): Likewise.
9444         (iamcu_alignment): Likewise.
9445         (canonicalize_vector_int_perm): Likewise.
9446         (ix86_noce_conversion_profitable_p): Likewise.
9447         (ix86_mpx_bound_mode): Likewise.
9448         (ix86_operands_ok_for_move_multiple): Likewise.
9449         * config/microblaze/microblaze-protos.h
9450         (microblaze_expand_conditional_branch_reg): Likewise.
9451         * config/microblaze/microblaze.c
9452         (microblaze_expand_conditional_branch_reg): Likewise.
9453         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
9454         Likewise.
9455         (rs6000_reassociation_width): Likewise.
9456         (rs6000_invalid_binary_op): Likewise.
9457         (fusion_p9_p): Likewise.
9458         (emit_fusion_p9_load): Likewise.
9459         (emit_fusion_p9_store): Likewise.
9460         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
9461         Likewise.
9462         (riscv_hard_regno_mode_ok_p): Likewise.
9463         (riscv_address_insns): Likewise.
9464         (riscv_split_symbol): Likewise.
9465         (riscv_legitimize_move): Likewise.
9466         (riscv_function_value): Likewise.
9467         (riscv_hard_regno_nregs): Likewise.
9468         (riscv_expand_builtin): Likewise.
9469         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
9470         (riscv_build_integer): Likewise.
9471         (riscv_split_integer): Likewise.
9472         (riscv_legitimate_constant_p): Likewise.
9473         (riscv_cannot_force_const_mem): Likewise.
9474         (riscv_regno_mode_ok_for_base_p): Likewise.
9475         (riscv_valid_base_register_p): Likewise.
9476         (riscv_valid_offset_p): Likewise.
9477         (riscv_valid_lo_sum_p): Likewise.
9478         (riscv_classify_address): Likewise.
9479         (riscv_legitimate_address_p): Likewise.
9480         (riscv_address_insns): Likewise.
9481         (riscv_load_store_insns): Likewise.
9482         (riscv_force_binary): Likewise.
9483         (riscv_split_symbol): Likewise.
9484         (riscv_force_address): Likewise.
9485         (riscv_legitimize_address): Likewise.
9486         (riscv_move_integer): Likewise.
9487         (riscv_legitimize_const_move): Likewise.
9488         (riscv_legitimize_move): Likewise.
9489         (riscv_address_cost): Likewise.
9490         (riscv_subword): Likewise.
9491         (riscv_output_move): Likewise.
9492         (riscv_canonicalize_int_order_test): Likewise.
9493         (riscv_emit_int_order_test): Likewise.
9494         (riscv_function_arg_boundary): Likewise.
9495         (riscv_pass_mode_in_fpr_p): Likewise.
9496         (riscv_pass_fpr_single): Likewise.
9497         (riscv_pass_fpr_pair): Likewise.
9498         (riscv_get_arg_info): Likewise.
9499         (riscv_function_arg): Likewise.
9500         (riscv_function_arg_advance): Likewise.
9501         (riscv_arg_partial_bytes): Likewise.
9502         (riscv_function_value): Likewise.
9503         (riscv_pass_by_reference): Likewise.
9504         (riscv_setup_incoming_varargs): Likewise.
9505         (riscv_print_operand): Likewise.
9506         (riscv_elf_select_rtx_section): Likewise.
9507         (riscv_save_restore_reg): Likewise.
9508         (riscv_for_each_saved_reg): Likewise.
9509         (riscv_register_move_cost): Likewise.
9510         (riscv_hard_regno_mode_ok_p): Likewise.
9511         (riscv_hard_regno_nregs): Likewise.
9512         (riscv_class_max_nregs): Likewise.
9513         (riscv_memory_move_cost): Likewise.
9514         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
9515         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
9516         (rl78_addr_space_address_mode): Likewise.
9517         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9518         Likewise.
9519         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
9520         (rs6000_reassociation_width): Likewise.
9521         (rs6000_invalid_binary_op): Likewise.
9522         (fusion_p9_p): Likewise.
9523         (emit_fusion_p9_load): Likewise.
9524         (emit_fusion_p9_store): Likewise.
9525         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
9526         (ok_for_simple_move_operands): Likewise.
9527         (ok_for_simple_move_strict_operands): Likewise.
9528         (ok_for_simple_arith_logic_operands): Likewise.
9529         (visium_legitimize_reload_address): Likewise.
9530         (visium_select_cc_mode): Likewise.
9531         (output_cbranch): Likewise.
9532         (visium_split_double_move): Likewise.
9533         (visium_expand_copysign): Likewise.
9534         (visium_expand_int_cstore): Likewise.
9535         (visium_expand_fp_cstore): Likewise.
9536         * config/visium/visium.c (visium_pass_by_reference): Likewise.
9537         (visium_function_arg): Likewise.
9538         (visium_function_arg_advance): Likewise.
9539         (visium_libcall_value): Likewise.
9540         (visium_setup_incoming_varargs): Likewise.
9541         (visium_legitimate_constant_p): Likewise.
9542         (visium_legitimate_address_p): Likewise.
9543         (visium_legitimize_address): Likewise.
9544         (visium_secondary_reload): Likewise.
9545         (visium_register_move_cost): Likewise.
9546         (visium_memory_move_cost): Likewise.
9547         (prepare_move_operands): Likewise.
9548         (ok_for_simple_move_operands): Likewise.
9549         (ok_for_simple_move_strict_operands): Likewise.
9550         (ok_for_simple_arith_logic_operands): Likewise.
9551         (visium_function_value_1): Likewise.
9552         (rtx_ok_for_offset_p): Likewise.
9553         (visium_legitimize_reload_address): Likewise.
9554         (visium_split_double_move): Likewise.
9555         (visium_expand_copysign): Likewise.
9556         (visium_expand_int_cstore): Likewise.
9557         (visium_expand_fp_cstore): Likewise.
9558         (visium_split_cstore): Likewise.
9559         (visium_select_cc_mode): Likewise.
9560         (visium_split_cbranch): Likewise.
9561         (output_cbranch): Likewise.
9562         (visium_print_operand_address): Likewise.
9563         * expmed.c (flip_storage_order): Likewise.
9564         * expmed.h (emit_cstore): Likewise.
9565         (flip_storage_order): Likewise.
9566         * genrecog.c (validate_pattern): Likewise.
9567         * hsa-gen.c (gen_hsa_addr): Likewise.
9568         * internal-fn.c (expand_arith_overflow): Likewise.
9569         * ira-color.c (allocno_copy_cost_saving): Likewise.
9570         * lra-assigns.c (find_hard_regno_for_1): Likewise.
9571         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
9572         (process_invariant_for_inheritance): Likewise.
9573         * lra-eliminations.c (move_plus_up): Likewise.
9574         * omp-low.c (lower_oacc_reductions): Likewise.
9575         * simplify-rtx.c (simplify_subreg): Likewise.
9576         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
9577         (TARGET_CHKP_BOUND_MODE): Likewise..
9578         * targhooks.c (default_chkp_bound_mode): Likewise.
9579         (default_setup_incoming_vararg_bounds): Likewise.
9580         * targhooks.h (default_chkp_bound_mode): Likewise.
9581         (default_setup_incoming_vararg_bounds): Likewise.
9582         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
9583         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
9584         (have_whole_vector_shift): Likewise.
9585         * tree-vect-stmts.c (vectorizable_load): Likewise.
9586         * doc/tm.texi: Regenerate.
9587
9588 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9589
9590         Graceful degrade if Binutils PR21472 is not available.
9591
9592         PR target/81072
9593         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
9594         .rodata in flash test fails.
9595         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
9596         * confgure: Regenerate.
9597         * config.in: Regenerate.
9598         * config/avr/avr.c (avr_asm_named_section)
9599         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
9600         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
9601         (avr_asm_init_sections): Same.
9602
9603 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9604
9605         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
9606         (fma<VH:mode>4_intrinsic): Likewise.
9607         (*fmsub<VCVTF:mode>4): Likewise.
9608         (*fmsub<VH:mode>4_intrinsic): Likewise.
9609
9610 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9611
9612         PR target/81305
9613         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
9614         Don't depend on "optimize > 0".
9615         (out_movhi_r_mr, out_movqi_mr_r): Same.
9616         (out_movhi_mr_r, out_movqi_r_mr): Same.
9617         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
9618         io_address_operand on "optimize > 0".
9619
9620 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9621
9622         * tree-loop-distribution.c: Add general explanantion on the pass.
9623         (generate_loops_for_partition): Mark distributed loop.
9624         (pg_add_dependence_edges): New parameter.  Handle alias data
9625         dependence specially and record it in the parameter if asked.
9626         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
9627         (init_partition_graph_vertices, add_partition_graph_edge): New.
9628         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
9629         (free_partition_graph_vdata, build_partition_graph): New.
9630         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
9631         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
9632         (data_ref_segment_size, latch_dominated_by_data_ref): New.
9633         (compute_alias_check_pairs, version_loop_by_alias_check): New.
9634         (version_for_distribution_p, finalize_partitions): New.
9635         (distribute_loop): Handle alias data dependence specially.  Factor
9636         out loop fusion code as functions and call these functions.
9637
9638 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9639
9640         * tree-loop-distribution.c (classify_partition): New parameter and
9641         better handle reduction statement.
9642         (rdg_build_partitions): Revise comment.
9643         (distribute_loop): Compute statements in all partitions and pass it
9644         to classify_partition.
9645
9646 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9647
9648         * tree-loop-distribution.c (enum partition_type): New.
9649         (struct partition): New field type.
9650         (partition_merge_into): Add parameter.  Update partition type.
9651         (data_dep_in_cycle_p, update_type_for_merge): New functions.
9652         (build_rdg_partition_for_vertex): Compute partition type.
9653         (rdg_build_partitions): Dump partition type.
9654         (distribute_loop): Update calls to partition_merge_into.
9655
9656 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9657
9658         * tree-loop-distribution.c (struct ddr_hasher): New.
9659         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
9660         (ddrs_table): New.
9661         (classify_partition): Call get_data_dependence.
9662         (pg_add_dependence_edges): Ditto.
9663         (distribute_loop): Release data dependence hash table.
9664
9665 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9666
9667         * tree-loop-distribution.c (ref_base_address): Delete.
9668         (similar_memory_accesses): Rename ...
9669         (share_memory_accesses): ... to this.  Check if partitions access
9670         the same memory reference.
9671         (distribute_loop): Call share_memory_accesses.
9672
9673 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9674
9675         * tree-loop-distribution.c (struct partition): New field recording
9676         its data reference.
9677         (partition_alloc, partition_free): Init and release data refs.
9678         (partition_merge_into): Merge data refs.
9679         (build_rdg_partition_for_vertex): Collect data refs for partition.
9680         (pg_add_dependence_edges): Change parameters from vector to bitmap.
9681         Update uses.
9682         (distribute_loop): Remve data refs from vertice data of partition
9683         graph.
9684
9685 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9686
9687         * tree-loop-distribution.c (params.h): Include header file.
9688         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
9689         (datarefs_vec): New global var.
9690         (create_rdg_vertices): Use datarefs_vec directly.
9691         (free_rdg): Don't free data references.
9692         (build_rdg): Update use.  Don't free data references.
9693         (distribute_loop): Compute global variable for data references.
9694         Bail out if there are too many data references.
9695
9696 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9697
9698         * tree-loop-distribution.c (loop_nest): New global var.
9699         (build_rdg): Use loop directly, rather than loop nest.
9700         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
9701         variable directly.
9702         (distribute_loop): Compute global variable loop nest.  Update use.
9703
9704 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9705
9706         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
9707         (partition_merge_into): New parameter.  Dump reason for fusion.
9708         (distribute_loop): Update use of partition_merge_into.
9709
9710 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9711
9712         * tree-loop-distribution.c (bb_top_order_index): New.
9713         (bb_top_order_index_size, bb_top_order_cmp): New.
9714         (stmts_from_loop): Use topological order.
9715         (pass_loop_distribution::execute): Compute and release topological
9716         order for basic blocks.
9717
9718 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9719
9720         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
9721         if no loops.
9722
9723 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9724
9725         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
9726         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
9727         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
9728         * internal-fn.def (LOOP_DIST_ALIAS): New.
9729         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
9730         (fold_loop_internal_call): ... this.
9731         (vect_loop_dist_alias_call): New function.
9732         (set_uid_loop_bbs): Call fold_loop_internal_call.
9733         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
9734         internal calls.
9735
9736 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9737
9738         PR target/81300
9739         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
9740         Require dead FLAGS_REG at the beginning of a peephole.
9741
9742 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9743
9744         PR target/81294
9745         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
9746         arguments in the call to __builtin_ia32_sbb_u32.
9747         (_subborrow_u64): Swap _X and _Y arguments in the call to
9748         __builtin_ia32_sbb_u64.
9749
9750 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
9751
9752         PR debug/81278
9753         * tree-vrp.c (compare_assert_loc): Turn into a function template
9754         with stable template parameter.  Only test if a->e is NULL,
9755         !a->e == !b->e has been verified already.  Use e == NULL or
9756         e != NULL instead of e or ! e tests.  If stable is true, don't use
9757         iterative_hash_expr, on the other side allow a or b or both NULL
9758         and sort the NULLs last.
9759         (process_assert_insertions): Sort using compare_assert_loc<false>
9760         instead of compare_assert_loc, later sort using
9761         compare_assert_loc<true> before calling process_assert_insertions_for
9762         in a loop.  Use break instead of continue once seen NULL pointer.
9763
9764 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9765
9766         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
9767         Cortex-R7 and Cortex-R8 processors.
9768
9769 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9770
9771         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
9772         uninitialized while src is not.
9773
9774 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
9775
9776         * common/config/arm/arm-common.c: Adjust include path for
9777         arm-cpu-cdata.h
9778         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
9779         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
9780         (arm-cpu-data.h): Likewise.
9781         (arm-cpu-cdata.h): Likewise.
9782         * config/arm/arm-cpu.h: Delete.
9783         * config/arm/arm-cpu-cdata.h: Delete.
9784         * config/arm/arm-cpu-data.h: Delete.
9785
9786 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
9787
9788         * config/arm/arm-cpus.in (cortex-a55): New.
9789         (cortex-a75): Likewise.
9790         (cortex-a75.cortex-a55): Likewise.
9791         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
9792         cortex-a75.
9793         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
9794         * config/arm/arm-cpu-cdata.h: Regenerate.
9795         * config/arm/arm-cpu-data.h: Regenerate.
9796         * config/arm/arm-cpu.h: Regenerate.
9797         * config/arm/arm-tables.opt: Regenerate.
9798         * config/arm/arm-tune.md: Regenerate.
9799
9800 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9801
9802         * haifa-sched.c (sched_create_recovery_edges): Update profile.
9803
9804 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9805
9806         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
9807         probability.
9808
9809 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
9810
9811         PR tree-optimization/81292
9812         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
9813         full_string_p, also call adjust_related_strinfos if the adjustment
9814         is simple, otherwise invalidate related strinfos.
9815
9816 2017-07-04  Martin Liska  <mliska@suse.cz>
9817
9818         PR sanitizer/81040
9819         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
9820         newly created variable as DECL_IGNORED_P.
9821
9822 2017-07-04  Martin Liska  <mliska@suse.cz>
9823
9824         PR ipa/81293
9825         * ipa-inline.c (inline_small_functions):
9826         Use xstrdup_for_dump.
9827
9828 2017-07-04  Tom de Vries  <tom@codesourcery.com>
9829
9830         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
9831
9832 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9833
9834         PR target/81033
9835         * config/darwin.c (darwin_function_switched_text_sections):
9836         Fix spaces.
9837
9838 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
9839
9840         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
9841
9842 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9843
9844         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
9845
9846 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9847
9848         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
9849         min_profitable_iters, and th as inclusive lower bounds.
9850         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
9851         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
9852         for min_profitable_iters and min_profitable_estimate.
9853         (vect_transform_loop): Treat th as an inclusive lower bound.
9854         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
9855
9856 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9857
9858         PR target/81033
9859         * config/darwin.c (darwin_function_switched_text_sections):
9860         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
9861         in two pieces, and suppress the use of buf.
9862
9863 2017-07-03  Nathan Sidwell  <nathan@acm.org>
9864
9865         * hash-table.h (hash_table_mod1): Fix indentation.
9866
9867 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9868
9869         PR middle-end/81290
9870         * predict.c (force_edge_cold): Be more careful about propagation
9871         backward.
9872         * profile-count.h (profile_probability::guessed,
9873         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
9874         New.
9875         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
9876
9877 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
9878
9879         * doc/invoke.texi (rcpc architecture extension): Document it.
9880
9881 2017-07-03  Richard Biener  <rguenther@suse.de>
9882
9883         PR tree-optimization/60510
9884         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
9885         the scalar reduction PHI and use it.
9886         (vectorizable_reduction): Properly guard the single_defuse_cycle
9887         path for non-SLP reduction chains where we cannot use it.
9888         Rework reduc_def/index and vector type deduction.  Rework
9889         vector operand gathering during reduction op code-gen.
9890         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
9891         chains dissolve the chain and leave it to non-SLP reduction
9892         handling.
9893
9894 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9895
9896         * tree-data-ref.h (dr_alignment): Declare.
9897         * tree-data-ref.c (dr_alignment): New function.
9898         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
9899         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
9900         set it.
9901         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
9902
9903 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9904
9905         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
9906         and base_misalignment fields.
9907         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
9908         * tree-data-ref.c: Include builtins.h.
9909         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
9910         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
9911         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
9912         * tree-vect-data-refs.c: Include tree-cfg.h.
9913         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
9914         fields instead of calculating an alignment here.
9915         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
9916         innermost_loop_behavior fields.
9917
9918 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9919
9920         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
9921         field.
9922         (DR_STEP_ALIGNMENT): New macro.
9923         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
9924         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
9925         (create_data_ref): Print it.
9926         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
9927         to tell whether the step preserves vector (mis)alignment.
9928         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9929         Move the check for an integer step and generalise to all INTEGER_CST.
9930         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
9931         Print the outer step alignment.
9932
9933 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9934
9935         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
9936         with offset_alignment.
9937         (DR_ALIGNED_TO): Delete.
9938         (DR_OFFSET_ALIGNMENT): New macro.
9939         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
9940         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
9941         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
9942         (create_data_ref): Likewise.
9943         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9944         (vect_analyze_data_refs): Likewise.
9945         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
9946         creating dummy innermost behavior.
9947
9948 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9949
9950         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
9951         with a "innermost_loop_behavior *" and refeence tree.
9952         * tree-data-ref.c (dr_analyze_innermost): Likewise.
9953         (create_data_ref): Update call accordingly.
9954         * tree-predcom.c (find_looparound_phi): Likewise.
9955
9956 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9957
9958         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
9959         fields with dr_wrt_vec_loop.
9960         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
9961         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
9962         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
9963         (vect_dr_behavior): New function.
9964         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9965         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
9966         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
9967         track whether the step preserves the misalignment.
9968         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9969         Use vect_dr_behavior.
9970         (vect_setup_realignment): Update call accordingly.
9971         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
9972         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
9973         call to vect_create_addr_base_for_vector_ref.
9974         (vect_create_cond_for_align_checks): Likewise.
9975         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
9976         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
9977         (vect_recog_mask_conversion_pattern): Likewise.
9978         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
9979         (new_stmt_vec_info): Remove redundant zeroing.
9980
9981 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9982
9983         * common/config/arm/arm-common.c (arm_be8_option): New function.
9984         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
9985         (ISA_ARMv6): Add isa_bit_be8.
9986         * config/arm/arm.h (arm_be8_option): Add prototype.
9987         (BE8_SPEC_FUNCTION): New define.
9988         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
9989         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
9990         (mlittle-endian): Similarly.
9991         (mbe8, mbe32): New options.
9992         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
9993         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
9994
9995 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9996
9997         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
9998
9999 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10000
10001         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
10002         (cleanup_tree_cfg_bb): Use it.
10003         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
10004         New functions.
10005         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
10006
10007 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10008
10009         PR bootstrap/81285
10010         * loop-doloop.c (add_test): Update profile.
10011
10012 2017-07-03  Martin Liska  <mliska@suse.cz>
10013
10014         PR sanitize/81040
10015         * sanopt.c (rewrite_usage_of_param): New function.
10016         (sanitize_rewrite_addressable_params): Likewise.
10017         (pass_sanopt::execute): Call rewrite_usage_of_param.
10018
10019 2017-07-03  Richard Biener  <rguenther@suse.de>
10020
10021         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
10022         back to using VIEW_CONVERT_EXPR.
10023
10024 2017-07-03  Martin Liska  <mliska@suse.cz>
10025
10026         PR other/78366
10027         * doc/extend.texi: Document when a resolver function is
10028         generated for target_clones.
10029
10030 2017-07-03  Martin Liska  <mliska@suse.cz>
10031
10032         * asan.c (asan_emit_stack_protection): Unpoison just red zones
10033         and shadow memory of auto variables which are subject of
10034         use-after-scope sanitization.
10035         (asan_expand_mark_ifn): Add do set only when is_poison.
10036
10037 2016-07-03  Richard Biener  <rguenther@suse.de>
10038
10039         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
10040         reduction PHIs.
10041         (vect_force_simple_reduction): Record reduction def -> phi mapping.
10042         (vectorizable_reduction): Perform reduction PHI creation when
10043         visiting a reduction PHI and adjust and simplify code generation
10044         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
10045         (vect_transform_loop): Visit reduction PHIs.
10046         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
10047         defs into the SLP tree.
10048         (vect_build_slp_tree): Reduction defs terminate the recursion.
10049         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
10050         of reduction defs.
10051         (vect_get_vec_defs_for_stmt_copy): Export.
10052         (vect_get_vec_defs): Likewise.
10053         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
10054         purpose.
10055         (vect_get_vec_defs_for_stmt_copy): Declare.
10056         (vect_get_vec_defs): Likewise.
10057
10058 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10059
10060         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
10061         parameter with a "loop" parameter and use it instead of the
10062         loop containing DR_STMT.  Don't check simple_iv when doing
10063         BB analysis.  Describe the two analysis modes in the comment.
10064
10065 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10066
10067         PR tree-optimization/69468
10068         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
10069         (find_same_succ_bb): Handle ignore_edge_flags.
10070
10071 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10072
10073         PR tree-optimization/81192
10074         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
10075         hash.
10076         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
10077         differs.
10078         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
10079
10080 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10081
10082         PR tree-optimization/81192
10083         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
10084         BB_SAME_SUCC (bb) == NULL.
10085
10086 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10087
10088         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
10089         consistency.
10090
10091 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10092
10093         * dumpfile.c: Include profile-count.h
10094         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
10095         update profile.
10096         (insert_cond_bb): Update profile.
10097         * tree-cfg.h (insert_cond_bb): Update prototype.
10098         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
10099         * tree-dump.c: Do not include tree-cfg.
10100
10101 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10102
10103         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
10104
10105 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10106
10107         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
10108         bb.
10109
10110 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10111
10112         * tree-complex.c (expand_complex_div_wide): update profile.
10113
10114 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10115             Alan Hayward  <alan.hayward@arm.com>
10116             David Sherwood  <david.sherwood@arm.com>
10117
10118         * Makefile.in (MACHMODE_H): Remove insn-modes.h
10119         (CORETYPES_H): New define.
10120         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
10121         (insn-modes-inline.h, s-modes-inline-h): New rules.
10122         (generated_files): Add insn-modes-inline.h.
10123         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
10124         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
10125         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
10126         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
10127         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
10128         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
10129         (build/gencodes.o, build/genconditions.o): Likewise.
10130         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
10131         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
10132         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
10133         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
10134         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
10135         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
10136         * coretypes.h: Include everything up to real.h for generators.
10137         Include insn-modes.h first.  Include wide-int-print.h after
10138         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
10139         * machmode.h: Don't include insn-modes.h here.
10140         * function-tests.c: Remove includes of signop.h, machmode.h,
10141         double-int.h and wide-int.h.
10142         * rtl.h: Likewise.
10143         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
10144         and wide-int.h.
10145         * optc-save-gen.awk: Likewise.
10146         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
10147         * godump.c: Remove include of wide-int-print.h.
10148         * pretty-print.h: Likewise.
10149         * wide-int-print.cc: Likewise.
10150         * wide-int.cc: Likewise.
10151         * hash-map-tests.c: Remove include of signop.h.
10152         * hash-set-tests.c: Likewise.
10153         * rtl-tests.c: Likewise.
10154         * mkconfig.sh: Remove include of machmode.h.
10155         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
10156         into...
10157         (emit_insn_modes_inline_h): ...this new function.  Emit the code
10158         into an insn-modes-inline.h header file, adding appropriate
10159         include guards and end comments.
10160         (emit_insn_modes_c_header): Remove include of machmode.h.
10161         (emit_min_insn_modes_c_header): Include coretypes.h rather than
10162         machmode.h.
10163         (main): Handle -i flag and call emit_insn_modes_inline_h when
10164         it is passed.
10165
10166 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10167
10168         * tree-ssa-strlen.c (strinfo): Rename the length field to
10169         nonzero_chars.  Add a full_string_p field.
10170         (compare_nonzero_chars, zero_length_string_p): New functions.
10171         (get_addr_stridx): Add an offset_out parameter.
10172         Use compare_nonzero_chars.
10173         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
10174         (new_strinfo): Update after above changes to strinfo.
10175         (set_endptr_and_length): Set full_string_p.
10176         (get_string_length): Update after above changes to strinfo.
10177         (unshare_strinfo): Update call to new_strinfo.
10178         (maybe_invalidate): Likewise.
10179         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
10180         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
10181         as a uhwi instead of an shwi.  Update after above changes to
10182         strinfo and new_strinfo.
10183         (zero_length_string): Assert that chainsi contains full strings.
10184         Use zero_length_string_p.  Update call to new_strinfo.
10185         (adjust_related_strinfos): Update after above changes to strinfo.
10186         Copy full_string_p from origsi.
10187         (adjust_last_stmt): Use zero_length_string_p.
10188         (handle_builtin_strlen): Update after above changes to strinfo and
10189         new_strinfo.  Install the lhs as the string length if the previous
10190         entry didn't describe a full string.
10191         (handle_builtin_strchr): Update after above changes to strinfo
10192         and new_strinfo.
10193         (handle_builtin_strcpy): Likewise.
10194         (handle_builtin_strcat): Likewise.
10195         (handle_builtin_malloc): Likewise.
10196         (handle_pointer_plus): Likewise.
10197         (handle_builtin_memcpy): Likewise.  Track nonzero characters
10198         that aren't necessarily followed by a nul terminator.
10199         (handle_char_store): Likewise.
10200
10201 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10202
10203         PR tree-optimization/80769
10204         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
10205         for malloc and calloc.  Document the new invariant that all related
10206         strinfos have delayed lengths or none do.
10207         (verify_related_strinfos): Move earlier in file.
10208         (set_endptr_and_length): New function, split out from...
10209         (get_string_length): ...here.  Also set the lengths of related
10210         strinfos.
10211         (zero_length_string): Assert that chainsi has known (rather than
10212         delayed) lengths.
10213         (adjust_related_strinfos): Likewise.
10214
10215 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10216
10217         PR tree-optimization/81136
10218         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
10219         assert that two references with the same misalignment have the same
10220         compile-time misalignment if those compile-time misalignments
10221         are known.
10222
10223 2017-07-01  Andi Kleen  <ak@linux.intel.com>
10224
10225         * print-tree.c (print_node): Print all attributes.
10226
10227 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10228
10229         * cfg.c (scale_bbs_frequencies): New function.
10230         * cfg.h (scale_bbs_frequencies): Declare it.
10231         * cfgloopanal.c (single_likely_exit): Cleanup.
10232         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
10233         as parameter.
10234         (scale_loop_profile): Likewise.
10235         (loop_version): Likewise.
10236         (create_empty_loop_on_edge): Update.
10237         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
10238         scale_loop_frequencies, scale_loop_profile, loopify,
10239         loop_version): Update prototypes.
10240         * modulo-sched.c (sms_schedule): Update.
10241         * predict.c (unlikely_executed_edge_p): Also check probability.
10242         (probably_never_executed_edge_p): Fix typo.
10243         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10244         * tree-parloops.c (gen_parallel_loop): Update.
10245         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
10246         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10247         * tree-ssa-loop-split.c (split_loop): Update.
10248         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10249         * tree-vect-loop-manip.c (vect_do_peeling): Update.
10250         (vect_loop_versioning): Update.
10251         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10252
10253 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10254
10255         * trans-mem.c (split_bb_make_tm_edge): Update profile.
10256
10257 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10258
10259         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
10260         to keep profile consistent.
10261
10262 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10263
10264         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
10265         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
10266         * profile-count.h (max_safe_multiplier): Make unsigned.
10267         (profile_count::guessed_zero): New.
10268
10269 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10270
10271         * bb-reorder.c (fix_up_crossing_landing_pad,
10272         fix_crossing_conditional_branches): Use make_single_succ_edge
10273         to keep profile consistent.
10274
10275 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10276
10277         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
10278         to update profile.
10279
10280 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
10281
10282         PR sanitizer/81262
10283         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
10284         the right scopes, make sure cond_jump isn't preserved between multiple
10285         iterations.  Search for fallthru edge whenever there are 3+ edges and
10286         use find_fallthru_edge for it.
10287
10288 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10289
10290         Patch by Alexander Monakov <amonakov@ispras.ru>
10291         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
10292         probabilities consistently.
10293
10294 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10295
10296         * pa.c (pa_expand_compare_and_swap_loop): Update call of
10297         emit_cmp_and_jump_insns.
10298
10299 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10300
10301         PR ipa/81261
10302         * tree-inline.c (expand_call_inline): Combine profile statuses.
10303
10304 2017-06-30  Andrew Pinski  <apinski@cavium.com>
10305
10306         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
10307         fold_stmt returned true.
10308
10309 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10310
10311         * ggc.h (empty_string): Delete.
10312         * cfgexpand.c (expand_asm_stmt): Use plain "".
10313         * optabs.c (expand_asm_memory_barrier): Likewise.
10314         * stringpool.c (empty_string): Delete.
10315         (digit_vector, digit_string): Delete.
10316         (ggc_alloc_string): Use plain "", don't optimize single digit
10317         strings.  Use ggc_alloc_atomic.
10318
10319 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
10320
10321         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
10322         comparison set and one other set, use the cost of the non-comparison
10323         set.
10324
10325 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10326
10327         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
10328         some formatting.
10329
10330 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
10331
10332         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
10333         loops.  Remove now unneeded calls to gimple_switch_set_label() that
10334         just set removed labels to NULL_TREE.
10335
10336 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
10337
10338         * tree-ssanames.c (set_range_info_raw): Abstract from ...
10339         (set_range_info): ...here.  Only call set_range_info_raw if domain
10340         is useful.
10341         (set_nonzero_bits): Call set_range_info_raw.
10342         * tree-ssanames.h (set_range_info_raw): New.
10343
10344 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
10345
10346         PR target/81225
10347         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
10348         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
10349         of nonimmediate_operand and <store_mask_constraint> instead of m
10350         for the input operand.  For V8FI iterator, always split if input
10351         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
10352         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
10353         <store_mask_predicate> instead of register_operand and
10354         <store_mask_constraint> instead of v for the input operand.  Make
10355         sure both operands aren't MEMs for if not <mask_applied>.
10356
10357 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
10358
10359         * lto-wrapper.c (copy_file) Close both file descriptors before
10360         exiting normally.
10361
10362 2017-06-30  Martin Liska  <mliska@suse.cz>
10363
10364         PR ipa/81214
10365         * multiple_target.c (create_dispatcher_calls): Make ifunc
10366         also for function that don't have calls or are not referenced.
10367
10368 2017-06-30  Richard Biener  <rguenther@suse.de>
10369
10370         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
10371         analyze the first scalar stmt.  Move vector type computation
10372         for the BB case here from ...
10373         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
10374         live operation processing in the SLP case properly.
10375
10376 2017-06-30  Richard Biener  <rguenther@suse.de>
10377
10378         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
10379
10380 2017-06-30  Martin Liska  <mliska@suse.cz>
10381
10382         PR sanitizer/81021
10383         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
10384         before BUILT_IN_UNWIND_RESUME when ASAN is used.
10385
10386 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
10387
10388         * doc/invoke.texi (AArch64): Add missing options and remove redundant
10389         ones.
10390
10391 2017-06-30  Richard Biener  <rguenther@suse.de>
10392
10393         PR tree-optimization/81249
10394         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
10395         condition reduction result to original scalar type.
10396
10397 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10398
10399         * profile-count.h (enum profile_quality): Fix typos and whitespace
10400         issues.
10401
10402 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10403
10404         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
10405         type for branch probabilities.
10406
10407 2017-06-29  Julian Brown  <julian@codesourcery.com>
10408             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10409
10410         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
10411         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
10412         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
10413         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
10414
10415 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10416
10417         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
10418         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
10419         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
10420         CC usage from generic code to here.
10421         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
10422         CC usage into the target macros.
10423
10424 2017-06-29  Maya Rashish  <coypu@sdf.org>
10425
10426         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
10427         objects.
10428
10429 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10430
10431         * arm/arm-builtins.c: Include profile-count.h
10432         * except.c (sjlj_emit_function_enter): Use
10433         profile_probability::unlikely.
10434
10435 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10436
10437         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
10438         and tocrel_offset be pointer args rather than implicitly using
10439         static versions.
10440         (legitimate_constant_pool_address_p, rs6000_emit_move,
10441         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
10442         tocrel_offset and use in toc_relative_expr_p call.
10443         (print_operand, print_operand_address): Use static tocrel_base_oac
10444         and tocrel_offset_oac.
10445         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
10446         tocrel_offset_oac.
10447
10448 2017-06-29  Maya Rashish  <coypu@sdf.org>
10449
10450         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
10451
10452 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
10453
10454         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
10455         objects, take into account only the alignment of 'op0' and 'mode1' if
10456         'op0' is a MEM.
10457
10458 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
10459
10460         * ccmp.c (ccmp_tree_comparison_p): New function.
10461         (ccmp_candidate_p): Update to use above function.
10462         (get_compare_parts): New function.
10463         (expand_ccmp_next): Update to use new functions.
10464         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
10465         new functions.
10466         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
10467         take mode as argument.
10468         * ccmp.h (expand_ccmp_expr): Add mode as argument.
10469         * expr.c (expand_expr_real_1): Pass mode as argument.
10470
10471 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
10472
10473         * combine.c (combine_instructions): Print insns to dump_file, together
10474         with their costs.
10475
10476 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10477
10478         * asan.c (asan_emit_stack_protection): Update.
10479         (create_cond_insert_point): Update.
10480         * auto-profile.c (afdo_propagate_circuit): Update.
10481         * basic-block.h (struct edge_def): Turn probability to
10482         profile_probability.
10483         (EDGE_FREQUENCY): Update.
10484         * bb-reorder.c (find_traces_1_round): Update.
10485         (better_edge_p): Update.
10486         (sanitize_hot_paths): Update.
10487         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
10488         (make_single_succ_edge): Update.
10489         (check_bb_profile): Update.
10490         (dump_edge_info): Update.
10491         (update_bb_profile_for_threading): Update.
10492         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
10493         probabilitycount to 0.
10494         * cfgbuild.c (compute_outgoing_frequencies): Update.
10495         * cfgcleanup.c (try_forward_edges): Update.
10496         (outgoing_edges_match): Update.
10497         (try_crossjump_to_edge): Update.
10498         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
10499         (expand_gimple_tailcall): Update.
10500         (construct_init_block): Use make_single_succ_edge.
10501         (construct_exit_block): Use make_single_succ_edge.
10502         * cfghooks.c (verify_flow_info): Update.
10503         (redirect_edge_succ_nodup): Update.
10504         (split_edge): Update.
10505         (account_profile_record): Update.
10506         * cfgloopanal.c (single_likely_exit): Update.
10507         * cfgloopmanip.c (scale_loop_profile): Update.
10508         (set_zero_probability): Remove.
10509         (duplicate_loop_to_header_edge): Update.
10510         * cfgloopmanip.h (loop_version): Update prototype.
10511         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
10512         (force_nonfallthru_and_redirect): Update.
10513         (update_br_prob_note): Update.
10514         (rtl_verify_edges): Update.
10515         (purge_dead_edges): Update.
10516         (rtl_lv_add_condition_to_bb): Update.
10517         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
10518         * cgraphunit.c (init_lowered_empty_function): Update.
10519         (cgraph_node::expand_thunk): Update.
10520         * cilk-common.c: Include profile-count.h
10521         * dojump.c (inv): Remove.
10522         (jumpifnot): Update.
10523         (jumpifnot_1): Update.
10524         (do_jump_1): Update.
10525         (do_jump): Update.
10526         (do_jump_by_parts_greater_rtx): Update.
10527         (do_compare_rtx_and_jump): Update.
10528         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
10529         do_jump_1. do_compare_rtx_and_jump): Update prototype.
10530         * dwarf2cfi.c: Include profile-count.h
10531         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
10532         (sjlj_emit_dispatch_table): Likewise.
10533         * explow.c: Include profile-count.h
10534         * expmed.c (emit_store_flag_force): Update.
10535         (do_cmp_and_jump): Update.
10536         * expr.c (compare_by_pieces_d::generate): Update.
10537         (compare_by_pieces_d::finish_mode): Update.
10538         (emit_block_move_via_loop): Update.
10539         (store_expr_with_bounds): Update.
10540         (store_constructor): Update.
10541         (expand_expr_real_2): Update.
10542         (expand_expr_real_1): Update.
10543         * expr.h (try_casesi, try_tablejump): Update prototypes.
10544         * gimple-pretty-print.c (dump_probability): Update.
10545         (dump_profile): New.
10546         (dump_gimple_label): Update.
10547         (dump_gimple_bb_header): Update.
10548         * graph.c (draw_cfg_node_succ_edges): Update.
10549         * hsa-gen.c (convert_switch_statements): Update.
10550         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
10551         (find_if_case_1): Update.
10552         (find_if_case_2): Update.
10553         * internal-fn.c (expand_arith_overflow_result_store): Update.
10554         (expand_addsub_overflow): Update.
10555         (expand_neg_overflow): Update.
10556         (expand_mul_overflow): Update.
10557         (expand_vector_ubsan_overflow): Update.
10558         * ipa-cp.c (good_cloning_opportunity_p): Update.
10559         * ipa-split.c (split_function): Use make_single_succ_edge.
10560         * ipa-utils.c (ipa_merge_profiles): Update.
10561         * loop-doloop.c (add_test): Update.
10562         (doloop_modify): Update.
10563         * loop-unroll.c (compare_and_jump_seq): Update.
10564         (unroll_loop_runtime_iterations): Update.
10565         * lra-constraints.c (lra_inheritance): Update.
10566         * lto-streamer-in.c (input_cfg): Update.
10567         * lto-streamer-out.c (output_cfg): Update.
10568         * mcf.c (adjust_cfg_counts): Update.
10569         * modulo-sched.c (sms_schedule): Update.
10570         * omp-expand.c (expand_omp_for_init_counts): Update.
10571         (extract_omp_for_update_vars): Update.
10572         (expand_omp_ordered_sink): Update.
10573         (expand_omp_for_ordered_loops): Update.
10574         (expand_omp_for_generic): Update.
10575         (expand_omp_for_static_nochunk): Update.
10576         (expand_omp_for_static_chunk): Update.
10577         (expand_cilk_for): Update.
10578         (expand_omp_simd): Update.
10579         (expand_omp_taskloop_for_outer): Update.
10580         (expand_omp_taskloop_for_inner): Update.
10581         * omp-simd-clone.c (simd_clone_adjust): Update.
10582         * optabs.c (expand_doubleword_shift): Update.
10583         (expand_abs): Update.
10584         (emit_cmp_and_jump_insn_1): Update.
10585         (expand_compare_and_swap_loop): Update.
10586         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
10587         * predict.c (predictable_edge_p): Update.
10588         (edge_probability_reliable_p): Update.
10589         (set_even_probabilities): Update.
10590         (combine_predictions_for_insn): Update.
10591         (combine_predictions_for_bb): Update.
10592         (propagate_freq): Update.
10593         (estimate_bb_frequencies): Update.
10594         (force_edge_cold): Update.
10595         * profile-count.c (profile_count::dump): Add missing space into dump.
10596         (profile_count::debug): Add newline.
10597         (profile_count::differs_from_p): Explicitly convert to unsigned.
10598         (profile_count::stream_in): Update.
10599         (profile_probability::dump): New member function.
10600         (profile_probability::debug): New member function.
10601         (profile_probability::differs_from_p): New member function.
10602         (profile_probability::differs_lot_from_p): New member function.
10603         (profile_probability::stream_in): New member function.
10604         (profile_probability::stream_out): New member function.
10605         * profile-count.h (profile_count_quality): Rename to ...
10606         (profile_quality): ... this one.
10607         (profile_probability): New.
10608         (profile_count): Update.
10609         * profile.c (compute_branch_probabilities): Update.
10610         * recog.c (peep2_attempt): Update.
10611         * sched-ebb.c (schedule_ebbs): Update.
10612         * sched-rgn.c (find_single_block_region): Update.
10613         (compute_dom_prob_ps): Update.
10614         (schedule_region): Update.
10615         * sel-sched-ir.c (compute_succs_info): Update.
10616         * stmt.c (struct case_node): Update.
10617         (do_jump_if_equal): Update.
10618         (get_outgoing_edge_probs): Update.
10619         (conditional_probability): Update.
10620         (emit_case_dispatch_table): Update.
10621         (expand_case): Update.
10622         (expand_sjlj_dispatch_table): Update.
10623         (emit_case_nodes): Update.
10624         * targhooks.c: Update.
10625         * tracer.c (better_p): Update.
10626         (find_best_successor): Update.
10627         * trans-mem.c (expand_transaction): Update.
10628         * tree-call-cdce.c: Update.
10629         * tree-cfg.c (gimple_split_edge): Upate.
10630         (move_sese_region_to_fn): Upate.
10631         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
10632         * tree-eh.c (lower_resx): Upate.
10633         (cleanup_empty_eh_move_lp): Upate.
10634         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10635         * tree-inline.c (copy_edges_for_bb): Update.
10636         (copy_cfg_body): Update.
10637         * tree-parloops.c (gen_parallel_loop): Update.
10638         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
10639         (gimple_gen_time_profiler): Update.
10640         * tree-ssa-dce.c (remove_dead_stmt): Update.
10641         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
10642         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
10643         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
10644         (unloop_loops): Update.
10645         (try_peel_loop): Update.
10646         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10647         * tree-ssa-loop-split.c (connect_loops): Update.
10648         (split_loop): Update.
10649         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10650         (hoist_guard): Update.
10651         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
10652         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
10653         (value_replacement): Update.
10654         * tree-ssa-reassoc.c (branch_fixup): Update.
10655         * tree-ssa-tail-merge.c (replace_block_by): Update.
10656         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
10657         (create_edge_and_update_destination_phis): Update.
10658         (compute_path_counts): Update.
10659         (recompute_probabilities): Update.
10660         (update_joiner_offpath_counts): Update.
10661         (freqs_to_counts_path): Update.
10662         (duplicate_thread_path): Update.
10663         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
10664         (struct switch_conv_info): Update.
10665         (gen_inbound_check): Update.
10666         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
10667         (vect_do_peeling): Update.
10668         (vect_loop_versioning): Update.
10669         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10670         (optimize_mask_stores): Update.
10671         * ubsan.c (ubsan_expand_null_ifn): Update.
10672         * value-prof.c (gimple_divmod_fixed_value): Update.
10673         (gimple_divmod_fixed_value_transform): Update.
10674         (gimple_mod_pow2): Update.
10675         (gimple_mod_pow2_value_transform): Update.
10676         (gimple_mod_subtract): Update.
10677         (gimple_mod_subtract_transform): Update.
10678         (gimple_ic): Update.
10679         (gimple_stringop_fixed_value): Update.
10680         (gimple_stringops_transform): Update.
10681         * value-prof.h: Update.
10682
10683 2017-06-29  Carl Love  <cel@us.ibm.com>
10684
10685         * config/rs6000/rs6000-c.c: Add support for built-in functions
10686         vector signed int vec_signed (vector float);
10687         vector signed long long vec_signed (vector double);
10688         vector signed int vec_signed2 (vector double, vector double);
10689         vector signed int vec_signede (vector double);
10690         vector signed int vec_signedo (vector double);
10691         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
10692         instruction generator.
10693         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10694         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
10695         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
10696         Add define_insn.
10697         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
10698         vunsignede_v2df): Add define_expands.
10699         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
10700         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
10701         VEC_UNSIGNEDO): Add definitions.
10702         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10703         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
10704         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
10705         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
10706         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
10707         * config/rs6000/altivec.h (vec_signed, vec_signed2,
10708         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
10709         vec_unsignede, vec_unsignedo): Add builtin defines.
10710         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
10711         declaration.
10712         * doc/extend.texi: Update the built-in documentation file for the
10713         new built-in functions.
10714
10715 2017-06-29  Richard Biener  <rguenther@suse.de>
10716
10717         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
10718         reduction chains to LOOP_VINFO_REDUCTIONS.
10719         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
10720         SLP reductions after processing reduction chains.
10721
10722 2017-06-29  Nathan Sidwell  <nathan@acm.org>
10723
10724         * builtins.c (fold_builtin_FUNCTION): Use
10725         lang_hooks.decl_printable_name.
10726
10727 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
10728
10729         PR middle-end/81194
10730         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
10731         with only one label.
10732         * stmt.c (expand_case): Assert NCASES is greater than one.
10733
10734 2017-06-29  Richard Biener  <rguenther@suse.de>
10735
10736         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
10737         anything.
10738         (group_case_labels): Likewise.
10739         (find_taken_edge): Push sanity checking on val to workers...
10740         (find_taken_edge_cond_expr): ... here
10741         (find_taken_edge_switch_expr): ... and here, handle cases
10742         with just a default label.
10743         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
10744         (group_case_labels): Likewise.
10745         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
10746         group_case_labels does anything cleanup the CFG again.
10747
10748 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
10749
10750         PR tree-optimization/81196
10751         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
10752         exit condition comparing two IVs.
10753
10754 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
10755
10756         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
10757         profile to the dummy entry at the end of the list of architectures.
10758         * config/arm/arm-cpu-cdata.h: Regenerated.
10759
10760 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10761             Michael Collison <michael.collison@arm.com>
10762
10763         PR target/70119
10764         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
10765         New pattern.
10766         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
10767         (*aarch64_reg_<mode>3_minus_mask): New pattern.
10768         (*aarch64_<optab>_reg_di3_mask2): New pattern.
10769         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
10770         of shift when the shift amount is masked with constant equal to
10771         the size of the mode.
10772         * config/aarch64/predicates.md (subreg_lowpart_operator): New
10773         predicate.
10774
10775 2017-06-29  Martin Liska  <mliska@suse.cz>
10776
10777         * config/i386/i386.opt: Change range from [1,5] to [0,5].
10778
10779 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
10780
10781         PR bootstrap/80565
10782         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
10783         code.
10784         * ipa-inline.h
10785         (edge_growth_cache_entry::edge_growth_cache_entry): New
10786         function.
10787         (reset_edge_growth_cache): Update to use constructor.
10788
10789 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10790
10791         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
10792         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10793         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10794
10795 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
10796
10797         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
10798         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
10799
10800 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
10801
10802         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
10803         (*-linux-uclibc*): Add t-uclibc tmake_file.
10804         * config/t-musl: New.
10805         * config/t-uclibc: New.
10806
10807 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
10808
10809         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
10810         context.
10811         (gen_comm_data): Emit architectural setting of arch_prof.
10812         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
10813         profile.
10814         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
10815         (armv8-m.base, armv8-m.main): Likewise.
10816         * arm-protos.h (arm_build_target): Add profile field.
10817         (arch_option): Likewise.
10818         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
10819         the active target.
10820         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
10821         arm_active_target.profile.
10822
10823 2017-06-28  Richard Biener  <rguenther@suse.de>
10824
10825         PR middle-end/81227
10826         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
10827         TYPE_OVERFLOW_WRAPS.
10828         * match.pd (negate_expr_p): Likewise.
10829         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
10830         fold_build2, not fold_binary.
10831
10832 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10833
10834         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
10835         Convert memory address to Pmode.
10836         (aarch64_print_operand): Assert MEM operands are always Pmode.
10837
10838 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10839
10840         PR target/79665
10841         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
10842         Remove redundant if.
10843         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
10844         * config/arm/aarch-common-protos.h
10845         (aarch_forward_to_shift_is_not_shifted_re): Remove.
10846         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
10847
10848 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
10849
10850         PR ipa/81238
10851         * multiple_target.c (create_dispatcher_calls): Set the default
10852         clone to be static, not public.
10853
10854 2017-06-28  Richard Biener  <rguenther@suse.de>
10855
10856         * tree-vect-loop.c (vectorizable_reduction): Move special
10857         cond reduction IV var creation ...
10858         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
10859         parameter.  Use STMT_VINFO_VECTYPE.
10860         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
10861         constant_p.
10862
10863 2017-06-28  Martin Liska  <mliska@suse.cz>
10864
10865         PR ipa/81128
10866         * ipa-visibility.c (non_local_p): Handle visibility.
10867
10868 2017-06-28  Martin Liska  <mliska@suse.cz>
10869
10870         PR driver/79659
10871         * common.opt: Add IntegerRange to various options.
10872         * opt-functions.awk (integer_range_info): New function.
10873         * optc-gen.awk: Add integer_range_info to cl_options struct.
10874         * opts-common.c (decode_cmdline_option): Handle
10875         CL_ERR_INT_RANGE_ARG.
10876         (cmdline_handle_error): Likewise.
10877         * opts.c (print_filtered_help): Show valid interval in
10878         when --help is provided.
10879         * opts.h (struct cl_option): Add range_min and range_max fields.
10880         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
10881
10882 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
10883
10884         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
10885         (x * C EQ/NE y * C): New transformation.
10886
10887 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
10888
10889         * genmultilib (combination_space): Accept '+' in option names.
10890
10891 2017-06-28  Martin Liska  <mliska@suse.cz>
10892
10893         PR sanitizer/81224
10894         * asan.c (instrument_derefs): Bail out inner references
10895         that are hard register variables.
10896
10897 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
10898
10899         PR target/81175
10900         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
10901         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
10902
10903 2017-06-28  Richard Biener  <rguenther@suse.de>
10904
10905         * tree-vectorizer.h (vect_get_vec_defs): Remove.
10906         (vect_get_slp_defs): Adjust.
10907         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
10908         out from ...
10909         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
10910         simplify.
10911         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
10912         get_initial_defs_for_reduction instead of vect_get_vec_defs.
10913         (vectorizable_reduction): Adjust.
10914         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
10915         handling.
10916         (vect_get_slp_defs): Likewise.
10917         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
10918         (vectorizable_bswap): Adjust.
10919         (vectorizable_call): Likewise.
10920         (vectorizable_conversion): Likewise.
10921         (vectorizable_assignment): Likewise.
10922         (vectorizable_shift): Likewise.
10923         (vectorizable_operation): Likewise.
10924         (vectorizable_store): Likewise.
10925         (vectorizable_condition): Likewise.
10926         (vectorizable_comparison): Likewise.
10927
10928 2017-06-28  Michael Collison  <michael.collison@arm.com>
10929
10930         PR target/68535
10931         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
10932         set of base_reg
10933         (arm_gen_movmemqi): Removed unused variable 'i'.
10934         Convert 'for' loop into 'while' loop.
10935         (arm_expand_prologue): Remove last unnecessary set of insn.
10936         (thumb_pop): Remove unused variable 'pushed_words'.
10937         (thumb_exit): Remove last unnecessary set of regs_to_pop.
10938
10939 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10940
10941         * config/s390/predicates.md: Use s390_rel_address_ok_p.
10942         * config/s390/s390-protos.h: Add prototype of
10943         s390_rel_address_ok_p.
10944         * config/s390/s390.c (s390_got_symbol): New function.
10945         (s390_rel_address_ok_p): New function.
10946         (legitimize_pic_address): Use s390_rel_address_ok_p.
10947         (s390_load_got): Use s390_got_symbol.
10948         (s390_option_override): Issue error if
10949         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
10950         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
10951         New macro.
10952         * config/s390/s390.opt: New option mpic-data-is-text-relative.
10953
10954 2017-06-27  Andrew Pinski  <apinski@cavium.com>
10955
10956         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
10957         (X * copysign (1.0, X)): New pattern.
10958         (X * copysign (1.0, -X)): New pattern.
10959         (copysign (-1.0, CST)): New pattern.
10960
10961 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
10962
10963         * genmultilib (combination_space): Remove variable.
10964         Validate reuse rules against regular expression for any sequence
10965         of multilib options in any order.
10966
10967 2017-06-27  Michael Collison  <michael.collison@arm.com>
10968
10969         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
10970         call aarch64_split_simd_combine.
10971         * (aarch64_combine_internal<mode>): Delete pattern.
10972         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
10973         Allow register and subreg operands.
10974
10975 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10976
10977         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
10978         specific need, just fallback on defaults.
10979         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
10980
10981 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10982             Olivier Hainque  <hainque@adacore.com>
10983
10984         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
10985         map for 64bits.
10986         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
10987         targets. Pick a default if no particular attempt applied.
10988         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
10989         larger contexts.
10990
10991 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10992
10993         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
10994         (x86_64-wrs-vxworks7): Likewise.
10995
10996 2017-06-27  Marek Polacek  <polacek@redhat.com>
10997
10998         PR sanitizer/81223
10999         * ubsan.c (instrument_null): Check get_base_address's result for null.
11000
11001 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11002
11003         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
11004
11005 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11006
11007         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
11008         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
11009         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
11010         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
11011         New function types.
11012         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
11013         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
11014         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
11015         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
11016         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
11017         BUILT_IN_FEUPDATEENV): New builtins.
11018         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
11019         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
11020         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
11021         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
11022         macros.
11023         (builtin_structptr_types): Adjust size.
11024         * tree.c (builtin_structptr_types): Add four entries.
11025
11026 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11027             Olivier Hainque  <hainque@adacore.com>
11028
11029         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
11030         (TLS_SYM): New local macro, forcing reference to __tls__ on
11031         link command lines for VxWorks 7 RTPs, triggering initialization
11032         of tlsLib.
11033         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
11034         OS features TLS support, true for RTPs on VxWorks 7.
11035         * config/vxworks.c (vxworks_override_options): Setup emutls
11036         accordingly.
11037
11038 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11039
11040         * predict.c (test_prediction_value_range): Use -1U instead of -1
11041         to avoid narrowing conversion warning.
11042         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
11043         to avoid narrowing conversion warning.
11044         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
11045         -1.
11046         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
11047
11048 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11049
11050         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
11051         64bit configurations.
11052         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
11053         (SIZE_TYPE): Likewise.
11054         * config/vxworks.c (vxworks_emutls_var_fields): Use
11055         long_unsigned_type_node instead of unsigned_type_node as the offset
11056         field type, which is "pointer" mode in emutls.c.
11057
11058 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11059
11060         PR sanitizer/81209
11061         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
11062
11063         PR middle-end/81207
11064         * gimple-fold.c (replace_call_with_call_and_fold): Handle
11065         gimple_vuse copying separately from gimple_vdef copying.
11066
11067 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11068
11069         * value-prof.c (free_hist): Remove call to memset and the enclosing if
11070         condition.
11071
11072 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11073             Olivier Hainque  <hainque@adacore.com>
11074
11075         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
11076         for all vxworks7 targets.
11077         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
11078         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
11079         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
11080         variations for VX6/VX7 and 32/64bits later on in ...
11081         (VXWORKS_LIB_SPEC): Leverage new macros.
11082         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
11083         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
11084
11085 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11086
11087         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
11088         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
11089
11090 2017-06-26  Carl Love  <cel@us.ibm.com>
11091
11092         * config/rs6000/rs6000-c.c: Add support for built-in functions
11093         vector bool char vec_reve (vector bool char);
11094         vector signed char vec_reve (vector signed char);
11095         vector unsigned char vec_reve (vector unsigned char);
11096         vector bool int vec_reve (vector bool int);
11097         vector signed int vec_reve (vector signed int);
11098         vector unsigned int vec_reve (vector unsigned int);
11099         vector bool long long vec_reve (vector bool long long);
11100         vector signed long long vec_reve (vector signed long long);
11101         vector unsigned long long vec_reve (vector unsigned long long);
11102         vector bool short vec_reve (vector bool short);
11103         vector signed short vec_reve (vector signed short);
11104         vector double vec_reve (vector double);
11105         vector float vec_reve (vector float);
11106         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
11107         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
11108         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
11109         (altivec_vreve): New pattern.
11110         * config/rs6000/altivec.h (vec_reve): New define.
11111         * doc/extend.texi (vec_rev): Update the built-in documentation file
11112         for the new built-in functions.
11113
11114 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11115
11116         PR tree-optimization/71815
11117         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
11118         function.
11119         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
11120         has_single_use.
11121         (slsr_process_phi): Likewise.
11122         (replace_uncond_cands_and_profitable_phis): Don't replace a
11123         multiply candidate with a stride of 1 (copy or cast).
11124         (phi_incr_cost): Call uses_consumed_by_stmt rather than
11125         has_single_use.
11126         (lowest_cost_path): Likewise.
11127         (total_savings): Likewise.
11128
11129 2017-06-26  Richard Biener  <rguenther@suse.de>
11130
11131         PR target/81175
11132         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
11133         Use def_builtin_pure for all gather builtins.
11134
11135 2017-06-26  Richard Biener  <rguenther@suse.de>
11136
11137         PR tree-optimization/81203
11138         * tree-tailcall.c (find_tail_calls): Do not move stmts into
11139         non-dominating BBs.
11140
11141 2017-06-26  Marek Polacek  <polacek@redhat.com>
11142
11143         PR c/80116
11144         * doc/invoke.texi: Document -Wmultistatement-macros.
11145
11146 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
11147
11148         * doc/sourcebuild.texi (ARM-specific attributes): Document new
11149         arm_neon_ok_no_float_abi effective target.
11150
11151 2017-06-26  Richard Biener  <rguenther@suse.de>
11152
11153         PR tree-optimization/80928
11154         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
11155         (copy_bbs): Set BB_DUPLICATED flag early.
11156         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
11157         marked blocks.
11158         (execute_on_shrinking_pred): Likewise.
11159         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
11160         BB_DUPLICATED blocks.
11161         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
11162         iterate over all PHIs considering removal of *gsi.
11163
11164 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
11165
11166         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
11167         qdf24xx.
11168
11169 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11170
11171         * config/rs6000/rs6000-string.c: (expand_block_clear,
11172         do_load_for_compare, select_block_compare_mode,
11173         compute_current_alignment, expand_block_compare,
11174         expand_strncmp_align_check, expand_strn_compare,
11175         expand_block_move, rs6000_output_load_multiple)
11176         Move functions related to string/block move/compare
11177         to a separate file.
11178         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
11179         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
11180         for this function which is now used in two files.
11181         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
11182         * config.gcc: Add rs6000-string.o to extra_objs for
11183         targets powerpc*-*-* and rs6000*-*-*.
11184
11185 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
11186
11187         PR target/80510
11188         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
11189         32-bit, since indexed is not valid for DImode.
11190         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
11191         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
11192         (define_peephole2 for Altivec d-form load): Add 32-bit support.
11193         (define_peephole2 for Altivec d-form store): Likewise.
11194
11195         PR ipa/81185
11196         * multiple_target.c (create_dispatcher_calls): Only create the
11197         dispatcher call if the function is the default clone of a
11198         versioned function.
11199
11200 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
11201
11202         PR middle-end/80902
11203         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
11204         a call, force the call to not be a tail call.
11205
11206 2017-06-23  Jeff Law  <law@redhat.com>
11207
11208         * doc/contrib.texi: Add entry for Steven Pemberton's work on
11209         enquire.
11210
11211 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
11212
11213         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
11214         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
11215         handling for early expansion of vector shifts (sl,sr,sra,rl).
11216         (builtin_function_type): Add vector shift right instructions
11217         to the unsigned argument list.
11218
11219 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11220
11221         rtl-optimizatoin/79286
11222         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
11223         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
11224         trap.  PIC register plus a const unspec without offset can never trap.
11225
11226 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
11227
11228         * tree.h (builtin_structptr_type): New type.
11229         (builtin_structptr_types): Declare new array.
11230         * tree.c (builtin_structptr_types): New array.
11231         (free_lang_data, build_common_tree_nodes): Use it.
11232
11233 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
11234
11235         PR c++/81187
11236         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
11237         -Wnoexcept.
11238
11239 2017-06-22  Matt Turner  <mattst88@gmail.com>
11240
11241         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
11242         Lake models to skylake case.  Assume skylake for unknown
11243         models with clflushopt.
11244
11245 2017-06-22  Jeff Law  <law@redhat.com>
11246
11247         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
11248         frame sizes that do not satisfy aarch64_uimm12_shift.
11249
11250 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
11251
11252         * profile-count.h (apply_probability,
11253         apply_scale, probability_in): Fix checks for zero.
11254
11255 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11256
11257         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
11258         * doc/cppdiropts.texi (-I @var{dir}): Document it.
11259
11260 2016-06-22  Richard Biener  <rguenther@suse.de>
11261
11262         * tree-vect-loop.c (vect_model_reduction_cost): Handle
11263         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
11264         REDUC_MAX_EXPR support.
11265         (vectorizable_reduction): Likewise.
11266         (vect_create_epilog_for_reduction): Likewise.
11267
11268 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
11269
11270         * match.pd (A / (1 << B) -> A >> B): New.
11271         * generic-match-head.c: Include optabs-tree.h.
11272         * gimple-match-head.c: Likewise.
11273         * optabs-tree.h (target_supports_op_p): New.
11274         * optabs-tree.c (target_supports_op_p): New.
11275
11276 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11277
11278         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
11279         $gcc_cv_ld --help output.
11280         (gcc_cv_ld_demangle): Likewise.
11281         (gcc_cv_ld_eh_frame_hdr): Likewise.
11282         (gcc_cv_ld_pie): Likewise.
11283         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
11284         (gcc_cv_ld_buildid): Likewise.
11285         (gcc_cv_ld_sysroot): Likewise.
11286         (ld_bndplt_support): Likewise.
11287         (ld_pushpopstate_support): Likewise.
11288         * configure: Regenerate.
11289         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
11290
11291 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11292
11293         PR target/81151
11294         * config/i386/sse.md (round<mode>2): Renumber match_dup and
11295         operands indexes to avoid gap between operands and match_dups.
11296
11297 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11298
11299         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
11300         Increment Arith_shift and Arith_shift_reg by 1.
11301         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
11302         New tuning flag.
11303         * config/aarch64/aarch64.c (thunderx_tunings): Enable
11304         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
11305         (aarch64_strip_extend): Add new argument and test for it.
11306         (aarch64_cheap_mult_shift_p): New function.
11307         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
11308         add a cost if it is true.
11309         Update calls to aarch64_strip_extend.
11310         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
11311
11312 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11313
11314         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
11315         tunings.
11316         (thunderxt88): Likewise.
11317         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
11318         (thunderx_prefetch_tune): New variable.
11319         (thunderx2t99_prefetch_tune): Update for the correct values.
11320         (thunderxt88_tunings): New variable.
11321         (thunderx_tunings): Use thunderx_prefetch_tune instead of
11322         generic_prefetch_tune.
11323         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
11324
11325 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11326
11327         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
11328         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
11329         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
11330         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
11331         (aarch64_atomic_cas<mode>, GPI): Likewise.
11332
11333 2017-06-21  Martin Liska  <mliska@suse.cz>
11334
11335         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
11336         statements on cold and hot labels.
11337         * predict.c (tree_estimate_probability_bb): Remove the
11338         prediction from this place.
11339
11340 2017-06-21  Martin Liska  <mliska@suse.cz>
11341
11342         PR tree-optimization/79489
11343         * gimplify.c (maybe_add_early_return_predict_stmt): New
11344         function.
11345         (gimplify_return_expr): Call the function.
11346         * predict.c (tree_estimate_probability_bb): Remove handling
11347         of early return.
11348         * predict.def: Update comment about early return predictor.
11349         * gimple-predict.h (is_gimple_predict): New function.
11350         * predict.def: Change default value of early return to 66.
11351         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
11352         statements.
11353         * passes.def: Put pass_strip_predict_hints to the beginning of
11354         IPA passes.
11355
11356 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
11357
11358         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
11359         FUNCTION_DECL declarations.
11360         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
11361         declarations.
11362         (dwaf2out_decl): Likewise.
11363         * godump.c (go_early_global_decl): Skip call to the real debug hook
11364         for FUNCTION_DECL declarations.
11365         * passes.c (rest_of_decl_compilation): Skip call to the
11366         early_global_decl debug hook for FUNCTION_DECL declarations, unless
11367         -fdump-go-spec is passed.
11368
11369 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11370
11371         * config/i386/i386.c (struct builtin_isa): New field pure_p.
11372         Reorder for compactness.
11373         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
11374         (def_builtin_pure, def_builtin_pure2): New functions.
11375         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
11376
11377 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11378
11379         * match.pd (nop_convert): New predicate.
11380         ((A +- CST1) +- CST2): Allow some NOP conversions.
11381
11382 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11383
11384         PR c++/81130
11385         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
11386         with ctors/dtors if GOVD_SHARED is set.
11387
11388 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11389
11390         * config/aarch64/aarch64.md (movti_aarch64):
11391         Emit mov rather than orr.
11392         (movtf_aarch64): Likewise.
11393         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
11394         Emit mov rather than orr.
11395
11396 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11397
11398         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
11399         Swap alternatives, make integer dup more expensive.
11400
11401 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11402
11403         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
11404         Return true for non-tls symbols.
11405
11406 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
11407
11408         * config/aarch64/aarch64-cores.def (cortex-a55): New.
11409         (cortex-a75): Likewise.
11410         (cortex-a75.cortex-a55): Likewise.
11411         * config/aarch64/aarch64-tune.md: Regenerate.
11412         * doc/invoke.texi (-mtune): Document new values for -mtune.
11413
11414 2017-06-21  Tom de Vries  <tom@codesourcery.com>
11415
11416         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
11417         stack_size feature.
11418         (Effective-Target Keywords, Other attributes): Suggest using
11419         dg-add-options stack_size feature to get stack limit in stack_size
11420         effective target documentation.
11421
11422 2017-06-21  Julian Brown  <julian@codesourcery.com>
11423             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11424
11425         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
11426         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
11427         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
11428         reservation.
11429         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
11430         attribute type list for neon_multiply.
11431         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
11432         attribute type list for neon_multiply.
11433         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
11434         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
11435         attribute type list for neon_multiply.
11436         * config/arm/types.md (crypto_pmull): Add.
11437         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
11438         attribute type list.
11439
11440 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
11441
11442         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
11443         arm1176jzf-s.
11444
11445 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11446
11447         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
11448         to make sure not to dereference a NULL cost_classes_ptr pointer.
11449
11450 2017-06-20  Carl Love  <cel@us.ibm.com>
11451
11452         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11453         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
11454         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
11455         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
11456         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
11457         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
11458         VMULOSW): New enum "unspec" values.
11459         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
11460         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
11461         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
11462         altivec_vmulosw): New patterns.
