gcc/ChangeLog

   1 2017-09-13  Richard Biener  <rguenther@suse.de>
   2
   3         * tree-cfg.c (verify_gimple_assign_binary): Add verification
   4         for WIDEN_SUM_EXPR, VEC_WIDEN_MULT_{HI,LO,EVEN,ODD}_EXPR,
   5         VEC_PACK_{TRUNC,SAT,FIX_TRUNC}_EXPR.
   6         (verify_gimple_assign_ternary): Add verification for DOT_PROD_EXPR.
   7
   8 2017-09-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
   9
  10         * config/aarch64/aarch64.c (aarch64_override_options_after_change_1):
  11         Disable pc relative literal load irrespective of
  12         TARGET_FIX_ERR_A53_84341 for default.
  13
  14 2017-09-12  Eric Botcazou  <ebotcazou@adacore.com>
  15
  16         * config/sparc/sparc.c (output_return): Output the source location of
  17         the insn in the delay slot, if any.
  18         (output_sibcall): Likewise.
  19
  20 2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>
  21
  22         PR driver/81498
  23         * common.opt (-static-pie): New alias.
  24         (shared): Negate static-pie.
  25         (-no-pie): Update help text.
  26         (-pie): Likewise.
  27         (static-pie): New option.
  28         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add
  29         -static-pie support.
  30         (GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
  31         (LINK_EH_SPEC): Likewise.
  32         (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
  33         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
  34         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
  35         * gcc.c (LINK_COMMAND_SPEC): Likewise.
  36         (init_gcc_specs): Likewise.
  37         (init_spec): Likewise.
  38         (display_help): Update help message for -pie.
  39         * doc/invoke.texi: Update -pie, -no-pie and -static.  Document
  40         -static-pie.
  41
  42 2017-09-12  Wilco Dijkstra  <wdijkstr@arm.com>
  43
  44         * config/aarch64/aarch64.md (movsi_aarch64): Remove all '*'.
  45         (movdi_aarch64): Likewise.
  46         (movti_aarch64): Likewise.
  47
  48 2017-09-12 Simon Wright <simon@pushface.org>
  49
  50         PR target/80204
  51         * config/darwin-driver.c (darwin_find_version_from_kernel): Eliminate
  52         calculation of the minor version, always output as 0.
  53
  54 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
  55
  56         PR target/82112
  57         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
  58         ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion
  59         on it early, rather than manual conversion late.  For
  60         ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion
  61         instead of performing manual conversion.
  62
  63 2017-09-12  Carl Love  <cel@us.ibm.com>
  64
  65         * config/rs6000/altivec.md (vec_widen_umult_even_v4si,
  66         vec_widen_smult_even_v4si): Add define expands for vmuleuw, vmulesw,
  67         vmulouw, vmulosw.
  68         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
  69         VMULOSW): Add definitions.
  70         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
  71         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
  72         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
  73         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
  74         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
  75
  76 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
  77
  78         * config/aarch64/aarch64.md (movdi_aarch64): Set load/store
  79         types correctly.
  80         (movti_aarch64): Likewise.
  81         (movdf_aarch64): Likewise.
  82         (movtf_aarch64): Likewise.
  83         (load_pairdi): Likewise.
  84         (store_pairdi): Likewise.
  85         (load_pairdf): Likewise.
  86         (store_pairdf): Likewise.
  87         (loadwb_pair<GPI:mode>_<P:mode>): Likewise.
  88         (storewb_pair<GPI:mode>_<P:mode>): Likewise.
  89         (ldr_got_small_<mode>): Likewise.
  90         (ldr_got_small_28k_<mode>): Likewise.
  91         (ldr_got_tiny): Likewise.
  92         * config/aarch64/iterators.md (ldst_sz): New.
  93         (ldpstp_sz): Likewise.
  94         * config/aarch64/thunderx.md (thunderx_storepair): Split store_8
  95         to store_16.
  96         (thunderx_load): Split load_8 to load_16.
  97         * config/aarch64/thunderx2t99.md (thunderx2t99_loadpair): Split
  98         load_8 to load_16.
  99         (thunderx2t99_storepair_basic): Split store_8 to store_16.
 100         * config/arm/xgene1.md (xgene1_load_pair): Split load_8 to load_16.
 101         (xgene1_store_pair): Split store_8 to store_16.
 102         * config/aarch64/falkor.md (falkor_ld_3_ld): Split load_8 to load_16.
 103         (falkor_st_0_st_sd): Split store_8 to store_16.
 104
 105 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
 106
 107         * config/arm/types.md (type): Rename load1/2/3/4 to load_4/8/12/16
 108         and store1/2/3/4 to store_4/8/12/16.
 109         * config/aarch64/aarch64.md: Update for rename.
 110         * config/arm/arm.md: Likewise.: Likewise.
 111         * config/arm/arm.c: Likewise.
 112         * config/arm/thumb1.md: Likewise.
 113         * config/arm/thumb2.md: Likewise.
 114         * config/arm/vfp.md: Likewise.
 115         * config/arm/arm-generic.md: Likewise.
 116         * config/arm/arm1020e.md: Likewise.
 117         * config/arm/arm1026ejs.md: Likewise.
 118         * config/arm/arm1136jfs.md: Likewise.
 119         * config/arm/arm926ejs.md: Likewise.
 120         * config/arm/cortex-a15.md: Likewise.
 121         * config/arm/cortex-a17.md: Likewise.
 122         * config/arm/cortex-a5.md: Likewise.
 123         * config/arm/cortex-a53.md: Likewise.
 124         * config/arm/cortex-a57.md: Likewise.
 125         * config/arm/cortex-a7.md: Likewise.
 126         * config/arm/cortex-a8.md: Likewise.
 127         * config/arm/cortex-a9.md: Likewise.
 128         * config/arm/cortex-m4.md: Likewise.
 129         * config/arm/cortex-m7.md: Likewise.
 130         * config/arm/cortex-r4.md: Likewise.
 131         * config/arm/exynos-m1.md: Likewise.
 132         * config/arm/fa526.md: Likewise.
 133         * config/arm/fa606te.md: Likewise.
 134         * config/arm/fa626te.md: Likewise.
 135         * config/arm/fa726te.md: Likewise.
 136         * config/arm/fmp626.md: Likewise.
 137         * config/arm/iwmmxt.md: Likewise.
 138         * config/arm/ldmstm.md: Likewise.
 139         * config/arm/marvell-pj4.md: Likewise.
 140         * config/arm/xgene1.md: Likewise.
 141         * config/aarch64/thunderx.md: Likewise.
 142         * config/aarch64/thunderx2t99.md: Likewise.
 143         * config/aarch64/falkor.md: Likewise.
 144
 145 2017-09-12  Martin Liska  <mliska@suse.cz>
 146
 147         * attribs.c (private_lookup_attribute): New function.
 148         * attribs.h (private_lookup_attribute): Declared here.
 149         (lookup_attribute): Called from this place.
 150
 151 2017-09-12  Richard Biener  <rguenther@suse.de>
 152
 153         PR tree-optimization/82157
 154         * tree-ssa-pre.c (remove_dead_inserted_code): Do not remove
 155         stmts with side-effects.
 156
 157 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 158             Alan Hayward  <alan.hayward@arm.com>
 159             David Sherwood <david.sherwood@arm.com>
 160
 161         * target.def (hard_regno_nregs): New hook.
 162         (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
 163         * targhooks.h (default_hard_regno_nregs): Declare.
 164         * targhooks.c (default_hard_regno_nregs): New function.
 165         * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
 166         (TARGET_HARD_REGNO_NREGS): ...this hook.
 167         (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
 168         (CLASS_MAX_NREGS): Likewise.
 169         * doc/tm.texi: Regenerate.
 170         * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
 171         instead of HARD_REGNO_NREGS.
 172         * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
 173         HARD_REGNO_NREGS in the comment.
 174         * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
 175         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
 176         * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
 177         Return an unsigned int.
 178         (TARGET_HARD_REGNO_NREGS): Redefine.
 179         * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
 180         * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
 181         * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
 182         (arc_hard_regno_nregs): New function.
 183         * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
 184         * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
 185         (arm_hard_regno_nregs): New function.
 186         * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
 187         * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
 188         * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
 189         (TARGET_HARD_REGNO_NREGS): Redefine.
 190         * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
 191         * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
 192         (HARD_REGNO_NREGS): Delete.
 193         * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
 194         (cr16_hard_regno_nregs): New function.
 195         (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
 196         * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
 197         * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
 198         (cris_hard_regno_nregs): New function.
 199         * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
 200         * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
 201         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
 202         * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
 203         (CLASS_MAX_NREGS): Remove outdated copy of documentation.
 204         * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
 205         * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
 206         (frv_hard_regno_nregs): Make static.  Take and return an
 207         unsigned int.
 208         (frv_class_max_nregs): Remove outdated copy of documentation.
 209         * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
 210         * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
 211         * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
 212         * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
 213         * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
 214         * config/i386/i386.c (ix86_hard_regno_nregs): New function.
 215         (TARGET_HARD_REGNO_NREGS): Redefine.
 216         * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
 217         (CLASS_MAX_NREGS): Update comment.
 218         * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
 219         (ia64_hard_regno_nregs): New function.
 220         * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
 221         * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
 222         * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
 223         * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
 224         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
 225         an unsigned int.
 226         (m32c_hard_regno_nregs): Likewise.  Make static.
 227         (TARGET_HARD_REGNO_NREGS): Redefine.
 228         * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
 229         * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
 230         * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
 231         (m68k_hard_regno_nregs): New function.
 232         * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
 233         * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
 234         * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
 235         * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
 236         * config/mips/mips.c (mips_hard_regno_nregs): Make static.
 237         Take and return an unsigned int.
 238         (TARGET_HARD_REGNO_NREGS): Redefine.
 239         * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
 240         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
 241         * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
 242         * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
 243         * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
 244         * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
 245         * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
 246         (msp430_hard_regno_nregs): Make static.  Take and return an
 247         unsigned int.
 248         * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
 249         * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
 250         * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
 251         (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
 252         * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
 253         * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
 254         * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
 255         (TARGET_HARD_REGNO_NREGS): Redefine.
 256         * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
 257         (PA_HARD_REGNO_NREGS): ...this.
 258         * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
 259         (PA_HARD_REGNO_NREGS): ...this.
 260         * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 261         (pa_hard_regno_nregs): New function.
 262         * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
 263         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
 264         (pdp11_hard_regno_nregs): New function.
 265         * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
 266         * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
 267         (rs6000_hard_regno_nregs_hook): New function.
 268         * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
 269         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
 270         * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
 271         Take and return an unsigned int.  Move earlier in file.
 272         (TARGET_HARD_REGNO_NREGS): Redefine.
 273         * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
 274         * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
 275         * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
 276         (rl78_hard_regno_nregs): Make static.  Take and return an
 277         unsigned int.
 278         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
 279         * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
 280         (rs6000_hard_regno_nregs_hook): New function.
 281         * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
 282         * config/rx/rx.c (rx_hard_regno_nregs): New function.
 283         (TARGET_HARD_REGNO_NREGS): Redefine.
 284         * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
 285         * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
 286         instead of HARD_REGNO_NREGS.
 287         (s390_hard_regno_nregs): New function.
 288         (s390_hard_regno_mode_ok): Add comment from s390.h.
 289         (TARGET_HARD_REGNO_NREGS): Redefine.
 290         * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
 291         * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
 292         (sh_hard_regno_nregs): New function.
 293         (sh_pass_in_reg_p): Use it.
 294         * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
 295         * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
 296         (sparc_hard_regno_nregs): New function.
 297         * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
 298         * config/spu/spu.c (spu_hard_regno_nregs): New function.
 299         (spu_function_arg_advance): Use it, supplying a valid register number.
 300         (TARGET_HARD_REGNO_NREGS): Redefine.
 301         * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
 302         * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
 303         * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
 304         * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
 305         * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
 306         * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
 307         (CLASS_MAX_NREGS): Remove copy of old documentation.
 308         * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
 309         (visium_hard_regno_nregs): New function.
 310         (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
 311         * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
 312         * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 313         xtensa_hard_regno_nregs): New function.
 314         * system.h (HARD_REGNO_NREGS): Poison.
 315
 316 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 317
 318         * config/arm/arm.h (THUMB_SECONDARY_INPUT_RELOAD_CLASS): Use
 319         hard_regno_nregs instead of HARD_REGNO_NREGS.
 320         (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
 321         * config/c6x/c6x.c (c6x_expand_prologue): Likewise.
 322         (c6x_expand_epilogue): Likewise.
 323         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
 324         (frv_read_iacc_argument): Likewise.
 325         * config/sh/sh.c: Include regs.h.
 326         (sh_print_operand): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 327         (regs_used): Likewise.
 328         (output_stack_adjust): Likewise.
 329         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Likewise.
 330         * expmed.c: Include regs.h.
 331         (store_bit_field_1): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 332         * ree.c: Include regs.h.
 333         (combine_reaching_defs): Use hard_regno_nregs instead of
 334         HARD_REGNO_NREGS.
 335         (add_removable_extension): Likewise.
 336
 337 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 338
 339         * regs.h (hard_regno_nregs): Turn into a function.
 340         (end_hard_regno): Update accordingly.
 341         * caller-save.c (setup_save_areas): Likewise.
 342         (save_call_clobbered_regs): Likewise.
 343         (replace_reg_with_saved_mem): Likewise.
 344         (insert_restore): Likewise.
 345         (insert_save): Likewise.
 346         * combine.c (can_change_dest_mode): Likewise.
 347         (move_deaths): Likewise.
 348         (distribute_notes): Likewise.
 349         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
 350         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
 351         (rs6000_split_multireg_move): Likewise.
 352         (rs6000_register_move_cost): Likewise.
 353         (rs6000_memory_move_cost): Likewise.
 354         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
 355         (rs6000_split_multireg_move): Likewise.
 356         (rs6000_register_move_cost): Likewise.
 357         (rs6000_memory_move_cost): Likewise.
 358         * cselib.c (cselib_reset_table): Likewise.
 359         (cselib_lookup_1): Likewise.
 360         * emit-rtl.c (set_mode_and_regno): Likewise.
 361         * function.c (aggregate_value_p): Likewise.
 362         * ira-color.c (setup_profitable_hard_regs): Likewise.
 363         (check_hard_reg_p): Likewise.
 364         (calculate_saved_nregs): Likewise.
 365         (assign_hard_reg): Likewise.
 366         (improve_allocation): Likewise.
 367         (calculate_spill_cost): Likewise.
 368         * ira-emit.c (modify_move_list): Likewise.
 369         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
 370         (ira_hard_reg_in_set_p): Likewise.
 371         * ira.c (setup_reg_mode_hard_regset): Likewise.
 372         (clarify_prohibited_class_mode_regs): Likewise.
 373         (check_allocation): Likewise.
 374         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 375         (lra_setup_reg_renumber): Likewise.
 376         (setup_try_hard_regno_pseudos): Likewise.
 377         (spill_for): Likewise.
 378         (assign_hard_regno): Likewise.
 379         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
 380         * lra-constraints.c (in_class_p): Likewise.
 381         (lra_constraint_offset): Likewise.
 382         (simplify_operand_subreg): Likewise.
 383         (lra_constraints): Likewise.
 384         (split_reg): Likewise.
 385         (split_if_necessary): Likewise.
 386         (invariant_p): Likewise.
 387         (inherit_in_ebb): Likewise.
 388         * lra-lives.c (process_bb_lives): Likewise.
 389         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
 390         (get_hard_regs): Likewise.
 391         (do_remat): Likewise.
 392         * lra-spills.c (assign_spill_hard_regs): Likewise.
 393         * mode-switching.c (create_pre_exit): Likewise.
 394         * postreload.c (reload_combine_recognize_pattern): Likewise.
 395         * recog.c (peep2_find_free_register): Likewise.
 396         * regcprop.c (kill_value_regno): Likewise.
 397         (set_value_regno): Likewise.
 398         (copy_value): Likewise.
 399         (maybe_mode_change): Likewise.
 400         (find_oldest_value_reg): Likewise.
 401         (copyprop_hardreg_forward_1): Likewise.
 402         * regrename.c (check_new_reg_p): Likewise.
 403         (regrename_do_replace): Likewise.
 404         * reload.c (push_reload): Likewise.
 405         (combine_reloads): Likewise.
 406         (find_dummy_reload): Likewise.
 407         (operands_match_p): Likewise.
 408         (find_reloads): Likewise.
 409         (find_equiv_reg): Likewise.
 410         (reload_adjust_reg_for_mode): Likewise.
 411         * reload1.c (count_pseudo): Likewise.
 412         (count_spilled_pseudo): Likewise.
 413         (find_reg): Likewise.
 414         (clear_reload_reg_in_use): Likewise.
 415         (free_for_value_p): Likewise.
 416         (allocate_reload_reg): Likewise.
 417         (choose_reload_regs): Likewise.
 418         (reload_adjust_reg_for_temp): Likewise.
 419         (emit_reload_insns): Likewise.
 420         (delete_output_reload): Likewise.
 421         * rtlanal.c (subreg_get_info): Likewise.
 422         * sched-deps.c (sched_analyze_reg): Likewise.
 423         * sel-sched.c (init_regs_for_mode): Likewise.
 424         (mark_unavailable_hard_regs): Likewise.
 425         (choose_best_reg_1): Likewise.
 426         (verify_target_availability): Likewise.
 427         * valtrack.c (dead_debug_insert_temp): Likewise.
 428         * var-tracking.c (track_loc_p): Likewise.
 429         (emit_note_insn_var_location): Likewise.
 430         * varasm.c (make_decl_rtl): Likewise.
 431         * reginfo.c (choose_hard_reg_mode): Likewise.
 432         (init_reg_modes_target): Refer directly to
 433         this_target_regs->x_hard_regno_nregs.
 434
 435 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 436
 437         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
 438         instead of hard_regno_nregs.
 439
 440 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 441
 442         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
 443         end_hard_regno instead of hard_regno_nregs.
 444         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
 445         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
 446         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
 447         * ira-color.c (improve_allocation): Likewise.
 448         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 449         * lra-lives.c (mark_regno_live): Likewise.
 450         (mark_regno_dead): Likewise.
 451         * lra-remat.c (operand_to_remat): Likewise.
 452         * lra.c (collect_non_operand_hard_regs): Likewise.
 453         * postreload.c (reload_combine_note_store): Likewise.
 454         (move2add_valid_value_p): Likewise.
 455         * reload.c (regno_clobbered_p): Likewise.
 456
 457 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 458
 459         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
 460         hard_regno_nregs.
 461         * config/v850/v850.c (v850_reorg): Likewise.
 462         * reload.c (refers_to_regno_for_reload_p): Likewise.
 463         (find_equiv_reg): Likewise.
 464         * reload1.c (reload_reg_reaches_end_p): Likewise.
 465
 466 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 467
 468         * caller-save.c (add_used_regs): Use REG_NREGS instead of
 469         hard_regno_nregs.
 470         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
 471         * config/arm/arm.c (output_move_neon): Likewise.
 472         (arm_attr_length_move_neon): Likewise.
 473         (neon_split_vcombine): Likewise.
 474         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
 475         (c6x_mark_reg_written): Likewise.
 476         (c6x_dwarf_register_span): Likewise.
 477         * config/i386/i386.c (ix86_save_reg): Likewise.
 478         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
 479         (rws_access_reg): Likewise.
 480         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
 481         * mode-switching.c (create_pre_exit): Likewise.
 482         * ree.c (combine_reaching_defs): Likewise.
 483         (add_removable_extension): Likewise.
 484         * regcprop.c (find_oldest_value_reg): Likewise.
 485         (copyprop_hardreg_forward_1): Likewise.
 486         * reload.c (reload_inner_reg_of_subreg): Likewise.
 487         (push_reload): Likewise.
 488         (combine_reloads): Likewise.
 489         (find_dummy_reload): Likewise.
 490         (reload_adjust_reg_for_mode): Likewise.
 491         * reload1.c (find_reload_regs): Likewise.
 492         (forget_old_reloads_1): Likewise.
 493         (reload_reg_free_for_value_p): Likewise.
 494         (reload_adjust_reg_for_temp): Likewise.
 495         (emit_reload_insns): Likewise.
 496         (delete_output_reload): Likewise.
 497         * sel-sched.c (choose_best_reg_1): Likewise.
 498         (choose_best_pseudo_reg): Likewise.
 499
 500 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 501             Alan Hayward  <alan.hayward@arm.com>
 502             David Sherwood <david.sherwood@arm.com>
 503
 504         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
 505         * target.def (slow_unaligned_access): New hook.
 506         * targhooks.h (default_slow_unaligned_access): Declare.
 507         * targhooks.c (default_slow_unaligned_access): New function.
 508         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
 509         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
 510         * doc/tm.texi: Regenerate.
 511         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
 512         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
 513         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
 514         definition.
 515         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
 516         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
 517         Redefine.
 518         (rs6000_slow_unaligned_access): New function.
 519         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 520         (expand_block_compare): Likewise.
 521         (expand_strn_compare): Likewise.
 522         (rs6000_rtx_costs): Likewise.
 523         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
 524         (riscv_slow_unaligned_access): Likewise.
 525         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
 526         (riscv_slow_unaligned_access_p): ...this and make static.
 527         (riscv_option_override): Update accordingly.
 528         (riscv_slow_unaligned_access): New function.
 529         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 530         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
 531         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 532         (rs6000_slow_unaligned_access): New function.
 533         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 534         (rs6000_rtx_costs): Likewise.
 535         * config/rs6000/rs6000-string.c (expand_block_compare)
 536         (expand_strn_compare): Use targetm.slow_unaligned_access instead
 537         of SLOW_UNALIGNED_ACCESS.
 538         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
 539         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
 540         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
 541         of SLOW_UNALIGNED_ACCESS.
 542         * expmed.c (simple_mem_bitfield_p): Likewise.
 543         * expr.c (alignment_for_piecewise_move): Likewise.
 544         (emit_group_load_1): Likewise.
 545         (emit_group_store): Likewise.
 546         (copy_blkmode_from_reg): Likewise.
 547         (emit_push_insn): Likewise.
 548         (expand_assignment): Likewise.
 549         (store_field): Likewise.
 550         (expand_expr_real_1): Likewise.
 551         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
 552         * lra-constraints.c (simplify_operand_subreg): Likewise.
 553         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
 554         * gimple-ssa-store-merging.c: Likewise in block comment at start
 555         of file.
 556         * tree-ssa-strlen.c: Include target.h.
 557         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
 558         of SLOW_UNALIGNED_ACCESS.
 559         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
 560
 561 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 562
 563         PR rtl-optimization/82185
 564         * expmed.c (emit_store_flag_int): Only test tem if it has been
 565         initialized.
 566
 567 2017-09-12  Richard Biener  <rguenther@suse.de>
 568
 569         PR middle-end/82149
 570         * match.pd ((FTYPE) N CMP CST): Fix typo.
 571
 572 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
 573
 574         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
 575         attribute.
 576         (mips_near_type_p): Add 'short_call' attribute as a synonym
 577         for 'near'.
 578         * doc/extend.texi (short_call): Document new function attribute.
 579
 580 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 581
 582         PR target/82112
 583         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
 584         assertion check that in the condition.
 585         (get_atomic_generic_size): Likewise.  Before testing if parameter
 586         has pointer type, if it has array type, call for C++
 587         default_conversion to perform array-to-pointer conversion.
 588
 589 2017-09-12  Richard Biener  <rguenther@suse.de>
 590
 591         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
 592         for operations we cannot scalarize.
 593
 594 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
 595
 596         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
 597         vectors heap vectors.  Clean up comments.
 598         Make visited_bbs a reference.
 599         (profitable_jump_thread_path): Make GC
 600         vectors heap vectors.  Clean up comments.
 601         Misc cleanups.
 602         (convert_and_register_jump_thread_path): Make GC vectors heap
 603         vectors.
 604         (check_subpath_and_update_thread_path): Same.  Clean up comments.
 605         Make visited_bbs a reference.
 606         (handle_phi): Abstract common code to to
 607         register_jump_thread_path_if_profitable.
 608         Rename VAR_BB to DEF_BB.
 609         Update comments.
 610         Make GC vectors heap vectors.
 611         Make visited_bbs a reference.
 612         (handle_assignment): Same.
 613         (register_jump_thread_path_if_profitable): New.
 614         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
 615         DEF_BB.
 616         Make GC vectors heap vectors.  Clean up comments.
 617         Make visited_bbs a reference.
 618         (find_jump_threads_backwards): Make visited_bbs live in the stack.
 619         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
 620         comment.
 621
 622 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
 623
 624         PR target/82181
 625         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
 626         words of E_DImode object are reachable by xtensa_uimm8x4 access.
 627
 628 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
 629
 630         Revert r251800 and r251799.
 631
 632 2017-09-11  Martin Jambor  <mjambor@suse.cz>
 633
 634         PR hsa/82119
 635         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
 636         arguments in advance.
 637         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
 638         use it to find predecessor edges.
 639         (naive_outof_ssa): Collect vector of predecessors.
 640
 641 2017-09-08  Jason Merrill  <jason@redhat.com>
 642
 643         PR c++/70029 - ICE with ref-qualifier and -flto
 644         * langhooks.h (struct lang_hooks_for_types): Add
 645         copy_lang_qualifiers.
 646         * attribs.c (build_type_attribute_qual_variant): Use it.
 647         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
 648         NULL.
 649         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
 650         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
 651
 652 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
 653
 654         PR target/81988
 655         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
 656         (*mulsi3_sp64): New instruction.
 657         (mulsi3): New expander.
 658
 659 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
 660
 661         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
 662
 663 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 664
 665         * sancov.c: Include memmodel.h.
 666
 667 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
 668
 669         PR target/80897
 670         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
 671         large offsets.
 672
 673 2017-09-07  Carl Love  <cel@us.ibm.com>
 674
 675         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
 676         the sldi instruction.
 677
 678 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
 679
 680         * sancov.c: Include tm_p.h.
 681
 682 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
 683
 684         PR target/81979
 685         * output.h (switch_to_other_text_partition): New declaration.
 686         * varasm.c (switch_to_other_text_partition): New function.
 687         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
 688         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
 689         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
 690         to the other text partition before emitting LCL label and switch back
 691         after emitting the word after it.
 692
 693 2017-09-07  Richard Biener  <rguenther@suse.de>
 694
 695         * passes.def (pass_split_crit_edges): Remove instance before PRE.
 696         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
 697         critical edges here, after loop init.
 698         (pass_data_pre): Remove PROP_no_crit_edges flags.
 699         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
 700         for valueization of call args to avoid leaking VN_TOP.
 701         (visit_use): Assert we do not visit default defs.
 702         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
 703         Use error_mark_node to more easily detect leaking VN_TOP.
 704         All default-defs are varying, not VN_TOP.  Mark them visited.
 705         (run_scc_vn): Make code match comment.
 706
 707 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 708
 709         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
 710         OPTION_MASK_FLOAT128_KEYWORD.
 711         (POWERPC_MASKS): Likewise.
 712         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
 713         support for the -mfloat128-type option, and make -mfloat128
 714         default on PowerPC Linux systems.  Define or undefine
 715         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
 716         Define __float128 to be __ieee128 if IEEE 128-bit support is
 717         enabled, or undefine it.
 718         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
 719         Delete defining __FLOAT128_TYPE__.
 720         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
 721         -mfloat128-type option and make -mfloat128 default on PowerPC
 722         Linux systems.
 723         (TARGET_FLOAT128_TYPE): Likewise.
 724         (-mfloat128-type): Likewise.
 725         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 726         Delete the -mfloat128-type option and make -mfloat128 default on
 727         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
 728         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
 729         128-bit floating point is enabled.  Change tests from using
 730         -mfloat128-type to -mfloat128.
 731         (rs6000_mangle_type): Use the correct mangling for the __float128
 732         type even if normal long double is restricted to 64-bits.
 733         (floatn_mode): Enable the _Float128 type by default on VSX Linux
 734         systems.
 735         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
 736         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
 737         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
 738         -mfloat128-type.
 739         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
 740         documentation for -mfloat128.
 741
 742 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 743
 744         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
 745
 746 2017-09-06  Wish Wu  <wishwu007@gmail.com>
 747             Jakub Jelinek  <jakub@redhat.com>
 748
 749         * asan.c (initialize_sanitizer_builtins): Add
 750         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
 751         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
 752         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
 753         BT_FN_VOID_UINT64_PTR variables.
 754         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
 755         (BT_FN_VOID_UINT16_UINT16): Likewise.
 756         (BT_FN_VOID_UINT32_UINT32): Likewise.
 757         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
 758         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
 759         (BT_FN_VOID_UINT64_PTR): Likewise.
 760         * common.opt (flag_sanitize_coverage): New variable.
 761         (fsanitize-coverage=trace-pc): Remove.
 762         (fsanitize-coverage=): Add.
 763         * flag-types.h (enum sanitize_coverage_code): New enum.
 764         * fold-const.c (fold_range_test): Disable non-short-circuit
 765         optimization if flag_sanitize_coverage.
 766         (fold_truth_andor): Likewise.
 767         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
 768         * opts.c (COVERAGE_SANITIZER_OPT): Define.
 769         (coverage_sanitizer_opts): New array.
 770         (get_closest_sanitizer_option): Add OPTS argument, handle also
 771         OPT_fsanitize_coverage_.
 772         (parse_sanitizer_options): Adjusted to also handle
 773         OPT_fsanitize_coverage_.
 774         (common_handle_option): Add OPT_fsanitize_coverage_.
 775         * sancov.c (instrument_comparison, instrument_switch): New function.
 776         (sancov_pass): Add trace-cmp support.
 777         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
 778         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
 779         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
 780         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
 781         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
 782         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
 783         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
 784         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
 785         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
 786         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
 787
 788 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 789
 790         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
 791         error.  Only quit immediately if parsing is complete.
 792         (BEGIN): Initialize fatal_err and parse_done.
 793         (begin fpu, end fpu): Check number of arguments.
 794         (begin arch, end arch): Likewise.
 795         (begin cpu, end cpu): Likewise.
 796         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
 797         (optalias): Likewise.
 798
 799 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 800
 801         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
 802         * config/arm/arm-isa.h: Delete.  Move definitions to ...
 803         * arm-cpus.in: ... here.  Use new feature and fgroup values.
 804         * config/arm/arm.c (arm_option_override): Use lower case for feature
 805         bit names.
 806         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
 807         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
 808         * config/arm/parsecpu.awk (END): Add new command 'isa'.
 809         (isa_pfx): Delete.
 810         (print_isa_bits_for): New function.
 811         (gen_isa): New function.
 812         (gen_comm_data): Use print_isa_bits_for.
 813         (define feature): New keyword.
 814         (define fgroup): New keyword.
 815         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
 816         (arm-isa.h): Add rule to generate file.
 817         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
 818         case for feature bit names.
 819
 820 2017-09-06  Richard Biener  <rguenther@suse.de>
 821
 822         * tree-ssa-pre.c (NECESSARY): Remove.
 823         (create_expression_by_pieces): Do not touch pass-local flags.
 824         (insert_into_preds_of_block): Likewise.
 825         (do_pre_regular_insertion): Likewise.
 826         (eliminate_insert): Likewise.
 827         (eliminate_dom_walker::before_dom_children): Likewise.
 828         (fini_eliminate): Do not look at inserted_exprs.
 829         (mark_operand_necessary): Remove.
 830         (remove_dead_inserted_code): Replace with simple work-list
 831         algorithm based on inserted_exprs and SSA uses.
 832         (pass_pre::execute): Re-order fini_eliminate and
 833         remove_dead_inserted_code.
 834
 835 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 836
 837         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
 838         for VxWorks 7.  Adjust surrounding comments.
 839
 840 2017-09-06  Richard Biener  <rguenther@suse.de>
 841
 842         * gimple-ssa-strength-reduction.c
 843         (find_candidates_dom_walker::before_dom_children): Also allow
 844         pointer types.
 845
 846 2017-09-06  Richard Biener  <rguenther@suse.de>
 847
 848         PR tree-optimization/82108
 849         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
 850         for gap in the non-permutation SLP case.
 851
 852 2017-09-06  Martin Jambor  <mjambor@suse.cz>
 853
 854         PR tree-optimization/82078
 855         * tree-sra.c (sort_and_splice_var_accesses): Move call to
 856         add_access_to_work_queue...
 857         (build_accesses_from_assign): ...here.
 858         (propagate_all_subaccesses): Make sure racc is the group
 859         representative, if there is one.
 860
 861 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
 862
 863         PR middle-end/82095
 864         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
 865         NULL DECL_INITIAL.
 866
 867 2017-09-06  Richard Biener  <rguenther@suse.de>
 868
 869         * gimple-ssa-strength-reduction.c
 870         (find_candidates_dom_walker::before_doom_children): Use a
 871         type and not a mode check.
 872
 873 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 874
 875         PR target/77308
 876         * config/arm/predicates.md (arm_general_adddi_operand): Create new
 877         non-vfp predicate.
 878         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
 879
 880 2017-09-05  Jeff Law  <law@redhat.com>
 881
 882         PR tree-optimization/64910
 883         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
 884         cases where we have 3 or more operands.
 885
 886 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
 887
 888         PR middle-end/81768
 889         * omp-low.c (lower_omp_for): Recompute tree invariant if
 890         gimple_omp_for_initial/final is ADDR_EXPR.
 891
 892         PR middle-end/81768
 893         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
 894         into gimple val before gimplification fo the COND_EXPR.
 895
 896 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
 897
 898         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
 899         REGION_COPY argument.
 900         (thread_through_all_blocks): Remove unused argument to
 901         duplicate_thread_path.
 902
 903 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 904             Alan Hayward  <alan.hayward@arm.com>
 905             David Sherwood  <david.sherwood@arm.com>
 906
 907         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
 908         Take a scalar_mode rather than a machine_mode.
 909         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 910         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
 911         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 912         (aarch64_gen_adjusted_ldpstp): Likewise.
 913         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
 914
 915 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 916             Alan Hayward  <alan.hayward@arm.com>
 917             David Sherwood  <david.sherwood@arm.com>
 918
 919         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
 920         Take a scalar_int_mode instead of a machine_mode.
 921         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 922         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 923         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 924         (aarch64_simd_attr_length_rglist): Delete.
 925         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
 926         a scalar_int_mode instead of a machine_mode.
 927         (aarch64_add_offset): Likewise.
 928         (aarch64_internal_mov_immediate): Likewise
 929         (aarch64_add_constant_internal): Likewise.
 930         (aarch64_add_constant): Likewise.
 931         (aarch64_movw_imm): Likewise.
 932         (aarch64_rtx_arith_op_extract_p): Likewise.
 933         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 934         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 935         Remove assert that the mode isn't a vector.
 936         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 937         (aarch64_expand_mov_immediate): Update calls after above changes.
 938         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
 939         (aarch64_and_bitmask_imm): Check for scalar integer modes.
 940         (aarch64_move_imm): Likewise.
 941         (aarch64_can_const_movi_rtx_p): Likewise.
 942         (aarch64_strip_extend): Likewise.
 943         (aarch64_extr_rtx_p): Likewise.
 944         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
 945         a CONST_INT when the mode parameter is VOIDmode.
 946         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
 947
 948 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 949
 950         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
 951         * stor-layout.c (bitwise_mode_for_mode): Likewise.
 952         (bitwise_type_for_mode): Update accordingly.
 953
 954 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 955
 956         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
 957         * stor-layout.c (mode_for_size_tree): Likewise.
 958         (mode_for_array): Update accordingly.
 959         (layout_decl): Likewise.
 960         (compute_record_mode): Likewise.  Only set the mode once.
 961
 962 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 963
 964         * target.def (get_mask_mode): Change return type to opt_mode.
 965         Expand commentary.
 966         * doc/tm.texi: Regenerate.
 967         * targhooks.h (default_get_mask_mode): Return an opt_mode.
 968         * targhooks.c (default_get_mask_mode): Likewise.
 969         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
 970         * optabs-query.c (can_vec_mask_load_store_p): Update use of
 971         targetm.get_mask_mode.
 972         * tree.c (build_truth_vector_type): Likewise.
 973
 974 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 975
 976         * machmode.h (mode_for_vector): Return an opt_mode.
 977         * stor-layout.c (mode_for_vector): Likewise.
 978         (mode_for_int_vector): Update accordingly.
 979         (layout_type): Likewise.
 980         * config/i386/i386.c (emit_memmov): Likewise.
 981         (ix86_expand_set_or_movmem): Likewise.
 982         (ix86_expand_vector_init): Likewise.
 983         (ix86_get_mask_mode): Likewise.
 984         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
 985         Likewise.
 986         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
 987         * expmed.c (extract_bit_field_1): Likewise.
 988         * expr.c (expand_expr_real_2): Likewise.
 989         * optabs-query.c (can_vec_perm_p): Likewise.
 990         (can_vec_mask_load_store_p): Likewise.
 991         * optabs.c (expand_vec_perm): Likewise.
 992         * targhooks.c (default_get_mask_mode): Likewise.
 993         * tree-vect-stmts.c (vectorizable_store): Likewise.
 994         (vectorizable_load): Likewise.
 995         (get_vectype_for_scalar_type_and_size): Likewise.
 996
 997 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 998
 999         * machmode.h (mode_for_int_vector): New function.
1000         * stor-layout.c (mode_for_int_vector): Likewise.
1001         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
1002         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
1003         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
1004         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
1005         (s390_expand_vcond): Likewise.
1006
1007 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1008
1009         * machmode.h (opt_machine_mode): New type.
1010         (opt_mode<T>): Allow construction from anything that can be
1011         converted to a T.
1012         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
1013         (mode_for_size): Return an opt_machine_mode.
1014         * stor-layout.c (mode_for_size): Likewise.
1015         (mode_for_size_tree): Update call accordingly.
1016         (bitwise_mode_for_mode): Likewise.
1017         (make_fract_type): Likewise.
1018         (make_accum_type): Likewise.
1019         * caller-save.c (replace_reg_with_saved_mem): Update call
1020         accordingly.
1021         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1022         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1023         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1024         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1025         * expmed.c (extract_bit_field_1): Likewise.
1026         * reload.c (get_secondary_mem): Likewise.
1027         * varasm.c (assemble_integer): Likewise.
1028         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
1029         early-out.
1030
1031 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1032
1033         * machmode.h (decimal_float_mode_for_size): New function.
1034         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
1035         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
1036         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
1037         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
1038         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
1039         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
1040
1041 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1042
1043         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
1044         (get_builtin_sync_mode): Likewise.
1045         (expand_ifn_atomic_compare_exchange): Likewise.
1046         (expand_builtin_atomic_clear): Likewise.
1047         (expand_builtin_atomic_test_and_set): Likewise.
1048         (fold_builtin_atomic_always_lock_free): Likewise.
1049         * calls.c (compute_argument_addresses): Likewise.
1050         (emit_library_call_value_1): Likewise.
1051         (store_one_arg): Likewise.
1052         * combine.c (combine_instructions): Likewise.
1053         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
1054         * config/arm/arm.c (arm_function_value): Likewise.
1055         (aapcs_allocate_return_reg): Likewise.
1056         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
1057         * config/i386/i386.c (construct_container): Likewise.
1058         (ix86_gimplify_va_arg): Likewise.
1059         (ix86_expand_sse_cmp): Likewise.
1060         (emit_memmov): Likewise.
1061         (emit_memset): Likewise.
1062         (expand_small_movmem_or_setmem): Likewise.
1063         (ix86_expand_pextr): Likewise.
1064         (ix86_expand_pinsr): Likewise.
1065         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
1066         * config/microblaze/microblaze.c (microblaze_block_move_straight):
1067         Likewise.
1068         * config/mips/mips.c (mips_function_value_1) Likewise.
1069         (mips_block_move_straight): Likewise.
1070         (mips_expand_ins_as_unaligned_store): Likewise.
1071         * config/powerpcspe/powerpcspe.c
1072         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1073         (rs6000_darwin64_record_arg_flush): Likewise.
1074         * config/rs6000/rs6000.c
1075         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1076         (rs6000_darwin64_record_arg_flush): Likewise.
1077         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
1078         (sparc_function_value_1): Likewise.
1079         * config/spu/spu.c (adjust_operand): Likewise.
1080         (spu_emit_branch_or_set): Likewise.
1081         (arith_immediate_p): Likewise.
1082         * emit-rtl.c (gen_lowpart_common): Likewise.
1083         * expr.c (expand_expr_real_1): Likewise.
1084         * function.c (assign_parm_setup_block): Likewise.
1085         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
1086         * reload1.c (alter_reg): Likewise.
1087         * stor-layout.c (mode_for_vector): Likewise.
1088         (layout_type): Likewise.
1089
1090 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1091
1092         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
1093         (spu_convert_move): Likewise.
1094         * lower-subreg.c (resolve_simple_move): Likewise.
1095
1096 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1097
1098         PR target/81833
1099         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
1100         define_insn to a define_expand.
1101         (altivec_vsum2sws_direct): New define_insn.
1102         (altivec_vsumsws): Convert from a define_insn to a define_expand.
1103
1104 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1105
1106         * config/arm/arm.c (arm_option_params_internal): Improve setting of
1107         max_insns_skipped.
1108
1109 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1110
1111         PR target/59501
1112         PR target/81624
1113         PR target/81769
1114         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
1115         realign stack if stack alignment needed is less than incoming
1116         stack boundary.
1117
1118 2017-09-05  Marek Polacek  <polacek@redhat.com>
1119
1120         PR sanitizer/82072
1121         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
1122         check earlier.
1123
1124 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1125
1126         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
1127
1128 2017-09-05  Richard Biener  <rguenther@suse.de>
1129
1130         PR tree-optimization/82084
1131         * fold-const.c (can_native_encode_string_p): Handle wide characters.
1132
1133 2017-09-05  Richard Biener  <rguenther@suse.de>
1134
1135         PR tree-optimization/82102
1136         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
1137
1138 2017-09-05  Martin Liska  <mliska@suse.cz>
1139
1140         PR tree-optimization/82032
1141         * tree-cfg.c (generate_range_test): New function.
1142         * tree-cfg.h (generate_range_test): Declared here.
1143         * tree-cfgcleanup.c (convert_single_case_switch): New function.
1144         (cleanup_control_expr_graph): Use it.
1145         * tree-switch-conversion.c (try_switch_expansion): Remove
1146         assert.
1147         (emit_case_nodes): Use generate_range_test.
1148
1149 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1150
1151         PR target/82098
1152         * config/i386/i386.md (*<btsc><mode>_mask): Add
1153         TARGET_USE_BT to insn constraint.
1154         (*btr<mode>_mask): Ditto.
1155
1156 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
1157
1158         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
1159         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
1160
1161 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1162
1163         PR target/77308
1164         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
1165         TARGET_NEON and TARGET_IWMMXT.
1166         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
1167         TARGET_NEON and TARGET_IWMMXT.
1168         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
1169
1170 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1171
1172         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
1173         (ix86_rewrite_tls_address): Ditto.
1174         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
1175         (ix86_rewrite_tls_address_1): Ditto.
1176         (ix86_rewrite_tls_address): Ditto.
1177         * config/i386/predicates.md (tls_address_pattern): New predicate.
1178         * config/i386/i386.md (TLS address splitter): New splitter.
1179
1180 2017-09-04  Richard Biener  <rguenther@suse.de>
1181
1182         PR tree-optimization/82084
1183         * fold-const.h (can_native_encode_string_p): Declare.
1184         * fold-const.c (can_native_encode_string_p): Factor out from ...
1185         (native_encode_string): ... here.
1186         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
1187         vectorizing stores from constants we later cannot handle.
1188
1189 2017-09-04  Marek Polacek  <polacek@redhat.com>
1190
1191         PR c/81783
1192         * doc/invoke.texi: Update -Wtautological-compare documentation.
1193
1194 2017-09-04  Jeff Law  <law@redhat.com>
1195
1196         PR tree-optimization/64910
1197         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
1198         swap the first and last operand if the last is a constant.
1199
1200 2017-09-04  Marek Polacek  <polacek@redhat.com>
1201
1202         PR sanitizer/82072
1203         * convert.c (do_narrow): When sanitizing signed integer overflows,
1204         bail out for signed types.
1205         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
1206
1207 2017-09-04  Richard Biener  <rguenther@suse.de>
1208
1209         PR tree-optimization/82060
1210         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1211         Move devirtualization after stmt folding and before EH/AB/noreturn
1212         cleanup to get the stmt refs canonicalized.  Use a bool instead
1213         of gimple_modified_p since that doesn't work for NOPs.  Schedule
1214         NOPs generated by folding for removal.
1215
1216 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1217             Alan Hayward  <alan.hayward@arm.com>
1218             David Sherwood  <david.sherwood@arm.com>
1219
1220         * coretypes.h (pad_direction): New enum.
1221         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
1222         (FUNCTION_ARG_PADDING): Likewise.
1223         * target.def (function_arg_padding): New hook.
1224         * targhooks.h (default_function_arg_padding): Declare.
1225         * targhooks.c (default_function_arg_padding): New function.
1226         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
1227         (TARGET_FUNCTION_ARG_PADDING): ...this.
1228         * doc/tm.texi: Regenerate.
1229         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
1230         instead of direction.
1231         (compute_argument_addresses): Likewise.
1232         (load_register_parameters): Likewise.
1233         (emit_library_call_value_1): Likewise.
1234         (store_one_arg): Use targetm.calls.function_arg_padding instead
1235         of FUNCTION_ARG_PADDING.
1236         (must_pass_in_stack_var_size_or_pad): Likewise.
1237         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
1238         (emit_group_store): Likewise.
1239         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
1240         instead of FUNCTION_ARG_PADDING.
1241         (emit_push_insn): Likewise, and propagate enum change throughout
1242         function.
1243         * function.h (direction): Delete.
1244         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
1245         of direction.
1246         * function.c (assign_parm_find_stack_rtl): Likewise.
1247         (assign_parm_setup_block_p): Likewise.
1248         (assign_parm_setup_block): Likewise.
1249         (gimplify_parameters): Likewise.
1250         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
1251         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
1252         function.
1253         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
1254         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1255         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
1256         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
1257         (aarch64_function_arg_padding): ...this new function.
1258         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
1259         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1260         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
1261         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1262         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
1263         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1264         (arm_pad_arg_upward): Replace with...
1265         (arm_function_arg_padding): ...this new function.
1266         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
1267         of direction.
1268         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
1269         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
1270         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1271         (ia64_hpux_function_arg_padding): Replace with...
1272         (ia64_function_arg_padding): ...this new function.  Use pad_direction
1273         instead of direction.  Check for TARGET_HPUX.
1274         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
1275         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1276         (iq2000_function_arg_padding): New function.
1277         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
1278         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
1279         (mips_function_arg_padding): ...this new function.
1280         (mips_pad_reg_upward): Update accordingly.
1281         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1282         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
1283         targetm.calls.function_arg_padding.
1284         (FUNCTION_ARG_PADDING): Delete.
1285         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1286         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
1287         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1288         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
1289         (nios2_block_reg_padding): Return pad_direction instead of direction.
1290         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
1291         instead of direction.
1292         (nios2_function_arg_padding): Likewise.  Make static.
1293         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1294         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
1295         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
1296         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
1297         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1298         (pa_function_arg_padding): Make static.  Return pad_direction instead
1299         of direction.
1300         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
1301         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1302         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
1303         instead of direction.  Use targetm.calls.function_arg_padding.
1304         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
1305         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1306         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
1307         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
1308         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
1309         Redefine.
1310         (function_arg_padding): Rename to...
1311         (rs6000_function_arg_padding): ...this.  Make static.  Return
1312         pad_direction instead of direction.
1313         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1314         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
1315         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1316         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
1317         instead of direction.  Use targetm.calls.function_arg_padding.
1318         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
1319         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1320         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
1321         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
1322         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1323         (function_arg_padding): Rename to...
1324         (rs6000_function_arg_padding): ...this.  Make static.  Return
1325         pad_direction instead of direction.
1326         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1327         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
1328         * config/s390/s390.c (s390_function_arg_padding): New function.
1329         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1330         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
1331         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
1332         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1333         (function_arg_padding): Rename to...
1334         (sparc_function_arg_padding): ...this.  Make static.  Return
1335         pad_direction instead of direction.
1336         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
1337         * config/spu/spu.c (spu_function_arg_padding): New function.
1338         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1339         * system.h (FUNCTION_ARG_PADDING): Poison.
1340
1341 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1342             Alan Hayward  <alan.hayward@arm.com>
1343             David Sherwood  <david.sherwood@arm.com>
1344
1345         * target.def (modes_tieable_p): New hook.
1346         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
1347         (TARGET_MODES_TIEABLE_P): ...this.
1348         * doc/tm.texi.in: Regenerate.
1349         * hooks.h (hook_bool_mode_mode_true): Declare.
1350         * hooks.c (hook_bool_mode_mode_true): New function.
1351         * combine.c (subst): Use targetm.modes_tieable_p instead of
1352         MODES_TIEABLE_P.
1353         * dse.c (find_shift_sequence): Likewise.
1354         * expmed.c (extract_low_bits): Likewise.
1355         * lower-subreg.c: Include target.h.
1356         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
1357         MODES_TIEABLE_P.
1358         * rtlanal.c (rtx_cost): Likewise.
1359         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
1360         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
1361         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
1362         (TARGET_MODES_TIEABLE_P): Redefine.
1363         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
1364         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
1365         (TARGET_MODES_TIEABLE_P): Redefine.
1366         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
1367         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
1368         (arc_modes_tieable_p): New function.
1369         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
1370         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
1371         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
1372         (arm_modes_tieable_p): Make static.
1373         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
1374         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
1375         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
1376         (TARGET_MODES_TIEABLE_P): Redefine.
1377         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
1378         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
1379         (TARGET_MODES_TIEABLE_P): Redefine.
1380         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
1381         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
1382         (cr16_modes_tieable_p): New function.
1383         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
1384         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
1385         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
1386         (TRULY_NOOP_TRUNCATION): Update comment.
1387         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
1388         (TRULY_NOOP_TRUNCATION): Update comment.
1389         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
1390         (frv_modes_tieable_p): New function.
1391         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
1392         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
1393         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
1394         (TARGET_MODES_TIEABLE_P): Redefine.
1395         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
1396         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
1397         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
1398         (TARGET_MODES_TIEABLE_P): Redefine.
1399         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
1400         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
1401         (ia64_modes_tieable_p): New function.
1402         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
1403         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
1404         (iq2000_modes_tieable_p): New function.
1405         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
1406         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
1407         (lm32_modes_tieable_p): New function.
1408         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
1409         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
1410         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
1411         (TARGET_MODES_TIEABLE_P): Redefine.
1412         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
1413         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
1414         (m32r_modes_tieable_p): New function.
1415         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
1416         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
1417         (m68k_modes_tieable_p): New function.
1418         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
1419         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
1420         (mcore_modes_tieable_p): New function.
1421         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
1422         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
1423         function.
1424         (TARGET_MODES_TIEABLE_P): Redefine.
1425         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
1426         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
1427         * config/mips/mips.c (mips_modes_tieable_p): Make static.
1428         (TARGET_MODES_TIEABLE_P): Redefine.
1429         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
1430         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
1431         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
1432         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
1433         (mn10300_modes_tieable_p): ...this and make static.
1434         (TARGET_MODES_TIEABLE_P): Redefine.
1435         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
1436         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
1437         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
1438         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
1439         (msp430_modes_tieable_p): Make static.
1440         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
1441         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
1442         (TARGET_MODES_TIEABLE_P): Redefine.
1443         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
1444         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
1445         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
1446         (TARGET_MODES_TIEABLE_P): Redefine.
1447         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
1448         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
1449         * config/pa/pa.c (pa_modes_tieable_p): Make static.
1450         (TARGET_MODES_TIEABLE_P): Redefine.
1451         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
1452         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
1453         (pdp11_modes_tieable_p): New function.
1454         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
1455         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
1456         (rs6000_modes_tieable_p): New function.
1457         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1458         * config/powerpcspe/powerpcspe.md: Update comment.
1459         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
1460         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
1461         (TARGET_MODES_TIEABLE_P): Redefine.
1462         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
1463         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
1464         (rl78_modes_tieable_p): New function.
1465         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
1466         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
1467         (rs6000_modes_tieable_p): New function.
1468         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1469         * config/rs6000/rs6000.md: Update comment.
1470         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
1471         * config/rx/rx.c (rx_modes_tieable_p): New function.
1472         (TARGET_MODES_TIEABLE_P): Redefine.
1473         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
1474         * config/s390/s390.c (s390_modes_tieable_p): New function.
1475         (TARGET_MODES_TIEABLE_P): Redefine.
1476         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
1477         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
1478         (sh_modes_tieable_p): New function.
1479         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
1480         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
1481         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
1482         (sparc_modes_tieable_p): Make static.
1483         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
1484         * config/spu/spu.c (spu_modes_tieable_p): New function.
1485         (TARGET_MODES_TIEABLE_P): Redefine.
1486         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
1487         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
1488         (TARGET_MODES_TIEABLE_P): Redefine.
1489         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
1490         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
1491         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
1492         * config/v850/v850.c (v850_modes_tieable_p): New function.
1493         (TARGET_MODES_TIEABLE_P): Redefine.
1494         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
1495         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
1496         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
1497         (visium_modes_tieable_p): New function.
1498         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
1499         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
1500         (xtensa_modes_tieable_p): New function.
1501         * system.h (MODES_TIEABLE_P): Poison.
1502
1503 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1504             Alan Hayward  <alan.hayward@arm.com>
1505             David Sherwood  <david.sherwood@arm.com>
1506
1507         * target.def (hard_regno_mode_ok): New hook.
1508         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
1509         (TARGET_HARD_REGNO_MODE_OK): ...this.
1510         * doc/tm.texi.in: Regenerate.
1511         * hooks.h (hook_bool_uint_mode_true): Declare.
1512         * hooks.c (hook_bool_uint_mode_true): New function.
1513         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
1514         HARD_REGNO_MODE_OK.
1515         * genpreds.c (write_insn_preds_c): Add an include of target.h.
1516         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
1517         instead of HARD_REGNO_MODE_OK.
1518         * caller-save.c: Include target.h.
1519         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
1520         HARD_REGNO_MODE_OK.
1521         * combine.c (can_combine_p): Likewise.
1522         (combinable_i3pat): Likewise.
1523         (can_change_dest_mode): Likewise.
1524         * expr.c (init_expr_target): Likewise.
1525         (convert_move): Likewise.
1526         (convert_modes): Likewise.
1527         * ira.c (setup_prohibited_class_mode_regs): Likewise.
1528         (setup_prohibited_mode_move_regs): Likewise.
1529         * ira.h (target_ira): Likewise.
1530         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1531         * lra-constraints.c (process_alt_operands): Likewise.
1532         (split_reg): Likewise.
1533         * recog.c (peep2_find_free_register): Likewise.
1534         * ree.c (combine_reaching_defs): Likewise.
1535         * regcprop.c (maybe_mode_change): Likewise.
1536         * reginfo.c (init_reg_sets_1): Likewise.
1537         (choose_hard_reg_mode): Likewise.
1538         (simplifiable_subregs): Likewise.
1539         * regrename.c (check_new_reg_p): Likewise.
1540         * reload.c (find_valid_class): Likewise.
1541         (find_valid_class_1): Likewise.
1542         (reload_inner_reg_of_subreg): Likewise.
1543         (push_reload): Likewise.
1544         (combine_reloads): Likewise.
1545         (find_dummy_reload): Likewise.
1546         (find_reloads): Likewise.
1547         * reload1.c (find_reg): Likewise.
1548         (set_reload_reg): Likewise.
1549         (allocate_reload_reg): Likewise.
1550         (choose_reload_regs): Likewise.
1551         (reload_adjust_reg_for_temp): Likewise.
1552         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
1553         (simplify_subreg_regno): Likewise.
1554         * sel-sched.c (init_regs_for_mode): Likewise.
1555         * varasm.c (make_decl_rtl): Likewise.
1556         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
1557         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
1558         HARD_REGNO_MODE_OK.
1559         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
1560         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
1561         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1562         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
1563         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
1564         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1565         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
1566         (arc_mode_class): Delete.
1567         (HARD_REGNO_MODE_OK): Delete.
1568         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1569         (arc_hard_regno_mode_ok): Rename old array to...
1570         (arc_hard_regno_mode_ok_modes): ...this.
1571         (arc_conditional_register_usage): Update accordingly.
1572         (arc_mode_class): Make static.
1573         (arc_hard_regno_mode_ok): New function.
1574         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
1575         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
1576         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1577         (arm_hard_regno_mode_ok): Make static.
1578         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
1579         HARD_REGNO_MODE_OK.
1580         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
1581         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
1582         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
1583         return a bool.
1584         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1585         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
1586         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
1587         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
1588         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
1589         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1590         * config/bfin/predicates.md (valid_reg_operand): Use
1591         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
1592         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
1593         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
1594         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1595         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
1596         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
1597         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1598         (cr16_hard_regno_mode_ok): Make static and return a bool.
1599         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
1600         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1601         (cris_hard_regno_mode_ok): New function.
1602         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
1603         (epiphany_mode_class): Delete.
1604         (HARD_REGNO_MODE_OK): Delete.
1605         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
1606         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1607         (hard_regno_mode_ok): Rename to...
1608         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
1609         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
1610         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
1611         HARD_REGNO_MODE_OK.
1612         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
1613         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
1614         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1615         (frv_hard_regno_mode_ok): Make static and return a bool.
1616         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
1617         HARD_REGNO_MODE_OK.
1618         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
1619         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
1620         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
1621         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
1622         and return a bool.
1623         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1624         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
1625         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
1626         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
1627         return a bool.
1628         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1629         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
1630         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1631         (ia64_hard_regno_mode_ok): New function.
1632         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
1633         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1634         (iq2000_hard_regno_mode_ok): New function.
1635         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
1636         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1637         (lm32_hard_regno_mode_ok): New function.
1638         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
1639         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
1640         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
1641         instead of HARD_REGNO_MODE_OK.
1642         (m32c_hard_regno_ok): Rename to...
1643         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
1644         (m32c_cannot_change_mode_class): Update accordingly.
1645         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1646         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
1647         (m32r_mode_class): Delete.
1648         (HARD_REGNO_MODE_OK): Delete.
1649         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1650         (m32r_hard_regno_mode_ok): Rename to...
1651         (m32r_hard_regno_modes): ...this.
1652         (m32r_mode_class): Make static.
1653         (m32r_hard_regno_mode_ok): New function.
1654         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
1655         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
1656         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1657         (m68k_hard_regno_mode_ok): Make static.
1658         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
1659         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1660         (mcore_hard_regno_mode_ok): New function.
1661         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
1662         (HARD_REGNO_MODE_OK): Delete.
1663         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
1664         Rename to...
1665         (microblaze_hard_regno_mode_ok_p): ...this and make static.
1666         (microblaze_hard_regno_mode_ok): New function.
1667         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1668         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
1669         (mips_hard_regno_mode_ok): Delete.
1670         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
1671         (mips_hard_regno_mode_ok_p): ...this and make static.
1672         (mips_hard_regno_mode_ok_p): Rename to...
1673         (mips_hard_regno_mode_ok_uncached): ...this.
1674         (mips_hard_regno_mode_ok): New function.
1675         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
1676         of HARD_REGNO_MODE_OK.
1677         (mips_option_override): Update after above name changes.
1678         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1679         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
1680         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
1681         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
1682         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
1683         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1684         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
1685         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
1686         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
1687         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1688         (msp430_hard_regno_mode_ok): Make static and return a bool.
1689         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
1690         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
1691         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
1692         and return a bool.
1693         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1694         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
1695         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
1696         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
1697         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
1698         (PA_HARD_REGNO_MODE_OK): ...this
1699         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
1700         (PA_HARD_REGNO_MODE_OK): ...this.
1701         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1702         (pa_hard_regno_mode_ok): New function.
1703         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
1704         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1705         (pdp11_hard_regno_mode_ok): New function.
1706         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
1707         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
1708         Delete.
1709         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
1710         Make static.
1711         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1712         (rs6000_hard_regno_mode_ok): Rename to...
1713         (rs6000_hard_regno_mode_ok_uncached): ...this.
1714         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1715         (rs6000_hard_regno_mode_ok): New function.
1716         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
1717         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
1718         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
1719         (riscv_hard_regno_mode_ok): ...this and make static.
1720         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1721         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
1722         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
1723         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1724         (rl78_hard_regno_mode_ok): Make static and return bool.
1725         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
1726         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
1727         Delete.
1728         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
1729         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1730         (rs6000_hard_regno_mode_ok): Rename to...
1731         (rs6000_hard_regno_mode_ok_uncached): ...this.
1732         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1733         (rs6000_hard_regno_mode_ok): New function.
1734         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
1735         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
1736         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1737         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
1738         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
1739         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
1740         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1741         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
1742         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
1743         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1744         (sh_hard_regno_mode_ok): Make static.
1745         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
1746         instead of HARD_REGNO_MODE_OK.
1747         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
1748         (sparc_mode_class): Delete.
1749         (HARD_REGNO_MODE_OK): Delete.
1750         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1751         (hard_regno_mode_classes): Make static.
1752         (sparc_mode_class): Likewise.
1753         (sparc_hard_regno_mode_ok): New function.
1754         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
1755         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
1756         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
1757         function.
1758         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1759         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
1760         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
1761         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
1762         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
1763         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1764         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
1765         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
1766         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1767         (visium_hard_regno_mode_ok): New function.
1768         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
1769         instead of HARD_REGNO_MODE_OK.
1770         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
1771         (HARD_REGNO_MODE_OK): Delete.
1772         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
1773         (xtensa_hard_regno_mode_ok_p): ...this and make static.
1774         (xtensa_option_override): Update accordingly.
1775         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1776         (xtensa_hard_regno_mode_ok): New function.
1777         * system.h (HARD_REGNO_MODE_OK): Poison.
1778
1779 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1780             Alan Hayward  <alan.hayward@arm.com>
1781             David Sherwood  <david.sherwood@arm.com>
1782
1783         * target.def (hard_regno_call_part_clobbered): New hook.
1784         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
1785         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
1786         * doc/tm.texi: Regenerate.
1787         * hooks.h (hook_bool_uint_mode_false): Declare.
1788         * hooks.c (hook_bool_uint_mode_false): New function.
1789         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1790         * cselib.c (cselib_process_insn): Use
1791         targetm.hard_regno_call_part_clobbered instead of
1792         HARD_REGNO_CALL_PART_CLOBBERED.
1793         * ira-conflicts.c (ira_build_conflicts): Likewise.
1794         * ira-costs.c (ira_tune_allocno_costs): Likewise.
1795         * lra-constraints.c (need_for_call_save_p): Likewise.
1796         * lra-lives.c: Include target.h.
1797         (check_pseudos_live_through_calls): Use
1798         targetm.hard_regno_call_part_clobbered instead of
1799         HARD_REGNO_CALL_PART_CLOBBERED.
1800         * regcprop.c: Include target.h.
1801         (copyprop_hardreg_forward_1): Use
1802         targetm.hard_regno_call_part_clobbered instead of
1803         HARD_REGNO_CALL_PART_CLOBBERED.
1804         * reginfo.c (choose_hard_reg_mode): Likewise.
1805         * regrename.c (check_new_reg_p): Likewise.
1806         * reload.c (find_equiv_reg): Likewise.
1807         * reload1.c (emit_reload_insns): Likewise.
1808         * sched-deps.c (deps_analyze_insn): Likewise.
1809         * sel-sched.c (init_regs_for_mode): Likewise.
1810         (mark_unavailable_hard_regs): Likewise.
1811         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
1812         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1813         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
1814         New function.
1815         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1816         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1817         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
1818         Delete.
1819         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
1820         and return a bool.
1821         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1822         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1823         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
1824         function.
1825         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1826         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1827         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
1828         function.
1829         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1830         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
1831         Delete.
1832         * config/powerpcspe/powerpcspe.c
1833         (rs6000_hard_regno_call_part_clobbered): New function.
1834         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1835         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1836         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
1837         New function.
1838         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1839         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1840         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
1841         function.
1842         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1843         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1844         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
1845
1846 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1847             Alan Hayward  <alan.hayward@arm.com>
1848             David Sherwood  <david.sherwood@arm.com>
1849
1850         * rtl.h (subreg_memory_offset): Declare.
1851         * emit-rtl.c (subreg_memory_offset): New function.
1852         * expmed.c (store_bit_field_1): Use it.
1853         * expr.c (undefined_operand_subword_p): Likewise.
1854         * simplify-rtx.c (simplify_subreg): Likewise.
1855
1856 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
1857
1858         PR rtl-optimization/57448
1859         PR target/67458
1860         PR target/81316
1861         * optabs.c (expand_atomic_load): Place compiler memory barriers if
1862         using atomic_load pattern.
1863         (expand_atomic_store): Likewise.
1864
1865 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
1866
1867         PR sanitizer/81981
1868         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
1869         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
1870         handling.  Use replace_call_with_value with NULL instead of
1871         gsi_replace, unlink_stmt_vdef and release_defs.
1872
1873         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
1874         instead of tab.
1875
1876         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
1877
1878 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1879
1880         PR bootstrap/82045
1881         * rtl.h (emit_library_call_value_1): Declare.
1882         (emit_library_call): Replace declaration with a series of overloads.
1883         Remove the parameter count argument.
1884         (emit_library_call_value): Likewise.
1885         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
1886         with an "rtx_mode_t *".
1887         (emit_library_call_value): Delete.
1888         (emit_library_call): Likewise.
1889         * asan.c (asan_emit_stack_protection): Update calls accordingly.
1890         (asan_emit_allocas_unpoison): Likewise.
1891         * builtins.c (expand_builtin_powi): Likewise.
1892         (expand_asan_emit_allocas_unpoison): Likewise.
1893         * cfgexpand.c (expand_main_function): Likewise.
1894         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
1895         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
1896         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
1897         * config/arm/arm.c (arm_trampoline_init): Likewise.
1898         (arm_call_tls_get_addr): Likewise.
1899         (arm_expand_divmod_libfunc): Likewise.
1900         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
1901         (smulsi3_highpart): Likewise.
1902         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
1903         (c6x_expand_compare): Likewise.
1904         (c6x_expand_movmem): Likewise.
1905         * config/frv/frv.c (frv_trampoline_init): Likewise.
1906         * config/i386/i386.c (ix86_trampoline_init): Likewise.
1907         (ix86_expand_divmod_libfunc): Likewise.
1908         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1909         (ia64_expand_compare): Likewise.
1910         (ia64_profile_hook): Likewise.
1911         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
1912         (nonlocal_goto): Likewise.
1913         (restore_stack_nonlocal): Likewise.
1914         * config/m32r/m32r.c (block_move_call): Likewise.
1915         (m32r_trampoline_init): Likewise.
1916         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1917         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
1918         (m68k_call_m68k_read_tp): Likewise.
1919         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
1920         (microblaze_expand_divide): Likewise.
1921         * config/mips/mips.h (mips_args): Likewise.
1922         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
1923         (MIPS_ICACHE_SYNC): Likewise.
1924         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
1925         (nios2_trampoline_init): Likewise.
1926         * config/pa/pa.c (hppa_tls_call): Likewise.
1927         (pa_trampoline_init): Likewise.
1928         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
1929         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
1930         (expand_strn_compare): Likewise.
1931         (rs6000_generate_compare): Likewise.
1932         (rs6000_expand_float128_convert): Likewise.
1933         (output_profile_hook): Likewise.
1934         (rs6000_trampoline_init): Likewise.
1935         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
1936         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
1937         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
1938         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1939         (rs6000_generate_compare): Likewise.
1940         (rs6000_expand_float128_convert): Likewise.
1941         (output_profile_hook): Likewise.
1942         (rs6000_trampoline_init): Likewise.
1943         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
1944         * config/sh/sh.c (sh_trampoline_init): Likewise.
1945         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
1946         (sparc_emit_float_lib_cmp): Likewise.
1947         (sparc32_initialize_trampoline): Likewise.
1948         (sparc64_initialize_trampoline): Likewise.
1949         (sparc_profile_hook): Likewise.
1950         * config/spu/spu.c (ea_load_store): Likewise.
1951         * config/spu/spu.md (floatunssidf2): Likewise.
1952         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
1953         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
1954         * config/visium/visium.c (expand_block_move_4): Likewise.
1955         (expand_block_move_2): Likewise.
1956         (expand_block_move_1): Likewise.
1957         (expand_block_set_4): Likewise.
1958         (expand_block_set_2): Likewise.
1959         (expand_block_set_1): Likewise.
1960         (visium_trampoline_init): Likewise.
1961         (visium_profile_hook): Likewise.
1962         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
1963         (xtensa_setup_frame_addresses): Likewise.
1964         (xtensa_trampoline_init): Likewise.
1965         * except.c (sjlj_emit_function_enter): Likewise.
1966         (sjlj_emit_function_exit): Likewise.
1967         * explow.c (allocate_dynamic_stack_space): Likewise.
1968         (probe_stack_range): Likewise.
1969         * expr.c (convert_mode_scalar): Likewise.
1970         * optabs.c (expand_binop): Likewise.
1971         (expand_twoval_binop_libfunc): Likewise.
1972         (expand_unop): Likewise.
1973         (prepare_cmp_insn): Likewise.
1974         (prepare_float_lib_cmp): Likewise.
1975         (expand_float): Likewise.
1976         (expand_fix): Likewise.
1977         (expand_fixed_convert): Likewise.
1978         (maybe_emit_sync_lock_test_and_set): Likewise.
1979         (expand_atomic_compare_and_swap): Likewise.
1980         (expand_mem_thread_fence): Likewise.
1981         (expand_atomic_fetch_op): Likewise.
1982
1983 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
1984
1985         * doc/generic.texi (OpenACC): Adjust URL.
1986         * doc/invoke.texi (C Dialect Options): Ditto.
1987
1988 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
1989
1990         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
1991         predicate for operand 1.  Add (m,<S>) constraint.
1992         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
1993         Prevent memory operand 1 with register operand 2.
1994
1995 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1996
1997         PR rtl-optimization/82024
1998         * combine.c (try_combine): If the combination result is a PARALLEL,
1999         and we only need to retain the SET in there that would be placed
2000         at I2, check that we can place that at I3 instead, before doing so.
2001
2002 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2003
2004         PR target/81766
2005         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
2006         instead of void.
2007         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
2008         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
2009         and label.
2010
2011 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
2012             Jeff Law  <law@redhat.com>
2013
2014         * varasm.c (bss_initializer_p): Do not put constants into .bss
2015         (categorize_decl_for_section): Handle bss_initializer_p returning
2016         false when DECL_INITIAL is NULL.
2017
2018 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2019
2020         PR target/82012
2021         * config/s390/s390.c (s390_can_inline_p): New function.
2022
2023 2017-09-01  Jeff Law  <law@redhat.com>
2024
2025         PR tree-optimization/82052
2026         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
2027         Always initialize the returned slot after a hash table miss
2028         when INSERT is true.
2029
2030 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
2031
2032         * config/s390/s390.md (mem_signal_fence): Remove.
2033         * doc/md.texi (mem_signal_fence): Remove.
2034         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
2035         Update comments.
2036         * target-insns.def (mem_signal_fence): Remove.
2037
2038 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2039
2040         PR sanitizer/81902
2041         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
2042
2043         PR sanitizer/81923
2044         * asan.c (create_odr_indicator): Strip name encoding from assembler
2045         name before appending it after __odr_asan_.
2046
2047 2017-09-01  Martin Liska  <mliska@suse.cz>
2048
2049         PR tree-optimization/82059
2050         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
2051         frequency only when an edge is redirected.
2052
2053 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2054
2055         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
2056         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
2057         (arc_conditional_register_usage): Remove ARC600 lp_count
2058         exception.
2059         (arc_file_start): Emit Tag_ARC_CPU_variation.
2060         (arc_can_use_doloop_p): New conditions to use ZOLs.
2061         (hwloop_fail): New function.
2062         (hwloop_optimize): Likewise.
2063         (hwloop_pattern_reg): Likewise.
2064         (arc_doloop_hooks): New struct, to be used with reorg_loops.
2065         (arc_reorg_loops): New function, calls reorg_loops.
2066         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
2067         (arc600_corereg_hazard): Remove ZOL checking, case handled by
2068         hwloop_optimize.
2069         (arc_loop_hazard): Remove function, functionality moved into
2070         hwloop_optimize.
2071         (arc_hazard): Remove arc_loop_hazard call.
2072         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
2073         into hwloop_optimize.
2074         (arc_label_align): Remove ZOL handling.
2075         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
2076         * config/arc/arc.md (doloop_begin): Remove pattern.
2077         (doloop_begin_i): Likewise.
2078         (doloop_end_i): Likewise.
2079         (doloop_fallback): Likewise.
2080         (doloop_fallback_m): Likewise.
2081         (doloop_end): Reimplement expand.
2082         (arc_lp): New pattern for LP instruction.
2083         (loop_end): New pattern.
2084         (loop_fail): Likewise.
2085         (decrement_and_branch_until_zero): Likewise.
2086         * config/arc/arc.opt (mlpc-width): New option.
2087         * doc/invoke.texi (mlpc-width): Document option.
2088
2089 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2090
2091         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
2092         (arc_ccfsm_advance): Fix checking for delay slots.
2093         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
2094
2095 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2096
2097         * config/arc/arc.md (movqi_insn): Add stores to save constant long
2098         immediates.
2099         (movhi_insn): Update store instruction constraint which are saving
2100         6-bit short immediates.
2101         (movsi_insn): Consider also short scaled load operations.
2102         (zero_extendhisi2_i): Use Usd constraint instead of T.
2103         (extendhisi2_i): Add q constraint.
2104         (arc_clzsi2): Add type and length attributes.
2105         (arc_ctzsi2): Likewise.
2106         * config/arc/constraints.md (Usc): Update constraint, the
2107         assembler can parse two relocations for a single instruction.
2108
2109 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2110
2111         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
2112         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
2113
2114 2017-08-31  Olivier Hainque  <hainque@adacore.com>
2115
2116         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
2117         match as powerpc-wrs-vxworks*.
2118
2119 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
2120
2121         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
2122         register constraint for by-element operand.
2123         (aarch64_mls_elt_merge<mode>): Likewise.
2124
2125 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2126
2127         * config/arc/arc.c (arc_can_follow_jump): Check for short
2128         branches.
2129
2130 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2131
2132         * config.gcc: Use g.opt for arc.
2133         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
2134         functionality moved to ...
2135         (legitimate_scaled_address_p): New function, ...here.
2136         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
2137         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
2138         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
2139         condition.
2140         (arc_override_options): Handle G option.
2141         (arc_output_pic_addr_const): Correct function definition.
2142         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
2143         (arc_decl_anon_ns_mem_p): Delete.
2144         (arc_in_small_data_p): Overhaul this function to take into
2145         consideration the value given via G option.
2146         (arc_rewrite_small_data_1): Renamed and corrected old
2147         arc_rewrite_small_data function.
2148         (arc_rewrite_small_data): New function.
2149         (small_data_pattern): Don't use pic_offset_table_rtx.
2150         * config/arc/arc.h (CC1_SPEC): Recognize G option.
2151         * config/arc/simdext.md (movmisalignv2hi): Use
2152         prepare_move_operands function.
2153         (mov*): Likewise.
2154         (movmisalign*): Likewise.
2155         * doc/invoke.texi (ARC options): Document -G option.
2156
2157 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2158
2159         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
2160         prototype.
2161         * config/arc/arc.c (arc_print_operand): Output scalled address for
2162         sdata whenever is possible.
2163         (arc_in_small_data_p): Allow sdata for 64bit datum when double
2164         load/stores are available.
2165         (compact_sda_memory_operand): Check for the alignment required by
2166         code density instructions.
2167         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
2168         constraint.
2169         * config/arc/constraints.md (Usd): Update constraint.
2170         (Us0): New constraint.
2171         (Usc): Update constraint.
2172
2173 2017-08-31  Richard Biener  <rguenther@suse.de>
2174
2175         PR middle-end/82054
2176         * dwarf2out.c (dwarf2out_early_global_decl): Process each
2177         function only once.
2178
2179 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
2180
2181         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
2182         Resize type_signature.
2183
2184 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2185             Alan Hayward  <alan.hayward@arm.com>
2186             David Sherwood  <david.sherwood@arm.com>
2187
2188         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
2189         subregs whose inner modes can be stored in GPRs.
2190         (aarch64_classify_index): Likewise.
2191
2192 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2193             Alan Hayward  <alan.hayward@arm.com>
2194             David Sherwood  <david.sherwood@arm.com>
2195
2196         * config/aarch64/iterators.md (V_cmp_result): Rename to...
2197         (V_INT_EQUIV): ...this.
2198         (v_cmp_result): Rename to...
2199         (v_int_equiv): ...this.
2200         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
2201         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
2202         (copysign<mode>3): Likewise.
2203         (aarch64_simd_bsl<mode>_internal): Likewise.
2204         (aarch64_simd_bsl<mode>): Likewise.
2205         (vec_cmp<mode><mode>): Likewise.
2206         (vcond<mode><mode>): Likewise.
2207         (vcond<v_cmp_mixed><mode>): Likewise.
2208         (vcondu<mode><v_cmp_mixed>): Likewise.
2209         (aarch64_cm<optab><mode>): Likewise.
2210         (aarch64_cmtst<mode>): Likewise.
2211         (aarch64_fac<optab><mode>): Likewise.
2212         (vec_perm_const<mode>): Likewise.
2213         (vcond_mask_<mode><v_cmp_result>): Rename to...
2214         (vcond_mask_<mode><v_int_equiv>): ...this.
2215         (vec_cmp<mode><v_cmp_result>): Rename to...
2216         (vec_cmp<mode><v_int_equiv>): ...this.
2217
2218 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2219             Alan Hayward  <alan.hayward@arm.com>
2220             David Sherwood  <david.sherwood@arm.com>
2221
2222         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
2223         vector modes.
2224         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
2225         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
2226         (UNSPEC_LD4_DREG): New unspecs.
2227         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
2228         (aarch64_ld2<mode>_dreg_be): Replace with...
2229         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
2230         unspec.
2231         (aarch64_ld3<mode>_dreg_le)
2232         (aarch64_ld3<mode>_dreg_be): Replace with...
2233         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
2234         unspec.
2235         (aarch64_ld4<mode>_dreg_le)
2236         (aarch64_ld4<mode>_dreg_be): Replace with...
2237         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
2238         unspec.
2239
2240 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2241
2242         PR tree-optimization/81987
2243         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
2244         insert an initializer in a location not dominated by the stride
2245         definition.
2246
2247 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2248
2249         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
2250         on the entire header of the finally block in the fallthru case.
2251
2252 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2253
2254         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
2255
2256 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
2257
2258         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
2259         rs6000_emit_move_from_cr and call renamed function.
2260         (rs6000_emit_prologue): Call renamed functions.
2261         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
2262         movesi_from_cr, remove volatile CRs.
2263
2264 2017-08-30  Jon Beniston  <jon@beniston.com>
2265             Richard Biener  <rguenther@suse.de>
2266
2267         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
2268         of VECTOR_MODE_P check.
2269         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
2270         element vector types.
2271
2272 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2273
2274         * df.h (df_read_modify_subreg_p): Remove in favor of...
2275         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
2276         const_rtx instead of an rtx.
2277         * cprop.c (local_cprop_find_used_regs): Update accordingly.
2278         * df-problems.c (df_word_lr_mark_ref): Likewise.
2279         * ira-lives.c (mark_pseudo_reg_live): Likewise.
2280         (mark_pseudo_reg_dead): Likewise.
2281         (mark_ref_dead): Likewise.
2282         * reginfo.c (init_subregs_of_mode): Likewise.
2283         * sched-deps.c (sched_analyze_1): Likewise.
2284         * df-scan.c (df_def_record_1): Likewise.
2285         (df_uses_record): Likewise.
2286         (df_read_modify_subreg_p): Remove in favor of...
2287         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
2288         const_rtx instead of an rtx.
2289
2290 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2291             Alan Hayward  <alan.hayward@arm.com>
2292             David Sherwood  <david.sherwood@arm.com>
2293
2294         * rtl.h (partial_subreg_p): New function.
2295         * caller-save.c (save_call_clobbered_regs): Use it.
2296         * calls.c (expand_call): Likewise.
2297         * combine.c (combinable_i3pat): Likewise.
2298         (simplify_set): Likewise.
2299         (make_extraction): Likewise.
2300         (make_compound_operation_int): Likewise.
2301         (gen_lowpart_or_truncate): Likewise.
2302         (force_to_mode): Likewise.
2303         (make_field_assignment): Likewise.
2304         (reg_truncated_to_mode): Likewise.
2305         (record_truncated_value): Likewise.
2306         (move_deaths): Likewise.
2307         * cse.c (record_jump_cond): Likewise.
2308         (cse_insn): Likewise.
2309         * cselib.c (cselib_lookup_1): Likewise.
2310         * expmed.c (extract_bit_field_using_extv): Likewise.
2311         * function.c (assign_parm_setup_reg): Likewise.
2312         * ifcvt.c (noce_convert_multiple_sets): Likewise.
2313         * ira-build.c (create_insn_allocnos): Likewise.
2314         * lra-coalesce.c (merge_pseudos): Likewise.
2315         * lra-constraints.c (match_reload): Likewise.
2316         (simplify_operand_subreg): Likewise.
2317         (curr_insn_transform): Likewise.
2318         * lra-lives.c (process_bb_lives): Likewise.
2319         * lra.c (new_insn_reg): Likewise.
2320         (lra_substitute_pseudo): Likewise.
2321         * regcprop.c (mode_change_ok): Likewise.
2322         (maybe_mode_change): Likewise.
2323         (copyprop_hardreg_forward_1): Likewise.
2324         * reload.c (push_reload): Likewise.
2325         (find_reloads): Likewise.
2326         (find_reloads_subreg_address): Likewise.
2327         * reload1.c (alter_reg): Likewise.
2328         (eliminate_regs_1): Likewise.
2329         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2330
2331 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
2332
2333         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
2334         back to if statements, including unpack.
2335
2336 2017-08-30  Martin Liska  <mliska@suse.cz>
2337
2338         PR inline-asm/82001
2339         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
2340         Rename to ...
2341         (func_checker::compare_asm_inputs_outputs): ... this function.
2342         (func_checker::compare_gimple_asm): Use the function to compare
2343         also ASM constrains.
2344         * ipa-icf-gimple.h: Rename the function.
2345
2346 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2347             Alan Hayward  <alan.hayward@arm.com>
2348             David Sherwood  <david.sherwood@arm.com>
2349
2350         * coretypes.h (complex_mode): New type.
2351         * gdbhooks.py (build_pretty_printer): Handle it.
2352         * machmode.h (complex_mode): New class.
2353         (complex_mode::includes_p): New function.
2354         (is_complex_int_mode): Likewise.
2355         (is_complex_float_mode): Likewise.
2356         * genmodes.c (get_mode_class): Handle complex mode classes.
2357         * function.c (expand_function_end): Use is_complex_int_mode.
2358
2359 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2360             Alan Hayward  <alan.hayward@arm.com>
2361             David Sherwood  <david.sherwood@arm.com>
2362
2363         * coretypes.h (scalar_mode_pod): New typedef.
2364         * gdbhooks.py (build_pretty_printer): Handle it.
2365         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
2366         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
2367         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
2368         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
2369         as_a <scalar_mode>.
2370
2371 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2372             Alan Hayward  <alan.hayward@arm.com>
2373             David Sherwood  <david.sherwood@arm.com>
2374
2375         * machmode.h (mode_for_vector): Take a scalar_mode instead
2376         of a machine_mode.
2377         * stor-layout.c (mode_for_vector): Likewise.
2378         * explow.c (promote_mode): Use as_a <scalar_mode>.
2379         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
2380
2381 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2382             Alan Hayward  <alan.hayward@arm.com>
2383             David Sherwood  <david.sherwood@arm.com>
2384
2385         * target.def (preferred_simd_mode): Take a scalar_mode
2386         instead of a machine_mode.
2387         * targhooks.h (default_preferred_simd_mode): Likewise.
2388         * targhooks.c (default_preferred_simd_mode): Likewise.
2389         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
2390         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
2391         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
2392         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
2393         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
2394         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
2395         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
2396         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
2397         Likewise.
2398         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
2399         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
2400         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
2401         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
2402         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
2403         * doc/tm.texi: Regenerate.
2404         * optabs-query.c (can_vec_mask_load_store_p): Return false for
2405         non-scalar modes.
2406
2407 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2408             Alan Hayward  <alan.hayward@arm.com>
2409             David Sherwood  <david.sherwood@arm.com>
2410
2411         * target.def (scalar_mode_supported_p): Take a scalar_mode
2412         instead of a machine_mode.
2413         * targhooks.h (default_scalar_mode_supported_p): Likewise.
2414         * targhooks.c (default_scalar_mode_supported_p): Likewise.
2415         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
2416         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
2417         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
2418         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
2419         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
2420         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
2421         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
2422         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
2423         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
2424         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
2425         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
2426         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
2427         Likewise.
2428         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
2429         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
2430         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
2431         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
2432         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
2433         Likewise.
2434         * doc/tm.texi: Regenerate.
2435
2436 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2437             Alan Hayward  <alan.hayward@arm.com>
2438             David Sherwood  <david.sherwood@arm.com>
2439
2440         * coretypes.h (opt_scalar_mode): New typedef.
2441         * gdbhooks.py (build_pretty_printers): Handle it.
2442         * machmode.h (mode_iterator::get_2xwider): Add overload for
2443         opt_mode<T>.
2444         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
2445         over scalar modes.
2446         * expr.c (convert_mode_scalar): Likewise.
2447         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2448         * optabs.c (expand_float): Likewise.
2449         (expand_fix): Likewise.
2450         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2451
2452 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2453             Alan Hayward  <alan.hayward@arm.com>
2454             David Sherwood  <david.sherwood@arm.com>
2455
2456         * optabs.c (expand_float): Explicitly check for scalars before
2457         using a branching expansion.
2458         (expand_fix): Likewise.
2459
2460 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2461             Alan Hayward  <alan.hayward@arm.com>
2462             David Sherwood  <david.sherwood@arm.com>
2463
2464         * expr.c (convert_mode): Split scalar handling out into...
2465         (convert_mode_scalar): ...this new function.  Treat the modes
2466         as scalar_modes.
2467
2468 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2469             Alan Hayward  <alan.hayward@arm.com>
2470             David Sherwood  <david.sherwood@arm.com>
2471
2472         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
2473         and scalar_mode.
2474         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
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         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
2481         rather than a machine_mode.
2482         (fixed_from_string): Likewise.
2483         (fixed_convert): Likewise.
2484         (fixed_convert_from_int): Likewise.
2485         (fixed_convert_from_real): Likewise.
2486         (real_convert_from_fixed): Likewise.
2487         * fixed-value.c (fixed_from_double_int): Likewise.
2488         (fixed_from_string): Likewise.
2489         (fixed_convert): Likewise.
2490         (fixed_convert_from_int): Likewise.
2491         (fixed_convert_from_real): Likewise.
2492         (real_convert_from_fixed): Likewise.
2493         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
2494
2495 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2496             Alan Hayward  <alan.hayward@arm.com>
2497             David Sherwood  <david.sherwood@arm.com>
2498
2499         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
2500         of separate mode class checks.  Do not allow vector modes here.
2501         (immed_wide_int_const): Use as_a <scalar_mode>.
2502         * explow.c (trunc_int_for_mode): Likewise.
2503         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
2504         (wi::shwi): Likewise.
2505         (wi::min_value): Likewise.
2506         (wi::max_value): Likewise.
2507         * dwarf2out.c (loc_descriptor): Likewise.
2508         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
2509         for CONST_WIDE_INT.
2510
2511 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2512             Alan Hayward  <alan.hayward@arm.com>
2513             David Sherwood  <david.sherwood@arm.com>
2514
2515         * tree.h (SCALAR_TYPE_MODE): New macro.
2516         * expr.c (expand_expr_addr_expr_1): Use it.
2517         (expand_expr_real_2): Likewise.
2518         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
2519         (fold_convert_const_fixed_from_int): Likewise.
2520         (fold_convert_const_fixed_from_real): Likewise.
2521         (native_encode_fixed): Likewise
2522         (native_encode_complex): Likewise
2523         (native_encode_vector): Likewise.
2524         (native_interpret_fixed): Likewise.
2525         (native_interpret_real): Likewise.
2526         (native_interpret_complex): Likewise.
2527         (native_interpret_vector): Likewise.
2528         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
2529         (simd_clone_adjust_argument_types): Likewise.
2530         (simd_clone_init_simd_arrays): Likewise.
2531         (simd_clone_adjust): Likewise.
2532         * stor-layout.c (layout_type): Likewise.
2533         * tree.c (build_minus_one_cst): Likewise.
2534         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
2535         * tree-inline.c (estimate_move_cost): Likewise.
2536         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
2537         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
2538         (vectorizable_reduction): Likewise.
2539         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
2540         (vect_recog_mixed_size_cond_pattern): Likewise.
2541         (check_bool_pattern): Likewise.
2542         (adjust_bool_pattern): Likewise.
2543         (search_type_for_mask_1): Likewise.
2544         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
2545         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2546         (vectorizable_load): Likewise.
2547         (vectorizable_store): Likewise.
2548         * ubsan.c (ubsan_encode_value): Likewise.
2549         * varasm.c (output_constant): Likewise.
2550
2551 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2552             Alan Hayward  <alan.hayward@arm.com>
2553             David Sherwood  <david.sherwood@arm.com>
2554
2555         * coretypes.h (scalar_mode): New class.
2556         * machmode.h (scalar_mode): Likewise.
2557         (scalar_mode::includes_p): New function.
2558         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
2559         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
2560         * genmodes.c (get_mode_class): Handle remaining scalar modes.
2561         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
2562         * expmed.c (store_bit_field_1): Likewise.
2563         (extract_bit_field_1): Likewise.
2564         * expr.c (write_complex_part): Likewise.
2565         (read_complex_part): Likewise.
2566         (emit_move_complex_push): Likewise.
2567         (expand_expr_real_2): Likewise.
2568         * function.c (assign_parm_setup_reg): Likewise.
2569         (assign_parms_unsplit_complex): Likewise.
2570         * optabs.c (expand_binop): Likewise.
2571         * rtlanal.c (subreg_get_info): Likewise.
2572         * simplify-rtx.c (simplify_immed_subreg): Likewise.
2573         * varasm.c (output_constant_pool_2): Likewise.
2574
2575 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2576             Alan Hayward  <alan.hayward@arm.com>
2577             David Sherwood  <david.sherwood@arm.com>
2578
2579         * expmed.c (extract_high_half): Use scalar_int_mode and remove
2580         assertion.
2581         (expmed_mult_highpart_optab): Likewise.
2582         (expmed_mult_highpart): Likewise.
2583
2584 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2585             Alan Hayward  <alan.hayward@arm.com>
2586             David Sherwood  <david.sherwood@arm.com>
2587
2588         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
2589         instead of a machine_mode.
2590         (builtin_memset_read_str): Likewise.
2591         * builtins.c (c_readstr): Likewise.
2592         (builtin_memcpy_read_str): Likewise.
2593         (builtin_strncpy_read_str): Likewise.
2594         (builtin_memset_read_str): Likewise.
2595         (builtin_memset_gen_str): Likewise.
2596         (expand_builtin_signbit): Use scalar_int_mode for local variables.
2597         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
2598         instead of a machine_mode.
2599         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
2600         variables.
2601         (make_extraction): Likewise.
2602         (try_widen_shift_mode): Take and return scalar_int_modes instead
2603         of machine_modes.
2604         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
2605         a scalar_int_mode instead of a machine_mode.
2606         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
2607         (avr_addr_space_pointer_mode): Likewise.
2608         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
2609         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
2610         (msp430_unwind_word_mode): Likewise.
2611         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
2612         (spu_addr_space_pointer_mode): Likewise.
2613         (spu_addr_space_address_mode): Likewise.
2614         (spu_libgcc_cmp_return_mode): Likewise.
2615         (spu_libgcc_shift_count_mode): Likewise.
2616         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
2617         (rl78_addr_space_pointer_mode): Likewise.
2618         (fl78_unwind_word_mode): Likewise.
2619         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
2620         machine_mode.
2621         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
2622         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
2623         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
2624         (mips_valid_pointer_mode): Likewise.
2625         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
2626         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
2627         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
2628         of a machine_mode.
2629         (ft32_addr_space_address_mode): Likewise.
2630         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
2631         scalar_int_mode instead of a machine_mode.
2632         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
2633         of a machine_mode.
2634         (m32c_addr_space_address_mode): Likewise.
2635         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
2636         (rs6000_eh_return_filter_mode): Likewise.
2637         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
2638         (rs6000_eh_return_filter_mode): Likewise.
2639         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
2640         (s390_libgcc_shift_count_mode): Likewise.
2641         (s390_unwind_word_mode): Likewise.
2642         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
2643         machine_mode.
2644         * target.def (mode_rep_extended): Likewise.
2645         (valid_pointer_mode): Likewise.
2646         (addr_space.valid_pointer_mode): Likewise.
2647         (eh_return_filter_mode): Return a scalar_int_mode rather than
2648         a machine_mode.
2649         (libgcc_cmp_return_mode): Likewise.
2650         (libgcc_shift_count_mode): Likewise.
2651         (unwind_word_mode): Likewise.
2652         (addr_space.pointer_mode): Likewise.
2653         (addr_space.address_mode): Likewise.
2654         * doc/tm.texi: Regenerate.
2655         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
2656         a machine_mode.
2657         (do_jump): Use scalar_int_mode for local variables.
2658         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
2659         rather than a machine_mode.
2660         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
2661         (scompare_loc_descriptor_wide): Likewise.
2662         (scompare_loc_descriptor_narrow): Likewise.
2663         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
2664         variables.
2665         * except.c (sjlj_emit_dispatch_table): Likewise.
2666         (expand_builtin_eh_copy_values): Likewise.
2667         * explow.c (convert_memory_address_addr_space_1): Likewise.
2668         Take a scalar_int_mode rather than a machine_mode.
2669         (convert_memory_address_addr_space): Take a scalar_int_mode rather
2670         than a machine_mode.
2671         (memory_address_addr_space): Use scalar_int_mode for local variables.
2672         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
2673         rather than a machine_mode.
2674         * expmed.c (mask_rtx): Likewise.
2675         (init_expmed_one_conv): Likewise.
2676         (expand_mult_highpart_adjust): Likewise.
2677         (extract_high_half): Likewise.
2678         (expmed_mult_highpart_optab): Likewise.
2679         (expmed_mult_highpart): Likewise.
2680         (expand_smod_pow2): Likewise.
2681         (expand_sdiv_pow2): Likewise.
2682         (emit_store_flag_int): Likewise.
2683         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
2684         variables.
2685         (extract_low_bits): Likewise.
2686         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
2687         a machine_mode.
2688         * expr.c (pieces_addr::adjust):  Likewise.
2689         (can_store_by_pieces): Likewise.
2690         (store_by_pieces): Likewise.
2691         (clear_by_pieces_1): Likewise.
2692         (expand_expr_addr_expr_1): Likewise.
2693         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
2694         (expand_expr_real_1): Likewise.
2695         (try_casesi): Likewise.
2696         * final.c (shorten_branches): Likewise.
2697         * fold-const.c (fold_convert_const_int_from_fixed): Change the
2698         type of "mode" to machine_mode.
2699         * internal-fn.c (expand_arith_overflow_result_store): Take a
2700         scalar_int_mode rather than a machine_mode.
2701         (expand_mul_overflow): Use scalar_int_mode for local variables.
2702         * loop-doloop.c (doloop_modify): Likewise.
2703         (doloop_optimize): Likewise.
2704         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
2705         than a machine_mode.
2706         (expand_doubleword_shift_condmove): Likewise.
2707         (expand_doubleword_shift): Likewise.
2708         (expand_doubleword_clz): Likewise.
2709         (expand_doubleword_popcount): Likewise.
2710         (expand_doubleword_parity): Likewise.
2711         (expand_absneg_bit): Use scalar_int_mode for local variables.
2712         (prepare_float_lib_cmp): Likewise.
2713         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
2714         rather than a machine_mode.
2715         (convert_memory_address_addr_space): Likewise.
2716         (get_mode_bounds): Likewise.
2717         (get_address_mode): Return a scalar_int_mode rather than a
2718         machine_mode.
2719         * rtlanal.c (get_address_mode): Likewise.
2720         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
2721         than a machine_mode.
2722         * targhooks.c (default_mode_rep_extended): Likewise.
2723         (default_valid_pointer_mode): Likewise.
2724         (default_addr_space_valid_pointer_mode): Likewise.
2725         (default_eh_return_filter_mode): Return a scalar_int_mode rather
2726         than a machine_mode.
2727         (default_libgcc_cmp_return_mode): Likewise.
2728         (default_libgcc_shift_count_mode): Likewise.
2729         (default_unwind_word_mode): Likewise.
2730         (default_addr_space_pointer_mode): Likewise.
2731         (default_addr_space_address_mode): Likewise.
2732         * targhooks.h (default_eh_return_filter_mode): Likewise.
2733         (default_libgcc_cmp_return_mode): Likewise.
2734         (default_libgcc_shift_count_mode): Likewise.
2735         (default_unwind_word_mode): Likewise.
2736         (default_addr_space_pointer_mode): Likewise.
2737         (default_addr_space_address_mode): Likewise.
2738         (default_mode_rep_extended): Take a scalar_int_mode rather than
2739         a machine_mode.
2740         (default_valid_pointer_mode): Likewise.
2741         (default_addr_space_valid_pointer_mode): Likewise.
2742         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
2743         local variables.
2744         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
2745         rather than a machine_mode.
2746         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
2747         for local variables.
2748         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2749         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
2750         than a machine_mode.
2751
2752 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2753             Alan Hayward  <alan.hayward@arm.com>
2754             David Sherwood  <david.sherwood@arm.com>
2755
2756         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
2757         the mode argument to scalar_int_mode.
2758         (do_jump_by_parts_zero_rtx): Likewise.
2759         (do_jump_by_parts_equality_rtx): Likewise.
2760         (do_jump_by_parts_greater): Take a mode argument.
2761         (do_jump_by_parts_equality): Likewise.
2762         (do_jump_1): Update calls accordingly.
2763
2764 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2765             Alan Hayward  <alan.hayward@arm.com>
2766             David Sherwood  <david.sherwood@arm.com>
2767
2768         * is-a.h (safe_dyn_cast): New function.
2769         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
2770         (jump_table_for_label): Likewise.
2771         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
2772         instead of an rtx_insn *.
2773         (shorten_branches): Use dyn_cast instead of LABEL_P and
2774         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
2775         rtx_jump_table_data::get_data_mode.
2776         (final_scan_insn): Likewise.
2777
2778 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2779             Alan Hayward  <alan.hayward@arm.com>
2780             David Sherwood  <david.sherwood@arm.com>
2781
2782         * combine.c (try_combine): Use is_a <scalar_int_mode> when
2783         trying to combine a full-register integer set with a subreg
2784         integer set.
2785
2786 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2787             Alan Hayward  <alan.hayward@arm.com>
2788             David Sherwood  <david.sherwood@arm.com>
2789
2790         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
2791         that is always either address_mode or pointer_mode.
2792
2793 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2794             Alan Hayward  <alan.hayward@arm.com>
2795             David Sherwood  <david.sherwood@arm.com>
2796
2797         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
2798         when the two are known to be equal.
2799
2800 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2801             Alan Hayward  <alan.hayward@arm.com>
2802             David Sherwood  <david.sherwood@arm.com>
2803
2804         * simplify-rtx.c (simplify_const_unary_operation): Use
2805         is_a <scalar_int_mode> instead of checking for a nonzero
2806         precision.  Forcibly convert op_mode to a scalar_int_mode
2807         in that case.  More clearly differentiate the operand and
2808         result modes and use the former when deciding what the value
2809         of a count-bits operation should be.  Use is_int_mode instead
2810         of checking for a MODE_INT.  Remove redundant check for whether
2811         this mode has a zero precision.
2812
2813 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2814             Alan Hayward  <alan.hayward@arm.com>
2815             David Sherwood  <david.sherwood@arm.com>
2816
2817         * optabs.c (widen_leading): Change the type of the mode argument
2818         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
2819         (widen_bswap): Likewise.
2820         (expand_parity): Likewise.
2821         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
2822         (expand_ffs): Likewise.
2823         (epand_unop): Check for scalar integer modes before calling the
2824         above routines.
2825
2826 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2827             Alan Hayward  <alan.hayward@arm.com>
2828             David Sherwood  <david.sherwood@arm.com>
2829
2830         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
2831         Expand commentary.
2832         (expand_expr_real_1): Update call accordingly.
2833
2834 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2835             Alan Hayward  <alan.hayward@arm.com>
2836             David Sherwood  <david.sherwood@arm.com>
2837
2838         * expmed.c (store_bit_field_using_insv): Add op0_mode and
2839         value_mode arguments.  Use scalar_int_mode internally.
2840         (store_bit_field_1): Rename the new integer mode from imode
2841         to op0_mode and use it instead of GET_MODE (op0).  Update calls
2842         to store_split_bit_field, store_bit_field_using_insv and
2843         store_fixed_bit_field.
2844         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
2845         Use scalar_int_mode internally.  Use a bit count rather than a mode
2846         when calculating the largest bit size for get_best_mode.
2847         Update calls to store_split_bit_field and store_fixed_bit_field_1.
2848         (store_fixed_bit_field_1): Add mode and value_mode arguments.
2849         Remove assertion that OP0 has a scalar integer mode.
2850         (store_split_bit_field): Add op0_mode and value_mode arguments.
2851         Update calls to extract_fixed_bit_field.
2852         (extract_bit_field_using_extv): Add an op0_mode argument.
2853         Use scalar_int_mode internally.
2854         (extract_bit_field_1): Rename the new integer mode from imode to
2855         op0_mode and use it instead of GET_MODE (op0).  Update calls to
2856         extract_split_bit_field, extract_bit_field_using_extv and
2857         extract_fixed_bit_field.
2858         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
2859         to extract_split_bit_field and extract_fixed_bit_field_1.
2860         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
2861         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
2862         on the target mode.
2863         (extract_split_bit_field): Add an op0_mode argument.  Update call
2864         to extract_fixed_bit_field.
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         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
2871         * explow.c (hard_function_value): Likewise.
2872         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
2873         convert_to_mode call outside the loop.
2874         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
2875         for the mode iterator.  Require the mode specified by max_pieces
2876         to exist.
2877         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
2878         mode iterator.
2879         (copy_blkmode_to_reg): Likewise.
2880         (set_storage_via_setmem): Likewise.
2881         * optabs.c (prepare_cmp_insn): Likewise.
2882         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2883         * stor-layout.c (finish_bitfield_representative): Likewise.
2884
2885 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2886             Alan Hayward  <alan.hayward@arm.com>
2887             David Sherwood  <david.sherwood@arm.com>
2888
2889         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
2890         * expr.c (convert_move): Use them.
2891         (convert_modes): Likewise.
2892         (store_expr_with_bounds): Likewise.
2893
2894 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2895             Alan Hayward  <alan.hayward@arm.com>
2896             David Sherwood  <david.sherwood@arm.com>
2897
2898         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
2899         parameter for the mode of "x".  Remove the "known_x", "known_mode"
2900         and "known_ret" arguments.  Change the type of the mode argument
2901         to scalar_int_mode.
2902         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
2903         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
2904         (reg_num_sign_bit_copies_for_combine): Likewise.
2905         * rtlanal.c (nonzero_bits1): Likewise.
2906         (num_sign_bit_copies1): Likewise.
2907         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
2908         (reg_num_sign_bit_copies_general): Likewise.
2909         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
2910         (reg_nonzero_bits_general): Likewise.
2911
2912 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2913             Alan Hayward  <alan.hayward@arm.com>
2914             David Sherwood  <david.sherwood@arm.com>
2915
2916         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
2917         than in subroutines.  Return 1 for non-integer modes.
2918         (cached_num_sign_bit_copies): Change the type of the mode parameter
2919         to scalar_int_mode.
2920         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
2921         classes.  Handle CONST_INT_P first and then check whether X also
2922         has a scalar integer mode.  Check the same thing for inner registers
2923         of a SUBREG and for values that are being extended or truncated.
2924
2925 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2926             Alan Hayward  <alan.hayward@arm.com>
2927             David Sherwood  <david.sherwood@arm.com>
2928
2929         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
2930         in subroutines.  Return the mode mask for non-integer modes.
2931         (cached_nonzero_bits): Change the type of the mode parameter
2932         to scalar_int_mode.
2933         (nonzero_bits1): Likewise.  Remove early exit for other mode
2934         classes.  Handle CONST_INT_P first and then check whether X
2935         also has a scalar integer mode.
2936
2937 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2938             Alan Hayward  <alan.hayward@arm.com>
2939             David Sherwood  <david.sherwood@arm.com>
2940
2941         * expr.c (widest_int_mode_for_size): Make the comment match the code.
2942         Return a scalar_int_mode and assert that the size is greater than
2943         one byte.
2944         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
2945         (op_by_pieces_d::op_by_pieces_d): Likewise.
2946         (op_by_pieces_d::run): Likewise.
2947         (can_store_by_pieces): Likewise.
2948
2949 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2950             Alan Hayward  <alan.hayward@arm.com>
2951             David Sherwood  <david.sherwood@arm.com>
2952
2953         * combine.c (extract_left_shift): Add a mode argument and update
2954         recursive calls.
2955         (make_compound_operation_int): Change the type of the mode parameter
2956         to scalar_int_mode and update the call to extract_left_shift.
2957
2958 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2959             Alan Hayward  <alan.hayward@arm.com>
2960             David Sherwood  <david.sherwood@arm.com>
2961
2962         * combine.c (simplify_and_const_int): Change the type of the mode
2963         parameter to scalar_int_mode.
2964         (simplify_and_const_int_1): Likewise.  Update recursive call.
2965
2966 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2967             Alan Hayward  <alan.hayward@arm.com>
2968             David Sherwood  <david.sherwood@arm.com>
2969
2970         * combine.c (simplify_compare_const): Check that the mode is a
2971         scalar_int_mode (rather than VOIDmode) before testing its
2972         precision.
2973         (simplify_comparison): Move COMPARISON_P handling out of the
2974         loop and restrict the latter part of the loop to scalar_int_modes.
2975         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
2976         and when considering SUBREG_REGs.  Use is_int_mode instead of
2977         checking GET_MODE_CLASS against MODE_INT.
2978
2979 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2980             Alan Hayward  <alan.hayward@arm.com>
2981             David Sherwood  <david.sherwood@arm.com>
2982
2983         * combine.c (try_widen_shift_mode): Move check for equal modes to...
2984         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
2985         shift_unit_mode and for modes involved in scalar shifts.
2986
2987 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2988             Alan Hayward  <alan.hayward@arm.com>
2989             David Sherwood  <david.sherwood@arm.com>
2990
2991         * combine.c (force_int_to_mode): New function, split out from...
2992         (force_to_mode): ...here.  Keep xmode up-to-date and use it
2993         instead of GET_MODE (x).
2994
2995 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2996             Alan Hayward  <alan.hayward@arm.com>
2997             David Sherwood  <david.sherwood@arm.com>
2998
2999         * optabs-query.h (extraction_insn::struct_mode): Change type to
3000         opt_scalar_int_mode and update comment.
3001         (extraction_insn::field_mode): Change type to scalar_int_mode.
3002         (extraction_insn::pos_mode): Likewise.
3003         * combine.c (make_extraction): Update accordingly.
3004         * optabs-query.c (get_traditional_extraction_insn): Likewise.
3005         (get_optab_extraction_insn): Likewise.
3006         * recog.c (simplify_while_replacing): Likewise.
3007         * expmed.c (narrow_bit_field_mem): Change the type of the mode
3008         parameter to opt_scalar_int_mode.
3009
3010 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3011             Alan Hayward  <alan.hayward@arm.com>
3012             David Sherwood  <david.sherwood@arm.com>
3013
3014         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
3015         to a scalar_int_mode instead of a machine_mode.
3016         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
3017         (get_best_mode): Return a boolean and use a pointer argument to store
3018         the selected mode.  Replace the limit mode parameter with a bit limit.
3019         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
3020         for the values returned by bit_field_mode_iterator::next_mode.
3021         (store_bit_field): Update call to get_best_mode.
3022         (store_fixed_bit_field): Likewise.
3023         (extract_fixed_bit_field): Likewise.
3024         * expr.c (optimize_bitfield_assignment_op): Likewise.
3025         * fold-const.c (optimize_bit_field_compare): Likewise.
3026         (fold_truth_andor_1): Likewise.
3027         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
3028         Update for new type of m_mode.
3029         (get_best_mode): As above.
3030
3031 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3032             Alan Hayward  <alan.hayward@arm.com>
3033             David Sherwood  <david.sherwood@arm.com>
3034
3035         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
3036         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
3037         (store_bit_field): Check is_a <scalar_int_mode> before calling
3038         strict_volatile_bitfield_p.
