gcc/ChangeLog

   1 2017-09-18  Richard Sandiford  <richard.sandiford@linaro.org>
   2             Alan Hayward  <alan.hayward@arm.com>
   3             David Sherwood  <david.sherwood@arm.com>
   4
   5         * tree-vect-stmts.c (can_vectorize_live_stmts): New function,
   6         split out from...
   7         (vect_transform_stmt): ...here.
   8         (vect_analyze_stmt): Use it instead of calling
   9         vectorizable_live_operation directly.
  10
  11 2017-09-18  Cesar Philippidis  <cesar@codesourcery.com>
  12
  13         * omp-offload.c (oacc_xform_loop): Enable SIMD vectorization on
  14         non-SIMT targets in acc vector loops.
  15
  16 2017-09-18  Claudiu Zissulescu  <claziss@synopsys.com>
  17
  18         * configure.ac: Add arc and check if assembler supports gdwarf2.
  19         * configure: Regenerate.
  20
  21 2017-09-18  Richard Biener  <rguenther@suse.de>
  22
  23         PR tree-optimization/82220
  24         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Exclude
  25         epilogue niters from the min_profitable_iters compute.
  26
  27 2017-09-18  Jakub Jelinek  <jakub@redhat.com>
  28
  29         PR target/82145
  30         * config/i386/i386.c (ix86_init_large_pic_reg): Revert 2017-09-01
  31         changes.  Turn CODE_LABEL into NOTE_INSN_DELETED_LABEL immediately.
  32         (ix86_init_pic_reg): Revert 2017-09-01 changes.
  33
  34 2017-09-18  Eric Botcazou  <ebotcazou@adacore.com>
  35
  36         PR target/81361
  37         * dwarf2cfi.c (add_cfis_to_fde): Do not generate DW_CFA_set_loc after
  38         switching to a new text section.
  39
  40 2017-09-18  Richard Biener  <rguenther@suse.de>
  41
  42         * graphite-scop-detection.c (scop_detection::stmt_has_simple_data_ref):
  43         Simplify.
  44         (build_alias_set): Reject aliases with no access function.
  45
  46 2017-09-18  Richard Biener  <rguenther@suse.de>
  47
  48         PR tree-optimization/79622
  49         * graphite-scop-detection.c (build_cross_bb_scalars_def): Properly
  50         handle PHIs.
  51         (build_cross_bb_scalars_use): Likewise.
  52
  53 2017-09-18  Pierre-Marie de Rodat  <derodat@adacore.com>
  54
  55         * cgraph.h (cgraph_thunk_info): Fix a typo in a comment.
  56
  57 2017-09-18  Alan Modra  <amodra@gmail.com>
  58
  59         PR target/81996
  60         * gcc/config/rs6000/rs6000.c (rs6000_return_addr): Use
  61         stack_pointer_rtx for count 0.  Update comments.  Break up
  62         large rtl expression.
  63
  64 2017-09-17  Daniel Santos  <daniel.santos@pobox.com>
  65
  66         config/i386/i386.c: (xlogue_layout::STUB_NAME_MAX_LEN): Increase to 20
  67         bytes.
  68         (xlogue_layout::s_stub_names): Add an additional size-2 diminsion.
  69         (xlogue_layout::get_stub_name): Modify to select the appropairate sse
  70         or avx version of the stub.
  71
  72 2017-09-17  H.J. Lu  <hongjiu.lu@intel.com>
  73
  74         PR target/82166
  75         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Properly
  76         compute the minimum stack alignment.  Also update preferred stack
  77         boundary for leaf functions.
  78
  79 2017-09-16  Richard Sandiford  <richard.sandiford@linaro.org>
  80
  81         PR tree-optimization/82228
  82         * tree-vect-loop.c (vectorizable_live_operation): Move initialization
  83         of ncopies.
  84
  85 2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
  86
  87         * common/config/nds32/nds32-common.c
  88         (nds32_option_optimization_table): Refine formatting.
  89         (nds32_option_optimization_table): Use -fsched-pressure and
  90         -fomit-frame-pointer for specific optimization level.
  91
  92 2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
  93
  94         * config/nds32/nds32.c: Refine formatting and comments.
  95         * config/nds32/nds32.h: Likewise.
  96         * config/nds32/nds32.md: Likewise.
  97         * config/nds32/nds32-cost.c: Likewise.
  98         * config/nds32/nds32-isr.c: Likewise.
  99         * config/nds32/nds32-md-auxiliary.c: Likewise.
 100         * config/nds32/nds32-multiple.md: Likewise.
 101         * config/nds32/nds32-predicates.c: Likewise.
 102
 103 2017-09-15  Andrew Sutton  <andrew.n.sutton@gmail.com>
 104             Jakub Jelinek  <jakub@redhat.com>
 105
 106         Add support for -std=c++2a.
 107         * doc/cpp.texi (__cplusplus): Document value for -std=c++2a
 108         or -std=gnu+2a.
 109         * doc/invoke.texi: Document -std=c++2a and -std=gnu++2a.
 110
 111 2017-09-15  Steve Ellcey  <sellcey@cavium.com>
 112
 113         PR target/82066
 114         * doc/extend.texi (Common Function Attributes): Add
 115         references to ARM, AArch64, and S/390 specific attributes.
 116         (Function Specific Option Pragmas): Add AArch64 and S/390
 117         to list of back ends that support the target pragma.
 118
 119 2017-09-15  Nathan Sidwell  <nathan@acm.org>
 120
 121         * doc/standards.texi: Fix C++17 description.  Update URLs for
 122         C++11 & 14.
 123
 124 2017-09-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 125
 126         * common.opt (Wcast-align=strict): New warning option.
 127         * doc/invoke.texi: Document -Wcast-align=strict.
 128
 129 2017-09-15  Pierre-Marie de Rodat  <derodat@adacore.com>
 130
 131         * cgraph.h (cgraph_thunk_info): Add comments.
 132         * cgraph.c (cgraph_node::create_thunk): Adjust comment, make
 133         assert for VIRTUAL_* arguments stricter.
 134
 135 2017-09-15  Jackson Woodruff  <jackson.woodruff@arm.com>
 136
 137         PR tree-optimization/71026
 138         * match.pd: Move RDIV patterns from fold-const.c
 139         * fold-const.c (distribute_real_division): Removed.
 140         (fold_binary_loc): Remove calls to distribute_real_divison.
 141
 142 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
 143
 144         * doc/invoke.texi: Document -std=c++17 and -std=gnu++17 and document
 145         c++1z and gnu++1z as deprecated.  Change other references to
 146         -std=c++1z to -std=c++17 and -std=gnu++1z to -std=gnu++17.
 147         Change -Wc++1z-compat to -Wc++17-compat.
 148         * doc/cpp.texi: Document -std=c++17 defines __cplusplus 201703L.
 149         * dwarf2out.c (highest_c_language): Handle C++17.
 150         (gen_compile_unit_die): Likewise.
 151
 152 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
 153
 154         PR rtl-optimization/82192
 155         * combine.c (make_extraction): Don't look through non-paradoxical
 156         SUBREGs or TRUNCATE if pos + len is or might be bigger than
 157         inner's mode.
 158
 159 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
 160             Alan Hayward  <alan.hayward@arm.com>
 161             David Sherwood  <david.sherwood@arm.com>
 162
 163         * target.def (function_arg_offset): New hook.
 164         * targhooks.h (default_function_arg_offset): Declare.
 165         * targhooks.c (default_function_arg_offset): New function.
 166         * function.c (locate_and_pad_parm): Use
 167         targetm.calls.function_arg_offset instead of FUNCTION_ARG_OFFSET.
 168         * doc/tm.texi.in (FUNCTION_ARG_OFFSET): Replace with...
 169         (TARGET_FUNCTION_ARG_OFFSET): ...this.
 170         * doc/tm.texi: Regenerate.
 171         * config/spu/spu.h (FUNCTION_ARG_OFFSET): Delete.
 172         * config/spu/spu.c (spu_function_arg_offset): New function.
 173         (TARGET_FUNCTION_ARG_OFFSET): Redefine.
 174         * system.h (FUNCTION_ARG_OFFSET): Poison.
 175
 176 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
 177             Alan Hayard  <alan.hayward@arm.com>
 178             David Sherwood  <david.sherwood@arm.com>
 179
 180         * target.def (truly_noop_truncation): New hook.
 181         (mode_rep_extended): Refer to TARGET_TRULY_NOOP_TRUNCATION rather
 182         than TRULY_NOOP_TRUNCATION.
 183         * hooks.h (hook_bool_uint_uint_true): Declare.
 184         * hooks.c (hook_bool_uint_uint_true): New function.
 185         * doc/tm.texi.in (TRULY_NOOP_TRUNCATION): Replace with...
 186         (TARGET_TRULY_NOOP_TRUNCATION): ...this.
 187         * doc/tm.texi: Regenerate.
 188         * combine.c (make_extraction): Refer to TARGET_TRULY_NOOP_TRUNCATION
 189         rather than TRULY_NOOP_TRUNCATION in comments.
 190         (simplify_comparison): Likewise.
 191         (record_truncated_value): Likewise.
 192         * expmed.c (extract_bit_field_1): Likewise.
 193         (extract_split_bit_field): Likewise.
 194         * convert.c (convert_to_integer_1): Use targetm.truly_noop_truncation
 195         instead of TRULY_NOOP_TRUNCATION.
 196         * function.c (assign_parm_setup_block): Likewise.
 197         * machmode.h (TRULY_NOOP_TRUNCATION_MODES_P): Likewise.
 198         * rtlhooks.c: Include target.h.
 199         * config/aarch64/aarch64.h (TRULY_NOOP_TRUNCATION): Delete.
 200         * config/alpha/alpha.h (TRULY_NOOP_TRUNCATION): Delete.
 201         * config/arc/arc.h (TRULY_NOOP_TRUNCATION): Delete.
 202         * config/arm/arm.h (TRULY_NOOP_TRUNCATION): Delete.
 203         * config/avr/avr.h (TRULY_NOOP_TRUNCATION): Delete.
 204         * config/bfin/bfin.h (TRULY_NOOP_TRUNCATION): Delete.
 205         * config/c6x/c6x.h (TRULY_NOOP_TRUNCATION): Delete.
 206         * config/cr16/cr16.h (TRULY_NOOP_TRUNCATION): Delete.
 207         * config/cris/cris.h (TRULY_NOOP_TRUNCATION): Delete.
 208         * config/epiphany/epiphany.h (TRULY_NOOP_TRUNCATION): Delete.
 209         * config/fr30/fr30.h (TRULY_NOOP_TRUNCATION): Delete.
 210         * config/frv/frv.h (TRULY_NOOP_TRUNCATION): Delete.
 211         * config/ft32/ft32.h (TRULY_NOOP_TRUNCATION): Delete.
 212         * config/h8300/h8300.h (TRULY_NOOP_TRUNCATION): Delete.
 213         * config/i386/i386.h (TRULY_NOOP_TRUNCATION): Delete.
 214         * config/ia64/ia64.h (TRULY_NOOP_TRUNCATION): Delete.
 215         * config/iq2000/iq2000.h (TRULY_NOOP_TRUNCATION): Delete.
 216         * config/lm32/lm32.h (TRULY_NOOP_TRUNCATION): Delete.
 217         * config/m32c/m32c.h (TRULY_NOOP_TRUNCATION): Delete.
 218         * config/m32r/m32r.h (TRULY_NOOP_TRUNCATION): Delete.
 219         * config/m68k/m68k.h (TRULY_NOOP_TRUNCATION): Delete.
 220         * config/mcore/mcore.h (TRULY_NOOP_TRUNCATION): Delete.
 221         * config/microblaze/microblaze.h (TRULY_NOOP_TRUNCATION): Delete.
 222         * config/mips/mips.h (TRULY_NOOP_TRUNCATION): Delete.
 223         * config/mips/mips.c (mips_truly_noop_truncation): New function.
 224         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
 225         * config/mips/mips.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
 226         rather than TRULY_NOOP_TRUNCATION in comments.
 227         * config/mmix/mmix.h (TRULY_NOOP_TRUNCATION): Delete.
 228         * config/mn10300/mn10300.h (TRULY_NOOP_TRUNCATION): Delete.
 229         * config/moxie/moxie.h (TRULY_NOOP_TRUNCATION): Delete.
 230         * config/msp430/msp430.h (TRULY_NOOP_TRUNCATION): Delete.
 231         * config/nds32/nds32.h (TRULY_NOOP_TRUNCATION): Delete.
 232         * config/nios2/nios2.h (TRULY_NOOP_TRUNCATION): Delete.
 233         * config/nvptx/nvptx.h (TRULY_NOOP_TRUNCATION): Delete.
 234         * config/pa/pa.h (TRULY_NOOP_TRUNCATION): Delete.
 235         * config/pdp11/pdp11.h (TRULY_NOOP_TRUNCATION): Delete.
 236         * config/powerpcspe/powerpcspe.h (TRULY_NOOP_TRUNCATION): Delete.
 237         * config/riscv/riscv.h (TRULY_NOOP_TRUNCATION): Delete.
 238         * config/riscv/riscv.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
 239         rather than TRULY_NOOP_TRUNCATION in comments.
 240         * config/rl78/rl78.h (TRULY_NOOP_TRUNCATION): Delete.
 241         * config/rs6000/rs6000.h (TRULY_NOOP_TRUNCATION): Delete.
 242         * config/rx/rx.h (TRULY_NOOP_TRUNCATION): Delete.
 243         * config/s390/s390.h (TRULY_NOOP_TRUNCATION): Delete.
 244         * config/sh/sh.h (MAYBE_BASE_REGISTER_RTX_P): Remove
 245         TRULY_NOOP_TRUNCATION condition.
 246         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
 247         (TRULY_NOOP_TRUNCATION): Delete.
 248         * config/sparc/sparc.h (TRULY_NOOP_TRUNCATION): Delete.
 249         * config/spu/spu.h (TRULY_NOOP_TRUNCATION): Delete.
 250         * config/spu/spu.c (spu_truly_noop_truncation): New function.
 251         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
 252         * config/stormy16/stormy16.h (TRULY_NOOP_TRUNCATION): Delete.
 253         * config/tilegx/tilegx.h (TRULY_NOOP_TRUNCATION): Delete.
 254         * config/tilegx/tilegx.c (tilegx_truly_noop_truncation): New fuction.
 255         (TARGET_TRULY_NOOP_TRUNCATION): Redefine.
 256         * config/tilegx/tilegx.md: Refer to TARGET_TRULY_NOOP_TRUNCATION
 257         rather than TRULY_NOOP_TRUNCATION in comments.
 258         * config/tilepro/tilepro.h (TRULY_NOOP_TRUNCATION): Delete.
 259         * config/v850/v850.h (TRULY_NOOP_TRUNCATION): Delete.
 260         * config/vax/vax.h (TRULY_NOOP_TRUNCATION): Delete.
 261         * config/visium/visium.h (TRULY_NOOP_TRUNCATION): Delete.
 262         * config/xtensa/xtensa.h (TRULY_NOOP_TRUNCATION): Delete.
 263         * system.h (TRULY_NOOP_TRUNCATION): Poison.
 264
 265 2017-09-15  Christophe Lyon  <christophe.lyon@linaro.org>
 266
 267         PR target/67591
 268         * config/arm/arm.md (*cmp_and): Add enabled_for_depr_it attribute.
 269         (*cmp_ior): Likewise.
 270         (*ior_scc_scc): Add alternative for enabled_for_depr_it attribute.
 271         (*ior_scc_scc_cmp): Likewise.
 272         (*and_scc_scc): Likewise.
 273         (*and_scc_scc_cmp): Likewise.
 274
 275 2017-09-15  Richard Sandiford  <richard.sandiford@linaro.org>
 276             Alan Hayard  <alan.hayward@arm.com>
 277             David Sherwood  <david.sherwood@arm.com>
 278
 279         * target.def (can_change_mode_class): New hook.
 280         (mode_rep_extended): Refer to it instead of CANNOT_CHANGE_MODE_CLASS.
 281         (hard_regno_nregs): Likewise.
 282         * hooks.h (hook_bool_mode_mode_reg_class_t_true): Declare.
 283         * hooks.c (hook_bool_mode_mode_reg_class_t_true): New function.
 284         * doc/tm.texi.in (CANNOT_CHANGE_MODE_CLASS): Replace with...
 285         (TARGET_CAN_CHANGE_MODE_CLASS): ...this.
 286         (LOAD_EXTEND_OP): Update accordingly.
 287         * doc/tm.texi: Regenerate.
 288         * doc/rtl.texi: Refer to TARGET_CAN_CHANGE_MODE_CLASS instead of
 289         CANNOT_CHANGE_MODE_CLASS.
 290         * hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Replace with...
 291         (REG_CAN_CHANGE_MODE_P): ...this new macro.
 292         * combine.c (simplify_set): Update accordingly.
 293         * emit-rtl.c (validate_subreg): Likewise.
 294         * recog.c (general_operand): Likewise.
 295         * regcprop.c (mode_change_ok): Likewise.
 296         * reload1.c (choose_reload_regs): Likewise.
 297         (inherit_piecemeal_p): Likewise.
 298         * rtlanal.c (simplify_subreg_regno): Likewise.
 299         * postreload.c (reload_cse_simplify_set): Use REG_CAN_CHANGE_MODE_P
 300         instead of CANNOT_CHANGE_MODE_CLASS.
 301         (reload_cse_simplify_operands): Likewise.
 302         * reload.c (push_reload): Use targetm.can_change_mode_class
 303         instead of CANNOT_CHANGE_MODE_CLASS.
 304         (push_reload): Likewise.  Also use REG_CAN_CHANGE_MODE_P instead of
 305         REG_CANNOT_CHANGE_MODE_P.
 306         * config/alpha/alpha.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 307         * config/alpha/alpha.c (alpha_can_change_mode_class): New function.
 308         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 309         * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 310         * config/arm/arm.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 311         (arm_can_change_mode_class): New function.
 312         * config/arm/neon.md: Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
 313         than CANNOT_CHANGE_MODE_CLASS in comments.
 314         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 315         * config/i386/i386-protos.h (ix86_cannot_change_mode_class): Delete.
 316         * config/i386/i386.c (ix86_cannot_change_mode_class): Replace with...
 317         (ix86_can_change_mode_class): ...this new function, inverting the
 318         sense of the return value.
 319         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 320         * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 321         * config/ia64/ia64.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 322         (ia64_can_change_mode_class): New function.
 323         * config/m32c/m32c.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 324         * config/m32c/m32c-protos.h (m32c_cannot_change_mode_class): Delete.
 325         * config/m32c/m32c.c (m32c_cannot_change_mode_class): Replace with...
 326         (m32c_can_change_mode_class): ...this new function, inverting the
 327         sense of the return value.
 328         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 329         * config/mips/mips.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 330         * config/mips/mips-protos.h (mips_cannot_change_mode_class): Delete.
 331         * config/mips/mips.c (mips_cannot_change_mode_class): Replace with...
 332         (mips_can_change_mode_class): ...this new function, inverting the
 333         sense of the return value.
 334         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 335         * config/msp430/msp430.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 336         * config/msp430/msp430.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 337         (msp430_can_change_mode_class): New function.
 338         * config/nvptx/nvptx.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 339         * config/nvptx/nvptx.c (nvptx_can_change_mode_class): New function.
 340         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 341         * config/pa/pa32-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 342         * config/pa/pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 343         * config/pa/pa-protos.h (pa_cannot_change_mode_class): Delete.
 344         * config/pa/pa.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 345         (pa_cannot_change_mode_class): Replace with...
 346         (pa_can_change_mode_class): ...this new function, inverting the
 347         sense of the return value.
 348         (pa_modes_tieable_p): Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
 349         than CANNOT_CHANGE_MODE_CLASS in comments.
 350         * config/pdp11/pdp11.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 351         * config/pdp11/pdp11-protos.h (pdp11_cannot_change_mode_class): Delete.
 352         * config/pdp11/pdp11.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 353         (pdp11_cannot_change_mode_class): Replace with...
 354         (pdp11_can_change_mode_class): ...this new function, inverting the
 355         sense of the return value.
 356         * config/powerpcspe/powerpcspe.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 357         * config/powerpcspe/powerpcspe-protos.h
 358         (rs6000_cannot_change_mode_class_ptr): Delete.
 359         * config/powerpcspe/powerpcspe.c
 360         (rs6000_cannot_change_mode_class_ptr): Delete.
 361         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 362         (rs6000_option_override_internal): Assign to
 363         targetm.can_change_mode_class instead of
 364         rs6000_cannot_change_mode_class_ptr.
 365         (rs6000_cannot_change_mode_class): Replace with...
 366         (rs6000_can_change_mode_class): ...this new function, inverting the
 367         sense of the return value.
 368         (rs6000_debug_cannot_change_mode_class): Replace with...
 369         (rs6000_debug_can_change_mode_class): ...this new function.
 370         * config/riscv/riscv.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 371         * config/riscv/riscv.c (riscv_can_change_mode_class): New function.
 372         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 373         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 374         * config/rs6000/rs6000-protos.h (rs6000_cannot_change_mode_class_ptr):
 375         Delete.
 376         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class_ptr): Delete.
 377         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 378         (rs6000_option_override_internal): Assign to
 379         targetm.can_change_mode_class instead of
 380         rs6000_cannot_change_mode_class_ptr.
 381         (rs6000_cannot_change_mode_class): Replace with...
 382         (rs6000_can_change_mode_class): ...this new function, inverting the
 383         sense of the return value.
 384         (rs6000_debug_cannot_change_mode_class): Replace with...
 385         (rs6000_debug_can_change_mode_class): ...this new function.
 386         * config/s390/s390.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 387         * config/s390/s390-protos.h (s390_cannot_change_mode_class): Delete.
 388         * config/s390/s390.c (s390_cannot_change_mode_class): Replace with...
 389         (s390_can_change_mode_class): ...this new function, inverting the
 390         sense of the return value.
 391         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 392         * config/sh/sh.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 393         * config/sh/sh-protos.h (sh_cannot_change_mode_class): Delete.
 394         * config/sh/sh.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 395         (sh_cannot_change_mode_class): Replace with...
 396         (sh_can_change_mode_class): ...this new function, inverting the
 397         sense of the return value.
 398         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 399         * config/sparc/sparc.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 400         (sparc_can_change_mode_class): New function.
 401         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 402         * config/spu/spu.c (spu_can_change_mode_class): New function.
 403         (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 404         * config/visium/visium.h (CANNOT_CHANGE_MODE_CLASS): Delete.
 405         * config/visium/visium.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
 406         (visium_can_change_mode_class): New function.
 407         * system.h (CANNOT_CHANGE_MODE_CLASS): Poison.
 408
 409 2017-09-15  Richard Biener  <rguenther@suse.de>
 410
 411         PR tree-optimization/82217
 412         * tree-ssa-sccvn.c (visit_phi): Properly handle all VN_TOP
 413         but not undefined case.
 414
 415 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
 416
 417         PR target/82145
 418         * postreload.c (reload_cse_simplify_operands): Skip
 419         NOTE_INSN_DELETED_LABEL similarly to skipping CODE_LABEL.
 420
 421 2017-09-15  Richard Biener  <rguenther@suse.de>
 422
 423         PR tree-optimization/68823
 424         * graphite-scop-detection.c (build_alias_set): If we have a
 425         possible dependence check whether we can handle them by just
 426         looking at the DRs DR_ACCESS_FNs.
 427         (build_scops): If build_alias_set fails, fail the SCOP.
 428
 429 2017-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
 430
 431         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_1_HW): New macros
 432         to support float128 built-in functions that require the ISA 3.0
 433         hardware.
 434         (BU_FLOAT128_3_HW): Likewise.
 435         (SQRTF128): Add support for the IEEE 128-bit square root and fma
 436         built-in functions.
 437         (FMAF128): Likewise.
 438         (FMAQ): Likewise.
 439         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
 440         support for built-in functions that need the ISA 3.0 IEEE 128-bit
 441         floating point instructions.
 442         (rs6000_invalid_builtin): Likewise.
 443         (rs6000_builtin_mask_names): Likewise.
 444         * config/rs6000/rs6000.h (MASK_FLOAT128_HW): Likewise.
 445         (RS6000_BTM_FLOAT128_HW): Likewise.
 446         (RS6000_BTM_COMMON): Likewise.
 447         * config/rs6000/rs6000.md (fma<mode>4_hw): Add a generator
 448         function.
 449         * doc/extend.texi (RS/6000 built-in functions): Document the
 450         IEEE 128-bit floating point square root and fused multiply-add
 451         built-in functions.
 452
 453 2017-09-14  Pat Haugen  <pthaugen@us.ibm.com>
 454
 455         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): Make sure the TOC
 456         reg (r2) isn't in the set of registers defined in the prologue.
 457
 458 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 459             Alan Hayward  <alan.hayward@arm.com>
 460             David Sherwood  <david.sherwood@arm.com>
 461
 462         * tree-vectorizer.h (_loop_vec_info): Add max_vectorization_factor.
 463         (LOOP_VINFO_MAX_VECT_FACTOR): New macro.
 464         (LOOP_VINFO_ORIG_VECT_FACTOR): Replace with...
 465         (LOOP_VINFO_ORIG_MAX_VECT_FACTOR): ...this new macro.
 466         * tree-vect-data-refs.c (vect_analyze_data_ref_dependences): Update
 467         accordingly.
 468         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 469         max_vectorization_factor.
 470         (vect_analyze_loop_2): Set LOOP_VINFO_MAX_VECT_FACTOR.
 471
 472 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 473             Alan Hayward  <alan.hayward@arm.com>
 474             David Sherwood  <david.sherwood@arm.com>
 475
 476         * tree-vectorizer.h (vect_min_worthwhile_factor): Delete.
 477         (vect_worthwhile_without_simd_p): Declare.
 478         * tree-vect-loop.c (vect_worthwhile_without_simd_p): New function.
 479         (vectorizable_reduction): Use it.
 480         * tree-vect-stmts.c (vectorizable_shift): Likewise.
 481         (vectorizable_operation): Likewise.
 482
 483 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 484             Alan Hayward  <alan.hayward@arm.com>
 485             David Sherwood  <david.sherwood@arm.com>
 486
 487         * tree-vectorizer.h (vect_get_num_copies): New function.
 488         * tree-vect-data-refs.c (vect_get_data_access_cost): Use it.
 489         * tree-vect-loop.c (vectorizable_reduction): Likewise.
 490         (vectorizable_induction): Likewise.
 491         (vectorizable_live_operation): Likewise.
 492         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
 493         (vectorizable_bswap): Likewise.
 494         (vectorizable_call): Likewise.
 495         (vectorizable_conversion): Likewise.
 496         (vectorizable_assignment): Likewise.
 497         (vectorizable_shift): Likewise.
 498         (vectorizable_operation): Likewise.
 499         (vectorizable_store): Likewise.
 500         (vectorizable_load): Likewise.
 501         (vectorizable_condition): Likewise.
 502         (vectorizable_comparison): Likewise.
 503         (vect_analyze_stmt): Pass the slp node to vectorizable_live_operation.
 504
 505 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 506             Alan Hayward  <alan.hayward@arm.com>
 507             David Sherwood  <david.sherwood@arm.com>
 508
 509         * tree-vect-loop.c (vectorizable_induction): Use gimple_build instead
 510         of vect_init_vector.
 511
 512 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 513             Alan Hayward  <alan.hayward@arm.com>
 514             David Sherwood  <david.sherwood@arm.com>
 515
 516         * gimple-fold.h (gimple_build_vector_from_val): Declare, and provide
 517         an inline wrapper that provides a location.
 518         (gimple_build_vector): Likewise.
 519         * gimple-fold.c (gimple_build_vector_from_val): New function.
 520         (gimple_build_vector): Likewise.
 521         * tree-vect-loop.c (get_initial_def_for_reduction): Use the new
 522         functions to build the initial value.  Always return a gimple value.
 523         (get_initial_defs_for_reduction): Likewise.  Only compute
 524         neutral_vec once.
 525         (vect_create_epilog_for_reduction): Don't call force_gimple_operand or
 526         vect_init_vector on the results from get_initial_def(s)_for_reduction.
 527         (vectorizable_induction): Use gimple_build_vector rather than
 528         vect_init_vector.
 529
 530 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 531             Alan Hayward  <alan.hayward@arm.com>
 532             David Sherwood  <david.sherwood@arm.com>
 533
 534         * target.h (vec_perm_indices): New typedef.
 535         (auto_vec_perm_indices): Likewise.
 536         * optabs-query.h: Include target.h
 537         (can_vec_perm_p): Take a vec_perm_indices *.
 538         * optabs-query.c (can_vec_perm_p): Likewise.
 539         (can_mult_highpart_p): Update accordingly.  Use auto_vec_perm_indices.
 540         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
 541         * tree-vect-generic.c (lower_vec_perm): Likewise.
 542         * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
 543         (vect_grouped_load_supported): Likewise.
 544         (vect_shift_permute_load_chain): Likewise.
 545         (vect_permute_store_chain): Use auto_vec_perm_indices.
 546         (vect_permute_load_chain): Likewise.
 547         * fold-const.c (fold_vec_perm): Take vec_perm_indices.
 548         (fold_ternary_loc): Update accordingly.  Use auto_vec_perm_indices.
 549         Update uses of can_vec_perm_p.
 550         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Replace the
 551         mode with a number of elements.  Take a vec_perm_indices *.
 552         (vect_create_epilog_for_reduction): Update accordingly.
 553         Use auto_vec_perm_indices.
 554         (have_whole_vector_shift): Likewise.  Update call to can_vec_perm_p.
 555         * tree-vect-slp.c (vect_build_slp_tree_1): Likewise.
 556         (vect_transform_slp_perm_load): Likewise.
 557         (vect_schedule_slp_instance): Use auto_vec_perm_indices.
 558         * tree-vectorizer.h (vect_gen_perm_mask_any): Take a vec_perm_indices.
 559         (vect_gen_perm_mask_checked): Likewise.
 560         * tree-vect-stmts.c (vect_gen_perm_mask_any): Take a vec_perm_indices.
 561         (vect_gen_perm_mask_checked): Likewise.
 562         (vectorizable_mask_load_store): Use auto_vec_perm_indices.
 563         (vectorizable_store): Likewise.
 564         (vectorizable_load): Likewise.
 565         (perm_mask_for_reverse): Likewise.  Update call to can_vec_perm_p.
 566         (vectorizable_bswap): Likewise.
 567
 568 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 569             Alan Hayward  <alan.hayward@arm.com>
 570             David Sherwood  <david.sherwood@arm.com>
 571
 572         * tree.h (build_vector): Take a vec<tree> instead of a tree *.
 573         * tree.c (build_vector): Likewise.
 574         (build_vector_from_ctor): Update accordingly.
 575         (build_vector_from_val): Likewise.
 576         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
 577         * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
 578         * tree-vect-generic.c (add_rshift): Likewise.
 579         (expand_vector_divmod): Likewise.
 580         (optimize_vector_constructor): Likewise.
 581         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
 582         (vect_transform_slp_perm_load): Likewise.
 583         (vect_schedule_slp_instance): Likewise.
 584         * tree-vect-stmts.c (vectorizable_bswap): Likewise.
 585         (vectorizable_call): Likewise.
 586         (vect_gen_perm_mask_any): Likewise.  Add elements in order.
 587         * expmed.c (make_tree): Likewise.
 588         * fold-const.c (fold_negate_expr_1): Use auto_vec<tree> when building
 589         a vector passed to build_vector.
 590         (fold_convert_const): Likewise.
 591         (exact_inverse): Likewise.
 592         (fold_ternary_loc): Likewise.
 593         (fold_relational_const): Likewise.
 594         (const_binop): Likewise.  Use VECTOR_CST_ELT directly when operating
 595         on VECTOR_CSTs, rather than going through vec_cst_ctor_to_array.
 596         (const_unop): Likewise.  Store the reduction accumulator in a
 597         variable rather than an array.
 598         (vec_cst_ctor_to_array): Take the number of elements as a parameter.
 599         (fold_vec_perm): Update calls accordingly.  Use auto_vec<tree> for
 600         the new vector, rather than constructing it after the input arrays.
 601         (native_interpret_vector): Use auto_vec<tree> when building
 602         a vector passed to build_vector.  Add elements in order.
 603         * tree-vect-loop.c (get_initial_defs_for_reduction): Use
 604         auto_vec<tree> when building a vector passed to build_vector.
 605         (vect_create_epilog_for_reduction): Likewise.
 606         (vectorizable_induction): Likewise.
 607         (get_initial_def_for_reduction): Likewise.  Fix indentation of
 608         case statements.
 609         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Change n_elts
 610         to a vec<tree> *.
 611         (sparc_fold_builtin): Use auto_vec<tree> when building a vector
 612         passed to build_vector.
 613
 614 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
 615             Alan Hayward  <alan.hayward@arm.com>
 616             David Sherwood  <david.sherwood@arm.com>
 617
 618         * tree-core.h (tree_base::u): Add an "nelts" field.
 619         (tree_vector): Use VECTOR_CST_NELTS as the length.
 620         * tree.c (tree_size): Likewise.
 621         (make_vector): Initialize VECTOR_CST_NELTS.
 622         * tree.h (VECTOR_CST_NELTS): Use the u.nelts field.
 623         * cfgexpand.c (expand_debug_expr): Use VECTOR_CST_NELTS instead of
 624         TYPE_VECTOR_SUBPARTS.
 625         * expr.c (const_vector_mask_from_tree): Consistently use "units"
 626         as the number of units, setting it from VECTOR_CST_NELTS.
 627         (const_vector_from_tree): Likewise.
 628         * fold-const.c (negate_expr_p): Use VECTOR_CST_NELTS instead of
 629         TYPE_VECTOR_SUBPARTS for the number of elements in a VECTOR_CST.
 630         (fold_negate_expr_1): Likewise.
 631         (fold_convert_const): Likewise.
 632         (const_binop): Likewise.  Differentiate the number of output and
 633         input elements.
 634         (const_unop): Likewise.
 635         (fold_ternary_loc): Use VECTOR_CST_NELTS for the number of elements
 636         in a VECTOR_CST, asserting that it is the same as TYPE_VECTOR_SUBPARTS
 637         in cases that did the opposite.
 638
 639 2017-09-14  Richard Biener  <rguenther@suse.de>
 640
 641         * tree-ssa-sccvn.c (visit_phi): Merge undefined values similar
 642         to VN_TOP.
 643
 644 2017-09-14  Eric Botcazou  <ebotcazou@adacore.com>
 645
 646         * dwarf2out.c (dwarf2out_source_line): Remove superfluous test.
 647
 648 2017-09-14  Jakub Jelinek  <jakub@redhat.com>
 649
 650         PR target/81325
 651         * cfgbuild.c (find_bb_boundaries): Ignore debug insns in decisions
 652         if and where to split a bb, except for splitting before debug insn
 653         sequences followed by non-label real insn.  Delete debug insns
 654         in between basic blocks.
 655
 656         * combine.c (make_compound_operation_int): Formatting fixes.
 657
 658         * config/alpha/elf.h (LINK_EH_SPEC): Add -static-pie support.
 659         * config/alpha/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
 660         * config/netbsd.h (LINK_EH_SPEC): Likewise.
 661         * config/sol2.h (LINK_EH_SPEC): Likewise.
 662         * config/arm/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
 663         * config/s390/linux.h (LINK_SPEC): Likewise.
 664         * config/freebsd.h (LINK_EH_SPEC): Likewise.
 665         * config/openbsd.h (LINK_EH_SPEC): Likewise.
 666         * config/lm32/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
 667         * config/aarch64/aarch64-linux.h (LINUX_TARGET_LINK_SPEC): Likewise.
 668         * config/powerpcspe/sysv4.h (LINK_EH_SPEC): Likewise.
 669         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
 670         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Fix a typo.
 671         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Formatting fix.
 672
 673 2017-09-13  Jakub Jelinek  <jakub@redhat.com>
 674
 675         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Add -static-pie
 676         support.
 677         (ENDFILE_LINUX_SPEC): Likewise.
 678         (LINK_EH_SPEC): Likewise.
 679         * config/rs6000/linux64.h (LINK_SHLIB_SPEC): Likewise.
 680         (LINK_OS_LINUX_SPEC32): Likewise.
 681         (LINK_OS_LINUX_SPEC64): Likewise.
 682         * config/rs6000/linux.h (LINK_SHLIB_SPEC): Likewise.
 683         (LINK_OS_LINUX_SPEC): Likewise.
 684
 685 2017-09-13  Martin Liska  <mliska@suse.cz>
 686
 687         PR middle-end/82154
 688         * stmt.c (expand_sjlj_dispatch_table): Use CASE_LOW when
 689         CASE_HIGH is NULL_TREE.
 690
 691 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
 692             Alan Hayward  <alan.hayward@arm.com>
 693             David Sherwood  <david.sherwood@arm.com>
 694
 695         * target.def (secondary_memory_needed): New hook.
 696         (secondary_reload): Refer to TARGET_SECONDARY_MEMORY_NEEDED
 697         instead of SECONDARY_MEMORY_NEEDED.
 698         (secondary_memory_needed_mode): Likewise.
 699         * hooks.h (hook_bool_mode_reg_class_t_reg_class_t_false): Declare.
 700         * hooks.c (hook_bool_mode_reg_class_t_reg_class_t_false): New function.
 701         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED): Replace with...
 702         (TARGET_SECONDARY_MEMORY_NEEDED): ...this.
 703         (SECONDARY_MEMORY_NEEDED_RTX): Update reference accordingly.
 704         * doc/tm.texi: Regenerate.
 705         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Delete.
 706         * config/alpha/alpha.c (alpha_secondary_memory_needed): New function.
 707         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 708         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED): Delete.
 709         * config/i386/i386-protos.h (ix86_secondary_memory_needed): Delete.
 710         * config/i386/i386.c (inline_secondary_memory_needed): Put the
 711         mode argument first and change the reg_class arguments to reg_class_t.
 712         (ix86_secondary_memory_needed): Likewise.  Remove the strict parameter.
 713         Make static.  Update the call to inline_secondary_memory_needed.
 714         (ix86_register_move_cost): Update the call to
 715         inline_secondary_memory_needed.
 716         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 717         * config/ia64/ia64.h (SECONDARY_MEMORY_NEEDED): Delete commented-out
 718         definition.
 719         * config/ia64/ia64.c (spill_xfmode_rfmode_operand): Refer to
 720         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
 721         in comment.
 722         * config/mips/mips.h (SECONDARY_MEMORY_NEEDED): Delete.
 723         * config/mips/mips-protos.h (mips_secondary_memory_needed): Delete.
 724         * config/mips/mips.c (mips_secondary_memory_needed): Make static
 725         and match hook interface.  Add comment from mips.h.
 726         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 727         * config/mmix/mmix.md (truncdfsf2): Refer to
 728         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
 729         in comment.
 730         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED): Rename to...
 731         (PA_SECONDARY_MEMORY_NEEDED): ...this, and put the mode argument first.
 732         * config/pa/pa.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 733         (pa_secondary_memory_needed): New function.
 734         * config/pdp11/pdp11.h (SECONDARY_MEMORY_NEEDED): Delete.
 735         * config/pdp11/pdp11-protos.h (pdp11_secondary_memory_needed): Delete.
 736         * config/pdp11/pdp11.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 737         (pdp11_secondary_memory_needed): Make static and match hook interface.
 738         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED): Delete.
 739         * config/powerpcspe/powerpcspe-protos.h
 740         (rs6000_secondary_memory_needed_ptr): Delete.
 741         * config/powerpcspe/powerpcspe.c (rs6000_secondary_memory_needed_ptr):
 742         Delete.
 743         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 744         (rs6000_option_override_internal): Assign to
 745         targetm.secondary_memory_needed rather than
 746         rs6000_secondary_memory_needed_ptr.
 747         (rs6000_secondary_memory_needed): Match hook interface.
 748         (rs6000_debug_secondary_memory_needed): Likewise.
 749         * config/riscv/riscv.h (SECONDARY_MEMORY_NEEDED): Delete.
 750         * config/riscv/riscv.c (riscv_secondary_memory_needed): New function.
 751         (riscv_register_move_cost): Use it instead of SECONDARY_MEMORY_NEEDED.
 752         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 753         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED): Delete.
 754         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_ptr):
 755         Delete.
 756         * config/rs6000/rs6000.c (rs6000_secondary_memory_needed_ptr): Delete.
 757         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 758         (rs6000_option_override_internal): Assign to
 759         targetm.secondary_memory_needed rather than
 760         rs6000_secondary_memory_needed_ptr.
 761         (rs6000_secondary_memory_needed): Match hook interface.
 762         (rs6000_debug_secondary_memory_needed): Likewise.
 763         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Delete.
 764         * config/s390/s390.c (s390_secondary_memory_needed): New function.
 765         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 766         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Delete.
 767         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 768         (sparc_secondary_memory_needed): New function.
 769         * lra-constraints.c (check_and_process_move): Refer to
 770         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
 771         in comment.
 772         (curr_insn_transform): Likewise.
 773         (process_alt_operands): Use targetm.secondary_memory_needed
 774         instead of TARGET_SECONDARY_MEMORY_NEEDED.
 775         (check_secondary_memory_needed_p): Likewise.
 776         (choose_split_class): Likewise.
 777         * reload.c: Unconditionally include code that was previously
 778         conditional on SECONDARY_MEMORY_NEEDED.
 779         (push_secondary_reload): Use targetm.secondary_memory_needed
 780         instead of TARGET_SECONDARY_MEMORY_NEEDED.
 781         (push_reload): Likewise.
 782         * reload1.c: Unconditionally include code that was previously
 783         conditional on SECONDARY_MEMORY_NEEDED.
 784         (choose_reload_regs): Use targetm.secondary_memory_needed
 785         instead of TARGET_SECONDARY_MEMORY_NEEDED.
 786         (gen_reload): Likewise.
 787         * system.h (SECONDARY_MEMORY_NEEDED): Poison.
 788
 789 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
 790             Alan Hayward  <alan.hayward@arm.com>
 791             David Sherwood  <david.sherwood@arm.com>
 792
 793         * target.def (secondary_memory_needed_mode): New hook:
 794         * targhooks.c (default_secondary_memory_needed_mode): Declare.
 795         * targhooks.h (default_secondary_memory_needed_mode): New function.
 796         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED_MODE): Replace with...
 797         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): ...this.
 798         * doc/tm.texi: Regenerate.
 799         * lra-constraints.c (check_and_process_move): Use
 800         targetm.secondary_memory_needed_mode instead of
 801         TARGET_SECONDARY_MEMORY_NEEDED_MODE.
 802         (curr_insn_transform): Likewise.
 803         * reload.c (get_secondary_mem): Likewise.
 804         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 805         * config/alpha/alpha.c (alpha_secondary_memory_needed_mode): New
 806         function.
 807         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 808         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 809         * config/i386/i386.c (ix86_secondary_memory_needed_mode): New function.
 810         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 811         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED_MODE):
 812         Delete.
 813         * config/powerpcspe/powerpcspe-protos.h
 814         (rs6000_secondary_memory_needed_mode): Delete.
 815         * config/powerpcspe/powerpcspe.c
 816         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 817         (rs6000_secondary_memory_needed_mode): Make static.
 818         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 819         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_mode):
 820         Delete.
 821         * config/rs6000/rs6000.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
 822         Redefine.
 823         (rs6000_secondary_memory_needed_mode): Make static.
 824         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 825         * config/s390/s390.c (s390_secondary_memory_needed_mode): New function.
 826         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 827         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 828         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
 829         Redefine.
 830         (sparc_secondary_memory_needed_mode): New function.
 831         * system.h (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Poison.
 832
 833 2017-09-13  Jackson Woodruff  <jackson.woodruff@arm.com>
 834
 835         * config/aarch64/constraints.md (Umq): New constraint.
 836         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>):
 837         Change to use Umq.
 838         (mov<mode>): Update condition.
 839
 840 2017-09-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 841
 842         * gimple-ssa-store-merging.c (sort_by_bitpos): Compare store order
 843         when bitposition is the same.
 844
 845 2017-09-13  Richard Biener  <rguenther@suse.de>
 846
 847         * dwarf2out.c (output_die_symbol): Remove.
 848         (output_die): Do not output a DIEs symbol.
 849
 850 2017-09-13  Richard Biener  <rguenther@suse.de>
 851
 852         PR middle-end/82128
 853         * gimple-fold.c (gimple_fold_call): Update SSA name in-place to
 854         default-def to avoid breaking iterator update with the weird
 855         interaction with cgraph_update_edges_for_call_stmt_node.
 856
 857 2017-09-13  Richard Biener  <rguenther@suse.de>
 858
 859         * tree-cfg.c (verify_gimple_assign_binary): Add verification
 860         for WIDEN_SUM_EXPR, VEC_WIDEN_MULT_{HI,LO,EVEN,ODD}_EXPR,
 861         VEC_PACK_{TRUNC,SAT,FIX_TRUNC}_EXPR.
 862         (verify_gimple_assign_ternary): Add verification for DOT_PROD_EXPR.
 863
 864 2017-09-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
 865
 866         * config/aarch64/aarch64.c (aarch64_override_options_after_change_1):
 867         Disable pc relative literal load irrespective of
 868         TARGET_FIX_ERR_A53_84341 for default.
 869
 870 2017-09-12  Eric Botcazou  <ebotcazou@adacore.com>
 871
 872         * config/sparc/sparc.c (output_return): Output the source location of
 873         the insn in the delay slot, if any.
 874         (output_sibcall): Likewise.
 875
 876 2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>
 877
 878         PR driver/81498
 879         * common.opt (-static-pie): New alias.
 880         (shared): Negate static-pie.
 881         (-no-pie): Update help text.
 882         (-pie): Likewise.
 883         (static-pie): New option.
 884         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add
 885         -static-pie support.
 886         (GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
 887         (LINK_EH_SPEC): Likewise.
 888         (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
 889         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
 890         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
 891         * gcc.c (LINK_COMMAND_SPEC): Likewise.
 892         (init_gcc_specs): Likewise.
 893         (init_spec): Likewise.
 894         (display_help): Update help message for -pie.
 895         * doc/invoke.texi: Update -pie, -no-pie and -static.  Document
 896         -static-pie.
 897
 898 2017-09-12  Wilco Dijkstra  <wdijkstr@arm.com>
 899
 900         * config/aarch64/aarch64.md (movsi_aarch64): Remove all '*'.
 901         (movdi_aarch64): Likewise.
 902         (movti_aarch64): Likewise.
 903
 904 2017-09-12 Simon Wright <simon@pushface.org>
 905
 906         PR target/80204
 907         * config/darwin-driver.c (darwin_find_version_from_kernel): Eliminate
 908         calculation of the minor version, always output as 0.
 909
 910 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 911
 912         PR target/82112
 913         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
 914         ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion
 915         on it early, rather than manual conversion late.  For
 916         ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion
 917         instead of performing manual conversion.
 918
 919 2017-09-12  Carl Love  <cel@us.ibm.com>
 920
 921         * config/rs6000/altivec.md (vec_widen_umult_even_v4si,
 922         vec_widen_smult_even_v4si): Add define expands for vmuleuw, vmulesw,
 923         vmulouw, vmulosw.
 924         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
 925         VMULOSW): Add definitions.
 926         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 927         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
 928         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
 929         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
 930         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
 931
 932 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
 933
 934         * config/aarch64/aarch64.md (movdi_aarch64): Set load/store
 935         types correctly.
 936         (movti_aarch64): Likewise.
 937         (movdf_aarch64): Likewise.
 938         (movtf_aarch64): Likewise.
 939         (load_pairdi): Likewise.
 940         (store_pairdi): Likewise.
 941         (load_pairdf): Likewise.
 942         (store_pairdf): Likewise.
 943         (loadwb_pair<GPI:mode>_<P:mode>): Likewise.
 944         (storewb_pair<GPI:mode>_<P:mode>): Likewise.
 945         (ldr_got_small_<mode>): Likewise.
 946         (ldr_got_small_28k_<mode>): Likewise.
 947         (ldr_got_tiny): Likewise.
 948         * config/aarch64/iterators.md (ldst_sz): New.
 949         (ldpstp_sz): Likewise.
 950         * config/aarch64/thunderx.md (thunderx_storepair): Split store_8
 951         to store_16.
 952         (thunderx_load): Split load_8 to load_16.
 953         * config/aarch64/thunderx2t99.md (thunderx2t99_loadpair): Split
 954         load_8 to load_16.
 955         (thunderx2t99_storepair_basic): Split store_8 to store_16.
 956         * config/arm/xgene1.md (xgene1_load_pair): Split load_8 to load_16.
 957         (xgene1_store_pair): Split store_8 to store_16.
 958         * config/aarch64/falkor.md (falkor_ld_3_ld): Split load_8 to load_16.
 959         (falkor_st_0_st_sd): Split store_8 to store_16.
 960
 961 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
 962
 963         * config/arm/types.md (type): Rename load1/2/3/4 to load_4/8/12/16
 964         and store1/2/3/4 to store_4/8/12/16.
 965         * config/aarch64/aarch64.md: Update for rename.
 966         * config/arm/arm.md: Likewise.: Likewise.
 967         * config/arm/arm.c: Likewise.
 968         * config/arm/thumb1.md: Likewise.
 969         * config/arm/thumb2.md: Likewise.
 970         * config/arm/vfp.md: Likewise.
 971         * config/arm/arm-generic.md: Likewise.
 972         * config/arm/arm1020e.md: Likewise.
 973         * config/arm/arm1026ejs.md: Likewise.
 974         * config/arm/arm1136jfs.md: Likewise.
 975         * config/arm/arm926ejs.md: Likewise.
 976         * config/arm/cortex-a15.md: Likewise.
 977         * config/arm/cortex-a17.md: Likewise.
 978         * config/arm/cortex-a5.md: Likewise.
 979         * config/arm/cortex-a53.md: Likewise.
 980         * config/arm/cortex-a57.md: Likewise.
 981         * config/arm/cortex-a7.md: Likewise.
 982         * config/arm/cortex-a8.md: Likewise.
 983         * config/arm/cortex-a9.md: Likewise.
 984         * config/arm/cortex-m4.md: Likewise.
 985         * config/arm/cortex-m7.md: Likewise.
 986         * config/arm/cortex-r4.md: Likewise.
 987         * config/arm/exynos-m1.md: Likewise.
 988         * config/arm/fa526.md: Likewise.
 989         * config/arm/fa606te.md: Likewise.
 990         * config/arm/fa626te.md: Likewise.
 991         * config/arm/fa726te.md: Likewise.
 992         * config/arm/fmp626.md: Likewise.
 993         * config/arm/iwmmxt.md: Likewise.
 994         * config/arm/ldmstm.md: Likewise.
 995         * config/arm/marvell-pj4.md: Likewise.
 996         * config/arm/xgene1.md: Likewise.
 997         * config/aarch64/thunderx.md: Likewise.
 998         * config/aarch64/thunderx2t99.md: Likewise.
 999         * config/aarch64/falkor.md: Likewise.
1000
1001 2017-09-12  Martin Liska  <mliska@suse.cz>
1002
1003         * attribs.c (private_lookup_attribute): New function.
1004         * attribs.h (private_lookup_attribute): Declared here.
1005         (lookup_attribute): Called from this place.
1006
1007 2017-09-12  Richard Biener  <rguenther@suse.de>
1008
1009         PR tree-optimization/82157
1010         * tree-ssa-pre.c (remove_dead_inserted_code): Do not remove
1011         stmts with side-effects.
1012
1013 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1014             Alan Hayward  <alan.hayward@arm.com>
1015             David Sherwood <david.sherwood@arm.com>
1016
1017         * target.def (hard_regno_nregs): New hook.
1018         (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
1019         * targhooks.h (default_hard_regno_nregs): Declare.
1020         * targhooks.c (default_hard_regno_nregs): New function.
1021         * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
1022         (TARGET_HARD_REGNO_NREGS): ...this hook.
1023         (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
1024         (CLASS_MAX_NREGS): Likewise.
1025         * doc/tm.texi: Regenerate.
1026         * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
1027         instead of HARD_REGNO_NREGS.
1028         * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
1029         HARD_REGNO_NREGS in the comment.
1030         * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
1031         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
1032         * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
1033         Return an unsigned int.
1034         (TARGET_HARD_REGNO_NREGS): Redefine.
1035         * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
1036         * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
1037         * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
1038         (arc_hard_regno_nregs): New function.
1039         * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
1040         * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
1041         (arm_hard_regno_nregs): New function.
1042         * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
1043         * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
1044         * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
1045         (TARGET_HARD_REGNO_NREGS): Redefine.
1046         * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
1047         * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
1048         (HARD_REGNO_NREGS): Delete.
1049         * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
1050         (cr16_hard_regno_nregs): New function.
1051         (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
1052         * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
1053         * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
1054         (cris_hard_regno_nregs): New function.
1055         * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
1056         * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
1057         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
1058         * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
1059         (CLASS_MAX_NREGS): Remove outdated copy of documentation.
1060         * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
1061         * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
1062         (frv_hard_regno_nregs): Make static.  Take and return an
1063         unsigned int.
1064         (frv_class_max_nregs): Remove outdated copy of documentation.
1065         * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
1066         * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
1067         * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
1068         * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
1069         * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
1070         * config/i386/i386.c (ix86_hard_regno_nregs): New function.
1071         (TARGET_HARD_REGNO_NREGS): Redefine.
1072         * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
1073         (CLASS_MAX_NREGS): Update comment.
1074         * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
1075         (ia64_hard_regno_nregs): New function.
1076         * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
1077         * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
1078         * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
1079         * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
1080         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
1081         an unsigned int.
1082         (m32c_hard_regno_nregs): Likewise.  Make static.
1083         (TARGET_HARD_REGNO_NREGS): Redefine.
1084         * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
1085         * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
1086         * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
1087         (m68k_hard_regno_nregs): New function.
1088         * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
1089         * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
1090         * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
1091         * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
1092         * config/mips/mips.c (mips_hard_regno_nregs): Make static.
1093         Take and return an unsigned int.
1094         (TARGET_HARD_REGNO_NREGS): Redefine.
1095         * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
1096         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
1097         * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
1098         * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
1099         * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
1100         * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
1101         * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
1102         (msp430_hard_regno_nregs): Make static.  Take and return an
1103         unsigned int.
1104         * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
1105         * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
1106         * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
1107         (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
1108         * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
1109         * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
1110         * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
1111         (TARGET_HARD_REGNO_NREGS): Redefine.
1112         * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
1113         (PA_HARD_REGNO_NREGS): ...this.
1114         * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
1115         (PA_HARD_REGNO_NREGS): ...this.
1116         * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
1117         (pa_hard_regno_nregs): New function.
1118         * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
1119         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
1120         (pdp11_hard_regno_nregs): New function.
1121         * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
1122         * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
1123         (rs6000_hard_regno_nregs_hook): New function.
1124         * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
1125         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
1126         * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
1127         Take and return an unsigned int.  Move earlier in file.
1128         (TARGET_HARD_REGNO_NREGS): Redefine.
1129         * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
1130         * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
1131         * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
1132         (rl78_hard_regno_nregs): Make static.  Take and return an
1133         unsigned int.
1134         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
1135         * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
1136         (rs6000_hard_regno_nregs_hook): New function.
1137         * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
1138         * config/rx/rx.c (rx_hard_regno_nregs): New function.
1139         (TARGET_HARD_REGNO_NREGS): Redefine.
1140         * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
1141         * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
1142         instead of HARD_REGNO_NREGS.
1143         (s390_hard_regno_nregs): New function.
1144         (s390_hard_regno_mode_ok): Add comment from s390.h.
1145         (TARGET_HARD_REGNO_NREGS): Redefine.
1146         * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
1147         * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
1148         (sh_hard_regno_nregs): New function.
1149         (sh_pass_in_reg_p): Use it.
1150         * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
1151         * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
1152         (sparc_hard_regno_nregs): New function.
1153         * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
1154         * config/spu/spu.c (spu_hard_regno_nregs): New function.
1155         (spu_function_arg_advance): Use it, supplying a valid register number.
1156         (TARGET_HARD_REGNO_NREGS): Redefine.
1157         * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
1158         * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
1159         * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
1160         * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
1161         * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
1162         * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
1163         (CLASS_MAX_NREGS): Remove copy of old documentation.
1164         * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
1165         (visium_hard_regno_nregs): New function.
1166         (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
1167         * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
1168         * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
1169         xtensa_hard_regno_nregs): New function.
1170         * system.h (HARD_REGNO_NREGS): Poison.
1171
1172 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1173
1174         * config/arm/arm.h (THUMB_SECONDARY_INPUT_RELOAD_CLASS): Use
1175         hard_regno_nregs instead of HARD_REGNO_NREGS.
1176         (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1177         * config/c6x/c6x.c (c6x_expand_prologue): Likewise.
1178         (c6x_expand_epilogue): Likewise.
1179         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
1180         (frv_read_iacc_argument): Likewise.
1181         * config/sh/sh.c: Include regs.h.
1182         (sh_print_operand): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
1183         (regs_used): Likewise.
1184         (output_stack_adjust): Likewise.
1185         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Likewise.
1186         * expmed.c: Include regs.h.
1187         (store_bit_field_1): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
1188         * ree.c: Include regs.h.
1189         (combine_reaching_defs): Use hard_regno_nregs instead of
1190         HARD_REGNO_NREGS.
1191         (add_removable_extension): Likewise.
1192
1193 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1194
1195         * regs.h (hard_regno_nregs): Turn into a function.
1196         (end_hard_regno): Update accordingly.
1197         * caller-save.c (setup_save_areas): Likewise.
1198         (save_call_clobbered_regs): Likewise.
1199         (replace_reg_with_saved_mem): Likewise.
1200         (insert_restore): Likewise.
1201         (insert_save): Likewise.
1202         * combine.c (can_change_dest_mode): Likewise.
1203         (move_deaths): Likewise.
1204         (distribute_notes): Likewise.
1205         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
1206         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
1207         (rs6000_split_multireg_move): Likewise.
1208         (rs6000_register_move_cost): Likewise.
1209         (rs6000_memory_move_cost): Likewise.
1210         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
1211         (rs6000_split_multireg_move): Likewise.
1212         (rs6000_register_move_cost): Likewise.
1213         (rs6000_memory_move_cost): Likewise.
1214         * cselib.c (cselib_reset_table): Likewise.
1215         (cselib_lookup_1): Likewise.
1216         * emit-rtl.c (set_mode_and_regno): Likewise.
1217         * function.c (aggregate_value_p): Likewise.
1218         * ira-color.c (setup_profitable_hard_regs): Likewise.
1219         (check_hard_reg_p): Likewise.
1220         (calculate_saved_nregs): Likewise.
1221         (assign_hard_reg): Likewise.
1222         (improve_allocation): Likewise.
1223         (calculate_spill_cost): Likewise.
1224         * ira-emit.c (modify_move_list): Likewise.
1225         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
1226         (ira_hard_reg_in_set_p): Likewise.
1227         * ira.c (setup_reg_mode_hard_regset): Likewise.
1228         (clarify_prohibited_class_mode_regs): Likewise.
1229         (check_allocation): Likewise.
1230         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1231         (lra_setup_reg_renumber): Likewise.
1232         (setup_try_hard_regno_pseudos): Likewise.
1233         (spill_for): Likewise.
1234         (assign_hard_regno): Likewise.
1235         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
1236         * lra-constraints.c (in_class_p): Likewise.
1237         (lra_constraint_offset): Likewise.
1238         (simplify_operand_subreg): Likewise.
1239         (lra_constraints): Likewise.
1240         (split_reg): Likewise.
1241         (split_if_necessary): Likewise.
1242         (invariant_p): Likewise.
1243         (inherit_in_ebb): Likewise.
1244         * lra-lives.c (process_bb_lives): Likewise.
1245         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
1246         (get_hard_regs): Likewise.
1247         (do_remat): Likewise.
1248         * lra-spills.c (assign_spill_hard_regs): Likewise.
1249         * mode-switching.c (create_pre_exit): Likewise.
1250         * postreload.c (reload_combine_recognize_pattern): Likewise.
1251         * recog.c (peep2_find_free_register): Likewise.
1252         * regcprop.c (kill_value_regno): Likewise.
1253         (set_value_regno): Likewise.
1254         (copy_value): Likewise.
1255         (maybe_mode_change): Likewise.
1256         (find_oldest_value_reg): Likewise.
1257         (copyprop_hardreg_forward_1): Likewise.
1258         * regrename.c (check_new_reg_p): Likewise.
1259         (regrename_do_replace): Likewise.
1260         * reload.c (push_reload): Likewise.
1261         (combine_reloads): Likewise.
1262         (find_dummy_reload): Likewise.
1263         (operands_match_p): Likewise.
1264         (find_reloads): Likewise.
1265         (find_equiv_reg): Likewise.
1266         (reload_adjust_reg_for_mode): Likewise.
1267         * reload1.c (count_pseudo): Likewise.
1268         (count_spilled_pseudo): Likewise.
1269         (find_reg): Likewise.
1270         (clear_reload_reg_in_use): Likewise.
1271         (free_for_value_p): Likewise.
1272         (allocate_reload_reg): Likewise.
1273         (choose_reload_regs): Likewise.
1274         (reload_adjust_reg_for_temp): Likewise.
1275         (emit_reload_insns): Likewise.
1276         (delete_output_reload): Likewise.
1277         * rtlanal.c (subreg_get_info): Likewise.
1278         * sched-deps.c (sched_analyze_reg): Likewise.
1279         * sel-sched.c (init_regs_for_mode): Likewise.
1280         (mark_unavailable_hard_regs): Likewise.
1281         (choose_best_reg_1): Likewise.
1282         (verify_target_availability): Likewise.
1283         * valtrack.c (dead_debug_insert_temp): Likewise.
1284         * var-tracking.c (track_loc_p): Likewise.
1285         (emit_note_insn_var_location): Likewise.
1286         * varasm.c (make_decl_rtl): Likewise.
1287         * reginfo.c (choose_hard_reg_mode): Likewise.
1288         (init_reg_modes_target): Refer directly to
1289         this_target_regs->x_hard_regno_nregs.
1290
1291 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1292
1293         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
1294         instead of hard_regno_nregs.
1295
1296 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1297
1298         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
1299         end_hard_regno instead of hard_regno_nregs.
1300         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
1301         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
1302         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
1303         * ira-color.c (improve_allocation): Likewise.
1304         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1305         * lra-lives.c (mark_regno_live): Likewise.
1306         (mark_regno_dead): Likewise.
1307         * lra-remat.c (operand_to_remat): Likewise.
1308         * lra.c (collect_non_operand_hard_regs): Likewise.
1309         * postreload.c (reload_combine_note_store): Likewise.
1310         (move2add_valid_value_p): Likewise.
1311         * reload.c (regno_clobbered_p): Likewise.
1312
1313 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1314
1315         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
1316         hard_regno_nregs.
1317         * config/v850/v850.c (v850_reorg): Likewise.
1318         * reload.c (refers_to_regno_for_reload_p): Likewise.
1319         (find_equiv_reg): Likewise.
1320         * reload1.c (reload_reg_reaches_end_p): Likewise.
1321
1322 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1323
1324         * caller-save.c (add_used_regs): Use REG_NREGS instead of
1325         hard_regno_nregs.
1326         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
1327         * config/arm/arm.c (output_move_neon): Likewise.
1328         (arm_attr_length_move_neon): Likewise.
1329         (neon_split_vcombine): Likewise.
1330         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
1331         (c6x_mark_reg_written): Likewise.
1332         (c6x_dwarf_register_span): Likewise.
1333         * config/i386/i386.c (ix86_save_reg): Likewise.
1334         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
1335         (rws_access_reg): Likewise.
1336         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
1337         * mode-switching.c (create_pre_exit): Likewise.
1338         * ree.c (combine_reaching_defs): Likewise.
1339         (add_removable_extension): Likewise.
1340         * regcprop.c (find_oldest_value_reg): Likewise.
1341         (copyprop_hardreg_forward_1): Likewise.
1342         * reload.c (reload_inner_reg_of_subreg): Likewise.
1343         (push_reload): Likewise.
1344         (combine_reloads): Likewise.
1345         (find_dummy_reload): Likewise.
1346         (reload_adjust_reg_for_mode): Likewise.
1347         * reload1.c (find_reload_regs): Likewise.
1348         (forget_old_reloads_1): Likewise.
1349         (reload_reg_free_for_value_p): Likewise.
1350         (reload_adjust_reg_for_temp): Likewise.
1351         (emit_reload_insns): Likewise.
1352         (delete_output_reload): Likewise.
1353         * sel-sched.c (choose_best_reg_1): Likewise.
1354         (choose_best_pseudo_reg): Likewise.
1355
1356 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1357             Alan Hayward  <alan.hayward@arm.com>
1358             David Sherwood <david.sherwood@arm.com>
1359
1360         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
1361         * target.def (slow_unaligned_access): New hook.
1362         * targhooks.h (default_slow_unaligned_access): Declare.
1363         * targhooks.c (default_slow_unaligned_access): New function.
1364         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
1365         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
1366         * doc/tm.texi: Regenerate.
1367         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
1368         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
1369         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
1370         definition.
1371         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
1372         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
1373         Redefine.
1374         (rs6000_slow_unaligned_access): New function.
1375         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
1376         (expand_block_compare): Likewise.
1377         (expand_strn_compare): Likewise.
1378         (rs6000_rtx_costs): Likewise.
1379         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
1380         (riscv_slow_unaligned_access): Likewise.
1381         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
1382         (riscv_slow_unaligned_access_p): ...this and make static.
1383         (riscv_option_override): Update accordingly.
1384         (riscv_slow_unaligned_access): New function.
1385         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
1386         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
1387         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
1388         (rs6000_slow_unaligned_access): New function.
1389         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
1390         (rs6000_rtx_costs): Likewise.
1391         * config/rs6000/rs6000-string.c (expand_block_compare)
1392         (expand_strn_compare): Use targetm.slow_unaligned_access instead
1393         of SLOW_UNALIGNED_ACCESS.
1394         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
1395         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
1396         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
1397         of SLOW_UNALIGNED_ACCESS.
1398         * expmed.c (simple_mem_bitfield_p): Likewise.
1399         * expr.c (alignment_for_piecewise_move): Likewise.
1400         (emit_group_load_1): Likewise.
1401         (emit_group_store): Likewise.
1402         (copy_blkmode_from_reg): Likewise.
1403         (emit_push_insn): Likewise.
1404         (expand_assignment): Likewise.
1405         (store_field): Likewise.
1406         (expand_expr_real_1): Likewise.
1407         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
1408         * lra-constraints.c (simplify_operand_subreg): Likewise.
1409         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
1410         * gimple-ssa-store-merging.c: Likewise in block comment at start
1411         of file.
1412         * tree-ssa-strlen.c: Include target.h.
1413         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
1414         of SLOW_UNALIGNED_ACCESS.
1415         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
1416
1417 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
1418
1419         PR rtl-optimization/82185
1420         * expmed.c (emit_store_flag_int): Only test tem if it has been
1421         initialized.
1422
1423 2017-09-12  Richard Biener  <rguenther@suse.de>
1424
1425         PR middle-end/82149
1426         * match.pd ((FTYPE) N CMP CST): Fix typo.
1427
1428 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
1429
1430         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
1431         attribute.
1432         (mips_near_type_p): Add 'short_call' attribute as a synonym
1433         for 'near'.
1434         * doc/extend.texi (short_call): Document new function attribute.
1435
1436 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR target/82112
1439         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
1440         assertion check that in the condition.
1441         (get_atomic_generic_size): Likewise.  Before testing if parameter
1442         has pointer type, if it has array type, call for C++
1443         default_conversion to perform array-to-pointer conversion.
1444
1445 2017-09-12  Richard Biener  <rguenther@suse.de>
1446
1447         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
1448         for operations we cannot scalarize.
1449
1450 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
1451
1452         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
1453         vectors heap vectors.  Clean up comments.
1454         Make visited_bbs a reference.
1455         (profitable_jump_thread_path): Make GC
1456         vectors heap vectors.  Clean up comments.
1457         Misc cleanups.
1458         (convert_and_register_jump_thread_path): Make GC vectors heap
1459         vectors.
1460         (check_subpath_and_update_thread_path): Same.  Clean up comments.
1461         Make visited_bbs a reference.
1462         (handle_phi): Abstract common code to to
1463         register_jump_thread_path_if_profitable.
1464         Rename VAR_BB to DEF_BB.
1465         Update comments.
1466         Make GC vectors heap vectors.
1467         Make visited_bbs a reference.
1468         (handle_assignment): Same.
1469         (register_jump_thread_path_if_profitable): New.
1470         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
1471         DEF_BB.
1472         Make GC vectors heap vectors.  Clean up comments.
1473         Make visited_bbs a reference.
1474         (find_jump_threads_backwards): Make visited_bbs live in the stack.
1475         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
1476         comment.
1477
1478 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
1479
1480         PR target/82181
1481         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
1482         words of E_DImode object are reachable by xtensa_uimm8x4 access.
1483
1484 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
1485
1486         Revert r251800 and r251799.
1487
1488 2017-09-11  Martin Jambor  <mjambor@suse.cz>
1489
1490         PR hsa/82119
1491         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
1492         arguments in advance.
1493         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
1494         use it to find predecessor edges.
1495         (naive_outof_ssa): Collect vector of predecessors.
1496
1497 2017-09-08  Jason Merrill  <jason@redhat.com>
1498
1499         PR c++/70029 - ICE with ref-qualifier and -flto
1500         * langhooks.h (struct lang_hooks_for_types): Add
1501         copy_lang_qualifiers.
1502         * attribs.c (build_type_attribute_qual_variant): Use it.
1503         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
1504         NULL.
1505         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1506         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
1507
1508 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
1509
1510         PR target/81988
1511         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
1512         (*mulsi3_sp64): New instruction.
1513         (mulsi3): New expander.
1514
1515 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
1516
1517         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
1518
1519 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1520
1521         * sancov.c: Include memmodel.h.
1522
1523 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
1524
1525         PR target/80897
1526         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
1527         large offsets.
1528
1529 2017-09-07  Carl Love  <cel@us.ibm.com>
1530
1531         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
1532         the sldi instruction.
1533
1534 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
1535
1536         * sancov.c: Include tm_p.h.
1537
1538 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
1539
1540         PR target/81979
1541         * output.h (switch_to_other_text_partition): New declaration.
1542         * varasm.c (switch_to_other_text_partition): New function.
1543         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
1544         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
1545         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
1546         to the other text partition before emitting LCL label and switch back
1547         after emitting the word after it.
1548
1549 2017-09-07  Richard Biener  <rguenther@suse.de>
1550
1551         * passes.def (pass_split_crit_edges): Remove instance before PRE.
1552         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
1553         critical edges here, after loop init.
1554         (pass_data_pre): Remove PROP_no_crit_edges flags.
1555         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
1556         for valueization of call args to avoid leaking VN_TOP.
1557         (visit_use): Assert we do not visit default defs.
1558         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
1559         Use error_mark_node to more easily detect leaking VN_TOP.
1560         All default-defs are varying, not VN_TOP.  Mark them visited.
1561         (run_scc_vn): Make code match comment.
1562
1563 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1564
1565         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
1566         OPTION_MASK_FLOAT128_KEYWORD.
1567         (POWERPC_MASKS): Likewise.
1568         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
1569         support for the -mfloat128-type option, and make -mfloat128
1570         default on PowerPC Linux systems.  Define or undefine
1571         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
1572         Define __float128 to be __ieee128 if IEEE 128-bit support is
1573         enabled, or undefine it.
1574         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
1575         Delete defining __FLOAT128_TYPE__.
1576         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
1577         -mfloat128-type option and make -mfloat128 default on PowerPC
1578         Linux systems.
1579         (TARGET_FLOAT128_TYPE): Likewise.
1580         (-mfloat128-type): Likewise.
1581         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1582         Delete the -mfloat128-type option and make -mfloat128 default on
1583         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
1584         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
1585         128-bit floating point is enabled.  Change tests from using
1586         -mfloat128-type to -mfloat128.
1587         (rs6000_mangle_type): Use the correct mangling for the __float128
1588         type even if normal long double is restricted to 64-bits.
1589         (floatn_mode): Enable the _Float128 type by default on VSX Linux
1590         systems.
1591         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
1592         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
1593         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
1594         -mfloat128-type.
1595         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
1596         documentation for -mfloat128.
1597
1598 2017-09-06  Olivier Hainque  <hainque@adacore.com>
1599
1600         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
1601
1602 2017-09-06  Wish Wu  <wishwu007@gmail.com>
1603             Jakub Jelinek  <jakub@redhat.com>
1604
1605         * asan.c (initialize_sanitizer_builtins): Add
1606         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
1607         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
1608         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
1609         BT_FN_VOID_UINT64_PTR variables.
1610         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
1611         (BT_FN_VOID_UINT16_UINT16): Likewise.
1612         (BT_FN_VOID_UINT32_UINT32): Likewise.
1613         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
1614         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
1615         (BT_FN_VOID_UINT64_PTR): Likewise.
1616         * common.opt (flag_sanitize_coverage): New variable.
1617         (fsanitize-coverage=trace-pc): Remove.
1618         (fsanitize-coverage=): Add.
1619         * flag-types.h (enum sanitize_coverage_code): New enum.
1620         * fold-const.c (fold_range_test): Disable non-short-circuit
1621         optimization if flag_sanitize_coverage.
1622         (fold_truth_andor): Likewise.
1623         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
1624         * opts.c (COVERAGE_SANITIZER_OPT): Define.
1625         (coverage_sanitizer_opts): New array.
1626         (get_closest_sanitizer_option): Add OPTS argument, handle also
1627         OPT_fsanitize_coverage_.
1628         (parse_sanitizer_options): Adjusted to also handle
1629         OPT_fsanitize_coverage_.
1630         (common_handle_option): Add OPT_fsanitize_coverage_.
1631         * sancov.c (instrument_comparison, instrument_switch): New function.
1632         (sancov_pass): Add trace-cmp support.
1633         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
1634         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
1635         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
1636         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
1637         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
1638         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
1639         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
1640         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
1641         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
1642         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
1643
1644 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
1645
1646         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
1647         error.  Only quit immediately if parsing is complete.
1648         (BEGIN): Initialize fatal_err and parse_done.
1649         (begin fpu, end fpu): Check number of arguments.
1650         (begin arch, end arch): Likewise.
1651         (begin cpu, end cpu): Likewise.
1652         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
1653         (optalias): Likewise.
1654
1655 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
1656
1657         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
1658         * config/arm/arm-isa.h: Delete.  Move definitions to ...
1659         * arm-cpus.in: ... here.  Use new feature and fgroup values.
1660         * config/arm/arm.c (arm_option_override): Use lower case for feature
1661         bit names.
1662         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
1663         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
1664         * config/arm/parsecpu.awk (END): Add new command 'isa'.
1665         (isa_pfx): Delete.
1666         (print_isa_bits_for): New function.
1667         (gen_isa): New function.
1668         (gen_comm_data): Use print_isa_bits_for.
1669         (define feature): New keyword.
1670         (define fgroup): New keyword.
1671         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
1672         (arm-isa.h): Add rule to generate file.
1673         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
1674         case for feature bit names.
1675
1676 2017-09-06  Richard Biener  <rguenther@suse.de>
1677
1678         * tree-ssa-pre.c (NECESSARY): Remove.
1679         (create_expression_by_pieces): Do not touch pass-local flags.
1680         (insert_into_preds_of_block): Likewise.
1681         (do_pre_regular_insertion): Likewise.
1682         (eliminate_insert): Likewise.
1683         (eliminate_dom_walker::before_dom_children): Likewise.
1684         (fini_eliminate): Do not look at inserted_exprs.
1685         (mark_operand_necessary): Remove.
1686         (remove_dead_inserted_code): Replace with simple work-list
1687         algorithm based on inserted_exprs and SSA uses.
1688         (pass_pre::execute): Re-order fini_eliminate and
1689         remove_dead_inserted_code.
1690
1691 2017-09-06  Olivier Hainque  <hainque@adacore.com>
1692
1693         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
1694         for VxWorks 7.  Adjust surrounding comments.
1695
1696 2017-09-06  Richard Biener  <rguenther@suse.de>
1697
1698         * gimple-ssa-strength-reduction.c
1699         (find_candidates_dom_walker::before_dom_children): Also allow
1700         pointer types.
1701
1702 2017-09-06  Richard Biener  <rguenther@suse.de>
1703
1704         PR tree-optimization/82108
1705         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
1706         for gap in the non-permutation SLP case.
1707
1708 2017-09-06  Martin Jambor  <mjambor@suse.cz>
1709
1710         PR tree-optimization/82078
1711         * tree-sra.c (sort_and_splice_var_accesses): Move call to
1712         add_access_to_work_queue...
1713         (build_accesses_from_assign): ...here.
1714         (propagate_all_subaccesses): Make sure racc is the group
1715         representative, if there is one.
1716
1717 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
1718
1719         PR middle-end/82095
1720         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
1721         NULL DECL_INITIAL.
1722
1723 2017-09-06  Richard Biener  <rguenther@suse.de>
1724
1725         * gimple-ssa-strength-reduction.c
1726         (find_candidates_dom_walker::before_doom_children): Use a
1727         type and not a mode check.
1728
1729 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1730
1731         PR target/77308
1732         * config/arm/predicates.md (arm_general_adddi_operand): Create new
1733         non-vfp predicate.
1734         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
1735
1736 2017-09-05  Jeff Law  <law@redhat.com>
1737
1738         PR tree-optimization/64910
1739         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
1740         cases where we have 3 or more operands.
1741
1742 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR middle-end/81768
1745         * omp-low.c (lower_omp_for): Recompute tree invariant if
1746         gimple_omp_for_initial/final is ADDR_EXPR.
1747
1748         PR middle-end/81768
1749         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
1750         into gimple val before gimplification fo the COND_EXPR.
1751
1752 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
1753
1754         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
1755         REGION_COPY argument.
1756         (thread_through_all_blocks): Remove unused argument to
1757         duplicate_thread_path.
1758
1759 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1760             Alan Hayward  <alan.hayward@arm.com>
1761             David Sherwood  <david.sherwood@arm.com>
1762
1763         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
1764         Take a scalar_mode rather than a machine_mode.
1765         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
1766         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
1767         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
1768         (aarch64_gen_adjusted_ldpstp): Likewise.
1769         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
1770
1771 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1772             Alan Hayward  <alan.hayward@arm.com>
1773             David Sherwood  <david.sherwood@arm.com>
1774
1775         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
1776         Take a scalar_int_mode instead of a machine_mode.
1777         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
1778         (aarch64_output_scalar_simd_mov_immediate): Likewise.
1779         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
1780         (aarch64_simd_attr_length_rglist): Delete.
1781         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
1782         a scalar_int_mode instead of a machine_mode.
1783         (aarch64_add_offset): Likewise.
1784         (aarch64_internal_mov_immediate): Likewise
1785         (aarch64_add_constant_internal): Likewise.
1786         (aarch64_add_constant): Likewise.
1787         (aarch64_movw_imm): Likewise.
1788         (aarch64_rtx_arith_op_extract_p): Likewise.
1789         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
1790         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
1791         Remove assert that the mode isn't a vector.
1792         (aarch64_output_scalar_simd_mov_immediate): Likewise.
1793         (aarch64_expand_mov_immediate): Update calls after above changes.
1794         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
1795         (aarch64_and_bitmask_imm): Check for scalar integer modes.
1796         (aarch64_move_imm): Likewise.
1797         (aarch64_can_const_movi_rtx_p): Likewise.
1798         (aarch64_strip_extend): Likewise.
1799         (aarch64_extr_rtx_p): Likewise.
1800         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
1801         a CONST_INT when the mode parameter is VOIDmode.
1802         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
1803
1804 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1805
1806         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
1807         * stor-layout.c (bitwise_mode_for_mode): Likewise.
1808         (bitwise_type_for_mode): Update accordingly.
1809
1810 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1811
1812         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
1813         * stor-layout.c (mode_for_size_tree): Likewise.
1814         (mode_for_array): Update accordingly.
1815         (layout_decl): Likewise.
1816         (compute_record_mode): Likewise.  Only set the mode once.
1817
1818 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1819
1820         * target.def (get_mask_mode): Change return type to opt_mode.
1821         Expand commentary.
1822         * doc/tm.texi: Regenerate.
1823         * targhooks.h (default_get_mask_mode): Return an opt_mode.
1824         * targhooks.c (default_get_mask_mode): Likewise.
1825         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
1826         * optabs-query.c (can_vec_mask_load_store_p): Update use of
1827         targetm.get_mask_mode.
1828         * tree.c (build_truth_vector_type): Likewise.
1829
1830 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1831
1832         * machmode.h (mode_for_vector): Return an opt_mode.
1833         * stor-layout.c (mode_for_vector): Likewise.
1834         (mode_for_int_vector): Update accordingly.
1835         (layout_type): Likewise.
1836         * config/i386/i386.c (emit_memmov): Likewise.
1837         (ix86_expand_set_or_movmem): Likewise.
1838         (ix86_expand_vector_init): Likewise.
1839         (ix86_get_mask_mode): Likewise.
1840         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
1841         Likewise.
1842         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
1843         * expmed.c (extract_bit_field_1): Likewise.
1844         * expr.c (expand_expr_real_2): Likewise.
1845         * optabs-query.c (can_vec_perm_p): Likewise.
1846         (can_vec_mask_load_store_p): Likewise.
1847         * optabs.c (expand_vec_perm): Likewise.
1848         * targhooks.c (default_get_mask_mode): Likewise.
1849         * tree-vect-stmts.c (vectorizable_store): Likewise.
1850         (vectorizable_load): Likewise.
1851         (get_vectype_for_scalar_type_and_size): Likewise.
1852
1853 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1854
1855         * machmode.h (mode_for_int_vector): New function.
1856         * stor-layout.c (mode_for_int_vector): Likewise.
1857         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
1858         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
1859         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
1860         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
1861         (s390_expand_vcond): Likewise.
1862
1863 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1864
1865         * machmode.h (opt_machine_mode): New type.
1866         (opt_mode<T>): Allow construction from anything that can be
1867         converted to a T.
1868         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
1869         (mode_for_size): Return an opt_machine_mode.
1870         * stor-layout.c (mode_for_size): Likewise.
1871         (mode_for_size_tree): Update call accordingly.
1872         (bitwise_mode_for_mode): Likewise.
1873         (make_fract_type): Likewise.
1874         (make_accum_type): Likewise.
1875         * caller-save.c (replace_reg_with_saved_mem): Update call
1876         accordingly.
1877         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1878         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1879         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1880         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1881         * expmed.c (extract_bit_field_1): Likewise.
1882         * reload.c (get_secondary_mem): Likewise.
1883         * varasm.c (assemble_integer): Likewise.
1884         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
1885         early-out.
1886
1887 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1888
1889         * machmode.h (decimal_float_mode_for_size): New function.
1890         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
1891         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
1892         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
1893         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
1894         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
1895         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
1896
1897 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1898
1899         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
1900         (get_builtin_sync_mode): Likewise.
1901         (expand_ifn_atomic_compare_exchange): Likewise.
1902         (expand_builtin_atomic_clear): Likewise.
1903         (expand_builtin_atomic_test_and_set): Likewise.
1904         (fold_builtin_atomic_always_lock_free): Likewise.
1905         * calls.c (compute_argument_addresses): Likewise.
1906         (emit_library_call_value_1): Likewise.
1907         (store_one_arg): Likewise.
1908         * combine.c (combine_instructions): Likewise.
1909         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
1910         * config/arm/arm.c (arm_function_value): Likewise.
1911         (aapcs_allocate_return_reg): Likewise.
1912         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
1913         * config/i386/i386.c (construct_container): Likewise.
1914         (ix86_gimplify_va_arg): Likewise.
1915         (ix86_expand_sse_cmp): Likewise.
1916         (emit_memmov): Likewise.
1917         (emit_memset): Likewise.
1918         (expand_small_movmem_or_setmem): Likewise.
1919         (ix86_expand_pextr): Likewise.
1920         (ix86_expand_pinsr): Likewise.
1921         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
1922         * config/microblaze/microblaze.c (microblaze_block_move_straight):
1923         Likewise.
1924         * config/mips/mips.c (mips_function_value_1) Likewise.
1925         (mips_block_move_straight): Likewise.
1926         (mips_expand_ins_as_unaligned_store): Likewise.
1927         * config/powerpcspe/powerpcspe.c
1928         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1929         (rs6000_darwin64_record_arg_flush): Likewise.
1930         * config/rs6000/rs6000.c
1931         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1932         (rs6000_darwin64_record_arg_flush): Likewise.
1933         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
1934         (sparc_function_value_1): Likewise.
1935         * config/spu/spu.c (adjust_operand): Likewise.
1936         (spu_emit_branch_or_set): Likewise.
1937         (arith_immediate_p): Likewise.
1938         * emit-rtl.c (gen_lowpart_common): Likewise.
1939         * expr.c (expand_expr_real_1): Likewise.
1940         * function.c (assign_parm_setup_block): Likewise.
1941         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
1942         * reload1.c (alter_reg): Likewise.
1943         * stor-layout.c (mode_for_vector): Likewise.
1944         (layout_type): Likewise.
1945
1946 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1947
1948         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
1949         (spu_convert_move): Likewise.
1950         * lower-subreg.c (resolve_simple_move): Likewise.
1951
1952 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1953
1954         PR target/81833
1955         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
1956         define_insn to a define_expand.
1957         (altivec_vsum2sws_direct): New define_insn.
1958         (altivec_vsumsws): Convert from a define_insn to a define_expand.
1959
1960 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1961
1962         * config/arm/arm.c (arm_option_params_internal): Improve setting of
1963         max_insns_skipped.
1964
1965 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1966
1967         PR target/59501
1968         PR target/81624
1969         PR target/81769
1970         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
1971         realign stack if stack alignment needed is less than incoming
1972         stack boundary.
1973
1974 2017-09-05  Marek Polacek  <polacek@redhat.com>
1975
1976         PR sanitizer/82072
1977         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
1978         check earlier.
1979
1980 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1981
1982         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
1983
1984 2017-09-05  Richard Biener  <rguenther@suse.de>
1985
1986         PR tree-optimization/82084
1987         * fold-const.c (can_native_encode_string_p): Handle wide characters.
1988
1989 2017-09-05  Richard Biener  <rguenther@suse.de>
1990
1991         PR tree-optimization/82102
1992         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
1993
1994 2017-09-05  Martin Liska  <mliska@suse.cz>
1995
1996         PR tree-optimization/82032
1997         * tree-cfg.c (generate_range_test): New function.
1998         * tree-cfg.h (generate_range_test): Declared here.
1999         * tree-cfgcleanup.c (convert_single_case_switch): New function.
2000         (cleanup_control_expr_graph): Use it.
2001         * tree-switch-conversion.c (try_switch_expansion): Remove
2002         assert.
2003         (emit_case_nodes): Use generate_range_test.
2004
2005 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         PR target/82098
2008         * config/i386/i386.md (*<btsc><mode>_mask): Add
2009         TARGET_USE_BT to insn constraint.
2010         (*btr<mode>_mask): Ditto.
2011
2012 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
2013
2014         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
2015         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
2016
2017 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2018
2019         PR target/77308
2020         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
2021         TARGET_NEON and TARGET_IWMMXT.
2022         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
2023         TARGET_NEON and TARGET_IWMMXT.
2024         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
2025
2026 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
2027
2028         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
2029         (ix86_rewrite_tls_address): Ditto.
2030         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
2031         (ix86_rewrite_tls_address_1): Ditto.
2032         (ix86_rewrite_tls_address): Ditto.
2033         * config/i386/predicates.md (tls_address_pattern): New predicate.
2034         * config/i386/i386.md (TLS address splitter): New splitter.
2035
2036 2017-09-04  Richard Biener  <rguenther@suse.de>
2037
2038         PR tree-optimization/82084
2039         * fold-const.h (can_native_encode_string_p): Declare.
2040         * fold-const.c (can_native_encode_string_p): Factor out from ...
2041         (native_encode_string): ... here.
2042         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
2043         vectorizing stores from constants we later cannot handle.
2044
2045 2017-09-04  Marek Polacek  <polacek@redhat.com>
2046
2047         PR c/81783
2048         * doc/invoke.texi: Update -Wtautological-compare documentation.
2049
2050 2017-09-04  Jeff Law  <law@redhat.com>
2051
2052         PR tree-optimization/64910
2053         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
2054         swap the first and last operand if the last is a constant.
2055
2056 2017-09-04  Marek Polacek  <polacek@redhat.com>
2057
2058         PR sanitizer/82072
2059         * convert.c (do_narrow): When sanitizing signed integer overflows,
2060         bail out for signed types.
2061         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
2062
2063 2017-09-04  Richard Biener  <rguenther@suse.de>
2064
2065         PR tree-optimization/82060
2066         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2067         Move devirtualization after stmt folding and before EH/AB/noreturn
2068         cleanup to get the stmt refs canonicalized.  Use a bool instead
2069         of gimple_modified_p since that doesn't work for NOPs.  Schedule
2070         NOPs generated by folding for removal.
2071
2072 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2073             Alan Hayward  <alan.hayward@arm.com>
2074             David Sherwood  <david.sherwood@arm.com>
2075
2076         * coretypes.h (pad_direction): New enum.
2077         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
2078         (FUNCTION_ARG_PADDING): Likewise.
2079         * target.def (function_arg_padding): New hook.
2080         * targhooks.h (default_function_arg_padding): Declare.
2081         * targhooks.c (default_function_arg_padding): New function.
2082         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
2083         (TARGET_FUNCTION_ARG_PADDING): ...this.
2084         * doc/tm.texi: Regenerate.
2085         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
2086         instead of direction.
2087         (compute_argument_addresses): Likewise.
2088         (load_register_parameters): Likewise.
2089         (emit_library_call_value_1): Likewise.
2090         (store_one_arg): Use targetm.calls.function_arg_padding instead
2091         of FUNCTION_ARG_PADDING.
2092         (must_pass_in_stack_var_size_or_pad): Likewise.
2093         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
2094         (emit_group_store): Likewise.
2095         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
2096         instead of FUNCTION_ARG_PADDING.
2097         (emit_push_insn): Likewise, and propagate enum change throughout
2098         function.
2099         * function.h (direction): Delete.
2100         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
2101         of direction.
2102         * function.c (assign_parm_find_stack_rtl): Likewise.
2103         (assign_parm_setup_block_p): Likewise.
2104         (assign_parm_setup_block): Likewise.
2105         (gimplify_parameters): Likewise.
2106         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
2107         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
2108         function.
2109         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
2110         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
2111         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
2112         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
2113         (aarch64_function_arg_padding): ...this new function.
2114         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
2115         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2116         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
2117         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
2118         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
2119         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2120         (arm_pad_arg_upward): Replace with...
2121         (arm_function_arg_padding): ...this new function.
2122         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
2123         of direction.
2124         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
2125         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
2126         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2127         (ia64_hpux_function_arg_padding): Replace with...
2128         (ia64_function_arg_padding): ...this new function.  Use pad_direction
2129         instead of direction.  Check for TARGET_HPUX.
2130         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
2131         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2132         (iq2000_function_arg_padding): New function.
2133         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
2134         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
2135         (mips_function_arg_padding): ...this new function.
2136         (mips_pad_reg_upward): Update accordingly.
2137         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2138         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
2139         targetm.calls.function_arg_padding.
2140         (FUNCTION_ARG_PADDING): Delete.
2141         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
2142         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
2143         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
2144         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
2145         (nios2_block_reg_padding): Return pad_direction instead of direction.
2146         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
2147         instead of direction.
2148         (nios2_function_arg_padding): Likewise.  Make static.
2149         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2150         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
2151         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
2152         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
2153         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2154         (pa_function_arg_padding): Make static.  Return pad_direction instead
2155         of direction.
2156         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
2157         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
2158         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
2159         instead of direction.  Use targetm.calls.function_arg_padding.
2160         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
2161         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
2162         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
2163         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
2164         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
2165         Redefine.
2166         (function_arg_padding): Rename to...
2167         (rs6000_function_arg_padding): ...this.  Make static.  Return
2168         pad_direction instead of direction.
2169         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
2170         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
2171         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
2172         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
2173         instead of direction.  Use targetm.calls.function_arg_padding.
2174         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
2175         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
2176         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
2177         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
2178         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2179         (function_arg_padding): Rename to...
2180         (rs6000_function_arg_padding): ...this.  Make static.  Return
2181         pad_direction instead of direction.
2182         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
2183         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
2184         * config/s390/s390.c (s390_function_arg_padding): New function.
2185         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2186         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
2187         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
2188         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
2189         (function_arg_padding): Rename to...
2190         (sparc_function_arg_padding): ...this.  Make static.  Return
2191         pad_direction instead of direction.
2192         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
2193         * config/spu/spu.c (spu_function_arg_padding): New function.
2194         (TARGET_FUNCTION_ARG_PADDING): Redefine.
2195         * system.h (FUNCTION_ARG_PADDING): Poison.
2196
2197 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2198             Alan Hayward  <alan.hayward@arm.com>
2199             David Sherwood  <david.sherwood@arm.com>
2200
2201         * target.def (modes_tieable_p): New hook.
2202         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
2203         (TARGET_MODES_TIEABLE_P): ...this.
2204         * doc/tm.texi.in: Regenerate.
2205         * hooks.h (hook_bool_mode_mode_true): Declare.
2206         * hooks.c (hook_bool_mode_mode_true): New function.
2207         * combine.c (subst): Use targetm.modes_tieable_p instead of
2208         MODES_TIEABLE_P.
2209         * dse.c (find_shift_sequence): Likewise.
2210         * expmed.c (extract_low_bits): Likewise.
2211         * lower-subreg.c: Include target.h.
2212         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
2213         MODES_TIEABLE_P.
2214         * rtlanal.c (rtx_cost): Likewise.
2215         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
2216         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
2217         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
2218         (TARGET_MODES_TIEABLE_P): Redefine.
2219         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
2220         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
2221         (TARGET_MODES_TIEABLE_P): Redefine.
2222         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
2223         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
2224         (arc_modes_tieable_p): New function.
2225         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
2226         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
2227         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
2228         (arm_modes_tieable_p): Make static.
2229         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
2230         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
2231         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
2232         (TARGET_MODES_TIEABLE_P): Redefine.
2233         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
2234         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
2235         (TARGET_MODES_TIEABLE_P): Redefine.
2236         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
2237         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
2238         (cr16_modes_tieable_p): New function.
2239         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
2240         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
2241         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
2242         (TRULY_NOOP_TRUNCATION): Update comment.
2243         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
2244         (TRULY_NOOP_TRUNCATION): Update comment.
2245         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
2246         (frv_modes_tieable_p): New function.
2247         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
2248         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
2249         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
2250         (TARGET_MODES_TIEABLE_P): Redefine.
2251         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
2252         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
2253         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
2254         (TARGET_MODES_TIEABLE_P): Redefine.
2255         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
2256         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
2257         (ia64_modes_tieable_p): New function.
2258         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
2259         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
2260         (iq2000_modes_tieable_p): New function.
2261         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
2262         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
2263         (lm32_modes_tieable_p): New function.
2264         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
2265         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
2266         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
2267         (TARGET_MODES_TIEABLE_P): Redefine.
2268         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
2269         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
2270         (m32r_modes_tieable_p): New function.
2271         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
2272         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
2273         (m68k_modes_tieable_p): New function.
2274         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
2275         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
2276         (mcore_modes_tieable_p): New function.
2277         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
2278         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
2279         function.
2280         (TARGET_MODES_TIEABLE_P): Redefine.
2281         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
2282         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
2283         * config/mips/mips.c (mips_modes_tieable_p): Make static.
2284         (TARGET_MODES_TIEABLE_P): Redefine.
2285         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
2286         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
2287         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
2288         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
2289         (mn10300_modes_tieable_p): ...this and make static.
2290         (TARGET_MODES_TIEABLE_P): Redefine.
2291         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
2292         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
2293         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
2294         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
2295         (msp430_modes_tieable_p): Make static.
2296         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
2297         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
2298         (TARGET_MODES_TIEABLE_P): Redefine.
2299         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
2300         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
2301         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
2302         (TARGET_MODES_TIEABLE_P): Redefine.
2303         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
2304         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
2305         * config/pa/pa.c (pa_modes_tieable_p): Make static.
2306         (TARGET_MODES_TIEABLE_P): Redefine.
2307         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
2308         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
2309         (pdp11_modes_tieable_p): New function.
2310         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
2311         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
2312         (rs6000_modes_tieable_p): New function.
2313         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
2314         * config/powerpcspe/powerpcspe.md: Update comment.
2315         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
2316         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
2317         (TARGET_MODES_TIEABLE_P): Redefine.
2318         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
2319         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
2320         (rl78_modes_tieable_p): New function.
2321         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
2322         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
2323         (rs6000_modes_tieable_p): New function.
2324         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
2325         * config/rs6000/rs6000.md: Update comment.
2326         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
2327         * config/rx/rx.c (rx_modes_tieable_p): New function.
2328         (TARGET_MODES_TIEABLE_P): Redefine.
2329         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
2330         * config/s390/s390.c (s390_modes_tieable_p): New function.
2331         (TARGET_MODES_TIEABLE_P): Redefine.
2332         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
2333         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
2334         (sh_modes_tieable_p): New function.
2335         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
2336         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
2337         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
2338         (sparc_modes_tieable_p): Make static.
2339         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
2340         * config/spu/spu.c (spu_modes_tieable_p): New function.
2341         (TARGET_MODES_TIEABLE_P): Redefine.
2342         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
2343         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
2344         (TARGET_MODES_TIEABLE_P): Redefine.
2345         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
2346         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
2347         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
2348         * config/v850/v850.c (v850_modes_tieable_p): New function.
2349         (TARGET_MODES_TIEABLE_P): Redefine.
2350         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
2351         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
2352         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
2353         (visium_modes_tieable_p): New function.
2354         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
2355         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
2356         (xtensa_modes_tieable_p): New function.
2357         * system.h (MODES_TIEABLE_P): Poison.
2358
2359 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2360             Alan Hayward  <alan.hayward@arm.com>
2361             David Sherwood  <david.sherwood@arm.com>
2362
2363         * target.def (hard_regno_mode_ok): New hook.
2364         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
2365         (TARGET_HARD_REGNO_MODE_OK): ...this.
2366         * doc/tm.texi.in: Regenerate.
2367         * hooks.h (hook_bool_uint_mode_true): Declare.
2368         * hooks.c (hook_bool_uint_mode_true): New function.
2369         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
2370         HARD_REGNO_MODE_OK.
2371         * genpreds.c (write_insn_preds_c): Add an include of target.h.
2372         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
2373         instead of HARD_REGNO_MODE_OK.
2374         * caller-save.c: Include target.h.
2375         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
2376         HARD_REGNO_MODE_OK.
2377         * combine.c (can_combine_p): Likewise.
2378         (combinable_i3pat): Likewise.
2379         (can_change_dest_mode): Likewise.
2380         * expr.c (init_expr_target): Likewise.
2381         (convert_move): Likewise.
2382         (convert_modes): Likewise.
2383         * ira.c (setup_prohibited_class_mode_regs): Likewise.
2384         (setup_prohibited_mode_move_regs): Likewise.
2385         * ira.h (target_ira): Likewise.
2386         * lra-assigns.c (find_hard_regno_for_1): Likewise.
2387         * lra-constraints.c (process_alt_operands): Likewise.
2388         (split_reg): Likewise.
2389         * recog.c (peep2_find_free_register): Likewise.
2390         * ree.c (combine_reaching_defs): Likewise.
2391         * regcprop.c (maybe_mode_change): Likewise.
2392         * reginfo.c (init_reg_sets_1): Likewise.
2393         (choose_hard_reg_mode): Likewise.
2394         (simplifiable_subregs): Likewise.
2395         * regrename.c (check_new_reg_p): Likewise.
2396         * reload.c (find_valid_class): Likewise.
2397         (find_valid_class_1): Likewise.
2398         (reload_inner_reg_of_subreg): Likewise.
2399         (push_reload): Likewise.
2400         (combine_reloads): Likewise.
2401         (find_dummy_reload): Likewise.
2402         (find_reloads): Likewise.
2403         * reload1.c (find_reg): Likewise.
2404         (set_reload_reg): Likewise.
2405         (allocate_reload_reg): Likewise.
2406         (choose_reload_regs): Likewise.
2407         (reload_adjust_reg_for_temp): Likewise.
2408         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
2409         (simplify_subreg_regno): Likewise.
2410         * sel-sched.c (init_regs_for_mode): Likewise.
2411         * varasm.c (make_decl_rtl): Likewise.
2412         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
2413         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
2414         HARD_REGNO_MODE_OK.
2415         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
2416         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
2417         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2418         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
2419         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
2420         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2421         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
2422         (arc_mode_class): Delete.
2423         (HARD_REGNO_MODE_OK): Delete.
2424         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2425         (arc_hard_regno_mode_ok): Rename old array to...
2426         (arc_hard_regno_mode_ok_modes): ...this.
2427         (arc_conditional_register_usage): Update accordingly.
2428         (arc_mode_class): Make static.
2429         (arc_hard_regno_mode_ok): New function.
2430         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
2431         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
2432         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2433         (arm_hard_regno_mode_ok): Make static.
2434         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
2435         HARD_REGNO_MODE_OK.
2436         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
2437         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
2438         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
2439         return a bool.
2440         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2441         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
2442         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
2443         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
2444         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
2445         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2446         * config/bfin/predicates.md (valid_reg_operand): Use
2447         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
2448         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
2449         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
2450         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2451         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
2452         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
2453         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2454         (cr16_hard_regno_mode_ok): Make static and return a bool.
2455         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
2456         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2457         (cris_hard_regno_mode_ok): New function.
2458         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
2459         (epiphany_mode_class): Delete.
2460         (HARD_REGNO_MODE_OK): Delete.
2461         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
2462         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2463         (hard_regno_mode_ok): Rename to...
2464         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
2465         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
2466         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
2467         HARD_REGNO_MODE_OK.
2468         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
2469         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
2470         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2471         (frv_hard_regno_mode_ok): Make static and return a bool.
2472         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
2473         HARD_REGNO_MODE_OK.
2474         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
2475         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
2476         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
2477         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
2478         and return a bool.
2479         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2480         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
2481         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
2482         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
2483         return a bool.
2484         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2485         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
2486         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2487         (ia64_hard_regno_mode_ok): New function.
2488         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
2489         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2490         (iq2000_hard_regno_mode_ok): New function.
2491         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
2492         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2493         (lm32_hard_regno_mode_ok): New function.
2494         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
2495         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
2496         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
2497         instead of HARD_REGNO_MODE_OK.
2498         (m32c_hard_regno_ok): Rename to...
2499         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
2500         (m32c_cannot_change_mode_class): Update accordingly.
2501         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2502         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
2503         (m32r_mode_class): Delete.
2504         (HARD_REGNO_MODE_OK): Delete.
2505         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2506         (m32r_hard_regno_mode_ok): Rename to...
2507         (m32r_hard_regno_modes): ...this.
2508         (m32r_mode_class): Make static.
2509         (m32r_hard_regno_mode_ok): New function.
2510         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
2511         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
2512         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2513         (m68k_hard_regno_mode_ok): Make static.
2514         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
2515         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2516         (mcore_hard_regno_mode_ok): New function.
2517         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
2518         (HARD_REGNO_MODE_OK): Delete.
2519         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
2520         Rename to...
2521         (microblaze_hard_regno_mode_ok_p): ...this and make static.
2522         (microblaze_hard_regno_mode_ok): New function.
2523         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2524         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
2525         (mips_hard_regno_mode_ok): Delete.
2526         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
2527         (mips_hard_regno_mode_ok_p): ...this and make static.
2528         (mips_hard_regno_mode_ok_p): Rename to...
2529         (mips_hard_regno_mode_ok_uncached): ...this.
2530         (mips_hard_regno_mode_ok): New function.
2531         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
2532         of HARD_REGNO_MODE_OK.
2533         (mips_option_override): Update after above name changes.
2534         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2535         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
2536         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
2537         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
2538         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
2539         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2540         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
2541         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
2542         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
2543         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2544         (msp430_hard_regno_mode_ok): Make static and return a bool.
2545         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
2546         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
2547         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
2548         and return a bool.
2549         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2550         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
2551         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
2552         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
2553         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
2554         (PA_HARD_REGNO_MODE_OK): ...this
2555         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
2556         (PA_HARD_REGNO_MODE_OK): ...this.
2557         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2558         (pa_hard_regno_mode_ok): New function.
2559         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
2560         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2561         (pdp11_hard_regno_mode_ok): New function.
2562         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
2563         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
2564         Delete.
2565         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
2566         Make static.
2567         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2568         (rs6000_hard_regno_mode_ok): Rename to...
2569         (rs6000_hard_regno_mode_ok_uncached): ...this.
2570         (rs6000_init_hard_regno_mode_ok): Update accordingly.
2571         (rs6000_hard_regno_mode_ok): New function.
2572         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
2573         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
2574         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
2575         (riscv_hard_regno_mode_ok): ...this and make static.
2576         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2577         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
2578         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
2579         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2580         (rl78_hard_regno_mode_ok): Make static and return bool.
2581         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
2582         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
2583         Delete.
2584         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
2585         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2586         (rs6000_hard_regno_mode_ok): Rename to...
2587         (rs6000_hard_regno_mode_ok_uncached): ...this.
2588         (rs6000_init_hard_regno_mode_ok): Update accordingly.
2589         (rs6000_hard_regno_mode_ok): New function.
2590         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
2591         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
2592         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2593         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
2594         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
2595         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
2596         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2597         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
2598         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
2599         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2600         (sh_hard_regno_mode_ok): Make static.
2601         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
2602         instead of HARD_REGNO_MODE_OK.
2603         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
2604         (sparc_mode_class): Delete.
2605         (HARD_REGNO_MODE_OK): Delete.
2606         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2607         (hard_regno_mode_classes): Make static.
2608         (sparc_mode_class): Likewise.
2609         (sparc_hard_regno_mode_ok): New function.
2610         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
2611         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
2612         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
2613         function.
2614         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2615         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
2616         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
2617         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
2618         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
2619         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2620         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
2621         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
2622         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2623         (visium_hard_regno_mode_ok): New function.
2624         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
2625         instead of HARD_REGNO_MODE_OK.
2626         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
2627         (HARD_REGNO_MODE_OK): Delete.
2628         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
2629         (xtensa_hard_regno_mode_ok_p): ...this and make static.
2630         (xtensa_option_override): Update accordingly.
2631         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2632         (xtensa_hard_regno_mode_ok): New function.
2633         * system.h (HARD_REGNO_MODE_OK): Poison.
2634
2635 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2636             Alan Hayward  <alan.hayward@arm.com>
2637             David Sherwood  <david.sherwood@arm.com>
2638
2639         * target.def (hard_regno_call_part_clobbered): New hook.
2640         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
2641         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
2642         * doc/tm.texi: Regenerate.
2643         * hooks.h (hook_bool_uint_mode_false): Declare.
2644         * hooks.c (hook_bool_uint_mode_false): New function.
2645         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2646         * cselib.c (cselib_process_insn): Use
2647         targetm.hard_regno_call_part_clobbered instead of
2648         HARD_REGNO_CALL_PART_CLOBBERED.
2649         * ira-conflicts.c (ira_build_conflicts): Likewise.
2650         * ira-costs.c (ira_tune_allocno_costs): Likewise.
2651         * lra-constraints.c (need_for_call_save_p): Likewise.
2652         * lra-lives.c: Include target.h.
2653         (check_pseudos_live_through_calls): Use
2654         targetm.hard_regno_call_part_clobbered instead of
2655         HARD_REGNO_CALL_PART_CLOBBERED.
2656         * regcprop.c: Include target.h.
2657         (copyprop_hardreg_forward_1): Use
2658         targetm.hard_regno_call_part_clobbered instead of
2659         HARD_REGNO_CALL_PART_CLOBBERED.
2660         * reginfo.c (choose_hard_reg_mode): Likewise.
2661         * regrename.c (check_new_reg_p): Likewise.
2662         * reload.c (find_equiv_reg): Likewise.
2663         * reload1.c (emit_reload_insns): Likewise.
2664         * sched-deps.c (deps_analyze_insn): Likewise.
2665         * sel-sched.c (init_regs_for_mode): Likewise.
2666         (mark_unavailable_hard_regs): Likewise.
2667         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
2668         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2669         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
2670         New function.
2671         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2672         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2673         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
2674         Delete.
2675         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
2676         and return a bool.
2677         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2678         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2679         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
2680         function.
2681         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2682         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2683         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
2684         function.
2685         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2686         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
2687         Delete.
2688         * config/powerpcspe/powerpcspe.c
2689         (rs6000_hard_regno_call_part_clobbered): New function.
2690         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2691         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2692         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
2693         New function.
2694         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2695         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2696         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
2697         function.
2698         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2699         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2700         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
2701
2702 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2703             Alan Hayward  <alan.hayward@arm.com>
2704             David Sherwood  <david.sherwood@arm.com>
2705
2706         * rtl.h (subreg_memory_offset): Declare.
2707         * emit-rtl.c (subreg_memory_offset): New function.
2708         * expmed.c (store_bit_field_1): Use it.
2709         * expr.c (undefined_operand_subword_p): Likewise.
2710         * simplify-rtx.c (simplify_subreg): Likewise.
2711
2712 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
2713
2714         PR rtl-optimization/57448
2715         PR target/67458
2716         PR target/81316
2717         * optabs.c (expand_atomic_load): Place compiler memory barriers if
2718         using atomic_load pattern.
2719         (expand_atomic_store): Likewise.
2720
2721 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
2722
2723         PR sanitizer/81981
2724         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
2725         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
2726         handling.  Use replace_call_with_value with NULL instead of
2727         gsi_replace, unlink_stmt_vdef and release_defs.
2728
2729         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
2730         instead of tab.
2731
2732         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
2733
2734 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2735
2736         PR bootstrap/82045
2737         * rtl.h (emit_library_call_value_1): Declare.
2738         (emit_library_call): Replace declaration with a series of overloads.
2739         Remove the parameter count argument.
2740         (emit_library_call_value): Likewise.
2741         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
2742         with an "rtx_mode_t *".
2743         (emit_library_call_value): Delete.
2744         (emit_library_call): Likewise.
2745         * asan.c (asan_emit_stack_protection): Update calls accordingly.
2746         (asan_emit_allocas_unpoison): Likewise.
2747         * builtins.c (expand_builtin_powi): Likewise.
2748         (expand_asan_emit_allocas_unpoison): Likewise.
2749         * cfgexpand.c (expand_main_function): Likewise.
2750         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
2751         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
2752         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
2753         * config/arm/arm.c (arm_trampoline_init): Likewise.
2754         (arm_call_tls_get_addr): Likewise.
2755         (arm_expand_divmod_libfunc): Likewise.
2756         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
2757         (smulsi3_highpart): Likewise.
2758         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
2759         (c6x_expand_compare): Likewise.
2760         (c6x_expand_movmem): Likewise.
2761         * config/frv/frv.c (frv_trampoline_init): Likewise.
2762         * config/i386/i386.c (ix86_trampoline_init): Likewise.
2763         (ix86_expand_divmod_libfunc): Likewise.
2764         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2765         (ia64_expand_compare): Likewise.
2766         (ia64_profile_hook): Likewise.
2767         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
2768         (nonlocal_goto): Likewise.
2769         (restore_stack_nonlocal): Likewise.
2770         * config/m32r/m32r.c (block_move_call): Likewise.
2771         (m32r_trampoline_init): Likewise.
2772         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
2773         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
2774         (m68k_call_m68k_read_tp): Likewise.
2775         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
2776         (microblaze_expand_divide): Likewise.
2777         * config/mips/mips.h (mips_args): Likewise.
2778         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
2779         (MIPS_ICACHE_SYNC): Likewise.
2780         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
2781         (nios2_trampoline_init): Likewise.
2782         * config/pa/pa.c (hppa_tls_call): Likewise.
2783         (pa_trampoline_init): Likewise.
2784         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
2785         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
2786         (expand_strn_compare): Likewise.
2787         (rs6000_generate_compare): Likewise.
2788         (rs6000_expand_float128_convert): Likewise.
2789         (output_profile_hook): Likewise.
2790         (rs6000_trampoline_init): Likewise.
2791         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
2792         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
2793         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
2794         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2795         (rs6000_generate_compare): Likewise.
2796         (rs6000_expand_float128_convert): Likewise.
2797         (output_profile_hook): Likewise.
2798         (rs6000_trampoline_init): Likewise.
2799         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
2800         * config/sh/sh.c (sh_trampoline_init): Likewise.
2801         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
2802         (sparc_emit_float_lib_cmp): Likewise.
2803         (sparc32_initialize_trampoline): Likewise.
2804         (sparc64_initialize_trampoline): Likewise.
2805         (sparc_profile_hook): Likewise.
2806         * config/spu/spu.c (ea_load_store): Likewise.
2807         * config/spu/spu.md (floatunssidf2): Likewise.
2808         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
2809         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
2810         * config/visium/visium.c (expand_block_move_4): Likewise.
2811         (expand_block_move_2): Likewise.
2812         (expand_block_move_1): Likewise.
2813         (expand_block_set_4): Likewise.
2814         (expand_block_set_2): Likewise.
2815         (expand_block_set_1): Likewise.
2816         (visium_trampoline_init): Likewise.
2817         (visium_profile_hook): Likewise.
2818         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
2819         (xtensa_setup_frame_addresses): Likewise.
2820         (xtensa_trampoline_init): Likewise.
2821         * except.c (sjlj_emit_function_enter): Likewise.
2822         (sjlj_emit_function_exit): Likewise.
2823         * explow.c (allocate_dynamic_stack_space): Likewise.
2824         (probe_stack_range): Likewise.
2825         * expr.c (convert_mode_scalar): Likewise.
2826         * optabs.c (expand_binop): Likewise.
2827         (expand_twoval_binop_libfunc): Likewise.
2828         (expand_unop): Likewise.
2829         (prepare_cmp_insn): Likewise.
2830         (prepare_float_lib_cmp): Likewise.
2831         (expand_float): Likewise.
2832         (expand_fix): Likewise.
2833         (expand_fixed_convert): Likewise.
2834         (maybe_emit_sync_lock_test_and_set): Likewise.
2835         (expand_atomic_compare_and_swap): Likewise.
2836         (expand_mem_thread_fence): Likewise.
2837         (expand_atomic_fetch_op): Likewise.
2838
2839 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
2840
2841         * doc/generic.texi (OpenACC): Adjust URL.
2842         * doc/invoke.texi (C Dialect Options): Ditto.
2843
2844 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
2845
2846         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
2847         predicate for operand 1.  Add (m,<S>) constraint.
2848         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
2849         Prevent memory operand 1 with register operand 2.
2850
2851 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
2852
2853         PR rtl-optimization/82024
2854         * combine.c (try_combine): If the combination result is a PARALLEL,
2855         and we only need to retain the SET in there that would be placed
2856         at I2, check that we can place that at I3 instead, before doing so.
2857
2858 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2859
2860         PR target/81766
2861         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
2862         instead of void.