11463         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
11464         VMULOSW): Add definitions.
11465
11466 2017-06-20  Julia Koval  <julia.koval@intel.com>
11467
11468         * config/i386/i386.c: Fix rounding expand for new pattern.
11469         * config/i386/subst.md: Fix pattern (parallel -> unspec).
11470
11471 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11472
11473         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
11474         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
11475
11476 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11477
11478         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
11479         feature string.
11480
11481 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11482
11483         * config/aarch64/aarch64-cores.def: Rearrange to sort by
11484         architecture, then by implementer ID.
11485         * config/aarch64/aarch64-tune.md: Regenerate.
11486
11487 2017-06-20  Richard Biener  <rguenther@suse.de>
11488
11489         PR middle-end/81097
11490         * fold-const.c (split_tree): Fold to type before negating.
11491
11492 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
11493
11494         * diagnostic-show-locus.c
11495         (selftest::test_fixit_deletion_affecting_newline): New function.
11496         (selftest::diagnostic_show_locus_c_tests): Call it.
11497
11498 2017-06-20  Andreas Schwab  <schwab@suse.de>
11499
11500         PR target/80970
11501         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
11502         instead of "+d".
11503
11504 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
11505
11506         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
11507         __ARM_FEATURE_COPROC according to support.
11508
11509 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11510
11511         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
11512         Rewritten to avoid overflow for > 32-bit pointers.
11513
11514         PR sanitizer/81125
11515         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
11516         by removing enum keyword.
11517         (ubsan_type_descriptor): Likewise.  Formatting fix.
11518
11519         PR target/81121
11520         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
11521         splitter): Require TARGET_SSE2 in the condition.
11522
11523 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
11524
11525         PR target/79799
11526         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
11527         for doing vector set of SFmode on ISA 3.0.
11528         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
11529         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
11530         element.
11531         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
11532         SFmode value into a V4SF variable that was extracted from another
11533         V4SF variable without converting the element to double precision
11534         and back to single precision vector format.
11535         (vsx_insert_extract_v4sf_p9_2): Likewise.
11536
11537 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
11538
11539         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
11540         in UWHI to avoid undefined overflow.
11541
11542         PR sanitizer/81125
11543         * ubsan.h (enum ubsan_encode_value_phase): New.
11544         (ubsan_encode_value): Change second argument to
11545         enum ubsan_encode_value_phase with default value of
11546         UBSAN_ENCODE_VALUE_GENERIC.
11547         * ubsan.c (ubsan_encode_value): Change second argument to
11548         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
11549         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
11550         create_tmp_var_raw instead of create_tmp_var and use a
11551         TARGET_EXPR.
11552         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
11553         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
11554         ubsan_encode_value callers.
11555
11556         PR sanitizer/81111
11557         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
11558         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
11559         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
11560
11561 2017-06-19  Richard Biener  <rguenther@suse.de>
11562
11563         PR middle-end/81118
11564         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
11565         estimates if we changed anything.
11566
11567 2017-06-19  Richard Biener  <rguenther@suse.de>
11568
11569         PR tree-optimization/80887
11570         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
11571         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
11572         simplified lookups, then reset mprts_hook.
11573         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
11574         simplifying.
11575         (try_to_simplify): Likewise.
11576
11577 2017-06-19  Martin Liska  <mliska@suse.cz>
11578
11579         PR sanitizer/80879
11580         * gimplify.c (gimplify_switch_expr):
11581         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
11582
11583 2017-06-19  Martin Liska  <mliska@suse.cz>
11584
11585         * doc/install.texi: Document that PGO runs in 4 stages.
11586
11587 2017-06-19  Martin Liska  <mliska@suse.cz>
11588
11589         PR ipa/80732
11590         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
11591         to dispatcher function name.
11592         * multiple_target.c (replace_function_decl): New function.
11593         (create_dispatcher_calls): Redirect both edges and references.
11594
11595 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
11596
11597         * profile-count.c (profile_count::dump): Dump quality.
11598         (profile_count::differs_from_p): Update for unsigned val.
11599         * profile-count.h (profile_count_quality): New enum.
11600         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
11601
11602 2017-06-19  Richard Biener  <rguenther@suse.de>
11603
11604         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
11605         struct function as arg.
11606         (estimate_numbers_of_iterations): Export overload with loop arg.
11607         (free_numbers_of_iterations_estimates_loop): Use an overload of
11608         free_numbers_of_iterations_estimates instead.
11609         * tree-cfg.c (remove_bb): Adjust.
11610         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
11611         * tree-parloops.c (gen_parallel_loop): Likewise.
11612         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
11613         Likewise.
11614         (tree_unroll_loops_completely): Likewise.
11615         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
11616         Use an overload instead and export.
11617         (estimated_loop_iterations): Adjust.
11618         (max_loop_iterations): Likewise.
11619         (likely_max_loop_iterations): Likewise.
11620         (estimate_numbers_of_iterations): Take struct function as arg
11621         and adjust.
11622         (loop_exits_before_overflow): Adjust.
11623         (free_numbers_of_iterations_estimates_loop): Use an overload.
11624         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
11625         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
11626
11627 2017-06-19  Richard Biener  <rguenther@suse.de>
11628
11629         PR ipa/81112
11630         * ipa-prop.c (find_constructor_constant_at_offset): Handle
11631         RANGE_EXPR conservatively.
11632
11633 2017-06-16  Carl Love  <cel@us.ibm.com>
11634
11635         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11636         definitions for vec_float, vec_float2, vec_floato,
11637         vec_floate built-ins.
11638         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
11639         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
11640         floate.
11641         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
11642         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
11643         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
11644         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
11645         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
11646         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
11647         vec_floato): Add builtin defines.
11648         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
11649         Update the built-in documentation file for the new built-in
11650         functions.
11651
11652 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11653
11654         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
11655         (mthumb): Mark as the negative of -marm.
11656
11657 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11658
11659         * doc/invoke.texi (ARM Options, -mcpu): Document supported
11660         extension options.
11661         (ARM Options, -mtune): Document that this accepts the same
11662         extension options as -mcpu.
11663         (ARM Options, -mfpu): Document addition of -mfpu=auto.
11664
11665 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11666
11667         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
11668         permitted extensions.
11669
11670 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11671
11672         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
11673         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
11674         (armv8-m.main): Add option +nodsp.
11675         * config/arm/arm-cpu-cdata.h: Regenerated.
11676
11677 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11678
11679         * config/arm/t-fuchsia: New file.
11680         * config.gcc (arm*-*-fuchsia*): Use it.
11681
11682 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11683
11684         * config/arm/t-symbian: Rewrite for new option infrastructure.
11685
11686 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11687
11688         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
11689         (MULTILIB_REQUIRED): Likewise.
11690
11691 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11692
11693         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
11694         (MULTILIB_RESUE): Likewise.
11695         (MULTILIB_MATCHES): Likewise.
11696         (MULTLIB_REQUIRED): Likewise.
11697
11698 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11699
11700         * config/arm/t-rtems: Rewrite for new option framework.
11701
11702 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11703
11704         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
11705         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
11706         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
11707         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
11708         * config/arm/t-multilib: ... here.
11709         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
11710         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
11711         armv7-a and armv8*-a when A-profile libraries have not been built.
11712         * config/arm/t-rmprofile: Rewrite.
11713
11714 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11715
11716         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
11717         with a backslash.  Remove the backslash after substituting unescaped
11718         periods.
11719         * doc/fragments.texi (MULTILIB_REUSE): Document it.
11720
11721 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11722
11723         * config.gcc: (arm*-*-*): When building a-profile libraries, force
11724         the driver to pass through the default setting of -mfloat-abi.
11725         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
11726         rather than NULL.
11727         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
11728         (all_feat_combs): New rule.
11729         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
11730         default libraries.
11731         * config/arm/t-aprofile: Rewrite.
11732
11733 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11734
11735         * config/arm/arm.h (FPUTYPE_AUTO): Define.
11736         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
11737         fpu is not specified by the user/command-line.
11738         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
11739         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
11740         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
11741         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
11742         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
11743         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
11744
11745 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11746
11747         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
11748         * config/arm/t-arm-elf: Rewritten.
11749
11750 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11751
11752         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
11753         have some floating-point instructions.
11754         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
11755         (TARGET_MAYBE_HARD_FLOAT): New macro.
11756         * config/arm/arm-builtins.c (arm_init_builtins): Use
11757         TARGET_MAYBE_HARD_FLOAT.
11758         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
11759
11760 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11761
11762         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
11763         (configargs.h): Include it.
11764         (arm_print_hint_for_fpu_option): New function.
11765         (arm_parse_fpu_option): New function.
11766         (candidate_extension): New class.
11767         (arm_canon_for_multilib): New function.
11768         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
11769         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
11770         (ARCH_CANONICAL_SPECS): New macro.
11771         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
11772
11773 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11774
11775         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
11776         are set after handling multilib fragments.  Set target_cpu_default2
11777         from with_cpu.
11778
11779 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11780
11781         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
11782         cpu name.
11783         (arm*-*-*): Set target_cpu_default2 to a quoted string.
11784         * config/arm/parsecpu.awk (check_cpu): Validate any extension
11785         options.
11786         (check_arch): Likewise.
11787         * config/arm/arm.c (arm_configure_build_target): Handle
11788         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
11789         options in the default.
11790
11791 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11792
11793         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
11794         when an option is an alias of another.
11795         * config/arm/parsecpu.awk (optalias): New parser token.
11796         (gen_comm_data): Mark non-alias options as such.  Emit entries
11797         for extension aliases.
11798         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
11799         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
11800         (armv6kz, armv6zk, armv6t2): Likewise.
11801         (armv7): Make vfpv3-d16 an alias.
11802         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
11803         canonical order.
11804         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
11805         Sort in canonical order.
11806         (armv8-a): Sort in canonical order.
11807         (armv8.1-a, armv8.2-a):  Likewise.
11808         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
11809         canonical order.
11810         (cortex-a9): Sort in canonical order.
11811         * config/arm/arm.c (selftests.h): Include it.
11812         (arm_test_cpu_arch_data): New function.
11813         (arm_run_self_tests): New function.
11814         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
11815         (targetm): Move declaration to the end of the file.
11816         * arm-cpu-cdata.h: Regenerated.
11817
11818 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11819
11820         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
11821         call to target_mode_check describing the type of option passed.
11822         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
11823         (arm_target_thumb_only): Use arm_parse_arch_option_name or
11824         arm_parse_cpu_option_name to match parameters against list of
11825         available targets.
11826         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
11827         arm_arch_core_flags data structure.
11828         * config/arm/arm-cpu_cdata.h: Regenerated.
11829
11830 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11831
11832         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
11833         config/arm/arm.c.
11834         (arm_print_hint_for_cpu_option): Likewise.
11835         (arm_print_hint_for_arch_option): Likewise.
11836         (arm_parse_cpu_option_name): Likewise.
11837         (arm_parse_arch_option_name): Likewise.
11838         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
11839         of entries in the all_fpus list.
11840         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
11841         (arm_parse_cpu_option_name): Declare.
11842         (arm_parse_arch_option_name): Declare.
11843         (arm_parse_option_features): Declare.
11844         (arm_intialize_isa): Declare.
11845         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
11846         data tables to ...
11847         (gen_comm_data): ... here.  Make definitions non-static.
11848         * config/arm/arm-cpu-data.h: Regenerated.
11849         * config/arm/arm-cpu-cdata.h: Regenerated.
11850
11851 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11852
11853         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
11854         (cpu_arch_extension): New structure.
11855         (cpu_arch_option, arch_option, cpu_option): New structures.
11856         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
11857         architecture types.
11858         (gen_data): Generate new format data tables.
11859         * config/arm/arm.c (cpu_tune): New structure.
11860         (cpu_option, processors): Delete.
11861         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
11862         (arm_print_hint_for_cpu_option): ... this and ...
11863         (arm_print_hint_for_arch_option): ... this.
11864         (arm_parse_arch_cpu_name): Delete.  Replace with ...
11865         (arm_parse_cpu_option_name): ... this and ...
11866         (arm_parse_arch_option_name): ... this.
11867         (arm_unrecognized_feature): Change type of target parameter to
11868         cpu_arch_option.
11869         (arm_parse_arch_cpu_features): Delete.  Replace with ...
11870         (arm_parse_option_features): ... this.
11871         (arm_configure_build_target): Rework to use new configuration data
11872         tables.
11873         (arm_print_tune_info): Rework for new configuration data tables.
11874         * config/arm/arm-cpu-data.h: Regenerated.
11875         * config/arm/arm-cpu.h: Regenerated.
11876
11877 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11878
11879         * Makefile.in (OBJS): Move sbitmap.o from here ...
11880         (OBJS-libcommon): ... to here.
11881
11882 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11883
11884         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
11885         (ISA_ALL_CRYPTO): New macro.
11886         (ISA_ALL_SIMD): New macro
11887         (ISA_ALL_FP): New macro.
11888         * config/arm/arm.c (fpu_bitlist): Update initializer.
11889         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
11890         simd or fp.
11891         (arm9e): Add fpu.  Add option for nofp
11892         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
11893         (arm926ej-s, arm1026ej-s): Likewise.
11894         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
11895         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
11896         neon-fp16, neon-vfpv4, nofp and nosimd.
11897         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
11898         (cortex-a8): Add fpu.  Add option for nofp.
11899         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
11900         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
11901         (cortex-r4f): Add fpu.
11902         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
11903         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
11904         for nofp.
11905         (cortex-r8): Likewise.
11906         (cortex-m4): Add fpu.  Add option for nofp.
11907         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
11908         (cortex-a17.cortex-a7): Likewise.
11909         (cortex-a32): Add fpu.  Add options for crypto and nofp.
11910         (cortex-a35, cortex-a53): Likewise.
11911         (cortex-a57): Add fpu.  Add option for crypto.
11912         (cortex-a72, cortex-a73): Likewise.
11913         (exynos-m1): Likewise.
11914         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
11915         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
11916         (cortex-m33): Add fpu.  Add option for nofp.
11917         * config/arm/arm-cpu-cdata.h: Regenerated
11918         * config/arm/arm-cpu-data.h: Regenerated.
11919
11920 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11921
11922         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
11923         (armv5te, armv5tej): Likewise.
11924         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
11925         (armv7): Add options fp and vfpv3-d16.
11926         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
11927         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
11928         nofp and nosimd.
11929         (armv7ve): Likewise.
11930         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
11931         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
11932         (armv8-a): Add nocrypto option.
11933         (armv8.1-a, armv8.2-a): Likewise.
11934         (armv8-m.main): add options fp, fp.dp and nofp.
11935
11936 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11937
11938         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
11939         nofp.
11940         (armv8-a+crc): Delete.
11941         (armv8.1-a): Add options simd, crypto and nofp.
11942         (armv8.2-a): Add options fp16, simd, crypto and nofp.
11943         (armv8.2-a+fp16): Delete.
11944         (armv8-m.main): Add option dsp.
11945         (armv8-m.main+dsp): Delete.
11946         (cortex-a8): Add fpu.  Add nofp option.
11947         (cortex-a9): Add fpu.  Add nofp and nosimd options.
11948         * config/arm/parsecpu.awk (gen_data): Generate option tables and
11949         link to main cpu and architecture data structures.
11950         (gen_comm_data): Only put isa attributes from the main architecture
11951         in common tables.
11952         (option): New statement for architecture and CPU entries.
11953         * arm.c (struct cpu_option): New structure.
11954         (struct processors): Add entry for options.
11955         (arm_unrecognized_feature): New function.
11956         (arm_parse_arch_cpu_name): Ignore any characters after the first
11957         '+' character.
11958         (arm_parse_arch_cpu_feature): New function.
11959         (arm_configure_build_target): Separate out any CPU and architecture
11960         features and parse separately.  Don't error out if -mfpu=auto is
11961         used with only an architecture string.
11962         (arm_print_asm_arch_directives): New function.
11963         (arm_file_start): Call it.
11964         * config/arm/arm-cpu-cdata.h: Regenerated.
11965         * config/arm/arm-cpu-data.h: Likewise.
11966         * config/arm/arm-tables.opt: Likewise.
11967
11968 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11969
11970         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
11971         assembler when it is not -mfpu=auto.
11972
11973 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11974
11975         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
11976         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
11977         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
11978         (ASM_CPU_SPEC): Rewrite.
11979         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
11980         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
11981         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
11982         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
11983         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
11984         copied string is NUL-terminated.  Also strip any characters prefixed
11985         by '+'.
11986         (arm_rewrite_selected_arch): New function.
11987         (arm_rewrite_march): New function.
11988
11989 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11990
11991         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
11992         (x_arm_cpu_string, x_arm_tune_string): Likewise.
11993         (march, mcpu, mtune): Convert to string-based options.
11994         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
11995         (arm_parse_arch_cpu_name): New function.
11996         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
11997         identify selected architecture or CPU.
11998         (arm_option_save): New function.
11999         (TARGET_OPTION_SAVE): Redefine.
12000         (arm_option_restore): Restore string options.
12001         (arm_option_print): Print string options.
12002
12003 2017-06-16  Martin Sebor  <msebor@redhat.com>
12004
12005         PR tree-optimization/80933
12006         PR tree-optimization/80934
12007         * builtins.c (fold_builtin_3): Do not handle bcmp here.
12008         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
12009         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
12010         (gimple_fold_builtin): Call them.
12011
12012 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12013
12014         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
12015         as unlikely; update profile.
12016
12017 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12018
12019         * predict.c (force_edge_cold): Handle declaring edges impossible
12020         more aggresively.
12021
12022 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12023
12024         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
12025         profile.
12026         (try_unroll_loop_completely): Fix reporting.
12027
12028 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12029
12030         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
12031
12032 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
12033
12034         PR target/71778
12035         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
12036         if given a non-constant argument for an intrinsic which requires a
12037         constant.
12038
12039 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12040
12041         * profile.c (compare_freqs): New function.
12042         (branch_prob): Sort edge list.
12043         (find_spanning_tree): Assume that the list is priority sorted.
12044
12045 2017-06-16  Richard Biener  <rguenther@suse.de>
12046
12047         PR tree-optimization/81090
12048         * passes.def (pass_record_bounds): Remove.
12049         * tree-pass.h (make_pass_record_bounds): Likewise.
12050         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
12051         make_pass_record_bounds): Likewise.
12052         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
12053         not free niter estimates at the beginning but at the end.
12054         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
12055
12056 2017-06-16  Richard Biener  <rguenther@suse.de>
12057
12058         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
12059         initializer to workaround ICE in host GCC 4.8.
12060
12061 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12062
12063         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
12064         counts.
12065         (clone_inlined_nodes): Update.
12066
12067 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12068
12069         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
12070         prefetch settings, and enable prefetching by default at -O3.
12071
12072 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12073
12074         * config/aarch64/aarch64.c (aarch64_override_options_internal):
12075         Set flag_prefetch_loop_arrays according to tuning data.
12076
12077 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12078
12079         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
12080         New tune structure.
12081         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
12082         [Unrelated to main purpose of the patch] Place the pointer field last
12083         to enable type checking errors when tune structure are wrongly merged.
12084         * config/aarch64/aarch64.c (generic_prefetch_tune,)
12085         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
12086         (thunderx2t99_prefetch_tune): New tune constants.
12087         (tune_params *_tunings): Update all tunings (no functional change).
12088         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
12089         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
12090         from tunings structures.
12091
12092 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
12093
12094         PR sanitizer/81094
12095         * ubsan.c (instrument_null): Add T argument, use it instead
12096         of computing it based on IS_LHS.
12097         (instrument_object_size): Likewise.
12098         (pass_ubsan::execute): Adjust instrument_null and
12099         instrument_object_size callers to pass gimple_get_lhs or
12100         gimple_assign_rhs1 result to it.  Use instrument_null instead of
12101         calling get_base_address and instrument_mem_ref.  Handle
12102         aggregate call arguments for object-size sanitization.
12103
12104 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
12105
12106         PR tree-optimization/81089
12107         * tree-vrp.c (is_masked_range_test): Validate operands of
12108         subexpression.
12109
12110 2017-06-15  Martin Sebor  <msebor@redhat.com>
12111
12112         PR c++/80560
12113         * dumpfile.c (dump_register): Avoid calling memset to initialize
12114         a class with a default ctor.
12115         * gcc.c (struct compiler): Remove const qualification.
12116         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
12117         * hash-table.h: Ditto.
12118         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
12119           assignment.
12120         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
12121         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
12122         default ctor.
12123         * params.h (struct param_info): Make struct members non-const.
12124         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
12125         with default initialization.
12126         * vec.h (vec_copy_construct, vec_default_construct): New helper
12127         functions.
12128         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
12129         with vec_copy_construct.
12130         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
12131         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
12132         * doc/invoke.texi (-Wclass-memaccess): Document.
12133
12134 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12135
12136         * emit-rtl.h (is_leaf): Update comment about local
12137         register allocator.
12138
12139 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
12140
12141         PR target/78818
12142         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
12143         for a variable to have a section before checking if the section has a
12144         name.
12145         Set section to.persistent if persistent attribute is set.
12146         Warn if .persistent attribute is used on an automatic variable.
12147
12148 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
12149
12150         PR rtl-optimization/80474
12151         * reorg.c (update_block): Do not ignore instructions in a delay slot.
12152
12153 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
12154
12155         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
12156         of REGNO.
12157
12158 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
12159
12160         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
12161         (casesi): Emit bounds checking as RTL.
12162         (casesi_internal_mips16_<mode>): Remove bounds checking.
12163
12164 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
12165
12166         * config/xtensa/xtensa.c (xtensa_option_override): Append
12167         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
12168         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
12169          xtensa_doloop_hooks): Define unconditionally.
12170         (xtensa_reorg_loops): Only call reorg_loops in the presence of
12171         TARGET_LOOPS.
12172         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
12173         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
12174         for it in xtensa_option_override.
12175         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
12176          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
12177
12178 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
12179
12180         * doc/cppopts.texi: Document '-' special value to -MF.
12181
12182 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
12183
12184         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
12185         (cortex_a53_fconst): Likewise.
12186         (cortex_a53_fpmul): Likewise.
12187         (cortex_a53_f_load_64): Likewise.
12188         (cortex_a53_f_load_many): Likewise.
12189         (cortex_a53_advsimd_alu): Likewise.
12190         (cortex_a53_advsimd_alu_q): Likewise.
12191         (cortex_a53_advsimd_mul): Likewise.
12192         (cortex_a53_advsimd_mul_q): Likewise.
12193         (fpmac bypass): Add new bypass for fpmac-fpmac case.
12194         Add missing fmul, r2f_cvt and fconst cases.
12195
12196 2017-06-14  Richard Biener  <rguenther@suse.de>
12197
12198         PR middle-end/81088
12199         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
12200         literal constants.
12201         (fold_binary_loc): When associating do not treat pre-existing
12202         TREE_OVERFLOW on literal constants as a reason to allow
12203         TREE_OVERFLOW on associated literal constants.
12204
12205 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12206
12207         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
12208         (MASK_FEATURES): New macro.
12209         * config/sparc/sparc.c (sparc_option_override): Remove the special
12210         handling of -mfpu and generalize it to all MASK_FEATURES switches.
12211
12212 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12213
12214         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
12215         a division of 0 if non-call exceptions are enabled.
12216
12217 2017-06-14  Andrew Pinski  <apinski@cavium.com>
12218             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
12219
12220         PR target/71663
12221         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
12222         Improve vector initialization code gen for only variable case.
12223
12224 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12225
12226         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
12227
12228 2017-06-14  Richard Biener  <rguenther@suse.de>
12229
12230         PR tree-optimization/81083
12231         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
12232         as values.
12233
12234 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12235
12236         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
12237         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
12238         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
12239         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
12240         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
12241         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
12242
12243 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12244
12245         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
12246         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
12247
12248 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12249
12250         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
12251
12252 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12253
12254         * config/rs6000/t-rtems: Don't handle SPE.
12255
12256 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12257
12258         * config/rs6000/t-linux: Don't handle SPE.
12259
12260 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12261
12262         * config/rs6000/eabispe.h: Delete file.
12263
12264 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12265
12266         * config/rs6000/t-spe: Delete file.
12267
12268 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12269
12270         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
12271         (rs6000_legitimate_offset_address_p): Return false for anything in
12272         V2SImode or V2SFmode.
12273
12274 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12275
12276         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
12277         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
12278         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
12279         and V4HImode.
12280         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
12281         (rs6000_legitimate_offset_address_p): Ditto.
12282         (rs6000_emit_move): Ditto.
12283         (rs6000_init_builtins): Remove V4HI_type_node.
12284
12285 2017-06-13  Martin Liska  <mliska@suse.cz>
12286
12287         PR sanitize/78204
12288         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
12289         (gate_asan): Likewise.
12290         * asan.h (asan_no_sanitize_address_p): Remove the function.
12291         (sanitize_flags_p): New function.
12292         * builtins.def: Fix coding style.
12293         * common.opt: Use renamed enum value.
12294         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
12295         * doc/extend.texi: Document no_sanitize attribute.
12296         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
12297         to SANITIZE_UNDEFINED_NONDEFAULT.
12298         * gcc.c (sanitize_spec_function): Use the renamed enum value.
12299         * gimple-fold.c (optimize_atomic_compare_exchange_p):
12300         Use sanitize_flags_p.
12301         * gimplify.c (gimplify_function_tree): Likewise.
12302         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
12303         * opts.c (parse_no_sanitize_attribute): New function.
12304         (common_handle_option): Use renamed enum value.
12305         * opts.h (parse_no_sanitize_attribute): Declare.
12306         * tree.c (sanitize_flags_p): New function.
12307         * tree.h: Declared here.
12308         * tsan.c: Use sanitize_flags_p.
12309         * ubsan.c (ubsan_expand_null_ifn): Likewise.
12310         (instrument_mem_ref): Likewise.
12311         (instrument_bool_enum_load): Likewise.
12312         (do_ubsan_in_current_function): Remove the function.
12313         (pass_ubsan::execute): Use sanitize_flags_p.
12314         * ubsan.h: Remove do_ubsan_in_current_function
12315         * tree-cfg.c (print_no_sanitize_attr_value): New function.
12316         (dump_function_to_file): Use it here.
12317
12318 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12319
12320         PR tree-optimization/80803
12321         PR tree-optimization/81063
12322         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
12323         (propagate_subaccesses_across_link): Enqueue subtree whenever
12324         necessary instead of relying on the caller.
12325
12326 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12327
12328         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
12329         that have a first_link.
12330         (sort_and_splice_var_accesses): Do not check first_link before
12331         enquing.
12332         (subtree_mark_written_and_enqueue): Likewise.
12333         (propagate_all_subaccesses): Likewise and do not stop at first
12334         parent with a first_link.
12335
12336 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12337
12338         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
12339         instead of f.
12340
12341 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12342
12343         * match.pd: New pattern.
12344
12345 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12346
12347         * tree-vrp.c (is_masked_range_test): New function.
12348         (register_edge_assert_for): Determine ranges for
12349         some bit tests.
12350
12351 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12352
12353         PR tree-optimization/67328
12354         * fold-const.c (maskable_range_p): New function.
12355         (build_range_check): Generate bittests if possible.
12356
12357 2017-06-13  Martin Liska  <mliska@suse.cz>
12358
12359         * gimple-pretty-print.c (dump_probability): Add new argument.
12360         (dump_edge_probability): Dump both probability and count.
12361         (dump_gimple_label): Likewise.
12362         (dump_gimple_bb_header): Likewise.
12363
12364 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
12365
12366         PR target/81072
12367         * config/avr/avr-devices.c: Fix indentation.
12368         * config/avr/gen-avr-mmcu-specs.c: Dito.
12369
12370 2017-06-13  Richard Biener  <rguenther@suse.de>
12371
12372         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
12373         instead get vector type from stmt_info.
12374         (vectorizable_reduction): Adjust.  Remove dead code.
12375
12376 2017-06-13  Richard Biener  <rguenther@suse.de>
12377
12378         PR middle-end/81065
12379         * fold-const.c (extract_muldiv_1): Remove bogus distribution
12380         case of C * (x * C2 + C3).
12381         (fold_addr_of_array_ref_difference): Properly fold index difference.
12382
12383 2017-06-12  David S. Miller  <davem@davemloft.net>
12384
12385         PR target/80968
12386         * config/sparc/sparc.md (return expander): Emit frame blockage if
12387         function uses alloca.
12388
12389 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
12390
12391         * combine.c (make_field_assignment): Check len rather than the mode
12392         precision when calling force_to_mode.
12393
12394 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
12395
12396         Support multilibs and devices that see flash in RAM address range.
12397
12398         PR target/81072
12399         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
12400         (avr_mcu_t) <flash_pm_offset>: New field.
12401         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
12402         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
12403         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
12404         (AVR_TINY_PM_OFFSET): Remove macro.
12405         * config/avr/avr.opt (-mshort-calls): New option.
12406         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
12407         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
12408         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
12409         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
12410         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
12411         instead of avr_arch->have_jmp_call.
12412         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
12413         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
12414         avr_arch->flash_pm_offset to define.
12415         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
12416         new field flash_pm_offset.  Add entry for avrxmega3.
12417         (avr_texinfo): Add entry for avrxmega3.
12418         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
12419         attiny212, attiny214,
12420         attiny412, attiny414, attiny416, attiny417,
12421         attiny814, attiny816, attiny817,
12422         attiny1614, attiny1616, attiny1617,
12423         attiny3214, attiny3216, attiny3217.
12424         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
12425         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
12426         (avr_print_operand_address) [AVR_TINY]: Same.
12427         (avr_asm_init_sections) <readonly_data_section>: Only patch
12428         callback if avr_arch->flash_pm_offset = 0.
12429         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
12430         for rodata if avr_arch->flash_pm_offset != 0.
12431         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
12432         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
12433         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
12434         (m_options): Append opt_rcall.
12435         (m_dirnames): Append dir_rcall.
12436         * config/avr/t-multilib: Regenerate.
12437
12438         * configure.ac [target=avr]: Check whether avrxmega3 default
12439         linker description file works as needed.
12440         * configure: Regenerate.
12441         * doc/avr-mmcu.texi: Regenerate.
12442         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
12443         <__AVR_ARCH__>: Document avrxmega3 and 103.
12444         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
12445         <__AVR_SHORT_CALLS__>: Document it.
12446         <__AVR_PM_BASE_ADDRESS__>: Document it.
12447         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
12448         (AVR Variable Attributes) <progmem>: Document this is
12449         not needed for avrxmega3.
12450         (AVR Named Address Spaces) <__flash>: Dito.
12451
12452 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
12453
12454         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
12455
12456 2017-06-12  Doug Rupp  <rupp@adacore.com>
12457
12458         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
12459         Append vxworks-stdint.h to the tm_file list.
12460         * config/vxworks-stdint.h: New file.
12461
12462 2017-06-12  Martin Liska  <mliska@suse.cz>
12463
12464         PR tree-optimization/81041
12465         * tree-profile.c (gimple_gen_ic_func_profiler):
12466         Create an extra BB in profile-generate
12467         (gimple_gen_time_profiler): Likewise.
12468
12469 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
12470
12471         PR tree-optimization/81003
12472         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
12473         (update_range_test): Use it instead of force_gimple_operand_gsi.
12474
12475 2017-06-12  Richard Biener  <rguenther@suse.de>
12476
12477         PR tree-optimization/81053
12478         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
12479         with backedge value not defined in loop.  Simplify def stmt
12480         compute.
12481
12482 2017-06-11  Tom de Vries  <tom@codesourcery.com>
12483
12484         PR target/79939
12485         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
12486         Return true.
12487         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
12488         nvptx_cannot_force_const_mem.
12489
12490 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12491
12492         * opts.c (finish_options): Move test for flag_split_stack after
12493         it has been initialized.
12494
12495 2017-06-11  Jason Merrill  <jason@redhat.com>
12496
12497         * tree.h (id_equal): New.
12498         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
12499         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
12500         instead of strcmp of IDENTIFIER_POINTER.
12501
12502 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12503
12504         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
12505         (mark_all_inlined_calls_cdtor): Fix formating.
12506         (inline_transform): Rescale profile before inlining.
12507
12508 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12509
12510         * cgraph.h (cgraph_edge::clone): Update prototype.
12511         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
12512         (cgraph_node::create_clone): Update.
12513         (cgraph_node::create_version_clone): Update.
12514         * tree-inline.c (copy_bb): Update.
12515         (expand_call_inline): Update.
12516
12517 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12518
12519         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
12520         factored out from ...
12521         (rs6000_emit_prologue): ... here.
12522
12523 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12524
12525         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
12526         factored out from ...
12527         (rs6000_emit_prologue): ... here.
12528
12529 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12530
12531         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
12532         edge counts.
12533         (handle_missing_profiles): Fix computation of tp_first_run.
12534         (counts_to_freqs): Do not touch freqs when count is 0.
12535
12536 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12537
12538         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
12539         profile.
12540
12541 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12542
12543         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
12544         attributes): Document signal effective target.
12545
12546 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12547
12548         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
12549         Document effective target stack_size.
12550
12551 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
12552
12553         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
12554         to the edit_context if they can be auto-applied.
12555
12556 2017-06-9  Ian Lance Taylor  <iant@golang.org>
12557
12558         * opts.c (finish_options): If -fsplit-stack, disable implicit
12559         -forder-blocks-and-partition.
12560         * doc/invoke.texi (Optimize Options): Document that when using
12561         -fsplit-stack -forder-blocks-and-partition is not implicitly
12562         enabled.
12563
12564 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12565
12566         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
12567         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
12568         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
12569         * builtins.def (abort, trap, unreachable): Declare cold.
12570         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
12571         * tree-core.h (ECF_COLD): New.
12572         * tree.c (set_call_expr_flags): Handle ECF_COLD.
12573         (build_common_builtin_nodes): Mark unreachable and abort as cold.
12574
12575 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12576
12577         * predict.c (unlikely_executed_stmt_p): Cleanup.
12578
12579 2017-06-09  Richard Biener  <rguenther@suse.de>
12580
12581         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
12582         model if the ref is always written to.
12583
12584 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12585
12586         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
12587
12588 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12589
12590         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
12591         than udiv.
12592
12593 2017-06-09  Tom de Vries  <tom@codesourcery.com>
12594
12595         PR target/80855
12596         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
12597         "target cannot support label values" when encountering LABEL_REF.
12598
12599 2017-06-09  Martin Liska  <mliska@suse.cz>
12600
12601         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
12602         (gimple_gen_ic_func_profiler): Emit direct comparison
12603         of __gcov_indirect_call_callee with NULL.
12604         (gimple_gen_time_profiler): Change probability from
12605         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
12606
12607 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12608
12609         * profile.c (edge_gcov_counts): Turn to pointer.
12610         (compute_branch_probabilities, compute_branch_probabilities): Update.
12611         (branch_prob): Do not clear edge_gcov_count.
12612         * profile.h (edge_gcov_counts): Turn to pointer.
12613         (edge_gcov_count): Update.
12614
12615 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12616
12617         * gimple.h (gimple_check_failed): Mark cold.
12618
12619 2017-06-09  Richard Biener  <rguenther@suse.de>
12620
12621         PR tree-optimization/66623
12622         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
12623         refactor check_reduction into two parts, properly computing
12624         whether we have to check reduction validity for outer loop
12625         vectorization.
12626
12627 2017-06-09  Richard Biener  <rguenther@suse.de>
12628
12629         PR tree-optimization/79483
12630         * graphite-scop-detection.c (order): New global.
12631         (get_order): Compute bb to order mapping that satisfies code
12632         generation constraints.
12633         (cmp_pbbs): New helper.
12634         (build_scops): Start domwalk at entry block, sort generated
12635         pbbs.
12636
12637 2017-06-09  Richard Biener  <rguenther@suse.de>
12638
12639         PR middle-end/81007
12640         * ipa-polymorphic-call.c
12641         (ipa_polymorphic_call_context::restrict_to_inner_class):
12642         Skip FIELD_DECLs with error_mark_node type.
12643         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
12644         last again.
12645
12646 2017-06-09  Martin Liska  <mliska@suse.cz>
12647
12648         * predict.c (struct branch_predictor): New struct.
12649         (test_prediction_value_range): New test.
12650         (predict_c_tests): New function.
12651         * selftest-run-tests.c (selftest::run_tests): Run the function.
12652         * selftest.h: Declare new tests.
12653
12654 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
12655
12656         PR target/80966
12657         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
12658         gen_add3_insn did not fail.
12659         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
12660         r0, construct that number in a temporary reg and add that reg to r0.
12661         If asked to put the result in r0 as well, fail.
12662
12663 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
12664
12665         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12666         for early expansion of vec_eqv.
12667
12668 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
12669
12670         PR middle-end/81005
12671         * ubsan.c (instrument_null): Avoid pointless code temporary.
12672         (pass_ubsan::execute): Instrument aggregate arguments of calls.
12673
12674 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
12675
12676         PR target/81015
12677         Revert:
12678         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
12679
12680         PR target/59874
12681         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
12682         (*clzhi2): Ditto.
12683
12684 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12685
12686         * predict.c (unlikely_executed_edge_p): Move ahead.
12687         (probably_never_executed_edge_p): Use it.
12688
12689 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12690
12691         PR middle-end/79988
12692         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
12693         gimple_call_builtin_p call.
12694
12695 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12696
12697         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
12698         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
12699         rtl_check_failed_type2, rtl_check_failed_code1,
12700         rtl_check_failed_code2, rtl_check_failed_code_mode,
12701         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
12702         rtvec_check_failed_bounds, rtl_check_failed_flag,
12703         _fatal_insn_not_found, _fatal_insn): Likewise.
12704         * tree.h (tree_contains_struct_check_failed,
12705         tree_check_failed, tree_not_check_failed,
12706         tree_class_check_failed, tree_range_check_failed,
12707         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
12708         tree_vec_elt_check_failed, phi_node_elt_check_failed,
12709         tree_operand_check_failed, omp_clause_check_failed,
12710         omp_clause_operand_check_failed, omp_clause_range_check_failed):
12711         Likewise.
12712
12713 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12714
12715         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
12716         flag_branch_probabilities.
12717         * ipa-inline.c (edge_badness): Likewise.
12718         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
12719         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
12720         * predict.c (maybe_hot_frequency_p): Likewise.
12721         (probably_never_executed): Likewise.
12722         * sched-ebb.c (schedule_ebbs): Likewise.
12723         * sched-rgn.c (find_single_block_region): Likewise.
12724         * tracer.c (tail_duplicate): Likewise.
12725
12726 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12727
12728         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
12729         longer requires x_flag_profile_use.
12730
12731 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12732
12733         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
12734         instead of flag_reorder_blocks_and_partition.
12735         * dbxout.c (dbxout_function_end): Likewise.
12736         * dwarf2out.c (gen_subprogram_die): Likewise.
12737         * haifa-sched.c (sched_create_recovery_edges): Likewise.
12738         * hw-doloop.c (reorg_loops): Likewise.
12739         * varasm.c (assemble_start_function,
12740         assemble_end_function): Likewise.
12741         (decide_function_section): Do not check for
12742         flag_reorder_blocks_and_partition.
12743
12744 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12745
12746         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
12747         New function.
12748         (chkp_get_hard_register_fake_addr_expr): Ditto.
12749         (chkp_build_addr_expr): Add check for hard reg case.
12750         (chkp_parse_array_and_component_ref): Ditto.
12751         (chkp_find_bounds_1): Ditto.
12752         (chkp_process_stmt): Don't generate bounds store for
12753         hard reg case.
12754
12755 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12756
12757         * predict.c (maybe_hot_bb_p): Do not check profile status.
12758         (maybe_hot_edge_p): Likewise.
12759         (probably_never_executed): Check for zero counts even if profile
12760         is not read.
12761         (unlikely_executed_edge_p): New function.
12762         (unlikely_executed_stmt_p): New function.
12763         (unlikely_executed_bb_p): New function.
12764         (set_even_probabilities): Use unlikely predicates.
12765         (combine_predictions_for_bb): Likewise.
12766         (predict_paths_for_bb): Likewise.
12767         (predict_paths_leading_to_edge): Likewise.
12768         (determine_unlikely_bbs): New function.
12769         (estimate_bb_frequencies): Use it.
12770         (compute_function_frequency): Use zero counts even if profile is
12771         not read.
12772         * profile-count.h: Fix typo.
12773
12774 2017-08-08  Julia Koval  <julia.koval@intel.com>
12775
12776         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
12777         _mm512_mask_cvtsepi16_storeu_epi8,
12778         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
12779         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
12780         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
12781         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
12782         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
12783         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
12784         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
12785         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
12786         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
12787         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
12788         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
12789         __builtin_ia32_pmovuswb256mem_mask,
12790         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
12791         __builtin_ia32_pmovwb512mem_mask): New builtins.
12792
12793 2017-08-08  Julia Koval  <julia.koval@intel.com>
12794
12795         PR target/73350,80862
12796         * config/i386/subst.md (round): Fix round pattern.
12797         * config/i386/i386.c (ix86_erase_embedded_rounding):
12798         Fix erasing rounding for the fixed pattern.
12799
12800 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12801
12802         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
12803
12804 2017-06-08  Martin Liska  <mliska@suse.cz>
12805
12806         PR gcov-profile/80911
12807         * gcov.c (block_info::block_info): New constructor.
12808
12809 2017-06-07  Carl Love  <cel@us.ibm.com>
12810
12811         * config/rs6000/rs6000-c: The return type of the following
12812         built-in functions was implemented as int not long long.  Fix sign
12813         of return value for the unsigned version of vec_mulo and vec_mule.
12814         vector unsigned long long vec_bperm (vector unsigned long long,
12815                                              vector unsigned char)
12816         vector signed long long vec_mule (vector signed int,
12817                                           vector signed int)
12818         vector unsigned long long vec_mule (vector unsigned int,
12819                                             vector unsigned int)
12820         vector signed long long vec_mulo (vector signed int,
12821                                           vector signed int)
12822         vector unsigned long long vec_mulo (vector unsigned int,
12823                                             vector unsigned int)
12824         * doc/extend.texi: Fix the documentation for the built-in
12825         functions.
12826
12827 2017-06-07  Carl Love  <cel@us.ibm.com>
12828
12829         PR target/80982
12830         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
12831         for BE.
12832
12833 2017-06-07  Carl Love  <cel@us.ibm.com>
12834
12835         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
12836         support, Generate       doublehv for signed int/float for BE case only.
12837
12838 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
12839
12840         * doc/invoke.texi (mcx16): Rewrite.
12841
12842 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12843
12844         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
12845         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
12846         *mov<mode>_softfloat, and an anonymous splitter): Use
12847         nonimmediate_operand instead of rs6000_nonimmediate_operand.
12848
12849 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12850
12851         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
12852         SPEFSCR registers.
12853         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12854         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
12855         (rs6000_debug_reg_global): Adjust.
12856         (rs6000_init_hard_regno_mode_ok): Adjust.
12857         (rs6000_dbx_register_number): Adjust.
12858         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
12859         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12860         Remove SPE_ACC and SPEFSCR.
12861         (REG_ALLOC_ORDER): Ditto.
12862         (FRAME_POINTER_REGNUM): Change to 111.
12863         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
12864         (REG_CLASS_NAMES): Ditto.
12865         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
12866         (REGISTER_NAMES): Ditto.
12867         (ADDITIONAL_REG_NAMES): Ditto.
12868         (rs6000_reg_names): Ditto.
12869         * config/rs6000/rs6000.md: Renumber some register number
12870         define_constants.
12871
12872 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12873
12874         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
12875         registers.
12876         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12877         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
12878         to 117.
12879         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
12880         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12881         Delete the SPE high registers.
12882         (REG_ALLOC_ORDER): Ditto.
12883         (enum reg_class): Remove SPE_HIGH_REGS.
12884         (REG_CLASS_NAMES): Ditto.
12885         (REG_CLASS_CONTENTS): Delete the SPE high registers.
12886         (REGISTER_NAMES): Ditto.
12887         (rs6000_reg_names): Ditto.
12888         * doc/tm.texi.in: Remove SPE as example.
12889         * doc/tm.texi: Regenerate.
12890
12891 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12892
12893         * config/rs6000/8540.md (ppc8540_brinc): Delete.
12894         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
12895         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
12896         * config/rs6000/rs6000.md (type): Remove "brinc".
12897
12898 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12899
12900         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
12901         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
12902         * config/rs6000/linuxspe.h: Delete file.
12903         * config/rs6000/rs6000.md: Don't include spe.md.
12904         * config/rs6000/spe.h: Delete file.
12905         * config/rs6000/spe.md: Delete file.
12906         * config/rs6000/t-rs6000: Remove spe.md.
12907
12908 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12909
12910         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
12911         (reg_or_none500mem_operand): Delete.
12912         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
12913         instead of reg_or_none500mem_operand.
12914
12915 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12916
12917         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
12918         handling of SPE flags.
12919         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
12920
12921 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12922
12923         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
12924         SPE ABI handling.
12925         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
12926         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
12927         paired_divv2sf3): Similar.
12928         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
12929         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
12930         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
12931         RS6000_BUILTIN_S.
12932         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
12933         Rename the paired_* instruction patterns.
12934         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
12935         define __SPE__.
12936         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
12937         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
12938         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
12939         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
12940         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
12941         PAIRED_VECTOR_MODE.
12942         (struct machine_function): Delete field spe_insn_chain_scanned_p.
12943         (spe_func_has_64bit_regs_p): Delete.
12944         (spe_expand_predicate_builtin): Delete.
12945         (spe_expand_evsel_builtin): Delete.
12946         (TARGET_DWARF_REGISTER_SPAN): Do not define.
12947         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
12948         (invalid_e500_subreg): Delete.
12949         (rs6000_legitimize_address): Always force_reg op2 as well, for
12950         paired single memory accesses.
12951         (rs6000_member_type_forces_blk): Delete.
12952         (rs6000_spe_function_arg): Delete.
12953         (rs6000_expand_unop_builtin): Delete SPE handling.
12954         (rs6000_expand_binop_builtin): Ditto.
12955         (spe_expand_stv_builtin): Delete.
12956         (bdesc_2arg_spe): Delete.
12957         (spe_expand_builtin): Delete.
12958         (spe_expand_predicate_builtin): Delete.
12959         (spe_expand_evsel_builtin): Delete.
12960         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
12961         (spe_init_builtins): Delete.
12962         (spe_func_has_64bit_regs_p): Delete.
12963         (savres_routine_name): Delete "info" parameter.  Adjust callers.
12964         (rs6000_emit_stack_reset): Ditto.
12965         (rs6000_dwarf_register_span): Delete.
12966         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
12967         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
12968         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
12969         Delete.
12970         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
12971         Delete.
12972         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
12973         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
12974         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
12975         mulv2sf3, divv2sf3): Delete expanders.
12976
12977 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12978
12979         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
12980
12981 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12982
12983         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
12984         * config/rs6000/rs6000.c: Ditto.
12985
12986 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12987
12988         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
12989         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
12990         comparison_operator.
12991
12992 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12993
12994         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
12995         * config/rs6000/rs6000.opt: Ditto.
12996         * config/rs6000/t-rtems: Ditto.
12997
12998 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12999
13000         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
13001         TARGET_E500_SINGLE by 0, simplify.
13002         * config/rs6000/rs6000.c: Ditto.
13003         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
13004         (spe_build_register_parallel): Delete.
13005         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
13006         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
13007         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
13008         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
13009         (E500_CONVERT): Delete.
13010         * config/rs6000/spe.md: Remove many patterns and all define_constants.
13011
13012 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13013
13014         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
13015         * config/rs6000/dfp.md: Ditto.
13016         (negdd2, *negdd2_fpr): Merge.
13017         (absdd2, *absdd2_fpr): Merge.
13018         (negtd2, *negtd2_fpr): Merge.
13019         (abstd2, *abstd2_fpr): Merge.
13020         * config/rs6000/e500.h: Delete file.
13021         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
13022         TARGET_FPRS by 1 and simplify.
13023         * config/rs6000/rs6000-c.c: Ditto.
13024         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
13025         TARGET_DF_SPE by 0.
13026         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
13027         TARGET_DF_SPE.
13028         * config/rs6000/rs6000.md: Ditto.
13029         (floatdidf2, *floatdidf2_fpr): Merge.
13030         (move_from_CR_gt_bit): Delete.
13031         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
13032         (E500_CR_IOR_COMPARE): Delete.
13033         (All patterns that require !TARGET_FPRS): Delete.
13034         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
13035
13036 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13037
13038         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
13039
13040 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13041
13042         * graphds.c (add_edge): Intitialize edge's attached data.
13043         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
13044         pointer parameter.  Call pointed function on each edge during
13045         graph traversing.  Skip traversing the edge when the function
13046         returns true.
13047         (graphds_dfs, graphds_scc): Ditto.
13048         (for_each_edge): New parameter.  Pass the new parameter to callback
13049         function.
13050         * graphds.h (skip_edge_callback): New function pointer type.
13051         (graphds_dfs, graphds_scc): New function pointer parameter.
13052         (graphds_edge_callback, for_each_edge): New parameter.
13053
13054 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13055
13056         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
13057         out code checking if runtime alias check is possible to below ...
13058         Call the new function.
13059         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
13060         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
13061
13062 2017-06-07  Marek Polacek  <polacek@redhat.com>
13063
13064         PR sanitizer/80932
13065         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
13066         TYPE_OVERFLOW_WRAPS check.
13067
13068 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13069
13070         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
13071         if versioning is required.
13072         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
13073         peeling with the check for versioning.
13074
13075 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13076
13077         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
13078         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
13079         Set true to new parameter if new ssa variable is defined.
13080         (vect_gen_vector_loop_niters): Refactor.  Set range information
13081         for the new vector loop bound variable.
13082         (vect_do_peeling): Ditto.
13083
13084 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13085
13086         * tree-affine.c (ssa.h): Include header file.
13087         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
13088         has wrapping overflow behavior.
13089
13090 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13091
13092         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
13093
13094 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13095
13096         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
13097         (tree_to_aff_combination): ... here.
13098
13099 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13100
13101         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
13102         reg_pressure model function.
13103         (ivopts_global_cost_for_size): Delete.
13104         (determine_set_costs, iv_ca_recount_cost): Call new model function
13105         ivopts_estimate_reg_pressure.
13106
13107 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13108
13109         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
13110         expensive than udiv.  Remove floating point cases from mod.
13111
13112 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13113
13114         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
13115         Increase idiv cost.
13116
13117 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13118
13119         * config/aarch64/aarch64.md
13120         (copysignsf3): Fix mask generation.
13121
13122 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
13123
13124         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
13125         TDI_gimple.
13126         (class dump_manager): Add register_dumps method.
13127         * dumpfile.c: Include langhooks.h.
13128         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
13129         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
13130         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
13131         (dump_manager::dump_register): Start with 512 entries instead of 32.
13132         (dump_manager::register_dumps): New method.
13133         * toplev.c (general_init): Instead of invoking register_dumps
13134         langhook, invoke register_dumps method on the dump manager.
13135         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
13136         TDI_generic.
13137
13138 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
13139
13140         * doc/md.texi: Clarify the restrictions on a define_insn condition.
13141         Say that # requires an associated define_split to exist, and that
13142         the define_split must be suitable for use after register allocation.
13143
13144 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13145
13146         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
13147         (compute_outgoing_frequencies): Also initialize zero counts.
13148         (find_many_sub_basic_blocks): Do not produce uninitialized profile
13149         around loops; preserve more of profile when nothing changes.
13150
13151 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
13152
13153         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
13154         here.
13155         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
13156         * config/arm/arm-cpu-cdata.h: Regenerate.
13157         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
13158         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
13159         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
13160         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
13161         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
13162         support.
13163         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
13164         support.
13165         * config/arm/t-rmprofile: Likewise.
13166         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
13167
13168 2017-06-06  David S. Miller  <davem@davemloft.net>
13169
13170         PR target/80968
13171         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
13172         blockage if function uses alloca.
13173
13174 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13175
13176         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
13177         New "uid" fields to hold pretty-print IDs of group and ref.
13178         Memory references are now identified as <group_id>:<ref_id>
13179         instead of using [random] addresses.
13180         (dump_mem_details): Simplify, no functional change.
13181         (dump_mem_ref): Simplify and make output more concise.
13182         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
13183         (find_or_create_group): Initialize group uid.
13184         (record_ref): Initialize ref uid.  Improve debug output.
13185         (prune_group_by_reuse, should_issue_prefetch_p,)
13186         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
13187         (mark_nontemporal_store, determine_loop_nest_reuse):
13188         Improve debug output.
13189
13190 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13191
13192         * dbgcnt.def (prefetch): New debug counter.
13193         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
13194         (schedule_prefetches): Stop issueing prefetches if debug counter
13195         tripped.
13196
13197 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13198
13199         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
13200         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
13201
13202 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13203
13204         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
13205         Use aarch64_reg_or_zero predicate for operand 4.
13206         (aarch64_compare_and_swap<mode> define_insn_and_split):
13207         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
13208         (aarch64_store_exclusive<mode>): Likewise for operand 2.
13209
13210 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13211
13212         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
13213         (arm_compute_save_core_reg_mask): This.
13214         (thumb1_compute_save_reg_mask): Rename into ...
13215         (thumb1_compute_save_core_reg_mask): This.
13216         (arm_compute_save_reg0_reg12_mask): Adapt comment.
13217         (arm_compute_frame_layout): Likewise.
13218
13219 2017-06-06  Richard Biener  <rguenther@suse.de>
13220
13221         PR tree-optimization/80974
13222         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
13223         keep or clear leaders SSA info.
13224
13225 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13226
13227         * config/nvptx/nvptx.c (split_mode_p): New function.
13228         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
13229
13230 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13231
13232         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
13233
13234 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13235
13236         PR bootstrap/80978
13237         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
13238         profile.
13239
13240 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13241
13242         * shrink-wrap.c (handle_simple_exit): Update profile.
13243         (try_shrink_wrapping): Upate profile.
13244
13245 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13246
13247         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
13248         (tree_guess_outgoing_edge_probabilities): New.
13249         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
13250         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
13251
13252 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13253
13254         * ipa-split.c (split_function): Initialize return bb profile.
13255
13256 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13257
13258         * profile.c (compute_branch_probabilities): Also initialize
13259         EXIT_BLOCK profile.
13260
13261 2017-06-06  Richard Biener  <rguenther@suse.de>
13262
13263         PR tree-optimization/80928
13264         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
13265         (vect_analyze_loop_operations): Properly guard analysis for
13266         pure SLP case.
13267         (vect_transform_loop): Likewise.
13268         (vect_analyze_loop_2): Also reset SLP type on PHIs.
13269         (vect_model_induction_cost): Do not cost for pure SLP.
13270         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
13271         of induction in inner loop vectorization.
13272         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
13273         (vect_get_and_check_slp_defs): Handle vect_induction_def.
13274         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
13275         recursion.
13276         (vect_analyze_slp_cost_1): Cost induction.
13277         (vect_detect_hybrid_slp_stmts): Handle PHIs.
13278         (vect_get_slp_vect_defs): Likewise.
13279         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
13280         (vect_transform_stmt): Handle SLP reductions.
13281         * tree-vectorizer.h (vectorizable_induction): Adjust.
13282
13283 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13284
13285         * config/rs6000/rs6000.c (make_resolver_func): Update
13286         init_lowered_empty_function call.
13287
13288 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13289
13290         * doc/invoke.texi: Document the -fprofile-abs-path option.
13291         * common.opt (fprofile-abs-path): New option.
13292         * gcov-io.h (gcov_write_filename): Declare.
13293         * gcov-io.c (gcov_write_filename): New function.
13294         * coverage.c (coverage_begin_function): Use gcov_write_filename.
13295         * profile.c (output_location): Likewise.
13296
13297 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13298
13299         * shring-wrap.c: Revert accidental commit.
13300
13301 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
13302
13303         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
13304
13305 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13306
13307         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
13308         new edge.
13309         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
13310         profile in callgraph edge.
13311         * profile-count.h (apply_probability): If THIS is 0, then result is 0
13312         (apply_scale): Likewise.
13313         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
13314         Also scale profile when inlining function with zero profile.
13315         (initialize_cfun): Update exit block profile even when it is zero.
13316         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
13317         when profile is read.
13318
13319 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13320
13321         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
13322         (CLONE_*): New constants to define the processors we can generate
13323         code for with the target_clone attribute.
13324         (rs6000_clone_map): New array to identify which clone processors
13325         the current program is running on.
13326         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
13327         target_clone attribute.
13328         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
13329         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
13330         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
13331         (cpu_expand_builtin): Add support for target_clone attribute.
13332         (rs6000_valid_attribute_p): Allow "default" attribute.
13333         (get_decl_name): New debug function to simplify printing the
13334         current function name in debugging statements.
13335         (rs6000_clone_priority): New functions to support the target_clone
13336         attribute, and be able to generate code to switch between ISA 2.05
13337         through ISA 3.0 (power6 through power9).
13338         (rs6000_compare_version_priority): Likewise.
13339         (rs6000_get_function_versions_dispatcher): Likewise.
13340         (make_resolver_func): Likewise.
13341         (add_condition_to_bb): Likewise.
13342         (dispatch_function_versions): Likewise.
13343         (rs6000_generate_version_dispatcher_body): Likewise.
13344         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
13345         (fusion_gpr_load_p): Fix a spacing issue.
13346         * doc/extend.texi (Common Function Attributes): Document that the
13347         PowerPC supports the target_clone attribute.
13348
13349 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13350
13351         * config/arm/arm.h: explain F symbol found in description of ARM
13352         register allocation in its legend.
13353
13354 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13355
13356         * config/mips/frame-header-opt.c: Include profile-count.h.
13357         * config/riscv/riscv.c: Include profile-count.h
13358
13359 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13360
13361         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
13362         update profile.
13363         (sm_set_flag_if_changed): Add bbs field.
13364         (execute_sm_if_changed_flag_set): Pass BBS.
13365         (execute_sm): Update.
13366
13367 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13368
13369         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
13370         New pattern.
13371
13372 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13373
13374         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
13375         (peephole2): New peephole2 to emit the above.
13376         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
13377
13378 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13379
13380         * config/aarch64/aarch64.c (define_peephole2 above
13381         *sub_<shift>_<mode>): New peephole.
13382
13383 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13384
13385         * config/i386/i386.c (make_resolver_func): Update.
13386         * Makefile.in: Add profile-count.h and profile-count.o
13387         * auto-profile.c (afdo_indirect_call): Update to new API.
13388         (afdo_set_bb_count): Update.
13389         (afdo_propagate_edge): Update.
13390         (afdo_propagate_circuit): Update.
13391         (afdo_calculate_branch_prob): Update.
13392         (afdo_annotate_cfg): Update.
13393         * basic-block.h: Include profile-count.h
13394         (struct edge_def): Turn count to profile_count.
13395         (struct basic_block_def): Likewie.
13396         (REG_BR_PROB_BASE): Move to profile-count.h
13397         (RDIV): Move to profile-count.h
13398         * bb-reorder.c (max_entry_count): Turn to profile_count.
13399         (find_traces): Update.
13400         (rotate_loop):Update.
13401         (connect_traces):Update.
13402         (sanitize_hot_paths):Update.
13403         * bt-load.c (migrate_btr_defs): Update.
13404         * cfg.c (RDIV): Remove.
13405         (init_flow): Use alloc_block.
13406         (alloc_block): Uninitialize count.
13407         (unchecked_make_edge): Uninitialize count.
13408         (check_bb_profile): Update.
13409         (dump_edge_info): Update.
13410         (dump_bb_info): Update.
13411         (update_bb_profile_for_threading): Update.
13412         (scale_bbs_frequencies_int): Update.
13413         (scale_bbs_frequencies_gcov_type): Update.
13414         (scale_bbs_frequencies_profile_count): New.
13415         * cfg.h (update_bb_profile_for_threading): Update.
13416         (scale_bbs_frequencies_profile_count): Declare.
13417         * cfgbuild.c (compute_outgoing_frequencies): Update.
13418         (find_many_sub_basic_blocks): Update.
13419         * cfgcleanup.c (try_forward_edges): Update.
13420         (try_crossjump_to_edge): Update.
13421         * cfgexpand.c (expand_gimple_tailcall): Update.
13422         (construct_exit_block): Update.
13423         * cfghooks.c (verify_flow_info): Update.
13424         (dump_bb_for_graph): Update.
13425         (split_edge): Update.
13426         (make_forwarder_block): Update.
13427         (duplicate_block): Update.
13428         (account_profile_record): Update.
13429         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
13430         (get_estimated_loop_iterations): Update.
13431         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
13432         (single_likely_exit): Update.
13433         * cfgloopmanip.c (scale_loop_profile): Update.
13434         (loopify): Update.
13435         (set_zero_probability): Update.
13436         (lv_adjust_loop_entry_edge): Update.
13437         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
13438         (purge_dead_edges): Update.
13439         (rtl_account_profile_record): Update.
13440         * cgraph.c (cgraph_node::create): Uninitialize count.
13441         (symbol_table::create_edge): Uninitialize count.
13442         (cgraph_update_edges_for_call_stmt_node): Update.
13443         (cgraph_edge::dump_edge_flags): Update.
13444         (cgraph_node::dump): Update.
13445         (cgraph_edge::maybe_hot_p): Update.
13446         * cgraph.h: Include profile-count.h
13447         (create_clone), create_edge, create_indirect_edge): Update.
13448         (cgraph_node): Turn count to profile_count.
13449         (cgraph_edge0: Likewise.
13450         (make_speculative, clone): Update.
13451         (create_edge): Update.
13452         (init_lowered_empty_function): Update.
13453         * cgraphclones.c (cgraph_edge::clone): Update.
13454         (duplicate_thunk_for_node): Update.
13455         (cgraph_node::create_clone): Update.
13456         * cgraphunit.c (cgraph_node::analyze): Update.
13457         (cgraph_node::expand_thunk): Update.
13458         * final.c (dump_basic_block_info): Update.
13459         * gimple-streamer-in.c (input_bb): Update.
13460         * gimple-streamer-out.c (output_bb): Update.
13461         * graphite.c (print_global_statistics): Update.
13462         (print_graphite_scop_statistics): Update.
13463         * hsa-brig.c: Include basic-block.h.
13464         * hsa-dump.c: Include basic-block.h.
13465         * hsa-gen.c (T sum_slice): Update.
13466         (convert_switch_statements):Update.
13467         * hsa-regalloc.c: Include basic-block.h.
13468         * ipa-chkp.c (chkp_produce_thunks): Update.
13469         * ipa-cp.c (struct caller_statistics): Update.
13470         (init_caller_stats): Update.
13471         (gather_caller_stats): Update.
13472         (ipcp_cloning_candidate_p): Update.
13473         (good_cloning_opportunity_p): Update.
13474         (get_info_about_necessary_edges): Update.
13475         (dump_profile_updates): Update.
13476         (update_profiling_info): Update.
13477         (update_specialized_profile): Update.
13478         (perhaps_add_new_callers): Update.
13479         (decide_about_value): Update.
13480         (ipa_cp_c_finalize): Update.
13481         * ipa-devirt.c (struct odr_type_warn_count): Update.
13482         (struct decl_warn_count): Update.
13483         (struct final_warning_record): Update.
13484         (possible_polymorphic_call_targets): Update.
13485         (ipa_devirt): Update.
13486         * ipa-fnsummary.c (redirect_to_unreachable): Update.
13487         * ipa-icf.c (sem_function::merge): Update.
13488         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
13489         * ipa-inline.c (compute_uninlined_call_time): Update.
13490         (compute_inlined_call_time): Update.
13491         (want_inline_small_function_p): Update.
13492         (want_inline_self_recursive_call_p): Update.
13493         (edge_badness): Update.
13494         (lookup_recursive_calls): Update.
13495         (recursive_inlining): Update.
13496         (inline_small_functions): Update.
13497         (dump_overall_stats): Update.
13498         (dump_inline_stats): Update.
13499         * ipa-profile.c (ipa_profile_generate_summary): Update.
13500         (ipa_propagate_frequency): Update.
13501         (ipa_profile): Update.
13502         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13503         * ipa-utils.c (ipa_merge_profiles): Update.
13504         * loop-doloop.c (doloop_modify): Update.
13505         * loop-unroll.c (report_unroll): Update.
13506         (unroll_loop_runtime_iterations): Update.
13507         * lto-cgraph.c (lto_output_edge): Update.
13508         (lto_output_node): Update.
13509         (input_node): Update.
13510         (input_edge): Update.
13511         (merge_profile_summaries): Update.
13512         * lto-streamer-in.c (input_cfg): Update.
13513         * lto-streamer-out.c (output_cfg): Update.
13514         * mcf.c (create_fixup_graph): Update.
13515         (adjust_cfg_counts): Update.
13516         (sum_edge_counts): Update.
13517         * modulo-sched.c (sms_schedule): Update.
13518         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
13519         * predict.c (maybe_hot_count_p): Update.
13520         (probably_never_executed): Update.
13521         (dump_prediction): Update.
13522         (combine_predictions_for_bb): Update.
13523         (propagate_freq): Update.
13524         (handle_missing_profiles): Update.
13525         (counts_to_freqs): Update.
13526         (rebuild_frequencies): Update.
13527         (force_edge_cold): Update.
13528         * predict.h: Include profile-count.h
13529         (maybe_hot_count_p, counts_to_freqs): UPdate.
13530         * print-rtl-function.c: Do not include cfg.h
13531         * print-rtl.c: Include basic-block.h
13532         * profile-count.c: New file.
13533         * profile-count.h: New file.
13534         * profile.c (is_edge_inconsistent): Update.
13535         (correct_negative_edge_counts): Update.
13536         (is_inconsistent): Update.
13537         (set_bb_counts): Update.
13538         (read_profile_edge_counts): Update.
13539         (compute_frequency_overlap): Update.
13540         (compute_branch_probabilities): Update; Initialize and deinitialize
13541         gcov_count tables.
13542         (branch_prob): Update.
13543         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
13544         (edge_gcov_count): New.
13545         (bb_gcov_count): New.
13546         * shrink-wrap.c (try_shrink_wrapping): Update.
13547         * tracer.c (better_p): Update.
13548         * trans-mem.c (expand_transaction): Update.
13549         (ipa_tm_insert_irr_call): Update.
13550         (ipa_tm_insert_gettmclone_call): Update.
13551         * tree-call-cdce.c: Update.
13552         * tree-cfg.c (gimple_duplicate_sese_region): Update.
13553         (gimple_duplicate_sese_tail): Update.
13554         (gimple_account_profile_record): Update.
13555         (execute_fixup_cfg): Update.
13556         * tree-inline.c (copy_bb): Update.
13557         (copy_edges_for_bb): Update.
13558         (initialize_cfun): Update.
13559         (freqs_to_counts): Update.
13560         (copy_cfg_body): Update.
13561         (expand_call_inline): Update.
13562         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
13563         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
13564         (try_unroll_loop_completely): Update.
13565         (try_peel_loop): Update.
13566         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
13567         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
13568         * tree-ssa-loop-split.c (connect_loops): Update.
13569         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
13570         * tree-ssa-reassoc.c (branch_fixup): Update.
13571         * tree-ssa-tail-merge.c (replace_block_by): Update.