3039         (extract_bit_field): Likewise.
3040
3041 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3042             Alan Hayward  <alan.hayward@arm.com>
3043             David Sherwood  <david.sherwood@arm.com>
3044
3045         * target.def (cstore_mode): Return a scalar_int_mode.
3046         * doc/tm.texi: Regenerate.
3047         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
3048         * targhooks.h (default_cstore_mode): Likewise.
3049         * targhooks.c (default_cstore_mode): Likewise, using a forced
3050         conversion.
3051         * expmed.c (emit_cstore): Expect the target of the cstore to be
3052         a scalar_int_mode.
3053
3054 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3055             Alan Hayward  <alan.hayward@arm.com>
3056             David Sherwood  <david.sherwood@arm.com>
3057
3058         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
3059         scalar_int_mode.
3060         (niter_desc): Likewise mode.
3061         (iv_analyze): Add a mode parameter.
3062         (biv_p): Likewise.
3063         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
3064         and change its type to scalar_int_mode.
3065         * loop-iv.c: Update commentary at head of file.
3066         (iv_constant): Pass the mode paraeter before the rtx it describes
3067         and change its type to scalar_int_mode.  Remove VOIDmode handling.
3068         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
3069         (iv_extend): Likewise.
3070         (shorten_into_mode): Likewise.
3071         (iv_add): Use scalar_int_mode.
3072         (iv_mult): Likewise.
3073         (iv_shift): Likewise.
3074         (canonicalize_iv_subregs): Likewise.
3075         (get_biv_step_1): Pass the outer_mode parameter before the rtx
3076         it describes and change its mode to scalar_int_mode.   Also change
3077         the type of the returned inner_mode to scalar_int_mode.
3078         (get_biv_step): Likewise, turning outer_mode from a pointer
3079         into a direct parameter.  Update call to get_biv_step_1.
3080         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
3081         iv_constant and get_biv_step.
3082         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
3083         and change its type to scalar_int_mode.  Don't initialise iv->mode
3084         to VOIDmode and remove later checks for its still being VOIDmode.
3085         Update calls to iv_analyze_op and iv_analyze_expr.  Check
3086         is_a <scalar_int_mode> when changing the mode under consideration.
3087         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
3088         Update call to iv_analyze_expr.
3089         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
3090         inner register is not also a scalar_int_mode.  Update call to
3091         iv_analyze_biv.
3092         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
3093         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
3094         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
3095         separate mode class checks.  Update calls to iv_analyze.  Remove
3096         fix-up of VOIDmodes after iv_analyze_biv.
3097         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
3098         don't have a scalar_int_mode.  Update call to biv_p.
3099
3100 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3101             Alan Hayward  <alan.hayward@arm.com>
3102             David Sherwood  <david.sherwood@arm.com>
3103
3104         * cfgexpand.c (convert_debug_memory_address): Use
3105         as_a <scalar_int_mode>.
3106         * combine.c (expand_compound_operation): Likewise.
3107         (make_extraction): Likewise.
3108         (change_zero_ext): Likewise.
3109         (simplify_comparison): Likewise.
3110         * cse.c (cse_insn): Likewise.
3111         * dwarf2out.c (minmax_loc_descriptor): Likewise.
3112         (mem_loc_descriptor): Likewise.
3113         (loc_descriptor): Likewise.
3114         * expmed.c (init_expmed_one_mode): Likewise.
3115         (synth_mult): Likewise.
3116         (emit_store_flag_1): Likewise.
3117         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
3118         of a comparison with size.
3119         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
3120         (reduce_to_bit_field_precision): Likewise.
3121         * function.c (expand_function_end): Likewise.
3122         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
3123         * loop-doloop.c (doloop_modify): Likewise.
3124         * optabs.c (expand_binop): Likewise.
3125         (expand_unop): Likewise.
3126         (expand_copysign_absneg): Likewise.
3127         (prepare_cmp_insn): Likewise.
3128         (maybe_legitimize_operand): Likewise.
3129         * recog.c (const_scalar_int_operand): Likewise.
3130         * rtlanal.c (get_address_mode): Likewise.
3131         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3132         (simplify_cond_clz_ctz): Likewise.
3133         * tree-nested.c (get_nl_goto_field): Likewise.
3134         * tree.c (build_vector_type_for_mode): Likewise.
3135         * var-tracking.c (use_narrower_mode): Likewise.
3136
3137 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3138             Alan Hayward  <alan.hayward@arm.com>
3139             David Sherwood  <david.sherwood@arm.com>
3140
3141         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
3142         * builtins.c (expand_builtin_signbit): Use it.
3143         * cfgexpand.c (expand_debug_expr): Likewise.
3144         * dojump.c (do_jump): Likewise.
3145         (do_compare_and_jump): Likewise.
3146         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
3147         * expmed.c (make_tree): Likewise.
3148         * expr.c (expand_expr_real_2): Likewise.
3149         (expand_expr_real_1): Likewise.
3150         (try_casesi): Likewise.
3151         * fold-const-call.c (fold_const_call_ss): Likewise.
3152         * fold-const.c (unextend): Likewise.
3153         (extract_muldiv_1): Likewise.
3154         (fold_single_bit_test): Likewise.
3155         (native_encode_int): Likewise.
3156         (native_encode_string): Likewise.
3157         (native_interpret_int): Likewise.
3158         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
3159         * internal-fn.c (expand_addsub_overflow): Likewise.
3160         (expand_neg_overflow): Likewise.
3161         (expand_mul_overflow): Likewise.
3162         (expand_arith_overflow): Likewise.
3163         * match.pd: Likewise.
3164         * stor-layout.c (layout_type): Likewise.
3165         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
3166         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
3167         * tree-ssanames.c (get_range_info): Likewise.
3168         * tree-switch-conversion.c (array_value_type) Likewise.
3169         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
3170         (vect_recog_divmod_pattern): Likewise.
3171         (vect_recog_mixed_size_cond_pattern): Likewise.
3172         * tree-vrp.c (extract_range_basic): Likewise.
3173         (simplify_float_conversion_using_ranges): Likewise.
3174         * tree.c (int_fits_type_p): Likewise.
3175         * ubsan.c (instrument_bool_enum_load): Likewise.
3176         * varasm.c (mergeable_string_section): Likewise.
3177         (narrowing_initializer_constant_valid_p): Likewise.
3178         (output_constant): Likewise.
3179
3180 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3181             Alan Hayward  <alan.hayward@arm.com>
3182             David Sherwood  <david.sherwood@arm.com>
3183
3184         * machmode.h (NARROWEST_INT_MODE): New macro.
3185         * expr.c (alignment_for_piecewise_move): Use it instead of
3186         GET_CLASS_NARROWEST_MODE (MODE_INT).
3187         (push_block): Likewise.
3188         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
3189         Likewise.
3190         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3191
3192 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3193             Alan Hayward  <alan.hayward@arm.com>
3194             David Sherwood  <david.sherwood@arm.com>
3195
3196         * postreload.c (move2add_valid_value_p): Change the type of the
3197         mode parameter to scalar_int_mode.
3198         (move2add_use_add2_insn): Add a mode parameter and use it instead
3199         of GET_MODE (reg).
3200         (move2add_use_add3_insn): Likewise.
3201         (reload_cse_move2add): Update accordingly.
3202
3203 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3204             Alan Hayward  <alan.hayward@arm.com>
3205             David Sherwood  <david.sherwood@arm.com>
3206
3207         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
3208         double-word mode.
3209         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
3210         * optabs.c (expand_unop): Likewise.
3211
3212 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3213             Alan Hayward  <alan.hayward@arm.com>
3214             David Sherwood  <david.sherwood@arm.com>
3215
3216         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
3217         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
3218         (popcount_loc_descriptor): Likewise.
3219         (bswap_loc_descriptor): Likewise.
3220         (rotate_loc_descriptor): Likewise.
3221         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
3222         calling the functions above.
3223
3224 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3225             Alan Hayward  <alan.hayward@arm.com>
3226             David Sherwood  <david.sherwood@arm.com>
3227
3228         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
3229         checks.
3230         (try_combine): Likewise.
3231         (simplify_if_then_else): Likewise.
3232         * cse.c (cse_insn): Likewise.
3233         * dwarf2out.c (mem_loc_descriptor): Likewise.
3234         * emit-rtl.c (gen_lowpart_common): Likewise.
3235         * simplify-rtx.c (simplify_truncation): Likewise.
3236         (simplify_binary_operation_1): Likewise.
3237         (simplify_const_relational_operation): Likewise.
3238         (simplify_ternary_operation): Likewise.
3239         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3240
3241 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3242             Alan Hayward  <alan.hayward@arm.com>
3243             David Sherwood  <david.sherwood@arm.com>
3244
3245         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
3246         * reload.c (push_reload): Likewise.
3247         (find_reloads): Likewise.
3248
3249 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3250             Alan Hayward  <alan.hayward@arm.com>
3251             David Sherwood  <david.sherwood@arm.com>
3252
3253         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
3254         (make_compound_operation_int): Likewise.
3255         (change_zero_ext): Likewise.
3256         * expr.c (convert_move): Likewise.
3257         (convert_modes): Likewise.
3258         * fwprop.c (forward_propagate_subreg): Likewise.
3259         * loop-iv.c (get_biv_step_1): Likewise.
3260         * optabs.c (widen_operand): Likewise.
3261         * postreload.c (move2add_valid_value_p): Likewise.
3262         * recog.c (simplify_while_replacing): Likewise.
3263         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3264         (simplify_binary_operation_1): Likewise.  Remove redundant
3265         mode equality check.
3266
3267 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3268             Alan Hayward  <alan.hayward@arm.com>
3269             David Sherwood  <david.sherwood@arm.com>
3270
3271         * combine.c (combine_simplify_rtx): Add checks for
3272         is_a <scalar_int_mode>.
3273         (simplify_if_then_else): Likewise.
3274         (make_field_assignment): Likewise.
3275         (simplify_comparison): Likewise.
3276         * ifcvt.c (noce_try_bitop): Likewise.
3277         * loop-invariant.c (canonicalize_address_mult): Likewise.
3278         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3279
3280 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3281             Alan Hayward  <alan.hayward@arm.com>
3282             David Sherwood  <david.sherwood@arm.com>
3283
3284         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
3285         is_a <scalar_int_mode> instead of != BLKmode.
3286
3287 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3288             Alan Hayward  <alan.hayward@arm.com>
3289             David Sherwood  <david.sherwood@arm.com>
3290
3291         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
3292         instead of != VOIDmode.
3293         * combine.c (if_then_else_cond): Likewise.
3294         (change_zero_ext): Likewise.
3295         * dwarf2out.c (mem_loc_descriptor): Likewise.
3296         (loc_descriptor): Likewise.
3297         * rtlanal.c (canonicalize_condition): Likewise.
3298         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
3299
3300 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3301             Alan Hayward  <alan.hayward@arm.com>
3302             David Sherwood  <david.sherwood@arm.com>
3303
3304         * simplify-rtx.c (simplify_binary_operation_1): Use
3305         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
3306
3307 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3308             Alan Hayward  <alan.hayward@arm.com>
3309             David Sherwood  <david.sherwood@arm.com>
3310
3311         * wide-int.h (int_traits<unsigned char>) New class.
3312         (int_traits<unsigned short>) Likewise.
3313         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
3314         Use GET_MODE_UNIT_PRECISION and remove redundant test for
3315         SCALAR_INT_MODE_P.
3316         * combine.c (set_nonzero_bits_and_sign_copies): Use
3317         is_a <scalar_int_mode>.
3318         (find_split_point): Likewise.
3319         (combine_simplify_rtx): Likewise.
3320         (simplify_logical): Likewise.
3321         (expand_compound_operation): Likewise.
3322         (expand_field_assignment): Likewise.
3323         (make_compound_operation): Likewise.
3324         (extended_count): Likewise.
3325         (change_zero_ext): Likewise.
3326         (simplify_comparison): Likewise.
3327         * dwarf2out.c (scompare_loc_descriptor): Likewise.
3328         (ucompare_loc_descriptor): Likewise.
3329         (minmax_loc_descriptor): Likewise.
3330         (mem_loc_descriptor): Likewise.
3331         (loc_descriptor): Likewise.
3332         * expmed.c (init_expmed_one_mode): Likewise.
3333         * lra-constraints.c (lra_constraint_offset): Likewise.
3334         * optabs.c (prepare_libcall_arg): Likewise.
3335         * postreload.c (move2add_note_store): Likewise.
3336         * reload.c (operands_match_p): Likewise.
3337         * rtl.h (load_extend_op): Likewise.
3338         * rtlhooks.c (gen_lowpart_general): Likewise.
3339         * simplify-rtx.c (simplify_truncation): Likewise.
3340         (simplify_unary_operation_1): Likewise.
3341         (simplify_binary_operation_1): Likewise.
3342         (simplify_const_binary_operation): Likewise.
3343         (simplify_const_relational_operation): Likewise.
3344         (simplify_subreg): Likewise.
3345         * stor-layout.c (bitwise_mode_for_mode): Likewise.
3346         * var-tracking.c (adjust_mems): Likewise.
3347         (prepare_call_arguments): Likewise.
3348
3349 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3350             Alan Hayward  <alan.hayward@arm.com>
3351             David Sherwood  <david.sherwood@arm.com>
3352
3353         * machmode.h (is_int_mode): New fuction.
3354         * combine.c (find_split_point): Use it.
3355         (combine_simplify_rtx): Likewise.
3356         (simplify_if_then_else): Likewise.
3357         (simplify_set): Likewise.
3358         (simplify_shift_const_1): Likewise.
3359         (simplify_comparison): Likewise.
3360         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
3361         * cse.c (notreg_cost): Likewise.
3362         (cse_insn): Likewise.
3363         * cselib.c (cselib_lookup_1): Likewise.
3364         * dojump.c (do_jump_1): Likewise.
3365         (do_compare_rtx_and_jump): Likewise.
3366         * dse.c (get_call_args): Likewise.
3367         * dwarf2out.c (rtl_for_decl_init): Likewise.
3368         (native_encode_initializer): Likewise.
3369         * expmed.c (emit_store_flag_1): Likewise.
3370         (emit_store_flag): Likewise.
3371         * expr.c (convert_modes): Likewise.
3372         (store_field): Likewise.
3373         (expand_expr_real_1): Likewise.
3374         * fold-const.c (fold_read_from_constant_string): Likewise.
3375         * gimple-ssa-sprintf.c (get_format_string): Likewise.
3376         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
3377         * optabs.c (expand_binop): Likewise.
3378         (expand_unop): Likewise.
3379         (expand_abs_nojump): Likewise.
3380         (expand_one_cmpl_abs_nojump): Likewise.
3381         * simplify-rtx.c (mode_signbit_p): Likewise.
3382         (val_signbit_p): Likewise.
3383         (val_signbit_known_set_p): Likewise.
3384         (val_signbit_known_clear_p): Likewise.
3385         (simplify_relational_operation_1): Likewise.
3386         * tree.c (vector_type_mode): Likewise.
3387
3388 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3389             Alan Hayward  <alan.hayward@arm.com>
3390             David Sherwood  <david.sherwood@arm.com>
3391
3392         * machmode.h (smallest_mode_for_size): Fix formatting.
3393         (smallest_int_mode_for_size): New function.
3394         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
3395         instead of smallest_mode_for_size.
3396         * combine.c (make_extraction): Likewise.
3397         * config/arc/arc.c (arc_expand_movmem): Likewise.
3398         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
3399         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
3400         * config/s390/s390.c (s390_expand_insv): Likewise.
3401         * config/sparc/sparc.c (assign_int_registers): Likewise.
3402         * config/spu/spu.c (spu_function_value): Likewise.
3403         (spu_function_arg): Likewise.
3404         * coverage.c (get_gcov_type): Likewise.
3405         (get_gcov_unsigned_t): Likewise.
3406         * dse.c (find_shift_sequence): Likewise.
3407         * expmed.c (store_bit_field_1): Likewise.
3408         * expr.c (convert_move): Likewise.
3409         (store_field): Likewise.
3410         * internal-fn.c (expand_arith_overflow): Likewise.
3411         * optabs-query.c (get_best_extraction_insn): Likewise.
3412         * optabs.c (expand_twoval_binop_libfunc): Likewise.
3413         * stor-layout.c (layout_type): Likewise.
3414         (initialize_sizetypes): Likewise.
3415         * targhooks.c (default_get_mask_mode): Likewise.
3416         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
3417
3418 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3419             Alan Hayward  <alan.hayward@arm.com>
3420             David Sherwood  <david.sherwood@arm.com>
3421
3422         * machmode.h (opt_mode::else_blk): New function.
3423         (int_mode_for_mode): Declare.
3424         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
3425         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
3426         return type.
3427         * cfgexpand.c (expand_debug_expr): Likewise.
3428         * combine.c (gen_lowpart_or_truncate): Likewise.
3429         (gen_lowpart_for_combine): Likewise.
3430         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
3431         * config/avr/avr.c (avr_to_int_mode): Likewise.
3432         (avr_out_plus_1): Likewise.
3433         (avr_out_plus): Likewise.
3434         (avr_out_round): Likewise.
3435         * config/i386/i386.c (ix86_split_to_parts): Likewise.
3436         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
3437         (s390_expand_vcond): Likewise.
3438         * config/spu/spu.c (spu_split_immediate): Likewise.
3439         (spu_expand_mov): Likewise.
3440         * dse.c (get_stored_val): Likewise.
3441         * expmed.c (store_bit_field_1): Likewise.
3442         (convert_extracted_bit_field): Use int_mode_for_mode instead of
3443         int_mode_for_size.
3444         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
3445         (extract_low_bits): Likewise.
3446         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
3447         handling rather than repeating the check.
3448         (emit_group_store): Likewise.
3449         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
3450         * optabs.c (expand_absneg_bit): Likewise.
3451         (expand_copysign_absneg): Likewise.
3452         (expand_copysign_bit): Likewise.
3453         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
3454         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
3455         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
3456         * var-tracking.c (prepare_call_arguments):  Likewise.
3457         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
3458         int_mode_for_mode instead of mode_for_size.
3459         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
3460
3461 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3462             Alan Hayward  <alan.hayward@arm.com>
3463             David Sherwood  <david.sherwood@arm.com>
3464
3465         * machmode.h (int_mode_for_size): New function.
3466         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
3467         instead of mode_for_size.
3468         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
3469         explicit.
3470         * combine.c (expand_field_assignment): Use int_mode_for_size
3471         instead of mode_for_size.
3472         (make_extraction): Likewise.
3473         (simplify_shift_const_1): Likewise.
3474         (simplify_comparison): Likewise.
3475         * dojump.c (do_jump): Likewise.
3476         * dwarf2out.c (mem_loc_descriptor): Likewise.
3477         * emit-rtl.c (init_derived_machine_modes): Likewise.
3478         * expmed.c (flip_storage_order): Likewise.
3479         (convert_extracted_bit_field): Likewise.
3480         * expr.c (copy_blkmode_from_reg): Likewise.
3481         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
3482         * internal-fn.c (expand_mul_overflow): Likewise.
3483         * lower-subreg.c (simple_move): Likewise.
3484         * optabs-libfuncs.c (init_optabs): Likewise.
3485         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3486         * tree.c (vector_type_mode): Likewise.
3487         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
3488         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
3489         * tree-vect-generic.c (expand_vector_parallel): Likewise.
3490         * tree-vect-stmts.c (vectorizable_load): Likewise.
3491         (vectorizable_store): Likewise.
3492
3493 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3494             Alan Hayward  <alan.hayward@arm.com>
3495             David Sherwood  <david.sherwood@arm.com>
3496
3497         * coretypes.h (pod_mode): New type.
3498         (scalar_int_mode_pod): New typedef.
3499         * machmode.h (pod_mode): New class.
3500         (int_n_data_t::m): Change type to scalar_int_mode_pod.
3501         * genmodes.c (emit_mode_int_n): Update accordingly.
3502         * lower-subreg.h (target_lower_subreg): Change type to
3503         scalar_int_mode_pod.
3504         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
3505         scalar_int_mode_pod.
3506
3507 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3508             Alan Hayward  <alan.hayward@arm.com>
3509             David Sherwood  <david.sherwood@arm.com>
3510
3511         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
3512         machine_mode to scalar_int_mode.
3513         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
3514         (rs6000_option_override_internal): Remove cast to int.
3515         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
3516         machine_mode to scalar_int_mode.
3517         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
3518         (rs6000_option_override_internal): Remove cast to int.
3519         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
3520         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
3521         to machine_mode.
3522         * config/s390/s390.c (s390_expand_builtin): Likewise.
3523         * coretypes.h (scalar_int_mode): New type.
3524         (opt_scalar_int_mode): New typedef.
3525         * machmode.h (scalar_int_mode): New class.
3526         (scalar_int_mode::includes_p): New function.
3527         (byte_mode): Change type to scalar_int_mode.
3528         (word_mode): Likewise.
3529         (ptr_mode): Likewise.
3530         * emit-rtl.c (byte_mode): Likewise.
3531         (word_mode): Likewise.
3532         (ptr_mode): Likewise.
3533         (init_derived_machine_modes): Update accordingly.
3534         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
3535         and MODE_PARTIAL_INT.
3536         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
3537         opt_scalar_int_mode.
3538
3539 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3540             Alan Hayward  <alan.hayward@arm.com>
3541             David Sherwood  <david.sherwood@arm.com>
3542
3543         * target.def (libgcc_floating_mode_supported_p): Take a
3544         scalar_float_mode.
3545         * doc/tm.texi: Regenerate.
3546         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
3547         scalar_float_mode.
3548         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
3549         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
3550         Likewise.
3551
3552 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3553             Alan Hayward  <alan.hayward@arm.com>
3554             David Sherwood  <david.sherwood@arm.com>
3555
3556         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
3557         * doc/tm.texi: Regenerate.
3558         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
3559         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
3560         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
3561         * targhooks.h (default_floatn_mode): Likewise.
3562         * targhooks.c (default_floatn_mode): Likewise.
3563         * tree.c (build_common_tree_nodes): Update accordingly.
3564
3565 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3566             Alan Hayward  <alan.hayward@arm.com>
3567             David Sherwood  <david.sherwood@arm.com>
3568
3569         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
3570         (mode_iterator::iterate_p): Likewise.
3571         (mode_iterator::get_wider): Likewise.
3572         * expr.c (init_expr_target): Use opt_scalar_float_mode.
3573
3574 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3575             Alan Hayward  <alan.hayward@arm.com>
3576             David Sherwood  <david.sherwood@arm.com>
3577
3578         * coretypes.h (opt_scalar_float_mode): New typedef.
3579         * machmode.h (float_mode_for_size): New function.
3580         * emit-rtl.c (double_mode): Delete.
3581         (init_emit_once): Use float_mode_for_size.
3582         * stor-layout.c (layout_type): Likewise.
3583         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
3584
3585 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3586             Alan Hayward  <alan.hayward@arm.com>
3587             David Sherwood  <david.sherwood@arm.com>
3588
3589         * output.h (assemble_real): Take a scalar_float_mode.
3590         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
3591         * config/arm/arm.md (consttable_4): Likewise.
3592         (consttable_8): Likewise.
3593         (consttable_16): Likewise.
3594         * config/mips/mips.md (consttable_float): Likewise.
3595         * config/s390/s390.c (s390_output_pool_entry): Likewise.
3596         * varasm.c (assemble_real): Take a scalar_float_mode.
3597         (output_constant_pool_2): Update accordingly.
3598         (output_constant): Likewise.
3599
3600 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3601             Alan Hayward  <alan.hayward@arm.com>
3602             David Sherwood  <david.sherwood@arm.com>
3603
3604         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
3605         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
3606         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
3607         (native_encode_real): Likewise.
3608         (native_interpret_real): Likewise.
3609         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
3610         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3611
3612 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3613             Alan Hayward  <alan.hayward@arm.com>
3614             David Sherwood  <david.sherwood@arm.com>
3615
3616         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
3617         <scalar_float_mode>.  Simplify.
3618         (gen_extend_conv_libfunc): Likewise.
3619
3620 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3621             Alan Hayward  <alan.hayward@arm.com>
3622             David Sherwood  <david.sherwood@arm.com>
3623
3624         * coretypes.h (scalar_float_mode): New type.
3625         * machmode.h (mode_traits::from_int): Use machine_mode if
3626         USE_ENUM_MODES is defined.
3627         (is_a): New function.
3628         (as_a): Likewise.
3629         (dyn_cast): Likewise.
3630         (scalar_float_mode): New class.
3631         (scalar_float_mode::includes_p): New function.
3632         (is_float_mode): Likewise.
3633         * gdbhooks.py (MachineModePrinter): New class.
3634         (build_pretty_printer): Use it for scalar_float_mode.
3635         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
3636         (format_helper::format_helper): Turn into a template.
3637         * genmodes.c (get_mode_class): New function.
3638         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
3639         or machine_mode if none.
3640         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
3641         as_a <scalar_float_mode>.
3642         * dwarf2out.c (mem_loc_descriptor): Likewise.
3643         (insert_float): Likewise.
3644         (add_const_value_attribute): Likewise.
3645         * simplify-rtx.c (simplify_immed_subreg): Likewise.
3646         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
3647         (expand_unop): Update accordingly.
3648         (expand_abs_nojump): Likewise.
3649         (expand_copysign_absneg): Take a scalar_float_mode.
3650         (expand_copysign_bit): Likewise.
3651         (expand_copysign): Update accordingly.
3652
3653 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3654             Alan Hayward  <alan.hayward@arm.com>
3655             David Sherwood  <david.sherwood@arm.com>
3656
3657         * coretypes.h (opt_mode): New class.
3658         * machmode.h (opt_mode): Likewise.
3659         (opt_mode::else_void): New function.
3660         (opt_mode::require): Likewise.
3661         (opt_mode::exists): Likewise.
3662         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
3663         (GET_MODE_2XWIDER_MODE): Likewise.
3664         (mode_iterator::get_wider): Update accordingly.
3665         (mode_iterator::get_2xwider): Likewise.
3666         (mode_iterator::get_known_wider): Likewise, turning into a template.
3667         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
3668         forcing a wider mode to exist.
3669         * config/cr16/cr16.h (LONG_REG_P): Likewise.
3670         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3671         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
3672         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
3673         * lower-subreg.c (init_lower_subreg): Likewise.
3674         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
3675         on the final iteration.
3676         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
3677         a wider mode exists before asking for a move pattern.
3678         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
3679         forcing a wider mode to exist.
3680         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
3681         returning false if no such mode exists.
3682         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
3683         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
3684         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
3685         Avoid checking for a MODE_INT if we already know the mode is not a
3686         SCALAR_INT_MODE_P.
3687         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
3688         forcing a wider mode to exist.
3689         (expmed_mult_highpart_optab): Likewise.
3690         (expmed_mult_highpart): Likewise.
3691         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
3692         using else_void.
3693         * lto-streamer-in.c (lto_input_mode_table): Likewise.
3694         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
3695         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
3696         * internal-fn.c (expand_mul_overflow): Update use of
3697         GET_MODE_2XWIDER_MODE.
3698         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3699         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
3700         GET_MODE_WIDER_MODE.
3701         (convert_plusminus_to_widen): Likewise.
3702         * tree-switch-conversion.c (array_value_type): Likewise.
3703         * var-tracking.c (emit_note_insn_var_location): Likewise.
3704         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3705         Return false inside rather than outside the loop if no wider mode
3706         exists
3707         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
3708         and GET_MODE_2XWIDER_MODE
3709         (can_compare_p): Use else_void.
3710         * gdbhooks.py (OptMachineModePrinter): New class.
3711         (build_pretty_printer): Use it for opt_mode.
3712
3713 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3714             Alan Hayward  <alan.hayward@arm.com>
3715             David Sherwood  <david.sherwood@arm.com>
3716
3717         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
3718         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
3719
3720 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3721             Alan Hayward  <alan.hayward@arm.com>
3722             David Sherwood  <david.sherwood@arm.com>
3723
3724         * machmode.h (mode_traits): New structure.
3725         (get_narrowest_mode): New function.
3726         (mode_iterator::start): Likewise.
3727         (mode_iterator::iterate_p): Likewise.
3728         (mode_iterator::get_wider): Likewise.
3729         (mode_iterator::get_known_wider): Likewise.
3730         (mode_iterator::get_2xwider): Likewise.
3731         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
3732         (FOR_EACH_MODE): Likewise.
3733         (FOR_EACH_MODE_FROM): Likewise.
3734         (FOR_EACH_MODE_UNTIL): Likewise.
3735         (FOR_EACH_WIDER_MODE): Likewise.
3736         (FOR_EACH_2XWIDER_MODE): Likewise.
3737         * builtins.c (expand_builtin_strlen): Use new mode iterators.
3738         * combine.c (simplify_comparison): Likewise
3739         * config/i386/i386.c (type_natural_mode): Likewise.
3740         * cse.c (cse_insn): Likewise.
3741         * dse.c (find_shift_sequence): Likewise.
3742         * emit-rtl.c (init_derived_machine_modes): Likewise.
3743         (init_emit_once): Likewise.
3744         * explow.c (hard_function_value): Likewise.
3745         * expmed.c (extract_fixed_bit_field_1): Likewise.
3746         (extract_bit_field_1): Likewise.
3747         (expand_divmod): Likewise.
3748         (emit_store_flag_1): Likewise.
3749         * expr.c (init_expr_target): Likewise.
3750         (convert_move): Likewise.
3751         (alignment_for_piecewise_move): Likewise.
3752         (widest_int_mode_for_size): Likewise.
3753         (emit_block_move_via_movmem): Likewise.
3754         (copy_blkmode_to_reg): Likewise.
3755         (set_storage_via_setmem): Likewise.
3756         (compress_float_constant): Likewise.
3757         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3758         * optabs-query.c (get_best_extraction_insn): Likewise.
3759         * optabs.c (expand_binop): Likewise.
3760         (expand_twoval_unop): Likewise.
3761         (expand_twoval_binop): Likewise.
3762         (widen_leading): Likewise.
3763         (widen_bswap): Likewise.
3764         (expand_parity): Likewise.
3765         (expand_unop): Likewise.
3766         (prepare_cmp_insn): Likewise.
3767         (prepare_float_lib_cmp): Likewise.
3768         (expand_float): Likewise.
3769         (expand_fix): Likewise.
3770         (expand_sfix_optab): Likewise.
3771         * postreload.c (move2add_use_add2_insn): Likewise.
3772         * reg-stack.c (reg_to_stack): Likewise.
3773         * reginfo.c (choose_hard_reg_mode): Likewise.
3774         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3775         * stor-layout.c (mode_for_size): Likewise.
3776         (smallest_mode_for_size): Likewise.
3777         (mode_for_vector): Likewise.
3778         (finish_bitfield_representative): Likewise.
3779         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
3780         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3781         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3782         * var-tracking.c (prepare_call_arguments): Likewise.
3783
3784 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3785             Alan Hayward  <alan.hayward@arm.com>
3786             David Sherwood  <david.sherwood@arm.com>
3787
3788         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
3789         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
3790         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
3791         * machmode.h (mode_size): Move earlier in file.
3792         (mode_precision): Likewise.
3793         (mode_inner): Likewise.
3794         (mode_nunits): Likewise.
3795         (mode_unit_size): Likewise.
3796         (unit_unit_precision): Likewise.
3797         (mode_wider): Likewise.
3798         (mode_2xwider): Likewise.
3799         (machine_mode): New class.
3800         (mode_to_bytes): New function.
3801         (mode_to_bits): Likewise.
3802         (mode_to_precision): Likewise.
3803         (mode_to_inner): Likewise.
3804         (mode_to_unit_size): Likewise.
3805         (mode_to_unit_precision): Likewise.
3806         (mode_to_nunits): Likewise.
3807         (GET_MODE_SIZE): Use mode_to_bytes.
3808         (GET_MODE_BITSIZE): Use mode_to_bits.
3809         (GET_MODE_PRECISION): Use mode_to_precision.
3810         (GET_MODE_INNER): Use mode_to_inner.
3811         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
3812         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
3813         (GET_MODE_NUNITS): Use mode_to_nunits.
3814         * system.h (ALWAYS_INLINE): New macro.
3815         * config/powerpcspe/powerpcspe-c.c
3816         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
3817         int for arg1_mode and arg2_mode.
3818
3819 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3820             Alan Hayward  <alan.hayward@arm.com>
3821             David Sherwood  <david.sherwood@arm.com>
3822
3823         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
3824         Prefix mode names with E_ in case statements.
3825         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3826         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
3827         (aarch64_split_simd_move): Likewise.
3828         (aarch64_gen_storewb_pair): Likewise.
3829         (aarch64_gen_loadwb_pair): Likewise.
3830         (aarch64_gen_store_pair): Likewise.
3831         (aarch64_gen_load_pair): Likewise.
3832         (aarch64_get_condition_code_1): Likewise.
3833         (aarch64_constant_pool_reload_icode): Likewise.
3834         (get_rsqrte_type): Likewise.
3835         (get_rsqrts_type): Likewise.
3836         (get_recpe_type): Likewise.
3837         (get_recps_type): Likewise.
3838         (aarch64_gimplify_va_arg_expr): Likewise.
3839         (aarch64_simd_container_mode): Likewise.
3840         (aarch64_emit_load_exclusive): Likewise.
3841         (aarch64_emit_store_exclusive): Likewise.
3842         (aarch64_expand_compare_and_swap): Likewise.
3843         (aarch64_gen_atomic_cas): Likewise.
3844         (aarch64_emit_bic): Likewise.
3845         (aarch64_emit_atomic_swap): Likewise.
3846         (aarch64_emit_atomic_load_op): Likewise.
3847         (aarch64_evpc_trn): Likewise.
3848         (aarch64_evpc_uzp): Likewise.
3849         (aarch64_evpc_zip): Likewise.
3850         (aarch64_evpc_ext): Likewise.
3851         (aarch64_evpc_rev): Likewise.
3852         (aarch64_evpc_dup): Likewise.
3853         (aarch64_gen_ccmp_first): Likewise.
3854         (aarch64_gen_ccmp_next): Likewise.
3855         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
3856         (alpha_emit_xfloating_libcall): Likewise.
3857         (emit_insxl): Likewise.
3858         (alpha_arg_type): Likewise.
3859         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
3860         (arc_preferred_simd_mode): Likewise.
3861         (arc_secondary_reload): Likewise.
3862         (get_arc_condition_code): Likewise.
3863         (arc_print_operand): Likewise.
3864         (arc_legitimate_constant_p): Likewise.
3865         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3866         * config/arc/arc.md (casesi_load): Likewise.
3867         (casesi_compact_jump): Likewise.
3868         * config/arc/predicates.md (proper_comparison_operator): Likewise.
3869         (cc_use_register): Likewise.
3870         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3871         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
3872         (arm_init_iwmmxt_builtins): Likewise.
3873         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3874         (neon_expand_vector_init): Likewise.
3875         (arm_attr_length_move_neon): Likewise.
3876         (maybe_get_arm_condition_code): Likewise.
3877         (arm_emit_vector_const): Likewise.
3878         (arm_preferred_simd_mode): Likewise.
3879         (arm_output_iwmmxt_tinsr): Likewise.
3880         (thumb1_output_casesi): Likewise.
3881         (thumb2_output_casesi): Likewise.
3882         (arm_emit_load_exclusive): Likewise.
3883         (arm_emit_store_exclusive): Likewise.
3884         (arm_expand_compare_and_swap): Likewise.
3885         (arm_evpc_neon_vuzp): Likewise.
3886         (arm_evpc_neon_vzip): Likewise.
3887         (arm_evpc_neon_vrev): Likewise.
3888         (arm_evpc_neon_vtrn): Likewise.
3889         (arm_evpc_neon_vext): Likewise.
3890         (arm_validize_comparison): Likewise.
3891         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
3892         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
3893         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
3894         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
3895         (c6x_preferred_simd_mode): Likewise.
3896         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
3897         (epiphany_rtx_costs): Likewise.
3898         * config/epiphany/predicates.md (proper_comparison_operator):
3899         Likewise.
3900         * config/frv/frv.c (condexec_memory_operand): Likewise.
3901         (frv_emit_move): Likewise.
3902         (output_move_single): Likewise.
3903         (output_condmove_single): Likewise.
3904         (frv_hard_regno_mode_ok): Likewise.
3905         (frv_matching_accg_mode): Likewise.
3906         * config/h8300/h8300.c (split_adds_subs): Likewise.
3907         (h8300_rtx_costs): Likewise.
3908         (h8300_print_operand): Likewise.
3909         (compute_mov_length): Likewise.
3910         (output_logical_op): Likewise.
3911         (compute_logical_op_length): Likewise.
3912         (compute_logical_op_cc): Likewise.
3913         (h8300_shift_needs_scratch_p): Likewise.
3914         (output_a_shift): Likewise.
3915         (compute_a_shift_length): Likewise.
3916         (compute_a_shift_cc): Likewise.
3917         (expand_a_rotate): Likewise.
3918         (output_a_rotate): Likewise.
3919         * config/i386/i386.c (classify_argument): Likewise.
3920         (function_arg_advance_32): Likewise.
3921         (function_arg_32): Likewise.
3922         (function_arg_64): Likewise.
3923         (function_value_64): Likewise.
3924         (ix86_gimplify_va_arg): Likewise.
3925         (ix86_legitimate_constant_p): Likewise.
3926         (put_condition_code): Likewise.
3927         (split_double_mode): Likewise.
3928         (ix86_avx256_split_vector_move_misalign): Likewise.
3929         (ix86_expand_vector_logical_operator): Likewise.
3930         (ix86_split_idivmod): Likewise.
3931         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
3932         (ix86_build_const_vector): Likewise.
3933         (ix86_build_signbit_mask): Likewise.
3934         (ix86_match_ccmode): Likewise.
3935         (ix86_cc_modes_compatible): Likewise.
3936         (ix86_expand_branch): Likewise.
3937         (ix86_expand_sse_cmp): Likewise.
3938         (ix86_expand_sse_movcc): Likewise.
3939         (ix86_expand_int_sse_cmp): Likewise.
3940         (ix86_expand_vec_perm_vpermi2): Likewise.
3941         (ix86_expand_vec_perm): Likewise.
3942         (ix86_expand_sse_unpack): Likewise.
3943         (ix86_expand_int_addcc): Likewise.
3944         (ix86_split_to_parts): Likewise.
3945         (ix86_vectorize_builtin_gather): Likewise.
3946         (ix86_vectorize_builtin_scatter): Likewise.
3947         (avx_vpermilp_parallel): Likewise.
3948         (inline_memory_move_cost): Likewise.
3949         (ix86_tieable_integer_mode_p): Likewise.
3950         (x86_maybe_negate_const_int): Likewise.
3951         (ix86_expand_vector_init_duplicate): Likewise.
3952         (ix86_expand_vector_init_one_nonzero): Likewise.
3953         (ix86_expand_vector_init_one_var): Likewise.
3954         (ix86_expand_vector_init_concat): Likewise.
3955         (ix86_expand_vector_init_interleave): Likewise.
3956         (ix86_expand_vector_init_general): Likewise.
3957         (ix86_expand_vector_set): Likewise.
3958         (ix86_expand_vector_extract): Likewise.
3959         (emit_reduc_half): Likewise.
3960         (ix86_emit_i387_round): Likewise.
3961         (ix86_mangle_type): Likewise.
3962         (ix86_expand_round_sse4): Likewise.
3963         (expand_vec_perm_blend): Likewise.
3964         (canonicalize_vector_int_perm): Likewise.
3965         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
3966         (expand_vec_perm_1): Likewise.
3967         (expand_vec_perm_interleave3): Likewise.
3968         (expand_vec_perm_even_odd_pack): Likewise.
3969         (expand_vec_perm_even_odd_1): Likewise.
3970         (expand_vec_perm_broadcast_1): Likewise.
3971         (ix86_vectorize_vec_perm_const_ok): Likewise.
3972         (ix86_expand_vecop_qihi): Likewise.
3973         (ix86_expand_mul_widen_hilo): Likewise.
3974         (ix86_expand_sse2_abs): Likewise.
3975         (ix86_expand_pextr): Likewise.
3976         (ix86_expand_pinsr): Likewise.
3977         (ix86_preferred_simd_mode): Likewise.
3978         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
3979         * config/i386/sse.md (*andnot<mode>3): Likewise.
3980         (<mask_codefor><code><mode>3<mask_name>): Likewise.
3981         (*<code><mode>3): Likewise.
3982         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
3983         (ia64_expand_atomic_op): Likewise.
3984         (ia64_arg_type): Likewise.
3985         (ia64_mode_to_int): Likewise.
3986         (ia64_scalar_mode_supported_p): Likewise.
3987         (ia64_vector_mode_supported_p): Likewise.
3988         (expand_vec_perm_broadcast): Likewise.
3989         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
3990         (iq2000_function_arg_advance): Likewise.
3991         (iq2000_function_arg): Likewise.
3992         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
3993         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
3994         (m68k_libcall_value): Likewise.
3995         (m68k_function_value): Likewise.
3996         (sched_attr_op_type): Likewise.
3997         * config/mcore/mcore.c (mcore_output_move): Likewise.
3998         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
3999         Likewise.
4000         (microblaze_function_arg): Likewise.
4001         * config/mips/mips.c (mips16_build_call_stub): Likewise.
4002         (mips_print_operand): Likewise.
4003         (mips_mode_ok_for_mov_fmt_p): Likewise.
4004         (mips_vector_mode_supported_p): Likewise.
4005         (mips_preferred_simd_mode): Likewise.
4006         (mips_expand_vpc_loongson_even_odd): Likewise.
4007         (mips_expand_vec_unpack): Likewise.
4008         (mips_expand_vi_broadcast): Likewise.
4009         (mips_expand_vector_init): Likewise.
4010         (mips_expand_vec_reduc): Likewise.
4011         (mips_expand_msa_cmp): Likewise.
4012         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
4013         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
4014         (cc_flags_for_mode): Likewise.
4015         * config/msp430/msp430.c (msp430_print_operand): Likewise.
4016         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
4017         (nds32_output_casesi_pc_relative): Likewise.
4018         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4019         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
4020         (nvptx_gen_unpack): Likewise.
4021         (nvptx_gen_pack): Likewise.
4022         (nvptx_gen_shuffle): Likewise.
4023         (nvptx_gen_wcast): Likewise.
4024         (nvptx_preferred_simd_mode): Likewise.
4025         * config/pa/pa.c (pa_secondary_reload): Likewise.
4026         * config/pa/predicates.md (base14_operand): Likewise.
4027         * config/powerpcspe/powerpcspe-c.c
4028         (altivec_resolve_overloaded_builtin): Likewise.
4029         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
4030         Likewise.
4031         (rs6000_preferred_simd_mode): Likewise.
4032         (output_vec_const_move): Likewise.
4033         (rs6000_expand_vector_extract): Likewise.
4034         (rs6000_split_vec_extract_var): Likewise.
4035         (reg_offset_addressing_ok_p): Likewise.
4036         (rs6000_legitimate_offset_address_p): Likewise.
4037         (rs6000_legitimize_address): Likewise.
4038         (rs6000_emit_set_const): Likewise.
4039         (rs6000_const_vec): Likewise.
4040         (rs6000_emit_move): Likewise.
4041         (spe_build_register_parallel): Likewise.
4042         (rs6000_darwin64_record_arg_recurse): Likewise.
4043         (swap_selector_for_mode): Likewise.
4044         (spe_init_builtins): Likewise.
4045         (paired_init_builtins): Likewise.
4046         (altivec_init_builtins): Likewise.
4047         (do_load_for_compare): Likewise.
4048         (rs6000_generate_compare): Likewise.
4049         (rs6000_expand_float128_convert): Likewise.
4050         (emit_load_locked): Likewise.
4051         (emit_store_conditional): Likewise.
4052         (rs6000_output_function_epilogue): Likewise.
4053         (rs6000_handle_altivec_attribute): Likewise.
4054         (rs6000_function_value): Likewise.
4055         (emit_fusion_gpr_load): Likewise.
4056         (emit_fusion_p9_load): Likewise.
4057         (emit_fusion_p9_store): Likewise.
4058         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
4059         (fusion_gpr_mem_load): Likewise.
4060         (fusion_addis_mem_combo_load): Likewise.
4061         (fusion_addis_mem_combo_store): Likewise.
4062         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
4063         (fusion_gpr_mem_load): Likewise.
4064         (fusion_addis_mem_combo_load): Likewise.
4065         (fusion_addis_mem_combo_store): Likewise.
4066         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4067         Likewise.
4068         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
4069         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
4070         (rs6000_preferred_simd_mode): Likewise.
4071         (output_vec_const_move): Likewise.
4072         (rs6000_expand_vector_extract): Likewise.
4073         (rs6000_split_vec_extract_var): Likewise.
4074         (reg_offset_addressing_ok_p): Likewise.
4075         (rs6000_legitimate_offset_address_p): Likewise.
4076         (rs6000_legitimize_address): Likewise.
4077         (rs6000_emit_set_const): Likewise.
4078         (rs6000_const_vec): Likewise.
4079         (rs6000_emit_move): Likewise.
4080         (rs6000_darwin64_record_arg_recurse): Likewise.
4081         (swap_selector_for_mode): Likewise.
4082         (paired_init_builtins): Likewise.
4083         (altivec_init_builtins): Likewise.
4084         (rs6000_expand_float128_convert): Likewise.
4085         (emit_load_locked): Likewise.
4086         (emit_store_conditional): Likewise.
4087         (rs6000_output_function_epilogue): Likewise.
4088         (rs6000_handle_altivec_attribute): Likewise.
4089         (rs6000_function_value): Likewise.
4090         (emit_fusion_gpr_load): Likewise.
4091         (emit_fusion_p9_load): Likewise.
4092         (emit_fusion_p9_store): Likewise.
4093         * config/rx/rx.c (rx_gen_move_template): Likewise.
4094         (flags_from_mode): Likewise.
4095         * config/s390/predicates.md (s390_alc_comparison): Likewise.
4096         (s390_slb_comparison): Likewise.
4097         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
4098         (s390_vector_mode_supported_p): Likewise.
4099         (s390_cc_modes_compatible): Likewise.
4100         (s390_match_ccmode_set): Likewise.
4101         (s390_canonicalize_comparison): Likewise.
4102         (s390_emit_compare_and_swap): Likewise.
4103         (s390_branch_condition_mask): Likewise.
4104         (s390_rtx_costs): Likewise.
4105         (s390_secondary_reload): Likewise.
4106         (__SECONDARY_RELOAD_CASE): Likewise.
4107         (s390_expand_cs): Likewise.
4108         (s390_preferred_simd_mode): Likewise.
4109         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
4110         * config/sh/sh.c (sh_print_operand): Likewise.
4111         (dump_table): Likewise.
4112         (sh_secondary_reload): Likewise.
4113         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4114         * config/sh/sh.md (casesi_worker_1): Likewise.
4115         (casesi_worker_2): Likewise.
4116         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
4117         (fcc_comparison_operator): Likewise.
4118         * config/sparc/sparc.c (sparc_expand_move): Likewise.
4119         (emit_soft_tfmode_cvt): Likewise.
4120         (sparc_preferred_simd_mode): Likewise.
4121         (output_cbranch): Likewise.
4122         (sparc_print_operand): Likewise.
4123         (sparc_expand_vec_perm_bmask): Likewise.
4124         (vector_init_bshuffle): Likewise.
4125         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
4126         (spu_vector_mode_supported_p): Likewise.
4127         (spu_expand_insv): Likewise.
4128         (spu_emit_branch_or_set): Likewise.
4129         (spu_handle_vector_attribute): Likewise.
4130         (spu_builtin_splats): Likewise.
4131         (spu_builtin_extract): Likewise.
4132         (spu_builtin_promote): Likewise.
4133         (spu_expand_sign_extend): Likewise.
4134         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
4135         (tilegx_simd_int): Likewise.
4136         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
4137         (tilepro_simd_int): Likewise.
4138         * config/v850/v850.c (const_double_split): Likewise.
4139         (v850_print_operand): Likewise.
4140         (ep_memory_offset): Likewise.
4141         * config/vax/vax.c (vax_rtx_costs): Likewise.
4142         (vax_output_int_move): Likewise.
4143         (vax_output_int_add): Likewise.
4144         (vax_output_int_subtract): Likewise.
4145         * config/visium/predicates.md (visium_branch_operator): Likewise.
4146         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
4147         (visium_print_operand_address): Likewise.
4148         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4149         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
4150         (xtensa_expand_conditional_branch): Likewise.
4151         (xtensa_copy_incoming_a7): Likewise.
4152         (xtensa_output_literal): Likewise.
4153         * dfp.c (decimal_real_maxval): Likewise.
4154         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
4155
4156 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4157             Alan Hayward  <alan.hayward@arm.com>
4158             David Sherwood  <david.sherwood@arm.com>
4159
4160         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
4161         (mode_nunits_inline): Likewise.
4162         (mode_inner_inline): Likewise.
4163         (mode_unit_size_inline): Likewise.
4164         (mode_unit_precision_inline): Likewise.
4165         (emit_insn_modes_h): Likewise.  Also emit a #define of the
4166         unprefixed name.
4167         (emit_mode_wider): Add an E_ prefix to mode names.
4168         (emit_mode_complex): Likewise.
4169         (emit_mode_inner): Likewise.
4170         (emit_mode_adjustments): Likewise.
4171         (emit_mode_int_n): Likewise.
4172         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
4173         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
4174         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
4175         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
4176         (CRC32_BUILTIN, ENTRY): Likewise.
4177         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
4178         (aarch64_pop_regs): Likewise.
4179         (aarch64_process_components): Likewise.
4180         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
4181         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
4182         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
4183         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
4184         * config/arm/arm.c (arm_init_libfuncs): Likewise.
4185         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
4186         Likewise.
4187         * config/i386/i386-builtin.def (pcmpestr): Likewise.
4188         (pcmpistr): Likewise.
4189         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
4190         * config/mmix/mmix.c (mmix_output_condition): Likewise.
4191         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
4192         Likewise.
4193         * config/rl78/rl78.c (mduc_regs): Likewise.
4194         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4195         (htm_expand_builtin): Likewise.
4196         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
4197         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
4198         * config/xtensa/xtensa.c (print_operand): Likewise.
4199         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
4200         (NUM_MODE_VECTOR_INT): Likewise.
4201         * genoutput.c (null_operand): Likewise.
4202         (output_operand_data): Likewise.
4203         * genrecog.c (print_parameter_value): Likewise.
4204         * lra.c (debug_operand_data): Likewise.
4205
4206 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4207
4208         * dwarf2out.c (scompare_loc_descriptor_wide)
4209         (scompare_loc_descriptor_narrow): New functions, split out from...
4210         (scompare_loc_descriptor): ...here.
4211         * expmed.c (emit_store_flag_int): New function, split out from...
4212         (emit_store_flag): ...here.
4213
4214 2017-08-30  Richard Biener  <rguenther@suse.de>
4215
4216         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
4217         (dwarf2out_early_finish): Move setting of AT_pubnames from
4218         early debug output to early finish.
4219
4220 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4221
4222         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
4223         and -mdata-region to the assembler.
4224
4225 2017-08-30  Richard Biener  <rguenther@suse.de>
4226
4227         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
4228         attributes.
4229         (gen_subprogram_die): Add DW_AT_object_pointer only early.
4230         (dwarf2out_early_global_decl): Only generate a DIE for the
4231         abstract origin if it doesn't already exist or is a declaration DIE.
4232         (resolve_addr): Do not add the linkage name twice when
4233         generating a stub DIE for the DW_TAG_GNU_call_site target.
4234
4235 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4236
4237         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4238         Use machine_mode rather than int for arg1_mode.
4239
4240 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
4241
4242         PR target/82015
4243         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
4244         that the second argument of the built-in functions to unpack
4245         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
4246         switch statement instead a lot of if statements.
4247         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
4248         Allow 64-bit values to be in Altivec registers as well as
4249         traditional floating point registers.
4250         (pack<mode>, FMOVE128_VSX iterator): Likewise.
4251
4252 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
4253
4254         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
4255         MAX_REGS_PER_ADDRESS == 1.
4256
4257 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
4258
4259         * config/i386/i386.opt (flag_fentry): Do not init to -1.
4260         * config/i386/i386.c (ix86_option_override_internal): Simplify
4261         setting of opts->x_flag_entry.
4262
4263 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4264             Jakub Jelinek  <jakub@redhat.com>
4265             Richard Biener  <rguenther@suse.de>
4266
4267         PR tree-optimization/81503
4268         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
4269         folded constant fits in the target type; reorder tests for clarity.
4270
4271 2017-08-29  Martin Liska  <mliska@suse.cz>
4272
4273         * passes.def: Include pass_lower_switch.
4274         * stmt.c (dump_case_nodes): Remove and move to
4275         tree-switch-conversion.
4276         (case_values_threshold): Likewise.
4277         (expand_switch_as_decision_tree_p): Likewise.
4278         (emit_case_decision_tree): Likewise.
4279         (expand_case): Likewise.
4280         (balance_case_nodes): Likewise.
4281         (node_has_low_bound): Likewise.
4282         (node_has_high_bound): Likewise.
4283         (node_is_bounded): Likewise.
4284         (emit_case_nodes): Likewise.
4285         (struct simple_case_node): New struct.
4286         (add_case_node): Remove.
4287         (emit_case_dispatch_table): Use vector instead of case_list.
4288         (reset_out_edges_aux): Remove.
4289         (compute_cases_per_edge): Likewise.
4290         (expand_case): Build list of simple_case_node.
4291         (expand_sjlj_dispatch_table): Use it.
4292         * tree-switch-conversion.c (struct case_node): Moved from
4293         stmt.c and adjusted.
4294         (emit_case_nodes): Likewise.
4295         (node_has_low_bound): Likewise.
4296         (node_has_high_bound): Likewise.
4297         (node_is_bounded): Likewise.
4298         (case_values_threshold): Likewise.
4299         (reset_out_edges_aux): Likewise.
4300         (compute_cases_per_edge): Likewise.
4301         (add_case_node): Likewise.
4302         (dump_case_nodes): Likewise.
4303         (balance_case_nodes): Likewise.
4304         (expand_switch_as_decision_tree_p): Likewise.
4305         (emit_jump): Likewise.
4306         (emit_case_decision_tree): Likewise.
4307         (try_switch_expansion): Likewise.
4308         (do_jump_if_equal): Likewise.
4309         (emit_cmp_and_jump_insns): Likewise.
4310         (fix_phi_operands_for_edge): New function.
4311         (record_phi_operand_mapping): Likewise.
4312         (class pass_lower_switch): New pass.
4313         (pass_lower_switch::execute): New function.
4314         (make_pass_lower_switch): Likewise.
4315         (conditional_probability):
4316         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
4317         * tree-pass.h: Add make_pass_lower_switch.
4318
4319 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4320
4321         PR target/80993
4322         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
4323         handlers as used.
4324
4325 2017-08-29  Richard Biener  <rguenther@suse.de>
4326
4327         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
4328         we do not add a DW_AT_inline attribute twice.
4329         (gen_subprogram_die): Remove code setting DW_AT_inline on
4330         DECL_ABSTRACT_P nodes.
4331
4332 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
4333
4334         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
4335         calls to internal functions.
4336         (gimplify_modify_expr): Likewise.
4337         * tree-call-cdce.c (use_internal_fn): Likewise.
4338         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
4339         (convert_to_divmod): Set the nothrow flag.
4340         * tree-if-conv.c (predicate_mem_writes):  Likewise.
4341         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
4342         (vectorizable_call): Likewise.
4343         (vectorizable_store): Likewise.
4344         (vectorizable_load): Likewise.
4345         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
4346         (vect_recog_mask_conversion_pattern): Likewise.
4347
4348 2017-08-29  Martin Liska  <mliska@suse.cz>
4349
4350         PR other/39851
4351         * gcc.c (driver_handle_option): Add new argument.
4352         * opts-common.c (handle_option): Pass
4353         target_option_override_hook.
4354         * opts-global.c (lang_handle_option): Add new option.
4355         (set_default_handlers):  Add new argument.
4356         (decode_options): Likewise.
4357         * opts.c (target_handle_option): Likewise.
4358         (common_handle_option): Call target_option_override_hook.
4359         * opts.h (struct cl_option_handler_func): Add hook for
4360         target option override.
4361         (struct cl_option_handlers): Likewise.
4362         (set_default_handlers): Add new argument.
4363         (decode_options): Likewise.
4364         (common_handle_option): Likewise.
4365         (target_handle_option): Likewise.
4366         * toplev.c (toplev::main): Pass targetm.target_option.override
4367         hook.
4368
4369 2017-08-29  Richard Biener  <rguenther@suse.de>
4370         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
4371
4372         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
4373         life to the active subtree.
4374
4375 2017-08-28  Jeff Law  <law@redhat.com>
4376
4377         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
4378         derive_equivalences.
4379         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
4380         Code moved into....
4381         (edge_info::derive_equivalences): New private member function
4382
4383         * tree-ssa-dom.c (class edge_info): Changed from a struct
4384         to a class.  Add ctor/dtor, methods and data members.
4385         (edge_info::edge_info): Renamed from allocate_edge_info.
4386         Initialize additional members.
4387         (edge_info::~edge_info): New.
4388         (free_dom_edge_info): Delete the edge info.
4389         (record_edge_info): Use new class & associated member functions.
4390         Tighten forms for testing for edge equivalences.
4391         (record_temporary_equivalences): Iterate over the simple
4392         equivalences rather than assuming there's only one per edge.
4393         (cprop_into_successor_phis): Iterate over the simple
4394         equivalences rather than assuming there's only one per edge.
4395         (optimize_stmt): Use operand_equal_p rather than pointer
4396         equality for mini-DSE code.
4397
4398 2017-08-28  Nathan Sidwell  <nathan@acm.org>
4399
4400         * gcc.c (execute): Fold SIGPIPE handling into switch
4401         statement.  Adjust internal error message.
4402
4403 2017-08-28  Richard Biener  <rguenther@suse.de>
4404
4405         PR debug/81993
4406         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
4407         Do nothing for removed DIEs.
4408
4409 2017-08-28  Richard Biener  <rguenther@suse.de>
4410
4411         PR tree-optimization/81977
4412         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
4413         memcpy.
4414
4415 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
4416
4417         PR target/80640
4418         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
4419         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
4420         using targetm.gen_mem_thread_fence.
4421
4422 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
4423
4424         PR target/81995
4425         * config/i386/i386.md (*<btsc><mode>): Change operand 2
4426         predicate to register_operand.  Reorder operands.
4427         (*btr<mode>): Ditto.
4428         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
4429         (*btr<mode>_mask): Ditto.
4430
4431 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
4432
4433         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
4434         * config/rs6000/xmmintrin.h: New file.
4435         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
4436
4437 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4438
4439         PR target/81504
4440         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
4441         parameter and_insn and return it.
4442         (recombine_lvx_pattern): Insert a copy to ensure availability of
4443         the base register of the copied masking operation at the point of
4444         the instruction replacement.
4445         (recombine_stvx_pattern): Likewise.
4446
4447 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
4448
4449         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
4450         undocumented switches.
4451         (-mpower9-dform-vector): Likewise.
4452         (-mpower9-dform): Likewise.
4453         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
4454         comments to delete references to -mpower9-dform* switches.
4455         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
4456         Delete reference to -mpower9-dform* switches, test for
4457         -mpower9-vector instead.
4458         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
4459         (OTHER_P9_VECTOR_MASKS): Likewise.
4460         (POWERPC_MASKS): Likewise.
4461         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
4462         tests against -mpower9-dform* to -mpower9-vector.  Delete code
4463         that checked for -mpower9-dform* consistancy with other options.
4464         Add test for -mpower9-misc to enable other power9 switches.
4465         (rs6000_init_hard_regno_mode_ok): Likewise.
4466         (rs6000_option_override_internal): Likewise.
4467         (rs6000_emit_prologue): Likewise.
4468         (rs6000_emit_epilogue): Likewise.
4469         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
4470         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
4471         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
4472         -mpower9-vector.
4473         (emit_fusion_p9_store): Likewise.
4474         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
4475         resetting these macros if the assembler does not support ISA 3.0
4476         instructions.
4477         (TARGET_P9_DFORM_VECTOR): Likewise.
4478         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
4479         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
4480
4481 2017-08-25  Alan Modra  <amodra@gmail.com>
4482
4483         PR rtl-optimization/81747
4484         * cse.c (cse_extended_basic_block): Don't attempt to record
4485         equivalences for degenerate conditional branches that branch
4486         to their fall-through.
4487
4488 2017-08-24  Martin Sebor  <msebor@redhat.com>
4489
4490         PR middle-end/81908
4491         * gimple-fold.c (size_must_be_zero_p): New function.
4492         (gimple_fold_builtin_memory_op): Call it.
4493
4494 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
4495
4496         * config/rs6000/mm_malloc.h: New file.
4497
4498 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
4499
4500         PR tree-optimization/81913
4501         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
4502         analysis when either IVs in condition can wrap.
4503
4504 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
4505
4506         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
4507         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
4508
4509 2017-08-24  Richard Biener  <rguenther@suse.de>
4510
4511         PR target/81921
4512         * targhooks.c (default_target_can_inline_p): Properly
4513         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
4514         is present and always compare.
4515         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
4516         infer -mfpmath=sse from TARGET_SSE_P.
4517         (ix86_can_inline_p): Properly use target_option_default_node when
4518         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
4519
4520 2017-08-24  Richard Biener  <rguenther@suse.de>
4521
4522         PR debug/81936
4523         * dwarf2out.c (output_die): Handle flag_generate_offload like
4524         flag_generate_lto.
4525         (output_comp_unit): Likewise.
4526         (gen_array_type_die): Likewise.
4527         (dwarf2out_early_finish): Likewise.
4528         (note_variable_value_in_expr): Likewise.
4529         (dwarf2out_finish): Likewise.  Adjust assert.
4530         * cgraphunit.c (symbol_table::compile): Move setting of
4531         flag_generate_offload earlier ...
4532         (symbol_table::finalize_compilation_unit): ... here, before
4533         early debug finalization.
4534
4535 2017-08-24  Richard Biener  <rguenther@suse.de>
4536
4537         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
4538         and ipa-fnsummary.h.
4539         (ix86_can_inline_p): When ix86_fpmath flags do not match
4540         check whether the callee uses FP math at all.
4541
4542 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
4543
4544         PR middle-end/81931
4545         * tree-ssanames.c (get_nonzero_bits): Use element_precision
4546         instead of TYPE_PRECISION.
4547
4548 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
4549             Alan Hayward  <alan.hayward@arm.com>
4550             David Sherwood  <david.sherwood@arm.com>
4551
4552         * combine.c (make_extraction): Use subreg_offset_from_lsb.
4553
4554 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
4555
4556         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
4557         Remove field.
4558         (ix86_frame::stack_realign_allocate): New field.
4559         (struct machine_frame_state): Modify comments.
4560         (machine_frame_state::sp_realigned_fp_end): New field.
4561         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
4562         layout calculation.
4563         (sp_valid_at): Add assertion to assure no attempt to access invalid
4564         offset of a realigned stack.
4565         (fp_valid_at): Likewise.
4566         (choose_baseaddr): Modify comments.
4567         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
4568         ix86_expand_prologue.
4569         (ix86_expand_prologue): Modify stack realignment and allocation.
4570         (ix86_expand_epilogue): Modify comments.
4571         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
4572         avx2_runtime, avx512f, and avx512f_runtime.
4573
4574 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
4575
4576         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
4577         (mstackrealign): Do not init to -1.
4578         * config/i386/i386.c (ix86_option_override_internal):
4579         Check opts_set, not opts when setting default value of
4580         opts->x_ix86_force_align_arg_pointer.
4581
4582 2017-08-23  Richard Biener  <rguenther@suse.de>
4583
4584         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
4585         lang_hooks.decl_printable_name.
4586         * print-rtl-function.c (print_rtx_function): Likewise.
4587         * tree-pretty-print.c (dump_function_header): Likewise.
4588
4589 2017-08-23  Richard Biener  <rguenther@suse.de>
4590
4591         PR lto/81940
4592         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
4593         -g0 at compile-time.
4594
4595 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4596
4597         PR middle-end/19706
4598         * doc/sourcebuild.texi (Other hardware attributes):
4599         Document xorsign.
4600
4601 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4602
4603         PR middle-end/19706
4604         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
4605         Fix single-use check.
4606
4607 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4608
4609         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
4610
4611 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4612
4613         * doc/install.texi: Modify to add more details on running selected
4614         tests.
4615
4616 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4617
4618         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
4619         is combined with -mabi=ms.
4620         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
4621         ms_abi.
4622
4623 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4624
4625         PR tree-optimization/81488
4626         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
4627         and cached_basis fields.
4628         (MAX_SPREAD): New constant.
4629         (alloc_cand_and_find_basis): Initialize new fields.
4630         (clear_visited): New function.
4631         (create_phi_basis_1): Rename from create_phi_basis, set visited
4632         and cached_basis fields.
4633         (create_phi_basis): New wrapper function.
4634         (phi_add_costs_1): Rename from phi_add_costs, add spread
4635         parameter, set visited field, short-circuit when limits reached.
4636         (phi_add_costs): New wrapper function.
4637         (record_phi_increments_1): Rename from record_phi_increments, set
4638         visited field.
4639         (record_phi_increments): New wrapper function.
4640         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
4641         (phi_incr_cost): New wrapper function.
4642         (all_phi_incrs_profitable_1): Rename from
4643         all_phi_incrs_profitable, set visited field.
4644         (all_phi_incrs_profitable): New wrapper function.
4645
4646 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4647             Alan Hayward  <alan.hayward@arm.com>
4648             David Sherwood  <david.sherwood@arm.com>
4649
4650         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
4651         that takes the outer and inner modes.
4652         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
4653         comparison as the canonical test for a paradoxical subreg.
4654         * combine.c (simplify_set): Use paradoxical_subreg_p.
4655         (make_extraction): Likewise.
4656         (force_to_mode): Likewise.
4657         (rtx_equal_for_field_assignment_p): Likewise.
4658         (gen_lowpart_for_combine): Likewise.
4659         (simplify_comparison): Likewise.
4660         * cse.c (equiv_constant): Likewise.
4661         * expmed.c (store_bit_field_1): Likewise.
4662         * final.c (alter_subreg): Likewise.
4663         * fwprop.c (propagate_rtx): Likewise.
4664         (forward_propagate_subreg): Likewise.
4665         * ira-conflicts.c (ira_build_conflicts): Likewise.
4666         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
4667         * lra-constraints.c (curr_insn_transform): Likewise.
4668         (split_reg): Likewise.
4669         * lra-eliminations.c (move_plus_up): Likewise.
4670         (lra_eliminate_regs_1): Likewise.
4671         * recog.c (general_operand): Likewise.
4672         * ree.c (combine_reaching_defs): Likewise.
4673         * reload.c (push_reload): Likewise.
4674         (find_reloads): Likewise.
4675         * reload1.c (elimination_effects): Likewise.
4676         (compute_reload_subreg_offset): Likewise.
4677         (choose_reload_regs): Likewise.
4678         * rtlanal.c (subreg_lsb_1): Likewise.
4679         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4680         (simplify_subreg): Likewise.
4681         * var-tracking.c (track_loc_p): Likewise.
4682         * emit-rtl.c (byte_lowpart_offset): Likewise.
4683         (paradoxical_subreg_p): Delete out-of-line definition.
4684
4685 2017-08-22  Jeff Law  <law@redhat.com>
4686
4687         PR tree-optimization/81741
4688         PR tree-optimization/71947
4689         * tree-ssa-dom.c: Include tree-inline.h.
4690         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
4691         equivalences if one is more expensive to compute than the other.
4692         * tree-ssa-scopedtables.h (class const_or_copies): Make
4693         record_const_or_copy_raw method private.
4694         (class avail_exprs_stack): New method simplify_binary_operation.
4695         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
4696         avail_exprs_stack::simplify_binary_operation as needed.
4697         (avail_exprs_stack::simplify_binary_operation): New function.
4698
4699 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4700
4701         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
4702         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
4703         (DOT_SYMBOLS): Likewise.
4704         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
4705         (RELOCATABLE_NEEDS_FIXUP): Likewise.
4706         (RS6000_ABI_NAME): Likewise.
4707         (TARGET_CMODEL): Likewise.
4708         (TOC_SECTION_ASM_OP): Likewise.
4709         (SET_CMODEL): New macro.
4710         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
4711
4712 2017-08-22  Richard Biener  <rguenther@suse.de>
4713
4714         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
4715         to allow for free-lang-data replacements similar to verify_type_variant.
4716
4717 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4718             Alan Hayward  <alan.hayward@arm.com>
4719             David Sherwood  <david.sherwood@arm.com>
4720
4721         * config/aarch64/aarch64.md (casesi): Use DImode rather than
4722         VOIDmode for the LABEL_REF.
4723
4724 2017-08-22  Richard Biener  <rguenther@suse.de>
4725
4726         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
4727
4728 2017-08-22  Richard Biener  <rguenther@suse.de>
4729
4730         * common.opt (feliminate-dwarf2-dups): Ignore.
4731         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
4732         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
4733         same_die_p_wrap, compute_section_prefix,
4734         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
4735         (comdat_symbol_id, comdat_symbol_number): Likewise.
4736         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
4737         Likewise.
4738         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
4739         (output_die): Mark unreachable path unreachable.
4740         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
4741         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
4742         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
4743         (dwarf2out_early_finish): Likewise.
4744
4745 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
4746
4747         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
4748
4749 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
4750
4751         PR target/81910
4752         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
4753         not VAR_P. Filter attribute warnings with OPT_Wattributes.
4754         (avr_attribute_table) <io, io_low, address>: Initialize
4755         .decl_required with true.
4756
4757 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
4758
4759         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
4760         undocumented debugging options.
4761         (-mvsx-scalar-double): Likewise.
4762         (-mallow-df-permute): Likewise.
4763         (-mvectorize-builtins): Likewise.
4764         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4765         (rs6000_builtin_vectorized_function): Likewise.
4766         (rs6000_builtin_md_vectorized_function): Likewise.
4767         (rs6000_opt_vars): Likewise.
4768
4769 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
4770
4771         PR target/46091
4772         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
4773         (*btrq_imm): Rename from *btrq.
4774         (*btcq_imm): Rename from *btcq.
4775         (btsc): New code attribute.
4776         (*<btsc><mode>): New insn pattern.
4777         (*btr<mode>): Ditto.
4778         (*<btsc><mode>_mask): New insn_and_split pattern.
4779         (*btr<mode>_mask): Ditto.
4780
4781 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4782             Alan Hayward  <alan.hayward@arm.com>
4783             David Sherwood  <david.sherwood@arm.com>
4784
4785         * function.c (pad_below): Simplify padding calculation.
4786
4787 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4788             Alan Hayward  <alan.hayward@arm.com>
4789             David Sherwood  <david.sherwood@arm.com>
4790
4791         * target.def (function_prologue): Remove frame size argument.
4792         (function_epilogue): Likewise.
4793         * doc/tm.texi: Regenerate.
4794         * final.c (final_start_function): Update call to function_prologue.
4795         (final_end_function): Update call to function_epilogue.
4796         (default_function_pro_epilogue): Remove frame size argument.
4797         * output.h (default_function_pro_epilogue): Likewise.
4798         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
4799         (arm_output_function_prologue): Likewise.
4800         * config/frv/frv.c (frv_function_prologue): Likewise.
4801         (frv_function_epilogue): Likewise.
4802         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
4803         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
4804         (ia64_output_function_epilogue): Likewise.
4805         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
4806         (m32r_output_function_epilogue): Likewise.
4807         * config/microblaze/microblaze.c (microblaze_function_prologue)
4808         (microblaze_function_epilogue): Likewise.
4809         * config/mips/mips.c (mips_output_function_prologue): Likewise.
4810         (mips_output_function_epilogue): Likewise.
4811         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
4812         (mmix_target_asm_function_epilogue): Likewise.
4813         * config/msp430/msp430.c (msp430_start_function): Likewise.
4814         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
4815         (nds32_asm_function_epilogue): Likewise.
4816         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
4817         * config/pa/pa.c (pa_output_function_prologue): Likewise.
4818         (pa_output_function_epilogue): Likewise.
4819         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
4820         (rs6000_output_function_epilogue): Likewise.
4821         * config/rl78/rl78.c (rl78_start_function): Likewise.
4822         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
4823         (rs6000_output_function_epilogue): Likewise.
4824         * config/rx/rx.c (rx_output_function_prologue): Likewise.
4825         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
4826         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
4827         (sparc_asm_function_epilogue): Likewise.
4828
4829 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4830
4831         * tree.h (type_has_mode_precision_p): New function.
4832         * convert.c (convert_to_integer_1): Use it.
4833         * expr.c (expand_expr_real_2): Likewise.
4834         (expand_expr_real_1): Likewise.
4835         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
4836         * match.pd: Likewise.
4837         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
4838         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
4839         * tree-tailcall.c (process_assignment): Likewise.
4840         * tree-vect-loop.c (vectorizable_reduction): Likewise.
4841         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
4842         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
4843         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4844         (vectorizable_assignment): Likewise.
4845         (vectorizable_shift): Likewise.
4846         (vectorizable_operation): Likewise.
4847         * tree-vrp.c (register_edge_assert_for_2): Likewise.
4848
4849 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
4850
4851         * match.pd: Add pow (C, x) simplification.
4852
4853 2017-08-21  Richard Biener  <rguenther@suse.de>
4854
4855         PR tree-optimization/81900
4856         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
4857         for blocks with abnormal predecessors.
4858         (compute_antic): Do not set visited flag prematurely.
4859
4860 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
4861
4862         PR target/79883
4863         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
4864
4865 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4866
4867         * stor-layout.h (vector_type_mode): Move to...
4868         * tree.h (vector_type_mode): ...here.
4869         * stor-layout.c (vector_type_mode): Move to...
4870         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
4871
4872 2017-08-21  Richard Biener  <rguenther@suse.de>
4873
4874         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
4875         register_external_die hooks.
4876         (debug_false_tree_charstarstar_uhwistar): Declare.
4877         (debug_nothing_tree_charstar_uhwi): Likewise.
4878         * debug.c (do_nothing_debug_hooks): Adjust.
4879         (debug_false_tree_charstarstar_uhwistar): New do nothing.
4880         (debug_nothing_tree_charstar_uhwi): Likewise.
4881         * dbxout.c (dbx_debug_hooks): Adjust.
4882         (xcoff_debug_hooks): Likewise.
4883         * sdbout.c (sdb_debug_hooks): Likewise.
4884         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4885         * dwarf2out.c (macinfo_label_base): New global.
4886         (dwarf2out_register_external_die): New function for the
4887         register_external_die hook.
4888         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
4889         (dwarf2_debug_hooks): Use them.
4890         (dwarf2_lineno_debug_hooks): Adjust.
4891         (struct die_struct): Add with_offset flag.
4892         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
4893         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
4894         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
4895         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
4896         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
4897         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
4898         defining section names for the early LTO debug variants.
4899         (reset_indirect_string): New helper.
4900         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
4901         (print_dw_val): Add support for offsetted symbol references.
4902         (get_ultimate_context): Split out from is_cxx.
4903         (is_cxx): Use get_ultimate_context.
4904         (is_fortran): Add decl overload.
4905         (compute_comp_unit_symbol): Split out worker from
4906         compute_section_prefix.
4907         (compute_section_prefix): Call compute_comp_unit_symbol and
4908         set comdat_type_p here.
4909         (output_die): Skip DIE symbol output for the LTO added one.
4910         Handle DIE symbol references with offset.
4911         (output_comp_unit): Guard section name mangling properly.
4912         For LTO debug sections emit a symbol at the section beginning
4913         which we use to refer to its DIEs.
4914         (add_abstract_origin_attribute): For DIEs registered via
4915         dwarf2out_register_external_die directly refer to the early
4916         DIE rather than indirectly through the shadow one we created.
4917         Remove obsolete call to dwarf2out_abstract_function for
4918         non-function/block origins.
4919         (gen_array_type_die): When generating early LTO debug do
4920         not emit DW_AT_string_length.
4921         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
4922         late when in LTO.  As suggested place a gcc_unreachable for
4923         the DECL_ABSTRACT_P case.
4924         (gen_subprogram_die): Avoid another specification DIE
4925         for early built declarations/definitions for the late LTO case.
4926         (gen_variable_die): Add type references for late duplicated VLA dies
4927         when in late LTO.
4928         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
4929         we have the abstract instance already.
4930         (process_scope_var): Adjust decl DIE contexts in LTO which
4931         first puts them in limbo.
4932         (gen_decl_die): Do not generate type DIEs late apart from
4933         types for VLAs or for decls we do not yet have a DIE.  Do not
4934         call dwarf2out_abstract_function late.
4935         (dwarf2out_early_global_decl): Make sure to create DIEs
4936         for abstract instances of a decl first.
4937         (dwarf2out_late_global_decl): Adjust comment.
4938         (output_macinfo_op): With multiple macro sections use
4939         macinfo_label_base to distinguish labels.
4940         (output_macinfo): Likewise.  Update macinfo_label_base.
4941         Pass in the line info label.
4942         (note_variable_value_in_expr): When generating LTO resolve
4943         all variable values here by generating DIEs as needed.
4944         (init_sections_and_labels): Add early LTO debug flag parameter
4945         and generate different sections and names if set.  Add generation
4946         counter for the labels so we can have multiple of them.
4947         (reset_dies): Helper to allow DIEs to be output multiple times.
4948         (dwarf2out_finish): When outputting DIEs to the fat part of an
4949         LTO object first reset DIEs.
4950         (dwarf2out_early_finish): Output early DIEs when generating LTO.
4951         (modified_type_die): Check for decl_ultimate_origin being self
4952         before recursing.
4953         (gen_type_die_with_usage): Likewise.
4954         (gen_typedef_die): Allow decl_ultimate_origin being self.
4955         (set_decl_abstract_flags): Remove.
4956         (set_block_abstract_flags): Likewise.
4957         (dwarf2out_abstract_function): Treat the early generated DIEs
4958         as the abstract copy and only add DW_AT_inline and
4959         DW_AT_artificial here and call set_decl_origin_self.
4960         If the DIE has an abstract origin don't do anything.
4961         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
4962         if we have none yet (Go fails to build one, PR78628).
4963         (variably_modified_type_p): Prevent endless recursion for Ada
4964         cyclic pointer types.
4965         * lto-streamer-in.c: Include debug.h.
4966         (dref_queue): New global.
4967         (lto_read_tree_1): Stream in DIE references.
4968         (lto_input_tree): Register DIE references.
4969         (input_function): Stream DECL_DEBUG_ARGS.
4970         * lto-streamer-out.c: Include debug.h.
4971         (lto_write_tree_1): Output DIE references.
4972         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
4973         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
4974         (output_function): Stream DECL_DEBUG_ARGS.
4975         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
4976         Stream DECL_ABSTRACT_ORIGIN.
4977         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
4978         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
4979         DECL_CONTEXT for file-scope decls.
4980         * lto-streamer.h (struct dref_entry): Declare.
4981         (dref_queue): Likewise.
4982         * cfgexpand.c (pass_expand::execute): Do not call the
4983         outlining_inline_function hook here.
4984         * lto-wrapper.c (debug_obj): New global.
4985         (tool_cleanup): Unlink it if required.
4986         (debug_objcopy): New function.
4987         (run_gcc): Handle early debug sections in the IL files by
4988         extracting them to separate files, partially linkin them and
4989         feeding the result back as result to the linker.
4990         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
4991         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
4992         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
4993         sections into a separate segment.
4994         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
4995         segments.
4996         (darwin_asm_dwarf_section): Likewise.
4997         (darwin_asm_output_dwarf_offset): Likewise.
4998         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
4999
5000 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5001             Alan Hayward  <alan.hayward@arm.com>
5002             David Sherwood  <david.sherwood@arm.com>
5003
5004         * read-md.h (md_reader::record_potential_iterator_use): Replace
5005         pointer argument with an rtx and an index.
5006         * read-rtl.c (iterator_group::apply_iterator): Likewise.
5007         (apply_mode_iterator): Likewise.
5008         (apply_code_iterator): Likewise.
5009         (apply_int_iterator): Likewise.
5010         (apply_subst_iterator): Likewise.
5011         (record_iterator_use): Likewise.
5012         (record_attribute_use): Likewise.
5013         (md_reader::record_potential_iterator_use): Likewise.  Update calls
5014         to record_iterator_use and apply_iterator.
5015         (iterator_use): Replace ptr with x and index.
5016         (attribute_use): Likewise.
5017         (apply_attribute_uses): Update calls to apply_iterator.
5018         (apply_iterators): Likewise.  Update initialization of iterator_use.
5019         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
5020         and record_potential_iterator_use.
5021         (rtx_reader::read_rtx_operand): Likewise.
5022
5023 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5024             Alan Hayward  <alan.hayward@arm.com>
5025             David Sherwood  <david.sherwood@arm.com>
5026
5027         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
5028         CONST_WIDE_INT.
5029
5030 2017-08-21  Richard Biener  <rguenther@suse.de>
5031
5032         PR middle-end/81884
5033         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
5034         at struct end conservatively when comparing common bases.
5035
5036 2017-08-21  Richard Biener  <rguenther@suse.de>
5037
5038         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
5039         (mem_ref_in_stmt): Remove.
5040         (determine_max_movement): Use ref index to get at the reference.
5041         (invariantness_dom_walker::before_dom_children): Deal with
5042         lim data already initialized.
5043         (gather_mem_refs_stmt): Initialize lim data and record ref index.
5044
5045 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5046
5047         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
5048         (TARGET_ISA_ROUND): Ditto.
5049         (TARGET_ROUND): Ditto.
5050         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
5051         * config/i386/i386.md: Ditto.
5052         * config/i386/sse.md: Ditto.
5053         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
5054         with OPTION_MASK_ISA_SSE4_1.
5055
5056 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5057
5058         PR target/81894
5059         * doc/extend.texi (x86 Built-in Functions): Correct the name of
5060         __builtin_ia32_lzcnt_u16.
5061
5062 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
5063
5064         PR target/80210
5065         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
5066         (rs6000_set_current_function): Rewrite function to use it.
5067
5068 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
5069
5070         PR c/53037
5071         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
5072         and TYPE_WARN_IF_NOT_ALIGN.
5073         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
5074         (handle_warn_if_not_align): New.
5075         (place_union_field): Call handle_warn_if_not_align.
5076         (place_field): Call handle_warn_if_not_align.
5077         Copy TYPE_WARN_IF_NOT_ALIGN.
5078         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
5079         (layout_type): Likewise.
5080         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
5081         spare to 18.
5082         (tree_decl_common): Add warn_if_not_align.
5083         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
5084         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
5085         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
5086         (DECL_WARN_IF_NOT_ALIGN): Likewise.
5087         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
5088         * doc/extend.texi: Document warn_if_not_aligned attribute.
5089         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
5090
5091 2017-08-17  Martin Liska  <mliska@suse.cz>
5092
5093         PR bootstrap/81864
5094         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
5095         (get_data_dependence): Use it as pointer type.
5096         (distribute_loop): Likewise.
5097
5098 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5099
5100         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
5101         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
5102         (p8_vmrgow_<mode>_direct): New define_insn.
5103         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
5104         handle endianness for vmrgew and vmrgow permute patterns.
5105
5106 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5107
5108         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
5109         * config/rs6000/rs6000-cpus.def: Remove comment.
5110         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
5111         (POWERPC_MASKS): Likewise.
5112         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
5113         use of TARGET_VSX_TIMODE.
5114         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
5115         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
5116         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
5117         (rs6000_option_override_internal): Remove dead code.
5118         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
5119         (rs6000_legitimize_reload_address): Likewise.
5120         (rs6000_legitimate_address_p): Likewise.
5121         (rs6000_opt_masks): Delete "vsx-timode".
5122         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
5123         from function comment.
5124         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
5125         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
5126         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
5127         condition.
5128         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
5129         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
5130         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
5131         (VSX_TI): Likewise.
5132         (VSX_M): Likewise.
5133         (define_peephole2): Likewise.
5134
5135 2017-08-17  Martin Sebor  <msebor@redhat.com>
5136
5137         PR c/81859
5138         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
5139         past the end of an array.
5140         (test_pp_format): Add test cases.
5141
5142 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
5143
5144         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
5145         missing ECF_NOTHROW flags.
5146
5147 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5148
5149         PR target/72804
5150         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
5151         operands residing in integer registers.
5152         (*vsx_le_perm_load_<mode>): Likewise.
5153         (*vsx_le_perm_store_<mode>): Likewise.
5154         (define_peephole2): Add peepholes to optimize the above.
5155
5156 2017-08-17  Marek Polacek  <polacek@redhat.com>
5157
5158         PR middle-end/81814
5159         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
5160         to mimic what shorten_compare did.  Change the return type to bool.
5161         (fold_cond_expr_with_comparison): Update call to
5162         operand_equal_for_comparison_p.
5163         (fold_ternary_loc): Likewise.
5164
5165 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
5166
5167         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
5168         register.
5169         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
5170
5171 2017-08-17  Richard Biener  <rguenther@suse.de>
5172
5173         * tree-ssa-structalias.c (solve_graph): When propagating
5174         to successors update the graphs succ edges and avoid duplicate work.
5175
5176 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
5177
5178         PR target/81861
5179         * config/i386/i386.c (ix86_option_override_internal): Save target
5180         specific options after ix86_stack_protector_guard_reg was changed.
5181
5182 2017-08-17  Richard Biener  <rguenther@suse.de>
5183
5184         PR tree-optimization/81827
5185         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
5186         (new_var_info): Initialize it conservatively.
5187         (get_call_vi): Mark register vars.
5188         (new_scalar_tmp_constraint_exp): Likewise.
5189         (handle_rhs_call): Likewise.
5190         (handle_const_call): Likewise.
5191         (create_function_info_for): Likewise.
5192         (solve_constraints): Sort varinfos to separate register from
5193         non-register vars to pack points-to solution bitmaps during
5194         iteration.
5195
5196 2017-08-17  Marek Polacek  <polacek@redhat.com>
5197
5198         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
5199
5200 2017-08-17  Richard Biener  <rguenther@suse.de>
5201
5202         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
5203         to true when overflow is undefined and we saturated the result.
5204
5205 2017-08-17  Alan Modra  <amodra@gmail.com>
5206
5207         PR target/80938
5208         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
5209         Don't use store multiple if only one reg needs saving.
5210         (interesting_frame_related_regno): New function.
5211         (rs6000_frame_related): Don't emit frame info for regs that
5212         don't need saving.
5213         (rs6000_emit_epilogue): Likewise.
5214
5215 2017-08-16  Nathan Sidwell  <nathan@acm.org>
5216
5217         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
5218         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
5219         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
5220         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
5221         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
5222         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
5223         (verify_type): Adjust for TYPE_BINFO move.
5224         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
5225         process TYPE_BINFO directly.
5226         (hash_tree): Likewise.
5227         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
5228         Likewise.
5229         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
5230         Likewise.
5231
5232 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
5233
5234         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
5235
5236 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
5237
5238         PR target/46091
5239         * config/i386/i386.md (*anddi_1_btr): Change predicates of
5240         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
5241         Add ix86_binary_operator_ok to insn constraint.
5242         (*iordi_1_bts): Ditto.
5243         (*xordi_1_btc): Ditto.
5244         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
5245         Update corresponding peephole2 pattern.
5246         (*btrq): Ditto.
5247         (*btcq): Ditto.
5248
5249 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
5250
5251         PR tree-optimization/81832
5252         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
5253         copy loop header which has IFN_LOOP_DIST_ALIAS call.
5254
5255 2017-08-16  Marek Polacek  <polacek@redhat.com>
5256
5257         PR middle/81695
5258         * fold-const.c (fold_indirect_ref_1): Restore original behavior
5259         regarding size_zero_node.
5260
5261 2017-08-16  Martin Liska  <mliska@suse.cz>
5262
5263         PR target/81753
5264         * config.gcc: Respect previously set extra_objs in case
5265         of darwin target.
5266
5267 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
5268
5269         PR tree-optimization/81835
5270         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
5271         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
5272         not depend on the phi.
5273
5274 2017-08-16  Alan Modra  <amodra@gmail.com>
5275
5276         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
5277         dead code.
5278
5279 2017-08-16  Alan Modra  <amodra@gmail.com>
5280
5281         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
5282         (save_reg_p): ..into this.  Update all callers.
5283         (first_reg_to_save): Simplify.
5284
5285 2017-08-16  Alan Modra  <amodra@gmail.com>
5286
5287         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
5288         fixed regs.
5289
5290 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
5291
5292         PR target/78460
5293         PR target/67712
5294         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
5295         constant count if that count is less than 32.
5296
5297 2017-08-15  Nathan Sidwell  <nathan@acm.org>
5298
5299         * gcc.c (execute): Emit friendlier message if inferior is killed
5300         by an external cause.
5301
5302 2017-08-15  Richard Biener  <rguenther@suse.de>
5303
5304         PR tree-optimization/81790
5305         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
5306         CONSTRUCTORs from simplifying and VN.
5307
5308 2017-08-14  Martin Sebor  <msebor@redhat.com>
5309
5310         * builtin-attrs.def: Add comments.
5311
5312 2017-08-14  Martin Sebor  <msebor@redhat.com>
5313
5314         PR c/81117
5315         * doc/extend.texi (attribute nonstring): Document new attribute.
5316
5317 2017-08-14  Martin Sebor  <msebor@redhat.com>
5318
5319         PR c/81117
5320         * tree-diagnostic.c (default_tree_printer): Handle %G.
5321         * gimple-pretty-print.h (percent_G_format): Declare new function.
5322         * gimple-pretty-print.c (percent_G_format): Define.
5323         * tree-pretty-print.c (percent_K_format): Add argument.
5324
5325 2017-08-14  Martin Sebor  <msebor@redhat.com>
5326
5327         PR translation/79998
5328         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
5329         Remove a stray space.
5330
5331 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
5332
5333         PR target/46091
5334         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
5335         (*iordi_1_bts): Ditto.
5336         (*xordi_1_btc): Ditto.
5337
5338 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5339
5340         PR target/79845
5341         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
5342         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5343         Likewise.
5344         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
5345         quoted strings, and make more translator-friendly.
5346         (darwin_rs6000_override_options): Likewise.
5347         (rs6000_option_override_internal): Likewise.
5348         (rs6000_return_in_memory): Fix overlong line.
5349         (init_cmulative_args): Use quoted strings, and make more
5350         translator-friendly.
5351         (rs6000_pass_by_reference): Fix overlong line.
5352         (def_builtin): Use quoted strings.
5353         (altivec_expand_predicate_builtin): Use quoted strings, and make
5354         more translator-friendly.
5355         (htm_expand_builtin): Use quoted strings.
5356         (cpu_expand_builtin): Use quoted strings, and make more
5357         translator-friendly.
5358         (altivec_expand_builtin): Likewise.
5359         (paired_expand_predicate_builtin): Likewise.
5360         (rs6000_invalid_builtin): Likewise.
5361         (builtin_function_type): Use quoted strings.
5362         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
5363         more translator-friendly.
5364         (rs6000_trampoline_init): Likewise.
5365         (rs6000_handle_altivec_attribute): Likewise.
5366         (rs6000_inner_target_options): Use quoted strings.
5367         (rs6000_disable_incompatible_switches): Likewise.
5368         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
5369         strings, and make more translator-friendly.
5370         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
5371
5372 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
5373
5374         PR tree-optimization/81799
5375         * tree-loop-distribution.c (version_loop_by_alias_check): Force
5376         cond_expr to simple gimple operand.
5377
5378 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
5379
5380         PR middle-end/46932
5381         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
5382
5383 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
5384
5385         PR target/81754
5386         PR target/81268
5387         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
5388         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
5389         TARGET_GASISR_PROLOGUES.
5390         * config/avr/avr.c (avr_option_override): Same.
5391         (avr_pass_pre_proep::execute): Same.
5392
5393 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
5394
5395         PR target/81820
5396         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
5397         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
5398
5399 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
5400
5401         * config/i386/i386.md (*load_tp_<mode>): Redefine as
5402         define_insn_and_split.  Split to a memory load from 0 in
5403         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
5404         using PTR mode iterator.
5405         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
5406         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
5407         (*add_tp_<mode>): Redefine as define_insn_and_split.
5408         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
5409         address space.  Merge with *add_tp_x32 using PTR mode iterator.
5410         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
5411         Split to an add with a  memory load from 0 in
5412         DEFAULT_TLS_SEG_REG address space.
5413
5414 2017-08-12  Andrew Pinski  <apinski@cavium.com>
5415
5416         * config/aarch64/aarch64-option-extensions.def (rdma):
5417         Fix feature string to what Linux prints out in /proc/cpuinfo.
5418
5419 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
5420
5421         PR ada/79542
5422         * dwarf2out.c (modified_type_die): For C typedef types that have
5423         an ultimate origin, process the ultimate origin instead of the
5424         input type.
5425         (gen_typedef_die): Assert that input DECLs have no ultimate
5426         origin.
5427         (gen_type_die_with_usage): For typedef variants that have an
5428         ultimate origin, just call gen_decl_die on the original DECL.
5429         (process_scope_var): Avoid creating DIEs for local typedefs and
5430         concrete static variables.
5431
5432 2017-08-12  Alan Modra  <amodra@gmail.com>
5433
5434         PR target/81170
5435         PR target/81295
5436         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
5437         match gnu-user.h startfile.
5438         (ENDFILE_LINUX_SPEC): Similarly.
5439
5440 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
5441
5442         PR lto/81430
5443         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
5444         Remove function.
5445         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
5446
5447 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
5448         * config/aarch64/aarch64.md (mov<mode>): Change.
5449         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
5450         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
5451         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
5452
5453 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
5454
5455         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
5456         for storage order barriers.
5457
5458 2017-08-11  Martin Liska  <mliska@suse.cz>
5459
5460         PR tree-opt/79987
5461         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
5462         variables of void type.
5463
5464 2017-08-11  Martin Liska  <mliska@suse.cz>
5465
5466         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
5467         TARGET_SUPPORTS_ALIASES.
5468         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
5469         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
5470         (optimize_weakref): Likewise.
5471         * symtab.c (symtab_node::noninterposable_alias): Likewise.
5472         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
5473         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
5474
5475 2017-08-11  Martin Liska  <mliska@suse.cz>
5476
5477         PR ipa/81213
5478         * config/i386/i386.c (make_resolver_func): Do complete
5479         refactoring of the function.
5480
5481 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5482
5483         PR target/81708
5484         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
5485         * config/i386/i386.c (ix86_stack_protect_guard): Use
5486         ix86_stack_protect_guard_symbol_str to generate varible declaration.
5487         * doc/invoke.texi (x86 Options): Document
5488         -mstack-protector-guard-symbol= option.
5489
5490 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5491
5492         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
5493         * config/i386/i386.c (ix86_split_stack_guard): New function.
5494         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
5495         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
5496         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
5497         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
5498         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
5499         (split_stack_space_check): Call ix86_split_stack_guard.
5500
5501 2017-08-10  Martin Sebor  <msebor@redhat.com>
5502
5503         * print-tree.c (print_node): Print location using the established
5504         format %s:%i%i.
5505         Replace spaces with colons.
5506         (debug_raw, debug): Ditto.
5507
5508 2017-08-10  Martin Sebor  <msebor@redhat.com>
5509
5510         PR c++/81586
5511         * pretty-print.c (pp_format): Correct the handling of %s precision.
5512
5513 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5514
5515         PR target/81736
5516         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5517         to ...
5518         (ix86_finalize_stack_frame_flags): This.  Also clear
5519         frame_pointer_needed if -fno-omit-frame-pointer is used without
5520         stack access.
5521         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5522         with ix86_finalize_stack_frame_flags.
5523         (ix86_expand_epilogue): Likewise.
5524         (ix86_expand_split_stack_prologue): Likewise.
5525         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
5526
5527 2017-08-10  Martin Liska  <mliska@suse.cz>
5528
5529         PR c++/81355
5530         * c-attribs.c (handle_target_attribute):
5531         Report warning for an empty string argument of target attribute.
5532
5533 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
5534
5535         PR c/81687
5536         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
5537         LABEL_DECLs.
5538         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
5539         or DECL_NONLOCAL labels.
5540         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
5541         or DECL_NONLOCAL labels here.
5542
5543 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
5544
5545         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
5546         to indicate when early gimple folding has been disabled.
5547         (rs6000_gimple_fold_builtin): Add debug content.
5548         (rs6000_invalid_builtin): Fix whitespace.
5549         (rs6000_expand_builtin): Fix whitespace.
5550         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
5551
5552 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
5553
5554         PR target/80938
5555         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5556         SAVE_MULTIPLE if not all the registers that saves, should be saved.
5557
5558 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
5559
5560         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
5561         (qdf24xx): Likewise.
5562         * config/aarch64/aarch64.md: Include falkor.md.
5563         * config/aarch64/falkor.md: New.
5564
5565 2017-08-09  Marek Polacek  <polacek@redhat.com>
5566
5567         PR c/81233
5568         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
5569         * diagnostic.c (emit_diagnostic): Add a comment.
5570         (emit_diagnostic_valist): New function.
5571
5572 2017-08-09  Marek Polacek  <polacek@redhat.com>
5573
5574         PR c/81417
5575         * input.c (make_location): New overload.
5576         * input.h (make_location): Declare.
5577
5578 2017-08-08  Alan Modra  <amodra@gmail.com>
5579             H.J. Lu  <hongjiu.lu@intel.com>
5580
5581         PR driver/81523
5582         * gcc.c (NO_PIE_SPEC): Delete.
5583         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
5584         exclusion..
5585         (LINK_PIE_SPEC): ..to here.
5586         (LINK_COMMAND_SPEC): Support -no-pie.
5587         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
5588         chain of crtbegin*.o selection, update for PIE_SPEC changes and
5589         format.
5590         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
5591         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
5592         (ENDFILE_CRTEND_SPEC): Similarly.
5593
5594 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
5595
5596         PR target/81708
5597         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
5598         (mstack-protector-guard-offset=): Ditto.
5599         * config/i386/i386.c (ix86_option_override): Handle
5600         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
5601         options.
5602         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
5603         ix86_stack_protect_guard_offset variables.
5604         (TARGET_STACK_PROTECT_GUARD): Always define.
5605         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
5606         and -mstack-protector-guard-offset= options.
5607
5608 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5609
5610         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
5611         boundary case for the last candidate.
5612
5613 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5614
5615         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
5616         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
5617
5618 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5619
5620         PR middle-end/19706
5621         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
5622         * config/aarch64/aarch64-builtins.c
5623         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
5624         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
5625         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
5626
5627 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5628             Andrew Pinski <pinskia@gmail.com>
5629
5630         PR middle-end/19706
5631         * internal-fn.def (XORSIGN): New.
5632         * optabs.def (xorsign_optab): New.
5633         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
5634         (convert_expand_mult_copysign): New.
5635         (pass_optimize_widening_mul::execute): Call
5636         convert_expand_mult_copysign.
5637
5638 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5639
5640         PR tree-optimization/81354
5641         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
5642         Insert on edges rather than explicitly creating landing pads.
5643         (analyze_candidates_and_replace): Commit edge inserts.
5644
5645 2017-08-08  Richard Biener  <rguenther@suse.de>
5646
5647         PR middle-end/81719
5648         * tree-ssa-loop-niter.c: Include tree-dfa.h.
5649         (expand_simple_operations): Also look through ADDR_EXPRs with
5650         MEM_REF bases treating them as POINTER_PLUS_EXPR.
5651
5652 2017-08-08  Richard Biener  <rguenther@suse.de>
5653
5654         PR tree-optimization/81723
5655         * tree-vect-slp.c (struct bst_traits): New hash traits.
5656         (bst_fail): New global.
5657         (vect_build_slp_tree_2): New worker, split out from ...
5658         (vect_build_slp_tree): ... this now wrapping it with using
5659         bst_fail set to cache SLP tree build fails.  Properly handle
5660         max_tree_size.
5661         (vect_analyze_slp_instance): Allocate and free bst_fail.
5662
5663 2017-08-08  Martin Liska  <mliska@suse.cz>
5664
5665         PR tree-opt/81696
5666         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
5667         LABEL_DECLs that can be from a different function.
5668
5669 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5670
5671         PR tree-optimization/81744
5672         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
5673         loop's number of iterations.
5674
5675 2017-08-08  Martin Liska  <mliska@suse.cz>
5676
5677         * asan.c: Include header files.
5678         * attribs.c (build_decl_attribute_variant): New function moved
5679         from tree.[ch].
5680         (build_type_attribute_qual_variant): Likewise.
5681         (cmp_attrib_identifiers): Likewise.
5682         (simple_cst_list_equal): Likewise.
5683         (omp_declare_simd_clauses_equal): Likewise.
5684         (attribute_value_equal): Likewise.
5685         (comp_type_attributes): Likewise.
5686         (build_type_attribute_variant): Likewise.
5687         (lookup_ident_attribute): Likewise.
5688         (remove_attribute): Likewise.
5689         (merge_attributes): Likewise.
5690         (merge_type_attributes): Likewise.
5691         (merge_decl_attributes): Likewise.
5692         (merge_dllimport_decl_attributes): Likewise.
5693         (handle_dll_attribute): Likewise.
5694         (attribute_list_equal): Likewise.
5695         (attribute_list_contained): Likewise.
5696         * attribs.h (lookup_attribute): New function moved from tree.[ch].
5697         (lookup_attribute_by_prefix): Likewise.
5698         * bb-reorder.c: Include header files.
5699         * builtins.c: Likewise.
5700         * calls.c: Likewise.
5701         * cfgexpand.c: Likewise.
5702         * cgraph.c: Likewise.
5703         * cgraphunit.c: Likewise.
5704         * convert.c: Likewise.
5705         * dwarf2out.c: Likewise.
5706         * final.c: Likewise.
5707         * fold-const.c: Likewise.
5708         * function.c: Likewise.
5709         * gimple-expr.c: Likewise.
5710         * gimple-fold.c: Likewise.
5711         * gimple-pretty-print.c: Likewise.
5712         * gimple.c: Likewise.
5713         * gimplify.c: Likewise.
5714         * hsa-common.c: Likewise.
5715         * hsa-gen.c: Likewise.
5716         * internal-fn.c: Likewise.
5717         * ipa-chkp.c: Likewise.
5718         * ipa-cp.c: Likewise.
5719         * ipa-devirt.c: Likewise.
5720         * ipa-fnsummary.c: Likewise.
5721         * ipa-inline.c: Likewise.
5722         * ipa-visibility.c: Likewise.
5723         * ipa.c: Likewise.
5724         * lto-cgraph.c: Likewise.
5725         * omp-expand.c: Likewise.
5726         * omp-general.c: Likewise.
5727         * omp-low.c: Likewise.
5728         * omp-offload.c: Likewise.
5729         * omp-simd-clone.c: Likewise.
5730         * opts-global.c: Likewise.
5731         * passes.c: Likewise.
5732         * predict.c: Likewise.
5733         * sancov.c: Likewise.
5734         * sanopt.c: Likewise.
5735         * symtab.c: Likewise.
5736         * toplev.c: Likewise.
5737         * trans-mem.c: Likewise.
5738         * tree-chkp.c: Likewise.
5739         * tree-eh.c: Likewise.
5740         * tree-into-ssa.c: Likewise.
5741         * tree-object-size.c: Likewise.
5742         * tree-parloops.c: Likewise.
5743         * tree-profile.c: Likewise.
5744         * tree-ssa-ccp.c: Likewise.
5745         * tree-ssa-live.c: Likewise.
5746         * tree-ssa-loop.c: Likewise.
5747         * tree-ssa-sccvn.c: Likewise.
5748         * tree-ssa-structalias.c: Likewise.
5749         * tree-ssa.c: Likewise.
5750         * tree-streamer-in.c: Likewise.
5751         * tree-vectorizer.c: Likewise.
5752         * tree-vrp.c: Likewise.
5753         * tsan.c: Likewise.
5754         * ubsan.c: Likewise.
5755         * varasm.c: Likewise.
5756         * varpool.c: Likewise.
5757         * tree.c: Remove functions moved to attribs.[ch].
5758         * tree.h: Likewise.
5759         * config/aarch64/aarch64.c: Add attrs.h header file.
5760         * config/alpha/alpha.c: Likewise.
5761         * config/arc/arc.c: Likewise.
5762         * config/arm/arm.c: Likewise.
5763         * config/avr/avr.c: Likewise.
5764         * config/bfin/bfin.c: Likewise.
5765         * config/c6x/c6x.c: Likewise.
5766         * config/cr16/cr16.c: Likewise.
5767         * config/cris/cris.c: Likewise.
5768         * config/darwin.c: Likewise.
5769         * config/epiphany/epiphany.c: Likewise.
5770         * config/fr30/fr30.c: Likewise.
5771         * config/frv/frv.c: Likewise.
5772         * config/ft32/ft32.c: Likewise.
5773         * config/h8300/h8300.c: Likewise.
5774         * config/i386/winnt.c: Likewise.
5775         * config/ia64/ia64.c: Likewise.
5776         * config/iq2000/iq2000.c: Likewise.
5777         * config/lm32/lm32.c: Likewise.
5778         * config/m32c/m32c.c: Likewise.
5779         * config/m32r/m32r.c: Likewise.
5780         * config/m68k/m68k.c: Likewise.
5781         * config/mcore/mcore.c: Likewise.
5782         * config/microblaze/microblaze.c: Likewise.
5783         * config/mips/mips.c: Likewise.
5784         * config/mmix/mmix.c: Likewise.
5785         * config/mn10300/mn10300.c: Likewise.
5786         * config/moxie/moxie.c: Likewise.
5787         * config/msp430/msp430.c: Likewise.
5788         * config/nds32/nds32-isr.c: Likewise.
5789         * config/nds32/nds32.c: Likewise.
5790         * config/nios2/nios2.c: Likewise.
5791         * config/nvptx/nvptx.c: Likewise.
5792         * config/pa/pa.c: Likewise.
5793         * config/pdp11/pdp11.c: Likewise.
5794         * config/powerpcspe/powerpcspe.c: Likewise.
5795         * config/riscv/riscv.c: Likewise.
5796         * config/rl78/rl78.c: Likewise.
5797         * config/rx/rx.c: Likewise.
5798         * config/s390/s390.c: Likewise.
5799         * config/sh/sh.c: Likewise.
5800         * config/sol2.c: Likewise.
5801         * config/sparc/sparc.c: Likewise.
5802         * config/spu/spu.c: Likewise.
5803         * config/stormy16/stormy16.c: Likewise.
5804         * config/tilegx/tilegx.c: Likewise.
5805         * config/tilepro/tilepro.c: Likewise.
5806         * config/v850/v850.c: Likewise.
5807         * config/vax/vax.c: Likewise.
5808         * config/visium/visium.c: Likewise.
5809         * config/xtensa/xtensa.c: Likewise.
5810
5811 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
5812
5813         PR target/81593
5814         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
5815         constraints since the -mupper-regs-* switches have been
5816         eliminated.
5817         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
5818         into a vector from a double word element that was extracted from
5819         another vector, and eliminate extra XXPERMDI instructions.
5820         (vsx_concat_<mode>_2): Likewise.
5821         (vsx_concat_<mode>_3): Likewise.
5822         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
5823         concat to allow optimizing inserts from previous extracts.
5824
5825 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
5826
5827         * config/i386/i386.c (ix86_stack_protect_guard): Generate
5828         memory reference to a SSP offset in TLS address space.
5829         (ix86_print_operand) <case '@'>: Remove.
5830         (ix86_print_operand_punct_valid_p): Remove '@' code.
5831         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
5832         UNSPEC_SP_TLS_TEST.
5833         (stack_tls_protect_set_<mode>): Remove.
5834         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
5835         (stack_tls_protect_test_<mode>): Remove.
5836         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
5837
5838 2017-08-07  Olivier Hainque  <hainque@adacore.com>
5839
5840         PR target/81755
5841         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
5842
5843 2017-08-07  Douglas Rupp  <rupp@adacore.com>
5844
5845         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
5846         variable was referenced as multidir in command.
5847
5848 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5849
5850         PR c/69389
5851         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
5852         BIT_FIELD_REF.
5853
5854 2017-08-07  Martin Liska  <mliska@suse.cz>
5855
5856         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
5857         * config/rl78/rl78.c: Add include of attribs.h.
5858         * config/sh/sh.c: Likewise.
5859         * config/v850/v850.c: Likewise.
5860
5861 2017-08-07  Tom de Vries  <tom@codesourcery.com>
5862
5863         PR middle-end/78266
5864         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
5865
5866 2017-08-07  Martin Liska  <mliska@suse.cz>
5867
5868         * config/mips/mips.c: Include attribs.h.
5869
5870 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
5871
5872         PR fortran/68829
5873         * doc/invoke.texi: Document change in behvaior for -Ofast for
5874         Fortran.
5875
5876 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
5877
5878         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
5879         Use gen_frame_mem.
5880         (aarch64_pop_regs): Likewise.
5881         (aarch64_gen_load_pair): Likewise.