2863         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
2864         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
2865         and label.
2866
2867 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
2868             Jeff Law  <law@redhat.com>
2869
2870         * varasm.c (bss_initializer_p): Do not put constants into .bss
2871         (categorize_decl_for_section): Handle bss_initializer_p returning
2872         false when DECL_INITIAL is NULL.
2873
2874 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2875
2876         PR target/82012
2877         * config/s390/s390.c (s390_can_inline_p): New function.
2878
2879 2017-09-01  Jeff Law  <law@redhat.com>
2880
2881         PR tree-optimization/82052
2882         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
2883         Always initialize the returned slot after a hash table miss
2884         when INSERT is true.
2885
2886 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
2887
2888         * config/s390/s390.md (mem_signal_fence): Remove.
2889         * doc/md.texi (mem_signal_fence): Remove.
2890         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
2891         Update comments.
2892         * target-insns.def (mem_signal_fence): Remove.
2893
2894 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2895
2896         PR sanitizer/81902
2897         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
2898
2899         PR sanitizer/81923
2900         * asan.c (create_odr_indicator): Strip name encoding from assembler
2901         name before appending it after __odr_asan_.
2902
2903 2017-09-01  Martin Liska  <mliska@suse.cz>
2904
2905         PR tree-optimization/82059
2906         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
2907         frequency only when an edge is redirected.
2908
2909 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2910
2911         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
2912         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
2913         (arc_conditional_register_usage): Remove ARC600 lp_count
2914         exception.
2915         (arc_file_start): Emit Tag_ARC_CPU_variation.
2916         (arc_can_use_doloop_p): New conditions to use ZOLs.
2917         (hwloop_fail): New function.
2918         (hwloop_optimize): Likewise.
2919         (hwloop_pattern_reg): Likewise.
2920         (arc_doloop_hooks): New struct, to be used with reorg_loops.
2921         (arc_reorg_loops): New function, calls reorg_loops.
2922         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
2923         (arc600_corereg_hazard): Remove ZOL checking, case handled by
2924         hwloop_optimize.
2925         (arc_loop_hazard): Remove function, functionality moved into
2926         hwloop_optimize.
2927         (arc_hazard): Remove arc_loop_hazard call.
2928         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
2929         into hwloop_optimize.
2930         (arc_label_align): Remove ZOL handling.
2931         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
2932         * config/arc/arc.md (doloop_begin): Remove pattern.
2933         (doloop_begin_i): Likewise.
2934         (doloop_end_i): Likewise.
2935         (doloop_fallback): Likewise.
2936         (doloop_fallback_m): Likewise.
2937         (doloop_end): Reimplement expand.
2938         (arc_lp): New pattern for LP instruction.
2939         (loop_end): New pattern.
2940         (loop_fail): Likewise.
2941         (decrement_and_branch_until_zero): Likewise.
2942         * config/arc/arc.opt (mlpc-width): New option.
2943         * doc/invoke.texi (mlpc-width): Document option.
2944
2945 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2946
2947         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
2948         (arc_ccfsm_advance): Fix checking for delay slots.
2949         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
2950
2951 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2952
2953         * config/arc/arc.md (movqi_insn): Add stores to save constant long
2954         immediates.
2955         (movhi_insn): Update store instruction constraint which are saving
2956         6-bit short immediates.
2957         (movsi_insn): Consider also short scaled load operations.
2958         (zero_extendhisi2_i): Use Usd constraint instead of T.
2959         (extendhisi2_i): Add q constraint.
2960         (arc_clzsi2): Add type and length attributes.
2961         (arc_ctzsi2): Likewise.
2962         * config/arc/constraints.md (Usc): Update constraint, the
2963         assembler can parse two relocations for a single instruction.
2964
2965 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2966
2967         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
2968         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
2969
2970 2017-08-31  Olivier Hainque  <hainque@adacore.com>
2971
2972         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
2973         match as powerpc-wrs-vxworks*.
2974
2975 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
2976
2977         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
2978         register constraint for by-element operand.
2979         (aarch64_mls_elt_merge<mode>): Likewise.
2980
2981 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2982
2983         * config/arc/arc.c (arc_can_follow_jump): Check for short
2984         branches.
2985
2986 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2987
2988         * config.gcc: Use g.opt for arc.
2989         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
2990         functionality moved to ...
2991         (legitimate_scaled_address_p): New function, ...here.
2992         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
2993         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
2994         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
2995         condition.
2996         (arc_override_options): Handle G option.
2997         (arc_output_pic_addr_const): Correct function definition.
2998         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
2999         (arc_decl_anon_ns_mem_p): Delete.
3000         (arc_in_small_data_p): Overhaul this function to take into
3001         consideration the value given via G option.
3002         (arc_rewrite_small_data_1): Renamed and corrected old
3003         arc_rewrite_small_data function.
3004         (arc_rewrite_small_data): New function.
3005         (small_data_pattern): Don't use pic_offset_table_rtx.
3006         * config/arc/arc.h (CC1_SPEC): Recognize G option.
3007         * config/arc/simdext.md (movmisalignv2hi): Use
3008         prepare_move_operands function.
3009         (mov*): Likewise.
3010         (movmisalign*): Likewise.
3011         * doc/invoke.texi (ARC options): Document -G option.
3012
3013 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
3014
3015         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
3016         prototype.
3017         * config/arc/arc.c (arc_print_operand): Output scalled address for
3018         sdata whenever is possible.
3019         (arc_in_small_data_p): Allow sdata for 64bit datum when double
3020         load/stores are available.
3021         (compact_sda_memory_operand): Check for the alignment required by
3022         code density instructions.
3023         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
3024         constraint.
3025         * config/arc/constraints.md (Usd): Update constraint.
3026         (Us0): New constraint.
3027         (Usc): Update constraint.
3028
3029 2017-08-31  Richard Biener  <rguenther@suse.de>
3030
3031         PR middle-end/82054
3032         * dwarf2out.c (dwarf2out_early_global_decl): Process each
3033         function only once.
3034
3035 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
3036
3037         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
3038         Resize type_signature.
3039
3040 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
3041             Alan Hayward  <alan.hayward@arm.com>
3042             David Sherwood  <david.sherwood@arm.com>
3043
3044         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
3045         subregs whose inner modes can be stored in GPRs.
3046         (aarch64_classify_index): Likewise.
3047
3048 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
3049             Alan Hayward  <alan.hayward@arm.com>
3050             David Sherwood  <david.sherwood@arm.com>
3051
3052         * config/aarch64/iterators.md (V_cmp_result): Rename to...
3053         (V_INT_EQUIV): ...this.
3054         (v_cmp_result): Rename to...
3055         (v_int_equiv): ...this.
3056         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
3057         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
3058         (copysign<mode>3): Likewise.
3059         (aarch64_simd_bsl<mode>_internal): Likewise.
3060         (aarch64_simd_bsl<mode>): Likewise.
3061         (vec_cmp<mode><mode>): Likewise.
3062         (vcond<mode><mode>): Likewise.
3063         (vcond<v_cmp_mixed><mode>): Likewise.
3064         (vcondu<mode><v_cmp_mixed>): Likewise.
3065         (aarch64_cm<optab><mode>): Likewise.
3066         (aarch64_cmtst<mode>): Likewise.
3067         (aarch64_fac<optab><mode>): Likewise.
3068         (vec_perm_const<mode>): Likewise.
3069         (vcond_mask_<mode><v_cmp_result>): Rename to...
3070         (vcond_mask_<mode><v_int_equiv>): ...this.
3071         (vec_cmp<mode><v_cmp_result>): Rename to...
3072         (vec_cmp<mode><v_int_equiv>): ...this.
3073
3074 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
3075             Alan Hayward  <alan.hayward@arm.com>
3076             David Sherwood  <david.sherwood@arm.com>
3077
3078         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
3079         vector modes.
3080         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
3081         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
3082         (UNSPEC_LD4_DREG): New unspecs.
3083         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
3084         (aarch64_ld2<mode>_dreg_be): Replace with...
3085         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
3086         unspec.
3087         (aarch64_ld3<mode>_dreg_le)
3088         (aarch64_ld3<mode>_dreg_be): Replace with...
3089         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
3090         unspec.
3091         (aarch64_ld4<mode>_dreg_le)
3092         (aarch64_ld4<mode>_dreg_be): Replace with...
3093         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
3094         unspec.
3095
3096 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3097
3098         PR tree-optimization/81987
3099         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
3100         insert an initializer in a location not dominated by the stride
3101         definition.
3102
3103 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
3104
3105         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
3106         on the entire header of the finally block in the fallthru case.
3107
3108 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
3109
3110         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
3111
3112 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
3113
3114         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
3115         rs6000_emit_move_from_cr and call renamed function.
3116         (rs6000_emit_prologue): Call renamed functions.
3117         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
3118         movesi_from_cr, remove volatile CRs.
3119
3120 2017-08-30  Jon Beniston  <jon@beniston.com>
3121             Richard Biener  <rguenther@suse.de>
3122
3123         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
3124         of VECTOR_MODE_P check.
3125         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
3126         element vector types.
3127
3128 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3129
3130         * df.h (df_read_modify_subreg_p): Remove in favor of...
3131         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
3132         const_rtx instead of an rtx.
3133         * cprop.c (local_cprop_find_used_regs): Update accordingly.
3134         * df-problems.c (df_word_lr_mark_ref): Likewise.
3135         * ira-lives.c (mark_pseudo_reg_live): Likewise.
3136         (mark_pseudo_reg_dead): Likewise.
3137         (mark_ref_dead): Likewise.
3138         * reginfo.c (init_subregs_of_mode): Likewise.
3139         * sched-deps.c (sched_analyze_1): Likewise.
3140         * df-scan.c (df_def_record_1): Likewise.
3141         (df_uses_record): Likewise.
3142         (df_read_modify_subreg_p): Remove in favor of...
3143         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
3144         const_rtx instead of an rtx.
3145
3146 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3147             Alan Hayward  <alan.hayward@arm.com>
3148             David Sherwood  <david.sherwood@arm.com>
3149
3150         * rtl.h (partial_subreg_p): New function.
3151         * caller-save.c (save_call_clobbered_regs): Use it.
3152         * calls.c (expand_call): Likewise.
3153         * combine.c (combinable_i3pat): Likewise.
3154         (simplify_set): Likewise.
3155         (make_extraction): Likewise.
3156         (make_compound_operation_int): Likewise.
3157         (gen_lowpart_or_truncate): Likewise.
3158         (force_to_mode): Likewise.
3159         (make_field_assignment): Likewise.
3160         (reg_truncated_to_mode): Likewise.
3161         (record_truncated_value): Likewise.
3162         (move_deaths): Likewise.
3163         * cse.c (record_jump_cond): Likewise.
3164         (cse_insn): Likewise.
3165         * cselib.c (cselib_lookup_1): Likewise.
3166         * expmed.c (extract_bit_field_using_extv): Likewise.
3167         * function.c (assign_parm_setup_reg): Likewise.
3168         * ifcvt.c (noce_convert_multiple_sets): Likewise.
3169         * ira-build.c (create_insn_allocnos): Likewise.
3170         * lra-coalesce.c (merge_pseudos): Likewise.
3171         * lra-constraints.c (match_reload): Likewise.
3172         (simplify_operand_subreg): Likewise.
3173         (curr_insn_transform): Likewise.
3174         * lra-lives.c (process_bb_lives): Likewise.
3175         * lra.c (new_insn_reg): Likewise.
3176         (lra_substitute_pseudo): Likewise.
3177         * regcprop.c (mode_change_ok): Likewise.
3178         (maybe_mode_change): Likewise.
3179         (copyprop_hardreg_forward_1): Likewise.
3180         * reload.c (push_reload): Likewise.
3181         (find_reloads): Likewise.
3182         (find_reloads_subreg_address): Likewise.
3183         * reload1.c (alter_reg): Likewise.
3184         (eliminate_regs_1): Likewise.
3185         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3186
3187 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
3188
3189         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
3190         back to if statements, including unpack.
3191
3192 2017-08-30  Martin Liska  <mliska@suse.cz>
3193
3194         PR inline-asm/82001
3195         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
3196         Rename to ...
3197         (func_checker::compare_asm_inputs_outputs): ... this function.
3198         (func_checker::compare_gimple_asm): Use the function to compare
3199         also ASM constrains.
3200         * ipa-icf-gimple.h: Rename the function.
3201
3202 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3203             Alan Hayward  <alan.hayward@arm.com>
3204             David Sherwood  <david.sherwood@arm.com>
3205
3206         * coretypes.h (complex_mode): New type.
3207         * gdbhooks.py (build_pretty_printer): Handle it.
3208         * machmode.h (complex_mode): New class.
3209         (complex_mode::includes_p): New function.
3210         (is_complex_int_mode): Likewise.
3211         (is_complex_float_mode): Likewise.
3212         * genmodes.c (get_mode_class): Handle complex mode classes.
3213         * function.c (expand_function_end): Use is_complex_int_mode.
3214
3215 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3216             Alan Hayward  <alan.hayward@arm.com>
3217             David Sherwood  <david.sherwood@arm.com>
3218
3219         * coretypes.h (scalar_mode_pod): New typedef.
3220         * gdbhooks.py (build_pretty_printer): Handle it.
3221         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
3222         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
3223         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
3224         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
3225         as_a <scalar_mode>.
3226
3227 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3228             Alan Hayward  <alan.hayward@arm.com>
3229             David Sherwood  <david.sherwood@arm.com>
3230
3231         * machmode.h (mode_for_vector): Take a scalar_mode instead
3232         of a machine_mode.
3233         * stor-layout.c (mode_for_vector): Likewise.
3234         * explow.c (promote_mode): Use as_a <scalar_mode>.
3235         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
3236
3237 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3238             Alan Hayward  <alan.hayward@arm.com>
3239             David Sherwood  <david.sherwood@arm.com>
3240
3241         * target.def (preferred_simd_mode): Take a scalar_mode
3242         instead of a machine_mode.
3243         * targhooks.h (default_preferred_simd_mode): Likewise.
3244         * targhooks.c (default_preferred_simd_mode): Likewise.
3245         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
3246         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
3247         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
3248         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
3249         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
3250         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
3251         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
3252         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
3253         Likewise.
3254         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
3255         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
3256         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
3257         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
3258         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
3259         * doc/tm.texi: Regenerate.
3260         * optabs-query.c (can_vec_mask_load_store_p): Return false for
3261         non-scalar modes.
3262
3263 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3264             Alan Hayward  <alan.hayward@arm.com>
3265             David Sherwood  <david.sherwood@arm.com>
3266
3267         * target.def (scalar_mode_supported_p): Take a scalar_mode
3268         instead of a machine_mode.
3269         * targhooks.h (default_scalar_mode_supported_p): Likewise.
3270         * targhooks.c (default_scalar_mode_supported_p): Likewise.
3271         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
3272         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
3273         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
3274         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
3275         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
3276         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
3277         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
3278         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
3279         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
3280         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
3281         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
3282         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
3283         Likewise.
3284         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
3285         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
3286         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
3287         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
3288         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
3289         Likewise.
3290         * doc/tm.texi: Regenerate.
3291
3292 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3293             Alan Hayward  <alan.hayward@arm.com>
3294             David Sherwood  <david.sherwood@arm.com>
3295
3296         * coretypes.h (opt_scalar_mode): New typedef.
3297         * gdbhooks.py (build_pretty_printers): Handle it.
3298         * machmode.h (mode_iterator::get_2xwider): Add overload for
3299         opt_mode<T>.
3300         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
3301         over scalar modes.
3302         * expr.c (convert_mode_scalar): Likewise.
3303         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3304         * optabs.c (expand_float): Likewise.
3305         (expand_fix): Likewise.
3306         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3307
3308 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3309             Alan Hayward  <alan.hayward@arm.com>
3310             David Sherwood  <david.sherwood@arm.com>
3311
3312         * optabs.c (expand_float): Explicitly check for scalars before
3313         using a branching expansion.
3314         (expand_fix): Likewise.
3315
3316 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3317             Alan Hayward  <alan.hayward@arm.com>
3318             David Sherwood  <david.sherwood@arm.com>
3319
3320         * expr.c (convert_mode): Split scalar handling out into...
3321         (convert_mode_scalar): ...this new function.  Treat the modes
3322         as scalar_modes.
3323
3324 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3325             Alan Hayward  <alan.hayward@arm.com>
3326             David Sherwood  <david.sherwood@arm.com>
3327
3328         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
3329         and scalar_mode.
3330         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
3331
3332 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3333             Alan Hayward  <alan.hayward@arm.com>
3334             David Sherwood  <david.sherwood@arm.com>
3335
3336         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
3337         rather than a machine_mode.
3338         (fixed_from_string): Likewise.
3339         (fixed_convert): Likewise.
3340         (fixed_convert_from_int): Likewise.
3341         (fixed_convert_from_real): Likewise.
3342         (real_convert_from_fixed): Likewise.
3343         * fixed-value.c (fixed_from_double_int): Likewise.
3344         (fixed_from_string): Likewise.
3345         (fixed_convert): Likewise.
3346         (fixed_convert_from_int): Likewise.
3347         (fixed_convert_from_real): Likewise.
3348         (real_convert_from_fixed): Likewise.
3349         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
3350
3351 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3352             Alan Hayward  <alan.hayward@arm.com>
3353             David Sherwood  <david.sherwood@arm.com>
3354
3355         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
3356         of separate mode class checks.  Do not allow vector modes here.
3357         (immed_wide_int_const): Use as_a <scalar_mode>.
3358         * explow.c (trunc_int_for_mode): Likewise.
3359         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
3360         (wi::shwi): Likewise.
3361         (wi::min_value): Likewise.
3362         (wi::max_value): Likewise.
3363         * dwarf2out.c (loc_descriptor): Likewise.
3364         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
3365         for CONST_WIDE_INT.
3366
3367 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3368             Alan Hayward  <alan.hayward@arm.com>
3369             David Sherwood  <david.sherwood@arm.com>
3370
3371         * tree.h (SCALAR_TYPE_MODE): New macro.
3372         * expr.c (expand_expr_addr_expr_1): Use it.
3373         (expand_expr_real_2): Likewise.
3374         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
3375         (fold_convert_const_fixed_from_int): Likewise.
3376         (fold_convert_const_fixed_from_real): Likewise.
3377         (native_encode_fixed): Likewise
3378         (native_encode_complex): Likewise
3379         (native_encode_vector): Likewise.
3380         (native_interpret_fixed): Likewise.
3381         (native_interpret_real): Likewise.
3382         (native_interpret_complex): Likewise.
3383         (native_interpret_vector): Likewise.
3384         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
3385         (simd_clone_adjust_argument_types): Likewise.
3386         (simd_clone_init_simd_arrays): Likewise.
3387         (simd_clone_adjust): Likewise.
3388         * stor-layout.c (layout_type): Likewise.
3389         * tree.c (build_minus_one_cst): Likewise.
3390         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
3391         * tree-inline.c (estimate_move_cost): Likewise.
3392         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
3393         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
3394         (vectorizable_reduction): Likewise.
3395         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
3396         (vect_recog_mixed_size_cond_pattern): Likewise.
3397         (check_bool_pattern): Likewise.
3398         (adjust_bool_pattern): Likewise.
3399         (search_type_for_mask_1): Likewise.
3400         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
3401         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3402         (vectorizable_load): Likewise.
3403         (vectorizable_store): Likewise.
3404         * ubsan.c (ubsan_encode_value): Likewise.
3405         * varasm.c (output_constant): Likewise.
3406
3407 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3408             Alan Hayward  <alan.hayward@arm.com>
3409             David Sherwood  <david.sherwood@arm.com>
3410
3411         * coretypes.h (scalar_mode): New class.
3412         * machmode.h (scalar_mode): Likewise.
3413         (scalar_mode::includes_p): New function.
3414         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
3415         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
3416         * genmodes.c (get_mode_class): Handle remaining scalar modes.
3417         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
3418         * expmed.c (store_bit_field_1): Likewise.
3419         (extract_bit_field_1): Likewise.
3420         * expr.c (write_complex_part): Likewise.
3421         (read_complex_part): Likewise.
3422         (emit_move_complex_push): Likewise.
3423         (expand_expr_real_2): Likewise.
3424         * function.c (assign_parm_setup_reg): Likewise.
3425         (assign_parms_unsplit_complex): Likewise.
3426         * optabs.c (expand_binop): Likewise.
3427         * rtlanal.c (subreg_get_info): Likewise.
3428         * simplify-rtx.c (simplify_immed_subreg): Likewise.
3429         * varasm.c (output_constant_pool_2): Likewise.
3430
3431 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3432             Alan Hayward  <alan.hayward@arm.com>
3433             David Sherwood  <david.sherwood@arm.com>
3434
3435         * expmed.c (extract_high_half): Use scalar_int_mode and remove
3436         assertion.
3437         (expmed_mult_highpart_optab): Likewise.
3438         (expmed_mult_highpart): Likewise.
3439
3440 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3441             Alan Hayward  <alan.hayward@arm.com>
3442             David Sherwood  <david.sherwood@arm.com>
3443
3444         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
3445         instead of a machine_mode.
3446         (builtin_memset_read_str): Likewise.
3447         * builtins.c (c_readstr): Likewise.
3448         (builtin_memcpy_read_str): Likewise.
3449         (builtin_strncpy_read_str): Likewise.
3450         (builtin_memset_read_str): Likewise.
3451         (builtin_memset_gen_str): Likewise.
3452         (expand_builtin_signbit): Use scalar_int_mode for local variables.
3453         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
3454         instead of a machine_mode.
3455         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
3456         variables.
3457         (make_extraction): Likewise.
3458         (try_widen_shift_mode): Take and return scalar_int_modes instead
3459         of machine_modes.
3460         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
3461         a scalar_int_mode instead of a machine_mode.
3462         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
3463         (avr_addr_space_pointer_mode): Likewise.
3464         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
3465         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
3466         (msp430_unwind_word_mode): Likewise.
3467         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
3468         (spu_addr_space_pointer_mode): Likewise.
3469         (spu_addr_space_address_mode): Likewise.
3470         (spu_libgcc_cmp_return_mode): Likewise.
3471         (spu_libgcc_shift_count_mode): Likewise.
3472         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
3473         (rl78_addr_space_pointer_mode): Likewise.
3474         (fl78_unwind_word_mode): Likewise.
3475         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
3476         machine_mode.
3477         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
3478         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
3479         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
3480         (mips_valid_pointer_mode): Likewise.
3481         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
3482         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
3483         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
3484         of a machine_mode.
3485         (ft32_addr_space_address_mode): Likewise.
3486         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
3487         scalar_int_mode instead of a machine_mode.
3488         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
3489         of a machine_mode.
3490         (m32c_addr_space_address_mode): Likewise.
3491         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
3492         (rs6000_eh_return_filter_mode): Likewise.
3493         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
3494         (rs6000_eh_return_filter_mode): Likewise.
3495         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
3496         (s390_libgcc_shift_count_mode): Likewise.
3497         (s390_unwind_word_mode): Likewise.
3498         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
3499         machine_mode.
3500         * target.def (mode_rep_extended): Likewise.
3501         (valid_pointer_mode): Likewise.
3502         (addr_space.valid_pointer_mode): Likewise.
3503         (eh_return_filter_mode): Return a scalar_int_mode rather than
3504         a machine_mode.
3505         (libgcc_cmp_return_mode): Likewise.
3506         (libgcc_shift_count_mode): Likewise.
3507         (unwind_word_mode): Likewise.
3508         (addr_space.pointer_mode): Likewise.
3509         (addr_space.address_mode): Likewise.
3510         * doc/tm.texi: Regenerate.
3511         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
3512         a machine_mode.
3513         (do_jump): Use scalar_int_mode for local variables.
3514         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
3515         rather than a machine_mode.
3516         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
3517         (scompare_loc_descriptor_wide): Likewise.
3518         (scompare_loc_descriptor_narrow): Likewise.
3519         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
3520         variables.
3521         * except.c (sjlj_emit_dispatch_table): Likewise.
3522         (expand_builtin_eh_copy_values): Likewise.
3523         * explow.c (convert_memory_address_addr_space_1): Likewise.
3524         Take a scalar_int_mode rather than a machine_mode.
3525         (convert_memory_address_addr_space): Take a scalar_int_mode rather
3526         than a machine_mode.
3527         (memory_address_addr_space): Use scalar_int_mode for local variables.
3528         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
3529         rather than a machine_mode.
3530         * expmed.c (mask_rtx): Likewise.
3531         (init_expmed_one_conv): Likewise.
3532         (expand_mult_highpart_adjust): Likewise.
3533         (extract_high_half): Likewise.
3534         (expmed_mult_highpart_optab): Likewise.
3535         (expmed_mult_highpart): Likewise.
3536         (expand_smod_pow2): Likewise.
3537         (expand_sdiv_pow2): Likewise.
3538         (emit_store_flag_int): Likewise.
3539         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
3540         variables.
3541         (extract_low_bits): Likewise.
3542         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
3543         a machine_mode.
3544         * expr.c (pieces_addr::adjust):  Likewise.
3545         (can_store_by_pieces): Likewise.
3546         (store_by_pieces): Likewise.
3547         (clear_by_pieces_1): Likewise.
3548         (expand_expr_addr_expr_1): Likewise.
3549         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
3550         (expand_expr_real_1): Likewise.
3551         (try_casesi): Likewise.
3552         * final.c (shorten_branches): Likewise.
3553         * fold-const.c (fold_convert_const_int_from_fixed): Change the
3554         type of "mode" to machine_mode.
3555         * internal-fn.c (expand_arith_overflow_result_store): Take a
3556         scalar_int_mode rather than a machine_mode.
3557         (expand_mul_overflow): Use scalar_int_mode for local variables.
3558         * loop-doloop.c (doloop_modify): Likewise.
3559         (doloop_optimize): Likewise.
3560         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
3561         than a machine_mode.
3562         (expand_doubleword_shift_condmove): Likewise.
3563         (expand_doubleword_shift): Likewise.
3564         (expand_doubleword_clz): Likewise.
3565         (expand_doubleword_popcount): Likewise.
3566         (expand_doubleword_parity): Likewise.
3567         (expand_absneg_bit): Use scalar_int_mode for local variables.
3568         (prepare_float_lib_cmp): Likewise.
3569         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
3570         rather than a machine_mode.
3571         (convert_memory_address_addr_space): Likewise.
3572         (get_mode_bounds): Likewise.
3573         (get_address_mode): Return a scalar_int_mode rather than a
3574         machine_mode.
3575         * rtlanal.c (get_address_mode): Likewise.
3576         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
3577         than a machine_mode.
3578         * targhooks.c (default_mode_rep_extended): Likewise.
3579         (default_valid_pointer_mode): Likewise.
3580         (default_addr_space_valid_pointer_mode): Likewise.
3581         (default_eh_return_filter_mode): Return a scalar_int_mode rather
3582         than a machine_mode.
3583         (default_libgcc_cmp_return_mode): Likewise.
3584         (default_libgcc_shift_count_mode): Likewise.
3585         (default_unwind_word_mode): Likewise.
3586         (default_addr_space_pointer_mode): Likewise.
3587         (default_addr_space_address_mode): Likewise.
3588         * targhooks.h (default_eh_return_filter_mode): Likewise.
3589         (default_libgcc_cmp_return_mode): Likewise.
3590         (default_libgcc_shift_count_mode): Likewise.
3591         (default_unwind_word_mode): Likewise.
3592         (default_addr_space_pointer_mode): Likewise.
3593         (default_addr_space_address_mode): Likewise.
3594         (default_mode_rep_extended): Take a scalar_int_mode rather than
3595         a machine_mode.
3596         (default_valid_pointer_mode): Likewise.
3597         (default_addr_space_valid_pointer_mode): Likewise.
3598         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
3599         local variables.
3600         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
3601         rather than a machine_mode.
3602         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
3603         for local variables.
3604         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3605         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
3606         than a machine_mode.
3607
3608 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3609             Alan Hayward  <alan.hayward@arm.com>
3610             David Sherwood  <david.sherwood@arm.com>
3611
3612         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
3613         the mode argument to scalar_int_mode.
3614         (do_jump_by_parts_zero_rtx): Likewise.
3615         (do_jump_by_parts_equality_rtx): Likewise.
3616         (do_jump_by_parts_greater): Take a mode argument.
3617         (do_jump_by_parts_equality): Likewise.
3618         (do_jump_1): Update calls accordingly.
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         * is-a.h (safe_dyn_cast): New function.
3625         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
3626         (jump_table_for_label): Likewise.
3627         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
3628         instead of an rtx_insn *.
3629         (shorten_branches): Use dyn_cast instead of LABEL_P and
3630         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
3631         rtx_jump_table_data::get_data_mode.
3632         (final_scan_insn): Likewise.
3633
3634 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3635             Alan Hayward  <alan.hayward@arm.com>
3636             David Sherwood  <david.sherwood@arm.com>
3637
3638         * combine.c (try_combine): Use is_a <scalar_int_mode> when
3639         trying to combine a full-register integer set with a subreg
3640         integer set.
3641
3642 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3643             Alan Hayward  <alan.hayward@arm.com>
3644             David Sherwood  <david.sherwood@arm.com>
3645
3646         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
3647         that is always either address_mode or pointer_mode.
3648
3649 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3650             Alan Hayward  <alan.hayward@arm.com>
3651             David Sherwood  <david.sherwood@arm.com>
3652
3653         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
3654         when the two are known to be equal.
3655
3656 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3657             Alan Hayward  <alan.hayward@arm.com>
3658             David Sherwood  <david.sherwood@arm.com>
3659
3660         * simplify-rtx.c (simplify_const_unary_operation): Use
3661         is_a <scalar_int_mode> instead of checking for a nonzero
3662         precision.  Forcibly convert op_mode to a scalar_int_mode
3663         in that case.  More clearly differentiate the operand and
3664         result modes and use the former when deciding what the value
3665         of a count-bits operation should be.  Use is_int_mode instead
3666         of checking for a MODE_INT.  Remove redundant check for whether
3667         this mode has a zero precision.
3668
3669 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3670             Alan Hayward  <alan.hayward@arm.com>
3671             David Sherwood  <david.sherwood@arm.com>
3672
3673         * optabs.c (widen_leading): Change the type of the mode argument
3674         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
3675         (widen_bswap): Likewise.
3676         (expand_parity): Likewise.
3677         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
3678         (expand_ffs): Likewise.
3679         (epand_unop): Check for scalar integer modes before calling the
3680         above routines.
3681
3682 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3683             Alan Hayward  <alan.hayward@arm.com>
3684             David Sherwood  <david.sherwood@arm.com>
3685
3686         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
3687         Expand commentary.
3688         (expand_expr_real_1): Update call accordingly.
3689
3690 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3691             Alan Hayward  <alan.hayward@arm.com>
3692             David Sherwood  <david.sherwood@arm.com>
3693
3694         * expmed.c (store_bit_field_using_insv): Add op0_mode and
3695         value_mode arguments.  Use scalar_int_mode internally.
3696         (store_bit_field_1): Rename the new integer mode from imode
3697         to op0_mode and use it instead of GET_MODE (op0).  Update calls
3698         to store_split_bit_field, store_bit_field_using_insv and
3699         store_fixed_bit_field.
3700         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
3701         Use scalar_int_mode internally.  Use a bit count rather than a mode
3702         when calculating the largest bit size for get_best_mode.
3703         Update calls to store_split_bit_field and store_fixed_bit_field_1.
3704         (store_fixed_bit_field_1): Add mode and value_mode arguments.
3705         Remove assertion that OP0 has a scalar integer mode.
3706         (store_split_bit_field): Add op0_mode and value_mode arguments.
3707         Update calls to extract_fixed_bit_field.
3708         (extract_bit_field_using_extv): Add an op0_mode argument.
3709         Use scalar_int_mode internally.
3710         (extract_bit_field_1): Rename the new integer mode from imode to
3711         op0_mode and use it instead of GET_MODE (op0).  Update calls to
3712         extract_split_bit_field, extract_bit_field_using_extv and
3713         extract_fixed_bit_field.
3714         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
3715         to extract_split_bit_field and extract_fixed_bit_field_1.
3716         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
3717         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
3718         on the target mode.
3719         (extract_split_bit_field): Add an op0_mode argument.  Update call
3720         to extract_fixed_bit_field.
3721
3722 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3723             Alan Hayward  <alan.hayward@arm.com>
3724             David Sherwood  <david.sherwood@arm.com>
3725
3726         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
3727         * explow.c (hard_function_value): Likewise.
3728         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
3729         convert_to_mode call outside the loop.
3730         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
3731         for the mode iterator.  Require the mode specified by max_pieces
3732         to exist.
3733         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
3734         mode iterator.
3735         (copy_blkmode_to_reg): Likewise.
3736         (set_storage_via_setmem): Likewise.
3737         * optabs.c (prepare_cmp_insn): Likewise.
3738         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3739         * stor-layout.c (finish_bitfield_representative): Likewise.
3740
3741 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3742             Alan Hayward  <alan.hayward@arm.com>
3743             David Sherwood  <david.sherwood@arm.com>
3744
3745         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
3746         * expr.c (convert_move): Use them.
3747         (convert_modes): Likewise.
3748         (store_expr_with_bounds): Likewise.
3749
3750 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3751             Alan Hayward  <alan.hayward@arm.com>
3752             David Sherwood  <david.sherwood@arm.com>
3753
3754         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
3755         parameter for the mode of "x".  Remove the "known_x", "known_mode"
3756         and "known_ret" arguments.  Change the type of the mode argument
3757         to scalar_int_mode.
3758         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
3759         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
3760         (reg_num_sign_bit_copies_for_combine): Likewise.
3761         * rtlanal.c (nonzero_bits1): Likewise.
3762         (num_sign_bit_copies1): Likewise.
3763         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
3764         (reg_num_sign_bit_copies_general): Likewise.
3765         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
3766         (reg_nonzero_bits_general): Likewise.
3767
3768 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3769             Alan Hayward  <alan.hayward@arm.com>
3770             David Sherwood  <david.sherwood@arm.com>
3771
3772         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
3773         than in subroutines.  Return 1 for non-integer modes.
3774         (cached_num_sign_bit_copies): Change the type of the mode parameter
3775         to scalar_int_mode.
3776         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
3777         classes.  Handle CONST_INT_P first and then check whether X also
3778         has a scalar integer mode.  Check the same thing for inner registers
3779         of a SUBREG and for values that are being extended or truncated.
3780
3781 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3782             Alan Hayward  <alan.hayward@arm.com>
3783             David Sherwood  <david.sherwood@arm.com>
3784
3785         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
3786         in subroutines.  Return the mode mask for non-integer modes.
3787         (cached_nonzero_bits): Change the type of the mode parameter
3788         to scalar_int_mode.
3789         (nonzero_bits1): Likewise.  Remove early exit for other mode
3790         classes.  Handle CONST_INT_P first and then check whether X
3791         also has a scalar integer mode.
3792
3793 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3794             Alan Hayward  <alan.hayward@arm.com>
3795             David Sherwood  <david.sherwood@arm.com>
3796
3797         * expr.c (widest_int_mode_for_size): Make the comment match the code.
3798         Return a scalar_int_mode and assert that the size is greater than
3799         one byte.
3800         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
3801         (op_by_pieces_d::op_by_pieces_d): Likewise.
3802         (op_by_pieces_d::run): Likewise.
3803         (can_store_by_pieces): Likewise.
3804
3805 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3806             Alan Hayward  <alan.hayward@arm.com>
3807             David Sherwood  <david.sherwood@arm.com>
3808
3809         * combine.c (extract_left_shift): Add a mode argument and update
3810         recursive calls.
3811         (make_compound_operation_int): Change the type of the mode parameter
3812         to scalar_int_mode and update the call to extract_left_shift.
3813
3814 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3815             Alan Hayward  <alan.hayward@arm.com>
3816             David Sherwood  <david.sherwood@arm.com>
3817
3818         * combine.c (simplify_and_const_int): Change the type of the mode
3819         parameter to scalar_int_mode.
3820         (simplify_and_const_int_1): Likewise.  Update recursive call.
3821
3822 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3823             Alan Hayward  <alan.hayward@arm.com>
3824             David Sherwood  <david.sherwood@arm.com>
3825
3826         * combine.c (simplify_compare_const): Check that the mode is a
3827         scalar_int_mode (rather than VOIDmode) before testing its
3828         precision.
3829         (simplify_comparison): Move COMPARISON_P handling out of the
3830         loop and restrict the latter part of the loop to scalar_int_modes.
3831         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
3832         and when considering SUBREG_REGs.  Use is_int_mode instead of
3833         checking GET_MODE_CLASS against MODE_INT.
3834
3835 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3836             Alan Hayward  <alan.hayward@arm.com>
3837             David Sherwood  <david.sherwood@arm.com>
3838
3839         * combine.c (try_widen_shift_mode): Move check for equal modes to...
3840         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
3841         shift_unit_mode and for modes involved in scalar shifts.
3842
3843 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3844             Alan Hayward  <alan.hayward@arm.com>
3845             David Sherwood  <david.sherwood@arm.com>
3846
3847         * combine.c (force_int_to_mode): New function, split out from...
3848         (force_to_mode): ...here.  Keep xmode up-to-date and use it
3849         instead of GET_MODE (x).
3850
3851 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3852             Alan Hayward  <alan.hayward@arm.com>
3853             David Sherwood  <david.sherwood@arm.com>
3854
3855         * optabs-query.h (extraction_insn::struct_mode): Change type to
3856         opt_scalar_int_mode and update comment.
3857         (extraction_insn::field_mode): Change type to scalar_int_mode.
3858         (extraction_insn::pos_mode): Likewise.
3859         * combine.c (make_extraction): Update accordingly.
3860         * optabs-query.c (get_traditional_extraction_insn): Likewise.
3861         (get_optab_extraction_insn): Likewise.
3862         * recog.c (simplify_while_replacing): Likewise.
3863         * expmed.c (narrow_bit_field_mem): Change the type of the mode
3864         parameter to opt_scalar_int_mode.
3865
3866 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3867             Alan Hayward  <alan.hayward@arm.com>
3868             David Sherwood  <david.sherwood@arm.com>
3869
3870         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
3871         to a scalar_int_mode instead of a machine_mode.
3872         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
3873         (get_best_mode): Return a boolean and use a pointer argument to store
3874         the selected mode.  Replace the limit mode parameter with a bit limit.
3875         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
3876         for the values returned by bit_field_mode_iterator::next_mode.
3877         (store_bit_field): Update call to get_best_mode.
3878         (store_fixed_bit_field): Likewise.
3879         (extract_fixed_bit_field): Likewise.
3880         * expr.c (optimize_bitfield_assignment_op): Likewise.
3881         * fold-const.c (optimize_bit_field_compare): Likewise.
3882         (fold_truth_andor_1): Likewise.
3883         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
3884         Update for new type of m_mode.
3885         (get_best_mode): As above.
3886
3887 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3888             Alan Hayward  <alan.hayward@arm.com>
3889             David Sherwood  <david.sherwood@arm.com>
3890
3891         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
3892         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
3893         (store_bit_field): Check is_a <scalar_int_mode> before calling
3894         strict_volatile_bitfield_p.
3895         (extract_bit_field): Likewise.
3896
3897 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3898             Alan Hayward  <alan.hayward@arm.com>
3899             David Sherwood  <david.sherwood@arm.com>
3900
3901         * target.def (cstore_mode): Return a scalar_int_mode.
3902         * doc/tm.texi: Regenerate.
3903         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
3904         * targhooks.h (default_cstore_mode): Likewise.
3905         * targhooks.c (default_cstore_mode): Likewise, using a forced
3906         conversion.
3907         * expmed.c (emit_cstore): Expect the target of the cstore to be
3908         a scalar_int_mode.
3909
3910 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3911             Alan Hayward  <alan.hayward@arm.com>
3912             David Sherwood  <david.sherwood@arm.com>
3913
3914         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
3915         scalar_int_mode.
3916         (niter_desc): Likewise mode.
3917         (iv_analyze): Add a mode parameter.
3918         (biv_p): Likewise.
3919         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
3920         and change its type to scalar_int_mode.
3921         * loop-iv.c: Update commentary at head of file.
3922         (iv_constant): Pass the mode paraeter before the rtx it describes
3923         and change its type to scalar_int_mode.  Remove VOIDmode handling.
3924         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
3925         (iv_extend): Likewise.
3926         (shorten_into_mode): Likewise.
3927         (iv_add): Use scalar_int_mode.
3928         (iv_mult): Likewise.
3929         (iv_shift): Likewise.
3930         (canonicalize_iv_subregs): Likewise.
3931         (get_biv_step_1): Pass the outer_mode parameter before the rtx
3932         it describes and change its mode to scalar_int_mode.   Also change
3933         the type of the returned inner_mode to scalar_int_mode.
3934         (get_biv_step): Likewise, turning outer_mode from a pointer
3935         into a direct parameter.  Update call to get_biv_step_1.
3936         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
3937         iv_constant and get_biv_step.
3938         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
3939         and change its type to scalar_int_mode.  Don't initialise iv->mode
3940         to VOIDmode and remove later checks for its still being VOIDmode.
3941         Update calls to iv_analyze_op and iv_analyze_expr.  Check
3942         is_a <scalar_int_mode> when changing the mode under consideration.
3943         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
3944         Update call to iv_analyze_expr.
3945         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
3946         inner register is not also a scalar_int_mode.  Update call to
3947         iv_analyze_biv.
3948         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
3949         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
3950         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
3951         separate mode class checks.  Update calls to iv_analyze.  Remove
3952         fix-up of VOIDmodes after iv_analyze_biv.
3953         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
3954         don't have a scalar_int_mode.  Update call to biv_p.
3955
3956 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3957             Alan Hayward  <alan.hayward@arm.com>
3958             David Sherwood  <david.sherwood@arm.com>
3959
3960         * cfgexpand.c (convert_debug_memory_address): Use
3961         as_a <scalar_int_mode>.
3962         * combine.c (expand_compound_operation): Likewise.
3963         (make_extraction): Likewise.
3964         (change_zero_ext): Likewise.
3965         (simplify_comparison): Likewise.
3966         * cse.c (cse_insn): Likewise.
3967         * dwarf2out.c (minmax_loc_descriptor): Likewise.
3968         (mem_loc_descriptor): Likewise.
3969         (loc_descriptor): Likewise.
3970         * expmed.c (init_expmed_one_mode): Likewise.
3971         (synth_mult): Likewise.
3972         (emit_store_flag_1): Likewise.
3973         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
3974         of a comparison with size.
3975         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
3976         (reduce_to_bit_field_precision): Likewise.
3977         * function.c (expand_function_end): Likewise.
3978         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
3979         * loop-doloop.c (doloop_modify): Likewise.
3980         * optabs.c (expand_binop): Likewise.
3981         (expand_unop): Likewise.
3982         (expand_copysign_absneg): Likewise.
3983         (prepare_cmp_insn): Likewise.
3984         (maybe_legitimize_operand): Likewise.
3985         * recog.c (const_scalar_int_operand): Likewise.
3986         * rtlanal.c (get_address_mode): Likewise.
3987         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3988         (simplify_cond_clz_ctz): Likewise.
3989         * tree-nested.c (get_nl_goto_field): Likewise.
3990         * tree.c (build_vector_type_for_mode): Likewise.
3991         * var-tracking.c (use_narrower_mode): Likewise.
3992
3993 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3994             Alan Hayward  <alan.hayward@arm.com>
3995             David Sherwood  <david.sherwood@arm.com>
3996
3997         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
3998         * builtins.c (expand_builtin_signbit): Use it.
3999         * cfgexpand.c (expand_debug_expr): Likewise.
4000         * dojump.c (do_jump): Likewise.
4001         (do_compare_and_jump): Likewise.
4002         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
4003         * expmed.c (make_tree): Likewise.
4004         * expr.c (expand_expr_real_2): Likewise.
4005         (expand_expr_real_1): Likewise.
4006         (try_casesi): Likewise.
4007         * fold-const-call.c (fold_const_call_ss): Likewise.
4008         * fold-const.c (unextend): Likewise.
4009         (extract_muldiv_1): Likewise.
4010         (fold_single_bit_test): Likewise.
4011         (native_encode_int): Likewise.
4012         (native_encode_string): Likewise.
4013         (native_interpret_int): Likewise.
4014         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
4015         * internal-fn.c (expand_addsub_overflow): Likewise.
4016         (expand_neg_overflow): Likewise.
4017         (expand_mul_overflow): Likewise.
4018         (expand_arith_overflow): Likewise.
4019         * match.pd: Likewise.
4020         * stor-layout.c (layout_type): Likewise.
4021         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
4022         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
4023         * tree-ssanames.c (get_range_info): Likewise.
4024         * tree-switch-conversion.c (array_value_type) Likewise.
4025         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
4026         (vect_recog_divmod_pattern): Likewise.
4027         (vect_recog_mixed_size_cond_pattern): Likewise.
4028         * tree-vrp.c (extract_range_basic): Likewise.
4029         (simplify_float_conversion_using_ranges): Likewise.
4030         * tree.c (int_fits_type_p): Likewise.
4031         * ubsan.c (instrument_bool_enum_load): Likewise.
4032         * varasm.c (mergeable_string_section): Likewise.
4033         (narrowing_initializer_constant_valid_p): Likewise.
4034         (output_constant): Likewise.
4035
4036 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4037             Alan Hayward  <alan.hayward@arm.com>
4038             David Sherwood  <david.sherwood@arm.com>
4039
4040         * machmode.h (NARROWEST_INT_MODE): New macro.
4041         * expr.c (alignment_for_piecewise_move): Use it instead of
4042         GET_CLASS_NARROWEST_MODE (MODE_INT).
4043         (push_block): Likewise.
4044         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
4045         Likewise.
4046         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
4047
4048 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4049             Alan Hayward  <alan.hayward@arm.com>
4050             David Sherwood  <david.sherwood@arm.com>
4051
4052         * postreload.c (move2add_valid_value_p): Change the type of the
4053         mode parameter to scalar_int_mode.
4054         (move2add_use_add2_insn): Add a mode parameter and use it instead
4055         of GET_MODE (reg).
4056         (move2add_use_add3_insn): Likewise.
4057         (reload_cse_move2add): Update accordingly.
4058
4059 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4060             Alan Hayward  <alan.hayward@arm.com>
4061             David Sherwood  <david.sherwood@arm.com>
4062
4063         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
4064         double-word mode.
4065         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
4066         * optabs.c (expand_unop): Likewise.
4067
4068 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4069             Alan Hayward  <alan.hayward@arm.com>
4070             David Sherwood  <david.sherwood@arm.com>
4071
4072         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
4073         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
4074         (popcount_loc_descriptor): Likewise.
4075         (bswap_loc_descriptor): Likewise.
4076         (rotate_loc_descriptor): Likewise.
4077         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
4078         calling the functions above.
4079
4080 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4081             Alan Hayward  <alan.hayward@arm.com>
4082             David Sherwood  <david.sherwood@arm.com>
4083
4084         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
4085         checks.
4086         (try_combine): Likewise.
4087         (simplify_if_then_else): Likewise.
4088         * cse.c (cse_insn): Likewise.
4089         * dwarf2out.c (mem_loc_descriptor): Likewise.
4090         * emit-rtl.c (gen_lowpart_common): Likewise.
4091         * simplify-rtx.c (simplify_truncation): Likewise.
4092         (simplify_binary_operation_1): Likewise.
4093         (simplify_const_relational_operation): Likewise.
4094         (simplify_ternary_operation): Likewise.
4095         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
4096
4097 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4098             Alan Hayward  <alan.hayward@arm.com>
4099             David Sherwood  <david.sherwood@arm.com>
4100
4101         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
4102         * reload.c (push_reload): Likewise.
4103         (find_reloads): Likewise.
4104
4105 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4106             Alan Hayward  <alan.hayward@arm.com>
4107             David Sherwood  <david.sherwood@arm.com>
4108
4109         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
4110         (make_compound_operation_int): Likewise.
4111         (change_zero_ext): Likewise.
4112         * expr.c (convert_move): Likewise.
4113         (convert_modes): Likewise.
4114         * fwprop.c (forward_propagate_subreg): Likewise.
4115         * loop-iv.c (get_biv_step_1): Likewise.
4116         * optabs.c (widen_operand): Likewise.
4117         * postreload.c (move2add_valid_value_p): Likewise.
4118         * recog.c (simplify_while_replacing): Likewise.
4119         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4120         (simplify_binary_operation_1): Likewise.  Remove redundant
4121         mode equality check.
4122
4123 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4124             Alan Hayward  <alan.hayward@arm.com>
4125             David Sherwood  <david.sherwood@arm.com>
4126
4127         * combine.c (combine_simplify_rtx): Add checks for
4128         is_a <scalar_int_mode>.
4129         (simplify_if_then_else): Likewise.
4130         (make_field_assignment): Likewise.
4131         (simplify_comparison): Likewise.
4132         * ifcvt.c (noce_try_bitop): Likewise.
4133         * loop-invariant.c (canonicalize_address_mult): Likewise.
4134         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4135
4136 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4137             Alan Hayward  <alan.hayward@arm.com>
4138             David Sherwood  <david.sherwood@arm.com>
4139
4140         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
4141         is_a <scalar_int_mode> instead of != BLKmode.
4142
4143 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4144             Alan Hayward  <alan.hayward@arm.com>
4145             David Sherwood  <david.sherwood@arm.com>
4146
4147         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
4148         instead of != VOIDmode.
4149         * combine.c (if_then_else_cond): Likewise.
4150         (change_zero_ext): Likewise.
4151         * dwarf2out.c (mem_loc_descriptor): Likewise.
4152         (loc_descriptor): Likewise.
4153         * rtlanal.c (canonicalize_condition): Likewise.
4154         * simplify-rtx.c (simplify_relational_operation_1): 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         * simplify-rtx.c (simplify_binary_operation_1): Use
4161         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
4162
4163 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4164             Alan Hayward  <alan.hayward@arm.com>
4165             David Sherwood  <david.sherwood@arm.com>
4166
4167         * wide-int.h (int_traits<unsigned char>) New class.
4168         (int_traits<unsigned short>) Likewise.
4169         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
4170         Use GET_MODE_UNIT_PRECISION and remove redundant test for
4171         SCALAR_INT_MODE_P.
4172         * combine.c (set_nonzero_bits_and_sign_copies): Use
4173         is_a <scalar_int_mode>.
4174         (find_split_point): Likewise.
4175         (combine_simplify_rtx): Likewise.
4176         (simplify_logical): Likewise.
4177         (expand_compound_operation): Likewise.
4178         (expand_field_assignment): Likewise.
4179         (make_compound_operation): Likewise.
4180         (extended_count): Likewise.
4181         (change_zero_ext): Likewise.
4182         (simplify_comparison): Likewise.
4183         * dwarf2out.c (scompare_loc_descriptor): Likewise.
4184         (ucompare_loc_descriptor): Likewise.
4185         (minmax_loc_descriptor): Likewise.
4186         (mem_loc_descriptor): Likewise.
4187         (loc_descriptor): Likewise.
4188         * expmed.c (init_expmed_one_mode): Likewise.
4189         * lra-constraints.c (lra_constraint_offset): Likewise.
4190         * optabs.c (prepare_libcall_arg): Likewise.
4191         * postreload.c (move2add_note_store): Likewise.
4192         * reload.c (operands_match_p): Likewise.
4193         * rtl.h (load_extend_op): Likewise.
4194         * rtlhooks.c (gen_lowpart_general): Likewise.
4195         * simplify-rtx.c (simplify_truncation): Likewise.
4196         (simplify_unary_operation_1): Likewise.
4197         (simplify_binary_operation_1): Likewise.
4198         (simplify_const_binary_operation): Likewise.
4199         (simplify_const_relational_operation): Likewise.
4200         (simplify_subreg): Likewise.
4201         * stor-layout.c (bitwise_mode_for_mode): Likewise.
4202         * var-tracking.c (adjust_mems): Likewise.
4203         (prepare_call_arguments): Likewise.
4204
4205 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4206             Alan Hayward  <alan.hayward@arm.com>
4207             David Sherwood  <david.sherwood@arm.com>
4208
4209         * machmode.h (is_int_mode): New fuction.
4210         * combine.c (find_split_point): Use it.
4211         (combine_simplify_rtx): Likewise.
4212         (simplify_if_then_else): Likewise.
4213         (simplify_set): Likewise.
4214         (simplify_shift_const_1): Likewise.
4215         (simplify_comparison): Likewise.
4216         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
4217         * cse.c (notreg_cost): Likewise.
4218         (cse_insn): Likewise.
4219         * cselib.c (cselib_lookup_1): Likewise.
4220         * dojump.c (do_jump_1): Likewise.
4221         (do_compare_rtx_and_jump): Likewise.
4222         * dse.c (get_call_args): Likewise.
4223         * dwarf2out.c (rtl_for_decl_init): Likewise.
4224         (native_encode_initializer): Likewise.
4225         * expmed.c (emit_store_flag_1): Likewise.
4226         (emit_store_flag): Likewise.
4227         * expr.c (convert_modes): Likewise.
4228         (store_field): Likewise.
4229         (expand_expr_real_1): Likewise.
4230         * fold-const.c (fold_read_from_constant_string): Likewise.
4231         * gimple-ssa-sprintf.c (get_format_string): Likewise.
4232         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
4233         * optabs.c (expand_binop): Likewise.
4234         (expand_unop): Likewise.
4235         (expand_abs_nojump): Likewise.
4236         (expand_one_cmpl_abs_nojump): Likewise.
4237         * simplify-rtx.c (mode_signbit_p): Likewise.
4238         (val_signbit_p): Likewise.
4239         (val_signbit_known_set_p): Likewise.
4240         (val_signbit_known_clear_p): Likewise.
4241         (simplify_relational_operation_1): Likewise.
4242         * tree.c (vector_type_mode): Likewise.
4243
4244 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4245             Alan Hayward  <alan.hayward@arm.com>
4246             David Sherwood  <david.sherwood@arm.com>
4247
4248         * machmode.h (smallest_mode_for_size): Fix formatting.
4249         (smallest_int_mode_for_size): New function.
4250         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
4251         instead of smallest_mode_for_size.
4252         * combine.c (make_extraction): Likewise.
4253         * config/arc/arc.c (arc_expand_movmem): Likewise.
4254         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
4255         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
4256         * config/s390/s390.c (s390_expand_insv): Likewise.
4257         * config/sparc/sparc.c (assign_int_registers): Likewise.
4258         * config/spu/spu.c (spu_function_value): Likewise.
4259         (spu_function_arg): Likewise.
4260         * coverage.c (get_gcov_type): Likewise.
4261         (get_gcov_unsigned_t): Likewise.
4262         * dse.c (find_shift_sequence): Likewise.
4263         * expmed.c (store_bit_field_1): Likewise.
4264         * expr.c (convert_move): Likewise.
4265         (store_field): Likewise.
4266         * internal-fn.c (expand_arith_overflow): Likewise.
4267         * optabs-query.c (get_best_extraction_insn): Likewise.
4268         * optabs.c (expand_twoval_binop_libfunc): Likewise.
4269         * stor-layout.c (layout_type): Likewise.
4270         (initialize_sizetypes): Likewise.
4271         * targhooks.c (default_get_mask_mode): Likewise.
4272         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
4273
4274 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4275             Alan Hayward  <alan.hayward@arm.com>
4276             David Sherwood  <david.sherwood@arm.com>
4277
4278         * machmode.h (opt_mode::else_blk): New function.
4279         (int_mode_for_mode): Declare.
4280         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
4281         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
4282         return type.
4283         * cfgexpand.c (expand_debug_expr): Likewise.
4284         * combine.c (gen_lowpart_or_truncate): Likewise.
4285         (gen_lowpart_for_combine): Likewise.
4286         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
4287         * config/avr/avr.c (avr_to_int_mode): Likewise.
4288         (avr_out_plus_1): Likewise.
4289         (avr_out_plus): Likewise.
4290         (avr_out_round): Likewise.
4291         * config/i386/i386.c (ix86_split_to_parts): Likewise.
4292         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
4293         (s390_expand_vcond): Likewise.
4294         * config/spu/spu.c (spu_split_immediate): Likewise.
4295         (spu_expand_mov): Likewise.
4296         * dse.c (get_stored_val): Likewise.
4297         * expmed.c (store_bit_field_1): Likewise.
4298         (convert_extracted_bit_field): Use int_mode_for_mode instead of
4299         int_mode_for_size.
4300         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
4301         (extract_low_bits): Likewise.
4302         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
4303         handling rather than repeating the check.
4304         (emit_group_store): Likewise.
4305         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
4306         * optabs.c (expand_absneg_bit): Likewise.
4307         (expand_copysign_absneg): Likewise.
4308         (expand_copysign_bit): Likewise.
4309         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
4310         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
4311         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
4312         * var-tracking.c (prepare_call_arguments):  Likewise.
4313         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
4314         int_mode_for_mode instead of mode_for_size.
4315         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
4316
4317 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4318             Alan Hayward  <alan.hayward@arm.com>
4319             David Sherwood  <david.sherwood@arm.com>
4320
4321         * machmode.h (int_mode_for_size): New function.
4322         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
4323         instead of mode_for_size.
4324         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
4325         explicit.
4326         * combine.c (expand_field_assignment): Use int_mode_for_size
4327         instead of mode_for_size.
4328         (make_extraction): Likewise.
4329         (simplify_shift_const_1): Likewise.
4330         (simplify_comparison): Likewise.
4331         * dojump.c (do_jump): Likewise.
4332         * dwarf2out.c (mem_loc_descriptor): Likewise.
4333         * emit-rtl.c (init_derived_machine_modes): Likewise.
4334         * expmed.c (flip_storage_order): Likewise.
4335         (convert_extracted_bit_field): Likewise.
4336         * expr.c (copy_blkmode_from_reg): Likewise.
4337         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
4338         * internal-fn.c (expand_mul_overflow): Likewise.
4339         * lower-subreg.c (simple_move): Likewise.
4340         * optabs-libfuncs.c (init_optabs): Likewise.
4341         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4342         * tree.c (vector_type_mode): Likewise.
4343         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
4344         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
4345         * tree-vect-generic.c (expand_vector_parallel): Likewise.
4346         * tree-vect-stmts.c (vectorizable_load): Likewise.
4347         (vectorizable_store): Likewise.
4348
4349 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4350             Alan Hayward  <alan.hayward@arm.com>
4351             David Sherwood  <david.sherwood@arm.com>
4352
4353         * coretypes.h (pod_mode): New type.
4354         (scalar_int_mode_pod): New typedef.
4355         * machmode.h (pod_mode): New class.
4356         (int_n_data_t::m): Change type to scalar_int_mode_pod.
4357         * genmodes.c (emit_mode_int_n): Update accordingly.
4358         * lower-subreg.h (target_lower_subreg): Change type to
4359         scalar_int_mode_pod.
4360         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
4361         scalar_int_mode_pod.
4362
4363 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4364             Alan Hayward  <alan.hayward@arm.com>
4365             David Sherwood  <david.sherwood@arm.com>
4366
4367         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
4368         machine_mode to scalar_int_mode.
4369         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
4370         (rs6000_option_override_internal): Remove cast to int.
4371         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
4372         machine_mode to scalar_int_mode.
4373         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
4374         (rs6000_option_override_internal): Remove cast to int.
4375         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
4376         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
4377         to machine_mode.
4378         * config/s390/s390.c (s390_expand_builtin): Likewise.
4379         * coretypes.h (scalar_int_mode): New type.
4380         (opt_scalar_int_mode): New typedef.
4381         * machmode.h (scalar_int_mode): New class.
4382         (scalar_int_mode::includes_p): New function.
4383         (byte_mode): Change type to scalar_int_mode.
4384         (word_mode): Likewise.
4385         (ptr_mode): Likewise.
4386         * emit-rtl.c (byte_mode): Likewise.
4387         (word_mode): Likewise.
4388         (ptr_mode): Likewise.
4389         (init_derived_machine_modes): Update accordingly.
4390         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
4391         and MODE_PARTIAL_INT.
4392         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
4393         opt_scalar_int_mode.
4394
4395 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4396             Alan Hayward  <alan.hayward@arm.com>
4397             David Sherwood  <david.sherwood@arm.com>
4398
4399         * target.def (libgcc_floating_mode_supported_p): Take a
4400         scalar_float_mode.
4401         * doc/tm.texi: Regenerate.
4402         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
4403         scalar_float_mode.
4404         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
4405         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
4406         Likewise.
4407
4408 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4409             Alan Hayward  <alan.hayward@arm.com>
4410             David Sherwood  <david.sherwood@arm.com>
4411
4412         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
4413         * doc/tm.texi: Regenerate.
4414         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
4415         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
4416         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
4417         * targhooks.h (default_floatn_mode): Likewise.
4418         * targhooks.c (default_floatn_mode): Likewise.
4419         * tree.c (build_common_tree_nodes): Update accordingly.
4420
4421 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4422             Alan Hayward  <alan.hayward@arm.com>
4423             David Sherwood  <david.sherwood@arm.com>
4424
4425         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
4426         (mode_iterator::iterate_p): Likewise.
4427         (mode_iterator::get_wider): Likewise.
4428         * expr.c (init_expr_target): Use opt_scalar_float_mode.
4429
4430 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4431             Alan Hayward  <alan.hayward@arm.com>
4432             David Sherwood  <david.sherwood@arm.com>
4433
4434         * coretypes.h (opt_scalar_float_mode): New typedef.
4435         * machmode.h (float_mode_for_size): New function.
4436         * emit-rtl.c (double_mode): Delete.
4437         (init_emit_once): Use float_mode_for_size.
4438         * stor-layout.c (layout_type): Likewise.
4439         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
4440
4441 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4442             Alan Hayward  <alan.hayward@arm.com>
4443             David Sherwood  <david.sherwood@arm.com>
4444
4445         * output.h (assemble_real): Take a scalar_float_mode.
4446         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
4447         * config/arm/arm.md (consttable_4): Likewise.
4448         (consttable_8): Likewise.
4449         (consttable_16): Likewise.
4450         * config/mips/mips.md (consttable_float): Likewise.
4451         * config/s390/s390.c (s390_output_pool_entry): Likewise.
4452         * varasm.c (assemble_real): Take a scalar_float_mode.
4453         (output_constant_pool_2): Update accordingly.
4454         (output_constant): Likewise.
4455
4456 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4457             Alan Hayward  <alan.hayward@arm.com>
4458             David Sherwood  <david.sherwood@arm.com>
4459
4460         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
4461         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
4462         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
4463         (native_encode_real): Likewise.
4464         (native_interpret_real): Likewise.
4465         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
4466         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
4467
4468 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4469             Alan Hayward  <alan.hayward@arm.com>
4470             David Sherwood  <david.sherwood@arm.com>
4471
4472         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
4473         <scalar_float_mode>.  Simplify.
4474         (gen_extend_conv_libfunc): Likewise.
4475
4476 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4477             Alan Hayward  <alan.hayward@arm.com>
4478             David Sherwood  <david.sherwood@arm.com>
4479
4480         * coretypes.h (scalar_float_mode): New type.
4481         * machmode.h (mode_traits::from_int): Use machine_mode if
4482         USE_ENUM_MODES is defined.
4483         (is_a): New function.
4484         (as_a): Likewise.
4485         (dyn_cast): Likewise.
4486         (scalar_float_mode): New class.
4487         (scalar_float_mode::includes_p): New function.
4488         (is_float_mode): Likewise.
4489         * gdbhooks.py (MachineModePrinter): New class.
4490         (build_pretty_printer): Use it for scalar_float_mode.
4491         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
4492         (format_helper::format_helper): Turn into a template.
4493         * genmodes.c (get_mode_class): New function.
4494         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
4495         or machine_mode if none.
4496         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
4497         as_a <scalar_float_mode>.
4498         * dwarf2out.c (mem_loc_descriptor): Likewise.
4499         (insert_float): Likewise.
4500         (add_const_value_attribute): Likewise.
4501         * simplify-rtx.c (simplify_immed_subreg): Likewise.
4502         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
4503         (expand_unop): Update accordingly.
4504         (expand_abs_nojump): Likewise.
4505         (expand_copysign_absneg): Take a scalar_float_mode.
4506         (expand_copysign_bit): Likewise.
4507         (expand_copysign): Update accordingly.
4508
4509 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4510             Alan Hayward  <alan.hayward@arm.com>
4511             David Sherwood  <david.sherwood@arm.com>
4512
4513         * coretypes.h (opt_mode): New class.
4514         * machmode.h (opt_mode): Likewise.
4515         (opt_mode::else_void): New function.
4516         (opt_mode::require): Likewise.
4517         (opt_mode::exists): Likewise.
4518         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
4519         (GET_MODE_2XWIDER_MODE): Likewise.
4520         (mode_iterator::get_wider): Update accordingly.
4521         (mode_iterator::get_2xwider): Likewise.
4522         (mode_iterator::get_known_wider): Likewise, turning into a template.
4523         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
4524         forcing a wider mode to exist.
4525         * config/cr16/cr16.h (LONG_REG_P): Likewise.
4526         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
4527         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
4528         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
4529         * lower-subreg.c (init_lower_subreg): Likewise.
4530         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
4531         on the final iteration.
4532         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
4533         a wider mode exists before asking for a move pattern.
4534         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
4535         forcing a wider mode to exist.
4536         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
4537         returning false if no such mode exists.
4538         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
4539         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
4540         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
4541         Avoid checking for a MODE_INT if we already know the mode is not a
4542         SCALAR_INT_MODE_P.
4543         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
4544         forcing a wider mode to exist.
4545         (expmed_mult_highpart_optab): Likewise.
4546         (expmed_mult_highpart): Likewise.
4547         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
4548         using else_void.
4549         * lto-streamer-in.c (lto_input_mode_table): Likewise.
4550         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
4551         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
4552         * internal-fn.c (expand_mul_overflow): Update use of
4553         GET_MODE_2XWIDER_MODE.
4554         * omp-low.c (omp_clause_aligned_alignment): Likewise.
4555         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
4556         GET_MODE_WIDER_MODE.
4557         (convert_plusminus_to_widen): Likewise.
4558         * tree-switch-conversion.c (array_value_type): Likewise.
4559         * var-tracking.c (emit_note_insn_var_location): Likewise.
4560         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
4561         Return false inside rather than outside the loop if no wider mode
4562         exists
4563         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
4564         and GET_MODE_2XWIDER_MODE
4565         (can_compare_p): Use else_void.
4566         * gdbhooks.py (OptMachineModePrinter): New class.
4567         (build_pretty_printer): Use it for opt_mode.
4568
4569 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4570             Alan Hayward  <alan.hayward@arm.com>
4571             David Sherwood  <david.sherwood@arm.com>
4572
4573         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
4574         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
4575
4576 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4577             Alan Hayward  <alan.hayward@arm.com>
4578             David Sherwood  <david.sherwood@arm.com>
4579
4580         * machmode.h (mode_traits): New structure.
4581         (get_narrowest_mode): New function.
4582         (mode_iterator::start): Likewise.
4583         (mode_iterator::iterate_p): Likewise.
4584         (mode_iterator::get_wider): Likewise.
4585         (mode_iterator::get_known_wider): Likewise.
4586         (mode_iterator::get_2xwider): Likewise.
4587         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
4588         (FOR_EACH_MODE): Likewise.
4589         (FOR_EACH_MODE_FROM): Likewise.
4590         (FOR_EACH_MODE_UNTIL): Likewise.
4591         (FOR_EACH_WIDER_MODE): Likewise.
4592         (FOR_EACH_2XWIDER_MODE): Likewise.
4593         * builtins.c (expand_builtin_strlen): Use new mode iterators.
4594         * combine.c (simplify_comparison): Likewise
4595         * config/i386/i386.c (type_natural_mode): Likewise.
4596         * cse.c (cse_insn): Likewise.
4597         * dse.c (find_shift_sequence): Likewise.
4598         * emit-rtl.c (init_derived_machine_modes): Likewise.
4599         (init_emit_once): Likewise.
4600         * explow.c (hard_function_value): Likewise.
4601         * expmed.c (extract_fixed_bit_field_1): Likewise.
4602         (extract_bit_field_1): Likewise.
4603         (expand_divmod): Likewise.
4604         (emit_store_flag_1): Likewise.
4605         * expr.c (init_expr_target): Likewise.
4606         (convert_move): Likewise.
4607         (alignment_for_piecewise_move): Likewise.
4608         (widest_int_mode_for_size): Likewise.
4609         (emit_block_move_via_movmem): Likewise.
4610         (copy_blkmode_to_reg): Likewise.
4611         (set_storage_via_setmem): Likewise.
4612         (compress_float_constant): Likewise.
4613         * omp-low.c (omp_clause_aligned_alignment): Likewise.
4614         * optabs-query.c (get_best_extraction_insn): Likewise.
4615         * optabs.c (expand_binop): Likewise.
4616         (expand_twoval_unop): Likewise.
4617         (expand_twoval_binop): Likewise.
4618         (widen_leading): Likewise.
4619         (widen_bswap): Likewise.
4620         (expand_parity): Likewise.
4621         (expand_unop): Likewise.
4622         (prepare_cmp_insn): Likewise.
4623         (prepare_float_lib_cmp): Likewise.
4624         (expand_float): Likewise.
4625         (expand_fix): Likewise.
4626         (expand_sfix_optab): Likewise.
4627         * postreload.c (move2add_use_add2_insn): Likewise.
4628         * reg-stack.c (reg_to_stack): Likewise.
4629         * reginfo.c (choose_hard_reg_mode): Likewise.
4630         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
4631         * stor-layout.c (mode_for_size): Likewise.
4632         (smallest_mode_for_size): Likewise.
4633         (mode_for_vector): Likewise.
4634         (finish_bitfield_representative): Likewise.
4635         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
4636         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
4637         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4638         * var-tracking.c (prepare_call_arguments): Likewise.
4639
4640 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4641             Alan Hayward  <alan.hayward@arm.com>
4642             David Sherwood  <david.sherwood@arm.com>
4643
4644         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
4645         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
4646         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
4647         * machmode.h (mode_size): Move earlier in file.
4648         (mode_precision): Likewise.
4649         (mode_inner): Likewise.
4650         (mode_nunits): Likewise.
4651         (mode_unit_size): Likewise.
4652         (unit_unit_precision): Likewise.
4653         (mode_wider): Likewise.
4654         (mode_2xwider): Likewise.
4655         (machine_mode): New class.
4656         (mode_to_bytes): New function.
4657         (mode_to_bits): Likewise.
4658         (mode_to_precision): Likewise.
4659         (mode_to_inner): Likewise.
4660         (mode_to_unit_size): Likewise.
4661         (mode_to_unit_precision): Likewise.
4662         (mode_to_nunits): Likewise.
4663         (GET_MODE_SIZE): Use mode_to_bytes.
4664         (GET_MODE_BITSIZE): Use mode_to_bits.
4665         (GET_MODE_PRECISION): Use mode_to_precision.
4666         (GET_MODE_INNER): Use mode_to_inner.
4667         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
4668         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
4669         (GET_MODE_NUNITS): Use mode_to_nunits.
4670         * system.h (ALWAYS_INLINE): New macro.
4671         * config/powerpcspe/powerpcspe-c.c
4672         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
4673         int for arg1_mode and arg2_mode.
4674
4675 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4676             Alan Hayward  <alan.hayward@arm.com>
4677             David Sherwood  <david.sherwood@arm.com>
4678
4679         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
4680         Prefix mode names with E_ in case statements.
4681         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4682         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
4683         (aarch64_split_simd_move): Likewise.
4684         (aarch64_gen_storewb_pair): Likewise.
4685         (aarch64_gen_loadwb_pair): Likewise.
4686         (aarch64_gen_store_pair): Likewise.
4687         (aarch64_gen_load_pair): Likewise.
4688         (aarch64_get_condition_code_1): Likewise.
4689         (aarch64_constant_pool_reload_icode): Likewise.
4690         (get_rsqrte_type): Likewise.
4691         (get_rsqrts_type): Likewise.
4692         (get_recpe_type): Likewise.
4693         (get_recps_type): Likewise.
4694         (aarch64_gimplify_va_arg_expr): Likewise.
4695         (aarch64_simd_container_mode): Likewise.
4696         (aarch64_emit_load_exclusive): Likewise.
4697         (aarch64_emit_store_exclusive): Likewise.
4698         (aarch64_expand_compare_and_swap): Likewise.
4699         (aarch64_gen_atomic_cas): Likewise.
4700         (aarch64_emit_bic): Likewise.
4701         (aarch64_emit_atomic_swap): Likewise.
4702         (aarch64_emit_atomic_load_op): Likewise.
4703         (aarch64_evpc_trn): Likewise.
4704         (aarch64_evpc_uzp): Likewise.
4705         (aarch64_evpc_zip): Likewise.
4706         (aarch64_evpc_ext): Likewise.
4707         (aarch64_evpc_rev): Likewise.
4708         (aarch64_evpc_dup): Likewise.
4709         (aarch64_gen_ccmp_first): Likewise.
4710         (aarch64_gen_ccmp_next): Likewise.
4711         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
4712         (alpha_emit_xfloating_libcall): Likewise.
4713         (emit_insxl): Likewise.
4714         (alpha_arg_type): Likewise.
4715         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
4716         (arc_preferred_simd_mode): Likewise.
4717         (arc_secondary_reload): Likewise.
4718         (get_arc_condition_code): Likewise.
4719         (arc_print_operand): Likewise.
4720         (arc_legitimate_constant_p): Likewise.
4721         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4722         * config/arc/arc.md (casesi_load): Likewise.
4723         (casesi_compact_jump): Likewise.
4724         * config/arc/predicates.md (proper_comparison_operator): Likewise.
4725         (cc_use_register): Likewise.
4726         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4727         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
4728         (arm_init_iwmmxt_builtins): Likewise.
4729         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
4730         (neon_expand_vector_init): Likewise.
4731         (arm_attr_length_move_neon): Likewise.
4732         (maybe_get_arm_condition_code): Likewise.
4733         (arm_emit_vector_const): Likewise.
4734         (arm_preferred_simd_mode): Likewise.
4735         (arm_output_iwmmxt_tinsr): Likewise.
4736         (thumb1_output_casesi): Likewise.
4737         (thumb2_output_casesi): Likewise.
4738         (arm_emit_load_exclusive): Likewise.
4739         (arm_emit_store_exclusive): Likewise.
4740         (arm_expand_compare_and_swap): Likewise.
4741         (arm_evpc_neon_vuzp): Likewise.
4742         (arm_evpc_neon_vzip): Likewise.
4743         (arm_evpc_neon_vrev): Likewise.
4744         (arm_evpc_neon_vtrn): Likewise.
4745         (arm_evpc_neon_vext): Likewise.
4746         (arm_validize_comparison): Likewise.
4747         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
4748         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
4749         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
4750         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
4751         (c6x_preferred_simd_mode): Likewise.
4752         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
4753         (epiphany_rtx_costs): Likewise.
4754         * config/epiphany/predicates.md (proper_comparison_operator):
4755         Likewise.
4756         * config/frv/frv.c (condexec_memory_operand): Likewise.
4757         (frv_emit_move): Likewise.
4758         (output_move_single): Likewise.
4759         (output_condmove_single): Likewise.
4760         (frv_hard_regno_mode_ok): Likewise.
4761         (frv_matching_accg_mode): Likewise.
4762         * config/h8300/h8300.c (split_adds_subs): Likewise.
4763         (h8300_rtx_costs): Likewise.
4764         (h8300_print_operand): Likewise.
4765         (compute_mov_length): Likewise.
4766         (output_logical_op): Likewise.
4767         (compute_logical_op_length): Likewise.
4768         (compute_logical_op_cc): Likewise.
4769         (h8300_shift_needs_scratch_p): Likewise.
4770         (output_a_shift): Likewise.
4771         (compute_a_shift_length): Likewise.
4772         (compute_a_shift_cc): Likewise.
4773         (expand_a_rotate): Likewise.
4774         (output_a_rotate): Likewise.
4775         * config/i386/i386.c (classify_argument): Likewise.
4776         (function_arg_advance_32): Likewise.
4777         (function_arg_32): Likewise.
4778         (function_arg_64): Likewise.
4779         (function_value_64): Likewise.
4780         (ix86_gimplify_va_arg): Likewise.
4781         (ix86_legitimate_constant_p): Likewise.
4782         (put_condition_code): Likewise.
4783         (split_double_mode): Likewise.
4784         (ix86_avx256_split_vector_move_misalign): Likewise.
4785         (ix86_expand_vector_logical_operator): Likewise.
4786         (ix86_split_idivmod): Likewise.
4787         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
4788         (ix86_build_const_vector): Likewise.
4789         (ix86_build_signbit_mask): Likewise.
4790         (ix86_match_ccmode): Likewise.
4791         (ix86_cc_modes_compatible): Likewise.
4792         (ix86_expand_branch): Likewise.
4793         (ix86_expand_sse_cmp): Likewise.
4794         (ix86_expand_sse_movcc): Likewise.
4795         (ix86_expand_int_sse_cmp): Likewise.
4796         (ix86_expand_vec_perm_vpermi2): Likewise.
4797         (ix86_expand_vec_perm): Likewise.
4798         (ix86_expand_sse_unpack): Likewise.
4799         (ix86_expand_int_addcc): Likewise.
4800         (ix86_split_to_parts): Likewise.
4801         (ix86_vectorize_builtin_gather): Likewise.
4802         (ix86_vectorize_builtin_scatter): Likewise.
4803         (avx_vpermilp_parallel): Likewise.
4804         (inline_memory_move_cost): Likewise.
4805         (ix86_tieable_integer_mode_p): Likewise.
4806         (x86_maybe_negate_const_int): Likewise.
4807         (ix86_expand_vector_init_duplicate): Likewise.
4808         (ix86_expand_vector_init_one_nonzero): Likewise.
4809         (ix86_expand_vector_init_one_var): Likewise.
4810         (ix86_expand_vector_init_concat): Likewise.
4811         (ix86_expand_vector_init_interleave): Likewise.
4812         (ix86_expand_vector_init_general): Likewise.
4813         (ix86_expand_vector_set): Likewise.
4814         (ix86_expand_vector_extract): Likewise.
4815         (emit_reduc_half): Likewise.
4816         (ix86_emit_i387_round): Likewise.
4817         (ix86_mangle_type): Likewise.
4818         (ix86_expand_round_sse4): Likewise.
4819         (expand_vec_perm_blend): Likewise.
4820         (canonicalize_vector_int_perm): Likewise.
4821         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
4822         (expand_vec_perm_1): Likewise.
4823         (expand_vec_perm_interleave3): Likewise.
4824         (expand_vec_perm_even_odd_pack): Likewise.
4825         (expand_vec_perm_even_odd_1): Likewise.
4826         (expand_vec_perm_broadcast_1): Likewise.
4827         (ix86_vectorize_vec_perm_const_ok): Likewise.
4828         (ix86_expand_vecop_qihi): Likewise.
4829         (ix86_expand_mul_widen_hilo): Likewise.
4830         (ix86_expand_sse2_abs): Likewise.
4831         (ix86_expand_pextr): Likewise.
4832         (ix86_expand_pinsr): Likewise.
4833         (ix86_preferred_simd_mode): Likewise.
4834         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
4835         * config/i386/sse.md (*andnot<mode>3): Likewise.
4836         (<mask_codefor><code><mode>3<mask_name>): Likewise.
4837         (*<code><mode>3): Likewise.
4838         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
4839         (ia64_expand_atomic_op): Likewise.
4840         (ia64_arg_type): Likewise.
4841         (ia64_mode_to_int): Likewise.
4842         (ia64_scalar_mode_supported_p): Likewise.
4843         (ia64_vector_mode_supported_p): Likewise.
4844         (expand_vec_perm_broadcast): Likewise.
4845         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
4846         (iq2000_function_arg_advance): Likewise.
4847         (iq2000_function_arg): Likewise.
4848         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
4849         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
4850         (m68k_libcall_value): Likewise.
4851         (m68k_function_value): Likewise.
4852         (sched_attr_op_type): Likewise.
4853         * config/mcore/mcore.c (mcore_output_move): Likewise.
4854         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
4855         Likewise.
4856         (microblaze_function_arg): Likewise.
4857         * config/mips/mips.c (mips16_build_call_stub): Likewise.
4858         (mips_print_operand): Likewise.
4859         (mips_mode_ok_for_mov_fmt_p): Likewise.
4860         (mips_vector_mode_supported_p): Likewise.
4861         (mips_preferred_simd_mode): Likewise.
4862         (mips_expand_vpc_loongson_even_odd): Likewise.
4863         (mips_expand_vec_unpack): Likewise.
4864         (mips_expand_vi_broadcast): Likewise.
4865         (mips_expand_vector_init): Likewise.
4866         (mips_expand_vec_reduc): Likewise.
4867         (mips_expand_msa_cmp): Likewise.
4868         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
4869         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
4870         (cc_flags_for_mode): Likewise.
4871         * config/msp430/msp430.c (msp430_print_operand): Likewise.
4872         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
4873         (nds32_output_casesi_pc_relative): Likewise.
4874         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4875         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
4876         (nvptx_gen_unpack): Likewise.
4877         (nvptx_gen_pack): Likewise.
4878         (nvptx_gen_shuffle): Likewise.
4879         (nvptx_gen_wcast): Likewise.
4880         (nvptx_preferred_simd_mode): Likewise.
4881         * config/pa/pa.c (pa_secondary_reload): Likewise.
4882         * config/pa/predicates.md (base14_operand): Likewise.
4883         * config/powerpcspe/powerpcspe-c.c
4884         (altivec_resolve_overloaded_builtin): Likewise.
4885         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
4886         Likewise.
4887         (rs6000_preferred_simd_mode): Likewise.
4888         (output_vec_const_move): Likewise.
4889         (rs6000_expand_vector_extract): Likewise.
4890         (rs6000_split_vec_extract_var): Likewise.
4891         (reg_offset_addressing_ok_p): Likewise.
4892         (rs6000_legitimate_offset_address_p): Likewise.
4893         (rs6000_legitimize_address): Likewise.
4894         (rs6000_emit_set_const): Likewise.
4895         (rs6000_const_vec): Likewise.
4896         (rs6000_emit_move): Likewise.
4897         (spe_build_register_parallel): Likewise.
4898         (rs6000_darwin64_record_arg_recurse): Likewise.
4899         (swap_selector_for_mode): Likewise.
4900         (spe_init_builtins): Likewise.
4901         (paired_init_builtins): Likewise.
4902         (altivec_init_builtins): Likewise.
4903         (do_load_for_compare): Likewise.
4904         (rs6000_generate_compare): Likewise.
4905         (rs6000_expand_float128_convert): Likewise.
4906         (emit_load_locked): Likewise.
4907         (emit_store_conditional): Likewise.
4908         (rs6000_output_function_epilogue): Likewise.
4909         (rs6000_handle_altivec_attribute): Likewise.
4910         (rs6000_function_value): Likewise.
4911         (emit_fusion_gpr_load): Likewise.
4912         (emit_fusion_p9_load): Likewise.
4913         (emit_fusion_p9_store): Likewise.
4914         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
4915         (fusion_gpr_mem_load): Likewise.
4916         (fusion_addis_mem_combo_load): Likewise.
4917         (fusion_addis_mem_combo_store): Likewise.
4918         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
4919         (fusion_gpr_mem_load): Likewise.
4920         (fusion_addis_mem_combo_load): Likewise.
4921         (fusion_addis_mem_combo_store): Likewise.
4922         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4923         Likewise.
4924         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
4925         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
4926         (rs6000_preferred_simd_mode): Likewise.
4927         (output_vec_const_move): Likewise.
4928         (rs6000_expand_vector_extract): Likewise.
4929         (rs6000_split_vec_extract_var): Likewise.
4930         (reg_offset_addressing_ok_p): Likewise.
4931         (rs6000_legitimate_offset_address_p): Likewise.
4932         (rs6000_legitimize_address): Likewise.
4933         (rs6000_emit_set_const): Likewise.
4934         (rs6000_const_vec): Likewise.
4935         (rs6000_emit_move): Likewise.
4936         (rs6000_darwin64_record_arg_recurse): Likewise.
4937         (swap_selector_for_mode): Likewise.
4938         (paired_init_builtins): Likewise.
4939         (altivec_init_builtins): Likewise.
4940         (rs6000_expand_float128_convert): Likewise.
4941         (emit_load_locked): Likewise.
4942         (emit_store_conditional): Likewise.
4943         (rs6000_output_function_epilogue): Likewise.
4944         (rs6000_handle_altivec_attribute): Likewise.
4945         (rs6000_function_value): Likewise.
4946         (emit_fusion_gpr_load): Likewise.
4947         (emit_fusion_p9_load): Likewise.
4948         (emit_fusion_p9_store): Likewise.
4949         * config/rx/rx.c (rx_gen_move_template): Likewise.
4950         (flags_from_mode): Likewise.
4951         * config/s390/predicates.md (s390_alc_comparison): Likewise.
4952         (s390_slb_comparison): Likewise.
4953         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
4954         (s390_vector_mode_supported_p): Likewise.
4955         (s390_cc_modes_compatible): Likewise.
4956         (s390_match_ccmode_set): Likewise.
4957         (s390_canonicalize_comparison): Likewise.
4958         (s390_emit_compare_and_swap): Likewise.
4959         (s390_branch_condition_mask): Likewise.
4960         (s390_rtx_costs): Likewise.
4961         (s390_secondary_reload): Likewise.
4962         (__SECONDARY_RELOAD_CASE): Likewise.
4963         (s390_expand_cs): Likewise.
4964         (s390_preferred_simd_mode): Likewise.
4965         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
4966         * config/sh/sh.c (sh_print_operand): Likewise.
4967         (dump_table): Likewise.
4968         (sh_secondary_reload): Likewise.
4969         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4970         * config/sh/sh.md (casesi_worker_1): Likewise.
4971         (casesi_worker_2): Likewise.
4972         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
4973         (fcc_comparison_operator): Likewise.
4974         * config/sparc/sparc.c (sparc_expand_move): Likewise.
4975         (emit_soft_tfmode_cvt): Likewise.
4976         (sparc_preferred_simd_mode): Likewise.
4977         (output_cbranch): Likewise.
4978         (sparc_print_operand): Likewise.
4979         (sparc_expand_vec_perm_bmask): Likewise.
4980         (vector_init_bshuffle): Likewise.
4981         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
4982         (spu_vector_mode_supported_p): Likewise.
4983         (spu_expand_insv): Likewise.
4984         (spu_emit_branch_or_set): Likewise.
4985         (spu_handle_vector_attribute): Likewise.
4986         (spu_builtin_splats): Likewise.
4987         (spu_builtin_extract): Likewise.
4988         (spu_builtin_promote): Likewise.
4989         (spu_expand_sign_extend): Likewise.
4990         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
4991         (tilegx_simd_int): Likewise.
4992         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
4993         (tilepro_simd_int): Likewise.
4994         * config/v850/v850.c (const_double_split): Likewise.
4995         (v850_print_operand): Likewise.
4996         (ep_memory_offset): Likewise.
4997         * config/vax/vax.c (vax_rtx_costs): Likewise.
4998         (vax_output_int_move): Likewise.
4999         (vax_output_int_add): Likewise.
5000         (vax_output_int_subtract): Likewise.
5001         * config/visium/predicates.md (visium_branch_operator): Likewise.
5002         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
5003         (visium_print_operand_address): Likewise.
5004         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
5005         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
5006         (xtensa_expand_conditional_branch): Likewise.
5007         (xtensa_copy_incoming_a7): Likewise.
5008         (xtensa_output_literal): Likewise.
5009         * dfp.c (decimal_real_maxval): Likewise.
5010         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
5011
5012 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
5013             Alan Hayward  <alan.hayward@arm.com>
5014             David Sherwood  <david.sherwood@arm.com>
5015
5016         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
5017         (mode_nunits_inline): Likewise.
5018         (mode_inner_inline): Likewise.
5019         (mode_unit_size_inline): Likewise.
5020         (mode_unit_precision_inline): Likewise.
5021         (emit_insn_modes_h): Likewise.  Also emit a #define of the
5022         unprefixed name.
5023         (emit_mode_wider): Add an E_ prefix to mode names.
5024         (emit_mode_complex): Likewise.
5025         (emit_mode_inner): Likewise.
5026         (emit_mode_adjustments): Likewise.
5027         (emit_mode_int_n): Likewise.
5028         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
5029         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
5030         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
5031         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
5032         (CRC32_BUILTIN, ENTRY): Likewise.
5033         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
5034         (aarch64_pop_regs): Likewise.
5035         (aarch64_process_components): Likewise.
5036         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
5037         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
5038         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
5039         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
5040         * config/arm/arm.c (arm_init_libfuncs): Likewise.
5041         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
5042         Likewise.
5043         * config/i386/i386-builtin.def (pcmpestr): Likewise.
5044         (pcmpistr): Likewise.
5045         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
5046         * config/mmix/mmix.c (mmix_output_condition): Likewise.
5047         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
5048         Likewise.
5049         * config/rl78/rl78.c (mduc_regs): Likewise.
5050         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
5051         (htm_expand_builtin): Likewise.
5052         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
5053         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
5054         * config/xtensa/xtensa.c (print_operand): Likewise.
5055         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
5056         (NUM_MODE_VECTOR_INT): Likewise.
5057         * genoutput.c (null_operand): Likewise.
5058         (output_operand_data): Likewise.
5059         * genrecog.c (print_parameter_value): Likewise.
5060         * lra.c (debug_operand_data): Likewise.
5061
5062 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
5063
5064         * dwarf2out.c (scompare_loc_descriptor_wide)
5065         (scompare_loc_descriptor_narrow): New functions, split out from...
5066         (scompare_loc_descriptor): ...here.
5067         * expmed.c (emit_store_flag_int): New function, split out from...
5068         (emit_store_flag): ...here.
5069
5070 2017-08-30  Richard Biener  <rguenther@suse.de>
5071
5072         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
5073         (dwarf2out_early_finish): Move setting of AT_pubnames from
5074         early debug output to early finish.
5075
5076 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
5077
5078         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
5079         and -mdata-region to the assembler.
5080
5081 2017-08-30  Richard Biener  <rguenther@suse.de>
5082
5083         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
5084         attributes.
5085         (gen_subprogram_die): Add DW_AT_object_pointer only early.
5086         (dwarf2out_early_global_decl): Only generate a DIE for the
5087         abstract origin if it doesn't already exist or is a declaration DIE.
5088         (resolve_addr): Do not add the linkage name twice when
5089         generating a stub DIE for the DW_TAG_GNU_call_site target.
5090
5091 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
5092
5093         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5094         Use machine_mode rather than int for arg1_mode.
5095
5096 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
5097
5098         PR target/82015
5099         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
5100         that the second argument of the built-in functions to unpack
5101         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
5102         switch statement instead a lot of if statements.
5103         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
5104         Allow 64-bit values to be in Altivec registers as well as
5105         traditional floating point registers.
5106         (pack<mode>, FMOVE128_VSX iterator): Likewise.
5107
5108 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
5109
5110         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
5111         MAX_REGS_PER_ADDRESS == 1.
5112
5113 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
5114
5115         * config/i386/i386.opt (flag_fentry): Do not init to -1.
5116         * config/i386/i386.c (ix86_option_override_internal): Simplify
5117         setting of opts->x_flag_entry.
5118
5119 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5120             Jakub Jelinek  <jakub@redhat.com>
5121             Richard Biener  <rguenther@suse.de>
5122
5123         PR tree-optimization/81503
5124         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
5125         folded constant fits in the target type; reorder tests for clarity.
5126
5127 2017-08-29  Martin Liska  <mliska@suse.cz>
5128
5129         * passes.def: Include pass_lower_switch.
5130         * stmt.c (dump_case_nodes): Remove and move to
5131         tree-switch-conversion.
5132         (case_values_threshold): Likewise.
5133         (expand_switch_as_decision_tree_p): Likewise.
5134         (emit_case_decision_tree): Likewise.
5135         (expand_case): Likewise.
5136         (balance_case_nodes): Likewise.
5137         (node_has_low_bound): Likewise.
5138         (node_has_high_bound): Likewise.
5139         (node_is_bounded): Likewise.
5140         (emit_case_nodes): Likewise.
5141         (struct simple_case_node): New struct.
5142         (add_case_node): Remove.
5143         (emit_case_dispatch_table): Use vector instead of case_list.
5144         (reset_out_edges_aux): Remove.
5145         (compute_cases_per_edge): Likewise.
5146         (expand_case): Build list of simple_case_node.
5147         (expand_sjlj_dispatch_table): Use it.
5148         * tree-switch-conversion.c (struct case_node): Moved from
5149         stmt.c and adjusted.
5150         (emit_case_nodes): Likewise.
5151         (node_has_low_bound): Likewise.
5152         (node_has_high_bound): Likewise.
5153         (node_is_bounded): Likewise.
5154         (case_values_threshold): Likewise.
5155         (reset_out_edges_aux): Likewise.
5156         (compute_cases_per_edge): Likewise.
5157         (add_case_node): Likewise.
5158         (dump_case_nodes): Likewise.
5159         (balance_case_nodes): Likewise.
5160         (expand_switch_as_decision_tree_p): Likewise.
5161         (emit_jump): Likewise.
5162         (emit_case_decision_tree): Likewise.
5163         (try_switch_expansion): Likewise.
5164         (do_jump_if_equal): Likewise.
5165         (emit_cmp_and_jump_insns): Likewise.
5166         (fix_phi_operands_for_edge): New function.
5167         (record_phi_operand_mapping): Likewise.
5168         (class pass_lower_switch): New pass.
5169         (pass_lower_switch::execute): New function.
5170         (make_pass_lower_switch): Likewise.
5171         (conditional_probability):
5172         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
5173         * tree-pass.h: Add make_pass_lower_switch.
5174
5175 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
5176
5177         PR target/80993
5178         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
5179         handlers as used.
5180
5181 2017-08-29  Richard Biener  <rguenther@suse.de>
5182
5183         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
5184         we do not add a DW_AT_inline attribute twice.
5185         (gen_subprogram_die): Remove code setting DW_AT_inline on
5186         DECL_ABSTRACT_P nodes.
5187
5188 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
5189
5190         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
5191         calls to internal functions.
5192         (gimplify_modify_expr): Likewise.
5193         * tree-call-cdce.c (use_internal_fn): Likewise.
5194         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
5195         (convert_to_divmod): Set the nothrow flag.
5196         * tree-if-conv.c (predicate_mem_writes):  Likewise.
5197         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
5198         (vectorizable_call): Likewise.
5199         (vectorizable_store): Likewise.
5200         (vectorizable_load): Likewise.
5201         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
5202         (vect_recog_mask_conversion_pattern): Likewise.
5203
5204 2017-08-29  Martin Liska  <mliska@suse.cz>
5205
5206         PR other/39851
5207         * gcc.c (driver_handle_option): Add new argument.
5208         * opts-common.c (handle_option): Pass
5209         target_option_override_hook.
5210         * opts-global.c (lang_handle_option): Add new option.
5211         (set_default_handlers):  Add new argument.
5212         (decode_options): Likewise.
5213         * opts.c (target_handle_option): Likewise.
5214         (common_handle_option): Call target_option_override_hook.
5215         * opts.h (struct cl_option_handler_func): Add hook for
5216         target option override.
5217         (struct cl_option_handlers): Likewise.
5218         (set_default_handlers): Add new argument.
5219         (decode_options): Likewise.
5220         (common_handle_option): Likewise.
5221         (target_handle_option): Likewise.
5222         * toplev.c (toplev::main): Pass targetm.target_option.override
5223         hook.
5224
5225 2017-08-29  Richard Biener  <rguenther@suse.de>
5226         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
5227
5228         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
5229         life to the active subtree.
5230
5231 2017-08-28  Jeff Law  <law@redhat.com>
5232
5233         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
5234         derive_equivalences.
5235         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
5236         Code moved into....
5237         (edge_info::derive_equivalences): New private member function
5238
5239         * tree-ssa-dom.c (class edge_info): Changed from a struct
5240         to a class.  Add ctor/dtor, methods and data members.
5241         (edge_info::edge_info): Renamed from allocate_edge_info.
5242         Initialize additional members.
5243         (edge_info::~edge_info): New.
5244         (free_dom_edge_info): Delete the edge info.
5245         (record_edge_info): Use new class & associated member functions.
5246         Tighten forms for testing for edge equivalences.
5247         (record_temporary_equivalences): Iterate over the simple
5248         equivalences rather than assuming there's only one per edge.
5249         (cprop_into_successor_phis): Iterate over the simple
5250         equivalences rather than assuming there's only one per edge.
5251         (optimize_stmt): Use operand_equal_p rather than pointer
5252         equality for mini-DSE code.
5253
5254 2017-08-28  Nathan Sidwell  <nathan@acm.org>
5255
5256         * gcc.c (execute): Fold SIGPIPE handling into switch
5257         statement.  Adjust internal error message.
5258
5259 2017-08-28  Richard Biener  <rguenther@suse.de>
5260
5261         PR debug/81993
5262         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
5263         Do nothing for removed DIEs.
5264
5265 2017-08-28  Richard Biener  <rguenther@suse.de>
5266
5267         PR tree-optimization/81977
5268         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
5269         memcpy.
5270
5271 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
5272
5273         PR target/80640
5274         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
5275         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
5276         using targetm.gen_mem_thread_fence.
5277
5278 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
5279
5280         PR target/81995
5281         * config/i386/i386.md (*<btsc><mode>): Change operand 2
5282         predicate to register_operand.  Reorder operands.
5283         (*btr<mode>): Ditto.
5284         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
5285         (*btr<mode>_mask): Ditto.
5286
5287 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
5288
5289         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
5290         * config/rs6000/xmmintrin.h: New file.
5291         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
5292
5293 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5294
5295         PR target/81504
5296         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
5297         parameter and_insn and return it.
5298         (recombine_lvx_pattern): Insert a copy to ensure availability of
5299         the base register of the copied masking operation at the point of
5300         the instruction replacement.
5301         (recombine_stvx_pattern): Likewise.
5302
5303 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
5304
5305         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
5306         undocumented switches.
5307         (-mpower9-dform-vector): Likewise.
5308         (-mpower9-dform): Likewise.
5309         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
5310         comments to delete references to -mpower9-dform* switches.
5311         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
5312         Delete reference to -mpower9-dform* switches, test for
5313         -mpower9-vector instead.
5314         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
5315         (OTHER_P9_VECTOR_MASKS): Likewise.
5316         (POWERPC_MASKS): Likewise.
5317         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
5318         tests against -mpower9-dform* to -mpower9-vector.  Delete code
5319         that checked for -mpower9-dform* consistancy with other options.
5320         Add test for -mpower9-misc to enable other power9 switches.
5321         (rs6000_init_hard_regno_mode_ok): Likewise.
5322         (rs6000_option_override_internal): Likewise.
5323         (rs6000_emit_prologue): Likewise.
5324         (rs6000_emit_epilogue): Likewise.
5325         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
5326         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
5327         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
5328         -mpower9-vector.
5329         (emit_fusion_p9_store): Likewise.
5330         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
5331         resetting these macros if the assembler does not support ISA 3.0
5332         instructions.
5333         (TARGET_P9_DFORM_VECTOR): Likewise.
5334         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
5335         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
5336
5337 2017-08-25  Alan Modra  <amodra@gmail.com>
5338
5339         PR rtl-optimization/81747
5340         * cse.c (cse_extended_basic_block): Don't attempt to record
5341         equivalences for degenerate conditional branches that branch
5342         to their fall-through.
5343
5344 2017-08-24  Martin Sebor  <msebor@redhat.com>
5345
5346         PR middle-end/81908
5347         * gimple-fold.c (size_must_be_zero_p): New function.
5348         (gimple_fold_builtin_memory_op): Call it.
5349
5350 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
5351
5352         * config/rs6000/mm_malloc.h: New file.
5353
5354 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
5355
5356         PR tree-optimization/81913
5357         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
5358         analysis when either IVs in condition can wrap.
5359
5360 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
5361
5362         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
5363         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
5364
5365 2017-08-24  Richard Biener  <rguenther@suse.de>
5366
5367         PR target/81921
5368         * targhooks.c (default_target_can_inline_p): Properly
5369         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
5370         is present and always compare.
5371         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
5372         infer -mfpmath=sse from TARGET_SSE_P.
5373         (ix86_can_inline_p): Properly use target_option_default_node when
5374         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
5375
5376 2017-08-24  Richard Biener  <rguenther@suse.de>
5377
5378         PR debug/81936
5379         * dwarf2out.c (output_die): Handle flag_generate_offload like
5380         flag_generate_lto.
5381         (output_comp_unit): Likewise.
5382         (gen_array_type_die): Likewise.
5383         (dwarf2out_early_finish): Likewise.
5384         (note_variable_value_in_expr): Likewise.
5385         (dwarf2out_finish): Likewise.  Adjust assert.
5386         * cgraphunit.c (symbol_table::compile): Move setting of
5387         flag_generate_offload earlier ...
5388         (symbol_table::finalize_compilation_unit): ... here, before
5389         early debug finalization.
5390
5391 2017-08-24  Richard Biener  <rguenther@suse.de>
5392
5393         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
5394         and ipa-fnsummary.h.
5395         (ix86_can_inline_p): When ix86_fpmath flags do not match
5396         check whether the callee uses FP math at all.
5397
5398 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
5399
5400         PR middle-end/81931
5401         * tree-ssanames.c (get_nonzero_bits): Use element_precision
5402         instead of TYPE_PRECISION.
5403
5404 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
5405             Alan Hayward  <alan.hayward@arm.com>
5406             David Sherwood  <david.sherwood@arm.com>
5407
5408         * combine.c (make_extraction): Use subreg_offset_from_lsb.
5409
5410 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
5411
5412         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
5413         Remove field.
5414         (ix86_frame::stack_realign_allocate): New field.
5415         (struct machine_frame_state): Modify comments.
5416         (machine_frame_state::sp_realigned_fp_end): New field.
5417         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
5418         layout calculation.
5419         (sp_valid_at): Add assertion to assure no attempt to access invalid
5420         offset of a realigned stack.
5421         (fp_valid_at): Likewise.
5422         (choose_baseaddr): Modify comments.
5423         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
5424         ix86_expand_prologue.
5425         (ix86_expand_prologue): Modify stack realignment and allocation.
5426         (ix86_expand_epilogue): Modify comments.
5427         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
5428         avx2_runtime, avx512f, and avx512f_runtime.
5429
5430 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
5431
5432         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
5433         (mstackrealign): Do not init to -1.
5434         * config/i386/i386.c (ix86_option_override_internal):
5435         Check opts_set, not opts when setting default value of
5436         opts->x_ix86_force_align_arg_pointer.
5437
5438 2017-08-23  Richard Biener  <rguenther@suse.de>
5439
5440         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
5441         lang_hooks.decl_printable_name.
5442         * print-rtl-function.c (print_rtx_function): Likewise.
5443         * tree-pretty-print.c (dump_function_header): Likewise.
5444
5445 2017-08-23  Richard Biener  <rguenther@suse.de>
5446
5447         PR lto/81940
5448         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
5449         -g0 at compile-time.
5450
5451 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
5452
5453         PR middle-end/19706
5454         * doc/sourcebuild.texi (Other hardware attributes):
5455         Document xorsign.
5456
5457 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
5458
5459         PR middle-end/19706
5460         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
5461         Fix single-use check.
5462
5463 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5464
5465         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
5466
5467 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
5468
5469         * doc/install.texi: Modify to add more details on running selected
5470         tests.
5471
5472 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
5473
5474         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
5475         is combined with -mabi=ms.
5476         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
5477         ms_abi.
5478
5479 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5480
5481         PR tree-optimization/81488
5482         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
5483         and cached_basis fields.
5484         (MAX_SPREAD): New constant.
5485         (alloc_cand_and_find_basis): Initialize new fields.
5486         (clear_visited): New function.
5487         (create_phi_basis_1): Rename from create_phi_basis, set visited
5488         and cached_basis fields.
5489         (create_phi_basis): New wrapper function.
5490         (phi_add_costs_1): Rename from phi_add_costs, add spread
5491         parameter, set visited field, short-circuit when limits reached.
5492         (phi_add_costs): New wrapper function.
5493         (record_phi_increments_1): Rename from record_phi_increments, set
5494         visited field.
5495         (record_phi_increments): New wrapper function.
5496         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
5497         (phi_incr_cost): New wrapper function.
5498         (all_phi_incrs_profitable_1): Rename from
5499         all_phi_incrs_profitable, set visited field.
5500         (all_phi_incrs_profitable): New wrapper function.
5501
5502 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
5503             Alan Hayward  <alan.hayward@arm.com>
5504             David Sherwood  <david.sherwood@arm.com>
5505
5506         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
5507         that takes the outer and inner modes.
5508         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
5509         comparison as the canonical test for a paradoxical subreg.
5510         * combine.c (simplify_set): Use paradoxical_subreg_p.
5511         (make_extraction): Likewise.
5512         (force_to_mode): Likewise.
5513         (rtx_equal_for_field_assignment_p): Likewise.
5514         (gen_lowpart_for_combine): Likewise.
5515         (simplify_comparison): Likewise.
5516         * cse.c (equiv_constant): Likewise.
5517         * expmed.c (store_bit_field_1): Likewise.
5518         * final.c (alter_subreg): Likewise.
5519         * fwprop.c (propagate_rtx): Likewise.
5520         (forward_propagate_subreg): Likewise.
5521         * ira-conflicts.c (ira_build_conflicts): Likewise.
5522         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
5523         * lra-constraints.c (curr_insn_transform): Likewise.
5524         (split_reg): Likewise.
5525         * lra-eliminations.c (move_plus_up): Likewise.
5526         (lra_eliminate_regs_1): Likewise.
5527         * recog.c (general_operand): Likewise.
5528         * ree.c (combine_reaching_defs): Likewise.
5529         * reload.c (push_reload): Likewise.
5530         (find_reloads): Likewise.
5531         * reload1.c (elimination_effects): Likewise.
5532         (compute_reload_subreg_offset): Likewise.
5533         (choose_reload_regs): Likewise.
5534         * rtlanal.c (subreg_lsb_1): Likewise.
5535         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
5536         (simplify_subreg): Likewise.
5537         * var-tracking.c (track_loc_p): Likewise.
5538         * emit-rtl.c (byte_lowpart_offset): Likewise.
5539         (paradoxical_subreg_p): Delete out-of-line definition.
5540
5541 2017-08-22  Jeff Law  <law@redhat.com>
5542
5543         PR tree-optimization/81741
5544         PR tree-optimization/71947
5545         * tree-ssa-dom.c: Include tree-inline.h.
5546         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
5547         equivalences if one is more expensive to compute than the other.
5548         * tree-ssa-scopedtables.h (class const_or_copies): Make
5549         record_const_or_copy_raw method private.
5550         (class avail_exprs_stack): New method simplify_binary_operation.
5551         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
5552         avail_exprs_stack::simplify_binary_operation as needed.
5553         (avail_exprs_stack::simplify_binary_operation): New function.
5554
5555 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5556
5557         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
5558         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
5559         (DOT_SYMBOLS): Likewise.
5560         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5561         (RELOCATABLE_NEEDS_FIXUP): Likewise.
5562         (RS6000_ABI_NAME): Likewise.
5563         (TARGET_CMODEL): Likewise.
5564         (TOC_SECTION_ASM_OP): Likewise.
5565         (SET_CMODEL): New macro.
5566         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
5567
5568 2017-08-22  Richard Biener  <rguenther@suse.de>
5569
5570         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
5571         to allow for free-lang-data replacements similar to verify_type_variant.
5572
5573 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
5574             Alan Hayward  <alan.hayward@arm.com>
5575             David Sherwood  <david.sherwood@arm.com>
5576
5577         * config/aarch64/aarch64.md (casesi): Use DImode rather than
5578         VOIDmode for the LABEL_REF.
5579
5580 2017-08-22  Richard Biener  <rguenther@suse.de>
5581
5582         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
5583
5584 2017-08-22  Richard Biener  <rguenther@suse.de>
5585
5586         * common.opt (feliminate-dwarf2-dups): Ignore.
5587         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
5588         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
5589         same_die_p_wrap, compute_section_prefix,
5590         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
5591         (comdat_symbol_id, comdat_symbol_number): Likewise.
5592         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
5593         Likewise.
5594         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
5595         (output_die): Mark unreachable path unreachable.
5596         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
5597         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
5598         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
5599         (dwarf2out_early_finish): Likewise.
5600
5601 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
5602
5603         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
5604
5605 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
5606
5607         PR target/81910
5608         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
5609         not VAR_P. Filter attribute warnings with OPT_Wattributes.
5610         (avr_attribute_table) <io, io_low, address>: Initialize
5611         .decl_required with true.
5612
5613 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
5614
5615         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
5616         undocumented debugging options.
5617         (-mvsx-scalar-double): Likewise.
5618         (-mallow-df-permute): Likewise.
5619         (-mvectorize-builtins): Likewise.
5620         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
5621         (rs6000_builtin_vectorized_function): Likewise.
5622         (rs6000_builtin_md_vectorized_function): Likewise.
5623         (rs6000_opt_vars): Likewise.
5624
5625 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
5626
5627         PR target/46091
5628         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
5629         (*btrq_imm): Rename from *btrq.
5630         (*btcq_imm): Rename from *btcq.
5631         (btsc): New code attribute.
5632         (*<btsc><mode>): New insn pattern.
5633         (*btr<mode>): Ditto.
5634         (*<btsc><mode>_mask): New insn_and_split pattern.
5635         (*btr<mode>_mask): Ditto.
5636
5637 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5638             Alan Hayward  <alan.hayward@arm.com>
5639             David Sherwood  <david.sherwood@arm.com>
5640
5641         * function.c (pad_below): Simplify padding calculation.
5642
5643 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5644             Alan Hayward  <alan.hayward@arm.com>
5645             David Sherwood  <david.sherwood@arm.com>
5646
5647         * target.def (function_prologue): Remove frame size argument.
5648         (function_epilogue): Likewise.
5649         * doc/tm.texi: Regenerate.
5650         * final.c (final_start_function): Update call to function_prologue.
5651         (final_end_function): Update call to function_epilogue.
5652         (default_function_pro_epilogue): Remove frame size argument.
5653         * output.h (default_function_pro_epilogue): Likewise.
5654         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
5655         (arm_output_function_prologue): Likewise.
5656         * config/frv/frv.c (frv_function_prologue): Likewise.
5657         (frv_function_epilogue): Likewise.
5658         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
5659         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
5660         (ia64_output_function_epilogue): Likewise.
5661         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
5662         (m32r_output_function_epilogue): Likewise.
5663         * config/microblaze/microblaze.c (microblaze_function_prologue)
5664         (microblaze_function_epilogue): Likewise.
5665         * config/mips/mips.c (mips_output_function_prologue): Likewise.
5666         (mips_output_function_epilogue): Likewise.
5667         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
5668         (mmix_target_asm_function_epilogue): Likewise.
5669         * config/msp430/msp430.c (msp430_start_function): Likewise.
5670         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
5671         (nds32_asm_function_epilogue): Likewise.
5672         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
5673         * config/pa/pa.c (pa_output_function_prologue): Likewise.
5674         (pa_output_function_epilogue): Likewise.
5675         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
5676         (rs6000_output_function_epilogue): Likewise.
5677         * config/rl78/rl78.c (rl78_start_function): Likewise.
5678         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
5679         (rs6000_output_function_epilogue): Likewise.
5680         * config/rx/rx.c (rx_output_function_prologue): Likewise.
5681         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
5682         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
5683         (sparc_asm_function_epilogue): Likewise.
5684
5685 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5686
5687         * tree.h (type_has_mode_precision_p): New function.
5688         * convert.c (convert_to_integer_1): Use it.
5689         * expr.c (expand_expr_real_2): Likewise.
5690         (expand_expr_real_1): Likewise.
5691         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
5692         * match.pd: Likewise.
5693         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
5694         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
5695         * tree-tailcall.c (process_assignment): Likewise.
5696         * tree-vect-loop.c (vectorizable_reduction): Likewise.
5697         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
5698         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
5699         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
5700         (vectorizable_assignment): Likewise.
5701         (vectorizable_shift): Likewise.
5702         (vectorizable_operation): Likewise.
5703         * tree-vrp.c (register_edge_assert_for_2): Likewise.
5704
5705 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
5706
5707         * match.pd: Add pow (C, x) simplification.
5708
5709 2017-08-21  Richard Biener  <rguenther@suse.de>
5710
5711         PR tree-optimization/81900
5712         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
5713         for blocks with abnormal predecessors.
5714         (compute_antic): Do not set visited flag prematurely.
5715
5716 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
5717
5718         PR target/79883
5719         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
5720
5721 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5722
5723         * stor-layout.h (vector_type_mode): Move to...
5724         * tree.h (vector_type_mode): ...here.
5725         * stor-layout.c (vector_type_mode): Move to...
5726         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
5727
5728 2017-08-21  Richard Biener  <rguenther@suse.de>
5729
5730         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
5731         register_external_die hooks.
5732         (debug_false_tree_charstarstar_uhwistar): Declare.
5733         (debug_nothing_tree_charstar_uhwi): Likewise.
5734         * debug.c (do_nothing_debug_hooks): Adjust.
5735         (debug_false_tree_charstarstar_uhwistar): New do nothing.
5736         (debug_nothing_tree_charstar_uhwi): Likewise.
5737         * dbxout.c (dbx_debug_hooks): Adjust.
5738         (xcoff_debug_hooks): Likewise.
5739         * sdbout.c (sdb_debug_hooks): Likewise.
5740         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
5741         * dwarf2out.c (macinfo_label_base): New global.
5742         (dwarf2out_register_external_die): New function for the
5743         register_external_die hook.
5744         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
5745         (dwarf2_debug_hooks): Use them.
5746         (dwarf2_lineno_debug_hooks): Adjust.
5747         (struct die_struct): Add with_offset flag.
5748         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
5749         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
5750         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
5751         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
5752         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
5753         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
5754         defining section names for the early LTO debug variants.
5755         (reset_indirect_string): New helper.
5756         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
5757         (print_dw_val): Add support for offsetted symbol references.
5758         (get_ultimate_context): Split out from is_cxx.
5759         (is_cxx): Use get_ultimate_context.
5760         (is_fortran): Add decl overload.
5761         (compute_comp_unit_symbol): Split out worker from
5762         compute_section_prefix.
5763         (compute_section_prefix): Call compute_comp_unit_symbol and
5764         set comdat_type_p here.
5765         (output_die): Skip DIE symbol output for the LTO added one.
5766         Handle DIE symbol references with offset.
5767         (output_comp_unit): Guard section name mangling properly.
5768         For LTO debug sections emit a symbol at the section beginning
5769         which we use to refer to its DIEs.
5770         (add_abstract_origin_attribute): For DIEs registered via
5771         dwarf2out_register_external_die directly refer to the early
5772         DIE rather than indirectly through the shadow one we created.
5773         Remove obsolete call to dwarf2out_abstract_function for
5774         non-function/block origins.
5775         (gen_array_type_die): When generating early LTO debug do
5776         not emit DW_AT_string_length.