13572         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
13573         (compute_path_counts): Update.
13574         (update_profile): Update.
13575         (recompute_probabilities): Update.
13576         (update_joiner_offpath_counts): Update.
13577         (estimated_freqs_path): Update.
13578         (freqs_to_counts_path): Update.
13579         (clear_counts_path): Update.
13580         (ssa_fix_duplicate_block_edges): Update.
13581         (duplicate_thread_path): Update.
13582         * tree-switch-conversion.c (case_bit_test_cmp): Update.
13583         (struct switch_conv_info): Update.
13584         * tree-tailcall.c (decrease_profile): Update.
13585         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
13586         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
13587         * value-prof.c (check_counter): Update.
13588         (gimple_divmod_fixed_value): Update.
13589         (gimple_mod_pow2): Update.
13590         (gimple_mod_subtract): Update.
13591         (gimple_ic_transform): Update.
13592         (gimple_stringop_fixed_value): Update.
13593         * value-prof.h (gimple_ic): Update.
13594
13595 2017-06-02  Carl Love  <cel@us.ibm.com>
13596
13597         * config/rs6000/rs6000-c: Add support for built-in functions
13598         vector double vec_doublee (vector signed int);
13599         vector double vec_doublee (vector unsigned int);
13600         vector double vec_doublee (vector float);
13601         vector double vec_doubleh (vector signed int);
13602         vector double vec_doubleh (vector unsigned int);
13603         vector double vec_doubleh (vector float);
13604         vector double vec_doublel (vector signed int);
13605         vector double vec_doublel (vector unsigned int);
13606         vector double vec_doublel (vector float);
13607         vector double vec_doubleo (vector signed int);
13608         vector double vec_doubleo (vector unsigned int);
13609         vector double vec_doubleo (vector float);.
13610         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
13611         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
13612         UNS_DOUBLEL.
13613         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
13614         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
13615         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
13616         VS_sxwsp.
13617         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
13618         vec_doublel, vec_doubleh.
13619         * doc/extend.texi: Update the built-in documentation file for the
13620         new built-in functions.
13621
13622 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
13623
13624         PR jit/80954
13625         * ipa-inline-analysis.c (free_growth_caches): Set
13626         edge_removal_hook_holder to NULL after removing it.
13627
13628 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
13629
13630         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
13631         comparision with zero.
13632
13633 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13634         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13635         for early expansion of vec_min and vec_max builtins.
13636         (builtin_function_type): Add min/max unsigned variants to those
13637         identified as having unsigned arguments.
13638
13639 2017-06-02  Olivier Hainque  <hainque@adacore.com>
13640
13641         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
13642
13643 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13644
13645         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
13646         Use VALL_F16 iterator rather than VALL.
13647
13648 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13649
13650         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
13651         Emit CBNZ inside loop when doing a strong exchange and comparing
13652         against zero.  Generate the CC flags after the loop.
13653
13654 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
13655
13656         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
13657         (dl_section_ref): New.
13658         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
13659         On AIX, append an expression to subtract the size of the
13660         section length to dl_section_ref.
13661
13662 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13663
13664         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13665         for early expansion of vector absolute builtins.
13666
13667 2017-06-02  Richard Biener  <rguenther@suse.de>
13668
13669         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
13670         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
13671
13672 2017-06-02  Richard Biener  <rguenther@suse.de>
13673
13674         PR tree-optimization/80948
13675         * tree-tailcall.c (find_tail_calls): Track stmts to move in
13676         stmt order as well.
13677
13678 2017-06-02  Richard Biener  <rguenther@suse.de>
13679
13680         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
13681         PHIs are ok.
13682         * tree-vect-stmts.c (process_use): Do not mark backedge defs
13683         for inductions as relevant.
13684
13685 2017-06-02  Richard Biener  <rguenther@suse.de>
13686
13687         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
13688         (vectorizable_induction): ... this.  Remove dead code.
13689
13690 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
13691
13692         * builtins. (expand_builtin_alloca): Remove second parameter and
13693         infer its value from the first parameter instead.
13694         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
13695
13696 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
13697
13698         PR rtl-optimization/80903
13699         * loop-doloop.c (add_test): Unshare sequence.
13700
13701 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13702
13703         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
13704
13705 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13706
13707         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
13708         static.
13709         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
13710         xlogue_layout::get_instance, logue_layout::xlogue_layout,
13711         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
13712         (xlogue_layout::get_stub_rtx): Make static.
13713         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
13714         (xlogue_layout::compute_stub_managed_regs): Rename to...
13715         (xlogue_layout::count_stub_managed_regs): ...this.
13716         (xlogue_layout::is_stub_managed_reg): New function.
13717         (xlogue_layout::m_stub_names): Rename to...
13718         (xlogue_layout::s_stub_names): ...this, make static.
13719         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
13720         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
13721         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
13722         xlogue_layout::s_stub_names): Instantiate statics.
13723         (stub_managed_regs): Remove.
13724         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
13725         (disable_call_ms2sysv_xlogues): Rename to...
13726         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
13727         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
13728         warning logic.
13729         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
13730         change after reload_completed.
13731         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
13732         directly.
13733         (ix86_expand_prologue): Likewise.
13734         (ix86_expand_epilogue): Likewise.
13735         (ix86_expand_split_stack_prologue): Likewise.
13736         (ix86_compute_frame_layout): Remove frame parameter ...
13737         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
13738         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
13739         only if necessary.
13740         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
13741         (ix86_frame): Move from here ...
13742         * config/i386/i386.h (ix86_frame): ... to here.
13743         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
13744         complete ix86_frame data structure instead.  Remove some_ld_name.
13745
13746 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13747
13748         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
13749         symbols that hold a DECL_VALUE_EXPR.
13750
13751 2017-06-01  Martin Jambor  <mjambor@suse.cz>
13752
13753         PR tree-optimization/80898
13754         * tree-sra.c (process_subtree_disqualification): Removed.
13755         (disqualify_candidate): Do not acll
13756         process_subtree_disqualification.
13757         (subtree_mark_written_and_enqueue): New function.
13758         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
13759         RHS has been disqualified and re-queue LHS if necessary.  Apart
13760         from that, ignore disqualified RHS.
13761
13762 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13763
13764         * config/s390/s390.c (s390_emit_epilogue): Disable early return
13765         address fetch for z10 or later.
13766
13767 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13768
13769         * config/arc/arc.md (tst_movb): Add guard when splitting.
13770
13771 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13772
13773         * config/arc/arc.c (arc_can_eliminate): Test against
13774         arc_frame_pointer_needed.
13775
13776 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13777
13778         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
13779         to prevent store reordering.
13780         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
13781         (type): Add block type.
13782         (stack_tie): Define special instruction to be used in
13783         expand_prologue.
13784
13785 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13786
13787         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
13788         constraint. It is not valid for the pattern.
13789         (noncommutative_binary_comparison): Likewise.
13790
13791 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13792
13793         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
13794         scaled addresses.
13795
13796 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13797
13798         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
13799         be used by the reg-alloc.
13800
13801 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13802
13803         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
13804         reg-alloc when having mul64 or mul32x16 instructions.
13805         (mulsidi3): Likewise.
13806         (umulsidi3): Likewise.
13807         (mulsi32x16): New pattern.
13808         (mulsi64): Likewise.
13809         (mulsidi64): Likewise.
13810         (umulsidi64): Likewise.
13811         (MUL32x16_REG): Define.
13812         (mul64_600): Use MUL32x16_REG.
13813         (mac64_600): Likewise.
13814         (umul64_600): Likewise.
13815         (umac64_600): Likewise.
13816
13817 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13818
13819         * config/arc/arc.md (mulsi3_700): Make it commutative.
13820
13821 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
13822
13823         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
13824         type for movstouw.
13825         (*sign_extendsidi2_insn): Likewise for movstosw.
13826
13827 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13828
13829         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
13830         the type of the input discriminant value.  Convert the
13831         discriminant value of signedness vary.
13832
13833 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
13834
13835         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
13836         Add to -Wall section.
13837
13838 2017-06-01  Richard Biener  <rguenther@suse.de>
13839
13840         PR middle-end/66313
13841         * fold-const.c (fold_plusminus_mult_expr): If the factored
13842         factor may be zero use a wrapping type for the inner operation.
13843         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
13844         and handle moved defs.
13845         (process_assignment): Properly guard the unary op case.  Return a
13846         tri-state indicating that moving the stmt before the call may allow
13847         to continue.  Pass through to_move.
13848         (find_tail_calls): Handle moving unrelated defs before
13849         the call.
13850
13851 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
13852
13853         PR target/80618
13854         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
13855         splitter result in the canonical way.
13856
13857 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
13858
13859         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
13860         also for 32bit target.  Update insn attributes.
13861         (zero-extendsidi2 splitter): Allow all registers for operand 1.
13862
13863 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
13864
13865         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
13866         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
13867         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
13868         (_mm_maskz_min_ss): New intrinsics.
13869
13870 2017-05-31  Martin Liska  <mliska@suse.cz>
13871
13872         * tree-vect-loop.c (vect_create_epilog_for_reduction):
13873         Change comment style to one we normally use.
13874         (vectorizable_reduction): Likewise.
13875         (vectorizable_induction): Likewise.
13876         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
13877         (vectorizable_call): Likewise.
13878         (vectorizable_simd_clone_call): Likewise.
13879         (vectorizable_conversion): Likewise.
13880         (vectorizable_assignment): Likewise.
13881         (vectorizable_shift): Likewise.
13882         (vectorizable_operation): Likewise.
13883         (vectorizable_store): Likewise.
13884         (vectorizable_load): Likewise.
13885         * tree-vectorizer.h: Likewise.
13886
13887 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
13888
13889         * passes.c (emergency_dump_function): New.
13890         * tree-pass.h (emergency_dump_function): Declare.
13891         * plugin.c (plugins_internal_error_function): Remove.
13892         * plugin.h (plugins_internal_error_function): Remove declaration.
13893         * toplev.c (internal_error_function): New static function.  Use it...
13894         (general_init): ...here.
13895
13896 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
13897
13898         * config/arc/arc.c (arc_print_operand): Handle constant operands.
13899         (arc_rtx_costs): Add costs for new patterns.
13900         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
13901         * config/arc/predicates.md: Add _1_2_3_operand predicate.
13902
13903 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13904
13905         * tree-ssa-strlen.c (get_next_strinfo): New function.
13906         (get_stridx_plus_constant): Use it.
13907         (zero_length_string): Likewise.
13908         (adjust_related_strinfos): Likewise.
13909         (adjust_last_stmt): Likewise.
13910
13911 2017-05-31  Richard Biener  <rguenther@suse.de>
13912
13913         PR target/80880
13914         * config/i386/i386.c (ix86_expand_builtin): Remove assert
13915         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
13916
13917 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13918
13919         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
13920         loop_vinfo argument and use of dependence distance vectors.
13921         Check instead whether the two references differ only in their
13922         initial value and assume that they have the same alignment if the
13923         difference is a multiple of the vector alignment.
13924         (vect_analyze_data_refs_alignment): Update call accordingly.
13925
13926 2017-05-31  Martin Liska  <mliska@suse.cz>
13927
13928         PR target/79155
13929         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
13930
13931 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13932
13933         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
13934         (create_intersect_range_checks): Move from ...
13935         * tree-data-ref.c (create_intersect_range_checks_index)
13936         (create_intersect_range_checks): ... to here.
13937         (create_runtime_alias_checks): New function factored from ...
13938         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
13939         here.  Call above function.
13940         * tree-data-ref.h (create_runtime_alias_checks): New function.
13941
13942 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13943
13944         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
13945         segment length for dr_b and compute it in wide_int.
13946
13947 2017-05-31  Richard Biener  <rguenther@suse.de>
13948
13949         PR tree-optimization/80906
13950         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
13951         and pass through iv_map.
13952         (copy_bb_and_scalar_dependences): Adjust.
13953         (translate_pending_phi_nodes): Likewise.
13954         (copy_loop_close_phi_args): Handle code-generating IVs instead
13955         of ICEing.
13956
13957 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
13958
13959         * diagnostic-color.c (color_dict): Add "type-diff".
13960         (parse_gcc_colors): Update comment.
13961         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
13962         -fdiagnostics-show-template-tree and -fno-elide-type.
13963         (GCC_COLORS): Add type-diff to example.
13964         (type-diff=): New.
13965         (-fdiagnostics-show-template-tree): New.
13966         (-fno-elide-type): New.
13967         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
13968         the pp_format_decoder callback.  Call any m_format_postprocessor's
13969         "handle" method.
13970         (pretty_printer::pretty_printer): Initialize
13971         m_format_postprocessor.
13972         (pretty_printer::~pretty_printer): Delete any
13973         m_format_postprocessor.
13974         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
13975         (class format_postprocessor): New class.
13976         (struct pretty_printer::format_decoder): Document the new parameters.
13977         (struct pretty_printer::m_format_postprocessor): New field.
13978         * tree-diagnostic.c (default_tree_printer): Update for new
13979         bool and const char ** params.
13980         * tree-diagnostic.h (default_tree_printer): Likewise.
13981
13982 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
13983
13984         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
13985         (lwa_operand): Delete rs6000_gen_cell_microcode test.
13986         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
13987         rs6000_gen_cell_microcode code.
13988         (rs6000_final_prescan_insn): Delete.
13989         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
13990         "warn-cell-microcode" entries.
13991         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
13992         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
13993         throughout.  Change cc_reg_not_micro_cr0_operand to
13994         cc_reg_not_cr0_operand throughout.
13995         (*extendhi<mode>2_noload): Delete.
13996         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
13997         (mwarn-cell-microcode): Delete.
13998         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
13999         -mgen-cell-microcode and -mwarn-cell-microcode.
14000
14001 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
14002
14003         PR target/80833
14004         * config/i386/constraints.md (Yd): New constraint.
14005         (Ye): Ditto.
14006         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
14007         and (?Yd, r) alternatives.  Update insn attributes.
14008         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
14009         and (?*Yd, r) alternatives.  Update insn attributes.
14010         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
14011
14012 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
14013
14014         * gimplify.c (gimplify_modify_expr): Don't create a
14015         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
14016         function.
14017
14018 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
14019
14020         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
14021
14022 2017-05-30  Richard Biener  <rguenther@suse.de>
14023
14024         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
14025         and reduc_def fields.
14026         (STMT_VINFO_REDUC_TYPE): New define.
14027         (STMT_VINFO_REDUC_DEF): Likewise.
14028         (vect_force_simple_reduction): Adjust prototype.
14029         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
14030         (vect_is_simple_reduction): Remove check_reduction argument.
14031         (vect_force_simple_reduction): Adjust and set
14032         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14033         (vectorizable_reduction): Do not re-do reduction analysis
14034         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14035         * tree-parloops.c (gather_scalar_reductions): Adjust.
14036
14037 2017-05-30  Richard Biener  <rguenther@suse.de>
14038
14039         PR middle-end/80901
14040         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
14041         split_edge code.
14042
14043 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14044
14045         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
14046         Introduce unknown_misalignment parameter and remove vf.
14047         (vect_peeling_hash_get_lowest_cost):
14048         Pass unknown_misalignment parameter.
14049         (vect_enhance_data_refs_alignment):
14050         Fix unsupportable data ref treatment.
14051
14052 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14053
14054         * tree-vect-data-refs.c (vect_get_data_access_cost):
14055         Workaround for SLP handling.
14056         (vect_enhance_data_refs_alignment):
14057         Compute costs for doing no peeling at all, compare to the best
14058         peeling costs so far and avoid peeling if cheaper.
14059
14060 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14061
14062         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
14063         Return peeling info and set costs to zero for unlimited cost
14064         model.
14065         (vect_enhance_data_refs_alignment): Also inspect all datarefs
14066         with unknown misalignment. Compute and costs for unknown
14067         misalignment, compare them to the costs for known misalignment
14068         and choose the cheapest for peeling.
14069
14070 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14071
14072         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
14073         (vect_get_peeling_costs_all_drs): Create function.
14074         (vect_peeling_hash_get_lowest_cost):
14075         Use vect_get_peeling_costs_all_drs.
14076         (vect_peeling_supportable): Create function.
14077         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
14078
14079 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14080
14081         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
14082         DR_HAS_NEGATIVE_STEP.
14083         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
14084         (vect_enhance_data_refs_alignment): Use.
14085         (vect_duplicate_ssa_name_ptr_info): Use.
14086         * tree-vectorizer.h (dr_misalignment): Use.
14087         (known_alignment_for_access_p): Use.
14088
14089 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
14090
14091         PR target/78838
14092         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
14093         .lowtext.
14094         (has_section_name): New function.
14095
14096 2017-05-30  Martin Liska  <mliska@suse.cz>
14097
14098         PR other/80909
14099         * auto-profile.c (get_function_decl_from_block): Fix
14100         parenthesis.
14101
14102 2017-05-30  Richard Biener  <rguenther@suse.de>
14103
14104         PR middle-end/80876
14105         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
14106
14107 2017-05-30  Martin Liska  <mliska@suse.cz>
14108
14109         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
14110         * dumpfile.h (struct dump_file_info): Remove ctors.
14111
14112 2017-05-30  Martin Liska  <mliska@suse.cz>
14113
14114         * predict.def: Fix GNU coding style.
14115
14116 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14117
14118         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
14119         Mark 'to' argument with ATTRIBUTE_UNUSED.
14120
14121 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14122
14123         * config/xtensa/xtensa.c (xtensa_emit_call): Use
14124         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
14125         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
14126         format string.
14127
14128 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
14129
14130         * doc/install.texi (Options specification): Restore entry of
14131         --enable-sjlj-exceptions.
14132
14133 2017-05-27  Michael Eager  <eager@eagercon.com>
14134
14135         Revert:
14136         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14137
14138         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
14139
14140         * config/microblaze/microblaze.h
14141         (FIXED_REGISTERS): Update in macro.
14142         (CALL_USED_REGISTERS): Update in macro.
14143
14144 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
14145
14146         * doc/install.texi: Add links to macOS binary distributions.
14147
14148 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
14149
14150         PR bootstrap/80887
14151         Revert:
14152         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14153
14154         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14155
14156 2017-05-26  Martin Liska  <mliska@suse.cz>
14157
14158         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
14159
14160 2017-05-26  Martin Liska  <mliska@suse.cz>
14161
14162         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
14163         always leading ';; '.
14164         (dump_bb_info): Likewise.
14165         (brief_dump_cfg): Likewise.
14166         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
14167         * dumpfile.c: Remove usage of TDF_VERBOSE.
14168         * dumpfile.h (enum dump_kind): Likewise.
14169         (dump_gimple_bb_header): Do not use TDF_COMMENT.
14170         * print-tree.c (debug_verbose): Remove.
14171         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
14172         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
14173         * tree-diagnostic.c (default_tree_printer): Replace
14174         TDF_DIAGNOSTIC with TDF_SLIM.
14175
14176 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14177
14178         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
14179         in parameter loop, rather than loop_vinfo.
14180         (create_intersect_range_checks): Ditto.
14181         (vect_create_cond_for_alias_checks): Update call to above functions.
14182
14183 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14184
14185         PR tree-optimization/80815
14186         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
14187         for merging runtime alias checks.  Handle negative DR_STEPs.
14188
14189 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14190
14191         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
14192         Move from ...
14193         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
14194         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
14195         out code pruning runtime alias checks.
14196         * tree-data-ref.c (prune_runtime_alias_test_list): New function
14197         factored out from above.
14198         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14199         Move from ...
14200         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14201         ... to here.
14202         (prune_runtime_alias_test_list): New decalaration.
14203
14204 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14205
14206         * tree-vect-data-refs.c (compare_tree): Rename and move ...
14207         * tree-data-ref.c (data_ref_compare_tree): ... to here.
14208         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
14209         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
14210         (operator==, comp_dr_with_seg_len_pair): Ditto.
14211         (vect_prune_runtime_alias_test_list): Ditto.
14212
14213 2017-05-26  Martin Liska  <mliska@suse.cz>
14214
14215         PR ipa/80663
14216         * params.def: Bound partial-inlining-entry-probability param.
14217
14218 2017-05-26  Marek Polacek  <polacek@redhat.com>
14219
14220         PR sanitizer/80875
14221         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
14222         can be negated.
14223
14224 2017-05-26  Richard Biener  <rguenther@suse.de>
14225
14226         PR tree-optimization/80842
14227         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
14228         value.
14229
14230 2017-05-26  Richard Biener  <rguenther@suse.de>
14231
14232         PR tree-optimization/80844
14233         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
14234
14235 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
14236
14237         * doc/md.texi (Machine Constraints): Update x86 family
14238         machine constraints section to match 'config/i386/constraints.md'.
14239
14240 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
14241
14242         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
14243
14244 2017-05-25  Nathan Sidwell  <nathan@acm.org>
14245
14246         * doc/invoke.texi (--enable-languages): Update documentation.
14247
14248 2017-05-25  Martin Liska  <mliska@suse.cz>
14249
14250         * dumpfile.c: Add TDF_FOLDING.
14251         * dumpfile.h (enum dump_kind): Likewise.
14252         * genmatch.c (dt_simplify::gen_1): Use it.
14253
14254 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14255
14256         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
14257
14258 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14259
14260         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14261         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
14262
14263 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14264
14265         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
14266         * match.pd (X == C): Rewrite it here.
14267         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
14268         with_certain_nonzero_bits2): New predicates.
14269         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
14270
14271 2017-05-24  Nathan Sidwell  <nathan@acm.org>
14272
14273         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
14274         avoid warning.
14275
14276         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
14277         warning.
14278
14279 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14280
14281         * config/powerpcspe: New port.  Files are copied from the rs6000
14282         port, with "rs6000" in filenames replaced by "powerpcspe".
14283
14284 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
14285
14286         PR rtl-optimization/80754
14287         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
14288
14289 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
14290
14291         * config/sparc/sparc.md (length): Return the correct value for -mflat
14292         sibcalls to match output_sibcall.
14293
14294 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14295
14296         PR bootstrap/80860
14297         PR bootstrap/80843
14298         * config/rs6000/rs6000.c (struct machine_function): Add new field
14299         n_components.
14300         (rs6000_get_separate_components): Init that field, use it.
14301         (rs6000_components_for_bb): Use the field.
14302
14303 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14304
14305         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
14306
14307 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
14308
14309         PR middle-end/80823
14310         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
14311
14312 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14313
14314         PR target/80725
14315         * config/s390/s390.c (s390_check_qrst_address): Check incoming
14316         address against address_operand predicate.
14317         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
14318
14319 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
14320
14321         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
14322         parameters passed indirectly.
14323
14324 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
14325
14326         * config/i386/i386.md (*movdi_internal): Remove SSE4
14327         alternative 18 (?r, *v).  Update insn attributes.
14328         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
14329         Update insn attributes.
14330         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
14331         Update insn attributes.
14332         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
14333         alternative 1 (r, v). Remove isa attribute.
14334         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
14335         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
14336         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
14337
14338 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14339
14340         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
14341         dg-line directive.
14342
14343 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14344
14345         * cgraphunit.c (symbol_table::process_new_functions): Update.
14346         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
14347         (inline_generate_summary): Rename to ...
14348         (ipa_fn_summary_generate): ... this one.
14349         (inline_read_summary): Rename to ...
14350         (ipa_fn_summary_read): ... this one.
14351         (inline_write_summary): Rename to ...
14352         (ipa_fn_summary_write): ... this one.
14353         (inline_free_summary): Rename to ...
14354         (ipa_free_fn_summary): ... this one.
14355         (pass_data_local_fn_summary, pass_local_fn_summary,
14356         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
14357         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
14358         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
14359         make_pass_ipa_fn_summary): New.
14360         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
14361         inline_write_summary, inline_free_summary): Remove.
14362         (ipa_free_fn_summary) : New.
14363         * ipa-inline.c (ipa_inline): Update.
14364         (pass_ipa_inline): Do not generate summaries.
14365         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
14366         Remove.
14367         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
14368         and add pass_ipa_fn_summary.
14369         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
14370         New.
14371         (make_pass_inline_parameters): Remove.
14372
14373 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
14374
14375         * omp-low.c (struct omp_context): Remove "default_kind" member.
14376         Adjust all users.
14377
14378         * omp-offload.c (execute_oacc_device_lower): Remove the
14379         parallelism dimensions function attributes for unparallelized
14380         OpenACC kernels constructs.
14381
14382 2017-05-23  Martin Liska  <mliska@suse.cz>
14383
14384         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
14385         functions.
14386         (cgraph_edge::make_speculative): Likewise.
14387         (cgraph_edge::resolve_speculation): Likewise.
14388         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
14389         (cgraph_node::dump): Likewise.
14390         * cgraph.h: Likewise.
14391         * cgraphunit.c (analyze_functions): Likewise.
14392         (symbol_table::compile): Likewise.
14393         * ipa-cp.c (print_all_lattices): Likewise.
14394         (determine_versionability): Likewise.
14395         (initialize_node_lattices): Likewise.
14396         (ipcp_verify_propagated_values): Likewise.
14397         (estimate_local_effects): Likewise.
14398         (update_profiling_info): Likewise.
14399         (create_specialized_node): Likewise.
14400         (perhaps_add_new_callers): Likewise.
14401         (decide_about_value): Likewise.
14402         (decide_whether_version_node): Likewise.
14403         (identify_dead_nodes): Likewise.
14404         (ipcp_store_bits_results): Likewise.
14405         * ipa-devirt.c (dump_targets): Likewise.
14406         (ipa_devirt): Likewise.
14407         * ipa-icf.c (sem_item::dump): Likewise.
14408         (sem_function::equals): Likewise.
14409         (sem_variable::equals): Likewise.
14410         (sem_item_optimizer::read_section): Likewise.
14411         (sem_item_optimizer::execute): Likewise.
14412         (congruence_class::dump): Likewise.
14413         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
14414         (dump_inline_summary): Likewise.
14415         (estimate_node_size_and_time): Likewise.
14416         (inline_analyze_function): Likewise.
14417         * ipa-inline-transform.c (inline_call): Likewise.
14418         * ipa-inline.c (report_inline_failed_reason): Likewise.
14419         (want_early_inline_function_p): Likewise.
14420         (edge_badness): Likewise.
14421         (update_edge_key): Likewise.
14422         (inline_small_functions): Likewise.
14423         * ipa-profile.c (ipa_profile): Likewise.
14424         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
14425         (ipa_make_edge_direct_to_target): Likewise.
14426         (remove_described_reference): Likewise.
14427         (ipa_impossible_devirt_target): Likewise.
14428         (propagate_controlled_uses): Likewise.
14429         (ipa_print_node_params): Likewise.
14430         (ipcp_transform_function): Likewise.
14431         * ipa-pure-const.c (pure_const_read_summary): Likewise.
14432         (propagate_pure_const): Likewise.
14433         * ipa-reference.c (generate_summary): Likewise.
14434         (read_write_all_from_decl): Likewise.
14435         (propagate): Likewise.
14436         (ipa_reference_read_optimization_summary): Likewise.
14437         * ipa-utils.c (ipa_merge_profiles): Likewise.
14438         * ipa.c (walk_polymorphic_call_targets): Likewise.
14439         (symbol_table::remove_unreachable_nodes): Likewise.
14440         (ipa_single_use): Likewise.
14441         * passes.c (execute_todo): Likewise.
14442         * predict.c (drop_profile): Likewise.
14443         * symtab.c (symtab_node::get_dump_name): New function.
14444         (symtab_node::dump_name): Likewise.
14445         (symtab_node::dump_asm_name): Likewise.
14446         (symtab_node::dump_references): Likewise.
14447         (symtab_node::dump_referring): Likewise.
14448         (symtab_node::dump_base): Likewise.
14449         (symtab_node::debug_symtab): Likewise.
14450         * tree-sra.c (convert_callers_for_node): Likewise.
14451         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
14452         * value-prof.c (init_node_map): Likewise.
14453
14454 2017-05-23  Martin Liska  <mliska@suse.cz>
14455
14456         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
14457         and symtab_node::debug_symtab to symbol_table::debug.
14458         * cgraphunit.c (analyze_functions): Use the renamed function.
14459         (symbol_table::compile): Likewise.
14460         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
14461         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
14462         * passes.c (execute_todo): Likewise.
14463         * symtab.c (symbol_table::dump): New function.
14464         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
14465
14466 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14467
14468         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
14469         that nonconst implies exec.
14470
14471 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14472
14473         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14474         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14475         (inline_edge_summary_vec): Turn into ...
14476         (ipa_call_summaries): ... this one.
14477         (redirect_to_unreachable, edge_set_predicate,
14478         evaluate_properties_for_edge, inline_summary_alloc,
14479         reset_ipa_call_summary, reset_inline_summary,
14480         inline_summary_t::duplicate): Update.
14481         (inline_edge_duplication_hook): Turn to ...
14482         (ipa_call_summary_t::duplicate): ... this one.
14483         (inline_edge_removal_hook): Turn to ...
14484         (ipa_call_summary_t::remove): ... this one.
14485         (dump_inline_edge_summary): Turn to ...
14486         (dump_ipa_call_summary): ... this one.
14487         (estimate_function_body_sizes): Update.
14488         (inline_update_callee_summaries): Update.
14489         (remap_edge_change_prob): Update.
14490         (remap_edge_summaries): Update.
14491         (inline_merge_summary): Update.
14492         (do_estimate_edge_time): Update.
14493         (inline_generate_summary): Update.
14494         (inline_read_section): Update.
14495         (inline_read_summary): Update.
14496         (inline_free_summary): Update.
14497         * ipa-inline.c (can_inline_edge_p): Update.
14498         (compute_inlined_call_time): Update.
14499         (want_inline_small_function_p): Update.
14500         (edge_badness): Update.
14501         (early_inliner): Update.
14502         * ipa-inline.h (inline_edge_summary): Turn to ...
14503         (ipa_call_summary): ... this one.
14504         (ipa_call_summary_t): New class.
14505         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14506         (ipa_call_summaries): New.
14507         (inline_edge_summary): Remove.
14508         (estimate_edge_growth): Update.
14509         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14510         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14511         * ipa-split.c (execute_split_functions): Update.
14512         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14513
14514 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14515
14516         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14517         attributes): Document rdrand effective target.
14518
14519 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14520
14521         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14522         attributes): Sort alphabetically.
14523
14524 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
14525
14526         * config/avr/genmultilib.awk: Use gsub instead of gensub.
14527
14528 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
14529
14530         PR target/80718
14531         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
14532         V2DF/V2DI splat into two separate patterns, one that handles
14533         registers, and the other that only handles memory.  Drop support
14534         for splatting from a GPR on ISA 2.07 and then splitting the
14535         splat into direct move and splat.
14536         (vsx_splat_<mode>_reg): Likewise.
14537         (vsx_splat_<mode>_mem): Likewise.
14538
14539 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
14540
14541         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
14542
14543 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
14544
14545         PR middle-end/80809
14546         * omp-low.c (finish_taskreg_remap): New function.
14547         (finish_taskreg_scan): If unit size of ctx->record_type
14548         is non-constant, unshare the size expression and replace
14549         decls in it with possible outer var refs.
14550
14551         PR middle-end/80809
14552         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
14553         GOVD_SHARED rather than GOVD_PRIVATE with it.
14554         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
14555         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
14556
14557         PR middle-end/80853
14558         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
14559         as last argument to build_outer_var_ref for pointer bases of array
14560         section reductions.
14561
14562 2017-05-19  Martin Sebor  <msebor@redhat.com>
14563
14564         * print-tree.c (print_node): Print DECL_READ_P flag.
14565
14566 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14567
14568         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
14569         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
14570         * cgraph.c: Likewise.
14571         * cgraphunit.c: Likewise.
14572         * gengtype.c: Likewise.
14573         * ipa-cp.c: Likewise.
14574         * ipa-devirt.c: Likewise.
14575         * ipa-icf.c: Likewise.
14576         * ipa-predicate.c: Likewise.
14577         * ipa-profile.c: Likewise.
14578         * ipa-prop.c: Likewise.
14579         * ipa-split.c: Likewise.
14580         * ipa.c: Likewise.
14581         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
14582         edge_predicate_pool, dump_inline_hints,
14583         inline_summary::account_size_time, redirect_to_unreachable,
14584         edge_set_predicate, set_hint_predicate,
14585         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
14586         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
14587         inline_summary_t::remove, remap_hint_predicate_after_duplication,
14588         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
14589         ipa_call_summary_t::remove, initialize_growth_caches,
14590         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
14591         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
14592         mark_modified, unmodified_parm_1, unmodified_parm,
14593         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
14594         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
14595         compute_bb_predicates, will_be_nonconstant_expr_predicate,
14596         will_be_nonconstant_predicate, record_modified_bb_info,
14597         get_minimal_bb, record_modified, param_change_prob,
14598         phi_result_unknown_predicate, predicate_for_phi_result,
14599         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
14600         estimate_function_body_sizes, compute_inline_parameters,
14601         compute_inline_parameters_for_curren, pass_data_inline_parameters,
14602         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
14603         inline_update_callee_summaries, remap_edge_change_prob,
14604         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
14605         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
14606         inline_analyze_function, inline_summary_t::insert,
14607         inline_generate_summary, read_ipa_call_summary, inline_read_section,
14608         inline_read_summary, write_ipa_call_summary, inline_write_summary,
14609         inline_free_summary): Move to ipa-fnsummary.h
14610         (predicate_t): Remove.
14611         * ipa-fnsummary.c: New file.
14612         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
14613         (enum inline_hints_vals, inline_hints, agg_position_info,
14614         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
14615         inline_summaries, ipa_call_summary, ipa_call_summary_t,
14616         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
14617         dump_inline_summary, dump_inline_hints, inline_generate_summary,
14618         inline_read_summary, inline_write_summary, inline_free_summary,
14619         inline_analyze_function, initialize_inline_failed,
14620         inline_merge_summary, inline_update_overall_summary,
14621         compute_inline_parameters): Move to ipa-fnsummary.h
14622         * ipa-fnsummary.h: New file.
14623         * ipa-inline-transform.h: Include ipa-inline.h.
14624         * ipa-inline.c: LIkewise.
14625
14626 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14627
14628         * ipa-inline.c (edge_badness): Use inlined_time instead of
14629         inline_summaries->get.
14630
14631 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14632
14633         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
14634
14635 2017-05-22  Nathan Sidwell  <nathan@acm.org>
14636
14637         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
14638         (fdump-lang): Document 'raw' option.
14639         * dumpfile.h (TDI_tu): Delete.
14640         * dumpfile.c (dump_files): Remove translation-unit.
14641         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
14642
14643 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
14644
14645         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
14646         command option from $(AWK) call.
14647         * config/avr/genmultilib.awk: Simplify and rewrite so that it
14648         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
14649         [FORMAT]: Remove handling of variable.
14650         * config/avr/t-multilib: Regenerate.
14651
14652 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14653
14654         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
14655         self_time.
14656         (dump_inline_summary): Do not print self_time.
14657         (estimate_function_body_sizes): Do not set self_time.
14658         (compute_inline_parameters): Likewise.
14659         (inline_read_section, inline_write_summary): Do not stream self_time.
14660         * ipa-inline.h (inline_summary): Drop self_time.
14661
14662 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14663
14664         * ipa-inline-analysis.c (account_size_time): Rename to ...
14665         (inline_summary::account_size_time): ... this one.
14666         (reset_ipa_call_summary): Turn to ...
14667         (ipa_call_summary::reset): ... this one.
14668         (reset_inline_summary): Turn to ...
14669         (inline_summary::reset): ... this one.
14670         (inline_summary_t::remove): Update.
14671         (inline_summary_t::duplicate): Update.
14672         (ipa_call_summary_t::remove): Update.
14673         (dump_inline_summary): Update.
14674         (estimate_function_body_sizes): Update.
14675         (compute_inline_parameters): Update.
14676         (estimate_node_size_and_time): Update.
14677         (inline_merge_summary): Update.
14678         (inline_update_overall_summary): Update.
14679         (inline_read_section): Update.
14680         (inline_write_summary): Update.
14681         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
14682         add account_size_time and reset member functions.
14683         (ipa_call_summary): Add reset function.
14684         * ipa-predicate.h (predicate::operator &): Constify.
14685
14686 2017-05-22  Richard Biener  <rguenther@suse.de>
14687
14688         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
14689
14690 2017-05-19  Jason Merrill  <jason@redhat.com>
14691
14692         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
14693
14694 2017-05-19  Marek Polacek  <polacek@redhat.com>
14695
14696         PR sanitizer/80800
14697         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
14698         TYPE_OVERFLOW_WRAPS checks.
14699
14700 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
14701
14702         * tree-core.h (enum omp_clause_default_kind): Add
14703         "OMP_CLAUSE_DEFAULT_PRESENT".
14704         * tree-pretty-print.c (dump_omp_clause): Handle it.
14705         * gimplify.c (enum gimplify_omp_var_data): Add
14706         "GOVD_MAP_FORCE_PRESENT".
14707         (gimplify_adjust_omp_clauses_1): Map it to
14708         "GOMP_MAP_FORCE_PRESENT".
14709         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
14710
14711         * gimplify.c (oacc_default_clause): Clarify.
14712
14713 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14714
14715         LANG_HOOK_REGISTER_DUMPS
14716         * toplev.c (general_init): Call register dump lang hook.
14717         * doc/invoke.texi: Document -fdump-lang option family.
14718         * dumpfile.c (dump_files): Remove class dump here.
14719         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
14720         * dumpfile.h (tree_dump_index): Remove TDI_class.
14721         * langhooks-def.h (lhd_register_dumps): Declare.
14722         (LANG_HOOKS_REGISTER_DUMPS): Define.
14723         (LANG_HOOKS_INITIALIZER): Add it.
14724         * langhooks.c (lhd_register_dumps): Define.
14725         * langhooks.h (struct lang_hooks): Add register_dumps.
14726
14727 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14728
14729         * context.h (context::set_passes): New.
14730         * context.c (context::context): Do not create pass manager.
14731         * toplev.c (general_init): Create pass manager here.
14732
14733 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
14734
14735         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
14736         use this splitter if two add or or instructions would also work for
14737         the constant we want to generate.
14738
14739 2017-05-19  Richard Biener  <rguenther@suse.de>
14740
14741         PR build/80821
14742         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
14743         predicate evaluation.
14744
14745 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14746
14747         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
14748         add ctor.
14749         * ipa-inline.c (want_inline_small_function_p): Do not cast to
14750         unsigned.
14751
14752 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14753
14754         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14755         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14756         (inline_edge_summary_vec): Turn into ...
14757         (ipa_call_summaries): ... this one.
14758         (redirect_to_unreachable, edge_set_predicate,
14759         evaluate_properties_for_edge, inline_summary_alloc,
14760         reset_ipa_call_summary, reset_inline_summary,
14761         inline_summary_t::duplicate): Update.
14762         (inline_edge_duplication_hook): Turn to ...
14763         (ipa_call_summary_t::duplicate): ... this one.
14764         (inline_edge_removal_hook): Turn to ...
14765         (ipa_call_summary_t::remove): ... this one.
14766         (dump_inline_edge_summary): Turn to ...
14767         (dump_ipa_call_summary): ... this one.
14768         (estimate_function_body_sizes): Update.
14769         (inline_update_callee_summaries): Update.
14770         (remap_edge_change_prob): Update.
14771         (remap_edge_summaries): Update.
14772         (inline_merge_summary): Update.
14773         (do_estimate_edge_time): Update.
14774         (inline_generate_summary): Update.
14775         (inline_read_section): Update.
14776         (inline_read_summary): Update.
14777         (inline_free_summary): Update.
14778         * ipa-inline.c (can_inline_edge_p): Update.
14779         (compute_inlined_call_time): Update.
14780         (want_inline_small_function_p): Update.
14781         (edge_badness): Update.
14782         (early_inliner): Update.
14783         * ipa-inline.h (inline_edge_summary): Turn to ...
14784         (ipa_call_summary): ... this one.
14785         (ipa_call_summary_t): New class.
14786         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14787         (ipa_call_summaries): New.
14788         (inline_edge_summary): Remove.
14789         (estimate_edge_growth): Update.
14790         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14791         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14792         * ipa-split.c (execute_split_functions): Update.
14793         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14794
14795 2017-05-19  Richard Biener  <rguenther@suse.de>
14796
14797         PR middle-end/80764
14798         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
14799
14800 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
14801
14802         * config/rs6000/rs6000.c (struct machine_function): Add field
14803         fpr_is_wrapped_separately.
14804         (rs6000_get_separate_components): Use 64 components.  Handle the
14805         new FPR components.
14806         (rs6000_components_for_bb): Handle the FPR components.
14807         (rs6000_emit_prologue_components): Handle the FPR components.
14808         (rs6000_emit_epilogue_components): Handle the FPR components.
14809         (rs6000_set_handled_components): Handle the FPR components.
14810         (rs6000_emit_prologue): Don't output prologue code for those FPRs
14811         that are already separately shrink-wrapped.
14812         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
14813         that are already separately shrink-wrapped.
14814
14815 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
14816
14817         PR target/80510
14818         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
14819         New predicate.
14820
14821         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
14822         (define_peephole2 for Altivec d-form load): Add peepholes to catch
14823         cases where the register allocator uses a move and an offsettable
14824         memory operation to/from a FPR register on ISA 2.06/2.07.
14825         (define_peephole2 for Altivec d-form store): Likewise.
14826
14827 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
14828
14829         PR target/80799
14830         * config/i386/mmx.md (*mov<mode>_internal): Enable
14831         alternatives 11, 12, 13 and 14 also for 32bit targets.
14832         Remove alternatives 15, 16, 17 and 18.
14833         * config/i386/sse.md (vec_concatv2di): Change
14834         alternative (!x, *y) to (x, ?!*Yn).
14835
14836 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
14837
14838         * dumpfile.h (enum dump_kind): Remove stray comma.
14839
14840 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14841
14842         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
14843         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
14844         predicate::num_conditions
14845         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
14846         (CHANGED): turn into predicate::changed.
14847         (agg_position_info): Move to ipa-predicate.h
14848         (add_condition, predicate::add_clause, predicate::operator &=,
14849         predicate::or_with, predicate::evaluate, predicate::probability,
14850         dump_condition, dump_clause, predicate::dump,
14851         predicate::remap_after_duplication, predicate::remap_after_inlining,
14852         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
14853         (evaluate_conditions_for_known_args): Update.
14854         (set_cond_stmt_execution_predicate): Update.
14855         * ipa-inline.h: Include ipa-predicate.h
14856         (condition, inline_param_summary, conditions, agg_position_info,
14857         predicate): Move to ipa-predicate.h
14858         * ipa-predicate.c: New file.
14859         * ipa-predicate.h: New file.
14860
14861 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
14862
14863         * final.c (leaf_function_p): Check we are not in a sequence.
14864
14865 2017-05-18  Martin Liska  <mliska@suse.cz>
14866
14867         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
14868         * dumpfile.c (dump_register): Use new enum dump_kind.
14869         (get_dump_file_name): Likewise.
14870         (dump_enable_all): Likewise.
14871         (dump_switch_p_1): Likewise.
14872         (enable_rtl_dump_file): Remove usage of TDF_RTL.
14873         * dumpfile.h (enum dump_kind): New enum type.
14874         (struct dump_file_info): Create constructor and
14875         format fields and comments.
14876         * passes.c (pass_manager::register_one_dump_file):
14877         Use num dump_kind.
14878         * statistics.c (statistics_early_init): Likewise.
14879         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
14880         TDF_TREE with TDF_SLIM.
14881         (gather_memory_references_ref): Likewise.
14882
14883 2017-05-18  Martin Liska  <mliska@suse.cz>
14884
14885         * vec.h (struct vnull): Use it.
14886
14887 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14888
14889         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
14890         (true_predicate, false_predicate, true_predicate_p,
14891         false_predicate_p): Remove.
14892         (single_cond_predicate, not_inlined_predicate): Turn to member function
14893         in ipa-inline.h
14894         (add_condition): Update.
14895         (add_clause): Turn to...
14896         (predicate::add_clause): ... this one; update; allow passing NULL
14897         as parameter.
14898         (and_predicates): Turn to ...
14899         (predicate::operator &=): ... this one.
14900         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
14901         (or_predicates): Turn to ...
14902         (predicate::or_with): ... this one.
14903         (evaluate_predicate): Turn to ...
14904         (predicate::evaluate): ... this one.
14905         (predicate_probability): Turn to ...
14906         (predicate::probability): ... this one.
14907         (dump_condition): Update.
14908         (dump_predicate): Turn to ...
14909         (predicate::dump): ... this one.
14910         (account_size_time): Update.
14911         (edge_set_predicate): Update.
14912         (set_hint_predicate): UPdate.
14913         (evaluate_conditions_for_known_args): Update.
14914         (evaluate_properties_for_edge): Update.
14915         (remap_predicate_after_duplication): Turn to...
14916         (predicate::remap_after_duplication): ... this one.
14917         (remap_hint_predicate_after_duplication): Update.
14918         (inline_summary_t::duplicate): UPdate.
14919         (dump_inline_edge_summary): Update.
14920         (dump_inline_summary): Update.
14921         (set_cond_stmt_execution_predicate): Update.
14922         (set_switch_stmt_execution_predicate): Update.
14923         (compute_bb_predicates): Update.
14924         (will_be_nonconstant_expr_predicate): Update.
14925         (will_be_nonconstant_predicate): Update.
14926         (phi_result_unknown_predicate): Update.
14927         (predicate_for_phi_result): Update.
14928         (array_index_predicate): Update.
14929         (estimate_function_body_sizes): Update.
14930         (estimate_node_size_and_time): Update.
14931         (estimate_ipcp_clone_size_and_time): Update.
14932         (remap_predicate): Rename to ...
14933         (predicate::remap_after_inlining): ... this one.
14934         (remap_hint_predicate): Update.
14935         (inline_merge_summary): Update.
14936         (inline_update_overall_summary): Update.
14937         (estimate_size_after_inlining): Update.
14938         (read_predicate): Rename to ...
14939         (predicate::stream_in): ... this one.
14940         (read_inline_edge_summary): Update.
14941         (write_predicate): Rename to ...
14942         (predicate::stream_out): ... this one.
14943         (write_inline_edge_summary): Update.
14944         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
14945         (clause_t): Turn to uint32_t
14946         (predicate): Turn to class; implement constructor and operators
14947         ==, !=, &
14948         (size_time_entry): Update.
14949         (inline_summary): Update.
14950         (inline_edge_summary): Update.
14951
14952 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
14953
14954         * fold-const.c (fold_binary_loc): Move transformation...
14955         * match.pd (C - X CMP X): ... here.
14956
14957 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
14958
14959         * config/sparc/sparc.c (sparc_option_override): Set function
14960         alignment for -mcpu=niagara7 to 64 to match the I$ line.
14961         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
14962         latency to 1.
14963         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
14964         latency to 2.
14965         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
14966
14967 2017-05-18  Marek Polacek  <polacek@redhat.com>
14968
14969         PR sanitizer/80797
14970         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
14971         (pass_ubsan::execute): Call gimple_assign_single_p instead of
14972         gimple_assign_load_p.
14973
14974 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
14975
14976         PR middle-end/80692
14977         * real.c (do_compare): Give decimal_do_compare preference over
14978         comparing just the signs.
14979
14980 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
14981
14982         * doc/md.texi (Canonicalization of Instructions): Describe the
14983         canonical form of instructions that inherently set a condition
14984         code register.
14985
14986 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
14987
14988         PR middle-end/80775
14989         * tree-cfg.c: Move deletion of unreachable case statements to after
14990         the merging of consecutive case labels.
14991
14992 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14993
14994         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
14995         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
14996         restoring of callee-saved registers.
14997
14998 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
14999
15000         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
15001         * config/visium/visium.c (single_set_and_flags): Likewise.
15002         * config/visium/visium.md (Substitutions): Likewise.
15003
15004 2017-05-17  Martin Liska  <mliska@suse.cz>
15005
15006         * cfg.c: Introduce dump_flags_t type and
15007         use it instead of int type.
15008         * cfg.h: Likewise.
15009         * cfghooks.c: Likewise.
15010         * cfghooks.h (struct cfg_hooks): Likewise.
15011         * cfgrtl.c: Likewise.
15012         * cfgrtl.h: Likewise.
15013         * cgraph.c (cgraph_node::get_body): Likewise.
15014         * coretypes.h: Likewise.
15015         * domwalk.c: Likewise.
15016         * domwalk.h: Likewise.
15017         * dumpfile.c (struct dump_option_value_info): Likewise.
15018         (dump_enable_all): Likewise.
15019         (dump_switch_p_1): Likewise.
15020         (opt_info_switch_p): Likewise.
15021         * dumpfile.h (enum tree_dump_index): Likewise.
15022         (struct dump_file_info): Likewise.
15023         * genemit.c: Likewise.
15024         * generic-match-head.c: Likewise.
15025         * gengtype.c (open_base_files): Likewise.
15026         * gimple-pretty-print.c: Likewise.
15027         * gimple-pretty-print.h: Likewise.
15028         * graph.c (print_graph_cfg): Likewise.
15029         * graphite-scop-detection.c (dot_all_sese): Likewise.
15030         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
15031         * loop-unroll.c (report_unroll): Likewise.
15032         * passes.c (pass_manager::register_one_dump_file): Likewise.
15033         * print-tree.c: Likewise.
15034         * statistics.c: Likewise.
15035         * tree-cfg.c: Likewise.
15036         * tree-cfg.h: Likewise.
15037         * tree-dfa.c: Likewise.
15038         * tree-dfa.h: Likewise.
15039         * tree-dump.c (dump_function): Likewise.
15040         * tree-dump.h (struct dump_info): Likewise.
15041         * tree-pretty-print.c: Likewise.
15042         * tree-pretty-print.h: Likewise.
15043         * tree-ssa-live.c: Likewise.
15044         * tree-ssa-live.h: Likewise.
15045         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
15046         * tree-vect-loop.c: Likewise.
15047         * tree-vect-slp.c: Likewise.
15048
15049 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
15050             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15051
15052         PR tree-optimization/80457
15053         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
15054         of all arguments to a statement as scalar_to_vec operations.
15055         (vectorizable_call): Adjust call to vect_model_simple_cost for
15056         new parameter.
15057         (vectorizable_conversion): Likewise.
15058         (vectorizable_assignment): Likewise.
15059         (vectorizable_shift): Likewise.
15060         (vectorizable_operation): Likewise.
15061         (vectorizable_comparison): Likewise.
15062         (vect_is_simple_cond): Record the def types for operands.
15063         (vectorizable_condition): Likewise, call vect_model_simple_cost.
15064         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
15065         for statement argument count.
15066
15067 2017-05-16  Carl Love  <cel@us.ibm.com>
15068
15069         * config/rs6000/rs6000-c: Add support for built-in functions
15070         vector unsigned long long vec_bperm (vector unsigned long long,
15071                                              vector unsigned char)
15072         vector signed long long vec_mule (vector signed int,
15073                                           vector signed int)
15074         vector unsigned long long vec_mule (vector unsigned int,
15075                                             vector unsigned int)
15076         vector signed long long vec_mulo (vector signed int,
15077                                           vector signed int)
15078         vector unsigned long long vec_mulo (vector unsigned int,
15079                                             vector unsigned int)
15080         vector signed char vec_sldw (vector signed char,
15081                                      vector signed char,
15082                                      const int)
15083         vector unsigned char vec_sldw (vector unsigned char,
15084                                        vector unsigned char,
15085                                        const int)
15086         vector signed short vec_sldw (vector signed short,
15087                                       vector signed short,
15088                                       const int)
15089         vector unsigned short vec_sldw (vector unsigned short,
15090                                         vector unsigned short,
15091                                         const int)
15092         vector signed int vec_sldw (vector signed int,
15093                                     vector signed int,
15094                                     const int)
15095         vector unsigned int vec_sldw (vector unsigned int,
15096                                       vector unsigned int,
15097                                       const int)
15098         vector signed long long vec_sldw (vector signed long long,
15099                                           vector signed long long,
15100                                           const int)
15101         vector unsigned long long vec_sldw (vector unsigned long long,
15102                                             vector unsigned long long,
15103                                             const int)
15104         * config/rs6000/rs6000-c: Add support for built-in functions
15105         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
15106         * config/rs6000/altivec.h: Add defintion for vec_sldw.
15107         * doc/extend.texi: Update the built-in documentation for the
15108         new built-in functions.
15109
15110 2017-05-16  Marek Polacek  <polacek@redhat.com>
15111
15112         PR sanitizer/80536
15113         PR sanitizer/80386
15114         * tree.c (save_expr): Don't fold the expression.
15115
15116 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
15117
15118         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
15119         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
15120         and (?*y,m).  Update insn attributes.
15121
15122 2017-05-16  Martin Liska  <mliska@suse.cz>
15123
15124         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
15125         flags argument of print_gimple_stmt, print_gimple_expr,
15126         print_generic_stmt and print_generic_expr.
15127         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
15128         * coretypes.h: Likewise.
15129         * except.c (dump_eh_tree): Likewise.
15130         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
15131         * gimple-pretty-print.h: Likewise.
15132         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
15133         (backprop::push_to_worklist): Likewise.
15134         (backprop::pop_from_worklist): Likewise.
15135         (backprop::process_use): Likewise.
15136         (backprop::intersect_uses): Likewise.
15137         (note_replacement): Likewise.
15138         * gimple-ssa-store-merging.c
15139         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
15140         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
15141         (pass_store_merging::execute): Likewise.
15142         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
15143         (ssa_base_cand_dump_callback): Likewise.
15144         (dump_incr_vec): Likewise.
15145         (replace_refs): Likewise.
15146         (replace_mult_candidate): Likewise.
15147         (create_add_on_incoming_edge): Likewise.
15148         (create_phi_basis): Likewise.
15149         (insert_initializers): Likewise.
15150         (all_phi_incrs_profitable): Likewise.
15151         (introduce_cast_before_cand): Likewise.
15152         (replace_one_candidate): Likewise.
15153         * gimplify.c (gimplify_expr): Likewise.
15154         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
15155         (set_rename): Likewise.
15156         (rename_uses): Likewise.
15157         (copy_loop_phi_nodes): Likewise.
15158         (add_close_phis_to_merge_points): Likewise.
15159         (copy_loop_close_phi_args): Likewise.
15160         (copy_cond_phi_args): Likewise.
15161         (graphite_copy_stmts_from_block): Likewise.
15162         (translate_pending_phi_nodes): Likewise.
15163         * graphite-poly.c (print_pdr): Likewise.
15164         (dump_gbb_cases): Likewise.
15165         (dump_gbb_conditions): Likewise.
15166         (print_scop_params): Likewise.
15167         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
15168         (build_cross_bb_scalars_use): Likewise.
15169         (gather_bbs::before_dom_children): Likewise.
15170         * hsa-dump.c (dump_hsa_immed): Likewise.
15171         * ipa-cp.c (print_ipcp_constant_value): Likewise.
15172         (get_replacement_map): Likewise.
15173         * ipa-inline-analysis.c (dump_condition): Likewise.
15174         (estimate_function_body_sizes): Likewise.
15175         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
15176         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
15177         * ipa-prop.c (ipa_dump_param): Likewise.
15178         (ipa_print_node_jump_functions_for_edge): Likewise.
15179         (ipa_modify_call_arguments): Likewise.
15180         (ipa_modify_expr): Likewise.
15181         (ipa_dump_param_adjustments): Likewise.
15182         (ipa_dump_agg_replacement_values): Likewise.
15183         (ipcp_modif_dom_walker::before_dom_children): Likewise.
15184         * ipa-pure-const.c (check_stmt): Likewise.
15185         (pass_nothrow::execute): Likewise.
15186         * ipa-split.c (execute_split_functions): Likewise.
15187         * omp-offload.c (dump_oacc_loop_part): Likewise.
15188         (dump_oacc_loop): Likewise.
15189         * trans-mem.c (tm_log_emit): Likewise.
15190         (tm_memopt_accumulate_memops): Likewise.
15191         (dump_tm_memopt_set): Likewise.
15192         (dump_tm_memopt_transform): Likewise.
15193         * tree-cfg.c (gimple_verify_flow_info): Likewise.
15194         (print_loop): Likewise.
15195         * tree-chkp-opt.c (chkp_print_addr): Likewise.
15196         (chkp_gather_checks_info): Likewise.
15197         (chkp_get_check_result): Likewise.
15198         (chkp_remove_check_if_pass): Likewise.
15199         (chkp_use_outer_bounds_if_possible): Likewise.
15200         (chkp_reduce_bounds_lifetime): Likewise.
15201         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
15202         (chkp_mark_completed_bounds): Likewise.
15203         (chkp_register_incomplete_bounds): Likewise.
15204         (chkp_mark_invalid_bounds): Likewise.
15205         (chkp_maybe_copy_and_register_bounds): Likewise.
15206         (chkp_build_returned_bound): Likewise.
15207         (chkp_get_bound_for_parm): Likewise.
15208         (chkp_build_bndldx): Likewise.
15209         (chkp_get_bounds_by_definition): Likewise.
15210         (chkp_generate_extern_var_bounds): Likewise.
15211         (chkp_get_bounds_for_decl_addr): Likewise.
15212         * tree-chrec.c (chrec_apply): Likewise.
15213         * tree-data-ref.c (dump_data_reference): Likewise.
15214         (dump_subscript): Likewise.
15215         (dump_data_dependence_relation): Likewise.
15216         (analyze_overlapping_iterations): Likewise.
15217         * tree-inline.c (expand_call_inline): Likewise.
15218         (tree_function_versioning): Likewise.
15219         * tree-into-ssa.c (dump_defs_stack): Likewise.
15220         (dump_currdefs): Likewise.
15221         (dump_names_replaced_by): Likewise.
15222         (dump_update_ssa): Likewise.
15223         (update_ssa): Likewise.
15224         * tree-object-size.c (pass_object_sizes::execute): Likewise.
15225         * tree-parloops.c (build_new_reduction): Likewise.
15226         (try_create_reduction_list): Likewise.
15227         (ref_conflicts_with_region): Likewise.
15228         (oacc_entry_exit_ok_1): Likewise.
15229         (oacc_entry_exit_single_gang): Likewise.
15230         * tree-pretty-print.h: Likewise.
15231         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
15232         (get_scalar_evolution): Likewise.
15233         (add_to_evolution): Likewise.
15234         (get_loop_exit_condition): Likewise.
15235         (analyze_evolution_in_loop): Likewise.
15236         (analyze_initial_condition): Likewise.
15237         (analyze_scalar_evolution): Likewise.
15238         (instantiate_scev): Likewise.
15239         (number_of_latch_executions): Likewise.
15240         (gather_chrec_stats): Likewise.
15241         (final_value_replacement_loop): Likewise.
15242         (scev_const_prop): Likewise.
15243         * tree-sra.c (dump_access): Likewise.
15244         (disqualify_candidate): Likewise.
15245         (create_access): Likewise.
15246         (reject): Likewise.
15247         (maybe_add_sra_candidate): Likewise.
15248         (create_access_replacement): Likewise.
15249         (analyze_access_subtree): Likewise.
15250         (analyze_all_variable_accesses): Likewise.
15251         (sra_modify_assign): Likewise.
15252         (initialize_constant_pool_replacements): Likewise.
15253         (find_param_candidates): Likewise.
15254         (decide_one_param_reduction): Likewise.
15255         (replace_removed_params_ssa_names): Likewise.
15256         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
15257         * tree-ssa-copy.c (dump_copy_of): Likewise.
15258         (copy_prop_visit_cond_stmt): Likewise.
15259         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
15260         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
15261         (record_equivalences_from_stmt): Likewise.
15262         * tree-ssa-dse.c (compute_trims): Likewise.
15263         (delete_dead_call): Likewise.
15264         (delete_dead_assignment): Likewise.
15265         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
15266         (forward_propagate_into_cond): Likewise.
15267         (pass_forwprop::execute): Likewise.
15268         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
15269         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
15270         Likewise.
15271         (move_computations_worker): Likewise.
15272         (execute_sm): Likewise.
15273         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
15274         (remove_exits_and_undefined_stmts): Likewise.
15275         (remove_redundant_iv_tests): Likewise.
15276         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
15277         (adjust_iv_update_pos): Likewise.
15278         * tree-ssa-math-opts.c (bswap_replace): Likewise.
15279         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
15280         (value_replacement): Likewise.
15281         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
15282         * tree-ssa-pre.c (print_pre_expr): Likewise.
15283         (get_representative_for): Likewise.
15284         (create_expression_by_pieces): Likewise.
15285         (insert_into_preds_of_block): Likewise.
15286         (eliminate_insert): Likewise.
15287         (eliminate_dom_walker::before_dom_children): Likewise.
15288         (eliminate): Likewise.
15289         (remove_dead_inserted_code): Likewise.
15290         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
15291         * tree-ssa-reassoc.c (get_rank): Likewise.
15292         (eliminate_duplicate_pair): Likewise.
15293         (eliminate_plus_minus_pair): Likewise.
15294         (eliminate_not_pairs): Likewise.
15295         (undistribute_ops_list): Likewise.
15296         (eliminate_redundant_comparison): Likewise.
15297         (update_range_test): Likewise.
15298         (optimize_range_tests_var_bound): Likewise.
15299         (optimize_vec_cond_expr): Likewise.
15300         (rewrite_expr_tree): Likewise.
15301         (rewrite_expr_tree_parallel): Likewise.
15302         (linearize_expr): Likewise.
15303         (break_up_subtract): Likewise.
15304         (linearize_expr_tree): Likewise.
15305         (attempt_builtin_powi): Likewise.
15306         (attempt_builtin_copysign): Likewise.
15307         (transform_stmt_to_copy): Likewise.
15308         (transform_stmt_to_multiply): Likewise.
15309         (dump_ops_vector): Likewise.
15310         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
15311         (print_scc): Likewise.
15312         (set_ssa_val_to): Likewise.
15313         (visit_reference_op_store): Likewise.
15314         (visit_use): Likewise.
15315         (sccvn_dom_walker::before_dom_children): Likewise.
15316         (run_scc_vn): Likewise.
15317         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
15318         Likewise.
15319         (expr_hash_elt::print): Likewise.
15320         (const_and_copies::pop_to_marker): Likewise.
15321         (const_and_copies::record_const_or_copy_raw): Likewise.
15322         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
15323         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
15324         (dump_predicates): Likewise.
15325         (find_uninit_use): Likewise.
15326         (warn_uninitialized_phi): Likewise.
15327         (pass_late_warn_uninitialized::execute): Likewise.
15328         * tree-ssa.c (verify_vssa): Likewise.
15329         (verify_ssa): Likewise.
15330         (maybe_optimize_var): Likewise.
15331         * tree-vrp.c (dump_value_range): Likewise.
15332         (dump_all_value_ranges): Likewise.
15333         (dump_asserts_for): Likewise.
15334         (register_edge_assert_for_2): Likewise.
15335         (vrp_visit_cond_stmt): Likewise.
15336         (vrp_visit_switch_stmt): Likewise.
15337         (vrp_visit_stmt): Likewise.
15338         (vrp_visit_phi_node): Likewise.
15339         (simplify_cond_using_ranges_1): Likewise.
15340         (fold_predicate_in): Likewise.
15341         (evrp_dom_walker::before_dom_children): Likewise.
15342         (evrp_dom_walker::push_value_range): Likewise.
15343         (evrp_dom_walker::pop_value_range): Likewise.
15344         (execute_early_vrp): Likewise.
15345
15346 2017-05-16  Richard Biener  <rguenther@suse.de>
15347
15348         * dwarf2out.c (loc_list_from_tree_1): Do not create
15349         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
15350
15351 2017-05-16  Richard Biener  <rguenther@suse.de>
15352
15353         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
15354         just generated.
15355         (note_variable_value_in_expr): If we resolved the decl ref
15356         do not push to the stack.
15357
15358 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
15359
15360         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
15361         operations in fast-math mode.
15362         (vaddq_f16): Likewise.
15363         (vmul_f16): Likewise.
15364         (vmulq_f16): Likewise.
15365         (vsub_f16): Likewise.
15366         (vsubq_f16): Likewise.
15367         * config/arm/neon.md (add<mode>3): New.
15368         (sub<mode>3): New.
15369         (fma:<VH:mode>3): New.  Also remove outdated comment.
15370         (mul<mode>3): New.
15371
15372 2017-05-16  Martin Liska  <mliska@suse.cz>
15373
15374         PR ipa/79849.
15375         PR ipa/79850.
15376         * ipa-devirt.c (warn_types_mismatch): Fix typo.
15377         (odr_types_equivalent_p): Likewise.
15378
15379 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
15380
15381         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
15382
15383 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
15384
15385         PR target/80425
15386         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
15387         non-interunit SSE move alternatives with '?'.
15388         (zero-extendsidi peephole2): New peephole to skip intermediate
15389         general register in SSE zero-extend sequence.
15390
15391 2017-05-15  Jeff Law  <law@redhat.com>
15392
15393         * reorg.c (relax_delay_slots): Create a new variable to hold
15394         the temporary target rather than clobbering TARGET_LABEL.
15395
15396         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
15397         missing argument to extract_bit_field call.
15398         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
15399
15400 2017-05-15  Martin Liska  <mliska@suse.cz>
15401
15402         PR driver/31468
15403         * gcc.c (process_command): Do not allow empty argument of -o option.
15404
15405 2017-05-15  Renlin Li  <renlin.li@arm.com>
15406
15407         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
15408         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
15409         * config/aarch64/constraints.md (Usf): Add long call check.
15410         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
15411         (call_value): Likewise.
15412         (sibcall): Likewise.
15413         (sibcall_value): Likewise.
15414         (call_insn): New.
15415         (call_value_insn): New.
15416         (sibcall_insn): Update rtx pattern.
15417         (sibcall_value_insn): Likewise.
15418         (call_internal): Remove.
15419         (call_value_internal): Likewise.
15420         (sibcall_internal): Likewise.
15421         (sibcall_value_internal): Likewise.
15422         (call_reg): Likewise.
15423         (call_symbol): Likewise.
15424         (call_value_reg): Likewise.
15425         (call_value_symbol): Likewise.
15426
15427 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
15428
15429         PR target/80600
15430         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
15431
15432 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
15433
15434         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
15435         compatible with CCGOCmode and with CCZmode.
15436
15437 2017-05-14  Martin Sebor  <msebor@redhat.com>
15438
15439         PR middle-end/77671
15440         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
15441         (gimple_fold_builtin_snprintf): Same.
15442         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
15443         (gimple_fold_builtin_snprintf): Same.
15444         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
15445         of character types.
15446         (is_call_safe): New function.
15447         (try_substitute_return_value): Call it.
15448         (try_simplify_call): New function.
15449         (pass_sprintf_length::handle_gimple_call): Call it.
15450
15451 2017-05-14  Martin Sebor  <msebor@redhat.com>
15452
15453         PR middle-end/80669
15454         * builtins.c (expand_builtin_stpncpy): Simplify.
15455
15456 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
15457
15458         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
15459         * config/i386/i386.h
15460         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
15461         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
15462         (struct machine_function): Add new members call_ms2sysv,
15463         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
15464         (struct machine_frame_state): New fields sp_realigned and
15465         sp_realigned_offset.