5882         (aarch64_save_callee_saves): Likewise.
5883         (aarch64_restore_callee_saves): Likewise.
5884
5885 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5886
5887         * config/i386/i386.c: Revert the last change.
5888
5889 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5890
5891         PR target/81736
5892         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5893         to ...
5894         (ix86_finalize_stack_frame_flags): This.  Also clear
5895         frame_pointer_needed if -fno-omit-frame-pointer is used without
5896         stack access.
5897         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5898         with ix86_finalize_stack_frame_flags.
5899         (ix86_expand_epilogue): Likewise.
5900         (ix86_expand_split_stack_prologue): Likewise.
5901
5902 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5903
5904         PR target/81743
5905         * config/i386/i386.c (get_builtin_code_for_version): Set priority
5906         to P_AES for Westmere.
5907
5908 2017-08-07  Jonathan Yong  <10walls@gmail.com>
5909
5910         * config/i386/mingw.opt (fset-stack-executable): Removed.
5911         * config/i386/cygming.opt (fset-stack-executable): Moved
5912         from mingw.opt.
5913         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
5914
5915 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
5916
5917         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
5918
5919 2017-08-07  Marek Polacek  <polacek@redhat.com>
5920
5921         PR middle-end/81737
5922         * fold-const.c (fold_indirect_ref_1): Check type_domain.
5923
5924 2017-08-07  Martin Liska  <mliska@suse.cz>
5925
5926         * attribs.h (canonicalize_attr_name): New function.
5927         (cmp_attribs): Move from c-format.c and adjusted.
5928         (is_attribute_p): Moved from tree.h.
5929         * tree-inline.c: Add new includes.
5930         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
5931         (private_is_attribute_p): Remove.
5932         (private_lookup_attribute): Likewise.
5933         (private_lookup_attribute_by_prefix): Simplify.
5934         (remove_attribute): Use is_attribute_p.
5935         * tree.h: Remove removed declarations.
5936
5937 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5938
5939         PR middle-end/81698
5940         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
5941         instead of computing it in the function.  Formatting fix.
5942         (expand_case): Don't rely on default_edge being the first edge,
5943         clear it if removing it, pass default_edge to
5944         emit_case_dispatch_table.
5945         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
5946         fix.
5947
5948 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
5949
5950         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
5951         insn in the function, emit NOP after the insn.
5952
5953 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5954
5955         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
5956         and element loops.
5957
5958 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5959
5960         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
5961         loop.
5962
5963 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
5964
5965         PR tree-optimization/57371
5966         * match.pd: New pattern.
5967
5968 2017-08-04  Marek Polacek  <polacek@redhat.com>
5969
5970         PR middle-end/81695
5971         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
5972         perform the computation in offset_int.
5973
5974 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5975
5976         PR tree-optimization/81136
5977         * tree-vectorizer.h: Include tree-hash-traits.h.
5978         (vec_base_alignments): New typedef.
5979         (vec_info): Add a base_alignments field.
5980         (vect_record_base_alignments): Declare.
5981         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
5982         field.
5983         (DR_IS_CONDITIONAL_IN_STMT): New macro.
5984         (create_data_ref): Add an is_conditional_in_stmt argument.
5985         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
5986         the is_conditional_in_stmt field.
5987         (data_ref_loc): Add an is_conditional_in_stmt field.
5988         (get_references_in_stmt): Set the is_conditional_in_stmt field.
5989         (find_data_references_in_stmt): Update call to create_data_ref.
5990         (graphite_find_data_references_in_stmt): Likewise.
5991         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5992         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
5993         (vect_record_base_alignment): New function.
5994         (vect_record_base_alignments): Likewise.
5995         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
5996         for nested statements even if we fail to compute a misalignment.
5997         Use pooled base alignments for unconditional references.
5998         (vect_find_same_alignment_drs): Compare base addresses instead
5999         of base objects.
6000         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
6001         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
6002
6003 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6004
6005         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
6006         Add an explicit name for the enum.  Use auto_vec for slp_instances
6007         and grouped_stores.
6008         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
6009         for all vectors.
6010         (_bb_vec_info): Add a constructor and destructor.
6011         (vinfo_for_stmt): Return NULL for uids of -1 as well.
6012         (destroy_loop_vec_info): Delete.
6013         (vect_destroy_datarefs): Likewise.
6014         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
6015         (vec_info::vec_info): New function.
6016         (vec_info::~vec_info): Likewise.
6017         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
6018         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
6019         destroy_loop_vec_info.
6020         * tree-vect-loop.c (new_loop_vec_info): Replace with...
6021         (_loop_vec_info::_loop_vec_info): ...this.
6022         (destroy_loop_vec_info): Replace with...
6023         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
6024         the stmt_vec_infos.  Leave handling of vec_info information to its
6025         destructor.  Remove explicit vector releases.
6026         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
6027         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
6028         * tree-vect-slp.c (new_bb_vec_info): Replace with...
6029         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
6030         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
6031         (destroy_bb_vec_info): Replace with...
6032         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
6033         information to its destructor.
6034         (vect_slp_analyze_bb_1): Use new and delete instead of
6035         new_bb_vec_info and destroy_bb_vec_info.
6036         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
6037         single delete.
6038
6039 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6040
6041         * tree-data-ref.h (subscript): Add access_fn field.
6042         (data_dependence_relation): Add could_be_independent_p.
6043         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
6044         (same_access_functions): Move to tree-data-ref.c.
6045         * tree-data-ref.c (ref_contains_union_access_p): New function.
6046         (access_fn_component_p): Likewise.
6047         (access_fn_components_comparable_p): Likewise.
6048         (dr_analyze_indices): Add a reference to access_fn_component_p.
6049         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
6050         DR_ACCESS_FN.
6051         (constant_access_functions): Likewise.
6052         (add_other_self_distances): Likewise.
6053         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
6054         (initialize_data_dependence_relation): Use XCNEW and remove
6055         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
6056         of access functions that have the same type.  Allow the
6057         subsequence to end with different bases in some circumstances.
6058         Record the chosen access functions in SUB_ACCESS_FN.
6059         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
6060         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
6061         (subscript_dependence_tester_1): Likewise dra and drb.
6062         (build_classic_dist_vector): Update calls accordingly.
6063         (subscript_dependence_tester): Likewise.
6064         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
6065         DDR_COULD_BE_INDEPENDENT_P.
6066         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
6067         comp_alias_ddrs instead of may_alias_ddrs.
6068         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
6069         New function.
6070         (vect_analyze_data_ref_dependence): Use it if
6071         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
6072         distance vectors if that fails.
6073         (dependence_distance_ge_vf): New function.
6074         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
6075         LOOP_VINFO_MAY_ALIAS_DDRS.
6076
6077 2017-08-04  Richard Biener  <rguenther@suse.de>
6078
6079         PR middle-end/81705
6080         * fold-const.c (fold_binary_loc): Properly restrict
6081         minus_var0 && minus_var1 case when associating undefined overflow
6082         entities.
6083
6084 2017-08-04  Tom de Vries  <tom@codesourcery.com>
6085
6086         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
6087
6088 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6089
6090         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6091         Don't start diagnostic messages with a capital letter.
6092         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6093         Likewise.
6094         (rs6000_invalid_builtin): Likewise.
6095         (rs6000_trampoline_init): Likewise.
6096
6097 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6098
6099         PR target/81621
6100         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
6101         after setting changeable df flags.
6102
6103 2017-08-03  Richard Biener  <rguenther@suse.de>
6104
6105         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
6106         up if the use is in USE - X.
6107
6108 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
6109
6110         * toplev.c (dumpfile.h): New include.
6111         (internal_error_reentered): New static function.  Use it...
6112         (internal_error_function): ...here to handle reentered internal_error.
6113
6114 2017-08-03  Richard Biener  <rguenther@suse.de>
6115
6116         PR middle-end/81148
6117         * fold-const.c (split_tree): Add minus_var and minus_con
6118         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
6119         here but always use minus_*.
6120         (associate_trees): Assert we never associate with MINUS_EXPR
6121         and NULL first operand.  Do not recurse for PLUS_EXPR operands
6122         when associating as MINUS_EXPR either.
6123         (fold_binary_loc): Track minus_var and minus_con.
6124
6125 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6126
6127         PR lto/81430
6128         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
6129         ACCEL_COMPILER, apply finish_options on
6130         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
6131
6132 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6133
6134         PR target/81662
6135         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
6136         function_entry_patch_area_size > 0.
6137
6138 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6139
6140         PR driver/81650
6141         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
6142         instead of 10??LU, perform unit multiplication in wide_int,
6143         don't change alloc_object_size_limit if the limit is larger
6144         than SSIZE_MAX.
6145
6146         PR tree-optimization/81655
6147         PR tree-optimization/81588
6148         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
6149         the case when ranges[i].low and high are 1 for unsigned type with
6150         precision 1.
6151
6152         PR middle-end/81052
6153         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
6154         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
6155
6156 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6157
6158         * tree-vrp.h: Add include guard.
6159
6160 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
6161
6162         PR target/81644
6163         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
6164         (ud2): New insn pattern.
6165         * config/i386/i386.c (ix86_expand_epilogue):
6166         For naked functions, generate ud2 instead of trap insn.
6167
6168 2017-08-02  Marek Polacek  <polacek@redhat.com>
6169
6170         PR other/81667
6171         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
6172
6173 2017-08-02  Tom de Vries  <tom@codesourcery.com>
6174             Cesar Philippidis  <cesar@codesourcery.com>
6175
6176         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
6177         Add missing edge probabilities.
6178
6179 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
6180
6181         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
6182         Correct endianness.
6183
6184 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
6185
6186         PR middle-end/79499
6187         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
6188         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
6189         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
6190         prologue_seq sequences - if any.
6191
6192 2017-08-02  Richard Biener  <rguenther@suse.de>
6193
6194         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
6195         via vectors if supported, integer extracts via punning if supported
6196         or otherwise vector extracts.
6197
6198 2017-08-02  Richard Biener  <rguenther@suse.de>
6199
6200         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
6201         into ...
6202         (bitmap_insert_into_set): ... this.
6203
6204 2017-08-02  Richard Biener  <rguenther@suse.de>
6205
6206         PR tree-optimization/81633
6207         Revert
6208         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
6209
6210         PR tree-optimization/71752
6211         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
6212
6213 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
6214
6215         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
6216         (machine_function::call_ms2sysv_pad_out): Remove field.
6217         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
6218         (ix86_compute_frame_layout): Likewise.
6219
6220 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
6221
6222         PR target/81654
6223         * config/i386/i386.c (ix86_set_func_type): Disallow naked
6224         attribute with interrupt attribute.
6225
6226 2017-08-01  Andrew Pinski  <apinski@cavium.com>
6227
6228         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
6229         BIT_INSERT_EXPR's operand 1
6230         to see if the types precision matches.
6231
6232 2017-08-01  Martin Liska  <mliska@suse.cz>
6233
6234         PR middle-end/70140
6235         * builtins.c (expand_builtin_memcpy_args): Remove.
6236         (expand_builtin_memcpy): Call newly added function
6237         expand_builtin_memory_copy_args.
6238         (expand_builtin_memcpy_with_bounds): Likewise.
6239         (expand_builtin_mempcpy): Remove last argument.
6240         (expand_builtin_mempcpy_with_bounds): Likewise.
6241         (expand_builtin_memory_copy_args): New function created from
6242         expand_builtin_mempcpy_args with small modifications.
6243         (expand_builtin_mempcpy_args): Remove.
6244         (expand_builtin_stpcpy): Remove unused argument.
6245         (expand_builtin): Likewise.
6246         (expand_builtin_with_bounds): Likewise.
6247
6248 2017-08-01  Martin Liska  <mliska@suse.cz>
6249
6250         Revert r250771
6251         Make mempcpy more optimal (PR middle-end/70140).
6252
6253 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6254
6255         PR target/81622
6256         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
6257         __builtin_vec_cmpne verify both arguments are compatible vectors
6258         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
6259         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
6260         move computation of aligned to after checking the argument types.
6261         Formatting fixes.
6262
6263         PR target/80846
6264         * config/rs6000/vsx.md (vextract_fp_from_shorth,
6265         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
6266         calls.
6267
6268 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
6269             Doug Rupp  <rupp@adacore.com>
6270             Olivier Hainque  <hainque@adacore.com>
6271
6272         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
6273         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
6274         arm8 (arch v4).
6275         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
6276         for TARGET_OS_CPP_BUILTIN.
6277         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
6278         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
6279         arm_arch7.
6280         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
6281         passing required abi options to the assembler for EABI configurations.
6282         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
6283         of .text.hot and .text.unlikely sections for kernel modules when
6284         using ARM style exceptions.
6285         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
6286         options. Add EXTRA_CC1_SPEC.
6287         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
6288         toolchain options.
6289         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
6290         transition.
6291         (ARM_TARGET2_DWARF_FORMAT): Define.
6292         * config/arm/t-vxworks: Adjust multilib control to removal of the
6293         Diab command line options.
6294
6295 2017-08-01  Martin Liska  <mliska@suse.cz>
6296
6297         PR gcov-profile/81561
6298         * gcov.c (unblock): Make unblocking safe as we need to preserve
6299         index correspondence of blocks and block_lists.
6300
6301 2017-08-01  Richard Biener  <rguenther@suse.de>
6302
6303         PR tree-optimization/81181
6304         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
6305         (compute_antic): ... end of iteration here.
6306
6307 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
6308
6309         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
6310         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
6311         (ftree-slp-vectorize): Likewise.
6312         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
6313         can no longer be set independent of flag_tree_loop_vectorize.
6314         * omp-general.c (emp_max_vf): Likewise.
6315         * opts.c (enable_fdo_optimizations): Remove references to
6316         flag_tree_vectorize, these are now implicit.
6317         (common_handle_option): Remove handling for OPT_ftree_vectorize,
6318         and leave it for the options machinery.
6319
6320 2017-08-01  Martin Liska  <mliska@suse.cz>
6321
6322         PR middle-end/70140
6323         * builtins.c (expand_builtin_memcpy_args): Remove.
6324         (expand_builtin_memcpy): Call newly added function
6325         expand_builtin_memory_copy_args.
6326         (expand_builtin_memcpy_with_bounds): Likewise.
6327         (expand_builtin_mempcpy): Remove last argument.
6328         (expand_builtin_mempcpy_with_bounds): Likewise.
6329         (expand_builtin_memory_copy_args): New function created from
6330         expand_builtin_mempcpy_args with small modifications.
6331         (expand_builtin_mempcpy_args): Remove.
6332         (expand_builtin_stpcpy): Remove unused argument.
6333         (expand_builtin): Likewise.
6334         (expand_builtin_with_bounds): Likewise.
6335
6336 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6337
6338         PR target/81641
6339         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
6340         print "ds:" only for immediates in generic address space.
6341
6342 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6343
6344         PR target/81639
6345         * config/i386/i386.c (ix86_funciton_naked): New prototype.
6346         (ix86_function_ok_for_sibcall): Return false for naked functions.
6347
6348 2017-08-01  Richard Biener  <rguenther@suse.de>
6349
6350         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
6351         (compute_antic): Seed worklist with exit block predecessors.
6352         * cfganal.c (dfs_find_deadend): For a cycle return the source
6353         of the edge closing it.
6354
6355 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
6356
6357         * config/aarch64/aarch64.c
6358         (aarch64_can_const_movi_rtx_p): Move 0 check.
6359
6360 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6361
6362         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
6363         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
6364         above macro.
6365         * match.pd: Ditto in address comparison pattern.
6366
6367 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6368
6369         PR tree-optimization/81627
6370         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
6371         closed ssa form for store-store chain.
6372
6373 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6374
6375         PR tree-optimization/81620
6376         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
6377         for store-store chain.
6378
6379 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6380
6381         PR tree-optimization/81588
6382         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
6383         ranges[i].in_p, invert comparison code ccode.  For >/>=,
6384         swap rhs1 and rhs2 and comparison code unconditionally,
6385         for </<= don't do that.  Don't swap rhs1/rhs2 again if
6386         ranges[i].in_p, instead invert comparison code ccode if
6387         opcode or oe->rank is BIT_IOR_EXPR.
6388
6389         PR target/80846
6390         * optabs.def (vec_extract_optab, vec_init_optab): Change from
6391         a direct optab to conversion optab.
6392         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
6393         with GET_MODE_INNER as last argument instead of optab_handler.
6394         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
6395         vector extraction if possible and optab is available.
6396         * expr.c (store_constructor): Use convert_optab_handler instead
6397         of optab_handler.  Use vector initialization from smaller
6398         vectors if possible and optab is available.
6399         * tree-vect-stmts.c (vectorizable_load): Likewise.
6400         * doc/md.texi (vec_extract, vec_init): Document that the optabs
6401         now have two modes.
6402         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
6403         of vec_init from half-sized vectors with the same element mode.
6404         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
6405         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
6406         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
6407         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
6408         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
6409         after mode in gen_vec_extract* calls.
6410         (vec_extract<mode>): Renamed to ...
6411         (vec_extract<mode><ssescalarmodelower>): ... this.
6412         (vec_extract<mode><ssehalfvecmodelower>): New expander.
6413         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
6414         element mode after mode in gen_vec_init* calls.
6415         (VEC_INIT_HALF_MODE): New mode iterator.
6416         (vec_init<mode>): Renamed to ...
6417         (vec_init<mode><ssescalarmodelower>): ... this.
6418         (vec_init<mode><ssehalfvecmodelower>): New expander.
6419         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
6420         (vec_extractv2sfsf): ... this.
6421         (vec_initv2sf): Renamed to ...
6422         (vec_initv2sfsf): ... this.
6423         (vec_extractv2si): Renamed to ...
6424         (vec_extractv2sisi): ... this.
6425         (vec_initv2si): Renamed to ...
6426         (vec_initv2sisi): ... this.
6427         (vec_extractv4hi): Renamed to ...
6428         (vec_extractv4hihi): ... this.
6429         (vec_initv4hi): Renamed to ...
6430         (vec_initv4hihi): ... this.
6431         (vec_extractv8qi): Renamed to ...
6432         (vec_extractv8qiqi): ... this.
6433         (vec_initv8qi): Renamed to ...
6434         (vec_initv8qiqi): ... this.
6435         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
6436         (vec_init<mode>): Renamed to ...
6437         (vec_init<mode><VEC_base_l>): ... this.
6438         (vec_extract<mode>): Renamed to ...
6439         (vec_extract<mode><VEC_base_l>): ... this.
6440         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
6441         (vec_initv2sfsf): ... this.
6442         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
6443         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6444         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
6445         element mode after mode in gen_vec_init* calls.
6446         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
6447         (vec_init<mode><Vel>): ... this.
6448         (vec_extract<mode>): Renamed to ...
6449         (vec_extract<mode><Vel>): ... this.
6450         * config/aarch64/iterators.md (Vel): New mode attribute.
6451         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
6452         Add element mode after mode in gen_vec_extract* calls.
6453         * config/s390/vector.md (non_vec_l): New mode attribute.
6454         (vec_extract<mode>): Renamed to ...
6455         (vec_extract<mode><non_vec_l>): ... this.
6456         (vec_init<mode>): Renamed to ...
6457         (vec_init<mode><non_vec_l>): ... this.
6458         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
6459         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
6460         vec_extract mode.
6461         * config/arm/iterators.md (V_elem_l): New mode attribute.
6462         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
6463         (vec_extract<mode><V_elem_l>): ... this.
6464         (vec_extractv2di): Renamed to ...
6465         (vec_extractv2didi): ... this.
6466         (vec_init<mode>): Renamed to ...
6467         (vec_init<mode><V_elem_l>): ... this.
6468         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
6469         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
6470         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
6471         Add element mode after gen_vec_extract* calls.
6472         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
6473         (vec_init<mode><unitmode>): ... this.
6474         (vec_extract<mode>): Renamed to ...
6475         (vec_extract<mode><unitmode>): ... this.
6476         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
6477         (vec_init<mode><unitmode>): ... this.
6478         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
6479         (vec_initv2sfsf): ... this.
6480         (vec_extractv2sf): Renamed to ...
6481         (vec_extractv2sfsf): ... this.
6482         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
6483         Add element mode after gen_vec_extract* calls.
6484         * config/mips/mips.md (unitmode): New mode iterator.
6485         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
6486         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
6487         * config/spu/spu.md (inner_l): New mode attribute.
6488         (vec_init<mode>): Renamed to ...
6489         (vec_init<mode><inner_l>): ... this.
6490         (vec_extract<mode>): Renamed to ...
6491         (vec_extract<mode><inner_l>): ... this.
6492         * config/sparc/sparc.md (veltmode): New mode iterator.
6493         (vec_init<VMALL:mode>): Renamed to ...
6494         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
6495         * config/ia64/vect.md (vec_initv2si): Renamed to ...
6496         (vec_initv2sisi): ... this.
6497         (vec_initv2sf): Renamed to ...
6498         (vec_initv2sfsf): ... this.
6499         (vec_extractv2sf): Renamed to ...
6500         (vec_extractv2sfsf): ... this.
6501         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
6502         (vec_init<mode>): Renamed to ...
6503         (vec_init<mode><VEC_base_l>): ... this.
6504         (vec_extract<mode>): Renamed to ...
6505         (vec_extract<mode><VEC_base_l>): ... this.
6506         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
6507         (vec_initv2sfsf): ... this.
6508         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
6509         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6510         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
6511         gen_vec_init* calls.
6512
6513 2017-08-01  Richard Biener  <rguenther@suse.de>
6514
6515         PR tree-optimization/81297
6516         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
6517         TREE_OVERFLOW from INTEGER_CSTs.
6518
6519 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
6520
6521         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
6522
6523 2017-07-31  Carl Love  <cel@us.ibm.com>
6524
6525         * config/rs6000/rs6000-c: Add support for built-in functions
6526         vector signed char vec_xl_be (signed long long, signed char *);
6527         vector unsigned char vec_xl_be (signed long long, unsigned char *);
6528         vector signed int vec_xl_be (signed long long, signed int *);
6529         vector unsigned int vec_xl_be (signed long long, unsigned int *);
6530         vector signed long long vec_xl_be (signed long long, signed long long *);
6531         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
6532         vector signed short vec_xl_be (signed long long, signed short *);
6533         vector unsigned short vec_xl_be (signed long long, unsigned short *);
6534         vector double vec_xl_be (signed long long, double *);
6535         vector float vec_xl_be (signed long long, float *);
6536         * config/rs6000/altivec.h (vec_xl_be): Add #define.
6537         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
6538         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
6539         for the builtins.
6540         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
6541         (altivec_expand_builtin): Add switch statement to call
6542         altivec_expand_xl_be for each builtin.
6543         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
6544         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
6545         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
6546         __builtin_vsx_le_be_v16qi.
6547         * doc/extend.texi: Update the built-in documentation file for the
6548         new built-in functions.
6549
6550 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6551
6552         PR target/25967
6553         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
6554         New function.
6555         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
6556
6557 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6558
6559         * config.gcc: Add z14.
6560         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
6561         CPU model numbers for z13s and z14.
6562         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
6563         arch12 with z14.
6564         * config/s390/s390-opts.h (enum processor_type): Rename
6565         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6566         * config/s390/s390.c (processor_table): Add field for CPU name to
6567         be passed to Binutils.
6568         (s390_asm_output_machine_for_arch): Use the new field in
6569         processor_table for Binutils.
6570         (s390_expand_builtin): Replace arch12 with z14.
6571         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6572         (s390_get_sched_attrmask): Likewise.
6573         (s390_get_unit_mask): Likewise.
6574         * config/s390/s390.opt: Add z14 to processor_type enum.
6575
6576 2017-07-31  Martin Jambor  <mjambor@suse.cz>
6577
6578         PR hsa/81477
6579         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
6580         regardless of optimization level.
6581
6582 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
6583             Martin Liska  <mliska@suse.cz>
6584
6585         * predict.def: Remove old comment and adjust probability.
6586         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
6587         PREDICT statements.
6588
6589 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6590
6591         PR target/25967
6592         * config/i386/i386.c (ix86_function_naked): New function.
6593         (ix86_can_use_return_insn_p): Return false for naked functions.
6594         (ix86_expand_prologue): Skip prologue for naked functions.
6595         (ix86_expand_epilogue): Skip epilogue for naked functions
6596         and emit trap instruction.
6597         (ix86_warn_func_return): New function.
6598         (ix86_attribute_table): Add "naked" attribute specification.
6599         (TARGET_WARN_FUNC_RETURN): Define.
6600         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
6601
6602 2017-07-31  Martin Liska  <mliska@suse.cz>
6603
6604         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
6605         (dump_gimple_bb_header): Always dump BB info.
6606         (pp_cfg_jump): Do not append info about BB when dumping a jump.
6607
6608 2017-07-31  Martin Liska  <mliska@suse.cz>
6609
6610         PR sanitize/81530
6611         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
6612         also with current_function_decl non-null equality.
6613
6614 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
6615
6616         PR sanitizer/81604
6617         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
6618         change type to the element type, instead add eltype variable and
6619         use it where we are interested in the element type.
6620
6621         PR tree-optimization/81603
6622         * ipa-polymorphic-call.c
6623         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
6624         offset arithmetic in offset_int, bail out if the resulting bit offset
6625         doesn't fit into shwi.
6626
6627 2017-07-31  Martin Liska  <mliska@suse.cz>
6628
6629         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
6630         (gimplify_save_expr): Fix comment.
6631
6632 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
6633
6634         PR target/79793
6635         * config/i386/i386.c (ix86_function_arg): Update arguments for
6636         exception handler.
6637         (ix86_compute_frame_layout): Set the initial stack offset to
6638         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
6639         INCOMING_FRAME_SP_OFFSET.
6640         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
6641         stack before exception handler returns.
6642         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
6643         the 'ERROR_CODE' for exception handler.
6644
6645 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
6646
6647         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
6648         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
6649         (ASM_OUTPUT_REG_POP): Ditto.
6650         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
6651         instead of asm_fprintf to output pure string.
6652
6653 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
6654
6655         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
6656         to imported_module_or_decl hook.
6657         (debug_nothing_tree_tree_tree_bool): Remove.
6658         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
6659         * debug.c (do_nothing_debug_hooks): Use
6660         debug_nothing_tree_tree_tree_bool_bool instead of
6661         debug_nothing_tree_tree_tree_bool.
6662         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
6663         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
6664         * sdbout.c (sdb_debug_hooks): Likewise.
6665         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
6666         (gen_namespace_die): Add DW_AT_export_symbols attribute if
6667         langhook wants it.
6668         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
6669         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
6670         attribute, don't add anything.
6671
6672 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6673
6674         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
6675         (fold_build2_stat_loc): Likewise.
6676         (fold_build3_stat_loc): Likewise.
6677         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
6678         (fold_build1_loc): Remove macro.
6679         (fold_build2_loc): Likewise.
6680         (fold_build3_loc): Likewise.
6681
6682 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6683
6684         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
6685         (gimple_build_debug_bind_source_stat): Likewise.
6686         * gimple.h (gimple_build_debug_bind): Remove macro.
6687         (gimple_build_debug_bind_source): Likewise.
6688
6689 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6690
6691         * bitmap.c (bitmap_alloc): Adjust.
6692         (bitmap_gc_alloc): Likewise.
6693         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
6694
6695 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6696
6697         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
6698         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
6699         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
6700         (bitmap_gc_alloc_stat): Likewise.
6701         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
6702
6703 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6704
6705         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
6706         * rtl.h (shallow_copy_rtx): Remove macro.
6707
6708 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6709
6710         * emit-rtl.c (gen_raw_REG): Adjust.
6711         * gengenrtl.c (gendef): Likewise.
6712         * rtl.c (rtx_alloc_stat): Remove _stat from name.
6713         * rtl.h (rtx_alloc): Remove macro.
6714
6715 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6716
6717         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
6718         (build_tree_list_stat): Likewise.
6719         * tree.h (build_tree_list): Remove macro.
6720         (build_tree_list_vec): Likewise.
6721
6722 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6723
6724         * tree.c (make_vector_stat): Remove _stat from name.
6725         (build_vector_stat): Likewise.
6726         * tree.h (make_vector_stat): Remove macro.
6727         (build_vector_stat): Likewise.
6728
6729 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6730
6731         * tree.h (build_var_debug_value): Remove prototype.
6732
6733 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6734
6735         * tree.c (tree_cons_stat): Remove _stat from name.
6736         * tree.h (tree_cons): Remove macro.
6737
6738 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6739
6740         * tree.c (build_vl_exp_stat): Remove _stat from name.
6741         * tree.h (build_vl_exp): Remove macro.
6742
6743 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6744
6745         * tree.c (build_decl_stat): Remove _stat from name.
6746         * tree.h (build_decl): Remove macro.
6747
6748 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6749
6750         * gimple.c (gimple_build_with_ops_stat): Adjust.
6751         (gimple_alloc_stat): Remove _stat from name.
6752         * gimple.h (gimple_alloc): Remove macro.
6753
6754 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6755
6756         * tree.c (make_tree_vec_stat): Remove _stat from name.
6757         (grow_tree_vec_stat): Likewise.
6758         * tree.h (make_tree_vec_stat): Adjust prototype.
6759         (grow_tree_vec_stat): Likewise.
6760         (make_tree_vec): Remove macro.
6761         (grow_tree_vec): Likewise.
6762
6763 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6764
6765         * fold-const.c (fold_build1_stat_loc): Adjust.
6766         (fold_build2_stat_loc): Likewise.
6767         (fold_build3_stat_loc): Likewise.
6768         * tree.c (build0_stat): Remove _stat from name.
6769         (build1_stat): Likewise.
6770         (build2_stat): Likewise.
6771         (build3_stat): Likewise.
6772         (build4_stat): Likewise.
6773         (build5_stat): Likewise.
6774         * tree.h (build1_loc): Remove macro, and rename _stat function
6775         to this.
6776         (build2_loc): Likewise.
6777         (build3_loc): Likewise.
6778         (build4_loc): Likewise.
6779         (build5_loc): Likewise.
6780
6781 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6782
6783         * tree.c (make_int_cst_stat): Remove _stat from name.
6784         * tree.h (make_int_cst_stat): Adjust prototype.
6785         (make_int_cst): Remove macro.
6786
6787 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6788
6789         * tree.c (make_tre_binfo_stat): Remove _stat from name.
6790         * tree.h (make_tree_binfo_stat): Adjust prototype.
6791         (make_tree_binfo): Remove.
6792
6793 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6794
6795         * tree.c (copy_node_stat): Rename to copy_node.
6796         (build_distinct_type_copy): Adjust.
6797         * tree.h (copy_node_stat): Adjust prototype.
6798         (copy_node): Remove macro.
6799
6800 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6801
6802         * tree.c (make_node_stat): rename to make_node.
6803         (build_tree_list_stat): Adjust.
6804         (build0_stat): Likewise.
6805         (build2_stat): Likewise.
6806         (build3_stat): Likewise.
6807         (build4_stat): Likewise.
6808         (build5_stat): Likewise.
6809         (build_decl_stat): Likewise.
6810         * tree.h (make_node_stat): Adjust prototype.
6811         (make_node): remove macro.
6812
6813 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
6814
6815         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
6816         (PPC_FEATURE2_SCV): Likewise.
6817         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
6818
6819 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6820
6821         * config/aarch64/aarch64.c
6822         (aarch64_internal_mov_immediate): Add new special pattern.
6823         * config/aarch64/aarch64.md (*movdi_aarch64):
6824         Add reg/32bit const mov case.
6825
6826 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6827             Richard Sandiford <richard.sandiford@linaro.org>
6828
6829         * config/aarch64/aarch64.md (mov<mode>): Generalize.
6830         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
6831         Add integer and movi cases.
6832         (movi-split-hf-df-sf split, fp16): New.
6833         (enabled): Added TARGET_FP_F16INST.
6834         * config/aarch64/iterators.md (GPF_HF): New.
6835         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
6836
6837 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6838
6839         * config/aarch64/aarch64.c
6840         (aarch64_simd_container_mode): Add prototype.
6841         (aarch64_expand_mov_immediate): Add HI support.
6842         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
6843         (aarch64_can_const_movi_rtx_p): New.
6844         (aarch64_preferred_reload_class):
6845         Remove restrictions of using FP registers for certain SIMD operations.
6846         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
6847         (aarch64_valid_floating_const): Add integer move validation.
6848         (aarch64_simd_imm_scalar_p): Remove.
6849         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
6850         (aarch64_legitimate_constant_p): Expand list of supported cases.
6851         * config/aarch64/aarch64-protos.h
6852         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
6853         (aarch64_reinterpret_float_as_int): New.
6854         (aarch64_simd_imm_scalar_p): Remove.
6855         * config/aarch64/constraints.md (Uvi): New.
6856         (Dd): Split into Ds and new Dd.
6857         * config/aarch64/aarch64.md (*movsi_aarch64):
6858         Add SIMD mov case.
6859         (*movdi_aarch64): Add SIMD mov case.
6860
6861 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6862
6863         * tree-predcom.c: (struct chain): Handle store-store chain in which
6864         stores for elimination only store loop invariant values.
6865         (execute_pred_commoning_chain): Ditto.
6866         (prepare_initializers_chain_store_elim): Ditto.
6867         (prepare_finalizers): Ditto.
6868         (is_inv_store_elimination_chain): New function.
6869         (initialize_root_vars_store_elim_1): New function.
6870
6871 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6872
6873         * tree-predcom.c: Revise general description of the pass.
6874         (enum chain_type): New enum type for store elimination.
6875         (struct chain): New field supporting store elimination.
6876         (struct component): Ditto.
6877         (dump_chain): Dump store-stores chain.
6878         (release_chain): Release resources.
6879         (split_data_refs_to_components): Compute and create component
6880         contains only stores for elimination.
6881         (get_chain_last_ref_at): New function.
6882         (make_invariant_chain): Initialization.
6883         (make_rooted_chain): Specify chain type in parameter and record it.
6884         (add_looparound_copies): Skip for store-stores chain.
6885         (determine_roots_comp): Compute type of chain and pass it to
6886         make_rooted_chain.
6887         (initialize_root_vars_store_elim_2): New function.
6888         (finalize_eliminated_stores): New function.
6889         (remove_stmt): Handle store for elimination.
6890         (execute_pred_commoning_chain): Execute predictive commoning on
6891         store-store chains.
6892         (determine_unroll_factor): Skip unroll for store-stores chain.
6893         (prepare_initializers_chain_store_elim): New function.
6894         (prepare_initializers_chain): Hanlde store-store chain.
6895         (prepare_finalizers_chain, prepare_finalizers): New function.
6896         (tree_predictive_commoning_loop): Return integer value indicating
6897         if loop is unrolled or lcssa form is corrupted.
6898         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
6899
6900 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6901
6902         * tree-predcom.c (initialize_root): Delete.
6903         (execute_pred_commoning_chain): Initialize root vars and replace
6904         reference of non-combined chain directly, rather than call above
6905         function.
6906
6907 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6908
6909         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
6910         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
6911
6912 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6913
6914         * tree-predcom.c (struct chain): New field init_seq.
6915         (release_chain): Release init_seq.
6916         (prepare_initializers_chain): Record intialization stmts in above
6917         field.
6918         (insert_init_seqs): New function.
6919         (tree_predictive_commoning_loop): Call insert_init_seqs.
6920
6921 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6922
6923         * tree-predcom.c (determine_roots_comp): Skip trivial components.
6924
6925 2017-07-28  Richard Biener  <rguenther@suse.de>
6926
6927         * match.pd: Remove superfluous :c.
6928         * genmatch.c (simplify::id): Add member.
6929         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
6930         Copy id.
6931         (current_id): New global.
6932         (dt_node::parent): Move from ...
6933         (dt_operand::parent): ... here.  Add for_id member.
6934         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
6935         (decision_tree::find_node): Relax order requirement when
6936         merging DT_TRUE nodes to ones inbetween the current simplify
6937         and the one we try to merge with.  Add diagnostic whenever
6938         we need to enforce pattern order by not merging.
6939         (decision_tree::insert): Set current_id.
6940         (decision_tree::print_node): Dump parent node and for_id.
6941         (parser::last_id): Add member.
6942         (parser::push_simplify): Assign unique id.
6943         (parser::parser): Initialize last_id.
6944
6945 2017-07-28  Martin Liska  <mliska@suse.cz>
6946
6947         PR sanitizer/81340
6948         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
6949         gimple_build_debug_bind.
6950
6951 2017-07-28  Richard Biener  <rguenther@suse.de>
6952
6953         PR tree-optimization/81502
6954         * match.pd: Add pattern combining BIT_INSERT_EXPR with
6955         BIT_FIELD_REF.
6956         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
6957         size/pos operands.
6958         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
6959         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
6960         for BIT_FIELD_REF args.
6961         * fold-const.c (make_bit_field_ref): Likewise.
6962         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
6963
6964 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6965
6966         PR sanitizer/80998
6967         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
6968         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
6969         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
6970         Or it into SANITIZER_UNDEFINED.
6971         * ubsan.c: Include gimple-fold.h and varasm.h.
6972         (ubsan_expand_ptr_ifn): New function.
6973         (instrument_pointer_overflow): New function.
6974         (maybe_instrument_pointer_overflow): New function.
6975         (instrument_object_size): Formatting fix.
6976         (pass_ubsan::execute): Call instrument_pointer_overflow
6977         and maybe_instrument_pointer_overflow.
6978         * internal-fn.c (expand_UBSAN_PTR): New function.
6979         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
6980         * sanitizer.def (__ubsan_handle_pointer_overflow,
6981         __ubsan_handle_pointer_overflow_abort): New builtins.
6982         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
6983         * internal-fn.def (UBSAN_PTR): New internal function.
6984         * opts.c (sanitizer_opts): Add pointer-overflow.
6985         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
6986         * fold-const.c (build_range_check): Compute pointer range check in
6987         integral type if pointer arithmetics would be needed.  Formatting
6988         fixes.
6989
6990 2017-07-28  Martin Liska  <mliska@suse.cz>
6991
6992         PR sanitizer/81460
6993         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
6994         parameters that are of a variable-length.
6995
6996 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6997
6998         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
6999         rs6000/biarch64.h.
7000         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
7001         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7002         (CRT_CALL_STATIC_FUNCTION): Likewise.
7003         (ASM_DEFAULT_SPEC): New define.
7004         (ASM_SPEC32): Likewise.
7005         (ASM_SPEC64): Likewise.
7006         (ASM_SPEC_COMMON): Likewise.
7007         (ASM_SPEC): Likewise.
7008         (INVALID_64BIT): Likewise.
7009         (LINK_OS_DEFAULT_SPEC): Likewise.
7010         (LINK_OS_SPEC32): Likewise.
7011         (LINK_OS_SPEC64): Likewise.
7012         (POWERPC_LINUX): Likewise.
7013         (PTRDIFF_TYPE): Likewise.
7014         (RESTORE_FP_PREFIX): Likewise.
7015         (RESTORE_FP_SUFFIX): Likewise.
7016         (SAVE_FP_PREFIX): Likewise.
7017         (SAVE_FP_SUFFIX): Likewise.
7018         (SIZE_TYPE): Likewise.
7019         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7020         (TARGET_64BIT): Likewise.
7021         (TARGET_64BIT): Likewise.
7022         (TARGET_AIX): Likewise.
7023         (WCHAR_TYPE_SIZE): Likewise.
7024         (WCHAR_TYPE): Undefine.
7025         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
7026         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
7027         (CPP_OS_RTEMS_SPEC): Delete.
7028         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
7029         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
7030         link_os_spec64.
7031         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
7032
7033 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
7034
7035         PR tree-optimization/81578
7036         * tree-parloops.c (build_new_reduction): Bail out if
7037         reduction_code isn't one of the standard OpenMP reductions.
7038         Move the details printing after that decision.
7039
7040 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7041
7042         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
7043         related to reload_in_progress.
7044         (splat_input_operand): Likewise.
7045         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
7046         Delete prototype.
7047         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
7048         field.
7049         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
7050         (TARGET_INSTANTIATE_DECLS): Likewise.
7051         (legitimate_indexed_address_p): Delete reload_in_progress code.
7052         (rs6000_debug_legitimate_address_p): Likewise.
7053         (rs6000_eliminate_indexed_memrefs): Likewise.
7054         (rs6000_emit_le_vsx_store): Likewise.
7055         (rs6000_emit_move_si_sf_subreg): Likewise.
7056         (rs6000_emit_move): Likewise.
7057         (register_to_reg_type): Likewise.
7058         (rs6000_pre_atomic_barrier): Likewise.
7059         (rs6000_machopic_legitimize_pic_address): Likewise.
7060         (rs6000_allocate_stack_temp): Likewise.
7061         (rs6000_address_for_fpconvert): Likewise.
7062         (rs6000_address_for_altivec): Likewise.
7063         (rs6000_secondary_memory_needed_rtx): Delete function.
7064         (rs6000_check_sdmode): Likewise.
7065         (rs6000_alloc_sdmode_stack_slot): Likewise.
7066         (rs6000_instantiate_decls): Likewise.
7067         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7068         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
7069         Delete reload_in_progress.
7070         (*vec_reload_and_plus_<mptrsize>): Likewise.
7071         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
7072         (vsx_div_v2di): Likewise.
7073         (vsx_udiv_v2di): Likewise.
7074
7075 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7076
7077         * config/rs6000/rs6000.opt (mlra): Replace with stub.
7078         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
7079         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
7080         (rs6000_debug_reg_global): Delete print of LRA status.
7081         (rs6000_option_override_internal): Delete dead LRA related code.
7082         (rs6000_lra_p): Delete function.
7083         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
7084
7085 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7086
7087         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
7088         * config/riscv/rtems.h: New file.
7089
7090 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7091             Sudakshina Das  <sudi.das@arm.com>
7092
7093         * config/aarch64/aarch64.md
7094         (define_split for and<mode>3nr_compare): Move
7095         non aarch64_logical_operand to a register.
7096         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
7097         register immediate operand to a register.
7098         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
7099
7100 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7101
7102         PR middle-end/81564
7103         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
7104
7105 2017-07-27  Richard Biener  <rguenther@suse.de>
7106
7107         PR tree-optimization/81573
7108         PR tree-optimization/81494
7109         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
7110         multi defuse cycle case.
7111
7112 2017-07-27  Richard Biener  <rguenther@suse.de>
7113
7114         PR tree-optimization/81571
7115         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
7116         PHIs.
7117
7118 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
7119
7120         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
7121         earlier and only if MASK_FPU is set.  Adjust formatting.
7122
7123 2017-07-27  Martin Liska  <mliska@suse.cz>
7124
7125         * opt-functions.awk: Add validation of value of Init.
7126         * optc-gen.awk: Pass new argument.
7127
7128 2017-07-27  Martin Liska  <mliska@suse.cz>
7129
7130         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
7131         Fix wrong condition.
7132
7133 2017-07-27  Martin Liska  <mliska@suse.cz>
7134
7135         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
7136         BBs and edges seen by autoFDO.
7137
7138 2017-07-27  Richard Biener  <rguenther@suse.de>
7139
7140         PR tree-optimization/81502
7141         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
7142         with incompatible but same sized type.
7143         (execute_update_addresses_taken): Likewise.
7144
7145 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
7146
7147         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
7148         flag_tree_loop_vectorize rather than flag_tree_vectorize.
7149
7150 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7151
7152         PR target/81534
7153         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
7154         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
7155         Change s_operand to memory_operand.
7156
7157 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
7158
7159         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
7160         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
7161         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
7162         Emit instructions rather than returning an expression.  Handle TFmode
7163         and KFmode by casting to TImode.
7164         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
7165         (rs6000_emit_le_vsx_store): Likewise.
7166         * config/rs6000/vsx.md (VSX_TI): New iterator.
7167         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
7168         (*vsx_le_undo_permute_<mode>): Likewise.
7169         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
7170         emit the split sequence.
7171         (*vsx_le_perm_store_<mode>): Likewise.
7172
7173 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
7174
7175         PR tree-optimization/81555
7176         PR tree-optimization/81556
7177         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
7178         if true, force CHANGED for the recursive invocation.
7179         (reassociate_bb): Remember original length of ops array, pass
7180         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
7181
7182         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
7183         attributes for noipa attribute.  For naked attribute use
7184         lookup_attribute first before lookup_attribute_spec.
7185         * final.c (rest_of_handle_final): Disable IPA RA for functions with
7186         noipa attribute.
7187         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
7188         for functions with noipa attribute.
7189         (cgraph_externally_visible_p): Return true for functions with noipa
7190         attribute.
7191         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
7192         for functions with noipa attribute.
7193         * doc/extend.texi: Document noipa function attribute.
7194         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
7195         also for functions with noipa attribute.
7196         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
7197
7198 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7199
7200         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
7201         vec_unalign_load_cost and vec_unalign_store_cost.
7202
7203 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
7204
7205         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
7206         -mvsx-small-integer option.
7207         (ISA_3_0_MASKS_IEEE): Likewise.
7208         (OTHER_VSX_VECTOR_MASKS): Likewise.
7209         (POWERPC_MASKS): Likewise.
7210         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
7211         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
7212         code, only testing for DImode being allowed in non-VSX floating
7213         point registers.
7214         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
7215         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
7216         another VSX test.
7217         (rs6000_option_override_internal): Delete -mvsx-small-integer.
7218         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
7219         TARGET_P8_VECTOR test.
7220         (rs6000_secondary_reload_simple_move): Likewise.
7221         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
7222         since TARGET_P9_VECTOR was already tested.
7223         (rs6000_opt_masks): Remove -mvsx-small-integer.
7224         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
7225         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7226         used.
7227         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
7228         test for TARGET_VEXTRACTUB was used, and that uses
7229         TARGET_P9_VECTOR.
7230         (p9 extract splitter): Likewise.
7231         (vsx_extract_<mode>_di_p9): Likewise.
7232         (vsx_extract_<mode>_store_p9): Likewise.
7233         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
7234         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
7235         the elimination of TARGET_VSX_SMALL_INTEGER.
7236         (vsx_extract_<mode>_p8): Likewise.
7237         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
7238         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
7239         (vsx_set_<mode>_p9): Likewise.
7240         (vsx_set_v4sf_p9): Likewise.
7241         (vsx_set_v4sf_p9_zero): Likewise.
7242         (vsx_insert_extract_v4sf_p9): Likewise.
7243         (vsx_insert_extract_v4sf_p9_2): Likewise.
7244         * config/rs6000/rs6000.md (sign extend splitter): Change
7245         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
7246         (floatsi<mode>2_lfiwax_mem): Likewise.
7247         (floatunssi<mode>2_lfiwzx_mem): Likewise.
7248         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
7249         since a test for TARGET_P9_VECTOR was used.
7250         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7251         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
7252         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7253         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7254         TARGET_P8_VECTOR test.
7255         (fix_trunc<mode>si2_stfiwx): Likewise.
7256         (fix_trunc<mode>si2_internal): Likewise.
7257         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
7258         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7259         used.
7260         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7261         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7262         TARGET_P8_VECTOR test.
7263         (fixuns_trunc<mode>si2_stfiwx): Likewise.
7264         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
7265         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7266         used.
7267         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7268         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
7269         since a test for TARGET_P9_VECTOR was used.
7270         (splitter for loading small constants): Likewise.
7271
7272 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7273
7274         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
7275         vec_fp_stmt_cost.
7276
7277 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
7278
7279         PR target/81563
7280         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
7281         (fp_valid_at): Likewise.
7282
7283 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7284
7285         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
7286         (qdf24xx_addrcost_table): Likewise.
7287         (cortexa57_tunings): Update to use generic_branch_cost.
7288         (cortexa72_tunings): Likewise.
7289         (cortexa73_tunings): Likewise.
7290         (qdf24xx_tunings): Likewise.
7291
7292 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7293
7294         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
7295         (thunderx2t99_branch_cost): Likewise.
7296         (cortexa35_tunings): Update to use generic_branch_cost.
7297         (cortexa53_tunings): Likewise.
7298         (cortexa57_tunings): Likewise.
7299         (cortexa72_tunings): Likewise.
7300         (cortexa73_tunings): Likewise.
7301         (thunderx2t99_tunings): Likewise.
7302
7303 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7304
7305         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
7306         (sparc_option_override): Honour MASK_FSMULD.
7307         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
7308         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
7309         * config/sparc/sparc.opt (mfsmuld): New option.
7310         * doc/invoke.texi (mfsmuld): Document option.
7311
7312 2017-07-26  Marek Polacek  <polacek@redhat.com>
7313
7314         PR middle-end/70992
7315         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
7316
7317 2017-07-26  Richard Biener  <rguenther@suse.de>
7318
7319         * gimple-match-head.c (do_valueize): Return OP if valueize
7320         returns NULL_TREE.
7321         (get_def): New helper to get at the def stmt of a SSA name
7322         if valueize allows.
7323         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
7324         do_valueize to get at the def stmt.
7325         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
7326
7327 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
7328
7329         PR middle-end/46932
7330         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
7331
7332 2017-07-26  Martin Liska  <mliska@suse.cz>
7333
7334         PR sanitize/81186
7335         * function.c (expand_function_start): Make expansion of
7336         nonlocal_goto_save_area after parm_birth_insn.
7337
7338 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7339
7340         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
7341         from all CPU target flags enable members.
7342
7343 2017-07-26  Richard Biener  <rguenther@suse.de>
7344
7345         * genmatch.c (dt_simplify::gen): Make iterator vars const.
7346         (decision_tree::gen): Make 'type' const.
7347         (write_predicate): Likewise.
7348
7349 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7350
7351         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
7352         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
7353         (rs6000_option_override_internal): Likewise.
7354         (rs6000_expand_vector_set): Likewise.
7355         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
7356         (TARGET_UPPER_REGS_SF): Likewise.
7357         (TARGET_UPPER_REGS_DI): Likewise.
7358         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
7359         (TARGET_DIRECT_MOVE_64BIT): Likewise.
7360         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
7361         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7362         (Splitters for DI constants in Altivec registers): Likewise.
7363         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
7364         (vsx_set_v4sf_p9): Likewise.
7365         (vsx_set_v4sf_p9_zero): Likewise.
7366         (vsx_insert_extract_v4sf_p9): Likewise.
7367         (vsx_insert_extract_v4sf_p9_2): Likewise.
7368
7369 2017-07-25  Carl Love  <cel@us.ibm.com>
7370
7371         * doc/extend.texi: Update the built-in documentation file for the
7372         existing built-in functions
7373         vector signed char vec_cnttz (vector signed char);
7374         vector unsigned char vec_cnttz (vector unsigned char);
7375         vector signed short vec_cnttz (vector signed short);
7376         vector unsigned short vec_cnttz (vector unsigned short);
7377         vector signed int vec_cnttz (vector signed int);
7378         vector unsigned int vec_cnttz (vector unsigned int);
7379         vector signed long long vec_cnttz (vector signed long long);
7380         vector unsigned long long vec_cnttz (vector unsigned long long);
7381
7382 2017-07-25  Andrew Pinski  <apinski@cavium.com>
7383
7384         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
7385         accesses where the use is for the first operand of a BIT_INSERT.
7386
7387 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7388
7389         PR bootstrap/81521
7390         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7391         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7392
7393 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7394
7395         * config/i386/gstabs.h: Delete.
7396         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
7397
7398 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
7399
7400         * config/i386/i386.c (ix86_decompose_address): Do not check for
7401         register RTX when looking at index_reg or base_reg.
7402         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
7403
7404 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
7405
7406         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
7407         to update EH info here.
7408
7409 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7410
7411         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
7412
7413 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7414
7415         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
7416
7417 2017-07-25  Torsten Duwe  <duwe@suse.de>
7418
7419         * common.opt: Introduce -fpatchable-function-entry
7420         command line option, and its variables function_entry_patch_area_size
7421         and function_entry_patch_area_start.
7422         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
7423         including a two-value parser.
7424         * target.def (print_patchable_function_entry): New target hook.
7425         * targhooks.h (default_print_patchable_function_entry): New function.
7426         * targhooks.c (default_print_patchable_function_entry): Likewise.
7427         * toplev.c (process_options): Switch off IPA-RA if
7428         patchable function entries are being generated.
7429         * varasm.c (assemble_start_function): Look at the
7430         patchable-function-entry command line switch and current
7431         function attributes and maybe generate NOP instructions by
7432         calling the print_patchable_function_entry hook.
7433         * doc/extend.texi: Document patchable_function_entry attribute.
7434         * doc/invoke.texi: Document -fpatchable_function_entry
7435         command line option.
7436         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
7437         New target hook.
7438         * doc/tm.texi: Re-generate.
7439
7440 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
7441
7442         PR target/81532
7443         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
7444         TARGET_AVX512DQ rather than TARGET_AVX512BW.
7445
7446 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
7447
7448         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
7449
7450 2017-07-25  Richard Biener  <rguenther@suse.de>
7451
7452         PR tree-optimization/81455
7453         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
7454         not walk in cycles when looking for guards.
7455
7456 2017-07-25  Richard Biener  <rguenther@suse.de>
7457
7458         PR tree-optimization/81529
7459         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
7460         when optimizing backedge uses.
7461
7462 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
7463
7464         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
7465         character for AIX.
7466         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
7467         to dl_section_ref.  On AIX, append an expression to subtract
7468         the size of the section length to dl_section_ref.
7469
7470 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
7471
7472         * configure.ac: If any of the config.* scripts fail, exit 1.
7473         * configure: Regenerate.
7474
7475 2017-07-25  Richard Biener  <rguenther@suse.de>
7476
7477         PR middle-end/81546
7478         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
7479         of immediate uses, be more verbose on errors.
7480
7481 2017-07-25  Richard Biener  <rguenther@suse.de>
7482
7483         PR tree-optimization/81510
7484         * tree-vect-loop.c (vect_is_simple_reduction): When the
7485         reduction stmt is not inside the loop bail out.
7486
7487 2017-07-25  Richard Biener  <rguenther@suse.de>
7488
7489         PR tree-optimization/81303
7490         * tree-vect-loop-manip.c (vect_loop_versioning): Build
7491         profitability check against LOOP_VINFO_NITERSM1.
7492
7493 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7494
7495         * domwalk.c (cmp_bb_postorder): Simplify.
7496         (sort_bbs_postorder): New function.  Use it...
7497         (dom_walker::walk): ...here to optimize common cases.
7498
7499 2017-07-25  Martin Liska  <mliska@suse.cz>
7500
7501         PR ipa/81520
7502         * ipa-visibility.c (function_and_variable_visibility): Make the
7503         redirection just on target that supports aliasing.
7504         Fix GNU coding style.
7505
7506 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7507
7508         PR libgcc/61152
7509         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
7510         Format changes.
7511         * config/arm/rtems.h: Likewise.
7512         * config/bfin/rtems.h: Likewise.
7513         * config/i386/rtemself.h: Likewise.
7514         * config/lm32/rtems.h: Likewise.
7515         * config/m32c/rtems.h: Likewise.
7516         * config/m68k/rtemself.h: Likewise.
7517         * config/microblaze/rtems.h: Likewise.
7518         * config/mips/rtems.h: Likewise.
7519         * config/moxie/rtems.h: Likewise.
7520         * config/nios2/rtems.h: Likewise.
7521         * config/powerpcspe/rtems.h: Likewise.
7522         * config/rs6000/rtems.h: Likewise.
7523         * config/rtems.h: Likewise.
7524         * config/sh/rtems.h: Likewise.
7525         * config/sh/rtemself.h: Likewise.
7526         * config/sparc/rtemself.h: Likewise.
7527
7528 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7529
7530         PR 81487
7531         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
7532         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
7533         * tree-ssa-structalias.c (alias_get_name): Same.
7534
7535 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
7536
7537         PR target/81414
7538         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
7539         instructions if no du chain is found.
7540
7541 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7542
7543         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
7544
7545 2017-07-25  Richard Biener  <rguenther@suse.de>
7546
7547         PR middle-end/81505
7548         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
7549         sticky.
7550
7551 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7552
7553         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
7554         upper-regs options.
7555         (ISA_2_7_MASKS_SERVER): Likewise.
7556         (ISA_3_0_MASKS_IEEE): Likewise.
7557         (OTHER_P8_VECTOR_MASKS): Likewise.
7558         (OTHER_VSX_VECTOR_MASKS): Likewise.
7559         (POWERPC_MASKS): Likewise.
7560         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
7561         duplicate list of options.
7562         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
7563         explicit -mupper-regs options.
7564         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
7565         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
7566         alias for -mupper-regs-df.
7567         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
7568         (rs6000_init_hard_regno_mode_ok): Likewise.
7569         (rs6000_option_override_internal): Likewise.
7570         (rs6000_opt_masks): Likewise.
7571         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
7572         options in terms of whether -mvsx or -mpower8-vector was used.
7573         (TARGET_UPPER_REGS_DI): Likewise.
7574         (TARGET_UPPER_REGS_SF): Likewise.
7575         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
7576         -mupper-regs-* options.
7577
7578 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7579
7580         * passes.c (emergency_dump_function): Print some empty lines and a
7581         header before the RTL dump.
7582
7583 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7584
7585         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
7586
7587 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
7588
7589         PR target/79041
7590         * config/aarch64/aarch64.c (aarch64_classify_symbol):
7591         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
7592
7593 2017-07-24  Carl Love  <cel@us.ibm.com>
7594
7595         * config/rs6000/rs6000-c.c: Add support for built-in functions
7596         vector float vec_extract_fp32_from_shorth (vector unsigned short);
7597         vector float vec_extract_fp32_from_shortl (vector unsigned short);
7598         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
7599         vec_extract_fp_from_shortl): Add defines for the two builtins.
7600         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
7601         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
7602         new builtins.
7603         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
7604         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
7605         * doc/extend.texi: Update the built-in documentation file for the
7606         new built-in function.
7607
7608 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
7609
7610         PR bootstrap/81521
7611         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
7612         documentation.
7613         * doc/generic.texi: Likewise.
7614         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7615         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7616
7617 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
7618
7619         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
7620         (aarch64_mls_elt_merge<mode>): Likewise.
7621
7622 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
7623
7624         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
7625         having __cxa_atexit.
7626
7627 2017-07-23  Michael Collison  <michael.collison@arm.com>
7628
7629         * config/arm/arm.c (arm_option_override): Deprecate
7630         use of -mstructure-size-boundary.
7631         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
7632         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
7633
7634 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7635
7636         PR target/80695
7637         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
7638         Reduce cost estimate for direct moves.
7639
7640 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
7641
7642         PR target/80569
7643         * config/i386/i386.c (ix86_option_override_internal): Disable
7644         BMI, BMI2 and TBM instructions for -m16.
7645
7646 2017-07-21  Carl Love  <cel@us.ibm.com>
7647
7648         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7649         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7650         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7651         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7652         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7653         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7654         VMULOSW): New enum "unspec" values.
7655         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7656         altivec_vmulosw): New patterns.
7657         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7658         VMULOSW): Add definitions.
7659
7660 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
7661
7662         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
7663         (qdf24xx): Likewise.
7664         * config/aarch64/aarch64-options-extensions.def (rdma); New.
7665         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
7666         (AARCH64_FL_V8_1): Renumber.
7667         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
7668         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
7669         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
7670         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
7671         rdma to feature modifiers list.
7672
7673 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
7674
7675         PR middle-end/56727
7676         * ipa-visibility (function_and_variable_visibility): Convert
7677         recursive PLT call to direct call if appropriate.
7678
7679 2017-07-21  Andrew Pinski  <apinski@cavium.com>
7680
7681         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
7682         operand 1 to see if the types precision matches.
7683         * fold-const.c (operand_equal_p): Likewise.
7684
7685 2017-07-21  Richard Biener  <rguenther@suse.de>
7686
7687         PR tree-optimization/81303
7688         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
7689         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
7690         (vect_peeling_hash_get_lowest_cost): Adjust.
7691         (vect_enhance_data_refs_alignment): Likewise.  Use
7692         vect_get_peeling_costs_all_drs to compute the penalty for no
7693         peeling to match up costs.
7694
7695 2017-07-21  Richard Biener  <rguenther@suse.de>
7696
7697         PR tree-optimization/81500
7698         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
7699         we didn't identify a reduction path.
7700
7701 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7702             Cesar Philippidis  <cesar@codesourcery.com>
7703
7704         PR gcov-profile/81442
7705         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
7706         probabilities.
7707
7708 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7709
7710         PR lto/81430
7711         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
7712         function.
7713         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
7714         nvptx_override_options_after_change.
7715
7716 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
7717
7718         * dwarf2out.c (output_file_names): Avoid double testing for
7719         dwarf_version >= 5.
7720
7721 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
7722
7723         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
7724
7725 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7726
7727         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
7728         hot/cold regions.
7729         (try_crossjump_to_edge): Do not punt on partitioned functions.
7730
7731 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7732
7733         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7734         Put all BBs reachable only via paths crossing cold region to cold
7735         region.
7736         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
7737
7738 2016-07-21  Richard Biener  <rguenther@suse.de>
7739
7740         PR tree-optimization/81303
7741         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
7742         into account prologue and epilogue iterations when raising
7743         min_profitable_iters to sth at least covering one vector iteration.
7744
7745 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
7746
7747         * config/arm/arm.c (arm_test_cpu_arch_dat):
7748         Check for overlap.
7749
7750 2017-07-20  Nathan Sidwell  <nathan@acm.org>
7751
7752         Remove TYPE_METHODS.
7753         * tree.h (TYPE_METHODS): Delete.
7754         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
7755         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
7756         (dbxout_type_methods): Scan TYPE_FIELDS.
7757         (dbxout_type): Don't check TYPE_METHODS here.
7758         * function.c (use_register_for_decl): Always ignore register for
7759         class types when not optimizing.
7760         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
7761         * tree.c (free_lang_data_in_type): Stitch out member functions and
7762         templates from TYPE_FIELDS.
7763         (build_distinct_type_copy, verify_type_variant,
7764         verify_type): Member fns are on TYPE_FIELDS.
7765         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
7766         * tree-pretty-print.c (dump_generic_node): Likewise.
7767
7768 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
7769
7770         PR target/80846
7771         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
7772         V2TImode and V4TImode.
7773         (ix86_expand_vector_extract): Likewise.
7774         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
7775         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
7776         (ssescalarmode): Handle V4TImode and V2TImode.
7777         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
7778         (*vec_extractv2ti, *vec_extractv4ti): New insns.
7779         (VEXTRACTI128_MODE): New mode iterator.
7780         (splitter for *vec_extractv?ti first element): New.
7781         (VEC_INIT_MODE): New mode iterator.
7782         (vec_init<mode>): Consolidate 3 expanders into one using
7783         VEC_INIT_MODE mode iterator.
7784
7785 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7786
7787         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
7788         non_spilled_static_chain_regno_p.
7789
7790 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7791
7792         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
7793
7794 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
7795
7796         * bb-reorder.c (connect_traces): Allow copying of blocks within
7797         single partition.
7798
7799 2017-07-20  Richard Biener  <rguenther@suse.de>
7800
7801         * gimple.h (gimple_phi_result): Add gphi * overload.
7802         (gimple_phi_result_ptr): Likewise.
7803         (gimple_phi_arg): Likewise.  Adjust index assert to only
7804         allow actual argument accesses rather than all slots available
7805         by capacity.
7806         (gimple_phi_arg_def): Add gphi * overload.
7807         * tree-phinodes.c (make_phi_node): Initialize only actual
7808         arguments.
7809         (resize_phi_node): Clear memory not covered by old node,
7810         do not initialize excess argument slots.
7811         (reserve_phi_args_for_new_edge): Initialize new argument slot
7812         completely.
7813
7814 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
7815
7816         PR tree-optimization/81388
7817         Revert r238585:
7818         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
7819
7820         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
7821         by removing computation of may_be_zero.
7822
7823 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7824             Tom de Vries  <tom@codesourcery.com>
7825
7826         PR middle-end/81030
7827         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
7828         when gimple level profile disagrees with what RTL expander did.
7829
7830 2017-07-20  Richard Biener  <rguenther@suse.de>
7831
7832         PR tree-optimization/61171
7833         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
7834         (vect_analyze_stmt): Add slp instance parameter.
7835         (vectorizable_reduction): Likewise.
7836         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
7837         (vect_is_simple_reduction): Deal with chains not detected
7838         as SLP reduction chain, specifically not properly associated
7839         chains containing a mix of plus/minus.
7840         (get_reduction_op): Remove.
7841         (get_initial_defs_for_reduction): Simplify, pass in whether
7842         this is a reduction chain, pass in the SLP node for the PHIs.
7843         (vect_create_epilog_for_reduction): Get the SLP instance as
7844         arg and adjust.
7845         (vectorizable_reduction): Get the SLP instance as arg.
7846         During analysis remember the SLP node with the PHIs in the
7847         instance.  Simplify getting at the vectorized reduction PHIs.
7848         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
7849         through SLP instance.
7850         (vect_slp_analyze_operations): Likewise.
7851         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
7852         (vect_transform_stmt): Likewise.
7853
7854 2017-07-20  Tom de Vries  <tom@codesourcery.com>
7855
7856         PR tree-optimization/81489
7857         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
7858         read of phi arg location to before loop that modifies phi.
7859
7860 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
7861
7862         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
7863         New pattern.
7864
7865 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7866
7867         PR middle-end/81331
7868         * except.c (execute): Fix ordering issue.
7869
7870 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7871
7872         PR rtl-optimization/81423
7873         * combine.c (make_compound_operation_int): Don't try to optimize
7874         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
7875
7876 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7877
7878         PR rtl-optimization/81423
7879         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
7880         with a constant that is -1 in the truncated to mode.
7881
7882 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7883
7884         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
7885         (determine_unlikely_bbs): ... here.
7886         * predict.h (propagate_unlikely_bbs_forward): Declare.
7887         * cfgexpand.c (pass_expand::execute): Use it.
7888         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
7889         unlikely edges.
7890         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
7891         propagate_unlikely_bbs_forward.
7892
7893 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7894
7895         PR middle-end/81331
7896         * except.c (maybe_add_nop_after_section_switch): New function.
7897         (execute): Use it.
7898
7899 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7900
7901         * gimple.h (gimple_phi_set_arg): Make assert more strict.
7902
7903 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7904
7905         * gimple.h (gimple_phi_arg): Make assert more strict.
7906
7907 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
7908
7909         * config.gcc (powerpc*-*-*): Add mmintrin.h.
7910         * config/rs6000/mmintrin.h: New file.
7911         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
7912
7913 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7914
7915         PR tree-optimization/81346
7916         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
7917
7918 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7919
7920         * config/nvptx/nvptx.md (VECIM): Add V2DI.
7921
7922 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7923
7924         * config/nvptx/nvptx-modes.def: Add V2DImode.
7925         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
7926         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
7927         (nvptx_output_mov_insn): Handle lack of mov.b128.
7928         (nvptx_print_operand): Handle 'H' and 'L' codes.
7929         (nvptx_vector_mode_supported): Allow V2DImode.
7930         (nvptx_preferred_simd_mode): New function.
7931         (nvptx_data_alignment): New function.
7932         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
7933         nvptx_preferred_simd_mode.
7934         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
7935         64 to 128 bits.
7936         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
7937
7938 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7939
7940         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
7941         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
7942         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
7943         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
7944         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
7945         (mov<VECIM>_insn): New define_insn.
7946         (define_expand "mov<VECIM>): New define_expand.
7947
7948 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7949
7950         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
7951
7952 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7953
7954         PR tree-optimization/81346
7955         * fold-const.h (fold_div_compare, range_check_type): Declare.
7956         * fold-const.c (range_check_type): New function.
7957         (build_range_check): Use range_check_type.
7958         (fold_div_compare): No longer static, rewritten into
7959         a match.pd helper function.
7960         (fold_comparison): Don't call fold_div_compare here.
7961         * match.pd (X / C1 op C2): New optimization using fold_div_compare
7962         as helper function.
7963
7964 2017-07-19  Nathan Sidwell  <nathan@acm.org>
7965
7966         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
7967         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
7968         * tree.c (find_decls_types_r, verify_type): Use
7969         TYPE_{MIN,MAX}_VALUE_RAW.
7970         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
7971         (hash_tree): Likewise.
7972         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
7973         Likewise.
7974         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
7975         Likewise.
7976
7977 2017-07-18  Tom de Vries  <tom@codesourcery.com>
7978
7979         PR middle-end/81464
7980         * omp-expand.c (expand_omp_for_static_chunk): Handle
7981         equal-argument loop exit phi.
7982
7983 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
7984
7985         PR target/81471
7986         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
7987         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
7988         operand 2 predicate.
7989         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
7990         operand 2 predicate.
7991         (ror,rol -> rorx splitters): Use const_int_operand as
7992         operand 2 predicate.
7993
7994 2017-06-18  Richard Biener  <rguenther@suse.de>
7995
7996         PR tree-optimization/81410
7997         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
7998         the gap in the ! slp_perm SLP case after each group.
7999
8000 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8001
8002         PR middle-end/81463
8003         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
8004         again.
8005
8006 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8007
8008         PR middle-end/81462
8009         * predict.c (set_even_probabilities): Cleanup; do not affect
8010         probabilities that are already known.
8011         (combine_predictions_for_bb): Call even when count is set.
8012
8013 2017-07-18  Nathan Sidwell  <nathan@acm.org>
8014
8015         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
8016         TYPE_MAX_VALUE.
8017
8018 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8019
8020         PR target/81408
8021         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
8022         optimization for loop niter analysis.
8023
8024 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
8025
8026         PR target/81473
8027         * config/avr/avr.c (avr_optimize_casesi): Don't use
8028         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
8029
8030 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8031
8032         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
8033         body_cost_vec from _vect_peel_extended_info.
8034         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
8035         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
8036         npeel.
8037
8038 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8039
8040         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
8041
8042 2017-07-18  Richard Biener  <rguenther@suse.de>
8043
8044         PR tree-optimization/80620
8045         PR tree-optimization/81403
8046         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
8047         info when re-using a VN table entry.
8048
8049 2017-07-18  Richard Biener  <rguenther@suse.de>
8050
8051         PR tree-optimization/81418
8052         * tree-vect-loop.c (vectorizable_reduction): Properly compute
8053         vectype_in.  Verify that with lane-reducing reduction operations
8054         we have a single def-use cycle.
8055
8056 2017-07-17  Carl Love  <cel@us.ibm.com>
8057
8058         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
8059
8060         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8061         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8062         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8063         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8064         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8065         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
8066         VMULOSW): New enum "unspec" values.
8067         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
8068         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
8069         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
8070         altivec_vmulosw): New patterns.
8071         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8072         VMULOSW): Add definitions.
8073 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
8074
8075         * config/alpha/alpha.c: Include predict.h.
8076
8077 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
8078
8079         * tree-vrp.c (compare_assert_loc): Fix comparison function
8080         to return predictable results.
8081
8082 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8083
8084         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
8085         option.
8086         (subdi3): Likewise.
8087         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
8088         * doc/invoke.texi (mexpand-adddi): Update text.
8089
8090 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8091
8092         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
8093         that also clobbers the CC register. The old expand code is moved
8094         to ...
8095         (*arc_clzsi2): ... here.
8096         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
8097         the CC register. The old expand code is moved to ...
8098         (arc_ctzsi2): ... here.
8099
8100 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8101
8102         * config/arc/arc.opt (mindexed-loads): Use initial value
8103         TARGET_INDEXED_LOADS_DEFAULT.
8104         (mauto-modify-reg): Use initial value
8105         TARGET_AUTO_MODIFY_REG_DEFAULT.
8106         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8107         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8108         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8109         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8110
8111 2017-07-17  Martin Liska  <mliska@suse.cz>
8112
8113         PR sanitizer/81302
8114         * opts.c (finish_options): Do not allow -fgnu-tm
8115         w/ -fsanitize={kernel-,}address.  Say sorry.
8116
8117 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8118
8119         PR target/81369
8120         * tree-loop-distribution.c (classify_partition): Only assert on
8121         numer of iterations.
8122         (merge_dep_scc_partitions): Delete prameter.  Update function call.
8123         (distribute_loop): Remove code handling loop with unknown niters.
8124         (pass_loop_distribution::execute): Skip loop with unknown niters.
8125
8126 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8127
8128         PR target/81369
8129         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
8130         function sort_partitions_by_post_order.
8131
8132 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8133
8134         PR tree-optimization/81374
8135         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
8136         the max index of basic blocks, rather than number of basic blocks.
8137
8138 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8139
8140         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
8141         proto.
8142         (arc_legitimate_pic_operand_p): Likewise.
8143         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
8144         function.
8145         (arc_needs_pcl_p): Likewise.
8146         (arc_legitimate_pc_offset_p): Likewise.
8147         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
8148         function is also used in constrains.md.
8149         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
8150         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
8151         PLUS.  Only return true/false in known cases, otherwise assert.
8152         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
8153         is already called in arc_legitimate_constant_p.
8154         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
8155         pic addresses.
8156         (LEGITIMATE_PIC_OPERAND_P): Use
8157         arc_raw_symbolic_reference_mentioned_p function.
8158         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
8159         function.
8160         (Cal): Likewise.
8161         (C32): Likewise.
8162
8163 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8164         Andrew Burgess  <andrew.burgess@embecosm.com>
8165
8166         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
8167         (arc_return_address_register): New function.
8168         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
8169         (arc_handle_fndecl_attribute): Add naked attribute.
8170         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
8171         (TARGET_WARN_FUNC_RETURN): Likewise.
8172         (arc_allocate_stack_slots_for_args): New function.
8173         (arc_warn_func_return): Likewise.
8174         (machine_function): Change type fn_type.
8175         (arc_compute_function_type): Consider new naked function type,
8176         change function return type.
8177         (arc_must_save_register): Adapt to handle new
8178         arc_compute_function_type's return type.
8179         (arc_expand_prologue): Likewise.
8180         (arc_expand_epilogue): Likewise.
8181         (arc_return_address_regs): Delete.
8182         (arc_return_address_register): New function.
8183         (arc_epilogue_uses): Use above function.
8184         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
8185         (arc_function_type): Change encoding, add naked type.
8186         (ARC_INTERRUPT_P): Change to handle the new encoding.
8187         (ARC_FAST_INTERRUPT_P): Likewise.
8188         (ARC_NORMAL_P): Define.
8189         (ARC_NAKED_P): Likewise.
8190         (arc_compute_function_type): Delete prototype.
8191         * config/arc/arc.md (in_ret_delay_slot): Use
8192         arc_return_address_register function.
8193         (simple_return): Likewise.
8194         (p_return_i): Likewise.
8195
8196 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8197
8198         PR tree-optimization/81428
8199         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
8200         can't be built for those types.
8201
8202 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8203
8204         Remove stuff dead since r239246.
8205
8206         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
8207         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
8208         (avr_inform_devices): Remove dead stuff.
8209
8210 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
8211
8212         * config/arm/arm_neon.h: Fix softp typo.
8213
8214 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8215
8216         PR tree-optimization/81365
8217         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
8218         aggregate moves onto bb predecessor edges, make sure there are no
8219         loads that could alias the lhs in between the start of bb and the
8220         loads from *phi.
8221
8222 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8223
8224         PR 80929
8225         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
8226         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
8227         [LSHIFTRT, outer_code = TRUNCATE]: Same.
8228
8229 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8230
8231         PR tree-optimization/81396
8232         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
8233         (init_symbolic_number): Initialize it to 1.
8234         (perform_symbolic_merge): Add n_ops from both operands into the new
8235         n_ops.
8236         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
8237         without base_addr as useless if they need more than one operation.
8238         (bswap_replace): Handle !bswap case for NULL base_addr.
8239
8240 2017-07-17  Tom de Vries  <tom@codesourcery.com>
8241
8242         PR target/81069
8243         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
8244         as possible.
8245
8246 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8247
8248         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
8249         conditional builtin define __FIX_LEON3FT_B2BST.
8250
8251 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
8252
8253         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
8254         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
8255         with -mfix-ut700.
8256
8257 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8258
8259         PR rtl-optimization/81424
8260         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
8261         to remove potential trapping from operands if -fnon-call-exceptions.
8262
8263 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8264
8265         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
8266         profile_proability for scalling.
8267         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
8268
8269 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8270
8271         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
8272
8273 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8274
8275         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
8276         fixpoint arithmetics.
8277
8278 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8279
8280         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
8281         fixpoint arithmetics.
8282
8283 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8284
8285         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
8286         fixpoint arithmetics.
8287
8288 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8289
8290         * profile-count.h (profile_probability::from_reg_br_prob_note,
8291         profile_probability::to_reg_br_prob_note): New functions.
8292         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
8293         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
8294         * predict.c (probability_reliable_p): Update.
8295         (edge_probability_reliable_p): Update.
8296         (br_prob_note_reliable_p): Update.
8297         (invert_br_probabilities): Update.
8298         (add_reg_br_prob_note): New function.
8299         (combine_predictions_for_insn): Update.
8300         * asan.c (asan_clear_shadow): Update.
8301         * cfgbuild.c (compute_outgoing_frequencies): Update.
8302         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
8303         (update_br_prob_note): Update.
8304         (rtl_verify_edges): Update.
8305         (purge_dead_edges): Update.
8306         (fixup_reorder_chain): Update.
8307         * emit-rtl.c (try_split): Update.
8308         * ifcvt.c (cond_exec_process_insns): Update.
8309         (cond_exec_process_if_block): Update.
8310         (dead_or_predicable): Update.
8311         * internal-fn.c (expand_addsub_overflow): Update.
8312         (expand_neg_overflow): Update.
8313         (expand_mul_overflow): Update.
8314         * loop-doloop.c (doloop_modify): Update.
8315         * loop-unroll.c (compare_and_jump_seq): Update.
8316         * optabs.c (emit_cmp_and_jump_insn_1): Update.
8317         * predict.h: Update.
8318         * reorg.c (mostly_true_jump): Update.
8319         * rtl.h: Update.
8320         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
8321         * config/alpha/alpha.c (emit_unlikely_jump): Update.
8322         * config/arc/arc.c: (emit_unlikely_jump): Update.
8323         * config/arm/arm.c: (emit_unlikely_jump): Update.
8324         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
8325         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
8326         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
8327         (ix86_print_operand): Update.
8328         (ix86_split_fp_branch): Update.
8329         (predict_jump): Update.
8330         * config/ia64/ia64.c (ia64_print_operand): Update.
8331         * config/mmix/mmix.c (mmix_print_operand): Update.
8332         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
8333         (rs6000_expand_split_stack_prologue): Update.
8334         * config/rs6000/rs6000.c: Update.
8335         * config/s390/s390.c (s390_expand_vec_strlen): Update.
8336         (s390_expand_vec_movstr): Update.
8337         (s390_expand_cs_tdsi): Update.
8338         (s390_expand_split_stack_prologue): Update.
8339         * config/sh/sh.c (sh_print_operand): Update.
8340         (expand_cbranchsi4): Update.
8341         (expand_cbranchdi4): Update.
8342         * config/sparc/sparc.c (output_v9branch): Update.
8343         * config/spu/spu.c (get_branch_target): Update.
8344         (ea_load_store_inline): Update.
8345         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
8346         * config/tilepro/tilepro.c: Update.
8347
8348 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8349
8350         * gimplify.c (mostly_copy_tree_r): Revert latest change.
8351         (gimplify_save_expr): Likewise.
8352
8353 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8354
8355         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
8356
8357 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8358
8359         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
8360         TV_IPA_FNSUMMARY.
8361         * timevar.def (TV_IPA_FNSUMMARY): Define.
8362
8363 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
8364
8365         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
8366         to back store errata sensitive sequence from being generated.
8367         (sqrtdf2_fix): Likewise.
8368
8369 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8370
8371         * tree-ssa-threadupdate.c (compute_path_counts,
8372         update_joiner_offpath_counts): Use profile_probability.
8373
8374 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8375
8376         Revert:
8377         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8378
8379         * config/arm/arm-c.c (arm_cpu_builtins): Define
8380         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8381
8382 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8383
8384         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8385         array entries to represent __ieee128 versions of the
8386         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
8387         scalar_extract_sig, and scalar_insert_exp built-in functions.
8388         (altivec_resolve_overloaded_builtin): Add special case handling
8389         for the __builtin_scalar_insert_exp function, as represented by
8390         the P9V_BUILTIN_VEC_VSIEDP constant.
8391         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
8392         exponent support for __ieee128 argument.
8393         (VSESQP): Add scalar extract signature support for __ieee128
8394         argument.
8395         (VSTDCNQP): Add scalar test negative support for __ieee128
8396         argument.
8397         (VSIEQP): Add scalar insert exponent support for __int128 argument
8398         with __ieee128 result.
8399         (VSIEQPF): Add scalar insert exponent support for __ieee128
8400         argument with __ieee128 result.
8401         (VSTDCQP): Add scalar test data class support for __ieee128
8402         argument.
8403         (VSTDCNQP): Add overload support for scalar test negative with
8404         __ieee128 argument.
8405         (VSTDCQP): Add overload support for scalar test data class
8406         __ieee128 argument.
8407         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
8408         UNSPEC_VSX_SXSIGDP.
8409         (UNSPEC_VSX_SIEXPQP): New constant.
8410         (xsxexpqp): New insn for VSX scalar extract exponent quad
8411         precision.
8412         (xsxsigqp): New insn for VSX scalar extract significand quad
8413         precision.
8414         (xsiexpqpf): New insn for VSX scalar insert exponent quad
8415         precision with floating point argument.
8416         (xststdcqp): New expand for VSX scalar test data class quad
8417         precision.
8418         (xststdcnegqp): New expand for VSX scalar test negative quad
8419         precision.
8420         (xststdcqp): New insn to match expansions for VSX scalar test data
8421         class quad precision and VSX scalar test negative quad precision.
8422         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
8423         special case operand checking to enforce that second operand of
8424         VSX scalar test data class with quad precision argument is a 7-bit
8425         unsigned literal.
8426         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
8427         prototypes and descriptions of __ieee128 versions of
8428         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
8429         scalar_test_data_class, and scalar_test_neg built-in functions.
8430
8431 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8432
8433         PR tree-optimization/81162
8434         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
8435         replace a negate with an add.
8436
8437 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
8438
8439         * doc/invoke.texi (arm/-mcpu): Document +crypto.
8440
8441 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8442
8443         * config/arm/arm-c.c (arm_cpu_builtins): Define
8444         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8445
8446 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8447
8448         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
8449         (armv8-r): Set ARM Cortex-R52 as default CPU.
8450         * config/arm/arm-tables.opt: Regenerate.
8451         * config/arm/arm-tune.md: Regenerate.
8452         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
8453         Cortex-R52.
8454         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
8455         extension for -mcpu=cortex-r52.
8456
8457 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8458
8459         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
8460         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
8461         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
8462         (fp-armv8): Define it as FP_ARMv8 only.
8463         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
8464         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
8465         TARGET_FPU_ARMV8.
8466         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
8467         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
8468         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
8469         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
8470         than TARGET_FPU_ARMV8.
8471         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
8472         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
8473         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
8474         TARGET_FPU_ARMV8.
8475         * config/arm/neon.md (neon_vrint): Likewise.
8476         (neon_vcvt): Likewise.
8477         (neon_<fmaxmin_op><mode>): Likewise.
8478         (<fmaxmin><mode>3): Likewise.
8479         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
8480         * config/arm/predicates.md (arm_cond_move_operator): Check against
8481         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
8482
8483 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
8484
8485         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
8486         to top of function.
8487
8488 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8489
8490         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
8491         loop in comment with memset.
8492
8493 2017-07-14  Martin Liska  <mliska@suse.cz>
8494
8495         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
8496         * dwarf2out.c (is_java): Remove the function.
8497         (output_pubname): Remove usage of the function.
8498         (lower_bound_default): Remove usage of DW_LANG_Java.
8499         (gen_compile_unit_die): Likewise.
8500         * gcc.c: Remove compiler defaults for .java and .zip files.
8501         * gimple-expr.c (remove_suffix): Change as there's no longer
8502         extension than 4-letter one.
8503         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
8504         (gimplify_save_expr): Likewise.
8505         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
8506         as it's possible even for other languages than Java.
8507         * langhooks.h (struct lang_hooks): Remove Java from a comment.
8508         * lto-opts.c (lto_write_options): Remove reference to Java.
8509         * opts.c (strip_off_ending): Update file extension handling.
8510         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
8511         * tree-eh.c (lower_resx): Likewise.
8512         * tree.c (free_lang_data_in_type): Remove dead code.
8513         (find_decls_types_r): Likewise.
8514         (build_common_builtin_nodes): Remove Java from a comment.
8515         (verify_type): Remove dead code.
8516         * varasm.c (assemble_external): Remove Java from a comment.
8517
8518 2017-07-14  Martin Liska  <mliska@suse.cz>
8519
8520         * opts.c (finish_options): Add quotes.
8521         (common_handle_option): Likewise.
8522
8523 2017-07-14  Martin Liska  <mliska@suse.cz>
8524
8525         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
8526         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
8527         Remove N_SO_PASCAL.
8528         * dwarf2out.c (lower_bound_default): Do not handle
8529         DW_LANG_Pascal83.
8530         (gen_compile_unit_die): Likewise.
8531         * gcc.c: Remove default extension binding for GNU Pascal.
8532         * stmt.c: Remove Pascal language from a comment.
8533         * xcoffout.c: Likewise.
8534
8535 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
8536
8537         PR c/81405
8538         * diagnostic-show-locus.c (fixit_cmp): New function.
8539         (layout::layout): Sort m_fixit_hints.
8540         (column_range::column_range): Assert that the values are valid.
8541         (struct char_span): New struct.
8542         (correction::overwrite): New method.
8543         (struct source_line): New struct.
8544         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
8545         calls in terms of classes source_line and char_span, and
8546         correction::overwrite.
8547         (selftest::test_overlapped_fixit_printing_2): New function.
8548         (selftest::diagnostic_show_locus_c_tests): Call it.
8549
8550 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
8551
8552         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
8553         early if there is no lhs.
8554
8555 2017-07-13  Martin Liska  <mliska@suse.cz>
8556
8557         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
8558         (gen_reference_type_die): Likewise.
8559         * stor-layout.c: Remove Pascal-related comment.
8560
8561 2017-07-13  Martin Liska  <mliska@suse.cz>
8562
8563         * opts.c (finish_options): Add quotes to error messages.
8564         (parse_sanitizer_options): Likewise.
8565
8566 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8567
8568         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
8569
8570 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
8571
8572         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
8573
8574 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8575
8576         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
8577         during expansion.
8578         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
8579
8580 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8581
8582         PR target/81193
8583         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
8584         provides the hardware capability bits, define the macro
8585         __BUILTIN_CPU_SUPPORTS__.
8586         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
8587         if GLIBC does not provide the hardware capability bits.  Add a
8588         gcc_unreachable call if the built-in cpu function is neither
8589         __builtin_cpu_is nor __builtin_cpu_supports.
8590         (rs6000_get_function_versions_dispatcher): Change the warning
8591         that an old GLIBC is used which does not export the capability
8592         bits to be an error.
8593         * doc/extend.texi (target_clones attribute): Document the
8594         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
8595         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
8596         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
8597         the macros defined by GCC if the newer GLIBC is available.
8598
8599 2017-07-12  Jeff Law  <law@redhat.com>
8600
8601         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
8602         remaining includes slightly.
8603         * config/riscv/riscv-builtins.c: Include profile-count.h.
8604
8605 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8606
8607         PR target/79883
8608         * config/avr/avr.c (avr_set_current_function): In diagnostic
8609         messages: Quote keywords and (parts of) identifiers.
8610         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
8611         "INTERUPT".
8612
8613 2017-07-12  Carl Love  <cel@us.ibm.com>
8614
8615         * config/rs6000/rs6000-c.c: Add support for built-in functions
8616         vector bool char vec_revb (vector bool char);
8617         vector bool short vec_revb (vector short char);
8618         vector bool int vec_revb (vector bool int);
8619         vector bool long long vec_revb (vector bool long long);
8620         * doc/extend.texi: Update the built-in documentation file for the
8621         new built-in functions.
8622
8623 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8624
8625         * config/s390/s390.md: Remove movcc splitter.
8626
8627 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8628
8629         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
8630         load/store on condition.
8631
8632 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8633
8634         PR target/81407
8635         * config/avr/avr.c (avr_encode_section_info)
8636         [progmem && !TREE_READONLY]: Error if progmem object needs
8637         constructing.
8638
8639 2017-07-11  Michael Collison  <michael.collison@arm.com>
8640
8641         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
8642         New pattern.
8643
8644 2017-07-11  Carl Love  <cel@us.ibm.com>
8645
8646         * config/rs6000/rs6000-c.c: Add support for builtins
8647         vector unsigned int vec_parity_lsbb (vector signed int);
8648         vector unsigned int vec_parity_lsbb (vector unsigned int);
8649         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
8650         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
8651         vector unsigned long long vec_parity_lsbb (vector signed long long);
8652         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
8653         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
8654         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
8655         * doc/extend.texi: Update the built-in documentation file for the
8656         new built-in functions.
8657
8658 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
8659
8660         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
8661         (layout::m_primary_loc): New field.
8662         (layout::layout): Initialize new field.  Move location filtering
8663         logic from here to...
8664         (layout::maybe_add_location_range): ...this new method.  Add
8665         support for filtering to just the lines already specified by other
8666         locations.
8667         (layout::will_show_line_p): New method.
8668         (gcc_rich_location::add_location_if_nearby): New method.
8669         (selftest::test_add_location_if_nearby): New test function.
8670         (selftest::diagnostic_show_locus_c_tests): Call it.
8671         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
8672         New method.
8673
8674 2017-07-11  Tom de Vries  <tom@codesourcery.com>
8675
8676         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
8677         (bb_first_real_insn): New function.
8678         (nvptx_single): Add extra initialization of broadcasted condition
8679         variables.
8680
8681 2017-07-11  Nathan Sidwell  <nathan@acm.org>
8682
8683         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
8684
8685 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
8686
8687         * doc/extend.texi (AVR Function Attributes): Remove weblink to
8688         Binutils doc as TEXI will mess them up.
8689         * doc/invoke.texi (AVR Options): Same here.
8690
8691 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
8692
8693         * config/sparc/sparc.opt (mfix-ut700): New option.
8694         (mfix-gr712rc): Likewise.
8695         (sparc_fix_b2bst): New variable.
8696         * doc/invoke.texi (SPARC options): Document them.
8697         (ARM options): Fix warnings.
8698         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
8699         instructions to prevent sequences that can trigger the store-store
8700         errata for certain LEON3FT processors.
8701         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
8702         (sparc_option_override): Set sparc_fix_b2bst appropriately.
8703         * config/sparc/sparc.md (fix_b2bst): New attribute.
8704         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
8705
8706 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
8707
8708         PR target/81375
8709         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
8710         (rcpps): Ditto.
8711         (*rsqrtsf2_sse): Ditto.
8712         (rsqrtsf2): Ditto.
8713         (div<mode>3): Macroize insn from divdf3 and divsf3
8714         using MODEF mode iterator.
8715
8716 2017-07-10  Martin Sebor  <msebor@redhat.com>
8717
8718         PR tree-optimization/80397
8719         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
8720         instead of testing for equality to INTEGER_TYPE.
8721
8722 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
8723
8724         * config.gcc: Remove uclibc from arc target spec.
8725
8726 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
8727
8728         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
8729
8730 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8731
8732         PR lto/80838
8733         * lto-wrapper.c (remove_option): New function.
8734         (merge_and_complain): Merge PIC/PIE options more realistically.
8735
8736 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8737
8738         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
8739
8740         PR target/20296
8741         PR target/81268
8742         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
8743         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
8744         * config.in: Regenerate.
8745         * configure: Regenerate.
8746         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
8747         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
8748         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
8749         (TARGET_GASISR_PROLOGUES): ...target mask.
8750         * common/config/avr/avr-common.c
8751         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
8752         Set -mgas-isr-prologues.
8753         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
8754         INSERT_PASS_BEFORE for it.
8755         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
8756         * config/avr/avr.c (avr_option_override)
8757         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
8758         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
8759         (avr_attribute_table) <no_gccisr>: Add new function attribute.
8760         (avr_set_current_function) <is_no_gccisr>: Init machine field.
8761         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
8762         and rtl_opt_pass.
8763         (make_avr_pass_pre_proep): New function.
8764         (emit_push_sfr) <treg>: Add argument to function and use it
8765         instead of TMP_REG.
8766         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
8767         and set machine->gasisr.yes.
8768         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
8769         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
8770         __gcc_isr.n_pushed to .L__stack_usage.
8771         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
8772         (avr_asm_final_postscan_insn): ...this new static function.
8773         * config/avr/avr.h (machine_function)
8774         <is_no_gccisr, use_L__stack_usage>: New fields.
8775         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
8776         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
8777         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
8778         (gasisr, *gasisr): New expander and insn.
8779         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
8780         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
8781         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
8782
8783 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
8784
8785         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
8786         in quoted strings.
8787
8788 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8789
8790         Move jump-tables out of .text again.
8791
8792         PR target/81075
8793         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
8794         (ASM_OUTPUT_ADDR_VEC): New function.
8795         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
8796         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
8797         INSN_ADDRESSes as asm comment.
8798         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
8799         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
8800         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
8801         * config/avr/avr.md (*tablejump): Adjust comment.
8802         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
8803         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
8804         New detail.
8805         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
8806         (avr_output_addr_vec): New proto.
8807         (avr_log_t) <insn_addresses>: New field.
8808
8809 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
8810
8811         PR target/81313
8812         * config/i386/i386.c (ix86_function_arg_advance): Set
8813         outgoing_args_on_stack to true if there are outgoing arguments
8814         on stack.
8815         (ix86_function_arg): Likewise.
8816         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
8817         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
8818         * config/i386/i386.h (machine_function): Add
8819         outgoing_args_on_stack.
8820
8821 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
8822
8823         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
8824         supporting pthreds.
8825         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
8826
8827 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
8828
8829         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
8830         (REAL_H): Remove $(MACHMODE_H).
8831         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
8832         double-int.h.
8833         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
8834         $(MACHMODE_H) and double-int.h.
8835         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
8836         $(MACHMODE_H).
8837         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
8838         double-int.h.
8839
8840 2017-07-07  Andrew Pinski  <apinski@cavium.com>
8841
8842         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
8843         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
8844
8845 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
8846
8847         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
8848         Add warning if GCC was not configured to link against a GLIBC that
8849         exports the hardware capability bits.
8850         (make_resolver_func): Make resolver function private and not a
8851         COMDAT function.  Create the name with clone_function_name instead
8852         of make_unique_name.
8853
8854         PR target/81348
8855         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
8856         correct operand in doing the split.
8857
8858 2017-07-07 Carl Love  <cel@us.ibm.com>
8859
8860         * config/rs6000/rs6000-c: Add support for built-in function
8861         vector unsigned short vec_pack_to_short_fp32 (vector float,
8862                                                       vector float).
8863         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
8864         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
8865         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
8866         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
8867         (convert_4f32_8i16): Add define_expand.
8868         * doc/extend.texi: Update the built-in documentation file for the
8869         new built-in function.
8870
8871 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8872
8873         * config/sparc/m8.md: New file.
8874         * config/sparc/sparc.md: Include m8.md.
8875
8876 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8877
8878         * config/sparc/sparc.opt: New option -mvis4b.
8879         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
8880         (sparc_option_override): Handle VIS4B.
8881         (enum sparc_builtins): Define
8882         SPARC_BUILTIN_DICTUNPACK{8,16,32},
8883         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
8884         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
8885         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
8886         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
8887         (check_constant_argument): New function.
8888         (sparc_vis_init_builtins): Define builtins
8889         __builtin_vis_dictunpack{8,16,32},
8890         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
8891         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
8892         __builtin_vis_fpcmpde{8,16,32}shl and
8893         __builtin_vis_fpcmpur{8,16,32}shl.
8894         (sparc_expand_builtin): Check that the constant operands to
8895         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
8896         constant and in range.
8897         * config/sparc/sparc-c.c (sparc_target_macros): Handle
8898         TARGET_VIS4B.
8899         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
8900         (SPARC_IMM5_P): Likewise.
8901         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
8902         (enabled): Handle vis4b.
8903         (UNSPEC_DICTUNPACK): New unspec.
8904         (UNSPEC_FPCMPSHL): Likewise.
8905         (UNSPEC_FPUCMPSHL): Likewise.
8906         (UNSPEC_FPCMPDESHL): Likewise.
8907         (UNSPEC_FPCMPURSHL): Likewise.
8908         (cpu_feature): New CPU feature `vis4b'.
8909         (dictunpack{8,16,32}): New insns.
8910         (FPCSMODE): New mode iterator.
8911         (fpcscond): New code iterator.
8912         (fpcsucond): Likewise.
8913         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
8914         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
8915         (fpcmpde{8,16,32}{si,di}shl): Likewise.
8916         (fpcmpur{8,16,32}{si,di}shl): Likewise.
8917         * config/sparc/constraints.md: Define constraints `q' for unsigned
8918         2-bit integer constants and `t' for unsigned 5-bit integer
8919         constants.
8920         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
8921         predicate.
8922         (imm5_operand_dictunpack16): Likewise.
8923         (imm5_operand_dictunpack32): Likewise.
8924         (imm2_operand): Likewise.
8925         * doc/invoke.texi (SPARC Options): Document -mvis4b.
8926         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
8927         ditunpack* and fpcmp*shl builtins.
8928
8929 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8930
8931         * config.gcc: Handle m8 in --with-{cpu,tune} options.
8932         * config.in: Add HAVE_AS_SPARC6 define.
8933         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
8934         M8.
8935         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
8936         TARGET_CPU_m8.
8937         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
8938         (CPP_CPU_SPEC): Handle m8.
8939         (ASM_CPU_SPEC): Likewise.
8940         * config/sparc/sparc-opts.h (enum processor_type): Add
8941         PROCESSOR_M8.
8942         * config/sparc/sparc.c (m8_costs): New struct.
8943         (sparc_option_override): Handle TARGET_CPU_m8.
8944         (sparc32_initialize_trampoline): Likewise.
8945         (sparc64_initialize_trampoline): Likewise.
8946         (sparc_issue_rate): Likewise.
8947         (sparc_register_move_cost): Likewise.
8948         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
8949         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
8950         (ASM_CPU64_DEFAULT_SPEC): Likewise.
8951         (CPP_CPU_SPEC): Handle M8.
8952         (ASM_CPU_SPEC): Likewise.
8953         (AS_M8_FLAG): Define.
8954         * config/sparc/sparc.md: Add m8 to the cpu attribute.
8955         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
8956         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
8957         M8 instructions.
8958         * configure: Regenerate.
8959         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
8960         -mtune=m8.
8961
8962 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8963
8964         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
8965         subtypes.
8966         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
8967         ("*movdi_insn_sp32"): Do not set v3pipe.
8968         ("*movsi_insn"): Likewise.
8969         ("*movdi_insn_sp64"): Likewise.
8970         ("*movsf_insn"): Likewise.
8971         ("*movdf_insn_sp32"): Likewise.
8972         ("*movdf_insn_sp64"): Likewise.
8973         ("*zero_extendsidi2_insn_sp64"): Likewise.
8974         ("*sign_extendsidi2_insn"): Likewise.
8975         ("*mov<VM32:mode>_insn"): Likewise.
8976         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8977         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8978         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8979         ("<vlop:code><VL:mode>3"): Likewise.
8980         ("*not_<vlop:code><VL:mode>3"): Likewise.
8981         ("*nand<VL:mode>_vis"): Likewise.
8982         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
8983         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
8984         ("one_cmpl<VL:mode>2"): Likewise.
8985         ("faligndata<VM64:mode>_vis"): Likewise.
8986         ("alignaddrsi_vis"): Likewise.
8987         ("alignaddrdi_vis"): Likweise.
8988         ("alignaddrlsi_vis"): Likewise.
8989         ("alignaddrldi_vis"): Likewise.
8990         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8991         ("bmaskdi_vis"): Likewise.
8992         ("bmasksi_vis"): Likewise.
8993         ("bshuffle<VM64:mode>_vis"): Likewise.
8994         ("cmask8<P:mode>_vis"): Likewise.
8995         ("cmask16<P:mode>_vis"): Likewise.
8996         ("cmask32<P:mode>_vis"): Likewise.
8997         ("pdistn<P:mode>_vis"): Likewise.
8998         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8999
9000 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9001
9002         * config/sparc/sparc.md ("subtype"): New insn attribute.
9003         ("*wrgsr_sp64"): Set insn subtype.
9004         ("*rdgsr_sp64"): Likewise.
9005         ("alignaddrsi_vis"): Likewise.
9006         ("alignaddrdi_vis"): Likewise.
9007         ("alignaddrlsi_vis"): Likewise.
9008         ("alignaddrldi_vis"): Likewise.
9009         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
9010         ("fexpand_vis"): Likewise.
9011         ("fpmerge_vis"): Likewise.
9012         ("faligndata<VM64:mode>_vis"): Likewise.
9013         ("bshuffle<VM64:mode>_vis"): Likewise.
9014         ("cmask8<P:mode>_vis"): Likewise.
9015         ("cmask16<P:mode>_vis"): Likewise.
9016         ("cmask32<P:mode>_vis"): Likewise.
9017         ("fchksm16_vis"): Likewise.
9018         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
9019         ("fmean16_vis"): Likewise.
9020         ("fp<plusminus_insn>64_vis"): Likewise.
9021         ("<plusminus_insn>v8qi3"): Likewise.
9022         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
9023         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
9024         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
9025         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
9026         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
9027         ("*movqi_insn"): Likewise.
9028         ("*movhi_insn"): Likewise.
9029         ("*movsi_insn"): Likewise.
9030         ("movsi_pic_gotdata_op"): Likewise.
9031         ("*movdi_insn_sp32"): Likewise.
9032         ("*movdi_insn_sp64"): Likewise.
9033         ("movdi_pic_gotdata_op"): Likewise.
9034         ("*movsf_insn"): Likewise.
9035         ("*movdf_insn_sp32"): Likewise.
9036         ("*movdf_insn_sp64"): Likewise.
9037         ("*zero_extendhisi2_insn"): Likewise.
9038         ("*zero_extendqihi2_insn"): Likewise.
9039         ("*zero_extendqisi2_insn"): Likewise.
9040         ("*zero_extendqidi2_insn"): Likewise.
9041         ("*zero_extendhidi2_insn"): Likewise.
9042         ("*zero_extendsidi2_insn_sp64"): Likewise.
9043         ("ldfsr"): Likewise.
9044         ("prefetch_64"): Likewise.
9045         ("prefetch_32"): Likewise.
9046         ("tie_ld32"): Likewise.
9047         ("tie_ld64"): Likewise.
9048         ("*tldo_ldub_sp32"): Likewise.
9049         ("*tldo_ldub1_sp32"): Likewise.
9050         ("*tldo_ldub2_sp32"): Likewise.
9051         ("*tldo_ldub_sp64"): Likewise.
9052         ("*tldo_ldub1_sp64"): Likewise.
9053         ("*tldo_ldub2_sp64"): Likewise.
9054         ("*tldo_ldub3_sp64"): Likewise.
9055         ("*tldo_lduh_sp32"): Likewise.
9056         ("*tldo_lduh1_sp32"): Likewise.
9057         ("*tldo_lduh_sp64"): Likewise.
9058         ("*tldo_lduh1_sp64"): Likewise.
9059         ("*tldo_lduh2_sp64"): Likewise.
9060         ("*tldo_lduw_sp32"): Likewise.
9061         ("*tldo_lduw_sp64"): Likewise.
9062         ("*tldo_lduw1_sp64"): Likewise.
9063         ("*tldo_ldx_sp64"): Likewise.
9064         ("*mov<VM32:mode>_insn"): Likewise.
9065         ("*mov<VM64:mode>_insn_sp64"): Likewise.
9066         ("*mov<VM64:mode>_insn_sp32"): Likewise.
9067
9068 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9069
9070         * config/sparc/sparc.md ("type"): New insn type viscmp.
9071         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
9072         viscmp.
9073         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
9074         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
9075         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
9076         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
9077         viscmp.
9078         ("n7_vis_logical_11cycle"): Likewise.
9079         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
9080         * config/sparc/niagara2.md ("niag3_vis": Likewise.
9081         * config/sparc/niagara.md ("niag_vis"): Likewise.
9082         * config/sparc/ultra3.md ("us3_fga"): Likewise.
9083         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
9084
9085 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9086
9087         * config/sparc/sparc.md: New instruction type `bmask'.
9088         (bmaskdi_vis): Use the `bmask' type.
9089         (bmasksi_vis): Likewise.
9090         * config/sparc/ultra3.md (us3_array): Likewise.
9091         * config/sparc/niagara7.md (n7_array): Likewise.
9092         * config/sparc/niagara4.md (n4_array): Likewise.
9093         * config/sparc/niagara2.md (niag2_vis): Likewise.
9094         (niag3_vis): Likewise.
9095         * config/sparc/niagara.md (niag_vis): Likewise.
9096
9097 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9098
9099         * ipa-comdats.c: Remove optimize check from gate.
9100         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
9101         for functions not optimized.
9102         (ipa_fn_summary_read): Skip optimize check.
9103         (ipa_fn_summary_write): Likewise.
9104         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
9105         is optimized.
9106         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
9107         uninlinable.
9108         (can_inline_edge_p): Check flag_pcc_struct_return for match.
9109         (check_callers): Give up on caller which is not optimized.
9110         (inline_small_functions): Likewise.
9111         (ipa_inline): Do not give up when not optimizing.
9112         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
9113         away unoptimizes cdtors.
9114         (whole_program_function_and_variable_visibility): Do
9115         ipa_discover_readonly_nonaddressable_vars in LTO mode.
9116         * ipa.c (process_references): Do not check optimize.
9117         (symbol_table::remove_unreachable_nodes): Update optimize check.
9118         (set_writeonly_bit): Update optimize check.
9119         (pass_ipa_cdtor_merge::gate): Do not check optimize.
9120         (pass_ipa_single_use::gate): Remove.
9121
9122 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9123
9124         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
9125         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
9126         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
9127         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
9128         permute_load, permute_store, adjust_extract, adjust_splat,
9129         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
9130         replace_swap_with_copy, dump_swap_insn_table,
9131         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
9132         recombine_lvx_pattern, recombine_stvx_pattern,
9133         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
9134         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
9135         to file rs6000-p8swap.c.
9136         * config/rs6000/rs6000-p8swap.c: New file.
9137         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
9138         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
9139         and rs6000*-*-* targets.
9140
9141 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9142
9143         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
9144
9145 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9146
9147         * lto-wrapper.c (merge_and_complain): Do not merge
9148         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
9149         fsigned_zeros, ftrapping_math, fwrapv.
9150         (append_compiler_options): Do not track these options.
9151         (append_linker_options): Likewie
9152
9153 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9154
9155         * cgraphunit.c (cgraph_node::finalize_function): When
9156         !flag_toplevel_reorde set no_reorder flag.
9157         (varpool_node::finalize_decl): Likewise.
9158         (symbol_table::compile): Drop no toplevel reorder path.
9159
9160 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9161
9162         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
9163         edges; zero probability is not better than uninitialized.
9164
9165 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9166
9167         * asan.h (asan_sanitize_allocas_p): Declare.
9168         * asan.c (asan_sanitize_allocas_p): New function.
9169         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
9170         (handle_builtin_alloca): Likewise.
9171         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
9172         if !asan_sanitize_allocas_p.
9173         * params.def (asan-instrument-allocas): Add new option.
9174         * params.h (ASAN_PROTECT_ALLOCAS): Define.
9175         * opts.c (common_handle_option): Disable allocas sanitization for
9176         KASan by default.
9177
9178 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9179
9180         * asan.c: Include gimple-fold.h.
9181         (get_last_alloca_addr): New function.
9182         (handle_builtin_stackrestore): Likewise.
9183         (handle_builtin_alloca): Likewise.
9184         (asan_emit_allocas_unpoison): Likewise.
9185         (get_mem_refs_of_builtin_call): Add new parameter, remove const
9186         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
9187         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
9188         (instrument_builtin_call): Pass gimple iterator to
9189         get_mem_refs_of_builtin_call.
9190         (last_alloca_addr): New global.
9191         * asan.h (asan_emit_allocas_unpoison): Declare.
9192         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
9193         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
9194         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
9195         if function calls alloca.
9196         * gimple-fold.c (replace_call_with_value): Remove static keyword.
9197         * gimple-fold.h (replace_call_with_value): Declare.
9198         * internal-fn.c: Include asan.h.
9199         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
9200         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
9201
9202 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9203
9204         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
9205         (C_SELFTEST_FLAGS): New.
9206         (CPP_SELFTEST_FLAGS): New.
9207         (SELFTEST_DEPS): New, from deps of s-selftest.
9208         (C_SELFTEST_DEPS): New, from deps of s-selftest.
9209         (CPP_SELFTEST_DEPS): New.
9210         (selftest): Add dependency on s-selftest-c++.
9211         (s-selftest): Rename to...
9212         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
9213         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
9214         than SELFTEST_FLAGS.
9215         (selftest-gdb): Rename to...
9216         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
9217         C_SELFTEST_FLAGS.
9218         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
9219         (selftest-valgrind): Rename to...