5777         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
5778         late when in LTO.  As suggested place a gcc_unreachable for
5779         the DECL_ABSTRACT_P case.
5780         (gen_subprogram_die): Avoid another specification DIE
5781         for early built declarations/definitions for the late LTO case.
5782         (gen_variable_die): Add type references for late duplicated VLA dies
5783         when in late LTO.
5784         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
5785         we have the abstract instance already.
5786         (process_scope_var): Adjust decl DIE contexts in LTO which
5787         first puts them in limbo.
5788         (gen_decl_die): Do not generate type DIEs late apart from
5789         types for VLAs or for decls we do not yet have a DIE.  Do not
5790         call dwarf2out_abstract_function late.
5791         (dwarf2out_early_global_decl): Make sure to create DIEs
5792         for abstract instances of a decl first.
5793         (dwarf2out_late_global_decl): Adjust comment.
5794         (output_macinfo_op): With multiple macro sections use
5795         macinfo_label_base to distinguish labels.
5796         (output_macinfo): Likewise.  Update macinfo_label_base.
5797         Pass in the line info label.
5798         (note_variable_value_in_expr): When generating LTO resolve
5799         all variable values here by generating DIEs as needed.
5800         (init_sections_and_labels): Add early LTO debug flag parameter
5801         and generate different sections and names if set.  Add generation
5802         counter for the labels so we can have multiple of them.
5803         (reset_dies): Helper to allow DIEs to be output multiple times.
5804         (dwarf2out_finish): When outputting DIEs to the fat part of an
5805         LTO object first reset DIEs.
5806         (dwarf2out_early_finish): Output early DIEs when generating LTO.
5807         (modified_type_die): Check for decl_ultimate_origin being self
5808         before recursing.
5809         (gen_type_die_with_usage): Likewise.
5810         (gen_typedef_die): Allow decl_ultimate_origin being self.
5811         (set_decl_abstract_flags): Remove.
5812         (set_block_abstract_flags): Likewise.
5813         (dwarf2out_abstract_function): Treat the early generated DIEs
5814         as the abstract copy and only add DW_AT_inline and
5815         DW_AT_artificial here and call set_decl_origin_self.
5816         If the DIE has an abstract origin don't do anything.
5817         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
5818         if we have none yet (Go fails to build one, PR78628).
5819         (variably_modified_type_p): Prevent endless recursion for Ada
5820         cyclic pointer types.
5821         * lto-streamer-in.c: Include debug.h.
5822         (dref_queue): New global.
5823         (lto_read_tree_1): Stream in DIE references.
5824         (lto_input_tree): Register DIE references.
5825         (input_function): Stream DECL_DEBUG_ARGS.
5826         * lto-streamer-out.c: Include debug.h.
5827         (lto_write_tree_1): Output DIE references.
5828         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
5829         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
5830         (output_function): Stream DECL_DEBUG_ARGS.
5831         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
5832         Stream DECL_ABSTRACT_ORIGIN.
5833         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
5834         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
5835         DECL_CONTEXT for file-scope decls.
5836         * lto-streamer.h (struct dref_entry): Declare.
5837         (dref_queue): Likewise.
5838         * cfgexpand.c (pass_expand::execute): Do not call the
5839         outlining_inline_function hook here.
5840         * lto-wrapper.c (debug_obj): New global.
5841         (tool_cleanup): Unlink it if required.
5842         (debug_objcopy): New function.
5843         (run_gcc): Handle early debug sections in the IL files by
5844         extracting them to separate files, partially linkin them and
5845         feeding the result back as result to the linker.
5846         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
5847         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
5848         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
5849         sections into a separate segment.
5850         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
5851         segments.
5852         (darwin_asm_dwarf_section): Likewise.
5853         (darwin_asm_output_dwarf_offset): Likewise.
5854         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
5855
5856 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5857             Alan Hayward  <alan.hayward@arm.com>
5858             David Sherwood  <david.sherwood@arm.com>
5859
5860         * read-md.h (md_reader::record_potential_iterator_use): Replace
5861         pointer argument with an rtx and an index.
5862         * read-rtl.c (iterator_group::apply_iterator): Likewise.
5863         (apply_mode_iterator): Likewise.
5864         (apply_code_iterator): Likewise.
5865         (apply_int_iterator): Likewise.
5866         (apply_subst_iterator): Likewise.
5867         (record_iterator_use): Likewise.
5868         (record_attribute_use): Likewise.
5869         (md_reader::record_potential_iterator_use): Likewise.  Update calls
5870         to record_iterator_use and apply_iterator.
5871         (iterator_use): Replace ptr with x and index.
5872         (attribute_use): Likewise.
5873         (apply_attribute_uses): Update calls to apply_iterator.
5874         (apply_iterators): Likewise.  Update initialization of iterator_use.
5875         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
5876         and record_potential_iterator_use.
5877         (rtx_reader::read_rtx_operand): Likewise.
5878
5879 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5880             Alan Hayward  <alan.hayward@arm.com>
5881             David Sherwood  <david.sherwood@arm.com>
5882
5883         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
5884         CONST_WIDE_INT.
5885
5886 2017-08-21  Richard Biener  <rguenther@suse.de>
5887
5888         PR middle-end/81884
5889         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
5890         at struct end conservatively when comparing common bases.
5891
5892 2017-08-21  Richard Biener  <rguenther@suse.de>
5893
5894         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
5895         (mem_ref_in_stmt): Remove.
5896         (determine_max_movement): Use ref index to get at the reference.
5897         (invariantness_dom_walker::before_dom_children): Deal with
5898         lim data already initialized.
5899         (gather_mem_refs_stmt): Initialize lim data and record ref index.
5900
5901 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5902
5903         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
5904         (TARGET_ISA_ROUND): Ditto.
5905         (TARGET_ROUND): Ditto.
5906         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
5907         * config/i386/i386.md: Ditto.
5908         * config/i386/sse.md: Ditto.
5909         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
5910         with OPTION_MASK_ISA_SSE4_1.
5911
5912 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5913
5914         PR target/81894
5915         * doc/extend.texi (x86 Built-in Functions): Correct the name of
5916         __builtin_ia32_lzcnt_u16.
5917
5918 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
5919
5920         PR target/80210
5921         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
5922         (rs6000_set_current_function): Rewrite function to use it.
5923
5924 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
5925
5926         PR c/53037
5927         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
5928         and TYPE_WARN_IF_NOT_ALIGN.
5929         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
5930         (handle_warn_if_not_align): New.
5931         (place_union_field): Call handle_warn_if_not_align.
5932         (place_field): Call handle_warn_if_not_align.
5933         Copy TYPE_WARN_IF_NOT_ALIGN.
5934         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
5935         (layout_type): Likewise.
5936         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
5937         spare to 18.
5938         (tree_decl_common): Add warn_if_not_align.
5939         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
5940         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
5941         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
5942         (DECL_WARN_IF_NOT_ALIGN): Likewise.
5943         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
5944         * doc/extend.texi: Document warn_if_not_aligned attribute.
5945         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
5946
5947 2017-08-17  Martin Liska  <mliska@suse.cz>
5948
5949         PR bootstrap/81864
5950         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
5951         (get_data_dependence): Use it as pointer type.
5952         (distribute_loop): Likewise.
5953
5954 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5955
5956         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
5957         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
5958         (p8_vmrgow_<mode>_direct): New define_insn.
5959         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
5960         handle endianness for vmrgew and vmrgow permute patterns.
5961
5962 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5963
5964         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
5965         * config/rs6000/rs6000-cpus.def: Remove comment.
5966         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
5967         (POWERPC_MASKS): Likewise.
5968         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
5969         use of TARGET_VSX_TIMODE.
5970         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
5971         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
5972         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
5973         (rs6000_option_override_internal): Remove dead code.
5974         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
5975         (rs6000_legitimize_reload_address): Likewise.
5976         (rs6000_legitimate_address_p): Likewise.
5977         (rs6000_opt_masks): Delete "vsx-timode".
5978         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
5979         from function comment.
5980         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
5981         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
5982         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
5983         condition.
5984         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
5985         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
5986         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
5987         (VSX_TI): Likewise.
5988         (VSX_M): Likewise.
5989         (define_peephole2): Likewise.
5990
5991 2017-08-17  Martin Sebor  <msebor@redhat.com>
5992
5993         PR c/81859
5994         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
5995         past the end of an array.
5996         (test_pp_format): Add test cases.
5997
5998 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
5999
6000         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
6001         missing ECF_NOTHROW flags.
6002
6003 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
6004
6005         PR target/72804
6006         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
6007         operands residing in integer registers.
6008         (*vsx_le_perm_load_<mode>): Likewise.
6009         (*vsx_le_perm_store_<mode>): Likewise.
6010         (define_peephole2): Add peepholes to optimize the above.
6011
6012 2017-08-17  Marek Polacek  <polacek@redhat.com>
6013
6014         PR middle-end/81814
6015         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
6016         to mimic what shorten_compare did.  Change the return type to bool.
6017         (fold_cond_expr_with_comparison): Update call to
6018         operand_equal_for_comparison_p.
6019         (fold_ternary_loc): Likewise.
6020
6021 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
6022
6023         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
6024         register.
6025         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
6026
6027 2017-08-17  Richard Biener  <rguenther@suse.de>
6028
6029         * tree-ssa-structalias.c (solve_graph): When propagating
6030         to successors update the graphs succ edges and avoid duplicate work.
6031
6032 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
6033
6034         PR target/81861
6035         * config/i386/i386.c (ix86_option_override_internal): Save target
6036         specific options after ix86_stack_protector_guard_reg was changed.
6037
6038 2017-08-17  Richard Biener  <rguenther@suse.de>
6039
6040         PR tree-optimization/81827
6041         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
6042         (new_var_info): Initialize it conservatively.
6043         (get_call_vi): Mark register vars.
6044         (new_scalar_tmp_constraint_exp): Likewise.
6045         (handle_rhs_call): Likewise.
6046         (handle_const_call): Likewise.
6047         (create_function_info_for): Likewise.
6048         (solve_constraints): Sort varinfos to separate register from
6049         non-register vars to pack points-to solution bitmaps during
6050         iteration.
6051
6052 2017-08-17  Marek Polacek  <polacek@redhat.com>
6053
6054         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
6055
6056 2017-08-17  Richard Biener  <rguenther@suse.de>
6057
6058         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
6059         to true when overflow is undefined and we saturated the result.
6060
6061 2017-08-17  Alan Modra  <amodra@gmail.com>
6062
6063         PR target/80938
6064         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
6065         Don't use store multiple if only one reg needs saving.
6066         (interesting_frame_related_regno): New function.
6067         (rs6000_frame_related): Don't emit frame info for regs that
6068         don't need saving.
6069         (rs6000_emit_epilogue): Likewise.
6070
6071 2017-08-16  Nathan Sidwell  <nathan@acm.org>
6072
6073         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
6074         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
6075         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
6076         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
6077         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
6078         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
6079         (verify_type): Adjust for TYPE_BINFO move.
6080         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
6081         process TYPE_BINFO directly.
6082         (hash_tree): Likewise.
6083         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
6084         Likewise.
6085         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
6086         Likewise.
6087
6088 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
6089
6090         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
6091
6092 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
6093
6094         PR target/46091
6095         * config/i386/i386.md (*anddi_1_btr): Change predicates of
6096         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
6097         Add ix86_binary_operator_ok to insn constraint.
6098         (*iordi_1_bts): Ditto.
6099         (*xordi_1_btc): Ditto.
6100         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
6101         Update corresponding peephole2 pattern.
6102         (*btrq): Ditto.
6103         (*btcq): Ditto.
6104
6105 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
6106
6107         PR tree-optimization/81832
6108         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
6109         copy loop header which has IFN_LOOP_DIST_ALIAS call.
6110
6111 2017-08-16  Marek Polacek  <polacek@redhat.com>
6112
6113         PR middle/81695
6114         * fold-const.c (fold_indirect_ref_1): Restore original behavior
6115         regarding size_zero_node.
6116
6117 2017-08-16  Martin Liska  <mliska@suse.cz>
6118
6119         PR target/81753
6120         * config.gcc: Respect previously set extra_objs in case
6121         of darwin target.
6122
6123 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
6124
6125         PR tree-optimization/81835
6126         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
6127         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
6128         not depend on the phi.
6129
6130 2017-08-16  Alan Modra  <amodra@gmail.com>
6131
6132         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
6133         dead code.
6134
6135 2017-08-16  Alan Modra  <amodra@gmail.com>
6136
6137         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
6138         (save_reg_p): ..into this.  Update all callers.
6139         (first_reg_to_save): Simplify.
6140
6141 2017-08-16  Alan Modra  <amodra@gmail.com>
6142
6143         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
6144         fixed regs.
6145
6146 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
6147
6148         PR target/78460
6149         PR target/67712
6150         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
6151         constant count if that count is less than 32.
6152
6153 2017-08-15  Nathan Sidwell  <nathan@acm.org>
6154
6155         * gcc.c (execute): Emit friendlier message if inferior is killed
6156         by an external cause.
6157
6158 2017-08-15  Richard Biener  <rguenther@suse.de>
6159
6160         PR tree-optimization/81790
6161         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
6162         CONSTRUCTORs from simplifying and VN.
6163
6164 2017-08-14  Martin Sebor  <msebor@redhat.com>
6165
6166         * builtin-attrs.def: Add comments.
6167
6168 2017-08-14  Martin Sebor  <msebor@redhat.com>
6169
6170         PR c/81117
6171         * doc/extend.texi (attribute nonstring): Document new attribute.
6172
6173 2017-08-14  Martin Sebor  <msebor@redhat.com>
6174
6175         PR c/81117
6176         * tree-diagnostic.c (default_tree_printer): Handle %G.
6177         * gimple-pretty-print.h (percent_G_format): Declare new function.
6178         * gimple-pretty-print.c (percent_G_format): Define.
6179         * tree-pretty-print.c (percent_K_format): Add argument.
6180
6181 2017-08-14  Martin Sebor  <msebor@redhat.com>
6182
6183         PR translation/79998
6184         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
6185         Remove a stray space.
6186
6187 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
6188
6189         PR target/46091
6190         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
6191         (*iordi_1_bts): Ditto.
6192         (*xordi_1_btc): Ditto.
6193
6194 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6195
6196         PR target/79845
6197         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
6198         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6199         Likewise.
6200         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
6201         quoted strings, and make more translator-friendly.
6202         (darwin_rs6000_override_options): Likewise.
6203         (rs6000_option_override_internal): Likewise.
6204         (rs6000_return_in_memory): Fix overlong line.
6205         (init_cmulative_args): Use quoted strings, and make more
6206         translator-friendly.
6207         (rs6000_pass_by_reference): Fix overlong line.
6208         (def_builtin): Use quoted strings.
6209         (altivec_expand_predicate_builtin): Use quoted strings, and make
6210         more translator-friendly.
6211         (htm_expand_builtin): Use quoted strings.
6212         (cpu_expand_builtin): Use quoted strings, and make more
6213         translator-friendly.
6214         (altivec_expand_builtin): Likewise.
6215         (paired_expand_predicate_builtin): Likewise.
6216         (rs6000_invalid_builtin): Likewise.
6217         (builtin_function_type): Use quoted strings.
6218         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
6219         more translator-friendly.
6220         (rs6000_trampoline_init): Likewise.
6221         (rs6000_handle_altivec_attribute): Likewise.
6222         (rs6000_inner_target_options): Use quoted strings.
6223         (rs6000_disable_incompatible_switches): Likewise.
6224         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
6225         strings, and make more translator-friendly.
6226         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
6227
6228 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
6229
6230         PR tree-optimization/81799
6231         * tree-loop-distribution.c (version_loop_by_alias_check): Force
6232         cond_expr to simple gimple operand.
6233
6234 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
6235
6236         PR middle-end/46932
6237         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
6238
6239 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
6240
6241         PR target/81754
6242         PR target/81268
6243         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
6244         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
6245         TARGET_GASISR_PROLOGUES.
6246         * config/avr/avr.c (avr_option_override): Same.
6247         (avr_pass_pre_proep::execute): Same.
6248
6249 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
6250
6251         PR target/81820
6252         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
6253         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
6254
6255 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
6256
6257         * config/i386/i386.md (*load_tp_<mode>): Redefine as
6258         define_insn_and_split.  Split to a memory load from 0 in
6259         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
6260         using PTR mode iterator.
6261         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
6262         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
6263         (*add_tp_<mode>): Redefine as define_insn_and_split.
6264         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
6265         address space.  Merge with *add_tp_x32 using PTR mode iterator.
6266         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
6267         Split to an add with a  memory load from 0 in
6268         DEFAULT_TLS_SEG_REG address space.
6269
6270 2017-08-12  Andrew Pinski  <apinski@cavium.com>
6271
6272         * config/aarch64/aarch64-option-extensions.def (rdma):
6273         Fix feature string to what Linux prints out in /proc/cpuinfo.
6274
6275 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
6276
6277         PR ada/79542
6278         * dwarf2out.c (modified_type_die): For C typedef types that have
6279         an ultimate origin, process the ultimate origin instead of the
6280         input type.
6281         (gen_typedef_die): Assert that input DECLs have no ultimate
6282         origin.
6283         (gen_type_die_with_usage): For typedef variants that have an
6284         ultimate origin, just call gen_decl_die on the original DECL.
6285         (process_scope_var): Avoid creating DIEs for local typedefs and
6286         concrete static variables.
6287
6288 2017-08-12  Alan Modra  <amodra@gmail.com>
6289
6290         PR target/81170
6291         PR target/81295
6292         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
6293         match gnu-user.h startfile.
6294         (ENDFILE_LINUX_SPEC): Similarly.
6295
6296 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
6297
6298         PR lto/81430
6299         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
6300         Remove function.
6301         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
6302
6303 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
6304         * config/aarch64/aarch64.md (mov<mode>): Change.
6305         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
6306         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
6307         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
6308
6309 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
6310
6311         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
6312         for storage order barriers.
6313
6314 2017-08-11  Martin Liska  <mliska@suse.cz>
6315
6316         PR tree-opt/79987
6317         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
6318         variables of void type.
6319
6320 2017-08-11  Martin Liska  <mliska@suse.cz>
6321
6322         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
6323         TARGET_SUPPORTS_ALIASES.
6324         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
6325         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
6326         (optimize_weakref): Likewise.
6327         * symtab.c (symtab_node::noninterposable_alias): Likewise.
6328         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
6329         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
6330
6331 2017-08-11  Martin Liska  <mliska@suse.cz>
6332
6333         PR ipa/81213
6334         * config/i386/i386.c (make_resolver_func): Do complete
6335         refactoring of the function.
6336
6337 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
6338
6339         PR target/81708
6340         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
6341         * config/i386/i386.c (ix86_stack_protect_guard): Use
6342         ix86_stack_protect_guard_symbol_str to generate varible declaration.
6343         * doc/invoke.texi (x86 Options): Document
6344         -mstack-protector-guard-symbol= option.
6345
6346 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
6347
6348         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
6349         * config/i386/i386.c (ix86_split_stack_guard): New function.
6350         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
6351         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
6352         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
6353         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
6354         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
6355         (split_stack_space_check): Call ix86_split_stack_guard.
6356
6357 2017-08-10  Martin Sebor  <msebor@redhat.com>
6358
6359         * print-tree.c (print_node): Print location using the established
6360         format %s:%i%i.
6361         Replace spaces with colons.
6362         (debug_raw, debug): Ditto.
6363
6364 2017-08-10  Martin Sebor  <msebor@redhat.com>
6365
6366         PR c++/81586
6367         * pretty-print.c (pp_format): Correct the handling of %s precision.
6368
6369 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
6370
6371         PR target/81736
6372         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
6373         to ...
6374         (ix86_finalize_stack_frame_flags): This.  Also clear
6375         frame_pointer_needed if -fno-omit-frame-pointer is used without
6376         stack access.
6377         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
6378         with ix86_finalize_stack_frame_flags.
6379         (ix86_expand_epilogue): Likewise.
6380         (ix86_expand_split_stack_prologue): Likewise.
6381         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
6382
6383 2017-08-10  Martin Liska  <mliska@suse.cz>
6384
6385         PR c++/81355
6386         * c-attribs.c (handle_target_attribute):
6387         Report warning for an empty string argument of target attribute.
6388
6389 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
6390
6391         PR c/81687
6392         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
6393         LABEL_DECLs.
6394         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
6395         or DECL_NONLOCAL labels.
6396         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
6397         or DECL_NONLOCAL labels here.
6398
6399 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
6400
6401         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
6402         to indicate when early gimple folding has been disabled.
6403         (rs6000_gimple_fold_builtin): Add debug content.
6404         (rs6000_invalid_builtin): Fix whitespace.
6405         (rs6000_expand_builtin): Fix whitespace.
6406         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
6407
6408 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
6409
6410         PR target/80938
6411         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
6412         SAVE_MULTIPLE if not all the registers that saves, should be saved.
6413
6414 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
6415
6416         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
6417         (qdf24xx): Likewise.
6418         * config/aarch64/aarch64.md: Include falkor.md.
6419         * config/aarch64/falkor.md: New.
6420
6421 2017-08-09  Marek Polacek  <polacek@redhat.com>
6422
6423         PR c/81233
6424         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
6425         * diagnostic.c (emit_diagnostic): Add a comment.
6426         (emit_diagnostic_valist): New function.
6427
6428 2017-08-09  Marek Polacek  <polacek@redhat.com>
6429
6430         PR c/81417
6431         * input.c (make_location): New overload.
6432         * input.h (make_location): Declare.
6433
6434 2017-08-08  Alan Modra  <amodra@gmail.com>
6435             H.J. Lu  <hongjiu.lu@intel.com>
6436
6437         PR driver/81523
6438         * gcc.c (NO_PIE_SPEC): Delete.
6439         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
6440         exclusion..
6441         (LINK_PIE_SPEC): ..to here.
6442         (LINK_COMMAND_SPEC): Support -no-pie.
6443         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
6444         chain of crtbegin*.o selection, update for PIE_SPEC changes and
6445         format.
6446         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
6447         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
6448         (ENDFILE_CRTEND_SPEC): Similarly.
6449
6450 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
6451
6452         PR target/81708
6453         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
6454         (mstack-protector-guard-offset=): Ditto.
6455         * config/i386/i386.c (ix86_option_override): Handle
6456         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
6457         options.
6458         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
6459         ix86_stack_protect_guard_offset variables.
6460         (TARGET_STACK_PROTECT_GUARD): Always define.
6461         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
6462         and -mstack-protector-guard-offset= options.
6463
6464 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
6465
6466         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
6467         boundary case for the last candidate.
6468
6469 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
6470
6471         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
6472         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
6473
6474 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
6475
6476         PR middle-end/19706
6477         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
6478         * config/aarch64/aarch64-builtins.c
6479         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
6480         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
6481         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
6482
6483 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
6484             Andrew Pinski <pinskia@gmail.com>
6485
6486         PR middle-end/19706
6487         * internal-fn.def (XORSIGN): New.
6488         * optabs.def (xorsign_optab): New.
6489         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
6490         (convert_expand_mult_copysign): New.
6491         (pass_optimize_widening_mul::execute): Call
6492         convert_expand_mult_copysign.
6493
6494 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6495
6496         PR tree-optimization/81354
6497         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
6498         Insert on edges rather than explicitly creating landing pads.
6499         (analyze_candidates_and_replace): Commit edge inserts.
6500
6501 2017-08-08  Richard Biener  <rguenther@suse.de>
6502
6503         PR middle-end/81719
6504         * tree-ssa-loop-niter.c: Include tree-dfa.h.
6505         (expand_simple_operations): Also look through ADDR_EXPRs with
6506         MEM_REF bases treating them as POINTER_PLUS_EXPR.
6507
6508 2017-08-08  Richard Biener  <rguenther@suse.de>
6509
6510         PR tree-optimization/81723
6511         * tree-vect-slp.c (struct bst_traits): New hash traits.
6512         (bst_fail): New global.
6513         (vect_build_slp_tree_2): New worker, split out from ...
6514         (vect_build_slp_tree): ... this now wrapping it with using
6515         bst_fail set to cache SLP tree build fails.  Properly handle
6516         max_tree_size.
6517         (vect_analyze_slp_instance): Allocate and free bst_fail.
6518
6519 2017-08-08  Martin Liska  <mliska@suse.cz>
6520
6521         PR tree-opt/81696
6522         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
6523         LABEL_DECLs that can be from a different function.
6524
6525 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
6526
6527         PR tree-optimization/81744
6528         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
6529         loop's number of iterations.
6530
6531 2017-08-08  Martin Liska  <mliska@suse.cz>
6532
6533         * asan.c: Include header files.
6534         * attribs.c (build_decl_attribute_variant): New function moved
6535         from tree.[ch].
6536         (build_type_attribute_qual_variant): Likewise.
6537         (cmp_attrib_identifiers): Likewise.
6538         (simple_cst_list_equal): Likewise.
6539         (omp_declare_simd_clauses_equal): Likewise.
6540         (attribute_value_equal): Likewise.
6541         (comp_type_attributes): Likewise.
6542         (build_type_attribute_variant): Likewise.
6543         (lookup_ident_attribute): Likewise.
6544         (remove_attribute): Likewise.
6545         (merge_attributes): Likewise.
6546         (merge_type_attributes): Likewise.
6547         (merge_decl_attributes): Likewise.
6548         (merge_dllimport_decl_attributes): Likewise.
6549         (handle_dll_attribute): Likewise.
6550         (attribute_list_equal): Likewise.
6551         (attribute_list_contained): Likewise.
6552         * attribs.h (lookup_attribute): New function moved from tree.[ch].
6553         (lookup_attribute_by_prefix): Likewise.
6554         * bb-reorder.c: Include header files.
6555         * builtins.c: Likewise.
6556         * calls.c: Likewise.
6557         * cfgexpand.c: Likewise.
6558         * cgraph.c: Likewise.
6559         * cgraphunit.c: Likewise.
6560         * convert.c: Likewise.
6561         * dwarf2out.c: Likewise.
6562         * final.c: Likewise.
6563         * fold-const.c: Likewise.
6564         * function.c: Likewise.
6565         * gimple-expr.c: Likewise.
6566         * gimple-fold.c: Likewise.
6567         * gimple-pretty-print.c: Likewise.
6568         * gimple.c: Likewise.
6569         * gimplify.c: Likewise.
6570         * hsa-common.c: Likewise.
6571         * hsa-gen.c: Likewise.
6572         * internal-fn.c: Likewise.
6573         * ipa-chkp.c: Likewise.
6574         * ipa-cp.c: Likewise.
6575         * ipa-devirt.c: Likewise.
6576         * ipa-fnsummary.c: Likewise.
6577         * ipa-inline.c: Likewise.
6578         * ipa-visibility.c: Likewise.
6579         * ipa.c: Likewise.
6580         * lto-cgraph.c: Likewise.
6581         * omp-expand.c: Likewise.
6582         * omp-general.c: Likewise.
6583         * omp-low.c: Likewise.
6584         * omp-offload.c: Likewise.
6585         * omp-simd-clone.c: Likewise.
6586         * opts-global.c: Likewise.
6587         * passes.c: Likewise.
6588         * predict.c: Likewise.
6589         * sancov.c: Likewise.
6590         * sanopt.c: Likewise.
6591         * symtab.c: Likewise.
6592         * toplev.c: Likewise.
6593         * trans-mem.c: Likewise.
6594         * tree-chkp.c: Likewise.
6595         * tree-eh.c: Likewise.
6596         * tree-into-ssa.c: Likewise.
6597         * tree-object-size.c: Likewise.
6598         * tree-parloops.c: Likewise.
6599         * tree-profile.c: Likewise.
6600         * tree-ssa-ccp.c: Likewise.
6601         * tree-ssa-live.c: Likewise.
6602         * tree-ssa-loop.c: Likewise.
6603         * tree-ssa-sccvn.c: Likewise.
6604         * tree-ssa-structalias.c: Likewise.
6605         * tree-ssa.c: Likewise.
6606         * tree-streamer-in.c: Likewise.
6607         * tree-vectorizer.c: Likewise.
6608         * tree-vrp.c: Likewise.
6609         * tsan.c: Likewise.
6610         * ubsan.c: Likewise.
6611         * varasm.c: Likewise.
6612         * varpool.c: Likewise.
6613         * tree.c: Remove functions moved to attribs.[ch].
6614         * tree.h: Likewise.
6615         * config/aarch64/aarch64.c: Add attrs.h header file.
6616         * config/alpha/alpha.c: Likewise.
6617         * config/arc/arc.c: Likewise.
6618         * config/arm/arm.c: Likewise.
6619         * config/avr/avr.c: Likewise.
6620         * config/bfin/bfin.c: Likewise.
6621         * config/c6x/c6x.c: Likewise.
6622         * config/cr16/cr16.c: Likewise.
6623         * config/cris/cris.c: Likewise.
6624         * config/darwin.c: Likewise.
6625         * config/epiphany/epiphany.c: Likewise.
6626         * config/fr30/fr30.c: Likewise.
6627         * config/frv/frv.c: Likewise.
6628         * config/ft32/ft32.c: Likewise.
6629         * config/h8300/h8300.c: Likewise.
6630         * config/i386/winnt.c: Likewise.
6631         * config/ia64/ia64.c: Likewise.
6632         * config/iq2000/iq2000.c: Likewise.
6633         * config/lm32/lm32.c: Likewise.
6634         * config/m32c/m32c.c: Likewise.
6635         * config/m32r/m32r.c: Likewise.
6636         * config/m68k/m68k.c: Likewise.
6637         * config/mcore/mcore.c: Likewise.
6638         * config/microblaze/microblaze.c: Likewise.
6639         * config/mips/mips.c: Likewise.
6640         * config/mmix/mmix.c: Likewise.
6641         * config/mn10300/mn10300.c: Likewise.
6642         * config/moxie/moxie.c: Likewise.
6643         * config/msp430/msp430.c: Likewise.
6644         * config/nds32/nds32-isr.c: Likewise.
6645         * config/nds32/nds32.c: Likewise.
6646         * config/nios2/nios2.c: Likewise.
6647         * config/nvptx/nvptx.c: Likewise.
6648         * config/pa/pa.c: Likewise.
6649         * config/pdp11/pdp11.c: Likewise.
6650         * config/powerpcspe/powerpcspe.c: Likewise.
6651         * config/riscv/riscv.c: Likewise.
6652         * config/rl78/rl78.c: Likewise.
6653         * config/rx/rx.c: Likewise.
6654         * config/s390/s390.c: Likewise.
6655         * config/sh/sh.c: Likewise.
6656         * config/sol2.c: Likewise.
6657         * config/sparc/sparc.c: Likewise.
6658         * config/spu/spu.c: Likewise.
6659         * config/stormy16/stormy16.c: Likewise.
6660         * config/tilegx/tilegx.c: Likewise.
6661         * config/tilepro/tilepro.c: Likewise.
6662         * config/v850/v850.c: Likewise.
6663         * config/vax/vax.c: Likewise.
6664         * config/visium/visium.c: Likewise.
6665         * config/xtensa/xtensa.c: Likewise.
6666
6667 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
6668
6669         PR target/81593
6670         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
6671         constraints since the -mupper-regs-* switches have been
6672         eliminated.
6673         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
6674         into a vector from a double word element that was extracted from
6675         another vector, and eliminate extra XXPERMDI instructions.
6676         (vsx_concat_<mode>_2): Likewise.
6677         (vsx_concat_<mode>_3): Likewise.
6678         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
6679         concat to allow optimizing inserts from previous extracts.
6680
6681 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
6682
6683         * config/i386/i386.c (ix86_stack_protect_guard): Generate
6684         memory reference to a SSP offset in TLS address space.
6685         (ix86_print_operand) <case '@'>: Remove.
6686         (ix86_print_operand_punct_valid_p): Remove '@' code.
6687         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
6688         UNSPEC_SP_TLS_TEST.
6689         (stack_tls_protect_set_<mode>): Remove.
6690         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
6691         (stack_tls_protect_test_<mode>): Remove.
6692         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
6693
6694 2017-08-07  Olivier Hainque  <hainque@adacore.com>
6695
6696         PR target/81755
6697         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
6698
6699 2017-08-07  Douglas Rupp  <rupp@adacore.com>
6700
6701         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
6702         variable was referenced as multidir in command.
6703
6704 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
6705
6706         PR c/69389
6707         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
6708         BIT_FIELD_REF.
6709
6710 2017-08-07  Martin Liska  <mliska@suse.cz>
6711
6712         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
6713         * config/rl78/rl78.c: Add include of attribs.h.
6714         * config/sh/sh.c: Likewise.
6715         * config/v850/v850.c: Likewise.
6716
6717 2017-08-07  Tom de Vries  <tom@codesourcery.com>
6718
6719         PR middle-end/78266
6720         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
6721
6722 2017-08-07  Martin Liska  <mliska@suse.cz>
6723
6724         * config/mips/mips.c: Include attribs.h.
6725
6726 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
6727
6728         PR fortran/68829
6729         * doc/invoke.texi: Document change in behvaior for -Ofast for
6730         Fortran.
6731
6732 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
6733
6734         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
6735         Use gen_frame_mem.
6736         (aarch64_pop_regs): Likewise.
6737         (aarch64_gen_load_pair): Likewise.
6738         (aarch64_save_callee_saves): Likewise.
6739         (aarch64_restore_callee_saves): Likewise.
6740
6741 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6742
6743         * config/i386/i386.c: Revert the last change.
6744
6745 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6746
6747         PR target/81736
6748         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
6749         to ...
6750         (ix86_finalize_stack_frame_flags): This.  Also clear
6751         frame_pointer_needed if -fno-omit-frame-pointer is used without
6752         stack access.
6753         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
6754         with ix86_finalize_stack_frame_flags.
6755         (ix86_expand_epilogue): Likewise.
6756         (ix86_expand_split_stack_prologue): Likewise.
6757
6758 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6759
6760         PR target/81743
6761         * config/i386/i386.c (get_builtin_code_for_version): Set priority
6762         to P_AES for Westmere.
6763
6764 2017-08-07  Jonathan Yong  <10walls@gmail.com>
6765
6766         * config/i386/mingw.opt (fset-stack-executable): Removed.
6767         * config/i386/cygming.opt (fset-stack-executable): Moved
6768         from mingw.opt.
6769         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
6770
6771 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
6772
6773         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
6774
6775 2017-08-07  Marek Polacek  <polacek@redhat.com>
6776
6777         PR middle-end/81737
6778         * fold-const.c (fold_indirect_ref_1): Check type_domain.
6779
6780 2017-08-07  Martin Liska  <mliska@suse.cz>
6781
6782         * attribs.h (canonicalize_attr_name): New function.
6783         (cmp_attribs): Move from c-format.c and adjusted.
6784         (is_attribute_p): Moved from tree.h.
6785         * tree-inline.c: Add new includes.
6786         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
6787         (private_is_attribute_p): Remove.
6788         (private_lookup_attribute): Likewise.
6789         (private_lookup_attribute_by_prefix): Simplify.
6790         (remove_attribute): Use is_attribute_p.
6791         * tree.h: Remove removed declarations.
6792
6793 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
6794
6795         PR middle-end/81698
6796         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
6797         instead of computing it in the function.  Formatting fix.
6798         (expand_case): Don't rely on default_edge being the first edge,
6799         clear it if removing it, pass default_edge to
6800         emit_case_dispatch_table.
6801         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
6802         fix.
6803
6804 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
6805
6806         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
6807         insn in the function, emit NOP after the insn.
6808
6809 2017-08-06  Tom de Vries  <tom@codesourcery.com>
6810
6811         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
6812         and element loops.
6813
6814 2017-08-06  Tom de Vries  <tom@codesourcery.com>
6815
6816         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
6817         loop.
6818
6819 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
6820
6821         PR tree-optimization/57371
6822         * match.pd: New pattern.
6823
6824 2017-08-04  Marek Polacek  <polacek@redhat.com>
6825
6826         PR middle-end/81695
6827         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
6828         perform the computation in offset_int.
6829
6830 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6831
6832         PR tree-optimization/81136
6833         * tree-vectorizer.h: Include tree-hash-traits.h.
6834         (vec_base_alignments): New typedef.
6835         (vec_info): Add a base_alignments field.
6836         (vect_record_base_alignments): Declare.
6837         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
6838         field.
6839         (DR_IS_CONDITIONAL_IN_STMT): New macro.
6840         (create_data_ref): Add an is_conditional_in_stmt argument.
6841         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
6842         the is_conditional_in_stmt field.
6843         (data_ref_loc): Add an is_conditional_in_stmt field.
6844         (get_references_in_stmt): Set the is_conditional_in_stmt field.
6845         (find_data_references_in_stmt): Update call to create_data_ref.
6846         (graphite_find_data_references_in_stmt): Likewise.
6847         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
6848         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
6849         (vect_record_base_alignment): New function.
6850         (vect_record_base_alignments): Likewise.
6851         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
6852         for nested statements even if we fail to compute a misalignment.
6853         Use pooled base alignments for unconditional references.
6854         (vect_find_same_alignment_drs): Compare base addresses instead
6855         of base objects.
6856         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
6857         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
6858
6859 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6860
6861         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
6862         Add an explicit name for the enum.  Use auto_vec for slp_instances
6863         and grouped_stores.
6864         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
6865         for all vectors.
6866         (_bb_vec_info): Add a constructor and destructor.
6867         (vinfo_for_stmt): Return NULL for uids of -1 as well.
6868         (destroy_loop_vec_info): Delete.
6869         (vect_destroy_datarefs): Likewise.
6870         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
6871         (vec_info::vec_info): New function.
6872         (vec_info::~vec_info): Likewise.
6873         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
6874         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
6875         destroy_loop_vec_info.
6876         * tree-vect-loop.c (new_loop_vec_info): Replace with...
6877         (_loop_vec_info::_loop_vec_info): ...this.
6878         (destroy_loop_vec_info): Replace with...
6879         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
6880         the stmt_vec_infos.  Leave handling of vec_info information to its
6881         destructor.  Remove explicit vector releases.
6882         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
6883         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
6884         * tree-vect-slp.c (new_bb_vec_info): Replace with...
6885         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
6886         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
6887         (destroy_bb_vec_info): Replace with...
6888         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
6889         information to its destructor.
6890         (vect_slp_analyze_bb_1): Use new and delete instead of
6891         new_bb_vec_info and destroy_bb_vec_info.
6892         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
6893         single delete.
6894
6895 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6896
6897         * tree-data-ref.h (subscript): Add access_fn field.
6898         (data_dependence_relation): Add could_be_independent_p.
6899         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
6900         (same_access_functions): Move to tree-data-ref.c.
6901         * tree-data-ref.c (ref_contains_union_access_p): New function.
6902         (access_fn_component_p): Likewise.
6903         (access_fn_components_comparable_p): Likewise.
6904         (dr_analyze_indices): Add a reference to access_fn_component_p.
6905         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
6906         DR_ACCESS_FN.
6907         (constant_access_functions): Likewise.
6908         (add_other_self_distances): Likewise.
6909         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
6910         (initialize_data_dependence_relation): Use XCNEW and remove
6911         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
6912         of access functions that have the same type.  Allow the
6913         subsequence to end with different bases in some circumstances.
6914         Record the chosen access functions in SUB_ACCESS_FN.
6915         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
6916         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
6917         (subscript_dependence_tester_1): Likewise dra and drb.
6918         (build_classic_dist_vector): Update calls accordingly.
6919         (subscript_dependence_tester): Likewise.
6920         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
6921         DDR_COULD_BE_INDEPENDENT_P.
6922         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
6923         comp_alias_ddrs instead of may_alias_ddrs.
6924         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
6925         New function.
6926         (vect_analyze_data_ref_dependence): Use it if
6927         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
6928         distance vectors if that fails.
6929         (dependence_distance_ge_vf): New function.
6930         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
6931         LOOP_VINFO_MAY_ALIAS_DDRS.
6932
6933 2017-08-04  Richard Biener  <rguenther@suse.de>
6934
6935         PR middle-end/81705
6936         * fold-const.c (fold_binary_loc): Properly restrict
6937         minus_var0 && minus_var1 case when associating undefined overflow
6938         entities.
6939
6940 2017-08-04  Tom de Vries  <tom@codesourcery.com>
6941
6942         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
6943
6944 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6945
6946         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6947         Don't start diagnostic messages with a capital letter.
6948         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6949         Likewise.
6950         (rs6000_invalid_builtin): Likewise.
6951         (rs6000_trampoline_init): Likewise.
6952
6953 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6954
6955         PR target/81621
6956         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
6957         after setting changeable df flags.
6958
6959 2017-08-03  Richard Biener  <rguenther@suse.de>
6960
6961         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
6962         up if the use is in USE - X.
6963
6964 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
6965
6966         * toplev.c (dumpfile.h): New include.
6967         (internal_error_reentered): New static function.  Use it...
6968         (internal_error_function): ...here to handle reentered internal_error.
6969
6970 2017-08-03  Richard Biener  <rguenther@suse.de>
6971
6972         PR middle-end/81148
6973         * fold-const.c (split_tree): Add minus_var and minus_con
6974         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
6975         here but always use minus_*.
6976         (associate_trees): Assert we never associate with MINUS_EXPR
6977         and NULL first operand.  Do not recurse for PLUS_EXPR operands
6978         when associating as MINUS_EXPR either.
6979         (fold_binary_loc): Track minus_var and minus_con.
6980
6981 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6982
6983         PR lto/81430
6984         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
6985         ACCEL_COMPILER, apply finish_options on
6986         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
6987
6988 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6989
6990         PR target/81662
6991         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
6992         function_entry_patch_area_size > 0.
6993
6994 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6995
6996         PR driver/81650
6997         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
6998         instead of 10??LU, perform unit multiplication in wide_int,
6999         don't change alloc_object_size_limit if the limit is larger
7000         than SSIZE_MAX.
7001
7002         PR tree-optimization/81655
7003         PR tree-optimization/81588
7004         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
7005         the case when ranges[i].low and high are 1 for unsigned type with
7006         precision 1.
7007
7008         PR middle-end/81052
7009         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
7010         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
7011
7012 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7013
7014         * tree-vrp.h: Add include guard.
7015
7016 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
7017
7018         PR target/81644
7019         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
7020         (ud2): New insn pattern.
7021         * config/i386/i386.c (ix86_expand_epilogue):
7022         For naked functions, generate ud2 instead of trap insn.
7023
7024 2017-08-02  Marek Polacek  <polacek@redhat.com>
7025
7026         PR other/81667
7027         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
7028
7029 2017-08-02  Tom de Vries  <tom@codesourcery.com>
7030             Cesar Philippidis  <cesar@codesourcery.com>
7031
7032         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
7033         Add missing edge probabilities.
7034
7035 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
7036
7037         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
7038         Correct endianness.
7039
7040 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
7041
7042         PR middle-end/79499
7043         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
7044         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
7045         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
7046         prologue_seq sequences - if any.
7047
7048 2017-08-02  Richard Biener  <rguenther@suse.de>
7049
7050         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
7051         via vectors if supported, integer extracts via punning if supported
7052         or otherwise vector extracts.
7053
7054 2017-08-02  Richard Biener  <rguenther@suse.de>
7055
7056         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
7057         into ...
7058         (bitmap_insert_into_set): ... this.
7059
7060 2017-08-02  Richard Biener  <rguenther@suse.de>
7061
7062         PR tree-optimization/81633
7063         Revert
7064         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
7065
7066         PR tree-optimization/71752
7067         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
7068
7069 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
7070
7071         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
7072         (machine_function::call_ms2sysv_pad_out): Remove field.
7073         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
7074         (ix86_compute_frame_layout): Likewise.
7075
7076 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
7077
7078         PR target/81654
7079         * config/i386/i386.c (ix86_set_func_type): Disallow naked
7080         attribute with interrupt attribute.
7081
7082 2017-08-01  Andrew Pinski  <apinski@cavium.com>
7083
7084         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
7085         BIT_INSERT_EXPR's operand 1
7086         to see if the types precision matches.
7087
7088 2017-08-01  Martin Liska  <mliska@suse.cz>
7089
7090         PR middle-end/70140
7091         * builtins.c (expand_builtin_memcpy_args): Remove.
7092         (expand_builtin_memcpy): Call newly added function
7093         expand_builtin_memory_copy_args.
7094         (expand_builtin_memcpy_with_bounds): Likewise.
7095         (expand_builtin_mempcpy): Remove last argument.
7096         (expand_builtin_mempcpy_with_bounds): Likewise.
7097         (expand_builtin_memory_copy_args): New function created from
7098         expand_builtin_mempcpy_args with small modifications.
7099         (expand_builtin_mempcpy_args): Remove.
7100         (expand_builtin_stpcpy): Remove unused argument.
7101         (expand_builtin): Likewise.
7102         (expand_builtin_with_bounds): Likewise.
7103
7104 2017-08-01  Martin Liska  <mliska@suse.cz>
7105
7106         Revert r250771
7107         Make mempcpy more optimal (PR middle-end/70140).
7108
7109 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
7110
7111         PR target/81622
7112         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
7113         __builtin_vec_cmpne verify both arguments are compatible vectors
7114         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
7115         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
7116         move computation of aligned to after checking the argument types.
7117         Formatting fixes.
7118
7119         PR target/80846
7120         * config/rs6000/vsx.md (vextract_fp_from_shorth,
7121         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
7122         calls.
7123
7124 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
7125             Doug Rupp  <rupp@adacore.com>
7126             Olivier Hainque  <hainque@adacore.com>
7127
7128         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
7129         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
7130         arm8 (arch v4).
7131         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
7132         for TARGET_OS_CPP_BUILTIN.
7133         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
7134         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
7135         arm_arch7.
7136         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
7137         passing required abi options to the assembler for EABI configurations.
7138         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
7139         of .text.hot and .text.unlikely sections for kernel modules when
7140         using ARM style exceptions.
7141         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
7142         options. Add EXTRA_CC1_SPEC.
7143         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
7144         toolchain options.
7145         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
7146         transition.
7147         (ARM_TARGET2_DWARF_FORMAT): Define.
7148         * config/arm/t-vxworks: Adjust multilib control to removal of the
7149         Diab command line options.
7150
7151 2017-08-01  Martin Liska  <mliska@suse.cz>
7152
7153         PR gcov-profile/81561
7154         * gcov.c (unblock): Make unblocking safe as we need to preserve
7155         index correspondence of blocks and block_lists.
7156
7157 2017-08-01  Richard Biener  <rguenther@suse.de>
7158
7159         PR tree-optimization/81181
7160         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
7161         (compute_antic): ... end of iteration here.
7162
7163 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
7164
7165         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
7166         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
7167         (ftree-slp-vectorize): Likewise.
7168         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
7169         can no longer be set independent of flag_tree_loop_vectorize.
7170         * omp-general.c (emp_max_vf): Likewise.
7171         * opts.c (enable_fdo_optimizations): Remove references to
7172         flag_tree_vectorize, these are now implicit.
7173         (common_handle_option): Remove handling for OPT_ftree_vectorize,
7174         and leave it for the options machinery.
7175
7176 2017-08-01  Martin Liska  <mliska@suse.cz>
7177
7178         PR middle-end/70140
7179         * builtins.c (expand_builtin_memcpy_args): Remove.
7180         (expand_builtin_memcpy): Call newly added function
7181         expand_builtin_memory_copy_args.
7182         (expand_builtin_memcpy_with_bounds): Likewise.
7183         (expand_builtin_mempcpy): Remove last argument.
7184         (expand_builtin_mempcpy_with_bounds): Likewise.
7185         (expand_builtin_memory_copy_args): New function created from
7186         expand_builtin_mempcpy_args with small modifications.
7187         (expand_builtin_mempcpy_args): Remove.
7188         (expand_builtin_stpcpy): Remove unused argument.
7189         (expand_builtin): Likewise.
7190         (expand_builtin_with_bounds): Likewise.
7191
7192 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
7193
7194         PR target/81641
7195         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
7196         print "ds:" only for immediates in generic address space.
7197
7198 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
7199
7200         PR target/81639
7201         * config/i386/i386.c (ix86_funciton_naked): New prototype.
7202         (ix86_function_ok_for_sibcall): Return false for naked functions.
7203
7204 2017-08-01  Richard Biener  <rguenther@suse.de>
7205
7206         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
7207         (compute_antic): Seed worklist with exit block predecessors.
7208         * cfganal.c (dfs_find_deadend): For a cycle return the source
7209         of the edge closing it.
7210
7211 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
7212
7213         * config/aarch64/aarch64.c
7214         (aarch64_can_const_movi_rtx_p): Move 0 check.
7215
7216 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
7217
7218         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
7219         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
7220         above macro.
7221         * match.pd: Ditto in address comparison pattern.
7222
7223 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
7224
7225         PR tree-optimization/81627
7226         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
7227         closed ssa form for store-store chain.
7228
7229 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
7230
7231         PR tree-optimization/81620
7232         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
7233         for store-store chain.
7234
7235 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
7236
7237         PR tree-optimization/81588
7238         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
7239         ranges[i].in_p, invert comparison code ccode.  For >/>=,
7240         swap rhs1 and rhs2 and comparison code unconditionally,
7241         for </<= don't do that.  Don't swap rhs1/rhs2 again if
7242         ranges[i].in_p, instead invert comparison code ccode if
7243         opcode or oe->rank is BIT_IOR_EXPR.
7244
7245         PR target/80846
7246         * optabs.def (vec_extract_optab, vec_init_optab): Change from
7247         a direct optab to conversion optab.
7248         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
7249         with GET_MODE_INNER as last argument instead of optab_handler.
7250         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
7251         vector extraction if possible and optab is available.
7252         * expr.c (store_constructor): Use convert_optab_handler instead
7253         of optab_handler.  Use vector initialization from smaller
7254         vectors if possible and optab is available.
7255         * tree-vect-stmts.c (vectorizable_load): Likewise.
7256         * doc/md.texi (vec_extract, vec_init): Document that the optabs
7257         now have two modes.
7258         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
7259         of vec_init from half-sized vectors with the same element mode.
7260         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
7261         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
7262         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
7263         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
7264         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
7265         after mode in gen_vec_extract* calls.
7266         (vec_extract<mode>): Renamed to ...
7267         (vec_extract<mode><ssescalarmodelower>): ... this.
7268         (vec_extract<mode><ssehalfvecmodelower>): New expander.
7269         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
7270         element mode after mode in gen_vec_init* calls.
7271         (VEC_INIT_HALF_MODE): New mode iterator.
7272         (vec_init<mode>): Renamed to ...
7273         (vec_init<mode><ssescalarmodelower>): ... this.
7274         (vec_init<mode><ssehalfvecmodelower>): New expander.
7275         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
7276         (vec_extractv2sfsf): ... this.
7277         (vec_initv2sf): Renamed to ...
7278         (vec_initv2sfsf): ... this.
7279         (vec_extractv2si): Renamed to ...
7280         (vec_extractv2sisi): ... this.
7281         (vec_initv2si): Renamed to ...
7282         (vec_initv2sisi): ... this.
7283         (vec_extractv4hi): Renamed to ...
7284         (vec_extractv4hihi): ... this.
7285         (vec_initv4hi): Renamed to ...
7286         (vec_initv4hihi): ... this.
7287         (vec_extractv8qi): Renamed to ...
7288         (vec_extractv8qiqi): ... this.
7289         (vec_initv8qi): Renamed to ...
7290         (vec_initv8qiqi): ... this.
7291         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
7292         (vec_init<mode>): Renamed to ...
7293         (vec_init<mode><VEC_base_l>): ... this.
7294         (vec_extract<mode>): Renamed to ...
7295         (vec_extract<mode><VEC_base_l>): ... this.
7296         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
7297         (vec_initv2sfsf): ... this.
7298         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
7299         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
7300         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
7301         element mode after mode in gen_vec_init* calls.
7302         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
7303         (vec_init<mode><Vel>): ... this.
7304         (vec_extract<mode>): Renamed to ...
7305         (vec_extract<mode><Vel>): ... this.
7306         * config/aarch64/iterators.md (Vel): New mode attribute.
7307         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
7308         Add element mode after mode in gen_vec_extract* calls.
7309         * config/s390/vector.md (non_vec_l): New mode attribute.
7310         (vec_extract<mode>): Renamed to ...
7311         (vec_extract<mode><non_vec_l>): ... this.
7312         (vec_init<mode>): Renamed to ...
7313         (vec_init<mode><non_vec_l>): ... this.
7314         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
7315         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
7316         vec_extract mode.
7317         * config/arm/iterators.md (V_elem_l): New mode attribute.
7318         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
7319         (vec_extract<mode><V_elem_l>): ... this.
7320         (vec_extractv2di): Renamed to ...
7321         (vec_extractv2didi): ... this.
7322         (vec_init<mode>): Renamed to ...
7323         (vec_init<mode><V_elem_l>): ... this.
7324         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
7325         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
7326         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
7327         Add element mode after gen_vec_extract* calls.
7328         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
7329         (vec_init<mode><unitmode>): ... this.
7330         (vec_extract<mode>): Renamed to ...
7331         (vec_extract<mode><unitmode>): ... this.
7332         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
7333         (vec_init<mode><unitmode>): ... this.
7334         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
7335         (vec_initv2sfsf): ... this.
7336         (vec_extractv2sf): Renamed to ...
7337         (vec_extractv2sfsf): ... this.
7338         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
7339         Add element mode after gen_vec_extract* calls.
7340         * config/mips/mips.md (unitmode): New mode iterator.
7341         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
7342         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
7343         * config/spu/spu.md (inner_l): New mode attribute.
7344         (vec_init<mode>): Renamed to ...
7345         (vec_init<mode><inner_l>): ... this.
7346         (vec_extract<mode>): Renamed to ...
7347         (vec_extract<mode><inner_l>): ... this.
7348         * config/sparc/sparc.md (veltmode): New mode iterator.
7349         (vec_init<VMALL:mode>): Renamed to ...
7350         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
7351         * config/ia64/vect.md (vec_initv2si): Renamed to ...
7352         (vec_initv2sisi): ... this.
7353         (vec_initv2sf): Renamed to ...
7354         (vec_initv2sfsf): ... this.
7355         (vec_extractv2sf): Renamed to ...
7356         (vec_extractv2sfsf): ... this.
7357         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
7358         (vec_init<mode>): Renamed to ...
7359         (vec_init<mode><VEC_base_l>): ... this.
7360         (vec_extract<mode>): Renamed to ...
7361         (vec_extract<mode><VEC_base_l>): ... this.
7362         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
7363         (vec_initv2sfsf): ... this.
7364         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
7365         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
7366         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
7367         gen_vec_init* calls.
7368
7369 2017-08-01  Richard Biener  <rguenther@suse.de>
7370
7371         PR tree-optimization/81297
7372         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
7373         TREE_OVERFLOW from INTEGER_CSTs.
7374
7375 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
7376
7377         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
7378
7379 2017-07-31  Carl Love  <cel@us.ibm.com>
7380
7381         * config/rs6000/rs6000-c: Add support for built-in functions
7382         vector signed char vec_xl_be (signed long long, signed char *);
7383         vector unsigned char vec_xl_be (signed long long, unsigned char *);
7384         vector signed int vec_xl_be (signed long long, signed int *);
7385         vector unsigned int vec_xl_be (signed long long, unsigned int *);
7386         vector signed long long vec_xl_be (signed long long, signed long long *);
7387         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
7388         vector signed short vec_xl_be (signed long long, signed short *);
7389         vector unsigned short vec_xl_be (signed long long, unsigned short *);
7390         vector double vec_xl_be (signed long long, double *);
7391         vector float vec_xl_be (signed long long, float *);
7392         * config/rs6000/altivec.h (vec_xl_be): Add #define.
7393         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
7394         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
7395         for the builtins.
7396         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
7397         (altivec_expand_builtin): Add switch statement to call
7398         altivec_expand_xl_be for each builtin.
7399         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
7400         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
7401         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
7402         __builtin_vsx_le_be_v16qi.
7403         * doc/extend.texi: Update the built-in documentation file for the
7404         new built-in functions.
7405
7406 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
7407
7408         PR target/25967
7409         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
7410         New function.
7411         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
7412
7413 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7414
7415         * config.gcc: Add z14.
7416         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
7417         CPU model numbers for z13s and z14.
7418         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
7419         arch12 with z14.
7420         * config/s390/s390-opts.h (enum processor_type): Rename
7421         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
7422         * config/s390/s390.c (processor_table): Add field for CPU name to
7423         be passed to Binutils.
7424         (s390_asm_output_machine_for_arch): Use the new field in
7425         processor_table for Binutils.
7426         (s390_expand_builtin): Replace arch12 with z14.
7427         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
7428         (s390_get_sched_attrmask): Likewise.
7429         (s390_get_unit_mask): Likewise.
7430         * config/s390/s390.opt: Add z14 to processor_type enum.
7431
7432 2017-07-31  Martin Jambor  <mjambor@suse.cz>
7433
7434         PR hsa/81477
7435         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
7436         regardless of optimization level.
7437
7438 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
7439             Martin Liska  <mliska@suse.cz>
7440
7441         * predict.def: Remove old comment and adjust probability.
7442         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
7443         PREDICT statements.
7444
7445 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
7446
7447         PR target/25967
7448         * config/i386/i386.c (ix86_function_naked): New function.
7449         (ix86_can_use_return_insn_p): Return false for naked functions.
7450         (ix86_expand_prologue): Skip prologue for naked functions.
7451         (ix86_expand_epilogue): Skip epilogue for naked functions
7452         and emit trap instruction.
7453         (ix86_warn_func_return): New function.
7454         (ix86_attribute_table): Add "naked" attribute specification.
7455         (TARGET_WARN_FUNC_RETURN): Define.
7456         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
7457
7458 2017-07-31  Martin Liska  <mliska@suse.cz>
7459
7460         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
7461         (dump_gimple_bb_header): Always dump BB info.
7462         (pp_cfg_jump): Do not append info about BB when dumping a jump.
7463
7464 2017-07-31  Martin Liska  <mliska@suse.cz>
7465
7466         PR sanitize/81530
7467         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
7468         also with current_function_decl non-null equality.
7469
7470 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
7471
7472         PR sanitizer/81604
7473         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
7474         change type to the element type, instead add eltype variable and
7475         use it where we are interested in the element type.
7476
7477         PR tree-optimization/81603
7478         * ipa-polymorphic-call.c
7479         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
7480         offset arithmetic in offset_int, bail out if the resulting bit offset
7481         doesn't fit into shwi.
7482
7483 2017-07-31  Martin Liska  <mliska@suse.cz>
7484
7485         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
7486         (gimplify_save_expr): Fix comment.
7487
7488 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
7489
7490         PR target/79793
7491         * config/i386/i386.c (ix86_function_arg): Update arguments for
7492         exception handler.
7493         (ix86_compute_frame_layout): Set the initial stack offset to
7494         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
7495         INCOMING_FRAME_SP_OFFSET.
7496         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
7497         stack before exception handler returns.
7498         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
7499         the 'ERROR_CODE' for exception handler.
7500
7501 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
7502
7503         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
7504         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
7505         (ASM_OUTPUT_REG_POP): Ditto.
7506         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
7507         instead of asm_fprintf to output pure string.
7508
7509 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
7510
7511         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
7512         to imported_module_or_decl hook.
7513         (debug_nothing_tree_tree_tree_bool): Remove.
7514         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
7515         * debug.c (do_nothing_debug_hooks): Use
7516         debug_nothing_tree_tree_tree_bool_bool instead of
7517         debug_nothing_tree_tree_tree_bool.
7518         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
7519         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
7520         * sdbout.c (sdb_debug_hooks): Likewise.
7521         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
7522         (gen_namespace_die): Add DW_AT_export_symbols attribute if
7523         langhook wants it.
7524         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
7525         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
7526         attribute, don't add anything.
7527
7528 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7529
7530         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
7531         (fold_build2_stat_loc): Likewise.
7532         (fold_build3_stat_loc): Likewise.
7533         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
7534         (fold_build1_loc): Remove macro.
7535         (fold_build2_loc): Likewise.
7536         (fold_build3_loc): Likewise.
7537
7538 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7539
7540         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
7541         (gimple_build_debug_bind_source_stat): Likewise.
7542         * gimple.h (gimple_build_debug_bind): Remove macro.
7543         (gimple_build_debug_bind_source): Likewise.
7544
7545 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7546
7547         * bitmap.c (bitmap_alloc): Adjust.
7548         (bitmap_gc_alloc): Likewise.
7549         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
7550
7551 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7552
7553         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
7554         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
7555         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
7556         (bitmap_gc_alloc_stat): Likewise.
7557         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
7558
7559 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7560
7561         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
7562         * rtl.h (shallow_copy_rtx): Remove macro.
7563
7564 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7565
7566         * emit-rtl.c (gen_raw_REG): Adjust.
7567         * gengenrtl.c (gendef): Likewise.
7568         * rtl.c (rtx_alloc_stat): Remove _stat from name.
7569         * rtl.h (rtx_alloc): Remove macro.
7570
7571 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7572
7573         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
7574         (build_tree_list_stat): Likewise.
7575         * tree.h (build_tree_list): Remove macro.
7576         (build_tree_list_vec): Likewise.
7577
7578 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7579
7580         * tree.c (make_vector_stat): Remove _stat from name.
7581         (build_vector_stat): Likewise.
7582         * tree.h (make_vector_stat): Remove macro.
7583         (build_vector_stat): Likewise.
7584
7585 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7586
7587         * tree.h (build_var_debug_value): Remove prototype.
7588
7589 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7590
7591         * tree.c (tree_cons_stat): Remove _stat from name.
7592         * tree.h (tree_cons): Remove macro.
7593
7594 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7595
7596         * tree.c (build_vl_exp_stat): Remove _stat from name.
7597         * tree.h (build_vl_exp): Remove macro.
7598
7599 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7600
7601         * tree.c (build_decl_stat): Remove _stat from name.
7602         * tree.h (build_decl): Remove macro.
7603
7604 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7605
7606         * gimple.c (gimple_build_with_ops_stat): Adjust.
7607         (gimple_alloc_stat): Remove _stat from name.
7608         * gimple.h (gimple_alloc): Remove macro.
7609
7610 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7611
7612         * tree.c (make_tree_vec_stat): Remove _stat from name.
7613         (grow_tree_vec_stat): Likewise.
7614         * tree.h (make_tree_vec_stat): Adjust prototype.
7615         (grow_tree_vec_stat): Likewise.
7616         (make_tree_vec): Remove macro.
7617         (grow_tree_vec): Likewise.
7618
7619 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7620
7621         * fold-const.c (fold_build1_stat_loc): Adjust.
7622         (fold_build2_stat_loc): Likewise.
7623         (fold_build3_stat_loc): Likewise.
7624         * tree.c (build0_stat): Remove _stat from name.
7625         (build1_stat): Likewise.
7626         (build2_stat): Likewise.
7627         (build3_stat): Likewise.
7628         (build4_stat): Likewise.
7629         (build5_stat): Likewise.
7630         * tree.h (build1_loc): Remove macro, and rename _stat function
7631         to this.
7632         (build2_loc): Likewise.
7633         (build3_loc): Likewise.
7634         (build4_loc): Likewise.
7635         (build5_loc): Likewise.
7636
7637 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7638
7639         * tree.c (make_int_cst_stat): Remove _stat from name.
7640         * tree.h (make_int_cst_stat): Adjust prototype.
7641         (make_int_cst): Remove macro.
7642
7643 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7644
7645         * tree.c (make_tre_binfo_stat): Remove _stat from name.
7646         * tree.h (make_tree_binfo_stat): Adjust prototype.
7647         (make_tree_binfo): Remove.
7648
7649 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7650
7651         * tree.c (copy_node_stat): Rename to copy_node.
7652         (build_distinct_type_copy): Adjust.
7653         * tree.h (copy_node_stat): Adjust prototype.
7654         (copy_node): Remove macro.
7655
7656 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7657
7658         * tree.c (make_node_stat): rename to make_node.
7659         (build_tree_list_stat): Adjust.
7660         (build0_stat): Likewise.
7661         (build2_stat): Likewise.
7662         (build3_stat): Likewise.
7663         (build4_stat): Likewise.
7664         (build5_stat): Likewise.
7665         (build_decl_stat): Likewise.
7666         * tree.h (make_node_stat): Adjust prototype.
7667         (make_node): remove macro.
7668
7669 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
7670
7671         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
7672         (PPC_FEATURE2_SCV): Likewise.
7673         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
7674
7675 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7676
7677         * config/aarch64/aarch64.c
7678         (aarch64_internal_mov_immediate): Add new special pattern.
7679         * config/aarch64/aarch64.md (*movdi_aarch64):
7680         Add reg/32bit const mov case.
7681
7682 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7683             Richard Sandiford <richard.sandiford@linaro.org>
7684
7685         * config/aarch64/aarch64.md (mov<mode>): Generalize.
7686         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
7687         Add integer and movi cases.
7688         (movi-split-hf-df-sf split, fp16): New.
7689         (enabled): Added TARGET_FP_F16INST.
7690         * config/aarch64/iterators.md (GPF_HF): New.
7691         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
7692
7693 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7694
7695         * config/aarch64/aarch64.c
7696         (aarch64_simd_container_mode): Add prototype.
7697         (aarch64_expand_mov_immediate): Add HI support.
7698         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
7699         (aarch64_can_const_movi_rtx_p): New.
7700         (aarch64_preferred_reload_class):
7701         Remove restrictions of using FP registers for certain SIMD operations.
7702         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
7703         (aarch64_valid_floating_const): Add integer move validation.
7704         (aarch64_simd_imm_scalar_p): Remove.
7705         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
7706         (aarch64_legitimate_constant_p): Expand list of supported cases.
7707         * config/aarch64/aarch64-protos.h
7708         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
7709         (aarch64_reinterpret_float_as_int): New.
7710         (aarch64_simd_imm_scalar_p): Remove.
7711         * config/aarch64/constraints.md (Uvi): New.
7712         (Dd): Split into Ds and new Dd.
7713         * config/aarch64/aarch64.md (*movsi_aarch64):
7714         Add SIMD mov case.
7715         (*movdi_aarch64): Add SIMD mov case.
7716
7717 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7718
7719         * tree-predcom.c: (struct chain): Handle store-store chain in which
7720         stores for elimination only store loop invariant values.
7721         (execute_pred_commoning_chain): Ditto.
7722         (prepare_initializers_chain_store_elim): Ditto.
7723         (prepare_finalizers): Ditto.
7724         (is_inv_store_elimination_chain): New function.
7725         (initialize_root_vars_store_elim_1): New function.
7726
7727 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7728
7729         * tree-predcom.c: Revise general description of the pass.
7730         (enum chain_type): New enum type for store elimination.
7731         (struct chain): New field supporting store elimination.
7732         (struct component): Ditto.
7733         (dump_chain): Dump store-stores chain.
7734         (release_chain): Release resources.
7735         (split_data_refs_to_components): Compute and create component
7736         contains only stores for elimination.
7737         (get_chain_last_ref_at): New function.
7738         (make_invariant_chain): Initialization.
7739         (make_rooted_chain): Specify chain type in parameter and record it.
7740         (add_looparound_copies): Skip for store-stores chain.
7741         (determine_roots_comp): Compute type of chain and pass it to
7742         make_rooted_chain.
7743         (initialize_root_vars_store_elim_2): New function.
7744         (finalize_eliminated_stores): New function.
7745         (remove_stmt): Handle store for elimination.
7746         (execute_pred_commoning_chain): Execute predictive commoning on
7747         store-store chains.
7748         (determine_unroll_factor): Skip unroll for store-stores chain.
7749         (prepare_initializers_chain_store_elim): New function.
7750         (prepare_initializers_chain): Hanlde store-store chain.
7751         (prepare_finalizers_chain, prepare_finalizers): New function.
7752         (tree_predictive_commoning_loop): Return integer value indicating
7753         if loop is unrolled or lcssa form is corrupted.
7754         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
7755
7756 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7757
7758         * tree-predcom.c (initialize_root): Delete.
7759         (execute_pred_commoning_chain): Initialize root vars and replace
7760         reference of non-combined chain directly, rather than call above
7761         function.
7762
7763 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7764
7765         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
7766         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
7767
7768 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7769
7770         * tree-predcom.c (struct chain): New field init_seq.
7771         (release_chain): Release init_seq.
7772         (prepare_initializers_chain): Record intialization stmts in above
7773         field.
7774         (insert_init_seqs): New function.
7775         (tree_predictive_commoning_loop): Call insert_init_seqs.
7776
7777 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7778
7779         * tree-predcom.c (determine_roots_comp): Skip trivial components.
7780
7781 2017-07-28  Richard Biener  <rguenther@suse.de>
7782
7783         * match.pd: Remove superfluous :c.
7784         * genmatch.c (simplify::id): Add member.
7785         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
7786         Copy id.
7787         (current_id): New global.
7788         (dt_node::parent): Move from ...
7789         (dt_operand::parent): ... here.  Add for_id member.
7790         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
7791         (decision_tree::find_node): Relax order requirement when
7792         merging DT_TRUE nodes to ones inbetween the current simplify
7793         and the one we try to merge with.  Add diagnostic whenever
7794         we need to enforce pattern order by not merging.
7795         (decision_tree::insert): Set current_id.
7796         (decision_tree::print_node): Dump parent node and for_id.
7797         (parser::last_id): Add member.
7798         (parser::push_simplify): Assign unique id.
7799         (parser::parser): Initialize last_id.
7800
7801 2017-07-28  Martin Liska  <mliska@suse.cz>
7802
7803         PR sanitizer/81340
7804         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
7805         gimple_build_debug_bind.
7806
7807 2017-07-28  Richard Biener  <rguenther@suse.de>
7808
7809         PR tree-optimization/81502
7810         * match.pd: Add pattern combining BIT_INSERT_EXPR with
7811         BIT_FIELD_REF.
7812         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
7813         size/pos operands.
7814         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
7815         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
7816         for BIT_FIELD_REF args.
7817         * fold-const.c (make_bit_field_ref): Likewise.
7818         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
7819
7820 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
7821
7822         PR sanitizer/80998
7823         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
7824         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
7825         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
7826         Or it into SANITIZER_UNDEFINED.
7827         * ubsan.c: Include gimple-fold.h and varasm.h.
7828         (ubsan_expand_ptr_ifn): New function.
7829         (instrument_pointer_overflow): New function.
7830         (maybe_instrument_pointer_overflow): New function.
7831         (instrument_object_size): Formatting fix.
7832         (pass_ubsan::execute): Call instrument_pointer_overflow
7833         and maybe_instrument_pointer_overflow.
7834         * internal-fn.c (expand_UBSAN_PTR): New function.
7835         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
7836         * sanitizer.def (__ubsan_handle_pointer_overflow,
7837         __ubsan_handle_pointer_overflow_abort): New builtins.
7838         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
7839         * internal-fn.def (UBSAN_PTR): New internal function.
7840         * opts.c (sanitizer_opts): Add pointer-overflow.
7841         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
7842         * fold-const.c (build_range_check): Compute pointer range check in
7843         integral type if pointer arithmetics would be needed.  Formatting
7844         fixes.
7845
7846 2017-07-28  Martin Liska  <mliska@suse.cz>
7847
7848         PR sanitizer/81460
7849         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
7850         parameters that are of a variable-length.
7851
7852 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7853
7854         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
7855         rs6000/biarch64.h.
7856         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
7857         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7858         (CRT_CALL_STATIC_FUNCTION): Likewise.
7859         (ASM_DEFAULT_SPEC): New define.
7860         (ASM_SPEC32): Likewise.
7861         (ASM_SPEC64): Likewise.
7862         (ASM_SPEC_COMMON): Likewise.
7863         (ASM_SPEC): Likewise.
7864         (INVALID_64BIT): Likewise.
7865         (LINK_OS_DEFAULT_SPEC): Likewise.
7866         (LINK_OS_SPEC32): Likewise.
7867         (LINK_OS_SPEC64): Likewise.
7868         (POWERPC_LINUX): Likewise.
7869         (PTRDIFF_TYPE): Likewise.
7870         (RESTORE_FP_PREFIX): Likewise.
7871         (RESTORE_FP_SUFFIX): Likewise.
7872         (SAVE_FP_PREFIX): Likewise.
7873         (SAVE_FP_SUFFIX): Likewise.
7874         (SIZE_TYPE): Likewise.
7875         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7876         (TARGET_64BIT): Likewise.
7877         (TARGET_64BIT): Likewise.
7878         (TARGET_AIX): Likewise.
7879         (WCHAR_TYPE_SIZE): Likewise.
7880         (WCHAR_TYPE): Undefine.
7881         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
7882         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
7883         (CPP_OS_RTEMS_SPEC): Delete.
7884         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
7885         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
7886         link_os_spec64.
7887         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
7888
7889 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
7890
7891         PR tree-optimization/81578
7892         * tree-parloops.c (build_new_reduction): Bail out if
7893         reduction_code isn't one of the standard OpenMP reductions.
7894         Move the details printing after that decision.
7895
7896 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7897
7898         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
7899         related to reload_in_progress.
7900         (splat_input_operand): Likewise.
7901         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
7902         Delete prototype.
7903         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
7904         field.
7905         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
7906         (TARGET_INSTANTIATE_DECLS): Likewise.
7907         (legitimate_indexed_address_p): Delete reload_in_progress code.
7908         (rs6000_debug_legitimate_address_p): Likewise.
7909         (rs6000_eliminate_indexed_memrefs): Likewise.
7910         (rs6000_emit_le_vsx_store): Likewise.
7911         (rs6000_emit_move_si_sf_subreg): Likewise.
7912         (rs6000_emit_move): Likewise.
7913         (register_to_reg_type): Likewise.
7914         (rs6000_pre_atomic_barrier): Likewise.
7915         (rs6000_machopic_legitimize_pic_address): Likewise.
7916         (rs6000_allocate_stack_temp): Likewise.
7917         (rs6000_address_for_fpconvert): Likewise.
7918         (rs6000_address_for_altivec): Likewise.
7919         (rs6000_secondary_memory_needed_rtx): Delete function.
7920         (rs6000_check_sdmode): Likewise.
7921         (rs6000_alloc_sdmode_stack_slot): Likewise.
7922         (rs6000_instantiate_decls): Likewise.
7923         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7924         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
7925         Delete reload_in_progress.
7926         (*vec_reload_and_plus_<mptrsize>): Likewise.
7927         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
7928         (vsx_div_v2di): Likewise.
7929         (vsx_udiv_v2di): Likewise.
7930
7931 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7932
7933         * config/rs6000/rs6000.opt (mlra): Replace with stub.
7934         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
7935         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
7936         (rs6000_debug_reg_global): Delete print of LRA status.
7937         (rs6000_option_override_internal): Delete dead LRA related code.
7938         (rs6000_lra_p): Delete function.
7939         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
7940
7941 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7942
7943         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
7944         * config/riscv/rtems.h: New file.
7945
7946 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7947             Sudakshina Das  <sudi.das@arm.com>
7948
7949         * config/aarch64/aarch64.md
7950         (define_split for and<mode>3nr_compare): Move
7951         non aarch64_logical_operand to a register.
7952         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
7953         register immediate operand to a register.
7954         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
7955
7956 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7957
7958         PR middle-end/81564
7959         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
7960
7961 2017-07-27  Richard Biener  <rguenther@suse.de>
7962
7963         PR tree-optimization/81573
7964         PR tree-optimization/81494
7965         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
7966         multi defuse cycle case.
7967
7968 2017-07-27  Richard Biener  <rguenther@suse.de>
7969
7970         PR tree-optimization/81571
7971         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
7972         PHIs.
7973
7974 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
7975
7976         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
7977         earlier and only if MASK_FPU is set.  Adjust formatting.
7978
7979 2017-07-27  Martin Liska  <mliska@suse.cz>
7980
7981         * opt-functions.awk: Add validation of value of Init.
7982         * optc-gen.awk: Pass new argument.
7983
7984 2017-07-27  Martin Liska  <mliska@suse.cz>
7985
7986         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
7987         Fix wrong condition.
7988
7989 2017-07-27  Martin Liska  <mliska@suse.cz>
7990
7991         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
7992         BBs and edges seen by autoFDO.
7993
7994 2017-07-27  Richard Biener  <rguenther@suse.de>
7995
7996         PR tree-optimization/81502
7997         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
7998         with incompatible but same sized type.
7999         (execute_update_addresses_taken): Likewise.
8000
8001 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
8002
8003         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
8004         flag_tree_loop_vectorize rather than flag_tree_vectorize.
8005
8006 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8007
8008         PR target/81534
8009         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
8010         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
8011         Change s_operand to memory_operand.
8012
8013 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
8014
8015         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
8016         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
8017         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
8018         Emit instructions rather than returning an expression.  Handle TFmode
8019         and KFmode by casting to TImode.
8020         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
8021         (rs6000_emit_le_vsx_store): Likewise.
8022         * config/rs6000/vsx.md (VSX_TI): New iterator.
8023         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
8024         (*vsx_le_undo_permute_<mode>): Likewise.
8025         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
8026         emit the split sequence.
8027         (*vsx_le_perm_store_<mode>): Likewise.
8028
8029 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
8030
8031         PR tree-optimization/81555
8032         PR tree-optimization/81556
8033         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
8034         if true, force CHANGED for the recursive invocation.
8035         (reassociate_bb): Remember original length of ops array, pass
8036         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
8037
8038         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
8039         attributes for noipa attribute.  For naked attribute use
8040         lookup_attribute first before lookup_attribute_spec.
8041         * final.c (rest_of_handle_final): Disable IPA RA for functions with
8042         noipa attribute.
8043         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
8044         for functions with noipa attribute.
8045         (cgraph_externally_visible_p): Return true for functions with noipa
8046         attribute.
8047         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
8048         for functions with noipa attribute.
8049         * doc/extend.texi: Document noipa function attribute.
8050         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
8051         also for functions with noipa attribute.
8052         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
8053
8054 2017-07-26  Andrew Pinski  <apinski@cavium.com>
8055
8056         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
8057         vec_unalign_load_cost and vec_unalign_store_cost.
8058
8059 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
8060
8061         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
8062         -mvsx-small-integer option.
8063         (ISA_3_0_MASKS_IEEE): Likewise.
8064         (OTHER_VSX_VECTOR_MASKS): Likewise.
8065         (POWERPC_MASKS): Likewise.
8066         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
8067         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
8068         code, only testing for DImode being allowed in non-VSX floating
8069         point registers.
8070         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
8071         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
8072         another VSX test.
8073         (rs6000_option_override_internal): Delete -mvsx-small-integer.
8074         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
8075         TARGET_P8_VECTOR test.
8076         (rs6000_secondary_reload_simple_move): Likewise.
8077         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
8078         since TARGET_P9_VECTOR was already tested.
8079         (rs6000_opt_masks): Remove -mvsx-small-integer.
8080         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
8081         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
8082         used.
8083         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
8084         test for TARGET_VEXTRACTUB was used, and that uses
8085         TARGET_P9_VECTOR.
8086         (p9 extract splitter): Likewise.
8087         (vsx_extract_<mode>_di_p9): Likewise.
8088         (vsx_extract_<mode>_store_p9): Likewise.
8089         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
8090         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
8091         the elimination of TARGET_VSX_SMALL_INTEGER.
8092         (vsx_extract_<mode>_p8): Likewise.
8093         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
8094         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
8095         (vsx_set_<mode>_p9): Likewise.
8096         (vsx_set_v4sf_p9): Likewise.
8097         (vsx_set_v4sf_p9_zero): Likewise.
8098         (vsx_insert_extract_v4sf_p9): Likewise.
8099         (vsx_insert_extract_v4sf_p9_2): Likewise.
8100         * config/rs6000/rs6000.md (sign extend splitter): Change
8101         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
8102         (floatsi<mode>2_lfiwax_mem): Likewise.
8103         (floatunssi<mode>2_lfiwzx_mem): Likewise.
8104         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
8105         since a test for TARGET_P9_VECTOR was used.
8106         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
8107         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
8108         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
8109         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
8110         TARGET_P8_VECTOR test.
8111         (fix_trunc<mode>si2_stfiwx): Likewise.
8112         (fix_trunc<mode>si2_internal): Likewise.
8113         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
8114         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
8115         used.
8116         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
8117         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
8118         TARGET_P8_VECTOR test.
8119         (fixuns_trunc<mode>si2_stfiwx): Likewise.
8120         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
8121         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
8122         used.
8123         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
8124         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
8125         since a test for TARGET_P9_VECTOR was used.
8126         (splitter for loading small constants): Likewise.
8127
8128 2017-07-26  Andrew Pinski  <apinski@cavium.com>
8129
8130         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
8131         vec_fp_stmt_cost.
8132
8133 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8134
8135         PR target/81563
8136         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
8137         (fp_valid_at): Likewise.
8138
8139 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
8140
8141         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
8142         (qdf24xx_addrcost_table): Likewise.
8143         (cortexa57_tunings): Update to use generic_branch_cost.
8144         (cortexa72_tunings): Likewise.
8145         (cortexa73_tunings): Likewise.
8146         (qdf24xx_tunings): Likewise.
8147
8148 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
8149
8150         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
8151         (thunderx2t99_branch_cost): Likewise.
8152         (cortexa35_tunings): Update to use generic_branch_cost.
8153         (cortexa53_tunings): Likewise.
8154         (cortexa57_tunings): Likewise.
8155         (cortexa72_tunings): Likewise.
8156         (cortexa73_tunings): Likewise.
8157         (thunderx2t99_tunings): Likewise.
8158
8159 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8160
8161         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
8162         (sparc_option_override): Honour MASK_FSMULD.
8163         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
8164         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
8165         * config/sparc/sparc.opt (mfsmuld): New option.
8166         * doc/invoke.texi (mfsmuld): Document option.
8167
8168 2017-07-26  Marek Polacek  <polacek@redhat.com>
8169
8170         PR middle-end/70992
8171         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
8172
8173 2017-07-26  Richard Biener  <rguenther@suse.de>
8174
8175         * gimple-match-head.c (do_valueize): Return OP if valueize
8176         returns NULL_TREE.
8177         (get_def): New helper to get at the def stmt of a SSA name
8178         if valueize allows.
8179         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
8180         do_valueize to get at the def stmt.
8181         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
8182
8183 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
8184
8185         PR middle-end/46932
8186         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
8187
8188 2017-07-26  Martin Liska  <mliska@suse.cz>
8189
8190         PR sanitize/81186
8191         * function.c (expand_function_start): Make expansion of
8192         nonlocal_goto_save_area after parm_birth_insn.
8193
8194 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8195
8196         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
8197         from all CPU target flags enable members.
8198
8199 2017-07-26  Richard Biener  <rguenther@suse.de>
8200
8201         * genmatch.c (dt_simplify::gen): Make iterator vars const.
8202         (decision_tree::gen): Make 'type' const.
8203         (write_predicate): Likewise.
8204
8205 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
8206
8207         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
8208         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
8209         (rs6000_option_override_internal): Likewise.
8210         (rs6000_expand_vector_set): Likewise.
8211         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
8212         (TARGET_UPPER_REGS_SF): Likewise.
8213         (TARGET_UPPER_REGS_DI): Likewise.
8214         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
8215         (TARGET_DIRECT_MOVE_64BIT): Likewise.
8216         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
8217         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
8218         (Splitters for DI constants in Altivec registers): Likewise.
8219         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
8220         (vsx_set_v4sf_p9): Likewise.
8221         (vsx_set_v4sf_p9_zero): Likewise.
8222         (vsx_insert_extract_v4sf_p9): Likewise.
8223         (vsx_insert_extract_v4sf_p9_2): Likewise.
8224
8225 2017-07-25  Carl Love  <cel@us.ibm.com>
8226
8227         * doc/extend.texi: Update the built-in documentation file for the
8228         existing built-in functions
8229         vector signed char vec_cnttz (vector signed char);
8230         vector unsigned char vec_cnttz (vector unsigned char);
8231         vector signed short vec_cnttz (vector signed short);
8232         vector unsigned short vec_cnttz (vector unsigned short);
8233         vector signed int vec_cnttz (vector signed int);
8234         vector unsigned int vec_cnttz (vector unsigned int);
8235         vector signed long long vec_cnttz (vector signed long long);
8236         vector unsigned long long vec_cnttz (vector unsigned long long);
8237
8238 2017-07-25  Andrew Pinski  <apinski@cavium.com>
8239
8240         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
8241         accesses where the use is for the first operand of a BIT_INSERT.
8242
8243 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
8244
8245         PR bootstrap/81521
8246         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
8247         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
8248
8249 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
8250
8251         * config/i386/gstabs.h: Delete.
8252         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
8253
8254 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
8255
8256         * config/i386/i386.c (ix86_decompose_address): Do not check for
8257         register RTX when looking at index_reg or base_reg.
8258         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
8259
8260 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
8261
8262         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
8263         to update EH info here.
8264
8265 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
8266
8267         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
8268
8269 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
8270
8271         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
8272
8273 2017-07-25  Torsten Duwe  <duwe@suse.de>
8274
8275         * common.opt: Introduce -fpatchable-function-entry
8276         command line option, and its variables function_entry_patch_area_size
8277         and function_entry_patch_area_start.
8278         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
8279         including a two-value parser.
8280         * target.def (print_patchable_function_entry): New target hook.
8281         * targhooks.h (default_print_patchable_function_entry): New function.
8282         * targhooks.c (default_print_patchable_function_entry): Likewise.
8283         * toplev.c (process_options): Switch off IPA-RA if
8284         patchable function entries are being generated.
8285         * varasm.c (assemble_start_function): Look at the
8286         patchable-function-entry command line switch and current
8287         function attributes and maybe generate NOP instructions by
8288         calling the print_patchable_function_entry hook.
8289         * doc/extend.texi: Document patchable_function_entry attribute.
8290         * doc/invoke.texi: Document -fpatchable_function_entry
8291         command line option.
8292         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
8293         New target hook.
8294         * doc/tm.texi: Re-generate.
8295
8296 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
8297
8298         PR target/81532
8299         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
8300         TARGET_AVX512DQ rather than TARGET_AVX512BW.
8301
8302 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
8303
8304         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
8305
8306 2017-07-25  Richard Biener  <rguenther@suse.de>
8307
8308         PR tree-optimization/81455
8309         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
8310         not walk in cycles when looking for guards.
8311
8312 2017-07-25  Richard Biener  <rguenther@suse.de>
8313
8314         PR tree-optimization/81529
8315         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
8316         when optimizing backedge uses.
8317
8318 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
8319
8320         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
8321         character for AIX.
8322         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
8323         to dl_section_ref.  On AIX, append an expression to subtract
8324         the size of the section length to dl_section_ref.
8325
8326 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
8327
8328         * configure.ac: If any of the config.* scripts fail, exit 1.
8329         * configure: Regenerate.
8330
8331 2017-07-25  Richard Biener  <rguenther@suse.de>
8332
8333         PR middle-end/81546
8334         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
8335         of immediate uses, be more verbose on errors.
8336
8337 2017-07-25  Richard Biener  <rguenther@suse.de>
8338
8339         PR tree-optimization/81510
8340         * tree-vect-loop.c (vect_is_simple_reduction): When the
8341         reduction stmt is not inside the loop bail out.
8342
8343 2017-07-25  Richard Biener  <rguenther@suse.de>
8344
8345         PR tree-optimization/81303
8346         * tree-vect-loop-manip.c (vect_loop_versioning): Build
8347         profitability check against LOOP_VINFO_NITERSM1.
8348
8349 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
8350
8351         * domwalk.c (cmp_bb_postorder): Simplify.
8352         (sort_bbs_postorder): New function.  Use it...
8353         (dom_walker::walk): ...here to optimize common cases.
8354
8355 2017-07-25  Martin Liska  <mliska@suse.cz>
8356
8357         PR ipa/81520
8358         * ipa-visibility.c (function_and_variable_visibility): Make the
8359         redirection just on target that supports aliasing.
8360         Fix GNU coding style.
8361
8362 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8363
8364         PR libgcc/61152
8365         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
8366         Format changes.
8367         * config/arm/rtems.h: Likewise.
8368         * config/bfin/rtems.h: Likewise.
8369         * config/i386/rtemself.h: Likewise.
8370         * config/lm32/rtems.h: Likewise.
8371         * config/m32c/rtems.h: Likewise.
8372         * config/m68k/rtemself.h: Likewise.
8373         * config/microblaze/rtems.h: Likewise.
8374         * config/mips/rtems.h: Likewise.
8375         * config/moxie/rtems.h: Likewise.
8376         * config/nios2/rtems.h: Likewise.
8377         * config/powerpcspe/rtems.h: Likewise.
8378         * config/rs6000/rtems.h: Likewise.
8379         * config/rtems.h: Likewise.
8380         * config/sh/rtems.h: Likewise.
8381         * config/sh/rtemself.h: Likewise.
8382         * config/sparc/rtemself.h: Likewise.
8383
8384 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
8385
8386         PR 81487
8387         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
8388         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
8389         * tree-ssa-structalias.c (alias_get_name): Same.
8390
8391 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
8392
8393         PR target/81414
8394         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
8395         instructions if no du chain is found.
8396
8397 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
8398
8399         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
8400
8401 2017-07-25  Richard Biener  <rguenther@suse.de>
8402
8403         PR middle-end/81505
8404         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
8405         sticky.
8406
8407 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
8408
8409         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
8410         upper-regs options.
8411         (ISA_2_7_MASKS_SERVER): Likewise.
8412         (ISA_3_0_MASKS_IEEE): Likewise.
8413         (OTHER_P8_VECTOR_MASKS): Likewise.
8414         (OTHER_VSX_VECTOR_MASKS): Likewise.
8415         (POWERPC_MASKS): Likewise.
8416         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
8417         duplicate list of options.
8418         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
8419         explicit -mupper-regs options.
8420         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
8421         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
8422         alias for -mupper-regs-df.
8423         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
8424         (rs6000_init_hard_regno_mode_ok): Likewise.
8425         (rs6000_option_override_internal): Likewise.
8426         (rs6000_opt_masks): Likewise.
8427         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
8428         options in terms of whether -mvsx or -mpower8-vector was used.
8429         (TARGET_UPPER_REGS_DI): Likewise.
8430         (TARGET_UPPER_REGS_SF): Likewise.
8431         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
8432         -mupper-regs-* options.
8433
8434 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
8435
8436         * passes.c (emergency_dump_function): Print some empty lines and a
8437         header before the RTL dump.
8438
8439 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
8440
8441         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
8442
8443 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
8444
8445         PR target/79041
8446         * config/aarch64/aarch64.c (aarch64_classify_symbol):
8447         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
8448
8449 2017-07-24  Carl Love  <cel@us.ibm.com>
8450
8451         * config/rs6000/rs6000-c.c: Add support for built-in functions
8452         vector float vec_extract_fp32_from_shorth (vector unsigned short);
8453         vector float vec_extract_fp32_from_shortl (vector unsigned short);
8454         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
8455         vec_extract_fp_from_shortl): Add defines for the two builtins.
8456         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
8457         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
8458         new builtins.
8459         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
8460         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
8461         * doc/extend.texi: Update the built-in documentation file for the
8462         new built-in function.
8463
8464 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
8465
8466         PR bootstrap/81521
8467         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
8468         documentation.
8469         * doc/generic.texi: Likewise.
8470         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
8471         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
8472
8473 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
8474
8475         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
8476         (aarch64_mls_elt_merge<mode>): Likewise.
8477
8478 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
8479
8480         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
8481         having __cxa_atexit.
8482
8483 2017-07-23  Michael Collison  <michael.collison@arm.com>
8484
8485         * config/arm/arm.c (arm_option_override): Deprecate
8486         use of -mstructure-size-boundary.
8487         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
8488         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
8489
8490 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8491
8492         PR target/80695
8493         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
8494         Reduce cost estimate for direct moves.
8495
8496 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
8497
8498         PR target/80569
8499         * config/i386/i386.c (ix86_option_override_internal): Disable
8500         BMI, BMI2 and TBM instructions for -m16.
8501
8502 2017-07-21  Carl Love  <cel@us.ibm.com>
8503
8504         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8505         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8506         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8507         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8508         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8509         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
8510         VMULOSW): New enum "unspec" values.
8511         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
8512         altivec_vmulosw): New patterns.
8513         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8514         VMULOSW): Add definitions.
8515
8516 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
8517
8518         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
8519         (qdf24xx): Likewise.
8520         * config/aarch64/aarch64-options-extensions.def (rdma); New.
8521         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
8522         (AARCH64_FL_V8_1): Renumber.
8523         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
8524         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
8525         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
8526         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
8527         rdma to feature modifiers list.
8528
8529 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
8530
8531         PR middle-end/56727
8532         * ipa-visibility (function_and_variable_visibility): Convert
8533         recursive PLT call to direct call if appropriate.
8534
8535 2017-07-21  Andrew Pinski  <apinski@cavium.com>
8536
8537         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
8538         operand 1 to see if the types precision matches.
8539         * fold-const.c (operand_equal_p): Likewise.
8540
8541 2017-07-21  Richard Biener  <rguenther@suse.de>
8542
8543         PR tree-optimization/81303
8544         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
8545         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
8546         (vect_peeling_hash_get_lowest_cost): Adjust.
8547         (vect_enhance_data_refs_alignment): Likewise.  Use
8548         vect_get_peeling_costs_all_drs to compute the penalty for no
8549         peeling to match up costs.
8550
8551 2017-07-21  Richard Biener  <rguenther@suse.de>
8552
8553         PR tree-optimization/81500
8554         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
8555         we didn't identify a reduction path.
8556
8557 2017-07-21  Tom de Vries  <tom@codesourcery.com>
8558             Cesar Philippidis  <cesar@codesourcery.com>
8559
8560         PR gcov-profile/81442
8561         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
8562         probabilities.
8563
8564 2017-07-21  Tom de Vries  <tom@codesourcery.com>
8565
8566         PR lto/81430
8567         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
8568         function.
8569         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
8570         nvptx_override_options_after_change.
8571
8572 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
8573
8574         * dwarf2out.c (output_file_names): Avoid double testing for
8575         dwarf_version >= 5.
8576
8577 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
8578
8579         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
8580
8581 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
8582
8583         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
8584         hot/cold regions.
8585         (try_crossjump_to_edge): Do not punt on partitioned functions.
8586
8587 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
8588
8589         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
8590         Put all BBs reachable only via paths crossing cold region to cold
8591         region.
8592         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
8593
8594 2016-07-21  Richard Biener  <rguenther@suse.de>
8595
8596         PR tree-optimization/81303
8597         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
8598         into account prologue and epilogue iterations when raising
8599         min_profitable_iters to sth at least covering one vector iteration.
8600
8601 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
8602
8603         * config/arm/arm.c (arm_test_cpu_arch_dat):
8604         Check for overlap.
8605
8606 2017-07-20  Nathan Sidwell  <nathan@acm.org>
8607
8608         Remove TYPE_METHODS.
8609         * tree.h (TYPE_METHODS): Delete.
8610         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
8611         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
8612         (dbxout_type_methods): Scan TYPE_FIELDS.
8613         (dbxout_type): Don't check TYPE_METHODS here.
8614         * function.c (use_register_for_decl): Always ignore register for
8615         class types when not optimizing.
8616         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
8617         * tree.c (free_lang_data_in_type): Stitch out member functions and
8618         templates from TYPE_FIELDS.
8619         (build_distinct_type_copy, verify_type_variant,
8620         verify_type): Member fns are on TYPE_FIELDS.
8621         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
8622         * tree-pretty-print.c (dump_generic_node): Likewise.
8623
8624 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
8625
8626         PR target/80846
8627         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
8628         V2TImode and V4TImode.
8629         (ix86_expand_vector_extract): Likewise.
8630         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
8631         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
8632         (ssescalarmode): Handle V4TImode and V2TImode.
8633         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
8634         (*vec_extractv2ti, *vec_extractv4ti): New insns.
8635         (VEXTRACTI128_MODE): New mode iterator.
8636         (splitter for *vec_extractv?ti first element): New.
8637         (VEC_INIT_MODE): New mode iterator.
8638         (vec_init<mode>): Consolidate 3 expanders into one using
8639         VEC_INIT_MODE mode iterator.
8640
8641 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
8642
8643         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
8644         non_spilled_static_chain_regno_p.
8645
8646 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
8647
8648         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
8649
8650 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
8651
8652         * bb-reorder.c (connect_traces): Allow copying of blocks within
8653         single partition.
8654
8655 2017-07-20  Richard Biener  <rguenther@suse.de>
8656
8657         * gimple.h (gimple_phi_result): Add gphi * overload.
8658         (gimple_phi_result_ptr): Likewise.
8659         (gimple_phi_arg): Likewise.  Adjust index assert to only
8660         allow actual argument accesses rather than all slots available
8661         by capacity.
8662         (gimple_phi_arg_def): Add gphi * overload.
8663         * tree-phinodes.c (make_phi_node): Initialize only actual
8664         arguments.
8665         (resize_phi_node): Clear memory not covered by old node,
8666         do not initialize excess argument slots.
8667         (reserve_phi_args_for_new_edge): Initialize new argument slot
8668         completely.
8669
8670 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
8671
8672         PR tree-optimization/81388
8673         Revert r238585:
8674         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
8675
8676         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
8677         by removing computation of may_be_zero.
8678
8679 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8680             Tom de Vries  <tom@codesourcery.com>
8681
8682         PR middle-end/81030
8683         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
8684         when gimple level profile disagrees with what RTL expander did.
8685
8686 2017-07-20  Richard Biener  <rguenther@suse.de>
8687
8688         PR tree-optimization/61171
8689         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
8690         (vect_analyze_stmt): Add slp instance parameter.
8691         (vectorizable_reduction): Likewise.
8692         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
8693         (vect_is_simple_reduction): Deal with chains not detected
8694         as SLP reduction chain, specifically not properly associated
8695         chains containing a mix of plus/minus.
8696         (get_reduction_op): Remove.
8697         (get_initial_defs_for_reduction): Simplify, pass in whether
8698         this is a reduction chain, pass in the SLP node for the PHIs.
8699         (vect_create_epilog_for_reduction): Get the SLP instance as
8700         arg and adjust.
8701         (vectorizable_reduction): Get the SLP instance as arg.
8702         During analysis remember the SLP node with the PHIs in the
8703         instance.  Simplify getting at the vectorized reduction PHIs.
8704         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
8705         through SLP instance.
8706         (vect_slp_analyze_operations): Likewise.
8707         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
8708         (vect_transform_stmt): Likewise.
8709
8710 2017-07-20  Tom de Vries  <tom@codesourcery.com>
8711
8712         PR tree-optimization/81489
8713         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
8714         read of phi arg location to before loop that modifies phi.
8715
8716 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
8717
8718         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
8719         New pattern.
8720
8721 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8722
8723         PR middle-end/81331
8724         * except.c (execute): Fix ordering issue.
8725
8726 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
8727
8728         PR rtl-optimization/81423
8729         * combine.c (make_compound_operation_int): Don't try to optimize
8730         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
8731
8732 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
8733
8734         PR rtl-optimization/81423
8735         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
8736         with a constant that is -1 in the truncated to mode.
8737
8738 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8739
8740         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
8741         (determine_unlikely_bbs): ... here.
8742         * predict.h (propagate_unlikely_bbs_forward): Declare.
8743         * cfgexpand.c (pass_expand::execute): Use it.
8744         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
8745         unlikely edges.
8746         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
8747         propagate_unlikely_bbs_forward.
8748
8749 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8750
8751         PR middle-end/81331
8752         * except.c (maybe_add_nop_after_section_switch): New function.
8753         (execute): Use it.
8754
8755 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8756
8757         * gimple.h (gimple_phi_set_arg): Make assert more strict.
8758
8759 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8760
8761         * gimple.h (gimple_phi_arg): Make assert more strict.
8762
8763 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
8764
8765         * config.gcc (powerpc*-*-*): Add mmintrin.h.
8766         * config/rs6000/mmintrin.h: New file.
8767         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
8768
8769 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
8770
8771         PR tree-optimization/81346
8772         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
8773
8774 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8775
8776         * config/nvptx/nvptx.md (VECIM): Add V2DI.
8777
8778 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8779
8780         * config/nvptx/nvptx-modes.def: Add V2DImode.
8781         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
8782         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
8783         (nvptx_output_mov_insn): Handle lack of mov.b128.
8784         (nvptx_print_operand): Handle 'H' and 'L' codes.
8785         (nvptx_vector_mode_supported): Allow V2DImode.
8786         (nvptx_preferred_simd_mode): New function.
8787         (nvptx_data_alignment): New function.
8788         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
8789         nvptx_preferred_simd_mode.
8790         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
8791         64 to 128 bits.
8792         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
8793
8794 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8795
8796         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
8797         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
8798         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
8799         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
8800         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
8801         (mov<VECIM>_insn): New define_insn.
8802         (define_expand "mov<VECIM>): New define_expand.
8803
8804 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8805
8806         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
8807
8808 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
8809
8810         PR tree-optimization/81346
8811         * fold-const.h (fold_div_compare, range_check_type): Declare.
8812         * fold-const.c (range_check_type): New function.
8813         (build_range_check): Use range_check_type.
8814         (fold_div_compare): No longer static, rewritten into
8815         a match.pd helper function.
8816         (fold_comparison): Don't call fold_div_compare here.
8817         * match.pd (X / C1 op C2): New optimization using fold_div_compare
8818         as helper function.
8819
8820 2017-07-19  Nathan Sidwell  <nathan@acm.org>
8821
8822         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
8823         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
8824         * tree.c (find_decls_types_r, verify_type): Use
8825         TYPE_{MIN,MAX}_VALUE_RAW.
8826         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
8827         (hash_tree): Likewise.
8828         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
8829         Likewise.
8830         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
8831         Likewise.
8832
8833 2017-07-18  Tom de Vries  <tom@codesourcery.com>
8834
8835         PR middle-end/81464
8836         * omp-expand.c (expand_omp_for_static_chunk): Handle
8837         equal-argument loop exit phi.
8838
8839 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
8840
8841         PR target/81471
8842         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
8843         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
8844         operand 2 predicate.
8845         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
8846         operand 2 predicate.
8847         (ror,rol -> rorx splitters): Use const_int_operand as
8848         operand 2 predicate.
8849
8850 2017-06-18  Richard Biener  <rguenther@suse.de>
8851
8852         PR tree-optimization/81410
8853         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
8854         the gap in the ! slp_perm SLP case after each group.
8855
8856 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8857
8858         PR middle-end/81463
8859         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
8860         again.
8861
8862 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8863
8864         PR middle-end/81462
8865         * predict.c (set_even_probabilities): Cleanup; do not affect
8866         probabilities that are already known.
8867         (combine_predictions_for_bb): Call even when count is set.
8868
8869 2017-07-18  Nathan Sidwell  <nathan@acm.org>
8870
8871         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
8872         TYPE_MAX_VALUE.
8873
8874 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8875
8876         PR target/81408
8877         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
8878         optimization for loop niter analysis.
8879
8880 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
8881
8882         PR target/81473
8883         * config/avr/avr.c (avr_optimize_casesi): Don't use
8884         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
8885
8886 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8887
8888         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
8889         body_cost_vec from _vect_peel_extended_info.
8890         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
8891         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
8892         npeel.
8893
8894 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8895
8896         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
8897
8898 2017-07-18  Richard Biener  <rguenther@suse.de>
8899
8900         PR tree-optimization/80620
8901         PR tree-optimization/81403
8902         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
8903         info when re-using a VN table entry.
8904
8905 2017-07-18  Richard Biener  <rguenther@suse.de>
8906
8907         PR tree-optimization/81418
8908         * tree-vect-loop.c (vectorizable_reduction): Properly compute
8909         vectype_in.  Verify that with lane-reducing reduction operations
8910         we have a single def-use cycle.
8911
8912 2017-07-17  Carl Love  <cel@us.ibm.com>
8913
8914         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
8915
8916         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8917         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8918         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8919         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8920         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8921         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
8922         VMULOSW): New enum "unspec" values.
8923         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
8924         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
8925         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
8926         altivec_vmulosw): New patterns.
8927         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8928         VMULOSW): Add definitions.
8929 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
8930
8931         * config/alpha/alpha.c: Include predict.h.
8932
8933 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
8934
8935         * tree-vrp.c (compare_assert_loc): Fix comparison function
8936         to return predictable results.
8937
8938 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8939
8940         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
8941         option.
8942         (subdi3): Likewise.
8943         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
8944         * doc/invoke.texi (mexpand-adddi): Update text.
8945
8946 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8947
8948         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
8949         that also clobbers the CC register. The old expand code is moved
8950         to ...
8951         (*arc_clzsi2): ... here.
8952         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
8953         the CC register. The old expand code is moved to ...
8954         (arc_ctzsi2): ... here.
8955
8956 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8957
8958         * config/arc/arc.opt (mindexed-loads): Use initial value
8959         TARGET_INDEXED_LOADS_DEFAULT.
8960         (mauto-modify-reg): Use initial value
8961         TARGET_AUTO_MODIFY_REG_DEFAULT.
8962         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8963         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8964         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8965         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8966
8967 2017-07-17  Martin Liska  <mliska@suse.cz>
8968
8969         PR sanitizer/81302
8970         * opts.c (finish_options): Do not allow -fgnu-tm
8971         w/ -fsanitize={kernel-,}address.  Say sorry.
8972
8973 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8974
8975         PR target/81369
8976         * tree-loop-distribution.c (classify_partition): Only assert on
8977         numer of iterations.
8978         (merge_dep_scc_partitions): Delete prameter.  Update function call.
8979         (distribute_loop): Remove code handling loop with unknown niters.
8980         (pass_loop_distribution::execute): Skip loop with unknown niters.
8981
8982 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8983
8984         PR target/81369
8985         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
8986         function sort_partitions_by_post_order.
8987
8988 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8989
8990         PR tree-optimization/81374
8991         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
8992         the max index of basic blocks, rather than number of basic blocks.
8993
8994 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8995
8996         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
8997         proto.
8998         (arc_legitimate_pic_operand_p): Likewise.
8999         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
9000         function.
9001         (arc_needs_pcl_p): Likewise.
9002         (arc_legitimate_pc_offset_p): Likewise.
9003         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
9004         function is also used in constrains.md.
9005         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
9006         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
9007         PLUS.  Only return true/false in known cases, otherwise assert.
9008         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
9009         is already called in arc_legitimate_constant_p.
9010         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
9011         pic addresses.
9012         (LEGITIMATE_PIC_OPERAND_P): Use
9013         arc_raw_symbolic_reference_mentioned_p function.
9014         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
9015         function.
9016         (Cal): Likewise.
9017         (C32): Likewise.
9018
9019 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
9020         Andrew Burgess  <andrew.burgess@embecosm.com>
9021
9022         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
9023         (arc_return_address_register): New function.
9024         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
9025         (arc_handle_fndecl_attribute): Add naked attribute.
9026         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
9027         (TARGET_WARN_FUNC_RETURN): Likewise.
9028         (arc_allocate_stack_slots_for_args): New function.
9029         (arc_warn_func_return): Likewise.
9030         (machine_function): Change type fn_type.
9031         (arc_compute_function_type): Consider new naked function type,
9032         change function return type.
9033         (arc_must_save_register): Adapt to handle new
9034         arc_compute_function_type's return type.
9035         (arc_expand_prologue): Likewise.
9036         (arc_expand_epilogue): Likewise.
9037         (arc_return_address_regs): Delete.
9038         (arc_return_address_register): New function.
9039         (arc_epilogue_uses): Use above function.
9040         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
9041         (arc_function_type): Change encoding, add naked type.
9042         (ARC_INTERRUPT_P): Change to handle the new encoding.
9043         (ARC_FAST_INTERRUPT_P): Likewise.
9044         (ARC_NORMAL_P): Define.
9045         (ARC_NAKED_P): Likewise.
9046         (arc_compute_function_type): Delete prototype.
9047         * config/arc/arc.md (in_ret_delay_slot): Use
9048         arc_return_address_register function.
9049         (simple_return): Likewise.
9050         (p_return_i): Likewise.
9051
9052 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
9053
9054         PR tree-optimization/81428
9055         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
9056         can't be built for those types.
9057
9058 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
9059
9060         Remove stuff dead since r239246.
9061
9062         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
9063         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
9064         (avr_inform_devices): Remove dead stuff.
9065
9066 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
9067
9068         * config/arm/arm_neon.h: Fix softp typo.
9069
9070 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
9071
9072         PR tree-optimization/81365
9073         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
9074         aggregate moves onto bb predecessor edges, make sure there are no
9075         loads that could alias the lhs in between the start of bb and the
9076         loads from *phi.
9077
9078 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
9079
9080         PR 80929
9081         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
9082         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
9083         [LSHIFTRT, outer_code = TRUNCATE]: Same.
9084
9085 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
9086
9087         PR tree-optimization/81396
9088         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
9089         (init_symbolic_number): Initialize it to 1.
9090         (perform_symbolic_merge): Add n_ops from both operands into the new
9091         n_ops.
9092         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
9093         without base_addr as useless if they need more than one operation.
9094         (bswap_replace): Handle !bswap case for NULL base_addr.
9095
9096 2017-07-17  Tom de Vries  <tom@codesourcery.com>
9097
9098         PR target/81069
9099         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
9100         as possible.
9101
9102 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9103
9104         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
9105         conditional builtin define __FIX_LEON3FT_B2BST.
9106
9107 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
9108
9109         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
9110         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
9111         with -mfix-ut700.
9112
9113 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
9114
9115         PR rtl-optimization/81424
9116         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
9117         to remove potential trapping from operands if -fnon-call-exceptions.
9118
9119 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9120
9121         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
9122         profile_proability for scalling.
9123         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
9124
9125 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9126
9127         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
9128
9129 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9130
9131         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
9132         fixpoint arithmetics.
9133
9134 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9135
9136         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
9137         fixpoint arithmetics.
9138
9139 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9140
9141         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
9142         fixpoint arithmetics.
9143
9144 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
9145
9146         * profile-count.h (profile_probability::from_reg_br_prob_note,
9147         profile_probability::to_reg_br_prob_note): New functions.
9148         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
9149         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
9150         * predict.c (probability_reliable_p): Update.
9151         (edge_probability_reliable_p): Update.
9152         (br_prob_note_reliable_p): Update.
9153         (invert_br_probabilities): Update.
9154         (add_reg_br_prob_note): New function.
9155         (combine_predictions_for_insn): Update.
9156         * asan.c (asan_clear_shadow): Update.
9157         * cfgbuild.c (compute_outgoing_frequencies): Update.
9158         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
9159         (update_br_prob_note): Update.
9160         (rtl_verify_edges): Update.
9161         (purge_dead_edges): Update.
9162         (fixup_reorder_chain): Update.
9163         * emit-rtl.c (try_split): Update.
9164         * ifcvt.c (cond_exec_process_insns): Update.
9165         (cond_exec_process_if_block): Update.
9166         (dead_or_predicable): Update.
9167         * internal-fn.c (expand_addsub_overflow): Update.
9168         (expand_neg_overflow): Update.
9169         (expand_mul_overflow): Update.
9170         * loop-doloop.c (doloop_modify): Update.
9171         * loop-unroll.c (compare_and_jump_seq): Update.
9172         * optabs.c (emit_cmp_and_jump_insn_1): Update.
9173         * predict.h: Update.
9174         * reorg.c (mostly_true_jump): Update.
9175         * rtl.h: Update.
9176         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
9177         * config/alpha/alpha.c (emit_unlikely_jump): Update.
9178         * config/arc/arc.c: (emit_unlikely_jump): Update.
9179         * config/arm/arm.c: (emit_unlikely_jump): Update.
9180         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
9181         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
9182         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
9183         (ix86_print_operand): Update.
9184         (ix86_split_fp_branch): Update.
9185         (predict_jump): Update.
9186         * config/ia64/ia64.c (ia64_print_operand): Update.
9187         * config/mmix/mmix.c (mmix_print_operand): Update.
9188         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
9189         (rs6000_expand_split_stack_prologue): Update.
9190         * config/rs6000/rs6000.c: Update.
9191         * config/s390/s390.c (s390_expand_vec_strlen): Update.
9192         (s390_expand_vec_movstr): Update.
9193         (s390_expand_cs_tdsi): Update.
9194         (s390_expand_split_stack_prologue): Update.
9195         * config/sh/sh.c (sh_print_operand): Update.
9196         (expand_cbranchsi4): Update.
9197         (expand_cbranchdi4): Update.
9198         * config/sparc/sparc.c (output_v9branch): Update.
9199         * config/spu/spu.c (get_branch_target): Update.
9200         (ea_load_store_inline): Update.
9201         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
9202         * config/tilepro/tilepro.c: Update.
9203
9204 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
9205
9206         * gimplify.c (mostly_copy_tree_r): Revert latest change.
9207         (gimplify_save_expr): Likewise.
9208
9209 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9210
9211         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
9212
9213 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9214
9215         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
9216         TV_IPA_FNSUMMARY.
9217         * timevar.def (TV_IPA_FNSUMMARY): Define.
9218
9219 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
9220
9221         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
9222         to back store errata sensitive sequence from being generated.
9223         (sqrtdf2_fix): Likewise.
9224
9225 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9226
9227         * tree-ssa-threadupdate.c (compute_path_counts,
9228         update_joiner_offpath_counts): Use profile_probability.
9229
9230 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9231
9232         Revert:
9233         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9234
9235         * config/arm/arm-c.c (arm_cpu_builtins): Define
9236         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
9237
9238 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9239
9240         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9241         array entries to represent __ieee128 versions of the
9242         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
9243         scalar_extract_sig, and scalar_insert_exp built-in functions.
9244         (altivec_resolve_overloaded_builtin): Add special case handling
9245         for the __builtin_scalar_insert_exp function, as represented by
9246         the P9V_BUILTIN_VEC_VSIEDP constant.
9247         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
9248         exponent support for __ieee128 argument.
9249         (VSESQP): Add scalar extract signature support for __ieee128
9250         argument.
9251         (VSTDCNQP): Add scalar test negative support for __ieee128
9252         argument.
9253         (VSIEQP): Add scalar insert exponent support for __int128 argument
9254         with __ieee128 result.
9255         (VSIEQPF): Add scalar insert exponent support for __ieee128
9256         argument with __ieee128 result.
9257         (VSTDCQP): Add scalar test data class support for __ieee128
9258         argument.
9259         (VSTDCNQP): Add overload support for scalar test negative with
9260         __ieee128 argument.
9261         (VSTDCQP): Add overload support for scalar test data class
9262         __ieee128 argument.
9263         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
9264         UNSPEC_VSX_SXSIGDP.
9265         (UNSPEC_VSX_SIEXPQP): New constant.
9266         (xsxexpqp): New insn for VSX scalar extract exponent quad
9267         precision.
9268         (xsxsigqp): New insn for VSX scalar extract significand quad
9269         precision.
9270         (xsiexpqpf): New insn for VSX scalar insert exponent quad
9271         precision with floating point argument.
9272         (xststdcqp): New expand for VSX scalar test data class quad
9273         precision.
9274         (xststdcnegqp): New expand for VSX scalar test negative quad
9275         precision.
9276         (xststdcqp): New insn to match expansions for VSX scalar test data
9277         class quad precision and VSX scalar test negative quad precision.