15466         * config/i386/i386.c
15467         (enum xlogue_stub): New enum.
15468         (enum xlogue_stub_sets): New enum.
15469         (class xlogue_layout): New class.
15470         (struct ix86_frame): New fields stack_realign_allocate_offset,
15471         stack_realign_offset and outlined_save_offset.  Modify comments to
15472         detail stack layout when using out-of-line stubs.
15473         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
15474         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
15475         -mcall-ms2sysv-xlogues.
15476         (stub_managed_regs): New static variable.
15477         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
15478         registers managed by out-of-line stub.
15479         (disable_call_ms2sysv_xlogues): New function.
15480         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
15481         m->call_ms2sysv when appropriate and compute frame layout for
15482         out-of-line stubs.
15483         (sp_valid_at, fp_valid_at): New inline functions.
15484         (choose_basereg): New function.
15485         (choose_baseaddr): Add align parameter, use choose_basereg and modify
15486         all callers.
15487         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
15488         Use align parameter of choose_baseaddr to generated aligned SSE movs
15489         when possible.
15490         (pro_epilogue_adjust_stack): Modify to track
15491         machine_frame_state::sp_realigned.
15492         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
15493         (ix86_nsaved_sseregs): Likewise.
15494         (ix86_emit_save_regs): Likewise.
15495         (ix86_emit_save_regs_using_mov): Likewise.
15496         (ix86_emit_save_sse_regs_using_mov): Likewise.
15497         (get_scratch_register_on_entry): Likewise.
15498         (gen_frame_set): New function.
15499         (gen_frame_load): Likewise.
15500         (gen_frame_store): Likewise.
15501         (emit_outlined_ms2sysv_save): Likewise.
15502         (emit_outlined_ms2sysv_restore): Likewise.
15503         (ix86_expand_prologue): Modify stack re-alignment code and call
15504         emit_outlined_ms2sysv_save when appropriate.
15505         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
15506         parameter rtx_insn *insn, which allows the function to be used to only
15507         generate the notes.
15508         (ix86_expand_epilogue): Modify validity checks of frame and stack
15509         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
15510         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
15511         * config/i386/predicates.md
15512         (save_multiple): New predicate.
15513         (restore_multiple): Likewise.
15514         * config/i386/sse.md
15515         (save_multiple<mode>): New pattern.
15516         (save_multiple_realign<mode>): Likewise.
15517         (restore_multiple<mode>): Likewise.
15518         (restore_multiple_and_return<mode>): Likewise.
15519         (restore_multiple_leave_return<mode>): Likewise.
15520         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
15521
15522 2017-05-14  Julia Koval  <julia.koval@intel.com>
15523
15524         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
15525         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
15526         (__builtin_ia32_xsetbv): New builtins.
15527         * config/i386/i386.c (ix86_expand_special_args_builtin):
15528         Process new types.
15529         (ix86_expand_builtin): Special expand for new intrinsics.
15530         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
15531         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
15532         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
15533
15534 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15535
15536         * cfganal.c (inverted_post_order_compute): Change argument type
15537         to vec *.
15538         * cfganal.h (inverted_post_order_compute): Adjust prototype.
15539         * df-core.c (rest_of_handle_df_initialize): Adjust.
15540         (rest_of_handle_df_finish): Likewise.
15541         (df_analyze_1): Likewise.
15542         (df_analyze): Likewise.
15543         (loop_inverted_post_order_compute): Change argument to be a vec *.
15544         (df_analyze_loop): Adjust.
15545         (df_get_n_blocks): Likewise.
15546         (df_get_postorder): Likewise.
15547         * df.h (struct df_d): Change field to be a vec.
15548         * lcm.c (compute_laterin): Adjust.
15549         (compute_available): Likewise.
15550         * lra-lives.c (lra_create_live_ranges_1): Likewise.
15551         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15552         * tree-ssa-pre.c (compute_antic): Likewise.
15553
15554 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15555
15556         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
15557         (depth_first_search::depth_first_search): Change structure init
15558         function to this constructor.
15559         (depth_first_search::add_bb): Rename function to this member.
15560         (depth_first_search::execute): Likewise.
15561         (flow_dfs_compute_reverse_finish): Adjust.
15562
15563 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15564
15565         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
15566         (longest_simple_path): Likewise.
15567         * shrink-wrap.c (spread_components): Likewise.
15568         (disqualify_problematic_components): Likewise.
15569         (emit_common_heads_for_components): Likewise.
15570         (emit_common_tails_for_components): Likewise.
15571         (insert_prologue_epilogue_for_components): Likewise.
15572
15573 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15574
15575         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
15576         auto_sbitmap.
15577
15578 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15579
15580         * df-core.c (df_set_blocks): Start using auto_bitmap.
15581         (df_compact_blocks): Likewise.
15582         * df-problems.c (df_rd_confluence_n): Likewise.
15583         * df-scan.c (df_insn_rescan_all): Likewise.
15584         (df_process_deferred_rescans): Likewise.
15585         (df_update_entry_block_defs): Likewise.
15586         (df_update_exit_block_uses): Likewise.
15587         (df_entry_block_bitmap_verify): Likewise.
15588         (df_exit_block_bitmap_verify): Likewise.
15589         (df_scan_verify): Likewise.
15590         * lra-constraints.c (lra_constraints): Likewise.
15591         (undo_optional_reloads): Likewise.
15592         (lra_undo_inheritance): Likewise.
15593         * lra-remat.c (calculate_gen_cands): Likewise.
15594         (do_remat): Likewise.
15595         * lra-spills.c (assign_spill_hard_regs): Likewise.
15596         (spill_pseudos): Likewise.
15597         * tree-ssa-pre.c (bitmap_set_and): Likewise.
15598         (bitmap_set_subtract_values): Likewise.
15599
15600 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15601
15602         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
15603         management with auto_bitmap.
15604         (fix_inter_tick): Likewise.
15605         (fix_recovery_deps): Likewise.
15606         * ira.c (add_store_equivs): Likewise.
15607         (find_moveable_pseudos): Likewise.
15608         (split_live_ranges_for_shrink_wrap): Likewise.
15609         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
15610         (rtx_reuse_manager::seen_def_p): Likewise.
15611         (rtx_reuse_manager::set_seen_def): Likewise.
15612         * print-rtl.h (class rtx_reuse_manager): Likewise.
15613
15614 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15615
15616         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
15617         lifetime.
15618         (migrate_btr_def): Likewise.
15619         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
15620         * df-core.c (loop_post_order_compute): Likewise.
15621         (loop_inverted_post_order_compute): Likewise.
15622         * hsa-common.h: Likewise.
15623         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
15624         * init-regs.c (initialize_uninitialized_regs): Likewise.
15625         * ipa-inline.c (resolve_noninline_speculation): Likewise.
15626         (inline_small_functions): Likewise.
15627         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
15628         * ira.c (combine_and_move_insns): Likewise.
15629         (build_insn_chain): Likewise.
15630         * loop-invariant.c (find_invariants): Likewise.
15631         * lower-subreg.c (propagate_pseudo_copies): Likewise.
15632         * predict.c (tree_predict_by_opcode): Likewise.
15633         (predict_paths_leading_to): Likewise.
15634         (predict_paths_leading_to_edge): Likewise.
15635         (estimate_loops_at_level): Likewise.
15636         (estimate_loops): Likewise.
15637         * shrink-wrap.c (try_shrink_wrapping): Likewise.
15638         (spread_components): Likewise.
15639         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
15640         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
15641         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
15642         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
15643         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
15644         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15645         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
15646         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
15647         (mark_threaded_blocks): Likewise.
15648         (thread_through_all_blocks): Likewise.
15649         * tree-ssa.c (verify_ssa): Likewise.
15650         (execute_update_addresses_taken): Likewise.
15651         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
15652
15653 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15654
15655         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
15656         auto_vec.
15657         (post_order_compute): Likewise.
15658         (inverted_post_order_compute): Likewise.
15659         (pre_and_rev_post_order_compute_fn): Likewise.
15660
15661 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15662
15663         * genrecog.c (int_set::int_set): Explicitly construct our
15664         auto_vec base class.
15665         * vec.h (auto_vec::auto_vec): New constructor.
15666
15667 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15668
15669         * bitmap.h (class auto_bitmap): New constructor taking
15670         bitmap_obstack * argument.
15671
15672 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15673
15674         * bitmap.h (class auto_bitmap): Change type of m_bits to
15675         bitmap_head, and adjust ctor / dtor and member operators.
15676
15677 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
15678
15679         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
15680         when returned register mode doesn't match original mode.
15681
15682 2017-05-12  Jeff Law  <law@redhat.com>
15683             Jakub Jelinek  <jakub@redhat.com>
15684
15685         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
15686         we look for cc setter after the compare-elim changes.
15687         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
15688         within the vector to match what compare-elim now expects.
15689         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
15690         (xorsi3_flags, one_cmplsi2_flags): Likewise.
15691
15692         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
15693         after the compare-elim changes.
15694         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
15695         the vector to match what compare-elim now expects.
15696         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
15697         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
15698         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
15699         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
15700         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
15701
15702         * config/visium/visium.c (single_set_and_flags): Fix where
15703         we look for cc setter after the compare-elim changes.
15704         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
15705         with the vector to match what compare-elim now expects.
15706         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
15707         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
15708         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
15709         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
15710         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
15711         (neg<mode>2_insn_set_overflow): Likewise.
15712
15713 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
15714
15715         PR middle-end/79794
15716         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
15717         maybe_expand_insn call, set ops[0].target.  If still set after call,
15718         set alt_rtl.  Add extra arg to recursive calls.
15719         (extract_bit_field): Add alt_rtl argument.  Pass to
15720         extract_bit_field.
15721         * expmed.h (extract_bit_field): Fix prototype.
15722         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
15723         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
15724         to extract_bit_field_calls.
15725         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
15726         Pass alt_rtl to extract_bit_field calls.
15727         * calls.c (store_unaligned_arguments_into_psuedos)
15728         load_register_parameters): Pass extra NULL to extract_bit_field calls.
15729         * optabs.c (maybe_legitimize_operand): Clear op->target when call
15730         gen_reg_rtx.
15731         * optabs.h (struct expand_operand): Add target bitfield.
15732
15733 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15734
15735         * compare-elim.c (try_eliminate_compare): Canonicalize
15736         operation with embedded compare to
15737         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
15738          (set (reg) (operation)].
15739
15740         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
15741
15742 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15743
15744         PR target/80723
15745         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
15746         cost of adding a carry flag for ADC instruction.
15747         [case MINUS]: Ignore the cost of subtracting a carry flag
15748         for SBB instruction.
15749
15750 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
15751
15752         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
15753         and x86intrin.h
15754         * config/rs6000/bmiintrin.h: New file.
15755         * config/rs6000/bmi2intrin.h: New file.
15756         * config/rs6000/x86intrin.h: New file.
15757
15758 2017-05-12  Jeff Law  <law@redhat.com>
15759
15760         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
15761         markers.
15762
15763 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
15764
15765         PR middle-end/80707
15766         * tree-cfg.c: Remove cfg edges of unreachable case statements.
15767
15768 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15769
15770         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
15771         early expansion of vector divide builtins.
15772         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
15773         builtins identified as having unsigned arguments.
15774
15775 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15776
15777         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
15778         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
15779         expansion of vector logical operations (and, andc, or, xor,
15780         nor, orc, nand).
15781
15782 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15783
15784         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
15785         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
15786
15787 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15788
15789         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
15790         early GIMPLE expansion of vector multiplies.
15791
15792 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15793
15794         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
15795         TARGET_HAVE_MOVT conditional.
15796         (movt splitter): Likewise.
15797
15798 2017-05-12  Richard Biener  <rguenther@suse.de>
15799
15800         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
15801         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15802         Fold all stmts not inplace.
15803
15804 2017-05-12  Richard Biener  <rguenther@suse.de>
15805
15806         PR tree-optimization/80713
15807         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
15808         inserted_exprs bit for not removed stmts.
15809
15810 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
15811
15812         PR middle-end/69921
15813         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
15814         parallelized" attribute for parallelized OpenACC kernels.
15815         * omp-offload.c (execute_oacc_device_lower): Use it.
15816
15817         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
15818         Set "oacc kernels" attribute.
15819         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
15820         parameter.  Adjust all users.
15821         (oacc_fn_attrib_kernels_p): Remove function.
15822         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
15823         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
15824         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
15825         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
15826         assert "oacc kernels" attribute is set.
15827
15828 2017-05-11  Carl Love  <cel@us.ibm.com>
15829
15830         * config/rs6000/rs6000-c: Add support for built-in functions
15831         vector unsigned char vec_popcnt (vector signed char)
15832         vector unsigned char vec_popcnt (vector unsigned char)
15833         vector unsigned short vec_popcnt (vector signed short)
15834         vector unsigned short vec_popcnt (vector unsigned short)
15835         vector unsigned int vec_popcnt (vector signed int)
15836         vector unsigned int vec_popcnt (vector unsigned int)
15837         vector unsigned long long vec_popcnt (vector signed long long)
15838         vector unsigned long long vec_popcnt (vector unsigned long long)
15839         vector signed long long vec_slo (vector signed long long,
15840                                          vector signed char)
15841         vector signed long long vec_slo (vector signed long long,
15842                                          vector unsigned char)
15843         vector unsigned long long vec_slo (vector unsigned long long,
15844                                            vector signed char)
15845         vector unsigned long long vec_slo (vector unsigned long long,
15846                                            vector unsigned char)
15847         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
15848         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
15849         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
15850         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
15851         * doc/extend.texi: Update the built-in documentation file for the
15852         new built-in functions.
15853
15854 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
15855
15856         * attribs.h (sorted_attr_string): Move machine independent
15857         functions for target clone support from the i386 port to common
15858         code.  Rename ix86_function_versions to common_function_versions.
15859         Rename make_name to make_unique_name.
15860         (common_function_versions): Likewise.
15861         (make_unique_name): Likewise.
15862         (make_dispatcher_decl): Likewise.
15863         (is_function_default_version): Likewise.
15864         * attribs.c (attr_strcmp): Likewise.
15865         (sorted_attr_string): Likewise.
15866         (common_function_versions): Likewise.
15867         (make_unique_name): Likewise.
15868         (make_dispatcher_decl): Likewise.
15869         (is_function_default_version): Likewise.
15870         * config/i386/i386.c (attr_strcmp): Likewise.
15871         (sorted_attr_string): Likewise.
15872         (ix86_function_versions): Likewise.
15873         (make_name): Likewise.
15874         (make_dispatcher_decl): Likewise.
15875         (is_function_default_version): Likewise.
15876         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
15877
15878 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15879
15880         PR target/80695
15881         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
15882         Account for direct move costs for vec_construct of integer
15883         vectors.
15884
15885 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
15886
15887         PR target/80706
15888         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
15889         (UNSPEC_STX_ATOMIC): Ditto.
15890         (loaddi_via_sse): New insn.
15891         (storedi_via_sse): Ditto.
15892         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
15893         Update corresponding peephole2 patterns.
15894         (atomic_storedi_fpu): Ditto.
15895
15896 2017-05-11  Julia Koval  <julia.koval@intel.com>
15897
15898         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
15899         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
15900         New intrinsics.
15901         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
15902         (__builtin_ia32_rsqrt14ss_mask): New builtins.
15903         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
15904
15905 2017-05-11  Nathan Sidwell  <nathan@acm.org>
15906
15907         * graphite-poly.c: Include dumpfile.h.
15908
15909         * dumpfle.h (dump_function): Declare here ...
15910         * tree-dump.h (dump_function): ... not here.
15911         * dumpfile.c: #include tree-cfg.h.
15912         (dump_function): Move here from ...
15913         * tree-dump.c (dump_function): ... here.
15914         * gimplify.c: #include splay-tree.h, not tree-dump.h.
15915         * graphite-poly.c: Don't include tree-dump.h.
15916         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
15917         * print-tree.c: Likewise.
15918         * stor-layout.c: Likewise.
15919         * tree-nested.c: Likewise.
15920
15921         * dumpfile.c (dump_start): Use TDF_FLAGS.
15922         (dump_enable_all): Fix TDF_KIND check thinko.
15923
15924 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15925
15926         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
15927         array entries to represent two legal parameterizations of the
15928         overloaded __builtin_cmpb function, as represented by the
15929         P6_OV_BUILTIN_CMPB constant.
15930         (altivec_resolve_overloaded_builtin): Add special case handling
15931         for the __builtin_cmpb function, as represented by the
15932         P6_OV_BUILTIN_CMPB constant.
15933         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
15934         (BU_P6_64BIT_2): New macro.
15935         (BU_P6_OVERLOAD_2): New macro
15936         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
15937         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
15938         (CMPB): Add overload support to represent both 32-bit and 64-bit
15939         compare-bytes function.
15940         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15941         support for TARGET_CMPB.
15942         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
15943         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
15944         documentation of the __builtin_cmpb overloaded built-in function.
15945
15946 2017-05-11  Richard Biener  <rguenther@suse.de>
15947
15948         PR tree-optimization/80705
15949         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
15950         bases are not vectorizable.
15951
15952 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15953
15954         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
15955         when counting register pressure.
15956
15957 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15958
15959         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
15960         (iv_ca_more_deps): Renamed to ...
15961         (iv_ca_compare_deps): ... this.
15962         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
15963
15964 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15965
15966         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
15967         to ...
15968         (determine_group_iv_costs): ... here.
15969         (find_inv_vars_cb): Record inv var if it's not recorded before.
15970
15971 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15972
15973         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
15974         (get_shiftadd_cost): Ditto.
15975
15976 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15977
15978         * tree-ssa-address.c: Include header file.
15979         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
15980         address.
15981         (add_to_parts): Refactor.
15982         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
15983         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
15984         in new order.
15985
15986 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15987
15988         PR tree-optimization/53090
15989         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
15990         COMP_IV_EXPR_2.
15991         (extract_cond_operands): Detect condition with IV on both sides
15992         and return COMP_IV_EXPR_2.
15993         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
15994         (rewrite_use_compare): Simplify by removing call to function
15995         extract_cond_operands.
15996
15997 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15998
15999         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
16000         (extract_cond_operands): Detect condition comparing against non-
16001         invariant bound and return appropriate enum value.
16002         (find_interesting_uses_cond): Update use of extract_cond_operands.
16003         Handle its return value accordingly.
16004         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
16005
16006 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16007
16008         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
16009         nonlinear iv_use computation in loop invariant sensitive way.
16010
16011 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16012
16013         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
16014         (find_iv_candidates): Call relate_compare_use_with_all_cands.
16015
16016 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16017
16018         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
16019         (dump_cand): Support iv_cand.inv_exprs.
16020         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
16021         for candidates.
16022         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
16023         iv_cand.inv_exprs.
16024
16025 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16026
16027         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
16028         from ...
16029         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
16030         as local function.  Include necessary header files.
16031         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
16032
16033 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16034
16035         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
16036
16037 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16038
16039         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
16040         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
16041         RSHIFT_EXPR and BIT_NOT_EXPR.
16042
16043 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16044
16045         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
16046         (adjust_setup_cost): New parameter supporting round up adjustment.
16047         (struct address_cost_data): Delete.
16048         (force_expr_to_var_cost): Don't bound cost with spill_cost.
16049         (split_address_cost, ptr_difference_cost): Delete.
16050         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
16051         (struct ainc_cost_data): New struct.
16052         (get_address_cost_ainc): New function.
16053         (get_address_cost, get_computation_cost): Reimplement.
16054         (determine_group_iv_cost_address): Record inv_expr for all uses of
16055         a group.
16056         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
16057         (iv_ca_has_deps): Reimplemented to ...
16058         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
16059         than OLD_CP.
16060         (iv_ca_extend): Call iv_ca_more_deps.
16061
16062 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16063
16064         * tree-ssa-address.c (struct mem_address): Move to header file.
16065         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
16066         * tree-ssa-address.h (struct mem_address): Move from C file.
16067         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
16068
16069 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16070
16071         * tree-affine.h (aff_combination_type): New interface.
16072         (aff_combination_zero_p): Remove static.
16073         (aff_combination_const_p): New interface.
16074         (aff_combination_singleton_var_p): New interfaces.
16075
16076 2017-05-11  Richard Biener  <rguenther@suse.de>
16077
16078         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16079         Skip unreachable blocks and destinations.
16080         (eliminate): Move stmt removal and fixup ...
16081         (fini_eliminate): ... here.  Skip inserted exprs.
16082         (pass_pre::execute): Move fini_pre after fini_eliminate.
16083         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
16084         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
16085         PRE to get rid of dead code that has invalid SSA form and
16086         split critical edges again.
16087
16088 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16089
16090         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16091
16092 2017-05-11  Richard Biener  <rguenther@suse.de>
16093
16094         * passes.c (execute_function_todo): Verify loops if they are
16095         said to be up-to-date.
16096         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
16097         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
16098
16099 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
16100
16101         PR target/80090
16102         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
16103         handle calling assemble_external ourself.
16104
16105         PR target/79027
16106         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
16107         modes with zero size.  Enhance comment.
16108
16109 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16110
16111         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
16112         built-ins for vec_xl and vec_xst with short and char pointer
16113         arguments.
16114
16115 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16116
16117         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
16118         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
16119         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
16120         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
16121         (_mm_maskz_min_round_ss): New intrinsics.
16122         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
16123         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
16124         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
16125         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
16126         (__builtin_ia32_minss_mask_round): New builtins.
16127         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16128         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16129         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
16130         Rename to ...
16131         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
16132         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
16133         Change to ...
16134         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
16135         ... this.
16136
16137 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16138
16139         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
16140         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
16141         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
16142         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
16143         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
16144         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
16145         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
16146         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16147         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
16148         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
16149         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
16150         (__builtin_ia32_mulss_mask_round): New builtins.
16151         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16152         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16153         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
16154         Rename to ...
16155         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
16156         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
16157         Change to ...
16158         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
16159         ... this.
16160
16161 2017-05-10  Julia Koval  <julia.koval@intel.com>
16162
16163         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
16164         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
16165         (_mm256_setr_m128i): New intrinsics.
16166
16167 2017-05-10  Julia Koval  <julia.koval@intel.com>
16168
16169         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
16170         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
16171         (_mm_maskz_rcp14_ss): New intrinsics.
16172         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
16173         (__builtin_ia32_rcp14ss_mask): New builtins.
16174         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
16175
16176 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
16177
16178         PR tree-optimization/51513
16179         * tree-cfg.c (gimple_seq_unreachable_p): New function.
16180         (assert_unreachable_fallthru_edge_p): Use it.
16181         (group_case_labels_stmt): Likewise.
16182         * tree-cfg.h: Prototype it.
16183         * stmt.c: Include cfghooks.h and tree-cfg.h.
16184         (emit_case_dispatch_table) <gap_label>: New local variable.
16185         Use it to fill dispatch table gaps.
16186         Test for default_label before updating probabilities.
16187         (expand_case) <default_label>: Remove unneeded initialization.
16188         Test for unreachable default case statement and remove its edge.
16189         Set default_label accordingly.
16190         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
16191
16192 2017-05-10  Carl Love  <cel@us.ibm.com>
16193
16194         * config/rs6000/rs6000-c: Add support for built-in functions
16195         vector signed char      vec_neg (vector signed char)
16196         vector signed short int vec_neg (vector short int)
16197         vector signed int       vec_neg (vector signed int)
16198         vector signed long long vec_neg (vector signed long long)
16199         vector float            vec_neg (vector float)
16200         vector double           vec_neg (vector double)
16201         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
16202         overload.
16203         * config/rs6000/altivec.h: Add define for vec_neg
16204         * doc/extend.texi: Update the built-in documentation for the
16205         new built-in functions.
16206
16207 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16208
16209         PR tree-optimization/77644
16210         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
16211
16212 2017-05-10  Nathan Sidwell  <nathan@acm.org>
16213
16214         * dumpfile.h (TDI_lang_all): New.
16215         (TDF_KIND): New. Renumber others
16216         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
16217         than bits.
16218         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
16219         lang-all.
16220         (get_dump_file_name): Adjust suffix generation.
16221         (dump_enable_all): Use TDF_KIND.
16222         * doc/invoke.texi (-fdump-lang-all): Document.
16223
16224         * dumpfile.h: Tabify.
16225
16226 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
16227
16228         PR target/80671
16229         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
16230         Move member access before delete.
16231
16232 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
16233
16234         * tree-inline.c (expand_call_inline): Split block at stmt
16235         before the call.
16236
16237 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
16238
16239         PR target/68163
16240         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
16241         are now unused after splitting mov{sf,sd}_hardfloat.
16242         (f32_lr2): Likewise.
16243         (f32_lm): Likewise.
16244         (f32_lm2): Likewise.
16245         (f32_li): Likewise.
16246         (f32_li2): Likewise.
16247         (f32_lv): Likewise.
16248         (f32_sr): Likewise.
16249         (f32_sr2): Likewise.
16250         (f32_sm): Likewise.
16251         (f32_sm2): Likewise.
16252         (f32_si): Likewise.
16253         (f32_si2): Likewise.
16254         (f32_sv): Likewise.
16255         (f32_dm): Likewise.
16256         (f32_vsx): Likewise.
16257         (f32_av): Likewise.
16258         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
16259         For movsf, order stores so the VSX stores occur before the GPR
16260         store which encourages the register allocator to use a traditional
16261         FPR instead of a GPR.  For movsd, order the stores so that the GPR
16262         store comes before the VSX stores to allow the power6 to work.
16263         This is due to the power6 not having a 32-bit integer store
16264         instruction from a FPR.
16265         (movsf_hardfloat): Likewise.
16266         (movsd_hardfloat): Likewise.
16267
16268 2017-05-09  Martin Sebor  <msebor@redhat.com>
16269
16270         PR translation/80280
16271         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
16272         added in r247778.
16273
16274         PR translation/80280
16275         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
16276         data member added in r247778.
16277         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
16278
16279 2017-05-09  Nathan Sidwell  <nathan@acm.org>
16280
16281         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
16282
16283         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
16284         typedefs.
16285
16286 2017-05-09  Marek Polacek  <polacek@redhat.com>
16287
16288         * doc/invoke.texi: Fix typo.
16289
16290 2017-05-09  Richard Biener  <rguenther@suse.de>
16291
16292         * tree-vrp.c (vrp_val_is_max): Adjust comment.
16293         (vrp_val_is_min): Likewise.
16294         (set_value_range_to_value): Likewise.
16295         (set_value_range_to_nonnegative): Likewise.
16296         (gimple_assign_nonzero_p): Likewise.
16297         (gimple_stmt_nonzero_p): Likewise.
16298         (vrp_int_const_binop): Likewise.  Remove unreachable case.
16299         (adjust_range_with_scev): Adjust comments.
16300         (compare_range_with_value): Likewise.
16301         (extract_range_from_phi_node): Likewise.
16302         (test_for_singularity): Likewise.
16303
16304 2017-05-09  Richard Biener  <rguenther@suse.de>
16305
16306         * tree-vrp.c (get_single_symbol): Add assert that we don't
16307         get overflowed constants as invariant part.
16308         (compare_values_warnv): Add comment before the TREE_NO_WARNING
16309         checks.  Use wi::cmp instead of recursing for integer constants.
16310         (compare_values): Just ignore whether we assumed undefined
16311         overflow instead of failing the compare.
16312         (extract_range_for_var_from_comparison_expr): Add comment before the
16313         TREE_NO_WARNING sets.
16314         (test_for_singularity): Likewise.
16315         (extract_range_from_comparison): Do not disable optimization
16316         when we assumed undefined overflow.
16317         (extract_range_basic): Remove init of unused var.
16318
16319 2017-05-09  Richard Biener  <rguenther@suse.de>
16320
16321         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
16322         (extract_range_from_multiplicative_op_1): Adjust.
16323         (extract_range_from_binary_expr_1): Use int_const_binop.
16324
16325 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16326
16327         PR target/80101
16328         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
16329         rs6000_store_data_bypass_p in seven define_bypass directives and
16330         in several comments.
16331         * config/rs6000/rs6000-protos.h: Add prototype for
16332         rs6000_store_data_bypass_p function.
16333         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
16334         function implements slightly different (rs6000-specific) semantics
16335         than store_data_bypass_p, returning false rather than aborting
16336         with assertion error when arguments do not satisfy the
16337         requirements of store data bypass.
16338         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
16339         rs6000_store_data_bypass_p.
16340
16341 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
16342
16343         * config/xtensa/xtensa-protos.h
16344         (xtensa_initial_elimination_offset): New declaration.
16345         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
16346         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
16347         macro definition, add case for FRAME_POINTER_REGNUM when
16348         FRAME_GROWS_DOWNWARD.
16349         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
16350         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
16351         xtensa_initial_elimination_offset.
16352
16353 2017-05-08  Nathan Sidwell  <nathan@acm.org>
16354
16355         * doc/invoke.texi: Alphabetize -fdump options.
16356
16357 2017-05-08  Martin Sebor  <msebor@redhat.com>
16358
16359         PR translation/80280
16360         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
16361
16362 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16363
16364         * target.def (compute_frame_layout): New optional target hook.
16365         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
16366         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
16367         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
16368         target hook.
16369         * reload1.c (verify_initial_elim_offsets): Likewise.
16370         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
16371         (use_simple_return_p): Call arm_compute_frame_layout if needed.
16372         (arm_get_frame_offsets): Split up into this ...
16373         (arm_compute_frame_layout): ... and this function.
16374
16375 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
16376
16377         * config/aarch64/constraints.md (Usa): New constraint.
16378         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
16379
16380 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16381
16382         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
16383         with_multilib_list after it has been checked.
16384
16385 2017-05-08  Richard Biener  <rguenther@suse.de>
16386
16387         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
16388         (bitmap_set_subtract_values): Likewise.
16389
16390 2017-05-08  Richard Biener  <rguenther@suse.de>
16391
16392         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
16393         (gimple_assign_nonzero): ... this and remove strict_overflow_p
16394         argument.
16395         (gimple_stmt_nonzero_warnv_p): Rename to ...
16396         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
16397         argument.
16398         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
16399         (extract_range_basic): Adjust, do not disable propagation on
16400         strict overflow sensitive simplification.
16401         (vrp_visit_cond_stmt): Likewise.
16402
16403 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
16404
16405         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
16406         body size unconditionally.
16407
16408 2017-05-07  Jeff Law  <law@redhat.com>
16409
16410         Revert:
16411         2017-05-06  Jeff Law  <law@redhat.com>
16412         PR tree-optimization/78496
16413         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16414         code.
16415
16416         PR tree-optimization/78496
16417         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16418         (simplify_stmt_using_ranges): Call it.
16419         (vrp_dom_walker::before_dom_children): Extract equivalences
16420         from an ASSERT_EXPR with an equality comparison against a
16421         constant.
16422
16423 2017-05-06  Jeff Law  <law@redhat.com>
16424
16425         PR tree-optimization/78496
16426         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16427         code.
16428
16429         PR tree-optimization/78496
16430         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16431         (simplify_stmt_using_ranges): Call it.
16432         (vrp_dom_walker::before_dom_children): Extract equivalences
16433         from an ASSERT_EXPR with an equality comparison against a
16434         constant.
16435
16436 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16437
16438         * lra-constraints.c (lra_copy_reg_equiv): New function.
16439         (split_reg): Use it to copy equivalence information from the
16440         original register to the spill register.
16441
16442 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16443
16444         PR rtl-optimization/75964
16445         * simplify-rtx.c (simplify_const_relational_operation): Remove
16446         invalid handling of comparisons of integer ABS.
16447
16448 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
16449
16450         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
16451         initialize to zero.
16452         (init_regs): Remove declaration.
16453         (function_arg_advance_32): Initialize error_p as boolean variable.
16454
16455 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16456
16457         * store-motion.c (remove_reachable_equiv_notes): Reformat long
16458         lines.  Use for (;;).
16459
16460 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16461
16462         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
16463         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
16464         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
16465         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
16466         VF=2 that require versioning.
16467
16468 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16469
16470         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
16471         int.
16472
16473 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16474
16475         * diagnostic.h (diagnostic_override_option_index): Convert from
16476         macro to inline function.
16477
16478 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16479
16480         * diagnostic.c (last_module_changed_p): New function.
16481         (set_last_module): New function.
16482         (diagnostic_report_current_module): Convert macro usage to
16483         the above functions.
16484         * diagnostic.h (diagnostic_context::last_module): Strengthen
16485         from const line_map * to const line_map_ordinary *.
16486         (diagnostic_last_module_changed): Delete macro.
16487         (diagnostic_set_last_module): Delete macro.
16488
16489 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16490
16491         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
16492         with diagnostic_report_diagnostic.
16493         (diagnostic_n_impl_richloc): Likewise.
16494         * diagnostic.h (report_diagnostic): Delete macro.
16495         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
16496         with diagnostic_report_diagnostic.
16497         * substring-locations.c (format_warning_va): Likewise.
16498
16499 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16500
16501         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
16502         save/restor of format_spec.  Move option-printing code to...
16503         (print_option_information): ...this new function, and
16504         reimplement by simply printing to the pretty_printer,
16505         rather than appending to the format string.
16506
16507 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16508
16509         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
16510         handling logic into...
16511         (update_effective_level_from_pragmas): ...this new function.
16512
16513 2017-05-04  Andrew Waterman  <andrew@sifive.com>
16514
16515         * config/riscv/riscv.opt (mstrict-align): New option.
16516         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
16517         (SLOW_UNALIGNED_ACCESS): Define.
16518         (riscv_slow_unaligned_access): Declare.
16519         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
16520         field.
16521         (riscv_slow_unaligned_access): New variable.
16522         (rocket_tune_info): Set slow_unaligned_access to true.
16523         (optimize_size_tune_info): Set slow_unaligned_access to false.
16524         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
16525         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
16526         (riscv_option_override): Set riscv_slow_unaligned_access.
16527         * doc/invoke.texi: Add -mstrict-align to RISC-V.
16528
16529 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
16530
16531         * config/riscv/riscv.md: Unify indentation.
16532
16533 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
16534
16535         PR target/79038
16536         PR target/79202
16537         PR target/79203
16538         * config/rs6000/rs6000.md (u code attribute): Add FIX and
16539         UNSIGNED_FIX.
16540         (extendsi<mode>2): Add support for doing sign extension via
16541         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
16542         don't have ISA 3.0 instructions.
16543         (extendsi<mode>2 splitter): Likewise.
16544         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
16545         generate the normal insns since SImode can now go in vector
16546         registers.  Disallow the special UNSPECs needed for previous
16547         machines to hide SImode being used.  Add new insns
16548         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
16549         (fix_trunc<mode>si2_stfiwx): Likewise.
16550         (fix_trunc<mode>si2_internal): Likewise.
16551         (fixuns_trunc<mode>si2): Likewise.
16552         (fixuns_trunc<mode>si2_stfiwx): Likewise.
16553         (fctiw<u>z_<mode>_smallint): Likewise.
16554         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
16555         of floating point to 32-bit integer from doing a direct move to
16556         the GPR registers to do a store.
16557         (fctiwz_<mode>): Break long line.
16558
16559 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
16560
16561         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
16562         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
16563         (addr_list, addr_offset_valid_p): New.
16564         (split_address_groups): Check offset validity with above function.
16565         (gt-tree-ssa-loop-ivopts.h): Include header file.
16566
16567 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16568
16569         * config.gcc (arm*-*-*): Add missing 'fi'.
16570
16571 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
16572
16573         * doc/invoke.texi (-fopt-info): Explicitly say order of options
16574         included in -fopt-info does not matter.
16575         * doc/optinfo.texi (-fopt-info): Fix description of default
16576         behavour. Explicitly say order of options included in -fopt-info
16577         does not matter.
16578
16579 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16580
16581         * config.gcc: Allow combinations of aprofile and rmprofile values for
16582         --with-multilib-list.
16583         * config/arm/t-multilib: New file.
16584         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
16585         variables.  Remove setting of ISA and floating-point ABI in
16586         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
16587         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
16588         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
16589         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
16590         CPU options.
16591         * config/arm/t-rmprofile: Likewise except for the matches changes.
16592         * doc/install.texi (--with-multilib-list): Document the combination of
16593         aprofile and rmprofile values and warn about pitfalls in doing that.
16594
16595 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16596
16597         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
16598         (movdi_aarch64): Likewise.
16599
16600 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16601
16602         PR tree-optimization/80632
16603         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
16604         field.
16605         (build_arrays): Initialize it for virtual phis.
16606         (fix_phi_nodes): Use it for virtual phis.
16607
16608         PR tree-optimization/80558
16609         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
16610         [x, y] op z into [x op, y op z] for op & or | if conditions
16611         are met.
16612
16613 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16614             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16615
16616         PR target/71607
16617         * config/arm/arm.md (use_literal_pool): Remove.
16618         (64-bit immediate split): No longer takes cost into consideration
16619         if arm_disable_literal_pool is enabled.
16620         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
16621         used when arm_disable_literal_pool is enabled.
16622         (arm_max_const_double_inline_cost): Remove use of
16623         arm_disable_literal_pool.
16624         (push_minipool_fix): Add assert.
16625         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
16626         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
16627         (no_literal_pool_sf_immediate): New.
16628
16629 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16630
16631         PR tree-optimization/80613
16632         * tree-ssa-dce.c (propagate_necessity): Remove cases for
16633         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
16634
16635 2017-05-05  Richard Biener  <rguenther@suse.de>
16636
16637         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
16638
16639 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
16640
16641         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
16642         of this flag from insn conditions due to removal from r247495.
16643
16644 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16645
16646         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
16647         New function.
16648         (arm_early_store_addr_dep_ptr): Likewise.
16649         * config/arm/aarch-common-protos.h
16650         (arm_early_load_addr_dep_ptr): Add prototype.
16651         (arm_early_store_addr_dep_ptr): Likewise.
16652         * config/arm/cortex-a53.md: Add new bypasses.
16653
16654 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16655
16656         * tree.c (next_type_uid): Change type to unsigned.
16657         (type_hash_canon): Decrement back next_type_uid if
16658         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
16659         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
16660         if possible.
16661
16662 2017-05-04  Martin Sebor  <msebor@redhat.com>
16663
16664         * builtins.c: Fix a trivial typo in a comment.
16665
16666         PR middle-end/79234
16667         * builtins.c (check_sizes): Adjust to handle reading past the end.
16668         Avoid printing excessive upper bound of ranges.  Use %E to print
16669         tree nodes instead of converting them to %wu.
16670         (expand_builtin_memchr): New function.
16671         (compute_dest_size): Rename...
16672         (compute_objsize): ...to this.
16673         (expand_builtin_memcpy): Adjust.
16674         (expand_builtin_mempcpy): Adjust.
16675         (expand_builtin_strcat): Adjust.
16676         (expand_builtin_strcpy): Adjust.
16677         (check_strncat_sizes): Adjust.
16678         (expand_builtin_strncat): Adjust.
16679         (expand_builtin_strncpy): Adjust and simplify.
16680         (expand_builtin_memset): Adjust.
16681         (expand_builtin_bzero): Adjust.
16682         (expand_builtin_memcmp): Adjust.
16683         (expand_builtin): Handle memcmp.
16684         (maybe_emit_chk_warning): Check strncat just once.
16685
16686 2017-05-04  Martin Sebor  <msebor@redhat.com>
16687
16688         PR preprocessor/79214
16689         PR middle-end/79222
16690         PR middle-end/79223
16691         * builtins.c (check_sizes): Add inlining context and issue
16692         warnings even when -Wno-system-headers is set.
16693         (check_strncat_sizes): Same.
16694         (expand_builtin_strncat): Same.
16695         (expand_builtin_memmove): New function.
16696         (expand_builtin_stpncpy): Same.
16697         (expand_builtin): Handle memmove and stpncpy.
16698
16699 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
16700
16701         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
16702         which is not used any more.
16703
16704 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16705
16706         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
16707
16708 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16709
16710         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
16711         (cortexa53_tunings): Likewise.
16712         (cortexa57_tunings): Likewise.
16713         (cortexa72_tunings): Likewise.
16714         (cortexa73_tunings): Likewise.
16715
16716 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16717
16718         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
16719         Set loop alignment to 8.
16720
16721 2017-05-04  Martin Sebor  <msebor@redhat.com>
16722
16723         PR translation/80280
16724         * builtins.c (expand_builtin_object_size): Add missing quoting to
16725         %D and like directives.
16726         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
16727         (hsa_type_for_tree_type): Same.
16728         (verify_function_arguments): Same.
16729         * symtab.c (symbol_table::change_decl_assembler_name): Same.
16730         * varasm.c (get_section): Same.
16731         (mark_weak): Same.
16732
16733 2017-05-04  Martin Sebor  <msebor@redhat.com>
16734
16735         PR translation/80280
16736         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
16737
16738 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16739
16740         * config/aarch64/aarch64.c (generic_addrcost_table):
16741         Change HI/TI mode setting.
16742
16743 2017-05-04  Martin Jambor  <mjambor@suse.cz>
16744
16745         PR tree-optimization/80622
16746         * tree-sra.c (comes_initialized_p): New function.
16747         (build_accesses_from_assign): Only set write lazily when
16748         comes_initialized_p is false.
16749         (analyze_access_subtree): Use comes_initialized_p.
16750         (propagate_subaccesses_across_link): Assert !comes_initialized_p
16751         instead of testing for PARM_DECL.
16752
16753 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16754
16755         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
16756         constraint on operand 0 to allow more general addressing modes.
16757         Adjust output template.
16758         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
16759         New function.
16760         * config/aarch64/aarch64-protos.h
16761         (aarch64_address_valid_for_prefetch_p): Declare prototype.
16762         * config/aarch64/constraints.md (Dp): New address constraint.
16763         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
16764         predicate.
16765
16766 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
16767
16768         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
16769         update use of estimate_ipcp_clone_size_and_time.
16770         (estimate_local_effects): Update use of
16771         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
16772         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
16773         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
16774         Return nonspecialized time.
16775
16776 2017-05-04  Richard Biener  <rguenther@suse.de>
16777
16778         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
16779         for the last VUSE which def dominates the PHI.  Directly call
16780         maybe_skip_until.
16781         (get_continuation_for_phi_1): Remove.
16782
16783 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
16784
16785         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
16786         to explain the use of truncating division.  Cap the number of
16787         iterations to the maximum given by nb_iterations_upper_bound,
16788         if defined.
16789
16790 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16791
16792         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
16793         * configure: Regenerate.
16794         * config.in: Regenerate.
16795         * config/i386/driver-mingw32.c: new file.
16796         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
16797         * config.host: Link driver-mingw32.o on MinGW host.
16798         * doc/install.texi: Document new --enable-mingw-wildcard configure
16799         option.
16800
16801 2017-05-04  Marek Polacek  <polacek@redhat.com>
16802
16803         PR tree-optimization/80612
16804         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
16805
16806 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16807             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
16808
16809         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
16810         (movt splitter): Likewise.
16811         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
16812         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
16813         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
16814         block for Thumb-1 with MOVT.
16815         (thumb2_legitimate_address_p): Move code block ...
16816         (can_avoid_literal_pool_for_label_p): ... into this new function.
16817         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
16818         literal pool.
16819         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
16820         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
16821         "M-profile targets with the MOVT instruction".
16822
16823 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16824
16825         * config/arm/arm-builtins.c (arm_init_builtins): Rename
16826         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
16827         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
16828
16829 2017-05-04  Martin Liska  <mliska@suse.cz>
16830
16831         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
16832         variable cond_code.
16833
16834 2017-05-04  Richard Biener  <rguenther@suse.de>
16835
16836         * tree.c (array_at_struct_end_p): Handle arrays at struct
16837         end with flexarrays more conservatively.  Refactor and treat
16838         arrays of arrays or aggregates more strict.  Fix
16839         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
16840         * tree.c (array_at_struct_end_p): Adjust prototype.
16841         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
16842         * gimple-fold.c (get_range_strlen): Likewise.
16843         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
16844
16845 2017-05-04  Richard Biener  <rguenther@suse.de>
16846
16847         PR tree-optimization/31130
16848         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
16849         false.
16850         (supports_overflow_infinity): Likewise.
16851         (is_negative_overflow_infinity): Likewise.
16852         (is_positive_overflow_infinity): Likewise.
16853         (is_overflow_infinity): Likewise.
16854         (stmt_overflow_infinity): Likewise.
16855         (overflow_infinity_range_p): Likewise.
16856         (usable_range_p): Remove as always returning true.
16857         (make_overflow_infinity): Remove.
16858         (negative_overflow_infinity): Likewise.
16859         (positive_overflow_infinity): Likewise.
16860         (avoid_overflow_infinity): Likewise.
16861         (set_value_range): Adjust accordingly.
16862         (set_value_range_to_nonnegative): Likewise, remove now unused
16863         overflow_infinity arg.
16864         (vrp_operand_equal_p): Adjust.
16865         (update_value_range): Likewise.
16866         (range_int_cst_singleton_p): Likewise.
16867         (operand_less_p): Likewise.
16868         (compare_values_warnv): Likewise.
16869         (extract_range_for_var_from_comparison_expr): Likewise.
16870         (vrp_int_const_binop): Likewise.
16871         (zero_nonzero_bits_from_vr): Likewise.
16872         (extract_range_from_multiplicative_op_1): Likewise.
16873         (extract_range_from_binary_expr_1): Likewise.
16874         (extract_range_from_unary_expr): Likewise.
16875         (extract_range_from_comparison): Likewise.
16876         (extract_range_basic): Likewise.
16877         (adjust_range_with_scev): Likewise.
16878         (compare_ranges): Likewise.
16879         (compare_range_with_value): Likewise.
16880         (dump_value_range): Likewise.
16881         (test_for_singularity): Likewise, remove strict_overflow_p parameter
16882         never used.
16883         (simplify_cond_using_ranges): Adjust.
16884
16885 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
16886
16887         * brig-builtins.def: Added a builtin for class_f64.
16888         * builtin-types.def: Added a builtin type needed by class_f64.
16889
16890 2017-05-03  Jason Merrill  <jason@redhat.com>
16891
16892         * timevar.def: Add TV_CONSTEXPR.
16893
16894 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16895
16896         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
16897
16898 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16899
16900         * ipa-prop.c (ipa_update_after_lto_read): Removed.
16901         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
16902         * ipa-cp.c (ipcp_propagate_stage): Do not call
16903         ipa_update_after_lto_read.
16904         * ipa-inline.c (ipa_inline): Likewise.
16905
16906 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16907
16908         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
16909         tag.  Added a default constructor and a destructor.
16910         (ipa_edge_args_sum_t): New class;
16911         (ipa_edge_args_sum): Declare.
16912         (ipa_edge_args_vector): Remove declaration.
16913         (IPA_EDGE_REF): Use ipa_edge_args_sum.
16914         (ipa_free_edge_args_substructures): Remove declaration.
16915         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
16916         (ipa_edge_args_info_available_for_edge_p): Likewise.
16917         * ipa-prop.c (ipa_edge_args_vector): Removed.
16918         (edge_removal_hook_holder): Likewise.
16919         (edge_duplication_hook_holder): Likewise.
16920         (ipa_edge_args_sum): New variable.
16921         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
16922         ipa_edge_args_vector.
16923         (ipa_free_edge_args_substructures): Likewise.
16924         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
16925         ipa_edge_args_vector.
16926         (ipa_edge_removal_hook): Turned into method
16927         ipa_edge_args_sum_t::remove.
16928         (ipa_edge_duplication_hook): Turned into method
16929         ipa_edge_args_sum_t::duplicate.
16930         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
16931         registering edge hooks.
16932         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
16933         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
16934         ipa_edge_args_sum instead of ipa_edge_args_vector.
16935         * ipa-profile.c (ipa_profile): Likewise.
16936
16937 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16938
16939         * symbol-summary.h (function_summary): New method exists.
16940         (function_summary::symtab_removal): Deallocate through release.
16941         (call_summary): New class.
16942         (gt_ggc_mx): New overload.
16943         (gt_pch_nx): Likewise.
16944         (gt_pch_nx): Likewise.
16945
16946 2017-05-03  Jeff Law  <law@redhat.com>
16947
16948         PR tree-optimization/78496
16949         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
16950         from simplify_cond_using_ranges.  Split off code to walk
16951         backwards through casts into ...
16952         (simplify_cond_using_ranges_2): New function.
16953         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
16954         (execute_vrp): After identifying jump threads, call
16955         simplify_cond_using_ranges_2.
16956
16957 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
16958
16959         PR bootstrap/80609
16960         * ipa-inline.h (inline_summary): Add ctor.
16961         (create_ggc): Do not use ggc_cleared_alloc.
16962
16963 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
16964             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16965
16966         * gcc.c (handle_braces): Support escaping in switch matching
16967         text.
16968         * doc/invoke.texi (Spec Files): Document it.
16969         Remove superfluous @code markup in items.
16970
16971 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16972
16973         * diagnostic-show-locus.c (struct column_range): New struct.
16974         (get_affected_columns): New function.
16975         (get_printed_columns): New function.
16976         (struct correction): New struct.
16977         (correction::ensure_capacity): New function.
16978         (correction::ensure_terminated): New function.
16979         (struct line_corrections): New struct.
16980         (line_corrections::~line_corrections): New dtor.
16981         (line_corrections::add_hint): New function.
16982         (layout::print_trailing_fixits): Reimplement in terms of the new
16983         classes.
16984         (selftest::test_overlapped_fixit_printing): New function.
16985         (selftest::diagnostic_show_locus_c_tests): Call it.
16986
16987 2017-05-03  Nathan Sidwell  <nathan@acm.org>
16988
16989         Canonicalize canonical type hashing
16990         * tree.h (type_hash_canon_hash): Declare.
16991         * tree.c (type_hash_list, attribute_hash_list): Move into
16992         type_hash_canon_hash.
16993         (build_type_attribute_qual_variant): Break out hash code calc into
16994         type_hash_canon_hash.
16995         (type_hash_canon_hash): New.  Generic type hash computation.
16996         (build_range_type_1, build_array_type_1, build_function_type,
16997         build_method_type_directly, build_offset_type, build_complex_type,
16998         make_vector_type): Call it.
16999
17000 2017-05-03  Richard Biener  <rguenther@suse.de>
17001
17002         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
17003         When all DRs have unknown misaligned do not always peel
17004         when there is a store but apply the same costing model as if
17005         there were only loads.
17006
17007 2017-05-03  Richard Biener  <rguenther@suse.de>
17008
17009         Revert
17010         PR tree-optimization/80492
17011         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17012         compare_base_decls returning dont-know properly.
17013
17014 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17015
17016         * config/arm/iterators.md (CCSI): New mode iterator.
17017         (arch): New mode attribute.
17018         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
17019         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
17020         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
17021         code iterator for success result mode.
17022         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
17023         the corresponding new insn generators.
17024
17025 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
17026
17027         Revert r247509
17028         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17029         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17030
17031 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
17032
17033         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
17034         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
17035         (DDR_A): Wrap DDR argument in brackets.
17036         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
17037         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
17038         (DDR_REVERSED_P): Likewise.
17039
17040 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
17041
17042         PR tree-optimization/79472
17043         * tree-switch-conversion.c (struct switch_conv_info): Add
17044         contiguous_range and default_case_nonstandard fields.
17045         (collect_switch_conv_info): Compute contiguous_range and
17046         default_case_nonstandard fields, don't clear final_bb if
17047         contiguous_range and only the default case doesn't have the required
17048         structure.
17049         (check_all_empty_except_final): Set default_case_nonstandard instead
17050         of failing if contiguous_range and the default case doesn't have empty
17051         block.
17052         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
17053         and only the default case doesn't have the required constants.  Skip
17054         virtual phis.
17055         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
17056         if default_case_nonstandard.
17057         (build_constructors): Build constant 1 just once.  Assert that default
17058         values aren't inserted in between cases if contiguous_range.  Skip
17059         virtual phis.
17060         (build_arrays): Skip virtual phis.
17061         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
17062         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
17063         Handle virtual phis.
17064         (gen_inbound_check): Handle default_case_nonstandard case.
17065         (process_switch): Adjust check_final_bb caller.  Call
17066         gather_default_values with the first non-default case instead of
17067         default case if default_case_nonstandard.
17068
17069 2017-05-02  Nathan Sidwell  <nathan@acm.org>
17070
17071         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
17072         check.  Fix formatting.
17073
17074 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
17075
17076         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
17077         errors when comparing specialized and unspecialized times.
17078
17079 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
17080
17081         * diagnostic-show-locus.c
17082         (layout::should_print_annotation_line_p): Make private.
17083         (layout::print_annotation_line): Make private.
17084         (layout::annotation_line_showed_range_p): Make private.
17085         (layout::show_ruler): Make private.
17086         (layout::print_source_line): Make private.  Pass in line and
17087         line_width, rather than calling location_get_source_line.  Drop
17088         returned value.
17089         (layout::print_leading_fixits): New method.
17090         (layout::print_any_fixits): Rename to...
17091         (layout::print_trailing_fixits): ...this, and make private.
17092         Don't print newline fixits.
17093         (diagnostic_show_locus): Move logic for printing one row into...
17094         (layout::print_line): ...this new function.  Move the
17095         location_get_source_line call and error-handling from
17096         print_source_line to here.  Call print_leading_fixits, and rename
17097         print_any_fixits to print_trailing_fixits.
17098         (selftest::test_fixit_insert_containing_newline): Update now that
17099         newlines are partially supported.
17100         (selftest::test_fixit_insert_containing_newline_2): New test.
17101         (selftest::test_fixit_replace_containing_newline): Update comments.
17102         (selftest::diagnostic_show_locus_c_tests): Call the new test.
17103         * edit-context.c (class added_line): New class.
17104         (class edited_line): Describe newline handling in comment.
17105         (edited_line::actually_edited_p): New method.
17106         (edited_line::print_content): Delete redundant decl.
17107         (edited_line::m_predecessors): New field.
17108         (edited_file::print_content): Call edited_line::print_content.
17109         (edited_file::print_diff): Update to support newlines.
17110         (edited_file::print_diff_hunk): Likewise.
17111         (edited_file::print_run_of_changed_lines): New function.
17112         (edited_file::print_diff_line): Convert to...
17113         (print_diff_line): ...this.
17114         (edited_file::get_effective_line_count): New function.
17115         (edited_line::edited_line): Initialize new field m_predecessors.
17116         (edited_line::~edited_line): Clean up m_predecessors.
17117         (edited_line::apply_fixit): Handle newlines.
17118         (edited_line::get_effective_line_count): New function.
17119         (edited_line::print_content): New function.
17120         (edited_line::print_diff_lines): New function.
17121         (selftest::test_applying_fixits_insert_containing_newline): New
17122         test.
17123         (selftest::test_applying_fixits_replace_containing_newline): New
17124         test.
17125         (selftest::insert_line): New function.
17126         (selftest::test_applying_fixits_multiple_lines): Add example of
17127         inserting a line.
17128         (selftest::edit_context_c_tests): Call the new tests.
17129
17130 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17131
17132         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
17133         parameter cand.  Update dump information.
17134         (get_computation_cost): Update uses.
17135
17136 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17137
17138         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
17139         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
17140         (get_computation_at, rewrite_use_address): Update use of
17141         get_computation_aff.
17142
17143 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17144
17145         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
17146         (get_computation): Delete.
17147         (get_computation_cost): Implement like get_computation_cost_at.
17148         Use get_computation_at.
17149         (get_computation_cost_at): Delete.
17150         (rewrite_use_nonlinear_expr): Use get_computation_at.
17151         (rewrite_use_compare, remove_unused_ivs): Ditto.
17152
17153 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17154
17155         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
17156
17157 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17158
17159         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
17160         (ivopts_global_cost_for_size): Rename parameter and update uses.
17161         (iv_ca_recount_cost): Update uses.
17162         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
17163         candidates seperately in n_invs and n_cands.
17164         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
17165
17166 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17167
17168         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
17169         (find_inv_vars_cb): New.
17170         (find_depends): Renamed to ...
17171         (find_inv_vars): ... this.
17172         (add_candidate_1, force_var_cost): Call find_inv_vars.
17173         (split_address_cost, determine_group_iv_cost_cond): Ditto.
17174
17175 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17176
17177         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
17178         inv_vars.  Add inv_exprs.
17179         (struct iv_cand): Rename depends_on to inv_vars.
17180         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
17181         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
17182         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
17183         (dump_cand): Dump inv_vars.
17184         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
17185         (record_invariant, find_depends, add_candidate_1): Ditto.
17186         (set_group_iv_cost, force_var_cost): Ditto.
17187         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
17188         (get_computation_cost_at, get_computation_cost): Ditto.
17189         (determine_group_iv_cost_generic): Ditto.
17190         (determine_group_iv_cost_address): Ditto.
17191         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
17192         (determine_group_iv_costs): Ditto.
17193         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
17194         (iv_ca_set_remove_invariants): Renamed to ...
17195         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
17196         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
17197         (iv_ca_set_add_invariants):  Renamed to ...
17198         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
17199         (iv_ca_set_cp): Use iv_ca_set_add_invs.
17200         (iv_ca_has_deps): Support inv_vars and inv_exprs.
17201         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
17202         (create_new_ivs): Remove useless dump.
17203
17204 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17205
17206         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
17207         iv_cand code.
17208         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
17209         (iv_ca_set_no_cp, create_new_iv): Ditto.
17210
17211 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17212
17213         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17214
17215 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17216
17217         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
17218         function tree_check2.
17219
17220 2017-05-02  Martin Liska  <mliska@suse.cz>
17221
17222         * doc/gcov.texi: Add missing preposition.
17223         * gcov.c (function_info::function_info): Properly fill up
17224         all member variables.
17225
17226 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17227
17228         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
17229
17230 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17231
17232         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
17233
17234 2017-05-02  Martin Liska  <mliska@suse.cz>
17235
17236         PR lto/77954.
17237         * lto-streamer-in.c (lto_read_tree_1): Remove
17238         LTO_STREAMER_DEBUG.
17239         * lto-streamer.c (struct tree_hash_entry): Likewise.
17240         (struct tree_entry_hasher): Likewise.
17241         (tree_entry_hasher::hash): Likewise.
17242         (tree_entry_hasher::equal): Likewise.
17243         (lto_streamer_init): Likewise.
17244         (lto_orig_address_map): Likewise.
17245         (lto_orig_address_get): Likewise.
17246         (lto_orig_address_remove): Likewise.
17247         * lto-streamer.h: Likewise.
17248         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
17249         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
17250
17251 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
17252
17253         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
17254         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
17255         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
17256         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
17257         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
17258         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
17259         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
17260         (mm_maskz_sub_ss): New intrinsics.
17261         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17262         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
17263         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
17264         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
17265         (__builtin_ia32_subss_mask_round): New builtins.
17266         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17267         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17268         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
17269         Renamed to ...
17270         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
17271         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
17272         Changed to ...
17273         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
17274         ... this.
17275
17276 2017-05-02  Martin Jambor  <mjambor@suse.cz>
17277
17278         PR tree-optimization/78687
17279         * tree-sra.c (access): New field parent.
17280         (process_subtree_disqualification): New function.
17281         (disqualify_candidate): Call it.
17282         (build_accesses_from_assign): Reset write flag if creating an
17283         assighnment link.
17284         (build_access_subtree): Fill in parent field and also prpagate
17285         down grp_write flag.
17286         (create_artificial_child_access): New parameter set_grp_write, set
17287         grp_write to its value.
17288         (propagate_subaccesses_across_link): Also propagate grp_write flag
17289         values.
17290         (propagate_all_subaccesses): Push the closest parent back to work
17291         queue if add_access_to_work_queue returned true.
17292
17293 2017-05-02  Richard Biener  <rguenther@suse.de>
17294
17295         * common.opt (fstrict-overflow): Alias negative to fwrapv.
17296         * doc/invoke.texi (fstrict-overflow): Remove all traces of
17297         -fstrict-overflow documentation.
17298         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
17299         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
17300         flag_strict_overflow.
17301         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
17302         * lto-opts.c (lto_write_options): Do not stream it.
17303         * lto-wrapper.c (merge_and_complain): Do not handle it.
17304         * opts.c (default_options_table): Do not set -fstrict-overflow.
17305         (finish_options): Likewise do not clear it when sanitizing.
17306         * simplify-rtx.c (simplify_const_relational_operation): Do not
17307         test flag_strict_overflow.
17308
17309 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17310
17311         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
17312         using enabled attribute.
17313         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
17314         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
17315         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
17316         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
17317         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
17318         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
17319         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
17320         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
17321         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
17322         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
17323
17324 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17325
17326         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
17327
17328 2017-05-02  Richard Biener  <rguenther@suse.de>
17329
17330         PR tree-optimization/80591
17331         Revert
17332         2017-04-10  Richard Biener  <rguenther@suse.de>
17333
17334         * tree-ssa-structalias.c (find_func_aliases): Properly handle
17335         asm inputs.
17336
17337 2017-05-02  Richard Biener  <rguenther@suse.de>
17338
17339         PR tree-optimization/80549
17340         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
17341         (cleanup_tree_cfg_noloop): Create forwarders to known loop
17342         headers if they do not have a preheader.
17343
17344 2017-05-02  Martin Liska  <mliska@suse.cz>
17345
17346         PR other/80589
17347         * common.opt: Fix typo.
17348         * doc/invoke.texi: Likewise.
17349
17350 2017-05-01  Jan Beulich  <jbeulich@suse.com>
17351
17352         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
17353         swapping, add (x,x,m,x,n) alternative.
17354
17355 2017-05-01  Nathan Sidwell  <nathan@acm.org>
17356
17357         * calls.c (combine_pending_stack_adjustment_and_call): Remove
17358         unnecessary unadjusted_alignment check.
17359
17360 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17361
17362         PR c++/80038
17363         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
17364         operations here.
17365         * gimplify.c (gimplify_cilk_detach): New function.
17366         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
17367         * tree-core.h: Document EXPR_CILK_SPAWN.
17368         * tree.h (EXPR_CILK_SPAWN): Define.
17369
17370 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
17371
17372         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
17373         to use new fixit_hint representation, using the "replace" logic.
17374         (get_line_span_for_fixit_hint): Likewise.
17375         (layout::print_any_fixits): Likewise.
17376         (selftest::test_one_liner_many_fixits): Rename to...
17377         (selftest::test_one_liner_many_fixits_1): ...this, and update
17378         comment and expected output to reflect that the multiple fix-it
17379         hints are now consolidated into one insertion.
17380         (selftest::test_one_liner_many_fixits_2): New test.
17381         (selftest::test_diagnostic_show_locus_one_liner): Update for
17382         above.
17383         (selftest::test_fixit_consolidation): Update for fix-it API
17384         change.
17385         * diagnostic.c (print_parseable_fixits): Likewise.
17386         * edit-context.c (edited_line::m_line_events): Convert from
17387         auto_vec <line_event *> to auto_vec <line_event>.
17388         (class line_event): Convert from abstract base class to a concrete
17389         class, taking over the role of replace_event.
17390         (class insert_event): Delete.
17391         (class replace_event): Rename to class line_event.  Convert to
17392         half-open range.
17393         (edit_context::add_fixits): Reimplement.
17394         (edit_context::apply_insert): Delete.
17395         (edit_context::apply_replace): Rename to...
17396         (edit_context::apply_fixit): ...this.  Convert to half-open range.
17397         (edited_file::apply_insert): Delete.
17398         (edited_file::apply_replace): Rename to...
17399         (edited_file::apply_fixit): ...this.
17400         (edited_line::~edited_line): Drop deletion of events.
17401         (edited_line::apply_insert): Delete.
17402         (edited_line::apply_replace): Rename to...
17403         (edited_line::apply_fixit): ...this.  Convert to half-open range.
17404         Update for change to type of m_line_events.
17405         * edit-context.h (edit_context::apply_insert): Delete.
17406         (edit_context::apply_replace): Rename to...
17407         (edit_context::apply_fixit): ...this.
17408
17409 2017-05-01  Martin Sebor  <msebor@redhat.com>
17410
17411         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
17412         known.
17413
17414 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
17415
17416         PR target/68491
17417         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
17418         __get_cpuid_max returns 0.
17419         (__get_cpuid_count): Ditto.
17420
17421 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
17422
17423         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
17424         replacement expression is another instance of one of its arguments.
17425
17426 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
17427
17428         PR target/79430
17429         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
17430         check for stack push/pop autoinc.
17431         * config/i386/i386.c (ix86_agi_dependent): Return false
17432         if the only reason why modified_in_p returned true is that
17433         addr is SP based and set_insn is a push or pop.
17434
17435 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17436
17437         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
17438         overflow check.
17439
17440 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17441
17442         PR ipa/79224
17443         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
17444         (account_size_time): Use two predicates - exec_pred and
17445         nonconst_pred_ptr.
17446         (evaluate_conditions_for_known_args): Compute both clause and
17447         nonspec_clause.
17448         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
17449         (inline_summary_t::duplicate): Update.
17450         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
17451         separately.
17452         (compute_inline_parameters): Likewise.
17453         (estimate_edge_size_and_time): Update caluclation of time.
17454         (estimate_node_size_and_time): Compute both time and nonspecialized
17455         time.
17456         (estimate_ipcp_clone_size_and_time): Update.
17457         (inline_merge_summary): Update.
17458         (do_estimate_edge_time): Update.
17459         (do_estimate_edge_size): Update.
17460         (do_estimate_edge_hints): Update.
17461         (inline_read_section, inline_write_summary): Stream both new predicates.
17462         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
17463         as argument.
17464         (compute_inlined_call_time): Cleanup.
17465         (big_speedup_p): Update.
17466         (edge_badness): Update.
17467         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
17468         (size_time_entry): Replace predicate by exec_predicate and
17469         nonconst_predicate.
17470         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
17471         (estimate_edge_time): Return also nonspec_time.
17472         (reset_edge_growth_cache): Update.
17473
17474 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
17475
17476         PR rtl-optimization/80491
17477         * ifcvt.c (noce_process_if_block): When looking for x setter
17478         with missing else_bb, don't check only the insn right before
17479         cond_earliest, but look for the last insn that x is modified in
17480         within the same bb.
17481
17482         PR rtl-optimization/80491
17483         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
17484
17485 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
17486
17487         PR tree-optimization/80487
17488         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
17489
17490 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17491
17492         PR tree-optimization/79697
17493         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
17494         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
17495         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
17496         BUILT_IN_STRNDUP.
17497         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
17498         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
17499
17500 2017-04-28  Martin Sebor  <msebor@redhat.com>
17501
17502         PR tree-optimization/80523
17503         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
17504         (init_target_to_host_charmap, target_to_host, target_strtol10): New
17505         functions.
17506         (maybe_warn, format_directive, parse_directive): Use new functions.
17507         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
17508
17509 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
17510
17511         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
17512
17513 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17514
17515         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
17516         target_header_dir): Set correctly.
17517         * configure: Regenerated.
17518         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17519         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17520         instead of SYSTEM_HEADER_DIR.
17521
17522 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
17523
17524         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
17525         (estimate_local_effects): Likewise.
17526         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
17527         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
17528         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
17529         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
17530         do_estimate_edge_time, estimate_edge_time): Likewise.
17531         * ipa-inline-analysis.c (estimate_node_size_and_time,
17532         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
17533         (estimate_time_after_inlining): Remove.