9220         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
9221         C_SELFTEST_FLAGS.
9222         (selftest-valgrind): Reintroduce as an alias for
9223         selftest-c-valgrind.
9224         (s-selftest-c++): New.
9225         (selftest-c++-gdb): New.
9226         (selftest-c++-valgrind): New.
9227
9228 2017-07-06  Olivier Hainque  <hainque@adacore.com>
9229
9230         * gcc.c (process_command): When deciding if undefined variables
9231         should be ignored when processing specs, accept "gcc -v" as well.
9232
9233 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9234
9235         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
9236         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
9237
9238 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9239
9240         * config/arm/arm-cpus.in (armv8-r): Add new entry.
9241         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
9242         * config/arm/arm-tables.opt: Regenerate.
9243         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
9244         enumerator.
9245         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
9246
9247 2017-07-06  Carl Love  <cel@us.ibm.com>
9248
9249         * ChangeLog: Clean up from mid air collision
9250
9251 2017-07-06  Carl Love  <cel@us.ibm.com>
9252
9253         * config/rs6000/rs6000-c.c: Add support for built-in functions
9254         vector signed int vec_subc (vector signed int, vector signed int);
9255         vector signed __int128 vec_subc (vector signed __int128,
9256                                          vector signed __int128);
9257         vector unsigned __int128 vec_subc (vector unsigned __int128,
9258                                            vector unsigned __int128);
9259         vector signed int vec_sube (vector signed int, vector signed int,
9260                                     vector signed int);
9261         vector unsigned int vec_sube (vector unsigned int,
9262                                       vector unsigned int,
9263                                       vector unsigned int);
9264         vector signed __int128 vec_sube (vector signed __int128,
9265                                          vector signed __int128,
9266                                          vector signed__int128);
9267         vector unsigned __int128 vec_sube (vector unsigned __int128,
9268                                            vector unsigned __int128,
9269                                            vector unsigned __int128);
9270         vector signed int vec_subec (vector signed int, vector signed int,
9271                                      vector signed int);
9272         vector unsigned int vec_subec (vector unsigned int,
9273                                        vector unsigned int,
9274                                        vector unsigned int);
9275         vector signed __int128 vec_subec (vector signed __int128,
9276                                           vector signed __int128,
9277                                           vector signed__int128);
9278         vector unsigned __int128 vec_subec (vector unsigned __int128,
9279                                             vector unsigned __int128,
9280                                             vector unsigned __int128);
9281         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
9282         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
9283         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
9284         BU_ALTIVEC_OVERLOAD_X definitions.
9285         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
9286         * doc/extend.texi: Update the built-in documentation file for the new
9287         built-in functions.
9288
9289 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9290
9291         PR c++/79300
9292         * diagnostic-show-locus.c (layout::layout): Use start and finish
9293         spelling location for the start and finish of each range.
9294         * genmatch.c (linemap_client_expand_location_to_spelling_point):
9295         Add unused aspect param.
9296         * input.c (expand_location_1): Add "aspect" param, and use it
9297         to access the correct part of the location.
9298         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
9299         expand_location_1.
9300         (expand_location_to_spelling_point): Likewise.
9301         (linemap_client_expand_location_to_spelling_point): Add "aspect"
9302         param, and pass it to expand_location_1.
9303
9304 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
9305
9306         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
9307         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
9308         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
9309         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
9310         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
9311         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
9312         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
9313         _mm_maskz_getmant_ss): New intrinsics.
9314         (__builtin_ia32_getexpss128_mask): Changed to ...
9315         __builtin_ia32_getexpss128_round ... this.
9316         (__builtin_ia32_getexpsd128_mask): Changed to ...
9317         __builtin_ia32_getexpsd128_round ... this.
9318         * config/i386/i386-builtin-types.def
9319         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
9320         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
9321         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
9322         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
9323         __builtin_ia32_getmantss_mask_round): New builtins.
9324         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
9325         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
9326         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
9327         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
9328         * config/i386/sse.md
9329         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
9330         avx512f_sgetexp<mode><mask_scalar_name>
9331         <round_saeonly_scalar_name> ... this.
9332         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
9333         %0, %1, %2<round_saeonly_op3>}): Changed to ...
9334         vgetexp<ssescalarmodesuffix>
9335         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9336         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
9337         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
9338         avx512f_vgetmant<mode><mask_scalar_name>
9339         <round_saeonly_scalar_name> ... this.
9340         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
9341         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
9342         vgetmant<ssescalarmodesuffix>
9343         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
9344         %0<mask_scalar_operand4>, %1, %2
9345         <round_saeonly_scalar_mask_op4>, %3} ... this.
9346         * config/i386/subst.md (mask_scalar_operand4,
9347         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
9348         round_saeonly_scalar_nimm_predicate): New subst attributes.
9349
9350 2017-07-06  Julia Koval  <julia.koval@intel.com>
9351
9352         * config/i386/i386.c (ix86_erase_embedded_rounding):
9353         Remove code for old rounding pattern.
9354
9355 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
9356
9357         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
9358
9359 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
9360
9361         * doc/sourcebuild.texi (Test Directives, Variants of
9362         dg-require-support): Add documentation for dg-require-stack-check.
9363
9364 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
9365
9366         * config/i386/subst.md (mask_scalar, round_scalar,
9367         round_saeonly_scalar): New meta-templates.
9368         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
9369         round_scalar_mask_operand3, round_scalar_mask_op3,
9370         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
9371         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
9372         round_saeonly_scalar_constraint,
9373         round_saeonly_scalar_prefix): New subst attribute.
9374         * config/i386/sse.md
9375         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
9376         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
9377         <round_scalar_name> ... this.
9378         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
9379         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
9380         <round_scalar_name> ... this.
9381         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
9382         <sse>_vm<code><mode>3<mask_scalar_name>
9383         <round_saeonly_scalar_name> ... this.
9384         (v<plusminus_mnemonic><ssescalarmodesuffix>
9385         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9386         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9387         v<plusminus_mnemonic><ssescalarmodesuffix>
9388         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9389         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9390         (v<multdiv_mnemonic><ssescalarmodesuffix>
9391         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9392         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9393         v<multdiv_mnemonic><ssescalarmodesuffix>
9394         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9395         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9396         (v<maxmin_float><ssescalarmodesuffix>
9397         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
9398         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
9399         v<maxmin_float><ssescalarmodesuffix>
9400         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9401         %0<mask_scalar_operand3>, %1, %<iptr>2
9402         <round_saeonly_scalar_mask_op3>} ... this.
9403
9404 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
9405
9406         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
9407         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
9408
9409 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
9410             Alan Hayward  <alan.hayward@arm.com>
9411             David Sherwood  <david.sherwood@arm.com>
9412
9413         * combine.c (simplify_if_then_else): Remove "enum" before
9414         "machine_mode".
9415         * compare-elim.c (can_eliminate_compare): Likewise.
9416         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
9417         Likewise.
9418         (aarch64_lookup_simd_builtin_type): Likewise.
9419         (aarch64_simd_builtin_type): Likewise.
9420         (aarch64_init_simd_builtin_types): Likewise.
9421         (aarch64_simd_expand_args): Likewise.
9422         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
9423         Likewise.
9424         (aarch64_reverse_mask): Likewise.
9425         (aarch64_simd_emit_reg_reg_move): Likewise.
9426         (aarch64_gen_adjusted_ldpstp): Likewise.
9427         (aarch64_ccmp_mode_to_code): Likewise.
9428         (aarch64_operands_ok_for_ldpstp): Likewise.
9429         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9430         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
9431         Likewise.
9432         (aarch64_min_divisions_for_recip_mul): Likewise.
9433         (aarch64_reassociation_width): Likewise.
9434         (aarch64_get_condition_code_1): Likewise.
9435         (aarch64_simd_emit_reg_reg_move): Likewise.
9436         (aarch64_simd_attr_length_rglist): Likewise.
9437         (aarch64_reverse_mask): Likewise.
9438         (aarch64_operands_ok_for_ldpstp): Likewise.
9439         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9440         (aarch64_gen_adjusted_ldpstp): Likewise.
9441         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
9442         Likewise.
9443         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
9444         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
9445         (arm_lookup_simd_builtin_type): Likewise.
9446         (arm_simd_builtin_type): Likewise.
9447         (arm_init_simd_builtin_types): Likewise.
9448         (arm_expand_builtin_args): Likewise.
9449         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
9450         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
9451         (ft32_setup_incoming_varargs): Likewise.
9452         (ft32_function_arg): Likewise.
9453         (ft32_function_arg_advance): Likewise.
9454         (ft32_pass_by_reference): Likewise.
9455         (ft32_arg_partial_bytes): Likewise.
9456         (ft32_valid_pointer_mode): Likewise.
9457         (ft32_addr_space_pointer_mode): Likewise.
9458         (ft32_addr_space_legitimate_address_p): Likewise.
9459         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
9460         Likewise.
9461         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
9462         (ix86_emit_outlined_ms2sysv_restore): Likewise.
9463         (iamcu_alignment): Likewise.
9464         (canonicalize_vector_int_perm): Likewise.
9465         (ix86_noce_conversion_profitable_p): Likewise.
9466         (ix86_mpx_bound_mode): Likewise.
9467         (ix86_operands_ok_for_move_multiple): Likewise.
9468         * config/microblaze/microblaze-protos.h
9469         (microblaze_expand_conditional_branch_reg): Likewise.
9470         * config/microblaze/microblaze.c
9471         (microblaze_expand_conditional_branch_reg): Likewise.
9472         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
9473         Likewise.
9474         (rs6000_reassociation_width): Likewise.
9475         (rs6000_invalid_binary_op): Likewise.
9476         (fusion_p9_p): Likewise.
9477         (emit_fusion_p9_load): Likewise.
9478         (emit_fusion_p9_store): Likewise.
9479         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
9480         Likewise.
9481         (riscv_hard_regno_mode_ok_p): Likewise.
9482         (riscv_address_insns): Likewise.
9483         (riscv_split_symbol): Likewise.
9484         (riscv_legitimize_move): Likewise.
9485         (riscv_function_value): Likewise.
9486         (riscv_hard_regno_nregs): Likewise.
9487         (riscv_expand_builtin): Likewise.
9488         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
9489         (riscv_build_integer): Likewise.
9490         (riscv_split_integer): Likewise.
9491         (riscv_legitimate_constant_p): Likewise.
9492         (riscv_cannot_force_const_mem): Likewise.
9493         (riscv_regno_mode_ok_for_base_p): Likewise.
9494         (riscv_valid_base_register_p): Likewise.
9495         (riscv_valid_offset_p): Likewise.
9496         (riscv_valid_lo_sum_p): Likewise.
9497         (riscv_classify_address): Likewise.
9498         (riscv_legitimate_address_p): Likewise.
9499         (riscv_address_insns): Likewise.
9500         (riscv_load_store_insns): Likewise.
9501         (riscv_force_binary): Likewise.
9502         (riscv_split_symbol): Likewise.
9503         (riscv_force_address): Likewise.
9504         (riscv_legitimize_address): Likewise.
9505         (riscv_move_integer): Likewise.
9506         (riscv_legitimize_const_move): Likewise.
9507         (riscv_legitimize_move): Likewise.
9508         (riscv_address_cost): Likewise.
9509         (riscv_subword): Likewise.
9510         (riscv_output_move): Likewise.
9511         (riscv_canonicalize_int_order_test): Likewise.
9512         (riscv_emit_int_order_test): Likewise.
9513         (riscv_function_arg_boundary): Likewise.
9514         (riscv_pass_mode_in_fpr_p): Likewise.
9515         (riscv_pass_fpr_single): Likewise.
9516         (riscv_pass_fpr_pair): Likewise.
9517         (riscv_get_arg_info): Likewise.
9518         (riscv_function_arg): Likewise.
9519         (riscv_function_arg_advance): Likewise.
9520         (riscv_arg_partial_bytes): Likewise.
9521         (riscv_function_value): Likewise.
9522         (riscv_pass_by_reference): Likewise.
9523         (riscv_setup_incoming_varargs): Likewise.
9524         (riscv_print_operand): Likewise.
9525         (riscv_elf_select_rtx_section): Likewise.
9526         (riscv_save_restore_reg): Likewise.
9527         (riscv_for_each_saved_reg): Likewise.
9528         (riscv_register_move_cost): Likewise.
9529         (riscv_hard_regno_mode_ok_p): Likewise.
9530         (riscv_hard_regno_nregs): Likewise.
9531         (riscv_class_max_nregs): Likewise.
9532         (riscv_memory_move_cost): Likewise.
9533         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
9534         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
9535         (rl78_addr_space_address_mode): Likewise.
9536         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9537         Likewise.
9538         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
9539         (rs6000_reassociation_width): Likewise.
9540         (rs6000_invalid_binary_op): Likewise.
9541         (fusion_p9_p): Likewise.
9542         (emit_fusion_p9_load): Likewise.
9543         (emit_fusion_p9_store): Likewise.
9544         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
9545         (ok_for_simple_move_operands): Likewise.
9546         (ok_for_simple_move_strict_operands): Likewise.
9547         (ok_for_simple_arith_logic_operands): Likewise.
9548         (visium_legitimize_reload_address): Likewise.
9549         (visium_select_cc_mode): Likewise.
9550         (output_cbranch): Likewise.
9551         (visium_split_double_move): Likewise.
9552         (visium_expand_copysign): Likewise.
9553         (visium_expand_int_cstore): Likewise.
9554         (visium_expand_fp_cstore): Likewise.
9555         * config/visium/visium.c (visium_pass_by_reference): Likewise.
9556         (visium_function_arg): Likewise.
9557         (visium_function_arg_advance): Likewise.
9558         (visium_libcall_value): Likewise.
9559         (visium_setup_incoming_varargs): Likewise.
9560         (visium_legitimate_constant_p): Likewise.
9561         (visium_legitimate_address_p): Likewise.
9562         (visium_legitimize_address): Likewise.
9563         (visium_secondary_reload): Likewise.
9564         (visium_register_move_cost): Likewise.
9565         (visium_memory_move_cost): Likewise.
9566         (prepare_move_operands): Likewise.
9567         (ok_for_simple_move_operands): Likewise.
9568         (ok_for_simple_move_strict_operands): Likewise.
9569         (ok_for_simple_arith_logic_operands): Likewise.
9570         (visium_function_value_1): Likewise.
9571         (rtx_ok_for_offset_p): Likewise.
9572         (visium_legitimize_reload_address): Likewise.
9573         (visium_split_double_move): Likewise.
9574         (visium_expand_copysign): Likewise.
9575         (visium_expand_int_cstore): Likewise.
9576         (visium_expand_fp_cstore): Likewise.
9577         (visium_split_cstore): Likewise.
9578         (visium_select_cc_mode): Likewise.
9579         (visium_split_cbranch): Likewise.
9580         (output_cbranch): Likewise.
9581         (visium_print_operand_address): Likewise.
9582         * expmed.c (flip_storage_order): Likewise.
9583         * expmed.h (emit_cstore): Likewise.
9584         (flip_storage_order): Likewise.
9585         * genrecog.c (validate_pattern): Likewise.
9586         * hsa-gen.c (gen_hsa_addr): Likewise.
9587         * internal-fn.c (expand_arith_overflow): Likewise.
9588         * ira-color.c (allocno_copy_cost_saving): Likewise.
9589         * lra-assigns.c (find_hard_regno_for_1): Likewise.
9590         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
9591         (process_invariant_for_inheritance): Likewise.
9592         * lra-eliminations.c (move_plus_up): Likewise.
9593         * omp-low.c (lower_oacc_reductions): Likewise.
9594         * simplify-rtx.c (simplify_subreg): Likewise.
9595         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
9596         (TARGET_CHKP_BOUND_MODE): Likewise..
9597         * targhooks.c (default_chkp_bound_mode): Likewise.
9598         (default_setup_incoming_vararg_bounds): Likewise.
9599         * targhooks.h (default_chkp_bound_mode): Likewise.
9600         (default_setup_incoming_vararg_bounds): Likewise.
9601         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
9602         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
9603         (have_whole_vector_shift): Likewise.
9604         * tree-vect-stmts.c (vectorizable_load): Likewise.
9605         * doc/tm.texi: Regenerate.
9606
9607 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9608
9609         Graceful degrade if Binutils PR21472 is not available.
9610
9611         PR target/81072
9612         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
9613         .rodata in flash test fails.
9614         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
9615         * confgure: Regenerate.
9616         * config.in: Regenerate.
9617         * config/avr/avr.c (avr_asm_named_section)
9618         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
9619         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
9620         (avr_asm_init_sections): Same.
9621
9622 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9623
9624         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
9625         (fma<VH:mode>4_intrinsic): Likewise.
9626         (*fmsub<VCVTF:mode>4): Likewise.
9627         (*fmsub<VH:mode>4_intrinsic): Likewise.
9628
9629 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9630
9631         PR target/81305
9632         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
9633         Don't depend on "optimize > 0".
9634         (out_movhi_r_mr, out_movqi_mr_r): Same.
9635         (out_movhi_mr_r, out_movqi_r_mr): Same.
9636         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
9637         io_address_operand on "optimize > 0".
9638
9639 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9640
9641         * tree-loop-distribution.c: Add general explanantion on the pass.
9642         (generate_loops_for_partition): Mark distributed loop.
9643         (pg_add_dependence_edges): New parameter.  Handle alias data
9644         dependence specially and record it in the parameter if asked.
9645         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
9646         (init_partition_graph_vertices, add_partition_graph_edge): New.
9647         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
9648         (free_partition_graph_vdata, build_partition_graph): New.
9649         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
9650         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
9651         (data_ref_segment_size, latch_dominated_by_data_ref): New.
9652         (compute_alias_check_pairs, version_loop_by_alias_check): New.
9653         (version_for_distribution_p, finalize_partitions): New.
9654         (distribute_loop): Handle alias data dependence specially.  Factor
9655         out loop fusion code as functions and call these functions.
9656
9657 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9658
9659         * tree-loop-distribution.c (classify_partition): New parameter and
9660         better handle reduction statement.
9661         (rdg_build_partitions): Revise comment.
9662         (distribute_loop): Compute statements in all partitions and pass it
9663         to classify_partition.
9664
9665 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9666
9667         * tree-loop-distribution.c (enum partition_type): New.
9668         (struct partition): New field type.
9669         (partition_merge_into): Add parameter.  Update partition type.
9670         (data_dep_in_cycle_p, update_type_for_merge): New functions.
9671         (build_rdg_partition_for_vertex): Compute partition type.
9672         (rdg_build_partitions): Dump partition type.
9673         (distribute_loop): Update calls to partition_merge_into.
9674
9675 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9676
9677         * tree-loop-distribution.c (struct ddr_hasher): New.
9678         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
9679         (ddrs_table): New.
9680         (classify_partition): Call get_data_dependence.
9681         (pg_add_dependence_edges): Ditto.
9682         (distribute_loop): Release data dependence hash table.
9683
9684 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9685
9686         * tree-loop-distribution.c (ref_base_address): Delete.
9687         (similar_memory_accesses): Rename ...
9688         (share_memory_accesses): ... to this.  Check if partitions access
9689         the same memory reference.
9690         (distribute_loop): Call share_memory_accesses.
9691
9692 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9693
9694         * tree-loop-distribution.c (struct partition): New field recording
9695         its data reference.
9696         (partition_alloc, partition_free): Init and release data refs.
9697         (partition_merge_into): Merge data refs.
9698         (build_rdg_partition_for_vertex): Collect data refs for partition.
9699         (pg_add_dependence_edges): Change parameters from vector to bitmap.
9700         Update uses.
9701         (distribute_loop): Remve data refs from vertice data of partition
9702         graph.
9703
9704 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9705
9706         * tree-loop-distribution.c (params.h): Include header file.
9707         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
9708         (datarefs_vec): New global var.
9709         (create_rdg_vertices): Use datarefs_vec directly.
9710         (free_rdg): Don't free data references.
9711         (build_rdg): Update use.  Don't free data references.
9712         (distribute_loop): Compute global variable for data references.
9713         Bail out if there are too many data references.
9714
9715 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9716
9717         * tree-loop-distribution.c (loop_nest): New global var.
9718         (build_rdg): Use loop directly, rather than loop nest.
9719         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
9720         variable directly.
9721         (distribute_loop): Compute global variable loop nest.  Update use.
9722
9723 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9724
9725         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
9726         (partition_merge_into): New parameter.  Dump reason for fusion.
9727         (distribute_loop): Update use of partition_merge_into.
9728
9729 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9730
9731         * tree-loop-distribution.c (bb_top_order_index): New.
9732         (bb_top_order_index_size, bb_top_order_cmp): New.
9733         (stmts_from_loop): Use topological order.
9734         (pass_loop_distribution::execute): Compute and release topological
9735         order for basic blocks.
9736
9737 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9738
9739         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
9740         if no loops.
9741
9742 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9743
9744         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
9745         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
9746         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
9747         * internal-fn.def (LOOP_DIST_ALIAS): New.
9748         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
9749         (fold_loop_internal_call): ... this.
9750         (vect_loop_dist_alias_call): New function.
9751         (set_uid_loop_bbs): Call fold_loop_internal_call.
9752         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
9753         internal calls.
9754
9755 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9756
9757         PR target/81300
9758         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
9759         Require dead FLAGS_REG at the beginning of a peephole.
9760
9761 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9762
9763         PR target/81294
9764         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
9765         arguments in the call to __builtin_ia32_sbb_u32.
9766         (_subborrow_u64): Swap _X and _Y arguments in the call to
9767         __builtin_ia32_sbb_u64.
9768
9769 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
9770
9771         PR debug/81278
9772         * tree-vrp.c (compare_assert_loc): Turn into a function template
9773         with stable template parameter.  Only test if a->e is NULL,
9774         !a->e == !b->e has been verified already.  Use e == NULL or
9775         e != NULL instead of e or ! e tests.  If stable is true, don't use
9776         iterative_hash_expr, on the other side allow a or b or both NULL
9777         and sort the NULLs last.
9778         (process_assert_insertions): Sort using compare_assert_loc<false>
9779         instead of compare_assert_loc, later sort using
9780         compare_assert_loc<true> before calling process_assert_insertions_for
9781         in a loop.  Use break instead of continue once seen NULL pointer.
9782
9783 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9784
9785         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
9786         Cortex-R7 and Cortex-R8 processors.
9787
9788 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9789
9790         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
9791         uninitialized while src is not.
9792
9793 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
9794
9795         * common/config/arm/arm-common.c: Adjust include path for
9796         arm-cpu-cdata.h
9797         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
9798         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
9799         (arm-cpu-data.h): Likewise.
9800         (arm-cpu-cdata.h): Likewise.
9801         * config/arm/arm-cpu.h: Delete.
9802         * config/arm/arm-cpu-cdata.h: Delete.
9803         * config/arm/arm-cpu-data.h: Delete.
9804
9805 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
9806
9807         * config/arm/arm-cpus.in (cortex-a55): New.
9808         (cortex-a75): Likewise.
9809         (cortex-a75.cortex-a55): Likewise.
9810         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
9811         cortex-a75.
9812         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
9813         * config/arm/arm-cpu-cdata.h: Regenerate.
9814         * config/arm/arm-cpu-data.h: Regenerate.
9815         * config/arm/arm-cpu.h: Regenerate.
9816         * config/arm/arm-tables.opt: Regenerate.
9817         * config/arm/arm-tune.md: Regenerate.
9818
9819 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9820
9821         * haifa-sched.c (sched_create_recovery_edges): Update profile.
9822
9823 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9824
9825         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
9826         probability.
9827
9828 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
9829
9830         PR tree-optimization/81292
9831         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
9832         full_string_p, also call adjust_related_strinfos if the adjustment
9833         is simple, otherwise invalidate related strinfos.
9834
9835 2017-07-04  Martin Liska  <mliska@suse.cz>
9836
9837         PR sanitizer/81040
9838         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
9839         newly created variable as DECL_IGNORED_P.
9840
9841 2017-07-04  Martin Liska  <mliska@suse.cz>
9842
9843         PR ipa/81293
9844         * ipa-inline.c (inline_small_functions):
9845         Use xstrdup_for_dump.
9846
9847 2017-07-04  Tom de Vries  <tom@codesourcery.com>
9848
9849         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
9850
9851 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9852
9853         PR target/81033
9854         * config/darwin.c (darwin_function_switched_text_sections):
9855         Fix spaces.
9856
9857 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
9858
9859         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
9860
9861 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9862
9863         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
9864
9865 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9866
9867         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
9868         min_profitable_iters, and th as inclusive lower bounds.
9869         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
9870         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
9871         for min_profitable_iters and min_profitable_estimate.
9872         (vect_transform_loop): Treat th as an inclusive lower bound.
9873         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
9874
9875 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9876
9877         PR target/81033
9878         * config/darwin.c (darwin_function_switched_text_sections):
9879         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
9880         in two pieces, and suppress the use of buf.
9881
9882 2017-07-03  Nathan Sidwell  <nathan@acm.org>
9883
9884         * hash-table.h (hash_table_mod1): Fix indentation.
9885
9886 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9887
9888         PR middle-end/81290
9889         * predict.c (force_edge_cold): Be more careful about propagation
9890         backward.
9891         * profile-count.h (profile_probability::guessed,
9892         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
9893         New.
9894         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
9895
9896 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
9897
9898         * doc/invoke.texi (rcpc architecture extension): Document it.
9899
9900 2017-07-03  Richard Biener  <rguenther@suse.de>
9901
9902         PR tree-optimization/60510
9903         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
9904         the scalar reduction PHI and use it.
9905         (vectorizable_reduction): Properly guard the single_defuse_cycle
9906         path for non-SLP reduction chains where we cannot use it.
9907         Rework reduc_def/index and vector type deduction.  Rework
9908         vector operand gathering during reduction op code-gen.
9909         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
9910         chains dissolve the chain and leave it to non-SLP reduction
9911         handling.
9912
9913 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9914
9915         * tree-data-ref.h (dr_alignment): Declare.
9916         * tree-data-ref.c (dr_alignment): New function.
9917         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
9918         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
9919         set it.
9920         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
9921
9922 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9923
9924         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
9925         and base_misalignment fields.
9926         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
9927         * tree-data-ref.c: Include builtins.h.
9928         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
9929         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
9930         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
9931         * tree-vect-data-refs.c: Include tree-cfg.h.
9932         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
9933         fields instead of calculating an alignment here.
9934         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
9935         innermost_loop_behavior fields.
9936
9937 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9938
9939         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
9940         field.
9941         (DR_STEP_ALIGNMENT): New macro.
9942         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
9943         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
9944         (create_data_ref): Print it.
9945         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
9946         to tell whether the step preserves vector (mis)alignment.
9947         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9948         Move the check for an integer step and generalise to all INTEGER_CST.
9949         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
9950         Print the outer step alignment.
9951
9952 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9953
9954         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
9955         with offset_alignment.
9956         (DR_ALIGNED_TO): Delete.
9957         (DR_OFFSET_ALIGNMENT): New macro.
9958         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
9959         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
9960         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
9961         (create_data_ref): Likewise.
9962         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9963         (vect_analyze_data_refs): Likewise.
9964         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
9965         creating dummy innermost behavior.
9966
9967 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9968
9969         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
9970         with a "innermost_loop_behavior *" and refeence tree.
9971         * tree-data-ref.c (dr_analyze_innermost): Likewise.
9972         (create_data_ref): Update call accordingly.
9973         * tree-predcom.c (find_looparound_phi): Likewise.
9974
9975 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9976
9977         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
9978         fields with dr_wrt_vec_loop.
9979         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
9980         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
9981         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
9982         (vect_dr_behavior): New function.
9983         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9984         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
9985         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
9986         track whether the step preserves the misalignment.
9987         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9988         Use vect_dr_behavior.
9989         (vect_setup_realignment): Update call accordingly.
9990         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
9991         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
9992         call to vect_create_addr_base_for_vector_ref.
9993         (vect_create_cond_for_align_checks): Likewise.
9994         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
9995         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
9996         (vect_recog_mask_conversion_pattern): Likewise.
9997         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
9998         (new_stmt_vec_info): Remove redundant zeroing.
9999
10000 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
10001
10002         * common/config/arm/arm-common.c (arm_be8_option): New function.
10003         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
10004         (ISA_ARMv6): Add isa_bit_be8.
10005         * config/arm/arm.h (arm_be8_option): Add prototype.
10006         (BE8_SPEC_FUNCTION): New define.
10007         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
10008         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
10009         (mlittle-endian): Similarly.
10010         (mbe8, mbe32): New options.
10011         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
10012         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
10013
10014 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10015
10016         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
10017
10018 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10019
10020         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
10021         (cleanup_tree_cfg_bb): Use it.
10022         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
10023         New functions.
10024         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
10025
10026 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10027
10028         PR bootstrap/81285
10029         * loop-doloop.c (add_test): Update profile.
10030
10031 2017-07-03  Martin Liska  <mliska@suse.cz>
10032
10033         PR sanitize/81040
10034         * sanopt.c (rewrite_usage_of_param): New function.
10035         (sanitize_rewrite_addressable_params): Likewise.
10036         (pass_sanopt::execute): Call rewrite_usage_of_param.
10037
10038 2017-07-03  Richard Biener  <rguenther@suse.de>
10039
10040         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
10041         back to using VIEW_CONVERT_EXPR.
10042
10043 2017-07-03  Martin Liska  <mliska@suse.cz>
10044
10045         PR other/78366
10046         * doc/extend.texi: Document when a resolver function is
10047         generated for target_clones.
10048
10049 2017-07-03  Martin Liska  <mliska@suse.cz>
10050
10051         * asan.c (asan_emit_stack_protection): Unpoison just red zones
10052         and shadow memory of auto variables which are subject of
10053         use-after-scope sanitization.
10054         (asan_expand_mark_ifn): Add do set only when is_poison.
10055
10056 2016-07-03  Richard Biener  <rguenther@suse.de>
10057
10058         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
10059         reduction PHIs.
10060         (vect_force_simple_reduction): Record reduction def -> phi mapping.
10061         (vectorizable_reduction): Perform reduction PHI creation when
10062         visiting a reduction PHI and adjust and simplify code generation
10063         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
10064         (vect_transform_loop): Visit reduction PHIs.
10065         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
10066         defs into the SLP tree.
10067         (vect_build_slp_tree): Reduction defs terminate the recursion.
10068         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
10069         of reduction defs.
10070         (vect_get_vec_defs_for_stmt_copy): Export.
10071         (vect_get_vec_defs): Likewise.
10072         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
10073         purpose.
10074         (vect_get_vec_defs_for_stmt_copy): Declare.
10075         (vect_get_vec_defs): Likewise.
10076
10077 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10078
10079         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
10080         parameter with a "loop" parameter and use it instead of the
10081         loop containing DR_STMT.  Don't check simple_iv when doing
10082         BB analysis.  Describe the two analysis modes in the comment.
10083
10084 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10085
10086         PR tree-optimization/69468
10087         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
10088         (find_same_succ_bb): Handle ignore_edge_flags.
10089
10090 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10091
10092         PR tree-optimization/81192
10093         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
10094         hash.
10095         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
10096         differs.
10097         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
10098
10099 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10100
10101         PR tree-optimization/81192
10102         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
10103         BB_SAME_SUCC (bb) == NULL.
10104
10105 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10106
10107         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
10108         consistency.
10109
10110 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10111
10112         * dumpfile.c: Include profile-count.h
10113         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
10114         update profile.
10115         (insert_cond_bb): Update profile.
10116         * tree-cfg.h (insert_cond_bb): Update prototype.
10117         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
10118         * tree-dump.c: Do not include tree-cfg.
10119
10120 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10121
10122         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
10123
10124 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10125
10126         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
10127         bb.
10128
10129 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10130
10131         * tree-complex.c (expand_complex_div_wide): update profile.
10132
10133 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10134             Alan Hayward  <alan.hayward@arm.com>
10135             David Sherwood  <david.sherwood@arm.com>
10136
10137         * Makefile.in (MACHMODE_H): Remove insn-modes.h
10138         (CORETYPES_H): New define.
10139         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
10140         (insn-modes-inline.h, s-modes-inline-h): New rules.
10141         (generated_files): Add insn-modes-inline.h.
10142         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
10143         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
10144         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
10145         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
10146         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
10147         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
10148         (build/gencodes.o, build/genconditions.o): Likewise.
10149         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
10150         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
10151         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
10152         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
10153         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
10154         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
10155         * coretypes.h: Include everything up to real.h for generators.
10156         Include insn-modes.h first.  Include wide-int-print.h after
10157         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
10158         * machmode.h: Don't include insn-modes.h here.
10159         * function-tests.c: Remove includes of signop.h, machmode.h,
10160         double-int.h and wide-int.h.
10161         * rtl.h: Likewise.
10162         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
10163         and wide-int.h.
10164         * optc-save-gen.awk: Likewise.
10165         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
10166         * godump.c: Remove include of wide-int-print.h.
10167         * pretty-print.h: Likewise.
10168         * wide-int-print.cc: Likewise.
10169         * wide-int.cc: Likewise.
10170         * hash-map-tests.c: Remove include of signop.h.
10171         * hash-set-tests.c: Likewise.
10172         * rtl-tests.c: Likewise.
10173         * mkconfig.sh: Remove include of machmode.h.
10174         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
10175         into...
10176         (emit_insn_modes_inline_h): ...this new function.  Emit the code
10177         into an insn-modes-inline.h header file, adding appropriate
10178         include guards and end comments.
10179         (emit_insn_modes_c_header): Remove include of machmode.h.
10180         (emit_min_insn_modes_c_header): Include coretypes.h rather than
10181         machmode.h.
10182         (main): Handle -i flag and call emit_insn_modes_inline_h when
10183         it is passed.
10184
10185 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10186
10187         * tree-ssa-strlen.c (strinfo): Rename the length field to
10188         nonzero_chars.  Add a full_string_p field.
10189         (compare_nonzero_chars, zero_length_string_p): New functions.
10190         (get_addr_stridx): Add an offset_out parameter.
10191         Use compare_nonzero_chars.
10192         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
10193         (new_strinfo): Update after above changes to strinfo.
10194         (set_endptr_and_length): Set full_string_p.
10195         (get_string_length): Update after above changes to strinfo.
10196         (unshare_strinfo): Update call to new_strinfo.
10197         (maybe_invalidate): Likewise.
10198         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
10199         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
10200         as a uhwi instead of an shwi.  Update after above changes to
10201         strinfo and new_strinfo.
10202         (zero_length_string): Assert that chainsi contains full strings.
10203         Use zero_length_string_p.  Update call to new_strinfo.
10204         (adjust_related_strinfos): Update after above changes to strinfo.
10205         Copy full_string_p from origsi.
10206         (adjust_last_stmt): Use zero_length_string_p.
10207         (handle_builtin_strlen): Update after above changes to strinfo and
10208         new_strinfo.  Install the lhs as the string length if the previous
10209         entry didn't describe a full string.
10210         (handle_builtin_strchr): Update after above changes to strinfo
10211         and new_strinfo.
10212         (handle_builtin_strcpy): Likewise.
10213         (handle_builtin_strcat): Likewise.
10214         (handle_builtin_malloc): Likewise.
10215         (handle_pointer_plus): Likewise.
10216         (handle_builtin_memcpy): Likewise.  Track nonzero characters
10217         that aren't necessarily followed by a nul terminator.
10218         (handle_char_store): Likewise.
10219
10220 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10221
10222         PR tree-optimization/80769
10223         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
10224         for malloc and calloc.  Document the new invariant that all related
10225         strinfos have delayed lengths or none do.
10226         (verify_related_strinfos): Move earlier in file.
10227         (set_endptr_and_length): New function, split out from...
10228         (get_string_length): ...here.  Also set the lengths of related
10229         strinfos.
10230         (zero_length_string): Assert that chainsi has known (rather than
10231         delayed) lengths.
10232         (adjust_related_strinfos): Likewise.
10233
10234 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10235
10236         PR tree-optimization/81136
10237         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
10238         assert that two references with the same misalignment have the same
10239         compile-time misalignment if those compile-time misalignments
10240         are known.
10241
10242 2017-07-01  Andi Kleen  <ak@linux.intel.com>
10243
10244         * print-tree.c (print_node): Print all attributes.
10245
10246 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10247
10248         * cfg.c (scale_bbs_frequencies): New function.
10249         * cfg.h (scale_bbs_frequencies): Declare it.
10250         * cfgloopanal.c (single_likely_exit): Cleanup.
10251         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
10252         as parameter.
10253         (scale_loop_profile): Likewise.
10254         (loop_version): Likewise.
10255         (create_empty_loop_on_edge): Update.
10256         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
10257         scale_loop_frequencies, scale_loop_profile, loopify,
10258         loop_version): Update prototypes.
10259         * modulo-sched.c (sms_schedule): Update.
10260         * predict.c (unlikely_executed_edge_p): Also check probability.
10261         (probably_never_executed_edge_p): Fix typo.
10262         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10263         * tree-parloops.c (gen_parallel_loop): Update.
10264         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
10265         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10266         * tree-ssa-loop-split.c (split_loop): Update.
10267         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10268         * tree-vect-loop-manip.c (vect_do_peeling): Update.
10269         (vect_loop_versioning): Update.
10270         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10271
10272 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10273
10274         * trans-mem.c (split_bb_make_tm_edge): Update profile.
10275
10276 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10277
10278         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
10279         to keep profile consistent.
10280
10281 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10282
10283         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
10284         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
10285         * profile-count.h (max_safe_multiplier): Make unsigned.
10286         (profile_count::guessed_zero): New.
10287
10288 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10289
10290         * bb-reorder.c (fix_up_crossing_landing_pad,
10291         fix_crossing_conditional_branches): Use make_single_succ_edge
10292         to keep profile consistent.
10293
10294 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10295
10296         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
10297         to update profile.
10298
10299 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
10300
10301         PR sanitizer/81262
10302         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
10303         the right scopes, make sure cond_jump isn't preserved between multiple
10304         iterations.  Search for fallthru edge whenever there are 3+ edges and
10305         use find_fallthru_edge for it.
10306
10307 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10308
10309         Patch by Alexander Monakov <amonakov@ispras.ru>
10310         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
10311         probabilities consistently.
10312
10313 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10314
10315         * pa.c (pa_expand_compare_and_swap_loop): Update call of
10316         emit_cmp_and_jump_insns.
10317
10318 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10319
10320         PR ipa/81261
10321         * tree-inline.c (expand_call_inline): Combine profile statuses.
10322
10323 2017-06-30  Andrew Pinski  <apinski@cavium.com>
10324
10325         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
10326         fold_stmt returned true.
10327
10328 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10329
10330         * ggc.h (empty_string): Delete.
10331         * cfgexpand.c (expand_asm_stmt): Use plain "".
10332         * optabs.c (expand_asm_memory_barrier): Likewise.
10333         * stringpool.c (empty_string): Delete.
10334         (digit_vector, digit_string): Delete.
10335         (ggc_alloc_string): Use plain "", don't optimize single digit
10336         strings.  Use ggc_alloc_atomic.
10337
10338 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
10339
10340         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
10341         comparison set and one other set, use the cost of the non-comparison
10342         set.
10343
10344 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10345
10346         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
10347         some formatting.
10348
10349 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
10350
10351         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
10352         loops.  Remove now unneeded calls to gimple_switch_set_label() that
10353         just set removed labels to NULL_TREE.
10354
10355 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
10356
10357         * tree-ssanames.c (set_range_info_raw): Abstract from ...
10358         (set_range_info): ...here.  Only call set_range_info_raw if domain
10359         is useful.
10360         (set_nonzero_bits): Call set_range_info_raw.
10361         * tree-ssanames.h (set_range_info_raw): New.
10362
10363 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
10364
10365         PR target/81225
10366         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
10367         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
10368         of nonimmediate_operand and <store_mask_constraint> instead of m
10369         for the input operand.  For V8FI iterator, always split if input
10370         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
10371         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
10372         <store_mask_predicate> instead of register_operand and
10373         <store_mask_constraint> instead of v for the input operand.  Make
10374         sure both operands aren't MEMs for if not <mask_applied>.
10375
10376 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
10377
10378         * lto-wrapper.c (copy_file) Close both file descriptors before
10379         exiting normally.
10380
10381 2017-06-30  Martin Liska  <mliska@suse.cz>
10382
10383         PR ipa/81214
10384         * multiple_target.c (create_dispatcher_calls): Make ifunc
10385         also for function that don't have calls or are not referenced.
10386
10387 2017-06-30  Richard Biener  <rguenther@suse.de>
10388
10389         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
10390         analyze the first scalar stmt.  Move vector type computation
10391         for the BB case here from ...
10392         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
10393         live operation processing in the SLP case properly.
10394
10395 2017-06-30  Richard Biener  <rguenther@suse.de>
10396
10397         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
10398
10399 2017-06-30  Martin Liska  <mliska@suse.cz>
10400
10401         PR sanitizer/81021
10402         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
10403         before BUILT_IN_UNWIND_RESUME when ASAN is used.
10404
10405 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
10406
10407         * doc/invoke.texi (AArch64): Add missing options and remove redundant
10408         ones.
10409
10410 2017-06-30  Richard Biener  <rguenther@suse.de>
10411
10412         PR tree-optimization/81249
10413         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
10414         condition reduction result to original scalar type.
10415
10416 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10417
10418         * profile-count.h (enum profile_quality): Fix typos and whitespace
10419         issues.
10420
10421 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10422
10423         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
10424         type for branch probabilities.
10425
10426 2017-06-29  Julian Brown  <julian@codesourcery.com>
10427             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10428
10429         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
10430         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
10431         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
10432         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
10433
10434 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10435
10436         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
10437         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
10438         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
10439         CC usage from generic code to here.
10440         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
10441         CC usage into the target macros.
10442
10443 2017-06-29  Maya Rashish  <coypu@sdf.org>
10444
10445         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
10446         objects.
10447
10448 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10449
10450         * arm/arm-builtins.c: Include profile-count.h
10451         * except.c (sjlj_emit_function_enter): Use
10452         profile_probability::unlikely.
10453
10454 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10455
10456         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
10457         and tocrel_offset be pointer args rather than implicitly using
10458         static versions.
10459         (legitimate_constant_pool_address_p, rs6000_emit_move,
10460         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
10461         tocrel_offset and use in toc_relative_expr_p call.
10462         (print_operand, print_operand_address): Use static tocrel_base_oac
10463         and tocrel_offset_oac.
10464         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
10465         tocrel_offset_oac.
10466
10467 2017-06-29  Maya Rashish  <coypu@sdf.org>
10468
10469         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
10470
10471 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
10472
10473         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
10474         objects, take into account only the alignment of 'op0' and 'mode1' if
10475         'op0' is a MEM.
10476
10477 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
10478
10479         * ccmp.c (ccmp_tree_comparison_p): New function.
10480         (ccmp_candidate_p): Update to use above function.
10481         (get_compare_parts): New function.
10482         (expand_ccmp_next): Update to use new functions.
10483         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
10484         new functions.
10485         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
10486         take mode as argument.
10487         * ccmp.h (expand_ccmp_expr): Add mode as argument.
10488         * expr.c (expand_expr_real_1): Pass mode as argument.
10489
10490 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
10491
10492         * combine.c (combine_instructions): Print insns to dump_file, together
10493         with their costs.
10494
10495 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10496
10497         * asan.c (asan_emit_stack_protection): Update.
10498         (create_cond_insert_point): Update.
10499         * auto-profile.c (afdo_propagate_circuit): Update.
10500         * basic-block.h (struct edge_def): Turn probability to
10501         profile_probability.
10502         (EDGE_FREQUENCY): Update.
10503         * bb-reorder.c (find_traces_1_round): Update.
10504         (better_edge_p): Update.
10505         (sanitize_hot_paths): Update.
10506         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
10507         (make_single_succ_edge): Update.
10508         (check_bb_profile): Update.
10509         (dump_edge_info): Update.
10510         (update_bb_profile_for_threading): Update.
10511         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
10512         probabilitycount to 0.
10513         * cfgbuild.c (compute_outgoing_frequencies): Update.
10514         * cfgcleanup.c (try_forward_edges): Update.
10515         (outgoing_edges_match): Update.
10516         (try_crossjump_to_edge): Update.
10517         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
10518         (expand_gimple_tailcall): Update.
10519         (construct_init_block): Use make_single_succ_edge.
10520         (construct_exit_block): Use make_single_succ_edge.
10521         * cfghooks.c (verify_flow_info): Update.
10522         (redirect_edge_succ_nodup): Update.
10523         (split_edge): Update.
10524         (account_profile_record): Update.
10525         * cfgloopanal.c (single_likely_exit): Update.
10526         * cfgloopmanip.c (scale_loop_profile): Update.
10527         (set_zero_probability): Remove.
10528         (duplicate_loop_to_header_edge): Update.
10529         * cfgloopmanip.h (loop_version): Update prototype.
10530         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
10531         (force_nonfallthru_and_redirect): Update.
10532         (update_br_prob_note): Update.
10533         (rtl_verify_edges): Update.
10534         (purge_dead_edges): Update.
10535         (rtl_lv_add_condition_to_bb): Update.
10536         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
10537         * cgraphunit.c (init_lowered_empty_function): Update.
10538         (cgraph_node::expand_thunk): Update.
10539         * cilk-common.c: Include profile-count.h
10540         * dojump.c (inv): Remove.
10541         (jumpifnot): Update.
10542         (jumpifnot_1): Update.
10543         (do_jump_1): Update.
10544         (do_jump): Update.
10545         (do_jump_by_parts_greater_rtx): Update.
10546         (do_compare_rtx_and_jump): Update.
10547         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
10548         do_jump_1. do_compare_rtx_and_jump): Update prototype.
10549         * dwarf2cfi.c: Include profile-count.h
10550         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
10551         (sjlj_emit_dispatch_table): Likewise.
10552         * explow.c: Include profile-count.h
10553         * expmed.c (emit_store_flag_force): Update.
10554         (do_cmp_and_jump): Update.
10555         * expr.c (compare_by_pieces_d::generate): Update.
10556         (compare_by_pieces_d::finish_mode): Update.
10557         (emit_block_move_via_loop): Update.
10558         (store_expr_with_bounds): Update.
10559         (store_constructor): Update.
10560         (expand_expr_real_2): Update.
10561         (expand_expr_real_1): Update.
10562         * expr.h (try_casesi, try_tablejump): Update prototypes.
10563         * gimple-pretty-print.c (dump_probability): Update.
10564         (dump_profile): New.
10565         (dump_gimple_label): Update.
10566         (dump_gimple_bb_header): Update.
10567         * graph.c (draw_cfg_node_succ_edges): Update.
10568         * hsa-gen.c (convert_switch_statements): Update.
10569         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
10570         (find_if_case_1): Update.
10571         (find_if_case_2): Update.
10572         * internal-fn.c (expand_arith_overflow_result_store): Update.
10573         (expand_addsub_overflow): Update.
10574         (expand_neg_overflow): Update.
10575         (expand_mul_overflow): Update.
10576         (expand_vector_ubsan_overflow): Update.
10577         * ipa-cp.c (good_cloning_opportunity_p): Update.
10578         * ipa-split.c (split_function): Use make_single_succ_edge.
10579         * ipa-utils.c (ipa_merge_profiles): Update.
10580         * loop-doloop.c (add_test): Update.
10581         (doloop_modify): Update.
10582         * loop-unroll.c (compare_and_jump_seq): Update.
10583         (unroll_loop_runtime_iterations): Update.
10584         * lra-constraints.c (lra_inheritance): Update.
10585         * lto-streamer-in.c (input_cfg): Update.
10586         * lto-streamer-out.c (output_cfg): Update.
10587         * mcf.c (adjust_cfg_counts): Update.
10588         * modulo-sched.c (sms_schedule): Update.
10589         * omp-expand.c (expand_omp_for_init_counts): Update.
10590         (extract_omp_for_update_vars): Update.
10591         (expand_omp_ordered_sink): Update.
10592         (expand_omp_for_ordered_loops): Update.
10593         (expand_omp_for_generic): Update.
10594         (expand_omp_for_static_nochunk): Update.
10595         (expand_omp_for_static_chunk): Update.
10596         (expand_cilk_for): Update.
10597         (expand_omp_simd): Update.
10598         (expand_omp_taskloop_for_outer): Update.
10599         (expand_omp_taskloop_for_inner): Update.
10600         * omp-simd-clone.c (simd_clone_adjust): Update.
10601         * optabs.c (expand_doubleword_shift): Update.
10602         (expand_abs): Update.
10603         (emit_cmp_and_jump_insn_1): Update.
10604         (expand_compare_and_swap_loop): Update.
10605         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
10606         * predict.c (predictable_edge_p): Update.
10607         (edge_probability_reliable_p): Update.
10608         (set_even_probabilities): Update.
10609         (combine_predictions_for_insn): Update.
10610         (combine_predictions_for_bb): Update.
10611         (propagate_freq): Update.
10612         (estimate_bb_frequencies): Update.
10613         (force_edge_cold): Update.
10614         * profile-count.c (profile_count::dump): Add missing space into dump.
10615         (profile_count::debug): Add newline.
10616         (profile_count::differs_from_p): Explicitly convert to unsigned.
10617         (profile_count::stream_in): Update.
10618         (profile_probability::dump): New member function.
10619         (profile_probability::debug): New member function.
10620         (profile_probability::differs_from_p): New member function.
10621         (profile_probability::differs_lot_from_p): New member function.
10622         (profile_probability::stream_in): New member function.
10623         (profile_probability::stream_out): New member function.
10624         * profile-count.h (profile_count_quality): Rename to ...
10625         (profile_quality): ... this one.
10626         (profile_probability): New.
10627         (profile_count): Update.
10628         * profile.c (compute_branch_probabilities): Update.
10629         * recog.c (peep2_attempt): Update.
10630         * sched-ebb.c (schedule_ebbs): Update.
10631         * sched-rgn.c (find_single_block_region): Update.
10632         (compute_dom_prob_ps): Update.
10633         (schedule_region): Update.
10634         * sel-sched-ir.c (compute_succs_info): Update.
10635         * stmt.c (struct case_node): Update.
10636         (do_jump_if_equal): Update.
10637         (get_outgoing_edge_probs): Update.
10638         (conditional_probability): Update.
10639         (emit_case_dispatch_table): Update.
10640         (expand_case): Update.
10641         (expand_sjlj_dispatch_table): Update.
10642         (emit_case_nodes): Update.
10643         * targhooks.c: Update.
10644         * tracer.c (better_p): Update.
10645         (find_best_successor): Update.
10646         * trans-mem.c (expand_transaction): Update.
10647         * tree-call-cdce.c: Update.
10648         * tree-cfg.c (gimple_split_edge): Upate.
10649         (move_sese_region_to_fn): Upate.
10650         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
10651         * tree-eh.c (lower_resx): Upate.
10652         (cleanup_empty_eh_move_lp): Upate.
10653         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10654         * tree-inline.c (copy_edges_for_bb): Update.
10655         (copy_cfg_body): Update.
10656         * tree-parloops.c (gen_parallel_loop): Update.
10657         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
10658         (gimple_gen_time_profiler): Update.
10659         * tree-ssa-dce.c (remove_dead_stmt): Update.
10660         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
10661         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
10662         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
10663         (unloop_loops): Update.
10664         (try_peel_loop): Update.
10665         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10666         * tree-ssa-loop-split.c (connect_loops): Update.
10667         (split_loop): Update.
10668         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10669         (hoist_guard): Update.
10670         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
10671         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
10672         (value_replacement): Update.
10673         * tree-ssa-reassoc.c (branch_fixup): Update.
10674         * tree-ssa-tail-merge.c (replace_block_by): Update.
10675         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
10676         (create_edge_and_update_destination_phis): Update.
10677         (compute_path_counts): Update.
10678         (recompute_probabilities): Update.
10679         (update_joiner_offpath_counts): Update.
10680         (freqs_to_counts_path): Update.
10681         (duplicate_thread_path): Update.
10682         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
10683         (struct switch_conv_info): Update.
10684         (gen_inbound_check): Update.
10685         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
10686         (vect_do_peeling): Update.
10687         (vect_loop_versioning): Update.
10688         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10689         (optimize_mask_stores): Update.
10690         * ubsan.c (ubsan_expand_null_ifn): Update.
10691         * value-prof.c (gimple_divmod_fixed_value): Update.
10692         (gimple_divmod_fixed_value_transform): Update.
10693         (gimple_mod_pow2): Update.
10694         (gimple_mod_pow2_value_transform): Update.
10695         (gimple_mod_subtract): Update.
10696         (gimple_mod_subtract_transform): Update.
10697         (gimple_ic): Update.
10698         (gimple_stringop_fixed_value): Update.
10699         (gimple_stringops_transform): Update.
10700         * value-prof.h: Update.
10701
10702 2017-06-29  Carl Love  <cel@us.ibm.com>
10703
10704         * config/rs6000/rs6000-c.c: Add support for built-in functions
10705         vector signed int vec_signed (vector float);
10706         vector signed long long vec_signed (vector double);
10707         vector signed int vec_signed2 (vector double, vector double);
10708         vector signed int vec_signede (vector double);
10709         vector signed int vec_signedo (vector double);
10710         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
10711         instruction generator.
10712         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10713         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
10714         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
10715         Add define_insn.
10716         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
10717         vunsignede_v2df): Add define_expands.
10718         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
10719         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
10720         VEC_UNSIGNEDO): Add definitions.
10721         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10722         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
10723         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
10724         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
10725         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
10726         * config/rs6000/altivec.h (vec_signed, vec_signed2,
10727         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
10728         vec_unsignede, vec_unsignedo): Add builtin defines.
10729         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
10730         declaration.
10731         * doc/extend.texi: Update the built-in documentation file for the
10732         new built-in functions.
10733
10734 2017-06-29  Richard Biener  <rguenther@suse.de>
10735
10736         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
10737         reduction chains to LOOP_VINFO_REDUCTIONS.
10738         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
10739         SLP reductions after processing reduction chains.
10740
10741 2017-06-29  Nathan Sidwell  <nathan@acm.org>
10742
10743         * builtins.c (fold_builtin_FUNCTION): Use
10744         lang_hooks.decl_printable_name.
10745
10746 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
10747
10748         PR middle-end/81194
10749         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
10750         with only one label.
10751         * stmt.c (expand_case): Assert NCASES is greater than one.
10752
10753 2017-06-29  Richard Biener  <rguenther@suse.de>
10754
10755         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
10756         anything.
10757         (group_case_labels): Likewise.
10758         (find_taken_edge): Push sanity checking on val to workers...
10759         (find_taken_edge_cond_expr): ... here
10760         (find_taken_edge_switch_expr): ... and here, handle cases
10761         with just a default label.
10762         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
10763         (group_case_labels): Likewise.
10764         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
10765         group_case_labels does anything cleanup the CFG again.
10766
10767 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
10768
10769         PR tree-optimization/81196
10770         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
10771         exit condition comparing two IVs.
10772
10773 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
10774
10775         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
10776         profile to the dummy entry at the end of the list of architectures.
10777         * config/arm/arm-cpu-cdata.h: Regenerated.
10778
10779 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10780             Michael Collison <michael.collison@arm.com>
10781
10782         PR target/70119
10783         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
10784         New pattern.
10785         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
10786         (*aarch64_reg_<mode>3_minus_mask): New pattern.
10787         (*aarch64_<optab>_reg_di3_mask2): New pattern.
10788         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
10789         of shift when the shift amount is masked with constant equal to
10790         the size of the mode.
10791         * config/aarch64/predicates.md (subreg_lowpart_operator): New
10792         predicate.
10793
10794 2017-06-29  Martin Liska  <mliska@suse.cz>
10795
10796         * config/i386/i386.opt: Change range from [1,5] to [0,5].
10797
10798 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
10799
10800         PR bootstrap/80565
10801         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
10802         code.
10803         * ipa-inline.h
10804         (edge_growth_cache_entry::edge_growth_cache_entry): New
10805         function.
10806         (reset_edge_growth_cache): Update to use constructor.
10807
10808 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10809
10810         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
10811         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10812         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10813
10814 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
10815
10816         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
10817         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
10818
10819 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
10820
10821         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
10822         (*-linux-uclibc*): Add t-uclibc tmake_file.
10823         * config/t-musl: New.
10824         * config/t-uclibc: New.
10825
10826 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
10827
10828         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
10829         context.
10830         (gen_comm_data): Emit architectural setting of arch_prof.
10831         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
10832         profile.
10833         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
10834         (armv8-m.base, armv8-m.main): Likewise.
10835         * arm-protos.h (arm_build_target): Add profile field.
10836         (arch_option): Likewise.
10837         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
10838         the active target.
10839         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
10840         arm_active_target.profile.
10841
10842 2017-06-28  Richard Biener  <rguenther@suse.de>
10843
10844         PR middle-end/81227
10845         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
10846         TYPE_OVERFLOW_WRAPS.
10847         * match.pd (negate_expr_p): Likewise.
10848         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
10849         fold_build2, not fold_binary.
10850
10851 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10852
10853         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
10854         Convert memory address to Pmode.
10855         (aarch64_print_operand): Assert MEM operands are always Pmode.
10856
10857 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10858
10859         PR target/79665
10860         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
10861         Remove redundant if.
10862         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
10863         * config/arm/aarch-common-protos.h
10864         (aarch_forward_to_shift_is_not_shifted_re): Remove.
10865         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
10866
10867 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
10868
10869         PR ipa/81238
10870         * multiple_target.c (create_dispatcher_calls): Set the default
10871         clone to be static, not public.
10872
10873 2017-06-28  Richard Biener  <rguenther@suse.de>
10874
10875         * tree-vect-loop.c (vectorizable_reduction): Move special
10876         cond reduction IV var creation ...
10877         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
10878         parameter.  Use STMT_VINFO_VECTYPE.
10879         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
10880         constant_p.
10881
10882 2017-06-28  Martin Liska  <mliska@suse.cz>
10883
10884         PR ipa/81128
10885         * ipa-visibility.c (non_local_p): Handle visibility.
10886
10887 2017-06-28  Martin Liska  <mliska@suse.cz>
10888
10889         PR driver/79659
10890         * common.opt: Add IntegerRange to various options.
10891         * opt-functions.awk (integer_range_info): New function.
10892         * optc-gen.awk: Add integer_range_info to cl_options struct.
10893         * opts-common.c (decode_cmdline_option): Handle
10894         CL_ERR_INT_RANGE_ARG.
10895         (cmdline_handle_error): Likewise.
10896         * opts.c (print_filtered_help): Show valid interval in
10897         when --help is provided.
10898         * opts.h (struct cl_option): Add range_min and range_max fields.
10899         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
10900
10901 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
10902
10903         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
10904         (x * C EQ/NE y * C): New transformation.
10905
10906 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
10907
10908         * genmultilib (combination_space): Accept '+' in option names.
10909
10910 2017-06-28  Martin Liska  <mliska@suse.cz>
10911
10912         PR sanitizer/81224
10913         * asan.c (instrument_derefs): Bail out inner references
10914         that are hard register variables.
10915
10916 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
10917
10918         PR target/81175
10919         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
10920         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
10921
10922 2017-06-28  Richard Biener  <rguenther@suse.de>
10923
10924         * tree-vectorizer.h (vect_get_vec_defs): Remove.
10925         (vect_get_slp_defs): Adjust.
10926         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
10927         out from ...
10928         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
10929         simplify.
10930         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
10931         get_initial_defs_for_reduction instead of vect_get_vec_defs.
10932         (vectorizable_reduction): Adjust.
10933         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
10934         handling.
10935         (vect_get_slp_defs): Likewise.
10936         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
10937         (vectorizable_bswap): Adjust.
10938         (vectorizable_call): Likewise.
10939         (vectorizable_conversion): Likewise.
10940         (vectorizable_assignment): Likewise.
10941         (vectorizable_shift): Likewise.
10942         (vectorizable_operation): Likewise.
10943         (vectorizable_store): Likewise.
10944         (vectorizable_condition): Likewise.
10945         (vectorizable_comparison): Likewise.
10946
10947 2017-06-28  Michael Collison  <michael.collison@arm.com>
10948
10949         PR target/68535
10950         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
10951         set of base_reg
10952         (arm_gen_movmemqi): Removed unused variable 'i'.
10953         Convert 'for' loop into 'while' loop.
10954         (arm_expand_prologue): Remove last unnecessary set of insn.
10955         (thumb_pop): Remove unused variable 'pushed_words'.
10956         (thumb_exit): Remove last unnecessary set of regs_to_pop.
10957
10958 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10959
10960         * config/s390/predicates.md: Use s390_rel_address_ok_p.
10961         * config/s390/s390-protos.h: Add prototype of
10962         s390_rel_address_ok_p.
10963         * config/s390/s390.c (s390_got_symbol): New function.
10964         (s390_rel_address_ok_p): New function.
10965         (legitimize_pic_address): Use s390_rel_address_ok_p.
10966         (s390_load_got): Use s390_got_symbol.
10967         (s390_option_override): Issue error if
10968         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
10969         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
10970         New macro.
10971         * config/s390/s390.opt: New option mpic-data-is-text-relative.
10972
10973 2017-06-27  Andrew Pinski  <apinski@cavium.com>
10974
10975         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
10976         (X * copysign (1.0, X)): New pattern.
10977         (X * copysign (1.0, -X)): New pattern.
10978         (copysign (-1.0, CST)): New pattern.
10979
10980 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
10981
10982         * genmultilib (combination_space): Remove variable.
10983         Validate reuse rules against regular expression for any sequence
10984         of multilib options in any order.
10985
10986 2017-06-27  Michael Collison  <michael.collison@arm.com>
10987
10988         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
10989         call aarch64_split_simd_combine.
10990         * (aarch64_combine_internal<mode>): Delete pattern.
10991         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
10992         Allow register and subreg operands.
10993
10994 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10995
10996         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
10997         specific need, just fallback on defaults.
10998         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
10999
11000 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11001             Olivier Hainque  <hainque@adacore.com>
11002
11003         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
11004         map for 64bits.
11005         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
11006         targets. Pick a default if no particular attempt applied.
11007         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
11008         larger contexts.
11009
11010 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11011
11012         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
11013         (x86_64-wrs-vxworks7): Likewise.
11014
11015 2017-06-27  Marek Polacek  <polacek@redhat.com>
11016
11017         PR sanitizer/81223
11018         * ubsan.c (instrument_null): Check get_base_address's result for null.
11019
11020 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11021
11022         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
11023
11024 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11025
11026         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
11027         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
11028         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
11029         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
11030         New function types.
11031         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
11032         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
11033         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
11034         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
11035         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
11036         BUILT_IN_FEUPDATEENV): New builtins.
11037         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
11038         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
11039         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
11040         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
11041         macros.
11042         (builtin_structptr_types): Adjust size.
11043         * tree.c (builtin_structptr_types): Add four entries.
11044
11045 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11046             Olivier Hainque  <hainque@adacore.com>
11047
11048         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
11049         (TLS_SYM): New local macro, forcing reference to __tls__ on
11050         link command lines for VxWorks 7 RTPs, triggering initialization
11051         of tlsLib.
11052         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
11053         OS features TLS support, true for RTPs on VxWorks 7.
11054         * config/vxworks.c (vxworks_override_options): Setup emutls
11055         accordingly.
11056
11057 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11058
11059         * predict.c (test_prediction_value_range): Use -1U instead of -1
11060         to avoid narrowing conversion warning.
11061         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
11062         to avoid narrowing conversion warning.
11063         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
11064         -1.
11065         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
11066
11067 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11068
11069         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
11070         64bit configurations.
11071         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
11072         (SIZE_TYPE): Likewise.
11073         * config/vxworks.c (vxworks_emutls_var_fields): Use
11074         long_unsigned_type_node instead of unsigned_type_node as the offset
11075         field type, which is "pointer" mode in emutls.c.
11076
11077 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11078
11079         PR sanitizer/81209
11080         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
11081
11082         PR middle-end/81207
11083         * gimple-fold.c (replace_call_with_call_and_fold): Handle
11084         gimple_vuse copying separately from gimple_vdef copying.
11085
11086 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11087
11088         * value-prof.c (free_hist): Remove call to memset and the enclosing if
11089         condition.
11090
11091 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11092             Olivier Hainque  <hainque@adacore.com>
11093
11094         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
11095         for all vxworks7 targets.
11096         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
11097         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
11098         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
11099         variations for VX6/VX7 and 32/64bits later on in ...
11100         (VXWORKS_LIB_SPEC): Leverage new macros.
11101         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
11102         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
11103
11104 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11105
11106         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
11107         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
11108
11109 2017-06-26  Carl Love  <cel@us.ibm.com>
11110
11111         * config/rs6000/rs6000-c.c: Add support for built-in functions
11112         vector bool char vec_reve (vector bool char);
11113         vector signed char vec_reve (vector signed char);
11114         vector unsigned char vec_reve (vector unsigned char);
11115         vector bool int vec_reve (vector bool int);
11116         vector signed int vec_reve (vector signed int);
11117         vector unsigned int vec_reve (vector unsigned int);
11118         vector bool long long vec_reve (vector bool long long);
11119         vector signed long long vec_reve (vector signed long long);
11120         vector unsigned long long vec_reve (vector unsigned long long);
11121         vector bool short vec_reve (vector bool short);
11122         vector signed short vec_reve (vector signed short);
11123         vector double vec_reve (vector double);
11124         vector float vec_reve (vector float);
11125         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
11126         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
11127         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
11128         (altivec_vreve): New pattern.
11129         * config/rs6000/altivec.h (vec_reve): New define.
11130         * doc/extend.texi (vec_rev): Update the built-in documentation file
11131         for the new built-in functions.
11132
11133 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11134
11135         PR tree-optimization/71815
11136         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
11137         function.
11138         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
11139         has_single_use.
11140         (slsr_process_phi): Likewise.
11141         (replace_uncond_cands_and_profitable_phis): Don't replace a
11142         multiply candidate with a stride of 1 (copy or cast).
11143         (phi_incr_cost): Call uses_consumed_by_stmt rather than
11144         has_single_use.
11145         (lowest_cost_path): Likewise.
11146         (total_savings): Likewise.
11147
11148 2017-06-26  Richard Biener  <rguenther@suse.de>
11149
11150         PR target/81175
11151         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
11152         Use def_builtin_pure for all gather builtins.
11153
11154 2017-06-26  Richard Biener  <rguenther@suse.de>
11155
11156         PR tree-optimization/81203
11157         * tree-tailcall.c (find_tail_calls): Do not move stmts into
11158         non-dominating BBs.
11159
11160 2017-06-26  Marek Polacek  <polacek@redhat.com>
11161
11162         PR c/80116
11163         * doc/invoke.texi: Document -Wmultistatement-macros.
11164
11165 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
11166
11167         * doc/sourcebuild.texi (ARM-specific attributes): Document new
11168         arm_neon_ok_no_float_abi effective target.
11169
11170 2017-06-26  Richard Biener  <rguenther@suse.de>
11171
11172         PR tree-optimization/80928
11173         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
11174         (copy_bbs): Set BB_DUPLICATED flag early.
11175         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
11176         marked blocks.
11177         (execute_on_shrinking_pred): Likewise.
11178         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
11179         BB_DUPLICATED blocks.
11180         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
11181         iterate over all PHIs considering removal of *gsi.
11182
11183 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
11184
11185         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
11186         qdf24xx.
11187
11188 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11189
11190         * config/rs6000/rs6000-string.c: (expand_block_clear,
11191         do_load_for_compare, select_block_compare_mode,
11192         compute_current_alignment, expand_block_compare,
11193         expand_strncmp_align_check, expand_strn_compare,
11194         expand_block_move, rs6000_output_load_multiple)
11195         Move functions related to string/block move/compare
11196         to a separate file.
11197         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
11198         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
11199         for this function which is now used in two files.
11200         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
11201         * config.gcc: Add rs6000-string.o to extra_objs for
11202         targets powerpc*-*-* and rs6000*-*-*.
11203
11204 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
11205
11206         PR target/80510
11207         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
11208         32-bit, since indexed is not valid for DImode.
11209         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
11210         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
11211         (define_peephole2 for Altivec d-form load): Add 32-bit support.
11212         (define_peephole2 for Altivec d-form store): Likewise.
11213
11214         PR ipa/81185
11215         * multiple_target.c (create_dispatcher_calls): Only create the
11216         dispatcher call if the function is the default clone of a
11217         versioned function.
11218
11219 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
11220
11221         PR middle-end/80902
11222         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
11223         a call, force the call to not be a tail call.
11224
11225 2017-06-23  Jeff Law  <law@redhat.com>
11226
11227         * doc/contrib.texi: Add entry for Steven Pemberton's work on
11228         enquire.
11229
11230 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
11231
11232         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
11233         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
11234         handling for early expansion of vector shifts (sl,sr,sra,rl).
11235         (builtin_function_type): Add vector shift right instructions
11236         to the unsigned argument list.
11237
11238 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11239
11240         rtl-optimizatoin/79286
11241         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
11242         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
11243         trap.  PIC register plus a const unspec without offset can never trap.
11244
11245 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
11246
11247         * tree.h (builtin_structptr_type): New type.
11248         (builtin_structptr_types): Declare new array.
11249         * tree.c (builtin_structptr_types): New array.
11250         (free_lang_data, build_common_tree_nodes): Use it.
11251
11252 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
11253
11254         PR c++/81187
11255         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
11256         -Wnoexcept.
11257
11258 2017-06-22  Matt Turner  <mattst88@gmail.com>
11259
11260         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
11261         Lake models to skylake case.  Assume skylake for unknown
11262         models with clflushopt.
11263
11264 2017-06-22  Jeff Law  <law@redhat.com>
11265
11266         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
11267         frame sizes that do not satisfy aarch64_uimm12_shift.
11268
11269 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
11270
11271         * profile-count.h (apply_probability,
11272         apply_scale, probability_in): Fix checks for zero.
11273
11274 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11275
11276         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
11277         * doc/cppdiropts.texi (-I @var{dir}): Document it.
11278
11279 2016-06-22  Richard Biener  <rguenther@suse.de>
11280
11281         * tree-vect-loop.c (vect_model_reduction_cost): Handle
11282         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
11283         REDUC_MAX_EXPR support.
11284         (vectorizable_reduction): Likewise.
11285         (vect_create_epilog_for_reduction): Likewise.
11286
11287 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
11288
11289         * match.pd (A / (1 << B) -> A >> B): New.
11290         * generic-match-head.c: Include optabs-tree.h.
11291         * gimple-match-head.c: Likewise.
11292         * optabs-tree.h (target_supports_op_p): New.
11293         * optabs-tree.c (target_supports_op_p): New.
11294
11295 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11296
11297         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
11298         $gcc_cv_ld --help output.
11299         (gcc_cv_ld_demangle): Likewise.
11300         (gcc_cv_ld_eh_frame_hdr): Likewise.
11301         (gcc_cv_ld_pie): Likewise.
11302         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
11303         (gcc_cv_ld_buildid): Likewise.
11304         (gcc_cv_ld_sysroot): Likewise.
11305         (ld_bndplt_support): Likewise.
11306         (ld_pushpopstate_support): Likewise.
11307         * configure: Regenerate.
11308         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
11309
11310 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11311
11312         PR target/81151
11313         * config/i386/sse.md (round<mode>2): Renumber match_dup and
11314         operands indexes to avoid gap between operands and match_dups.
11315
11316 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11317
11318         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
11319         Increment Arith_shift and Arith_shift_reg by 1.
11320         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
11321         New tuning flag.
11322         * config/aarch64/aarch64.c (thunderx_tunings): Enable
11323         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
11324         (aarch64_strip_extend): Add new argument and test for it.
11325         (aarch64_cheap_mult_shift_p): New function.
11326         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
11327         add a cost if it is true.
11328         Update calls to aarch64_strip_extend.
11329         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
11330
11331 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11332
11333         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
11334         tunings.
11335         (thunderxt88): Likewise.
11336         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
11337         (thunderx_prefetch_tune): New variable.
11338         (thunderx2t99_prefetch_tune): Update for the correct values.
11339         (thunderxt88_tunings): New variable.
11340         (thunderx_tunings): Use thunderx_prefetch_tune instead of
11341         generic_prefetch_tune.
11342         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
11343
11344 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11345
11346         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
11347         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
11348         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
11349         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
11350         (aarch64_atomic_cas<mode>, GPI): Likewise.
11351
11352 2017-06-21  Martin Liska  <mliska@suse.cz>
11353
11354         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
11355         statements on cold and hot labels.
11356         * predict.c (tree_estimate_probability_bb): Remove the
11357         prediction from this place.
11358
11359 2017-06-21  Martin Liska  <mliska@suse.cz>
11360
11361         PR tree-optimization/79489
11362         * gimplify.c (maybe_add_early_return_predict_stmt): New
11363         function.
11364         (gimplify_return_expr): Call the function.
11365         * predict.c (tree_estimate_probability_bb): Remove handling
11366         of early return.
11367         * predict.def: Update comment about early return predictor.
11368         * gimple-predict.h (is_gimple_predict): New function.
11369         * predict.def: Change default value of early return to 66.
11370         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
11371         statements.
11372         * passes.def: Put pass_strip_predict_hints to the beginning of
11373         IPA passes.
11374
11375 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
11376
11377         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
11378         FUNCTION_DECL declarations.
11379         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
11380         declarations.
11381         (dwaf2out_decl): Likewise.
11382         * godump.c (go_early_global_decl): Skip call to the real debug hook
11383         for FUNCTION_DECL declarations.
11384         * passes.c (rest_of_decl_compilation): Skip call to the
11385         early_global_decl debug hook for FUNCTION_DECL declarations, unless
11386         -fdump-go-spec is passed.
11387
11388 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11389
11390         * config/i386/i386.c (struct builtin_isa): New field pure_p.
11391         Reorder for compactness.
11392         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
11393         (def_builtin_pure, def_builtin_pure2): New functions.
11394         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
11395
11396 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11397
11398         * match.pd (nop_convert): New predicate.
11399         ((A +- CST1) +- CST2): Allow some NOP conversions.
11400
11401 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11402
11403         PR c++/81130
11404         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
11405         with ctors/dtors if GOVD_SHARED is set.
11406
11407 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11408
11409         * config/aarch64/aarch64.md (movti_aarch64):
11410         Emit mov rather than orr.
11411         (movtf_aarch64): Likewise.
11412         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
11413         Emit mov rather than orr.
11414
11415 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11416
11417         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
11418         Swap alternatives, make integer dup more expensive.
11419
11420 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11421
11422         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
11423         Return true for non-tls symbols.
11424
11425 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
11426
11427         * config/aarch64/aarch64-cores.def (cortex-a55): New.
11428         (cortex-a75): Likewise.
11429         (cortex-a75.cortex-a55): Likewise.
11430         * config/aarch64/aarch64-tune.md: Regenerate.
11431         * doc/invoke.texi (-mtune): Document new values for -mtune.
11432
11433 2017-06-21  Tom de Vries  <tom@codesourcery.com>
11434
11435         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
11436         stack_size feature.
11437         (Effective-Target Keywords, Other attributes): Suggest using
11438         dg-add-options stack_size feature to get stack limit in stack_size
11439         effective target documentation.
11440
11441 2017-06-21  Julian Brown  <julian@codesourcery.com>
11442             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11443
11444         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
11445         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
11446         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
11447         reservation.
11448         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
11449         attribute type list for neon_multiply.
11450         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
11451         attribute type list for neon_multiply.
11452         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
11453         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
11454         attribute type list for neon_multiply.
11455         * config/arm/types.md (crypto_pmull): Add.
11456         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
11457         attribute type list.
11458
11459 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
11460
11461         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
11462         arm1176jzf-s.
11463
11464 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11465
11466         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
11467         to make sure not to dereference a NULL cost_classes_ptr pointer.
11468
11469 2017-06-20  Carl Love  <cel@us.ibm.com>
11470
11471         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11472         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
11473         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
11474         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
11475         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
11476         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
11477         VMULOSW): New enum "unspec" values.
11478         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
11479         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
11480         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
11481         altivec_vmulosw): New patterns.
11482         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
11483         VMULOSW): Add definitions.
11484
11485 2017-06-20  Julia Koval  <julia.koval@intel.com>
11486
11487         * config/i386/i386.c: Fix rounding expand for new pattern.
11488         * config/i386/subst.md: Fix pattern (parallel -> unspec).
11489
11490 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11491
11492         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
11493         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
11494
11495 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11496
11497         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
11498         feature string.
11499
11500 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11501
11502         * config/aarch64/aarch64-cores.def: Rearrange to sort by
11503         architecture, then by implementer ID.
11504         * config/aarch64/aarch64-tune.md: Regenerate.
11505
11506 2017-06-20  Richard Biener  <rguenther@suse.de>
11507
11508         PR middle-end/81097
11509         * fold-const.c (split_tree): Fold to type before negating.
11510
11511 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
11512
11513         * diagnostic-show-locus.c
11514         (selftest::test_fixit_deletion_affecting_newline): New function.
11515         (selftest::diagnostic_show_locus_c_tests): Call it.
11516
11517 2017-06-20  Andreas Schwab  <schwab@suse.de>
11518
11519         PR target/80970
11520         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
11521         instead of "+d".
11522
11523 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
11524
11525         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
11526         __ARM_FEATURE_COPROC according to support.
11527
11528 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11529
11530         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
11531         Rewritten to avoid overflow for > 32-bit pointers.
11532
11533         PR sanitizer/81125
11534         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
11535         by removing enum keyword.
11536         (ubsan_type_descriptor): Likewise.  Formatting fix.
11537
11538         PR target/81121
11539         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
11540         splitter): Require TARGET_SSE2 in the condition.
11541
11542 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
11543
11544         PR target/79799
11545         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
11546         for doing vector set of SFmode on ISA 3.0.
11547         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
11548         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
11549         element.
11550         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
11551         SFmode value into a V4SF variable that was extracted from another
11552         V4SF variable without converting the element to double precision
11553         and back to single precision vector format.
11554         (vsx_insert_extract_v4sf_p9_2): Likewise.
11555
11556 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
11557
11558         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
11559         in UWHI to avoid undefined overflow.
11560
11561         PR sanitizer/81125
11562         * ubsan.h (enum ubsan_encode_value_phase): New.
11563         (ubsan_encode_value): Change second argument to
11564         enum ubsan_encode_value_phase with default value of
11565         UBSAN_ENCODE_VALUE_GENERIC.
11566         * ubsan.c (ubsan_encode_value): Change second argument to
11567         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
11568         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
11569         create_tmp_var_raw instead of create_tmp_var and use a
11570         TARGET_EXPR.
11571         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
11572         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
11573         ubsan_encode_value callers.
11574
11575         PR sanitizer/81111
11576         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
11577         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
11578         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
11579
11580 2017-06-19  Richard Biener  <rguenther@suse.de>
11581
11582         PR middle-end/81118
11583         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
11584         estimates if we changed anything.
11585
11586 2017-06-19  Richard Biener  <rguenther@suse.de>
11587
11588         PR tree-optimization/80887
11589         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
11590         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
11591         simplified lookups, then reset mprts_hook.
11592         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
11593         simplifying.
11594         (try_to_simplify): Likewise.
11595
11596 2017-06-19  Martin Liska  <mliska@suse.cz>
11597
11598         PR sanitizer/80879
11599         * gimplify.c (gimplify_switch_expr):
11600         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
11601
11602 2017-06-19  Martin Liska  <mliska@suse.cz>
11603
11604         * doc/install.texi: Document that PGO runs in 4 stages.
11605
11606 2017-06-19  Martin Liska  <mliska@suse.cz>
11607
11608         PR ipa/80732
11609         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
11610         to dispatcher function name.
11611         * multiple_target.c (replace_function_decl): New function.
11612         (create_dispatcher_calls): Redirect both edges and references.
11613
11614 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
11615
11616         * profile-count.c (profile_count::dump): Dump quality.
11617         (profile_count::differs_from_p): Update for unsigned val.
11618         * profile-count.h (profile_count_quality): New enum.
11619         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
11620
11621 2017-06-19  Richard Biener  <rguenther@suse.de>
11622
11623         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
11624         struct function as arg.
11625         (estimate_numbers_of_iterations): Export overload with loop arg.
11626         (free_numbers_of_iterations_estimates_loop): Use an overload of
11627         free_numbers_of_iterations_estimates instead.
11628         * tree-cfg.c (remove_bb): Adjust.
11629         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
11630         * tree-parloops.c (gen_parallel_loop): Likewise.
11631         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
11632         Likewise.
11633         (tree_unroll_loops_completely): Likewise.
11634         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
11635         Use an overload instead and export.
11636         (estimated_loop_iterations): Adjust.
11637         (max_loop_iterations): Likewise.
11638         (likely_max_loop_iterations): Likewise.
11639         (estimate_numbers_of_iterations): Take struct function as arg
11640         and adjust.
11641         (loop_exits_before_overflow): Adjust.
11642         (free_numbers_of_iterations_estimates_loop): Use an overload.
11643         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
11644         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
11645
11646 2017-06-19  Richard Biener  <rguenther@suse.de>
11647
11648         PR ipa/81112
11649         * ipa-prop.c (find_constructor_constant_at_offset): Handle
11650         RANGE_EXPR conservatively.
11651
11652 2017-06-16  Carl Love  <cel@us.ibm.com>
11653
11654         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11655         definitions for vec_float, vec_float2, vec_floato,
11656         vec_floate built-ins.
11657         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
11658         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
11659         floate.
11660         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
11661         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
11662         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
11663         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
11664         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
11665         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
11666         vec_floato): Add builtin defines.
11667         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
11668         Update the built-in documentation file for the new built-in
11669         functions.
11670
11671 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11672
11673         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
11674         (mthumb): Mark as the negative of -marm.
11675
11676 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11677
11678         * doc/invoke.texi (ARM Options, -mcpu): Document supported
11679         extension options.
11680         (ARM Options, -mtune): Document that this accepts the same
11681         extension options as -mcpu.
11682         (ARM Options, -mfpu): Document addition of -mfpu=auto.
11683
11684 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11685
11686         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
11687         permitted extensions.
11688
11689 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11690
11691         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
11692         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
11693         (armv8-m.main): Add option +nodsp.
11694         * config/arm/arm-cpu-cdata.h: Regenerated.
11695
11696 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11697
11698         * config/arm/t-fuchsia: New file.
11699         * config.gcc (arm*-*-fuchsia*): Use it.
11700
11701 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11702
11703         * config/arm/t-symbian: Rewrite for new option infrastructure.
11704
11705 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11706
11707         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
11708         (MULTILIB_REQUIRED): Likewise.
11709
11710 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11711
11712         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
11713         (MULTILIB_RESUE): Likewise.
11714         (MULTILIB_MATCHES): Likewise.
11715         (MULTLIB_REQUIRED): Likewise.
11716
11717 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11718
11719         * config/arm/t-rtems: Rewrite for new option framework.
11720
11721 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11722
11723         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
11724         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
11725         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
11726         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
11727         * config/arm/t-multilib: ... here.
11728         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
11729         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
11730         armv7-a and armv8*-a when A-profile libraries have not been built.
11731         * config/arm/t-rmprofile: Rewrite.
11732
11733 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11734
11735         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
11736         with a backslash.  Remove the backslash after substituting unescaped
11737         periods.
11738         * doc/fragments.texi (MULTILIB_REUSE): Document it.
11739
11740 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11741
11742         * config.gcc: (arm*-*-*): When building a-profile libraries, force
11743         the driver to pass through the default setting of -mfloat-abi.
11744         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
11745         rather than NULL.
11746         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
11747         (all_feat_combs): New rule.
11748         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
11749         default libraries.
11750         * config/arm/t-aprofile: Rewrite.
11751
11752 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11753
11754         * config/arm/arm.h (FPUTYPE_AUTO): Define.
11755         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
11756         fpu is not specified by the user/command-line.
11757         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
11758         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
11759         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
11760         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
11761         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
11762         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
11763
11764 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11765
11766         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
11767         * config/arm/t-arm-elf: Rewritten.
11768
11769 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11770
11771         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
11772         have some floating-point instructions.
11773         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
11774         (TARGET_MAYBE_HARD_FLOAT): New macro.
11775         * config/arm/arm-builtins.c (arm_init_builtins): Use
11776         TARGET_MAYBE_HARD_FLOAT.
11777         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
11778
11779 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11780
11781         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
11782         (configargs.h): Include it.
11783         (arm_print_hint_for_fpu_option): New function.
11784         (arm_parse_fpu_option): New function.
11785         (candidate_extension): New class.
11786         (arm_canon_for_multilib): New function.
11787         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
11788         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
11789         (ARCH_CANONICAL_SPECS): New macro.
11790         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
11791
11792 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11793
11794         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
11795         are set after handling multilib fragments.  Set target_cpu_default2
11796         from with_cpu.
11797
11798 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11799
11800         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
11801         cpu name.
11802         (arm*-*-*): Set target_cpu_default2 to a quoted string.
11803         * config/arm/parsecpu.awk (check_cpu): Validate any extension
11804         options.
11805         (check_arch): Likewise.
11806         * config/arm/arm.c (arm_configure_build_target): Handle
11807         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
11808         options in the default.
11809
11810 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11811
11812         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
11813         when an option is an alias of another.
11814         * config/arm/parsecpu.awk (optalias): New parser token.
11815         (gen_comm_data): Mark non-alias options as such.  Emit entries
11816         for extension aliases.
11817         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
11818         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
11819         (armv6kz, armv6zk, armv6t2): Likewise.
11820         (armv7): Make vfpv3-d16 an alias.
11821         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
11822         canonical order.
11823         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
11824         Sort in canonical order.
11825         (armv8-a): Sort in canonical order.
11826         (armv8.1-a, armv8.2-a):  Likewise.
11827         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
11828         canonical order.
11829         (cortex-a9): Sort in canonical order.
11830         * config/arm/arm.c (selftests.h): Include it.
11831         (arm_test_cpu_arch_data): New function.
11832         (arm_run_self_tests): New function.
11833         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
11834         (targetm): Move declaration to the end of the file.
11835         * arm-cpu-cdata.h: Regenerated.
11836
11837 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11838
11839         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
11840         call to target_mode_check describing the type of option passed.
11841         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
11842         (arm_target_thumb_only): Use arm_parse_arch_option_name or
11843         arm_parse_cpu_option_name to match parameters against list of
11844         available targets.
11845         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
11846         arm_arch_core_flags data structure.
11847         * config/arm/arm-cpu_cdata.h: Regenerated.
11848
11849 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11850
11851         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
11852         config/arm/arm.c.
11853         (arm_print_hint_for_cpu_option): Likewise.
11854         (arm_print_hint_for_arch_option): Likewise.
11855         (arm_parse_cpu_option_name): Likewise.
11856         (arm_parse_arch_option_name): Likewise.
11857         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
11858         of entries in the all_fpus list.
11859         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
11860         (arm_parse_cpu_option_name): Declare.
11861         (arm_parse_arch_option_name): Declare.
11862         (arm_parse_option_features): Declare.
11863         (arm_intialize_isa): Declare.
11864         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
11865         data tables to ...
11866         (gen_comm_data): ... here.  Make definitions non-static.
11867         * config/arm/arm-cpu-data.h: Regenerated.
11868         * config/arm/arm-cpu-cdata.h: Regenerated.
11869
11870 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11871
11872         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
11873         (cpu_arch_extension): New structure.
11874         (cpu_arch_option, arch_option, cpu_option): New structures.
11875         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
11876         architecture types.
11877         (gen_data): Generate new format data tables.
11878         * config/arm/arm.c (cpu_tune): New structure.
11879         (cpu_option, processors): Delete.
11880         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
11881         (arm_print_hint_for_cpu_option): ... this and ...
11882         (arm_print_hint_for_arch_option): ... this.
11883         (arm_parse_arch_cpu_name): Delete.  Replace with ...
11884         (arm_parse_cpu_option_name): ... this and ...
11885         (arm_parse_arch_option_name): ... this.
11886         (arm_unrecognized_feature): Change type of target parameter to
11887         cpu_arch_option.
11888         (arm_parse_arch_cpu_features): Delete.  Replace with ...
11889         (arm_parse_option_features): ... this.
11890         (arm_configure_build_target): Rework to use new configuration data
11891         tables.
11892         (arm_print_tune_info): Rework for new configuration data tables.
11893         * config/arm/arm-cpu-data.h: Regenerated.
11894         * config/arm/arm-cpu.h: Regenerated.
11895
11896 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11897
11898         * Makefile.in (OBJS): Move sbitmap.o from here ...
11899         (OBJS-libcommon): ... to here.
11900
11901 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11902
11903         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
11904         (ISA_ALL_CRYPTO): New macro.
11905         (ISA_ALL_SIMD): New macro
11906         (ISA_ALL_FP): New macro.
11907         * config/arm/arm.c (fpu_bitlist): Update initializer.
11908         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
11909         simd or fp.
11910         (arm9e): Add fpu.  Add option for nofp
11911         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
11912         (arm926ej-s, arm1026ej-s): Likewise.
11913         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
11914         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
11915         neon-fp16, neon-vfpv4, nofp and nosimd.
11916         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
11917         (cortex-a8): Add fpu.  Add option for nofp.
11918         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
11919         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
11920         (cortex-r4f): Add fpu.
11921         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
11922         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
11923         for nofp.
11924         (cortex-r8): Likewise.
11925         (cortex-m4): Add fpu.  Add option for nofp.
11926         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
11927         (cortex-a17.cortex-a7): Likewise.
11928         (cortex-a32): Add fpu.  Add options for crypto and nofp.
11929         (cortex-a35, cortex-a53): Likewise.
11930         (cortex-a57): Add fpu.  Add option for crypto.
11931         (cortex-a72, cortex-a73): Likewise.
11932         (exynos-m1): Likewise.
11933         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
11934         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
11935         (cortex-m33): Add fpu.  Add option for nofp.
11936         * config/arm/arm-cpu-cdata.h: Regenerated
11937         * config/arm/arm-cpu-data.h: Regenerated.
11938
11939 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11940
11941         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
11942         (armv5te, armv5tej): Likewise.
11943         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
11944         (armv7): Add options fp and vfpv3-d16.
11945         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
11946         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
11947         nofp and nosimd.
11948         (armv7ve): Likewise.
11949         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
11950         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
11951         (armv8-a): Add nocrypto option.
11952         (armv8.1-a, armv8.2-a): Likewise.
11953         (armv8-m.main): add options fp, fp.dp and nofp.
11954
11955 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11956
11957         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
11958         nofp.
11959         (armv8-a+crc): Delete.
11960         (armv8.1-a): Add options simd, crypto and nofp.
11961         (armv8.2-a): Add options fp16, simd, crypto and nofp.
11962         (armv8.2-a+fp16): Delete.
11963         (armv8-m.main): Add option dsp.
11964         (armv8-m.main+dsp): Delete.
11965         (cortex-a8): Add fpu.  Add nofp option.
11966         (cortex-a9): Add fpu.  Add nofp and nosimd options.
11967         * config/arm/parsecpu.awk (gen_data): Generate option tables and
11968         link to main cpu and architecture data structures.
11969         (gen_comm_data): Only put isa attributes from the main architecture
11970         in common tables.
11971         (option): New statement for architecture and CPU entries.
11972         * arm.c (struct cpu_option): New structure.
11973         (struct processors): Add entry for options.
11974         (arm_unrecognized_feature): New function.
11975         (arm_parse_arch_cpu_name): Ignore any characters after the first
11976         '+' character.
11977         (arm_parse_arch_cpu_feature): New function.
11978         (arm_configure_build_target): Separate out any CPU and architecture
11979         features and parse separately.  Don't error out if -mfpu=auto is
11980         used with only an architecture string.
11981         (arm_print_asm_arch_directives): New function.
11982         (arm_file_start): Call it.
11983         * config/arm/arm-cpu-cdata.h: Regenerated.
11984         * config/arm/arm-cpu-data.h: Likewise.
11985         * config/arm/arm-tables.opt: Likewise.
11986
11987 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11988
11989         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
11990         assembler when it is not -mfpu=auto.
11991
11992 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11993
11994         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
11995         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
11996         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
11997         (ASM_CPU_SPEC): Rewrite.
11998         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
11999         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
12000         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
12001         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
12002         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
12003         copied string is NUL-terminated.  Also strip any characters prefixed
12004         by '+'.
12005         (arm_rewrite_selected_arch): New function.
12006         (arm_rewrite_march): New function.
12007
12008 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12009
12010         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
12011         (x_arm_cpu_string, x_arm_tune_string): Likewise.
12012         (march, mcpu, mtune): Convert to string-based options.
12013         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
12014         (arm_parse_arch_cpu_name): New function.
12015         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
12016         identify selected architecture or CPU.
12017         (arm_option_save): New function.
12018         (TARGET_OPTION_SAVE): Redefine.
12019         (arm_option_restore): Restore string options.
12020         (arm_option_print): Print string options.
12021
12022 2017-06-16  Martin Sebor  <msebor@redhat.com>
12023
12024         PR tree-optimization/80933
12025         PR tree-optimization/80934
12026         * builtins.c (fold_builtin_3): Do not handle bcmp here.
12027         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
12028         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
12029         (gimple_fold_builtin): Call them.
12030
12031 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12032
12033         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
12034         as unlikely; update profile.
12035
12036 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12037
12038         * predict.c (force_edge_cold): Handle declaring edges impossible
12039         more aggresively.
12040
12041 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12042
12043         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
12044         profile.
12045         (try_unroll_loop_completely): Fix reporting.
12046
12047 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12048
12049         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
12050
12051 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
12052
12053         PR target/71778
12054         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
12055         if given a non-constant argument for an intrinsic which requires a
12056         constant.
12057
12058 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12059
12060         * profile.c (compare_freqs): New function.
12061         (branch_prob): Sort edge list.
12062         (find_spanning_tree): Assume that the list is priority sorted.
12063
12064 2017-06-16  Richard Biener  <rguenther@suse.de>
12065
12066         PR tree-optimization/81090
12067         * passes.def (pass_record_bounds): Remove.
12068         * tree-pass.h (make_pass_record_bounds): Likewise.
12069         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
12070         make_pass_record_bounds): Likewise.
12071         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
12072         not free niter estimates at the beginning but at the end.
12073         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
12074
12075 2017-06-16  Richard Biener  <rguenther@suse.de>
12076
12077         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
12078         initializer to workaround ICE in host GCC 4.8.
12079
12080 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12081
12082         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
12083         counts.
12084         (clone_inlined_nodes): Update.
12085
12086 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12087
12088         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
12089         prefetch settings, and enable prefetching by default at -O3.
12090
12091 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12092
12093         * config/aarch64/aarch64.c (aarch64_override_options_internal):
12094         Set flag_prefetch_loop_arrays according to tuning data.
12095
12096 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12097
12098         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
12099         New tune structure.
12100         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
12101         [Unrelated to main purpose of the patch] Place the pointer field last
12102         to enable type checking errors when tune structure are wrongly merged.
12103         * config/aarch64/aarch64.c (generic_prefetch_tune,)
12104         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
12105         (thunderx2t99_prefetch_tune): New tune constants.
12106         (tune_params *_tunings): Update all tunings (no functional change).
12107         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
12108         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
12109         from tunings structures.
12110
12111 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
12112
12113         PR sanitizer/81094
12114         * ubsan.c (instrument_null): Add T argument, use it instead
12115         of computing it based on IS_LHS.
12116         (instrument_object_size): Likewise.
12117         (pass_ubsan::execute): Adjust instrument_null and
12118         instrument_object_size callers to pass gimple_get_lhs or
12119         gimple_assign_rhs1 result to it.  Use instrument_null instead of
12120         calling get_base_address and instrument_mem_ref.  Handle
12121         aggregate call arguments for object-size sanitization.
12122
12123 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
12124
12125         PR tree-optimization/81089
12126         * tree-vrp.c (is_masked_range_test): Validate operands of
12127         subexpression.
12128
12129 2017-06-15  Martin Sebor  <msebor@redhat.com>
12130
12131         PR c++/80560
12132         * dumpfile.c (dump_register): Avoid calling memset to initialize
12133         a class with a default ctor.
12134         * gcc.c (struct compiler): Remove const qualification.
12135         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
12136         * hash-table.h: Ditto.
12137         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
12138           assignment.
12139         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
12140         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
12141         default ctor.
12142         * params.h (struct param_info): Make struct members non-const.
12143         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
12144         with default initialization.
12145         * vec.h (vec_copy_construct, vec_default_construct): New helper
12146         functions.
12147         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
12148         with vec_copy_construct.
12149         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
12150         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
12151         * doc/invoke.texi (-Wclass-memaccess): Document.
12152
12153 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12154
12155         * emit-rtl.h (is_leaf): Update comment about local
12156         register allocator.
12157
12158 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
12159
12160         PR target/78818
12161         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
12162         for a variable to have a section before checking if the section has a
12163         name.
12164         Set section to.persistent if persistent attribute is set.
12165         Warn if .persistent attribute is used on an automatic variable.
12166
12167 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
12168
12169         PR rtl-optimization/80474
12170         * reorg.c (update_block): Do not ignore instructions in a delay slot.
12171
12172 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
12173
12174         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
12175         of REGNO.
12176
12177 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
12178
12179         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
12180         (casesi): Emit bounds checking as RTL.
12181         (casesi_internal_mips16_<mode>): Remove bounds checking.
12182
12183 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
12184
12185         * config/xtensa/xtensa.c (xtensa_option_override): Append
12186         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
12187         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
12188          xtensa_doloop_hooks): Define unconditionally.
12189         (xtensa_reorg_loops): Only call reorg_loops in the presence of
12190         TARGET_LOOPS.
12191         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
12192         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
12193         for it in xtensa_option_override.
12194         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
12195          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
12196
12197 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
12198
12199         * doc/cppopts.texi: Document '-' special value to -MF.
12200
12201 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
12202
12203         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
12204         (cortex_a53_fconst): Likewise.
12205         (cortex_a53_fpmul): Likewise.
12206         (cortex_a53_f_load_64): Likewise.
12207         (cortex_a53_f_load_many): Likewise.
12208         (cortex_a53_advsimd_alu): Likewise.
12209         (cortex_a53_advsimd_alu_q): Likewise.
12210         (cortex_a53_advsimd_mul): Likewise.
12211         (cortex_a53_advsimd_mul_q): Likewise.
12212         (fpmac bypass): Add new bypass for fpmac-fpmac case.
12213         Add missing fmul, r2f_cvt and fconst cases.
12214
12215 2017-06-14  Richard Biener  <rguenther@suse.de>
12216
12217         PR middle-end/81088
12218         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
12219         literal constants.
12220         (fold_binary_loc): When associating do not treat pre-existing
12221         TREE_OVERFLOW on literal constants as a reason to allow
12222         TREE_OVERFLOW on associated literal constants.
12223
12224 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12225
12226         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
12227         (MASK_FEATURES): New macro.
12228         * config/sparc/sparc.c (sparc_option_override): Remove the special
12229         handling of -mfpu and generalize it to all MASK_FEATURES switches.
12230
12231 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12232
12233         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
12234         a division of 0 if non-call exceptions are enabled.
12235
12236 2017-06-14  Andrew Pinski  <apinski@cavium.com>
12237             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
12238
12239         PR target/71663
12240         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
12241         Improve vector initialization code gen for only variable case.
12242
12243 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12244
12245         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
12246
12247 2017-06-14  Richard Biener  <rguenther@suse.de>
12248
12249         PR tree-optimization/81083
12250         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
12251         as values.
12252
12253 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12254
12255         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
12256         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
12257         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
12258         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
12259         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
12260         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
12261
12262 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12263
12264         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
12265         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
12266
12267 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12268
12269         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
12270
12271 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12272
12273         * config/rs6000/t-rtems: Don't handle SPE.
12274
12275 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12276
12277         * config/rs6000/t-linux: Don't handle SPE.
12278
12279 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12280
12281         * config/rs6000/eabispe.h: Delete file.
12282
12283 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12284
12285         * config/rs6000/t-spe: Delete file.
12286
12287 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12288
12289         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
12290         (rs6000_legitimate_offset_address_p): Return false for anything in
12291         V2SImode or V2SFmode.
12292
12293 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12294
12295         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
12296         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
12297         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
12298         and V4HImode.
12299         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
12300         (rs6000_legitimate_offset_address_p): Ditto.
12301         (rs6000_emit_move): Ditto.
12302         (rs6000_init_builtins): Remove V4HI_type_node.
12303
12304 2017-06-13  Martin Liska  <mliska@suse.cz>
12305
12306         PR sanitize/78204
12307         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
12308         (gate_asan): Likewise.
12309         * asan.h (asan_no_sanitize_address_p): Remove the function.
12310         (sanitize_flags_p): New function.
12311         * builtins.def: Fix coding style.
12312         * common.opt: Use renamed enum value.
12313         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
12314         * doc/extend.texi: Document no_sanitize attribute.
12315         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
12316         to SANITIZE_UNDEFINED_NONDEFAULT.
12317         * gcc.c (sanitize_spec_function): Use the renamed enum value.
12318         * gimple-fold.c (optimize_atomic_compare_exchange_p):
12319         Use sanitize_flags_p.
12320         * gimplify.c (gimplify_function_tree): Likewise.
12321         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
12322         * opts.c (parse_no_sanitize_attribute): New function.
12323         (common_handle_option): Use renamed enum value.
12324         * opts.h (parse_no_sanitize_attribute): Declare.
12325         * tree.c (sanitize_flags_p): New function.
12326         * tree.h: Declared here.
12327         * tsan.c: Use sanitize_flags_p.
12328         * ubsan.c (ubsan_expand_null_ifn): Likewise.
12329         (instrument_mem_ref): Likewise.
12330         (instrument_bool_enum_load): Likewise.
12331         (do_ubsan_in_current_function): Remove the function.
12332         (pass_ubsan::execute): Use sanitize_flags_p.
12333         * ubsan.h: Remove do_ubsan_in_current_function
12334         * tree-cfg.c (print_no_sanitize_attr_value): New function.
12335         (dump_function_to_file): Use it here.
12336
12337 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12338
12339         PR tree-optimization/80803
12340         PR tree-optimization/81063
12341         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
12342         (propagate_subaccesses_across_link): Enqueue subtree whenever
12343         necessary instead of relying on the caller.
12344
12345 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12346
12347         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
12348         that have a first_link.
12349         (sort_and_splice_var_accesses): Do not check first_link before
12350         enquing.
12351         (subtree_mark_written_and_enqueue): Likewise.
12352         (propagate_all_subaccesses): Likewise and do not stop at first
12353         parent with a first_link.
12354
12355 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12356
12357         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
12358         instead of f.
12359
12360 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12361
12362         * match.pd: New pattern.
12363
12364 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12365
12366         * tree-vrp.c (is_masked_range_test): New function.
12367         (register_edge_assert_for): Determine ranges for
12368         some bit tests.
12369
12370 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12371
12372         PR tree-optimization/67328
12373         * fold-const.c (maskable_range_p): New function.
12374         (build_range_check): Generate bittests if possible.
12375
12376 2017-06-13  Martin Liska  <mliska@suse.cz>
12377
12378         * gimple-pretty-print.c (dump_probability): Add new argument.
12379         (dump_edge_probability): Dump both probability and count.
12380         (dump_gimple_label): Likewise.
12381         (dump_gimple_bb_header): Likewise.
12382
12383 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
12384
12385         PR target/81072
12386         * config/avr/avr-devices.c: Fix indentation.
12387         * config/avr/gen-avr-mmcu-specs.c: Dito.
12388
12389 2017-06-13  Richard Biener  <rguenther@suse.de>
12390
12391         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
12392         instead get vector type from stmt_info.
12393         (vectorizable_reduction): Adjust.  Remove dead code.
12394
12395 2017-06-13  Richard Biener  <rguenther@suse.de>
12396
12397         PR middle-end/81065
12398         * fold-const.c (extract_muldiv_1): Remove bogus distribution
12399         case of C * (x * C2 + C3).
12400         (fold_addr_of_array_ref_difference): Properly fold index difference.
12401
12402 2017-06-12  David S. Miller  <davem@davemloft.net>
12403
12404         PR target/80968
12405         * config/sparc/sparc.md (return expander): Emit frame blockage if
12406         function uses alloca.
12407
12408 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
12409
12410         * combine.c (make_field_assignment): Check len rather than the mode
12411         precision when calling force_to_mode.
12412
12413 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
12414
12415         Support multilibs and devices that see flash in RAM address range.
12416
12417         PR target/81072
12418         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
12419         (avr_mcu_t) <flash_pm_offset>: New field.
12420         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
12421         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
12422         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
12423         (AVR_TINY_PM_OFFSET): Remove macro.
12424         * config/avr/avr.opt (-mshort-calls): New option.
12425         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
12426         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
12427         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
12428         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
12429         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
12430         instead of avr_arch->have_jmp_call.
12431         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
12432         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
12433         avr_arch->flash_pm_offset to define.
12434         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
12435         new field flash_pm_offset.  Add entry for avrxmega3.
12436         (avr_texinfo): Add entry for avrxmega3.
12437         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
12438         attiny212, attiny214,
12439         attiny412, attiny414, attiny416, attiny417,
12440         attiny814, attiny816, attiny817,
12441         attiny1614, attiny1616, attiny1617,
12442         attiny3214, attiny3216, attiny3217.
12443         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
12444         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
12445         (avr_print_operand_address) [AVR_TINY]: Same.
12446         (avr_asm_init_sections) <readonly_data_section>: Only patch
12447         callback if avr_arch->flash_pm_offset = 0.
12448         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
12449         for rodata if avr_arch->flash_pm_offset != 0.
12450         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
12451         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
12452         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
12453         (m_options): Append opt_rcall.
12454         (m_dirnames): Append dir_rcall.
12455         * config/avr/t-multilib: Regenerate.
12456
12457         * configure.ac [target=avr]: Check whether avrxmega3 default
12458         linker description file works as needed.
12459         * configure: Regenerate.
12460         * doc/avr-mmcu.texi: Regenerate.
12461         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
12462         <__AVR_ARCH__>: Document avrxmega3 and 103.
12463         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
12464         <__AVR_SHORT_CALLS__>: Document it.
12465         <__AVR_PM_BASE_ADDRESS__>: Document it.
12466         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
12467         (AVR Variable Attributes) <progmem>: Document this is
12468         not needed for avrxmega3.
12469         (AVR Named Address Spaces) <__flash>: Dito.
12470
12471 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
12472
12473         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
12474
12475 2017-06-12  Doug Rupp  <rupp@adacore.com>
12476
12477         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
12478         Append vxworks-stdint.h to the tm_file list.
12479         * config/vxworks-stdint.h: New file.
12480
12481 2017-06-12  Martin Liska  <mliska@suse.cz>
12482
12483         PR tree-optimization/81041
12484         * tree-profile.c (gimple_gen_ic_func_profiler):
12485         Create an extra BB in profile-generate
12486         (gimple_gen_time_profiler): Likewise.
12487
12488 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
12489
12490         PR tree-optimization/81003
12491         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
12492         (update_range_test): Use it instead of force_gimple_operand_gsi.
12493
12494 2017-06-12  Richard Biener  <rguenther@suse.de>
12495
12496         PR tree-optimization/81053
12497         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
12498         with backedge value not defined in loop.  Simplify def stmt
12499         compute.
12500
12501 2017-06-11  Tom de Vries  <tom@codesourcery.com>
12502
12503         PR target/79939
12504         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
12505         Return true.
12506         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
12507         nvptx_cannot_force_const_mem.
12508
12509 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12510
12511         * opts.c (finish_options): Move test for flag_split_stack after
12512         it has been initialized.
12513
12514 2017-06-11  Jason Merrill  <jason@redhat.com>
12515
12516         * tree.h (id_equal): New.
12517         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
12518         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
12519         instead of strcmp of IDENTIFIER_POINTER.
12520
12521 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12522
12523         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
12524         (mark_all_inlined_calls_cdtor): Fix formating.
12525         (inline_transform): Rescale profile before inlining.
12526
12527 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12528
12529         * cgraph.h (cgraph_edge::clone): Update prototype.
12530         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
12531         (cgraph_node::create_clone): Update.
12532         (cgraph_node::create_version_clone): Update.
12533         * tree-inline.c (copy_bb): Update.
12534         (expand_call_inline): Update.
12535
12536 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12537
12538         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
12539         factored out from ...
12540         (rs6000_emit_prologue): ... here.
12541
12542 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12543
12544         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
12545         factored out from ...
12546         (rs6000_emit_prologue): ... here.
12547
12548 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12549
12550         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
12551         edge counts.
12552         (handle_missing_profiles): Fix computation of tp_first_run.
12553         (counts_to_freqs): Do not touch freqs when count is 0.
12554
12555 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12556
12557         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
12558         profile.
12559
12560 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12561
12562         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
12563         attributes): Document signal effective target.
12564
12565 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12566
12567         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
12568         Document effective target stack_size.
12569
12570 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
12571
12572         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
12573         to the edit_context if they can be auto-applied.
12574
12575 2017-06-9  Ian Lance Taylor  <iant@golang.org>
12576
12577         * opts.c (finish_options): If -fsplit-stack, disable implicit
12578         -forder-blocks-and-partition.