9278         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
9279         special case operand checking to enforce that second operand of
9280         VSX scalar test data class with quad precision argument is a 7-bit
9281         unsigned literal.
9282         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
9283         prototypes and descriptions of __ieee128 versions of
9284         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
9285         scalar_test_data_class, and scalar_test_neg built-in functions.
9286
9287 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9288
9289         PR tree-optimization/81162
9290         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
9291         replace a negate with an add.
9292
9293 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
9294
9295         * doc/invoke.texi (arm/-mcpu): Document +crypto.
9296
9297 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9298
9299         * config/arm/arm-c.c (arm_cpu_builtins): Define
9300         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
9301
9302 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9303
9304         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
9305         (armv8-r): Set ARM Cortex-R52 as default CPU.
9306         * config/arm/arm-tables.opt: Regenerate.
9307         * config/arm/arm-tune.md: Regenerate.
9308         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
9309         Cortex-R52.
9310         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
9311         extension for -mcpu=cortex-r52.
9312
9313 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9314
9315         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
9316         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
9317         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
9318         (fp-armv8): Define it as FP_ARMv8 only.
9319         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
9320         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
9321         TARGET_FPU_ARMV8.
9322         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
9323         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
9324         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
9325         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
9326         than TARGET_FPU_ARMV8.
9327         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
9328         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
9329         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
9330         TARGET_FPU_ARMV8.
9331         * config/arm/neon.md (neon_vrint): Likewise.
9332         (neon_vcvt): Likewise.
9333         (neon_<fmaxmin_op><mode>): Likewise.
9334         (<fmaxmin><mode>3): Likewise.
9335         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
9336         * config/arm/predicates.md (arm_cond_move_operator): Check against
9337         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
9338
9339 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
9340
9341         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
9342         to top of function.
9343
9344 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9345
9346         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
9347         loop in comment with memset.
9348
9349 2017-07-14  Martin Liska  <mliska@suse.cz>
9350
9351         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
9352         * dwarf2out.c (is_java): Remove the function.
9353         (output_pubname): Remove usage of the function.
9354         (lower_bound_default): Remove usage of DW_LANG_Java.
9355         (gen_compile_unit_die): Likewise.
9356         * gcc.c: Remove compiler defaults for .java and .zip files.
9357         * gimple-expr.c (remove_suffix): Change as there's no longer
9358         extension than 4-letter one.
9359         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
9360         (gimplify_save_expr): Likewise.
9361         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
9362         as it's possible even for other languages than Java.
9363         * langhooks.h (struct lang_hooks): Remove Java from a comment.
9364         * lto-opts.c (lto_write_options): Remove reference to Java.
9365         * opts.c (strip_off_ending): Update file extension handling.
9366         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
9367         * tree-eh.c (lower_resx): Likewise.
9368         * tree.c (free_lang_data_in_type): Remove dead code.
9369         (find_decls_types_r): Likewise.
9370         (build_common_builtin_nodes): Remove Java from a comment.
9371         (verify_type): Remove dead code.
9372         * varasm.c (assemble_external): Remove Java from a comment.
9373
9374 2017-07-14  Martin Liska  <mliska@suse.cz>
9375
9376         * opts.c (finish_options): Add quotes.
9377         (common_handle_option): Likewise.
9378
9379 2017-07-14  Martin Liska  <mliska@suse.cz>
9380
9381         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
9382         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
9383         Remove N_SO_PASCAL.
9384         * dwarf2out.c (lower_bound_default): Do not handle
9385         DW_LANG_Pascal83.
9386         (gen_compile_unit_die): Likewise.
9387         * gcc.c: Remove default extension binding for GNU Pascal.
9388         * stmt.c: Remove Pascal language from a comment.
9389         * xcoffout.c: Likewise.
9390
9391 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
9392
9393         PR c/81405
9394         * diagnostic-show-locus.c (fixit_cmp): New function.
9395         (layout::layout): Sort m_fixit_hints.
9396         (column_range::column_range): Assert that the values are valid.
9397         (struct char_span): New struct.
9398         (correction::overwrite): New method.
9399         (struct source_line): New struct.
9400         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
9401         calls in terms of classes source_line and char_span, and
9402         correction::overwrite.
9403         (selftest::test_overlapped_fixit_printing_2): New function.
9404         (selftest::diagnostic_show_locus_c_tests): Call it.
9405
9406 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
9407
9408         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
9409         early if there is no lhs.
9410
9411 2017-07-13  Martin Liska  <mliska@suse.cz>
9412
9413         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
9414         (gen_reference_type_die): Likewise.
9415         * stor-layout.c: Remove Pascal-related comment.
9416
9417 2017-07-13  Martin Liska  <mliska@suse.cz>
9418
9419         * opts.c (finish_options): Add quotes to error messages.
9420         (parse_sanitizer_options): Likewise.
9421
9422 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9423
9424         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
9425
9426 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
9427
9428         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
9429
9430 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
9431
9432         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
9433         during expansion.
9434         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
9435
9436 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9437
9438         PR target/81193
9439         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
9440         provides the hardware capability bits, define the macro
9441         __BUILTIN_CPU_SUPPORTS__.
9442         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
9443         if GLIBC does not provide the hardware capability bits.  Add a
9444         gcc_unreachable call if the built-in cpu function is neither
9445         __builtin_cpu_is nor __builtin_cpu_supports.
9446         (rs6000_get_function_versions_dispatcher): Change the warning
9447         that an old GLIBC is used which does not export the capability
9448         bits to be an error.
9449         * doc/extend.texi (target_clones attribute): Document the
9450         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
9451         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
9452         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
9453         the macros defined by GCC if the newer GLIBC is available.
9454
9455 2017-07-12  Jeff Law  <law@redhat.com>
9456
9457         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
9458         remaining includes slightly.
9459         * config/riscv/riscv-builtins.c: Include profile-count.h.
9460
9461 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
9462
9463         PR target/79883
9464         * config/avr/avr.c (avr_set_current_function): In diagnostic
9465         messages: Quote keywords and (parts of) identifiers.
9466         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
9467         "INTERUPT".
9468
9469 2017-07-12  Carl Love  <cel@us.ibm.com>
9470
9471         * config/rs6000/rs6000-c.c: Add support for built-in functions
9472         vector bool char vec_revb (vector bool char);
9473         vector bool short vec_revb (vector short char);
9474         vector bool int vec_revb (vector bool int);
9475         vector bool long long vec_revb (vector bool long long);
9476         * doc/extend.texi: Update the built-in documentation file for the
9477         new built-in functions.
9478
9479 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9480
9481         * config/s390/s390.md: Remove movcc splitter.
9482
9483 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9484
9485         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
9486         load/store on condition.
9487
9488 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
9489
9490         PR target/81407
9491         * config/avr/avr.c (avr_encode_section_info)
9492         [progmem && !TREE_READONLY]: Error if progmem object needs
9493         constructing.
9494
9495 2017-07-11  Michael Collison  <michael.collison@arm.com>
9496
9497         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
9498         New pattern.
9499
9500 2017-07-11  Carl Love  <cel@us.ibm.com>
9501
9502         * config/rs6000/rs6000-c.c: Add support for builtins
9503         vector unsigned int vec_parity_lsbb (vector signed int);
9504         vector unsigned int vec_parity_lsbb (vector unsigned int);
9505         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
9506         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
9507         vector unsigned long long vec_parity_lsbb (vector signed long long);
9508         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
9509         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
9510         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
9511         * doc/extend.texi: Update the built-in documentation file for the
9512         new built-in functions.
9513
9514 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
9515
9516         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
9517         (layout::m_primary_loc): New field.
9518         (layout::layout): Initialize new field.  Move location filtering
9519         logic from here to...
9520         (layout::maybe_add_location_range): ...this new method.  Add
9521         support for filtering to just the lines already specified by other
9522         locations.
9523         (layout::will_show_line_p): New method.
9524         (gcc_rich_location::add_location_if_nearby): New method.
9525         (selftest::test_add_location_if_nearby): New test function.
9526         (selftest::diagnostic_show_locus_c_tests): Call it.
9527         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
9528         New method.
9529
9530 2017-07-11  Tom de Vries  <tom@codesourcery.com>
9531
9532         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
9533         (bb_first_real_insn): New function.
9534         (nvptx_single): Add extra initialization of broadcasted condition
9535         variables.
9536
9537 2017-07-11  Nathan Sidwell  <nathan@acm.org>
9538
9539         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
9540
9541 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
9542
9543         * doc/extend.texi (AVR Function Attributes): Remove weblink to
9544         Binutils doc as TEXI will mess them up.
9545         * doc/invoke.texi (AVR Options): Same here.
9546
9547 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
9548
9549         * config/sparc/sparc.opt (mfix-ut700): New option.
9550         (mfix-gr712rc): Likewise.
9551         (sparc_fix_b2bst): New variable.
9552         * doc/invoke.texi (SPARC options): Document them.
9553         (ARM options): Fix warnings.
9554         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
9555         instructions to prevent sequences that can trigger the store-store
9556         errata for certain LEON3FT processors.
9557         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
9558         (sparc_option_override): Set sparc_fix_b2bst appropriately.
9559         * config/sparc/sparc.md (fix_b2bst): New attribute.
9560         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
9561
9562 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
9563
9564         PR target/81375
9565         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
9566         (rcpps): Ditto.
9567         (*rsqrtsf2_sse): Ditto.
9568         (rsqrtsf2): Ditto.
9569         (div<mode>3): Macroize insn from divdf3 and divsf3
9570         using MODEF mode iterator.
9571
9572 2017-07-10  Martin Sebor  <msebor@redhat.com>
9573
9574         PR tree-optimization/80397
9575         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
9576         instead of testing for equality to INTEGER_TYPE.
9577
9578 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
9579
9580         * config.gcc: Remove uclibc from arc target spec.
9581
9582 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
9583
9584         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
9585
9586 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
9587
9588         PR lto/80838
9589         * lto-wrapper.c (remove_option): New function.
9590         (merge_and_complain): Merge PIC/PIE options more realistically.
9591
9592 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
9593
9594         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
9595
9596         PR target/20296
9597         PR target/81268
9598         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
9599         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
9600         * config.in: Regenerate.
9601         * configure: Regenerate.
9602         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
9603         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
9604         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
9605         (TARGET_GASISR_PROLOGUES): ...target mask.
9606         * common/config/avr/avr-common.c
9607         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
9608         Set -mgas-isr-prologues.
9609         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
9610         INSERT_PASS_BEFORE for it.
9611         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
9612         * config/avr/avr.c (avr_option_override)
9613         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
9614         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
9615         (avr_attribute_table) <no_gccisr>: Add new function attribute.
9616         (avr_set_current_function) <is_no_gccisr>: Init machine field.
9617         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
9618         and rtl_opt_pass.
9619         (make_avr_pass_pre_proep): New function.
9620         (emit_push_sfr) <treg>: Add argument to function and use it
9621         instead of TMP_REG.
9622         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
9623         and set machine->gasisr.yes.
9624         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
9625         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
9626         __gcc_isr.n_pushed to .L__stack_usage.
9627         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
9628         (avr_asm_final_postscan_insn): ...this new static function.
9629         * config/avr/avr.h (machine_function)
9630         <is_no_gccisr, use_L__stack_usage>: New fields.
9631         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
9632         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
9633         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
9634         (gasisr, *gasisr): New expander and insn.
9635         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
9636         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
9637         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
9638
9639 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
9640
9641         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
9642         in quoted strings.
9643
9644 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
9645
9646         Move jump-tables out of .text again.
9647
9648         PR target/81075
9649         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
9650         (ASM_OUTPUT_ADDR_VEC): New function.
9651         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
9652         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
9653         INSN_ADDRESSes as asm comment.
9654         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
9655         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
9656         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
9657         * config/avr/avr.md (*tablejump): Adjust comment.
9658         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
9659         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
9660         New detail.
9661         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
9662         (avr_output_addr_vec): New proto.
9663         (avr_log_t) <insn_addresses>: New field.
9664
9665 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
9666
9667         PR target/81313
9668         * config/i386/i386.c (ix86_function_arg_advance): Set
9669         outgoing_args_on_stack to true if there are outgoing arguments
9670         on stack.
9671         (ix86_function_arg): Likewise.
9672         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
9673         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
9674         * config/i386/i386.h (machine_function): Add
9675         outgoing_args_on_stack.
9676
9677 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
9678
9679         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
9680         supporting pthreds.
9681         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
9682
9683 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
9684
9685         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
9686         (REAL_H): Remove $(MACHMODE_H).
9687         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
9688         double-int.h.
9689         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
9690         $(MACHMODE_H) and double-int.h.
9691         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
9692         $(MACHMODE_H).
9693         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
9694         double-int.h.
9695
9696 2017-07-07  Andrew Pinski  <apinski@cavium.com>
9697
9698         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
9699         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
9700
9701 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
9702
9703         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
9704         Add warning if GCC was not configured to link against a GLIBC that
9705         exports the hardware capability bits.
9706         (make_resolver_func): Make resolver function private and not a
9707         COMDAT function.  Create the name with clone_function_name instead
9708         of make_unique_name.
9709
9710         PR target/81348
9711         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
9712         correct operand in doing the split.
9713
9714 2017-07-07 Carl Love  <cel@us.ibm.com>
9715
9716         * config/rs6000/rs6000-c: Add support for built-in function
9717         vector unsigned short vec_pack_to_short_fp32 (vector float,
9718                                                       vector float).
9719         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
9720         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
9721         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
9722         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
9723         (convert_4f32_8i16): Add define_expand.
9724         * doc/extend.texi: Update the built-in documentation file for the
9725         new built-in function.
9726
9727 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9728
9729         * config/sparc/m8.md: New file.
9730         * config/sparc/sparc.md: Include m8.md.
9731
9732 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9733
9734         * config/sparc/sparc.opt: New option -mvis4b.
9735         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
9736         (sparc_option_override): Handle VIS4B.
9737         (enum sparc_builtins): Define
9738         SPARC_BUILTIN_DICTUNPACK{8,16,32},
9739         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
9740         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
9741         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
9742         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
9743         (check_constant_argument): New function.
9744         (sparc_vis_init_builtins): Define builtins
9745         __builtin_vis_dictunpack{8,16,32},
9746         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
9747         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
9748         __builtin_vis_fpcmpde{8,16,32}shl and
9749         __builtin_vis_fpcmpur{8,16,32}shl.
9750         (sparc_expand_builtin): Check that the constant operands to
9751         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
9752         constant and in range.
9753         * config/sparc/sparc-c.c (sparc_target_macros): Handle
9754         TARGET_VIS4B.
9755         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
9756         (SPARC_IMM5_P): Likewise.
9757         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
9758         (enabled): Handle vis4b.
9759         (UNSPEC_DICTUNPACK): New unspec.
9760         (UNSPEC_FPCMPSHL): Likewise.
9761         (UNSPEC_FPUCMPSHL): Likewise.
9762         (UNSPEC_FPCMPDESHL): Likewise.
9763         (UNSPEC_FPCMPURSHL): Likewise.
9764         (cpu_feature): New CPU feature `vis4b'.
9765         (dictunpack{8,16,32}): New insns.
9766         (FPCSMODE): New mode iterator.
9767         (fpcscond): New code iterator.
9768         (fpcsucond): Likewise.
9769         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
9770         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
9771         (fpcmpde{8,16,32}{si,di}shl): Likewise.
9772         (fpcmpur{8,16,32}{si,di}shl): Likewise.
9773         * config/sparc/constraints.md: Define constraints `q' for unsigned
9774         2-bit integer constants and `t' for unsigned 5-bit integer
9775         constants.
9776         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
9777         predicate.
9778         (imm5_operand_dictunpack16): Likewise.
9779         (imm5_operand_dictunpack32): Likewise.
9780         (imm2_operand): Likewise.
9781         * doc/invoke.texi (SPARC Options): Document -mvis4b.
9782         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
9783         ditunpack* and fpcmp*shl builtins.
9784
9785 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9786
9787         * config.gcc: Handle m8 in --with-{cpu,tune} options.
9788         * config.in: Add HAVE_AS_SPARC6 define.
9789         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
9790         M8.
9791         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
9792         TARGET_CPU_m8.
9793         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
9794         (CPP_CPU_SPEC): Handle m8.
9795         (ASM_CPU_SPEC): Likewise.
9796         * config/sparc/sparc-opts.h (enum processor_type): Add
9797         PROCESSOR_M8.
9798         * config/sparc/sparc.c (m8_costs): New struct.
9799         (sparc_option_override): Handle TARGET_CPU_m8.
9800         (sparc32_initialize_trampoline): Likewise.
9801         (sparc64_initialize_trampoline): Likewise.
9802         (sparc_issue_rate): Likewise.
9803         (sparc_register_move_cost): Likewise.
9804         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
9805         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
9806         (ASM_CPU64_DEFAULT_SPEC): Likewise.
9807         (CPP_CPU_SPEC): Handle M8.
9808         (ASM_CPU_SPEC): Likewise.
9809         (AS_M8_FLAG): Define.
9810         * config/sparc/sparc.md: Add m8 to the cpu attribute.
9811         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
9812         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
9813         M8 instructions.
9814         * configure: Regenerate.
9815         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
9816         -mtune=m8.
9817
9818 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9819
9820         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
9821         subtypes.
9822         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
9823         ("*movdi_insn_sp32"): Do not set v3pipe.
9824         ("*movsi_insn"): Likewise.
9825         ("*movdi_insn_sp64"): Likewise.
9826         ("*movsf_insn"): Likewise.
9827         ("*movdf_insn_sp32"): Likewise.
9828         ("*movdf_insn_sp64"): Likewise.
9829         ("*zero_extendsidi2_insn_sp64"): Likewise.
9830         ("*sign_extendsidi2_insn"): Likewise.
9831         ("*mov<VM32:mode>_insn"): Likewise.
9832         ("*mov<VM64:mode>_insn_sp64"): Likewise.
9833         ("*mov<VM64:mode>_insn_sp32"): Likewise.
9834         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
9835         ("<vlop:code><VL:mode>3"): Likewise.
9836         ("*not_<vlop:code><VL:mode>3"): Likewise.
9837         ("*nand<VL:mode>_vis"): Likewise.
9838         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
9839         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
9840         ("one_cmpl<VL:mode>2"): Likewise.
9841         ("faligndata<VM64:mode>_vis"): Likewise.
9842         ("alignaddrsi_vis"): Likewise.
9843         ("alignaddrdi_vis"): Likweise.
9844         ("alignaddrlsi_vis"): Likewise.
9845         ("alignaddrldi_vis"): Likewise.
9846         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
9847         ("bmaskdi_vis"): Likewise.
9848         ("bmasksi_vis"): Likewise.
9849         ("bshuffle<VM64:mode>_vis"): Likewise.
9850         ("cmask8<P:mode>_vis"): Likewise.
9851         ("cmask16<P:mode>_vis"): Likewise.
9852         ("cmask32<P:mode>_vis"): Likewise.
9853         ("pdistn<P:mode>_vis"): Likewise.
9854         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
9855
9856 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9857
9858         * config/sparc/sparc.md ("subtype"): New insn attribute.
9859         ("*wrgsr_sp64"): Set insn subtype.
9860         ("*rdgsr_sp64"): Likewise.
9861         ("alignaddrsi_vis"): Likewise.
9862         ("alignaddrdi_vis"): Likewise.
9863         ("alignaddrlsi_vis"): Likewise.
9864         ("alignaddrldi_vis"): Likewise.
9865         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
9866         ("fexpand_vis"): Likewise.
9867         ("fpmerge_vis"): Likewise.
9868         ("faligndata<VM64:mode>_vis"): Likewise.
9869         ("bshuffle<VM64:mode>_vis"): Likewise.
9870         ("cmask8<P:mode>_vis"): Likewise.
9871         ("cmask16<P:mode>_vis"): Likewise.
9872         ("cmask32<P:mode>_vis"): Likewise.
9873         ("fchksm16_vis"): Likewise.
9874         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
9875         ("fmean16_vis"): Likewise.
9876         ("fp<plusminus_insn>64_vis"): Likewise.
9877         ("<plusminus_insn>v8qi3"): Likewise.
9878         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
9879         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
9880         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
9881         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
9882         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
9883         ("*movqi_insn"): Likewise.
9884         ("*movhi_insn"): Likewise.
9885         ("*movsi_insn"): Likewise.
9886         ("movsi_pic_gotdata_op"): Likewise.
9887         ("*movdi_insn_sp32"): Likewise.
9888         ("*movdi_insn_sp64"): Likewise.
9889         ("movdi_pic_gotdata_op"): Likewise.
9890         ("*movsf_insn"): Likewise.
9891         ("*movdf_insn_sp32"): Likewise.
9892         ("*movdf_insn_sp64"): Likewise.
9893         ("*zero_extendhisi2_insn"): Likewise.
9894         ("*zero_extendqihi2_insn"): Likewise.
9895         ("*zero_extendqisi2_insn"): Likewise.
9896         ("*zero_extendqidi2_insn"): Likewise.
9897         ("*zero_extendhidi2_insn"): Likewise.
9898         ("*zero_extendsidi2_insn_sp64"): Likewise.
9899         ("ldfsr"): Likewise.
9900         ("prefetch_64"): Likewise.
9901         ("prefetch_32"): Likewise.
9902         ("tie_ld32"): Likewise.
9903         ("tie_ld64"): Likewise.
9904         ("*tldo_ldub_sp32"): Likewise.
9905         ("*tldo_ldub1_sp32"): Likewise.
9906         ("*tldo_ldub2_sp32"): Likewise.
9907         ("*tldo_ldub_sp64"): Likewise.
9908         ("*tldo_ldub1_sp64"): Likewise.
9909         ("*tldo_ldub2_sp64"): Likewise.
9910         ("*tldo_ldub3_sp64"): Likewise.
9911         ("*tldo_lduh_sp32"): Likewise.
9912         ("*tldo_lduh1_sp32"): Likewise.
9913         ("*tldo_lduh_sp64"): Likewise.
9914         ("*tldo_lduh1_sp64"): Likewise.
9915         ("*tldo_lduh2_sp64"): Likewise.
9916         ("*tldo_lduw_sp32"): Likewise.
9917         ("*tldo_lduw_sp64"): Likewise.
9918         ("*tldo_lduw1_sp64"): Likewise.
9919         ("*tldo_ldx_sp64"): Likewise.
9920         ("*mov<VM32:mode>_insn"): Likewise.
9921         ("*mov<VM64:mode>_insn_sp64"): Likewise.
9922         ("*mov<VM64:mode>_insn_sp32"): Likewise.
9923
9924 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9925
9926         * config/sparc/sparc.md ("type"): New insn type viscmp.
9927         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
9928         viscmp.
9929         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
9930         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
9931         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
9932         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
9933         viscmp.
9934         ("n7_vis_logical_11cycle"): Likewise.
9935         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
9936         * config/sparc/niagara2.md ("niag3_vis": Likewise.
9937         * config/sparc/niagara.md ("niag_vis"): Likewise.
9938         * config/sparc/ultra3.md ("us3_fga"): Likewise.
9939         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
9940
9941 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9942
9943         * config/sparc/sparc.md: New instruction type `bmask'.
9944         (bmaskdi_vis): Use the `bmask' type.
9945         (bmasksi_vis): Likewise.
9946         * config/sparc/ultra3.md (us3_array): Likewise.
9947         * config/sparc/niagara7.md (n7_array): Likewise.
9948         * config/sparc/niagara4.md (n4_array): Likewise.
9949         * config/sparc/niagara2.md (niag2_vis): Likewise.
9950         (niag3_vis): Likewise.
9951         * config/sparc/niagara.md (niag_vis): Likewise.
9952
9953 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9954
9955         * ipa-comdats.c: Remove optimize check from gate.
9956         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
9957         for functions not optimized.
9958         (ipa_fn_summary_read): Skip optimize check.
9959         (ipa_fn_summary_write): Likewise.
9960         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
9961         is optimized.
9962         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
9963         uninlinable.
9964         (can_inline_edge_p): Check flag_pcc_struct_return for match.
9965         (check_callers): Give up on caller which is not optimized.
9966         (inline_small_functions): Likewise.
9967         (ipa_inline): Do not give up when not optimizing.
9968         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
9969         away unoptimizes cdtors.
9970         (whole_program_function_and_variable_visibility): Do
9971         ipa_discover_readonly_nonaddressable_vars in LTO mode.
9972         * ipa.c (process_references): Do not check optimize.
9973         (symbol_table::remove_unreachable_nodes): Update optimize check.
9974         (set_writeonly_bit): Update optimize check.
9975         (pass_ipa_cdtor_merge::gate): Do not check optimize.
9976         (pass_ipa_single_use::gate): Remove.
9977
9978 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9979
9980         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
9981         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
9982         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
9983         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
9984         permute_load, permute_store, adjust_extract, adjust_splat,
9985         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
9986         replace_swap_with_copy, dump_swap_insn_table,
9987         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
9988         recombine_lvx_pattern, recombine_stvx_pattern,
9989         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
9990         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
9991         to file rs6000-p8swap.c.
9992         * config/rs6000/rs6000-p8swap.c: New file.
9993         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
9994         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
9995         and rs6000*-*-* targets.
9996
9997 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9998
9999         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
10000
10001 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10002
10003         * lto-wrapper.c (merge_and_complain): Do not merge
10004         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
10005         fsigned_zeros, ftrapping_math, fwrapv.
10006         (append_compiler_options): Do not track these options.
10007         (append_linker_options): Likewie
10008
10009 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10010
10011         * cgraphunit.c (cgraph_node::finalize_function): When
10012         !flag_toplevel_reorde set no_reorder flag.
10013         (varpool_node::finalize_decl): Likewise.
10014         (symbol_table::compile): Drop no toplevel reorder path.
10015
10016 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10017
10018         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
10019         edges; zero probability is not better than uninitialized.
10020
10021 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
10022
10023         * asan.h (asan_sanitize_allocas_p): Declare.
10024         * asan.c (asan_sanitize_allocas_p): New function.
10025         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
10026         (handle_builtin_alloca): Likewise.
10027         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
10028         if !asan_sanitize_allocas_p.
10029         * params.def (asan-instrument-allocas): Add new option.
10030         * params.h (ASAN_PROTECT_ALLOCAS): Define.
10031         * opts.c (common_handle_option): Disable allocas sanitization for
10032         KASan by default.
10033
10034 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
10035
10036         * asan.c: Include gimple-fold.h.
10037         (get_last_alloca_addr): New function.
10038         (handle_builtin_stackrestore): Likewise.
10039         (handle_builtin_alloca): Likewise.
10040         (asan_emit_allocas_unpoison): Likewise.
10041         (get_mem_refs_of_builtin_call): Add new parameter, remove const
10042         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
10043         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
10044         (instrument_builtin_call): Pass gimple iterator to
10045         get_mem_refs_of_builtin_call.
10046         (last_alloca_addr): New global.
10047         * asan.h (asan_emit_allocas_unpoison): Declare.
10048         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
10049         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
10050         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
10051         if function calls alloca.
10052         * gimple-fold.c (replace_call_with_value): Remove static keyword.
10053         * gimple-fold.h (replace_call_with_value): Declare.
10054         * internal-fn.c: Include asan.h.
10055         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
10056         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
10057
10058 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
10059
10060         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
10061         (C_SELFTEST_FLAGS): New.
10062         (CPP_SELFTEST_FLAGS): New.
10063         (SELFTEST_DEPS): New, from deps of s-selftest.
10064         (C_SELFTEST_DEPS): New, from deps of s-selftest.
10065         (CPP_SELFTEST_DEPS): New.
10066         (selftest): Add dependency on s-selftest-c++.
10067         (s-selftest): Rename to...
10068         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
10069         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
10070         than SELFTEST_FLAGS.
10071         (selftest-gdb): Rename to...
10072         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
10073         C_SELFTEST_FLAGS.
10074         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
10075         (selftest-valgrind): Rename to...
10076         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
10077         C_SELFTEST_FLAGS.
10078         (selftest-valgrind): Reintroduce as an alias for
10079         selftest-c-valgrind.
10080         (s-selftest-c++): New.
10081         (selftest-c++-gdb): New.
10082         (selftest-c++-valgrind): New.
10083
10084 2017-07-06  Olivier Hainque  <hainque@adacore.com>
10085
10086         * gcc.c (process_command): When deciding if undefined variables
10087         should be ignored when processing specs, accept "gcc -v" as well.
10088
10089 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
10090
10091         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
10092         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
10093
10094 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10095
10096         * config/arm/arm-cpus.in (armv8-r): Add new entry.
10097         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
10098         * config/arm/arm-tables.opt: Regenerate.
10099         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
10100         enumerator.
10101         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
10102
10103 2017-07-06  Carl Love  <cel@us.ibm.com>
10104
10105         * ChangeLog: Clean up from mid air collision
10106
10107 2017-07-06  Carl Love  <cel@us.ibm.com>
10108
10109         * config/rs6000/rs6000-c.c: Add support for built-in functions
10110         vector signed int vec_subc (vector signed int, vector signed int);
10111         vector signed __int128 vec_subc (vector signed __int128,
10112                                          vector signed __int128);
10113         vector unsigned __int128 vec_subc (vector unsigned __int128,
10114                                            vector unsigned __int128);
10115         vector signed int vec_sube (vector signed int, vector signed int,
10116                                     vector signed int);
10117         vector unsigned int vec_sube (vector unsigned int,
10118                                       vector unsigned int,
10119                                       vector unsigned int);
10120         vector signed __int128 vec_sube (vector signed __int128,
10121                                          vector signed __int128,
10122                                          vector signed__int128);
10123         vector unsigned __int128 vec_sube (vector unsigned __int128,
10124                                            vector unsigned __int128,
10125                                            vector unsigned __int128);
10126         vector signed int vec_subec (vector signed int, vector signed int,
10127                                      vector signed int);
10128         vector unsigned int vec_subec (vector unsigned int,
10129                                        vector unsigned int,
10130                                        vector unsigned int);
10131         vector signed __int128 vec_subec (vector signed __int128,
10132                                           vector signed __int128,
10133                                           vector signed__int128);
10134         vector unsigned __int128 vec_subec (vector unsigned __int128,
10135                                             vector unsigned __int128,
10136                                             vector unsigned __int128);
10137         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
10138         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
10139         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
10140         BU_ALTIVEC_OVERLOAD_X definitions.
10141         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
10142         * doc/extend.texi: Update the built-in documentation file for the new
10143         built-in functions.
10144
10145 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
10146
10147         PR c++/79300
10148         * diagnostic-show-locus.c (layout::layout): Use start and finish
10149         spelling location for the start and finish of each range.
10150         * genmatch.c (linemap_client_expand_location_to_spelling_point):
10151         Add unused aspect param.
10152         * input.c (expand_location_1): Add "aspect" param, and use it
10153         to access the correct part of the location.
10154         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
10155         expand_location_1.
10156         (expand_location_to_spelling_point): Likewise.
10157         (linemap_client_expand_location_to_spelling_point): Add "aspect"
10158         param, and pass it to expand_location_1.
10159
10160 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
10161
10162         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
10163         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
10164         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
10165         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
10166         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
10167         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
10168         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
10169         _mm_maskz_getmant_ss): New intrinsics.
10170         (__builtin_ia32_getexpss128_mask): Changed to ...
10171         __builtin_ia32_getexpss128_round ... this.
10172         (__builtin_ia32_getexpsd128_mask): Changed to ...
10173         __builtin_ia32_getexpsd128_round ... this.
10174         * config/i386/i386-builtin-types.def
10175         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
10176         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
10177         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
10178         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
10179         __builtin_ia32_getmantss_mask_round): New builtins.
10180         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
10181         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
10182         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
10183         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
10184         * config/i386/sse.md
10185         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
10186         avx512f_sgetexp<mode><mask_scalar_name>
10187         <round_saeonly_scalar_name> ... this.
10188         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
10189         %0, %1, %2<round_saeonly_op3>}): Changed to ...
10190         vgetexp<ssescalarmodesuffix>
10191         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10192         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
10193         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
10194         avx512f_vgetmant<mode><mask_scalar_name>
10195         <round_saeonly_scalar_name> ... this.
10196         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
10197         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
10198         vgetmant<ssescalarmodesuffix>
10199         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
10200         %0<mask_scalar_operand4>, %1, %2
10201         <round_saeonly_scalar_mask_op4>, %3} ... this.
10202         * config/i386/subst.md (mask_scalar_operand4,
10203         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
10204         round_saeonly_scalar_nimm_predicate): New subst attributes.
10205
10206 2017-07-06  Julia Koval  <julia.koval@intel.com>
10207
10208         * config/i386/i386.c (ix86_erase_embedded_rounding):
10209         Remove code for old rounding pattern.
10210
10211 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
10212
10213         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
10214
10215 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
10216
10217         * doc/sourcebuild.texi (Test Directives, Variants of
10218         dg-require-support): Add documentation for dg-require-stack-check.
10219
10220 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
10221
10222         * config/i386/subst.md (mask_scalar, round_scalar,
10223         round_saeonly_scalar): New meta-templates.
10224         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
10225         round_scalar_mask_operand3, round_scalar_mask_op3,
10226         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
10227         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
10228         round_saeonly_scalar_constraint,
10229         round_saeonly_scalar_prefix): New subst attribute.
10230         * config/i386/sse.md
10231         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
10232         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
10233         <round_scalar_name> ... this.
10234         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
10235         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
10236         <round_scalar_name> ... this.
10237         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
10238         <sse>_vm<code><mode>3<mask_scalar_name>
10239         <round_saeonly_scalar_name> ... this.
10240         (v<plusminus_mnemonic><ssescalarmodesuffix>
10241         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
10242         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
10243         v<plusminus_mnemonic><ssescalarmodesuffix>
10244         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10245         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
10246         (v<multdiv_mnemonic><ssescalarmodesuffix>
10247         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
10248         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
10249         v<multdiv_mnemonic><ssescalarmodesuffix>
10250         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10251         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
10252         (v<maxmin_float><ssescalarmodesuffix>
10253         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
10254         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
10255         v<maxmin_float><ssescalarmodesuffix>
10256         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
10257         %0<mask_scalar_operand3>, %1, %<iptr>2
10258         <round_saeonly_scalar_mask_op3>} ... this.
10259
10260 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
10261
10262         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
10263         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
10264
10265 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
10266             Alan Hayward  <alan.hayward@arm.com>
10267             David Sherwood  <david.sherwood@arm.com>
10268
10269         * combine.c (simplify_if_then_else): Remove "enum" before
10270         "machine_mode".
10271         * compare-elim.c (can_eliminate_compare): Likewise.
10272         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
10273         Likewise.
10274         (aarch64_lookup_simd_builtin_type): Likewise.
10275         (aarch64_simd_builtin_type): Likewise.
10276         (aarch64_init_simd_builtin_types): Likewise.
10277         (aarch64_simd_expand_args): Likewise.
10278         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
10279         Likewise.
10280         (aarch64_reverse_mask): Likewise.
10281         (aarch64_simd_emit_reg_reg_move): Likewise.
10282         (aarch64_gen_adjusted_ldpstp): Likewise.
10283         (aarch64_ccmp_mode_to_code): Likewise.
10284         (aarch64_operands_ok_for_ldpstp): Likewise.
10285         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
10286         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
10287         Likewise.
10288         (aarch64_min_divisions_for_recip_mul): Likewise.
10289         (aarch64_reassociation_width): Likewise.
10290         (aarch64_get_condition_code_1): Likewise.
10291         (aarch64_simd_emit_reg_reg_move): Likewise.
10292         (aarch64_simd_attr_length_rglist): Likewise.
10293         (aarch64_reverse_mask): Likewise.
10294         (aarch64_operands_ok_for_ldpstp): Likewise.
10295         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
10296         (aarch64_gen_adjusted_ldpstp): Likewise.
10297         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
10298         Likewise.
10299         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
10300         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
10301         (arm_lookup_simd_builtin_type): Likewise.
10302         (arm_simd_builtin_type): Likewise.
10303         (arm_init_simd_builtin_types): Likewise.
10304         (arm_expand_builtin_args): Likewise.
10305         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
10306         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
10307         (ft32_setup_incoming_varargs): Likewise.
10308         (ft32_function_arg): Likewise.
10309         (ft32_function_arg_advance): Likewise.
10310         (ft32_pass_by_reference): Likewise.
10311         (ft32_arg_partial_bytes): Likewise.
10312         (ft32_valid_pointer_mode): Likewise.
10313         (ft32_addr_space_pointer_mode): Likewise.
10314         (ft32_addr_space_legitimate_address_p): Likewise.
10315         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
10316         Likewise.
10317         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
10318         (ix86_emit_outlined_ms2sysv_restore): Likewise.
10319         (iamcu_alignment): Likewise.
10320         (canonicalize_vector_int_perm): Likewise.
10321         (ix86_noce_conversion_profitable_p): Likewise.
10322         (ix86_mpx_bound_mode): Likewise.
10323         (ix86_operands_ok_for_move_multiple): Likewise.
10324         * config/microblaze/microblaze-protos.h
10325         (microblaze_expand_conditional_branch_reg): Likewise.
10326         * config/microblaze/microblaze.c
10327         (microblaze_expand_conditional_branch_reg): Likewise.
10328         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
10329         Likewise.
10330         (rs6000_reassociation_width): Likewise.
10331         (rs6000_invalid_binary_op): Likewise.
10332         (fusion_p9_p): Likewise.
10333         (emit_fusion_p9_load): Likewise.
10334         (emit_fusion_p9_store): Likewise.
10335         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
10336         Likewise.
10337         (riscv_hard_regno_mode_ok_p): Likewise.
10338         (riscv_address_insns): Likewise.
10339         (riscv_split_symbol): Likewise.
10340         (riscv_legitimize_move): Likewise.
10341         (riscv_function_value): Likewise.
10342         (riscv_hard_regno_nregs): Likewise.
10343         (riscv_expand_builtin): Likewise.
10344         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
10345         (riscv_build_integer): Likewise.
10346         (riscv_split_integer): Likewise.
10347         (riscv_legitimate_constant_p): Likewise.
10348         (riscv_cannot_force_const_mem): Likewise.
10349         (riscv_regno_mode_ok_for_base_p): Likewise.
10350         (riscv_valid_base_register_p): Likewise.
10351         (riscv_valid_offset_p): Likewise.
10352         (riscv_valid_lo_sum_p): Likewise.
10353         (riscv_classify_address): Likewise.
10354         (riscv_legitimate_address_p): Likewise.
10355         (riscv_address_insns): Likewise.
10356         (riscv_load_store_insns): Likewise.
10357         (riscv_force_binary): Likewise.
10358         (riscv_split_symbol): Likewise.
10359         (riscv_force_address): Likewise.
10360         (riscv_legitimize_address): Likewise.
10361         (riscv_move_integer): Likewise.
10362         (riscv_legitimize_const_move): Likewise.
10363         (riscv_legitimize_move): Likewise.
10364         (riscv_address_cost): Likewise.
10365         (riscv_subword): Likewise.
10366         (riscv_output_move): Likewise.
10367         (riscv_canonicalize_int_order_test): Likewise.
10368         (riscv_emit_int_order_test): Likewise.
10369         (riscv_function_arg_boundary): Likewise.
10370         (riscv_pass_mode_in_fpr_p): Likewise.
10371         (riscv_pass_fpr_single): Likewise.
10372         (riscv_pass_fpr_pair): Likewise.
10373         (riscv_get_arg_info): Likewise.
10374         (riscv_function_arg): Likewise.
10375         (riscv_function_arg_advance): Likewise.
10376         (riscv_arg_partial_bytes): Likewise.
10377         (riscv_function_value): Likewise.
10378         (riscv_pass_by_reference): Likewise.
10379         (riscv_setup_incoming_varargs): Likewise.
10380         (riscv_print_operand): Likewise.
10381         (riscv_elf_select_rtx_section): Likewise.
10382         (riscv_save_restore_reg): Likewise.
10383         (riscv_for_each_saved_reg): Likewise.
10384         (riscv_register_move_cost): Likewise.
10385         (riscv_hard_regno_mode_ok_p): Likewise.
10386         (riscv_hard_regno_nregs): Likewise.
10387         (riscv_class_max_nregs): Likewise.
10388         (riscv_memory_move_cost): Likewise.
10389         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
10390         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
10391         (rl78_addr_space_address_mode): Likewise.
10392         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10393         Likewise.
10394         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
10395         (rs6000_reassociation_width): Likewise.
10396         (rs6000_invalid_binary_op): Likewise.
10397         (fusion_p9_p): Likewise.
10398         (emit_fusion_p9_load): Likewise.
10399         (emit_fusion_p9_store): Likewise.
10400         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
10401         (ok_for_simple_move_operands): Likewise.
10402         (ok_for_simple_move_strict_operands): Likewise.
10403         (ok_for_simple_arith_logic_operands): Likewise.
10404         (visium_legitimize_reload_address): Likewise.
10405         (visium_select_cc_mode): Likewise.
10406         (output_cbranch): Likewise.
10407         (visium_split_double_move): Likewise.
10408         (visium_expand_copysign): Likewise.
10409         (visium_expand_int_cstore): Likewise.
10410         (visium_expand_fp_cstore): Likewise.
10411         * config/visium/visium.c (visium_pass_by_reference): Likewise.
10412         (visium_function_arg): Likewise.
10413         (visium_function_arg_advance): Likewise.
10414         (visium_libcall_value): Likewise.
10415         (visium_setup_incoming_varargs): Likewise.
10416         (visium_legitimate_constant_p): Likewise.
10417         (visium_legitimate_address_p): Likewise.
10418         (visium_legitimize_address): Likewise.
10419         (visium_secondary_reload): Likewise.
10420         (visium_register_move_cost): Likewise.
10421         (visium_memory_move_cost): Likewise.
10422         (prepare_move_operands): Likewise.
10423         (ok_for_simple_move_operands): Likewise.
10424         (ok_for_simple_move_strict_operands): Likewise.
10425         (ok_for_simple_arith_logic_operands): Likewise.
10426         (visium_function_value_1): Likewise.
10427         (rtx_ok_for_offset_p): Likewise.
10428         (visium_legitimize_reload_address): Likewise.
10429         (visium_split_double_move): Likewise.
10430         (visium_expand_copysign): Likewise.
10431         (visium_expand_int_cstore): Likewise.
10432         (visium_expand_fp_cstore): Likewise.
10433         (visium_split_cstore): Likewise.
10434         (visium_select_cc_mode): Likewise.
10435         (visium_split_cbranch): Likewise.
10436         (output_cbranch): Likewise.
10437         (visium_print_operand_address): Likewise.
10438         * expmed.c (flip_storage_order): Likewise.
10439         * expmed.h (emit_cstore): Likewise.
10440         (flip_storage_order): Likewise.
10441         * genrecog.c (validate_pattern): Likewise.
10442         * hsa-gen.c (gen_hsa_addr): Likewise.
10443         * internal-fn.c (expand_arith_overflow): Likewise.
10444         * ira-color.c (allocno_copy_cost_saving): Likewise.
10445         * lra-assigns.c (find_hard_regno_for_1): Likewise.
10446         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
10447         (process_invariant_for_inheritance): Likewise.
10448         * lra-eliminations.c (move_plus_up): Likewise.
10449         * omp-low.c (lower_oacc_reductions): Likewise.
10450         * simplify-rtx.c (simplify_subreg): Likewise.
10451         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
10452         (TARGET_CHKP_BOUND_MODE): Likewise..
10453         * targhooks.c (default_chkp_bound_mode): Likewise.
10454         (default_setup_incoming_vararg_bounds): Likewise.
10455         * targhooks.h (default_chkp_bound_mode): Likewise.
10456         (default_setup_incoming_vararg_bounds): Likewise.
10457         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
10458         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
10459         (have_whole_vector_shift): Likewise.
10460         * tree-vect-stmts.c (vectorizable_load): Likewise.
10461         * doc/tm.texi: Regenerate.
10462
10463 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
10464
10465         Graceful degrade if Binutils PR21472 is not available.
10466
10467         PR target/81072
10468         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
10469         .rodata in flash test fails.
10470         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
10471         * confgure: Regenerate.
10472         * config.in: Regenerate.
10473         * config/avr/avr.c (avr_asm_named_section)
10474         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
10475         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
10476         (avr_asm_init_sections): Same.
10477
10478 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10479
10480         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
10481         (fma<VH:mode>4_intrinsic): Likewise.
10482         (*fmsub<VCVTF:mode>4): Likewise.
10483         (*fmsub<VH:mode>4_intrinsic): Likewise.
10484
10485 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
10486
10487         PR target/81305
10488         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
10489         Don't depend on "optimize > 0".
10490         (out_movhi_r_mr, out_movqi_mr_r): Same.
10491         (out_movhi_mr_r, out_movqi_r_mr): Same.
10492         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
10493         io_address_operand on "optimize > 0".
10494
10495 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10496
10497         * tree-loop-distribution.c: Add general explanantion on the pass.
10498         (generate_loops_for_partition): Mark distributed loop.
10499         (pg_add_dependence_edges): New parameter.  Handle alias data
10500         dependence specially and record it in the parameter if asked.
10501         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
10502         (init_partition_graph_vertices, add_partition_graph_edge): New.
10503         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
10504         (free_partition_graph_vdata, build_partition_graph): New.
10505         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
10506         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
10507         (data_ref_segment_size, latch_dominated_by_data_ref): New.
10508         (compute_alias_check_pairs, version_loop_by_alias_check): New.
10509         (version_for_distribution_p, finalize_partitions): New.
10510         (distribute_loop): Handle alias data dependence specially.  Factor
10511         out loop fusion code as functions and call these functions.
10512
10513 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10514
10515         * tree-loop-distribution.c (classify_partition): New parameter and
10516         better handle reduction statement.
10517         (rdg_build_partitions): Revise comment.
10518         (distribute_loop): Compute statements in all partitions and pass it
10519         to classify_partition.
10520
10521 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10522
10523         * tree-loop-distribution.c (enum partition_type): New.
10524         (struct partition): New field type.
10525         (partition_merge_into): Add parameter.  Update partition type.
10526         (data_dep_in_cycle_p, update_type_for_merge): New functions.
10527         (build_rdg_partition_for_vertex): Compute partition type.
10528         (rdg_build_partitions): Dump partition type.
10529         (distribute_loop): Update calls to partition_merge_into.
10530
10531 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10532
10533         * tree-loop-distribution.c (struct ddr_hasher): New.
10534         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
10535         (ddrs_table): New.
10536         (classify_partition): Call get_data_dependence.
10537         (pg_add_dependence_edges): Ditto.
10538         (distribute_loop): Release data dependence hash table.
10539
10540 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10541
10542         * tree-loop-distribution.c (ref_base_address): Delete.
10543         (similar_memory_accesses): Rename ...
10544         (share_memory_accesses): ... to this.  Check if partitions access
10545         the same memory reference.
10546         (distribute_loop): Call share_memory_accesses.
10547
10548 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10549
10550         * tree-loop-distribution.c (struct partition): New field recording
10551         its data reference.
10552         (partition_alloc, partition_free): Init and release data refs.
10553         (partition_merge_into): Merge data refs.
10554         (build_rdg_partition_for_vertex): Collect data refs for partition.
10555         (pg_add_dependence_edges): Change parameters from vector to bitmap.
10556         Update uses.
10557         (distribute_loop): Remve data refs from vertice data of partition
10558         graph.
10559
10560 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10561
10562         * tree-loop-distribution.c (params.h): Include header file.
10563         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
10564         (datarefs_vec): New global var.
10565         (create_rdg_vertices): Use datarefs_vec directly.
10566         (free_rdg): Don't free data references.
10567         (build_rdg): Update use.  Don't free data references.
10568         (distribute_loop): Compute global variable for data references.
10569         Bail out if there are too many data references.
10570
10571 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10572
10573         * tree-loop-distribution.c (loop_nest): New global var.
10574         (build_rdg): Use loop directly, rather than loop nest.
10575         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
10576         variable directly.
10577         (distribute_loop): Compute global variable loop nest.  Update use.
10578
10579 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10580
10581         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
10582         (partition_merge_into): New parameter.  Dump reason for fusion.
10583         (distribute_loop): Update use of partition_merge_into.
10584
10585 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10586
10587         * tree-loop-distribution.c (bb_top_order_index): New.
10588         (bb_top_order_index_size, bb_top_order_cmp): New.
10589         (stmts_from_loop): Use topological order.
10590         (pass_loop_distribution::execute): Compute and release topological
10591         order for basic blocks.
10592
10593 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10594
10595         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
10596         if no loops.
10597
10598 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
10599
10600         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
10601         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
10602         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
10603         * internal-fn.def (LOOP_DIST_ALIAS): New.
10604         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
10605         (fold_loop_internal_call): ... this.
10606         (vect_loop_dist_alias_call): New function.
10607         (set_uid_loop_bbs): Call fold_loop_internal_call.
10608         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
10609         internal calls.
10610
10611 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
10612
10613         PR target/81300
10614         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
10615         Require dead FLAGS_REG at the beginning of a peephole.
10616
10617 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
10618
10619         PR target/81294
10620         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
10621         arguments in the call to __builtin_ia32_sbb_u32.
10622         (_subborrow_u64): Swap _X and _Y arguments in the call to
10623         __builtin_ia32_sbb_u64.
10624
10625 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
10626
10627         PR debug/81278
10628         * tree-vrp.c (compare_assert_loc): Turn into a function template
10629         with stable template parameter.  Only test if a->e is NULL,
10630         !a->e == !b->e has been verified already.  Use e == NULL or
10631         e != NULL instead of e or ! e tests.  If stable is true, don't use
10632         iterative_hash_expr, on the other side allow a or b or both NULL
10633         and sort the NULLs last.
10634         (process_assert_insertions): Sort using compare_assert_loc<false>
10635         instead of compare_assert_loc, later sort using
10636         compare_assert_loc<true> before calling process_assert_insertions_for
10637         in a loop.  Use break instead of continue once seen NULL pointer.
10638
10639 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10640
10641         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
10642         Cortex-R7 and Cortex-R8 processors.
10643
10644 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10645
10646         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
10647         uninitialized while src is not.
10648
10649 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
10650
10651         * common/config/arm/arm-common.c: Adjust include path for
10652         arm-cpu-cdata.h
10653         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
10654         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
10655         (arm-cpu-data.h): Likewise.
10656         (arm-cpu-cdata.h): Likewise.
10657         * config/arm/arm-cpu.h: Delete.
10658         * config/arm/arm-cpu-cdata.h: Delete.
10659         * config/arm/arm-cpu-data.h: Delete.
10660
10661 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
10662
10663         * config/arm/arm-cpus.in (cortex-a55): New.
10664         (cortex-a75): Likewise.
10665         (cortex-a75.cortex-a55): Likewise.
10666         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
10667         cortex-a75.
10668         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
10669         * config/arm/arm-cpu-cdata.h: Regenerate.
10670         * config/arm/arm-cpu-data.h: Regenerate.
10671         * config/arm/arm-cpu.h: Regenerate.
10672         * config/arm/arm-tables.opt: Regenerate.
10673         * config/arm/arm-tune.md: Regenerate.
10674
10675 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10676
10677         * haifa-sched.c (sched_create_recovery_edges): Update profile.
10678
10679 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10680
10681         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
10682         probability.
10683
10684 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
10685
10686         PR tree-optimization/81292
10687         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
10688         full_string_p, also call adjust_related_strinfos if the adjustment
10689         is simple, otherwise invalidate related strinfos.
10690
10691 2017-07-04  Martin Liska  <mliska@suse.cz>
10692
10693         PR sanitizer/81040
10694         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
10695         newly created variable as DECL_IGNORED_P.
10696
10697 2017-07-04  Martin Liska  <mliska@suse.cz>
10698
10699         PR ipa/81293
10700         * ipa-inline.c (inline_small_functions):
10701         Use xstrdup_for_dump.
10702
10703 2017-07-04  Tom de Vries  <tom@codesourcery.com>
10704
10705         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
10706
10707 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
10708
10709         PR target/81033
10710         * config/darwin.c (darwin_function_switched_text_sections):
10711         Fix spaces.
10712
10713 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
10714
10715         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
10716
10717 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
10718
10719         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
10720
10721 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10722
10723         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
10724         min_profitable_iters, and th as inclusive lower bounds.
10725         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
10726         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
10727         for min_profitable_iters and min_profitable_estimate.
10728         (vect_transform_loop): Treat th as an inclusive lower bound.
10729         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
10730
10731 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
10732
10733         PR target/81033
10734         * config/darwin.c (darwin_function_switched_text_sections):
10735         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
10736         in two pieces, and suppress the use of buf.
10737
10738 2017-07-03  Nathan Sidwell  <nathan@acm.org>
10739
10740         * hash-table.h (hash_table_mod1): Fix indentation.
10741
10742 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10743
10744         PR middle-end/81290
10745         * predict.c (force_edge_cold): Be more careful about propagation
10746         backward.
10747         * profile-count.h (profile_probability::guessed,
10748         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
10749         New.
10750         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
10751
10752 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
10753
10754         * doc/invoke.texi (rcpc architecture extension): Document it.
10755
10756 2017-07-03  Richard Biener  <rguenther@suse.de>
10757
10758         PR tree-optimization/60510
10759         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
10760         the scalar reduction PHI and use it.
10761         (vectorizable_reduction): Properly guard the single_defuse_cycle
10762         path for non-SLP reduction chains where we cannot use it.
10763         Rework reduc_def/index and vector type deduction.  Rework
10764         vector operand gathering during reduction op code-gen.
10765         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
10766         chains dissolve the chain and leave it to non-SLP reduction
10767         handling.
10768
10769 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10770
10771         * tree-data-ref.h (dr_alignment): Declare.
10772         * tree-data-ref.c (dr_alignment): New function.
10773         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
10774         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
10775         set it.
10776         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
10777
10778 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10779
10780         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
10781         and base_misalignment fields.
10782         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
10783         * tree-data-ref.c: Include builtins.h.
10784         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
10785         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
10786         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
10787         * tree-vect-data-refs.c: Include tree-cfg.h.
10788         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
10789         fields instead of calculating an alignment here.
10790         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
10791         innermost_loop_behavior fields.
10792
10793 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10794
10795         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
10796         field.
10797         (DR_STEP_ALIGNMENT): New macro.
10798         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
10799         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
10800         (create_data_ref): Print it.
10801         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
10802         to tell whether the step preserves vector (mis)alignment.
10803         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
10804         Move the check for an integer step and generalise to all INTEGER_CST.
10805         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
10806         Print the outer step alignment.
10807
10808 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10809
10810         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
10811         with offset_alignment.
10812         (DR_ALIGNED_TO): Delete.
10813         (DR_OFFSET_ALIGNMENT): New macro.
10814         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
10815         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
10816         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
10817         (create_data_ref): Likewise.
10818         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
10819         (vect_analyze_data_refs): Likewise.
10820         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
10821         creating dummy innermost behavior.
10822
10823 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10824
10825         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
10826         with a "innermost_loop_behavior *" and refeence tree.
10827         * tree-data-ref.c (dr_analyze_innermost): Likewise.
10828         (create_data_ref): Update call accordingly.
10829         * tree-predcom.c (find_looparound_phi): Likewise.
10830
10831 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10832
10833         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
10834         fields with dr_wrt_vec_loop.
10835         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
10836         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
10837         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
10838         (vect_dr_behavior): New function.
10839         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
10840         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
10841         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
10842         track whether the step preserves the misalignment.
10843         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
10844         Use vect_dr_behavior.
10845         (vect_setup_realignment): Update call accordingly.
10846         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
10847         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
10848         call to vect_create_addr_base_for_vector_ref.
10849         (vect_create_cond_for_align_checks): Likewise.
10850         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
10851         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
10852         (vect_recog_mask_conversion_pattern): Likewise.
10853         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
10854         (new_stmt_vec_info): Remove redundant zeroing.
10855
10856 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
10857
10858         * common/config/arm/arm-common.c (arm_be8_option): New function.
10859         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
10860         (ISA_ARMv6): Add isa_bit_be8.
10861         * config/arm/arm.h (arm_be8_option): Add prototype.
10862         (BE8_SPEC_FUNCTION): New define.
10863         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
10864         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
10865         (mlittle-endian): Similarly.
10866         (mbe8, mbe32): New options.
10867         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
10868         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
10869
10870 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10871
10872         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
10873
10874 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10875
10876         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
10877         (cleanup_tree_cfg_bb): Use it.
10878         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
10879         New functions.
10880         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
10881
10882 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10883
10884         PR bootstrap/81285
10885         * loop-doloop.c (add_test): Update profile.
10886
10887 2017-07-03  Martin Liska  <mliska@suse.cz>
10888
10889         PR sanitize/81040
10890         * sanopt.c (rewrite_usage_of_param): New function.
10891         (sanitize_rewrite_addressable_params): Likewise.
10892         (pass_sanopt::execute): Call rewrite_usage_of_param.
10893
10894 2017-07-03  Richard Biener  <rguenther@suse.de>
10895
10896         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
10897         back to using VIEW_CONVERT_EXPR.
10898
10899 2017-07-03  Martin Liska  <mliska@suse.cz>
10900
10901         PR other/78366
10902         * doc/extend.texi: Document when a resolver function is
10903         generated for target_clones.
10904
10905 2017-07-03  Martin Liska  <mliska@suse.cz>
10906
10907         * asan.c (asan_emit_stack_protection): Unpoison just red zones
10908         and shadow memory of auto variables which are subject of
10909         use-after-scope sanitization.
10910         (asan_expand_mark_ifn): Add do set only when is_poison.
10911
10912 2016-07-03  Richard Biener  <rguenther@suse.de>
10913
10914         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
10915         reduction PHIs.
10916         (vect_force_simple_reduction): Record reduction def -> phi mapping.
10917         (vectorizable_reduction): Perform reduction PHI creation when
10918         visiting a reduction PHI and adjust and simplify code generation
10919         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
10920         (vect_transform_loop): Visit reduction PHIs.
10921         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
10922         defs into the SLP tree.
10923         (vect_build_slp_tree): Reduction defs terminate the recursion.
10924         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
10925         of reduction defs.
10926         (vect_get_vec_defs_for_stmt_copy): Export.
10927         (vect_get_vec_defs): Likewise.
10928         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
10929         purpose.
10930         (vect_get_vec_defs_for_stmt_copy): Declare.
10931         (vect_get_vec_defs): Likewise.
10932
10933 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10934
10935         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
10936         parameter with a "loop" parameter and use it instead of the
10937         loop containing DR_STMT.  Don't check simple_iv when doing
10938         BB analysis.  Describe the two analysis modes in the comment.
10939
10940 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10941
10942         PR tree-optimization/69468
10943         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
10944         (find_same_succ_bb): Handle ignore_edge_flags.
10945
10946 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10947
10948         PR tree-optimization/81192
10949         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
10950         hash.
10951         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
10952         differs.
10953         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
10954
10955 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10956
10957         PR tree-optimization/81192
10958         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
10959         BB_SAME_SUCC (bb) == NULL.
10960
10961 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10962
10963         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
10964         consistency.
10965
10966 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10967
10968         * dumpfile.c: Include profile-count.h
10969         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
10970         update profile.
10971         (insert_cond_bb): Update profile.
10972         * tree-cfg.h (insert_cond_bb): Update prototype.
10973         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
10974         * tree-dump.c: Do not include tree-cfg.
10975
10976 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10977
10978         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
10979
10980 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10981
10982         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
10983         bb.
10984
10985 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10986
10987         * tree-complex.c (expand_complex_div_wide): update profile.
10988
10989 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10990             Alan Hayward  <alan.hayward@arm.com>
10991             David Sherwood  <david.sherwood@arm.com>
10992
10993         * Makefile.in (MACHMODE_H): Remove insn-modes.h
10994         (CORETYPES_H): New define.
10995         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
10996         (insn-modes-inline.h, s-modes-inline-h): New rules.
10997         (generated_files): Add insn-modes-inline.h.
10998         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
10999         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
11000         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
11001         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
11002         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
11003         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
11004         (build/gencodes.o, build/genconditions.o): Likewise.
11005         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
11006         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
11007         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
11008         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
11009         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
11010         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
11011         * coretypes.h: Include everything up to real.h for generators.
11012         Include insn-modes.h first.  Include wide-int-print.h after
11013         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
11014         * machmode.h: Don't include insn-modes.h here.
11015         * function-tests.c: Remove includes of signop.h, machmode.h,
11016         double-int.h and wide-int.h.
11017         * rtl.h: Likewise.
11018         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
11019         and wide-int.h.
11020         * optc-save-gen.awk: Likewise.
11021         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
11022         * godump.c: Remove include of wide-int-print.h.
11023         * pretty-print.h: Likewise.
11024         * wide-int-print.cc: Likewise.
11025         * wide-int.cc: Likewise.
11026         * hash-map-tests.c: Remove include of signop.h.
11027         * hash-set-tests.c: Likewise.
11028         * rtl-tests.c: Likewise.
11029         * mkconfig.sh: Remove include of machmode.h.
11030         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
11031         into...
11032         (emit_insn_modes_inline_h): ...this new function.  Emit the code
11033         into an insn-modes-inline.h header file, adding appropriate
11034         include guards and end comments.
11035         (emit_insn_modes_c_header): Remove include of machmode.h.
11036         (emit_min_insn_modes_c_header): Include coretypes.h rather than
11037         machmode.h.
11038         (main): Handle -i flag and call emit_insn_modes_inline_h when
11039         it is passed.
11040
11041 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
11042
11043         * tree-ssa-strlen.c (strinfo): Rename the length field to
11044         nonzero_chars.  Add a full_string_p field.
11045         (compare_nonzero_chars, zero_length_string_p): New functions.
11046         (get_addr_stridx): Add an offset_out parameter.
11047         Use compare_nonzero_chars.
11048         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
11049         (new_strinfo): Update after above changes to strinfo.
11050         (set_endptr_and_length): Set full_string_p.
11051         (get_string_length): Update after above changes to strinfo.
11052         (unshare_strinfo): Update call to new_strinfo.
11053         (maybe_invalidate): Likewise.
11054         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
11055         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
11056         as a uhwi instead of an shwi.  Update after above changes to
11057         strinfo and new_strinfo.
11058         (zero_length_string): Assert that chainsi contains full strings.
11059         Use zero_length_string_p.  Update call to new_strinfo.
11060         (adjust_related_strinfos): Update after above changes to strinfo.
11061         Copy full_string_p from origsi.
11062         (adjust_last_stmt): Use zero_length_string_p.
11063         (handle_builtin_strlen): Update after above changes to strinfo and
11064         new_strinfo.  Install the lhs as the string length if the previous
11065         entry didn't describe a full string.
11066         (handle_builtin_strchr): Update after above changes to strinfo
11067         and new_strinfo.
11068         (handle_builtin_strcpy): Likewise.
11069         (handle_builtin_strcat): Likewise.
11070         (handle_builtin_malloc): Likewise.
11071         (handle_pointer_plus): Likewise.
11072         (handle_builtin_memcpy): Likewise.  Track nonzero characters
11073         that aren't necessarily followed by a nul terminator.
11074         (handle_char_store): Likewise.
11075
11076 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
11077
11078         PR tree-optimization/80769
11079         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
11080         for malloc and calloc.  Document the new invariant that all related
11081         strinfos have delayed lengths or none do.
11082         (verify_related_strinfos): Move earlier in file.
11083         (set_endptr_and_length): New function, split out from...
11084         (get_string_length): ...here.  Also set the lengths of related
11085         strinfos.
11086         (zero_length_string): Assert that chainsi has known (rather than
11087         delayed) lengths.
11088         (adjust_related_strinfos): Likewise.
11089
11090 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
11091
11092         PR tree-optimization/81136
11093         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
11094         assert that two references with the same misalignment have the same
11095         compile-time misalignment if those compile-time misalignments
11096         are known.
11097
11098 2017-07-01  Andi Kleen  <ak@linux.intel.com>
11099
11100         * print-tree.c (print_node): Print all attributes.
11101
11102 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11103
11104         * cfg.c (scale_bbs_frequencies): New function.
11105         * cfg.h (scale_bbs_frequencies): Declare it.
11106         * cfgloopanal.c (single_likely_exit): Cleanup.
11107         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
11108         as parameter.
11109         (scale_loop_profile): Likewise.
11110         (loop_version): Likewise.
11111         (create_empty_loop_on_edge): Update.
11112         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
11113         scale_loop_frequencies, scale_loop_profile, loopify,
11114         loop_version): Update prototypes.
11115         * modulo-sched.c (sms_schedule): Update.
11116         * predict.c (unlikely_executed_edge_p): Also check probability.
11117         (probably_never_executed_edge_p): Fix typo.
11118         * tree-if-conv.c (version_loop_for_if_conversion): Update.
11119         * tree-parloops.c (gen_parallel_loop): Update.
11120         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
11121         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
11122         * tree-ssa-loop-split.c (split_loop): Update.
11123         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
11124         * tree-vect-loop-manip.c (vect_do_peeling): Update.
11125         (vect_loop_versioning): Update.
11126         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
11127
11128 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11129
11130         * trans-mem.c (split_bb_make_tm_edge): Update profile.
11131
11132 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11133
11134         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
11135         to keep profile consistent.
11136
11137 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11138
11139         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
11140         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
11141         * profile-count.h (max_safe_multiplier): Make unsigned.
11142         (profile_count::guessed_zero): New.
11143
11144 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11145
11146         * bb-reorder.c (fix_up_crossing_landing_pad,
11147         fix_crossing_conditional_branches): Use make_single_succ_edge
11148         to keep profile consistent.
11149
11150 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
11151
11152         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
11153         to update profile.
11154
11155 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
11156
11157         PR sanitizer/81262
11158         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
11159         the right scopes, make sure cond_jump isn't preserved between multiple
11160         iterations.  Search for fallthru edge whenever there are 3+ edges and
11161         use find_fallthru_edge for it.
11162
11163 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11164
11165         Patch by Alexander Monakov <amonakov@ispras.ru>
11166         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
11167         probabilities consistently.
11168
11169 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11170
11171         * pa.c (pa_expand_compare_and_swap_loop): Update call of
11172         emit_cmp_and_jump_insns.
11173
11174 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11175
11176         PR ipa/81261
11177         * tree-inline.c (expand_call_inline): Combine profile statuses.
11178
11179 2017-06-30  Andrew Pinski  <apinski@cavium.com>
11180
11181         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
11182         fold_stmt returned true.
11183
11184 2017-06-30  Nathan Sidwell  <nathan@acm.org>
11185
11186         * ggc.h (empty_string): Delete.
11187         * cfgexpand.c (expand_asm_stmt): Use plain "".
11188         * optabs.c (expand_asm_memory_barrier): Likewise.
11189         * stringpool.c (empty_string): Delete.
11190         (digit_vector, digit_string): Delete.
11191         (ggc_alloc_string): Use plain "", don't optimize single digit
11192         strings.  Use ggc_alloc_atomic.
11193
11194 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
11195
11196         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
11197         comparison set and one other set, use the cost of the non-comparison
11198         set.
11199
11200 2017-06-30  Nathan Sidwell  <nathan@acm.org>
11201
11202         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
11203         some formatting.
11204
11205 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
11206
11207         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
11208         loops.  Remove now unneeded calls to gimple_switch_set_label() that
11209         just set removed labels to NULL_TREE.
11210
11211 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
11212
11213         * tree-ssanames.c (set_range_info_raw): Abstract from ...
11214         (set_range_info): ...here.  Only call set_range_info_raw if domain
11215         is useful.
11216         (set_nonzero_bits): Call set_range_info_raw.
11217         * tree-ssanames.h (set_range_info_raw): New.
11218
11219 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
11220
11221         PR target/81225
11222         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
11223         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
11224         of nonimmediate_operand and <store_mask_constraint> instead of m
11225         for the input operand.  For V8FI iterator, always split if input
11226         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
11227         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
11228         <store_mask_predicate> instead of register_operand and
11229         <store_mask_constraint> instead of v for the input operand.  Make
11230         sure both operands aren't MEMs for if not <mask_applied>.
11231
11232 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
11233
11234         * lto-wrapper.c (copy_file) Close both file descriptors before
11235         exiting normally.
11236
11237 2017-06-30  Martin Liska  <mliska@suse.cz>
11238
11239         PR ipa/81214
11240         * multiple_target.c (create_dispatcher_calls): Make ifunc
11241         also for function that don't have calls or are not referenced.
11242
11243 2017-06-30  Richard Biener  <rguenther@suse.de>
11244
11245         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
11246         analyze the first scalar stmt.  Move vector type computation
11247         for the BB case here from ...
11248         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
11249         live operation processing in the SLP case properly.
11250
11251 2017-06-30  Richard Biener  <rguenther@suse.de>
11252
11253         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
11254
11255 2017-06-30  Martin Liska  <mliska@suse.cz>
11256
11257         PR sanitizer/81021
11258         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
11259         before BUILT_IN_UNWIND_RESUME when ASAN is used.
11260
11261 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
11262
11263         * doc/invoke.texi (AArch64): Add missing options and remove redundant
11264         ones.
11265
11266 2017-06-30  Richard Biener  <rguenther@suse.de>
11267
11268         PR tree-optimization/81249
11269         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
11270         condition reduction result to original scalar type.
11271
11272 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11273
11274         * profile-count.h (enum profile_quality): Fix typos and whitespace
11275         issues.
11276
11277 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11278
11279         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
11280         type for branch probabilities.
11281
11282 2017-06-29  Julian Brown  <julian@codesourcery.com>
11283             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11284
11285         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
11286         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
11287         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
11288         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
11289
11290 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11291
11292         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
11293         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
11294         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
11295         CC usage from generic code to here.
11296         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
11297         CC usage into the target macros.
11298
11299 2017-06-29  Maya Rashish  <coypu@sdf.org>
11300
11301         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
11302         objects.
11303
11304 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11305
11306         * arm/arm-builtins.c: Include profile-count.h
11307         * except.c (sjlj_emit_function_enter): Use
11308         profile_probability::unlikely.
11309
11310 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11311
11312         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
11313         and tocrel_offset be pointer args rather than implicitly using
11314         static versions.
11315         (legitimate_constant_pool_address_p, rs6000_emit_move,
11316         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
11317         tocrel_offset and use in toc_relative_expr_p call.
11318         (print_operand, print_operand_address): Use static tocrel_base_oac
11319         and tocrel_offset_oac.
11320         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
11321         tocrel_offset_oac.
11322
11323 2017-06-29  Maya Rashish  <coypu@sdf.org>
11324
11325         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
11326
11327 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11328
11329         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
11330         objects, take into account only the alignment of 'op0' and 'mode1' if
11331         'op0' is a MEM.
11332
11333 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
11334
11335         * ccmp.c (ccmp_tree_comparison_p): New function.
11336         (ccmp_candidate_p): Update to use above function.
11337         (get_compare_parts): New function.
11338         (expand_ccmp_next): Update to use new functions.
11339         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
11340         new functions.
11341         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
11342         take mode as argument.
11343         * ccmp.h (expand_ccmp_expr): Add mode as argument.
11344         * expr.c (expand_expr_real_1): Pass mode as argument.
11345
11346 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
11347
11348         * combine.c (combine_instructions): Print insns to dump_file, together
11349         with their costs.
11350
11351 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
11352
11353         * asan.c (asan_emit_stack_protection): Update.
11354         (create_cond_insert_point): Update.
11355         * auto-profile.c (afdo_propagate_circuit): Update.
11356         * basic-block.h (struct edge_def): Turn probability to
11357         profile_probability.
11358         (EDGE_FREQUENCY): Update.
11359         * bb-reorder.c (find_traces_1_round): Update.
11360         (better_edge_p): Update.
11361         (sanitize_hot_paths): Update.
11362         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
11363         (make_single_succ_edge): Update.
11364         (check_bb_profile): Update.
11365         (dump_edge_info): Update.
11366         (update_bb_profile_for_threading): Update.
11367         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
11368         probabilitycount to 0.
11369         * cfgbuild.c (compute_outgoing_frequencies): Update.
11370         * cfgcleanup.c (try_forward_edges): Update.
11371         (outgoing_edges_match): Update.
11372         (try_crossjump_to_edge): Update.
11373         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
11374         (expand_gimple_tailcall): Update.
11375         (construct_init_block): Use make_single_succ_edge.
11376         (construct_exit_block): Use make_single_succ_edge.
11377         * cfghooks.c (verify_flow_info): Update.
11378         (redirect_edge_succ_nodup): Update.
11379         (split_edge): Update.
11380         (account_profile_record): Update.
11381         * cfgloopanal.c (single_likely_exit): Update.
11382         * cfgloopmanip.c (scale_loop_profile): Update.
11383         (set_zero_probability): Remove.
11384         (duplicate_loop_to_header_edge): Update.
11385         * cfgloopmanip.h (loop_version): Update prototype.
11386         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
11387         (force_nonfallthru_and_redirect): Update.
11388         (update_br_prob_note): Update.
11389         (rtl_verify_edges): Update.
11390         (purge_dead_edges): Update.
11391         (rtl_lv_add_condition_to_bb): Update.
11392         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
11393         * cgraphunit.c (init_lowered_empty_function): Update.
11394         (cgraph_node::expand_thunk): Update.
11395         * cilk-common.c: Include profile-count.h
11396         * dojump.c (inv): Remove.
11397         (jumpifnot): Update.
11398         (jumpifnot_1): Update.
11399         (do_jump_1): Update.
11400         (do_jump): Update.
11401         (do_jump_by_parts_greater_rtx): Update.
11402         (do_compare_rtx_and_jump): Update.
11403         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
11404         do_jump_1. do_compare_rtx_and_jump): Update prototype.
11405         * dwarf2cfi.c: Include profile-count.h
11406         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
11407         (sjlj_emit_dispatch_table): Likewise.
11408         * explow.c: Include profile-count.h
11409         * expmed.c (emit_store_flag_force): Update.
11410         (do_cmp_and_jump): Update.
11411         * expr.c (compare_by_pieces_d::generate): Update.
11412         (compare_by_pieces_d::finish_mode): Update.
11413         (emit_block_move_via_loop): Update.
11414         (store_expr_with_bounds): Update.
11415         (store_constructor): Update.
11416         (expand_expr_real_2): Update.
11417         (expand_expr_real_1): Update.
11418         * expr.h (try_casesi, try_tablejump): Update prototypes.
11419         * gimple-pretty-print.c (dump_probability): Update.
11420         (dump_profile): New.
11421         (dump_gimple_label): Update.
11422         (dump_gimple_bb_header): Update.
11423         * graph.c (draw_cfg_node_succ_edges): Update.
11424         * hsa-gen.c (convert_switch_statements): Update.
11425         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
11426         (find_if_case_1): Update.
11427         (find_if_case_2): Update.
11428         * internal-fn.c (expand_arith_overflow_result_store): Update.
11429         (expand_addsub_overflow): Update.
11430         (expand_neg_overflow): Update.
11431         (expand_mul_overflow): Update.
11432         (expand_vector_ubsan_overflow): Update.
11433         * ipa-cp.c (good_cloning_opportunity_p): Update.
11434         * ipa-split.c (split_function): Use make_single_succ_edge.
11435         * ipa-utils.c (ipa_merge_profiles): Update.
11436         * loop-doloop.c (add_test): Update.
11437         (doloop_modify): Update.
11438         * loop-unroll.c (compare_and_jump_seq): Update.
11439         (unroll_loop_runtime_iterations): Update.
11440         * lra-constraints.c (lra_inheritance): Update.
11441         * lto-streamer-in.c (input_cfg): Update.
11442         * lto-streamer-out.c (output_cfg): Update.
11443         * mcf.c (adjust_cfg_counts): Update.
11444         * modulo-sched.c (sms_schedule): Update.
11445         * omp-expand.c (expand_omp_for_init_counts): Update.
11446         (extract_omp_for_update_vars): Update.
11447         (expand_omp_ordered_sink): Update.
11448         (expand_omp_for_ordered_loops): Update.
11449         (expand_omp_for_generic): Update.
11450         (expand_omp_for_static_nochunk): Update.
11451         (expand_omp_for_static_chunk): Update.
11452         (expand_cilk_for): Update.
11453         (expand_omp_simd): Update.
11454         (expand_omp_taskloop_for_outer): Update.
11455         (expand_omp_taskloop_for_inner): Update.
11456         * omp-simd-clone.c (simd_clone_adjust): Update.
11457         * optabs.c (expand_doubleword_shift): Update.
11458         (expand_abs): Update.
11459         (emit_cmp_and_jump_insn_1): Update.
11460         (expand_compare_and_swap_loop): Update.
11461         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
11462         * predict.c (predictable_edge_p): Update.
11463         (edge_probability_reliable_p): Update.
11464         (set_even_probabilities): Update.
11465         (combine_predictions_for_insn): Update.
11466         (combine_predictions_for_bb): Update.
11467         (propagate_freq): Update.
11468         (estimate_bb_frequencies): Update.
11469         (force_edge_cold): Update.
11470         * profile-count.c (profile_count::dump): Add missing space into dump.
11471         (profile_count::debug): Add newline.
11472         (profile_count::differs_from_p): Explicitly convert to unsigned.
11473         (profile_count::stream_in): Update.
11474         (profile_probability::dump): New member function.
11475         (profile_probability::debug): New member function.
11476         (profile_probability::differs_from_p): New member function.
11477         (profile_probability::differs_lot_from_p): New member function.
11478         (profile_probability::stream_in): New member function.
11479         (profile_probability::stream_out): New member function.
11480         * profile-count.h (profile_count_quality): Rename to ...
11481         (profile_quality): ... this one.
11482         (profile_probability): New.
11483         (profile_count): Update.
11484         * profile.c (compute_branch_probabilities): Update.
11485         * recog.c (peep2_attempt): Update.
11486         * sched-ebb.c (schedule_ebbs): Update.
11487         * sched-rgn.c (find_single_block_region): Update.
11488         (compute_dom_prob_ps): Update.
11489         (schedule_region): Update.
11490         * sel-sched-ir.c (compute_succs_info): Update.
11491         * stmt.c (struct case_node): Update.
11492         (do_jump_if_equal): Update.
11493         (get_outgoing_edge_probs): Update.
11494         (conditional_probability): Update.
11495         (emit_case_dispatch_table): Update.
11496         (expand_case): Update.
11497         (expand_sjlj_dispatch_table): Update.
11498         (emit_case_nodes): Update.
11499         * targhooks.c: Update.
11500         * tracer.c (better_p): Update.
11501         (find_best_successor): Update.
11502         * trans-mem.c (expand_transaction): Update.
11503         * tree-call-cdce.c: Update.
11504         * tree-cfg.c (gimple_split_edge): Upate.
11505         (move_sese_region_to_fn): Upate.
11506         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
11507         * tree-eh.c (lower_resx): Upate.
11508         (cleanup_empty_eh_move_lp): Upate.
11509         * tree-if-conv.c (version_loop_for_if_conversion): Update.
11510         * tree-inline.c (copy_edges_for_bb): Update.
11511         (copy_cfg_body): Update.
11512         * tree-parloops.c (gen_parallel_loop): Update.
11513         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
11514         (gimple_gen_time_profiler): Update.
11515         * tree-ssa-dce.c (remove_dead_stmt): Update.
11516         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
11517         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
11518         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
11519         (unloop_loops): Update.
11520         (try_peel_loop): Update.
11521         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
11522         * tree-ssa-loop-split.c (connect_loops): Update.
11523         (split_loop): Update.
11524         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
11525         (hoist_guard): Update.
11526         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
11527         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
11528         (value_replacement): Update.
11529         * tree-ssa-reassoc.c (branch_fixup): Update.
11530         * tree-ssa-tail-merge.c (replace_block_by): Update.
11531         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
11532         (create_edge_and_update_destination_phis): Update.
11533         (compute_path_counts): Update.
11534         (recompute_probabilities): Update.
11535         (update_joiner_offpath_counts): Update.
11536         (freqs_to_counts_path): Update.
11537         (duplicate_thread_path): Update.
11538         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
11539         (struct switch_conv_info): Update.
11540         (gen_inbound_check): Update.
11541         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
11542         (vect_do_peeling): Update.
11543         (vect_loop_versioning): Update.
11544         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
11545         (optimize_mask_stores): Update.
11546         * ubsan.c (ubsan_expand_null_ifn): Update.
11547         * value-prof.c (gimple_divmod_fixed_value): Update.
11548         (gimple_divmod_fixed_value_transform): Update.
11549         (gimple_mod_pow2): Update.
11550         (gimple_mod_pow2_value_transform): Update.
11551         (gimple_mod_subtract): Update.
11552         (gimple_mod_subtract_transform): Update.
11553         (gimple_ic): Update.
11554         (gimple_stringop_fixed_value): Update.
11555         (gimple_stringops_transform): Update.
11556         * value-prof.h: Update.
11557
11558 2017-06-29  Carl Love  <cel@us.ibm.com>
11559
11560         * config/rs6000/rs6000-c.c: Add support for built-in functions
11561         vector signed int vec_signed (vector float);
11562         vector signed long long vec_signed (vector double);
11563         vector signed int vec_signed2 (vector double, vector double);
11564         vector signed int vec_signede (vector double);
11565         vector signed int vec_signedo (vector double);
11566         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
11567         instruction generator.
11568         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
11569         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
11570         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
11571         Add define_insn.
11572         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
11573         vunsignede_v2df): Add define_expands.
11574         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
11575         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
11576         VEC_UNSIGNEDO): Add definitions.
11577         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
11578         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
11579         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
11580         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
11581         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
11582         * config/rs6000/altivec.h (vec_signed, vec_signed2,
11583         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
11584         vec_unsignede, vec_unsignedo): Add builtin defines.
11585         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
11586         declaration.
11587         * doc/extend.texi: Update the built-in documentation file for the
11588         new built-in functions.
11589
11590 2017-06-29  Richard Biener  <rguenther@suse.de>
11591
11592         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
11593         reduction chains to LOOP_VINFO_REDUCTIONS.
11594         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
11595         SLP reductions after processing reduction chains.
11596
11597 2017-06-29  Nathan Sidwell  <nathan@acm.org>
11598
11599         * builtins.c (fold_builtin_FUNCTION): Use
11600         lang_hooks.decl_printable_name.
11601
11602 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
11603
11604         PR middle-end/81194
11605         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
11606         with only one label.
11607         * stmt.c (expand_case): Assert NCASES is greater than one.
11608
11609 2017-06-29  Richard Biener  <rguenther@suse.de>
11610
11611         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
11612         anything.
11613         (group_case_labels): Likewise.
11614         (find_taken_edge): Push sanity checking on val to workers...
11615         (find_taken_edge_cond_expr): ... here
11616         (find_taken_edge_switch_expr): ... and here, handle cases
11617         with just a default label.
11618         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
11619         (group_case_labels): Likewise.
11620         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
11621         group_case_labels does anything cleanup the CFG again.
11622
11623 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
11624
11625         PR tree-optimization/81196
11626         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
11627         exit condition comparing two IVs.
11628
11629 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
11630
11631         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
11632         profile to the dummy entry at the end of the list of architectures.
11633         * config/arm/arm-cpu-cdata.h: Regenerated.
11634
11635 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11636             Michael Collison <michael.collison@arm.com>
11637
11638         PR target/70119
11639         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
11640         New pattern.
11641         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
11642         (*aarch64_reg_<mode>3_minus_mask): New pattern.
11643         (*aarch64_<optab>_reg_di3_mask2): New pattern.
11644         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
11645         of shift when the shift amount is masked with constant equal to
11646         the size of the mode.
11647         * config/aarch64/predicates.md (subreg_lowpart_operator): New
11648         predicate.
11649
11650 2017-06-29  Martin Liska  <mliska@suse.cz>
11651
11652         * config/i386/i386.opt: Change range from [1,5] to [0,5].
11653
11654 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
11655
11656         PR bootstrap/80565
11657         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
11658         code.
11659         * ipa-inline.h
11660         (edge_growth_cache_entry::edge_growth_cache_entry): New
11661         function.
11662         (reset_edge_growth_cache): Update to use constructor.
11663
11664 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11665
11666         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
11667         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
11668         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
11669
11670 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
11671
11672         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
11673         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
11674
11675 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
11676
11677         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
11678         (*-linux-uclibc*): Add t-uclibc tmake_file.
11679         * config/t-musl: New.
11680         * config/t-uclibc: New.
11681
11682 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
11683
11684         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
11685         context.
11686         (gen_comm_data): Emit architectural setting of arch_prof.
11687         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
11688         profile.
11689         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
11690         (armv8-m.base, armv8-m.main): Likewise.
11691         * arm-protos.h (arm_build_target): Add profile field.
11692         (arch_option): Likewise.
11693         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
11694         the active target.
11695         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
11696         arm_active_target.profile.
11697
11698 2017-06-28  Richard Biener  <rguenther@suse.de>
11699
11700         PR middle-end/81227
11701         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
11702         TYPE_OVERFLOW_WRAPS.
11703         * match.pd (negate_expr_p): Likewise.
11704         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
11705         fold_build2, not fold_binary.
11706
11707 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
11708
11709         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
11710         Convert memory address to Pmode.
11711         (aarch64_print_operand): Assert MEM operands are always Pmode.
11712
11713 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
11714
11715         PR target/79665
11716         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
11717         Remove redundant if.
11718         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
11719         * config/arm/aarch-common-protos.h
11720         (aarch_forward_to_shift_is_not_shifted_re): Remove.
11721         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
11722
11723 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
11724
11725         PR ipa/81238
11726         * multiple_target.c (create_dispatcher_calls): Set the default
11727         clone to be static, not public.
11728
11729 2017-06-28  Richard Biener  <rguenther@suse.de>
11730
11731         * tree-vect-loop.c (vectorizable_reduction): Move special
11732         cond reduction IV var creation ...
11733         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
11734         parameter.  Use STMT_VINFO_VECTYPE.
11735         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
11736         constant_p.
11737
11738 2017-06-28  Martin Liska  <mliska@suse.cz>
11739
11740         PR ipa/81128
11741         * ipa-visibility.c (non_local_p): Handle visibility.
11742
11743 2017-06-28  Martin Liska  <mliska@suse.cz>
11744
11745         PR driver/79659
11746         * common.opt: Add IntegerRange to various options.
11747         * opt-functions.awk (integer_range_info): New function.
11748         * optc-gen.awk: Add integer_range_info to cl_options struct.
11749         * opts-common.c (decode_cmdline_option): Handle
11750         CL_ERR_INT_RANGE_ARG.
11751         (cmdline_handle_error): Likewise.
11752         * opts.c (print_filtered_help): Show valid interval in
11753         when --help is provided.
11754         * opts.h (struct cl_option): Add range_min and range_max fields.
11755         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
11756
11757 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
11758
11759         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
11760         (x * C EQ/NE y * C): New transformation.
11761
11762 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
11763
11764         * genmultilib (combination_space): Accept '+' in option names.
11765
11766 2017-06-28  Martin Liska  <mliska@suse.cz>
11767
11768         PR sanitizer/81224
11769         * asan.c (instrument_derefs): Bail out inner references
11770         that are hard register variables.
11771
11772 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
11773
11774         PR target/81175
11775         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
11776         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
11777
11778 2017-06-28  Richard Biener  <rguenther@suse.de>
11779
11780         * tree-vectorizer.h (vect_get_vec_defs): Remove.
11781         (vect_get_slp_defs): Adjust.
11782         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
11783         out from ...
11784         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
11785         simplify.
11786         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
11787         get_initial_defs_for_reduction instead of vect_get_vec_defs.
11788         (vectorizable_reduction): Adjust.
11789         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
11790         handling.
11791         (vect_get_slp_defs): Likewise.
11792         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
11793         (vectorizable_bswap): Adjust.
11794         (vectorizable_call): Likewise.
11795         (vectorizable_conversion): Likewise.
11796         (vectorizable_assignment): Likewise.
11797         (vectorizable_shift): Likewise.
11798         (vectorizable_operation): Likewise.
11799         (vectorizable_store): Likewise.
11800         (vectorizable_condition): Likewise.
11801         (vectorizable_comparison): Likewise.
11802
11803 2017-06-28  Michael Collison  <michael.collison@arm.com>
11804
11805         PR target/68535
11806         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
11807         set of base_reg
11808         (arm_gen_movmemqi): Removed unused variable 'i'.
11809         Convert 'for' loop into 'while' loop.
11810         (arm_expand_prologue): Remove last unnecessary set of insn.
11811         (thumb_pop): Remove unused variable 'pushed_words'.
11812         (thumb_exit): Remove last unnecessary set of regs_to_pop.
11813
11814 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11815
11816         * config/s390/predicates.md: Use s390_rel_address_ok_p.
11817         * config/s390/s390-protos.h: Add prototype of
11818         s390_rel_address_ok_p.
11819         * config/s390/s390.c (s390_got_symbol): New function.
11820         (s390_rel_address_ok_p): New function.
11821         (legitimize_pic_address): Use s390_rel_address_ok_p.
11822         (s390_load_got): Use s390_got_symbol.
11823         (s390_option_override): Issue error if
11824         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
11825         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
11826         New macro.
11827         * config/s390/s390.opt: New option mpic-data-is-text-relative.
11828
11829 2017-06-27  Andrew Pinski  <apinski@cavium.com>
11830
11831         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
11832         (X * copysign (1.0, X)): New pattern.
11833         (X * copysign (1.0, -X)): New pattern.
11834         (copysign (-1.0, CST)): New pattern.
11835
11836 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
11837
11838         * genmultilib (combination_space): Remove variable.
11839         Validate reuse rules against regular expression for any sequence
11840         of multilib options in any order.
11841
11842 2017-06-27  Michael Collison  <michael.collison@arm.com>
11843
11844         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
11845         call aarch64_split_simd_combine.
11846         * (aarch64_combine_internal<mode>): Delete pattern.
11847         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
11848         Allow register and subreg operands.
11849
11850 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11851
11852         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
11853         specific need, just fallback on defaults.
11854         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
11855
11856 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11857             Olivier Hainque  <hainque@adacore.com>
11858
11859         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
11860         map for 64bits.
11861         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
11862         targets. Pick a default if no particular attempt applied.
11863         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
11864         larger contexts.
11865
11866 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11867
11868         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
11869         (x86_64-wrs-vxworks7): Likewise.
11870
11871 2017-06-27  Marek Polacek  <polacek@redhat.com>
11872
11873         PR sanitizer/81223
11874         * ubsan.c (instrument_null): Check get_base_address's result for null.
11875
11876 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11877
11878         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
11879
11880 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11881
11882         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
11883         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
11884         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
11885         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
11886         New function types.
11887         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
11888         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
11889         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
11890         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
11891         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
11892         BUILT_IN_FEUPDATEENV): New builtins.
11893         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
11894         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
11895         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
11896         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
11897         macros.
11898         (builtin_structptr_types): Adjust size.
11899         * tree.c (builtin_structptr_types): Add four entries.
11900
11901 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11902             Olivier Hainque  <hainque@adacore.com>
11903
11904         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
11905         (TLS_SYM): New local macro, forcing reference to __tls__ on
11906         link command lines for VxWorks 7 RTPs, triggering initialization
11907         of tlsLib.
11908         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
11909         OS features TLS support, true for RTPs on VxWorks 7.
11910         * config/vxworks.c (vxworks_override_options): Setup emutls
11911         accordingly.
11912
11913 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11914
11915         * predict.c (test_prediction_value_range): Use -1U instead of -1
11916         to avoid narrowing conversion warning.
11917         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
11918         to avoid narrowing conversion warning.
11919         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
11920         -1.
11921         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
11922
11923 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11924
11925         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
11926         64bit configurations.
11927         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
11928         (SIZE_TYPE): Likewise.
11929         * config/vxworks.c (vxworks_emutls_var_fields): Use
11930         long_unsigned_type_node instead of unsigned_type_node as the offset
11931         field type, which is "pointer" mode in emutls.c.
11932
11933 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11934
11935         PR sanitizer/81209
11936         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
11937
11938         PR middle-end/81207
11939         * gimple-fold.c (replace_call_with_call_and_fold): Handle
11940         gimple_vuse copying separately from gimple_vdef copying.
11941
11942 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11943
11944         * value-prof.c (free_hist): Remove call to memset and the enclosing if
11945         condition.
11946
11947 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11948             Olivier Hainque  <hainque@adacore.com>
11949
11950         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
11951         for all vxworks7 targets.
11952         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
11953         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
11954         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
11955         variations for VX6/VX7 and 32/64bits later on in ...
11956         (VXWORKS_LIB_SPEC): Leverage new macros.
11957         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
11958         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
11959
11960 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11961
11962         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
11963         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
11964
11965 2017-06-26  Carl Love  <cel@us.ibm.com>
11966
11967         * config/rs6000/rs6000-c.c: Add support for built-in functions
11968         vector bool char vec_reve (vector bool char);
11969         vector signed char vec_reve (vector signed char);
11970         vector unsigned char vec_reve (vector unsigned char);
11971         vector bool int vec_reve (vector bool int);
11972         vector signed int vec_reve (vector signed int);
11973         vector unsigned int vec_reve (vector unsigned int);
11974         vector bool long long vec_reve (vector bool long long);
11975         vector signed long long vec_reve (vector signed long long);
11976         vector unsigned long long vec_reve (vector unsigned long long);
11977         vector bool short vec_reve (vector bool short);
11978         vector signed short vec_reve (vector signed short);
11979         vector double vec_reve (vector double);
11980         vector float vec_reve (vector float);
11981         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
11982         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
11983         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
11984         (altivec_vreve): New pattern.
11985         * config/rs6000/altivec.h (vec_reve): New define.
11986         * doc/extend.texi (vec_rev): Update the built-in documentation file
11987         for the new built-in functions.
11988
11989 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11990
11991         PR tree-optimization/71815
11992         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
11993         function.
11994         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
11995         has_single_use.
11996         (slsr_process_phi): Likewise.
11997         (replace_uncond_cands_and_profitable_phis): Don't replace a
11998         multiply candidate with a stride of 1 (copy or cast).
11999         (phi_incr_cost): Call uses_consumed_by_stmt rather than
12000         has_single_use.
12001         (lowest_cost_path): Likewise.
12002         (total_savings): Likewise.
12003
12004 2017-06-26  Richard Biener  <rguenther@suse.de>
12005
12006         PR target/81175
12007         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
12008         Use def_builtin_pure for all gather builtins.
12009
12010 2017-06-26  Richard Biener  <rguenther@suse.de>
12011
12012         PR tree-optimization/81203
12013         * tree-tailcall.c (find_tail_calls): Do not move stmts into
12014         non-dominating BBs.
12015
12016 2017-06-26  Marek Polacek  <polacek@redhat.com>
12017
12018         PR c/80116
12019         * doc/invoke.texi: Document -Wmultistatement-macros.
12020
12021 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
12022
12023         * doc/sourcebuild.texi (ARM-specific attributes): Document new
12024         arm_neon_ok_no_float_abi effective target.
12025
12026 2017-06-26  Richard Biener  <rguenther@suse.de>
12027
12028         PR tree-optimization/80928
12029         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
12030         (copy_bbs): Set BB_DUPLICATED flag early.
12031         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
12032         marked blocks.
12033         (execute_on_shrinking_pred): Likewise.
12034         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
12035         BB_DUPLICATED blocks.
12036         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
12037         iterate over all PHIs considering removal of *gsi.
12038
12039 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
12040
12041         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
12042         qdf24xx.
12043
12044 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
12045
12046         * config/rs6000/rs6000-string.c: (expand_block_clear,
12047         do_load_for_compare, select_block_compare_mode,
12048         compute_current_alignment, expand_block_compare,
12049         expand_strncmp_align_check, expand_strn_compare,
12050         expand_block_move, rs6000_output_load_multiple)
12051         Move functions related to string/block move/compare
12052         to a separate file.
12053         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
12054         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
12055         for this function which is now used in two files.
12056         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
12057         * config.gcc: Add rs6000-string.o to extra_objs for
12058         targets powerpc*-*-* and rs6000*-*-*.
12059
12060 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
12061
12062         PR target/80510
12063         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
12064         32-bit, since indexed is not valid for DImode.
12065         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
12066         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
12067         (define_peephole2 for Altivec d-form load): Add 32-bit support.
12068         (define_peephole2 for Altivec d-form store): Likewise.
12069
12070         PR ipa/81185
12071         * multiple_target.c (create_dispatcher_calls): Only create the
12072         dispatcher call if the function is the default clone of a
12073         versioned function.
12074
12075 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
12076
12077         PR middle-end/80902
12078         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
12079         a call, force the call to not be a tail call.
12080
12081 2017-06-23  Jeff Law  <law@redhat.com>
12082
12083         * doc/contrib.texi: Add entry for Steven Pemberton's work on
12084         enquire.
12085
12086 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
12087
12088         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
12089         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
12090         handling for early expansion of vector shifts (sl,sr,sra,rl).
12091         (builtin_function_type): Add vector shift right instructions
12092         to the unsigned argument list.
12093
12094 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12095
12096         rtl-optimizatoin/79286
12097         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
12098         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
12099         trap.  PIC register plus a const unspec without offset can never trap.
12100
12101 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
12102
12103         * tree.h (builtin_structptr_type): New type.
12104         (builtin_structptr_types): Declare new array.
12105         * tree.c (builtin_structptr_types): New array.
12106         (free_lang_data, build_common_tree_nodes): Use it.
12107
12108 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
12109
12110         PR c++/81187
12111         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
12112         -Wnoexcept.
12113
12114 2017-06-22  Matt Turner  <mattst88@gmail.com>
12115
12116         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
12117         Lake models to skylake case.  Assume skylake for unknown
12118         models with clflushopt.
12119
12120 2017-06-22  Jeff Law  <law@redhat.com>
12121
12122         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
12123         frame sizes that do not satisfy aarch64_uimm12_shift.
12124
12125 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
12126
12127         * profile-count.h (apply_probability,
12128         apply_scale, probability_in): Fix checks for zero.
12129
12130 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12131
12132         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
12133         * doc/cppdiropts.texi (-I @var{dir}): Document it.
12134
12135 2016-06-22  Richard Biener  <rguenther@suse.de>
12136
12137         * tree-vect-loop.c (vect_model_reduction_cost): Handle
12138         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
12139         REDUC_MAX_EXPR support.
12140         (vectorizable_reduction): Likewise.
12141         (vect_create_epilog_for_reduction): Likewise.
12142
12143 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
12144
12145         * match.pd (A / (1 << B) -> A >> B): New.
12146         * generic-match-head.c: Include optabs-tree.h.
12147         * gimple-match-head.c: Likewise.
12148         * optabs-tree.h (target_supports_op_p): New.
12149         * optabs-tree.c (target_supports_op_p): New.
12150
12151 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12152
12153         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
12154         $gcc_cv_ld --help output.
12155         (gcc_cv_ld_demangle): Likewise.
12156         (gcc_cv_ld_eh_frame_hdr): Likewise.
12157         (gcc_cv_ld_pie): Likewise.
12158         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
12159         (gcc_cv_ld_buildid): Likewise.
12160         (gcc_cv_ld_sysroot): Likewise.
12161         (ld_bndplt_support): Likewise.
12162         (ld_pushpopstate_support): Likewise.
12163         * configure: Regenerate.
12164         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
12165
12166 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
12167
12168         PR target/81151
12169         * config/i386/sse.md (round<mode>2): Renumber match_dup and
12170         operands indexes to avoid gap between operands and match_dups.
12171
12172 2017-06-21  Andrew Pinski  <apinski@cavium.com>
12173
12174         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
12175         Increment Arith_shift and Arith_shift_reg by 1.
12176         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
12177         New tuning flag.
12178         * config/aarch64/aarch64.c (thunderx_tunings): Enable
12179         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
12180         (aarch64_strip_extend): Add new argument and test for it.
12181         (aarch64_cheap_mult_shift_p): New function.
12182         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
12183         add a cost if it is true.
12184         Update calls to aarch64_strip_extend.
12185         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
12186
12187 2017-06-21  Andrew Pinski  <apinski@cavium.com>
12188
12189         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
12190         tunings.
12191         (thunderxt88): Likewise.
12192         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
12193         (thunderx_prefetch_tune): New variable.
12194         (thunderx2t99_prefetch_tune): Update for the correct values.
12195         (thunderxt88_tunings): New variable.
12196         (thunderx_tunings): Use thunderx_prefetch_tune instead of
12197         generic_prefetch_tune.
12198         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
12199
12200 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12201
12202         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
12203         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
12204         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
12205         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
12206         (aarch64_atomic_cas<mode>, GPI): Likewise.
12207
12208 2017-06-21  Martin Liska  <mliska@suse.cz>
12209
12210         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
12211         statements on cold and hot labels.
12212         * predict.c (tree_estimate_probability_bb): Remove the
12213         prediction from this place.
12214
12215 2017-06-21  Martin Liska  <mliska@suse.cz>
12216
12217         PR tree-optimization/79489
12218         * gimplify.c (maybe_add_early_return_predict_stmt): New
12219         function.
12220         (gimplify_return_expr): Call the function.
12221         * predict.c (tree_estimate_probability_bb): Remove handling
12222         of early return.
12223         * predict.def: Update comment about early return predictor.
12224         * gimple-predict.h (is_gimple_predict): New function.
12225         * predict.def: Change default value of early return to 66.
12226         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
12227         statements.
12228         * passes.def: Put pass_strip_predict_hints to the beginning of
12229         IPA passes.
12230
12231 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
12232
12233         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
12234         FUNCTION_DECL declarations.
12235         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
12236         declarations.
12237         (dwaf2out_decl): Likewise.
12238         * godump.c (go_early_global_decl): Skip call to the real debug hook
12239         for FUNCTION_DECL declarations.
12240         * passes.c (rest_of_decl_compilation): Skip call to the
12241         early_global_decl debug hook for FUNCTION_DECL declarations, unless
12242         -fdump-go-spec is passed.
12243
12244 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
12245
12246         * config/i386/i386.c (struct builtin_isa): New field pure_p.
12247         Reorder for compactness.
12248         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
12249         (def_builtin_pure, def_builtin_pure2): New functions.
12250         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
12251
12252 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
12253
12254         * match.pd (nop_convert): New predicate.
12255         ((A +- CST1) +- CST2): Allow some NOP conversions.
12256
12257 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
12258
12259         PR c++/81130
12260         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
12261         with ctors/dtors if GOVD_SHARED is set.
12262
12263 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
12264
12265         * config/aarch64/aarch64.md (movti_aarch64):
12266         Emit mov rather than orr.
12267         (movtf_aarch64): Likewise.
12268         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
12269         Emit mov rather than orr.
12270
12271 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
12272
12273         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
12274         Swap alternatives, make integer dup more expensive.
12275
12276 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
12277
12278         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
12279         Return true for non-tls symbols.
12280
12281 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
12282
12283         * config/aarch64/aarch64-cores.def (cortex-a55): New.
12284         (cortex-a75): Likewise.
12285         (cortex-a75.cortex-a55): Likewise.
12286         * config/aarch64/aarch64-tune.md: Regenerate.
12287         * doc/invoke.texi (-mtune): Document new values for -mtune.
12288
12289 2017-06-21  Tom de Vries  <tom@codesourcery.com>
12290
12291         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
12292         stack_size feature.
12293         (Effective-Target Keywords, Other attributes): Suggest using
12294         dg-add-options stack_size feature to get stack limit in stack_size
12295         effective target documentation.
12296
12297 2017-06-21  Julian Brown  <julian@codesourcery.com>
12298             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
12299
12300         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
12301         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
12302         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
12303         reservation.
12304         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
12305         attribute type list for neon_multiply.
12306         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
12307         attribute type list for neon_multiply.
12308         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
12309         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
12310         attribute type list for neon_multiply.
12311         * config/arm/types.md (crypto_pmull): Add.
12312         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
12313         attribute type list.
12314
12315 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
12316
12317         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
12318         arm1176jzf-s.
12319
12320 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
12321
12322         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
12323         to make sure not to dereference a NULL cost_classes_ptr pointer.
12324
12325 2017-06-20  Carl Love  <cel@us.ibm.com>
12326
12327         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12328         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
12329         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
12330         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
12331         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
12332         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
12333         VMULOSW): New enum "unspec" values.
12334         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
12335         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
12336         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
12337         altivec_vmulosw): New patterns.
12338         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
12339         VMULOSW): Add definitions.
12340
12341 2017-06-20  Julia Koval  <julia.koval@intel.com>
12342
12343         * config/i386/i386.c: Fix rounding expand for new pattern.
12344         * config/i386/subst.md: Fix pattern (parallel -> unspec).
12345
12346 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
12347
12348         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
12349         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
12350
12351 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
12352
12353         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
12354         feature string.
12355
12356 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
12357
12358         * config/aarch64/aarch64-cores.def: Rearrange to sort by
12359         architecture, then by implementer ID.
12360         * config/aarch64/aarch64-tune.md: Regenerate.
12361
12362 2017-06-20  Richard Biener  <rguenther@suse.de>
12363
12364         PR middle-end/81097
12365         * fold-const.c (split_tree): Fold to type before negating.
12366
12367 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
12368
12369         * diagnostic-show-locus.c
12370         (selftest::test_fixit_deletion_affecting_newline): New function.
12371         (selftest::diagnostic_show_locus_c_tests): Call it.
12372
12373 2017-06-20  Andreas Schwab  <schwab@suse.de>
12374
12375         PR target/80970
12376         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
12377         instead of "+d".
12378
12379 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
12380
12381         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
12382         __ARM_FEATURE_COPROC according to support.
12383
12384 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
12385
12386         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
12387         Rewritten to avoid overflow for > 32-bit pointers.
12388
12389         PR sanitizer/81125
12390         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
12391         by removing enum keyword.
12392         (ubsan_type_descriptor): Likewise.  Formatting fix.
12393
12394         PR target/81121
12395         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
12396         splitter): Require TARGET_SSE2 in the condition.
12397
12398 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
12399
12400         PR target/79799
12401         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
12402         for doing vector set of SFmode on ISA 3.0.
12403         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
12404         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
12405         element.
12406         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
12407         SFmode value into a V4SF variable that was extracted from another
12408         V4SF variable without converting the element to double precision
12409         and back to single precision vector format.
12410         (vsx_insert_extract_v4sf_p9_2): Likewise.
12411
12412 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
12413
12414         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
12415         in UWHI to avoid undefined overflow.
12416
12417         PR sanitizer/81125
12418         * ubsan.h (enum ubsan_encode_value_phase): New.
12419         (ubsan_encode_value): Change second argument to
12420         enum ubsan_encode_value_phase with default value of
12421         UBSAN_ENCODE_VALUE_GENERIC.
12422         * ubsan.c (ubsan_encode_value): Change second argument to
12423         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
12424         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
12425         create_tmp_var_raw instead of create_tmp_var and use a
12426         TARGET_EXPR.
12427         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
12428         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
12429         ubsan_encode_value callers.
12430
12431         PR sanitizer/81111
12432         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
12433         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
12434         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
12435
12436 2017-06-19  Richard Biener  <rguenther@suse.de>
12437
12438         PR middle-end/81118
12439         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
12440         estimates if we changed anything.
12441
12442 2017-06-19  Richard Biener  <rguenther@suse.de>
12443
12444         PR tree-optimization/80887
12445         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
12446         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
12447         simplified lookups, then reset mprts_hook.
12448         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
12449         simplifying.
12450         (try_to_simplify): Likewise.
12451
12452 2017-06-19  Martin Liska  <mliska@suse.cz>
12453
12454         PR sanitizer/80879
12455         * gimplify.c (gimplify_switch_expr):
12456         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
12457
12458 2017-06-19  Martin Liska  <mliska@suse.cz>
12459
12460         * doc/install.texi: Document that PGO runs in 4 stages.
12461
12462 2017-06-19  Martin Liska  <mliska@suse.cz>
12463
12464         PR ipa/80732
12465         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
12466         to dispatcher function name.
12467         * multiple_target.c (replace_function_decl): New function.
12468         (create_dispatcher_calls): Redirect both edges and references.
12469
12470 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
12471
12472         * profile-count.c (profile_count::dump): Dump quality.
12473         (profile_count::differs_from_p): Update for unsigned val.
12474         * profile-count.h (profile_count_quality): New enum.
12475         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
12476
12477 2017-06-19  Richard Biener  <rguenther@suse.de>
12478
12479         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
12480         struct function as arg.
12481         (estimate_numbers_of_iterations): Export overload with loop arg.
12482         (free_numbers_of_iterations_estimates_loop): Use an overload of
12483         free_numbers_of_iterations_estimates instead.
12484         * tree-cfg.c (remove_bb): Adjust.
12485         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
12486         * tree-parloops.c (gen_parallel_loop): Likewise.
12487         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
12488         Likewise.
12489         (tree_unroll_loops_completely): Likewise.
12490         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
12491         Use an overload instead and export.
12492         (estimated_loop_iterations): Adjust.
12493         (max_loop_iterations): Likewise.
12494         (likely_max_loop_iterations): Likewise.
12495         (estimate_numbers_of_iterations): Take struct function as arg
12496         and adjust.
12497         (loop_exits_before_overflow): Adjust.
12498         (free_numbers_of_iterations_estimates_loop): Use an overload.
12499         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
12500         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
12501
12502 2017-06-19  Richard Biener  <rguenther@suse.de>
12503
12504         PR ipa/81112
12505         * ipa-prop.c (find_constructor_constant_at_offset): Handle
12506         RANGE_EXPR conservatively.
12507
12508 2017-06-16  Carl Love  <cel@us.ibm.com>
12509
12510         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12511         definitions for vec_float, vec_float2, vec_floato,
12512         vec_floate built-ins.
12513         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
12514         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
12515         floate.
12516         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
12517         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
12518         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
12519         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
12520         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
12521         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
12522         vec_floato): Add builtin defines.
12523         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
12524         Update the built-in documentation file for the new built-in
12525         functions.
12526
12527 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12528
12529         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
12530         (mthumb): Mark as the negative of -marm.
12531
12532 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12533
12534         * doc/invoke.texi (ARM Options, -mcpu): Document supported
12535         extension options.
12536         (ARM Options, -mtune): Document that this accepts the same
12537         extension options as -mcpu.
12538         (ARM Options, -mfpu): Document addition of -mfpu=auto.
12539
12540 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12541
12542         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
12543         permitted extensions.
12544
12545 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12546
12547         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
12548         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
12549         (armv8-m.main): Add option +nodsp.
12550         * config/arm/arm-cpu-cdata.h: Regenerated.
12551
12552 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12553
12554         * config/arm/t-fuchsia: New file.
12555         * config.gcc (arm*-*-fuchsia*): Use it.
12556
12557 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12558
12559         * config/arm/t-symbian: Rewrite for new option infrastructure.
12560
12561 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12562
12563         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
12564         (MULTILIB_REQUIRED): Likewise.
12565
12566 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12567
12568         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
12569         (MULTILIB_RESUE): Likewise.
12570         (MULTILIB_MATCHES): Likewise.
12571         (MULTLIB_REQUIRED): Likewise.
12572
12573 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12574
12575         * config/arm/t-rtems: Rewrite for new option framework.
12576
12577 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12578
12579         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
12580         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
12581         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
12582         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
12583         * config/arm/t-multilib: ... here.
12584         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
12585         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
12586         armv7-a and armv8*-a when A-profile libraries have not been built.
12587         * config/arm/t-rmprofile: Rewrite.
12588
12589 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12590
12591         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
12592         with a backslash.  Remove the backslash after substituting unescaped
12593         periods.
12594         * doc/fragments.texi (MULTILIB_REUSE): Document it.
12595
12596 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12597
12598         * config.gcc: (arm*-*-*): When building a-profile libraries, force
12599         the driver to pass through the default setting of -mfloat-abi.
12600         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
12601         rather than NULL.
12602         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
12603         (all_feat_combs): New rule.
12604         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
12605         default libraries.
12606         * config/arm/t-aprofile: Rewrite.
12607
12608 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12609
12610         * config/arm/arm.h (FPUTYPE_AUTO): Define.
12611         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
12612         fpu is not specified by the user/command-line.
12613         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
12614         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
12615         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
12616         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
12617         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
12618         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
12619
12620 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12621
12622         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
12623         * config/arm/t-arm-elf: Rewritten.
12624
12625 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12626
12627         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
12628         have some floating-point instructions.
12629         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
12630         (TARGET_MAYBE_HARD_FLOAT): New macro.
12631         * config/arm/arm-builtins.c (arm_init_builtins): Use
12632         TARGET_MAYBE_HARD_FLOAT.
12633         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
12634
12635 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12636
12637         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
12638         (configargs.h): Include it.
12639         (arm_print_hint_for_fpu_option): New function.
12640         (arm_parse_fpu_option): New function.
12641         (candidate_extension): New class.
12642         (arm_canon_for_multilib): New function.
12643         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
12644         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
12645         (ARCH_CANONICAL_SPECS): New macro.
12646         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
12647
12648 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12649
12650         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
12651         are set after handling multilib fragments.  Set target_cpu_default2
12652         from with_cpu.
12653
12654 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12655
12656         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
12657         cpu name.
12658         (arm*-*-*): Set target_cpu_default2 to a quoted string.
12659         * config/arm/parsecpu.awk (check_cpu): Validate any extension
12660         options.
12661         (check_arch): Likewise.
12662         * config/arm/arm.c (arm_configure_build_target): Handle
12663         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
12664         options in the default.
12665
12666 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12667
12668         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
12669         when an option is an alias of another.
12670         * config/arm/parsecpu.awk (optalias): New parser token.
12671         (gen_comm_data): Mark non-alias options as such.  Emit entries
12672         for extension aliases.
12673         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
12674         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
12675         (armv6kz, armv6zk, armv6t2): Likewise.
12676         (armv7): Make vfpv3-d16 an alias.
12677         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
12678         canonical order.
12679         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
12680         Sort in canonical order.
12681         (armv8-a): Sort in canonical order.
12682         (armv8.1-a, armv8.2-a):  Likewise.
12683         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
12684         canonical order.
12685         (cortex-a9): Sort in canonical order.
12686         * config/arm/arm.c (selftests.h): Include it.
12687         (arm_test_cpu_arch_data): New function.
12688         (arm_run_self_tests): New function.
12689         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
12690         (targetm): Move declaration to the end of the file.
12691         * arm-cpu-cdata.h: Regenerated.
12692
12693 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12694
12695         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
12696         call to target_mode_check describing the type of option passed.
12697         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
12698         (arm_target_thumb_only): Use arm_parse_arch_option_name or
12699         arm_parse_cpu_option_name to match parameters against list of
12700         available targets.
12701         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
12702         arm_arch_core_flags data structure.
12703         * config/arm/arm-cpu_cdata.h: Regenerated.
12704
12705 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12706
12707         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
12708         config/arm/arm.c.
12709         (arm_print_hint_for_cpu_option): Likewise.
12710         (arm_print_hint_for_arch_option): Likewise.
12711         (arm_parse_cpu_option_name): Likewise.
12712         (arm_parse_arch_option_name): Likewise.
12713         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
12714         of entries in the all_fpus list.
12715         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
12716         (arm_parse_cpu_option_name): Declare.
12717         (arm_parse_arch_option_name): Declare.
12718         (arm_parse_option_features): Declare.
12719         (arm_intialize_isa): Declare.
12720         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
12721         data tables to ...
12722         (gen_comm_data): ... here.  Make definitions non-static.