17534
17535 2017-04-28  Martin Liska  <mliska@suse.cz>
17536
17537         * doc/gcov.texi: Enhance documentation of gcov.
17538
17539 2017-04-28  Martin Liska  <mliska@suse.cz>
17540
17541         * doc/gcov.texi: Sort options in alphabetic order.
17542         * doc/gcov-dump.texi: Likewise.
17543         * doc/gcov-tool.texi: Likewise.
17544         * gcov.c (print_usage): Likewise.
17545         * gcov-dump.c (print_usage): Likewise.
17546         * gcov-tool.c (print_merge_usage_message): Likewise.
17547         (print_rewrite_usage_message): Likewise.
17548         (print_overlap_usage_message): Likewise.
17549
17550 2017-04-28  Martin Liska  <mliska@suse.cz>
17551
17552         PR gcov-profile/53915
17553         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
17554
17555 2017-04-28  Martin Liska  <mliska@suse.cz>
17556
17557         PR gcov-profile/79891
17558         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
17559         is marked by compiler as living on a line.
17560         (get_cycles_count): Remove usage of the union.
17561         (output_intermediate_file): Likewise.
17562         (find_source): Fix GNU coding style.
17563         (accumulate_line_counts): Remove old non-all block mode.
17564         (output_lines): Remove usage of the union.
17565         * profile.c (output_location): Include all BBs, even if
17566         belonging to a same line (and file) as a previous BB.
17567
17568 2017-04-28  Martin Liska  <mliska@suse.cz>
17569
17570         * gcov.c (process_args): Handle new argument 'w'.
17571         (read_graph_file): Assign ID to BBs.
17572         (output_branch_count): Display BB # if verbose flag is set.
17573         (output_lines): Likewise for arcs.
17574         (print_usage): Add '--verbose' option help.
17575         * doc/gcov.texi: Document --verbose (-w) option.
17576
17577 2017-04-28  Martin Liska  <mliska@suse.cz>
17578
17579         * gcov.c (struct block_location_info): New struct.
17580         (process_file): Fill up the new structure.
17581         (read_graph_file): Replace usage of encoding by the newly added
17582         struct.
17583         (add_line_counts): Likewise.
17584         (accumulate_line_counts): Remove usage of the union.
17585         (function_info::function_info): New function.
17586         (function_info::~function_info): Likewise.
17587         (process_file): Call delete instead of release_function.
17588         (release_function): Release the function.
17589         (release_structures): Call delete instead of release_function.
17590         (solve_flow_graph): Replace usage of num_blocks.
17591         (find_exception_blocks): Likewise.
17592         (output_lines): Fix GNU coding style.
17593
17594 2017-04-28  Martin Liska  <mliska@suse.cz>
17595
17596         PR driver/56469
17597         * coverage.c (coverage_remove_note_file): New function.
17598         * coverage.h: Declare the function.
17599         * toplev.c (finalize): Clean if an error has been seen.
17600
17601 2017-04-28  Martin Liska  <mliska@suse.cz>
17602
17603         PR gcov-profile/80031
17604         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
17605         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
17606         * gcov.c (read_graph_file): Read just number of blocks.
17607         * profile.c (branch_prob): Do not stream 0 flags per a basic
17608         block.
17609
17610 2017-04-28  Martin Liska  <mliska@suse.cz>
17611
17612         * gcov-dump.c (tag_*): Add new argument to declarations.
17613         (dump_gcov_file): Likewise.
17614         (tag_blocks): Add and use new argument depth.
17615         (tag_arcs): Likewise.
17616         (tag_lines): Likewise.
17617         (tag_counters): Likewise.
17618         (tag_summary): Likewise.
17619         (dump_working_sets): Use depth to do a proper indentation.
17620
17621 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
17622
17623         PR bootstrap/80531
17624         * cgraph.h (symtab_node::debug_symtab): No longer inline.
17625         * symtab.c (symtab_node::debug_symtab): Move definition here.
17626
17627 2017-04-28  Richard Biener  <rguenther@suse.de>
17628
17629         * lto-streamer.h (LTO_major_version): Bump to 7.
17630
17631 2017-04-28  Richard Biener  <rguenther@suse.de>
17632
17633         * tree-vrp.c (assert_info): New struct.
17634         (add_assert_info): New helper.
17635         (register_edge_assert_for_2): Refactor to add asserts to a vector
17636         of assert_info.
17637         (register_edge_assert_for_1): Likewise.
17638         (register_edge_assert_for): Likewise.
17639         (finish_register_edge_assert_for): New helper actually registering
17640         asserts where live on edge.
17641         (find_conditional_asserts): Adjust.
17642         (find_switch_asserts): Likewise.
17643         (evrp_dom_walker::try_find_new_range): Generalize.
17644         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
17645
17646 2017-04-27  Marek Polacek  <polacek@redhat.com>
17647
17648         PR sanitizer/80349
17649         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
17650         arg10 and arg11 to itype.
17651
17652 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
17653
17654         * doc/extend.texi (Object Size Checking): Improve grammar.
17655
17656 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
17657
17658         PR target/80530
17659         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
17660         that the logic for permitting reciprocal estimates matches that
17661         in use_rsqrt_p.
17662
17663 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17664
17665         PR c++/80534
17666         * tree.c (type_cache_hasher::equal): Only compare
17667         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
17668         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
17669         non-aggregate element types.
17670         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
17671         about the flag on ARRAY_TYPEs in the comment, formatting fix.
17672
17673 2017-04-27  Richard Biener  <rguenther@suse.de>
17674
17675         PR middle-end/80533
17676         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
17677         stripping ARRAY_REFs from MEM_EXPR make sure we're not
17678         keeping a reference to a trailing array.
17679
17680 2017-04-27  Richard Biener  <rguenther@suse.de>
17681
17682         PR middle-end/80539
17683         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
17684         being in loop-closed SSA form conservatively.
17685         (chrec_fold_multiply_poly_poly): Likewise.
17686
17687 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
17688
17689         PR middle-end/79665
17690         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
17691         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
17692
17693 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17694
17695         PR target/77728
17696         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
17697         (aarch64_function_arg_alignment): Return unsigned int again, but still
17698         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
17699         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17700         Don't emit -Wpsabi note.
17701         (aarch64_function_arg_boundary): Likewise.
17702         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17703         caller.
17704
17705 2017-04-26  Nathan Sidwell  <nathan@acm.org>
17706
17707         * tree.h (crc32_unsigned_n): Declare.
17708         (crc32_unsigned, crc32_unsigned): Make inline.
17709         * tree.c (crc32_unsigned_bits): Replace with ...
17710         (crc32_unsigned_n): ... this.
17711         (crc32_unsigned, crc32_byte): Remove.
17712         (crc32_string): Remove unnecessary braces.
17713
17714 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17715
17716         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
17717         * ipa-inline-analysis.c (MAX_TIME): Remove.
17718         (account_size_time): Use sreal for time.
17719         (dump_inline_summary): Update.
17720         (estimate_function_body_sizes): Update.
17721         (estimate_edge_size_and_time): Update.
17722         (estimate_calls_size_and_time): Update.
17723         (estimate_node_size_and_time): Update.
17724         (inline_merge_summary): Update.
17725         (inline_update_overall_summary): Update.
17726         (estimate_time_after_inlining): Update.
17727         (inline_read_section): Update.
17728         (inline_write_summary): Update.
17729         * ipa-inline.c (compute_uninlined_call_time): Update.
17730         (compute_inlined_call_time): Update.
17731         (recursive_inlining): Update.
17732         (inline_small_functions): Update.
17733         (dump_overall_stats): Update.
17734         * ipa-inline.h: Include sreal.h.
17735         (size_time_entry): Turn time to sreal.
17736         (inline_summary): Turn self_time nad time to sreal.
17737
17738 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17739
17740         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
17741         data-streamer.h
17742         (sreal::stream_out, sreal::stream_in): New.
17743         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
17744
17745 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17746
17747         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
17748         environment.
17749
17750 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
17751
17752         PR target/70799
17753         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
17754         Handle ASHIFTRT.
17755         (dimode_scalar_chain::compute_convert_gain): Ditto.
17756         (dimode_scalar_chain::make_vector_copies): Ditto.
17757         (dimode_scalar_chain::convert_reg): Ditto.
17758         (dimode_scalar_chain::convert_insn): Ditto.
17759         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
17760         (VI248_AVX512BW_1): New mode iterator.
17761         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
17762         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
17763         mode iterator.
17764
17765 2017-04-25  Martin Sebor  <msebor@redhat.com>
17766
17767         PR tree-optimization/80497
17768         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
17769         constants are representable in HOST_WIDE_INT.
17770         (parse_directive): Ditto.
17771
17772 2017-04-25  Martin Sebor  <msebor@redhat.com>
17773
17774         PR bootstrap/80486
17775         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
17776         (new_zero_array): Adjust signature.
17777         (dom_info::dom_init): Used unsigned rather that size_t.
17778         (dom_info::dom_info): Same.
17779
17780 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17781             Jakub Jelinek  <jakub@redhat.com>
17782
17783         PR target/77728
17784         * config/arm/arm.c: Include gimple.h.
17785         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17786         returns negative, increment ncrn only if it returned positive.
17787         (arm_needs_doubleword_align): Return int instead of bool,
17788         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
17789         members, but if there is any such non-FIELD_DECL
17790         > PARM_BOUNDARY aligned decl, return -1 instead of false.
17791         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17792         returns negative, increment nregs only if it returned positive.
17793         (arm_setup_incoming_varargs): Likewise.
17794         (arm_function_arg_boundary): Emit -Wpsabi note if
17795         arm_needs_doubleword_align returns negative, return
17796         DOUBLEWORD_ALIGNMENT only if it returned positive.
17797
17798 2017-04-25  Marek Polacek  <polacek@redhat.com>
17799
17800         PR sanitizer/80349
17801         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
17802         first argument to type.
17803
17804 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
17805
17806         PR target/80482
17807         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
17808         type checks to test for compatibility instead of equality.
17809
17810 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17811             Jakub Jelinek  <jakub@redhat.com>
17812
17813         PR target/77728
17814         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
17815         type.
17816         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
17817         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
17818         the alignment computation, but return their maximum in warn_alignment.
17819         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17820         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
17821         is smaller.
17822         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
17823         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17824         caller.
17825
17826 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17827
17828         * config/arc/simdext.md (dmpyh): Fix typo.
17829
17830 2017-04-25  Richard Biener  <rguenther@suse.de>
17831
17832         PR tree-optimization/80492
17833         * alias.c (compare_base_decls): Handle registers with asm
17834         specification conservatively.
17835         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17836         compare_base_decls returning dont-know properly.
17837
17838 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17839
17840         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
17841         (legitimate_offset_address_p): New function.
17842         (arc_legitimate_address_p): Use above function.
17843
17844 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17845
17846         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
17847
17848 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17849
17850         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
17851         ACCH registers whenever they are available.
17852
17853 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17854
17855         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
17856         double regs fix when not used.
17857
17858 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17859
17860         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
17861         core registers.
17862         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
17863         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
17864
17865 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17866
17867         * config/arc/arc.c (arc_output_addsi): Check for h-register class
17868         when emitting short ADD instructions.
17869
17870 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17871
17872         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
17873         constraint.
17874         (cmpsi_cc_c_insn): Likewise.
17875         (cbranchsi4_scratch): Compute proper instruction length using
17876         compact_hreg_operand.
17877         * config/arc/predicates.md (compact_hreg_operand): New predicate.
17878
17879 2017-04-25  Richard Biener  <rguenther@suse.de>
17880
17881         PR middle-end/80509
17882         * passes.c (pass_manager::pass_manager): Initialize
17883         m_name_to_pass_map.
17884
17885 2017-04-25  Richard Biener  <rguenther@suse.de>
17886
17887         PR tree-optimization/79201
17888         * tree-ssa-sink.c (statement_sink_location): Handle calls.
17889
17890 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17891
17892         PR target/80464
17893         * config/s390/vector.md: Split MEM->GPR vector moves for
17894         non-s_operand addresses.
17895
17896 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17897
17898         PR target/79895
17899         * config/s390/predicates.md (reload_const_wide_int_operand): New
17900         predicate.
17901         * config/s390/s390.md ("movti"): Remove d/P alternative.
17902         ("movti_bigconst"): New pattern definition.
17903
17904 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17905
17906         PR target/80080
17907         * s390-protos.h (s390_expand_cs_hqi): Removed.
17908         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
17909         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
17910         modes as well as CCZ1mode and CCZmode.
17911         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
17912         signature of s390_emit_compare_and_swap.
17913         (s390_expand_cs_hqi): Likewise, make static.
17914         (s390_expand_cs_tdsi): Generate an explicit compare before trying
17915         compare-and-swap, in some cases.
17916         (s390_expand_cs): Wrapper function.
17917         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
17918         atomic_exchange.
17919         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
17920         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
17921         patterns for small and large integers.  Forbid symref memory operands.
17922         Move expander to s390.c.  Require cc register.
17923         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
17924         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
17925         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
17926         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
17927         symref memory operands.  Remove CC mode and call s390_match_ccmode
17928         instead.
17929         ("atomic_exchange<mode>"): Allow and implement all integer modes.
17930
17931 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17932
17933         * config/s390/s390.md (define_peephole2): New peephole to help
17934         combining the load-and-test pattern with volatile memory.
17935
17936 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17937
17938         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
17939         with CCZmode for TARGET_Z196.
17940
17941 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17942
17943         PR rtl-optimization/80501
17944         * combine.c (make_compound_operation_int): Set subreg_code to SET
17945         even for AND with mask of the sign bit of mode.
17946
17947         PR rtl-optimization/80500
17948         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
17949         sum's initial value.
17950
17951 2017-04-25  Julian Brown  <julian@codesourcery.com>
17952             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17953
17954         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
17955
17956 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
17957
17958         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
17959
17960 2017-04-25  Julian Brown  <julian@codesourcery.com>
17961             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17962
17963         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
17964         (thunderx2t99_sha): New Reservation.
17965
17966 2017-04-25  Julian Brown  <julian@codesourcery.com>
17967             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17968
17969         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
17970         type for 1-element load.
17971
17972 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
17973
17974         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
17975
17976 2017-04-24  Martin Jambor  <mjambor@suse.cz>
17977
17978         PR tree-optimization/80293
17979         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
17980         char arrays not totally scalarizable if it is false.
17981         (analyze_all_variable_accesses): Pass correct value in the new
17982         parameter.  Add a statistics counter.
17983
17984 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
17985
17986         PR middle-end/79931
17987         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
17988
17989 2017-04-24  Richard Biener  <rguenther@suse.de>
17990
17991         PR tree-optimization/80494
17992         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
17993         out for complex types.
17994
17995 2017-04-24  Richard Biener  <rguenther@suse.de>
17996
17997         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
17998         * tree-ssa-sccvn.c (print_scc): Print SCC size.
17999         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
18000         (DFS): Adjust and never fail.
18001         (sccvn_dom_walker::fail): Remove.
18002         (sccvn_dom_walker::before_dom_children): Adjust.
18003         (run_scc_vn): Likewise and never fail.
18004         * tree-ssa-pre.c (pass_pre::execute): Adjust.
18005         (pass_fre::execute): Likewise.
18006
18007 2017-04-24  Richard Biener  <rguenther@suse.de>
18008
18009         PR tree-optimization/79725
18010         * tree-ssa-sink.c (statement_sink_location): Return whether
18011         failure reason was zero uses.  Move that check later.
18012         (sink_code_in_bb): Deal with zero uses by removing the stmt
18013         if possible.
18014
18015 2017-04-24  Richard Biener  <rguenther@suse.de>
18016
18017         PR c++/2972
18018         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
18019         pointer-based references.
18020
18021 2017-04-24  Richard Biener  <rguenther@suse.de>
18022
18023         PR bootstrap/79814
18024         * pass_manager.h (pass_manager::operator new): Remove.
18025         (pass_manager::operator delete): Likewise.
18026         * passes.c (pass_manager::operator new): Remove.
18027         (pass_manager::operator delete): Likewise.
18028         (pass_manager::pass_manager): Zero individual pass members.
18029
18030 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
18031
18032         PR target/70799
18033         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
18034         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
18035         Check "XEXP (src, 1)" operand here.
18036         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
18037         Check "XEXP (src, 1)" operand here.
18038         (dimode_scalar_chain::make_vector_copies): Detect count register
18039         of a shift instruction.  Zero extend count register from QImode
18040         to DImode to satisfy vector shift pattern count operand predicate.
18041         Substitute vector shift count operand with a DImode copy.
18042         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
18043         vector register.
18044
18045 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
18046
18047         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
18048         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18049         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
18050         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18051         (UNSPEC_NOREX_MEM): Remove definition.
18052
18053 2017-04-21  Richard Biener  <rguenther@suse.de>
18054
18055         PR tree-optimization/79547
18056         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
18057         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
18058         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
18059         without any constraints.
18060
18061 2017-04-21  Richard Biener  <rguenther@suse.de>
18062
18063         PR tree-optimization/78847
18064         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
18065
18066 2017-04-21  Richard Biener  <rguenther@suse.de>
18067
18068         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
18069         (build_distinct_type_copy): Likewise.
18070         (build_variant_type_copy): Likewise.
18071         * tree.c (build_qualified_type): Pass down mem-stat info.
18072         (build_distinct_type_copy): Likewise.
18073         (build_variant_type_copy): Likewise.
18074
18075 2017-04-21  Richard Biener  <rguenther@suse.de>
18076
18077         PR tree-optimization/80237
18078         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
18079         defaulted to NULL.
18080         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
18081         for a simplified result.
18082
18083 2016-04-21  Richard Biener  <rguenther@suse.de>
18084
18085         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
18086         sth as strict as a simple_iv but a chrec without symbols and an
18087         operand defined in the loop we are peeling (and not some subloop).
18088         (propagate_constants_for_unrolling): Propagate all constants.
18089
18090 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18091
18092         PR target/79804
18093         * config/i386/i386.c (print_reg): Remove assert for disalowed
18094         regno values, call output_operand_lossage instead.
18095
18096 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18097
18098         PR target/78090
18099         * config/i386/constraints.md (Yc): New register constraint.
18100         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
18101         Use Yc constraint for alternative 2 of operand 0.  Remove
18102         preferred_for_speed attribute.
18103
18104 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18105
18106         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
18107         lastprivate clauses in SIMT case.
18108
18109 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
18110
18111         * doc/invoke.texi (-Wextra-semi): Document new warning option.
18112
18113 2017-04-20  Richard Biener  <rguenther@suse.de>
18114
18115         PR tree-optimization/57796
18116         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
18117         as N scalar stores.
18118         (vect_model_load_cost): Cost gathers as N scalar loads.
18119
18120 2017-04-20  Richard Biener  <rguenther@suse.de>
18121
18122         * ggc-page.c (ggc_allocated_p): Rename to ...
18123         (safe_lookup_page_table_entry): ... this and return the lookup
18124         result.
18125         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
18126
18127 2017-04-20  Richard Biener  <rguenther@suse.de>
18128
18129         PR tree-optimization/80453
18130         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
18131         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
18132         from the conditions.
18133         (vn_phi_eq): Pass them down.
18134         (vn_phi_lookup): Record them.
18135         (vn_phi_insert): Likewise.
18136
18137 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
18138
18139         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
18140         uninitialized variable warning to avoid buffer overrun.
18141
18142 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18143
18144         PR other/71250
18145         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
18146         is suppressed for '{ 0 }' in C.
18147
18148 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18149
18150         * BASE-VER: Set to 8.0.0.
18151
18152 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18153
18154         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
18155         priority .init_array and .fini_array section with SECTION_NOTYPE
18156         flag.
18157
18158 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18159
18160         PR middle-end/80423
18161         * tree.h (build_array_type): Add typeless_storage default argument.
18162         * tree.c (type_cache_hasher::equal): Also compare
18163         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
18164         (build_array_type): Add typeless_storage argument, set
18165         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
18166         recursive call.
18167         (build_nonshared_array_type): Adjust build_array_type_1 caller.
18168         (build_array_type): Likewise.  Add typeless_storage argument.
18169
18170 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18171             Jakub Jelinek  <jakub@redhat.com>
18172
18173         PR tree-optimization/80426
18174         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
18175         operation on symbolic operands, also compute the overflow for the
18176         invariant part when the operation degenerates into a negation.
18177
18178 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
18179
18180         PR debug/80461
18181         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
18182         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
18183
18184         PR debug/80436
18185         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
18186
18187 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
18188
18189         PR target/80462
18190         * config/avr/avr.c (tree.h): Include it.
18191         (cgraph.h): Include it.
18192         (avr_encode_section_info): Don't warn for uninitialized progmem
18193         variable if it's just an alias.
18194
18195 2017-04-19  Richard Biener  <rguenther@suse.de>
18196
18197         PR ipa/65972
18198         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
18199         when needed by AutoPGO.
18200
18201 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
18202
18203         PR lto/50345
18204         * doc/lto.texi: Remove an extra 'that'.
18205
18206 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
18207
18208         PR rtl-optimization/80429
18209         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
18210         are only used in debug insns.
18211
18212 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18213             Vladimir Makarov  <vmakarov@redhat.com>
18214
18215         * config/sparc/predicates.md (input_operand): Add comment.  Return
18216         true for any memory operand when LRA is in progress.
18217         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
18218
18219 2017-04-18  Jeff Law  <law@redhat.com>
18220
18221         PR target/74563
18222         * mips.md ({return,simple_return}_internal): Do not overwrite
18223         operands[0].
18224
18225 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18226
18227         PR tree-optimization/80443
18228         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
18229         instead of adding 1, subtract -1 and similarly instead of subtracting
18230         1 add -1.
18231
18232 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
18233
18234         PR rtl-optimization/80357
18235         * haifa-sched.c (tmp_bitmap): New variable.
18236         (model_recompute): Handle duplicate use records.
18237         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
18238         (free_global_sched_pressure_data): Free it.
18239
18240 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18241
18242         Revert:
18243         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18244         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
18245         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
18246         instead of SYSTEM_HEADER_DIR.
18247
18248 2017-04-18  Jeff Law  <law@redhat.com>
18249
18250         PR middle-end/80422
18251         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
18252         predecessors after walking up the insn chain.
18253
18254 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18255
18256         PR debug/80263
18257         * dwarf2out.c (modified_type_die): Try harder not to emit internal
18258         sizetype type into debug info.
18259
18260 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
18261
18262         PR target/80099
18263         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
18264         unneeded test for TARGET_UPPER_REGS_SF.
18265         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
18266
18267 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18268
18269         PR sanitizer/80444
18270         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
18271         instead of gsi_after_labels.
18272
18273 2017-04-18  Jeff Law  <law@redhat.com>
18274
18275         * regcprop.c (maybe_mode_change): Avoid creating copies of the
18276         stack pointer.
18277
18278         Revert:
18279         2017-04-13  Jeff Law  <law@redhat.com>
18280         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18281         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18282
18283 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
18284
18285         PR target/79453
18286         * config/avr/avr.c (intl.h): Include it.
18287         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
18288
18289 2017-04-18  Martin Liska  <mliska@suse.cz>
18290
18291         PR gcov-profile/78783
18292         * gcov-tool.c (gcov_output_files): Validate that destination
18293         file is either removed by the tool or by a user.
18294
18295 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18296             Guy Benyei  <guybe@mellanox.com>
18297
18298         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
18299         block, and do not negate it, the stored id is already negative.
18300
18301 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18302
18303         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
18304
18305 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
18306
18307         PR target/80098
18308         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
18309         masks of options that should be turned off if the VSX vector
18310         options are turned off.
18311         (OTHER_P8_VECTOR_MASKS): Likewise.
18312         (OTHER_VSX_VECTOR_MASKS): Likewise.
18313         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
18314         rs6000_disable_incompatible_switches to validate no type switches
18315         like -mvsx.
18316         (rs6000_incompatible_switch): New function to disallow turning on
18317         other vector options if -mno-vsx, -mno-power8-vector, or
18318         -mno-power9-vector are specified.
18319
18320 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18321
18322         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
18323
18324 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18325
18326         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
18327         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
18328         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
18329         (ARG_POINTER_CFA_OFFSET): Likewise.
18330
18331 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18332
18333         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
18334         conditions to take advantage of various optimizations.
18335
18336 2017-04-13  Jeff Law  <law@redhat.com>
18337
18338         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18339         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18340         (zero_extendsidi2_dext): Likewise.
18341
18342 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18343
18344         PR sanitizer/80403
18345         * fold-const.c (fold_ternary_loc): Revert
18346         use op0 instead of fold_convert_loc (loc, type, arg0) part of
18347         2017-04-12 change.
18348
18349 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
18350
18351         PR rtl-optimization/80343
18352         * lra-remat.c (update_scratch_ops): Assign original hard reg to
18353         new scratch pseudo.
18354
18355 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
18356
18357         PR sanitizer/80414
18358         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
18359         to ubsan_encode_value.
18360
18361 2017-04-13  Jeff Law  <law@redhat.com>
18362
18363         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
18364         appearing in DEBUG_INSNs.
18365
18366 2017-04-13  Martin Liska  <mliska@suse.cz>
18367
18368         PR gcov-profile/80413
18369         * gcov-io.c (gcov_write_string): Copy to buffer just when
18370         allocated size is greater than zero.
18371
18372 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18373
18374         PR debug/80321
18375         * dwarf2out.c (decls_for_scope): Ignore declarations of
18376         current_function_decl in BLOCK_NONLOCALIZED_VARS.
18377
18378 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
18379
18380         PR lto/69953
18381         * ipa-visibility.c (non_local_p): Fix typos.
18382         (localize_node): When localizing symbol in same comdat group,
18383         dissolve the group only when we know external symbols are going
18384         to be privatized.
18385         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
18386
18387 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18388
18389         PR tree-optimization/79390
18390         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
18391         order does not result in usable sequence, retry with reversed operand
18392         order.
18393
18394         PR sanitizer/80403
18395         PR sanitizer/80404
18396         PR sanitizer/80405
18397         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
18398         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
18399         op0 instead of fold_convert_loc (loc, type, arg0).
18400
18401 2017-04-12  Jeff Law  <law@redhat.com>
18402
18403         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
18404         has a delay slot in the generated code.
18405
18406         * config/cris/cris.md (cris_preferred_reload_class): Return
18407         GENNONACR_REGS rather than GENERAL_REGS.
18408
18409 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18410
18411         PR c/80163
18412         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
18413         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
18414         signedness of the result type.
18415
18416 2017-04-12  Richard Biener  <rguenther@suse.de>
18417             Jeff Law  <law@redhat.com>
18418
18419         PR tree-optimization/80359
18420         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
18421         trim stores to TARGET_MEM_REFs.
18422
18423 2017-04-12  Richard Biener  <rguenther@suse.de>
18424
18425         PR tree-optimization/79390
18426         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
18427         threading case even more.
18428
18429 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
18430
18431         PR target/80382
18432         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
18433         for quad_address_p for TImode, instead of just not indexed_address.
18434
18435 2017-04-12  Richard Biener  <rguenther@suse.de>
18436             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18437
18438         PR middle-end/79671
18439         * alias.c (component_uses_parent_alias_set_from): Handle
18440         TYPE_TYPELESS_STORAGE.
18441         (get_alias_set): Likewise.
18442         * tree-core.h (tree_type_common): Add typeless_storage flag.
18443         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
18444         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
18445         for types containing members with TYPE_TYPELESS_STORAGE.
18446         (place_field): Likewise.
18447         (layout_type): Likewise for ARRAY_TYPE.
18448         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
18449         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
18450         TYPE_TYPELESS_STORAGE.
18451         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
18452
18453 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18454
18455         PR sanitizer/80349
18456         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18457         first argument to type.
18458
18459 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18460
18461         PR target/80376
18462         PR target/80315
18463         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
18464         CONST0_RTX (mode) rather than const0_rtx where appropriate.
18465         (rs6000_expand_binop_builtin): Likewise.
18466         (rs6000_expand_ternop_builtin): Likewise; also add missing
18467         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
18468         vshasigma built-ins.
18469         * doc/extend.texi: Document that vec_xxpermdi's third argument
18470         must be a constant.
18471
18472 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
18473
18474         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
18475         Use shift_const cost parameter when calculating gain of STV shifts.
18476
18477 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
18478
18479         PR rtl-optimization/70478
18480         * lra-constraints.c (process_alt_operands): Check memory for
18481         disfavoring memory insn operand.
18482
18483 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18484
18485         PR middle-end/80100
18486         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
18487         left shift in unsigned HOST_WIDE_INT type.
18488
18489         PR rtl-optimization/80385
18490         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
18491         (not (neg X)) into (plus X -1) for complex or non-integral modes.
18492
18493         PR libgomp/80394
18494         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
18495         if they have any depend clauses.
18496
18497 2017-04-11  Martin Liska  <mliska@suse.cz>
18498
18499         PR ipa/80212
18500         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
18501         * ipa-split.c (split_function): Create a local comdat symbol
18502         if caller is in a comdat group.
18503
18504 2017-04-11  Martin Liska  <mliska@suse.cz>
18505
18506         PR ipa/80212
18507         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
18508         flags.
18509
18510 2017-04-11  Martin Sebor  <msebor@redhat.com>
18511
18512         PR middle-end/80364
18513         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
18514         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
18515         for INTEGER_TYPE.
18516         (directive::set_width, directive::set_precision, format_character):
18517         Adjust.
18518         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
18519         INTEGER_TYPE.
18520
18521 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
18522
18523         PR target/80389
18524         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
18525         conflict, set target->arch_name instead of target->cpu_name.
18526
18527 2017-04-11  Richard Biener  <rguenther@suse.de>
18528
18529         PR tree-optimization/80374
18530         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
18531         build_zero_cst, remove fold_convertible_p check again.
18532
18533 2017-04-11  Martin Liska  <mliska@suse.cz>
18534
18535         PR sanitizer/70878
18536         * ubsan.c (instrument_object_size): Do not instrument register
18537         variables.
18538
18539 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18540
18541         PR target/80381
18542         * config/i386/i386-builtin-types.def
18543         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
18544         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
18545         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
18546         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
18547         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
18548         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
18549         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
18550         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
18551         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
18552         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
18553         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
18554         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
18555         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
18556         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
18557         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
18558         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
18559         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
18560         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
18561         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
18562         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
18563         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
18564         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
18565         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
18566         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
18567         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
18568         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
18569         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
18570         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
18571         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
18572         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
18573         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
18574         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
18575         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
18576         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
18577         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
18578         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
18579         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
18580         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
18581         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
18582         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
18583         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
18584         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
18585         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
18586         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
18587         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
18588         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
18589         aliases.
18590         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
18591         flag to second_arg_count, handle 4 argument function type _COUNT
18592         aliases, handle second_arg_count on second argument rather than last.
18593
18594 2017-04-10  Jeff Law  <law@redhat.com>
18595
18596         PR tree-optimization/80374
18597         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
18598         record anything if we can not convert integer_zero_node to the
18599         desired type.
18600
18601 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18602
18603         PR target/80108
18604         * config/rs6000/rs6000.c (rs6000_option_override_internal):
18605         Enhance special handling given to the TARGET_P9_MINMAX option in
18606         relation to certain other options.
18607
18608 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
18609
18610         PR tree-optimization/80153
18611         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
18612         remove POINTER_PLUS_EXPR's base part directly, rather than through
18613         aff_tree.
18614
18615 2017-04-10  Richard Biener  <rguenther@suse.de>
18616             Bin Cheng  <bin.cheng@arm.com>
18617
18618         PR tree-optimization/80153
18619         * tree-affine.c (aff_combination_to_tree): Get base pointer from
18620         the first element of pointer type aff_tree.  Build result expr in
18621         aff_tree's type.
18622         (add_elt_to_tree): Convert to type unconditionally.  Remove other
18623         fold_convert calls.
18624         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
18625         (rewrite_use_nonlinear_expr): Check invariant using iv information.
18626
18627 2017-04-10  Richard Biener  <rguenther@suse.de>
18628
18629         * tree-ssa-structalias.c (find_func_aliases): Properly handle
18630         asm inputs.
18631
18632 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
18633
18634         PR rtl-optimization/70478
18635         * lra-constraints.c (curr_small_class_check): New.
18636         (update_and_check_small_class_inputs): New.
18637         (process_alt_operands): Update curr_small_class_check.  Disfavor
18638         alternative insn memory operands.  Check available regs for small
18639         class operands.
18640
18641 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18642
18643         PR target/80057
18644         * config/mips/mips.opt (-mvirt): Update description.
18645         * doc/invoke.texi (-mvirt): Likewise.
18646
18647 2017-04-10  Richard Biener  <rguenther@suse.de>
18648
18649         PR middle-end/80362
18650         * fold-const.c (fold_binary_loc): Look at unstripped ops when
18651         looking for NEGATE_EXPR in -A / -B to A / B folding.
18652
18653 2017-04-10  Martin Liska  <mliska@suse.cz>
18654
18655         PR gcov-profile/80224
18656         * gcov.c (print_usage): Fix usage string.
18657         (get_gcov_intermediate_filename): Remove.
18658         (output_gcov_file): Use both for normal and intermediate format.
18659         (generate_results): Do not initialize special file for
18660         intermediate format.
18661
18662 2017-04-10  Richard Biener  <rguenther@suse.de>
18663
18664         PR tree-optimization/80304
18665         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
18666         for safelen.
18667
18668 2017-04-10  Nathan Sidwell  <nathan@acm.org>
18669
18670         PR target/79905
18671         * config/rs6000/rs6000.c (rs6000_vector_type): New.
18672         (rs6000_init_builtins): Use it.
18673
18674 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18675
18676         * config/arm/arm.md (<mrc>): Add mode to SET source.
18677         (<mrrc>): Likewise.
18678
18679 2017-04-10  Richard Biener  <rguenther@suse.de>
18680
18681         PR middle-end/80344
18682         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
18683
18684 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
18685
18686         PR target/80324
18687         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
18688         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
18689         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
18690         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
18691         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
18692         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
18693         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
18694         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
18695         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
18696         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
18697         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
18698         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
18699         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
18700         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
18701         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
18702         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
18703         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
18704         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
18705         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
18706         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
18707         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
18708         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
18709         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
18710
18711 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
18712
18713         PR rtl-optimization/70478
18714         * lra-constraints.c: Reverse the last patch.
18715
18716 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
18717
18718         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
18719         Add comment for WCHAR_T.
18720
18721 2017-04-08  Martin Liska  <mliska@suse.cz>
18722
18723         Revert:
18724         2017-04-07  Martin Liska  <mliska@suse.cz>
18725
18726         PR ipa/80212
18727         * ipa-split.c (split_function): Add function part to a same comdat
18728         group.
18729
18730 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18731
18732         PR target/80358
18733         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
18734
18735 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
18736
18737         * rs6000/rs6000.c (vec_load_pendulum): Rename...
18738         (vec_pairing): ...to this.
18739         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
18740         (rs6000_sched_init): Adjust for name change.
18741         (struct rs6000_sched_context): Likewise.
18742         (rs6000_init_sched_context): Likewise.
18743         (rs6000_set_sched_context): Likewise.
18744
18745 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
18746
18747         PR target/80322
18748         PR target/80323
18749         PR target/80325
18750         PR target/80326
18751         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
18752         intrinsics.
18753         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
18754         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
18755         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
18756
18757 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
18758
18759         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
18760
18761 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18762
18763         PR rtl-optimization/70703
18764         * ira-color.c (update_conflict_hard_regno_costs): Use
18765         int64_t instead of HOST_WIDE_INT.
18766
18767 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18768
18769         PR rtl-optimization/70478
18770         * lra-constraints.c (process_alt_operands): Disfavor alternative
18771         insn memory operands.
18772
18773 2017-04-07  Jeff Law  <law@redhat.com>
18774
18775         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
18776         CALL and NOTE_INSN_CALL_ARG_LOCATION.
18777
18778 2017-04-07  Martin Liska  <mliska@suse.cz>
18779
18780         PR target/79889
18781         * config/aarch64/aarch64.c (aarch64_process_target_attr):
18782         Show error message instead of an ICE.
18783
18784 2017-04-07  Martin Liska  <mliska@suse.cz>
18785
18786         PR ipa/80212
18787         * ipa-split.c (split_function): Add function part to a same comdat
18788         group.
18789
18790 2017-04-07  Richard Biener  <rguenther@suse.de>
18791
18792         PR middle-end/80341
18793         * tree.c (get_unwidened): Also handle ! for_type case for
18794         INTEGER_CSTs.
18795         * convert.c (do_narrow): Split out from ...
18796         (convert_to_integer_1): ... here.  Do not pass final truncation
18797         type to get_unwidened for TRUNC_DIV_EXPR.
18798
18799 2017-04-07  Richard Biener  <rguenther@suse.de>
18800
18801         * tree-affine.c (wide_int_ext_for_comb): Take type rather
18802         than aff_tree.
18803         (aff_combination_const): Adjust.
18804         (aff_combination_scale): Likewise.
18805         (aff_combination_add_elt): Likewise.
18806         (aff_combination_add_cst): Likewise.
18807         (aff_combination_convert): Likewise.
18808         (add_elt_to_tree): Likewise.  Remove unused argument.
18809         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
18810
18811 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
18812
18813         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
18814         definition.
18815         * config/arm/arm.c (arm_default_short_enums): Use
18816         ARM_DEFAULT_SHORT_ENUMS.
18817         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
18818
18819 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
18820
18821         PR debug/80234
18822         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
18823         members with redundant out-of-class redeclaration.
18824
18825 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18826
18827         PR target/80286
18828         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
18829         * config/i386/i386.md (*zero_extendsidi2):
18830         Add (?*x,*x) and (?*v,*v) alternatives.
18831
18832 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18833
18834         PR target/79733
18835         * config/i386/i386.c (ix86_expand_builtin)
18836         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
18837         mode from insn data. Convert operands to insn operand mode.
18838         Copy operands that don't satisfy insn predicate to a register.
18839
18840 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
18841
18842         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
18843         Update comments.
18844
18845 2017-04-06  Richard Biener  <rguenther@suse.de>
18846
18847         PR tree-optimization/80334
18848         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
18849         preserve alignment of accesses.
18850
18851 2017-04-06  Richard Biener  <rguenther@suse.de>
18852
18853         PR tree-optimization/80262
18854         * tree-sra.c (build_ref_for_offset): Preserve address-space
18855         information.
18856         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
18857         Drop useless address-space information on MEM_REF offsets.
18858
18859 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
18860
18861         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
18862
18863 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18864
18865         PR rtl-optimization/70703
18866         * ira-color.c (update_conflict_hard_regno_costs): Use
18867         HOST_WIDE_INT instead of long.
18868
18869 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
18870
18871         PR target/80298
18872         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
18873         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
18874         is not defined.
18875         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
18876         for x86_64 target.  Handle -m3dnowa option.
18877
18878 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18879
18880         PR rtl-optimization/70703
18881         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
18882         (update_conflict_hard_regno_costs): Use long instead of unsigned
18883         arithmetic for cost calculation.
18884
18885 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18886             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18887
18888         PR sanitizer/80308
18889         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
18890         for big endian.
18891
18892 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
18893
18894         PR target/78002
18895         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
18896         ptr_mode with Pmode throughout.
18897         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
18898         into probe_stack_range and use DImode.
18899
18900 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18901
18902         PR target/79890
18903         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
18904         call_eh_return is true.
18905
18906 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18907
18908         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
18909         Initialize last_match_fntype_index.
18910
18911 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18912
18913         PR target/80310
18914         * tree-nvr.c: Include internal-fn.h.
18915         (pass_return_slot::execute): Ignore internal calls without
18916         direct optab.
18917
18918 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18919             Richard Biener  <rguenther@suse.de>
18920
18921         PR c++/80297
18922         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
18923         captures used multiple times, except for the last use.
18924         * generic-match-head.c: Include gimplify.h.
18925
18926 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18927
18928         PR tree-optimization/79390
18929         * target.h (struct noce_if_info): Declare.
18930         * targhooks.h (default_noce_conversion_profitable_p): Declare.
18931         * target.def (noce_conversion_profitable_p): New target hook.
18932         * ifcvt.h (struct noce_if_info): New type, moved from ...
18933         * ifcvt.c (struct noce_if_info): ... here.
18934         (noce_conversion_profitable_p): Renamed to ...
18935         (default_noce_conversion_profitable_p): ... this.  No longer
18936         static nor inline.
18937         (noce_try_store_flag_constants, noce_try_addcc,
18938         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
18939         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
18940         instead of noce_conversion_profitable_p.
18941         * config/i386/i386.c: Include ifcvt.h.
18942         (ix86_option_override_internal): Don't override
18943         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
18944         (ix86_noce_conversion_profitable_p): New function.
18945         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
18946         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
18947         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
18948         * doc/tm.texi: Regenerated.
18949
18950 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18951
18952         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
18953         correction.
18954
18955 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18956
18957         PR target/80307
18958         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
18959         instructions for small multiply cores.
18960
18961 2017-04-04  Jeff Law  <law@redhat.com>
18962
18963         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
18964         added member.
18965         (mips_expand_vec_perm_const): Initialize elements in orig_perm
18966         that are not set by the loop over the elements.
18967
18968 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18969
18970         PR target/80286
18971         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
18972         int mode, convert_modes it to mode as unsigned, otherwise use
18973         lowpart_subreg to mode rather than SImode.
18974         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
18975         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
18976         Use DImode instead of SImode for the shift count operand.
18977         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
18978         Likewise.
18979
18980 2017-04-04  Richard Biener  <rguenther@suse.de>
18981
18982         PR middle-end/80281
18983         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
18984         arithmetic done for the negate or the plus.  Simplify.
18985         (A - (-B) -> A + B): Likewise.
18986         * fold-const.c (split_tree): Make sure to not negate pointers.
18987
18988 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
18989
18990         PR rtl-optimization/60818
18991         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
18992         a compare of comparisons with the thing compared if this results
18993         in a different machine mode.
18994
18995 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
18996
18997         * alias.c (base_alias_check): Fix typo in comment.
18998         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
18999         * cgraphunit.c (symbol_table::compile): Likewise.
19000         * collect2.c (maybe_run_lto_and_relink): Likewise.
19001         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
19002         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
19003         * config/avr/avr.c (avr_map_op_t): Likewise.
19004         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
19005         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
19006         * config/epiphany/epiphany.md (movcc): Likewise.
19007         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
19008         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
19009         Likewise.
19010         * config/mips/mips.c (mips_save_restore_reg): Likewise.
19011         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
19012         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
19013         * config/sh/sh.c (sh_rtx_costs): Likewise.
19014         * fold-const.c (fold_truth_andor): Likewise.
19015         * genautomata.c (collapse_flag): Likewise.
19016         * gengtype.h (struct type::u::s): Likewise.
19017         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
19018         * input.c (FORMAT_AMOUNT): Likewise.
19019         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
19020         (known_aggs_to_agg_replacement_list): Likewise.
19021         * ipa-inline-analysis.c: Likewise.
19022         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
19023         * ipa-polymorphic-call.c
19024         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
19025         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
19026         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
19027         Likewise.
19028         * modulo-sched.c (apply_reg_moves): Likewise.
19029         * omp-expand.c (build_omp_regions_1): Likewise.
19030         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
19031         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
19032         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
19033         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
19034         * value-prof.c: Likewise.
19035         * var-tracking.c (val_reset): Likewise.
19036
19037 2017-04-03  Richard Biener  <rguenther@suse.de>
19038
19039         PR tree-optimization/80275
19040         * fold-const.c (split_address_to_core_and_offset): Handle
19041         POINTER_PLUS_EXPR.
19042
19043 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
19044
19045         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
19046         descriptors is at least equal to that of functions.
19047
19048 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19049
19050         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
19051
19052 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19053
19054         PR target/80250
19055         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
19056         (mov<IMOD4:mode>): New expander.
19057         (*mov<IMOD4:mode>_internal): New insn and split pattern.
19058
19059 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
19060
19061         PR rtl-optimization/79405
19062         * fwprop.c (propagations_left): New variable.
19063         (forward_propagate_into): Decrement it.
19064         (fwprop_init): Initialize it.
19065         (fw_prop): If the variable has reached zero, stop propagating.
19066         (fwprop_addr): Ditto.
19067
19068 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19069
19070         PR debug/79255
19071         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
19072         a FUNCTION_DECL, pass it as decl instead of origin to
19073         process_scope_var.
19074
19075 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
19076
19077         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
19078         string.
19079
19080 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
19081
19082         PR target/80107
19083         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
19084         TARGET_VSX_SMALL_INTEGER.
19085
19086 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19087
19088         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
19089         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
19090
19091 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
19092
19093         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
19094         extraction from odd-numbered MSA register.
19095
19096 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19097
19098         PR middle-end/80173
19099         * expmed.c (store_bit_field_1): Don't attempt to create
19100         a word subreg out of hard registers wider than word if they
19101         have HARD_REGNO_NREGS of 1 for their mode.
19102
19103         PR middle-end/80163
19104         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
19105         conversions to integer types wider than word and pointer.
19106
19107         PR debug/80025
19108         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
19109         (rtx_equal_for_cselib_p): Pass 0 to it.
19110         * cselib.c (cselib_hasher::equal): Likewise.
19111         (rtx_equal_for_cselib_1): Add depth argument.  If depth
19112         is 128, don't look up VALUE locs and punt.  Increment
19113         depth in recursive calls when walking VALUE locs.
19114
19115 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19116
19117         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
19118         (make_gcov_file_name): Use the canonical path name for generating
19119         the MD5 value.
19120         (read_line): Fix handling of files with ascii null bytes.
19121
19122 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
19123
19124         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
19125         to initialise a vector register instead
19126         of using a const_int.
19127
19128 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19129
19130         PR translation/80189
19131         * gimplify.c (omp_default_clause): Use %qs instead of %s in
19132         diagnostic messages.
19133
19134 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
19135
19136         PR target/80246
19137         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
19138         (dfp_diex_<mode>): Update mode of operand 1.
19139         * doc/extend.texi (dxex, dxexq): Document change to return type.
19140         (diex, diexq): Document change to argument type.
19141
19142 2017-03-30  Martin Jambor  <mjambor@suse.cz>
19143
19144         PR ipa/77333
19145         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
19146         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
19147         it reflects the signature changes performed at the callee side.
19148         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
19149         to cgraph_build_function_type_skip_args.
19150         (build_function_decl_skip_args): Adjust call to the above function.
19151
19152 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19153
19154         PR target/80206
19155         * config/i386/sse.md
19156         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
19157         register as dest whenever it is a MEM not rtx_equal_p to the
19158         corresponding dup operand, and when forcing into reg move the
19159         reg into the memory afterwards.
19160         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
19161         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
19162         for the force_reg mode.
19163         (avx512vl_vextractf128<mode>): Use register as dest either
19164         always when a MEM, or when it is a MEM not rtx_equal_p to the
19165         corresponding dup operand, or even not when it is a CONST_VECTOR
19166         depending on the mode and lo vs. hi.
19167         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
19168         parens.
19169         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
19170         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
19171         Likewise.  Require that operands[2] is even.
19172         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
19173         Remove extraneous parens.  Require that operands[2] is a multiple
19174         of 4.
19175         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
19176         operands[0] is a MEM if <mask_applied>, the predicates/constraints
19177         disallow memory then.
19178
19179 2017-03-30  Richard Biener  <rguenther@suse.de>
19180
19181         PR tree-optimization/77498
19182         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
19183         to non-constants over backedges.
19184
19185 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
19186
19187         PR rtl-optimization/80233
19188         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
19189         as last_combined_insn.  Do not test for BARRIER_P separately.
19190
19191 2017-03-29  Andreas Schwab  <schwab@suse.de>
19192
19193         PR ada/80146
19194         * calls.c (prepare_call_address): Convert funexp to Pmode before
19195         copying to temp reg.
19196
19197 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19198
19199         PR tree-optimization/80158
19200         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
19201         Handle possible future case of more than one alternate
19202         interpretation.
19203         (replace_rhs_if_not_dup): Likewise.
19204         (replace_one_candidate): Likewise.
19205
19206 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
19207
19208         PR rtl-optimization/80193
19209         * ira.c (ira): Do not check allocation for LRA.
19210
19211 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
19212
19213         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
19214         (nvptx_output_simt_exit): Declare.
19215         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
19216         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
19217         (init_softstack_frame): Move initialization of crtl->is_leaf to...
19218         (nvptx_declare_function_name): ...here.  Emit declaration of local
19219         memory space buffer for omp_simt_enter insn.
19220         (nvptx_output_unisimt_switch): New.
19221         (nvptx_output_softstack_switch): New.
19222         (nvptx_output_simt_enter): New.
19223         (nvptx_output_simt_exit): New.
19224         * config/nvptx/nvptx.h (struct machine_function): New fields
19225         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
19226         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
19227         (UNSPECV_SIMT_EXIT): Ditto.
19228         (omp_simt_enter_insn): New insn.
19229         (omp_simt_enter): New expansion.
19230         (omp_simt_exit): New insn.
19231         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
19232
19233         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
19234         (expand_GOMP_SIMT_ENTER_ALLOC): New.
19235         (expand_GOMP_SIMT_EXIT): New.
19236         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
19237         (GOMP_SIMT_ENTER_ALLOC): Ditto.
19238         (GOMP_SIMT_EXIT): Ditto.
19239         * target-insns.def (omp_simt_enter): New insn.
19240         (omp_simt_exit): Ditto.
19241         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
19242         simt_dlist.
19243         (lower_rec_simd_input_clauses): Implement SIMT privatization.
19244         (lower_rec_input_clauses): Likewise.
19245         (lower_lastprivate_clauses): Handle SIMT privatization.
19246
19247         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
19248         (ompdevlow_adjust_simt_enter): New.
19249         (find_simtpriv_var_op): New.
19250         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
19251         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
19252
19253         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
19254         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
19255         (copy_decl_for_dup_finish): Ditto.
19256
19257         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
19258
19259 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
19260
19261         PR target/53383
19262         * config/i386/i386.c (ix86_option_override_internal): Always
19263         allow -mpreferred-stack-boundary=3 for 64-bit targets.
19264
19265 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19266
19267         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
19268
19269 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19270
19271         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
19272         mark new edge's irreducible flag accordign to it.
19273         (vect_do_peeling): Check loop preheader edge's irreducible flag
19274         and pass it to function slpeel_add_loop_guard.
19275
19276 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
19277
19278         PR tree-optimization/80218
19279         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
19280         Update block frequencies and counts.
19281
19282 2017-03-28  Richard Biener  <rguenther@suse.de>
19283
19284         PR tree-optimization/78644
19285         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
19286         of a simplification result we may not use it at all.
19287
19288 2017-03-28  Richard Biener  <rguenther@suse.de>
19289
19290         PR ipa/80205
19291         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
19292         without arguments, generate default definition of a SSA name.
19293
19294 2017-03-28  Richard Biener  <rguenther@suse.de>
19295
19296         PR middle-end/80222
19297         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
19298         TYPE_REF_CAN_ALIAS_ALL references.
19299         * fold-const.c (fold_indirect_ref_1): Likewise.
19300
19301 2017-03-28  Martin Liska  <mliska@suse.cz>
19302
19303         PR ipa/80104
19304         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
19305         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
19306
19307 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19308             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
19309
19310         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
19311         (EXTRA_SPECS): Define.
19312         (SUBTARGET_EXTRA_SPECS): Likewise.
19313         (SUBTARGET_CPP_SPEC): Likewise.
19314         * config/arc/elf.h (EXTRA_SPECS): Renamed to
19315         SUBTARGET_EXTRA_SPECS.
19316         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
19317
19318 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19319
19320         * config/arc/simdext.md (vst64_insn): Update pattern.
19321         (vld32wh_insn): Likewise.
19322         (vld32wl_insn): Likewise.
19323         (vld64_insn): Likewise.
19324         (vld32_insn): Likewise.
19325
19326 2017-03-28  Marek Polacek  <polacek@redhat.com>
19327
19328         PR sanitizer/80067
19329         * fold-const.c (fold_comparison): Use protected_set_expr_location
19330         instead of SET_EXPR_LOCATION.
19331
19332 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
19333
19334         * tree.c (add_expr): Avoid name lookup warning.
19335
19336 2017-03-27  Jeff Law  <law@redhat.com>
19337
19338         PR tree-optimization/80216
19339         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
19340         function name.  Limit recursion depth.
19341         (record_temporary_equivalences): Corresponding changes.
19342
19343 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
19344
19345         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
19346         covered first.
19347
19348 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19349
19350         PR target/80102
19351         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
19352         notes.
19353         * cfgcleanup.c (reg_note_cfa_p): New array.
19354         (insns_have_identical_cfa_notes): New function.
19355         (old_insns_match_p): Don't cross-jump in between /f
19356         and non-/f instructions.  If both i1 and i2 are frame related,
19357         verify all CFA notes, their order and content.
19358
19359 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
19360
19361         PR target/78543
19362         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
19363         HImode and SImode with zero extend to DImode to one insn.
19364         (bswap<mode>2_extenddi): Likewise.
19365         (bswapsi2_extenddi): Likewise.
19366         (bswaphi2_extendsi): Likewise.
19367         (bswaphi2): Combine bswap HImode and SImode into one insn.
19368         Separate memory insns from swapping register.
19369         (bswapsi2): Likewise.
19370         (bswap<mode>2): Likewise.
19371         (bswaphi2_internal): Delete, no longer used.
19372         (bswapsi2_internal): Likewise.
19373         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
19374         store, and gpr<-gpr swap insns.
19375         (bswap<mode>2_store): Likewise.
19376         (bswaphi2_reg): Register only splitter, combine with the splitter.
19377         (bswaphi2 splitter): Likewise.
19378         (bswapsi2_reg): Likewise.
19379         (bswapsi2 splitter): Likewise.
19380         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
19381         the insns into load, store, and register/register insns.
19382         (bswapdi2_ldbrx): Likewise.
19383         (bswapdi2_load): Likewise.
19384         (bswapdi2_store): Likewise.
19385         (bswapdi2_reg): Likewise.
19386
19387 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
19388
19389         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
19390         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
19391
19392 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19393
19394         PR target/80103
19395         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
19396         add comments.
19397         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19398         special handling for target option conflicts between dform
19399         options (-mpower9-dform, -mpower9-dform-vector,
19400         -mpower9-dform-scalar) and -mno-direct-move.
19401
19402 2017-03-27  Richard Biener  <rguenther@suse.de>
19403
19404         PR tree-optimization/80181
19405         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
19406
19407 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19408
19409         * config/arc/predicates.md (move_double_src_operand): Replace the
19410         call to move_double_src_operand with a call to address_operand.
19411
19412 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19413
19414         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
19415         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
19416         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
19417
19418 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19419
19420         * config/arc/predicates.md (long_immediate_loadstore_operand):
19421         Consider scaled addresses cases.
19422
19423 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19424
19425         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
19426         restored when in interrupt.
19427         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
19428         doesn't have delay slot.
19429
19430 2017-03-27  Richard Biener  <rguenther@suse.de>
19431
19432         PR ipa/79776
19433         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
19434         inlined thunk clones.
19435
19436 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19437
19438         PR sanitizer/80168
19439         * asan.c (instrument_derefs): Copy over last operand from
19440         original COMPONENT_REF to the new COMPONENT_REF with
19441         DECL_BIT_FIELD_REPRESENTATIVE.
19442         * ubsan.c (instrument_object_size): Likewise.
19443
19444 2017-03-27  Richard Biener  <rguenther@suse.de>
19445
19446         PR tree-optimization/80170
19447         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
19448         sure DR/SCEV didnt fold in constants we do not see when looking
19449         at the reference base alignment.
19450
19451 2017-03-27  Richard Biener  <rguenther@suse.de>
19452
19453         PR middle-end/80171
19454         * gimple-fold.c (fold_ctor_reference): Properly guard against
19455         NULL return value from canonicalize_constructor_val.
19456
19457 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
19458
19459         PR target/80180
19460         * config/i386/i386.c (ix86_expand_builtin)
19461         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
19462         flags reg setting and flags reg using instructions.
19463         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
19464         clobbering instructions to zero extend op2.
19465
19466 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
19467
19468         * doc/install.texi (Configuration) <--with-aix-soname>:
19469         Update link to AIX ld.
19470
19471 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
19472
19473         PR rtl-optimization/80160
19474         PR rtl-optimization/80159
19475         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
19476         reg_alternate_class into account.
19477
19478 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
19479
19480         PR target/80148
19481         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
19482         to consider in curr_insn_transform.
19483
19484 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19485
19486         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
19487         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
19488         and emit_mode_inner.
19489
19490 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19491
19492         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
19493         argument to the overloaded builtin variants.  Use the new flag to
19494         deprecate certain builtin variants.
19495         * config/s390/s390-builtin-types.def: Add new builtin types.
19496         * config/s390/s390-builtins.h: Support new flags field for
19497         overloaded builtins.
19498         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
19499         (s390_macro_to_expand): Enable vector float data type.
19500         (s390_cpu_cpp_builtins_internal): Indicate support of the new
19501         builtins by incrementing the __VEC__ version number.
19502         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
19503         vec_xst.
19504         (s390_resolve_overloaded_builtin): Emit error messages depending
19505         on the builtin flags.
19506         * config/s390/s390.c (s390_expand_builtin): Support additional
19507         flags argument.  Change error message to match the messages
19508         emitted in s390-c.c.
19509         * config/s390/s390.md: New UNSPEC_* constants.
19510         (op_type): Add new instruction types.
19511         * config/s390/vecintrin.h: Add new builtins and test data class
19512         constants.
19513         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
19514         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
19515         (VEC_INEXACT, VEC_NOINEXACT): New constants.
19516         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
19517         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
19518         ("vec_mergel<mode>"): V_HW -> VEC_HW.
19519
19520         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
19521         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
19522         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
19523         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
19524
19525         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
19526         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
19527         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
19528         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
19529
19530         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
19531         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
19532         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
19533         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
19534         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
19535         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
19536         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
19537
19538         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
19539         ("vec_scatter_element<V_HW_4:mode>_DI")
19540         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
19541         ("vec_fpint<mode>", "vflls")
19542         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
19543         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
19544         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
19545         ("*vec_cmphe<mode>_cc"): ... these.
19546
19547         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
19548         mode constant instead of magic value.
19549
19550 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19551
19552         * config/s390/s390.c (s390_expand_vec_compare): Support other
19553         vector floating point modes than just V2DF.
19554         (s390_expand_vcond): Likewise.
19555         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
19556         (s390_cannot_change_mode_class): Prevent mode changes between TF
19557         and V1TF in vector registers.
19558         * config/s390/s390.md (DF, SF): New mode attributes.
19559         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
19560         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
19561         SFmode support for VRs.
19562         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
19563         vector fp modes.
19564         (VFT, VF_HW): New mode iterators.
19565         (vw, sdx): New mode attributes.
19566         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
19567         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
19568         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
19569         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
19570         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
19571         also the new vector floating point modes.  Renaming to ...
19572
19573         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
19574         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
19575         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
19576         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
19577         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
19578         ("vec_unordered<mode>"): ... these.
19579
19580         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
19581         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
19582         ("*vec_extendv2df"): New insn definitions.
19583
19584 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19585
19586         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
19587         ("mulditi3_2", "*muldi3_sign"): New patterns.
19588         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
19589         rename the pattern definition.
19590
19591 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19592
19593         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
19594         expander.
19595         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
19596
19597 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19598
19599         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
19600         instruction if possible.
19601         * config/s390/vector.md (vec_halfnumelts): New mode
19602         attribute.
19603         ("*vec_vllezlf<mode>"): New pattern.
19604
19605 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19606
19607         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
19608         ("popcountv4si2", "popcountv2di2"): Rename to ...
19609         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
19610         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
19611         condition.
19612         ("popcount<mode>2_vxe"): New pattern.
19613
19614 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19615
19616         * common/config/s390/s390-common.c (processor_flags_table): Add
19617         arch12.
19618         * config.gcc: Add arch12.
19619         * config/s390/driver-native.c (s390_host_detect_local_cpu):
19620         Default to arch12 for unknown CPU model numbers.
19621         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
19622         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
19623         PROCESSOR_max sanity check.
19624         * config/s390/s390-opts.h (enum processor_type): Add
19625         PROCESSOR_ARCH12.
19626         * config/s390/s390.c (processor_table): Add arch12.
19627         (s390_expand_builtin): Add check for B_VXE flag.
19628         (s390_issue_rate): Add PROCESSOR_ARCH12.
19629         (s390_get_sched_attrmask): Likewise.
19630         (s390_get_unit_mask): Likewise.
19631         (s390_sched_score): Enable z13 scheduling for arch12.
19632         (s390_sched_reorder): Likewise.
19633         (s390_sched_variable_issue): Likewise.
19634         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
19635         PF_VXE.
19636         (s390_tune_attr): Use z13 scheduling also for arch12.
19637         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
19638         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
19639         (TARGET_VXE_P): New macros.
19640         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
19641         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
19642         * config/s390/s390.opt: Add arch12 as processor_type.
19643
19644 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19645
19646         * config/s390/s390.md
19647         ("fixuns_truncdddi2", "fixuns_trunctddi2")
19648         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
19649         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
19650
19651         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
19652         Rename expanders to ...
19653
19654         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
19655         ("fixuns_truncdddi2_emu"): ... these.
19656
19657         ("fixuns_trunc<mode>si2_emu"): New expander.
19658
19659         ("*fixuns_truncdfdi2_z13"): Rename to ...
19660         ("*fixuns_truncdfdi2_vx"): ... this.
19661
19662 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19663
19664         * config/s390/2964.md: Remove the single element vector compare
19665         instructions which are no longer used.
19666         * config/s390/s390.c (s390_select_ccmode): Remove handling of
19667         vector CCmodes.
19668         (s390_canonicalize_comparison): Remove handling of DFmode
19669         compares.
19670         (s390_expand_vec_compare_scalar): Remove function.
19671         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
19672         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
19673         pattern.
19674         ("*cmp<mode>_ccs"): Add wfcdb instruction.
19675
19676 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19677
19678         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
19679         FP zero.
19680         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
19681         will anyway by matched by mov<mode>_64dfp.
19682
19683 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19684
19685         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
19686         vlef/vstef.  Add missing operand to vleif.
19687
19688 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19689
19690         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
19691         pair for all vector types with 64 bit elements.
19692         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
19693         * config/s390/vector.md (V_HW_64): ... here.
19694         (V_128_NOSINGLE): New mode iterator.
19695         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
19696         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
19697         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
19698         ("*vec_load_pairv2di"): Change to ...
19699         ("*vec_load_pair<mode>"): ... this one.
19700
19701 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19702
19703         * config/s390/constraints.md: Add comments.
19704         (jKK): Reject element sizes > 8 bytes.
19705         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
19706         s_operands.
19707         * config/s390/s390.md: Add the s_operand checks formerly in
19708         s390_split_ok_p to various splitters where they are still
19709         required.
19710         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
19711         for 128 bit vectors.  Plus two splitters.
19712
19713 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19714
19715         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
19716         the file.
19717
19718 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19719
19720         PR target/79893
19721         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
19722         error if the boundary argument is not constant.
19723
19724 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19725
19726         PR rtl-optimization/80112
19727         * loop-doloop.c (doloop_condition_get): Don't check condition
19728         if cmp isn't SET with IF_THEN_ELSE src.
19729
19730 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19731
19732         PR tree-optimization/80158
19733         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
19734         replacing a candidate statement, also replace it for the
19735         candidate's alternate interpretation.
19736         (replace_rhs_if_not_dup): Likewise.
19737         (replace_one_candidate): Likewise.
19738
19739 2017-03-24  Richard Biener  <rguenther@suse.de>
19740
19741         PR tree-optimization/80167
19742         * graphite-isl-ast-to-gimple.c
19743         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
19744         properly.
19745         (translate_isl_ast_to_gimple::get_rename): Likewise.
19746
19747 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19748
19749         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
19750         handling of certain combinations of target options, including the
19751         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
19752         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
19753
19754 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19755
19756         PR target/71436
19757         * config/arm/arm.md (*load_multiple): Add reload_completed to
19758         matching condition.
19759
19760 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19761             Richard Biener  <rguenth@suse.de>
19762
19763         PR tree-optimization/79908
19764         PR tree-optimization/80136
19765         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19766         been cast away, gimplify_and_add suffices.
19767
19768 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
19769
19770         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
19771
19772 2017-03-23  Richard Biener  <rguenther@suse.de>
19773
19774         PR tree-optimization/80032
19775         * gimplify.c (gimple_push_cleanup): Forced unconditional
19776         cleanups still have to go to the conditional_cleanups
19777         sequence.
19778
19779 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
19780
19781         PR tree-optimization/80072
19782         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
19783         to unsigned int.
19784         (next_operand_entry_id): Change type to unsigned int.
19785         (sort_by_operand_rank): Make sure to return the right return value
19786         even if unsigned fields are bigger than INT_MAX.
19787         (struct oecount): Change cnt and id type to unsigned int.
19788         (oecount_hasher::equal): Formatting fix.
19789         (oecount_cmp): Make sure to return the right return value
19790         even if unsigned fields are bigger than INT_MAX.
19791         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
19792
19793         PR c++/80129
19794         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
19795         TREE_READONLY on result if writing it more than once.
19796
19797         PR sanitizer/80110
19798         * doc/invoke.texi (-fsanitize=thread): Document that with
19799         -fnon-call-exceptions atomics are not able to throw
19800         exceptions.
19801
19802         PR sanitizer/80110
19803         * tsan.c: Include tree-eh.h.
19804         (instrument_builtin_call): Call maybe_clean_eh_stmt or
19805         maybe_clean_or_replace_eh_stmt where needed.
19806         (instrument_memory_accesses): Add cfg_changed argument.
19807         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
19808         if it returned true.
19809         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
19810
19811         PR rtl-optimization/63191
19812         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
19813         wrapper function, moved the whole old content into ...
19814         (ix86_delegitimize_address_1): ... this.  New inline function.
19815         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
19816         true as last argument instead of ix86_delegitimize_address.
19817
19818 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19819
19820         * config/aarch64/aarch64.c (generic_branch_cost): Copy
19821         cortexa57_branch_cost.
19822
19823 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19824
19825         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
19826
19827 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19828
19829         PR target/80123
19830         * doc/md.texi (Constraints): Document wA constraint.
19831         * config/rs6000/constraints.md (wA): New.
19832         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
19833         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
19834         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
19835         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
19836
19837 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
19838
19839         PR c++/80029
19840         * gimplify.c (is_oacc_declared): New function.
19841         (oacc_default_clause): Use it to set default flags for acc declared
19842         variables inside parallel regions.
19843         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
19844         declared variables.
19845         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
19846         declare attribute to any decl as necessary.
19847
19848 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19849
19850         PR target/80082
19851         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
19852         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
19853         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
19854         (arm_arch_lpae): This.
19855         * config/arm/arm.c (arm_arch7ve): Rename into ...
19856         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
19857         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
19858         arm_arch_lpae.
19859
19860 2017-03-22  Martin Liska  <mliska@suse.cz>
19861
19862         PR target/79906
19863         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
19864         error message instead of an ICE.
19865
19866 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19867
19868         * doc/extend.texi (6.11 Additional Floating Types): Revise.
19869
19870 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19871
19872         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
19873         comments.
19874         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19875         comments.