12579         * doc/invoke.texi (Optimize Options): Document that when using
12580         -fsplit-stack -forder-blocks-and-partition is not implicitly
12581         enabled.
12582
12583 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12584
12585         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
12586         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
12587         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
12588         * builtins.def (abort, trap, unreachable): Declare cold.
12589         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
12590         * tree-core.h (ECF_COLD): New.
12591         * tree.c (set_call_expr_flags): Handle ECF_COLD.
12592         (build_common_builtin_nodes): Mark unreachable and abort as cold.
12593
12594 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12595
12596         * predict.c (unlikely_executed_stmt_p): Cleanup.
12597
12598 2017-06-09  Richard Biener  <rguenther@suse.de>
12599
12600         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
12601         model if the ref is always written to.
12602
12603 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12604
12605         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
12606
12607 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12608
12609         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
12610         than udiv.
12611
12612 2017-06-09  Tom de Vries  <tom@codesourcery.com>
12613
12614         PR target/80855
12615         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
12616         "target cannot support label values" when encountering LABEL_REF.
12617
12618 2017-06-09  Martin Liska  <mliska@suse.cz>
12619
12620         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
12621         (gimple_gen_ic_func_profiler): Emit direct comparison
12622         of __gcov_indirect_call_callee with NULL.
12623         (gimple_gen_time_profiler): Change probability from
12624         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
12625
12626 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12627
12628         * profile.c (edge_gcov_counts): Turn to pointer.
12629         (compute_branch_probabilities, compute_branch_probabilities): Update.
12630         (branch_prob): Do not clear edge_gcov_count.
12631         * profile.h (edge_gcov_counts): Turn to pointer.
12632         (edge_gcov_count): Update.
12633
12634 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12635
12636         * gimple.h (gimple_check_failed): Mark cold.
12637
12638 2017-06-09  Richard Biener  <rguenther@suse.de>
12639
12640         PR tree-optimization/66623
12641         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
12642         refactor check_reduction into two parts, properly computing
12643         whether we have to check reduction validity for outer loop
12644         vectorization.
12645
12646 2017-06-09  Richard Biener  <rguenther@suse.de>
12647
12648         PR tree-optimization/79483
12649         * graphite-scop-detection.c (order): New global.
12650         (get_order): Compute bb to order mapping that satisfies code
12651         generation constraints.
12652         (cmp_pbbs): New helper.
12653         (build_scops): Start domwalk at entry block, sort generated
12654         pbbs.
12655
12656 2017-06-09  Richard Biener  <rguenther@suse.de>
12657
12658         PR middle-end/81007
12659         * ipa-polymorphic-call.c
12660         (ipa_polymorphic_call_context::restrict_to_inner_class):
12661         Skip FIELD_DECLs with error_mark_node type.
12662         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
12663         last again.
12664
12665 2017-06-09  Martin Liska  <mliska@suse.cz>
12666
12667         * predict.c (struct branch_predictor): New struct.
12668         (test_prediction_value_range): New test.
12669         (predict_c_tests): New function.
12670         * selftest-run-tests.c (selftest::run_tests): Run the function.
12671         * selftest.h: Declare new tests.
12672
12673 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
12674
12675         PR target/80966
12676         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
12677         gen_add3_insn did not fail.
12678         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
12679         r0, construct that number in a temporary reg and add that reg to r0.
12680         If asked to put the result in r0 as well, fail.
12681
12682 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
12683
12684         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12685         for early expansion of vec_eqv.
12686
12687 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
12688
12689         PR middle-end/81005
12690         * ubsan.c (instrument_null): Avoid pointless code temporary.
12691         (pass_ubsan::execute): Instrument aggregate arguments of calls.
12692
12693 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
12694
12695         PR target/81015
12696         Revert:
12697         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
12698
12699         PR target/59874
12700         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
12701         (*clzhi2): Ditto.
12702
12703 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12704
12705         * predict.c (unlikely_executed_edge_p): Move ahead.
12706         (probably_never_executed_edge_p): Use it.
12707
12708 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12709
12710         PR middle-end/79988
12711         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
12712         gimple_call_builtin_p call.
12713
12714 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12715
12716         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
12717         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
12718         rtl_check_failed_type2, rtl_check_failed_code1,
12719         rtl_check_failed_code2, rtl_check_failed_code_mode,
12720         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
12721         rtvec_check_failed_bounds, rtl_check_failed_flag,
12722         _fatal_insn_not_found, _fatal_insn): Likewise.
12723         * tree.h (tree_contains_struct_check_failed,
12724         tree_check_failed, tree_not_check_failed,
12725         tree_class_check_failed, tree_range_check_failed,
12726         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
12727         tree_vec_elt_check_failed, phi_node_elt_check_failed,
12728         tree_operand_check_failed, omp_clause_check_failed,
12729         omp_clause_operand_check_failed, omp_clause_range_check_failed):
12730         Likewise.
12731
12732 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12733
12734         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
12735         flag_branch_probabilities.
12736         * ipa-inline.c (edge_badness): Likewise.
12737         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
12738         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
12739         * predict.c (maybe_hot_frequency_p): Likewise.
12740         (probably_never_executed): Likewise.
12741         * sched-ebb.c (schedule_ebbs): Likewise.
12742         * sched-rgn.c (find_single_block_region): Likewise.
12743         * tracer.c (tail_duplicate): Likewise.
12744
12745 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12746
12747         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
12748         longer requires x_flag_profile_use.
12749
12750 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12751
12752         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
12753         instead of flag_reorder_blocks_and_partition.
12754         * dbxout.c (dbxout_function_end): Likewise.
12755         * dwarf2out.c (gen_subprogram_die): Likewise.
12756         * haifa-sched.c (sched_create_recovery_edges): Likewise.
12757         * hw-doloop.c (reorg_loops): Likewise.
12758         * varasm.c (assemble_start_function,
12759         assemble_end_function): Likewise.
12760         (decide_function_section): Do not check for
12761         flag_reorder_blocks_and_partition.
12762
12763 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12764
12765         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
12766         New function.
12767         (chkp_get_hard_register_fake_addr_expr): Ditto.
12768         (chkp_build_addr_expr): Add check for hard reg case.
12769         (chkp_parse_array_and_component_ref): Ditto.
12770         (chkp_find_bounds_1): Ditto.
12771         (chkp_process_stmt): Don't generate bounds store for
12772         hard reg case.
12773
12774 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12775
12776         * predict.c (maybe_hot_bb_p): Do not check profile status.
12777         (maybe_hot_edge_p): Likewise.
12778         (probably_never_executed): Check for zero counts even if profile
12779         is not read.
12780         (unlikely_executed_edge_p): New function.
12781         (unlikely_executed_stmt_p): New function.
12782         (unlikely_executed_bb_p): New function.
12783         (set_even_probabilities): Use unlikely predicates.
12784         (combine_predictions_for_bb): Likewise.
12785         (predict_paths_for_bb): Likewise.
12786         (predict_paths_leading_to_edge): Likewise.
12787         (determine_unlikely_bbs): New function.
12788         (estimate_bb_frequencies): Use it.
12789         (compute_function_frequency): Use zero counts even if profile is
12790         not read.
12791         * profile-count.h: Fix typo.
12792
12793 2017-08-08  Julia Koval  <julia.koval@intel.com>
12794
12795         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
12796         _mm512_mask_cvtsepi16_storeu_epi8,
12797         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
12798         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
12799         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
12800         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
12801         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
12802         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
12803         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
12804         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
12805         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
12806         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
12807         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
12808         __builtin_ia32_pmovuswb256mem_mask,
12809         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
12810         __builtin_ia32_pmovwb512mem_mask): New builtins.
12811
12812 2017-08-08  Julia Koval  <julia.koval@intel.com>
12813
12814         PR target/73350,80862
12815         * config/i386/subst.md (round): Fix round pattern.
12816         * config/i386/i386.c (ix86_erase_embedded_rounding):
12817         Fix erasing rounding for the fixed pattern.
12818
12819 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12820
12821         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
12822
12823 2017-06-08  Martin Liska  <mliska@suse.cz>
12824
12825         PR gcov-profile/80911
12826         * gcov.c (block_info::block_info): New constructor.
12827
12828 2017-06-07  Carl Love  <cel@us.ibm.com>
12829
12830         * config/rs6000/rs6000-c: The return type of the following
12831         built-in functions was implemented as int not long long.  Fix sign
12832         of return value for the unsigned version of vec_mulo and vec_mule.
12833         vector unsigned long long vec_bperm (vector unsigned long long,
12834                                              vector unsigned char)
12835         vector signed long long vec_mule (vector signed int,
12836                                           vector signed int)
12837         vector unsigned long long vec_mule (vector unsigned int,
12838                                             vector unsigned int)
12839         vector signed long long vec_mulo (vector signed int,
12840                                           vector signed int)
12841         vector unsigned long long vec_mulo (vector unsigned int,
12842                                             vector unsigned int)
12843         * doc/extend.texi: Fix the documentation for the built-in
12844         functions.
12845
12846 2017-06-07  Carl Love  <cel@us.ibm.com>
12847
12848         PR target/80982
12849         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
12850         for BE.
12851
12852 2017-06-07  Carl Love  <cel@us.ibm.com>
12853
12854         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
12855         support, Generate       doublehv for signed int/float for BE case only.
12856
12857 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
12858
12859         * doc/invoke.texi (mcx16): Rewrite.
12860
12861 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12862
12863         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
12864         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
12865         *mov<mode>_softfloat, and an anonymous splitter): Use
12866         nonimmediate_operand instead of rs6000_nonimmediate_operand.
12867
12868 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12869
12870         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
12871         SPEFSCR registers.
12872         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12873         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
12874         (rs6000_debug_reg_global): Adjust.
12875         (rs6000_init_hard_regno_mode_ok): Adjust.
12876         (rs6000_dbx_register_number): Adjust.
12877         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
12878         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12879         Remove SPE_ACC and SPEFSCR.
12880         (REG_ALLOC_ORDER): Ditto.
12881         (FRAME_POINTER_REGNUM): Change to 111.
12882         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
12883         (REG_CLASS_NAMES): Ditto.
12884         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
12885         (REGISTER_NAMES): Ditto.
12886         (ADDITIONAL_REG_NAMES): Ditto.
12887         (rs6000_reg_names): Ditto.
12888         * config/rs6000/rs6000.md: Renumber some register number
12889         define_constants.
12890
12891 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12892
12893         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
12894         registers.
12895         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12896         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
12897         to 117.
12898         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
12899         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12900         Delete the SPE high registers.
12901         (REG_ALLOC_ORDER): Ditto.
12902         (enum reg_class): Remove SPE_HIGH_REGS.
12903         (REG_CLASS_NAMES): Ditto.
12904         (REG_CLASS_CONTENTS): Delete the SPE high registers.
12905         (REGISTER_NAMES): Ditto.
12906         (rs6000_reg_names): Ditto.
12907         * doc/tm.texi.in: Remove SPE as example.
12908         * doc/tm.texi: Regenerate.
12909
12910 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12911
12912         * config/rs6000/8540.md (ppc8540_brinc): Delete.
12913         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
12914         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
12915         * config/rs6000/rs6000.md (type): Remove "brinc".
12916
12917 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12918
12919         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
12920         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
12921         * config/rs6000/linuxspe.h: Delete file.
12922         * config/rs6000/rs6000.md: Don't include spe.md.
12923         * config/rs6000/spe.h: Delete file.
12924         * config/rs6000/spe.md: Delete file.
12925         * config/rs6000/t-rs6000: Remove spe.md.
12926
12927 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12928
12929         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
12930         (reg_or_none500mem_operand): Delete.
12931         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
12932         instead of reg_or_none500mem_operand.
12933
12934 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12935
12936         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
12937         handling of SPE flags.
12938         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
12939
12940 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12941
12942         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
12943         SPE ABI handling.
12944         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
12945         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
12946         paired_divv2sf3): Similar.
12947         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
12948         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
12949         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
12950         RS6000_BUILTIN_S.
12951         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
12952         Rename the paired_* instruction patterns.
12953         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
12954         define __SPE__.
12955         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
12956         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
12957         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
12958         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
12959         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
12960         PAIRED_VECTOR_MODE.
12961         (struct machine_function): Delete field spe_insn_chain_scanned_p.
12962         (spe_func_has_64bit_regs_p): Delete.
12963         (spe_expand_predicate_builtin): Delete.
12964         (spe_expand_evsel_builtin): Delete.
12965         (TARGET_DWARF_REGISTER_SPAN): Do not define.
12966         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
12967         (invalid_e500_subreg): Delete.
12968         (rs6000_legitimize_address): Always force_reg op2 as well, for
12969         paired single memory accesses.
12970         (rs6000_member_type_forces_blk): Delete.
12971         (rs6000_spe_function_arg): Delete.
12972         (rs6000_expand_unop_builtin): Delete SPE handling.
12973         (rs6000_expand_binop_builtin): Ditto.
12974         (spe_expand_stv_builtin): Delete.
12975         (bdesc_2arg_spe): Delete.
12976         (spe_expand_builtin): Delete.
12977         (spe_expand_predicate_builtin): Delete.
12978         (spe_expand_evsel_builtin): Delete.
12979         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
12980         (spe_init_builtins): Delete.
12981         (spe_func_has_64bit_regs_p): Delete.
12982         (savres_routine_name): Delete "info" parameter.  Adjust callers.
12983         (rs6000_emit_stack_reset): Ditto.
12984         (rs6000_dwarf_register_span): Delete.
12985         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
12986         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
12987         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
12988         Delete.
12989         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
12990         Delete.
12991         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
12992         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
12993         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
12994         mulv2sf3, divv2sf3): Delete expanders.
12995
12996 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12997
12998         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
12999
13000 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13001
13002         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
13003         * config/rs6000/rs6000.c: Ditto.
13004
13005 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13006
13007         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
13008         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
13009         comparison_operator.
13010
13011 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13012
13013         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
13014         * config/rs6000/rs6000.opt: Ditto.
13015         * config/rs6000/t-rtems: Ditto.
13016
13017 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13018
13019         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
13020         TARGET_E500_SINGLE by 0, simplify.
13021         * config/rs6000/rs6000.c: Ditto.
13022         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
13023         (spe_build_register_parallel): Delete.
13024         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
13025         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
13026         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
13027         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
13028         (E500_CONVERT): Delete.
13029         * config/rs6000/spe.md: Remove many patterns and all define_constants.
13030
13031 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13032
13033         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
13034         * config/rs6000/dfp.md: Ditto.
13035         (negdd2, *negdd2_fpr): Merge.
13036         (absdd2, *absdd2_fpr): Merge.
13037         (negtd2, *negtd2_fpr): Merge.
13038         (abstd2, *abstd2_fpr): Merge.
13039         * config/rs6000/e500.h: Delete file.
13040         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
13041         TARGET_FPRS by 1 and simplify.
13042         * config/rs6000/rs6000-c.c: Ditto.
13043         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
13044         TARGET_DF_SPE by 0.
13045         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
13046         TARGET_DF_SPE.
13047         * config/rs6000/rs6000.md: Ditto.
13048         (floatdidf2, *floatdidf2_fpr): Merge.
13049         (move_from_CR_gt_bit): Delete.
13050         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
13051         (E500_CR_IOR_COMPARE): Delete.
13052         (All patterns that require !TARGET_FPRS): Delete.
13053         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
13054
13055 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13056
13057         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
13058
13059 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13060
13061         * graphds.c (add_edge): Intitialize edge's attached data.
13062         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
13063         pointer parameter.  Call pointed function on each edge during
13064         graph traversing.  Skip traversing the edge when the function
13065         returns true.
13066         (graphds_dfs, graphds_scc): Ditto.
13067         (for_each_edge): New parameter.  Pass the new parameter to callback
13068         function.
13069         * graphds.h (skip_edge_callback): New function pointer type.
13070         (graphds_dfs, graphds_scc): New function pointer parameter.
13071         (graphds_edge_callback, for_each_edge): New parameter.
13072
13073 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13074
13075         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
13076         out code checking if runtime alias check is possible to below ...
13077         Call the new function.
13078         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
13079         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
13080
13081 2017-06-07  Marek Polacek  <polacek@redhat.com>
13082
13083         PR sanitizer/80932
13084         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
13085         TYPE_OVERFLOW_WRAPS check.
13086
13087 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13088
13089         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
13090         if versioning is required.
13091         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
13092         peeling with the check for versioning.
13093
13094 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13095
13096         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
13097         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
13098         Set true to new parameter if new ssa variable is defined.
13099         (vect_gen_vector_loop_niters): Refactor.  Set range information
13100         for the new vector loop bound variable.
13101         (vect_do_peeling): Ditto.
13102
13103 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13104
13105         * tree-affine.c (ssa.h): Include header file.
13106         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
13107         has wrapping overflow behavior.
13108
13109 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13110
13111         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
13112
13113 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13114
13115         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
13116         (tree_to_aff_combination): ... here.
13117
13118 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13119
13120         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
13121         reg_pressure model function.
13122         (ivopts_global_cost_for_size): Delete.
13123         (determine_set_costs, iv_ca_recount_cost): Call new model function
13124         ivopts_estimate_reg_pressure.
13125
13126 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13127
13128         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
13129         expensive than udiv.  Remove floating point cases from mod.
13130
13131 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13132
13133         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
13134         Increase idiv cost.
13135
13136 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13137
13138         * config/aarch64/aarch64.md
13139         (copysignsf3): Fix mask generation.
13140
13141 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
13142
13143         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
13144         TDI_gimple.
13145         (class dump_manager): Add register_dumps method.
13146         * dumpfile.c: Include langhooks.h.
13147         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
13148         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
13149         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
13150         (dump_manager::dump_register): Start with 512 entries instead of 32.
13151         (dump_manager::register_dumps): New method.
13152         * toplev.c (general_init): Instead of invoking register_dumps
13153         langhook, invoke register_dumps method on the dump manager.
13154         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
13155         TDI_generic.
13156
13157 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
13158
13159         * doc/md.texi: Clarify the restrictions on a define_insn condition.
13160         Say that # requires an associated define_split to exist, and that
13161         the define_split must be suitable for use after register allocation.
13162
13163 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13164
13165         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
13166         (compute_outgoing_frequencies): Also initialize zero counts.
13167         (find_many_sub_basic_blocks): Do not produce uninitialized profile
13168         around loops; preserve more of profile when nothing changes.
13169
13170 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
13171
13172         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
13173         here.
13174         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
13175         * config/arm/arm-cpu-cdata.h: Regenerate.
13176         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
13177         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
13178         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
13179         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
13180         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
13181         support.
13182         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
13183         support.
13184         * config/arm/t-rmprofile: Likewise.
13185         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
13186
13187 2017-06-06  David S. Miller  <davem@davemloft.net>
13188
13189         PR target/80968
13190         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
13191         blockage if function uses alloca.
13192
13193 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13194
13195         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
13196         New "uid" fields to hold pretty-print IDs of group and ref.
13197         Memory references are now identified as <group_id>:<ref_id>
13198         instead of using [random] addresses.
13199         (dump_mem_details): Simplify, no functional change.
13200         (dump_mem_ref): Simplify and make output more concise.
13201         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
13202         (find_or_create_group): Initialize group uid.
13203         (record_ref): Initialize ref uid.  Improve debug output.
13204         (prune_group_by_reuse, should_issue_prefetch_p,)
13205         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
13206         (mark_nontemporal_store, determine_loop_nest_reuse):
13207         Improve debug output.
13208
13209 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13210
13211         * dbgcnt.def (prefetch): New debug counter.
13212         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
13213         (schedule_prefetches): Stop issueing prefetches if debug counter
13214         tripped.
13215
13216 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13217
13218         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
13219         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
13220
13221 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13222
13223         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
13224         Use aarch64_reg_or_zero predicate for operand 4.
13225         (aarch64_compare_and_swap<mode> define_insn_and_split):
13226         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
13227         (aarch64_store_exclusive<mode>): Likewise for operand 2.
13228
13229 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13230
13231         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
13232         (arm_compute_save_core_reg_mask): This.
13233         (thumb1_compute_save_reg_mask): Rename into ...
13234         (thumb1_compute_save_core_reg_mask): This.
13235         (arm_compute_save_reg0_reg12_mask): Adapt comment.
13236         (arm_compute_frame_layout): Likewise.
13237
13238 2017-06-06  Richard Biener  <rguenther@suse.de>
13239
13240         PR tree-optimization/80974
13241         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
13242         keep or clear leaders SSA info.
13243
13244 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13245
13246         * config/nvptx/nvptx.c (split_mode_p): New function.
13247         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
13248
13249 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13250
13251         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
13252
13253 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13254
13255         PR bootstrap/80978
13256         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
13257         profile.
13258
13259 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13260
13261         * shrink-wrap.c (handle_simple_exit): Update profile.
13262         (try_shrink_wrapping): Upate profile.
13263
13264 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13265
13266         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
13267         (tree_guess_outgoing_edge_probabilities): New.
13268         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
13269         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
13270
13271 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13272
13273         * ipa-split.c (split_function): Initialize return bb profile.
13274
13275 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13276
13277         * profile.c (compute_branch_probabilities): Also initialize
13278         EXIT_BLOCK profile.
13279
13280 2017-06-06  Richard Biener  <rguenther@suse.de>
13281
13282         PR tree-optimization/80928
13283         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
13284         (vect_analyze_loop_operations): Properly guard analysis for
13285         pure SLP case.
13286         (vect_transform_loop): Likewise.
13287         (vect_analyze_loop_2): Also reset SLP type on PHIs.
13288         (vect_model_induction_cost): Do not cost for pure SLP.
13289         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
13290         of induction in inner loop vectorization.
13291         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
13292         (vect_get_and_check_slp_defs): Handle vect_induction_def.
13293         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
13294         recursion.
13295         (vect_analyze_slp_cost_1): Cost induction.
13296         (vect_detect_hybrid_slp_stmts): Handle PHIs.
13297         (vect_get_slp_vect_defs): Likewise.
13298         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
13299         (vect_transform_stmt): Handle SLP reductions.
13300         * tree-vectorizer.h (vectorizable_induction): Adjust.
13301
13302 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13303
13304         * config/rs6000/rs6000.c (make_resolver_func): Update
13305         init_lowered_empty_function call.
13306
13307 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13308
13309         * doc/invoke.texi: Document the -fprofile-abs-path option.
13310         * common.opt (fprofile-abs-path): New option.
13311         * gcov-io.h (gcov_write_filename): Declare.
13312         * gcov-io.c (gcov_write_filename): New function.
13313         * coverage.c (coverage_begin_function): Use gcov_write_filename.
13314         * profile.c (output_location): Likewise.
13315
13316 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13317
13318         * shring-wrap.c: Revert accidental commit.
13319
13320 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
13321
13322         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
13323
13324 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13325
13326         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
13327         new edge.
13328         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
13329         profile in callgraph edge.
13330         * profile-count.h (apply_probability): If THIS is 0, then result is 0
13331         (apply_scale): Likewise.
13332         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
13333         Also scale profile when inlining function with zero profile.
13334         (initialize_cfun): Update exit block profile even when it is zero.
13335         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
13336         when profile is read.
13337
13338 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13339
13340         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
13341         (CLONE_*): New constants to define the processors we can generate
13342         code for with the target_clone attribute.
13343         (rs6000_clone_map): New array to identify which clone processors
13344         the current program is running on.
13345         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
13346         target_clone attribute.
13347         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
13348         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
13349         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
13350         (cpu_expand_builtin): Add support for target_clone attribute.
13351         (rs6000_valid_attribute_p): Allow "default" attribute.
13352         (get_decl_name): New debug function to simplify printing the
13353         current function name in debugging statements.
13354         (rs6000_clone_priority): New functions to support the target_clone
13355         attribute, and be able to generate code to switch between ISA 2.05
13356         through ISA 3.0 (power6 through power9).
13357         (rs6000_compare_version_priority): Likewise.
13358         (rs6000_get_function_versions_dispatcher): Likewise.
13359         (make_resolver_func): Likewise.
13360         (add_condition_to_bb): Likewise.
13361         (dispatch_function_versions): Likewise.
13362         (rs6000_generate_version_dispatcher_body): Likewise.
13363         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
13364         (fusion_gpr_load_p): Fix a spacing issue.
13365         * doc/extend.texi (Common Function Attributes): Document that the
13366         PowerPC supports the target_clone attribute.
13367
13368 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13369
13370         * config/arm/arm.h: explain F symbol found in description of ARM
13371         register allocation in its legend.
13372
13373 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13374
13375         * config/mips/frame-header-opt.c: Include profile-count.h.
13376         * config/riscv/riscv.c: Include profile-count.h
13377
13378 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13379
13380         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
13381         update profile.
13382         (sm_set_flag_if_changed): Add bbs field.
13383         (execute_sm_if_changed_flag_set): Pass BBS.
13384         (execute_sm): Update.
13385
13386 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13387
13388         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
13389         New pattern.
13390
13391 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13392
13393         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
13394         (peephole2): New peephole2 to emit the above.
13395         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
13396
13397 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13398
13399         * config/aarch64/aarch64.c (define_peephole2 above
13400         *sub_<shift>_<mode>): New peephole.
13401
13402 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13403
13404         * config/i386/i386.c (make_resolver_func): Update.
13405         * Makefile.in: Add profile-count.h and profile-count.o
13406         * auto-profile.c (afdo_indirect_call): Update to new API.
13407         (afdo_set_bb_count): Update.
13408         (afdo_propagate_edge): Update.
13409         (afdo_propagate_circuit): Update.
13410         (afdo_calculate_branch_prob): Update.
13411         (afdo_annotate_cfg): Update.
13412         * basic-block.h: Include profile-count.h
13413         (struct edge_def): Turn count to profile_count.
13414         (struct basic_block_def): Likewie.
13415         (REG_BR_PROB_BASE): Move to profile-count.h
13416         (RDIV): Move to profile-count.h
13417         * bb-reorder.c (max_entry_count): Turn to profile_count.
13418         (find_traces): Update.
13419         (rotate_loop):Update.
13420         (connect_traces):Update.
13421         (sanitize_hot_paths):Update.
13422         * bt-load.c (migrate_btr_defs): Update.
13423         * cfg.c (RDIV): Remove.
13424         (init_flow): Use alloc_block.
13425         (alloc_block): Uninitialize count.
13426         (unchecked_make_edge): Uninitialize count.
13427         (check_bb_profile): Update.
13428         (dump_edge_info): Update.
13429         (dump_bb_info): Update.
13430         (update_bb_profile_for_threading): Update.
13431         (scale_bbs_frequencies_int): Update.
13432         (scale_bbs_frequencies_gcov_type): Update.
13433         (scale_bbs_frequencies_profile_count): New.
13434         * cfg.h (update_bb_profile_for_threading): Update.
13435         (scale_bbs_frequencies_profile_count): Declare.
13436         * cfgbuild.c (compute_outgoing_frequencies): Update.
13437         (find_many_sub_basic_blocks): Update.
13438         * cfgcleanup.c (try_forward_edges): Update.
13439         (try_crossjump_to_edge): Update.
13440         * cfgexpand.c (expand_gimple_tailcall): Update.
13441         (construct_exit_block): Update.
13442         * cfghooks.c (verify_flow_info): Update.
13443         (dump_bb_for_graph): Update.
13444         (split_edge): Update.
13445         (make_forwarder_block): Update.
13446         (duplicate_block): Update.
13447         (account_profile_record): Update.
13448         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
13449         (get_estimated_loop_iterations): Update.
13450         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
13451         (single_likely_exit): Update.
13452         * cfgloopmanip.c (scale_loop_profile): Update.
13453         (loopify): Update.
13454         (set_zero_probability): Update.
13455         (lv_adjust_loop_entry_edge): Update.
13456         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
13457         (purge_dead_edges): Update.
13458         (rtl_account_profile_record): Update.
13459         * cgraph.c (cgraph_node::create): Uninitialize count.
13460         (symbol_table::create_edge): Uninitialize count.
13461         (cgraph_update_edges_for_call_stmt_node): Update.
13462         (cgraph_edge::dump_edge_flags): Update.
13463         (cgraph_node::dump): Update.
13464         (cgraph_edge::maybe_hot_p): Update.
13465         * cgraph.h: Include profile-count.h
13466         (create_clone), create_edge, create_indirect_edge): Update.
13467         (cgraph_node): Turn count to profile_count.
13468         (cgraph_edge0: Likewise.
13469         (make_speculative, clone): Update.
13470         (create_edge): Update.
13471         (init_lowered_empty_function): Update.
13472         * cgraphclones.c (cgraph_edge::clone): Update.
13473         (duplicate_thunk_for_node): Update.
13474         (cgraph_node::create_clone): Update.
13475         * cgraphunit.c (cgraph_node::analyze): Update.
13476         (cgraph_node::expand_thunk): Update.
13477         * final.c (dump_basic_block_info): Update.
13478         * gimple-streamer-in.c (input_bb): Update.
13479         * gimple-streamer-out.c (output_bb): Update.
13480         * graphite.c (print_global_statistics): Update.
13481         (print_graphite_scop_statistics): Update.
13482         * hsa-brig.c: Include basic-block.h.
13483         * hsa-dump.c: Include basic-block.h.
13484         * hsa-gen.c (T sum_slice): Update.
13485         (convert_switch_statements):Update.
13486         * hsa-regalloc.c: Include basic-block.h.
13487         * ipa-chkp.c (chkp_produce_thunks): Update.
13488         * ipa-cp.c (struct caller_statistics): Update.
13489         (init_caller_stats): Update.
13490         (gather_caller_stats): Update.
13491         (ipcp_cloning_candidate_p): Update.
13492         (good_cloning_opportunity_p): Update.
13493         (get_info_about_necessary_edges): Update.
13494         (dump_profile_updates): Update.
13495         (update_profiling_info): Update.
13496         (update_specialized_profile): Update.
13497         (perhaps_add_new_callers): Update.
13498         (decide_about_value): Update.
13499         (ipa_cp_c_finalize): Update.
13500         * ipa-devirt.c (struct odr_type_warn_count): Update.
13501         (struct decl_warn_count): Update.
13502         (struct final_warning_record): Update.
13503         (possible_polymorphic_call_targets): Update.
13504         (ipa_devirt): Update.
13505         * ipa-fnsummary.c (redirect_to_unreachable): Update.
13506         * ipa-icf.c (sem_function::merge): Update.
13507         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
13508         * ipa-inline.c (compute_uninlined_call_time): Update.
13509         (compute_inlined_call_time): Update.
13510         (want_inline_small_function_p): Update.
13511         (want_inline_self_recursive_call_p): Update.
13512         (edge_badness): Update.
13513         (lookup_recursive_calls): Update.
13514         (recursive_inlining): Update.
13515         (inline_small_functions): Update.
13516         (dump_overall_stats): Update.
13517         (dump_inline_stats): Update.
13518         * ipa-profile.c (ipa_profile_generate_summary): Update.
13519         (ipa_propagate_frequency): Update.
13520         (ipa_profile): Update.
13521         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13522         * ipa-utils.c (ipa_merge_profiles): Update.
13523         * loop-doloop.c (doloop_modify): Update.
13524         * loop-unroll.c (report_unroll): Update.
13525         (unroll_loop_runtime_iterations): Update.
13526         * lto-cgraph.c (lto_output_edge): Update.
13527         (lto_output_node): Update.
13528         (input_node): Update.
13529         (input_edge): Update.
13530         (merge_profile_summaries): Update.
13531         * lto-streamer-in.c (input_cfg): Update.
13532         * lto-streamer-out.c (output_cfg): Update.
13533         * mcf.c (create_fixup_graph): Update.
13534         (adjust_cfg_counts): Update.
13535         (sum_edge_counts): Update.
13536         * modulo-sched.c (sms_schedule): Update.
13537         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
13538         * predict.c (maybe_hot_count_p): Update.
13539         (probably_never_executed): Update.
13540         (dump_prediction): Update.
13541         (combine_predictions_for_bb): Update.
13542         (propagate_freq): Update.
13543         (handle_missing_profiles): Update.
13544         (counts_to_freqs): Update.
13545         (rebuild_frequencies): Update.
13546         (force_edge_cold): Update.
13547         * predict.h: Include profile-count.h
13548         (maybe_hot_count_p, counts_to_freqs): UPdate.
13549         * print-rtl-function.c: Do not include cfg.h
13550         * print-rtl.c: Include basic-block.h
13551         * profile-count.c: New file.
13552         * profile-count.h: New file.
13553         * profile.c (is_edge_inconsistent): Update.
13554         (correct_negative_edge_counts): Update.
13555         (is_inconsistent): Update.
13556         (set_bb_counts): Update.
13557         (read_profile_edge_counts): Update.
13558         (compute_frequency_overlap): Update.
13559         (compute_branch_probabilities): Update; Initialize and deinitialize
13560         gcov_count tables.
13561         (branch_prob): Update.
13562         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
13563         (edge_gcov_count): New.
13564         (bb_gcov_count): New.
13565         * shrink-wrap.c (try_shrink_wrapping): Update.
13566         * tracer.c (better_p): Update.
13567         * trans-mem.c (expand_transaction): Update.
13568         (ipa_tm_insert_irr_call): Update.
13569         (ipa_tm_insert_gettmclone_call): Update.
13570         * tree-call-cdce.c: Update.
13571         * tree-cfg.c (gimple_duplicate_sese_region): Update.
13572         (gimple_duplicate_sese_tail): Update.
13573         (gimple_account_profile_record): Update.
13574         (execute_fixup_cfg): Update.
13575         * tree-inline.c (copy_bb): Update.
13576         (copy_edges_for_bb): Update.
13577         (initialize_cfun): Update.
13578         (freqs_to_counts): Update.
13579         (copy_cfg_body): Update.
13580         (expand_call_inline): Update.
13581         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
13582         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
13583         (try_unroll_loop_completely): Update.
13584         (try_peel_loop): Update.
13585         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
13586         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
13587         * tree-ssa-loop-split.c (connect_loops): Update.
13588         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
13589         * tree-ssa-reassoc.c (branch_fixup): Update.
13590         * tree-ssa-tail-merge.c (replace_block_by): Update.
13591         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
13592         (compute_path_counts): Update.
13593         (update_profile): Update.
13594         (recompute_probabilities): Update.
13595         (update_joiner_offpath_counts): Update.
13596         (estimated_freqs_path): Update.
13597         (freqs_to_counts_path): Update.
13598         (clear_counts_path): Update.
13599         (ssa_fix_duplicate_block_edges): Update.
13600         (duplicate_thread_path): Update.
13601         * tree-switch-conversion.c (case_bit_test_cmp): Update.
13602         (struct switch_conv_info): Update.
13603         * tree-tailcall.c (decrease_profile): Update.
13604         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
13605         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
13606         * value-prof.c (check_counter): Update.
13607         (gimple_divmod_fixed_value): Update.
13608         (gimple_mod_pow2): Update.
13609         (gimple_mod_subtract): Update.
13610         (gimple_ic_transform): Update.
13611         (gimple_stringop_fixed_value): Update.
13612         * value-prof.h (gimple_ic): Update.
13613
13614 2017-06-02  Carl Love  <cel@us.ibm.com>
13615
13616         * config/rs6000/rs6000-c: Add support for built-in functions
13617         vector double vec_doublee (vector signed int);
13618         vector double vec_doublee (vector unsigned int);
13619         vector double vec_doublee (vector float);
13620         vector double vec_doubleh (vector signed int);
13621         vector double vec_doubleh (vector unsigned int);
13622         vector double vec_doubleh (vector float);
13623         vector double vec_doublel (vector signed int);
13624         vector double vec_doublel (vector unsigned int);
13625         vector double vec_doublel (vector float);
13626         vector double vec_doubleo (vector signed int);
13627         vector double vec_doubleo (vector unsigned int);
13628         vector double vec_doubleo (vector float);.
13629         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
13630         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
13631         UNS_DOUBLEL.
13632         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
13633         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
13634         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
13635         VS_sxwsp.
13636         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
13637         vec_doublel, vec_doubleh.
13638         * doc/extend.texi: Update the built-in documentation file for the
13639         new built-in functions.
13640
13641 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
13642
13643         PR jit/80954
13644         * ipa-inline-analysis.c (free_growth_caches): Set
13645         edge_removal_hook_holder to NULL after removing it.
13646
13647 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
13648
13649         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
13650         comparision with zero.
13651
13652 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13653         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13654         for early expansion of vec_min and vec_max builtins.
13655         (builtin_function_type): Add min/max unsigned variants to those
13656         identified as having unsigned arguments.
13657
13658 2017-06-02  Olivier Hainque  <hainque@adacore.com>
13659
13660         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
13661
13662 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13663
13664         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
13665         Use VALL_F16 iterator rather than VALL.
13666
13667 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13668
13669         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
13670         Emit CBNZ inside loop when doing a strong exchange and comparing
13671         against zero.  Generate the CC flags after the loop.
13672
13673 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
13674
13675         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
13676         (dl_section_ref): New.
13677         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
13678         On AIX, append an expression to subtract the size of the
13679         section length to dl_section_ref.
13680
13681 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13682
13683         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13684         for early expansion of vector absolute builtins.
13685
13686 2017-06-02  Richard Biener  <rguenther@suse.de>
13687
13688         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
13689         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
13690
13691 2017-06-02  Richard Biener  <rguenther@suse.de>
13692
13693         PR tree-optimization/80948
13694         * tree-tailcall.c (find_tail_calls): Track stmts to move in
13695         stmt order as well.
13696
13697 2017-06-02  Richard Biener  <rguenther@suse.de>
13698
13699         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
13700         PHIs are ok.
13701         * tree-vect-stmts.c (process_use): Do not mark backedge defs
13702         for inductions as relevant.
13703
13704 2017-06-02  Richard Biener  <rguenther@suse.de>
13705
13706         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
13707         (vectorizable_induction): ... this.  Remove dead code.
13708
13709 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
13710
13711         * builtins. (expand_builtin_alloca): Remove second parameter and
13712         infer its value from the first parameter instead.
13713         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
13714
13715 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
13716
13717         PR rtl-optimization/80903
13718         * loop-doloop.c (add_test): Unshare sequence.
13719
13720 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13721
13722         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
13723
13724 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13725
13726         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
13727         static.
13728         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
13729         xlogue_layout::get_instance, logue_layout::xlogue_layout,
13730         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
13731         (xlogue_layout::get_stub_rtx): Make static.
13732         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
13733         (xlogue_layout::compute_stub_managed_regs): Rename to...
13734         (xlogue_layout::count_stub_managed_regs): ...this.
13735         (xlogue_layout::is_stub_managed_reg): New function.
13736         (xlogue_layout::m_stub_names): Rename to...
13737         (xlogue_layout::s_stub_names): ...this, make static.
13738         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
13739         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
13740         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
13741         xlogue_layout::s_stub_names): Instantiate statics.
13742         (stub_managed_regs): Remove.
13743         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
13744         (disable_call_ms2sysv_xlogues): Rename to...
13745         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
13746         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
13747         warning logic.
13748         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
13749         change after reload_completed.
13750         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
13751         directly.
13752         (ix86_expand_prologue): Likewise.
13753         (ix86_expand_epilogue): Likewise.
13754         (ix86_expand_split_stack_prologue): Likewise.
13755         (ix86_compute_frame_layout): Remove frame parameter ...
13756         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
13757         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
13758         only if necessary.
13759         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
13760         (ix86_frame): Move from here ...
13761         * config/i386/i386.h (ix86_frame): ... to here.
13762         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
13763         complete ix86_frame data structure instead.  Remove some_ld_name.
13764
13765 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13766
13767         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
13768         symbols that hold a DECL_VALUE_EXPR.
13769
13770 2017-06-01  Martin Jambor  <mjambor@suse.cz>
13771
13772         PR tree-optimization/80898
13773         * tree-sra.c (process_subtree_disqualification): Removed.
13774         (disqualify_candidate): Do not acll
13775         process_subtree_disqualification.
13776         (subtree_mark_written_and_enqueue): New function.
13777         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
13778         RHS has been disqualified and re-queue LHS if necessary.  Apart
13779         from that, ignore disqualified RHS.
13780
13781 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13782
13783         * config/s390/s390.c (s390_emit_epilogue): Disable early return
13784         address fetch for z10 or later.
13785
13786 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13787
13788         * config/arc/arc.md (tst_movb): Add guard when splitting.
13789
13790 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13791
13792         * config/arc/arc.c (arc_can_eliminate): Test against
13793         arc_frame_pointer_needed.
13794
13795 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13796
13797         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
13798         to prevent store reordering.
13799         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
13800         (type): Add block type.
13801         (stack_tie): Define special instruction to be used in
13802         expand_prologue.
13803
13804 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13805
13806         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
13807         constraint. It is not valid for the pattern.
13808         (noncommutative_binary_comparison): Likewise.
13809
13810 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13811
13812         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
13813         scaled addresses.
13814
13815 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13816
13817         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
13818         be used by the reg-alloc.
13819
13820 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13821
13822         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
13823         reg-alloc when having mul64 or mul32x16 instructions.
13824         (mulsidi3): Likewise.
13825         (umulsidi3): Likewise.
13826         (mulsi32x16): New pattern.
13827         (mulsi64): Likewise.
13828         (mulsidi64): Likewise.
13829         (umulsidi64): Likewise.
13830         (MUL32x16_REG): Define.
13831         (mul64_600): Use MUL32x16_REG.
13832         (mac64_600): Likewise.
13833         (umul64_600): Likewise.
13834         (umac64_600): Likewise.
13835
13836 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13837
13838         * config/arc/arc.md (mulsi3_700): Make it commutative.
13839
13840 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
13841
13842         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
13843         type for movstouw.
13844         (*sign_extendsidi2_insn): Likewise for movstosw.
13845
13846 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13847
13848         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
13849         the type of the input discriminant value.  Convert the
13850         discriminant value of signedness vary.
13851
13852 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
13853
13854         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
13855         Add to -Wall section.
13856
13857 2017-06-01  Richard Biener  <rguenther@suse.de>
13858
13859         PR middle-end/66313
13860         * fold-const.c (fold_plusminus_mult_expr): If the factored
13861         factor may be zero use a wrapping type for the inner operation.
13862         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
13863         and handle moved defs.
13864         (process_assignment): Properly guard the unary op case.  Return a
13865         tri-state indicating that moving the stmt before the call may allow
13866         to continue.  Pass through to_move.
13867         (find_tail_calls): Handle moving unrelated defs before
13868         the call.
13869
13870 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
13871
13872         PR target/80618
13873         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
13874         splitter result in the canonical way.
13875
13876 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
13877
13878         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
13879         also for 32bit target.  Update insn attributes.
13880         (zero-extendsidi2 splitter): Allow all registers for operand 1.
13881
13882 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
13883
13884         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
13885         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
13886         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
13887         (_mm_maskz_min_ss): New intrinsics.
13888
13889 2017-05-31  Martin Liska  <mliska@suse.cz>
13890
13891         * tree-vect-loop.c (vect_create_epilog_for_reduction):
13892         Change comment style to one we normally use.
13893         (vectorizable_reduction): Likewise.
13894         (vectorizable_induction): Likewise.
13895         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
13896         (vectorizable_call): Likewise.
13897         (vectorizable_simd_clone_call): Likewise.
13898         (vectorizable_conversion): Likewise.
13899         (vectorizable_assignment): Likewise.
13900         (vectorizable_shift): Likewise.
13901         (vectorizable_operation): Likewise.
13902         (vectorizable_store): Likewise.
13903         (vectorizable_load): Likewise.
13904         * tree-vectorizer.h: Likewise.
13905
13906 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
13907
13908         * passes.c (emergency_dump_function): New.
13909         * tree-pass.h (emergency_dump_function): Declare.
13910         * plugin.c (plugins_internal_error_function): Remove.
13911         * plugin.h (plugins_internal_error_function): Remove declaration.
13912         * toplev.c (internal_error_function): New static function.  Use it...
13913         (general_init): ...here.
13914
13915 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
13916
13917         * config/arc/arc.c (arc_print_operand): Handle constant operands.
13918         (arc_rtx_costs): Add costs for new patterns.
13919         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
13920         * config/arc/predicates.md: Add _1_2_3_operand predicate.
13921
13922 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13923
13924         * tree-ssa-strlen.c (get_next_strinfo): New function.
13925         (get_stridx_plus_constant): Use it.
13926         (zero_length_string): Likewise.
13927         (adjust_related_strinfos): Likewise.
13928         (adjust_last_stmt): Likewise.
13929
13930 2017-05-31  Richard Biener  <rguenther@suse.de>
13931
13932         PR target/80880
13933         * config/i386/i386.c (ix86_expand_builtin): Remove assert
13934         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
13935
13936 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13937
13938         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
13939         loop_vinfo argument and use of dependence distance vectors.
13940         Check instead whether the two references differ only in their
13941         initial value and assume that they have the same alignment if the
13942         difference is a multiple of the vector alignment.
13943         (vect_analyze_data_refs_alignment): Update call accordingly.
13944
13945 2017-05-31  Martin Liska  <mliska@suse.cz>
13946
13947         PR target/79155
13948         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
13949
13950 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13951
13952         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
13953         (create_intersect_range_checks): Move from ...
13954         * tree-data-ref.c (create_intersect_range_checks_index)
13955         (create_intersect_range_checks): ... to here.
13956         (create_runtime_alias_checks): New function factored from ...
13957         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
13958         here.  Call above function.
13959         * tree-data-ref.h (create_runtime_alias_checks): New function.
13960
13961 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13962
13963         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
13964         segment length for dr_b and compute it in wide_int.
13965
13966 2017-05-31  Richard Biener  <rguenther@suse.de>
13967
13968         PR tree-optimization/80906
13969         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
13970         and pass through iv_map.
13971         (copy_bb_and_scalar_dependences): Adjust.
13972         (translate_pending_phi_nodes): Likewise.
13973         (copy_loop_close_phi_args): Handle code-generating IVs instead
13974         of ICEing.
13975
13976 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
13977
13978         * diagnostic-color.c (color_dict): Add "type-diff".
13979         (parse_gcc_colors): Update comment.
13980         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
13981         -fdiagnostics-show-template-tree and -fno-elide-type.
13982         (GCC_COLORS): Add type-diff to example.
13983         (type-diff=): New.
13984         (-fdiagnostics-show-template-tree): New.
13985         (-fno-elide-type): New.
13986         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
13987         the pp_format_decoder callback.  Call any m_format_postprocessor's
13988         "handle" method.
13989         (pretty_printer::pretty_printer): Initialize
13990         m_format_postprocessor.
13991         (pretty_printer::~pretty_printer): Delete any
13992         m_format_postprocessor.
13993         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
13994         (class format_postprocessor): New class.
13995         (struct pretty_printer::format_decoder): Document the new parameters.
13996         (struct pretty_printer::m_format_postprocessor): New field.
13997         * tree-diagnostic.c (default_tree_printer): Update for new
13998         bool and const char ** params.
13999         * tree-diagnostic.h (default_tree_printer): Likewise.
14000
14001 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
14002
14003         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
14004         (lwa_operand): Delete rs6000_gen_cell_microcode test.
14005         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
14006         rs6000_gen_cell_microcode code.
14007         (rs6000_final_prescan_insn): Delete.
14008         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
14009         "warn-cell-microcode" entries.
14010         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
14011         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
14012         throughout.  Change cc_reg_not_micro_cr0_operand to
14013         cc_reg_not_cr0_operand throughout.
14014         (*extendhi<mode>2_noload): Delete.
14015         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
14016         (mwarn-cell-microcode): Delete.
14017         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
14018         -mgen-cell-microcode and -mwarn-cell-microcode.
14019
14020 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
14021
14022         PR target/80833
14023         * config/i386/constraints.md (Yd): New constraint.
14024         (Ye): Ditto.
14025         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
14026         and (?Yd, r) alternatives.  Update insn attributes.
14027         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
14028         and (?*Yd, r) alternatives.  Update insn attributes.
14029         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
14030
14031 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
14032
14033         * gimplify.c (gimplify_modify_expr): Don't create a
14034         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
14035         function.
14036
14037 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
14038
14039         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
14040
14041 2017-05-30  Richard Biener  <rguenther@suse.de>
14042
14043         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
14044         and reduc_def fields.
14045         (STMT_VINFO_REDUC_TYPE): New define.
14046         (STMT_VINFO_REDUC_DEF): Likewise.
14047         (vect_force_simple_reduction): Adjust prototype.
14048         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
14049         (vect_is_simple_reduction): Remove check_reduction argument.
14050         (vect_force_simple_reduction): Adjust and set
14051         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14052         (vectorizable_reduction): Do not re-do reduction analysis
14053         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14054         * tree-parloops.c (gather_scalar_reductions): Adjust.
14055
14056 2017-05-30  Richard Biener  <rguenther@suse.de>
14057
14058         PR middle-end/80901
14059         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
14060         split_edge code.
14061
14062 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14063
14064         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
14065         Introduce unknown_misalignment parameter and remove vf.
14066         (vect_peeling_hash_get_lowest_cost):
14067         Pass unknown_misalignment parameter.
14068         (vect_enhance_data_refs_alignment):
14069         Fix unsupportable data ref treatment.
14070
14071 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14072
14073         * tree-vect-data-refs.c (vect_get_data_access_cost):
14074         Workaround for SLP handling.
14075         (vect_enhance_data_refs_alignment):
14076         Compute costs for doing no peeling at all, compare to the best
14077         peeling costs so far and avoid peeling if cheaper.
14078
14079 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14080
14081         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
14082         Return peeling info and set costs to zero for unlimited cost
14083         model.
14084         (vect_enhance_data_refs_alignment): Also inspect all datarefs
14085         with unknown misalignment. Compute and costs for unknown
14086         misalignment, compare them to the costs for known misalignment
14087         and choose the cheapest for peeling.
14088
14089 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14090
14091         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
14092         (vect_get_peeling_costs_all_drs): Create function.
14093         (vect_peeling_hash_get_lowest_cost):
14094         Use vect_get_peeling_costs_all_drs.
14095         (vect_peeling_supportable): Create function.
14096         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
14097
14098 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14099
14100         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
14101         DR_HAS_NEGATIVE_STEP.
14102         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
14103         (vect_enhance_data_refs_alignment): Use.
14104         (vect_duplicate_ssa_name_ptr_info): Use.
14105         * tree-vectorizer.h (dr_misalignment): Use.
14106         (known_alignment_for_access_p): Use.
14107
14108 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
14109
14110         PR target/78838
14111         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
14112         .lowtext.
14113         (has_section_name): New function.
14114
14115 2017-05-30  Martin Liska  <mliska@suse.cz>
14116
14117         PR other/80909
14118         * auto-profile.c (get_function_decl_from_block): Fix
14119         parenthesis.
14120
14121 2017-05-30  Richard Biener  <rguenther@suse.de>
14122
14123         PR middle-end/80876
14124         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
14125
14126 2017-05-30  Martin Liska  <mliska@suse.cz>
14127
14128         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
14129         * dumpfile.h (struct dump_file_info): Remove ctors.
14130
14131 2017-05-30  Martin Liska  <mliska@suse.cz>
14132
14133         * predict.def: Fix GNU coding style.
14134
14135 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14136
14137         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
14138         Mark 'to' argument with ATTRIBUTE_UNUSED.
14139
14140 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14141
14142         * config/xtensa/xtensa.c (xtensa_emit_call): Use
14143         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
14144         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
14145         format string.
14146
14147 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
14148
14149         * doc/install.texi (Options specification): Restore entry of
14150         --enable-sjlj-exceptions.
14151
14152 2017-05-27  Michael Eager  <eager@eagercon.com>
14153
14154         Revert:
14155         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14156
14157         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
14158
14159         * config/microblaze/microblaze.h
14160         (FIXED_REGISTERS): Update in macro.
14161         (CALL_USED_REGISTERS): Update in macro.
14162
14163 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
14164
14165         * doc/install.texi: Add links to macOS binary distributions.
14166
14167 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
14168
14169         PR bootstrap/80887
14170         Revert:
14171         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14172
14173         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14174
14175 2017-05-26  Martin Liska  <mliska@suse.cz>
14176
14177         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
14178
14179 2017-05-26  Martin Liska  <mliska@suse.cz>
14180
14181         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
14182         always leading ';; '.
14183         (dump_bb_info): Likewise.
14184         (brief_dump_cfg): Likewise.
14185         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
14186         * dumpfile.c: Remove usage of TDF_VERBOSE.
14187         * dumpfile.h (enum dump_kind): Likewise.
14188         (dump_gimple_bb_header): Do not use TDF_COMMENT.
14189         * print-tree.c (debug_verbose): Remove.
14190         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
14191         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
14192         * tree-diagnostic.c (default_tree_printer): Replace
14193         TDF_DIAGNOSTIC with TDF_SLIM.
14194
14195 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14196
14197         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
14198         in parameter loop, rather than loop_vinfo.
14199         (create_intersect_range_checks): Ditto.
14200         (vect_create_cond_for_alias_checks): Update call to above functions.
14201
14202 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14203
14204         PR tree-optimization/80815
14205         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
14206         for merging runtime alias checks.  Handle negative DR_STEPs.
14207
14208 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14209
14210         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
14211         Move from ...
14212         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
14213         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
14214         out code pruning runtime alias checks.
14215         * tree-data-ref.c (prune_runtime_alias_test_list): New function
14216         factored out from above.
14217         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14218         Move from ...
14219         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14220         ... to here.
14221         (prune_runtime_alias_test_list): New decalaration.
14222
14223 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14224
14225         * tree-vect-data-refs.c (compare_tree): Rename and move ...
14226         * tree-data-ref.c (data_ref_compare_tree): ... to here.
14227         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
14228         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
14229         (operator==, comp_dr_with_seg_len_pair): Ditto.
14230         (vect_prune_runtime_alias_test_list): Ditto.
14231
14232 2017-05-26  Martin Liska  <mliska@suse.cz>
14233
14234         PR ipa/80663
14235         * params.def: Bound partial-inlining-entry-probability param.
14236
14237 2017-05-26  Marek Polacek  <polacek@redhat.com>
14238
14239         PR sanitizer/80875
14240         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
14241         can be negated.
14242
14243 2017-05-26  Richard Biener  <rguenther@suse.de>
14244
14245         PR tree-optimization/80842
14246         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
14247         value.
14248
14249 2017-05-26  Richard Biener  <rguenther@suse.de>
14250
14251         PR tree-optimization/80844
14252         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
14253
14254 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
14255
14256         * doc/md.texi (Machine Constraints): Update x86 family
14257         machine constraints section to match 'config/i386/constraints.md'.
14258
14259 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
14260
14261         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
14262
14263 2017-05-25  Nathan Sidwell  <nathan@acm.org>
14264
14265         * doc/invoke.texi (--enable-languages): Update documentation.
14266
14267 2017-05-25  Martin Liska  <mliska@suse.cz>
14268
14269         * dumpfile.c: Add TDF_FOLDING.
14270         * dumpfile.h (enum dump_kind): Likewise.
14271         * genmatch.c (dt_simplify::gen_1): Use it.
14272
14273 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14274
14275         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
14276
14277 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14278
14279         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14280         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
14281
14282 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14283
14284         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
14285         * match.pd (X == C): Rewrite it here.
14286         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
14287         with_certain_nonzero_bits2): New predicates.
14288         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
14289
14290 2017-05-24  Nathan Sidwell  <nathan@acm.org>
14291
14292         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
14293         avoid warning.
14294
14295         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
14296         warning.
14297
14298 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14299
14300         * config/powerpcspe: New port.  Files are copied from the rs6000
14301         port, with "rs6000" in filenames replaced by "powerpcspe".
14302
14303 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
14304
14305         PR rtl-optimization/80754
14306         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
14307
14308 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
14309
14310         * config/sparc/sparc.md (length): Return the correct value for -mflat
14311         sibcalls to match output_sibcall.
14312
14313 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14314
14315         PR bootstrap/80860
14316         PR bootstrap/80843
14317         * config/rs6000/rs6000.c (struct machine_function): Add new field
14318         n_components.
14319         (rs6000_get_separate_components): Init that field, use it.
14320         (rs6000_components_for_bb): Use the field.
14321
14322 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14323
14324         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
14325
14326 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
14327
14328         PR middle-end/80823
14329         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
14330
14331 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14332
14333         PR target/80725
14334         * config/s390/s390.c (s390_check_qrst_address): Check incoming
14335         address against address_operand predicate.
14336         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
14337
14338 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
14339
14340         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
14341         parameters passed indirectly.
14342
14343 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
14344
14345         * config/i386/i386.md (*movdi_internal): Remove SSE4
14346         alternative 18 (?r, *v).  Update insn attributes.
14347         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
14348         Update insn attributes.
14349         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
14350         Update insn attributes.
14351         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
14352         alternative 1 (r, v). Remove isa attribute.
14353         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
14354         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
14355         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
14356
14357 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14358
14359         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
14360         dg-line directive.
14361
14362 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14363
14364         * cgraphunit.c (symbol_table::process_new_functions): Update.
14365         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
14366         (inline_generate_summary): Rename to ...
14367         (ipa_fn_summary_generate): ... this one.
14368         (inline_read_summary): Rename to ...
14369         (ipa_fn_summary_read): ... this one.
14370         (inline_write_summary): Rename to ...
14371         (ipa_fn_summary_write): ... this one.
14372         (inline_free_summary): Rename to ...
14373         (ipa_free_fn_summary): ... this one.
14374         (pass_data_local_fn_summary, pass_local_fn_summary,
14375         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
14376         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
14377         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
14378         make_pass_ipa_fn_summary): New.
14379         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
14380         inline_write_summary, inline_free_summary): Remove.
14381         (ipa_free_fn_summary) : New.
14382         * ipa-inline.c (ipa_inline): Update.
14383         (pass_ipa_inline): Do not generate summaries.
14384         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
14385         Remove.
14386         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
14387         and add pass_ipa_fn_summary.
14388         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
14389         New.
14390         (make_pass_inline_parameters): Remove.
14391
14392 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
14393
14394         * omp-low.c (struct omp_context): Remove "default_kind" member.
14395         Adjust all users.
14396
14397         * omp-offload.c (execute_oacc_device_lower): Remove the
14398         parallelism dimensions function attributes for unparallelized
14399         OpenACC kernels constructs.
14400
14401 2017-05-23  Martin Liska  <mliska@suse.cz>
14402
14403         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
14404         functions.
14405         (cgraph_edge::make_speculative): Likewise.
14406         (cgraph_edge::resolve_speculation): Likewise.
14407         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
14408         (cgraph_node::dump): Likewise.
14409         * cgraph.h: Likewise.
14410         * cgraphunit.c (analyze_functions): Likewise.
14411         (symbol_table::compile): Likewise.
14412         * ipa-cp.c (print_all_lattices): Likewise.
14413         (determine_versionability): Likewise.
14414         (initialize_node_lattices): Likewise.
14415         (ipcp_verify_propagated_values): Likewise.
14416         (estimate_local_effects): Likewise.
14417         (update_profiling_info): Likewise.
14418         (create_specialized_node): Likewise.
14419         (perhaps_add_new_callers): Likewise.
14420         (decide_about_value): Likewise.
14421         (decide_whether_version_node): Likewise.
14422         (identify_dead_nodes): Likewise.
14423         (ipcp_store_bits_results): Likewise.
14424         * ipa-devirt.c (dump_targets): Likewise.
14425         (ipa_devirt): Likewise.
14426         * ipa-icf.c (sem_item::dump): Likewise.
14427         (sem_function::equals): Likewise.
14428         (sem_variable::equals): Likewise.
14429         (sem_item_optimizer::read_section): Likewise.
14430         (sem_item_optimizer::execute): Likewise.
14431         (congruence_class::dump): Likewise.
14432         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
14433         (dump_inline_summary): Likewise.
14434         (estimate_node_size_and_time): Likewise.
14435         (inline_analyze_function): Likewise.
14436         * ipa-inline-transform.c (inline_call): Likewise.
14437         * ipa-inline.c (report_inline_failed_reason): Likewise.
14438         (want_early_inline_function_p): Likewise.
14439         (edge_badness): Likewise.
14440         (update_edge_key): Likewise.
14441         (inline_small_functions): Likewise.
14442         * ipa-profile.c (ipa_profile): Likewise.
14443         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
14444         (ipa_make_edge_direct_to_target): Likewise.
14445         (remove_described_reference): Likewise.
14446         (ipa_impossible_devirt_target): Likewise.
14447         (propagate_controlled_uses): Likewise.
14448         (ipa_print_node_params): Likewise.
14449         (ipcp_transform_function): Likewise.
14450         * ipa-pure-const.c (pure_const_read_summary): Likewise.
14451         (propagate_pure_const): Likewise.
14452         * ipa-reference.c (generate_summary): Likewise.
14453         (read_write_all_from_decl): Likewise.
14454         (propagate): Likewise.
14455         (ipa_reference_read_optimization_summary): Likewise.
14456         * ipa-utils.c (ipa_merge_profiles): Likewise.
14457         * ipa.c (walk_polymorphic_call_targets): Likewise.
14458         (symbol_table::remove_unreachable_nodes): Likewise.
14459         (ipa_single_use): Likewise.
14460         * passes.c (execute_todo): Likewise.
14461         * predict.c (drop_profile): Likewise.
14462         * symtab.c (symtab_node::get_dump_name): New function.
14463         (symtab_node::dump_name): Likewise.
14464         (symtab_node::dump_asm_name): Likewise.
14465         (symtab_node::dump_references): Likewise.
14466         (symtab_node::dump_referring): Likewise.
14467         (symtab_node::dump_base): Likewise.
14468         (symtab_node::debug_symtab): Likewise.
14469         * tree-sra.c (convert_callers_for_node): Likewise.
14470         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
14471         * value-prof.c (init_node_map): Likewise.
14472
14473 2017-05-23  Martin Liska  <mliska@suse.cz>
14474
14475         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
14476         and symtab_node::debug_symtab to symbol_table::debug.
14477         * cgraphunit.c (analyze_functions): Use the renamed function.
14478         (symbol_table::compile): Likewise.
14479         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
14480         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
14481         * passes.c (execute_todo): Likewise.
14482         * symtab.c (symbol_table::dump): New function.
14483         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
14484
14485 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14486
14487         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
14488         that nonconst implies exec.
14489
14490 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14491
14492         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14493         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14494         (inline_edge_summary_vec): Turn into ...
14495         (ipa_call_summaries): ... this one.
14496         (redirect_to_unreachable, edge_set_predicate,
14497         evaluate_properties_for_edge, inline_summary_alloc,
14498         reset_ipa_call_summary, reset_inline_summary,
14499         inline_summary_t::duplicate): Update.
14500         (inline_edge_duplication_hook): Turn to ...
14501         (ipa_call_summary_t::duplicate): ... this one.
14502         (inline_edge_removal_hook): Turn to ...
14503         (ipa_call_summary_t::remove): ... this one.
14504         (dump_inline_edge_summary): Turn to ...
14505         (dump_ipa_call_summary): ... this one.
14506         (estimate_function_body_sizes): Update.
14507         (inline_update_callee_summaries): Update.
14508         (remap_edge_change_prob): Update.
14509         (remap_edge_summaries): Update.
14510         (inline_merge_summary): Update.
14511         (do_estimate_edge_time): Update.
14512         (inline_generate_summary): Update.
14513         (inline_read_section): Update.
14514         (inline_read_summary): Update.
14515         (inline_free_summary): Update.
14516         * ipa-inline.c (can_inline_edge_p): Update.
14517         (compute_inlined_call_time): Update.
14518         (want_inline_small_function_p): Update.
14519         (edge_badness): Update.
14520         (early_inliner): Update.
14521         * ipa-inline.h (inline_edge_summary): Turn to ...
14522         (ipa_call_summary): ... this one.
14523         (ipa_call_summary_t): New class.
14524         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14525         (ipa_call_summaries): New.
14526         (inline_edge_summary): Remove.
14527         (estimate_edge_growth): Update.
14528         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14529         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14530         * ipa-split.c (execute_split_functions): Update.
14531         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14532
14533 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14534
14535         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14536         attributes): Document rdrand effective target.
14537
14538 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14539
14540         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14541         attributes): Sort alphabetically.
14542
14543 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
14544
14545         * config/avr/genmultilib.awk: Use gsub instead of gensub.
14546
14547 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
14548
14549         PR target/80718
14550         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
14551         V2DF/V2DI splat into two separate patterns, one that handles
14552         registers, and the other that only handles memory.  Drop support
14553         for splatting from a GPR on ISA 2.07 and then splitting the
14554         splat into direct move and splat.
14555         (vsx_splat_<mode>_reg): Likewise.
14556         (vsx_splat_<mode>_mem): Likewise.
14557
14558 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
14559
14560         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
14561
14562 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
14563
14564         PR middle-end/80809
14565         * omp-low.c (finish_taskreg_remap): New function.
14566         (finish_taskreg_scan): If unit size of ctx->record_type
14567         is non-constant, unshare the size expression and replace
14568         decls in it with possible outer var refs.
14569
14570         PR middle-end/80809
14571         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
14572         GOVD_SHARED rather than GOVD_PRIVATE with it.
14573         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
14574         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
14575
14576         PR middle-end/80853
14577         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
14578         as last argument to build_outer_var_ref for pointer bases of array
14579         section reductions.
14580
14581 2017-05-19  Martin Sebor  <msebor@redhat.com>
14582
14583         * print-tree.c (print_node): Print DECL_READ_P flag.
14584
14585 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14586
14587         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
14588         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
14589         * cgraph.c: Likewise.
14590         * cgraphunit.c: Likewise.
14591         * gengtype.c: Likewise.
14592         * ipa-cp.c: Likewise.
14593         * ipa-devirt.c: Likewise.
14594         * ipa-icf.c: Likewise.
14595         * ipa-predicate.c: Likewise.
14596         * ipa-profile.c: Likewise.
14597         * ipa-prop.c: Likewise.
14598         * ipa-split.c: Likewise.
14599         * ipa.c: Likewise.
14600         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
14601         edge_predicate_pool, dump_inline_hints,
14602         inline_summary::account_size_time, redirect_to_unreachable,
14603         edge_set_predicate, set_hint_predicate,
14604         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
14605         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
14606         inline_summary_t::remove, remap_hint_predicate_after_duplication,
14607         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
14608         ipa_call_summary_t::remove, initialize_growth_caches,
14609         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
14610         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
14611         mark_modified, unmodified_parm_1, unmodified_parm,
14612         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
14613         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
14614         compute_bb_predicates, will_be_nonconstant_expr_predicate,
14615         will_be_nonconstant_predicate, record_modified_bb_info,
14616         get_minimal_bb, record_modified, param_change_prob,
14617         phi_result_unknown_predicate, predicate_for_phi_result,
14618         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
14619         estimate_function_body_sizes, compute_inline_parameters,
14620         compute_inline_parameters_for_curren, pass_data_inline_parameters,
14621         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
14622         inline_update_callee_summaries, remap_edge_change_prob,
14623         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
14624         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
14625         inline_analyze_function, inline_summary_t::insert,
14626         inline_generate_summary, read_ipa_call_summary, inline_read_section,
14627         inline_read_summary, write_ipa_call_summary, inline_write_summary,
14628         inline_free_summary): Move to ipa-fnsummary.h
14629         (predicate_t): Remove.
14630         * ipa-fnsummary.c: New file.
14631         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
14632         (enum inline_hints_vals, inline_hints, agg_position_info,
14633         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
14634         inline_summaries, ipa_call_summary, ipa_call_summary_t,
14635         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
14636         dump_inline_summary, dump_inline_hints, inline_generate_summary,
14637         inline_read_summary, inline_write_summary, inline_free_summary,
14638         inline_analyze_function, initialize_inline_failed,
14639         inline_merge_summary, inline_update_overall_summary,
14640         compute_inline_parameters): Move to ipa-fnsummary.h
14641         * ipa-fnsummary.h: New file.
14642         * ipa-inline-transform.h: Include ipa-inline.h.
14643         * ipa-inline.c: LIkewise.
14644
14645 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14646
14647         * ipa-inline.c (edge_badness): Use inlined_time instead of
14648         inline_summaries->get.
14649
14650 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14651
14652         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
14653
14654 2017-05-22  Nathan Sidwell  <nathan@acm.org>
14655
14656         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
14657         (fdump-lang): Document 'raw' option.
14658         * dumpfile.h (TDI_tu): Delete.
14659         * dumpfile.c (dump_files): Remove translation-unit.
14660         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
14661
14662 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
14663
14664         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
14665         command option from $(AWK) call.
14666         * config/avr/genmultilib.awk: Simplify and rewrite so that it
14667         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
14668         [FORMAT]: Remove handling of variable.
14669         * config/avr/t-multilib: Regenerate.
14670
14671 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14672
14673         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
14674         self_time.
14675         (dump_inline_summary): Do not print self_time.
14676         (estimate_function_body_sizes): Do not set self_time.
14677         (compute_inline_parameters): Likewise.
14678         (inline_read_section, inline_write_summary): Do not stream self_time.
14679         * ipa-inline.h (inline_summary): Drop self_time.
14680
14681 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14682
14683         * ipa-inline-analysis.c (account_size_time): Rename to ...
14684         (inline_summary::account_size_time): ... this one.
14685         (reset_ipa_call_summary): Turn to ...
14686         (ipa_call_summary::reset): ... this one.
14687         (reset_inline_summary): Turn to ...
14688         (inline_summary::reset): ... this one.
14689         (inline_summary_t::remove): Update.
14690         (inline_summary_t::duplicate): Update.
14691         (ipa_call_summary_t::remove): Update.
14692         (dump_inline_summary): Update.
14693         (estimate_function_body_sizes): Update.
14694         (compute_inline_parameters): Update.
14695         (estimate_node_size_and_time): Update.
14696         (inline_merge_summary): Update.
14697         (inline_update_overall_summary): Update.
14698         (inline_read_section): Update.
14699         (inline_write_summary): Update.
14700         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
14701         add account_size_time and reset member functions.
14702         (ipa_call_summary): Add reset function.
14703         * ipa-predicate.h (predicate::operator &): Constify.
14704
14705 2017-05-22  Richard Biener  <rguenther@suse.de>
14706
14707         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
14708
14709 2017-05-19  Jason Merrill  <jason@redhat.com>
14710
14711         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
14712
14713 2017-05-19  Marek Polacek  <polacek@redhat.com>
14714
14715         PR sanitizer/80800
14716         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
14717         TYPE_OVERFLOW_WRAPS checks.
14718
14719 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
14720
14721         * tree-core.h (enum omp_clause_default_kind): Add
14722         "OMP_CLAUSE_DEFAULT_PRESENT".
14723         * tree-pretty-print.c (dump_omp_clause): Handle it.
14724         * gimplify.c (enum gimplify_omp_var_data): Add
14725         "GOVD_MAP_FORCE_PRESENT".
14726         (gimplify_adjust_omp_clauses_1): Map it to
14727         "GOMP_MAP_FORCE_PRESENT".
14728         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
14729
14730         * gimplify.c (oacc_default_clause): Clarify.
14731
14732 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14733
14734         LANG_HOOK_REGISTER_DUMPS
14735         * toplev.c (general_init): Call register dump lang hook.
14736         * doc/invoke.texi: Document -fdump-lang option family.
14737         * dumpfile.c (dump_files): Remove class dump here.
14738         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
14739         * dumpfile.h (tree_dump_index): Remove TDI_class.
14740         * langhooks-def.h (lhd_register_dumps): Declare.
14741         (LANG_HOOKS_REGISTER_DUMPS): Define.
14742         (LANG_HOOKS_INITIALIZER): Add it.
14743         * langhooks.c (lhd_register_dumps): Define.
14744         * langhooks.h (struct lang_hooks): Add register_dumps.
14745
14746 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14747
14748         * context.h (context::set_passes): New.
14749         * context.c (context::context): Do not create pass manager.
14750         * toplev.c (general_init): Create pass manager here.
14751
14752 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
14753
14754         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
14755         use this splitter if two add or or instructions would also work for
14756         the constant we want to generate.
14757
14758 2017-05-19  Richard Biener  <rguenther@suse.de>
14759
14760         PR build/80821
14761         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
14762         predicate evaluation.
14763
14764 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14765
14766         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
14767         add ctor.
14768         * ipa-inline.c (want_inline_small_function_p): Do not cast to
14769         unsigned.
14770
14771 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14772
14773         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14774         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14775         (inline_edge_summary_vec): Turn into ...
14776         (ipa_call_summaries): ... this one.
14777         (redirect_to_unreachable, edge_set_predicate,
14778         evaluate_properties_for_edge, inline_summary_alloc,
14779         reset_ipa_call_summary, reset_inline_summary,
14780         inline_summary_t::duplicate): Update.
14781         (inline_edge_duplication_hook): Turn to ...
14782         (ipa_call_summary_t::duplicate): ... this one.
14783         (inline_edge_removal_hook): Turn to ...
14784         (ipa_call_summary_t::remove): ... this one.
14785         (dump_inline_edge_summary): Turn to ...
14786         (dump_ipa_call_summary): ... this one.
14787         (estimate_function_body_sizes): Update.
14788         (inline_update_callee_summaries): Update.
14789         (remap_edge_change_prob): Update.
14790         (remap_edge_summaries): Update.
14791         (inline_merge_summary): Update.
14792         (do_estimate_edge_time): Update.
14793         (inline_generate_summary): Update.
14794         (inline_read_section): Update.
14795         (inline_read_summary): Update.
14796         (inline_free_summary): Update.
14797         * ipa-inline.c (can_inline_edge_p): Update.
14798         (compute_inlined_call_time): Update.
14799         (want_inline_small_function_p): Update.
14800         (edge_badness): Update.
14801         (early_inliner): Update.
14802         * ipa-inline.h (inline_edge_summary): Turn to ...
14803         (ipa_call_summary): ... this one.
14804         (ipa_call_summary_t): New class.
14805         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14806         (ipa_call_summaries): New.
14807         (inline_edge_summary): Remove.
14808         (estimate_edge_growth): Update.
14809         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14810         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14811         * ipa-split.c (execute_split_functions): Update.
14812         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14813
14814 2017-05-19  Richard Biener  <rguenther@suse.de>
14815
14816         PR middle-end/80764
14817         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
14818
14819 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
14820
14821         * config/rs6000/rs6000.c (struct machine_function): Add field
14822         fpr_is_wrapped_separately.
14823         (rs6000_get_separate_components): Use 64 components.  Handle the
14824         new FPR components.
14825         (rs6000_components_for_bb): Handle the FPR components.
14826         (rs6000_emit_prologue_components): Handle the FPR components.
14827         (rs6000_emit_epilogue_components): Handle the FPR components.
14828         (rs6000_set_handled_components): Handle the FPR components.
14829         (rs6000_emit_prologue): Don't output prologue code for those FPRs
14830         that are already separately shrink-wrapped.
14831         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
14832         that are already separately shrink-wrapped.
14833
14834 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
14835
14836         PR target/80510
14837         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
14838         New predicate.
14839
14840         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
14841         (define_peephole2 for Altivec d-form load): Add peepholes to catch
14842         cases where the register allocator uses a move and an offsettable
14843         memory operation to/from a FPR register on ISA 2.06/2.07.
14844         (define_peephole2 for Altivec d-form store): Likewise.
14845
14846 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
14847
14848         PR target/80799
14849         * config/i386/mmx.md (*mov<mode>_internal): Enable
14850         alternatives 11, 12, 13 and 14 also for 32bit targets.
14851         Remove alternatives 15, 16, 17 and 18.
14852         * config/i386/sse.md (vec_concatv2di): Change
14853         alternative (!x, *y) to (x, ?!*Yn).
14854
14855 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
14856
14857         * dumpfile.h (enum dump_kind): Remove stray comma.
14858
14859 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14860
14861         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
14862         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
14863         predicate::num_conditions
14864         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
14865         (CHANGED): turn into predicate::changed.
14866         (agg_position_info): Move to ipa-predicate.h
14867         (add_condition, predicate::add_clause, predicate::operator &=,
14868         predicate::or_with, predicate::evaluate, predicate::probability,
14869         dump_condition, dump_clause, predicate::dump,
14870         predicate::remap_after_duplication, predicate::remap_after_inlining,
14871         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
14872         (evaluate_conditions_for_known_args): Update.
14873         (set_cond_stmt_execution_predicate): Update.
14874         * ipa-inline.h: Include ipa-predicate.h
14875         (condition, inline_param_summary, conditions, agg_position_info,
14876         predicate): Move to ipa-predicate.h
14877         * ipa-predicate.c: New file.
14878         * ipa-predicate.h: New file.
14879
14880 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
14881
14882         * final.c (leaf_function_p): Check we are not in a sequence.
14883
14884 2017-05-18  Martin Liska  <mliska@suse.cz>
14885
14886         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
14887         * dumpfile.c (dump_register): Use new enum dump_kind.
14888         (get_dump_file_name): Likewise.
14889         (dump_enable_all): Likewise.
14890         (dump_switch_p_1): Likewise.
14891         (enable_rtl_dump_file): Remove usage of TDF_RTL.
14892         * dumpfile.h (enum dump_kind): New enum type.
14893         (struct dump_file_info): Create constructor and
14894         format fields and comments.
14895         * passes.c (pass_manager::register_one_dump_file):
14896         Use num dump_kind.
14897         * statistics.c (statistics_early_init): Likewise.
14898         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
14899         TDF_TREE with TDF_SLIM.
14900         (gather_memory_references_ref): Likewise.
14901
14902 2017-05-18  Martin Liska  <mliska@suse.cz>
14903
14904         * vec.h (struct vnull): Use it.
14905
14906 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14907
14908         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
14909         (true_predicate, false_predicate, true_predicate_p,
14910         false_predicate_p): Remove.
14911         (single_cond_predicate, not_inlined_predicate): Turn to member function
14912         in ipa-inline.h
14913         (add_condition): Update.
14914         (add_clause): Turn to...
14915         (predicate::add_clause): ... this one; update; allow passing NULL
14916         as parameter.
14917         (and_predicates): Turn to ...
14918         (predicate::operator &=): ... this one.
14919         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
14920         (or_predicates): Turn to ...
14921         (predicate::or_with): ... this one.
14922         (evaluate_predicate): Turn to ...
14923         (predicate::evaluate): ... this one.
14924         (predicate_probability): Turn to ...
14925         (predicate::probability): ... this one.
14926         (dump_condition): Update.
14927         (dump_predicate): Turn to ...
14928         (predicate::dump): ... this one.
14929         (account_size_time): Update.
14930         (edge_set_predicate): Update.
14931         (set_hint_predicate): UPdate.
14932         (evaluate_conditions_for_known_args): Update.
14933         (evaluate_properties_for_edge): Update.
14934         (remap_predicate_after_duplication): Turn to...
14935         (predicate::remap_after_duplication): ... this one.
14936         (remap_hint_predicate_after_duplication): Update.
14937         (inline_summary_t::duplicate): UPdate.
14938         (dump_inline_edge_summary): Update.
14939         (dump_inline_summary): Update.
14940         (set_cond_stmt_execution_predicate): Update.
14941         (set_switch_stmt_execution_predicate): Update.
14942         (compute_bb_predicates): Update.
14943         (will_be_nonconstant_expr_predicate): Update.
14944         (will_be_nonconstant_predicate): Update.
14945         (phi_result_unknown_predicate): Update.
14946         (predicate_for_phi_result): Update.
14947         (array_index_predicate): Update.
14948         (estimate_function_body_sizes): Update.
14949         (estimate_node_size_and_time): Update.
14950         (estimate_ipcp_clone_size_and_time): Update.
14951         (remap_predicate): Rename to ...
14952         (predicate::remap_after_inlining): ... this one.
14953         (remap_hint_predicate): Update.
14954         (inline_merge_summary): Update.
14955         (inline_update_overall_summary): Update.
14956         (estimate_size_after_inlining): Update.
14957         (read_predicate): Rename to ...
14958         (predicate::stream_in): ... this one.
14959         (read_inline_edge_summary): Update.
14960         (write_predicate): Rename to ...
14961         (predicate::stream_out): ... this one.
14962         (write_inline_edge_summary): Update.
14963         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
14964         (clause_t): Turn to uint32_t
14965         (predicate): Turn to class; implement constructor and operators
14966         ==, !=, &
14967         (size_time_entry): Update.
14968         (inline_summary): Update.
14969         (inline_edge_summary): Update.
14970
14971 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
14972
14973         * fold-const.c (fold_binary_loc): Move transformation...
14974         * match.pd (C - X CMP X): ... here.
14975
14976 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
14977
14978         * config/sparc/sparc.c (sparc_option_override): Set function
14979         alignment for -mcpu=niagara7 to 64 to match the I$ line.
14980         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
14981         latency to 1.
14982         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
14983         latency to 2.
14984         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
14985
14986 2017-05-18  Marek Polacek  <polacek@redhat.com>
14987
14988         PR sanitizer/80797
14989         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
14990         (pass_ubsan::execute): Call gimple_assign_single_p instead of
14991         gimple_assign_load_p.
14992
14993 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
14994
14995         PR middle-end/80692
14996         * real.c (do_compare): Give decimal_do_compare preference over
14997         comparing just the signs.
14998
14999 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
15000
15001         * doc/md.texi (Canonicalization of Instructions): Describe the
15002         canonical form of instructions that inherently set a condition
15003         code register.
15004
15005 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
15006
15007         PR middle-end/80775
15008         * tree-cfg.c: Move deletion of unreachable case statements to after
15009         the merging of consecutive case labels.
15010
15011 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15012
15013         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
15014         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
15015         restoring of callee-saved registers.
15016
15017 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
15018
15019         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
15020         * config/visium/visium.c (single_set_and_flags): Likewise.
15021         * config/visium/visium.md (Substitutions): Likewise.
15022
15023 2017-05-17  Martin Liska  <mliska@suse.cz>
15024
15025         * cfg.c: Introduce dump_flags_t type and
15026         use it instead of int type.
15027         * cfg.h: Likewise.
15028         * cfghooks.c: Likewise.
15029         * cfghooks.h (struct cfg_hooks): Likewise.
15030         * cfgrtl.c: Likewise.
15031         * cfgrtl.h: Likewise.
15032         * cgraph.c (cgraph_node::get_body): Likewise.
15033         * coretypes.h: Likewise.
15034         * domwalk.c: Likewise.
15035         * domwalk.h: Likewise.
15036         * dumpfile.c (struct dump_option_value_info): Likewise.
15037         (dump_enable_all): Likewise.
15038         (dump_switch_p_1): Likewise.
15039         (opt_info_switch_p): Likewise.
15040         * dumpfile.h (enum tree_dump_index): Likewise.
15041         (struct dump_file_info): Likewise.
15042         * genemit.c: Likewise.
15043         * generic-match-head.c: Likewise.
15044         * gengtype.c (open_base_files): Likewise.
15045         * gimple-pretty-print.c: Likewise.
15046         * gimple-pretty-print.h: Likewise.
15047         * graph.c (print_graph_cfg): Likewise.
15048         * graphite-scop-detection.c (dot_all_sese): Likewise.
15049         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
15050         * loop-unroll.c (report_unroll): Likewise.
15051         * passes.c (pass_manager::register_one_dump_file): Likewise.
15052         * print-tree.c: Likewise.
15053         * statistics.c: Likewise.
15054         * tree-cfg.c: Likewise.
15055         * tree-cfg.h: Likewise.
15056         * tree-dfa.c: Likewise.
15057         * tree-dfa.h: Likewise.
15058         * tree-dump.c (dump_function): Likewise.
15059         * tree-dump.h (struct dump_info): Likewise.
15060         * tree-pretty-print.c: Likewise.
15061         * tree-pretty-print.h: Likewise.
15062         * tree-ssa-live.c: Likewise.
15063         * tree-ssa-live.h: Likewise.
15064         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
15065         * tree-vect-loop.c: Likewise.
15066         * tree-vect-slp.c: Likewise.
15067
15068 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
15069             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15070
15071         PR tree-optimization/80457
15072         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
15073         of all arguments to a statement as scalar_to_vec operations.
15074         (vectorizable_call): Adjust call to vect_model_simple_cost for
15075         new parameter.
15076         (vectorizable_conversion): Likewise.
15077         (vectorizable_assignment): Likewise.
15078         (vectorizable_shift): Likewise.
15079         (vectorizable_operation): Likewise.
15080         (vectorizable_comparison): Likewise.
15081         (vect_is_simple_cond): Record the def types for operands.
15082         (vectorizable_condition): Likewise, call vect_model_simple_cost.
15083         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
15084         for statement argument count.
15085
15086 2017-05-16  Carl Love  <cel@us.ibm.com>
15087
15088         * config/rs6000/rs6000-c: Add support for built-in functions
15089         vector unsigned long long vec_bperm (vector unsigned long long,
15090                                              vector unsigned char)
15091         vector signed long long vec_mule (vector signed int,
15092                                           vector signed int)
15093         vector unsigned long long vec_mule (vector unsigned int,
15094                                             vector unsigned int)
15095         vector signed long long vec_mulo (vector signed int,
15096                                           vector signed int)
15097         vector unsigned long long vec_mulo (vector unsigned int,
15098                                             vector unsigned int)
15099         vector signed char vec_sldw (vector signed char,
15100                                      vector signed char,
15101                                      const int)
15102         vector unsigned char vec_sldw (vector unsigned char,
15103                                        vector unsigned char,
15104                                        const int)
15105         vector signed short vec_sldw (vector signed short,
15106                                       vector signed short,
15107                                       const int)
15108         vector unsigned short vec_sldw (vector unsigned short,
15109                                         vector unsigned short,
15110                                         const int)
15111         vector signed int vec_sldw (vector signed int,
15112                                     vector signed int,
15113                                     const int)
15114         vector unsigned int vec_sldw (vector unsigned int,
15115                                       vector unsigned int,
15116                                       const int)
15117         vector signed long long vec_sldw (vector signed long long,
15118                                           vector signed long long,
15119                                           const int)
15120         vector unsigned long long vec_sldw (vector unsigned long long,
15121                                             vector unsigned long long,
15122                                             const int)
15123         * config/rs6000/rs6000-c: Add support for built-in functions
15124         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
15125         * config/rs6000/altivec.h: Add defintion for vec_sldw.
15126         * doc/extend.texi: Update the built-in documentation for the
15127         new built-in functions.
15128
15129 2017-05-16  Marek Polacek  <polacek@redhat.com>
15130
15131         PR sanitizer/80536
15132         PR sanitizer/80386
15133         * tree.c (save_expr): Don't fold the expression.
15134
15135 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
15136
15137         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
15138         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
15139         and (?*y,m).  Update insn attributes.
15140
15141 2017-05-16  Martin Liska  <mliska@suse.cz>
15142
15143         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
15144         flags argument of print_gimple_stmt, print_gimple_expr,
15145         print_generic_stmt and print_generic_expr.
15146         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
15147         * coretypes.h: Likewise.
15148         * except.c (dump_eh_tree): Likewise.
15149         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
15150         * gimple-pretty-print.h: Likewise.
15151         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
15152         (backprop::push_to_worklist): Likewise.
15153         (backprop::pop_from_worklist): Likewise.
15154         (backprop::process_use): Likewise.
15155         (backprop::intersect_uses): Likewise.
15156         (note_replacement): Likewise.
15157         * gimple-ssa-store-merging.c
15158         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
15159         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
15160         (pass_store_merging::execute): Likewise.
15161         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
15162         (ssa_base_cand_dump_callback): Likewise.
15163         (dump_incr_vec): Likewise.
15164         (replace_refs): Likewise.
15165         (replace_mult_candidate): Likewise.
15166         (create_add_on_incoming_edge): Likewise.
15167         (create_phi_basis): Likewise.
15168         (insert_initializers): Likewise.
15169         (all_phi_incrs_profitable): Likewise.
15170         (introduce_cast_before_cand): Likewise.
15171         (replace_one_candidate): Likewise.
15172         * gimplify.c (gimplify_expr): Likewise.
15173         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
15174         (set_rename): Likewise.
15175         (rename_uses): Likewise.
15176         (copy_loop_phi_nodes): Likewise.
15177         (add_close_phis_to_merge_points): Likewise.
15178         (copy_loop_close_phi_args): Likewise.
15179         (copy_cond_phi_args): Likewise.
15180         (graphite_copy_stmts_from_block): Likewise.
15181         (translate_pending_phi_nodes): Likewise.
15182         * graphite-poly.c (print_pdr): Likewise.
15183         (dump_gbb_cases): Likewise.
15184         (dump_gbb_conditions): Likewise.
15185         (print_scop_params): Likewise.
15186         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
15187         (build_cross_bb_scalars_use): Likewise.
15188         (gather_bbs::before_dom_children): Likewise.
15189         * hsa-dump.c (dump_hsa_immed): Likewise.
15190         * ipa-cp.c (print_ipcp_constant_value): Likewise.
15191         (get_replacement_map): Likewise.
15192         * ipa-inline-analysis.c (dump_condition): Likewise.
15193         (estimate_function_body_sizes): Likewise.
15194         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
15195         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
15196         * ipa-prop.c (ipa_dump_param): Likewise.
15197         (ipa_print_node_jump_functions_for_edge): Likewise.
15198         (ipa_modify_call_arguments): Likewise.
15199         (ipa_modify_expr): Likewise.
15200         (ipa_dump_param_adjustments): Likewise.
15201         (ipa_dump_agg_replacement_values): Likewise.
15202         (ipcp_modif_dom_walker::before_dom_children): Likewise.
15203         * ipa-pure-const.c (check_stmt): Likewise.
15204         (pass_nothrow::execute): Likewise.
15205         * ipa-split.c (execute_split_functions): Likewise.
15206         * omp-offload.c (dump_oacc_loop_part): Likewise.
15207         (dump_oacc_loop): Likewise.
15208         * trans-mem.c (tm_log_emit): Likewise.
15209         (tm_memopt_accumulate_memops): Likewise.
15210         (dump_tm_memopt_set): Likewise.
15211         (dump_tm_memopt_transform): Likewise.
15212         * tree-cfg.c (gimple_verify_flow_info): Likewise.
15213         (print_loop): Likewise.
15214         * tree-chkp-opt.c (chkp_print_addr): Likewise.
15215         (chkp_gather_checks_info): Likewise.
15216         (chkp_get_check_result): Likewise.
15217         (chkp_remove_check_if_pass): Likewise.
15218         (chkp_use_outer_bounds_if_possible): Likewise.
15219         (chkp_reduce_bounds_lifetime): Likewise.
15220         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
15221         (chkp_mark_completed_bounds): Likewise.
15222         (chkp_register_incomplete_bounds): Likewise.
15223         (chkp_mark_invalid_bounds): Likewise.
15224         (chkp_maybe_copy_and_register_bounds): Likewise.
15225         (chkp_build_returned_bound): Likewise.
15226         (chkp_get_bound_for_parm): Likewise.
15227         (chkp_build_bndldx): Likewise.
15228         (chkp_get_bounds_by_definition): Likewise.
15229         (chkp_generate_extern_var_bounds): Likewise.
15230         (chkp_get_bounds_for_decl_addr): Likewise.
15231         * tree-chrec.c (chrec_apply): Likewise.
15232         * tree-data-ref.c (dump_data_reference): Likewise.
15233         (dump_subscript): Likewise.
15234         (dump_data_dependence_relation): Likewise.
15235         (analyze_overlapping_iterations): Likewise.
15236         * tree-inline.c (expand_call_inline): Likewise.
15237         (tree_function_versioning): Likewise.
15238         * tree-into-ssa.c (dump_defs_stack): Likewise.
15239         (dump_currdefs): Likewise.
15240         (dump_names_replaced_by): Likewise.
15241         (dump_update_ssa): Likewise.
15242         (update_ssa): Likewise.
15243         * tree-object-size.c (pass_object_sizes::execute): Likewise.
15244         * tree-parloops.c (build_new_reduction): Likewise.
15245         (try_create_reduction_list): Likewise.
15246         (ref_conflicts_with_region): Likewise.
15247         (oacc_entry_exit_ok_1): Likewise.
15248         (oacc_entry_exit_single_gang): Likewise.
15249         * tree-pretty-print.h: Likewise.
15250         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
15251         (get_scalar_evolution): Likewise.
15252         (add_to_evolution): Likewise.
15253         (get_loop_exit_condition): Likewise.
15254         (analyze_evolution_in_loop): Likewise.
15255         (analyze_initial_condition): Likewise.
15256         (analyze_scalar_evolution): Likewise.
15257         (instantiate_scev): Likewise.
15258         (number_of_latch_executions): Likewise.
15259         (gather_chrec_stats): Likewise.
15260         (final_value_replacement_loop): Likewise.
15261         (scev_const_prop): Likewise.
15262         * tree-sra.c (dump_access): Likewise.
15263         (disqualify_candidate): Likewise.
15264         (create_access): Likewise.
15265         (reject): Likewise.
15266         (maybe_add_sra_candidate): Likewise.
15267         (create_access_replacement): Likewise.
15268         (analyze_access_subtree): Likewise.
15269         (analyze_all_variable_accesses): Likewise.
15270         (sra_modify_assign): Likewise.
15271         (initialize_constant_pool_replacements): Likewise.
15272         (find_param_candidates): Likewise.
15273         (decide_one_param_reduction): Likewise.
15274         (replace_removed_params_ssa_names): Likewise.
15275         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
15276         * tree-ssa-copy.c (dump_copy_of): Likewise.
15277         (copy_prop_visit_cond_stmt): Likewise.
15278         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
15279         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
15280         (record_equivalences_from_stmt): Likewise.
15281         * tree-ssa-dse.c (compute_trims): Likewise.
15282         (delete_dead_call): Likewise.
15283         (delete_dead_assignment): Likewise.
15284         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
15285         (forward_propagate_into_cond): Likewise.
15286         (pass_forwprop::execute): Likewise.
15287         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
15288         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
15289         Likewise.
15290         (move_computations_worker): Likewise.
15291         (execute_sm): Likewise.
15292         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
15293         (remove_exits_and_undefined_stmts): Likewise.
15294         (remove_redundant_iv_tests): Likewise.
15295         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
15296         (adjust_iv_update_pos): Likewise.
15297         * tree-ssa-math-opts.c (bswap_replace): Likewise.
15298         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
15299         (value_replacement): Likewise.
15300         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
15301         * tree-ssa-pre.c (print_pre_expr): Likewise.
15302         (get_representative_for): Likewise.
15303         (create_expression_by_pieces): Likewise.
15304         (insert_into_preds_of_block): Likewise.
15305         (eliminate_insert): Likewise.
15306         (eliminate_dom_walker::before_dom_children): Likewise.
15307         (eliminate): Likewise.
15308         (remove_dead_inserted_code): Likewise.
15309         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
15310         * tree-ssa-reassoc.c (get_rank): Likewise.
15311         (eliminate_duplicate_pair): Likewise.
15312         (eliminate_plus_minus_pair): Likewise.
15313         (eliminate_not_pairs): Likewise.
15314         (undistribute_ops_list): Likewise.
15315         (eliminate_redundant_comparison): Likewise.
15316         (update_range_test): Likewise.
15317         (optimize_range_tests_var_bound): Likewise.
15318         (optimize_vec_cond_expr): Likewise.
15319         (rewrite_expr_tree): Likewise.
15320         (rewrite_expr_tree_parallel): Likewise.
15321         (linearize_expr): Likewise.
15322         (break_up_subtract): Likewise.
15323         (linearize_expr_tree): Likewise.
15324         (attempt_builtin_powi): Likewise.
15325         (attempt_builtin_copysign): Likewise.
15326         (transform_stmt_to_copy): Likewise.
15327         (transform_stmt_to_multiply): Likewise.
15328         (dump_ops_vector): Likewise.
15329         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
15330         (print_scc): Likewise.
15331         (set_ssa_val_to): Likewise.
15332         (visit_reference_op_store): Likewise.
15333         (visit_use): Likewise.
15334         (sccvn_dom_walker::before_dom_children): Likewise.
15335         (run_scc_vn): Likewise.
15336         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
15337         Likewise.
15338         (expr_hash_elt::print): Likewise.
15339         (const_and_copies::pop_to_marker): Likewise.
15340         (const_and_copies::record_const_or_copy_raw): Likewise.
15341         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
15342         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
15343         (dump_predicates): Likewise.
15344         (find_uninit_use): Likewise.
15345         (warn_uninitialized_phi): Likewise.
15346         (pass_late_warn_uninitialized::execute): Likewise.
15347         * tree-ssa.c (verify_vssa): Likewise.
15348         (verify_ssa): Likewise.
15349         (maybe_optimize_var): Likewise.
15350         * tree-vrp.c (dump_value_range): Likewise.
15351         (dump_all_value_ranges): Likewise.
15352         (dump_asserts_for): Likewise.
15353         (register_edge_assert_for_2): Likewise.
15354         (vrp_visit_cond_stmt): Likewise.
15355         (vrp_visit_switch_stmt): Likewise.
15356         (vrp_visit_stmt): Likewise.
15357         (vrp_visit_phi_node): Likewise.
15358         (simplify_cond_using_ranges_1): Likewise.
15359         (fold_predicate_in): Likewise.
15360         (evrp_dom_walker::before_dom_children): Likewise.
15361         (evrp_dom_walker::push_value_range): Likewise.
15362         (evrp_dom_walker::pop_value_range): Likewise.
15363         (execute_early_vrp): Likewise.
15364
15365 2017-05-16  Richard Biener  <rguenther@suse.de>
15366
15367         * dwarf2out.c (loc_list_from_tree_1): Do not create
15368         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
15369
15370 2017-05-16  Richard Biener  <rguenther@suse.de>
15371
15372         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
15373         just generated.
15374         (note_variable_value_in_expr): If we resolved the decl ref
15375         do not push to the stack.
15376
15377 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
15378
15379         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
15380         operations in fast-math mode.
15381         (vaddq_f16): Likewise.
15382         (vmul_f16): Likewise.
15383         (vmulq_f16): Likewise.
15384         (vsub_f16): Likewise.
15385         (vsubq_f16): Likewise.
15386         * config/arm/neon.md (add<mode>3): New.
15387         (sub<mode>3): New.
15388         (fma:<VH:mode>3): New.  Also remove outdated comment.
15389         (mul<mode>3): New.
15390
15391 2017-05-16  Martin Liska  <mliska@suse.cz>
15392
15393         PR ipa/79849.
15394         PR ipa/79850.
15395         * ipa-devirt.c (warn_types_mismatch): Fix typo.
15396         (odr_types_equivalent_p): Likewise.
15397
15398 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
15399
15400         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
15401
15402 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
15403
15404         PR target/80425
15405         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
15406         non-interunit SSE move alternatives with '?'.
15407         (zero-extendsidi peephole2): New peephole to skip intermediate
15408         general register in SSE zero-extend sequence.
15409
15410 2017-05-15  Jeff Law  <law@redhat.com>
15411
15412         * reorg.c (relax_delay_slots): Create a new variable to hold
15413         the temporary target rather than clobbering TARGET_LABEL.
15414
15415         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
15416         missing argument to extract_bit_field call.
15417         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
15418
15419 2017-05-15  Martin Liska  <mliska@suse.cz>
15420
15421         PR driver/31468
15422         * gcc.c (process_command): Do not allow empty argument of -o option.
15423
15424 2017-05-15  Renlin Li  <renlin.li@arm.com>
15425
15426         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
15427         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
15428         * config/aarch64/constraints.md (Usf): Add long call check.
15429         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
15430         (call_value): Likewise.
15431         (sibcall): Likewise.
15432         (sibcall_value): Likewise.
15433         (call_insn): New.
15434         (call_value_insn): New.
15435         (sibcall_insn): Update rtx pattern.
15436         (sibcall_value_insn): Likewise.
15437         (call_internal): Remove.
15438         (call_value_internal): Likewise.
15439         (sibcall_internal): Likewise.
15440         (sibcall_value_internal): Likewise.
15441         (call_reg): Likewise.
15442         (call_symbol): Likewise.
15443         (call_value_reg): Likewise.
15444         (call_value_symbol): Likewise.
15445
15446 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
15447
15448         PR target/80600
15449         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
15450
15451 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
15452
15453         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
15454         compatible with CCGOCmode and with CCZmode.
15455
15456 2017-05-14  Martin Sebor  <msebor@redhat.com>
15457
15458         PR middle-end/77671
15459         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
15460         (gimple_fold_builtin_snprintf): Same.
15461         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
15462         (gimple_fold_builtin_snprintf): Same.
15463         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
15464         of character types.
15465         (is_call_safe): New function.
15466         (try_substitute_return_value): Call it.
15467         (try_simplify_call): New function.
15468         (pass_sprintf_length::handle_gimple_call): Call it.
15469
15470 2017-05-14  Martin Sebor  <msebor@redhat.com>
15471
15472         PR middle-end/80669
15473         * builtins.c (expand_builtin_stpncpy): Simplify.
15474
15475 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
15476
15477         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
15478         * config/i386/i386.h
15479         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
15480         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
15481         (struct machine_function): Add new members call_ms2sysv,
15482         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
15483         (struct machine_frame_state): New fields sp_realigned and
15484         sp_realigned_offset.
15485         * config/i386/i386.c
15486         (enum xlogue_stub): New enum.
15487         (enum xlogue_stub_sets): New enum.
15488         (class xlogue_layout): New class.
15489         (struct ix86_frame): New fields stack_realign_allocate_offset,
15490         stack_realign_offset and outlined_save_offset.  Modify comments to
15491         detail stack layout when using out-of-line stubs.
15492         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
15493         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
15494         -mcall-ms2sysv-xlogues.
15495         (stub_managed_regs): New static variable.
15496         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
15497         registers managed by out-of-line stub.
15498         (disable_call_ms2sysv_xlogues): New function.
15499         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
15500         m->call_ms2sysv when appropriate and compute frame layout for
15501         out-of-line stubs.
15502         (sp_valid_at, fp_valid_at): New inline functions.
15503         (choose_basereg): New function.
15504         (choose_baseaddr): Add align parameter, use choose_basereg and modify
15505         all callers.
15506         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
15507         Use align parameter of choose_baseaddr to generated aligned SSE movs
15508         when possible.
15509         (pro_epilogue_adjust_stack): Modify to track
15510         machine_frame_state::sp_realigned.
15511         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
15512         (ix86_nsaved_sseregs): Likewise.
15513         (ix86_emit_save_regs): Likewise.
15514         (ix86_emit_save_regs_using_mov): Likewise.
15515         (ix86_emit_save_sse_regs_using_mov): Likewise.
15516         (get_scratch_register_on_entry): Likewise.
15517         (gen_frame_set): New function.
15518         (gen_frame_load): Likewise.
15519         (gen_frame_store): Likewise.
15520         (emit_outlined_ms2sysv_save): Likewise.
15521         (emit_outlined_ms2sysv_restore): Likewise.
15522         (ix86_expand_prologue): Modify stack re-alignment code and call
15523         emit_outlined_ms2sysv_save when appropriate.
15524         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
15525         parameter rtx_insn *insn, which allows the function to be used to only
15526         generate the notes.
15527         (ix86_expand_epilogue): Modify validity checks of frame and stack
15528         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
15529         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
15530         * config/i386/predicates.md
15531         (save_multiple): New predicate.
15532         (restore_multiple): Likewise.
15533         * config/i386/sse.md
15534         (save_multiple<mode>): New pattern.
15535         (save_multiple_realign<mode>): Likewise.
15536         (restore_multiple<mode>): Likewise.
15537         (restore_multiple_and_return<mode>): Likewise.
15538         (restore_multiple_leave_return<mode>): Likewise.
15539         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
15540
15541 2017-05-14  Julia Koval  <julia.koval@intel.com>
15542
15543         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
15544         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
15545         (__builtin_ia32_xsetbv): New builtins.
15546         * config/i386/i386.c (ix86_expand_special_args_builtin):
15547         Process new types.
15548         (ix86_expand_builtin): Special expand for new intrinsics.
15549         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
15550         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
15551         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
15552
15553 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15554
15555         * cfganal.c (inverted_post_order_compute): Change argument type
15556         to vec *.
15557         * cfganal.h (inverted_post_order_compute): Adjust prototype.
15558         * df-core.c (rest_of_handle_df_initialize): Adjust.
15559         (rest_of_handle_df_finish): Likewise.
15560         (df_analyze_1): Likewise.
15561         (df_analyze): Likewise.
15562         (loop_inverted_post_order_compute): Change argument to be a vec *.
15563         (df_analyze_loop): Adjust.
15564         (df_get_n_blocks): Likewise.
15565         (df_get_postorder): Likewise.
15566         * df.h (struct df_d): Change field to be a vec.
15567         * lcm.c (compute_laterin): Adjust.
15568         (compute_available): Likewise.
15569         * lra-lives.c (lra_create_live_ranges_1): Likewise.
15570         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15571         * tree-ssa-pre.c (compute_antic): Likewise.
15572
15573 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15574
15575         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
15576         (depth_first_search::depth_first_search): Change structure init
15577         function to this constructor.
15578         (depth_first_search::add_bb): Rename function to this member.
15579         (depth_first_search::execute): Likewise.
15580         (flow_dfs_compute_reverse_finish): Adjust.
15581
15582 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15583
15584         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
15585         (longest_simple_path): Likewise.
15586         * shrink-wrap.c (spread_components): Likewise.
15587         (disqualify_problematic_components): Likewise.
15588         (emit_common_heads_for_components): Likewise.
15589         (emit_common_tails_for_components): Likewise.
15590         (insert_prologue_epilogue_for_components): Likewise.
15591
15592 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15593
15594         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
15595         auto_sbitmap.
15596
15597 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15598
15599         * df-core.c (df_set_blocks): Start using auto_bitmap.
15600         (df_compact_blocks): Likewise.
15601         * df-problems.c (df_rd_confluence_n): Likewise.
15602         * df-scan.c (df_insn_rescan_all): Likewise.
15603         (df_process_deferred_rescans): Likewise.
15604         (df_update_entry_block_defs): Likewise.
15605         (df_update_exit_block_uses): Likewise.
15606         (df_entry_block_bitmap_verify): Likewise.
15607         (df_exit_block_bitmap_verify): Likewise.
15608         (df_scan_verify): Likewise.
15609         * lra-constraints.c (lra_constraints): Likewise.
15610         (undo_optional_reloads): Likewise.
15611         (lra_undo_inheritance): Likewise.
15612         * lra-remat.c (calculate_gen_cands): Likewise.
15613         (do_remat): Likewise.
15614         * lra-spills.c (assign_spill_hard_regs): Likewise.
15615         (spill_pseudos): Likewise.
15616         * tree-ssa-pre.c (bitmap_set_and): Likewise.
15617         (bitmap_set_subtract_values): Likewise.
15618
15619 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15620
15621         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
15622         management with auto_bitmap.
15623         (fix_inter_tick): Likewise.
15624         (fix_recovery_deps): Likewise.
15625         * ira.c (add_store_equivs): Likewise.
15626         (find_moveable_pseudos): Likewise.
15627         (split_live_ranges_for_shrink_wrap): Likewise.
15628         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
15629         (rtx_reuse_manager::seen_def_p): Likewise.
15630         (rtx_reuse_manager::set_seen_def): Likewise.
15631         * print-rtl.h (class rtx_reuse_manager): Likewise.
15632
15633 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15634
15635         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
15636         lifetime.
15637         (migrate_btr_def): Likewise.
15638         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
15639         * df-core.c (loop_post_order_compute): Likewise.
15640         (loop_inverted_post_order_compute): Likewise.
15641         * hsa-common.h: Likewise.
15642         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
15643         * init-regs.c (initialize_uninitialized_regs): Likewise.
15644         * ipa-inline.c (resolve_noninline_speculation): Likewise.
15645         (inline_small_functions): Likewise.
15646         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
15647         * ira.c (combine_and_move_insns): Likewise.
15648         (build_insn_chain): Likewise.
15649         * loop-invariant.c (find_invariants): Likewise.
15650         * lower-subreg.c (propagate_pseudo_copies): Likewise.
15651         * predict.c (tree_predict_by_opcode): Likewise.
15652         (predict_paths_leading_to): Likewise.
15653         (predict_paths_leading_to_edge): Likewise.
15654         (estimate_loops_at_level): Likewise.
15655         (estimate_loops): Likewise.
15656         * shrink-wrap.c (try_shrink_wrapping): Likewise.
15657         (spread_components): Likewise.
15658         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
15659         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
15660         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
15661         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
15662         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
15663         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15664         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
15665         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
15666         (mark_threaded_blocks): Likewise.
15667         (thread_through_all_blocks): Likewise.
15668         * tree-ssa.c (verify_ssa): Likewise.
15669         (execute_update_addresses_taken): Likewise.
15670         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
15671
15672 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15673
15674         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
15675         auto_vec.
15676         (post_order_compute): Likewise.
15677         (inverted_post_order_compute): Likewise.
15678         (pre_and_rev_post_order_compute_fn): Likewise.
15679
15680 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15681
15682         * genrecog.c (int_set::int_set): Explicitly construct our
15683         auto_vec base class.
15684         * vec.h (auto_vec::auto_vec): New constructor.
15685
15686 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15687
15688         * bitmap.h (class auto_bitmap): New constructor taking
15689         bitmap_obstack * argument.
15690
15691 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15692
15693         * bitmap.h (class auto_bitmap): Change type of m_bits to
15694         bitmap_head, and adjust ctor / dtor and member operators.