12723         * config/arm/arm-cpu-data.h: Regenerated.
12724         * config/arm/arm-cpu-cdata.h: Regenerated.
12725
12726 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12727
12728         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
12729         (cpu_arch_extension): New structure.
12730         (cpu_arch_option, arch_option, cpu_option): New structures.
12731         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
12732         architecture types.
12733         (gen_data): Generate new format data tables.
12734         * config/arm/arm.c (cpu_tune): New structure.
12735         (cpu_option, processors): Delete.
12736         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
12737         (arm_print_hint_for_cpu_option): ... this and ...
12738         (arm_print_hint_for_arch_option): ... this.
12739         (arm_parse_arch_cpu_name): Delete.  Replace with ...
12740         (arm_parse_cpu_option_name): ... this and ...
12741         (arm_parse_arch_option_name): ... this.
12742         (arm_unrecognized_feature): Change type of target parameter to
12743         cpu_arch_option.
12744         (arm_parse_arch_cpu_features): Delete.  Replace with ...
12745         (arm_parse_option_features): ... this.
12746         (arm_configure_build_target): Rework to use new configuration data
12747         tables.
12748         (arm_print_tune_info): Rework for new configuration data tables.
12749         * config/arm/arm-cpu-data.h: Regenerated.
12750         * config/arm/arm-cpu.h: Regenerated.
12751
12752 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12753
12754         * Makefile.in (OBJS): Move sbitmap.o from here ...
12755         (OBJS-libcommon): ... to here.
12756
12757 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12758
12759         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
12760         (ISA_ALL_CRYPTO): New macro.
12761         (ISA_ALL_SIMD): New macro
12762         (ISA_ALL_FP): New macro.
12763         * config/arm/arm.c (fpu_bitlist): Update initializer.
12764         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
12765         simd or fp.
12766         (arm9e): Add fpu.  Add option for nofp
12767         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
12768         (arm926ej-s, arm1026ej-s): Likewise.
12769         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
12770         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
12771         neon-fp16, neon-vfpv4, nofp and nosimd.
12772         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
12773         (cortex-a8): Add fpu.  Add option for nofp.
12774         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
12775         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
12776         (cortex-r4f): Add fpu.
12777         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
12778         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
12779         for nofp.
12780         (cortex-r8): Likewise.
12781         (cortex-m4): Add fpu.  Add option for nofp.
12782         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
12783         (cortex-a17.cortex-a7): Likewise.
12784         (cortex-a32): Add fpu.  Add options for crypto and nofp.
12785         (cortex-a35, cortex-a53): Likewise.
12786         (cortex-a57): Add fpu.  Add option for crypto.
12787         (cortex-a72, cortex-a73): Likewise.
12788         (exynos-m1): Likewise.
12789         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
12790         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
12791         (cortex-m33): Add fpu.  Add option for nofp.
12792         * config/arm/arm-cpu-cdata.h: Regenerated
12793         * config/arm/arm-cpu-data.h: Regenerated.
12794
12795 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12796
12797         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
12798         (armv5te, armv5tej): Likewise.
12799         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
12800         (armv7): Add options fp and vfpv3-d16.
12801         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
12802         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
12803         nofp and nosimd.
12804         (armv7ve): Likewise.
12805         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
12806         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
12807         (armv8-a): Add nocrypto option.
12808         (armv8.1-a, armv8.2-a): Likewise.
12809         (armv8-m.main): add options fp, fp.dp and nofp.
12810
12811 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12812
12813         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
12814         nofp.
12815         (armv8-a+crc): Delete.
12816         (armv8.1-a): Add options simd, crypto and nofp.
12817         (armv8.2-a): Add options fp16, simd, crypto and nofp.
12818         (armv8.2-a+fp16): Delete.
12819         (armv8-m.main): Add option dsp.
12820         (armv8-m.main+dsp): Delete.
12821         (cortex-a8): Add fpu.  Add nofp option.
12822         (cortex-a9): Add fpu.  Add nofp and nosimd options.
12823         * config/arm/parsecpu.awk (gen_data): Generate option tables and
12824         link to main cpu and architecture data structures.
12825         (gen_comm_data): Only put isa attributes from the main architecture
12826         in common tables.
12827         (option): New statement for architecture and CPU entries.
12828         * arm.c (struct cpu_option): New structure.
12829         (struct processors): Add entry for options.
12830         (arm_unrecognized_feature): New function.
12831         (arm_parse_arch_cpu_name): Ignore any characters after the first
12832         '+' character.
12833         (arm_parse_arch_cpu_feature): New function.
12834         (arm_configure_build_target): Separate out any CPU and architecture
12835         features and parse separately.  Don't error out if -mfpu=auto is
12836         used with only an architecture string.
12837         (arm_print_asm_arch_directives): New function.
12838         (arm_file_start): Call it.
12839         * config/arm/arm-cpu-cdata.h: Regenerated.
12840         * config/arm/arm-cpu-data.h: Likewise.
12841         * config/arm/arm-tables.opt: Likewise.
12842
12843 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12844
12845         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
12846         assembler when it is not -mfpu=auto.
12847
12848 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12849
12850         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
12851         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
12852         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
12853         (ASM_CPU_SPEC): Rewrite.
12854         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
12855         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
12856         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
12857         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
12858         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
12859         copied string is NUL-terminated.  Also strip any characters prefixed
12860         by '+'.
12861         (arm_rewrite_selected_arch): New function.
12862         (arm_rewrite_march): New function.
12863
12864 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12865
12866         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
12867         (x_arm_cpu_string, x_arm_tune_string): Likewise.
12868         (march, mcpu, mtune): Convert to string-based options.
12869         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
12870         (arm_parse_arch_cpu_name): New function.
12871         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
12872         identify selected architecture or CPU.
12873         (arm_option_save): New function.
12874         (TARGET_OPTION_SAVE): Redefine.
12875         (arm_option_restore): Restore string options.
12876         (arm_option_print): Print string options.
12877
12878 2017-06-16  Martin Sebor  <msebor@redhat.com>
12879
12880         PR tree-optimization/80933
12881         PR tree-optimization/80934
12882         * builtins.c (fold_builtin_3): Do not handle bcmp here.
12883         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
12884         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
12885         (gimple_fold_builtin): Call them.
12886
12887 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12888
12889         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
12890         as unlikely; update profile.
12891
12892 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12893
12894         * predict.c (force_edge_cold): Handle declaring edges impossible
12895         more aggresively.
12896
12897 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12898
12899         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
12900         profile.
12901         (try_unroll_loop_completely): Fix reporting.
12902
12903 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12904
12905         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
12906
12907 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
12908
12909         PR target/71778
12910         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
12911         if given a non-constant argument for an intrinsic which requires a
12912         constant.
12913
12914 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12915
12916         * profile.c (compare_freqs): New function.
12917         (branch_prob): Sort edge list.
12918         (find_spanning_tree): Assume that the list is priority sorted.
12919
12920 2017-06-16  Richard Biener  <rguenther@suse.de>
12921
12922         PR tree-optimization/81090
12923         * passes.def (pass_record_bounds): Remove.
12924         * tree-pass.h (make_pass_record_bounds): Likewise.
12925         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
12926         make_pass_record_bounds): Likewise.
12927         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
12928         not free niter estimates at the beginning but at the end.
12929         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
12930
12931 2017-06-16  Richard Biener  <rguenther@suse.de>
12932
12933         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
12934         initializer to workaround ICE in host GCC 4.8.
12935
12936 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12937
12938         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
12939         counts.
12940         (clone_inlined_nodes): Update.
12941
12942 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12943
12944         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
12945         prefetch settings, and enable prefetching by default at -O3.
12946
12947 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12948
12949         * config/aarch64/aarch64.c (aarch64_override_options_internal):
12950         Set flag_prefetch_loop_arrays according to tuning data.
12951
12952 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12953
12954         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
12955         New tune structure.
12956         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
12957         [Unrelated to main purpose of the patch] Place the pointer field last
12958         to enable type checking errors when tune structure are wrongly merged.
12959         * config/aarch64/aarch64.c (generic_prefetch_tune,)
12960         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
12961         (thunderx2t99_prefetch_tune): New tune constants.
12962         (tune_params *_tunings): Update all tunings (no functional change).
12963         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
12964         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
12965         from tunings structures.
12966
12967 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
12968
12969         PR sanitizer/81094
12970         * ubsan.c (instrument_null): Add T argument, use it instead
12971         of computing it based on IS_LHS.
12972         (instrument_object_size): Likewise.
12973         (pass_ubsan::execute): Adjust instrument_null and
12974         instrument_object_size callers to pass gimple_get_lhs or
12975         gimple_assign_rhs1 result to it.  Use instrument_null instead of
12976         calling get_base_address and instrument_mem_ref.  Handle
12977         aggregate call arguments for object-size sanitization.
12978
12979 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
12980
12981         PR tree-optimization/81089
12982         * tree-vrp.c (is_masked_range_test): Validate operands of
12983         subexpression.
12984
12985 2017-06-15  Martin Sebor  <msebor@redhat.com>
12986
12987         PR c++/80560
12988         * dumpfile.c (dump_register): Avoid calling memset to initialize
12989         a class with a default ctor.
12990         * gcc.c (struct compiler): Remove const qualification.
12991         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
12992         * hash-table.h: Ditto.
12993         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
12994           assignment.
12995         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
12996         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
12997         default ctor.
12998         * params.h (struct param_info): Make struct members non-const.
12999         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
13000         with default initialization.
13001         * vec.h (vec_copy_construct, vec_default_construct): New helper
13002         functions.
13003         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
13004         with vec_copy_construct.
13005         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
13006         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
13007         * doc/invoke.texi (-Wclass-memaccess): Document.
13008
13009 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13010
13011         * emit-rtl.h (is_leaf): Update comment about local
13012         register allocator.
13013
13014 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
13015
13016         PR target/78818
13017         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
13018         for a variable to have a section before checking if the section has a
13019         name.
13020         Set section to.persistent if persistent attribute is set.
13021         Warn if .persistent attribute is used on an automatic variable.
13022
13023 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
13024
13025         PR rtl-optimization/80474
13026         * reorg.c (update_block): Do not ignore instructions in a delay slot.
13027
13028 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
13029
13030         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
13031         of REGNO.
13032
13033 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
13034
13035         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
13036         (casesi): Emit bounds checking as RTL.
13037         (casesi_internal_mips16_<mode>): Remove bounds checking.
13038
13039 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
13040
13041         * config/xtensa/xtensa.c (xtensa_option_override): Append
13042         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
13043         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
13044          xtensa_doloop_hooks): Define unconditionally.
13045         (xtensa_reorg_loops): Only call reorg_loops in the presence of
13046         TARGET_LOOPS.
13047         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
13048         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
13049         for it in xtensa_option_override.
13050         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
13051          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
13052
13053 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
13054
13055         * doc/cppopts.texi: Document '-' special value to -MF.
13056
13057 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
13058
13059         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
13060         (cortex_a53_fconst): Likewise.
13061         (cortex_a53_fpmul): Likewise.
13062         (cortex_a53_f_load_64): Likewise.
13063         (cortex_a53_f_load_many): Likewise.
13064         (cortex_a53_advsimd_alu): Likewise.
13065         (cortex_a53_advsimd_alu_q): Likewise.
13066         (cortex_a53_advsimd_mul): Likewise.
13067         (cortex_a53_advsimd_mul_q): Likewise.
13068         (fpmac bypass): Add new bypass for fpmac-fpmac case.
13069         Add missing fmul, r2f_cvt and fconst cases.
13070
13071 2017-06-14  Richard Biener  <rguenther@suse.de>
13072
13073         PR middle-end/81088
13074         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
13075         literal constants.
13076         (fold_binary_loc): When associating do not treat pre-existing
13077         TREE_OVERFLOW on literal constants as a reason to allow
13078         TREE_OVERFLOW on associated literal constants.
13079
13080 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
13081
13082         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
13083         (MASK_FEATURES): New macro.
13084         * config/sparc/sparc.c (sparc_option_override): Remove the special
13085         handling of -mfpu and generalize it to all MASK_FEATURES switches.
13086
13087 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
13088
13089         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
13090         a division of 0 if non-call exceptions are enabled.
13091
13092 2017-06-14  Andrew Pinski  <apinski@cavium.com>
13093             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
13094
13095         PR target/71663
13096         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
13097         Improve vector initialization code gen for only variable case.
13098
13099 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
13100
13101         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
13102
13103 2017-06-14  Richard Biener  <rguenther@suse.de>
13104
13105         PR tree-optimization/81083
13106         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
13107         as values.
13108
13109 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13110
13111         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
13112         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
13113         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
13114         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
13115         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
13116         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
13117
13118 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13119
13120         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
13121         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
13122
13123 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13124
13125         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
13126
13127 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13128
13129         * config/rs6000/t-rtems: Don't handle SPE.
13130
13131 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13132
13133         * config/rs6000/t-linux: Don't handle SPE.
13134
13135 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13136
13137         * config/rs6000/eabispe.h: Delete file.
13138
13139 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13140
13141         * config/rs6000/t-spe: Delete file.
13142
13143 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13144
13145         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
13146         (rs6000_legitimate_offset_address_p): Return false for anything in
13147         V2SImode or V2SFmode.
13148
13149 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
13150
13151         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
13152         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
13153         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
13154         and V4HImode.
13155         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
13156         (rs6000_legitimate_offset_address_p): Ditto.
13157         (rs6000_emit_move): Ditto.
13158         (rs6000_init_builtins): Remove V4HI_type_node.
13159
13160 2017-06-13  Martin Liska  <mliska@suse.cz>
13161
13162         PR sanitize/78204
13163         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
13164         (gate_asan): Likewise.
13165         * asan.h (asan_no_sanitize_address_p): Remove the function.
13166         (sanitize_flags_p): New function.
13167         * builtins.def: Fix coding style.
13168         * common.opt: Use renamed enum value.
13169         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
13170         * doc/extend.texi: Document no_sanitize attribute.
13171         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
13172         to SANITIZE_UNDEFINED_NONDEFAULT.
13173         * gcc.c (sanitize_spec_function): Use the renamed enum value.
13174         * gimple-fold.c (optimize_atomic_compare_exchange_p):
13175         Use sanitize_flags_p.
13176         * gimplify.c (gimplify_function_tree): Likewise.
13177         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
13178         * opts.c (parse_no_sanitize_attribute): New function.
13179         (common_handle_option): Use renamed enum value.
13180         * opts.h (parse_no_sanitize_attribute): Declare.
13181         * tree.c (sanitize_flags_p): New function.
13182         * tree.h: Declared here.
13183         * tsan.c: Use sanitize_flags_p.
13184         * ubsan.c (ubsan_expand_null_ifn): Likewise.
13185         (instrument_mem_ref): Likewise.
13186         (instrument_bool_enum_load): Likewise.
13187         (do_ubsan_in_current_function): Remove the function.
13188         (pass_ubsan::execute): Use sanitize_flags_p.
13189         * ubsan.h: Remove do_ubsan_in_current_function
13190         * tree-cfg.c (print_no_sanitize_attr_value): New function.
13191         (dump_function_to_file): Use it here.
13192
13193 2017-06-13  Martin Jambor  <mjambor@suse.cz>
13194
13195         PR tree-optimization/80803
13196         PR tree-optimization/81063
13197         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
13198         (propagate_subaccesses_across_link): Enqueue subtree whenever
13199         necessary instead of relying on the caller.
13200
13201 2017-06-13  Martin Jambor  <mjambor@suse.cz>
13202
13203         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
13204         that have a first_link.
13205         (sort_and_splice_var_accesses): Do not check first_link before
13206         enquing.
13207         (subtree_mark_written_and_enqueue): Likewise.
13208         (propagate_all_subaccesses): Likewise and do not stop at first
13209         parent with a first_link.
13210
13211 2017-06-13  Martin Jambor  <mjambor@suse.cz>
13212
13213         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
13214         instead of f.
13215
13216 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
13217
13218         * match.pd: New pattern.
13219
13220 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
13221
13222         * tree-vrp.c (is_masked_range_test): New function.
13223         (register_edge_assert_for): Determine ranges for
13224         some bit tests.
13225
13226 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
13227
13228         PR tree-optimization/67328
13229         * fold-const.c (maskable_range_p): New function.
13230         (build_range_check): Generate bittests if possible.
13231
13232 2017-06-13  Martin Liska  <mliska@suse.cz>
13233
13234         * gimple-pretty-print.c (dump_probability): Add new argument.
13235         (dump_edge_probability): Dump both probability and count.
13236         (dump_gimple_label): Likewise.
13237         (dump_gimple_bb_header): Likewise.
13238
13239 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
13240
13241         PR target/81072
13242         * config/avr/avr-devices.c: Fix indentation.
13243         * config/avr/gen-avr-mmcu-specs.c: Dito.
13244
13245 2017-06-13  Richard Biener  <rguenther@suse.de>
13246
13247         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
13248         instead get vector type from stmt_info.
13249         (vectorizable_reduction): Adjust.  Remove dead code.
13250
13251 2017-06-13  Richard Biener  <rguenther@suse.de>
13252
13253         PR middle-end/81065
13254         * fold-const.c (extract_muldiv_1): Remove bogus distribution
13255         case of C * (x * C2 + C3).
13256         (fold_addr_of_array_ref_difference): Properly fold index difference.
13257
13258 2017-06-12  David S. Miller  <davem@davemloft.net>
13259
13260         PR target/80968
13261         * config/sparc/sparc.md (return expander): Emit frame blockage if
13262         function uses alloca.
13263
13264 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
13265
13266         * combine.c (make_field_assignment): Check len rather than the mode
13267         precision when calling force_to_mode.
13268
13269 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
13270
13271         Support multilibs and devices that see flash in RAM address range.
13272
13273         PR target/81072
13274         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
13275         (avr_mcu_t) <flash_pm_offset>: New field.
13276         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
13277         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
13278         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
13279         (AVR_TINY_PM_OFFSET): Remove macro.
13280         * config/avr/avr.opt (-mshort-calls): New option.
13281         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
13282         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
13283         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
13284         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
13285         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
13286         instead of avr_arch->have_jmp_call.
13287         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
13288         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
13289         avr_arch->flash_pm_offset to define.
13290         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
13291         new field flash_pm_offset.  Add entry for avrxmega3.
13292         (avr_texinfo): Add entry for avrxmega3.
13293         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
13294         attiny212, attiny214,
13295         attiny412, attiny414, attiny416, attiny417,
13296         attiny814, attiny816, attiny817,
13297         attiny1614, attiny1616, attiny1617,
13298         attiny3214, attiny3216, attiny3217.
13299         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
13300         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
13301         (avr_print_operand_address) [AVR_TINY]: Same.
13302         (avr_asm_init_sections) <readonly_data_section>: Only patch
13303         callback if avr_arch->flash_pm_offset = 0.
13304         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
13305         for rodata if avr_arch->flash_pm_offset != 0.
13306         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
13307         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
13308         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
13309         (m_options): Append opt_rcall.
13310         (m_dirnames): Append dir_rcall.
13311         * config/avr/t-multilib: Regenerate.
13312
13313         * configure.ac [target=avr]: Check whether avrxmega3 default
13314         linker description file works as needed.
13315         * configure: Regenerate.
13316         * doc/avr-mmcu.texi: Regenerate.
13317         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
13318         <__AVR_ARCH__>: Document avrxmega3 and 103.
13319         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
13320         <__AVR_SHORT_CALLS__>: Document it.
13321         <__AVR_PM_BASE_ADDRESS__>: Document it.
13322         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
13323         (AVR Variable Attributes) <progmem>: Document this is
13324         not needed for avrxmega3.
13325         (AVR Named Address Spaces) <__flash>: Dito.
13326
13327 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
13328
13329         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
13330
13331 2017-06-12  Doug Rupp  <rupp@adacore.com>
13332
13333         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
13334         Append vxworks-stdint.h to the tm_file list.
13335         * config/vxworks-stdint.h: New file.
13336
13337 2017-06-12  Martin Liska  <mliska@suse.cz>
13338
13339         PR tree-optimization/81041
13340         * tree-profile.c (gimple_gen_ic_func_profiler):
13341         Create an extra BB in profile-generate
13342         (gimple_gen_time_profiler): Likewise.
13343
13344 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
13345
13346         PR tree-optimization/81003
13347         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
13348         (update_range_test): Use it instead of force_gimple_operand_gsi.
13349
13350 2017-06-12  Richard Biener  <rguenther@suse.de>
13351
13352         PR tree-optimization/81053
13353         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
13354         with backedge value not defined in loop.  Simplify def stmt
13355         compute.
13356
13357 2017-06-11  Tom de Vries  <tom@codesourcery.com>
13358
13359         PR target/79939
13360         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
13361         Return true.
13362         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
13363         nvptx_cannot_force_const_mem.
13364
13365 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13366
13367         * opts.c (finish_options): Move test for flag_split_stack after
13368         it has been initialized.
13369
13370 2017-06-11  Jason Merrill  <jason@redhat.com>
13371
13372         * tree.h (id_equal): New.
13373         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
13374         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
13375         instead of strcmp of IDENTIFIER_POINTER.
13376
13377 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13378
13379         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
13380         (mark_all_inlined_calls_cdtor): Fix formating.
13381         (inline_transform): Rescale profile before inlining.
13382
13383 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13384
13385         * cgraph.h (cgraph_edge::clone): Update prototype.
13386         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
13387         (cgraph_node::create_clone): Update.
13388         (cgraph_node::create_version_clone): Update.
13389         * tree-inline.c (copy_bb): Update.
13390         (expand_call_inline): Update.
13391
13392 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
13393
13394         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
13395         factored out from ...
13396         (rs6000_emit_prologue): ... here.
13397
13398 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
13399
13400         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
13401         factored out from ...
13402         (rs6000_emit_prologue): ... here.
13403
13404 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13405
13406         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
13407         edge counts.
13408         (handle_missing_profiles): Fix computation of tp_first_run.
13409         (counts_to_freqs): Do not touch freqs when count is 0.
13410
13411 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
13412
13413         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
13414         profile.
13415
13416 2017-06-10  Tom de Vries  <tom@codesourcery.com>
13417
13418         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
13419         attributes): Document signal effective target.
13420
13421 2017-06-10  Tom de Vries  <tom@codesourcery.com>
13422
13423         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
13424         Document effective target stack_size.
13425
13426 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
13427
13428         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
13429         to the edit_context if they can be auto-applied.
13430
13431 2017-06-9  Ian Lance Taylor  <iant@golang.org>
13432
13433         * opts.c (finish_options): If -fsplit-stack, disable implicit
13434         -forder-blocks-and-partition.
13435         * doc/invoke.texi (Optimize Options): Document that when using
13436         -fsplit-stack -forder-blocks-and-partition is not implicitly
13437         enabled.
13438
13439 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13440
13441         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
13442         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
13443         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
13444         * builtins.def (abort, trap, unreachable): Declare cold.
13445         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
13446         * tree-core.h (ECF_COLD): New.
13447         * tree.c (set_call_expr_flags): Handle ECF_COLD.
13448         (build_common_builtin_nodes): Mark unreachable and abort as cold.
13449
13450 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13451
13452         * predict.c (unlikely_executed_stmt_p): Cleanup.
13453
13454 2017-06-09  Richard Biener  <rguenther@suse.de>
13455
13456         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
13457         model if the ref is always written to.
13458
13459 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
13460
13461         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
13462
13463 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
13464
13465         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
13466         than udiv.
13467
13468 2017-06-09  Tom de Vries  <tom@codesourcery.com>
13469
13470         PR target/80855
13471         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
13472         "target cannot support label values" when encountering LABEL_REF.
13473
13474 2017-06-09  Martin Liska  <mliska@suse.cz>
13475
13476         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
13477         (gimple_gen_ic_func_profiler): Emit direct comparison
13478         of __gcov_indirect_call_callee with NULL.
13479         (gimple_gen_time_profiler): Change probability from
13480         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
13481
13482 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13483
13484         * profile.c (edge_gcov_counts): Turn to pointer.
13485         (compute_branch_probabilities, compute_branch_probabilities): Update.
13486         (branch_prob): Do not clear edge_gcov_count.
13487         * profile.h (edge_gcov_counts): Turn to pointer.
13488         (edge_gcov_count): Update.
13489
13490 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
13491
13492         * gimple.h (gimple_check_failed): Mark cold.
13493
13494 2017-06-09  Richard Biener  <rguenther@suse.de>
13495
13496         PR tree-optimization/66623
13497         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
13498         refactor check_reduction into two parts, properly computing
13499         whether we have to check reduction validity for outer loop
13500         vectorization.
13501
13502 2017-06-09  Richard Biener  <rguenther@suse.de>
13503
13504         PR tree-optimization/79483
13505         * graphite-scop-detection.c (order): New global.
13506         (get_order): Compute bb to order mapping that satisfies code
13507         generation constraints.
13508         (cmp_pbbs): New helper.
13509         (build_scops): Start domwalk at entry block, sort generated
13510         pbbs.
13511
13512 2017-06-09  Richard Biener  <rguenther@suse.de>
13513
13514         PR middle-end/81007
13515         * ipa-polymorphic-call.c
13516         (ipa_polymorphic_call_context::restrict_to_inner_class):
13517         Skip FIELD_DECLs with error_mark_node type.
13518         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
13519         last again.
13520
13521 2017-06-09  Martin Liska  <mliska@suse.cz>
13522
13523         * predict.c (struct branch_predictor): New struct.
13524         (test_prediction_value_range): New test.
13525         (predict_c_tests): New function.
13526         * selftest-run-tests.c (selftest::run_tests): Run the function.
13527         * selftest.h: Declare new tests.
13528
13529 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
13530
13531         PR target/80966
13532         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
13533         gen_add3_insn did not fail.
13534         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
13535         r0, construct that number in a temporary reg and add that reg to r0.
13536         If asked to put the result in r0 as well, fail.
13537
13538 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
13539
13540         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13541         for early expansion of vec_eqv.
13542
13543 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
13544
13545         PR middle-end/81005
13546         * ubsan.c (instrument_null): Avoid pointless code temporary.
13547         (pass_ubsan::execute): Instrument aggregate arguments of calls.
13548
13549 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
13550
13551         PR target/81015
13552         Revert:
13553         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
13554
13555         PR target/59874
13556         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
13557         (*clzhi2): Ditto.
13558
13559 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13560
13561         * predict.c (unlikely_executed_edge_p): Move ahead.
13562         (probably_never_executed_edge_p): Use it.
13563
13564 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
13565
13566         PR middle-end/79988
13567         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
13568         gimple_call_builtin_p call.
13569
13570 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13571
13572         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
13573         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
13574         rtl_check_failed_type2, rtl_check_failed_code1,
13575         rtl_check_failed_code2, rtl_check_failed_code_mode,
13576         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
13577         rtvec_check_failed_bounds, rtl_check_failed_flag,
13578         _fatal_insn_not_found, _fatal_insn): Likewise.
13579         * tree.h (tree_contains_struct_check_failed,
13580         tree_check_failed, tree_not_check_failed,
13581         tree_class_check_failed, tree_range_check_failed,
13582         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
13583         tree_vec_elt_check_failed, phi_node_elt_check_failed,
13584         tree_operand_check_failed, omp_clause_check_failed,
13585         omp_clause_operand_check_failed, omp_clause_range_check_failed):
13586         Likewise.
13587
13588 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13589
13590         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
13591         flag_branch_probabilities.
13592         * ipa-inline.c (edge_badness): Likewise.
13593         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
13594         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
13595         * predict.c (maybe_hot_frequency_p): Likewise.
13596         (probably_never_executed): Likewise.
13597         * sched-ebb.c (schedule_ebbs): Likewise.
13598         * sched-rgn.c (find_single_block_region): Likewise.
13599         * tracer.c (tail_duplicate): Likewise.
13600
13601 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13602
13603         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
13604         longer requires x_flag_profile_use.
13605
13606 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13607
13608         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
13609         instead of flag_reorder_blocks_and_partition.
13610         * dbxout.c (dbxout_function_end): Likewise.
13611         * dwarf2out.c (gen_subprogram_die): Likewise.
13612         * haifa-sched.c (sched_create_recovery_edges): Likewise.
13613         * hw-doloop.c (reorg_loops): Likewise.
13614         * varasm.c (assemble_start_function,
13615         assemble_end_function): Likewise.
13616         (decide_function_section): Do not check for
13617         flag_reorder_blocks_and_partition.
13618
13619 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
13620
13621         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
13622         New function.
13623         (chkp_get_hard_register_fake_addr_expr): Ditto.
13624         (chkp_build_addr_expr): Add check for hard reg case.
13625         (chkp_parse_array_and_component_ref): Ditto.
13626         (chkp_find_bounds_1): Ditto.
13627         (chkp_process_stmt): Don't generate bounds store for
13628         hard reg case.
13629
13630 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13631
13632         * predict.c (maybe_hot_bb_p): Do not check profile status.
13633         (maybe_hot_edge_p): Likewise.
13634         (probably_never_executed): Check for zero counts even if profile
13635         is not read.
13636         (unlikely_executed_edge_p): New function.
13637         (unlikely_executed_stmt_p): New function.
13638         (unlikely_executed_bb_p): New function.
13639         (set_even_probabilities): Use unlikely predicates.
13640         (combine_predictions_for_bb): Likewise.
13641         (predict_paths_for_bb): Likewise.
13642         (predict_paths_leading_to_edge): Likewise.
13643         (determine_unlikely_bbs): New function.
13644         (estimate_bb_frequencies): Use it.
13645         (compute_function_frequency): Use zero counts even if profile is
13646         not read.
13647         * profile-count.h: Fix typo.
13648
13649 2017-08-08  Julia Koval  <julia.koval@intel.com>
13650
13651         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
13652         _mm512_mask_cvtsepi16_storeu_epi8,
13653         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
13654         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
13655         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
13656         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
13657         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
13658         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
13659         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
13660         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
13661         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
13662         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
13663         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
13664         __builtin_ia32_pmovuswb256mem_mask,
13665         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
13666         __builtin_ia32_pmovwb512mem_mask): New builtins.
13667
13668 2017-08-08  Julia Koval  <julia.koval@intel.com>
13669
13670         PR target/73350,80862
13671         * config/i386/subst.md (round): Fix round pattern.
13672         * config/i386/i386.c (ix86_erase_embedded_rounding):
13673         Fix erasing rounding for the fixed pattern.
13674
13675 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13676
13677         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
13678
13679 2017-06-08  Martin Liska  <mliska@suse.cz>
13680
13681         PR gcov-profile/80911
13682         * gcov.c (block_info::block_info): New constructor.
13683
13684 2017-06-07  Carl Love  <cel@us.ibm.com>
13685
13686         * config/rs6000/rs6000-c: The return type of the following
13687         built-in functions was implemented as int not long long.  Fix sign
13688         of return value for the unsigned version of vec_mulo and vec_mule.
13689         vector unsigned long long vec_bperm (vector unsigned long long,
13690                                              vector unsigned char)
13691         vector signed long long vec_mule (vector signed int,
13692                                           vector signed int)
13693         vector unsigned long long vec_mule (vector unsigned int,
13694                                             vector unsigned int)
13695         vector signed long long vec_mulo (vector signed int,
13696                                           vector signed int)
13697         vector unsigned long long vec_mulo (vector unsigned int,
13698                                             vector unsigned int)
13699         * doc/extend.texi: Fix the documentation for the built-in
13700         functions.
13701
13702 2017-06-07  Carl Love  <cel@us.ibm.com>
13703
13704         PR target/80982
13705         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
13706         for BE.
13707
13708 2017-06-07  Carl Love  <cel@us.ibm.com>
13709
13710         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
13711         support, Generate       doublehv for signed int/float for BE case only.
13712
13713 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
13714
13715         * doc/invoke.texi (mcx16): Rewrite.
13716
13717 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13718
13719         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
13720         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
13721         *mov<mode>_softfloat, and an anonymous splitter): Use
13722         nonimmediate_operand instead of rs6000_nonimmediate_operand.
13723
13724 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13725
13726         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
13727         SPEFSCR registers.
13728         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
13729         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
13730         (rs6000_debug_reg_global): Adjust.
13731         (rs6000_init_hard_regno_mode_ok): Adjust.
13732         (rs6000_dbx_register_number): Adjust.
13733         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
13734         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
13735         Remove SPE_ACC and SPEFSCR.
13736         (REG_ALLOC_ORDER): Ditto.
13737         (FRAME_POINTER_REGNUM): Change to 111.
13738         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
13739         (REG_CLASS_NAMES): Ditto.
13740         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
13741         (REGISTER_NAMES): Ditto.
13742         (ADDITIONAL_REG_NAMES): Ditto.
13743         (rs6000_reg_names): Ditto.
13744         * config/rs6000/rs6000.md: Renumber some register number
13745         define_constants.
13746
13747 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13748
13749         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
13750         registers.
13751         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
13752         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
13753         to 117.
13754         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
13755         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
13756         Delete the SPE high registers.
13757         (REG_ALLOC_ORDER): Ditto.
13758         (enum reg_class): Remove SPE_HIGH_REGS.
13759         (REG_CLASS_NAMES): Ditto.
13760         (REG_CLASS_CONTENTS): Delete the SPE high registers.
13761         (REGISTER_NAMES): Ditto.
13762         (rs6000_reg_names): Ditto.
13763         * doc/tm.texi.in: Remove SPE as example.
13764         * doc/tm.texi: Regenerate.
13765
13766 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13767
13768         * config/rs6000/8540.md (ppc8540_brinc): Delete.
13769         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
13770         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
13771         * config/rs6000/rs6000.md (type): Remove "brinc".
13772
13773 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13774
13775         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
13776         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
13777         * config/rs6000/linuxspe.h: Delete file.
13778         * config/rs6000/rs6000.md: Don't include spe.md.
13779         * config/rs6000/spe.h: Delete file.
13780         * config/rs6000/spe.md: Delete file.
13781         * config/rs6000/t-rs6000: Remove spe.md.
13782
13783 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13784
13785         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
13786         (reg_or_none500mem_operand): Delete.
13787         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
13788         instead of reg_or_none500mem_operand.
13789
13790 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13791
13792         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
13793         handling of SPE flags.
13794         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
13795
13796 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13797
13798         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
13799         SPE ABI handling.
13800         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
13801         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
13802         paired_divv2sf3): Similar.
13803         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
13804         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
13805         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
13806         RS6000_BUILTIN_S.
13807         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
13808         Rename the paired_* instruction patterns.
13809         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
13810         define __SPE__.
13811         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
13812         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
13813         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
13814         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
13815         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
13816         PAIRED_VECTOR_MODE.
13817         (struct machine_function): Delete field spe_insn_chain_scanned_p.
13818         (spe_func_has_64bit_regs_p): Delete.
13819         (spe_expand_predicate_builtin): Delete.
13820         (spe_expand_evsel_builtin): Delete.
13821         (TARGET_DWARF_REGISTER_SPAN): Do not define.
13822         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
13823         (invalid_e500_subreg): Delete.
13824         (rs6000_legitimize_address): Always force_reg op2 as well, for
13825         paired single memory accesses.
13826         (rs6000_member_type_forces_blk): Delete.
13827         (rs6000_spe_function_arg): Delete.
13828         (rs6000_expand_unop_builtin): Delete SPE handling.
13829         (rs6000_expand_binop_builtin): Ditto.
13830         (spe_expand_stv_builtin): Delete.
13831         (bdesc_2arg_spe): Delete.
13832         (spe_expand_builtin): Delete.
13833         (spe_expand_predicate_builtin): Delete.
13834         (spe_expand_evsel_builtin): Delete.
13835         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
13836         (spe_init_builtins): Delete.
13837         (spe_func_has_64bit_regs_p): Delete.
13838         (savres_routine_name): Delete "info" parameter.  Adjust callers.
13839         (rs6000_emit_stack_reset): Ditto.
13840         (rs6000_dwarf_register_span): Delete.
13841         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
13842         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
13843         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
13844         Delete.
13845         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
13846         Delete.
13847         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
13848         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
13849         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
13850         mulv2sf3, divv2sf3): Delete expanders.
13851
13852 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13853
13854         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
13855
13856 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13857
13858         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
13859         * config/rs6000/rs6000.c: Ditto.
13860
13861 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13862
13863         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
13864         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
13865         comparison_operator.
13866
13867 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13868
13869         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
13870         * config/rs6000/rs6000.opt: Ditto.
13871         * config/rs6000/t-rtems: Ditto.
13872
13873 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13874
13875         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
13876         TARGET_E500_SINGLE by 0, simplify.
13877         * config/rs6000/rs6000.c: Ditto.
13878         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
13879         (spe_build_register_parallel): Delete.
13880         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
13881         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
13882         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
13883         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
13884         (E500_CONVERT): Delete.
13885         * config/rs6000/spe.md: Remove many patterns and all define_constants.
13886
13887 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13888
13889         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
13890         * config/rs6000/dfp.md: Ditto.
13891         (negdd2, *negdd2_fpr): Merge.
13892         (absdd2, *absdd2_fpr): Merge.
13893         (negtd2, *negtd2_fpr): Merge.
13894         (abstd2, *abstd2_fpr): Merge.
13895         * config/rs6000/e500.h: Delete file.
13896         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
13897         TARGET_FPRS by 1 and simplify.
13898         * config/rs6000/rs6000-c.c: Ditto.
13899         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
13900         TARGET_DF_SPE by 0.
13901         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
13902         TARGET_DF_SPE.
13903         * config/rs6000/rs6000.md: Ditto.
13904         (floatdidf2, *floatdidf2_fpr): Merge.
13905         (move_from_CR_gt_bit): Delete.
13906         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
13907         (E500_CR_IOR_COMPARE): Delete.
13908         (All patterns that require !TARGET_FPRS): Delete.
13909         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
13910
13911 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13912
13913         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
13914
13915 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13916
13917         * graphds.c (add_edge): Intitialize edge's attached data.
13918         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
13919         pointer parameter.  Call pointed function on each edge during
13920         graph traversing.  Skip traversing the edge when the function
13921         returns true.
13922         (graphds_dfs, graphds_scc): Ditto.
13923         (for_each_edge): New parameter.  Pass the new parameter to callback
13924         function.
13925         * graphds.h (skip_edge_callback): New function pointer type.
13926         (graphds_dfs, graphds_scc): New function pointer parameter.
13927         (graphds_edge_callback, for_each_edge): New parameter.
13928
13929 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13930
13931         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
13932         out code checking if runtime alias check is possible to below ...
13933         Call the new function.
13934         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
13935         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
13936
13937 2017-06-07  Marek Polacek  <polacek@redhat.com>
13938
13939         PR sanitizer/80932
13940         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
13941         TYPE_OVERFLOW_WRAPS check.
13942
13943 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13944
13945         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
13946         if versioning is required.
13947         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
13948         peeling with the check for versioning.
13949
13950 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13951
13952         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
13953         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
13954         Set true to new parameter if new ssa variable is defined.
13955         (vect_gen_vector_loop_niters): Refactor.  Set range information
13956         for the new vector loop bound variable.
13957         (vect_do_peeling): Ditto.
13958
13959 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13960
13961         * tree-affine.c (ssa.h): Include header file.
13962         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
13963         has wrapping overflow behavior.
13964
13965 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13966
13967         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
13968
13969 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13970
13971         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
13972         (tree_to_aff_combination): ... here.
13973
13974 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13975
13976         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
13977         reg_pressure model function.
13978         (ivopts_global_cost_for_size): Delete.
13979         (determine_set_costs, iv_ca_recount_cost): Call new model function
13980         ivopts_estimate_reg_pressure.
13981
13982 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13983
13984         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
13985         expensive than udiv.  Remove floating point cases from mod.
13986
13987 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13988
13989         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
13990         Increase idiv cost.
13991
13992 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13993
13994         * config/aarch64/aarch64.md
13995         (copysignsf3): Fix mask generation.
13996
13997 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
13998
13999         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
14000         TDI_gimple.
14001         (class dump_manager): Add register_dumps method.
14002         * dumpfile.c: Include langhooks.h.
14003         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
14004         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
14005         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
14006         (dump_manager::dump_register): Start with 512 entries instead of 32.
14007         (dump_manager::register_dumps): New method.
14008         * toplev.c (general_init): Instead of invoking register_dumps
14009         langhook, invoke register_dumps method on the dump manager.
14010         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
14011         TDI_generic.
14012
14013 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
14014
14015         * doc/md.texi: Clarify the restrictions on a define_insn condition.
14016         Say that # requires an associated define_split to exist, and that
14017         the define_split must be suitable for use after register allocation.
14018
14019 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14020
14021         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
14022         (compute_outgoing_frequencies): Also initialize zero counts.
14023         (find_many_sub_basic_blocks): Do not produce uninitialized profile
14024         around loops; preserve more of profile when nothing changes.
14025
14026 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
14027
14028         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
14029         here.
14030         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
14031         * config/arm/arm-cpu-cdata.h: Regenerate.
14032         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
14033         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
14034         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
14035         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
14036         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
14037         support.
14038         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
14039         support.
14040         * config/arm/t-rmprofile: Likewise.
14041         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
14042
14043 2017-06-06  David S. Miller  <davem@davemloft.net>
14044
14045         PR target/80968
14046         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
14047         blockage if function uses alloca.
14048
14049 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
14050
14051         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
14052         New "uid" fields to hold pretty-print IDs of group and ref.
14053         Memory references are now identified as <group_id>:<ref_id>
14054         instead of using [random] addresses.
14055         (dump_mem_details): Simplify, no functional change.
14056         (dump_mem_ref): Simplify and make output more concise.
14057         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
14058         (find_or_create_group): Initialize group uid.
14059         (record_ref): Initialize ref uid.  Improve debug output.
14060         (prune_group_by_reuse, should_issue_prefetch_p,)
14061         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
14062         (mark_nontemporal_store, determine_loop_nest_reuse):
14063         Improve debug output.
14064
14065 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
14066
14067         * dbgcnt.def (prefetch): New debug counter.
14068         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
14069         (schedule_prefetches): Stop issueing prefetches if debug counter
14070         tripped.
14071
14072 2017-06-06  Tom de Vries  <tom@codesourcery.com>
14073
14074         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
14075         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
14076
14077 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14078
14079         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
14080         Use aarch64_reg_or_zero predicate for operand 4.
14081         (aarch64_compare_and_swap<mode> define_insn_and_split):
14082         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
14083         (aarch64_store_exclusive<mode>): Likewise for operand 2.
14084
14085 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14086
14087         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
14088         (arm_compute_save_core_reg_mask): This.
14089         (thumb1_compute_save_reg_mask): Rename into ...
14090         (thumb1_compute_save_core_reg_mask): This.
14091         (arm_compute_save_reg0_reg12_mask): Adapt comment.
14092         (arm_compute_frame_layout): Likewise.
14093
14094 2017-06-06  Richard Biener  <rguenther@suse.de>
14095
14096         PR tree-optimization/80974
14097         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
14098         keep or clear leaders SSA info.
14099
14100 2017-06-06  Tom de Vries  <tom@codesourcery.com>
14101
14102         * config/nvptx/nvptx.c (split_mode_p): New function.
14103         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
14104
14105 2017-06-06  Tom de Vries  <tom@codesourcery.com>
14106
14107         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
14108
14109 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14110
14111         PR bootstrap/80978
14112         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
14113         profile.
14114
14115 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14116
14117         * shrink-wrap.c (handle_simple_exit): Update profile.
14118         (try_shrink_wrapping): Upate profile.
14119
14120 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14121
14122         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
14123         (tree_guess_outgoing_edge_probabilities): New.
14124         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
14125         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
14126
14127 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14128
14129         * ipa-split.c (split_function): Initialize return bb profile.
14130
14131 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
14132
14133         * profile.c (compute_branch_probabilities): Also initialize
14134         EXIT_BLOCK profile.
14135
14136 2017-06-06  Richard Biener  <rguenther@suse.de>
14137
14138         PR tree-optimization/80928
14139         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
14140         (vect_analyze_loop_operations): Properly guard analysis for
14141         pure SLP case.
14142         (vect_transform_loop): Likewise.
14143         (vect_analyze_loop_2): Also reset SLP type on PHIs.
14144         (vect_model_induction_cost): Do not cost for pure SLP.
14145         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
14146         of induction in inner loop vectorization.
14147         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
14148         (vect_get_and_check_slp_defs): Handle vect_induction_def.
14149         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
14150         recursion.
14151         (vect_analyze_slp_cost_1): Cost induction.
14152         (vect_detect_hybrid_slp_stmts): Handle PHIs.
14153         (vect_get_slp_vect_defs): Likewise.
14154         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
14155         (vect_transform_stmt): Handle SLP reductions.
14156         * tree-vectorizer.h (vectorizable_induction): Adjust.
14157
14158 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
14159
14160         * config/rs6000/rs6000.c (make_resolver_func): Update
14161         init_lowered_empty_function call.
14162
14163 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14164
14165         * doc/invoke.texi: Document the -fprofile-abs-path option.
14166         * common.opt (fprofile-abs-path): New option.
14167         * gcov-io.h (gcov_write_filename): Declare.
14168         * gcov-io.c (gcov_write_filename): New function.
14169         * coverage.c (coverage_begin_function): Use gcov_write_filename.
14170         * profile.c (output_location): Likewise.
14171
14172 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14173
14174         * shring-wrap.c: Revert accidental commit.
14175
14176 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
14177
14178         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
14179
14180 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14181
14182         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
14183         new edge.
14184         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
14185         profile in callgraph edge.
14186         * profile-count.h (apply_probability): If THIS is 0, then result is 0
14187         (apply_scale): Likewise.
14188         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
14189         Also scale profile when inlining function with zero profile.
14190         (initialize_cfun): Update exit block profile even when it is zero.
14191         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
14192         when profile is read.
14193
14194 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
14195
14196         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
14197         (CLONE_*): New constants to define the processors we can generate
14198         code for with the target_clone attribute.
14199         (rs6000_clone_map): New array to identify which clone processors
14200         the current program is running on.
14201         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
14202         target_clone attribute.
14203         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
14204         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
14205         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
14206         (cpu_expand_builtin): Add support for target_clone attribute.
14207         (rs6000_valid_attribute_p): Allow "default" attribute.
14208         (get_decl_name): New debug function to simplify printing the
14209         current function name in debugging statements.
14210         (rs6000_clone_priority): New functions to support the target_clone
14211         attribute, and be able to generate code to switch between ISA 2.05
14212         through ISA 3.0 (power6 through power9).
14213         (rs6000_compare_version_priority): Likewise.
14214         (rs6000_get_function_versions_dispatcher): Likewise.
14215         (make_resolver_func): Likewise.
14216         (add_condition_to_bb): Likewise.
14217         (dispatch_function_versions): Likewise.
14218         (rs6000_generate_version_dispatcher_body): Likewise.
14219         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
14220         (fusion_gpr_load_p): Fix a spacing issue.
14221         * doc/extend.texi (Common Function Attributes): Document that the
14222         PowerPC supports the target_clone attribute.
14223
14224 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14225
14226         * config/arm/arm.h: explain F symbol found in description of ARM
14227         register allocation in its legend.
14228
14229 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14230
14231         * config/mips/frame-header-opt.c: Include profile-count.h.
14232         * config/riscv/riscv.c: Include profile-count.h
14233
14234 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
14235
14236         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
14237         update profile.
14238         (sm_set_flag_if_changed): Add bbs field.
14239         (execute_sm_if_changed_flag_set): Pass BBS.
14240         (execute_sm): Update.
14241
14242 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14243
14244         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
14245         New pattern.
14246
14247 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14248
14249         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
14250         (peephole2): New peephole2 to emit the above.
14251         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
14252
14253 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14254
14255         * config/aarch64/aarch64.c (define_peephole2 above
14256         *sub_<shift>_<mode>): New peephole.
14257
14258 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14259
14260         * config/i386/i386.c (make_resolver_func): Update.
14261         * Makefile.in: Add profile-count.h and profile-count.o
14262         * auto-profile.c (afdo_indirect_call): Update to new API.
14263         (afdo_set_bb_count): Update.
14264         (afdo_propagate_edge): Update.
14265         (afdo_propagate_circuit): Update.
14266         (afdo_calculate_branch_prob): Update.
14267         (afdo_annotate_cfg): Update.
14268         * basic-block.h: Include profile-count.h
14269         (struct edge_def): Turn count to profile_count.
14270         (struct basic_block_def): Likewie.
14271         (REG_BR_PROB_BASE): Move to profile-count.h
14272         (RDIV): Move to profile-count.h
14273         * bb-reorder.c (max_entry_count): Turn to profile_count.
14274         (find_traces): Update.
14275         (rotate_loop):Update.
14276         (connect_traces):Update.
14277         (sanitize_hot_paths):Update.
14278         * bt-load.c (migrate_btr_defs): Update.
14279         * cfg.c (RDIV): Remove.
14280         (init_flow): Use alloc_block.
14281         (alloc_block): Uninitialize count.
14282         (unchecked_make_edge): Uninitialize count.
14283         (check_bb_profile): Update.
14284         (dump_edge_info): Update.
14285         (dump_bb_info): Update.
14286         (update_bb_profile_for_threading): Update.
14287         (scale_bbs_frequencies_int): Update.
14288         (scale_bbs_frequencies_gcov_type): Update.
14289         (scale_bbs_frequencies_profile_count): New.
14290         * cfg.h (update_bb_profile_for_threading): Update.
14291         (scale_bbs_frequencies_profile_count): Declare.
14292         * cfgbuild.c (compute_outgoing_frequencies): Update.
14293         (find_many_sub_basic_blocks): Update.
14294         * cfgcleanup.c (try_forward_edges): Update.
14295         (try_crossjump_to_edge): Update.
14296         * cfgexpand.c (expand_gimple_tailcall): Update.
14297         (construct_exit_block): Update.
14298         * cfghooks.c (verify_flow_info): Update.
14299         (dump_bb_for_graph): Update.
14300         (split_edge): Update.
14301         (make_forwarder_block): Update.
14302         (duplicate_block): Update.
14303         (account_profile_record): Update.
14304         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
14305         (get_estimated_loop_iterations): Update.
14306         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
14307         (single_likely_exit): Update.
14308         * cfgloopmanip.c (scale_loop_profile): Update.
14309         (loopify): Update.
14310         (set_zero_probability): Update.
14311         (lv_adjust_loop_entry_edge): Update.
14312         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
14313         (purge_dead_edges): Update.
14314         (rtl_account_profile_record): Update.
14315         * cgraph.c (cgraph_node::create): Uninitialize count.
14316         (symbol_table::create_edge): Uninitialize count.
14317         (cgraph_update_edges_for_call_stmt_node): Update.
14318         (cgraph_edge::dump_edge_flags): Update.
14319         (cgraph_node::dump): Update.
14320         (cgraph_edge::maybe_hot_p): Update.
14321         * cgraph.h: Include profile-count.h
14322         (create_clone), create_edge, create_indirect_edge): Update.
14323         (cgraph_node): Turn count to profile_count.
14324         (cgraph_edge0: Likewise.
14325         (make_speculative, clone): Update.
14326         (create_edge): Update.
14327         (init_lowered_empty_function): Update.
14328         * cgraphclones.c (cgraph_edge::clone): Update.
14329         (duplicate_thunk_for_node): Update.
14330         (cgraph_node::create_clone): Update.
14331         * cgraphunit.c (cgraph_node::analyze): Update.
14332         (cgraph_node::expand_thunk): Update.
14333         * final.c (dump_basic_block_info): Update.
14334         * gimple-streamer-in.c (input_bb): Update.
14335         * gimple-streamer-out.c (output_bb): Update.
14336         * graphite.c (print_global_statistics): Update.
14337         (print_graphite_scop_statistics): Update.
14338         * hsa-brig.c: Include basic-block.h.
14339         * hsa-dump.c: Include basic-block.h.
14340         * hsa-gen.c (T sum_slice): Update.
14341         (convert_switch_statements):Update.
14342         * hsa-regalloc.c: Include basic-block.h.
14343         * ipa-chkp.c (chkp_produce_thunks): Update.
14344         * ipa-cp.c (struct caller_statistics): Update.
14345         (init_caller_stats): Update.
14346         (gather_caller_stats): Update.
14347         (ipcp_cloning_candidate_p): Update.
14348         (good_cloning_opportunity_p): Update.
14349         (get_info_about_necessary_edges): Update.
14350         (dump_profile_updates): Update.
14351         (update_profiling_info): Update.
14352         (update_specialized_profile): Update.
14353         (perhaps_add_new_callers): Update.
14354         (decide_about_value): Update.
14355         (ipa_cp_c_finalize): Update.
14356         * ipa-devirt.c (struct odr_type_warn_count): Update.
14357         (struct decl_warn_count): Update.
14358         (struct final_warning_record): Update.
14359         (possible_polymorphic_call_targets): Update.
14360         (ipa_devirt): Update.
14361         * ipa-fnsummary.c (redirect_to_unreachable): Update.
14362         * ipa-icf.c (sem_function::merge): Update.
14363         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
14364         * ipa-inline.c (compute_uninlined_call_time): Update.
14365         (compute_inlined_call_time): Update.
14366         (want_inline_small_function_p): Update.
14367         (want_inline_self_recursive_call_p): Update.
14368         (edge_badness): Update.
14369         (lookup_recursive_calls): Update.
14370         (recursive_inlining): Update.
14371         (inline_small_functions): Update.
14372         (dump_overall_stats): Update.
14373         (dump_inline_stats): Update.
14374         * ipa-profile.c (ipa_profile_generate_summary): Update.
14375         (ipa_propagate_frequency): Update.
14376         (ipa_profile): Update.
14377         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14378         * ipa-utils.c (ipa_merge_profiles): Update.
14379         * loop-doloop.c (doloop_modify): Update.
14380         * loop-unroll.c (report_unroll): Update.
14381         (unroll_loop_runtime_iterations): Update.
14382         * lto-cgraph.c (lto_output_edge): Update.
14383         (lto_output_node): Update.
14384         (input_node): Update.
14385         (input_edge): Update.
14386         (merge_profile_summaries): Update.
14387         * lto-streamer-in.c (input_cfg): Update.
14388         * lto-streamer-out.c (output_cfg): Update.
14389         * mcf.c (create_fixup_graph): Update.
14390         (adjust_cfg_counts): Update.
14391         (sum_edge_counts): Update.
14392         * modulo-sched.c (sms_schedule): Update.
14393         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
14394         * predict.c (maybe_hot_count_p): Update.
14395         (probably_never_executed): Update.
14396         (dump_prediction): Update.
14397         (combine_predictions_for_bb): Update.
14398         (propagate_freq): Update.
14399         (handle_missing_profiles): Update.
14400         (counts_to_freqs): Update.
14401         (rebuild_frequencies): Update.
14402         (force_edge_cold): Update.
14403         * predict.h: Include profile-count.h
14404         (maybe_hot_count_p, counts_to_freqs): UPdate.
14405         * print-rtl-function.c: Do not include cfg.h
14406         * print-rtl.c: Include basic-block.h
14407         * profile-count.c: New file.
14408         * profile-count.h: New file.
14409         * profile.c (is_edge_inconsistent): Update.
14410         (correct_negative_edge_counts): Update.
14411         (is_inconsistent): Update.
14412         (set_bb_counts): Update.
14413         (read_profile_edge_counts): Update.
14414         (compute_frequency_overlap): Update.
14415         (compute_branch_probabilities): Update; Initialize and deinitialize
14416         gcov_count tables.
14417         (branch_prob): Update.
14418         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
14419         (edge_gcov_count): New.
14420         (bb_gcov_count): New.
14421         * shrink-wrap.c (try_shrink_wrapping): Update.
14422         * tracer.c (better_p): Update.
14423         * trans-mem.c (expand_transaction): Update.
14424         (ipa_tm_insert_irr_call): Update.
14425         (ipa_tm_insert_gettmclone_call): Update.
14426         * tree-call-cdce.c: Update.
14427         * tree-cfg.c (gimple_duplicate_sese_region): Update.
14428         (gimple_duplicate_sese_tail): Update.
14429         (gimple_account_profile_record): Update.
14430         (execute_fixup_cfg): Update.
14431         * tree-inline.c (copy_bb): Update.
14432         (copy_edges_for_bb): Update.
14433         (initialize_cfun): Update.
14434         (freqs_to_counts): Update.
14435         (copy_cfg_body): Update.
14436         (expand_call_inline): Update.
14437         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
14438         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
14439         (try_unroll_loop_completely): Update.
14440         (try_peel_loop): Update.
14441         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
14442         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
14443         * tree-ssa-loop-split.c (connect_loops): Update.
14444         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
14445         * tree-ssa-reassoc.c (branch_fixup): Update.
14446         * tree-ssa-tail-merge.c (replace_block_by): Update.
14447         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
14448         (compute_path_counts): Update.
14449         (update_profile): Update.
14450         (recompute_probabilities): Update.
14451         (update_joiner_offpath_counts): Update.
14452         (estimated_freqs_path): Update.
14453         (freqs_to_counts_path): Update.
14454         (clear_counts_path): Update.
14455         (ssa_fix_duplicate_block_edges): Update.
14456         (duplicate_thread_path): Update.
14457         * tree-switch-conversion.c (case_bit_test_cmp): Update.
14458         (struct switch_conv_info): Update.
14459         * tree-tailcall.c (decrease_profile): Update.
14460         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
14461         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
14462         * value-prof.c (check_counter): Update.
14463         (gimple_divmod_fixed_value): Update.
14464         (gimple_mod_pow2): Update.
14465         (gimple_mod_subtract): Update.
14466         (gimple_ic_transform): Update.
14467         (gimple_stringop_fixed_value): Update.
14468         * value-prof.h (gimple_ic): Update.
14469
14470 2017-06-02  Carl Love  <cel@us.ibm.com>
14471
14472         * config/rs6000/rs6000-c: Add support for built-in functions
14473         vector double vec_doublee (vector signed int);
14474         vector double vec_doublee (vector unsigned int);
14475         vector double vec_doublee (vector float);
14476         vector double vec_doubleh (vector signed int);
14477         vector double vec_doubleh (vector unsigned int);
14478         vector double vec_doubleh (vector float);
14479         vector double vec_doublel (vector signed int);
14480         vector double vec_doublel (vector unsigned int);
14481         vector double vec_doublel (vector float);
14482         vector double vec_doubleo (vector signed int);
14483         vector double vec_doubleo (vector unsigned int);
14484         vector double vec_doubleo (vector float);.
14485         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
14486         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
14487         UNS_DOUBLEL.
14488         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
14489         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
14490         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
14491         VS_sxwsp.
14492         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
14493         vec_doublel, vec_doubleh.
14494         * doc/extend.texi: Update the built-in documentation file for the
14495         new built-in functions.
14496
14497 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
14498
14499         PR jit/80954
14500         * ipa-inline-analysis.c (free_growth_caches): Set
14501         edge_removal_hook_holder to NULL after removing it.
14502
14503 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
14504
14505         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
14506         comparision with zero.
14507
14508 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
14509         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
14510         for early expansion of vec_min and vec_max builtins.
14511         (builtin_function_type): Add min/max unsigned variants to those
14512         identified as having unsigned arguments.
14513
14514 2017-06-02  Olivier Hainque  <hainque@adacore.com>
14515
14516         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
14517
14518 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14519
14520         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
14521         Use VALL_F16 iterator rather than VALL.
14522
14523 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14524
14525         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
14526         Emit CBNZ inside loop when doing a strong exchange and comparing
14527         against zero.  Generate the CC flags after the loop.
14528
14529 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
14530
14531         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
14532         (dl_section_ref): New.
14533         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
14534         On AIX, append an expression to subtract the size of the
14535         section length to dl_section_ref.
14536
14537 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
14538
14539         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
14540         for early expansion of vector absolute builtins.
14541
14542 2017-06-02  Richard Biener  <rguenther@suse.de>
14543
14544         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
14545         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
14546
14547 2017-06-02  Richard Biener  <rguenther@suse.de>
14548
14549         PR tree-optimization/80948
14550         * tree-tailcall.c (find_tail_calls): Track stmts to move in
14551         stmt order as well.
14552
14553 2017-06-02  Richard Biener  <rguenther@suse.de>
14554
14555         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
14556         PHIs are ok.
14557         * tree-vect-stmts.c (process_use): Do not mark backedge defs
14558         for inductions as relevant.
14559
14560 2017-06-02  Richard Biener  <rguenther@suse.de>
14561
14562         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
14563         (vectorizable_induction): ... this.  Remove dead code.
14564
14565 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
14566
14567         * builtins. (expand_builtin_alloca): Remove second parameter and
14568         infer its value from the first parameter instead.
14569         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
14570
14571 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
14572
14573         PR rtl-optimization/80903
14574         * loop-doloop.c (add_test): Unshare sequence.
14575
14576 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14577
14578         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
14579
14580 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14581
14582         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
14583         static.
14584         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
14585         xlogue_layout::get_instance, logue_layout::xlogue_layout,
14586         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
14587         (xlogue_layout::get_stub_rtx): Make static.
14588         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
14589         (xlogue_layout::compute_stub_managed_regs): Rename to...
14590         (xlogue_layout::count_stub_managed_regs): ...this.
14591         (xlogue_layout::is_stub_managed_reg): New function.
14592         (xlogue_layout::m_stub_names): Rename to...
14593         (xlogue_layout::s_stub_names): ...this, make static.
14594         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
14595         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
14596         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
14597         xlogue_layout::s_stub_names): Instantiate statics.
14598         (stub_managed_regs): Remove.
14599         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
14600         (disable_call_ms2sysv_xlogues): Rename to...
14601         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
14602         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
14603         warning logic.
14604         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
14605         change after reload_completed.
14606         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
14607         directly.
14608         (ix86_expand_prologue): Likewise.
14609         (ix86_expand_epilogue): Likewise.
14610         (ix86_expand_split_stack_prologue): Likewise.
14611         (ix86_compute_frame_layout): Remove frame parameter ...
14612         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
14613         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
14614         only if necessary.
14615         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
14616         (ix86_frame): Move from here ...
14617         * config/i386/i386.h (ix86_frame): ... to here.
14618         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
14619         complete ix86_frame data structure instead.  Remove some_ld_name.
14620
14621 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
14622
14623         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
14624         symbols that hold a DECL_VALUE_EXPR.
14625
14626 2017-06-01  Martin Jambor  <mjambor@suse.cz>
14627
14628         PR tree-optimization/80898
14629         * tree-sra.c (process_subtree_disqualification): Removed.
14630         (disqualify_candidate): Do not acll
14631         process_subtree_disqualification.
14632         (subtree_mark_written_and_enqueue): New function.
14633         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
14634         RHS has been disqualified and re-queue LHS if necessary.  Apart
14635         from that, ignore disqualified RHS.
14636
14637 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14638
14639         * config/s390/s390.c (s390_emit_epilogue): Disable early return
14640         address fetch for z10 or later.
14641
14642 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14643
14644         * config/arc/arc.md (tst_movb): Add guard when splitting.
14645
14646 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14647
14648         * config/arc/arc.c (arc_can_eliminate): Test against
14649         arc_frame_pointer_needed.
14650
14651 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14652
14653         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
14654         to prevent store reordering.
14655         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
14656         (type): Add block type.
14657         (stack_tie): Define special instruction to be used in
14658         expand_prologue.
14659
14660 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14661
14662         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
14663         constraint. It is not valid for the pattern.
14664         (noncommutative_binary_comparison): Likewise.
14665
14666 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14667
14668         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
14669         scaled addresses.
14670
14671 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14672
14673         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
14674         be used by the reg-alloc.
14675
14676 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14677
14678         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
14679         reg-alloc when having mul64 or mul32x16 instructions.
14680         (mulsidi3): Likewise.
14681         (umulsidi3): Likewise.
14682         (mulsi32x16): New pattern.
14683         (mulsi64): Likewise.
14684         (mulsidi64): Likewise.
14685         (umulsidi64): Likewise.
14686         (MUL32x16_REG): Define.
14687         (mul64_600): Use MUL32x16_REG.
14688         (mac64_600): Likewise.
14689         (umul64_600): Likewise.
14690         (umac64_600): Likewise.
14691
14692 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14693
14694         * config/arc/arc.md (mulsi3_700): Make it commutative.
14695
14696 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
14697
14698         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
14699         type for movstouw.
14700         (*sign_extendsidi2_insn): Likewise for movstosw.
14701
14702 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
14703
14704         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
14705         the type of the input discriminant value.  Convert the
14706         discriminant value of signedness vary.
14707
14708 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
14709
14710         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
14711         Add to -Wall section.
14712
14713 2017-06-01  Richard Biener  <rguenther@suse.de>
14714
14715         PR middle-end/66313
14716         * fold-const.c (fold_plusminus_mult_expr): If the factored
14717         factor may be zero use a wrapping type for the inner operation.
14718         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
14719         and handle moved defs.
14720         (process_assignment): Properly guard the unary op case.  Return a
14721         tri-state indicating that moving the stmt before the call may allow
14722         to continue.  Pass through to_move.
14723         (find_tail_calls): Handle moving unrelated defs before
14724         the call.
14725
14726 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
14727
14728         PR target/80618
14729         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
14730         splitter result in the canonical way.
14731
14732 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
14733
14734         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
14735         also for 32bit target.  Update insn attributes.
14736         (zero-extendsidi2 splitter): Allow all registers for operand 1.
14737
14738 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
14739
14740         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
14741         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
14742         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
14743         (_mm_maskz_min_ss): New intrinsics.
14744
14745 2017-05-31  Martin Liska  <mliska@suse.cz>
14746
14747         * tree-vect-loop.c (vect_create_epilog_for_reduction):
14748         Change comment style to one we normally use.
14749         (vectorizable_reduction): Likewise.
14750         (vectorizable_induction): Likewise.
14751         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
14752         (vectorizable_call): Likewise.
14753         (vectorizable_simd_clone_call): Likewise.
14754         (vectorizable_conversion): Likewise.
14755         (vectorizable_assignment): Likewise.
14756         (vectorizable_shift): Likewise.
14757         (vectorizable_operation): Likewise.
14758         (vectorizable_store): Likewise.
14759         (vectorizable_load): Likewise.
14760         * tree-vectorizer.h: Likewise.
14761
14762 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
14763
14764         * passes.c (emergency_dump_function): New.
14765         * tree-pass.h (emergency_dump_function): Declare.
14766         * plugin.c (plugins_internal_error_function): Remove.
14767         * plugin.h (plugins_internal_error_function): Remove declaration.
14768         * toplev.c (internal_error_function): New static function.  Use it...
14769         (general_init): ...here.
14770
14771 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
14772
14773         * config/arc/arc.c (arc_print_operand): Handle constant operands.
14774         (arc_rtx_costs): Add costs for new patterns.
14775         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
14776         * config/arc/predicates.md: Add _1_2_3_operand predicate.
14777
14778 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
14779
14780         * tree-ssa-strlen.c (get_next_strinfo): New function.
14781         (get_stridx_plus_constant): Use it.
14782         (zero_length_string): Likewise.
14783         (adjust_related_strinfos): Likewise.
14784         (adjust_last_stmt): Likewise.
14785
14786 2017-05-31  Richard Biener  <rguenther@suse.de>
14787
14788         PR target/80880
14789         * config/i386/i386.c (ix86_expand_builtin): Remove assert
14790         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
14791
14792 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
14793
14794         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
14795         loop_vinfo argument and use of dependence distance vectors.
14796         Check instead whether the two references differ only in their
14797         initial value and assume that they have the same alignment if the
14798         difference is a multiple of the vector alignment.
14799         (vect_analyze_data_refs_alignment): Update call accordingly.
14800
14801 2017-05-31  Martin Liska  <mliska@suse.cz>
14802
14803         PR target/79155
14804         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
14805
14806 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
14807
14808         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
14809         (create_intersect_range_checks): Move from ...
14810         * tree-data-ref.c (create_intersect_range_checks_index)
14811         (create_intersect_range_checks): ... to here.
14812         (create_runtime_alias_checks): New function factored from ...
14813         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
14814         here.  Call above function.
14815         * tree-data-ref.h (create_runtime_alias_checks): New function.
14816
14817 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
14818
14819         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
14820         segment length for dr_b and compute it in wide_int.
14821
14822 2017-05-31  Richard Biener  <rguenther@suse.de>
14823
14824         PR tree-optimization/80906
14825         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
14826         and pass through iv_map.
14827         (copy_bb_and_scalar_dependences): Adjust.
14828         (translate_pending_phi_nodes): Likewise.
14829         (copy_loop_close_phi_args): Handle code-generating IVs instead
14830         of ICEing.
14831
14832 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
14833
14834         * diagnostic-color.c (color_dict): Add "type-diff".
14835         (parse_gcc_colors): Update comment.
14836         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
14837         -fdiagnostics-show-template-tree and -fno-elide-type.
14838         (GCC_COLORS): Add type-diff to example.
14839         (type-diff=): New.
14840         (-fdiagnostics-show-template-tree): New.
14841         (-fno-elide-type): New.
14842         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
14843         the pp_format_decoder callback.  Call any m_format_postprocessor's
14844         "handle" method.
14845         (pretty_printer::pretty_printer): Initialize
14846         m_format_postprocessor.
14847         (pretty_printer::~pretty_printer): Delete any
14848         m_format_postprocessor.
14849         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
14850         (class format_postprocessor): New class.
14851         (struct pretty_printer::format_decoder): Document the new parameters.
14852         (struct pretty_printer::m_format_postprocessor): New field.
14853         * tree-diagnostic.c (default_tree_printer): Update for new
14854         bool and const char ** params.
14855         * tree-diagnostic.h (default_tree_printer): Likewise.
14856
14857 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
14858
14859         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
14860         (lwa_operand): Delete rs6000_gen_cell_microcode test.
14861         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
14862         rs6000_gen_cell_microcode code.
14863         (rs6000_final_prescan_insn): Delete.
14864         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
14865         "warn-cell-microcode" entries.
14866         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
14867         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
14868         throughout.  Change cc_reg_not_micro_cr0_operand to
14869         cc_reg_not_cr0_operand throughout.
14870         (*extendhi<mode>2_noload): Delete.
14871         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
14872         (mwarn-cell-microcode): Delete.
14873         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
14874         -mgen-cell-microcode and -mwarn-cell-microcode.
14875
14876 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
14877
14878         PR target/80833
14879         * config/i386/constraints.md (Yd): New constraint.
14880         (Ye): Ditto.
14881         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
14882         and (?Yd, r) alternatives.  Update insn attributes.
14883         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
14884         and (?*Yd, r) alternatives.  Update insn attributes.
14885         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
14886
14887 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
14888
14889         * gimplify.c (gimplify_modify_expr): Don't create a
14890         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
14891         function.
14892
14893 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
14894
14895         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
14896
14897 2017-05-30  Richard Biener  <rguenther@suse.de>
14898
14899         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
14900         and reduc_def fields.
14901         (STMT_VINFO_REDUC_TYPE): New define.
14902         (STMT_VINFO_REDUC_DEF): Likewise.
14903         (vect_force_simple_reduction): Adjust prototype.
14904         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
14905         (vect_is_simple_reduction): Remove check_reduction argument.
14906         (vect_force_simple_reduction): Adjust and set
14907         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14908         (vectorizable_reduction): Do not re-do reduction analysis
14909         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14910         * tree-parloops.c (gather_scalar_reductions): Adjust.
14911
14912 2017-05-30  Richard Biener  <rguenther@suse.de>
14913
14914         PR middle-end/80901
14915         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
14916         split_edge code.
14917
14918 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14919
14920         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
14921         Introduce unknown_misalignment parameter and remove vf.
14922         (vect_peeling_hash_get_lowest_cost):
14923         Pass unknown_misalignment parameter.
14924         (vect_enhance_data_refs_alignment):
14925         Fix unsupportable data ref treatment.
14926
14927 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14928
14929         * tree-vect-data-refs.c (vect_get_data_access_cost):
14930         Workaround for SLP handling.
14931         (vect_enhance_data_refs_alignment):
14932         Compute costs for doing no peeling at all, compare to the best
14933         peeling costs so far and avoid peeling if cheaper.
14934
14935 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14936
14937         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
14938         Return peeling info and set costs to zero for unlimited cost
14939         model.
14940         (vect_enhance_data_refs_alignment): Also inspect all datarefs
14941         with unknown misalignment. Compute and costs for unknown
14942         misalignment, compare them to the costs for known misalignment
14943         and choose the cheapest for peeling.
14944
14945 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14946
14947         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
14948         (vect_get_peeling_costs_all_drs): Create function.
14949         (vect_peeling_hash_get_lowest_cost):
14950         Use vect_get_peeling_costs_all_drs.
14951         (vect_peeling_supportable): Create function.
14952         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
14953
14954 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14955
14956         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
14957         DR_HAS_NEGATIVE_STEP.
14958         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
14959         (vect_enhance_data_refs_alignment): Use.
14960         (vect_duplicate_ssa_name_ptr_info): Use.
14961         * tree-vectorizer.h (dr_misalignment): Use.
14962         (known_alignment_for_access_p): Use.
14963
14964 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
14965
14966         PR target/78838
14967         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
14968         .lowtext.
14969         (has_section_name): New function.
14970
14971 2017-05-30  Martin Liska  <mliska@suse.cz>
14972
14973         PR other/80909
14974         * auto-profile.c (get_function_decl_from_block): Fix
14975         parenthesis.
14976
14977 2017-05-30  Richard Biener  <rguenther@suse.de>
14978
14979         PR middle-end/80876
14980         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
14981
14982 2017-05-30  Martin Liska  <mliska@suse.cz>
14983
14984         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
14985         * dumpfile.h (struct dump_file_info): Remove ctors.
14986
14987 2017-05-30  Martin Liska  <mliska@suse.cz>
14988
14989         * predict.def: Fix GNU coding style.
14990
14991 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14992
14993         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
14994         Mark 'to' argument with ATTRIBUTE_UNUSED.
14995
14996 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14997
14998         * config/xtensa/xtensa.c (xtensa_emit_call): Use
14999         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
15000         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
15001         format string.
15002
15003 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
15004
15005         * doc/install.texi (Options specification): Restore entry of
15006         --enable-sjlj-exceptions.
15007
15008 2017-05-27  Michael Eager  <eager@eagercon.com>
15009
15010         Revert:
15011         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
15012
15013         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
15014
15015         * config/microblaze/microblaze.h
15016         (FIXED_REGISTERS): Update in macro.
15017         (CALL_USED_REGISTERS): Update in macro.
15018
15019 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
15020
15021         * doc/install.texi: Add links to macOS binary distributions.
15022
15023 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
15024
15025         PR bootstrap/80887
15026         Revert:
15027         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15028
15029         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
15030
15031 2017-05-26  Martin Liska  <mliska@suse.cz>
15032
15033         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
15034
15035 2017-05-26  Martin Liska  <mliska@suse.cz>
15036
15037         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
15038         always leading ';; '.
15039         (dump_bb_info): Likewise.
15040         (brief_dump_cfg): Likewise.
15041         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
15042         * dumpfile.c: Remove usage of TDF_VERBOSE.
15043         * dumpfile.h (enum dump_kind): Likewise.
15044         (dump_gimple_bb_header): Do not use TDF_COMMENT.
15045         * print-tree.c (debug_verbose): Remove.
15046         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
15047         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
15048         * tree-diagnostic.c (default_tree_printer): Replace
15049         TDF_DIAGNOSTIC with TDF_SLIM.
15050
15051 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15052
15053         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
15054         in parameter loop, rather than loop_vinfo.
15055         (create_intersect_range_checks): Ditto.
15056         (vect_create_cond_for_alias_checks): Update call to above functions.
15057
15058 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15059
15060         PR tree-optimization/80815
15061         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
15062         for merging runtime alias checks.  Handle negative DR_STEPs.
15063
15064 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15065
15066         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
15067         Move from ...
15068         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
15069         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
15070         out code pruning runtime alias checks.
15071         * tree-data-ref.c (prune_runtime_alias_test_list): New function
15072         factored out from above.
15073         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
15074         Move from ...
15075         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
15076         ... to here.
15077         (prune_runtime_alias_test_list): New decalaration.
15078
15079 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
15080
15081         * tree-vect-data-refs.c (compare_tree): Rename and move ...
15082         * tree-data-ref.c (data_ref_compare_tree): ... to here.
15083         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
15084         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
15085         (operator==, comp_dr_with_seg_len_pair): Ditto.
15086         (vect_prune_runtime_alias_test_list): Ditto.
15087
15088 2017-05-26  Martin Liska  <mliska@suse.cz>
15089
15090         PR ipa/80663
15091         * params.def: Bound partial-inlining-entry-probability param.
15092
15093 2017-05-26  Marek Polacek  <polacek@redhat.com>
15094
15095         PR sanitizer/80875
15096         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
15097         can be negated.
15098
15099 2017-05-26  Richard Biener  <rguenther@suse.de>
15100
15101         PR tree-optimization/80842
15102         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
15103         value.
15104
15105 2017-05-26  Richard Biener  <rguenther@suse.de>
15106
15107         PR tree-optimization/80844
15108         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
15109
15110 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
15111
15112         * doc/md.texi (Machine Constraints): Update x86 family
15113         machine constraints section to match 'config/i386/constraints.md'.
15114
15115 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
15116
15117         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
15118
15119 2017-05-25  Nathan Sidwell  <nathan@acm.org>
15120
15121         * doc/invoke.texi (--enable-languages): Update documentation.
15122
15123 2017-05-25  Martin Liska  <mliska@suse.cz>
15124
15125         * dumpfile.c: Add TDF_FOLDING.
15126         * dumpfile.h (enum dump_kind): Likewise.
15127         * genmatch.c (dt_simplify::gen_1): Use it.
15128
15129 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15130
15131         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
15132
15133 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15134
15135         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
15136         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
15137
15138 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
15139
15140         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
15141         * match.pd (X == C): Rewrite it here.
15142         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
15143         with_certain_nonzero_bits2): New predicates.
15144         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
15145
15146 2017-05-24  Nathan Sidwell  <nathan@acm.org>
15147
15148         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
15149         avoid warning.
15150
15151         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
15152         warning.
15153
15154 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
15155
15156         * config/powerpcspe: New port.  Files are copied from the rs6000
15157         port, with "rs6000" in filenames replaced by "powerpcspe".
15158
15159 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
15160
15161         PR rtl-optimization/80754
15162         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
15163
15164 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
15165
15166         * config/sparc/sparc.md (length): Return the correct value for -mflat
15167         sibcalls to match output_sibcall.
15168
15169 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
15170
15171         PR bootstrap/80860
15172         PR bootstrap/80843
15173         * config/rs6000/rs6000.c (struct machine_function): Add new field
15174         n_components.
15175         (rs6000_get_separate_components): Init that field, use it.
15176         (rs6000_components_for_bb): Use the field.
15177
15178 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15179
15180         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
15181
15182 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
15183
15184         PR middle-end/80823
15185         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
15186
15187 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15188
15189         PR target/80725
15190         * config/s390/s390.c (s390_check_qrst_address): Check incoming
15191         address against address_operand predicate.
15192         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
15193
15194 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
15195
15196         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
15197         parameters passed indirectly.
15198
15199 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
15200
15201         * config/i386/i386.md (*movdi_internal): Remove SSE4
15202         alternative 18 (?r, *v).  Update insn attributes.
15203         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
15204         Update insn attributes.
15205         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
15206         Update insn attributes.
15207         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
15208         alternative 1 (r, v). Remove isa attribute.
15209         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
15210         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
15211         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
15212
15213 2017-05-23  Tom de Vries  <tom@codesourcery.com>
15214
15215         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
15216         dg-line directive.
15217
15218 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
15219
15220         * cgraphunit.c (symbol_table::process_new_functions): Update.
15221         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
15222         (inline_generate_summary): Rename to ...
15223         (ipa_fn_summary_generate): ... this one.
15224         (inline_read_summary): Rename to ...
15225         (ipa_fn_summary_read): ... this one.
15226         (inline_write_summary): Rename to ...
15227         (ipa_fn_summary_write): ... this one.
15228         (inline_free_summary): Rename to ...
15229         (ipa_free_fn_summary): ... this one.
15230         (pass_data_local_fn_summary, pass_local_fn_summary,
15231         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
15232         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
15233         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
15234         make_pass_ipa_fn_summary): New.
15235         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
15236         inline_write_summary, inline_free_summary): Remove.
15237         (ipa_free_fn_summary) : New.
15238         * ipa-inline.c (ipa_inline): Update.
15239         (pass_ipa_inline): Do not generate summaries.
15240         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
15241         Remove.
15242         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
15243         and add pass_ipa_fn_summary.
15244         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
15245         New.
15246         (make_pass_inline_parameters): Remove.
15247
15248 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
15249
15250         * omp-low.c (struct omp_context): Remove "default_kind" member.
15251         Adjust all users.
15252
15253         * omp-offload.c (execute_oacc_device_lower): Remove the
15254         parallelism dimensions function attributes for unparallelized
15255         OpenACC kernels constructs.
15256
15257 2017-05-23  Martin Liska  <mliska@suse.cz>
15258
15259         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
15260         functions.
15261         (cgraph_edge::make_speculative): Likewise.
15262         (cgraph_edge::resolve_speculation): Likewise.
15263         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
15264         (cgraph_node::dump): Likewise.
15265         * cgraph.h: Likewise.
15266         * cgraphunit.c (analyze_functions): Likewise.
15267         (symbol_table::compile): Likewise.
15268         * ipa-cp.c (print_all_lattices): Likewise.
15269         (determine_versionability): Likewise.
15270         (initialize_node_lattices): Likewise.
15271         (ipcp_verify_propagated_values): Likewise.
15272         (estimate_local_effects): Likewise.
15273         (update_profiling_info): Likewise.
15274         (create_specialized_node): Likewise.
15275         (perhaps_add_new_callers): Likewise.
15276         (decide_about_value): Likewise.
15277         (decide_whether_version_node): Likewise.
15278         (identify_dead_nodes): Likewise.
15279         (ipcp_store_bits_results): Likewise.
15280         * ipa-devirt.c (dump_targets): Likewise.
15281         (ipa_devirt): Likewise.
15282         * ipa-icf.c (sem_item::dump): Likewise.
15283         (sem_function::equals): Likewise.
15284         (sem_variable::equals): Likewise.
15285         (sem_item_optimizer::read_section): Likewise.
15286         (sem_item_optimizer::execute): Likewise.
15287         (congruence_class::dump): Likewise.
15288         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
15289         (dump_inline_summary): Likewise.
15290         (estimate_node_size_and_time): Likewise.
15291         (inline_analyze_function): Likewise.
15292         * ipa-inline-transform.c (inline_call): Likewise.
15293         * ipa-inline.c (report_inline_failed_reason): Likewise.
15294         (want_early_inline_function_p): Likewise.
15295         (edge_badness): Likewise.
15296         (update_edge_key): Likewise.
15297         (inline_small_functions): Likewise.
15298         * ipa-profile.c (ipa_profile): Likewise.
15299         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
15300         (ipa_make_edge_direct_to_target): Likewise.
15301         (remove_described_reference): Likewise.
15302         (ipa_impossible_devirt_target): Likewise.
15303         (propagate_controlled_uses): Likewise.
15304         (ipa_print_node_params): Likewise.
15305         (ipcp_transform_function): Likewise.
15306         * ipa-pure-const.c (pure_const_read_summary): Likewise.
15307         (propagate_pure_const): Likewise.
15308         * ipa-reference.c (generate_summary): Likewise.
15309         (read_write_all_from_decl): Likewise.
15310         (propagate): Likewise.
15311         (ipa_reference_read_optimization_summary): Likewise.
15312         * ipa-utils.c (ipa_merge_profiles): Likewise.
15313         * ipa.c (walk_polymorphic_call_targets): Likewise.
15314         (symbol_table::remove_unreachable_nodes): Likewise.
15315         (ipa_single_use): Likewise.
15316         * passes.c (execute_todo): Likewise.
15317         * predict.c (drop_profile): Likewise.
15318         * symtab.c (symtab_node::get_dump_name): New function.
15319         (symtab_node::dump_name): Likewise.
15320         (symtab_node::dump_asm_name): Likewise.
15321         (symtab_node::dump_references): Likewise.
15322         (symtab_node::dump_referring): Likewise.
15323         (symtab_node::dump_base): Likewise.
15324         (symtab_node::debug_symtab): Likewise.
15325         * tree-sra.c (convert_callers_for_node): Likewise.
15326         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
15327         * value-prof.c (init_node_map): Likewise.
15328
15329 2017-05-23  Martin Liska  <mliska@suse.cz>
15330
15331         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
15332         and symtab_node::debug_symtab to symbol_table::debug.
15333         * cgraphunit.c (analyze_functions): Use the renamed function.
15334         (symbol_table::compile): Likewise.
15335         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
15336         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
15337         * passes.c (execute_todo): Likewise.
15338         * symtab.c (symbol_table::dump): New function.
15339         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
15340
15341 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
15342
15343         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
15344         that nonconst implies exec.
15345
15346 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
15347
15348         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
15349         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
15350         (inline_edge_summary_vec): Turn into ...
15351         (ipa_call_summaries): ... this one.
15352         (redirect_to_unreachable, edge_set_predicate,
15353         evaluate_properties_for_edge, inline_summary_alloc,
15354         reset_ipa_call_summary, reset_inline_summary,
15355         inline_summary_t::duplicate): Update.
15356         (inline_edge_duplication_hook): Turn to ...
15357         (ipa_call_summary_t::duplicate): ... this one.
15358         (inline_edge_removal_hook): Turn to ...
15359         (ipa_call_summary_t::remove): ... this one.
15360         (dump_inline_edge_summary): Turn to ...
15361         (dump_ipa_call_summary): ... this one.
15362         (estimate_function_body_sizes): Update.
15363         (inline_update_callee_summaries): Update.
15364         (remap_edge_change_prob): Update.
15365         (remap_edge_summaries): Update.
15366         (inline_merge_summary): Update.
15367         (do_estimate_edge_time): Update.
15368         (inline_generate_summary): Update.
15369         (inline_read_section): Update.
15370         (inline_read_summary): Update.
15371         (inline_free_summary): Update.
15372         * ipa-inline.c (can_inline_edge_p): Update.
15373         (compute_inlined_call_time): Update.
15374         (want_inline_small_function_p): Update.
15375         (edge_badness): Update.
15376         (early_inliner): Update.
15377         * ipa-inline.h (inline_edge_summary): Turn to ...
15378         (ipa_call_summary): ... this one.
15379         (ipa_call_summary_t): New class.
15380         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
15381         (ipa_call_summaries): New.
15382         (inline_edge_summary): Remove.
15383         (estimate_edge_growth): Update.
15384         * ipa-profile.c (ipa_propagate_frequency_1): Update.
15385         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
15386         * ipa-split.c (execute_split_functions): Update.
15387         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
15388
15389 2017-05-23  Tom de Vries  <tom@codesourcery.com>
15390
15391         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
15392         attributes): Document rdrand effective target.
15393
15394 2017-05-23  Tom de Vries  <tom@codesourcery.com>
15395
15396         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
15397         attributes): Sort alphabetically.
15398
15399 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
15400
15401         * config/avr/genmultilib.awk: Use gsub instead of gensub.
15402
15403 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
15404
15405         PR target/80718
15406         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
15407         V2DF/V2DI splat into two separate patterns, one that handles
15408         registers, and the other that only handles memory.  Drop support
15409         for splatting from a GPR on ISA 2.07 and then splitting the
15410         splat into direct move and splat.
15411         (vsx_splat_<mode>_reg): Likewise.
15412         (vsx_splat_<mode>_mem): Likewise.
15413
15414 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
15415
15416         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
15417
15418 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
15419
15420         PR middle-end/80809
15421         * omp-low.c (finish_taskreg_remap): New function.
15422         (finish_taskreg_scan): If unit size of ctx->record_type
15423         is non-constant, unshare the size expression and replace
15424         decls in it with possible outer var refs.
15425
15426         PR middle-end/80809
15427         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
15428         GOVD_SHARED rather than GOVD_PRIVATE with it.
15429         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
15430         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
15431
15432         PR middle-end/80853
15433         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
15434         as last argument to build_outer_var_ref for pointer bases of array
15435         section reductions.
15436
15437 2017-05-19  Martin Sebor  <msebor@redhat.com>
15438
15439         * print-tree.c (print_node): Print DECL_READ_P flag.
15440
15441 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15442
15443         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
15444         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
15445         * cgraph.c: Likewise.
15446         * cgraphunit.c: Likewise.
15447         * gengtype.c: Likewise.
15448         * ipa-cp.c: Likewise.
15449         * ipa-devirt.c: Likewise.
15450         * ipa-icf.c: Likewise.
15451         * ipa-predicate.c: Likewise.
15452         * ipa-profile.c: Likewise.
15453         * ipa-prop.c: Likewise.
15454         * ipa-split.c: Likewise.
15455         * ipa.c: Likewise.
15456         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
15457         edge_predicate_pool, dump_inline_hints,
15458         inline_summary::account_size_time, redirect_to_unreachable,
15459         edge_set_predicate, set_hint_predicate,
15460         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
15461         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
15462         inline_summary_t::remove, remap_hint_predicate_after_duplication,
15463         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
15464         ipa_call_summary_t::remove, initialize_growth_caches,
15465         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
15466         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
15467         mark_modified, unmodified_parm_1, unmodified_parm,
15468         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
15469         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
15470         compute_bb_predicates, will_be_nonconstant_expr_predicate,
15471         will_be_nonconstant_predicate, record_modified_bb_info,
15472         get_minimal_bb, record_modified, param_change_prob,
15473         phi_result_unknown_predicate, predicate_for_phi_result,
15474         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
15475         estimate_function_body_sizes, compute_inline_parameters,
15476         compute_inline_parameters_for_curren, pass_data_inline_parameters,
15477         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
15478         inline_update_callee_summaries, remap_edge_change_prob,
15479         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
15480         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
15481         inline_analyze_function, inline_summary_t::insert,
15482         inline_generate_summary, read_ipa_call_summary, inline_read_section,
15483         inline_read_summary, write_ipa_call_summary, inline_write_summary,
15484         inline_free_summary): Move to ipa-fnsummary.h
15485         (predicate_t): Remove.
15486         * ipa-fnsummary.c: New file.
15487         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
15488         (enum inline_hints_vals, inline_hints, agg_position_info,
15489         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
15490         inline_summaries, ipa_call_summary, ipa_call_summary_t,
15491         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
15492         dump_inline_summary, dump_inline_hints, inline_generate_summary,
15493         inline_read_summary, inline_write_summary, inline_free_summary,
15494         inline_analyze_function, initialize_inline_failed,
15495         inline_merge_summary, inline_update_overall_summary,
15496         compute_inline_parameters): Move to ipa-fnsummary.h
15497         * ipa-fnsummary.h: New file.
15498         * ipa-inline-transform.h: Include ipa-inline.h.
15499         * ipa-inline.c: LIkewise.
15500
15501 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15502
15503         * ipa-inline.c (edge_badness): Use inlined_time instead of
15504         inline_summaries->get.
15505
15506 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15507
15508         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
15509
15510 2017-05-22  Nathan Sidwell  <nathan@acm.org>
15511
15512         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
15513         (fdump-lang): Document 'raw' option.
15514         * dumpfile.h (TDI_tu): Delete.
15515         * dumpfile.c (dump_files): Remove translation-unit.
15516         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
15517
15518 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
15519
15520         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
15521         command option from $(AWK) call.
15522         * config/avr/genmultilib.awk: Simplify and rewrite so that it
15523         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
15524         [FORMAT]: Remove handling of variable.
15525         * config/avr/t-multilib: Regenerate.
15526
15527 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15528
15529         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
15530         self_time.
15531         (dump_inline_summary): Do not print self_time.
15532         (estimate_function_body_sizes): Do not set self_time.
15533         (compute_inline_parameters): Likewise.
15534         (inline_read_section, inline_write_summary): Do not stream self_time.
15535         * ipa-inline.h (inline_summary): Drop self_time.
15536
15537 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
15538
15539         * ipa-inline-analysis.c (account_size_time): Rename to ...
15540         (inline_summary::account_size_time): ... this one.
15541         (reset_ipa_call_summary): Turn to ...
15542         (ipa_call_summary::reset): ... this one.
15543         (reset_inline_summary): Turn to ...
15544         (inline_summary::reset): ... this one.
15545         (inline_summary_t::remove): Update.
15546         (inline_summary_t::duplicate): Update.
15547         (ipa_call_summary_t::remove): Update.
15548         (dump_inline_summary): Update.
15549         (estimate_function_body_sizes): Update.
15550         (compute_inline_parameters): Update.
15551         (estimate_node_size_and_time): Update.
15552         (inline_merge_summary): Update.
15553         (inline_update_overall_summary): Update.
15554         (inline_read_section): Update.
15555         (inline_write_summary): Update.
15556         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
15557         add account_size_time and reset member functions.
15558         (ipa_call_summary): Add reset function.
15559         * ipa-predicate.h (predicate::operator &): Constify.
15560
15561 2017-05-22  Richard Biener  <rguenther@suse.de>
15562
15563         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
15564
15565 2017-05-19  Jason Merrill  <jason@redhat.com>
15566
15567         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
15568
15569 2017-05-19  Marek Polacek  <polacek@redhat.com>
15570
15571         PR sanitizer/80800
15572         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
15573         TYPE_OVERFLOW_WRAPS checks.
15574
15575 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
15576
15577         * tree-core.h (enum omp_clause_default_kind): Add
15578         "OMP_CLAUSE_DEFAULT_PRESENT".
15579         * tree-pretty-print.c (dump_omp_clause): Handle it.
15580         * gimplify.c (enum gimplify_omp_var_data): Add
15581         "GOVD_MAP_FORCE_PRESENT".
15582         (gimplify_adjust_omp_clauses_1): Map it to
15583         "GOMP_MAP_FORCE_PRESENT".
15584         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
15585
15586         * gimplify.c (oacc_default_clause): Clarify.
15587
15588 2017-05-19  Nathan Sidwell  <nathan@acm.org>
15589
15590         LANG_HOOK_REGISTER_DUMPS
15591         * toplev.c (general_init): Call register dump lang hook.
15592         * doc/invoke.texi: Document -fdump-lang option family.
15593         * dumpfile.c (dump_files): Remove class dump here.
15594         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
15595         * dumpfile.h (tree_dump_index): Remove TDI_class.
15596         * langhooks-def.h (lhd_register_dumps): Declare.
15597         (LANG_HOOKS_REGISTER_DUMPS): Define.
15598         (LANG_HOOKS_INITIALIZER): Add it.
15599         * langhooks.c (lhd_register_dumps): Define.
15600         * langhooks.h (struct lang_hooks): Add register_dumps.
15601
15602 2017-05-19  Nathan Sidwell  <nathan@acm.org>
15603
15604         * context.h (context::set_passes): New.
15605         * context.c (context::context): Do not create pass manager.
15606         * toplev.c (general_init): Create pass manager here.
15607
15608 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
15609
15610         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
15611         use this splitter if two add or or instructions would also work for
15612         the constant we want to generate.
15613
15614 2017-05-19  Richard Biener  <rguenther@suse.de>
15615
15616         PR build/80821
15617         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
15618         predicate evaluation.
15619
15620 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
15621
15622         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
15623         add ctor.
15624         * ipa-inline.c (want_inline_small_function_p): Do not cast to
15625         unsigned.
15626
15627 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
15628
15629         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
15630         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
15631         (inline_edge_summary_vec): Turn into ...
15632         (ipa_call_summaries): ... this one.
15633         (redirect_to_unreachable, edge_set_predicate,
15634         evaluate_properties_for_edge, inline_summary_alloc,
15635         reset_ipa_call_summary, reset_inline_summary,
15636         inline_summary_t::duplicate): Update.
15637         (inline_edge_duplication_hook): Turn to ...
15638         (ipa_call_summary_t::duplicate): ... this one.
15639         (inline_edge_removal_hook): Turn to ...
15640         (ipa_call_summary_t::remove): ... this one.
15641         (dump_inline_edge_summary): Turn to ...
15642         (dump_ipa_call_summary): ... this one.
15643         (estimate_function_body_sizes): Update.
15644         (inline_update_callee_summaries): Update.
15645         (remap_edge_change_prob): Update.
15646         (remap_edge_summaries): Update.
15647         (inline_merge_summary): Update.
15648         (do_estimate_edge_time): Update.
15649         (inline_generate_summary): Update.
15650         (inline_read_section): Update.
15651         (inline_read_summary): Update.
15652         (inline_free_summary): Update.
15653         * ipa-inline.c (can_inline_edge_p): Update.
15654         (compute_inlined_call_time): Update.
15655         (want_inline_small_function_p): Update.
15656         (edge_badness): Update.
15657         (early_inliner): Update.
15658         * ipa-inline.h (inline_edge_summary): Turn to ...
15659         (ipa_call_summary): ... this one.
15660         (ipa_call_summary_t): New class.
15661         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
15662         (ipa_call_summaries): New.
15663         (inline_edge_summary): Remove.
15664         (estimate_edge_growth): Update.
15665         * ipa-profile.c (ipa_propagate_frequency_1): Update.
15666         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
15667         * ipa-split.c (execute_split_functions): Update.
15668         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
15669
15670 2017-05-19  Richard Biener  <rguenther@suse.de>
15671
15672         PR middle-end/80764
15673         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
15674
15675 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
15676
15677         * config/rs6000/rs6000.c (struct machine_function): Add field
15678         fpr_is_wrapped_separately.
15679         (rs6000_get_separate_components): Use 64 components.  Handle the
15680         new FPR components.
15681         (rs6000_components_for_bb): Handle the FPR components.
15682         (rs6000_emit_prologue_components): Handle the FPR components.
15683         (rs6000_emit_epilogue_components): Handle the FPR components.
15684         (rs6000_set_handled_components): Handle the FPR components.
15685         (rs6000_emit_prologue): Don't output prologue code for those FPRs
15686         that are already separately shrink-wrapped.
15687         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
15688         that are already separately shrink-wrapped.
15689
15690 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
15691
15692         PR target/80510
15693         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
15694         New predicate.
15695
15696         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
15697         (define_peephole2 for Altivec d-form load): Add peepholes to catch
15698         cases where the register allocator uses a move and an offsettable
15699         memory operation to/from a FPR register on ISA 2.06/2.07.
15700         (define_peephole2 for Altivec d-form store): Likewise.
15701
15702 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
15703
15704         PR target/80799
15705         * config/i386/mmx.md (*mov<mode>_internal): Enable
15706         alternatives 11, 12, 13 and 14 also for 32bit targets.
15707         Remove alternatives 15, 16, 17 and 18.
15708         * config/i386/sse.md (vec_concatv2di): Change
15709         alternative (!x, *y) to (x, ?!*Yn).
15710
15711 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
15712
15713         * dumpfile.h (enum dump_kind): Remove stray comma.
15714
15715 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
15716
15717         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
15718         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
15719         predicate::num_conditions
15720         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
15721         (CHANGED): turn into predicate::changed.
15722         (agg_position_info): Move to ipa-predicate.h
15723         (add_condition, predicate::add_clause, predicate::operator &=,
15724         predicate::or_with, predicate::evaluate, predicate::probability,
15725         dump_condition, dump_clause, predicate::dump,
15726         predicate::remap_after_duplication, predicate::remap_after_inlining,
15727         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
15728         (evaluate_conditions_for_known_args): Update.
15729         (set_cond_stmt_execution_predicate): Update.
15730         * ipa-inline.h: Include ipa-predicate.h
15731         (condition, inline_param_summary, conditions, agg_position_info,
15732         predicate): Move to ipa-predicate.h
15733         * ipa-predicate.c: New file.
15734         * ipa-predicate.h: New file.
15735
15736 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
15737
15738         * final.c (leaf_function_p): Check we are not in a sequence.
15739
15740 2017-05-18  Martin Liska  <mliska@suse.cz>
15741
15742         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
15743         * dumpfile.c (dump_register): Use new enum dump_kind.
15744         (get_dump_file_name): Likewise.
15745         (dump_enable_all): Likewise.
15746         (dump_switch_p_1): Likewise.
15747         (enable_rtl_dump_file): Remove usage of TDF_RTL.
15748         * dumpfile.h (enum dump_kind): New enum type.
15749         (struct dump_file_info): Create constructor and
15750         format fields and comments.
15751         * passes.c (pass_manager::register_one_dump_file):
15752         Use num dump_kind.
15753         * statistics.c (statistics_early_init): Likewise.
15754         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
15755         TDF_TREE with TDF_SLIM.
15756         (gather_memory_references_ref): Likewise.
15757
15758 2017-05-18  Martin Liska  <mliska@suse.cz>
15759
15760         * vec.h (struct vnull): Use it.
15761
15762 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
15763
15764         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
15765         (true_predicate, false_predicate, true_predicate_p,
15766         false_predicate_p): Remove.
15767         (single_cond_predicate, not_inlined_predicate): Turn to member function
15768         in ipa-inline.h
15769         (add_condition): Update.
15770         (add_clause): Turn to...
15771         (predicate::add_clause): ... this one; update; allow passing NULL
15772         as parameter.
15773         (and_predicates): Turn to ...
15774         (predicate::operator &=): ... this one.
15775         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
15776         (or_predicates): Turn to ...
15777         (predicate::or_with): ... this one.
15778         (evaluate_predicate): Turn to ...
15779         (predicate::evaluate): ... this one.
15780         (predicate_probability): Turn to ...
15781         (predicate::probability): ... this one.
15782         (dump_condition): Update.
15783         (dump_predicate): Turn to ...
15784         (predicate::dump): ... this one.
15785         (account_size_time): Update.
15786         (edge_set_predicate): Update.
15787         (set_hint_predicate): UPdate.
15788         (evaluate_conditions_for_known_args): Update.
15789         (evaluate_properties_for_edge): Update.
15790         (remap_predicate_after_duplication): Turn to...
15791         (predicate::remap_after_duplication): ... this one.
15792         (remap_hint_predicate_after_duplication): Update.
15793         (inline_summary_t::duplicate): UPdate.
15794         (dump_inline_edge_summary): Update.
15795         (dump_inline_summary): Update.
15796         (set_cond_stmt_execution_predicate): Update.
15797         (set_switch_stmt_execution_predicate): Update.
15798         (compute_bb_predicates): Update.
15799         (will_be_nonconstant_expr_predicate): Update.
15800         (will_be_nonconstant_predicate): Update.
15801         (phi_result_unknown_predicate): Update.
15802         (predicate_for_phi_result): Update.
15803         (array_index_predicate): Update.
15804         (estimate_function_body_sizes): Update.
15805         (estimate_node_size_and_time): Update.
15806         (estimate_ipcp_clone_size_and_time): Update.
15807         (remap_predicate): Rename to ...
15808         (predicate::remap_after_inlining): ... this one.
15809         (remap_hint_predicate): Update.
15810         (inline_merge_summary): Update.
15811         (inline_update_overall_summary): Update.
15812         (estimate_size_after_inlining): Update.
15813         (read_predicate): Rename to ...
15814         (predicate::stream_in): ... this one.
15815         (read_inline_edge_summary): Update.
15816         (write_predicate): Rename to ...
15817         (predicate::stream_out): ... this one.
15818         (write_inline_edge_summary): Update.
15819         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
15820         (clause_t): Turn to uint32_t
15821         (predicate): Turn to class; implement constructor and operators
15822         ==, !=, &
15823         (size_time_entry): Update.
15824         (inline_summary): Update.
15825         (inline_edge_summary): Update.
15826
15827 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
15828
15829         * fold-const.c (fold_binary_loc): Move transformation...
15830         * match.pd (C - X CMP X): ... here.
15831
15832 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
15833
15834         * config/sparc/sparc.c (sparc_option_override): Set function
15835         alignment for -mcpu=niagara7 to 64 to match the I$ line.
15836         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
15837         latency to 1.
15838         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
15839         latency to 2.
15840         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
15841
15842 2017-05-18  Marek Polacek  <polacek@redhat.com>
15843
15844         PR sanitizer/80797
15845         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
15846         (pass_ubsan::execute): Call gimple_assign_single_p instead of
15847         gimple_assign_load_p.
15848
15849 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
15850
15851         PR middle-end/80692
15852         * real.c (do_compare): Give decimal_do_compare preference over
15853         comparing just the signs.
15854
15855 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
15856
15857         * doc/md.texi (Canonicalization of Instructions): Describe the
15858         canonical form of instructions that inherently set a condition
15859         code register.
15860
15861 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
15862
15863         PR middle-end/80775
15864         * tree-cfg.c: Move deletion of unreachable case statements to after
15865         the merging of consecutive case labels.
15866
15867 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15868
15869         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
15870         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
15871         restoring of callee-saved registers.
15872
15873 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
15874
15875         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
15876         * config/visium/visium.c (single_set_and_flags): Likewise.
15877         * config/visium/visium.md (Substitutions): Likewise.
15878
15879 2017-05-17  Martin Liska  <mliska@suse.cz>
15880
15881         * cfg.c: Introduce dump_flags_t type and
15882         use it instead of int type.
15883         * cfg.h: Likewise.
15884         * cfghooks.c: Likewise.
15885         * cfghooks.h (struct cfg_hooks): Likewise.
15886         * cfgrtl.c: Likewise.
15887         * cfgrtl.h: Likewise.
15888         * cgraph.c (cgraph_node::get_body): Likewise.
15889         * coretypes.h: Likewise.
15890         * domwalk.c: Likewise.
15891         * domwalk.h: Likewise.
15892         * dumpfile.c (struct dump_option_value_info): Likewise.
15893         (dump_enable_all): Likewise.
15894         (dump_switch_p_1): Likewise.
15895         (opt_info_switch_p): Likewise.
15896         * dumpfile.h (enum tree_dump_index): Likewise.
15897         (struct dump_file_info): Likewise.
15898         * genemit.c: Likewise.
15899         * generic-match-head.c: Likewise.
15900         * gengtype.c (open_base_files): Likewise.
15901         * gimple-pretty-print.c: Likewise.
15902         * gimple-pretty-print.h: Likewise.
15903         * graph.c (print_graph_cfg): Likewise.
15904         * graphite-scop-detection.c (dot_all_sese): Likewise.
15905         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
15906         * loop-unroll.c (report_unroll): Likewise.
15907         * passes.c (pass_manager::register_one_dump_file): Likewise.
15908         * print-tree.c: Likewise.
15909         * statistics.c: Likewise.
15910         * tree-cfg.c: Likewise.
15911         * tree-cfg.h: Likewise.
15912         * tree-dfa.c: Likewise.
15913         * tree-dfa.h: Likewise.
15914         * tree-dump.c (dump_function): Likewise.
15915         * tree-dump.h (struct dump_info): Likewise.
15916         * tree-pretty-print.c: Likewise.
15917         * tree-pretty-print.h: Likewise.
15918         * tree-ssa-live.c: Likewise.
15919         * tree-ssa-live.h: Likewise.
15920         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
15921         * tree-vect-loop.c: Likewise.
15922         * tree-vect-slp.c: Likewise.
15923
15924 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
15925             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15926
15927         PR tree-optimization/80457
15928         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
15929         of all arguments to a statement as scalar_to_vec operations.
15930         (vectorizable_call): Adjust call to vect_model_simple_cost for
15931         new parameter.
15932         (vectorizable_conversion): Likewise.
15933         (vectorizable_assignment): Likewise.
15934         (vectorizable_shift): Likewise.
15935         (vectorizable_operation): Likewise.
15936         (vectorizable_comparison): Likewise.
15937         (vect_is_simple_cond): Record the def types for operands.
15938         (vectorizable_condition): Likewise, call vect_model_simple_cost.
15939         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
15940         for statement argument count.
15941
15942 2017-05-16  Carl Love  <cel@us.ibm.com>
15943
15944         * config/rs6000/rs6000-c: Add support for built-in functions
15945         vector unsigned long long vec_bperm (vector unsigned long long,
15946                                              vector unsigned char)
15947         vector signed long long vec_mule (vector signed int,
15948                                           vector signed int)
15949         vector unsigned long long vec_mule (vector unsigned int,
15950                                             vector unsigned int)
15951         vector signed long long vec_mulo (vector signed int,
15952                                           vector signed int)
15953         vector unsigned long long vec_mulo (vector unsigned int,
15954                                             vector unsigned int)
15955         vector signed char vec_sldw (vector signed char,
15956                                      vector signed char,
15957                                      const int)
15958         vector unsigned char vec_sldw (vector unsigned char,
15959                                        vector unsigned char,
15960                                        const int)
15961         vector signed short vec_sldw (vector signed short,
15962                                       vector signed short,
15963                                       const int)
15964         vector unsigned short vec_sldw (vector unsigned short,
15965                                         vector unsigned short,
15966                                         const int)
15967         vector signed int vec_sldw (vector signed int,
15968                                     vector signed int,
15969                                     const int)
15970         vector unsigned int vec_sldw (vector unsigned int,
15971                                       vector unsigned int,
15972                                       const int)
15973         vector signed long long vec_sldw (vector signed long long,
15974                                           vector signed long long,
15975                                           const int)
15976         vector unsigned long long vec_sldw (vector unsigned long long,
15977                                             vector unsigned long long,
15978                                             const int)
15979         * config/rs6000/rs6000-c: Add support for built-in functions
15980         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
15981         * config/rs6000/altivec.h: Add defintion for vec_sldw.
15982         * doc/extend.texi: Update the built-in documentation for the
15983         new built-in functions.
15984
15985 2017-05-16  Marek Polacek  <polacek@redhat.com>
15986
15987         PR sanitizer/80536
15988         PR sanitizer/80386
15989         * tree.c (save_expr): Don't fold the expression.
15990
15991 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
15992
15993         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
15994         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
15995         and (?*y,m).  Update insn attributes.
15996
15997 2017-05-16  Martin Liska  <mliska@suse.cz>
15998
15999         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
16000         flags argument of print_gimple_stmt, print_gimple_expr,
16001         print_generic_stmt and print_generic_expr.
16002         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
16003         * coretypes.h: Likewise.
16004         * except.c (dump_eh_tree): Likewise.
16005         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
16006         * gimple-pretty-print.h: Likewise.
16007         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
16008         (backprop::push_to_worklist): Likewise.
16009         (backprop::pop_from_worklist): Likewise.
16010         (backprop::process_use): Likewise.
16011         (backprop::intersect_uses): Likewise.
16012         (note_replacement): Likewise.
16013         * gimple-ssa-store-merging.c
16014         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
16015         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
16016         (pass_store_merging::execute): Likewise.
16017         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
16018         (ssa_base_cand_dump_callback): Likewise.
16019         (dump_incr_vec): Likewise.
16020         (replace_refs): Likewise.
16021         (replace_mult_candidate): Likewise.
16022         (create_add_on_incoming_edge): Likewise.
16023         (create_phi_basis): Likewise.
16024         (insert_initializers): Likewise.
16025         (all_phi_incrs_profitable): Likewise.
16026         (introduce_cast_before_cand): Likewise.
16027         (replace_one_candidate): Likewise.
16028         * gimplify.c (gimplify_expr): Likewise.
16029         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
16030         (set_rename): Likewise.
16031         (rename_uses): Likewise.
16032         (copy_loop_phi_nodes): Likewise.
16033         (add_close_phis_to_merge_points): Likewise.
16034         (copy_loop_close_phi_args): Likewise.
16035         (copy_cond_phi_args): Likewise.
16036         (graphite_copy_stmts_from_block): Likewise.
16037         (translate_pending_phi_nodes): Likewise.
16038         * graphite-poly.c (print_pdr): Likewise.
16039         (dump_gbb_cases): Likewise.
16040         (dump_gbb_conditions): Likewise.
16041         (print_scop_params): Likewise.
16042         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
16043         (build_cross_bb_scalars_use): Likewise.
16044         (gather_bbs::before_dom_children): Likewise.
16045         * hsa-dump.c (dump_hsa_immed): Likewise.
16046         * ipa-cp.c (print_ipcp_constant_value): Likewise.
16047         (get_replacement_map): Likewise.
16048         * ipa-inline-analysis.c (dump_condition): Likewise.
16049         (estimate_function_body_sizes): Likewise.
16050         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
16051         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
16052         * ipa-prop.c (ipa_dump_param): Likewise.
16053         (ipa_print_node_jump_functions_for_edge): Likewise.
16054         (ipa_modify_call_arguments): Likewise.
16055         (ipa_modify_expr): Likewise.
16056         (ipa_dump_param_adjustments): Likewise.
16057         (ipa_dump_agg_replacement_values): Likewise.
16058         (ipcp_modif_dom_walker::before_dom_children): Likewise.
16059         * ipa-pure-const.c (check_stmt): Likewise.
16060         (pass_nothrow::execute): Likewise.
16061         * ipa-split.c (execute_split_functions): Likewise.
16062         * omp-offload.c (dump_oacc_loop_part): Likewise.
16063         (dump_oacc_loop): Likewise.
16064         * trans-mem.c (tm_log_emit): Likewise.
16065         (tm_memopt_accumulate_memops): Likewise.
16066         (dump_tm_memopt_set): Likewise.
16067         (dump_tm_memopt_transform): Likewise.
16068         * tree-cfg.c (gimple_verify_flow_info): Likewise.
16069         (print_loop): Likewise.
16070         * tree-chkp-opt.c (chkp_print_addr): Likewise.
16071         (chkp_gather_checks_info): Likewise.
16072         (chkp_get_check_result): Likewise.
16073         (chkp_remove_check_if_pass): Likewise.
16074         (chkp_use_outer_bounds_if_possible): Likewise.
16075         (chkp_reduce_bounds_lifetime): Likewise.
16076         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
16077         (chkp_mark_completed_bounds): Likewise.
16078         (chkp_register_incomplete_bounds): Likewise.
16079         (chkp_mark_invalid_bounds): Likewise.
16080         (chkp_maybe_copy_and_register_bounds): Likewise.
16081         (chkp_build_returned_bound): Likewise.
16082         (chkp_get_bound_for_parm): Likewise.
16083         (chkp_build_bndldx): Likewise.
16084         (chkp_get_bounds_by_definition): Likewise.
16085         (chkp_generate_extern_var_bounds): Likewise.
16086         (chkp_get_bounds_for_decl_addr): Likewise.
16087         * tree-chrec.c (chrec_apply): Likewise.
16088         * tree-data-ref.c (dump_data_reference): Likewise.
16089         (dump_subscript): Likewise.
16090         (dump_data_dependence_relation): Likewise.
16091         (analyze_overlapping_iterations): Likewise.
16092         * tree-inline.c (expand_call_inline): Likewise.
16093         (tree_function_versioning): Likewise.
16094         * tree-into-ssa.c (dump_defs_stack): Likewise.
16095         (dump_currdefs): Likewise.
16096         (dump_names_replaced_by): Likewise.
16097         (dump_update_ssa): Likewise.
16098         (update_ssa): Likewise.
16099         * tree-object-size.c (pass_object_sizes::execute): Likewise.
16100         * tree-parloops.c (build_new_reduction): Likewise.
16101         (try_create_reduction_list): Likewise.
16102         (ref_conflicts_with_region): Likewise.
16103         (oacc_entry_exit_ok_1): Likewise.
16104         (oacc_entry_exit_single_gang): Likewise.
16105         * tree-pretty-print.h: Likewise.
16106         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
16107         (get_scalar_evolution): Likewise.