19876
19877 2017-03-21  Martin Sebor  <msebor@redhat.com>
19878
19879         * doc/extend.texi: Use "cannot" instead of "can't."
19880         * doc/hostconfig.texi: Same.
19881         * doc/install.texi: Same.
19882         * doc/invoke.texi: Same.
19883         * doc/loop.texi: Same.
19884         * doc/md.texi: Same.
19885         * doc/objc.texi: Same.
19886         * doc/rtl.texi: Same.
19887         * doc/tm.texi: Same.
19888         * doc/tm.texi.in: Same.
19889         * doc/trouble.texi: Same.
19890
19891 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
19892
19893         PR debug/63238
19894         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
19895         (collect_checksum_attributes): Set it.
19896         (die_checksum_ordered): Use it.
19897
19898 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19899
19900         PR tree-optimization/79908
19901         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
19902         change: For a VA_ARG whose LHS has been cast away, use
19903         force_gimple_operand to construct the side effects.
19904
19905 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
19906
19907         PR translation/80001
19908         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
19909         more amenable to translation.
19910         (oacc_loop_auto_partitions): Likewise.
19911
19912 2017-03-21  Marek Polacek  <polacek@redhat.com>
19913             Martin Sebor  <msebor@redhat.com>
19914
19915         PR tree-optimization/80109
19916         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
19917         on INTEGRAL_TYPE_P.
19918
19919 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19920             Segher Boessenkool  <segher@kernel.crashing.org>
19921
19922         PR target/80125
19923         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
19924         check reg_used_between_p between insn and one of succ or succ2
19925         depending on if succ is artificial insn not inserted into insn
19926         stream.
19927
19928 2017-03-21  Martin Liska  <mliska@suse.cz>
19929
19930         PR gcov-profile/80081
19931         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
19932         * doc/gcc.texi: Include gcov-dump stuff.
19933         * doc/gcov-dump.texi: New file.
19934
19935 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
19936
19937         PR rtl-optimization/79150
19938         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
19939         conditional jump, if the jump is the last insn of the loop.
19940
19941 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19942             Richard Biener  <rguenth@suse.de>
19943
19944         PR tree-optimization/79908
19945         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19946         been cast away, use force_gimple_operand to construct the side
19947         effects.
19948
19949 2017-03-21  Martin Liska  <mliska@suse.cz>
19950
19951         PR libfortran/79956
19952         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
19953         to NULL.
19954
19955 2017-03-21  Brad Spengler <spender@grsecurity.net>
19956
19957         PR plugins/80094
19958         * plugin.c (htab_hash_plugin): New function.
19959         (add_new_plugin): Use it and adjust.
19960         (parse_plugin_arg_opt): Adjust.
19961         (init_one_plugin): Likewise.
19962
19963 2017-03-21  Richard Biener  <rguenther@suse.de>
19964
19965         PR tree-optimization/80032
19966         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
19967         if set force the cleanup to happen unconditionally.
19968         (gimplify_target_expr): Push inserted clobbers with force_uncond
19969         to avoid them being removed by control-dependent DCE.
19970
19971 2017-03-21  Richard Biener  <rguenther@suse.de>
19972
19973         PR tree-optimization/80122
19974         * tree-inline.c (copy_bb): Do not expans va-arg packs or
19975         va_arg_pack_len when the inlined call stmt requires pack
19976         expansion itself.
19977         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
19978
19979 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19980
19981         PR sanitizer/78158
19982         * tsan.c (instrument_builtin_call): If the memory model argument
19983         is not a constant, assume it is valid.
19984
19985         PR c/67338
19986         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
19987         avoid UB.
19988
19989 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19990
19991         PR rtl-optimization/79910
19992         * combine.c (can_combine_p): Do not allow combining an I0 or I1
19993         if its dest is used by an insn before I2 (other than the combined
19994         insns themselves, which are properly handled already).
19995
19996 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19997
19998         Revert:
19999         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20000
20001         * combine.c (record_used_regs): New static function.
20002         (try_combine): Handle situations where there is an additional
20003         instruction between I2 and I3 which needs to have a LOG_LINK
20004         updated.
20005
20006         Revert:
20007         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20008
20009         * combine.c (try_combine): Delete redundant i1 test.  Call
20010         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20011
20012 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20013
20014         PR target/80083
20015         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
20016         alternatives 13/14.
20017
20018 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20019
20020         PR tree-optimization/80054
20021         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
20022         the optimization if a PHI or any of its arguments is not dominated
20023         by the candidate's basis.  Use gphi* rather than gimple* as
20024         appropriate.
20025         (replace_profitable_candidates): Clean up a gimple* variable that
20026         should be a gphi* variable.
20027
20028 2017-03-20  Martin Sebor  <msebor@redhat.com>
20029
20030         PR c++/52477
20031         * doc/extend.texi (attribute constructor): Document present limitation.
20032
20033 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20034
20035         PR target/79963
20036         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
20037         __POWER9_VECTOR__ #ifdef control, change template definition to
20038         use Power9-specific built-in function.
20039         (vec_any_eq): Likewise.
20040         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
20041         to control outcomes from this test.
20042         (vector_ae_<mode>p): For VEC_F modes, likewise.
20043
20044 2017-03-20  Ian Lance Taylor  <iant@google.com>
20045
20046         * config/i386/i386.c (ix86_function_regparm): Save an extra
20047         register for -fsplit-stack with DECL_STATIC_CHAIN.
20048
20049 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20050
20051         PR target/79912
20052         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
20053         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
20054
20055 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20056
20057         * config/riscv/riscv.c (riscv_print_operand): Use "fence
20058         iorw,ow".
20059         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
20060         iorw,iorw".
20061
20062 2017-03-20  Marek Polacek  <polacek@redhat.com>
20063
20064         PR sanitizer/80063
20065         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
20066
20067 2017-03-20  Richard Biener  <rguenther@suse.de>
20068
20069         PR tree-optimization/80113
20070         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
20071         allocate extra SSA name for PHI def.
20072         (add_close_phis_to_outer_loops): Likewise.
20073         (add_close_phis_to_merge_points): Likewise.
20074         (copy_loop_close_phi_args): Likewise.
20075         (copy_cond_phi_nodes): Likewise.
20076
20077 2017-03-20  Martin Liska  <mliska@suse.cz>
20078
20079         PR middle-end/79753
20080         * tree-chkp.c (chkp_build_returned_bound): Do not build
20081         returned bounds for a LHS that's not a BOUNDED_P type.
20082
20083 2017-03-20  Martin Liska  <mliska@suse.cz>
20084
20085         PR target/79769
20086         PR target/79770
20087         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
20088         COMPLEX_CST and VECTOR_CST.
20089
20090 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20091
20092         PR target/78857
20093         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
20094         target operand.  A new splitter adds the clobber statement in case
20095         the target operand is dead anyway.
20096
20097 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
20098
20099         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
20100         to age-old versions of binutils and glibc.
20101
20102 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
20103
20104         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
20105
20106 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20107
20108         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
20109
20110 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20111
20112         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
20113         requirement for binutils 2.13.
20114
20115 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20116
20117         * combine.c (try_combine): Delete redundant i1 test.  Call
20118         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20119
20120 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
20121
20122         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
20123         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
20124         contents.
20125         <riscv64-*-elf>: Re-arrange section
20126         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
20127         <riscv32-*-linux>: Likewise.
20128         <riscv64-*-elf>: Likewise
20129         <riscv64-*-linux>: Likewise.
20130
20131 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
20132
20133         PR target/80052
20134         * aarch64.opt(verbose-cost-dump): Fix typo.
20135
20136 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
20137
20138         PR target/79951
20139         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
20140         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
20141
20142 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20143
20144         * reload.c (find_reloads): When reloading a nonoffsettable address,
20145         use RELOAD_OTHER for it and its address reloads.
20146
20147         PR rtl-optimization/79910
20148         * combine.c (record_used_regs): New static function.
20149         (try_combine): Handle situations where there is an additional
20150         instruction between I2 and I3 which needs to have a LOG_LINK
20151         updated.
20152
20153 2017-03-17  Jeff Law  <law@redhat.com>
20154
20155         PR tree-optimization/71437
20156         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
20157         conditional in the hash table first.
20158         (vrp_dom_walker::before_dom_children): Extract condition from
20159         ASSERT_EXPR.  Record condition, its inverion and any implied
20160         conditions as well.
20161
20162 2017-03-17  Marek Polacek  <polacek@redhat.com>
20163             Markus Trippelsdorf  <markus@trippelsdorf.de>
20164
20165         PR tree-optimization/80079
20166         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
20167         m_stores_head.
20168
20169 2017-03-17  Richard Biener  <rguenther@suse.de>
20170
20171         PR middle-end/80075
20172         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
20173         Properly verify the LHS before the RHS possibly claims to be
20174         handled.
20175         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
20176         do not throw.
20177
20178 2017-03-17  Martin Jambor  <mjambor@suse.cz>
20179
20180         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
20181         (List of -O2 options): Likewise.
20182         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
20183         (-fipa-vrp) New.
20184
20185 2017-03-17  Tom de Vries  <tom@codesourcery.com>
20186
20187         * gcov-dump.c (print_usage): Print bug_report_url.
20188
20189 2017-03-17  Richard Biener  <rguenther@suse.de>
20190
20191         PR middle-end/80050
20192         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
20193         (parser::peek): Likewise.
20194
20195 2017-03-17  Richard Biener  <rguenther@suse.de>
20196
20197         PR tree-optimization/80048
20198         * sese.c (free_sese_info): Properly release rename_map and
20199         copied_bb_map elements.
20200
20201 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
20202
20203         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
20204         Add linked-list forward and backlinks.  Insert on
20205         construction, remove on destruction.
20206         (class pass_store_merging): Add m_stores_head field.
20207         (pass_store_merging::terminate_and_process_all_chains):
20208         Iterate over m_stores_head list.
20209         (pass_store_merging::terminate_all_aliasing_chains):
20210         Likewise.
20211         (pass_store_merging::execute): Check for debug stmts first.
20212         Push new chains onto the m_stores_head stack.
20213
20214 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
20215
20216         PR target/71294
20217         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
20218         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
20219         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
20220
20221 2017-03-16  Jeff Law  <law@redhat.com>
20222
20223         PR tree-optimization/71437
20224         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
20225         member function.  Implementation moved into after_dom_children
20226         member function and into the threader's thread_outgoing_edges
20227         function.
20228         (dom_opt_dom_walker::after_dom_children): Simplify by moving
20229         some code into new thread_outgoing_edges.
20230         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
20231         definition.  Simplify marker handling (do it here).   Assume we always
20232         have the available expression and the const/copies tables.
20233         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
20234         and tree-vrp.c
20235         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
20236         * tree-vrp.c (equiv_stack): No longer file scoped.
20237         (vrp_dom_walker): New class.
20238         (vrp_dom_walker::before_dom_children): New member function.
20239         (vrp_dom_walker::after_dom_children): Likewise.
20240         (identify_jump_threads):  Setup domwalker.  Use it rather than
20241         walking edges in a random order by hand.  Simplify setup/finalization.
20242         (finalize_jump_threads): Remove.
20243         (vrp_finalize): Do not call identify_jump_threads here.
20244         (execute_vrp): Do it here instead and call thread_through_all_blocks
20245         here too.
20246
20247         PR tree-optimization/71437
20248         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
20249         callers changed.
20250         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
20251         callers changed.
20252         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
20253         (dom_opt_dom_walker::thread_across_edge): Remove
20254         handle_dominating_asserts argument.  All callers changed.
20255         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
20256         changes.  Remove calls to lhs_of_dominating_assert.  Other
20257         uses of handle_dominating_asserts turn into unconditional code
20258         (simplify_control_stmt_condition_1): Likewise.
20259         (simplify_control_stmt_condition): Likewise.
20260         (thread_through_normal_block, thread_across_edge): Likewise.
20261         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
20262         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
20263         object if it is not an SSA_NAME.
20264         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
20265         before calling into the VRP specific simplifiers.
20266         (identify_jump_threads): Remove handle_dominating_asserts
20267         argument.
20268
20269 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
20270
20271         PR fortran/79886
20272         * tree-diagnostic.c (default_tree_printer): No longer static.
20273         * tree-diagnostic.h (default_tree_printer): New prototype.
20274
20275 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
20276
20277         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
20278         Change ins into fmov.
20279
20280 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20281
20282         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
20283         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
20284         Use h_con constraint for operand 1.
20285         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
20286         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
20287
20288 2017-03-15  Jeff Law  <law@redhat.com>
20289
20290         PR tree-optimization/71437
20291         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
20292         (record_temporary_equivalences): Use it.
20293
20294         PR tree-optimization/71437
20295         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
20296         tree-ssa-scopedtables.
20297         (lookup_avail_expr, build_and_record_new_cond): Likewise.
20298         (record_conditions, record_cond, vuse_eq): Likewise.
20299         (record_edge_info): Adjust to API tweak of record_conditions.
20300         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
20301         (record_temporary_equivalences, optimize_stmt): Likewise.
20302         (eliminate_redundant_computations): Likewise.
20303         (record_equivalences_from_stmt): Likewise.
20304         * tree-ssa-scopedtables.c: Include options.h and params.h.
20305         (vuse_eq): New function, moved from tree-ssa-dom.c
20306         (build_and_record_new_cond): Likewise.
20307         (record_conditions): Likewise.  Accept vector of conditions rather
20308         than edge_equivalence structure for first argument.
20309         for the first argument.
20310         (avail_exprs_stack::lookup_avail_expr): New member function, moved
20311         from tree-ssa-dom.c.
20312         (avail_exprs_stack::record_cond): Likewise.
20313         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
20314         from tree-ssa-dom.c.
20315         (avail_exprs_stack): Add new member functions lookup_avail_expr
20316         and record_cond.
20317         (record_conditions): Declare.
20318
20319 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
20320
20321         PR target/80017
20322         * lra-constraints.c (process_alt_operands): Increase reject for
20323         reloading an input/output operand.
20324
20325 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
20326
20327         PR target/79038
20328         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
20329         insns to convert from signed/unsigned char/short to IEEE 128-bit
20330         floating point.
20331         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
20332
20333 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
20334
20335         PR target/80019
20336         * config/i386/i386.c (ix86_vector_duplicate_value): Create
20337         subreg of inner mode for values already in registers.
20338
20339 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
20340
20341         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
20342         iteration reg is used after the loop.
20343
20344 2017-03-14  Martin Sebor  <msebor@redhat.com>
20345
20346         PR tree-optimization/79800
20347         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
20348         precision in negative-positive range.
20349         (format_floating): Call non-const overload with adjusted precision.
20350
20351 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
20352
20353         PR target/79947
20354         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
20355         -mpowerpc-gfxopt.
20356
20357 2017-03-14  Martin Sebor  <msebor@redhat.com>
20358
20359         PR middle-end/80020
20360         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
20361         * builtins.def (aligned_alloc): Use it.
20362
20363         PR c/79936
20364         * Makefile.in (GTFILES): Add calls.c.
20365         * calls.c: Include "gt-calls.h".
20366
20367 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
20368
20369         PR rtl-optimization/79728
20370         * regs.h (struct target_regs): New field
20371         x_contains_allocatable_regs_of_mode.
20372         (contains_allocatable_regs_of_mode): New macro.
20373         * reginfo.c (init_reg_sets_1): Initialize it, and change
20374         contains_reg_of_mode so it includes global regs as well.
20375         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
20376         rather than contains_regs_of_mode.
20377
20378 2017-03-14  Martin Liska  <mliska@suse.cz>
20379
20380         * doc/invoke.texi: Document options that can't be combined with
20381         -fcheck-pointer-bounds.
20382
20383 2017-03-14  Martin Liska  <mliska@suse.cz>
20384
20385         PR middle-end/79831
20386         * doc/invoke.texi (-Wchkp): Document the option.
20387
20388 2017-03-14  Martin Liska  <mliska@suse.cz>
20389
20390         * Makefile.in: Install gcov-dump.
20391
20392 2017-03-14  Martin Liska  <mliska@suse.cz>
20393
20394         * multiple_target.c (expand_target_clones): Bail out for
20395         an invalid attribute.
20396
20397 2017-03-14  Richard Biener  <rguenther@suse.de>
20398
20399         * alias.c (struct alias_set_entry): Pack properly.
20400         * cfgloop.h (struct loop): Likewise.
20401         * cse.c (struct set): Likewise.
20402         * ipa-utils.c (struct searchc_env): Likewise.
20403         * loop-invariant.c (struct invariant): Likewise.
20404         * lra-remat.c (struct cand): Likewise.
20405         * recog.c (struct change_t): Likewise.
20406         * rtl.h (struct address_info): Likewise.
20407         * symbol-summary.h (function_summary): Likewise.
20408         * tree-loop-distribution.c (struct partition): Likewise.
20409         * tree-object-size.c (struct object_size_info): Likewise.
20410         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
20411         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
20412         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
20413         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
20414         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
20415         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
20416         (struct _stmt_vec_info): Likewise.
20417
20418 2017-03-14  Martin Liska  <mliska@suse.cz>
20419
20420         PR target/79892
20421         * multiple_target.c (create_dispatcher_calls): Check that
20422         a target can create a function dispatcher.
20423
20424 2017-03-14  Martin Liska  <mliska@suse.cz>
20425
20426         PR lto/66295
20427         * multiple_target.c (expand_target_clones): Drop local.local
20428         flag for default implementation.
20429
20430 2017-03-14  Richard Biener  <rguenther@suse.de>
20431
20432         PR tree-optimization/80030
20433         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
20434
20435 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
20436
20437         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
20438         gcc_fallthrough() instead of __attribute__((fallthrough));
20439
20440 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20441
20442         * doc/gcc.texi: Remove "up" link to (DIR).
20443         * doc/gccint.texi: Ditto.
20444
20445 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20446
20447         * doc/install.texi (Specific) <avr>: Remove reference to
20448         binutils 2.13.
20449
20450 2017-03-13  Jeff Law  <law@redhat.com>
20451
20452         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
20453         attribute rather than comments.
20454
20455         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
20456         match_scratch operand is highest.
20457
20458 2017-03-13  Martin Liska  <mliska@suse.cz>
20459
20460         PR middle-end/78339
20461         * ipa-pure-const.c (warn_function_noreturn): If the declarations
20462         is a CHKP clone, use original declaration.
20463
20464 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20465
20466         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
20467         (arc_conditional_register_usage): Use a different allocation order
20468         when optimizing for size.
20469         * common/config/arc/arc-common.c (arc_option_optimization_table):
20470         Section anchors default on when optimizing for size.
20471
20472 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20473
20474         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
20475
20476 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20477
20478         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
20479         * config/arc/arc.md (cpu_facility): Add cd variant.
20480         (*movqi_insn): Add code density variant.
20481         (*movhi_insn): Likewise.
20482         (*movqi_insn): Likewise.
20483         (*addsi3_mixed): Likewise.
20484         (subsi3_insn): Likewise.
20485
20486 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20487
20488         * config/arc/arc.md (movsi_cond_exec): Update constraint.
20489
20490 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20491
20492         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
20493         expressions with MINUS and UNARY ops.
20494
20495 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20496
20497         PR target/79911
20498         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
20499         Rename to...
20500         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
20501         between vec_select and vector argument.
20502         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
20503         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
20504         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
20505         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
20506         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
20507         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
20508
20509 2017-03-13  Richard Biener  <rguenther@suse.de>
20510
20511         PR other/79991
20512         * params.def (vect-max-peeling-for-alignment): Fix typo.
20513
20514 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20515
20516         * doc/install.texi (Specific) <mips-*-*>: Remove description of
20517         issue that only occurred with binutils below 2.18.
20518
20519 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20520
20521         * doc/install.texi (Specific) <cris-axis-elf>: No longer
20522         refer to binutils 2.11/2.12 minimum.
20523
20524 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20525
20526         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
20527         ftp.kernel.org and simplify binutils requirement.
20528
20529 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
20530
20531         * doc/invoke.texi (Warning Options): Fix spelling of link-time
20532         optimization.
20533         (Optimize Options): Ditto.  Also remove redundancy.
20534
20535 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20536
20537         PR translation/79848
20538         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
20539         "%qs".
20540         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
20541         to G_ to avoid double translation.
20542
20543 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20544
20545         PR translation/79923
20546         * auto-profile.c (get_combined_location): Convert leading
20547         character of diagnostics to lower case and remove trailing period.
20548         (read_profile): Likewise for various diagnostics.
20549         * config/arm/arm.c (arm_option_override): Remove trailing period
20550         from various diagnostics.
20551         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
20552         (msp430_expand_delay_cycles): Likewise.
20553
20554 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20555
20556         PR target/79925
20557         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
20558         full command-line argument, rather than just "str".
20559         (aarch64_validate_march): Likewise.
20560         (aarch64_validate_mtune): Likewise.
20561
20562 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
20563
20564         PR rtl-optimization/78911
20565         * lra-assigns.c (must_not_spill_p): New function.
20566         (spill_for): Use it.
20567
20568 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20569
20570         PR tree-optimization/79981
20571         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
20572         ATOMIC_COMPARE_EXCHANGE ifn result.
20573         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
20574         IFN_ATOMIC_COMPARE_EXCHANGE.
20575
20576 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20577
20578         PR driver/79875
20579         * opts.c (parse_sanitizer_options): Add missing question mark to
20580         "did you mean" message.
20581
20582 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20583
20584         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
20585         built-in.
20586         (VMULEUH_UNS): Likewise.
20587         (VMULOUB_UNS): Likewise.
20588         (VMULOUH_UNS): Likewise.
20589         * config/rs6000/rs6000.c (builtin_function_type): Remove
20590         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
20591
20592 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20593
20594         PR bootstrap/79952
20595         * read-rtl-function.c (function_reader::read_rtx_operand): Update
20596         x with result of extra_parsing_for_operand_code_0.
20597         (function_reader::extra_parsing_for_operand_code_0): Convert
20598         return type from void to rtx, returning x.  When reading
20599         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
20600         larger size containing struct block_symbol.
20601
20602 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
20603
20604         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
20605         -mfloat128-hardware without -m64.
20606
20607 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
20608
20609         PR target/79941
20610         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
20611         entries to the case statement that marks unsigned arguments to
20612         overloaded functions.
20613
20614 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20615
20616         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
20617         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
20618
20619 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
20620
20621         PR target/79907
20622         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
20623         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
20624
20625 2017-03-10  Martin Liska  <mliska@suse.cz>
20626
20627         PR target/65705
20628         PR target/69804
20629         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
20630         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
20631         FIELD != NULL.
20632
20633 2017-03-10  Olivier Hainque  <hainque@adacore.com>
20634
20635         * tree-switch-conversion (array_value_type): Start by resetting
20636         candidate type to it's main variant.
20637
20638 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20639
20640         PR rtl-optimization/79909
20641         * combine.c (try_combine): Use simplify_replace_rtx on individual
20642         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
20643         of the whole CALL_INSN_FUNCTION_USAGE.
20644
20645         PR tree-optimization/79972
20646         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
20647         get_range_info on SSA_NAMEs.  Formatting fixes.
20648
20649 2017-03-10  Richard Biener  <rguenther@suse.de>
20650             Jakub Jelinek  <jakub@redhat.com>
20651
20652         PR tree-optimization/77975
20653         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
20654         edge to be constant.
20655         (get_val_for): For constant x return it.  Formatting fix.
20656         (loop_niter_by_eval): Avoid pointless looping if the next iteration
20657         would use the same bases as the current one.
20658
20659 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20660
20661         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
20662         instead of vec_select for V1TImode.
20663         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
20664         longer needed.
20665         (VSX_LE_128): Add V1TI to this mode iterator.
20666         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
20667         (*vsx_le_perm_store_<mode>): Likewise.
20668         (pre-reload splitter for VSX stores): Likewise.
20669         (post-reload splitter for VSX stores): Likewise.
20670         (*vsx_xxpermdi2_le_<mode>): Likewise.
20671         (*vsx_lxvd2x2_le_<mode>): Likewise.
20672         (*vsx_stxvd2x2_le_<mode>): Likewise.
20673
20674 2017-03-09  Michael Eager  <eager@eagercon.com>
20675
20676         Correct failures with --enable-checking=yes,rtl.
20677
20678         * config/microblaze/microblaze.c (microblaze_expand_shift):
20679         Replace GET_CODE test with CONST_INT_P and INTVAL test with
20680         test for const0_rtx.
20681         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
20682         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
20683
20684 2017-03-09  Richard Biener  <rguenther@suse.de>
20685
20686         PR tree-optimization/79977
20687         * graphite-scop-detection.c (scop_detection::merge_sese):
20688         Handle the case of extra exits to blocks dominating the entry.
20689
20690 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
20691
20692         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
20693         Document rdynamic.
20694
20695 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
20696
20697         PR rtl-optimization/79949
20698         * lra-constraints.c (process_alt_operands): Check memory when
20699         trying to predict a cycle.  Print about the overall increase.
20700
20701 2017-03-09  Richard Biener  <rguenther@suse.de>
20702
20703         PR middle-end/79971
20704         * gimple-expr.c (useless_type_conversion_p): Preserve
20705         TYPE_SATURATING for fixed-point types.
20706
20707 2017-03-09  Richard Biener  <rguenther@suse.de>
20708
20709         PR ipa/79970
20710         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
20711         alignment of BLKmode params.
20712
20713 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20714
20715         PR target/79913
20716         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
20717         (VALL_NO_V2Q): Likewise.
20718         (VDQF_DF): Delete.
20719         * config/aarch64/aarch64-simd.md
20720         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
20721         iterator.
20722         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
20723         VALL_NO_V2Q mode iterator.
20724         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
20725
20726 2017-03-09  Martin Liska  <mliska@suse.cz>
20727
20728         PR tree-optimization/79631
20729         * tree-chkp-opt.c (chkp_is_constant_addr): Call
20730         tree_int_cst_sign_bit just for INTEGER constants.
20731
20732 2017-03-09  Martin Liska  <mliska@suse.cz>
20733
20734         PR target/65705
20735         PR target/69804
20736         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
20737         sanitizers.
20738
20739 2017-03-09  Marek Polacek  <polacek@redhat.com>
20740
20741         PR c++/79672
20742         * tree.c (inchash::add_expr): Handle TREE_VEC.
20743
20744 2017-03-09  Martin Liska  <mliska@suse.cz>
20745
20746         PR ipa/79764
20747         (chkp_narrow_size_and_offset): New function.
20748         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
20749         (void chkp_parse_bit_field_ref): New function.
20750         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
20751         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
20752
20753 2017-03-09  Martin Liska  <mliska@suse.cz>
20754
20755         PR ipa/79761
20756         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
20757         (chkp_find_bounds_1): Remove gcc_unreachable.
20758
20759 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
20760
20761         PR sanitizer/79944
20762         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
20763         BUILT_IN_SYNC*, determine the access type from the size suffix and
20764         always build a MEM_REF with that type.  Handle forgotten
20765         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
20766
20767         PR target/79932
20768         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
20769         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
20770         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
20771         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
20772         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
20773         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
20774         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
20775         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
20776         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
20777         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
20778         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
20779         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
20780         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
20781         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
20782         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
20783         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
20784         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
20785         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
20786         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
20787         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
20788         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
20789         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
20790         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
20791         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
20792         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
20793         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
20794         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
20795         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
20796         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
20797         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
20798         definitions outside of __OPTIMIZE__ guarded section.
20799
20800         PR target/79932
20801         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
20802         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
20803         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
20804         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
20805         guarded section.
20806
20807 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20808
20809         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
20810         ("vfenez<mode>"): Add missing constraints.
20811
20812 2017-03-08  Martin Sebor  <msebor@redhat.com>
20813
20814         PR target/79928
20815         * config/nds32/nds32.c (nds32_option_override):
20816         Fix misspelled diagnostic.
20817
20818 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20819
20820         PR c/79940
20821         * gimplify.c (gimplify_omp_for): Replace index var in outer
20822         taskloop statement with an artificial variable and add
20823         OMP_CLAUSE_PRIVATE clause for it.
20824
20825 2017-03-08  Richard Biener  <rguenther@suse.de>
20826
20827         PR tree-optimization/79955
20828         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
20829         for accesses that are completely outside of the variable.
20830
20831 2017-03-08  Andrew Haley  <aph@redhat.com>
20832
20833         PR tree-optimization/79943
20834         * tree-ssa-loop-split.c (compute_new_first_bound): When
20835         calculating the new upper bound, (END-BEG) should be added, not
20836         subtracted.
20837
20838 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20839
20840         * config/avr/avr.md (setmemhi): Make sure match_dup
20841         operand number comes before match_scratch.
20842
20843 2017-03-08  Richard Biener  <rguenther@suse.de>
20844
20845         PR tree-optimization/79920
20846         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
20847         with ncopies == 1 to ...
20848         (vect_transform_slp_perm_load): ... here.  Properly compute
20849         all element loads by iterating VF times over the group.  Do
20850         not handle ncopies (computed in a broken way) in
20851         vect_create_mask_and_perm.
20852
20853 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20854
20855         PR sanitizer/79904
20856         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
20857         is a uniform vector, use uniform_vector_p return value instead of
20858         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
20859
20860 2017-03-07  Marek Polacek  <polacek@redhat.com>
20861
20862         PR middle-end/79809
20863         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
20864         (alloca_call_type): Likewise.
20865
20866 2017-03-07  Martin Liska  <mliska@suse.cz>
20867
20868         * gcov.c (process_args): Put comment to correct location.
20869
20870 2017-03-07  Martin Liska  <mliska@suse.cz>
20871
20872         PR middle-end/68270
20873         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
20874         Use array_at_struct_end_p instead of DECL_CHAIN (field).
20875         (chkp_narrow_bounds_for_field): Likewise.
20876         (chkp_parse_array_and_component_ref): Pass one more argument to
20877         call.
20878
20879 2017-03-07  Richard Biener  <rguenther@suse.de>
20880
20881         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
20882         preheaders.
20883
20884 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
20885
20886         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
20887         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
20888
20889 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20890
20891         PR c/79855
20892         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
20893         to end of description.
20894         (PARAM_MAX_STORES_TO_MERGE): Likewise.
20895
20896 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
20897
20898         PR rtl-optimization/79901
20899         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
20900         ...
20901         (*avx512f_<code><mode>3<mask_name>): ... this.
20902         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
20903         iterator instead of VI8_AVX2_AVX512BW.
20904
20905         PR rtl-optimization/79901
20906         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
20907         min/max expander, expand it using expand_vec_cond_expr.
20908
20909         PR sanitizer/79897
20910         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
20911         temporary.
20912
20913 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20914
20915         PR c++/79821
20916         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
20917         to void * for PCH reasons.
20918         * dwarf2out.c (output_loc_operands, output_die): Cast
20919         v.val_vec.array to unsigned char *.
20920
20921 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
20922
20923         PR target/77850
20924         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
20925         vector types.
20926
20927 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
20928
20929         PR rtl-optimization/79571
20930         * lra-constraints.c (process_alt_operands): Calculate static
20931         reject and subtract it from overall when only addresses will be
20932         reloaded.
20933
20934 2017-03-06  Julia Koval  <julia.koval@intel.com>
20935
20936         PR target/79793
20937         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
20938         incoming stack boundary to 128 for 64-bit targets.
20939
20940 2017-03-06  Richard Biener  <rguenther@suse.de>
20941
20942         PR tree-optimization/79894
20943         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
20944         to NULL after folding it.
20945
20946 2017-03-06  Richard Biener  <rguenther@suse.de>
20947
20948         PR tree-optimization/79824
20949         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
20950         check disabling peeling for gaps.
20951
20952 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
20953
20954         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
20955         attributes): Document gettimeofday.
20956
20957 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20958
20959         * config/s390/s390.c (s390_option_override_internal): Set
20960         PARAM_MIN_VECT_LOOP_BOUND
20961
20962 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20963
20964         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
20965         * config/s390/s390.md: Likewise.
20966
20967 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20968
20969         PR target/79812
20970         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
20971         (<avx2_avx512>_perm<mode>): Rename to ...
20972         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
20973         of VI8F_256_512.
20974         (<avx512>_perm<mode>_mask): Rename to ...
20975         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
20976         of VI8F_256_512.
20977         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
20978         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
20979         instead of VI8F_256_512.
20980         (avx512f_perm<mode>): New define_expand.
20981         (avx512f_perm<mode>_mask): Likewise.
20982         (avx512f_perm<mode>_1<mask_name>): New define_insn.
20983         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
20984
20985 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20986
20987         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
20988         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
20989         if_then_else.
20990         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
20991
20992 2017-03-06  Martin Liska  <mliska@suse.cz>
20993
20994         PR sanitize/79783
20995         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
20996         when having a SSA NAME w/o VAR_DECL assigned to it.
20997
20998 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20999
21000         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
21001         msa_dpsub_<su>_d): Fix MODE for vec_select.
21002
21003 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21004
21005         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
21006         argument.
21007         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
21008
21009 2017-03-06  Richard Biener  <rguenther@suse.de>
21010
21011         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
21012         * plugin.c (register_plugin_info): Likewise.
21013         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
21014
21015 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
21016
21017         * config/i386/sse.md (sse_storehps, sse_storelps,
21018         avx_<castmode><avxsizesuffix>_<castmode>,
21019         avx512f_<castmode><avxsizesuffix>_<castmode>,
21020         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
21021         in condition that at least one operand is not a MEM.
21022
21023 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21024
21025         PR middle-end/79805
21026         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
21027         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
21028         ECF_NOTHROW.
21029         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
21030         gimple_call_nothrow_p flag based on whether original builtin can throw.
21031         If it can, emit following stmts on the fallthrough edge.
21032         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
21033         don't create new bb if inserting just debug stmts on the edge, try to
21034         insert them on the fallthru bb or just reset debug stmts.
21035
21036 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
21037
21038         PR target/43763
21039         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
21040         restore recog_data (including the operand rtxes inside it) around
21041         the call to get_insn_template.
21042
21043 2017-03-03  Martin Sebor  <msebor@redhat.com>
21044
21045         PR tree-optimization/79699
21046         * context.c (context::~context): Free MPFR caches to avoid
21047         a memory leak on program exit.
21048
21049 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21050
21051         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
21052         Use wide_int::ulow () instead of .elt (0).
21053
21054 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21055
21056         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
21057         (*pushxf): Limit oF constraint to 32bit targets and add oC
21058         constraint for 64bit targets.
21059         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
21060         (*pushdf): Change rmF constraint to rmC.
21061
21062 2017-03-03  Martin Liska  <mliska@suse.cz>
21063
21064         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
21065         Remove unused variable.
21066
21067 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21068
21069         PR target/79807
21070         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
21071         is a memory operand, increase num_memory.
21072         (ix86_expand_args_builtin): Likewise.
21073
21074 2017-03-03  Jan Hubicka  <jh@suse.cz>
21075
21076         PR lto/79760
21077         * ipa-devirt.c (maybe_record_node): Properly handle
21078         __cxa_pure_virtual visibility.
21079
21080 2017-03-03  Martin Liska  <mliska@suse.cz>
21081
21082         PR tree-optimization/79803
21083         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
21084         assert.
21085         (pass_loop_prefetch::execute): Disabled optimization if an
21086         assumption about L1 cache size is not met.
21087
21088 2017-03-03  Martin Liska  <mliska@suse.cz>
21089
21090         PR rtl-optimization/79574
21091         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
21092         (hash_scan_set): Likewise.
21093         (dump_hash_table): Likewise.
21094         (hoist_code): Likewise.
21095
21096 2017-03-03  Richard Biener  <rguenther@suse.de>
21097
21098         * fixed-value.c (fixed_from_string): Restore use of elt (1)
21099         in place of uhigh ().
21100         (fixed_convert_from_real): Likewise.
21101
21102 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21103
21104         PR target/79514
21105         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
21106
21107 2017-03-03  Richard Biener  <rguenther@suse.de>
21108
21109         PR middle-end/79818
21110         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
21111         TYPE_OVERFLOW_UNDEFINED check.
21112
21113 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21114
21115         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
21116         numbers.
21117         (vector_ae_<mode>_p): Likewise.
21118         (vector_nez_<mode>_p): Likewise.
21119         (vector_ne_v2di_p): Likewise.
21120         (vector_ae_v2di_p): Likewise.
21121         (vector_ne_<mode>_p): Likewise.
21122         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
21123         numbers.
21124         (vsx_tsqrt<mode>2_fe): Likewise.
21125
21126 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
21127
21128         PR target/79514
21129         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
21130
21131 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21132
21133         PR rtl-optimization/79780
21134         * cprop.c (one_cprop_pass): When second and further conditional trap
21135         in a single basic block is turned into an unconditional trap, turn it
21136         into a deleted note to avoid RTL verification failures.
21137
21138 2017-03-02  Richard Biener  <rguenther@suse.de>
21139
21140         * fold-const.c (const_binop): Use ulow () instead of elt (0).
21141
21142 2017-03-02  Richard Biener  <rguenther@suse.de>
21143
21144         PR tree-optimization/79345
21145         PR c++/42000
21146         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
21147         param and abort the walk, returning -1 if it is hit.
21148         (walk_aliased_vdefs): Take a limit param and pass it on.
21149         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
21150         defaulting to 0 and return a signed int.
21151         * tree-ssa-uninit.c (struct check_defs_data): New struct.
21152         (check_defs): New helper.
21153         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
21154         about uninitialized memory.
21155         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
21156         bogus uninitialized warning.
21157         (fixed_convert_from_real): Likewise.
21158
21159 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
21160
21161         PR tree-optimization/66768
21162         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
21163         iv_use if base object can't be determined.
21164
21165 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21166
21167         PR tree-optimization/79345
21168         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
21169         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
21170         (get_pattern_stats): Initialize it.
21171         * genemit.c (gen_expand): Verify match_scratch numbers come after
21172         match_operand/match_dup numbers.
21173         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
21174         match_scratch numbers.
21175         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
21176         Likewise.
21177         * config/s390/s390.md (trunctdsd2): Likewise.
21178
21179 2017-03-02  Richard Biener  <rguenther@suse.de>
21180
21181         * wide-int.h (wide_int_storage::operator=): Implement in terms
21182         of wi::copy.
21183
21184 2017-03-02  Richard Biener  <rguenther@suse.de>
21185
21186         PR tree-optimization/79777
21187         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
21188         the to insert expression to sth existing.
21189
21190 2017-03-01  Martin Sebor  <msebor@redhat.com>
21191
21192         PR middle-end/79692
21193         * gimple-ssa-sprintf.c
21194         (directive::known_width_and_precision): New function.
21195         (format_integer): Use it.
21196         (get_mpfr_format_length): Consider the full range of precision
21197         when computing %g output with the # flag.  Set the likely byte
21198         count to 3 rather than 1 when precision is indeterminate.
21199         (format_floating): Correct the lower bound of precision.
21200
21201 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21202
21203         * doc/invoke.texi: Document default code model for 64-bit Linux.
21204
21205 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21206
21207         PR target/79752
21208         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
21209         udiv rather than div since input pattern is unsigned.
21210
21211 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
21212
21213         * config/i386/i386.c (print_reg): Warn for values of
21214         unsupported size in integer register.
21215
21216 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
21217
21218         PR target/79439
21219         * config/rs6000/predicates.md (current_file_function_operand): Do
21220         not allow self calls to be local if the function is replaceable.
21221
21222 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21223
21224         PR target/79395
21225         * config/rs6000/altivec.h (vec_ctz and others): Change the
21226         preprocessor macro that controls conditional compilation from
21227         _ARCH_PWR9 to __POWER9_VECTOR__.
21228         (vec_all_ne): Change parameterization of __altivec_scalar_pred
21229         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
21230         control (instead of _ARCH_PWR9 control) so that template
21231         definition uses power9-specific function.
21232         (vec_any_eq): Likewise.
21233         (vec_all_ne): Change macro definition to use a power9-specific
21234         expansion under #ifdef __POWER9_VECTOR__ control (instead of
21235         _ARCH_PWR9 control).
21236         (vec_any_eq) Likewise.
21237         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
21238         expansion for CMPNEF to remove support for xvcmpnesp instruction.
21239         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
21240         support for xvcmpnedp instruction.
21241         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
21242         macro expansion so that Power9 implementation of vec_all_ne does
21243         not use the AltiVec predicate framework.
21244         (VCMPNEH_P): Likewise.
21245         (VCMPNEW_P): Likewise.
21246         (VCMPNED_P): Likewise.
21247         (VCMPNEFP_P): Likewise.
21248         (VCMPNEDP_P): Likewise.
21249         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
21250         implementation of vec_any_eq to not use AltiVec predicate
21251         framework.
21252         (VCMPAEH_P): Likewise.
21253         (VCMPAEW_P): Likewise.
21254         (VCMPAED_P): Likewise.
21255         (VCMPAEFP_P): Likewise.
21256         (VCMPAEDP_P): Likewise.
21257         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
21258         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
21259         not use the AltiVec predicate framework.
21260         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
21261         of vec_any_eq to not use AltiVec predicate framework.
21262         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
21263         support for predefined __POWER9_VECTOR__ macro to indicate that
21264         Power9 instruction selection is enabled.
21265         (altivec_overloaded_builtins): Remove extraneous
21266         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
21267         function argument types RS6000_BTI_bool_V16QI and
21268         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
21269         entry for overloaded function argument types RS6000_BTI_bool_V4SI
21270         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
21271         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
21272         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
21273         Power9 for implementations of vec_cmpne.  Change the signature for
21274         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
21275         (representing vec_all_ne) to remove the previously described first
21276         argument of type RS6000_BTI_INTSI, as this was an artifact of
21277         reliance on the AltiVec predicate framework, which is no longer
21278         used in the implementation of these functions.  Add
21279         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
21280         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
21281         since, unlike the AltiVec predicate framework implementation, we
21282         do not share function descriptors between vec_alle and vec_anyeq.
21283         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
21284         set of modes that receive special treatment even when
21285         TARGET_P9_VECTOR is true.  The special treatment emits code that
21286         does not depend on Power9 instructions.
21287         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
21288         define_expand to not rely on AltiVec predicate framework.
21289         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21290         function.
21291         (vector_ne_v2di_p): Change this define_expand to not rely on
21292         AltiVec predicate framework.
21293         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
21294         function.
21295         (vector_ne_<mode>_p): Change this define_expand to not rely on
21296         AltiVec predicate framework.
21297         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21298         function.
21299         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
21300         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
21301         define_insn pattern.
21302         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
21303         define_insn pattern because the xvcmpne<VSs>. instruction is not
21304         supported.
21305         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
21306         instruction is not supported.
21307
21308 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21309
21310         * config/nvptx/nvptx.c: Include intl.h.
21311
21312 2017-03-01  Martin Jambor  <mjambor@suse.cz>
21313
21314         PR lto/78140
21315         * ipa-prop.h (ipa_bits): Removed field known.
21316         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
21317         to pointers.  Adjusted their comments to warn about their sharing.
21318         (ipcp_transformation_summary): Change bits to a vector of pointers.
21319         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
21320         (ipa_get_ipa_bits_for_value): Declare.
21321         * tree-vrp.h (value_range): Mark as GTY((for_user)).
21322         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
21323         (ipa_bits_hash_table): Likewise.
21324         (ipa_vr_ggc_hash_traits): Likewise.
21325         (ipa_vr_hash_table): Likewise.
21326         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
21327         being pointers and vr_known being removed.
21328         (ipa_set_jf_unknown): Likewise.
21329         (ipa_get_ipa_bits_for_value): New function.
21330         (ipa_set_jfunc_bits): Likewise.
21331         (ipa_get_value_range): New overloaded functions.
21332         (ipa_set_jfunc_vr): Likewise.
21333         (ipa_compute_jump_functions_for_edge): Use the above functions to
21334         construct bits and vr parts of jump functions.
21335         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
21336         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21337         exist.
21338         (ipcp_grow_transformations_if_necessary): Also allocate
21339         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21340         exist.
21341         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
21342         them.  Fix too long lines.
21343         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
21344         vr_known being removed.
21345         (ipa_read_jump_function): Use new setter functions to construct bits
21346         and vr parts of jump functions or set them to NULL.
21347         (write_ipcp_transformation_info): Adjust for bits being pointers.
21348         (read_ipcp_transformation_info): Likewise.
21349         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
21350         space.
21351         Include gt-ipa-prop.h.
21352         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
21353         being pointers.
21354         (ipcp_store_bits_results): Likewise.
21355         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
21356         Do not write to existing jump functions but use a temporary instead.
21357
21358 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21359
21360         PR c++/79681
21361         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
21362         attempt to use its first operand as BIT_FIELD_REF base.
21363
21364 2017-03-01  Richard Biener  <rguenther@suse.de>
21365
21366         PR middle-end/79721
21367         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
21368         interpolating formula in wrapping arithmetic.
21369         (chrec_apply): Convert chrec_evaluate return value to wanted type.
21370
21371 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21372
21373         PR tree-optimization/79734
21374         * tree-vect-generic.c (expand_vector_condition): Optimize
21375         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
21376         Handle VEC_COND_EXPR where comparison has different inner width from
21377         type's inner width.
21378
21379 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21380
21381         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
21382         markup, and similar issues.  Remove @opindex entries for things
21383         that aren't options.  Add missing -mmpy-option entries.
21384
21385 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21386
21387         PR tree-optimization/79737
21388         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
21389         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
21390         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
21391         instead of byte_size.  Formatting fix.
21392         (shift_bytes_in_array_right): Formatting fix.
21393
21394 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
21395
21396         PR target/79749
21397         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
21398         condition on optimize for the leaf function test.
21399
21400 2017-02-28  Martin Liska  <mliska@suse.cz>
21401
21402         PR lto/79625
21403         * read-rtl-function.c (function_reader::handle_unknown_directive):
21404         Bail out when one uses -flto.
21405
21406 2017-02-28  Martin Liska  <mliska@suse.cz>
21407
21408         * common.opt: Replace space with tabular for options of <number>
21409         type.
21410         * config/i386/i386.opt: Show <number> value for
21411         -mlarge-data-threshold.
21412         * opts.c (print_filtered_help): Do not display number in hexadecimal
21413         format.
21414
21415 2017-02-28  Martin Liska  <mliska@suse.cz>
21416
21417         * common.opt: Fix --help=option -Q for options which are of
21418         an enum type.
21419
21420 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
21421
21422         * config/i386/i386.c (print_reg): Error out for values
21423         of 8-bit size in invalid integer register.
21424
21425 2017-02-28  Martin Sebor  <msebor@redhat.com>
21426
21427         PR tree-optimization/79691
21428         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
21429
21430 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21431
21432         PR target/79729
21433         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
21434         gcc_unreachable with output_operand_lossage.
21435
21436 2017-02-28  Richard Biener  <rguenther@suse.de>
21437
21438         PR tree-optimization/79740
21439         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
21440         inserts.
21441         (visit_nary_op): Insert the nary into the hashtable if we
21442         pattern-matched sth.
21443         * tree-ssa-pre.c (eliminate_insert): Robustify.
21444
21445 2017-02-28  Richard Biener  <rguenther@suse.de>
21446
21447         PR middle-end/79731
21448         * fold-const.c (decode_field_reference): Reject out-of-bound
21449         accesses.
21450
21451 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21452
21453         * config/i386/i386.c: Include intl.h.
21454         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
21455         instead of just cond ? "..." : "...".
21456         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
21457         * coverage.c (read_counts_file): Likewise.
21458         * omp-offload.c: Include intl.h.
21459         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
21460         of just cond ? "..." : "...".
21461         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
21462         of just cond ? "..." : "...".
21463
21464 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
21465
21466         PR target/79742
21467         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
21468         entry, if present.
21469         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
21470         'tune for' CPU name.
21471         * config/arm/arm-cpu-data.h: Regenerated.
21472
21473 2017-02-28  Richard Biener  <rguenther@suse.de>
21474
21475         PR tree-optimization/79732
21476         * tree-inline.c (expand_call_inline): Do not shadow var.
21477
21478 2017-02-28  Richard Biener  <rguenther@suse.de>
21479
21480         PR tree-optimization/79723
21481         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
21482         address-space properly.
21483
21484 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
21485
21486         * doc/optinfo.texi (Optimization groups): Fix option used for
21487         OPTGROUP_ALL.
21488         * doc/invoke.texi (-fopt-info): Document "omp".
21489         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
21490         (OPTGROUP_ALL): Add OPTGROUP_OMP.
21491         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
21492         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
21493         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
21494
21495         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
21496         all users.
21497         * dumpfile.c (optgroup_options): Instead of "openmp", associate
21498         OPTGROUP_OMP with "omp".
21499
21500 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
21501
21502         PR target/79544
21503         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
21504         for arithmetic shift of unsigned V2DI.
21505
21506 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
21507
21508         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
21509         arc/linux.h headers.
21510         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
21511         (LINK_SPEC): Likewise.
21512         (ARC_TLS_EXTRA_START_SPEC): Likewise.
21513         (EXTRA_SPECS): Likewise.
21514         (STARTFILE_SPEC): Likewise.
21515         (ENDFILE_SPEC): Likewise.
21516         (LIB_SPEC): Likewise.
21517         (TARGET_SDATA_DEFAULT): Likewise.
21518         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
21519         (MULTILIB_DEFAULTS): Likewise.
21520         (DWARF2_UNWIND_INFO): Likewise.
21521         * config/arc/big.h: New file.
21522         * config/arc/elf.h: Likewise.
21523         * config/arc/linux.h: Likewise.
21524         * config/arc/t-uClibc: Remove.
21525
21526 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
21527
21528         PR tree-optimization/77536
21529         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
21530         (tree_transform_and_unroll_loop): Use above function to compute the
21531         estimated niter of unrolled loop and use it when scaling profile.
21532         Also use count info rather than frequency if it's non-zero.
21533         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
21534         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
21535         (vect_transform_loop): Call above function.
21536
21537 2017-02-27  Richard Biener  <rguenther@suse.de>
21538
21539         PR tree-optimization/45397
21540         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
21541         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
21542         (visit_nary_op): Add pattern matching for CSEing sign-changed
21543         or truncated operations with wider ones.
21544
21545 2017-02-27  Richard Biener  <rguenther@suse.de>
21546
21547         PR tree-optimization/79690
21548         * tree-vect-stmts.c (vectorizable_store): Use vector type
21549         built from the DR with address-space.
21550
21551 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
21552
21553         * doc/invoke.texi (Optimize Options): Refine the description
21554         of asan-use-after-return.
21555
21556 2017-02-25  Alan Modra  <amodra@gmail.com>
21557
21558         PR rtl-optimization/79584
21559         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
21560         base, not ad->base_term, the reg within base.  Remove assertion
21561         that ad->base == ad->base_term.  Replace gen_int_mode using
21562         bogus mode with const0_rtx.
21563
21564 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
21565
21566         PR middle-end/79396
21567         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
21568         FMA_EXPR like tcc_binary or tcc_unary.
21569
21570         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
21571
21572         PR debug/77589
21573         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
21574         bitfield.
21575         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
21576         (output_loc_operands): Handle DW_OP_call_ref and
21577         DW_OP_GNU_variable_value.
21578         (struct variable_value_struct): New type.
21579         (struct variable_value_hasher): Likewise.
21580         (variable_value_hash): New variable.
21581         (string_types): Remove.
21582         (copy_loc_descr): New function.
21583         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
21584         (prepend_loc_descr_to_each): New function.
21585         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
21586         instead of add_loc_descr_to_each if the first argument is single
21587         location list and the second has multiple.
21588         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
21589         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
21590         when looking for variable value which doesn't have other location info.
21591         (loc_list_from_tree): Formatting fix.
21592         (gen_array_type_die): Simplify DW_AT_string_length handling.
21593         (adjust_string_types): Remove.
21594         (gen_subprogram_die): Don't call adjust_string_types nor test/set
21595         string_types.  Call resolve_variable_values.
21596         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
21597         (resolve_addr_in_expr): Likewise.  Add A argument.
21598         (copy_deref_exprloc): Remove deref argument.  Adjust for the
21599         original expression being DW_OP_GNU_variable_value with optionally
21600         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
21601         optionally after it.
21602         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
21603         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
21604         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
21605         (variable_value_hasher::hash, variable_value_hasher::equal): New
21606         methods.
21607         (resolve_variable_value_in_expr, resolve_variable_value,
21608         resolve_variable_values, note_variable_value_in_expr,
21609         note_variable_value): New functions.
21610         (dwarf2out_early_finish): Call note_variable_value on all toplevel
21611         DIEs.
21612
21613 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
21614
21615         PR c/79677
21616         * opts.h (handle_generated_option): Add GENERATED_P argument.
21617         * opts-common.c (handle_option): Adjust function comment.
21618         (handle_generated_option): Add GENERATED_P argument, pass it to
21619         handle_option.
21620         (control_warning_option): Pass false to handle_generated_option
21621         GENERATED_P.
21622         * opts.c (maybe_default_option): Pass true to handle_generated_option
21623         GENERATED_P.
21624         * optc-gen.awk: Likewise.
21625
21626 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21627
21628         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
21629         a REG, look at the REG it is a SUBREG of.
21630         (splitter for cmpeqsi_t): Ditto.
21631
21632 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21633
21634         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
21635         the special USEs with the pattern of the insn, not the insn itself.
21636
21637 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
21638
21639         PR target/79473
21640         * doc/invoke.texi: Document -mload-store-pairs.
21641
21642 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21643             Sandra Loosemore  <sandra@codesourcery.com>
21644
21645         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
21646         argument isn't a CONST_INT.
21647         (nios2_alternate_compare_const): Assert op is a CONST_INT.
21648         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
21649         (nios2_validate_compare): Bypass alternate compare logic if *op2
21650         is not a CONST_INT.
21651         (ldstwm_operation_p): Return false if first_base is not a REG or
21652         if first_offset is not a CONST_INT.
21653
21654 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21655
21656         * config/cris/cris.md: Use correct operand in a define_peephole2.
21657
21658 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21659
21660         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
21661
21662 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21663
21664         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
21665         this_insn if it is an INSN or JUMP_INSN.
21666         (force_offsettable): Look at base, not at addr.
21667         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
21668         on things that aren't necessarily CONST_INTs.
21669
21670 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
21671
21672         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
21673         -mfpmath=sse is the default also for x86-32 targets with SSE2
21674         instruction set when @option{-ffast-math} is enabled
21675
21676 2017-02-24  Jeff Law  <law@redhat.com>
21677
21678         PR rtl-optimizatoin/79286
21679         * ira.c (update_equiv_regs): Drop may_trap_p exception to
21680         dominance test.
21681
21682 2017-02-24  Richard Biener  <rguenther@suse.de>
21683
21684         PR tree-optimization/79389
21685         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
21686         debug insns.
21687
21688 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
21689
21690         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
21691         function comment to reflect reality.
21692         (loop_exits_before_overflow): Fix typo in function description.
21693
21694 2017-02-24  Richard Biener  <rguenther@suse.de>
21695
21696         PR tree-optimization/79389
21697         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
21698         properly that a threading opportunity exists.  Detect conditional
21699         copy/constant propagation opportunities.
21700
21701 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
21702
21703         * config/visium/visium.md (type): Add trap.
21704         (b): New mode attribute.
21705         (*btst): Rename into...
21706         (*btst<mode>): ...this and adjust.
21707         (*cbranchsi4_btst_insn): Rename into...
21708         (*cbranch<mode>4_btst_insn): ...this and adjust.
21709         (trap): New define_insn.
21710
21711 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21712
21713         PR tree-optimization/79389
21714         * ifcvt.c (struct noce_if_info): Add rev_cond field.
21715         (noce_reversed_cond_code): New function.
21716         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
21717         reversed_comparison_code.  Formatting fix.
21718         (noce_try_store_flag): Test rev_cond != NULL in addition to
21719         reversed_comparison_code.
21720         (noce_try_store_flag_constants): Likewise.
21721         (noce_try_store_flag_mask): Likewise.
21722         (noce_try_addcc): Use rev_cond if non-NULL instead of
21723         reversed_comparison_code.
21724         (noce_try_cmove_arith): Likewise.  Formatting fixes.
21725         (noce_try_minmax, noce_try_abs): Clear rev_cond.
21726         (noce_find_if_block): Initialize rev_cond.
21727         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
21728         instead of false as last argument never attempt to reverse it
21729         afterwards.
21730
21731 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
21732
21733         PR tree-optimization/79663
21734         * tree-predcom.c (combine_chains): Process refs in reverse order
21735         only for ZERO length chains, and add explaining comment.
21736
21737 2017-02-23  Jeff Law  <law@redhat.com>
21738
21739         PR tree-optimization/79578
21740         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
21741         in call to operand_equal_p.
21742
21743 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
21744
21745         PR target/71017
21746         * config/i386/cpuid.h: Fix another undefined behavior.
21747
21748 2017-02-23  Richard Biener  <rguenther@suse.de>
21749
21750         PR tree-optimization/79683
21751         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
21752         vector types for data-refs.
21753
21754 2017-02-23  Martin Liska  <mliska@suse.cz>
21755
21756         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
21757
21758 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21759
21760         PR middle-end/79665
21761         * internal-fn.c (get_range_pos_neg): Moved to ...
21762         * tree.c (get_range_pos_neg): ... here.  No longer static.
21763         * tree.h (get_range_pos_neg): New prototype.
21764         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
21765         are known to be in between 0 and signed maximum inclusive, try to
21766         expand both unsigned and signed divmod and use the cheaper one from
21767         those.
21768
21769 2017-02-22  Jeff Law  <law@redhat.com>
21770
21771         PR tree-optimization/79578
21772         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
21773         to compare base operands.
21774
21775 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
21776
21777         PR target/79211
21778         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
21779         gpc_reg_operand instead of fpr_reg_operand.
21780
21781 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
21782
21783         * config/mips/mips.c (mips_return_in_memory): Force FP
21784         vector types to be returned in memory for o32 ABI.
21785
21786 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21787
21788         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
21789         instead of DW_TAG_member for static data member declarations and don't
21790         set no_linkage_name for static inline data members.
21791         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
21792         to DW_TAG_member.
21793
21794 2017-02-22  Martin Liska  <mliska@suse.cz>
21795
21796         * doc/invoke.texi: Replace inequality signs with square brackets
21797         for -Wnormalized.
21798
21799 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21800
21801         PR tree-optimization/68644
21802         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
21803
21804 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
21805
21806         PR target/78660
21807         * lra-constraints.c (simplify_operand_subreg): Handle
21808         WORD_REGISTER_OPERATIONS targets.
21809
21810 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21811
21812         PR target/70465
21813         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
21814         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
21815         elimination by swapping fld*.
21816
21817 2017-02-22  Richard Biener  <rguenther@suse.de>
21818
21819         PR tree-optimization/79673
21820         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
21821         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
21822         irrelevant address-space qualifiers and avoiding a
21823         ADDR_SPACE_CONVERT_EXPR from fold_convert.
21824
21825 2017-02-22  Richard Biener  <rguenther@suse.de>
21826
21827         PR tree-optimization/79666
21828         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
21829         to not symbolically negate if that may introduce undefined
21830         overflow.
21831
21832 2017-02-22  Martin Liska  <mliska@suse.cz>
21833
21834         PR lto/79587
21835         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
21836         * data-streamer-out.c (streamer_write_gcov_count_stream):
21837         Likewise.
21838         * value-prof.c (stream_out_histogram_value): Make assert more
21839         precise based on type of counter.
21840
21841 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
21842
21843         PR target/79593
21844         * config/i386/i386.md (standard_x87sse_constant_load splitter):
21845         Use nonimmediate_operand instead of memory_operand for operand 1.
21846         (float-extend standard_x87sse_constant_load splitter): Ditto.
21847
21848 2017-02-21  Jeff Law  <law@redhat.com>
21849
21850         PR tree-optimization/79621
21851         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
21852         blocks with edges to themselves.
21853
21854 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21855
21856         PR target/79633
21857         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
21858         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
21859         Use gimple_call_builtin_p.
21860
21861         PR target/79570
21862         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
21863         on temporarily removed DEBUG_INSNs.
21864
21865         PR tree-optimization/79649
21866         * tree-loop-distribution.c (classify_partition): Give up on
21867         non-generic address space loads/stores.
21868
21869 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
21870
21871         * doc/loop.texi (Loop manipulation): Remove nonexistent
21872         tree_ssa_loop_version from the documentation.
21873         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
21874
21875 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21876
21877         PR target/79494
21878         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
21879         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
21880         * config/rs6000/rs6000.c: Include except.h.
21881         (rs6000_expand_split_stack_prologue): Call
21882         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
21883
21884 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21885
21886         PR lto/79579
21887         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
21888         have been analyzed.
21889
21890 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21891
21892         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
21893         for backward compatibility only.
21894         * doc/invoke.texi (Option Summary): Remove all references to
21895         -fipa-cp-alignment.
21896
21897 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
21898
21899         PR target/78660
21900         Revert:
21901         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21902
21903         * lra-constraints.c (curr_insn_transform): Handle
21904         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21905
21906 2017-02-21  Martin Liska  <mliska@suse.cz>
21907
21908         * config/i386/i386.opt: Replace -masm-dialect with -masm.
21909
21910 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
21911
21912         PR translation/79638
21913         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
21914
21915 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
21916
21917         PR ada/67205
21918         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
21919         (arm_function_ok_for_sibcall): Return false for an indirect call by
21920         descriptor if all the argument registers are used.
21921         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
21922         alignment of the function.
21923
21924 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21925
21926         PR tree-optimization/61441
21927         * simplify-rtx.c (simplify_const_unary_operation): For
21928         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
21929         the sNaN unmodified.
21930
21931 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21932
21933         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
21934         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
21935         instead of SYSTEM_HEADER_DIR.
21936
21937 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
21938             Martin Liška  <mliska@suse.cz>
21939
21940         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
21941         Fix typos and grammar, use active voice, and clarify.
21942
21943 2017-02-20  Marek Polacek  <polacek@redhat.com>
21944
21945         PR middle-end/79537
21946         * gimplify.c (gimplify_expr): Handle unused *&&L;.
21947
21948         PR sanitizer/79558
21949         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
21950
21951 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
21952
21953         PR target/79568
21954         * config/i386/i386.c (ix86_expand_builtin): Handle
21955         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
21956         ix86_builtins_isa[fcode].isa as a requirement of those
21957         flags and any other flag in the bitmask.
21958         (ix86_init_mmx_sse_builtins): Use 0 instead of
21959         ~OPTION_MASK_ISA_64BIT as mask.
21960         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
21961         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
21962         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
21963         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
21964
21965 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21966
21967         PR target/78012
21968         * lra-constraints.c (split_reg): Check requested split mode
21969         is supported by the register.
21970
21971 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21972
21973         * lra-constraints.c (simplify_operand_subreg): Remove early
21974         return false.
21975
21976 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21977
21978         PR target/78660
21979         * lra-constraints.c (curr_insn_transform): Tighten condition
21980         for converting SUBREG reloads from OP_OUT to OP_INOUT.
21981
21982 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21983
21984         PR target/78660
21985         * lra-constraints.c (curr_insn_transform): Handle
21986         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21987
21988 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
21989
21990         Revert:
21991         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
21992
21993         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
21994
21995 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
21996
21997         PR c++/69523
21998         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
21999         description.
22000
22001 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22002
22003         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
22004         for FMA_EXPR.
22005
22006 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
22007
22008         * final.c (last_columnnum, override_columnnum): New variables.
22009         (final_start_function): Set last_columnnum, pass it to begin_prologue
22010         hook and pass 0 to dwarf2out_begin_prologue.
22011         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
22012         to source_line debug hook.
22013         (notice_source_line): Compute last_columnnum and for debug_column_info
22014         return true on column changes.
22015         * debug.h (struct gcc_debug_hooks): Add column argument to
22016         source_line and begin_prologue hooks.
22017         (debug_nothing_int_charstar_int_bool): Remove prototype.
22018         (debug_nothing_int_int_charstar,
22019         debug_nothing_int_int_charstar_int_bool): New prototypes.
22020         (dwarf2out_begin_prologue): Add column argument.
22021         * debug.c (do_nothing_debug_hooks): Adjust source_line and
22022         begin_prologue hooks.
22023         (debug_nothing_int_charstar_int_bool): Remove.
22024         (debug_nothing_int_int_charstar,
22025         debug_nothing_int_int_charstar_int_bool): New functions.
22026         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
22027         through to dwarf2out_source_line.
22028         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
22029         (dwarf2out_source_line): Add column argument, emit it if requested.
22030         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
22031         arguments.
22032         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22033         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22034         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
22035         through to dwarf2out_begin_prologue.
22036         (vmsdbgout_source_line): Add column argument, pass it through to
22037         dwarf2out_source_line.
22038         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
22039         dbxout_source_line caller.
22040         (dbxout_source_line): Add column argument.
22041
22042         * common.opt (gno-column-info, gcolumn-info): New options.
22043         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
22044         (check_die): Also test for multiple DW_AT_decl_column attributes.
22045         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
22046         DW_AT_decl_column if requested.
22047         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
22048         if requested.
22049         (gen_variable_die): Likewise.
22050         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
22051         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
22052
22053         PR target/79569
22054         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
22055         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
22056         (ix86_handle_option): Handle OPT_m3dnowa.
22057         * doc/invoke.texi (-m3dnowa): Document.
22058         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
22059         -m3dnowa instead of -m3dnow -march=athlon.
22060
22061         PR target/79559
22062         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
22063         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
22064
22065 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22066
22067         PR target/79261
22068         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
22069         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
22070         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
22071         generator for vsx_xxpermdi_<mode>_be.
22072         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
22073         force big-endian semantics.
22074         (vsx_xxpermdi_<mode>_be): New define_expand with same
22075         implementation as previous version of vsx_xxpermdi_<mode>.
22076
22077 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
22078
22079         PR tree-optimization/79327
22080         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
22081         variable, its initialization and use.
22082
22083 2017-02-17  Julia Koval  <julia.koval@intel.com>
22084
22085         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
22086         (OPTION_MASK_ISA_PKU_UNSET): New.
22087         (ix86_handle_option): Handle -mrdpid.
22088         * config/i386/cpuid.h (bit_RDPID): New.
22089         * config/i386/driver-i386.c (host_detect_local_cpu):
22090         Detect RDPID feature.
22091         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
22092         * config/i386/i386-c.c (ix86_target_macros_internal):
22093         Handle RDPID flag.
22094         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
22095         (ix86_valid_target_attribute_inner_p): Add "rdpid".
22096         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
22097         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
22098         * config/i386/i386.md (define_insn "rdpid"): New.
22099         * config/i386/i386.opt Add -mrdpid.
22100         * config/i386/immintrin.h (_rdpid_u32): New.
22101
22102 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
22103
22104         PR rtl-optimization/79541
22105         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
22106         instead of transforming it into USE.
22107
22108 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
22109
22110         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
22111         If HONOR_SNANS (SFmode) force the input to a register.
22112         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
22113         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
22114         an frsp or similar insn.
22115
22116 2017-02-17  Martin Liska  <mliska@suse.cz>
22117
22118         PR rtl-optimization/79577
22119         * params.def (selsched-max-sched-times): Increase minimum to 1.
22120
22121 2017-02-17  Martin Liska  <mliska@suse.cz>
22122
22123         PR rtl-optimization/79574
22124         * gcse.c (want_to_gcse_p): Prevent integer overflow.