15695
15696 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
15697
15698         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
15699         when returned register mode doesn't match original mode.
15700
15701 2017-05-12  Jeff Law  <law@redhat.com>
15702             Jakub Jelinek  <jakub@redhat.com>
15703
15704         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
15705         we look for cc setter after the compare-elim changes.
15706         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
15707         within the vector to match what compare-elim now expects.
15708         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
15709         (xorsi3_flags, one_cmplsi2_flags): Likewise.
15710
15711         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
15712         after the compare-elim changes.
15713         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
15714         the vector to match what compare-elim now expects.
15715         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
15716         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
15717         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
15718         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
15719         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
15720
15721         * config/visium/visium.c (single_set_and_flags): Fix where
15722         we look for cc setter after the compare-elim changes.
15723         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
15724         with the vector to match what compare-elim now expects.
15725         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
15726         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
15727         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
15728         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
15729         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
15730         (neg<mode>2_insn_set_overflow): Likewise.
15731
15732 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
15733
15734         PR middle-end/79794
15735         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
15736         maybe_expand_insn call, set ops[0].target.  If still set after call,
15737         set alt_rtl.  Add extra arg to recursive calls.
15738         (extract_bit_field): Add alt_rtl argument.  Pass to
15739         extract_bit_field.
15740         * expmed.h (extract_bit_field): Fix prototype.
15741         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
15742         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
15743         to extract_bit_field_calls.
15744         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
15745         Pass alt_rtl to extract_bit_field calls.
15746         * calls.c (store_unaligned_arguments_into_psuedos)
15747         load_register_parameters): Pass extra NULL to extract_bit_field calls.
15748         * optabs.c (maybe_legitimize_operand): Clear op->target when call
15749         gen_reg_rtx.
15750         * optabs.h (struct expand_operand): Add target bitfield.
15751
15752 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15753
15754         * compare-elim.c (try_eliminate_compare): Canonicalize
15755         operation with embedded compare to
15756         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
15757          (set (reg) (operation)].
15758
15759         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
15760
15761 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15762
15763         PR target/80723
15764         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
15765         cost of adding a carry flag for ADC instruction.
15766         [case MINUS]: Ignore the cost of subtracting a carry flag
15767         for SBB instruction.
15768
15769 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
15770
15771         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
15772         and x86intrin.h
15773         * config/rs6000/bmiintrin.h: New file.
15774         * config/rs6000/bmi2intrin.h: New file.
15775         * config/rs6000/x86intrin.h: New file.
15776
15777 2017-05-12  Jeff Law  <law@redhat.com>
15778
15779         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
15780         markers.
15781
15782 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
15783
15784         PR middle-end/80707
15785         * tree-cfg.c: Remove cfg edges of unreachable case statements.
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 expansion of vector divide builtins.
15791         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
15792         builtins identified as having unsigned arguments.
15793
15794 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15795
15796         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
15797         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
15798         expansion of vector logical operations (and, andc, or, xor,
15799         nor, orc, nand).
15800
15801 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15802
15803         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
15804         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
15805
15806 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15807
15808         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
15809         early GIMPLE expansion of vector multiplies.
15810
15811 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15812
15813         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
15814         TARGET_HAVE_MOVT conditional.
15815         (movt splitter): Likewise.
15816
15817 2017-05-12  Richard Biener  <rguenther@suse.de>
15818
15819         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
15820         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15821         Fold all stmts not inplace.
15822
15823 2017-05-12  Richard Biener  <rguenther@suse.de>
15824
15825         PR tree-optimization/80713
15826         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
15827         inserted_exprs bit for not removed stmts.
15828
15829 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
15830
15831         PR middle-end/69921
15832         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
15833         parallelized" attribute for parallelized OpenACC kernels.
15834         * omp-offload.c (execute_oacc_device_lower): Use it.
15835
15836         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
15837         Set "oacc kernels" attribute.
15838         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
15839         parameter.  Adjust all users.
15840         (oacc_fn_attrib_kernels_p): Remove function.
15841         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
15842         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
15843         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
15844         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
15845         assert "oacc kernels" attribute is set.
15846
15847 2017-05-11  Carl Love  <cel@us.ibm.com>
15848
15849         * config/rs6000/rs6000-c: Add support for built-in functions
15850         vector unsigned char vec_popcnt (vector signed char)
15851         vector unsigned char vec_popcnt (vector unsigned char)
15852         vector unsigned short vec_popcnt (vector signed short)
15853         vector unsigned short vec_popcnt (vector unsigned short)
15854         vector unsigned int vec_popcnt (vector signed int)
15855         vector unsigned int vec_popcnt (vector unsigned int)
15856         vector unsigned long long vec_popcnt (vector signed long long)
15857         vector unsigned long long vec_popcnt (vector unsigned long long)
15858         vector signed long long vec_slo (vector signed long long,
15859                                          vector signed char)
15860         vector signed long long vec_slo (vector signed long long,
15861                                          vector unsigned char)
15862         vector unsigned long long vec_slo (vector unsigned long long,
15863                                            vector signed char)
15864         vector unsigned long long vec_slo (vector unsigned long long,
15865                                            vector unsigned char)
15866         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
15867         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
15868         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
15869         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
15870         * doc/extend.texi: Update the built-in documentation file for the
15871         new built-in functions.
15872
15873 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
15874
15875         * attribs.h (sorted_attr_string): Move machine independent
15876         functions for target clone support from the i386 port to common
15877         code.  Rename ix86_function_versions to common_function_versions.
15878         Rename make_name to make_unique_name.
15879         (common_function_versions): Likewise.
15880         (make_unique_name): Likewise.
15881         (make_dispatcher_decl): Likewise.
15882         (is_function_default_version): Likewise.
15883         * attribs.c (attr_strcmp): Likewise.
15884         (sorted_attr_string): Likewise.
15885         (common_function_versions): Likewise.
15886         (make_unique_name): Likewise.
15887         (make_dispatcher_decl): Likewise.
15888         (is_function_default_version): Likewise.
15889         * config/i386/i386.c (attr_strcmp): Likewise.
15890         (sorted_attr_string): Likewise.
15891         (ix86_function_versions): Likewise.
15892         (make_name): Likewise.
15893         (make_dispatcher_decl): Likewise.
15894         (is_function_default_version): Likewise.
15895         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
15896
15897 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15898
15899         PR target/80695
15900         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
15901         Account for direct move costs for vec_construct of integer
15902         vectors.
15903
15904 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
15905
15906         PR target/80706
15907         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
15908         (UNSPEC_STX_ATOMIC): Ditto.
15909         (loaddi_via_sse): New insn.
15910         (storedi_via_sse): Ditto.
15911         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
15912         Update corresponding peephole2 patterns.
15913         (atomic_storedi_fpu): Ditto.
15914
15915 2017-05-11  Julia Koval  <julia.koval@intel.com>
15916
15917         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
15918         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
15919         New intrinsics.
15920         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
15921         (__builtin_ia32_rsqrt14ss_mask): New builtins.
15922         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
15923
15924 2017-05-11  Nathan Sidwell  <nathan@acm.org>
15925
15926         * graphite-poly.c: Include dumpfile.h.
15927
15928         * dumpfle.h (dump_function): Declare here ...
15929         * tree-dump.h (dump_function): ... not here.
15930         * dumpfile.c: #include tree-cfg.h.
15931         (dump_function): Move here from ...
15932         * tree-dump.c (dump_function): ... here.
15933         * gimplify.c: #include splay-tree.h, not tree-dump.h.
15934         * graphite-poly.c: Don't include tree-dump.h.
15935         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
15936         * print-tree.c: Likewise.
15937         * stor-layout.c: Likewise.
15938         * tree-nested.c: Likewise.
15939
15940         * dumpfile.c (dump_start): Use TDF_FLAGS.
15941         (dump_enable_all): Fix TDF_KIND check thinko.
15942
15943 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15944
15945         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
15946         array entries to represent two legal parameterizations of the
15947         overloaded __builtin_cmpb function, as represented by the
15948         P6_OV_BUILTIN_CMPB constant.
15949         (altivec_resolve_overloaded_builtin): Add special case handling
15950         for the __builtin_cmpb function, as represented by the
15951         P6_OV_BUILTIN_CMPB constant.
15952         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
15953         (BU_P6_64BIT_2): New macro.
15954         (BU_P6_OVERLOAD_2): New macro
15955         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
15956         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
15957         (CMPB): Add overload support to represent both 32-bit and 64-bit
15958         compare-bytes function.
15959         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15960         support for TARGET_CMPB.
15961         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
15962         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
15963         documentation of the __builtin_cmpb overloaded built-in function.
15964
15965 2017-05-11  Richard Biener  <rguenther@suse.de>
15966
15967         PR tree-optimization/80705
15968         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
15969         bases are not vectorizable.
15970
15971 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15972
15973         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
15974         when counting register pressure.
15975
15976 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15977
15978         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
15979         (iv_ca_more_deps): Renamed to ...
15980         (iv_ca_compare_deps): ... this.
15981         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
15982
15983 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15984
15985         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
15986         to ...
15987         (determine_group_iv_costs): ... here.
15988         (find_inv_vars_cb): Record inv var if it's not recorded before.
15989
15990 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15991
15992         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
15993         (get_shiftadd_cost): Ditto.
15994
15995 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15996
15997         * tree-ssa-address.c: Include header file.
15998         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
15999         address.
16000         (add_to_parts): Refactor.
16001         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
16002         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
16003         in new order.
16004
16005 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16006
16007         PR tree-optimization/53090
16008         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
16009         COMP_IV_EXPR_2.
16010         (extract_cond_operands): Detect condition with IV on both sides
16011         and return COMP_IV_EXPR_2.
16012         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
16013         (rewrite_use_compare): Simplify by removing call to function
16014         extract_cond_operands.
16015
16016 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16017
16018         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
16019         (extract_cond_operands): Detect condition comparing against non-
16020         invariant bound and return appropriate enum value.
16021         (find_interesting_uses_cond): Update use of extract_cond_operands.
16022         Handle its return value accordingly.
16023         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
16024
16025 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16026
16027         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
16028         nonlinear iv_use computation in loop invariant sensitive way.
16029
16030 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16031
16032         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
16033         (find_iv_candidates): Call relate_compare_use_with_all_cands.
16034
16035 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16036
16037         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
16038         (dump_cand): Support iv_cand.inv_exprs.
16039         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
16040         for candidates.
16041         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
16042         iv_cand.inv_exprs.
16043
16044 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16045
16046         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
16047         from ...
16048         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
16049         as local function.  Include necessary header files.
16050         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
16051
16052 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16053
16054         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
16055
16056 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16057
16058         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
16059         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
16060         RSHIFT_EXPR and BIT_NOT_EXPR.
16061
16062 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16063
16064         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
16065         (adjust_setup_cost): New parameter supporting round up adjustment.
16066         (struct address_cost_data): Delete.
16067         (force_expr_to_var_cost): Don't bound cost with spill_cost.
16068         (split_address_cost, ptr_difference_cost): Delete.
16069         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
16070         (struct ainc_cost_data): New struct.
16071         (get_address_cost_ainc): New function.
16072         (get_address_cost, get_computation_cost): Reimplement.
16073         (determine_group_iv_cost_address): Record inv_expr for all uses of
16074         a group.
16075         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
16076         (iv_ca_has_deps): Reimplemented to ...
16077         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
16078         than OLD_CP.
16079         (iv_ca_extend): Call iv_ca_more_deps.
16080
16081 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16082
16083         * tree-ssa-address.c (struct mem_address): Move to header file.
16084         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
16085         * tree-ssa-address.h (struct mem_address): Move from C file.
16086         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
16087
16088 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16089
16090         * tree-affine.h (aff_combination_type): New interface.
16091         (aff_combination_zero_p): Remove static.
16092         (aff_combination_const_p): New interface.
16093         (aff_combination_singleton_var_p): New interfaces.
16094
16095 2017-05-11  Richard Biener  <rguenther@suse.de>
16096
16097         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16098         Skip unreachable blocks and destinations.
16099         (eliminate): Move stmt removal and fixup ...
16100         (fini_eliminate): ... here.  Skip inserted exprs.
16101         (pass_pre::execute): Move fini_pre after fini_eliminate.
16102         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
16103         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
16104         PRE to get rid of dead code that has invalid SSA form and
16105         split critical edges again.
16106
16107 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16108
16109         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16110
16111 2017-05-11  Richard Biener  <rguenther@suse.de>
16112
16113         * passes.c (execute_function_todo): Verify loops if they are
16114         said to be up-to-date.
16115         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
16116         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
16117
16118 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
16119
16120         PR target/80090
16121         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
16122         handle calling assemble_external ourself.
16123
16124         PR target/79027
16125         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
16126         modes with zero size.  Enhance comment.
16127
16128 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16129
16130         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
16131         built-ins for vec_xl and vec_xst with short and char pointer
16132         arguments.
16133
16134 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16135
16136         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
16137         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
16138         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
16139         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
16140         (_mm_maskz_min_round_ss): New intrinsics.
16141         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
16142         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
16143         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
16144         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
16145         (__builtin_ia32_minss_mask_round): New builtins.
16146         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16147         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16148         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
16149         Rename to ...
16150         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
16151         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
16152         Change to ...
16153         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
16154         ... this.
16155
16156 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16157
16158         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
16159         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
16160         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
16161         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
16162         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
16163         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
16164         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
16165         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16166         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
16167         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
16168         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
16169         (__builtin_ia32_mulss_mask_round): New builtins.
16170         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16171         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16172         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
16173         Rename to ...
16174         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
16175         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
16176         Change to ...
16177         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
16178         ... this.
16179
16180 2017-05-10  Julia Koval  <julia.koval@intel.com>
16181
16182         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
16183         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
16184         (_mm256_setr_m128i): New intrinsics.
16185
16186 2017-05-10  Julia Koval  <julia.koval@intel.com>
16187
16188         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
16189         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
16190         (_mm_maskz_rcp14_ss): New intrinsics.
16191         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
16192         (__builtin_ia32_rcp14ss_mask): New builtins.
16193         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
16194
16195 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
16196
16197         PR tree-optimization/51513
16198         * tree-cfg.c (gimple_seq_unreachable_p): New function.
16199         (assert_unreachable_fallthru_edge_p): Use it.
16200         (group_case_labels_stmt): Likewise.
16201         * tree-cfg.h: Prototype it.
16202         * stmt.c: Include cfghooks.h and tree-cfg.h.
16203         (emit_case_dispatch_table) <gap_label>: New local variable.
16204         Use it to fill dispatch table gaps.
16205         Test for default_label before updating probabilities.
16206         (expand_case) <default_label>: Remove unneeded initialization.
16207         Test for unreachable default case statement and remove its edge.
16208         Set default_label accordingly.
16209         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
16210
16211 2017-05-10  Carl Love  <cel@us.ibm.com>
16212
16213         * config/rs6000/rs6000-c: Add support for built-in functions
16214         vector signed char      vec_neg (vector signed char)
16215         vector signed short int vec_neg (vector short int)
16216         vector signed int       vec_neg (vector signed int)
16217         vector signed long long vec_neg (vector signed long long)
16218         vector float            vec_neg (vector float)
16219         vector double           vec_neg (vector double)
16220         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
16221         overload.
16222         * config/rs6000/altivec.h: Add define for vec_neg
16223         * doc/extend.texi: Update the built-in documentation for the
16224         new built-in functions.
16225
16226 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16227
16228         PR tree-optimization/77644
16229         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
16230
16231 2017-05-10  Nathan Sidwell  <nathan@acm.org>
16232
16233         * dumpfile.h (TDI_lang_all): New.
16234         (TDF_KIND): New. Renumber others
16235         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
16236         than bits.
16237         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
16238         lang-all.
16239         (get_dump_file_name): Adjust suffix generation.
16240         (dump_enable_all): Use TDF_KIND.
16241         * doc/invoke.texi (-fdump-lang-all): Document.
16242
16243         * dumpfile.h: Tabify.
16244
16245 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
16246
16247         PR target/80671
16248         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
16249         Move member access before delete.
16250
16251 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
16252
16253         * tree-inline.c (expand_call_inline): Split block at stmt
16254         before the call.
16255
16256 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
16257
16258         PR target/68163
16259         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
16260         are now unused after splitting mov{sf,sd}_hardfloat.
16261         (f32_lr2): Likewise.
16262         (f32_lm): Likewise.
16263         (f32_lm2): Likewise.
16264         (f32_li): Likewise.
16265         (f32_li2): Likewise.
16266         (f32_lv): Likewise.
16267         (f32_sr): Likewise.
16268         (f32_sr2): Likewise.
16269         (f32_sm): Likewise.
16270         (f32_sm2): Likewise.
16271         (f32_si): Likewise.
16272         (f32_si2): Likewise.
16273         (f32_sv): Likewise.
16274         (f32_dm): Likewise.
16275         (f32_vsx): Likewise.
16276         (f32_av): Likewise.
16277         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
16278         For movsf, order stores so the VSX stores occur before the GPR
16279         store which encourages the register allocator to use a traditional
16280         FPR instead of a GPR.  For movsd, order the stores so that the GPR
16281         store comes before the VSX stores to allow the power6 to work.
16282         This is due to the power6 not having a 32-bit integer store
16283         instruction from a FPR.
16284         (movsf_hardfloat): Likewise.
16285         (movsd_hardfloat): Likewise.
16286
16287 2017-05-09  Martin Sebor  <msebor@redhat.com>
16288
16289         PR translation/80280
16290         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
16291         added in r247778.
16292
16293         PR translation/80280
16294         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
16295         data member added in r247778.
16296         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
16297
16298 2017-05-09  Nathan Sidwell  <nathan@acm.org>
16299
16300         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
16301
16302         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
16303         typedefs.
16304
16305 2017-05-09  Marek Polacek  <polacek@redhat.com>
16306
16307         * doc/invoke.texi: Fix typo.
16308
16309 2017-05-09  Richard Biener  <rguenther@suse.de>
16310
16311         * tree-vrp.c (vrp_val_is_max): Adjust comment.
16312         (vrp_val_is_min): Likewise.
16313         (set_value_range_to_value): Likewise.
16314         (set_value_range_to_nonnegative): Likewise.
16315         (gimple_assign_nonzero_p): Likewise.
16316         (gimple_stmt_nonzero_p): Likewise.
16317         (vrp_int_const_binop): Likewise.  Remove unreachable case.
16318         (adjust_range_with_scev): Adjust comments.
16319         (compare_range_with_value): Likewise.
16320         (extract_range_from_phi_node): Likewise.
16321         (test_for_singularity): Likewise.
16322
16323 2017-05-09  Richard Biener  <rguenther@suse.de>
16324
16325         * tree-vrp.c (get_single_symbol): Add assert that we don't
16326         get overflowed constants as invariant part.
16327         (compare_values_warnv): Add comment before the TREE_NO_WARNING
16328         checks.  Use wi::cmp instead of recursing for integer constants.
16329         (compare_values): Just ignore whether we assumed undefined
16330         overflow instead of failing the compare.
16331         (extract_range_for_var_from_comparison_expr): Add comment before the
16332         TREE_NO_WARNING sets.
16333         (test_for_singularity): Likewise.
16334         (extract_range_from_comparison): Do not disable optimization
16335         when we assumed undefined overflow.
16336         (extract_range_basic): Remove init of unused var.
16337
16338 2017-05-09  Richard Biener  <rguenther@suse.de>
16339
16340         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
16341         (extract_range_from_multiplicative_op_1): Adjust.
16342         (extract_range_from_binary_expr_1): Use int_const_binop.
16343
16344 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16345
16346         PR target/80101
16347         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
16348         rs6000_store_data_bypass_p in seven define_bypass directives and
16349         in several comments.
16350         * config/rs6000/rs6000-protos.h: Add prototype for
16351         rs6000_store_data_bypass_p function.
16352         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
16353         function implements slightly different (rs6000-specific) semantics
16354         than store_data_bypass_p, returning false rather than aborting
16355         with assertion error when arguments do not satisfy the
16356         requirements of store data bypass.
16357         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
16358         rs6000_store_data_bypass_p.
16359
16360 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
16361
16362         * config/xtensa/xtensa-protos.h
16363         (xtensa_initial_elimination_offset): New declaration.
16364         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
16365         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
16366         macro definition, add case for FRAME_POINTER_REGNUM when
16367         FRAME_GROWS_DOWNWARD.
16368         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
16369         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
16370         xtensa_initial_elimination_offset.
16371
16372 2017-05-08  Nathan Sidwell  <nathan@acm.org>
16373
16374         * doc/invoke.texi: Alphabetize -fdump options.
16375
16376 2017-05-08  Martin Sebor  <msebor@redhat.com>
16377
16378         PR translation/80280
16379         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
16380
16381 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16382
16383         * target.def (compute_frame_layout): New optional target hook.
16384         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
16385         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
16386         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
16387         target hook.
16388         * reload1.c (verify_initial_elim_offsets): Likewise.
16389         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
16390         (use_simple_return_p): Call arm_compute_frame_layout if needed.
16391         (arm_get_frame_offsets): Split up into this ...
16392         (arm_compute_frame_layout): ... and this function.
16393
16394 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
16395
16396         * config/aarch64/constraints.md (Usa): New constraint.
16397         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
16398
16399 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16400
16401         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
16402         with_multilib_list after it has been checked.
16403
16404 2017-05-08  Richard Biener  <rguenther@suse.de>
16405
16406         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
16407         (bitmap_set_subtract_values): Likewise.
16408
16409 2017-05-08  Richard Biener  <rguenther@suse.de>
16410
16411         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
16412         (gimple_assign_nonzero): ... this and remove strict_overflow_p
16413         argument.
16414         (gimple_stmt_nonzero_warnv_p): Rename to ...
16415         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
16416         argument.
16417         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
16418         (extract_range_basic): Adjust, do not disable propagation on
16419         strict overflow sensitive simplification.
16420         (vrp_visit_cond_stmt): Likewise.
16421
16422 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
16423
16424         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
16425         body size unconditionally.
16426
16427 2017-05-07  Jeff Law  <law@redhat.com>
16428
16429         Revert:
16430         2017-05-06  Jeff Law  <law@redhat.com>
16431         PR tree-optimization/78496
16432         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16433         code.
16434
16435         PR tree-optimization/78496
16436         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16437         (simplify_stmt_using_ranges): Call it.
16438         (vrp_dom_walker::before_dom_children): Extract equivalences
16439         from an ASSERT_EXPR with an equality comparison against a
16440         constant.
16441
16442 2017-05-06  Jeff Law  <law@redhat.com>
16443
16444         PR tree-optimization/78496
16445         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16446         code.
16447
16448         PR tree-optimization/78496
16449         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16450         (simplify_stmt_using_ranges): Call it.
16451         (vrp_dom_walker::before_dom_children): Extract equivalences
16452         from an ASSERT_EXPR with an equality comparison against a
16453         constant.
16454
16455 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16456
16457         * lra-constraints.c (lra_copy_reg_equiv): New function.
16458         (split_reg): Use it to copy equivalence information from the
16459         original register to the spill register.
16460
16461 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16462
16463         PR rtl-optimization/75964
16464         * simplify-rtx.c (simplify_const_relational_operation): Remove
16465         invalid handling of comparisons of integer ABS.
16466
16467 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
16468
16469         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
16470         initialize to zero.
16471         (init_regs): Remove declaration.
16472         (function_arg_advance_32): Initialize error_p as boolean variable.
16473
16474 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16475
16476         * store-motion.c (remove_reachable_equiv_notes): Reformat long
16477         lines.  Use for (;;).
16478
16479 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16480
16481         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
16482         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
16483         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
16484         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
16485         VF=2 that require versioning.
16486
16487 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16488
16489         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
16490         int.
16491
16492 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16493
16494         * diagnostic.h (diagnostic_override_option_index): Convert from
16495         macro to inline function.
16496
16497 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16498
16499         * diagnostic.c (last_module_changed_p): New function.
16500         (set_last_module): New function.
16501         (diagnostic_report_current_module): Convert macro usage to
16502         the above functions.
16503         * diagnostic.h (diagnostic_context::last_module): Strengthen
16504         from const line_map * to const line_map_ordinary *.
16505         (diagnostic_last_module_changed): Delete macro.
16506         (diagnostic_set_last_module): Delete macro.
16507
16508 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16509
16510         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
16511         with diagnostic_report_diagnostic.
16512         (diagnostic_n_impl_richloc): Likewise.
16513         * diagnostic.h (report_diagnostic): Delete macro.
16514         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
16515         with diagnostic_report_diagnostic.
16516         * substring-locations.c (format_warning_va): Likewise.
16517
16518 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16519
16520         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
16521         save/restor of format_spec.  Move option-printing code to...
16522         (print_option_information): ...this new function, and
16523         reimplement by simply printing to the pretty_printer,
16524         rather than appending to the format string.
16525
16526 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16527
16528         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
16529         handling logic into...
16530         (update_effective_level_from_pragmas): ...this new function.
16531
16532 2017-05-04  Andrew Waterman  <andrew@sifive.com>
16533
16534         * config/riscv/riscv.opt (mstrict-align): New option.
16535         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
16536         (SLOW_UNALIGNED_ACCESS): Define.
16537         (riscv_slow_unaligned_access): Declare.
16538         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
16539         field.
16540         (riscv_slow_unaligned_access): New variable.
16541         (rocket_tune_info): Set slow_unaligned_access to true.
16542         (optimize_size_tune_info): Set slow_unaligned_access to false.
16543         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
16544         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
16545         (riscv_option_override): Set riscv_slow_unaligned_access.
16546         * doc/invoke.texi: Add -mstrict-align to RISC-V.
16547
16548 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
16549
16550         * config/riscv/riscv.md: Unify indentation.
16551
16552 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
16553
16554         PR target/79038
16555         PR target/79202
16556         PR target/79203
16557         * config/rs6000/rs6000.md (u code attribute): Add FIX and
16558         UNSIGNED_FIX.
16559         (extendsi<mode>2): Add support for doing sign extension via
16560         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
16561         don't have ISA 3.0 instructions.
16562         (extendsi<mode>2 splitter): Likewise.
16563         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
16564         generate the normal insns since SImode can now go in vector
16565         registers.  Disallow the special UNSPECs needed for previous
16566         machines to hide SImode being used.  Add new insns
16567         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
16568         (fix_trunc<mode>si2_stfiwx): Likewise.
16569         (fix_trunc<mode>si2_internal): Likewise.
16570         (fixuns_trunc<mode>si2): Likewise.
16571         (fixuns_trunc<mode>si2_stfiwx): Likewise.
16572         (fctiw<u>z_<mode>_smallint): Likewise.
16573         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
16574         of floating point to 32-bit integer from doing a direct move to
16575         the GPR registers to do a store.
16576         (fctiwz_<mode>): Break long line.
16577
16578 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
16579
16580         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
16581         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
16582         (addr_list, addr_offset_valid_p): New.
16583         (split_address_groups): Check offset validity with above function.
16584         (gt-tree-ssa-loop-ivopts.h): Include header file.
16585
16586 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16587
16588         * config.gcc (arm*-*-*): Add missing 'fi'.
16589
16590 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
16591
16592         * doc/invoke.texi (-fopt-info): Explicitly say order of options
16593         included in -fopt-info does not matter.
16594         * doc/optinfo.texi (-fopt-info): Fix description of default
16595         behavour. Explicitly say order of options included in -fopt-info
16596         does not matter.
16597
16598 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16599
16600         * config.gcc: Allow combinations of aprofile and rmprofile values for
16601         --with-multilib-list.
16602         * config/arm/t-multilib: New file.
16603         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
16604         variables.  Remove setting of ISA and floating-point ABI in
16605         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
16606         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
16607         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
16608         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
16609         CPU options.
16610         * config/arm/t-rmprofile: Likewise except for the matches changes.
16611         * doc/install.texi (--with-multilib-list): Document the combination of
16612         aprofile and rmprofile values and warn about pitfalls in doing that.
16613
16614 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16615
16616         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
16617         (movdi_aarch64): Likewise.
16618
16619 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16620
16621         PR tree-optimization/80632
16622         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
16623         field.
16624         (build_arrays): Initialize it for virtual phis.
16625         (fix_phi_nodes): Use it for virtual phis.
16626
16627         PR tree-optimization/80558
16628         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
16629         [x, y] op z into [x op, y op z] for op & or | if conditions
16630         are met.
16631
16632 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16633             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16634
16635         PR target/71607
16636         * config/arm/arm.md (use_literal_pool): Remove.
16637         (64-bit immediate split): No longer takes cost into consideration
16638         if arm_disable_literal_pool is enabled.
16639         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
16640         used when arm_disable_literal_pool is enabled.
16641         (arm_max_const_double_inline_cost): Remove use of
16642         arm_disable_literal_pool.
16643         (push_minipool_fix): Add assert.
16644         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
16645         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
16646         (no_literal_pool_sf_immediate): New.
16647
16648 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16649
16650         PR tree-optimization/80613
16651         * tree-ssa-dce.c (propagate_necessity): Remove cases for
16652         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
16653
16654 2017-05-05  Richard Biener  <rguenther@suse.de>
16655
16656         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
16657
16658 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
16659
16660         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
16661         of this flag from insn conditions due to removal from r247495.
16662
16663 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16664
16665         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
16666         New function.
16667         (arm_early_store_addr_dep_ptr): Likewise.
16668         * config/arm/aarch-common-protos.h
16669         (arm_early_load_addr_dep_ptr): Add prototype.
16670         (arm_early_store_addr_dep_ptr): Likewise.
16671         * config/arm/cortex-a53.md: Add new bypasses.
16672
16673 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16674
16675         * tree.c (next_type_uid): Change type to unsigned.
16676         (type_hash_canon): Decrement back next_type_uid if
16677         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
16678         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
16679         if possible.
16680
16681 2017-05-04  Martin Sebor  <msebor@redhat.com>
16682
16683         * builtins.c: Fix a trivial typo in a comment.
16684
16685         PR middle-end/79234
16686         * builtins.c (check_sizes): Adjust to handle reading past the end.
16687         Avoid printing excessive upper bound of ranges.  Use %E to print
16688         tree nodes instead of converting them to %wu.
16689         (expand_builtin_memchr): New function.
16690         (compute_dest_size): Rename...
16691         (compute_objsize): ...to this.
16692         (expand_builtin_memcpy): Adjust.
16693         (expand_builtin_mempcpy): Adjust.
16694         (expand_builtin_strcat): Adjust.
16695         (expand_builtin_strcpy): Adjust.
16696         (check_strncat_sizes): Adjust.
16697         (expand_builtin_strncat): Adjust.
16698         (expand_builtin_strncpy): Adjust and simplify.
16699         (expand_builtin_memset): Adjust.
16700         (expand_builtin_bzero): Adjust.
16701         (expand_builtin_memcmp): Adjust.
16702         (expand_builtin): Handle memcmp.
16703         (maybe_emit_chk_warning): Check strncat just once.
16704
16705 2017-05-04  Martin Sebor  <msebor@redhat.com>
16706
16707         PR preprocessor/79214
16708         PR middle-end/79222
16709         PR middle-end/79223
16710         * builtins.c (check_sizes): Add inlining context and issue
16711         warnings even when -Wno-system-headers is set.
16712         (check_strncat_sizes): Same.
16713         (expand_builtin_strncat): Same.
16714         (expand_builtin_memmove): New function.
16715         (expand_builtin_stpncpy): Same.
16716         (expand_builtin): Handle memmove and stpncpy.
16717
16718 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
16719
16720         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
16721         which is not used any more.
16722
16723 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16724
16725         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
16726
16727 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16728
16729         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
16730         (cortexa53_tunings): Likewise.
16731         (cortexa57_tunings): Likewise.
16732         (cortexa72_tunings): Likewise.
16733         (cortexa73_tunings): Likewise.
16734
16735 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16736
16737         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
16738         Set loop alignment to 8.
16739
16740 2017-05-04  Martin Sebor  <msebor@redhat.com>
16741
16742         PR translation/80280
16743         * builtins.c (expand_builtin_object_size): Add missing quoting to
16744         %D and like directives.
16745         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
16746         (hsa_type_for_tree_type): Same.
16747         (verify_function_arguments): Same.
16748         * symtab.c (symbol_table::change_decl_assembler_name): Same.
16749         * varasm.c (get_section): Same.
16750         (mark_weak): Same.
16751
16752 2017-05-04  Martin Sebor  <msebor@redhat.com>
16753
16754         PR translation/80280
16755         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
16756
16757 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16758
16759         * config/aarch64/aarch64.c (generic_addrcost_table):
16760         Change HI/TI mode setting.
16761
16762 2017-05-04  Martin Jambor  <mjambor@suse.cz>
16763
16764         PR tree-optimization/80622
16765         * tree-sra.c (comes_initialized_p): New function.
16766         (build_accesses_from_assign): Only set write lazily when
16767         comes_initialized_p is false.
16768         (analyze_access_subtree): Use comes_initialized_p.
16769         (propagate_subaccesses_across_link): Assert !comes_initialized_p
16770         instead of testing for PARM_DECL.
16771
16772 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16773
16774         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
16775         constraint on operand 0 to allow more general addressing modes.
16776         Adjust output template.
16777         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
16778         New function.
16779         * config/aarch64/aarch64-protos.h
16780         (aarch64_address_valid_for_prefetch_p): Declare prototype.
16781         * config/aarch64/constraints.md (Dp): New address constraint.
16782         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
16783         predicate.
16784
16785 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
16786
16787         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
16788         update use of estimate_ipcp_clone_size_and_time.
16789         (estimate_local_effects): Update use of
16790         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
16791         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
16792         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
16793         Return nonspecialized time.
16794
16795 2017-05-04  Richard Biener  <rguenther@suse.de>
16796
16797         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
16798         for the last VUSE which def dominates the PHI.  Directly call
16799         maybe_skip_until.
16800         (get_continuation_for_phi_1): Remove.
16801
16802 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
16803
16804         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
16805         to explain the use of truncating division.  Cap the number of
16806         iterations to the maximum given by nb_iterations_upper_bound,
16807         if defined.
16808
16809 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16810
16811         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
16812         * configure: Regenerate.
16813         * config.in: Regenerate.
16814         * config/i386/driver-mingw32.c: new file.
16815         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
16816         * config.host: Link driver-mingw32.o on MinGW host.
16817         * doc/install.texi: Document new --enable-mingw-wildcard configure
16818         option.
16819
16820 2017-05-04  Marek Polacek  <polacek@redhat.com>
16821
16822         PR tree-optimization/80612
16823         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
16824
16825 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16826             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
16827
16828         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
16829         (movt splitter): Likewise.
16830         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
16831         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
16832         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
16833         block for Thumb-1 with MOVT.
16834         (thumb2_legitimate_address_p): Move code block ...
16835         (can_avoid_literal_pool_for_label_p): ... into this new function.
16836         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
16837         literal pool.
16838         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
16839         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
16840         "M-profile targets with the MOVT instruction".
16841
16842 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16843
16844         * config/arm/arm-builtins.c (arm_init_builtins): Rename
16845         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
16846         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
16847
16848 2017-05-04  Martin Liska  <mliska@suse.cz>
16849
16850         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
16851         variable cond_code.
16852
16853 2017-05-04  Richard Biener  <rguenther@suse.de>
16854
16855         * tree.c (array_at_struct_end_p): Handle arrays at struct
16856         end with flexarrays more conservatively.  Refactor and treat
16857         arrays of arrays or aggregates more strict.  Fix
16858         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
16859         * tree.c (array_at_struct_end_p): Adjust prototype.
16860         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
16861         * gimple-fold.c (get_range_strlen): Likewise.
16862         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
16863
16864 2017-05-04  Richard Biener  <rguenther@suse.de>
16865
16866         PR tree-optimization/31130
16867         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
16868         false.
16869         (supports_overflow_infinity): Likewise.
16870         (is_negative_overflow_infinity): Likewise.
16871         (is_positive_overflow_infinity): Likewise.
16872         (is_overflow_infinity): Likewise.
16873         (stmt_overflow_infinity): Likewise.
16874         (overflow_infinity_range_p): Likewise.
16875         (usable_range_p): Remove as always returning true.
16876         (make_overflow_infinity): Remove.
16877         (negative_overflow_infinity): Likewise.
16878         (positive_overflow_infinity): Likewise.
16879         (avoid_overflow_infinity): Likewise.
16880         (set_value_range): Adjust accordingly.
16881         (set_value_range_to_nonnegative): Likewise, remove now unused
16882         overflow_infinity arg.
16883         (vrp_operand_equal_p): Adjust.
16884         (update_value_range): Likewise.
16885         (range_int_cst_singleton_p): Likewise.
16886         (operand_less_p): Likewise.
16887         (compare_values_warnv): Likewise.
16888         (extract_range_for_var_from_comparison_expr): Likewise.
16889         (vrp_int_const_binop): Likewise.
16890         (zero_nonzero_bits_from_vr): Likewise.
16891         (extract_range_from_multiplicative_op_1): Likewise.
16892         (extract_range_from_binary_expr_1): Likewise.
16893         (extract_range_from_unary_expr): Likewise.
16894         (extract_range_from_comparison): Likewise.
16895         (extract_range_basic): Likewise.
16896         (adjust_range_with_scev): Likewise.
16897         (compare_ranges): Likewise.
16898         (compare_range_with_value): Likewise.
16899         (dump_value_range): Likewise.
16900         (test_for_singularity): Likewise, remove strict_overflow_p parameter
16901         never used.
16902         (simplify_cond_using_ranges): Adjust.
16903
16904 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
16905
16906         * brig-builtins.def: Added a builtin for class_f64.
16907         * builtin-types.def: Added a builtin type needed by class_f64.
16908
16909 2017-05-03  Jason Merrill  <jason@redhat.com>
16910
16911         * timevar.def: Add TV_CONSTEXPR.
16912
16913 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16914
16915         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
16916
16917 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16918
16919         * ipa-prop.c (ipa_update_after_lto_read): Removed.
16920         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
16921         * ipa-cp.c (ipcp_propagate_stage): Do not call
16922         ipa_update_after_lto_read.
16923         * ipa-inline.c (ipa_inline): Likewise.
16924
16925 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16926
16927         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
16928         tag.  Added a default constructor and a destructor.
16929         (ipa_edge_args_sum_t): New class;
16930         (ipa_edge_args_sum): Declare.
16931         (ipa_edge_args_vector): Remove declaration.
16932         (IPA_EDGE_REF): Use ipa_edge_args_sum.
16933         (ipa_free_edge_args_substructures): Remove declaration.
16934         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
16935         (ipa_edge_args_info_available_for_edge_p): Likewise.
16936         * ipa-prop.c (ipa_edge_args_vector): Removed.
16937         (edge_removal_hook_holder): Likewise.
16938         (edge_duplication_hook_holder): Likewise.
16939         (ipa_edge_args_sum): New variable.
16940         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
16941         ipa_edge_args_vector.
16942         (ipa_free_edge_args_substructures): Likewise.
16943         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
16944         ipa_edge_args_vector.
16945         (ipa_edge_removal_hook): Turned into method
16946         ipa_edge_args_sum_t::remove.
16947         (ipa_edge_duplication_hook): Turned into method
16948         ipa_edge_args_sum_t::duplicate.
16949         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
16950         registering edge hooks.
16951         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
16952         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
16953         ipa_edge_args_sum instead of ipa_edge_args_vector.
16954         * ipa-profile.c (ipa_profile): Likewise.
16955
16956 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16957
16958         * symbol-summary.h (function_summary): New method exists.
16959         (function_summary::symtab_removal): Deallocate through release.
16960         (call_summary): New class.
16961         (gt_ggc_mx): New overload.
16962         (gt_pch_nx): Likewise.
16963         (gt_pch_nx): Likewise.
16964
16965 2017-05-03  Jeff Law  <law@redhat.com>
16966
16967         PR tree-optimization/78496
16968         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
16969         from simplify_cond_using_ranges.  Split off code to walk
16970         backwards through casts into ...
16971         (simplify_cond_using_ranges_2): New function.
16972         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
16973         (execute_vrp): After identifying jump threads, call
16974         simplify_cond_using_ranges_2.
16975
16976 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
16977
16978         PR bootstrap/80609
16979         * ipa-inline.h (inline_summary): Add ctor.
16980         (create_ggc): Do not use ggc_cleared_alloc.
16981
16982 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
16983             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16984
16985         * gcc.c (handle_braces): Support escaping in switch matching
16986         text.
16987         * doc/invoke.texi (Spec Files): Document it.
16988         Remove superfluous @code markup in items.
16989
16990 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16991
16992         * diagnostic-show-locus.c (struct column_range): New struct.
16993         (get_affected_columns): New function.
16994         (get_printed_columns): New function.
16995         (struct correction): New struct.
16996         (correction::ensure_capacity): New function.
16997         (correction::ensure_terminated): New function.
16998         (struct line_corrections): New struct.
16999         (line_corrections::~line_corrections): New dtor.
17000         (line_corrections::add_hint): New function.
17001         (layout::print_trailing_fixits): Reimplement in terms of the new
17002         classes.
17003         (selftest::test_overlapped_fixit_printing): New function.
17004         (selftest::diagnostic_show_locus_c_tests): Call it.
17005
17006 2017-05-03  Nathan Sidwell  <nathan@acm.org>
17007
17008         Canonicalize canonical type hashing
17009         * tree.h (type_hash_canon_hash): Declare.
17010         * tree.c (type_hash_list, attribute_hash_list): Move into
17011         type_hash_canon_hash.
17012         (build_type_attribute_qual_variant): Break out hash code calc into
17013         type_hash_canon_hash.
17014         (type_hash_canon_hash): New.  Generic type hash computation.
17015         (build_range_type_1, build_array_type_1, build_function_type,
17016         build_method_type_directly, build_offset_type, build_complex_type,
17017         make_vector_type): Call it.
17018
17019 2017-05-03  Richard Biener  <rguenther@suse.de>
17020
17021         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
17022         When all DRs have unknown misaligned do not always peel
17023         when there is a store but apply the same costing model as if
17024         there were only loads.
17025
17026 2017-05-03  Richard Biener  <rguenther@suse.de>
17027
17028         Revert
17029         PR tree-optimization/80492
17030         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17031         compare_base_decls returning dont-know properly.
17032
17033 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17034
17035         * config/arm/iterators.md (CCSI): New mode iterator.
17036         (arch): New mode attribute.
17037         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
17038         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
17039         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
17040         code iterator for success result mode.
17041         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
17042         the corresponding new insn generators.
17043
17044 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
17045
17046         Revert r247509
17047         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17048         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17049
17050 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
17051
17052         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
17053         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
17054         (DDR_A): Wrap DDR argument in brackets.
17055         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
17056         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
17057         (DDR_REVERSED_P): Likewise.
17058
17059 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
17060
17061         PR tree-optimization/79472
17062         * tree-switch-conversion.c (struct switch_conv_info): Add
17063         contiguous_range and default_case_nonstandard fields.
17064         (collect_switch_conv_info): Compute contiguous_range and
17065         default_case_nonstandard fields, don't clear final_bb if
17066         contiguous_range and only the default case doesn't have the required
17067         structure.
17068         (check_all_empty_except_final): Set default_case_nonstandard instead
17069         of failing if contiguous_range and the default case doesn't have empty
17070         block.
17071         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
17072         and only the default case doesn't have the required constants.  Skip
17073         virtual phis.
17074         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
17075         if default_case_nonstandard.
17076         (build_constructors): Build constant 1 just once.  Assert that default
17077         values aren't inserted in between cases if contiguous_range.  Skip
17078         virtual phis.
17079         (build_arrays): Skip virtual phis.
17080         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
17081         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
17082         Handle virtual phis.
17083         (gen_inbound_check): Handle default_case_nonstandard case.
17084         (process_switch): Adjust check_final_bb caller.  Call
17085         gather_default_values with the first non-default case instead of
17086         default case if default_case_nonstandard.
17087
17088 2017-05-02  Nathan Sidwell  <nathan@acm.org>
17089
17090         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
17091         check.  Fix formatting.
17092
17093 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
17094
17095         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
17096         errors when comparing specialized and unspecialized times.
17097
17098 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
17099
17100         * diagnostic-show-locus.c
17101         (layout::should_print_annotation_line_p): Make private.
17102         (layout::print_annotation_line): Make private.
17103         (layout::annotation_line_showed_range_p): Make private.
17104         (layout::show_ruler): Make private.
17105         (layout::print_source_line): Make private.  Pass in line and
17106         line_width, rather than calling location_get_source_line.  Drop
17107         returned value.
17108         (layout::print_leading_fixits): New method.
17109         (layout::print_any_fixits): Rename to...
17110         (layout::print_trailing_fixits): ...this, and make private.
17111         Don't print newline fixits.
17112         (diagnostic_show_locus): Move logic for printing one row into...
17113         (layout::print_line): ...this new function.  Move the
17114         location_get_source_line call and error-handling from
17115         print_source_line to here.  Call print_leading_fixits, and rename
17116         print_any_fixits to print_trailing_fixits.
17117         (selftest::test_fixit_insert_containing_newline): Update now that
17118         newlines are partially supported.
17119         (selftest::test_fixit_insert_containing_newline_2): New test.
17120         (selftest::test_fixit_replace_containing_newline): Update comments.
17121         (selftest::diagnostic_show_locus_c_tests): Call the new test.
17122         * edit-context.c (class added_line): New class.
17123         (class edited_line): Describe newline handling in comment.
17124         (edited_line::actually_edited_p): New method.
17125         (edited_line::print_content): Delete redundant decl.
17126         (edited_line::m_predecessors): New field.
17127         (edited_file::print_content): Call edited_line::print_content.
17128         (edited_file::print_diff): Update to support newlines.
17129         (edited_file::print_diff_hunk): Likewise.
17130         (edited_file::print_run_of_changed_lines): New function.
17131         (edited_file::print_diff_line): Convert to...
17132         (print_diff_line): ...this.
17133         (edited_file::get_effective_line_count): New function.
17134         (edited_line::edited_line): Initialize new field m_predecessors.
17135         (edited_line::~edited_line): Clean up m_predecessors.
17136         (edited_line::apply_fixit): Handle newlines.
17137         (edited_line::get_effective_line_count): New function.
17138         (edited_line::print_content): New function.
17139         (edited_line::print_diff_lines): New function.
17140         (selftest::test_applying_fixits_insert_containing_newline): New
17141         test.
17142         (selftest::test_applying_fixits_replace_containing_newline): New
17143         test.
17144         (selftest::insert_line): New function.
17145         (selftest::test_applying_fixits_multiple_lines): Add example of
17146         inserting a line.
17147         (selftest::edit_context_c_tests): Call the new tests.
17148
17149 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17150
17151         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
17152         parameter cand.  Update dump information.
17153         (get_computation_cost): Update uses.
17154
17155 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17156
17157         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
17158         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
17159         (get_computation_at, rewrite_use_address): Update use of
17160         get_computation_aff.
17161
17162 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17163
17164         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
17165         (get_computation): Delete.
17166         (get_computation_cost): Implement like get_computation_cost_at.
17167         Use get_computation_at.
17168         (get_computation_cost_at): Delete.
17169         (rewrite_use_nonlinear_expr): Use get_computation_at.
17170         (rewrite_use_compare, remove_unused_ivs): Ditto.
17171
17172 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17173
17174         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
17175
17176 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17177
17178         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
17179         (ivopts_global_cost_for_size): Rename parameter and update uses.
17180         (iv_ca_recount_cost): Update uses.
17181         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
17182         candidates seperately in n_invs and n_cands.
17183         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
17184
17185 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17186
17187         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
17188         (find_inv_vars_cb): New.
17189         (find_depends): Renamed to ...
17190         (find_inv_vars): ... this.
17191         (add_candidate_1, force_var_cost): Call find_inv_vars.
17192         (split_address_cost, determine_group_iv_cost_cond): Ditto.
17193
17194 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17195
17196         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
17197         inv_vars.  Add inv_exprs.
17198         (struct iv_cand): Rename depends_on to inv_vars.
17199         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
17200         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
17201         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
17202         (dump_cand): Dump inv_vars.
17203         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
17204         (record_invariant, find_depends, add_candidate_1): Ditto.
17205         (set_group_iv_cost, force_var_cost): Ditto.
17206         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
17207         (get_computation_cost_at, get_computation_cost): Ditto.
17208         (determine_group_iv_cost_generic): Ditto.
17209         (determine_group_iv_cost_address): Ditto.
17210         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
17211         (determine_group_iv_costs): Ditto.
17212         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
17213         (iv_ca_set_remove_invariants): Renamed to ...
17214         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
17215         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
17216         (iv_ca_set_add_invariants):  Renamed to ...
17217         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
17218         (iv_ca_set_cp): Use iv_ca_set_add_invs.
17219         (iv_ca_has_deps): Support inv_vars and inv_exprs.
17220         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
17221         (create_new_ivs): Remove useless dump.
17222
17223 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17224
17225         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
17226         iv_cand code.
17227         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
17228         (iv_ca_set_no_cp, create_new_iv): Ditto.
17229
17230 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17231
17232         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17233
17234 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17235
17236         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
17237         function tree_check2.
17238
17239 2017-05-02  Martin Liska  <mliska@suse.cz>
17240
17241         * doc/gcov.texi: Add missing preposition.
17242         * gcov.c (function_info::function_info): Properly fill up
17243         all member variables.
17244
17245 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17246
17247         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
17248
17249 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17250
17251         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
17252
17253 2017-05-02  Martin Liska  <mliska@suse.cz>
17254
17255         PR lto/77954.
17256         * lto-streamer-in.c (lto_read_tree_1): Remove
17257         LTO_STREAMER_DEBUG.
17258         * lto-streamer.c (struct tree_hash_entry): Likewise.
17259         (struct tree_entry_hasher): Likewise.
17260         (tree_entry_hasher::hash): Likewise.
17261         (tree_entry_hasher::equal): Likewise.
17262         (lto_streamer_init): Likewise.
17263         (lto_orig_address_map): Likewise.
17264         (lto_orig_address_get): Likewise.
17265         (lto_orig_address_remove): Likewise.
17266         * lto-streamer.h: Likewise.
17267         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
17268         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
17269
17270 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
17271
17272         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
17273         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
17274         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
17275         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
17276         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
17277         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
17278         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
17279         (mm_maskz_sub_ss): New intrinsics.
17280         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17281         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
17282         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
17283         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
17284         (__builtin_ia32_subss_mask_round): New builtins.
17285         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17286         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17287         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
17288         Renamed to ...
17289         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
17290         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
17291         Changed to ...
17292         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
17293         ... this.
17294
17295 2017-05-02  Martin Jambor  <mjambor@suse.cz>
17296
17297         PR tree-optimization/78687
17298         * tree-sra.c (access): New field parent.
17299         (process_subtree_disqualification): New function.
17300         (disqualify_candidate): Call it.
17301         (build_accesses_from_assign): Reset write flag if creating an
17302         assighnment link.
17303         (build_access_subtree): Fill in parent field and also prpagate
17304         down grp_write flag.
17305         (create_artificial_child_access): New parameter set_grp_write, set
17306         grp_write to its value.
17307         (propagate_subaccesses_across_link): Also propagate grp_write flag
17308         values.
17309         (propagate_all_subaccesses): Push the closest parent back to work
17310         queue if add_access_to_work_queue returned true.
17311
17312 2017-05-02  Richard Biener  <rguenther@suse.de>
17313
17314         * common.opt (fstrict-overflow): Alias negative to fwrapv.
17315         * doc/invoke.texi (fstrict-overflow): Remove all traces of
17316         -fstrict-overflow documentation.
17317         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
17318         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
17319         flag_strict_overflow.
17320         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
17321         * lto-opts.c (lto_write_options): Do not stream it.
17322         * lto-wrapper.c (merge_and_complain): Do not handle it.
17323         * opts.c (default_options_table): Do not set -fstrict-overflow.
17324         (finish_options): Likewise do not clear it when sanitizing.
17325         * simplify-rtx.c (simplify_const_relational_operation): Do not
17326         test flag_strict_overflow.
17327
17328 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17329
17330         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
17331         using enabled attribute.
17332         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
17333         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
17334         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
17335         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
17336         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
17337         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
17338         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
17339         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
17340         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
17341         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
17342
17343 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17344
17345         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
17346
17347 2017-05-02  Richard Biener  <rguenther@suse.de>
17348
17349         PR tree-optimization/80591
17350         Revert
17351         2017-04-10  Richard Biener  <rguenther@suse.de>
17352
17353         * tree-ssa-structalias.c (find_func_aliases): Properly handle
17354         asm inputs.
17355
17356 2017-05-02  Richard Biener  <rguenther@suse.de>
17357
17358         PR tree-optimization/80549
17359         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
17360         (cleanup_tree_cfg_noloop): Create forwarders to known loop
17361         headers if they do not have a preheader.
17362
17363 2017-05-02  Martin Liska  <mliska@suse.cz>
17364
17365         PR other/80589
17366         * common.opt: Fix typo.
17367         * doc/invoke.texi: Likewise.
17368
17369 2017-05-01  Jan Beulich  <jbeulich@suse.com>
17370
17371         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
17372         swapping, add (x,x,m,x,n) alternative.
17373
17374 2017-05-01  Nathan Sidwell  <nathan@acm.org>
17375
17376         * calls.c (combine_pending_stack_adjustment_and_call): Remove
17377         unnecessary unadjusted_alignment check.
17378
17379 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17380
17381         PR c++/80038
17382         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
17383         operations here.
17384         * gimplify.c (gimplify_cilk_detach): New function.
17385         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
17386         * tree-core.h: Document EXPR_CILK_SPAWN.
17387         * tree.h (EXPR_CILK_SPAWN): Define.
17388
17389 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
17390
17391         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
17392         to use new fixit_hint representation, using the "replace" logic.
17393         (get_line_span_for_fixit_hint): Likewise.
17394         (layout::print_any_fixits): Likewise.
17395         (selftest::test_one_liner_many_fixits): Rename to...
17396         (selftest::test_one_liner_many_fixits_1): ...this, and update
17397         comment and expected output to reflect that the multiple fix-it
17398         hints are now consolidated into one insertion.
17399         (selftest::test_one_liner_many_fixits_2): New test.
17400         (selftest::test_diagnostic_show_locus_one_liner): Update for
17401         above.
17402         (selftest::test_fixit_consolidation): Update for fix-it API
17403         change.
17404         * diagnostic.c (print_parseable_fixits): Likewise.
17405         * edit-context.c (edited_line::m_line_events): Convert from
17406         auto_vec <line_event *> to auto_vec <line_event>.
17407         (class line_event): Convert from abstract base class to a concrete
17408         class, taking over the role of replace_event.
17409         (class insert_event): Delete.
17410         (class replace_event): Rename to class line_event.  Convert to
17411         half-open range.
17412         (edit_context::add_fixits): Reimplement.
17413         (edit_context::apply_insert): Delete.
17414         (edit_context::apply_replace): Rename to...
17415         (edit_context::apply_fixit): ...this.  Convert to half-open range.
17416         (edited_file::apply_insert): Delete.
17417         (edited_file::apply_replace): Rename to...
17418         (edited_file::apply_fixit): ...this.
17419         (edited_line::~edited_line): Drop deletion of events.
17420         (edited_line::apply_insert): Delete.
17421         (edited_line::apply_replace): Rename to...
17422         (edited_line::apply_fixit): ...this.  Convert to half-open range.
17423         Update for change to type of m_line_events.
17424         * edit-context.h (edit_context::apply_insert): Delete.
17425         (edit_context::apply_replace): Rename to...
17426         (edit_context::apply_fixit): ...this.
17427
17428 2017-05-01  Martin Sebor  <msebor@redhat.com>
17429
17430         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
17431         known.
17432
17433 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
17434
17435         PR target/68491
17436         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
17437         __get_cpuid_max returns 0.
17438         (__get_cpuid_count): Ditto.
17439
17440 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
17441
17442         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
17443         replacement expression is another instance of one of its arguments.
17444
17445 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
17446
17447         PR target/79430
17448         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
17449         check for stack push/pop autoinc.
17450         * config/i386/i386.c (ix86_agi_dependent): Return false
17451         if the only reason why modified_in_p returned true is that
17452         addr is SP based and set_insn is a push or pop.
17453
17454 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17455
17456         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
17457         overflow check.
17458
17459 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17460
17461         PR ipa/79224
17462         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
17463         (account_size_time): Use two predicates - exec_pred and
17464         nonconst_pred_ptr.
17465         (evaluate_conditions_for_known_args): Compute both clause and
17466         nonspec_clause.
17467         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
17468         (inline_summary_t::duplicate): Update.
17469         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
17470         separately.
17471         (compute_inline_parameters): Likewise.
17472         (estimate_edge_size_and_time): Update caluclation of time.
17473         (estimate_node_size_and_time): Compute both time and nonspecialized
17474         time.
17475         (estimate_ipcp_clone_size_and_time): Update.
17476         (inline_merge_summary): Update.
17477         (do_estimate_edge_time): Update.
17478         (do_estimate_edge_size): Update.
17479         (do_estimate_edge_hints): Update.
17480         (inline_read_section, inline_write_summary): Stream both new predicates.
17481         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
17482         as argument.
17483         (compute_inlined_call_time): Cleanup.
17484         (big_speedup_p): Update.
17485         (edge_badness): Update.
17486         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
17487         (size_time_entry): Replace predicate by exec_predicate and
17488         nonconst_predicate.
17489         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
17490         (estimate_edge_time): Return also nonspec_time.
17491         (reset_edge_growth_cache): Update.
17492
17493 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
17494
17495         PR rtl-optimization/80491
17496         * ifcvt.c (noce_process_if_block): When looking for x setter
17497         with missing else_bb, don't check only the insn right before
17498         cond_earliest, but look for the last insn that x is modified in
17499         within the same bb.
17500
17501         PR rtl-optimization/80491
17502         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
17503
17504 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
17505
17506         PR tree-optimization/80487
17507         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
17508
17509 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17510
17511         PR tree-optimization/79697
17512         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
17513         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
17514         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
17515         BUILT_IN_STRNDUP.
17516         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
17517         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
17518
17519 2017-04-28  Martin Sebor  <msebor@redhat.com>
17520
17521         PR tree-optimization/80523
17522         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
17523         (init_target_to_host_charmap, target_to_host, target_strtol10): New
17524         functions.
17525         (maybe_warn, format_directive, parse_directive): Use new functions.
17526         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
17527
17528 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
17529
17530         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
17531
17532 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17533
17534         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
17535         target_header_dir): Set correctly.
17536         * configure: Regenerated.
17537         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17538         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17539         instead of SYSTEM_HEADER_DIR.
17540
17541 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
17542
17543         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
17544         (estimate_local_effects): Likewise.
17545         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
17546         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
17547         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
17548         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
17549         do_estimate_edge_time, estimate_edge_time): Likewise.
17550         * ipa-inline-analysis.c (estimate_node_size_and_time,
17551         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
17552         (estimate_time_after_inlining): Remove.
17553
17554 2017-04-28  Martin Liska  <mliska@suse.cz>
17555
17556         * doc/gcov.texi: Enhance documentation of gcov.
17557
17558 2017-04-28  Martin Liska  <mliska@suse.cz>
17559
17560         * doc/gcov.texi: Sort options in alphabetic order.
17561         * doc/gcov-dump.texi: Likewise.
17562         * doc/gcov-tool.texi: Likewise.
17563         * gcov.c (print_usage): Likewise.
17564         * gcov-dump.c (print_usage): Likewise.
17565         * gcov-tool.c (print_merge_usage_message): Likewise.
17566         (print_rewrite_usage_message): Likewise.
17567         (print_overlap_usage_message): Likewise.
17568
17569 2017-04-28  Martin Liska  <mliska@suse.cz>
17570
17571         PR gcov-profile/53915
17572         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
17573
17574 2017-04-28  Martin Liska  <mliska@suse.cz>
17575
17576         PR gcov-profile/79891
17577         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
17578         is marked by compiler as living on a line.
17579         (get_cycles_count): Remove usage of the union.
17580         (output_intermediate_file): Likewise.
17581         (find_source): Fix GNU coding style.
17582         (accumulate_line_counts): Remove old non-all block mode.
17583         (output_lines): Remove usage of the union.
17584         * profile.c (output_location): Include all BBs, even if
17585         belonging to a same line (and file) as a previous BB.
17586
17587 2017-04-28  Martin Liska  <mliska@suse.cz>
17588
17589         * gcov.c (process_args): Handle new argument 'w'.
17590         (read_graph_file): Assign ID to BBs.
17591         (output_branch_count): Display BB # if verbose flag is set.
17592         (output_lines): Likewise for arcs.
17593         (print_usage): Add '--verbose' option help.
17594         * doc/gcov.texi: Document --verbose (-w) option.
17595
17596 2017-04-28  Martin Liska  <mliska@suse.cz>
17597
17598         * gcov.c (struct block_location_info): New struct.
17599         (process_file): Fill up the new structure.
17600         (read_graph_file): Replace usage of encoding by the newly added
17601         struct.
17602         (add_line_counts): Likewise.
17603         (accumulate_line_counts): Remove usage of the union.
17604         (function_info::function_info): New function.
17605         (function_info::~function_info): Likewise.
17606         (process_file): Call delete instead of release_function.
17607         (release_function): Release the function.
17608         (release_structures): Call delete instead of release_function.
17609         (solve_flow_graph): Replace usage of num_blocks.
17610         (find_exception_blocks): Likewise.
17611         (output_lines): Fix GNU coding style.
17612
17613 2017-04-28  Martin Liska  <mliska@suse.cz>
17614
17615         PR driver/56469
17616         * coverage.c (coverage_remove_note_file): New function.
17617         * coverage.h: Declare the function.
17618         * toplev.c (finalize): Clean if an error has been seen.
17619
17620 2017-04-28  Martin Liska  <mliska@suse.cz>
17621
17622         PR gcov-profile/80031
17623         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
17624         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
17625         * gcov.c (read_graph_file): Read just number of blocks.
17626         * profile.c (branch_prob): Do not stream 0 flags per a basic
17627         block.
17628
17629 2017-04-28  Martin Liska  <mliska@suse.cz>
17630
17631         * gcov-dump.c (tag_*): Add new argument to declarations.
17632         (dump_gcov_file): Likewise.
17633         (tag_blocks): Add and use new argument depth.
17634         (tag_arcs): Likewise.
17635         (tag_lines): Likewise.
17636         (tag_counters): Likewise.
17637         (tag_summary): Likewise.
17638         (dump_working_sets): Use depth to do a proper indentation.
17639
17640 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
17641
17642         PR bootstrap/80531
17643         * cgraph.h (symtab_node::debug_symtab): No longer inline.
17644         * symtab.c (symtab_node::debug_symtab): Move definition here.
17645
17646 2017-04-28  Richard Biener  <rguenther@suse.de>
17647
17648         * lto-streamer.h (LTO_major_version): Bump to 7.
17649
17650 2017-04-28  Richard Biener  <rguenther@suse.de>
17651
17652         * tree-vrp.c (assert_info): New struct.
17653         (add_assert_info): New helper.
17654         (register_edge_assert_for_2): Refactor to add asserts to a vector
17655         of assert_info.
17656         (register_edge_assert_for_1): Likewise.
17657         (register_edge_assert_for): Likewise.
17658         (finish_register_edge_assert_for): New helper actually registering
17659         asserts where live on edge.
17660         (find_conditional_asserts): Adjust.
17661         (find_switch_asserts): Likewise.
17662         (evrp_dom_walker::try_find_new_range): Generalize.
17663         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
17664
17665 2017-04-27  Marek Polacek  <polacek@redhat.com>
17666
17667         PR sanitizer/80349
17668         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
17669         arg10 and arg11 to itype.
17670
17671 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
17672
17673         * doc/extend.texi (Object Size Checking): Improve grammar.
17674
17675 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
17676
17677         PR target/80530
17678         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
17679         that the logic for permitting reciprocal estimates matches that
17680         in use_rsqrt_p.
17681
17682 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17683
17684         PR c++/80534
17685         * tree.c (type_cache_hasher::equal): Only compare
17686         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
17687         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
17688         non-aggregate element types.
17689         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
17690         about the flag on ARRAY_TYPEs in the comment, formatting fix.
17691
17692 2017-04-27  Richard Biener  <rguenther@suse.de>
17693
17694         PR middle-end/80533
17695         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
17696         stripping ARRAY_REFs from MEM_EXPR make sure we're not
17697         keeping a reference to a trailing array.
17698
17699 2017-04-27  Richard Biener  <rguenther@suse.de>
17700
17701         PR middle-end/80539
17702         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
17703         being in loop-closed SSA form conservatively.
17704         (chrec_fold_multiply_poly_poly): Likewise.
17705
17706 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
17707
17708         PR middle-end/79665
17709         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
17710         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
17711
17712 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17713
17714         PR target/77728
17715         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
17716         (aarch64_function_arg_alignment): Return unsigned int again, but still
17717         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
17718         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17719         Don't emit -Wpsabi note.
17720         (aarch64_function_arg_boundary): Likewise.
17721         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17722         caller.
17723
17724 2017-04-26  Nathan Sidwell  <nathan@acm.org>
17725
17726         * tree.h (crc32_unsigned_n): Declare.
17727         (crc32_unsigned, crc32_unsigned): Make inline.
17728         * tree.c (crc32_unsigned_bits): Replace with ...
17729         (crc32_unsigned_n): ... this.
17730         (crc32_unsigned, crc32_byte): Remove.
17731         (crc32_string): Remove unnecessary braces.
17732
17733 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17734
17735         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
17736         * ipa-inline-analysis.c (MAX_TIME): Remove.
17737         (account_size_time): Use sreal for time.
17738         (dump_inline_summary): Update.
17739         (estimate_function_body_sizes): Update.
17740         (estimate_edge_size_and_time): Update.
17741         (estimate_calls_size_and_time): Update.
17742         (estimate_node_size_and_time): Update.
17743         (inline_merge_summary): Update.
17744         (inline_update_overall_summary): Update.
17745         (estimate_time_after_inlining): Update.
17746         (inline_read_section): Update.
17747         (inline_write_summary): Update.
17748         * ipa-inline.c (compute_uninlined_call_time): Update.
17749         (compute_inlined_call_time): Update.
17750         (recursive_inlining): Update.
17751         (inline_small_functions): Update.
17752         (dump_overall_stats): Update.
17753         * ipa-inline.h: Include sreal.h.
17754         (size_time_entry): Turn time to sreal.
17755         (inline_summary): Turn self_time nad time to sreal.
17756
17757 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17758
17759         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
17760         data-streamer.h
17761         (sreal::stream_out, sreal::stream_in): New.
17762         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
17763
17764 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17765
17766         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
17767         environment.
17768
17769 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
17770
17771         PR target/70799
17772         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
17773         Handle ASHIFTRT.
17774         (dimode_scalar_chain::compute_convert_gain): Ditto.
17775         (dimode_scalar_chain::make_vector_copies): Ditto.
17776         (dimode_scalar_chain::convert_reg): Ditto.
17777         (dimode_scalar_chain::convert_insn): Ditto.
17778         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
17779         (VI248_AVX512BW_1): New mode iterator.
17780         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
17781         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
17782         mode iterator.
17783
17784 2017-04-25  Martin Sebor  <msebor@redhat.com>
17785
17786         PR tree-optimization/80497
17787         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
17788         constants are representable in HOST_WIDE_INT.
17789         (parse_directive): Ditto.
17790
17791 2017-04-25  Martin Sebor  <msebor@redhat.com>
17792
17793         PR bootstrap/80486
17794         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
17795         (new_zero_array): Adjust signature.
17796         (dom_info::dom_init): Used unsigned rather that size_t.
17797         (dom_info::dom_info): Same.
17798
17799 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17800             Jakub Jelinek  <jakub@redhat.com>
17801
17802         PR target/77728
17803         * config/arm/arm.c: Include gimple.h.
17804         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17805         returns negative, increment ncrn only if it returned positive.
17806         (arm_needs_doubleword_align): Return int instead of bool,
17807         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
17808         members, but if there is any such non-FIELD_DECL
17809         > PARM_BOUNDARY aligned decl, return -1 instead of false.
17810         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17811         returns negative, increment nregs only if it returned positive.
17812         (arm_setup_incoming_varargs): Likewise.
17813         (arm_function_arg_boundary): Emit -Wpsabi note if
17814         arm_needs_doubleword_align returns negative, return
17815         DOUBLEWORD_ALIGNMENT only if it returned positive.
17816
17817 2017-04-25  Marek Polacek  <polacek@redhat.com>
17818
17819         PR sanitizer/80349
17820         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
17821         first argument to type.
17822
17823 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
17824
17825         PR target/80482
17826         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
17827         type checks to test for compatibility instead of equality.
17828
17829 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17830             Jakub Jelinek  <jakub@redhat.com>
17831
17832         PR target/77728
17833         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
17834         type.
17835         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
17836         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
17837         the alignment computation, but return their maximum in warn_alignment.
17838         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17839         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
17840         is smaller.
17841         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
17842         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17843         caller.
17844
17845 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17846
17847         * config/arc/simdext.md (dmpyh): Fix typo.
17848
17849 2017-04-25  Richard Biener  <rguenther@suse.de>
17850
17851         PR tree-optimization/80492
17852         * alias.c (compare_base_decls): Handle registers with asm
17853         specification conservatively.
17854         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17855         compare_base_decls returning dont-know properly.
17856
17857 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17858
17859         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
17860         (legitimate_offset_address_p): New function.
17861         (arc_legitimate_address_p): Use above function.
17862
17863 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17864
17865         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
17866
17867 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17868
17869         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
17870         ACCH registers whenever they are available.
17871
17872 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17873
17874         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
17875         double regs fix when not used.
17876
17877 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17878
17879         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
17880         core registers.
17881         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
17882         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
17883
17884 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17885
17886         * config/arc/arc.c (arc_output_addsi): Check for h-register class
17887         when emitting short ADD instructions.
17888
17889 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17890
17891         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
17892         constraint.
17893         (cmpsi_cc_c_insn): Likewise.
17894         (cbranchsi4_scratch): Compute proper instruction length using
17895         compact_hreg_operand.
17896         * config/arc/predicates.md (compact_hreg_operand): New predicate.
17897
17898 2017-04-25  Richard Biener  <rguenther@suse.de>
17899
17900         PR middle-end/80509
17901         * passes.c (pass_manager::pass_manager): Initialize
17902         m_name_to_pass_map.
17903
17904 2017-04-25  Richard Biener  <rguenther@suse.de>
17905
17906         PR tree-optimization/79201
17907         * tree-ssa-sink.c (statement_sink_location): Handle calls.
17908
17909 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17910
17911         PR target/80464
17912         * config/s390/vector.md: Split MEM->GPR vector moves for
17913         non-s_operand addresses.
17914
17915 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17916
17917         PR target/79895
17918         * config/s390/predicates.md (reload_const_wide_int_operand): New
17919         predicate.
17920         * config/s390/s390.md ("movti"): Remove d/P alternative.
17921         ("movti_bigconst"): New pattern definition.
17922
17923 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17924
17925         PR target/80080
17926         * s390-protos.h (s390_expand_cs_hqi): Removed.
17927         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
17928         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
17929         modes as well as CCZ1mode and CCZmode.
17930         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
17931         signature of s390_emit_compare_and_swap.
17932         (s390_expand_cs_hqi): Likewise, make static.
17933         (s390_expand_cs_tdsi): Generate an explicit compare before trying
17934         compare-and-swap, in some cases.
17935         (s390_expand_cs): Wrapper function.
17936         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
17937         atomic_exchange.
17938         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
17939         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
17940         patterns for small and large integers.  Forbid symref memory operands.
17941         Move expander to s390.c.  Require cc register.
17942         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
17943         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
17944         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
17945         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
17946         symref memory operands.  Remove CC mode and call s390_match_ccmode
17947         instead.
17948         ("atomic_exchange<mode>"): Allow and implement all integer modes.
17949
17950 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17951
17952         * config/s390/s390.md (define_peephole2): New peephole to help
17953         combining the load-and-test pattern with volatile memory.
17954
17955 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17956
17957         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
17958         with CCZmode for TARGET_Z196.
17959
17960 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17961
17962         PR rtl-optimization/80501
17963         * combine.c (make_compound_operation_int): Set subreg_code to SET
17964         even for AND with mask of the sign bit of mode.
17965
17966         PR rtl-optimization/80500
17967         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
17968         sum's initial value.
17969
17970 2017-04-25  Julian Brown  <julian@codesourcery.com>
17971             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17972
17973         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
17974
17975 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
17976
17977         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
17978
17979 2017-04-25  Julian Brown  <julian@codesourcery.com>
17980             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17981
17982         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
17983         (thunderx2t99_sha): New Reservation.
17984
17985 2017-04-25  Julian Brown  <julian@codesourcery.com>
17986             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17987
17988         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
17989         type for 1-element load.
17990
17991 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
17992
17993         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
17994
17995 2017-04-24  Martin Jambor  <mjambor@suse.cz>
17996
17997         PR tree-optimization/80293
17998         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
17999         char arrays not totally scalarizable if it is false.
18000         (analyze_all_variable_accesses): Pass correct value in the new
18001         parameter.  Add a statistics counter.
18002
18003 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
18004
18005         PR middle-end/79931
18006         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
18007
18008 2017-04-24  Richard Biener  <rguenther@suse.de>
18009
18010         PR tree-optimization/80494
18011         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
18012         out for complex types.
18013
18014 2017-04-24  Richard Biener  <rguenther@suse.de>
18015
18016         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
18017         * tree-ssa-sccvn.c (print_scc): Print SCC size.
18018         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
18019         (DFS): Adjust and never fail.
18020         (sccvn_dom_walker::fail): Remove.
18021         (sccvn_dom_walker::before_dom_children): Adjust.
18022         (run_scc_vn): Likewise and never fail.
18023         * tree-ssa-pre.c (pass_pre::execute): Adjust.
18024         (pass_fre::execute): Likewise.
18025
18026 2017-04-24  Richard Biener  <rguenther@suse.de>
18027
18028         PR tree-optimization/79725
18029         * tree-ssa-sink.c (statement_sink_location): Return whether
18030         failure reason was zero uses.  Move that check later.
18031         (sink_code_in_bb): Deal with zero uses by removing the stmt
18032         if possible.
18033
18034 2017-04-24  Richard Biener  <rguenther@suse.de>
18035
18036         PR c++/2972
18037         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
18038         pointer-based references.
18039
18040 2017-04-24  Richard Biener  <rguenther@suse.de>
18041
18042         PR bootstrap/79814
18043         * pass_manager.h (pass_manager::operator new): Remove.
18044         (pass_manager::operator delete): Likewise.
18045         * passes.c (pass_manager::operator new): Remove.
18046         (pass_manager::operator delete): Likewise.
18047         (pass_manager::pass_manager): Zero individual pass members.
18048
18049 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
18050
18051         PR target/70799
18052         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
18053         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
18054         Check "XEXP (src, 1)" operand here.
18055         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
18056         Check "XEXP (src, 1)" operand here.
18057         (dimode_scalar_chain::make_vector_copies): Detect count register
18058         of a shift instruction.  Zero extend count register from QImode
18059         to DImode to satisfy vector shift pattern count operand predicate.
18060         Substitute vector shift count operand with a DImode copy.
18061         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
18062         vector register.
18063
18064 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
18065
18066         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
18067         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18068         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
18069         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18070         (UNSPEC_NOREX_MEM): Remove definition.
18071
18072 2017-04-21  Richard Biener  <rguenther@suse.de>
18073
18074         PR tree-optimization/79547
18075         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
18076         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
18077         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
18078         without any constraints.
18079
18080 2017-04-21  Richard Biener  <rguenther@suse.de>
18081
18082         PR tree-optimization/78847
18083         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
18084
18085 2017-04-21  Richard Biener  <rguenther@suse.de>
18086
18087         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
18088         (build_distinct_type_copy): Likewise.
18089         (build_variant_type_copy): Likewise.
18090         * tree.c (build_qualified_type): Pass down mem-stat info.
18091         (build_distinct_type_copy): Likewise.
18092         (build_variant_type_copy): Likewise.
18093
18094 2017-04-21  Richard Biener  <rguenther@suse.de>
18095
18096         PR tree-optimization/80237
18097         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
18098         defaulted to NULL.
18099         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
18100         for a simplified result.
18101
18102 2016-04-21  Richard Biener  <rguenther@suse.de>
18103
18104         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
18105         sth as strict as a simple_iv but a chrec without symbols and an
18106         operand defined in the loop we are peeling (and not some subloop).
18107         (propagate_constants_for_unrolling): Propagate all constants.
18108
18109 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18110
18111         PR target/79804
18112         * config/i386/i386.c (print_reg): Remove assert for disalowed
18113         regno values, call output_operand_lossage instead.
18114
18115 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18116
18117         PR target/78090
18118         * config/i386/constraints.md (Yc): New register constraint.
18119         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
18120         Use Yc constraint for alternative 2 of operand 0.  Remove
18121         preferred_for_speed attribute.
18122
18123 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18124
18125         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
18126         lastprivate clauses in SIMT case.
18127
18128 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
18129
18130         * doc/invoke.texi (-Wextra-semi): Document new warning option.
18131
18132 2017-04-20  Richard Biener  <rguenther@suse.de>
18133
18134         PR tree-optimization/57796
18135         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
18136         as N scalar stores.
18137         (vect_model_load_cost): Cost gathers as N scalar loads.
18138
18139 2017-04-20  Richard Biener  <rguenther@suse.de>
18140
18141         * ggc-page.c (ggc_allocated_p): Rename to ...
18142         (safe_lookup_page_table_entry): ... this and return the lookup
18143         result.
18144         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
18145
18146 2017-04-20  Richard Biener  <rguenther@suse.de>
18147
18148         PR tree-optimization/80453
18149         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
18150         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
18151         from the conditions.
18152         (vn_phi_eq): Pass them down.
18153         (vn_phi_lookup): Record them.
18154         (vn_phi_insert): Likewise.
18155
18156 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
18157
18158         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
18159         uninitialized variable warning to avoid buffer overrun.
18160
18161 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18162
18163         PR other/71250
18164         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
18165         is suppressed for '{ 0 }' in C.
18166
18167 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18168
18169         * BASE-VER: Set to 8.0.0.
18170
18171 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18172
18173         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
18174         priority .init_array and .fini_array section with SECTION_NOTYPE
18175         flag.
18176
18177 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18178
18179         PR middle-end/80423
18180         * tree.h (build_array_type): Add typeless_storage default argument.
18181         * tree.c (type_cache_hasher::equal): Also compare
18182         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
18183         (build_array_type): Add typeless_storage argument, set
18184         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
18185         recursive call.
18186         (build_nonshared_array_type): Adjust build_array_type_1 caller.
18187         (build_array_type): Likewise.  Add typeless_storage argument.
18188
18189 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18190             Jakub Jelinek  <jakub@redhat.com>
18191
18192         PR tree-optimization/80426
18193         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
18194         operation on symbolic operands, also compute the overflow for the
18195         invariant part when the operation degenerates into a negation.
18196
18197 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
18198
18199         PR debug/80461
18200         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
18201         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
18202
18203         PR debug/80436
18204         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
18205
18206 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
18207
18208         PR target/80462
18209         * config/avr/avr.c (tree.h): Include it.
18210         (cgraph.h): Include it.
18211         (avr_encode_section_info): Don't warn for uninitialized progmem
18212         variable if it's just an alias.
18213
18214 2017-04-19  Richard Biener  <rguenther@suse.de>
18215
18216         PR ipa/65972
18217         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
18218         when needed by AutoPGO.
18219
18220 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
18221
18222         PR lto/50345
18223         * doc/lto.texi: Remove an extra 'that'.
18224
18225 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
18226
18227         PR rtl-optimization/80429
18228         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
18229         are only used in debug insns.
18230
18231 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18232             Vladimir Makarov  <vmakarov@redhat.com>
18233
18234         * config/sparc/predicates.md (input_operand): Add comment.  Return
18235         true for any memory operand when LRA is in progress.
18236         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
18237
18238 2017-04-18  Jeff Law  <law@redhat.com>
18239
18240         PR target/74563
18241         * mips.md ({return,simple_return}_internal): Do not overwrite
18242         operands[0].
18243
18244 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18245
18246         PR tree-optimization/80443
18247         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
18248         instead of adding 1, subtract -1 and similarly instead of subtracting
18249         1 add -1.
18250
18251 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
18252
18253         PR rtl-optimization/80357
18254         * haifa-sched.c (tmp_bitmap): New variable.
18255         (model_recompute): Handle duplicate use records.
18256         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
18257         (free_global_sched_pressure_data): Free it.
18258
18259 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18260
18261         Revert:
18262         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18263         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
18264         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
18265         instead of SYSTEM_HEADER_DIR.
18266
18267 2017-04-18  Jeff Law  <law@redhat.com>
18268
18269         PR middle-end/80422
18270         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
18271         predecessors after walking up the insn chain.
18272
18273 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18274
18275         PR debug/80263
18276         * dwarf2out.c (modified_type_die): Try harder not to emit internal
18277         sizetype type into debug info.
18278
18279 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
18280
18281         PR target/80099
18282         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
18283         unneeded test for TARGET_UPPER_REGS_SF.
18284         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
18285
18286 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18287
18288         PR sanitizer/80444
18289         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
18290         instead of gsi_after_labels.
18291
18292 2017-04-18  Jeff Law  <law@redhat.com>
18293
18294         * regcprop.c (maybe_mode_change): Avoid creating copies of the
18295         stack pointer.
18296
18297         Revert:
18298         2017-04-13  Jeff Law  <law@redhat.com>
18299         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18300         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18301
18302 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
18303
18304         PR target/79453
18305         * config/avr/avr.c (intl.h): Include it.
18306         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
18307
18308 2017-04-18  Martin Liska  <mliska@suse.cz>
18309
18310         PR gcov-profile/78783
18311         * gcov-tool.c (gcov_output_files): Validate that destination
18312         file is either removed by the tool or by a user.
18313
18314 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18315             Guy Benyei  <guybe@mellanox.com>
18316
18317         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
18318         block, and do not negate it, the stored id is already negative.
18319
18320 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18321
18322         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
18323
18324 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
18325
18326         PR target/80098
18327         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
18328         masks of options that should be turned off if the VSX vector
18329         options are turned off.
18330         (OTHER_P8_VECTOR_MASKS): Likewise.
18331         (OTHER_VSX_VECTOR_MASKS): Likewise.
18332         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
18333         rs6000_disable_incompatible_switches to validate no type switches
18334         like -mvsx.
18335         (rs6000_incompatible_switch): New function to disallow turning on
18336         other vector options if -mno-vsx, -mno-power8-vector, or
18337         -mno-power9-vector are specified.
18338
18339 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18340
18341         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
18342
18343 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18344
18345         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
18346         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
18347         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
18348         (ARG_POINTER_CFA_OFFSET): Likewise.
18349
18350 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18351
18352         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
18353         conditions to take advantage of various optimizations.
18354
18355 2017-04-13  Jeff Law  <law@redhat.com>
18356
18357         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18358         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18359         (zero_extendsidi2_dext): Likewise.
18360
18361 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18362
18363         PR sanitizer/80403
18364         * fold-const.c (fold_ternary_loc): Revert
18365         use op0 instead of fold_convert_loc (loc, type, arg0) part of
18366         2017-04-12 change.
18367
18368 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
18369
18370         PR rtl-optimization/80343
18371         * lra-remat.c (update_scratch_ops): Assign original hard reg to
18372         new scratch pseudo.
18373
18374 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
18375
18376         PR sanitizer/80414
18377         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
18378         to ubsan_encode_value.
18379
18380 2017-04-13  Jeff Law  <law@redhat.com>
18381
18382         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
18383         appearing in DEBUG_INSNs.
18384
18385 2017-04-13  Martin Liska  <mliska@suse.cz>
18386
18387         PR gcov-profile/80413
18388         * gcov-io.c (gcov_write_string): Copy to buffer just when
18389         allocated size is greater than zero.
18390
18391 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18392
18393         PR debug/80321
18394         * dwarf2out.c (decls_for_scope): Ignore declarations of
18395         current_function_decl in BLOCK_NONLOCALIZED_VARS.
18396
18397 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
18398
18399         PR lto/69953
18400         * ipa-visibility.c (non_local_p): Fix typos.
18401         (localize_node): When localizing symbol in same comdat group,
18402         dissolve the group only when we know external symbols are going
18403         to be privatized.
18404         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
18405
18406 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18407
18408         PR tree-optimization/79390
18409         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
18410         order does not result in usable sequence, retry with reversed operand
18411         order.
18412
18413         PR sanitizer/80403
18414         PR sanitizer/80404
18415         PR sanitizer/80405
18416         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
18417         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
18418         op0 instead of fold_convert_loc (loc, type, arg0).
18419
18420 2017-04-12  Jeff Law  <law@redhat.com>
18421
18422         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
18423         has a delay slot in the generated code.
18424
18425         * config/cris/cris.md (cris_preferred_reload_class): Return
18426         GENNONACR_REGS rather than GENERAL_REGS.
18427
18428 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18429
18430         PR c/80163
18431         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
18432         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
18433         signedness of the result type.
18434
18435 2017-04-12  Richard Biener  <rguenther@suse.de>
18436             Jeff Law  <law@redhat.com>
18437
18438         PR tree-optimization/80359
18439         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
18440         trim stores to TARGET_MEM_REFs.
18441
18442 2017-04-12  Richard Biener  <rguenther@suse.de>
18443
18444         PR tree-optimization/79390
18445         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
18446         threading case even more.
18447
18448 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
18449
18450         PR target/80382
18451         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
18452         for quad_address_p for TImode, instead of just not indexed_address.
18453
18454 2017-04-12  Richard Biener  <rguenther@suse.de>
18455             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18456
18457         PR middle-end/79671
18458         * alias.c (component_uses_parent_alias_set_from): Handle
18459         TYPE_TYPELESS_STORAGE.
18460         (get_alias_set): Likewise.
18461         * tree-core.h (tree_type_common): Add typeless_storage flag.
18462         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
18463         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
18464         for types containing members with TYPE_TYPELESS_STORAGE.
18465         (place_field): Likewise.
18466         (layout_type): Likewise for ARRAY_TYPE.
18467         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
18468         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
18469         TYPE_TYPELESS_STORAGE.
18470         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
18471
18472 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18473
18474         PR sanitizer/80349
18475         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18476         first argument to type.
18477
18478 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18479
18480         PR target/80376
18481         PR target/80315
18482         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
18483         CONST0_RTX (mode) rather than const0_rtx where appropriate.
18484         (rs6000_expand_binop_builtin): Likewise.
18485         (rs6000_expand_ternop_builtin): Likewise; also add missing
18486         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
18487         vshasigma built-ins.
18488         * doc/extend.texi: Document that vec_xxpermdi's third argument
18489         must be a constant.
18490
18491 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
18492
18493         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
18494         Use shift_const cost parameter when calculating gain of STV shifts.
18495
18496 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
18497
18498         PR rtl-optimization/70478
18499         * lra-constraints.c (process_alt_operands): Check memory for
18500         disfavoring memory insn operand.
18501
18502 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18503
18504         PR middle-end/80100
18505         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
18506         left shift in unsigned HOST_WIDE_INT type.
18507
18508         PR rtl-optimization/80385
18509         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
18510         (not (neg X)) into (plus X -1) for complex or non-integral modes.
18511
18512         PR libgomp/80394
18513         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
18514         if they have any depend clauses.
18515
18516 2017-04-11  Martin Liska  <mliska@suse.cz>
18517
18518         PR ipa/80212
18519         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
18520         * ipa-split.c (split_function): Create a local comdat symbol
18521         if caller is in a comdat group.
18522
18523 2017-04-11  Martin Liska  <mliska@suse.cz>
18524
18525         PR ipa/80212
18526         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
18527         flags.
18528
18529 2017-04-11  Martin Sebor  <msebor@redhat.com>
18530
18531         PR middle-end/80364
18532         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
18533         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
18534         for INTEGER_TYPE.
18535         (directive::set_width, directive::set_precision, format_character):
18536         Adjust.
18537         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
18538         INTEGER_TYPE.
18539
18540 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
18541
18542         PR target/80389
18543         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
18544         conflict, set target->arch_name instead of target->cpu_name.
18545
18546 2017-04-11  Richard Biener  <rguenther@suse.de>
18547
18548         PR tree-optimization/80374
18549         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
18550         build_zero_cst, remove fold_convertible_p check again.
18551
18552 2017-04-11  Martin Liska  <mliska@suse.cz>
18553
18554         PR sanitizer/70878
18555         * ubsan.c (instrument_object_size): Do not instrument register
18556         variables.
18557
18558 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18559
18560         PR target/80381
18561         * config/i386/i386-builtin-types.def
18562         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
18563         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
18564         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
18565         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
18566         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
18567         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
18568         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
18569         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
18570         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
18571         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
18572         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
18573         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
18574         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
18575         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
18576         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
18577         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
18578         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
18579         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
18580         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
18581         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
18582         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
18583         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
18584         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
18585         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
18586         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
18587         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
18588         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
18589         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
18590         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
18591         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
18592         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
18593         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
18594         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
18595         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
18596         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
18597         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
18598         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
18599         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
18600         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
18601         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
18602         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
18603         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
18604         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
18605         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
18606         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
18607         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
18608         aliases.
18609         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
18610         flag to second_arg_count, handle 4 argument function type _COUNT
18611         aliases, handle second_arg_count on second argument rather than last.
18612
18613 2017-04-10  Jeff Law  <law@redhat.com>
18614
18615         PR tree-optimization/80374
18616         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
18617         record anything if we can not convert integer_zero_node to the
18618         desired type.
18619
18620 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18621
18622         PR target/80108
18623         * config/rs6000/rs6000.c (rs6000_option_override_internal):
18624         Enhance special handling given to the TARGET_P9_MINMAX option in
18625         relation to certain other options.
18626
18627 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
18628
18629         PR tree-optimization/80153
18630         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
18631         remove POINTER_PLUS_EXPR's base part directly, rather than through
18632         aff_tree.
18633
18634 2017-04-10  Richard Biener  <rguenther@suse.de>
18635             Bin Cheng  <bin.cheng@arm.com>
18636
18637         PR tree-optimization/80153
18638         * tree-affine.c (aff_combination_to_tree): Get base pointer from
18639         the first element of pointer type aff_tree.  Build result expr in
18640         aff_tree's type.
18641         (add_elt_to_tree): Convert to type unconditionally.  Remove other
18642         fold_convert calls.
18643         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
18644         (rewrite_use_nonlinear_expr): Check invariant using iv information.
18645
18646 2017-04-10  Richard Biener  <rguenther@suse.de>
18647
18648         * tree-ssa-structalias.c (find_func_aliases): Properly handle
18649         asm inputs.
18650
18651 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
18652
18653         PR rtl-optimization/70478
18654         * lra-constraints.c (curr_small_class_check): New.
18655         (update_and_check_small_class_inputs): New.
18656         (process_alt_operands): Update curr_small_class_check.  Disfavor
18657         alternative insn memory operands.  Check available regs for small
18658         class operands.
18659
18660 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18661
18662         PR target/80057
18663         * config/mips/mips.opt (-mvirt): Update description.
18664         * doc/invoke.texi (-mvirt): Likewise.
18665
18666 2017-04-10  Richard Biener  <rguenther@suse.de>
18667
18668         PR middle-end/80362
18669         * fold-const.c (fold_binary_loc): Look at unstripped ops when
18670         looking for NEGATE_EXPR in -A / -B to A / B folding.
18671
18672 2017-04-10  Martin Liska  <mliska@suse.cz>
18673
18674         PR gcov-profile/80224
18675         * gcov.c (print_usage): Fix usage string.
18676         (get_gcov_intermediate_filename): Remove.
18677         (output_gcov_file): Use both for normal and intermediate format.
18678         (generate_results): Do not initialize special file for
18679         intermediate format.
18680
18681 2017-04-10  Richard Biener  <rguenther@suse.de>
18682
18683         PR tree-optimization/80304
18684         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
18685         for safelen.
18686
18687 2017-04-10  Nathan Sidwell  <nathan@acm.org>
18688
18689         PR target/79905
18690         * config/rs6000/rs6000.c (rs6000_vector_type): New.
18691         (rs6000_init_builtins): Use it.
18692
18693 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18694
18695         * config/arm/arm.md (<mrc>): Add mode to SET source.
18696         (<mrrc>): Likewise.
18697
18698 2017-04-10  Richard Biener  <rguenther@suse.de>
18699
18700         PR middle-end/80344
18701         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
18702
18703 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
18704
18705         PR target/80324
18706         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
18707         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
18708         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
18709         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
18710         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
18711         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
18712         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
18713         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
18714         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
18715         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
18716         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
18717         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
18718         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
18719         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
18720         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
18721         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
18722         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
18723         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
18724         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
18725         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
18726         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
18727         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
18728         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
18729
18730 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
18731
18732         PR rtl-optimization/70478
18733         * lra-constraints.c: Reverse the last patch.
18734
18735 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
18736
18737         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
18738         Add comment for WCHAR_T.
18739
18740 2017-04-08  Martin Liska  <mliska@suse.cz>
18741
18742         Revert:
18743         2017-04-07  Martin Liska  <mliska@suse.cz>
18744
18745         PR ipa/80212
18746         * ipa-split.c (split_function): Add function part to a same comdat
18747         group.
18748
18749 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18750
18751         PR target/80358
18752         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
18753
18754 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
18755
18756         * rs6000/rs6000.c (vec_load_pendulum): Rename...
18757         (vec_pairing): ...to this.
18758         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
18759         (rs6000_sched_init): Adjust for name change.
18760         (struct rs6000_sched_context): Likewise.
18761         (rs6000_init_sched_context): Likewise.
18762         (rs6000_set_sched_context): Likewise.
18763
18764 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
18765
18766         PR target/80322
18767         PR target/80323
18768         PR target/80325
18769         PR target/80326
18770         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
18771         intrinsics.
18772         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
18773         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
18774         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
18775
18776 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
18777
18778         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
18779
18780 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18781
18782         PR rtl-optimization/70703
18783         * ira-color.c (update_conflict_hard_regno_costs): Use
18784         int64_t instead of HOST_WIDE_INT.
18785
18786 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18787
18788         PR rtl-optimization/70478
18789         * lra-constraints.c (process_alt_operands): Disfavor alternative
18790         insn memory operands.
18791
18792 2017-04-07  Jeff Law  <law@redhat.com>
18793
18794         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
18795         CALL and NOTE_INSN_CALL_ARG_LOCATION.
18796
18797 2017-04-07  Martin Liska  <mliska@suse.cz>
18798
18799         PR target/79889
18800         * config/aarch64/aarch64.c (aarch64_process_target_attr):
18801         Show error message instead of an ICE.
18802
18803 2017-04-07  Martin Liska  <mliska@suse.cz>
18804
18805         PR ipa/80212
18806         * ipa-split.c (split_function): Add function part to a same comdat
18807         group.
18808
18809 2017-04-07  Richard Biener  <rguenther@suse.de>
18810
18811         PR middle-end/80341
18812         * tree.c (get_unwidened): Also handle ! for_type case for
18813         INTEGER_CSTs.
18814         * convert.c (do_narrow): Split out from ...
18815         (convert_to_integer_1): ... here.  Do not pass final truncation
18816         type to get_unwidened for TRUNC_DIV_EXPR.
18817
18818 2017-04-07  Richard Biener  <rguenther@suse.de>
18819
18820         * tree-affine.c (wide_int_ext_for_comb): Take type rather
18821         than aff_tree.
18822         (aff_combination_const): Adjust.
18823         (aff_combination_scale): Likewise.
18824         (aff_combination_add_elt): Likewise.
18825         (aff_combination_add_cst): Likewise.
18826         (aff_combination_convert): Likewise.
18827         (add_elt_to_tree): Likewise.  Remove unused argument.
18828         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
18829
18830 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
18831
18832         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
18833         definition.
18834         * config/arm/arm.c (arm_default_short_enums): Use
18835         ARM_DEFAULT_SHORT_ENUMS.
18836         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
18837
18838 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
18839
18840         PR debug/80234
18841         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
18842         members with redundant out-of-class redeclaration.
18843
18844 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18845
18846         PR target/80286
18847         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
18848         * config/i386/i386.md (*zero_extendsidi2):
18849         Add (?*x,*x) and (?*v,*v) alternatives.
18850
18851 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18852
18853         PR target/79733
18854         * config/i386/i386.c (ix86_expand_builtin)
18855         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
18856         mode from insn data. Convert operands to insn operand mode.
18857         Copy operands that don't satisfy insn predicate to a register.
18858
18859 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
18860
18861         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
18862         Update comments.
18863
18864 2017-04-06  Richard Biener  <rguenther@suse.de>
18865
18866         PR tree-optimization/80334
18867         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
18868         preserve alignment of accesses.
18869
18870 2017-04-06  Richard Biener  <rguenther@suse.de>
18871
18872         PR tree-optimization/80262
18873         * tree-sra.c (build_ref_for_offset): Preserve address-space
18874         information.
18875         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
18876         Drop useless address-space information on MEM_REF offsets.
18877
18878 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
18879
18880         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
18881
18882 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18883
18884         PR rtl-optimization/70703
18885         * ira-color.c (update_conflict_hard_regno_costs): Use
18886         HOST_WIDE_INT instead of long.
18887
18888 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
18889
18890         PR target/80298
18891         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
18892         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
18893         is not defined.
18894         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
18895         for x86_64 target.  Handle -m3dnowa option.
18896
18897 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18898
18899         PR rtl-optimization/70703
18900         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
18901         (update_conflict_hard_regno_costs): Use long instead of unsigned
18902         arithmetic for cost calculation.
18903
18904 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18905             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18906
18907         PR sanitizer/80308
18908         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
18909         for big endian.
18910
18911 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
18912
18913         PR target/78002
18914         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
18915         ptr_mode with Pmode throughout.
18916         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
18917         into probe_stack_range and use DImode.
18918
18919 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18920
18921         PR target/79890
18922         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
18923         call_eh_return is true.
18924
18925 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18926
18927         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
18928         Initialize last_match_fntype_index.
18929
18930 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18931
18932         PR target/80310
18933         * tree-nvr.c: Include internal-fn.h.
18934         (pass_return_slot::execute): Ignore internal calls without
18935         direct optab.
18936
18937 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18938             Richard Biener  <rguenther@suse.de>
18939
18940         PR c++/80297
18941         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
18942         captures used multiple times, except for the last use.
18943         * generic-match-head.c: Include gimplify.h.
18944
18945 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18946
18947         PR tree-optimization/79390
18948         * target.h (struct noce_if_info): Declare.
18949         * targhooks.h (default_noce_conversion_profitable_p): Declare.
18950         * target.def (noce_conversion_profitable_p): New target hook.
18951         * ifcvt.h (struct noce_if_info): New type, moved from ...
18952         * ifcvt.c (struct noce_if_info): ... here.
18953         (noce_conversion_profitable_p): Renamed to ...
18954         (default_noce_conversion_profitable_p): ... this.  No longer
18955         static nor inline.
18956         (noce_try_store_flag_constants, noce_try_addcc,
18957         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
18958         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
18959         instead of noce_conversion_profitable_p.
18960         * config/i386/i386.c: Include ifcvt.h.
18961         (ix86_option_override_internal): Don't override
18962         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
18963         (ix86_noce_conversion_profitable_p): New function.
18964         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
18965         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
18966         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
18967         * doc/tm.texi: Regenerated.
18968
18969 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18970
18971         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
18972         correction.
18973
18974 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18975
18976         PR target/80307
18977         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
18978         instructions for small multiply cores.
18979
18980 2017-04-04  Jeff Law  <law@redhat.com>
18981
18982         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
18983         added member.
18984         (mips_expand_vec_perm_const): Initialize elements in orig_perm
18985         that are not set by the loop over the elements.
18986
18987 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18988
18989         PR target/80286
18990         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
18991         int mode, convert_modes it to mode as unsigned, otherwise use
18992         lowpart_subreg to mode rather than SImode.
18993         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
18994         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
18995         Use DImode instead of SImode for the shift count operand.
18996         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
18997         Likewise.
18998
18999 2017-04-04  Richard Biener  <rguenther@suse.de>
19000
19001         PR middle-end/80281
19002         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
19003         arithmetic done for the negate or the plus.  Simplify.
19004         (A - (-B) -> A + B): Likewise.
19005         * fold-const.c (split_tree): Make sure to not negate pointers.
19006
19007 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
19008
19009         PR rtl-optimization/60818
19010         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
19011         a compare of comparisons with the thing compared if this results
19012         in a different machine mode.
19013
19014 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
19015
19016         * alias.c (base_alias_check): Fix typo in comment.
19017         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
19018         * cgraphunit.c (symbol_table::compile): Likewise.
19019         * collect2.c (maybe_run_lto_and_relink): Likewise.
19020         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
19021         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
19022         * config/avr/avr.c (avr_map_op_t): Likewise.
19023         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
19024         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
19025         * config/epiphany/epiphany.md (movcc): Likewise.
19026         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
19027         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
19028         Likewise.
19029         * config/mips/mips.c (mips_save_restore_reg): Likewise.
19030         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
19031         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
19032         * config/sh/sh.c (sh_rtx_costs): Likewise.
19033         * fold-const.c (fold_truth_andor): Likewise.
19034         * genautomata.c (collapse_flag): Likewise.
19035         * gengtype.h (struct type::u::s): Likewise.
19036         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
19037         * input.c (FORMAT_AMOUNT): Likewise.
19038         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
19039         (known_aggs_to_agg_replacement_list): Likewise.
19040         * ipa-inline-analysis.c: Likewise.
19041         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
19042         * ipa-polymorphic-call.c
19043         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
19044         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
19045         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
19046         Likewise.
19047         * modulo-sched.c (apply_reg_moves): Likewise.
19048         * omp-expand.c (build_omp_regions_1): Likewise.
19049         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
19050         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
19051         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
19052         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
19053         * value-prof.c: Likewise.
19054         * var-tracking.c (val_reset): Likewise.
19055
19056 2017-04-03  Richard Biener  <rguenther@suse.de>
19057
19058         PR tree-optimization/80275
19059         * fold-const.c (split_address_to_core_and_offset): Handle
19060         POINTER_PLUS_EXPR.
19061
19062 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
19063
19064         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
19065         descriptors is at least equal to that of functions.
19066
19067 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19068
19069         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
19070
19071 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19072
19073         PR target/80250
19074         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
19075         (mov<IMOD4:mode>): New expander.
19076         (*mov<IMOD4:mode>_internal): New insn and split pattern.
19077
19078 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
19079
19080         PR rtl-optimization/79405
19081         * fwprop.c (propagations_left): New variable.
19082         (forward_propagate_into): Decrement it.
19083         (fwprop_init): Initialize it.
19084         (fw_prop): If the variable has reached zero, stop propagating.
19085         (fwprop_addr): Ditto.
19086
19087 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19088
19089         PR debug/79255
19090         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
19091         a FUNCTION_DECL, pass it as decl instead of origin to
19092         process_scope_var.
19093
19094 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
19095
19096         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
19097         string.
19098
19099 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
19100
19101         PR target/80107
19102         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
19103         TARGET_VSX_SMALL_INTEGER.
19104
19105 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19106
19107         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
19108         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
19109
19110 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
19111
19112         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
19113         extraction from odd-numbered MSA register.
19114
19115 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19116
19117         PR middle-end/80173
19118         * expmed.c (store_bit_field_1): Don't attempt to create
19119         a word subreg out of hard registers wider than word if they
19120         have HARD_REGNO_NREGS of 1 for their mode.
19121
19122         PR middle-end/80163
19123         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
19124         conversions to integer types wider than word and pointer.
19125
19126         PR debug/80025
19127         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
19128         (rtx_equal_for_cselib_p): Pass 0 to it.
19129         * cselib.c (cselib_hasher::equal): Likewise.
19130         (rtx_equal_for_cselib_1): Add depth argument.  If depth
19131         is 128, don't look up VALUE locs and punt.  Increment
19132         depth in recursive calls when walking VALUE locs.
19133
19134 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19135
19136         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
19137         (make_gcov_file_name): Use the canonical path name for generating
19138         the MD5 value.
19139         (read_line): Fix handling of files with ascii null bytes.
19140
19141 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
19142
19143         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
19144         to initialise a vector register instead
19145         of using a const_int.
19146
19147 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19148
19149         PR translation/80189
19150         * gimplify.c (omp_default_clause): Use %qs instead of %s in
19151         diagnostic messages.
19152
19153 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
19154
19155         PR target/80246
19156         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
19157         (dfp_diex_<mode>): Update mode of operand 1.
19158         * doc/extend.texi (dxex, dxexq): Document change to return type.
19159         (diex, diexq): Document change to argument type.
19160
19161 2017-03-30  Martin Jambor  <mjambor@suse.cz>
19162
19163         PR ipa/77333
19164         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
19165         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
19166         it reflects the signature changes performed at the callee side.
19167         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
19168         to cgraph_build_function_type_skip_args.
19169         (build_function_decl_skip_args): Adjust call to the above function.
19170
19171 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19172
19173         PR target/80206
19174         * config/i386/sse.md
19175         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
19176         register as dest whenever it is a MEM not rtx_equal_p to the
19177         corresponding dup operand, and when forcing into reg move the
19178         reg into the memory afterwards.
19179         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
19180         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
19181         for the force_reg mode.
19182         (avx512vl_vextractf128<mode>): Use register as dest either
19183         always when a MEM, or when it is a MEM not rtx_equal_p to the
19184         corresponding dup operand, or even not when it is a CONST_VECTOR
19185         depending on the mode and lo vs. hi.
19186         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
19187         parens.
19188         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
19189         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
19190         Likewise.  Require that operands[2] is even.
19191         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
19192         Remove extraneous parens.  Require that operands[2] is a multiple
19193         of 4.
19194         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
19195         operands[0] is a MEM if <mask_applied>, the predicates/constraints
19196         disallow memory then.
19197
19198 2017-03-30  Richard Biener  <rguenther@suse.de>
19199
19200         PR tree-optimization/77498
19201         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
19202         to non-constants over backedges.
19203
19204 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
19205
19206         PR rtl-optimization/80233
19207         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
19208         as last_combined_insn.  Do not test for BARRIER_P separately.
19209
19210 2017-03-29  Andreas Schwab  <schwab@suse.de>
19211
19212         PR ada/80146
19213         * calls.c (prepare_call_address): Convert funexp to Pmode before
19214         copying to temp reg.
19215
19216 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19217
19218         PR tree-optimization/80158
19219         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
19220         Handle possible future case of more than one alternate
19221         interpretation.
19222         (replace_rhs_if_not_dup): Likewise.
19223         (replace_one_candidate): Likewise.
19224
19225 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
19226
19227         PR rtl-optimization/80193
19228         * ira.c (ira): Do not check allocation for LRA.
19229
19230 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
19231
19232         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
19233         (nvptx_output_simt_exit): Declare.
19234         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
19235         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
19236         (init_softstack_frame): Move initialization of crtl->is_leaf to...
19237         (nvptx_declare_function_name): ...here.  Emit declaration of local
19238         memory space buffer for omp_simt_enter insn.
19239         (nvptx_output_unisimt_switch): New.
19240         (nvptx_output_softstack_switch): New.
19241         (nvptx_output_simt_enter): New.
19242         (nvptx_output_simt_exit): New.
19243         * config/nvptx/nvptx.h (struct machine_function): New fields
19244         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
19245         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
19246         (UNSPECV_SIMT_EXIT): Ditto.
19247         (omp_simt_enter_insn): New insn.
19248         (omp_simt_enter): New expansion.
19249         (omp_simt_exit): New insn.
19250         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
19251
19252         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
19253         (expand_GOMP_SIMT_ENTER_ALLOC): New.
19254         (expand_GOMP_SIMT_EXIT): New.
19255         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
19256         (GOMP_SIMT_ENTER_ALLOC): Ditto.
19257         (GOMP_SIMT_EXIT): Ditto.
19258         * target-insns.def (omp_simt_enter): New insn.
19259         (omp_simt_exit): Ditto.
19260         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
19261         simt_dlist.
19262         (lower_rec_simd_input_clauses): Implement SIMT privatization.
19263         (lower_rec_input_clauses): Likewise.
19264         (lower_lastprivate_clauses): Handle SIMT privatization.
19265
19266         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
19267         (ompdevlow_adjust_simt_enter): New.
19268         (find_simtpriv_var_op): New.
19269         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
19270         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
19271
19272         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
19273         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
19274         (copy_decl_for_dup_finish): Ditto.
19275
19276         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
19277
19278 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
19279
19280         PR target/53383
19281         * config/i386/i386.c (ix86_option_override_internal): Always
19282         allow -mpreferred-stack-boundary=3 for 64-bit targets.
19283
19284 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19285
19286         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
19287
19288 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19289
19290         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
19291         mark new edge's irreducible flag accordign to it.
19292         (vect_do_peeling): Check loop preheader edge's irreducible flag
19293         and pass it to function slpeel_add_loop_guard.