16108         (add_to_evolution): Likewise.
16109         (get_loop_exit_condition): Likewise.
16110         (analyze_evolution_in_loop): Likewise.
16111         (analyze_initial_condition): Likewise.
16112         (analyze_scalar_evolution): Likewise.
16113         (instantiate_scev): Likewise.
16114         (number_of_latch_executions): Likewise.
16115         (gather_chrec_stats): Likewise.
16116         (final_value_replacement_loop): Likewise.
16117         (scev_const_prop): Likewise.
16118         * tree-sra.c (dump_access): Likewise.
16119         (disqualify_candidate): Likewise.
16120         (create_access): Likewise.
16121         (reject): Likewise.
16122         (maybe_add_sra_candidate): Likewise.
16123         (create_access_replacement): Likewise.
16124         (analyze_access_subtree): Likewise.
16125         (analyze_all_variable_accesses): Likewise.
16126         (sra_modify_assign): Likewise.
16127         (initialize_constant_pool_replacements): Likewise.
16128         (find_param_candidates): Likewise.
16129         (decide_one_param_reduction): Likewise.
16130         (replace_removed_params_ssa_names): Likewise.
16131         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
16132         * tree-ssa-copy.c (dump_copy_of): Likewise.
16133         (copy_prop_visit_cond_stmt): Likewise.
16134         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
16135         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
16136         (record_equivalences_from_stmt): Likewise.
16137         * tree-ssa-dse.c (compute_trims): Likewise.
16138         (delete_dead_call): Likewise.
16139         (delete_dead_assignment): Likewise.
16140         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
16141         (forward_propagate_into_cond): Likewise.
16142         (pass_forwprop::execute): Likewise.
16143         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
16144         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
16145         Likewise.
16146         (move_computations_worker): Likewise.
16147         (execute_sm): Likewise.
16148         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
16149         (remove_exits_and_undefined_stmts): Likewise.
16150         (remove_redundant_iv_tests): Likewise.
16151         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
16152         (adjust_iv_update_pos): Likewise.
16153         * tree-ssa-math-opts.c (bswap_replace): Likewise.
16154         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
16155         (value_replacement): Likewise.
16156         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
16157         * tree-ssa-pre.c (print_pre_expr): Likewise.
16158         (get_representative_for): Likewise.
16159         (create_expression_by_pieces): Likewise.
16160         (insert_into_preds_of_block): Likewise.
16161         (eliminate_insert): Likewise.
16162         (eliminate_dom_walker::before_dom_children): Likewise.
16163         (eliminate): Likewise.
16164         (remove_dead_inserted_code): Likewise.
16165         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
16166         * tree-ssa-reassoc.c (get_rank): Likewise.
16167         (eliminate_duplicate_pair): Likewise.
16168         (eliminate_plus_minus_pair): Likewise.
16169         (eliminate_not_pairs): Likewise.
16170         (undistribute_ops_list): Likewise.
16171         (eliminate_redundant_comparison): Likewise.
16172         (update_range_test): Likewise.
16173         (optimize_range_tests_var_bound): Likewise.
16174         (optimize_vec_cond_expr): Likewise.
16175         (rewrite_expr_tree): Likewise.
16176         (rewrite_expr_tree_parallel): Likewise.
16177         (linearize_expr): Likewise.
16178         (break_up_subtract): Likewise.
16179         (linearize_expr_tree): Likewise.
16180         (attempt_builtin_powi): Likewise.
16181         (attempt_builtin_copysign): Likewise.
16182         (transform_stmt_to_copy): Likewise.
16183         (transform_stmt_to_multiply): Likewise.
16184         (dump_ops_vector): Likewise.
16185         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
16186         (print_scc): Likewise.
16187         (set_ssa_val_to): Likewise.
16188         (visit_reference_op_store): Likewise.
16189         (visit_use): Likewise.
16190         (sccvn_dom_walker::before_dom_children): Likewise.
16191         (run_scc_vn): Likewise.
16192         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
16193         Likewise.
16194         (expr_hash_elt::print): Likewise.
16195         (const_and_copies::pop_to_marker): Likewise.
16196         (const_and_copies::record_const_or_copy_raw): Likewise.
16197         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
16198         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
16199         (dump_predicates): Likewise.
16200         (find_uninit_use): Likewise.
16201         (warn_uninitialized_phi): Likewise.
16202         (pass_late_warn_uninitialized::execute): Likewise.
16203         * tree-ssa.c (verify_vssa): Likewise.
16204         (verify_ssa): Likewise.
16205         (maybe_optimize_var): Likewise.
16206         * tree-vrp.c (dump_value_range): Likewise.
16207         (dump_all_value_ranges): Likewise.
16208         (dump_asserts_for): Likewise.
16209         (register_edge_assert_for_2): Likewise.
16210         (vrp_visit_cond_stmt): Likewise.
16211         (vrp_visit_switch_stmt): Likewise.
16212         (vrp_visit_stmt): Likewise.
16213         (vrp_visit_phi_node): Likewise.
16214         (simplify_cond_using_ranges_1): Likewise.
16215         (fold_predicate_in): Likewise.
16216         (evrp_dom_walker::before_dom_children): Likewise.
16217         (evrp_dom_walker::push_value_range): Likewise.
16218         (evrp_dom_walker::pop_value_range): Likewise.
16219         (execute_early_vrp): Likewise.
16220
16221 2017-05-16  Richard Biener  <rguenther@suse.de>
16222
16223         * dwarf2out.c (loc_list_from_tree_1): Do not create
16224         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
16225
16226 2017-05-16  Richard Biener  <rguenther@suse.de>
16227
16228         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
16229         just generated.
16230         (note_variable_value_in_expr): If we resolved the decl ref
16231         do not push to the stack.
16232
16233 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
16234
16235         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
16236         operations in fast-math mode.
16237         (vaddq_f16): Likewise.
16238         (vmul_f16): Likewise.
16239         (vmulq_f16): Likewise.
16240         (vsub_f16): Likewise.
16241         (vsubq_f16): Likewise.
16242         * config/arm/neon.md (add<mode>3): New.
16243         (sub<mode>3): New.
16244         (fma:<VH:mode>3): New.  Also remove outdated comment.
16245         (mul<mode>3): New.
16246
16247 2017-05-16  Martin Liska  <mliska@suse.cz>
16248
16249         PR ipa/79849.
16250         PR ipa/79850.
16251         * ipa-devirt.c (warn_types_mismatch): Fix typo.
16252         (odr_types_equivalent_p): Likewise.
16253
16254 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
16255
16256         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
16257
16258 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
16259
16260         PR target/80425
16261         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
16262         non-interunit SSE move alternatives with '?'.
16263         (zero-extendsidi peephole2): New peephole to skip intermediate
16264         general register in SSE zero-extend sequence.
16265
16266 2017-05-15  Jeff Law  <law@redhat.com>
16267
16268         * reorg.c (relax_delay_slots): Create a new variable to hold
16269         the temporary target rather than clobbering TARGET_LABEL.
16270
16271         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
16272         missing argument to extract_bit_field call.
16273         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
16274
16275 2017-05-15  Martin Liska  <mliska@suse.cz>
16276
16277         PR driver/31468
16278         * gcc.c (process_command): Do not allow empty argument of -o option.
16279
16280 2017-05-15  Renlin Li  <renlin.li@arm.com>
16281
16282         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
16283         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
16284         * config/aarch64/constraints.md (Usf): Add long call check.
16285         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
16286         (call_value): Likewise.
16287         (sibcall): Likewise.
16288         (sibcall_value): Likewise.
16289         (call_insn): New.
16290         (call_value_insn): New.
16291         (sibcall_insn): Update rtx pattern.
16292         (sibcall_value_insn): Likewise.
16293         (call_internal): Remove.
16294         (call_value_internal): Likewise.
16295         (sibcall_internal): Likewise.
16296         (sibcall_value_internal): Likewise.
16297         (call_reg): Likewise.
16298         (call_symbol): Likewise.
16299         (call_value_reg): Likewise.
16300         (call_value_symbol): Likewise.
16301
16302 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
16303
16304         PR target/80600
16305         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
16306
16307 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
16308
16309         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
16310         compatible with CCGOCmode and with CCZmode.
16311
16312 2017-05-14  Martin Sebor  <msebor@redhat.com>
16313
16314         PR middle-end/77671
16315         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
16316         (gimple_fold_builtin_snprintf): Same.
16317         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
16318         (gimple_fold_builtin_snprintf): Same.
16319         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
16320         of character types.
16321         (is_call_safe): New function.
16322         (try_substitute_return_value): Call it.
16323         (try_simplify_call): New function.
16324         (pass_sprintf_length::handle_gimple_call): Call it.
16325
16326 2017-05-14  Martin Sebor  <msebor@redhat.com>
16327
16328         PR middle-end/80669
16329         * builtins.c (expand_builtin_stpncpy): Simplify.
16330
16331 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
16332
16333         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
16334         * config/i386/i386.h
16335         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
16336         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
16337         (struct machine_function): Add new members call_ms2sysv,
16338         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
16339         (struct machine_frame_state): New fields sp_realigned and
16340         sp_realigned_offset.
16341         * config/i386/i386.c
16342         (enum xlogue_stub): New enum.
16343         (enum xlogue_stub_sets): New enum.
16344         (class xlogue_layout): New class.
16345         (struct ix86_frame): New fields stack_realign_allocate_offset,
16346         stack_realign_offset and outlined_save_offset.  Modify comments to
16347         detail stack layout when using out-of-line stubs.
16348         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
16349         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
16350         -mcall-ms2sysv-xlogues.
16351         (stub_managed_regs): New static variable.
16352         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
16353         registers managed by out-of-line stub.
16354         (disable_call_ms2sysv_xlogues): New function.
16355         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
16356         m->call_ms2sysv when appropriate and compute frame layout for
16357         out-of-line stubs.
16358         (sp_valid_at, fp_valid_at): New inline functions.
16359         (choose_basereg): New function.
16360         (choose_baseaddr): Add align parameter, use choose_basereg and modify
16361         all callers.
16362         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
16363         Use align parameter of choose_baseaddr to generated aligned SSE movs
16364         when possible.
16365         (pro_epilogue_adjust_stack): Modify to track
16366         machine_frame_state::sp_realigned.
16367         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
16368         (ix86_nsaved_sseregs): Likewise.
16369         (ix86_emit_save_regs): Likewise.
16370         (ix86_emit_save_regs_using_mov): Likewise.
16371         (ix86_emit_save_sse_regs_using_mov): Likewise.
16372         (get_scratch_register_on_entry): Likewise.
16373         (gen_frame_set): New function.
16374         (gen_frame_load): Likewise.
16375         (gen_frame_store): Likewise.
16376         (emit_outlined_ms2sysv_save): Likewise.
16377         (emit_outlined_ms2sysv_restore): Likewise.
16378         (ix86_expand_prologue): Modify stack re-alignment code and call
16379         emit_outlined_ms2sysv_save when appropriate.
16380         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
16381         parameter rtx_insn *insn, which allows the function to be used to only
16382         generate the notes.
16383         (ix86_expand_epilogue): Modify validity checks of frame and stack
16384         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
16385         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
16386         * config/i386/predicates.md
16387         (save_multiple): New predicate.
16388         (restore_multiple): Likewise.
16389         * config/i386/sse.md
16390         (save_multiple<mode>): New pattern.
16391         (save_multiple_realign<mode>): Likewise.
16392         (restore_multiple<mode>): Likewise.
16393         (restore_multiple_and_return<mode>): Likewise.
16394         (restore_multiple_leave_return<mode>): Likewise.
16395         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
16396
16397 2017-05-14  Julia Koval  <julia.koval@intel.com>
16398
16399         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
16400         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
16401         (__builtin_ia32_xsetbv): New builtins.
16402         * config/i386/i386.c (ix86_expand_special_args_builtin):
16403         Process new types.
16404         (ix86_expand_builtin): Special expand for new intrinsics.
16405         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
16406         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
16407         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
16408
16409 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16410
16411         * cfganal.c (inverted_post_order_compute): Change argument type
16412         to vec *.
16413         * cfganal.h (inverted_post_order_compute): Adjust prototype.
16414         * df-core.c (rest_of_handle_df_initialize): Adjust.
16415         (rest_of_handle_df_finish): Likewise.
16416         (df_analyze_1): Likewise.
16417         (df_analyze): Likewise.
16418         (loop_inverted_post_order_compute): Change argument to be a vec *.
16419         (df_analyze_loop): Adjust.
16420         (df_get_n_blocks): Likewise.
16421         (df_get_postorder): Likewise.
16422         * df.h (struct df_d): Change field to be a vec.
16423         * lcm.c (compute_laterin): Adjust.
16424         (compute_available): Likewise.
16425         * lra-lives.c (lra_create_live_ranges_1): Likewise.
16426         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16427         * tree-ssa-pre.c (compute_antic): Likewise.
16428
16429 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16430
16431         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
16432         (depth_first_search::depth_first_search): Change structure init
16433         function to this constructor.
16434         (depth_first_search::add_bb): Rename function to this member.
16435         (depth_first_search::execute): Likewise.
16436         (flow_dfs_compute_reverse_finish): Adjust.
16437
16438 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16439
16440         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
16441         (longest_simple_path): Likewise.
16442         * shrink-wrap.c (spread_components): Likewise.
16443         (disqualify_problematic_components): Likewise.
16444         (emit_common_heads_for_components): Likewise.
16445         (emit_common_tails_for_components): Likewise.
16446         (insert_prologue_epilogue_for_components): Likewise.
16447
16448 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16449
16450         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
16451         auto_sbitmap.
16452
16453 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16454
16455         * df-core.c (df_set_blocks): Start using auto_bitmap.
16456         (df_compact_blocks): Likewise.
16457         * df-problems.c (df_rd_confluence_n): Likewise.
16458         * df-scan.c (df_insn_rescan_all): Likewise.
16459         (df_process_deferred_rescans): Likewise.
16460         (df_update_entry_block_defs): Likewise.
16461         (df_update_exit_block_uses): Likewise.
16462         (df_entry_block_bitmap_verify): Likewise.
16463         (df_exit_block_bitmap_verify): Likewise.
16464         (df_scan_verify): Likewise.
16465         * lra-constraints.c (lra_constraints): Likewise.
16466         (undo_optional_reloads): Likewise.
16467         (lra_undo_inheritance): Likewise.
16468         * lra-remat.c (calculate_gen_cands): Likewise.
16469         (do_remat): Likewise.
16470         * lra-spills.c (assign_spill_hard_regs): Likewise.
16471         (spill_pseudos): Likewise.
16472         * tree-ssa-pre.c (bitmap_set_and): Likewise.
16473         (bitmap_set_subtract_values): Likewise.
16474
16475 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16476
16477         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
16478         management with auto_bitmap.
16479         (fix_inter_tick): Likewise.
16480         (fix_recovery_deps): Likewise.
16481         * ira.c (add_store_equivs): Likewise.
16482         (find_moveable_pseudos): Likewise.
16483         (split_live_ranges_for_shrink_wrap): Likewise.
16484         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
16485         (rtx_reuse_manager::seen_def_p): Likewise.
16486         (rtx_reuse_manager::set_seen_def): Likewise.
16487         * print-rtl.h (class rtx_reuse_manager): Likewise.
16488
16489 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16490
16491         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
16492         lifetime.
16493         (migrate_btr_def): Likewise.
16494         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
16495         * df-core.c (loop_post_order_compute): Likewise.
16496         (loop_inverted_post_order_compute): Likewise.
16497         * hsa-common.h: Likewise.
16498         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
16499         * init-regs.c (initialize_uninitialized_regs): Likewise.
16500         * ipa-inline.c (resolve_noninline_speculation): Likewise.
16501         (inline_small_functions): Likewise.
16502         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
16503         * ira.c (combine_and_move_insns): Likewise.
16504         (build_insn_chain): Likewise.
16505         * loop-invariant.c (find_invariants): Likewise.
16506         * lower-subreg.c (propagate_pseudo_copies): Likewise.
16507         * predict.c (tree_predict_by_opcode): Likewise.
16508         (predict_paths_leading_to): Likewise.
16509         (predict_paths_leading_to_edge): Likewise.
16510         (estimate_loops_at_level): Likewise.
16511         (estimate_loops): Likewise.
16512         * shrink-wrap.c (try_shrink_wrapping): Likewise.
16513         (spread_components): Likewise.
16514         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
16515         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
16516         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
16517         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
16518         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
16519         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16520         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
16521         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
16522         (mark_threaded_blocks): Likewise.
16523         (thread_through_all_blocks): Likewise.
16524         * tree-ssa.c (verify_ssa): Likewise.
16525         (execute_update_addresses_taken): Likewise.
16526         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
16527
16528 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16529
16530         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
16531         auto_vec.
16532         (post_order_compute): Likewise.
16533         (inverted_post_order_compute): Likewise.
16534         (pre_and_rev_post_order_compute_fn): Likewise.
16535
16536 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16537
16538         * genrecog.c (int_set::int_set): Explicitly construct our
16539         auto_vec base class.
16540         * vec.h (auto_vec::auto_vec): New constructor.
16541
16542 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16543
16544         * bitmap.h (class auto_bitmap): New constructor taking
16545         bitmap_obstack * argument.
16546
16547 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
16548
16549         * bitmap.h (class auto_bitmap): Change type of m_bits to
16550         bitmap_head, and adjust ctor / dtor and member operators.
16551
16552 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
16553
16554         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
16555         when returned register mode doesn't match original mode.
16556
16557 2017-05-12  Jeff Law  <law@redhat.com>
16558             Jakub Jelinek  <jakub@redhat.com>
16559
16560         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
16561         we look for cc setter after the compare-elim changes.
16562         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
16563         within the vector to match what compare-elim now expects.
16564         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
16565         (xorsi3_flags, one_cmplsi2_flags): Likewise.
16566
16567         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
16568         after the compare-elim changes.
16569         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
16570         the vector to match what compare-elim now expects.
16571         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
16572         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
16573         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
16574         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
16575         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
16576
16577         * config/visium/visium.c (single_set_and_flags): Fix where
16578         we look for cc setter after the compare-elim changes.
16579         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
16580         with the vector to match what compare-elim now expects.
16581         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
16582         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
16583         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
16584         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
16585         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
16586         (neg<mode>2_insn_set_overflow): Likewise.
16587
16588 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
16589
16590         PR middle-end/79794
16591         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
16592         maybe_expand_insn call, set ops[0].target.  If still set after call,
16593         set alt_rtl.  Add extra arg to recursive calls.
16594         (extract_bit_field): Add alt_rtl argument.  Pass to
16595         extract_bit_field.
16596         * expmed.h (extract_bit_field): Fix prototype.
16597         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
16598         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
16599         to extract_bit_field_calls.
16600         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
16601         Pass alt_rtl to extract_bit_field calls.
16602         * calls.c (store_unaligned_arguments_into_psuedos)
16603         load_register_parameters): Pass extra NULL to extract_bit_field calls.
16604         * optabs.c (maybe_legitimize_operand): Clear op->target when call
16605         gen_reg_rtx.
16606         * optabs.h (struct expand_operand): Add target bitfield.
16607
16608 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
16609
16610         * compare-elim.c (try_eliminate_compare): Canonicalize
16611         operation with embedded compare to
16612         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
16613          (set (reg) (operation)].
16614
16615         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
16616
16617 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
16618
16619         PR target/80723
16620         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
16621         cost of adding a carry flag for ADC instruction.
16622         [case MINUS]: Ignore the cost of subtracting a carry flag
16623         for SBB instruction.
16624
16625 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
16626
16627         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
16628         and x86intrin.h
16629         * config/rs6000/bmiintrin.h: New file.
16630         * config/rs6000/bmi2intrin.h: New file.
16631         * config/rs6000/x86intrin.h: New file.
16632
16633 2017-05-12  Jeff Law  <law@redhat.com>
16634
16635         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
16636         markers.
16637
16638 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
16639
16640         PR middle-end/80707
16641         * tree-cfg.c: Remove cfg edges of unreachable case statements.
16642
16643 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16644
16645         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
16646         early expansion of vector divide builtins.
16647         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
16648         builtins identified as having unsigned arguments.
16649
16650 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16651
16652         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
16653         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
16654         expansion of vector logical operations (and, andc, or, xor,
16655         nor, orc, nand).
16656
16657 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16658
16659         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
16660         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
16661
16662 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16663
16664         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
16665         early GIMPLE expansion of vector multiplies.
16666
16667 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16668
16669         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
16670         TARGET_HAVE_MOVT conditional.
16671         (movt splitter): Likewise.
16672
16673 2017-05-12  Richard Biener  <rguenther@suse.de>
16674
16675         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
16676         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16677         Fold all stmts not inplace.
16678
16679 2017-05-12  Richard Biener  <rguenther@suse.de>
16680
16681         PR tree-optimization/80713
16682         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
16683         inserted_exprs bit for not removed stmts.
16684
16685 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
16686
16687         PR middle-end/69921
16688         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
16689         parallelized" attribute for parallelized OpenACC kernels.
16690         * omp-offload.c (execute_oacc_device_lower): Use it.
16691
16692         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
16693         Set "oacc kernels" attribute.
16694         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
16695         parameter.  Adjust all users.
16696         (oacc_fn_attrib_kernels_p): Remove function.
16697         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
16698         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
16699         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
16700         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
16701         assert "oacc kernels" attribute is set.
16702
16703 2017-05-11  Carl Love  <cel@us.ibm.com>
16704
16705         * config/rs6000/rs6000-c: Add support for built-in functions
16706         vector unsigned char vec_popcnt (vector signed char)
16707         vector unsigned char vec_popcnt (vector unsigned char)
16708         vector unsigned short vec_popcnt (vector signed short)
16709         vector unsigned short vec_popcnt (vector unsigned short)
16710         vector unsigned int vec_popcnt (vector signed int)
16711         vector unsigned int vec_popcnt (vector unsigned int)
16712         vector unsigned long long vec_popcnt (vector signed long long)
16713         vector unsigned long long vec_popcnt (vector unsigned long long)
16714         vector signed long long vec_slo (vector signed long long,
16715                                          vector signed char)
16716         vector signed long long vec_slo (vector signed long long,
16717                                          vector unsigned char)
16718         vector unsigned long long vec_slo (vector unsigned long long,
16719                                            vector signed char)
16720         vector unsigned long long vec_slo (vector unsigned long long,
16721                                            vector unsigned char)
16722         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
16723         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
16724         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
16725         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
16726         * doc/extend.texi: Update the built-in documentation file for the
16727         new built-in functions.
16728
16729 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
16730
16731         * attribs.h (sorted_attr_string): Move machine independent
16732         functions for target clone support from the i386 port to common
16733         code.  Rename ix86_function_versions to common_function_versions.
16734         Rename make_name to make_unique_name.
16735         (common_function_versions): Likewise.
16736         (make_unique_name): Likewise.
16737         (make_dispatcher_decl): Likewise.
16738         (is_function_default_version): Likewise.
16739         * attribs.c (attr_strcmp): Likewise.
16740         (sorted_attr_string): Likewise.
16741         (common_function_versions): Likewise.
16742         (make_unique_name): Likewise.
16743         (make_dispatcher_decl): Likewise.
16744         (is_function_default_version): Likewise.
16745         * config/i386/i386.c (attr_strcmp): Likewise.
16746         (sorted_attr_string): Likewise.
16747         (ix86_function_versions): Likewise.
16748         (make_name): Likewise.
16749         (make_dispatcher_decl): Likewise.
16750         (is_function_default_version): Likewise.
16751         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
16752
16753 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16754
16755         PR target/80695
16756         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
16757         Account for direct move costs for vec_construct of integer
16758         vectors.
16759
16760 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
16761
16762         PR target/80706
16763         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
16764         (UNSPEC_STX_ATOMIC): Ditto.
16765         (loaddi_via_sse): New insn.
16766         (storedi_via_sse): Ditto.
16767         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
16768         Update corresponding peephole2 patterns.
16769         (atomic_storedi_fpu): Ditto.
16770
16771 2017-05-11  Julia Koval  <julia.koval@intel.com>
16772
16773         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
16774         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
16775         New intrinsics.
16776         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
16777         (__builtin_ia32_rsqrt14ss_mask): New builtins.
16778         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
16779
16780 2017-05-11  Nathan Sidwell  <nathan@acm.org>
16781
16782         * graphite-poly.c: Include dumpfile.h.
16783
16784         * dumpfle.h (dump_function): Declare here ...
16785         * tree-dump.h (dump_function): ... not here.
16786         * dumpfile.c: #include tree-cfg.h.
16787         (dump_function): Move here from ...
16788         * tree-dump.c (dump_function): ... here.
16789         * gimplify.c: #include splay-tree.h, not tree-dump.h.
16790         * graphite-poly.c: Don't include tree-dump.h.
16791         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
16792         * print-tree.c: Likewise.
16793         * stor-layout.c: Likewise.
16794         * tree-nested.c: Likewise.
16795
16796         * dumpfile.c (dump_start): Use TDF_FLAGS.
16797         (dump_enable_all): Fix TDF_KIND check thinko.
16798
16799 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16800
16801         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
16802         array entries to represent two legal parameterizations of the
16803         overloaded __builtin_cmpb function, as represented by the
16804         P6_OV_BUILTIN_CMPB constant.
16805         (altivec_resolve_overloaded_builtin): Add special case handling
16806         for the __builtin_cmpb function, as represented by the
16807         P6_OV_BUILTIN_CMPB constant.
16808         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
16809         (BU_P6_64BIT_2): New macro.
16810         (BU_P6_OVERLOAD_2): New macro
16811         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
16812         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
16813         (CMPB): Add overload support to represent both 32-bit and 64-bit
16814         compare-bytes function.
16815         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
16816         support for TARGET_CMPB.
16817         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
16818         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
16819         documentation of the __builtin_cmpb overloaded built-in function.
16820
16821 2017-05-11  Richard Biener  <rguenther@suse.de>
16822
16823         PR tree-optimization/80705
16824         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
16825         bases are not vectorizable.
16826
16827 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16828
16829         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
16830         when counting register pressure.
16831
16832 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16833
16834         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
16835         (iv_ca_more_deps): Renamed to ...
16836         (iv_ca_compare_deps): ... this.
16837         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
16838
16839 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16840
16841         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
16842         to ...
16843         (determine_group_iv_costs): ... here.
16844         (find_inv_vars_cb): Record inv var if it's not recorded before.
16845
16846 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16847
16848         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
16849         (get_shiftadd_cost): Ditto.
16850
16851 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16852
16853         * tree-ssa-address.c: Include header file.
16854         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
16855         address.
16856         (add_to_parts): Refactor.
16857         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
16858         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
16859         in new order.
16860
16861 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16862
16863         PR tree-optimization/53090
16864         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
16865         COMP_IV_EXPR_2.
16866         (extract_cond_operands): Detect condition with IV on both sides
16867         and return COMP_IV_EXPR_2.
16868         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
16869         (rewrite_use_compare): Simplify by removing call to function
16870         extract_cond_operands.
16871
16872 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16873
16874         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
16875         (extract_cond_operands): Detect condition comparing against non-
16876         invariant bound and return appropriate enum value.
16877         (find_interesting_uses_cond): Update use of extract_cond_operands.
16878         Handle its return value accordingly.
16879         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
16880
16881 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16882
16883         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
16884         nonlinear iv_use computation in loop invariant sensitive way.
16885
16886 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16887
16888         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
16889         (find_iv_candidates): Call relate_compare_use_with_all_cands.
16890
16891 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16892
16893         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
16894         (dump_cand): Support iv_cand.inv_exprs.
16895         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
16896         for candidates.
16897         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
16898         iv_cand.inv_exprs.
16899
16900 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16901
16902         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
16903         from ...
16904         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
16905         as local function.  Include necessary header files.
16906         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
16907
16908 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16909
16910         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
16911
16912 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16913
16914         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
16915         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
16916         RSHIFT_EXPR and BIT_NOT_EXPR.
16917
16918 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16919
16920         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
16921         (adjust_setup_cost): New parameter supporting round up adjustment.
16922         (struct address_cost_data): Delete.
16923         (force_expr_to_var_cost): Don't bound cost with spill_cost.
16924         (split_address_cost, ptr_difference_cost): Delete.
16925         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
16926         (struct ainc_cost_data): New struct.
16927         (get_address_cost_ainc): New function.
16928         (get_address_cost, get_computation_cost): Reimplement.
16929         (determine_group_iv_cost_address): Record inv_expr for all uses of
16930         a group.
16931         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
16932         (iv_ca_has_deps): Reimplemented to ...
16933         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
16934         than OLD_CP.
16935         (iv_ca_extend): Call iv_ca_more_deps.
16936
16937 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16938
16939         * tree-ssa-address.c (struct mem_address): Move to header file.
16940         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
16941         * tree-ssa-address.h (struct mem_address): Move from C file.
16942         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
16943
16944 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16945
16946         * tree-affine.h (aff_combination_type): New interface.
16947         (aff_combination_zero_p): Remove static.
16948         (aff_combination_const_p): New interface.
16949         (aff_combination_singleton_var_p): New interfaces.
16950
16951 2017-05-11  Richard Biener  <rguenther@suse.de>
16952
16953         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16954         Skip unreachable blocks and destinations.
16955         (eliminate): Move stmt removal and fixup ...
16956         (fini_eliminate): ... here.  Skip inserted exprs.
16957         (pass_pre::execute): Move fini_pre after fini_eliminate.
16958         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
16959         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
16960         PRE to get rid of dead code that has invalid SSA form and
16961         split critical edges again.
16962
16963 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16964
16965         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16966
16967 2017-05-11  Richard Biener  <rguenther@suse.de>
16968
16969         * passes.c (execute_function_todo): Verify loops if they are
16970         said to be up-to-date.
16971         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
16972         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
16973
16974 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
16975
16976         PR target/80090
16977         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
16978         handle calling assemble_external ourself.
16979
16980         PR target/79027
16981         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
16982         modes with zero size.  Enhance comment.
16983
16984 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16985
16986         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
16987         built-ins for vec_xl and vec_xst with short and char pointer
16988         arguments.
16989
16990 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16991
16992         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
16993         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
16994         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
16995         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
16996         (_mm_maskz_min_round_ss): New intrinsics.
16997         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
16998         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
16999         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
17000         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
17001         (__builtin_ia32_minss_mask_round): New builtins.
17002         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17003         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17004         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
17005         Rename to ...
17006         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
17007         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
17008         Change to ...
17009         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
17010         ... this.
17011
17012 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
17013
17014         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
17015         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
17016         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
17017         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
17018         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
17019         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
17020         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
17021         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17022         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
17023         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
17024         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
17025         (__builtin_ia32_mulss_mask_round): New builtins.
17026         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17027         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17028         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
17029         Rename to ...
17030         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
17031         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
17032         Change to ...
17033         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
17034         ... this.
17035
17036 2017-05-10  Julia Koval  <julia.koval@intel.com>
17037
17038         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
17039         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
17040         (_mm256_setr_m128i): New intrinsics.
17041
17042 2017-05-10  Julia Koval  <julia.koval@intel.com>
17043
17044         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
17045         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
17046         (_mm_maskz_rcp14_ss): New intrinsics.
17047         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
17048         (__builtin_ia32_rcp14ss_mask): New builtins.
17049         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
17050
17051 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
17052
17053         PR tree-optimization/51513
17054         * tree-cfg.c (gimple_seq_unreachable_p): New function.
17055         (assert_unreachable_fallthru_edge_p): Use it.
17056         (group_case_labels_stmt): Likewise.
17057         * tree-cfg.h: Prototype it.
17058         * stmt.c: Include cfghooks.h and tree-cfg.h.
17059         (emit_case_dispatch_table) <gap_label>: New local variable.
17060         Use it to fill dispatch table gaps.
17061         Test for default_label before updating probabilities.
17062         (expand_case) <default_label>: Remove unneeded initialization.
17063         Test for unreachable default case statement and remove its edge.
17064         Set default_label accordingly.
17065         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
17066
17067 2017-05-10  Carl Love  <cel@us.ibm.com>
17068
17069         * config/rs6000/rs6000-c: Add support for built-in functions
17070         vector signed char      vec_neg (vector signed char)
17071         vector signed short int vec_neg (vector short int)
17072         vector signed int       vec_neg (vector signed int)
17073         vector signed long long vec_neg (vector signed long long)
17074         vector float            vec_neg (vector float)
17075         vector double           vec_neg (vector double)
17076         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
17077         overload.
17078         * config/rs6000/altivec.h: Add define for vec_neg
17079         * doc/extend.texi: Update the built-in documentation for the
17080         new built-in functions.
17081
17082 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17083
17084         PR tree-optimization/77644
17085         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
17086
17087 2017-05-10  Nathan Sidwell  <nathan@acm.org>
17088
17089         * dumpfile.h (TDI_lang_all): New.
17090         (TDF_KIND): New. Renumber others
17091         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
17092         than bits.
17093         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
17094         lang-all.
17095         (get_dump_file_name): Adjust suffix generation.
17096         (dump_enable_all): Use TDF_KIND.
17097         * doc/invoke.texi (-fdump-lang-all): Document.
17098
17099         * dumpfile.h: Tabify.
17100
17101 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
17102
17103         PR target/80671
17104         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
17105         Move member access before delete.
17106
17107 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
17108
17109         * tree-inline.c (expand_call_inline): Split block at stmt
17110         before the call.
17111
17112 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
17113
17114         PR target/68163
17115         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
17116         are now unused after splitting mov{sf,sd}_hardfloat.
17117         (f32_lr2): Likewise.
17118         (f32_lm): Likewise.
17119         (f32_lm2): Likewise.
17120         (f32_li): Likewise.
17121         (f32_li2): Likewise.
17122         (f32_lv): Likewise.
17123         (f32_sr): Likewise.
17124         (f32_sr2): Likewise.
17125         (f32_sm): Likewise.
17126         (f32_sm2): Likewise.
17127         (f32_si): Likewise.
17128         (f32_si2): Likewise.
17129         (f32_sv): Likewise.
17130         (f32_dm): Likewise.
17131         (f32_vsx): Likewise.
17132         (f32_av): Likewise.
17133         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
17134         For movsf, order stores so the VSX stores occur before the GPR
17135         store which encourages the register allocator to use a traditional
17136         FPR instead of a GPR.  For movsd, order the stores so that the GPR
17137         store comes before the VSX stores to allow the power6 to work.
17138         This is due to the power6 not having a 32-bit integer store
17139         instruction from a FPR.
17140         (movsf_hardfloat): Likewise.
17141         (movsd_hardfloat): Likewise.
17142
17143 2017-05-09  Martin Sebor  <msebor@redhat.com>
17144
17145         PR translation/80280
17146         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
17147         added in r247778.
17148
17149         PR translation/80280
17150         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
17151         data member added in r247778.
17152         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
17153
17154 2017-05-09  Nathan Sidwell  <nathan@acm.org>
17155
17156         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
17157
17158         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
17159         typedefs.
17160
17161 2017-05-09  Marek Polacek  <polacek@redhat.com>
17162
17163         * doc/invoke.texi: Fix typo.
17164
17165 2017-05-09  Richard Biener  <rguenther@suse.de>
17166
17167         * tree-vrp.c (vrp_val_is_max): Adjust comment.
17168         (vrp_val_is_min): Likewise.
17169         (set_value_range_to_value): Likewise.
17170         (set_value_range_to_nonnegative): Likewise.
17171         (gimple_assign_nonzero_p): Likewise.
17172         (gimple_stmt_nonzero_p): Likewise.
17173         (vrp_int_const_binop): Likewise.  Remove unreachable case.
17174         (adjust_range_with_scev): Adjust comments.
17175         (compare_range_with_value): Likewise.
17176         (extract_range_from_phi_node): Likewise.
17177         (test_for_singularity): Likewise.
17178
17179 2017-05-09  Richard Biener  <rguenther@suse.de>
17180
17181         * tree-vrp.c (get_single_symbol): Add assert that we don't
17182         get overflowed constants as invariant part.
17183         (compare_values_warnv): Add comment before the TREE_NO_WARNING
17184         checks.  Use wi::cmp instead of recursing for integer constants.
17185         (compare_values): Just ignore whether we assumed undefined
17186         overflow instead of failing the compare.
17187         (extract_range_for_var_from_comparison_expr): Add comment before the
17188         TREE_NO_WARNING sets.
17189         (test_for_singularity): Likewise.
17190         (extract_range_from_comparison): Do not disable optimization
17191         when we assumed undefined overflow.
17192         (extract_range_basic): Remove init of unused var.
17193
17194 2017-05-09  Richard Biener  <rguenther@suse.de>
17195
17196         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
17197         (extract_range_from_multiplicative_op_1): Adjust.
17198         (extract_range_from_binary_expr_1): Use int_const_binop.
17199
17200 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17201
17202         PR target/80101
17203         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
17204         rs6000_store_data_bypass_p in seven define_bypass directives and
17205         in several comments.
17206         * config/rs6000/rs6000-protos.h: Add prototype for
17207         rs6000_store_data_bypass_p function.
17208         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
17209         function implements slightly different (rs6000-specific) semantics
17210         than store_data_bypass_p, returning false rather than aborting
17211         with assertion error when arguments do not satisfy the
17212         requirements of store data bypass.
17213         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
17214         rs6000_store_data_bypass_p.
17215
17216 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
17217
17218         * config/xtensa/xtensa-protos.h
17219         (xtensa_initial_elimination_offset): New declaration.
17220         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
17221         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
17222         macro definition, add case for FRAME_POINTER_REGNUM when
17223         FRAME_GROWS_DOWNWARD.
17224         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
17225         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
17226         xtensa_initial_elimination_offset.
17227
17228 2017-05-08  Nathan Sidwell  <nathan@acm.org>
17229
17230         * doc/invoke.texi: Alphabetize -fdump options.
17231
17232 2017-05-08  Martin Sebor  <msebor@redhat.com>
17233
17234         PR translation/80280
17235         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
17236
17237 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17238
17239         * target.def (compute_frame_layout): New optional target hook.
17240         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
17241         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
17242         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
17243         target hook.
17244         * reload1.c (verify_initial_elim_offsets): Likewise.
17245         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
17246         (use_simple_return_p): Call arm_compute_frame_layout if needed.
17247         (arm_get_frame_offsets): Split up into this ...
17248         (arm_compute_frame_layout): ... and this function.
17249
17250 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
17251
17252         * config/aarch64/constraints.md (Usa): New constraint.
17253         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
17254
17255 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17256
17257         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
17258         with_multilib_list after it has been checked.
17259
17260 2017-05-08  Richard Biener  <rguenther@suse.de>
17261
17262         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
17263         (bitmap_set_subtract_values): Likewise.
17264
17265 2017-05-08  Richard Biener  <rguenther@suse.de>
17266
17267         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
17268         (gimple_assign_nonzero): ... this and remove strict_overflow_p
17269         argument.
17270         (gimple_stmt_nonzero_warnv_p): Rename to ...
17271         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
17272         argument.
17273         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
17274         (extract_range_basic): Adjust, do not disable propagation on
17275         strict overflow sensitive simplification.
17276         (vrp_visit_cond_stmt): Likewise.
17277
17278 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
17279
17280         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
17281         body size unconditionally.
17282
17283 2017-05-07  Jeff Law  <law@redhat.com>
17284
17285         Revert:
17286         2017-05-06  Jeff Law  <law@redhat.com>
17287         PR tree-optimization/78496
17288         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
17289         code.
17290
17291         PR tree-optimization/78496
17292         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
17293         (simplify_stmt_using_ranges): Call it.
17294         (vrp_dom_walker::before_dom_children): Extract equivalences
17295         from an ASSERT_EXPR with an equality comparison against a
17296         constant.
17297
17298 2017-05-06  Jeff Law  <law@redhat.com>
17299
17300         PR tree-optimization/78496
17301         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
17302         code.
17303
17304         PR tree-optimization/78496
17305         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
17306         (simplify_stmt_using_ranges): Call it.
17307         (vrp_dom_walker::before_dom_children): Extract equivalences
17308         from an ASSERT_EXPR with an equality comparison against a
17309         constant.
17310
17311 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
17312
17313         * lra-constraints.c (lra_copy_reg_equiv): New function.
17314         (split_reg): Use it to copy equivalence information from the
17315         original register to the spill register.
17316
17317 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
17318
17319         PR rtl-optimization/75964
17320         * simplify-rtx.c (simplify_const_relational_operation): Remove
17321         invalid handling of comparisons of integer ABS.
17322
17323 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
17324
17325         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
17326         initialize to zero.
17327         (init_regs): Remove declaration.
17328         (function_arg_advance_32): Initialize error_p as boolean variable.
17329
17330 2017-05-05  Nathan Sidwell  <nathan@acm.org>
17331
17332         * store-motion.c (remove_reachable_equiv_notes): Reformat long
17333         lines.  Use for (;;).
17334
17335 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17336
17337         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
17338         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
17339         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
17340         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
17341         VF=2 that require versioning.
17342
17343 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17344
17345         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
17346         int.
17347
17348 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17349
17350         * diagnostic.h (diagnostic_override_option_index): Convert from
17351         macro to inline function.
17352
17353 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17354
17355         * diagnostic.c (last_module_changed_p): New function.
17356         (set_last_module): New function.
17357         (diagnostic_report_current_module): Convert macro usage to
17358         the above functions.
17359         * diagnostic.h (diagnostic_context::last_module): Strengthen
17360         from const line_map * to const line_map_ordinary *.
17361         (diagnostic_last_module_changed): Delete macro.
17362         (diagnostic_set_last_module): Delete macro.
17363
17364 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17365
17366         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
17367         with diagnostic_report_diagnostic.
17368         (diagnostic_n_impl_richloc): Likewise.
17369         * diagnostic.h (report_diagnostic): Delete macro.
17370         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
17371         with diagnostic_report_diagnostic.
17372         * substring-locations.c (format_warning_va): Likewise.
17373
17374 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17375
17376         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
17377         save/restor of format_spec.  Move option-printing code to...
17378         (print_option_information): ...this new function, and
17379         reimplement by simply printing to the pretty_printer,
17380         rather than appending to the format string.
17381
17382 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
17383
17384         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
17385         handling logic into...
17386         (update_effective_level_from_pragmas): ...this new function.
17387
17388 2017-05-04  Andrew Waterman  <andrew@sifive.com>
17389
17390         * config/riscv/riscv.opt (mstrict-align): New option.
17391         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
17392         (SLOW_UNALIGNED_ACCESS): Define.
17393         (riscv_slow_unaligned_access): Declare.
17394         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
17395         field.
17396         (riscv_slow_unaligned_access): New variable.
17397         (rocket_tune_info): Set slow_unaligned_access to true.
17398         (optimize_size_tune_info): Set slow_unaligned_access to false.
17399         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
17400         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
17401         (riscv_option_override): Set riscv_slow_unaligned_access.
17402         * doc/invoke.texi: Add -mstrict-align to RISC-V.
17403
17404 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
17405
17406         * config/riscv/riscv.md: Unify indentation.
17407
17408 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
17409
17410         PR target/79038
17411         PR target/79202
17412         PR target/79203
17413         * config/rs6000/rs6000.md (u code attribute): Add FIX and
17414         UNSIGNED_FIX.
17415         (extendsi<mode>2): Add support for doing sign extension via
17416         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
17417         don't have ISA 3.0 instructions.
17418         (extendsi<mode>2 splitter): Likewise.
17419         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
17420         generate the normal insns since SImode can now go in vector
17421         registers.  Disallow the special UNSPECs needed for previous
17422         machines to hide SImode being used.  Add new insns
17423         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
17424         (fix_trunc<mode>si2_stfiwx): Likewise.
17425         (fix_trunc<mode>si2_internal): Likewise.
17426         (fixuns_trunc<mode>si2): Likewise.
17427         (fixuns_trunc<mode>si2_stfiwx): Likewise.
17428         (fctiw<u>z_<mode>_smallint): Likewise.
17429         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
17430         of floating point to 32-bit integer from doing a direct move to
17431         the GPR registers to do a store.
17432         (fctiwz_<mode>): Break long line.
17433
17434 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
17435
17436         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
17437         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
17438         (addr_list, addr_offset_valid_p): New.
17439         (split_address_groups): Check offset validity with above function.
17440         (gt-tree-ssa-loop-ivopts.h): Include header file.
17441
17442 2017-05-05  Nathan Sidwell  <nathan@acm.org>
17443
17444         * config.gcc (arm*-*-*): Add missing 'fi'.
17445
17446 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
17447
17448         * doc/invoke.texi (-fopt-info): Explicitly say order of options
17449         included in -fopt-info does not matter.
17450         * doc/optinfo.texi (-fopt-info): Fix description of default
17451         behavour. Explicitly say order of options included in -fopt-info
17452         does not matter.
17453
17454 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17455
17456         * config.gcc: Allow combinations of aprofile and rmprofile values for
17457         --with-multilib-list.
17458         * config/arm/t-multilib: New file.
17459         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
17460         variables.  Remove setting of ISA and floating-point ABI in
17461         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
17462         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
17463         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
17464         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
17465         CPU options.
17466         * config/arm/t-rmprofile: Likewise except for the matches changes.
17467         * doc/install.texi (--with-multilib-list): Document the combination of
17468         aprofile and rmprofile values and warn about pitfalls in doing that.
17469
17470 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
17471
17472         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
17473         (movdi_aarch64): Likewise.
17474
17475 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
17476
17477         PR tree-optimization/80632
17478         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
17479         field.
17480         (build_arrays): Initialize it for virtual phis.
17481         (fix_phi_nodes): Use it for virtual phis.
17482
17483         PR tree-optimization/80558
17484         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
17485         [x, y] op z into [x op, y op z] for op & or | if conditions
17486         are met.
17487
17488 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
17489             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17490
17491         PR target/71607
17492         * config/arm/arm.md (use_literal_pool): Remove.
17493         (64-bit immediate split): No longer takes cost into consideration
17494         if arm_disable_literal_pool is enabled.
17495         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
17496         used when arm_disable_literal_pool is enabled.
17497         (arm_max_const_double_inline_cost): Remove use of
17498         arm_disable_literal_pool.
17499         (push_minipool_fix): Add assert.
17500         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
17501         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
17502         (no_literal_pool_sf_immediate): New.
17503
17504 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17505
17506         PR tree-optimization/80613
17507         * tree-ssa-dce.c (propagate_necessity): Remove cases for
17508         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
17509
17510 2017-05-05  Richard Biener  <rguenther@suse.de>
17511
17512         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
17513
17514 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
17515
17516         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
17517         of this flag from insn conditions due to removal from r247495.
17518
17519 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
17520
17521         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
17522         New function.
17523         (arm_early_store_addr_dep_ptr): Likewise.
17524         * config/arm/aarch-common-protos.h
17525         (arm_early_load_addr_dep_ptr): Add prototype.
17526         (arm_early_store_addr_dep_ptr): Likewise.
17527         * config/arm/cortex-a53.md: Add new bypasses.
17528
17529 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
17530
17531         * tree.c (next_type_uid): Change type to unsigned.
17532         (type_hash_canon): Decrement back next_type_uid if
17533         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
17534         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
17535         if possible.
17536
17537 2017-05-04  Martin Sebor  <msebor@redhat.com>
17538
17539         * builtins.c: Fix a trivial typo in a comment.
17540
17541         PR middle-end/79234
17542         * builtins.c (check_sizes): Adjust to handle reading past the end.
17543         Avoid printing excessive upper bound of ranges.  Use %E to print
17544         tree nodes instead of converting them to %wu.
17545         (expand_builtin_memchr): New function.
17546         (compute_dest_size): Rename...
17547         (compute_objsize): ...to this.
17548         (expand_builtin_memcpy): Adjust.
17549         (expand_builtin_mempcpy): Adjust.
17550         (expand_builtin_strcat): Adjust.
17551         (expand_builtin_strcpy): Adjust.
17552         (check_strncat_sizes): Adjust.
17553         (expand_builtin_strncat): Adjust.
17554         (expand_builtin_strncpy): Adjust and simplify.
17555         (expand_builtin_memset): Adjust.
17556         (expand_builtin_bzero): Adjust.
17557         (expand_builtin_memcmp): Adjust.
17558         (expand_builtin): Handle memcmp.
17559         (maybe_emit_chk_warning): Check strncat just once.
17560
17561 2017-05-04  Martin Sebor  <msebor@redhat.com>
17562
17563         PR preprocessor/79214
17564         PR middle-end/79222
17565         PR middle-end/79223
17566         * builtins.c (check_sizes): Add inlining context and issue
17567         warnings even when -Wno-system-headers is set.
17568         (check_strncat_sizes): Same.
17569         (expand_builtin_strncat): Same.
17570         (expand_builtin_memmove): New function.
17571         (expand_builtin_stpncpy): Same.
17572         (expand_builtin): Handle memmove and stpncpy.
17573
17574 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
17575
17576         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
17577         which is not used any more.
17578
17579 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17580
17581         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
17582
17583 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17584
17585         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
17586         (cortexa53_tunings): Likewise.
17587         (cortexa57_tunings): Likewise.
17588         (cortexa72_tunings): Likewise.
17589         (cortexa73_tunings): Likewise.
17590
17591 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17592
17593         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
17594         Set loop alignment to 8.
17595
17596 2017-05-04  Martin Sebor  <msebor@redhat.com>
17597
17598         PR translation/80280
17599         * builtins.c (expand_builtin_object_size): Add missing quoting to
17600         %D and like directives.
17601         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
17602         (hsa_type_for_tree_type): Same.
17603         (verify_function_arguments): Same.
17604         * symtab.c (symbol_table::change_decl_assembler_name): Same.
17605         * varasm.c (get_section): Same.
17606         (mark_weak): Same.
17607
17608 2017-05-04  Martin Sebor  <msebor@redhat.com>
17609
17610         PR translation/80280
17611         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
17612
17613 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17614
17615         * config/aarch64/aarch64.c (generic_addrcost_table):
17616         Change HI/TI mode setting.
17617
17618 2017-05-04  Martin Jambor  <mjambor@suse.cz>
17619
17620         PR tree-optimization/80622
17621         * tree-sra.c (comes_initialized_p): New function.
17622         (build_accesses_from_assign): Only set write lazily when
17623         comes_initialized_p is false.
17624         (analyze_access_subtree): Use comes_initialized_p.
17625         (propagate_subaccesses_across_link): Assert !comes_initialized_p
17626         instead of testing for PARM_DECL.
17627
17628 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17629
17630         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
17631         constraint on operand 0 to allow more general addressing modes.
17632         Adjust output template.
17633         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
17634         New function.
17635         * config/aarch64/aarch64-protos.h
17636         (aarch64_address_valid_for_prefetch_p): Declare prototype.
17637         * config/aarch64/constraints.md (Dp): New address constraint.
17638         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
17639         predicate.
17640
17641 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
17642
17643         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
17644         update use of estimate_ipcp_clone_size_and_time.
17645         (estimate_local_effects): Update use of
17646         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
17647         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
17648         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
17649         Return nonspecialized time.
17650
17651 2017-05-04  Richard Biener  <rguenther@suse.de>
17652
17653         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
17654         for the last VUSE which def dominates the PHI.  Directly call
17655         maybe_skip_until.
17656         (get_continuation_for_phi_1): Remove.
17657
17658 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
17659
17660         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
17661         to explain the use of truncating division.  Cap the number of
17662         iterations to the maximum given by nb_iterations_upper_bound,
17663         if defined.
17664
17665 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17666
17667         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
17668         * configure: Regenerate.
17669         * config.in: Regenerate.
17670         * config/i386/driver-mingw32.c: new file.
17671         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
17672         * config.host: Link driver-mingw32.o on MinGW host.
17673         * doc/install.texi: Document new --enable-mingw-wildcard configure
17674         option.
17675
17676 2017-05-04  Marek Polacek  <polacek@redhat.com>
17677
17678         PR tree-optimization/80612
17679         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
17680
17681 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17682             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
17683
17684         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
17685         (movt splitter): Likewise.
17686         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
17687         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
17688         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
17689         block for Thumb-1 with MOVT.
17690         (thumb2_legitimate_address_p): Move code block ...
17691         (can_avoid_literal_pool_for_label_p): ... into this new function.
17692         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
17693         literal pool.
17694         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
17695         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
17696         "M-profile targets with the MOVT instruction".
17697
17698 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17699
17700         * config/arm/arm-builtins.c (arm_init_builtins): Rename
17701         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
17702         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
17703
17704 2017-05-04  Martin Liska  <mliska@suse.cz>
17705
17706         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
17707         variable cond_code.
17708
17709 2017-05-04  Richard Biener  <rguenther@suse.de>
17710
17711         * tree.c (array_at_struct_end_p): Handle arrays at struct
17712         end with flexarrays more conservatively.  Refactor and treat
17713         arrays of arrays or aggregates more strict.  Fix
17714         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
17715         * tree.c (array_at_struct_end_p): Adjust prototype.
17716         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
17717         * gimple-fold.c (get_range_strlen): Likewise.
17718         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
17719
17720 2017-05-04  Richard Biener  <rguenther@suse.de>
17721
17722         PR tree-optimization/31130
17723         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
17724         false.
17725         (supports_overflow_infinity): Likewise.
17726         (is_negative_overflow_infinity): Likewise.
17727         (is_positive_overflow_infinity): Likewise.
17728         (is_overflow_infinity): Likewise.
17729         (stmt_overflow_infinity): Likewise.
17730         (overflow_infinity_range_p): Likewise.
17731         (usable_range_p): Remove as always returning true.
17732         (make_overflow_infinity): Remove.
17733         (negative_overflow_infinity): Likewise.
17734         (positive_overflow_infinity): Likewise.
17735         (avoid_overflow_infinity): Likewise.
17736         (set_value_range): Adjust accordingly.
17737         (set_value_range_to_nonnegative): Likewise, remove now unused
17738         overflow_infinity arg.
17739         (vrp_operand_equal_p): Adjust.
17740         (update_value_range): Likewise.
17741         (range_int_cst_singleton_p): Likewise.
17742         (operand_less_p): Likewise.
17743         (compare_values_warnv): Likewise.
17744         (extract_range_for_var_from_comparison_expr): Likewise.
17745         (vrp_int_const_binop): Likewise.
17746         (zero_nonzero_bits_from_vr): Likewise.
17747         (extract_range_from_multiplicative_op_1): Likewise.
17748         (extract_range_from_binary_expr_1): Likewise.
17749         (extract_range_from_unary_expr): Likewise.
17750         (extract_range_from_comparison): Likewise.
17751         (extract_range_basic): Likewise.
17752         (adjust_range_with_scev): Likewise.
17753         (compare_ranges): Likewise.
17754         (compare_range_with_value): Likewise.
17755         (dump_value_range): Likewise.
17756         (test_for_singularity): Likewise, remove strict_overflow_p parameter
17757         never used.
17758         (simplify_cond_using_ranges): Adjust.
17759
17760 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
17761
17762         * brig-builtins.def: Added a builtin for class_f64.
17763         * builtin-types.def: Added a builtin type needed by class_f64.
17764
17765 2017-05-03  Jason Merrill  <jason@redhat.com>
17766
17767         * timevar.def: Add TV_CONSTEXPR.
17768
17769 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
17770
17771         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
17772
17773 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17774
17775         * ipa-prop.c (ipa_update_after_lto_read): Removed.
17776         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
17777         * ipa-cp.c (ipcp_propagate_stage): Do not call
17778         ipa_update_after_lto_read.
17779         * ipa-inline.c (ipa_inline): Likewise.
17780
17781 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17782
17783         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
17784         tag.  Added a default constructor and a destructor.
17785         (ipa_edge_args_sum_t): New class;
17786         (ipa_edge_args_sum): Declare.
17787         (ipa_edge_args_vector): Remove declaration.
17788         (IPA_EDGE_REF): Use ipa_edge_args_sum.
17789         (ipa_free_edge_args_substructures): Remove declaration.
17790         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
17791         (ipa_edge_args_info_available_for_edge_p): Likewise.
17792         * ipa-prop.c (ipa_edge_args_vector): Removed.
17793         (edge_removal_hook_holder): Likewise.
17794         (edge_duplication_hook_holder): Likewise.
17795         (ipa_edge_args_sum): New variable.
17796         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
17797         ipa_edge_args_vector.
17798         (ipa_free_edge_args_substructures): Likewise.
17799         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
17800         ipa_edge_args_vector.
17801         (ipa_edge_removal_hook): Turned into method
17802         ipa_edge_args_sum_t::remove.
17803         (ipa_edge_duplication_hook): Turned into method
17804         ipa_edge_args_sum_t::duplicate.
17805         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
17806         registering edge hooks.
17807         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
17808         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
17809         ipa_edge_args_sum instead of ipa_edge_args_vector.
17810         * ipa-profile.c (ipa_profile): Likewise.
17811
17812 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17813
17814         * symbol-summary.h (function_summary): New method exists.
17815         (function_summary::symtab_removal): Deallocate through release.
17816         (call_summary): New class.
17817         (gt_ggc_mx): New overload.
17818         (gt_pch_nx): Likewise.
17819         (gt_pch_nx): Likewise.
17820
17821 2017-05-03  Jeff Law  <law@redhat.com>
17822
17823         PR tree-optimization/78496
17824         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
17825         from simplify_cond_using_ranges.  Split off code to walk
17826         backwards through casts into ...
17827         (simplify_cond_using_ranges_2): New function.
17828         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
17829         (execute_vrp): After identifying jump threads, call
17830         simplify_cond_using_ranges_2.
17831
17832 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
17833
17834         PR bootstrap/80609
17835         * ipa-inline.h (inline_summary): Add ctor.
17836         (create_ggc): Do not use ggc_cleared_alloc.
17837
17838 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
17839             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
17840
17841         * gcc.c (handle_braces): Support escaping in switch matching
17842         text.
17843         * doc/invoke.texi (Spec Files): Document it.
17844         Remove superfluous @code markup in items.
17845
17846 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
17847
17848         * diagnostic-show-locus.c (struct column_range): New struct.
17849         (get_affected_columns): New function.
17850         (get_printed_columns): New function.
17851         (struct correction): New struct.
17852         (correction::ensure_capacity): New function.
17853         (correction::ensure_terminated): New function.
17854         (struct line_corrections): New struct.
17855         (line_corrections::~line_corrections): New dtor.
17856         (line_corrections::add_hint): New function.
17857         (layout::print_trailing_fixits): Reimplement in terms of the new
17858         classes.
17859         (selftest::test_overlapped_fixit_printing): New function.
17860         (selftest::diagnostic_show_locus_c_tests): Call it.
17861
17862 2017-05-03  Nathan Sidwell  <nathan@acm.org>
17863
17864         Canonicalize canonical type hashing
17865         * tree.h (type_hash_canon_hash): Declare.
17866         * tree.c (type_hash_list, attribute_hash_list): Move into
17867         type_hash_canon_hash.
17868         (build_type_attribute_qual_variant): Break out hash code calc into
17869         type_hash_canon_hash.
17870         (type_hash_canon_hash): New.  Generic type hash computation.
17871         (build_range_type_1, build_array_type_1, build_function_type,
17872         build_method_type_directly, build_offset_type, build_complex_type,
17873         make_vector_type): Call it.
17874
17875 2017-05-03  Richard Biener  <rguenther@suse.de>
17876
17877         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
17878         When all DRs have unknown misaligned do not always peel
17879         when there is a store but apply the same costing model as if
17880         there were only loads.
17881
17882 2017-05-03  Richard Biener  <rguenther@suse.de>
17883
17884         Revert
17885         PR tree-optimization/80492
17886         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17887         compare_base_decls returning dont-know properly.
17888
17889 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17890
17891         * config/arm/iterators.md (CCSI): New mode iterator.
17892         (arch): New mode attribute.
17893         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
17894         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
17895         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
17896         code iterator for success result mode.
17897         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
17898         the corresponding new insn generators.
17899
17900 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
17901
17902         Revert r247509
17903         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17904         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17905
17906 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
17907
17908         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
17909         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
17910         (DDR_A): Wrap DDR argument in brackets.
17911         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
17912         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
17913         (DDR_REVERSED_P): Likewise.
17914
17915 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
17916
17917         PR tree-optimization/79472
17918         * tree-switch-conversion.c (struct switch_conv_info): Add
17919         contiguous_range and default_case_nonstandard fields.
17920         (collect_switch_conv_info): Compute contiguous_range and
17921         default_case_nonstandard fields, don't clear final_bb if
17922         contiguous_range and only the default case doesn't have the required
17923         structure.
17924         (check_all_empty_except_final): Set default_case_nonstandard instead
17925         of failing if contiguous_range and the default case doesn't have empty
17926         block.
17927         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
17928         and only the default case doesn't have the required constants.  Skip
17929         virtual phis.
17930         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
17931         if default_case_nonstandard.
17932         (build_constructors): Build constant 1 just once.  Assert that default
17933         values aren't inserted in between cases if contiguous_range.  Skip
17934         virtual phis.
17935         (build_arrays): Skip virtual phis.
17936         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
17937         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
17938         Handle virtual phis.
17939         (gen_inbound_check): Handle default_case_nonstandard case.
17940         (process_switch): Adjust check_final_bb caller.  Call
17941         gather_default_values with the first non-default case instead of
17942         default case if default_case_nonstandard.
17943
17944 2017-05-02  Nathan Sidwell  <nathan@acm.org>
17945
17946         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
17947         check.  Fix formatting.
17948
17949 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
17950
17951         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
17952         errors when comparing specialized and unspecialized times.
17953
17954 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
17955
17956         * diagnostic-show-locus.c
17957         (layout::should_print_annotation_line_p): Make private.
17958         (layout::print_annotation_line): Make private.
17959         (layout::annotation_line_showed_range_p): Make private.
17960         (layout::show_ruler): Make private.
17961         (layout::print_source_line): Make private.  Pass in line and
17962         line_width, rather than calling location_get_source_line.  Drop
17963         returned value.
17964         (layout::print_leading_fixits): New method.
17965         (layout::print_any_fixits): Rename to...
17966         (layout::print_trailing_fixits): ...this, and make private.
17967         Don't print newline fixits.
17968         (diagnostic_show_locus): Move logic for printing one row into...
17969         (layout::print_line): ...this new function.  Move the
17970         location_get_source_line call and error-handling from
17971         print_source_line to here.  Call print_leading_fixits, and rename
17972         print_any_fixits to print_trailing_fixits.
17973         (selftest::test_fixit_insert_containing_newline): Update now that
17974         newlines are partially supported.
17975         (selftest::test_fixit_insert_containing_newline_2): New test.
17976         (selftest::test_fixit_replace_containing_newline): Update comments.
17977         (selftest::diagnostic_show_locus_c_tests): Call the new test.
17978         * edit-context.c (class added_line): New class.
17979         (class edited_line): Describe newline handling in comment.
17980         (edited_line::actually_edited_p): New method.
17981         (edited_line::print_content): Delete redundant decl.
17982         (edited_line::m_predecessors): New field.
17983         (edited_file::print_content): Call edited_line::print_content.
17984         (edited_file::print_diff): Update to support newlines.
17985         (edited_file::print_diff_hunk): Likewise.
17986         (edited_file::print_run_of_changed_lines): New function.
17987         (edited_file::print_diff_line): Convert to...
17988         (print_diff_line): ...this.
17989         (edited_file::get_effective_line_count): New function.
17990         (edited_line::edited_line): Initialize new field m_predecessors.
17991         (edited_line::~edited_line): Clean up m_predecessors.
17992         (edited_line::apply_fixit): Handle newlines.
17993         (edited_line::get_effective_line_count): New function.
17994         (edited_line::print_content): New function.
17995         (edited_line::print_diff_lines): New function.
17996         (selftest::test_applying_fixits_insert_containing_newline): New
17997         test.
17998         (selftest::test_applying_fixits_replace_containing_newline): New
17999         test.
18000         (selftest::insert_line): New function.
18001         (selftest::test_applying_fixits_multiple_lines): Add example of
18002         inserting a line.
18003         (selftest::edit_context_c_tests): Call the new tests.
18004
18005 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18006
18007         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
18008         parameter cand.  Update dump information.
18009         (get_computation_cost): Update uses.
18010
18011 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18012
18013         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
18014         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
18015         (get_computation_at, rewrite_use_address): Update use of
18016         get_computation_aff.
18017
18018 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18019
18020         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
18021         (get_computation): Delete.
18022         (get_computation_cost): Implement like get_computation_cost_at.
18023         Use get_computation_at.
18024         (get_computation_cost_at): Delete.
18025         (rewrite_use_nonlinear_expr): Use get_computation_at.
18026         (rewrite_use_compare, remove_unused_ivs): Ditto.
18027
18028 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18029
18030         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
18031
18032 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18033
18034         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
18035         (ivopts_global_cost_for_size): Rename parameter and update uses.
18036         (iv_ca_recount_cost): Update uses.
18037         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
18038         candidates seperately in n_invs and n_cands.
18039         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
18040
18041 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18042
18043         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
18044         (find_inv_vars_cb): New.
18045         (find_depends): Renamed to ...
18046         (find_inv_vars): ... this.
18047         (add_candidate_1, force_var_cost): Call find_inv_vars.
18048         (split_address_cost, determine_group_iv_cost_cond): Ditto.
18049
18050 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18051
18052         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
18053         inv_vars.  Add inv_exprs.
18054         (struct iv_cand): Rename depends_on to inv_vars.
18055         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
18056         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
18057         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
18058         (dump_cand): Dump inv_vars.
18059         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
18060         (record_invariant, find_depends, add_candidate_1): Ditto.
18061         (set_group_iv_cost, force_var_cost): Ditto.
18062         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
18063         (get_computation_cost_at, get_computation_cost): Ditto.
18064         (determine_group_iv_cost_generic): Ditto.
18065         (determine_group_iv_cost_address): Ditto.
18066         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
18067         (determine_group_iv_costs): Ditto.
18068         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
18069         (iv_ca_set_remove_invariants): Renamed to ...
18070         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
18071         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
18072         (iv_ca_set_add_invariants):  Renamed to ...
18073         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
18074         (iv_ca_set_cp): Use iv_ca_set_add_invs.
18075         (iv_ca_has_deps): Support inv_vars and inv_exprs.
18076         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
18077         (create_new_ivs): Remove useless dump.
18078
18079 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18080
18081         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
18082         iv_cand code.
18083         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
18084         (iv_ca_set_no_cp, create_new_iv): Ditto.
18085
18086 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
18087
18088         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
18089
18090 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
18091
18092         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
18093         function tree_check2.
18094
18095 2017-05-02  Martin Liska  <mliska@suse.cz>
18096
18097         * doc/gcov.texi: Add missing preposition.
18098         * gcov.c (function_info::function_info): Properly fill up
18099         all member variables.
18100
18101 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
18102
18103         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
18104
18105 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
18106
18107         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
18108
18109 2017-05-02  Martin Liska  <mliska@suse.cz>
18110
18111         PR lto/77954.
18112         * lto-streamer-in.c (lto_read_tree_1): Remove
18113         LTO_STREAMER_DEBUG.
18114         * lto-streamer.c (struct tree_hash_entry): Likewise.
18115         (struct tree_entry_hasher): Likewise.
18116         (tree_entry_hasher::hash): Likewise.
18117         (tree_entry_hasher::equal): Likewise.
18118         (lto_streamer_init): Likewise.
18119         (lto_orig_address_map): Likewise.
18120         (lto_orig_address_get): Likewise.
18121         (lto_orig_address_remove): Likewise.
18122         * lto-streamer.h: Likewise.
18123         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
18124         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
18125
18126 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
18127
18128         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
18129         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
18130         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
18131         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
18132         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
18133         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
18134         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
18135         (mm_maskz_sub_ss): New intrinsics.
18136         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
18137         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
18138         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
18139         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
18140         (__builtin_ia32_subss_mask_round): New builtins.
18141         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
18142         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
18143         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
18144         Renamed to ...
18145         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
18146         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
18147         Changed to ...
18148         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
18149         ... this.
18150
18151 2017-05-02  Martin Jambor  <mjambor@suse.cz>
18152
18153         PR tree-optimization/78687
18154         * tree-sra.c (access): New field parent.
18155         (process_subtree_disqualification): New function.
18156         (disqualify_candidate): Call it.
18157         (build_accesses_from_assign): Reset write flag if creating an
18158         assighnment link.
18159         (build_access_subtree): Fill in parent field and also prpagate
18160         down grp_write flag.
18161         (create_artificial_child_access): New parameter set_grp_write, set
18162         grp_write to its value.
18163         (propagate_subaccesses_across_link): Also propagate grp_write flag
18164         values.
18165         (propagate_all_subaccesses): Push the closest parent back to work
18166         queue if add_access_to_work_queue returned true.
18167
18168 2017-05-02  Richard Biener  <rguenther@suse.de>
18169
18170         * common.opt (fstrict-overflow): Alias negative to fwrapv.
18171         * doc/invoke.texi (fstrict-overflow): Remove all traces of
18172         -fstrict-overflow documentation.
18173         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
18174         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
18175         flag_strict_overflow.
18176         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
18177         * lto-opts.c (lto_write_options): Do not stream it.
18178         * lto-wrapper.c (merge_and_complain): Do not handle it.
18179         * opts.c (default_options_table): Do not set -fstrict-overflow.
18180         (finish_options): Likewise do not clear it when sanitizing.
18181         * simplify-rtx.c (simplify_const_relational_operation): Do not
18182         test flag_strict_overflow.
18183
18184 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
18185
18186         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
18187         using enabled attribute.
18188         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
18189         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
18190         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
18191         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
18192         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
18193         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
18194         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
18195         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
18196         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
18197         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
18198
18199 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
18200
18201         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
18202
18203 2017-05-02  Richard Biener  <rguenther@suse.de>
18204
18205         PR tree-optimization/80591
18206         Revert
18207         2017-04-10  Richard Biener  <rguenther@suse.de>
18208
18209         * tree-ssa-structalias.c (find_func_aliases): Properly handle
18210         asm inputs.
18211
18212 2017-05-02  Richard Biener  <rguenther@suse.de>
18213
18214         PR tree-optimization/80549
18215         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
18216         (cleanup_tree_cfg_noloop): Create forwarders to known loop
18217         headers if they do not have a preheader.
18218
18219 2017-05-02  Martin Liska  <mliska@suse.cz>
18220
18221         PR other/80589
18222         * common.opt: Fix typo.
18223         * doc/invoke.texi: Likewise.
18224
18225 2017-05-01  Jan Beulich  <jbeulich@suse.com>
18226
18227         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
18228         swapping, add (x,x,m,x,n) alternative.
18229
18230 2017-05-01  Nathan Sidwell  <nathan@acm.org>
18231
18232         * calls.c (combine_pending_stack_adjustment_and_call): Remove
18233         unnecessary unadjusted_alignment check.
18234
18235 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
18236
18237         PR c++/80038
18238         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
18239         operations here.
18240         * gimplify.c (gimplify_cilk_detach): New function.
18241         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
18242         * tree-core.h: Document EXPR_CILK_SPAWN.
18243         * tree.h (EXPR_CILK_SPAWN): Define.
18244
18245 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
18246
18247         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
18248         to use new fixit_hint representation, using the "replace" logic.
18249         (get_line_span_for_fixit_hint): Likewise.
18250         (layout::print_any_fixits): Likewise.
18251         (selftest::test_one_liner_many_fixits): Rename to...
18252         (selftest::test_one_liner_many_fixits_1): ...this, and update
18253         comment and expected output to reflect that the multiple fix-it
18254         hints are now consolidated into one insertion.
18255         (selftest::test_one_liner_many_fixits_2): New test.
18256         (selftest::test_diagnostic_show_locus_one_liner): Update for
18257         above.
18258         (selftest::test_fixit_consolidation): Update for fix-it API
18259         change.
18260         * diagnostic.c (print_parseable_fixits): Likewise.
18261         * edit-context.c (edited_line::m_line_events): Convert from
18262         auto_vec <line_event *> to auto_vec <line_event>.
18263         (class line_event): Convert from abstract base class to a concrete
18264         class, taking over the role of replace_event.
18265         (class insert_event): Delete.
18266         (class replace_event): Rename to class line_event.  Convert to
18267         half-open range.
18268         (edit_context::add_fixits): Reimplement.
18269         (edit_context::apply_insert): Delete.
18270         (edit_context::apply_replace): Rename to...
18271         (edit_context::apply_fixit): ...this.  Convert to half-open range.
18272         (edited_file::apply_insert): Delete.
18273         (edited_file::apply_replace): Rename to...
18274         (edited_file::apply_fixit): ...this.
18275         (edited_line::~edited_line): Drop deletion of events.
18276         (edited_line::apply_insert): Delete.
18277         (edited_line::apply_replace): Rename to...
18278         (edited_line::apply_fixit): ...this.  Convert to half-open range.
18279         Update for change to type of m_line_events.
18280         * edit-context.h (edit_context::apply_insert): Delete.
18281         (edit_context::apply_replace): Rename to...
18282         (edit_context::apply_fixit): ...this.
18283
18284 2017-05-01  Martin Sebor  <msebor@redhat.com>
18285
18286         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
18287         known.
18288
18289 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
18290
18291         PR target/68491
18292         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
18293         __get_cpuid_max returns 0.
18294         (__get_cpuid_count): Ditto.
18295
18296 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
18297
18298         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
18299         replacement expression is another instance of one of its arguments.
18300
18301 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
18302
18303         PR target/79430
18304         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
18305         check for stack push/pop autoinc.
18306         * config/i386/i386.c (ix86_agi_dependent): Return false
18307         if the only reason why modified_in_p returned true is that
18308         addr is SP based and set_insn is a push or pop.
18309
18310 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
18311
18312         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
18313         overflow check.
18314
18315 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
18316
18317         PR ipa/79224
18318         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
18319         (account_size_time): Use two predicates - exec_pred and
18320         nonconst_pred_ptr.
18321         (evaluate_conditions_for_known_args): Compute both clause and
18322         nonspec_clause.
18323         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
18324         (inline_summary_t::duplicate): Update.
18325         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
18326         separately.
18327         (compute_inline_parameters): Likewise.
18328         (estimate_edge_size_and_time): Update caluclation of time.
18329         (estimate_node_size_and_time): Compute both time and nonspecialized
18330         time.
18331         (estimate_ipcp_clone_size_and_time): Update.
18332         (inline_merge_summary): Update.
18333         (do_estimate_edge_time): Update.
18334         (do_estimate_edge_size): Update.
18335         (do_estimate_edge_hints): Update.
18336         (inline_read_section, inline_write_summary): Stream both new predicates.
18337         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
18338         as argument.
18339         (compute_inlined_call_time): Cleanup.
18340         (big_speedup_p): Update.
18341         (edge_badness): Update.
18342         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
18343         (size_time_entry): Replace predicate by exec_predicate and
18344         nonconst_predicate.
18345         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
18346         (estimate_edge_time): Return also nonspec_time.
18347         (reset_edge_growth_cache): Update.
18348
18349 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
18350
18351         PR rtl-optimization/80491
18352         * ifcvt.c (noce_process_if_block): When looking for x setter
18353         with missing else_bb, don't check only the insn right before
18354         cond_earliest, but look for the last insn that x is modified in
18355         within the same bb.
18356
18357         PR rtl-optimization/80491
18358         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
18359
18360 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
18361
18362         PR tree-optimization/80487
18363         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
18364
18365 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
18366
18367         PR tree-optimization/79697
18368         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
18369         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
18370         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
18371         BUILT_IN_STRNDUP.
18372         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
18373         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
18374
18375 2017-04-28  Martin Sebor  <msebor@redhat.com>
18376
18377         PR tree-optimization/80523
18378         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
18379         (init_target_to_host_charmap, target_to_host, target_strtol10): New
18380         functions.
18381         (maybe_warn, format_directive, parse_directive): Use new functions.
18382         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
18383
18384 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
18385
18386         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
18387
18388 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18389
18390         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
18391         target_header_dir): Set correctly.
18392         * configure: Regenerated.
18393         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
18394         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
18395         instead of SYSTEM_HEADER_DIR.
18396
18397 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
18398
18399         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
18400         (estimate_local_effects): Likewise.
18401         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
18402         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
18403         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
18404         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
18405         do_estimate_edge_time, estimate_edge_time): Likewise.
18406         * ipa-inline-analysis.c (estimate_node_size_and_time,
18407         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
18408         (estimate_time_after_inlining): Remove.
18409
18410 2017-04-28  Martin Liska  <mliska@suse.cz>
18411
18412         * doc/gcov.texi: Enhance documentation of gcov.
18413
18414 2017-04-28  Martin Liska  <mliska@suse.cz>
18415
18416         * doc/gcov.texi: Sort options in alphabetic order.
18417         * doc/gcov-dump.texi: Likewise.
18418         * doc/gcov-tool.texi: Likewise.
18419         * gcov.c (print_usage): Likewise.
18420         * gcov-dump.c (print_usage): Likewise.
18421         * gcov-tool.c (print_merge_usage_message): Likewise.
18422         (print_rewrite_usage_message): Likewise.
18423         (print_overlap_usage_message): Likewise.
18424
18425 2017-04-28  Martin Liska  <mliska@suse.cz>
18426
18427         PR gcov-profile/53915
18428         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
18429
18430 2017-04-28  Martin Liska  <mliska@suse.cz>
18431
18432         PR gcov-profile/79891
18433         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
18434         is marked by compiler as living on a line.
18435         (get_cycles_count): Remove usage of the union.
18436         (output_intermediate_file): Likewise.
18437         (find_source): Fix GNU coding style.
18438         (accumulate_line_counts): Remove old non-all block mode.
18439         (output_lines): Remove usage of the union.
18440         * profile.c (output_location): Include all BBs, even if
18441         belonging to a same line (and file) as a previous BB.
18442
18443 2017-04-28  Martin Liska  <mliska@suse.cz>
18444
18445         * gcov.c (process_args): Handle new argument 'w'.
18446         (read_graph_file): Assign ID to BBs.
18447         (output_branch_count): Display BB # if verbose flag is set.
18448         (output_lines): Likewise for arcs.
18449         (print_usage): Add '--verbose' option help.
18450         * doc/gcov.texi: Document --verbose (-w) option.
18451
18452 2017-04-28  Martin Liska  <mliska@suse.cz>
18453
18454         * gcov.c (struct block_location_info): New struct.
18455         (process_file): Fill up the new structure.
18456         (read_graph_file): Replace usage of encoding by the newly added
18457         struct.
18458         (add_line_counts): Likewise.
18459         (accumulate_line_counts): Remove usage of the union.
18460         (function_info::function_info): New function.
18461         (function_info::~function_info): Likewise.
18462         (process_file): Call delete instead of release_function.
18463         (release_function): Release the function.
18464         (release_structures): Call delete instead of release_function.
18465         (solve_flow_graph): Replace usage of num_blocks.
18466         (find_exception_blocks): Likewise.
18467         (output_lines): Fix GNU coding style.
18468
18469 2017-04-28  Martin Liska  <mliska@suse.cz>
18470
18471         PR driver/56469
18472         * coverage.c (coverage_remove_note_file): New function.
18473         * coverage.h: Declare the function.
18474         * toplev.c (finalize): Clean if an error has been seen.
18475
18476 2017-04-28  Martin Liska  <mliska@suse.cz>
18477
18478         PR gcov-profile/80031
18479         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
18480         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
18481         * gcov.c (read_graph_file): Read just number of blocks.
18482         * profile.c (branch_prob): Do not stream 0 flags per a basic
18483         block.
18484
18485 2017-04-28  Martin Liska  <mliska@suse.cz>
18486
18487         * gcov-dump.c (tag_*): Add new argument to declarations.
18488         (dump_gcov_file): Likewise.
18489         (tag_blocks): Add and use new argument depth.
18490         (tag_arcs): Likewise.
18491         (tag_lines): Likewise.
18492         (tag_counters): Likewise.
18493         (tag_summary): Likewise.
18494         (dump_working_sets): Use depth to do a proper indentation.
18495
18496 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
18497
18498         PR bootstrap/80531
18499         * cgraph.h (symtab_node::debug_symtab): No longer inline.
18500         * symtab.c (symtab_node::debug_symtab): Move definition here.
18501
18502 2017-04-28  Richard Biener  <rguenther@suse.de>
18503
18504         * lto-streamer.h (LTO_major_version): Bump to 7.
18505
18506 2017-04-28  Richard Biener  <rguenther@suse.de>
18507
18508         * tree-vrp.c (assert_info): New struct.
18509         (add_assert_info): New helper.
18510         (register_edge_assert_for_2): Refactor to add asserts to a vector
18511         of assert_info.
18512         (register_edge_assert_for_1): Likewise.
18513         (register_edge_assert_for): Likewise.
18514         (finish_register_edge_assert_for): New helper actually registering
18515         asserts where live on edge.
18516         (find_conditional_asserts): Adjust.
18517         (find_switch_asserts): Likewise.
18518         (evrp_dom_walker::try_find_new_range): Generalize.
18519         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
18520
18521 2017-04-27  Marek Polacek  <polacek@redhat.com>
18522
18523         PR sanitizer/80349
18524         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
18525         arg10 and arg11 to itype.
18526
18527 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
18528
18529         * doc/extend.texi (Object Size Checking): Improve grammar.
18530
18531 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
18532
18533         PR target/80530
18534         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
18535         that the logic for permitting reciprocal estimates matches that
18536         in use_rsqrt_p.
18537
18538 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
18539
18540         PR c++/80534
18541         * tree.c (type_cache_hasher::equal): Only compare
18542         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
18543         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
18544         non-aggregate element types.
18545         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
18546         about the flag on ARRAY_TYPEs in the comment, formatting fix.
18547
18548 2017-04-27  Richard Biener  <rguenther@suse.de>
18549
18550         PR middle-end/80533
18551         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
18552         stripping ARRAY_REFs from MEM_EXPR make sure we're not
18553         keeping a reference to a trailing array.
18554
18555 2017-04-27  Richard Biener  <rguenther@suse.de>
18556
18557         PR middle-end/80539
18558         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
18559         being in loop-closed SSA form conservatively.
18560         (chrec_fold_multiply_poly_poly): Likewise.
18561
18562 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
18563
18564         PR middle-end/79665
18565         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
18566         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
18567
18568 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
18569
18570         PR target/77728
18571         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
18572         (aarch64_function_arg_alignment): Return unsigned int again, but still
18573         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
18574         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
18575         Don't emit -Wpsabi note.
18576         (aarch64_function_arg_boundary): Likewise.
18577         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
18578         caller.
18579
18580 2017-04-26  Nathan Sidwell  <nathan@acm.org>
18581
18582         * tree.h (crc32_unsigned_n): Declare.
18583         (crc32_unsigned, crc32_unsigned): Make inline.
18584         * tree.c (crc32_unsigned_bits): Replace with ...
18585         (crc32_unsigned_n): ... this.
18586         (crc32_unsigned, crc32_byte): Remove.
18587         (crc32_string): Remove unnecessary braces.
18588
18589 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
18590
18591         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
18592         * ipa-inline-analysis.c (MAX_TIME): Remove.
18593         (account_size_time): Use sreal for time.
18594         (dump_inline_summary): Update.
18595         (estimate_function_body_sizes): Update.
18596         (estimate_edge_size_and_time): Update.
18597         (estimate_calls_size_and_time): Update.
18598         (estimate_node_size_and_time): Update.
18599         (inline_merge_summary): Update.
18600         (inline_update_overall_summary): Update.
18601         (estimate_time_after_inlining): Update.
18602         (inline_read_section): Update.
18603         (inline_write_summary): Update.
18604         * ipa-inline.c (compute_uninlined_call_time): Update.
18605         (compute_inlined_call_time): Update.
18606         (recursive_inlining): Update.
18607         (inline_small_functions): Update.
18608         (dump_overall_stats): Update.
18609         * ipa-inline.h: Include sreal.h.
18610         (size_time_entry): Turn time to sreal.
18611         (inline_summary): Turn self_time nad time to sreal.
18612
18613 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
18614
18615         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
18616         data-streamer.h
18617         (sreal::stream_out, sreal::stream_in): New.
18618         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
18619
18620 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
18621
18622         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
18623         environment.
18624
18625 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
18626
18627         PR target/70799
18628         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
18629         Handle ASHIFTRT.
18630         (dimode_scalar_chain::compute_convert_gain): Ditto.
18631         (dimode_scalar_chain::make_vector_copies): Ditto.
18632         (dimode_scalar_chain::convert_reg): Ditto.
18633         (dimode_scalar_chain::convert_insn): Ditto.
18634         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
18635         (VI248_AVX512BW_1): New mode iterator.
18636         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
18637         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
18638         mode iterator.
18639
18640 2017-04-25  Martin Sebor  <msebor@redhat.com>
18641
18642         PR tree-optimization/80497
18643         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
18644         constants are representable in HOST_WIDE_INT.
18645         (parse_directive): Ditto.
18646
18647 2017-04-25  Martin Sebor  <msebor@redhat.com>
18648
18649         PR bootstrap/80486
18650         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
18651         (new_zero_array): Adjust signature.
18652         (dom_info::dom_init): Used unsigned rather that size_t.
18653         (dom_info::dom_info): Same.
18654
18655 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18656             Jakub Jelinek  <jakub@redhat.com>
18657
18658         PR target/77728
18659         * config/arm/arm.c: Include gimple.h.
18660         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
18661         returns negative, increment ncrn only if it returned positive.
18662         (arm_needs_doubleword_align): Return int instead of bool,
18663         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
18664         members, but if there is any such non-FIELD_DECL
18665         > PARM_BOUNDARY aligned decl, return -1 instead of false.
18666         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
18667         returns negative, increment nregs only if it returned positive.
18668         (arm_setup_incoming_varargs): Likewise.
18669         (arm_function_arg_boundary): Emit -Wpsabi note if
18670         arm_needs_doubleword_align returns negative, return
18671         DOUBLEWORD_ALIGNMENT only if it returned positive.
18672
18673 2017-04-25  Marek Polacek  <polacek@redhat.com>
18674
18675         PR sanitizer/80349
18676         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18677         first argument to type.
18678
18679 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
18680
18681         PR target/80482
18682         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
18683         type checks to test for compatibility instead of equality.
18684
18685 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18686             Jakub Jelinek  <jakub@redhat.com>
18687
18688         PR target/77728
18689         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
18690         type.
18691         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
18692         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
18693         the alignment computation, but return their maximum in warn_alignment.
18694         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
18695         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
18696         is smaller.
18697         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
18698         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
18699         caller.
18700
18701 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18702
18703         * config/arc/simdext.md (dmpyh): Fix typo.
18704
18705 2017-04-25  Richard Biener  <rguenther@suse.de>
18706
18707         PR tree-optimization/80492
18708         * alias.c (compare_base_decls): Handle registers with asm
18709         specification conservatively.
18710         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
18711         compare_base_decls returning dont-know properly.
18712
18713 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18714
18715         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
18716         (legitimate_offset_address_p): New function.
18717         (arc_legitimate_address_p): Use above function.
18718
18719 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18720
18721         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
18722
18723 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18724
18725         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
18726         ACCH registers whenever they are available.
18727
18728 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18729
18730         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
18731         double regs fix when not used.
18732
18733 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18734
18735         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
18736         core registers.
18737         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
18738         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
18739
18740 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18741
18742         * config/arc/arc.c (arc_output_addsi): Check for h-register class
18743         when emitting short ADD instructions.
18744
18745 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18746
18747         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
18748         constraint.
18749         (cmpsi_cc_c_insn): Likewise.
18750         (cbranchsi4_scratch): Compute proper instruction length using
18751         compact_hreg_operand.
18752         * config/arc/predicates.md (compact_hreg_operand): New predicate.
18753
18754 2017-04-25  Richard Biener  <rguenther@suse.de>
18755
18756         PR middle-end/80509
18757         * passes.c (pass_manager::pass_manager): Initialize
18758         m_name_to_pass_map.
18759
18760 2017-04-25  Richard Biener  <rguenther@suse.de>
18761
18762         PR tree-optimization/79201
18763         * tree-ssa-sink.c (statement_sink_location): Handle calls.
18764
18765 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18766
18767         PR target/80464
18768         * config/s390/vector.md: Split MEM->GPR vector moves for
18769         non-s_operand addresses.
18770
18771 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18772
18773         PR target/79895
18774         * config/s390/predicates.md (reload_const_wide_int_operand): New
18775         predicate.
18776         * config/s390/s390.md ("movti"): Remove d/P alternative.
18777         ("movti_bigconst"): New pattern definition.
18778
18779 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18780
18781         PR target/80080
18782         * s390-protos.h (s390_expand_cs_hqi): Removed.
18783         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
18784         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
18785         modes as well as CCZ1mode and CCZmode.
18786         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
18787         signature of s390_emit_compare_and_swap.
18788         (s390_expand_cs_hqi): Likewise, make static.
18789         (s390_expand_cs_tdsi): Generate an explicit compare before trying
18790         compare-and-swap, in some cases.
18791         (s390_expand_cs): Wrapper function.
18792         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
18793         atomic_exchange.
18794         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
18795         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
18796         patterns for small and large integers.  Forbid symref memory operands.
18797         Move expander to s390.c.  Require cc register.
18798         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
18799         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
18800         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
18801         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
18802         symref memory operands.  Remove CC mode and call s390_match_ccmode
18803         instead.
18804         ("atomic_exchange<mode>"): Allow and implement all integer modes.
18805
18806 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18807
18808         * config/s390/s390.md (define_peephole2): New peephole to help
18809         combining the load-and-test pattern with volatile memory.
18810
18811 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18812
18813         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
18814         with CCZmode for TARGET_Z196.
18815
18816 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
18817
18818         PR rtl-optimization/80501
18819         * combine.c (make_compound_operation_int): Set subreg_code to SET
18820         even for AND with mask of the sign bit of mode.
18821
18822         PR rtl-optimization/80500
18823         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
18824         sum's initial value.
18825
18826 2017-04-25  Julian Brown  <julian@codesourcery.com>
18827             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
18828
18829         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
18830
18831 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
18832
18833         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
18834
18835 2017-04-25  Julian Brown  <julian@codesourcery.com>
18836             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
18837
18838         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
18839         (thunderx2t99_sha): New Reservation.
18840
18841 2017-04-25  Julian Brown  <julian@codesourcery.com>
18842             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
18843
18844         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
18845         type for 1-element load.
18846
18847 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
18848
18849         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
18850
18851 2017-04-24  Martin Jambor  <mjambor@suse.cz>
18852
18853         PR tree-optimization/80293
18854         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
18855         char arrays not totally scalarizable if it is false.
18856         (analyze_all_variable_accesses): Pass correct value in the new
18857         parameter.  Add a statistics counter.
18858
18859 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
18860
18861         PR middle-end/79931
18862         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
18863
18864 2017-04-24  Richard Biener  <rguenther@suse.de>
18865
18866         PR tree-optimization/80494
18867         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
18868         out for complex types.
18869
18870 2017-04-24  Richard Biener  <rguenther@suse.de>
18871
18872         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
18873         * tree-ssa-sccvn.c (print_scc): Print SCC size.
18874         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
18875         (DFS): Adjust and never fail.
18876         (sccvn_dom_walker::fail): Remove.
18877         (sccvn_dom_walker::before_dom_children): Adjust.
18878         (run_scc_vn): Likewise and never fail.
18879         * tree-ssa-pre.c (pass_pre::execute): Adjust.
18880         (pass_fre::execute): Likewise.
18881
18882 2017-04-24  Richard Biener  <rguenther@suse.de>
18883
18884         PR tree-optimization/79725
18885         * tree-ssa-sink.c (statement_sink_location): Return whether
18886         failure reason was zero uses.  Move that check later.
18887         (sink_code_in_bb): Deal with zero uses by removing the stmt
18888         if possible.
18889
18890 2017-04-24  Richard Biener  <rguenther@suse.de>
18891
18892         PR c++/2972
18893         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
18894         pointer-based references.
18895
18896 2017-04-24  Richard Biener  <rguenther@suse.de>
18897
18898         PR bootstrap/79814
18899         * pass_manager.h (pass_manager::operator new): Remove.
18900         (pass_manager::operator delete): Likewise.
18901         * passes.c (pass_manager::operator new): Remove.
18902         (pass_manager::operator delete): Likewise.
18903         (pass_manager::pass_manager): Zero individual pass members.
18904
18905 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
18906
18907         PR target/70799
18908         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
18909         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
18910         Check "XEXP (src, 1)" operand here.
18911         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
18912         Check "XEXP (src, 1)" operand here.
18913         (dimode_scalar_chain::make_vector_copies): Detect count register
18914         of a shift instruction.  Zero extend count register from QImode
18915         to DImode to satisfy vector shift pattern count operand predicate.
18916         Substitute vector shift count operand with a DImode copy.
18917         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
18918         vector register.
18919
18920 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
18921
18922         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
18923         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18924         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
18925         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18926         (UNSPEC_NOREX_MEM): Remove definition.
18927
18928 2017-04-21  Richard Biener  <rguenther@suse.de>
18929
18930         PR tree-optimization/79547
18931         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
18932         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
18933         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
18934         without any constraints.
18935
18936 2017-04-21  Richard Biener  <rguenther@suse.de>
18937
18938         PR tree-optimization/78847
18939         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
18940
18941 2017-04-21  Richard Biener  <rguenther@suse.de>
18942
18943         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
18944         (build_distinct_type_copy): Likewise.
18945         (build_variant_type_copy): Likewise.
18946         * tree.c (build_qualified_type): Pass down mem-stat info.
18947         (build_distinct_type_copy): Likewise.
18948         (build_variant_type_copy): Likewise.
18949
18950 2017-04-21  Richard Biener  <rguenther@suse.de>
18951
18952         PR tree-optimization/80237
18953         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
18954         defaulted to NULL.
18955         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
18956         for a simplified result.
18957
18958 2016-04-21  Richard Biener  <rguenther@suse.de>
18959
18960         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
18961         sth as strict as a simple_iv but a chrec without symbols and an
18962         operand defined in the loop we are peeling (and not some subloop).
18963         (propagate_constants_for_unrolling): Propagate all constants.
18964
18965 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18966
18967         PR target/79804
18968         * config/i386/i386.c (print_reg): Remove assert for disalowed
18969         regno values, call output_operand_lossage instead.
18970
18971 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18972
18973         PR target/78090
18974         * config/i386/constraints.md (Yc): New register constraint.
18975         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
18976         Use Yc constraint for alternative 2 of operand 0.  Remove
18977         preferred_for_speed attribute.
18978
18979 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18980
18981         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
18982         lastprivate clauses in SIMT case.
18983
18984 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
18985
18986         * doc/invoke.texi (-Wextra-semi): Document new warning option.
18987
18988 2017-04-20  Richard Biener  <rguenther@suse.de>
18989
18990         PR tree-optimization/57796
18991         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
18992         as N scalar stores.
18993         (vect_model_load_cost): Cost gathers as N scalar loads.
18994
18995 2017-04-20  Richard Biener  <rguenther@suse.de>
18996
18997         * ggc-page.c (ggc_allocated_p): Rename to ...
18998         (safe_lookup_page_table_entry): ... this and return the lookup
18999         result.
19000         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
19001
19002 2017-04-20  Richard Biener  <rguenther@suse.de>
19003
19004         PR tree-optimization/80453
19005         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
19006         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
19007         from the conditions.
19008         (vn_phi_eq): Pass them down.
19009         (vn_phi_lookup): Record them.
19010         (vn_phi_insert): Likewise.
19011
19012 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
19013
19014         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
19015         uninitialized variable warning to avoid buffer overrun.
19016
19017 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
19018
19019         PR other/71250
19020         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
19021         is suppressed for '{ 0 }' in C.
19022
19023 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
19024
19025         * BASE-VER: Set to 8.0.0.
19026
19027 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19028
19029         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
19030         priority .init_array and .fini_array section with SECTION_NOTYPE
19031         flag.
19032
19033 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
19034
19035         PR middle-end/80423
19036         * tree.h (build_array_type): Add typeless_storage default argument.
19037         * tree.c (type_cache_hasher::equal): Also compare
19038         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
19039         (build_array_type): Add typeless_storage argument, set
19040         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
19041         recursive call.
19042         (build_nonshared_array_type): Adjust build_array_type_1 caller.
19043         (build_array_type): Likewise.  Add typeless_storage argument.
19044
19045 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
19046             Jakub Jelinek  <jakub@redhat.com>
19047
19048         PR tree-optimization/80426
19049         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
19050         operation on symbolic operands, also compute the overflow for the
19051         invariant part when the operation degenerates into a negation.
19052
19053 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
19054
19055         PR debug/80461
19056         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
19057         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
19058
19059         PR debug/80436
19060         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
19061
19062 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
19063
19064         PR target/80462
19065         * config/avr/avr.c (tree.h): Include it.
19066         (cgraph.h): Include it.
19067         (avr_encode_section_info): Don't warn for uninitialized progmem
19068         variable if it's just an alias.
19069
19070 2017-04-19  Richard Biener  <rguenther@suse.de>
19071
19072         PR ipa/65972
19073         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
19074         when needed by AutoPGO.
19075
19076 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
19077
19078         PR lto/50345
19079         * doc/lto.texi: Remove an extra 'that'.
19080
19081 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
19082
19083         PR rtl-optimization/80429
19084         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
19085         are only used in debug insns.
19086
19087 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
19088             Vladimir Makarov  <vmakarov@redhat.com>
19089
19090         * config/sparc/predicates.md (input_operand): Add comment.  Return
19091         true for any memory operand when LRA is in progress.
19092         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
19093
19094 2017-04-18  Jeff Law  <law@redhat.com>
19095
19096         PR target/74563
19097         * mips.md ({return,simple_return}_internal): Do not overwrite
19098         operands[0].
19099
19100 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
19101
19102         PR tree-optimization/80443
19103         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
19104         instead of adding 1, subtract -1 and similarly instead of subtracting
19105         1 add -1.
19106
19107 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
19108
19109         PR rtl-optimization/80357
19110         * haifa-sched.c (tmp_bitmap): New variable.
19111         (model_recompute): Handle duplicate use records.
19112         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
19113         (free_global_sched_pressure_data): Free it.
19114
19115 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19116
19117         Revert:
19118         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19119         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
19120         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
19121         instead of SYSTEM_HEADER_DIR.
19122
19123 2017-04-18  Jeff Law  <law@redhat.com>
19124
19125         PR middle-end/80422
19126         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
19127         predecessors after walking up the insn chain.
19128
19129 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
19130
19131         PR debug/80263
19132         * dwarf2out.c (modified_type_die): Try harder not to emit internal
19133         sizetype type into debug info.
19134
19135 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
19136
19137         PR target/80099
19138         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
19139         unneeded test for TARGET_UPPER_REGS_SF.
19140         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
19141
19142 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
19143
19144         PR sanitizer/80444
19145         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
19146         instead of gsi_after_labels.
19147
19148 2017-04-18  Jeff Law  <law@redhat.com>
19149
19150         * regcprop.c (maybe_mode_change): Avoid creating copies of the
19151         stack pointer.
19152
19153         Revert:
19154         2017-04-13  Jeff Law  <law@redhat.com>
19155         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
19156         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
19157
19158 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
19159
19160         PR target/79453
19161         * config/avr/avr.c (intl.h): Include it.
19162         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
19163
19164 2017-04-18  Martin Liska  <mliska@suse.cz>
19165
19166         PR gcov-profile/78783
19167         * gcov-tool.c (gcov_output_files): Validate that destination
19168         file is either removed by the tool or by a user.
19169
19170 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
19171             Guy Benyei  <guybe@mellanox.com>
19172
19173         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
19174         block, and do not negate it, the stored id is already negative.
19175
19176 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
19177
19178         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
19179
19180 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
19181
19182         PR target/80098
19183         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
19184         masks of options that should be turned off if the VSX vector
19185         options are turned off.
19186         (OTHER_P8_VECTOR_MASKS): Likewise.
19187         (OTHER_VSX_VECTOR_MASKS): Likewise.
19188         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
19189         rs6000_disable_incompatible_switches to validate no type switches
19190         like -mvsx.
19191         (rs6000_incompatible_switch): New function to disallow turning on
19192         other vector options if -mno-vsx, -mno-power8-vector, or
19193         -mno-power9-vector are specified.
19194
19195 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
19196
19197         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
19198
19199 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
19200
19201         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
19202         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
19203         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
19204         (ARG_POINTER_CFA_OFFSET): Likewise.
19205
19206 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
19207
19208         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
19209         conditions to take advantage of various optimizations.
19210
19211 2017-04-13  Jeff Law  <law@redhat.com>
19212
19213         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
19214         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
19215         (zero_extendsidi2_dext): Likewise.
19216
19217 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
19218
19219         PR sanitizer/80403
19220         * fold-const.c (fold_ternary_loc): Revert
19221         use op0 instead of fold_convert_loc (loc, type, arg0) part of
19222         2017-04-12 change.
19223
19224 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
19225
19226         PR rtl-optimization/80343
19227         * lra-remat.c (update_scratch_ops): Assign original hard reg to
19228         new scratch pseudo.
19229
19230 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
19231
19232         PR sanitizer/80414
19233         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
19234         to ubsan_encode_value.
19235
19236 2017-04-13  Jeff Law  <law@redhat.com>
19237
19238         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
19239         appearing in DEBUG_INSNs.
19240
19241 2017-04-13  Martin Liska  <mliska@suse.cz>
19242
19243         PR gcov-profile/80413
19244         * gcov-io.c (gcov_write_string): Copy to buffer just when
19245         allocated size is greater than zero.
19246
19247 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
19248
19249         PR debug/80321
19250         * dwarf2out.c (decls_for_scope): Ignore declarations of
19251         current_function_decl in BLOCK_NONLOCALIZED_VARS.
19252
19253 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
19254
19255         PR lto/69953
19256         * ipa-visibility.c (non_local_p): Fix typos.
19257         (localize_node): When localizing symbol in same comdat group,
19258         dissolve the group only when we know external symbols are going
19259         to be privatized.
19260         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
19261
19262 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
19263
19264         PR tree-optimization/79390
19265         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
19266         order does not result in usable sequence, retry with reversed operand
19267         order.
19268
19269         PR sanitizer/80403
19270         PR sanitizer/80404
19271         PR sanitizer/80405
19272         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
19273         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
19274         op0 instead of fold_convert_loc (loc, type, arg0).
19275
19276 2017-04-12  Jeff Law  <law@redhat.com>
19277
19278         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
19279         has a delay slot in the generated code.
19280
19281         * config/cris/cris.md (cris_preferred_reload_class): Return
19282         GENNONACR_REGS rather than GENERAL_REGS.
19283
19284 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
19285
19286         PR c/80163
19287         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
19288         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
19289         signedness of the result type.
19290
19291 2017-04-12  Richard Biener  <rguenther@suse.de>
19292             Jeff Law  <law@redhat.com>
19293
19294         PR tree-optimization/80359
19295         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
19296         trim stores to TARGET_MEM_REFs.
19297
19298 2017-04-12  Richard Biener  <rguenther@suse.de>
19299
19300         PR tree-optimization/79390
19301         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
19302         threading case even more.
19303
19304 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
19305
19306         PR target/80382
19307         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
19308         for quad_address_p for TImode, instead of just not indexed_address.
19309
19310 2017-04-12  Richard Biener  <rguenther@suse.de>
19311             Bernd Edlinger  <bernd.edlinger@hotmail.de>
19312
19313         PR middle-end/79671
19314         * alias.c (component_uses_parent_alias_set_from): Handle
19315         TYPE_TYPELESS_STORAGE.
19316         (get_alias_set): Likewise.
19317         * tree-core.h (tree_type_common): Add typeless_storage flag.
19318         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
19319         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
19320         for types containing members with TYPE_TYPELESS_STORAGE.
19321         (place_field): Likewise.
19322         (layout_type): Likewise for ARRAY_TYPE.
19323         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
19324         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
19325         TYPE_TYPELESS_STORAGE.
19326         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
19327
19328 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
19329
19330         PR sanitizer/80349
19331         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
19332         first argument to type.
19333
19334 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19335
19336         PR target/80376
19337         PR target/80315
19338         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
19339         CONST0_RTX (mode) rather than const0_rtx where appropriate.
19340         (rs6000_expand_binop_builtin): Likewise.
19341         (rs6000_expand_ternop_builtin): Likewise; also add missing
19342         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
19343         vshasigma built-ins.
19344         * doc/extend.texi: Document that vec_xxpermdi's third argument
19345         must be a constant.
19346
19347 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
19348
19349         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
19350         Use shift_const cost parameter when calculating gain of STV shifts.
19351
19352 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
19353
19354         PR rtl-optimization/70478
19355         * lra-constraints.c (process_alt_operands): Check memory for
19356         disfavoring memory insn operand.
19357
19358 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
19359
19360         PR middle-end/80100
19361         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
19362         left shift in unsigned HOST_WIDE_INT type.
19363
19364         PR rtl-optimization/80385
19365         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
19366         (not (neg X)) into (plus X -1) for complex or non-integral modes.
19367
19368         PR libgomp/80394
19369         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
19370         if they have any depend clauses.
19371
19372 2017-04-11  Martin Liska  <mliska@suse.cz>
19373
19374         PR ipa/80212
19375         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
19376         * ipa-split.c (split_function): Create a local comdat symbol
19377         if caller is in a comdat group.
19378
19379 2017-04-11  Martin Liska  <mliska@suse.cz>
19380
19381         PR ipa/80212
19382         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
19383         flags.
19384
19385 2017-04-11  Martin Sebor  <msebor@redhat.com>
19386
19387         PR middle-end/80364
19388         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
19389         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
19390         for INTEGER_TYPE.
19391         (directive::set_width, directive::set_precision, format_character):
19392         Adjust.
19393         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
19394         INTEGER_TYPE.
19395
19396 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
19397
19398         PR target/80389
19399         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
19400         conflict, set target->arch_name instead of target->cpu_name.
19401
19402 2017-04-11  Richard Biener  <rguenther@suse.de>
19403
19404         PR tree-optimization/80374
19405         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
19406         build_zero_cst, remove fold_convertible_p check again.
19407
19408 2017-04-11  Martin Liska  <mliska@suse.cz>
19409
19410         PR sanitizer/70878
19411         * ubsan.c (instrument_object_size): Do not instrument register
19412         variables.
19413
19414 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
19415
19416         PR target/80381
19417         * config/i386/i386-builtin-types.def
19418         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
19419         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
19420         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
19421         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
19422         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
19423         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
19424         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
19425         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
19426         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
19427         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
19428         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
19429         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
19430         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
19431         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
19432         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
19433         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
19434         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
19435         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
19436         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
19437         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
19438         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
19439         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
19440         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
19441         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
19442         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
19443         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
19444         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
19445         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
19446         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
19447         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
19448         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
19449         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
19450         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
19451         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
19452         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
19453         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
19454         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
19455         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
19456         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
19457         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
19458         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
19459         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
19460         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
19461         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
19462         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
19463         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
19464         aliases.
19465         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
19466         flag to second_arg_count, handle 4 argument function type _COUNT
19467         aliases, handle second_arg_count on second argument rather than last.
19468
19469 2017-04-10  Jeff Law  <law@redhat.com>
19470
19471         PR tree-optimization/80374
19472         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
19473         record anything if we can not convert integer_zero_node to the
19474         desired type.
19475
19476 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19477
19478         PR target/80108
19479         * config/rs6000/rs6000.c (rs6000_option_override_internal):
19480         Enhance special handling given to the TARGET_P9_MINMAX option in
19481         relation to certain other options.
19482
19483 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
19484
19485         PR tree-optimization/80153
19486         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
19487         remove POINTER_PLUS_EXPR's base part directly, rather than through
19488         aff_tree.
19489
19490 2017-04-10  Richard Biener  <rguenther@suse.de>
19491             Bin Cheng  <bin.cheng@arm.com>
19492
19493         PR tree-optimization/80153
19494         * tree-affine.c (aff_combination_to_tree): Get base pointer from
19495         the first element of pointer type aff_tree.  Build result expr in
19496         aff_tree's type.
19497         (add_elt_to_tree): Convert to type unconditionally.  Remove other
19498         fold_convert calls.
19499         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
19500         (rewrite_use_nonlinear_expr): Check invariant using iv information.
19501
19502 2017-04-10  Richard Biener  <rguenther@suse.de>
19503
19504         * tree-ssa-structalias.c (find_func_aliases): Properly handle
19505         asm inputs.
19506
19507 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
19508
19509         PR rtl-optimization/70478
19510         * lra-constraints.c (curr_small_class_check): New.
19511         (update_and_check_small_class_inputs): New.
19512         (process_alt_operands): Update curr_small_class_check.  Disfavor
19513         alternative insn memory operands.  Check available regs for small
19514         class operands.
19515
19516 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
19517
19518         PR target/80057
19519         * config/mips/mips.opt (-mvirt): Update description.
19520         * doc/invoke.texi (-mvirt): Likewise.
19521
19522 2017-04-10  Richard Biener  <rguenther@suse.de>
19523
19524         PR middle-end/80362
19525         * fold-const.c (fold_binary_loc): Look at unstripped ops when
19526         looking for NEGATE_EXPR in -A / -B to A / B folding.
19527
19528 2017-04-10  Martin Liska  <mliska@suse.cz>
19529
19530         PR gcov-profile/80224
19531         * gcov.c (print_usage): Fix usage string.
19532         (get_gcov_intermediate_filename): Remove.
19533         (output_gcov_file): Use both for normal and intermediate format.
19534         (generate_results): Do not initialize special file for
19535         intermediate format.
19536
19537 2017-04-10  Richard Biener  <rguenther@suse.de>
19538
19539         PR tree-optimization/80304
19540         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
19541         for safelen.
19542
19543 2017-04-10  Nathan Sidwell  <nathan@acm.org>
19544
19545         PR target/79905
19546         * config/rs6000/rs6000.c (rs6000_vector_type): New.
19547         (rs6000_init_builtins): Use it.
19548
19549 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19550
19551         * config/arm/arm.md (<mrc>): Add mode to SET source.
19552         (<mrrc>): Likewise.
19553
19554 2017-04-10  Richard Biener  <rguenther@suse.de>
19555
19556         PR middle-end/80344
19557         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
19558
19559 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
19560
19561         PR target/80324
19562         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
19563         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
19564         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
19565         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
19566         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
19567         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
19568         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
19569         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
19570         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
19571         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
19572         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
19573         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
19574         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
19575         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
19576         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
19577         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
19578         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
19579         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
19580         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
19581         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
19582         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
19583         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
19584         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
19585
19586 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
19587
19588         PR rtl-optimization/70478
19589         * lra-constraints.c: Reverse the last patch.
19590
19591 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
19592
19593         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
19594         Add comment for WCHAR_T.
19595
19596 2017-04-08  Martin Liska  <mliska@suse.cz>
19597
19598         Revert:
19599         2017-04-07  Martin Liska  <mliska@suse.cz>
19600
19601         PR ipa/80212
19602         * ipa-split.c (split_function): Add function part to a same comdat
19603         group.
19604
19605 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19606
19607         PR target/80358
19608         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
19609
19610 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
19611
19612         * rs6000/rs6000.c (vec_load_pendulum): Rename...
19613         (vec_pairing): ...to this.
19614         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
19615         (rs6000_sched_init): Adjust for name change.
19616         (struct rs6000_sched_context): Likewise.
19617         (rs6000_init_sched_context): Likewise.
19618         (rs6000_set_sched_context): Likewise.
19619
19620 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
19621
19622         PR target/80322
19623         PR target/80323
19624         PR target/80325
19625         PR target/80326
19626         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
19627         intrinsics.
19628         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
19629         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
19630         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
19631
19632 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
19633
19634         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
19635
19636 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
19637
19638         PR rtl-optimization/70703
19639         * ira-color.c (update_conflict_hard_regno_costs): Use
19640         int64_t instead of HOST_WIDE_INT.
19641
19642 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
19643
19644         PR rtl-optimization/70478
19645         * lra-constraints.c (process_alt_operands): Disfavor alternative
19646         insn memory operands.
19647
19648 2017-04-07  Jeff Law  <law@redhat.com>
19649
19650         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
19651         CALL and NOTE_INSN_CALL_ARG_LOCATION.
19652
19653 2017-04-07  Martin Liska  <mliska@suse.cz>
19654
19655         PR target/79889
19656         * config/aarch64/aarch64.c (aarch64_process_target_attr):
19657         Show error message instead of an ICE.
19658
19659 2017-04-07  Martin Liska  <mliska@suse.cz>
19660
19661         PR ipa/80212
19662         * ipa-split.c (split_function): Add function part to a same comdat
19663         group.
19664
19665 2017-04-07  Richard Biener  <rguenther@suse.de>
19666
19667         PR middle-end/80341
19668         * tree.c (get_unwidened): Also handle ! for_type case for
19669         INTEGER_CSTs.
19670         * convert.c (do_narrow): Split out from ...
19671         (convert_to_integer_1): ... here.  Do not pass final truncation
19672         type to get_unwidened for TRUNC_DIV_EXPR.
19673
19674 2017-04-07  Richard Biener  <rguenther@suse.de>
19675
19676         * tree-affine.c (wide_int_ext_for_comb): Take type rather
19677         than aff_tree.
19678         (aff_combination_const): Adjust.
19679         (aff_combination_scale): Likewise.
19680         (aff_combination_add_elt): Likewise.
19681         (aff_combination_add_cst): Likewise.
19682         (aff_combination_convert): Likewise.
19683         (add_elt_to_tree): Likewise.  Remove unused argument.
19684         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
19685
19686 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
19687
19688         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
19689         definition.
19690         * config/arm/arm.c (arm_default_short_enums): Use
19691         ARM_DEFAULT_SHORT_ENUMS.
19692         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
19693
19694 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
19695
19696         PR debug/80234
19697         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
19698         members with redundant out-of-class redeclaration.
19699
19700 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
19701
19702         PR target/80286
19703         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
19704         * config/i386/i386.md (*zero_extendsidi2):
19705         Add (?*x,*x) and (?*v,*v) alternatives.
19706
19707 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
19708
19709         PR target/79733
19710         * config/i386/i386.c (ix86_expand_builtin)
19711         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
19712         mode from insn data. Convert operands to insn operand mode.
19713         Copy operands that don't satisfy insn predicate to a register.
19714
19715 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
19716
19717         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
19718         Update comments.
19719
19720 2017-04-06  Richard Biener  <rguenther@suse.de>
19721
19722         PR tree-optimization/80334
19723         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
19724         preserve alignment of accesses.
19725
19726 2017-04-06  Richard Biener  <rguenther@suse.de>
19727
19728         PR tree-optimization/80262
19729         * tree-sra.c (build_ref_for_offset): Preserve address-space
19730         information.
19731         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
19732         Drop useless address-space information on MEM_REF offsets.
19733
19734 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
19735
19736         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
19737
19738 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
19739
19740         PR rtl-optimization/70703
19741         * ira-color.c (update_conflict_hard_regno_costs): Use
19742         HOST_WIDE_INT instead of long.
19743
19744 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
19745
19746         PR target/80298
19747         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
19748         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
19749         is not defined.
19750         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
19751         for x86_64 target.  Handle -m3dnowa option.
19752
19753 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
19754
19755         PR rtl-optimization/70703
19756         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
19757         (update_conflict_hard_regno_costs): Use long instead of unsigned
19758         arithmetic for cost calculation.