22125
22126 2017-02-17  Martin Liska  <mliska@suse.cz>
22127
22128         PR tree-optimization/79529
22129         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
22130         ssa_defined_default_def_p to handle cases which are implicitly
22131         defined.
22132         * tree-ssa.c (ssa_defined_default_def_p): New function.
22133         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
22134         which are implicitly defined.
22135         * tree-ssa.h (ssa_defined_default_def_p): Declare.
22136
22137 2017-02-17  Richard Biener  <rguenther@suse.de>
22138
22139         PR middle-end/79576
22140         * params.def (max-ssa-name-query-depth): Limit to 10.
22141
22142 2017-02-17  Richard Biener  <rguenther@suse.de>
22143
22144         PR tree-optimization/79552
22145         * tree-ssa-structalias.c (visit_loadstore): Properly verify
22146         default defs.
22147
22148 2017-02-17  Richard Biener  <rguenther@suse.de>
22149
22150         PR bootstrap/79567
22151         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
22152
22153 2017-02-17  Marek Polacek  <polacek@redhat.com>
22154
22155         PR middle-end/79536
22156         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
22157         (fold_negate_expr): New wrapper.
22158
22159 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
22160
22161         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
22162         Correct terminology and de-emphasize pre-standard behavior.
22163
22164 2017-02-16  Alan Modra  <amodra@gmail.com>
22165
22166         PR rtl-optimization/79286
22167         * ira.c (def_dominates_uses): New function.
22168         (update_equiv_regs): Don't create an equivalence for insns that
22169         may trap where the register def does not dominate the use.
22170
22171 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
22172
22173         PR rtl-optimization/78127
22174         * lra.c (lra): Call lra_eliminate before finish the loop after
22175         lra_constraint.
22176
22177 2017-02-16  Richard Biener  <rguenther@suse.de>
22178
22179         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
22180         isl/isl_val.h.
22181         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
22182         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
22183         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
22184         (isl_val_int_from_wi): New function.
22185         (extract_affine_gmp): Rename to ...
22186         (extract_affine_wi): ... this, take a widest_int.
22187         (extract_affine_int): Just wrap extract_affine_wi.
22188         (add_param_constraints): Use isl_val_int_from_wi.
22189         (add_loop_constraints): Likewise, and extract_affine_wi.
22190
22191 2017-02-15  Jeff Law  <law@redhat.com>
22192
22193         PR middle-end/79521
22194         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
22195         ira_init_register_move_cost_if_necessary.
22196
22197 2017-02-15  Martin Sebor  <msebor@redhat.com>
22198
22199         PR middle-end/32003
22200         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
22201         removed in a prior commit.
22202
22203 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
22204
22205         PR tree-optimization/79347
22206         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
22207         counters during peeling.
22208
22209 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
22210
22211         * Makefile.in (site.exp): Remove "set ISLVER".
22212
22213 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
22214
22215         PR target/79487
22216         * real.c (real_from_integer): Call real_convert even for decimal.
22217
22218 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22219
22220         PR target/79421
22221         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
22222
22223 2017-02-14  Andrew Pinski  <apinski@cavium.com>
22224
22225         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
22226         cores and change the partno/implementer to be correct.
22227         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
22228         the 'B" as the implementer.
22229         * config/aarch64/aarch64-tune.md: Regenerate.
22230
22231 2017-02-14  Carl Love  <cel@us.ibm.com>
22232
22233         * config/rs6000/rs6000.c: Add case statement entry to make the
22234         xvcvuxdsp built-in argument unsigned.
22235         * config/rs6000/vsx.md: Fix the source and return operand types so they
22236         match the instruction definitions from the ISA document.  Fix typo
22237         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
22238         statement.
22239
22240 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
22241
22242         PR target/79282
22243         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
22244         member early_clobber_alts.
22245         * lra-lives.c (reg_early_clobber_p): New.
22246         (process_bb_lives): Use it.
22247         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
22248         (debug_operand_data): Initialize early_clobber_alts.
22249         (setup_operand_alternative): Set up early_clobber_alts.
22250         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
22251         alternatives to new_insn_reg.
22252         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
22253         it.
22254         (lra_update_insn_regno_info): Pass the new arg.
22255
22256 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22257
22258         PR middle-end/79505
22259         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
22260         (new_oacc_loop_raw): Don't clear already cleared fields.
22261
22262         PR target/79481
22263         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
22264         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
22265         _mm512_prefetch_i64gather_ps): New inline functions and macros.
22266
22267 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
22268
22269         PR target/79495
22270         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
22271
22272 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
22273
22274         PR target/79498
22275         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
22276         the extra instruction to the right place to store 128-bit constant
22277         when needed.
22278
22279 2017-02-14  Martin Sebor  <msebor@redhat.com>
22280
22281         PR middle-end/79448
22282         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
22283           warning for strings of unknown length.
22284
22285 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
22286
22287         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
22288
22289 2017-02-14  Jeff Law  <law@redhat.com>
22290
22291         PR target/79404
22292         * ira-costs.c (scan_one_insn): Initialize register move costs
22293         for pseudos seen in USE/CLOBBER insns.
22294
22295         PR tree-optimization/79095
22296         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
22297         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
22298         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
22299         if the operands are known to be not equal, then the resulting range
22300         is ~[0,0].
22301         (intersect_ranges): If the new range is ~[0,0] and the old range is
22302         wide, then prefer ~[0,0].
22303         * tree-vrp.c (overflow_comparison_p_1): New function.
22304         (overflow_comparison_p): New function.
22305         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
22306         if NAME is used in an overflow test.
22307         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
22308         overflow check that can be expressed as an equality test, then adjust
22309         ops to be that equality test.
22310
22311 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22312
22313         * config/s390/s390-builtin-types.def: Remove flags argument.
22314         * config/s390/s390.c (s390_init_builtins): Likewise.
22315
22316 2017-02-14  Martin Liska  <mliska@suse.cz>
22317
22318         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
22319         vector.  Fix trailing white spaces.
22320
22321 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
22322
22323         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
22324         HFmode.
22325
22326 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22327
22328         PR rtl-optimization/68664
22329         * config/arm/arm.c (arm_sched_can_speculate_insn):
22330         New function.  Declare prototype.
22331         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22332
22333 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22334
22335         PR rtl-optimization/68664
22336         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
22337         New function.
22338         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22339
22340 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
22341
22342         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
22343         max skip bytes for function, loop and jump.
22344
22345 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22346
22347         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
22348         ABS_EXPR for gimple dump.
22349
22350 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22351
22352         PR target/79462
22353         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
22354
22355         PR tree-optimization/79408
22356         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
22357         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
22358         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
22359         also if rhs1 is INTEGER_CST.
22360
22361 2017-02-14  Richard Biener  <rguenther@suse.de>
22362
22363         PR middle-end/79432
22364         * tree-into-ssa.c (insert_phi_nodes): When the function can
22365         have abnormal edges rewrite SSA names with broken use-def
22366         dominance out of SSA and register them for PHI insertion.
22367
22368 2017-02-13  Martin Sebor  <msebor@redhat.com>
22369
22370         PR middle-end/79496
22371         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
22372         clearing info.nowrite flag when snprintf size argument is a range.
22373
22374 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22375
22376         * cprop.c (cprop_jump): Add missing space in string literal.
22377         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
22378         (get_constraint_for_component_ref): Likewise.
22379         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
22380         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
22381         * lra-constraints.c (process_alt_operands): Likewise.
22382         * ipa-inline.c (inline_small_functions): Likewise.
22383         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
22384         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
22385         * trans-mem.c (diagnose_tm_1_op): Likewise.
22386         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
22387         (grid_parallel_clauses_gridifiable): Likewise.
22388
22389         * config/nvptx/mkoffload.c (process): Add space in between
22390         , and %d.
22391
22392         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
22393         "MOD4_SSE_REGS" and "ALL_REGS".
22394
22395         * spellcheck.c (test_data): Add , in between "foo" and "food".
22396
22397 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22398
22399         PR target/79449
22400         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
22401         boundary crossing check and subsequent code generation agree.
22402
22403 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22404
22405         * config/aarch64/aarch64.c (has_memory_op): Delete.
22406         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
22407         has_memory_op.
22408
22409 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22410
22411         PR rtl-optimization/79388
22412         PR rtl-optimization/79450
22413         * combine.c (distribute_notes): When removing TEM_INSN for which
22414         corresponding dest has last value recorded, invalidate that last
22415         value.
22416
22417 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22418
22419         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
22420         of explicit '@'.  Add missing assembly comment marker on branch costs
22421         printout.
22422
22423 2017-02-13  Nathan Sidwell  <nathan@acm.org>
22424
22425         * gengtype-lex.l (<in_struct>): Add '/'.
22426
22427 2017-02-13  Martin Liska  <mliska@suse.cz>
22428
22429         PR c/79471
22430         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
22431
22432 2017-02-13  Richard Biener  <rguenther@suse.de>
22433
22434         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
22435         Remove.
22436         * configure: Re-generate.
22437         * config.in: Likewise.
22438         * graphite-dependences.c: Simplify as if
22439         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
22440         * graphite-isl-ast-to-gimple.c: Likewise.
22441         * graphite-optimize-isl.c: Likewise.
22442         * graphite-poly.c: Likewise.
22443         * graphite-sese-to-poly.c: Likewise.
22444         * graphite.h: Likewise.
22445         * toplev.c: Include isl/version.h and use isl_version () for
22446         printing the ISL version.
22447         * doc/install.texi: Update ISL requirement.
22448
22449 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22450
22451         * doc/standards.texi (Standards): Update reference to
22452         Objective-C 2.0.
22453
22454 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22455
22456         * doc/extend.texi (Named Address Spaces): sourceware.org now
22457         defaults to https.
22458         * doc/install.texi (Binaries): Ditto.
22459         (Specific): Ditto.
22460
22461 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22462
22463         * doc/cpp.texi: Replace "stringify"/"stringification" with C
22464         standard terminology "stringize"/"stringizing" throughout.
22465         * doc/cppinternals.texi: Likewise.
22466
22467 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22468
22469         * doc/extend.texi: Fix some spelling mistakes and typos.
22470         * doc/invoke.texi: Likewise.
22471
22472 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22473
22474         PR ipa/79224
22475         * params.def (inline-min-speedup) Change from 10 to 8.
22476
22477 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22478
22479         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
22480         4.5.
22481
22482 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22483
22484         PR ipa/79224
22485         * ipa-inline-analysis.c (get_minimal_bb): New function.
22486         (record_modified): Use it.
22487         (remap_edge_change_prob): Handle also ancestor functions.
22488
22489 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
22490
22491         * doc/contrib.texi (Contributors): Remove broken link into
22492         the Mauve CVS repository.
22493
22494 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22495
22496         PR middle-end/79454
22497         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
22498         result computation whenever lhs doesn't have vector mode, not
22499         just when it has BLKmode.
22500
22501 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22502
22503         * doc/makefile.texi (profiledbootstrap): Refer to the
22504         installation instructions only in textual form.
22505
22506 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22507
22508         PR target/79295
22509         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
22510
22511 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22512
22513         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
22514         (Specific): Update mingw-w64 reference.
22515         (Binaries): Ditto.
22516         (Specific): Remove broken link to Renesas RX processor.
22517
22518 2017-02-10  Richard Biener  <rguenther@suse.de>
22519
22520         * toplev.c (process_options): Do not mention obsolete graphite
22521         options when printing sorry message about missing graphite support.
22522         Mention -floop-nest-optimize.
22523
22524 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
22525
22526         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
22527         (vtst_p16): Likewise.
22528         (vtstq_p8): Likewise.
22529         (vtstq_p16): Likewise.
22530         (vtst_p64): New.
22531         (vtstq_p64): Likewise.
22532         * config/arm/arm_neon.h (vgetq_lane_p64): New.
22533         (vset_lane_p64): New.
22534         (vsetq_lane_p64): New.
22535
22536 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
22537
22538         PR tree-optimization/79411
22539         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
22540         stmt operands are SSA_NAMEs used in abnormal phis.
22541         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
22542         phis.
22543
22544 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22545
22546         PR ipa/70795
22547         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
22548         flag if needed.
22549
22550 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22551
22552         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
22553
22554 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
22555
22556         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
22557         to avoid warning.
22558
22559         PR c/79413
22560         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
22561         not arbitrary TREE_CONSTANT.
22562
22563         PR c/79431
22564         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
22565         "omp declare target link" attribute unless is_global_var.
22566         * omp-offload.c (find_link_var_op): Likewise.
22567
22568 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
22569             Chung-Lin Tang  <cltang@codesourcery.com>
22570
22571         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
22572         OMP_CLAUSE_TILE.
22573         (gimplify_adjust_omp_clauses): Don't delete TILE.
22574         (gimplify_omp_for): Deal with TILE.
22575         * internal-fn.c (expand_GOACC_TILE): New function.
22576         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
22577         (GOACC_TILE): New.
22578         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
22579         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
22580         element fields.
22581         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
22582         avoid DIV for outermost collapse var.
22583         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
22584         Remove out of date comments, fix whitespace.
22585         * omp-general.c (omp_extract_for_data): Deal with tiling.
22586         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
22587         adjust OLF_DIM_BASE value.
22588         (struct omp_for_data): Add tiling field.
22589         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
22590         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
22591         for auto loops.  Remove default auto determining, moved to
22592         oacc_loop_fixed_partitions.
22593         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
22594         stmts, add e_mask field.
22595         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
22596         (oacc_thread_numbers): Use oacc_dim_call.
22597         (oacc_xform_tile): New.
22598         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
22599         (finish_oacc_loop): Adjust for ifns vector.
22600         (oacc_loop_discover_walk): Append loop abstraction sites to list,
22601         add case for GOACC_TILE fns.
22602         (oacc_loop_xform_loop): Delete.
22603         (oacc_loop_process): Iterate over call list directly, and add
22604         handling for GOACC_TILE fns.
22605         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
22606         dump partitioning.
22607         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
22608         vector partitioning to outer loops.  Assign 2 partitions to loops
22609         when available. Add TILE handling.
22610         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
22611         (execite_oacc_device_lower): Process GOACC_TILE fns,
22612         ignore unknown specs.
22613         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
22614         * tree.c (omp_clause_num_ops): Adjust TILE ops.
22615         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
22616
22617 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
22618
22619         * configure.ac (ACX_BUGURL): Update.
22620         * configure: Regenerate.
22621
22622 2017-02-09  Richard Biener  <rguenther@suse.de>
22623
22624         PR tree-optimization/69823
22625         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
22626         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
22627
22628 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22629
22630         * config/arc/arc-c.def: Add __NPS400__ definition.
22631         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
22632         (TARGET_NPS400): Define.
22633
22634 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22635
22636         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
22637         file.
22638         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
22639         pointer, arch_info.
22640         (arc_cpu_types): Fill the arch_info field with a pointer into the
22641         arc_arch_types table.
22642         (arc_selected_cpu): Declare.
22643         * config/arc/arc.c (arc_selected_cpu): Make global.
22644         (arc_selected_arch): Delete.
22645         (arc_base_cpu): Delete.
22646         (arc_override_options): Remove references to deleted variables,
22647         update access to arch information.
22648         (ARC_OPT): Update access to arch information.
22649         (ARC_OPTX): Likewise.
22650         * config/arc/arc.h (arc_base_cpu): Remove declaration.
22651         (TARGET_ARC600): Update access to arch information.
22652         (TARGET_ARC601): Likewise.
22653         (TARGET_ARC700): Likewise.
22654         (TARGET_EM): Likewise.
22655         (TARGET_HS): Likewise.
22656         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
22657         information.
22658
22659 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
22660
22661         PR target/78604
22662         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
22663         condition/operands for integer GE/LE/GEU/LEU operations.
22664
22665 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
22666
22667         PR translation/79397
22668         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
22669         of AltiVec.
22670
22671 2017-02-08  Martin Jambor  <mjambor@suse.cz>
22672
22673         PR ipa/79375
22674         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
22675         whether allocation happened.
22676         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
22677         nothing was allocated.
22678
22679 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
22680
22681         PR tree-optimization/79408
22682         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
22683         constant, but SSA_NAME with a known integer range, use the minimum
22684         of that range instead of op1 to determine if modulo can be replaced
22685         with its first operand.
22686
22687 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22688
22689         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
22690
22691 2017-02-08  Richard Biener  <rguenther@suse.de>
22692
22693         PR tree-optimization/71824
22694         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22695         Check all loops contained in the merged region.
22696
22697 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22698
22699         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
22700
22701 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22702
22703         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
22704         (thunderxt88): Likewise.
22705         (thunderxt81): Disable LSE and change v8.1 to v8.
22706         (thunderxt83): Likewise.
22707
22708 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22709             Richard Biener  <rguenther@suse.de>
22710
22711         PR middle-end/79399
22712         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
22713         type from int to size_t.
22714         * ira-costs.c (struct_costs_size): Change type from int to size_t.
22715
22716 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22717
22718         PR rtl-optimization/79386
22719         * cprop.c (bypass_conditional_jumps): Initialize
22720         bypass_last_basic_block already before splitting bbs after
22721         unconditional traps...
22722         (bypass_conditional_jumps): ... rather than here.
22723
22724         PR target/79299
22725         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
22726         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
22727         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
22728         fix -masm=intel patterns.
22729
22730 2017-02-07  Richard Biener  <rguenther@suse.de>
22731
22732         PR tree-optimization/79256
22733         PR middle-end/79278
22734         * builtins.c (get_object_alignment_2): Use min_align_of_type
22735         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
22736         and ADJUST_FIELD_ALIGN.
22737
22738         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
22739         type parameter.
22740         * doc/tm.texi: Regenerate.
22741         * stor-layout.c (layout_decl): Adjust.
22742         (update_alignment_for_field): Likewise.
22743         (place_field): Likewise.
22744         (min_align_of_type): Likewise.
22745         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
22746         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
22747         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
22748         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
22749         * config/frv/frv.c (frv_adjust_field_align): Likewise.
22750         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
22751         * config/i386/i386.c (x86_field_alignment): Likewise.
22752         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
22753         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
22754         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
22755         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
22756         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
22757         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
22758          Likewise.
22759
22760         Revert
22761         2017-01-30  Richard Biener  <rguenther@suse.de>
22762
22763         PR tree-optimization/79256
22764         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
22765         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
22766         alignment on TYPE.
22767
22768 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
22769
22770         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
22771         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
22772         builtins to SImode and emit a zero-extend, if necessary.
22773
22774 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22775
22776         * docs/invoke.texi (RISC-V Options): Alphabetize.
22777
22778 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22779
22780         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
22781         options.
22782
22783 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22784
22785         * config/riscv/riscv.c: New file.
22786         * common/config/riscv/riscv-common.c: Likewise.
22787         * config.gcc: Likewise.
22788         * config/riscv/constraints.md: Likewise.
22789         * config/riscv/elf.h: Likewise.
22790         * config/riscv/generic.md: Likewise.
22791         * config/riscv/linux.h: Likewise.
22792         * config/riscv/multilib-generator: Likewise.
22793         * config/riscv/peephole.md: Likewise.
22794         * config/riscv/pic.md: Likewise.
22795         * config/riscv/predicates.md: Likewise.
22796         * config/riscv/riscv-builtins.c: Likewise.
22797         * config/riscv/riscv-c.c: Likewise.
22798         * config/riscv/riscv-ftypes.def: Likewise.
22799         * config/riscv/riscv-modes.def: Likewise.
22800         * config/riscv/riscv-opts.h: Likewise.
22801         * config/riscv/riscv-protos.h: Likewise.
22802         * config/riscv/riscv.h: Likewise.
22803         * config/riscv/riscv.md: Likewise.
22804         * config/riscv/riscv.opt: Likewise.
22805         * config/riscv/sync.md: Likewise.
22806         * config/riscv/t-elf-multilib: Likewise.
22807         * config/riscv/t-linux: Likewise.
22808         * config/riscv/t-linux-multilib: Likewise.
22809         * config/riscv/t-riscv: Likewise.
22810         * configure.ac: Likewise.
22811         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
22812         Waterman as RISC-V maintainers.
22813         * doc/install.texi: Add RISC-V entries.
22814         * doc/invoke.texi: Add RISC-V options section.
22815         * doc/md.texi: Add RISC-V constraints section.
22816         * configure: Regenerated.
22817
22818 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
22819
22820         PR target/66144
22821         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
22822         false values to be constant vectors with all 0 or all 1 bits set.
22823         (vcondu<mode><mode>): Likewise.
22824         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
22825         predicate.
22826         (fpmask_comparison_operator): Update comment.
22827         (vecint_comparison_operator): New predicate.
22828         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
22829         vector conditionals when the true and false values are constant
22830         vectors with all 0 bits or all 1 bits set.
22831
22832 2017-02-06  Martin Sebor  <msebor@redhat.com>
22833
22834         PR  tree-optimization/79376
22835         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
22836
22837 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
22838
22839         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
22840         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
22841         to simplify split condition.
22842
22843 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22844
22845         * omp-expand.c (oxpand_omp_atomic_fetch_op,
22846         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
22847         false.
22848
22849 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
22850
22851         PR rtl-optimization/68664
22852         * target.def (can_speculate_insn): New hook.
22853         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
22854         * doc/tm.texi: Regenerate.
22855         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
22856         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
22857         (rs6000_sched_can_speculate_insn): New function.
22858
22859 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22860
22861         PR tree-optimization/79284
22862         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
22863         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
22864         vectorizable_mask_load_store, vectorizable_operation,
22865         vect_is_simple_cond, get_same_sized_vectype): Use it instead
22866         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
22867         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
22868         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
22869         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
22870         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
22871         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
22872         is_gimple_assign (stmt).  Replace another such test with
22873         is_gimple_assign (stmt).
22874
22875 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22876
22877         PR target/78883
22878         * config/avr/avr.c (rtl-iter.h): Include it.
22879         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
22880         (avr_legitimate_combined_insn): ...and implementation.
22881
22882 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22883
22884         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
22885         * config/s390/s390.c (s390_const_operand_ok)
22886         (s390_canonicalize_comparison, s390_extract_part)
22887         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
22888         (s390_contiguous_bitmask_p, s390_rtx_costs)
22889         (legitimize_pic_address): Likewise.
22890         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
22891         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
22892         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
22893         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
22894         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
22895
22896 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22897
22898         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
22899         REGNO($0) == REGNO($1).
22900
22901 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22902
22903         * config/s390/linux.h(SIZE_TYPE): Add comment.
22904
22905 2017-02-06  Julian Brown  <julian@codesourcery.com>
22906             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22907             Virendra Pathak  <virendra.pathak@broadcom.com>
22908
22909         * config/aarch64/aarch64-cores.def: Change the scheduler
22910         to Thunderx2t99.
22911         * config/aarch64/aarch64.md: Include thunderx2t99.md.
22912         * config/aarch64/thunderx2t99.md: New file.
22913
22914 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22915
22916         * doc/standards.texi (Go Language): Update link to language
22917         standard.
22918
22919 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22920
22921         * tree-eh.c (lower_resx): Sanitize profile.
22922         (cleanup_empty_eh_move_lp): Likewise.
22923
22924 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22925
22926         PR tree-ssa/79347
22927         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
22928         ELSE_PROB.
22929         * cfgloopmanip.h (loop_version): Update prototype.
22930         * modulo-sched.c (sms_schedule): Update call of loop_version.
22931         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
22932         * tree-parloops.c (gen_parallel_loop): Likewise.
22933         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
22934         * tree-ssa-loop-split.c (split_loop): Likewise.
22935         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
22936         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
22937
22938 2017-02-05  Martin Liska  <mliska@suse.cz>
22939
22940         PR bootstrap/78985
22941         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
22942         variable to NULL.
22943         (print_operand_address): Initialize a struct to zero.
22944
22945 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22946
22947         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
22948         garbage collector only in textual form.
22949
22950 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22951
22952         * doc/extend.texi (x86 specific memory model extensions for
22953         transactional memory): Simplify a phrase.
22954
22955 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
22956
22957         PR target/79353
22958         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
22959         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
22960         (atomic_storedi_1): Likewise.
22961
22962 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
22963
22964         PR tree-optimization/79338
22965         * tree-parloops.c (gather_scalar_reductions): Don't call
22966         vect_analyze_loop_form for loop->inner before destroying loop's
22967         loop_vinfo.
22968
22969 2017-02-03  Martin Sebor  <msebor@redhat.com>
22970
22971         PR tree-optimization/79327
22972         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
22973         when precision has resulted in leading zeros.
22974         (format_integer): Adjust the likely counter to assume an unknown
22975         argument that may be zero is non-zero.
22976
22977 2017-02-03  Jason Merrill  <jason@redhat.com>
22978
22979         PR c++/78689
22980         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
22981         avoid copying non-taken branch.
22982
22983 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
22984
22985         PR tree-optimization/79340
22986         * tree-vect-loop.c (vectorizable_reduction): Release
22987         vec_defs elements after safe_splicing them into other vectors.
22988         Formatting fixes.
22989
22990         PR tree-optimization/79327
22991         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
22992         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
22993         dirtype.
22994         (format_integer): Use wide_int_to_tree instead of build_int_cst
22995         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
22996         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
22997         of shortest and longest sequence.
22998
22999 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
23000
23001         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
23002         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
23003
23004 2017-02-03  Walter Lee  <walt@tilera.com>
23005
23006         PR target/78862
23007         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
23008         after initial stackframe link reg save.
23009         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
23010
23011 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
23012
23013         PR target/79354
23014         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
23015         wu for stxssp alternative.
23016
23017 2017-02-03  Martin Sebor  <msebor@redhat.com>
23018
23019         PR tree-optimization/79352
23020         * gimple-fold.c (get_range_strlen): Add argument.
23021         (get_range_strlen): Change return type to bool.
23022         (get_maxval_strlen): Pass in a dummy argument.
23023         * gimple-fold.h (get_range_strlen): Change return type to bool.
23024         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
23025         * tree.h (array_at_struct_end_p): Add argument.
23026         * tree.c (array_at_struct_end_p): Handle it.
23027
23028 2017-02-03  Martin Liska  <mliska@suse.cz>
23029
23030         PR lto/66295
23031         * multiple_target.c (create_dispatcher_calls): Redirect edge
23032         from a caller of a dispatcher.
23033         (expand_target_clones): Make the clones local.
23034         (ipa_target_clone): Do both target clones and resolvers.
23035         (ipa_dispatcher_calls): Remove the pass.
23036         (pass_dispatcher_calls::gate): Likewise.
23037         (make_pass_dispatcher_calls): Likewise.
23038         * passes.def (pass_target_clone): Put as very first IPA early
23039         pass.
23040
23041 2017-02-03  Martin Liska  <mliska@suse.cz>
23042
23043         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
23044         in case of a function with ifunc attribute.
23045
23046 2017-02-03  Martin Liska  <mliska@suse.cz>
23047
23048         * cgraph.c (cgraph_node::dump): Dump function version info.
23049         * symtab.c (symtab_node::dump_base): Add missing new line.
23050
23051 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23052
23053         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
23054         (ifcombine_ifandif): Use it.
23055
23056 2017-02-03  Martin Liska  <mliska@suse.cz>
23057
23058         * doc/invoke.texi: Document default value for
23059         use-after-scope-direct-emission-threshold.
23060
23061 2017-02-03  Martin Liska  <mliska@suse.cz>
23062
23063         PR tree-optimization/79339
23064         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
23065         (format_floating): Likewise.
23066
23067 2017-02-03  Martin Liska  <mliska@suse.cz>
23068
23069         PR ipa/79337
23070         * ipa-prop.c (ipa_node_params_t::insert): Remove current
23071         implementation.
23072         (ipa_node_params_t::remove): Likewise.
23073         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
23074         initialization from removed ipa_node_params_t::insert.
23075         (ipa_node_params::~ipa_node_params): Move from removed
23076         ipa_node_params_t::release.
23077         * symbol-summary.h (symbol_summary::m_released): New member.
23078         Do not release a summary twice.  Do not allow to call finalizer
23079         for types of a summary that live in GGC memory.
23080
23081 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
23082
23083         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
23084         cmp_branch fusion.
23085
23086 2017-02-02  Martin Sebor  <msebor@redhat.com>
23087
23088         PR middle-end/79275
23089         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
23090         (format_string): Tighten up the range of output for non-constant
23091         strings and correct the expected range for wide non-constant strings.
23092
23093 2017-02-02  Martin Sebor  <msebor@redhat.com>
23094
23095         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
23096
23097         PR middle-end/32003
23098         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
23099         index.
23100         (-fdump-tree-@var): Add to index and document how to come up
23101         with pass-specific option and dump file names.
23102         (-fdump-passes): Clarify where to look for output.
23103
23104 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23105
23106         PR middle-end/77445
23107         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
23108         statistics of the analyzed path; allow threading for speed when
23109         any of BBs along the path are optimized for speed.
23110
23111 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
23112
23113         PR middle-end/78468
23114         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
23115         settings of the virtual registers.
23116
23117         Revert again
23118         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23119
23120         * explow.c (get_dynamic_stack_size): Take known alignment of stack
23121         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
23122         needed.
23123
23124 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23125
23126         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
23127         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
23128
23129 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23130
23131         * config/s390/s390.md: Add missing comments with the expanded
23132         mnemonics.
23133         * config/s390/vector.md: Likewise.
23134         * config/s390/vx-builtins.md: Likewise.
23135
23136 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
23137
23138         PR target/79197
23139         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
23140         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
23141         conditions on a single line.
23142
23143 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23144
23145         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23146         __S390_VX__ to __VX__.
23147
23148 2017-02-01  Andrew Pinski  <apinski@cavium.com>
23149
23150         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
23151         stmt_info to record_stmt_cost.
23152         (vect_get_known_peeling_cost): Pass stmt_info if known to
23153         record_stmt_cost.
23154         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
23155         cpu_vector_cost field into
23156         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
23157         field into vec_int_stmt_cost and vec_fp_stmt_cost.
23158         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
23159         splitting of scalar_stmt_cost and vec_stmt_cost.
23160         (thunderx_vector_cost): Likewise.
23161         (cortexa57_vector_cost): LIkewise.
23162         (exynosm1_vector_cost): Likewise.
23163         (xgene1_vector_cost): Likewise.
23164         (thunderx2t99_vector_cost): Improve after the splitting of the two
23165         fields.
23166         (aarch64_builtin_vectorization_cost): Update for the splitting of
23167         scalar_stmt_cost and vec_stmt_cost.
23168
23169 2017-02-01  Torvald Riegel  <triegel@redhat.com>
23170             Richard Henderson  <rth@redhat.com>
23171
23172         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
23173         conditional on existance of a fast atomic load.
23174         * optabs-query.c (can_atomic_load_p): New function.
23175         * optabs-query.h (can_atomic_load_p): Declare it.
23176         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
23177         no fast atomic load is available for the particular size of access.
23178         (expand_atomic_compare_and_swap): Likewise.
23179         (expand_atomic_load): Likewise.
23180         (expand_atomic_store): Likewise.
23181         (expand_atomic_fetch_op): Likewise.
23182         * testsuite/lib/target-supports.exp
23183         (check_effective_target_sync_int_128): Remove x86 because it provides
23184         no fast atomic load.
23185         (check_effective_target_sync_int_128_runtime): Likewise.
23186
23187 2017-02-01  Richard Biener  <rguenther@suse.de>
23188
23189         * graphite.c: Include tree-vectorizer.h for find_loop_location.
23190         (graphite_transform_loops): Provide opt-info for optimized nests.
23191         * tree-parloop.c (parallelize_loops): Provide opt-info for
23192         parallelized loops.
23193
23194 2017-02-01  Richard Biener  <rguenther@suse.de>
23195
23196         PR middle-end/79315
23197         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
23198         was not set before.
23199
23200 2017-02-01  Richard Biener  <rguenther@suse.de>
23201
23202         PR tree-optimization/71824
23203         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
23204         Verify the loops are valid in the merged SESE region.
23205         (scop_detection::can_represent_loop_1): Check analyzing the
23206         evolution of the number of iterations in the region succeeds.
23207
23208 2017-01-31  Ian Lance Taylor  <iant@golang.org>
23209
23210         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
23211         REG_ARGS_SIZE note to 32-bit push insns and call insn.
23212
23213 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
23214
23215         PR preprocessor/79210
23216         * input.c (get_substring_ranges_for_loc): Replace line_width
23217         assertion with error-handling.
23218
23219 2017-01-31  Richard Biener  <rguenther@suse.de>
23220
23221         PR tree-optimization/77318
23222         * graphite-sese-to-poly.c (extract_affine): Fix assert.
23223         (create_pw_aff_from_tree): Take loop parameter.
23224         (add_condition_to_pbb): Pass loop of the condition to
23225         create_pw_aff_from_tree.
23226
23227 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23228
23229         * config/s390/s390.c (s390_asan_shadow_offset): New function.
23230         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
23231
23232 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
23233
23234         PR target/78597
23235         PR target/79038
23236         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
23237         no longer used.
23238         (convert_int_to_float128): Likewise.
23239         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
23240         (convert_int_to_float128): Likewise.
23241         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
23242         (UNSPEC_IEEE128_CONVERT): Likewise.
23243         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
23244         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
23245         Use local variables for IBM extended format.
23246         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
23247         (fix_trunc<mode>si2_fprs): Likewise.
23248         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
23249         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
23250         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
23251         to know that we can now have integers of all sizes in vector
23252         registers.
23253         (fix<uns>_<mode>di2_hw): Likewise.
23254         (float<uns>_<mode>si2_hw): Likewise.
23255         (fix_<mode>si2_hw): Likewise.
23256         (fixuns_<mode>si2_hw): Likewise.
23257         (float<uns>_<mode>di2_hw): Likewise.
23258         (float_<mode>di2_hw): Likewise.
23259         (float_<mode>si2_hw): Likewise.
23260         (floatuns_<mode>di2_hw): Likewise.
23261         (floatuns_<mode>si2_hw): Likewise.
23262         (xscvqp<su>wz_<mode>): Delete, no longer used.
23263         (xscvqp<su>dz_<mode>): Likewise.
23264         (xscv<su>dqp_<mode>): Likewise.
23265         (ieee128_mfvsrd_64bit): Likewise.
23266         (ieee128_mfvsrd_32bit): Likewise.
23267         (ieee128_mfvsrwz): Likewise.
23268         (ieee128_mtvsrw): Likewise.
23269         (ieee128_mtvsrd_64bit): Likewise.
23270         (ieee128_mtvsrd_32bit): Likewise.
23271
23272 2017-01-31  Martin Liska  <mliska@suse.cz>
23273
23274         PR ipa/79285
23275         * ipa-prop.c (ipa_free_all_node_params): Call release method
23276         instead of ~sumbol_summary to not to trigger double times
23277         dtor of hash_map.
23278
23279 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
23280
23281         PR tree-optimization/71691
23282         * bitmap.h (class auto_bitmap): New.
23283         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
23284         is_maybe_undefined instead of ssa_undefined_value_p.
23285
23286 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23287
23288         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23289         __S390_ARCH_LEVEL__ to __ARCH__.
23290
23291 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23292
23293         PR tree-optimization/79267
23294         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
23295         if should_remove_lhs_p is true.
23296
23297 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
23298
23299         PR debug/63238
23300         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
23301         (add_alignment_attribute): New.
23302         (base_type_die): Add alignment attribute.
23303         (subrange_type_die): Likewise.
23304         (modified_type_die): Likewise.
23305         (gen_array_type_die): Likewise.
23306         (gen_descr_array_type_die: Likewise.
23307         (gen_enumeration_type_die): Likewise.
23308         (gen_subprogram_die): Likewise.
23309         (gen_variable_die): Likewise.
23310         (gen_field_die): Likewise.
23311         (gen_ptr_to_mbr_type_die): Likewise.
23312         (gen_struct_or_union_type_die): Likewise.
23313         (gen_subroutine_type_die): Likewise.
23314         (gen_typedef_die): Likewise.
23315         (base_type_cmp): Compare alignment attribute.
23316
23317 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23318
23319         PR target/79170
23320         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
23321         (setb_unsigned) New pattern for setb with CCUNS.
23322         * config/rs6000/rs6000.c (expand_block_compare): Use a different
23323         subfc./subfe sequence to avoid overflow problems.  Generate a
23324         shorter sequence with cmpld/setb for power9.
23325         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
23326         for generating subfc. instruction.
23327         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
23328         now uses this instruction.
23329
23330 2017-01-30  Ian Lance Taylor  <iant@google.com>
23331
23332         PR debug/79289
23333         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
23334         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
23335
23336 2017-01-30  Martin Sebor  <msebor@redhat.com>
23337
23338         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
23339         Move constant to the right of a relational operator.
23340         (get_mpfr_format_length, format_character, format_string): Ditto.
23341         (should_warn_p, maybe_warn): Same.
23342
23343         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
23344
23345 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
23346
23347         PR lto/79061
23348         * asan.c (get_translation_unit_decl): Remove function.
23349         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
23350
23351 2017-01-30  Martin Liska  <mliska@suse.cz>
23352
23353         PR gcov-profile/79259
23354         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
23355         -fprofile-generate.
23356
23357 2017-01-30  Martin Liska  <mliska@suse.cz>
23358
23359         PR bootstrap/78985
23360         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
23361         Initialize variables with NULL value.
23362
23363 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
23364
23365         PR target/79260
23366         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
23367         tm_p_file.
23368         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
23369
23370 2017-01-30  Richard Biener  <rguenther@suse.de>
23371
23372         PR tree-optimization/79276
23373         * tree-vrp.c (process_assert_insertions): Properly adjust common
23374         when removing a duplicate.
23375
23376         * gcc.dg/torture/pr79276.c: New testcase.
23377
23378 2017-01-30  Richard Biener  <rguenther@suse.de>
23379
23380         PR tree-optimization/79256
23381         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23382         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23383         alignment on TYPE.
23384         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
23385
23386 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23387
23388         PR target/79240
23389         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
23390         ("*r<noxa>sbg_<mode>_sll_bitmask")
23391         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
23392         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
23393         Use contiguous_bitmask_nowrap_operand.
23394
23395 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23396
23397         PR target/79268
23398         * config/rs6000/altivec.h (vec_xl): Revise #define.
23399         (vec_xst): Likewise.
23400
23401 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
23402
23403         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
23404
23405 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
23406
23407         PR rtl-optimization/79194
23408         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
23409         traps before call to bypass_conditional_jumps.
23410
23411 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23412
23413         PR tree-optimization/71374
23414         * lra-constraints.c (check_conflict_input_operands): New.
23415         (match_reload): Use it.
23416
23417 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23418
23419         PR target/79131
23420         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
23421         account to calculate conflict_set.
23422
23423 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
23424
23425         PR rtl-optimization/78559
23426         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
23427         other_insn in combine.
23428
23429 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
23430
23431         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
23432         uint16_type_node for BT_UINT16.
23433
23434 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
23435
23436         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
23437         "RTL Tests" to menu.
23438         (GIMPLE Tests): New node.
23439         (RTL Tests): New node.
23440
23441 2017-01-27  Richard Biener  <rguenther@suse.de>
23442
23443         PR tree-optimization/79245
23444         * tree-loop-distribution.c (distribute_loop): Apply cost
23445         modeling also to detected patterns.
23446
23447 2017-01-27  Richard Biener  <rguenther@suse.de>
23448
23449         PR tree-optimization/71433
23450         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
23451         (compare_assert_loc): New function.
23452         (process_assert_insertions): Sort and optimize assert locations
23453         to remove duplicates and push down identical assertions on
23454         edges to their destination block.
23455
23456 2017-01-27  Richard Biener  <rguenther@suse.de>
23457
23458         PR tree-optimization/79244
23459         * tree-vrp.c (remove_range_assertions): Forcefully propagate
23460         out SSA names even if abnormal.
23461
23462 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
23463
23464         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
23465         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
23466         instead of MPFR_RNDN.
23467
23468 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
23469
23470         PR target/79239
23471         * arm.c (arm_option_override): Don't call build_target_option_node
23472         until after doing all option overrides.
23473         (arm_valid_target_attribute_tree): Likewise.
23474
23475 2017-01-27  Martin Liska  <mliska@suse.cz>
23476
23477         * doc/invoke.texi (-fprofile-arcs): Document profiling support
23478         for {cd}tors and C++ {cd}tors.
23479
23480 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23481
23482         * config/s390/s390.md ("*setmem_long_and")
23483         ("*setmem_long_and_31z"): Use zero_extend instead of and.
23484
23485 2017-01-26  Martin Sebor  <msebor@redhat.com>
23486
23487         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
23488         of precision.
23489
23490 2017-01-26  Martin Sebor  <msebor@redhat.com>
23491
23492         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
23493         HAVE_DFmode before using XFmode or DFmode.
23494         (parse_directive): Avoid using the z length modifier to avoid
23495         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
23496
23497         PR middle-end/78703
23498         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
23499         to accept adjustment as an array.
23500         (get_int_range): New function.
23501         (struct directive): Make width and prec arrays.
23502         (directive::set_width, directive::set_precision): Call get_int_range.
23503         (format_integer, format_floating): Handle width and precision ranges.
23504         (format_string, parse_directive): Same.
23505
23506 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23507
23508         PR debug/79129
23509         * dwarf2out.c (generate_skeleton_bottom_up): For children with
23510         comdat_type_p set, just clone them, but keep the children in the
23511         original DIE.
23512
23513         PR debug/78835
23514         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
23515         which have direct callers with -fvar-tracking-assignments enabled
23516         in the current TU.
23517         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
23518         inside of type units.
23519
23520 2017-01-26  Martin Sebor  <msebor@redhat.com>
23521
23522         PR middle-end/78703
23523         * gimple-ssa-sprintf.c (struct result_range): Add likely and
23524         unlikely counters.
23525         (struct format_result): Replace number_chars, number_chars_min,
23526         and number_chars_max with a single member of struct result_range.
23527         Remove bounded.
23528         (format_result::operator+=): Adjust.
23529         (struct fmtresult): Remove bounded.  Handle likely and unlikely
23530         counters.
23531         (fmtresult::adjust_for_width_or_precision): New function.
23532         (fmtresult:type_max_digits): New function.
23533         (bytes_remaining): Handle likely and unlikely counters.
23534         (min_bytes_remaining): Remove.
23535         (format_percent): Simplify.
23536         (format_integer, format_floating): Set likely and unlikely counters.
23537         (get_string_length, format_character, format_string): Same.
23538         (format_plain, should_warn_p): New function.
23539         (maybe_warn): Call should_warn_p.  Update diagnostic messages
23540         and handle those for all directives, including plain strings.
23541         (format_directive): Handle likely and unlikely counters.
23542         Remove unnecessary quoting from diagnostics.  Add an informational
23543         note.
23544         (add_bytes): Remove.
23545         (pass_sprintf_length::compute_format_length): Simplify.
23546         (try_substitute_return_value): Handle likely and unlikely counters.
23547
23548 2017-01-26  Carl Love  <cel@us.ibm.com>
23549
23550         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
23551         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
23552
23553 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
23554
23555         PR target/79131
23556         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
23557         endianess for subregs into account.
23558         * lra-constraints.c (lra_constraints): Do risky transformations
23559         always on the first iteration.
23560         * lra-lives.c (check_pseudos_live_through_calls): Add arg
23561         last_call_used_reg_set.
23562         (process_bb_lives): Define and use last_call_used_reg_set.
23563         * lra.c (lra): Always continue after lra_constraints on the first
23564         iteration.
23565
23566 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
23567
23568         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
23569         constant.
23570         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
23571
23572 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23573
23574         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
23575         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
23576         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
23577         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
23578         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
23579         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
23580         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
23581         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
23582         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
23583
23584 2017-01-26  Marek Polacek  <polacek@redhat.com>
23585
23586         PR c/79199
23587         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
23588         for the third operand.
23589
23590 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23591
23592         PR middle-end/79236
23593         * omp-low.c (struct omp_context): Add simt_stmt field.
23594         (scan_omp_for): Return omp_context *.
23595         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
23596         context to the _simt_ SIMD stmt.
23597         (lower_omp_for): For combined SIMD with sibling _simt_
23598         SIMD, make sure to use the same decls in _looptemp_
23599         clauses as in the sibling.
23600
23601 2017-01-26  David Sherwood  <david.sherwood@arm.com>
23602
23603         PR middle-end/79212
23604         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
23605         all contexts.
23606
23607 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23608
23609         PR target/70465
23610         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
23611         emit fld b; fld a; if possible.
23612
23613         * brig-builtins.def: Update copyright years.
23614         * config/arm/arm_acle_builtins.def: Update copyright years.
23615
23616 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
23617
23618         PR target/79179
23619         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
23620         constraint instead of o for the stxsd instruction.
23621
23622 2017-01-25  Carl Love  <cel@us.ibm.com>
23623
23624         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
23625         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
23626
23627 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
23628
23629         * doc/invoke.texi (C++ Dialect Options): Fix typo.
23630
23631 2017-01-25  Richard Biener  <rguenther@suse.de>
23632
23633         PR tree-optimization/69264
23634         * target.def (vector_alignment_reachable): Improve documentation.
23635         * doc/tm.texi: Regenerate.
23636         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
23637         and add a comment.
23638         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
23639         earlier changes with respect to TYPE_USER_ALIGN.
23640         (vector_alignment_reachable_p): Likewise.  Improve dumping.
23641
23642 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23643
23644         PR target/79145
23645         * config/arm/arm.md (xordi3): Force constant operand into a register
23646         for TARGET_IWMMXT.
23647
23648 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23649
23650         * doc/invoke.texi (-fstore-merging): Correct default optimization
23651         levels at which it is enabled.
23652         (-O): Move -fstore-merging from list to...
23653         (-O2): ... Here.
23654
23655 2017-01-25  Richard Biener  <rguenther@suse.de>
23656
23657         PR debug/78363
23658         * omp-expand.c: Include debug.h.
23659         (expand_omp_taskreg): Make sure to generate early debug before
23660         outlining anything from a function.
23661         (expand_omp_target): Likewise.
23662         (grid_expand_target_grid_body): Likewise.
23663
23664 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
23665
23666         PR lto/79061
23667         * asan.c (get_translation_unit_decl): New function.
23668         (asan_add_global): Extract modules file name from globals
23669         TRANSLATION_UNIT_DECL name.
23670
23671 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
23672
23673         PR target/77439
23674         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
23675         for long calls with APCS frame and VFP.
23676
23677 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
23678
23679         * cfg.c (original_copy_tables_initialized_p): New function.
23680         * cfg.h (original_copy_tables_initialized_p): New decl.
23681         * cfgrtl.c (relink_block_chain): Guard the call to
23682         free_original_copy_tables with a call to
23683         original_copy_tables_initialized_p.
23684         * cgraph.h (symtab_node::native_rtl_p): New decl.
23685         * cgraphunit.c (symtab_node::native_rtl_p): New function.
23686         (symtab_node::needed_p): Don't assert for early assembly output
23687         for __RTL functions.
23688         (cgraph_node::finalize_function): Set "force_output" for __RTL
23689         functions.
23690         (cgraph_node::analyze): Bail out early for __RTL functions.
23691         (analyze_functions): Update assertion to support __RTL functions.
23692         (cgraph_node::expand): Bail out early for __RTL functions.
23693         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
23694         __RTL functions.
23695         * function.h (struct function): Update comment for field
23696         "pass_startwith".
23697         * gimple-expr.c: Include "tree-pass.h".
23698         (gimple_has_body_p): Return false for __RTL functions.
23699         * Makefile.in (OBJS): Add run-rtl-passes.o.
23700         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
23701         accessor.
23702         (gcc::pass_manager::get_clean_slate): New accessor.
23703         * passes.c: Include "insn-addr.h".
23704         (should_skip_pass_p): Add logging.  Update logic for running
23705         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
23706         property-provider override so it is only done for gimple passes.
23707         Don't skip dfinit.
23708         (skip_pass): New function.
23709         (execute_one_pass): Call skip_pass when skipping passes.
23710         * read-md.c (md_reader::read_char): Support filtering
23711         the input to a subset of line numbers.
23712         (md_reader::md_reader): Initialize fields
23713         m_first_line and m_last_line.
23714         (md_reader::read_file_fragment): New function.
23715         * read-md.h (md_reader::read_file_fragment): New decl.
23716         (md_reader::m_first_line): New field.
23717         (md_reader::m_last_line): New field.
23718         * read-rtl-function.c (function_reader::create_function): Only
23719         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
23720         curr_properties.  Set DECL_INITIAL to a dummy block.
23721         (read_rtl_function_body_from_file_range): New function.
23722         * read-rtl-function.h (read_rtl_function_body_from_file_range):
23723         New decl.
23724         * run-rtl-passes.c: New file.
23725         * run-rtl-passes.h: New file.
23726
23727 2017-01-24  Jeff Law  <law@redhat.com>
23728
23729         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
23730         buffer size.
23731
23732 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
23733
23734         PR tree-optimization/79159
23735         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
23736         (record_nonwrapping_iv): Improve boundary using above function if no
23737         value range information.
23738
23739 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
23740             Martin Jambor  <mjambor@suse.cz>
23741
23742         * brig-builtins.def: New file.
23743         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
23744         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
23745         (DEF_HSAIL_SAT_BUILTIN): Likewise.
23746         (DEF_HSAIL_INTR_BUILTIN): Likewise.
23747         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
23748         * builtin-types.def (BT_INT8): New.
23749         (BT_INT16): Likewise.
23750         (BT_UINT8): Likewise.
23751         (BT_UINT16): Likewise.
23752         (BT_FN_ULONG): Likewise.
23753         (BT_FN_UINT_INT): Likewise.
23754         (BT_FN_UINT_ULONG): Likewise.
23755         (BT_FN_UINT_LONG): Likewise.
23756         (BT_FN_UINT_PTR): Likewise.
23757         (BT_FN_ULONG_PTR): Likewise.
23758         (BT_FN_INT8_FLOAT): Likewise.
23759         (BT_FN_INT16_FLOAT): Likewise.
23760         (BT_FN_UINT32_FLOAT): Likewise.
23761         (BT_FN_UINT16_FLOAT): Likewise.
23762         (BT_FN_UINT8_FLOAT): Likewise.
23763         (BT_FN_UINT64_FLOAT): Likewise.
23764         (BT_FN_UINT16_UINT32): Likewise.
23765         (BT_FN_UINT32_UINT16): Likewise.
23766         (BT_FN_UINT16_UINT16_UINT16): Likewise.
23767         (BT_FN_INT_PTR_INT): Likewise.
23768         (BT_FN_UINT_PTR_UINT): Likewise.
23769         (BT_FN_LONG_PTR_LONG): Likewise.
23770         (BT_FN_ULONG_PTR_ULONG): Likewise.
23771         (BT_FN_VOID_UINT64_UINT64): Likewise.
23772         (BT_FN_UINT8_UINT8_UINT8): Likewise.
23773         (BT_FN_INT8_INT8_INT8): Likewise.
23774         (BT_FN_INT16_INT16_INT16): Likewise.
23775         (BT_FN_INT_INT_INT): Likewise.
23776         (BT_FN_UINT_FLOAT_UINT): Likewise.
23777         (BT_FN_FLOAT_UINT_UINT): Likewise.
23778         (BT_FN_ULONG_UINT_UINT): Likewise.
23779         (BT_FN_ULONG_UINT_PTR): Likewise.
23780         (BT_FN_ULONG_ULONG_ULONG): Likewise.
23781         (BT_FN_UINT_UINT_UINT): Likewise.
23782         (BT_FN_VOID_UINT_PTR): Likewise.
23783         (BT_FN_UINT_UINT_PTR: Likewise.
23784         (BT_FN_UINT32_UINT64_PTR): Likewise.
23785         (BT_FN_INT_INT_UINT_UINT): Likewise.
23786         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
23787         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
23788         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
23789         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
23790         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
23791         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
23792         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
23793         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
23794         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
23795         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
23796         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
23797         * doc/frontends.texi: List BRIG FE.
23798         * doc/install.texi (Testing): Add BRIG tesring requirements.
23799         * doc/invoke.texi (Overall Options): Mention BRIG.
23800         * doc/standards.texi (Standards): Doucment BRIG HSA version.
23801
23802 2017-01-24  Richard Biener  <rguenther@suse.de>
23803
23804         PR translation/79208
23805         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
23806
23807 2017-01-24  Martin Jambor  <mjambor@suse.cz>
23808
23809         PR bootstrap/79198
23810         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
23811         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
23812         and known_contexts.
23813
23814 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
23815
23816         PR middle-end/79123
23817         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
23818         casts from signed to unsigned really don't have a range.
23819
23820 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
23821
23822         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
23823         GMP_RNDx for compatiblity.
23824
23825 2017-01-24  Martin Liska  <mliska@suse.cz>
23826
23827         PR bootstrap/79132
23828         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
23829         that would prevent us to call alloca with -1 as argument.
23830
23831 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
23832
23833         * dwarf2out.c (output_compilation_unit_header, output_file_names):
23834         Avoid -Wformat-security warning.
23835
23836 2017-01-23  Andrew Pinski  <apinski@cavium.com>
23837
23838         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
23839         cost table.
23840
23841 2017-01-23  Martin Sebor  <msebor@redhat.com>
23842
23843         PR middle-end/78703
23844         * gimple-ssa-sprintf.c (warn_level): New global.
23845         (format_integer): Use it here and throughout the rest of the file.
23846         Use the same switch to compute sign as base.
23847         (maybe_warn): New function.
23848         (format_directive): Factor out warnings into maybe_warn.
23849         Add debugging output.  Use warn_level.
23850         (add_bytes): Use warn_level.
23851         (pass_sprintf_length::compute_format_length): Add debugging output.
23852         (try_substitute_return_value): Same.
23853         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
23854
23855         PR middle-end/78703
23856         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
23857         (struct fmtresult, format_integer, format_floating): Adjust.
23858         (fmtresult::fmtresult): Set max correctly in two argument ctor.
23859         (get_string_length, format_string,format_directive): Same.
23860         (pass_sprintf_length::compute_format_length): Same.
23861         (try_substitute_return_value): Simplify slightly.
23862
23863         PR middle-end/78703
23864         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
23865         (fmtresult::operator+=): Outlined.
23866         (struct fmtresult): Add ctors.
23867         (struct conversion_spec): Rename...
23868         (struct directive): ...to this.  Add and remove data members.
23869         (directive::set_width, directive::set_precision): New functions.
23870         (format_percent): Use fmtresult ctor.
23871         (get_width_and_precision): Remove.
23872         (format_integer): Make naming changes.  Avoid computing width and
23873         precision.
23874         (format_floating): Same.  Adjust indentation.
23875         (format_character, format_none): New functions.
23876         (format_string): Moved character handling to format_character.
23877         (format_directive): Remove arguments, change return type.
23878         (parse_directive): New function.
23879         (pass_sprintf_length::compute_format_length): Move directive
23880         parsing to parse_directive.
23881
23882 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23883
23884         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
23885         (assign_assembler_name_if_needed): ... this.
23886         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
23887         (assign_assembler_name_if_needed): ... this.
23888         (free_lang_data_in_cgraph): Adjust callers.
23889         * cgraphunit.c (cgraph_node::analyze): Likewise.
23890         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
23891         Likewise.
23892
23893 2017-01-23  Richard Biener  <rguenther@suse.de>
23894
23895         PR tree-optimization/79088
23896         PR tree-optimization/79188
23897         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
23898         resetting loop bounds after last path deletion.  Reset loop
23899         bounds of the target loop, make code match the comments.
23900         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
23901         Make sure loops need no fixups.
23902
23903 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23904
23905         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
23906         exponent support with double type for first argument.
23907         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
23908         type returned by __builtin_vec_extract_sig,
23909         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
23910         functions from "vector int" to "vector unsigned int" or from
23911         "vector long long int" to "vector unsigned long long int".
23912         Changed type returned by __builtin_vec_extract_exp,
23913         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
23914         functions from "vector int" to "vector unsigned int" or from
23915         "vector long long int" to "vector unsigned long long int".
23916         Changed return type of __builtin_vec_test_data_class,
23917         __builtin_vec_test_data_class_sp, and
23918         __builtin_vec_test_data_class_dp from "vector int" to
23919         "vector bool int" or from "vector long long int" to "vector bool
23920         long long int" and changed second argument type from "unsigned
23921         int" to "int".  Added new overloaded function forms "vector float
23922         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
23923         "vector float __builtin_vec_insert_exp_sp (vector float, vector
23924         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
23925         double, vector unsigned long long int)" and "vector double
23926         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
23927         long int)".  Changed return type of
23928         __builtin_scalar_test_data_class and
23929         __builtin_scalar_test_data_class_sp and
23930         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
23931         int" and changed second argument from "unsigned int" to "int".
23932         Changed type returned by __builtin_scalar_test_neg,
23933         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
23934         from "int" to "bool int".  Added new overloaded function form
23935         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
23936         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
23937         exponent double-precision with floating point first argument.
23938         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
23939         documentation of scalar_test_data_class, scalar_test_neg,
23940         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
23941         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
23942         vec_test_data_class built-in functions to reflect refinements in
23943         their type signatures.
23944
23945 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
23946
23947         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
23948         size of buf.
23949         (aarch64_elf_asm_destructor): Likewise.
23950
23951 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
23952
23953         PR rtl-optimization/78634
23954         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
23955         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
23956         * ifcvt.c (noce_try_cmove): Add missing cost check.
23957
23958         PR rtl-optimization/71724
23959         * combine.c (if_then_else_cond): Look for situations where it is
23960         beneficial to undo the work of one of the recursive calls.
23961
23962 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
23963
23964         PR tree-optimization/70754
23965         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
23966         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
23967         combined stmt before it if not NULL.
23968         (combine_chains): Process refs reversely and compute dominance point
23969         for root ref.
23970
23971 2017-01-23  Martin Liska  <mliska@suse.cz>
23972
23973         PR tree-optimization/79196
23974         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
23975         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
23976         instead of memcmp.
23977         (strlen_optimize_stmt): Call the renamed function.
23978
23979 2017-01-23  Michael Matz  <matz@suse.de>
23980
23981         PR tree-optimization/78384
23982         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
23983
23984 2017-01-23  Richard Biener  <rguenther@suse.de>
23985
23986         PR tree-optimization/79186
23987         * tree-vrp.c (register_new_assert_for): Make sure we've seen
23988         both incoming edges before moving an assert.
23989
23990 2017-01-23  Martin Jambor  <mjambor@suse.cz>
23991
23992         * ipa-prop.c (load_from_param_1): Removed.
23993         (load_from_unmodified_param): Bits from load_from_param_1 put back
23994         here.
23995         (load_from_param): Removed.
23996         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
23997         with stmt.  Reverted back to use of load_from_unmodified_param.
23998
23999 2017-01-23  Martin Jambor  <mjambor@suse.cz>
24000
24001         PR ipa/79108
24002         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
24003         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
24004         field a pointer to garbage collected vector, mark lattices and
24005         ipcp_orig_node with GTY((skip)).
24006         (ipa_get_param_count): Adjust to descriptors being a pointer.
24007         (ipa_get_param): Likewise.
24008         (ipa_get_type): Likewise.
24009         (ipa_get_param_move_cost): Likewise.
24010         (ipa_set_param_used): Likewise.
24011         (ipa_get_controlled_uses): Likewise.
24012         (ipa_set_controlled_uses): Likewise.
24013         (ipa_is_param_used): Likewise.
24014         (ipa_node_params_t): Move into garbage collector.  New methods insert
24015         and remove.
24016         (ipa_node_params_sum): Annotate wth GTY(()).
24017         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
24018         garbage collected.
24019         (ipa_load_from_parm_agg): Adjust declaration.
24020         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
24021         * ipa-profile.c (ipa_profile): Likewise.
24022         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
24023         (ipa_populate_param_decls): Make descriptors parameter garbage
24024         collected.
24025         (ipa_dump_param): Adjust to descriptors being a pointer.
24026         (ipa_alloc_node_params): Likewise.
24027         (ipa_initialize_node_params): Likewise.
24028         (load_from_param_1): Make descriptors parameter garbage collected.
24029         (load_from_unmodified_param): Likewise.
24030         (load_from_param): Likewise.
24031         (ipa_load_from_parm_agg): Likewise.
24032         (ipa_node_params::~ipa_node_params): Removed.
24033         (ipa_free_all_node_params): Remove call to delete operator.
24034         (ipa_node_params_t::insert): New.
24035         (ipa_node_params_t::remove): Likewise.
24036         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
24037         copy known_csts and known_contexts vectors.
24038         (ipa_read_node_info): Adjust to descriptors being a pointer.
24039         (ipcp_modif_dom_walker): Make m_descriptors field garbage
24040         collected.
24041         (ipcp_transform_function): Make descriptors variable garbage
24042         collected.
24043
24044 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
24045
24046         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
24047         * config/i386/avx512dqintrin.h: Ditto.
24048         * config/i386/avx512fintrin.h: Ditto.
24049         * config/i386/i386.c: Handle new builtins.
24050         * config/i386/i386-builtin.def: Add new builtins.
24051         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
24052         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
24053
24054 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
24055             Martin Liska  <mliska@suse.cz>
24056
24057         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
24058         * asan.c (asan_expand_poison_ifn): Support stores and use
24059         appropriate ASAN report function.
24060         * internal-fn.c (expand_ASAN_POISON_USE): New function.
24061         * internal-fn.def (ASAN_POISON_USE): Declare.
24062         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
24063         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
24064         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
24065         ASAN_POISON calls w/o LHS.
24066         * tree-ssa.c (execute_update_addresses_taken): Create clobber
24067         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
24068         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
24069         * gimplify.c (asan_poison_variables): Add attribute
24070         use_after_scope_memory to variables that really needs to live
24071         in memory.
24072         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
24073         having the attribute.
24074
24075 2017-01-23  Martin Liska  <mliska@suse.cz>
24076
24077         * asan.c (create_asan_shadow_var): New function.
24078         (asan_expand_poison_ifn): Likewise.
24079         * asan.h (asan_expand_poison_ifn): New declaration.
24080         * internal-fn.c (expand_ASAN_POISON): Likewise.
24081         * internal-fn.def (ASAN_POISON): New builtin.
24082         * sanopt.c (pass_sanopt::execute): Expand
24083         asan_expand_poison_ifn.
24084         * tree-inline.c (copy_decl_for_dup_finish): Make function
24085         external.
24086         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
24087         * tree-ssa.c (is_asan_mark_p): New function.
24088         (execute_update_addresses_taken): Rewrite local variables
24089         (identified just by use-after-scope as addressable) into SSA.
24090
24091 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24092
24093         * doc/install.texi (Specific): opensource.apple.com uses https
24094         now. Remove trailing slash.
24095
24096 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24097
24098         * README.Portability: Remove note on an Irix compatibility issue.
24099
24100 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
24101
24102         * gcov.c (INCLUDE_ALGORITHM): Define.
24103         (INCLUDE_VECTOR): Define.
24104         No longer include <vector> and <algorithm> directly.
24105
24106 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
24107
24108         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
24109         to https.
24110         * doc/invoke.texi (Code Gen Options): Ditto.
24111
24112 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
24113
24114         PR lto/78407
24115         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
24116
24117 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
24118
24119         rtl-optimization/79125
24120         * cprop.c (local_cprop_pass): Handle cases where we make an
24121         unconditional trap.
24122
24123 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
24124
24125         PR target/61729
24126         PR target/77850
24127         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
24128         read from, for big endian.
24129
24130 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
24131
24132         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
24133         register pauth builtins for LP64 only.
24134
24135 2017-01-20  Marek Polacek  <polacek@redhat.com>
24136
24137         PR c/79152
24138         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
24139         non-case labels.
24140
24141 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24142
24143         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
24144         of safelen status.
24145         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
24146         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
24147         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
24148
24149 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24150
24151         PR target/71270
24152         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
24153         in big-endian mode when they are not a single duplicated value.
24154
24155 2017-01-20  Richard Biener  <rguenther@suse.de>
24156
24157         * BASE-VER: Bump to 7.0.1.
24158
24159 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24160
24161         * omp-low.c (omplow_simd_context): New struct.  Use it...
24162         (lower_rec_simd_input_clauses): ...here and...
24163         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
24164         references to idx, lane, max_vf, is_simt.
24165
24166 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
24167
24168         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
24169         mcpu=nps400.
24170
24171 2017-01-20  Martin Jambor  <mjambor@suse.cz>
24172
24173         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
24174         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
24175         gt-hsa-common.h.
24176         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
24177         (GTFILES): Rename hsa.c to hsa-common.c.
24178         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
24179         * hsa-dump.c: Likewise.
24180         * hsa-gen.c: Likewise.
24181         * hsa-regalloc.c: Likewise.
24182         * ipa-hsa.c: Likewise.
24183         * omp-expand.c: Likewise.
24184         * omp-low.c: Likewise.
24185         * toplev.c: Likewise.
24186
24187 2017-01-20  Marek Polacek  <polacek@redhat.com>
24188
24189         PR c/64279
24190         * doc/invoke.texi: Document -Wduplicated-branches.
24191         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
24192         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
24193         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
24194         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
24195         return 0 only when not OEP_LEXICOGRAPHIC.
24196         (fold_build_cleanup_point_expr): Use the expression
24197         location when building CLEANUP_POINT_EXPR.
24198         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
24199         * tree.c (add_expr): Handle error_mark_node.
24200
24201 2017-01-20  Martin Liska  <mliska@suse.cz>
24202
24203         PR lto/69188
24204         * tree-profile.c (init_ic_make_global_vars): Do not call
24205         finalize_decl.
24206         (gimple_init_gcov_profiler): Likewise.
24207
24208 2017-01-20  Martin Liska  <mliska@suse.cz>
24209
24210         PR ipa/71190
24211         * cgraph.h (maybe_create_reference): Remove argument and
24212         update comment.
24213         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
24214         argument.
24215         * ipa-cp.c (create_specialized_node): Likewise.
24216         * symtab.c (symtab_node::maybe_create_reference): Handle
24217         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
24218
24219 2017-01-20  Martin Liska  <mliska@suse.cz>
24220
24221         * read-rtl-function.c (function_reader::create_function): Use
24222         build_decl instread of build_decl_stat.
24223
24224 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
24225
24226         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
24227         * config/i386/avx512dqintrin.h: Ditto.
24228         * config/i386/avx512fintrin.h: Ditto.
24229         * config/i386/i386-builtin-types.def: Add new types.
24230         * config/i386/i386.c: Handle new types.
24231         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
24232         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
24233         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
24234         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
24235         (__builtin_ia32_kshiftridi): New.
24236         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
24237
24238 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
24239
24240         PR target/78875
24241         PR target/79140
24242         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
24243         define to rs6000_init_stack_protect_guard.
24244         (rs6000_init_stack_protect_guard): New function.
24245
24246 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24247             Yunqiang Su  <yunqiang.su@imgtec.com>
24248
24249         * config.gcc (supported_defaults): Add madd4.
24250         (with_madd4): Add validation.
24251         (all_defaults): Add madd4.
24252         * config/mips/mips.opt (mmadd4): New option.
24253         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24254         mmadd4.
24255         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24256         __mips_no_madd4.
24257         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
24258         (ISA_HAS_FUSED_MADD4): Likewise.
24259         * doc/invoke.texi (-mmadd4): Document the new option.