19294
19295 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
19296
19297         PR tree-optimization/80218
19298         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
19299         Update block frequencies and counts.
19300
19301 2017-03-28  Richard Biener  <rguenther@suse.de>
19302
19303         PR tree-optimization/78644
19304         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
19305         of a simplification result we may not use it at all.
19306
19307 2017-03-28  Richard Biener  <rguenther@suse.de>
19308
19309         PR ipa/80205
19310         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
19311         without arguments, generate default definition of a SSA name.
19312
19313 2017-03-28  Richard Biener  <rguenther@suse.de>
19314
19315         PR middle-end/80222
19316         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
19317         TYPE_REF_CAN_ALIAS_ALL references.
19318         * fold-const.c (fold_indirect_ref_1): Likewise.
19319
19320 2017-03-28  Martin Liska  <mliska@suse.cz>
19321
19322         PR ipa/80104
19323         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
19324         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
19325
19326 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19327             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
19328
19329         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
19330         (EXTRA_SPECS): Define.
19331         (SUBTARGET_EXTRA_SPECS): Likewise.
19332         (SUBTARGET_CPP_SPEC): Likewise.
19333         * config/arc/elf.h (EXTRA_SPECS): Renamed to
19334         SUBTARGET_EXTRA_SPECS.
19335         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
19336
19337 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19338
19339         * config/arc/simdext.md (vst64_insn): Update pattern.
19340         (vld32wh_insn): Likewise.
19341         (vld32wl_insn): Likewise.
19342         (vld64_insn): Likewise.
19343         (vld32_insn): Likewise.
19344
19345 2017-03-28  Marek Polacek  <polacek@redhat.com>
19346
19347         PR sanitizer/80067
19348         * fold-const.c (fold_comparison): Use protected_set_expr_location
19349         instead of SET_EXPR_LOCATION.
19350
19351 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
19352
19353         * tree.c (add_expr): Avoid name lookup warning.
19354
19355 2017-03-27  Jeff Law  <law@redhat.com>
19356
19357         PR tree-optimization/80216
19358         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
19359         function name.  Limit recursion depth.
19360         (record_temporary_equivalences): Corresponding changes.
19361
19362 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
19363
19364         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
19365         covered first.
19366
19367 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19368
19369         PR target/80102
19370         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
19371         notes.
19372         * cfgcleanup.c (reg_note_cfa_p): New array.
19373         (insns_have_identical_cfa_notes): New function.
19374         (old_insns_match_p): Don't cross-jump in between /f
19375         and non-/f instructions.  If both i1 and i2 are frame related,
19376         verify all CFA notes, their order and content.
19377
19378 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
19379
19380         PR target/78543
19381         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
19382         HImode and SImode with zero extend to DImode to one insn.
19383         (bswap<mode>2_extenddi): Likewise.
19384         (bswapsi2_extenddi): Likewise.
19385         (bswaphi2_extendsi): Likewise.
19386         (bswaphi2): Combine bswap HImode and SImode into one insn.
19387         Separate memory insns from swapping register.
19388         (bswapsi2): Likewise.
19389         (bswap<mode>2): Likewise.
19390         (bswaphi2_internal): Delete, no longer used.
19391         (bswapsi2_internal): Likewise.
19392         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
19393         store, and gpr<-gpr swap insns.
19394         (bswap<mode>2_store): Likewise.
19395         (bswaphi2_reg): Register only splitter, combine with the splitter.
19396         (bswaphi2 splitter): Likewise.
19397         (bswapsi2_reg): Likewise.
19398         (bswapsi2 splitter): Likewise.
19399         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
19400         the insns into load, store, and register/register insns.
19401         (bswapdi2_ldbrx): Likewise.
19402         (bswapdi2_load): Likewise.
19403         (bswapdi2_store): Likewise.
19404         (bswapdi2_reg): Likewise.
19405
19406 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
19407
19408         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
19409         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
19410
19411 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19412
19413         PR target/80103
19414         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
19415         add comments.
19416         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19417         special handling for target option conflicts between dform
19418         options (-mpower9-dform, -mpower9-dform-vector,
19419         -mpower9-dform-scalar) and -mno-direct-move.
19420
19421 2017-03-27  Richard Biener  <rguenther@suse.de>
19422
19423         PR tree-optimization/80181
19424         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
19425
19426 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19427
19428         * config/arc/predicates.md (move_double_src_operand): Replace the
19429         call to move_double_src_operand with a call to address_operand.
19430
19431 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19432
19433         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
19434         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
19435         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
19436
19437 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19438
19439         * config/arc/predicates.md (long_immediate_loadstore_operand):
19440         Consider scaled addresses cases.
19441
19442 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19443
19444         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
19445         restored when in interrupt.
19446         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
19447         doesn't have delay slot.
19448
19449 2017-03-27  Richard Biener  <rguenther@suse.de>
19450
19451         PR ipa/79776
19452         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
19453         inlined thunk clones.
19454
19455 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19456
19457         PR sanitizer/80168
19458         * asan.c (instrument_derefs): Copy over last operand from
19459         original COMPONENT_REF to the new COMPONENT_REF with
19460         DECL_BIT_FIELD_REPRESENTATIVE.
19461         * ubsan.c (instrument_object_size): Likewise.
19462
19463 2017-03-27  Richard Biener  <rguenther@suse.de>
19464
19465         PR tree-optimization/80170
19466         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
19467         sure DR/SCEV didnt fold in constants we do not see when looking
19468         at the reference base alignment.
19469
19470 2017-03-27  Richard Biener  <rguenther@suse.de>
19471
19472         PR middle-end/80171
19473         * gimple-fold.c (fold_ctor_reference): Properly guard against
19474         NULL return value from canonicalize_constructor_val.
19475
19476 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
19477
19478         PR target/80180
19479         * config/i386/i386.c (ix86_expand_builtin)
19480         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
19481         flags reg setting and flags reg using instructions.
19482         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
19483         clobbering instructions to zero extend op2.
19484
19485 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
19486
19487         * doc/install.texi (Configuration) <--with-aix-soname>:
19488         Update link to AIX ld.
19489
19490 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
19491
19492         PR rtl-optimization/80160
19493         PR rtl-optimization/80159
19494         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
19495         reg_alternate_class into account.
19496
19497 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
19498
19499         PR target/80148
19500         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
19501         to consider in curr_insn_transform.
19502
19503 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19504
19505         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
19506         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
19507         and emit_mode_inner.
19508
19509 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19510
19511         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
19512         argument to the overloaded builtin variants.  Use the new flag to
19513         deprecate certain builtin variants.
19514         * config/s390/s390-builtin-types.def: Add new builtin types.
19515         * config/s390/s390-builtins.h: Support new flags field for
19516         overloaded builtins.
19517         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
19518         (s390_macro_to_expand): Enable vector float data type.
19519         (s390_cpu_cpp_builtins_internal): Indicate support of the new
19520         builtins by incrementing the __VEC__ version number.
19521         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
19522         vec_xst.
19523         (s390_resolve_overloaded_builtin): Emit error messages depending
19524         on the builtin flags.
19525         * config/s390/s390.c (s390_expand_builtin): Support additional
19526         flags argument.  Change error message to match the messages
19527         emitted in s390-c.c.
19528         * config/s390/s390.md: New UNSPEC_* constants.
19529         (op_type): Add new instruction types.
19530         * config/s390/vecintrin.h: Add new builtins and test data class
19531         constants.
19532         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
19533         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
19534         (VEC_INEXACT, VEC_NOINEXACT): New constants.
19535         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
19536         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
19537         ("vec_mergel<mode>"): V_HW -> VEC_HW.
19538
19539         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
19540         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
19541         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
19542         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
19543
19544         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
19545         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
19546         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
19547         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
19548
19549         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
19550         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
19551         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
19552         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
19553         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
19554         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
19555         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
19556
19557         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
19558         ("vec_scatter_element<V_HW_4:mode>_DI")
19559         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
19560         ("vec_fpint<mode>", "vflls")
19561         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
19562         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
19563         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
19564         ("*vec_cmphe<mode>_cc"): ... these.
19565
19566         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
19567         mode constant instead of magic value.
19568
19569 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19570
19571         * config/s390/s390.c (s390_expand_vec_compare): Support other
19572         vector floating point modes than just V2DF.
19573         (s390_expand_vcond): Likewise.
19574         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
19575         (s390_cannot_change_mode_class): Prevent mode changes between TF
19576         and V1TF in vector registers.
19577         * config/s390/s390.md (DF, SF): New mode attributes.
19578         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
19579         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
19580         SFmode support for VRs.
19581         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
19582         vector fp modes.
19583         (VFT, VF_HW): New mode iterators.
19584         (vw, sdx): New mode attributes.
19585         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
19586         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
19587         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
19588         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
19589         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
19590         also the new vector floating point modes.  Renaming to ...
19591
19592         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
19593         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
19594         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
19595         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
19596         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
19597         ("vec_unordered<mode>"): ... these.
19598
19599         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
19600         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
19601         ("*vec_extendv2df"): New insn definitions.
19602
19603 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19604
19605         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
19606         ("mulditi3_2", "*muldi3_sign"): New patterns.
19607         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
19608         rename the pattern definition.
19609
19610 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19611
19612         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
19613         expander.
19614         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
19615
19616 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19617
19618         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
19619         instruction if possible.
19620         * config/s390/vector.md (vec_halfnumelts): New mode
19621         attribute.
19622         ("*vec_vllezlf<mode>"): New pattern.
19623
19624 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19625
19626         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
19627         ("popcountv4si2", "popcountv2di2"): Rename to ...
19628         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
19629         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
19630         condition.
19631         ("popcount<mode>2_vxe"): New pattern.
19632
19633 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19634
19635         * common/config/s390/s390-common.c (processor_flags_table): Add
19636         arch12.
19637         * config.gcc: Add arch12.
19638         * config/s390/driver-native.c (s390_host_detect_local_cpu):
19639         Default to arch12 for unknown CPU model numbers.
19640         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
19641         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
19642         PROCESSOR_max sanity check.
19643         * config/s390/s390-opts.h (enum processor_type): Add
19644         PROCESSOR_ARCH12.
19645         * config/s390/s390.c (processor_table): Add arch12.
19646         (s390_expand_builtin): Add check for B_VXE flag.
19647         (s390_issue_rate): Add PROCESSOR_ARCH12.
19648         (s390_get_sched_attrmask): Likewise.
19649         (s390_get_unit_mask): Likewise.
19650         (s390_sched_score): Enable z13 scheduling for arch12.
19651         (s390_sched_reorder): Likewise.
19652         (s390_sched_variable_issue): Likewise.
19653         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
19654         PF_VXE.
19655         (s390_tune_attr): Use z13 scheduling also for arch12.
19656         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
19657         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
19658         (TARGET_VXE_P): New macros.
19659         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
19660         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
19661         * config/s390/s390.opt: Add arch12 as processor_type.
19662
19663 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19664
19665         * config/s390/s390.md
19666         ("fixuns_truncdddi2", "fixuns_trunctddi2")
19667         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
19668         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
19669
19670         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
19671         Rename expanders to ...
19672
19673         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
19674         ("fixuns_truncdddi2_emu"): ... these.
19675
19676         ("fixuns_trunc<mode>si2_emu"): New expander.
19677
19678         ("*fixuns_truncdfdi2_z13"): Rename to ...
19679         ("*fixuns_truncdfdi2_vx"): ... this.
19680
19681 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19682
19683         * config/s390/2964.md: Remove the single element vector compare
19684         instructions which are no longer used.
19685         * config/s390/s390.c (s390_select_ccmode): Remove handling of
19686         vector CCmodes.
19687         (s390_canonicalize_comparison): Remove handling of DFmode
19688         compares.
19689         (s390_expand_vec_compare_scalar): Remove function.
19690         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
19691         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
19692         pattern.
19693         ("*cmp<mode>_ccs"): Add wfcdb instruction.
19694
19695 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19696
19697         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
19698         FP zero.
19699         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
19700         will anyway by matched by mov<mode>_64dfp.
19701
19702 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19703
19704         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
19705         vlef/vstef.  Add missing operand to vleif.
19706
19707 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19708
19709         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
19710         pair for all vector types with 64 bit elements.
19711         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
19712         * config/s390/vector.md (V_HW_64): ... here.
19713         (V_128_NOSINGLE): New mode iterator.
19714         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
19715         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
19716         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
19717         ("*vec_load_pairv2di"): Change to ...
19718         ("*vec_load_pair<mode>"): ... this one.
19719
19720 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19721
19722         * config/s390/constraints.md: Add comments.
19723         (jKK): Reject element sizes > 8 bytes.
19724         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
19725         s_operands.
19726         * config/s390/s390.md: Add the s_operand checks formerly in
19727         s390_split_ok_p to various splitters where they are still
19728         required.
19729         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
19730         for 128 bit vectors.  Plus two splitters.
19731
19732 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19733
19734         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
19735         the file.
19736
19737 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19738
19739         PR target/79893
19740         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
19741         error if the boundary argument is not constant.
19742
19743 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19744
19745         PR rtl-optimization/80112
19746         * loop-doloop.c (doloop_condition_get): Don't check condition
19747         if cmp isn't SET with IF_THEN_ELSE src.
19748
19749 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19750
19751         PR tree-optimization/80158
19752         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
19753         replacing a candidate statement, also replace it for the
19754         candidate's alternate interpretation.
19755         (replace_rhs_if_not_dup): Likewise.
19756         (replace_one_candidate): Likewise.
19757
19758 2017-03-24  Richard Biener  <rguenther@suse.de>
19759
19760         PR tree-optimization/80167
19761         * graphite-isl-ast-to-gimple.c
19762         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
19763         properly.
19764         (translate_isl_ast_to_gimple::get_rename): Likewise.
19765
19766 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19767
19768         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
19769         handling of certain combinations of target options, including the
19770         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
19771         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
19772
19773 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19774
19775         PR target/71436
19776         * config/arm/arm.md (*load_multiple): Add reload_completed to
19777         matching condition.
19778
19779 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19780             Richard Biener  <rguenth@suse.de>
19781
19782         PR tree-optimization/79908
19783         PR tree-optimization/80136
19784         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19785         been cast away, gimplify_and_add suffices.
19786
19787 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
19788
19789         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
19790
19791 2017-03-23  Richard Biener  <rguenther@suse.de>
19792
19793         PR tree-optimization/80032
19794         * gimplify.c (gimple_push_cleanup): Forced unconditional
19795         cleanups still have to go to the conditional_cleanups
19796         sequence.
19797
19798 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
19799
19800         PR tree-optimization/80072
19801         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
19802         to unsigned int.
19803         (next_operand_entry_id): Change type to unsigned int.
19804         (sort_by_operand_rank): Make sure to return the right return value
19805         even if unsigned fields are bigger than INT_MAX.
19806         (struct oecount): Change cnt and id type to unsigned int.
19807         (oecount_hasher::equal): Formatting fix.
19808         (oecount_cmp): Make sure to return the right return value
19809         even if unsigned fields are bigger than INT_MAX.
19810         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
19811
19812         PR c++/80129
19813         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
19814         TREE_READONLY on result if writing it more than once.
19815
19816         PR sanitizer/80110
19817         * doc/invoke.texi (-fsanitize=thread): Document that with
19818         -fnon-call-exceptions atomics are not able to throw
19819         exceptions.
19820
19821         PR sanitizer/80110
19822         * tsan.c: Include tree-eh.h.
19823         (instrument_builtin_call): Call maybe_clean_eh_stmt or
19824         maybe_clean_or_replace_eh_stmt where needed.
19825         (instrument_memory_accesses): Add cfg_changed argument.
19826         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
19827         if it returned true.
19828         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
19829
19830         PR rtl-optimization/63191
19831         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
19832         wrapper function, moved the whole old content into ...
19833         (ix86_delegitimize_address_1): ... this.  New inline function.
19834         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
19835         true as last argument instead of ix86_delegitimize_address.
19836
19837 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19838
19839         * config/aarch64/aarch64.c (generic_branch_cost): Copy
19840         cortexa57_branch_cost.
19841
19842 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19843
19844         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
19845
19846 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19847
19848         PR target/80123
19849         * doc/md.texi (Constraints): Document wA constraint.
19850         * config/rs6000/constraints.md (wA): New.
19851         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
19852         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
19853         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
19854         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
19855
19856 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
19857
19858         PR c++/80029
19859         * gimplify.c (is_oacc_declared): New function.
19860         (oacc_default_clause): Use it to set default flags for acc declared
19861         variables inside parallel regions.
19862         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
19863         declared variables.
19864         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
19865         declare attribute to any decl as necessary.
19866
19867 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19868
19869         PR target/80082
19870         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
19871         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
19872         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
19873         (arm_arch_lpae): This.
19874         * config/arm/arm.c (arm_arch7ve): Rename into ...
19875         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
19876         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
19877         arm_arch_lpae.
19878
19879 2017-03-22  Martin Liska  <mliska@suse.cz>
19880
19881         PR target/79906
19882         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
19883         error message instead of an ICE.
19884
19885 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19886
19887         * doc/extend.texi (6.11 Additional Floating Types): Revise.
19888
19889 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19890
19891         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
19892         comments.
19893         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19894         comments.
19895
19896 2017-03-21  Martin Sebor  <msebor@redhat.com>
19897
19898         * doc/extend.texi: Use "cannot" instead of "can't."
19899         * doc/hostconfig.texi: Same.
19900         * doc/install.texi: Same.
19901         * doc/invoke.texi: Same.
19902         * doc/loop.texi: Same.
19903         * doc/md.texi: Same.
19904         * doc/objc.texi: Same.
19905         * doc/rtl.texi: Same.
19906         * doc/tm.texi: Same.
19907         * doc/tm.texi.in: Same.
19908         * doc/trouble.texi: Same.
19909
19910 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
19911
19912         PR debug/63238
19913         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
19914         (collect_checksum_attributes): Set it.
19915         (die_checksum_ordered): Use it.
19916
19917 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19918
19919         PR tree-optimization/79908
19920         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
19921         change: For a VA_ARG whose LHS has been cast away, use
19922         force_gimple_operand to construct the side effects.
19923
19924 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
19925
19926         PR translation/80001
19927         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
19928         more amenable to translation.
19929         (oacc_loop_auto_partitions): Likewise.
19930
19931 2017-03-21  Marek Polacek  <polacek@redhat.com>
19932             Martin Sebor  <msebor@redhat.com>
19933
19934         PR tree-optimization/80109
19935         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
19936         on INTEGRAL_TYPE_P.
19937
19938 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19939             Segher Boessenkool  <segher@kernel.crashing.org>
19940
19941         PR target/80125
19942         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
19943         check reg_used_between_p between insn and one of succ or succ2
19944         depending on if succ is artificial insn not inserted into insn
19945         stream.
19946
19947 2017-03-21  Martin Liska  <mliska@suse.cz>
19948
19949         PR gcov-profile/80081
19950         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
19951         * doc/gcc.texi: Include gcov-dump stuff.
19952         * doc/gcov-dump.texi: New file.
19953
19954 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
19955
19956         PR rtl-optimization/79150
19957         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
19958         conditional jump, if the jump is the last insn of the loop.
19959
19960 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19961             Richard Biener  <rguenth@suse.de>
19962
19963         PR tree-optimization/79908
19964         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19965         been cast away, use force_gimple_operand to construct the side
19966         effects.
19967
19968 2017-03-21  Martin Liska  <mliska@suse.cz>
19969
19970         PR libfortran/79956
19971         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
19972         to NULL.
19973
19974 2017-03-21  Brad Spengler <spender@grsecurity.net>
19975
19976         PR plugins/80094
19977         * plugin.c (htab_hash_plugin): New function.
19978         (add_new_plugin): Use it and adjust.
19979         (parse_plugin_arg_opt): Adjust.
19980         (init_one_plugin): Likewise.
19981
19982 2017-03-21  Richard Biener  <rguenther@suse.de>
19983
19984         PR tree-optimization/80032
19985         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
19986         if set force the cleanup to happen unconditionally.
19987         (gimplify_target_expr): Push inserted clobbers with force_uncond
19988         to avoid them being removed by control-dependent DCE.
19989
19990 2017-03-21  Richard Biener  <rguenther@suse.de>
19991
19992         PR tree-optimization/80122
19993         * tree-inline.c (copy_bb): Do not expans va-arg packs or
19994         va_arg_pack_len when the inlined call stmt requires pack
19995         expansion itself.
19996         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
19997
19998 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19999
20000         PR sanitizer/78158
20001         * tsan.c (instrument_builtin_call): If the memory model argument
20002         is not a constant, assume it is valid.
20003
20004         PR c/67338
20005         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
20006         avoid UB.
20007
20008 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
20009
20010         PR rtl-optimization/79910
20011         * combine.c (can_combine_p): Do not allow combining an I0 or I1
20012         if its dest is used by an insn before I2 (other than the combined
20013         insns themselves, which are properly handled already).
20014
20015 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
20016
20017         Revert:
20018         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20019
20020         * combine.c (record_used_regs): New static function.
20021         (try_combine): Handle situations where there is an additional
20022         instruction between I2 and I3 which needs to have a LOG_LINK
20023         updated.
20024
20025         Revert:
20026         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20027
20028         * combine.c (try_combine): Delete redundant i1 test.  Call
20029         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20030
20031 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20032
20033         PR target/80083
20034         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
20035         alternatives 13/14.
20036
20037 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20038
20039         PR tree-optimization/80054
20040         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
20041         the optimization if a PHI or any of its arguments is not dominated
20042         by the candidate's basis.  Use gphi* rather than gimple* as
20043         appropriate.
20044         (replace_profitable_candidates): Clean up a gimple* variable that
20045         should be a gphi* variable.
20046
20047 2017-03-20  Martin Sebor  <msebor@redhat.com>
20048
20049         PR c++/52477
20050         * doc/extend.texi (attribute constructor): Document present limitation.
20051
20052 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20053
20054         PR target/79963
20055         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
20056         __POWER9_VECTOR__ #ifdef control, change template definition to
20057         use Power9-specific built-in function.
20058         (vec_any_eq): Likewise.
20059         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
20060         to control outcomes from this test.
20061         (vector_ae_<mode>p): For VEC_F modes, likewise.
20062
20063 2017-03-20  Ian Lance Taylor  <iant@google.com>
20064
20065         * config/i386/i386.c (ix86_function_regparm): Save an extra
20066         register for -fsplit-stack with DECL_STATIC_CHAIN.
20067
20068 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20069
20070         PR target/79912
20071         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
20072         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
20073
20074 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20075
20076         * config/riscv/riscv.c (riscv_print_operand): Use "fence
20077         iorw,ow".
20078         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
20079         iorw,iorw".
20080
20081 2017-03-20  Marek Polacek  <polacek@redhat.com>
20082
20083         PR sanitizer/80063
20084         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
20085
20086 2017-03-20  Richard Biener  <rguenther@suse.de>
20087
20088         PR tree-optimization/80113
20089         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
20090         allocate extra SSA name for PHI def.
20091         (add_close_phis_to_outer_loops): Likewise.
20092         (add_close_phis_to_merge_points): Likewise.
20093         (copy_loop_close_phi_args): Likewise.
20094         (copy_cond_phi_nodes): Likewise.
20095
20096 2017-03-20  Martin Liska  <mliska@suse.cz>
20097
20098         PR middle-end/79753
20099         * tree-chkp.c (chkp_build_returned_bound): Do not build
20100         returned bounds for a LHS that's not a BOUNDED_P type.
20101
20102 2017-03-20  Martin Liska  <mliska@suse.cz>
20103
20104         PR target/79769
20105         PR target/79770
20106         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
20107         COMPLEX_CST and VECTOR_CST.
20108
20109 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20110
20111         PR target/78857
20112         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
20113         target operand.  A new splitter adds the clobber statement in case
20114         the target operand is dead anyway.
20115
20116 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
20117
20118         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
20119         to age-old versions of binutils and glibc.
20120
20121 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
20122
20123         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
20124
20125 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20126
20127         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
20128
20129 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20130
20131         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
20132         requirement for binutils 2.13.
20133
20134 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20135
20136         * combine.c (try_combine): Delete redundant i1 test.  Call
20137         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20138
20139 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
20140
20141         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
20142         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
20143         contents.
20144         <riscv64-*-elf>: Re-arrange section
20145         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
20146         <riscv32-*-linux>: Likewise.
20147         <riscv64-*-elf>: Likewise
20148         <riscv64-*-linux>: Likewise.
20149
20150 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
20151
20152         PR target/80052
20153         * aarch64.opt(verbose-cost-dump): Fix typo.
20154
20155 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
20156
20157         PR target/79951
20158         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
20159         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
20160
20161 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20162
20163         * reload.c (find_reloads): When reloading a nonoffsettable address,
20164         use RELOAD_OTHER for it and its address reloads.
20165
20166         PR rtl-optimization/79910
20167         * combine.c (record_used_regs): New static function.
20168         (try_combine): Handle situations where there is an additional
20169         instruction between I2 and I3 which needs to have a LOG_LINK
20170         updated.
20171
20172 2017-03-17  Jeff Law  <law@redhat.com>
20173
20174         PR tree-optimization/71437
20175         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
20176         conditional in the hash table first.
20177         (vrp_dom_walker::before_dom_children): Extract condition from
20178         ASSERT_EXPR.  Record condition, its inverion and any implied
20179         conditions as well.
20180
20181 2017-03-17  Marek Polacek  <polacek@redhat.com>
20182             Markus Trippelsdorf  <markus@trippelsdorf.de>
20183
20184         PR tree-optimization/80079
20185         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
20186         m_stores_head.
20187
20188 2017-03-17  Richard Biener  <rguenther@suse.de>
20189
20190         PR middle-end/80075
20191         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
20192         Properly verify the LHS before the RHS possibly claims to be
20193         handled.
20194         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
20195         do not throw.
20196
20197 2017-03-17  Martin Jambor  <mjambor@suse.cz>
20198
20199         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
20200         (List of -O2 options): Likewise.
20201         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
20202         (-fipa-vrp) New.
20203
20204 2017-03-17  Tom de Vries  <tom@codesourcery.com>
20205
20206         * gcov-dump.c (print_usage): Print bug_report_url.
20207
20208 2017-03-17  Richard Biener  <rguenther@suse.de>
20209
20210         PR middle-end/80050
20211         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
20212         (parser::peek): Likewise.
20213
20214 2017-03-17  Richard Biener  <rguenther@suse.de>
20215
20216         PR tree-optimization/80048
20217         * sese.c (free_sese_info): Properly release rename_map and
20218         copied_bb_map elements.
20219
20220 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
20221
20222         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
20223         Add linked-list forward and backlinks.  Insert on
20224         construction, remove on destruction.
20225         (class pass_store_merging): Add m_stores_head field.
20226         (pass_store_merging::terminate_and_process_all_chains):
20227         Iterate over m_stores_head list.
20228         (pass_store_merging::terminate_all_aliasing_chains):
20229         Likewise.
20230         (pass_store_merging::execute): Check for debug stmts first.
20231         Push new chains onto the m_stores_head stack.
20232
20233 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
20234
20235         PR target/71294
20236         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
20237         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
20238         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
20239
20240 2017-03-16  Jeff Law  <law@redhat.com>
20241
20242         PR tree-optimization/71437
20243         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
20244         member function.  Implementation moved into after_dom_children
20245         member function and into the threader's thread_outgoing_edges
20246         function.
20247         (dom_opt_dom_walker::after_dom_children): Simplify by moving
20248         some code into new thread_outgoing_edges.
20249         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
20250         definition.  Simplify marker handling (do it here).   Assume we always
20251         have the available expression and the const/copies tables.
20252         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
20253         and tree-vrp.c
20254         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
20255         * tree-vrp.c (equiv_stack): No longer file scoped.
20256         (vrp_dom_walker): New class.
20257         (vrp_dom_walker::before_dom_children): New member function.
20258         (vrp_dom_walker::after_dom_children): Likewise.
20259         (identify_jump_threads):  Setup domwalker.  Use it rather than
20260         walking edges in a random order by hand.  Simplify setup/finalization.
20261         (finalize_jump_threads): Remove.
20262         (vrp_finalize): Do not call identify_jump_threads here.
20263         (execute_vrp): Do it here instead and call thread_through_all_blocks
20264         here too.
20265
20266         PR tree-optimization/71437
20267         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
20268         callers changed.
20269         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
20270         callers changed.
20271         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
20272         (dom_opt_dom_walker::thread_across_edge): Remove
20273         handle_dominating_asserts argument.  All callers changed.
20274         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
20275         changes.  Remove calls to lhs_of_dominating_assert.  Other
20276         uses of handle_dominating_asserts turn into unconditional code
20277         (simplify_control_stmt_condition_1): Likewise.
20278         (simplify_control_stmt_condition): Likewise.
20279         (thread_through_normal_block, thread_across_edge): Likewise.
20280         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
20281         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
20282         object if it is not an SSA_NAME.
20283         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
20284         before calling into the VRP specific simplifiers.
20285         (identify_jump_threads): Remove handle_dominating_asserts
20286         argument.
20287
20288 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
20289
20290         PR fortran/79886
20291         * tree-diagnostic.c (default_tree_printer): No longer static.
20292         * tree-diagnostic.h (default_tree_printer): New prototype.
20293
20294 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
20295
20296         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
20297         Change ins into fmov.
20298
20299 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20300
20301         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
20302         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
20303         Use h_con constraint for operand 1.
20304         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
20305         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
20306
20307 2017-03-15  Jeff Law  <law@redhat.com>
20308
20309         PR tree-optimization/71437
20310         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
20311         (record_temporary_equivalences): Use it.
20312
20313         PR tree-optimization/71437
20314         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
20315         tree-ssa-scopedtables.
20316         (lookup_avail_expr, build_and_record_new_cond): Likewise.
20317         (record_conditions, record_cond, vuse_eq): Likewise.
20318         (record_edge_info): Adjust to API tweak of record_conditions.
20319         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
20320         (record_temporary_equivalences, optimize_stmt): Likewise.
20321         (eliminate_redundant_computations): Likewise.
20322         (record_equivalences_from_stmt): Likewise.
20323         * tree-ssa-scopedtables.c: Include options.h and params.h.
20324         (vuse_eq): New function, moved from tree-ssa-dom.c
20325         (build_and_record_new_cond): Likewise.
20326         (record_conditions): Likewise.  Accept vector of conditions rather
20327         than edge_equivalence structure for first argument.
20328         for the first argument.
20329         (avail_exprs_stack::lookup_avail_expr): New member function, moved
20330         from tree-ssa-dom.c.
20331         (avail_exprs_stack::record_cond): Likewise.
20332         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
20333         from tree-ssa-dom.c.
20334         (avail_exprs_stack): Add new member functions lookup_avail_expr
20335         and record_cond.
20336         (record_conditions): Declare.
20337
20338 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
20339
20340         PR target/80017
20341         * lra-constraints.c (process_alt_operands): Increase reject for
20342         reloading an input/output operand.
20343
20344 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
20345
20346         PR target/79038
20347         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
20348         insns to convert from signed/unsigned char/short to IEEE 128-bit
20349         floating point.
20350         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
20351
20352 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
20353
20354         PR target/80019
20355         * config/i386/i386.c (ix86_vector_duplicate_value): Create
20356         subreg of inner mode for values already in registers.
20357
20358 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
20359
20360         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
20361         iteration reg is used after the loop.
20362
20363 2017-03-14  Martin Sebor  <msebor@redhat.com>
20364
20365         PR tree-optimization/79800
20366         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
20367         precision in negative-positive range.
20368         (format_floating): Call non-const overload with adjusted precision.
20369
20370 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
20371
20372         PR target/79947
20373         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
20374         -mpowerpc-gfxopt.
20375
20376 2017-03-14  Martin Sebor  <msebor@redhat.com>
20377
20378         PR middle-end/80020
20379         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
20380         * builtins.def (aligned_alloc): Use it.
20381
20382         PR c/79936
20383         * Makefile.in (GTFILES): Add calls.c.
20384         * calls.c: Include "gt-calls.h".
20385
20386 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
20387
20388         PR rtl-optimization/79728
20389         * regs.h (struct target_regs): New field
20390         x_contains_allocatable_regs_of_mode.
20391         (contains_allocatable_regs_of_mode): New macro.
20392         * reginfo.c (init_reg_sets_1): Initialize it, and change
20393         contains_reg_of_mode so it includes global regs as well.
20394         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
20395         rather than contains_regs_of_mode.
20396
20397 2017-03-14  Martin Liska  <mliska@suse.cz>
20398
20399         * doc/invoke.texi: Document options that can't be combined with
20400         -fcheck-pointer-bounds.
20401
20402 2017-03-14  Martin Liska  <mliska@suse.cz>
20403
20404         PR middle-end/79831
20405         * doc/invoke.texi (-Wchkp): Document the option.
20406
20407 2017-03-14  Martin Liska  <mliska@suse.cz>
20408
20409         * Makefile.in: Install gcov-dump.
20410
20411 2017-03-14  Martin Liska  <mliska@suse.cz>
20412
20413         * multiple_target.c (expand_target_clones): Bail out for
20414         an invalid attribute.
20415
20416 2017-03-14  Richard Biener  <rguenther@suse.de>
20417
20418         * alias.c (struct alias_set_entry): Pack properly.
20419         * cfgloop.h (struct loop): Likewise.
20420         * cse.c (struct set): Likewise.
20421         * ipa-utils.c (struct searchc_env): Likewise.
20422         * loop-invariant.c (struct invariant): Likewise.
20423         * lra-remat.c (struct cand): Likewise.
20424         * recog.c (struct change_t): Likewise.
20425         * rtl.h (struct address_info): Likewise.
20426         * symbol-summary.h (function_summary): Likewise.
20427         * tree-loop-distribution.c (struct partition): Likewise.
20428         * tree-object-size.c (struct object_size_info): Likewise.
20429         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
20430         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
20431         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
20432         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
20433         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
20434         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
20435         (struct _stmt_vec_info): Likewise.
20436
20437 2017-03-14  Martin Liska  <mliska@suse.cz>
20438
20439         PR target/79892
20440         * multiple_target.c (create_dispatcher_calls): Check that
20441         a target can create a function dispatcher.
20442
20443 2017-03-14  Martin Liska  <mliska@suse.cz>
20444
20445         PR lto/66295
20446         * multiple_target.c (expand_target_clones): Drop local.local
20447         flag for default implementation.
20448
20449 2017-03-14  Richard Biener  <rguenther@suse.de>
20450
20451         PR tree-optimization/80030
20452         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
20453
20454 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
20455
20456         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
20457         gcc_fallthrough() instead of __attribute__((fallthrough));
20458
20459 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20460
20461         * doc/gcc.texi: Remove "up" link to (DIR).
20462         * doc/gccint.texi: Ditto.
20463
20464 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20465
20466         * doc/install.texi (Specific) <avr>: Remove reference to
20467         binutils 2.13.
20468
20469 2017-03-13  Jeff Law  <law@redhat.com>
20470
20471         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
20472         attribute rather than comments.
20473
20474         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
20475         match_scratch operand is highest.
20476
20477 2017-03-13  Martin Liska  <mliska@suse.cz>
20478
20479         PR middle-end/78339
20480         * ipa-pure-const.c (warn_function_noreturn): If the declarations
20481         is a CHKP clone, use original declaration.
20482
20483 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20484
20485         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
20486         (arc_conditional_register_usage): Use a different allocation order
20487         when optimizing for size.
20488         * common/config/arc/arc-common.c (arc_option_optimization_table):
20489         Section anchors default on when optimizing for size.
20490
20491 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20492
20493         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
20494
20495 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20496
20497         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
20498         * config/arc/arc.md (cpu_facility): Add cd variant.
20499         (*movqi_insn): Add code density variant.
20500         (*movhi_insn): Likewise.
20501         (*movqi_insn): Likewise.
20502         (*addsi3_mixed): Likewise.
20503         (subsi3_insn): Likewise.
20504
20505 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20506
20507         * config/arc/arc.md (movsi_cond_exec): Update constraint.
20508
20509 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20510
20511         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
20512         expressions with MINUS and UNARY ops.
20513
20514 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20515
20516         PR target/79911
20517         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
20518         Rename to...
20519         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
20520         between vec_select and vector argument.
20521         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
20522         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
20523         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
20524         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
20525         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
20526         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
20527
20528 2017-03-13  Richard Biener  <rguenther@suse.de>
20529
20530         PR other/79991
20531         * params.def (vect-max-peeling-for-alignment): Fix typo.
20532
20533 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20534
20535         * doc/install.texi (Specific) <mips-*-*>: Remove description of
20536         issue that only occurred with binutils below 2.18.
20537
20538 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20539
20540         * doc/install.texi (Specific) <cris-axis-elf>: No longer
20541         refer to binutils 2.11/2.12 minimum.
20542
20543 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20544
20545         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
20546         ftp.kernel.org and simplify binutils requirement.
20547
20548 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
20549
20550         * doc/invoke.texi (Warning Options): Fix spelling of link-time
20551         optimization.
20552         (Optimize Options): Ditto.  Also remove redundancy.
20553
20554 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20555
20556         PR translation/79848
20557         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
20558         "%qs".
20559         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
20560         to G_ to avoid double translation.
20561
20562 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20563
20564         PR translation/79923
20565         * auto-profile.c (get_combined_location): Convert leading
20566         character of diagnostics to lower case and remove trailing period.
20567         (read_profile): Likewise for various diagnostics.
20568         * config/arm/arm.c (arm_option_override): Remove trailing period
20569         from various diagnostics.
20570         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
20571         (msp430_expand_delay_cycles): Likewise.
20572
20573 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20574
20575         PR target/79925
20576         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
20577         full command-line argument, rather than just "str".
20578         (aarch64_validate_march): Likewise.
20579         (aarch64_validate_mtune): Likewise.
20580
20581 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
20582
20583         PR rtl-optimization/78911
20584         * lra-assigns.c (must_not_spill_p): New function.
20585         (spill_for): Use it.
20586
20587 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20588
20589         PR tree-optimization/79981
20590         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
20591         ATOMIC_COMPARE_EXCHANGE ifn result.
20592         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
20593         IFN_ATOMIC_COMPARE_EXCHANGE.
20594
20595 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20596
20597         PR driver/79875
20598         * opts.c (parse_sanitizer_options): Add missing question mark to
20599         "did you mean" message.
20600
20601 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20602
20603         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
20604         built-in.
20605         (VMULEUH_UNS): Likewise.
20606         (VMULOUB_UNS): Likewise.
20607         (VMULOUH_UNS): Likewise.
20608         * config/rs6000/rs6000.c (builtin_function_type): Remove
20609         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
20610
20611 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20612
20613         PR bootstrap/79952
20614         * read-rtl-function.c (function_reader::read_rtx_operand): Update
20615         x with result of extra_parsing_for_operand_code_0.
20616         (function_reader::extra_parsing_for_operand_code_0): Convert
20617         return type from void to rtx, returning x.  When reading
20618         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
20619         larger size containing struct block_symbol.
20620
20621 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
20622
20623         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
20624         -mfloat128-hardware without -m64.
20625
20626 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
20627
20628         PR target/79941
20629         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
20630         entries to the case statement that marks unsigned arguments to
20631         overloaded functions.
20632
20633 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20634
20635         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
20636         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
20637
20638 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
20639
20640         PR target/79907
20641         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
20642         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
20643
20644 2017-03-10  Martin Liska  <mliska@suse.cz>
20645
20646         PR target/65705
20647         PR target/69804
20648         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
20649         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
20650         FIELD != NULL.
20651
20652 2017-03-10  Olivier Hainque  <hainque@adacore.com>
20653
20654         * tree-switch-conversion (array_value_type): Start by resetting
20655         candidate type to it's main variant.
20656
20657 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20658
20659         PR rtl-optimization/79909
20660         * combine.c (try_combine): Use simplify_replace_rtx on individual
20661         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
20662         of the whole CALL_INSN_FUNCTION_USAGE.
20663
20664         PR tree-optimization/79972
20665         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
20666         get_range_info on SSA_NAMEs.  Formatting fixes.
20667
20668 2017-03-10  Richard Biener  <rguenther@suse.de>
20669             Jakub Jelinek  <jakub@redhat.com>
20670
20671         PR tree-optimization/77975
20672         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
20673         edge to be constant.
20674         (get_val_for): For constant x return it.  Formatting fix.
20675         (loop_niter_by_eval): Avoid pointless looping if the next iteration
20676         would use the same bases as the current one.
20677
20678 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20679
20680         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
20681         instead of vec_select for V1TImode.
20682         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
20683         longer needed.
20684         (VSX_LE_128): Add V1TI to this mode iterator.
20685         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
20686         (*vsx_le_perm_store_<mode>): Likewise.
20687         (pre-reload splitter for VSX stores): Likewise.
20688         (post-reload splitter for VSX stores): Likewise.
20689         (*vsx_xxpermdi2_le_<mode>): Likewise.
20690         (*vsx_lxvd2x2_le_<mode>): Likewise.
20691         (*vsx_stxvd2x2_le_<mode>): Likewise.
20692
20693 2017-03-09  Michael Eager  <eager@eagercon.com>
20694
20695         Correct failures with --enable-checking=yes,rtl.
20696
20697         * config/microblaze/microblaze.c (microblaze_expand_shift):
20698         Replace GET_CODE test with CONST_INT_P and INTVAL test with
20699         test for const0_rtx.
20700         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
20701         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
20702
20703 2017-03-09  Richard Biener  <rguenther@suse.de>
20704
20705         PR tree-optimization/79977
20706         * graphite-scop-detection.c (scop_detection::merge_sese):
20707         Handle the case of extra exits to blocks dominating the entry.
20708
20709 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
20710
20711         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
20712         Document rdynamic.
20713
20714 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
20715
20716         PR rtl-optimization/79949
20717         * lra-constraints.c (process_alt_operands): Check memory when
20718         trying to predict a cycle.  Print about the overall increase.
20719
20720 2017-03-09  Richard Biener  <rguenther@suse.de>
20721
20722         PR middle-end/79971
20723         * gimple-expr.c (useless_type_conversion_p): Preserve
20724         TYPE_SATURATING for fixed-point types.
20725
20726 2017-03-09  Richard Biener  <rguenther@suse.de>
20727
20728         PR ipa/79970
20729         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
20730         alignment of BLKmode params.
20731
20732 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20733
20734         PR target/79913
20735         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
20736         (VALL_NO_V2Q): Likewise.
20737         (VDQF_DF): Delete.
20738         * config/aarch64/aarch64-simd.md
20739         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
20740         iterator.
20741         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
20742         VALL_NO_V2Q mode iterator.
20743         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
20744
20745 2017-03-09  Martin Liska  <mliska@suse.cz>
20746
20747         PR tree-optimization/79631
20748         * tree-chkp-opt.c (chkp_is_constant_addr): Call
20749         tree_int_cst_sign_bit just for INTEGER constants.
20750
20751 2017-03-09  Martin Liska  <mliska@suse.cz>
20752
20753         PR target/65705
20754         PR target/69804
20755         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
20756         sanitizers.
20757
20758 2017-03-09  Marek Polacek  <polacek@redhat.com>
20759
20760         PR c++/79672
20761         * tree.c (inchash::add_expr): Handle TREE_VEC.
20762
20763 2017-03-09  Martin Liska  <mliska@suse.cz>
20764
20765         PR ipa/79764
20766         (chkp_narrow_size_and_offset): New function.
20767         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
20768         (void chkp_parse_bit_field_ref): New function.
20769         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
20770         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
20771
20772 2017-03-09  Martin Liska  <mliska@suse.cz>
20773
20774         PR ipa/79761
20775         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
20776         (chkp_find_bounds_1): Remove gcc_unreachable.
20777
20778 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
20779
20780         PR sanitizer/79944
20781         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
20782         BUILT_IN_SYNC*, determine the access type from the size suffix and
20783         always build a MEM_REF with that type.  Handle forgotten
20784         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
20785
20786         PR target/79932
20787         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
20788         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
20789         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
20790         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
20791         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
20792         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
20793         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
20794         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
20795         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
20796         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
20797         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
20798         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
20799         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
20800         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
20801         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
20802         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
20803         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
20804         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
20805         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
20806         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
20807         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
20808         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
20809         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
20810         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
20811         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
20812         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
20813         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
20814         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
20815         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
20816         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
20817         definitions outside of __OPTIMIZE__ guarded section.
20818
20819         PR target/79932
20820         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
20821         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
20822         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
20823         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
20824         guarded section.
20825
20826 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20827
20828         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
20829         ("vfenez<mode>"): Add missing constraints.
20830
20831 2017-03-08  Martin Sebor  <msebor@redhat.com>
20832
20833         PR target/79928
20834         * config/nds32/nds32.c (nds32_option_override):
20835         Fix misspelled diagnostic.
20836
20837 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20838
20839         PR c/79940
20840         * gimplify.c (gimplify_omp_for): Replace index var in outer
20841         taskloop statement with an artificial variable and add
20842         OMP_CLAUSE_PRIVATE clause for it.
20843
20844 2017-03-08  Richard Biener  <rguenther@suse.de>
20845
20846         PR tree-optimization/79955
20847         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
20848         for accesses that are completely outside of the variable.
20849
20850 2017-03-08  Andrew Haley  <aph@redhat.com>
20851
20852         PR tree-optimization/79943
20853         * tree-ssa-loop-split.c (compute_new_first_bound): When
20854         calculating the new upper bound, (END-BEG) should be added, not
20855         subtracted.
20856
20857 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20858
20859         * config/avr/avr.md (setmemhi): Make sure match_dup
20860         operand number comes before match_scratch.
20861
20862 2017-03-08  Richard Biener  <rguenther@suse.de>
20863
20864         PR tree-optimization/79920
20865         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
20866         with ncopies == 1 to ...
20867         (vect_transform_slp_perm_load): ... here.  Properly compute
20868         all element loads by iterating VF times over the group.  Do
20869         not handle ncopies (computed in a broken way) in
20870         vect_create_mask_and_perm.
20871
20872 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20873
20874         PR sanitizer/79904
20875         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
20876         is a uniform vector, use uniform_vector_p return value instead of
20877         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
20878
20879 2017-03-07  Marek Polacek  <polacek@redhat.com>
20880
20881         PR middle-end/79809
20882         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
20883         (alloca_call_type): Likewise.
20884
20885 2017-03-07  Martin Liska  <mliska@suse.cz>
20886
20887         * gcov.c (process_args): Put comment to correct location.
20888
20889 2017-03-07  Martin Liska  <mliska@suse.cz>
20890
20891         PR middle-end/68270
20892         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
20893         Use array_at_struct_end_p instead of DECL_CHAIN (field).
20894         (chkp_narrow_bounds_for_field): Likewise.
20895         (chkp_parse_array_and_component_ref): Pass one more argument to
20896         call.
20897
20898 2017-03-07  Richard Biener  <rguenther@suse.de>
20899
20900         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
20901         preheaders.
20902
20903 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
20904
20905         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
20906         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
20907
20908 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20909
20910         PR c/79855
20911         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
20912         to end of description.
20913         (PARAM_MAX_STORES_TO_MERGE): Likewise.
20914
20915 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
20916
20917         PR rtl-optimization/79901
20918         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
20919         ...
20920         (*avx512f_<code><mode>3<mask_name>): ... this.
20921         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
20922         iterator instead of VI8_AVX2_AVX512BW.
20923
20924         PR rtl-optimization/79901
20925         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
20926         min/max expander, expand it using expand_vec_cond_expr.
20927
20928         PR sanitizer/79897
20929         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
20930         temporary.
20931
20932 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20933
20934         PR c++/79821
20935         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
20936         to void * for PCH reasons.
20937         * dwarf2out.c (output_loc_operands, output_die): Cast
20938         v.val_vec.array to unsigned char *.
20939
20940 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
20941
20942         PR target/77850
20943         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
20944         vector types.
20945
20946 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
20947
20948         PR rtl-optimization/79571
20949         * lra-constraints.c (process_alt_operands): Calculate static
20950         reject and subtract it from overall when only addresses will be
20951         reloaded.
20952
20953 2017-03-06  Julia Koval  <julia.koval@intel.com>
20954
20955         PR target/79793
20956         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
20957         incoming stack boundary to 128 for 64-bit targets.
20958
20959 2017-03-06  Richard Biener  <rguenther@suse.de>
20960
20961         PR tree-optimization/79894
20962         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
20963         to NULL after folding it.
20964
20965 2017-03-06  Richard Biener  <rguenther@suse.de>
20966
20967         PR tree-optimization/79824
20968         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
20969         check disabling peeling for gaps.
20970
20971 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
20972
20973         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
20974         attributes): Document gettimeofday.
20975
20976 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20977
20978         * config/s390/s390.c (s390_option_override_internal): Set
20979         PARAM_MIN_VECT_LOOP_BOUND
20980
20981 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20982
20983         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
20984         * config/s390/s390.md: Likewise.
20985
20986 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20987
20988         PR target/79812
20989         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
20990         (<avx2_avx512>_perm<mode>): Rename to ...
20991         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
20992         of VI8F_256_512.
20993         (<avx512>_perm<mode>_mask): Rename to ...
20994         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
20995         of VI8F_256_512.
20996         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
20997         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
20998         instead of VI8F_256_512.
20999         (avx512f_perm<mode>): New define_expand.
21000         (avx512f_perm<mode>_mask): Likewise.
21001         (avx512f_perm<mode>_1<mask_name>): New define_insn.
21002         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
21003
21004 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21005
21006         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
21007         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
21008         if_then_else.
21009         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
21010
21011 2017-03-06  Martin Liska  <mliska@suse.cz>
21012
21013         PR sanitize/79783
21014         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
21015         when having a SSA NAME w/o VAR_DECL assigned to it.
21016
21017 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21018
21019         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
21020         msa_dpsub_<su>_d): Fix MODE for vec_select.
21021
21022 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21023
21024         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
21025         argument.
21026         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
21027
21028 2017-03-06  Richard Biener  <rguenther@suse.de>
21029
21030         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
21031         * plugin.c (register_plugin_info): Likewise.
21032         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
21033
21034 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
21035
21036         * config/i386/sse.md (sse_storehps, sse_storelps,
21037         avx_<castmode><avxsizesuffix>_<castmode>,
21038         avx512f_<castmode><avxsizesuffix>_<castmode>,
21039         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
21040         in condition that at least one operand is not a MEM.
21041
21042 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21043
21044         PR middle-end/79805
21045         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
21046         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
21047         ECF_NOTHROW.
21048         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
21049         gimple_call_nothrow_p flag based on whether original builtin can throw.
21050         If it can, emit following stmts on the fallthrough edge.
21051         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
21052         don't create new bb if inserting just debug stmts on the edge, try to
21053         insert them on the fallthru bb or just reset debug stmts.
21054
21055 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
21056
21057         PR target/43763
21058         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
21059         restore recog_data (including the operand rtxes inside it) around
21060         the call to get_insn_template.
21061
21062 2017-03-03  Martin Sebor  <msebor@redhat.com>
21063
21064         PR tree-optimization/79699
21065         * context.c (context::~context): Free MPFR caches to avoid
21066         a memory leak on program exit.
21067
21068 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21069
21070         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
21071         Use wide_int::ulow () instead of .elt (0).
21072
21073 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21074
21075         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
21076         (*pushxf): Limit oF constraint to 32bit targets and add oC
21077         constraint for 64bit targets.
21078         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
21079         (*pushdf): Change rmF constraint to rmC.
21080
21081 2017-03-03  Martin Liska  <mliska@suse.cz>
21082
21083         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
21084         Remove unused variable.
21085
21086 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21087
21088         PR target/79807
21089         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
21090         is a memory operand, increase num_memory.
21091         (ix86_expand_args_builtin): Likewise.
21092
21093 2017-03-03  Jan Hubicka  <jh@suse.cz>
21094
21095         PR lto/79760
21096         * ipa-devirt.c (maybe_record_node): Properly handle
21097         __cxa_pure_virtual visibility.
21098
21099 2017-03-03  Martin Liska  <mliska@suse.cz>
21100
21101         PR tree-optimization/79803
21102         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
21103         assert.
21104         (pass_loop_prefetch::execute): Disabled optimization if an
21105         assumption about L1 cache size is not met.
21106
21107 2017-03-03  Martin Liska  <mliska@suse.cz>
21108
21109         PR rtl-optimization/79574
21110         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
21111         (hash_scan_set): Likewise.
21112         (dump_hash_table): Likewise.
21113         (hoist_code): Likewise.
21114
21115 2017-03-03  Richard Biener  <rguenther@suse.de>
21116
21117         * fixed-value.c (fixed_from_string): Restore use of elt (1)
21118         in place of uhigh ().
21119         (fixed_convert_from_real): Likewise.
21120
21121 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21122
21123         PR target/79514
21124         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
21125
21126 2017-03-03  Richard Biener  <rguenther@suse.de>
21127
21128         PR middle-end/79818
21129         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
21130         TYPE_OVERFLOW_UNDEFINED check.
21131
21132 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21133
21134         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
21135         numbers.
21136         (vector_ae_<mode>_p): Likewise.
21137         (vector_nez_<mode>_p): Likewise.
21138         (vector_ne_v2di_p): Likewise.
21139         (vector_ae_v2di_p): Likewise.
21140         (vector_ne_<mode>_p): Likewise.
21141         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
21142         numbers.
21143         (vsx_tsqrt<mode>2_fe): Likewise.
21144
21145 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
21146
21147         PR target/79514
21148         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
21149
21150 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21151
21152         PR rtl-optimization/79780
21153         * cprop.c (one_cprop_pass): When second and further conditional trap
21154         in a single basic block is turned into an unconditional trap, turn it
21155         into a deleted note to avoid RTL verification failures.
21156
21157 2017-03-02  Richard Biener  <rguenther@suse.de>
21158
21159         * fold-const.c (const_binop): Use ulow () instead of elt (0).
21160
21161 2017-03-02  Richard Biener  <rguenther@suse.de>
21162
21163         PR tree-optimization/79345
21164         PR c++/42000
21165         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
21166         param and abort the walk, returning -1 if it is hit.
21167         (walk_aliased_vdefs): Take a limit param and pass it on.
21168         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
21169         defaulting to 0 and return a signed int.
21170         * tree-ssa-uninit.c (struct check_defs_data): New struct.
21171         (check_defs): New helper.
21172         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
21173         about uninitialized memory.
21174         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
21175         bogus uninitialized warning.
21176         (fixed_convert_from_real): Likewise.
21177
21178 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
21179
21180         PR tree-optimization/66768
21181         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
21182         iv_use if base object can't be determined.
21183
21184 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21185
21186         PR tree-optimization/79345
21187         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
21188         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
21189         (get_pattern_stats): Initialize it.
21190         * genemit.c (gen_expand): Verify match_scratch numbers come after
21191         match_operand/match_dup numbers.
21192         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
21193         match_scratch numbers.
21194         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
21195         Likewise.
21196         * config/s390/s390.md (trunctdsd2): Likewise.
21197
21198 2017-03-02  Richard Biener  <rguenther@suse.de>
21199
21200         * wide-int.h (wide_int_storage::operator=): Implement in terms
21201         of wi::copy.
21202
21203 2017-03-02  Richard Biener  <rguenther@suse.de>
21204
21205         PR tree-optimization/79777
21206         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
21207         the to insert expression to sth existing.
21208
21209 2017-03-01  Martin Sebor  <msebor@redhat.com>
21210
21211         PR middle-end/79692
21212         * gimple-ssa-sprintf.c
21213         (directive::known_width_and_precision): New function.
21214         (format_integer): Use it.
21215         (get_mpfr_format_length): Consider the full range of precision
21216         when computing %g output with the # flag.  Set the likely byte
21217         count to 3 rather than 1 when precision is indeterminate.
21218         (format_floating): Correct the lower bound of precision.
21219
21220 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21221
21222         * doc/invoke.texi: Document default code model for 64-bit Linux.
21223
21224 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21225
21226         PR target/79752
21227         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
21228         udiv rather than div since input pattern is unsigned.
21229
21230 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
21231
21232         * config/i386/i386.c (print_reg): Warn for values of
21233         unsupported size in integer register.
21234
21235 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
21236
21237         PR target/79439
21238         * config/rs6000/predicates.md (current_file_function_operand): Do
21239         not allow self calls to be local if the function is replaceable.
21240
21241 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21242
21243         PR target/79395
21244         * config/rs6000/altivec.h (vec_ctz and others): Change the
21245         preprocessor macro that controls conditional compilation from
21246         _ARCH_PWR9 to __POWER9_VECTOR__.
21247         (vec_all_ne): Change parameterization of __altivec_scalar_pred
21248         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
21249         control (instead of _ARCH_PWR9 control) so that template
21250         definition uses power9-specific function.
21251         (vec_any_eq): Likewise.
21252         (vec_all_ne): Change macro definition to use a power9-specific
21253         expansion under #ifdef __POWER9_VECTOR__ control (instead of
21254         _ARCH_PWR9 control).
21255         (vec_any_eq) Likewise.
21256         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
21257         expansion for CMPNEF to remove support for xvcmpnesp instruction.
21258         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
21259         support for xvcmpnedp instruction.
21260         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
21261         macro expansion so that Power9 implementation of vec_all_ne does
21262         not use the AltiVec predicate framework.
21263         (VCMPNEH_P): Likewise.
21264         (VCMPNEW_P): Likewise.
21265         (VCMPNED_P): Likewise.
21266         (VCMPNEFP_P): Likewise.
21267         (VCMPNEDP_P): Likewise.
21268         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
21269         implementation of vec_any_eq to not use AltiVec predicate
21270         framework.
21271         (VCMPAEH_P): Likewise.
21272         (VCMPAEW_P): Likewise.
21273         (VCMPAED_P): Likewise.
21274         (VCMPAEFP_P): Likewise.
21275         (VCMPAEDP_P): Likewise.
21276         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
21277         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
21278         not use the AltiVec predicate framework.
21279         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
21280         of vec_any_eq to not use AltiVec predicate framework.
21281         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
21282         support for predefined __POWER9_VECTOR__ macro to indicate that
21283         Power9 instruction selection is enabled.
21284         (altivec_overloaded_builtins): Remove extraneous
21285         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
21286         function argument types RS6000_BTI_bool_V16QI and
21287         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
21288         entry for overloaded function argument types RS6000_BTI_bool_V4SI
21289         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
21290         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
21291         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
21292         Power9 for implementations of vec_cmpne.  Change the signature for
21293         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
21294         (representing vec_all_ne) to remove the previously described first
21295         argument of type RS6000_BTI_INTSI, as this was an artifact of
21296         reliance on the AltiVec predicate framework, which is no longer
21297         used in the implementation of these functions.  Add
21298         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
21299         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
21300         since, unlike the AltiVec predicate framework implementation, we
21301         do not share function descriptors between vec_alle and vec_anyeq.
21302         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
21303         set of modes that receive special treatment even when
21304         TARGET_P9_VECTOR is true.  The special treatment emits code that
21305         does not depend on Power9 instructions.
21306         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
21307         define_expand to not rely on AltiVec predicate framework.
21308         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21309         function.
21310         (vector_ne_v2di_p): Change this define_expand to not rely on
21311         AltiVec predicate framework.
21312         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
21313         function.
21314         (vector_ne_<mode>_p): Change this define_expand to not rely on
21315         AltiVec predicate framework.
21316         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21317         function.
21318         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
21319         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
21320         define_insn pattern.
21321         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
21322         define_insn pattern because the xvcmpne<VSs>. instruction is not
21323         supported.
21324         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
21325         instruction is not supported.
21326
21327 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21328
21329         * config/nvptx/nvptx.c: Include intl.h.
21330
21331 2017-03-01  Martin Jambor  <mjambor@suse.cz>
21332
21333         PR lto/78140
21334         * ipa-prop.h (ipa_bits): Removed field known.
21335         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
21336         to pointers.  Adjusted their comments to warn about their sharing.
21337         (ipcp_transformation_summary): Change bits to a vector of pointers.
21338         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
21339         (ipa_get_ipa_bits_for_value): Declare.
21340         * tree-vrp.h (value_range): Mark as GTY((for_user)).
21341         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
21342         (ipa_bits_hash_table): Likewise.
21343         (ipa_vr_ggc_hash_traits): Likewise.
21344         (ipa_vr_hash_table): Likewise.
21345         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
21346         being pointers and vr_known being removed.
21347         (ipa_set_jf_unknown): Likewise.
21348         (ipa_get_ipa_bits_for_value): New function.
21349         (ipa_set_jfunc_bits): Likewise.
21350         (ipa_get_value_range): New overloaded functions.
21351         (ipa_set_jfunc_vr): Likewise.
21352         (ipa_compute_jump_functions_for_edge): Use the above functions to
21353         construct bits and vr parts of jump functions.
21354         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
21355         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21356         exist.
21357         (ipcp_grow_transformations_if_necessary): Also allocate
21358         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21359         exist.
21360         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
21361         them.  Fix too long lines.
21362         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
21363         vr_known being removed.
21364         (ipa_read_jump_function): Use new setter functions to construct bits
21365         and vr parts of jump functions or set them to NULL.
21366         (write_ipcp_transformation_info): Adjust for bits being pointers.
21367         (read_ipcp_transformation_info): Likewise.
21368         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
21369         space.
21370         Include gt-ipa-prop.h.
21371         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
21372         being pointers.
21373         (ipcp_store_bits_results): Likewise.
21374         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
21375         Do not write to existing jump functions but use a temporary instead.
21376
21377 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21378
21379         PR c++/79681
21380         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
21381         attempt to use its first operand as BIT_FIELD_REF base.
21382
21383 2017-03-01  Richard Biener  <rguenther@suse.de>
21384
21385         PR middle-end/79721
21386         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
21387         interpolating formula in wrapping arithmetic.
21388         (chrec_apply): Convert chrec_evaluate return value to wanted type.
21389
21390 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21391
21392         PR tree-optimization/79734
21393         * tree-vect-generic.c (expand_vector_condition): Optimize
21394         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
21395         Handle VEC_COND_EXPR where comparison has different inner width from
21396         type's inner width.
21397
21398 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21399
21400         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
21401         markup, and similar issues.  Remove @opindex entries for things
21402         that aren't options.  Add missing -mmpy-option entries.
21403
21404 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21405
21406         PR tree-optimization/79737
21407         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
21408         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
21409         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
21410         instead of byte_size.  Formatting fix.
21411         (shift_bytes_in_array_right): Formatting fix.
21412
21413 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
21414
21415         PR target/79749
21416         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
21417         condition on optimize for the leaf function test.
21418
21419 2017-02-28  Martin Liska  <mliska@suse.cz>
21420
21421         PR lto/79625
21422         * read-rtl-function.c (function_reader::handle_unknown_directive):
21423         Bail out when one uses -flto.
21424
21425 2017-02-28  Martin Liska  <mliska@suse.cz>
21426
21427         * common.opt: Replace space with tabular for options of <number>
21428         type.
21429         * config/i386/i386.opt: Show <number> value for
21430         -mlarge-data-threshold.
21431         * opts.c (print_filtered_help): Do not display number in hexadecimal
21432         format.
21433
21434 2017-02-28  Martin Liska  <mliska@suse.cz>
21435
21436         * common.opt: Fix --help=option -Q for options which are of
21437         an enum type.
21438
21439 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
21440
21441         * config/i386/i386.c (print_reg): Error out for values
21442         of 8-bit size in invalid integer register.
21443
21444 2017-02-28  Martin Sebor  <msebor@redhat.com>
21445
21446         PR tree-optimization/79691
21447         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
21448
21449 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21450
21451         PR target/79729
21452         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
21453         gcc_unreachable with output_operand_lossage.
21454
21455 2017-02-28  Richard Biener  <rguenther@suse.de>
21456
21457         PR tree-optimization/79740
21458         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
21459         inserts.
21460         (visit_nary_op): Insert the nary into the hashtable if we
21461         pattern-matched sth.
21462         * tree-ssa-pre.c (eliminate_insert): Robustify.
21463
21464 2017-02-28  Richard Biener  <rguenther@suse.de>
21465
21466         PR middle-end/79731
21467         * fold-const.c (decode_field_reference): Reject out-of-bound
21468         accesses.
21469
21470 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21471
21472         * config/i386/i386.c: Include intl.h.
21473         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
21474         instead of just cond ? "..." : "...".
21475         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
21476         * coverage.c (read_counts_file): Likewise.
21477         * omp-offload.c: Include intl.h.
21478         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
21479         of just cond ? "..." : "...".
21480         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
21481         of just cond ? "..." : "...".
21482
21483 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
21484
21485         PR target/79742
21486         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
21487         entry, if present.
21488         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
21489         'tune for' CPU name.
21490         * config/arm/arm-cpu-data.h: Regenerated.
21491
21492 2017-02-28  Richard Biener  <rguenther@suse.de>
21493
21494         PR tree-optimization/79732
21495         * tree-inline.c (expand_call_inline): Do not shadow var.
21496
21497 2017-02-28  Richard Biener  <rguenther@suse.de>
21498
21499         PR tree-optimization/79723
21500         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
21501         address-space properly.
21502
21503 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
21504
21505         * doc/optinfo.texi (Optimization groups): Fix option used for
21506         OPTGROUP_ALL.
21507         * doc/invoke.texi (-fopt-info): Document "omp".
21508         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
21509         (OPTGROUP_ALL): Add OPTGROUP_OMP.
21510         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
21511         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
21512         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
21513
21514         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
21515         all users.
21516         * dumpfile.c (optgroup_options): Instead of "openmp", associate
21517         OPTGROUP_OMP with "omp".
21518
21519 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
21520
21521         PR target/79544
21522         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
21523         for arithmetic shift of unsigned V2DI.
21524
21525 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
21526
21527         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
21528         arc/linux.h headers.
21529         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
21530         (LINK_SPEC): Likewise.
21531         (ARC_TLS_EXTRA_START_SPEC): Likewise.
21532         (EXTRA_SPECS): Likewise.
21533         (STARTFILE_SPEC): Likewise.
21534         (ENDFILE_SPEC): Likewise.
21535         (LIB_SPEC): Likewise.
21536         (TARGET_SDATA_DEFAULT): Likewise.
21537         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
21538         (MULTILIB_DEFAULTS): Likewise.
21539         (DWARF2_UNWIND_INFO): Likewise.
21540         * config/arc/big.h: New file.
21541         * config/arc/elf.h: Likewise.
21542         * config/arc/linux.h: Likewise.
21543         * config/arc/t-uClibc: Remove.
21544
21545 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
21546
21547         PR tree-optimization/77536
21548         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
21549         (tree_transform_and_unroll_loop): Use above function to compute the
21550         estimated niter of unrolled loop and use it when scaling profile.
21551         Also use count info rather than frequency if it's non-zero.
21552         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
21553         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
21554         (vect_transform_loop): Call above function.
21555
21556 2017-02-27  Richard Biener  <rguenther@suse.de>
21557
21558         PR tree-optimization/45397
21559         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
21560         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
21561         (visit_nary_op): Add pattern matching for CSEing sign-changed
21562         or truncated operations with wider ones.
21563
21564 2017-02-27  Richard Biener  <rguenther@suse.de>
21565
21566         PR tree-optimization/79690
21567         * tree-vect-stmts.c (vectorizable_store): Use vector type
21568         built from the DR with address-space.
21569
21570 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
21571
21572         * doc/invoke.texi (Optimize Options): Refine the description
21573         of asan-use-after-return.
21574
21575 2017-02-25  Alan Modra  <amodra@gmail.com>
21576
21577         PR rtl-optimization/79584
21578         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
21579         base, not ad->base_term, the reg within base.  Remove assertion
21580         that ad->base == ad->base_term.  Replace gen_int_mode using
21581         bogus mode with const0_rtx.
21582
21583 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
21584
21585         PR middle-end/79396
21586         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
21587         FMA_EXPR like tcc_binary or tcc_unary.
21588
21589         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
21590
21591         PR debug/77589
21592         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
21593         bitfield.
21594         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
21595         (output_loc_operands): Handle DW_OP_call_ref and
21596         DW_OP_GNU_variable_value.
21597         (struct variable_value_struct): New type.
21598         (struct variable_value_hasher): Likewise.
21599         (variable_value_hash): New variable.
21600         (string_types): Remove.
21601         (copy_loc_descr): New function.
21602         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
21603         (prepend_loc_descr_to_each): New function.
21604         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
21605         instead of add_loc_descr_to_each if the first argument is single
21606         location list and the second has multiple.
21607         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
21608         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
21609         when looking for variable value which doesn't have other location info.
21610         (loc_list_from_tree): Formatting fix.
21611         (gen_array_type_die): Simplify DW_AT_string_length handling.
21612         (adjust_string_types): Remove.
21613         (gen_subprogram_die): Don't call adjust_string_types nor test/set
21614         string_types.  Call resolve_variable_values.
21615         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
21616         (resolve_addr_in_expr): Likewise.  Add A argument.
21617         (copy_deref_exprloc): Remove deref argument.  Adjust for the
21618         original expression being DW_OP_GNU_variable_value with optionally
21619         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
21620         optionally after it.
21621         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
21622         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
21623         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
21624         (variable_value_hasher::hash, variable_value_hasher::equal): New
21625         methods.
21626         (resolve_variable_value_in_expr, resolve_variable_value,
21627         resolve_variable_values, note_variable_value_in_expr,
21628         note_variable_value): New functions.
21629         (dwarf2out_early_finish): Call note_variable_value on all toplevel
21630         DIEs.
21631
21632 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
21633
21634         PR c/79677
21635         * opts.h (handle_generated_option): Add GENERATED_P argument.
21636         * opts-common.c (handle_option): Adjust function comment.
21637         (handle_generated_option): Add GENERATED_P argument, pass it to
21638         handle_option.
21639         (control_warning_option): Pass false to handle_generated_option
21640         GENERATED_P.
21641         * opts.c (maybe_default_option): Pass true to handle_generated_option
21642         GENERATED_P.
21643         * optc-gen.awk: Likewise.
21644
21645 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21646
21647         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
21648         a REG, look at the REG it is a SUBREG of.
21649         (splitter for cmpeqsi_t): Ditto.
21650
21651 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21652
21653         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
21654         the special USEs with the pattern of the insn, not the insn itself.
21655
21656 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
21657
21658         PR target/79473
21659         * doc/invoke.texi: Document -mload-store-pairs.
21660
21661 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21662             Sandra Loosemore  <sandra@codesourcery.com>
21663
21664         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
21665         argument isn't a CONST_INT.
21666         (nios2_alternate_compare_const): Assert op is a CONST_INT.
21667         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
21668         (nios2_validate_compare): Bypass alternate compare logic if *op2
21669         is not a CONST_INT.
21670         (ldstwm_operation_p): Return false if first_base is not a REG or
21671         if first_offset is not a CONST_INT.
21672
21673 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21674
21675         * config/cris/cris.md: Use correct operand in a define_peephole2.
21676
21677 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21678
21679         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
21680
21681 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21682
21683         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
21684         this_insn if it is an INSN or JUMP_INSN.
21685         (force_offsettable): Look at base, not at addr.
21686         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
21687         on things that aren't necessarily CONST_INTs.
21688
21689 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
21690
21691         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
21692         -mfpmath=sse is the default also for x86-32 targets with SSE2
21693         instruction set when @option{-ffast-math} is enabled
21694
21695 2017-02-24  Jeff Law  <law@redhat.com>
21696
21697         PR rtl-optimizatoin/79286
21698         * ira.c (update_equiv_regs): Drop may_trap_p exception to
21699         dominance test.
21700
21701 2017-02-24  Richard Biener  <rguenther@suse.de>
21702
21703         PR tree-optimization/79389
21704         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
21705         debug insns.
21706
21707 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
21708
21709         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
21710         function comment to reflect reality.
21711         (loop_exits_before_overflow): Fix typo in function description.
21712
21713 2017-02-24  Richard Biener  <rguenther@suse.de>
21714
21715         PR tree-optimization/79389
21716         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
21717         properly that a threading opportunity exists.  Detect conditional
21718         copy/constant propagation opportunities.
21719
21720 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
21721
21722         * config/visium/visium.md (type): Add trap.
21723         (b): New mode attribute.
21724         (*btst): Rename into...
21725         (*btst<mode>): ...this and adjust.
21726         (*cbranchsi4_btst_insn): Rename into...
21727         (*cbranch<mode>4_btst_insn): ...this and adjust.
21728         (trap): New define_insn.
21729
21730 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21731
21732         PR tree-optimization/79389
21733         * ifcvt.c (struct noce_if_info): Add rev_cond field.
21734         (noce_reversed_cond_code): New function.
21735         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
21736         reversed_comparison_code.  Formatting fix.
21737         (noce_try_store_flag): Test rev_cond != NULL in addition to
21738         reversed_comparison_code.
21739         (noce_try_store_flag_constants): Likewise.
21740         (noce_try_store_flag_mask): Likewise.
21741         (noce_try_addcc): Use rev_cond if non-NULL instead of
21742         reversed_comparison_code.
21743         (noce_try_cmove_arith): Likewise.  Formatting fixes.
21744         (noce_try_minmax, noce_try_abs): Clear rev_cond.
21745         (noce_find_if_block): Initialize rev_cond.
21746         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
21747         instead of false as last argument never attempt to reverse it
21748         afterwards.
21749
21750 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
21751
21752         PR tree-optimization/79663
21753         * tree-predcom.c (combine_chains): Process refs in reverse order
21754         only for ZERO length chains, and add explaining comment.
21755
21756 2017-02-23  Jeff Law  <law@redhat.com>
21757
21758         PR tree-optimization/79578
21759         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
21760         in call to operand_equal_p.
21761
21762 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
21763
21764         PR target/71017
21765         * config/i386/cpuid.h: Fix another undefined behavior.
21766
21767 2017-02-23  Richard Biener  <rguenther@suse.de>
21768
21769         PR tree-optimization/79683
21770         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
21771         vector types for data-refs.
21772
21773 2017-02-23  Martin Liska  <mliska@suse.cz>
21774
21775         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
21776
21777 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21778
21779         PR middle-end/79665
21780         * internal-fn.c (get_range_pos_neg): Moved to ...
21781         * tree.c (get_range_pos_neg): ... here.  No longer static.
21782         * tree.h (get_range_pos_neg): New prototype.
21783         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
21784         are known to be in between 0 and signed maximum inclusive, try to
21785         expand both unsigned and signed divmod and use the cheaper one from
21786         those.
21787
21788 2017-02-22  Jeff Law  <law@redhat.com>
21789
21790         PR tree-optimization/79578
21791         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
21792         to compare base operands.
21793
21794 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
21795
21796         PR target/79211
21797         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
21798         gpc_reg_operand instead of fpr_reg_operand.
21799
21800 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
21801
21802         * config/mips/mips.c (mips_return_in_memory): Force FP
21803         vector types to be returned in memory for o32 ABI.
21804
21805 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21806
21807         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
21808         instead of DW_TAG_member for static data member declarations and don't
21809         set no_linkage_name for static inline data members.
21810         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
21811         to DW_TAG_member.
21812
21813 2017-02-22  Martin Liska  <mliska@suse.cz>
21814
21815         * doc/invoke.texi: Replace inequality signs with square brackets
21816         for -Wnormalized.
21817
21818 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21819
21820         PR tree-optimization/68644
21821         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
21822
21823 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
21824
21825         PR target/78660
21826         * lra-constraints.c (simplify_operand_subreg): Handle
21827         WORD_REGISTER_OPERATIONS targets.
21828
21829 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21830
21831         PR target/70465
21832         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
21833         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
21834         elimination by swapping fld*.
21835
21836 2017-02-22  Richard Biener  <rguenther@suse.de>
21837
21838         PR tree-optimization/79673
21839         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
21840         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
21841         irrelevant address-space qualifiers and avoiding a
21842         ADDR_SPACE_CONVERT_EXPR from fold_convert.
21843
21844 2017-02-22  Richard Biener  <rguenther@suse.de>
21845
21846         PR tree-optimization/79666
21847         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
21848         to not symbolically negate if that may introduce undefined
21849         overflow.
21850
21851 2017-02-22  Martin Liska  <mliska@suse.cz>
21852
21853         PR lto/79587
21854         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
21855         * data-streamer-out.c (streamer_write_gcov_count_stream):
21856         Likewise.
21857         * value-prof.c (stream_out_histogram_value): Make assert more
21858         precise based on type of counter.
21859
21860 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
21861
21862         PR target/79593
21863         * config/i386/i386.md (standard_x87sse_constant_load splitter):
21864         Use nonimmediate_operand instead of memory_operand for operand 1.
21865         (float-extend standard_x87sse_constant_load splitter): Ditto.
21866
21867 2017-02-21  Jeff Law  <law@redhat.com>
21868
21869         PR tree-optimization/79621
21870         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
21871         blocks with edges to themselves.
21872
21873 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21874
21875         PR target/79633
21876         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
21877         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
21878         Use gimple_call_builtin_p.
21879
21880         PR target/79570
21881         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
21882         on temporarily removed DEBUG_INSNs.
21883
21884         PR tree-optimization/79649
21885         * tree-loop-distribution.c (classify_partition): Give up on
21886         non-generic address space loads/stores.
21887
21888 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
21889
21890         * doc/loop.texi (Loop manipulation): Remove nonexistent
21891         tree_ssa_loop_version from the documentation.
21892         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
21893
21894 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21895
21896         PR target/79494
21897         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
21898         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
21899         * config/rs6000/rs6000.c: Include except.h.
21900         (rs6000_expand_split_stack_prologue): Call
21901         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
21902
21903 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21904
21905         PR lto/79579
21906         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
21907         have been analyzed.
21908
21909 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21910
21911         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
21912         for backward compatibility only.
21913         * doc/invoke.texi (Option Summary): Remove all references to
21914         -fipa-cp-alignment.
21915
21916 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
21917
21918         PR target/78660
21919         Revert:
21920         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21921
21922         * lra-constraints.c (curr_insn_transform): Handle
21923         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21924
21925 2017-02-21  Martin Liska  <mliska@suse.cz>
21926
21927         * config/i386/i386.opt: Replace -masm-dialect with -masm.
21928
21929 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
21930
21931         PR translation/79638
21932         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
21933
21934 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
21935
21936         PR ada/67205
21937         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
21938         (arm_function_ok_for_sibcall): Return false for an indirect call by
21939         descriptor if all the argument registers are used.
21940         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
21941         alignment of the function.
21942
21943 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21944
21945         PR tree-optimization/61441
21946         * simplify-rtx.c (simplify_const_unary_operation): For
21947         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
21948         the sNaN unmodified.
21949
21950 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21951
21952         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
21953         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
21954         instead of SYSTEM_HEADER_DIR.
21955
21956 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
21957             Martin Liška  <mliska@suse.cz>
21958
21959         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
21960         Fix typos and grammar, use active voice, and clarify.
21961
21962 2017-02-20  Marek Polacek  <polacek@redhat.com>
21963
21964         PR middle-end/79537
21965         * gimplify.c (gimplify_expr): Handle unused *&&L;.
21966
21967         PR sanitizer/79558
21968         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
21969
21970 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
21971
21972         PR target/79568
21973         * config/i386/i386.c (ix86_expand_builtin): Handle
21974         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
21975         ix86_builtins_isa[fcode].isa as a requirement of those
21976         flags and any other flag in the bitmask.
21977         (ix86_init_mmx_sse_builtins): Use 0 instead of
21978         ~OPTION_MASK_ISA_64BIT as mask.
21979         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
21980         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
21981         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
21982         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
21983
21984 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21985
21986         PR target/78012
21987         * lra-constraints.c (split_reg): Check requested split mode
21988         is supported by the register.
21989
21990 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21991
21992         * lra-constraints.c (simplify_operand_subreg): Remove early
21993         return false.
21994
21995 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21996
21997         PR target/78660
21998         * lra-constraints.c (curr_insn_transform): Tighten condition
21999         for converting SUBREG reloads from OP_OUT to OP_INOUT.
22000
22001 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22002
22003         PR target/78660
22004         * lra-constraints.c (curr_insn_transform): Handle
22005         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
22006
22007 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
22008
22009         Revert:
22010         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
22011
22012         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
22013
22014 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
22015
22016         PR c++/69523
22017         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
22018         description.
22019
22020 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22021
22022         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
22023         for FMA_EXPR.
22024
22025 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
22026
22027         * final.c (last_columnnum, override_columnnum): New variables.
22028         (final_start_function): Set last_columnnum, pass it to begin_prologue
22029         hook and pass 0 to dwarf2out_begin_prologue.
22030         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
22031         to source_line debug hook.
22032         (notice_source_line): Compute last_columnnum and for debug_column_info
22033         return true on column changes.
22034         * debug.h (struct gcc_debug_hooks): Add column argument to
22035         source_line and begin_prologue hooks.
22036         (debug_nothing_int_charstar_int_bool): Remove prototype.
22037         (debug_nothing_int_int_charstar,
22038         debug_nothing_int_int_charstar_int_bool): New prototypes.
22039         (dwarf2out_begin_prologue): Add column argument.
22040         * debug.c (do_nothing_debug_hooks): Adjust source_line and
22041         begin_prologue hooks.
22042         (debug_nothing_int_charstar_int_bool): Remove.
22043         (debug_nothing_int_int_charstar,
22044         debug_nothing_int_int_charstar_int_bool): New functions.
22045         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
22046         through to dwarf2out_source_line.
22047         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
22048         (dwarf2out_source_line): Add column argument, emit it if requested.
22049         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
22050         arguments.
22051         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22052         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22053         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
22054         through to dwarf2out_begin_prologue.
22055         (vmsdbgout_source_line): Add column argument, pass it through to
22056         dwarf2out_source_line.
22057         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
22058         dbxout_source_line caller.
22059         (dbxout_source_line): Add column argument.
22060
22061         * common.opt (gno-column-info, gcolumn-info): New options.
22062         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
22063         (check_die): Also test for multiple DW_AT_decl_column attributes.
22064         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
22065         DW_AT_decl_column if requested.
22066         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
22067         if requested.
22068         (gen_variable_die): Likewise.
22069         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
22070         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
22071
22072         PR target/79569
22073         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
22074         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
22075         (ix86_handle_option): Handle OPT_m3dnowa.
22076         * doc/invoke.texi (-m3dnowa): Document.
22077         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
22078         -m3dnowa instead of -m3dnow -march=athlon.
22079
22080         PR target/79559
22081         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
22082         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
22083
22084 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22085
22086         PR target/79261
22087         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
22088         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
22089         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
22090         generator for vsx_xxpermdi_<mode>_be.
22091         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
22092         force big-endian semantics.
22093         (vsx_xxpermdi_<mode>_be): New define_expand with same
22094         implementation as previous version of vsx_xxpermdi_<mode>.
22095
22096 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
22097
22098         PR tree-optimization/79327
22099         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
22100         variable, its initialization and use.
22101
22102 2017-02-17  Julia Koval  <julia.koval@intel.com>
22103
22104         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
22105         (OPTION_MASK_ISA_PKU_UNSET): New.
22106         (ix86_handle_option): Handle -mrdpid.
22107         * config/i386/cpuid.h (bit_RDPID): New.
22108         * config/i386/driver-i386.c (host_detect_local_cpu):
22109         Detect RDPID feature.
22110         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
22111         * config/i386/i386-c.c (ix86_target_macros_internal):
22112         Handle RDPID flag.
22113         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
22114         (ix86_valid_target_attribute_inner_p): Add "rdpid".
22115         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
22116         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
22117         * config/i386/i386.md (define_insn "rdpid"): New.
22118         * config/i386/i386.opt Add -mrdpid.
22119         * config/i386/immintrin.h (_rdpid_u32): New.
22120
22121 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
22122
22123         PR rtl-optimization/79541
22124         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
22125         instead of transforming it into USE.
22126
22127 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
22128
22129         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
22130         If HONOR_SNANS (SFmode) force the input to a register.
22131         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
22132         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
22133         an frsp or similar insn.
22134
22135 2017-02-17  Martin Liska  <mliska@suse.cz>
22136
22137         PR rtl-optimization/79577
22138         * params.def (selsched-max-sched-times): Increase minimum to 1.
22139
22140 2017-02-17  Martin Liska  <mliska@suse.cz>
22141
22142         PR rtl-optimization/79574
22143         * gcse.c (want_to_gcse_p): Prevent integer overflow.
22144
22145 2017-02-17  Martin Liska  <mliska@suse.cz>
22146
22147         PR tree-optimization/79529
22148         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
22149         ssa_defined_default_def_p to handle cases which are implicitly
22150         defined.
22151         * tree-ssa.c (ssa_defined_default_def_p): New function.
22152         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
22153         which are implicitly defined.
22154         * tree-ssa.h (ssa_defined_default_def_p): Declare.
22155
22156 2017-02-17  Richard Biener  <rguenther@suse.de>
22157
22158         PR middle-end/79576
22159         * params.def (max-ssa-name-query-depth): Limit to 10.
22160
22161 2017-02-17  Richard Biener  <rguenther@suse.de>
22162
22163         PR tree-optimization/79552
22164         * tree-ssa-structalias.c (visit_loadstore): Properly verify
22165         default defs.
22166
22167 2017-02-17  Richard Biener  <rguenther@suse.de>
22168
22169         PR bootstrap/79567
22170         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
22171
22172 2017-02-17  Marek Polacek  <polacek@redhat.com>
22173
22174         PR middle-end/79536
22175         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
22176         (fold_negate_expr): New wrapper.
22177
22178 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
22179
22180         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
22181         Correct terminology and de-emphasize pre-standard behavior.
22182
22183 2017-02-16  Alan Modra  <amodra@gmail.com>
22184
22185         PR rtl-optimization/79286
22186         * ira.c (def_dominates_uses): New function.
22187         (update_equiv_regs): Don't create an equivalence for insns that
22188         may trap where the register def does not dominate the use.
22189
22190 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
22191
22192         PR rtl-optimization/78127
22193         * lra.c (lra): Call lra_eliminate before finish the loop after
22194         lra_constraint.
22195
22196 2017-02-16  Richard Biener  <rguenther@suse.de>
22197
22198         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
22199         isl/isl_val.h.
22200         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
22201         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
22202         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
22203         (isl_val_int_from_wi): New function.
22204         (extract_affine_gmp): Rename to ...
22205         (extract_affine_wi): ... this, take a widest_int.
22206         (extract_affine_int): Just wrap extract_affine_wi.
22207         (add_param_constraints): Use isl_val_int_from_wi.
22208         (add_loop_constraints): Likewise, and extract_affine_wi.
22209
22210 2017-02-15  Jeff Law  <law@redhat.com>
22211
22212         PR middle-end/79521
22213         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
22214         ira_init_register_move_cost_if_necessary.
22215
22216 2017-02-15  Martin Sebor  <msebor@redhat.com>
22217
22218         PR middle-end/32003
22219         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
22220         removed in a prior commit.
22221
22222 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
22223
22224         PR tree-optimization/79347
22225         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
22226         counters during peeling.
22227
22228 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
22229
22230         * Makefile.in (site.exp): Remove "set ISLVER".
22231
22232 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
22233
22234         PR target/79487
22235         * real.c (real_from_integer): Call real_convert even for decimal.
22236
22237 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22238
22239         PR target/79421
22240         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
22241
22242 2017-02-14  Andrew Pinski  <apinski@cavium.com>
22243
22244         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
22245         cores and change the partno/implementer to be correct.
22246         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
22247         the 'B" as the implementer.
22248         * config/aarch64/aarch64-tune.md: Regenerate.
22249
22250 2017-02-14  Carl Love  <cel@us.ibm.com>
22251
22252         * config/rs6000/rs6000.c: Add case statement entry to make the
22253         xvcvuxdsp built-in argument unsigned.
22254         * config/rs6000/vsx.md: Fix the source and return operand types so they
22255         match the instruction definitions from the ISA document.  Fix typo
22256         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
22257         statement.
22258
22259 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
22260
22261         PR target/79282
22262         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
22263         member early_clobber_alts.
22264         * lra-lives.c (reg_early_clobber_p): New.
22265         (process_bb_lives): Use it.
22266         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
22267         (debug_operand_data): Initialize early_clobber_alts.
22268         (setup_operand_alternative): Set up early_clobber_alts.
22269         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
22270         alternatives to new_insn_reg.
22271         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
22272         it.
22273         (lra_update_insn_regno_info): Pass the new arg.
22274
22275 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22276
22277         PR middle-end/79505
22278         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
22279         (new_oacc_loop_raw): Don't clear already cleared fields.
22280
22281         PR target/79481
22282         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
22283         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
22284         _mm512_prefetch_i64gather_ps): New inline functions and macros.
22285
22286 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
22287
22288         PR target/79495
22289         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
22290
22291 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
22292
22293         PR target/79498
22294         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
22295         the extra instruction to the right place to store 128-bit constant
22296         when needed.
22297
22298 2017-02-14  Martin Sebor  <msebor@redhat.com>
22299
22300         PR middle-end/79448
22301         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
22302           warning for strings of unknown length.
22303
22304 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
22305
22306         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
22307
22308 2017-02-14  Jeff Law  <law@redhat.com>
22309
22310         PR target/79404
22311         * ira-costs.c (scan_one_insn): Initialize register move costs
22312         for pseudos seen in USE/CLOBBER insns.
22313
22314         PR tree-optimization/79095
22315         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
22316         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
22317         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
22318         if the operands are known to be not equal, then the resulting range
22319         is ~[0,0].
22320         (intersect_ranges): If the new range is ~[0,0] and the old range is
22321         wide, then prefer ~[0,0].
22322         * tree-vrp.c (overflow_comparison_p_1): New function.
22323         (overflow_comparison_p): New function.
22324         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
22325         if NAME is used in an overflow test.
22326         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
22327         overflow check that can be expressed as an equality test, then adjust
22328         ops to be that equality test.
22329
22330 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22331
22332         * config/s390/s390-builtin-types.def: Remove flags argument.
22333         * config/s390/s390.c (s390_init_builtins): Likewise.
22334
22335 2017-02-14  Martin Liska  <mliska@suse.cz>
22336
22337         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
22338         vector.  Fix trailing white spaces.
22339
22340 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
22341
22342         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
22343         HFmode.
22344
22345 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22346
22347         PR rtl-optimization/68664
22348         * config/arm/arm.c (arm_sched_can_speculate_insn):
22349         New function.  Declare prototype.
22350         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22351
22352 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22353
22354         PR rtl-optimization/68664
22355         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
22356         New function.
22357         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22358
22359 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
22360
22361         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
22362         max skip bytes for function, loop and jump.
22363
22364 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22365
22366         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
22367         ABS_EXPR for gimple dump.
22368
22369 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22370
22371         PR target/79462
22372         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
22373
22374         PR tree-optimization/79408
22375         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
22376         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
22377         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
22378         also if rhs1 is INTEGER_CST.
22379
22380 2017-02-14  Richard Biener  <rguenther@suse.de>
22381
22382         PR middle-end/79432
22383         * tree-into-ssa.c (insert_phi_nodes): When the function can
22384         have abnormal edges rewrite SSA names with broken use-def
22385         dominance out of SSA and register them for PHI insertion.
22386
22387 2017-02-13  Martin Sebor  <msebor@redhat.com>
22388
22389         PR middle-end/79496
22390         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
22391         clearing info.nowrite flag when snprintf size argument is a range.
22392
22393 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22394
22395         * cprop.c (cprop_jump): Add missing space in string literal.
22396         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
22397         (get_constraint_for_component_ref): Likewise.
22398         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
22399         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
22400         * lra-constraints.c (process_alt_operands): Likewise.
22401         * ipa-inline.c (inline_small_functions): Likewise.
22402         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
22403         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
22404         * trans-mem.c (diagnose_tm_1_op): Likewise.
22405         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
22406         (grid_parallel_clauses_gridifiable): Likewise.
22407
22408         * config/nvptx/mkoffload.c (process): Add space in between
22409         , and %d.
22410
22411         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
22412         "MOD4_SSE_REGS" and "ALL_REGS".
22413
22414         * spellcheck.c (test_data): Add , in between "foo" and "food".
22415
22416 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22417
22418         PR target/79449
22419         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
22420         boundary crossing check and subsequent code generation agree.
22421
22422 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22423
22424         * config/aarch64/aarch64.c (has_memory_op): Delete.
22425         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
22426         has_memory_op.
22427
22428 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22429
22430         PR rtl-optimization/79388
22431         PR rtl-optimization/79450
22432         * combine.c (distribute_notes): When removing TEM_INSN for which
22433         corresponding dest has last value recorded, invalidate that last
22434         value.
22435
22436 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22437
22438         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
22439         of explicit '@'.  Add missing assembly comment marker on branch costs
22440         printout.
22441
22442 2017-02-13  Nathan Sidwell  <nathan@acm.org>
22443
22444         * gengtype-lex.l (<in_struct>): Add '/'.
22445
22446 2017-02-13  Martin Liska  <mliska@suse.cz>
22447
22448         PR c/79471
22449         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
22450
22451 2017-02-13  Richard Biener  <rguenther@suse.de>
22452
22453         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
22454         Remove.
22455         * configure: Re-generate.
22456         * config.in: Likewise.
22457         * graphite-dependences.c: Simplify as if
22458         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
22459         * graphite-isl-ast-to-gimple.c: Likewise.
22460         * graphite-optimize-isl.c: Likewise.
22461         * graphite-poly.c: Likewise.
22462         * graphite-sese-to-poly.c: Likewise.
22463         * graphite.h: Likewise.
22464         * toplev.c: Include isl/version.h and use isl_version () for
22465         printing the ISL version.
22466         * doc/install.texi: Update ISL requirement.
22467
22468 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22469
22470         * doc/standards.texi (Standards): Update reference to
22471         Objective-C 2.0.
22472
22473 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22474
22475         * doc/extend.texi (Named Address Spaces): sourceware.org now
22476         defaults to https.
22477         * doc/install.texi (Binaries): Ditto.
22478         (Specific): Ditto.
22479
22480 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22481
22482         * doc/cpp.texi: Replace "stringify"/"stringification" with C
22483         standard terminology "stringize"/"stringizing" throughout.
22484         * doc/cppinternals.texi: Likewise.
22485
22486 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22487
22488         * doc/extend.texi: Fix some spelling mistakes and typos.
22489         * doc/invoke.texi: Likewise.
22490
22491 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22492
22493         PR ipa/79224
22494         * params.def (inline-min-speedup) Change from 10 to 8.
22495
22496 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22497
22498         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
22499         4.5.
22500
22501 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22502
22503         PR ipa/79224
22504         * ipa-inline-analysis.c (get_minimal_bb): New function.
22505         (record_modified): Use it.
22506         (remap_edge_change_prob): Handle also ancestor functions.
22507
22508 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
22509
22510         * doc/contrib.texi (Contributors): Remove broken link into
22511         the Mauve CVS repository.
22512
22513 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22514
22515         PR middle-end/79454
22516         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
22517         result computation whenever lhs doesn't have vector mode, not
22518         just when it has BLKmode.
22519
22520 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22521
22522         * doc/makefile.texi (profiledbootstrap): Refer to the
22523         installation instructions only in textual form.
22524
22525 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22526
22527         PR target/79295
22528         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
22529
22530 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22531
22532         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
22533         (Specific): Update mingw-w64 reference.
22534         (Binaries): Ditto.
22535         (Specific): Remove broken link to Renesas RX processor.
22536
22537 2017-02-10  Richard Biener  <rguenther@suse.de>
22538
22539         * toplev.c (process_options): Do not mention obsolete graphite
22540         options when printing sorry message about missing graphite support.
22541         Mention -floop-nest-optimize.
22542
22543 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
22544
22545         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
22546         (vtst_p16): Likewise.
22547         (vtstq_p8): Likewise.
22548         (vtstq_p16): Likewise.
22549         (vtst_p64): New.
22550         (vtstq_p64): Likewise.
22551         * config/arm/arm_neon.h (vgetq_lane_p64): New.
22552         (vset_lane_p64): New.
22553         (vsetq_lane_p64): New.
22554
22555 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
22556
22557         PR tree-optimization/79411
22558         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
22559         stmt operands are SSA_NAMEs used in abnormal phis.
22560         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
22561         phis.
22562
22563 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22564
22565         PR ipa/70795
22566         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
22567         flag if needed.
22568
22569 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22570
22571         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
22572
22573 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
22574
22575         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
22576         to avoid warning.
22577
22578         PR c/79413
22579         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
22580         not arbitrary TREE_CONSTANT.
22581
22582         PR c/79431
22583         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
22584         "omp declare target link" attribute unless is_global_var.
22585         * omp-offload.c (find_link_var_op): Likewise.
22586
22587 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
22588             Chung-Lin Tang  <cltang@codesourcery.com>
22589
22590         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
22591         OMP_CLAUSE_TILE.
22592         (gimplify_adjust_omp_clauses): Don't delete TILE.
22593         (gimplify_omp_for): Deal with TILE.
22594         * internal-fn.c (expand_GOACC_TILE): New function.
22595         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
22596         (GOACC_TILE): New.
22597         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
22598         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
22599         element fields.
22600         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
22601         avoid DIV for outermost collapse var.
22602         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
22603         Remove out of date comments, fix whitespace.
22604         * omp-general.c (omp_extract_for_data): Deal with tiling.
22605         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
22606         adjust OLF_DIM_BASE value.
22607         (struct omp_for_data): Add tiling field.
22608         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
22609         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
22610         for auto loops.  Remove default auto determining, moved to
22611         oacc_loop_fixed_partitions.
22612         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
22613         stmts, add e_mask field.
22614         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
22615         (oacc_thread_numbers): Use oacc_dim_call.
22616         (oacc_xform_tile): New.
22617         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
22618         (finish_oacc_loop): Adjust for ifns vector.
22619         (oacc_loop_discover_walk): Append loop abstraction sites to list,
22620         add case for GOACC_TILE fns.
22621         (oacc_loop_xform_loop): Delete.
22622         (oacc_loop_process): Iterate over call list directly, and add
22623         handling for GOACC_TILE fns.
22624         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
22625         dump partitioning.
22626         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
22627         vector partitioning to outer loops.  Assign 2 partitions to loops
22628         when available. Add TILE handling.
22629         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
22630         (execite_oacc_device_lower): Process GOACC_TILE fns,
22631         ignore unknown specs.
22632         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
22633         * tree.c (omp_clause_num_ops): Adjust TILE ops.
22634         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
22635
22636 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
22637
22638         * configure.ac (ACX_BUGURL): Update.
22639         * configure: Regenerate.
22640
22641 2017-02-09  Richard Biener  <rguenther@suse.de>
22642
22643         PR tree-optimization/69823
22644         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
22645         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
22646
22647 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22648
22649         * config/arc/arc-c.def: Add __NPS400__ definition.
22650         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
22651         (TARGET_NPS400): Define.
22652
22653 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22654
22655         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
22656         file.
22657         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
22658         pointer, arch_info.
22659         (arc_cpu_types): Fill the arch_info field with a pointer into the
22660         arc_arch_types table.
22661         (arc_selected_cpu): Declare.
22662         * config/arc/arc.c (arc_selected_cpu): Make global.
22663         (arc_selected_arch): Delete.
22664         (arc_base_cpu): Delete.
22665         (arc_override_options): Remove references to deleted variables,
22666         update access to arch information.
22667         (ARC_OPT): Update access to arch information.
22668         (ARC_OPTX): Likewise.
22669         * config/arc/arc.h (arc_base_cpu): Remove declaration.
22670         (TARGET_ARC600): Update access to arch information.
22671         (TARGET_ARC601): Likewise.
22672         (TARGET_ARC700): Likewise.
22673         (TARGET_EM): Likewise.
22674         (TARGET_HS): Likewise.
22675         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
22676         information.
22677
22678 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
22679
22680         PR target/78604
22681         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
22682         condition/operands for integer GE/LE/GEU/LEU operations.
22683
22684 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
22685
22686         PR translation/79397
22687         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
22688         of AltiVec.
22689
22690 2017-02-08  Martin Jambor  <mjambor@suse.cz>
22691
22692         PR ipa/79375
22693         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
22694         whether allocation happened.
22695         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
22696         nothing was allocated.
22697
22698 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
22699
22700         PR tree-optimization/79408
22701         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
22702         constant, but SSA_NAME with a known integer range, use the minimum
22703         of that range instead of op1 to determine if modulo can be replaced
22704         with its first operand.
22705
22706 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22707
22708         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
22709
22710 2017-02-08  Richard Biener  <rguenther@suse.de>
22711
22712         PR tree-optimization/71824
22713         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22714         Check all loops contained in the merged region.
22715
22716 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22717
22718         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
22719
22720 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22721
22722         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
22723         (thunderxt88): Likewise.
22724         (thunderxt81): Disable LSE and change v8.1 to v8.
22725         (thunderxt83): Likewise.
22726
22727 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22728             Richard Biener  <rguenther@suse.de>
22729
22730         PR middle-end/79399
22731         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
22732         type from int to size_t.
22733         * ira-costs.c (struct_costs_size): Change type from int to size_t.
22734
22735 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22736
22737         PR rtl-optimization/79386
22738         * cprop.c (bypass_conditional_jumps): Initialize
22739         bypass_last_basic_block already before splitting bbs after
22740         unconditional traps...
22741         (bypass_conditional_jumps): ... rather than here.
22742
22743         PR target/79299
22744         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
22745         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
22746         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
22747         fix -masm=intel patterns.
22748
22749 2017-02-07  Richard Biener  <rguenther@suse.de>
22750
22751         PR tree-optimization/79256
22752         PR middle-end/79278
22753         * builtins.c (get_object_alignment_2): Use min_align_of_type
22754         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
22755         and ADJUST_FIELD_ALIGN.
22756
22757         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
22758         type parameter.
22759         * doc/tm.texi: Regenerate.
22760         * stor-layout.c (layout_decl): Adjust.
22761         (update_alignment_for_field): Likewise.
22762         (place_field): Likewise.
22763         (min_align_of_type): Likewise.
22764         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
22765         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
22766         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
22767         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
22768         * config/frv/frv.c (frv_adjust_field_align): Likewise.
22769         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
22770         * config/i386/i386.c (x86_field_alignment): Likewise.
22771         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
22772         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
22773         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
22774         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
22775         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
22776         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
22777          Likewise.
22778
22779         Revert
22780         2017-01-30  Richard Biener  <rguenther@suse.de>
22781
22782         PR tree-optimization/79256
22783         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
22784         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
22785         alignment on TYPE.
22786
22787 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
22788
22789         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
22790         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
22791         builtins to SImode and emit a zero-extend, if necessary.
22792
22793 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22794
22795         * docs/invoke.texi (RISC-V Options): Alphabetize.
22796
22797 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22798
22799         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
22800         options.
22801
22802 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22803
22804         * config/riscv/riscv.c: New file.
22805         * common/config/riscv/riscv-common.c: Likewise.
22806         * config.gcc: Likewise.
22807         * config/riscv/constraints.md: Likewise.
22808         * config/riscv/elf.h: Likewise.
22809         * config/riscv/generic.md: Likewise.
22810         * config/riscv/linux.h: Likewise.
22811         * config/riscv/multilib-generator: Likewise.
22812         * config/riscv/peephole.md: Likewise.
22813         * config/riscv/pic.md: Likewise.
22814         * config/riscv/predicates.md: Likewise.
22815         * config/riscv/riscv-builtins.c: Likewise.
22816         * config/riscv/riscv-c.c: Likewise.
22817         * config/riscv/riscv-ftypes.def: Likewise.
22818         * config/riscv/riscv-modes.def: Likewise.
22819         * config/riscv/riscv-opts.h: Likewise.
22820         * config/riscv/riscv-protos.h: Likewise.
22821         * config/riscv/riscv.h: Likewise.
22822         * config/riscv/riscv.md: Likewise.
22823         * config/riscv/riscv.opt: Likewise.
22824         * config/riscv/sync.md: Likewise.
22825         * config/riscv/t-elf-multilib: Likewise.
22826         * config/riscv/t-linux: Likewise.
22827         * config/riscv/t-linux-multilib: Likewise.
22828         * config/riscv/t-riscv: Likewise.
22829         * configure.ac: Likewise.
22830         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
22831         Waterman as RISC-V maintainers.
22832         * doc/install.texi: Add RISC-V entries.
22833         * doc/invoke.texi: Add RISC-V options section.
22834         * doc/md.texi: Add RISC-V constraints section.
22835         * configure: Regenerated.
22836
22837 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
22838
22839         PR target/66144
22840         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
22841         false values to be constant vectors with all 0 or all 1 bits set.
22842         (vcondu<mode><mode>): Likewise.
22843         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
22844         predicate.
22845         (fpmask_comparison_operator): Update comment.
22846         (vecint_comparison_operator): New predicate.
22847         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
22848         vector conditionals when the true and false values are constant
22849         vectors with all 0 bits or all 1 bits set.
22850
22851 2017-02-06  Martin Sebor  <msebor@redhat.com>
22852
22853         PR  tree-optimization/79376
22854         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
22855
22856 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
22857
22858         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
22859         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
22860         to simplify split condition.
22861
22862 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22863
22864         * omp-expand.c (oxpand_omp_atomic_fetch_op,
22865         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
22866         false.
22867
22868 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
22869
22870         PR rtl-optimization/68664
22871         * target.def (can_speculate_insn): New hook.
22872         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
22873         * doc/tm.texi: Regenerate.
22874         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
22875         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
22876         (rs6000_sched_can_speculate_insn): New function.
22877
22878 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22879
22880         PR tree-optimization/79284
22881         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
22882         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
22883         vectorizable_mask_load_store, vectorizable_operation,
22884         vect_is_simple_cond, get_same_sized_vectype): Use it instead
22885         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
22886         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
22887         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
22888         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
22889         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
22890         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
22891         is_gimple_assign (stmt).  Replace another such test with
22892         is_gimple_assign (stmt).
22893
22894 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22895
22896         PR target/78883
22897         * config/avr/avr.c (rtl-iter.h): Include it.
22898         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
22899         (avr_legitimate_combined_insn): ...and implementation.
22900
22901 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22902
22903         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
22904         * config/s390/s390.c (s390_const_operand_ok)
22905         (s390_canonicalize_comparison, s390_extract_part)
22906         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
22907         (s390_contiguous_bitmask_p, s390_rtx_costs)
22908         (legitimize_pic_address): Likewise.
22909         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
22910         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
22911         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
22912         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
22913         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
22914
22915 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22916
22917         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
22918         REGNO($0) == REGNO($1).
22919
22920 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22921
22922         * config/s390/linux.h(SIZE_TYPE): Add comment.
22923
22924 2017-02-06  Julian Brown  <julian@codesourcery.com>
22925             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22926             Virendra Pathak  <virendra.pathak@broadcom.com>
22927
22928         * config/aarch64/aarch64-cores.def: Change the scheduler
22929         to Thunderx2t99.
22930         * config/aarch64/aarch64.md: Include thunderx2t99.md.
22931         * config/aarch64/thunderx2t99.md: New file.
22932
22933 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22934
22935         * doc/standards.texi (Go Language): Update link to language
22936         standard.
22937
22938 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22939
22940         * tree-eh.c (lower_resx): Sanitize profile.
22941         (cleanup_empty_eh_move_lp): Likewise.
22942
22943 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22944
22945         PR tree-ssa/79347
22946         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
22947         ELSE_PROB.
22948         * cfgloopmanip.h (loop_version): Update prototype.
22949         * modulo-sched.c (sms_schedule): Update call of loop_version.
22950         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
22951         * tree-parloops.c (gen_parallel_loop): Likewise.
22952         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
22953         * tree-ssa-loop-split.c (split_loop): Likewise.
22954         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
22955         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
22956
22957 2017-02-05  Martin Liska  <mliska@suse.cz>
22958
22959         PR bootstrap/78985
22960         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
22961         variable to NULL.
22962         (print_operand_address): Initialize a struct to zero.
22963
22964 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22965
22966         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
22967         garbage collector only in textual form.
22968
22969 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22970
22971         * doc/extend.texi (x86 specific memory model extensions for
22972         transactional memory): Simplify a phrase.
22973
22974 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
22975
22976         PR target/79353
22977         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
22978         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
22979         (atomic_storedi_1): Likewise.
22980
22981 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
22982
22983         PR tree-optimization/79338
22984         * tree-parloops.c (gather_scalar_reductions): Don't call
22985         vect_analyze_loop_form for loop->inner before destroying loop's
22986         loop_vinfo.
22987
22988 2017-02-03  Martin Sebor  <msebor@redhat.com>
22989
22990         PR tree-optimization/79327
22991         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
22992         when precision has resulted in leading zeros.
22993         (format_integer): Adjust the likely counter to assume an unknown
22994         argument that may be zero is non-zero.
22995
22996 2017-02-03  Jason Merrill  <jason@redhat.com>
22997
22998         PR c++/78689
22999         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
23000         avoid copying non-taken branch.
23001
23002 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
23003
23004         PR tree-optimization/79340
23005         * tree-vect-loop.c (vectorizable_reduction): Release
23006         vec_defs elements after safe_splicing them into other vectors.
23007         Formatting fixes.
23008
23009         PR tree-optimization/79327
23010         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
23011         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
23012         dirtype.
23013         (format_integer): Use wide_int_to_tree instead of build_int_cst
23014         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
23015         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
23016         of shortest and longest sequence.