19759
19760 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
19761             Bernd Edlinger  <bernd.edlinger@hotmail.de>
19762
19763         PR sanitizer/80308
19764         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
19765         for big endian.
19766
19767 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
19768
19769         PR target/78002
19770         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
19771         ptr_mode with Pmode throughout.
19772         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
19773         into probe_stack_range and use DImode.
19774
19775 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19776
19777         PR target/79890
19778         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
19779         call_eh_return is true.
19780
19781 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19782
19783         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
19784         Initialize last_match_fntype_index.
19785
19786 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
19787
19788         PR target/80310
19789         * tree-nvr.c: Include internal-fn.h.
19790         (pass_return_slot::execute): Ignore internal calls without
19791         direct optab.
19792
19793 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19794             Richard Biener  <rguenther@suse.de>
19795
19796         PR c++/80297
19797         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
19798         captures used multiple times, except for the last use.
19799         * generic-match-head.c: Include gimplify.h.
19800
19801 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19802
19803         PR tree-optimization/79390
19804         * target.h (struct noce_if_info): Declare.
19805         * targhooks.h (default_noce_conversion_profitable_p): Declare.
19806         * target.def (noce_conversion_profitable_p): New target hook.
19807         * ifcvt.h (struct noce_if_info): New type, moved from ...
19808         * ifcvt.c (struct noce_if_info): ... here.
19809         (noce_conversion_profitable_p): Renamed to ...
19810         (default_noce_conversion_profitable_p): ... this.  No longer
19811         static nor inline.
19812         (noce_try_store_flag_constants, noce_try_addcc,
19813         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
19814         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
19815         instead of noce_conversion_profitable_p.
19816         * config/i386/i386.c: Include ifcvt.h.
19817         (ix86_option_override_internal): Don't override
19818         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
19819         (ix86_noce_conversion_profitable_p): New function.
19820         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
19821         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
19822         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
19823         * doc/tm.texi: Regenerated.
19824
19825 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19826
19827         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
19828         correction.
19829
19830 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19831
19832         PR target/80307
19833         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
19834         instructions for small multiply cores.
19835
19836 2017-04-04  Jeff Law  <law@redhat.com>
19837
19838         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
19839         added member.
19840         (mips_expand_vec_perm_const): Initialize elements in orig_perm
19841         that are not set by the loop over the elements.
19842
19843 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19844
19845         PR target/80286
19846         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
19847         int mode, convert_modes it to mode as unsigned, otherwise use
19848         lowpart_subreg to mode rather than SImode.
19849         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
19850         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
19851         Use DImode instead of SImode for the shift count operand.
19852         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
19853         Likewise.
19854
19855 2017-04-04  Richard Biener  <rguenther@suse.de>
19856
19857         PR middle-end/80281
19858         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
19859         arithmetic done for the negate or the plus.  Simplify.
19860         (A - (-B) -> A + B): Likewise.
19861         * fold-const.c (split_tree): Make sure to not negate pointers.
19862
19863 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
19864
19865         PR rtl-optimization/60818
19866         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
19867         a compare of comparisons with the thing compared if this results
19868         in a different machine mode.
19869
19870 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
19871
19872         * alias.c (base_alias_check): Fix typo in comment.
19873         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
19874         * cgraphunit.c (symbol_table::compile): Likewise.
19875         * collect2.c (maybe_run_lto_and_relink): Likewise.
19876         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
19877         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
19878         * config/avr/avr.c (avr_map_op_t): Likewise.
19879         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
19880         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
19881         * config/epiphany/epiphany.md (movcc): Likewise.
19882         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
19883         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
19884         Likewise.
19885         * config/mips/mips.c (mips_save_restore_reg): Likewise.
19886         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
19887         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
19888         * config/sh/sh.c (sh_rtx_costs): Likewise.
19889         * fold-const.c (fold_truth_andor): Likewise.
19890         * genautomata.c (collapse_flag): Likewise.
19891         * gengtype.h (struct type::u::s): Likewise.
19892         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
19893         * input.c (FORMAT_AMOUNT): Likewise.
19894         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
19895         (known_aggs_to_agg_replacement_list): Likewise.
19896         * ipa-inline-analysis.c: Likewise.
19897         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
19898         * ipa-polymorphic-call.c
19899         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
19900         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
19901         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
19902         Likewise.
19903         * modulo-sched.c (apply_reg_moves): Likewise.
19904         * omp-expand.c (build_omp_regions_1): Likewise.
19905         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
19906         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
19907         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
19908         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
19909         * value-prof.c: Likewise.
19910         * var-tracking.c (val_reset): Likewise.
19911
19912 2017-04-03  Richard Biener  <rguenther@suse.de>
19913
19914         PR tree-optimization/80275
19915         * fold-const.c (split_address_to_core_and_offset): Handle
19916         POINTER_PLUS_EXPR.
19917
19918 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
19919
19920         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
19921         descriptors is at least equal to that of functions.
19922
19923 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19924
19925         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
19926
19927 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19928
19929         PR target/80250
19930         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
19931         (mov<IMOD4:mode>): New expander.
19932         (*mov<IMOD4:mode>_internal): New insn and split pattern.
19933
19934 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
19935
19936         PR rtl-optimization/79405
19937         * fwprop.c (propagations_left): New variable.
19938         (forward_propagate_into): Decrement it.
19939         (fwprop_init): Initialize it.
19940         (fw_prop): If the variable has reached zero, stop propagating.
19941         (fwprop_addr): Ditto.
19942
19943 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19944
19945         PR debug/79255
19946         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
19947         a FUNCTION_DECL, pass it as decl instead of origin to
19948         process_scope_var.
19949
19950 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
19951
19952         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
19953         string.
19954
19955 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
19956
19957         PR target/80107
19958         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
19959         TARGET_VSX_SMALL_INTEGER.
19960
19961 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19962
19963         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
19964         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
19965
19966 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
19967
19968         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
19969         extraction from odd-numbered MSA register.
19970
19971 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19972
19973         PR middle-end/80173
19974         * expmed.c (store_bit_field_1): Don't attempt to create
19975         a word subreg out of hard registers wider than word if they
19976         have HARD_REGNO_NREGS of 1 for their mode.
19977
19978         PR middle-end/80163
19979         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
19980         conversions to integer types wider than word and pointer.
19981
19982         PR debug/80025
19983         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
19984         (rtx_equal_for_cselib_p): Pass 0 to it.
19985         * cselib.c (cselib_hasher::equal): Likewise.
19986         (rtx_equal_for_cselib_1): Add depth argument.  If depth
19987         is 128, don't look up VALUE locs and punt.  Increment
19988         depth in recursive calls when walking VALUE locs.
19989
19990 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19991
19992         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
19993         (make_gcov_file_name): Use the canonical path name for generating
19994         the MD5 value.
19995         (read_line): Fix handling of files with ascii null bytes.
19996
19997 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
19998
19999         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
20000         to initialise a vector register instead
20001         of using a const_int.
20002
20003 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
20004
20005         PR translation/80189
20006         * gimplify.c (omp_default_clause): Use %qs instead of %s in
20007         diagnostic messages.
20008
20009 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
20010
20011         PR target/80246
20012         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
20013         (dfp_diex_<mode>): Update mode of operand 1.
20014         * doc/extend.texi (dxex, dxexq): Document change to return type.
20015         (diex, diexq): Document change to argument type.
20016
20017 2017-03-30  Martin Jambor  <mjambor@suse.cz>
20018
20019         PR ipa/77333
20020         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
20021         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
20022         it reflects the signature changes performed at the callee side.
20023         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
20024         to cgraph_build_function_type_skip_args.
20025         (build_function_decl_skip_args): Adjust call to the above function.
20026
20027 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
20028
20029         PR target/80206
20030         * config/i386/sse.md
20031         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
20032         register as dest whenever it is a MEM not rtx_equal_p to the
20033         corresponding dup operand, and when forcing into reg move the
20034         reg into the memory afterwards.
20035         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
20036         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
20037         for the force_reg mode.
20038         (avx512vl_vextractf128<mode>): Use register as dest either
20039         always when a MEM, or when it is a MEM not rtx_equal_p to the
20040         corresponding dup operand, or even not when it is a CONST_VECTOR
20041         depending on the mode and lo vs. hi.
20042         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
20043         parens.
20044         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
20045         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
20046         Likewise.  Require that operands[2] is even.
20047         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
20048         Remove extraneous parens.  Require that operands[2] is a multiple
20049         of 4.
20050         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
20051         operands[0] is a MEM if <mask_applied>, the predicates/constraints
20052         disallow memory then.
20053
20054 2017-03-30  Richard Biener  <rguenther@suse.de>
20055
20056         PR tree-optimization/77498
20057         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
20058         to non-constants over backedges.
20059
20060 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
20061
20062         PR rtl-optimization/80233
20063         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
20064         as last_combined_insn.  Do not test for BARRIER_P separately.
20065
20066 2017-03-29  Andreas Schwab  <schwab@suse.de>
20067
20068         PR ada/80146
20069         * calls.c (prepare_call_address): Convert funexp to Pmode before
20070         copying to temp reg.
20071
20072 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20073
20074         PR tree-optimization/80158
20075         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
20076         Handle possible future case of more than one alternate
20077         interpretation.
20078         (replace_rhs_if_not_dup): Likewise.
20079         (replace_one_candidate): Likewise.
20080
20081 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
20082
20083         PR rtl-optimization/80193
20084         * ira.c (ira): Do not check allocation for LRA.
20085
20086 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
20087
20088         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
20089         (nvptx_output_simt_exit): Declare.
20090         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
20091         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
20092         (init_softstack_frame): Move initialization of crtl->is_leaf to...
20093         (nvptx_declare_function_name): ...here.  Emit declaration of local
20094         memory space buffer for omp_simt_enter insn.
20095         (nvptx_output_unisimt_switch): New.
20096         (nvptx_output_softstack_switch): New.
20097         (nvptx_output_simt_enter): New.
20098         (nvptx_output_simt_exit): New.
20099         * config/nvptx/nvptx.h (struct machine_function): New fields
20100         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
20101         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
20102         (UNSPECV_SIMT_EXIT): Ditto.
20103         (omp_simt_enter_insn): New insn.
20104         (omp_simt_enter): New expansion.
20105         (omp_simt_exit): New insn.
20106         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
20107
20108         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
20109         (expand_GOMP_SIMT_ENTER_ALLOC): New.
20110         (expand_GOMP_SIMT_EXIT): New.
20111         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
20112         (GOMP_SIMT_ENTER_ALLOC): Ditto.
20113         (GOMP_SIMT_EXIT): Ditto.
20114         * target-insns.def (omp_simt_enter): New insn.
20115         (omp_simt_exit): Ditto.
20116         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
20117         simt_dlist.
20118         (lower_rec_simd_input_clauses): Implement SIMT privatization.
20119         (lower_rec_input_clauses): Likewise.
20120         (lower_lastprivate_clauses): Handle SIMT privatization.
20121
20122         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
20123         (ompdevlow_adjust_simt_enter): New.
20124         (find_simtpriv_var_op): New.
20125         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
20126         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
20127
20128         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
20129         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
20130         (copy_decl_for_dup_finish): Ditto.
20131
20132         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
20133
20134 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
20135
20136         PR target/53383
20137         * config/i386/i386.c (ix86_option_override_internal): Always
20138         allow -mpreferred-stack-boundary=3 for 64-bit targets.
20139
20140 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
20141
20142         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
20143
20144 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
20145
20146         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
20147         mark new edge's irreducible flag accordign to it.
20148         (vect_do_peeling): Check loop preheader edge's irreducible flag
20149         and pass it to function slpeel_add_loop_guard.
20150
20151 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
20152
20153         PR tree-optimization/80218
20154         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
20155         Update block frequencies and counts.
20156
20157 2017-03-28  Richard Biener  <rguenther@suse.de>
20158
20159         PR tree-optimization/78644
20160         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
20161         of a simplification result we may not use it at all.
20162
20163 2017-03-28  Richard Biener  <rguenther@suse.de>
20164
20165         PR ipa/80205
20166         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
20167         without arguments, generate default definition of a SSA name.
20168
20169 2017-03-28  Richard Biener  <rguenther@suse.de>
20170
20171         PR middle-end/80222
20172         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
20173         TYPE_REF_CAN_ALIAS_ALL references.
20174         * fold-const.c (fold_indirect_ref_1): Likewise.
20175
20176 2017-03-28  Martin Liska  <mliska@suse.cz>
20177
20178         PR ipa/80104
20179         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
20180         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
20181
20182 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
20183             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
20184
20185         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
20186         (EXTRA_SPECS): Define.
20187         (SUBTARGET_EXTRA_SPECS): Likewise.
20188         (SUBTARGET_CPP_SPEC): Likewise.
20189         * config/arc/elf.h (EXTRA_SPECS): Renamed to
20190         SUBTARGET_EXTRA_SPECS.
20191         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
20192
20193 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
20194
20195         * config/arc/simdext.md (vst64_insn): Update pattern.
20196         (vld32wh_insn): Likewise.
20197         (vld32wl_insn): Likewise.
20198         (vld64_insn): Likewise.
20199         (vld32_insn): Likewise.
20200
20201 2017-03-28  Marek Polacek  <polacek@redhat.com>
20202
20203         PR sanitizer/80067
20204         * fold-const.c (fold_comparison): Use protected_set_expr_location
20205         instead of SET_EXPR_LOCATION.
20206
20207 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
20208
20209         * tree.c (add_expr): Avoid name lookup warning.
20210
20211 2017-03-27  Jeff Law  <law@redhat.com>
20212
20213         PR tree-optimization/80216
20214         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
20215         function name.  Limit recursion depth.
20216         (record_temporary_equivalences): Corresponding changes.
20217
20218 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
20219
20220         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
20221         covered first.
20222
20223 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
20224
20225         PR target/80102
20226         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
20227         notes.
20228         * cfgcleanup.c (reg_note_cfa_p): New array.
20229         (insns_have_identical_cfa_notes): New function.
20230         (old_insns_match_p): Don't cross-jump in between /f
20231         and non-/f instructions.  If both i1 and i2 are frame related,
20232         verify all CFA notes, their order and content.
20233
20234 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
20235
20236         PR target/78543
20237         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
20238         HImode and SImode with zero extend to DImode to one insn.
20239         (bswap<mode>2_extenddi): Likewise.
20240         (bswapsi2_extenddi): Likewise.
20241         (bswaphi2_extendsi): Likewise.
20242         (bswaphi2): Combine bswap HImode and SImode into one insn.
20243         Separate memory insns from swapping register.
20244         (bswapsi2): Likewise.
20245         (bswap<mode>2): Likewise.
20246         (bswaphi2_internal): Delete, no longer used.
20247         (bswapsi2_internal): Likewise.
20248         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
20249         store, and gpr<-gpr swap insns.
20250         (bswap<mode>2_store): Likewise.
20251         (bswaphi2_reg): Register only splitter, combine with the splitter.
20252         (bswaphi2 splitter): Likewise.
20253         (bswapsi2_reg): Likewise.
20254         (bswapsi2 splitter): Likewise.
20255         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
20256         the insns into load, store, and register/register insns.
20257         (bswapdi2_ldbrx): Likewise.
20258         (bswapdi2_load): Likewise.
20259         (bswapdi2_store): Likewise.
20260         (bswapdi2_reg): Likewise.
20261
20262 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
20263
20264         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
20265         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
20266
20267 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20268
20269         PR target/80103
20270         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
20271         add comments.
20272         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
20273         special handling for target option conflicts between dform
20274         options (-mpower9-dform, -mpower9-dform-vector,
20275         -mpower9-dform-scalar) and -mno-direct-move.
20276
20277 2017-03-27  Richard Biener  <rguenther@suse.de>
20278
20279         PR tree-optimization/80181
20280         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
20281
20282 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20283
20284         * config/arc/predicates.md (move_double_src_operand): Replace the
20285         call to move_double_src_operand with a call to address_operand.
20286
20287 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20288
20289         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
20290         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
20291         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
20292
20293 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20294
20295         * config/arc/predicates.md (long_immediate_loadstore_operand):
20296         Consider scaled addresses cases.
20297
20298 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
20299
20300         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
20301         restored when in interrupt.
20302         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
20303         doesn't have delay slot.
20304
20305 2017-03-27  Richard Biener  <rguenther@suse.de>
20306
20307         PR ipa/79776
20308         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
20309         inlined thunk clones.
20310
20311 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
20312
20313         PR sanitizer/80168
20314         * asan.c (instrument_derefs): Copy over last operand from
20315         original COMPONENT_REF to the new COMPONENT_REF with
20316         DECL_BIT_FIELD_REPRESENTATIVE.
20317         * ubsan.c (instrument_object_size): Likewise.
20318
20319 2017-03-27  Richard Biener  <rguenther@suse.de>
20320
20321         PR tree-optimization/80170
20322         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
20323         sure DR/SCEV didnt fold in constants we do not see when looking
20324         at the reference base alignment.
20325
20326 2017-03-27  Richard Biener  <rguenther@suse.de>
20327
20328         PR middle-end/80171
20329         * gimple-fold.c (fold_ctor_reference): Properly guard against
20330         NULL return value from canonicalize_constructor_val.
20331
20332 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
20333
20334         PR target/80180
20335         * config/i386/i386.c (ix86_expand_builtin)
20336         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
20337         flags reg setting and flags reg using instructions.
20338         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
20339         clobbering instructions to zero extend op2.
20340
20341 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
20342
20343         * doc/install.texi (Configuration) <--with-aix-soname>:
20344         Update link to AIX ld.
20345
20346 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
20347
20348         PR rtl-optimization/80160
20349         PR rtl-optimization/80159
20350         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
20351         reg_alternate_class into account.
20352
20353 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
20354
20355         PR target/80148
20356         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
20357         to consider in curr_insn_transform.
20358
20359 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
20360
20361         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
20362         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
20363         and emit_mode_inner.
20364
20365 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20366
20367         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
20368         argument to the overloaded builtin variants.  Use the new flag to
20369         deprecate certain builtin variants.
20370         * config/s390/s390-builtin-types.def: Add new builtin types.
20371         * config/s390/s390-builtins.h: Support new flags field for
20372         overloaded builtins.
20373         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
20374         (s390_macro_to_expand): Enable vector float data type.
20375         (s390_cpu_cpp_builtins_internal): Indicate support of the new
20376         builtins by incrementing the __VEC__ version number.
20377         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
20378         vec_xst.
20379         (s390_resolve_overloaded_builtin): Emit error messages depending
20380         on the builtin flags.
20381         * config/s390/s390.c (s390_expand_builtin): Support additional
20382         flags argument.  Change error message to match the messages
20383         emitted in s390-c.c.
20384         * config/s390/s390.md: New UNSPEC_* constants.
20385         (op_type): Add new instruction types.
20386         * config/s390/vecintrin.h: Add new builtins and test data class
20387         constants.
20388         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
20389         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
20390         (VEC_INEXACT, VEC_NOINEXACT): New constants.
20391         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
20392         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
20393         ("vec_mergel<mode>"): V_HW -> VEC_HW.
20394
20395         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
20396         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
20397         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
20398         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
20399
20400         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
20401         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
20402         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
20403         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
20404
20405         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
20406         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
20407         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
20408         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
20409         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
20410         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
20411         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
20412
20413         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
20414         ("vec_scatter_element<V_HW_4:mode>_DI")
20415         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
20416         ("vec_fpint<mode>", "vflls")
20417         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
20418         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
20419         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
20420         ("*vec_cmphe<mode>_cc"): ... these.
20421
20422         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
20423         mode constant instead of magic value.
20424
20425 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20426
20427         * config/s390/s390.c (s390_expand_vec_compare): Support other
20428         vector floating point modes than just V2DF.
20429         (s390_expand_vcond): Likewise.
20430         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
20431         (s390_cannot_change_mode_class): Prevent mode changes between TF
20432         and V1TF in vector registers.
20433         * config/s390/s390.md (DF, SF): New mode attributes.
20434         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
20435         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
20436         SFmode support for VRs.
20437         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
20438         vector fp modes.
20439         (VFT, VF_HW): New mode iterators.
20440         (vw, sdx): New mode attributes.
20441         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
20442         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
20443         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
20444         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
20445         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
20446         also the new vector floating point modes.  Renaming to ...
20447
20448         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
20449         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
20450         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
20451         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
20452         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
20453         ("vec_unordered<mode>"): ... these.
20454
20455         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
20456         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
20457         ("*vec_extendv2df"): New insn definitions.
20458
20459 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20460
20461         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
20462         ("mulditi3_2", "*muldi3_sign"): New patterns.
20463         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
20464         rename the pattern definition.
20465
20466 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20467
20468         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
20469         expander.
20470         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
20471
20472 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20473
20474         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
20475         instruction if possible.
20476         * config/s390/vector.md (vec_halfnumelts): New mode
20477         attribute.
20478         ("*vec_vllezlf<mode>"): New pattern.
20479
20480 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20481
20482         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
20483         ("popcountv4si2", "popcountv2di2"): Rename to ...
20484         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
20485         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
20486         condition.
20487         ("popcount<mode>2_vxe"): New pattern.
20488
20489 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20490
20491         * common/config/s390/s390-common.c (processor_flags_table): Add
20492         arch12.
20493         * config.gcc: Add arch12.
20494         * config/s390/driver-native.c (s390_host_detect_local_cpu):
20495         Default to arch12 for unknown CPU model numbers.
20496         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
20497         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
20498         PROCESSOR_max sanity check.
20499         * config/s390/s390-opts.h (enum processor_type): Add
20500         PROCESSOR_ARCH12.
20501         * config/s390/s390.c (processor_table): Add arch12.
20502         (s390_expand_builtin): Add check for B_VXE flag.
20503         (s390_issue_rate): Add PROCESSOR_ARCH12.
20504         (s390_get_sched_attrmask): Likewise.
20505         (s390_get_unit_mask): Likewise.
20506         (s390_sched_score): Enable z13 scheduling for arch12.
20507         (s390_sched_reorder): Likewise.
20508         (s390_sched_variable_issue): Likewise.
20509         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
20510         PF_VXE.
20511         (s390_tune_attr): Use z13 scheduling also for arch12.
20512         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
20513         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
20514         (TARGET_VXE_P): New macros.
20515         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
20516         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
20517         * config/s390/s390.opt: Add arch12 as processor_type.
20518
20519 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20520
20521         * config/s390/s390.md
20522         ("fixuns_truncdddi2", "fixuns_trunctddi2")
20523         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
20524         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
20525
20526         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
20527         Rename expanders to ...
20528
20529         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
20530         ("fixuns_truncdddi2_emu"): ... these.
20531
20532         ("fixuns_trunc<mode>si2_emu"): New expander.
20533
20534         ("*fixuns_truncdfdi2_z13"): Rename to ...
20535         ("*fixuns_truncdfdi2_vx"): ... this.
20536
20537 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20538
20539         * config/s390/2964.md: Remove the single element vector compare
20540         instructions which are no longer used.
20541         * config/s390/s390.c (s390_select_ccmode): Remove handling of
20542         vector CCmodes.
20543         (s390_canonicalize_comparison): Remove handling of DFmode
20544         compares.
20545         (s390_expand_vec_compare_scalar): Remove function.
20546         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
20547         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
20548         pattern.
20549         ("*cmp<mode>_ccs"): Add wfcdb instruction.
20550
20551 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20552
20553         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
20554         FP zero.
20555         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
20556         will anyway by matched by mov<mode>_64dfp.
20557
20558 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20559
20560         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
20561         vlef/vstef.  Add missing operand to vleif.
20562
20563 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20564
20565         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
20566         pair for all vector types with 64 bit elements.
20567         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
20568         * config/s390/vector.md (V_HW_64): ... here.
20569         (V_128_NOSINGLE): New mode iterator.
20570         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
20571         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
20572         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
20573         ("*vec_load_pairv2di"): Change to ...
20574         ("*vec_load_pair<mode>"): ... this one.
20575
20576 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20577
20578         * config/s390/constraints.md: Add comments.
20579         (jKK): Reject element sizes > 8 bytes.
20580         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
20581         s_operands.
20582         * config/s390/s390.md: Add the s_operand checks formerly in
20583         s390_split_ok_p to various splitters where they are still
20584         required.
20585         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
20586         for 128 bit vectors.  Plus two splitters.
20587
20588 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20589
20590         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
20591         the file.
20592
20593 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20594
20595         PR target/79893
20596         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
20597         error if the boundary argument is not constant.
20598
20599 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
20600
20601         PR rtl-optimization/80112
20602         * loop-doloop.c (doloop_condition_get): Don't check condition
20603         if cmp isn't SET with IF_THEN_ELSE src.
20604
20605 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20606
20607         PR tree-optimization/80158
20608         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
20609         replacing a candidate statement, also replace it for the
20610         candidate's alternate interpretation.
20611         (replace_rhs_if_not_dup): Likewise.
20612         (replace_one_candidate): Likewise.
20613
20614 2017-03-24  Richard Biener  <rguenther@suse.de>
20615
20616         PR tree-optimization/80167
20617         * graphite-isl-ast-to-gimple.c
20618         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
20619         properly.
20620         (translate_isl_ast_to_gimple::get_rename): Likewise.
20621
20622 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20623
20624         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
20625         handling of certain combinations of target options, including the
20626         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
20627         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
20628
20629 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20630
20631         PR target/71436
20632         * config/arm/arm.md (*load_multiple): Add reload_completed to
20633         matching condition.
20634
20635 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20636             Richard Biener  <rguenth@suse.de>
20637
20638         PR tree-optimization/79908
20639         PR tree-optimization/80136
20640         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
20641         been cast away, gimplify_and_add suffices.
20642
20643 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
20644
20645         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
20646
20647 2017-03-23  Richard Biener  <rguenther@suse.de>
20648
20649         PR tree-optimization/80032
20650         * gimplify.c (gimple_push_cleanup): Forced unconditional
20651         cleanups still have to go to the conditional_cleanups
20652         sequence.
20653
20654 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
20655
20656         PR tree-optimization/80072
20657         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
20658         to unsigned int.
20659         (next_operand_entry_id): Change type to unsigned int.
20660         (sort_by_operand_rank): Make sure to return the right return value
20661         even if unsigned fields are bigger than INT_MAX.
20662         (struct oecount): Change cnt and id type to unsigned int.
20663         (oecount_hasher::equal): Formatting fix.
20664         (oecount_cmp): Make sure to return the right return value
20665         even if unsigned fields are bigger than INT_MAX.
20666         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
20667
20668         PR c++/80129
20669         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
20670         TREE_READONLY on result if writing it more than once.
20671
20672         PR sanitizer/80110
20673         * doc/invoke.texi (-fsanitize=thread): Document that with
20674         -fnon-call-exceptions atomics are not able to throw
20675         exceptions.
20676
20677         PR sanitizer/80110
20678         * tsan.c: Include tree-eh.h.
20679         (instrument_builtin_call): Call maybe_clean_eh_stmt or
20680         maybe_clean_or_replace_eh_stmt where needed.
20681         (instrument_memory_accesses): Add cfg_changed argument.
20682         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
20683         if it returned true.
20684         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
20685
20686         PR rtl-optimization/63191
20687         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
20688         wrapper function, moved the whole old content into ...
20689         (ix86_delegitimize_address_1): ... this.  New inline function.
20690         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
20691         true as last argument instead of ix86_delegitimize_address.
20692
20693 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
20694
20695         * config/aarch64/aarch64.c (generic_branch_cost): Copy
20696         cortexa57_branch_cost.
20697
20698 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
20699
20700         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
20701
20702 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20703
20704         PR target/80123
20705         * doc/md.texi (Constraints): Document wA constraint.
20706         * config/rs6000/constraints.md (wA): New.
20707         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
20708         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
20709         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
20710         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
20711
20712 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
20713
20714         PR c++/80029
20715         * gimplify.c (is_oacc_declared): New function.
20716         (oacc_default_clause): Use it to set default flags for acc declared
20717         variables inside parallel regions.
20718         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
20719         declared variables.
20720         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
20721         declare attribute to any decl as necessary.
20722
20723 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
20724
20725         PR target/80082
20726         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
20727         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
20728         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
20729         (arm_arch_lpae): This.
20730         * config/arm/arm.c (arm_arch7ve): Rename into ...
20731         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
20732         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
20733         arm_arch_lpae.
20734
20735 2017-03-22  Martin Liska  <mliska@suse.cz>
20736
20737         PR target/79906
20738         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
20739         error message instead of an ICE.
20740
20741 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20742
20743         * doc/extend.texi (6.11 Additional Floating Types): Revise.
20744
20745 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20746
20747         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
20748         comments.
20749         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
20750         comments.
20751
20752 2017-03-21  Martin Sebor  <msebor@redhat.com>
20753
20754         * doc/extend.texi: Use "cannot" instead of "can't."
20755         * doc/hostconfig.texi: Same.
20756         * doc/install.texi: Same.
20757         * doc/invoke.texi: Same.
20758         * doc/loop.texi: Same.
20759         * doc/md.texi: Same.
20760         * doc/objc.texi: Same.
20761         * doc/rtl.texi: Same.
20762         * doc/tm.texi: Same.
20763         * doc/tm.texi.in: Same.
20764         * doc/trouble.texi: Same.
20765
20766 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
20767
20768         PR debug/63238
20769         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
20770         (collect_checksum_attributes): Set it.
20771         (die_checksum_ordered): Use it.
20772
20773 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20774
20775         PR tree-optimization/79908
20776         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
20777         change: For a VA_ARG whose LHS has been cast away, use
20778         force_gimple_operand to construct the side effects.
20779
20780 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
20781
20782         PR translation/80001
20783         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
20784         more amenable to translation.
20785         (oacc_loop_auto_partitions): Likewise.
20786
20787 2017-03-21  Marek Polacek  <polacek@redhat.com>
20788             Martin Sebor  <msebor@redhat.com>
20789
20790         PR tree-optimization/80109
20791         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
20792         on INTEGRAL_TYPE_P.
20793
20794 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
20795             Segher Boessenkool  <segher@kernel.crashing.org>
20796
20797         PR target/80125
20798         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
20799         check reg_used_between_p between insn and one of succ or succ2
20800         depending on if succ is artificial insn not inserted into insn
20801         stream.
20802
20803 2017-03-21  Martin Liska  <mliska@suse.cz>
20804
20805         PR gcov-profile/80081
20806         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
20807         * doc/gcc.texi: Include gcov-dump stuff.
20808         * doc/gcov-dump.texi: New file.
20809
20810 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
20811
20812         PR rtl-optimization/79150
20813         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
20814         conditional jump, if the jump is the last insn of the loop.
20815
20816 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20817             Richard Biener  <rguenth@suse.de>
20818
20819         PR tree-optimization/79908
20820         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
20821         been cast away, use force_gimple_operand to construct the side
20822         effects.
20823
20824 2017-03-21  Martin Liska  <mliska@suse.cz>
20825
20826         PR libfortran/79956
20827         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
20828         to NULL.
20829
20830 2017-03-21  Brad Spengler <spender@grsecurity.net>
20831
20832         PR plugins/80094
20833         * plugin.c (htab_hash_plugin): New function.
20834         (add_new_plugin): Use it and adjust.
20835         (parse_plugin_arg_opt): Adjust.
20836         (init_one_plugin): Likewise.
20837
20838 2017-03-21  Richard Biener  <rguenther@suse.de>
20839
20840         PR tree-optimization/80032
20841         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
20842         if set force the cleanup to happen unconditionally.
20843         (gimplify_target_expr): Push inserted clobbers with force_uncond
20844         to avoid them being removed by control-dependent DCE.
20845
20846 2017-03-21  Richard Biener  <rguenther@suse.de>
20847
20848         PR tree-optimization/80122
20849         * tree-inline.c (copy_bb): Do not expans va-arg packs or
20850         va_arg_pack_len when the inlined call stmt requires pack
20851         expansion itself.
20852         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
20853
20854 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
20855
20856         PR sanitizer/78158
20857         * tsan.c (instrument_builtin_call): If the memory model argument
20858         is not a constant, assume it is valid.
20859
20860         PR c/67338
20861         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
20862         avoid UB.
20863
20864 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
20865
20866         PR rtl-optimization/79910
20867         * combine.c (can_combine_p): Do not allow combining an I0 or I1
20868         if its dest is used by an insn before I2 (other than the combined
20869         insns themselves, which are properly handled already).
20870
20871 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
20872
20873         Revert:
20874         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20875
20876         * combine.c (record_used_regs): New static function.
20877         (try_combine): Handle situations where there is an additional
20878         instruction between I2 and I3 which needs to have a LOG_LINK
20879         updated.
20880
20881         Revert:
20882         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20883
20884         * combine.c (try_combine): Delete redundant i1 test.  Call
20885         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20886
20887 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20888
20889         PR target/80083
20890         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
20891         alternatives 13/14.
20892
20893 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20894
20895         PR tree-optimization/80054
20896         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
20897         the optimization if a PHI or any of its arguments is not dominated
20898         by the candidate's basis.  Use gphi* rather than gimple* as
20899         appropriate.
20900         (replace_profitable_candidates): Clean up a gimple* variable that
20901         should be a gphi* variable.
20902
20903 2017-03-20  Martin Sebor  <msebor@redhat.com>
20904
20905         PR c++/52477
20906         * doc/extend.texi (attribute constructor): Document present limitation.
20907
20908 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20909
20910         PR target/79963
20911         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
20912         __POWER9_VECTOR__ #ifdef control, change template definition to
20913         use Power9-specific built-in function.
20914         (vec_any_eq): Likewise.
20915         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
20916         to control outcomes from this test.
20917         (vector_ae_<mode>p): For VEC_F modes, likewise.
20918
20919 2017-03-20  Ian Lance Taylor  <iant@google.com>
20920
20921         * config/i386/i386.c (ix86_function_regparm): Save an extra
20922         register for -fsplit-stack with DECL_STATIC_CHAIN.
20923
20924 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20925
20926         PR target/79912
20927         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
20928         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
20929
20930 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20931
20932         * config/riscv/riscv.c (riscv_print_operand): Use "fence
20933         iorw,ow".
20934         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
20935         iorw,iorw".
20936
20937 2017-03-20  Marek Polacek  <polacek@redhat.com>
20938
20939         PR sanitizer/80063
20940         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
20941
20942 2017-03-20  Richard Biener  <rguenther@suse.de>
20943
20944         PR tree-optimization/80113
20945         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
20946         allocate extra SSA name for PHI def.
20947         (add_close_phis_to_outer_loops): Likewise.
20948         (add_close_phis_to_merge_points): Likewise.
20949         (copy_loop_close_phi_args): Likewise.
20950         (copy_cond_phi_nodes): Likewise.
20951
20952 2017-03-20  Martin Liska  <mliska@suse.cz>
20953
20954         PR middle-end/79753
20955         * tree-chkp.c (chkp_build_returned_bound): Do not build
20956         returned bounds for a LHS that's not a BOUNDED_P type.
20957
20958 2017-03-20  Martin Liska  <mliska@suse.cz>
20959
20960         PR target/79769
20961         PR target/79770
20962         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
20963         COMPLEX_CST and VECTOR_CST.
20964
20965 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20966
20967         PR target/78857
20968         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
20969         target operand.  A new splitter adds the clobber statement in case
20970         the target operand is dead anyway.
20971
20972 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
20973
20974         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
20975         to age-old versions of binutils and glibc.
20976
20977 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
20978
20979         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
20980
20981 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20982
20983         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
20984
20985 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20986
20987         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
20988         requirement for binutils 2.13.
20989
20990 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20991
20992         * combine.c (try_combine): Delete redundant i1 test.  Call
20993         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20994
20995 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
20996
20997         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
20998         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
20999         contents.
21000         <riscv64-*-elf>: Re-arrange section
21001         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
21002         <riscv32-*-linux>: Likewise.
21003         <riscv64-*-elf>: Likewise
21004         <riscv64-*-linux>: Likewise.
21005
21006 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
21007
21008         PR target/80052
21009         * aarch64.opt(verbose-cost-dump): Fix typo.
21010
21011 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
21012
21013         PR target/79951
21014         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
21015         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
21016
21017 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
21018
21019         * reload.c (find_reloads): When reloading a nonoffsettable address,
21020         use RELOAD_OTHER for it and its address reloads.
21021
21022         PR rtl-optimization/79910
21023         * combine.c (record_used_regs): New static function.
21024         (try_combine): Handle situations where there is an additional
21025         instruction between I2 and I3 which needs to have a LOG_LINK
21026         updated.
21027
21028 2017-03-17  Jeff Law  <law@redhat.com>
21029
21030         PR tree-optimization/71437
21031         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
21032         conditional in the hash table first.
21033         (vrp_dom_walker::before_dom_children): Extract condition from
21034         ASSERT_EXPR.  Record condition, its inverion and any implied
21035         conditions as well.
21036
21037 2017-03-17  Marek Polacek  <polacek@redhat.com>
21038             Markus Trippelsdorf  <markus@trippelsdorf.de>
21039
21040         PR tree-optimization/80079
21041         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
21042         m_stores_head.
21043
21044 2017-03-17  Richard Biener  <rguenther@suse.de>
21045
21046         PR middle-end/80075
21047         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
21048         Properly verify the LHS before the RHS possibly claims to be
21049         handled.
21050         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
21051         do not throw.
21052
21053 2017-03-17  Martin Jambor  <mjambor@suse.cz>
21054
21055         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
21056         (List of -O2 options): Likewise.
21057         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
21058         (-fipa-vrp) New.
21059
21060 2017-03-17  Tom de Vries  <tom@codesourcery.com>
21061
21062         * gcov-dump.c (print_usage): Print bug_report_url.
21063
21064 2017-03-17  Richard Biener  <rguenther@suse.de>
21065
21066         PR middle-end/80050
21067         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
21068         (parser::peek): Likewise.
21069
21070 2017-03-17  Richard Biener  <rguenther@suse.de>
21071
21072         PR tree-optimization/80048
21073         * sese.c (free_sese_info): Properly release rename_map and
21074         copied_bb_map elements.
21075
21076 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
21077
21078         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
21079         Add linked-list forward and backlinks.  Insert on
21080         construction, remove on destruction.
21081         (class pass_store_merging): Add m_stores_head field.
21082         (pass_store_merging::terminate_and_process_all_chains):
21083         Iterate over m_stores_head list.
21084         (pass_store_merging::terminate_all_aliasing_chains):
21085         Likewise.
21086         (pass_store_merging::execute): Check for debug stmts first.
21087         Push new chains onto the m_stores_head stack.
21088
21089 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
21090
21091         PR target/71294
21092         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
21093         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
21094         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
21095
21096 2017-03-16  Jeff Law  <law@redhat.com>
21097
21098         PR tree-optimization/71437
21099         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
21100         member function.  Implementation moved into after_dom_children
21101         member function and into the threader's thread_outgoing_edges
21102         function.
21103         (dom_opt_dom_walker::after_dom_children): Simplify by moving
21104         some code into new thread_outgoing_edges.
21105         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
21106         definition.  Simplify marker handling (do it here).   Assume we always
21107         have the available expression and the const/copies tables.
21108         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
21109         and tree-vrp.c
21110         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
21111         * tree-vrp.c (equiv_stack): No longer file scoped.
21112         (vrp_dom_walker): New class.
21113         (vrp_dom_walker::before_dom_children): New member function.
21114         (vrp_dom_walker::after_dom_children): Likewise.
21115         (identify_jump_threads):  Setup domwalker.  Use it rather than
21116         walking edges in a random order by hand.  Simplify setup/finalization.
21117         (finalize_jump_threads): Remove.
21118         (vrp_finalize): Do not call identify_jump_threads here.
21119         (execute_vrp): Do it here instead and call thread_through_all_blocks
21120         here too.
21121
21122         PR tree-optimization/71437
21123         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
21124         callers changed.
21125         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
21126         callers changed.
21127         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
21128         (dom_opt_dom_walker::thread_across_edge): Remove
21129         handle_dominating_asserts argument.  All callers changed.
21130         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
21131         changes.  Remove calls to lhs_of_dominating_assert.  Other
21132         uses of handle_dominating_asserts turn into unconditional code
21133         (simplify_control_stmt_condition_1): Likewise.
21134         (simplify_control_stmt_condition): Likewise.
21135         (thread_through_normal_block, thread_across_edge): Likewise.
21136         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
21137         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
21138         object if it is not an SSA_NAME.
21139         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
21140         before calling into the VRP specific simplifiers.
21141         (identify_jump_threads): Remove handle_dominating_asserts
21142         argument.
21143
21144 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
21145
21146         PR fortran/79886
21147         * tree-diagnostic.c (default_tree_printer): No longer static.
21148         * tree-diagnostic.h (default_tree_printer): New prototype.
21149
21150 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
21151
21152         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
21153         Change ins into fmov.
21154
21155 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21156
21157         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
21158         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
21159         Use h_con constraint for operand 1.
21160         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
21161         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
21162
21163 2017-03-15  Jeff Law  <law@redhat.com>
21164
21165         PR tree-optimization/71437
21166         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
21167         (record_temporary_equivalences): Use it.
21168
21169         PR tree-optimization/71437
21170         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
21171         tree-ssa-scopedtables.
21172         (lookup_avail_expr, build_and_record_new_cond): Likewise.
21173         (record_conditions, record_cond, vuse_eq): Likewise.
21174         (record_edge_info): Adjust to API tweak of record_conditions.
21175         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
21176         (record_temporary_equivalences, optimize_stmt): Likewise.
21177         (eliminate_redundant_computations): Likewise.
21178         (record_equivalences_from_stmt): Likewise.
21179         * tree-ssa-scopedtables.c: Include options.h and params.h.
21180         (vuse_eq): New function, moved from tree-ssa-dom.c
21181         (build_and_record_new_cond): Likewise.
21182         (record_conditions): Likewise.  Accept vector of conditions rather
21183         than edge_equivalence structure for first argument.
21184         for the first argument.
21185         (avail_exprs_stack::lookup_avail_expr): New member function, moved
21186         from tree-ssa-dom.c.
21187         (avail_exprs_stack::record_cond): Likewise.
21188         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
21189         from tree-ssa-dom.c.
21190         (avail_exprs_stack): Add new member functions lookup_avail_expr
21191         and record_cond.
21192         (record_conditions): Declare.
21193
21194 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
21195
21196         PR target/80017
21197         * lra-constraints.c (process_alt_operands): Increase reject for
21198         reloading an input/output operand.
21199
21200 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
21201
21202         PR target/79038
21203         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
21204         insns to convert from signed/unsigned char/short to IEEE 128-bit
21205         floating point.
21206         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
21207
21208 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
21209
21210         PR target/80019
21211         * config/i386/i386.c (ix86_vector_duplicate_value): Create
21212         subreg of inner mode for values already in registers.
21213
21214 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
21215
21216         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
21217         iteration reg is used after the loop.
21218
21219 2017-03-14  Martin Sebor  <msebor@redhat.com>
21220
21221         PR tree-optimization/79800
21222         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
21223         precision in negative-positive range.
21224         (format_floating): Call non-const overload with adjusted precision.
21225
21226 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
21227
21228         PR target/79947
21229         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
21230         -mpowerpc-gfxopt.
21231
21232 2017-03-14  Martin Sebor  <msebor@redhat.com>
21233
21234         PR middle-end/80020
21235         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
21236         * builtins.def (aligned_alloc): Use it.
21237
21238         PR c/79936
21239         * Makefile.in (GTFILES): Add calls.c.
21240         * calls.c: Include "gt-calls.h".
21241
21242 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
21243
21244         PR rtl-optimization/79728
21245         * regs.h (struct target_regs): New field
21246         x_contains_allocatable_regs_of_mode.
21247         (contains_allocatable_regs_of_mode): New macro.
21248         * reginfo.c (init_reg_sets_1): Initialize it, and change
21249         contains_reg_of_mode so it includes global regs as well.
21250         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
21251         rather than contains_regs_of_mode.
21252
21253 2017-03-14  Martin Liska  <mliska@suse.cz>
21254
21255         * doc/invoke.texi: Document options that can't be combined with
21256         -fcheck-pointer-bounds.
21257
21258 2017-03-14  Martin Liska  <mliska@suse.cz>
21259
21260         PR middle-end/79831
21261         * doc/invoke.texi (-Wchkp): Document the option.
21262
21263 2017-03-14  Martin Liska  <mliska@suse.cz>
21264
21265         * Makefile.in: Install gcov-dump.
21266
21267 2017-03-14  Martin Liska  <mliska@suse.cz>
21268
21269         * multiple_target.c (expand_target_clones): Bail out for
21270         an invalid attribute.
21271
21272 2017-03-14  Richard Biener  <rguenther@suse.de>
21273
21274         * alias.c (struct alias_set_entry): Pack properly.
21275         * cfgloop.h (struct loop): Likewise.
21276         * cse.c (struct set): Likewise.
21277         * ipa-utils.c (struct searchc_env): Likewise.
21278         * loop-invariant.c (struct invariant): Likewise.
21279         * lra-remat.c (struct cand): Likewise.
21280         * recog.c (struct change_t): Likewise.
21281         * rtl.h (struct address_info): Likewise.
21282         * symbol-summary.h (function_summary): Likewise.
21283         * tree-loop-distribution.c (struct partition): Likewise.
21284         * tree-object-size.c (struct object_size_info): Likewise.
21285         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
21286         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
21287         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
21288         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
21289         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
21290         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
21291         (struct _stmt_vec_info): Likewise.
21292
21293 2017-03-14  Martin Liska  <mliska@suse.cz>
21294
21295         PR target/79892
21296         * multiple_target.c (create_dispatcher_calls): Check that
21297         a target can create a function dispatcher.
21298
21299 2017-03-14  Martin Liska  <mliska@suse.cz>
21300
21301         PR lto/66295
21302         * multiple_target.c (expand_target_clones): Drop local.local
21303         flag for default implementation.
21304
21305 2017-03-14  Richard Biener  <rguenther@suse.de>
21306
21307         PR tree-optimization/80030
21308         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
21309
21310 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
21311
21312         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
21313         gcc_fallthrough() instead of __attribute__((fallthrough));
21314
21315 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
21316
21317         * doc/gcc.texi: Remove "up" link to (DIR).
21318         * doc/gccint.texi: Ditto.
21319
21320 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
21321
21322         * doc/install.texi (Specific) <avr>: Remove reference to
21323         binutils 2.13.
21324
21325 2017-03-13  Jeff Law  <law@redhat.com>
21326
21327         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
21328         attribute rather than comments.
21329
21330         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
21331         match_scratch operand is highest.
21332
21333 2017-03-13  Martin Liska  <mliska@suse.cz>
21334
21335         PR middle-end/78339
21336         * ipa-pure-const.c (warn_function_noreturn): If the declarations
21337         is a CHKP clone, use original declaration.
21338
21339 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21340
21341         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
21342         (arc_conditional_register_usage): Use a different allocation order
21343         when optimizing for size.
21344         * common/config/arc/arc-common.c (arc_option_optimization_table):
21345         Section anchors default on when optimizing for size.
21346
21347 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21348
21349         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
21350
21351 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21352
21353         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
21354         * config/arc/arc.md (cpu_facility): Add cd variant.
21355         (*movqi_insn): Add code density variant.
21356         (*movhi_insn): Likewise.
21357         (*movqi_insn): Likewise.
21358         (*addsi3_mixed): Likewise.
21359         (subsi3_insn): Likewise.
21360
21361 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21362
21363         * config/arc/arc.md (movsi_cond_exec): Update constraint.
21364
21365 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
21366
21367         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
21368         expressions with MINUS and UNARY ops.
21369
21370 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21371
21372         PR target/79911
21373         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
21374         Rename to...
21375         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
21376         between vec_select and vector argument.
21377         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
21378         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
21379         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
21380         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
21381         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
21382         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
21383
21384 2017-03-13  Richard Biener  <rguenther@suse.de>
21385
21386         PR other/79991
21387         * params.def (vect-max-peeling-for-alignment): Fix typo.
21388
21389 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
21390
21391         * doc/install.texi (Specific) <mips-*-*>: Remove description of
21392         issue that only occurred with binutils below 2.18.
21393
21394 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
21395
21396         * doc/install.texi (Specific) <cris-axis-elf>: No longer
21397         refer to binutils 2.11/2.12 minimum.
21398
21399 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
21400
21401         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
21402         ftp.kernel.org and simplify binutils requirement.
21403
21404 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
21405
21406         * doc/invoke.texi (Warning Options): Fix spelling of link-time
21407         optimization.
21408         (Optimize Options): Ditto.  Also remove redundancy.
21409
21410 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21411
21412         PR translation/79848
21413         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
21414         "%qs".
21415         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
21416         to G_ to avoid double translation.
21417
21418 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21419
21420         PR translation/79923
21421         * auto-profile.c (get_combined_location): Convert leading
21422         character of diagnostics to lower case and remove trailing period.
21423         (read_profile): Likewise for various diagnostics.
21424         * config/arm/arm.c (arm_option_override): Remove trailing period
21425         from various diagnostics.
21426         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
21427         (msp430_expand_delay_cycles): Likewise.
21428
21429 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21430
21431         PR target/79925
21432         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
21433         full command-line argument, rather than just "str".
21434         (aarch64_validate_march): Likewise.
21435         (aarch64_validate_mtune): Likewise.
21436
21437 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
21438
21439         PR rtl-optimization/78911
21440         * lra-assigns.c (must_not_spill_p): New function.
21441         (spill_for): Use it.
21442
21443 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
21444
21445         PR tree-optimization/79981
21446         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
21447         ATOMIC_COMPARE_EXCHANGE ifn result.
21448         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
21449         IFN_ATOMIC_COMPARE_EXCHANGE.
21450
21451 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21452
21453         PR driver/79875
21454         * opts.c (parse_sanitizer_options): Add missing question mark to
21455         "did you mean" message.
21456
21457 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21458
21459         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
21460         built-in.
21461         (VMULEUH_UNS): Likewise.
21462         (VMULOUB_UNS): Likewise.
21463         (VMULOUH_UNS): Likewise.
21464         * config/rs6000/rs6000.c (builtin_function_type): Remove
21465         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
21466
21467 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
21468
21469         PR bootstrap/79952
21470         * read-rtl-function.c (function_reader::read_rtx_operand): Update
21471         x with result of extra_parsing_for_operand_code_0.
21472         (function_reader::extra_parsing_for_operand_code_0): Convert
21473         return type from void to rtx, returning x.  When reading
21474         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
21475         larger size containing struct block_symbol.
21476
21477 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
21478
21479         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
21480         -mfloat128-hardware without -m64.
21481
21482 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
21483
21484         PR target/79941
21485         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
21486         entries to the case statement that marks unsigned arguments to
21487         overloaded functions.
21488
21489 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21490
21491         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
21492         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
21493
21494 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
21495
21496         PR target/79907
21497         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
21498         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
21499
21500 2017-03-10  Martin Liska  <mliska@suse.cz>
21501
21502         PR target/65705
21503         PR target/69804
21504         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
21505         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
21506         FIELD != NULL.
21507
21508 2017-03-10  Olivier Hainque  <hainque@adacore.com>
21509
21510         * tree-switch-conversion (array_value_type): Start by resetting
21511         candidate type to it's main variant.
21512
21513 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
21514
21515         PR rtl-optimization/79909
21516         * combine.c (try_combine): Use simplify_replace_rtx on individual
21517         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
21518         of the whole CALL_INSN_FUNCTION_USAGE.
21519
21520         PR tree-optimization/79972
21521         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
21522         get_range_info on SSA_NAMEs.  Formatting fixes.
21523
21524 2017-03-10  Richard Biener  <rguenther@suse.de>
21525             Jakub Jelinek  <jakub@redhat.com>
21526
21527         PR tree-optimization/77975
21528         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
21529         edge to be constant.
21530         (get_val_for): For constant x return it.  Formatting fix.
21531         (loop_niter_by_eval): Avoid pointless looping if the next iteration
21532         would use the same bases as the current one.
21533
21534 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21535
21536         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
21537         instead of vec_select for V1TImode.
21538         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
21539         longer needed.
21540         (VSX_LE_128): Add V1TI to this mode iterator.
21541         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
21542         (*vsx_le_perm_store_<mode>): Likewise.
21543         (pre-reload splitter for VSX stores): Likewise.
21544         (post-reload splitter for VSX stores): Likewise.
21545         (*vsx_xxpermdi2_le_<mode>): Likewise.
21546         (*vsx_lxvd2x2_le_<mode>): Likewise.
21547         (*vsx_stxvd2x2_le_<mode>): Likewise.
21548
21549 2017-03-09  Michael Eager  <eager@eagercon.com>
21550
21551         Correct failures with --enable-checking=yes,rtl.
21552
21553         * config/microblaze/microblaze.c (microblaze_expand_shift):
21554         Replace GET_CODE test with CONST_INT_P and INTVAL test with
21555         test for const0_rtx.
21556         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
21557         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
21558
21559 2017-03-09  Richard Biener  <rguenther@suse.de>
21560
21561         PR tree-optimization/79977
21562         * graphite-scop-detection.c (scop_detection::merge_sese):
21563         Handle the case of extra exits to blocks dominating the entry.
21564
21565 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
21566
21567         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
21568         Document rdynamic.
21569
21570 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
21571
21572         PR rtl-optimization/79949
21573         * lra-constraints.c (process_alt_operands): Check memory when
21574         trying to predict a cycle.  Print about the overall increase.
21575
21576 2017-03-09  Richard Biener  <rguenther@suse.de>
21577
21578         PR middle-end/79971
21579         * gimple-expr.c (useless_type_conversion_p): Preserve
21580         TYPE_SATURATING for fixed-point types.
21581
21582 2017-03-09  Richard Biener  <rguenther@suse.de>
21583
21584         PR ipa/79970
21585         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
21586         alignment of BLKmode params.
21587
21588 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21589
21590         PR target/79913
21591         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
21592         (VALL_NO_V2Q): Likewise.
21593         (VDQF_DF): Delete.
21594         * config/aarch64/aarch64-simd.md
21595         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
21596         iterator.
21597         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
21598         VALL_NO_V2Q mode iterator.
21599         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
21600
21601 2017-03-09  Martin Liska  <mliska@suse.cz>
21602
21603         PR tree-optimization/79631
21604         * tree-chkp-opt.c (chkp_is_constant_addr): Call
21605         tree_int_cst_sign_bit just for INTEGER constants.
21606
21607 2017-03-09  Martin Liska  <mliska@suse.cz>
21608
21609         PR target/65705
21610         PR target/69804
21611         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
21612         sanitizers.
21613
21614 2017-03-09  Marek Polacek  <polacek@redhat.com>
21615
21616         PR c++/79672
21617         * tree.c (inchash::add_expr): Handle TREE_VEC.
21618
21619 2017-03-09  Martin Liska  <mliska@suse.cz>
21620
21621         PR ipa/79764
21622         (chkp_narrow_size_and_offset): New function.
21623         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
21624         (void chkp_parse_bit_field_ref): New function.
21625         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
21626         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
21627
21628 2017-03-09  Martin Liska  <mliska@suse.cz>
21629
21630         PR ipa/79761
21631         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
21632         (chkp_find_bounds_1): Remove gcc_unreachable.
21633
21634 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
21635
21636         PR sanitizer/79944
21637         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
21638         BUILT_IN_SYNC*, determine the access type from the size suffix and
21639         always build a MEM_REF with that type.  Handle forgotten
21640         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
21641
21642         PR target/79932
21643         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
21644         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
21645         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
21646         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
21647         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
21648         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
21649         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
21650         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
21651         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
21652         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
21653         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
21654         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
21655         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
21656         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
21657         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
21658         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
21659         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
21660         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
21661         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
21662         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
21663         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
21664         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
21665         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
21666         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
21667         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
21668         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
21669         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
21670         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
21671         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
21672         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
21673         definitions outside of __OPTIMIZE__ guarded section.
21674
21675         PR target/79932
21676         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
21677         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
21678         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
21679         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
21680         guarded section.
21681
21682 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21683
21684         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
21685         ("vfenez<mode>"): Add missing constraints.
21686
21687 2017-03-08  Martin Sebor  <msebor@redhat.com>
21688
21689         PR target/79928
21690         * config/nds32/nds32.c (nds32_option_override):
21691         Fix misspelled diagnostic.
21692
21693 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21694
21695         PR c/79940
21696         * gimplify.c (gimplify_omp_for): Replace index var in outer
21697         taskloop statement with an artificial variable and add
21698         OMP_CLAUSE_PRIVATE clause for it.
21699
21700 2017-03-08  Richard Biener  <rguenther@suse.de>
21701
21702         PR tree-optimization/79955
21703         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
21704         for accesses that are completely outside of the variable.
21705
21706 2017-03-08  Andrew Haley  <aph@redhat.com>
21707
21708         PR tree-optimization/79943
21709         * tree-ssa-loop-split.c (compute_new_first_bound): When
21710         calculating the new upper bound, (END-BEG) should be added, not
21711         subtracted.
21712
21713 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21714
21715         * config/avr/avr.md (setmemhi): Make sure match_dup
21716         operand number comes before match_scratch.
21717
21718 2017-03-08  Richard Biener  <rguenther@suse.de>
21719
21720         PR tree-optimization/79920
21721         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
21722         with ncopies == 1 to ...
21723         (vect_transform_slp_perm_load): ... here.  Properly compute
21724         all element loads by iterating VF times over the group.  Do
21725         not handle ncopies (computed in a broken way) in
21726         vect_create_mask_and_perm.
21727
21728 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21729
21730         PR sanitizer/79904
21731         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
21732         is a uniform vector, use uniform_vector_p return value instead of
21733         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
21734
21735 2017-03-07  Marek Polacek  <polacek@redhat.com>
21736
21737         PR middle-end/79809
21738         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
21739         (alloca_call_type): Likewise.
21740
21741 2017-03-07  Martin Liska  <mliska@suse.cz>
21742
21743         * gcov.c (process_args): Put comment to correct location.
21744
21745 2017-03-07  Martin Liska  <mliska@suse.cz>
21746
21747         PR middle-end/68270
21748         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
21749         Use array_at_struct_end_p instead of DECL_CHAIN (field).
21750         (chkp_narrow_bounds_for_field): Likewise.
21751         (chkp_parse_array_and_component_ref): Pass one more argument to
21752         call.
21753
21754 2017-03-07  Richard Biener  <rguenther@suse.de>
21755
21756         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
21757         preheaders.
21758
21759 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
21760
21761         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
21762         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
21763
21764 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21765
21766         PR c/79855
21767         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
21768         to end of description.
21769         (PARAM_MAX_STORES_TO_MERGE): Likewise.
21770
21771 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
21772
21773         PR rtl-optimization/79901
21774         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
21775         ...
21776         (*avx512f_<code><mode>3<mask_name>): ... this.
21777         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
21778         iterator instead of VI8_AVX2_AVX512BW.
21779
21780         PR rtl-optimization/79901
21781         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
21782         min/max expander, expand it using expand_vec_cond_expr.
21783
21784         PR sanitizer/79897
21785         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
21786         temporary.
21787
21788 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
21789
21790         PR c++/79821
21791         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
21792         to void * for PCH reasons.
21793         * dwarf2out.c (output_loc_operands, output_die): Cast
21794         v.val_vec.array to unsigned char *.
21795
21796 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
21797
21798         PR target/77850
21799         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
21800         vector types.
21801
21802 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
21803
21804         PR rtl-optimization/79571
21805         * lra-constraints.c (process_alt_operands): Calculate static
21806         reject and subtract it from overall when only addresses will be
21807         reloaded.
21808
21809 2017-03-06  Julia Koval  <julia.koval@intel.com>
21810
21811         PR target/79793
21812         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
21813         incoming stack boundary to 128 for 64-bit targets.
21814
21815 2017-03-06  Richard Biener  <rguenther@suse.de>
21816
21817         PR tree-optimization/79894
21818         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
21819         to NULL after folding it.
21820
21821 2017-03-06  Richard Biener  <rguenther@suse.de>
21822
21823         PR tree-optimization/79824
21824         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
21825         check disabling peeling for gaps.
21826
21827 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
21828
21829         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
21830         attributes): Document gettimeofday.
21831
21832 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
21833
21834         * config/s390/s390.c (s390_option_override_internal): Set
21835         PARAM_MIN_VECT_LOOP_BOUND
21836
21837 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
21838
21839         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
21840         * config/s390/s390.md: Likewise.
21841
21842 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
21843
21844         PR target/79812
21845         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
21846         (<avx2_avx512>_perm<mode>): Rename to ...
21847         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
21848         of VI8F_256_512.
21849         (<avx512>_perm<mode>_mask): Rename to ...
21850         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
21851         of VI8F_256_512.
21852         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
21853         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
21854         instead of VI8F_256_512.
21855         (avx512f_perm<mode>): New define_expand.
21856         (avx512f_perm<mode>_mask): Likewise.
21857         (avx512f_perm<mode>_1<mask_name>): New define_insn.
21858         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
21859
21860 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21861
21862         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
21863         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
21864         if_then_else.
21865         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
21866
21867 2017-03-06  Martin Liska  <mliska@suse.cz>
21868
21869         PR sanitize/79783
21870         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
21871         when having a SSA NAME w/o VAR_DECL assigned to it.
21872
21873 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21874
21875         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
21876         msa_dpsub_<su>_d): Fix MODE for vec_select.
21877
21878 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21879
21880         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
21881         argument.
21882         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
21883
21884 2017-03-06  Richard Biener  <rguenther@suse.de>
21885
21886         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
21887         * plugin.c (register_plugin_info): Likewise.
21888         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
21889
21890 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
21891
21892         * config/i386/sse.md (sse_storehps, sse_storelps,
21893         avx_<castmode><avxsizesuffix>_<castmode>,
21894         avx512f_<castmode><avxsizesuffix>_<castmode>,
21895         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
21896         in condition that at least one operand is not a MEM.
21897
21898 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21899
21900         PR middle-end/79805
21901         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
21902         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
21903         ECF_NOTHROW.
21904         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
21905         gimple_call_nothrow_p flag based on whether original builtin can throw.
21906         If it can, emit following stmts on the fallthrough edge.
21907         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
21908         don't create new bb if inserting just debug stmts on the edge, try to
21909         insert them on the fallthru bb or just reset debug stmts.
21910
21911 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
21912
21913         PR target/43763
21914         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
21915         restore recog_data (including the operand rtxes inside it) around
21916         the call to get_insn_template.
21917
21918 2017-03-03  Martin Sebor  <msebor@redhat.com>
21919
21920         PR tree-optimization/79699
21921         * context.c (context::~context): Free MPFR caches to avoid
21922         a memory leak on program exit.
21923
21924 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21925
21926         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
21927         Use wide_int::ulow () instead of .elt (0).
21928
21929 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21930
21931         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
21932         (*pushxf): Limit oF constraint to 32bit targets and add oC
21933         constraint for 64bit targets.
21934         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
21935         (*pushdf): Change rmF constraint to rmC.
21936
21937 2017-03-03  Martin Liska  <mliska@suse.cz>
21938
21939         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
21940         Remove unused variable.
21941
21942 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21943
21944         PR target/79807
21945         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
21946         is a memory operand, increase num_memory.
21947         (ix86_expand_args_builtin): Likewise.
21948
21949 2017-03-03  Jan Hubicka  <jh@suse.cz>
21950
21951         PR lto/79760
21952         * ipa-devirt.c (maybe_record_node): Properly handle
21953         __cxa_pure_virtual visibility.
21954
21955 2017-03-03  Martin Liska  <mliska@suse.cz>
21956
21957         PR tree-optimization/79803
21958         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
21959         assert.
21960         (pass_loop_prefetch::execute): Disabled optimization if an
21961         assumption about L1 cache size is not met.
21962
21963 2017-03-03  Martin Liska  <mliska@suse.cz>
21964
21965         PR rtl-optimization/79574
21966         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
21967         (hash_scan_set): Likewise.
21968         (dump_hash_table): Likewise.
21969         (hoist_code): Likewise.
21970
21971 2017-03-03  Richard Biener  <rguenther@suse.de>
21972
21973         * fixed-value.c (fixed_from_string): Restore use of elt (1)
21974         in place of uhigh ().
21975         (fixed_convert_from_real): Likewise.
21976
21977 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21978
21979         PR target/79514
21980         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
21981
21982 2017-03-03  Richard Biener  <rguenther@suse.de>
21983
21984         PR middle-end/79818
21985         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
21986         TYPE_OVERFLOW_UNDEFINED check.
21987
21988 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21989
21990         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
21991         numbers.
21992         (vector_ae_<mode>_p): Likewise.
21993         (vector_nez_<mode>_p): Likewise.
21994         (vector_ne_v2di_p): Likewise.
21995         (vector_ae_v2di_p): Likewise.
21996         (vector_ne_<mode>_p): Likewise.
21997         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
21998         numbers.
21999         (vsx_tsqrt<mode>2_fe): Likewise.
22000
22001 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
22002
22003         PR target/79514
22004         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
22005
22006 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
22007
22008         PR rtl-optimization/79780
22009         * cprop.c (one_cprop_pass): When second and further conditional trap
22010         in a single basic block is turned into an unconditional trap, turn it
22011         into a deleted note to avoid RTL verification failures.
22012
22013 2017-03-02  Richard Biener  <rguenther@suse.de>
22014
22015         * fold-const.c (const_binop): Use ulow () instead of elt (0).
22016
22017 2017-03-02  Richard Biener  <rguenther@suse.de>
22018
22019         PR tree-optimization/79345
22020         PR c++/42000
22021         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
22022         param and abort the walk, returning -1 if it is hit.
22023         (walk_aliased_vdefs): Take a limit param and pass it on.
22024         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
22025         defaulting to 0 and return a signed int.
22026         * tree-ssa-uninit.c (struct check_defs_data): New struct.
22027         (check_defs): New helper.
22028         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
22029         about uninitialized memory.
22030         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
22031         bogus uninitialized warning.
22032         (fixed_convert_from_real): Likewise.
22033
22034 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
22035
22036         PR tree-optimization/66768
22037         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
22038         iv_use if base object can't be determined.
22039
22040 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
22041
22042         PR tree-optimization/79345
22043         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
22044         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
22045         (get_pattern_stats): Initialize it.
22046         * genemit.c (gen_expand): Verify match_scratch numbers come after
22047         match_operand/match_dup numbers.
22048         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
22049         match_scratch numbers.
22050         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
22051         Likewise.
22052         * config/s390/s390.md (trunctdsd2): Likewise.
22053
22054 2017-03-02  Richard Biener  <rguenther@suse.de>
22055
22056         * wide-int.h (wide_int_storage::operator=): Implement in terms
22057         of wi::copy.
22058
22059 2017-03-02  Richard Biener  <rguenther@suse.de>
22060
22061         PR tree-optimization/79777
22062         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
22063         the to insert expression to sth existing.
22064
22065 2017-03-01  Martin Sebor  <msebor@redhat.com>
22066
22067         PR middle-end/79692
22068         * gimple-ssa-sprintf.c
22069         (directive::known_width_and_precision): New function.
22070         (format_integer): Use it.
22071         (get_mpfr_format_length): Consider the full range of precision
22072         when computing %g output with the # flag.  Set the likely byte
22073         count to 3 rather than 1 when precision is indeterminate.
22074         (format_floating): Correct the lower bound of precision.
22075
22076 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22077
22078         * doc/invoke.texi: Document default code model for 64-bit Linux.
22079
22080 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22081
22082         PR target/79752
22083         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
22084         udiv rather than div since input pattern is unsigned.
22085
22086 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
22087
22088         * config/i386/i386.c (print_reg): Warn for values of
22089         unsupported size in integer register.
22090
22091 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
22092
22093         PR target/79439
22094         * config/rs6000/predicates.md (current_file_function_operand): Do
22095         not allow self calls to be local if the function is replaceable.
22096
22097 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
22098
22099         PR target/79395
22100         * config/rs6000/altivec.h (vec_ctz and others): Change the
22101         preprocessor macro that controls conditional compilation from
22102         _ARCH_PWR9 to __POWER9_VECTOR__.
22103         (vec_all_ne): Change parameterization of __altivec_scalar_pred
22104         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
22105         control (instead of _ARCH_PWR9 control) so that template
22106         definition uses power9-specific function.
22107         (vec_any_eq): Likewise.
22108         (vec_all_ne): Change macro definition to use a power9-specific
22109         expansion under #ifdef __POWER9_VECTOR__ control (instead of
22110         _ARCH_PWR9 control).
22111         (vec_any_eq) Likewise.
22112         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
22113         expansion for CMPNEF to remove support for xvcmpnesp instruction.
22114         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
22115         support for xvcmpnedp instruction.
22116         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
22117         macro expansion so that Power9 implementation of vec_all_ne does
22118         not use the AltiVec predicate framework.
22119         (VCMPNEH_P): Likewise.
22120         (VCMPNEW_P): Likewise.
22121         (VCMPNED_P): Likewise.
22122         (VCMPNEFP_P): Likewise.
22123         (VCMPNEDP_P): Likewise.
22124         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
22125         implementation of vec_any_eq to not use AltiVec predicate
22126         framework.
22127         (VCMPAEH_P): Likewise.
22128         (VCMPAEW_P): Likewise.
22129         (VCMPAED_P): Likewise.
22130         (VCMPAEFP_P): Likewise.
22131         (VCMPAEDP_P): Likewise.
22132         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
22133         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
22134         not use the AltiVec predicate framework.
22135         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
22136         of vec_any_eq to not use AltiVec predicate framework.
22137         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
22138         support for predefined __POWER9_VECTOR__ macro to indicate that
22139         Power9 instruction selection is enabled.
22140         (altivec_overloaded_builtins): Remove extraneous
22141         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
22142         function argument types RS6000_BTI_bool_V16QI and
22143         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
22144         entry for overloaded function argument types RS6000_BTI_bool_V4SI
22145         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
22146         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
22147         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
22148         Power9 for implementations of vec_cmpne.  Change the signature for
22149         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
22150         (representing vec_all_ne) to remove the previously described first
22151         argument of type RS6000_BTI_INTSI, as this was an artifact of
22152         reliance on the AltiVec predicate framework, which is no longer
22153         used in the implementation of these functions.  Add
22154         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
22155         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
22156         since, unlike the AltiVec predicate framework implementation, we
22157         do not share function descriptors between vec_alle and vec_anyeq.
22158         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
22159         set of modes that receive special treatment even when
22160         TARGET_P9_VECTOR is true.  The special treatment emits code that
22161         does not depend on Power9 instructions.
22162         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
22163         define_expand to not rely on AltiVec predicate framework.
22164         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
22165         function.
22166         (vector_ne_v2di_p): Change this define_expand to not rely on
22167         AltiVec predicate framework.
22168         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
22169         function.
22170         (vector_ne_<mode>_p): Change this define_expand to not rely on
22171         AltiVec predicate framework.
22172         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
22173         function.
22174         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
22175         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
22176         define_insn pattern.
22177         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
22178         define_insn pattern because the xvcmpne<VSs>. instruction is not
22179         supported.
22180         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
22181         instruction is not supported.
22182
22183 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
22184
22185         * config/nvptx/nvptx.c: Include intl.h.
22186
22187 2017-03-01  Martin Jambor  <mjambor@suse.cz>
22188
22189         PR lto/78140
22190         * ipa-prop.h (ipa_bits): Removed field known.
22191         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
22192         to pointers.  Adjusted their comments to warn about their sharing.
22193         (ipcp_transformation_summary): Change bits to a vector of pointers.
22194         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
22195         (ipa_get_ipa_bits_for_value): Declare.
22196         * tree-vrp.h (value_range): Mark as GTY((for_user)).
22197         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
22198         (ipa_bits_hash_table): Likewise.
22199         (ipa_vr_ggc_hash_traits): Likewise.
22200         (ipa_vr_hash_table): Likewise.
22201         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
22202         being pointers and vr_known being removed.
22203         (ipa_set_jf_unknown): Likewise.
22204         (ipa_get_ipa_bits_for_value): New function.
22205         (ipa_set_jfunc_bits): Likewise.
22206         (ipa_get_value_range): New overloaded functions.
22207         (ipa_set_jfunc_vr): Likewise.
22208         (ipa_compute_jump_functions_for_edge): Use the above functions to
22209         construct bits and vr parts of jump functions.
22210         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
22211         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
22212         exist.
22213         (ipcp_grow_transformations_if_necessary): Also allocate
22214         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
22215         exist.
22216         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
22217         them.  Fix too long lines.
22218         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
22219         vr_known being removed.
22220         (ipa_read_jump_function): Use new setter functions to construct bits
22221         and vr parts of jump functions or set them to NULL.
22222         (write_ipcp_transformation_info): Adjust for bits being pointers.
22223         (read_ipcp_transformation_info): Likewise.
22224         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
22225         space.
22226         Include gt-ipa-prop.h.
22227         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
22228         being pointers.
22229         (ipcp_store_bits_results): Likewise.
22230         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
22231         Do not write to existing jump functions but use a temporary instead.
22232
22233 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
22234
22235         PR c++/79681
22236         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
22237         attempt to use its first operand as BIT_FIELD_REF base.
22238
22239 2017-03-01  Richard Biener  <rguenther@suse.de>
22240
22241         PR middle-end/79721
22242         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
22243         interpolating formula in wrapping arithmetic.
22244         (chrec_apply): Convert chrec_evaluate return value to wanted type.
22245
22246 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
22247
22248         PR tree-optimization/79734
22249         * tree-vect-generic.c (expand_vector_condition): Optimize
22250         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
22251         Handle VEC_COND_EXPR where comparison has different inner width from
22252         type's inner width.
22253
22254 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
22255
22256         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
22257         markup, and similar issues.  Remove @opindex entries for things
22258         that aren't options.  Add missing -mmpy-option entries.
22259
22260 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
22261
22262         PR tree-optimization/79737
22263         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
22264         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
22265         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
22266         instead of byte_size.  Formatting fix.
22267         (shift_bytes_in_array_right): Formatting fix.
22268
22269 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
22270
22271         PR target/79749
22272         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
22273         condition on optimize for the leaf function test.
22274
22275 2017-02-28  Martin Liska  <mliska@suse.cz>
22276
22277         PR lto/79625
22278         * read-rtl-function.c (function_reader::handle_unknown_directive):
22279         Bail out when one uses -flto.
22280
22281 2017-02-28  Martin Liska  <mliska@suse.cz>
22282
22283         * common.opt: Replace space with tabular for options of <number>
22284         type.
22285         * config/i386/i386.opt: Show <number> value for
22286         -mlarge-data-threshold.
22287         * opts.c (print_filtered_help): Do not display number in hexadecimal
22288         format.
22289
22290 2017-02-28  Martin Liska  <mliska@suse.cz>
22291
22292         * common.opt: Fix --help=option -Q for options which are of
22293         an enum type.
22294
22295 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
22296
22297         * config/i386/i386.c (print_reg): Error out for values
22298         of 8-bit size in invalid integer register.
22299
22300 2017-02-28  Martin Sebor  <msebor@redhat.com>
22301
22302         PR tree-optimization/79691
22303         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
22304
22305 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
22306
22307         PR target/79729
22308         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
22309         gcc_unreachable with output_operand_lossage.
22310
22311 2017-02-28  Richard Biener  <rguenther@suse.de>
22312
22313         PR tree-optimization/79740
22314         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
22315         inserts.
22316         (visit_nary_op): Insert the nary into the hashtable if we
22317         pattern-matched sth.
22318         * tree-ssa-pre.c (eliminate_insert): Robustify.
22319
22320 2017-02-28  Richard Biener  <rguenther@suse.de>
22321
22322         PR middle-end/79731
22323         * fold-const.c (decode_field_reference): Reject out-of-bound
22324         accesses.
22325
22326 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
22327
22328         * config/i386/i386.c: Include intl.h.
22329         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
22330         instead of just cond ? "..." : "...".
22331         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
22332         * coverage.c (read_counts_file): Likewise.
22333         * omp-offload.c: Include intl.h.
22334         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
22335         of just cond ? "..." : "...".
22336         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
22337         of just cond ? "..." : "...".
22338
22339 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
22340
22341         PR target/79742
22342         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
22343         entry, if present.
22344         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
22345         'tune for' CPU name.
22346         * config/arm/arm-cpu-data.h: Regenerated.
22347
22348 2017-02-28  Richard Biener  <rguenther@suse.de>
22349
22350         PR tree-optimization/79732
22351         * tree-inline.c (expand_call_inline): Do not shadow var.
22352
22353 2017-02-28  Richard Biener  <rguenther@suse.de>
22354
22355         PR tree-optimization/79723
22356         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
22357         address-space properly.
22358
22359 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
22360
22361         * doc/optinfo.texi (Optimization groups): Fix option used for
22362         OPTGROUP_ALL.
22363         * doc/invoke.texi (-fopt-info): Document "omp".
22364         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
22365         (OPTGROUP_ALL): Add OPTGROUP_OMP.
22366         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
22367         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
22368         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
22369
22370         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
22371         all users.
22372         * dumpfile.c (optgroup_options): Instead of "openmp", associate
22373         OPTGROUP_OMP with "omp".
22374
22375 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
22376
22377         PR target/79544
22378         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
22379         for arithmetic shift of unsigned V2DI.
22380
22381 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
22382
22383         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
22384         arc/linux.h headers.
22385         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
22386         (LINK_SPEC): Likewise.
22387         (ARC_TLS_EXTRA_START_SPEC): Likewise.
22388         (EXTRA_SPECS): Likewise.
22389         (STARTFILE_SPEC): Likewise.
22390         (ENDFILE_SPEC): Likewise.
22391         (LIB_SPEC): Likewise.
22392         (TARGET_SDATA_DEFAULT): Likewise.
22393         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
22394         (MULTILIB_DEFAULTS): Likewise.
22395         (DWARF2_UNWIND_INFO): Likewise.
22396         * config/arc/big.h: New file.
22397         * config/arc/elf.h: Likewise.
22398         * config/arc/linux.h: Likewise.
22399         * config/arc/t-uClibc: Remove.
22400
22401 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
22402
22403         PR tree-optimization/77536
22404         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
22405         (tree_transform_and_unroll_loop): Use above function to compute the
22406         estimated niter of unrolled loop and use it when scaling profile.
22407         Also use count info rather than frequency if it's non-zero.
22408         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
22409         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
22410         (vect_transform_loop): Call above function.
22411
22412 2017-02-27  Richard Biener  <rguenther@suse.de>
22413
22414         PR tree-optimization/45397
22415         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
22416         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
22417         (visit_nary_op): Add pattern matching for CSEing sign-changed
22418         or truncated operations with wider ones.
22419
22420 2017-02-27  Richard Biener  <rguenther@suse.de>
22421
22422         PR tree-optimization/79690
22423         * tree-vect-stmts.c (vectorizable_store): Use vector type
22424         built from the DR with address-space.
22425
22426 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
22427
22428         * doc/invoke.texi (Optimize Options): Refine the description
22429         of asan-use-after-return.
22430
22431 2017-02-25  Alan Modra  <amodra@gmail.com>
22432
22433         PR rtl-optimization/79584
22434         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
22435         base, not ad->base_term, the reg within base.  Remove assertion
22436         that ad->base == ad->base_term.  Replace gen_int_mode using
22437         bogus mode with const0_rtx.
22438
22439 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
22440
22441         PR middle-end/79396
22442         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
22443         FMA_EXPR like tcc_binary or tcc_unary.
22444
22445         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
22446
22447         PR debug/77589
22448         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
22449         bitfield.
22450         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
22451         (output_loc_operands): Handle DW_OP_call_ref and
22452         DW_OP_GNU_variable_value.
22453         (struct variable_value_struct): New type.
22454         (struct variable_value_hasher): Likewise.
22455         (variable_value_hash): New variable.
22456         (string_types): Remove.
22457         (copy_loc_descr): New function.
22458         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
22459         (prepend_loc_descr_to_each): New function.
22460         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
22461         instead of add_loc_descr_to_each if the first argument is single
22462         location list and the second has multiple.
22463         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
22464         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
22465         when looking for variable value which doesn't have other location info.
22466         (loc_list_from_tree): Formatting fix.
22467         (gen_array_type_die): Simplify DW_AT_string_length handling.
22468         (adjust_string_types): Remove.
22469         (gen_subprogram_die): Don't call adjust_string_types nor test/set
22470         string_types.  Call resolve_variable_values.
22471         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
22472         (resolve_addr_in_expr): Likewise.  Add A argument.
22473         (copy_deref_exprloc): Remove deref argument.  Adjust for the
22474         original expression being DW_OP_GNU_variable_value with optionally
22475         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
22476         optionally after it.
22477         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
22478         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
22479         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
22480         (variable_value_hasher::hash, variable_value_hasher::equal): New
22481         methods.
22482         (resolve_variable_value_in_expr, resolve_variable_value,
22483         resolve_variable_values, note_variable_value_in_expr,
22484         note_variable_value): New functions.
22485         (dwarf2out_early_finish): Call note_variable_value on all toplevel
22486         DIEs.
22487
22488 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
22489
22490         PR c/79677
22491         * opts.h (handle_generated_option): Add GENERATED_P argument.
22492         * opts-common.c (handle_option): Adjust function comment.
22493         (handle_generated_option): Add GENERATED_P argument, pass it to
22494         handle_option.
22495         (control_warning_option): Pass false to handle_generated_option
22496         GENERATED_P.
22497         * opts.c (maybe_default_option): Pass true to handle_generated_option
22498         GENERATED_P.
22499         * optc-gen.awk: Likewise.
22500
22501 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22502
22503         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
22504         a REG, look at the REG it is a SUBREG of.
22505         (splitter for cmpeqsi_t): Ditto.
22506
22507 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22508
22509         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
22510         the special USEs with the pattern of the insn, not the insn itself.
22511
22512 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
22513
22514         PR target/79473
22515         * doc/invoke.texi: Document -mload-store-pairs.
22516
22517 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22518             Sandra Loosemore  <sandra@codesourcery.com>
22519
22520         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
22521         argument isn't a CONST_INT.
22522         (nios2_alternate_compare_const): Assert op is a CONST_INT.
22523         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
22524         (nios2_validate_compare): Bypass alternate compare logic if *op2
22525         is not a CONST_INT.
22526         (ldstwm_operation_p): Return false if first_base is not a REG or
22527         if first_offset is not a CONST_INT.
22528
22529 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22530
22531         * config/cris/cris.md: Use correct operand in a define_peephole2.
22532
22533 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22534
22535         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
22536
22537 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
22538
22539         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
22540         this_insn if it is an INSN or JUMP_INSN.
22541         (force_offsettable): Look at base, not at addr.
22542         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
22543         on things that aren't necessarily CONST_INTs.
22544
22545 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
22546
22547         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
22548         -mfpmath=sse is the default also for x86-32 targets with SSE2
22549         instruction set when @option{-ffast-math} is enabled
22550
22551 2017-02-24  Jeff Law  <law@redhat.com>
22552
22553         PR rtl-optimizatoin/79286
22554         * ira.c (update_equiv_regs): Drop may_trap_p exception to
22555         dominance test.
22556
22557 2017-02-24  Richard Biener  <rguenther@suse.de>
22558
22559         PR tree-optimization/79389
22560         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
22561         debug insns.
22562
22563 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
22564
22565         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
22566         function comment to reflect reality.
22567         (loop_exits_before_overflow): Fix typo in function description.
22568
22569 2017-02-24  Richard Biener  <rguenther@suse.de>
22570
22571         PR tree-optimization/79389
22572         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
22573         properly that a threading opportunity exists.  Detect conditional
22574         copy/constant propagation opportunities.
22575
22576 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
22577
22578         * config/visium/visium.md (type): Add trap.
22579         (b): New mode attribute.
22580         (*btst): Rename into...
22581         (*btst<mode>): ...this and adjust.
22582         (*cbranchsi4_btst_insn): Rename into...
22583         (*cbranch<mode>4_btst_insn): ...this and adjust.
22584         (trap): New define_insn.
22585
22586 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
22587
22588         PR tree-optimization/79389
22589         * ifcvt.c (struct noce_if_info): Add rev_cond field.
22590         (noce_reversed_cond_code): New function.
22591         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
22592         reversed_comparison_code.  Formatting fix.
22593         (noce_try_store_flag): Test rev_cond != NULL in addition to
22594         reversed_comparison_code.
22595         (noce_try_store_flag_constants): Likewise.
22596         (noce_try_store_flag_mask): Likewise.
22597         (noce_try_addcc): Use rev_cond if non-NULL instead of
22598         reversed_comparison_code.
22599         (noce_try_cmove_arith): Likewise.  Formatting fixes.
22600         (noce_try_minmax, noce_try_abs): Clear rev_cond.
22601         (noce_find_if_block): Initialize rev_cond.
22602         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
22603         instead of false as last argument never attempt to reverse it
22604         afterwards.
22605
22606 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
22607
22608         PR tree-optimization/79663
22609         * tree-predcom.c (combine_chains): Process refs in reverse order
22610         only for ZERO length chains, and add explaining comment.
22611
22612 2017-02-23  Jeff Law  <law@redhat.com>
22613
22614         PR tree-optimization/79578
22615         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
22616         in call to operand_equal_p.
22617
22618 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
22619
22620         PR target/71017
22621         * config/i386/cpuid.h: Fix another undefined behavior.
22622
22623 2017-02-23  Richard Biener  <rguenther@suse.de>
22624
22625         PR tree-optimization/79683
22626         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
22627         vector types for data-refs.
22628
22629 2017-02-23  Martin Liska  <mliska@suse.cz>
22630
22631         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
22632
22633 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
22634
22635         PR middle-end/79665
22636         * internal-fn.c (get_range_pos_neg): Moved to ...
22637         * tree.c (get_range_pos_neg): ... here.  No longer static.
22638         * tree.h (get_range_pos_neg): New prototype.
22639         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
22640         are known to be in between 0 and signed maximum inclusive, try to
22641         expand both unsigned and signed divmod and use the cheaper one from
22642         those.
22643
22644 2017-02-22  Jeff Law  <law@redhat.com>
22645
22646         PR tree-optimization/79578
22647         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
22648         to compare base operands.
22649
22650 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
22651
22652         PR target/79211
22653         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
22654         gpc_reg_operand instead of fpr_reg_operand.
22655
22656 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
22657
22658         * config/mips/mips.c (mips_return_in_memory): Force FP
22659         vector types to be returned in memory for o32 ABI.
22660
22661 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
22662
22663         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
22664         instead of DW_TAG_member for static data member declarations and don't
22665         set no_linkage_name for static inline data members.
22666         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
22667         to DW_TAG_member.
22668
22669 2017-02-22  Martin Liska  <mliska@suse.cz>
22670
22671         * doc/invoke.texi: Replace inequality signs with square brackets
22672         for -Wnormalized.
22673
22674 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22675
22676         PR tree-optimization/68644
22677         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
22678
22679 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
22680
22681         PR target/78660
22682         * lra-constraints.c (simplify_operand_subreg): Handle
22683         WORD_REGISTER_OPERATIONS targets.
22684
22685 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
22686
22687         PR target/70465
22688         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
22689         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
22690         elimination by swapping fld*.
22691
22692 2017-02-22  Richard Biener  <rguenther@suse.de>
22693
22694         PR tree-optimization/79673
22695         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
22696         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
22697         irrelevant address-space qualifiers and avoiding a
22698         ADDR_SPACE_CONVERT_EXPR from fold_convert.
22699
22700 2017-02-22  Richard Biener  <rguenther@suse.de>
22701
22702         PR tree-optimization/79666
22703         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
22704         to not symbolically negate if that may introduce undefined
22705         overflow.
22706
22707 2017-02-22  Martin Liska  <mliska@suse.cz>
22708
22709         PR lto/79587
22710         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
22711         * data-streamer-out.c (streamer_write_gcov_count_stream):
22712         Likewise.
22713         * value-prof.c (stream_out_histogram_value): Make assert more
22714         precise based on type of counter.
22715
22716 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
22717
22718         PR target/79593
22719         * config/i386/i386.md (standard_x87sse_constant_load splitter):
22720         Use nonimmediate_operand instead of memory_operand for operand 1.
22721         (float-extend standard_x87sse_constant_load splitter): Ditto.
22722
22723 2017-02-21  Jeff Law  <law@redhat.com>
22724
22725         PR tree-optimization/79621
22726         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
22727         blocks with edges to themselves.
22728
22729 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22730
22731         PR target/79633
22732         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
22733         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
22734         Use gimple_call_builtin_p.
22735
22736         PR target/79570
22737         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
22738         on temporarily removed DEBUG_INSNs.
22739
22740         PR tree-optimization/79649
22741         * tree-loop-distribution.c (classify_partition): Give up on
22742         non-generic address space loads/stores.
22743
22744 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
22745
22746         * doc/loop.texi (Loop manipulation): Remove nonexistent
22747         tree_ssa_loop_version from the documentation.
22748         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
22749
22750 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22751
22752         PR target/79494
22753         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
22754         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
22755         * config/rs6000/rs6000.c: Include except.h.
22756         (rs6000_expand_split_stack_prologue): Call
22757         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
22758
22759 2017-02-21  Martin Jambor  <mjambor@suse.cz>
22760
22761         PR lto/79579
22762         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
22763         have been analyzed.
22764
22765 2017-02-21  Martin Jambor  <mjambor@suse.cz>
22766
22767         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
22768         for backward compatibility only.
22769         * doc/invoke.texi (Option Summary): Remove all references to
22770         -fipa-cp-alignment.
22771
22772 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
22773
22774         PR target/78660
22775         Revert:
22776         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22777
22778         * lra-constraints.c (curr_insn_transform): Handle
22779         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
22780
22781 2017-02-21  Martin Liska  <mliska@suse.cz>
22782
22783         * config/i386/i386.opt: Replace -masm-dialect with -masm.
22784
22785 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
22786
22787         PR translation/79638
22788         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
22789
22790 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
22791
22792         PR ada/67205
22793         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
22794         (arm_function_ok_for_sibcall): Return false for an indirect call by
22795         descriptor if all the argument registers are used.
22796         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
22797         alignment of the function.
22798
22799 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22800
22801         PR tree-optimization/61441
22802         * simplify-rtx.c (simplify_const_unary_operation): For
22803         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
22804         the sNaN unmodified.
22805
22806 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
22807
22808         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
22809         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
22810         instead of SYSTEM_HEADER_DIR.
22811
22812 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
22813             Martin Liška  <mliska@suse.cz>
22814
22815         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
22816         Fix typos and grammar, use active voice, and clarify.
22817
22818 2017-02-20  Marek Polacek  <polacek@redhat.com>
22819
22820         PR middle-end/79537
22821         * gimplify.c (gimplify_expr): Handle unused *&&L;.
22822
22823         PR sanitizer/79558
22824         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
22825
22826 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
22827
22828         PR target/79568
22829         * config/i386/i386.c (ix86_expand_builtin): Handle
22830         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
22831         ix86_builtins_isa[fcode].isa as a requirement of those
22832         flags and any other flag in the bitmask.
22833         (ix86_init_mmx_sse_builtins): Use 0 instead of
22834         ~OPTION_MASK_ISA_64BIT as mask.
22835         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
22836         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
22837         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
22838         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
22839
22840 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22841
22842         PR target/78012
22843         * lra-constraints.c (split_reg): Check requested split mode
22844         is supported by the register.
22845
22846 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22847
22848         * lra-constraints.c (simplify_operand_subreg): Remove early
22849         return false.
22850
22851 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22852
22853         PR target/78660
22854         * lra-constraints.c (curr_insn_transform): Tighten condition
22855         for converting SUBREG reloads from OP_OUT to OP_INOUT.
22856
22857 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22858
22859         PR target/78660
22860         * lra-constraints.c (curr_insn_transform): Handle
22861         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
22862
22863 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
22864
22865         Revert:
22866         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
22867
22868         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
22869
22870 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
22871
22872         PR c++/69523
22873         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
22874         description.
22875
22876 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22877
22878         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
22879         for FMA_EXPR.
22880
22881 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
22882
22883         * final.c (last_columnnum, override_columnnum): New variables.
22884         (final_start_function): Set last_columnnum, pass it to begin_prologue
22885         hook and pass 0 to dwarf2out_begin_prologue.
22886         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
22887         to source_line debug hook.
22888         (notice_source_line): Compute last_columnnum and for debug_column_info
22889         return true on column changes.
22890         * debug.h (struct gcc_debug_hooks): Add column argument to
22891         source_line and begin_prologue hooks.
22892         (debug_nothing_int_charstar_int_bool): Remove prototype.
22893         (debug_nothing_int_int_charstar,
22894         debug_nothing_int_int_charstar_int_bool): New prototypes.
22895         (dwarf2out_begin_prologue): Add column argument.
22896         * debug.c (do_nothing_debug_hooks): Adjust source_line and
22897         begin_prologue hooks.
22898         (debug_nothing_int_charstar_int_bool): Remove.
22899         (debug_nothing_int_int_charstar,
22900         debug_nothing_int_int_charstar_int_bool): New functions.
22901         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
22902         through to dwarf2out_source_line.
22903         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
22904         (dwarf2out_source_line): Add column argument, emit it if requested.
22905         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
22906         arguments.
22907         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22908         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22909         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
22910         through to dwarf2out_begin_prologue.
22911         (vmsdbgout_source_line): Add column argument, pass it through to
22912         dwarf2out_source_line.
22913         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
22914         dbxout_source_line caller.
22915         (dbxout_source_line): Add column argument.
22916
22917         * common.opt (gno-column-info, gcolumn-info): New options.
22918         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
22919         (check_die): Also test for multiple DW_AT_decl_column attributes.
22920         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
22921         DW_AT_decl_column if requested.
22922         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
22923         if requested.
22924         (gen_variable_die): Likewise.
22925         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
22926         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
22927
22928         PR target/79569
22929         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
22930         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
22931         (ix86_handle_option): Handle OPT_m3dnowa.
22932         * doc/invoke.texi (-m3dnowa): Document.
22933         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
22934         -m3dnowa instead of -m3dnow -march=athlon.
22935
22936         PR target/79559
22937         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
22938         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
22939
22940 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22941
22942         PR target/79261
22943         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
22944         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
22945         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
22946         generator for vsx_xxpermdi_<mode>_be.
22947         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
22948         force big-endian semantics.
22949         (vsx_xxpermdi_<mode>_be): New define_expand with same
22950         implementation as previous version of vsx_xxpermdi_<mode>.
22951
22952 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
22953
22954         PR tree-optimization/79327
22955         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
22956         variable, its initialization and use.
22957
22958 2017-02-17  Julia Koval  <julia.koval@intel.com>
22959
22960         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
22961         (OPTION_MASK_ISA_PKU_UNSET): New.
22962         (ix86_handle_option): Handle -mrdpid.
22963         * config/i386/cpuid.h (bit_RDPID): New.
22964         * config/i386/driver-i386.c (host_detect_local_cpu):
22965         Detect RDPID feature.
22966         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
22967         * config/i386/i386-c.c (ix86_target_macros_internal):
22968         Handle RDPID flag.
22969         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
22970         (ix86_valid_target_attribute_inner_p): Add "rdpid".
22971         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
22972         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
22973         * config/i386/i386.md (define_insn "rdpid"): New.
22974         * config/i386/i386.opt Add -mrdpid.
22975         * config/i386/immintrin.h (_rdpid_u32): New.
22976
22977 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
22978
22979         PR rtl-optimization/79541
22980         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
22981         instead of transforming it into USE.
22982
22983 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
22984
22985         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
22986         If HONOR_SNANS (SFmode) force the input to a register.
22987         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
22988         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
22989         an frsp or similar insn.
22990
22991 2017-02-17  Martin Liska  <mliska@suse.cz>
22992
22993         PR rtl-optimization/79577
22994         * params.def (selsched-max-sched-times): Increase minimum to 1.
22995
22996 2017-02-17  Martin Liska  <mliska@suse.cz>
22997
22998         PR rtl-optimization/79574
22999         * gcse.c (want_to_gcse_p): Prevent integer overflow.
23000
23001 2017-02-17  Martin Liska  <mliska@suse.cz>
23002
23003         PR tree-optimization/79529
23004         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
23005         ssa_defined_default_def_p to handle cases which are implicitly
23006         defined.
23007         * tree-ssa.c (ssa_defined_default_def_p): New function.
23008         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
23009         which are implicitly defined.
23010         * tree-ssa.h (ssa_defined_default_def_p): Declare.
23011
23012 2017-02-17  Richard Biener  <rguenther@suse.de>
23013
23014         PR middle-end/79576
23015         * params.def (max-ssa-name-query-depth): Limit to 10.
23016
23017 2017-02-17  Richard Biener  <rguenther@suse.de>
23018
23019         PR tree-optimization/79552
23020         * tree-ssa-structalias.c (visit_loadstore): Properly verify
23021         default defs.
23022
23023 2017-02-17  Richard Biener  <rguenther@suse.de>
23024
23025         PR bootstrap/79567
23026         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
23027
23028 2017-02-17  Marek Polacek  <polacek@redhat.com>
23029
23030         PR middle-end/79536
23031         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
23032         (fold_negate_expr): New wrapper.
23033
23034 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
23035
23036         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
23037         Correct terminology and de-emphasize pre-standard behavior.
23038
23039 2017-02-16  Alan Modra  <amodra@gmail.com>
23040
23041         PR rtl-optimization/79286
23042         * ira.c (def_dominates_uses): New function.
23043         (update_equiv_regs): Don't create an equivalence for insns that
23044         may trap where the register def does not dominate the use.
23045
23046 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
23047
23048         PR rtl-optimization/78127
23049         * lra.c (lra): Call lra_eliminate before finish the loop after
23050         lra_constraint.
23051
23052 2017-02-16  Richard Biener  <rguenther@suse.de>
23053
23054         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
23055         isl/isl_val.h.
23056         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
23057         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
23058         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
23059         (isl_val_int_from_wi): New function.
23060         (extract_affine_gmp): Rename to ...
23061         (extract_affine_wi): ... this, take a widest_int.
23062         (extract_affine_int): Just wrap extract_affine_wi.
23063         (add_param_constraints): Use isl_val_int_from_wi.
23064         (add_loop_constraints): Likewise, and extract_affine_wi.
23065
23066 2017-02-15  Jeff Law  <law@redhat.com>
23067
23068         PR middle-end/79521
23069         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
23070         ira_init_register_move_cost_if_necessary.
23071
23072 2017-02-15  Martin Sebor  <msebor@redhat.com>
23073
23074         PR middle-end/32003
23075         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
23076         removed in a prior commit.
23077
23078 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
23079
23080         PR tree-optimization/79347
23081         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
23082         counters during peeling.
23083
23084 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
23085
23086         * Makefile.in (site.exp): Remove "set ISLVER".
23087
23088 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
23089
23090         PR target/79487
23091         * real.c (real_from_integer): Call real_convert even for decimal.
23092
23093 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23094
23095         PR target/79421
23096         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
23097
23098 2017-02-14  Andrew Pinski  <apinski@cavium.com>
23099
23100         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
23101         cores and change the partno/implementer to be correct.
23102         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
23103         the 'B" as the implementer.
23104         * config/aarch64/aarch64-tune.md: Regenerate.
23105
23106 2017-02-14  Carl Love  <cel@us.ibm.com>
23107
23108         * config/rs6000/rs6000.c: Add case statement entry to make the
23109         xvcvuxdsp built-in argument unsigned.
23110         * config/rs6000/vsx.md: Fix the source and return operand types so they
23111         match the instruction definitions from the ISA document.  Fix typo
23112         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
23113         statement.
23114
23115 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
23116
23117         PR target/79282
23118         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
23119         member early_clobber_alts.
23120         * lra-lives.c (reg_early_clobber_p): New.
23121         (process_bb_lives): Use it.
23122         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
23123         (debug_operand_data): Initialize early_clobber_alts.
23124         (setup_operand_alternative): Set up early_clobber_alts.
23125         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
23126         alternatives to new_insn_reg.
23127         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
23128         it.
23129         (lra_update_insn_regno_info): Pass the new arg.
23130
23131 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
23132
23133         PR middle-end/79505
23134         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
23135         (new_oacc_loop_raw): Don't clear already cleared fields.
23136
23137         PR target/79481
23138         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
23139         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
23140         _mm512_prefetch_i64gather_ps): New inline functions and macros.
23141
23142 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
23143
23144         PR target/79495
23145         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
23146
23147 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
23148
23149         PR target/79498
23150         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
23151         the extra instruction to the right place to store 128-bit constant
23152         when needed.
23153
23154 2017-02-14  Martin Sebor  <msebor@redhat.com>
23155
23156         PR middle-end/79448
23157         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
23158           warning for strings of unknown length.
23159
23160 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
23161
23162         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
23163
23164 2017-02-14  Jeff Law  <law@redhat.com>
23165
23166         PR target/79404
23167         * ira-costs.c (scan_one_insn): Initialize register move costs
23168         for pseudos seen in USE/CLOBBER insns.
23169
23170         PR tree-optimization/79095
23171         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
23172         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
23173         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
23174         if the operands are known to be not equal, then the resulting range
23175         is ~[0,0].
23176         (intersect_ranges): If the new range is ~[0,0] and the old range is
23177         wide, then prefer ~[0,0].
23178         * tree-vrp.c (overflow_comparison_p_1): New function.
23179         (overflow_comparison_p): New function.
23180         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
23181         if NAME is used in an overflow test.
23182         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
23183         overflow check that can be expressed as an equality test, then adjust
23184         ops to be that equality test.
23185
23186 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23187
23188         * config/s390/s390-builtin-types.def: Remove flags argument.
23189         * config/s390/s390.c (s390_init_builtins): Likewise.
23190
23191 2017-02-14  Martin Liska  <mliska@suse.cz>
23192
23193         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
23194         vector.  Fix trailing white spaces.
23195
23196 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
23197
23198         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
23199         HFmode.
23200
23201 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23202
23203         PR rtl-optimization/68664
23204         * config/arm/arm.c (arm_sched_can_speculate_insn):
23205         New function.  Declare prototype.
23206         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
23207
23208 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23209
23210         PR rtl-optimization/68664
23211         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
23212         New function.
23213         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
23214
23215 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
23216
23217         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
23218         max skip bytes for function, loop and jump.
23219
23220 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
23221
23222         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
23223         ABS_EXPR for gimple dump.
23224
23225 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
23226
23227         PR target/79462
23228         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
23229
23230         PR tree-optimization/79408
23231         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
23232         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
23233         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
23234         also if rhs1 is INTEGER_CST.
23235
23236 2017-02-14  Richard Biener  <rguenther@suse.de>
23237
23238         PR middle-end/79432
23239         * tree-into-ssa.c (insert_phi_nodes): When the function can
23240         have abnormal edges rewrite SSA names with broken use-def
23241         dominance out of SSA and register them for PHI insertion.
23242
23243 2017-02-13  Martin Sebor  <msebor@redhat.com>
23244
23245         PR middle-end/79496
23246         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
23247         clearing info.nowrite flag when snprintf size argument is a range.
23248
23249 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
23250
23251         * cprop.c (cprop_jump): Add missing space in string literal.
23252         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
23253         (get_constraint_for_component_ref): Likewise.
23254         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
23255         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
23256         * lra-constraints.c (process_alt_operands): Likewise.
23257         * ipa-inline.c (inline_small_functions): Likewise.
23258         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
23259         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
23260         * trans-mem.c (diagnose_tm_1_op): Likewise.
23261         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
23262         (grid_parallel_clauses_gridifiable): Likewise.
23263
23264         * config/nvptx/mkoffload.c (process): Add space in between
23265         , and %d.
23266
23267         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
23268         "MOD4_SSE_REGS" and "ALL_REGS".
23269
23270         * spellcheck.c (test_data): Add , in between "foo" and "food".
23271
23272 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23273
23274         PR target/79449
23275         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
23276         boundary crossing check and subsequent code generation agree.
23277
23278 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23279
23280         * config/aarch64/aarch64.c (has_memory_op): Delete.
23281         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
23282         has_memory_op.
23283
23284 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
23285
23286         PR rtl-optimization/79388
23287         PR rtl-optimization/79450
23288         * combine.c (distribute_notes): When removing TEM_INSN for which
23289         corresponding dest has last value recorded, invalidate that last
23290         value.
23291
23292 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23293
23294         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
23295         of explicit '@'.  Add missing assembly comment marker on branch costs
23296         printout.
23297
23298 2017-02-13  Nathan Sidwell  <nathan@acm.org>
23299
23300         * gengtype-lex.l (<in_struct>): Add '/'.
23301
23302 2017-02-13  Martin Liska  <mliska@suse.cz>
23303
23304         PR c/79471
23305         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
23306
23307 2017-02-13  Richard Biener  <rguenther@suse.de>
23308
23309         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
23310         Remove.
23311         * configure: Re-generate.
23312         * config.in: Likewise.
23313         * graphite-dependences.c: Simplify as if
23314         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
23315         * graphite-isl-ast-to-gimple.c: Likewise.
23316         * graphite-optimize-isl.c: Likewise.
23317         * graphite-poly.c: Likewise.
23318         * graphite-sese-to-poly.c: Likewise.
23319         * graphite.h: Likewise.
23320         * toplev.c: Include isl/version.h and use isl_version () for
23321         printing the ISL version.
23322         * doc/install.texi: Update ISL requirement.
23323
23324 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
23325
23326         * doc/standards.texi (Standards): Update reference to
23327         Objective-C 2.0.
23328
23329 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
23330
23331         * doc/extend.texi (Named Address Spaces): sourceware.org now
23332         defaults to https.
23333         * doc/install.texi (Binaries): Ditto.
23334         (Specific): Ditto.
23335
23336 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
23337
23338         * doc/cpp.texi: Replace "stringify"/"stringification" with C
23339         standard terminology "stringize"/"stringizing" throughout.
23340         * doc/cppinternals.texi: Likewise.
23341
23342 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
23343
23344         * doc/extend.texi: Fix some spelling mistakes and typos.
23345         * doc/invoke.texi: Likewise.
23346
23347 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
23348
23349         PR ipa/79224
23350         * params.def (inline-min-speedup) Change from 10 to 8.
23351
23352 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
23353
23354         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
23355         4.5.
23356
23357 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
23358
23359         PR ipa/79224
23360         * ipa-inline-analysis.c (get_minimal_bb): New function.
23361         (record_modified): Use it.
23362         (remap_edge_change_prob): Handle also ancestor functions.
23363
23364 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
23365
23366         * doc/contrib.texi (Contributors): Remove broken link into
23367         the Mauve CVS repository.
23368
23369 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
23370
23371         PR middle-end/79454
23372         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
23373         result computation whenever lhs doesn't have vector mode, not
23374         just when it has BLKmode.
23375
23376 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
23377
23378         * doc/makefile.texi (profiledbootstrap): Refer to the
23379         installation instructions only in textual form.
23380
23381 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23382
23383         PR target/79295
23384         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
23385
23386 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
23387
23388         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
23389         (Specific): Update mingw-w64 reference.
23390         (Binaries): Ditto.
23391         (Specific): Remove broken link to Renesas RX processor.
23392
23393 2017-02-10  Richard Biener  <rguenther@suse.de>
23394
23395         * toplev.c (process_options): Do not mention obsolete graphite
23396         options when printing sorry message about missing graphite support.
23397         Mention -floop-nest-optimize.
23398
23399 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
23400
23401         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
23402         (vtst_p16): Likewise.
23403         (vtstq_p8): Likewise.
23404         (vtstq_p16): Likewise.
23405         (vtst_p64): New.
23406         (vtstq_p64): Likewise.
23407         * config/arm/arm_neon.h (vgetq_lane_p64): New.
23408         (vset_lane_p64): New.
23409         (vsetq_lane_p64): New.
23410
23411 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
23412
23413         PR tree-optimization/79411
23414         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
23415         stmt operands are SSA_NAMEs used in abnormal phis.
23416         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
23417         phis.
23418
23419 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
23420
23421         PR ipa/70795
23422         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
23423         flag if needed.
23424
23425 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
23426
23427         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
23428
23429 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
23430
23431         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
23432         to avoid warning.
23433
23434         PR c/79413
23435         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
23436         not arbitrary TREE_CONSTANT.
23437
23438         PR c/79431
23439         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
23440         "omp declare target link" attribute unless is_global_var.
23441         * omp-offload.c (find_link_var_op): Likewise.
23442
23443 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
23444             Chung-Lin Tang  <cltang@codesourcery.com>
23445
23446         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
23447         OMP_CLAUSE_TILE.
23448         (gimplify_adjust_omp_clauses): Don't delete TILE.
23449         (gimplify_omp_for): Deal with TILE.
23450         * internal-fn.c (expand_GOACC_TILE): New function.
23451         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
23452         (GOACC_TILE): New.
23453         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
23454         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
23455         element fields.
23456         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
23457         avoid DIV for outermost collapse var.
23458         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
23459         Remove out of date comments, fix whitespace.
23460         * omp-general.c (omp_extract_for_data): Deal with tiling.
23461         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
23462         adjust OLF_DIM_BASE value.
23463         (struct omp_for_data): Add tiling field.
23464         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
23465         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
23466         for auto loops.  Remove default auto determining, moved to
23467         oacc_loop_fixed_partitions.
23468         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
23469         stmts, add e_mask field.
23470         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
23471         (oacc_thread_numbers): Use oacc_dim_call.
23472         (oacc_xform_tile): New.
23473         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
23474         (finish_oacc_loop): Adjust for ifns vector.
23475         (oacc_loop_discover_walk): Append loop abstraction sites to list,
23476         add case for GOACC_TILE fns.
23477         (oacc_loop_xform_loop): Delete.
23478         (oacc_loop_process): Iterate over call list directly, and add
23479         handling for GOACC_TILE fns.
23480         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
23481         dump partitioning.
23482         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
23483         vector partitioning to outer loops.  Assign 2 partitions to loops
23484         when available. Add TILE handling.
23485         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
23486         (execite_oacc_device_lower): Process GOACC_TILE fns,
23487         ignore unknown specs.
23488         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
23489         * tree.c (omp_clause_num_ops): Adjust TILE ops.
23490         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
23491
23492 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
23493
23494         * configure.ac (ACX_BUGURL): Update.
23495         * configure: Regenerate.
23496
23497 2017-02-09  Richard Biener  <rguenther@suse.de>
23498
23499         PR tree-optimization/69823
23500         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
23501         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
23502
23503 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
23504
23505         * config/arc/arc-c.def: Add __NPS400__ definition.
23506         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
23507         (TARGET_NPS400): Define.
23508
23509 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
23510
23511         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
23512         file.
23513         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
23514         pointer, arch_info.
23515         (arc_cpu_types): Fill the arch_info field with a pointer into the
23516         arc_arch_types table.
23517         (arc_selected_cpu): Declare.
23518         * config/arc/arc.c (arc_selected_cpu): Make global.
23519         (arc_selected_arch): Delete.
23520         (arc_base_cpu): Delete.
23521         (arc_override_options): Remove references to deleted variables,
23522         update access to arch information.
23523         (ARC_OPT): Update access to arch information.
23524         (ARC_OPTX): Likewise.
23525         * config/arc/arc.h (arc_base_cpu): Remove declaration.
23526         (TARGET_ARC600): Update access to arch information.
23527         (TARGET_ARC601): Likewise.
23528         (TARGET_ARC700): Likewise.
23529         (TARGET_EM): Likewise.
23530         (TARGET_HS): Likewise.
23531         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
23532         information.
23533
23534 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
23535
23536         PR target/78604
23537         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
23538         condition/operands for integer GE/LE/GEU/LEU operations.
23539
23540 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
23541
23542         PR translation/79397
23543         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
23544         of AltiVec.
23545
23546 2017-02-08  Martin Jambor  <mjambor@suse.cz>
23547
23548         PR ipa/79375
23549         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
23550         whether allocation happened.
23551         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
23552         nothing was allocated.
23553
23554 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
23555
23556         PR tree-optimization/79408
23557         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
23558         constant, but SSA_NAME with a known integer range, use the minimum
23559         of that range instead of op1 to determine if modulo can be replaced
23560         with its first operand.
23561
23562 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23563
23564         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
23565
23566 2017-02-08  Richard Biener  <rguenther@suse.de>
23567
23568         PR tree-optimization/71824
23569         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
23570         Check all loops contained in the merged region.
23571
23572 2017-02-07  Andrew Pinski  <apinski@cavium.com>
23573
23574         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
23575
23576 2017-02-07  Andrew Pinski  <apinski@cavium.com>
23577
23578         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
23579         (thunderxt88): Likewise.
23580         (thunderxt81): Disable LSE and change v8.1 to v8.
23581         (thunderxt83): Likewise.
23582
23583 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
23584             Richard Biener  <rguenther@suse.de>
23585
23586         PR middle-end/79399
23587         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
23588         type from int to size_t.
23589         * ira-costs.c (struct_costs_size): Change type from int to size_t.
23590
23591 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
23592
23593         PR rtl-optimization/79386
23594         * cprop.c (bypass_conditional_jumps): Initialize
23595         bypass_last_basic_block already before splitting bbs after
23596         unconditional traps...
23597         (bypass_conditional_jumps): ... rather than here.
23598
23599         PR target/79299
23600         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
23601         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
23602         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
23603         fix -masm=intel patterns.
23604
23605 2017-02-07  Richard Biener  <rguenther@suse.de>
23606
23607         PR tree-optimization/79256
23608         PR middle-end/79278
23609         * builtins.c (get_object_alignment_2): Use min_align_of_type
23610         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
23611         and ADJUST_FIELD_ALIGN.
23612
23613         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
23614         type parameter.
23615         * doc/tm.texi: Regenerate.
23616         * stor-layout.c (layout_decl): Adjust.
23617         (update_alignment_for_field): Likewise.
23618         (place_field): Likewise.
23619         (min_align_of_type): Likewise.
23620         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
23621         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
23622         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
23623         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
23624         * config/frv/frv.c (frv_adjust_field_align): Likewise.
23625         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
23626         * config/i386/i386.c (x86_field_alignment): Likewise.
23627         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
23628         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
23629         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
23630         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
23631         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
23632         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
23633          Likewise.
23634
23635         Revert
23636         2017-01-30  Richard Biener  <rguenther@suse.de>
23637
23638         PR tree-optimization/79256
23639         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23640         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23641         alignment on TYPE.
23642
23643 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
23644
23645         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
23646         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
23647         builtins to SImode and emit a zero-extend, if necessary.
23648
23649 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23650
23651         * docs/invoke.texi (RISC-V Options): Alphabetize.
23652
23653 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23654
23655         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
23656         options.
23657
23658 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23659
23660         * config/riscv/riscv.c: New file.
23661         * common/config/riscv/riscv-common.c: Likewise.
23662         * config.gcc: Likewise.
23663         * config/riscv/constraints.md: Likewise.
23664         * config/riscv/elf.h: Likewise.
23665         * config/riscv/generic.md: Likewise.
23666         * config/riscv/linux.h: Likewise.
23667         * config/riscv/multilib-generator: Likewise.
23668         * config/riscv/peephole.md: Likewise.
23669         * config/riscv/pic.md: Likewise.
23670         * config/riscv/predicates.md: Likewise.
23671         * config/riscv/riscv-builtins.c: Likewise.
23672         * config/riscv/riscv-c.c: Likewise.
23673         * config/riscv/riscv-ftypes.def: Likewise.