24260         * doc/install.texi (--with-madd4): Document the new option.
24261
24262 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24263
24264         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
24265         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
24266         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
24267         (aarch64_init_pauth_hint_builtins): New.
24268         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
24269         (aarch64_expand_builtin): Expand new builtins.
24270
24271 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24272
24273         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
24274         * combine-stack-adj.c (no_unhandled_cfa): Handle
24275         REG_CFA_TOGGLE_RA_MANGLE.
24276         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
24277         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
24278         info for return address signing.
24279         (aarch64_expand_epilogue): Likewise.
24280
24281 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24282
24283         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
24284         * config/aarch64/aarch64-protos.h
24285         (aarch64_return_address_signing_enabled): New declaration.
24286         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
24287         New function.
24288         (aarch64_expand_prologue): Sign return address before it's pushed onto
24289         stack.
24290         (aarch64_expand_epilogue): Authenticate return address fetched from
24291         stack.
24292         (aarch64_override_options): Sanity check for ILP32 and ISA level.
24293         (aarch64_attributes): New function attributes for "sign-return-address".
24294         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
24295         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
24296         ("*do_return"): Generate combined instructions according to key index.
24297         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
24298         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
24299         iterators.
24300         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
24301         * config/aarch64/aarch64.opt (msign-return-address=): New.
24302         * doc/extend.texi (AArch64 Function Attributes): Documents
24303         "sign-return-address=".
24304         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
24305
24306 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24307
24308         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
24309         overall option summary.
24310
24311 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24312
24313         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
24314         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
24315         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
24316         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
24317
24318 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
24319
24320         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
24321         -mpower9-minmax by default for -mcpu=power9.
24322         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
24323         128-bit floating point.
24324
24325 2017-01-20  Alan Modra  <amodra@gmail.com>
24326
24327         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
24328         optimizing for size.
24329
24330 2017-01-20  Alan Modra  <amodra@gmail.com>
24331
24332         PR target/79144
24333         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
24334         for strcmp and strncmp from corresponding builtin decl.
24335
24336 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24337
24338         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
24339         instead of i386/rtems-64.h.
24340         * config/i386/rtems-64.h: Remove.
24341
24342 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24343
24344         PR target/78478
24345         Revert:
24346         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
24347
24348         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
24349
24350 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
24351
24352         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
24353         Change int to HOST_WIDE_INT.
24354         * config/aarch64/aarch64-protos.h
24355         (aarch64_simd_gen_const_vector_dup): Likewise.
24356         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
24357
24358 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
24359
24360         * langhooks-def.h (lhd_type_for_size): New decl.
24361         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
24362         * langhooks.c (lhd_type_for_size): New function, taken from
24363         lto_type_for_size.
24364
24365 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
24366
24367         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
24368         define_bypass for CR latency.
24369         (power9-cracked-alu): Update bypass latency and remove power9-branch.
24370         (power9-alu2): Add define_bypass for CR latency.
24371         (power9-cmp): New.
24372         (power9-mul): Update insn latency.
24373         (power9-mul-compare): Update insn latency, bypass latency and remove
24374         power9-branch.
24375
24376 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24377
24378         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
24379         Delete.
24380         * config/aarch64/aarch64.md
24381         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
24382         aarch64_nopcrelative_literal_loads.
24383         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
24384
24385 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
24386
24387         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
24388         TARGET_LOONGSON_3A.
24389         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
24390
24391 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
24392
24393         PR target/78176
24394         * config.gcc (supported_defaults): Add lxc1-sxc1.
24395         (with_lxc1_sxc1): Add validation.
24396         (all_defaults): Add lxc1-sxc1.
24397         * config/mips/mips.opt (mlxc1-sxc1): New option.
24398         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24399         mlxc1-sxc1.
24400         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24401         __mips_no_lxc1_sxc1.
24402         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
24403         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
24404         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
24405
24406 2017-01-19  Richard Biener  <rguenther@suse.de>
24407
24408         PR tree-optimization/72488
24409         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
24410         sure to restore SSA info.
24411         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
24412
24413 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
24414
24415         PR rtl-optimization/79121
24416         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
24417         of the inner type when shifting an extended value.
24418
24419 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24420
24421         PR lto/78407
24422         * symtab.c (symtab_node::equal_address_to): Fix comparing of
24423         interposable aliases.
24424
24425 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
24426
24427         PR target/78516
24428         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
24429         Use the evmergelohi instruction.
24430         (mov_si<mode>_e500_subreg4_2_le): Likewise.
24431         (mov_sitf_e500_subreg8_2_be): Likewise.
24432         (mov_sitf_e500_subreg12_2_le): Likewise.
24433         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
24434         (mov_si<mode>_e500_subreg4_2_be): Likewise.
24435         (mov_sitf_e500_subreg8_2_le): Likewise.
24436         (mov_sitf_e500_subreg12_2_be): Likewise.
24437
24438 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24439
24440         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
24441         attribute from vecsimple to vecperm.
24442         (altivec_vbpermq2): Likewise.
24443
24444 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24445
24446         PR target/79040
24447         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
24448
24449 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
24450         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
24451         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
24452         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
24453         case where N arg is SIZE_MAX.
24454         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
24455         (cmpstrsi): Add pattern.
24456
24457 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
24458
24459         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
24460         __builtin_vec_revb builtins.
24461         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
24462         built-in functions to support generation of the ISA 3.0 XXBR<x>
24463         vector byte reverse instructions.
24464         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
24465         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
24466         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
24467         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
24468         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
24469         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
24470         (P9V_BUILTIN_VEC_REVB): Likewise.
24471         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
24472         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
24473         (p9_xxbrq_v16qi): Likewise.
24474         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
24475         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
24476         (p9_xxbrh_v8hi): Likewise.
24477         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
24478         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
24479         vec_revb built-in functions.
24480
24481 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
24482
24483         PR rtl-optimization/78952
24484         * config/i386/i386.md (any_extract): New code iterator.
24485         (*insvqi_2): Use any_extract for source operand.
24486         (*insvqi_3): Use any_shiftrt for source operand.
24487
24488 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
24489
24490         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
24491         New function.
24492         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
24493
24494 2017-01-18  Matthias Klose  <doko@ubuntu.com>
24495
24496         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
24497
24498 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24499
24500         * config/rs6000/altivec.h (vec_bperm): Change #define.
24501         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
24502         (altivec_vbpermq2): New define_insn.
24503         (altivec_vbpermd): Likewise.
24504         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
24505         function interface.
24506         (VBPERMD): Likewise.
24507         (VBPERM): New polymorphic function interface.
24508         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
24509         Add entries for P9V_BUILTIN_VEC_VBPERM.
24510         * doc/extend.texi: Add interfaces for vec_bperm.
24511
24512 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24513
24514         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
24515         first letter of error messages.
24516         (s390_resolve_overloaded_builtin): Likewise.
24517         * config/s390/s390.c (s390_expand_builtin): Likewise.
24518         (s390_invalid_arg_for_unprototyped_fn): Likewise.
24519         (s390_valid_target_attribute_inner_p): Likewise.
24520         * config/s390/s390.md ("tabort"): Likewise.
24521
24522 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
24523
24524         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
24525         (ISA_AVOID_DIV_HILO): New macro.
24526         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
24527         (ISA_HAS_DDIV): Likewise.
24528
24529 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24530
24531         * doc/invoke.texi (fabi-version): Correct number of occurrences.
24532
24533 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24534
24535         * doc/invoke.texi (fabi-version): Spelling fix.
24536
24537 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24538
24539         PR c++/70182
24540         * doc/invoke.texi (fabi-version): Mention mangling fix for
24541         operator names.
24542
24543 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24544
24545         PR c++/77489
24546         * doc/invoke.texi (fabi-version): Document discriminator mangling.
24547
24548 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
24549
24550         PR target/78875
24551         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
24552         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
24553         the new options.
24554         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
24555         flexible settings.
24556         (stack_protect_test): Ditto.
24557         * config/rs6000/rs6000.opt (mstack-protector-guard=,
24558         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
24559         options.
24560         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
24561         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
24562         -mstack-protector-guard-offset=.
24563         (RS/6000 and PowerPC Options): Ditto.
24564
24565 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24566
24567         * config/i386/i386.h (MASK_CLASS_P): New define.
24568         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
24569         there are no registers from different register sets also when
24570         mask registers are used.  Update function comment.
24571         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
24572         to (*k/*r) and (*k/*km) alternatives.
24573
24574 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
24575
24576         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
24577         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
24578         (EH_RETURN_HANDLER_RTX): New define.
24579         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
24580         Force frame pointer in EH return functions.
24581         (aarch64_expand_epilogue): Add barrier for eh_return.
24582         (aarch64_final_eh_return_addr): Remove.
24583         (aarch64_eh_return_handler_rtx): New function.
24584         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
24585         Remove.
24586         (aarch64_eh_return_handler_rtx): New prototype.
24587
24588 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24589
24590         * config/rs6000/altivec.h (vec_rlmi): New #define.
24591         (vec_vrlnm): Likewise.
24592         (vec_rlnm): Likewise.
24593         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
24594         (UNSPEC_VRLNM): Likewise.
24595         (VIlong): New mode iterator.
24596         (altivec_vrl<VI_char>mi): New define_insn.
24597         (altivec_vrl<VI_char>nm): Likewise.
24598         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
24599         function entry.
24600         (VRLDNM): Likewise.
24601         (RLNM): New polymorphic function entry.
24602         (VRLWMI): New monomorphic function entry.
24603         (VRLDMI): Likewise.
24604         (RLMI): New polymorphic function entry.
24605         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
24606         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
24607         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
24608         vec_vrlnm.
24609
24610 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24611
24612         PR debug/78839
24613         * dwarf2out.c (field_byte_offset): Restore the
24614         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
24615         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
24616         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
24617         of build2 + fold.
24618
24619 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24620
24621         PR ada/67205
24622         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
24623
24624 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24625
24626         PR debug/71669
24627         * dwarf2out.c (add_data_member_location_attribute): For constant
24628         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
24629         instead of DW_AT_data_member_location, DW_AT_bit_offset and
24630         DW_AT_byte_size attributes.
24631
24632 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24633
24634         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
24635         after forcing to constant memory when the code model is medium.
24636
24637 2017-01-17  Julia Koval  <julia.koval@intel.com>
24638
24639         PR target/76731
24640         * config/i386/avx512fintrin.h
24641         (_mm512_i32gather_ps): Change __addr type to void const*.
24642         (_mm512_mask_i32gather_ps): Ditto.
24643         (_mm512_i32gather_pd): Ditto.
24644         (_mm512_mask_i32gather_pd): Ditto.
24645         (_mm512_i64gather_ps): Ditto.
24646         (_mm512_mask_i64gather_ps): Ditto.
24647         (_mm512_i64gather_pd): Ditto.
24648         (_mm512_mask_i64gather_pd): Ditto.
24649         (_mm512_i32gather_epi32): Ditto.
24650         (_mm512_mask_i32gather_epi32): Ditto.
24651         (_mm512_i32gather_epi64): Ditto.
24652         (_mm512_mask_i32gather_epi64): Ditto.
24653         (_mm512_i64gather_epi32): Ditto.
24654         (_mm512_mask_i64gather_epi32): Ditto.
24655         (_mm512_i64gather_epi64): Ditto.
24656         (_mm512_mask_i64gather_epi64): Ditto.
24657         (_mm512_i32scatter_ps): Change __addr type to void*.
24658         (_mm512_mask_i32scatter_ps): Ditto.
24659         (_mm512_i32scatter_pd): Ditto.
24660         (_mm512_mask_i32scatter_pd): Ditto.
24661         (_mm512_i64scatter_ps): Ditto.
24662         (_mm512_mask_i64scatter_ps): Ditto.
24663         (_mm512_i64scatter_pd): Ditto.
24664         (_mm512_mask_i64scatter_pd): Ditto.
24665         (_mm512_i32scatter_epi32): Ditto.
24666         (_mm512_mask_i32scatter_epi32): Ditto.
24667         (_mm512_i32scatter_epi64): Ditto.
24668         (_mm512_mask_i32scatter_epi64): Ditto.
24669         (_mm512_i64scatter_epi32): Ditto.
24670         (_mm512_mask_i64scatter_epi32): Ditto.
24671         (_mm512_i64scatter_epi64): Ditto.
24672         (_mm512_mask_i64scatter_epi64): Ditto.
24673         * config/i386/avx512pfintrin.h
24674         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
24675         (_mm512_mask_prefetch_i32gather_ps): Ditto.
24676         (_mm512_mask_prefetch_i64gather_pd): Ditto.
24677         (_mm512_mask_prefetch_i64gather_ps): Ditto.
24678         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
24679         (_mm512_prefetch_i32scatter_ps): Ditto.
24680         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
24681         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
24682         (_mm512_prefetch_i64scatter_pd): Ditto.
24683         (_mm512_prefetch_i64scatter_ps): Ditto.
24684         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
24685         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
24686         * config/i386/avx512vlintrin.h
24687         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
24688         (_mm_mmask_i32gather_ps): Ditto.
24689         (_mm256_mmask_i32gather_pd): Ditto.
24690         (_mm_mmask_i32gather_pd): Ditto.
24691         (_mm256_mmask_i64gather_ps): Ditto.
24692         (_mm_mmask_i64gather_ps): Ditto.
24693         (_mm256_mmask_i64gather_pd): Ditto.
24694         (_mm_mmask_i64gather_pd): Ditto.
24695         (_mm256_mmask_i32gather_epi32): Ditto.
24696         (_mm_mmask_i32gather_epi32): Ditto.
24697         (_mm256_mmask_i32gather_epi64): Ditto.
24698         (_mm_mmask_i32gather_epi64): Ditto.
24699         (_mm256_mmask_i64gather_epi32): Ditto.
24700         (_mm_mmask_i64gather_epi32): Ditto.
24701         (_mm256_mmask_i64gather_epi64): Ditto.
24702         (_mm_mmask_i64gather_epi64): Ditto.
24703         (_mm256_i32scatter_ps): Change __addr type to void*.
24704         (_mm256_mask_i32scatter_ps): Ditto.
24705         (_mm_i32scatter_ps): Ditto.
24706         (_mm_mask_i32scatter_ps): Ditto.
24707         (_mm256_i32scatter_pd): Ditto.
24708         (_mm256_mask_i32scatter_pd): Ditto.
24709         (_mm_i32scatter_pd): Ditto.
24710         (_mm_mask_i32scatter_pd): Ditto.
24711         (_mm256_i64scatter_ps): Ditto.
24712         (_mm256_mask_i64scatter_ps): Ditto.
24713         (_mm_i64scatter_ps): Ditto.
24714         (_mm_mask_i64scatter_ps): Ditto.
24715         (_mm256_i64scatter_pd): Ditto.
24716         (_mm256_mask_i64scatter_pd): Ditto.
24717         (_mm_i64scatter_pd): Ditto.
24718         (_mm_mask_i64scatter_pd): Ditto.
24719         (_mm256_i32scatter_epi32): Ditto.
24720         (_mm256_mask_i32scatter_epi32): Ditto.
24721         (_mm_i32scatter_epi32): Ditto.
24722         (_mm_mask_i32scatter_epi32): Ditto.
24723         (_mm256_i32scatter_epi64): Ditto.
24724         (_mm256_mask_i32scatter_epi64): Ditto.
24725         (_mm_i32scatter_epi64): Ditto.
24726         (_mm_mask_i32scatter_epi64): Ditto.
24727         (_mm256_i64scatter_epi32): Ditto.
24728         (_mm256_mask_i64scatter_epi32): Ditto.
24729         (_mm_i64scatter_epi32): Ditto.
24730         (_mm_mask_i64scatter_epi32): Ditto.
24731         (_mm256_i64scatter_epi64): Ditto.
24732         (_mm256_mask_i64scatter_epi64): Ditto.
24733         (_mm_i64scatter_epi64): Ditto.
24734         (_mm_mask_i64scatter_epi64): Ditto.
24735         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
24736         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
24737         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
24738         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
24739         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
24740         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
24741         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
24742         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
24743         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
24744         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
24745         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
24746         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
24747         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
24748         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
24749         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
24750         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
24751         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
24752         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
24753         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
24754         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
24755         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
24756         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
24757         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
24758         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
24759         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
24760         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
24761         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
24762         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
24763         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
24764         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
24765         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
24766         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
24767         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
24768         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
24769         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
24770         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
24771         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
24772         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
24773         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
24774         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
24775         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
24776         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
24777         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
24778         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
24779         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
24780         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
24781         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
24782         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
24783         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
24784         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
24785         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
24786         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
24787         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
24788         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
24789         definitions accordingly.
24790
24791 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
24792             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
24793
24794         PR target/79079
24795         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
24796         gen_lowpart.
24797
24798 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
24799
24800         PR target/79058
24801         * ira-conflicts.c (ira_build_conflicts): Update total conflict
24802         hard regs for inner regno.
24803
24804 2017-01-17  Martin Liska  <mliska@suse.cz>
24805
24806         PR ipa/71207
24807         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
24808         assumption and add comment.
24809
24810 2017-01-17  Nathan Sidwell  <nathan@acm.org>
24811
24812         * ipa-visibility.c (localize_node): New function, broken out of ...
24813         (function_and_variable_visibility): ... here. Call it.
24814
24815 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24816
24817         PR middle-end/77445
24818         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
24819         correctly set frequency of oudgoing edge.
24820         (duplicate_thread_path): Fix profile updating.
24821
24822 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24823
24824         PR other/79046
24825         * configure.ac: Add GCC_BASE_VER.
24826         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
24827         version from BASE-VER file.
24828         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
24829         (gcc.o): Depend on $(BASEVER).
24830         * common.opt (dumpfullversion): New option.
24831         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
24832         * doc/invoke.texi: Document -dumpfullversion.
24833         * doc/install.texi: Document --with-gcc-major-version-only.
24834         * configure: Regenerated.
24835
24836 2017-01-17  Richard Biener  <rguenther@suse.de>
24837
24838         PR tree-optimization/71433
24839         * tree-vrp.c (register_new_assert_for): Merge same asserts
24840         on all incoming edges.
24841         (process_assert_insertions_for): Handle insertions at the
24842         beginning of BBs.
24843
24844 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
24845
24846         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
24847         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
24848
24849 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
24850
24851         PR target/78633
24852         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
24853         RTL sharing.
24854
24855 2017-01-17  Alan Modra  <amodra@gmail.com>
24856
24857         PR target/79066
24858         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
24859         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
24860         symbolic stack limit when pic.
24861
24862 2017-01-16  Martin Sebor  <msebor@redhat.com>
24863
24864         PR tree-optimization/78608
24865         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
24866
24867 2017-01-16  Jeff Law  <law@redhat.com>
24868
24869         Revert:
24870         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
24871         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
24872         for several include directories that may be relative to sysroot.
24873         * config/i386/x-mingw32 (gplus_includedir): Define.
24874         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
24875         (native_system_includedir): Likewise.
24876         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
24877         override if TARGET_SYSTEM_ROOT is defined.
24878         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
24879
24880         PR tree-optimization/79090
24881         PR tree-optimization/33562
24882         PR tree-optimization/61912
24883         PR tree-optimization/77485
24884         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
24885         and computed trims into the dump file.
24886
24887 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24888
24889         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
24890
24891 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
24892
24893         PR c/79089
24894         * gimplify.c (gimplify_init_constructor): If want_value and
24895         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
24896         fix.
24897
24898         PR target/79080
24899         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
24900         sequence.  Formatting fixes.
24901         (doloop_optimize): Formatting fixes.
24902
24903         PR driver/49726
24904         * gcc.c (debug_level_greater_than_spec_func): New function.
24905         (static_spec_functions): Add debug-level-gt spec function.
24906         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
24907         !g0.
24908         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24909         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24910         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
24911         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
24912         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
24913         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
24914
24915 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
24916
24917         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
24918         QImode fixups to general and mask registers only.
24919
24920 2017-01-16  Carl Love  <cel@us.ibm.com>
24921
24922         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
24923         for built-in functions
24924         vector signed char vec_nabs (vector signed char)
24925         vector signed short vec_nabs (vector signed short)
24926         vector signed int vec_nabs (vector signed int)
24927         vector signed long long vec_nabs (vector signed long long)
24928         vector float vec_nabs (vector float)
24929         vector double vec_nabs (vector double)
24930         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
24931         and NABS overload.
24932         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
24933         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
24934         * doc/extend.texi: Update the documentation file for the new built-in
24935         functions.
24936
24937 2017-01-16  Martin Sebor  <msebor@redhat.com>
24938
24939         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
24940         message.
24941
24942 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24943
24944         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
24945         UNSPEC_VSX__XXSPLTD to require special splat handling.
24946
24947 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
24948
24949         PR bootstrap/78616
24950         * system.h: Poison strndup.
24951
24952 2017-01-16  Alan Modra  <amodra@gmail.com>
24953
24954         PR target/79098
24955         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
24956         use a switch.
24957
24958 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
24959
24960         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
24961
24962 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
24963
24964         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
24965         call recog here.  Assert that INSN_CODE (insn) is non-negative.
24966
24967 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24968
24969         PR target/72749
24970         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
24971         fallthrough.
24972         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
24973         in the currently scheduled RTL fragment.
24974
24975 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24976
24977         PR rtl-optimization/78751
24978         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
24979         give up.
24980
24981 2017-01-14  Jeff Law  <law@redhat.com>
24982
24983         PR tree-optimization/79090
24984         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
24985         variable length stores.
24986         (compute_trims): Delete dead assignment to *trim_tail.
24987         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
24988         zero length.
24989
24990 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
24991
24992         PR rtl-optimization/78626
24993         PR rtl-optimization/78727
24994         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
24995         of a block, and split such blocks after everything else is finished.
24996
24997 2017-01-14  Alan Modra  <amodra@gmail.com>
24998
24999         PR target/72749
25000         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
25001         target legitimate_combined_insn.
25002         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
25003         (rs6000_legitimate_combined_insn): New function.
25004         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
25005         all uses.
25006         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
25007         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
25008         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
25009
25010 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
25011
25012         * doc/frontends.texi (G++ and GCC): Remove references to Java.
25013
25014 2017-01-13  Jeff Law  <law@redhat.com>
25015
25016         PR tree-optimization/33562
25017         PR tree-optimization/61912
25018         PR tree-optimization/77485
25019         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
25020         a statement.
25021         (delete_dead_assignment): Likewise.
25022         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
25023         statement to delete_dead_call and delete_dead_assignment.
25024
25025 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
25026
25027         PR c/78304
25028         * substring-locations.c (format_warning_va): Strengthen case 1 so
25029         that both endpoints of the substring must be within the format
25030         range for just the substring to be printed.
25031
25032 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
25033
25034         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
25035         * config/i386/i386.c (ix86_target_string): Add missing options
25036         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
25037         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
25038         flags_other and ix86_target_other to flags2_other.  Display unknown
25039         isa2 options.
25040         (ix86_valid_target_attribute_inner_p): Add missing options and
25041         reorder options by implied ISAs, as in ix86_target_string.
25042
25043 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25044
25045         * hash-table.h (hash_table::too_empty_p): New function.
25046         (hash_table::expand): Use it.
25047         (hash_table::traverse): Likewise.
25048         (hash_table::empty_slot): Use sizeof (value_type) instead of
25049         sizeof (PTR) to convert bytes to elements.  Shrink the table
25050         if the current size is excessive for the current number of
25051         elements.
25052
25053 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25054
25055         * ira-costs.c (record_reg_classes): Break from the inner loop
25056         early once alt_fail is known to be true.  Update outer loop
25057         handling accordingly.
25058
25059 2017-01-13  Jeff Law  <law@redhat.com>
25060
25061         * tree-ssa-dse.c (decrement_count): New function.
25062         (increment_start_addr, maybe_trim_memstar_call): Likewise.
25063         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
25064         when we know the partially dead statement is a mem* function.
25065
25066         PR tree-optimization/61912
25067         PR tree-optimization/77485
25068         * tree-ssa-dse.c: Include expr.h.
25069         (maybe_trim_constructor_store): New function.
25070         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
25071
25072         PR tree-optimization/33562
25073         PR tree-optimization/61912
25074         PR tree-optimization/77485
25075         * doc/invoke.texi: Document new dse-max-object-size param.
25076         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
25077         * tree-ssa-dse.c: Include params.h.
25078         (dse_store_status): New enum.
25079         (initialize_ao_ref_for_dse): New, partially extracted from
25080         dse_optimize_stmt.
25081         (valid_ao_ref_for_dse, normalize_ref): New.
25082         (setup_live_bytes_from_ref, compute_trims): Likewise.
25083         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
25084         (maybe_trim_partially_dead_store): Likewise.
25085         (maybe_trim_complex_store): Likewise.
25086         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
25087         Track what bytes live from the original store.  Return tri-state
25088         for dead, partially dead or live.
25089         (dse_dom_walker): Add constructor, destructor and new private members.
25090         (delete_dead_call, delete_dead_assignment): New extracted from
25091         dse_optimize_stmt.
25092         (dse_optimize_stmt): Make a member of dse_dom_walker.
25093         Use initialize_ao_ref_for_dse.
25094
25095         PR tree-optimization/33562
25096         PR tree-optimization/61912
25097         PR tree-optimization/77485
25098         * sbitmap.h (bitmap_count_bits): Prototype.
25099         (bitmap_clear_range, bitmap_set_range): Likewise.
25100         * sbitmap.c (bitmap_clear_range): New function.
25101         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
25102
25103 2017-01-13  Martin Liska  <mliska@suse.cz>
25104
25105         PR ipa/79043
25106         * function.c (set_cfun): Add new argument force.
25107         * function.h (set_cfun): Likewise.
25108         * ipa-inline-transform.c (inline_call): Use the function when
25109         strict alising from is dropped for function we inline to.
25110
25111 2017-01-13  Richard Biener  <rguenther@suse.de>
25112
25113         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
25114         for dumping GIMPLE INTEGER_CSTs.
25115
25116 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25117
25118         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
25119         to 201112L since C++17.
25120
25121 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
25122
25123         PR sanitizer/78887
25124         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
25125         if -fsanitize=kernel-address is present.
25126
25127 2017-01-13  Richard Biener  <rguenther@suse.de>
25128
25129         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
25130         as _Literal ( type ) number in case usual suffixes do not
25131         preserve all information.
25132
25133 2017-01-13  Richard Biener  <rguenther@suse.de>
25134
25135         PR tree-optimization/77283
25136         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
25137         and ssa-iterators.h.
25138         (is_feasible_trace): Implement a cost model based on joiner
25139         PHI node uses.
25140
25141 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
25142
25143         PR target/79004
25144         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
25145         char or short to __float128/_Float128 directly.
25146
25147 2017-01-12  Martin Sebor  <msebor@redhat.com>
25148
25149         to -Wformat-overflow.
25150         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
25151         (min_bytes_remaining): Same.
25152         (get_string_length): Same.
25153         (format_string): Same.
25154         (format_directive): Same.
25155         (add_bytes): Same.
25156         (pass_sprintf_length::handle_gimple_call): Same.
25157
25158 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
25159
25160         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
25161         info.nowrite calls with no lhs that can't throw.  Return bool
25162         whether gsi_remove has been called or not.
25163         (pass_sprintf_length::handle_gimple_call): Return bool whether
25164         try_substitute_return_value called gsi_remove.  Formatting fix.
25165         (pass_sprintf_length::execute): Don't use gsi_remove if
25166         handle_gimple_call returned true.
25167
25168         PR bootstrap/79069
25169         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
25170         be removed due to side-effects, don't remove following barrier nor
25171         turn the successor edge into fallthru edge.
25172
25173 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25174
25175         PR target/79044
25176         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
25177         element-reversing loads and stores as not swappable.
25178
25179 2017-01-12  Nathan Sidwell  <nathan@acm.org>
25180             Nicolai Stange  <nicstange@gmail.com>
25181
25182         * combine.c (try_combine): Don't ignore result of overlap checking
25183         loop.  Combine overlap & asm check into single loop.
25184
25185 2017-01-12  Richard Biener  <rguenther@suse.de>
25186
25187         * tree-pretty-print.c (dump_generic_node): Provide -gimple
25188         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
25189
25190 2017-01-12  Richard Biener  <rguenther@suse.de>
25191
25192         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
25193         and TS_TARGET_OPTION directly derive from TS_BASE.
25194         * tree-core.h (tree_optimization_option): Derive from tree_base.
25195         (tree_target_option): Likewise.
25196
25197 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
25198
25199         * config/i386/i386.c (memory_address_length): Increase len
25200         only when rip_relative_addr_p returns false.
25201
25202 2017-01-11  Julia Koval  <julia.koval@intel.com>
25203
25204         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
25205         (OPTION_MASK_ISA_SGX_SET): New.
25206         (ix86_handle_option): Handle OPT_msgx.
25207         * config.gcc: Added sgxintrin.h.
25208         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
25209         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
25210         * config/i386/i386.c (ix86_target_string): Add -msgx.
25211         (PTA_SGX): New.
25212         (ix86_option_override_internal): Handle new options.
25213         (ix86_valid_target_attribute_inner_p): Add sgx.
25214         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
25215         * config/i386/i386.opt: Add msgx.
25216         * config/i386/sgxintrin.h: New file.
25217         * config/i386/x86intrin.h: Add sgxintrin.h.
25218
25219 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25220
25221         PR c++/71537
25222         * fold-const.c (maybe_nonzero_address): Return 1 for function
25223         local objects.
25224         (tree_single_nonzero_warnv_p): Don't handle function local objects
25225         here.
25226
25227         PR c++/72813
25228         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
25229         of c-header.
25230
25231 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
25232
25233         PR driver/78877
25234         * opts.c: Include "spellcheck.h"
25235         (struct string_fragment): New struct.
25236         (struct edit_distance_traits<const string_fragment &>): New
25237         struct.
25238         (get_closest_sanitizer_option): New function.
25239         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
25240
25241 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25242
25243         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
25244         by 12.
25245         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
25246         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
25247         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
25248         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
25249         for initial die_offset if dwarf_split_debug_info.
25250         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
25251         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
25252         fields.
25253         (output_skeleton_debug_sections): Formatting fix.  Use
25254         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
25255         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
25256
25257 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
25258
25259         * config/arm/cortex-a53.md: Add bypasses for
25260         cortex_a53_r2f_cvt.
25261         (cortex_a53_r2f): Only use for transfers.
25262         (cortex_a53_f2r): Likewise.
25263         (cortex_a53_r2f_cvt): Add reservation for conversions.
25264         (cortex_a53_f2r_cvt): Likewise.
25265
25266 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
25267
25268         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
25269         to all inlined functions, change static to extern.
25270
25271 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
25272
25273         PR target/78253
25274         * config/arm/arm.c (legitimize_pic_address): Handle reference to
25275         weak symbol.
25276         (arm_assemble_integer): Likewise.
25277
25278 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
25279
25280         * config.gcc: Use new awk script to check CPU, FPU and architecture
25281         parameters for --with-... options.
25282         * config/arm/parsecpu.awk: New file
25283         * config/arm/arm-cpus.in: New file.
25284         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
25285         files.
25286         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
25287         files.
25288         * config/arm/t-arm: Update dependency rules.
25289         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
25290         of processing .def files.
25291         * config/arm/genopt.sh: Deleted.
25292         * config/arm/gentune.sh: Deleted.
25293         * config/arm/arm-cores.def: Deleted.
25294         * config/arm/arm-arches.def: Deleted.
25295         * config/arm/arm-fpus.def: Deleted.
25296         * config/arm/arm-tune.md: Regenerated.
25297         * config/arm/arm-tables.opt: Regenerated.
25298         * config/arm/arm-cpu.h: New generated file.
25299         * config/arm/arm-cpu-data.h: New generated file.
25300         * config/arm/arm-cpu-cdata.h: New generated file.
25301
25302 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
25303
25304         PR lto/79042
25305         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
25306         bit.
25307         (input_varpool_node): Unpack dynamically_initialized bit.
25308
25309 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
25310
25311         PR rtl-optimization/79032
25312         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
25313         the alignment of the adjusted memory reference against that of MODE,
25314         instead of the alignment of the original memory reference.
25315
25316 2017-01-11  Martin Jambor  <mjambor@suse.cz>
25317
25318         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
25319         test.
25320         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
25321         decorated functions.
25322
25323 2017-01-11  Richard Biener  <rguenther@suse.de>
25324
25325         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
25326         set range/nonnull info for PHI results.  Do not set it on
25327         stmts marked for removal.
25328
25329 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
25330
25331         * expr.c (store_field): In the bitfield case, fetch the return value
25332         from the registers before applying a single big-endian adjustment.
25333         Always do a final load for a BLKmode value not larger than a word.
25334
25335 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
25336
25337         PR c++/77949
25338         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25339         that we correctly handle column numbers greater than
25340         LINE_MAP_MAX_COLUMN_NUMBER.
25341
25342 2017-01-10  Martin Sebor  <msebor@redhat.com>
25343
25344         PR middle-end/78245
25345         * gimple-ssa-sprintf.c (get_destination_size): Call
25346         {init,fini}object_sizes.
25347         * tree-object-size.c (addr_object_size): Adjust.
25348         (pass_through_call): Adjust.
25349         (pass_object_sizes::execute): Adjust.
25350         * tree-object-size.h (fini_object_sizes): Declare.
25351
25352 2017-01-10  Martin Sebor  <msebor@redhat.com>
25353
25354         PR tree-optimization/78775
25355         * builtins.c (get_size_range): Move...
25356         * calls.c: ...to here.
25357         (alloc_max_size): Accept zero argument.
25358         (operand_signed_p): Remove.
25359         (maybe_warn_alloc_args_overflow): Call get_size_range.
25360         * calls.h (get_size_range): Declare.
25361
25362 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
25363
25364         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
25365         from TI's devices.csv file as of September 2016.
25366         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
25367
25368 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
25369
25370         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
25371         * doc/invoke.texi: Likewise.
25372         * doc/md.texi: Likewise.
25373         * doc/objc.texi: Likewise.
25374
25375 2017-01-10  Joshua Conner  <joshconner@google.com>
25376
25377         * config/arm/fuchsia-elf.h: New file.
25378         * config/fuchsia.h: New file.
25379         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
25380         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
25381         targets.
25382         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
25383
25384 2016-01-10  Richard Biener  <rguenther@suse.de>
25385
25386         PR tree-optimization/79034
25387         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
25388         Propagate out degenerate PHIs in the joiner.
25389
25390 2017-01-10  Martin Liska  <mliska@suse.cz>
25391
25392         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
25393         (sort_congruence_classes_by_decl_uid): Likewise.
25394         (sort_congruence_class_groups_by_decl_uid): Likewise.
25395         (sem_item_optimizer::merge_classes): Sort class, groups in these
25396         classes and members in the groups by DECL_UID of declarations.
25397         This would make merge operations stable.
25398
25399 2017-01-10  Martin Liska  <mliska@suse.cz>
25400
25401         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
25402         usage of m_classes_vec.
25403         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
25404         (sem_item_optimizer::get_group_by_hash): Likewise.
25405         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
25406         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
25407         (sem_item_optimizer::verify_classes): Likewise.
25408         (sem_item_optimizer::process_cong_reduction): Likewise.
25409         (sem_item_optimizer::dump_cong_classes): Likewise.
25410         (sem_item_optimizer::merge_classes): Likewise.
25411         * ipa-icf.h (congruence_class_hash): Rename from
25412         congruence_class_group_hash.  Remove declaration of m_classes_vec.
25413
25414 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
25415
25416         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
25417         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
25418         * config.gcc: Add avx512vpopcntdqintrin.h.
25419         * config/i386/avx512vpopcntdqintrin.h: New.
25420         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
25421         * config/i386/i386-builtin-types.def: Add new types.
25422         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
25423         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
25424         __builtin_ia32_vpopcountq_v8di_mask): New.
25425         * config/i386/i386-c.c (ix86_target_macros_internal): Define
25426         __AVX512VPOPCNTDQ__.
25427         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
25428         (PTA_AVX512VPOPCNTDQ): Define.
25429         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
25430         TARGET_AVX512VPOPCNTDQ_P): Define.
25431         * config/i386/i386.opt: Add mavx512vpopcntdq.
25432         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
25433         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
25434
25435 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25436
25437         PR middle-end/77484
25438         * predict.def (PRED_CALL): Set to 67.
25439
25440 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
25441
25442         * expr.c (store_field): In the bitfield case, if the value comes from
25443         a function call and is of an aggregate type returned in registers, do
25444         not modify the field mode; extract the value in all cases if the mode
25445         is BLKmode and the size is not larger than a word.
25446
25447 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
25448
25449         PR target/71017
25450         * config/i386/cpuid.h: Fix undefined behavior.
25451
25452 2017-01-04  Jeff Law  <law@redhat.com>
25453
25454         PR tree-optimization/79007
25455         PR tree-optimization/67955
25456         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
25457         conservative for pt.null when flag_non_call_exceptions is on.
25458
25459 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25460
25461         PR translation/79019
25462         PR translation/79020
25463         * params.def (PARAM_INLINE_MIN_SPEEDUP,
25464         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
25465         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
25466         in descriptions.
25467         * config/avr/avr.opt (maccumulate-args): Likewise.
25468         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
25469         * common.opt (freport-bug): Likewise.
25470         * cif-code.def (CIF_FINAL_ERROR): Likewise.
25471         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
25472         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
25473         translatable string.
25474         * config/i386/i386.c (function_value_32): Likewise.
25475         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
25476         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
25477         Likewise.
25478         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
25479         * common/config/msp430/msp430-common.c (msp430_handle_option):
25480         Likewise.
25481         * symtab.c (symtab_node::verify_base): Likewise.
25482         * opts.c (set_debug_level): Likewise.
25483         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
25484         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
25485         missing whitespace to translatable strings.
25486         * config/avr/avr.md (bswapsi2): Fix typo in comment.
25487         * config/sh/superh.h: Likewise.
25488         * config/i386/xopintrin.h: Likewise.
25489         * config/i386/znver1.md: Likewise.
25490         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
25491         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
25492         * double-int.h (struct double_int): Likewise.
25493         * double-int.c (div_and_round_double): Likewise.
25494         * wide-int.cc: Likewise.
25495         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
25496         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
25497         * cfgcleanup.c (crossjumps_occured): Renamed to ...
25498         (crossjumps_occurred): ... this.
25499         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
25500         Adjust all uses.
25501
25502         PR tree-optimization/78899
25503         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
25504         returning bool return struct loop *, NULL for failure and the new
25505         loop on success.
25506         (versionable_outer_loop_p): Don't version outer loop if it has
25507         dont_vectorized bit set.
25508         (tree_if_conversion): When versioning outer loop, ensure
25509         tree_if_conversion is performed also on the inner loop of the
25510         non-vectorizable outer loop copy.
25511         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
25512         LOOP_VECTORIZED in inner loop of the scalar outer loop and
25513         prevent vectorization of it.
25514         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
25515         the outer loop vectorization of the non-scalar version is attempted
25516         before vectorization of the inner loop in scalar version.  If
25517         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
25518         vectorization of its inner loop.
25519         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
25520         has 2 inner loops, rename also on edges from bb whose single pred
25521         is outer_loop->header.  Fix typo in function comment.
25522
25523 2017-01-09  Martin Sebor  <msebor@redhat.com>
25524
25525         PR bootstrap/79033
25526         * asan.c (asan_emit_stack_protection): Increase local buffer size
25527         to avoid snprintf truncation warning.
25528
25529 2017-01-09  Andrew Pinski  <apinski@cavium.com>
25530
25531         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
25532         to reference thunderx2t99 for the tuning structure
25533         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
25534         Rename to ...
25535         (thunderx2t99_extra_costs): This.
25536         * config/aarch64/aarch64-tune.md: Regenerate.
25537         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
25538         (vulcan_addrcost_table): This.
25539         (vulcan_regmove_cost): Rename to ...
25540         (thunderx2t99_regmove_cost): This.
25541         (vulcan_vector_cost): Rename to ...
25542         (thunderx2t99_vector_cost): this.
25543         (vulcan_branch_cost): Rename to ...
25544         (thunderx2t99_branch_cost): This.
25545         (vulcan_tunings): Rename to ...
25546         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
25547         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
25548
25549 2017-01-09  Martin Jambor  <mjambor@suse.cz>
25550
25551         PR ipa/78365
25552         PR ipa/78599
25553         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
25554         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
25555         (propagate_vr_accross_jump_function): Use the above function for all
25556         value range computations for pass-through jump functions and type
25557         converasion from explicit value range values.
25558         (ipcp_propagate_stage): Do not attempt to deduce types of formal
25559         parameters from TYPE_ARG_TYPES.
25560         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
25561         (ipa_write_node_info): Stream type of the actual argument.
25562         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
25563
25564 2017-01-09  Martin Liska  <mliska@suse.cz>
25565
25566         PR pch/78970
25567         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
25568         (lookup_compiler): Do not show error message with have_E.
25569
25570 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25571
25572         PR tree-optimization/78938
25573         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
25574         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
25575         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
25576         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
25577         fixes.
25578
25579 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25580
25581         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
25582         is const0_rtx.
25583
25584 2017-01-09  Richard Biener  <rguenther@suse.de>
25585
25586         PR tree-optimization/78997
25587         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
25588         name condition properly.
25589
25590 2017-01-09  Richard Biener  <rguenther@suse.de>
25591
25592         PR debug/79000
25593         * dwarf2out.c (is_cxx): New overload with context.
25594         (is_naming_typedef_decl): Use it.
25595
25596 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25597
25598         * invoke.texi (Option Summary): Correct spacing in option lists
25599         and add line breaks to fix over-long lines.
25600
25601 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25602
25603         PR middle-end/17660
25604
25605         * extend.texi (Common Variable Attributes): Add xref to GCC
25606         Internals manual to explain mode attribute keywords.
25607
25608 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25609
25610         PR other/16519
25611         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
25612         and Preprocessor Options.
25613         (Options for Linking): Document -pthread here....
25614         (RS/6000 and PowerPC Options): ...not here.
25615         (Solaris 2 Options): ...or here.
25616         * doc/cppopts.texi: Document -pthread.
25617
25618 2017-01-08  Martin Sebor  <msebor@redhat.com>
25619
25620         PR middle-end/77708
25621         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
25622         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
25623         New member functions.
25624         (format_directive): Used them.
25625         (add_bytes): Same.
25626         (pass_sprintf_length::handle_gimple_call): Same.
25627         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
25628         to avoid truncation for any argument.
25629         (extract_affine_mul): Same.
25630         * tree.c (get_file_function_name): Same.
25631
25632 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25633
25634         PR middle-end/77484
25635         * predict.def (PRED_INDIR_CALL): Set to 86.
25636
25637 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25638
25639         PR preprocessor/54124
25640         * doc/cppopts.texi: Reformat -d subtable to list the full name
25641         of the options.  Add cross-reference to the docs for the general
25642         compiler -d options.
25643         * doc/invoke.texi (Developer Options): Add cross-reference to the
25644         preprocessor-specific -d option documentation.
25645
25646 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25647
25648         PR preprocessor/13498
25649         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
25650         redudant material, and reflect new command-line options.
25651         (System Headers): Likewise.
25652
25653 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25654
25655         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
25656         -isystem, and -idirafter.  Copy-edit.
25657         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
25658         default for -ftrack-macro-expansion.  Delete obsolete and
25659         badly-formatted implementation details about -fdebug-cpp output.
25660         * doc/cppwarnopts.texi: Copy-edit.
25661
25662 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
25663
25664         PR c++/72803
25665         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25666         that the transition from a max line width >= 1<<10 to narrower
25667         lines works correctly.
25668
25669 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
25670
25671         * doc/options.texi (PerFunction): New.
25672         * opt-functions.awk (switch_flags): Map both Optimization and
25673         PerFunction to CL_OPTIMIZATION.
25674         * opth-gen.awk: Test for PerFunction flag along with
25675         Optimization.
25676         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
25677         it only when the latter is present.  Skip those that don't in
25678         the hash function generator.
25679         * common.opt (fvar-tracking): Mark as PerFunction instead of
25680         Optimization.
25681         (fvar-tracking-assignments): Likewise.
25682         (fvar-tracking-assignments-toggle): Likewise.
25683         (fvar-tracking-uninit): Likewise.
25684
25685 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
25686
25687         PR translation/79018
25688         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
25689         the and store.
25690
25691 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
25692
25693         PR target/57583
25694         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
25695         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
25696         TARGET_LONG_JUMP_TABLE_OFFSETS.
25697         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
25698         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
25699         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
25700         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
25701         * config/m68k/m68k.md (tablejump expander): Likewise.
25702         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
25703         TARGET_LONG_JUMP_TABLE_OFFSETS.
25704         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
25705         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
25706
25707 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
25708             David Holsgrove <david.holsgrove@xilinx.com>
25709
25710         * common/config/microblaze/microblaze-common.c
25711         (TARGET_EXCEPT_UNWIND_INFO): Remove.
25712         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
25713         New prototype.
25714         * config/microblaze/microblaze.c (microblaze_must_save_register)
25715         (microblaze_expand_epilogue, microblaze_return_addr): Handle
25716         calls_eh_return.
25717         (microblaze_eh_return): New function.
25718         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
25719         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
25720         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
25721         * config/microblaze/microblaze.md (eh_return): New pattern.
25722
25723 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
25724
25725         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
25726         GCC_DIAGNOSTIC_STRINGIFY): Define.
25727
25728         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
25729
25730 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25731
25732         * config/arm/arm.md (<mcrr>): New.
25733         (<mrrc>): New.
25734         * config/arm/arm.c (arm_arch5te): New.
25735         (arm_option_override): Set arm_arch5te.
25736         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
25737         and mrrc2.
25738         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
25739         (arm_mcrr_qualifiers): ... this. New.
25740         (MRRC_QUALIFIERS): Define to...
25741         (arm_mrrc_qualifiers): ... this. New.
25742         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
25743         __arm_mrrc2): New.
25744         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
25745         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
25746         (MRRCI, mrrc, MRRC): New.
25747         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
25748         VUNSPEC_MRRC2): New.
25749
25750 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25751
25752         * config/arm/arm.md (<mcr>): New.
25753         (<mrc>): New.
25754         * config/arm/arm.c (arm_coproc_builtin_available): Add
25755         support for mcr, mrc, mcr2 and mrc2.
25756         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
25757         (arm_mcr_qualifiers): ... this. New.
25758         (MRC_QUALIFIERS): Define to ...
25759         (arm_mrc_qualifiers): ... this. New.
25760         (MCR_QUALIFIERS): Define to ...
25761         (arm_mcr_qualifiers): ... this. New.
25762         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
25763         __arm_mrc2): New.
25764         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
25765         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
25766         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
25767         VUNSPEC_MRC2): New.
25768
25769 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25770
25771         * config/arm/arm.md (*ldc): New.
25772         (*stc): New.
25773         (<ldc>): New.
25774         (<stc>): New.
25775         * config/arm/arm.c (arm_coproc_builtin_available): Add
25776         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
25777         (arm_coproc_ldc_stc_legitimate_address): New.
25778         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
25779         'qualifier_const_pointer'.
25780         (LDC_QUALIFIERS): Define to...
25781         (arm_ldc_qualifiers): ... this. New.
25782         (STC_QUALIFIERS): Define to...
25783         (arm_stc_qualifiers): ... this. New.
25784         * config/arm/arm-protos.h
25785         (arm_coproc_ldc_stc_legitimate_address): New.
25786         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
25787         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
25788         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
25789         stc2, stcl, stc2l): New.
25790         * config/arm/constraints.md (Uz): New.
25791         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
25792         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
25793         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
25794         VUNSPEC_STC2L): New.
25795
25796 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25797
25798         * config/arm/arm.md (<cdp>): New.
25799         * config/arm/arm.c (neon_const_bounds): Rename this ...
25800         (arm_const_bounds): ... this.
25801         (arm_coproc_builtin_available): New.
25802         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
25803         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
25804         (CDP_QUALIFIERS): Define to...
25805         (arm_cdp_qualifiers): ... this. New.
25806         (void_UP): Define.
25807         (arm_expand_builtin_args): Add case for 6 arguments.
25808         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
25809         (arm_const_bounds): ... this.
25810         (arm_coproc_builtin_available): New.
25811         * config/arm/arm_acle.h (__arm_cdp): New.
25812         (__arm_cdp2): New.
25813         * config/arm/arm_acle_builtins.def (cdp): New.
25814         (cdp2): New.
25815         * config/arm/iterators.md (CDPI,CDP,cdp): New.
25816         * config/arm/neon.md: Rename all 'neon_const_bounds' to
25817         'arm_const_bounds'.
25818         * config/arm/types.md (coproc): New.
25819         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
25820         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
25821         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
25822         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
25823
25824 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25825
25826         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
25827         (UBINOP_QUALIFIERS): New.
25828         (si_UP): Define.
25829         (acle_builtin_data): New. Change comment.
25830         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
25831         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
25832         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
25833         arm_acle_builtins.def.
25834         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
25835         (arm_init_acle_builtins): New.
25836         (CRC32_BUILTIN): Remove.
25837         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
25838         crc32cb, crc32ch and crc32cw.
25839         (arm_init_crc32_builtins): Remove.
25840         (arm_init_builtins): Use arm_init_acle_builtins rather
25841         than arm_init_crc32_builtins.
25842         (arm_expand_acle_builtin): New.
25843         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
25844         * config/arm/arm_acle_builtins.def: New.
25845
25846 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25847
25848         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
25849         (arm_builtin_datum): ... this.
25850         (arm_init_neon_builtin): Rename to ...
25851         (arm_init_builtin): ... this. Add a new parameters PREFIX
25852         and USE_SIG_IN_NAME.
25853         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
25854         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
25855         'arm_builtin_datum'.
25856         (arm_init_vfp_builtins): Likewise.
25857         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
25858         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
25859         (arm_expand_neon_args): Rename to ...
25860         (arm_expand_builtin_args): ... this. Rename builtin_arg
25861         enum values and differentiate between ARG_BUILTIN_MEMORY
25862         and ARG_BUILTIN_NEON_MEMORY.
25863         (arm_expand_neon_builtin_1): Rename to ...
25864         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
25865         values, arm_expand_builtin_args and add bool parameter NEON.
25866         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
25867         (arm_expand_vfp_builtin): Likewise.
25868         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
25869
25870 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25871
25872         PR middle-end/77484
25873         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
25874         * predict.c (tree_estimate_probability_bb): Reverse direction of
25875         polymorphic call predictor.
25876
25877 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
25878
25879         * passes.c (execute_one_pass): Split out pass-skipping logic into...
25880         (determine_pass_name_match): ...this new function and...
25881         (should_skip_pass_p): ...this new function.
25882
25883 2017-01-06  Nathan Sidwell  <nathan@acm.org>
25884
25885         * ipa-visibility.c (function_and_variable_visibility): Reformat
25886         comments and long lines.  Remove extrneous if.
25887         * symtab.c (symtab_node::make_decl_local): Fix code format.
25888         (symtab_node::set_section_for_node): Fix comment typo.
25889
25890 2017-01-06  Martin Liska  <mliska@suse.cz>
25891
25892         PR bootstrap/79003
25893         * lra-constraints.c: Rename invariant to lra_invariant.
25894         * predict.c (set_even_probabilities): Initialize e to NULL.
25895
25896 2017-01-05  Martin Sebor  <msebor@redhat.com>
25897
25898         PR tree-optimization/78910
25899         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
25900         (format_integer): Correct off-by-one error in the handling
25901         of precision with negative numbers in signed conversions..
25902
25903 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
25904
25905         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
25906
25907 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25908
25909         PR tree-optimization/71016
25910         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
25911         factor_out_conditional_conversion.  Formatting fix.
25912         (factor_out_conditional_conversion): Add cond_stmt argument.
25913         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
25914         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
25915         Formatting fix.
25916
25917 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
25918
25919         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
25920         read-rtl-function.o, and selftest-rtl.o.
25921         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
25922         (selftest::aarch64_test_loading_full_dump): New function.
25923         (selftest::aarch64_run_selftests): New function.
25924         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
25925         selftest::aarch64_run_selftests.
25926         * config/i386/i386.c
25927         (selftest::ix86_test_loading_dump_fragment_1): New function.
25928         (selftest::ix86_test_loading_call_insn): New function.
25929         (selftest::ix86_test_loading_full_dump): New function.
25930         (selftest::ix86_test_loading_unspec): New function.
25931         (selftest::ix86_run_selftests): Call the new functions.
25932         * emit-rtl.c (maybe_set_max_label_num): New function.
25933         * emit-rtl.h (maybe_set_max_label_num): New decl.
25934         * function.c (instantiate_decls): Guard call to
25935         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
25936         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
25937         "static".
25938         * gensupport.c (gen_reader::gen_reader): Pass "false"
25939         for new "compact" param of rtx_reader.
25940         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
25941         rather than an empty string for NULL strings.
25942         * read-md.c: Potentially include config.h rather than bconfig.h.
25943         Wrap include of errors.h with #ifdef GENERATOR_FILE.
25944         (have_error): New global, copied from errors.c.
25945         (md_reader::read_name): Rename to...
25946         (md_reader::read_name_1): ...this, adding "out_loc" param,
25947         and converting "missing name or number" to returning false, rather
25948         than failing.
25949         (md_reader::read_name): Reimplement in terms of read_name_1.
25950         (md_reader::read_name_or_nil): New function.
25951         (md_reader::read_string): Handle "(nil)" by returning NULL.
25952         (md_reader::md_reader): Add new param "compact".
25953         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
25954         (md_reader::read_file): New method.
25955         * read-md.h (md_reader::md_reader): Add new param "compact".
25956         (md_reader::read_file): New method.
25957         (md_reader::is_compact): New accessor.
25958         (md_reader::read_name): Convert return type from void to file_location.
25959         (md_reader::read_name_or_nil): New decl.
25960         (md_reader::read_name_1): New decl.
25961         (md_reader::m_compact): New field.
25962         (noop_reader::noop_reader): Pass "false" for new "compact" param
25963         of rtx_reader.
25964         (rtx_reader::rtx_reader): Add new "compact" param.
25965         (rtx_reader::read_rtx_operand): Make virtual and convert return
25966         type from void to rtx.
25967         (rtx_reader::read_until): New decl.
25968         (rtx_reader::handle_any_trailing_information): New virtual function.
25969         (rtx_reader::postprocess): New virtual function.
25970         (rtx_reader::finalize_string): New virtual function.
25971         (rtx_reader::m_in_call_function_usage): New field.
25972         (rtx_reader::m_reuse_rtx_by_id): New field.
25973         * read-rtl-function.c: New file.
25974         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
25975         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
25976         (selftest::verify_three_block_rtl_cfg): New decl.
25977         * read-rtl-function.h: New file.
25978         * read-rtl.c: Potentially include config.h rather than bconfig.h.
25979         For host, include function.h, memmodel.h, and emit-rtl.h.
25980         (one_time_initialization): New function.
25981         (struct compact_insn_name): New struct.
25982         (compact_insn_names): New array.
25983         (find_code): Handle insn codes in compact dumps.
25984         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
25985         (bind_subst_iter_and_attr): Likewise.
25986         (add_condition_to_string): Likewise.
25987         (add_condition_to_rtx): Likewise.
25988         (apply_attribute_uses): Likewise.
25989         (add_current_iterators): Likewise.
25990         (apply_iterators): Likewise.
25991         (initialize_iterators): Guard usage of apply_subst_iterator with
25992         #ifdef GENERATOR_FILE.
25993         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
25994         (md_reader::read_mapping): Likewise.
25995         (add_define_attr_for_define_subst): Likewise.
25996         (add_define_subst_attr): Likewise.
25997         (read_subst_mapping): Likewise.
25998         (check_code_iterator): Likewise.
25999         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
26000         logic to...
26001         (one_time_initialization): New function.
26002         (rtx_reader::read_until): New method.
26003         (read_flags): New function.
26004         (parse_reg_note_name): New function.
26005         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
26006         Handle reuse_rtx ids.
26007         Wrap iterator lookup within #ifdef GENERATOR_FILE.
26008         Add parsing support for RTL dumps, mirroring the special-cases in
26009         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
26010         values, and calling handle_any_trailing_information.
26011         (rtx_reader::read_rtx_operand): Convert return type from void
26012         to rtx, returning return_rtx.  Handle case 'e'.  Call
26013         finalize_string on XSTR and XTMPL fields.
26014         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
26015          "(nil)" values were omitted.  Call the postprocess vfunc on the
26016         return_rtx.
26017         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
26018         class ctor.  Initialize m_in_call_function_usage.  Call
26019         one_time_initialization.
26020         * rtl-tests.c (selftest::test_uncond_jump): Call
26021         set_new_first_and_last_insn.
26022         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
26023         * selftest-rtl.c: New file.
26024         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
26025         (selftest::get_insn_by_uid): New decl.
26026         * selftest-run-tests.c (selftest::run_tests): Call
26027         read_rtl_function_c_tests.
26028         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
26029         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
26030         dumps.
26031
26032 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
26033
26034         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
26035         operands in a special way.  Assert that pos+len <= mode precision.
26036
26037 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
26038
26039         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
26040         3 argument Alias with unlimited for the negative form.
26041         (fno-vect-cost-model): Removed.
26042
26043 2017-01-05  Martin Liska  <mliska@suse.cz>
26044
26045         * hsa-gen.c (gen_hsa_divmod): New function.
26046         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
26047
26048 2017-01-05  Martin Liska  <mliska@suse.cz>
26049
26050         PR pch/78970
26051         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
26052         header.
26053
26054 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26055
26056         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
26057         small constant length operands.
26058
26059 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26060
26061         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
26062         between loop iterations.
26063
26064 2017-01-05  Martin Liska  <mliska@suse.cz>
26065
26066         PR sanitizer/78815
26067         * gimplify.c (gimplify_decl_expr): Compare to
26068         asan_poisoned_variables instread of checking flags.
26069         (gimplify_target_expr): Likewise.
26070         (gimplify_expr): Likewise.
26071         (gimplify_function_tree): Conditionally initialize
26072         asan_poisoned_variables.
26073
26074 2017-01-04  Jeff Law  <law@redhat.com>
26075
26076         PR tree-optimizatin/78812
26077         * rtl.h (contains_mem_rtx_p): Prototype.
26078         * ifcvt.c (containts_mem_rtx_p): Move from here to...
26079         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
26080         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
26081         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
26082         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
26083
26084 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26085
26086         * input.c (assert_char_at_range): Default-initialize actual_range.
26087
26088 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26089
26090         * df-scan.c (df_ref_create_structure): Make regno unsigned,
26091         to match the caller.
26092
26093 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26094
26095         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
26096         insns after final jump in test to emit dummy move.
26097
26098 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26099
26100         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
26101         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
26102
26103 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26104
26105         * multiple_target.c (create_dispatcher_calls): Init e_next.
26106         * tree-ssa-loop-split.c (split_loop): Init border.
26107         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
26108         scalar_type.
26109
26110 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
26111
26112         PR target/71977
26113         PR target/70568
26114         PR target/78823
26115         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
26116         (altivec_register_operand): Do not return true if the operand
26117         contains a SUBREG mixing SImode and SFmode.
26118         (vsx_register_operand): Likewise.
26119         (vsx_reg_sfsubreg_ok): New predicate.
26120         (vfloat_operand): Do not return true if the operand contains a
26121         SUBREG mixing SImode and SFmode.
26122         (vint_operand): Likewise.
26123         (vlogical_operand): Likewise.
26124         (gpc_reg_operand): Likewise.
26125         (int_reg_operand): Likewise.
26126         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
26127         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
26128         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
26129         SImode and SFmode.
26130         (rs6000_emit_move_si_sf_subreg): New helper function.
26131         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
26132         fixup SUBREGs involving SImode and SFmode.
26133         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
26134         numbers for the new peephole2 optimization.
26135         (peephole2 for SFmode unions): New peephole2 to optimize cases in
26136         the GLIBC math library that do AND/IOR/XOR operations on single
26137         precision floating point.
26138         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
26139         target macros to say whether we need to avoid SUBREGs mixing
26140         SImode and SFmode.
26141         (TARGET_ALLOW_SF_SUBREG): Likewise.
26142         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
26143         (UNSPEC_SI_FROM_SF): Likewise.
26144         (iorxor): Change spacing.
26145         (and_ior_xor): New iterator for AND, IOR, and XOR.
26146         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
26147         (movdi_from_sf_zero_ext): Likewise.
26148         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
26149         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
26150         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
26151         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
26152         (fms<mode>4): Likewise.
26153         (fnma<mode>4): Likewise.
26154         (fnms<mode>4): Likewise.
26155         (nfma<mode>4): Likewise.
26156         (nfms<mode>4): Likewise.
26157
26158 2017-01-04  Marek Polacek  <polacek@redhat.com>
26159
26160         PR c++/64767
26161         * doc/invoke.texi: Document -Wpointer-compare.
26162
26163 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26164
26165         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
26166         RejectNegative.
26167
26168         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
26169         descriptions for -gdwarf-5 and emit them as uleb128 instead of
26170         2-byte data.
26171
26172 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
26173
26174         PR target/78056
26175         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
26176         documentation of the powerpc_popcntb_ok attribute.
26177         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
26178         code to issue warning messages if a requested CPU configuration is
26179         not supported by the binary (assembler and loader) toolchain.
26180         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
26181         made to define a built-in function that has been disabled.
26182         (paired_init_builtins): Add assertion to prevent ICE if attempt is
26183         made to define a built-in function that has been disabled.
26184         (altivec_init_builtins): Add comment explaining why definition
26185         of the DST built-in functions is not preceded by an assertion
26186         check.  Add assertions to prevent ICE if attempts are made to
26187         define an altivec predicate or an abs* built-in function that has
26188         been disabled.
26189         (htm_init_builtins): Add comment explaining why definition of the
26190         htm built-in functions is not preceded by an assertion check.
26191
26192 2017-01-04  Jeff Law  <law@redhat.com>
26193
26194         PR tree-optimizatin/67955
26195         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
26196         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
26197         the points-to solution does not include pt_null.  Use DECL_PT_UID
26198         unconditionally.
26199
26200 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
26201
26202         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
26203         Use gen_int_mode instead of gen_lopwart for const_int operands.
26204
26205 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26206
26207         PR tree-optimization/71563
26208         * match.pd: Simplify X << Y into X if Y is known to be 0 or
26209         out of range value - has low bits known to be zero.
26210
26211 2017-01-04  Alan Modra  <amodra@gmail.com>
26212
26213         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
26214         * configure: Regenerate.
26215         * config.in: Regenerate.
26216
26217 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26218
26219         PR bootstrap/77569
26220         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
26221         a substring of the message, but strcmp with the whole message.  Ifdef
26222         ENABLE_NLS, translate the message first using dgettext.
26223
26224 2017-01-03  Jeff Law  <law@redhat.com>
26225
26226         PR tree-optimizatin/78856
26227         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
26228         (mark_threaded_blocks): Remove code to truncate thread paths that
26229         cross multiple loop headers.  Instead invalidate the cached loop
26230         iteration information and handle case of a thread path walking
26231         into an irreducible region.
26232
26233 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
26234
26235         PR target/78900
26236         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
26237         assertions.  Add support for doing the signbit if the IEEE 128-bit
26238         floating point value is in a GPR.
26239         * config/rs6000/rs6000.md (Fsignbit): Delete.
26240         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
26241         Update the length attribute if the value is in a GPR.
26242         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
26243         the sign or zero extension instruction, since the value is always 0/1.
26244         (signbit<mode>2_dm2): Delete using <Fsignbit>.
26245
26246         PR target/78953
26247         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
26248         extracting SImode to a GPR register so that we can generate a
26249         store, limit the vector to be in a traditional Altivec register
26250         for the vextuwrx instruction.
26251
26252 2017-01-03  Ian Lance Taylor  <iant@google.com>
26253
26254         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
26255
26256 2017-01-03  Martin Sebor  <msebor@redhat.com>
26257
26258         PR tree-optimization/78696
26259         * gimple-ssa-sprintf.c (format_floating): Correct handling of
26260         precision.  Use MPFR for %f for greater fidelity.  Correct handling
26261         of %g.
26262         (pass_sprintf_length::compute_format_length): Set width and precision
26263         specified by asrerisk to void_node for vararg functions.
26264         (try_substitute_return_value): Adjust dump output.
26265
26266 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
26267
26268         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
26269
26270 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
26271
26272         * doc/invoke.texi (SPARC options): Document -mlra as the default.
26273         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
26274         -mlra/-mno-lra was passed to the compiler.
26275
26276 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
26277
26278         PR rtl-optimization/65618
26279         * emit-rtl.c (try_split): Move initialization of "before" and
26280         "after" to just before the call to emit_insn_after_setloc.
26281
26282 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
26283
26284         * doc/md.texi (Standard Names): Remove reference to Java frontend.
26285
26286 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
26287
26288         * dwarf2out.c (gen_enumeration_type_die): When
26289         -gno-strict-dwarf, add a DW_AT_encoding attribute.
26290
26291 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
26292
26293         PR tree-optimization/78965
26294         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
26295         Change first argument from const call_info & to call_info &.  For %n
26296         set info.nowrite to false.
26297
26298         PR middle-end/78901
26299         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
26300         possibly throwing calls.
26301
26302         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
26303         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
26304         and fns handling, rather than in a separate case SSA_NAME.
26305
26306 2017-01-02  Jeff Law  <law@redhat.com>
26307
26308         * config/darwin-driver.c (darwin_driver_init): Const-correctness
26309         fixes for first_period and second_period variables.
26310
26311 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
26312
26313         PR target/78967
26314         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
26315         (*insvqi_1): New insn pattern.
26316         (*insvqi_1_mem_rex64): Ditto.
26317         (*insvqi_2): Ditto.
26318         (*insvqi_3): Rename from *insvqi.
26319
26320         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
26321
26322 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
26323
26324         * doc/cfg.texi (Edges): Remove reference to Java.
26325         (Maintaining the CFG): Ditto.
26326
26327 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26328
26329         PR middle-end/77674
26330         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
26331         transparent aliases.
26332
26333 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26334
26335         PR middle-end/77484
26336         * predict.def (PRED_CALL): Update hitrate.
26337         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
26338         * predict.c (tree_estimate_probability_bb): Split CALL predictor
26339         into direct/indirect/polymorphic variants.
26340
26341 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
26342
26343         Update copyright years.
26344
26345         * gcc.c (process_command): Update copyright notice dates.
26346         * gcov-dump.c (print_version): Ditto.
26347         * gcov.c (print_version): Ditto.
26348         * gcov-tool.c (print_version): Ditto.
26349         * gengtype.c (create_file): Ditto.
26350         * doc/cpp.texi: Bump @copying's copyright year.
26351         * doc/cppinternals.texi: Ditto.
26352         * doc/gcc.texi: Ditto.
26353         * doc/gccint.texi: Ditto.
26354         * doc/gcov.texi: Ditto.
26355         * doc/install.texi: Ditto.
26356         * doc/invoke.texi: Ditto.
26357 \f
26358 Copyright (C) 2017 Free Software Foundation, Inc.
26359
26360 Copying and distribution of this file, with or without modification,
26361 are permitted in any medium without royalty provided the copyright
26362 notice and this notice are preserved.