23017
23018 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
23019
23020         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
23021         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
23022
23023 2017-02-03  Walter Lee  <walt@tilera.com>
23024
23025         PR target/78862
23026         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
23027         after initial stackframe link reg save.
23028         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
23029
23030 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
23031
23032         PR target/79354
23033         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
23034         wu for stxssp alternative.
23035
23036 2017-02-03  Martin Sebor  <msebor@redhat.com>
23037
23038         PR tree-optimization/79352
23039         * gimple-fold.c (get_range_strlen): Add argument.
23040         (get_range_strlen): Change return type to bool.
23041         (get_maxval_strlen): Pass in a dummy argument.
23042         * gimple-fold.h (get_range_strlen): Change return type to bool.
23043         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
23044         * tree.h (array_at_struct_end_p): Add argument.
23045         * tree.c (array_at_struct_end_p): Handle it.
23046
23047 2017-02-03  Martin Liska  <mliska@suse.cz>
23048
23049         PR lto/66295
23050         * multiple_target.c (create_dispatcher_calls): Redirect edge
23051         from a caller of a dispatcher.
23052         (expand_target_clones): Make the clones local.
23053         (ipa_target_clone): Do both target clones and resolvers.
23054         (ipa_dispatcher_calls): Remove the pass.
23055         (pass_dispatcher_calls::gate): Likewise.
23056         (make_pass_dispatcher_calls): Likewise.
23057         * passes.def (pass_target_clone): Put as very first IPA early
23058         pass.
23059
23060 2017-02-03  Martin Liska  <mliska@suse.cz>
23061
23062         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
23063         in case of a function with ifunc attribute.
23064
23065 2017-02-03  Martin Liska  <mliska@suse.cz>
23066
23067         * cgraph.c (cgraph_node::dump): Dump function version info.
23068         * symtab.c (symtab_node::dump_base): Add missing new line.
23069
23070 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23071
23072         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
23073         (ifcombine_ifandif): Use it.
23074
23075 2017-02-03  Martin Liska  <mliska@suse.cz>
23076
23077         * doc/invoke.texi: Document default value for
23078         use-after-scope-direct-emission-threshold.
23079
23080 2017-02-03  Martin Liska  <mliska@suse.cz>
23081
23082         PR tree-optimization/79339
23083         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
23084         (format_floating): Likewise.
23085
23086 2017-02-03  Martin Liska  <mliska@suse.cz>
23087
23088         PR ipa/79337
23089         * ipa-prop.c (ipa_node_params_t::insert): Remove current
23090         implementation.
23091         (ipa_node_params_t::remove): Likewise.
23092         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
23093         initialization from removed ipa_node_params_t::insert.
23094         (ipa_node_params::~ipa_node_params): Move from removed
23095         ipa_node_params_t::release.
23096         * symbol-summary.h (symbol_summary::m_released): New member.
23097         Do not release a summary twice.  Do not allow to call finalizer
23098         for types of a summary that live in GGC memory.
23099
23100 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
23101
23102         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
23103         cmp_branch fusion.
23104
23105 2017-02-02  Martin Sebor  <msebor@redhat.com>
23106
23107         PR middle-end/79275
23108         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
23109         (format_string): Tighten up the range of output for non-constant
23110         strings and correct the expected range for wide non-constant strings.
23111
23112 2017-02-02  Martin Sebor  <msebor@redhat.com>
23113
23114         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
23115
23116         PR middle-end/32003
23117         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
23118         index.
23119         (-fdump-tree-@var): Add to index and document how to come up
23120         with pass-specific option and dump file names.
23121         (-fdump-passes): Clarify where to look for output.
23122
23123 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23124
23125         PR middle-end/77445
23126         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
23127         statistics of the analyzed path; allow threading for speed when
23128         any of BBs along the path are optimized for speed.
23129
23130 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
23131
23132         PR middle-end/78468
23133         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
23134         settings of the virtual registers.
23135
23136         Revert again
23137         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23138
23139         * explow.c (get_dynamic_stack_size): Take known alignment of stack
23140         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
23141         needed.
23142
23143 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23144
23145         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
23146         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
23147
23148 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23149
23150         * config/s390/s390.md: Add missing comments with the expanded
23151         mnemonics.
23152         * config/s390/vector.md: Likewise.
23153         * config/s390/vx-builtins.md: Likewise.
23154
23155 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
23156
23157         PR target/79197
23158         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
23159         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
23160         conditions on a single line.
23161
23162 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23163
23164         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23165         __S390_VX__ to __VX__.
23166
23167 2017-02-01  Andrew Pinski  <apinski@cavium.com>
23168
23169         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
23170         stmt_info to record_stmt_cost.
23171         (vect_get_known_peeling_cost): Pass stmt_info if known to
23172         record_stmt_cost.
23173         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
23174         cpu_vector_cost field into
23175         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
23176         field into vec_int_stmt_cost and vec_fp_stmt_cost.
23177         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
23178         splitting of scalar_stmt_cost and vec_stmt_cost.
23179         (thunderx_vector_cost): Likewise.
23180         (cortexa57_vector_cost): LIkewise.
23181         (exynosm1_vector_cost): Likewise.
23182         (xgene1_vector_cost): Likewise.
23183         (thunderx2t99_vector_cost): Improve after the splitting of the two
23184         fields.
23185         (aarch64_builtin_vectorization_cost): Update for the splitting of
23186         scalar_stmt_cost and vec_stmt_cost.
23187
23188 2017-02-01  Torvald Riegel  <triegel@redhat.com>
23189             Richard Henderson  <rth@redhat.com>
23190
23191         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
23192         conditional on existance of a fast atomic load.
23193         * optabs-query.c (can_atomic_load_p): New function.
23194         * optabs-query.h (can_atomic_load_p): Declare it.
23195         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
23196         no fast atomic load is available for the particular size of access.
23197         (expand_atomic_compare_and_swap): Likewise.
23198         (expand_atomic_load): Likewise.
23199         (expand_atomic_store): Likewise.
23200         (expand_atomic_fetch_op): Likewise.
23201         * testsuite/lib/target-supports.exp
23202         (check_effective_target_sync_int_128): Remove x86 because it provides
23203         no fast atomic load.
23204         (check_effective_target_sync_int_128_runtime): Likewise.
23205
23206 2017-02-01  Richard Biener  <rguenther@suse.de>
23207
23208         * graphite.c: Include tree-vectorizer.h for find_loop_location.
23209         (graphite_transform_loops): Provide opt-info for optimized nests.
23210         * tree-parloop.c (parallelize_loops): Provide opt-info for
23211         parallelized loops.
23212
23213 2017-02-01  Richard Biener  <rguenther@suse.de>
23214
23215         PR middle-end/79315
23216         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
23217         was not set before.
23218
23219 2017-02-01  Richard Biener  <rguenther@suse.de>
23220
23221         PR tree-optimization/71824
23222         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
23223         Verify the loops are valid in the merged SESE region.
23224         (scop_detection::can_represent_loop_1): Check analyzing the
23225         evolution of the number of iterations in the region succeeds.
23226
23227 2017-01-31  Ian Lance Taylor  <iant@golang.org>
23228
23229         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
23230         REG_ARGS_SIZE note to 32-bit push insns and call insn.
23231
23232 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
23233
23234         PR preprocessor/79210
23235         * input.c (get_substring_ranges_for_loc): Replace line_width
23236         assertion with error-handling.
23237
23238 2017-01-31  Richard Biener  <rguenther@suse.de>
23239
23240         PR tree-optimization/77318
23241         * graphite-sese-to-poly.c (extract_affine): Fix assert.
23242         (create_pw_aff_from_tree): Take loop parameter.
23243         (add_condition_to_pbb): Pass loop of the condition to
23244         create_pw_aff_from_tree.
23245
23246 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23247
23248         * config/s390/s390.c (s390_asan_shadow_offset): New function.
23249         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
23250
23251 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
23252
23253         PR target/78597
23254         PR target/79038
23255         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
23256         no longer used.
23257         (convert_int_to_float128): Likewise.
23258         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
23259         (convert_int_to_float128): Likewise.
23260         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
23261         (UNSPEC_IEEE128_CONVERT): Likewise.
23262         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
23263         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
23264         Use local variables for IBM extended format.
23265         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
23266         (fix_trunc<mode>si2_fprs): Likewise.
23267         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
23268         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
23269         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
23270         to know that we can now have integers of all sizes in vector
23271         registers.
23272         (fix<uns>_<mode>di2_hw): Likewise.
23273         (float<uns>_<mode>si2_hw): Likewise.
23274         (fix_<mode>si2_hw): Likewise.
23275         (fixuns_<mode>si2_hw): Likewise.
23276         (float<uns>_<mode>di2_hw): Likewise.
23277         (float_<mode>di2_hw): Likewise.
23278         (float_<mode>si2_hw): Likewise.
23279         (floatuns_<mode>di2_hw): Likewise.
23280         (floatuns_<mode>si2_hw): Likewise.
23281         (xscvqp<su>wz_<mode>): Delete, no longer used.
23282         (xscvqp<su>dz_<mode>): Likewise.
23283         (xscv<su>dqp_<mode>): Likewise.
23284         (ieee128_mfvsrd_64bit): Likewise.
23285         (ieee128_mfvsrd_32bit): Likewise.
23286         (ieee128_mfvsrwz): Likewise.
23287         (ieee128_mtvsrw): Likewise.
23288         (ieee128_mtvsrd_64bit): Likewise.
23289         (ieee128_mtvsrd_32bit): Likewise.
23290
23291 2017-01-31  Martin Liska  <mliska@suse.cz>
23292
23293         PR ipa/79285
23294         * ipa-prop.c (ipa_free_all_node_params): Call release method
23295         instead of ~sumbol_summary to not to trigger double times
23296         dtor of hash_map.
23297
23298 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
23299
23300         PR tree-optimization/71691
23301         * bitmap.h (class auto_bitmap): New.
23302         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
23303         is_maybe_undefined instead of ssa_undefined_value_p.
23304
23305 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23306
23307         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23308         __S390_ARCH_LEVEL__ to __ARCH__.
23309
23310 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23311
23312         PR tree-optimization/79267
23313         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
23314         if should_remove_lhs_p is true.
23315
23316 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
23317
23318         PR debug/63238
23319         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
23320         (add_alignment_attribute): New.
23321         (base_type_die): Add alignment attribute.
23322         (subrange_type_die): Likewise.
23323         (modified_type_die): Likewise.
23324         (gen_array_type_die): Likewise.
23325         (gen_descr_array_type_die: Likewise.
23326         (gen_enumeration_type_die): Likewise.
23327         (gen_subprogram_die): Likewise.
23328         (gen_variable_die): Likewise.
23329         (gen_field_die): Likewise.
23330         (gen_ptr_to_mbr_type_die): Likewise.
23331         (gen_struct_or_union_type_die): Likewise.
23332         (gen_subroutine_type_die): Likewise.
23333         (gen_typedef_die): Likewise.
23334         (base_type_cmp): Compare alignment attribute.
23335
23336 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23337
23338         PR target/79170
23339         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
23340         (setb_unsigned) New pattern for setb with CCUNS.
23341         * config/rs6000/rs6000.c (expand_block_compare): Use a different
23342         subfc./subfe sequence to avoid overflow problems.  Generate a
23343         shorter sequence with cmpld/setb for power9.
23344         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
23345         for generating subfc. instruction.
23346         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
23347         now uses this instruction.
23348
23349 2017-01-30  Ian Lance Taylor  <iant@google.com>
23350
23351         PR debug/79289
23352         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
23353         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
23354
23355 2017-01-30  Martin Sebor  <msebor@redhat.com>
23356
23357         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
23358         Move constant to the right of a relational operator.
23359         (get_mpfr_format_length, format_character, format_string): Ditto.
23360         (should_warn_p, maybe_warn): Same.
23361
23362         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
23363
23364 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
23365
23366         PR lto/79061
23367         * asan.c (get_translation_unit_decl): Remove function.
23368         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
23369
23370 2017-01-30  Martin Liska  <mliska@suse.cz>
23371
23372         PR gcov-profile/79259
23373         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
23374         -fprofile-generate.
23375
23376 2017-01-30  Martin Liska  <mliska@suse.cz>
23377
23378         PR bootstrap/78985
23379         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
23380         Initialize variables with NULL value.
23381
23382 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
23383
23384         PR target/79260
23385         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
23386         tm_p_file.
23387         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
23388
23389 2017-01-30  Richard Biener  <rguenther@suse.de>
23390
23391         PR tree-optimization/79276
23392         * tree-vrp.c (process_assert_insertions): Properly adjust common
23393         when removing a duplicate.
23394
23395         * gcc.dg/torture/pr79276.c: New testcase.
23396
23397 2017-01-30  Richard Biener  <rguenther@suse.de>
23398
23399         PR tree-optimization/79256
23400         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23401         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23402         alignment on TYPE.
23403         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
23404
23405 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23406
23407         PR target/79240
23408         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
23409         ("*r<noxa>sbg_<mode>_sll_bitmask")
23410         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
23411         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
23412         Use contiguous_bitmask_nowrap_operand.
23413
23414 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23415
23416         PR target/79268
23417         * config/rs6000/altivec.h (vec_xl): Revise #define.
23418         (vec_xst): Likewise.
23419
23420 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
23421
23422         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
23423
23424 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
23425
23426         PR rtl-optimization/79194
23427         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
23428         traps before call to bypass_conditional_jumps.
23429
23430 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23431
23432         PR tree-optimization/71374
23433         * lra-constraints.c (check_conflict_input_operands): New.
23434         (match_reload): Use it.
23435
23436 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23437
23438         PR target/79131
23439         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
23440         account to calculate conflict_set.
23441
23442 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
23443
23444         PR rtl-optimization/78559
23445         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
23446         other_insn in combine.
23447
23448 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
23449
23450         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
23451         uint16_type_node for BT_UINT16.
23452
23453 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
23454
23455         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
23456         "RTL Tests" to menu.
23457         (GIMPLE Tests): New node.
23458         (RTL Tests): New node.
23459
23460 2017-01-27  Richard Biener  <rguenther@suse.de>
23461
23462         PR tree-optimization/79245
23463         * tree-loop-distribution.c (distribute_loop): Apply cost
23464         modeling also to detected patterns.
23465
23466 2017-01-27  Richard Biener  <rguenther@suse.de>
23467
23468         PR tree-optimization/71433
23469         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
23470         (compare_assert_loc): New function.
23471         (process_assert_insertions): Sort and optimize assert locations
23472         to remove duplicates and push down identical assertions on
23473         edges to their destination block.
23474
23475 2017-01-27  Richard Biener  <rguenther@suse.de>
23476
23477         PR tree-optimization/79244
23478         * tree-vrp.c (remove_range_assertions): Forcefully propagate
23479         out SSA names even if abnormal.
23480
23481 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
23482
23483         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
23484         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
23485         instead of MPFR_RNDN.
23486
23487 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
23488
23489         PR target/79239
23490         * arm.c (arm_option_override): Don't call build_target_option_node
23491         until after doing all option overrides.
23492         (arm_valid_target_attribute_tree): Likewise.
23493
23494 2017-01-27  Martin Liska  <mliska@suse.cz>
23495
23496         * doc/invoke.texi (-fprofile-arcs): Document profiling support
23497         for {cd}tors and C++ {cd}tors.
23498
23499 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23500
23501         * config/s390/s390.md ("*setmem_long_and")
23502         ("*setmem_long_and_31z"): Use zero_extend instead of and.
23503
23504 2017-01-26  Martin Sebor  <msebor@redhat.com>
23505
23506         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
23507         of precision.
23508
23509 2017-01-26  Martin Sebor  <msebor@redhat.com>
23510
23511         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
23512         HAVE_DFmode before using XFmode or DFmode.
23513         (parse_directive): Avoid using the z length modifier to avoid
23514         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
23515
23516         PR middle-end/78703
23517         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
23518         to accept adjustment as an array.
23519         (get_int_range): New function.
23520         (struct directive): Make width and prec arrays.
23521         (directive::set_width, directive::set_precision): Call get_int_range.
23522         (format_integer, format_floating): Handle width and precision ranges.
23523         (format_string, parse_directive): Same.
23524
23525 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23526
23527         PR debug/79129
23528         * dwarf2out.c (generate_skeleton_bottom_up): For children with
23529         comdat_type_p set, just clone them, but keep the children in the
23530         original DIE.
23531
23532         PR debug/78835
23533         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
23534         which have direct callers with -fvar-tracking-assignments enabled
23535         in the current TU.
23536         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
23537         inside of type units.
23538
23539 2017-01-26  Martin Sebor  <msebor@redhat.com>
23540
23541         PR middle-end/78703
23542         * gimple-ssa-sprintf.c (struct result_range): Add likely and
23543         unlikely counters.
23544         (struct format_result): Replace number_chars, number_chars_min,
23545         and number_chars_max with a single member of struct result_range.
23546         Remove bounded.
23547         (format_result::operator+=): Adjust.
23548         (struct fmtresult): Remove bounded.  Handle likely and unlikely
23549         counters.
23550         (fmtresult::adjust_for_width_or_precision): New function.
23551         (fmtresult:type_max_digits): New function.
23552         (bytes_remaining): Handle likely and unlikely counters.
23553         (min_bytes_remaining): Remove.
23554         (format_percent): Simplify.
23555         (format_integer, format_floating): Set likely and unlikely counters.
23556         (get_string_length, format_character, format_string): Same.
23557         (format_plain, should_warn_p): New function.
23558         (maybe_warn): Call should_warn_p.  Update diagnostic messages
23559         and handle those for all directives, including plain strings.
23560         (format_directive): Handle likely and unlikely counters.
23561         Remove unnecessary quoting from diagnostics.  Add an informational
23562         note.
23563         (add_bytes): Remove.
23564         (pass_sprintf_length::compute_format_length): Simplify.
23565         (try_substitute_return_value): Handle likely and unlikely counters.
23566
23567 2017-01-26  Carl Love  <cel@us.ibm.com>
23568
23569         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
23570         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
23571
23572 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
23573
23574         PR target/79131
23575         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
23576         endianess for subregs into account.
23577         * lra-constraints.c (lra_constraints): Do risky transformations
23578         always on the first iteration.
23579         * lra-lives.c (check_pseudos_live_through_calls): Add arg
23580         last_call_used_reg_set.
23581         (process_bb_lives): Define and use last_call_used_reg_set.
23582         * lra.c (lra): Always continue after lra_constraints on the first
23583         iteration.
23584
23585 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
23586
23587         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
23588         constant.
23589         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
23590
23591 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23592
23593         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
23594         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
23595         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
23596         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
23597         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
23598         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
23599         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
23600         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
23601         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
23602
23603 2017-01-26  Marek Polacek  <polacek@redhat.com>
23604
23605         PR c/79199
23606         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
23607         for the third operand.
23608
23609 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23610
23611         PR middle-end/79236
23612         * omp-low.c (struct omp_context): Add simt_stmt field.
23613         (scan_omp_for): Return omp_context *.
23614         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
23615         context to the _simt_ SIMD stmt.
23616         (lower_omp_for): For combined SIMD with sibling _simt_
23617         SIMD, make sure to use the same decls in _looptemp_
23618         clauses as in the sibling.
23619
23620 2017-01-26  David Sherwood  <david.sherwood@arm.com>
23621
23622         PR middle-end/79212
23623         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
23624         all contexts.
23625
23626 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23627
23628         PR target/70465
23629         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
23630         emit fld b; fld a; if possible.
23631
23632         * brig-builtins.def: Update copyright years.
23633         * config/arm/arm_acle_builtins.def: Update copyright years.
23634
23635 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
23636
23637         PR target/79179
23638         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
23639         constraint instead of o for the stxsd instruction.
23640
23641 2017-01-25  Carl Love  <cel@us.ibm.com>
23642
23643         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
23644         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
23645
23646 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
23647
23648         * doc/invoke.texi (C++ Dialect Options): Fix typo.
23649
23650 2017-01-25  Richard Biener  <rguenther@suse.de>
23651
23652         PR tree-optimization/69264
23653         * target.def (vector_alignment_reachable): Improve documentation.
23654         * doc/tm.texi: Regenerate.
23655         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
23656         and add a comment.
23657         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
23658         earlier changes with respect to TYPE_USER_ALIGN.
23659         (vector_alignment_reachable_p): Likewise.  Improve dumping.
23660
23661 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23662
23663         PR target/79145
23664         * config/arm/arm.md (xordi3): Force constant operand into a register
23665         for TARGET_IWMMXT.
23666
23667 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23668
23669         * doc/invoke.texi (-fstore-merging): Correct default optimization
23670         levels at which it is enabled.
23671         (-O): Move -fstore-merging from list to...
23672         (-O2): ... Here.
23673
23674 2017-01-25  Richard Biener  <rguenther@suse.de>
23675
23676         PR debug/78363
23677         * omp-expand.c: Include debug.h.
23678         (expand_omp_taskreg): Make sure to generate early debug before
23679         outlining anything from a function.
23680         (expand_omp_target): Likewise.
23681         (grid_expand_target_grid_body): Likewise.
23682
23683 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
23684
23685         PR lto/79061
23686         * asan.c (get_translation_unit_decl): New function.
23687         (asan_add_global): Extract modules file name from globals
23688         TRANSLATION_UNIT_DECL name.
23689
23690 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
23691
23692         PR target/77439
23693         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
23694         for long calls with APCS frame and VFP.
23695
23696 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
23697
23698         * cfg.c (original_copy_tables_initialized_p): New function.
23699         * cfg.h (original_copy_tables_initialized_p): New decl.
23700         * cfgrtl.c (relink_block_chain): Guard the call to
23701         free_original_copy_tables with a call to
23702         original_copy_tables_initialized_p.
23703         * cgraph.h (symtab_node::native_rtl_p): New decl.
23704         * cgraphunit.c (symtab_node::native_rtl_p): New function.
23705         (symtab_node::needed_p): Don't assert for early assembly output
23706         for __RTL functions.
23707         (cgraph_node::finalize_function): Set "force_output" for __RTL
23708         functions.
23709         (cgraph_node::analyze): Bail out early for __RTL functions.
23710         (analyze_functions): Update assertion to support __RTL functions.
23711         (cgraph_node::expand): Bail out early for __RTL functions.
23712         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
23713         __RTL functions.
23714         * function.h (struct function): Update comment for field
23715         "pass_startwith".
23716         * gimple-expr.c: Include "tree-pass.h".
23717         (gimple_has_body_p): Return false for __RTL functions.
23718         * Makefile.in (OBJS): Add run-rtl-passes.o.
23719         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
23720         accessor.
23721         (gcc::pass_manager::get_clean_slate): New accessor.
23722         * passes.c: Include "insn-addr.h".
23723         (should_skip_pass_p): Add logging.  Update logic for running
23724         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
23725         property-provider override so it is only done for gimple passes.
23726         Don't skip dfinit.
23727         (skip_pass): New function.
23728         (execute_one_pass): Call skip_pass when skipping passes.
23729         * read-md.c (md_reader::read_char): Support filtering
23730         the input to a subset of line numbers.
23731         (md_reader::md_reader): Initialize fields
23732         m_first_line and m_last_line.
23733         (md_reader::read_file_fragment): New function.
23734         * read-md.h (md_reader::read_file_fragment): New decl.
23735         (md_reader::m_first_line): New field.
23736         (md_reader::m_last_line): New field.
23737         * read-rtl-function.c (function_reader::create_function): Only
23738         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
23739         curr_properties.  Set DECL_INITIAL to a dummy block.
23740         (read_rtl_function_body_from_file_range): New function.
23741         * read-rtl-function.h (read_rtl_function_body_from_file_range):
23742         New decl.
23743         * run-rtl-passes.c: New file.
23744         * run-rtl-passes.h: New file.
23745
23746 2017-01-24  Jeff Law  <law@redhat.com>
23747
23748         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
23749         buffer size.
23750
23751 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
23752
23753         PR tree-optimization/79159
23754         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
23755         (record_nonwrapping_iv): Improve boundary using above function if no
23756         value range information.
23757
23758 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
23759             Martin Jambor  <mjambor@suse.cz>
23760
23761         * brig-builtins.def: New file.
23762         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
23763         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
23764         (DEF_HSAIL_SAT_BUILTIN): Likewise.
23765         (DEF_HSAIL_INTR_BUILTIN): Likewise.
23766         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
23767         * builtin-types.def (BT_INT8): New.
23768         (BT_INT16): Likewise.
23769         (BT_UINT8): Likewise.
23770         (BT_UINT16): Likewise.
23771         (BT_FN_ULONG): Likewise.
23772         (BT_FN_UINT_INT): Likewise.
23773         (BT_FN_UINT_ULONG): Likewise.
23774         (BT_FN_UINT_LONG): Likewise.
23775         (BT_FN_UINT_PTR): Likewise.
23776         (BT_FN_ULONG_PTR): Likewise.
23777         (BT_FN_INT8_FLOAT): Likewise.
23778         (BT_FN_INT16_FLOAT): Likewise.
23779         (BT_FN_UINT32_FLOAT): Likewise.
23780         (BT_FN_UINT16_FLOAT): Likewise.
23781         (BT_FN_UINT8_FLOAT): Likewise.
23782         (BT_FN_UINT64_FLOAT): Likewise.
23783         (BT_FN_UINT16_UINT32): Likewise.
23784         (BT_FN_UINT32_UINT16): Likewise.
23785         (BT_FN_UINT16_UINT16_UINT16): Likewise.
23786         (BT_FN_INT_PTR_INT): Likewise.
23787         (BT_FN_UINT_PTR_UINT): Likewise.
23788         (BT_FN_LONG_PTR_LONG): Likewise.
23789         (BT_FN_ULONG_PTR_ULONG): Likewise.
23790         (BT_FN_VOID_UINT64_UINT64): Likewise.
23791         (BT_FN_UINT8_UINT8_UINT8): Likewise.
23792         (BT_FN_INT8_INT8_INT8): Likewise.
23793         (BT_FN_INT16_INT16_INT16): Likewise.
23794         (BT_FN_INT_INT_INT): Likewise.
23795         (BT_FN_UINT_FLOAT_UINT): Likewise.
23796         (BT_FN_FLOAT_UINT_UINT): Likewise.
23797         (BT_FN_ULONG_UINT_UINT): Likewise.
23798         (BT_FN_ULONG_UINT_PTR): Likewise.
23799         (BT_FN_ULONG_ULONG_ULONG): Likewise.
23800         (BT_FN_UINT_UINT_UINT): Likewise.
23801         (BT_FN_VOID_UINT_PTR): Likewise.
23802         (BT_FN_UINT_UINT_PTR: Likewise.
23803         (BT_FN_UINT32_UINT64_PTR): Likewise.
23804         (BT_FN_INT_INT_UINT_UINT): Likewise.
23805         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
23806         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
23807         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
23808         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
23809         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
23810         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
23811         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
23812         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
23813         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
23814         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
23815         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
23816         * doc/frontends.texi: List BRIG FE.
23817         * doc/install.texi (Testing): Add BRIG tesring requirements.
23818         * doc/invoke.texi (Overall Options): Mention BRIG.
23819         * doc/standards.texi (Standards): Doucment BRIG HSA version.
23820
23821 2017-01-24  Richard Biener  <rguenther@suse.de>
23822
23823         PR translation/79208
23824         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
23825
23826 2017-01-24  Martin Jambor  <mjambor@suse.cz>
23827
23828         PR bootstrap/79198
23829         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
23830         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
23831         and known_contexts.
23832
23833 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
23834
23835         PR middle-end/79123
23836         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
23837         casts from signed to unsigned really don't have a range.
23838
23839 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
23840
23841         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
23842         GMP_RNDx for compatiblity.
23843
23844 2017-01-24  Martin Liska  <mliska@suse.cz>
23845
23846         PR bootstrap/79132
23847         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
23848         that would prevent us to call alloca with -1 as argument.
23849
23850 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
23851
23852         * dwarf2out.c (output_compilation_unit_header, output_file_names):
23853         Avoid -Wformat-security warning.
23854
23855 2017-01-23  Andrew Pinski  <apinski@cavium.com>
23856
23857         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
23858         cost table.
23859
23860 2017-01-23  Martin Sebor  <msebor@redhat.com>
23861
23862         PR middle-end/78703
23863         * gimple-ssa-sprintf.c (warn_level): New global.
23864         (format_integer): Use it here and throughout the rest of the file.
23865         Use the same switch to compute sign as base.
23866         (maybe_warn): New function.
23867         (format_directive): Factor out warnings into maybe_warn.
23868         Add debugging output.  Use warn_level.
23869         (add_bytes): Use warn_level.
23870         (pass_sprintf_length::compute_format_length): Add debugging output.
23871         (try_substitute_return_value): Same.
23872         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
23873
23874         PR middle-end/78703
23875         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
23876         (struct fmtresult, format_integer, format_floating): Adjust.
23877         (fmtresult::fmtresult): Set max correctly in two argument ctor.
23878         (get_string_length, format_string,format_directive): Same.
23879         (pass_sprintf_length::compute_format_length): Same.
23880         (try_substitute_return_value): Simplify slightly.
23881
23882         PR middle-end/78703
23883         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
23884         (fmtresult::operator+=): Outlined.
23885         (struct fmtresult): Add ctors.
23886         (struct conversion_spec): Rename...
23887         (struct directive): ...to this.  Add and remove data members.
23888         (directive::set_width, directive::set_precision): New functions.
23889         (format_percent): Use fmtresult ctor.
23890         (get_width_and_precision): Remove.
23891         (format_integer): Make naming changes.  Avoid computing width and
23892         precision.
23893         (format_floating): Same.  Adjust indentation.
23894         (format_character, format_none): New functions.
23895         (format_string): Moved character handling to format_character.
23896         (format_directive): Remove arguments, change return type.
23897         (parse_directive): New function.
23898         (pass_sprintf_length::compute_format_length): Move directive
23899         parsing to parse_directive.
23900
23901 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23902
23903         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
23904         (assign_assembler_name_if_needed): ... this.
23905         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
23906         (assign_assembler_name_if_needed): ... this.
23907         (free_lang_data_in_cgraph): Adjust callers.
23908         * cgraphunit.c (cgraph_node::analyze): Likewise.
23909         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
23910         Likewise.
23911
23912 2017-01-23  Richard Biener  <rguenther@suse.de>
23913
23914         PR tree-optimization/79088
23915         PR tree-optimization/79188
23916         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
23917         resetting loop bounds after last path deletion.  Reset loop
23918         bounds of the target loop, make code match the comments.
23919         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
23920         Make sure loops need no fixups.
23921
23922 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23923
23924         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
23925         exponent support with double type for first argument.
23926         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
23927         type returned by __builtin_vec_extract_sig,
23928         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
23929         functions from "vector int" to "vector unsigned int" or from
23930         "vector long long int" to "vector unsigned long long int".
23931         Changed type returned by __builtin_vec_extract_exp,
23932         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
23933         functions from "vector int" to "vector unsigned int" or from
23934         "vector long long int" to "vector unsigned long long int".
23935         Changed return type of __builtin_vec_test_data_class,
23936         __builtin_vec_test_data_class_sp, and
23937         __builtin_vec_test_data_class_dp from "vector int" to
23938         "vector bool int" or from "vector long long int" to "vector bool
23939         long long int" and changed second argument type from "unsigned
23940         int" to "int".  Added new overloaded function forms "vector float
23941         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
23942         "vector float __builtin_vec_insert_exp_sp (vector float, vector
23943         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
23944         double, vector unsigned long long int)" and "vector double
23945         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
23946         long int)".  Changed return type of
23947         __builtin_scalar_test_data_class and
23948         __builtin_scalar_test_data_class_sp and
23949         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
23950         int" and changed second argument from "unsigned int" to "int".
23951         Changed type returned by __builtin_scalar_test_neg,
23952         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
23953         from "int" to "bool int".  Added new overloaded function form
23954         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
23955         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
23956         exponent double-precision with floating point first argument.
23957         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
23958         documentation of scalar_test_data_class, scalar_test_neg,
23959         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
23960         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
23961         vec_test_data_class built-in functions to reflect refinements in
23962         their type signatures.
23963
23964 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
23965
23966         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
23967         size of buf.
23968         (aarch64_elf_asm_destructor): Likewise.
23969
23970 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
23971
23972         PR rtl-optimization/78634
23973         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
23974         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
23975         * ifcvt.c (noce_try_cmove): Add missing cost check.
23976
23977         PR rtl-optimization/71724
23978         * combine.c (if_then_else_cond): Look for situations where it is
23979         beneficial to undo the work of one of the recursive calls.
23980
23981 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
23982
23983         PR tree-optimization/70754
23984         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
23985         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
23986         combined stmt before it if not NULL.
23987         (combine_chains): Process refs reversely and compute dominance point
23988         for root ref.
23989
23990 2017-01-23  Martin Liska  <mliska@suse.cz>
23991
23992         PR tree-optimization/79196
23993         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
23994         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
23995         instead of memcmp.
23996         (strlen_optimize_stmt): Call the renamed function.
23997
23998 2017-01-23  Michael Matz  <matz@suse.de>
23999
24000         PR tree-optimization/78384
24001         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
24002
24003 2017-01-23  Richard Biener  <rguenther@suse.de>
24004
24005         PR tree-optimization/79186
24006         * tree-vrp.c (register_new_assert_for): Make sure we've seen
24007         both incoming edges before moving an assert.
24008
24009 2017-01-23  Martin Jambor  <mjambor@suse.cz>
24010
24011         * ipa-prop.c (load_from_param_1): Removed.
24012         (load_from_unmodified_param): Bits from load_from_param_1 put back
24013         here.
24014         (load_from_param): Removed.
24015         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
24016         with stmt.  Reverted back to use of load_from_unmodified_param.
24017
24018 2017-01-23  Martin Jambor  <mjambor@suse.cz>
24019
24020         PR ipa/79108
24021         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
24022         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
24023         field a pointer to garbage collected vector, mark lattices and
24024         ipcp_orig_node with GTY((skip)).
24025         (ipa_get_param_count): Adjust to descriptors being a pointer.
24026         (ipa_get_param): Likewise.
24027         (ipa_get_type): Likewise.
24028         (ipa_get_param_move_cost): Likewise.
24029         (ipa_set_param_used): Likewise.
24030         (ipa_get_controlled_uses): Likewise.
24031         (ipa_set_controlled_uses): Likewise.
24032         (ipa_is_param_used): Likewise.
24033         (ipa_node_params_t): Move into garbage collector.  New methods insert
24034         and remove.
24035         (ipa_node_params_sum): Annotate wth GTY(()).
24036         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
24037         garbage collected.
24038         (ipa_load_from_parm_agg): Adjust declaration.
24039         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
24040         * ipa-profile.c (ipa_profile): Likewise.
24041         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
24042         (ipa_populate_param_decls): Make descriptors parameter garbage
24043         collected.
24044         (ipa_dump_param): Adjust to descriptors being a pointer.
24045         (ipa_alloc_node_params): Likewise.
24046         (ipa_initialize_node_params): Likewise.
24047         (load_from_param_1): Make descriptors parameter garbage collected.
24048         (load_from_unmodified_param): Likewise.
24049         (load_from_param): Likewise.
24050         (ipa_load_from_parm_agg): Likewise.
24051         (ipa_node_params::~ipa_node_params): Removed.
24052         (ipa_free_all_node_params): Remove call to delete operator.
24053         (ipa_node_params_t::insert): New.
24054         (ipa_node_params_t::remove): Likewise.
24055         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
24056         copy known_csts and known_contexts vectors.
24057         (ipa_read_node_info): Adjust to descriptors being a pointer.
24058         (ipcp_modif_dom_walker): Make m_descriptors field garbage
24059         collected.
24060         (ipcp_transform_function): Make descriptors variable garbage
24061         collected.
24062
24063 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
24064
24065         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
24066         * config/i386/avx512dqintrin.h: Ditto.
24067         * config/i386/avx512fintrin.h: Ditto.
24068         * config/i386/i386.c: Handle new builtins.
24069         * config/i386/i386-builtin.def: Add new builtins.
24070         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
24071         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
24072
24073 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
24074             Martin Liska  <mliska@suse.cz>
24075
24076         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
24077         * asan.c (asan_expand_poison_ifn): Support stores and use
24078         appropriate ASAN report function.
24079         * internal-fn.c (expand_ASAN_POISON_USE): New function.
24080         * internal-fn.def (ASAN_POISON_USE): Declare.
24081         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
24082         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
24083         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
24084         ASAN_POISON calls w/o LHS.
24085         * tree-ssa.c (execute_update_addresses_taken): Create clobber
24086         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
24087         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
24088         * gimplify.c (asan_poison_variables): Add attribute
24089         use_after_scope_memory to variables that really needs to live
24090         in memory.
24091         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
24092         having the attribute.
24093
24094 2017-01-23  Martin Liska  <mliska@suse.cz>
24095
24096         * asan.c (create_asan_shadow_var): New function.
24097         (asan_expand_poison_ifn): Likewise.
24098         * asan.h (asan_expand_poison_ifn): New declaration.
24099         * internal-fn.c (expand_ASAN_POISON): Likewise.
24100         * internal-fn.def (ASAN_POISON): New builtin.
24101         * sanopt.c (pass_sanopt::execute): Expand
24102         asan_expand_poison_ifn.
24103         * tree-inline.c (copy_decl_for_dup_finish): Make function
24104         external.
24105         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
24106         * tree-ssa.c (is_asan_mark_p): New function.
24107         (execute_update_addresses_taken): Rewrite local variables
24108         (identified just by use-after-scope as addressable) into SSA.
24109
24110 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24111
24112         * doc/install.texi (Specific): opensource.apple.com uses https
24113         now. Remove trailing slash.
24114
24115 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24116
24117         * README.Portability: Remove note on an Irix compatibility issue.
24118
24119 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
24120
24121         * gcov.c (INCLUDE_ALGORITHM): Define.
24122         (INCLUDE_VECTOR): Define.
24123         No longer include <vector> and <algorithm> directly.
24124
24125 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
24126
24127         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
24128         to https.
24129         * doc/invoke.texi (Code Gen Options): Ditto.
24130
24131 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
24132
24133         PR lto/78407
24134         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
24135
24136 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
24137
24138         rtl-optimization/79125
24139         * cprop.c (local_cprop_pass): Handle cases where we make an
24140         unconditional trap.
24141
24142 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
24143
24144         PR target/61729
24145         PR target/77850
24146         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
24147         read from, for big endian.
24148
24149 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
24150
24151         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
24152         register pauth builtins for LP64 only.
24153
24154 2017-01-20  Marek Polacek  <polacek@redhat.com>
24155
24156         PR c/79152
24157         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
24158         non-case labels.
24159
24160 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24161
24162         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
24163         of safelen status.
24164         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
24165         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
24166         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
24167
24168 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24169
24170         PR target/71270
24171         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
24172         in big-endian mode when they are not a single duplicated value.
24173
24174 2017-01-20  Richard Biener  <rguenther@suse.de>
24175
24176         * BASE-VER: Bump to 7.0.1.
24177
24178 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24179
24180         * omp-low.c (omplow_simd_context): New struct.  Use it...
24181         (lower_rec_simd_input_clauses): ...here and...
24182         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
24183         references to idx, lane, max_vf, is_simt.
24184
24185 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
24186
24187         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
24188         mcpu=nps400.
24189
24190 2017-01-20  Martin Jambor  <mjambor@suse.cz>
24191
24192         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
24193         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
24194         gt-hsa-common.h.
24195         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
24196         (GTFILES): Rename hsa.c to hsa-common.c.
24197         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
24198         * hsa-dump.c: Likewise.
24199         * hsa-gen.c: Likewise.
24200         * hsa-regalloc.c: Likewise.
24201         * ipa-hsa.c: Likewise.
24202         * omp-expand.c: Likewise.
24203         * omp-low.c: Likewise.
24204         * toplev.c: Likewise.
24205
24206 2017-01-20  Marek Polacek  <polacek@redhat.com>
24207
24208         PR c/64279
24209         * doc/invoke.texi: Document -Wduplicated-branches.
24210         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
24211         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
24212         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
24213         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
24214         return 0 only when not OEP_LEXICOGRAPHIC.
24215         (fold_build_cleanup_point_expr): Use the expression
24216         location when building CLEANUP_POINT_EXPR.
24217         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
24218         * tree.c (add_expr): Handle error_mark_node.
24219
24220 2017-01-20  Martin Liska  <mliska@suse.cz>
24221
24222         PR lto/69188
24223         * tree-profile.c (init_ic_make_global_vars): Do not call
24224         finalize_decl.
24225         (gimple_init_gcov_profiler): Likewise.
24226
24227 2017-01-20  Martin Liska  <mliska@suse.cz>
24228
24229         PR ipa/71190
24230         * cgraph.h (maybe_create_reference): Remove argument and
24231         update comment.
24232         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
24233         argument.
24234         * ipa-cp.c (create_specialized_node): Likewise.
24235         * symtab.c (symtab_node::maybe_create_reference): Handle
24236         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
24237
24238 2017-01-20  Martin Liska  <mliska@suse.cz>
24239
24240         * read-rtl-function.c (function_reader::create_function): Use
24241         build_decl instread of build_decl_stat.
24242
24243 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
24244
24245         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
24246         * config/i386/avx512dqintrin.h: Ditto.
24247         * config/i386/avx512fintrin.h: Ditto.
24248         * config/i386/i386-builtin-types.def: Add new types.
24249         * config/i386/i386.c: Handle new types.
24250         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
24251         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
24252         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
24253         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
24254         (__builtin_ia32_kshiftridi): New.
24255         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
24256
24257 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
24258
24259         PR target/78875
24260         PR target/79140
24261         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
24262         define to rs6000_init_stack_protect_guard.
24263         (rs6000_init_stack_protect_guard): New function.
24264
24265 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24266             Yunqiang Su  <yunqiang.su@imgtec.com>
24267
24268         * config.gcc (supported_defaults): Add madd4.
24269         (with_madd4): Add validation.
24270         (all_defaults): Add madd4.
24271         * config/mips/mips.opt (mmadd4): New option.
24272         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24273         mmadd4.
24274         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24275         __mips_no_madd4.
24276         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
24277         (ISA_HAS_FUSED_MADD4): Likewise.
24278         * doc/invoke.texi (-mmadd4): Document the new option.
24279         * doc/install.texi (--with-madd4): Document the new option.
24280
24281 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24282
24283         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
24284         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
24285         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
24286         (aarch64_init_pauth_hint_builtins): New.
24287         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
24288         (aarch64_expand_builtin): Expand new builtins.
24289
24290 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24291
24292         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
24293         * combine-stack-adj.c (no_unhandled_cfa): Handle
24294         REG_CFA_TOGGLE_RA_MANGLE.
24295         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
24296         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
24297         info for return address signing.
24298         (aarch64_expand_epilogue): Likewise.
24299
24300 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24301
24302         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
24303         * config/aarch64/aarch64-protos.h
24304         (aarch64_return_address_signing_enabled): New declaration.
24305         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
24306         New function.
24307         (aarch64_expand_prologue): Sign return address before it's pushed onto
24308         stack.
24309         (aarch64_expand_epilogue): Authenticate return address fetched from
24310         stack.
24311         (aarch64_override_options): Sanity check for ILP32 and ISA level.
24312         (aarch64_attributes): New function attributes for "sign-return-address".
24313         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
24314         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
24315         ("*do_return"): Generate combined instructions according to key index.
24316         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
24317         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
24318         iterators.
24319         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
24320         * config/aarch64/aarch64.opt (msign-return-address=): New.
24321         * doc/extend.texi (AArch64 Function Attributes): Documents
24322         "sign-return-address=".
24323         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
24324
24325 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24326
24327         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
24328         overall option summary.
24329
24330 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24331
24332         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
24333         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
24334         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
24335         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
24336
24337 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
24338
24339         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
24340         -mpower9-minmax by default for -mcpu=power9.
24341         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
24342         128-bit floating point.
24343
24344 2017-01-20  Alan Modra  <amodra@gmail.com>
24345
24346         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
24347         optimizing for size.
24348
24349 2017-01-20  Alan Modra  <amodra@gmail.com>
24350
24351         PR target/79144
24352         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
24353         for strcmp and strncmp from corresponding builtin decl.
24354
24355 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24356
24357         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
24358         instead of i386/rtems-64.h.
24359         * config/i386/rtems-64.h: Remove.
24360
24361 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24362
24363         PR target/78478
24364         Revert:
24365         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
24366
24367         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
24368
24369 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
24370
24371         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
24372         Change int to HOST_WIDE_INT.
24373         * config/aarch64/aarch64-protos.h
24374         (aarch64_simd_gen_const_vector_dup): Likewise.
24375         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
24376
24377 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
24378
24379         * langhooks-def.h (lhd_type_for_size): New decl.
24380         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
24381         * langhooks.c (lhd_type_for_size): New function, taken from
24382         lto_type_for_size.
24383
24384 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
24385
24386         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
24387         define_bypass for CR latency.
24388         (power9-cracked-alu): Update bypass latency and remove power9-branch.
24389         (power9-alu2): Add define_bypass for CR latency.
24390         (power9-cmp): New.
24391         (power9-mul): Update insn latency.
24392         (power9-mul-compare): Update insn latency, bypass latency and remove
24393         power9-branch.
24394
24395 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24396
24397         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
24398         Delete.
24399         * config/aarch64/aarch64.md
24400         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
24401         aarch64_nopcrelative_literal_loads.
24402         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
24403
24404 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
24405
24406         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
24407         TARGET_LOONGSON_3A.
24408         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
24409
24410 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
24411
24412         PR target/78176
24413         * config.gcc (supported_defaults): Add lxc1-sxc1.
24414         (with_lxc1_sxc1): Add validation.
24415         (all_defaults): Add lxc1-sxc1.
24416         * config/mips/mips.opt (mlxc1-sxc1): New option.
24417         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24418         mlxc1-sxc1.
24419         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24420         __mips_no_lxc1_sxc1.
24421         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
24422         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
24423         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
24424
24425 2017-01-19  Richard Biener  <rguenther@suse.de>
24426
24427         PR tree-optimization/72488
24428         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
24429         sure to restore SSA info.
24430         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
24431
24432 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
24433
24434         PR rtl-optimization/79121
24435         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
24436         of the inner type when shifting an extended value.
24437
24438 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24439
24440         PR lto/78407
24441         * symtab.c (symtab_node::equal_address_to): Fix comparing of
24442         interposable aliases.
24443
24444 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
24445
24446         PR target/78516
24447         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
24448         Use the evmergelohi instruction.
24449         (mov_si<mode>_e500_subreg4_2_le): Likewise.
24450         (mov_sitf_e500_subreg8_2_be): Likewise.
24451         (mov_sitf_e500_subreg12_2_le): Likewise.
24452         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
24453         (mov_si<mode>_e500_subreg4_2_be): Likewise.
24454         (mov_sitf_e500_subreg8_2_le): Likewise.
24455         (mov_sitf_e500_subreg12_2_be): Likewise.
24456
24457 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24458
24459         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
24460         attribute from vecsimple to vecperm.
24461         (altivec_vbpermq2): Likewise.
24462
24463 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24464
24465         PR target/79040
24466         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
24467
24468 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
24469         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
24470         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
24471         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
24472         case where N arg is SIZE_MAX.
24473         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
24474         (cmpstrsi): Add pattern.
24475
24476 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
24477
24478         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
24479         __builtin_vec_revb builtins.
24480         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
24481         built-in functions to support generation of the ISA 3.0 XXBR<x>
24482         vector byte reverse instructions.
24483         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
24484         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
24485         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
24486         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
24487         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
24488         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
24489         (P9V_BUILTIN_VEC_REVB): Likewise.
24490         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
24491         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
24492         (p9_xxbrq_v16qi): Likewise.
24493         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
24494         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
24495         (p9_xxbrh_v8hi): Likewise.
24496         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
24497         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
24498         vec_revb built-in functions.
24499
24500 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
24501
24502         PR rtl-optimization/78952
24503         * config/i386/i386.md (any_extract): New code iterator.
24504         (*insvqi_2): Use any_extract for source operand.
24505         (*insvqi_3): Use any_shiftrt for source operand.
24506
24507 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
24508
24509         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
24510         New function.
24511         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
24512
24513 2017-01-18  Matthias Klose  <doko@ubuntu.com>
24514
24515         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
24516
24517 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24518
24519         * config/rs6000/altivec.h (vec_bperm): Change #define.
24520         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
24521         (altivec_vbpermq2): New define_insn.
24522         (altivec_vbpermd): Likewise.
24523         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
24524         function interface.
24525         (VBPERMD): Likewise.
24526         (VBPERM): New polymorphic function interface.
24527         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
24528         Add entries for P9V_BUILTIN_VEC_VBPERM.
24529         * doc/extend.texi: Add interfaces for vec_bperm.
24530
24531 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24532
24533         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
24534         first letter of error messages.
24535         (s390_resolve_overloaded_builtin): Likewise.
24536         * config/s390/s390.c (s390_expand_builtin): Likewise.
24537         (s390_invalid_arg_for_unprototyped_fn): Likewise.
24538         (s390_valid_target_attribute_inner_p): Likewise.
24539         * config/s390/s390.md ("tabort"): Likewise.
24540
24541 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
24542
24543         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
24544         (ISA_AVOID_DIV_HILO): New macro.
24545         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
24546         (ISA_HAS_DDIV): Likewise.
24547
24548 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24549
24550         * doc/invoke.texi (fabi-version): Correct number of occurrences.
24551
24552 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24553
24554         * doc/invoke.texi (fabi-version): Spelling fix.
24555
24556 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24557
24558         PR c++/70182
24559         * doc/invoke.texi (fabi-version): Mention mangling fix for
24560         operator names.
24561
24562 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24563
24564         PR c++/77489
24565         * doc/invoke.texi (fabi-version): Document discriminator mangling.
24566
24567 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
24568
24569         PR target/78875
24570         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
24571         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
24572         the new options.
24573         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
24574         flexible settings.
24575         (stack_protect_test): Ditto.
24576         * config/rs6000/rs6000.opt (mstack-protector-guard=,
24577         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
24578         options.
24579         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
24580         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
24581         -mstack-protector-guard-offset=.
24582         (RS/6000 and PowerPC Options): Ditto.
24583
24584 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24585
24586         * config/i386/i386.h (MASK_CLASS_P): New define.
24587         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
24588         there are no registers from different register sets also when
24589         mask registers are used.  Update function comment.
24590         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
24591         to (*k/*r) and (*k/*km) alternatives.
24592
24593 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
24594
24595         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
24596         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
24597         (EH_RETURN_HANDLER_RTX): New define.
24598         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
24599         Force frame pointer in EH return functions.
24600         (aarch64_expand_epilogue): Add barrier for eh_return.
24601         (aarch64_final_eh_return_addr): Remove.
24602         (aarch64_eh_return_handler_rtx): New function.
24603         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
24604         Remove.
24605         (aarch64_eh_return_handler_rtx): New prototype.
24606
24607 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24608
24609         * config/rs6000/altivec.h (vec_rlmi): New #define.
24610         (vec_vrlnm): Likewise.
24611         (vec_rlnm): Likewise.
24612         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
24613         (UNSPEC_VRLNM): Likewise.
24614         (VIlong): New mode iterator.
24615         (altivec_vrl<VI_char>mi): New define_insn.
24616         (altivec_vrl<VI_char>nm): Likewise.
24617         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
24618         function entry.
24619         (VRLDNM): Likewise.
24620         (RLNM): New polymorphic function entry.
24621         (VRLWMI): New monomorphic function entry.
24622         (VRLDMI): Likewise.
24623         (RLMI): New polymorphic function entry.
24624         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
24625         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
24626         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
24627         vec_vrlnm.
24628
24629 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24630
24631         PR debug/78839
24632         * dwarf2out.c (field_byte_offset): Restore the
24633         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
24634         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
24635         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
24636         of build2 + fold.
24637
24638 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24639
24640         PR ada/67205
24641         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
24642
24643 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24644
24645         PR debug/71669
24646         * dwarf2out.c (add_data_member_location_attribute): For constant
24647         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
24648         instead of DW_AT_data_member_location, DW_AT_bit_offset and
24649         DW_AT_byte_size attributes.
24650
24651 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24652
24653         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
24654         after forcing to constant memory when the code model is medium.
24655
24656 2017-01-17  Julia Koval  <julia.koval@intel.com>
24657
24658         PR target/76731
24659         * config/i386/avx512fintrin.h
24660         (_mm512_i32gather_ps): Change __addr type to void const*.
24661         (_mm512_mask_i32gather_ps): Ditto.
24662         (_mm512_i32gather_pd): Ditto.
24663         (_mm512_mask_i32gather_pd): Ditto.
24664         (_mm512_i64gather_ps): Ditto.
24665         (_mm512_mask_i64gather_ps): Ditto.
24666         (_mm512_i64gather_pd): Ditto.
24667         (_mm512_mask_i64gather_pd): Ditto.
24668         (_mm512_i32gather_epi32): Ditto.
24669         (_mm512_mask_i32gather_epi32): Ditto.
24670         (_mm512_i32gather_epi64): Ditto.
24671         (_mm512_mask_i32gather_epi64): Ditto.
24672         (_mm512_i64gather_epi32): Ditto.
24673         (_mm512_mask_i64gather_epi32): Ditto.
24674         (_mm512_i64gather_epi64): Ditto.
24675         (_mm512_mask_i64gather_epi64): Ditto.
24676         (_mm512_i32scatter_ps): Change __addr type to void*.
24677         (_mm512_mask_i32scatter_ps): Ditto.
24678         (_mm512_i32scatter_pd): Ditto.
24679         (_mm512_mask_i32scatter_pd): Ditto.
24680         (_mm512_i64scatter_ps): Ditto.
24681         (_mm512_mask_i64scatter_ps): Ditto.
24682         (_mm512_i64scatter_pd): Ditto.
24683         (_mm512_mask_i64scatter_pd): Ditto.
24684         (_mm512_i32scatter_epi32): Ditto.
24685         (_mm512_mask_i32scatter_epi32): Ditto.
24686         (_mm512_i32scatter_epi64): Ditto.
24687         (_mm512_mask_i32scatter_epi64): Ditto.
24688         (_mm512_i64scatter_epi32): Ditto.
24689         (_mm512_mask_i64scatter_epi32): Ditto.
24690         (_mm512_i64scatter_epi64): Ditto.
24691         (_mm512_mask_i64scatter_epi64): Ditto.
24692         * config/i386/avx512pfintrin.h
24693         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
24694         (_mm512_mask_prefetch_i32gather_ps): Ditto.
24695         (_mm512_mask_prefetch_i64gather_pd): Ditto.
24696         (_mm512_mask_prefetch_i64gather_ps): Ditto.
24697         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
24698         (_mm512_prefetch_i32scatter_ps): Ditto.
24699         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
24700         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
24701         (_mm512_prefetch_i64scatter_pd): Ditto.
24702         (_mm512_prefetch_i64scatter_ps): Ditto.
24703         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
24704         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
24705         * config/i386/avx512vlintrin.h
24706         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
24707         (_mm_mmask_i32gather_ps): Ditto.
24708         (_mm256_mmask_i32gather_pd): Ditto.
24709         (_mm_mmask_i32gather_pd): Ditto.
24710         (_mm256_mmask_i64gather_ps): Ditto.
24711         (_mm_mmask_i64gather_ps): Ditto.
24712         (_mm256_mmask_i64gather_pd): Ditto.
24713         (_mm_mmask_i64gather_pd): Ditto.
24714         (_mm256_mmask_i32gather_epi32): Ditto.
24715         (_mm_mmask_i32gather_epi32): Ditto.
24716         (_mm256_mmask_i32gather_epi64): Ditto.
24717         (_mm_mmask_i32gather_epi64): Ditto.
24718         (_mm256_mmask_i64gather_epi32): Ditto.
24719         (_mm_mmask_i64gather_epi32): Ditto.
24720         (_mm256_mmask_i64gather_epi64): Ditto.
24721         (_mm_mmask_i64gather_epi64): Ditto.
24722         (_mm256_i32scatter_ps): Change __addr type to void*.
24723         (_mm256_mask_i32scatter_ps): Ditto.
24724         (_mm_i32scatter_ps): Ditto.
24725         (_mm_mask_i32scatter_ps): Ditto.
24726         (_mm256_i32scatter_pd): Ditto.
24727         (_mm256_mask_i32scatter_pd): Ditto.
24728         (_mm_i32scatter_pd): Ditto.
24729         (_mm_mask_i32scatter_pd): Ditto.
24730         (_mm256_i64scatter_ps): Ditto.
24731         (_mm256_mask_i64scatter_ps): Ditto.
24732         (_mm_i64scatter_ps): Ditto.
24733         (_mm_mask_i64scatter_ps): Ditto.
24734         (_mm256_i64scatter_pd): Ditto.
24735         (_mm256_mask_i64scatter_pd): Ditto.
24736         (_mm_i64scatter_pd): Ditto.
24737         (_mm_mask_i64scatter_pd): Ditto.
24738         (_mm256_i32scatter_epi32): Ditto.
24739         (_mm256_mask_i32scatter_epi32): Ditto.
24740         (_mm_i32scatter_epi32): Ditto.
24741         (_mm_mask_i32scatter_epi32): Ditto.
24742         (_mm256_i32scatter_epi64): Ditto.
24743         (_mm256_mask_i32scatter_epi64): Ditto.
24744         (_mm_i32scatter_epi64): Ditto.
24745         (_mm_mask_i32scatter_epi64): Ditto.
24746         (_mm256_i64scatter_epi32): Ditto.
24747         (_mm256_mask_i64scatter_epi32): Ditto.
24748         (_mm_i64scatter_epi32): Ditto.
24749         (_mm_mask_i64scatter_epi32): Ditto.
24750         (_mm256_i64scatter_epi64): Ditto.
24751         (_mm256_mask_i64scatter_epi64): Ditto.
24752         (_mm_i64scatter_epi64): Ditto.
24753         (_mm_mask_i64scatter_epi64): Ditto.
24754         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
24755         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
24756         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
24757         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
24758         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
24759         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
24760         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
24761         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
24762         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
24763         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
24764         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
24765         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
24766         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
24767         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
24768         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
24769         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
24770         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
24771         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
24772         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
24773         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
24774         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
24775         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
24776         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
24777         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
24778         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
24779         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
24780         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
24781         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
24782         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
24783         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
24784         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
24785         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
24786         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
24787         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
24788         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
24789         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
24790         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
24791         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
24792         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
24793         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
24794         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
24795         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
24796         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
24797         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
24798         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
24799         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
24800         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
24801         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
24802         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
24803         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
24804         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
24805         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
24806         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
24807         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
24808         definitions accordingly.
24809
24810 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
24811             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
24812
24813         PR target/79079
24814         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
24815         gen_lowpart.
24816
24817 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
24818
24819         PR target/79058
24820         * ira-conflicts.c (ira_build_conflicts): Update total conflict
24821         hard regs for inner regno.
24822
24823 2017-01-17  Martin Liska  <mliska@suse.cz>
24824
24825         PR ipa/71207
24826         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
24827         assumption and add comment.
24828
24829 2017-01-17  Nathan Sidwell  <nathan@acm.org>
24830
24831         * ipa-visibility.c (localize_node): New function, broken out of ...
24832         (function_and_variable_visibility): ... here. Call it.
24833
24834 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24835
24836         PR middle-end/77445
24837         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
24838         correctly set frequency of oudgoing edge.
24839         (duplicate_thread_path): Fix profile updating.
24840
24841 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24842
24843         PR other/79046
24844         * configure.ac: Add GCC_BASE_VER.
24845         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
24846         version from BASE-VER file.
24847         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
24848         (gcc.o): Depend on $(BASEVER).
24849         * common.opt (dumpfullversion): New option.
24850         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
24851         * doc/invoke.texi: Document -dumpfullversion.
24852         * doc/install.texi: Document --with-gcc-major-version-only.
24853         * configure: Regenerated.
24854
24855 2017-01-17  Richard Biener  <rguenther@suse.de>
24856
24857         PR tree-optimization/71433
24858         * tree-vrp.c (register_new_assert_for): Merge same asserts
24859         on all incoming edges.
24860         (process_assert_insertions_for): Handle insertions at the
24861         beginning of BBs.
24862
24863 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
24864
24865         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
24866         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
24867
24868 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
24869
24870         PR target/78633
24871         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
24872         RTL sharing.
24873
24874 2017-01-17  Alan Modra  <amodra@gmail.com>
24875
24876         PR target/79066
24877         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
24878         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
24879         symbolic stack limit when pic.
24880
24881 2017-01-16  Martin Sebor  <msebor@redhat.com>
24882
24883         PR tree-optimization/78608
24884         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
24885
24886 2017-01-16  Jeff Law  <law@redhat.com>
24887
24888         Revert:
24889         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
24890         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
24891         for several include directories that may be relative to sysroot.
24892         * config/i386/x-mingw32 (gplus_includedir): Define.
24893         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
24894         (native_system_includedir): Likewise.
24895         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
24896         override if TARGET_SYSTEM_ROOT is defined.
24897         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
24898
24899         PR tree-optimization/79090
24900         PR tree-optimization/33562
24901         PR tree-optimization/61912
24902         PR tree-optimization/77485
24903         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
24904         and computed trims into the dump file.
24905
24906 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24907
24908         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
24909
24910 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
24911
24912         PR c/79089
24913         * gimplify.c (gimplify_init_constructor): If want_value and
24914         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
24915         fix.
24916
24917         PR target/79080
24918         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
24919         sequence.  Formatting fixes.
24920         (doloop_optimize): Formatting fixes.
24921
24922         PR driver/49726
24923         * gcc.c (debug_level_greater_than_spec_func): New function.
24924         (static_spec_functions): Add debug-level-gt spec function.
24925         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
24926         !g0.
24927         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24928         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24929         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
24930         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
24931         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
24932         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
24933
24934 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
24935
24936         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
24937         QImode fixups to general and mask registers only.
24938
24939 2017-01-16  Carl Love  <cel@us.ibm.com>
24940
24941         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
24942         for built-in functions
24943         vector signed char vec_nabs (vector signed char)
24944         vector signed short vec_nabs (vector signed short)
24945         vector signed int vec_nabs (vector signed int)
24946         vector signed long long vec_nabs (vector signed long long)
24947         vector float vec_nabs (vector float)
24948         vector double vec_nabs (vector double)
24949         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
24950         and NABS overload.
24951         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
24952         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
24953         * doc/extend.texi: Update the documentation file for the new built-in
24954         functions.
24955
24956 2017-01-16  Martin Sebor  <msebor@redhat.com>
24957
24958         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
24959         message.
24960
24961 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24962
24963         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
24964         UNSPEC_VSX__XXSPLTD to require special splat handling.
24965
24966 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
24967
24968         PR bootstrap/78616
24969         * system.h: Poison strndup.
24970
24971 2017-01-16  Alan Modra  <amodra@gmail.com>
24972
24973         PR target/79098
24974         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
24975         use a switch.
24976
24977 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
24978
24979         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
24980
24981 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
24982
24983         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
24984         call recog here.  Assert that INSN_CODE (insn) is non-negative.
24985
24986 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24987
24988         PR target/72749
24989         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
24990         fallthrough.
24991         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
24992         in the currently scheduled RTL fragment.
24993
24994 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24995
24996         PR rtl-optimization/78751
24997         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
24998         give up.
24999
25000 2017-01-14  Jeff Law  <law@redhat.com>
25001
25002         PR tree-optimization/79090
25003         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
25004         variable length stores.
25005         (compute_trims): Delete dead assignment to *trim_tail.
25006         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
25007         zero length.
25008
25009 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
25010
25011         PR rtl-optimization/78626
25012         PR rtl-optimization/78727
25013         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
25014         of a block, and split such blocks after everything else is finished.
25015
25016 2017-01-14  Alan Modra  <amodra@gmail.com>
25017
25018         PR target/72749
25019         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
25020         target legitimate_combined_insn.
25021         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
25022         (rs6000_legitimate_combined_insn): New function.
25023         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
25024         all uses.
25025         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
25026         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
25027         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
25028
25029 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
25030
25031         * doc/frontends.texi (G++ and GCC): Remove references to Java.
25032
25033 2017-01-13  Jeff Law  <law@redhat.com>
25034
25035         PR tree-optimization/33562
25036         PR tree-optimization/61912
25037         PR tree-optimization/77485
25038         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
25039         a statement.
25040         (delete_dead_assignment): Likewise.
25041         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
25042         statement to delete_dead_call and delete_dead_assignment.
25043
25044 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
25045
25046         PR c/78304
25047         * substring-locations.c (format_warning_va): Strengthen case 1 so
25048         that both endpoints of the substring must be within the format
25049         range for just the substring to be printed.
25050
25051 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
25052
25053         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
25054         * config/i386/i386.c (ix86_target_string): Add missing options
25055         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
25056         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
25057         flags_other and ix86_target_other to flags2_other.  Display unknown
25058         isa2 options.
25059         (ix86_valid_target_attribute_inner_p): Add missing options and
25060         reorder options by implied ISAs, as in ix86_target_string.
25061
25062 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25063
25064         * hash-table.h (hash_table::too_empty_p): New function.
25065         (hash_table::expand): Use it.
25066         (hash_table::traverse): Likewise.
25067         (hash_table::empty_slot): Use sizeof (value_type) instead of
25068         sizeof (PTR) to convert bytes to elements.  Shrink the table
25069         if the current size is excessive for the current number of
25070         elements.
25071
25072 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25073
25074         * ira-costs.c (record_reg_classes): Break from the inner loop
25075         early once alt_fail is known to be true.  Update outer loop
25076         handling accordingly.
25077
25078 2017-01-13  Jeff Law  <law@redhat.com>
25079
25080         * tree-ssa-dse.c (decrement_count): New function.
25081         (increment_start_addr, maybe_trim_memstar_call): Likewise.
25082         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
25083         when we know the partially dead statement is a mem* function.
25084
25085         PR tree-optimization/61912
25086         PR tree-optimization/77485
25087         * tree-ssa-dse.c: Include expr.h.
25088         (maybe_trim_constructor_store): New function.
25089         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
25090
25091         PR tree-optimization/33562
25092         PR tree-optimization/61912
25093         PR tree-optimization/77485
25094         * doc/invoke.texi: Document new dse-max-object-size param.
25095         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
25096         * tree-ssa-dse.c: Include params.h.
25097         (dse_store_status): New enum.
25098         (initialize_ao_ref_for_dse): New, partially extracted from
25099         dse_optimize_stmt.
25100         (valid_ao_ref_for_dse, normalize_ref): New.
25101         (setup_live_bytes_from_ref, compute_trims): Likewise.
25102         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
25103         (maybe_trim_partially_dead_store): Likewise.
25104         (maybe_trim_complex_store): Likewise.
25105         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
25106         Track what bytes live from the original store.  Return tri-state
25107         for dead, partially dead or live.
25108         (dse_dom_walker): Add constructor, destructor and new private members.
25109         (delete_dead_call, delete_dead_assignment): New extracted from
25110         dse_optimize_stmt.
25111         (dse_optimize_stmt): Make a member of dse_dom_walker.
25112         Use initialize_ao_ref_for_dse.
25113
25114         PR tree-optimization/33562
25115         PR tree-optimization/61912
25116         PR tree-optimization/77485
25117         * sbitmap.h (bitmap_count_bits): Prototype.
25118         (bitmap_clear_range, bitmap_set_range): Likewise.
25119         * sbitmap.c (bitmap_clear_range): New function.
25120         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
25121
25122 2017-01-13  Martin Liska  <mliska@suse.cz>
25123
25124         PR ipa/79043
25125         * function.c (set_cfun): Add new argument force.
25126         * function.h (set_cfun): Likewise.
25127         * ipa-inline-transform.c (inline_call): Use the function when
25128         strict alising from is dropped for function we inline to.
25129
25130 2017-01-13  Richard Biener  <rguenther@suse.de>
25131
25132         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
25133         for dumping GIMPLE INTEGER_CSTs.
25134
25135 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25136
25137         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
25138         to 201112L since C++17.
25139
25140 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
25141
25142         PR sanitizer/78887
25143         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
25144         if -fsanitize=kernel-address is present.
25145
25146 2017-01-13  Richard Biener  <rguenther@suse.de>
25147
25148         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
25149         as _Literal ( type ) number in case usual suffixes do not
25150         preserve all information.
25151
25152 2017-01-13  Richard Biener  <rguenther@suse.de>
25153
25154         PR tree-optimization/77283
25155         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
25156         and ssa-iterators.h.
25157         (is_feasible_trace): Implement a cost model based on joiner
25158         PHI node uses.
25159
25160 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
25161
25162         PR target/79004
25163         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
25164         char or short to __float128/_Float128 directly.
25165
25166 2017-01-12  Martin Sebor  <msebor@redhat.com>
25167
25168         to -Wformat-overflow.
25169         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
25170         (min_bytes_remaining): Same.
25171         (get_string_length): Same.
25172         (format_string): Same.
25173         (format_directive): Same.
25174         (add_bytes): Same.
25175         (pass_sprintf_length::handle_gimple_call): Same.
25176
25177 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
25178
25179         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
25180         info.nowrite calls with no lhs that can't throw.  Return bool
25181         whether gsi_remove has been called or not.
25182         (pass_sprintf_length::handle_gimple_call): Return bool whether
25183         try_substitute_return_value called gsi_remove.  Formatting fix.
25184         (pass_sprintf_length::execute): Don't use gsi_remove if
25185         handle_gimple_call returned true.
25186
25187         PR bootstrap/79069
25188         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
25189         be removed due to side-effects, don't remove following barrier nor
25190         turn the successor edge into fallthru edge.
25191
25192 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25193
25194         PR target/79044
25195         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
25196         element-reversing loads and stores as not swappable.
25197
25198 2017-01-12  Nathan Sidwell  <nathan@acm.org>
25199             Nicolai Stange  <nicstange@gmail.com>
25200
25201         * combine.c (try_combine): Don't ignore result of overlap checking
25202         loop.  Combine overlap & asm check into single loop.
25203
25204 2017-01-12  Richard Biener  <rguenther@suse.de>
25205
25206         * tree-pretty-print.c (dump_generic_node): Provide -gimple
25207         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
25208
25209 2017-01-12  Richard Biener  <rguenther@suse.de>
25210
25211         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
25212         and TS_TARGET_OPTION directly derive from TS_BASE.
25213         * tree-core.h (tree_optimization_option): Derive from tree_base.
25214         (tree_target_option): Likewise.
25215
25216 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
25217
25218         * config/i386/i386.c (memory_address_length): Increase len
25219         only when rip_relative_addr_p returns false.
25220
25221 2017-01-11  Julia Koval  <julia.koval@intel.com>
25222
25223         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
25224         (OPTION_MASK_ISA_SGX_SET): New.
25225         (ix86_handle_option): Handle OPT_msgx.
25226         * config.gcc: Added sgxintrin.h.
25227         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
25228         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
25229         * config/i386/i386.c (ix86_target_string): Add -msgx.
25230         (PTA_SGX): New.
25231         (ix86_option_override_internal): Handle new options.
25232         (ix86_valid_target_attribute_inner_p): Add sgx.
25233         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
25234         * config/i386/i386.opt: Add msgx.
25235         * config/i386/sgxintrin.h: New file.
25236         * config/i386/x86intrin.h: Add sgxintrin.h.
25237
25238 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25239
25240         PR c++/71537
25241         * fold-const.c (maybe_nonzero_address): Return 1 for function
25242         local objects.
25243         (tree_single_nonzero_warnv_p): Don't handle function local objects
25244         here.
25245
25246         PR c++/72813
25247         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
25248         of c-header.
25249
25250 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
25251
25252         PR driver/78877
25253         * opts.c: Include "spellcheck.h"
25254         (struct string_fragment): New struct.
25255         (struct edit_distance_traits<const string_fragment &>): New
25256         struct.
25257         (get_closest_sanitizer_option): New function.
25258         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
25259
25260 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25261
25262         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
25263         by 12.
25264         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
25265         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
25266         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
25267         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
25268         for initial die_offset if dwarf_split_debug_info.
25269         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
25270         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
25271         fields.
25272         (output_skeleton_debug_sections): Formatting fix.  Use
25273         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
25274         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
25275
25276 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
25277
25278         * config/arm/cortex-a53.md: Add bypasses for
25279         cortex_a53_r2f_cvt.
25280         (cortex_a53_r2f): Only use for transfers.
25281         (cortex_a53_f2r): Likewise.
25282         (cortex_a53_r2f_cvt): Add reservation for conversions.
25283         (cortex_a53_f2r_cvt): Likewise.
25284
25285 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
25286
25287         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
25288         to all inlined functions, change static to extern.
25289
25290 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
25291
25292         PR target/78253
25293         * config/arm/arm.c (legitimize_pic_address): Handle reference to
25294         weak symbol.
25295         (arm_assemble_integer): Likewise.
25296
25297 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
25298
25299         * config.gcc: Use new awk script to check CPU, FPU and architecture
25300         parameters for --with-... options.
25301         * config/arm/parsecpu.awk: New file
25302         * config/arm/arm-cpus.in: New file.
25303         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
25304         files.
25305         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
25306         files.
25307         * config/arm/t-arm: Update dependency rules.
25308         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
25309         of processing .def files.
25310         * config/arm/genopt.sh: Deleted.
25311         * config/arm/gentune.sh: Deleted.
25312         * config/arm/arm-cores.def: Deleted.
25313         * config/arm/arm-arches.def: Deleted.
25314         * config/arm/arm-fpus.def: Deleted.
25315         * config/arm/arm-tune.md: Regenerated.
25316         * config/arm/arm-tables.opt: Regenerated.
25317         * config/arm/arm-cpu.h: New generated file.
25318         * config/arm/arm-cpu-data.h: New generated file.
25319         * config/arm/arm-cpu-cdata.h: New generated file.
25320
25321 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
25322
25323         PR lto/79042
25324         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
25325         bit.
25326         (input_varpool_node): Unpack dynamically_initialized bit.
25327
25328 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
25329
25330         PR rtl-optimization/79032
25331         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
25332         the alignment of the adjusted memory reference against that of MODE,
25333         instead of the alignment of the original memory reference.
25334
25335 2017-01-11  Martin Jambor  <mjambor@suse.cz>
25336
25337         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
25338         test.
25339         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
25340         decorated functions.
25341
25342 2017-01-11  Richard Biener  <rguenther@suse.de>
25343
25344         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
25345         set range/nonnull info for PHI results.  Do not set it on
25346         stmts marked for removal.
25347
25348 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
25349
25350         * expr.c (store_field): In the bitfield case, fetch the return value
25351         from the registers before applying a single big-endian adjustment.
25352         Always do a final load for a BLKmode value not larger than a word.
25353
25354 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
25355
25356         PR c++/77949
25357         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25358         that we correctly handle column numbers greater than
25359         LINE_MAP_MAX_COLUMN_NUMBER.
25360
25361 2017-01-10  Martin Sebor  <msebor@redhat.com>
25362
25363         PR middle-end/78245
25364         * gimple-ssa-sprintf.c (get_destination_size): Call
25365         {init,fini}object_sizes.
25366         * tree-object-size.c (addr_object_size): Adjust.
25367         (pass_through_call): Adjust.
25368         (pass_object_sizes::execute): Adjust.
25369         * tree-object-size.h (fini_object_sizes): Declare.
25370
25371 2017-01-10  Martin Sebor  <msebor@redhat.com>
25372
25373         PR tree-optimization/78775
25374         * builtins.c (get_size_range): Move...
25375         * calls.c: ...to here.
25376         (alloc_max_size): Accept zero argument.
25377         (operand_signed_p): Remove.
25378         (maybe_warn_alloc_args_overflow): Call get_size_range.
25379         * calls.h (get_size_range): Declare.
25380
25381 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
25382
25383         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
25384         from TI's devices.csv file as of September 2016.
25385         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
25386
25387 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
25388
25389         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
25390         * doc/invoke.texi: Likewise.
25391         * doc/md.texi: Likewise.
25392         * doc/objc.texi: Likewise.
25393
25394 2017-01-10  Joshua Conner  <joshconner@google.com>
25395
25396         * config/arm/fuchsia-elf.h: New file.
25397         * config/fuchsia.h: New file.
25398         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
25399         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
25400         targets.
25401         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
25402
25403 2016-01-10  Richard Biener  <rguenther@suse.de>
25404
25405         PR tree-optimization/79034
25406         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
25407         Propagate out degenerate PHIs in the joiner.
25408
25409 2017-01-10  Martin Liska  <mliska@suse.cz>
25410
25411         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
25412         (sort_congruence_classes_by_decl_uid): Likewise.
25413         (sort_congruence_class_groups_by_decl_uid): Likewise.
25414         (sem_item_optimizer::merge_classes): Sort class, groups in these
25415         classes and members in the groups by DECL_UID of declarations.
25416         This would make merge operations stable.
25417
25418 2017-01-10  Martin Liska  <mliska@suse.cz>
25419
25420         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
25421         usage of m_classes_vec.
25422         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
25423         (sem_item_optimizer::get_group_by_hash): Likewise.
25424         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
25425         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
25426         (sem_item_optimizer::verify_classes): Likewise.
25427         (sem_item_optimizer::process_cong_reduction): Likewise.
25428         (sem_item_optimizer::dump_cong_classes): Likewise.
25429         (sem_item_optimizer::merge_classes): Likewise.
25430         * ipa-icf.h (congruence_class_hash): Rename from
25431         congruence_class_group_hash.  Remove declaration of m_classes_vec.
25432
25433 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
25434
25435         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
25436         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
25437         * config.gcc: Add avx512vpopcntdqintrin.h.
25438         * config/i386/avx512vpopcntdqintrin.h: New.
25439         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
25440         * config/i386/i386-builtin-types.def: Add new types.
25441         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
25442         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
25443         __builtin_ia32_vpopcountq_v8di_mask): New.
25444         * config/i386/i386-c.c (ix86_target_macros_internal): Define
25445         __AVX512VPOPCNTDQ__.
25446         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
25447         (PTA_AVX512VPOPCNTDQ): Define.
25448         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
25449         TARGET_AVX512VPOPCNTDQ_P): Define.
25450         * config/i386/i386.opt: Add mavx512vpopcntdq.
25451         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
25452         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
25453
25454 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25455
25456         PR middle-end/77484
25457         * predict.def (PRED_CALL): Set to 67.
25458
25459 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
25460
25461         * expr.c (store_field): In the bitfield case, if the value comes from
25462         a function call and is of an aggregate type returned in registers, do
25463         not modify the field mode; extract the value in all cases if the mode
25464         is BLKmode and the size is not larger than a word.
25465
25466 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
25467
25468         PR target/71017
25469         * config/i386/cpuid.h: Fix undefined behavior.
25470
25471 2017-01-04  Jeff Law  <law@redhat.com>
25472
25473         PR tree-optimization/79007
25474         PR tree-optimization/67955
25475         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
25476         conservative for pt.null when flag_non_call_exceptions is on.
25477
25478 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25479
25480         PR translation/79019
25481         PR translation/79020
25482         * params.def (PARAM_INLINE_MIN_SPEEDUP,
25483         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
25484         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
25485         in descriptions.
25486         * config/avr/avr.opt (maccumulate-args): Likewise.
25487         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
25488         * common.opt (freport-bug): Likewise.
25489         * cif-code.def (CIF_FINAL_ERROR): Likewise.
25490         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
25491         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
25492         translatable string.
25493         * config/i386/i386.c (function_value_32): Likewise.
25494         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
25495         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
25496         Likewise.
25497         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
25498         * common/config/msp430/msp430-common.c (msp430_handle_option):
25499         Likewise.
25500         * symtab.c (symtab_node::verify_base): Likewise.
25501         * opts.c (set_debug_level): Likewise.
25502         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
25503         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
25504         missing whitespace to translatable strings.
25505         * config/avr/avr.md (bswapsi2): Fix typo in comment.
25506         * config/sh/superh.h: Likewise.
25507         * config/i386/xopintrin.h: Likewise.
25508         * config/i386/znver1.md: Likewise.
25509         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
25510         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
25511         * double-int.h (struct double_int): Likewise.
25512         * double-int.c (div_and_round_double): Likewise.
25513         * wide-int.cc: Likewise.
25514         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
25515         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
25516         * cfgcleanup.c (crossjumps_occured): Renamed to ...
25517         (crossjumps_occurred): ... this.
25518         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
25519         Adjust all uses.
25520
25521         PR tree-optimization/78899
25522         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
25523         returning bool return struct loop *, NULL for failure and the new
25524         loop on success.
25525         (versionable_outer_loop_p): Don't version outer loop if it has
25526         dont_vectorized bit set.
25527         (tree_if_conversion): When versioning outer loop, ensure
25528         tree_if_conversion is performed also on the inner loop of the
25529         non-vectorizable outer loop copy.
25530         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
25531         LOOP_VECTORIZED in inner loop of the scalar outer loop and
25532         prevent vectorization of it.
25533         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
25534         the outer loop vectorization of the non-scalar version is attempted
25535         before vectorization of the inner loop in scalar version.  If
25536         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
25537         vectorization of its inner loop.
25538         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
25539         has 2 inner loops, rename also on edges from bb whose single pred
25540         is outer_loop->header.  Fix typo in function comment.
25541
25542 2017-01-09  Martin Sebor  <msebor@redhat.com>
25543
25544         PR bootstrap/79033
25545         * asan.c (asan_emit_stack_protection): Increase local buffer size
25546         to avoid snprintf truncation warning.
25547
25548 2017-01-09  Andrew Pinski  <apinski@cavium.com>
25549
25550         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
25551         to reference thunderx2t99 for the tuning structure
25552         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
25553         Rename to ...
25554         (thunderx2t99_extra_costs): This.
25555         * config/aarch64/aarch64-tune.md: Regenerate.
25556         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
25557         (vulcan_addrcost_table): This.
25558         (vulcan_regmove_cost): Rename to ...
25559         (thunderx2t99_regmove_cost): This.
25560         (vulcan_vector_cost): Rename to ...
25561         (thunderx2t99_vector_cost): this.
25562         (vulcan_branch_cost): Rename to ...
25563         (thunderx2t99_branch_cost): This.
25564         (vulcan_tunings): Rename to ...
25565         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
25566         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
25567
25568 2017-01-09  Martin Jambor  <mjambor@suse.cz>
25569
25570         PR ipa/78365
25571         PR ipa/78599
25572         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
25573         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
25574         (propagate_vr_accross_jump_function): Use the above function for all
25575         value range computations for pass-through jump functions and type
25576         converasion from explicit value range values.
25577         (ipcp_propagate_stage): Do not attempt to deduce types of formal
25578         parameters from TYPE_ARG_TYPES.
25579         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
25580         (ipa_write_node_info): Stream type of the actual argument.
25581         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
25582
25583 2017-01-09  Martin Liska  <mliska@suse.cz>
25584
25585         PR pch/78970
25586         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
25587         (lookup_compiler): Do not show error message with have_E.
25588
25589 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25590
25591         PR tree-optimization/78938
25592         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
25593         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
25594         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
25595         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
25596         fixes.
25597
25598 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25599
25600         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
25601         is const0_rtx.
25602
25603 2017-01-09  Richard Biener  <rguenther@suse.de>
25604
25605         PR tree-optimization/78997
25606         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
25607         name condition properly.
25608
25609 2017-01-09  Richard Biener  <rguenther@suse.de>
25610
25611         PR debug/79000
25612         * dwarf2out.c (is_cxx): New overload with context.
25613         (is_naming_typedef_decl): Use it.
25614
25615 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25616
25617         * invoke.texi (Option Summary): Correct spacing in option lists
25618         and add line breaks to fix over-long lines.
25619
25620 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25621
25622         PR middle-end/17660
25623
25624         * extend.texi (Common Variable Attributes): Add xref to GCC
25625         Internals manual to explain mode attribute keywords.
25626
25627 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25628
25629         PR other/16519
25630         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
25631         and Preprocessor Options.
25632         (Options for Linking): Document -pthread here....
25633         (RS/6000 and PowerPC Options): ...not here.
25634         (Solaris 2 Options): ...or here.
25635         * doc/cppopts.texi: Document -pthread.
25636
25637 2017-01-08  Martin Sebor  <msebor@redhat.com>
25638
25639         PR middle-end/77708
25640         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
25641         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
25642         New member functions.
25643         (format_directive): Used them.
25644         (add_bytes): Same.
25645         (pass_sprintf_length::handle_gimple_call): Same.
25646         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
25647         to avoid truncation for any argument.
25648         (extract_affine_mul): Same.
25649         * tree.c (get_file_function_name): Same.
25650
25651 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25652
25653         PR middle-end/77484
25654         * predict.def (PRED_INDIR_CALL): Set to 86.
25655
25656 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25657
25658         PR preprocessor/54124
25659         * doc/cppopts.texi: Reformat -d subtable to list the full name
25660         of the options.  Add cross-reference to the docs for the general
25661         compiler -d options.
25662         * doc/invoke.texi (Developer Options): Add cross-reference to the
25663         preprocessor-specific -d option documentation.
25664
25665 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25666
25667         PR preprocessor/13498
25668         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
25669         redudant material, and reflect new command-line options.
25670         (System Headers): Likewise.
25671
25672 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25673
25674         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
25675         -isystem, and -idirafter.  Copy-edit.
25676         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
25677         default for -ftrack-macro-expansion.  Delete obsolete and
25678         badly-formatted implementation details about -fdebug-cpp output.
25679         * doc/cppwarnopts.texi: Copy-edit.
25680
25681 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
25682
25683         PR c++/72803
25684         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25685         that the transition from a max line width >= 1<<10 to narrower
25686         lines works correctly.
25687
25688 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
25689
25690         * doc/options.texi (PerFunction): New.
25691         * opt-functions.awk (switch_flags): Map both Optimization and
25692         PerFunction to CL_OPTIMIZATION.
25693         * opth-gen.awk: Test for PerFunction flag along with
25694         Optimization.
25695         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
25696         it only when the latter is present.  Skip those that don't in
25697         the hash function generator.
25698         * common.opt (fvar-tracking): Mark as PerFunction instead of
25699         Optimization.
25700         (fvar-tracking-assignments): Likewise.
25701         (fvar-tracking-assignments-toggle): Likewise.
25702         (fvar-tracking-uninit): Likewise.
25703
25704 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
25705
25706         PR translation/79018
25707         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
25708         the and store.
25709
25710 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
25711
25712         PR target/57583
25713         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
25714         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
25715         TARGET_LONG_JUMP_TABLE_OFFSETS.
25716         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
25717         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
25718         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
25719         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
25720         * config/m68k/m68k.md (tablejump expander): Likewise.
25721         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
25722         TARGET_LONG_JUMP_TABLE_OFFSETS.
25723         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
25724         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
25725
25726 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
25727             David Holsgrove <david.holsgrove@xilinx.com>
25728
25729         * common/config/microblaze/microblaze-common.c
25730         (TARGET_EXCEPT_UNWIND_INFO): Remove.
25731         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
25732         New prototype.
25733         * config/microblaze/microblaze.c (microblaze_must_save_register)
25734         (microblaze_expand_epilogue, microblaze_return_addr): Handle
25735         calls_eh_return.
25736         (microblaze_eh_return): New function.
25737         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
25738         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
25739         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
25740         * config/microblaze/microblaze.md (eh_return): New pattern.
25741
25742 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
25743
25744         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
25745         GCC_DIAGNOSTIC_STRINGIFY): Define.
25746
25747         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
25748
25749 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25750
25751         * config/arm/arm.md (<mcrr>): New.
25752         (<mrrc>): New.
25753         * config/arm/arm.c (arm_arch5te): New.
25754         (arm_option_override): Set arm_arch5te.
25755         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
25756         and mrrc2.
25757         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
25758         (arm_mcrr_qualifiers): ... this. New.
25759         (MRRC_QUALIFIERS): Define to...
25760         (arm_mrrc_qualifiers): ... this. New.
25761         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
25762         __arm_mrrc2): New.
25763         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
25764         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
25765         (MRRCI, mrrc, MRRC): New.
25766         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
25767         VUNSPEC_MRRC2): New.
25768
25769 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25770
25771         * config/arm/arm.md (<mcr>): New.
25772         (<mrc>): New.
25773         * config/arm/arm.c (arm_coproc_builtin_available): Add
25774         support for mcr, mrc, mcr2 and mrc2.
25775         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
25776         (arm_mcr_qualifiers): ... this. New.
25777         (MRC_QUALIFIERS): Define to ...
25778         (arm_mrc_qualifiers): ... this. New.
25779         (MCR_QUALIFIERS): Define to ...
25780         (arm_mcr_qualifiers): ... this. New.
25781         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
25782         __arm_mrc2): New.
25783         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
25784         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
25785         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
25786         VUNSPEC_MRC2): New.
25787
25788 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25789
25790         * config/arm/arm.md (*ldc): New.
25791         (*stc): New.
25792         (<ldc>): New.
25793         (<stc>): New.
25794         * config/arm/arm.c (arm_coproc_builtin_available): Add
25795         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
25796         (arm_coproc_ldc_stc_legitimate_address): New.
25797         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
25798         'qualifier_const_pointer'.
25799         (LDC_QUALIFIERS): Define to...
25800         (arm_ldc_qualifiers): ... this. New.
25801         (STC_QUALIFIERS): Define to...
25802         (arm_stc_qualifiers): ... this. New.
25803         * config/arm/arm-protos.h
25804         (arm_coproc_ldc_stc_legitimate_address): New.
25805         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
25806         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
25807         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
25808         stc2, stcl, stc2l): New.
25809         * config/arm/constraints.md (Uz): New.
25810         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
25811         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
25812         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
25813         VUNSPEC_STC2L): New.
25814
25815 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25816
25817         * config/arm/arm.md (<cdp>): New.
25818         * config/arm/arm.c (neon_const_bounds): Rename this ...
25819         (arm_const_bounds): ... this.
25820         (arm_coproc_builtin_available): New.
25821         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
25822         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
25823         (CDP_QUALIFIERS): Define to...
25824         (arm_cdp_qualifiers): ... this. New.
25825         (void_UP): Define.
25826         (arm_expand_builtin_args): Add case for 6 arguments.
25827         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
25828         (arm_const_bounds): ... this.
25829         (arm_coproc_builtin_available): New.
25830         * config/arm/arm_acle.h (__arm_cdp): New.
25831         (__arm_cdp2): New.
25832         * config/arm/arm_acle_builtins.def (cdp): New.
25833         (cdp2): New.
25834         * config/arm/iterators.md (CDPI,CDP,cdp): New.
25835         * config/arm/neon.md: Rename all 'neon_const_bounds' to
25836         'arm_const_bounds'.
25837         * config/arm/types.md (coproc): New.
25838         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
25839         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
25840         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
25841         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
25842
25843 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25844
25845         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
25846         (UBINOP_QUALIFIERS): New.
25847         (si_UP): Define.
25848         (acle_builtin_data): New. Change comment.
25849         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
25850         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
25851         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
25852         arm_acle_builtins.def.
25853         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
25854         (arm_init_acle_builtins): New.
25855         (CRC32_BUILTIN): Remove.
25856         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
25857         crc32cb, crc32ch and crc32cw.
25858         (arm_init_crc32_builtins): Remove.
25859         (arm_init_builtins): Use arm_init_acle_builtins rather
25860         than arm_init_crc32_builtins.
25861         (arm_expand_acle_builtin): New.
25862         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
25863         * config/arm/arm_acle_builtins.def: New.
25864
25865 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25866
25867         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
25868         (arm_builtin_datum): ... this.
25869         (arm_init_neon_builtin): Rename to ...
25870         (arm_init_builtin): ... this. Add a new parameters PREFIX
25871         and USE_SIG_IN_NAME.
25872         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
25873         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
25874         'arm_builtin_datum'.
25875         (arm_init_vfp_builtins): Likewise.
25876         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
25877         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
25878         (arm_expand_neon_args): Rename to ...
25879         (arm_expand_builtin_args): ... this. Rename builtin_arg
25880         enum values and differentiate between ARG_BUILTIN_MEMORY
25881         and ARG_BUILTIN_NEON_MEMORY.
25882         (arm_expand_neon_builtin_1): Rename to ...
25883         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
25884         values, arm_expand_builtin_args and add bool parameter NEON.
25885         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
25886         (arm_expand_vfp_builtin): Likewise.
25887         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
25888
25889 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25890
25891         PR middle-end/77484
25892         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
25893         * predict.c (tree_estimate_probability_bb): Reverse direction of
25894         polymorphic call predictor.
25895
25896 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
25897
25898         * passes.c (execute_one_pass): Split out pass-skipping logic into...
25899         (determine_pass_name_match): ...this new function and...
25900         (should_skip_pass_p): ...this new function.
25901
25902 2017-01-06  Nathan Sidwell  <nathan@acm.org>
25903
25904         * ipa-visibility.c (function_and_variable_visibility): Reformat
25905         comments and long lines.  Remove extrneous if.
25906         * symtab.c (symtab_node::make_decl_local): Fix code format.
25907         (symtab_node::set_section_for_node): Fix comment typo.
25908
25909 2017-01-06  Martin Liska  <mliska@suse.cz>
25910
25911         PR bootstrap/79003
25912         * lra-constraints.c: Rename invariant to lra_invariant.
25913         * predict.c (set_even_probabilities): Initialize e to NULL.
25914
25915 2017-01-05  Martin Sebor  <msebor@redhat.com>
25916
25917         PR tree-optimization/78910
25918         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
25919         (format_integer): Correct off-by-one error in the handling
25920         of precision with negative numbers in signed conversions..
25921
25922 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
25923
25924         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
25925
25926 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25927
25928         PR tree-optimization/71016
25929         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
25930         factor_out_conditional_conversion.  Formatting fix.
25931         (factor_out_conditional_conversion): Add cond_stmt argument.
25932         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
25933         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
25934         Formatting fix.
25935
25936 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
25937
25938         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
25939         read-rtl-function.o, and selftest-rtl.o.
25940         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
25941         (selftest::aarch64_test_loading_full_dump): New function.
25942         (selftest::aarch64_run_selftests): New function.
25943         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
25944         selftest::aarch64_run_selftests.
25945         * config/i386/i386.c
25946         (selftest::ix86_test_loading_dump_fragment_1): New function.
25947         (selftest::ix86_test_loading_call_insn): New function.
25948         (selftest::ix86_test_loading_full_dump): New function.
25949         (selftest::ix86_test_loading_unspec): New function.
25950         (selftest::ix86_run_selftests): Call the new functions.
25951         * emit-rtl.c (maybe_set_max_label_num): New function.
25952         * emit-rtl.h (maybe_set_max_label_num): New decl.
25953         * function.c (instantiate_decls): Guard call to
25954         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
25955         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
25956         "static".
25957         * gensupport.c (gen_reader::gen_reader): Pass "false"
25958         for new "compact" param of rtx_reader.
25959         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
25960         rather than an empty string for NULL strings.
25961         * read-md.c: Potentially include config.h rather than bconfig.h.
25962         Wrap include of errors.h with #ifdef GENERATOR_FILE.
25963         (have_error): New global, copied from errors.c.
25964         (md_reader::read_name): Rename to...
25965         (md_reader::read_name_1): ...this, adding "out_loc" param,
25966         and converting "missing name or number" to returning false, rather
25967         than failing.
25968         (md_reader::read_name): Reimplement in terms of read_name_1.
25969         (md_reader::read_name_or_nil): New function.
25970         (md_reader::read_string): Handle "(nil)" by returning NULL.
25971         (md_reader::md_reader): Add new param "compact".
25972         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
25973         (md_reader::read_file): New method.
25974         * read-md.h (md_reader::md_reader): Add new param "compact".
25975         (md_reader::read_file): New method.
25976         (md_reader::is_compact): New accessor.
25977         (md_reader::read_name): Convert return type from void to file_location.
25978         (md_reader::read_name_or_nil): New decl.
25979         (md_reader::read_name_1): New decl.
25980         (md_reader::m_compact): New field.
25981         (noop_reader::noop_reader): Pass "false" for new "compact" param
25982         of rtx_reader.
25983         (rtx_reader::rtx_reader): Add new "compact" param.
25984         (rtx_reader::read_rtx_operand): Make virtual and convert return
25985         type from void to rtx.
25986         (rtx_reader::read_until): New decl.
25987         (rtx_reader::handle_any_trailing_information): New virtual function.
25988         (rtx_reader::postprocess): New virtual function.
25989         (rtx_reader::finalize_string): New virtual function.
25990         (rtx_reader::m_in_call_function_usage): New field.
25991         (rtx_reader::m_reuse_rtx_by_id): New field.
25992         * read-rtl-function.c: New file.
25993         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
25994         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
25995         (selftest::verify_three_block_rtl_cfg): New decl.
25996         * read-rtl-function.h: New file.
25997         * read-rtl.c: Potentially include config.h rather than bconfig.h.
25998         For host, include function.h, memmodel.h, and emit-rtl.h.
25999         (one_time_initialization): New function.
26000         (struct compact_insn_name): New struct.
26001         (compact_insn_names): New array.
26002         (find_code): Handle insn codes in compact dumps.
26003         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
26004         (bind_subst_iter_and_attr): Likewise.
26005         (add_condition_to_string): Likewise.
26006         (add_condition_to_rtx): Likewise.
26007         (apply_attribute_uses): Likewise.
26008         (add_current_iterators): Likewise.
26009         (apply_iterators): Likewise.
26010         (initialize_iterators): Guard usage of apply_subst_iterator with
26011         #ifdef GENERATOR_FILE.
26012         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
26013         (md_reader::read_mapping): Likewise.
26014         (add_define_attr_for_define_subst): Likewise.
26015         (add_define_subst_attr): Likewise.
26016         (read_subst_mapping): Likewise.
26017         (check_code_iterator): Likewise.
26018         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
26019         logic to...
26020         (one_time_initialization): New function.
26021         (rtx_reader::read_until): New method.
26022         (read_flags): New function.
26023         (parse_reg_note_name): New function.
26024         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
26025         Handle reuse_rtx ids.
26026         Wrap iterator lookup within #ifdef GENERATOR_FILE.
26027         Add parsing support for RTL dumps, mirroring the special-cases in
26028         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
26029         values, and calling handle_any_trailing_information.
26030         (rtx_reader::read_rtx_operand): Convert return type from void
26031         to rtx, returning return_rtx.  Handle case 'e'.  Call
26032         finalize_string on XSTR and XTMPL fields.
26033         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
26034          "(nil)" values were omitted.  Call the postprocess vfunc on the
26035         return_rtx.
26036         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
26037         class ctor.  Initialize m_in_call_function_usage.  Call
26038         one_time_initialization.
26039         * rtl-tests.c (selftest::test_uncond_jump): Call
26040         set_new_first_and_last_insn.
26041         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
26042         * selftest-rtl.c: New file.
26043         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
26044         (selftest::get_insn_by_uid): New decl.
26045         * selftest-run-tests.c (selftest::run_tests): Call
26046         read_rtl_function_c_tests.
26047         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
26048         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
26049         dumps.
26050
26051 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
26052
26053         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
26054         operands in a special way.  Assert that pos+len <= mode precision.
26055
26056 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
26057
26058         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
26059         3 argument Alias with unlimited for the negative form.
26060         (fno-vect-cost-model): Removed.
26061
26062 2017-01-05  Martin Liska  <mliska@suse.cz>
26063
26064         * hsa-gen.c (gen_hsa_divmod): New function.
26065         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
26066
26067 2017-01-05  Martin Liska  <mliska@suse.cz>
26068
26069         PR pch/78970
26070         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
26071         header.
26072
26073 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26074
26075         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
26076         small constant length operands.
26077
26078 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26079
26080         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
26081         between loop iterations.
26082
26083 2017-01-05  Martin Liska  <mliska@suse.cz>
26084
26085         PR sanitizer/78815
26086         * gimplify.c (gimplify_decl_expr): Compare to
26087         asan_poisoned_variables instread of checking flags.
26088         (gimplify_target_expr): Likewise.
26089         (gimplify_expr): Likewise.
26090         (gimplify_function_tree): Conditionally initialize
26091         asan_poisoned_variables.
26092
26093 2017-01-04  Jeff Law  <law@redhat.com>
26094
26095         PR tree-optimizatin/78812
26096         * rtl.h (contains_mem_rtx_p): Prototype.
26097         * ifcvt.c (containts_mem_rtx_p): Move from here to...
26098         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
26099         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
26100         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
26101         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
26102
26103 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26104
26105         * input.c (assert_char_at_range): Default-initialize actual_range.
26106
26107 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26108
26109         * df-scan.c (df_ref_create_structure): Make regno unsigned,
26110         to match the caller.
26111
26112 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26113
26114         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
26115         insns after final jump in test to emit dummy move.
26116
26117 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26118
26119         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
26120         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
26121
26122 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26123
26124         * multiple_target.c (create_dispatcher_calls): Init e_next.
26125         * tree-ssa-loop-split.c (split_loop): Init border.
26126         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
26127         scalar_type.
26128
26129 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
26130
26131         PR target/71977
26132         PR target/70568
26133         PR target/78823
26134         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
26135         (altivec_register_operand): Do not return true if the operand
26136         contains a SUBREG mixing SImode and SFmode.
26137         (vsx_register_operand): Likewise.
26138         (vsx_reg_sfsubreg_ok): New predicate.
26139         (vfloat_operand): Do not return true if the operand contains a
26140         SUBREG mixing SImode and SFmode.
26141         (vint_operand): Likewise.
26142         (vlogical_operand): Likewise.
26143         (gpc_reg_operand): Likewise.
26144         (int_reg_operand): Likewise.
26145         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
26146         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
26147         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
26148         SImode and SFmode.
26149         (rs6000_emit_move_si_sf_subreg): New helper function.
26150         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
26151         fixup SUBREGs involving SImode and SFmode.
26152         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
26153         numbers for the new peephole2 optimization.
26154         (peephole2 for SFmode unions): New peephole2 to optimize cases in
26155         the GLIBC math library that do AND/IOR/XOR operations on single
26156         precision floating point.
26157         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
26158         target macros to say whether we need to avoid SUBREGs mixing
26159         SImode and SFmode.
26160         (TARGET_ALLOW_SF_SUBREG): Likewise.
26161         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
26162         (UNSPEC_SI_FROM_SF): Likewise.
26163         (iorxor): Change spacing.
26164         (and_ior_xor): New iterator for AND, IOR, and XOR.
26165         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
26166         (movdi_from_sf_zero_ext): Likewise.
26167         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
26168         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
26169         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
26170         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
26171         (fms<mode>4): Likewise.
26172         (fnma<mode>4): Likewise.
26173         (fnms<mode>4): Likewise.
26174         (nfma<mode>4): Likewise.
26175         (nfms<mode>4): Likewise.
26176
26177 2017-01-04  Marek Polacek  <polacek@redhat.com>
26178
26179         PR c++/64767
26180         * doc/invoke.texi: Document -Wpointer-compare.
26181
26182 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26183
26184         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
26185         RejectNegative.
26186
26187         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
26188         descriptions for -gdwarf-5 and emit them as uleb128 instead of
26189         2-byte data.
26190
26191 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
26192
26193         PR target/78056
26194         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
26195         documentation of the powerpc_popcntb_ok attribute.
26196         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
26197         code to issue warning messages if a requested CPU configuration is
26198         not supported by the binary (assembler and loader) toolchain.
26199         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
26200         made to define a built-in function that has been disabled.
26201         (paired_init_builtins): Add assertion to prevent ICE if attempt is
26202         made to define a built-in function that has been disabled.
26203         (altivec_init_builtins): Add comment explaining why definition
26204         of the DST built-in functions is not preceded by an assertion
26205         check.  Add assertions to prevent ICE if attempts are made to
26206         define an altivec predicate or an abs* built-in function that has
26207         been disabled.
26208         (htm_init_builtins): Add comment explaining why definition of the
26209         htm built-in functions is not preceded by an assertion check.
26210
26211 2017-01-04  Jeff Law  <law@redhat.com>
26212
26213         PR tree-optimizatin/67955
26214         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
26215         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
26216         the points-to solution does not include pt_null.  Use DECL_PT_UID
26217         unconditionally.
26218
26219 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
26220
26221         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
26222         Use gen_int_mode instead of gen_lopwart for const_int operands.
26223
26224 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26225
26226         PR tree-optimization/71563
26227         * match.pd: Simplify X << Y into X if Y is known to be 0 or
26228         out of range value - has low bits known to be zero.
26229
26230 2017-01-04  Alan Modra  <amodra@gmail.com>
26231
26232         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
26233         * configure: Regenerate.
26234         * config.in: Regenerate.
26235
26236 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26237
26238         PR bootstrap/77569
26239         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
26240         a substring of the message, but strcmp with the whole message.  Ifdef
26241         ENABLE_NLS, translate the message first using dgettext.
26242
26243 2017-01-03  Jeff Law  <law@redhat.com>
26244
26245         PR tree-optimizatin/78856
26246         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
26247         (mark_threaded_blocks): Remove code to truncate thread paths that
26248         cross multiple loop headers.  Instead invalidate the cached loop
26249         iteration information and handle case of a thread path walking
26250         into an irreducible region.
26251
26252 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
26253
26254         PR target/78900
26255         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
26256         assertions.  Add support for doing the signbit if the IEEE 128-bit
26257         floating point value is in a GPR.
26258         * config/rs6000/rs6000.md (Fsignbit): Delete.
26259         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
26260         Update the length attribute if the value is in a GPR.
26261         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
26262         the sign or zero extension instruction, since the value is always 0/1.
26263         (signbit<mode>2_dm2): Delete using <Fsignbit>.
26264
26265         PR target/78953
26266         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
26267         extracting SImode to a GPR register so that we can generate a
26268         store, limit the vector to be in a traditional Altivec register
26269         for the vextuwrx instruction.
26270
26271 2017-01-03  Ian Lance Taylor  <iant@google.com>
26272
26273         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
26274
26275 2017-01-03  Martin Sebor  <msebor@redhat.com>
26276
26277         PR tree-optimization/78696
26278         * gimple-ssa-sprintf.c (format_floating): Correct handling of
26279         precision.  Use MPFR for %f for greater fidelity.  Correct handling
26280         of %g.
26281         (pass_sprintf_length::compute_format_length): Set width and precision
26282         specified by asrerisk to void_node for vararg functions.
26283         (try_substitute_return_value): Adjust dump output.
26284
26285 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
26286
26287         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
26288
26289 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
26290
26291         * doc/invoke.texi (SPARC options): Document -mlra as the default.
26292         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
26293         -mlra/-mno-lra was passed to the compiler.
26294
26295 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
26296
26297         PR rtl-optimization/65618
26298         * emit-rtl.c (try_split): Move initialization of "before" and
26299         "after" to just before the call to emit_insn_after_setloc.
26300
26301 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
26302
26303         * doc/md.texi (Standard Names): Remove reference to Java frontend.
26304
26305 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
26306
26307         * dwarf2out.c (gen_enumeration_type_die): When
26308         -gno-strict-dwarf, add a DW_AT_encoding attribute.
26309
26310 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
26311
26312         PR tree-optimization/78965
26313         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
26314         Change first argument from const call_info & to call_info &.  For %n
26315         set info.nowrite to false.
26316
26317         PR middle-end/78901
26318         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
26319         possibly throwing calls.
26320
26321         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
26322         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
26323         and fns handling, rather than in a separate case SSA_NAME.
26324
26325 2017-01-02  Jeff Law  <law@redhat.com>
26326
26327         * config/darwin-driver.c (darwin_driver_init): Const-correctness
26328         fixes for first_period and second_period variables.
26329
26330 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
26331
26332         PR target/78967
26333         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
26334         (*insvqi_1): New insn pattern.
26335         (*insvqi_1_mem_rex64): Ditto.
26336         (*insvqi_2): Ditto.
26337         (*insvqi_3): Rename from *insvqi.
26338
26339         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
26340
26341 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
26342
26343         * doc/cfg.texi (Edges): Remove reference to Java.
26344         (Maintaining the CFG): Ditto.
26345
26346 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26347
26348         PR middle-end/77674
26349         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
26350         transparent aliases.
26351
26352 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26353
26354         PR middle-end/77484
26355         * predict.def (PRED_CALL): Update hitrate.
26356         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
26357         * predict.c (tree_estimate_probability_bb): Split CALL predictor
26358         into direct/indirect/polymorphic variants.
26359
26360 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
26361
26362         Update copyright years.
26363
26364         * gcc.c (process_command): Update copyright notice dates.
26365         * gcov-dump.c (print_version): Ditto.
26366         * gcov.c (print_version): Ditto.
26367         * gcov-tool.c (print_version): Ditto.
26368         * gengtype.c (create_file): Ditto.
26369         * doc/cpp.texi: Bump @copying's copyright year.
26370         * doc/cppinternals.texi: Ditto.
26371         * doc/gcc.texi: Ditto.
26372         * doc/gccint.texi: Ditto.
26373         * doc/gcov.texi: Ditto.
26374         * doc/install.texi: Ditto.
26375         * doc/invoke.texi: Ditto.
26376 \f
26377 Copyright (C) 2017 Free Software Foundation, Inc.
26378
26379 Copying and distribution of this file, with or without modification,
26380 are permitted in any medium without royalty provided the copyright
26381 notice and this notice are preserved.