23674         * config/riscv/riscv-modes.def: Likewise.
23675         * config/riscv/riscv-opts.h: Likewise.
23676         * config/riscv/riscv-protos.h: Likewise.
23677         * config/riscv/riscv.h: Likewise.
23678         * config/riscv/riscv.md: Likewise.
23679         * config/riscv/riscv.opt: Likewise.
23680         * config/riscv/sync.md: Likewise.
23681         * config/riscv/t-elf-multilib: Likewise.
23682         * config/riscv/t-linux: Likewise.
23683         * config/riscv/t-linux-multilib: Likewise.
23684         * config/riscv/t-riscv: Likewise.
23685         * configure.ac: Likewise.
23686         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
23687         Waterman as RISC-V maintainers.
23688         * doc/install.texi: Add RISC-V entries.
23689         * doc/invoke.texi: Add RISC-V options section.
23690         * doc/md.texi: Add RISC-V constraints section.
23691         * configure: Regenerated.
23692
23693 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
23694
23695         PR target/66144
23696         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
23697         false values to be constant vectors with all 0 or all 1 bits set.
23698         (vcondu<mode><mode>): Likewise.
23699         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
23700         predicate.
23701         (fpmask_comparison_operator): Update comment.
23702         (vecint_comparison_operator): New predicate.
23703         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
23704         vector conditionals when the true and false values are constant
23705         vectors with all 0 bits or all 1 bits set.
23706
23707 2017-02-06  Martin Sebor  <msebor@redhat.com>
23708
23709         PR  tree-optimization/79376
23710         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
23711
23712 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
23713
23714         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
23715         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
23716         to simplify split condition.
23717
23718 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
23719
23720         * omp-expand.c (oxpand_omp_atomic_fetch_op,
23721         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
23722         false.
23723
23724 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
23725
23726         PR rtl-optimization/68664
23727         * target.def (can_speculate_insn): New hook.
23728         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
23729         * doc/tm.texi: Regenerate.
23730         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
23731         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
23732         (rs6000_sched_can_speculate_insn): New function.
23733
23734 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
23735
23736         PR tree-optimization/79284
23737         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
23738         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
23739         vectorizable_mask_load_store, vectorizable_operation,
23740         vect_is_simple_cond, get_same_sized_vectype): Use it instead
23741         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
23742         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
23743         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
23744         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
23745         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
23746         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
23747         is_gimple_assign (stmt).  Replace another such test with
23748         is_gimple_assign (stmt).
23749
23750 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
23751
23752         PR target/78883
23753         * config/avr/avr.c (rtl-iter.h): Include it.
23754         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
23755         (avr_legitimate_combined_insn): ...and implementation.
23756
23757 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23758
23759         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
23760         * config/s390/s390.c (s390_const_operand_ok)
23761         (s390_canonicalize_comparison, s390_extract_part)
23762         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
23763         (s390_contiguous_bitmask_p, s390_rtx_costs)
23764         (legitimize_pic_address): Likewise.
23765         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
23766         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
23767         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
23768         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
23769         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
23770
23771 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
23772
23773         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
23774         REGNO($0) == REGNO($1).
23775
23776 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23777
23778         * config/s390/linux.h(SIZE_TYPE): Add comment.
23779
23780 2017-02-06  Julian Brown  <julian@codesourcery.com>
23781             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
23782             Virendra Pathak  <virendra.pathak@broadcom.com>
23783
23784         * config/aarch64/aarch64-cores.def: Change the scheduler
23785         to Thunderx2t99.
23786         * config/aarch64/aarch64.md: Include thunderx2t99.md.
23787         * config/aarch64/thunderx2t99.md: New file.
23788
23789 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
23790
23791         * doc/standards.texi (Go Language): Update link to language
23792         standard.
23793
23794 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
23795
23796         * tree-eh.c (lower_resx): Sanitize profile.
23797         (cleanup_empty_eh_move_lp): Likewise.
23798
23799 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
23800
23801         PR tree-ssa/79347
23802         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
23803         ELSE_PROB.
23804         * cfgloopmanip.h (loop_version): Update prototype.
23805         * modulo-sched.c (sms_schedule): Update call of loop_version.
23806         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
23807         * tree-parloops.c (gen_parallel_loop): Likewise.
23808         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
23809         * tree-ssa-loop-split.c (split_loop): Likewise.
23810         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
23811         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
23812
23813 2017-02-05  Martin Liska  <mliska@suse.cz>
23814
23815         PR bootstrap/78985
23816         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
23817         variable to NULL.
23818         (print_operand_address): Initialize a struct to zero.
23819
23820 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
23821
23822         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
23823         garbage collector only in textual form.
23824
23825 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
23826
23827         * doc/extend.texi (x86 specific memory model extensions for
23828         transactional memory): Simplify a phrase.
23829
23830 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
23831
23832         PR target/79353
23833         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
23834         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
23835         (atomic_storedi_1): Likewise.
23836
23837 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
23838
23839         PR tree-optimization/79338
23840         * tree-parloops.c (gather_scalar_reductions): Don't call
23841         vect_analyze_loop_form for loop->inner before destroying loop's
23842         loop_vinfo.
23843
23844 2017-02-03  Martin Sebor  <msebor@redhat.com>
23845
23846         PR tree-optimization/79327
23847         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
23848         when precision has resulted in leading zeros.
23849         (format_integer): Adjust the likely counter to assume an unknown
23850         argument that may be zero is non-zero.
23851
23852 2017-02-03  Jason Merrill  <jason@redhat.com>
23853
23854         PR c++/78689
23855         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
23856         avoid copying non-taken branch.
23857
23858 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
23859
23860         PR tree-optimization/79340
23861         * tree-vect-loop.c (vectorizable_reduction): Release
23862         vec_defs elements after safe_splicing them into other vectors.
23863         Formatting fixes.
23864
23865         PR tree-optimization/79327
23866         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
23867         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
23868         dirtype.
23869         (format_integer): Use wide_int_to_tree instead of build_int_cst
23870         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
23871         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
23872         of shortest and longest sequence.
23873
23874 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
23875
23876         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
23877         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
23878
23879 2017-02-03  Walter Lee  <walt@tilera.com>
23880
23881         PR target/78862
23882         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
23883         after initial stackframe link reg save.
23884         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
23885
23886 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
23887
23888         PR target/79354
23889         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
23890         wu for stxssp alternative.
23891
23892 2017-02-03  Martin Sebor  <msebor@redhat.com>
23893
23894         PR tree-optimization/79352
23895         * gimple-fold.c (get_range_strlen): Add argument.
23896         (get_range_strlen): Change return type to bool.
23897         (get_maxval_strlen): Pass in a dummy argument.
23898         * gimple-fold.h (get_range_strlen): Change return type to bool.
23899         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
23900         * tree.h (array_at_struct_end_p): Add argument.
23901         * tree.c (array_at_struct_end_p): Handle it.
23902
23903 2017-02-03  Martin Liska  <mliska@suse.cz>
23904
23905         PR lto/66295
23906         * multiple_target.c (create_dispatcher_calls): Redirect edge
23907         from a caller of a dispatcher.
23908         (expand_target_clones): Make the clones local.
23909         (ipa_target_clone): Do both target clones and resolvers.
23910         (ipa_dispatcher_calls): Remove the pass.
23911         (pass_dispatcher_calls::gate): Likewise.
23912         (make_pass_dispatcher_calls): Likewise.
23913         * passes.def (pass_target_clone): Put as very first IPA early
23914         pass.
23915
23916 2017-02-03  Martin Liska  <mliska@suse.cz>
23917
23918         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
23919         in case of a function with ifunc attribute.
23920
23921 2017-02-03  Martin Liska  <mliska@suse.cz>
23922
23923         * cgraph.c (cgraph_node::dump): Dump function version info.
23924         * symtab.c (symtab_node::dump_base): Add missing new line.
23925
23926 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23927
23928         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
23929         (ifcombine_ifandif): Use it.
23930
23931 2017-02-03  Martin Liska  <mliska@suse.cz>
23932
23933         * doc/invoke.texi: Document default value for
23934         use-after-scope-direct-emission-threshold.
23935
23936 2017-02-03  Martin Liska  <mliska@suse.cz>
23937
23938         PR tree-optimization/79339
23939         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
23940         (format_floating): Likewise.
23941
23942 2017-02-03  Martin Liska  <mliska@suse.cz>
23943
23944         PR ipa/79337
23945         * ipa-prop.c (ipa_node_params_t::insert): Remove current
23946         implementation.
23947         (ipa_node_params_t::remove): Likewise.
23948         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
23949         initialization from removed ipa_node_params_t::insert.
23950         (ipa_node_params::~ipa_node_params): Move from removed
23951         ipa_node_params_t::release.
23952         * symbol-summary.h (symbol_summary::m_released): New member.
23953         Do not release a summary twice.  Do not allow to call finalizer
23954         for types of a summary that live in GGC memory.
23955
23956 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
23957
23958         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
23959         cmp_branch fusion.
23960
23961 2017-02-02  Martin Sebor  <msebor@redhat.com>
23962
23963         PR middle-end/79275
23964         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
23965         (format_string): Tighten up the range of output for non-constant
23966         strings and correct the expected range for wide non-constant strings.
23967
23968 2017-02-02  Martin Sebor  <msebor@redhat.com>
23969
23970         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
23971
23972         PR middle-end/32003
23973         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
23974         index.
23975         (-fdump-tree-@var): Add to index and document how to come up
23976         with pass-specific option and dump file names.
23977         (-fdump-passes): Clarify where to look for output.
23978
23979 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23980
23981         PR middle-end/77445
23982         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
23983         statistics of the analyzed path; allow threading for speed when
23984         any of BBs along the path are optimized for speed.
23985
23986 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
23987
23988         PR middle-end/78468
23989         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
23990         settings of the virtual registers.
23991
23992         Revert again
23993         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23994
23995         * explow.c (get_dynamic_stack_size): Take known alignment of stack
23996         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
23997         needed.
23998
23999 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24000
24001         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
24002         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
24003
24004 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24005
24006         * config/s390/s390.md: Add missing comments with the expanded
24007         mnemonics.
24008         * config/s390/vector.md: Likewise.
24009         * config/s390/vx-builtins.md: Likewise.
24010
24011 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
24012
24013         PR target/79197
24014         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
24015         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
24016         conditions on a single line.
24017
24018 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24019
24020         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
24021         __S390_VX__ to __VX__.
24022
24023 2017-02-01  Andrew Pinski  <apinski@cavium.com>
24024
24025         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
24026         stmt_info to record_stmt_cost.
24027         (vect_get_known_peeling_cost): Pass stmt_info if known to
24028         record_stmt_cost.
24029         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
24030         cpu_vector_cost field into
24031         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
24032         field into vec_int_stmt_cost and vec_fp_stmt_cost.
24033         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
24034         splitting of scalar_stmt_cost and vec_stmt_cost.
24035         (thunderx_vector_cost): Likewise.
24036         (cortexa57_vector_cost): LIkewise.
24037         (exynosm1_vector_cost): Likewise.
24038         (xgene1_vector_cost): Likewise.
24039         (thunderx2t99_vector_cost): Improve after the splitting of the two
24040         fields.
24041         (aarch64_builtin_vectorization_cost): Update for the splitting of
24042         scalar_stmt_cost and vec_stmt_cost.
24043
24044 2017-02-01  Torvald Riegel  <triegel@redhat.com>
24045             Richard Henderson  <rth@redhat.com>
24046
24047         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
24048         conditional on existance of a fast atomic load.
24049         * optabs-query.c (can_atomic_load_p): New function.
24050         * optabs-query.h (can_atomic_load_p): Declare it.
24051         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
24052         no fast atomic load is available for the particular size of access.
24053         (expand_atomic_compare_and_swap): Likewise.
24054         (expand_atomic_load): Likewise.
24055         (expand_atomic_store): Likewise.
24056         (expand_atomic_fetch_op): Likewise.
24057         * testsuite/lib/target-supports.exp
24058         (check_effective_target_sync_int_128): Remove x86 because it provides
24059         no fast atomic load.
24060         (check_effective_target_sync_int_128_runtime): Likewise.
24061
24062 2017-02-01  Richard Biener  <rguenther@suse.de>
24063
24064         * graphite.c: Include tree-vectorizer.h for find_loop_location.
24065         (graphite_transform_loops): Provide opt-info for optimized nests.
24066         * tree-parloop.c (parallelize_loops): Provide opt-info for
24067         parallelized loops.
24068
24069 2017-02-01  Richard Biener  <rguenther@suse.de>
24070
24071         PR middle-end/79315
24072         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
24073         was not set before.
24074
24075 2017-02-01  Richard Biener  <rguenther@suse.de>
24076
24077         PR tree-optimization/71824
24078         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
24079         Verify the loops are valid in the merged SESE region.
24080         (scop_detection::can_represent_loop_1): Check analyzing the
24081         evolution of the number of iterations in the region succeeds.
24082
24083 2017-01-31  Ian Lance Taylor  <iant@golang.org>
24084
24085         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
24086         REG_ARGS_SIZE note to 32-bit push insns and call insn.
24087
24088 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
24089
24090         PR preprocessor/79210
24091         * input.c (get_substring_ranges_for_loc): Replace line_width
24092         assertion with error-handling.
24093
24094 2017-01-31  Richard Biener  <rguenther@suse.de>
24095
24096         PR tree-optimization/77318
24097         * graphite-sese-to-poly.c (extract_affine): Fix assert.
24098         (create_pw_aff_from_tree): Take loop parameter.
24099         (add_condition_to_pbb): Pass loop of the condition to
24100         create_pw_aff_from_tree.
24101
24102 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
24103
24104         * config/s390/s390.c (s390_asan_shadow_offset): New function.
24105         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
24106
24107 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
24108
24109         PR target/78597
24110         PR target/79038
24111         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
24112         no longer used.
24113         (convert_int_to_float128): Likewise.
24114         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
24115         (convert_int_to_float128): Likewise.
24116         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
24117         (UNSPEC_IEEE128_CONVERT): Likewise.
24118         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
24119         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
24120         Use local variables for IBM extended format.
24121         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
24122         (fix_trunc<mode>si2_fprs): Likewise.
24123         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
24124         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
24125         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
24126         to know that we can now have integers of all sizes in vector
24127         registers.
24128         (fix<uns>_<mode>di2_hw): Likewise.
24129         (float<uns>_<mode>si2_hw): Likewise.
24130         (fix_<mode>si2_hw): Likewise.
24131         (fixuns_<mode>si2_hw): Likewise.
24132         (float<uns>_<mode>di2_hw): Likewise.
24133         (float_<mode>di2_hw): Likewise.
24134         (float_<mode>si2_hw): Likewise.
24135         (floatuns_<mode>di2_hw): Likewise.
24136         (floatuns_<mode>si2_hw): Likewise.
24137         (xscvqp<su>wz_<mode>): Delete, no longer used.
24138         (xscvqp<su>dz_<mode>): Likewise.
24139         (xscv<su>dqp_<mode>): Likewise.
24140         (ieee128_mfvsrd_64bit): Likewise.
24141         (ieee128_mfvsrd_32bit): Likewise.
24142         (ieee128_mfvsrwz): Likewise.
24143         (ieee128_mtvsrw): Likewise.
24144         (ieee128_mtvsrd_64bit): Likewise.
24145         (ieee128_mtvsrd_32bit): Likewise.
24146
24147 2017-01-31  Martin Liska  <mliska@suse.cz>
24148
24149         PR ipa/79285
24150         * ipa-prop.c (ipa_free_all_node_params): Call release method
24151         instead of ~sumbol_summary to not to trigger double times
24152         dtor of hash_map.
24153
24154 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
24155
24156         PR tree-optimization/71691
24157         * bitmap.h (class auto_bitmap): New.
24158         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
24159         is_maybe_undefined instead of ssa_undefined_value_p.
24160
24161 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24162
24163         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
24164         __S390_ARCH_LEVEL__ to __ARCH__.
24165
24166 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
24167
24168         PR tree-optimization/79267
24169         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
24170         if should_remove_lhs_p is true.
24171
24172 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
24173
24174         PR debug/63238
24175         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
24176         (add_alignment_attribute): New.
24177         (base_type_die): Add alignment attribute.
24178         (subrange_type_die): Likewise.
24179         (modified_type_die): Likewise.
24180         (gen_array_type_die): Likewise.
24181         (gen_descr_array_type_die: Likewise.
24182         (gen_enumeration_type_die): Likewise.
24183         (gen_subprogram_die): Likewise.
24184         (gen_variable_die): Likewise.
24185         (gen_field_die): Likewise.
24186         (gen_ptr_to_mbr_type_die): Likewise.
24187         (gen_struct_or_union_type_die): Likewise.
24188         (gen_subroutine_type_die): Likewise.
24189         (gen_typedef_die): Likewise.
24190         (base_type_cmp): Compare alignment attribute.
24191
24192 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
24193
24194         PR target/79170
24195         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
24196         (setb_unsigned) New pattern for setb with CCUNS.
24197         * config/rs6000/rs6000.c (expand_block_compare): Use a different
24198         subfc./subfe sequence to avoid overflow problems.  Generate a
24199         shorter sequence with cmpld/setb for power9.
24200         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
24201         for generating subfc. instruction.
24202         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
24203         now uses this instruction.
24204
24205 2017-01-30  Ian Lance Taylor  <iant@google.com>
24206
24207         PR debug/79289
24208         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
24209         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
24210
24211 2017-01-30  Martin Sebor  <msebor@redhat.com>
24212
24213         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
24214         Move constant to the right of a relational operator.
24215         (get_mpfr_format_length, format_character, format_string): Ditto.
24216         (should_warn_p, maybe_warn): Same.
24217
24218         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
24219
24220 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
24221
24222         PR lto/79061
24223         * asan.c (get_translation_unit_decl): Remove function.
24224         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
24225
24226 2017-01-30  Martin Liska  <mliska@suse.cz>
24227
24228         PR gcov-profile/79259
24229         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
24230         -fprofile-generate.
24231
24232 2017-01-30  Martin Liska  <mliska@suse.cz>
24233
24234         PR bootstrap/78985
24235         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
24236         Initialize variables with NULL value.
24237
24238 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
24239
24240         PR target/79260
24241         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
24242         tm_p_file.
24243         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
24244
24245 2017-01-30  Richard Biener  <rguenther@suse.de>
24246
24247         PR tree-optimization/79276
24248         * tree-vrp.c (process_assert_insertions): Properly adjust common
24249         when removing a duplicate.
24250
24251         * gcc.dg/torture/pr79276.c: New testcase.
24252
24253 2017-01-30  Richard Biener  <rguenther@suse.de>
24254
24255         PR tree-optimization/79256
24256         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
24257         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
24258         alignment on TYPE.
24259         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
24260
24261 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
24262
24263         PR target/79240
24264         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
24265         ("*r<noxa>sbg_<mode>_sll_bitmask")
24266         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
24267         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
24268         Use contiguous_bitmask_nowrap_operand.
24269
24270 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24271
24272         PR target/79268
24273         * config/rs6000/altivec.h (vec_xl): Revise #define.
24274         (vec_xst): Likewise.
24275
24276 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
24277
24278         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
24279
24280 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
24281
24282         PR rtl-optimization/79194
24283         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
24284         traps before call to bypass_conditional_jumps.
24285
24286 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
24287
24288         PR tree-optimization/71374
24289         * lra-constraints.c (check_conflict_input_operands): New.
24290         (match_reload): Use it.
24291
24292 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
24293
24294         PR target/79131
24295         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
24296         account to calculate conflict_set.
24297
24298 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
24299
24300         PR rtl-optimization/78559
24301         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
24302         other_insn in combine.
24303
24304 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
24305
24306         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
24307         uint16_type_node for BT_UINT16.
24308
24309 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
24310
24311         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
24312         "RTL Tests" to menu.
24313         (GIMPLE Tests): New node.
24314         (RTL Tests): New node.
24315
24316 2017-01-27  Richard Biener  <rguenther@suse.de>
24317
24318         PR tree-optimization/79245
24319         * tree-loop-distribution.c (distribute_loop): Apply cost
24320         modeling also to detected patterns.
24321
24322 2017-01-27  Richard Biener  <rguenther@suse.de>
24323
24324         PR tree-optimization/71433
24325         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
24326         (compare_assert_loc): New function.
24327         (process_assert_insertions): Sort and optimize assert locations
24328         to remove duplicates and push down identical assertions on
24329         edges to their destination block.
24330
24331 2017-01-27  Richard Biener  <rguenther@suse.de>
24332
24333         PR tree-optimization/79244
24334         * tree-vrp.c (remove_range_assertions): Forcefully propagate
24335         out SSA names even if abnormal.
24336
24337 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
24338
24339         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
24340         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
24341         instead of MPFR_RNDN.
24342
24343 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
24344
24345         PR target/79239
24346         * arm.c (arm_option_override): Don't call build_target_option_node
24347         until after doing all option overrides.
24348         (arm_valid_target_attribute_tree): Likewise.
24349
24350 2017-01-27  Martin Liska  <mliska@suse.cz>
24351
24352         * doc/invoke.texi (-fprofile-arcs): Document profiling support
24353         for {cd}tors and C++ {cd}tors.
24354
24355 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
24356
24357         * config/s390/s390.md ("*setmem_long_and")
24358         ("*setmem_long_and_31z"): Use zero_extend instead of and.
24359
24360 2017-01-26  Martin Sebor  <msebor@redhat.com>
24361
24362         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
24363         of precision.
24364
24365 2017-01-26  Martin Sebor  <msebor@redhat.com>
24366
24367         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
24368         HAVE_DFmode before using XFmode or DFmode.
24369         (parse_directive): Avoid using the z length modifier to avoid
24370         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
24371
24372         PR middle-end/78703
24373         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
24374         to accept adjustment as an array.
24375         (get_int_range): New function.
24376         (struct directive): Make width and prec arrays.
24377         (directive::set_width, directive::set_precision): Call get_int_range.
24378         (format_integer, format_floating): Handle width and precision ranges.
24379         (format_string, parse_directive): Same.
24380
24381 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24382
24383         PR debug/79129
24384         * dwarf2out.c (generate_skeleton_bottom_up): For children with
24385         comdat_type_p set, just clone them, but keep the children in the
24386         original DIE.
24387
24388         PR debug/78835
24389         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
24390         which have direct callers with -fvar-tracking-assignments enabled
24391         in the current TU.
24392         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
24393         inside of type units.
24394
24395 2017-01-26  Martin Sebor  <msebor@redhat.com>
24396
24397         PR middle-end/78703
24398         * gimple-ssa-sprintf.c (struct result_range): Add likely and
24399         unlikely counters.
24400         (struct format_result): Replace number_chars, number_chars_min,
24401         and number_chars_max with a single member of struct result_range.
24402         Remove bounded.
24403         (format_result::operator+=): Adjust.
24404         (struct fmtresult): Remove bounded.  Handle likely and unlikely
24405         counters.
24406         (fmtresult::adjust_for_width_or_precision): New function.
24407         (fmtresult:type_max_digits): New function.
24408         (bytes_remaining): Handle likely and unlikely counters.
24409         (min_bytes_remaining): Remove.
24410         (format_percent): Simplify.
24411         (format_integer, format_floating): Set likely and unlikely counters.
24412         (get_string_length, format_character, format_string): Same.
24413         (format_plain, should_warn_p): New function.
24414         (maybe_warn): Call should_warn_p.  Update diagnostic messages
24415         and handle those for all directives, including plain strings.
24416         (format_directive): Handle likely and unlikely counters.
24417         Remove unnecessary quoting from diagnostics.  Add an informational
24418         note.
24419         (add_bytes): Remove.
24420         (pass_sprintf_length::compute_format_length): Simplify.
24421         (try_substitute_return_value): Handle likely and unlikely counters.
24422
24423 2017-01-26  Carl Love  <cel@us.ibm.com>
24424
24425         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
24426         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
24427
24428 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
24429
24430         PR target/79131
24431         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
24432         endianess for subregs into account.
24433         * lra-constraints.c (lra_constraints): Do risky transformations
24434         always on the first iteration.
24435         * lra-lives.c (check_pseudos_live_through_calls): Add arg
24436         last_call_used_reg_set.
24437         (process_bb_lives): Define and use last_call_used_reg_set.
24438         * lra.c (lra): Always continue after lra_constraints on the first
24439         iteration.
24440
24441 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
24442
24443         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
24444         constant.
24445         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
24446
24447 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24448
24449         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
24450         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
24451         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
24452         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
24453         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
24454         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
24455         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
24456         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
24457         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
24458
24459 2017-01-26  Marek Polacek  <polacek@redhat.com>
24460
24461         PR c/79199
24462         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
24463         for the third operand.
24464
24465 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24466
24467         PR middle-end/79236
24468         * omp-low.c (struct omp_context): Add simt_stmt field.
24469         (scan_omp_for): Return omp_context *.
24470         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
24471         context to the _simt_ SIMD stmt.
24472         (lower_omp_for): For combined SIMD with sibling _simt_
24473         SIMD, make sure to use the same decls in _looptemp_
24474         clauses as in the sibling.
24475
24476 2017-01-26  David Sherwood  <david.sherwood@arm.com>
24477
24478         PR middle-end/79212
24479         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
24480         all contexts.
24481
24482 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
24483
24484         PR target/70465
24485         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
24486         emit fld b; fld a; if possible.
24487
24488         * brig-builtins.def: Update copyright years.
24489         * config/arm/arm_acle_builtins.def: Update copyright years.
24490
24491 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
24492
24493         PR target/79179
24494         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
24495         constraint instead of o for the stxsd instruction.
24496
24497 2017-01-25  Carl Love  <cel@us.ibm.com>
24498
24499         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
24500         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
24501
24502 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
24503
24504         * doc/invoke.texi (C++ Dialect Options): Fix typo.
24505
24506 2017-01-25  Richard Biener  <rguenther@suse.de>
24507
24508         PR tree-optimization/69264
24509         * target.def (vector_alignment_reachable): Improve documentation.
24510         * doc/tm.texi: Regenerate.
24511         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
24512         and add a comment.
24513         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
24514         earlier changes with respect to TYPE_USER_ALIGN.
24515         (vector_alignment_reachable_p): Likewise.  Improve dumping.
24516
24517 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24518
24519         PR target/79145
24520         * config/arm/arm.md (xordi3): Force constant operand into a register
24521         for TARGET_IWMMXT.
24522
24523 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24524
24525         * doc/invoke.texi (-fstore-merging): Correct default optimization
24526         levels at which it is enabled.
24527         (-O): Move -fstore-merging from list to...
24528         (-O2): ... Here.
24529
24530 2017-01-25  Richard Biener  <rguenther@suse.de>
24531
24532         PR debug/78363
24533         * omp-expand.c: Include debug.h.
24534         (expand_omp_taskreg): Make sure to generate early debug before
24535         outlining anything from a function.
24536         (expand_omp_target): Likewise.
24537         (grid_expand_target_grid_body): Likewise.
24538
24539 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
24540
24541         PR lto/79061
24542         * asan.c (get_translation_unit_decl): New function.
24543         (asan_add_global): Extract modules file name from globals
24544         TRANSLATION_UNIT_DECL name.
24545
24546 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
24547
24548         PR target/77439
24549         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
24550         for long calls with APCS frame and VFP.
24551
24552 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
24553
24554         * cfg.c (original_copy_tables_initialized_p): New function.
24555         * cfg.h (original_copy_tables_initialized_p): New decl.
24556         * cfgrtl.c (relink_block_chain): Guard the call to
24557         free_original_copy_tables with a call to
24558         original_copy_tables_initialized_p.
24559         * cgraph.h (symtab_node::native_rtl_p): New decl.
24560         * cgraphunit.c (symtab_node::native_rtl_p): New function.
24561         (symtab_node::needed_p): Don't assert for early assembly output
24562         for __RTL functions.
24563         (cgraph_node::finalize_function): Set "force_output" for __RTL
24564         functions.
24565         (cgraph_node::analyze): Bail out early for __RTL functions.
24566         (analyze_functions): Update assertion to support __RTL functions.
24567         (cgraph_node::expand): Bail out early for __RTL functions.
24568         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
24569         __RTL functions.
24570         * function.h (struct function): Update comment for field
24571         "pass_startwith".
24572         * gimple-expr.c: Include "tree-pass.h".
24573         (gimple_has_body_p): Return false for __RTL functions.
24574         * Makefile.in (OBJS): Add run-rtl-passes.o.
24575         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
24576         accessor.
24577         (gcc::pass_manager::get_clean_slate): New accessor.
24578         * passes.c: Include "insn-addr.h".
24579         (should_skip_pass_p): Add logging.  Update logic for running
24580         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
24581         property-provider override so it is only done for gimple passes.
24582         Don't skip dfinit.
24583         (skip_pass): New function.
24584         (execute_one_pass): Call skip_pass when skipping passes.
24585         * read-md.c (md_reader::read_char): Support filtering
24586         the input to a subset of line numbers.
24587         (md_reader::md_reader): Initialize fields
24588         m_first_line and m_last_line.
24589         (md_reader::read_file_fragment): New function.
24590         * read-md.h (md_reader::read_file_fragment): New decl.
24591         (md_reader::m_first_line): New field.
24592         (md_reader::m_last_line): New field.
24593         * read-rtl-function.c (function_reader::create_function): Only
24594         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
24595         curr_properties.  Set DECL_INITIAL to a dummy block.
24596         (read_rtl_function_body_from_file_range): New function.
24597         * read-rtl-function.h (read_rtl_function_body_from_file_range):
24598         New decl.
24599         * run-rtl-passes.c: New file.
24600         * run-rtl-passes.h: New file.
24601
24602 2017-01-24  Jeff Law  <law@redhat.com>
24603
24604         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
24605         buffer size.
24606
24607 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
24608
24609         PR tree-optimization/79159
24610         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
24611         (record_nonwrapping_iv): Improve boundary using above function if no
24612         value range information.
24613
24614 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
24615             Martin Jambor  <mjambor@suse.cz>
24616
24617         * brig-builtins.def: New file.
24618         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
24619         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
24620         (DEF_HSAIL_SAT_BUILTIN): Likewise.
24621         (DEF_HSAIL_INTR_BUILTIN): Likewise.
24622         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
24623         * builtin-types.def (BT_INT8): New.
24624         (BT_INT16): Likewise.
24625         (BT_UINT8): Likewise.
24626         (BT_UINT16): Likewise.
24627         (BT_FN_ULONG): Likewise.
24628         (BT_FN_UINT_INT): Likewise.
24629         (BT_FN_UINT_ULONG): Likewise.
24630         (BT_FN_UINT_LONG): Likewise.
24631         (BT_FN_UINT_PTR): Likewise.
24632         (BT_FN_ULONG_PTR): Likewise.
24633         (BT_FN_INT8_FLOAT): Likewise.
24634         (BT_FN_INT16_FLOAT): Likewise.
24635         (BT_FN_UINT32_FLOAT): Likewise.
24636         (BT_FN_UINT16_FLOAT): Likewise.
24637         (BT_FN_UINT8_FLOAT): Likewise.
24638         (BT_FN_UINT64_FLOAT): Likewise.
24639         (BT_FN_UINT16_UINT32): Likewise.
24640         (BT_FN_UINT32_UINT16): Likewise.
24641         (BT_FN_UINT16_UINT16_UINT16): Likewise.
24642         (BT_FN_INT_PTR_INT): Likewise.
24643         (BT_FN_UINT_PTR_UINT): Likewise.
24644         (BT_FN_LONG_PTR_LONG): Likewise.
24645         (BT_FN_ULONG_PTR_ULONG): Likewise.
24646         (BT_FN_VOID_UINT64_UINT64): Likewise.
24647         (BT_FN_UINT8_UINT8_UINT8): Likewise.
24648         (BT_FN_INT8_INT8_INT8): Likewise.
24649         (BT_FN_INT16_INT16_INT16): Likewise.
24650         (BT_FN_INT_INT_INT): Likewise.
24651         (BT_FN_UINT_FLOAT_UINT): Likewise.
24652         (BT_FN_FLOAT_UINT_UINT): Likewise.
24653         (BT_FN_ULONG_UINT_UINT): Likewise.
24654         (BT_FN_ULONG_UINT_PTR): Likewise.
24655         (BT_FN_ULONG_ULONG_ULONG): Likewise.
24656         (BT_FN_UINT_UINT_UINT): Likewise.
24657         (BT_FN_VOID_UINT_PTR): Likewise.
24658         (BT_FN_UINT_UINT_PTR: Likewise.
24659         (BT_FN_UINT32_UINT64_PTR): Likewise.
24660         (BT_FN_INT_INT_UINT_UINT): Likewise.
24661         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
24662         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
24663         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
24664         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
24665         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
24666         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
24667         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
24668         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
24669         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
24670         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
24671         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
24672         * doc/frontends.texi: List BRIG FE.
24673         * doc/install.texi (Testing): Add BRIG tesring requirements.
24674         * doc/invoke.texi (Overall Options): Mention BRIG.
24675         * doc/standards.texi (Standards): Doucment BRIG HSA version.
24676
24677 2017-01-24  Richard Biener  <rguenther@suse.de>
24678
24679         PR translation/79208
24680         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
24681
24682 2017-01-24  Martin Jambor  <mjambor@suse.cz>
24683
24684         PR bootstrap/79198
24685         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
24686         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
24687         and known_contexts.
24688
24689 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
24690
24691         PR middle-end/79123
24692         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
24693         casts from signed to unsigned really don't have a range.
24694
24695 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
24696
24697         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
24698         GMP_RNDx for compatiblity.
24699
24700 2017-01-24  Martin Liska  <mliska@suse.cz>
24701
24702         PR bootstrap/79132
24703         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
24704         that would prevent us to call alloca with -1 as argument.
24705
24706 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
24707
24708         * dwarf2out.c (output_compilation_unit_header, output_file_names):
24709         Avoid -Wformat-security warning.
24710
24711 2017-01-23  Andrew Pinski  <apinski@cavium.com>
24712
24713         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
24714         cost table.
24715
24716 2017-01-23  Martin Sebor  <msebor@redhat.com>
24717
24718         PR middle-end/78703
24719         * gimple-ssa-sprintf.c (warn_level): New global.
24720         (format_integer): Use it here and throughout the rest of the file.
24721         Use the same switch to compute sign as base.
24722         (maybe_warn): New function.
24723         (format_directive): Factor out warnings into maybe_warn.
24724         Add debugging output.  Use warn_level.
24725         (add_bytes): Use warn_level.
24726         (pass_sprintf_length::compute_format_length): Add debugging output.
24727         (try_substitute_return_value): Same.
24728         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
24729
24730         PR middle-end/78703
24731         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
24732         (struct fmtresult, format_integer, format_floating): Adjust.
24733         (fmtresult::fmtresult): Set max correctly in two argument ctor.
24734         (get_string_length, format_string,format_directive): Same.
24735         (pass_sprintf_length::compute_format_length): Same.
24736         (try_substitute_return_value): Simplify slightly.
24737
24738         PR middle-end/78703
24739         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
24740         (fmtresult::operator+=): Outlined.
24741         (struct fmtresult): Add ctors.
24742         (struct conversion_spec): Rename...
24743         (struct directive): ...to this.  Add and remove data members.
24744         (directive::set_width, directive::set_precision): New functions.
24745         (format_percent): Use fmtresult ctor.
24746         (get_width_and_precision): Remove.
24747         (format_integer): Make naming changes.  Avoid computing width and
24748         precision.
24749         (format_floating): Same.  Adjust indentation.
24750         (format_character, format_none): New functions.
24751         (format_string): Moved character handling to format_character.
24752         (format_directive): Remove arguments, change return type.
24753         (parse_directive): New function.
24754         (pass_sprintf_length::compute_format_length): Move directive
24755         parsing to parse_directive.
24756
24757 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
24758
24759         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
24760         (assign_assembler_name_if_needed): ... this.
24761         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
24762         (assign_assembler_name_if_needed): ... this.
24763         (free_lang_data_in_cgraph): Adjust callers.
24764         * cgraphunit.c (cgraph_node::analyze): Likewise.
24765         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
24766         Likewise.
24767
24768 2017-01-23  Richard Biener  <rguenther@suse.de>
24769
24770         PR tree-optimization/79088
24771         PR tree-optimization/79188
24772         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
24773         resetting loop bounds after last path deletion.  Reset loop
24774         bounds of the target loop, make code match the comments.
24775         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
24776         Make sure loops need no fixups.
24777
24778 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
24779
24780         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
24781         exponent support with double type for first argument.
24782         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
24783         type returned by __builtin_vec_extract_sig,
24784         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
24785         functions from "vector int" to "vector unsigned int" or from
24786         "vector long long int" to "vector unsigned long long int".
24787         Changed type returned by __builtin_vec_extract_exp,
24788         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
24789         functions from "vector int" to "vector unsigned int" or from
24790         "vector long long int" to "vector unsigned long long int".
24791         Changed return type of __builtin_vec_test_data_class,
24792         __builtin_vec_test_data_class_sp, and
24793         __builtin_vec_test_data_class_dp from "vector int" to
24794         "vector bool int" or from "vector long long int" to "vector bool
24795         long long int" and changed second argument type from "unsigned
24796         int" to "int".  Added new overloaded function forms "vector float
24797         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
24798         "vector float __builtin_vec_insert_exp_sp (vector float, vector
24799         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
24800         double, vector unsigned long long int)" and "vector double
24801         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
24802         long int)".  Changed return type of
24803         __builtin_scalar_test_data_class and
24804         __builtin_scalar_test_data_class_sp and
24805         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
24806         int" and changed second argument from "unsigned int" to "int".
24807         Changed type returned by __builtin_scalar_test_neg,
24808         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
24809         from "int" to "bool int".  Added new overloaded function form
24810         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
24811         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
24812         exponent double-precision with floating point first argument.
24813         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
24814         documentation of scalar_test_data_class, scalar_test_neg,
24815         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
24816         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
24817         vec_test_data_class built-in functions to reflect refinements in
24818         their type signatures.
24819
24820 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
24821
24822         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
24823         size of buf.
24824         (aarch64_elf_asm_destructor): Likewise.
24825
24826 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
24827
24828         PR rtl-optimization/78634
24829         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
24830         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
24831         * ifcvt.c (noce_try_cmove): Add missing cost check.
24832
24833         PR rtl-optimization/71724
24834         * combine.c (if_then_else_cond): Look for situations where it is
24835         beneficial to undo the work of one of the recursive calls.
24836
24837 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
24838
24839         PR tree-optimization/70754
24840         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
24841         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
24842         combined stmt before it if not NULL.
24843         (combine_chains): Process refs reversely and compute dominance point
24844         for root ref.
24845
24846 2017-01-23  Martin Liska  <mliska@suse.cz>
24847
24848         PR tree-optimization/79196
24849         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
24850         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
24851         instead of memcmp.
24852         (strlen_optimize_stmt): Call the renamed function.
24853
24854 2017-01-23  Michael Matz  <matz@suse.de>
24855
24856         PR tree-optimization/78384
24857         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
24858
24859 2017-01-23  Richard Biener  <rguenther@suse.de>
24860
24861         PR tree-optimization/79186
24862         * tree-vrp.c (register_new_assert_for): Make sure we've seen
24863         both incoming edges before moving an assert.
24864
24865 2017-01-23  Martin Jambor  <mjambor@suse.cz>
24866
24867         * ipa-prop.c (load_from_param_1): Removed.
24868         (load_from_unmodified_param): Bits from load_from_param_1 put back
24869         here.
24870         (load_from_param): Removed.
24871         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
24872         with stmt.  Reverted back to use of load_from_unmodified_param.
24873
24874 2017-01-23  Martin Jambor  <mjambor@suse.cz>
24875
24876         PR ipa/79108
24877         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
24878         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
24879         field a pointer to garbage collected vector, mark lattices and
24880         ipcp_orig_node with GTY((skip)).
24881         (ipa_get_param_count): Adjust to descriptors being a pointer.
24882         (ipa_get_param): Likewise.
24883         (ipa_get_type): Likewise.
24884         (ipa_get_param_move_cost): Likewise.
24885         (ipa_set_param_used): Likewise.
24886         (ipa_get_controlled_uses): Likewise.
24887         (ipa_set_controlled_uses): Likewise.
24888         (ipa_is_param_used): Likewise.
24889         (ipa_node_params_t): Move into garbage collector.  New methods insert
24890         and remove.
24891         (ipa_node_params_sum): Annotate wth GTY(()).
24892         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
24893         garbage collected.
24894         (ipa_load_from_parm_agg): Adjust declaration.
24895         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
24896         * ipa-profile.c (ipa_profile): Likewise.
24897         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
24898         (ipa_populate_param_decls): Make descriptors parameter garbage
24899         collected.
24900         (ipa_dump_param): Adjust to descriptors being a pointer.
24901         (ipa_alloc_node_params): Likewise.
24902         (ipa_initialize_node_params): Likewise.
24903         (load_from_param_1): Make descriptors parameter garbage collected.
24904         (load_from_unmodified_param): Likewise.
24905         (load_from_param): Likewise.
24906         (ipa_load_from_parm_agg): Likewise.
24907         (ipa_node_params::~ipa_node_params): Removed.
24908         (ipa_free_all_node_params): Remove call to delete operator.
24909         (ipa_node_params_t::insert): New.
24910         (ipa_node_params_t::remove): Likewise.
24911         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
24912         copy known_csts and known_contexts vectors.
24913         (ipa_read_node_info): Adjust to descriptors being a pointer.
24914         (ipcp_modif_dom_walker): Make m_descriptors field garbage
24915         collected.
24916         (ipcp_transform_function): Make descriptors variable garbage
24917         collected.
24918
24919 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
24920
24921         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
24922         * config/i386/avx512dqintrin.h: Ditto.
24923         * config/i386/avx512fintrin.h: Ditto.
24924         * config/i386/i386.c: Handle new builtins.
24925         * config/i386/i386-builtin.def: Add new builtins.
24926         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
24927         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
24928
24929 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
24930             Martin Liska  <mliska@suse.cz>
24931
24932         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
24933         * asan.c (asan_expand_poison_ifn): Support stores and use
24934         appropriate ASAN report function.
24935         * internal-fn.c (expand_ASAN_POISON_USE): New function.
24936         * internal-fn.def (ASAN_POISON_USE): Declare.
24937         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
24938         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
24939         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
24940         ASAN_POISON calls w/o LHS.
24941         * tree-ssa.c (execute_update_addresses_taken): Create clobber
24942         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
24943         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
24944         * gimplify.c (asan_poison_variables): Add attribute
24945         use_after_scope_memory to variables that really needs to live
24946         in memory.
24947         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
24948         having the attribute.
24949
24950 2017-01-23  Martin Liska  <mliska@suse.cz>
24951
24952         * asan.c (create_asan_shadow_var): New function.
24953         (asan_expand_poison_ifn): Likewise.
24954         * asan.h (asan_expand_poison_ifn): New declaration.
24955         * internal-fn.c (expand_ASAN_POISON): Likewise.
24956         * internal-fn.def (ASAN_POISON): New builtin.
24957         * sanopt.c (pass_sanopt::execute): Expand
24958         asan_expand_poison_ifn.
24959         * tree-inline.c (copy_decl_for_dup_finish): Make function
24960         external.
24961         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
24962         * tree-ssa.c (is_asan_mark_p): New function.
24963         (execute_update_addresses_taken): Rewrite local variables
24964         (identified just by use-after-scope as addressable) into SSA.
24965
24966 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24967
24968         * doc/install.texi (Specific): opensource.apple.com uses https
24969         now. Remove trailing slash.
24970
24971 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24972
24973         * README.Portability: Remove note on an Irix compatibility issue.
24974
24975 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
24976
24977         * gcov.c (INCLUDE_ALGORITHM): Define.
24978         (INCLUDE_VECTOR): Define.
24979         No longer include <vector> and <algorithm> directly.
24980
24981 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
24982
24983         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
24984         to https.
24985         * doc/invoke.texi (Code Gen Options): Ditto.
24986
24987 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
24988
24989         PR lto/78407
24990         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
24991
24992 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
24993
24994         rtl-optimization/79125
24995         * cprop.c (local_cprop_pass): Handle cases where we make an
24996         unconditional trap.
24997
24998 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
24999
25000         PR target/61729
25001         PR target/77850
25002         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
25003         read from, for big endian.
25004
25005 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
25006
25007         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
25008         register pauth builtins for LP64 only.
25009
25010 2017-01-20  Marek Polacek  <polacek@redhat.com>
25011
25012         PR c/79152
25013         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
25014         non-case labels.
25015
25016 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
25017
25018         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
25019         of safelen status.
25020         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
25021         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
25022         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
25023
25024 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25025
25026         PR target/71270
25027         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
25028         in big-endian mode when they are not a single duplicated value.
25029
25030 2017-01-20  Richard Biener  <rguenther@suse.de>
25031
25032         * BASE-VER: Bump to 7.0.1.
25033
25034 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
25035
25036         * omp-low.c (omplow_simd_context): New struct.  Use it...
25037         (lower_rec_simd_input_clauses): ...here and...
25038         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
25039         references to idx, lane, max_vf, is_simt.
25040
25041 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
25042
25043         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
25044         mcpu=nps400.
25045
25046 2017-01-20  Martin Jambor  <mjambor@suse.cz>
25047
25048         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
25049         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
25050         gt-hsa-common.h.
25051         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
25052         (GTFILES): Rename hsa.c to hsa-common.c.
25053         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
25054         * hsa-dump.c: Likewise.
25055         * hsa-gen.c: Likewise.
25056         * hsa-regalloc.c: Likewise.
25057         * ipa-hsa.c: Likewise.
25058         * omp-expand.c: Likewise.
25059         * omp-low.c: Likewise.
25060         * toplev.c: Likewise.
25061
25062 2017-01-20  Marek Polacek  <polacek@redhat.com>
25063
25064         PR c/64279
25065         * doc/invoke.texi: Document -Wduplicated-branches.
25066         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
25067         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
25068         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
25069         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
25070         return 0 only when not OEP_LEXICOGRAPHIC.
25071         (fold_build_cleanup_point_expr): Use the expression
25072         location when building CLEANUP_POINT_EXPR.
25073         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
25074         * tree.c (add_expr): Handle error_mark_node.
25075
25076 2017-01-20  Martin Liska  <mliska@suse.cz>
25077
25078         PR lto/69188
25079         * tree-profile.c (init_ic_make_global_vars): Do not call
25080         finalize_decl.
25081         (gimple_init_gcov_profiler): Likewise.
25082
25083 2017-01-20  Martin Liska  <mliska@suse.cz>
25084
25085         PR ipa/71190
25086         * cgraph.h (maybe_create_reference): Remove argument and
25087         update comment.
25088         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
25089         argument.
25090         * ipa-cp.c (create_specialized_node): Likewise.
25091         * symtab.c (symtab_node::maybe_create_reference): Handle
25092         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
25093
25094 2017-01-20  Martin Liska  <mliska@suse.cz>
25095
25096         * read-rtl-function.c (function_reader::create_function): Use
25097         build_decl instread of build_decl_stat.
25098
25099 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
25100
25101         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
25102         * config/i386/avx512dqintrin.h: Ditto.
25103         * config/i386/avx512fintrin.h: Ditto.
25104         * config/i386/i386-builtin-types.def: Add new types.
25105         * config/i386/i386.c: Handle new types.
25106         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
25107         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
25108         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
25109         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
25110         (__builtin_ia32_kshiftridi): New.
25111         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
25112
25113 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
25114
25115         PR target/78875
25116         PR target/79140
25117         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
25118         define to rs6000_init_stack_protect_guard.
25119         (rs6000_init_stack_protect_guard): New function.
25120
25121 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
25122             Yunqiang Su  <yunqiang.su@imgtec.com>
25123
25124         * config.gcc (supported_defaults): Add madd4.
25125         (with_madd4): Add validation.
25126         (all_defaults): Add madd4.
25127         * config/mips/mips.opt (mmadd4): New option.
25128         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
25129         mmadd4.
25130         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
25131         __mips_no_madd4.
25132         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
25133         (ISA_HAS_FUSED_MADD4): Likewise.
25134         * doc/invoke.texi (-mmadd4): Document the new option.
25135         * doc/install.texi (--with-madd4): Document the new option.
25136
25137 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25138
25139         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
25140         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
25141         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
25142         (aarch64_init_pauth_hint_builtins): New.
25143         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
25144         (aarch64_expand_builtin): Expand new builtins.
25145
25146 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25147
25148         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
25149         * combine-stack-adj.c (no_unhandled_cfa): Handle
25150         REG_CFA_TOGGLE_RA_MANGLE.
25151         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
25152         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
25153         info for return address signing.
25154         (aarch64_expand_epilogue): Likewise.
25155
25156 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25157
25158         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
25159         * config/aarch64/aarch64-protos.h
25160         (aarch64_return_address_signing_enabled): New declaration.
25161         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
25162         New function.
25163         (aarch64_expand_prologue): Sign return address before it's pushed onto
25164         stack.
25165         (aarch64_expand_epilogue): Authenticate return address fetched from
25166         stack.
25167         (aarch64_override_options): Sanity check for ILP32 and ISA level.
25168         (aarch64_attributes): New function attributes for "sign-return-address".
25169         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
25170         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
25171         ("*do_return"): Generate combined instructions according to key index.
25172         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
25173         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
25174         iterators.
25175         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
25176         * config/aarch64/aarch64.opt (msign-return-address=): New.
25177         * doc/extend.texi (AArch64 Function Attributes): Documents
25178         "sign-return-address=".
25179         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
25180
25181 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
25182
25183         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
25184         overall option summary.
25185
25186 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
25187
25188         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
25189         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
25190         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
25191         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
25192
25193 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
25194
25195         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
25196         -mpower9-minmax by default for -mcpu=power9.
25197         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
25198         128-bit floating point.
25199
25200 2017-01-20  Alan Modra  <amodra@gmail.com>
25201
25202         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
25203         optimizing for size.
25204
25205 2017-01-20  Alan Modra  <amodra@gmail.com>
25206
25207         PR target/79144
25208         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
25209         for strcmp and strncmp from corresponding builtin decl.
25210
25211 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
25212
25213         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
25214         instead of i386/rtems-64.h.
25215         * config/i386/rtems-64.h: Remove.
25216
25217 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
25218
25219         PR target/78478
25220         Revert:
25221         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
25222
25223         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
25224
25225 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
25226
25227         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
25228         Change int to HOST_WIDE_INT.
25229         * config/aarch64/aarch64-protos.h
25230         (aarch64_simd_gen_const_vector_dup): Likewise.
25231         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
25232
25233 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
25234
25235         * langhooks-def.h (lhd_type_for_size): New decl.
25236         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
25237         * langhooks.c (lhd_type_for_size): New function, taken from
25238         lto_type_for_size.
25239
25240 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
25241
25242         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
25243         define_bypass for CR latency.
25244         (power9-cracked-alu): Update bypass latency and remove power9-branch.
25245         (power9-alu2): Add define_bypass for CR latency.
25246         (power9-cmp): New.
25247         (power9-mul): Update insn latency.
25248         (power9-mul-compare): Update insn latency, bypass latency and remove
25249         power9-branch.
25250
25251 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25252
25253         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
25254         Delete.
25255         * config/aarch64/aarch64.md
25256         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
25257         aarch64_nopcrelative_literal_loads.
25258         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
25259
25260 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
25261
25262         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
25263         TARGET_LOONGSON_3A.
25264         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
25265
25266 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
25267
25268         PR target/78176
25269         * config.gcc (supported_defaults): Add lxc1-sxc1.
25270         (with_lxc1_sxc1): Add validation.
25271         (all_defaults): Add lxc1-sxc1.
25272         * config/mips/mips.opt (mlxc1-sxc1): New option.
25273         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
25274         mlxc1-sxc1.
25275         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
25276         __mips_no_lxc1_sxc1.
25277         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
25278         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
25279         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
25280
25281 2017-01-19  Richard Biener  <rguenther@suse.de>
25282
25283         PR tree-optimization/72488
25284         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
25285         sure to restore SSA info.
25286         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
25287
25288 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
25289
25290         PR rtl-optimization/79121
25291         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
25292         of the inner type when shifting an extended value.
25293
25294 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
25295
25296         PR lto/78407
25297         * symtab.c (symtab_node::equal_address_to): Fix comparing of
25298         interposable aliases.
25299
25300 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
25301
25302         PR target/78516
25303         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
25304         Use the evmergelohi instruction.
25305         (mov_si<mode>_e500_subreg4_2_le): Likewise.
25306         (mov_sitf_e500_subreg8_2_be): Likewise.
25307         (mov_sitf_e500_subreg12_2_le): Likewise.
25308         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
25309         (mov_si<mode>_e500_subreg4_2_be): Likewise.
25310         (mov_sitf_e500_subreg8_2_le): Likewise.
25311         (mov_sitf_e500_subreg12_2_be): Likewise.
25312
25313 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25314
25315         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
25316         attribute from vecsimple to vecperm.
25317         (altivec_vbpermq2): Likewise.
25318
25319 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25320
25321         PR target/79040
25322         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
25323
25324 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
25325         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
25326         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
25327         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
25328         case where N arg is SIZE_MAX.
25329         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
25330         (cmpstrsi): Add pattern.
25331
25332 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
25333
25334         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
25335         __builtin_vec_revb builtins.
25336         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
25337         built-in functions to support generation of the ISA 3.0 XXBR<x>
25338         vector byte reverse instructions.
25339         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
25340         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
25341         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
25342         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
25343         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
25344         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
25345         (P9V_BUILTIN_VEC_REVB): Likewise.
25346         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
25347         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
25348         (p9_xxbrq_v16qi): Likewise.
25349         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
25350         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
25351         (p9_xxbrh_v8hi): Likewise.
25352         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
25353         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
25354         vec_revb built-in functions.
25355
25356 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
25357
25358         PR rtl-optimization/78952
25359         * config/i386/i386.md (any_extract): New code iterator.
25360         (*insvqi_2): Use any_extract for source operand.
25361         (*insvqi_3): Use any_shiftrt for source operand.
25362
25363 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
25364
25365         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
25366         New function.
25367         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
25368
25369 2017-01-18  Matthias Klose  <doko@ubuntu.com>
25370
25371         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
25372
25373 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25374
25375         * config/rs6000/altivec.h (vec_bperm): Change #define.
25376         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
25377         (altivec_vbpermq2): New define_insn.
25378         (altivec_vbpermd): Likewise.
25379         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
25380         function interface.
25381         (VBPERMD): Likewise.
25382         (VBPERM): New polymorphic function interface.
25383         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
25384         Add entries for P9V_BUILTIN_VEC_VBPERM.
25385         * doc/extend.texi: Add interfaces for vec_bperm.
25386
25387 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25388
25389         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
25390         first letter of error messages.
25391         (s390_resolve_overloaded_builtin): Likewise.
25392         * config/s390/s390.c (s390_expand_builtin): Likewise.
25393         (s390_invalid_arg_for_unprototyped_fn): Likewise.
25394         (s390_valid_target_attribute_inner_p): Likewise.
25395         * config/s390/s390.md ("tabort"): Likewise.
25396
25397 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
25398
25399         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
25400         (ISA_AVOID_DIV_HILO): New macro.
25401         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
25402         (ISA_HAS_DDIV): Likewise.
25403
25404 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25405
25406         * doc/invoke.texi (fabi-version): Correct number of occurrences.
25407
25408 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25409
25410         * doc/invoke.texi (fabi-version): Spelling fix.
25411
25412 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25413
25414         PR c++/70182
25415         * doc/invoke.texi (fabi-version): Mention mangling fix for
25416         operator names.
25417
25418 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
25419
25420         PR c++/77489
25421         * doc/invoke.texi (fabi-version): Document discriminator mangling.
25422
25423 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
25424
25425         PR target/78875
25426         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
25427         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
25428         the new options.
25429         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
25430         flexible settings.
25431         (stack_protect_test): Ditto.
25432         * config/rs6000/rs6000.opt (mstack-protector-guard=,
25433         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
25434         options.
25435         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
25436         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
25437         -mstack-protector-guard-offset=.
25438         (RS/6000 and PowerPC Options): Ditto.
25439
25440 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
25441
25442         * config/i386/i386.h (MASK_CLASS_P): New define.
25443         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
25444         there are no registers from different register sets also when
25445         mask registers are used.  Update function comment.
25446         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
25447         to (*k/*r) and (*k/*km) alternatives.
25448
25449 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
25450
25451         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
25452         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
25453         (EH_RETURN_HANDLER_RTX): New define.
25454         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
25455         Force frame pointer in EH return functions.
25456         (aarch64_expand_epilogue): Add barrier for eh_return.
25457         (aarch64_final_eh_return_addr): Remove.
25458         (aarch64_eh_return_handler_rtx): New function.
25459         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
25460         Remove.
25461         (aarch64_eh_return_handler_rtx): New prototype.
25462
25463 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25464
25465         * config/rs6000/altivec.h (vec_rlmi): New #define.
25466         (vec_vrlnm): Likewise.
25467         (vec_rlnm): Likewise.
25468         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
25469         (UNSPEC_VRLNM): Likewise.
25470         (VIlong): New mode iterator.
25471         (altivec_vrl<VI_char>mi): New define_insn.
25472         (altivec_vrl<VI_char>nm): Likewise.
25473         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
25474         function entry.
25475         (VRLDNM): Likewise.
25476         (RLNM): New polymorphic function entry.
25477         (VRLWMI): New monomorphic function entry.
25478         (VRLDMI): Likewise.
25479         (RLMI): New polymorphic function entry.
25480         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
25481         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
25482         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
25483         vec_vrlnm.
25484
25485 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
25486
25487         PR debug/78839
25488         * dwarf2out.c (field_byte_offset): Restore the
25489         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
25490         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
25491         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
25492         of build2 + fold.
25493
25494 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
25495
25496         PR ada/67205
25497         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
25498
25499 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
25500
25501         PR debug/71669
25502         * dwarf2out.c (add_data_member_location_attribute): For constant
25503         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
25504         instead of DW_AT_data_member_location, DW_AT_bit_offset and
25505         DW_AT_byte_size attributes.
25506
25507 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
25508
25509         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
25510         after forcing to constant memory when the code model is medium.
25511
25512 2017-01-17  Julia Koval  <julia.koval@intel.com>
25513
25514         PR target/76731
25515         * config/i386/avx512fintrin.h
25516         (_mm512_i32gather_ps): Change __addr type to void const*.
25517         (_mm512_mask_i32gather_ps): Ditto.
25518         (_mm512_i32gather_pd): Ditto.
25519         (_mm512_mask_i32gather_pd): Ditto.
25520         (_mm512_i64gather_ps): Ditto.
25521         (_mm512_mask_i64gather_ps): Ditto.
25522         (_mm512_i64gather_pd): Ditto.
25523         (_mm512_mask_i64gather_pd): Ditto.
25524         (_mm512_i32gather_epi32): Ditto.
25525         (_mm512_mask_i32gather_epi32): Ditto.
25526         (_mm512_i32gather_epi64): Ditto.
25527         (_mm512_mask_i32gather_epi64): Ditto.
25528         (_mm512_i64gather_epi32): Ditto.
25529         (_mm512_mask_i64gather_epi32): Ditto.
25530         (_mm512_i64gather_epi64): Ditto.
25531         (_mm512_mask_i64gather_epi64): Ditto.
25532         (_mm512_i32scatter_ps): Change __addr type to void*.
25533         (_mm512_mask_i32scatter_ps): Ditto.
25534         (_mm512_i32scatter_pd): Ditto.
25535         (_mm512_mask_i32scatter_pd): Ditto.
25536         (_mm512_i64scatter_ps): Ditto.
25537         (_mm512_mask_i64scatter_ps): Ditto.
25538         (_mm512_i64scatter_pd): Ditto.
25539         (_mm512_mask_i64scatter_pd): Ditto.
25540         (_mm512_i32scatter_epi32): Ditto.
25541         (_mm512_mask_i32scatter_epi32): Ditto.
25542         (_mm512_i32scatter_epi64): Ditto.
25543         (_mm512_mask_i32scatter_epi64): Ditto.
25544         (_mm512_i64scatter_epi32): Ditto.
25545         (_mm512_mask_i64scatter_epi32): Ditto.
25546         (_mm512_i64scatter_epi64): Ditto.
25547         (_mm512_mask_i64scatter_epi64): Ditto.
25548         * config/i386/avx512pfintrin.h
25549         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
25550         (_mm512_mask_prefetch_i32gather_ps): Ditto.
25551         (_mm512_mask_prefetch_i64gather_pd): Ditto.
25552         (_mm512_mask_prefetch_i64gather_ps): Ditto.
25553         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
25554         (_mm512_prefetch_i32scatter_ps): Ditto.
25555         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
25556         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
25557         (_mm512_prefetch_i64scatter_pd): Ditto.
25558         (_mm512_prefetch_i64scatter_ps): Ditto.
25559         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
25560         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
25561         * config/i386/avx512vlintrin.h
25562         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
25563         (_mm_mmask_i32gather_ps): Ditto.
25564         (_mm256_mmask_i32gather_pd): Ditto.
25565         (_mm_mmask_i32gather_pd): Ditto.
25566         (_mm256_mmask_i64gather_ps): Ditto.
25567         (_mm_mmask_i64gather_ps): Ditto.
25568         (_mm256_mmask_i64gather_pd): Ditto.
25569         (_mm_mmask_i64gather_pd): Ditto.
25570         (_mm256_mmask_i32gather_epi32): Ditto.
25571         (_mm_mmask_i32gather_epi32): Ditto.
25572         (_mm256_mmask_i32gather_epi64): Ditto.
25573         (_mm_mmask_i32gather_epi64): Ditto.
25574         (_mm256_mmask_i64gather_epi32): Ditto.
25575         (_mm_mmask_i64gather_epi32): Ditto.
25576         (_mm256_mmask_i64gather_epi64): Ditto.
25577         (_mm_mmask_i64gather_epi64): Ditto.
25578         (_mm256_i32scatter_ps): Change __addr type to void*.
25579         (_mm256_mask_i32scatter_ps): Ditto.
25580         (_mm_i32scatter_ps): Ditto.
25581         (_mm_mask_i32scatter_ps): Ditto.
25582         (_mm256_i32scatter_pd): Ditto.
25583         (_mm256_mask_i32scatter_pd): Ditto.
25584         (_mm_i32scatter_pd): Ditto.
25585         (_mm_mask_i32scatter_pd): Ditto.
25586         (_mm256_i64scatter_ps): Ditto.
25587         (_mm256_mask_i64scatter_ps): Ditto.
25588         (_mm_i64scatter_ps): Ditto.
25589         (_mm_mask_i64scatter_ps): Ditto.
25590         (_mm256_i64scatter_pd): Ditto.
25591         (_mm256_mask_i64scatter_pd): Ditto.
25592         (_mm_i64scatter_pd): Ditto.
25593         (_mm_mask_i64scatter_pd): Ditto.
25594         (_mm256_i32scatter_epi32): Ditto.
25595         (_mm256_mask_i32scatter_epi32): Ditto.
25596         (_mm_i32scatter_epi32): Ditto.
25597         (_mm_mask_i32scatter_epi32): Ditto.
25598         (_mm256_i32scatter_epi64): Ditto.
25599         (_mm256_mask_i32scatter_epi64): Ditto.
25600         (_mm_i32scatter_epi64): Ditto.
25601         (_mm_mask_i32scatter_epi64): Ditto.
25602         (_mm256_i64scatter_epi32): Ditto.
25603         (_mm256_mask_i64scatter_epi32): Ditto.
25604         (_mm_i64scatter_epi32): Ditto.
25605         (_mm_mask_i64scatter_epi32): Ditto.
25606         (_mm256_i64scatter_epi64): Ditto.
25607         (_mm256_mask_i64scatter_epi64): Ditto.
25608         (_mm_i64scatter_epi64): Ditto.
25609         (_mm_mask_i64scatter_epi64): Ditto.
25610         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
25611         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
25612         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
25613         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
25614         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
25615         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
25616         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
25617         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
25618         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
25619         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
25620         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
25621         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
25622         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
25623         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
25624         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
25625         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
25626         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
25627         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
25628         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
25629         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
25630         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
25631         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
25632         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
25633         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
25634         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
25635         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
25636         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
25637         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
25638         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
25639         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
25640         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
25641         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
25642         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
25643         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
25644         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
25645         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
25646         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
25647         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
25648         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
25649         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
25650         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
25651         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
25652         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
25653         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
25654         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
25655         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
25656         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
25657         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
25658         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
25659         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
25660         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
25661         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
25662         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
25663         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
25664         definitions accordingly.
25665
25666 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
25667             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
25668
25669         PR target/79079
25670         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
25671         gen_lowpart.
25672
25673 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
25674
25675         PR target/79058
25676         * ira-conflicts.c (ira_build_conflicts): Update total conflict
25677         hard regs for inner regno.
25678
25679 2017-01-17  Martin Liska  <mliska@suse.cz>
25680
25681         PR ipa/71207
25682         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
25683         assumption and add comment.
25684
25685 2017-01-17  Nathan Sidwell  <nathan@acm.org>
25686
25687         * ipa-visibility.c (localize_node): New function, broken out of ...
25688         (function_and_variable_visibility): ... here. Call it.
25689
25690 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
25691
25692         PR middle-end/77445
25693         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
25694         correctly set frequency of oudgoing edge.
25695         (duplicate_thread_path): Fix profile updating.
25696
25697 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
25698
25699         PR other/79046
25700         * configure.ac: Add GCC_BASE_VER.
25701         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
25702         version from BASE-VER file.
25703         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
25704         (gcc.o): Depend on $(BASEVER).
25705         * common.opt (dumpfullversion): New option.
25706         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
25707         * doc/invoke.texi: Document -dumpfullversion.
25708         * doc/install.texi: Document --with-gcc-major-version-only.
25709         * configure: Regenerated.
25710
25711 2017-01-17  Richard Biener  <rguenther@suse.de>
25712
25713         PR tree-optimization/71433
25714         * tree-vrp.c (register_new_assert_for): Merge same asserts
25715         on all incoming edges.
25716         (process_assert_insertions_for): Handle insertions at the
25717         beginning of BBs.
25718
25719 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
25720
25721         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
25722         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
25723
25724 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
25725
25726         PR target/78633
25727         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
25728         RTL sharing.
25729
25730 2017-01-17  Alan Modra  <amodra@gmail.com>
25731
25732         PR target/79066
25733         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
25734         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
25735         symbolic stack limit when pic.
25736
25737 2017-01-16  Martin Sebor  <msebor@redhat.com>
25738
25739         PR tree-optimization/78608
25740         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
25741
25742 2017-01-16  Jeff Law  <law@redhat.com>
25743
25744         Revert:
25745         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
25746         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
25747         for several include directories that may be relative to sysroot.
25748         * config/i386/x-mingw32 (gplus_includedir): Define.
25749         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
25750         (native_system_includedir): Likewise.
25751         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
25752         override if TARGET_SYSTEM_ROOT is defined.
25753         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
25754
25755         PR tree-optimization/79090
25756         PR tree-optimization/33562
25757         PR tree-optimization/61912
25758         PR tree-optimization/77485
25759         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
25760         and computed trims into the dump file.
25761
25762 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
25763
25764         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
25765
25766 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
25767
25768         PR c/79089
25769         * gimplify.c (gimplify_init_constructor): If want_value and
25770         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
25771         fix.
25772
25773         PR target/79080
25774         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
25775         sequence.  Formatting fixes.
25776         (doloop_optimize): Formatting fixes.
25777
25778         PR driver/49726
25779         * gcc.c (debug_level_greater_than_spec_func): New function.
25780         (static_spec_functions): Add debug-level-gt spec function.
25781         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
25782         !g0.
25783         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
25784         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
25785         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
25786         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
25787         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
25788         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
25789
25790 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
25791
25792         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
25793         QImode fixups to general and mask registers only.
25794
25795 2017-01-16  Carl Love  <cel@us.ibm.com>
25796
25797         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
25798         for built-in functions
25799         vector signed char vec_nabs (vector signed char)
25800         vector signed short vec_nabs (vector signed short)
25801         vector signed int vec_nabs (vector signed int)
25802         vector signed long long vec_nabs (vector signed long long)
25803         vector float vec_nabs (vector float)
25804         vector double vec_nabs (vector double)
25805         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
25806         and NABS overload.
25807         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
25808         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
25809         * doc/extend.texi: Update the documentation file for the new built-in
25810         functions.
25811
25812 2017-01-16  Martin Sebor  <msebor@redhat.com>
25813
25814         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
25815         message.
25816
25817 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25818
25819         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
25820         UNSPEC_VSX__XXSPLTD to require special splat handling.
25821
25822 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
25823
25824         PR bootstrap/78616
25825         * system.h: Poison strndup.
25826
25827 2017-01-16  Alan Modra  <amodra@gmail.com>
25828
25829         PR target/79098
25830         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
25831         use a switch.
25832
25833 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
25834
25835         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
25836
25837 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
25838
25839         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
25840         call recog here.  Assert that INSN_CODE (insn) is non-negative.
25841
25842 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
25843
25844         PR target/72749
25845         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
25846         fallthrough.
25847         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
25848         in the currently scheduled RTL fragment.
25849
25850 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
25851
25852         PR rtl-optimization/78751
25853         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
25854         give up.
25855
25856 2017-01-14  Jeff Law  <law@redhat.com>
25857
25858         PR tree-optimization/79090
25859         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
25860         variable length stores.
25861         (compute_trims): Delete dead assignment to *trim_tail.
25862         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
25863         zero length.
25864
25865 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
25866
25867         PR rtl-optimization/78626
25868         PR rtl-optimization/78727
25869         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
25870         of a block, and split such blocks after everything else is finished.
25871
25872 2017-01-14  Alan Modra  <amodra@gmail.com>
25873
25874         PR target/72749
25875         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
25876         target legitimate_combined_insn.
25877         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
25878         (rs6000_legitimate_combined_insn): New function.
25879         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
25880         all uses.
25881         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
25882         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
25883         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
25884
25885 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
25886
25887         * doc/frontends.texi (G++ and GCC): Remove references to Java.
25888
25889 2017-01-13  Jeff Law  <law@redhat.com>
25890
25891         PR tree-optimization/33562
25892         PR tree-optimization/61912
25893         PR tree-optimization/77485
25894         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
25895         a statement.
25896         (delete_dead_assignment): Likewise.
25897         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
25898         statement to delete_dead_call and delete_dead_assignment.
25899
25900 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
25901
25902         PR c/78304
25903         * substring-locations.c (format_warning_va): Strengthen case 1 so
25904         that both endpoints of the substring must be within the format
25905         range for just the substring to be printed.
25906
25907 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
25908
25909         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
25910         * config/i386/i386.c (ix86_target_string): Add missing options
25911         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
25912         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
25913         flags_other and ix86_target_other to flags2_other.  Display unknown
25914         isa2 options.
25915         (ix86_valid_target_attribute_inner_p): Add missing options and
25916         reorder options by implied ISAs, as in ix86_target_string.
25917
25918 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25919
25920         * hash-table.h (hash_table::too_empty_p): New function.
25921         (hash_table::expand): Use it.
25922         (hash_table::traverse): Likewise.
25923         (hash_table::empty_slot): Use sizeof (value_type) instead of
25924         sizeof (PTR) to convert bytes to elements.  Shrink the table
25925         if the current size is excessive for the current number of
25926         elements.
25927
25928 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25929
25930         * ira-costs.c (record_reg_classes): Break from the inner loop
25931         early once alt_fail is known to be true.  Update outer loop
25932         handling accordingly.
25933
25934 2017-01-13  Jeff Law  <law@redhat.com>
25935
25936         * tree-ssa-dse.c (decrement_count): New function.
25937         (increment_start_addr, maybe_trim_memstar_call): Likewise.
25938         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
25939         when we know the partially dead statement is a mem* function.
25940
25941         PR tree-optimization/61912
25942         PR tree-optimization/77485
25943         * tree-ssa-dse.c: Include expr.h.
25944         (maybe_trim_constructor_store): New function.
25945         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
25946
25947         PR tree-optimization/33562
25948         PR tree-optimization/61912
25949         PR tree-optimization/77485
25950         * doc/invoke.texi: Document new dse-max-object-size param.
25951         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
25952         * tree-ssa-dse.c: Include params.h.
25953         (dse_store_status): New enum.
25954         (initialize_ao_ref_for_dse): New, partially extracted from
25955         dse_optimize_stmt.
25956         (valid_ao_ref_for_dse, normalize_ref): New.
25957         (setup_live_bytes_from_ref, compute_trims): Likewise.
25958         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
25959         (maybe_trim_partially_dead_store): Likewise.
25960         (maybe_trim_complex_store): Likewise.
25961         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
25962         Track what bytes live from the original store.  Return tri-state
25963         for dead, partially dead or live.
25964         (dse_dom_walker): Add constructor, destructor and new private members.
25965         (delete_dead_call, delete_dead_assignment): New extracted from
25966         dse_optimize_stmt.
25967         (dse_optimize_stmt): Make a member of dse_dom_walker.
25968         Use initialize_ao_ref_for_dse.
25969
25970         PR tree-optimization/33562
25971         PR tree-optimization/61912
25972         PR tree-optimization/77485
25973         * sbitmap.h (bitmap_count_bits): Prototype.
25974         (bitmap_clear_range, bitmap_set_range): Likewise.
25975         * sbitmap.c (bitmap_clear_range): New function.
25976         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
25977
25978 2017-01-13  Martin Liska  <mliska@suse.cz>
25979
25980         PR ipa/79043
25981         * function.c (set_cfun): Add new argument force.
25982         * function.h (set_cfun): Likewise.
25983         * ipa-inline-transform.c (inline_call): Use the function when
25984         strict alising from is dropped for function we inline to.
25985
25986 2017-01-13  Richard Biener  <rguenther@suse.de>
25987
25988         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
25989         for dumping GIMPLE INTEGER_CSTs.
25990
25991 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25992
25993         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
25994         to 201112L since C++17.
25995
25996 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
25997
25998         PR sanitizer/78887
25999         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
26000         if -fsanitize=kernel-address is present.
26001
26002 2017-01-13  Richard Biener  <rguenther@suse.de>
26003
26004         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
26005         as _Literal ( type ) number in case usual suffixes do not
26006         preserve all information.
26007
26008 2017-01-13  Richard Biener  <rguenther@suse.de>
26009
26010         PR tree-optimization/77283
26011         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
26012         and ssa-iterators.h.
26013         (is_feasible_trace): Implement a cost model based on joiner
26014         PHI node uses.
26015
26016 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
26017
26018         PR target/79004
26019         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
26020         char or short to __float128/_Float128 directly.
26021
26022 2017-01-12  Martin Sebor  <msebor@redhat.com>
26023
26024         to -Wformat-overflow.
26025         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
26026         (min_bytes_remaining): Same.
26027         (get_string_length): Same.
26028         (format_string): Same.
26029         (format_directive): Same.
26030         (add_bytes): Same.
26031         (pass_sprintf_length::handle_gimple_call): Same.
26032
26033 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
26034
26035         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
26036         info.nowrite calls with no lhs that can't throw.  Return bool
26037         whether gsi_remove has been called or not.
26038         (pass_sprintf_length::handle_gimple_call): Return bool whether
26039         try_substitute_return_value called gsi_remove.  Formatting fix.
26040         (pass_sprintf_length::execute): Don't use gsi_remove if
26041         handle_gimple_call returned true.
26042
26043         PR bootstrap/79069
26044         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
26045         be removed due to side-effects, don't remove following barrier nor
26046         turn the successor edge into fallthru edge.
26047
26048 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
26049
26050         PR target/79044
26051         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
26052         element-reversing loads and stores as not swappable.
26053
26054 2017-01-12  Nathan Sidwell  <nathan@acm.org>
26055             Nicolai Stange  <nicstange@gmail.com>
26056
26057         * combine.c (try_combine): Don't ignore result of overlap checking
26058         loop.  Combine overlap & asm check into single loop.
26059
26060 2017-01-12  Richard Biener  <rguenther@suse.de>
26061
26062         * tree-pretty-print.c (dump_generic_node): Provide -gimple
26063         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
26064
26065 2017-01-12  Richard Biener  <rguenther@suse.de>
26066
26067         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
26068         and TS_TARGET_OPTION directly derive from TS_BASE.
26069         * tree-core.h (tree_optimization_option): Derive from tree_base.
26070         (tree_target_option): Likewise.
26071
26072 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
26073
26074         * config/i386/i386.c (memory_address_length): Increase len
26075         only when rip_relative_addr_p returns false.
26076
26077 2017-01-11  Julia Koval  <julia.koval@intel.com>
26078
26079         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
26080         (OPTION_MASK_ISA_SGX_SET): New.
26081         (ix86_handle_option): Handle OPT_msgx.
26082         * config.gcc: Added sgxintrin.h.
26083         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
26084         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
26085         * config/i386/i386.c (ix86_target_string): Add -msgx.
26086         (PTA_SGX): New.
26087         (ix86_option_override_internal): Handle new options.
26088         (ix86_valid_target_attribute_inner_p): Add sgx.
26089         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
26090         * config/i386/i386.opt: Add msgx.
26091         * config/i386/sgxintrin.h: New file.
26092         * config/i386/x86intrin.h: Add sgxintrin.h.
26093
26094 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
26095
26096         PR c++/71537
26097         * fold-const.c (maybe_nonzero_address): Return 1 for function
26098         local objects.
26099         (tree_single_nonzero_warnv_p): Don't handle function local objects
26100         here.
26101
26102         PR c++/72813
26103         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
26104         of c-header.
26105
26106 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
26107
26108         PR driver/78877
26109         * opts.c: Include "spellcheck.h"
26110         (struct string_fragment): New struct.
26111         (struct edit_distance_traits<const string_fragment &>): New
26112         struct.
26113         (get_closest_sanitizer_option): New function.
26114         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
26115
26116 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
26117
26118         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
26119         by 12.
26120         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
26121         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
26122         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
26123         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
26124         for initial die_offset if dwarf_split_debug_info.
26125         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
26126         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
26127         fields.
26128         (output_skeleton_debug_sections): Formatting fix.  Use
26129         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
26130         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
26131
26132 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
26133
26134         * config/arm/cortex-a53.md: Add bypasses for
26135         cortex_a53_r2f_cvt.
26136         (cortex_a53_r2f): Only use for transfers.
26137         (cortex_a53_f2r): Likewise.
26138         (cortex_a53_r2f_cvt): Add reservation for conversions.
26139         (cortex_a53_f2r_cvt): Likewise.
26140
26141 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
26142
26143         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
26144         to all inlined functions, change static to extern.
26145
26146 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
26147
26148         PR target/78253
26149         * config/arm/arm.c (legitimize_pic_address): Handle reference to
26150         weak symbol.
26151         (arm_assemble_integer): Likewise.
26152
26153 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
26154
26155         * config.gcc: Use new awk script to check CPU, FPU and architecture
26156         parameters for --with-... options.
26157         * config/arm/parsecpu.awk: New file
26158         * config/arm/arm-cpus.in: New file.
26159         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
26160         files.
26161         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
26162         files.
26163         * config/arm/t-arm: Update dependency rules.
26164         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
26165         of processing .def files.
26166         * config/arm/genopt.sh: Deleted.
26167         * config/arm/gentune.sh: Deleted.
26168         * config/arm/arm-cores.def: Deleted.
26169         * config/arm/arm-arches.def: Deleted.
26170         * config/arm/arm-fpus.def: Deleted.
26171         * config/arm/arm-tune.md: Regenerated.
26172         * config/arm/arm-tables.opt: Regenerated.
26173         * config/arm/arm-cpu.h: New generated file.
26174         * config/arm/arm-cpu-data.h: New generated file.
26175         * config/arm/arm-cpu-cdata.h: New generated file.
26176
26177 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
26178
26179         PR lto/79042
26180         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
26181         bit.
26182         (input_varpool_node): Unpack dynamically_initialized bit.
26183
26184 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
26185
26186         PR rtl-optimization/79032
26187         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
26188         the alignment of the adjusted memory reference against that of MODE,
26189         instead of the alignment of the original memory reference.
26190
26191 2017-01-11  Martin Jambor  <mjambor@suse.cz>
26192
26193         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
26194         test.
26195         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
26196         decorated functions.
26197
26198 2017-01-11  Richard Biener  <rguenther@suse.de>
26199
26200         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
26201         set range/nonnull info for PHI results.  Do not set it on
26202         stmts marked for removal.
26203
26204 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
26205
26206         * expr.c (store_field): In the bitfield case, fetch the return value
26207         from the registers before applying a single big-endian adjustment.
26208         Always do a final load for a BLKmode value not larger than a word.
26209
26210 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
26211
26212         PR c++/77949
26213         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
26214         that we correctly handle column numbers greater than
26215         LINE_MAP_MAX_COLUMN_NUMBER.
26216
26217 2017-01-10  Martin Sebor  <msebor@redhat.com>
26218
26219         PR middle-end/78245
26220         * gimple-ssa-sprintf.c (get_destination_size): Call
26221         {init,fini}object_sizes.
26222         * tree-object-size.c (addr_object_size): Adjust.
26223         (pass_through_call): Adjust.
26224         (pass_object_sizes::execute): Adjust.
26225         * tree-object-size.h (fini_object_sizes): Declare.
26226
26227 2017-01-10  Martin Sebor  <msebor@redhat.com>
26228
26229         PR tree-optimization/78775
26230         * builtins.c (get_size_range): Move...
26231         * calls.c: ...to here.
26232         (alloc_max_size): Accept zero argument.
26233         (operand_signed_p): Remove.
26234         (maybe_warn_alloc_args_overflow): Call get_size_range.
26235         * calls.h (get_size_range): Declare.
26236
26237 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
26238
26239         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
26240         from TI's devices.csv file as of September 2016.
26241         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
26242
26243 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
26244
26245         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
26246         * doc/invoke.texi: Likewise.
26247         * doc/md.texi: Likewise.
26248         * doc/objc.texi: Likewise.
26249
26250 2017-01-10  Joshua Conner  <joshconner@google.com>
26251
26252         * config/arm/fuchsia-elf.h: New file.
26253         * config/fuchsia.h: New file.
26254         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
26255         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
26256         targets.
26257         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
26258
26259 2016-01-10  Richard Biener  <rguenther@suse.de>
26260
26261         PR tree-optimization/79034
26262         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
26263         Propagate out degenerate PHIs in the joiner.
26264
26265 2017-01-10  Martin Liska  <mliska@suse.cz>
26266
26267         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
26268         (sort_congruence_classes_by_decl_uid): Likewise.
26269         (sort_congruence_class_groups_by_decl_uid): Likewise.
26270         (sem_item_optimizer::merge_classes): Sort class, groups in these
26271         classes and members in the groups by DECL_UID of declarations.
26272         This would make merge operations stable.
26273
26274 2017-01-10  Martin Liska  <mliska@suse.cz>
26275
26276         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
26277         usage of m_classes_vec.
26278         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
26279         (sem_item_optimizer::get_group_by_hash): Likewise.
26280         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
26281         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
26282         (sem_item_optimizer::verify_classes): Likewise.
26283         (sem_item_optimizer::process_cong_reduction): Likewise.
26284         (sem_item_optimizer::dump_cong_classes): Likewise.
26285         (sem_item_optimizer::merge_classes): Likewise.
26286         * ipa-icf.h (congruence_class_hash): Rename from
26287         congruence_class_group_hash.  Remove declaration of m_classes_vec.
26288
26289 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
26290
26291         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
26292         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
26293         * config.gcc: Add avx512vpopcntdqintrin.h.
26294         * config/i386/avx512vpopcntdqintrin.h: New.
26295         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
26296         * config/i386/i386-builtin-types.def: Add new types.
26297         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
26298         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
26299         __builtin_ia32_vpopcountq_v8di_mask): New.
26300         * config/i386/i386-c.c (ix86_target_macros_internal): Define
26301         __AVX512VPOPCNTDQ__.
26302         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
26303         (PTA_AVX512VPOPCNTDQ): Define.
26304         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
26305         TARGET_AVX512VPOPCNTDQ_P): Define.
26306         * config/i386/i386.opt: Add mavx512vpopcntdq.
26307         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
26308         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
26309
26310 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26311
26312         PR middle-end/77484
26313         * predict.def (PRED_CALL): Set to 67.
26314
26315 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
26316
26317         * expr.c (store_field): In the bitfield case, if the value comes from
26318         a function call and is of an aggregate type returned in registers, do
26319         not modify the field mode; extract the value in all cases if the mode
26320         is BLKmode and the size is not larger than a word.
26321
26322 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
26323
26324         PR target/71017
26325         * config/i386/cpuid.h: Fix undefined behavior.
26326
26327 2017-01-04  Jeff Law  <law@redhat.com>
26328
26329         PR tree-optimization/79007
26330         PR tree-optimization/67955
26331         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
26332         conservative for pt.null when flag_non_call_exceptions is on.
26333
26334 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
26335
26336         PR translation/79019
26337         PR translation/79020
26338         * params.def (PARAM_INLINE_MIN_SPEEDUP,
26339         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
26340         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
26341         in descriptions.
26342         * config/avr/avr.opt (maccumulate-args): Likewise.
26343         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
26344         * common.opt (freport-bug): Likewise.
26345         * cif-code.def (CIF_FINAL_ERROR): Likewise.
26346         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
26347         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
26348         translatable string.
26349         * config/i386/i386.c (function_value_32): Likewise.
26350         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
26351         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
26352         Likewise.
26353         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
26354         * common/config/msp430/msp430-common.c (msp430_handle_option):
26355         Likewise.
26356         * symtab.c (symtab_node::verify_base): Likewise.
26357         * opts.c (set_debug_level): Likewise.
26358         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
26359         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
26360         missing whitespace to translatable strings.
26361         * config/avr/avr.md (bswapsi2): Fix typo in comment.
26362         * config/sh/superh.h: Likewise.
26363         * config/i386/xopintrin.h: Likewise.
26364         * config/i386/znver1.md: Likewise.
26365         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
26366         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
26367         * double-int.h (struct double_int): Likewise.
26368         * double-int.c (div_and_round_double): Likewise.
26369         * wide-int.cc: Likewise.
26370         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
26371         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
26372         * cfgcleanup.c (crossjumps_occured): Renamed to ...
26373         (crossjumps_occurred): ... this.
26374         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
26375         Adjust all uses.
26376
26377         PR tree-optimization/78899
26378         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
26379         returning bool return struct loop *, NULL for failure and the new
26380         loop on success.
26381         (versionable_outer_loop_p): Don't version outer loop if it has
26382         dont_vectorized bit set.
26383         (tree_if_conversion): When versioning outer loop, ensure
26384         tree_if_conversion is performed also on the inner loop of the
26385         non-vectorizable outer loop copy.
26386         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
26387         LOOP_VECTORIZED in inner loop of the scalar outer loop and
26388         prevent vectorization of it.
26389         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
26390         the outer loop vectorization of the non-scalar version is attempted
26391         before vectorization of the inner loop in scalar version.  If
26392         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
26393         vectorization of its inner loop.
26394         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
26395         has 2 inner loops, rename also on edges from bb whose single pred
26396         is outer_loop->header.  Fix typo in function comment.
26397
26398 2017-01-09  Martin Sebor  <msebor@redhat.com>
26399
26400         PR bootstrap/79033
26401         * asan.c (asan_emit_stack_protection): Increase local buffer size
26402         to avoid snprintf truncation warning.
26403
26404 2017-01-09  Andrew Pinski  <apinski@cavium.com>
26405
26406         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
26407         to reference thunderx2t99 for the tuning structure
26408         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
26409         Rename to ...
26410         (thunderx2t99_extra_costs): This.
26411         * config/aarch64/aarch64-tune.md: Regenerate.
26412         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
26413         (vulcan_addrcost_table): This.
26414         (vulcan_regmove_cost): Rename to ...
26415         (thunderx2t99_regmove_cost): This.
26416         (vulcan_vector_cost): Rename to ...
26417         (thunderx2t99_vector_cost): this.
26418         (vulcan_branch_cost): Rename to ...
26419         (thunderx2t99_branch_cost): This.
26420         (vulcan_tunings): Rename to ...
26421         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
26422         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
26423
26424 2017-01-09  Martin Jambor  <mjambor@suse.cz>
26425
26426         PR ipa/78365
26427         PR ipa/78599
26428         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
26429         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
26430         (propagate_vr_accross_jump_function): Use the above function for all
26431         value range computations for pass-through jump functions and type
26432         converasion from explicit value range values.
26433         (ipcp_propagate_stage): Do not attempt to deduce types of formal
26434         parameters from TYPE_ARG_TYPES.
26435         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
26436         (ipa_write_node_info): Stream type of the actual argument.
26437         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
26438
26439 2017-01-09  Martin Liska  <mliska@suse.cz>
26440
26441         PR pch/78970
26442         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
26443         (lookup_compiler): Do not show error message with have_E.
26444
26445 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
26446
26447         PR tree-optimization/78938
26448         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
26449         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
26450         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
26451         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
26452         fixes.
26453
26454 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
26455
26456         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
26457         is const0_rtx.
26458
26459 2017-01-09  Richard Biener  <rguenther@suse.de>
26460
26461         PR tree-optimization/78997
26462         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
26463         name condition properly.
26464
26465 2017-01-09  Richard Biener  <rguenther@suse.de>
26466
26467         PR debug/79000
26468         * dwarf2out.c (is_cxx): New overload with context.
26469         (is_naming_typedef_decl): Use it.
26470
26471 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
26472
26473         * invoke.texi (Option Summary): Correct spacing in option lists
26474         and add line breaks to fix over-long lines.
26475
26476 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
26477
26478         PR middle-end/17660
26479
26480         * extend.texi (Common Variable Attributes): Add xref to GCC
26481         Internals manual to explain mode attribute keywords.
26482
26483 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
26484
26485         PR other/16519
26486         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
26487         and Preprocessor Options.
26488         (Options for Linking): Document -pthread here....
26489         (RS/6000 and PowerPC Options): ...not here.
26490         (Solaris 2 Options): ...or here.
26491         * doc/cppopts.texi: Document -pthread.
26492
26493 2017-01-08  Martin Sebor  <msebor@redhat.com>
26494
26495         PR middle-end/77708
26496         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
26497         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
26498         New member functions.
26499         (format_directive): Used them.
26500         (add_bytes): Same.
26501         (pass_sprintf_length::handle_gimple_call): Same.
26502         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
26503         to avoid truncation for any argument.
26504         (extract_affine_mul): Same.
26505         * tree.c (get_file_function_name): Same.
26506
26507 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26508
26509         PR middle-end/77484
26510         * predict.def (PRED_INDIR_CALL): Set to 86.
26511
26512 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
26513
26514         PR preprocessor/54124
26515         * doc/cppopts.texi: Reformat -d subtable to list the full name
26516         of the options.  Add cross-reference to the docs for the general
26517         compiler -d options.
26518         * doc/invoke.texi (Developer Options): Add cross-reference to the
26519         preprocessor-specific -d option documentation.
26520
26521 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
26522
26523         PR preprocessor/13498
26524         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
26525         redudant material, and reflect new command-line options.
26526         (System Headers): Likewise.
26527
26528 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
26529
26530         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
26531         -isystem, and -idirafter.  Copy-edit.
26532         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
26533         default for -ftrack-macro-expansion.  Delete obsolete and
26534         badly-formatted implementation details about -fdebug-cpp output.
26535         * doc/cppwarnopts.texi: Copy-edit.
26536
26537 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
26538
26539         PR c++/72803
26540         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
26541         that the transition from a max line width >= 1<<10 to narrower
26542         lines works correctly.
26543
26544 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
26545
26546         * doc/options.texi (PerFunction): New.
26547         * opt-functions.awk (switch_flags): Map both Optimization and
26548         PerFunction to CL_OPTIMIZATION.
26549         * opth-gen.awk: Test for PerFunction flag along with
26550         Optimization.
26551         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
26552         it only when the latter is present.  Skip those that don't in
26553         the hash function generator.
26554         * common.opt (fvar-tracking): Mark as PerFunction instead of
26555         Optimization.
26556         (fvar-tracking-assignments): Likewise.
26557         (fvar-tracking-assignments-toggle): Likewise.
26558         (fvar-tracking-uninit): Likewise.
26559
26560 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
26561
26562         PR translation/79018
26563         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
26564         the and store.
26565
26566 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
26567
26568         PR target/57583
26569         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
26570         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
26571         TARGET_LONG_JUMP_TABLE_OFFSETS.
26572         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
26573         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
26574         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
26575         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
26576         * config/m68k/m68k.md (tablejump expander): Likewise.
26577         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
26578         TARGET_LONG_JUMP_TABLE_OFFSETS.
26579         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
26580         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
26581
26582 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
26583             David Holsgrove <david.holsgrove@xilinx.com>
26584
26585         * common/config/microblaze/microblaze-common.c
26586         (TARGET_EXCEPT_UNWIND_INFO): Remove.
26587         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
26588         New prototype.
26589         * config/microblaze/microblaze.c (microblaze_must_save_register)
26590         (microblaze_expand_epilogue, microblaze_return_addr): Handle
26591         calls_eh_return.
26592         (microblaze_eh_return): New function.
26593         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
26594         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
26595         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
26596         * config/microblaze/microblaze.md (eh_return): New pattern.
26597
26598 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
26599
26600         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
26601         GCC_DIAGNOSTIC_STRINGIFY): Define.
26602
26603         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
26604
26605 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26606
26607         * config/arm/arm.md (<mcrr>): New.
26608         (<mrrc>): New.
26609         * config/arm/arm.c (arm_arch5te): New.
26610         (arm_option_override): Set arm_arch5te.
26611         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
26612         and mrrc2.
26613         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
26614         (arm_mcrr_qualifiers): ... this. New.
26615         (MRRC_QUALIFIERS): Define to...
26616         (arm_mrrc_qualifiers): ... this. New.
26617         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
26618         __arm_mrrc2): New.
26619         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
26620         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
26621         (MRRCI, mrrc, MRRC): New.
26622         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
26623         VUNSPEC_MRRC2): New.
26624
26625 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26626
26627         * config/arm/arm.md (<mcr>): New.
26628         (<mrc>): New.
26629         * config/arm/arm.c (arm_coproc_builtin_available): Add
26630         support for mcr, mrc, mcr2 and mrc2.
26631         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
26632         (arm_mcr_qualifiers): ... this. New.
26633         (MRC_QUALIFIERS): Define to ...
26634         (arm_mrc_qualifiers): ... this. New.
26635         (MCR_QUALIFIERS): Define to ...
26636         (arm_mcr_qualifiers): ... this. New.
26637         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
26638         __arm_mrc2): New.
26639         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
26640         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
26641         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
26642         VUNSPEC_MRC2): New.
26643
26644 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26645
26646         * config/arm/arm.md (*ldc): New.
26647         (*stc): New.
26648         (<ldc>): New.
26649         (<stc>): New.
26650         * config/arm/arm.c (arm_coproc_builtin_available): Add
26651         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
26652         (arm_coproc_ldc_stc_legitimate_address): New.
26653         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
26654         'qualifier_const_pointer'.
26655         (LDC_QUALIFIERS): Define to...
26656         (arm_ldc_qualifiers): ... this. New.
26657         (STC_QUALIFIERS): Define to...
26658         (arm_stc_qualifiers): ... this. New.
26659         * config/arm/arm-protos.h
26660         (arm_coproc_ldc_stc_legitimate_address): New.
26661         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
26662         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
26663         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
26664         stc2, stcl, stc2l): New.
26665         * config/arm/constraints.md (Uz): New.
26666         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
26667         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
26668         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
26669         VUNSPEC_STC2L): New.
26670
26671 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26672
26673         * config/arm/arm.md (<cdp>): New.
26674         * config/arm/arm.c (neon_const_bounds): Rename this ...
26675         (arm_const_bounds): ... this.
26676         (arm_coproc_builtin_available): New.
26677         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
26678         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
26679         (CDP_QUALIFIERS): Define to...
26680         (arm_cdp_qualifiers): ... this. New.
26681         (void_UP): Define.
26682         (arm_expand_builtin_args): Add case for 6 arguments.
26683         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
26684         (arm_const_bounds): ... this.
26685         (arm_coproc_builtin_available): New.
26686         * config/arm/arm_acle.h (__arm_cdp): New.
26687         (__arm_cdp2): New.
26688         * config/arm/arm_acle_builtins.def (cdp): New.
26689         (cdp2): New.
26690         * config/arm/iterators.md (CDPI,CDP,cdp): New.
26691         * config/arm/neon.md: Rename all 'neon_const_bounds' to
26692         'arm_const_bounds'.
26693         * config/arm/types.md (coproc): New.
26694         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
26695         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
26696         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
26697         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
26698
26699 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26700
26701         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
26702         (UBINOP_QUALIFIERS): New.
26703         (si_UP): Define.
26704         (acle_builtin_data): New. Change comment.
26705         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
26706         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
26707         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
26708         arm_acle_builtins.def.
26709         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
26710         (arm_init_acle_builtins): New.
26711         (CRC32_BUILTIN): Remove.
26712         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
26713         crc32cb, crc32ch and crc32cw.
26714         (arm_init_crc32_builtins): Remove.
26715         (arm_init_builtins): Use arm_init_acle_builtins rather
26716         than arm_init_crc32_builtins.
26717         (arm_expand_acle_builtin): New.
26718         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
26719         * config/arm/arm_acle_builtins.def: New.
26720
26721 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26722
26723         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
26724         (arm_builtin_datum): ... this.
26725         (arm_init_neon_builtin): Rename to ...
26726         (arm_init_builtin): ... this. Add a new parameters PREFIX
26727         and USE_SIG_IN_NAME.
26728         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
26729         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
26730         'arm_builtin_datum'.
26731         (arm_init_vfp_builtins): Likewise.
26732         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
26733         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
26734         (arm_expand_neon_args): Rename to ...
26735         (arm_expand_builtin_args): ... this. Rename builtin_arg
26736         enum values and differentiate between ARG_BUILTIN_MEMORY
26737         and ARG_BUILTIN_NEON_MEMORY.
26738         (arm_expand_neon_builtin_1): Rename to ...
26739         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
26740         values, arm_expand_builtin_args and add bool parameter NEON.
26741         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
26742         (arm_expand_vfp_builtin): Likewise.
26743         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
26744
26745 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26746
26747         PR middle-end/77484
26748         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
26749         * predict.c (tree_estimate_probability_bb): Reverse direction of
26750         polymorphic call predictor.
26751
26752 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
26753
26754         * passes.c (execute_one_pass): Split out pass-skipping logic into...
26755         (determine_pass_name_match): ...this new function and...
26756         (should_skip_pass_p): ...this new function.
26757
26758 2017-01-06  Nathan Sidwell  <nathan@acm.org>
26759
26760         * ipa-visibility.c (function_and_variable_visibility): Reformat
26761         comments and long lines.  Remove extrneous if.
26762         * symtab.c (symtab_node::make_decl_local): Fix code format.
26763         (symtab_node::set_section_for_node): Fix comment typo.
26764
26765 2017-01-06  Martin Liska  <mliska@suse.cz>
26766
26767         PR bootstrap/79003
26768         * lra-constraints.c: Rename invariant to lra_invariant.
26769         * predict.c (set_even_probabilities): Initialize e to NULL.
26770
26771 2017-01-05  Martin Sebor  <msebor@redhat.com>
26772
26773         PR tree-optimization/78910
26774         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
26775         (format_integer): Correct off-by-one error in the handling
26776         of precision with negative numbers in signed conversions..
26777
26778 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
26779
26780         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
26781
26782 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
26783
26784         PR tree-optimization/71016
26785         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
26786         factor_out_conditional_conversion.  Formatting fix.
26787         (factor_out_conditional_conversion): Add cond_stmt argument.
26788         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
26789         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
26790         Formatting fix.
26791
26792 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
26793
26794         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
26795         read-rtl-function.o, and selftest-rtl.o.
26796         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
26797         (selftest::aarch64_test_loading_full_dump): New function.
26798         (selftest::aarch64_run_selftests): New function.
26799         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
26800         selftest::aarch64_run_selftests.
26801         * config/i386/i386.c
26802         (selftest::ix86_test_loading_dump_fragment_1): New function.
26803         (selftest::ix86_test_loading_call_insn): New function.
26804         (selftest::ix86_test_loading_full_dump): New function.
26805         (selftest::ix86_test_loading_unspec): New function.
26806         (selftest::ix86_run_selftests): Call the new functions.
26807         * emit-rtl.c (maybe_set_max_label_num): New function.
26808         * emit-rtl.h (maybe_set_max_label_num): New decl.
26809         * function.c (instantiate_decls): Guard call to
26810         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
26811         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
26812         "static".
26813         * gensupport.c (gen_reader::gen_reader): Pass "false"
26814         for new "compact" param of rtx_reader.
26815         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
26816         rather than an empty string for NULL strings.
26817         * read-md.c: Potentially include config.h rather than bconfig.h.
26818         Wrap include of errors.h with #ifdef GENERATOR_FILE.
26819         (have_error): New global, copied from errors.c.
26820         (md_reader::read_name): Rename to...
26821         (md_reader::read_name_1): ...this, adding "out_loc" param,
26822         and converting "missing name or number" to returning false, rather
26823         than failing.
26824         (md_reader::read_name): Reimplement in terms of read_name_1.
26825         (md_reader::read_name_or_nil): New function.
26826         (md_reader::read_string): Handle "(nil)" by returning NULL.
26827         (md_reader::md_reader): Add new param "compact".
26828         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
26829         (md_reader::read_file): New method.
26830         * read-md.h (md_reader::md_reader): Add new param "compact".
26831         (md_reader::read_file): New method.
26832         (md_reader::is_compact): New accessor.
26833         (md_reader::read_name): Convert return type from void to file_location.
26834         (md_reader::read_name_or_nil): New decl.
26835         (md_reader::read_name_1): New decl.
26836         (md_reader::m_compact): New field.
26837         (noop_reader::noop_reader): Pass "false" for new "compact" param
26838         of rtx_reader.
26839         (rtx_reader::rtx_reader): Add new "compact" param.
26840         (rtx_reader::read_rtx_operand): Make virtual and convert return
26841         type from void to rtx.
26842         (rtx_reader::read_until): New decl.
26843         (rtx_reader::handle_any_trailing_information): New virtual function.
26844         (rtx_reader::postprocess): New virtual function.
26845         (rtx_reader::finalize_string): New virtual function.
26846         (rtx_reader::m_in_call_function_usage): New field.
26847         (rtx_reader::m_reuse_rtx_by_id): New field.
26848         * read-rtl-function.c: New file.
26849         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
26850         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
26851         (selftest::verify_three_block_rtl_cfg): New decl.
26852         * read-rtl-function.h: New file.
26853         * read-rtl.c: Potentially include config.h rather than bconfig.h.
26854         For host, include function.h, memmodel.h, and emit-rtl.h.
26855         (one_time_initialization): New function.
26856         (struct compact_insn_name): New struct.
26857         (compact_insn_names): New array.
26858         (find_code): Handle insn codes in compact dumps.
26859         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
26860         (bind_subst_iter_and_attr): Likewise.
26861         (add_condition_to_string): Likewise.
26862         (add_condition_to_rtx): Likewise.
26863         (apply_attribute_uses): Likewise.
26864         (add_current_iterators): Likewise.
26865         (apply_iterators): Likewise.
26866         (initialize_iterators): Guard usage of apply_subst_iterator with
26867         #ifdef GENERATOR_FILE.
26868         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
26869         (md_reader::read_mapping): Likewise.
26870         (add_define_attr_for_define_subst): Likewise.
26871         (add_define_subst_attr): Likewise.
26872         (read_subst_mapping): Likewise.
26873         (check_code_iterator): Likewise.
26874         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
26875         logic to...
26876         (one_time_initialization): New function.
26877         (rtx_reader::read_until): New method.
26878         (read_flags): New function.
26879         (parse_reg_note_name): New function.
26880         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
26881         Handle reuse_rtx ids.
26882         Wrap iterator lookup within #ifdef GENERATOR_FILE.
26883         Add parsing support for RTL dumps, mirroring the special-cases in
26884         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
26885         values, and calling handle_any_trailing_information.
26886         (rtx_reader::read_rtx_operand): Convert return type from void
26887         to rtx, returning return_rtx.  Handle case 'e'.  Call
26888         finalize_string on XSTR and XTMPL fields.
26889         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
26890          "(nil)" values were omitted.  Call the postprocess vfunc on the
26891         return_rtx.
26892         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
26893         class ctor.  Initialize m_in_call_function_usage.  Call
26894         one_time_initialization.
26895         * rtl-tests.c (selftest::test_uncond_jump): Call
26896         set_new_first_and_last_insn.
26897         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
26898         * selftest-rtl.c: New file.
26899         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
26900         (selftest::get_insn_by_uid): New decl.
26901         * selftest-run-tests.c (selftest::run_tests): Call
26902         read_rtl_function_c_tests.
26903         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
26904         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
26905         dumps.
26906
26907 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
26908
26909         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
26910         operands in a special way.  Assert that pos+len <= mode precision.
26911
26912 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
26913
26914         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
26915         3 argument Alias with unlimited for the negative form.
26916         (fno-vect-cost-model): Removed.
26917
26918 2017-01-05  Martin Liska  <mliska@suse.cz>
26919
26920         * hsa-gen.c (gen_hsa_divmod): New function.
26921         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
26922
26923 2017-01-05  Martin Liska  <mliska@suse.cz>
26924
26925         PR pch/78970
26926         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
26927         header.
26928
26929 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26930
26931         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
26932         small constant length operands.
26933
26934 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26935
26936         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
26937         between loop iterations.
26938
26939 2017-01-05  Martin Liska  <mliska@suse.cz>
26940
26941         PR sanitizer/78815
26942         * gimplify.c (gimplify_decl_expr): Compare to
26943         asan_poisoned_variables instread of checking flags.
26944         (gimplify_target_expr): Likewise.
26945         (gimplify_expr): Likewise.
26946         (gimplify_function_tree): Conditionally initialize
26947         asan_poisoned_variables.
26948
26949 2017-01-04  Jeff Law  <law@redhat.com>
26950
26951         PR tree-optimizatin/78812
26952         * rtl.h (contains_mem_rtx_p): Prototype.
26953         * ifcvt.c (containts_mem_rtx_p): Move from here to...
26954         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
26955         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
26956         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
26957         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
26958
26959 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26960
26961         * input.c (assert_char_at_range): Default-initialize actual_range.
26962
26963 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26964
26965         * df-scan.c (df_ref_create_structure): Make regno unsigned,
26966         to match the caller.
26967
26968 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26969
26970         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
26971         insns after final jump in test to emit dummy move.
26972
26973 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26974
26975         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
26976         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
26977
26978 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26979
26980         * multiple_target.c (create_dispatcher_calls): Init e_next.
26981         * tree-ssa-loop-split.c (split_loop): Init border.
26982         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
26983         scalar_type.
26984
26985 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
26986
26987         PR target/71977
26988         PR target/70568
26989         PR target/78823
26990         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
26991         (altivec_register_operand): Do not return true if the operand
26992         contains a SUBREG mixing SImode and SFmode.
26993         (vsx_register_operand): Likewise.
26994         (vsx_reg_sfsubreg_ok): New predicate.
26995         (vfloat_operand): Do not return true if the operand contains a
26996         SUBREG mixing SImode and SFmode.
26997         (vint_operand): Likewise.
26998         (vlogical_operand): Likewise.
26999         (gpc_reg_operand): Likewise.
27000         (int_reg_operand): Likewise.
27001         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
27002         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
27003         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
27004         SImode and SFmode.
27005         (rs6000_emit_move_si_sf_subreg): New helper function.
27006         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
27007         fixup SUBREGs involving SImode and SFmode.
27008         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
27009         numbers for the new peephole2 optimization.
27010         (peephole2 for SFmode unions): New peephole2 to optimize cases in
27011         the GLIBC math library that do AND/IOR/XOR operations on single
27012         precision floating point.
27013         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
27014         target macros to say whether we need to avoid SUBREGs mixing
27015         SImode and SFmode.
27016         (TARGET_ALLOW_SF_SUBREG): Likewise.
27017         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
27018         (UNSPEC_SI_FROM_SF): Likewise.
27019         (iorxor): Change spacing.
27020         (and_ior_xor): New iterator for AND, IOR, and XOR.
27021         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
27022         (movdi_from_sf_zero_ext): Likewise.
27023         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
27024         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
27025         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
27026         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
27027         (fms<mode>4): Likewise.
27028         (fnma<mode>4): Likewise.
27029         (fnms<mode>4): Likewise.
27030         (nfma<mode>4): Likewise.
27031         (nfms<mode>4): Likewise.
27032
27033 2017-01-04  Marek Polacek  <polacek@redhat.com>
27034
27035         PR c++/64767
27036         * doc/invoke.texi: Document -Wpointer-compare.
27037
27038 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
27039
27040         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
27041         RejectNegative.
27042
27043         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
27044         descriptions for -gdwarf-5 and emit them as uleb128 instead of
27045         2-byte data.
27046
27047 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
27048
27049         PR target/78056
27050         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
27051         documentation of the powerpc_popcntb_ok attribute.
27052         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
27053         code to issue warning messages if a requested CPU configuration is
27054         not supported by the binary (assembler and loader) toolchain.
27055         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
27056         made to define a built-in function that has been disabled.
27057         (paired_init_builtins): Add assertion to prevent ICE if attempt is
27058         made to define a built-in function that has been disabled.
27059         (altivec_init_builtins): Add comment explaining why definition
27060         of the DST built-in functions is not preceded by an assertion
27061         check.  Add assertions to prevent ICE if attempts are made to
27062         define an altivec predicate or an abs* built-in function that has
27063         been disabled.
27064         (htm_init_builtins): Add comment explaining why definition of the
27065         htm built-in functions is not preceded by an assertion check.
27066
27067 2017-01-04  Jeff Law  <law@redhat.com>
27068
27069         PR tree-optimizatin/67955
27070         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
27071         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
27072         the points-to solution does not include pt_null.  Use DECL_PT_UID
27073         unconditionally.
27074
27075 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
27076
27077         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
27078         Use gen_int_mode instead of gen_lopwart for const_int operands.
27079
27080 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
27081
27082         PR tree-optimization/71563
27083         * match.pd: Simplify X << Y into X if Y is known to be 0 or
27084         out of range value - has low bits known to be zero.
27085
27086 2017-01-04  Alan Modra  <amodra@gmail.com>
27087
27088         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
27089         * configure: Regenerate.
27090         * config.in: Regenerate.
27091
27092 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
27093
27094         PR bootstrap/77569
27095         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
27096         a substring of the message, but strcmp with the whole message.  Ifdef
27097         ENABLE_NLS, translate the message first using dgettext.
27098
27099 2017-01-03  Jeff Law  <law@redhat.com>
27100
27101         PR tree-optimizatin/78856
27102         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
27103         (mark_threaded_blocks): Remove code to truncate thread paths that
27104         cross multiple loop headers.  Instead invalidate the cached loop
27105         iteration information and handle case of a thread path walking
27106         into an irreducible region.
27107
27108 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
27109
27110         PR target/78900
27111         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
27112         assertions.  Add support for doing the signbit if the IEEE 128-bit
27113         floating point value is in a GPR.
27114         * config/rs6000/rs6000.md (Fsignbit): Delete.
27115         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
27116         Update the length attribute if the value is in a GPR.
27117         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
27118         the sign or zero extension instruction, since the value is always 0/1.
27119         (signbit<mode>2_dm2): Delete using <Fsignbit>.
27120
27121         PR target/78953
27122         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
27123         extracting SImode to a GPR register so that we can generate a
27124         store, limit the vector to be in a traditional Altivec register
27125         for the vextuwrx instruction.
27126
27127 2017-01-03  Ian Lance Taylor  <iant@google.com>
27128
27129         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
27130
27131 2017-01-03  Martin Sebor  <msebor@redhat.com>
27132
27133         PR tree-optimization/78696
27134         * gimple-ssa-sprintf.c (format_floating): Correct handling of
27135         precision.  Use MPFR for %f for greater fidelity.  Correct handling
27136         of %g.
27137         (pass_sprintf_length::compute_format_length): Set width and precision
27138         specified by asrerisk to void_node for vararg functions.
27139         (try_substitute_return_value): Adjust dump output.
27140
27141 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
27142
27143         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
27144
27145 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
27146
27147         * doc/invoke.texi (SPARC options): Document -mlra as the default.
27148         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
27149         -mlra/-mno-lra was passed to the compiler.
27150
27151 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
27152
27153         PR rtl-optimization/65618
27154         * emit-rtl.c (try_split): Move initialization of "before" and
27155         "after" to just before the call to emit_insn_after_setloc.
27156
27157 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
27158
27159         * doc/md.texi (Standard Names): Remove reference to Java frontend.
27160
27161 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
27162
27163         * dwarf2out.c (gen_enumeration_type_die): When
27164         -gno-strict-dwarf, add a DW_AT_encoding attribute.
27165
27166 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
27167
27168         PR tree-optimization/78965
27169         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
27170         Change first argument from const call_info & to call_info &.  For %n
27171         set info.nowrite to false.
27172
27173         PR middle-end/78901
27174         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
27175         possibly throwing calls.
27176
27177         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
27178         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
27179         and fns handling, rather than in a separate case SSA_NAME.
27180
27181 2017-01-02  Jeff Law  <law@redhat.com>
27182
27183         * config/darwin-driver.c (darwin_driver_init): Const-correctness
27184         fixes for first_period and second_period variables.
27185
27186 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
27187
27188         PR target/78967
27189         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
27190         (*insvqi_1): New insn pattern.
27191         (*insvqi_1_mem_rex64): Ditto.
27192         (*insvqi_2): Ditto.
27193         (*insvqi_3): Rename from *insvqi.
27194
27195         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
27196
27197 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
27198
27199         * doc/cfg.texi (Edges): Remove reference to Java.
27200         (Maintaining the CFG): Ditto.
27201
27202 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
27203
27204         PR middle-end/77674
27205         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
27206         transparent aliases.
27207
27208 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
27209
27210         PR middle-end/77484
27211         * predict.def (PRED_CALL): Update hitrate.
27212         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
27213         * predict.c (tree_estimate_probability_bb): Split CALL predictor
27214         into direct/indirect/polymorphic variants.
27215
27216 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
27217
27218         Update copyright years.
27219
27220         * gcc.c (process_command): Update copyright notice dates.
27221         * gcov-dump.c (print_version): Ditto.
27222         * gcov.c (print_version): Ditto.
27223         * gcov-tool.c (print_version): Ditto.
27224         * gengtype.c (create_file): Ditto.
27225         * doc/cpp.texi: Bump @copying's copyright year.
27226         * doc/cppinternals.texi: Ditto.
27227         * doc/gcc.texi: Ditto.
27228         * doc/gccint.texi: Ditto.
27229         * doc/gcov.texi: Ditto.
27230         * doc/install.texi: Ditto.
27231         * doc/invoke.texi: Ditto.
27232 \f
27233 Copyright (C) 2017 Free Software Foundation, Inc.
27234
27235 Copying and distribution of this file, with or without modification,
27236 are permitted in any medium without royalty provided the copyright
27237 notice and this notice are preserved.